CN203720025U - Multifunctional gas cylinder water pressure testing equipment - Google Patents
Multifunctional gas cylinder water pressure testing equipment Download PDFInfo
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- CN203720025U CN203720025U CN201320787454.9U CN201320787454U CN203720025U CN 203720025 U CN203720025 U CN 203720025U CN 201320787454 U CN201320787454 U CN 201320787454U CN 203720025 U CN203720025 U CN 203720025U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 109
- 238000012360 testing method Methods 0.000 title claims abstract description 41
- 238000012546 transfer Methods 0.000 claims description 23
- 238000009434 installation Methods 0.000 claims description 10
- 238000000691 measurement method Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 abstract description 10
- 239000007789 gas Substances 0.000 description 58
- 238000005259 measurement Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000002706 hydrostatic effect Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model relates to multifunctional gas cylinder water pressure testing equipment. According to the equipment, one end of a manual valve is connected with a low-pressure water pipe for a water source, and the other end of the manual valve is connected with a water inlet end of a booster pump through the low-pressure water pipe; a control port of the booster pump is connected with a computer control center through a wire; one end of a temperature sensor is connected with the water source, and the other end of the temperature sensor is connected with the computer control center through a wire; a water outlet port of the booster pump is connected with an inlet of a one-way valve through a pressure-bearing hose; and an outlet of the one-way valve is connected with a common port of a switching valve through the pressure-bearing hose. Multiple testing branches in parallel are matched with switching of the switching valve, two water pressure tests of multiple gas cylinders are realized, the detection cost is greatly reduced, the detection efficiency is improved, and the multifunctional gas cylinder water pressure testing equipment has the advantages of high degree of automation, low cost and high efficiency.
Description
Technical field
The utility model belongs to gas cylinder detection technique field, particularly a kind of Multifunctional gas cylinder hydraulic pressure test equipment.
Background technology
Gas cylinder, as the loading appliance of various gases, is having a wide range of applications aspect people's daily life and commercial production.Gas cylinder enormous amount, is often moved and repeats refitting, and environment for use is also usually more severe, once blast, brings heavy losses to people's lives and properties, and social safety is caused to tremendous influence.In order to strengthen the safety monitor of gas cylinder, ensure that gas cylinder safely uses, the protection person and property safety, every gas cylinder must, by only inspection, regularly detect.In conjunction with the robotization gas cylinder hydraulic pressure test technology of robotization, computer technology, comprise withstand voltage test, outside measurement method test and internal test method test, be the gordian technique of inspection gas cylinder quality, become one of necessary detection technique of national regulation.
Gas cylinder hydraulic pressure test has progressively developed into the brand-new automatization level of current computer control, automatic data collection, automatic report generation from manual operation, the manual record data in past.But, existing gas cylinder hydraulic pressure test system generally once can only realize the detection of single air cylinder, and different test events needs distinct device to realize, and this has restricted detection speed and detection efficiency greatly, can not meet the demand of gas cylinder production testing in enormous quantities far away.Therefore, invent and a kind ofly can realize multiple gas cylinders in conjunction with multiple hydraulic pressure test technology to carry out the device of the hydraulic testing significant simultaneously.
Summary of the invention
The utility model is exactly for the deficiencies in the prior art, has proposed a kind of Multifunctional gas cylinder hydraulic pressure test equipment.
