Hydraulic lifting mechanism for wrecker
By introducing movable components and wheels into the hydraulic lifting mechanism of the recovery vehicle, multiple adjustments to the angle of the cargo platform are achieved, solving the problem of materials slipping in existing technologies, improving the convenience and stability of transportation, and extending the service life of the equipment.
Patent Information
- Application Number
- CN202520466143.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-18
AI Technical Summary
Most existing tow trucks use a single-head rotation mechanism for their hydraulic lifting mechanism, resulting in a large angle between the tow truck and the ground, which can easily cause materials to slip and make them difficult to transport.
It employs movable components and multiple adjustment methods, including lifting cylinders, carriage cylinders, and push cylinders, to adjust the angle of the cargo platform. It also has a moving wheel near the tail plate to reduce contact with the ground and prevent collisions and friction.
The angle between the loading platform and the ground is reduced, which improves the convenience and stability of material transportation, extends the service life, and prevents materials from slipping and equipment damage.
Smart Images

Figure CN223949059U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of hydraulic lifting of wrecker, specifically to a hydraulic lifting mechanism for wrecker. BACKGROUND
[0002] The hydraulic lifting mechanism of wrecker is one of its key components, mainly used for lifting the auxiliary frame or lifting device to a certain inclination angle, so as to carry out the lifting, towing or loading operation of the fault vehicle;
[0003] For example, the Chinese patent with the announcement number CN115320478A (a wrecker and its automatic hydraulic lifting platform of wrecker): including working platform, front leg lifting mechanism, rear leg lifting mechanism, platform locking device, leg telescopic mechanism and tail plate turnover mechanism; the front leg lifting mechanism is used for the lifting of the front leg, so that the front end of the working platform is separated from the chassis frame; the rear leg lifting mechanism is used for the lifting of the rear leg, so that the rear end of the working platform is separated from the chassis frame; the platform locking device is used for the locking of the working platform and the chassis frame; the leg telescopic mechanism is used for the telescoping of the horizontal distance of the two front legs. Relative to the prior art, the present application provides a turnover platform structure simple, platform quality light, low cost and can be equipped with different two chassis without any modification to the chassis, and the lightweight wrecker hydraulic lifting platform without damage to the chassis.
[0004] However, most of the existing hydraulic lifting mechanisms of wrecker are through single head rotation, which has a large angle with the ground, is easy to cause the material to slide off, and is not easy to transfer; therefore, it does not meet the existing demand, and for this we propose a hydraulic lifting mechanism for wrecker. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a hydraulic lifting mechanism for wrecker, to solve the problem of the existing hydraulic lifting mechanism of wrecker, which is mostly through single head rotation, has a large angle with the ground, is easy to cause the material to slide off, and is not easy to transfer.
[0006] To achieve the above purpose, the utility model provides the following technical scheme: a hydraulic lifting mechanism for wrecker, comprising: a load plate, the lower end of the load plate is provided with a movable assembly, both sides of the movable assembly are provided with upper sliding frames, and the upper sliding frames are fixed with the load plate by external bolts, the lower end of the movable assembly is provided with a chassis girder, both sides of the chassis girder are provided with side stabilizing frames, one side of the side stabilizing frame is provided with a wheel protection frame, one side of the wheel protection frame is provided with a control box, one end of the load plate is provided with a tail plate.
[0007] Preferably, the movable assembly comprises a stabilizing plate, and the stabilizing plate is provided with a plurality of movable racks, both sides of the stabilizing plate are provided with movable racks, the movable racks are welded and fixed with the stabilizing plate, and the upper sliding rack slides along the movable racks.
[0008] Preferably, the movable assembly further comprises a sliding rack oil cylinder, and the sliding rack oil cylinder is located at the upper end of the stabilizing plate, and the object carrying plate slides along the movable racks through the sliding rack oil cylinder.
[0009] Preferably, one side of the stabilizing plate is provided with an ear seat mounting rack, both sides of the ear seat mounting rack are welded and fixed with the movable racks, one side of the ear seat mounting rack is provided with a lifting oil cylinder, the lifting oil cylinder is provided with two, both ends of the two lifting oil cylinders are provided with first ear seats, and the two first ear seats are fixed with the ear seat mounting rack and the chassis beam respectively.
[0010] Preferably, one end of the movable rack is provided with a rotating piece, the movable rack is rotatably connected with the chassis beam through the rotating piece, and the rotating piece is composed of a rotating shaft and an axle seat, and the axle seat is fixed with the outer fastener of the chassis beam.
[0011] Preferably, the connecting part of the object carrying plate and the tail plate is provided with a hinge, the tail plate is rotatably connected with the object carrying plate through the hinge, the lower side of the hinge is provided with a pushing oil cylinder, the pushing oil cylinder is provided with two, both ends of the pushing oil cylinder are provided with second ear seats, and the two second ear seats are fixed with the object carrying plate and the tail plate respectively.
