Polyphosphoric acid composite waste rubber powder modified asphalt as well as preparation method and application thereof

The invention provides polyphosphoric acid composite waste rubber powder modified asphalt as well as a preparation method and application thereof, and belongs to the field of asphalt modification. The polyphosphoric acid composite waste rubber powder modified asphalt provided by the invention is prepared from the following components in parts by mass: 100 parts of matrix asphalt, 15 to 20 parts of waste rubber powder, 4 to 6 parts of compatilizer, 0.5 to 1.0 part of polyphosphoric acid, 1 to 3 parts of stabilizer, 0.05 to 0.15 part of plasticizer and 0.8 to 1.2 parts of activating agent. Experimental results show that the penetration/0.1 mm of the polyphosphoric acid composite waste rubber powder modified asphalt provided by the invention is 60.4-69.5, the softening point is 81.2-92.4 DEG C, the ductility at 5 DEG C is 25.2-42.3 cm, the viscosity at 135 DEG C is 2.23-3.85 Pa.s, and the polyphosphoric acid composite waste rubber powder modified asphalt has low viscosity and good high-temperature ...

Stirring tank for celestite beneficiation and beneficiation method

The stirring tank comprises a tank body, a stirrer is arranged in the tank body, a feeding port and a discharging port are formed in the tank body, a moving track is arranged on the upper side of the tank body, and a discharging suction pipe capable of sliding along the moving track is arranged on the moving track. The celestite ore separation device has the advantages that light particles in celestite ore can be reliably sucked out through the discharging suction pipe, stirred celestite ore sand impurities can be effectively separated through the celestite ore separation device, celestite concentrate with higher purity can be obtained, materials can be rapidly separated after being stirred and layered even for particles with poor flowability, the requirement for the materials is low, and the production cost is low. And meanwhile, the device has the effects of small occupied area, energy conservation, environmental protection, high working efficiency, low material requirement and the like ...

MINI type special-shaped waterproof connector

The utility model discloses a MINI type special-shaped waterproof connector which comprises a first connecting mechanism and a second connecting mechanism, the second connecting mechanism is arranged on the right side of the first connecting mechanism, and the first connecting mechanism comprises a first plastic rubber coating forming body, a first mounting head, a first indicating arrow, a waterproof female head and a female head PIN. According to the MINI type special-shaped waterproof connector, the first plastic rubber coating molding body, the first mounting head, the first indication arrow, the waterproof female head, the female head PIN, the second plastic rubber coating molding body, the second mounting head, the second indication arrow, the waterproof male head and the male head PIN are matched with one another, so that the waterproof effect of the connector can be ensured; the connector is simple in structure and convenient to use, external water is prevented from entering the ...

In-furnace denitration method

The in-furnace denitration method comprises the following steps that S1, a plurality of denitration agent spraying points are arranged along a flue of an incinerator; s2, the temperature of each denitration agent spraying point is monitored in real time, and the temperature range is set; and S3, the denitration agent is sprayed to the denitration agent spraying points within the temperature range. According to the in-furnace denitration method provided by the invention, the optimal ratio of urea to the catalyst is determined, so that ton consumption of urea, NOx emission and ammonia escape are greatly reduced after the urea and the catalyst are put into use according to the optimal ratio, ammonia corrosion in the furnace is relieved, the decoking and coke inhibiting functions are enhanced, nitrogen oxide and ammonia escape are reduced, and the in-furnace denitration effect is improved. And meanwhile, the temperature in the furnace can be more stable, and NOx can be more stably discharged ...

Electronic signal flare of rocket parachute

The invention discloses a rocket parachute electronic signal detonator, the electronic signal detonator comprises an electronic signal part and a fuel gas power part, the electronic signal part comprises an upper barrel, an electronic light-emitting assembly, a parachute and an energy assembly, the electronic light-emitting assembly and the energy assembly are both arranged in the upper barrel, and the fuel gas power part is arranged in the upper barrel. The electronic light-emitting component can be screwed out from the top end opening of the upper barrel; the parachute is folded between the energy assembly and the electronic light-emitting assembly and connected with the electronic light-emitting assembly through a parachute rope. The fuel gas power part comprises a lower barrel, an impact type ignition device, an ignition grain and a rocket propelling grain. According to the invention, a two-section structure is adopted, the main body function part can be used and managed as a common ...

自拍杆手柄（519）

Circular ultra-small signal waterproof connector

The utility model discloses a circular subminiature signal waterproof connector comprising a first waterproof shell sleeve, a waterproof female head, a female head PIN, a male head PIN, a waterproof male head and a second waterproof shell sleeve, the female head PIN is inserted into the waterproof female head, and the male head PIN is inserted into the waterproof male head. According to the utility model, the waterproof female joint and the waterproof male joint are respectively clamped into the first waterproof shell sleeve and the second waterproof shell sleeve through the first clamping groove and the second clamping groove to form fixation, and the female joint PIN and the male joint PIN are respectively inserted into the female joint PIN jack and the male joint PIN jack. The first sealing end and the second sealing end are bonded through glue on the opposite sides of the first waterproof shell sleeve and the second waterproof shell sleeve, the waterproof performance of the connector ...

Application program comprehensive supervision control system and method based on cloud computing

The invention relates to the technical field of cloud computing, in particular to an application program comprehensive supervision control system and method based on cloud computing. The course learning permission management and control module is used for managing and controlling the course learning permission according to the difference between the abnormal construction comprehensive risk value corresponding to the optimal personnel responsibility distribution scheme and the abnormal construction comprehensive risk value predicted in the abnormal construction risk analysis module; and managing the personnel responsibility division form of the to-be-tested project in the application program and the engineering project associated with the to-be-tested project in the application program in the subsequent first unit time and the course learning authority of the personnel in the form. When the application program is supervised and controlled, the submitted data of the administrator in the application ...

Automatic clutch type laminated flexible coupling

The invention relates to an automatic clutch type laminated flexible coupling which comprises a spacing shaft clutch assembly, the two sides of the spacing shaft clutch assembly are connected with mounting disc assemblies, and the spacing shaft clutch assembly is driven by a hydraulic shifting fork unit. A left transfer disc and a right transfer disc are arranged on the two sides of the interval shaft clutch assembly respectively, the inner ends of the left transfer disc and the right transfer disc are fixedly connected with a left transfer shaft and a right transfer shaft respectively, flexible diaphragms are installed between the left transfer disc and the left transfer shaft and between the right transfer disc and the right transfer shaft respectively, and the left transfer shaft and the right transfer shaft are connected with a sliding sleeve through a spline pair. An axial positioning mechanism is arranged between the sliding sleeve and the left adapter shaft, a circumferential guiding ...

Portable bicycle booster unit

... 本实用新型公开了种便携式自行车助力装置，包括编码器和压力传感器以及轮毂电机，所述编码器的输出端和压力传感器的输出端均电连接A/D转换器的输入端，所述A/D转换器的输出端电连接单片机的输入端，所述单片机的输出端电连接轮毂电机的输入端，所述单片机的输入端与适配器的输出端电连接，所述轮毂电机的输入端和适配器的输入端均与电池的输出端电连接，该自行车助力装置采用助力骑行和全电动骑行交替使用，充分发挥各自的优点，人参与了这项运动，可以品出种人机合的乐趣，全电动骑行时，时间长了就会腰酸背痛，无论是国际国内市场新旧车市场，由于该系统价格低廉、工艺简单、助力精确，都有广泛的适用性。 ...

Novel concrete guardrail construction formwork for bridge

... 新型桥梁用混凝土护栏施工模板，包括固定模板、成型膜板、模板锁紧装置，所述成型膜板两侧通过模板锁紧装置连接固定模板，所述模板锁紧装置包括锁紧固定片、锁紧栓，所述固定模板上部具有模板契合凸起，所述模板契合凸起截面为梯形，所述模板契合凸起两侧具有下密封槽，所述下密封槽连接密封条底部，所述模板契合凸起中部具有护栏浇筑槽，所述护栏浇筑槽结构与护栏顶部相适应，所述固定模板两侧具有锁紧配合法兰，所述固定模板上部连接内模板底部，所述内模板底部具有内契合槽，所述内契合槽中部具有成型孔，所述内契合槽连接模板契合凸起，所述内契合槽两侧具有上密封槽，所述上密封槽连接密封条上部。 ...

External hanging type support with lifting function

An external hanging type support with a lifting function comprises a bearing frame, the bearing frame is provided with a base and a pair of limiting frames, the two limiting frames are vertically arranged, and the space between the two limiting frames forms a containing cavity; the lifting device is mounted in the accommodating cavity and can be connected with the square cabin body; the driving devices are arranged in the containing cavity, the top ends of the driving devices are connected with the lifting device, the bottom ends of the driving devices are connected to the base of the bearing frame, and the driving devices can drive the lifting device and the bearing frame to move up and down; and the locking assembly is installed at the lower position of the base of the bearing frame and can be locked with the square cabin body, and therefore locking connection between the bearing frame and the square cabin body is achieved. The device has the advantages that the externally-hung support ...

Anti-toppling transfer handcart for high-voltage switch cabinet

The invention relates to an anti-toppling transfer handcart for a high-voltage switch cabinet, which comprises a rear body, a bearing beveled body, working arms, a tray structure, a lifting structure, a rear driving wheel and a front driven wheel, and is characterized in that the rear body is vertically arranged, the working arms are arranged on the right side of the rear body, and one ends of the two working arms are symmetrically mounted on the front side and the rear side of the rear body; the bearing bevels are arranged on the left side of the rear body and symmetrically installed on the front side and the rear side of the rear body. The rear main wheel is installed on the bearing beveled body, the front driven wheel is installed at the bottom of the other end of the working arm, a sliding way is formed in the right side face of the rear body, and the tray structure is installed on the sliding way through a lifting structure and can move up and down along the sliding way through the ...

