CN203838087U - Performance testing device for shape memory alloys - Google Patents
Performance testing device for shape memory alloys Download PDFInfo
- Publication number
- CN203838087U CN203838087U CN201420284547.4U CN201420284547U CN203838087U CN 203838087 U CN203838087 U CN 203838087U CN 201420284547 U CN201420284547 U CN 201420284547U CN 203838087 U CN203838087 U CN 203838087U
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- CN
- China
- Prior art keywords
- marmem
- low temperature
- displacement transducer
- test chamber
- temperature test
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Abstract
The utility model discloses a performance testing device for shape memory alloys. The performance testing device comprises a high-low temperature testing box (3), a vacuum-pumping device, and a measuring device, an illuminating device (2) and an image collection device (1) arranged in the high-low temperature testing box (3); a spiral mounting sleeve (6) is arranged at the upper end of a bracket (5); the upper end of a shape memory alloy to be tested (4) is fixed to the spiral mounting sleeve (6); a displacement sensor (8) is vertically arranged on one side of the shape memory alloy to be tested (4); the upper end of a spring is connected with the lower end of the shape memory alloy to be tested (4); a spoke type tension sensor (9) is fixed to the lower end of the spring (10); an infrared locator (11) is mounted on the bracket; one side of the high-low temperature testing box (3) is provided with a first transparent window (3.1) while the other side of the high-low temperature testing box (3) is provided with a second transparent window (3.2). The device is compact in structure, low in cost, convenience in experimental operation and being intuitive and visible in phenomenon.
Description
Technical field
The utility model relates to a kind of performance testing device for marmem.
Background technology
Marmem has superior SME, and intensity is high, and plasticity is large, good corrosion resistance, there is excellent biocompatibility, in Aero-Space, medical apparatus, automobile engineering, controls automatically, and the fields such as instrument and meter and robot are widely used.SME refers to the effigurate solid material of tool, carries out after the plastic yield of certain limit at a certain temperature, and when being heated in a certain temperature, material returns to the original shape before distortion.Utilizing before marmem does driver, the thermomechanical circuit training of tens of times even thousands of times need to be carried out to shape memory alloy material, to improve the memory stability of shape memory alloy material.And because different shape memory alloy wire material performance parameters is all different, need to carry out Specifeca tion speeification test to the certain material using, and choose guidance is provided for industrial candidate materials.But problem is, the method for testing of the marmem of prior art is complicated, there is no temporarily unified method and standard at present.
Summary of the invention
Technical problem to be solved in the utility model is: provide a kind of compact conformation, cost low, convenient experimental operation, the visible performance testing device for marmem of visual phenomenon.
The technical scheme in the invention for solving the above technical problem is: a kind of performance testing device for marmem, comprise high-low temperature test chamber, vacuum extractor, be placed in the measurement mechanism in high-low temperature test chamber, be placed in the lighting device and the image collecting device that is placed in high-low temperature test chamber opposite side of high-low temperature test chamber one side, described measurement mechanism comprises the support for fixing marmem to be measured, displacement transducer, spring and force cell, the upper end of described support is provided with spiral installation sleeve, the upper end of described marmem to be measured is fixed on described spiral installation sleeve, described displacement transducer adopts non-contact displacement transducer, displacement transducer is vertically arranged at a side of described marmem to be measured, and displacement transducer is fixed on support, the upper end of described spring is connected in the lower end of described marmem to be measured, described force cell is radial pulling force sensor, and radial pulling force sensor is fixed on the lower end of spring, a side away from image collecting device on described support is also provided with infrared locator, one side of described high-low temperature test chamber is provided with the first transparent window for matching with lighting device, and the opposite side of described high-low temperature test chamber is provided with the second transparent window for matching with image collecting device.
