CN215793051U

CN215793051U - Vehicle body height adjusting device for trailer axle

Info

Publication number: CN215793051U
Application number: CN202122229913.9U
Authority: CN
Inventors: 杨英檀
Original assignee: Shandong Jiexing Automobile Technology Co ltd
Current assignee: Shandong Jiexing Automobile Technology Co ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-02-11
Anticipated expiration: 2031-09-15

Abstract

The utility model discloses a vehicle body height adjusting device for a trailer axle, which comprises a base, wherein an adjusting box is fixedly connected to the upper end of the base, the inner wall of the adjusting box is connected with a transverse plate in a sealing and sliding manner, a plurality of supporting columns are fixedly connected to the upper end of the transverse plate, a supporting plate is fixedly connected to the upper ends of the supporting columns together, an oil storage tank is fixedly connected to the lower end of the base, mineral oil is arranged in the oil storage tank, a sliding groove is formed in the base, the inner wall of the sliding groove is connected with a sliding plug in a sealing and sliding manner, the oil storage tank and the sliding groove are mutually communicated through an oil inlet pipe, and the adjusting box and the sliding groove are mutually communicated through an oil supply pipe. The utility model drives the sliding plug to slide on the inner wall of the sliding chute by rotating the driving motor, so that the mineral oil in the oil storage tank is pumped into the sliding chute and then is squeezed into the adjusting box, the support plate can push the vehicle body to move upwards under the action of the mineral oil, the height of the vehicle body of the trailer is adjusted, and the trailer adopts mechanical structures, is simple to operate and has low cost.

Description

Vehicle body height adjusting device for trailer axle

Technical Field

The utility model relates to the technical field of trailers, in particular to a vehicle body height adjusting device for trailer axles.

Background

The trailer is a vehicle which is towed by an automobile and does not have a power driving device per se, and the trailer is further divided into a full trailer and a semi-trailer, and the full trailer and the semi-trailer do not have power driving devices per se.

Most of the existing vehicle body height adjusting devices for trailer axles adopt air springs, the air springs are fixed on the axles, then inert gas or oil-gas mixture is introduced into the air springs, the pressure in a cavity is several times or dozens of times higher than the atmospheric pressure, the motion of a piston rod is realized by utilizing the pressure difference generated by the cross section area of the piston rod smaller than that of the piston, the service life of the air springs is short, the air springs need to be frequently replaced, the cost is greatly increased, and the inert gas and the oil-gas mixture introduced into the air springs are not recycled, so that the waste of resources is caused, and the concept of green and environmental protection is not met.

Based on this, we propose a body height adjustment device for a trailer axle.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a vehicle body height adjusting device for a trailer axle.

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

a automobile body height adjusting device for trailer axle, the on-line screen storage device comprises a base, base upper end fixedly connected with regulating box, the sealed sliding connection of regulating box inner wall has the diaphragm, a plurality of support columns of diaphragm upper end fixedly connected with, it is a plurality of the common fixedly connected with backup pad in support column upper end, base lower extreme fixedly connected with batch oil tank, be equipped with mineral oil in the batch oil tank, the spout has been seted up in the base, the sealed sliding connection of spout inner wall has the sliding plug, batch oil tank and spout communicate each other through advancing oil pipe, regulating box and spout communicate each other through supplying oil pipe, install the gliding actuating mechanism of drive sliding plug in the spout.

Preferably, first actuating mechanism includes the slider of sliding connection at the spout inner wall, the slider is close to two push rods of the lateral wall symmetry fixedly connected with of sliding plug, two the push rod other end and sliding plug fixed connection, install the gliding second actuating mechanism of drive slider in the spout.

Preferably, the second driving mechanism comprises a reciprocating lead screw rotatably connected to the inner wall of the sliding groove, the side wall of the reciprocating lead screw is in threaded connection with the sliding block, the side wall of the base is fixedly connected with a motor, and the output end of the motor penetrates through the side wall of the base and is fixedly connected with the reciprocating lead screw.

Preferably, a first check valve is installed on the inner wall of the oil inlet pipe, and a second check valve is installed on the inner wall of the oil supply pipe.

Preferably, the regulating box side wall fixedly connected with goes out oil pipe, go out oil pipe other end and batch oil tank fixed connection, the solenoid valve is installed to the oil pipe inner wall.

Preferably, a plurality of springs are fixedly connected to the bottom in the adjusting box, the upper ends of the springs are fixedly connected with the lower end of the transverse plate, and the inner wall of the sliding groove, which is close to the motor, is provided with a through hole.

Preferably, the base lower extreme symmetry fixedly connected with mounting bracket, the mounting bracket lower extreme passes through screw and axle fixed connection.