The utility model comprises hand valve 5N+1, temperature sensor N+1 is individual, water jacket N is individual, measuring cup N, 1 of 1 of 1,1,1 of supercharge pump, retaining valve, tensimeter, pressure release electromagnetic valve, three-way switch valve, 1 of computer controlling center that electronic balance N is individual, working pressure is greater than P1, N is natural number.One end of a hand valve is connected with low pressure water pipe with water source, and the water inlet port of the other end and supercharge pump is connected with low pressure water pipe; The control port of supercharge pump is connected with wire with computer controlling center; One end of a temperature sensor is connected with water source, and the other end is connected with wire with computer controlling center; The water outlet port of supercharge pump and the entrance of retaining valve are connected with pressure-bearing flexible pipe; The outlet of retaining valve is connected with pressure-bearing flexible pipe with transfer valve public port; The first water delivering orifice of transfer valve is connected with pressure-bearing flexible pipe with the pressurization port of N water jacket; On pressure-bearing flexible pipe, also connect one end of tensimeter, pressure transducer, one end of pressure release electromagnetic valve; The other end of pressure transducer is connected with computer controlling center wire with wire; The control port of pressure release electromagnetic valve is connected with wire with computer controlling center, and water outlet port is connected with low pressure water pipe with blowoff basin; Respectively with three hand valves of each water jacket are connected with low pressure water pipe, and wherein the other end of first hand valve is connected with low pressure water pipe with measuring cup, and measuring cup is placed on electronic balance, and electronic balance is connected with wire with computer controlling center; The other end of second hand valve is connected with low pressure water pipe with water source; The other end of the 3rd hand valve is connected with low pressure water pipe with blowoff basin; One end of temperature sensor is installed on each water jacket, and the other end of temperature sensor is connected with wire with computer controlling center.Three hand valves of each water jacket and connection, a temperature sensor, a measuring cup and an electronic balance have formed one group of gas cylinder outside measurement method test unit, and same N group gas cylinder proving installation is along the pressure-bearing flexible pipe parallel connection being connected with transfer valve the first water delivering orifice.The second water delivering orifice of transfer valve is connected with pressure-bearing flexible pipe respectively with one end of N high-pressure valve; The other end of high-pressure valve is connected with N gas cylinder hydroslatic joint, and is communicated with blowoff basin by N blowdown valve; Each gas cylinder is connecting one end of pressure transducer, and the other end of pressure transducer is connected with wire with computer controlling center.Two hand valves, a pressure transducer of each cylinder interface to be measured and connection have formed one group of gas cylinder Withstand test device, and same N group gas cylinder proving installation is along the pressure-bearing flexible pipe parallel connection being connected with transfer valve the second water delivering orifice.
The utility model is mainly applicable to gas cylinder hydrostatic test outside measurement and withstand voltage test, adopt 1, computing machine being furnished with capture card, driver card and corresponding software as control center, realize the Real-Time Monitoring to line pressure and actuating medium temperature by pressure transducer, temperature sensor, realize the accurate control to gas cylinder internal pressure to be measured by supercharge pump and pressure release electromagnetic valve, realized the robotization of operation and data recording and processing.The utility model is equipped with the switching of transfer valve by the multiple test branch roads of parallel connection, realized simultaneously two of multiple gas cylinders kinds of hydraulic pressure tests, greatly reduces testing cost, has promoted detection efficiency, has high automation, low cost, high efficiency advantage.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, the device of simultaneously realizing the withstand voltage test of 4 gas cylinder hydrostatic test outside measurements and 4 gas cylinders comprises 21 of hand valves, 5 of temperature sensors, 4 of water jackets, 4, measuring cup, and 4 of electronic balances, working pressure are greater than 1 of 1 of 1,1,1 of supercharge pump, retaining valve, tensimeter, pressure release electromagnetic valve, three-way switch valve, 1 of the computer controlling center of P1.
One end of hand valve 1 is connected with low pressure water pipe with water source (tap water), and the water inlet port of the other end and supercharge pump 2 is connected with low pressure water pipe; The control port of supercharge pump 2 is connected with computer controlling center 3 use wires; One end of temperature sensor 4 is connected with water source, and the other end is connected with computer controlling center 3 use wires; The water outlet port of supercharge pump 2 is connected with pressure-bearing flexible pipe with the entrance of retaining valve 5; The public port of the outlet of retaining valve 5 and transfer valve 9 is connected with pressure-bearing flexible pipe; The water delivering orifice 1 of transfer valve 9 is connected with pressure-bearing flexible pipe with the pressurization port of first water jacket 10 of outside measurement method test branch road; On pressure-bearing flexible pipe, also connect one end of tensimeter 7, pressure transducer 6, one end of pressure release electromagnetic valve 8; The other end of pressure transducer 6 is connected with computer controlling center 3 use wires with wire; The control port of pressure release electromagnetic valve 8 is connected with computer controlling center 3 use wires, and the water outlet port of pressure release electromagnetic valve 8 is connected with low pressure water pipe with blowoff basin; First water jacket 10 is connected with low pressure water pipe