CN203688385U - Thermal shock and thermal fatigue test platform - Google Patents
Thermal shock and thermal fatigue test platform Download PDFInfo
- Publication number
- CN203688385U CN203688385U CN201320801182.3U CN201320801182U CN203688385U CN 203688385 U CN203688385 U CN 203688385U CN 201320801182 U CN201320801182 U CN 201320801182U CN 203688385 U CN203688385 U CN 203688385U
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- tilt cylinder
- test
- worktable
- main shaft
- thermal shock
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- 230000035939 shock Effects 0.000 title claims abstract description 21
- 238000009661 fatigue test Methods 0.000 title abstract 4
- 238000012360 testing method Methods 0.000 claims abstract description 73
- 239000000498 cooling water Substances 0.000 claims abstract description 25
- 239000007921 spray Substances 0.000 claims abstract description 14
- 238000009413 insulation Methods 0.000 claims description 31
- 238000005096 rolling process Methods 0.000 claims description 31
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 208000025599 Heat Stress disease Diseases 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 12
- 239000000779 smoke Substances 0.000 claims description 9
- 238000005253 cladding Methods 0.000 claims description 4
- 239000002826 coolant Substances 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 4
- 239000010425 asbestos Substances 0.000 claims description 3
- 229910052895 riebeckite Inorganic materials 0.000 claims description 3
- 238000011160 research Methods 0.000 abstract description 12
- 238000001816 cooling Methods 0.000 abstract description 8
- 238000004088 simulation Methods 0.000 abstract description 7
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 238000002485 combustion reaction Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a thermal shock and thermal fatigue test platform, belonging to the technical field of test articles. The thermal shock and thermal fatigue test platform comprises a test box, mounted bearings, a connecting shaft, a gas spray head, a gas pipe, a mounted bearing I, a main shaft, main shaft tilt cylinders, a tilt cylinder bracket, a bracket, a bearing bracket, a cooling water pipe, a cooling water nozzle, a flange, a workbench, a tilt cylinder, a range hood, mounted bearings II, fixtures, heat insulating flanges I and heat insulating flanges II. Two test pieces which are in a heating state and a cooling state respectively can be tested at the same time. The two test pieces are overturned upside down or by any angles under the driving actions of the two tilt cylinders respectively, so that the top parts and bottom parts of the test pieces are exchanged. Meanwhile, the two test pieces are driven to rotate together with the workbench under the driving actions of the main shaft tilt cylinders in order to exchange stations. The thermal shock and thermal fatigue test platform is simple, practical and high in working efficiency. During simulation test research of thermal shock and thermal fatigue of heated parts, not only is the test cost saved, but also the development periods of relevant parts are shortened greatly.
Description
Technical field
The utility model relates to the test platform of a kind of thermal shock and heat fatigue, and particularly a kind of test platform that is applied to internal combustion engine, cylinder cap, gas outlet, turbine, cylinder sleeve and other mechanical heated component intensity examination, 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, the thermal load of cylinder sleeve and other mechanical heated component and hot strength problem 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.
Be subject to thermal shock (fatigue) research to mainly contain three kinds of modes to piston, cylinder cap, gas outlet, turbine, cylinder sleeve and other mechanical heated component etc. at present: the one, carry out finite element simulation research, the one, directly carry out overall test research, the one, carry out simulation test research.The accuracy of finite element simulation research depends critically upon the accuracy of boundary condition, and boundary condition needs to obtain by testing, the mechanism of production that finite element simulation research can not accurate response thermal shock (fatigue) in addition; Overall test is long 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 is wide, is a kind of effectively research means.
Summary of the invention
The technical problems to be solved in the utility model is: a kind of test platform that is applied to internal combustion engine, cylinder cap, gas outlet, turbine, cylinder sleeve and other mechanical heated component intensity examination is provided, and simple in structure, practical, work efficiency is high.
Technical solutions of the utility model are: 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, 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, the interior middle upper portion of support 10 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 all links 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, under the right side fixture 20 of test casing 1 bottom, be provided with cooling water nozzle 13, cooling water nozzle 13 is connected with cooling water pipe 12, under test casing 1 lower left side fixture 20, be provided with gas spray head 4, 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 parts are provided with two pipe outlet holes 26 that supply tilt cylinder gas source pipe and sensor connecting line to pass through, and conveniently tilt cylinder gas source pipe and sensor connecting line are arranged.
Described worktable 15 left and right sides are respectively equipped with coolant outlet hole 25, and what make to drip and be scattered when cooling cooling water flow out of.
Under described worktable 15 two fixtures 20 in the left and right sides, be respectively equipped with station groove 23, while making test specimen and fixture upset or rotation unspecified angle, do not interfere with other parts, be provided with back-up ring 24 at station groove 23 edges, prevent that chilled water from impacting heating.
Between described flange 14 and worktable 15, be provided with heat insulation asbestos, 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, and opening, on one side, prevents that chilled water from impacting other parts, plays water proof.
Use procedure of the present utility model is: test platform can be tested two test specimens simultaneously, and one 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 tops of heating station downwards, bottom upwards, test specimen 19 tops of cooling station are upwards, bottom is downward.
