CN104198279A - Standard sample connector for stretching - Google Patents
Standard sample connector for stretching Download PDFInfo
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- CN104198279A CN104198279A CN201410468115.3A CN201410468115A CN104198279A CN 104198279 A CN104198279 A CN 104198279A CN 201410468115 A CN201410468115 A CN 201410468115A CN 104198279 A CN104198279 A CN 104198279A
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Abstract
The invention belongs to the field of steelmaking and in particular relates to a standard sample connector for stretching. The standard sample connector comprises a pair of connectors connected to the two ends of a standard sample, wherein the standard sample comprises a stretching section in the middle and connecting sections with outer threads at two ends; each connector comprises a butting section and a clamping section which are connected; each butting section comprises a cylindrical section body and the two end surfaces of the cylindrical section body; one end surface of each cylindrical section body is a butting surface used for connecting the standard sample, and the other end surface of the cylindrical section body is a connecting surface connected with each clamping section; a connecting hole is formed in each butting surface; an inner thread spirally connected with the outer thread on each connecting section in a matched way is arranged on the wall of each connecting hole; the butting sections are integrally or detachably connected with the clamping sections. According to the standard sample connector, the specially-made connectors are spirally connected with the standard sample, the standard sample connected with the connectors is clamped on equipment, and clamps on the equipment are directly clamped on the clamping sections of the connectors, so that the troubles of production of the specific clamps and replacement of the clamps are avoided, and the cost is reduced.
Description
Technical field
The invention belongs to field of steel-making, be specifically related to a kind of stretching standard sample connector.
Background technology
In metal smelt is produced, need service-test machine to stretch under dead weight power to the sample of metal material, compression or bending test, to guarantee the quality of finished product, obtain meeting the steel of national standard, while is for the accuracy of warranty test, testing machine itself also needs regularly to detect (being called Intermediate Checks), verification need to be carried out with the standard sample of buying to national Iron and Steel Research Geueral Inst, because standard sample size and shape is all shaped, and be not suitable for existing a lot of stretchers, existing a lot of stretcher is all to use templin chuck, as WA-300A hydraulic universal testing machine, the length that this instrument and equipment is sample holder end to the requirement of tensile sample is not less than 80cm, but the length of the standard sample bare terminal end of country is only 30cm, and the two ends of standard sample are the section of being threaded, if directly this standard sample is stretched, need the fixture of equipment itself to transform or change, make it be applicable to the standard sample that is spirally connected, but which not only increases cost, and cannot be for the production of the normal test of sample, cause and conflict with pilot production.
Summary of the invention
The object of the invention is provides a kind of connection stretching standard sample connector for solving the problems of the technologies described above.
Above-mentioned technical purpose of the present invention is achieved by the following technical programs:
A kind of stretching standard sample connector, comprise a pair of connector that is connected in standard sample two ends, standard sample comprises the stretch section at middle part and has the linkage section at externally threaded two ends, described connector comprises the Butt Section for the linkage section that is spirally connected that is connected and gripping section for being connected with stretcher, described Butt Section comprises cylindric section of body and section body both ends of the surface, wherein an end face is the interface for connection standard sample, other end is the joint face being connected with described gripping section, on described interface, have the connecting hole that can insert linkage section along the setting of connector length direction, on described connecting hole hole wall, be provided with for on linkage section external thread coordinate the internal thread being spirally connected, described Butt Section is connected with gripping section one or removably connects.
The application adopts special connector and standard sample to be spirally connected, again the standard test-object that connects upper binding head is clamped on equipment, fixture on equipment is directly clipped on the gripping section of connector, thereby the trouble of having avoided production particular jig and having changed fixture has also been saved cost.
As preferably; the link of described gripping section and joint face is provided with the position limitation protection section that is connected in gripping section outer wall and has round table-like outside wall surface; described cast position limitation protection section connects together with described gripping section; described position limitation protection section is towards end face and the gripping section end face of Butt Section, and described position limitation protection section bore is dwindled gradually by the one end towards Butt Section to the other end.
As preferably; the outside wall surface of described position limitation protection section is curved wall; one end and gripping section section face that described curved wall bore reed is less are tangent, and the end face of one end that described curved wall bore is larger overlaps with the handing-over line of section body outside wall surface with the end face of Butt Section towards gripping section one side with the handing-over line of curved wall.
