CN204831910U - Bolt sample anchor clamps of reheat crack(ing) sensitivity test - Google Patents
Bolt sample anchor clamps of reheat crack(ing) sensitivity test Download PDFInfo
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- CN204831910U CN204831910U CN201520619338.5U CN201520619338U CN204831910U CN 204831910 U CN204831910 U CN 204831910U CN 201520619338 U CN201520619338 U CN 201520619338U CN 204831910 U CN204831910 U CN 204831910U
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- lower adapter
- reheat
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Abstract
The utility model discloses a bolt sample anchor clamps of reheat crack(ing) sensitivity test, including last adapter and lower adapter, in using, the utility model discloses the setting is in the heating furnace that has the tensile loading function test machine of constant load high temperature. Wherein, go up the one end of adapter and the last connecting rod threaded connection who has the tensile load function test machine of constant load high temperature, the one end of lower adapter and the lower connecting rod threaded connection who has the tensile load function test machine of constant load high temperature go up and are used for setting up the reheat crack(ing) sample between the other end of the other end and the lower adapter of adapter to reach the mesh of centre gripping sample. The utility model discloses simple structure, special testing equipment is avoided developing by usable current common testing machine that has the tensile loading function of constant load high temperature, low cost, the test result is more accurate.
Description
Technical field:
The utility model belongs to material test technical field, more precisely, relates 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.
Utility model content:
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, provides the bolt sample fixture of a kind of reheat cracking susceptibility test.
To achieve these goals, the utility model have employed 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 utility model 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 utility model further improves and is: upper adapter offers adapter groove milling in the circumference of upper adapter threaded rod.
The utility model 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 utility model further improves and is: lower adapter offers lower adapter groove milling in the circumference of lower adapter threaded rod.
The utility model 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 utility model has following beneficial effect:
During use, the one end of the upper adapter provided by the utility model 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 the bolt sample fixture that the utility model can be provided is 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 on the utility model;
Fig. 3 is the upward view of adapter on the utility model;
Fig. 4 is the side view of adapter under the utility model.
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 utility model 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 utility model, comprises adapter 3 and lower adapter 5; During use, the utility model 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 utility model 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 |
|---|---|---|---|
| CN201520619338.5U CN204831910U (en) | 2015-08-17 | 2015-08-17 | Bolt sample anchor clamps of reheat crack(ing) sensitivity test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520619338.5U CN204831910U (en) | 2015-08-17 | 2015-08-17 | Bolt sample anchor clamps of reheat crack(ing) sensitivity test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204831910U true CN204831910U (en) | 2015-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520619338.5U Active CN204831910U (en) | 2015-08-17 | 2015-08-17 | Bolt sample anchor clamps of reheat crack(ing) sensitivity test |
Country Status (1)
| Country | Link |
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| CN (1) | CN204831910U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043857A (en) * | 2015-08-17 | 2015-11-11 | 西安热工研究院有限公司 | Inserted pin test sample clamp for reheating crack sensitivity test |
| CN109952500A (en) * | 2016-10-31 | 2019-06-28 | 日本制铁株式会社 | Stress test fixture and stress test method |
-
2015
- 2015-08-17 CN CN201520619338.5U patent/CN204831910U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043857A (en) * | 2015-08-17 | 2015-11-11 | 西安热工研究院有限公司 | Inserted pin test sample clamp for reheating crack sensitivity test |
| CN109952500A (en) * | 2016-10-31 | 2019-06-28 | 日本制铁株式会社 | Stress test fixture and stress test method |
| CN109952500B (en) * | 2016-10-31 | 2021-08-24 | 日本制铁株式会社 | Clamp for stress test and stress test method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |