263 results about "Electric trolley" patented technology

The invention relates to a steel structure trestle hoisting device, belongs to the technical field of bridge construction machinery, and is used for solving the technical problems that traditional hoisting equipment is low in mounting precision, poor in posture adjusting efficiency and easy to deform in structure. The device comprises a portal crane main body, wherein an electric trolley of which the stroke is matched with the width of a trestle is arranged at the lower part of a fixed cross beam; the dynamic self-adaptive balance assembly adjusts load balance in real time through a rigid frame, a three-axis tilt angle sensor, a balancing weight and an electric push rod. The lifting appliance group adopts a servo motor to drive four lifting hooks to cooperatively work, and a laser positioning assembly is combined for precise positioning; the digital twinning cooperative control system integrates prediction, control logic and a pre-judgment type intervention module through an embedded industrial controller, analyzes data of an encoder and a pressure sensor in real time, predicts deformation and gravity center shift, and dynamically regulates and controls the hoisting speed, the transverse position of a trolley and the balance weight displacement. The device is suitable for high-precision rapid installation of the large-span steel structure trestle, and the construction safety and efficiency are improved.

The invention relates to the technical field of test conveying, in particular to a conveying device for cable festoon test equipment, which comprises an assembly cross beam, a horizontally arranged bottom guide rod is arranged below the assembly cross beam, and the outer side of the bottom guide rod is movably sleeved with a plurality of external assembly frames. According to the conveying device for the cable festoon test equipment, the electric trolley is connected with one end of a cable for dragging, the cable is hoisted and supported through the external assembly frame on the outer side of the bottom guide rod, the hoisting state of the cable is simulated, and operation and control are very convenient; the electric control type regulation and control locking device is movably assembled in the bottom storage adjustment frame at the lower end of the electric trolley, storage and limiting adjustment can be conducted on the external assembly frame, the adjacent positions of the external assembly frame at different positions can be changed through the electric trolley, manual adjustment is not needed, operation is easy and convenient, and control is accurate.

The utility model discloses a turntable type sand blasting device for cleaning the outer surface of a workpiece, which relates to the technical field of sand blasting devices and is characterized by comprising a sand blasting box, the outer wall of the sand blasting box is fixedly connected with a plurality of supporting blocks through supporting columns, two guide rails are fixedly mounted in the sand blasting box, and the two guide rails are fixedly connected with the sand blasting box. According to the utility model, through the arrangement of the components such as the guide rails, the electric trolley and the rotating disc, the trolley can walk and rotate, so that the position and the direction of a workpiece can be flexibly adjusted, the working efficiency is improved, the working efficiency is improved, and the working efficiency is improved. According to the sand blasting device, the rotating disc is arranged on the connecting shaft, so that the possibility that the workpiece collides with surrounding equipment and facilities is reduced, and in the sand blasting process, the rotating disc can be manually rotated around the connecting shaft through the lower hand hole according to the shape of the workpiece and the part needing to be cleaned, so that all surfaces of the workpiece can be uniformly subjected to sand blasting treatment, and the cleaning effect and comprehensiveness are greatly improved.

The utility model relates to complete equipment for cleaning a groove type pipe. The complete equipment comprises a pipe placing frame, a cleaning groove and a crane, a pipe containing groove is formed in one side of the pipe containing frame, a feeding mechanism and a discharging mechanism are arranged on the two sides of the cleaning groove, the feeding mechanism comprises a to-be-cleaned material frame and a feeding chain row, the discharging mechanism comprises a material storage frame and a discharging chain row, and a feeding station and a first electric trolley for driving the pipe containing frame are arranged on one side of the feeding chain row. A discharging station and a second electric trolley are arranged on one side of the discharging chain row, and the first electric trolley and the second electric trolley horizontally move to drive the pipe containing frame to achieve pipe fitting feeding and discharging relative to the feeding chain row and the discharging chain row; one end of the cleaning tank is provided with a movable pipe connecting device which translates to drive a pipe connecting part to be inserted and sealed with a pipe fitting port on the built-in pipe frame of the cleaning tank, and an external cleaning pipeline is connected with the cleaning tank through a circulating pump after being inserted and sealed to form pipe inner wall circulating cleaning. The pipe fittings in the cleaning tank are orderly arranged and cleaned, the inner walls of the pipes are automatically and circularly cleaned, the cleaning efficiency is high, and the effect is good.

