Longitudinal beam transfer vehicle structure

Abstract

The longitudinal beam type transfer vehicle structure of the present invention has a fixed connection column, a cross beam and a longitudinal support beam on the top of the trailer chassis, a rack and a driving gear are arranged on the bottom surface of the U-shaped groove of the longitudinal support beam, a pulley is hoisted under the longitudinal support beam through a pulley frame, and a hook on the pulley is lowered by a remote control pulley motor to hook a steel wire rope on the front wheel of the car, and then the gear and rack are driven forward by the gear driving motor, and the front wheel of the accident car is moved to the front part of the trailer box by traction, and the rear wheel of the accident car also enters the interior of the trailer box through the inclined transition plate. The structure is simple and compact, light in weight, and takes up little space. The accident car can be limited and fixed by a guardrail, the transportation process is stable and reliable, and secondary collision is reduced. The production, installation, use, lifting and traction operations are convenient, and the raw material consumption is small and the cost is low.

Description

Technical Field

[0001] The invention relates to a longitudinal beam type transfer vehicle structure in the transportation equipment technology of the road traffic industry. Background Art

[0002] With the rapid development of social economy, the number of domestic cars has increased significantly, and has jumped to the second place in the world; and with the increase in the number of cars, the number of traffic accidents in the operation of cars has also increased significantly. Cars may not be able to drive normally due to malfunctions during driving. Accident vehicles or faulty vehicles need to be towed and loaded by special trailers to be transported to car repair points or accident handling centers. Traditional trailers use cargo box compartments to load and transport accident cars. They are large and bulky, inconvenient to operate during manufacturing, installation and loading of accident cars, consume a lot of raw materials, are costly, are not easy to limit and fix, and are prone to secondary collisions. In addition, the chassis of the compartment is high from the ground, which makes lifting and towing operations inconvenient and difficult to load and unload. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a longitudinal beam transfer vehicle structure which can reduce the weight of the vehicle compartment, has a simple structure, is easy to manufacture, install and use, has a low cost, is easy to fix the accident vehicle, and is stable and reliable.

[0004] The longitudinal beam transfer vehicle structure of the present invention is characterized in that it comprises four vertical support columns fixedly arranged above the trailer chassis, the top of the columns are fixedly connected to two front and rear cross beams, and the middle of the two cross beams is fixedly connected to a longitudinal support beam extending from the rear end of the trailer chassis to the front end in the longitudinal direction, and the cross section of the longitudinal support beam is a U-shaped groove structure, a rack is fixedly installed on the bottom surface of the U-shaped groove, a driving gear is meshed on the rack, and the driving gear is fixedly connected to the middle of a transmission shaft; longitudinal guide grooves are respectively arranged on the two side walls of the U-shaped groove, and the two ends of the transmission shaft of the driving gear pass through the two side guide grooves respectively. The U-shaped groove extends to the outside of the U-shaped groove, and one end of the U-shaped groove is connected to a gear drive motor; a U-shaped pulley frame is also connected below the transmission shaft, and the upper sections of the two sides of the pulley frame are respectively located outside the two sides of the longitudinal support beam, and the tops of the two sides of the pulley frame are respectively hingedly connected to the transmission shaft, and a pulley is arranged inside the lower section of the pulley frame located below the longitudinal support beam, and the pulley is connected to a hook through a steel wire rope, and the pulley is connected to the two side walls of the pulley frame through a pulley shaft, and one end of the pulley shaft extends to the outside of the pulley frame and is connected to a pulley motor; the gear drive motor and the pulley motor are communicatively connected to an external remote control;

[0005] The width of the lower section of the pulley frame is smaller than the width of the upper section;

[0006] The gear drive motor and the pulley motor are located outside the same side of the longitudinal support beam;

[0007] The gear drive motor and pulley motor are both bidirectional servo motors;

[0008] A dust cover is provided above the longitudinal support beam;

[0009] The transmission shaft is respectively installed in the guide grooves on both sides of the longitudinal support beam through sliding bearings;

[0010] The cross beam is fixedly connected to the column by welding, and the longitudinal support beam is also fixedly connected to the cross beam by welding;

[0011] The rear end of the trailer chassis is hingedly connected with an inclined transition plate;

[0012] Guardrails are fixedly connected between two upright posts on both sides of the trailer chassis.

