CN222663299U - Wrecker tow truck for easy wheel alignment - Google Patents

Abstract

The utility model relates to the technical field of obstacle-removing vehicles, in particular to an obstacle-removing trailer convenient for wheel positioning, which comprises a trailer main body, wherein a traction winch is arranged at the front end of the trailer main body, two positioning mechanisms which are arranged in parallel are arranged in the middle of the front end of the trailer main body, each positioning mechanism comprises two through grooves formed in the trailer main body and a mounting seat fixed on the bottom surface of the trailer main body, a rotating shaft is rotatably arranged at the lower end of each mounting seat, transverse plates are fixed at two ends of each rotating shaft, mounting frames are fixed at two ends of each transverse plate, and a front positioning roller and a rear positioning roller are respectively arranged on each mounting frame. When the fault vehicle moves to the positioning mechanism, the front wheel of the fault vehicle pushes the front positioning roller, so that the positioning mechanism can rotate, the front positioning roller and the rear positioning roller automatically limit the front and rear directions of the wheels, the phenomenon that the fault vehicle slides backwards is avoided, and compared with the current mode of fixing the wheels through ropes, the mode greatly reduces the time required for positioning the wheels.

Description

Obstacle-removing trailer convenient for wheel positioning

Technical Field

The utility model relates to the technical field of obstacle-removing vehicles, in particular to an obstacle-removing trailer convenient for wheel positioning.

Background

The road obstacle-removing vehicle is also called a trailer, a road rescue vehicle, a towing vehicle and the like, has multiple functions of lifting, pulling, lifting and towing and the like, and is mainly used for road fault vehicles, urban violation vehicles, rescue and the like.

After the fault vehicle is moved to the wrecker, in the prior art, the wheels of the fault vehicle are required to be fixed by adopting a rope so as to prevent the fault vehicle from moving in the moving process of the wrecker, but the mode of fixing the wheels by adopting the rope is complex to operate, and more time of staff is required to be consumed, so that the wrecker convenient for positioning the wheels is provided for solving the problems.

Disclosure of utility model

Aiming at the defects that in the prior art, the wheels of a fault vehicle are required to be fixed by adopting a rope so as to prevent the fault vehicle from moving in the moving process of the wrecker, but the mode of fixing the wheels by adopting the rope is complex in operation and requires more time of staff, the utility model provides the wrecker convenient for positioning the wheels.

The utility model is realized by the following technical scheme:

The utility model provides a barrier trailer convenient to wheel location, includes the trailer main part, the front end of trailer main part is provided with the traction winch, and there are two parallel arrangement's positioning mechanism in trailer main part front end middle part, positioning mechanism is including seting up two logical grooves in the trailer main part and fixing the mount pad in trailer main part bottom surface, the pivot is installed in the lower extreme rotation of mount pad, and the both ends of pivot all are fixed with the diaphragm, and the mounting bracket is all fixed with at both ends of two diaphragms, installs preceding positioning roller and back positioning roller on two mounting brackets respectively, two slide grooves have all been seted up on the inner wall of diaphragm, slidable mounting has spacing roof beam between two slide grooves, spacing Liang Yuanli one side of back positioning roller is provided with the spring, and the opposite side of spacing roof beam is provided with fixed tooth, be provided with the fixing base between spacing roof beam and the back positioning roller, the fixing base is installed the bottom surface of trailer main part, and the fixing base is close to one side of spacing roof beam is seted up the fluting, and the polylith movable tooth is installed in the fluting, polylith movable tooth line arrangement, and the inner of all movable tooth is rotated and is installed on a grooved connecting rod, the inside rotation of a telescopic link, the hydraulic cylinder is installed with the telescopic link.

Preferably, the rotating shaft is fixed at the position of the front positioning roller of the transverse plate, and the rotating shaft is rotationally connected with the mounting seat through a bearing, so that the height of the rear positioning roller is lower than that of the front positioning roller when the positioning mechanism is in a natural state.

In a preferred embodiment of the present utility model, when the positioning mechanism is in a natural state, the front positioning roller exposes out of the upper end of the through groove, the rear positioning roller is located at the lower end of the through groove, and when the fault vehicle moves, the fault vehicle contacts with the front positioning roller first, so as to push the positioning mechanism to rotate, and the rear positioning roller limits the rear end of the wheel.

Preferably, a guide rod is fixed between two ends of the sliding groove, the spring is sleeved on the guide rod, a sliding block is arranged on the guide rod in a penetrating mode, the sliding block is in sliding fit with the guide rod and the sliding groove, and the end portion of the limiting beam is rotationally connected with the sliding block, so that the fixed teeth can be kept in a meshed state with the movable teeth.

Preferably, the fixed teeth are matched with tooth grooves formed between two adjacent movable teeth, the width of each fixed tooth is larger than that of each tooth groove, and the fixed teeth and the movable teeth are matched to limit the rotated positioning mechanism, so that rotation is avoided.

