污水净化处理器

Cu-containing low-alloy high-strength steel with yield strength of 1000 MPa and manufacturing method thereof

The invention relates to Cu-containing low-alloy high-strength steel with the yield strength of 1000 MPa. The steel comprises the following chemical components in percentage by weight: 0.015%-0.045% of C, 0.82%-0.92% of Si, 0.35%-0.55% of Mn, less than or equal to 0.010% of P, less than or equal to 0.005% of S, 0.70%-0.85% of Cr, 2.00%-2.30% of Ni, 1.95%-2.25% of Cu, 0.100%-0.175% of Zr, 0.15%-0.29% of Mo, 0.155%-0.55% of Alt and the balance of Fe. And the balance Fe and impurities. Through the synergistic effect of Cu, Al, Mn, Ni, Si, Mo, Zr and other elements, the technology of off-line quenching and high-temperature tempering is adopted, Cu-containing nano metastable phase dispersion precipitation and Zr and/or Mo carbide precipitation precipitation are formed, and solid solution strengthening is matched, so that the produced steel plate has high strength, excellent low-temperature toughness and good welding performance and cold forming performance.

ELECTRONIC DETONATOR PRODUCTION LINE

An electronic detonator production line, comprising a conveying belt (1) and a conveying jig (2) driven by the conveying belt (1), and further comprising an automatic wire winding and bundling device (3), a peeling and separated wire shaping device (4), an injection molding device (5), an inner skin peeling device (6), a welding device (7), a base tube feeding and bayonet device (8), and a finished product taking device (9) which are arranged along one side of the conveying belt (1) in sequence. A junction box lower cover assembling device (11) and a junction box upper cover assembling device (12) are provided on the other side of the conveying belt (1) in sequence, and the junction box lower cover assembling device (11) and the junction box upper cover assembling device (12) are both located between the peeling and separated wire shaping device (4) and the finished product taking device (9). Compared with an electronic detonator production line in the prior art, the electronic detonator ...

颈部按摩仪

BONE CONDUCTION APPARATUS

A bone conduction apparatus (100), comprising a basket (10), a vibration system, and a magnetic circuit system (30). The vibration system comprises a vibration assembly (20), and a voice coil (50) arranged at the side of the vibration assembly (20) near the magnetic circuit system (30). The magnetic circuit system (30) comprises a lower clamp plate (31) and a magnetic circuit assembly which forms a magnetic gap (34). The bone conduction apparatus (100) also comprises damping members (40) which connect the basket (10) and the lower clamp plate (31), and provide a counteracting force along the direction opposite the vibration direction of the vibration assembly (20) when the vibration assembly (20) vibrates. The damping members (40) connect the lower clamp plate (31) and the basket (10), and the damping members (40), which have damping characteristics, are used to provide the counteracting force along the direction opposite the vibration direction of the vibration assembly (20) when the vibration ...

Marine fuel oil sulfur content detection method

The invention discloses a method for detecting the sulfur content of marine fuel oil. The method comprises the following steps: S1, calculating and setting the sulfur/carbon element mass ratio upper limit value of fuel oil with different sulfur contents; s2, measuring the exhaust pollutant concentration of the ship engine to obtain an exhaust pollutant concentration average value in a measurement period; s3, calculating a sulfur/carbon element mass ratio based on the average value of the exhaust pollutant concentration; and S4, comparing the sulfur/carbon element mass ratio calculated in the step S3 with the upper limit value of the sulfur/carbon element mass ratio in the step S1, and judging whether the sulfur content of the fuel oil meets the standard or not. According to the method, the calculated value of the sulfur/carbon element mass ratio of the exhaust pollutants is compared with the upper limit value of the sulfur/carbon element mass ratio of the fuel oil with the standard specified ...

PROTECTION SYSTEM AND METHOD BASED ON THE PASSIVE OPTICAL NETWORK

A protection system and a method based on the passive optical network are provided by this invention, the system includes: a setting module, for setting the standby fiber and standby optical port; a protection server, for receiving the fault message from the fiber link terminal, and transmitting the control message based on the fault message, wherein the fault message indicating the failed fiber and/or the failed optical port, the control message indicating that the failed fiber and/or the failed optical port will be switched to the standby fiber and/or the standby optical port; the protection device, for receiving the control message from the protection server, and implementing the switching according to the control message. The problem of resource waste which is caused by the protection mechanism of the optical access system is solved through this invention, so the efficiency of usage of the optical network device is improved.

Broadband photoacoustic spectrum measurement system and method based on single optical comb

The invention discloses a broadband photoacoustic spectrum measurement system and method based on a single optical comb. The system comprises an optical frequency comb light source, a broadband audio frequency modulation module, a photoacoustic detection unit and a data acquisition and processing module, the optical frequency comb light source is used for outputting broadband detection optical signals; the broadband audio frequency modulation module performs intensity modulation of different acoustic frequencies on each discrete optical frequency carrier wave in the broadband detection light signal through an optical fiber laser phase difference scanning interference mechanism to generate broadband modulation detection light; the photoacoustic detection unit is used for generating acoustic vibration corresponding to the modulation frequency of the optical frequency carrier absorbed by the to-be-detected sample through the interaction between the broadband modulation detection light and ...

Animal specimen cryopreservation box

The invention discloses an animal specimen cryopreservation box, and relates to the technical field of specimen preservation, the animal specimen cryopreservation box comprises a storage box, and is characterized by further comprising a cold air pump arranged in the storage box, the air outlet end of the cold air pump is fixedly connected with an air pipe, and one end of the air pipe is fixedly connected with a fixing rod; the cold storage mechanism is arranged on one side of the fixing rod and comprises a storage barrel fixedly arranged at the end of the fixing rod, a flow guide assembly is arranged between the storage barrel and the air pipe, a valve assembly is arranged on the flow guide assembly, a limiting block is fixedly connected to the inner bottom of the storage barrel, and a fixing barrel fixedly penetrates through the side wall, on one side of the limiting block, of the storage barrel; a valve assembly is arranged at the end of the fixing cylinder, a backflow assembly is arranged ...

STRIPPING AND WIRE-SEPARATING SHAPING MACHINE

A stripping and wire-separating shaping machine, comprising a rack (1), a first driving member (2), a first support member (3) and a cutter assembly; the first driving member (2) is mounted on the rack (1) and drives the first support member (3) in an X-axis direction, the cutter assembly is provided on the first support member (3), and the cutter assembly comprises an upper cutter mechanism (4) and a lower cutter mechanism (5) fitting with each other; said machine further comprises a wire-separating assembly (6) provided on the cutter assembly, the rack (1) or the first support member (3), the wire-separating assembly (6) comprising a second driving member (61), an ejector pin assembly (62) and a third driving member (63); and the second driving member (61) drives the ejector pin assembly (62) in a Z-axis direction, the third driving member (63) drives the ejector pin assembly (62) in the X-axis direction, and the ejector pin assembly (62) is provided close to a cutter edge of the cutter ...

CARD READER

A card reader comprises: a substrate (301); a first interface (302), disposed on the substrate (301) and used for accessing at least two power supply links; and a power supply load sharing module (303), disposed on the substrate (301), electrically connected to the first interface (302), and used for adjusting power supply voltages of the at least two power supply links to equal voltages, and simultaneously supplying power supply currents of the at least two power supply links to next loads. The card reader is to resolve the problem of interface current reversal caused by inconsistency of voltages of two USB interfaces when the two USB interfaces simultaneously supply power, and to resolve the problem of failure to improve the power supply efficiency in simultaneous power supply of the two USB interfaces because only USB interface can supply a current in a same time.

ELASTIC ADJUSTABLE BRAKE PAD FOR USE IN TRAIN

An elastic adjustable brake pad for use in a train, comprising a brake pad frame (1) provided with a fourth through hole (18), a brake block assembly, and a spiral compression spring (6); the brake block assembly comprises a brake block (16), a rivet (4), a belleville spring (5), and a rivet sleeve (3), the brake block (16) comprising a friction block (10) and a static sheet steel back (7) fixedly mounted together, the rivet (4) passing through the brake block (16) and being sleeved in turn by the belleville spring (5) and the rivet sleeve (3); the fourth through hole (18) is a stepped counterbore, and the rivet (4) in the brake block (16) penetrates the fourth through hole (18) and extends outward therefrom, the spiral compression spring (6) being sleeved over the outside of the rivet sleeve (3), and the outer side of one end of the rivet sleeve (3) being provided with a clamping groove clamped to an elastic retainer ring (2), one end of the spiral compression spring (6) abutting a step ...

6-OXO-1,6-DIHYDROPYRIDAZINE PRODRUG DERIVATIVE, PREPARATION METHOD THEREFOR, AND APPLICATION THEREOF IN MEDICINE

Specifically, the present invention relates to the 6-oxo-1,6-dihydropyridazine prodrug derivative shown in general formula (I), a preparation method therefor, a pharmaceutical composition containing the derivative, a use thereof as a NaV inhibitor, and a use thereof in the preparation of a drug for the treatment and/or prevention of pain and pain-related diseases.

CONTENT ACCESS METHOD, WIRELESS ACCESS NETWORK CONTENT DISTRIBUTION NETWORK BASE STATION AND CORE CONTENT DISTRIBUTION NETWORK APPARATUS

Provided are a content access method, a wireless access network content distribution network base station and a core content distribution network apparatus. The content access method comprises: receiving a hypertext transfer protocol request from a user equipment by means of a transfer control protocol connection with the user equipment; based on the hypertext transfer protocol request, judging whether a wireless access network content distribution network base station stores a content corresponding to the hypertext transfer protocol request; and based on the content corresponding to the hypertext transfer protocol request stored in a first wireless access network content distribution network base station, sending the content to the user equipment via the transfer control protocol connection. Thus, the embodiments of the present invention do not need to send a request from a user equipment to a core content distribution network apparatus, such that deployment of a cache token server device ...

DATA CONVERSION APPARATUS, CHIP, METHOD AND DEVICE, AND IMAGE SYSTEM

Provided are a data conversion apparatus, chip, method and device, and an image system. The data conversion apparatus comprises a data processing device. The data processing device comprises a first interface and a second interface. The first interface is used to connect to an external host so as to transmit data in a first format in both directions with the external host. The second interface is used to connect to an NVME solid state disk. Upon receiving a write instruction from the external host, the data processing device converts data in the first format into data in an NVME protocol format, and transmits the same to the NVME solid state disk. Upon receiving a read instruction from the external host, the data processing device converts data in the NVME protocol format in the NVME solid state disk into data in the first format, and transmits the same to the external host.

IMAGE SIGNAL COMPENSATION CIRCUIT, COMPENSATION METHOD, CAMERA MODULE AND UNMANNED AERIAL VEHICLE

An image signal compensation circuit is connected between an image sensor, a flexible printed circuit board and an image signal processor and is used to amplify a multichannel image signal outputted by the image sensor and performs a phase synchronization adjustment on the amplified multichannel image signal transmitted by the flexible printed circuit board, and after phases of the multichannel image signals are adjusted to be consistent, the multichannel image signals having consistent phases are transmitted to the image signal processor. The present invention also provides an image signal compensation method, camera module and unmanned aerial vehicle.

Intelligence public traffic system based on GPRS

... 基于GPRS的智能公交系统。现有公交系统中公交车到站不停车、乱停车，紧急救援机制不完善、乘客无法知道公交到站信息等弊端。本实用新型组成包括：公交车车体（1），公交车车体上安装有GPS定位装置（2）、电子标签（3），GPS定位装置与车载ARM控制器（4）连接，车载ARM控制器分别与语音报站装置（5）、监控器（6）、车载GPRS通信装置（7）、紧急按钮（8）连接，电子标签通过无线信号与RFID读写器（9）连接， RFID读写器安装在公交站牌（10）上， RFID读写器与站牌ARM控制器（11）连接。本实用新型应用于公交车调度。 ...

ELECTRICAL CONNECTION ASSEMBLY, PAN-TILT AND UNMANNED AERIAL VEHICLE

An unmanned aerial vehicle (100), comprising a vehicle body (10) and a pan-tilt (50) mounted on the vehicle body (10). The pan-tilt (50) comprises a support base (51), a functional module (53) and an electrical connection assembly (60), wherein the functional module (53) is arranged on the support base (51), the electrical connection assembly (60) is connected to the functional module (53), and the electrical connection assembly (60) comprises a connection piece (61) and a coaxial line (63) connected to the connection piece (61). The connection piece (61) comprises a flexible printed circuit (611), a connection portion (613) and a contact portion (615), wherein the connection portion (613) and the contact portion (615) are arranged on the flexible printed circuit (611), a connection end (635) of the coaxial line (63) is connected to the connection portion (613), and the contact portion (615) and the connection portion (613) are connected to the functional module (53) to perform signal transmission ...

METHOD FOR PRODUCING WHOLE-CEREAL FLOUR BY MEANS OF HIGH-VOLTAGE PULSES IN COLLABORATION WITH ULTRAFINE PULVERIZATION

A method for producing whole-cereal flour by means of high-voltage pulses in collaboration with ultrafine pulverization comprises the following steps: preparing bran, middling and flour by using cereal grains; performing superfine pulverization on the bran and the middling and performing sieving for standby use; preparing a suspension by using the sieved bran and middling, and adding polysaccharide colloids into the suspension; performing high-voltage pulse treatment on the suspension; performing centrifugation to separate a supernatant, and drying the precipitates; and mixing the treated bran and middling and the flour to obtain the whole-cereal flour. By means of the method, the rough taste of whole-cereal flour is alleviated, and the gluten power, the ductility and the viscosity of proteins are improved.

Sectional type composite braking anti-lock control method

The invention discloses a sectional type composite braking anti-lock control method which circularly executes the following steps in a braking process: calculating a real-time slip rate; the real-time slip rate and a slip rate threshold value are compared, and if the real-time slip rate is larger than the slip rate threshold value, the brake pedal opening degree is combined, and an anti-lock composite braking mode is selected; when the opening degree of the brake pedal is smaller than alpha 1, motor brake control is adopted, and fuzzy PID control is adopted to achieve anti-lock control; when the opening degree of the brake pedal is larger than or equal to alpha 1 and smaller than alpha 2, anti-lock hybrid braking of motor braking force and hydraulic/pneumatic braking force is adopted; when the opening degree of the brake pedal is larger than or equal to alpha 2, hydraulic/pneumatic anti-lock brake control is adopted, and the motor braking force exits according to a certain slope on the ...

Medicinal composition for enhancing immunity of dendrobium nobile and ginseng as well as preparation method and application of medicinal composition

The invention provides a dendrobium officinale and ginseng immunity-enhancing pharmaceutical composition and a preparation method and application thereof.The dendrobium officinale and ginseng immunity-enhancing pharmaceutical composition is prepared from dendrobium officinale, astragalus membranaceus, radix pseudostellariae, radix rehmanniae recen, scorched hawthorn fruit, radix ophiopogonis and sodium benzoate, and the preparation method comprises the steps that decoction pieces of six traditional Chinese medicines including dendrobium officinale and the like are put into a filter bag, soaked for 2 h with water and decocted three times, water 8 times the total weight of the medicinal materials is added in the first time of decoction, 6 times the total weight of the medicinal materials is added in the second time of decoction and the third time of decoction, and the decoction pieces are filtered; the preparation method comprises the following steps: decocting for 30 minutes, filtering, ...

Washing machine dewatering method capable of adaptively adjusting control parameters and washing machine

The invention provides a washing machine dewatering method capable of adaptively adjusting control parameters. The washing machine dewatering method comprises the following steps: S0, starting; the method comprises the following steps: S1, judging whether starting up for the first time or not, if so, initializing a vibration value threshold and entering S2; if not, directly entering S2; s2, initializing the distribution times t = 0; s3, performing eccentric distribution, performing eccentric and weighing detection after the eccentric distribution is finished, judging whether a rotating speed v (k-2) is entered or not, if so, increasing the speed of the washing machine to v (k-2), detecting a vibration value a (k-2) at the moment, and entering S4; if not, entering S2; s4, judging whether a (k-2) is less than a (k-2) threshold or not, if yes, increasing the speed of the washing machine to v (k-1), detecting a vibration value a (k-1) at the moment, and entering S5; and if not, entering S2.

TRIAZOLOPYRIMIDINE DERIVATIVE AND PREPARATION METHOD AND USE THEREOF

The present invention relates to triazolopyrimidine derivatives and a preparation method and a use thereof. In particular, the present invention relates to triazolopyrimidine derivatives as shown in general formula (I), and the use thereof as a therapeutic agent, especially as a P2Y12 receptor antagonist, wherein the definition of each substituent in general formula (I) is the same as the definition in the description.

Method and device for drawing wind speed acceleration ratio radar map of power transmission line

The invention relates to the technical field of disaster prevention and reduction of power transmission lines, and particularly provides a method and a device for drawing a wind speed acceleration ratio radar map of a power transmission line, which can fully consider the influence of surrounding terrains on wind speed acceleration and shielding, and realize accurate perception of designers on a wind field around a tower position in a mountainous area by drawing a wind speed acceleration ratio radar map. Therefore, the wind speed value and the wind load calculation of the mountainous area power transmission line are more accurate.

STORAGE CONTROL DEVICE AND CONTROL METHOD THEREOF, AND MOBILE STORAGE DEVICE

A storage control device (10) and control method thereof, and a mobile storage device (30). The storage control device (10) comprises: a first interface (11), a second interface (12), and a gating circuit (13). If a terminal device supports a priority protocol, data is sent to the terminal device by means of the second interface (12) by using the priority protocol, and if the terminal device does not support a priority protocol, the data is sent to the terminal device by means of the second interface (12) by using an alternative protocol; or if the terminal device supports a priority protocol, the data sent from the terminal device is received by means of the second interface (12) by using the priority protocol, and if the terminal device does not support a priority protocol, the data sent from the terminal device is received by means of the second interface (12) by using an alternative protocol. The data is sent to a storage medium (32) by means of the first interface (11). By means of ...

C50 type micro-expansive concrete

The invention discloses C50 type micro-expansive concrete, which is prepared from the following main raw materials: cement, fly ash, fine aggregate, coarse aggregate, an expanding agent, water and a water reducing agent. The C50 type micro-expansive concrete prepared by the invention has good self-curing micro-expansive performance on the premise of not influencing mechanical properties, and has wide application prospects.

Method and device for clustering usage of application program interface and method and device for searching usage of application program interface

The embodiment of the invention provides an API usage clustering method, an API usage searching method and an API usage clustering device. In the usage clustering method of the API, a feature set corresponding to a target API is extracted from each target function code containing calling of the target API, and one or more features are assigned to different usage according to the association between the features in the feature set corresponding to each target function code. And obtaining a usage set of the target API and a code snippet set corresponding to each usage in the usage set. Moreover, the usage methods can be sorted according to the number of the code snippets contained in the corresponding code snippet set, so that a usage method list corresponding to the target API and the code snippet set corresponding to each usage method are obtained.

