CN102252900B - Inert gas protection method and apparatus for self-heating high temperature compression quenching experiment - Google Patents
Inert gas protection method and apparatus for self-heating high temperature compression quenching experiment Download PDFInfo
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- CN102252900B CN102252900B CN 201110092544 CN201110092544A CN102252900B CN 102252900 B CN102252900 B CN 102252900B CN 201110092544 CN201110092544 CN 201110092544 CN 201110092544 A CN201110092544 A CN 201110092544A CN 102252900 B CN102252900 B CN 102252900B
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- inert gas
- hollow bushing
- tubulose
- high temperature
- surge chamber
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Abstract
The invention discloses an inert gas protection method for self-heating high temperature compression quenching experiment and a special apparatus for employment of the method. A hollow sleeve casing is sleeved on peripheries of pressure heads for clamping metal samples in a thermal physical simulation machine; and two ends of a trepanning of the hollow sleeve casing are equipped with internal faces for anastomotic cooperation with outer peripheral faces of two pressure heads of the thermal physical simulation machine. An inert gas protection space isolated form outside is formed through the cooperation of the hollow sleeve casing and the two pressure heads; an inert gas channel communicating with the inert gas protection space is arranged on the hollow sleeve casing, and inert gas is transmitted into the inert gas protection space uninterruptedly through the inert gas channel. So that an inert gas protection environment for protecting metal samples in inert gas is formed in the inert gas protection space. The invention has advantages of simple structure, simple operation, reduced inert gas consumption and increased experiment efficiency.
Description
Technical field
The invention belongs to the heating power Physical Experiment technical field of metal material, definite saying relates to a kind of inert gas protection device that carries out the guard method of inert gas shielding and be exclusively used in the method in metal material being carried out the high temperature experiment.
Background technology
The mechanical property of metal material and the exploitation of new material have very important effect in scientific research and engineering application.The elevated temperature strength of metal material and moulding be the important mechanical performance index that material at high temperature uses and need to consider during hot-working, the formulation of techniques such as the welding of metal material, forging and pressing, thermal treatment, surface modification must be take mechanical property as basic.When metal material is carried out the heating power Physical Experiment, be to guarantee the accuracy of experiment, usually test button need to be placed under the guard mode of vacuum or inert gas and carry out.What China carried out that the equipment of heating power physical simulation experiment mainly adopts to metal material at present is the Gleeble series heating power physical simulation experiment machine that U.S. DSI company produces.Be used on this Gleeble series heating power physical simulation experiment machine being installed test button vacuum tank structure as shown in Figure 1, in vacuum tank, be provided with left pressure head 101 and right pressure head 102 for the sandwiched test button, one of them pressure head is fixed, another pressure head is connected with hydraulic drive mechanism, be covered with a vacuum chamber 100 in left and right sides pressure head 101,102 peripheral seal, on the sidewall of vacuum chamber 100, offer respectively inert gas inflation inlet 103 and vacuum pumping opening 104.When adopting this Gleeble series heating power physical simulation experiment machine to carry out the quench hot experiment of test button, about test button is folded between two pressure heads 101,102, to vacuumize in the vacuum chamber 100 by vacuum pumping opening 104, so that reach certain vacuum tightness in the vacuum chamber 100, then be filled with argon gas by inert gas inflation inlet 103, need to repeatedly carry out vacuumizing and being filled with for three times the process of argon gas, guarantee is in the good experimental situation of vacuum chamber 100 interior formation, to prevent test button oxidation in experiment.After quench hot experiment finishes, in the time that the experiment of next test button need to being carried out, also need repeatedly to carry out vacuumizing and being filled with for three times again the process of argon gas; And the hardening liquid of test button in quench hot final vacuum casing is difficult for emptying, remaining hardening liquid can affect the link that vacuumizes next time, and with the hardening liquid emptying, drying up wastes time and energy, so that it must just can continue to do next test button through numerous and diverse subsequent treatment after finishing the high temperature compressed quenching assay of a test button, so that the operation steps of experiment is very loaded down with trivial details, can't carry out continuous quench hot experiment, conventional efficient is lower, and vacuumizing with the process of filling with inert gas repeatedly also can waste a large amount of inert gases, causes its experimental cost higher.
Summary of the invention
An object of the present invention is: provide a kind of from heating high temperature compressed quenching assay blanketing with inert gas method, with the complex operation step that solves existing quench hot experiment, the problem that the inert gas consumption is larger.
