CN219029063U

CN219029063U - Axle structure of lifting device for semi-trailer

Info

Publication number: CN219029063U
Application number: CN202223403874.0U
Authority: CN
Inventors: 杨建�; 袁庆宇; 杨杰个
Original assignee: Shandong Aoxing Automobile Technology Co ltd
Current assignee: Shandong Aoxing Automobile Technology Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-05-16
Anticipated expiration: 2032-12-19

Abstract

The utility model discloses an axle structure of a liftable device for a semi-trailer, which comprises a mounting plate, wherein a plurality of supporting rods are vertically and fixedly arranged on the lower surface of the mounting plate, lifting plates are slidably arranged between the plurality of supporting rods through sliding components, hydraulic cylinders are symmetrically and fixedly arranged between the lifting plates and the mounting plate, fixing blocks are symmetrically and fixedly arranged on the lower surface of the lifting plates through damping components, fixing holes are formed in the surfaces of the two fixing blocks, axles are fixedly arranged in the two fixing holes, and wheels are rotatably arranged at two ends of each axle. According to the utility model, the lifting plate, the supporting rod, the sliding component, the hydraulic cylinder, the damping component, the fixed block and the axle are mutually matched, and when the axle needs to be lifted, the lifting plate is controlled to lift only through the hydraulic cylinder, so that the lifting device is simple in structure, convenient to use and effective in prolonging the service life.

Description

Axle structure of lifting device for semi-trailer

Technical Field

The utility model relates to the technical field of semitrailer axles, in particular to an axle structure of a liftable device for a semitrailer.

Background

With the development of society and the progress of science and technology, the technical field of semitrailer axles has brought to remarkable development and progress, wherein in the technical field of semitrailer axles, automobile manufacturers often set lifting devices on automobiles, when the automobiles are empty, an axle lifting mechanism on the lifting devices is started, so that the axles of the automobiles are lifted, wheels at two ends of the axles are separated from the ground, the number of wheels in contact with the ground is reduced, the oil consumption is reduced, and the abrasion of tires is also reduced.

However, in the prior art, the purpose of lifting the axle is mostly achieved by lifting the air bag structure, and the used axle lifting mechanism has a complex structure and is inconvenient to use, and particularly, the service life of the automobile inflator pump is reduced due to frequent work.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and the axle lifting mechanism is mainly used for lifting an axle through a lifting air bag structure, has a complex structure, is inconvenient to use, and particularly has the service life reduced due to frequent work for an automobile inflator pump.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the axle structure of the liftable device for the semi-trailer comprises a mounting plate, wherein a plurality of support rods are vertically and fixedly arranged on the lower surface of the mounting plate, and lifting plates are slidably arranged among the plurality of support rods through sliding components;

the hydraulic cylinder is symmetrically and fixedly arranged between the lifting plate and the mounting plate, the fixing blocks are symmetrically and fixedly arranged on the lower surface of the lifting plate through the damping components, fixing holes are formed in the surfaces of the fixing blocks, axles are fixedly arranged in the fixing holes, and wheels are rotatably arranged at two ends of each axle.

Preferably, the sliding assembly comprises a plurality of sliding blocks, the surfaces of the supporting rods are provided with sliding grooves, the sliding blocks are respectively and slidably arranged in the sliding grooves, and the sliding blocks are fixedly connected with the lifting plate.

Preferably, the damping component comprises a first telescopic spring, and two ends of the first telescopic spring are fixedly connected with the lower surface of the lifting plate and the fixed block respectively.

Preferably, the moving holes are formed in the surfaces of the fixed blocks, the moving rods are slidably mounted in the moving holes, one ends of the moving rods are rotatably connected with supporting rods, the supporting rods are rotatably connected with the mounting plate, and the top blocks are fixedly mounted at one ends of the moving rods through buffer assemblies.

Preferably, the buffer assembly comprises a mounting block, two sliding rods and two second telescopic springs, wherein the mounting block is fixedly connected with the moving rod, sliding holes are symmetrically formed in the surface of the mounting block, the two sliding rods are respectively and slidably mounted in the sliding holes, the two second telescopic springs are respectively sleeved on the two sliding rods, and two ends of each second telescopic spring are respectively and fixedly connected with the jacking block and the mounting block.

Preferably, the surfaces of the two top blocks are fixedly provided with anti-skid pads, and the two anti-skid pads are made of rubber materials.

Preferably, a third telescopic spring is fixedly arranged between the two moving rods.