[0013] The longitudinal beam type transfer vehicle structure of the present invention has a fixed connection column, a cross beam and a longitudinal support beam on the top of the trailer chassis, a rack and a driving gear are arranged on the bottom surface of the U-shaped groove of the longitudinal support beam, a pulley is hoisted under the longitudinal support beam through a pulley frame, and a hook on the pulley is lowered by a remote control pulley motor to hook a steel wire rope on the front wheel of the car, and then the gear and rack are driven forward by the gear driving motor, and the front wheel of the accident car is moved to the front part of the trailer box by traction, and the rear wheel of the accident car also enters the interior of the trailer box through the inclined transition plate. The structure is simple and compact, light in weight, and takes up little space. The accident car can be limited and fixed by a guardrail, the transportation process is stable and reliable, and secondary collision is reduced. The production, installation, use, lifting and traction operations are convenient, and the raw material consumption is small and the cost is low. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 2 is a schematic diagram of the planar structure of a longitudinal beam type transfer vehicle according to an embodiment of the present invention;

[0015] Figure 2 It is a schematic side view of the longitudinal beam type transfer vehicle structure according to an embodiment of the present invention. DETAILED DESCRIPTION

[0016] As shown in the figure, a longitudinal beam type transfer vehicle structure is based on a conventional trailer chassis 100, and four supporting columns 1 extending upward in the vertical direction are fixedly connected by welding. The four columns 1 are divided into two groups, front and rear, and the tops of the two columns 1 in the front and rear groups are respectively fixedly connected to the front and rear cross beams 2 by welding, and then a longitudinal support beam 4 is fixedly connected to the middle of the front and rear cross beams 2 by welding. The longitudinal support beam 4 extends longitudinally from the rear end of the trailer chassis to the front end;

[0017] The cross section of the longitudinal support beam 4 adopts a U-shaped groove structure, a rack 10 is fixedly installed on the bottom surface of the U-shaped groove, a driving gear 8 is meshed and installed on the rack 10, and the driving gear 8 is fixedly connected to the middle of a transmission shaft 9; and a guide groove 41 extending from the back to the front along the longitudinal direction is respectively provided on the two side walls of the U-shaped groove, and the two ends of the transmission shaft 9 of the driving gear 8 pass through the guide grooves 41 on both sides, and extend to the outside of the U-shaped groove, and a gear drive motor 6 is connected to one end of the transmission shaft 9; at the same time, a U-shaped pulley frame 5 is also connected below the transmission shaft 9, and the upper sections of the two side edges of the pulley frame 5 are respectively mounted on the outside of the two sides of the longitudinal support beam 4, and the connection The method is that the tops of both sides of the pulley frame 5 are respectively hingedly connected to the transmission shaft 9; a pulley 11 is arranged inside the lower section of the pulley frame 5 located below the longitudinal support beam 4, and a hook 12 is connected to the pulley 11 through a wire rope 14; the connection method of the pulley is that both ends of the pulley shaft 13 are hingedly installed on the two side walls of the pulley frame 5, the pulley 11 is fixedly installed in the middle of the pulley shaft 13, one end of the pulley shaft 13 extends to the outside of the pulley frame 5 and is connected to the pulley motor 7; the gear drive motor 6 and the pulley motor 7 are connected to the external remote control through communication; and an inclined transition plate is hingedly connected to the rear end of the trailer chassis 1.

[0018] When the accident car needs to be loaded, after the transition plate is lowered, the remote control pulley motor 7 drives the pulley 11 to rotate forward, the wire rope 14 is loosened, the hook 12 is lowered, and the hook 12 is hooked on the wire rope of the front wheel of the accident car, and then the gear drive motor 6 is started to rotate forward, and the drive gear 8 is driven forward along the rack 10 through the transmission shaft 9. The pulley frame 5 moves toward the front of the trailer chassis 1 with the transmission shaft 9, and the traction force is transmitted in sequence through the pulley shaft, pulley, wire rope, and hook, and the front wheel of the traction car is moved to the front of the trailer chassis. After the rear wheel of the accident car also enters the upper part of the trailer chassis through the inclined transition plate, the transition plate is rotated upward to close;

[0019] The gear drive motor and the pulley motor are both bidirectional servo motors. They rotate forward during loading and reverse the process after being transported to the destination. They rotate in the reverse direction to unload the accident car.

[0020] Guardrails can also be fixedly connected between the two pillars on both sides of the chassis. The accident vehicle can be fixed in a limited position through the guardrails to prevent secondary collisions during transportation, which is stable and reliable.

[0021] Furthermore, the width of the lower section of the pulley frame 5 is smaller than the width of the upper section, and the gear drive motor and the pulley motor are located outside the same side of the longitudinal support beam to reduce the occupied space and facilitate operation;

[0022] A dust cover plate 3 is arranged above the longitudinal support beam 4 to prevent dust accumulation, ensure smooth operation of the mechanism, and extend the service life of the mechanism.