To provide an electric dolly enabling smooth movement even when a problem occurs in an electric system, and improved in convenience.SOLUTION: An electric dolly includes: a dolly body 1 having a loading surface L; a wheel portion 2 provided on the wheel body 1; and control means 3 configured to electrically control a rotation operation of the wheel portion 2. The wheel portion 2 includes: a plurality of first wheels 21 having a substantially circular shape; a second wheel 22 having a rotation shaft P in an anteroposterior direction; and a raising / lowering mechanism that positions the rotation shaft P in a vertical direction by raising / lowering the second wheel 22. The second wheel 22 includes: a shaft portion 22a extending in an anteroposterior direction; and a protruding portion 22b spirally provided on an outer peripheral surface of the shaft portion 22a and capable of being grounded on a predetermined traveling surface together with the first wheel 21. The raising / lowering mechanism S is configured to be capable of manually moving the shaft portion 21a in a vertical direction.SELECTED DRAWING: Figure 2

The utility model provides automatic flushing equipment for a farm. The automatic flushing equipment comprises an electric trolley and a fixing support fixed to the front end of the electric trolley, an electric push rod is vertically arranged at the bottom end of the fixing support, the free end of the electric push rod is fixedly connected with a connecting frame, a reciprocating rotating motor is arranged on the connecting frame, and the reciprocating rotating motor is connected with an axial support. A rotary spraying structure is installed on the axial support and connected with the high-pressure water supply assembly. According to the automatic flushing equipment for the livestock farm, the angle of the spray head and the height of the equipment can be flexibly adjusted, accurate flushing can be achieved, the flushing work efficiency and the flushing quality are improved, water is saved, and the automatic flushing equipment is particularly suitable for laminated poultry houses.

The utility model discloses an electric trolley, it includes frame, the outer surface fixedly connected with handle frame of frame, the outer surface fixedly connected with handle sleeve of handle frame, the outer surface of handle sleeve is provided with button switch, the rear surface fixedly connected with low speed waterproof motor of frame. Through setting button switch and low speed waterproof motor, can provide auxiliary power through low speed waterproof motor to make operating personnel only need to control low speed waterproof motor start -stop through button switch, and cooperate and set up driving wheel, belt, U -shaped seat, connecting shaft, synchronous wheel, first taper tooth, rotating shaft and second taper tooth etc. structure, can drive small size stirring vane and large size stirring vane to rotate in the moving process of trolley, thereby to the material in the first taper tooth inside is stirred, to break the material static state, ensure that material mixes fully, avoid the emergence of the condition that material is dilute under thick.

The invention relates to a charging station for trolley vehicles, in particular trolley buses, comprising contact means (06) for contacting metallic contact surfaces (07) of a current collector head (02) of a current collector (03), wherein the contact means (06) of the charging station (01) are arranged and designed such that they contact the current collector head (02) on contact surfaces (07) outside a central contact shoe (04) of the current collector head, preferably on outer side surfaces of the current collector head (02). According to the invention, it is provided that the contact means (06) comprise at least one leaf spring element (08) which is arranged and designed such that when the contact surfaces (07) are contacted by the contact means (06), it directly rests on the contact surfaces (07) and at least a part of the leaf spring element (08) is deformed against a restoring force and pressed against the contact surfaces (07).

The utility model relates to the technical field of electric push rods, in particular to an overload protection structure for an electric push rod. The overload protection structure for the electric push rod comprises a lead screw and a transmission gear used for being in power connection with a gear reducer, the lead screw sequentially comprises a first threaded section, a fixed section and a second threaded section in the axial direction, the first threaded section, the fixed section and the second threaded section are used for driving the push rod to move along the axis of the push rod, and shaft sleeves are arranged on the outer surfaces of the fixed section and the second threaded section in a sleeved mode. The outer surface of the shaft sleeve is provided with a first retaining shoulder and a second retaining shoulder which are arranged at intervals in the axial direction, the transmission gear is arranged between the first retaining shoulder and the second retaining shoulder in a sleeved mode, and one axial end of the transmission gear is provided with an elastic piece used for abutting against the first retaining shoulder or the second retaining shoulder. The utility model has the advantage that the overall cost of the device is reduced on the premise that the transmission performance and the anti-overload performance of the device are ensured.

