轮胎（轻型载重）

Circulating cooling type numerical control machine tool

The circulating cooling type numerical control machine tool is used for workpiece pin washing and comprises an operation box body, an operation table top is arranged on the upper surface of the operation box body, a cross beam is arranged on the operation box body, a supporting stand column is arranged on the upper surface of the cross beam, a pin washing tool bit is arranged at the top of the supporting stand column, and a fixing platform is arranged on the operation table top of the operation box body. A protective sleeve is arranged on the fixed platform, a plurality of annular cooling pipelines are arranged in the protective sleeve, the annular cooling pipelines are distributed at equal intervals in the axial direction of the protective sleeve, the annular cooling pipelines are communicated through output pipes, the water outlet ends of the output pipes are connected with a water tank, and the output end of the water tank is connected with a condenser; the output end of the condenser ...

高位视频摄像机

越野轮胎

Bus children elevation chi structure

... 本实用新型公开了种公交车儿童标高尺结构，它由竖直布置在公交车车厢内的扶手杆、通过自攻螺钉锁紧固定在所述扶手杆上且与该扶手杆贴合布置的不锈钢板构成，所述不锈钢板上制有横向延伸的高度标线以及位于该高度标线下方的三条弧形条孔，其中两条所述弧形条孔等高程布置，且这弧形条孔位于另条所述弧形条孔的上方，并且位于上方的那两条弧形条孔的凹弧面朝下布置，而位于下方的那条弧形条孔的凹弧面朝上布置。针对上述问题，提出种结构简单、装配方便的公交车儿童标高尺结构，该公交车儿童标高尺结构简单，装配方便，有益于儿童在乘车过程中的身心健康。 ...

Polyolefin thermoplastic elastomer and preparation method thereof

The invention discloses a polyolefin thermoplastic elastomer and a preparation method thereof, and belongs to the technical field of polymer composite materials. The polyolefin thermoplastic elastomer comprises the following components: block co-polypropylene, an ethylene-alpha-olefin copolymer, a compatilizer, a matte conditioning agent, random co-polypropylene, a lubricant and an antioxidant, the matt surface conditioning agent is a compound of a copolymer of ethylene-acrylic acid derivatives and nano spherical powder. The polyolefin thermoplastic elastomer material disclosed by the invention has a good matte effect, excellent low-temperature toughness, good rigid-tough balance and excellent comprehensive mechanical properties, and also has good processing fluidity and demolding property. The preparation technology is simple, continuous large-scale production can be achieved, reinforcing powder does not need to be added, the density is small, a cross-linking agent and alkane oil do not ...

POWER TRAIN AND VEHICLE HAVING SAME

Disclosed are a power train and a vehicle having same. The power train (1000) comprises: a power source (100); a first motor-generator unit (300); a system power output portion (401); and a mode switching device (402), the mode switching device (402) comprising: an input portion (4020), a planetary gear mechanism (P), an adapter (S) and an output portion (4022). The output portion (4022) is connected to an input end of the system power output portion (401). The input portion (4020) outputs the power from the power source (100) and the first motor-generator unit (300). The planetary gear mechanism (P) comprises first to third elements, the first element (P1) being fixed to the input portion (4020), and the second element (P2) being fixedly arranged. The adapter (S) is used to selectively engage one of the first element (P1) and the third element (P3) with the output portion (4022). The output portion (4022) engages with the third element (P3), so as to be adapted to enable the rotation speed ...

METHOD, DEVICE, AND SYSTEM FOR IMPROVING CHANNEL CHANGE SPEED

The present invention relates to the field of electronic terminal application. Disclosed are a method, device, and system for improving channel change speed, which further save the channel change time and significantly improve the channel change speed. Specific embodiments of the present invention are as follows: before a switch instruction input by a user is received, first information of a preset channel is acquired, and audio/video information of the preset channel is buffered; and when a switch instruction for instructing a switch to the preset channel is received and a target channel indicated by the switch instruction is comprised in the preset channel, a program of the target channel is played in a ready state, so that plenty of time is saved, thereby significantly improving the channel change speed. The technical solution of the present invention is mainly applied in a channel change process.

Cutter head resistance moment simulation device for intelligent shield tunneling experiment

The invention discloses a cutterhead resistance moment simulation device for an intelligent shield tunneling experiment, which comprises a welding flange fixedly arranged on the front surface of a cutterhead, a friction cylinder arranged on the welding flange, a center body arranged in the friction cylinder and a torque sensor arranged above the center body, the supporting beam is arranged on the shield body; resistance blocks are symmetrically arranged on the left side and the right side in the cavity of the center body in a sliding mode, and the two resistance blocks are connected with the two ends of an oil cylinder placed in the center body respectively; arc-shaped friction plates are arranged on the outer sides of the resistance blocks respectively. The device can be used for simulating the resistance moment encountered when the cutterhead is tunneled in a shield tunneling experiment, changes of geological conditions, cutterhead states and the like during shield tunneling can be simulated ...

PIXEL STRUCTURE AND MANUFACTURING METHOD THEREOF

A pixel structure and a manufacturing method thereof. The pixel structure comprises a substrate (201), and a first metal layer (202), a first insulation layer (203), a semiconductor layer (204), a second metal layer (205), a second insulation layer (206), and a pixel electrode layer (207) sequentially disposed from bottom to top on the substrate (201). The first metal layer (202) is etched to form a gate (2021) and a common electrode line (2022). The second metal layer (205) is etched to form a source (2051) and a drain (2052). The first insulation layer (203) is provided with a first hole (209) located above the common electrode line (2022). An insulation material layer is disposed between the first hole (209) and the common electrode line (2022). The second insulation layer (206) is provided with a second hole (210) located above the drain (2052). A material forming the pixel electrode layer (207) enters into the first hole (209) and the second hole (210). Gate source capacitance (Cgs ...

Energy -concerving and environment -protective carborundum dewatering device for miropowder

... 本实用新型涉及一种节能环保碳化硅微粉用脱水装置，包括分级釜和脱水装置；还包括缓冲罐，所述分级釜通过管道与所述缓冲罐连接，所述缓冲罐通过高压泵与所述脱水装置连接，所述脱水装置上设有压力气体出口，所述压力气体出口通过压力管道与所述缓冲罐连接；所述压力气体出口处设有压力指示器，所述压力管道上设有气体流速限制器；控制脱水装置工作状态下流体的流速增加和减小梯度，通过控制流体的流速，有效控制错流过滤产生的流体剪切力和惯性举力能促进膜表面溶质向流体主体的反向运动提高过滤速度，实现连续化操作过程中控制循环化，提高脱水效率，节能环保；节能、降耗、高效、环保。 ...

POWER TRAIN AND VEHICLE HAVING SAME

Disclosed are a power train and a vehicle having same. The power train comprises: a power source (100); a first motor-generator unit (300), the first motor-generator unit (300) comprising a first motor-generator and a unit coupling portion, and the first motor-generator being connected to the unit coupling portion; a system power output portion (401); a first mode switching device (402), at least one of the power source (100) and the first motor-generator unit (300) being connected to or disconnected from the system power output portion (401) by means of the first mode switching device (402); and a second mode switching device (403), wherein the power source (100) and the unit coupling portion can be connected to or disconnected from each other by means of the second mode switching device(403). The power source (100) and the unit coupling portion can be connected to each other by means of the second mode switching device (403), such that power from the power source (100) is output to the ...

DISPLAY DEVICE

A display device comprising a compensation drive circuit and m-1 compensation lines connected to the compensation drive circuit, wherein the compensation drive circuit generates m-1 compensation signals and respectively inputs same to the m-1 compensation lines; and the m-1 compensation lines and m-1 second data lines in each second data line group other than the last second data line respectively form a compensation capacitor at an overlapping position. By means of adding m-1 compensation lines, the effect of making the feed-through voltage received by each column of pixels of a display panel uniform can be achieved. The problem of poor display caused by the closing of a gating switch can be solved, thereby saving on circuit space and reducing additional power consumption caused by compensation.

POWER TRAIN AND VEHICLE HAVING SAME

Disclosed are a power train and a vehicle having same. The power train (1000) comprises: a power source (100); a first motor-generator unit (300); a system power output portion (401); and a mode switching device (402), the mode switching device (402) comprising: an input portion (4020), a first switching portion (4021a), a second switching portion (4021b) and an output portion (4022). The output portion (4022) is connected to an input end of the system power output portion (401). The input portion (4020) is adapted to output the power from at least one of the power source (100) and the first motor-generator unit (300). The input portion (4020) selectively engages with one of the first switching portion (4021a) and the second switching portion (4021b). The first switching portion (4021a) and the second switching portion (4021b) are both in cooperative transmission with the output portion (4022). The input portion (4020) engages with the second switching portion (4021b), such that the rotation ...

Windproof advertising lamp box

The utility model discloses a windproof advertising lamp box which comprises a box body and a supporting plate, the outer walls of the two sides of the bottom end of the box body are each provided with two to three circular grooves distributed at equal intervals, supporting rods are connected to the inner walls of the circular grooves in an inserted mode, and a base is arranged on the outer wall of the bottom end of the box body; the outer wall of the bottom end of the base is connected with sliding plates through screws, the sliding plates are connected with supporting rods, the outer wall of the bottom end of the supporting plate is connected with a bottom plate through screws, a rectangular groove is formed in the outer wall of the top end of the bottom plate, and a rectangular hole is formed in the outer wall of the top end of the supporting plate; the sliding plates are matched with the rectangular grooves and the rectangular holes in size. The clamping rod slides into the first clamping ...

