CN203838144U - Shape memory alloy performance testing device - Google Patents
Shape memory alloy performance testing device Download PDFInfo
- Publication number
- CN203838144U CN203838144U CN201420287898.0U CN201420287898U CN203838144U CN 203838144 U CN203838144 U CN 203838144U CN 201420287898 U CN201420287898 U CN 201420287898U CN 203838144 U CN203838144 U CN 203838144U
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- China
- Prior art keywords
- low temperature
- displacement transducer
- test chamber
- temperature test
- marmem
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Abstract
The utility model discloses a shape memory alloy performance testing device which comprises a high-low-temperature testing box (3), a vacuumizing device, a measurement device, an illuminating apparatus (2) and an image acquisition device (1). The measurement device comprises a support (5) for fixing shape memory alloy (4) to be tested, a displacement sensor (8) and a force detecting sensor, a spiral installing sleeve (6) is arranged at the upper end of the support (5), the upper end of the shape memory alloy (4) to be tested is fixed on the spiral installing sleeve (6), the displacement sensor (8) is vertically arranged on one side of the shape memory alloy (4) to be tested, a spoke type tension sensor (9) is fixed at the lower end of the shape memory alloy (4) to be tested. One side of the high-low-temperature testing box (3) is provided with a first transparent window (3.1), and a second transparent window (3.2) is arranged on the other side of the high-low-temperature testing box (3). The shape memory alloy performance testing device is compact in structure and low in cost, the experiment operation is convenient, and experiment results are intuitive.
Description
Technical field
The utility model relates to a kind of Properties of Shape-Memory Alloys proving installation.
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, need to carry out to shape memory alloy material the thermomechanical circuit training of tens of times even thousands of times, 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 complexity of the marmem of prior art, at present temporary ununified method and standard.
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, experimental result be Properties of Shape-Memory Alloys proving installation intuitively.
The technical scheme in the invention for solving the above technical problem is: a kind of Properties of Shape-Memory Alloys proving installation, 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 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, described force cell is radial pulling force sensor, and radial pulling force sensor is fixed on the lower end of marmem to be measured, 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: compact conformation, the cost of this Properties of Shape-Memory Alloys proving installation are low, measurement mechanism is placed in high-low temperature test chamber, and 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 support, displacement transducer and the force cell for fixing marmem to be measured, 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 marmem to be measured.Can utilize high-low temperature test chamber to simulate at various temperature, the performance of marmem, 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.In the time that marmem is elongated, 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 carry out vacuum pumping to high-low temperature test chamber easily.
As preferably, described digital laser displacement transducer is positioned at the side of marmem to be measured away from 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.
Brief description of the drawings
The structural representation of Fig. 1 the utility model Properties of Shape-Memory Alloys proving installation.
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.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is further described.
As shown in Figure 1, a kind of Properties of Shape-Memory Alloys proving installation, 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 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, described force cell is radial pulling force sensor 9, and radial pulling force sensor 9 is fixed on the lower end of marmem 4 to be measured, 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 the side of marmem 4 to be measured away from 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. a Properties of Shape-Memory Alloys proving installation, 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) 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), described force cell is radial pulling force sensor (9), and radial pulling force sensor (9) is fixed on the lower end of marmem to be measured (4), 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. Properties of Shape-Memory Alloys proving installation according to claim 1, is characterized in that: described displacement transducer (8) adopts digital laser displacement transducer.
3. Properties of Shape-Memory Alloys proving installation 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. Properties of Shape-Memory Alloys proving installation according to claim 2, is characterized in that: described digital laser displacement transducer is positioned at the side of marmem to be measured (4) away from image collecting device (1).
5. Properties of Shape-Memory Alloys proving installation 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. Properties of Shape-Memory Alloys proving installation 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 |
|---|---|---|---|
| CN201420287898.0U CN203838144U (en) | 2014-05-29 | 2014-05-29 | Shape memory alloy performance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420287898.0U CN203838144U (en) | 2014-05-29 | 2014-05-29 | Shape memory alloy performance testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203838144U true CN203838144U (en) | 2014-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420287898.0U Expired - Fee Related CN203838144U (en) | 2014-05-29 | 2014-05-29 | Shape memory alloy performance testing device |
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| CN (1) | CN203838144U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442583A (en) * | 2016-09-06 | 2017-02-22 | 南京林业大学 | Two-dimensional shape memory effect evaluation method of concrete pavement calking material |
| CN109001035A (en) * | 2018-07-25 | 2018-12-14 | 大连理工大学 | A kind of low temperature cold drawing device of marmem |
| CN109506583A (en) * | 2018-12-12 | 2019-03-22 | 上海卫星装备研究所 | Flexible structure whole field deformation real-time measurement system |
| TWI655431B (en) * | 2018-02-22 | 2019-04-01 | 潘天賜 | Shape memory alloy wire shrinkage test system |
| CN111830077A (en) * | 2019-04-23 | 2020-10-27 | 北京振兴计量测试研究所 | Measuring device and method for identifying melting point of high-temperature material based on image |
-
2014
- 2014-05-29 CN CN201420287898.0U patent/CN203838144U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442583A (en) * | 2016-09-06 | 2017-02-22 | 南京林业大学 | Two-dimensional shape memory effect evaluation method of concrete pavement calking material |
| TWI655431B (en) * | 2018-02-22 | 2019-04-01 | 潘天賜 | Shape memory alloy wire shrinkage test system |
| CN109001035A (en) * | 2018-07-25 | 2018-12-14 | 大连理工大学 | A kind of low temperature cold drawing device of marmem |
| CN109506583A (en) * | 2018-12-12 | 2019-03-22 | 上海卫星装备研究所 | Flexible structure whole field deformation real-time measurement system |
| CN111830077A (en) * | 2019-04-23 | 2020-10-27 | 北京振兴计量测试研究所 | Measuring device and method for identifying melting point of high-temperature material based on image |
| CN111830077B (en) * | 2019-04-23 | 2024-04-02 | 北京振兴计量测试研究所 | Measuring device and method for identifying melting point of high-temperature material based on image |
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| 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 |