Above-mentioned set-up mode makes between gripping section and Butt Section without sharp-pointed joint angle; between each face, be all excessive connection simultaneously; safer during the manual dismounting of staff, and position limitation protection section also can strengthen the strength of joint of gripping section and Butt Section, thus also guarantee that connector is not fragile.
As preferably, described Butt Section, position limitation protection section and gripping section one are connected.
The applicable class fixture of structure that one connects.
As preferably; described position limitation protection section is connected with gripping section one; described gripping section is removably connected with Butt Section; described gripping section extends to form forward and has externally threaded dismounting linkage section towards one end of Butt Section, is provided with and the female screw of tool of dismantling linkage section and coordinating on the joint face of described Butt Section.
Gripping section is removably connected with Butt Section, thereby the replaceable fixture of connector and plurality of specifications and size that can make of gripping section is adaptive.
Position limitation protection section is also equivalent to thicken the thickness of gripping section and Butt Section link position; thereby also improved the strength of joint between gripping section and Butt Section; not only when stretching, improve tensile strength between the two, when processing, transportation, dismounting, also improved bend resistance intensity between the two simultaneously.
As preferably, described gripping section is removably connected with Butt Section, and described gripping section forms the screw with internal thread towards one end of Butt Section indent, and the joint face projection of described Butt Section is provided with to coordinate with screw has externally threaded dismounting linkage section.
As preferably, described standard sample stretch section diameter is less than described gripping section diameter, and described Butt Section diameter is greater than described gripping section diameter.
Gripping section diameter is less than Butt Section can material saving cost, is also convenient on the fixture of the equipment that is fitted to.
Thereby guarantee that standard sample is first stretched, guarantee reliability and the accuracy of tension test.
As preferably, between the section body outer wall of described Butt Section and interface, by arc guiding angle surface or scarf, be connected, between the aperture of described connecting hole and interface, be provided with arc guiding angle surface or scarf, the intensity that described connector material is is greater than the steel of the intensity of described standard sample.
Above-mentioned set-up mode has avoided too sharp-pointed angle, thus the connector damage that is difficult for colliding with guaranteed, also guaranteed the safety in operating personnel's operation simultaneously, also convenient operation personnel dismounting.
As preferably, described gripping section is cylindric, and gripping section is evenly equipped with the protruding clamping muscle arranging along gripping section length direction with it.
Clamping muscle contributes between fixture and gripping section clamping connection fastening.
As preferably, described Butt Section outside surface is provided with external thread, outside described Butt Section, be also arranged with along Butt Section towards gripping section direction be screwed on Butt Section for fastening the locked sleeve ring of standard sample, on described locked sleeve ring ring inner surface, be provided with the internal thread with the external thread adaptation of Butt Section outside surface, locked sleeve ring closes up and is provided with the spacing ring being buckled on stretch section and linkage section link position towards standard sample one end, described linkage section diameter is greater than stretch section diameter, between stretch section and linkage section by arc excessively section be connected, described spacing ring inside surface and described arc excessively section are adaptive.A locked sleeve ring being screwed onto on the outside surface of Butt Section is set again on the link position of Butt Section and standard sample, thereby on the link position of stretch section and linkage section, further standard sample is buckled solid in butt junction, to guarantee that standard sample and butt junction are connected firmly, in drawing process, can only stretch standard sample and can not make standard sample and the butt junction disengagement of losing hair or feathers.The linkage section of standard sample is screwed in butt junction, linkage section rear end can be consolidated the collar by pleasure again and is further fixed in butt junction, thereby connector and standard sample are carried out to dual fail-safe to be connected, greatly strengthen strength of joint between the two, guarantee the accuracy of sample, prevented again the connector damage that is stretched, improved its serviceable life, also guaranteed the security in process of the test, in case connector and sample are thrown off suddenly in check simultaneously.
Adopt high-intensity steel to make the accurate reliability that connector can warranty test.
In sum, the present invention has following beneficial effect:
1, the application adopts special connector and standard sample to be spirally connected, again the standard test-object that connects upper binding head is clamped on equipment, fixture on equipment is directly clipped on the gripping section of connector, thereby the trouble of having avoided production particular jig and having changed fixture, has also saved cost.
