CN201707256U - Sample vertical centering clamp for tensile testing machine - Google Patents
Sample vertical centering clamp for tensile testing machine Download PDFInfo
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- CN201707256U CN201707256U CN2010202094960U CN201020209496U CN201707256U CN 201707256 U CN201707256 U CN 201707256U CN 2010202094960 U CN2010202094960 U CN 2010202094960U CN 201020209496 U CN201020209496 U CN 201020209496U CN 201707256 U CN201707256 U CN 201707256U
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Abstract
The utility model relates to a sample vertical centering clamp for a tensile testing machine, comprising an upper clamp head (1) and a lower clamp head (2) which are oppositely arranged, wherein the upper clamp head (1) comprises an upper left clamp mouth and an upper right clamp mouth for clamping samples, and the lower clamp head (2) comprises a lower left clamp mouth and a lower right clamp mouth for clamping samples; the sample vertical centering clamp for the tensile testing machine further comprises two positioning devices (3) which are respectively arranged at the bottom of the upper left clamp mouth and the top of the lower left clamp mouth; each positioning device (3) comprises a mounting arm and a positioning arm, and the mounting arm and the positioning arm form an L shape; and the mounting arm is connected with the clamp mouths, and the positioning arm is suspended between the left and the right clamp mouths and positioned in the front of the sample putting direction. The sample vertical centering clamp for the tensile testing machine can effectively control the vertical centering of samples and guarantee that the samples are positioned at the middle position of the clamp, thereby reducing the influence of man-made factors on tensile test results and improving the accuracy of the test results.
Description
Technical field
Anchor clamps on the utility model cupping machine, particularly cupping machine.
Background technology
Tension test is the fundamental test of test metal material physical property, is iron and steel enterprise's scientific research, produces requisite pilot project, all has every day a large amount of tension tests to carry out.
In traditional tension test process, all test is clamped in the tension test machine clamp, and clamping process is had relatively high expectations to laboratory technician's operant level, in order to keep sample vertical centering in anchor clamps, even need to repeat clamping several times, waste time and energy by testing crew.If sample out of plumb centering, the deviation of stretch test result is bigger, especially to the having the greatest impact of yield strength result, has a strong impact on stringency of test, can't correctly reflect the physical property of metal material itself.
The utility model content
Technical problem to be solved in the utility model is: a kind of cupping machine sample vertical centering anchor clamps are provided, it can effectively control the vertical centering of sample, and guarantee that sample is positioned at the anchor clamps centre position, reduce the influence of human factor, improve the test findings degree of accuracy stretch test result.
The utility model solves the problems of the technologies described above the technical scheme that is adopted:
Cupping machine sample vertical centering anchor clamps, it comprises relative upper grip and lower chuck, and upper grip comprises last left jaw and the last right jaw that is used for the clamping sample, and lower chuck comprises bottom left jaw and the bottom right jaw that is used for the clamping sample; It also comprises two locating devices, and two locating devices are separately positioned on the bottom of left jaw and the top of bottom left jaw; Locating device comprises hold-down arm and registration arm, and hold-down arm and registration arm are formed " L " shape, and hold-down arm is connected with jaw, and registration arm is suspended between the left and right jaw and is positioned at the place ahead that sample is put into direction.
In the such scheme, hold-down arm is connected with jaw by screw rod, has the bar shaped mounting hole that is parallel to hold-down arm on the hold-down arm, and screw rod passes mounting hole hold-down arm is fixed on the jaw.
In the such scheme, registration arm is provided with stage clip and is used for the push rod of sample location, has the hole on the registration arm, and push rod passes the hole, and the external diameter at push rod two ends is greater than the aperture in hole, and compression spring sleeve is contained on the push rod, and stage clip is pressed between the sample contact jaw of registration arm and push rod.
Principle of work of the present utility model is: the position of adjusting hold-down arm before using earlier, sample is placed anchor clamps, the front end of sample placement direction is withstood on the hold-down arm, clamp upper and lower chuck, because the correct position of hold-down arm, can guarantee the central lines of the center line and the anchor clamps of sample, can effectively control the vertical centering of sample, guarantee that sample is positioned at the anchor clamps centre position, and deflection does not take place, reduce the influence of human factor, improve the test findings degree of accuracy stretch test result.In addition, because simple to operate, work efficiency is greatly enhanced.
