CN209784057U - Sheet metal stress adjusting device for automobile - Google Patents
Sheet metal stress adjusting device for automobile Download PDFInfo
- Publication number
- CN209784057U CN209784057U CN201822225850.8U CN201822225850U CN209784057U CN 209784057 U CN209784057 U CN 209784057U CN 201822225850 U CN201822225850 U CN 201822225850U CN 209784057 U CN209784057 U CN 209784057U
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- China
- Prior art keywords
- sample
- stress
- deformation
- sample clamping
- sheet metal
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- Expired - Fee Related
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a sheetmetal stress adjustment device for car, including installation base (1), sample fixture and deflection adjustment mechanism, sample fixture installs on installation base (1), deflection adjustment mechanism is connected with sample fixture, wherein, sample fixture includes that one both sides have sample centre gripping frame (2) of a (21) of bending, and this sample centre gripping frame (2) bottom is connected with deflection adjustment mechanism, and sample (7) set up in sample centre gripping frame (2), change the atress under both sides a (21) of bending and deflection adjustment mechanism's effect. Compared with the prior art, the utility model has the advantages of easy operation is convenient, improve measuring accuracy etc.
Description
Technical Field
The utility model relates to an auto parts testing arrangement especially relates to a sheetmetal stress adjustment device for car.
Background
the front end and the rear end of the automobile are provided with bumpers which not only have the decoration function, but also are more important to be safety devices which absorb and buffer the external impact force and protect the automobile body and passengers. For many years, the front and rear bumpers of automobiles are mainly made of metal materials, U-shaped channel steel is punched by steel plates with the thickness of more than 3 millimeters, chromium plating is carried out on the U-shaped channel steel, the U-shaped channel steel is riveted or welded with frame longitudinal beams, a large gap is formed between the U-shaped channel steel and an automobile body, and the automobile front and rear bumpers are just like a part which is attached to the automobile body and is not attractive. With the development of the automobile industry and the extensive use of engineering plastics in the automobile industry, automobile bumpers have also been revolutionized as an important safety device. At present, the front and rear bumpers of the automobile not only keep the original protection function, but also pursue harmony and unity with the shape of the automobile body and pursue the light weight of the automobile. The front and rear bumpers of a car are all made of plastic and are called plastic bumpers. The bumper is often required to be tested in various performances in production and use so as to ensure the safety of the bumper.
the aluminum material used for the automobile front bumper is in the condition of stress deformation for a long time in the actual use process. The detection device in the prior art cannot simulate the stress condition of the sample piece, and the detection result is not accurate enough.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a sheet metal stress adjustment device for car in order to overcome the defect that above-mentioned prior art exists.
The purpose of the utility model can be realized through the following technical scheme:
A stress adjusting device for a metal sheet for an automobile comprises an installation base, a sample clamping mechanism and a deflection adjusting mechanism, wherein the sample clamping mechanism is installed on the installation base, the deflection adjusting mechanism is connected with the sample clamping mechanism, wherein,
The sample clamping mechanism comprises a sample clamping frame with bending pieces on two sides, the bottom of the sample clamping frame is connected with the deformation adjusting mechanism, and a sample is arranged in the sample clamping frame and changes stress under the action of the bending pieces on the two sides and the deformation adjusting mechanism.
Furthermore, the contact positions of the bending piece and the deformation adjusting mechanism and the sample are provided with insulating rods.
Furthermore, a groove for installing the insulating rod is formed in the bending piece.
further, the deformation amount adjustment mechanism includes a bolt.
Further, the bottom of the sample clamping frame is provided with a bolt hole for penetrating through the bolt.
Further, the sample clamping mechanism is mounted on the mounting base through a clamp mechanism.
Further, the two clamp mechanisms are arranged at two ends of the sample clamping mechanism.
Further, the clamp mechanism comprises a clamp body and a pressing plate connected with the clamp body.
further, the clamp body is also provided with a clamp handle.
further, the device also comprises a dial indicator for measuring the deformation height of the sample, and the dial indicator is arranged on a mica platform.
Compared with the prior art, the utility model discloses have with following beneficial effect:
1. The utility model discloses the device can carry out stress adjustment to the sheetmetal sample for the car to can realize testing the sheetmetal under the sheetmetal atress condition, thereby improve the measuring accuracy.
2. The utility model discloses a sample fixture centre gripping sheetmetal sample, convenient and reliable.
3. The utility model discloses a bolt is as deflection adjustment mechanism, convenient operation.
4. The utility model discloses a fixed sample fixture of anchor clamps mechanism makes things convenient for getting of sample fixture to put, improves efficiency of software testing.
5. The utility model discloses anchor clamps mechanism is equipped with the anchor clamps handle, convenient operation.
6. The utility model discloses all be provided with the insulating rod with sample contact department, prevent sample fixture and sample direct contact, lead to the sample damaged, probably further lead to the sample corruption in follow-up salt spray test, experimental inefficacy.