2, the test that adopts the application to carry out, meets standard sample standard value range.
3, the application's connector, simple in structure, and cost is low, installation, convenient disassembly, and handling safety, connector is not fragile.
4, the application's connector and standard sample adopt dual fastening means, and its strength of joint is high, and link position is difficult for collapsing out, and detect more accurate, safety.
Accompanying drawing explanation
Fig. 1 is connector and standard sample structural representation;
Fig. 2 is connector and standard sample syndeton schematic diagram;
Fig. 3 is that embodiment is at structural representation;
Fig. 4 is that embodiment five is with the structural representation of locked sleeve ring.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
This specific embodiment is only explanation of the invention; it is not limitation of the present invention; those skilled in the art can make to the present embodiment the modification that there is no creative contribution as required after reading this instructions, but as long as within the scope of claim of the present invention, are all subject to the protection of Patent Law.
Embodiment mono-:
A kind of stretching standard sample connector, comprise a pair of connector that is connected in standard sample 1 two ends, standard sample comprises the stretch section at middle part and has the linkage section 11 at externally threaded two ends, described connector comprise be connected for the Butt Section 21 of the linkage section 11 that is spirally connected and gripping section 22 for being connected with stretcher, described Butt Section comprises cylindric section of body and section body both ends of the surface, wherein an end face is the interface for connection standard sample, other end is the joint face being connected with described gripping section, gripping section is also cylindric, on described interface, have the connecting hole 23 that can insert linkage section along the setting of connector length direction, on described connecting hole 23 hole walls, be provided with for on linkage section external thread coordinate the internal thread being spirally connected, described Butt Section is connected with gripping section one.
The link of described gripping section and joint face is provided with the position limitation protection section 24 that is connected in gripping section outer wall and has round table-like outside wall surface; described cast position limitation protection section connects together with described gripping section; described position limitation protection section is towards end face and the gripping section end face of Butt Section, and described position limitation protection section bore is dwindled gradually by the one end towards Butt Section to the other end.Described Butt Section, position limitation protection section and gripping section one are connected.
The outside wall surface of described position limitation protection section is curved wall; one end and gripping section section face that described curved wall bore is less are tangent, and the end face of one end that described curved wall bore is larger overlaps with the handing-over line of section body outside wall surface with the end face of Butt Section towards gripping section one side with the handing-over line of curved wall.
Described standard sample stretch section diameter is less than described gripping section diameter, and described Butt Section diameter is greater than described gripping section diameter.
Between the section body outer wall of described Butt Section and interface, by arc guiding angle surface or scarf 3, be connected, between the aperture of described connecting hole and interface, be provided with arc guiding angle surface or scarf 3, each joint face is carried out to lead angle.
The intensity that described connector material is is greater than the steel of the intensity of described standard sample.
Embodiment bis-:
Be in described gripping section different from above-described embodiment is removably connected with Butt Section, described gripping section extends to form forward and has externally threaded dismounting linkage section 25 towards one end of Butt Section, is provided with and the female screw 26 of tool of dismantling linkage section and coordinating on the joint face of described Butt Section.
Embodiment tri-:
Be in described gripping section different from above-described embodiment is removably connected with Butt Section, described gripping section forms the screw with internal thread towards one end of Butt Section indent, the joint face projection of described Butt Section is provided with to coordinate with screw has externally threaded dismounting linkage section.
Embodiment tetra-:
Be in gripping section different from above-described embodiment is evenly equipped with the protruding clamping muscle arranging along gripping section length direction with it.
Embodiment five:
Be in described Butt Section outside surface different from above-described embodiment is provided with external thread, outside described Butt Section, be also arranged with along Butt Section towards gripping section direction be screwed on Butt Section for fastening the locked sleeve ring (4) of standard sample, on described locked sleeve ring ring inner surface, be provided with the internal thread with the external thread adaptation of Butt Section outside surface, locked sleeve ring (4) closes up and is provided with the spacing ring (41) being buckled on stretch section and linkage section link position towards standard sample one end, described linkage section diameter is greater than stretch section diameter, between stretch section and linkage section by arc excessively section be connected, described spacing ring inside surface and described arc excessively section are adaptive.