Technical scheme from heating high temperature compressed quenching assay blanketing with inert gas method of the present invention is: a kind of from heating high temperature compressed quenching assay blanketing with inert gas method; at first be used for clamping hollow bushing of the peripheral suit of pressure head of test button at heating power physical simulation experiment machine; the two ends of this hollow bushing trepanning have the internal face that coincide and cooperate for corresponding with the outer peripheral face of heating power physical simulation experiment machine two pressure heads; cooperate with two pressure heads by this hollow bushing and to form the inert gas shielding space be isolated from the outside; be provided with the inert gas passage that is communicated with described inert gas shielding space at hollow bushing; then in described inert gas shielding space, pass into inert gas incessantly by the inert gas passage, thereby in this inert gas shielding space, form the inert gas shielding environment that test button is carried out inert gas shielding.
The tubulose surge chamber that is fixed with that is right-angled intersection at the middle part of described hollow bushing tube wall, this tubulose surge chamber is communicated with the trepanning of hollow bushing, end at the tubulose surge chamber is arranged with inert gas air intake opening and hardening liquid inlet by threeway, the other end at the tubulose surge chamber is provided with leakage fluid dram, be separately installed with valve at hardening liquid inlet and leakage fluid dram, opposite side tube wall relative with the tubulose surge chamber on hollow bushing offers be used to the opening that wears thermocouple wire.
Another object of the present invention is: provide a kind of above-mentioned corollary apparatus from heating high temperature compressed quenching assay blanketing with inert gas method that is exclusively used in, with the complex operation step that solves existing quench hot experiment, the problem that the inert gas consumption is larger.
Of the present invention being exclusively used in from the technical scheme that heats the corollary apparatus of high temperature compressed quenching assay blanketing with inert gas method is: a kind of from heating high temperature compressed quenching assay blanketing with inert gas device; comprise be used to the hollow bushing that is set in the test button periphery; the two ends of hollow bushing trepanning have respectively the internal face that coincide and cooperate for corresponding with the outer peripheral face of heating power physical simulation experiment machine two pressure heads; side pipe wall at the hollow bushing middle part is provided with the inert gas blow vent, is provided with the inert gas outlet at the opposite side tube wall relative with this inert gas blow vent.
Tube wall at described hollow bushing is fixed with a tubulose surge chamber in inert gas blow vent place, be provided with the gas-liquid channel that is communicated with the inert gas blow vent in this tubulose surge chamber, one end of this gas-liquid channel is arranged with hardening liquid inlet and inert gas air intake opening by threeway, the other end of this gas-liquid channel is provided with leakage fluid dram, is separately installed with valve at hardening liquid inlet and leakage fluid dram.
Described tubulose surge chamber is right-angled intersection with hollow bushing and is connected.
Described hollow bushing is fastened by the curved cover plate of the arc-shaped base that is connected with the tubulose surge chamber and corresponding setting and consists of, and described inert gas outlet is for being opened in the opening that is used for wearing thermocouple wire on the curved cover plate.
The bearing of trend of described opening is axial perpendicular to hollow bushing.
The bearing of trend of described opening is parallel to the axial of hollow bushing.
Described hollow bushing is made by transparent quartz material.
The present invention isolates the useful space of a closed metal sample between two pressure heads by the hollow bushing on two pressure heads that are sleeved on heating power physical simulation experiment machine; test button is enclosed in the hollow bushing; in the space between hollow bushing and two pressure heads, pass into inert gas by what the inert gas air intake opening continued during use; the inert gas test button of flowing through spills from the opening that wears thermocouple wire; make inert gas flows; thereby need not to enable vacuum chamber; in the subrange between two pressure heads and hollow bushing in the situation about not vacuumizing, form effective inert gas shielding environment; it has cancelled the numerous and diverse operation that repeatedly vacuumizes in vacuum tank; simplified the operation steps of experiment; and by hollow bushing with the local space between two pressure heads and external isolation; so that the volume of this enclosure space significantly dwindles, thereby reduced the consumption of inert gas.Simultaneously, can provide quenching function to test button by the hardening liquid inlet that arranges on the surge chamber and leakage fluid dram, when especially adopting shrend, chilled water can be emptying rapidly by leakage fluid dram, in hollow bushing, do not stay raffinate, after the experiment of finishing a test button, need not through numerous and diverse subsequent operation is that replaceable test button carries out next one experiment, thereby continuous experiment and quenching have been realized, it has reduced the operation steps of experiment, conventional efficient is greatly improved, significantly reduced experimental cost.
Description of drawings
Fig. 1 is the structure diagram of vacuum tank in the existing Gleeble series heating power physical simulation experiment machine;
Fig. 2 is that the present invention is from the structural representation that heats high temperature compressed quenching assay blanketing with inert gas device specific embodiment one;
Fig. 3 is A-A cut-open view among Fig. 2;
Fig. 4 is B-B cut-open view among Fig. 2;
Fig. 5 is that the present invention is from the structural representation that heats high temperature compressed quenching assay blanketing with inert gas device specific embodiment two;
Fig. 6 is C-C cut-open view among Fig. 5;
Fig. 7 is D-D cut-open view among Fig. 5.
