CN101738346B - Torsion mechanism for testing torsional fatigue of wire - Google Patents
Torsion mechanism for testing torsional fatigue of wire Download PDFInfo
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- CN101738346B CN101738346B CN 201010002155 CN201010002155A CN101738346B CN 101738346 B CN101738346 B CN 101738346B CN 201010002155 CN201010002155 CN 201010002155 CN 201010002155 A CN201010002155 A CN 201010002155A CN 101738346 B CN101738346 B CN 101738346B
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- steel cord
- clamper
- clamp device
- fixed clamp
- torsional fatigue
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Abstract
The invention discloses a torsion mechanism for testing torsional fatigue of wire, which mainly comprises a frame (1), a rotating clamper (2), a fixed clamper (3) and a motor, wherein, the output shaft of the motor is connected with the rotating clamper (2), the rotating clamper (2) and the fixed clamper (3) are installed on the same horizonal line of the frame (1), the axial lines of the two clampers are parallel, and the distance between the two axial lines is adjustable. By adopting the torsion mechanism for testing the torsional fatigue of the wire, the fixed clamper can be moved conveniently, the distance between the rotating clamper and the fixed clamper can be conveniently adjusted according to the diameter of the metal wire, and the adjustment accuracy is high.
Description
Technical field
The present invention relates to a kind of twist mechanism that is used for steel cord testing torsional fatigue.
Background technology
Torsional fatigue is one of important parameter of metal wire rod antifatigue destruction.Present reverse torsion machine has a pair of clamper that is installed on the same axis; Wherein rotating clamper can rotate around the sample axis; Any rotation does not take place in the fixed clamp device, but can axially move freely, and frame is provided with the rule of measuring gauge length between two chucks.When carrying out testing torsional fatigue, straight ground of sample clamping between two clampers, the rotation clamper drive when rotating sample around self axial torsion to sample fracture.This pick-up unit adopts orthoscopic to reverse, and is mainly used in the wire rod of thick specification, until the metal structure form of fracture post analysis section, is not suitable for the testing torsional fatigue of thin dimension wire such as metal monofilament or steel cord.
Summary of the invention
To the deficiency of prior art, the invention provides a kind of twist mechanism that is used for steel cord testing torsional fatigue, fixed clamp device conveniently moving can be adjusted the distance between rotation clamper and the fixed clamp device easily according to gauge or diameter of wire, and the adjustment precision is high.
The present invention has adopted following technical scheme: the twist mechanism that is used for steel cord testing torsional fatigue; It mainly is made up of frame, rotation clamper, fixed clamp device and motor, and said motor output shaft connects with the rotation clamper, and said rotation clamper and fixed clamp device are installed on the same horizontal line of frame; Two clamper parallel axes; Rectification that distance between the two is adjustable becomes, and is provided with axially extending bore and magnetic patch in the said fixed clamp device, and said axially extending bore is used to insert steel cord to be measured; Said magnetic patch is used to adsorb the steel cord to be measured that is inserted; Said steel cord to be measured becomes U-shaped from slew during test, and an end is by rotation clamper clamping, and the other end inserts in the fixed clamp device axially extending bore and adsorbed by magnetic patch.
Said rotation clamper is fixedly mounted on the frame, and said fixed clamp device can slide and adjust the position.Said frame is provided with vernier caliper, and said fixed clamp device is fixed on the vernier measuring jaw of slide calliper rule and can moves with measuring jaw, and rotation clamper axis aligns with the zero graduation line of said vernier caliper.Said fixed clamp device is supported by bearing; Be provided with the axially extending bore line that is used to insert wire rod in the bobbin; Bobbin is made up of locating sleeve, lifting axe, bearing holder (housing, cover), bearing, plug wire axle and magnetic patch, and said lifting axe, magnetic patch, plug wire axle are arranged in locating sleeve successively, and the end thread of said bearing holder (housing, cover) and locating sleeve is connected; Said plug wire axle is supported by bearing, and the plug wire axle is provided with the axially extending bore that is used to insert wire rod.Also be provided with steady line seat on the said frame, said steady line seat is provided with the groove bracket facing to a side of wire rod, and the process groove was by the bracket supplemental support when wire rod reversed.
