CN201340372Y - Coating thermal-shock test equipment - Google Patents

Coating thermal-shock test equipment Download PDF

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Publication number
CN201340372Y
CN201340372Y CNU2009200785393U CN200920078539U CN201340372Y CN 201340372 Y CN201340372 Y CN 201340372Y CN U2009200785393 U CNU2009200785393 U CN U2009200785393U CN 200920078539 U CN200920078539 U CN 200920078539U CN 201340372 Y CN201340372 Y CN 201340372Y
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CN
China
Prior art keywords
control gear
cold wind
oxygen
coating
flame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CNU2009200785393U
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Chinese (zh)
Inventor
黄佳华
黄懿
胡国海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Chengfa Aviation Science & Technology Co Ltd
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Sichuan Chengfa Aviation Science & Technology Co Ltd
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Priority to CNU2009200785393U priority Critical patent/CN201340372Y/en
Application granted granted Critical
Publication of CN201340372Y publication Critical patent/CN201340372Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to coating thermal-shock test equipment, comprising a heating device, a cooling device, a manipulator, a sample mounting mechanism and a temperature collecting device; the heating device comprises a flame gun and a flame control mechanism; the flame control mechanism is connected with the flame gun by a pipe fitting; the cooling device comprises a cold air spraying pipe and a cold air control mechanism, the cold air spraying pipe is connected with the cold air control mechanism by a pipe fitting, and the flame gun and the cold air spraying pipe are arranged on the manipulator by a holding mechanism; the sample mounting mechanism comprises a sample collet and a cold air duct, the sample collet is fixed at one end of the cold air duct; the temperature collecting device comprises a temperature sensor and a computer which are connected; a collected temperature signal is converted into an electrical signal and is transmitted to the computer for analysis and recording. The coating thermal-shock test equipment can simulate the working condition of coating, according to test, heating and cooling are carried out to the coating, thereby being beneficial to improving the testing accuracy.

