CN105424530A - Thermal shock test device of coating - Google Patents
Thermal shock test device of coating Download PDFInfo
- Publication number
- CN105424530A CN105424530A CN201510860030.4A CN201510860030A CN105424530A CN 105424530 A CN105424530 A CN 105424530A CN 201510860030 A CN201510860030 A CN 201510860030A CN 105424530 A CN105424530 A CN 105424530A
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- Prior art keywords
- thermal shock
- suspension rod
- cabinet
- shock test
- coating
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/60—Investigating resistance of materials, e.g. refractory materials, to rapid heat changes
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses a thermal shock test device of a coating. The coating thermal shock test device comprises a bottom cabinet, a water tank, a bracket, a wire stranding box, a wire stranding device, a heating box, a test sample hanging rod and a steel wire rope, wherein the water tank is mounted in the bottom cabinet; the bracket is fixedly connected onto the bottom cabinet; a U-shaped bearing is mounted on the bracket; the wire stranding box is mounted on one side of the bracket; the wire stranding device is mounted in the wire stranding box; a steel wire rope is wound on the wire stranding device; the steel wire rope is wound around the U-shaped bearing to be connected with the test sample hanging rod; and the heating box mounted on the bottom cabinet is arranged under the test sample hanging rod. The surface of a test sample is heated by a high-temperature furnace and then the test sample is moved to cold water to be cooled; and the process is repeatedly and circularly carried out to evaluate the combining capacity of the coating and a base body and the cold and heat impact resisting capabilities of the coating.
Description
Technical field
The present invention relates to experiment detection technique, particularly relate to a kind of coating thermal shock test rigs.
Background technology
Adopting the sufacings such as thermal spray, built-up welding, cladding at heated component surface preparation thermal protection coat, is the effective means improving parts reliable serviceable life.Adopt high-performance coating both can improve the thermal fatigue property on surface, the working temperature of matrix can be reduced again, play the effect that solar heat protection is heat insulation, be applicable to the parts that the turbo blade of Aero-Space engine, the cylinder head of vehicular engine, piston, intake and exhaust pipeline and hot forged mould, roll etc. bear high temperature, high pressure load condition.
Surface heat fatigue behaviour and heat-proof quality are the important indexs of two of thermal protection coating.Surface heat fatigue refers to that material surface is subject to cold cycling effect, and surface temperature change causes material expansion or contraction to be obstructed, and produce thermal stress, and material damages under the ringing of thermal stress, forms surface crack and causes coating shedding.
In order to solve the Study on Problems that aircraft coating in use comes off, a kind of coating thermal shock test equipment need be had to detect protective coating so that the research of problem in research process.
Summary of the invention
In order to solve the problems of the technologies described above, the present invention aims to provide a kind of coating thermal shock test rigs.
The present invention is achieved by following technical solution:
A kind of coating thermal shock test rigs, comprise base cabinet, water tank, support, Wire twisting box, wire twister, heating cabinet, sample suspension rod, wire rope, described water tank is arranged in base cabinet, described support is cemented on base cabinet, support is provided with U-shaped bearing, and support side is provided with Wire twisting box, in Wire twisting box, wire twister is installed, wire twister is wound with wire rope, and wire rope is walked around U-shaped bearing and is connected with sample suspension rod, for being arranged on the heating cabinet on base cabinet below sample suspension rod.
Described base cabinet upper end center is provided with through hole, is provided with hub cap under through hole, is provided with heating cabinet holder around through hole on four of base cabinet upper surface diagonal angles by bolt hole.
Described hub cap is positioned at below through hole by rotating shaft, and the other end of hub cap is provided with hub cap stator, and hub cap stator is fixed on the below of base cabinet upper end by stator rotating shaft.
Described heating cabinet inwall is inlayed and is provided with heater strip, and upper end is provided with blanking cover, and upper blanking cover center is provided with suspension rod entrance, and suspension rod entrance side is also provided with 3 apertures, is provided with thermopair in aperture.
Described test specimen suspension rod has size, 6 holes for hoist that spacing is identical, test specimen suspension rod upper end is also consolidated with steel wire rope connector, and connector upper end has wire rope connecting hole.
Described water tank upper end is unlimited.
Described base cabinet side is provided with cabinet door.