The utility model particularly relates to the technical field of electric push rods, and discloses a multi-stage electric push rod which comprises a first mounting seat, a second mounting seat is fixedly arranged on the side wall of the first mounting seat, a third mounting seat is fixedly arranged on the side wall of the second mounting seat, a piston rod is inserted into the third mounting seat, and the piston rod is connected with the second mounting seat. A first gear is rotationally connected to the side wall of the second mounting seat, a second gear is rotationally connected to the middle of the second mounting seat, a third gear is rotationally connected to the side wall, close to the second gear, of the second mounting seat, and a first notch is formed in the side wall, close to the second mounting seat, of the first mounting seat and used for mounting of the first gear, the second gear and the third gear. By arranging the first mounting seat, the first notch, the second notch, the transverse partition plate and the lubricating oil, the contact area between the transverse partition plate and the lubricating oil is increased, so that the heat absorption efficiency of the lubricating oil is improved, the rising speed of the internal temperature of the first notch is reduced when the lubricating oil absorbs heat, the internal temperature of the first notch is reduced, and the service life of the gear is prolonged.

The utility model discloses a felt pile edge pressing device which comprises a support (1) and a placing plate (2) placed in the support (1), felts are stacked on the placing plate (2), a pressing plate (3) located above the placing plate (2) is arranged in the support (1), air cylinders (4) are arranged between the pressing plate (3) and the support (1), the air cylinders (4) are arranged in pairs, the air cylinders (4) are arranged on the two sides of the placing plate (2) respectively, and the air cylinders (4) are arranged in pairs. The pressing plates (3) are arranged above the two sides of the containing plate (2), a fixing frame (5) is arranged in the support (1), a rail (6) is arranged on the fixing frame (5), and an electric trolley (7) connected with the air cylinder (4) is arranged on the rail (6). The air cylinder (4) pushes the pressing plate (3) to press downwards, the two sides of a felt pile are pressed downwards through the pressing plate (3), the two sides of the felt pile are compacted, and therefore follow-up processing and transporting of the felt pile are facilitated.

The present invention belongs to the technical field of welding, and particularly relates to a welding device for metal components, including a base. An end of the base is fixedly connected with a guide plate. An end of the guide plate is slidably sleeved with a sliding plate. An end of the guide plate is fixedly connected with an oil cylinder. A driving end of the oil cylinder is fixedly connected with the inner wall of the sliding plate. Clamping mechanisms are arranged on both the base and the sliding plate. An upper side wall of the guide plate is fixedly connected with an annular guide rail. An electric trolley is slidably arranged in the annular guide rail. A welding assembly is arranged on the electric trolley, including. By clamping the metal components and moving them closer to and contacting each other, the present invention drives the welding torch head to move through the electric trolley to complete the welding work. During welding, the heat conduction plate rotates to the inner side of the welding position to support and conduct out the welding heat, accelerating the welding setting and avoiding the problem of overheating and collapse of the metal components during welding.

The invention discloses an electric trolley facilitating construction. The electric trolley comprises a frame, a walking mechanism arranged at the bottom of the frame and a carriage mechanism arranged at the top of the frame. The carriage mechanism comprises a carriage hopper, one end of the carriage hopper is hinged to the end of the frame, the other end of the carriage hopper is connected with the other end of the frame in a lifting mode through a hydraulic supporting mechanism, a discharging opening is formed in the end, hinged to the frame, of the carriage hopper, and a turnover discharging plate mechanism is arranged at the discharging opening. A handlebar mechanism and a monitoring mechanism are arranged at the end, away from the turnover unloading plate mechanism, of the compartment hopper, and a lighting mechanism is further arranged on the outer side of the compartment mechanism. Inclined unloading of the carriage hopper is achieved through the hydraulic supporting mechanism, and the unloading efficiency is improved; by arranging the monitoring mechanism, the situation around the trolley can be monitored in all directions, voice communication can be achieved through the calling unit, illumination is provided through the illumination mechanism in the environment with insufficient light, and safety accidents caused by the sight problem are avoided.

The invention relates to the technical field of stacking, in particular to fiber metal laminated plate carrying and stacking equipment which comprises a first rack, a conveyor, a mounting frame, an electric guide rail, a moving plate and the like, the conveyor is mounted on the first rack, the mounting frame is connected to the top of the first rack, and the electric guide rail is mounted in the mounting frame; a sliding block of the electric guide rail is connected with a movable plate. Fiber metal laminated plates can be placed on the electric tackle through the electric suction cup to be stacked, when the number of layers of the fiber metal laminated plates is close to that of the containing groove, stacking is suspended, then a cushion plate is pushed into the containing groove through a push plate, the cushion plate can disperse part of pressure, and stacking is completed. And the fiber metal laminated plate at the lower part of the limiting frame is prevented from bearing overlarge concentrated load, so that local deformation or bending of the fiber metal laminated plate at the lower part of the limiting frame can be avoided.

