CN205192742U - A experimental subassembly for testing gas piping connecting piece performance - Google Patents
A experimental subassembly for testing gas piping connecting piece performance Download PDFInfo
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- CN205192742U CN205192742U CN201520963574.9U CN201520963574U CN205192742U CN 205192742 U CN205192742 U CN 205192742U CN 201520963574 U CN201520963574 U CN 201520963574U CN 205192742 U CN205192742 U CN 205192742U
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- well heater
- insulating ceramics
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Abstract
The utility model discloses an experimental subassembly for testing gas piping connecting piece performance belongs to pipeline processing technology field, including first pipe and second pipe, its characterized in that: be connected with first blanking cover on the first pipe, be connected with the ring flange on the second pipe, be connected with the second blanking cover on the ring flange, be connected with the suction nozzle on the second blanking cover, be provided with the insulating ceramic heater in the second pipe, space between insulating ceramic heater and second pipe department fills has the asbestos fibre net, and second pipe overcoat has a cooling outer tube, be connected with coolant liquid liquid inlet port and coolant liquid liquid outlet nozzle on the cooling outer tube. The utility model discloses can test the gas tightness of gas piping connecting piece under normal atmospheric temperature, high temperature, low temperature that await measuring, withstand voltage, blasting, pulse performance respectively, test operating is simple, greatly reduced the combined test cost.
Description
Technical field
The utility model relates to pipeline processing technique field, particularly relates to a kind of test assembly for test gas pipeline connecting parts performance.
Background technology
Gas piping system is the vitals on Modern fighter, civil aircraft, and various gas medium is transported to appointed part by it, meets the user demand of Aircraft oxygen system, refrigeration system, pressure filling.Gas piping web member is indispensable ingredient in aircraft gas piping system, is responsible for conduit various on aircraft, finished product, annex to connect into complete set gas piping system.Once Joint failure, directly affect the serviceability of gas piping system, the life security of serious threat aircrew.Therefore, the performance test technology of gas piping web member is subject to showing great attention to of aircraft manufacturing field always.
Common gas piping web member has four kinds of types of attachment, respectively by clamp connection, enlarging connect, welding, memorial alloy connect mode by two tubes connection together, realize sealing.No matter adopt which type of connected mode, all need the feasibility that makes a service test to verify gas piping web member and reliability upon connection.Common performance test has the temperature shock test of the impermeability under normal temperature, the high temperature of 600 degrees Celsius, the cryogenic conditions of subzero 55 degrees Celsius, withstand voltage, explosion, pulse, repeated bend test and high/low temperature circulation.
Air-tight test: respectively under normal temperature, low temperature, high ambient conditions, be filled with the gas medium of 1 times of working pressure to gas piping web member inside to be measured, the amount of leakage of gas piping web member to be measured within the unit interval should be less than the value of regulation.
Withstand voltage test: respectively under normal temperature, low temperature, high ambient conditions, be filled with the gas medium of 2 times of working pressures to gas piping web member inside to be measured, the amount of leakage of gas piping web member to be measured within the unit interval should be less than the value of regulation.
Explosion bulge test: respectively under normal temperature, low temperature, high ambient conditions, be filled with the gas medium of 4 times of working pressures to gas piping web member inside to be measured, visual gas piping web member to be measured should not be out of shape or damage.
Pulse testing: respectively under normal temperature, low temperature, high ambient conditions, be filled with the gas medium that 0.1-1.5 times of working pressure alternately changes to gas piping web member inside to be measured, the amount of leakage of gas piping web member to be measured within the unit interval should be less than the value of regulation.
Repeated bend test: respectively under normal temperature, low temperature, high ambient conditions, one end of fixing gas piping web member to be measured, the load of standard frequency is applied at the other end, the junction of gas piping web member to be measured is made to produce specified bending stress, be filled with the gas medium of 1 times of working pressure to gas piping web member inside to be measured, the amount of leakage of gas piping web member to be measured within the unit interval should be less than the value of regulation.
Temperature shock test: gas piping web member to be measured is placed in " high temperature-low temperature-high temperature " repeatedly under loop cycle condition, be filled with the gas medium of 1 times of working pressure to gas piping web member inside to be measured, the amount of leakage of gas piping web member to be measured within the unit interval should be less than the value of regulation.
Because of test condition, testing requirements, testing equipment difference, need by manufacturing and designing dissimilar testpieces, under carrying out normal temperature, low temperature, hot conditions on different devices one by one, individual event is tested, a testpieces can only carry out one test, cause testpieces quantity demand large, testpieces production cost is high, and the production cycle is long, and compbined test cost is high.