BACKLIGHT SOURCE PLASTIC/METAL STRUCTURE, PREPARATION METHOD THEREFOR, BACKLIGHT SOURCE, AND DISPLAY DEVICE

A backlight source plastic/metal structure, a preparation method therefor, a backlight source, and a display device. The backlight source plastic/metal structure comprises a back plate (10) and a plastic frame (20). The back plate (10) has a substrate (11) and a plurality of folded edges (12). A plurality of recessed portions (13) is provided at joints of the substrate (11) and bending parts of the folded edges (12), each recessed portion (13) being provided with a connecting hole (131) and a stopping surface (132). The plastic frame (20) comprises a plastic frame body (21) having an integrated structure, connecting bodies (22) in one-to-one correspondence to the connecting holes (131), and stopping bodies (23) in one-to-one correspondence to the recessed portions (13). The plastic frame body (21) is located in a backlight module receiving groove (14). Each stopping body (23) is located in the corresponding recessed portion (13) and presses against the stopping surface (132) provided at ...

FRAME AND BACK LIGHT EMPLOYING SAME

Provided are a frame and a back light employing the frame. The frame comprises a long frame member (11) and two short frame members (12) located at two sides of the long frame member (11). The long frame member (11) and the two short frame members (12) correspond respectively to a long side and two short sides of a rectangular back panel. The long frame member (11) has a first arc-shaped structure (I) formed by bending the long frame member (11) inwardly at a central location with respect to two ends thereof. Each of the two short frame members (12) has second arc-shaped structures (II) formed by bending two ends of the short frame member inwardly with respect to a central location thereof. The long frame member (11) and the short frame members (12) are provided with first connection members at the respective central locations thereof and at locations near the respective two ends thereof for engaging with the rectangular back panel. The frame can simplify a structure of a related mold, ...

PWM wave adaptive delay circuit with strong anti-interference capability

The invention discloses a PWM (Pulse Width Modulation) wave adaptive delay circuit with strong anti-interference capability, which belongs to the field of semiconductor integrated circuits and comprises a sampling circuit, a filter circuit, a comparator circuit and a logic control circuit. The sampling circuit samples a current signal and converts the current signal into a voltage signal; the filter circuit filters the interference signal; the comparator circuit is used for comparing the filtered voltage signal with a set reference voltage; and the logic control circuit performs logic operation on the delay voltage signal, the 3.5 V voltage signal, the 2.5 V voltage signal and the CLK voltage signal. According to the invention, setting of conduction dead zone time of upper and lower power tubes of the driving module is realized through a simple and practical structure; the circuit is simple, the anti-interference capability and the adaptive capability are strong, the conduction dead zone ...

Core database management system

According to the core database management system provided by the invention, storage, calculation, snapshot, historical management and the like are effectively performed on data based on the characteristics of tag points, so that a plurality of modules such as tag point information service, snapshot service, historical data service, real-time equation service and the like are effectively and organically combined; and the service modules are fused into one system, so that each resource is brought into full play, and greater flexibility is brought.

MULTI-MOTOR FAILURE CONTROL METHOD FOR DISTRIBUTED DRIVE CITY BUS

A multi-motor failure control method for a distributed drive city bus, comprising: when a failure occurs in a drive motor and a motor controller of a vehicle, determining whether the failure is a severe failure; if yes, stopping power output of the corresponding motor; and if not, limiting the power output of the corresponding motor. By hierarchically handling motor failures and only performing power output processing on a failed motor, the method effectively avoids the unreasonable phenomenon of directly stopping a vehicle once a failure occurs in a drive motor.

TELEVISION BROWSER CONTROL METHOD AND DEVICE

Disclosed are a television browser control method and device, the method comprising: acquiring the webpage structure characteristics of a webpage to be visited, the webpage structure characteristics comprising the size of the webpage DIV division elements and the corresponding position of the DIV elements in the webpage; determining whether the webpage structure characteristics satisfy a preset condition; if yes, then maintaining or switching the mode of a remote control to focus switching mode; if not, then maintaining or switching the mode of the remote control to mouse movement mode, the preset condition comprising that the size of the webpage DIV elements satisfies a preset size, and the proportion of the total area of the combination of neighboring DIV elements in the area of the webpage to be visited is greater than or equal to a preset threshold. The present invention selects the focus switching mode or the mouse movement mode according to the differences between webpage structures ...

SERIES-PARALLEL HYBRID POWER SYSTEM AND VEHICLE COMPRISING SAME

The present invention provides a series-parallel hybrid power system and a vehicle comprising same, in order to increase a motor output torque. The series-parallel hybrid power system comprises a planetary gear set; the planetary gear set has three power input ends and a power output end; the hybrid power system further comprises an engine, a first motor, and a second motor correspondingly and transmittingly connected to the three power input ends, respectively; an engine output shaft, a first motor output shaft, and a second motor output shaft are non-coaxially arranged; the hybrid power system comprises an engine locking mechanism used for locking the power input end corresponding to the engine; a gearbox is provided between at least one of the first and second motors and the corresponding power input end of the planetary gear set. The gearbox can change a high rotation speed of the motor to a low speed, and change a low torque of the motor to a high torque, thereby increasing the torques ...

BACK PLATE, RUBBER-IRON INTEGRATED STRUCTURE, BACKLIGHT MODULE AND DISPLAY DEVICE

A back plate, a rubber-iron integrated structure, a backlight module and a display device. The back plate is provided with a first through hole; an inner wall and an outer wall of the first through-hole form a convex structure (110, 210, 310) on the back plate. When the back plate is used for combining with a rubber frame (12, 22, 32) to form the rubber-iron integrated structure, the rubber frame (12, 22, 32) can be in contact with the inner wall of the first through-hole and can also be in contact with the surface of the convex structure (110, 210, 310), so the contact area of the rubber frame (12, 22, 32) and the back plate is increased, and the binding force between the rubber frame (12, 22, 32) and the back plate can be increased, and even if the rubber frame (12, 22, 32) shrinks in an environment of high temperature and/or high humidity and the like, the rubber frame (12, 22, 32) and the back plate do not separate easily, and the stability of the rubber-iron integrated structure formed ...

METHOD FOR DETECTING FUSE STATUS OF HIGH-CURRENT RECTIFIER DEVICE

The present invention relates to a method for detecting the fuse status of a high-current rectifier device; the method achieves the objective of fuse status detection via simultaneously detecting normally open nodes and normally closed nodes of the fuse using scanning method; a scan line scans the common end of an auxiliary node of the fuse arm by arm in units of rectifier arms; the normally open nodes of each fuse on the rectifier arm are connected with the recoil lines of the normally open nodes, and the normally closed nodes of each fuse are connected with the recoil lines of the normally closed nodes; the normally open nodes and normally closed nodes of fuses of each rectifier arm respectively share one recoil line, wherein the normally open nodes and normally closed nodes are at the same physical location. The beneficial effects of the present invention are: improving the accuracy of fuse status detection in strong magnetic field and high vibration of the high-current rectifier valve ...

Signal end structure of upper wire outlet type oval waterproof connector

The utility model discloses an upper wire outlet type oval waterproof connector signal end structure comprising a connector body which is composed of a waterproof module, a waterproof connector male head, a signal male head PIN needle, a waterproof connector female head, a signal female head PIN needle and a wire outlet head, and the waterproof connector female head is located on one side of the waterproof module. One end of the waterproof connector male head is inserted into one end of the waterproof connector female head in a penetrating mode, one end of the signal male head PIN is inserted into one end of the waterproof connector male head in a penetrating mode, and one end of the signal female head PIN is inserted into the other end of the waterproof connector male head in a penetrating mode. And the other end of the signal female head PIN is inserted into one end of the waterproof connector female head. The waterproof connector has the advantages of being capable of improving connection ...

MINI type special-shaped waterproof connector

The utility model discloses a MINI type special-shaped waterproof connector comprising a first connecting sleeve and a second connecting sleeve, and the first connecting sleeve comprises a first connecting sleeve body and a first connector. According to the utility model, the first connecting sleeve, the first connecting sleeve body, the first connector, the second connecting sleeve, the second connecting sleeve body, the second connector, the waterproof female head, the female head PIN, the waterproof male head and the male head PIN are matched with one another, so that the structure of the connector is simpler, the size and the weight of the connector are smaller, consumed resources are less during production, and the production efficiency is improved. The water-proof connector has the advantages that the production cost is reduced, the water-proof effect of the connector is good, when the water-proof connector is used, water is not easy to enter the interior of the connector, faults ...

BACKLIGHT MODULE AND DISPLAY DEVICE

A backlight module and a display device. The backlight module comprises: a back plate (100) comprising a bottom plate (101) and at least one side wall, the bottom plate (101) and the side wall together forming an accommodating space; and a frame (200) at least partially accommodated in the accommodating space formed by the bottom plate (101) and the side wall, the frame (200) comprising at least one external frame surface disposed opposite to the side wall of the back plate (100). A plurality of hooks (300) is provided on the external frame surface of the frame (200), and a plurality of fastening portions corresponding to the plurality of hooks (300) is provided on the side wall of the back plate (100). The hook (300) comprises a first portion (301) connected with the external frame surface of the frame (200) and a second portion (302) bent and extending from the first portion (301). The fastening portion comprises a slot portion (401) and a limiting baffle portion (402) located around ...

