别墅门口机

SECURITY CHECK SYSTEM AND METHOD

A security check system (10) and method are provided to identify, from a plurality of objects, an object of interest. The security check system (10) comprises: an object of interest determination device (110) used to determine whether an object is an object of interest; an image label generation device (120) used to obtain an image associated with the determined object in a plurality of objects, and record an image label of the object; and a label detection device (130) used to detect the image label. The security check system (10) identifies, according to a detection result of the label detection device (130), whether the object is an object of interest, and generates a notification accordingly.

Cutting equipment and cutting method for cutting, replacing and overhauling side wall and end wall of open wagon

The invention relates to the technical field of railway open wagon body maintenance, in particular to cutting equipment for cutting, replacing and maintaining side walls and end walls of an open wagon. Comprising a robot and a control system, and the robot is provided with a cutting execution mechanism and a laser scanning device; the laser scanning device is used for conducting laser scanning on the side wall of the open wagon, point cloud data of the side wall of the open wagon are obtained, a point cloud image is generated and sent to the control system, and the point cloud data comprise coordinate information and depth information of all pixel points and pose data of a robot during scanning; the control system comprises an identification module; the recognition module is used for recognizing the point cloud image, processing the point cloud image according to the point cloud information, reconstructing a three-dimensional model through point cloud, recognizing the welding seam position ...

METHOD, DEVICE AND SYSTEM FOR PROCESSING RESOURCE CONTENT RELEASE

Provided are a method, device and system for processing resource content release. The method comprises: determining one or more pieces of corresponding release rule configuration information used in the case where one or more reading service platforms release the resource content synchronously; and synchronously releasing the resource content on the one or more reading service platforms according to the one or more pieces of release rule configuration information. By means of the present invention, the problem in the related art that when the resource content is separately released on each service platform, not only is the workload of a releaser large and the accuracy low, but also a user cannot share the released content the first time either is solved, thus achieving the effects of improving the accuracy of the content release by the releaser, greatly reducing the workload of the releaser, and also enabling the user to read the same updated content on different reading platforms the first ...

Mounting structure of back bolt type stone

The invention discloses a back bolt type stone mounting structure which comprises a keel, a threaded cylinder, a stone, a bolt and an adjusting connecting structure, the adjusting connecting structure comprises two supporting pieces, an elastic abutting piece, an elastic opening piece and two zippers, one ends of the two supporting pieces are connected to the other end of the bolt, and an included angle is formed between the two supporting pieces; the two supporting pieces are movably arranged in the direction close to each other and are limited in the direction away from each other, the two supporting pieces are stretched by the elastic stretching piece, the elastic abutting piece is arranged between the other end of the bolt and the bottom of the matching hole, and the other ends of the two supporting pieces are supported on one side of the annular protruding part. The two zippers are correspondingly connected with the inner sides of the two supporting pieces so that the two supporting ...

Transparent solution concentration measuring device based on plasmon sensor

The invention discloses a transparent solution concentration measuring device based on a plasmon sensor. The plasmon sensor is mainly prepared by adopting a film coating and micro-nano processing method, and is composed of a substrate and a gold film with a square hole array. The substrate can be made of any material; the gold film is adhered to the surface of the substrate; the intervals between any adjacent square holes in the square hole array are equal, and the depth of each square hole is smaller than the thickness of the gold film. When laser with a specific wavelength irradiates the surface of the sensor, plasmons are excited on the surface, so that the reflected signal intensity of the laser is changed; the excited plasmons are related to a solution environment where the sensor is located, and when the sensor is immersed in a transparent solution, different solution concentrations correspond to different laser reflection signal intensities. The concentration measuring device mainly ...

In-vitro simulation device and in-vitro simulation method

The invention relates to an in-vitro simulation device and an in-vitro simulation method. The in-vitro simulation device comprises a constant-temperature box, a simulation medium, a to-be-tested device controller, a to-be-tested device and a data storage processing system, the constant temperature box comprises a test device controller, a temperature sensor matrix and a box body; the simulation medium is positioned in the box body and is used for simulating biological organic tissues; the to-be-tested device is located in the box body, at least part of the to-be-tested device is wrapped in the simulation medium, and the to-be-tested device is used for converting electric energy into mechanical energy to be dissipated in the simulation medium; a probe of the temperature sensor matrix is inserted into the simulation medium; the test device controller is simultaneously connected with the temperature sensor matrix, the to-be-tested device controller and the data storage processing system; the ...

Ultrasonic probe switching method, device, equipment and medium

The invention discloses an ultrasonic probe switching method and device, electronic equipment and a computer readable storage medium, and the ultrasonic probe switching method applied to a probe processor in an ultrasonic probe comprises the steps that when it is monitored that a switching signal is sent through a signal channel after a motion detection part detects that the ultrasonic probe moves, the switching signal is sent through a signal channel; sending a switching request to the ultrasonic equipment; the ultrasonic probe switching method applied to the ultrasonic equipment comprises the following steps: acquiring a switching request sent by a target ultrasonic probe; in response to the switching request, judging whether a switching condition is met or not; if the switching condition is met, switching the target ultrasonic probe to the currently used probe; according to the method, the ultrasonic probe can actively detect own movement and actively report the switching request, the ...