Air interaction display terminal

The invention discloses an air interaction display terminal which comprises a host, the host is provided with a touch display module, the touch display module is provided with a touch display screen, and the touch display module is constructed to enable a touch function to be opened and closed. When the touch function is started, the touch display module controls the running state of the host; the non-contact control module is connected with a host, the non-contact control module is constructed to be capable of being opened and closed, and the non-contact control module is used for controlling the running state of the host when being opened; and the switching module is used for controlling at least one of the touch function and the non-contact control module to be started. According to the air interaction display terminal, the light curtain can be formed on the outer side of the touch display screen, a user can control operation of the host computer by touching the light curtain, direct ...

LIMIT DETECTION SYSTEM FOR RAILWAY VEHICLE

A limit detection system for a railway vehicle. The limit detection system comprises: a cross beam (101); stand columns (102) connected to two ends of the cross beam (101) through adjusting blocks; inclined struts (103) connected to the stand columns (102) and the cross beam (101) and used for supporting the stand columns (102) and the cross beam (101); electric cylinders (104) arranged on the stand columns (102) and the cross beam (101), a telescopic guide rod (105) being provided on a guide rail of each of the electric cylinders (104); a connecting plate (106) fixed to one end of each of the telescopic guide rods (105), one end of each of the connecting plates (106) being provided with a structured light (107), and the other end thereof being provided with an industrial camera (108); and a PC connected to a controller of each of the electric cylinders. The industrial cameras (108) detect the contour of a railway vehicle, so as to obtain three-dimensional information about an image of ...

Improved MLSCR device with high holding current and low on-resistance

The invention provides an improved MLSCR device with high holding current and low on-resistance. The device is based on a traditional improved transverse silicon controlled rectifier, and a p-type heavily doped region connected with an anode is far away from an n-type heavily doped region bridged between an n-type well region and a junction surface of a p-type well region; enabling an n-type heavily doped region connected with an anode to be close to an n-type heavily doped region bridged on the junction surfaces of the n-type well region and the p-type well region; removing shallow trench isolation between the n-type heavily doped region and the peripheral n-type heavily doped region, wherein the n-type heavily doped region is bridged on the junction surfaces of the n-type well region and the p-type well region; a p-type well region is arranged on other junction surfaces of the n-type well region except the junction surface containing the n-type heavily doped region bridged on the junction ...

Continuous rolling rack hole pattern calibration method

The invention discloses a continuous rolling rack hole pattern calibration method, which relates to the technical field of steel pipe rolling and comprises the following steps: S1, zeroing a hydraulic cylinder and correcting the center of a calibration table; s2, installing a calibration disc meter; s3, filling a gasket; s4, automatic calibration is carried out; s5, correcting the hole pattern offline; s6, on-line hole pattern reinspection is carried out; through zeroing of the hydraulic cylinder, center correction of the calibration table, contact between the automatic calibration roller and the calibration disc meter and real-time correction of hole pattern deviation, the accuracy and efficiency of calibration are improved, and the precision and consistency of hole patterns on a production line are ensured. Meanwhile, the fit degree of the calibration disc meter and the roller gap and the deviation of the stroke value of the hydraulic small bin are judged, it can be ensured that the hole ...

Method for monitoring operation state of transformer substation of electric power system

The embodiment of the invention discloses a method for monitoring the running state of a transformer substation of a power system, which is applied to a safety self-station, and comprises the following steps: obtaining running data of safety self-equipment of a related transformer substation site of a remote spare power automatic switching system, the running data comprising a channel state corresponding to the transformer substation and spare power automatic switching basic information of the transformer substation; and determining the operation mode of the remote spare power automatic switching system according to the channel state corresponding to the transformer substation and the spare power automatic switching basic information of the transformer substation. According to the substation operation state monitoring method of the electric power system, manual on-site checking of the operation mode of a remote spare power automatic switching system can be replaced, so that checking errors ...

LOUDSPEAKER

The present application provides a loudspeaker. The loudspeaker comprises a cone frame, a magnetic circuit system accommodated in the cone frame, and a vibration system connected to the cone frame, wherein the vibration system comprises: an upper vibrating diaphragm, which is fixed on the cone frame to vibrate and produce sound; a voice coil, which drives the upper vibrating diaphragm to vibrate; a flexible circuit board, which is fixed on the cone frame; and a lower vibrating diaphragm, which is attached to a side of the flexible circuit board that is away from the upper vibrating diaphragm, the lower vibrating diaphragm comprising an air-permeable grid layer made of an insulating material, and an elastic layer covering the air-permeable grid layer. The lower vibrating diaphragm in the present application has rigidity anisotropy, and f0 can be reduced, such that the low frequency of the loudspeaker is more impressive, and the yield strain of the lower vibrating diaphragm is also improved ...

DIAPHRAGM AND LOUDSPEAKER

The present application provides a diaphragm and a loudspeaker. The diaphragm comprises an elastic body and a conductive grid layer attached and fixed to the elastic body; the conductive grid layer comprises several metal wires arranged at intervals and several plastic wires arranged in cross arrangement with the metal wires. Compared with the related art, an FPC is replaced with the conductive grid layer made of conductive metal wires and several plastic wires arranged in cross arrangement with the metal wires in the present application; thus, the problem of fatigue fracture of the FPC is avoided, and the reliability, the service life and/or the low-frequency performance of the loudspeaker are improved; moreover, the assembly procedures are reduced, the cost is reduced, and the assembly speed and precision are improved.

Commutator inner side image defect detection method based on fusible feature pyramid

The invention relates to a commutator inner side image defect detection method based on a fusible feature pyramid. The commutator inner side image defect detection method comprises the steps that S1, a feature extraction network inputs extracted multi-level features into a feature splicing module of a multi-scale feature pyramid network; s2, splicing the input multi-level features by the feature splicing module, and inputting the spliced multi-level features into a coding and decoding module in a multi-scale feature pyramid network; s3, the coding and decoding module generates features with multiple scales according to the features input by the feature splicing module; s4, a feature aggregation module of the multi-scale feature pyramid network aggregates the multi-level features in the step S1 and the multi-scale features in the step S3 into a fusible feature pyramid, and a detection network obtains a convolutional neural network by adding a plurality of convolutional layers behind the ...

Method, device and equipment for monitoring network fault processing process

The invention provides a method, device and equipment for monitoring a network fault processing process, and the method comprises the steps: generating a network fault monitoring list which comprises a name and an observation window of first network equipment; determining monitoring configuration corresponding to the first network equipment according to the name of the first network equipment; executing a network fault processing operation, and performing network monitoring in the observation window according to the monitoring configuration to obtain a network monitoring result; control information is sent to the terminal equipment according to the network monitoring result, the control information is used for controlling the color of a main lamp on a traffic light lighting page on the terminal equipment so as to indicate whether at least one piece of alarm information corresponding to the monitoring configuration is monitored or not, and if at least one piece of alarm information is monitored ...

IMAGE CAMERA, HANDHELD CRADLE HEAD AND MOVABLE PLATFORM

An image camera, a handheld cradle head and a movable platform, the image camera comprising a body, a cradle head, a sensor imaging unit and an image processing unit arranged on the body, the body being provided with a first rotation interface, the cradle head comprising a rotating shaft mechanism, the rotating shaft mechanism having a first connection end, and the sensor imaging unit being arranged on the rotating shaft mechanism and being electrically connected to the first connection end; the first connection end is detachably connected to the first rotation interface; and the first connection end is electrically connected to the first rotation interface. Arrangie the part of the sensor imaging unit that needs to be stabilized on the rotating shaft mechanism of the cradle head and arranging the part that does not need to be stabilized in the body greatly reduces the volume and weight of the load of the rotating shaft mechanism; The rotating shaft mechanism and the body may achieve detachable ...

DYNAMIC ROCKET PROPELLING DEVICE

Disclosed is a dynamic rocket propelling device using solid fuel (1a) and provided with a control element (2a), thereby making the bottom part of the rocket body form a Laval nozzle structure (3a) suitable for rocket flight. The control element (2a) comprises a rocket body casing (21a), and when the solid fuel undergoes combustion, a lower edge of the casing (21a) can be dynamically ablated along with the combustion front of the solid fuel. In this way, during the flight of the rocket, the bottom part of the rocket body can be dynamically made to form the nozzle structure (3a) suitable for rocket flight, and the waste generated essentially serves as a working medium to propel the flight of the rocket and is ejected by the nozzle structure, i.e. excess weight of the rocket can be discarded in a timely manner, and waste of a relatively large volume is not generated, thereby improving the degrees of freedom for designing a rocket flight path.

Fermentation type milk-containing beverage added with collagen peptide and preparation method of fermentation type milk-containing beverage

The invention discloses a fermentation type milk-containing beverage added with collagen peptide, which is characterized by comprising the following raw materials in percentage by weight: 4 to 5 percent of milk powder, 3 to 4 percent of cane sugar, 0.5 to 0.7 percent of stabilizer, 0.01 to 0.04 percent of sweetening agent, 0.004 to 0.008 percent of strain, 0.05 to 0.2 percent of collagen peptide powder, 0.04 to 0.1 percent of citric acid and the balance of water. The prepared fermented milk-containing beverage is fine and smooth in taste and natural in fragrance, can provide various nutrient substances such as proteins and carbohydrates for human bodies, is also added with the fish-derived collagen peptide powder, and has good beautifying property.

Nano self-supporting ferronickel material and application thereof in electrolytic hydrogen production

The invention relates to the technical field of electrolytic hydrogen production, and discloses a nano self-supporting ferronickel material and application thereof in electrolytic hydrogen production. The nanometer self-supporting ferronickel material is of a sea urchin structure constructed by nanorods and is arrayed on the surface of a ferronickel substrate; the nano self-supporting nickel-iron material is obtained by taking an ammonium persulfate solution as a treating fluid, putting a nickel-iron substrate into the treating fluid, performing thermal reaction and performing post-treatment. According to the invention, the cheap commercial ferro-nickel substrate is rapidly converted into the high-activity and high-stability oxygen evolution catalyst in a value-added manner. The sea urchin-shaped ferro-nickel sulfide phase directly grows and is uniformly arrayed on the ferro-nickel metal foam substrate, and is strongly combined with the substrate, so that the problems of unstable structure ...

