76 results about "Light rail" patented technology

A bogie for a rail-based vehicle, such as a train or tram. The bogie comprises one or more rail wheel arrangements, each having two rail wheels. The rail wheels are driven by a motor arrangement, comprising one or more electrical motors. The operation of the motor arrangement is controlled by alternating signals provided by an inverter arrangement formed in the bogie. The inverter arrangements converts a direct current (power supply) to one or more alternating currents, or one or more alternating current power supplies, for controlling the torque applied by the electrical motor(s) of the motor arrangement.

The utility model discloses a roller passing mechanism, and relates to the technical field of lithium battery membrane material conveying equipment, the roller passing mechanism comprises a light rail, two steel plates are fixedly arranged at the two ends of the light rail, a fixing groove is formed in the end, away from the light rail direction, of each steel plate, and a guide shaft parallel to the light rail is arranged between the two steel plates; the two ends of the guide shaft are matched with the corresponding fixing grooves, and a passing roller is rotationally arranged on the outer side wall of the guide shaft. According to the lithium battery membrane material conveying device, the passing roller rotates around the guide shaft, and lithium battery membrane materials are conveyed. The steel plate and the light rail are welded, so that the manufacturing process is simplified, installation is facilitated, a stable overall structure is formed, and the overall assembly precision is guaranteed.

The invention relates to the technical field of road traffic fire protection, and discloses an all-terrain traffic accident disposal practical training base, which comprises a simulation tunnel arranged on one side in the base and comprising an arched tunnel section and a rectangular tunnel section which are communicated with each other; the simulated road comprises an entrance intersection area, an entrance channel, a long road section and a bridge section; the system comprises a simulated light rail, a falling simulation area, a simulated underground garage and a simulated river. According to the invention, an all-terrain and multi-scene comprehensive road traffic accident handling base is designed for the actual needs of road traffic fire-fighting practical training, various traffic road terrains and traffic reality scenes are simulated and arranged in the base, the training scenes are comprehensive and sufficient, the spatial position layout is reasonable and compact, the training effect and efficiency can be improved, and the practical training effect and efficiency can be improved. On the premise of ensuring sufficient setting of the simulated terrain scene, the occupied ground space is reduced to the greatest extent, and the construction cost is saved.

In a coupler (1) for a multi-carriage light rail vehicle, such as a tramcar, a coupler head and a pivot bearing having a substantially vertical pivot axis are provided at opposite ends thereof. An actuation cylinder (4) is provided to rotate the coupler (1) about a pivot axis (3A) between a neutral position and a first angular position. The tensioning device (5) is functionally arranged between the actuating cylinder (4) and a part of the coupling (1) or between the actuating cylinder (4) and a cabin of the vehicle. In the first angular position, the coupling head (2) can be pivoted rearward about the joint (6) into a parking position. Tensioning device (5) allowing rotation of coupling (1) beyond first angular position into second angular position

This invention relates to an automatic feeding and discharging device for laminating furnaces, specifically a device and its implementation method for laminating furnaces used in laminated glass production. The device comprises an upper frame, a lower frame, and a light rail mounted on the upper frame. A scissor-type support is hinged to the upper and lower frames at its upper and lower ends respectively. A fixed seat is mounted on the connecting beam on the other side of the scissor-type support. The drive shaft of a lifting motor extends to both ends and passes through the ends of the scissor-type support. The lower frame has guide rail grooves formed by channel steel structures on both sides. A track wheel is mounted on the outside of the scissor-type support, and the track wheel mates with the guide rail groove. A gear is mounted on the inside of the scissor-type support. A rack is mounted on the crossbeam of the lower frame to mate with the gear. A chain meshes with a double-row sprocket and also mates with a chain guide rail. This device improves the automation level of the laminating furnace feeding and discharging process, thereby increasing the efficiency of laminated glass production.

The invention discloses an intelligent management method and system for a nickel-hydrogen battery pack in a light rail train, and relates to the technical field of battery management, and the method comprises the steps: obtaining a current-day operation timetable, a real-time scheduling instruction and a current charging and discharging amount of the train, and generating a dynamic charging and discharging demand; acquiring train front route information, and matching an optimal charging power curve in advance; the target area temperature and the target lighting requirement in each compartment are obtained, and dynamic load distribution is carried out; obtaining monomer temperature data, monomer current integration and historical cycle data of the battery pack, obtaining a battery health state value, and performing real-time early warning; the battery heat dissipation loop and the air conditioner refrigerant loop work cooperatively; and the recovered energy is subjected to graded recovery. The method has the effect of improving the efficiency and intelligence of battery pack management.

