CN203432853U - Device for testing elastic modulus of self-lubricating material - Google Patents
Device for testing elastic modulus of self-lubricating material Download PDFInfo
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- CN203432853U CN203432853U CN201320537443.5U CN201320537443U CN203432853U CN 203432853 U CN203432853 U CN 203432853U CN 201320537443 U CN201320537443 U CN 201320537443U CN 203432853 U CN203432853 U CN 203432853U
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- eddy current
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Abstract
The utility model discloses a device for testing elastic modulus of a self-lubricating material. The device comprises a tester pedestal, a test bed, support columns, lifting rings, a loading head, a tester top cover, a hydraulic cylinder, eddy current displacement sensors, spacers and a cylindrical basal body, wherein the eddy current displacement sensors, the spacers, the cylindrical basal body and sensor supports form a main part for testing; the cylindrical basal body to which the self-lubricating material is attached is clamped between the two spacers to form a laminate structure; displacement changes of upper surfaces of the upper and lower spacers are measured by using the two eddy current sensors respectively; two paths of output of the eddy current sensors are subtracted by using a Labview program, and the result is processed and then input into a computer; according to the device, the deformation of the test bed is removed through a differential algorithm, and meanwhile, the measuring accuracy is improved by using the eddy current displacement sensors.
Description
Technical field
The utility model relates to a kind of for self-lubricating material elastic modulus proving installation.
Background technology
In existing proving installation, be that the cylindrical matrix that posts self-lubricating material liner is placed directly on testing table and is loaded, with clock gauge, measure the distance that loading head moves down.
The major defect of existing apparatus is that testing table itself exists distortion, and the deformation data recording can not be as the experimental data of calculating self-lubricating material elastic modulus; And the precision of clock gauge is not high enough, truncation error is huge to test figure and subsequent calculations error effect.
Utility model content
The defect existing for prior art, it is a kind of for self-lubricating material elastic modulus proving installation that the purpose of this utility model is to provide.Greatly improved test accuracy, it is simple in structure, is easy to manufacture, and reliability is high, practical.
For achieving the above object, the utility model adopts following technical proposals:
A kind of for self-lubricating material elastic modulus proving installation, comprise tester base, testing table, the first pillar, the second pillar, the 3rd pillar, the 4th pillar, loading head, testing machine top cover, the first suspension ring, the second suspension ring, the 3rd suspension ring, the 4th suspension ring, hydraulic cylinder, first sensor bearing, the second sensor support base, the first eddy current displacement sensor, the second eddy current displacement sensor, the first pad, the second pad, cylindrical matrix; Described testing table is fixed on the center of tester base, and described the first pillar, the second pillar, the 3rd pillar, the 4th pillar symmetry are arranged on four jiaos of Shang， tops of tester base the first suspension ring, the second suspension ring, the 3rd suspension ring, the 4th suspension ring are installed respectively; Described testing machine top cover is fixed on the upper end of four pillars, and described hydraulic cylinder is arranged on testing machine top cover top, and the output shaft of hydraulic cylinder connects loading head, the controlled loading head imposed load that moves up and down; First sensor bearing, the second sensor support base adopt permanent magnetic suck to be separately fixed on the first pillar, the second pillar; First sensor bearing connects the first eddy current displacement sensor, the second sensor support base connects the second eddy current displacement sensor; The second pad is positioned on testing table, in the middle of the first pad, the second pad, places the cylindrical matrix that posts self-lubricating material.
Above-mentioned eddy current displacement sensor, pad, cylindrical matrix and sensor support base form the major part of test, the cylindrical matrix that posts self-lubricating material is clipped between two pads, form rhythmo structure, described electric vortex displacement sensor probe is respectively near the upper surface of upper and lower two pads, and the output of this current vortex sensor is connected to a computing machine through a data collecting card.
The utility model compared with prior art, has following apparent substantive distinguishing features and progress:
The utility model adopts Labview program to carry out data processing, by collect two groups of data carry out Difference Calculation, removed the distortion of testing table, improved the accuracy of experimental data; Adopt eddy current displacement sensor simultaneously, greatly improved measuring accuracy, it is simple in structure, is easy to manufacture, and reliability is high, practical.
Accompanying drawing explanation
Fig. 1 is the whole front elevation of the utility model.
Fig. 2 is the whole rear view of the utility model.
Fig. 3 is the utility model partial enlarged drawing.
Embodiment
Below in conjunction with accompanying drawing, specific embodiment of the utility model is further described.