[0023] Furthermore, the transmission shaft 9 is respectively installed in the guide grooves 41 on both sides of the longitudinal support beam 4 through sliding bearings, and the transmission shaft 9 rolls along the guide grooves through the sliding bearings, with small friction resistance;

[0024] The longitudinal beam type transfer vehicle structure of the present invention has a fixed connection column, a cross beam and a longitudinal support beam on the top of the trailer chassis, a rack and a driving gear are arranged on the bottom surface of the U-shaped groove of the longitudinal support beam, a pulley is hoisted under the longitudinal support beam through a pulley frame, and a hook on the pulley is lowered by a remote control pulley motor to hook a steel wire rope on the front wheel of the car, and then the gear and rack are driven forward by the gear driving motor, and the front wheel of the accident car is moved to the front part of the trailer box by traction, and the rear wheel of the accident car also enters the interior of the trailer box through the inclined transition plate. The structure is simple and compact, light in weight, and takes up little space. The accident car can be limited and fixed by a guardrail, the transportation process is stable and reliable, and secondary collision is reduced. The production, installation, use, lifting and traction operations are convenient, and the raw material consumption is small and the cost is low.

[0025] Specific design ideas:

[0026] The invention relates to a traffic accident vehicle and a special trailer which cannot travel due to a vehicle failure, in particular to a special trailer for a longitudinal beam type accident vehicle, belonging to the technical field of transportation equipment.

[0027] The purpose of the present invention is to provide a special trailer for a longitudinal beam type accident car, which has a reasonable structure, a wide range of uses and strong practicality. In order to achieve the above purpose, the specific technical implementation scheme of the present invention is as follows:

[0028] How to use

[0029] When using a special trailer, use the remote control device to lower the hook, then hang the hook on the wire rope of the front wheel of the accident car, the remote control device lifts the hook and the front of the accident car, and the remote control device drives the dual-phase drive motor to work. The drive motor rotates forward to drive the drive wheel to rotate on the rack, driving the front of the accident car to move from the rear of the trailer to the front of the trailer box. The rear wheel part of the accident car closely follows through the transition plate of the trailer into the interior of the trailer box, and the transition plate is closed. When unloading the accident car, the operation process can be reversed.

[0030] The advantages are:

[0031] The frame structure composed of uprights, cross beams and longitudinal beams replaces the trailer box and simplifies the structural design.

[0032] The structural design is optimized, which is convenient for manufacturing and reduces the manufacturing cost.

[0033] The guardrails on both sides of the car enhance the fixation of the accident car and reduce secondary collisions.

[0034] It greatly improves production efficiency and is more convenient to use.

Claims

1. A longitudinal beam transfer vehicle structure, characterized in that: The invention comprises four vertical support columns fixedly arranged above the trailer chassis, the top of the columns are fixedly connected to two front and rear cross beams, the middle of the two cross beams is fixedly connected to a longitudinal support beam extending longitudinally from the rear end of the trailer chassis to the front end, the cross section of the longitudinal support beam is a U-shaped groove structure, a rack is fixedly installed on the bottom surface of the U-shaped groove, a driving gear is meshed on the rack, and the driving gear is fixedly connected to the middle of a transmission shaft; longitudinal guide grooves are respectively arranged on the two side walls of the U-shaped groove, and the two ends of the transmission shaft of the driving gear respectively pass through the two side guide grooves and extend out of the U-shaped groove A U-shaped pulley frame is connected to the transmission shaft, one end of which is connected to a gear drive motor; a U-shaped pulley frame is also connected below the transmission shaft, the upper sections of both sides of the pulley frame are respectively located outside the two sides of the longitudinal support beam, and the tops of both sides of the pulley frame are respectively hingedly connected to the transmission shaft, and a pulley is arranged inside the lower section of the pulley frame located below the longitudinal support beam, the pulley is connected to a hook through a steel wire rope, and the pulley is connected to the two side walls of the pulley frame through a pulley shaft, one end of the pulley shaft extends to the outside of the pulley frame and is connected to a pulley motor; the gear drive motor and the pulley motor are communicatively connected to an external remote control; The width of the lower section of the pulley frame is smaller than that of the upper section; the gear drive motor and the pulley motor are located outside the same side of the longitudinal support beam; the gear drive motor and the pulley motor are both bidirectional motors; a dust cover is provided above the longitudinal support beam; the transmission shaft is respectively installed in the guide grooves on both sides of the longitudinal support beam through sliding bearings; the rear end of the trailer chassis is hingedly connected with an inclined transition plate.

2. The longitudinal beam type transfer vehicle structure according to claim 1, characterized in that: The cross beam is fixedly connected to the column by welding, and the longitudinal support beam is also fixedly connected to the cross beam by welding.

3. The longitudinal beam type transfer vehicle structure according to claim 2, characterized in that: Guardrails are fixedly connected between two upright posts on both sides of the trailer chassis.

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