The invention discloses a pocket-size outdoor switch and control mechanism with a grounding function. The outdoor switch and control mechanism with the grounding function comprises a switch body with a grounding function, a transmission part and an electric control box. The invention discloses an outdoor grounding switch and a control mechanism. A switch body is composed of a machine base part, a conductive part and a grounding part. The base part is composed of a base, a main shaft, a middle swing rod and a grounding part. A transmission component is in butt joint with a self-made energy-saving mechanical ball distance-limiting safety coupler at an upper port of a control box below through a coupler and a transmission rod, namely a double-end cross-shaped spline telescopic universal joint, wherein the constant-angular-velocity bevel gear pair is arranged at the output shaft end of a main shaft of a switch body and has a 90-degree intersection angle; and the self-made energy-saving mechanical ball distance-limiting safety coupler is arranged at the upper port of the control box below. The electric control box outputs torque of 12.Nm through a direct current torque motor, speed reduction is carried out through a 1: 4 bevel gear, and a main shaft in the electric control box is used for controlling the outdoor disconnecting switch which is 3 m high above to be switched off / switched on at the speed of 4 revolutions per minute and the torque of 48 N.m. All parts reach the interchange standard, and the switch is produced nationwide, is low in energy consumption, is environment-friendly, and can meet the urgent demands of metros, light rails, rails, intercities and the like in urban rails in China at present for high and medium voltage energy-saving outdoor isolation switches.

1. Name of the product in this design: Profile (track light guide rail HX-CG602). 2. Application of this design: Profile for track light guide rails. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. The rear view is the same as the front view, so the rear view is omitted; the right view is the same as the left view, so the right view is omitted.

This invention discloses a method, device, equipment, and storage medium for identifying abnormal states of light rail bridges. The method includes the following steps: for bridges with the same structural form and span arrangement, monitoring data of each measuring point on the bridge is acquired based on dynamic strain measuring points set at the same control section and spatial location on the bridge; based on the monitoring data, the dynamic strain response when the first train crosses the bridge is determined, and the dynamic strain influence line of the first train crossing the bridge is obtained through the dynamic strain response; based on the dynamic strain influence line, it is determined whether there is an abnormality in the light rail bridge. This application can effectively determine the abnormal state of light rail bridges when trains pass over them, solving the problem of abnormal diagnosis of light rail bridges in actual operation. At the same time, by judging the abnormal state of light rail bridges, the structural safety and health monitoring of light rail bridges is realized, ensuring the smooth operation of the line.

The invention discloses a station track conversion device, which is a key technology for realizing non-stop and non-deceleration getting-on and getting-off of a rail train (high-speed rail) in a station, overcomes the defects of the prior art, makes the non-stop and non-deceleration getting-on and getting-off of the rail train (high-speed rail) in the station possible, is safe, simple, convenient, economical and practical, can greatly save the travel time of passengers, and improves the travel efficiency. The construction cost can be greatly reduced, the rail transit operation cost can be greatly saved, energy can be greatly saved, carbon emission can be greatly reduced, the method is environment-friendly, and the scale of a rail train (high-speed rail) station can be greatly reduced (more than 70% of that of an existing station can be reduced). The carriage is provided with a transparent disturbance-free silent pedestrian path, sliding doors are arranged on two sides of the path for passengers to get in and out of seats, artistic pictures or advertisement pictures are drawn on two sides and the upper portion of the path, and the passengers cannot be disturbed by passing passengers. The method is suitable for rail trains such as high-speed trains, common rail transit trains, subway trains and urban light rail trains.

The invention relates to a light rail strong wind disaster-caused early warning method based on train kinematics and historical wind characteristics. The method comprises the following steps: S1, carrying out grid division on an urban light rail operation area; s2, extracting a light rail vehicle type, basic parameters of a light rail carriage and a curve radius of a light rail track; s3, for each grid, obtaining a wind speed threshold value causing the toppling risk of the light rail train according to the lateral force and centrifugal force applied to the light rail train by strong wind and the relation between the vertical load of the light rail and the transverse force coefficient of the light rail; s4, extracting wind speed historical observation records of all meteorological stations in each grid, and obtaining historical wind characteristics in each grid; s5, extracting a terrain complexity value of each grid region; and S6, completing wind-induced light rail influence grade early warning division according to the wind speed threshold, the historical wind characteristics and the terrain complexity which cause the toppling risk of the light rail train in each grid. According to the invention, the accuracy and initiative of rail transit safety and intelligent meteorological service are improved.

