33results about How to "No collision problem" patented technology

The invention discloses a transmission response method, device, server and system of a video intercepted content. The transmission response method comprises the following steps: receiving an interception instruction of current video by a foreground, acquiring an identifier of the current video, and determining an identifier of the video intercepted content according to the interception instruction; uploading the identifier of the current video and the video intercepted content identifier. The response server receives the video identifier and the video intercepted content identifier uploaded by an uploading party, searches a corresponding video file according to the video identifier, generates the video intercepted content corresponding to the video file according to the video intercepted content identifier after the corresponding video file is searched and performing associative storage on the video intercepted content and the information of the uploading party. A quick transmission function can be realized, the network bandwidth is saved, the transmission success rate is improved and the logic error rate is reduced.

The invention discloses a strip-shaped material segmentation equipment. The strip-shaped material segmentation equipment comprises a device machine frame, wherein an oil cylinder frame is arranged atone end of the device machine frame, a segmentation rotating frame is hinged to the position, close to the middle, of the machine frame, the upper end of the segmentation rotating frame is matched with the oil cylinder frame through a rotary oil cylinder, the segmentation rotating frame is connected with a cutting board through a plurality of springs, a supporting oil cylinder is arranged at the other end of the device machine frame, the top of the device machine frame is detachably connected with a cutting air cylinder, a piston rod of the cutting air cylinder is connected with a knife rest,a plurality of cutters are detachably connected to the knife rest, a discharging strip frame is detachably connected to the slope position on one side of the device machine frame, a plurality of discharging strips are arranged on the discharging strip frame, and the discharging strips are matched with the cutters. The strip-shaped material segmentation equipment can carry out whole-section cuttingon strip-shaped materials, the segmentation speed is high, the cutting is thorough, the material pieces do not stick to the knife and do not interfere with each other, the form is kept good, and thedischarging is convenient.

The invention discloses a feed method preventing crash onto a spindle of a horizontal five-axis machine at a swinging angle A / B. The feed method includes that a feed track aid (4) in a cylinder form is set to cover a part (2) and a tool (3) for mounting the part; after a cutter (1) processes at a certain station, tip of the cutter (1) returns to the outer cylindrical surface of the feed track aid (4), then lifts to the top face of the outer cylinder and rotates with B angles, with the excircle of the aid as a virtual tip track and the center point of the top face of the outer cylinder as the center, along the excircle of the outer cylinder; after rotates with a required angle, the tip of the cutter (1), along the outer cylindrical surface, descends to the height of the next process station and moves forward for the process, in this way, the cutter (1) or the spindle never crashes onto the part (2) or the tool (3), and huge economic loss, caused by changing of the spindle and the part crashed, is avoided.

The invention provides a vehicle anti-collision control method, a control system and a vehicle, and relates to the technical field of vehicle control systems. The vehicle-mounted anti-collision control method is used for controlling running of a vehicle when the vehicle runs to a height limiting area, and comprises the steps of collecting the height of the vehicle, the height of the height limiting area and the speed of the vehicle; calculating a difference value obtained by subtracting the highest point height of the vehicle from the lowest point height of the height limiting area; judging whether the difference value is within a preset value range or not; and when the difference value is within the preset range, controlling and adjusting the height and / or speed of the vehicle so that thevehicle can safely pass through the height limiting area. The height and the speed of the vehicle are adjusted through active control, early warning is performed at the same time, the vehicle is ensured to safely pass through the height limiting area, a collision problem caused by untimely operation of a driver or effectiveness of operation is avoided, and safety of the vehicle is improved.

The invention discloses a trolley bus DC1500V current collector device. The trolley bus DC1500V current collector device comprises a trolley bus current collector body, wherein the trolley bus currentcollector body is composed of a top illumination lamp, a cable, an electricity receiving sensor, a camera, a pressure sensor, a parallelogram wrist arm assembly, a reset spring, a dust removal air pipe, front and rear distance radars, a cable soft protection tube, an air pressure regulating valve, a main air pipe, a cable protection pipe, a control power distribution box, a check valve, a liftingsolenoid valve, a high pressure hose, a cantilever angle control sensor, an electricity receiving indicator light and an off-bow warning light. The provided trolley bus DC1500V current collector device has a novel structure and is matched with a trolley bus DC1500V rigid contact net system for use; the form of a main body structure of the current collector is simpler, a lifting mechanism is in the form of elastic steel plate, and this structure can ensure that a pantograph is naturally pressed against a busbar; the following performance is better during vibration; it is ensured that there areno off-line situations, and the running reliability is improved.