The utility model has the following beneficial effects:

1. through setting up the regulating box, the support column, the backup pad, the diaphragm, the batch oil tank, the spout, the sliding plug, advance oil pipe, supply oil pipe, first actuating mechanism and second actuating mechanism, rotate through driving motor, it slides at the spout inner wall to drive the sliding plug, with the mineral oil suction spout in the batch oil tank, then squeeze into in the regulating box again, can drive the diaphragm rebound under mineral oil's effect, and then drive the backup pad and promote automobile body rebound, adjust the automobile body height of trailer, the adoption all be mechanical structure, the operation is thus simple, the carrier wave prepaid electric energy meter is low in cost, need not frequently change.

2. Through setting up out oil pipe and solenoid valve, for the solenoid valve circular telegram, the solenoid valve can be opened, and mineral oil in the regulating box can flow into the batch oil tank through going out oil pipe in, along with mineral oil's reduction this moment, the backup pad can the downstream, drives the automobile body and moves down, highly adjusts the automobile body, and mineral oil can get back to the storage oil tank once more and carry out reuse simultaneously, avoids causing the waste of resource, more green.

Drawings

Fig. 1 is a perspective view of a body height adjustment device for a trailer axle according to the present invention;

FIG. 2 is a schematic cross-sectional view of the structure of FIG. 1;

fig. 3 is a partially enlarged view of a portion a in fig. 2.

In the figure: the device comprises a base 1, an adjusting box 2, a transverse plate 3, a supporting column 4, a supporting plate 5, an oil storage box 6, a sliding chute 7, a sliding block 71, a sliding plug 8, an oil inlet pipe 9, a first check valve 10, an oil supply pipe 11, a second check valve 12, a push rod 13, a reciprocating lead screw 14, a motor 15, an oil outlet pipe 16, an electromagnetic valve 17, a spring 18, a through hole 19 and a mounting rack 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, a vehicle body height adjusting device for trailer axle, including base 1, base 1 upper end fixedly connected with regulating

box

2, 2 inner walls of regulating box are sealed sliding connection has

diaphragm

3, 3 upper ends of diaphragm fixedly connected with a plurality of support columns 4, the common fixedly connected with backup pad 5 in a plurality of support columns 4 upper end, it needs to be said that, backup pad 5 upper end and the suspension fixed connection on the vehicle body.

Base 1 lower extreme fixedly connected with batch oil tank 6, be equipped with mineral oil in batch oil tank 6, spout 7 has been seted up in the base 1, the sealed sliding connection of spout 7 inner wall has sliding plug 8, batch oil tank 6 communicates each other through advancing oil pipe 9 with spout 7, advance oil pipe 9 inner wall and install first check valve 10, it needs to explain, mineral oil in batch oil tank 6 can flow into in spout 7 through first check valve 10, and mineral oil in spout 7 can't flow back to batch oil tank 6 through first check valve 10, regulating box 2 communicates each other through supplying oil pipe 11 with spout 7, supply oil pipe 11 inner wall to install second check valve 12, it needs to explain, mineral oil in spout 7 can flow into regulating box 2 through second check valve 12, and mineral oil in regulating box 2 can't flow into in spout 7 through second check valve 12.

The side wall of the adjusting box 2 is fixedly connected with an oil outlet pipe 16, the other end of the oil outlet pipe 16 is fixedly connected with the oil storage box 6, the inner wall of the oil outlet pipe 16 is provided with an electromagnetic valve 17, the chute 7 is internally provided with a first driving mechanism for driving the sliding plug 8 to slide, the bottom in the adjusting box 2 is fixedly connected with a plurality of springs 18, the upper ends of the plurality of springs 18 are fixedly connected with the lower end of the transverse plate 3, when the vehicle body receives bump or impact, the force is applied to the supporting plate 5, and the spring 18 is stressed and compressed, so that the impact force is converted into elastic potential energy, the vehicle body is cushioned and damped, a through hole 19 is arranged on the inner wall of the chute 7 close to the motor 15, and it should be noted that, when the sliding plug 8 slides in the sliding chute 7 in a sealing manner, the through hole 19 can balance the pressure change in the sliding chute 7, the lower end of the base 1 is symmetrically and fixedly connected with the mounting rack 20, and the lower end of the mounting rack 20 is fixedly connected with the axle through screws.

The first driving mechanism comprises a sliding block 71 which is connected to the inner wall of the sliding chute 7 in a sliding mode, the sliding block 71 is symmetrically and fixedly connected with two push rods 13 close to the side wall of the sliding plug 8, the other ends of the two push rods 13 are fixedly connected with the sliding plug 8, and a second driving mechanism which drives the sliding block 71 to slide is installed in the sliding chute 7.