Of the present utility model being also advantageous in that:
1, hold-down arm is connected with jaw by screw rod, has mounting hole on the hold-down arm, can adjust the relative position of locating device and jaw easily, adapts to the sample with different size.
2, in the drawing process, the sample head easily deforms, so registration arm is provided with stage clip and is used for the push rod of sample location, and push rod is produced lateral pressure, and push rod can shrink under spring action automatically, can not destroy locating device.
Description of drawings
The structural representation of Fig. 1,2 the utility model embodiment
Fig. 3 is the structural representation of locating device
Among the figure: 1-upper grip, 2-lower chuck, 3-locating device, 4-mounting hole, 5-screw rod, 6-push rod, 7-stage clip, 8-hole, 9-sample.
Embodiment
The utility model will be further described below in conjunction with drawings and Examples:
The utility model cupping machine sample vertical centering anchor clamps embodiment as shown in Figure 1, 2, it comprises relative upper grip 1 and lower chuck 2, upper grip 1 comprises last left jaw and the last right jaw that is used for clamping sample 9, and lower chuck 2 comprises bottom left jaw and the bottom right jaw that is used for the clamping sample; It comprises that also two locating devices, 3, two locating devices 3 are separately positioned on the bottom of left jaw and the top of bottom left jaw.
As shown in Figure 2, locating device 3 comprises hold-down arm and registration arm, and hold-down arm and registration arm are formed " L " shape, and hold-down arm is connected with jaw, and registration arm is suspended between the left and right jaw and is positioned at the place ahead that sample is put into direction.
Hold-down arm is connected with jaw by screw rod 5, has the bar shaped mounting hole 4 that is parallel to hold-down arm on the hold-down arm, and screw rod 5 passes mounting hole 4 hold-down arm is fixed on the jaw.
Registration arm is provided with stage clip 7 and is used for the push rod 6 of sample location, has hole 8 on the registration arm, and push rod 6 passes hole 8, and the external diameter at push rod 6 two ends is greater than the aperture in hole 8, and stage clip 7 is sleeved on the push rod 6, and stage clip 7 is pressed between the sample contact jaw of registration arm and push rod 6.
The using method of present embodiment is:
1, lower chuck is all installed locating device on cupping machine.
2, according to the width adjusting locating device of tensile sample head, test head was in the jaw middle part just when tension test was installed.
When 3, clamping tension test, sample is all leaned against on the push rod of vertical centering device at two ends up and down, sample gets final product vertical centering.
4, in the drawing process, if the sample head deforms, push rod is produced lateral pressure, push rod can shrink under spring action, can not destroy the precision of locating device.
5, tension test is finished, and takes off sample.
Claims (3)
1. cupping machine sample vertical centering anchor clamps, it comprises relative upper grip (1) and lower chuck (2), and upper grip (1) comprises last left jaw and the last right jaw that is used for the clamping sample, and lower chuck (2) comprises bottom left jaw and the bottom right jaw that is used for the clamping sample; It is characterized in that: it also comprises two locating devices (3), and two locating devices (3) are separately positioned on the bottom of left jaw and the top of bottom left jaw; Locating device (3) comprises hold-down arm and registration arm, and hold-down arm and registration arm are formed " L " shape, and hold-down arm is connected with jaw, and registration arm is suspended between the left and right jaw and is positioned at the place ahead that sample is put into direction.
2. cupping machine sample vertical centering anchor clamps as claimed in claim 1, it is characterized in that: hold-down arm is connected with jaw by screw rod (5), have the bar shaped mounting hole (4) that is parallel to hold-down arm on the hold-down arm, screw rod (5) passes mounting hole (4) hold-down arm is fixed on the jaw.