7. the utility model discloses a percentage table shows sheetmetal sample deformation height to acquire the deflection directly perceivedly, can adjust according to the experiment needs in real time.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the sample holding mechanism of the present invention;
fig. 3 is a side view of the sample holding mechanism of the present invention;
Fig. 4 is a bottom view of the sample holding mechanism of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1 and fig. 2, the present embodiment provides a sheet metal stress adjustment device for an automobile, which includes a mounting base 1, a sample clamping mechanism and a deformation amount adjustment mechanism, wherein the sample clamping mechanism is mounted on the mounting base 1, and the deformation amount adjustment mechanism is connected with the sample clamping mechanism. The sample clamping mechanism comprises a sample clamping frame 2 with bending pieces 21 on two sides, the bottom of the sample clamping frame 2 is connected with the deformation adjusting mechanism, and a sample 7 is arranged in the sample clamping frame 2 and changes stress under the action of the bending pieces 21 on the two sides and the deformation adjusting mechanism.
In this embodiment, the contact department of piece 21, the deflection adjustment mechanism of bending and sample 7 all is provided with insulating rod 8, prevents sample fixture and sample direct contact, leads to the sample damaged. The bending piece 21 is provided with a groove 22 for installing the insulating rod 8.
The deformation adjusting mechanism comprises a bolt 3, the top of the bolt 3 is in contact with a sample 7, and the deformation of the sample 7 can be changed by rotating the bolt 3, so that the sample 7 can be tested under different stress conditions. The bottom of the sample holding frame 2 is provided with a bolt hole 23 for passing the bolt 3.
In certain embodiments, the sample holding mechanism is mounted on the mounting base 1 by a clamp mechanism. The fixture mechanism is provided with two clamps which are arranged at two ends of the sample clamping mechanism. In this embodiment, the clamp mechanism includes a clamp body 4 and a pressing plate 5 connected to the clamp body 4. The clamp body 4 may also be provided with a clamp handle 6.
In some embodiments, the apparatus further comprises a dial indicator 9 for measuring the deformed height of the sample 7, the dial indicator 9 being mounted on a mica platform.
When the adjusting device works, the sample 7 is firstly installed in the sample clamping mechanism, then the sample clamping mechanism with the sample 7 is fixed on the installation base 1 through the clamp mechanism, the adjusting bolt 3 changes the deformation of the sample 7, meanwhile, the deformation height is measured through the dial indicator 9, and finally, the sample 7 under the stress condition is tested.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. The stress adjusting device for the metal sheet for the automobile is characterized by comprising an installation base (1), a sample clamping mechanism and a deformation adjusting mechanism, wherein the sample clamping mechanism is installed on the installation base (1), the deformation adjusting mechanism is connected with the sample clamping mechanism, the sample clamping mechanism is connected with the sample clamping mechanism,
The sample clamping mechanism comprises a sample clamping frame (2) with bending pieces (21) at two sides, the bottom of the sample clamping frame (2) is connected with a deformation adjusting mechanism, a sample (7) is arranged in the sample clamping frame (2), and the stress is changed under the action of the bending pieces (21) at two sides and the deformation adjusting mechanism.
2. The stress adjustment device for the metal sheet for the automobile according to claim 1, wherein the insulating rod (8) is provided at the contact part of the bent piece (21) and the deformation amount adjustment mechanism with the sample (7).
3. The stress adjustment device for sheet metal for automobiles according to claim 2, wherein the bending piece (21) is provided with a groove (22) for mounting the insulating rod (8).
4. The sheet metal stress adjustment device for automobiles according to claim 1, wherein the deformation amount adjustment mechanism comprises a bolt (3).
5. The stress adjustment device for sheet metal for automobiles according to claim 4, wherein the sample holding frame (2) is provided at the bottom with a bolt hole (23) for passing through the bolt (3).
6. The device for adjusting stress of a metal sheet for an automobile according to claim 1, wherein the sample holding means is mounted on the mounting base (1) by a clamp means.
7. The apparatus for adjusting stress of a metal sheet for an automobile according to claim 6, wherein two of said clamp mechanisms are provided at both ends of said sample holding mechanism.
8. The sheet metal stress adjustment device for automobiles according to claim 6, wherein the clamp mechanism comprises a clamp body (4) and a pressure plate (5) connected to the clamp body (4).
9. The sheet metal stress adjustment device for automobiles according to claim 8, wherein the clip body (4) is further provided with a clip handle (6).
10. The stress-adjusting device for sheet metal for motor vehicles according to claim 1, further comprising a dial indicator (9) for measuring the deformation height of the sample (7), the dial indicator (9) being mounted on a mica platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822225850.8U CN209784057U (en) | 2018-12-28 | 2018-12-28 | Sheet metal stress adjusting device for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822225850.8U CN209784057U (en) | 2018-12-28 | 2018-12-28 | Sheet metal stress adjusting device for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209784057U true CN209784057U (en) | 2019-12-13 |
Family
ID=68791099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822225850.8U Expired - Fee Related CN209784057U (en) | 2018-12-28 | 2018-12-28 | Sheet metal stress adjusting device for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209784057U (en) |
-
2018
- 2018-12-28 CN CN201822225850.8U patent/CN209784057U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191213 Termination date: 20201228 |