Three-point progressive jacking method for replacing slewing bearing of bucket-wheel cantilever type material taking machine

The invention relates to a three-point progressive jacking method for replacing a slewing bearing of a bucket-wheel cantilever type material taking machine. The three-point progressive jacking method comprises the steps of jacking point bearing capacity calculation and three-point progressive jacking. Three-point progressive jacking is adopted in the jacking process, the horizontal conditions of three points and the working height of the jack are observed at any time in the jacking process, and a steel cushion block with the thickness of 15 mm is additionally arranged for protection every time the jack is jacked by 15 mm, so that the balance and safety of the whole machine in the jacking process are ensured; when the bearing is jacked to a proper height, the old bearing is dismantled; when a new bearing is installed, the upper structure of the material taking machine is aligned with the new bearing successfully, then the upper structure of the material taking machine completely falls down ...

Design method for variable circulation flow type blade of agricultural axial flow fan

The invention belongs to the field of mechanical application equipment, and particularly relates to an agricultural axial flow fan variable circulation flow type blade design method which comprises the following steps: S1, calculating blade parameters by using a variable circulation flow type and isolated wing type method according to designed inlet static pressure, designed rotating speed and designed ventilation quantity; s2, performing rapid modeling by using chord lengths b of different calculation sections and calculation section placement angles beta m obtained by calculation in the step S1; s3, importing the model of the blade obtained in the step S2 into 3D modeling software to obtain a blade entity model and a fluid domain, and then performing numerical simulation; s4, screening a suitable variable circulation flow pattern through numerical simulation; s5, after the variable circulation flow pattern is selected, a better hub diameter is screened through numerical simulation; and ...

PCIE INTERFACE, CONNECTOR AND TERMINAL DEVICE

A PCIE interface, a connector, and a terminal device, the PCIE interface comprising: at least one pair of ports, which have a receiving function attribute and are used for receiving data; and at least one pair of ports, which have a transmitting function attribute and are used for transmitting data. Two ports of each pair of ports have opposite polarities, and each of the ports having the receiving function attribute and the transmitting function attribute has the same attribute as a port in central symmetry with the port. The interface can realize normal data transmission when inserted in both forward and reverse directions.

Heavy-duty vehicle carbon emission and fuel consumption zoning reconstruction evaluation method suitable for remote monitoring and actual road testing

The invention discloses a heavy-duty vehicle carbon emission and fuel consumption partition reconstruction evaluation method suitable for remote monitoring and actual road testing, which comprises the following steps of: inputting remote monitoring data or actual road testing data of a target vehicle model as vehicle real-time data; the engine speed and net output torque of vehicle real-time data and drum data per second are partitioned and subjected to data association, the average fuel consumption level of a target vehicle model is obtained through partitioned data clustering, and the target vehicle model is obtained through data reconstruction and the average fuel consumption level of the target vehicle model. Reconstruction data of the carbon emission or oil consumption level of each partition are obtained based on drum data prediction, the reconstruction data of different partitions are spliced according to the engine circulation process of the target vehicle model during oil consumption ...

Bionical sea horse water quality monitoring device

... 本实用新型公开了种仿生海马水质监测装置，包括海马主体，所述海马主体上设置有监测组件、移动组件、沉浮控制组件、电源组件以及主控电路板，本实用新型可以通过舵机控制摆动鳍片的左右摆动，从而实现海马主体在水中移动，通过电机控制顶压板回缩，使得储水仓内的气压降低，从而实现储水仓进水海马主体下沉，相反可以通过弹簧收缩，顶压板压缩储水仓空间，使得海马主体内的水被排除，从而实现海马主体上浮，传感器以及定位模块可以适时监测水质情况以及水域定位，并通过通讯模块将数据实时回传，达到水质监测的目的。 ...

Green smart energy application management service platform

A green smart energy application management service platform disclosed by the present invention comprises a platform main control unit, the platform main control unit is electrically connected with an authentication unit, the authentication unit comprises a control port, a generator port and a user port, and a demand uploading module is electrically connected with a mailbox sending port and a network sending port. The equipment adding module is electrically connected with an energy consumption prediction module and a data real-time display window, the energy consumption prediction module is electrically connected with a single-day consumption prediction module and a current-month consumption prediction module, and the current-month consumption prediction module is electrically connected with a chart generating and processing unit. According to the green smart energy application management service platform, the platform can guarantee the energy consumption demand of a client, meet the requirement ...

Micro-grid wind-storage-load layered collaborative frequency modulation control method

The invention discloses a microgrid wind-storage-load layered collaborative frequency modulation control method, and the method comprises the following steps: S1, building a wind-storage-load layered collaborative frequency modulation control architecture based on the operation characteristics of all resources in a microgrid system; s2, frequency modulation control models of a gas turbine, a double-fed fan, an energy storage system and a controllable load are established respectively, and an overall frequency response model of the micro-grid system is established; and S3, establishing a prediction model of the frequency response characteristic index of the micro-grid system, taking the maximum frequency deviation as a frequency layering index, providing a wind-storage-load layering cooperative frequency modulation control strategy based on the prediction model, and compensating the power absorbed by the fan through an energy storage system in a fan rotating speed recovery stage. The fan ...

Laser photovoltaic planting method

The invention provides a laser photovoltaic planting method, which comprises the following steps of: planting crops under a photovoltaic panel, constructing a laser light field under the photovoltaic panel by taking laser as a supplementary light source, changing a plant growth light environment under photovoltaic, and forming a plant normal growth light condition by regulating and controlling laser light quality, light intensity and light period; wherein the laser light source is used for irradiating crops and is arranged between the photovoltaic panel and the crops; the laser light source is a semiconductor laser light source, the laser light intensity of the light field is 0.05-5 [mu] mol.m <-2 >. S <-1 >, through specific wavelength matching and light intensity ratio matching, normal growth of various crops under the panel is met, the limitation that only shade-tolerant plants can be planted under the photovoltaic panel is broken through, and the requirements of different heliophilous ...

GSH/pH dual-response space-time release type nano anti-tumor drug carrier, drug loading system and preparation method and application thereof

The invention discloses a GSH/pH dual-response space-time release type nano antitumor drug carrier, a drug loading system and a preparation method and application thereof, and belongs to the technical field of antitumor drugs. The drug carrier comprises mesoporous silica, polydopamine wrapping the surface of the mesoporous silica, a photosensitizer on the surface of the polydopamine, and MnO2 wrapping the outer layer of the photosensitizer. The drug loading system comprises the drug carrier and an anti-tumor drug loaded in a mesoporous silica channel. According to the GSH/pH dual-responsive drug release switch, MnO2, a photo-thermal material, a chemotherapeutic drug and a photosensitizer are sequentially released and accurately act on different sites, and good multi-mode combined treatment is achieved. Mn < 2 + > reacts with high-content GSH in tumors to generate a large amount of. OH, so that the PDT effect is improved.

BONE CONDUCTION APPARATUS

A bone conduction apparatus (100), comprising a vibrating piece (10), an elastic fixing member (20), a magnetic circuit assembly (30), and fixing parts (50). The magnetic circuit assembly (30) comprises a magnetic bowl (31), a soft magnet (32) fixed on the magnetic bowl (31), and a voice coil (60) wound on the soft magnet (32). The fixing parts (50) comprise side walls (51) fixed on the peripheral sides of the magnetic bowl (31). The elastic fixing member (20) is fixed on the side walls (51) and is arranged opposite the magnetic circuit assembly (30) at an interval. The vibrating piece (10) is fixed on the elastic fixing member (20). The bone conduction apparatus (100) also comprises damping members (40) connecting the elastic fixing member (20) and the side walls (51). When the vibrating piece (10) vibrates, the damping members (40) provide a counteracting force which is opposite the vibration direction. The present invention reduces housing vibration without additionally increasing the ...

Part supply equipment, method and device and storage medium

The invention discloses part supply equipment. The part supply equipment comprises a feeding groove, a feeding disc, a discharging groove and a box body; the feeding disc comprises a plurality of magnets, and the discharging groove comprises a proximity switch. The feeding groove is connected with the bottom face and the first side face of the box body and used for bearing parts. The feeding disc is connected with the second side face of the box body and used for attracting the parts in the feeding groove through a magnet and conveying the attracted parts to the discharging groove. The discharging groove is connected with the front face of the box body and used for recording the number of the parts through the proximity switch and conveying the obtained parts to the discharging port. According to the technical scheme, automatic supply of the parts is achieved, manpower resources occupied by taking the parts are reduced, and the supply efficiency of the parts is greatly improved; meanwhile ...

Quantitative screening method and device for sensitive points of wind field

The invention relates to the technical field of disaster prevention and reduction of power transmission lines, and particularly provides a quantitative screening method and device for sensitive points of a wind field, and the method comprises the steps: carrying out the flow field simulation analysis of a region, and obtaining the wind speed vector data of each grid center point in the wind field of a whole watershed; rejecting bad data in the wind speed vector data, and smoothing the wind speed vector data from which the bad data is rejected; and screening wind field sensitive point locations based on the smoothed wind speed vector data. The technical scheme provided by the invention can be used for quickly screening massive wind field simulation analysis data, recommending the shielding area tower position suitable for arranging the power transmission tower and early warning the acceleration area tower position not suitable for arranging the power transmission tower.

POROUS ELECTRODE ASSEMBLY, LIQUID-FLOW HALF-CELL, AND LIQUID-FLOW CELL STACK

The present invention provides a porous electrode assembly, a liquid-flow half-cell, and a liquid-flow cell stack. The porous electrode assembly comprises a plurality of porous electrodes which are superimposed, wherein at least two porous electrodes are flow channel electrodes provided with flow channels, and parts of the flow channels of the at least two flow channel electrodes are communicated to form a flow field. A flow field which is formed by mutually communicating flow channels and for flow of electrolyte is arranged inside at least one porous electrode of the porous electrode assembly, and the electrolyte flows in the porous electrode under the guide effect of the flow field, so that the surface area for the electrolyte to permeate the solid part of the porous electrode is increased, the liquid-flow resistance of the porous electrode to the flowing of the electrolyte is reduced, and the liquid-flow pressure difference required by the flowing of the electrolyte is effectively reduced ...

Cable deicing device

The invention discloses a cable deicing device, and relates to the technical field of cable deicing, and the specific scheme is as follows: the cable deicing device comprises a mounting rack, the mounting rack comprises an upper mounting rack and a lower mounting rack which are in butt joint with the outer side of a cable body, and the opposite sides of the upper mounting rack and the lower mounting rack are connected with power wheels through sliding blocks; the output end of the electric control telescopic cylinder is rotatably connected with the sliding block through a connecting rod so as to drive the power wheel to be tightly attached to the cable body, the other end of the mounting frame is connected with a cone, a rotating cylinder is arranged in the cone, the mounting frame is rotatably connected with a connecting rod, and the connecting rod is matched with the output end of the electric control telescopic cylinder in an inserted mode; the connecting rod is rotatably connected with ...

Adsorbent as well as preparation method and application thereof

The invention discloses an adsorbent as well as a preparation method and application thereof, and the method comprises the following steps: (1) mixing cyanuric chloride, imidazole and a solvent for reaction to obtain a crude product; and (2) sequentially washing, Soxhlet extraction and drying the crude product to obtain the adsorbent. The adsorbent prepared by the method has high adsorption capacity, high selectivity and capability of reducing and adsorbing composite metal anions in situ, and the method is very simple in step, mild in reaction condition, relatively high in yield and low in cost.

制动器锁定机构及使用该机构的制动器

The lock mechanism is composed of an outer cover, driving gear ring, driven gear ring, and part of passing force. Uniformly distributed axial slot grooves with teeth in end face are inside the outer cover. End teeth possible to engaged each other on opposite end faces of driving gear ring, and driven gear ring. Being matched to axial slot grooves axial bonds are distributed on their cylinder uniformly. But, there is an angle difference. Inching happens once only when driving device changes state of arrester. Once being changed, state of arrester is locked by locking gear. Thus, operating time of driving device is reduced greatly so as to save energy and prolong service life, especially for driving device in low transition frequency.

Shaping processing method for arc-shaped battery, and arc-shaped battery

The invention provides a shaping processing method for an arc-shaped battery, and the arc-shaped battery. The shaping processing method for the arc-shaped battery comprises the following steps: carrying out pre-pressing operation on a battery cell so as to allow the battery cell to form an arc-shaped battery cell; providing a shaped battery cell; connecting the shaped battery cell with the arc-shaped battery cell; performing stamping operation on an aluminum-plastic film sheet body so as to allow an arc-shaped accommodating groove matched with the arc-shaped battery cell to be formed in the aluminum-plastic film sheet body; placing the shaped battery cell and the arc-shaped battery cell which are connected with each other in the arc-shaped accommodating groove; and bending the aluminum-plastic film sheet body to allow the aluminum-plastic film sheet body to form an arc-shaped packaging sleeve covering the shaped battery cell and the arc-shaped battery cell. According to the invention, the ...

Cu-containing low-alloy high-strength steel with yield strength of 1100 MPa and manufacturing method of Cu-containing low-alloy high-strength steel

The invention relates to Cu-containing low-alloy high-strength steel with yield strength of 1100 MPa and a manufacturing method thereof. The steel comprises the following chemical components: 0.015%-0.050% of C, 0.85%-0.95% of Si, 0.45%-0.65% of Mn, less than or equal to 0.010% of P, less than or equal to 0.005% of S, 0.85%-1.00% of Cr, 2.30%-2.70% of Ni, 2.25%-2.65% of Cu, 0.105%-0.180% of Zr, 0.15%-0.30% of Mo, 0.195%-0.295% of Alt and the balance of Fe. The ratio of Ni to Cu is controlled to be 1-1.2; and the balance Fe and impurities. Through the synergistic effect of Cu, Al, Mn, Ni, Si, Mo, Zr and other elements, the technology of off-line quenching and high-temperature tempering is adopted, Cu-containing nano metastable phase dispersion precipitation and Zr and/or Mo carbide precipitation precipitation are formed, and solid solution strengthening is matched, so that the produced steel plate has excellent high strength, excellent low-temperature toughness, excellent welding performance ...

U-shaped rib fillet weld assembling, welding and correcting integrated welding equipment

The invention discloses U-shaped rib fillet weld assembling, welding and correcting integrated welding equipment which comprises a base and a workbench, a guide rail is installed at the upper end of the base, and a rack is further installed at the upper end of the base; an outer welding frame is further slidably mounted at the upper end of the guide rail, an outer welding driving motor is further mounted on the outer welding frame, the output end of the outer welding driving motor is in driving connection with an outer driving gear, the outer driving gear is in meshed connection with the rack, and an auxiliary frame is slidably mounted on the guide rail. An inner welding positioning assembly is further installed on the guide rail in a sliding mode. The auxiliary limiting mechanism is mounted on the auxiliary frame and used for positioning the U-shaped rib; the outer shape correcting assembly is mounted on the outer welding frame and is used for correcting the shape of the outer part of ...

Coal uncovering method for fluidization advanced coal body emptying laneway

The invention relates to a coal uncovering method for a fluidization advanced coal body emptying laneway, and belongs to the technical field of laneway coal uncovering. Before a laneway is tunneled to a position which is 10m away from a coal seam vertically, coal seam gas occurrence change conditions are detected in advance, and reliable geological parameters are provided for fluidization coal body emptying; before the roadway is tunneled to the position 7 m away from the coal seam vertically, grouting holes are formed, grout is injected to solidify the range 0-5 m away from the contour line of the roadway in the coal uncovering area, so that a solidification ring is formed, the surrounding rock strength is improved, and a gas source is blocked; a gas drainage drill hole is formed outside the curing ring so as to reduce the emission power of gas into the curing ring; a water jet cutting drill hole is formed in the middle of a roadway outline, a negative pressure pipeline conveying drill ...

Fourier transform imaging spectrometer based on polarizing plate

... 本实用新型涉及种基于偏光板的傅里叶变换成像光谱仪，基于偏光板的傅里叶变换成像光谱仪主要由前置望远物镜、准直镜、偏振板、傅里叶透镜以及二维焦平面探测器FPA组成，此外还包括大口径视场光栏。偏振板处于准直光路中。二维焦平面探测器FPA位于傅里叶透镜的焦平面上，且与视场光栏所处的平面共轭。视场光栏平面上任意点发出的具有相同出射角度的光线都可以汇聚到FPA上的相同位置。本实用新型提供的基于偏光板的傅里叶变换成像光谱仪，能够获得高通量，并且可以使得干涉现象得到增强。 ...

Fastener confined state detection device

... 本实用新型提供了一种紧固件装配状态检测装置，包括：检测部件，设置在拧紧机上，用于通过拧紧机获取紧固件的当前拧紧力；处理器，与检测部件连接，用于根据当前拧紧力与紧固件的预设拧紧力参数的比较结果生成控制指令；提示设备，与处理器连接，用于根据处理器生成的控制指令发出提示信号。应用本实用新型技术方案的紧固件装配状态检测装置，可以提醒操作人员螺栓、螺母等紧固件是否拧紧，解决了现有的紧固件在拧紧过程中容易出现拧紧遗漏、扭矩错误和重复拧紧的技术问题。 ...

Carboxyl magnetic silicon dioxide microsphere with controllable particle size as well as one-step preparation method and application of carboxyl magnetic silicon dioxide microsphere

The invention discloses carboxyl magnetic silicon dioxide microspheres with controllable particle size as well as a one-step preparation method and application thereof, and belongs to the technical field of preparation of magnetic materials. The preparation method comprises the following steps: taking Fe3O4 magnetic particles as a magnetic core, wrapping the surface of the magnetic core with a silicon dioxide layer, taking an aminosilane compound and a diacid compound as functional reagents, and grafting carboxyl on the surface to obtain the Fe3O4 (at) SiO2-COOH composite microspheres. The particle size of the carboxyl magnetic silicon dioxide microspheres is 0.5-10 [mu] m. The preparation method is simple, high in controllability and short in time consumption, the particle size of the prepared magnetic silicon dioxide microspheres can be regulated and controlled between the nanometer level and the micrometer level, the magnetic silicon dioxide microspheres can be used for expanded production ...

Relay protection device external fault analysis method and device and storage medium

The invention discloses a relay protection device external fault analysis method and device and a storage medium. The method comprises the following steps: positioning a fault first device; based on the primary and secondary equipment collaborative topological graph, second equipment adjacent to the fault first equipment at the same voltage level is retrieved; the first equipment and the second equipment are primary equipment; judging whether relay protection of the second equipment is started or not; if yes, determining whether the fault analysis outside the protection area of the second equipment is abnormal or not according to whether the fault phase of the second equipment is consistent with the fault phase of the fault first equipment or not; and if not, determining whether the fault analysis outside the second equipment protection area is abnormal or not according to at least one of whether the protection calling constant value is consistent with the archived electronic constant value ...