The utility model relates to a rod descending mechanism of an automatic lifting current collector of a trolley bus. The rod descending mechanism is mainly composed of a base, a rotating seat, a pitching arm, a large tension spring, a trolley rod and a current collecting head. One end of the pitching arm is hinged to the rotating seat, the trolley pole is fixed to the other end of the pitching arm, and the current collecting head is installed at the tail end of the trolley pole. The two ends of the large tension spring are hinged to the rotating base and the pitching arm respectively. The mechanism is further provided with a brake to control rotation of the rotating seat and an electric rope winder, and the electric rope winder is connected with the trolley pole through an internal pull rope, so that lifting control over the trolley pole is achieved. The control module is responsible for monitoring the electric connection state of the current collector and operating the brake and the electric rope winder according to the electric connection state so as to quickly respond to and process the rod descending requirement. According to the design, a traditional descending rod and an aligning air cylinder are abandoned, the overall height of equipment is reduced, the available space in a compartment is increased, the structure is simplified, the reaction speed is increased, and the running safety of the trolley bus is enhanced.

The application discloses a kind of garden greening pruning device, belong to garden machinery field.The device includes electric trolley body, pruning cutting unit and collection unit;Pruning cutting unit includes support, cutter head, rotating shaft, rotary seat, lifting support arm, rotary drive mechanism, switching drive mechanism and lifting drive mechanism, switching drive mechanism drives rotary seat to drive rotating shaft switch between vertical and horizontal, lifting drive mechanism drives lifting support arm to lift;Collection unit includes collection cover, hose, collection box, air pipe and negative pressure fan, collection cover can be set in trolley body bottom and be connected collection box by hose with floating up and down, collection box is connected negative pressure fan by air pipe.The application realizes cutter head one-key switching between mowing posture and side pruning posture by switching drive mechanism, adjusts height in combination with lifting drive mechanism, one machine multi-purpose;Meanwhile, through floating collection cover cooperation negative pressure fan, the real-time collection of debris is realized, and the garden maintenance efficiency and cleanliness are improved.

The utility model provides a kind of stroke detection device for electric push rod, for electric push rod's stroke detection device includes electric push rod body and bottom plate, electric push rod body is detachably connected on bottom plate upper end face, bottom plate upper end face is fixedly connected with scale board, scale board side wall is slidably connected with lifting plate, abutting plate is arranged below lifting plate, driving piece is inserted in scale board, driving abutting plate lifting, bottom plate upper end face is slidably connected with the limiting component one of electric push rod body to front and rear limit, lifting plate lower end face is fixedly connected with the limiting seat of electric push rod body to left and right limit, movable plate driven by double-end thread screw rod and bolt nut fixed limiting seat cooperate to limit electric push rod body, both avoid the friction damage of electric push rod and the side wall of detection cylinder, and eliminate the stroke measurement error caused by inclination, significantly improve the precision of detection.

The utility model relates to the technical field of tunnel inspection electric trolleys, and discloses a special electric trolley device for high-voltage cable tunnel inspection, which comprises a machine table, an adjusting assembly is arranged on the upper surface of the machine table, a battery assembly is arranged in the machine table, and the adjusting assembly comprises a fixed seat. The bottom of the fixing base is fixedly connected to the upper surface of the machine table, the upper surface of the fixing base is fixedly connected with a plurality of side frames, the side walls of the side frames are fixedly connected with electric motors, the output end of each electric motor is fixedly connected with a rotating frame, and the upper surface of the fixing base is fixedly connected with a fixing table. According to the utility model, the electric motor outputs the rotating stand to enable the rotating stand to rotate on the side wall of the side frame, the rotation of the rotating stand can push the sliding shaft to enable the sliding block to slide on the outer wall of the fixed table, and the angle of the detection table is further changed through the connection of the sliding shaft, so that the trolley can easily adapt to different inspection requirements; and the operation safety of the cable system is further ensured.