The second driving mechanism comprises a reciprocating lead screw 14 which is rotatably connected to the inner wall of the sliding groove 7, the side wall of the reciprocating lead screw 14 is in threaded connection with the sliding block 71, a motor 15 is fixedly connected to the side wall of the base 1, and the output end of the motor 15 penetrates through the side wall of the base 1 and is fixedly connected with the reciprocating lead screw 14.

In the using process, the driving motor 15 rotates to drive the reciprocating screw 14 to rotate, the sliding block 71 is driven to slide on the inner wall of the sliding chute 7, the sliding block 71 drives the sliding plug 8 to slide on the inner wall of the sliding chute 7 in a sealing manner through the push rod 13, mineral oil in the oil storage tank 6 is pumped into the sliding chute 7 through the oil inlet pipe 9 under the action of the sliding plug 8, then the mineral oil in the sliding chute 7 is squeezed into the adjusting tank 2 through the oil supply pipe 11, the mineral oil pushes the transverse plate 3 to move upwards along with the increasing amount of the mineral oil in the adjusting tank 2, the supporting column 4 is driven to move upwards, the supporting plate 5 is driven to move upwards, and the supporting plate 5 pushes a suspension on a vehicle body to move upwards, so that the vehicle body is lifted;

through switching on for solenoid valve 17, solenoid valve 17 can open, and the mineral oil in the regulating box 2 can flow back to the batch oil tank 6 through going out oil pipe 16 this moment in, along with the mineral oil is less and less in the regulating box 2, diaphragm 3 can slowly move down, drives support column 4 downstream, drives backup pad 5 downstream, and then drives the automobile body downstream for the automobile body reduces.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A vehicle body height adjusting device for a trailer axle comprises a base (1) and is characterized in that, the upper end of the base (1) is fixedly connected with an adjusting box (2), the inner wall of the adjusting box (2) is connected with a transverse plate (3) in a sealing and sliding way, the upper end of the transverse plate (3) is fixedly connected with a plurality of supporting columns (4), the upper ends of the supporting columns (4) are jointly and fixedly connected with a supporting plate (5), the lower end of the base (1) is fixedly connected with an oil storage tank (6), mineral oil is arranged in the oil storage tank (6), a sliding chute (7) is arranged in the base (1), the inner wall of the sliding chute (7) is connected with a sliding plug (8) in a sealing and sliding way, the oil storage tank (6) is communicated with the chute (7) through an oil inlet pipe (9), the adjusting box (2) is communicated with the sliding chute (7) through an oil supply pipe (11), and a first driving mechanism for driving the sliding plug (8) to slide is arranged in the sliding groove (7).

2. The vehicle body height adjusting device for the trailer axle is characterized in that the first driving mechanism comprises a sliding block (71) which is connected to the inner wall of the sliding groove (7) in a sliding mode, two push rods (13) are symmetrically and fixedly connected to the side wall, close to the sliding plug (8), of the sliding block (71), the other ends of the two push rods (13) are fixedly connected with the sliding plug (8), and a second driving mechanism which drives the sliding block (71) to slide is installed in the sliding groove (7).

3. The vehicle body height adjusting device for the trailer axle is characterized in that the second driving mechanism comprises a reciprocating lead screw (14) rotatably connected to the inner wall of the sliding groove (7), the side wall of the reciprocating lead screw (14) is in threaded connection with a sliding block (71), the side wall of the base (1) is fixedly connected with a motor (15), and the output end of the motor (15) penetrates through the side wall of the base (1) and is fixedly connected with the reciprocating lead screw (14).

4. The vehicle body height adjusting device for the trailer axle according to claim 1, characterized in that a first check valve (10) is installed on the inner wall of the oil inlet pipe (9), and a second check valve (12) is installed on the inner wall of the oil supply pipe (11).

5. The vehicle body height adjusting device for the trailer axle is characterized in that an oil outlet pipe (16) is fixedly connected to the side wall of the adjusting box (2), the other end of the oil outlet pipe (16) is fixedly connected with the oil storage box (6), and an electromagnetic valve (17) is installed on the inner wall of the oil outlet pipe (16).

6. The vehicle body height adjusting device for the trailer axle according to claim 1, characterized in that a plurality of springs (18) are fixedly connected to the bottom in the adjusting box (2), the upper ends of the plurality of springs (18) are fixedly connected with the lower end of the transverse plate (3), and a through hole (19) is formed in the inner wall of the sliding groove (7) close to the motor (15).

7. The vehicle body height adjusting device for the trailer axle is characterized in that the lower end of the base (1) is symmetrically and fixedly connected with a mounting rack (20), and the lower end of the mounting rack (20) is fixedly connected with the axle through a screw.