Compared with prior art, the utility model has the advantage of: this compact conformation, cost for the performance testing device of marmem is low, measurement mechanism is placed in high-low temperature test chamber, high-low temperature test chamber one side is provided with lighting device, and high-low temperature test chamber opposite side is provided with image collecting device.Measurement mechanism comprises the support for fixing marmem to be measured, displacement transducer and force cell, the upper end of support is provided with spiral installation sleeve, the upper end of marmem to be measured is fixed on spiral installation sleeve, displacement transducer adopts non-contact displacement transducer, displacement transducer is vertically arranged at a side of marmem to be measured, and displacement transducer is fixed on support, force cell is radial pulling force sensor, and radial pulling force sensor is fixed on the lower end of spring, pulling force in the time of can surveying marmem and recover under spring force effect, and on support, away from a side of image collecting device, infrared locator being also installed can be image collecting device and makes demarcation, reference standard again, more directly perceived.Can utilize high-low temperature test chamber to simulate the performance of marmem at various temperature, vacuum extractor can be simulated the state of marmem under vacuum environment.And radial pulling force sensor both can be used as power sensor and had tested pulling force, can be used as again counterweight and come to marmem reinforcing to be measured, dual-use material, very easy to use.Spiral installation sleeve can arbitrarily be adjusted the length of marmem to be measured, regulates very convenient.When marmem is elongated or recover, non-contact displacement transducer can record the deformation of shape memory, and lighting device and image collecting device are used in conjunction with, can obtain the image that marmem is elongated, the result of test can be industrial candidate materials and chooses guidance is provided.
As preferably, described displacement transducer adopts digital laser displacement transducer.Like this, adopt contactless digital laser displacement transducer, can record easily the deformation that marmem to be measured occurs.
As preferably, described vacuum extractor is connected in the bottom of described high-low temperature test chamber.Like this, can to high-low temperature test chamber, carry out vacuum pumping easily.
As preferably, described digital laser displacement transducer is positioned at marmem to be measured away from a side of image collecting device.Like this, can prevent to interfere.
As preferably, the bottom of described high-low temperature test chamber is provided with horizontal adjustment bolt.Like this, can the outside horizontal positioned state that regulates high-low temperature test chamber, regulate very convenient.
As preferably, described image collecting device comprises camera head and image processing apparatus.
Accompanying drawing explanation
Fig. 1 is that the utility model is for the structural representation of the performance testing device of marmem.
In Fig. 1: 1 image collecting device, 2 lighting devices, 3 high-low temperature test chambers, 4 marmems to be measured, 5 supports, 6 spiral installation sleeves, 7 horizontal adjustment bolt, 8 displacement transducers, 9 radial pulling force sensors, 10 springs, 11 infrared locators.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is further described.
As shown in Figure 1, a kind of performance testing device for marmem, comprise high-low temperature test chamber 3, vacuum extractor, be placed in the measurement mechanism of high-low temperature test chamber interior 3, be placed in the lighting device 2 and the image collecting device 1 that is placed in high-low temperature test chamber 3 opposite sides of high-low temperature test chamber 3 one sides, described measurement mechanism comprises the support 5 for fixing marmem 4 to be measured, displacement transducer 8, spring 10 and force cell, the upper end of described support 5 is provided with spiral installation sleeve 6, the upper end of described marmem to be measured 4 is fixed on described spiral installation sleeve 6, described displacement transducer 8 adopts non-contact displacement transducer 8, displacement transducer 8 is vertically arranged at a side of described marmem to be measured 4, and displacement transducer 8 is fixed on support 5, the upper end of described spring is connected in the lower end of described marmem to be measured 4, described force cell is radial pulling force sensor 9, and radial pulling force sensor 9 is fixed on the lower end of spring 10, a side away from image collecting device 1 on described support is also provided with infrared locator 11, one side of described high-low temperature test chamber 3 is provided with the first transparent window 3.1 for matching with lighting device 2, and the opposite side of described high-low temperature test chamber 3 is provided with the second transparent window 3.2 for matching with image collecting device 1.
Described displacement transducer 8 adopts digital laser displacement transducer.
Described vacuum extractor is connected in the bottom of described high-low temperature test chamber 3.
Described digital laser displacement transducer is positioned at marmem 4 to be measured away from a side of image collecting device 1.
The bottom of described high-low temperature test chamber 3 is provided with horizontal adjustment bolt 7.