Preparation method of selfheal formula granules

The invention relates to the technical field of preparation of traditional Chinese medicinal material formula granules, and particularly discloses a preparation method of selfheal formula granules, which comprises the following steps: weighing selfheal decoction pieces, and adding water to submerge the decoction pieces for soaking; treating the soaked prunella vulgaris decoction pieces to obtain filtrate; performing vacuum concentration on the filtrate to obtain clear paste; and drying the clear paste to prepare dry paste powder, adding auxiliary materials, uniformly mixing, carrying out dry granulation, preparing granules, and packaging to obtain the selfheal formula granules. The preparation process of the spica prunellae formula granules is improved, process step parameters in a soaking process, a concentrating process and a drying process of the spica prunellae decoction pieces are adjusted, the paste yield of the spica prunellae decoction pieces is increased, and the prepared formula ...

MACHINE VISION-BASED CAMERA MODULE FOCUSING FLOW LINE AND METHOD THEREFOR

A machine vision-based camera module focusing flow line and a method therefor. The production flow line mainly relates to a feeding device (10), a focusing device (20), a sorting device (30), a finished product processing device (40) and a discharging device (50) which are provided in sequence according to the production flow line, the focusing device (20) being integrated with an automatic detection system (21) electrically connected to the finished product processing device (40) and the discharging device (50). Further provided is a corresponding camera module focusing method. Said flow line and said focusing method replace manual detection with a focusing device, use an automatic detection system to determine whether a product is an accepted product, and realize automatic sorting, improving the working efficiency and yield of the flow line.

Multi-cavity tube capable of cooling ultrasonic thrombolysis catheter transducer by using circulating liquid

The invention relates to a multi-cavity tube capable of cooling an ultrasonic thrombolysis catheter transducer by using circulating liquid, which comprises a main pipeline, the central part of the main pipeline is a main cavity channel, and the tube wall of the main pipeline is provided with a liquid medicine cavity channel and a normal saline return cavity channel; the main cavity channel is used for an ultrasonic transducer guide wire to penetrate through, the far end of the main cavity channel is round, the diameter of the main cavity channel is equal to that of the far end of the guide wire, and the cross sectional area of other positions of the main cavity channel is larger than that of the guide wire; a liquid medicine outflow hole is formed in the outer wall, close to the far end, of the main pipeline, and a normal saline circulation hole is formed in the inner wall, close to the far end, of the main pipeline; the liquid medicine cavity channel is not communicated with the main cavity ...

Sealing equipment and automatic sealing system

The invention provides sealing equipment and an automatic sealing system. The sealing equipment is used for fixing the electronic lock to a sealed object, the electronic lock comprises two lock bodies connected through a bandage, the two lock bodies have a locking state in which the two lock bodies are matched with each other to be locked together and an unlocking state in which the two lock bodies are released from each other to be separated from each other, and the sealing equipment is characterized by comprising a lock bin device used for containing and outputting the electronic lock; the locking device is configured to receive and separate the two lock bodies in the unlocked state from the lock bin device, so that the two lock bodies are in the locked state after generating relative movement along a lock winding track, an arrangement space for placing at least one part of luggage is defined by the lock winding track, and the locking device comprises a lock winding mechanism; the lock ...

HAFFT1 CELL

Provided are an HAFFT1 cell and a preparation method therefor. T cells modified by means of a TCR-T technology are then subjected to knockout of immunosuppressive targets, thereby precisely protecting specific killer T cells from in vivo inhibition, and improving the lethality of the T cells on tumor cells. The proportion of specific T cells (TCR+) capable of recognizing tumor antigens in HAFFT1 cells is 80% or above.

Permanent seal cooling bituminous pavement structure suitable for longitudinal gradient highway section of growing up

... 本实用新型属于道路工程领域，涉及种适用于长大纵坡路段的耐久型沥青路面结构，包括自上而下依次铺设在土基上的超高性能混凝土UHPC上面层、SBS改性沥青混凝土下面层、级配碎石上基层以及水泥稳定碎石下基层；超高性能混凝土UHPC上面层与SBS改性沥青混凝土下面层之间、SBS改性沥青混凝土下面层与级配碎石上基层之间以及级配碎石上基层与水泥稳定碎石下基层之间均设置有粘结层。本实用新型综合利用超高性能混凝土UHPC的高强度、高韧性、低空隙率以及SBS改性沥青混凝土优良的承载能力的特点，并将二者合理组合，提高长大纵坡路段路面安全性、舒适性和耐久性，延长道路使用寿命，减少道路的维修费用。 ...