Method for recycling antimony, lead and precious metal through sulfuration reduction smelting of arsenic-lead-removed anode slime

The invention relates to a method for recovering antimony, lead and precious metals by vulcanizing, reducing and smelting arsenic-removed lead anode slime, which specifically comprises the following steps of: grinding the arsenic-removed lead anode slime, a reducing agent, a vulcanizing agent and a slag former to a certain particle size, and mixing according to a certain proportion; the mixture is fed into a reduction smelting furnace for reduction smelting, the smelting temperature and the smelting time are controlled, lead-antimony alloy is generated, and precious metal is captured; the reducing agent is at least one of coke, pulverized coal, natural gas or semi-coke; the vulcanizing agent is at least one of lead sulfide, zinc sulfide or arsenic sulfide; the slag former is at least one of sodium carbonate or sodium hydroxide. Compared with the prior art, the characteristic that the combining capacity of a sulfur component in the vulcanizing agent and a sodium component in the arsenic-removed ...

High-speed train brake pad material containing fibrous copper-based powder

The invention relates to a high-speed train brake pad material containing fluidized efficient oxidized fibrous copper-based powder. Belongs to the technical field of brake material development. Raw materials used in the method comprise, by mass, 35%-58% of copper powder, 10%-20% of iron powder, 2%-8% of zirconium dioxide, 5%-15% of ferrochrome powder, 15%-20% of graphite and 1%-5% of molybdenum disulfide. The content of fibrous copper powder in the copper powder is greater than or equal to 45%; the particle size distribution of the fibrous copper powder is as follows: 5-6wt% of copper powder with the particle size of less than 5 microns; 59-65 wt% of copper powder with a particle size of 5-20 [mu] m; and the particle size is greater than 20 microns and less than or equal to 45 microns: 30-33 wt%. The material can be prepared through an existing conventional powder metallurgy method. The obtained product is high in hardness, high in shear strength and high in compressive strength, the friction ...

METHOD, DEVICE AND SYSTEM FOR VERIFYING BINDING DATA CARD AND MOBILE HOST

Provided are a method, device and system for verifying a binding data card. The method includes: receiving identification information sent by a mobile host, with the identification information being for identifying products of the same type or batch and located at an OEM information area of the Basic Input Output System in the mobile host; judging whether or not the identification information is consistent with the that in the data card software； if consistent, then the verification of the data card is passed. In the embodiments of the present invention, there is no longer any need for the data card to request binding toward a device in use when the data card is used； instead, it can be verified by directly comparing the identification information sent by the mobile host with that in the data card. The binding between the data card and multiple mobile hosts of the same type or batch is achieved because the identification information in the embodiments of the present invention can be used ...

WELDING ASSEMBLY AND BATTERY MODULE

Provided in the present application are a welding assembly and a battery module. The welding assembly comprises: a first welding piece, and a second welding piece that is welded and fixed to the first welding piece to form a weld seam, at least one side of the weld seam being provided with an exhaust channel, and the exhaust channel being located between the first welding piece and the second welding piece. In the present application, exhaust gas generated during welding may be discharged from the exhaust channel so as to prevent the gas from entering the weld seam and reducing the strength of the weld seam.

INFORMATION PUSH METHOD AND DEVICE

Provided is an information push method, in which a search server can call a natural search service to perform a search operation on the searched words, so as to obtain a natural search list including a first threshold number of natural search materials and first evaluation scores of the natural search materials, calls a push information search service to perform a search operation on the searched words so as to obtain a push information list including a second threshold number of push materials and second evaluation scores of the push materials, combines the first evaluation scores and the second evaluation scores of materials in both the natural search list and the push information list, and re-sequencing the natural search materials according to the overall evaluation scores to push the re-sequenced natural search materials.

Water heater - boiler integration economizer

... 热水器?锅炉体化节能装置，包括软水箱、软水泵、热水箱、锅炉，树脂交换器连接软水箱，软水箱通过软水泵连接热水箱，热水箱连接太阳能集热板，热水箱连接锅炉，所述热水箱、锅炉均连接蒸汽管，所述热水箱、锅炉均连接供水管。本实用新型种热水器?锅炉体化节能装置，既可通过太阳能集热板收集的热量来减少锅炉的天然气消耗，又能在阳光不足时保证热水供应，做到互相平衡；整个过程通过自动控制，无需人工调节，非常方便。 ...

Aggregate through hole pass structure of boats and ships bulkhead board

... 本实用新型公开了一种船舶舱壁板的骨材贯穿孔孔型结构，包括位于该贯穿孔开口两侧的水平直线，位于左侧的直线端部连接第一弧线，第一弧线上端连接第二弧线，第二弧线上端连接上半腰圆，该上半腰圆的右下端连接第三圆弧，第三圆弧的下端连接第四圆弧，该第四圆弧另一端与贯穿孔开口右侧的直线连接，贯穿孔为非对称型孔。针对船用非对称骨材，降低孔边应力集中系数，提高船舶疲劳强度；对于裂纹经常出现在扶强材的焊趾根部，新式设计常采用去除扶强材的方法，但会引起孔边应力提高。采用此孔型可以在减少应力集中系数的同时减少应力集中点，满足新式设计要求，从而减少了疲劳源；孔型较现有新式孔型容易定位，加工方便。 ...

Universal handcart switch loading vehicle structure

The invention discloses a universal handcart switch loading vehicle structure, and relates to the technical field of handcart switch cabinets, the universal handcart switch loading vehicle structure comprises a mobile frame and an adjustable supporting plate arranged on the mobile frame, and further comprises a bearing mechanism arranged on the adjustable supporting plate and used for bearing a handcart switch; the driving mechanism is provided with a first stroke used for driving the bearing mechanism to vertically ascend and descend and a second stroke used for driving the bearing mechanism to transversely slide. According to the universal handcart switch loading vehicle structure provided by the invention, the bearing mechanism is transversely adjusted by means of the second stroke of the driving mechanism, so that the bearing mechanism can automatically take out (or push in) a handcart switch from a handcart type switch cabinet without manual rotation of a handle; and the maintenance ...

Double-motor power head for drilling machine and use method of double-motor power head

The invention belongs to the technical field of coal mines. Relates to a double-motor power head for a drilling machine and a using method thereof, the double-motor power head for the drilling machine comprises a driving box body, two input shafts and an output shaft connected with a drilling rod are arranged in the driving box body, and the two input shafts are both in transmission connection with the output shaft; each input shaft is connected with a motor, and single-motor or double-motor driving is achieved by controlling the working states of the two motors, so that the output rotating speed of the power head is controlled. According to the double-motor power head for the drilling machine, the double motors are adopted as a power source, the output requirements of the rotating speed and the torque in different working states can be met, in the normal drilling process, the double motors are adopted for simultaneous driving, and efficient drilling and rapid deslagging are achieved; and ...

Cleaning equipment provided with control assembly and used for electrified electrical equipment

The cleaning equipment comprises a brush wheel, a driving mechanism, a brush wheel linkage mechanism and an insulating operation rod, the driving mechanism is arranged at the position adjacent to the brush wheel and away from the handheld position and used for converting electric energy into mechanical energy, the output end of the driving mechanism is mechanically connected with the brush wheel linkage mechanism, and the brush wheel linkage mechanism is used for driving the brush wheel to rotate. The brush wheel linkage mechanism is connected with the plurality of brush wheels and is used for driving the plurality of brush wheels to rotate, the driving mechanism comprises a high-power rotating motor, a battery and a control assembly, and the control assembly comprises an electricity approaching alarm and a control circuit. An alarm voltage selection switch, a power switch, an alarm switch and device body control buttons are arranged on the control circuit, the power switch is used for ...

High-vacuum glass spatial filter device for light beam transmission

A high-vacuum glass spatial filter device for light beam transmission comprises two lenses and a high-vacuum glass tube, and the vacuum glass tube is formed by welding and sealing a glass tube and two pieces of light-passing window glass; a hole is formed in the middle position in the vacuum glass tube; the method is characterized in that a non-evaporation type getter is arranged on one side of the hole and can be activated in a heating mode; protruding or sunken limiting areas are arranged at the two ends of the middle position of the inner wall of the vacuum glass pipe, the non-evaporation type getter is arranged in the limiting areas, and under the structure, effective transmission of light beams is not affected, and meanwhile the activated getter can maintain the high vacuum degree in the pipeline for a long time. The annular laminated structure getters are packaged at two sides of a diaphragm position in a vacuum environment and are used after being activated in a heating mode, the ...

Ocean sealing method for carbon dioxide hydrate

The invention discloses a carbon dioxide hydrate ocean sealing method which comprises the following steps: 1, acquiring carbon dioxide gas by utilizing a carbon dioxide trapping technology and storing the carbon dioxide gas; 2, preparing a carbon dioxide hydrate and canning the carbon dioxide hydrate; and step 3, putting the canned carbon dioxide hydrate into the deep sea seabed in which the carbon dioxide hydrate is sealed for a long time. The method has the technical effects that the carbon dioxide hydrate is used for sealing the deep sea bottom, the problems of ocean acidification, biological death and the like caused by ocean carbon sealing can be effectively solved, the forms of the concrete sealing tank and the carbon dioxide hydrate are kept stable under the high-pressure and low-temperature conditions of the deep sea bottom, and sealed carbon dioxide is prevented from directly entering the ocean; safe and efficient sealing of marine carbon dioxide is realized.