POWER TRAIN SYSTEM AND VEHICLE HAVING SAME

Provided is a power train system, comprising: a power source (100); a gear-shift unit (200); a first electric power generator (302), said first electric power generator (302) being in power-coupled connection with said transmission unit (200); a transmission unit output part (201), said transmission-unit output part (201) being configured to be suitable for outputting the power outputted by way of the transmission unit (200); a system power output part (401); a mode conversion apparatus (402), the transmission-unit output part (201) and system power output part (401) being in power-coupled connection or disconnection with one another by means of said mode conversion apparatus (402); the transmission-unit output part (201) and system power output part (401) are in power-coupled connection with one another by means of the mode conversion apparatus (402), and the mode conversion apparatus (402) is suitable for decelerating the power received by the transmission-unit output part (201), then ...

POWER TRAIN AND VEHICLE HAVING SAME

Disclosed are a power train and a vehicle having same. The power train (1000) comprises: a power source (100); a transmission unit, the transmission unit being selectively in a power-coupling connection with the power source; a first motor-generator unit (300); a system power output portion (401); and a mode switching device (402), the mode switching device (402) comprising: a switching device input portion (4020) and a switching device output portion (4022). The switching device input portion (4020) outputs the power from at least one of the power source (100) and the first motor-generator unit (300). The switching device output portion (4022) is connected to an input end of the system power output portion (401). The switching device input portion (4020) and the switching device output portion (4022) are selectively in a power-coupling connection. When the switching device input portion (4020) and the switching device output portion (4022) are in a power-coupling connection, the rotation ...

AUTOMATED GUIDED VEHICLE CONTROL METHOD, AUTOMATED GUIDED VEHICLE AND ITEM TRANSPORTATION SYSTEM

An automated guided vehicle control method, comprising: obtaining a next location of an automated guided vehicle (S101); determining whether the next location is a turning point (S102); if the next location is not a turning point, controlling the automated guided vehicle to pass through the next location in a straight line (S103); if the next location is a turning point, controlling the automated guided vehicle to turn at the next location (S104). The automated guided vehicle control method provides adaptive arc turning decision logic, which dynamically selects what mode to use to move through a turning point according to a real-time status, and also provides an arc turning waiting strategy, which increases the probability of using arc turning in congestion areas, and improves the overall system operation efficiency.

Construction engineering waste treatment equipment

According to the construction engineering waste treatment equipment disclosed by the invention, through mutual cooperation of a separation box, a winnowing device, a conveying belt and a crushing box, light decoration garbage and gravel blocks are separated before crushing operation is carried out, and after the whole waste is crushed, the waste can be directly recycled, so that the crushing effect and the crushing quality are improved; and the subsequent processing difficulty is further reduced. The problem that in existing building waste crushing treatment, light waste and gravel waste are mixed together, and the follow-up treatment difficulty is affected is solved.

Mechanical combined needle valve matching part

The invention relates to the technical field of internal combustion engine needle valve matching parts, in particular to a mechanical combined needle valve matching part which comprises a needle valve, a cooling sleeve, a supporting ring and a guide sleeve, a cooling ring cavity is formed between the lower portion of the supporting ring and the cooling sleeve, and a plurality of cooling oil grooves communicated with the cooling ring cavity are formed in the outer side of the supporting ring. A fuel chamber is formed between the bottom of the guide sleeve and the supporting ring, and a plurality of fuel grooves communicated with the fuel chamber are formed in the outer side of the guide sleeve. A plurality of cooling oil grooves are formed in the outer circle of the supporting ring and form a cooling oil circulation channel with the cooling sleeve, and a plurality of fuel grooves are formed in the outer circle of the guide sleeve and form a fuel channel with the supporting ring, so that ...

METHOD AND APPARATUS FOR IMPLEMENTING DATA CONSISTENCY, AND SERVER AND TERMINAL

A method and apparatus for implementing data consistency, and a server, a terminal and a computer program product. Specifically, the client defined by a Raft protocol generates an operation on data and records the operation as a log entry. The client sends the log entry to the leader node defined by the Raft protocol and multiple follower nodes defined by the Raft protocol. The client receives multiple response messages within a preset time period, the response message describing that the operation is successfully performed. Different response messages in the multiple response messages come from different nodes, for example, the multiple message response messages all come from the multiple follower nodes, for example, one of the multiple response messages comes from the leader node, and the other response messages come from the multiple follower nodes. If the total number of response messages received by the client within the preset time period is greater than the half of the number of ...

VEHICLE OBSTACLE AVOIDANCE METHOD AND APPARATUS, AND VEHICLE

A vehicle obstacle avoidance method, comprising: upon detecting an obstacle, obtaining obstacle information; according to a planned route and the obstacle information, determining whether the obstacle is an obstacle which is straight ahead on the planned route; upon determining that the obstacle is an obstacle which is straight ahead on the planned route, obtaining a centre of gravity position of a vehicle, a safe stopping distance and a vehicle current speed; according to the centre of gravity position, determining a maximum acceleration of the vehicle; according to the obstacle information, the maximum acceleration, the safe stopping distance and the vehicle current speed, determining a straight ahead obstacle avoidance strategy. The obstacle avoidance strategy is determined according to the actions currently being executed by the vehicle and the load conditions, thereby increasing vehicle safety, and also ensuring the execution of the obstacle avoidance. Also disclosed are a vehicle ...

POWER TRAIN AND VEHICLE HAVING SAME

Disclosed is a power train, comprising: a power source (100); a first motor-generator unit (300); a system power output portion (401); and a mode switching device (402), comprising a switching device input portion (4020), a first switching portion (4021a), a second switching portion (4021b) and a switching device output portion (4022). The switch device is connected to an input end of the system power output portion. An input portion of the switch device is adapted to output the power from at least one of the power source and the first motor generator unit. The switching device input portion is fixedly connected to a first switching portion. The switching device output portion selectively engages with the first switching portion or the second switching portion. The switching device output portion engages with the second switching portion, so as to be adapted to reduce the rotary speed output from the switching device input portion before outputting same to the input end of the system power ...

Intelligent capacitor

... 本实用新型涉及电力设备领域，公开了种智能电容器，包括了控制终端机体、智能控制终端、微型断路器组件、操控平台、数据接线口、滤波电容器、微型电流取样互感器、三相电抗器和安装底座，通过结构优化设计，采用上下分离式操控，日常使用可通过操控平台进行简易的中文操作处理，滤波电容器和三相电抗器均安装于控制终端机体方便日常维护；经过合理设计的智能电容器，三相电抗器可附加温控开关进行过温自动保护，可由多种不同规格的电抗器串联形成，从而抑制谐波和涌流。 ...

Automatic edge curling equipment for paper can production

The invention relates to the technical field of paper can production equipment, in particular to automatic hemming equipment for paper can production, which comprises a rack and a hemming mechanism in the rack, a limiting mechanism for clamping a paper can is further arranged in the rack, and a lifting mechanism for controlling the height of the limiting mechanism is arranged below the limiting mechanism. A moving mechanism is arranged below the lifting mechanism; the limiting mechanism comprises at least two clamping plates, connecting assemblies matched with the clamping plates and a power assembly for driving the two connecting assemblies to move, the lifting mechanism is arranged to be matched with the moving mechanism, when the limiting mechanism clamps a paper can and needs to move, the lifting mechanism firstly lifts the limiting mechanism together with the paper can and separates the paper can from the rack, and then the paper can is moved; and then the lifting mechanism and the ...

Protective helmet

The invention discloses a protective helmet which comprises a helmet shell, a helmet lining and an energy absorption and shock absorption assembly, the helmet lining is detachably connected to the helmet shell, the energy absorption and shock absorption assembly is located between the helmet shell and the helmet lining, the energy absorption and shock absorption assembly comprises a shock absorption plate and an elastic piece, the two ends of the elastic piece are connected with the two sides of the shock absorption plate respectively, and the shock absorption plate is fixedly arranged on the helmet shell. Safety protection can be formed between the helmet shell and the helmet lining through deformation of the shock absorption plate and the buffering and energy absorbing effects provided by the elastic piece, the strength of the protective helmet is improved, the helmet lining is detachably connected with the helmet shell, and the helmet lining is convenient to clean.

Tunable near-infrared all-fiber structure gas Raman laser

The utility model provides a tunable near-infrared all-fiber structure gas Raman laser which comprises a pumping source, a hollow-core fiber and a filtering output device, pumping laser output by the pumping source is coupled through a solid-core fiber to enter a fiber core of the hollow-core fiber, the fiber core of the hollow-core fiber is filled with Raman gain gas, and meanwhile pumping laser transmission is restrained. The output end of the hollow-core optical fiber is in coupling connection with the output end solid-core optical fiber, and the output end solid-core optical fiber is provided with a filtering output device. The hollow-core optical fiber provides an environment of long-range interaction between the pump laser and the Raman gain gas, and plays a role in inhibiting generation of other Raman spectral lines. According to the utility model, the all-fiber structure is adopted, and the advantages of compact structure and portability are achieved.