The utility model relates to the technical field of electric power iron tower production, in particular to a steel pipe flush beveling device for an electric power iron tower, which does not need to be adjusted according to the inner diameter of a steel pipe, and is large in adaptive steel pipe inner diameter range, high in practicability and high in working efficiency. Comprising a square tube, a plurality of telescopic arms, four pressing plates, a locking mechanism, four corner blocks, an end plate, two light rails, a mounting base, a bearing, two tool rests, two cutters and a driving mechanism, the two ends of the telescopic arms are rotationally connected with the square tube and the four pressing plates respectively, the four corner blocks are installed at the right ends of the four pressing plates respectively, the locking mechanism is connected with the telescopic arms in a limiting mode, and the end plate is connected with the end plate. The end plate is installed at the right end of the square pipe, the two light rails are installed on the end plate in a sliding mode respectively, the installation base is installed at the right ends of the two light rails, the bearing is installed on the right end face of the installation base, the two cutter rests are symmetrically installed on the outer ring of the bearing, and the two cutters are installed at the outer ends of the two cutter rests respectively. And the driving mechanism is mounted on the mounting seat and is in transmission connection with the two tool rests.

The utility model relates to the technical field of rail transit vehicle bogies, and discloses an anti-side-rolling torsion bar device suitable for small-curve operation, which comprises a torsion bar torsion arm device, a bearing seat device, a connecting rod device and a connecting rod bearing, the torsion bar torsion arm device is used for transmitting torque to resist side rolling of a vehicle body; the bearing seat device is installed on the bogie and used for supporting a torsion bar. One end of the connecting rod device is connected with the torsion bar and torsion arm device, and the other end is connected with the vehicle body; and the connecting rod bearings are arranged at the connecting part of the connecting rod device and the torsion bar and torsion arm device and the connecting part of the connecting rod device and the vehicle body. According to the anti-side-rolling torsion bar device suitable for small-curve operation, by adopting a connecting rod bearing radial installation mode, the problems that when a light rail vehicle passes through a small-curve-radius line, the connecting rod bearing rotates, and the deflection angle is too large are successfully solved, so that the device can meet the operation requirement of the R30m small-curve-radius line; and the safety and the stability of the light rail vehicle when the light rail vehicle passes through a small curve are obviously improved.

A rail vehicle, such as a light rail vehicle, can include a wheel unit and a support unit. The wheel unit can define an axis of rotation of the wheel unit. The support unit can be configured to be connected to a rail vehicle structure that defines a vehicle longitudinal direction, a vehicle transverse direction, and a vehicle height direction. The support unit can be configured to connect the wheel unit to the rail vehicle structure such that the wheel unit is rotatable about the axis of rotation. The support unit can also include a primary suspension unit configured to provide resilient support of the rail vehicle structure on the wheel unit at least in the vehicle height direction.

Light rail system (37) with a U-shaped, elongated receiving profile (36) which is designed to receive an elongated light-emitting diode strip (1), wherein the light-emitting diode strip (1) has an elongated channel-shaped profile (8) with a bottom wall (12) having a bottom surface (14) and side walls (11) extending laterally from the bottom wall (12) and each having a top surface (15), and an inner recess (19) formed between the bottom wall (12) and the side walls (11), and has an elongated light-emitting diode strip (5) arranged in the inner recess, wherein the light-emitting diode strip (5) has a preferably flexible conductor track (10) and a plurality of light-emitting diodes (9) arranged in the longitudinal direction of the light-emitting diode strip (5), and contacting means (2) are arranged in the inner recess (19).which are designed to supply the light-emitting diodes (9) with electrical energy and the inner recess (19) can be filled with potting compound (7), wherein the receiving profile (36) has a first receiving chamber (39) which is designed to receive the light-emitting diode strip (1), characterized in that the receiving profile (36) has a second receiving chamber (35) which is designed to receive a magnetooperative device (32).