BATTERY MODULE

Provided in the present application is a battery module, comprising multiple secondary batteries and connecting pieces. The multiple secondary batteries are sequentially arranged along the thickness direction; a battery pole is arranged at the top of each secondary battery; the connecting piece is arranged at the top of the secondary battery; the connecting piece is connected to at least two battery poles to electrically connect at least two secondary batteries; the connecting piece comprises a first fixed connecting piece and a second fixed connecting piece; the first fixed connecting piece and the second fixed connecting piece are in snap-fitting engagement along the extension direction of the connecting piece. The present application can solve the problem of connection reliability between the connecting piece and the battery pole.

MME-BASED USER DATA STORAGE METHOD AND SYSTEM

Disclosed are a mobile management entity (MME)-based user data storage method and system. The method comprises: after receiving user data released by an S1 interface, an MME stores the user data to a home subscriber server (HSS) or a preconfigured storage device; and when receiving a downlink packet sent by a serving gateway (SGW) side or an uplink packet sent by a user equipment (UE) side, the MME obtains the user data from the HSS or the preconfigured storage device, and performs a corresponding paging process according to a standard 3rd Generation Partnership Project (3GPP) protocol.

Guide wire straight line and rotation synchronous execution mechanism, surgical instrument and surgical robot

The invention belongs to the technical field of medical apparatuses and instruments, and provides a guide wire straight line and rotation synchronous execution mechanism, a surgical instrument and a surgical robot, and the guide wire straight line and rotation synchronous execution mechanism comprises a first guide wire driving wheel connected with a first driving mechanism; the second guide wire driving wheel and the first guide wire driving wheel are arranged in parallel; the middle of the traction steel wire is connected with the second driving mechanism, and two ends are respectively connected with one ends of the first driving mechanism and the second driving mechanism; under the driving of the first driving mechanism, the first guide wire driving wheel can be driven to rotate, so that a guide wire clamped between the first guide wire driving wheel and the second guide wire driving wheel is driven to do linear motion; meanwhile, the axial movement of the first guide wire driving wheel ...

Threaded direct-insertion electric vehicle waterproof connector

The utility model discloses a threaded direct-insertion waterproof connector for an electric vehicle. The threaded direct-insertion waterproof connector comprises a first shell sleeve, a first male-head PIN, a second male-head PIN, a first insertion mechanism, a first connecting mechanism, a second connecting mechanism, a second insertion mechanism, a first female-head PIN, a second female-head PIN and a second shell sleeve. The waterproof male head and the waterproof female head are connected with the first connecting mechanism and the second connecting mechanism in an inserted mode through the first clamping part and the second clamping part respectively, threaded connection is conducted through the threaded sleeve and the nut, the sealing performance of the connecting position is greatly improved, short circuit of the connector caused by water inflow is prevented, and the service life of the connector is prolonged. And meanwhile, the waterproof sealing rings are sleeved in the first ...

Sterile isolation cover sheet capable of moving telescopically and method

The invention provides a sterile isolation cover sheet capable of moving telescopically and a method, the sterile isolation cover sheet comprises a cover body, two driving adapter plates arranged on the cover body and a constraint piece, the driving adapter plates are arranged on the cover body, and a certain distance is formed between the two driving adapter plates; a hollow channel is formed in the portion, between the two driving adapter plates, of the cover body, a restraining piece is arranged in the hollow channel, and the two ends of the restraining piece extend to the different driving adapter plates respectively to provide restraining force for the opposite or opposite movement of the driving adapter plates. The cover body can be prevented from being in contact with instruments such as a catheter and a guide wire, so that the influence on surgical operation is avoided.

AUTOMATIC LABEL AFFIXING APPARATUS AND METHOD AND ASSEMBLY FIXTURE AND METHOD

An automatic label affixing apparatus and method and an assembly fixture and method. The automatic label affixing apparatus comprises: an affixing platform (101) provided with an affixing surface (1011); an affixing unit (102) provided with a label supporting surface (1021); and a separating unit (103). The separating unit (103) is used for separating a label (104) from a label backing paper (105) to the label supporting surface (1021) and for keeping an adhesive surface (1041) of the label (104) away from the label supporting surface (1021). The label supporting surface (1021) is configured to keep the adhesive surface (1041) of the label (104) higher than the affixing surface (1011) when the label (104) is present on the label supporting surface (1021). The affixing platform (101) is an operating platform for the assembly fixture.

METHOD AND SYSTEM FOR PROCESSING INTERACTIVE USER OPERATION INFORMATION OF DIGITAL TV

Disclosed are a method, a system, and a related device for processing interactive user operation information of a digital TV, which are used to safely store the user operation information, prevent the user operation information from being captured or attacked, improve convenience of the user operation, and obtain desirable user experience. The method according to the embodiments of the present invention comprises: sending an information request message to a matching remote control, the information request message comprising first operation information, so that the matching remote control searches, according to the first operation information, for second operation information matching the first operation information; and receiving the second operation information matching the first operation information and sent by the matching remote control.

Electrically large target broadband RCS (Radar Cross Section) acquisition method based on communication base station

The invention provides an electrically large target broadband RCS (Radar Cross Section) acquisition method based on a communication base station. The method comprises the following implementation steps: 1) subdividing the surface of an electrically large target; 2) defining an RWG primary function on the triangular patch; 3) initializing parameters; 4) calculating Chebyshev frequency sampling points in the frequency band f based on CAT; 5) calculating the surface current at each Chebyshev frequency sampling point by adopting an equivalent dipole moment method and a moment method; 6) calculating the surface current of the wave number ka corresponding to each frequency point; and 7) obtaining the radar cross section RCS of the electrically large-size target. According to the method, on the basis of the Chebyshev approximation method CAT, the calculation time of the impedance matrix is greatly shortened by combining the equivalent dipole moment method, and the calculation efficiency of the ...

VEHICLE, SERIES-PARALLEL HYBRID POWER SYSTEM, AND METHOD FOR CONTROLLING HYBRID POWER SYSTEM

Disclosed are a series-parallel hybrid power system, a control method therefor, and a vehicle comprising the series-parallel hybrid power system. The series-parallel hybrid power system comprises a second electric motor (11), a speed change mechanism (9) connected to the second electric motor (11), and an engine (1), a first electric motor (4) and a system output shaft (12) coupled by means of a planetary gear mechanism (8). A gear shift device (10) is arranged between the system output shaft (12) and the second electric motor (11). The gear shift device (10) can realise a gear shift in the speed change mechanism (9) during the course of action. The series-parallel hybrid power system solves the technical problem in the prior art of a single mode of pure electric operation.

High-energy high-frequency impactor

An upper connector of the high-energy high-frequency impactor is connected with an outer cylinder through threads, the lower end of the outer cylinder is connected with a spline sleeve through threads, a spline of a drill bit is matched with a spline groove in the spline sleeve and provided with a semicircular clamp, and a sealing sleeve, a cylinder sleeve, an inner cylinder and a gland are sequentially in sealed butt joint from bottom to top in the outer cylinder; the middle part of the piston penetrates through the cylinder sleeve with a gap, and the lower part of the piston is radially shrunk, is glidingly sealed by the sealing sleeve and then extends out to be in contact with the top surface of the drill head; the lower core tube is inserted into a center hole of the piston in a sliding sealing manner, the top brim of the lower core tube is in interference fit with the inner cylinder, the lower tube barrel of the upper core tube is in interference sealing butt joint with the upper tube ...

Sterile isolation device and method and surgical system

The invention provides a sterile isolation device and method and a surgical system. The sterile isolation device comprises a cover body and a driving adapter plate arranged on the cover body, and the driving adapter plate is provided with a first clamping mechanism used for being connected with a mechanical arm/platform side and a second clamping mechanism used for being connected with a driving box side; a plurality of through holes are formed in the driving adapter plate, adapter shafts are detachably arranged in the through holes, the inner edges of the adapter shafts are connected with the motor shaft in a matched mode, and the peripheries of the adapter shafts are connected with the driving box in a matched mode; a group of contact pins are arranged on the driving adapter plate, two ends of each contact pin are respectively provided with a contact, and an elastic structure is arranged in the middle of each contact pin. According to the invention, sterile isolation between the catheter ...

Plate splicing method for range ruler medium-thickness plate product

The invention provides a plate splicing method for a range ruler medium-thickness plate product, and relates to the technical field of automation. According to the method, an initial board splicing scheme of a range ruler product is generated, a board splicing mode validity criterion is determined, a new board splicing mode is generated according to the board splicing mode validity criterion, and a candidate board splicing mode set is obtained; selecting an effective board splicing mode from the candidate board splicing modes to generate a partial board splicing scheme, and adjusting the candidate board splicing modes to generate an all board splicing scheme, namely, forming a final board splicing scheme of the range ruler product; and the final plate splicing scheme is issued to a production line to be executed, and production and cutting of the range ruler medium-thickness plate product are completed. By optimizing and determining the length of the thick plate product in the range ruler ...

Highway is fastener for bridge

... 高速公路桥梁用紧固件，包括护栏柱、对接紧固装置，所述对接紧固装置包括对接件、紧固套，所述对接件两侧具有护栏柱对接槽，所述护栏柱对接槽具有紧固螺纹，所述对接件两侧具有紧固套固定槽，所述紧固套固定槽截面为阶梯型，所述紧固套固定槽连接紧固套侧，所述紧固套结构与对接件相适应，所述对接件外径与紧固套外径相等，所述紧固套内部具有固定锁紧槽，所述固定锁紧槽侧连接对接件端，所述固定锁紧槽另侧连接护栏柱，所述护栏柱端部具有紧固柱，所述紧固柱插入护栏柱对接槽中，所述紧固柱侧壁具有配合螺纹，所述配合螺纹与紧固螺纹相互啮合。 ...