PACKAGE PLACEMENT METHOD, PACKAGE PLACEMENT CONTROL APPARATUS AND PACKAGE PLACEMENT DEVICE

Disclosed are a package placement method and apparatus, the method comprising: obtaining an obstacle distribution of placement areas adjacent to a target placement area, each placement area being correspondingly provided with a package storage apparatus; according to the obstacle distribution, determining a movement direction for a conveying platform to enter the target placement area, the conveying platform being used for placing a package in the package storage apparatus; according to the movement direction for the conveying platform, determining a package placement means; according to the determined package placement means, placing the package in the package storage apparatus corresponding to the target placement area. The package placement means is determined according to the obstacle distribution, and the conveying platform is controlled to move and place the package, thereby saving placement time, eliminating conveying platform stopping and restarting time, and increasing placement ...

NUCLEAR POWER PLANT REACTOR PRESSURE VESSEL AND SHIELDING WALL COMBINATION STRUCTURE

A nuclear power plant reactor pressure vessel and shielding wall combination structure. The combination structure comprises a reactor pit shielding wall (10), a reactor pit (20) formed by the reactor pit shielding wall (10) in an enclosed manner, a reactor pressure vessel (30) disposed in the reactor pit (20), and a thermal insulation layer (34) disposed outside the reactor pressure vessel (30). Up-and-down-through flow channels are respectively disposed between the thermal insulation layer (34) and the reactor pressure vessel (30) and between the thermal insulation layer (34) and the reactor pit shielding wall (10). A reactor pit water injection pipeline (18) is disposed at the lower part of the reactor pit shielding wall (10) in a penetration manner. An accommodation space (120) is disposed on the inner wall of the upper part of the reactor pit shielding wall (10). A flow return path (124) for communicating the accommodation space (120) with a bottom space of the reactor pit is disposed ...

Silicon carbide particle collector is with awl cylindric electrode

... 本实用新型涉及一种碳化硅颗粒收集器用锥筒形电极，包括使用连接螺栓将锥形金属板和非金属薄壁固定在一起形成的中空锥形结构。包含碳化硅颗粒的气体由A端进入中空锥形结构内部，气体中的碳化硅颗粒在电场力作用下发生偏移并附着在锥形金属板的内壁上，在重力和声波振动力作用下沿锥形金属板的内壁逐渐下移并由B端开口处落入颗粒收集盒中，上述整个过程可连续进行，效率高、耗能量小。 ...

Electrical control system and method of liquid engine

The invention relates to the technical field of liquid engines, in particular to an electrical control system and method for a liquid engine, and the electrical control system comprises the liquid engine, a central computer, a measurement single machine, a control and real-time display single machine, and a network switch. When the test needs to be carried out, different types of liquid engine tests can be carried out according to a preset electrical control method. The electrical control system provided by the invention has the advantages of few single machines, low cost and good portability, and is formed by assembling the single machines. According to the electrical control method provided by the invention, various problems which are easy to face in the ground test process of the liquid rocket engine are considered, solutions are provided, and the reliability is high.

POWER TRANSMISSION SYSTEM AND A VEHICLE HAVING THE SAME

Provided is a power transmission system, comprising: a power source (100); a first motor generator unit (300), a system power output unit (401); at least one input shaft; at least one output shaft; a transmission intermediate shaft adapted to transmit power from one input shaft to the corresponding output shaft, and the transmission intermediate shaft is selectively connected to a second mode switching device (403); a first mode switching device (402), which connects or disconnects the output shaft and the first motor generator unit (300) with the system power output unit (401); and a second mode switching device (403), which connects or disconnects the transmission intermediate shaft with the first mode switching device (402). Also related to is a vehicle. The power transmission system can enrich a driving mode of the vehicle, and the vehicle can adapt to different road conditions, which can improve the driver's driving experience.

Automatic loading and unloading method for railway freight containers based on machine vision

The invention provides a railway freight container automatic loading and unloading method based on machine vision, which comprises the following steps: S1, configuring a PLC (Programmable Logic Controller) on a rail-mounted gantry crane, mounting a camera on a main beam of the rail-mounted gantry crane, enabling the camera to be positioned above a train loading lane, and calibrating the camera; s2, container upper top surface edge corner points and compartment top edge corner points in the video image data acquired by the camera are extracted; s3, according to the container type of the container and the position of the container sent by the PLC, the coordinates of the edge angular points of the upper top face of the container in the world coordinate system are determined, and the rotation angle and the translation distance of the container and the carriage relative to the lifting appliance are solved respectively; s4, in the process of loading the container into the compartment, extracting ...

VEHICLE OBSTACLE AVOIDANCE METHOD AND APPARATUS, AND VEHICLE

Provided are a vehicle obstacle avoidance method and apparatus, and a vehicle. The method comprises: upon detecting an obstacle, obtaining obstacle information; according to a planned route and the obstacle information, determining whether the obstacle is an obstacle which is straight ahead on the planned route; upon determining that the obstacle is an obstacle which is straight ahead on the planned route, obtaining a centre of gravity position of a vehicle, a safe stopping distance and a vehicle current speed; according to the centre of gravity position, determining a maximum acceleration of the vehicle; according to the obstacle information, the maximum acceleration, the safe stopping distance and the vehicle current speed, determining a straight ahead obstacle avoidance strategy. The obstacle avoidance strategy is determined according to the actions currently being executed by the vehicle and the load conditions, thereby increasing vehicle safety, and also ensuring the execution of the ...

Pipe-jacking anti-floating construction method for underwater shallow earthing soft stratum

The invention discloses an underwater shallow soil covering soft stratum pipe-jacking anti-floating construction method which comprises the following steps: S1, before pipe-jacking construction, carrying out rotary jet grouting reinforcement pretreatment on a shallow soil covering soft stratum; s2, in the jacking process, prefabricated concrete blocks are placed in the pipe joints for ballasting, and the weight of the balance weight should be determined according to the upward buoyancy force borne by the jacking pipe joints at different positions; and S3, after the concrete block, the buoyancy borne by the pipe joint is reduced in the mode of pipe bottom mud discharging and pipe top mud injecting, and after the top pipe is communicated, the open holes/reserved holes in the pipe bottom and the pipe top are blocked. According to the method, the pipe joint can be efficiently prevented from floating upwards, and unnecessary troubles caused by floating of the pipe joint to a project are avoided ...

POWER TRANSMISSION SYSTEM AND VEHICLE HAVING SAME

A power transmission system (1000) comprises: a power source (100); a gear shift unit (200) adapted to be selectively connected, by power coupling, to the power source (100); a first motor generator unit (300); a system power output section (401); a first model switching device (402), wherein at least one of the gear shift unit (200) and the first motor generator unit (300) is connected, by power coupling, to or disconnected from the system power output section (401) by means of the first model switching device (402); and a second model switching device (403), wherein the gear shift unit (200) may be connected, by power coupling, to or disconnected from the first model switching device (402) by means of the second model switching device (403), and the gear shift unit (200) may be connected, by power coupling, to the first model switching device (402) by means of the second model switching device (403), so as to output power from the power source (100) to the first model switching device ...

POWER TRANSMISSION SYSTEM AND VEHICLE PROVIDED WITH SAME

A power transmission system, comprising: a power source (100); a first motor generator unit (300); a system power output portion (401); at least one input shaft (I, II); at least one output shaft (III, IV); a transfer intermediate shaft (V), the transfer intermediate shaft (V) being adapted to transmit power from one of the input shafts (I, II) to a corresponding output shaft (III, IV), the transfer intermediate shaft (V) being selectively connected to a second mode conversion device (403); a first mode conversion device (402), at least one of an output shaft and the first motor generator unit (300) being connected to or disconnected from the system power output portion (401) via the first mode conversion device (402); the second mode conversion device (403), an input shaft (I, II) being connected to or disconnected from the transfer intermediate shaft (V) via the second mode conversion device (403), an input shaft (I, II) being connected to the transfer intermediate shaft (V) via the second ...

NAVIGATION CONTROL METHOD, SMART WAREHOUSING SYSTEM, AND AUTOMATED GUIDED VEHICLE

Disclosed is a navigation control method for an automated guided vehicle in a warehouse, said method comprising: a superordinate machine receiving a movement command, wherein the superordinate machine stores a global map, and the global map stores positioning code information; according to the movement command, on the basis of the global map, generating positioning code information of a movement path corresponding to the movement command, and sending the positioning code information; a subordinate machine receiving the positioning code information of the movement path, and storing as a local map. The global map is stored in the superordinate machine, and the subordinate machine dynamically updates the current local map. The advantages of the present invention are: the size of the local map is relatively small, and the processing speed of the subordinate machine is rapid, thus helping to increase the response speed and improve the real-time performance of the system.

Novel high -efficient nozzle for fluid energy mill device

... 本实用新型涉及一种新型高效气流粉碎机用喷嘴装置，包括粉碎筒体、壳体、自转动插件和用于锁紧自转动插件的压轮锁紧调整机构；沿粉碎筒体整个圆周方向上固定设有多个壳体，自转动插件安装在所述壳体内部，自转动插件通过周侧设置的多个压轮锁紧调整机构固定在所述壳体上；自转动插件内部设有内流孔；自转动内插件做可调方向的自转动运动，实现自调整穿过自转动内插件中心部位合适的气流量和气压，使得气体拖拽力增加，颗粒加速度增大，在相同距离上速度进一步提高，增大物料颗粒速度，不但可以将颗粒更加细化，而且提高系统粉碎效率；有效降低自转动插件的磨损率，有效降低维修成本，延长喷嘴装置的使用寿命。 ...

