CN202057290U - Deformation measuring device used for high-temperature tensile test of no-boss metal materials - Google Patents
Deformation measuring device used for high-temperature tensile test of no-boss metal materials Download PDFInfo
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- CN202057290U CN202057290U CN2011200870336U CN201120087033U CN202057290U CN 202057290 U CN202057290 U CN 202057290U CN 2011200870336 U CN2011200870336 U CN 2011200870336U CN 201120087033 U CN201120087033 U CN 201120087033U CN 202057290 U CN202057290 U CN 202057290U
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- high temperature
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Abstract
The utility model relates to a deformation measuring device used for the high-temperature tensile test of no-boss metal materials. The device comprises a spring, and upper scissor-like device, a lower scissor-like device, an upper clamp, a lower clamp, an extension rod, a deformation sensor, and a high-temperature furnace, wherein the upper clamp and the lower clamp are arranged in the high-temperature furnace, the upper part of the upper clamp is provided with the upper scissor-like device, the lower part of the upper clamp and the extension rod are fixed together, the upper part of the lower clamp is provided with the lower scissor-like device, the lower part of the lower clamp and the extension rod are fixed together, the top ends of the upper scissor-like device and the lower scissor-like device are connected by the spring and extend out of the upper port of the high-temperature furnace, the upper clamp and the lower clamp clamp a sample with force applied by the spring, the lower end of the extension rod extends out of the lower port of the high-temperature furnace, two symmetrical sides of the sample are connected with the deformation sensor so as to form a bilateral measuring system for measuring the deformation value of the sample. Compared with the prior art, the device can measure the deformation value within gauge length in the high-temperature tensile test of not only normal no-boss metal material samples such as wires, rods, pipes, and the like, but also multi-strand special no-boss metal material samples such as steel wire bundles, and the like.
Description
Technical field
The utility model relates to metal material drawing by high temperature Mechanics Performance Testing field, is a kind of when carrying out high temperature tension test at no boss metal material samples such as wire rod, bar, tubing, steel tendons, measures the technique device of its gauge length internal strain amount.
Background technology
At present, both at home and abroad no boss metal material sample (as wire rod, bar, tubing etc.) when carrying out high temperature tension test, is adopted when method is measured the gauge length internal strain comparatively accurately, used device mostly is the side-plug-in extensometer.This kind extensometer can only be realized the monolateral measurement to sample deformation, makes the sample deformation measurement machine malalignment that is put to the test cause the eccentric influence of load bigger, and measuring accuracy is not high enough; Its range is limited, and gauge length is below the 50mm; Owing to mostly be imported product, cost an arm and a leg.In addition, this extensometer mainly is applicable to single sample, for the special no boss metal material sample of multiply formulas such as picture steel strand wires and steel tendon, only can measure the high temperature deformation amount of outer wires, and therefore the deflection of energy measurement sample integral body not is difficult to be suitable for.
Summary of the invention
The purpose of this utility model is to provide a kind of applied range in order to overcome the deficiency that above-mentioned prior art exists, can realize bilateral measurement, be applicable to the deformation measuring device that no boss metal material high temperature tension test is used.
The technical solution of the utility model is:
A kind of no boss metal material high temperature tension test deformation measuring device is characterized in that, comprises spring, last scissor arrangement, following scissor arrangement, last anchor clamps, lower clamp, the bar of extending, deformation-sensor, high temperature furnace, describedly go up anchor clamps, lower clamp all places high temperature furnace, last anchor clamps top is provided with scissor arrangement, the bottom bar of fixedly extending, lower clamp top is provided with down scissor arrangement, the bottom bar of fixedly extending; Described upward scissor arrangement, following scissor arrangement top all connect with spring, and it is suitable for reading to stretch out high temperature furnace, pass through spring-loaded, make anchor clamps, lower clamp clamping sample securely, stretch out from the high temperature furnace end opening the described bar lower end of extending, connect deformation-sensor in sample symmetry both sides, form bilateral measuring system, to measure the deformation values of sample.
Described upward anchor clamps comprise two clamping plate on the relative both sides of clamping sample, and two clamping plate one ends are fixed together, and the other end connects scissor arrangement respectively.