Publication number is CN202180935U, publication date is that the Chinese patent literature of on 04 04th, 2012 discloses a kind of comprehensive test bed for pneumatic accessories of airplanes, it is characterized in that: this testing table comprises air supply system, middle pressure gas channel and low pressure gas circuit, described middle pressure gas channel is communicated with test site with pressure regulator valve through respective flowmeter respectively with low pressure gas circuit, described low pressure gas circuit is also provided with the electrical heating group that can be heated to different temperatures, and described test site connects the computing machine of pressure gas channel and low pressure gas path temperature or pressure signal in a collection.Comprehensive test bed for pneumatic accessories of airplanes disclosed in this patent documentation, because structural design is unreasonable, under normal temperature, low temperature, high ambient conditions, the performance tests such as impermeability, withstand voltage, explosion, pulse can not be carried out to gas piping web member to be measured respectively, cause compbined test cost higher.
Utility model content
The utility model is in order to overcome the defect of above-mentioned prior art, a kind of test assembly for test gas pipeline connecting parts performance is provided, the utility model can test the impermeability of gas piping web member to be measured under normal temperature, high temperature, low temperature, withstand voltage, explosion, pulse behaviors respectively, test operation is simple, greatly reduces compbined test cost.
The utility model is achieved through the following technical solutions:
A kind of test assembly for test gas pipeline connecting parts performance, comprise the first conduit and the second conduit, it is characterized in that: described first conduit is connected with the first blanking cover, described second conduit is connected with ring flange, described ring flange is connected with the second blanking cover, described second blanking cover is connected with admission piece, insulating ceramics well heater is provided with in described second conduit, gap between described insulating ceramics well heater and the second conduit is filled with fibrous asbestos net, described second catheter jacket has cooling outer tube, described cooling outer tube is connected with liquid coolant liquid inlet port and liquid coolant liquid outlet.
Described insulating ceramics well heater comprises insulating ceramics sleeve pipe and well heater, and well heater is embedded in insulating ceramics sleeve pipe.
The sealing cable junctions that described well heater comprises housing, heating cable and is connected on heating cable, heating cable is embedded in housing, and sealing cable junctions runs through the second blanking cover.
Described first blanking cover is connected with journal stirrup, journal stirrup has through hole.
Described sealing cable junctions is welded on the second blanking cover.
During use, by gas piping web member one end to be measured and the first tubes connection, the other end and the second tubes connection; Due to the first conduit being connected with the first blanking cover, second conduit is connected with ring flange, ring flange is connected with the second blanking cover, second blanking cover is connected with admission piece, under normal temperature condition, pass into the gas medium of different pressures from the admission piece gradation of the second blanking cover, just can test out the performances such as gas piping web member to be measured impermeability at normal temperatures, withstand voltage, explosion, pulse respectively; Be provided with insulating ceramics well heater in second conduit, insulating ceramics well heater can heat test assembly, and then can test the performances such as gas piping web member to be measured impermeability at high temperature, withstand voltage, explosion, pulse; Second catheter jacket has cooling outer tube, cooling outer tube is connected with liquid coolant liquid inlet port and liquid coolant liquid outlet, after injecting liquid coolant by liquid coolant liquid inlet port in cooling outer tube, can cool test assembly, and then the performances such as gas piping web member to be measured impermeability at low temperatures, withstand voltage, explosion, pulse can be tested.
The beneficial effects of the utility model are mainly manifested in the following aspects:
One, the utility model, first conduit is connected with the first blanking cover, second conduit is connected with ring flange, ring flange is connected with the second blanking cover, second blanking cover is connected with admission piece, under normal temperature condition, pass into the gas medium of different pressures from the admission piece gradation of the second blanking cover, just can test out the performances such as gas piping web member to be measured impermeability at normal temperatures, withstand voltage, explosion, pulse respectively; Be provided with insulating ceramics well heater in second conduit, insulating ceramics well heater can heat test assembly, and then can test the performances such as gas piping web member to be measured impermeability at high temperature, withstand voltage, explosion, pulse; Second catheter jacket has cooling outer tube, cooling outer tube is connected with liquid coolant liquid inlet port and liquid coolant liquid outlet, after injecting liquid coolant by liquid coolant liquid inlet port in cooling outer tube, can cool test assembly, and then the performances such as gas piping web member to be measured impermeability at low temperatures, withstand voltage, explosion, pulse can be tested; As a complete technical scheme, by gas piping web member to be measured is connected on test assembly, just can test the performances such as the impermeability of gas piping web member to be measured under normal temperature, high temperature, low temperature, withstand voltage, explosion, pulse respectively, compared with the supporting testpieces of prior art every test palpus, testpieces quantity significantly reduces, installation number of times is few, and compbined test cost reduces greatly.
