CN217059291U

CN217059291U - Endurance test device for fixed point of automobile steering column

Info

Publication number: CN217059291U
Application number: CN202122921597.1U
Authority: CN
Inventors: 杨盛高; 滕斌; 韦之斜; 蓝咪
Original assignee: SAIC GM Wuling Automobile Co Ltd
Current assignee: SAIC GM Wuling Automobile Co Ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-07-26
Anticipated expiration: 2031-11-25

Abstract

The utility model is suitable for a steering column fixed point endurance test field provides a endurance test device of car steering column fixed point, endurance test device includes the iron platform, sets up stand on the iron platform sets up be used for the sub vehicle frame anchor clamps of fixed sub vehicle frame on the stand, set up on the sub vehicle frame and fix through the steering column fixed point steering column on the sub vehicle frame sets up can the adjusting position be used for the pulling on the iron platform steering column provides the lift guiding mechanism of direction, and sets up can the adjusting position be used for providing the lifting power unit who draws power on the iron platform. The technical problem that in the prior art, the strength of a steering column mounting point cannot be subjected to durability verification is solved.

Description

Endurance test device for fixed point of automobile steering column

Technical Field

The utility model belongs to steering column fixed point endurance test field especially relates to an endurance test device of car steering column fixed point.

Background

The steering column is an important element for connecting a steering wheel and a steering gear of a steering system, and a driver transmits torque to the steering gear through the steering column to drive the steering gear to realize steering; the strength of the mounting point directly influences the driving safety and driving of the vehicle; therefore, the durability of the film needs to be verified.

Disclosure of Invention

An object of the utility model is to provide a durability test device of car steering column fixed point aims at solving among the prior art the intensity of steering column mounting point and can not carry out the technical problem that the durability is verified.

The utility model discloses a realize like this, a endurance test device of car steering column fixed point, endurance test device includes the iron platform, sets up stand on the iron platform sets up the sub vehicle frame anchor clamps that are used for fixed sub vehicle frame on the stand set up and be in on the sub vehicle frame and fix through the steering column fixed point steering column on the sub vehicle frame sets up can the adjusting position be used for the pulling on the iron platform steering column provides the lift guiding mechanism of direction, and sets up can the adjusting position be used for providing the lift power unit who draws power on the iron platform.

The utility model discloses a further technical scheme is: the lifting guide mechanism comprises a first vertical plate, a first lifting plate and a guide unit, wherein the first vertical plate is arranged on the iron platform and provided with a guide groove, the first lifting plate is arranged on the first vertical plate and arranged on the guide groove, and the position of the first lifting plate can be adjusted up and down, and the guide unit is arranged on the first lifting plate.

The utility model discloses a further technical scheme is: the guide unit comprises a guide fixing frame arranged on the first lifting plate, sliding wheels arranged on the upper side face and the lower side face of the inner side of the guide fixing frame and used for providing guide, a guide sliding block arranged between the upper sliding wheel and the lower sliding wheel and capable of sliding on the upper sliding wheel and the lower sliding wheel, a steering pull rod arranged at the front end of the guide sliding block and used for connecting the steering column, and a connecting seat arranged at the tail end of the guide sliding block and used for connecting the lifting power mechanism.

The utility model discloses a further technical scheme is: the lifting power mechanism comprises a second vertical plate which is arranged on the iron platform and provided with a guide groove, a second lifting plate which is arranged on the second vertical plate and arranged on the guide groove, and the position of the second lifting plate can be adjusted up and down, and a power unit arranged on the second lifting plate.

The utility model discloses a further technical scheme is: the power unit comprises a fixed seat arranged on the second lifting plate, a driving oil cylinder with the tail end arranged on the fixed seat and used for providing push-pull power, a force sensor arranged on a telescopic rod of the driving oil cylinder and used for detecting a force value, and a connecting shaft arranged on the force sensor and used for connecting the connecting seat.

The utility model has the advantages that: this kind of endurance test device of car steering column fixed point can satisfy all motorcycle types and carry out steering column fixed point endurance test, can show the push-pull force maximum value in real time, and the power value protection, can show the change value of maximum displacement in real time, and there is the displacement protection, endurance test through millions of times, the convenience of this technique has been verified, reliability and practicality, need not to dismantle and destroy experimental sample spare, fully realize sub vehicle frame endurance test, ensure the accuracy of test data, can adjust the installation according to the steering column of equidimension not, and easy operation, it is convenient to maintain, no destructiveness to experimental sample spare, and reduce the test cost.

Drawings

FIG. 1 is a structural diagram of a durability testing apparatus for a fixing point of a steering column of an automobile according to an embodiment of the present invention;

fig. 2 is an enlarged structure view of a lifting guide mechanism of a durability test device of an automobile steering column fixed point provided by the embodiment of the utility model.

Detailed Description

Reference numerals are as follows: the auxiliary frame comprises an iron platform 1, an iron platform 2, a stand column 3, an auxiliary frame 4, a steering column fixing point 5, a steering column 6, a first vertical plate 7, a first lifting plate 8, a guide fixing frame 9, a sliding wheel 10, a guide sliding block 11, a steering pull rod 12, a connecting seat 13, a second vertical plate 14, a second lifting plate 15, a fixing seat 16, a driving oil cylinder 17, a force sensor 18, a connecting shaft 19 and an auxiliary frame clamp.

Fig. 1-2 show a pair of endurance test device of car steering column fixed point, endurance test device includes iron platform 1, sets up stand 2 on the iron platform 1 sets up be used for fixed sub vehicle frame 3 on the stand 2 to put up sub vehicle frame anchor clamps 19, sets up on the sub vehicle frame 3 and fix through steering column fixed point 4 steering column 5 on the sub vehicle frame 3 sets up can the adjusting position be used for the pulling on the iron platform 1 steering column 5 provides the lift guiding mechanism of direction, and sets up can the adjusting position be used for providing the lift power unit who draws power on the iron platform 1.