The disclosure relates to a light train control system applied to oversea freight railways. The system integrates automatic block, station turnout control and train operation overspeed protection control and comprises an on-board subsystem, an RBC subsystem and a satellite positioning differential base station management subsystem, wherein the on-board subsystem is respectively connected to the RBC subsystem and the satellite positioning differential base station management subsystem. The light train control system adopts two-way continuous train-ground wireless communication and uses on-board signals as main signals of train operation to control the train operation; meanwhile, the system monitors the train operation, so as to provide an alarm to a driver when the situation changes, and to brake a train when necessary; and the system uses an electronic map to manage line data of a whole line, achieves dynamic configuration of the transport capacity by means of a virtual block technology, and remotely controls basic signaling equipment by means of an RBC. Compared with the prior art, the disclosure has the advantages of efficient system operation and simplified trackside equipment.

The application discloses a light rail underframe front end structure and a train, which comprises a traction beam arranged on a floor and a buffer beam arranged behind the traction beam, a buffer beam cover plate arranged on the buffer beam, underframe side beams arranged on both sides of the floor, the buffer beam cover plate extending forward to below the traction beam, a barrier remover mounting plate arranged on the front end of the buffer beam cover plate and extending to both sides of the traction beam, a barrier remover arranged on the barrier remover mounting plate, the barrier remover being connected to the barrier remover mounting plate through an anti-falling structure arranged above the barrier remover, the anti-falling structure comprising a T-shaped mounting plate and anti-falling pressing plates arranged on both sides of the T-shaped mounting plate, one end of the anti-falling pressing plate being connected to the T-shaped mounting plate and the other end being clamped above the barrier remover mounting plate, and a climbing-preventing device mounting structure arranged in front of the traction beam and comprising an opening and closing mechanism mounting assembly for mounting an opening and closing mechanism. The application improves the space utilization and sets the anti-falling mounting seat, thereby improving the operation safety.

A light rail large displacement telescopic device, including a three-dimensional space bearing system supported by a support system and connected at both ends of the expansion joint through a beam system, the three-dimensional space bearing system includes N identical rectangular frames, the inner cavity of the rectangular frame is divided into upper frame, middle frame and lower frame; the support system includes upper and lower support systems with the same structure, the box body is located at both ends of the beam and connected with both ends of the expansion joint through the beam system, both ends of the beam are sleeved in the inner cavity of the box body and connected through the support slidingly fixed on the box body, N rectangular frames are evenly distributed on the beam between the left and right box bodies and are slidingly connected with the beam through the compression support, pressure support and side support fixedly connected in the inner cavity of the upper and lower frames, a limiting system and a displacement system are arranged in the rectangular frame. The telescopic device can meet the requirements of the standard JT / T327-2016 and the requirements of long single connection length, large displacement, high corner turning ability of the rail beam across the river.

The utility model provides a kind of light rail trolley driving anti-misoperation door opening safety device, including shell, the inside of shell is provided with driving piece, the upper end of driving piece is movably provided with lock tongue, the lower end of lock tongue is provided with spring, the side of driving piece is fixedly connected with rack, the inside of shell is provided with driving motor, the output of driving motor is fixedly connected with gear, gear and rack are mutually engaged, the lower end of lock tongue is fixedly connected with emergency pull rod.The utility model is provided with emergency pull rod, in emergency, lock tongue can be pulled out of lock hole.

This invention discloses a light rail vehicle safety monitoring system based on multi-sensor fusion, belonging to the field of light rail vehicle safety monitoring technology. The system consists of several functional modules, including: a multimodal perception module, which captures real-time images of the light rail's surrounding environment and delineates visually marked areas; performs 3D scanning of the visually marked areas to generate environmental point cloud data in real time, and uses a Doppler compensation algorithm to acquire the distance to dynamic objects; a data processing module, which uses optical flow and a CNN deformation detection network to calculate object deformation between adjacent frames; performs relative motion calculations based on object shape analysis; outputs object contours based on MaskR-CNN instance segmentation; simultaneously uses a dynamic target clustering algorithm to perform multi-target tracking of the object contours, and outputs the object's 3D coordinates and motion vectors in conjunction with environmental point cloud data; and a fusion and analysis module, which performs time synchronization based on the PTP protocol.