The described scissor arrangement that goes up comprises two scissor hinged pull bars, two pull bar one ends are connected in anchor clamps, the other end interconnects by spring, and two clamping plate that the elastic force of spring makes anchor clamps advance in evenly in sample stretches elongated, the process that attenuates, all the time the firm grip sample.
Described lower clamp comprises two clamping plate on the relative both sides of clamping sample, and two clamping plate one ends are fixed together, and the other end connects scissor arrangement down respectively.
Described scissor arrangement down comprises two scissor hinged pull bars, two pull bar one ends are connected in lower clamp, the other end interconnects by spring, and two clamping plate that the elastic force of spring makes lower clamp advance in evenly in sample stretches elongated, the process that attenuates, all the time the firm grip sample.
The described bar of extending comprises four, and last anchor clamps bottom is fixed two, and the lower clamp bottom is fixed two, and four bar lower ends of extending are arranged on the orienting lug, the parallel axes of the axis and the sample of the bar that guarantees to extend.
Described deformation-sensor is a differential transformer displace, and totally two, symmetry is installed in the sample both sides, each deformation-sensor connects two bars of extending, form a bilateral measuring system,, draw sample high temperature deformation value to measure the relative shift between anchor clamps and lower clamp.
The beneficial effect of the utility model device is: compared with prior art, the utility model device not only can solve as wire rod (as steel wire), bar, common no boss metal material sample such as tubing, deformation measurement problem in the time of can also solving special no boss metal material sample as this multiply formula of steel tendon and carry out high temperature tension test, the temperature range that this device is suitable for is 0～1000 ℃, can measure sample from elastic deformation to the fracture till the overall process deflection, can realize bilateral measurement, avoided the influence of the eccentric tension that monolateral measurement brought, improved measuring accuracy, and expense is cheaply more a lot of than the monolateral extensometer of the side-plug-in of import.The utility model device is complete tested simple root metal material sample such as steel wire with special type multiply formula metal material sample such as steel tendon the relevant mechanical property of each under drawing by high temperature.
Description of drawings
Fig. 1 is the structural representation in the utility model device longitudinal profile;
Fig. 2 is the structural representation in the utility model device other direction longitudinal profile;
Fig. 3 is the planar structure synoptic diagram of the utility model device;
Among the figure: 1-metal material sample, 2-spring, the last scissor arrangement of 3-, scissor arrangement under the 4-, the last anchor clamps of 5-, 6-lower clamp, the 7-bar a that extends, the 8-bar b that extends, the 9-bar c that extends, the 10-bar d that extends, the 11-high temperature furnace, the 12-orienting lug, 13-differential transformer displace a, 14-differential transformer displace b.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
Shown in Fig. 1～3, a kind of no boss metal material high temperature tension test deformation measuring device comprises spring 2, last scissor arrangement 3, following scissor arrangement 4, last anchor clamps 5, lower clamp 6, the bar a7 that extends, bar b8 extends, bar c9 extends, the bar d10 that extends, high temperature furnace 11, orienting lug 12, differential transformer displace a13, differential transformer displace b14.
During use, earlier lower chuck on the metal material sample 1 usefulness cupping machine is clamped, two clamping plate to going up anchor clamps 5 according to the sample marking distance of reserving are fixed to the last gauge length end of sample then, two clamping plate one ends are fixed together, the other end connects scissor arrangement 3 respectively, it is suitable for reading that high temperature furnace 11 is stretched out on the top of two scissor hinged pull bars of last scissor arrangement 3, and interconnect by spring 2, the elastic force of spring makes that two clamping plate are elongated at sample, advance in evenly in the process that attenuates, all the time the firm grip sample.
In like manner, two clamping plate of lower clamp 6 are fixed to the following gauge length end of sample, two clamping plate one ends are fixed together, the other end connects scissor arrangement 4 down respectively, it is suitable for reading that high temperature furnace 11 is stretched out on the top of two scissor hinged pull bars of following scissor arrangement 4, and connect by spring 2, spring force makes that two clamping plate are elongated at sample, advance in evenly in the process that attenuates, all the time the firm grip sample.
Claims (7)
1. a no boss metal material high temperature tension test deformation measuring device is characterized in that, comprises spring, last scissor arrangement, following scissor arrangement, last anchor clamps, lower clamp, the bar of extending, deformation-sensor, high temperature furnace, describedly go up anchor clamps, lower clamp all places high temperature furnace, last anchor clamps top is provided with scissor arrangement, the bottom bar of fixedly extending, lower clamp top is provided with down scissor arrangement, the bottom bar of fixedly extending; Described scissor arrangement, the following scissor arrangement top of going up is all with the spring connection, and it is suitable for reading to stretch out high temperature furnace, by spring-loaded, makes upper and lower anchor clamps clamping sample securely; Stretch out from the high temperature furnace end opening bar lower end of extending, and connects deformation-sensor in sample symmetry both sides.
2. a kind of no boss metal material high temperature tension test deformation measuring device according to claim 1, it is characterized in that, described upward anchor clamps comprise two clamping plate on the relative both sides of clamping sample, and two clamping plate one ends are fixed together, and the other end connects scissor arrangement respectively.
3. a kind of no boss metal material high temperature tension test deformation measuring device according to claim 1 and 2, it is characterized in that, the described scissor arrangement that goes up comprises two scissor hinged pull bars, and two pull bar one ends are connected in anchor clamps, and the other end interconnects by spring.
4. a kind of no boss metal material high temperature tension test deformation measuring device according to claim 1, it is characterized in that, described lower clamp comprises two clamping plate on the relative both sides of clamping sample, and two clamping plate one ends are fixed together, and the other end connects scissor arrangement down respectively.
5. according to claim 1 or 4 described a kind of no boss metal material high temperature tension test deformation measuring devices, it is characterized in that, described scissor arrangement down comprises two scissor hinged pull bars, and two pull bar one ends are connected in lower clamp, and the other end interconnects by spring.
6. a kind of no boss metal material high temperature tension test deformation measuring device according to claim 1, it is characterized in that the described bar of extending comprises four, last anchor clamps bottom is fixed two, the lower clamp bottom is fixed two, and four bar lower ends of extending are arranged on the orienting lug.
7. a kind of no boss metal material high temperature tension test deformation measuring device according to claim 1, it is characterized in that, described deformation-sensor is a differential transformer displace, totally two, symmetry is installed in the sample both sides, each deformation-sensor connects two bars of extending, and forms a bilateral measuring system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200870336U CN202057290U (en) | 2011-03-29 | 2011-03-29 | Deformation measuring device used for high-temperature tensile test of no-boss metal materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200870336U CN202057290U (en) | 2011-03-29 | 2011-03-29 | Deformation measuring device used for high-temperature tensile test of no-boss metal materials |
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| Publication Number | Publication Date |
|---|---|
| CN202057290U true CN202057290U (en) | 2011-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200870336U Expired - Fee Related CN202057290U (en) | 2011-03-29 | 2011-03-29 | Deformation measuring device used for high-temperature tensile test of no-boss metal materials |
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| CN (1) | CN202057290U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721607A (en) * | 2011-03-29 | 2012-10-10 | 同济大学 | A deformation measuring device for a boss-free metal material high-temperature tensile test |
| CN106840849A (en) * | 2017-02-16 | 2017-06-13 | 北京科技大学 | A kind of Metal Materials At High Temperature corrosive environment deformation measuring device |
| CN111854593A (en) * | 2020-06-22 | 2020-10-30 | 同济大学 | Digital sensor based on multistage deformation surmounts early warning |
-
2011
- 2011-03-29 CN CN2011200870336U patent/CN202057290U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721607A (en) * | 2011-03-29 | 2012-10-10 | 同济大学 | A deformation measuring device for a boss-free metal material high-temperature tensile test |
| CN102721607B (en) * | 2011-03-29 | 2014-11-19 | 同济大学 | A deformation measuring device for a boss-free metal material high-temperature tensile test |
| CN106840849A (en) * | 2017-02-16 | 2017-06-13 | 北京科技大学 | A kind of Metal Materials At High Temperature corrosive environment deformation measuring device |
| CN111854593A (en) * | 2020-06-22 | 2020-10-30 | 同济大学 | Digital sensor based on multistage deformation surmounts early warning |
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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: 20111130 Termination date: 20150329 |
|
| EXPY | Termination of patent right or utility model |