with one end of hand valve 11, one end of hand valve 14, one end of hand valve 15 respectively, first water jacket 10 is placed gas cylinder 17 to be measured, wherein the other end of hand valve 11 is connected with measuring cup 12 use low pressure water pipes, measuring cup 12 is placed on electronic balance 13, and the output port of electronic balance 13 is connected with computer controlling center 3 use wires; The other end of hand valve 14 is connected with low pressure water pipe with water source; Wherein the other end of hand valve 15 is connected with low pressure water pipe with blowoff basin; One end of first water jacket 10 jointing temp sensors 16, the other end of temperature sensor 16 is connected with computer controlling center 3 use wires.Water jacket 10, hand valve 11, measuring cup 12, electronic balance 13, hand valve 14, hand valve 15 and temperature sensor 16 have formed first group of gas cylinder proving installation, and 4 groups of same gas cylinder proving installations are along the pressure-bearing flexible pipe parallel connection being connected with the water delivering orifice 1 of transfer valve 9.One end of the water delivering orifice 2 of transfer valve 9 and first high-pressure valve 21 of withstand voltage test is connected with pressure-bearing flexible pipe; The other end of high-pressure valve 21 is connected with gas cylinder 24 use hydroslatic joints to be measured, and is communicated with blowoff basin by blowdown valve 23; One end of gas cylinder 24 Bonding pressure sensors 22 to be measured, the other end of pressure transducer 22 is connected with computer controlling center 3 use wires.Gas cylinder 22 to be measured and the hand valve 21, pressure transducer 22, the blowdown valve 23 that are attached thereto have formed 1 group of gas cylinder Withstand test device, and 4 groups of same gas cylinder proving installations are along the pressure-bearing flexible pipe parallel connection being connected with transfer valve water delivering orifice 2.
Utilize the hydraulic pressure test method of this pick-up unit to comprise the following steps:
(1) determine that the working pressure that gas cylinder outside measurement method is tested is 30MPa, the gas cylinder quantity of determining one-time detection is 4; The working pressure of determining gas cylinder withstand voltage test is P1, and the gas cylinder quantity of determining one-time detection is 4.
(2) select 21 of hand valves, 5 of temperature sensors, 4 of water jackets, 4, measuring cup, 4 of electronic balances; Select working pressure to be greater than 1 of 1 of 1,1,1 of supercharge pump, retaining valve, tensimeter, pressure release electromagnetic valve, three-way switch valve and the pressure-bearing flexible pipe of P1; Selection is furnished with 1, the computing machine of capture card, driver card and corresponding software as control center.
(3) one end of hand valve 1 is connected with low pressure water pipe with water source (tap water), the water inlet port of the other end of hand valve 1 and supercharge pump 2 is connected with low pressure water pipe; The control port of supercharge pump 2 is connected with computer controlling center 3 use wires; One end of temperature sensor 4 is connected with water source, the other end of temperature sensor 4 is connected with computer controlling center 3 use wires; The entrance of the water outlet port of supercharge pump 2 and retaining valve 5 is connected with pressure-bearing flexible pipe; The public port of the outlet of retaining valve 5 and transfer valve 9 is connected with pressure-bearing flexible pipe; The water delivering orifice 1 of transfer valve 9 is connected with pressure-bearing flexible pipe with the pressurization port of first water jacket 10 of outside measurement method test branch road; On pressure-bearing flexible pipe, also connect one end of tensimeter 7, pressure transducer 6, one end of pressure release electromagnetic valve 8; The other end of pressure transducer 6 is connected with computer controlling center 3 use wires with wire; The control port of pressure release electromagnetic valve 8 is connected with computer controlling center 3 use wires, the water outlet port of pressure release electromagnetic valve 8 is connected with low pressure water pipe with blowoff basin; First water jacket 10 is connected with low pressure water pipe with one end of hand valve 11, one end of hand valve 14, one end of hand valve 15 respectively, the other end of hand valve 11 is connected with measuring cup 12 use low pressure water pipes, measuring cup 12 is placed on electronic balance 13, the output port of electronic balance 13 is connected with computer controlling center 3 use wires; The other end of hand valve 14 is connected with low pressure water pipe with water source; The other end of hand valve 15 is connected with low pressure water pipe with blowoff basin; By one end of first water jacket 10 jointing temp sensors 16, the other end of temperature sensor 16 is connected with computer controlling center 3 use wires.Water jacket 10, hand valve 11, measuring cup 12, electronic balance 13, hand valve 14, hand valve 15 and temperature sensor 16 have formed first group of gas cylinder outside measurement method proving installation, and same second, third, the 4th group of gas cylinder proving installation are along the pressure-bearing flexible pipe parallel connection being connected with the water delivering orifice 1 of transfer valve 9.One end of the water delivering orifice 2 of transfer valve 9 and first high-pressure valve 21 of withstand voltage test is connected with pressure-bearing flexible pipe; The other end of high-pressure valve 21 is connected with gas cylinder 24 use hydroslatic joints to be measured, and is communicated with blowoff basin by blowdown valve 23; One end of gas cylinder 24 Bonding pressure sensors 22 to be measured, the other end of pressure transducer 22 is connected with computer controlling center 3 use wires.Gas cylinder to be measured 22 and the hand valve 21, pressure transducer 22, the blowdown valve 23 that are attached thereto have formed first group of gas cylinder Withstand test device, and same second, third, the 4th group of gas cylinder proving installation are along the pressure-bearing flexible pipe parallel connection being connected with transfer valve water delivering orifice 2.