Amorphous alloy, alloy preparation method and alloy workpiece

The invention provides an amorphous alloy, the composition of the amorphous alloy is PraCubNicAldNbeMf, and the element M is one or a combination of more of Ag, Y and Ti; 55 < = a < = 72, 7 < = b < = 25, 7 < = c < = 20, 7 < = d < = 18, 3 < = e < = 8, 1 < = f < = 5, and a, b, c, d, e and f are atomic percentages corresponding to alloy elements; the amorphous alloy further comprises inevitable impurities. The invention further provides a preparation method of the amorphous alloy and an amorphous part prepared through the method. The amorphous alloy can be prepared into an amorphous part with high forming ability by adopting metal raw materials with industrial purity, and the amorphous part is not sensitive to the oxygen content in the preparation process, so that the limitation on process conditions in the vacuum casting process is loose, the industrialization cost is reduced, and the production efficiency is improved. Good industrial application prospects are realized.

SMART DEVICE MANAGEMENT METHOD, MOBILE TERMINAL, AND SYSTEM

The present disclosure relates to a smart device management method, a mobile terminal and a system. A mobile terminal sends a smart device binding request to a server; the server sends a recording start instruction to the mobile terminal; the server sends an operation control instruction to the smart device, to instruct the smart device to execute at least one operation; the smart device executes the at least one operation according to the operation control instruction; the mobile terminal records the process of the smart device executing the at least one operation and generate a media file and sends same to the server; and the server parses the media file and determines whether the media file matches the operation control instruction, and if so, associates the smart device with a user management account. The operation control instruction can be randomly generated by the server, and a user is required to record an operation execution process of the smart device in real time, improving the ...

Weianping granules

According to the Weianping Wu granule formula preparation, a plurality of traditional Chinese medicine granules are integrated, and the Weianping Wu granule formula preparation with the main effects of promoting blood circulation to remove blood stasis, eliminating blood stasis, relieving pain, regulating qi, removing flatulence, reinforcing qi and nourishing yin is prepared according to the specified proportion of the formula. The formula comprises ginseng, Chinese angelica, wrinkled gianthyssop herb, fortune eupatorium herb, dwarf lilyturf tuber, charred rehmannia root, coptis root, bitter orange, officinal magnolia bark, dried orange peel, nutgrass galingale rhizome, talc, wine-treated rhubarb, safflower, cowherb seed, trogopterus dung, motherwort herb and peach kernel. Weianping Wang granules are a traditional Chinese medicine granular preparation which is prepared from pure traditional Chinese medicine components and is used for treating chronic gastritis, atrophic gastritis, superficial ...

SATELLITE SIGNAL PROCESSING METHOD AND APPARATUS

A satellite signal processing method and apparatus, for reducing power consumption during satellite signal capturing, and improving satellite search speed. The method comprises: upon capturing a first satellite signal, tracking and locking the first satellite signal to acquire a first signal parameter of the first satellite signal, the first signal parameter comprising a first Doppler frequency shift and a first code phase (S301); determining, according to the first signal parameter, a second signal parameter of a second satellite signal, the source of which is identical to that of the first satellite signal, the second signal parameter comprising a second Doppler frequency shift and a second code phase (S302); tracking and locking the second satellite signal according to the second signal parameter (S303); and completing positioning according to the locked first satellite signal and the locked second satellite signal (S304).

PACKAGE PLACEMENT METHOD, PACKAGE PLACEMENT CONTROL APPARATUS AND PACKAGE PLACEMENT DEVICE

A package placement method and apparatus, the method comprising: obtaining an obstacle distribution of placement areas adjacent to a target placement area, each placement area being correspondingly provided with a package storage apparatus (S10); according to the obstacle distribution, determining a movement direction for a conveying platform to enter the target placement area, the conveying platform being used for placing a package in the package storage apparatus (S20); according to the movement direction for the conveying platform, determining a package placement means (S30); according to the determined package placement means, placing the package in the package storage apparatus corresponding to the target placement area (S40). The package placement means is determined according to the obstacle distribution, and the conveying platform is controlled to move and place the package, thereby saving placement time, eliminating conveying platform stopping and restarting time, and increasing ...

Supersonic speed jet mill is with accelerateing spray tube

... 本实用新型涉及一种超音速气流粉碎机用加速喷管，包括壳体、壳体内的螺旋进气管、进料管和定量注料装置安装座；进料管的出口位于螺旋进气管的出口内壁上，定量注料装置安装座位于进料管的进口处。螺旋进气管与多个进料管配合，优化加速喷管的结构，既提高所属系统的气流加速性能，又优化气流与投入颗粒量的比例，使两者混合更均匀；同时在进料管进口处设置定量注料装置安装座，为定量注料装置提供集成接口。 ...

Rapid particle screening device for plastic processing

The invention relates to a rapid particle screening device for plastic processing, in particular to the technical field of plastic processing, the rapid particle screening device comprises a box body and a hopper arranged at the top of the box body, and a plurality of supporting seats are arranged at the bottom of the box body; a rotating cylinder is arranged in the box body; the top of the rotating cylinder is rotationally connected with the top of the inner side of the box body; the discharging end of the hopper is located at the top opening position of the rotating cylinder, and an intermittent discharging device is arranged at the discharging end of the hopper. A material receiving barrel is arranged at the bottom of the inner side of the box body, and the top of the material receiving barrel is rotationally connected with the bottom of the rotating barrel; the discharging end at the bottom of the rotating cylinder is positioned at the feeding hole in the top of the receiving cylinder ...

SATELLITE SIGNAL PROCESSING METHOD AND SATELLITE POSITIONING APPARATUS

The present invention relates to the technical field of communications. Provided are a satellite signal processing method and a satellite positioning apparatus capable of improving system performance and user experience when an RNSS and an RDSS are integrated. The satellite positioning apparatus comprises: an RNSS radio frequency channel used to receive an RNSS received signal; an RNSS baseband processor coupled to the RNSS radio frequency channel and used to perform position, velocity and time (PVT) computation on the RNSS received signal to obtain PVT information; an RDSS baseband processor used to determine a carrier frequency of an RDSS received signal according to a carrier frequency offset value, the carrier frequency offset value being generated on the basis of the PVT information; and an RDSS radio frequency channel coupled to the RDSS baseband processor and used to receive the RDSS received signal on the basis of the carrier frequency of the RDSS received signal.

Low-carbon-source sewage treatment device and method

The invention discloses a low-carbon-source sewage treatment device and method, and the device comprises a box body which defines a box body accommodating cavity; the anode assembly is arranged in the containing cavity of the box body and is configured to be connected with the anode of the power supply; the cathode assembly is arranged in the containing cavity of the box body and is configured to be connected with the negative electrode of the power supply; wherein the anode assembly and/or the cathode assembly comprise/comprises a first titanium mesh layer, a first porous fiber cotton layer, a first mixed filler layer, a second titanium mesh layer, a second mixed filler layer, a second porous fiber cotton layer and a third titanium mesh layer. According to the sewage treatment device, nascent active hydrogen generated by electrolyzing water on the cathode assembly is used as an autotrophic denitrification electron donor, and efficient and synchronous nitrogen and phosphorus removal of ...

Data processing method and device, storage medium and electronic equipment

The invention discloses a data processing method and device, a storage medium and electronic equipment. The method comprises the steps that target data are obtained, and the target data are at least one piece of data to be processed; determining a target template for processing the target data based on the target data; obtaining a target document, the target document being a document obtained by mapping the target data; and according to the target template and the target document, generating a target script for processing the target data, and processing the target data by using the target script. By means of the data processing method and device, the problem that the data processing effect is poor due to the fact that data are processed in a manual script writing mode in the related technology is solved.

Polymer melt composite vibration injection molding device

The invention discloses a polymer melt composite vibration injection molding device which comprises an injection molding machine, a composite vibration system and an injection mold, and the biggest difference from common injection molding is the composite vibration system of the device. The composite vibration system comprises a low and medium frequency hydraulic vibration system and a high frequency ultrasonic vibration system, the hydraulic vibration system is composed of a hydraulic pump, a rotary valve, a hydraulic cylinder, vibration rods and the like, the vibration rods stretch into a polymer melt flow channel, the number of the vibration rods is even, and the vibration rods can be divided into two groups to conduct reciprocating vibration in the same direction or in the opposite directions at the same time so as to achieve pressure vibration or shear vibration of melt. The ultrasonic vibration system is composed of an ultrasonic generator, a transducer, an amplitude-change pole and ...

Slab centering control method and slab centering rolling device

The embodiment of the invention provides a slab centering control method and a slab centering rolling device, and relates to the technical field of slab rolling. The slab centering control method comprises the steps that the inclination angle of a slab and the distance between the end point of the slab and a laser beam are obtained through a camera device; judging whether the inclination angle of the slab is greater than a preset deviation angle; if the inclination angle of the plate blank is larger than the preset deviation angle, it is judged that the plate blank is in a non-centering state, an alarm signal is sent out, and a roller way is controlled to decelerate; if the inclination angle of the plate blank is smaller than or equal to the preset deviation angle, whether the distance between the end point of the plate blank and the laser beam is larger than the preset deviation distance or not is judged; if the distance between the end point of the plate blank and the laser beam is larger ...