Embodiment
Embodiment one: of the present invention from heating the specific embodiment of high temperature compressed quenching assay blanketing with inert gas device just like shown in Fig. 2,3,4; it comprises the hollow bushing 1 that is located at test button 10 peripheries for coaxial sleeve; the endoporus of hollow bushing 1 have for heating power physical simulation experiment machine two pressure heads 101, the corresponding internal face that coincide and cooperate of 102 outer peripheral face, thereby between two pressure heads 101,102, isolate a local space.This hollow bushing 1 is that the curved cover plate 1-2 by the arc-shaped base 1-1 that is connected with tubulose surge chamber 2 and corresponding setting fastens and consists of, profile is the cylindrical tube shape structure, outside tube wall at arc-shaped base 1-1 middle part is the tubulose surge chamber 2 that is connected with of right-angled intersection, and the axial of tubulose surge chamber 2 is communicated with the endoporus of hollow bushing 1 with the cross-coupled tube wall of arc-shaped base 1-1 by it with hollow bushing 1 inner chamber vertical and this tubulose surge chamber 2.The connecting pipe 3 that is connected with in T shape in the upper end of this tubulose surge chamber 2, this connecting pipe 3 is parallel with hollow bushing 1, be respectively arranged with inert gas air intake opening 3-1 and hardening liquid inlet 3-2 at the two ends of connecting pipe 3, lower end at tubulose surge chamber 2 is provided with leakage fluid dram, 3-2 is provided with liquid flowing valve 3-3 at the hardening liquid inlet, is provided with draining valve 4 at leakage fluid dram.Offer be used to the opening 5 that installs thermocouple wire at curved cover plate 1-2.In the present embodiment, the bearing of trend of this opening 5 is axial perpendicular to hollow bushing 1, and extends to the both sides of curved cover plate 1-2, thereby curved cover plate 1-2 is divided into two.
During experiment, at first test button is installed between heating power physical simulation experiment machine two pressure heads 101,102, then the arc-shaped base 1-1 in the hollow bushing 1 is loaded onto with tubulose surge chamber 2 parts that are connected, thermopair is connected on the test button, covers at last curved cover plate 1-1 and thermocouple wire is stayed the opening 5 of establishing between two cover plates and freely pass through.Close the valve on hardening liquid inlet and the leakage fluid dram, connect inert gas, inert gas flows in tubulose surge chamber 2 enters space between hollow bushing 1 and two pressure heads 101,102 from inert gas air intake opening 3-1, just can heat, insulation and compression test.Space in whole process of the test between hollow bushing 1 and two pressure heads 101,102 provides inert gas shielding high-temp antioxidizing environment.If need to quench, when compression test finishes, can open the liquid flowing valve on the hardening liquid inlet, hardening liquid enters hollow bushing 1 interior realization through tubulose surge chamber 2 and quenches, and after the quenching, opens the draining valve on the leakage fluid dram, and hardening liquid is emptying.
Embodiment two: present embodiment two is with the difference of embodiment one shown in Fig. 5,6,7, on curved cover plate 1-2 along two openings 5 that are used for wearing respectively the thermocouple wire outlet that are parallel to hollow bushing 1 axial direction and offer.
Claims (7)
1. one kind is heated high temperature compressed quenching assay blanketing with inert gas method certainly, it is characterized in that, at first be used for clamping hollow bushing of the peripheral suit of pressure head of test button at heating power physical simulation experiment machine, the two ends of this hollow bushing trepanning have the internal face that coincide and cooperate for corresponding with the outer peripheral face of heating power physical simulation experiment machine two pressure heads, cooperate with two pressure heads by this hollow bushing and to form the inert gas shielding space be isolated from the outside, be provided with the inert gas passage that is communicated with described inert gas shielding space at hollow bushing, when needs carry out the heating power Physical Experiment to test button, in described inert gas shielding space, pass into inert gas by the inert gas passage is continual, thereby in this inert gas shielding space, form the inert gas shielding environment that test button is carried out inert gas shielding; Also be fixed with a tubulose surge chamber what the middle part of described hollow bushing tube wall was right-angled intersection, this tubulose surge chamber is communicated with the trepanning of hollow bushing, end at the tubulose surge chamber is arranged with inert gas air intake opening and hardening liquid inlet by threeway, the other end at the tubulose surge chamber is provided with leakage fluid dram, be separately installed with valve at hardening liquid inlet and leakage fluid dram, when needs quench to test button, open valve, by the hardening liquid inlet hardening liquid is injected hollow bushing test button is realized quenching; The opposite side tube wall relative with the tubulose surge chamber offers be used to the opening that wears as the thermocouple wire of test button heating on hollow bushing.