Steel pipeline offshore docking platform and method

The invention discloses a steel pipeline offshore docking platform which comprises a first truss and two sets of buoyancy tank assemblies arranged at the two ends of the first truss correspondingly, and each buoyancy tank assembly comprises a buoyancy tank body, a first truss, a second truss and a plurality of buoyancy tanks, the pipeline bracket is installed on the upper surface of the buoyancy tank body, a positioning groove with an upward opening is formed in the pipeline bracket, the positioning groove is used for bearing the end of a pipeline, and the extending direction of the axis of the positioning groove is consistent with the extending direction of the axis of the end of the pipeline; the two first lug plates are arranged on the upper surface of the buoyancy tank body, and the two first lug plates are symmetrical relative to the axis of the positioning groove; the two second lug plates are arranged on the two opposite side faces of the buoyancy tank body, and the two second lug ...

Iron-based alloy and coating product made of iron-based alloy

The invention discloses an iron-based alloy and a coating product made of the iron-based alloy. The iron-based alloy comprises the following components in percentage by mass: 33.00 to 45.00 percent of Cr; 0.50% to 8.00% of Mo; 1.00% to 5.00% of Si; 0.10% to 5.00% of Al; 0.02% to 1.00% of La; 0.02% to 2.00% of Y; and the balance of iron. According to the alloy component and the powder product thereof, a coating is formed on the surface of a matrix, compared with an existing alloy material, the high-temperature-resistant and corrosion-resistant alloy material has extremely high high-temperature-resistant and corrosion-resistant performance and is particularly suitable for protection of the surface of a component in direct contact with high-temperature slag in the non-ferrous metal smelting process, and the service life of the matrix can be remarkably prolonged.

Automatic locking device and automatic sealing system

The invention provides an automatic locking device and an automatic sealing system. The automatic locking device is provided with a lock body receiving channel, a lock body output channel and a lock body conveying unit arranged between the two channels. The lock body conveying unit comprises at least one lock body conveying section arranged between the lock body receiving channel and the lock body output channel, the lock body conveying section comprises a movable lock holding mechanism and a driving mechanism, the movable lock holding mechanism is configured to receive, hold and release a lock body, and the driving mechanism is in driving connection with the movable lock holding mechanism to drive the movable lock holding mechanism to move; the lock body conveying unit is configured to receive one of the two lock bodies, in the unlocking state, of the electronic lock from the lock body receiving channel through at least one lock body conveying section and convey the one to the lock body ...

一种具备高度调节和碰撞溃缩功能的制动踏板

... 本发明公开了一种具备高度调节和碰撞溃缩功能的制动踏板，包括踏板、踏板臂、踏板臂支架、踏板固定支架，所述踏板臂支架的内壁与转轴的正面固定连接，所述转轴的背面贯穿踏板臂顶端的正面延伸至与踏板臂支架的内部固定连接。该具备高度调节和碰撞溃缩功能的制动踏板，通过踏板臂支架向左移动，从而可将踏板臂调节至用户需要的高度，以适合不同体型的用户使用踏板，提高用户体验，通过受力杆受力，使受力杆向左移动，从而去推动推杆向左移动，通过推杆向左移动使齿条随之向左移动，齿条不与第二内螺纹啮合，踏板臂支架向右滑动掉落下来，不会继续向驾驶员移动，防止踏板撞击伤害到驾驶员。适用于汽车。 ...

Projectile body target passing simulation method

The invention belongs to the technical field of end point trajectory testing, and relates to a projectile body target-crossing simulation method, which comprises the following steps of: acquiring and recording a projectile body target-crossing original waveform output by a light curtain target by using a high-speed data acquisition card to serve as a simulation basis of a projectile body target-crossing simulation signal; the light source of the light curtain target is connected with the focusing collimating lens through the light acquisition optical fiber, the focusing collimating lens is used for performing focusing and collimating optical processing on collected and output light signals emitted by the light source of the light curtain target, the light intensity modulator is located in the middle position between the focusing collimating lens and the focusing lens, and the high-speed driving module is electrically connected with the light intensity modulator; and the projectile body ...

Laser scanning image-based accurate positioning and cutting method for side wall maintenance of open wagon

The invention relates to the technical field of laser cutting positioning, in particular to a laser scanning image-based accurate positioning and cutting method for side wall maintenance of an open wagon. The method comprises the following steps: S1, scanning related point cloud data of a side wall of an open wagon body, and establishing a point cloud image according to the point cloud data; s2, performing edge extraction on the point cloud image according to depth information of adjacent pixel points, marking the extracted edge position as a suspected weld seam edge position, and reducing the point cloud data volume of a non-suspected weld seam edge position to obtain a modeling image; s3, identifying image features of the modeling images, grouping the modeling images according to the image features and the pose information of each frame of modeling image, establishing each group of dense point cloud models, and fusing each group of dense point cloud models to obtain a dense point cloud ...