As shown in Figure 1 to Figure 3, a kind of for self-lubricating material elastic modulus proving installation, comprise tester base 1, testing table 2, the first pillar 3, the second pillar 4, the 3rd pillar 5, the 4th pillar 6, loading head 7, testing machine top cover 8, the first suspension ring 9, the second suspension ring 10, the 3rd suspension ring 11, the 4th suspension ring 12, hydraulic cylinder 13, first sensor bearing 14, the second sensor support base 15, the first eddy current displacement sensor 16, the second eddy current displacement sensor 17, the first pad 18, the second pad 19, cylindrical matrix 20; Described testing table 2 is fixed on the center of tester base 1, described the first pillar 3, the second pillar 4, the 3rd pillar 5, the 4th pillar 6 symmetries are arranged on four jiaos of Shang， tops of tester base 1 the first suspension ring 9, the second suspension ring 10, the 3rd suspension ring 11, the 4th suspension ring 12 are installed respectively; Described testing machine top cover 8 is fixed on the upper end of four pillars, and described hydraulic cylinder 13 is arranged on testing machine top cover 8 tops, and the output shaft of hydraulic cylinder 13 connects loading head 7, controlled loading head 7 imposed load that moves up and down; First sensor bearing 14, the second sensor support base 15 adopt permanent magnetic suck to be separately fixed on the first pillar 3, the second pillar 4; First sensor bearing 14 connects the first eddy current displacement sensor 16, the second sensor support base 15 connects the second eddy current displacement sensor 17; The second pad 19 is positioned on testing table 2, in the middle of the first pad 18, the second pad 19, places the cylindrical matrix 20 that posts self-lubricating material.
The using method of this device is as follows:
The second pad 19 is placed on testing table 2, notes keeping both concentric;
The cylindrical matrix 20 that posts self-lubricating material liner is placed on the second pad 19, then the first pad 18 is placed on cylindrical matrix 20 and forms rhythmo structure, three parts of rhythmo structure will keep concentric;
Adjust sensing station, make the probe of the first eddy current displacement sensor 16, the second eddy current displacement sensor 17 be placed in respectively the upper surface of the first pad 18, the second pad 19, note keeping sensor probe vertical with pad upper surface;
Adjust loading head 7 and load respective loads to the first pad 18 upper surfaces, by the imposed load that moves up and down of controlled loading head 7, the cylindrical matrix 20 that posts self-lubricating material deforms, with the first eddy current displacement sensor 16, the second eddy current displacement sensor 17, record respectively displacement variable, by calculating the elastic modulus that can obtain self-lubricating material.
The current vortex sensor that the present embodiment adopts provides for Jiangsu Lianneng Electronic Technology Co., Ltd., and model is CWY-DO-501.
Claims (1)
1. one kind for self-lubricating material elastic modulus proving installation, it is characterized in that: comprise tester base (1), testing table (2), the first pillar (3), the second pillar (4), the 3rd pillar (5), the 4th pillar (6), loading head (7), testing machine top cover (8), the first suspension ring (9), the second suspension ring (10), the 3rd suspension ring (11), the 4th suspension ring (12), hydraulic cylinder (13), first sensor bearing (14), the second sensor support base (15), the first eddy current displacement sensor (16), the second eddy current displacement sensor (17), the first pad (18), the second pad (19), cylindrical matrix (20), described testing table (2) is fixed on the center of tester base (1), described the first pillar (3), the second pillar (4), the 3rd pillar (5), the 4th pillar (6) symmetry are arranged on four jiaos of Shang， tops of tester base (1) the first suspension ring (9), the second suspension ring (10), the 3rd suspension ring (11), the 4th suspension ring (12) are installed respectively, described testing machine top cover (8) is fixed on the upper end of four pillars, and described hydraulic cylinder (13) is arranged on testing machine top cover (8) top, and the output shaft of hydraulic cylinder (13) connects loading head (7), controlled loading head (7) imposed load that moves up and down, first sensor bearing (14), the second sensor support base (15) adopt permanent magnetic suck to be separately fixed on the first pillar (3), the second pillar (4), first sensor bearing (14) connects the first eddy current displacement sensor (16), the second sensor support base (15) connects the second eddy current displacement sensor (17), it is upper that the second pad (19) is positioned over testing table (2), places the cylindrical matrix (20) that posts self-lubricating material in the middle of the first pad (18), the second pad (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320537443.5U CN203432853U (en) | 2013-08-30 | 2013-08-30 | Device for testing elastic modulus of self-lubricating material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320537443.5U CN203432853U (en) | 2013-08-30 | 2013-08-30 | Device for testing elastic modulus of self-lubricating material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203432853U true CN203432853U (en) | 2014-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320537443.5U Expired - Fee Related CN203432853U (en) | 2013-08-30 | 2013-08-30 | Device for testing elastic modulus of self-lubricating material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203432853U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109100231A (en) * | 2018-07-19 | 2018-12-28 | 芜湖籁余新能源科技有限公司 | Heat-insulated concrete of kervit micro-beads elastomeric check equipment after a kind of high temperature action |
| CN114371067A (en) * | 2022-01-13 | 2022-04-19 | 安徽理工大学 | Dynamic and static mechanics comprehensive test bed |
-
2013
- 2013-08-30 CN CN201320537443.5U patent/CN203432853U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109100231A (en) * | 2018-07-19 | 2018-12-28 | 芜湖籁余新能源科技有限公司 | Heat-insulated concrete of kervit micro-beads elastomeric check equipment after a kind of high temperature action |
| CN114371067A (en) * | 2022-01-13 | 2022-04-19 | 安徽理工大学 | Dynamic and static mechanics comprehensive test bed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20140830 |
|
| EXPY | Termination of patent right or utility model |