CN104198279B - Standard specimen union joint is used in a kind of stretching - Google Patents
Standard specimen union joint is used in a kind of stretching Download PDFInfo
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- CN104198279B CN104198279B CN201410468115.3A CN201410468115A CN104198279B CN 104198279 B CN104198279 B CN 104198279B CN 201410468115 A CN201410468115 A CN 201410468115A CN 104198279 B CN104198279 B CN 104198279B
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- union joint
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Abstract
The invention belongs to field of steel-making, be specifically related to a kind of stretching standard specimen union joint.Including the union joint being connected to standard specimen two ends for a pair, standard specimen includes the stretch section at middle part and has the linkage section at externally threaded two ends, union joint includes Butt Section and the gripping section being connected, Butt Section includes cylindric section of body and section body both ends of the surface, wherein end face is the interface for connection standard sample, other end is the joint face being connected with gripping section, connecting hole is had on interface, being provided with for coordinating the female thread being spirally connected with the external screw thread on linkage section on connecting hole hole wall, Butt Section and gripping section one connect or detachably connected.The application uses special union joint to be spirally connected with standard specimen, again the standard test-object connecting upper binding head is clamped on equipment, fixture on equipment is directly sandwiched on the gripping section of union joint, thus avoids and produce particular jig and change the trouble of fixture, also saves cost.
Description
Technical field
The invention belongs to field of steel-making, be specifically related to a kind of stretching standard specimen union joint.
Background technology
In metal smelt produces, need service-test machine that the sample of metal material is drawn under dead weight power
Stretch, compress or bend test, to ensure the quality of finished product, obtain meeting the steel of national standard, simultaneously for guarantee test
Accuracy, testing machine itself is also required to periodically carry out detecting (referred to as period verifies), verifies and need with total to country's steel research
The standard specimen that institute buys is carried out, and is all sizing due to standard specimen size and shape, is not particularly suited for existing much drawing
Stretching equipment, existing a lot of stretchers are all to use templin chuck, such as WA-300A hydraulic universal testing machine, this instrument
Equipment to the requirement of tensile sample be the length of sample holder end not less than 80cm, but the length of the standard specimen bare terminal end of country
It is only 30cm, and the two ends of standard specimen are threaded section, if directly stretched this standard specimen, then need setting
Standby fixture own is transformed or is changed so that it is be applicable to the standard specimen that is spirally connected, but which not only increases cost, Er Qiewu
Method, for producing the normal assays of sample, causes with pilot production and conflicts.
Summary of the invention
It is an object of the invention to as solving above-mentioned technical problem offer one connection stretching standard specimen union joint.
The above-mentioned technical purpose of the present invention has the technical scheme that
Standard specimen union joint is used in a kind of stretching, including being connected to the union joint at standard specimen two ends for a pair, and standard specimen
Including the stretch section at middle part with have the linkage section at externally threaded two ends, described union joint include being connected for the connection that is spirally connected
The Butt Section of section and for the gripping section that is connected with stretcher, described Butt Section includes cylindric section of body and section body two ends
Face, wherein end face is the interface for connection standard sample, and other end is the joint face being connected with described gripping section, institute
State to have on interface and the connecting hole that can be inserted into linkage section is set along union joint length direction, described connecting hole hole wall is provided with
For with on linkage section external screw thread coordinate the female thread being spirally connected, described Butt Section and gripping section one connect or removably
Connect.
The application uses special union joint to be spirally connected with standard specimen, then will connect the standard test-object folder of upper binding head
Installing on equipment, the fixture on equipment is directly sandwiched on the gripping section of union joint, thus avoids production particular jig and more
Change the trouble of fixture, also save cost.
As preferably, the connection end of described gripping section and joint face is provided with and is connected to gripping section outer wall and has round table-like
The position limitation protection section of outside wall surface, described position limitation protection section and described gripping section one is connected, described position limitation protection section towards
The end face of section and gripping section end face, described position limitation protection section bore is gradually contracted to the other end by the one end towards section
Little.
As preferably, the outside wall surface of described position limitation protection section is curved wall, described curved wall bore reed less one
Hold tangent with gripping section section face, the bigger end face of one end of described curved wall bore and the handing-over line of curved wall and Butt Section
Overlap towards the end face of gripping section side and the handing-over line of section body outside wall surface.
Above-mentioned set-up mode makes between gripping section and Butt Section without sharp-pointed joint angle, is all excessive between the most each
Connect, safer when staff manually dismounts, and position limitation protection section also can strengthen the bonding strength of gripping section and Butt Section,
Thus also ensure that union joint is hardly damaged.