Novel road bridge changeover portion roadbed structure device

... 本实用新型涉及种新型路桥过渡段路基结构装置，其组成包括：底部斜支撑杆，其特征是:所述的底部斜支撑杆的底端连接接路扇形板，所述的接路路扇形板开有组插孔，所述的插孔连接插地直杆，所述的插地直杆的顶部连接限位板，所述的插地直杆的下部连接组倒刺，所述的底部斜支撑杆的顶端连接底斜插套，所述的底斜插套连接中部斜支撑杆，所述的中部斜支撑杆连接中间斜插套，所述的中间斜插套连接顶部斜支撑杆，所述的顶部斜支撑杆连接顶端斜插套，所述的底斜插套、所述的中间斜插套、所述的顶端斜插套均连接竖插套，所述的竖插套连接升降支承杆。 ...

Ambiguity confirmation model training method, ambiguity confirmation method and ambiguity confirmation device

The invention discloses a training method of an ambiguity confirmation model and an ambiguity confirmation method and device, and belongs to the technical field of positioning. Firstly, sample positioning data is acquired; extracting feature information of the sample positioning data; and training a neural network model according to the feature information of the sample positioning data to obtain an ambiguity confirmation model. And then, inputting the feature information of the target positioning data into the ambiguity confirmation model to obtain a confirmation result of the ambiguity corresponding to the target positioning data. Through the scheme disclosed by the invention, the accuracy of ambiguity confirmation can be improved.

Intelligent queuing and calling system for digital science and technology deep integration hall management and marketing scene

The invention discloses an intelligent queuing and calling system for a digital science and technology deep fusion hall scene, which realizes online and offline appointment queuing-free, so that common people can appointment to take numbers at home and do not need to run for multiple times; customer identity active identification is provided, refined and differentiated services are realized, and marketing contacts are activated; the business is guided by data, the queuing and calling conditions of the hall are monitored, analyzed and managed in real time, and the quality and efficiency of the business are improved; and a high-availability queuing and calling algorithm model is provided and can be customized and implemented according to a real production scene, so that the code writing maintenance cost is effectively reduced.

Digital pre-distortion method capable of integrating and correcting frequency response of short-wave power amplifier, storage medium and equipment

The invention aims to solve the problems that the transmission efficiency of a communication system is reduced, adjacent channel interference is generated, the bit error rate of a receiver is increased and the stability of the whole short-wave transmitter is influenced because behavior characteristics of different frequency points in the working bandwidth of the short-wave transmitter are different when the short-wave transmitter adopts a digital pre-distortion technology for improving the efficiency of the transmitter. The digital pre-distortion method, the storage medium and the equipment can integrate and correct the frequency response of the short-wave power amplifier. The method comprises the following steps: dividing a short-wave frequency into K frequency intervals, performing amplitude indexing on frequency points in each frequency interval to obtain a self-adaptive pre-distortion coefficient and a lookup table, dividing the short-wave frequency into M frequency intervals, and performing ...

Closed slot type electric connector terminal

The utility model discloses a closed groove type electric connector terminal which comprises a terminal body and a closed groove, the terminal body is sleeved with the closed groove, the side face of the closed groove is provided with a plurality of open grooves, one end of the closed groove is provided with a fixing ring, the two sides of the inner wall of the fixing ring are provided with grooves, and one side of each groove is provided with a bearing block. Clamping connection structures are arranged in the grooves, each clamping connection structure comprises a connecting piece located at one end in the corresponding groove, an elastic clamping piece is connected to one end of each connecting piece, a connecting block is arranged at the end, away from the corresponding connecting piece, of each elastic clamping piece, a movable plate is connected to the upper end of each connecting block, and a spring is arranged between each movable plate and the interior of the corresponding groove ...

Horizontal expanding die for water pump end ring

The invention belongs to the field of dies, and particularly relates to a horizontal expanding die for a water pump end ring, the horizontal expanding die comprises a male die, a female die assembly, a male die fixing device and a female die fixing device, the male die comprises a working part and a connecting part; the female die assembly comprises a limiting ring and a limiting working assembly. The male die fixing device comprises a fixing plate, a male die fixing seat and a male die base plate. The female die fixing device comprises a female die gasket and a female die fixing seat; through specific design of the die, targeted expansion of the small-size end ring is achieved, meanwhile, the possible problem that after workpiece expansion is completed, a workpiece and a female die assembly are tightly attached and are not convenient to disassemble in the expansion process is considered, the practicability of the specific structure is embodied, and in addition, the die is suitable for ...

Effect improving system of air cooling unit

The invention provides an air cooling unit efficiency improving system, and relates to the technical field of thermal power generation, the air cooling unit efficiency improving system comprises a photovoltaic power generation device, the photovoltaic power generation device comprises a plurality of supports and a plurality of photovoltaic cell panels, each support is vertically arranged between two heat exchangers, and the top end of each support is rotatably provided with the plurality of photovoltaic cell panels; the photovoltaic cell panel rotates at the top end of the support so that the photovoltaic cell panel can be switched among the horizontal shielding state, the inclined opening state and the vertical cleaning state. The rotation control devices are arranged on the corresponding brackets and are used for controlling the corresponding photovoltaic cell panels to rotate at the top ends of the corresponding brackets; and a plurality of air cooling island fans are correspondingly ...

LIGHT SOURCE, BACKLIGHT MODULE AND MANUFACTURING METHOD THEREFOR, AND DISPLAY DEVICE

Disclosed are a light source, a backlight module and a manufacturing method therefor, and a display device. The light source (1) comprises a light-emitting element (11) and a circuit board (12) for supplying power to the light-emitting element (11), wherein the circuit board (12) comprises a first base plate (121) and a first side plate (122); the first base plate (121) and the first side plate (122) are connected to form a bending structure; and the light-emitting element (11) is attached to the first side plate (122) and is located on the same side of the first side plate (122) as the first base plate (121).

Zinc oxide-metal lithium composite negative electrode with three-dimensional structure and preparation method of zinc oxide-metal lithium composite negative electrode

The invention belongs to the technical field of lithium secondary batteries, and particularly relates to a zinc oxide-metal lithium composite negative electrode with a three-dimensional structure and a preparation method thereof, zinc oxide and metal lithium are deposited in a foamy copper framework, and compared with a lithium sheet negative electrode, the metal lithium negative electrode with the three-dimensional structure has a large specific surface area, so that the specific surface area is large; and the current density in the charging and discharging process can be effectively reduced. Meanwhile, the internal porous structure can well limit lithium in the internal space, so that the volume expansion of the lithium negative electrode in the charging and discharging process is reduced, and the growth of dendritic crystals is effectively inhibited.

METHOD, MOBILE TERMINAL AND SERVER FOR SHARING DATA

A method for sharing data is disclosed, which comprises: a mobile terminal determines the preset data, wherein the preset data includes one of: the data type uploaded to a server; and search criteria for acquiring the shared data from the server; the mobile terminal sends the data corresponding to the preset data to the server for sharing data. Also a mobile terminal and server for sharing data are disclosed. The method, mobile terminal and server improve the experience of a user.

Soyfood effluent treatment plant

... 种豆制品废水处理装置，包括废水缓冲池、第沼气池、第水压间、第二沼气池、第二水压间、沉淀池、废水曝气池、浓缩过滤池。废水缓冲池连接进水管，废水缓冲池通过第进水斜管连接第沼气池，第沼气池与第水压间之间通过第导流孔连通，第水压间通过第二进水斜管连接第二沼气池，第二沼气池与第二水压间之间通过第三导流孔连通。第二水压间与沉淀池之间通过第四导流孔连通，沉淀池与废水曝气池之间通过第五导流孔连通，废水曝气池与浓缩过滤池通过第六导流孔连通，废水曝气池连接排放管。第沼气池连接第沼气出气管，第二沼气池连接第二沼气出气管。本实用新型装置使废水停留时间加长，发酵反应充分，有效降低废水中BOD和其他有害物。 ...

MINI type special-shaped waterproof connector

The utility model discloses a MINI type special-shaped waterproof connector which comprises a first connecting shell, a second connecting shell, a waterproof female head, a first pin hole, a female head PIN, a waterproof male head, a second pin hole, a male head PIN, a connecting wire, a first arrow and a second arrow. The first connecting shell and the second connecting shell are both formed by plastic rubber coating, the right side of the first connecting shell is of an open structure, the left side of the second connecting shell is of an open structure, and a waterproof female head is arranged in the first connecting shell. Through the mutual cooperation of the first connecting shell, the second connecting shell, the waterproof female head, the first pin hole, the female head PIN, the waterproof male head, the second pin hole, the male head PIN, the connecting wire, the first arrow and the second arrow, the effect of good waterproof performance is achieved, the size of the device is ...

Test tube and test -tube rack stack that cooperation was removed

... 本实用新型涉及一种配合移动的试管及试管架组套，包括试管架的承载板，在承载板上匀距间隔制有多个试管插孔，在承载板的左右两侧边缘分别固装有承载板的护板，在每个试管插孔中插装有试管，在每个试管的上端部外侧固装有试管卡套，试管卡套的外径大于试管插孔的孔径，致使试管通过试管卡套卡在试管插孔中。本实用新型通过搭在镂空试管架上，借助重力的作用保持垂直状态，并且保持试管在试管架上的高度一致，便于自动化机械抓取试管，定位精准。 ...