Described image collecting device 1 comprises camera head and image processing apparatus.
Claims (6)
1. the performance testing device for marmem, it is characterized in that: comprise high-low temperature test chamber (3), vacuum extractor, be placed in the measurement mechanism of (3) in high-low temperature test chamber, be placed in the lighting device (2) of high-low temperature test chamber (3) one sides and be placed in the image collecting device (1) of high-low temperature test chamber (3) opposite side, described measurement mechanism comprises the support (5) for fixing marmem to be measured (4), displacement transducer (8), spring (10) and force cell, the upper end of described support (5) is provided with spiral installation sleeve (6), the upper end of described marmem to be measured (4) is fixed on described spiral installation sleeve (6), described displacement transducer (8) adopts non-contact displacement transducer (8), displacement transducer (8) is vertically arranged at a side of described marmem to be measured (4), and displacement transducer (8) is fixed on support (5), the upper end of described spring is connected in the lower end of described marmem to be measured (4), described force cell is radial pulling force sensor (9), and radial pulling force sensor (9) is fixed on the lower end of spring (10), a side away from image collecting device (1) on described support is also provided with infrared locator (11), one side of described high-low temperature test chamber (3) is provided with the first transparent window (3.1) for matching with lighting device (2), and the opposite side of described high-low temperature test chamber (3) is provided with the second transparent window (3.2) for matching with image collecting device (1).
2. the performance testing device for marmem according to claim 1, is characterized in that: described displacement transducer (8) adopts digital laser displacement transducer.
3. the performance testing device for marmem according to claim 1, is characterized in that: described vacuum extractor is connected in the bottom of described high-low temperature test chamber (3).
4. the performance testing device for marmem according to claim 2, is characterized in that: described digital laser displacement transducer is positioned at marmem to be measured (4) away from a side of image collecting device (1).
5. the performance testing device for marmem according to claim 1, is characterized in that: the bottom of described high-low temperature test chamber (3) is provided with horizontal adjustment bolt (7).
6. the performance testing device for marmem according to claim 1, is characterized in that: described image collecting device (1) comprises camera head and image processing apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420284547.4U CN203838087U (en) | 2014-05-29 | 2014-05-29 | Performance testing device for shape memory alloys |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420284547.4U CN203838087U (en) | 2014-05-29 | 2014-05-29 | Performance testing device for shape memory alloys |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203838087U true CN203838087U (en) | 2014-09-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420284547.4U Expired - Fee Related CN203838087U (en) | 2014-05-29 | 2014-05-29 | Performance testing device for shape memory alloys |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203838087U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105606031A (en) * | 2016-01-17 | 2016-05-25 | 北京工业大学 | Micro displacement testing system |
| CN105738019A (en) * | 2016-04-27 | 2016-07-06 | 山东大学 | Measuring device and measuring method for measuring heating restoring force of memory alloy spring |
| CN108088867A (en) * | 2017-12-01 | 2018-05-29 | 广东工业大学 | A kind of test device and method of surface micro-structure shape-memory properties |
| CN112326223A (en) * | 2020-10-29 | 2021-02-05 | 清华大学 | Contact characteristic analysis system for high-pressure gas sealing |
-
2014
- 2014-05-29 CN CN201420284547.4U patent/CN203838087U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105606031A (en) * | 2016-01-17 | 2016-05-25 | 北京工业大学 | Micro displacement testing system |
| CN105606031B (en) * | 2016-01-17 | 2018-04-03 | 北京工业大学 | micro-displacement test system |
| CN105738019A (en) * | 2016-04-27 | 2016-07-06 | 山东大学 | Measuring device and measuring method for measuring heating restoring force of memory alloy spring |
| CN108088867A (en) * | 2017-12-01 | 2018-05-29 | 广东工业大学 | A kind of test device and method of surface micro-structure shape-memory properties |
| CN112326223A (en) * | 2020-10-29 | 2021-02-05 | 清华大学 | Contact characteristic analysis system for high-pressure gas sealing |
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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: 20140917 Termination date: 20150529 |
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| EXPY | Termination of patent right or utility model |