DATA SHARING METHOD AND PORTABLE TERMINAL

A data sharing method and a portable terminal are disclosed. The portable terminal is a first terminal having a first system and a second system. The first system and the second system have capability of operating a shared storage area. The method includes that the first system starts transmitting the files in the shared storage area to a second terminal; in the process that the first system transmits the files in the shared storage area to the second terminal, when it is detected that the first system meets a predetermined condition, the second system acquires upload information of the files; the second system continues to transmit the files to the second terminal according to the upload information. When applying the embodiments of the invention to implement data sharing transmission, because the terminal has a mixed architecture of double systems, when one of the systems is shut down or errors occur in it and thus the transmission is interrupted, the other system can continue the data ...

SOQPSK signal soft value determination method and apparatus, and communication device

The invention provides a soft value determination method and device of an SOQPSK signal and communication equipment. The method comprises the following steps: performing matched filtering on a received SOQPSK signal through a first matched filter and a second matched filter respectively to obtain two matched filtering results Y0 and Y1 of an ith symbol; the absolute value of the result obtained by subtracting the Y0 from the local matched filtering result of the first matched filter in the eight states is obtained and then divided by the coefficient V0, i to obtain a first value, and the absolute value of the result obtained by subtracting the Y1 from the local matched filtering result of the second matched filter in the eight states is obtained and then divided by the coefficient V1, i to obtain a second value; adding the first value and the second value in the same state to obtain a real part to obtain branch metric values in eight states; determining a first soft value component and ...

Sampling frequency offset estimation method and device and communication equipment

The invention provides a sampling frequency offset estimation method, a sampling frequency offset estimation device and communication equipment. The method comprises: obtaining a received pilot sequence set from an orthogonal frequency division multiplexing (OFDM) symbol, the received pilot sequence set comprising L received pilot sequences, L subcarriers corresponding to the L received pilot sequences being arranged at intervals on a frequency domain, L being an even number and L being greater than or equal to 4; conjugate correlation is carried out on the L received pilot frequency sequences and a local pilot frequency sequence to obtain a correlation value set, and the correlation value set comprises L correlation values; performing conjugate multiplication on each pair of correlation values in the correlation value set to obtain L/2 conjugate multiplication results; and performing sampling frequency offset estimation based on the L/2 conjugate multiplication result. The method can improve ...

Deviation rectifying pressure adjusting device of tensioning air cylinder and conveying device

The embodiment of the invention provides a deviation rectifying pressure adjusting device of a tensioning air cylinder and a conveying device, and relates to the technical field of pressure adjusting equipment. The conveying device comprises a deviation rectifying pressure adjusting device of a tensioning air cylinder, the deviation rectifying pressure adjusting device of the tensioning air cylinder can achieve synchronous control over a left tensioning air cylinder and a right tensioning air cylinder through a connecting piece, and therefore the convenience of adjusting an air pressure adjusting valve during deviation rectifying is improved. And it can be guaranteed that when one of the left tensioning air cylinder and the right tensioning air cylinder is adjusted, the other tensioning air cylinder can be adjusted in time, then the adjusting and deviation rectifying efficiency is improved, and the situation that due to the fact that the tensioning air cylinder on one side is directly closed ...

Laser cleaning workstation

The invention relates to the technical field of laser cleaning, in particular to a laser cleaning workstation which comprises a clamping mechanism and a cleaning mechanism, the cleaning mechanism is installed on the side edge of the clamping mechanism, the clamping mechanism comprises a rack, a supporting frame is fixedly connected to the top of the rack, a motor is installed on the back face of the supporting frame, and the cleaning mechanism is installed on the rack. The device comprises a motor, a rotating shaft is installed at the output end of the motor, a rotating disc is fixedly connected to the end, away from the motor, of the rotating shaft, a clamping assembly is installed on the front face of the rotating disc, an elastic clamping block is installed in the clamping assembly, and an arc plate piece is arranged in the elastic clamping block. According to the method, pollutant emission can be effectively reduced, the reliability of welding quality and the one-time welding qualification ...

Computing power resource allocation method based on combined bilateral auction and differential privacy

A computing power resource allocation method based on combined bilateral auction and differential privacy comprises the following steps: user equipment issues a task request to an edge server and generates bidding information at a time slot starting moment; the edge server transfers a task request issued by user equipment to the edge node, and the edge node calculates a confusion distance between the edge node and the task request, generates inquiry information and participates in bidding bidding; the edge server receives bidding information sent by the user equipment and inquiry information returned by the edge nodes, sets a plurality of price vectors, selects one edge node as a winner buyer and a winner seller for each task request based on each price vector so as to obtain a resource allocation matrix corresponding to each price vector, and sends the resource allocation matrix to the user equipment; and then selecting a price vector as a final price vector, wherein the corresponding ...

Transducer with laminated structure

The invention relates to a transducer with laminated structures, which comprises m laminated structures, and m is greater than or equal to 3. The laminated structures are arranged at intervals from the near end to the far end, the interval between the i < th > laminated structure and the (i + 1) < th > laminated structure is smaller than or equal to the interval between the (i + 1) < th > laminated structure and the (i + 2) < th > laminated structure, i = 1,..., m-2, and the larger i is, the closer to the far end is. The transducer is simple in structure, and the problems that the manufacturing process of collinear metal sheets of a laminated structure of an existing thrombolysis catheter transducer is complex, the overall manufacturing difficulty and cost of the transducer are high, the interval of the laminated structure is fixed, and the thrombolysis effects of the near end and the far end of the catheter are not consistent are effectively solved.

