CN103674753B - The test platform of a kind of thermal shock and heat fatigue - Google Patents
The test platform of a kind of thermal shock and heat fatigue Download PDFInfo
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- CN103674753B CN103674753B CN201310657279.6A CN201310657279A CN103674753B CN 103674753 B CN103674753 B CN 103674753B CN 201310657279 A CN201310657279 A CN 201310657279A CN 103674753 B CN103674753 B CN 103674753B
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Abstract
The present invention relates to the test platform of a kind of thermal shock and heat fatigue, belong to test articles for use technical field.The present invention includes test casing, rolling bearing units, coupling shaft, gas spray head, Gas Pipe, rolling bearing units I, main shaft, main shaft tilt cylinder, tilt cylinder support, support, bearing bridge, cooling water pipe, cooling water nozzle, flange, worktable, tilt cylinder, smoke exhaust ventilator, rolling bearing units II, fixture, heat insulation flange I, heat insulation flange II, two test specimens can be tested simultaneously, one in heating, another is cooling, two test specimens spin upside down or unspecified angle under the drive respectively of two tilt cylinders, make test specimen top and bottom switch, two test specimens rotate exchange station with worktable under the drive of main shaft tilt cylinder simultaneously.The present invention is simple, practical, work efficiency is high, has not only saved testing expenses, also shorten the R&D cycle of related components greatly when heated component thermal shock and the research of heat fatigue simulation test.
Description
Technical field
The present invention relates to the test platform of a kind of thermal shock and heat fatigue, particularly a kind of test platform being applied to internal combustion engine, cylinder cap, gas outlet, turbine, cylinder sleeve and other mechanical heated component intensity and examining, belongs to test articles for use technical field.
Background technology
Along with the raising of internal combustion engine reinforcing degree, especially the using and develop of the reinforcement technique such as supercharging, internal combustion engine, cylinder cap, gas outlet, turbine, the working environment of cylinder sleeve and other mechanical heated component goes from bad to worse, if and not at material, design, it is improper that the aspects such as processing technology are improved accordingly or improved, piston, cylinder cap, gas outlet, turbine, thermal load and the hot strength problem of cylinder sleeve and other mechanical heated component will become increasingly conspicuous, badly influence reliability and the permanance of complete machine, therefore need to strengthen piston, cylinder cap, gas outlet, turbine, thermal shock (fatigue) research of cylinder sleeve and other mechanical heated component.
At present three kinds of modes are mainly contained to heat-shock (fatigue) researchs such as piston, cylinder cap, gas outlet, turbine, cylinder sleeve and other mechanical heated components: one is carry out finite element simulation research, one is directly carry out overall test research, and one is carry out simulation test research.The accuracy of finite element simulation research depends critically upon the accuracy of boundary condition, and boundary condition then needs to obtain by testing, and finite element simulation research can not the mechanism of production of accurate response thermal shock (fatigue) in addition; Overall test is long for research cycle, and cost is high, can not practical requirement; Simulation test research accuracy is high, the cycle is short, it is low to expend, applicability wide, is a kind of effective research means.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of test platform being applied to internal combustion engine, cylinder cap, gas outlet, turbine, cylinder sleeve and other mechanical heated component intensity and examining, structure is simple, practical, work efficiency is high.
Technical solution of the present invention is: the test platform of a kind of thermal shock and heat fatigue, comprises test casing 1, rolling bearing units 2, coupling shaft 3, gas spray head 4, Gas Pipe 5, rolling bearing units I 6, main shaft 7, main shaft tilt cylinder 8, tilt cylinder support 9, support 10, bearing bridge 11, cooling water pipe 12, cooling water nozzle 13, flange 14, worktable 15, tilt cylinder 16, smoke exhaust ventilator 17, rolling bearing units II 18, fixture 20, heat insulation flange I 21, heat insulation flange II 22, in described test casing 1, middle part is provided with worktable 15, its top is provided with smoke exhaust ventilator 17, the middle part of test casing 1 bottom is provided with support 10 from top to bottom successively, bearing bridge 11, rolling bearing units I 6, in support 10, middle upper portion is provided with main shaft tilt cylinder 8 and tilt cylinder support 9, main shaft tilt cylinder 8 is arranged on tilt cylinder support 9, tilt cylinder support 9 and bearing bridge 11 are fixed over the mount 10 by bolt and nut, rolling bearing units 6 are arranged on bearing bridge 11, main shaft tilt cylinder 8 is connected with main shaft 7, worktable 15 is connected with main shaft 7 by flange 14, worktable 15 comprises left and right two parts, the middle part of left part is provided with fixture 20, centered by fixture 20, the left side is from left to right provided with rolling bearing units 2 successively, heat insulation flange II 22, heat insulation flange I 21, centered by fixture 20, the right is from left to right provided with heat insulation flange I 21 successively, heat insulation flange II 22, rolling bearing units II 18, tilt cylinder 16, test specimen 19 is fixed on fixture 20, equipment on worktable 15 is all linked together by coupling shaft 3, the right-hand component of worktable 15 and left-hand component are evenly arranged symmetrical distribution centered by tilt cylinder 16, cooling water nozzle 13 is provided with immediately below the right side fixture 20 of test casing 1 bottom, cooling water nozzle 13 is connected with cooling water pipe 12, gas spray head 4 is provided with immediately below test casing 1 lower left side fixture 20, gas spray head 4 is connected with Gas Pipe 5.
The outward flange of described worktable 15 has wrapped up one deck cladding plate 27 to strengthen the strength and stiffness of worktable 15.
Described worktable 15 middle part is provided with two tube outlet openings 26 passed through for tilt cylinder gas source pipe and sensor connect lines, conveniently arranges tilt cylinder gas source pipe and sensor connect lines.
Described worktable 15 left and right sides is respectively equipped with coolant outlet hole 25, make to drip cooling time be scattered cooling water flow out of.
Be respectively equipped with station groove 23 immediately below two fixtures 20 in described worktable 15 left and right sides, do not interfere with other parts when making test specimen and fixture upset or rotate unspecified angle, be provided with back-up ring 24 at station groove 23 edge, prevent chilled water from impacting heating.
Be provided with heat insulation asbestos between described flange 14 and worktable 15, minimizing or isolated temperature pass to main shaft 7.
Described coupling shaft 3 is provided with the convex shoulder of three projections, and one of them is disk-shaped structure, opening to, prevent chilled water from impacting other parts, play water proof.
Use procedure of the present invention is: test platform can test two test specimens simultaneously, and one is heated at heating station, and another is cooled at cooling station simultaneously.Before test, first test specimen 19 is separately fixed on two fixtures 20; Test specimen 19 top of heating station downwards, bottom upwards, test specimen 19 top of cooling station is upwards, bottom is downward.
During test, after the heating requirements and cooling that reach setting require, main shaft tilt cylinder 8 drives main shaft 7 and worktable 15 to rotate forward certain angle, makes test specimen 19 exchange heating station and cooling station; Meanwhile, two tilt cylinders 16 on worktable 15 drive heat insulation flange I 21 and heat insulation flange II 22, fixture 20, the upset of test specimen 19 forward respectively by coupling shaft 3 or rotate to an angle, make the top and bottom switch of test specimen, main shaft tilt cylinder 8 and tilt cylinder 16 can realize upset or rotate unspecified angle.
Once work upper, after test reaches the heating requirements of setting and cooling requires, main shaft tilt cylinder 8 drives main shaft 7 and worktable 15 retrograde rotation certain angle, makes test specimen again exchange heating station and cooling station; Meanwhile, the tilt cylinder 16 on worktable 15 drives fixture 20 and the reverse upset of test specimen 19 respectively or rotates to an angle, and makes the top and bottom switch again of test specimen, constantly circulates with this, until arrive the cycle index of setting.
The invention has the beneficial effects as follows: this experiment porch is simple, practical, work efficiency is high, piston, cylinder cap, gas outlet, turbine, cylinder sleeve and other mechanical heated component thermal shock (fatigue) simulation test research time can test two groups of test specimens simultaneously, not only save testing expenses, also shorten the R&D cycle of related components greatly.
Accompanying drawing explanation
Fig. 1 is test-bed structural representation of the present invention;
Fig. 2 is connecting axle structure schematic diagram of the present invention;
Fig. 3 is table plane structural representation of the present invention.