POWER TRAIN AND VEHICLE HAVING SAME

Disclosed are a power train and a vehicle having same. The power train comprises: a power source (100); a first motor-generator unit (300); a system power output portion (401); and a mode switching device (402), the mode switching device (402) comprising: an input portion (4020), a first switching portion, a second switching portion and an output portion (4022). The output portion (4022) is connected to an input end of the system power output portion (401). The input portion (4020) is adapted to output the power from at least one of the power source (100) and the first motor-generator unit (300). The input portion (4020) is fixedly connected to the first switching portion. The output portion (4022) selectively engages with the first switching portion (4021a) or the second switching portion (4021b). The output portion (4022) engages with the second switching portion, such that after the rotation speed output by the input portion (4020) is reduced by successively passing through the first ...

Three -phase unbalanced load automatic regulating apparatus

... 本实用新型涉及输配电设备领域，公开了种三相负荷不平衡自动调节装置，包括了装置柜、户外智能补偿校正装置、电压补偿装置，通过结构设计优化，采用户外智能补偿校正装置、电压补偿装置可以自动调节三项复合不平衡现象，具有电压补偿功能，并且可以增配远程数据传输装置，支持远程数据传输；经过合理设计的三相负荷不平衡自动调节装置结构简单，日常维护方便，并且拥有较大的扩展空间，适合推广应用。 ...

Integral forming method for composite fuselage cylinder section

The invention discloses an integral forming method of a composite material fuselage cylinder section stiffened wallboard. The integral forming method comprises the following steps: S1, paving prepreg on a stringer male mold, cutting and prefabricating a stringer blank; s2, the stringer blank is taken out of the stringer male die and transferred into a stringer cavity of the barrel section forming die to be vacuumized and compacted; s3, the macromolecule core mold wrapped with the tubular vacuum bag is placed in a cavity of the corresponding stringer blank, corresponding filler is placed in gaps between the two sides of the web face of the macromolecule core mold and the barrel section forming mold, and vacuumizing and compacting are conducted after filling and fixing; s4, automatic fiber placement is conducted on the barrel section forming mold where the stringer blank, the core mold and the filler are fixed to prepare the skin; s5, a packaging material is placed on the barrel section forming ...

METHOD FOR PREPARING AN ACOUSTIC COMPONENT HAVING A LIGHTWEIGHT AIR FLOW RESISTANCE-ADJUSTABLE MULTILAYER STRUCTURE

The present invention relates to a method for manufacturing an acoustic component for an automobile, belonging to the technical field of automobile component soundproofing and noise reduction. To make the acoustic component, an ordered stack of a fiber mat, a thermoplastic airtight ΕΑΑ film, and another fiber mat is first fed into a forming die; high-temperature steam having a strong penetration force is used to heat the materials, and compression molding is performed at the same time; then, external dimensions and hole positions are cut, and if there are no defects upon inspection, an acoustic component having a multilayer structure is obtained. The bond between the upper and lower fiber mats of the present invention is achieved by means of the adhesion resulting from a thermoplastic film melting at high temperature, instead of by a binder manually applied on-site; not only is labor conserved and capacity increased, but production efficiency is also significantly improved, and the safety ...

NAVIGATION CONTROL METHOD, SMART WAREHOUSING SYSTEM, AND AUTOMATED GUIDED VEHICLE

Disclosed is a navigation control method for an automated guided vehicle in a warehouse, said method comprising: a superordinate machine receiving a movement command, wherein the superordinate machine stores a global map, and the global map stores positioning code information; according to the movement command, on the basis of the global map, generating positioning code information of a movement path corresponding to the movement command, and sending the positioning code information; a subordinate machine receiving the positioning code information of the movement path, and storing as a local map. The global map is stored in the superordinate machine, and the subordinate machine dynamically updates the current local map. The advantages of the present invention are: the size of the local map is relatively small, and the processing speed of the subordinate machine is rapid, thus helping to increase the response speed and improve the real-time performance of the system.

POWER TRAIN AND VEHICLE HAVING SAME

A power train (1000) comprising a power source (100); a first electrical generator unit (300); a system power output component (401); a first mode switching apparatus (402), the power source (100) and the first electrical generator unit (300) being connected to or disconnected from the system power output component (401) via the first mode switching apparatus (402); a second mode switching apparatus (403), the power source (100) capable of being connected to or disconnected from the first mode switching apparatus (402) via the second mode switching apparatus (403), the second mode switching apparatus (403) comprising a switching apparatus input shaft (VIII), a first switching apparatus intermediate shaft (XI-1) and a switching apparatus output shaft (X), the switching apparatus output shaft (X) being connected to the first electrical generator unit (300); power from the power source being adapted to be output to the first mode switching apparatus (402) after passing in sequence through ...

Power distribution line multi-working-condition fault rate rapid evaluation method based on BP neural network

The invention discloses a distribution line multi-working-condition fault rate rapid evaluation method based on a BP neural network. The method comprises the following steps of 1, preprocessing statistical data closely related to distribution line faults; step 2, in consideration of less historical data under the condition that the distribution line has a fault, improving the ratio of normal data to fault data of a sample by adopting an oversampling algorithm; 3, a BP neural network is combined with multi-source data information, and main parameters in a time-varying fault probability calculation entity model are selected; and 4, the operation state of the distribution line can be regarded as operation under a certain working condition or transfer under different working conditions, and the transfer among the different working conditions establishes a distribution line time-varying state transfer model through a Foke-Planck equation. According to the method, the accuracy and reliability ...

MBSE-oriented visual model conversion method and system

The invention discloses an MBSE-oriented visual model conversion method and system. The method comprises the following steps: carrying out information definition on a tool model and uploading data of the tool model; defining a data format of a data file of the tool model, and defining a data field in the data format of the data file of the tool model based on the selected tool model and the data format of the data file of the tool model; defining a tool model conversion rule between the tool models; creating tool model achievement files for the tool models needing to be converted, and uploading corresponding tool model data files to the tool model achievement files; and calling a model data analysis and conversion engine to analyze the tool model achievement file, and realizing conversion of a corresponding tool model based on a tool model conversion rule to generate a target model achievement file. The method has the advantages that through data conversion and interaction between heterogeneous ...

AUTOMATED GUIDED VEHICLE CONTROL METHOD, AUTOMATED GUIDED VEHICLE AND ITEM TRANSPORTATION SYSTEM

Disclosed is an automated guided vehicle control method, comprising: obtaining a next location of an automated guided vehicle; determining whether the next location is a turning point; if the next location is not a turning point, controlling the automated guided vehicle to pass through the next location in a straight line; if the next location is a turning point, controlling the automated guided vehicle to turn at the next location. The present invention provides adaptive arc turning decision logic, which dynamically selects what mode to use to move through a turning point according to a real-time status. The present invention also provides an arc turning waiting strategy, which increases the probability of using arc turning in congestion areas, and improves the overall system operation efficiency.

Ultraviolet ray degradation organic waste gas produces on -line control system of ozone concentration

... 本实用新型公开了种紫外光降解有机废气产生臭氧浓度的在线控制系统，包括风机、过滤装置、紫外光解净化装置、臭氧检测装置、控制电路板以及中央控制器；所述风机设置在所述过滤装置的前端；所述紫外光解净化装置与所述过滤装置的末端连接；所述中央控制器通过所述控制电路板与所述紫外光解净化装置的前端电连接；所述臭氧检测装置设置在所述紫外光解净化装置的末端且与所述中央控制器电连接；所述臭氧检测装置实时监测所述紫外光解净化装置的末端的臭氧浓度并向所述中央控制器反馈，所述中央控制器根据反馈信号控制所述紫外光解净化装置将臭氧浓度控制在预设的标准浓度范围内。 ...

Spectral projection device for trace material evidence inspection

The invention discloses a spectrum projection device for trace material evidence inspection. The spectrum projection device comprises a projection assembly; the adjusting assembly comprises a bearing base and two supporting pieces, the lower ends of the two supporting pieces are detachably connected with the two opposite ends of the bearing base, the upper ends of the two supporting pieces are provided with rotating connecting structures detachably connected with the two opposite ends of the projection assembly, and the projection assembly is suitable for rotating with the connecting line between the two rotating connecting structures as a rotating shaft to adjust the projection direction. The lower end of the supporting piece moves in the direction of the rotating shaft and can be detached and connected with the bearing base. The rotating connecting structure moves in the direction of the rotating shaft and can be detached and connected with the projection assembly. And the lifting assembly ...

REACTOR CAVITY WATER INJECTION SYSTEM AND METHOD FOR NUCLEAR POWER PLANT

A reactor cavity water injection system and method for a nuclear power plant. The reactor cavity water injection system for a nuclear power plant comprises two subsystems, i.e. a passive reactor cavity water injection subsystem and an active reactor cavity water injection subsystem. The reactor cavity water injection method for a nuclear power plant comprises: when a serious accident occurs, using the two subsystems, i.e. the passive reactor cavity water injection subsystem and the active reactor cavity water injection subsystem, to inject a sufficient amount of water into a reactor cavity (20) in the manner of combining passive and active water injection, so as to conduct external cooling on a pressure vessel (22). The reactor cavity water injection system and method for a nuclear power plant described above can not only ensure early passive reactor cavity submergence and cooling, but also guarantee long-term water injection cooling, and guarantee the integrity of the pressure vessel while ...