Interventional intelligent 360-degree ultrasonic radiation intravascular thrombolysis catheter

The invention relates to an interventional intelligent 360-degree ultrasonic radiation intravascular thrombolysis catheter which comprises a catheter body, an ultrasonic guide wire, an ultrasonic transducer, a monitoring device, a driving device and a host. The ultrasonic guide wire penetrates through the catheter body, and the two ends of the ultrasonic guide wire are located outside the catheter body. The ultrasonic transducer is located in the catheter body and fixedly connected with the ultrasonic guide wire. The monitoring device is fixed to the head of the ultrasonic guide wire or the head of the catheter body. The monitoring device is used for monitoring blood pressure or thrombus morphology in real time and sending to the host; the driving device is connected with the tail part of the ultrasonic guide wire; the driving device is used for driving the ultrasonic guide wire to rotate around the center axis of the ultrasonic guide wire. The host is located outside the catheter body ...

Mine stope bottom filling body reinforcing device and using method thereof

The invention provides a mine stope bottom filling body reinforcing device and a using method thereof.The mine stope bottom filling body reinforcing device comprises an anchoring device arranged in a failure filling body and a supporting structure arranged in an operation space pre-formed in the bottom of the anchoring device, an anchor cable on the anchoring device is connected with the supporting structure, and a groove structure is arranged in the supporting structure; the failure filling body can be compacted in the process of arranging the anchoring device, so that the failure filling body is endowed with certain supporting capacity, and the supporting structure not only can be used for fixing a connecting piece of the anchoring device, but also can be used for sealing a part of the failure filling body. In the process, reinforcing of the failed filling body at the bottom of the mine stope can be jointly achieved through the physical extrusion effect of the anchoring device on the ...

Greenhouse planting system for improving survival rate of cherax quadricarinatus

The invention relates to the technical field of aquaculture, and discloses a greenhouse planting system capable of increasing the survival rate of cherax quadricarinatus, the greenhouse planting system comprises a double-layer greenhouse installed on a culture water pond, the double-layer greenhouse comprises a ceiling and a net bag located in the middle of a stand column, the ceiling is further provided with a light-permeable transparent plate and a plurality of sunshade nets laid below the transparent plate, and the net bag is provided with a plurality of sunshade nets. The double-layer greenhouse further comprises a traction assembly which synchronously pulls the sunshade net to slide and be wound when the net bag ascends and descends, the other end of the sunshade net is further connected with a balance weight roller through a traction rope, limiting seats corresponding to the balance weight roller in position are further installed on the periphery of the breeding pool, and the section ...

Preparation method of vinegar rhizoma corydalis formula granules

The invention discloses a vinegar rhizoma corydalis formula granule preparation method, which comprises: taking vinegar rhizoma corydalis decoction pieces, adding water, soaking, carrying out reflux extraction, filtering, combining the filtrate, carrying out vacuum concentration on the filtrate, adding a spray drying auxiliary material, uniformly mixing, carrying out spray drying to obtain dry paste powder, adding a molding auxiliary material, uniformly mixing, and carrying out granulation to obtain the vinegar rhizoma corydalis formula granule. And performing dry granulation to obtain the vinegar rhizoma corydalis formula granules. According to the preparation method of the vinegar-processed rhizoma corydalis formula granules, filtrate obtained after reflux extraction is subjected to microwave-assisted extraction and cationic resin purification, and the product quality of the granule formula is effectively improved.

Deep sea section submarine pipeline installation parameter design method

The invention relates to a deep sea section submarine pipeline installation parameter design method, which comprises the following steps of: establishing a finite element model through calculation parameters of a pipeline, and analyzing linear and maximum stress changes of the pipeline during mooring, irrigation sinking, underwater sinking and underwater butt joint; the mooring distance, the maximum underwater sinking depth, the maximum single-time underwater sinking depth and the pipe head floating load of the installed pipeline are obtained through matching, the method is simple in step and good in effect, installation of the submarine pipeline in the deep sea section can be accurately indicated, and the pipeline is prevented from being broken.

Work method and image forming apparatus

The invention relates to the technical field of image forming, in particular to an operation method and image forming equipment. The method is applied to the image forming equipment, the image forming equipment comprises a first storage unit and a second storage unit, and the method comprises the following steps: when a queue jumping job is obtained, judging whether the residual storage capacity of the first storage unit meets a first job which is currently executed or not; if not, first prompt information is displayed, and the first prompt information is used for prompting whether the storage space of the first storage unit is insufficient or not and whether the operation data of the first operation is stored in other storage units or not; and if the obtained response information is yes, storing the job data of the first job to the second storage unit and executing the queue jumping job. According to the scheme of the embodiment of the invention, when the storage space of the image forming ...

