CN105043857A - Inserted pin test sample clamp for reheating crack sensitivity test - Google Patents
Inserted pin test sample clamp for reheating crack sensitivity test Download PDFInfo
- Publication number
- CN105043857A CN105043857A CN201510504484.8A CN201510504484A CN105043857A CN 105043857 A CN105043857 A CN 105043857A CN 201510504484 A CN201510504484 A CN 201510504484A CN 105043857 A CN105043857 A CN 105043857A
- Authority
- CN
- China
- Prior art keywords
- adapter
- threaded
- test
- lower adapter
- reheat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses an inserted pin test sample clamp for reheating crack sensitivity test. The inserted pin test sample clamp comprises an up-turning joint and a down-turning joint. When used, the inserted pin test sample clamp is arranged in a heating furnace of a test machine with a constant-load and high-temperature tensile loading function, wherein one end of the up-turning joint is in threaded connection with an upper connection rod of the test machine with the constant-load and high-temperature tensile loading function; one end of the down-turning joint is in threaded connection with a lower connection rod of the test machine with the constant-load and high-temperature tensile loading function; a reheating crack test sample is arranged between the other end of the up-turning joint and the other end of the down-turning joint, so that the aim of clamping the test sample is fulfilled. The inserted pin test sample clamp is simple in structure; the existing conventional test machine with the constant-load and high-temperature tensile loading function can be used, and no special test equipment is needed to be researched, so that the cost is low, and the test result is more precise.
Description
Technical field:
The invention belongs to material test technical field, more precisely, relate to the bolt sample fixture that testing machine that a kind of utilization has a constant load drawing by high temperature value-added tax function carries out reheat cracking susceptibility test.
Background technology:
, inevitably there is larger welding residual stress in some important large welded structures, often needs to carry out post weld heat treatment to eliminate welding residual stress.Post weld heat treatment can improve the performance of whole welding joint and the tissue of welding heat affected zone, prevent low stress brittle rupture, cold crack and stress corrosion cracking (SCC) etc., but some contains the steel grade of precipitation-strengthening element and high temperature alloy has obvious reheat crack(ing) tendency, in PWHT procedures, often there is reheat crack(ing).Various steel or high temperature alloy have one to the temperature range of reheat crack(ing) sensitivity, as long as avoid its reheat crack(ing) sensitive temperature just can avoid producing reheat crack(ing) in PWHT procedures, measure reheat crack(ing) sensitive temperature region therefore how accurately, reliably, easily significant.
Traditional test method has two kinds, one adopts thermal simulation technology, but its test condition differs larger with practical engineering application, often data accuracy is poor, another kind method is processing bolt sample (with reference to GB9446-88 " welding-use latch cold crack test method " processing), adopt the bolt testing machine being equipped with heating system, temp measuring system, cooling system etc. to test, but need the nonstandard testing equipment of special development, experimentation cost is high.Because this kind of testing machine demand is not high, special testing machine manufacturing enterprise is not had to produce at present, general Shi Ge test unit performs design trial-production, testing machine structure is very simple, particularly in order to reduce manufacturing cost, it is loaded and general to be realized by very simple lever, the accuracy of the force value in process of the test, all undesirable with the right alignment of sample, makes test figure dispersed large.
Summary of the invention:
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, provide the bolt sample fixture of a kind of reheat cracking susceptibility test.
To achieve these goals, present invention employs following technical scheme:
A bolt sample fixture for reheat cracking susceptibility test, comprises adapter and lower adapter; Wherein, one end of upper adapter is threaded with the upper connecting rod with constant load drawing by high temperature value-added tax function testing machine, one end of lower adapter is threaded with the lower connecting rod with constant load drawing by high temperature value-added tax function testing machine, for arranging reheat crack(ing) sample between the other end of upper adapter and the other end of lower adapter.
The present invention further improves and is: one end of upper adapter is provided with adapter threaded rod, and this is threaded between adapter threaded rod with the threaded hole that upper connecting rod is offered.
The present invention further improves and is: upper adapter offers adapter groove milling in the circumference of upper adapter threaded rod.
The present invention further improves and is: one end of lower adapter is provided with lower adapter threaded rod, and this lower adapter threaded rod is threaded with between the threaded hole that lower connecting rod is offered.
The present invention further improves and is: lower adapter offers lower adapter groove milling in the circumference of lower adapter threaded rod.
The present invention further improves and is: the other end of upper adapter offers U-type groove, upper adapter axially offer square lateral direction penetrating hole, U-type groove is connected with square lateral direction penetrating hole composition draw-in groove; The other end of lower adapter offers lower adapter threaded hole; Be threaded between one end of reheat crack(ing) sample and the lower adapter threaded hole of the lower adapter other end, the other end of reheat crack(ing) sample is stuck in the draw-in groove of the adapter other end.
Relative to prior art, the present invention has following beneficial effect:
During use, one end of upper adapter provided by the invention is threaded with the upper connecting rod with constant load drawing by high temperature value-added tax function testing machine, one end of lower adapter is threaded with the lower connecting rod with constant load drawing by high temperature value-added tax function testing machine, is finally arranged on by reheat crack(ing) sample between the other end of upper adapter and the other end of lower adapter.
In addition, the various testing machines with constant load drawing by high temperature value-added tax function that bolt sample fixture provided by the invention can be installed on laboratory common carry out reheat cracking susceptibility test, test simple and easy to do, because these testing machine force value accuracys are high, right alignment is good, and the data precision is good.The testing machine with constant load drawing by high temperature value-added tax function comprises high-temperature tensile testing machine, high-temerature creep testing machine, the slow tensile stress etching testing machine of high temperature etc., the pull bar of these testing machines and fixture are all bar-shaped, tabular test design usually, general by screw thread or wedge shape class holder sample.
Accompanying drawing illustrates:
Fig. 1 is the scheme of installation of the bolt sample fixture of this practical reheat cracking susceptibility test;
Fig. 2 is the side view of adapter in the present invention;
Fig. 3 is the upward view of adapter in the present invention;
Fig. 4 is the side view of adapter under the present invention.
In figure: 1-has the heating furnace of constant load drawing by high temperature value-added tax function testing machine; 2-has the upper connecting rod of constant load drawing by high temperature value-added tax function testing machine; The upper adapter of 3-; 4-reheat crack(ing) sample; Adapter under 5-; 6-has the lower connecting rod of constant load drawing by high temperature value-added tax function testing machine; The upper adapter threaded rod of 7-; The upper adapter groove milling of 8-; The square lateral direction penetrating hole of 9-; 10-U type groove; Adapter threaded rod under 11-; Adapter threaded hole under 12-; Adapter groove milling under 13-.
Embodiment:
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in Figures 1 to 4, the bolt sample fixture of a kind of reheat cracking susceptibility test of the present invention, comprises adapter 3 and lower adapter 5; During use, the present invention is arranged in the heating furnace 1 with constant load drawing by high temperature value-added tax function testing machine.
Wherein, one end of upper adapter 3 is threaded with the upper connecting rod 2 with constant load drawing by high temperature value-added tax function testing machine, one end of lower adapter 5 is threaded with the lower connecting rod 6 with constant load drawing by high temperature value-added tax function testing machine, for arranging reheat crack(ing) sample 4 between the other end of upper adapter 3 and the other end of lower adapter 5.
Further, as shown in Figures 2 and 3, one end of upper adapter 3 is provided with adapter threaded rod 7, and this is threaded between adapter threaded rod 7 with the threaded hole that upper connecting rod 2 is offered.In addition, upper adapter 3 offers adapter groove milling 8 in the circumference of upper adapter threaded rod 7, and then the handling of expediently adapter 3 and reheat crack(ing) sample 4.
Further, as shown in Figure 4, one end of lower adapter 5 is provided with lower adapter threaded rod 11, is threaded between this lower adapter threaded rod 11 with threaded hole that lower connecting rod 6 is offered.In addition, lower adapter 5 offers lower adapter groove milling 13 in the circumference of lower adapter threaded rod 11, and then the handling of convenient lower adapter 5 and reheat crack(ing) sample 4.