Description

Coating thermal shock test equipment
Technical field
The utility model belongs to the hot spray coating detection range, particularly a kind of thermal shock resistance properties checkout equipment of hot spray coating.
Background technology
In order to measure the thermal shock resistance properties of hot spray coating, need a kind ofly can carry out heating and cooling to coating (or comprising parts), and can control and monitor the equipment of heating-up temperature, heat time heating time and chilling temperature, cool time, to determine the ability of cold repeatedly/thermal cycle that coating can stand.
Heating furnace heating, air cooling or water-cooled are adopted in the conventional heat of coating, cold circulation, and so the testing coating performance is heated, cools off in circulation repeatedly.Though adopt heating furnace heating, air cooling or water-cooled equipment simple, heat time heating time is longer, temperature is comparatively fixing, and coating is in the metastable environment during heating, and is bigger with its real work environmental difference, influenced the accuracy that detects.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of coating thermal shock test equipment is provided, and this kind equipment not only can be simulated the coating working condition, according to detecting needs coating is carried out heating and cooling, and structure is comparatively simple.
Coating thermal shock test equipment described in the utility model comprises heating arrangement, cooling device, mechanical arm, sample installing mechanism and temperature collecting device.Heating arrangement comprises flame gun and flame control gear, the flame control gear is connected with flame gun by pipe fitting, cooling device comprises cold wind jet pipe and cold wind control gear, the cold wind jet pipe is connected with the cold wind control gear by pipe fitting, and described flame gun and cold wind jet pipe are installed on the mechanical arm by clamping device; The sample installing mechanism comprises sample chuck and cooling air duct, and the sample chuck is fixed on an end of cooling air duct; Temperature collecting device comprises temperature sensor and computing machine, and temperature sensor is connected with computing machine, the temperature signal that collects is transformed into electric signal sends Computer Analysis and record to.
In the said equipment, clamping device comprises support and connecting elements, and described support and connecting elements are connected.
In the said equipment, the flame control gear is made up of combustion gas control gear and oxygen control gear; The combustion gas control gear comprises gaseous-pressure table, gas control valve and gas meter, connects by pipe fitting between gaseous-pressure table, gas control valve, the gas meter; The oxygen control gear comprises oxygen gauge, oxygen regulating valve and oxygen flow meter, connects by pipe fitting between oxygen gauge, oxygen regulating valve, the oxygen flow meter.
In the said equipment, the cold wind control gear comprises gas filter and pressure regulator valve, and gas filter is connected by pipe fitting with pressure regulator valve.
Coating thermal shock test equipment described in the utility model, adopt burning gases that the coating sample is heated, adopt pressurized air to the cooling of blowing of coating sample, its operational process is: at first flame gun igniting, by the combustion gas control gear, the oxygen control gear is regulated combustion gas, oxygen flow is to obtain enough burning jets, mechanical arm moves to flame gun the heating location of sample then, utilize the burning jet heating coating surface (and to the subsidiary souring that gas-flow is arranged of coating) of flame gun, continue heating at the appointed time, make the coating surface temperature reach the temperature of (or surpassing) regulation, continue after mechanical arm move again, the cold wind jet pipe is moved to the sample cool position, utilize air-flow cooling coating, make the coating surface temperature be cooled to the temperature that is lower than regulation at the appointed time.Whether the certain number of times (as 500 or 1000 etc.) that so circulates repeatedly finally detects and meets the requirements after coating is impacted through cycling hot.In the whole process, the temperature variation of the omnidistance record of temperature collecting device coating surface.
The control of heating-up temperature is to be determined by the distance between the burning jet energy of flame gun and flame gun and the sample, the burning jet energy height of flame gun is the temperature height then, the burning jet energy of flame gun is low, and then temperature is low, the little then temperature of distance between flame gun and sample height, the distance between flame gun and the sample greatly then temperature is low.But, adopt the mode of the burning jet energy of regulating flame gun to control heating-up temperature (mxm.) usually with the fixed distance between flame gun and the sample.The control of chilling temperature realizes by the mode of regulating refrigerating gas pressure.The heating and cooling time is decided by flame gun and cold wind jet pipe in the time that sample heating location and cool position are stopped, and its control realizes by programming of mechanical arm.
The utlity model has following beneficial effect:
1, equipment described in the utility model has realized that the employing burning gases heat the coating sample, adopt pressurized air to the cooling of blowing of coating sample, thereby can in seconds coating be heated to greater than 1000 ℃, and subsidiary combustion gas scouring effect, can in seconds coating be cooled to be lower than 500 ℃, the heating, cool cycles that make coating help improving the accuracy of detection near actual condition.
2, test shows that equipment described in the utility model is reliable and stable, and (thermal shock) temperature cycles requirement up to specification of collection can be carried out heating and cooling to coating according to detecting needs.
3, device structure is comparatively simple, is easy to processing and fabricating.
Description of drawings
Fig. 1 is a kind of structure diagram of coating thermal shock test equipment described in the utility model;
Fig. 2 is a kind of structure diagram of sample installing mechanism;
Fig. 3 is a kind of synoptic diagram that clamping device and clamping device are installed flame gun and cold wind jet pipe;
Fig. 4 is a kind of structural representation of cold wind control gear;
Fig. 5 is a kind of structural representation of flame control gear.
Among the figure, the 1-mechanical arm, the 2-flame gun, 3-flame control gear, the 4-computing machine, the 5-temperature sensor, the 6-sample, the 7-coating, 8-sample installing mechanism, 9-cold wind jet pipe, 10-cold wind control gear, the 11-clamping device, 12-sample chuck, the 13-cooling air duct, the 14-air inlet, the 15-support, 16-flame gun folder, 17-cold wind jet pipe folder, the 18-connecting elements, the 19-gas filter, the 20-pressure regulator valve, the 21-switch board, the 22-gas meter, 23-gaseous-pressure table, the 24-gas control valve, the 25-oxygen flow meter, the 26-oxygen gauge, the 27-oxygen regulating valve.
Embodiment
Below in conjunction with accompanying drawing, the structure of coating thermal shock test equipment described in the utility model is described further.
In the present embodiment, the structure of coating thermal shock test equipment comprises heating arrangement, cooling device, mechanical arm 1, sample installing mechanism 8 and temperature collecting device as shown in Figure 1.
Heating arrangement comprises flame gun 2 and flame control gear 3, and the structure of flame control gear is made up of switch board 21, combustion gas control gear and oxygen control gear as shown in Figure 5, and combustion gas control gear and oxygen control gear are installed in the switch board; The combustion gas control gear comprises gaseous-pressure table 23, gas control valve 24 and gas meter 22, connects by pipe fitting between gaseous-pressure table, gas control valve, the gas meter; The oxygen control gear comprises oxygen gauge 26, oxygen regulating valve 27 and oxygen flow meter 25, connects by pipe fitting between oxygen gauge, oxygen regulating valve, the oxygen flow meter.
Cooling device comprises cold wind jet pipe 9 and cold wind control gear 10, and the structure of cold wind control gear comprises gas filter 19 and pressure regulator valve 20 as shown in Figure 4, and gas filter is connected by pipe fitting with pressure regulator valve.
6 industry mechanical arms that mechanical arm 1 selects for use ABB AB to produce; The structure of clamping device as shown in Figure 3, the connecting elements 18 that is connected by support 15, with support, flame gun folder 16 and cold wind jet pipe folder 17 constitute, flame gun folder 16 and cold wind jet pipe folder 17 are installed in the two ends of support respectively, and connecting elements is a rod member, is connected by screw and mechanical arm 1; On flame gun folder 16, the cold wind jet pipe 9 in the cooling device presss from both sides on 17 at the cold wind jet pipe by screw retention flame gun 2 in the heating arrangement by screw retention.
Sample installing mechanism 8 comprises sample chuck 12 and cooling air duct 13, and cooling air duct is provided with air inlet 14, and the sample chuck is fixed on an end of cooling air duct, and refrigerating gas enters cooling air duct 13 cooling samples by air inlet 14.
Temperature collecting device comprises temperature sensor 5 and computing machine 4, and temperature sensor is selected the double color infrared ray probe for use.