Plug-and-play master data consistent monitoring method for master data management system

The invention belongs to the field of digital service management, and particularly relates to a plug-and-play master data consistent monitoring method for a master data management system. Monitoring and comparison of an existing master data management system need to be customized and developed for different types of master data, the cost is high, and change and maintenance are difficult. Configuration of monitoring contents, monitoring attributes, attribute mapping, a monitoring mechanism and the like is realized by abstracting the main data monitoring model, so that flexible configuration change of on-demand monitoring of the main data of the service system is realized, the method does not depend on customized development of developers, and the main data monitoring and change efficiency is improved.

Multi-hop relay communication system and construction method of multi-hop relay communication network

The invention provides a multi-hop relay communication system and a construction method of a multi-hop relay communication network. The system comprises a management node and at least one cluster head node and cluster member nodes in a cluster network, the management node is used for sending network management information in a time slot corresponding to the management node, the network management information comprises time slot distribution information and cluster network indication information, the time slot distribution information is used for indicating a time slot which can be used by a target node, and the target node is any one of a node in the system and a node to be accessed to the network; the cluster network indication information is used for indicating a corresponding relationship between a cluster head node and a cluster member node in each cluster network; the cluster head node is used for sending network management information in a corresponding time slot and sending received ...

Buffer when heavy object falls to ground

... 一种重物落地时的缓冲装置，包括外壳，在外壳内设有吊索收紧装置，在吊索收紧装置上安装有扭力传递部，本实用新型要解决的技术问题是提供一种重物落地时的缓冲装置，在吊车将重物降落至接近预定地点时，可以通过本装置在最后的降落阶段进行操作，使重物缓慢落地，可以起到保护物品和地面的作用。 ...

Asphalt-based concentrated suspension, preparation method thereof and sand-containing fog seal material

The invention provides an asphalt-based concentrated suspension, a preparation method thereof and a sand-containing fog seal material. The asphalt-based concentrated suspension comprises asphalt, an emulsifier, argil, water, a tackifier, a thickener, a stabilizer and a rheological aid. The sand-containing fog seal material comprises 100 parts of asphalt-based concentrated suspension, 10-30 parts of water and 15-30 parts of fine sand. The sand-containing fog seal material provided by the invention has the advantages of strong sand suspending capacity, good material uniformity and good construction convenience, is in a matte state after surface drying, not only can well improve the appearance quality of the original pavement and solve the early-stage diseases such as water seepage, pitted surface, slight grain falling and the like of the original pavement, but also does not generate negative influence on the anti-skid performance of the pavement.

Large-diameter cable cutting and stripping equipment

The invention relates to the technical field of cable processing, in particular to a large-diameter cable cutting and stripping device which comprises a mounting base, first rolling mechanisms capable of rolling a cable and positioning the cable in the radial direction are arranged on the upper end face of the mounting base in the length direction at intervals, and second rolling mechanisms capable of rolling the cable and positioning the cable in the radial direction are arranged on the upper end face of the mounting base. The second rolling mechanism drives the cable to move axially, the third rolling mechanism can roll the cable and position the cable in the radial direction, and a cutter mechanism capable of cutting grooves in the axial direction of the cable sheath is arranged at the position, located between the first rolling mechanism and the second rolling mechanism, of the mounting base. Due to the arrangement of the cutter mechanism and the carbon dioxide laser cutting mechanism ...

Multi-view three-dimensional reconstruction and flexible docking method and system based on vision and force sense

The invention discloses a multi-view three-dimensional reconstruction and flexible docking method and system based on vision and force sense, and the method comprises the steps: collecting a first RGB image and a first depth image of a mechanical arm at an initial position, detecting the position of a docking port in the first RGB image, and calculating the coordinates of the docking port in combination with the first depth image; moving the mechanical arm to a position near the coordinate of the docking port, acquiring a second RGB image and a second depth image of the mechanical arm at the position from multiple visual angles, detecting the position of the docking port in the second RGB image of each visual angle, expanding for multiple times to obtain an interested area under each visual angle, mapping the interested area to the second depth image corresponding to the second RGB image of the visual angle, and then performing three-dimensional reconstruction, a docking port plane is extracted ...

Preparation method of rhizoma drynariae formula granules

The invention discloses a preparation method of rhizoma drynariae formula granules, and belongs to the technical field of traditional Chinese medicine processing. Comprising the following steps: soaking rhizoma drynariae decoction pieces in water, carrying out reflux extraction, filtering, concentrating, adding auxiliary materials, uniformly mixing, carrying out spray drying to obtain dry paste powder, adding the auxiliary materials, and carrying out dry granulation to obtain the rhizoma drynariae formula granules. The soaking water addition amount is 3-12 times, and the soaking time is not less than 30 minutes; the reflux extraction time is not less than 30 minutes, and the extraction frequency is not less than 2 times; during filtering, the mesh number of a filter screen is not less than 300; vacuum concentration is adopted, the heating temperature is not higher than 65 DEG C, the vacuum degree is larger than or equal to-0.08 mpa, and the concentration is performed until the relative ...