Further, as shown in Figures 1 to 4, the other end of upper adapter 3 offers U-type groove 10, and U-type groove 10 afterbody extends to the other end center of adapter 3 always, upper adapter 3 axially offer square lateral direction penetrating hole 9, U-type groove 10 is connected with square lateral direction penetrating hole 9 composition draw-in groove; The other end of lower adapter 5 offers lower adapter threaded hole 12; One end of reheat crack(ing) sample 4 is threaded with between the lower adapter threaded hole 12 of lower adapter 5 other end, and the other end of reheat crack(ing) sample 4 is stuck in the draw-in groove of adapter 3 other end.
The material of upper adapter 3 of the present invention and lower adapter 5 is the high temperature alloy material with higher pulling strengrth and creep resisting ability, good inoxidizability and corrosion resistance.
Claims (6)
1. a bolt sample fixture for reheat cracking susceptibility test, is characterized in that: comprise adapter (3) and lower adapter (5); Wherein,
One end of upper adapter (3) is threaded with the upper connecting rod (2) with constant load drawing by high temperature value-added tax function testing machine, one end of lower adapter (5) is threaded with the lower connecting rod (6) with constant load drawing by high temperature value-added tax function testing machine, for arranging reheat crack(ing) sample (4) between the other end of upper adapter (3) and the other end of lower adapter (5).
2. the bolt sample fixture of a kind of reheat cracking susceptibility test according to claim 1, it is characterized in that: one end of upper adapter (3) is provided with adapter threaded rod (7), and this is threaded between adapter threaded rod (7) with the threaded hole that upper connecting rod (2) is offered.
3. the bolt sample fixture of a kind of reheat cracking susceptibility test according to claim 2, is characterized in that: upper adapter (3) is upper offers adapter groove milling (8) in the circumference of upper adapter threaded rod (7).
4. the bolt sample fixture of a kind of reheat cracking susceptibility test according to claim 1, it is characterized in that: one end of lower adapter (5) is provided with lower adapter threaded rod (11), be threaded between this lower adapter threaded rod (11) with threaded hole that lower connecting rod (6) is offered.
5. the bolt sample fixture of a kind of reheat cracking susceptibility test according to claim 4, is characterized in that: lower adapter (5) is upper offers lower adapter groove milling (13) in the circumference of lower adapter threaded rod (11).
6. the bolt sample fixture of a kind of reheat cracking susceptibility test according to claim 1, it is characterized in that: the other end of upper adapter (3) offers U-type groove (10), upper adapter (3) axially offer square lateral direction penetrating hole (9), U-type groove (10) is connected with square lateral direction penetrating hole (9) composition draw-in groove; The other end of lower adapter (5) offers lower adapter threaded hole (12); One end of reheat crack(ing) sample (4) is threaded with between the lower adapter threaded hole (12) of lower adapter (5) other end, and the other end of reheat crack(ing) sample (4) is stuck in the draw-in groove of adapter (3) other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510504484.8A CN105043857A (en) | 2015-08-17 | 2015-08-17 | Inserted pin test sample clamp for reheating crack sensitivity test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510504484.8A CN105043857A (en) | 2015-08-17 | 2015-08-17 | Inserted pin test sample clamp for reheating crack sensitivity test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105043857A true CN105043857A (en) | 2015-11-11 |
Family
ID=54450575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510504484.8A Pending CN105043857A (en) | 2015-08-17 | 2015-08-17 | Inserted pin test sample clamp for reheating crack sensitivity test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105043857A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105259030A (en) * | 2015-11-16 | 2016-01-20 | 浙江工业大学 | Chuck mechanism special for interrupted creep test |
| CN110823678A (en) * | 2019-11-25 | 2020-02-21 | 北京北冶功能材料有限公司 | High-temperature tensile test device and method for metal filaments |
| CN113281165A (en) * | 2021-06-30 | 2021-08-20 | 燕山大学 | Limit test fixture and method for high-strength steel plate fracture in complex tension-compression path |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06313751A (en) * | 1993-04-30 | 1994-11-08 | Bridgestone Corp | Tensile testing device |
