Traction structure of road rescue automobile

Abstract

The utility model relates to the technical field of road rescue, in particular to a traction structure of a road rescue automobile, which comprises a traction frame and wheel seats fixed on two sides of the rear portion of the traction frame, the wheel seats are used for fixing wheels of the automobile, long grooves are formed in the wheel seats, connecting shafts are arranged in the long grooves in a sliding mode, and the connecting shafts are connected with the traction frame. The connecting shafts are sleeved with movable rods, the multiple sets of long grooves are formed in the wheel seat in parallel, rear baffles are fixed to the rear ends of the multiple sets of movable rods, the connecting shafts slide to the rear ends of the long grooves in the using process, an inclined plate composed of the multiple sets of movable rods is obliquely put down at the moment, and the rear baffles are placed on the ground in a contact mode; a vehicle can run to the wheel seats along the inclined plates of the multiple movable rod sets, and when the wheel seats are high, the inclined plates can obtain the low gradient.

Description

Technical Field

[0001] The utility model relates to the technical field of road rescue, in particular to a traction structure of a road rescue vehicle. Background Art

[0002] Automobile roadside rescue requires the use of a traction structure, which is either mobile or fixed. The mobile type is movable by itself, while the fixed type cannot move by itself and needs to be fixed on the vehicle.

[0003] In order to ensure that the vehicle can drive onto the wheel seat on the mobile vehicle tractor, a ramp is usually hingedly connected to the rear side of the wheel seat. The ramp is lowered to form a slope, allowing the vehicle wheels to drive over the ramp to the wheel seat, and then the ramp is lifted up to block the rear of the wheel seat to limit the wheel. Due to the distance between the wheel and the bottom of the vehicle, if the ramp is too long, although the slope can be reduced, it is easy to collide with the bottom of the vehicle when the ramp is lifted. Therefore, the length of the ramp is limited, resulting in the height of the wheel frame cannot be set higher. Therefore, the use of the tractor is limited on uneven roads. Utility Model Content

[0004] The utility model aims to at least solve the problem of limited slope of the tractor inclined plate in the prior art.

[0005] The present invention provides a towing structure for a road rescue vehicle, which is achieved by the following specific technical means: it includes a towing frame and wheel seats fixed on both sides of the rear of the towing frame, a long groove is opened on the wheel seat, a connecting shaft is slidably provided in the long groove, a movable rod is sleeved on the connecting shaft, the long groove is arranged in parallel in several groups on the wheel seat, and a rear end of the plurality of groups of movable rods is fixed to a rear plate. When in use, the connecting shaft is slid to the rear end of the long groove, and the inclined plate composed of the plurality of groups of movable rods is tilted downward so that the rear plate contacts the ground. The vehicle can travel along the inclined plate composed of the plurality of groups of movable rods to the wheel seat, and a block is fixed below the wheel seat, and the bottom side of the movable rod contacts the rear wall of the block.

[0006] Preferred technical solution 1: The top surface of the movable rod is located below the top surface of the wheel seat when it is laid flat, and the top end of the movable rod is located below the top surface of the wheel seat when it is tilted downward.

[0007] Preferred technical solution 2: A front baffle is also fixed to the front side of the wheel seat, and the front and rear baffles cooperate to complete the front and rear limiting separation of the wheel.

[0008] Preferred technical solution three: guardrails are fixed on both sides of the rear fender, and the setting of the guardrails protects the wheels from the left and right sides.

[0009] Preferred technical solution four: a slider is slidably provided in at least one group of the long grooves, a screw rod is rotatably provided in the long grooves where the sliders are distributed, and the slider is sleeved on the screw rod through a threaded hole.

[0010] Preferred technical solution five: A motor connected to a screw rod is provided in the wheel seat.

[0011] The above structure enables this solution to have the following beneficial effects:

[0012] A plurality of movable rods are used to form an inclined plate and a tailgate to allow the front or rear wheels of the vehicle to drive onto the wheel seat. When the wheel seat is high, the inclined plate can also obtain a lower slope, which is convenient for use on uneven roads and improves the stability of vehicle traction. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 This is a schematic diagram of the overall structure of this scheme;

[0015] Figure 2 This is the bottom view of the wheel seat of this scheme;

[0016] Figure 3 This is the top view of the wheel seat of this scheme;

[0017] Figure 4 This is an exploded view of the wheel seat, movable rod and tailgate of this solution.