(4) first carry out hydrostatic test outside measurement.The gas cylinder to be measured that is 10.1,15.0,20.0,20.1 by 4 actual measurement volumes is respectively charged in 4 water jackets, and is connected with the hydroslatic joint of water jacket inside; Regulate 3 hand valves that connect water jacket, make water jacket inner filling water, there is no residual air; By computer controlling center control supercharge pump and pressure release electromagnetic valve, and transfer valve is switched to water delivering orifice 1, make pressure-bearing water pipe and outside measurement method gas cylinder internal to be measured be full of water, there is no residual air;
(5) open the hand valve being connected with supercharge pump; The hand valve that unlatching is connected with measuring cup and water jacket; Close other 2 hand valves that are connected with water jacket; Close pressure release electromagnetic valve; Opening pressure sensor and temperature sensor; There is computer controlling center to open supercharge pump, make gas cylinder internal pressure start to increase; In the time that pressure transducer shows that pressure arrives test pressure 30MPa, close supercharge pump, keep the state of storage pressure 30MPa to maintain 60 seconds, the maximum swelling amount that now read electric balance data are calculated each gas cylinder is respectively 0.1060L, 0.1610L, 0.2098L, 0.2061L; Finally, open pressure release electromagnetic valve, allow gas cylinder internal hydraulic pressure decline minimum pressure, the affter-expansion amount that now read electric balance data are calculated each gas cylinder is respectively 0.00101L, 0.00172L, 0.00251L, 0.00672L; The data of reading temperature sensor are 20.1 degree;
(6), according to national standard " GB17258-1998 compressed natural gas for automobile steel cylinder ", the rate of residual of calculating 4 gas cylinders is respectively 0.93%, 1.07%, 1.20%, 3.26%.National Specification " in pressurize 1min, gauge hand must not return and fall, and rate of residual volumetric deformation must not be greater than 3 % ", the time pressure figure automatically generating in conjunction with computing machine, can judge that front 3 gas cylinders are qualified, the 4th gas cylinder is defective.
(7) switch to water delivering orifice 2 by computer control transfer valve, prepare to carry out withstand voltage test.Be 10.1 by 4 actual measurement volumes, 14.9,20.0,20.0 gas cylinder to be measured is linked into Withstand test device by hydroslatic joint, regulate two hand valves that connect gas cylinder to be measured, by computer control supercharge pump and pressure release electromagnetic valve, make pressure-bearing water pipe and gas cylinder internal to be measured be full of water, there is no residual air.
(8) continued to open supercharge pump by computer controlling center, after the numerical value that tensimeter and each pressure transducer are read is raised to P1, close supercharge pump, close the high pressure valve of each branch road simultaneously, and start pressurize timing from closing last high pressure valve.Computer recording bottle pressure over time.Reach after the dwell time of regulation, open the blowdown valve of each branch road, inspection and record are subject to trial jar whether to have leakage and visible deformation.