The invention relates to a using method of an all-metal screw pump heavy oil injection and production integrated device. According to the technical scheme of the using method, the all-metal screw pumpheavy oil injection and production integrated device comprises an oil production pipe column, a fixing device and a wellhead device, the wellhead device is installed at the top of a sleeve, and the fixing device is installed above plugged surfaces; the oil production pipe column is fixed and supported through the fixing device and comprises an injection and production control device, an all-metalscrew pump, a pressure testing device and a positioning device; and the injection and production control device is installed at the upper part of the all-metal screw pump, the lower part of the all-metal screw pump is installed on the fixing device through the positioning device, and the pressure testing device is installed between the fixing device and the all-metal screw pump. The using methodof the all-metal screw pump heavy oil injection and production integrated device has the beneficial effects that firstly, frequent operation construction is not needed, and the whole all-metal screw pump or part of the all-metal screw pump is not needed to be lifted upwards and put down during steam injecting, so that the operating cost is reduced, and the probability of occurrence of safety accidents caused by operation is further reduced; and steam injecting is flexible, and a large amount of high temperature and high pressure steam is not needed to be injected into a stratum once, so that potential safety hazards caused by too high pressure of the one-time injected steam are reduced.

The invention provides a knife card used for article package transportation, and is applied to the technical field of article packaging devices. The lower end surface (5) of a lateral plate of the knife card used for the article package transportation is provided with a plurality of lateral plate element clamping slots I (6); the upper end surface (4) of the lateral plate element is provided witha plurality of lateral plate element clamping slots II (7); a longitudinal plate element (2) comprises the upper end surface (8) of the longitudinal plate element and the lower end surface (9) of thelongitudinal plate element; the upper end surface (8) of the longitudinal plate element is provided with a plurality of longitudinal plate element clamping slots I (10); the lower end surface (9) of the longitudinal plate element is provided with a plurality of longitudinal plate element clamping slots II (11). The knife card used for the article package transportation has a simple structure, theassembled lateral plate element and longitudinal plate element can be guaranteed to avoid a scattering problem during raising or movement, meanwhile, the knife card used for article package transportation can be folded so as to be folded during transportation, the knife card used for the article package transportation can not be extruded and damaged in a transportation process, and service life isprolonged.

A high-rise escape device comprises a base, a transmission mechanism, a support, a gear case and a conveying device. The base is provided with a guide rail. The support is arranged on the guide rail of the base and can move along the guide rail. The high-rise escape device further comprises a motor and a rotating shaft which are arranged on the support. A rope is arranged on the rotating shaft. A self-locking mechanism and a pulley are arranged on the conveying device. The conveying device is fixed to the rope through the self-locking mechanism. The conveying device is moved from one support to another through movement of the rope. According to the high-rise escape device, self locking and unlocking are achieved through the weight of the conveying device, the locking speed is high, the conveying efficiency is high, and bidirectional delivery between a low position and a high position can be achieved.

The present invention provides a method of period allocation for medium and a wireless communication system thereof. The method of period allocation for a medium to be utilized by a first wireless communication device comprising at least one wireless local area network (WLAN) module includes while the first wireless communication device occupies the medium, detecting a termination period of a Network Allocation Vector (NAV) of the medium; and the first wireless communication device extending the termination period of the NAV of the medium if the termination period of the NAV is earlier than an expected period. According to the invention, the communication time between various wireless communication devices having partial overlap radio frequency can be adaptively allocated so that the extended network allocation vector enables the system including at least two wireless communication devices to adaptively perform time-division multiplexing communication operations without communication signal collision.

The invention discloses a material conveying device for a chip mounter. The material conveying device comprises a material conveying support frame (1) and a material conveying pipe belt (2), and is characterized in that the material conveying support frame (1) comprises a vertical rod and a transverse rod, one end of the vertical rod is fixedly connected with the ground, the other end of the vertical rod is fixedly connected with the transverse rod, the material conveying pipe belt (2) is coiled into at least three layers of circular rings, a plurality of material grasping hands (3) are arranged on the material conveying pipe belt (2), and the surface, corresponding to the material grasping hands (3), of the material conveying pipe belt (2) is fixedly connected with the lower surface of the transverse rod. The material conveying device for the chip mounter provided by the invention has the advantages that the design is reasonable, and the material conveying device is suitable for the material conveyance of various materials and belongs to a multifunctional and compact material conveying device for the chip mounter.