The utility model has the beneficial effects that:

the lifting plate, the supporting rod, the sliding component, the hydraulic cylinder, the damping component, the fixing block and the axle are matched with each other, and when the axle needs to be lifted, the lifting plate is controlled to lift only through the hydraulic cylinder, so that the lifting device is simple in structure, convenient to use and effective in service life improvement.

Drawings

Fig. 1 is a schematic diagram of an axle structure of a liftable device for a semi-trailer according to the present utility model;

FIG. 2 is an enlarged view of the structure of FIG. 1 at A;

fig. 3 is an enlarged view of the structure at B in fig. 1.

In the figure: the hydraulic lifting device comprises a mounting plate 1, a supporting rod 2, a lifting plate 3, a hydraulic cylinder 4, a fixing block 5, a shaft 6, wheels 7, a sliding block 8, a first telescopic spring 9, a moving rod 10, a supporting rod 11, a top block 12, a mounting block 13, a sliding rod 14, a second telescopic spring 15 and a third telescopic spring 16.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, an axle structure of a lifting device for a semi-trailer comprises a mounting plate 1, wherein a plurality of support rods 2 are vertically and fixedly arranged on the lower surface of the mounting plate 1, lifting plates 3 are slidably arranged between the plurality of support rods 2 through sliding components, the sliding components comprise a plurality of sliding blocks 8, sliding grooves are formed in the surfaces of the plurality of support rods 2, the sliding blocks 8 are slidably arranged in the sliding grooves respectively, the sliding blocks 8 are fixedly connected with the lifting plates 3, hydraulic cylinders 4 are symmetrically and fixedly arranged between the lifting plates 3 and the mounting plate 1, fixing blocks 5 are symmetrically and fixedly arranged on the lower surface of the lifting plates 3 through damping components, fixing holes are formed in the surfaces of the two fixing blocks 5, axles 6 are fixedly arranged in the two fixing holes, and wheels 7 are rotatably arranged at two ends of each axle 6.

When the axle needs to be lifted, the staff starts two hydraulic cylinders 4 at first, drives lifting plate 3 through two hydraulic cylinders 4 and vertically upwards moves, and then lifting plate 3 drives a plurality of sliders 8 and moves in the spout, through the effect of a plurality of sliders 8, can make lifting plate 3 firm and remove between many spinal branch vaulting poles 2, the in-process of lifting plate 3 vertical upwards moves, drives two fixed blocks 5 through damper and vertically upwards moves, then drives the vertical upwards movement of axletree 6 again, then drives two wheels 7 through axletree 6 and vertically upwards moves, and then realizes the promotion of axle, and is simple in structure, convenient to use, effectual improvement life.

The damping assembly comprises a first telescopic spring 9, two ends of the first telescopic spring 9 are fixedly connected with the lower surface of the lifting plate 3 and the fixed block 5 respectively, and vibration generated in the running process of the semitrailer can be effectively reduced by the first telescopic spring 9 in the damping assembly in the running process, so that the axle is more stable.

The movable holes are formed in the surfaces of the two fixed blocks 5, the movable rods 10 are slidably mounted in the two movable holes, one ends of the two movable rods 10 are rotatably connected with the supporting rods 11, the two supporting rods 11 are rotatably connected with the mounting plate 1, the top blocks 12 are fixedly mounted at one ends of the two movable rods 10 through the buffer components, the buffer components comprise the mounting blocks 13, the two sliding rods 14 and the two second telescopic springs 15, the mounting blocks 13 are fixedly connected with the movable rods 10, sliding holes are symmetrically formed in the surfaces of the mounting blocks 13, the two sliding rods 14 are slidably mounted in the sliding holes respectively, the two second telescopic springs 15 are sleeved on the two sliding rods 14 respectively, two ends of each second telescopic spring 15 are fixedly connected with the top blocks 12 and the mounting blocks 13 respectively, and the third telescopic springs 16 are fixedly mounted between the two movable rods 10.

The lifter plate 3 is in the vertical upward movement in-process that drives fixed block 5, and then the distance between fixed block 5 and the mounting panel 1 shortens, and then drive branch 11 to be close to wheel 7 direction rotation, then drive movable rod 10 to be close to wheel 7 direction through branch 11 and draw, the stretching of third telescopic spring 16, two movable rods 10 rethread buffer assembly drive two kicking blocks 12 and wheel 7 release and extrude, at extruded in-process, kicking block 12 drives many slide bars 14 and moves to being close to the 13 direction of installation, the compression of many second telescopic springs 15, under the effect of many second telescopic springs 15 elasticity, the extrusion of kicking block 12 to wheel 7 is more firm, when the axle is promoting, the effectual wheel 7 that prevents takes place to rotate because of inertia.