Hydrogen energy fuel battery pack

The invention discloses a hydrogen energy fuel battery pack which comprises a hydrogen energy fuel battery pack body, the hydrogen energy fuel battery pack body comprises an outer shell and a battery stack, the battery stack is provided with a hydrogen interface and an oxygen interface, and one side of the battery stack is provided with an oxygen supply structure for adjusting the oxygen input amount. The oxygen supply structure comprises an air pipeline fixedly communicated with the oxygen connector, an air bellow is fixedly communicated with one end of the air pipeline, an air suction assembly for sucking external natural air is arranged in the air bellow, the air suction assembly comprises multiple sets of fan blades which are arranged in the air bellow and rotate freely, and an air swing assembly for adjusting the dip angle of the fan blades according to the wind resistance is arranged in the air bellow. The cell stack is fixedly connected with a voltage sensor for measuring the output ...

Mounting and adjusting device for pipeline on steel structure beam

A pipeline installation adjusting device on a steel structural beam relates to a pipeline upper beam installation device, and is characterized in that the lower middle part of a bottom plate (7) of a steel structural beam connecting part is movably connected with the upper end of an upper bracket (8) of a lifting part, the lower part of the lifting part is connected with the upper surface of a lifting plate (23), and the upper parts of the two sides of the lifting plate are respectively and movably connected with the upper ends of two hinge plates (11); the lower ends of the two hinge plates are connected to the two upper ends of a U-shaped plate (15) in a hinged mode, a plurality of universal balls (16) are distributed on the inner concave face of the U-shaped plate, and the universal balls on the inner face of the U-shaped plate support the lower portion of a pipeline (12). A brake pad (14) abutting against the outer edge of the pipeline is arranged in the U-shaped plate, a spring (13 ...

Special electrically-driven switching device for borescope of aircraft engine

According to the special electrically-driven switching device for borescoping of the aircraft engine, a motor acts, power is transmitted to a transmission rod through a transmission box, so that a rotating rod is driven to rotate, and the rotating rod drives a rotor of the aircraft engine to rotate through transmission of a key II. Due to the fact that the motor is adopted for driving, smooth starting, constant-speed rotation and effective control rotation of an aircraft engine rotor are achieved, the whole device is arranged on one side of an engine APU air guiding pipe, complex structures such as an interface accessory APU pipe are reasonably avoided, detection operation can be conducted by one person, working efficiency is improved, missing detection caused by too fast manual rotation is avoided, cost is saved, and working efficiency is improved. And the borescope detection quality is improved.

Rotor dismounting device for offshore platform high-pressure multi-stage centrifugal pump

The invention discloses a dismounting device for a high-pressure multi-stage centrifugal pump rotor of an offshore platform. The dismounting device comprises a product displacement module, a high-frequency heating module and a driving module. The product displacement module comprises a clamping jaw rail, a clamping jaw, a clamping air cylinder, a transposition speed adjusting motor, a clamping distance adjusting lead screw, a rotary disc and a lifting block. The high-frequency heating module comprises a heating device and a servo motor. And the driving module comprises a driving tip and a driving speed regulating motor. The impeller sleeves the impeller shaft through the high-frequency heating module, and the impeller expands according to the principle of thermal expansion and cold contraction, so that the impeller is easily detached from the impeller shaft.

Certificate file scanning method and device, equipment and storage medium

The invention relates to the technical field of Internet of Vehicles, and discloses a certificate file scanning method, device and equipment and a storage medium, and the method comprises the steps: matching an initial certificate file from firmware of an in-vehicle infotainment system according to file format information corresponding to the certificate file; traversing the code according to the file content of the initial certificate file to obtain certificate information corresponding to the initial certificate file; determining a to-be-selected certificate file according to the certificate information and the initial certificate file; analyzing the to-be-selected certificate file based on a preset certificate analysis library; and screening out a target certificate file from the to-be-selected certificate files according to an analysis result. According to the scheme, when the certificate files in the in-vehicle infotainment system are scanned, the initial certificate file is determined ...

Quick mounting structure for concrete filled steel tube foot

The invention provides a quick mounting structure for a concrete filled steel tube foot, and particularly relates to the field of building construction. The structure comprises a steel pipe concrete and an anchoring device, a plurality of supporting assemblies are arranged at the top of the anchoring device, and the concrete filled steel tube is fixedly connected with the supporting assemblies through mounting heads. According to actual construction requirements, the number, the size and the installation angle of the anchoring devices, the concrete filled steel tube, the installation heads and the supporting assemblies can be designed, and all the parts can be rapidly installed through simple processes such as inserting connection, threaded connection and welding; and in addition, the concrete-filled steel tube adopts a multi-layer wall design, so that the problems of easy debonding, cracking, cavities and the like in a conventional concrete-filled steel tube structure are effectively solved ...

Preparation method of lithium-doped manganese-based layered oxide for positive electrode material of potassium ion battery

The invention provides a preparation method of a lithium-doped manganese-based layered oxide for a positive electrode material of a potassium ion battery, and belongs to the technical field of functional nano materials. The method comprises the following steps: firstly, mixing raw materials of potassium salt, manganese oxide, lithium salt powder and alcohol, and carrying out ball milling in a planetary ball mill to obtain pretreated powder; drying and tabletting the pretreated powder, and calcining in a muffle furnace; in order to avoid the influence of water in the air on a layered oxide structure, after heat preservation is finished, a sintered sample is quenched on a dry copper metal sheet, and is quickly transferred into a glove box filled with argon; and grinding in an agate mortar to obtain the lithium-doped manganese-based layered oxide positive electrode material containing the potassium manganate and lithium manganate composite structure. The method is simple to operate, easy to ...

Method for automatically identifying focus lens and focus lens seat

The invention discloses a method for automatically identifying a focus lens and a focus lens seat. The method for automatically identifying the focus lens comprises the following steps that each focus lens is provided with an identifier, and each identifier corresponds to the focus lens of one specification; electrically connecting the identifier with a control system for communication; the focus lens seat comprises a lens mounting position and a recognizer mounting position, a focus lens is mounted at the lens mounting position, and a recognizer is mounted at the recognizer mounting position. According to the method for automatically identifying the focus lens, the manual operation is reduced, the efficiency is improved, and the identification accuracy is relatively high.

Model test device and method for testing permeability and collapsibility of loess

The invention discloses a model test device and method for testing permeability and collapsibility of loess, and belongs to the field of loess permeability and collapsibility testing. According to the automatic water seepage device, variables in the test process can be more favorably controlled, the infiltration speed can be accurately controlled, the boundary state can be more effectively controlled, meanwhile, water consumption of each test can be more conveniently and accurately recorded through water collection tank infiltration, and the automatic water seepage device is simple, convenient and labor-saving. In the process of laying the soil layer, colored sand is added as a mark layer, so that the test process of loess collapsibility can be more intuitively displayed, and a basis is provided for calculating the collapsibility of different depths. Meanwhile, the migration rule of the moisture in the soil body in the test process is visually observed through the glass plate, and the moisture ...

One-way fuse box

The invention discloses a safety box which comprises a cover, a storage battery bolt, a shunting bracket, a safety piece, a bolt, a gasket, a nut and a base, the safety piece is placed on the base, and the two ends of the safety piece are fixed to the base through nuts, bolts and gaskets respectively. One end of the base is connected with the shunt bracket; the storage battery bolt is fixed on the shunting bracket; the cover comprises a front end cover body and a rear end cover body, and the front end cover body and the rear end cover body are movably connected; the front end cover body covers the shunting support, and the rear end cover body covers the base. According to the one-way fuse box, the fuse piece is flexible to replace, the assembly efficiency is improved, the cost is reduced, and the space utilization rate is reduced.

Calling relation analysis method, equipment, storage medium and device

The invention relates to the technical field of Internet of Vehicles, and discloses a calling relation analysis method, equipment, a storage medium and a device.The method comprises the steps that an executable file of a to-be-analyzed application program in an in-vehicle infotainment system is obtained, the executable file is converted into a decompiled file, associated information of the to-be-analyzed application program is obtained according to the decompiled file, and the to-be-analyzed application program is analyzed according to the associated information. Performing hidden call analysis on the to-be-analyzed application program according to the associated information to obtain a call relationship of the to-be-analyzed application program; according to the method and the device, the executable file is converted into the decompiled file, and the hidden calling analysis is carried out on the to-be-analyzed application program according to the decompiled file, so that the accuracy and ...

Atomization seal coat equipment for asphalt pavement maintenance

The invention relates to the technical field of asphalt pavement maintenance, in particular to atomization seal coat equipment for asphalt pavement maintenance, which comprises a water storage tank, the bottom of the water storage tank is connected with a conveying pipe, one end, far away from the water storage tank, of the conveying pipe is connected with an L-shaped high-pressure water gun, and the surface of the conveying pipe is provided with a filter box; the fixed plate is arranged in the filter box, and a filter screen is arranged in the center of the fixed plate; the cleaning plate is arranged on one side of the filter screen, a cleaning block is arranged in the cleaning plate, and a scraper is arranged on one side of the cleaning block; the device has the beneficial effects that water can be filtered through the filter screen, in order to prevent the filter screen from being blocked by impurities, a rotating cleaning plate is arranged on one side of the filter screen, and in the ...