In Fig. 1-3, each label: 1-tests casing, 2-rolling bearing units, 3-coupling shaft, 4-gas spray head, 5-Gas Pipe, 6-rolling bearing units I, 7-main shaft, 8-main shaft tilt cylinder, 9-tilt cylinder support, 10-support, 11-bearing bridge, 12-cooling water pipe, 13-cooling water nozzle, 14-flange, 15-worktable, 16-tilt cylinder, 17-smoke exhaust ventilator, 18-rolling bearing units II, 19-test specimen, 20-fixture, 21-heat insulation flange I, 22-heat insulation flange II, 23-station groove, 24-back-up ring, 25-coolant outlet hole, 26-tube outlet openings, 27-cladding plate.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Embodiment 1: as Figure 1-3, a test platform for thermal shock and heat fatigue, comprises test casing 1, rolling bearing units 2, coupling shaft 3, gas spray head 4, Gas Pipe 5, rolling bearing units I 6, main shaft 7, main shaft tilt cylinder 8, tilt cylinder support 9, support 10, bearing bridge 11, cooling water pipe 12, cooling water nozzle 13, flange 14, worktable 15, tilt cylinder 16, smoke exhaust ventilator 17, rolling bearing units II 18, fixture 20, heat insulation flange I 21, heat insulation flange II 22, in described test casing 1, middle part is provided with worktable 15, its top is provided with smoke exhaust ventilator 17, the middle part of test casing 1 bottom is provided with support 10 from top to bottom successively, bearing bridge 11, rolling bearing units I 6, in support 10, middle upper portion is provided with main shaft tilt cylinder 8 and tilt cylinder support 9, main shaft tilt cylinder 8 is arranged on tilt cylinder support 9, tilt cylinder support 9 and bearing bridge 11 are fixed over the mount 10 by bolt and nut, rolling bearing units 6 are arranged on bearing bridge 11, main shaft tilt cylinder 8 is connected with main shaft 7, worktable 15 is connected with main shaft 7 by flange 14, worktable 15 comprises left and right two parts, the middle part of left part is provided with fixture 20, centered by fixture 20, the left side is from left to right provided with rolling bearing units 2 successively, heat insulation flange II 22, heat insulation flange I 21, centered by fixture 20, the right is from left to right provided with heat insulation flange I 21 successively, heat insulation flange II 22, rolling bearing units II 18, tilt cylinder 16, test specimen 19 is fixed on fixture 20, equipment on worktable 15 is all linked together by coupling shaft 3, the right-hand component of worktable 15 and left-hand component are evenly arranged symmetrical distribution centered by tilt cylinder 16, cooling water nozzle 13 is provided with immediately below the right side fixture 20 of test casing 1 bottom, cooling water nozzle 13 is connected with cooling water pipe 12, gas spray head 4 is provided with immediately below test casing 1 lower left side fixture 20, gas spray head 4 is connected with Gas Pipe 5.
Embodiment 2: as Figure 1-3, a test platform for thermal shock and heat fatigue, comprises test casing 1, rolling bearing units 2, coupling shaft 3, gas spray head 4, Gas Pipe 5, rolling bearing units I 6, main shaft 7, main shaft tilt cylinder 8, tilt cylinder support 9, support 10, bearing bridge 11, cooling water pipe 12, cooling water nozzle 13, flange 14, worktable 15, tilt cylinder 16, smoke exhaust ventilator 17, rolling bearing units II 18, fixture 20, heat insulation flange I 21, heat insulation flange II 22, in described test casing 1, middle part is provided with worktable 15, its top is provided with smoke exhaust ventilator 17, the middle part of test casing 1 bottom is provided with support 10 from top to bottom successively, bearing bridge 11, rolling bearing units I 6, in support 10, middle upper portion is provided with main shaft tilt cylinder 8 and tilt cylinder support 9, main shaft tilt cylinder 8 is arranged on tilt cylinder support 9, tilt cylinder support 9 and bearing bridge 11 are fixed over the mount 10 by bolt and nut, rolling bearing units 6 are arranged on bearing bridge 11, main shaft tilt cylinder 8 is connected with main shaft 7, worktable 15 is connected with main shaft 7 by flange 14, worktable 15 comprises left and right two parts, the middle part of left part is provided with fixture 20, centered by fixture 20, the left side is from left to right provided with rolling bearing units 2 successively, heat insulation flange II 22, heat insulation flange I 21, centered by fixture 20, the right is from left to right provided with heat insulation flange I 21 successively, heat insulation flange II 22, rolling bearing units II 18, tilt cylinder 16, test specimen 19 is fixed on fixture 20, equipment on worktable 15 is all linked together by coupling shaft 3, the right-hand component of worktable 15 and left-hand component are evenly arranged symmetrical distribution centered by tilt cylinder 16, cooling water nozzle 13 is provided with immediately below the right side fixture 20 of test casing 1 bottom, cooling water nozzle 13 is connected with cooling water pipe 12, gas spray head 4 is provided with immediately below test casing 1 lower left side fixture 20, gas spray head 4 is connected with Gas Pipe 5.