The invention discloses an intelligent landing clothes hanger, which comprises a bottom plate, supporting rods and a rectangular top box; the supporting rods are fixedly connected with four corners ofthe top surface of the bottom plate; the upper ends of the supporting rods are fixedly connected with four corners of the bottom surface of the rectangular top box; a hanging rod is fixedly connectedbetween every two supporting rods; a group of circular through holes are formed in two sides of the bottom surface of the rectangular top box respectively, and are internally provided with fan main bodies respectively; the upper ends of the fan main bodies are rotationally connected onto the inner wall of the top end of the rectangular top box; an ultraviolet disinfection lamp is fixedly installed at the middle part of the bottom surface of the rectangular top box; conductive plugs are connected to the ultraviolet disinfection lamp and the fan main bodies through wires, penetrates through therectangular top box and extends to the outer side of the rectangular top box; one side of each supporting rod is fixedly provided with a group of control switches; and the control switches are connected with the ultraviolet disinfection lamp and terminals of the fan main body through wires respectively. The intelligent landing clothes hanger provided by the invention solves the problems of relatively low intelligent degree and single function of an existing landing clothes hanger at present.

The invention relates to a using method of an all-metal screw pump heavy oil injection and production integrated device. According to the technical scheme of the using method, the all-metal screw pumpheavy oil injection and production integrated device comprises an oil production pipe column, a fixing device and a wellhead device, the wellhead device is installed at the top of a sleeve, and the fixing device is installed above plugged surfaces; the oil production pipe column is fixed and supported through the fixing device and comprises an injection and production control device, an all-metalscrew pump, a pressure testing device and a positioning device; and the injection and production control device is installed at the upper part of the all-metal screw pump, the lower part of the all-metal screw pump is installed on the fixing device through the positioning device, and the pressure testing device is installed between the fixing device and the all-metal screw pump. The using methodof the all-metal screw pump heavy oil injection and production integrated device has the beneficial effects that firstly, frequent operation construction is not needed, and the whole all-metal screw pump or part of the all-metal screw pump is not needed to be lifted upwards and put down during steam injecting, so that the operating cost is reduced, and the probability of occurrence of safety accidents caused by operation is further reduced; and steam injecting is flexible, and a large amount of high temperature and high pressure steam is not needed to be injected into a stratum once, so that potential safety hazards caused by too high pressure of the one-time injected steam are reduced.

The invention discloses a commoditized processor adopting roller linkage. The commoditized processor structurally comprises a cleaning machine, a weighing table, a conveying device, an air drying boxand a packaging table. The weighing table is connected to the side face of the cleaning machine, the weighing table is connected with the higher end of the conveying device, the side face of the lowerend of the conveying device is provided with the packaging table, the air drying box is arranged above the conveying device, the conveying device is composed of an installation mechanism, a support and roller sets. The support is provided with the evenly-distributed roller sets. The commoditized processor has the beneficial effects that each roller is connected with a synchronous rod to achieve linkage, the rollers are moved synchronously, when bananas are conveyed, the conveying speeds of the rollers are uniform, and the problem of banana collision caused by different speeds due to the different weights of bananas is avoided. An outer magnetic ring and an inner suspension magnetic sleeve are matched to carry out magnetic suspension supporting on the rollers, the rollers are free of friction during rolling, clamping is prevented, and conveying is smoother.

The invention discloses a distributed node ID generation method and device, electronic equipment and a computer readable storage medium, and the method comprises the steps: determining a first length corresponding to a machine ID and a second length corresponding to a machine room ID if detecting that a service is started; communicating with the data pool through the central stack to obtain a target ID cardinal number provided by the data pool, wherein the target ID cardinal number is a unique ID cardinal number; generating a machine ID and a machine room ID by using the target ID cardinal number, the first length and the second length; using the machine ID and the machine room ID to generate a distributed node ID corresponding to the service; according to the method, the machine ID and the machine room ID are automatically generated, manual configuration is not needed, the target ID cardinal number for generating the machine ID and the machine room ID is the unique ID cardinal number, the nodes are different, and the first length and the second length of each node are the same, so that the generated distributed node IDs are inevitably different, and the problem of ID collision does not occur.