The two shoe 12 surfaces are all fixed mounting has slipmats, and two slipmats are rubber material, and the slipmat can effectual increase shoe 12 and the frictional force between the wheel 7.

In the utility model, when the axle needs to be lifted, a worker starts the two hydraulic cylinders 4, drives the lifting plate 3 to vertically move upwards through the two hydraulic cylinders 4, drives the two fixed blocks 5 to vertically move upwards through the damping component in the process of vertically moving upwards of the lifting plate 3, and then drives the two wheels 7 to vertically move upwards through the axle 6, so that the lifting of the axle is realized, the structure is simple, the use is convenient, and the service life is effectively prolonged.

Overall, for technical problems: in the used axle lifting mechanism, the purpose of lifting the axle is mostly realized through a lifting air bag structure, the used axle lifting mechanism has a complex structure and is inconvenient to use, and particularly, the service life of an automobile inflator pump is reduced due to frequent work; adopts the technical proposal that: when the axle is required to be lifted, the lifting plate 3 is controlled to be lifted only through the hydraulic cylinder 4; the implementation process of the technical scheme is as follows: when an axle needs to be lifted, a worker starts two hydraulic cylinders 4, drives a lifting plate 3 to vertically move upwards through the two hydraulic cylinders 4, drives two fixed blocks 5 to vertically move upwards through a damping component in the process of vertically moving upwards of the lifting plate 3, and then drives two wheels 7 to vertically move upwards through an axle 6, so that the lifting of the axle is realized; to necessarily solve the technical problem, the technical effect achieved is that: simple structure, convenient to use, effectual improvement life.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The axle structure of the liftable device for the semi-trailer comprises a mounting plate (1), and is characterized in that a plurality of support rods (2) are vertically and fixedly arranged on the lower surface of the mounting plate (1), and lifting plates (3) are slidably arranged between the plurality of support rods (2) through sliding components;

the hydraulic cylinder (4) is symmetrically and fixedly installed between the lifting plate (3) and the mounting plate (1), the fixed blocks (5) are symmetrically and fixedly installed on the lower surface of the lifting plate (3) through the damping components, the fixed holes are formed in the surfaces of the two fixed blocks (5), the axle (6) is fixedly installed in the fixed holes, and the wheels (7) are rotatably installed at the two ends of the axle (6).

2. The axle structure of a lifting device for a semi-trailer according to claim 1, wherein the sliding assembly comprises a plurality of sliding blocks (8), sliding grooves are formed in the surfaces of the supporting rods (2), the sliding blocks (8) are respectively and slidably installed in the sliding grooves, and the sliding blocks (8) are fixedly connected with the lifting plate (3).

3. The axle structure of the lifting device for the semi-trailer according to claim 1, wherein the damping component comprises a first telescopic spring (9), and two ends of the first telescopic spring (9) are fixedly connected with the lower surface of the lifting plate (3) and the fixed block (5) respectively.

4. The axle structure of a lifting device for a semi-trailer according to claim 1, wherein moving holes are formed in the surfaces of the two fixed blocks (5), moving rods (10) are slidably mounted in the two moving holes, one ends of the two moving rods (10) are rotatably connected with supporting rods (11), the two supporting rods (11) are rotatably connected with a mounting plate (1), and top blocks (12) are fixedly mounted at one ends of the two moving rods (10) through buffer assemblies.

5. The axle structure of a lifting device for a semi-trailer according to claim 4, wherein the buffer assembly comprises a mounting block (13), two sliding rods (14) and two second telescopic springs (15), the mounting block (13) is fixedly connected with the movable rod (10), sliding holes are symmetrically formed in the surface of the mounting block (13), the two sliding rods (14) are respectively and slidably mounted in the sliding holes, the two second telescopic springs (15) are respectively sleeved on the two sliding rods (14), and two ends of each second telescopic spring (15) are respectively and fixedly connected with the top block (12) and the mounting block (13).

6. The axle structure of a lifting device for a semi-trailer according to claim 5, wherein anti-skid pads are fixedly mounted on the surfaces of the two top blocks (12), and the two anti-skid pads are made of rubber.

7. The axle structure of a liftable device for semi-trailer according to claim 4, characterized in that a third telescopic spring (16) is fixedly installed between two of said moving bars (10).