2. one kind is exclusively used in and implements the as claimed in claim 1 high temperature compressed quenching assay blanketing with inert gas of the certainly heating device of method; it is characterized in that; comprise be used to the hollow bushing that is set in the test button periphery; the two ends of hollow bushing trepanning have respectively the internal face that coincide and cooperate for corresponding with the outer peripheral face of heating power physical simulation experiment machine two pressure heads; side pipe wall at the hollow bushing middle part is provided with the inert gas blow vent; be provided with the inert gas outlet at the opposite side tube wall relative with this inert gas blow vent; tube wall at described hollow bushing is fixed with a tubulose surge chamber in inert gas blow vent place; be provided with the gas-liquid channel that is communicated with the inert gas blow vent in this tubulose surge chamber; one end of this gas-liquid channel is arranged with hardening liquid inlet and inert gas air intake opening by threeway; the other end of this gas-liquid channel is provided with leakage fluid dram, is separately installed with valve at hardening liquid inlet and leakage fluid dram.
3. certainly heat high temperature compressed quenching assay blanketing with inert gas device according to claimed in claim 2, it is characterized in that described tubulose surge chamber is right-angled intersection with hollow bushing and is connected.
4. according to claim 3 from heating high temperature compressed quenching assay blanketing with inert gas device; it is characterized in that; described hollow bushing is fastened by the curved cover plate of the arc-shaped base that is connected with the tubulose surge chamber and corresponding setting and consists of, and described inert gas outlet is for being opened in the opening that is used for wearing thermocouple wire on the curved cover plate.
5. according to claim 4 from heating high temperature compressed quenching assay blanketing with inert gas device, it is characterized in that, the bearing of trend of described opening perpendicular to hollow bushing axially.
6. according to claim 4 from heating high temperature compressed quenching assay blanketing with inert gas device, it is characterized in that, the bearing of trend of described opening be parallel to hollow bushing axially.
7. according to claim 2 from heating high temperature compressed quenching assay blanketing with inert gas device, it is characterized in that described hollow bushing is made by transparent quartz material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110092544 CN102252900B (en) | 2011-04-13 | 2011-04-13 | Inert gas protection method and apparatus for self-heating high temperature compression quenching experiment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110092544 CN102252900B (en) | 2011-04-13 | 2011-04-13 | Inert gas protection method and apparatus for self-heating high temperature compression quenching experiment |
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| Publication Number | Publication Date |
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| CN102252900A CN102252900A (en) | 2011-11-23 |
| CN102252900B true CN102252900B (en) | 2013-10-30 |
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| CN104614229B (en) * | 2015-01-15 | 2017-08-25 | 燕山大学 | A kind of device heated in heat simulating tester to nonmetallic materials sample |
| CN105181440B (en) * | 2015-09-14 | 2018-11-27 | 河南科技大学 | Lateral hot extrusion protective device and the hot modeling test machine using the device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201442966U (en) * | 2009-07-03 | 2010-04-28 | 山东荣泰电炉制造有限公司 | Thin-wall stainless steel tube solid solution heat treatment device |
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| CN100455866C (en) * | 2006-03-13 | 2009-01-28 | 甘国工 | Pipeline of polar polymer and poleless polymer composing with metal reinforcement |
| CN2915877Y (en) * | 2006-04-24 | 2007-06-27 | 魏锦铭 | Gas-protective quenching furnace |
| JP5554886B2 (en) * | 2007-01-09 | 2014-07-23 | 中国電力株式会社 | Creep test method and test body manufacturing method |
| JP5160489B2 (en) * | 2009-03-25 | 2013-03-13 | 住友金属テクノロジー株式会社 | High pressure material strength test equipment |
| CN202018402U (en) * | 2011-04-13 | 2011-10-26 | 河南科技大学 | Inert gas protection device for self-heating high-temperature compression quenching experiments |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201442966U (en) * | 2009-07-03 | 2010-04-28 | 山东荣泰电炉制造有限公司 | Thin-wall stainless steel tube solid solution heat treatment device |
Non-Patent Citations (2)
| Title |
|---|
| LabVIEW RT在多任务控制系统中的应用;苏海龙;《电子质量》;20041231(第04期);第21－23页 * |
| 苏海龙.LabVIEW RT在多任务控制系统中的应用.《电子质量》.2004,(第04期),21－23页. |
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