Two, the utility model; insulating ceramics well heater comprises insulating ceramics sleeve pipe and well heater; well heater is embedded in insulating ceramics sleeve pipe; insulating ceramics sleeve pipe has higher physical strength and thermal conductivity; not only to well heater, there is good protective effect, and the heat-conducting effect of whole test assembly can be ensured.
Three, the utility model, the sealing cable junctions that well heater comprises housing, heating cable and is connected on heating cable, heating cable is embedded in housing, sealing cable junctions runs through the second blanking cover, by sealing cable junctions is connected with power supply, heating cable just can produce heat, heats conveniently and effect stability.
Four, the utility model, the first blanking cover is connected with journal stirrup, journal stirrup has through hole, and by applying certain bending stress to journal stirrup, just can carry out bending fatigue test to gas piping web member to be measured, it is quite convenient to operate.
Five, the utility model, sealing cable junctions is welded on the second blanking cover, and sealing cable junctions can provide certain anchorage force for heating cable, prevents heating cable generation from rocking impaired, and then ensures the heating effect of heating cable.
Accompanying drawing explanation
Below in conjunction with specification drawings and specific embodiments, the utility model is described in further detail, wherein:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model embodiment 2;
Mark in figure: 1, the first conduit, the 2, second conduit, the 3, first blanking cover, 4, ring flange, the 5, second blanking cover, 6, admission piece, 7, insulating ceramics well heater, 8, cooling outer tube, 9, liquid inlet port, 10, liquid outlet, 11, insulating ceramics sleeve pipe, 12, well heater, 13, housing, 14, heating cable, 15, sealing cable junctions, 16, journal stirrup, 17, through hole.
Embodiment
Embodiment 1
See Fig. 1, a kind of test assembly for test gas pipeline connecting parts performance, comprise the first conduit 1 and the second conduit 2, described first conduit 1 is connected with the first blanking cover 3, described second conduit 2 is connected with ring flange 4, described ring flange 4 is connected with the second blanking cover 5, described second blanking cover 5 is connected with admission piece 6, insulating ceramics well heater 7 is provided with in described second conduit 2, gap between described insulating ceramics well heater 7 and the second conduit 2 is filled with fibrous asbestos net, described second conduit 2 overcoat has cooling outer tube 8, described cooling outer tube 8 is connected with liquid coolant liquid inlet port 9 and liquid coolant liquid outlet 10.
The present embodiment is the most basic embodiment, structure is simple, the insulating ceramics well heater of prior art, first conduit is connected with the first blanking cover, second conduit is connected with ring flange, ring flange is connected with the second blanking cover, the second blanking cover is connected with admission piece, under normal temperature condition, pass into the gas medium of different pressures from the admission piece gradation of the second blanking cover, just can test out the performances such as gas piping web member to be measured impermeability at normal temperatures, withstand voltage, explosion, pulse respectively; Be provided with insulating ceramics well heater in second conduit, insulating ceramics well heater can heat test assembly, and then can test the performances such as gas piping web member to be measured impermeability at high temperature, withstand voltage, explosion, pulse; Second catheter jacket has cooling outer tube, cooling outer tube is connected with liquid coolant liquid inlet port and liquid coolant liquid outlet, after injecting liquid coolant by liquid coolant liquid inlet port in cooling outer tube, can cool test assembly, and then the performances such as gas piping web member to be measured impermeability at low temperatures, withstand voltage, explosion, pulse can be tested; As a complete technical scheme, by gas piping web member to be measured is connected on test assembly, just can test the performances such as the impermeability of gas piping web member to be measured under normal temperature, high temperature, low temperature, withstand voltage, explosion, pulse respectively, compared with the supporting testpieces of prior art every test palpus, testpieces quantity significantly reduces, installation number of times is few, and compbined test cost reduces greatly.
Embodiment 2
See Fig. 2, a kind of test assembly for test gas pipeline connecting parts performance, comprise the first conduit 1 and the second conduit 2, described first conduit 1 is connected with the first blanking cover 3, described second conduit 2 is connected with ring flange 4, described ring flange 4 is connected with the second blanking cover 5, described second blanking cover 5 is connected with admission piece 6, insulating ceramics well heater 7 is provided with in described second conduit 2, gap between described insulating ceramics well heater 7 and the second conduit 2 is filled with fibrous asbestos net, described second conduit 2 overcoat has cooling outer tube 8, described cooling outer tube 8 is connected with liquid coolant liquid inlet port 9 and liquid coolant liquid outlet 10.
Described insulating ceramics well heater 7 comprises insulating ceramics sleeve pipe 11 and well heater 12, and well heater 12 is embedded in insulating ceramics sleeve pipe 11.
The present embodiment is a better embodiment; insulating ceramics well heater comprises insulating ceramics sleeve pipe and well heater; well heater is embedded in insulating ceramics sleeve pipe; insulating ceramics sleeve pipe has higher physical strength and thermal conductivity; not only to well heater, there is good protective effect, and the heat-conducting effect of whole test assembly can be ensured.
Embodiment 3
See Fig. 2, a kind of test assembly for test gas pipeline connecting parts performance, comprise the first conduit 1 and the second conduit 2, described first conduit 1 is connected with the first blanking cover 3, described second conduit 2 is connected with ring flange 4, described ring flange 4 is connected with the second blanking cover 5, described second blanking cover 5 is connected with admission piece 6, insulating ceramics well heater 7 is provided with in described second conduit 2, gap between described insulating ceramics well heater 7 and the second conduit 2 is filled with fibrous asbestos net, described second conduit 2 overcoat has cooling outer tube 8, described cooling outer tube 8 is connected with liquid coolant liquid inlet port 9 and liquid coolant liquid outlet 10.
Described insulating ceramics well heater 7 comprises insulating ceramics sleeve pipe 11 and well heater 12, and well heater 12 is embedded in insulating ceramics sleeve pipe 11.
The sealing cable junctions 15 that described well heater 12 comprises housing 13, heating cable 14 and is connected on heating cable 14, heating cable 14 is embedded in housing 13, and sealing cable junctions 15 runs through the second blanking cover 5.
The present embodiment is another better embodiment, the sealing cable junctions that well heater comprises housing, heating cable and is connected on heating cable, heating cable is embedded in housing, sealing cable junctions runs through the second blanking cover, by sealing cable junctions is connected with power supply, heating cable just can produce heat, heats conveniently and effect stability.
Embodiment 4
See Fig. 2, a kind of test assembly for test gas pipeline connecting parts performance, comprise the first conduit 1 and the second conduit 2, described first conduit 1 is connected with the first blanking cover 3, described second conduit 2 is connected with ring flange 4, described ring flange 4 is connected with the second blanking cover 5, described second blanking cover 5 is connected with admission piece 6, insulating ceramics well heater 7 is provided with in described second conduit 2, gap between described insulating ceramics well heater 7 and the second conduit 2 is filled with fibrous asbestos net, described second conduit 2 overcoat has cooling outer tube 8, described cooling outer tube 8 is connected with liquid coolant liquid inlet port 9 and liquid coolant liquid outlet 10.
Described insulating ceramics well heater 7 comprises insulating ceramics sleeve pipe 11 and well heater 12, and well heater 12 is embedded in insulating ceramics sleeve pipe 11.
The sealing cable junctions 15 that described well heater 12 comprises housing 13, heating cable 14 and is connected on heating cable 14, heating cable 14 is embedded in housing 13, and sealing cable junctions 15 runs through the second blanking cover 5.
Described first blanking cover 3 is connected with journal stirrup 16, journal stirrup 16 has through hole 17.
The present embodiment is another better embodiment, the first blanking cover is connected with journal stirrup, journal stirrup has through hole, and by applying certain bending stress to journal stirrup, just can carry out bending fatigue test to gas piping web member to be measured, it is quite convenient to operate.
Embodiment 5
See Fig. 2, a kind of test assembly for test gas pipeline connecting parts performance, comprise the first conduit 1 and the second conduit 2, described first conduit 1 is connected with the first blanking cover 3, described second conduit 2 is connected with ring flange 4, described ring flange 4 is connected with the second blanking cover 5, described second blanking cover 5 is connected with admission piece 6, insulating ceramics well heater 7 is provided with in described second conduit 2, gap between described insulating ceramics well heater 7 and the second conduit 2 is filled with fibrous asbestos net, described second conduit 2 overcoat has cooling outer tube 8, described cooling outer tube 8 is connected with liquid coolant liquid inlet port 9 and liquid coolant liquid outlet 10.