The utility model discloses a manned electric trolley, and belongs to the technical field of electric trolleys. Comprising an electric trolley body, the electric trolley body is used for bearing goods and workers, steering mechanisms are arranged on one side of the top end and one side of the bottom end of the electric trolley body and used for steering of front wheel assemblies, and the front wheel assemblies are symmetrically arranged at the bottom end of the electric trolley body. The steering mechanism is used for damping during running of the electric trolley body, through arrangement of the front wheel assemblies, forward wheels in the two front wheel assemblies are independently arranged, when the electric trolley body encounters vibration during running, damping springs can be repeatedly compressed and released, and then the two forward wheels can independently move up and down; a better damping effect is achieved for the electric trolley body, goods are prevented from being damaged, and the comfort degree of workers at the top end of the electric trolley body is improved.

An automatic mixing device for blood collection tubes relates to the field of medical instruments and comprises a conveying guide rail, an electric trolley, a clamping mechanism and a control mechanism, the conveying guide rail comprises an overturning section formed by spiral extension and transfer sections connected to two ends of the overturning section, and a metal guide sheet extending along a track is arranged on the conveying guide rail; the bottom of the electric trolley is provided with a magnet which can be attracted with the metal guide sheet; the clamping mechanism is arranged on the electric trolley to clamp the blood collection tubes so that the blood collection tubes can turn over along with spiral conveying of the operation trolley; the control mechanism is arranged on the transfer section and located at the input end of the overturning section. Comprising a photoelectric head arranged on a transfer section, a photoelectric sensor which is arranged on a transfer trolley and can be opposite to the photoelectric head, a gravity sensor which is arranged on an electric trolley and can be in contact with a blood collection tube, and a controller which is arranged in the electric trolley and is respectively connected with the photoelectric sensor and the gravity sensor. When the blood collection tubes are driven by the electric trolley to pass through the overturning section of the conveying guide rail, overturning and uniform mixing of the blood collection tubes are automatically completed.

The utility model discloses a driving structure and an electric trolley, the driving structure is used for driving a driving wheel to rotate, the driving structure is arranged in the driving wheel, and the driving structure comprises a driving motor; the first wheel carrier and the second wheel carrier are arranged in a butt joint mode, and the driving motor is arranged between the first wheel carrier and the second wheel carrier in a clamped mode. The first wheel carrier and the second wheel carrier are arranged in a butt joint mode, the driving motor is clamped between the first wheel carrier and the second wheel carrier, stable supporting and fixing can be provided for the driving motor, it is guaranteed that the driving motor is kept at the correct position in the working process, displacement or shaking caused by vibration, impact and other factors is avoided, and therefore normal operation and transmission efficiency of the driving motor are guaranteed; and the stability and reliability of the whole driving system can be improved.

An electric hoist with a fall-prevention structure effectively solves the problem of the risk of electric hoist falling. It includes a track, an electric trolley, and a hoist body. The hoist body is equipped with protective devices located on the front and rear sides of the electric trolley. Each protective device includes a frame, which is fixedly connected to the hoist body. A rotating shaft is mounted on the frame, and a first screw and a second screw with opposite thread directions are coaxially fixed to the rotating shaft. The first screw is threadedly connected to a first nut, and a first frame is fixed to the upper end of the first nut. A first roller in contact with the track is rotatably connected to the lower end of a first positioning plate. Multiple third screws are fixed to the lower end of the first frame, inserting vertically into the interior of the first frame. A second screw is threadedly connected to a second nut, and a second frame is fixed to the upper end of the second nut. A second roller in contact with the track is rotatably connected to the lower end of a second positioning plate. Multiple fourth screws are fixed to the lower end of the second frame, inserting vertically into the interior of the second frame.

The present invention relates to the technical field of switch cabinets, and discloses an electric trolley for switch cabinets, comprising a frame, wherein a first mounting plate is fixedly connected to the top of the frame, a first slide is provided on one side of the first mounting plate, a first slider is slidably connected in the first slide, a mounting frame is fixedly connected to one side of the first slider, a first threaded rod is rotatably inserted into the top of the first mounting plate, the first threaded rod is threadedly inserted into the first slider, a plurality of insulators are fixedly connected to one side of the mounting frame, an insulating cover is fixedly connected to the other end of the insulator, a guide post is inserted into the insulator, the guide post passes through the insulating cover, a contact arm is fixedly connected to the other end of the insulating cover, the contact arm is electrically connected to the guide post, and a plum blossom contact is fixedly connected to the other end of the contact arm. The present invention can adjust the height of the plum blossom contact, thereby facilitating connection with busbar contacts of different heights, thereby accurately completing docking with the busbar contact.