Spacing ring is the conical ring of outer formation trapezoidal shape, whole two semicircle hoop parts by symmetry are filled the span of a man's arms and are formed, on two hoop parts, adaptive screw thread is set, two hoop part one sides are hinged, opposite side is provided with adaptive locking ring, on locking ring, be inserted with bolt and nut, two are bound round after parts docking is enclosed within on standard sample stretch section and by bolt, with nut, two hoop parts carried out to relative fixing again, then logical rotation is screwed in butt junction locked sleeve ring.The mode that arranges of hoop part also can further strengthen the strength of joint of butt junction and standard sample.
During use, standard sample is screwed on the connecting hole of Butt Section, if adopt locked sleeve ring scheme, can buckle again locked sleeve ring by above-mentioned part, the standard sample that again two ends is connected to connector is clamped on testing equipment, and testing equipment is clamped gripping section, then carries out tension test.Clamp conveniently, without changing specific fixture, cost is low, and test is quick, accurate.
Claims (10)
1. a stretching standard sample connector, it is characterized in that: comprise a pair of connector that is connected in standard sample (1) two ends, standard sample comprises the stretch section at middle part and has the linkage section (11) at externally threaded two ends, described connector comprises the Butt Section for the linkage section that is spirally connected (11) (21) that is connected and gripping section (22) for being connected with stretcher, described Butt Section comprises cylindric section of body and section body both ends of the surface, wherein an end face is the interface for connection standard sample, other end is the joint face being connected with described gripping section, on described interface, have the connecting hole (23) that can insert linkage section along the setting of connector length direction, on described connecting hole (23) hole wall, be provided with for on linkage section external thread coordinate the internal thread being spirally connected, described Butt Section is connected with gripping section one or removably connects.
2. a kind of stretching standard sample connector according to claim 1; it is characterized in that: the link of described gripping section and joint face is provided with the position limitation protection section (24) that is connected in gripping section outer wall and has round table-like outside wall surface; described cast position limitation protection section connects together with described gripping section; described position limitation protection section is towards end face and the gripping section end face of Butt Section, and described position limitation protection section bore is dwindled gradually by the one end towards Butt Section to the other end.
3. a kind of stretching standard sample connector according to claim 1; it is characterized in that: the outside wall surface of described position limitation protection section is curved wall; one end and gripping section section face that described curved wall bore is less are tangent, and the end face of one end that described curved wall bore is larger overlaps with the handing-over line of section body outside wall surface with the end face of Butt Section towards gripping section one side with the handing-over line of curved wall.
4. a kind of stretching standard sample connector according to claim 2, is characterized in that: described Butt Section, position limitation protection section and gripping section one are connected.
5. a kind of stretching standard sample connector according to claim 2; it is characterized in that: described position limitation protection section is connected with gripping section one; described gripping section is removably connected with Butt Section; described gripping section extends to form forward and has externally threaded dismounting linkage section (25) towards one end of Butt Section, is provided with and the female screw of tool (26) of dismantling linkage section and coordinating on the joint face of described Butt Section.
6. a kind of stretching standard sample connector according to claim 2, it is characterized in that: described gripping section is removably connected with Butt Section, described gripping section forms the screw with internal thread towards one end of Butt Section indent, the joint face projection of described Butt Section is provided with to coordinate with screw has externally threaded dismounting linkage section.
7. a kind of stretching standard sample connector according to claim 2, is characterized in that: described standard sample stretch section diameter is less than described gripping section diameter, and described Butt Section diameter is greater than described gripping section diameter.
8. a kind of stretching standard sample connector according to claim 2, it is characterized in that: between the section body outer wall of described Butt Section and interface, by arc guiding angle surface or scarf (3), be connected, between the aperture of described connecting hole and interface, be provided with arc guiding angle surface or scarf, the intensity that described connector material is is greater than the steel of the intensity of described standard sample.
9. a kind of stretching standard sample connector according to claim 2, is characterized in that: described gripping section is cylindric, and gripping section is evenly equipped with the protruding clamping muscle arranging along gripping section length direction with it.