When test, when reaching the adding after heat request and cooling requirement of setting, main shaft tilt cylinder 8 drives main shaft 7 and worktable 15 to be rotated in the forward certain angle, makes test specimen 19 exchange heating station and cooling station; Meanwhile, two tilt cylinders 16 on worktable 15 are driven heat insulation flange I 21 and heat insulation flange II 22, fixture 20, test specimen 19 forward upsets or are rotated to an angle by coupling shaft 3 respectively, make the top and bottom switch of test specimen, main shaft tilt cylinder 8 and tilt cylinder 16 can be realized upset or rotation unspecified angle.
Once work upper, when test reaches adding after heat request and cooling requirement of setting, main shaft tilt cylinder 8 drives main shaft 7 and worktable 15 retrograde rotation certain angles, makes test specimen again exchange heating station and cooling station; Meanwhile, the tilt cylinder 16 on worktable 15 drives respectively fixture 20 and the reverse upset of test specimen 19 or rotates to an angle, and makes the top and bottom switch again of test specimen, constantly circulates, until arrive the cycle index of setting with this.
The beneficial effects of the utility model are: this experiment porch is simple, practical, work efficiency is high, in the time of piston, cylinder cap, gas outlet, turbine, cylinder sleeve and other mechanical heated component thermal shock (fatigue) simulation test research, can test two groups of test specimens simultaneously, not only save testing expenses, also shortened greatly the R&D cycle of related components.
Accompanying drawing explanation
Fig. 1 is the utility model test-bed structural representation;
Fig. 2 is the utility model connecting axle structure schematic diagram;
Fig. 3 is the utility model table plane structural representation.
Each label: 1-test casing in Fig. 1-3,2-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-pipe outlet hole, 27-cladding plate.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
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, 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, the interior middle upper portion of support 10 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 all links 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, under the right side fixture 20 of test casing 1 bottom, be provided with cooling water nozzle 13, cooling water nozzle 13 is connected with cooling water pipe 12, under test casing 1 lower left side fixture 20, be provided with gas spray head 4, 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, 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, the interior middle upper portion of support 10 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 all links 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, under the right side fixture 20 of test casing 1 bottom, be provided with cooling water nozzle 13, cooling water nozzle 13 is connected with cooling water pipe 12, under test casing 1 lower left side fixture 20, be provided with gas spray head 4, 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 parts are provided with two pipe outlet holes 26 that supply tilt cylinder gas source pipe and sensor connecting line to pass through, described worktable 15 left and right sides are respectively equipped with coolant outlet hole 25, under described worktable 15 two fixtures 20 in the left and right sides, be respectively equipped with station groove 23, be provided with back-up ring 24 at station groove 23 edges, between described flange 14 and worktable 15, be provided with heat insulation asbestos, described coupling shaft 3 is provided with the convex shoulder of three projections, one of them is disk-shaped structure, and opening is on one side.
By reference to the accompanying drawings specific embodiment of the utility model is explained in detail above, but the utility model is not limited to above-described embodiment, in the ken possessing those of ordinary skills, can also under the prerequisite that does not depart from the utility model aim, make various variations.
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), the interior middle upper portion of support (10) 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) all links 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), under the right side fixture (20) of test casing (1) bottom, be provided with cooling water nozzle (13), cooling water nozzle (13) is connected with cooling water pipe (12), under test casing (1) lower left side fixture (20), be provided with gas spray head (4), 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 the pipe outlet holes (26) that supply tilt cylinder gas source pipe and sensor connecting line to pass through.
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: under described worktable (15) two fixtures in the left and right sides (20), be respectively equipped with station groove (23), 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: between described flange (14) and worktable (15), be provided with heat insulation asbestos.
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, and opening is on one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320801182.3U CN203688385U (en) | 2013-12-09 | 2013-12-09 | Thermal shock and thermal fatigue test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320801182.3U CN203688385U (en) | 2013-12-09 | 2013-12-09 | Thermal shock and thermal fatigue test platform |
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| Publication Number | Publication Date |
|---|---|
| CN203688385U true CN203688385U (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320801182.3U Expired - Lifetime CN203688385U (en) | 2013-12-09 | 2013-12-09 | Thermal shock and thermal fatigue test platform |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103674753A (en) * | 2013-12-09 | 2014-03-26 | 昆明理工大学 | Test platform for thermal shock and thermal fatigue |
| 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 |
| CN109991028A (en) * | 2019-04-28 | 2019-07-09 | 南京工业大学 | Spray cooling experiment table and method for simultaneously realizing vibration and swing working conditions |
| CN114923696A (en) * | 2022-03-30 | 2022-08-19 | 中国民用航空飞行学院 | Unmanned aerial vehicle micro turbojet engine measurement and control console and measurement and control method |
-
2013
- 2013-12-09 CN CN201320801182.3U patent/CN203688385U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103674753A (en) * | 2013-12-09 | 2014-03-26 | 昆明理工大学 | Test platform for thermal shock and thermal fatigue |
| CN103674753B (en) * | 2013-12-09 | 2015-12-23 | 昆明理工大学 | The test platform of a kind of thermal shock and heat fatigue |
| 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 |
| CN109991028A (en) * | 2019-04-28 | 2019-07-09 | 南京工业大学 | Spray cooling experiment table and method for simultaneously realizing vibration and swing working conditions |
| CN114923696A (en) * | 2022-03-30 | 2022-08-19 | 中国民用航空飞行学院 | Unmanned aerial vehicle micro turbojet engine measurement and control console and measurement and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140702 Effective date of abandoning: 20151223 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140702 Effective date of abandoning: 20151223 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |