CN204536113U - A kind of wire rupture fixture - Google Patents
A kind of wire rupture fixture Download PDFInfo
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- CN204536113U CN204536113U CN201520291147.0U CN201520291147U CN204536113U CN 204536113 U CN204536113 U CN 204536113U CN 201520291147 U CN201520291147 U CN 201520291147U CN 204536113 U CN204536113 U CN 204536113U
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- handwheel
- wire
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Abstract
The utility model relates to a kind of wire rupture fixture, comprise support, support has the crack communicated with the external world, support is provided with rotating assembly, rotating assembly comprises rotating shaft and handwheel, rotating shaft is through support and protrude from a support part, and the end protruding from the rotating shaft of support is fixedly connected with handwheel; Described support is provided with register pin, and handwheel is provided with the corresponding pilot hole of multiple and described register pin; The rotating shaft being arranged in crack is provided with the threaded hole of steel for being inserted by steel wire; Wherein: described register pin inserts in pilot hole and limits the axially loaded that hand wheel rotating realizes steel wire.Fixture provided by the utility model is two collaborative uses.By designing brand-new structure, reducing greatly steel wire power and shearing force by bending in rupture test, ensure that the reliability of test findings.
Description
Technical field
The utility model relates to rope test technical equipment field, specifically, relates to a kind of wire rupture fixture.
Background technology
Steel wire is the main raw material(s) manufacturing wire rope, the test of various physical index will be carried out to the steel wire that will use before producing, standard No. is the national standard of GB/T 228-2002, name is called that " metal material tensile testing at ambient temperature " just defines the parameters such as the principle of the test method of steel wire, sample and dimensional measurement, testing equipment, testing requirements, performance measurement and test report, is a most important operative norm.
This standard the 10.2nd section regulation, should try one's best and guarantee the effect of the sample of clamping by axial tension.
But, if wire clamp design is improper, steel wire is often subject to shearing force and bending force, then the position of wire rupture is not only by the position of axial tension, but not only by axial tension, but also by the position of shearing force or bending force, the wire rupture intensity data measured so is often less than the axial tension rupture strength of steel wire reality, and the test data that use error is larger and conclusion remove Instructing manufacture, brings loss often to Wire Rope Production producer.
Therefore, how to design a kind of fixture, during wire rupture is tested, steel wire farthest bears pulling force, bears shearing force and bending force hardly, is the problem that those skilled in the art need solution badly.
Utility model content
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, provides a kind of wire rupture fixture.Fixture provided by the utility model is two collaborative uses.By designing brand-new structure, reducing greatly steel wire power and shearing force by bending in rupture test, ensure that the reliability of test findings.
In order to reach above-mentioned purpose, the utility model adopts following technical scheme:
A kind of wire rupture fixture, comprise support, support has the crack communicated with the external world, support is provided with rotating assembly, rotating assembly comprises rotating shaft and handwheel, and rotating shaft is through support and protrude from a support part, and the end protruding from the rotating shaft of support is fixedly connected with handwheel;
Described support is provided with register pin, and handwheel is provided with the corresponding pilot hole of multiple and described register pin;
The rotating shaft being arranged in crack is provided with the threaded hole of steel for being inserted by steel wire;
Wherein: described register pin inserts in pilot hole and limits the axially loaded that hand wheel rotating realizes steel wire.
Preferably, described support comprises the identical side plate of two block structures and one and connects spindle nose, two blocks of side plates respectively with connect spindle nose and be fixedly connected with, the gap between two blocks of side plates is crack.
Preferably, described two blocks of side plates are provided with identical shaft hole, and rotating shaft is installed in shaft hole.
Preferably, described support is provided with dowel hole, and register pin is installed in dowel hole.
Preferably, described dowel hole is between shaft hole and connection spindle nose.
Preferably, described pilot hole is multiple, and pilot hole is circumferentially to being evenly arranged on handwheel.
Preferably, arbitrary center of two adjacent pilot holes is identical with the angle angle that the center of circle of handwheel is formed.
Preferably, described threaded hole of steel is perpendicular to the axis of described rotating shaft.
The beneficial effects of the utility model are: by inserting in threaded hole of steel by steel wire, steel wire strand is looped around after in rotating shaft, friction force then between adjacent wires increases greatly, the two ends of steel wire are inserted in the threaded hole of steel of two fixtures respectively, can guarantee that the sample clamped is only by the effect of axial tension, the wire rupture intensity data recorded is closer to actual value, and the error of generation is less, remove Instructing manufacture by such experimental result, greater loss can not be brought to manufacturer.
Accompanying drawing explanation
Fig. 1 is the three dimensional arrangement schematic diagram of the utility model on testing machine;
Fig. 2 is front elevation of the present utility model;
Fig. 3 is the cut-open view along A-A line in Fig. 2;
Fig. 4 is steel wire, threaded hole of steel coordinates figure with rotating shaft;
Fig. 5 is the three-dimensional structure schematic diagram of the utility model medium-height trestle;
Fig. 6 is the three-dimensional structure schematic diagram of the utility model shaft assembly;
In figure:
1. support, 11. connect spindle nose, 12. side plates, 13. cracks, 14. shaft holes, 15. dowel holes;
2. register pin;
3. rotating assembly, 31. threaded hole of steel, 32. rotating shafts, 33. handwheels, 34. pilot holes;
4. steel wire.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
Embodiment 1: a kind of wire rupture fixture, its structure as shown in figures 2-6, comprise support 1, support 1 has the crack 13 communicated with the external world, support 1 is provided with rotating assembly 3, rotating assembly 3 comprises rotating shaft 32 and handwheel 33, and rotating shaft 32 is through support 1 and protrude from support 1 part, and the end protruding from the rotating shaft 32 of support 1 is fixedly connected with handwheel 33;
Described support 1 is provided with register pin 2, and handwheel 33 is provided with the corresponding pilot hole 34 of multiple and described register pin 2;
The rotating shaft 32 being arranged in crack 13 is provided with the threaded hole of steel 31 for being inserted by steel wire;
Described support 1 comprise the identical side plate of two block structures 12 and one connect spindle nose 11, two blocks of side plates 12 respectively with connect spindle nose 11 and be fixedly connected with, the gap between two blocks of side plates 12 is crack 13.
Described two blocks of side plates 12 are provided with identical shaft hole 14, and rotating shaft 32 is installed in shaft hole 14.
Described support 1 is provided with dowel hole 15, and register pin 2 is installed in dowel hole 15.
Described dowel hole 15 is at shaft hole 14 and connect between spindle nose 11.
Described pilot hole 34 is multiple, and pilot hole 34 is circumferentially to being evenly arranged on handwheel 33.
Arbitrary center of two adjacent pilot holes 34 is identical with the angle angle that the center of circle of handwheel 33 is formed, and can improve positioning accurate accuracy.
Described threaded hole of steel 31 is perpendicular to the axis of described rotating shaft 32.
The use step of this device is as follows:
A. by connecting spindle nose 11, this device is arranged on tension tester.
B. pull up latch 2, at this moment by rotating handwheel 33, whole rotating assembly 3 can rotate in shaft hole 14.
C. 4 one, steel wire to be done experiment is penetrated threaded hole of steel 31, and release one section from the other end of threaded hole of steel 31, this section is not less than 3 times of rotating shaft 32 diameter.
D. hand pulls steel wire 4 and is exposed at part outside threaded hole of steel 31, and another hand rotates handwheel 33, makes the steel wire exposed outside be wrapped in rotating shaft 32 surface tightly, is wound around regularly as far as possible and is no less than three layers, pilot hole 34 and dowel hole 15 are alignd, inserts latch 2.
E. use the same method and another the present embodiment is arranged on tension tester, and the other end of steel wire 4 is wrapped in another rotating shaft 32 surface.
F. Adjustment Tests machine, makes two the present embodiment clamp distance become large, steel wire 4 is straightened, but does not first load.
Install, next step just can do wire rupture and test.
As shown in Figure 1, through the steel wire 4 of threaded hole of steel 31, be wrapped in rotating shaft 32 again, steel wire 4 has a turning at threaded hole of steel 31 oral area, wanting turns steel wire 4 stretchingly will take very large power, and steel wire 4 is a lot of circle at rotating shaft 32 surface wrap again, be not less than three layers, turning site is wrapped in the inside, even if steel wire 4 under tension, also can not stretching for turning; All will produce friction force between each circle and rotating shaft 32 surface or adjacent steel wire, the accumulation through a lot of circle can produce very large friction force, even if the straight section of steel wire 4 is broken in experimentation, the steel wire at winding position can not be pulled or breaks; Leave at steel wire 4 and be wound around this section that position is transitioned into straight section, steel wire 4 leaves through the position tangent with steel wire of internal layer, only be subject to steel wire pulling force, substantially not by shearing force or bending force, can guarantee that the sample clamped is only by the effect of axial tension, meets the regulation of GB GB/T228-2002, the wire rupture intensity data recorded is closer to actual value, the error produced is less, removes Instructing manufacture, can not bring greater loss to manufacturer by such experimental result.