DISPLAY PANEL AND DRIVE METHOD THEREOF

A display panel and a drive method thereof. The display panel comprises multiple control circuit modules (105). Each control circuit module (105) is connected to two adjacent touch electrode blocks (102, 103) in a column direction, and is used to receive a last-row scanning signal of the preceding one of the two adjacent touch electrode blocks (102, 103) and a first-row scanning signal of the succeeding one of the two touch adjacent electrode blocks. The control circuit module (105) is turned off when the last-row scanning signal and the first-row scanning signal are both at low electric levels so as to control the two adjacent touch electrode blocks (102, 103) to be electrically disconnected. The control circuit module is turned on when the last-row scanning signal and the first-row scanning signal are both at high electric levels so as to control the two adjacent touch electrode blocks (102, 103) to be electrically connected. The display panel resolves the issue of horizontal stripes ...

Supporting device for outdoor advertising board installation

The utility model discloses a support device for outdoor billboard installation, which comprises a support frame, the outer walls of the two opposite sides of the support frame are rotatably connected with rotating shafts through bearings, the outer walls of the tops of the rotating shafts are fixedly connected with fixing rods, and the outer walls of the two sides of the support frame and the outer walls of the two sides of the fixing rods are provided with threaded holes. And the inner walls of the two threaded holes are in threaded connection with fastening bolts, the outer walls of the two sides of the fastening bolts are fixedly connected with fixing shafts, the ends, away from the fixing rods, of the outer walls of the fixing shafts are fixedly connected with mounting frames, fixing grooves are formed in the outer walls of the mounting frames, and threaded openings are formed in the inner walls of the two opposite sides of the fixing grooves. According to the outdoor billboard mounting ...

Substation secondary security system, method and device and computer equipment

The invention relates to a substation secondary security system, method and device and computer equipment. The system comprises a protection information master station, a secondary security terminal, an oscillograph and a telecontrol machine. The protection information master station is connected with the secondary security terminal, and the secondary security terminal is connected with the oscillograph and the telecontrol machine. The oscillograph is used for acquiring fault data of the transformer substation; the telecontrol machine is used for acquiring monitoring data in the secondary equipment of the transformer substation; the secondary security and protection terminal is used for summarizing the fault data and the monitoring data, and sending the summarized data as secondary security and protection data to the protection information master station; and the protection information master station is used for acquiring the secondary security and protection data and sending the secondary ...

Acoustic probe detection device and method for seabed buried type polymetallic nodule

The invention relates to the technical field of ocean survey and seabed detection, in particular to an acoustic probe detection device and method for seabed buried type polymetallic nodules. Comprising an acoustic emission cross rod, the bottom of the acoustic emission cross rod is connected with a plurality of acoustic emission transducers, and the working frequencies of the adjacent acoustic emission transducers are sequentially doubled; the receiving vertical rod is perpendicular to the acoustic emission transverse rod, the top of the receiving vertical rod is connected with the acoustic emission transverse rod through a holder, the bottom of the receiving vertical rod is connected with the probe, and a plurality of acoustic receiving transducers are arranged on the receiving vertical rod at intervals in the vertical direction; and the holder is rotationally connected with the top of the receiving vertical rod through the control module, and the acoustic emission cross rod is fixed on ...

TOUCH CONTROL PANEL AND MANUFACTURING METHOD THEREFOR

A touch control panel and a manufacturing method therefor, belonging to the technical field of display driving. The touch control panel comprises: a touch control driver (2); multiple touch control signal lines (3), connected to the touch control driver (2); a common electrode layer, comprising multiple common electrodes (4) arranged in an array, wherein each common electrode (4) and at least one touch control signal line (3) communicate with each other correspondingly, the common electrode (4) has at least one opening (5), and the opening (5) is located at an overlapping portion of the common electrode (4) and the touch control signal line (3). The present invention reduces the area of a distal common electrode (4) by means of unevenly excavating openings (5) of the common electrode (4) at different positions in a pixel area (6) so as to realize capacitance matching, thereby preventing, when a screen size is relatively large and the load difference between a proximal end and a distal end ...

VEHICLE POWER TRANSMISSION SYSTEM AND VEHICLE PROVIDED WITH SAME

A vehicle power transmission system (1000) and a vehicle provided with same, the vehicle power transmission system (1000) comprising: a power source (100); a first electric power generator unit (300); a speed change unit (200), the speed change unit (200) being suited to being selectively power coupled to the power source (100), the speed change unit (200) comprising a speed change unit output part (201), the speed change unit output part (201) being suited to outputting power from at least one of the power source (100) and the first electric power generator unit (300); a system power output part (401); and a mode switching apparatus (402); the speed change unit output part (201) and the system power output part (401) are power coupled or disconnected by means of the mode switching apparatus (402), the mode switching apparatus (402) thus being suited to outputting to the system power output part (401) the power received from the speed change unit output part (201) after reducing the speed ...

High-capacitance 400909 type battery and preparation method thereof

The invention belongs to the technical field of lithium batteries, and particularly relates to a high-capacitance 400909 type battery and a preparation method thereof.The high-capacitance 400909 type battery comprises a battery cell and a shell and is characterized by further comprising a drying device; the shell is provided with an external tab; the battery cell is fixedly connected with the shell, and a tab of the battery cell is electrically connected with an external tab; the drying device is located in the shell and comprises a rotating shaft, a torsion spring and a drying box, one end of the rotating shaft is fixedly connected with the shell, the other end of the rotating shaft is rotationally connected with the drying box, the torsion spring and the rotating shaft are coaxially arranged, one end of the torsion spring is fixedly connected with the shell, and the other end of the torsion spring is fixedly connected with the drying box; and a drying agent is arranged in the drying box ...

Metalearning-based small sample sound velocity profile inversion method

The invention provides a small sample sound velocity profile inversion method based on meta-learning, and belongs to the technical field of combination of a radio navigation technology and ocean observation. According to the invention, the basic element learner learns the common features of the sound velocity profile data of different distribution types, and assists the task learner in establishing the mapping relation from the sound field to the sound velocity distribution, so that the task learner can complete model convergence only by a small number of reference sound velocity profile samples and training for a small number of times in the sound velocity distribution type set to which the task belongs. The model overfitting is reduced, and the sound velocity profile inversion precision under the small sample condition is improved. Compared with a traditional sound velocity profile inversion method, the method provided by the invention has the advantages that the reference sound velocity ...

Novel electric ice skate blade sharpener

The utility model discloses a novel electric ice skate blade grinding machine which comprises a grinding mechanism, a clamping mechanism and a shaping mechanism. Wherein the clamping mechanism is connected with the blade, the clamping mechanism is used for fixing the blade, the blade is in contact with the grinding mechanism, and the grinding mechanism is used for grinding the blade. Wherein the shaping mechanism is connected with the clamping mechanism, the clamping mechanism is further used for fixing the shaping mechanism, the shaping mechanism is in contact with the grinding mechanism, and the shaping mechanism is used for grinding the grinding mechanism. The problems that when a blade is ground, an existing blade grinding machine needs to hold the blade for grinding, and operation is troublesome and complex are solved. And when the radian of the contact surface of the grinding wheel and the blade needs to be adjusted, the grinding wheel needs to be detached for grinding adjustment, ...

Active power distribution network reliability evaluation method considering multi-device aging effect

The invention belongs to the technical field of power distribution network reliability evaluation methods, and particularly relates to an active power distribution network reliability evaluation method considering a multi-equipment aging effect. The method comprises the following steps: constructing an active power distribution network reliability evaluation framework; analyzing fault factors of the information system to obtain a failure mode statistical table; mathematical models involved in reliability evaluation are described, wherein the mathematical models comprise an equipment aging model and a corresponding reliability evaluation model constructed for fault modes of an information system and a physical system based on a failure mode and effect analysis method; carrying out scene reduction by taking constraint conditions after formation of an island and charge and discharge of energy storage into consideration, adopting a typical scene clustering method and utilizing a K-means clustering ...

It is simple and easy in same direction as sloping roofing ventilation unit

... 本实用新型技术涉及种建筑屋面通风装置，具体指钢结构厂房中的简易顺坡屋面通风装置，目前钢结构厂房屋面通风装置及缺点是：屋脊气楼，造价高，位置相对固定，因开口较大，易造成漏雨；通风球，通风量小；机械通风器，造价较高、运行维护成本高。为解决上述技术问题，本实用新型提供的技术方案是种简易顺坡屋面装置，包括由支撑骨架，稳定杆，挡水板，侧翼板，和泛水板组成，其特征在于，将支撑骨架背向下端安装在屋面檩条上，中间用两个稳定杆X型交叉固定支撑骨架，在顺坡的另檩条或多个檩条上相对位置安装同样结构，根据需要的通风量来确定其长度。支撑架上安装侧翼板，下部安装泛水板，稳定杆上方安装挡水板。 ...

Shield construction ground surface settlement control optimization method based on stage settlement

The invention discloses a shield construction ground surface settlement control optimization method based on stage settlement, which comprises the following steps of: researching stratum characteristics for analyzing settlement characteristics under different working conditions; defining multi-stage settlement target values, analyzing the relationship between front settlement and rear settlement and the accumulative settlement amount, and giving settlement control target values of different stages under different working conditions; constructing a multi-stage settlement prediction model, and respectively starting from the geometrical parameters, geological parameters and tunneling parameters of the tunnel, and establishing a front-stage settlement prediction model and a rear-stage settlement prediction model; establishing an optimization model and evaluating engineering benefit indexes, and constructing a particle swarm optimization model by taking comprehensive optimization of safety, ...

Self-adaptive control method for rotating speed of TBM cutterhead

The invention relates to the technical field of TBMs (Tunnel Boring Machine), in particular to a TBM (Tunnel Boring Machine) cutterhead rotating speed self-adaptive control method. According to the method, a relevant database and a random forest algorithm optimization model are established, the rotating speed of the cutterhead is adjusted according to real-time parameters, self-adaptive control over the rotating speed of the cutterhead is achieved, and the efficiency of propelling construction and the TBM operation accuracy can be greatly improved.

Geological recognition method based on shield tunneling parameters

The invention relates to the technical field of shield construction, in particular to a geological recognition method based on shield tunneling parameters, which comprises the following steps: collecting tunneling parameters of a shield tunneling machine; statistical analysis and correlation analysis are carried out on the collected tunneling parameters; using a K-Means clustering algorithm to carry out unsupervised learning on shield tunneling parameters and geological categories; and finally realizing geological recognition based on the shield tunneling parameters according to a clustering result. The current geological type of the shield tunneling machine can be confirmed, and a certain reference is provided for accurate regulation and control of tunneling parameters of the shield tunneling machine. The shield tunneling parameters are combined with geological information, the current geology is accurately recognized, safety accidents are prevented, and meanwhile great research significance ...

Civil aviation network certificate generation method and device, electronic equipment and storage medium

The invention provides a civil aviation network certificate generation method and device, electronic equipment and a storage medium. The civil aviation network certificate generation method comprises the following steps: firstly, acquiring resident identity card online function certificate information of a user; then, travel information of the user is collected, and the travel information comprises the travel and identity information of the user; and verifying the identity information based on the resident identity card online function certificate information. And if the identity information verification is passed, generating a civil aviation network certificate of the user based on the resident identity card online function certificate information and the travel information. And finally, collecting flight information of the user, and setting the effective duration of the civil aviation network certificate based on the flight information. According to the method, the civil aviation network ...

Supersonic airflow grinding is compounding controller for system

... 本实用新型涉及一种超音速气流粉碎系统用混料控制器，包括储料箱、直流脉冲电机、出料管、隔板和料辊；使用直流脉冲电机带动料辊旋转进行投料操作：料辊表面上的凹槽与隔板的通孔配合使用，使碳化硅颗粒原料只能在料辊旋转时通过凹槽，实现料辊旋转角度量与投料量的一一对应，可以精确的控制投料量，实现对碳化硅投料投入量的任意调配，提高了碳化硅颗粒的破碎效率。 ...

Method for accelerating growth rate of movable submarine hydrothermal sulfide accumulation body

The invention discloses a method for accelerating the growth rate of a movable submarine hydrothermal sulfide accumulation body, which comprises the following steps of: digging a new hydrothermal nozzle at the external layer of the movable submarine hydrothermal sulfide accumulation body, arranging a growth cover at the newly formed hydrothermal nozzle, and inputting hydrogen sulfide gas into the growth cover to accelerate the growth rate of the movable submarine hydrothermal sulfide accumulation body. More hydrogen sulfide or HS <-> formed by hydrolyzing the hydrogen sulfide is combined with dissolved-state metal in the hydrothermal fluid, and then pile machine operation is downwards carried out on a seabed rock stratum outside a hydrothermal sulfide accumulation body, so that the stability of the seabed rock stratum is damaged in the horizontal direction and the longitudinal direction; more cold seawater is driven to infiltrate into a hydrothermal system below the sulfide accumulation ...

Endoscope image processing circuit system

The invention relates to the technical field of endoscopes, and provides an endoscope image processing circuit system which comprises a camera collection interface circuit, an image processing and system control circuit, a light source adjusting circuit, a camera assembly and a light source assembly. According to the application, the image processing and system control circuit can determine the light source intensity control signal according to the brightness information of the image shot by the camera assembly under the irradiation of the light source of the light source assembly, and the camera collects the interface circuit or the light source adjusting circuit; the light source parameters of the camera assembly or the light source parameters of the light source assembly are adjusted according to the light source intensity control signal, limitation caused by manual light source adjustment is avoided, and the imaging quality of images collected by the electronic endoscope can be improved ...

Preparation method of zirconium-vanadium-iron getter based on 3D printing and zirconium-vanadium-iron getter

The invention provides a preparation method of a zirconium-vanadium-iron getter based on 3D printing and the zirconium-vanadium-iron getter. The method comprises the following steps: providing spherical zirconium-vanadium-iron alloy powder; establishing a three-dimensional model of the required powder product, performing layering and data processing on the three-dimensional model to obtain a model file, and importing the model file into powder 3DP forming equipment; the spherical zirconium-vanadium-iron alloy powder is laid in a powder cylinder of powder 3DP forming equipment to form laid powder, the imported model file is combined, a binder is selectively sprayed into the laid powder through an array type spray head to be subjected to curing forming, a formed body is obtained through heating forming after multi-layer stacking, and a pre-sintered formed body in a preset shape is prepared; and carrying out high-temperature sintering on the pre-sintered formed body in a protective atmosphere ...

Platform district recognition device

... 本实用新型涉及输配电设备领域，公开了种台区识别装置，包括了工作主机、手持识别终端和接线连接夹，采用工频载波调制技术进行台区识别，在相邻台变共高压，共地，共电缆沟以及通信基站影响的情况下可以准确的进行台区识别；经过合理设计的台区识别装置，采用工作主机、手持识别终端分离的方式进行台区识别，台工作主机可与多台的手持识别终端进行载波通信，提高工作效率。 ...

Novel high -efficient carborundum miropowder removes carbon device

... 本实用新型涉及一种新型高效碳化硅微粉除碳装置，包括壳体、转鼓、收集室I和收集室II；所述壳体内设有混合室，所述转鼓位于所述混合室内；所述混合室内从上至下依次设有收集室I和收集室II；所述转鼓上端设有开口I，所述转鼓下端设有开口II；所述混合室两侧壁上设有折流档板，所述折流档板位于所述开口II下方的两侧，所述折流档板内设有防涡流叶片；混合室内高速旋转的转鼓和静止不动的折流档板内的防涡流叶片之间产生的剪切力激烈混合，产生高效传质作用，极快完成两相混合液，吸入转鼓内并在离心力的作用下分层，通过收集I和收集室II完成除碳过程；该装置防腐高效，具有除碳杂质效果好，处理能力强等有益效果。 ...

Bismuth nanoparticle-loaded graphene paper, preparation and heavy metal detection application

The invention relates to graphene paper loaded with bismuth nanoparticles, preparation and heavy metal detection application, and belongs to the technical field of nano material preparation. A substrate is coated with the graphene oxide solution, stripping is performed after air drying, and graphene oxide paper is obtained; placing the graphene oxide paper in a bismuth salt and organic ligand mixed solution for solvothermal reaction to obtain metal organic framework material modified graphene oxide paper; and calcining under the condition of non-oxidizing protective gas, reducing bismuth ions in the metal organic framework material into bismuth nanoparticles, converting organic ligands forming the metal organic framework material into porous carbon, and reducing graphene oxide into graphene, thereby obtaining the graphene paper loaded with bismuth nanoparticles. When the functionalized graphene paper is directly used as a flexible self-supporting electrode for an electrochemical sensing ...

Seabed cold spring gas leakage simulation system

The invention discloses a seabed cold spring gas leakage simulation system, which comprises a gas leakage simulation device and a deck control unit, and is characterized in that the gas leakage simulation device comprises a bubble generation module, a bubble observation module and an energy and control module; the bubble generation module is used for generating bubbles at positions close to the seabed under the conditions of different particle size distribution, density, flow, duration and the like, the bubble observation module is used for acquiring double-view-angle image data of seabed gas leakage presented in a bubble form, and the energy and control module is used for operation control and observation data processing of the system. The deck control unit is used for performing task configuration on the underwater gas leakage simulation device, reading underwater sensor data loaded by the device, and monitoring the operation state of each module of the device; on the basis of bubble ...

Preparation method of vehicle rubber material with high strength and impact resistance

The invention relates to the technical field of rubber, in particular to a preparation method of a vehicle rubber material with high strength and impact resistance. Firstly, irregular aluminum oxide powder is prepared through hot pressing and crushing, then irregular aluminum oxide is added to prepare the high-strength layer, the impact-resistant layer is prepared through a supercritical technology, and finally, the high-strength layer and the impact-resistant layer are bonded to obtain the vehicle rubber material. Compared with a traditional process, the preparation method of the high-strength and impact-resistant vehicle rubber material has the advantages that the strength, friction resistance and impact resistance of the vehicle rubber material are improved, the advantages are outstanding, and the vehicle rubber material is suitable for industrial popularization.

Cross-layer fault positioning method and device, equipment and storage medium

The invention provides a cross-layer fault positioning method and device, equipment and a storage medium, relates to the technical field of cloud computing, and is used for positioning a root cause and an influence range of a cross-layer fault of a cloud resource pool. The method comprises the steps that a cross-layer fault positioning device obtains first alarm information and determines second alarm information based on the first alarm information, and the second alarm information is alarm information indicating that a cross-layer fault occurs. Further, the cross-layer fault positioning device generates a target resource topology according to the target device sending the second alarm information; the target resource topology is used for representing an association relationship between the hardware resource layer devices, a bearing relationship between the hardware resource layer devices and the virtual resource layer devices, and a bearing relationship between the virtual resource layer ...