As preferably, described Butt Section, position limitation protection section and gripping section one connect.
The applicable class fixture of structure that one connects.
As preferably, described position limitation protection section and gripping section one connect, and described gripping section removably connects with Butt Section
Connecing, described gripping section extends forward formation towards one end of section and has externally threaded dismounting linkage section, described Butt Section
It is provided with on joint face and dismantles the female screw of tool that linkage section coordinates.
Gripping section is detachably connected with Butt Section, and gripping section is replaceable such that it is able to make union joint and plurality of specifications and chi
Very little clamp adaptor.
Position limitation protection section also corresponds to the thickness having thickeied gripping section with Butt Section link position, thus also improves folder
Bonding strength between the section of holding and Butt Section, not only improves tensile strength between the two when stretching, simultaneously in processing, fortune
Defeated, dismounting time also improve bend resistance intensity between the two.
As preferably, described gripping section is detachably connected with Butt Section, and described gripping section is towards in one end of section
Spill becomes to have female screw, and on the joint face of described Butt Section, projection is provided with to coordinate with screw and has externally threaded tearing open
Unload linkage section.
As preferably, described standard specimen stretch section diameter is less than described gripping section diameter, and described Butt Section diameter is more than
Described gripping section diameter.
Gripping section diameter less than Butt Section can material saving cost, also allow for being fitted on the fixture of equipment.
Thus ensure that standard specimen is first stretched, it is ensured that the reliability of tension test and accuracy.
As preferably, it is connected by arc guiding angle surface or oblique section between section body outer wall and the interface of described Butt Section,
Being provided with arc guiding angle surface or oblique section between aperture and the interface of described connecting hole, the material of described union joint is that intensity is big
Steel in the strength of materials of described standard specimen.
Above-mentioned set-up mode avoids and has been excessively sharp angle, thus ensures that union joint is difficult to damage of colliding with, and also protects simultaneously
Demonstrate,prove the safety in operator's operation, also allow for operator's dismounting.
As preferably, described gripping section is cylindrical, and gripping section is evenly equipped with the projection arranged along gripping section length direction
Clamping muscle.
Clamping muscle contributes to clamping connection fastening between fixture and gripping section.
As preferably, described Butt Section outer surface is provided with external screw thread, is also arranged with along Butt Section court outside described Butt Section
The locked sleeve ring for clasping standard specimen being screwed on Butt Section to gripping section direction, on described locked sleeve ring ring inner surface
Being provided with the female thread that the external screw thread with Butt Section outer surface is adaptive, locked sleeve ring closes up to be provided with towards standard specimen one end and buckles
Spacing ring on stretch section and linkage section link position, described linkage section diameter be more than stretch section diameter, stretch section be connected
Being connected by arc-shaped transition section between Duan, described spacing ring inner surface is adaptive with described arc-shaped transition section.In Butt Section and standard
One locked sleeve ring being screwed onto on the outer surface of Butt Section is set again on the link position of sample, thus at stretch section and linkage section
Link position on further standard specimen is buckled solid in butt joint, to ensure that standard specimen is connected firmly with butt joint, draw
Standard specimen can only be stretched without making standard specimen disengage with butt joint depilation during stretching.The linkage section of standard specimen is spirally connected
In butt joint, linkage section rear end can be optionally further secured in butt joint by the happy solid collar again, thus to union joint and mark
Quasi-sample carries out dual fail-safe connection, is greatly enhanced bonding strength between the two, it is ensured that the accuracy of sample, prevents from again connecting
Head is stretched damages, improves its service life, also ensure that the safety in process of the test simultaneously, in case union joint and sample exist
Inspection disengages suddenly.
The steel using high intensity make union joint can the accurate reliability of guarantee test.
In sum, the method have the advantages that
1, the application uses special union joint to be spirally connected with standard specimen, then will connect the standard test-object of upper binding head
Clamping on equipment, the fixture on equipment is directly sandwiched on the gripping section of union joint, thus avoid production particular jig and
Change the trouble of fixture, also save cost.
2, the test that the application is carried out, conformance with standard sample standard value range are used.
3, the union joint of the application, simple in construction, low cost, installation, convenient disassembly, operate safety, union joint not rapid wear
Bad.
4, the application union joint and standard specimen use dual fastening means, and its bonding strength is high, and link position is difficult to collapse
Opening, detection is more accurate, safety.
Accompanying drawing explanation
Fig. 1 is union joint and standard specimen structural representation；
Fig. 2 is union joint and standard specimen attachment structure schematic diagram；
Fig. 3 is that embodiment is at structural representation；
Fig. 4 is the embodiment five structural representation with locked sleeve ring.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, people in the art
The present embodiment can be made after reading this specification by member as required does not has the amendment of creative contribution, but as long as at this
All protected by Patent Law in the right of invention.