Claims (5)

1, a kind of coating thermal shock test equipment comprises heating arrangement, cooling device, it is characterized in that also comprising mechanical arm (1), sample installing mechanism (8) and temperature collecting device;
Heating arrangement comprises flame gun (2) and flame control gear (3), the flame control gear is connected with flame gun by pipe fitting, cooling device comprises cold wind jet pipe (9) and cold wind control gear (10), the cold wind jet pipe is connected with the cold wind control gear by pipe fitting, and described flame gun (2) and cold wind jet pipe (9) are installed on the mechanical arm (1) by clamping device (11);
The sample installing mechanism comprises sample chuck (12) and cooling air duct (13), and the sample chuck is fixed on an end of cooling air duct;
Temperature collecting device comprises temperature sensor (5) and computing machine (4), and temperature sensor is connected with computing machine, the temperature signal that collects is transformed into electric signal sends Computer Analysis and record to.
2, coating thermal shock test equipment according to claim 1 is characterized in that clamping device (11) comprises support (15) and connecting elements (18), and described support and connecting elements are connected.
3, coating thermal shock test equipment according to claim 1 and 2 is characterized in that flame control gear (3) comprises combustion gas control gear and oxygen control gear;
The combustion gas control gear comprises gaseous-pressure table (23), gas control valve (24) and gas meter (22), connects by pipe fitting between gaseous-pressure table, gas control valve, the gas meter;
The oxygen control gear comprises oxygen gauge (26), oxygen regulating valve (27) and oxygen flow meter (25), connects by pipe fitting between oxygen gauge, oxygen regulating valve, the oxygen flow meter.
4, coating thermal shock test equipment according to claim 1 and 2 is characterized in that the cold wind control gear comprises gas filter (19) and pressure regulator valve (20), and gas filter is connected by pipe fitting with pressure regulator valve.
5, coating thermal shock test equipment according to claim 3 is characterized in that the cold wind control gear comprises gas filter (19) and pressure regulator valve (20), and gas filter is connected by pipe fitting with pressure regulator valve.
CNU2009200785393U 2009-01-08 2009-01-08 Coating thermal-shock test equipment Expired - Lifetime CN201340372Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2009200785393U CN201340372Y (en) 2009-01-08 2009-01-08 Coating thermal-shock test equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2009200785393U CN201340372Y (en) 2009-01-08 2009-01-08 Coating thermal-shock test equipment

Publications (1)

Publication Number Publication Date
CN201340372Y true CN201340372Y (en) 2009-11-04

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102262047A (en) * 2010-05-31 2011-11-30 宝山钢铁股份有限公司 Experimental evaluation method for thermal shock performance of coating of crystallization roller
CN103487345A (en) * 2013-10-12 2014-01-01 中国科学院上海硅酸盐研究所 High-temperature flame flow device for dynamically and cyclically testing thermal shock resistance of thermal barrier coating
CN103792076A (en) * 2014-01-17 2014-05-14 昆明理工大学 Simulator test bed for thermal shock and thermal fatigue of parts affected by heat
CN105571968A (en) * 2015-12-13 2016-05-11 中国飞机强度研究所 Combined loading test device
CN109001070A (en) * 2018-07-31 2018-12-14 彰武县联信铸造硅砂有限公司 A kind of molding sand high temperature thermal shocking test equipment and method
CN109357883A (en) * 2018-10-15 2019-02-19 北京矿冶科技集团有限公司 Coating sample heating system, temprature control method and abradable testing machine

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102262047A (en) * 2010-05-31 2011-11-30 宝山钢铁股份有限公司 Experimental evaluation method for thermal shock performance of coating of crystallization roller
CN102262047B (en) * 2010-05-31 2013-05-29 宝山钢铁股份有限公司 Experimental evaluation method for thermal shock performance of coating of crystallization roller
CN103487345A (en) * 2013-10-12 2014-01-01 中国科学院上海硅酸盐研究所 High-temperature flame flow device for dynamically and cyclically testing thermal shock resistance of thermal barrier coating
CN103487345B (en) * 2013-10-12 2017-05-03 中国科学院上海硅酸盐研究所 High-temperature flame flow device for dynamically and cyclically testing thermal shock resistance of thermal barrier coating
CN103792076A (en) * 2014-01-17 2014-05-14 昆明理工大学 Simulator test bed for thermal shock and thermal fatigue of parts affected by heat
CN103792076B (en) * 2014-01-17 2016-05-25 昆明理工大学 The simulator stand of a kind of heated component thermal shock and heat fatigue
CN105571968A (en) * 2015-12-13 2016-05-11 中国飞机强度研究所 Combined loading test device
CN109001070A (en) * 2018-07-31 2018-12-14 彰武县联信铸造硅砂有限公司 A kind of molding sand high temperature thermal shocking test equipment and method
CN109357883A (en) * 2018-10-15 2019-02-19 北京矿冶科技集团有限公司 Coating sample heating system, temprature control method and abradable testing machine

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Granted publication date: 20091104

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