Bionic mechanical arm based on bi-material 3D printing

The invention belongs to the technical field of bionic mechanical arms, and discloses a bionic mechanical arm based on bi-material 3D printing, the bionic mechanical arm comprises a plurality of segments, each segment comprises a frame, a vertebra and a connecting piece, the frame and the vertebra are made of hard materials, the vertebra is arranged in the center of the segment, and the connecting piece is arranged in the middle of the segment. The frame and the vertebrae are connected through the connecting pieces, the connecting pieces are made of soft materials, the segments are integrally formed through a multi-material 3D printing method, tight and accurate combination of the soft materials and the hard materials can be achieved, the mechanical arm can achieve flexible bending, twisting and winding through cooperation of the joints, and the mechanical arm is flexible in structure, convenient to use and high in practicability. The structural design combining soft and hard materials ...

Optical adhesive with low curing shrinkage rate and high thermal conductivity and preparation method thereof

The invention provides an optical cement with low curing shrinkage rate and high thermal conductivity and a preparation method thereof, the preparation method comprises the following steps: respectively dispersing modified nanoparticles, a catalyst and a polymerization inhibitor to form a prepolymer, uniformly mixing the prepolymer, a reactive diluent and a photoinitiator to form a glue solution, coating a film with the glue solution, and curing with ultraviolet light to obtain the optical cement with low curing shrinkage rate and high thermal conductivity. The optical cement with low curing shrinkage rate and high thermal conductivity is prepared. The method is simple and convenient, the oxygen inhibition condition during UV adhesive curing is reduced, the curing shrinkage rate is reduced, and the heat conductivity is improved.

Construction method for super-large-diameter lake-penetrating pipe jacking and pipe withdrawing

The invention discloses a construction method for super-large-diameter lake-penetrating pipe jacking and withdrawing, which comprises the steps of pipe loosening, overall withdrawing, pumping grouting, stopping protection, tunnel portal plugging and the like, the pipe loosening operation is firstly carried out by arranging a small jack in an existing deviation rectifying oil cylinder bin on a pipeline before pipe withdrawing, and a reverse jacking back device is used for dragging a machine head to withdraw the pipe; in the pipe retreating process, grouting is conducted through the grouting holes formed in the pipeline to reduce friction force, the arranged retreating-stopping device which synchronously retreats is used for observing the condition of the retreating-stopping gap in real time so as to master whether pipe retreating is abnormal or not, and the problem that the jacking pipe needs to retreat when encountering an obstacle in the jacking process can be effectively solved; and meanwhile ...

Novel carborundum miropowder feed for mixed slurry device

... 本实用新型涉及一种新型碳化硅微粉混合浆料用给料装置，包括配制釜、进料管、用于水平螺旋推进运动的粉碎转轴和粉碎电机；配制釜内设有搅拌装置，配制釜一侧设有投料口，进料管的左侧端设有进料口，进料管右侧端与投料口连接；粉碎转轴设在进料管内，粉碎转轴与粉碎电机连接，粉碎电机位于进料管的一侧；粉碎转轴上从左向右环绕间隔沿不同方向设有多个粉碎刀片，粉碎刀片距离粉碎转轴的径向距离沿着粉碎转轴水平方向从左向右依次增大，粉碎刀片径向距离与进料管内壁相匹配；避免混合料浆配制过程中，物料在配制釜内沉淀结块，搅拌不起来，造成与实际配比不一致，影响分级效果；具有节能降耗、提高设备作业率等有益效果。 ...

Image enhancement model rapid training method and system for monitoring equipment, and medium

The invention belongs to the technical field of monitoring image processing, and relates to an image enhancement model rapid training method and system for monitoring equipment, and a medium, and the method comprises the steps: determining original shooting equipment of a to-be-processed image; projecting the image, shooting the image by using the original shooting equipment, switching the image to the next image after shooting is completed, and continuing shooting until shooting of all the images is completed; reading an image shot by the original shooting equipment, and combining the image with an original to-be-processed image to form a data set; and training an image enhancement model according to the data set to generate a final image enhancement model. The obtained image enhancement model has higher adaptability to specific monitoring equipment, so that a better image enhancement effect can be obtained.

Silicon carbide particle grading plant

... 本实用新型涉及一种碳化硅颗粒分级装置，包括壳体、位于壳体内的气流通道、偏移电极和分流辅助模块。本分级装置利用固体颗粒物高速通过电场时的路径偏移现象，使不同粒径的碳化硅颗粒在气流中分层集中；当包含碳化硅颗粒的分层气流经过分流辅助模块时被分成包含不同粒径碳化硅颗粒的两股气流，并分别进入二次分级通道中进行再次分级；上述装置可以将微米级和压微米级的碳化硅颗粒分离出来，以满足高端磨料和精细陶瓷生产对碳化硅颗粒粒径的要求。 ...

Transformer substation inspection system, method and device, computer equipment and storage medium

The invention relates to a substation inspection system, method and device, computer equipment and a storage medium. The system comprises an application layer, a platform layer, a sensing layer and an equipment layer, the equipment layer is used for collecting equipment data of power transformation equipment and transmitting the equipment data to the platform layer; the sensing layer is used for collecting multi-dimensional inspection data and transmitting the multi-dimensional inspection data to the platform layer; and the platform layer is used for classifying the equipment data and the multi-dimensional inspection data to obtain structured data and unstructured data, and uploading the structured data and the unstructured data to the application layer. The method can improve the inspection accuracy of the transformer substation.

Screening plant convenient to dismantle and change

... 本实用新型涉及一种便于拆卸更换的筛分装置，包括筛箱，支架、集尘罩、正反转电机、支撑基座和全焊式绕丝筛管，筛箱位于支架上，所述筛箱一侧设有出料口，集尘罩位于筛箱上方，集尘罩上端面设有出口，集尘罩下端面与筛箱上端面连接；支撑基座和全焊式绕丝筛管位于筛箱内，全焊式绕丝筛管底端与支撑基座密封连接；正反转电机位于支架上，正反转电机位于筛箱下方，正反转电机通过转轴与支撑基座底部连接；该筛分装置可以非常方便的从筛箱内取出，方便清洗、更换，可以根据使用时对粒径大小的需求来随时更换筛管，方便、快捷，有效降低使用和维修成本，延长筛分装置的使用寿命。 ...

Embedded multi-channel image acquisition and processing method and embedded multi-channel image acquisition and processing system

The invention relates to an embedded multi-path image acquisition and processing method, which comprises the following steps of: acquiring multi-path image data, splicing the multi-path image data into a wide-angle image, calibrating the multi-path image data, extracting image feature points by utilizing a feature detection algorithm, performing image fusion processing on the spliced image, and when an optimal suture line is searched, extracting the image feature points by utilizing a feature detection algorithm. The texture feature change around one pixel point is used as a judgment factor; and based on the spliced wide-angle image, an improved Yolov3 target detection algorithm is adopted to realize target detection with smaller granularity. According to the method provided by the invention, through a joint algorithm, the types and position information of all targets are obtained through improved Yolov3 algorithm target detection on an initial frame, after a tracking target frame is selected ...

Programme -controlled linear power amplification equipment suitable for underwater acoustic

... 本实用新型公开了一种适用于水声通信的程控线性功率放大设备，一种适用于水声通信的程控线性功率放大设备，包括微控处理器和依次连接的一级功率控制模块、一级功率放大模块、二级功率控制模块、二级功率放大模块、阻抗匹配模块和水声换能器；所述的微控处理器分别与一级功率控制模块、二级功率控制模块连接；本实用新型能根据通信距离区间的不同，程序控制选择不同的功率放大倍数，在甚低频频段驱动高阻抗的水声换能器，是一种适用于水声环境下通信的程控线性功率放大设备。 ...

Satellite signal processing method and satellite positioning device

The invention discloses a satellite signal processing method and a satellite positioning device, relates to the technical field of communication, and is used for improving system performance and user experience when RNSS and RDSS are integrated. The satellite positioning device comprises an RNSS radio frequency channel which is used for receiving an RNSS receiving signal; the RNSS baseband processor is coupled to the RNSS radio frequency channel and is used for carrying out position speed and time PVT calculation on the RNSS receiving signal to obtain PVT information; the RDSS baseband processor is used for determining the carrier frequency of the RDSS receiving signal according to a carrier frequency offset value, and the carrier frequency offset value is generated based on the PVT information; and the RDSS radio frequency channel is coupled to the RDSS baseband processor and is used for receiving the RDSS receiving signal based on the carrier frequency of the RDSS receiving signal.

Shield circulation system blocking early warning method

The invention relates to a blocking early warning method for a shield circulation system. Comprising the steps of historical data extraction, data state screening, data state analysis, historical data cleaning, real-time data accumulation, equivalent data detection, real-time data cleaning, sliding window processing, feature data analysis, shield state query, diameter type query, circulation system blockage criterion and circulation system blockage early warning. According to the method, the historical data characteristics, the real-time data characteristics, the shield state information and the blocking criterion of the shield circulation system can be combined to judge whether the circulation system is blocked or not, so that the technical problems of low judgment speed and low accuracy in manual judgment of the blocking of the circulation system can be solved; and the urgent demand of shield operation on real-time and accurate judgment of the blocking condition of the circulation system ...