The invention discloses a digital urban rail transit vehicle base system, which comprises an operation state real-time detection module, a monitoring database, a simulation three-dimensional model and an early warning processing module, and is characterized in that various real-time information in the operation state real-time detection module is transmitted to the monitoring database; wherein the detection database establishes a virtual data end based on various real-time information in the running state real-time detection module, the simulation three-dimensional model is based on the monitoring database, a plurality of security nodes are arranged in the simulation three-dimensional model, and the early warning processing module takes each security node as a time node for indicating alarm and processing. And the early warning processing module is internally provided with a control authority of a vehicle driving state. In the using process, the driving state of the vehicle is detected and controlled in a digital management mode, response time of 90 S or above is set, and real-time monitoring and adjustment can be conducted.

The invention relates to the technical field of advertising boards, in particular to an LED advertising board. The LED advertising board comprises a supporting table, a motor is fixedly installed in the supporting table through a fixing plate, the motor drives a rotating shaft to rotate, a special-shaped cam set, a magnetic ring and a planet wheel are arranged on the rotating shaft, the special-shaped cam set and the magnetic ring are fixedly connected through a fixing block, a groove is formed in the outer wall of the planet wheel, a guide rod is fixedly connected to the fixing plate, a sliding rod is slidably connected to the interior of the guide rod, the sliding rod is in rolling connection with the groove through a connecting rod, the motor rotates to drive the planet wheel to rotate, and therefore the sliding rod is driven to move up and down; the sliding rod is in contact connection with the special-shaped cam set, the special-shaped cam set is driven to move up and down, the rotating shaft rotates to drive the special-shaped cam set to rotate, a special-shaped cam and a spring are matched with each other to drive a transmission rod to reciprocate, and therefore an LED lamp panel fixedly connected with the transmission rod reciprocates to achieve the effect of three-dimensional advertising.

The invention provides a mountain multi-cableway multi-cycle partial load type gravity energy storage power station system which comprises a winding device, a power generation device, two rotating wheels and a traction cableway cyclically operating between the two rotating wheels, the rotating wheels are selectively connected with the winding device or the power generation device, one rotating wheel is arranged at a low-altitude position, and the other rotating wheel is arranged at a low-altitude position. One rotating wheel is arranged at a high altitude position, the other rotating wheel is arranged at a high altitude position, the traction cableway comprises a mounting side cable and a no-load side cable, a plurality of energy storage bodies are detachably connected to the mounting side cable through a mounting device, and a plurality of bearing frames fixed to the ground are movably connected to the mounting side cable. And the occupied width of the near-earth space is small, the structure is compact, more parallel cableways can be arranged under the favorable terrain to improve the total installed capacity of the whole energy storage power station, and the construction cost increase caused by terrain interference is greatly reduced.

The present application discloses a distributed node ID generation method, device, electronic equipment, and computer-readable storage medium. The method includes: if it is detected that the service is started, then determine the first length corresponding to the machine ID and the second length corresponding to the computer room ID. Length; communicate with the data pool through the central stack to obtain the target ID base provided by the data pool; the target ID base is a unique ID base; use the target ID base, the first length and the second length to generate the machine ID and the computer room ID; use the machine The distributed node ID corresponding to the ID and computer room ID generation service; this method automatically generates the machine ID and the computer room ID without manual configuration. The first length and the second length of the nodes are the same, so the IDs of the generated distributed nodes must be different, and the problem of ID collision will not occur.

The invention discloses a transmission response method, device, server and system of a video intercepted content. The transmission response method comprises the following steps: receiving an interception instruction of current video by a foreground, acquiring an identifier of the current video, and determining an identifier of the video intercepted content according to the interception instruction; uploading the identifier of the current video and the video intercepted content identifier. The response server receives the video identifier and the video intercepted content identifier uploaded by an uploading party, searches a corresponding video file according to the video identifier, generates the video intercepted content corresponding to the video file according to the video intercepted content identifier after the corresponding video file is searched and performing associative storage on the video intercepted content and the information of the uploading party. A quick transmission function can be realized, the network bandwidth is saved, the transmission success rate is improved and the logic error rate is reduced.

The invention relates to a full-metal screw pump thickened oil injection-recovery integrated control device and method. According to the technical schemes of the full-metal screw pump thickened oil injection-recovery integrated control device and method, a center pipe is mounted in a casing inner cavity, a rotor connecting rod is mounted in an inner cavity of the center pipe and connected to a rotor of a full-metal screw pump through a screw pump connector, and a fixing ring is mounted in an inner cavity of the lower middle portion of the center pipe; a sliding ring is mounted on the outer wall of the rotor connecting rod, and a movable ring is mounted between the fixing ring and the sliding ring; and a cylinder sleeve is fixed to the outer side of the middle of the center pipe through a connecting protrusion, a steam injecting hole is formed in the lower side of the middle of the center pipe, a pressure relief hole is formed in the upper side of the middle of the center pipe, and thelower portion of the cylinder sleeve is matched with the steam injecting hole through a steam injecting piston to achieve opening and closing. The full-metal screw pump thickened oil injection-recovery integrated control device and method have the beneficial effects that the screw pump does not need to be lifted up and put down in steam injecting and pressure relief, the operation cost is reduced,and the occurrence probability of safety accidents caused by operation is also decreased; and steam injecting can be conducted according to the requirement of a stratum at any time, the constructioncost and time are reduced, and the thickened oil recovery efficiency is greatly improved.