The invention provides an ultra-long vehicle end distance self-supporting large-passing-width light rail vehicle through passage, which comprises an outer folding shed, an inner folding shed, an inner folding shed, an outer folding shed and an inner folding shed, and is characterized in that two ends of the outer folding shed are connected with adjacent vehicle body ends through connecting frames; the inner folding shed is fixed on the end wall of the vehicle body through a vehicle body frame with a sealing strip and is connected with the outer folding shed; the cab apron assembly is arranged below the inner folding shed and is used for connecting floors of two adjacent vehicle bodies; the connecting rod assembly is connected between the pedal supports on the two sides, and the pedal supports are fixedly connected to the vehicle body chassis and fixedly connected with the lower side of the first pedal. According to the invention, the through passage can meet the passing requirements of a 1000mm ultra-long vehicle end distance and an R25m small-radius curve while the passing width within 1350mm is realized.

The invention discloses a sightseeing light rail vehicle body, which comprises a side wall unit, an underframe unit, a top cover unit and a cab unit which are of an integral frame structure, and the side wall unit comprises an integral long beam, a top cover connecting edge beam, a door upright post, a window upright post and a side wall plate; the bottom frame unit and the top cover unit are respectively arranged below and above the side wall unit, and a drainage pipeline is arranged between the bottom frame unit and the top cover unit; the cab unit comprises a front-end small stand column, a front-end camber beam, a front-end supporting beam, a cab cross beam, a cab stand column and a cab corner; and the cab unit is arranged on the underframe unit and is fixedly connected with the front end of the side wall unit. According to the sightseeing type light rail vehicle body, the strength and rigidity of the vehicle body are guaranteed while the requirement for permeability of large side wall glass, especially the shoulder, is met, the permeability of the front window is guaranteed through the design of the cab of the vehicle body, and passengers can also enjoy scenery outside the vehicle through the front window.

The utility model relates to the technical field of rail transit floating slab ballast beds, in particular to a prefabricated floating slab ballast bed. Comprising prefabricated track plates, an in-plate vibration isolation device and a plate end vibration isolation device, the prefabricated track plates are jointly and elastically supported on a foundation by the in-plate vibration isolation device and the plate end vibration isolation device, the plate end vibration isolation device comprises an upper shell, an elastic element and a lower shell, and the upper shell is provided with horizontal limiting structures corresponding to the adjacent prefabricated track plates supported by the upper shell; the prefabricated track plate is provided with assembling receding holes and connecting screws corresponding to the horizontal limiting structures, and the connecting screws penetrate through the assembling receding holes to be matched with the horizontal limiting structures to fixedly connect the prefabricated track plate with the plate end vibration isolation device. Horizontal limiting is easier to achieve, the risk that shear force transmission elements or prefabricated track plates are damaged is greatly reduced, and the prefabricated floating track bed has the advantages of being compact in structure, long in service life, safe, reliable, easy to maintain and the like and can be widely applied to prefabricated floating track bed projects of track traffic lines such as subways and elevated light rails.

1. Name of the designed product: vehicle handrail (rail transit). 2. Use of the designed product: used as standing handrail on rail transit vehicles, subways, light rails and other public transportation vehicles. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: perspective view 1.

The invention relates to the technical field of wire and cable manufacturing, and discloses a full-shielding multi-core control cable for a light rail metro vehicle, which comprises a main body, and further comprises a contraction mechanism arranged on the inner wall of the main body and used for contracting when components in the main body operate. The side, making contact with the copper wire braid layer, of the second buffer strip is bent after being pushed, meanwhile, the part, making contact with the copper wire braid layer, of the second buffer strip is arched when being pushed and then attached to the folded part of the copper wire braid layer, and therefore the bending range of the copper wire braid layer in the bending process is expanded, the whole copper wire braid layer is in an arc shape, and the service life of the copper wire braid layer is prolonged. The situation that when the subway drives the cable to move, due to the fact that the subway operates for a long time for many times of direction changing, the subway hinged section cable is bent frequently, and then wire breaking occurs at the bending point of the copper wire braid layer is reduced, operation of the copper wire braid layer is more stable, and the shielding quality of the cable in the subway operation process is improved.