[0012] Preferably, both sides of the lower end of the object carrying plate close to one end of the tail plate are provided with moving wheels, and the moving wheels are connected with the object carrying plate through wheel frames.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] (1) The utility model discloses a movable assembly is arranged at the lower end of the object carrying plate, and the movable assembly mainly comprises a movable rack, a sliding rack oil cylinder and a lifting oil cylinder, one end of the two lifting oil cylinders is synchronously pushed, the other end of the movable rack is rotatably connected with the chassis beam through a rotating piece, so that the movable rack is inclined upward, the object carrying plate is inclined, then the object carrying plate slides along the movable rack through the sliding rack oil cylinder, when the object carrying plate slides towards the ground, the tail plate is rotatably driven along the hinge through the pushing oil cylinder, so that the tail plate contacts the ground, the angle of the object carrying plate is adjusted through the three adjusting modes, compared with the prior art of single end rotation, the angle between the object carrying plate and the ground can be reduced, the inclination is reduced, the material transfer is facilitated, the convenience and stability are improved, and the problem that the hydraulic lifting mechanism of the existing wrecker is mostly in the form of single head rotation, the angle between the hydraulic lifting mechanism and the ground is large, and the material is prone to falling and difficult to transfer is solved.
[0015] (2), by setting the moving wheel in the lower end of both sides of the loading plate near the tail plate, when the loading plate slides towards the ground, the moving wheel contacts the ground, avoiding the loading plate contacting the ground, preventing collision and friction damage, improving the service life, also improving the smoothness and stability of the loading plate continuously sliding along the ground. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the whole structure schematic diagram of the utility model;
[0017] Figure 2 It is the whole structure schematic diagram of the utility model;
[0018] Figure 3 It is the whole structure schematic diagram of the utility model;
[0019] Figure 4 It is the loading plate and the movable assembly connection elevation structure schematic diagram of the utility model;
[0020] In the drawing: 1, loading plate; 2, movable assembly; 3, chassis girder; 4, wheel protection frame; 5, tail plate; 6, hinge; 7, control box; 8, side stabilizing frame; 9, upper sliding frame; 10, movable frame; 11, slide oil cylinder; 12, lifting oil cylinder; 13, first ear seat; 14, stabilizing plate; 15, push oil cylinder; 16, second ear seat; 17, moving wheel; 18, ear seat mounting frame; 19, rotating piece. DETAILED DESCRIPTION
[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0022] Please refer to Figures 1-4The utility model provides a kind of hydraulic lifting mechanism for wrecker of an embodiment: a kind of hydraulic lifting mechanism for wrecker, comprising: object plate 1, the lower end of object plate 1 is provided with movable assembly 2, both sides of movable assembly 2 are provided with upper sliding frame 9, and upper sliding frame 9 is bolted with object plate 1, the lower end of movable assembly 2 is provided with chassis girder 3, both sides of chassis girder 3 are provided with side stabilizing frame 8, and side stabilizing frame 8 is bolted with chassis girder 3, improve the stability of the fixed chassis girder 3, one side of side stabilizing frame 8 is provided with wheel guard 4, one side of wheel guard 4 is provided with control box 7, one end of object plate 1 is provided with tailgate 5, movable assembly 2 includes stabilizing plate 14, and stabilizing plate 14 is provided with multiple, both sides of stabilizing plate 14 are provided with movable frame 10, and movable frame 10 is welded with stabilizing plate 14 Fixed, and upper sliding frame 9 slides along movable frame 10, movable assembly 2 further includes slide oil cylinder 11, and slide oil cylinder 11 is located at the upper end of stabilizing plate 14, and object plate 1 slides along movable frame 10 by slide oil cylinder 11, one side of stabilizing plate 14 is provided with ear seat mounting frame 18, and both sides of ear seat mounting frame 18 are welded with movable frame 10 Fixed, one side of ear seat mounting frame 18 is provided with lifting oil cylinder 12, and lifting oil cylinder 12 is provided with two, both ends of two lifting oil cylinders 12 are provided with first ear seat 13, and two first ear seats 13 are fixed with ear seat mounting frame 18 and chassis girder 3 respectively, one end of movable frame 10 is provided with rotating part 19, and movable frame 10 is rotatably connected with chassis girder 3 by rotating part 19, and rotating part 19 is composed of rotating shaft and shaft seat, and shaft seat is bolted with chassis girder 3, the junction of object plate 1 and tailgate 5 is provided with hinge 6, and tailgate 5 is rotatably connected with object plate 1 by hinge 6, the below of hinge 6 is provided with push oil cylinder 15, and push oil cylinder 15 is provided with two, both ends of push oil cylinder 15 are provided with second ear seat 16, and two second ear seats 16 are fixed with object plate 1 and tailgate 5 respectively;
[0023] When loading, ear seat mounting frame 18 is synchronously pushed by two lifting oil cylinders 12, since both sides of ear seat mounting frame 18 are welded with movable frame 10, and movable frame 10 is rotatably connected with chassis girder 3 by rotating part 19, movable frame 10 is driven to incline upward, and object plate 1 is inclined;
[0024] Then object plate 1 is driven to slide along movable frame 10 by slide oil cylinder 11, when sliding, upper sliding frame 9 slides along movable frame 10, which limits object plate 1 and improves the stability of object plate 1, when object plate 1 slides towards ground, tailgate 5 is contacted with ground by driving tailgate 5 to rotate along hinge 6 by push oil cylinder 15, the angle of object plate 1 is adjusted by three adjusting modes, compared with the prior single end rotating mode, the angle of object plate 1 and ground can be reduced, the inclination of object plate 1 is reduced, which is convenient for material transfer and improves convenience and stability.
