CN112518690A

CN112518690A - Automobile chassis maintenance workbench

Info

Publication number: CN112518690A
Application number: CN202011380165.8A
Authority: CN
Inventors: 甘守武; 唐跃辉; 贺军
Original assignee: Chongqing College of Electronic Engineering
Current assignee: Chongqing College of Electronic Engineering
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-03-19
Anticipated expiration: 2040-11-30
Also published as: CN112518690B

Abstract

The invention belongs to the technical field of automobile maintenance, and particularly discloses an automobile chassis maintenance workbench which comprises a base, wherein a plurality of lifting platforms for supporting automobile tires are fixed on the top surface of the base, a lifting cavity is formed in the workbench and is arranged right below the lifting platforms, a sliding piece is vertically and slidably connected in the lifting cavity, and the top end of the sliding piece is fixedly connected to the top end of the lifting platforms; the base center is opened there is the cavity, and vertical sliding connection has a plurality of closing plates that can seal the cavity in the cavity, and closing plate top fixedly connected with connecting rod, the one end fixed connection slider of closing plate are kept away from to the connecting rod, and adjacent closing plate can contradict each other sealedly, and the bottom fixedly connected with negative-pressure air fan of cavity, cavity lateral wall are opened there is the hole of airing exhaust, and open at the top of cavity has the whistle hole that is used for making sound. The invention aims to provide an automobile chassis maintenance workbench to solve the technical problem that an automobile is prone to inclination due to inconsistent heights of lifting machines.

Description

Automobile chassis maintenance workbench

Technical Field

The invention belongs to the technical field of automobile maintenance, and particularly discloses an automobile chassis maintenance workbench.

Background

When the automobile chassis is maintained, generally, a worker directly lies on the back to enter the lower part of the automobile or lies on a lying plate to enter the lower part of the automobile to maintain the automobile chassis, but the lying posture is not in line with the working habit of the general person, so that the maintenance efficiency is low; moreover, the hands of workers need to be lifted for a long time, so that the situation that the hands are too acid and soft to apply force easily occurs, and the maintenance progress is also influenced; meanwhile, the space at the bottom of the vehicle is small, so that workers are difficult to rotate or move, tools are difficult to replace for the workers, and the development of work is not facilitated.

In the prior art, a plurality of lifting machines are generally adopted to lift the automobile upwards, so that the space at the bottom of the automobile is increased, and workers can better perform work. However, the working personnel still need to enter the lower side of the automobile to work, the lifting machines in the prior art cannot guarantee the complete consistency of the heights of the lifting machines, the automobile is prone to being inclined on the lifting platform, the automobile drops suddenly in the maintenance process, and the safety of the working personnel is seriously threatened.

Disclosure of Invention

The invention aims to provide an automobile chassis maintenance workbench to solve the technical problem that an automobile is prone to inclination due to inconsistent heights of lifting machines.

In order to achieve the purpose, the basic scheme of the invention is as follows: the automobile chassis maintenance workbench comprises a base, wherein a plurality of lifting platforms for supporting automobile tires are fixed on the top surface of the base, a lifting cavity is formed in the workbench and is arranged right below the lifting platforms, a sliding piece is vertically and slidably connected in the lifting cavity, and the top end of the sliding piece is fixedly connected to the top end of the lifting platforms;

open at the base center has the cavity, vertical sliding connection has a plurality of closing plates that can seal the cavity in the cavity, closing plate top fixedly connected with connecting rod, the one end fixed connection slider of closing plate is kept away from to the connecting rod, adjacent closing plate can contradict each other sealed, the bottom fixedly connected with negative-pressure air fan of cavity, the cavity lateral wall is opened has the hole of airing exhaust, the one end that the cavity was kept away from in the hole of airing exhaust communicates in the top of base, open at the top of cavity has the whistle hole that is used for making a sound.

The working principle and the beneficial effects of the basic scheme are as follows: this technical scheme utilizes the elevating platform in order to realize the effect to the car support to freely stretch out and draw back through the elevating platform is in order to realize controlling the free regulation of car in height. Meanwhile, in the lifting process of the lifting platform, the sliding piece fixedly connected with the lifting platform synchronously moves in the lifting cavity along with the vertical direction. In the process of the movement of the sliding piece, the sliding piece drives the sealing plate to move in the cavity in the vertical direction.

When the lifting platforms are equal in height and move synchronously, all the sealing plates are positioned on the same horizontal plane, the plane formed by all the sealing plates seals the upper half part of the cavity, and the air blown out by the negative pressure fan can be discharged from the air outlet of the cavity only. The in-process that finally realizes the maintenance of maintenance personal realizes the technological effect that the air lasts the circulation, can ensure maintenance personal operational environment's comfortable on the one hand, and on the other hand also can realize blowing off the technological effect of dust to vehicle chassis clearance. When the height of the lifting platform is inconsistent, the height of the sealing plate in the cavity is also inconsistent. When deviation occurs between the sealing plates, gaps occur between adjacent sealing plates, and the upper half part of the cavity cannot be sealed. Part air current gets into the first half of cavity under this state to discharge by the whistle hole at cavity top finally, can send the whistle sound at the in-process that the air current passes through the whistle hole, with the technological effect of final realization warning, remind the car that the maintenance personal is in the tilt state under this state this moment, there is the risk of landing under this state of car.

Compared with the prior art, the technical scheme has the advantages that through the additional arrangement of the mechanisms such as the negative-pressure fan, on the one hand, maintenance personnel can maintain the air circulation of the cavity, the technical effect of automatic alarm can be achieved when the automobile inclines due to the fact that the lifting platforms are not uniform in height, the safety of the maintenance personnel is effectively improved, and the situation that the automobile slides down effectively occurs.

Further, the top end of the whistle hole is rotatably connected with a wind wheel.

Has the advantages that: this technical scheme is through add the wind wheel in the whistle hole to can blow the wind wheel and rotate when having the air current to pass through in the whistle hole, so that the maintenance personal can be in order to judge whether the car is in the state of slope through the rotation condition of visual observation wind wheel.

Further, the cross section of the bottom of the cavity is rectangular, and the inner wall of the top of the cavity is a curved surface.

Has the advantages that: this technical scheme is through the cross section of injecing the cavity bottom so that the slip of closing plate, the inner wall at injecing the cavity top simultaneously to make cavity top constitute an air chamber, make the air current can make sound when passing through.

Further, the sliding part comprises a sliding block, and a ball is embedded in the side wall of the sliding block.

Has the advantages that: this technical scheme is through add the ball at the lateral wall of slider to reduce the resistance between slider and the lift chamber, improve the smoothness nature in the motion process.

Further, the top surface of the lifting platform is provided with a groove for accommodating a tire.

Has the advantages that: this technical scheme is through seting up the recess so that hold the tire of car to improve the stability that the car was parked at the elevating platform.

Furthermore, the inner wall of the groove is provided with anti-skid grains.

Has the advantages that: this technical scheme has increased anti-skidding line at the inner wall of recess to avoid the car to appear the condition emergence of removing on the elevating platform, improve the security in the maintenance process.

Drawings

FIG. 1 is a front sectional view of an automotive chassis repair workbench in accordance with an embodiment of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the wind wheel lifting device comprises a base 1, a lifting platform 2, a groove 3, a transmission rod 4, a sliding block 5, a lifting cavity 6, a connecting rod 7, a sealing plate 8, a cavity 9, an air exhaust hole 10, a whistle hole 11, a wind wheel 12 and a negative pressure fan 13.

The embodiment is basically as shown in the attached figure 1: the automobile chassis maintenance workbench comprises a base 1, wherein four lifting platforms 2 used for supporting automobile tires are fixed on the top surface of the base 1, and the four lifting platforms 2 are arrayed at the top of the base 1. The top surface of the lifting platform 2 is provided with a strip-shaped groove 3 for accommodating an automobile tire, and the inner wall of the groove 3 is provided with anti-skid lines. A lifting cavity 6 is arranged in the workbench under the lifting platform 2, and the cross section of the lifting cavity 6 is circular. The vertical sliding connection has slider 5 in the lift chamber 6, and the lateral wall of slider 5 evenly inlays along circumference has a plurality of balls. A transmission rod 4 is fixedly welded at the top end of the sliding block 5, and the top end of the transmission rod 4 is fixedly welded at the top end of the lifting platform 2;