High-temperature-resistant duct piece and processing method thereof

The invention belongs to the technical field of duct piece machining, and discloses a high-temperature-resistant duct piece and a machining method thereof. The high-temperature-resistant duct piece comprises a duct piece body, and the machining method of the high-temperature-resistant duct piece comprises the following steps that S1, the duct piece body is fixed; s2, the inner wall of the duct piece body is evenly coated with a fireproof coating layer through coating equipment; the coating equipment comprises a base, a fixing rod fixed to the upper surface of the base, a mounting block fixed to the upper end of the fixing rod and a rotating pipe rotationally mounted on the side wall of one side of the mounting block, and an arc-shaped coating brush is arranged on the rotating pipe. And an adjusting mechanism used for adjusting the arc-shaped coating brush to enable the arc-shaped coating brush to be suitable for duct piece bodies with different diameters and uniformly coating the inner ...

Quaternary generalized Boolean function-based QAM (Quadrature Amplitude Modulation) complementary sequence construction method

The invention discloses a QAM (Quadrature Amplitude Modulation) complementary sequence construction method based on a quaternary generalized Boolean function, and belongs to the technical field of radio communication. According to the method, a brand new 4q-QAM mapping description is used as a theoretical basis, the description has q + 1 independent quaternary variables, a quaternary generalized Boolean function is used as a medium, and the QAM complementary sequence is generated by selecting conditions met by different offset functions and difference functions. The 4q-QAM complementary sequence constructed by the invention meets the requirement that a smaller PAPR can be obtained when the 4q-QAM complementary sequence is applied to an OFDM (Orthogonal Frequency Division Multiplexing) communication system. According to the invention, a large number of QAM complementary sequence families with a low PAPR are obtained, and the PAPR of an OFDM communication system is reduced while a high data ...

High-efficiency photovoltaic cell structure and preparation method thereof

The invention discloses a high-efficiency photovoltaic cell structure which comprises a p-n junction for providing an internal electric field, a p-n junction for outputting current and a substrate, a first transparent electrode is arranged at the top of the p-n junction for providing the internal electric field, a second transparent electrode is arranged at the bottom of the p-n junction for providing the internal electric field, and the side of the first transparent electrode is in direct contact with a bottom electrode through a side conducting layer. A first electrode is arranged at the top of the p-n junction of the output current, a second electrode is arranged at the bottom of the p-n junction, a first insulating layer is arranged above the first electrode, and a second insulating layer is arranged below the second electrode. The invention also provides a preparation method of the high-efficiency photovoltaic cell structure. According to the invention, the p-n junction is added above ...

Thoracocentesis guiding and positioning device for severe cases in pneumology department

The invention relates to the field of medical instruments, in particular to a thoracocentesis guiding and positioning device for severe cases in the pneumology department. According to the thoracocentesis guiding and positioning device for severe illness in the pneumology department, thoracocentesis positioning can be more accurate, and thoracocentesis can be more stable. A thoracocentesis guiding and positioning device for severe illness in the pneumology department comprises a balance weight base, a sliding frame, a lifting mechanism and the like. Two counterweight bases are placed on the ground, the top of each counterweight base is fixedly connected with a sliding frame, and the lifting mechanism is arranged on the sliding frames. A medical worker pushes a sliding seat to move leftwards and rightwards, when a positioning circular tube moves to be aligned with the part, needing to be punctured, of a patient, the medical worker pushes a supporting column in the direction close to the ...

Depth vision-based model-free grabbing planning method and system

The invention discloses a model-free grabbing planning method and system based on depth vision, and the system comprises an image collection module, a pose generation module, a processor, and a trajectory planning module. The image acquisition module is used for acquiring an RGB image, a depth image and a point cloud; the pose generation module comprises an image-based pose generation module and a point cloud-based pose generation module; the processor is used for comparing the HSV color space of the object with the HSV color space of the desktop, inputting the grabbing pose generated by the pose generation module based on the point cloud into the trajectory planning module when the HSV color space of the object is within the HSV color space range of the desktop, and outputting the grabbing pose generated by the pose generation module based on the point cloud into the trajectory planning module when the HSV color space of the object is not within the HSV color space range of the desktop ...

Transmission mechanism capable of preventing various foreign matters from entering and continuously and stably operating for long time

The invention discloses a transmission mechanism capable of preventing various foreign matters from entering and running continuously and stably for a long time, and relates to the field of non-woven fabric production line equipment. The design that an original transmission assembly conducts the positive electrode and the negative electrode of a power source after making contact with metal foreign matter is reserved, and the metal foreign matter can be prevented from entering the carding machine; through inclined arrangement of the U-shaped slide way frame and additional arrangement of the displacement detection assembly, non-metal foreign matters can be prevented from entering the carding machine. Therefore, various foreign matters can be prevented from entering the carding machine, the equipment failure rate and loss are reduced, the production efficiency is improved, and the product quality is improved. Meanwhile, a metal chain wheel sleeve is additionally arranged between the cotton ...