Crude copper continuous refining method and device

A crude copper continuous refining device comprises a furnace body, a feeding port, a copper discharging port and a slag discharging port, a partition wall is arranged in the furnace body and divides the interior of the furnace body into an oxidation zone and a reduction zone which are communicated with each other, the feeding port is formed in the end, away from the partition wall, of the oxidation zone, and the slag discharging port is formed in the side wall of the oxidation zone. A copper discharging opening is formed in the end, away from the partition wall, of the reduction area, a plurality of first spray guns are arranged on the side wall of the oxidation area, a plurality of second spray guns are arranged on the side wall of the reduction area, and the second spray guns are lower than the first spray guns; a gap is formed between the partition wall and the top of the furnace body, the partition wall is provided with a plurality of through holes, the through holes comprise a first ...

Horizontal type blade polyhedron opens ice and avenges roller device

... 本实用新型涉及除冰雪领域中的破冰雪装置中的刀片结构，具体为一种横式刀片多面体破冰雪辊装置。其特点是：所述的转动轴经所述的锁紧螺母、破冰齿刀片内连接环、轴承、内转辊后再与锁紧螺母固定连接，在所述的破冰齿刀片内连接环上设有横向连接的破冰齿刀片。能够有效的将硬雪和冰层碾压破除。本装置可以单独使用，还可配合其它相应除冰雪机械同时工作使用，还可以多个组成一排或多排使用，大大的减轻除冰雪作业的负担。可牵引碾压冰雪覆盖层。本实用新型具有遇到障碍主动弹起越障的功能，具有破除冰雪效率97％以上，不伤及马路的路面。 ...

Connector male end, connector female end and connector device

The utility model discloses a connector male end, a connector female end and a connector device, and the connector device comprises a connector body which is composed of a connector male end and a connector female end, one end of the connector male end is provided with a plurality of first connectors, one end of the interior of the connector male end is provided with a plurality of electric connection slots, and the other end of the interior of the connector male end is provided with a plurality of second connectors. Movable buckle plates are arranged on the two sides of the top end of the connector male end, a buckle groove is formed in one end of each movable buckle plate, a movable rotating shaft is arranged in the middle of the bottom end of each movable buckle plate, the movable buckle plates are connected with the connector male end through limiting springs, and a plurality of second connectors are arranged at one end of the connector female end. A plurality of electric connecting ...

Guide wire driving device for vascular intervention surgical robot and surgical robot

The invention belongs to the technical field of surgical robots, and provides a guide wire driving device for a vascular intervention surgical robot and the robot, and the guide wire driving device comprises a lower shell and an upper shell hinged to the lower shell; a first rotating shaft, a rotary driving mechanism and an axial driving mechanism are arranged in the lower shell; a driving wheel is axially arranged on the first rotating shaft in a sliding manner; a second rotating shaft is arranged in the lower shell, and a driven wheel is axially arranged on the second rotating shaft in a sliding manner; the first rotating shaft is connected with a rotary driving mechanism; the driving wheel and the driven wheel are connected with an axial driving mechanism; the box body driving device composed of the lower shell and the upper shell can adopt a separated structure with the surgical robot body, so that the requirement of sterile environment isolation in an operation is met; the rotation ...

HYBRID POWER SYSTEM HAVING SINGLE-PLANETARY GEAR SET AND VEHICLE USING THE HYBRID POWER SYSTEM

Hybrid power system having a single-planetary gear set and a vehicle using the hybrid power system. The hybrid power system having a single-planetary gear set comprises: a planetary gear set (5), the planetary gear set (5) having three power input terminals and a power output terminal; and further comprises an engine (1), a first motor (3) and a second motor (7) which are in corresponding transmission connection with the three power input terminals, respectively, the output shafts of the engine, the first motor and the second motor being arranged on different axes. A transmission box (6) for reducing speed and increasing torque is provided between at least one of the first motor (3) and the second motor (7) and a corresponding power input terminal of the planetary gear set (5), such that the torque output by the output terminal of the planetary gear set increases, so as to guarantee the whole vehicle to be driven to travel.

Manual generation method and device, electronic equipment and storage medium

The embodiment of the invention provides a manual generation method and device, electronic equipment and a storage medium, and the method comprises the steps: determining a manual type of a first vehicle type through the electronic equipment, and selecting a target feature value set needed by the first vehicle type and the manual type; determining a manual database corresponding to the manual type; manual content matched with the target feature value set is selected from a manual database, and a target manual is generated based on the manual content. According to the embodiment of the invention, the manual generation efficiency can be improved.

Oil gas field oiliness sludge utilization processing system

... 本实用新型公开了一种油气田含油污泥利用处理系统，包括油污泥处理装置、污水处理装置和油泥土处理装置，所述油污泥处理装置包括油泥分离机和脱稳固液体分离器，且油泥分离机通过管线与脱稳固液体分离器一端连接；所述脱稳固液体分离器另一端通过管线与固液分离机连接，且固液分离机一端通过管线连接污水处理装置；所述污水处理装置包括气浮加药计量处理器、絮凝沉降固液相强制分离机和双滤料过滤器，该油气田含油污泥利用处理系统，它采用将含油污泥中的不同组分进行分离，之后对分离出来的不同部分采用相应的方式进行处理；能够很好的处理含油污泥中的污染物，并有效的利用相关资源，实用性强，易于推广使用。 ...

Microchannel type entrance window

... 本实用新型属于光电探测技术领域，尤其涉及种微通道型入射窗。该微通道型入射窗包括入射窗基体，入射窗基体为蜂窝式结构，蜂窝式结构包括多个通孔，通孔采用普通光刻和离子束刻蚀或酸法腐蚀工艺形成；入射窗基体表面以及多个通孔内均沉积有光电阴极层。具体实现方法是首先清洗入射窗基体，再次在入射窗基体上刻蚀蜂窝式结构、二次清洗刻蚀过蜂窝结构的入射窗基体，最后在入射窗基体表面以及蜂窝式结构上制备光电阴极层。该入射窗的优点是将传统的光电阴极制备与微通道板电子倍增技术结合，实现了直接通过微通道型光电阴极技术进行光电转换及电子倍增的功能，简化了光电探测器件的结构，降低了器件的成本，同时也大大提高了光电阴极量子效率。 ...

Database equation calculation engine

The invention provides a database equation calculation engine, which is used for skillfully quantitatively distinguishing the priority of each label when facing numerous and complicated database label data, finding a regular operation sequence in thousands of label relationships, and carrying out label operation of a database in order based on the regular operation sequence. And proper scheduling is fully realized. Meanwhile, the database equation calculation engine provides a good environment guarantee for calculation self-inspection of the database due to proper hierarchical scheduling.

CBFM and CAT-based periodic structure broadband RCS acquisition method

The invention provides a CBFM and CAT-based periodic structure broadband RCS acquisition method. The method comprises the following implementation steps: 1) dividing a periodic structure target; 2) acquiring an incident wave electric field of each sub-region; 3) calculating Chebyshev frequency sampling points in the frequency band f; (4) the induced current at each Chebyshev frequency sampling point is solved by adopting a characteristic basis function method CBFM; 5) calculating the surface current at the wave number corresponding to each frequency in the frequency band f by adopting a Chebyshev approximation method CAT; and 6) obtaining the radar cross section RCS (ks) of the periodic structure target at the wave number corresponding to each frequency. According to the method, the periodic structure target is divided into N sub-regions, the induced current of each frequency sampling point is calculated by using the Chebyshev approximation method, each sub-region is represented by using ...

Ultra-high-speed overload protection film disc flexible coupling

The invention relates to an ultra-high-speed overload protection film disc flexible coupling which comprises a middle overload protection assembly. The two ends of the middle overload protection assembly are connected with a driving end flexible film disc assembly and a driven end flexible film disc assembly through a first torque transmission bolt assembly and a second torque transmission bolt assembly correspondingly. The middle overload protection assembly comprises a mandrel supporting assembly, the periphery of the mandrel supporting assembly is sleeved with a shearing spacing shaft, and the mandrel supporting assembly and the shearing spacing shaft are positioned through a positioning pin. The mandrel supporting assembly comprises a supporting mandrel, a mandrel connecting flange is arranged at the left end of the supporting mandrel, a connecting flange hole and a mandrel positioning pin hole are formed in the mandrel connecting flange, a mandrel positioning circumference is arranged ...

Positioning method and device, electronic equipment and storage medium

The invention discloses a positioning method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining a plurality of frequency point pseudo-range values of a plurality of satellites; taking a first frequency point pseudo-range in the plurality of frequency point pseudo-range values as a reference, and reducing other frequency point pseudo-range values except the first frequency point pseudo-range value in the plurality of frequency point pseudo-range values to the reference to obtain a plurality of target pseudo-range values with consistent reduction; sorting the multiple target pseudo-range values according to the size; calculating a difference value between every two adjacent target pseudo-range values after sorting; the multiple target pseudo-range values are classified into multiple classes according to the obtained difference values, and multiple classes of pseudo-range values of each satellite are obtained; for the multiple classes of pseudo-range ...

PIPE TOWER AND BASE STATION

The present utility model provides a pipe tower and a base station, comprising a tower wall, a receiving space surrounded by the tower wall and a heat dissipating device; the tower wall is provided thereon with a hatch door that comprises an air inlet and an air outlet, and the receiving space comprises a receiving compartment; the receiving compartment comprises a sealing chamber and a ventilation chamber located above the sealing chamber, the hatch door closing the receiving compartment; the air outlet is connected to the ventilating chamber, and the air inlet is located outside of the receiving compartment. The heat dissipating device comprises an outer power part, a first power part, and a first heat exchanger; the first power part is located at a top portion of the sealing chamber, and the first heat exchanger is disposed on a sidewall of the sealing chamber and comprises a first inner air passage and a first outer air passage separated from the first inner air passage; the outer power ...