Described insulating ceramics well heater 7 comprises insulating ceramics sleeve pipe 11 and well heater 12, and well heater 12 is embedded in insulating ceramics sleeve pipe 11.
The sealing cable junctions 15 that described well heater 12 comprises housing 13, heating cable 14 and is connected on heating cable 14, heating cable 14 is embedded in housing 13, and sealing cable junctions 15 runs through the second blanking cover 5.
Described first blanking cover 3 is connected with journal stirrup 16, journal stirrup 16 has through hole 17.
Described sealing cable junctions 15 is welded on the second blanking cover 5.
The present embodiment is preferred forms, during use, by gas piping web member one end to be measured and the first tubes connection, and the other end and the second tubes connection; Due to the first conduit being connected with the first blanking cover, second conduit is connected with ring flange, ring flange is connected with the second blanking cover, second blanking cover is connected with admission piece, under normal temperature condition, pass into the gas medium of different pressures from the admission piece gradation of the second blanking cover, just can test out the performances such as gas piping web member to be measured impermeability at normal temperatures, withstand voltage, explosion, pulse respectively; Be provided with insulating ceramics well heater in second conduit, insulating ceramics well heater can heat test assembly, and then can test the performances such as gas piping web member to be measured impermeability at high temperature, withstand voltage, explosion, pulse; Second catheter jacket has cooling outer tube, cooling outer tube is connected with liquid coolant liquid inlet port and liquid coolant liquid outlet, after injecting liquid coolant by liquid coolant liquid inlet port in cooling outer tube, can cool test assembly, and then the performances such as gas piping web member to be measured impermeability at low temperatures, withstand voltage, explosion, pulse can be tested.Sealing cable junctions is welded on the second blanking cover, and sealing cable junctions can provide certain anchorage force for heating cable, prevents heating cable generation from rocking impaired, and then ensures the heating effect of heating cable.
Claims (5)
1. the test assembly for test gas pipeline connecting parts performance, comprise the first conduit (1) and the second conduit (2), it is characterized in that: described first conduit (1) is connected with the first blanking cover (3), described second conduit (2) is connected with ring flange (4), described ring flange (4) is connected with the second blanking cover (5), described second blanking cover (5) is connected with admission piece (6), insulating ceramics well heater (7) is provided with in described second conduit (2), gap between described insulating ceramics well heater (7) and the second conduit (2) is filled with fibrous asbestos net, described second conduit (2) overcoat has cooling outer tube (8), described cooling outer tube (8) is connected with liquid coolant liquid inlet port (9) and liquid coolant liquid outlet (10).
2. a kind of test assembly for test gas pipeline connecting parts performance according to claim 1, it is characterized in that: described insulating ceramics well heater (7) comprises insulating ceramics sleeve pipe (11) and well heater (12), and well heater (12) is embedded in insulating ceramics sleeve pipe (11).
3. a kind of test assembly for test gas pipeline connecting parts performance according to claim 2, it is characterized in that: the sealing cable junctions (15) that described well heater (12) comprises housing (13), heating cable (14) and is connected on heating cable (14), heating cable (14) is embedded in housing (13), and sealing cable junctions (15) runs through the second blanking cover (5).
4. a kind of test assembly for test gas pipeline connecting parts performance according to claim 3, is characterized in that: described first blanking cover (3) is connected with journal stirrup (16), journal stirrup (16) has through hole (17).
5. a kind of test assembly for test gas pipeline connecting parts performance according to claim 4, is characterized in that: described sealing cable junctions (15) is welded on the second blanking cover (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520963574.9U CN205192742U (en) | 2015-11-27 | 2015-11-27 | A experimental subassembly for testing gas piping connecting piece performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520963574.9U CN205192742U (en) | 2015-11-27 | 2015-11-27 | A experimental subassembly for testing gas piping connecting piece performance |
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| CN205192742U true CN205192742U (en) | 2016-04-27 |
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| CN201520963574.9U Active CN205192742U (en) | 2015-11-27 | 2015-11-27 | A experimental subassembly for testing gas piping connecting piece performance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057511A (en) * | 2019-05-28 | 2019-07-26 | 上海乔治费歇尔亚大塑料管件制品有限公司 | The experimental provision and experimental method of bending air-leakage test for steel modeling conversion |
-
2015
- 2015-11-27 CN CN201520963574.9U patent/CN205192742U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057511A (en) * | 2019-05-28 | 2019-07-26 | 上海乔治费歇尔亚大塑料管件制品有限公司 | The experimental provision and experimental method of bending air-leakage test for steel modeling conversion |
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