Preferably, the movable teeth are diamond-shaped, the angle of rotation of the movable teeth pushed by the hydraulic cylinder is 30 degrees, and after the movable teeth are rotated, the limiting beam can slide downwards on the fixed seat when the rear positioning roller is pushed.

The beneficial effects of the utility model are as follows:

When the fault vehicle moves to the positioning mechanism, the front wheel of the fault vehicle pushes the front positioning roller, so that the positioning mechanism can rotate, the front positioning roller and the rear positioning roller automatically limit the front and rear directions of the wheels, the phenomenon that the fault vehicle slides backwards is avoided, and compared with the current mode of fixing the wheels through ropes, the mode greatly reduces the time required for positioning the wheels.

Drawings

FIG. 1 is a schematic perspective view of an obstacle clearance trailer of the present utility model for facilitating wheel alignment;

FIG. 2 is a schematic perspective view of a positioning mechanism in the barrier-removing trailer for facilitating the positioning of wheels in accordance with the present utility model;

Fig. 3 is a front view in cross section of a mounting bracket in an obstacle clearance trailer of the present utility model for facilitating wheel alignment.

The device comprises a trailer body, a traction winch, a positioning mechanism, a through groove, a mounting seat, a rotating shaft, a transverse plate, a mounting frame, a front positioning roller, a rear positioning roller, a sliding groove, a 381, a spring, a 39, a limiting beam, 391, fixed teeth, a 40, a fixing seat, 41, a groove, 42, movable teeth, 43, a connecting rod, 44 and a hydraulic cylinder, wherein the traction winch is arranged in the trailer body, the positioning mechanism, the through groove, the mounting seat, the rotating shaft, the transverse plate, the mounting frame, the front positioning roller, the rear positioning roller, the 38, the sliding groove, the 381, the spring, the 39, the limiting beam, the 391, the fixed teeth, the 40, the fixing seat, the 41, the groove and the 42.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the attached drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model. The directional terms referred to in the present utility model, such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc., refer only to the directions of the attached drawings. Accordingly, directional terminology is used to describe and understand the utility model and is not limiting of the utility model.

The obstacle clearance trailer convenient for wheel positioning as shown in figures 1-3 comprises a trailer body 1, wherein a traction winch 2 is arranged at the front end of the trailer body 1, a fault vehicle is towed by the traction winch 2, the vehicle is convenient to move onto the trailer body 1, two positioning mechanisms 3 which are arranged in parallel are arranged in the middle of the front end of the trailer body 1, and the two positioning mechanisms 3 are arranged in the left-right direction;

The positioning mechanism 3 comprises two through grooves 31 formed in the trailer body 1 and an installation seat 32 fixed on the bottom surface of the trailer body 1, wherein the two through grooves 31 are arranged in the front-rear direction, a rotating shaft 33 is rotatably installed at the lower end of the installation seat 32, transverse plates 34 are fixed at two ends of the rotating shaft 33, mounting frames 35 are fixed at two ends of the two transverse plates 34, a front positioning roller 36 and a rear positioning roller 37 are respectively installed on the two mounting frames 35, the rotating shaft 33 is fixed at the position of the transverse plates 34, which is deviated from the front positioning roller 36, so that the center of gravity is positioned at one end of the rear positioning roller 37, and the rotating shaft 33 is rotatably connected with the installation seat 32 through a bearing, so that the height of the rear positioning roller 37 is lower than that of the front positioning roller 36 when the positioning mechanism 3 is in a natural state;

When the positioning mechanism 3 is in a natural state, the front positioning roller 36 is exposed out of the upper end of the through groove 31, and the rear positioning roller 37 is positioned at the lower end of the groove 41, so that when a fault vehicle moves, the fault vehicle is firstly contacted with the front positioning roller 36, thereby pushing the positioning mechanism 3 to rotate, and the rear positioning roller 37 limits the rear end of the wheel;

The inner walls of the two transverse plates 34 are provided with sliding grooves 38, a limit beam 39 is slidably arranged between the two sliding grooves 38, a spring 381 is arranged on one side, away from the rear positioning roller 37, of the limit beam 39, a fixed tooth 391 is arranged on the other side of the limit beam 39, a guide rod is fixed between the two ends of the sliding grooves 38, the spring 381 is sleeved on the guide rod, a sliding block penetrates through the guide rod, the sliding block is in sliding fit with the guide rod and the sliding groove 38, and the end part of the limit beam 39 is rotationally connected with the sliding block;

Further, a fixed seat 40 is arranged between the limit beam 39 and the rear positioning roller 37, the fixed seat 40 is mounted on the bottom surface of the trailer body 1, a slot 41 is formed in one side, close to the limit beam 39, of the fixed seat 40, a plurality of movable teeth 42 are rotatably mounted in the slot 41, the movable teeth 42 are linearly arranged, inner ends of all the movable teeth 42 are rotatably mounted on a connecting rod 43, a hydraulic cylinder 44 is rotatably mounted on the inner side of the slot 41, and a telescopic end of the hydraulic cylinder 44 is rotatably connected with the connecting rod 43.

The movable teeth 42 are diamond-shaped, the hydraulic cylinder 44 pushes the movable teeth 42 to rotate at an angle of 30 degrees, after the movable teeth 42 are rotated, the limiting beam 39 can slide downwards on the fixed seat 40 when the rear positioning roller 37 is pushed, tooth grooves formed between the fixed teeth 391 and two adjacent movable teeth 42 are matched, the width of the fixed teeth 391 is larger than that of the grooves 41, and the rotated positioning mechanism 3 is limited through the cooperation of the fixed teeth 391 and the movable teeth 42, so that rotation is avoided.

In this embodiment, when the fault vehicle moves to the positioning mechanism 3, the front positioning roller 36 is pushed by the front wheel of the fault vehicle, so that the rotating shaft 33 rotates to drive the rear positioning roller 37 to expose the through groove 31 until the rear positioning roller 37 contacts with the wheel, while the rotating shaft 33 rotates, the transverse plate 34 and the limiting beam 39 simultaneously rotate, the limiting beam 39 is pushed to move reversely by the fixed seat 40, the fixed tooth 391 is kept to be always meshed with the movable tooth 42 by the spring 381, the rotation of the rotating shaft 33 is avoided by the cooperation of the fixed tooth 391 and the movable tooth 42, and therefore, the front and rear directions of the wheel are automatically limited by the front positioning roller 36 and the rear positioning roller 37, so as to avoid the phenomenon of backward sliding of the fault vehicle.

When the faulty vehicle needs to be removed, all the movable teeth 42 are pushed to rotate by the hydraulic cylinders 44, so that the fixed teeth 391 can slide downwards on the fixed seat 40, and when the rear positioning roller 37 is pressed, the rear positioning roller 37 can rotate downwards, and the wheels are separated from the positioning mechanism 3.

It should be noted that, the utility model is not related to the parts which are the same as or can be realized by the prior art, and various driving in the utility model can be realized by adopting a cylinder, an oil cylinder, an electric cylinder, a motor and other power structures matched with a connecting rod, a guide rod and the like, and is not limited to the structures in the description and the drawings.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims (6)

1. The utility model provides a clearance barrier trailer convenient to wheel location, includes trailer main part (1), the front end of trailer main part (1) is provided with traction winch (2), and there are two parallel arrangement's positioning mechanism (3) in the middle part of trailer main part (1) front end, wherein positioning mechanism (3) are including seting up two logical groove (31) on trailer main part (1) and fixing mount pad (32) in trailer main part (1) bottom surface, pivot (33) are installed in the lower extreme rotation of mount pad (32), and both ends of pivot (33) are all fixed with diaphragm (34), and both ends of two diaphragm (34) are all fixed with mounting bracket (35), install preceding positioning roller (36) and back positioning roller (37) on two mounting bracket (35) respectively, all offer spout (38) on the inner wall of two diaphragm (34), slidable mounting has spacing roof beam (39) between two spout (38), and spacing roof beam (39) keep away from one side of back positioning roller (37) is provided with spring (381), and spacing roof beam (39) are provided with fixed tooth (39), and fixed base (40) are located between trailer main part (40) and fixed base (40), and fixing base (40) are close to one side of spacing roof beam (39) has seted up fluting (41), and fluting (41) internal rotation is installed polylith movable tooth (42), polylith movable tooth (42) linear arrangement, and the inner of all movable teeth (42) is all rotated and is installed on a connecting rod (43), hydraulic cylinder (44) are installed in the inboard rotation of fluting (41), and the flexible end and the connecting rod (43) of hydraulic cylinder (44) are rotated and are connected.

2. The wrecker truck with convenient wheel alignment according to claim 1, wherein the rotating shaft (33) is fixed at a position of the transverse plate (34) which is deviated from the front positioning roller (36), and the rotating shaft (33) is rotatably connected with the mounting seat (32) through a bearing.

3. The obstacle clearance trailer convenient for positioning wheels according to claim 1, wherein when the positioning mechanism (3) is in a natural state, the front positioning roller (36) is exposed out of the upper end of the through groove (31), and the rear positioning roller (37) is positioned at the lower end of the groove (41).

4. The obstacle clearance trailer convenient for positioning wheels according to claim 1, wherein a guide rod is fixed between two ends of the sliding groove (38), the spring (381) is sleeved on the guide rod, a sliding block is arranged on the guide rod in a penetrating mode, the sliding block is in sliding fit with the guide rod and the sliding groove (38), and the end portion of the limiting beam (39) is connected with the sliding block in a rotating mode.

5. The obstacle clearance trailer convenient for positioning wheels according to claim 1, wherein the fixed teeth (391) are matched with tooth grooves formed between two adjacent movable teeth (42), and the width of the fixed teeth (391) is larger than the width of the grooves (41).

6. The obstacle clearance trailer for facilitating wheel alignment as claimed in claim 1, wherein the movable teeth (42) are diamond-shaped and the angle by which the hydraulic cylinder (44) pushes the movable teeth (42) to rotate is 30 °.