a cavity 9 is formed in the center of the base 1, the cross section of the bottom of the cavity 9 is rectangular, and the inner wall of the top of the cavity 9 is an arc curved surface. Four sealing plates 8 capable of sealing the cavity 9 are vertically and slidably connected in the cavity 9. The top end of each sealing plate 8 is fixedly connected with a connecting rod 7 in a welding mode, and the connecting rods 7 are of L-shaped structures. The top end of the connecting rod 7 penetrates through the cavity 9 and is welded and fixed on the side wall of the sliding block 5, wherein the connecting rod 7 and the cavity 9 can slide vertically in a sealing mode. The circumference lateral wall of closing plate 8 is inlayed and is fixed with the sealing strip, and adjacent closing plate 8 can be contradicted each other sealedly. The bottom of the cavity 9 is fixedly connected with a negative pressure fan 13. The side wall of the cavity 9 is provided with a plurality of air exhaust holes 10, and one end of each air exhaust hole 10 far away from the cavity 9 is communicated with the top of the base 1. The top of the cavity 9 is provided with a whistle hole 11 for making a sound, and the top end of the whistle hole 11 is rotatably connected with a wind wheel 12.

The specific implementation process is as follows: firstly, an operator controls the four lifting platforms 2 to be positioned at the bottommost end, and parks the automobile on the lifting platforms 2, the four wheels of the automobile respectively correspond to the four lifting platforms 2, and the wheels of the automobile are positioned in the grooves 3 on the top surfaces of the lifting platforms 2. Then, the operator controls the four lifting platforms 2 to ascend synchronously so as to realize free adjustment of the height of the automobile. Meanwhile, in the process of lifting the lifting platform 2, the sliding block 5 fixedly connected with the lifting platform 2 synchronously moves in the vertical direction in the lifting cavity 6. During the movement of the slider 5, the slider also drives the sealing plate 8 to move vertically in the cavity 9.

When the heights of the lifting platforms 2 are equal and the lifting platforms move synchronously, the sliding block 5 drives the sealing plate 8 to move vertically through the connecting rod 7. Because all the sealing plates 8 are positioned on the same horizontal plane, the upper half part of the cavity 9 can be completely sealed by the plane formed by all the sealing plates 8, and at the moment, the air blown out by the negative pressure fan 13 can be discharged from the air outlet 10 of the cavity 9 only, so that the aim of realizing continuous air circulation in the maintenance process of maintenance personnel is fulfilled. When the height of the lift table 2 varies, the height of the sealing plate 8 in the cavity 9 also varies. When a deviation occurs between the sealing plates 8, a gap occurs between the adjacent sealing plates 8, and the upper half of the cavity 9 cannot be sealed. Part of the airflow enters the upper half part of the cavity 9 in the state and is finally discharged from the whistle hole 11 at the top of the cavity 9, whistle can be generated in the process that the airflow passes through the whistle hole 11, the technical effect of alarming is finally achieved, maintenance personnel are reminded that the automobile in the state is in an inclined state at the moment, and the risk of sliding off exists in the automobile in the state. Meanwhile, airflow in the whistle hole 11 can blow the wind wheel 12 to rotate, so that maintenance personnel can observe the rotation condition of the wind wheel 12 through naked eyes to judge whether the automobile is in an inclined state.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the present invention.

Claims

1. Vehicle chassis maintenance work platform, including the base, its characterized in that: a plurality of lifting platforms used for supporting automobile tires are fixed on the top surface of the base, a lifting cavity is formed in the working platform under the lifting platforms, a sliding piece is vertically and slidably connected in the lifting cavity, and the top end of the sliding piece is fixedly connected to the top end of the lifting platform;

the base center is opened there is the cavity, vertical sliding connection has a plurality of sealings that can seal in the cavity the closing plate of cavity, closing plate top fixedly connected with connecting rod, the one end fixed connection of closing plate is kept away from to the connecting rod the slider is adjacent the closing plate can be contradicted each other sealed, the bottom fixedly connected with negative-pressure air fan of cavity, the cavity lateral wall is opened there is the hole of airing exhaust, the hole of airing exhaust is kept away from the one end of cavity and is linked together in the top of base, open at the top of cavity has the whistle hole that is used for making a sound.

2. The automotive chassis servicing table of claim 1, wherein: the top end of the whistle hole is rotatably connected with a wind wheel.

3. The vehicle chassis servicing workbench according to claim 2, wherein: the cross section of the bottom of the cavity is rectangular, and the inner wall of the top of the cavity is a curved surface.

4. The vehicle chassis servicing workbench according to claim 3, wherein: the sliding part comprises a sliding block, and a ball is embedded in the side wall of the sliding block.

5. The automotive chassis servicing table of claim 1, wherein: the top surface of the lifting platform is provided with a groove for accommodating a tire.

6. The vehicle chassis servicing workbench according to claim 5, wherein: the inner wall of the groove is provided with anti-skid grains.