The outward flange of described worktable 15 has wrapped up one deck cladding plate 27, described worktable 15 middle part is provided with two tube outlet openings 26 passed through for tilt cylinder gas source pipe and sensor connect lines, described worktable 15 left and right sides is respectively equipped with coolant outlet hole 25, station groove 23 is respectively equipped with immediately below two fixtures 20 in described worktable 15 left and right sides, back-up ring 24 is provided with at station groove 23 edge, heat insulation asbestos are provided with between described flange 14 and worktable 15, described coupling shaft 3 is provided with the convex shoulder of three projections, one of them is disk-shaped structure, opening to.
By reference to the accompanying drawings specific embodiments of the invention are explained in detail above, but the present invention is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from present inventive concept.
Claims (7)
1. the test platform of a thermal shock and heat fatigue, it is characterized in that: comprise test casing (1), rolling bearing units (2), coupling shaft (3), gas spray head (4), Gas Pipe (5), rolling bearing units I (6), main shaft (7), main shaft tilt cylinder (8), tilt cylinder support (9), support (10), bearing bridge (11), cooling water pipe (12), cooling water nozzle (13), flange (14), worktable (15), tilt cylinder (16), smoke exhaust ventilator (17), rolling bearing units II (18), fixture (20), heat insulation flange I (21), heat insulation flange II (22), the interior middle part of described test casing (1) is provided with worktable (15), its top is provided with smoke exhaust ventilator (17), the middle part of test casing (1) bottom is provided with support (10) from top to bottom successively, bearing bridge (11), rolling bearing units I (6), support (10) interior middle upper portion is provided with main shaft tilt cylinder (8) and tilt cylinder support (9), main shaft tilt cylinder (8) is arranged on tilt cylinder support (9), tilt cylinder support (9) and bearing bridge (11) are fixed on support (10) by bolt and nut, rolling bearing units (6) are arranged on bearing bridge (11), main shaft tilt cylinder (8) is connected with main shaft (7), worktable (15) is connected with main shaft (7) by flange (14), worktable (15) comprises left and right two parts, the middle part of left part is provided with fixture (20), centered by fixture (20), the left side is from left to right provided with rolling bearing units (2) successively, heat insulation flange II (22), heat insulation flange I (21), centered by fixture (20), the right is from left to right provided with heat insulation flange I (21) successively, heat insulation flange II (22), rolling bearing units II (18), tilt cylinder (16), test specimen (19) is fixed on fixture (20), equipment on worktable (15) is all linked together by coupling shaft (3), the right-hand component of worktable (15) and left-hand component are evenly arranged symmetrical distribution centered by tilt cylinder (16), cooling water nozzle (13) is provided with immediately below the right side fixture (20) of test casing (1) bottom, cooling water nozzle (13) is connected with cooling water pipe (12), gas spray head (4) is provided with immediately below test casing (1) lower left side fixture (20), gas spray head (4) is connected with Gas Pipe (5).
2. the test platform of thermal shock according to claim 1 and heat fatigue, is characterized in that: the outward flange of described worktable (15) has wrapped up one deck cladding plate (27).
3. the test platform of thermal shock according to claim 1 and heat fatigue, is characterized in that: described worktable (15) middle part is provided with two tube outlet openings (26) of passing through for tilt cylinder gas source pipe and sensor connect lines.
4. the test platform of thermal shock according to claim 1 and heat fatigue, is characterized in that: described worktable (15) left and right sides is respectively equipped with coolant outlet hole (25).
5. the test platform of thermal shock according to claim 1 and heat fatigue, is characterized in that: be respectively equipped with station groove (23) immediately below the fixture (20) of two, described worktable (15) left and right sides, be provided with back-up ring (24) at station groove (23) edge.