The invention relates to a light track synchronous warning method and device, electronic equipment and a storage medium, and belongs to the technical field of safety monitoring, and the method comprises the steps: recognizing and obtaining a current real-time hooking route, and carrying out the consistency verification of the current real-time hooking route and a real-time projection parameter of a projection optical module, and obtaining a warning consistency parameter; performing hook-line feature prediction in the next preset time period to obtain a predicted hook-line route and predicted hook-line features; obtaining predicted visual identification parameters, and performing visual data identification configuration in a next preset time period; and optimal projection parameters are obtained, and light track synchronous warning control of the projection optical module is carried out in the next preset time period. The technical problems that in the prior art, due to the fact that the projection light track cannot be synchronized with the hook running path in real time, the light track warning area lags behind the actual hook running path, and the warning precision is insufficient are solved, and the technical effects that the projection light track and the hook running path are synchronized in real time, and accurate light track warning is achieved are achieved.

The invention discloses a cross-linked polyethylene insulated urban light rail subway direct current cable, and relates to the technical field of cross-linked polyethylene direct current cables, the cross-linked polyethylene insulated urban light rail subway direct current cable comprises a polyvinyl chloride thickened sheath, the polyvinyl chloride thickened sheath is internally provided with a filler and a cross-linked polyethylene insulating layer, the cross-linked polyethylene insulating layers are respectively arranged inside the filler, the inner walls of the cross-linked polyethylene insulating layers are respectively fixed with the copper cores and the annular plates, the annular plates are fixed on the outer wall of the polyvinyl chloride thickened sheath, the rubber rings are fixed on the outer wall of the polyvinyl chloride thickened sheath, and the round shell is fixed on the outer wall of the polyvinyl chloride thickened sheath. The round shell is arranged at the bottom end of the polyvinyl chloride thickened sheath, sliding grooves are formed in the two sides of the bottom face of the round shell, the annular plate is clamped or loosened through the shaft clamping plate, and therefore the problem that the maintenance effect of the cross-linked polyethylene insulated direct-current cable end is poor due to the fact that the direct-current cable end is inconvenient to mount and dismount is solved.

The invention provides a traveling mud scraper rail clamping device in sewage treatment, which comprises an L-shaped rail clamping device bottom plate, and the rail clamping device bottom plate comprises a vertical part and a transverse part; a rail clamping roller is arranged at the bottom of a transverse part of the rail clamping device bottom plate, the rail clamping roller and the rail clamping device bottom plate are connected through a shaft pin, the shaft pin penetrates through the rail clamping device bottom plate, and the shaft pin and the rail clamping device bottom plate are connected through a first nut; a deep groove ball bearing is arranged on the inner side of the rail clamping roller and makes contact with the bottom of the rail clamping device bottom plate through a space ring. A plurality of bolts arranged in rows are arranged on the vertical portion of the rail clamping device bottom plate. The position of the sludge scraper is continuously adjusted by contacting with the light rail in advance and sliding on the light rail, so that the sludge scraper is restored to normal operation, and the problems that the travelling wheels of the travelling sludge scraper are easy to derail and the upper rail deviates from the rail due to non-uniform stress on two sides of the sludge scraper under the action of external force in the prior art are effectively solved.

The invention relates to the field of hydrogen exchange stations, and discloses a top hanging type three-channel hydrogen exchange station which comprises a bottom plate, a plurality of stand columns are fixedly connected to the top of the bottom plate, a supporting beam is fixedly connected to the tops of the stand columns, a light rail is installed on the top of the supporting beam, and a hydrogen exchange cart mechanism is arranged on the light rail. A hydrogen exchange cart mechanism is arranged on the top of the bottom plate, a hydrogen exchange trolley mechanism is arranged on the inner side of the hydrogen exchange cart mechanism, a grabbing mechanism is arranged below the hydrogen exchange trolley mechanism, a laser scanning assembly is arranged on the top of the bottom plate, a hydrogen storage box set is arranged on the top of the bottom plate, the hydrogen exchange cart mechanism comprises two bearing beams, and the two bearing beams are installed on a light rail. A vehicle and a hydrogen storage box set are accurately positioned through the laser scanning assembly, the system controls all mechanisms to cooperatively operate according to positioning information, the whole process from moving of a hydrogen exchange cart and a hydrogen exchange trolley to lifting grabbing of the grabbing mechanism is automatically completed, the hydrogen exchange efficiency is greatly improved, manual intervention is reduced, and the labor intensity and the operation risk are reduced.