Safety device for battery, battery and vehicle

The invention relates to a safety device (20) for a battery (10) comprising at least one battery cell (30) consisting of a battery cell (300) and a flexible housing (301), the battery cell (300) being accommodated in the flexible housing (301) and the electrodes (302) of the battery cell protruding from an opening (303) of the flexible housing, which opening is closed by means of a sealing seam (304) to form a sealing structure, the safety device is disposed in the battery and is configured to be adapted to additionally seal the sealing seam under predetermined conditions. The invention also relates to a corresponding battery and to a corresponding vehicle. According to the invention, not only can the fire or even explosion of the battery or the vehicle caused by the outward discharge of combustibles due to the change of operating conditions be avoided, but also the safety device can be manufactured and installed in a particularly simple manner and an additional safety function can be realized ...

Robot inspection part defect detection method and application thereof

The invention belongs to the field of part defect detection, and particularly relates to a robot inspection part defect detection method and application thereof, and the method comprises the steps: converting a part recognition result correspondingly obtained by each inspection image through a target recognition network into a two-dimensional test result semantic point cloud; converting all annotation boxes in a standard image corresponding to the inspection image into a two-dimensional standard semantic point cloud; determining similarity transformation of the two point clouds to perform point cloud registration on the two point clouds, and identifying isolated points in the two-dimensional standard semantic point clouds based on a registration result; marking box information corresponding to the isolated points is used as the type and the position of the lost part; cutting each bounding box in the component identification result of each inspection image, and inputting the component anomaly ...

Water bleeding performance testing device for semi-flexible pavement and use method of water bleeding performance testing device

The invention discloses a device for testing bleeding performance of a semi-flexible pavement, which comprises a transparent sleeve, a transverse plate, a lower cover, a grating and a pressing rod, the shape of the grating is the same as that of the cross section of the inner wall of the sleeve, and the lower cover is detachably connected with the sleeve, and is characterized in that a plurality of groups of rectangular clamping holes are longitudinally formed in the upper layer of the outer wall of the sleeve in parallel; the bottom of the pressing rod is in threaded connection with the grating, a circular opening is formed in the outer wall, close to the bottommost clamping hole, of the sleeve, and a water storage device is arranged at the bottom of the opening; the device can simulate the actual use condition of the slurry, comprehensively considers the influence of factors such as fixation and interference effects of aggregate on the slurry and a dynamic bleeding process on the bleeding ...

Diameter expanding type fishing-light complementary power generation system

The invention relates to the technical field of photovoltaic power generation, and discloses a diameter-expanded fishing-light complementary power generation system which comprises a photovoltaic panel mounted on a mounting frame and diameter-expanded assemblies slidably mounted on two sides of the mounting frame through telescopic plates, and the diameter-expanded assemblies are provided with a plurality of groups of fan-shaped frames uniformly distributed in position. The diameter expanding assembly is used for expanding the laying area of the photovoltaic panel, the multiple sets of fan-shaped frames are rotationally installed in the corresponding fixing frames respectively, torsional springs are further connected between the fixing frames and the rotating ends of the fan-shaped frames, and the lower connecting rod is further provided with a traction assembly used for controlling the fan-shaped frames to rotate to be opened. The two ends of the traction rope are connected to the lower ...

Crank throw of blang's machine

... 本实用新型属于活塞杆传动设备技术领域，公开了种布朗机的曲拐，包括：活塞杆座(1)、紧固螺钉(2)、锁活塞杆板(4)和活塞杆(5)，所述活塞杆(5)与活塞杆座(1)螺纹固定连接，所述活塞杆座(1)与活塞杆(5)连接的侧开有切口(3)，所述切口(3)将活塞杆座(1)与活塞杆(5)的连接处分为两个部分，所述紧固螺钉(2)设置在活塞杆座(1)上紧固连接所述两个部分，所述锁活塞杆板(4)固定在切口(3)侧的活塞杆座(1)上并锁紧连接活塞杆(5)。本实用新型实现了活塞杆和活塞杆座可调，降低成本。 ...

Communication method and system combining RS erasure codes and frequency domain spread spectrum OFDM (Orthogonal Frequency Division Multiplexing)

The invention provides an RS erasure code and frequency domain spread spectrum OFDM (Orthogonal Frequency Division Multiplexing) combined communication method and system, and the method is applied to a receiving end and comprises the steps: receiving a spread spectrum OFDM signal sent by a sending end; the spread spectrum OFDM signal is obtained by sequentially performing baseband modulation, serial-parallel conversion, RS (Reed-Solomon) coding, spread spectrum, inverse fast Fourier transform and cyclic prefix addition on original serial data by the transmitting end; performing cyclic prefix removal, fast Fourier transform and dispreading on the spread spectrum OFDM signal in sequence to obtain RS coded data; performing RS erasure decoding on the RS coded data to obtain parallel data; and sequentially carrying out parallel-serial conversion and baseband demodulation on the parallel data to obtain original serial data. According to the invention, the RS erasure codes are applied to the spread ...