General industrial control network communication protocol construction method

The invention relates to the technical field of industrial control, in particular to a universal industrial control network communication protocol construction method, which comprises the steps of data frame construction, data frame analysis and link layer protocol definition. Wherein the data frame construction comprises the following steps: S11, selecting a framing mode and constructing a frame header; s12, starting from the first section of data frame, allocating a memory space; s13, filling the distributed memory space with data; and S14, constructing a frame tail according to the selected framing mode. According to the method, a user can quickly construct a communication protocol based on own practical application requirements, prototype verification and testing of the communication protocol are completed, and quick iteration of the communication protocol is realized.

Electromagnetic emission track surface reconstruction method

The invention relates to an electromagnetic launching track surface reconstruction method. Belongs to the technical field of electromagnetic track launching. An electromagnetic emission armature material and a track material are used as a friction pair, pin disc type friction equipment is adopted, and current is introduced into the friction pair in the pin disc type friction equipment; by changing at least one parameter of the current, the contact pressure intensity of the friction pair, the friction speed, the friction time and the arcing distance, the surface organization structure of the track material under the corresponding condition is obtained; and reconstructing the surface structure of the electromagnetic emission track based on the surface organization structure obtained by the experiment. According to the method, the accumulation of original morphology reconstruction data such as frictional wear of the surface of the track material, material transfer of the surface, arc ablation ...

Self-service intelligent machine operation management evaluation method and system

The invention discloses an operation management evaluation method and system for a self-service intelligent machine tool. The method comprises the following steps: obtaining operation state data of the self-service intelligent machine tool; extracting an equipment operation evaluation index, an operation and maintenance service evaluation index and an equipment quality evaluation index from the operation state data, and performing evaluation calculation by using an equipment operation evaluation model based on the equipment operation evaluation index to obtain a machine tool operation evaluation result; based on the operation and maintenance service evaluation index, performing evaluation calculation by using an operation and maintenance service evaluation model to obtain a machine operation and maintenance service evaluation result; and based on the equipment quality evaluation index, performing evaluation calculation by using an equipment quality evaluation model to obtain a machine tool ...

Converter oxygen lance muzzle smoke dust treatment device and method

The invention belongs to the field of converter blowing oxygen lance muzzle dust suppression treatment, and particularly relates to a converter oxygen lance muzzle smoke dust treatment device and method.The converter oxygen lance muzzle smoke dust treatment device comprises an oxygen lance hole platform, an oxygen lance muzzle base is arranged on the oxygen lance hole platform, a nitrogen sealing plug is installed above the oxygen lance muzzle base, and the nitrogen sealing plug penetrates through an oxygen lance. The upper end face of the nitrogen sealing plug is fixedly connected with a gas collecting hood, a plurality of suction holes are formed in the outer side of the gas collecting hood, each suction hole is connected with a metal hose, all the metal hoses are gathered and connected to a gas collecting header pipe, the gas collecting header pipe is connected to the bottom of a treatment water tank, the upper portion of the treatment water tank is connected with a smoke outlet pipe ...

Automobile signal lamp with uniform light guide and automobile

The invention provides an automobile signal lamp with uniform light guide and an automobile. The automobile signal lamp with the uniform light guide comprises a light guide support provided with a first reflecting surface and a light guide mounting part; the first light guide is arranged on the light guide mounting part and provided with first light guide teeth and second light guide teeth, and the second light guide teeth are arranged on the side close to the light guide support; the second light guide is provided with an incident plane and an emergent plane, the incident plane and the emergent plane are arranged on the two sides of the second light guide, the incident plane is arranged on the side, close to the first light guide, of the second light guide, and the emergent plane is arranged on the side, away from the first light guide, of the second light guide; wherein the first light path passes through the first light guide from the first light guide teeth, is reflected by the first ...

Waterproof flat connector with blind plugging function

The utility model discloses a waterproof flat connector with a blind plugging function, comprising symmetrically arranged leads 1, one side of each lead 1 is provided with a buffer structural body 2, one side of each buffer structural body 2 is provided with a connecting block 3, and one side of one group of connecting blocks 3 is provided with a groove 1 4. The waterproof plug has the advantages that the arc-shaped magnet, the arc-shaped gasket and the hemispherical iron block are arranged, the arc-shaped magnet attracts the hemispherical iron block, so that the protruding block and the first groove are tightly connected and not prone to loosening, meanwhile, the good waterproof function is achieved, and meanwhile the female end of the plug is tightly connected with the third groove, so that the waterproof function is improved; dangerous accidents caused when the socket and the needle head of the connector are in contact with water are effectively avoided; the male end of the plug and ...

Double-swing clamp holder for drilling machine and drill rod dismounting method

The invention belongs to the technical field of coal mines. Relates to the technical field of drilling machines, in particular to a double-swing clamp holder for a drilling machine and a drill rod dismounting method, the double-swing clamp holder for the drilling machine is used for dismounting a drill rod, the double-swing clamp holder for the drilling machine comprises two clamping units which are coaxially arranged on a rack, the two clamping units are both arranged on a swing device, and the swing device is fixedly arranged on the rack. The driving unit is used for driving the clamping unit to rotate; when the drill rods are disassembled, the two clamping units clamp the front drill rod and the rear drill rod correspondingly, the swing device drives the two clamping units to rotate by a certain angle in the opposite directions, and therefore connecting buckles of the front drill rod and the rear drill rod are loosened. According to the double-swing clamp holder for the drilling machine ...

Hub reduction gear, terminal driving device, assembling method and mining dump truck

The invention discloses a hub reduction gear, a terminal driving device, an assembling method and a mining dump truck. The hub reduction gear comprises a main shaft with an axial inner through hole, a hub, a gear ring assembly, a half shaft, a sun gear and a planet assembly. The hub is sleeved on the peripheral surface of the main shaft, and a bearing and a sealing assembly are arranged between the opposite peripheral surfaces of the hub and the main shaft; the gear ring assembly is sleeved on the main shaft in the hub, and the gear ring assembly and the main shaft are connected through a spline; the half shaft is inserted into the axial inner through hole of the main shaft; the sun gear and the half shaft are of a detachable assembly type structure, and outer splines of the sun gear and the half shaft are matched with inner splines of the sliding sleeve respectively. The planetary assembly is embedded in the gear ring assembly and connected with the hub, the outer portion of the planetary ...

Equipment remote data transmission method and device, storage medium and electronic equipment

The invention provides an equipment remote data transmission method and device, a storage medium and electronic equipment, and relates to the technical field of data transmission of computers and medical equipment. The method comprises the following steps: firstly, acquiring equipment information, and performing encryption processing and subpackage processing on to-be-transmitted data information in a binary data stream form to form a to-be-transmitted data information data packet; sending the data packet of the data information to be transmitted to a transit server for temporary storage; and then, the receiving end receives the transmitted to-be-transmitted data information data packet, decrypts and restores the received to-be-transmitted data information data packet, and stores the data to a specified position. According to the method, the equipment abnormity problem can be efficiently checked and solved at low cost under the condition that the equipment network is not directly reachable ...

Air bag type soft mechanical arm hand-eye calibration and measurement method based on cooperation mark

The invention discloses an air bag type soft mechanical arm hand-eye calibration and measurement method based on a cooperation mark, and the method comprises the steps: S1, calibrating an external vision measurement system, and building a base mark system on a base of an air bag type soft mechanical arm; s2, using a set calibration method to calibrate the internal reference of the eye-on-hand visual system; s3, performing hand-eye calibration on an eye-in-hand visual system; s4, an external vision measurement system is used for directly detecting a target, an eye outside-hand measurement system is constructed, target pose calculation is directly completed and converted to be under the base coordinate system, and the pose of the calibration plate in the mechanical arm base coordinate system is determined; and S5, detecting the target by using the eye-on-hand vision system, and calculating the coordinate of the target in the base coordinate system in combination with the external vision measurement ...

Vehicle water pump with stator winding convenient to overhaul

The invention relates to the technical field of stator mounting and fixing, in particular to a vehicle water pump convenient for stator winding maintenance, which comprises a water pump shell, a stator winding arranged in the middle of the water pump shell, a plurality of extension plates fixedly connected to the lower end of the stator winding, positioning bulges fixedly connected to the side ends of the extension plates, and a mounting ring arranged at the lower end of the water pump shell, a plurality of mounting plates are fixedly connected to the upper end of the mounting ring and correspond to the extension plates one to one, a limiting plate is slidably connected to the middle of the mounting plates, a positioning plate is fixedly connected to the side end of the limiting plate, a mounting protrusion is arranged at the lower end of the water pump shell, a connecting plate is arranged in the middle of the mounting protrusion, and a driving plate is fixedly connected to the side end ...

Drainage tube fixing device

The invention relates to a drainage tube fixing device which comprises a clamping frame, a fixed sleeve rod rotationally connected to the side wall of the clamping frame through a connecting frame and a telescopic sleeve rod fixedly connected to the outer wall of the fixed sleeve rod and further comprises a bearing component and a fixing component. The bearing part comprises a supporting rod slidably connected to the inner wall of the mounting groove, a limiting rod fixedly connected to the outer wall of the supporting rod, a bearing frame fixedly connected to the outer wall of the supporting rod and an adjusting part. The adjusting part comprises a telescopic screw slidably connected to the inner wall of the telescopic sleeve rod, a sleeve rotationally connected to the end, away from the fixed sleeve rod, of the telescopic sleeve rod, an adjusting frame fixedly connected to the end, away from the telescopic sleeve rod, of the telescopic screw, and a fixing assembly connected to the top ...