[0018] Among them, 1. traction frame, 2. wheel seat, 21. long groove, 3. connecting shaft, 4. movable rod, 5. rear baffle, 6. block, 7. front baffle, 71. hole, 8. moving wheel, 9. guardrail, 10. slider, 11. screw rod. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0020] See also Figure 1-Figure 3The towing structure of the road rescue vehicle includes a towing frame 1 and wheel seats 2 fixed on both sides of the rear of the towing frame 1. The front end of the towing frame 1 is provided with a connecting hole, which is connected to the towing hook on the trailer through the connecting hole. The wheel seat 2 is used to fix the wheel of the vehicle. A movable wheel 8 is installed on the bottom side of the wheel seat 2. A long slot 21 is opened on the wheel seat 2. A connecting shaft 3 is slidably provided in the long slot 21. A movable rod 4 is fixed on the connecting shaft 3. There are several groups of long slots 21 arranged in parallel on the wheel seat 2. The rear end of the multiple groups of movable rods 4 is fixed with a tailgate 5. When in use, the connecting shaft 3 is slid to the rear end of the long slot 21. At this time, the multiple groups of movable rods 4 are fixed. The inclined plate composed of the plurality of movable rods 4 is tilted downward so that the tailgate 5 is placed in contact with the ground. The vehicle can travel along the inclined plate composed of the plurality of movable rods 4 to the wheel seat 2. A stopper 6 is fixed under the wheel seat 2. After the wheel moves on, the connecting shaft 3 is moved forward so that the bottom side of the movable rod 4 touches the rear wall of the stopper 6. The movable rod 4 in the downward tilted state is lifted to a flat state, and the connecting shaft 3 is continued to be moved forward so that the tailgate 5 is lifted and moved forward to contact the rear side of the vehicle wheel, thereby blocking the rear of the wheel. By combining the tailgate 5 with the movable rod 4, the length of the inclined plate can be unlimited, thereby increasing the height of the wheel seat 2.

[0021] The top surface of the movable rod 4 is located below the top surface of the wheel seat 2 when it is laid flat, and the top end of the movable rod 4 is located below the top surface of the wheel seat 2 when it is tilted downward, to prevent the wheel from contacting the movable rod 4 after driving onto the wheel seat 2, affecting the difficulty of moving the movable rod 4 back.

[0022] See also Figure 1-Figure 4 The traction structure of the road rescue vehicle, the front side of the wheel seat 2 is also fixed with a front baffle 7, and the front and rear baffles 7 and 5 are matched to complete the front and rear limited spacing of the wheel, and the wheel can be clamped when necessary.

[0023] See also Figure 4 , the traction structure of the road rescue vehicle, guardrails 9 are fixed on both sides of the rear fender 5, and the setting of the guardrails 9 protects the wheels from the left and right sides to prevent the wheels from detaching from the wheel seats 2; holes 71 for inserting the front ends of the guardrails 9 are opened on both sides of the front fender 7, that is, when the movable rod 4 is placed flat and moved forward, the front ends of the guardrails 9 are inserted into the holes 71, thereby increasing the stability of the guardrails 9.

[0024] A slider 10 is slidably provided in at least one group of long grooves 21, multiple groups of long grooves 21 are interconnected and fixedly connected with the connecting shaft 3, and the integrated connecting shaft 3 is rotatably connected to the slider 10. At the same time, a screw rod 11 is rotatably provided in the long grooves 21 where the slider 10 is distributed, and a motor connected to the screw rod 11 is provided in the wheel seat 2. The slider 10 is sleeved on the screw rod 11 through a threaded hole, and the position of the slider 10 is controlled by the rotation of the screw rod 11.

[0025] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A traction structure for a road rescue vehicle, comprising a traction frame (1) and wheel seats (2) fixed to both sides of the rear of the traction frame (1), characterized in that: The wheel seat (2) is provided with a long slot (21), a connecting shaft (3) is slidably provided in the long slot (21), a movable rod (4) is sleeved on the connecting shaft (3), and a plurality of groups of the long slots (21) are arranged in parallel on the wheel seat (2), a rear baffle (5) is fixed to the rear ends of the plurality of groups of the movable rods (4), and an inclined plate composed of the plurality of groups of the movable rods (4) is tilted downward so that the vehicle can travel along the inclined plate composed of the plurality of groups of the movable rods (4) to the wheel seat (2), and a stopper (6) is fixed below the wheel seat (2).

2. The traction structure of a roadside assistance vehicle according to claim 1, characterized in that: The top surface of the movable rod (4) is located below the top surface of the wheel seat (2) when it is laid flat, and the top end of the movable rod (4) is located below the top surface of the wheel seat (2) when it is tilted downward.

3. The traction structure of a roadside assistance vehicle according to claim 1, characterized in that: A front baffle (7) is also fixed to the front side of the wheel seat (2).

4. The traction structure of a roadside assistance vehicle according to claim 1, characterized in that: A moving wheel (8) is installed on the bottom side of the wheel seat (2).

5. The traction structure of a roadside assistance vehicle according to claim 3, characterized in that: Guardrails (9) are fixed on both sides of the rear baffle (5).

6. The traction structure of a roadside assistance vehicle according to claim 5, characterized in that: Holes (71) for inserting the front end of the barrier (9) are provided on both sides of the front baffle (7).

7. The traction structure of a roadside assistance vehicle according to claim 2, characterized in that: A slider (10) is slidably provided in at least one group of the long slots (21), a plurality of groups of long slots (21) are interconnected and the connecting shaft (3) is fixedly connected as one body, and the integrated connecting shaft (3) is rotatably connected to the slider (10), and a screw rod (11) is rotatably provided in the long slots (21) in which the slider (10) is distributed, and the slider (10) is sleeved on the screw rod (11) through a threaded hole.

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