The utility model discloses a hog house cleaning vehicle, which belongs to the technical field of hog house cleaning and comprises an electric cart and a water tank arranged above the electric cart. The cleaning device is characterized in that a telescopic air cylinder is vertically arranged on the electric cart, a mounting block is fixedly connected to the movable rod end of the telescopic air cylinder, a cross rod is arranged at the top end of the mounting block, and swing cleaning assemblies are arranged at the two ends of the cross rod; the high-pressure water gun is controlled to swing in a reciprocating mode through the swing cleaning assemblies located at the two ends of the cross rod, all-directional dead-corner-free cleaning can be conducted on the hog house, meanwhile, the telescopic air cylinder can control the height of the high-pressure water gun in a lifting mode, the cleaning vehicle only needs to linearly move on a passageway, excessive operation of workers is not needed, and the cleaning efficiency is improved. And the cleaning efficiency is greatly improved due to simultaneous operation on two sides.

The invention belongs to the technical field of trolley fixing devices, and particularly discloses a fixing device special for an electric trolley in a construction elevator and a using method of the fixing device. The fixing device comprises a supporting bottom plate, a lifting plate, an electric push rod, a first electromagnetic plate, a supporting back plate and a camera; the supporting bottom plate is arranged on the ground of a construction elevator, and a lifting plate is arranged in the middle of the upper end of the supporting bottom plate and movably connected with the supporting bottom plate through a lifting assembly so that the lifting plate can move in the vertical direction. The first electromagnetic plate is embedded in the surface of the upper end of the lifting plate and is electrically connected with a power supply in the supporting bottom plate; a plurality of electric push rods are arranged at the lower end of one side, far away from the vertical surface, of the supporting back plate; a push rod of the electric push rod is fixedly connected with one side of the supporting bottom plate and used for adjusting the position of the supporting bottom plate relative to the supporting back plate. The camera is arranged at the upper end of one side of the supporting back plate through the top supporting plate, arranged above the lifting plate and used for monitoring the electric trolley in real time, and it is ensured that the position of the electric trolley is not changed.

A large light partition plate transport trolley relates to the technical field of building construction auxiliary equipment and comprises an electric trolley and a handle, an electric switch and a brake handle which are used for controlling the electric trolley to move and stop are arranged in the handle, and U-shaped plates are fixedly mounted at the left end and the right end of the top surface of the electric trolley. A first rotating roller is rotatably mounted in the U-shaped plate through a bearing, a second rotating roller is arranged in the middle of the top surface of the electric trolley, mounting bases are rotatably mounted at the two ends of the second rotating roller through bearings, the mounting bases are fixedly mounted on the front side and the rear side of the top surface of the electric trolley, and the top side of the first rotating roller is flush with the top side of the second rotating roller; a supporting assembly is arranged on the upper portion of the electric cart, and a fixing assembly is assembled on the supporting assembly. By means of the plate conveying device, the problems that friction force between plates and the top face of a trolley is large, the plates are difficult to push to move on the trolley during plate conveying, and labor is wasted can be solved.

The embodiment of the invention provides a trolley bus walking system and a trolley bus, and the walking system comprises two wheels; a fork arm group; one fork arm group is connected with one wheel, and a space capable of accommodating a trolley bus frame is reserved between the two fork arm groups; the fork arm group is connected with the frame; and the buffer device is arranged between the top end of the fork arm group and the frame. According to the trolley bus walking system and the trolley bus provided by the embodiment of the invention, the height of the compartment floor can be reduced.

The application discloses a kind of emergency brake control method and system of trackless trolleybus, method includes: if receiving brake signal, detect current speed v and target distance relative to target position;If the target distance is less than the first threshold value of pre-set and current speed v is greater than the second threshold value of pre-set, function relationship of brake distance s and brake force distribution coefficient is constructed as target function according to target strategy, also obtain the instability working condition information of each carriage, configure the local constraint of the target function according to the instability working condition information;Optimal value is solved to the target function configured with local constraint, and the brake force distribution coefficient of each carriage is obtained, and the corresponding carriage is braked according to the brake force distribution coefficient, until the vehicle stops running.The application guarantees that trackless trolleybus is safely and stably braked, and the shortest brake distance is reached.