CBFM and AWE-based periodic structure broadband RCS acquisition method

The invention provides a periodic structure broadband RCS acquisition method based on CBFM and AWE. The method comprises the following steps: 1) initializing parameters; 2) calculating an excitation vector of each sub-region; 3) calculating an induced current of each sub-region at a wave number corresponding to each frequency; and 4) obtaining the broadband RCS of the periodic structure. According to the method, the whole target is divided into a plurality of sub-regions, the primary function is constructed on each sub-region by using the characteristic primary function method CBFM, and the interaction between the sub-regions is reflected through the secondary characteristic primary function, so that the order reduction of the impedance matrix is realized, the defect that the impedance matrix is too large due to excessive primary functions in the prior art is avoided, and the reliability of the impedance matrix is improved. And meanwhile, the progressive waveform estimation AWE is utilized ...

Visual inspection device based on mechanical arm

The invention relates to the technical field of visual inspection, in particular to a visual inspection device based on a mechanical arm, which comprises a base main body, a supporting seat is arranged at the top of the base main body, a first rocker arm is arranged at the top of the supporting seat, and a second rocker arm is arranged at one end, far away from the supporting seat, of the first rocker arm. A connecting block is arranged at the end, away from the first rocker arm, of the second rocker arm, a fixing block is arranged at the end, away from the second rocker arm, of the connecting block, a clamping groove is formed in the side, close to the fixing block, of the connecting block, a rotating groove is formed in the side, away from the fixing block, of the clamping groove, and two clamping blocks are arranged in the rotating groove. Compared with an existing visual detection device of the mechanical arm, the visual detection device of the mechanical arm has the advantage that ...

Entrance and exit management and control method, electronic equipment and storage medium

The invention relates to the technical field of intelligent traffic management, and discloses an entrance and exit control method, electronic equipment and a storage medium, and the method comprises the steps: obtaining a radar target point through radar target data; obtaining image information of a to-be-controlled target, and obtaining an image target frame through the image information; acquiring a first position coordinate of the radar target point and a second position coordinate and a third position coordinate of the image target frame, and fusing the image target frame and the radar target point based on the second position coordinate and the third position coordinate; when the fusion succeeds, constructing a thunder target trajectory based on the successfully fused image target frame and the radar target point, and when the fusion fails, constructing a video target trajectory based on the image target frame; judging whether the to-be-controlled target meets a control condition or ...

Method for detecting migration volume of antioxidant 1076 of food contact material or product

The invention provides a method for detecting the migration volume of an antioxidant 1076 of a food contact material or product. The method comprises the following steps: preparation of a standard intermediate solution, preparation of a standard working solution, preparation of a corn oil standard working solution, migration test, pretreatment of a soaking solution, pretreatment of a corn oil soaking solution, blank test, food simulant detection, corn oil detection and calculation of migration volume. The detection method provided by the invention has the characteristics of simplicity and convenience in operation and rapidness in detection, is high in sensitivity, good in separation degree and strong in specificity, covers most of food simulants, and can accurately, qualitatively and quantitatively detect the migration volume of the antioxidant 1076 of the food contact material and the product, so that a scientific basis is provided for safety detection of the food contact material.

Alliance chain-based volunteer trusted service platform

The invention discloses a volunteer trusted service platform based on an alliance chain, and the platform comprises an alliance chain system which carries out the uplink storage of the data of a user; the data high buffer module is connected to the alliance chain system and used for synchronizing data in the alliance chain system in real time; the registration module is connected to the alliance chain system and used for allowing the volunteer to perform account registration, and the registration module sends registration information of the volunteer to the alliance chain system for evidence storage; the volunteer management module is connected to the data high buffer module and is used for a first manager to check the registration information of the volunteer; and the sign-in module is connected to the alliance chain system, the sign-in module is used for activity sign-in of the successfully registered volunteers, and the sign-in module sends the sign-in information of the volunteers to ...

Intelligent feedforward and feedback decoupling control method for post-combustion carbon dioxide trapping system

The invention relates to the technical field of thermal control, in particular to an intelligent feedforward feedback decoupling control method for a post-combustion CO2 capture system, which comprises the following steps of: identifying a transfer function model of the post-combustion CO2 capture system: identifying based on a step response experiment to obtain a controlled open-loop transfer function array G (s); designing a decoupling compensation controller: on the basis of the existing G (s), adding a decoupling controller D (s), and according to the principle of feed-forward compensation, setting the G (s) and D (s) as a diagonal matrix to obtain a transfer function model of the decoupling compensation controller; designing a feed-forward controller: designing the feed-forward controller according to an invariance principle method based on the decoupled equivalent object; and designing parameters of the PID controller set by the genetic algorithm: on the basis of the designed decoupling ...

Automatic labelling device and equipment tool

... 本实用新型提供了种自动贴标签装置，以及种组装治具，所述自动贴标签装置包括：设置有贴附平面的贴附平台；设置有标签承接面的贴附单元；以及分离单元，其中，所述分离单元用于将标签从标签底纸上分离到所述标签承接面，并使所述标签的胶面远离所述标签承接面，所述标签承接面配置为当所述标签承接面上有所述标签时，使所述标签的胶面高于所述贴附平面。 ...

Testing device and method for quantifying uncertainty of large flexible module assembling process

The invention discloses a test device and method for quantifying uncertainty of a large flexible module assembly process. The device comprises a large flexible module, a free boundary suspension system, a non-contact motion capture system and a disassembly and assembly mechanical arm. And the large flexible module is a tested object. The free boundary suspension system provides boundary conditions of free motion for the large flexible module, and has the characteristics of adjustable static position posture and dynamic free boundary. And the non-contact motion capture system is used for measuring the position and attitude response in the assembly process. The disassembling and assembling mechanical arm is used for assembling and disassembling a plurality of large flexible modules. According to the device, a ground test scheme is provided for research on the assembling and disassembling process of the large flexible module in the on-orbit microgravity environment, and the assembling and ...

Vehicle-mounted communication terminal and information processing method based on vehicle-mounted communication terminal

The invention discloses a vehicle-mounted communication terminal and an information processing method based on the vehicle-mounted communication terminal, and the vehicle-mounted communication terminal comprises a terminal housing; a main control board; the electronic toll collection (ETC) communication module is connected with the main control board through a first connecting line, and the ETC communication module is provided with a built-in ETC antenna; and the vehicle wireless communication V2X communication module is connected with the main control board through a second connecting line, and the V2X communication module is provided with a built-in V2X antenna. According to the V2X vehicle-mounted unit, the problem that the V2X vehicle-mounted unit is inconvenient to popularize due to high installation difficulty in the prior art is solved.

Airplane automatic landing control method and control system

The invention belongs to an automatic flight control technology, and particularly relates to an automatic landing control method and an automatic landing control system of an automatic flight control system. The automatic landing technology is extension of an approaching mode function of an automatic flight control system of a modern transport aircraft. According to the automatic landing control method for the airplane, longitudinal mode logic and transverse lateral mode logic which are executed in parallel are included, the longitudinal mode logic comprises a lower slide way mode, a leveling mode and a low nose mode, and the transverse lateral mode logic comprises a course track mode and an alignment runway mode. According to the method, the aircraft can automatically execute a landing program without intervention of a pilot, and the aircraft can be automatically guided to fly along the glide path and the course path and align to the runway until the aircraft is grounded, so that the possibility ...

Positive circulation pneumatic down-the-hole hammer

The invention discloses a positive circulation pneumatic down-the-hole hammer which comprises a check valve, a central air distribution pipe, a piston and a tail pipe, the check valve is installed in a reaming hole in the lower portion of an upper connector, the top brim of the central air distribution pipe is in interference fit with an outer cylinder, the piston is installed in the outer cylinder in a sliding clearance fit mode, and a pipe column of the central air distribution pipe is inserted into a central hole of the piston in a sliding sealing mode. An air vent is formed in the side wall above the bottom surface of the central air distribution pipe; a tail pipe is embedded into a piston bottom center hole in a sealed mode, a tail pipe extending section is inserted into a drill bit center hole, a piston lower center hole is communicated with the drill bit center hole through a tail pipe through hole, and a piston upper cavity is composed of an outer cylinder inner wall, a center air ...

LF smelting process for slagging by using RH cold steel

The invention belongs to the technical field of ferrous metallurgy, and particularly relates to an LF smelting process for slagging by using RH cold steel, which comprises the following steps: collecting and crushing the RH cold steel, adding the RH cold steel into an LF stock bin, adding 100-140 kg of RH cold steel fragments into a furnace by using a chute in the earlier stage of LF smelting, melting the cold steel in the heating process, enabling Al2O3 contained in the cold steel to enter slag, adjusting the proportion of CaO-SiO2-Al2O3 in a slag system to be in a low-melting-point area, and smelting the slag in the low-melting-point area; meanwhile, about 60% of metal oxide contained in the RH cold steel is reduced by aluminum, and part of aluminum oxide is generated and enters the slag; the metal oxide enters the molten steel after being reduced, metal in the RH cold steel can be recycled, and the blowing cost and blowing loss caused by adding the cold steel as scrap steel into a converter ...