The invention discloses a method for making video barrage based on an education cloud platform and an electronic device. The method includes steps: A. After receiving the barrage input by the user, sending a request to the player to add the barrage; B. the player Query whether there is an idle track; C, if there is an idle track, then inquire whether there is a vacancy at the height of the idle track, if there is a vacancy, then play the barrage at the corresponding height and corresponding speed of the track. In the present invention, the barrage is synchronized with the video through track design. And the barrage follows its own track, and the track speed can be updated in real time to meet the requirements of barrage speed. Bullet screens with different font sizes have different tracks, and there will be no collision problem.

The invention belongs to the technical field of egg cleaning equipment, in particular to a progressive egg cleaning manipulator, which includes a collar, the top of the outer surface of the collar is provided with a driving source, and the driving source drives the collar to rotate; The outer surface of the collar is arranged in a ring and is hinged with connecting rods, and elastic structures are arranged at the joints between the plurality of connecting rods; a cleaning robot arm is hinged at the bottom of the connecting rods. The progressive egg cleaning manipulator achieves the effect of revolving and cleaning the outer surface of the eggshell by setting the cleaning robot arm and the inner surface of the connecting rod with cleaning brushes fixedly, and the water pipe can be installed at the top for clamping The bottom of the piston rod of the cylinder can be cleaned while flushing. The first motor drives the collar to rotate in the circumferential direction through the gear, and then drives the cleaning brush on the inner surface of the cleaning robot to rotate to clean the surface of the eggshell. Single cleaning, there is no problem of mutual collision .

The invention provides a sesame washing and draining device for the production of refined sesame seed oil, and aims to solve the problem that sesames are easily destroyed during the washing process in the prior art. The sesame washing and draining device comprises a washing box, an auger, and a draining machine. One end of the washing box is provided with a sesame inlet pipe and a water inlet pipe, and the other end of the washing box is provided with a discharge pipe. The auger is horizontally arranged in the washing box and is driven to rotate by a decelerating motor so as to convey the sesames that float on the water to the discharge pipe. The draining machine is arranged under the discharge pipe and is used to drain the washed sesames. The provided sesame washing and draining device has the advantages of simple structure and convenient operation, can wash the sesames, cannot destroy the sesame structure at the same time, and thus guarantees the quality of the produced refined sesame seed oil.

The vertical circulating parking garage with the damping structure comprises a bottom plate and a damping plate, side plates are welded to the two long side walls of the bottom plate, connecting frames are connected to the outer walls of the two opposite sides of the opposite positions of the two side plates through bolts, and an abutting plate is welded to one side of the short side of the bottom plate; a bridge plate is welded to the outer wall of the side, away from the abutting plate, of the bottom plate, a damping groove is formed in one side of the top of the bottom plate, a damping plate is arranged at the inner groove position of the damping groove, the bottom of the inner wall of the damping groove is in bolted connection with a damping damper, and the other end of the damping damper is in bolted connection with one side of the bottom of the damping plate. The damping device has the beneficial effects that the slidable damping plate and the damping groove are arranged at the bottom of the parking space, then after a vehicle body is pressed downwards, supporting is conducted through the damping damper and the damping spring, and when the garage works circularly, vibration can be reduced through the structure and the buffering structure of the central axis, and the service life of the parking space is guaranteed.

The invention discloses a stair-climbing machine testing device, which comprises a tester body, and the tester body comprises a support frame used for installing a tested stair-climbing machine rotating arm; the counter weight piece comprises a connecting shaft connected with a rotating arm of the stair climbing machine, the connecting shaft and multiple sets of counter weights sequentially penetrate through the counter weights, the counter weights move in the vertical direction in a limited mode, and groove bodies matched with the inserting rods are formed in the connecting shaft and the counter weights; and a stair climbing machine rotating arm for testing, wherein the stair climbing machine rotating arm is arranged on the support frame. Sliding holes matched with the limiting sliding rods are formed in the two sides of the balancing weight, a through hole matched with the connecting shaft is formed in the middle of the balancing weight, an inserting hole is formed in the connecting shaft, an inserting groove is formed in the bottom of the balancing weight, the inserting hole and the inserting groove form a groove body, and the inserting rod is located in the inserting groove and the inserting hole. The connecting shaft is connected with the stair climbing machine rotating arm through a connecting rope; the device has the advantages of being convenient to operate, simple to use, convenient to install the stair climbing machine rotating arm and convenient to increase the weight of a tested object.

The invention relates to a full-metal screw pump thickened oil injection-recovery integrated control device and method. According to the technical schemes of the full-metal screw pump thickened oil injection-recovery integrated control device and method, a center pipe is mounted in a casing inner cavity, a rotor connecting rod is mounted in an inner cavity of the center pipe and connected to a rotor of a full-metal screw pump through a screw pump connector, and a fixing ring is mounted in an inner cavity of the lower middle portion of the center pipe; a sliding ring is mounted on the outer wall of the rotor connecting rod, and a movable ring is mounted between the fixing ring and the sliding ring; and a cylinder sleeve is fixed to the outer side of the middle of the center pipe through a connecting protrusion, a steam injecting hole is formed in the lower side of the middle of the center pipe, a pressure relief hole is formed in the upper side of the middle of the center pipe, and thelower portion of the cylinder sleeve is matched with the steam injecting hole through a steam injecting piston to achieve opening and closing. The full-metal screw pump thickened oil injection-recovery integrated control device and method have the beneficial effects that the screw pump does not need to be lifted up and put down in steam injecting and pressure relief, the operation cost is reduced,and the occurrence probability of safety accidents caused by operation is also decreased; and steam injecting can be conducted according to the requirement of a stratum at any time, the constructioncost and time are reduced, and the thickened oil recovery efficiency is greatly improved.

A high-rise escape device, comprising: a base, a transmission mechanism, a bracket, a gear box and a conveying device, the base is provided with a guide rail, the bracket is arranged on the guide rail of the base, and can move along the guide rail, including The motor and the rotating shaft on the bracket, the rotating shaft is provided with a rope, the conveying device is provided with a self-locking mechanism and a pulley, the conveying device is fixed on the rope through the self-locking mechanism, and the conveying device is moved from a support to Another bracket, the present invention utilizes the self-weight of the conveying device to realize self-locking and unlocking, the locking speed is fast, the conveying efficiency is high, and two-way conveying between low places and high places can be realized.

The invention discloses a greening maintenance system for a smart city. The system comprises a greening wall assembly, a camera, an image analysis module, a control center, a replacement control module, a wall surface fixing mechanism, a robot translation mechanism and an assembly replacement robot, an assembly fixing structure comprises mounting grooves formed in the two sides of the greening wall assembly and anti-falling structures arranged in the mounting grooves, and the assembly fixing structure is divided into a wall surface assembly fixing structure which is mounted on a wall surface through the wall surface fixing structure and a robot assembly fixing structure which is arranged on the assembly replacement robot; and the assembly replacement robot inserts new greening wall assemblies into the wall surface assembly fixing structure from bottom to top, and the new greening wall assemblies jack and insert greening wall assemblies needing to be replaced into the robot assembly fixing structure. The system eradicates the possibility that the greening wall assemblies rotate reversely, slide and fall down in the replacement process, effectively guarantees the safety of the replacement process, has short replacement time, and is safe.

The invention discloses a trolley bus DC1500V current collector device. The trolley bus DC1500V current collector device comprises a trolley bus current collector body, wherein the trolley bus currentcollector body is composed of a top illumination lamp, a cable, an electricity receiving sensor, a camera, a pressure sensor, a parallelogram wrist arm assembly, a reset spring, a dust removal air pipe, front and rear distance radars, a cable soft protection tube, an air pressure regulating valve, a main air pipe, a cable protection pipe, a control power distribution box, a check valve, a liftingsolenoid valve, a high pressure hose, a cantilever angle control sensor, an electricity receiving indicator light and an off-bow warning light. The provided trolley bus DC1500V current collector device has a novel structure and is matched with a trolley bus DC1500V rigid contact net system for use; the form of a main body structure of the current collector is simpler, a lifting mechanism is in the form of elastic steel plate, and this structure can ensure that a pantograph is naturally pressed against a busbar; the following performance is better during vibration; it is ensured that there areno off-line situations, and the running reliability is improved.