The present invention has following beneficial effect: fixed clamp device and rotation clamper parallel axes; When the distance between two axial lines requires to change according to gauge or diameter of wire to be measured is different; As long as the vernier measuring jaw of moving cursor slide calliper rule; Move easy to adjustly, and degree of regulation improves greatly, can reach 0.02mm.During test wire rod torsional fatigue test; After metal wire rod sheared predetermined length and process sample by diameter, metal wire rod one end was fixed on the rotation clamper, and the other end is by the clamping of fixed clamp device; Wire rod becomes U-shaped from slew; On metal wire rod, form precharge, sample until sample fracture, can draw the sample fatigue limit around the rotation of self axis.
Description of drawings
Fig. 1 is a structural representation of the present invention
Fig. 2 is a fixed clamp device structural representation of the present invention
Fig. 3 is the steady line holder structure of a present invention synoptic diagram
Embodiment
As shown in Figure 1; The present invention is used for the twist mechanism of steel cord testing torsional fatigue; It mainly is made up of frame 1, rotation clamper 2, fixed clamp device 3 and motor, and motor output shaft connects with rotation clamper 2, and rotation clamper 2 is installed on the frame 1 same horizontal line with fixed clamp device 3; Two clamper parallel axes, the distance between both axis can adjustment changes by gauge or diameter of wire is different.Frame 1 is provided with vernier caliper 4; Fixed clamp device 3 is fixed on the vernier measuring jaw 5 of slide calliper rule 4 and can moves with measuring jaw; Rotation clamper 2 axis align with the zero graduation line of said vernier caliper 4, can adjust the distance between the two clamper axis through moving cursor measuring jaw 5.
As shown in Figure 2; Fixed clamp device 3 is made up of locating sleeve 8, lifting axe 9, bearing holder (housing, cover) 10, bearing 11 and plug wire axle 12; Lifting axe 9, magnetic patch 13, plug wire axle 12 are arranged in locating sleeve 8 successively; Bearing holder (housing, cover) 10 is connected through threaded engagement with the end of locating sleeve 8, and plug wire axle 12 is by bearing 11 supportings, and plug wire axle 12 is provided with the axially extending bore that is used to insert wire rod.
As shown in Figure 3, frame 1 is provided with steady line seat 6 and is used to support wire rod to be measured, and steady line seat 6 is provided with groove bracket 7 facing to a side of wire rod, and the process groove was by the bracket supplemental support when wire rod reversed.
Principle of work of the present invention is following: at first according to the specification of wire rod to be measured, select the sizeable plug wire axle in aperture for use, after pressing predetermined length wire rod to be measured being sheared, with its two ends respectively with fixed clamp device 3 with rotate clamper 2 and carry out clamping and absorption.The parallel axes of fixed clamp device 3 and rotation clamper 2 can the regulating shaft distance through the vernier measuring jaw 5 that moves slide calliper rule 4.After the two ends of monofilament cord are fixed with 180 degree revolutions, be U type state, formed precharge.Fixed clamp device 3 drive tested wire rod around self axis rotation until sample fracture, can draw the sample fatigue limit.
Claims (5)
1. twist mechanism that is used for steel cord testing torsional fatigue; It mainly is made up of frame (1), rotation clamper (2), fixed clamp device (3) and motor, and said motor output shaft connects with rotation clamper (2), and said rotation clamper (2) is installed on the same horizontal line of frame (1) with fixed clamp device (3); It is characterized in that two clamper parallel axes; Distance between both axis can be adjusted change, is provided with axially extending bore and magnetic patch (13) in the said fixed clamp device, and said axially extending bore is used to insert steel cord to be measured; Said magnetic patch (13) is used to adsorb the steel cord to be measured that is inserted; Said steel cord to be measured becomes U-shaped from slew during test, and an end is by rotation clamper clamping, and the other end inserts in the fixed clamp device axially extending bore and adsorbed by magnetic patch (13).
2. a kind of twist mechanism that is used for steel cord testing torsional fatigue as claimed in claim 1 is characterized in that said rotation clamper (2) is fixedly mounted on the frame (1), and said fixed clamp device (3) can slide and adjust the position.
3. a kind of twist mechanism that is used for steel cord testing torsional fatigue as claimed in claim 2; It is characterized in that said frame (1) is provided with vernier caliper (4); Said fixed clamp device (3) is fixed on the vernier measuring jaw (5) of slide calliper rule (4) and can moves with measuring jaw, and rotation clamper (2) axis aligns with the zero graduation line of said vernier caliper (4).