Embodiment one:
Standard specimen union joint is used in a kind of stretching, including being connected to the union joint at standard specimen 1 two ends for a pair, and standard specimen
Including the stretch section at middle part with have the linkage section 11 at externally threaded two ends, described union joint include being connected for the company of being spirally connected
The Butt Section 21 of the section of connecing 11 and for the gripping section 22 being connected with stretcher, described Butt Section includes cylindric section of body and section
Body both ends of the surface, wherein end face is the interface for connection standard sample, and other end is the company being connected with described gripping section
Junction, gripping section is also cylindric, described interface has and arranges the connection that can be inserted into linkage section along union joint length direction
Hole 23, described connecting hole 23 hole wall is provided with for on linkage section external screw thread coordinate the female thread being spirally connected, described right
The section of connecing and gripping section one connect.
The connection end of described gripping section and joint face is provided with and is connected to gripping section outer wall and has round table-like outside wall surface
Position limitation protection section 24, described position limitation protection section is connected with described gripping section one, and described position limitation protection section is towards the end of section
Face and gripping section end face, described position limitation protection section bore is gradually reduced to the other end by the one end towards section.Described
Butt Section, position limitation protection section and gripping section one connect.
The outside wall surface of described position limitation protection section is curved wall, the less one end of described curved wall bore and gripping section section
Face is tangent, and the end face of one end that described curved wall bore is bigger and the handing-over line of curved wall and Butt Section are towards gripping section one
The end face of side overlaps with the handing-over line of section body outside wall surface.
Described standard specimen stretch section diameter is less than described gripping section diameter, and described Butt Section diameter is more than described gripping section
Diameter.
It is connected by arc guiding angle surface or oblique section 3 between section body outer wall and the interface of described Butt Section, described connection
It is provided with arc guiding angle surface or oblique section 3 between aperture and the interface in hole, each joint face is carried out lead angle.
The material of described union joint is the steel that intensity is more than the strength of materials of described standard specimen.
Embodiment two:
Place unlike the embodiments above is that described gripping section is detachably connected with Butt Section, and described gripping section is towards right
The one end of the section of connecing extends forward formation and has externally threaded dismounting linkage section 25, the joint face of described Butt Section is provided with and tears open
Unload the female screw of tool 26 that linkage section coordinates.
Embodiment three:
Place unlike the embodiments above is that described gripping section is detachably connected with Butt Section, and described gripping section is towards right
One end indent of the section of connecing forms the screw with female thread, and on the joint face of described Butt Section, projection is provided with and coordinates tool with screw
There is externally threaded dismounting linkage section.
Embodiment four:
Place unlike the embodiments above is on gripping section to be evenly equipped with the protruding clamping arranged along gripping section length direction
Muscle.
Embodiment five:
Place unlike the embodiments above is that described Butt Section outer surface is provided with external screw thread, the most sheathed outside described Butt Section
There are the locked sleeve ring (4) for clasping standard specimen being screwed on Butt Section along Butt Section, described lock towards gripping section direction
Gu be provided with the female thread that the external screw thread with Butt Section outer surface is adaptive on collar ring inner surface, locked sleeve ring (4) is towards standard
Closing up and be provided with the spacing ring (41) being buckled on stretch section and linkage section link position in sample one end, described linkage section diameter is more than
Stretch section diameter, is connected by arc-shaped transition section between stretch section with linkage section, described spacing ring inner surface and described arc mistake
The section of crossing is adaptive.
Spacing ring is the conical ring of outer formation trapezoidal shape, and whole being filled the span of a man's arms by two symmetrical semicircle cuffs is formed, two hoops
Arranging the screw thread of adaptation on part, two cuffs sides are hinged, and opposite side is provided with the locking ring of adaptation, and locking ring is inserted with spiral shell
Two cuffs are carried out phase by bolt and nut after the docking of two pieces cuffs being enclosed within standard specimen stretch section by bolt and nut again
To fixing, then lead to rotation and make locked sleeve ring be screwed in butt joint.The mode that arranges of cuffs can be increased further butt joint
Bonding strength with standard specimen.
During use, standard specimen is screwed on the connecting hole of Butt Section, if employing locked sleeve ring scheme can be by above-mentioned portion
Dividing and buckle locked sleeve ring again, then the standard specimen that two ends connect union joint is clamped on testing equipment, folder clamped by testing equipment
The section of holding, then carries out tension test.Clamp conveniently, it is not necessary to changing specific fixture, low cost, test is quick, accurately.
Claims (9)
1. standard specimen union joint is used in a stretching, it is characterised in that: include the connection being connected to standard specimen (1) two ends a pair
Head, standard specimen includes the stretch section at middle part and has the linkage section (11) at externally threaded two ends, and described union joint includes being connected
The Butt Section for the linkage section that is spirally connected (11) (21) that connects and for the gripping section (22) being connected with stretcher, described Butt Section
Including cylindric section of body and section body both ends of the surface, wherein end face is the interface for connection standard sample, and other end is
The joint face being connected with described gripping section, described interface has and arranges the company that can be inserted into linkage section along union joint length direction
Connect hole (23), described connecting hole (23) hole wall is provided with for coordinating the female thread being spirally connected, institute with the external screw thread on linkage section
Stating Butt Section and gripping section one connects or detachably connected, described gripping section is cylindrical, gripping section is evenly equipped with along folder
Hold the protruding clamping muscle that segment length direction is arranged.
The most according to claim 1, standard specimen union joint is used in a kind of stretching, it is characterised in that: described gripping section and joint face
The end that connects be provided with and be connected to gripping section outer wall and there is the position limitation protection section (24) of round table-like outside wall surface, described position limitation protection
Section is connected with described gripping section one, and described position limitation protection section is towards the end face of section and gripping section end face, described limit
Position protection section bore is gradually reduced to the other end by the one end towards section.
The most according to claim 2, standard specimen union joint is used in a kind of stretching, it is characterised in that: outside described position limitation protection section
Wall is curved wall, and one end that described curved wall bore is less is tangent with gripping section section face, and described curved wall bore is relatively
The end face of big one end joins line and the Butt Section end face towards gripping section side and the friendship of section body outside wall surface with curved wall
Wiring overlaps.
The most according to claim 2, standard specimen union joint is used in a kind of stretching, it is characterised in that: described Butt Section, spacing guarantor
The section of protecting and gripping section one connect.
The most according to claim 2, standard specimen union joint is used in a kind of stretching, it is characterised in that: described position limitation protection section and folder
The section of holding one connects, and described gripping section is detachably connected with Butt Section, and described gripping section prolongs forward towards one end of section
Stretch formation and there is externally threaded dismounting linkage section (25), the joint face of described Butt Section is provided with and dismantles what linkage section coordinated
Has female screw (26).
The most according to claim 2, standard specimen union joint is used in a kind of stretching, it is characterised in that: described gripping section and Butt Section
Detachably connected, described gripping section forms the screw with female thread towards one end indent of section, described Butt Section
On joint face, projection is provided with to coordinate with screw and has externally threaded dismounting linkage section.
The most according to claim 2, standard specimen union joint is used in a kind of stretching, it is characterised in that: described standard specimen stretch section
Diameter is less than described gripping section diameter, and described Butt Section diameter is more than described gripping section diameter.
The most according to claim 2, standard specimen union joint is used in a kind of stretching, it is characterised in that: outside the section body of described Butt Section
It is connected by arc guiding angle surface or oblique section (3) between wall with interface, arranges between aperture and the interface of described connecting hole
Having arc guiding angle surface or oblique section, the material of described union joint is the steel that intensity is more than the strength of materials of described standard specimen.
The most according to claim 1, standard specimen union joint is used in a kind of stretching, it is characterised in that: described Butt Section outer surface sets
Be equipped with external screw thread, be also arranged with outside described Butt Section be screwed on Butt Section along Butt Section towards gripping section direction for clasping
The locked sleeve ring (4) of standard specimen, described locked sleeve ring ring inner surface is provided with the external screw thread with Butt Section outer surface adaptive
Female thread, locked sleeve ring (4) closes up towards standard specimen one end and is provided with and is buckled on stretch section and linkage section link position
Spacing ring (41), described linkage section diameter is more than stretch section diameter, is connected by arc-shaped transition section between stretch section with linkage section,
Described spacing ring inner surface is adaptive with described arc-shaped transition section.
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 |
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| Publication Number | Publication Date |
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| CN104198279A CN104198279A (en) | 2014-12-10 |
| CN104198279B true CN104198279B (en) | 2016-08-24 |
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| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| 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 |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20120053845A (en) * | 2010-11-18 | 2012-05-29 | 현대자동차주식회사 | Grip for tensile test of porous and method for using the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101706391A (en) * | 2009-12-11 | 2010-05-12 | 中国航空工业集团公司北京航空材料研究院 | Anti-adhesive shoulder fixture for improving efficiency of endurance test |
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| CN104198279A (en) | 2014-12-10 |
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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. |
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