[0025] Referring to Figure 4 The two lower ends of the slide plate 1 near the two sides of the end of the tail plate 5 are provided with moving wheels 17, and the moving wheels 17 are connected with the slide plate 1 through wheel frames. When the slide plate 1 slides towards the ground, the moving wheels 17 are in contact with the ground, avoiding the slide plate 1 from contacting the ground, preventing collision and friction damage, improving the service life, and improving the smoothness and stability of the slide plate 1 continuously sliding along the ground.
[0026] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments but can be implemented in other embodiments without departing from the scope of the present application. The embodiments are to be considered in all respects as illustrative and not restrictive, the scope of the present application being indicated by the appended claims rather than by the above description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. No reference signs in the claims should be considered as limiting the scope of the claims.
Claims
1. A hydraulic lifting mechanism for a wrecker, comprising a carrier plate (1), characterized in that: The lower end of the carrier plate (1) is provided with a movable assembly (2), both sides of the movable assembly (2) are provided with an upper sliding frame (9), and the upper sliding frame (9) is bolted with the carrier plate (1), the lower end of the movable assembly (2) is provided with a chassis girder (3), both sides of the chassis girder (3) are provided with a side stabilizing frame (8), one side of the side stabilizing frame (8) is provided with a wheel guard frame (4), one side of the wheel guard frame (4) is provided with a control box (7), one end of the carrier plate (1) is provided with a tail plate (5).
2. The hydraulic lifting mechanism for a wrecker as set forth in claim 1, wherein: The movable assembly (2) comprises a stabilizing plate (14), and a plurality of stabilizing plates (14) are arranged, both sides of the stabilizing plate (14) are provided with a movable frame (10), and the movable frame (10) is welded with the stabilizing plate (14), and the upper sliding frame (9) slides along the movable frame (10).
3. The hydraulic lifting mechanism for a wrecker as set forth in claim 2, wherein: The movable assembly (2) further comprises a sliding frame oil cylinder (11), and the sliding frame oil cylinder (11) is located at the upper end of the stabilizing plate (14), and the carrier plate (1) slides along the movable frame (10) through the sliding frame oil cylinder (11).
4. The hydraulic lifting mechanism for a wrecker as set forth in claim 2, wherein: One side of the stabilizing plate (14) is provided with an ear seat mounting frame (18), and both sides of the ear seat mounting frame (18) are welded with the movable frame (10), one side of the ear seat mounting frame (18) is provided with a lifting oil cylinder (12), and the lifting oil cylinder (12) is provided with two, both ends of the two lifting oil cylinders (12) are provided with a first ear seat (13), and the two first ear seats (13) are respectively fixed with the ear seat mounting frame (18) and the chassis girder (3).
5. The hydraulic lifting mechanism for a wrecker as set forth in claim 2, wherein: One end of the movable frame (10) is provided with a rotating part (19), and the movable frame (10) is rotatably connected with the chassis girder (3) through the rotating part (19), and the rotating part (19) is composed of a rotating shaft and a shaft seat, and the shaft seat is fixed with the chassis girder (3) by an external fastener.
6. The hydraulic lifting mechanism for a wrecker as set forth in claim 1, wherein: The connecting part of the carrier plate (1) and the tail plate (5) is provided with a hinge (6), and the tail plate (5) is rotatably connected with the carrier plate (1) through the hinge (6), the lower side of the hinge (6) is provided with a pushing oil cylinder (15), and the pushing oil cylinder (15) is provided with two, both ends of the pushing oil cylinder (15) are provided with a second ear seat (16), and the two second ear seats (16) are respectively fixed with the carrier plate (1) and the tail plate (5).
7. The hydraulic lifting mechanism for a wrecker as set forth in claim 1, wherein: Both sides of the lower end of the carrier plate (1) close to one end of the tail plate (5) are provided with a moving wheel (17), and the moving wheel (17) is connected with the carrier plate (1) through a wheel frame.
Citation Information
Patent Citations
Wrecker and automatic hydraulic lifting platform thereof
CN115320478A