| CN202735160U (en) * | 2012-06-23 | 2013-02-13 | 云南省建筑科学研究院 | Tensile strength detecting clamp of high strength bolt |
| CN103592178A (en) * | 2012-08-14 | 2014-02-19 | 天津建筑机械厂 | M20*1.5 bolt tensile test clamping tool |
| CN204142573U (en) * | 2014-11-05 | 2015-02-04 | 中国工程物理研究院材料研究所 | A kind of jig of low-intensity high fragility sample high temperature tensile properties test |
| CN204831910U (en) * | 2015-08-17 | 2015-12-02 | 西安热工研究院有限公司 | Bolt sample anchor clamps of reheat crack(ing) sensitivity test |
-
2015
- 2015-08-17 CN CN201510504484.8A patent/CN105043857A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06313751A (en) * | 1993-04-30 | 1994-11-08 | Bridgestone Corp | Tensile testing device |
| CN202735160U (en) * | 2012-06-23 | 2013-02-13 | 云南省建筑科学研究院 | Tensile strength detecting clamp of high strength bolt |
| CN103592178A (en) * | 2012-08-14 | 2014-02-19 | 天津建筑机械厂 | M20*1.5 bolt tensile test clamping tool |
| CN204142573U (en) * | 2014-11-05 | 2015-02-04 | 中国工程物理研究院材料研究所 | A kind of jig of low-intensity high fragility sample high temperature tensile properties test |
| CN204831910U (en) * | 2015-08-17 | 2015-12-02 | 西安热工研究院有限公司 | Bolt sample anchor clamps of reheat crack(ing) sensitivity test |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105259030A (en) * | 2015-11-16 | 2016-01-20 | 浙江工业大学 | Chuck mechanism special for interrupted creep test |
| CN110823678A (en) * | 2019-11-25 | 2020-02-21 | 北京北冶功能材料有限公司 | High-temperature tensile test device and method for metal filaments |
| CN113281165A (en) * | 2021-06-30 | 2021-08-20 | 燕山大学 | Limit test fixture and method for high-strength steel plate fracture in complex tension-compression path |
| CN113281165B (en) * | 2021-06-30 | 2022-09-06 | 燕山大学 | Limit test fixture and method for high-strength steel plate fracture in complex tension-compression path |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105043857A (en) | Inserted pin test sample clamp for reheating crack sensitivity test | |
| CN102288482B (en) | High temperature tensile clamp | |
| CN205246435U (en) | Experimental special chuck mechanism is suspend in creep | |
| CN106018078A (en) | Displacement extension clamping device for measuring axial tensile deformation of steel cable at high temperature and using method of displacement extension clamping device | |
| CN204831910U (en) | Bolt sample anchor clamps of reheat crack(ing) sensitivity test | |
| CN103529072B (en) | A kind of apparatus and method measuring interfacial heat transfer coefficient between thermal deformation workpiece and mould | |
| CN107132086A (en) | A kind of preparation method of drawing by high temperature sample | |
| CN106769527B (en) | A kind of soldered fitting brazed seam mechanics parameter test method | |
| CN104677259A (en) | Calibration method for measuring accuracy of high-temperature crack length through direct current potential method | |
| CN105259030A (en) | Chuck mechanism special for interrupted creep test | |
| CN109060499B (en) | High-temperature creep test sample protection device | |
| CN205593843U (en) | Novel take on high low temperature tensile test special fixture of hanging tensile sample | |
| CN204843930U (en) | Simple and easy welded steel fabric resistance to shear anchor clamps | |
| CN103837398A (en) | Bolt test determination method for quenching and tempering high-strength steel reheat crack sensitive temperature | |
| CN208187846U (en) | A kind of full pipe sample stress-rupture tester fixture of small diameter metal thin-wall tube | |
| CN202119670U (en) | High-temperature extending fixture | |
| CN105067425A (en) | Extensometer guide rod system and method for high-temperature tension test by using system | |
| CN206920262U (en) | A kind of thin plate low cycle fatigue test device | |
| CN102636385A (en) | Test specimen for high-temperature strength and notch sensitivity of welding seam | |
| CN201297919Y (en) | Elbow joint part checking clamping fixture | |
| CN204944932U (en) | For the extensometer direct lever system of high temperature tension test | |
| CN204584029U (en) | A kind of multidirectional compression test mould | |
| CN209979394U (en) | Ceramic matrix composite ultra-high temperature stretching combined clamp | |
| CN207675537U (en) | A kind of fixture for beta alloy high temperature creep property | |
| CN110044720A (en) | A kind of multi-functional clamp suitable for nonstandard small sample creep performance test |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151111 |