3. cupping machine sample vertical centering anchor clamps as claimed in claim 1 or 2, it is characterized in that: registration arm is provided with stage clip (7) and is used for the push rod (6) of sample location, have hole (8) on the registration arm, push rod (6) passes hole (8), the external diameter at push rod (6) two ends is greater than the aperture of hole (8), stage clip (7) is sleeved on the push rod (6), and stage clip (7) is pressed between the sample contact jaw of registration arm and push rod (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202094960U CN201707256U (en) | 2010-05-31 | 2010-05-31 | Sample vertical centering clamp for tensile testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202094960U CN201707256U (en) | 2010-05-31 | 2010-05-31 | Sample vertical centering clamp for tensile testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201707256U true CN201707256U (en) | 2011-01-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202094960U Expired - Fee Related CN201707256U (en) | 2010-05-31 | 2010-05-31 | Sample vertical centering clamp for tensile testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201707256U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289950A (en) * | 2015-05-27 | 2017-01-04 | 鞍钢股份有限公司 | High-speed stretching centering device and method |
| CN106289982A (en) * | 2016-10-27 | 2017-01-04 | 长春机械科学研究院有限公司 | A kind of stretching mechanical property testing device |
| CN106442120A (en) * | 2016-12-02 | 2017-02-22 | 西南交通大学 | Fatigue test clamp device for T-shaped corner joint |
| CN108362555A (en) * | 2018-01-15 | 2018-08-03 | 南京航空航天大学 | A kind of material axial fatigue adjustable centering test fixture and its load distribution method |
| CN108489806A (en) * | 2018-04-11 | 2018-09-04 | 天津大学 | The centering clamping device in situ and method of tensile fatigue test machine plane plate specimen |
| CN111272542A (en) * | 2020-04-06 | 2020-06-12 | 中国飞机强度研究所 | Composite material T-shaped joint pull-off test device |
| CN113702180A (en) * | 2021-08-13 | 2021-11-26 | 山东钢铁集团日照有限公司 | Initial accurate accuse position isolated plant of tensile properties test |
| CN114002056A (en) * | 2021-11-10 | 2022-02-01 | 广东粤海珠三角供水有限公司 | Material test connecting device capable of being coaxially adjusted |
| CN114813319A (en) * | 2022-03-14 | 2022-07-29 | 武汉科技大学 | Clamping device for micro plate sample tensile test |
-
2010
- 2010-05-31 CN CN2010202094960U patent/CN201707256U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289950B (en) * | 2015-05-27 | 2023-05-12 | 鞍钢股份有限公司 | High-speed stretching centering device and method |
| CN106289950A (en) * | 2015-05-27 | 2017-01-04 | 鞍钢股份有限公司 | High-speed stretching centering device and method |
| CN106289982A (en) * | 2016-10-27 | 2017-01-04 | 长春机械科学研究院有限公司 | A kind of stretching mechanical property testing device |
| CN106289982B (en) * | 2016-10-27 | 2019-02-15 | 中机试验装备股份有限公司 | A kind of stretching mechanical property testing device |
| CN106442120A (en) * | 2016-12-02 | 2017-02-22 | 西南交通大学 | Fatigue test clamp device for T-shaped corner joint |
| CN108362555A (en) * | 2018-01-15 | 2018-08-03 | 南京航空航天大学 | A kind of material axial fatigue adjustable centering test fixture and its load distribution method |
| CN108362555B (en) * | 2018-01-15 | 2020-07-07 | 南京航空航天大学 | Material axial fatigue adjustable centering test fixture and load distribution method thereof |
| CN108489806A (en) * | 2018-04-11 | 2018-09-04 | 天津大学 | The centering clamping device in situ and method of tensile fatigue test machine plane plate specimen |
| CN108489806B (en) * | 2018-04-11 | 2023-12-05 | 天津大学 | In-situ centering clamping device and method for flat plate sample of tensile fatigue testing machine |
| CN111272542A (en) * | 2020-04-06 | 2020-06-12 | 中国飞机强度研究所 | Composite material T-shaped joint pull-off test device |
| CN113702180A (en) * | 2021-08-13 | 2021-11-26 | 山东钢铁集团日照有限公司 | Initial accurate accuse position isolated plant of tensile properties test |
| CN114002056A (en) * | 2021-11-10 | 2022-02-01 | 广东粤海珠三角供水有限公司 | Material test connecting device capable of being coaxially adjusted |
| CN114002056B (en) * | 2021-11-10 | 2024-04-09 | 广东粤海珠三角供水有限公司 | Coaxially adjustable material test connection device |
| CN114813319A (en) * | 2022-03-14 | 2022-07-29 | 武汉科技大学 | Clamping device for micro plate sample tensile test |
| CN114813319B (en) * | 2022-03-14 | 2024-04-12 | 武汉科技大学 | Clamping device for miniature plate sample tensile test |
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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: 20110112 Termination date: 20160531 |