Cu-containing low-alloy high-strength steel with yield strength of 800 MPa and manufacturing method of Cu-containing low-alloy high-strength steel

The invention relates to Cu-containing low-alloy high-strength steel with yield strength of 800MPa. The steel comprises the following chemical components in percentage by weight: 0.04%-0.07% of C, 0.70%-0.85% of Si, 0.15%-0.40% of Mn, less than or equal to 0.010% of P, less than or equal to 0.005% of S, 0.40%-0.55% of Cr, 1.50%-1.70% of Ni, 1.45%-1.65% of Cu, 0.090%-0.160% of Zr, 0.15%-0.25% of Mo, 0.090%-0.190% of Alt and the balance of Fe. The ratio of Ni to Cu is controlled to be 1-1.2, and the balance is Fe and impurities. Through the synergistic effect of Cu, Al, Mn, Ni, Si, Mo, Zr and other elements, the technology of off-line quenching and high-temperature tempering is combined, Cu-containing nano metastable phase dispersion precipitation and Zr and/or Mo carbide precipitation precipitation are formed, and solid solution strengthening is matched, so that the finished steel plate has high strength, excellent low-temperature toughness and good welding performance and cold forming performance ...

Lithium primary battery SOC estimation method based on current and temperature state information

A lithium primary battery SOC estimation method based on current and temperature state information comprises the steps that lithium primary batteries of the same type are selected and discharged to cut-off voltage according to set power or current in different temperature environments, and the accumulative discharge capacity of the batteries is recorded in the discharging process; establishing an array list taking the environment temperature as an independent variable and the battery capacity as a dependent variable according to a test result, selecting the rated capacity of the battery, and establishing a mathematical model; collecting the current environment temperature of the lithium primary battery in real time, and calculating the discharge capacity of the battery when the current temperature is yes; and collecting the discharge current of the lithium primary battery in real time, and calculating the discharged capacity of the lithium primary battery. According to the method, real-time ...

Medical care team configuration method, device, equipment, medium and program product

The invention provides a medical care team configuration method and device, equipment, a medium and a program product. The method comprises the steps that operation application information of multiple operations is acquired; processing the respective operation application information of the plurality of operations to obtain respective operation time information of the plurality of operations; obtaining at least one idle time period and operation cooperation information of a plurality of medical workers; and for each operation in the plurality of operations, determining a medical care team of the operation according to the respective at least one idle time period of the plurality of medical care personnel, the operation cooperation information and the operation time information of the operation. Therefore, the automation rate and the efficiency of configuring the medical team are improved.

Refining method of ceftiofur hydrochloride

The invention belongs to the field of chemical synthesis and purification of veterinary bulk drugs, and particularly relates to a refining method of ceftiofur hydrochloride. The method comprises the following steps: S1, adding ceftiofur hydrochloride to be refined into a mixed solution of water and an organic solvent; s2, controlling the temperature, adding alkali, adjusting the pH value to 5.5-6.5, and decolorizing with activated carbon; s3, dropwise adding a hydrochloric acid solution to separate out ceftiofur hydrochloride solid; and S4, controlling the temperature, dropwise adding concentrated hydrochloric acid to adjust the pH value to 0.6-0.8, growing the crystal, filtering, and drying in vacuum at 60 DEG C to obtain the purified ceftiofur hydrochloride pure product. The ceftiofur hydrochloride refining method is simple in operation process, high in repeatability and high in yield, and products with the purity larger than 99.7% can be stably obtained.

Micro-negative pressure air exhaust type coal seam gas underground crushing desorption amount measuring method and device

The invention relates to a micro-negative pressure air exhaust type coal seam gas underground crushing desorption amount measuring method and device, and belongs to the field of coal seam gas content measurement. According to the method, through the technical means of providing a micro-negative pressure environment by using a sucking pump in the coal sample crushing process and continuously sucking gas until the gas concentration in a coal sample crushing cavity is lower than 0.1% after crushing, various practical problems of crushing amount measurement errors caused by incapability of realizing absolute sealing are effectively avoided; the device comprises a coal sample crushing device and a desorption instrument connected with the coal sample crushing device through a sucking pump, the sucking pump is used for providing a micro-negative pressure environment for the coal sample crushing device in the crushing process, gas in the coal sample crushing device is extracted, the desorption ...

Chassis and chuck integrated anti-overturning fabricated foundation for electric pole and construction method

The invention provides an anti-overturning assembly type foundation for a chassis and chuck integrated electric pole and a construction method, and aims to solve the problems of pole falling and pole inclining of a concrete electric pole under a strong wind load and greatly improve the anti-overturning capacity of an electric pole foundation. A plurality of mutually spliced stiffening rib plates are inserted and fixed on the upper surface of the chassis around the electric pole; the ends, facing the electric pole, of the stiffening rib plates are connected with the side face of the electric pole through grouting consolidation structures so as to bear the upsetting moment when the electric pole works, improvement is conducted on the basis of a traditional common concrete chassis, prestressed reinforced concrete is adopted for prefabricating an assembly type foundation, the weight of a single piece is reduced, and transportation and installation are convenient; during field installation, ...

Continuous flow synthesis method of 4-fluoro-2-methoxy-5-nitroaniline

The invention belongs to the technical field of organic synthesis, and particularly relates to a continuous flow synthesis method of 4-fluoro-2-methoxy-5-nitroaniline. The method comprises the following steps: preparing a mixed solution A from a raw material A, methanol and an organic solvent, respectively pumping the mixed solution A and an alkali solution into a continuous flow mixer 1 for mixing, and reacting through a continuous flow reactor 1 to obtain a mixed solution B containing an intermediate A; respectively pumping the mixed solution B and water into a continuous flow liquid separator 1, and separating an organic phase to obtain a mixed solution C; respectively pumping the mixed solution C and hydrogen into a continuous flow mixer 2 for mixing, and reacting through a continuous flow reactor 2 to obtain a mixed solution D containing an intermediate B; and respectively pumping the mixed solution D and fuming nitric acid into a continuous flow mixer 3 for mixing, reacting through ...

Protective fence for high-altitude building construction

The utility model relates to a protective fence for high-altitude building construction. The protective fence comprises a plurality of vertically-arranged stand columns and grid units arranged between every two adjacent stand columns. The opposite faces of every two adjacent stand columns are provided with caulking grooves, and the two sides of each grid unit are embedded in the caulking grooves of every two adjacent stand columns and matched with the caulking grooves in a sliding mode. The guardrail has the advantage that the convenience of assembling and disassembling the guardrail is improved.

Constant temperature and humidity air conditioning equipment

... 种恒温恒湿空气调节装置，包括依次循环连接的压缩机、冷凝器、节流阀和蒸发器组成的冷却机组，以及溶液空调机组。新风经过管道分成两路，路通过管道依次连接的第表冷器的风冷通道、送风机、加热盘管的风加热通道与车间连接，车间的回风口通过管道与所述的新风汇合；另路通过第二表冷器的风冷通道与溶液空调机组的处理侧进风口连接，溶液空调机组的处理侧出风口与所述的送风机的入口连接；第表冷器和第二表冷器的冷源回路与所述的蒸发器连接；换热器内的加热盘管与冷凝器和冷却塔通过管道连接为循环回路。本实用新型对于新上的项目高效节能，经济环保；对于改造的项目，极大限度的保留原有的设施，改造简单，效果明显。 ...

Cu-containing low-alloy high-strength steel with yield strength of 600MPa and manufacturing method thereof

The invention relates to Cu-containing low-alloy high-strength steel with yield strength of 600MPa and a manufacturing method of the Cu-containing low-alloy high-strength steel. The steel comprises the following chemical components: 0.02%-0.06% of C, 0.60%-0.70% of Si, 0.10%-0.30% of Mn, less than or equal to 0.010% of P, less than or equal to 0.005% of S, 0.10%-0.25% of Cr, 1.25%-1.45% of Ni, 1.20%-1.40% of Cu, 0.080%-0.150% of Zr, 0.10%-0.20% of Mo, 0.090%-0.190% of Alt and the balance of Fe. The ratio of Ni to Cu is controlled to be 1-1.2, and the balance is Fe and impurities. Through the synergistic effect of Cu, Al, Mn, Ni, Si, Mo, Zr and other elements, the online quenching and high-temperature tempering process is adopted, Cu-containing nano metastable phase dispersion precipitation and Zr and/or Mo carbide precipitation precipitation are formed, and solid solution strengthening is matched, so that the produced steel plate has high strength and excellent low-temperature toughness ...

Design method of L-band local oscillator integrated multi-channel miniaturized frequency conversion assembly

The invention discloses a design method of an L-band local oscillator integrated multi-channel miniaturized frequency conversion assembly, which is suitable for ground electronic reconnaissance equipment, and is characterized in that through integration of multiple assembly functions, a surface-mounted device and a miniaturized local oscillator source are selected, and an interpenetrating technology of radio frequency signals in front and back cavities of the assembly is adopted; according to the L-band multi-channel frequency conversion assembly, the height of a cavity in a structural member of the assembly is ingeniously utilized, the space occupied by each circuit is reasonably divided, the size of the L-band multi-channel frequency conversion assembly in a microwave subsystem is effectively reduced, miniaturization of the assembly is achieved, the L-band multi-channel frequency conversion assembly has obvious advantages in the aspects of the size and the weight compared with a component ...

Movable airship storehouse

The invention relates to a movable airship storehouse which comprises a first movable storehouse body, a second movable storehouse body and an airship storehouse opening and closing system, one side of the first movable storehouse body and one side of the second movable storehouse body are open, and the airship storehouse is formed after the open sides are in butt joint; the airship garage opening and closing system drives the first movable garage body and the second movable garage body to be in butt joint or separated in a flying recovery area of the airship, and the first movable garage body and the second movable garage body are located outside the flying recovery area after separation. An integrated system for storing, releasing, recycling and warehousing the airship is achieved, and the problem that the airship enters and exits from an airship warehouse and is large in transferring risk is solved.