The beneficial effect of the present embodiment: use reliable, steel wire not easily pulls, the steel wire of experimental section is only subject to steel wire pulling force, not by shearing force or bending force, can guarantee that the sample clamped is only by the effect of axial tension, the wire rupture intensity data recorded is closer to actual value, and the error of generation is less, remove Instructing manufacture by such experimental result, greater loss can not be brought to manufacturer.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of embodiment, General Principle as defined herein can when not departing from spirit or scope of the present utility model, realize in other embodiments, the part be not described in detail, for prior art, do not repeat at this.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and feature.
Claims (8)
1. a wire rupture fixture, is characterized in that, comprises support, support has the crack communicated with the external world, and support is provided with rotating assembly, and rotating assembly comprises rotating shaft and handwheel, rotating shaft is through support and protrude from a support part, and the end protruding from the rotating shaft of support is fixedly connected with handwheel;
Described support is provided with register pin, and handwheel is provided with the corresponding pilot hole of multiple and described register pin;
The rotating shaft being arranged in crack is provided with the threaded hole of steel for being inserted by steel wire;
Wherein: described register pin inserts in pilot hole and limits the axially loaded that hand wheel rotating realizes steel wire.
2. wire rupture fixture according to claim 1, is characterized in that, described support comprises the identical side plate of two block structures and one and connects spindle nose, two blocks of side plates respectively with connect spindle nose and be fixedly connected with, the gap between two blocks of side plates is crack.
3. wire rupture fixture according to claim 2, is characterized in that, described two blocks of side plates are provided with identical shaft hole, and rotating shaft is installed in shaft hole.
4. wire rupture fixture according to claim 3, is characterized in that, described support is provided with dowel hole, and register pin is installed in dowel hole.
5. wire rupture fixture according to claim 4, is characterized in that, described dowel hole is at shaft hole and connect between spindle nose.
6. wire rupture fixture according to claim 1, is characterized in that, described pilot hole is multiple, and pilot hole is circumferentially to being evenly arranged on handwheel.
7. wire rupture fixture according to claim 6, is characterized in that, arbitrary center of two adjacent pilot holes is identical with the angle angle that the center of circle of handwheel is formed.
8. wire rupture fixture according to claim 1, is characterized in that, described threaded hole of steel is perpendicular to the axis of described rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520291147.0U CN204536113U (en) | 2015-05-07 | 2015-05-07 | A kind of wire rupture fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520291147.0U CN204536113U (en) | 2015-05-07 | 2015-05-07 | A kind of wire rupture fixture |
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| Publication Number | Publication Date |
|---|---|
| CN204536113U true CN204536113U (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520291147.0U Active CN204536113U (en) | 2015-05-07 | 2015-05-07 | A kind of wire rupture fixture |
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| CN (1) | CN204536113U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158071A (en) * | 2015-08-28 | 2015-12-16 | 宝鸡市恒森电力设备有限责任公司 | Wire rope tensile strength circulation aid |
| CN105699183A (en) * | 2016-03-14 | 2016-06-22 | 镇江市建科工程质量检测中心有限公司 | Safety rope breaking strength detection fixture and tester |
| CN107356473A (en) * | 2017-08-24 | 2017-11-17 | 重庆望江工业有限公司 | A kind of fixing device for detecting breaking force of rope |
| CN109060502A (en) * | 2018-07-21 | 2018-12-21 | 深圳天溯计量检测股份有限公司 | A kind of pull test equipment and its method for carrying out lineoutofservice signal pull test |
| CN111805448A (en) * | 2020-07-01 | 2020-10-23 | 中国水产科学研究院东海水产研究所 | Adjustable drum-shaped clamp for force measurement |
-
2015
- 2015-05-07 CN CN201520291147.0U patent/CN204536113U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158071A (en) * | 2015-08-28 | 2015-12-16 | 宝鸡市恒森电力设备有限责任公司 | Wire rope tensile strength circulation aid |
| CN105699183A (en) * | 2016-03-14 | 2016-06-22 | 镇江市建科工程质量检测中心有限公司 | Safety rope breaking strength detection fixture and tester |
| CN105699183B (en) * | 2016-03-14 | 2018-04-10 | 镇江市建科工程质量检测中心有限公司 | A kind of safety rope ultimate strength detection fixture and testing machine |
| CN107356473A (en) * | 2017-08-24 | 2017-11-17 | 重庆望江工业有限公司 | A kind of fixing device for detecting breaking force of rope |
| CN109060502A (en) * | 2018-07-21 | 2018-12-21 | 深圳天溯计量检测股份有限公司 | A kind of pull test equipment and its method for carrying out lineoutofservice signal pull test |
| CN111805448A (en) * | 2020-07-01 | 2020-10-23 | 中国水产科学研究院东海水产研究所 | Adjustable drum-shaped clamp for force measurement |
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