6. the test platform of thermal shock according to claim 1 and heat fatigue, is characterized in that: be provided with heat insulation asbestos between described flange (14) and worktable (15).
7. the test platform of thermal shock according to claim 1 and heat fatigue, is characterized in that: described coupling shaft (3) is provided with the convex shoulder of three projections, and one of them is disk-shaped structure, opening to.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310657279.6A CN103674753B (en) | 2013-12-09 | 2013-12-09 | The test platform of a kind of thermal shock and heat fatigue |
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| CN201310657279.6A CN103674753B (en) | 2013-12-09 | 2013-12-09 | The test platform of a kind of thermal shock and heat fatigue |
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| CN103674753A CN103674753A (en) | 2014-03-26 |
| CN103674753B true CN103674753B (en) | 2015-12-23 |
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| CN104354829B (en) * | 2014-10-20 | 2017-01-11 | 中国海洋大学 | Fatigue testing device of ocean platform |
| CN105651639B (en) * | 2016-03-24 | 2018-06-12 | 中国北方发动机研究所(天津) | A kind of inversion type Piston Thermal Fatigue Test device |
| CN106525444A (en) * | 2016-09-27 | 2017-03-22 | 南京航空航天大学 | Jet-engine-gas-based apparatus and method for thermal shock and thermal fatigue testing |
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| CN106441938A (en) * | 2016-11-10 | 2017-02-22 | 中国汽车技术研究中心 | Dynamic testing device for vehicle exhaust system |
| CN106769060A (en) * | 2016-12-08 | 2017-05-31 | 中国北方发动机研究所(天津) | A kind of rotatable thermal load test platform supporting mechanism |
| CN107490524B (en) * | 2017-07-04 | 2020-09-25 | 昆明理工大学 | Test platform for testing thermal fatigue characteristics of components under action of thermal shock load |
| CN107884165B (en) * | 2017-09-26 | 2019-07-05 | 昆明理工大学 | A kind of test platform of convertible thermal shock and heat fatigue |
| CN108426729A (en) * | 2018-03-27 | 2018-08-21 | 芜湖鸣人热能设备有限公司 | The detection work box of thermal hardware |
| CN109738322B (en) * | 2019-01-23 | 2021-06-22 | 重庆理工大学 | Electric iron heating type rapid thermal fatigue experimental device and experimental method |
| CN110579419B (en) * | 2019-08-28 | 2021-07-13 | 安徽江淮汽车集团股份有限公司 | Low cycle fatigue reliability test method and device |
| CN112730021B (en) * | 2020-11-30 | 2023-04-07 | 湘潭大学 | Vibration thermal shock coupling service working condition loading system and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101893536A (en) * | 2010-07-13 | 2010-11-24 | 浙江大学 | Heated structural member thermal shock and thermal fatigue test stand |
| CN101929935A (en) * | 2009-06-25 | 2010-12-29 | 中国科学院力学研究所 | Piston heat load test device and method |
| CN203688385U (en) * | 2013-12-09 | 2014-07-02 | 昆明理工大学 | Thermal shock and thermal fatigue test platform |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6153546A (en) * | 1984-08-24 | 1986-03-17 | Saginomiya Seisakusho Inc | Apparatus for testing thermal fatigue |
| JPH09196836A (en) * | 1996-01-23 | 1997-07-31 | Shimadzu Corp | Thermal fatigue testing machine |
-
2013
- 2013-12-09 CN CN201310657279.6A patent/CN103674753B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929935A (en) * | 2009-06-25 | 2010-12-29 | 中国科学院力学研究所 | Piston heat load test device and method |
| CN101893536A (en) * | 2010-07-13 | 2010-11-24 | 浙江大学 | Heated structural member thermal shock and thermal fatigue test stand |
| CN203688385U (en) * | 2013-12-09 | 2014-07-02 | 昆明理工大学 | Thermal shock and thermal fatigue test platform |
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Application publication date: 20140326 Assignee: The dynamo-electric Manufacturing Co., Ltd of Wuxi China star Assignor: Kunming University of Science and Technology Contract record no.: 2019320010014 Denomination of invention: Test platform for thermal shock and thermal fatigue Granted publication date: 20151223 License type: Exclusive License Record date: 20190404 |
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