4. like claim 1 or 2 or 3 described a kind of twist mechanisms that are used for steel cord testing torsional fatigue; It is characterized in that said fixed clamp device (3) is made up of locating sleeve (8), lifting axe (9), bearing holder (housing, cover) (10), bearing (11), plug wire axle (12) and said magnetic patch (13); Said lifting axe (9), magnetic patch (13), plug wire axle (12) are arranged in locating sleeve (8) successively; Said bearing holder (housing, cover) (10) is connected with the end thread of locating sleeve (8); Said plug wire axle (12) is by bearing (11) supporting, and plug wire axle (12) is provided with the said axially extending bore that is used to insert the steel cord.
5. a kind of twist mechanism that is used for steel cord testing torsional fatigue as claimed in claim 1; It is characterized in that also being provided with on the said frame steady line seat (6); Said steady line seat (6) is provided with groove bracket (7) facing to a side of steel cord, and the process groove was by the bracket supplemental support when steel cord reversed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010002155 CN101738346B (en) | 2010-01-06 | 2010-01-06 | Torsion mechanism for testing torsional fatigue of wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010002155 CN101738346B (en) | 2010-01-06 | 2010-01-06 | Torsion mechanism for testing torsional fatigue of wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101738346A CN101738346A (en) | 2010-06-16 |
| CN101738346B true CN101738346B (en) | 2012-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010002155 Active CN101738346B (en) | 2010-01-06 | 2010-01-06 | Torsion mechanism for testing torsional fatigue of wire |
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| CN (1) | CN101738346B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102087184A (en) * | 2010-11-29 | 2011-06-08 | 重庆大学 | Steel wire torsion test method |
| CN102914467B (en) * | 2012-09-28 | 2016-04-06 | 深圳市宏之都科技有限公司 | The wire clamp of wire bar bending tester |
| CN108106863B (en) * | 2016-11-25 | 2019-08-09 | 上海中国弹簧制造有限公司 | Bearing spring torsional fatigue of wire test method |
| CN106908337A (en) * | 2017-03-20 | 2017-06-30 | 苏州拓博机械设备有限公司 | A kind of wire twist testing machine |
| CN107238342B (en) * | 2017-07-25 | 2022-12-06 | 江苏亨通光纤科技有限公司 | Optical fiber torsion measuring device and measuring method thereof |
| CN107941630B (en) * | 2017-11-28 | 2024-03-29 | 中车戚墅堰机车车辆工艺研究所股份有限公司 | Test device and method for measuring limit torque |
| CN111474064A (en) * | 2020-03-18 | 2020-07-31 | 江苏亨通海洋光网系统有限公司 | Cable torsion bending tester |
| CN115266434B (en) * | 2022-09-26 | 2022-11-29 | 常州岚玥新材料科技有限公司 | Carbon-carbon composite material anti-fatigue detection equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1587969A (en) * | 2004-09-30 | 2005-03-02 | 东华大学 | Measuring method and device for twisting property of flexible material |
| CN1924520A (en) * | 2006-09-13 | 2007-03-07 | 江苏兴达钢帘线股份有限公司 | Method and device for measuring length of lay for steel cord |
| CN101216399A (en) * | 2008-01-22 | 2008-07-09 | 天津金山电线电缆股份有限公司 | Cable torsion reliability experiment instrument |
| CN201607375U (en) * | 2010-01-06 | 2010-10-13 | 江苏兴达钢帘线股份有限公司 | Twisting mechanism used for wire torsional fatigue test |
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2010
- 2010-01-06 CN CN 201010002155 patent/CN101738346B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1587969A (en) * | 2004-09-30 | 2005-03-02 | 东华大学 | Measuring method and device for twisting property of flexible material |
| CN1924520A (en) * | 2006-09-13 | 2007-03-07 | 江苏兴达钢帘线股份有限公司 | Method and device for measuring length of lay for steel cord |
| CN101216399A (en) * | 2008-01-22 | 2008-07-09 | 天津金山电线电缆股份有限公司 | Cable torsion reliability experiment instrument |
| CN201607375U (en) * | 2010-01-06 | 2010-10-13 | 江苏兴达钢帘线股份有限公司 | Twisting mechanism used for wire torsional fatigue test |
Non-Patent Citations (3)
| Title |
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| JP特开平6-18389A 1994.01.25 |
| JP特开平8-136425A 1996.05.31 |
| 朱永刚等.中华人民共和国国家标准 金属线材扭转试验方法 GB/T 239-1999.《中华人民共和国国家标准 金属线材扭转试验方法 GB/T 239-1999》.2000,第4节. * |
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|---|---|
| CN101738346A (en) | 2010-06-16 |
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