10. a kind of stretching standard sample connector according to claim 1, it is characterized in that: described Butt Section outside surface is provided with external thread, outside described Butt Section, be also arranged with along Butt Section towards gripping section direction be screwed on Butt Section for fastening the locked sleeve ring (4) of standard sample, on described locked sleeve ring ring inner surface, be provided with the internal thread with the external thread adaptation of Butt Section outside surface, locked sleeve ring (4) closes up and is provided with the spacing ring (41) being buckled on stretch section and linkage section link position towards standard sample one end, described linkage section diameter is greater than stretch section diameter, between stretch section and linkage section by arc excessively section be connected, described spacing ring inside surface and described arc excessively section are adaptive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410468115.3A CN104198279B (en) | 2014-09-16 | 2014-09-16 | Standard specimen union joint is used in a kind of stretching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410468115.3A CN104198279B (en) | 2014-09-16 | 2014-09-16 | Standard specimen union joint is used in a kind of stretching |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104198279A true CN104198279A (en) | 2014-12-10 |
| CN104198279B CN104198279B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410468115.3A Active CN104198279B (en) | 2014-09-16 | 2014-09-16 | Standard specimen union joint is used in a kind of stretching |
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| Country | Link |
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| CN (1) | CN104198279B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109001025A (en) * | 2018-09-27 | 2018-12-14 | 天津中德应用技术大学 | A kind of clamp method of alloy sample in tension test |
| CN111351708A (en) * | 2018-12-20 | 2020-06-30 | 中核北方核燃料元件有限公司 | Device and method for detecting welding tension of annular fuel assembly buffer tube |
| CN111351707A (en) * | 2018-12-20 | 2020-06-30 | 中核北方核燃料元件有限公司 | Device and method for detecting welding tension of annular fuel assembly guide pipe |
| CN113125250A (en) * | 2019-12-30 | 2021-07-16 | 中核北方核燃料元件有限公司 | Tensile detection device of fuel assembly sleeve pipe expanded joint |
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| FR2732110A1 (en) * | 1995-03-22 | 1996-09-27 | Commissariat Energie Atomique | Testing rapidly heated specimen bars |
| CN2750311Y (en) * | 2004-09-17 | 2006-01-04 | 沈阳黎明航空发动机(集团)有限责任公司 | Hanging type clamp for high temperature endurance test |
| CN201215537Y (en) * | 2008-07-01 | 2009-04-01 | 中国核动力研究设计院 | Special clamp for metal material tensile test after radiation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109001025A (en) * | 2018-09-27 | 2018-12-14 | 天津中德应用技术大学 | A kind of clamp method of alloy sample in tension test |
| CN111351708A (en) * | 2018-12-20 | 2020-06-30 | 中核北方核燃料元件有限公司 | Device and method for detecting welding tension of annular fuel assembly buffer tube |
| CN111351707A (en) * | 2018-12-20 | 2020-06-30 | 中核北方核燃料元件有限公司 | Device and method for detecting welding tension of annular fuel assembly guide pipe |
| CN111351708B (en) * | 2018-12-20 | 2022-12-20 | 中核北方核燃料元件有限公司 | Device and method for detecting welding tension of annular fuel assembly buffer tube |
| CN111351707B (en) * | 2018-12-20 | 2022-12-20 | 中核北方核燃料元件有限公司 | Device and method for detecting welding tension of annular fuel assembly guide pipe |
| CN113125250A (en) * | 2019-12-30 | 2021-07-16 | 中核北方核燃料元件有限公司 | Tensile detection device of fuel assembly sleeve pipe expanded joint |
| CN113125250B (en) * | 2019-12-30 | 2023-02-21 | 中核北方核燃料元件有限公司 | Tensile detection device of fuel assembly sleeve pipe expanded joint |
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| CN104198279B (en) | 2016-08-24 |
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Address after: 313005 Yongxing special stainless steel Limited by Share Ltd in Huzhou Industrial Zone, Huzhou economic and Technological Development Zone, Zhejiang, China Patentee after: Yongxing special material technology Co., Ltd Address before: 313005 Yongxing special stainless steel Limited by Share Ltd in Huzhou Industrial Zone, Huzhou economic and Technological Development Zone, Zhejiang, China Patentee before: Yongxing Special Stainless Steel Co., Ltd. |