Claims (1)
1. Multifunctional gas cylinder hydraulic pressure test equipment, comprise that hand valve 5N+1 is individual, temperature sensor N+1 is individual, water jacket N is individual, measuring cup N, 1 of 1 of 1,1,1 of supercharge pump, retaining valve, tensimeter, pressure release electromagnetic valve, three-way switch valve, 1 of computer controlling center that electronic balance N is individual, working pressure is greater than P1, N is natural number, it is characterized in that: one end of a hand valve is connected with water source low pressure water pipe, and the water inlet port of the other end and supercharge pump is connected with low pressure water pipe; The control port of supercharge pump is connected with wire with computer controlling center; One end of a temperature sensor is connected with water source, and the other end is connected with wire with computer controlling center; The water outlet port of supercharge pump and the entrance of retaining valve are connected with pressure-bearing flexible pipe; The outlet of retaining valve is connected with pressure-bearing flexible pipe with transfer valve public port; The first water delivering orifice of transfer valve is connected with pressure-bearing flexible pipe with the pressurization port of N water jacket; On pressure-bearing flexible pipe, also connect one end of tensimeter, pressure transducer, one end of pressure release electromagnetic valve; The other end of pressure transducer is connected with computer controlling center wire with wire; The control port of pressure release electromagnetic valve is connected with wire with computer controlling center, and water outlet port is connected with low pressure water pipe with blowoff basin; Respectively with three hand valves of each water jacket are connected with low pressure water pipe, and wherein the other end of first hand valve is connected with low pressure water pipe with measuring cup, and measuring cup is placed on electronic balance, and electronic balance is connected with wire with computer controlling center; The other end of second hand valve is connected with low pressure water pipe with water source; The other end of the 3rd hand valve is connected with low pressure water pipe with blowoff basin; One end of temperature sensor is installed on each water jacket, and the other end of temperature sensor is connected with wire with computer controlling center; Three hand valves of each water jacket and connection, a temperature sensor, a measuring cup and an electronic balance have formed one group of gas cylinder outside measurement method test unit, and same N group gas cylinder proving installation is along the pressure-bearing flexible pipe parallel connection being connected with transfer valve the first water delivering orifice; The second water delivering orifice of transfer valve is connected with pressure-bearing flexible pipe respectively with one end of N high-pressure valve; The other end of high-pressure valve is connected with N gas cylinder hydroslatic joint, and is communicated with blowoff basin by N blowdown valve; Each gas cylinder is connecting one end of pressure transducer, and the other end of pressure transducer is connected with wire with computer controlling center; Two hand valves, a pressure transducer of each cylinder interface to be measured and connection have formed one group of gas cylinder Withstand test device, and same N group gas cylinder proving installation is along the pressure-bearing flexible pipe parallel connection being connected with transfer valve the second water delivering orifice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320787454.9U CN203720025U (en) | 2013-12-03 | 2013-12-03 | Multifunctional gas cylinder water pressure testing equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320787454.9U CN203720025U (en) | 2013-12-03 | 2013-12-03 | Multifunctional gas cylinder water pressure testing equipment |
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| CN203720025U true CN203720025U (en) | 2014-07-16 |
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| CN201320787454.9U Expired - Lifetime CN203720025U (en) | 2013-12-03 | 2013-12-03 | Multifunctional gas cylinder water pressure testing equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104713789A (en) * | 2015-03-17 | 2015-06-17 | 浙江新高包装有限公司 | Temperature-resistant and pressure-bearing performance testing device for composite membrane |
| CN105719527A (en) * | 2016-03-14 | 2016-06-29 | 大连市锅炉压力容器检验研究院 | Cylinder hydrostatic test operation training and evaluation simulation system |
| CN108591181A (en) * | 2018-04-17 | 2018-09-28 | 北京强度环境研究所 | Pressure can accuracy controlling hydraulic loading device |
| CN113588436A (en) * | 2021-07-30 | 2021-11-02 | 中材科技（苏州）有限公司 | Hydraulic weighing and drying method for gas cylinder |
-
2013
- 2013-12-03 CN CN201320787454.9U patent/CN203720025U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104713789A (en) * | 2015-03-17 | 2015-06-17 | 浙江新高包装有限公司 | Temperature-resistant and pressure-bearing performance testing device for composite membrane |
| CN105719527A (en) * | 2016-03-14 | 2016-06-29 | 大连市锅炉压力容器检验研究院 | Cylinder hydrostatic test operation training and evaluation simulation system |
| CN108591181A (en) * | 2018-04-17 | 2018-09-28 | 北京强度环境研究所 | Pressure can accuracy controlling hydraulic loading device |
| CN113588436A (en) * | 2021-07-30 | 2021-11-02 | 中材科技（苏州）有限公司 | Hydraulic weighing and drying method for gas cylinder |
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