The lifting guide mechanism comprises a first vertical plate 6 with a guide groove, a first lifting plate 7 and a guide unit, wherein the first vertical plate 6 is arranged on the iron platform 1, the position of the first lifting plate 7 can be adjusted up and down on the guide groove, and the guide unit is arranged on the first lifting plate 7. The guiding unit comprises a guiding fixing frame 8 arranged on the first lifting plate 7, sliding wheels 9 arranged on the upper side face and the lower side face of the inner side of the guiding fixing frame 8 and used for providing guiding, guiding sliders 10 arranged between the sliding wheels 9 and capable of sliding on the sliding wheels 9 up and down, a steering pull rod 11 arranged at the front end of each guiding slider 10 and used for being connected with the steering column 5, and a connecting seat 12 arranged at the tail end of each guiding slider 10 and used for being connected with the lifting power mechanism.

The lifting power mechanism comprises a second vertical plate 13 which is arranged on the iron platform 1 and provided with a guide groove, a second lifting plate 14 which is arranged on the second vertical plate 13 and is arranged on the guide groove and can be adjusted up and down, and a power unit arranged on the second lifting plate 14. The power unit comprises a fixed seat 15 arranged on the second lifting plate 14, a driving oil cylinder 16 with the tail end arranged on the fixed seat 15 and used for providing push-pull power, a force sensor 17 arranged on an expansion rod of the driving oil cylinder 16 and used for detecting a force value, and a connecting shaft 18 arranged on the force sensor 17 and used for connecting the connecting seat 12.

When the device is installed and used, the upright post 2 is placed on the iron platform 1, the steering column 5 and the auxiliary frame 3 are connected and fixed on the upright post 2 through the auxiliary frame clamp 19, the guide unit is fixed on the first lifting plate 7, because the driving oil cylinder 16 swings and can not be pushed and pulled on a straight line with the steering pull rod 11 when in operation, the driving oil cylinder 16 applies force to the steering pull rod 11 through the guide unit, the steering column 5 is fixed on the auxiliary frame 3, the steering pull rod 11 is connected and fixed with the guide sliding block 10, finally the upright post 2 and the first lifting plate 7 are fixed on the iron platform through the pressing block, the loading force of pushing and pulling is set in the loading program, when the pushing force reaches the set value in the test, the reverse pulling force is immediately converted, if the set force value is exceeded, the alarm is immediately sent out and the machine is stopped, the operation displacement of the driving oil cylinder 16 is set, and the pushing and pulling displacement of each time is ensured to be the same, if the displacement exceeds the set displacement during operation, the alarm is immediately sent out and the machine is stopped, the test is started after the program is set, the driving oil cylinder 16 transversely pushes and pulls the steering pull rod 11, the endurance strength of the steering column fixing point 4 connected with the steering column 5 and the auxiliary frame 3 is verified, and a contrast agent is sprayed on the area of the steering column fixing point 4 connected with the steering column 5 and the auxiliary frame 3 before the test, so that whether the test point cracks or deforms is convenient.

This kind of endurance test device of car steering column fixed point can satisfy all motorcycle types and carry out steering column fixed point endurance test, can show the push-pull power maximum value in real time, and the power value protection, can show the change value of maximum displacement in real time, and there is the displacement protection, through millions of endurance test, the convenience of this technique has been verified, reliability and practicality, need not to dismantle and destroy experimental sample spare, fully realize sub vehicle frame endurance test, ensure the accuracy of experimental data, can adjust the installation according to the steering column of equidimension not, and easy operation, it is convenient to maintain, no destructiveness to experimental sample spare, and reduce the test cost.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims

1. The utility model provides an endurance test device of car steering column fixed point which characterized in that: the endurance test device comprises an iron platform, a stand column arranged on the iron platform, an auxiliary frame fixture arranged on the stand column and used for fixing an auxiliary frame, a steering column arranged on the auxiliary frame and fixed on the auxiliary frame through a steering column fixing point, a lifting guide mechanism arranged on the iron platform and capable of adjusting the position to pull the steering column and provide guide, and a lifting power mechanism arranged on the iron platform and capable of adjusting the position to provide push-pull power.

2. The endurance testing apparatus according to claim 1, wherein the lifting guide mechanism includes a first vertical plate having a guide groove provided on the iron platform, a first lifting plate provided on the first vertical plate and disposed on the guide groove to be adjustable in position up and down, and a guide unit provided on the first lifting plate.

3. The endurance testing apparatus according to claim 2, wherein the guiding unit includes a guiding fixing frame disposed on the first lifting plate, sliding wheels disposed on upper and lower sides of an inner side of the guiding fixing frame for providing guiding, a guiding slider disposed between the upper and lower sliding wheels and capable of sliding on the upper and lower sliding wheels, a steering rod disposed at a front end of the guiding slider for connecting to the steering column, and a connecting seat disposed at a rear end of the guiding slider for connecting to the lifting power mechanism.

4. The endurance testing apparatus according to claim 3, wherein the lifting power mechanism includes a second vertical plate having a guide groove disposed on the iron platform, a second lifting plate disposed on the second vertical plate and disposed on the guide groove, the position of which can be adjusted up and down, and a power unit disposed on the second lifting plate.

5. The endurance testing apparatus of claim 4, wherein the power unit comprises a fixing base disposed on the second lifting plate, a driving cylinder disposed at a tail end of the fixing base for providing a pushing and pulling power, a force sensor disposed on a telescopic rod of the driving cylinder for detecting a force value, and a connecting shaft disposed on the force sensor for connecting the connecting base.