Twitter social information propagation path generation method based on interpersonal propagation

The invention discloses a Twitter social information propagation path generation method based on interpersonal propagation, which comprises the following steps: firstly, collecting Twitter related data to construct a Twitter information propagation concern network, then constructing an interpersonal propagation mode of a social network, carrying out attribute modeling on features in the interpersonal propagation mode, calculating a propagation probability, and generating a Twitter social information propagation path; and finally, generating a new propagation path according to the propagation probability, and further updating the propagation path. According to the method disclosed by the invention, the problem that factors such as user attributes and information attributes are insufficiently considered in an existing information propagation modeling method based on a time sequence is solved by taking information propagation characteristics in a social network and a system mode of Malitz ...

Low-altitude airship adopting ionic wind power

The invention discloses a low-altitude airship adopting ionic wind power. The low-altitude airship is composed of an airship body, ionic wind propellers, a power source system and an empennage. The boat body is an airtight air bag and is filled with buoyancy lift gas to provide lift force. The ionic wind propeller provides power needed by flight for the airship and is composed of a duct, a discharge electrode and a collector electrode, and a plurality of electrode pairs are of an array structure. Charged particles are generated by corona air of the ionic wind propellers, and air flow is accelerated by electrostatic force, so that thrust is generated to push the airship to advance. The power supply system adopts a renewable energy system composed of a thin-film solar cell and an energy storage battery, is matched with a booster circuit, outputs kilovolt-level direct-current high-voltage electricity and provides electric energy for the ionic wind propeller. The empennage comprises a horizontal ...

Water resource monitor

The invention provides a water resource monitor, and relates to the technical field of monitoring equipment, and the water resource monitor comprises a main frame rod which is slidably provided with a sliding sleeve; a floating frame body is arranged on the sliding sleeve; a base is arranged at the bottom end of the main frame rod; four adjusting assemblies are arranged on the base and are distributed in an annular array mode, four sliding frames can be stored in connecting sleeves through the rebound effect of compression springs, impurities accumulated on a filter screen can be removed through the contraction process, the filter screen is effectively prevented from being blocked, and the service life of the filter screen is prolonged. The problems that a vertical rod of an existing water resource monitor is impacted by huge floating objects in a river, the vertical rod shakes violently, the monitoring operation stability of an ultrasonic liquid level sensor above is affected, a filter ...

SCR device SPICE model equivalent circuit for ESD protection

The invention provides an SCR device SPICE model equivalent circuit for ESD protection and a construction method of the SCR device SPICE model equivalent circuit. A simulation model comprises a small current module, a PIN module and a change-over switch module. By adopting the SCR device SPICE model for ESD protection, the fitting degree of a current and voltage simulation curve of the SCR device and an actual current and voltage characteristic curve can be effectively improved during an ESD transmission line pulse test.

Method and system for testing follow-up performance of three-dimensional rotating mechanism

The invention discloses a follow-up performance testing method and system for a three-dimensional rotating mechanism. The testing method comprises the following steps that a follow-up turning instruction is sent to a controller; obtaining an execution result generated when the three-dimensional rotating mechanism executes the follow-up turning instruction; determining a follow-up precision index value of the three-dimensional rotating mechanism based on the execution result; a low-speed turning instruction is sent to the controller; the real-time position of the other end of the pitching mechanism in the process that the three-dimensional rotating mechanism executes the low-speed turning instruction is obtained, and a follow-up position curve is generated; determining a vibration performance index value of the three-dimensional rotating mechanism based on the follow-up position curve; and determining the follow-up performance index value of the three-dimensional rotating mechanism based ...

Narrow window SCR device for ESD protection of high voltage integrated circuit

The invention belongs to the technical field of electrostatic protection, and particularly provides a narrow-window SCR device for ESD protection of a high-voltage integrated circuit, which is used for meeting the design requirements of devices with low trigger voltage and high maintaining voltage in actual ESD protection. According to the invention, two MOS tubes are embedded in a traditional SCR structure, so that an additional shunt path is provided for an SCR path, and the effect of effectively improving the maintaining voltage of a device is achieved; firstly, a parasitic PNP triode with a floating base region is formed by embedding a PMOS (P-channel Metal Oxide Semiconductor) to assist triggering and removing an N + injection region in an N trap of a traditional SCR (Selective Catalytic Reduction) structure, so that the purposes of reducing the trigger voltage of a device and narrowing an ESD (Electro-Static Discharge) protection window are achieved; secondly, the trigger voltage ...

Cantilever macrocyclic binuclear nickel metal complex as well as preparation method and application thereof

The invention discloses a cantilever macrocyclic binuclear nickel metal complex as well as a preparation method and application thereof, relates to the technical fields of synthesis, biology, functional materials, detection and environmental protection, and solves the problems of long macrocyclic complex preparation period and low yield in the prior art. The structure of the cantilever macrocyclic binuclear nickel metal complex disclosed by the invention is shown as a formula A, the preparation method disclosed by the invention comprises the step of synthesizing a precursor as shown in a formula I, N, N-bis (3-aminopropyl)-2-furanmethylamine and a diamine compound through a template method. The complex of the formula A can be well combined with DNA, is embedded into a spiral groove of the DNA, and has relatively strong cutting capability on the DNA. The synthesis method disclosed by the invention is simple, simple and convenient to operate and high in yield.

Non-doped device of d-f transition rare earth complex

The invention relates to an electroluminescent material and a non-doped electroluminescent device made of the electroluminescent material. The electroluminescent device comprises a cathode, an anode and a luminescent layer located between the cathode and the anode, and the luminescent layer is composed of a luminescent d-f transition Ce (III) complex or Eu (II) complex. The luminescent d-f transition Ce (III) complexes have one or more Ce < 3 + > ions as central luminescent ions and ligands that form coordination bonds with the Ce < 3 + > ions, and the first coordination layer around these Ce < 3 + > ions has 3 to 15 coordination atoms, including one or more of C, N, O, F, Cl, Br, I. The non-doped device has better electroluminescent performance than a same doped device, and meanwhile, the manufacturing cost is lower.

Method for analyzing lightning shielding failure characteristics of same-tower four-loop power transmission line based on EGM

The invention relates to an EGM-based same-tower four-loop power transmission line lightning shielding failure characteristic analysis method, and belongs to the technical field of high-voltage power transmission line lightning protection. The method comprises the steps that S1, an EGM-based same-tower four-loop power transmission line model is constructed according to typical design conditions along a project under different topographic conditions, the model considers shielding effects generated between wires of a same-tower multi-loop power transmission line, and influences of shielding relations between the wires and lightning conductors, between the wires and between the wires and the ground are formed; s2, calculating a conductor strike distance, a ground strike distance, a critical shielding failure lightning current, a maximum shielding failure lightning current, a maximum strike distance, an exposure distance, a shielding failure rate and a shielding failure trip-out rate of the ...

Cu-containing low-alloy high-strength steel with yield strength of 900 MPa and manufacturing method of Cu-containing low-alloy high-strength steel

The invention relates to Cu-containing low-alloy high-strength steel with the yield strength of 900 MPa and a manufacturing method of the Cu-containing low-alloy high-strength steel. The steel comprises the following chemical components: 0.041%-0.072% of C, 0.73%-0.88% of Si, 0.20%-0.45% of Mn, less than or equal to 0.010% of P, less than or equal to 0.005% of S, 0.55%-0.70% of Cr, 1.70%-2.00% of Ni, 1.65%-1.95% of Cu, 0.095%-0.165% of Zr, 0.15%-0.25% of Mo, 0.090%-0.195% of Alt and the balance of Fe. The ratio of Ni to Cu is controlled to be 1-1.2; and the balance Fe and impurities. Through the synergistic effect of Cu, Al, Mn, Ni, Si, Mo, Zr and other elements, the off-line quenching and high-temperature tempering process is combined, Cu-containing nano metastable phase dispersion precipitation and Zr and/or Mo carbide precipitation precipitation are formed, and solid solution strengthening is matched, so that the finished steel plate has high strength, excellent low-temperature toughness ...

Carrying module, oiling device and pipeline maintenance robot

The invention discloses a carrying module, an oil coating device and a pipeline maintenance robot, the carrying module comprises a walking unit capable of autonomously moving along the interior of a pipeline and a supporting unit capable of making contact with an upper guide rail in the pipeline, the supporting unit comprises a supporting shell, supporting wheels and an adjusting assembly, and the adjusting assembly is arranged in the supporting shell. The adjusting assembly is rotationally provided with at least one supporting wheel so that the supporting wheel can stretch out of the supporting shell along the interior of the supporting shell. The oiling device is fixed on the carrying module, and the oiling unit is used for oiling the surface of the guide rail in the pipeline; the pipeline maintenance robot comprises the oiling device and further comprises a rotating motor, a flange and a functional module, the rotating motor is fixed to the robot body, the flange is fixed to the output ...

Method for repairing boom of ship loader and installing chute tube

The invention relates to a ship loader cantilever crane repairing and chute tube mounting method. The method comprises the following steps that firstly, cantilever crane firework correction construction is prepared; step 2, carrying out hot work correction on the cantilever crane; step 3, track replacement; fourthly, the sliding cylinder is installed, damaged parts are replaced before installation, and assembly of all the parts of the sliding cylinder system is completed on the ground; during installation, hoisting equipment is used for hoisting to an installation position, the chute tube is hung, and the variable-amplitude hydraulic cylinder is connected through a flange bolt part. By designing a standardized boom repair process, the repair of the deformed part of the boom is facilitated, the chute tube is relatively flexible and convenient to mount, the maintenance steps are clear, and the overall maintenance working efficiency is high.