The invention has the beneficial effects as follows:
Compared with prior art, a kind of coating thermal shock test rigs provided by the invention, by high temperature furnace heating sample surface, then sample is moved in cold water and cool, iterative cycles carries out, evaluate the ability that the binding ability of coating and matrix and coating cold-and-heat resistent impact, the process that coating material is researched and developed is detected to correct and is improved.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present invention;
Fig. 2 is sample hanging rod structure figure of the present invention;
Fig. 3 is upper press cover vertical view of the present invention;
Fig. 4 is that upper press cover A-A of the present invention is to sectional view;
Fig. 5 is heating cabinet structural drawing of the present invention;
Fig. 6 is the structural drawing of spiral cover of the present invention;
Fig. 7 is base cabinet upper end surface structure figure of the present invention;
Fig. 8 is the structural drawing of heating cabinet holder of the present invention.
In figure: 1-base cabinet, 2-water tank, 3-support, 4-Wire twisting box, 5-wire twister, 6-heating cabinet, 61-heater strip, 7-sample suspension rod, 71-steel wire rope connector, 72-wire rope connecting hole, 73-hole for hoist, 8-wire rope, 9-upper press cover, 91-suspension rod entrance, 92-aperture, 10-U profile shaft holds, 11-through hole, 12-cabinet door, 13-heating cabinet holder, 131-bolt hole, 14-hub cap, 141-hub cap stator, the rotating shaft of 142-stator, 143-rotating shaft.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described further, but described in required protection domain is not limited to;
As shown in the figure, a kind of coating thermal shock test rigs provided by the invention, comprise base cabinet 1, water tank 2, support 3, Wire twisting box 4, wire twister 5, heating cabinet 6, sample suspension rod 7, wire rope 8, described water tank 2 is arranged in base cabinet 1, described support 3 is cemented on base cabinet 1, support 3 is provided with U-shaped bearing 10, support 3 side is provided with Wire twisting box 4, wire twister 5 is installed in Wire twisting box 4, wire twister 5 is wound with wire rope 8, wire rope 8 is walked around U-shaped bearing 10 and is connected with sample suspension rod 7, for being arranged on the heating cabinet on base cabinet 1 below sample suspension rod 7.
Described base cabinet 1 upper end center is provided with through hole 11, and through hole is provided with hub cap 14 11 times, is provided with heating cabinet holder 13 around through hole 11 on four diagonal angles of base cabinet 1 upper surface by bolt hole 131.Can quick-detachment, installation heating cabinet 6 by heating cabinet holder 13.
Described hub cap 14 is positioned at below through hole 11 by rotating shaft 143, and the other end of hub cap 143 is provided with hub cap stator 141, and hub cap stator 141 is fixed on the below of base cabinet 1 upper end by stator rotating shaft 142.Facilitate closing and facilitating sample suspension rod 7 to enter water tank 2. of heating cabinet 6
Described heating cabinet 6 inwall is inlayed and is provided with heater strip 61, and upper end is provided with blanking cover 9, and upper blanking cover 9 center is provided with suspension rod entrance 91, and suspension rod entrance 91 side is also provided with 3 apertures 92, is provided with thermopair in aperture 92.The temperature in heating cabinet 6 is made to be convenient to control.
Described test specimen suspension rod 7 has size, 6 holes for hoist 73 that spacing is identical, test specimen suspension rod 7 upper end is also consolidated with steel wire rope connector 71, and connector 71 upper end has wire rope connecting hole 72.
Described water tank 2 upper end is unlimited.
Described base cabinet 1 side is provided with cabinet door 12.
The use step of device is:
1, sample is installed
From sample suspension rod low side, by hole for hoist 73, penetrate Nie Chrome silk, respectively hang a slice sample at its two ends.Once can hang 16.
2, thermopair is installed
Three thermopairs, by the aperture hole 92 on blanking cover on heating furnace 9, enter heating furnace 6, after position is adjusted, are tied up by the compensating wire of galvanic couple on testing machine support 3, with stationary heat galvanic couple.
3, test
The upper blanking cover 9 of heating furnace and hub cap 14 are built by 3.1, start-up temperature switch board, heat up, treat that three sections of temperature reach test temperature, be incubated in required time.
Sample suspension rod 7 is put into heating furnace by 3.2, ensures that sample is placed within the relative distance of three sections of galvanic couples, rises to after test temperature, be incubated to official hour until temperature.
3.3, to temperature retention time, open hub cap 14, rapidly sample suspension rod are put into water tank 2, after cool time, top the lifts, and observe the destroyed situations such as the cracking of coating, namely complete once hot and cold circulation.
3.4 top the lifts in stove, repeat 3.2 ~ 3.3 processes, to complete hot and cold circulation next time.
Claims (7)
1. a coating thermal shock test rigs, comprise base cabinet (1), water tank (2), support (3), Wire twisting box (4), wire twister (5), heating cabinet (6), sample suspension rod (7), wire rope (8), it is characterized in that: described water tank (2) is arranged in base cabinet (1), described support (3) is cemented on base cabinet (1), support (3) is provided with U-shaped bearing (10), support (3) side is provided with Wire twisting box (4), wire twister (5) is installed in Wire twisting box (4), wire twister (5) is wound with wire rope (8), wire rope (8) is walked around U-shaped bearing (10) and is connected with sample suspension rod (7), sample suspension rod (7) below is for being arranged on the heating cabinet on base cabinet (1).
2. a kind of coating thermal shock test rigs according to claim 1, it is characterized in that: described base cabinet (1) upper end center is provided with through hole (11), be provided with hub cap (14) under through hole (11), through hole (11) is provided with heating cabinet holder (13) by bolt hole (131) around on four diagonal angles of base cabinet (1) upper surface.
3. a kind of coating thermal shock test rigs according to claim 2, it is characterized in that: described hub cap (14) is positioned at through hole (11) below by rotating shaft (143), the other end of hub cap (143) is provided with hub cap stator (141), and hub cap stator (141) is fixed on the below of base cabinet (1) upper end by stator rotating shaft (142).
4. a kind of coating thermal shock test rigs according to claim 1, it is characterized in that: described heating cabinet (6) inwall is inlayed and is provided with heater strip (61), upper end is provided with blanking cover (9), upper blanking cover (9) center is provided with suspension rod entrance (91), suspension rod entrance (91) side is also provided with 3 apertures (92), and aperture is provided with thermopair in (92).
5. a kind of coating thermal shock test rigs according to claim 1, it is characterized in that: described test specimen suspension rod (7) has size, 6 holes for hoist (73) that spacing is identical, test specimen suspension rod (7) upper end is also consolidated with steel wire rope connector (71), and connector (71) upper end has wire rope connecting hole (72).
6. a kind of coating thermal shock test rigs according to claim 1, is characterized in that: described water tank (2) upper end is unlimited.
7. a kind of coating thermal shock test rigs according to claim 1, is characterized in that: described base cabinet (1) side is provided with cabinet door (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510860030.4A CN105424530A (en) | 2015-11-30 | 2015-11-30 | Thermal shock test device of coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510860030.4A CN105424530A (en) | 2015-11-30 | 2015-11-30 | Thermal shock test device of coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105424530A true CN105424530A (en) | 2016-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510860030.4A Pending CN105424530A (en) | 2015-11-30 | 2015-11-30 | Thermal shock test device of coating |
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| CN (1) | CN105424530A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679424A (en) * | 2016-12-14 | 2017-05-17 | 中国航空工业集团公司北京航空材料研究院 | Full-automatic high-temperature thermal shock test furnace |
| CN108204994A (en) * | 2018-01-17 | 2018-06-26 | 长沙理工大学 | A kind of material thermal shock resistance examination test device of superhigh temperature controlled atmosphere |
| CN109283085A (en) * | 2018-11-26 | 2019-01-29 | 燕山大学 | A kind of coating material thermal shock resistance properties test experience device and its experiment auxiliary device |
| CN109443901A (en) * | 2018-12-10 | 2019-03-08 | 国网江苏省电力有限公司电力科学研究院 | A kind of glass insulator thermal shock test equipment |
| CN114136594A (en) * | 2021-10-20 | 2022-03-04 | 中国航发四川燃气涡轮研究院 | Turbine blade thermal shock test device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679424A (en) * | 2016-12-14 | 2017-05-17 | 中国航空工业集团公司北京航空材料研究院 | Full-automatic high-temperature thermal shock test furnace |
| CN106679424B (en) * | 2016-12-14 | 2018-08-28 | 中国航空工业集团公司北京航空材料研究院 | A kind of Full-automatic high-temperature thermal shock test stove |
| CN108204994A (en) * | 2018-01-17 | 2018-06-26 | 长沙理工大学 | A kind of material thermal shock resistance examination test device of superhigh temperature controlled atmosphere |
| CN109283085A (en) * | 2018-11-26 | 2019-01-29 | 燕山大学 | A kind of coating material thermal shock resistance properties test experience device and its experiment auxiliary device |
| CN109443901A (en) * | 2018-12-10 | 2019-03-08 | 国网江苏省电力有限公司电力科学研究院 | A kind of glass insulator thermal shock test equipment |
| CN114136594A (en) * | 2021-10-20 | 2022-03-04 | 中国航发四川燃气涡轮研究院 | Turbine blade thermal shock test device |
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Application publication date: 20160323 |
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| RJ01 | Rejection of invention patent application after publication |