CN103076232B - Fire extinguisher cylinder pressure-resistance tightness gas detection all-in-one machine and pressure resistance and tightness testing method - Google Patents
Fire extinguisher cylinder pressure-resistance tightness gas detection all-in-one machine and pressure resistance and tightness testing method Download PDFInfo
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- CN103076232B CN103076232B CN201210589436.XA CN201210589436A CN103076232B CN 103076232 B CN103076232 B CN 103076232B CN 201210589436 A CN201210589436 A CN 201210589436A CN 103076232 B CN103076232 B CN 103076232B
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Abstract
The invention relates to the field of fire extinguisher production, in particular to a fire extinguisher cylinder pressure-resistance tightness gas detection all-in-one machine which comprises fire extinguisher cylinder fixing devices, a detection gas circuit and a machine frame, wherein the fire extinguisher cylinder fixing devices are provided with air inlet passages, the machine frame is provided with an explosion-proof chamber and an explosion-proof door, the explosion-proof chamber is provided with a doorway and can be used for accommodating liquid, the explosion-proof door is used for sealing the door way, the plurality of fire extinguisher cylinder fixing devices are arranged in the explosion-proof chamber, the detection gas circuit comprises an air intake valve, a pressure release valve and an air release valve, and the air outlet of the air intake valve, the air inlet of the air release valve and the air inlet of the pressure release valve are connected with the air inlet passages. The invention provides the fire extinguisher cylinder pressure-resistance tightness gas detection all-in-one machine capable of accomplishing fire extinguisher cylinder pressure resistance and tightness test in one attempt and a pressure resistance and tightness testing method, and solves the problems that the resource is wasted, the procedure is cumbersome, time-consuming and labor-consuming, and the production cost is increased in the process of fire extinguisher cylinder pressure resistance and tightness testing through different devices and different pressurizing manners.
Description
Technical field
The present invention relates to flame snuffer production field, particularly relate to a kind of cylinder body of fire extinguisher pressure-resistant stopping property gas and survey all-in-one and pressure-resistant stopping property method of testing.
Background technology
Cylinder body of fire extinguisher is a kind of high pressure vessel, necessarily carries out water pressure test for strength according to GB GB4351 standard, namely carry out impermeability test with water to cylinder body of fire extinguisher when selling at home.
Chinese Patent Application No. be 2011101500491, date of publication be January 18 in 2912 day, be called the equipment disclosing a kind of hydraulic pressure test cylinder body of fire extinguisher in the patent document of " a kind of CO2 flame snuffer gas cylinder free style hydraulic pressure test equipment ".The pressure generating equipment (hydraulic pump) that this equipment comprises frame, the flame snuffer sleeve barrel fixing device being provided with flow passage be rotatably connected in frame is connected with same flow passage, be fixed on flame snuffer sleeve barrel fixing device after injecting water during test in cylinder body of fire extinguisher, then maintain setting duration after the hydraulic pressure in cylinder body of fire extinguisher being increased to reach resistance test value by pressure generating equipment, observe whether burst distortion or produce of cylinder body of fire extinguisher and leak.
But specify according to European Union EN3-8 standard, to cylinder body of fire extinguisher need through 100% pressure intensity test and resistance to pressure test and performing leak test, to guarantee that each cylinder body of fire extinguisher does not leak and meets requirement of withstand voltage, but to what medium to carry out withstand voltage and sealing test not requirement with.These two tests are all separately carried out by current flame snuffer manufacturer, namely first in the packoff being provided with cylinder body of fire extinguisher stationary installation, cylinder body of fire extinguisher is fixed by the cylinder body of fire extinguisher stationary installation in packoff, then resistance to pressure test is carried out to cylinder body of fire extinguisher input gases at high pressure, after gases at high pressure all being bled off after voltage-withstand test completes, cylinder body of fire extinguisher is taken off, again cylinder body of fire extinguisher qualified for voltage-withstand test is moved on to hydraulic pressure test equipment, by the cylinder body of fire extinguisher stationary installation be arranged on hydraulic pressure test equipment, cylinder body of fire extinguisher is fixed, performing leak test is carried out to the water of cylinder body of fire extinguisher input pressurization.
Therefore existingly meet European Union EN3-8 standard regulation the method that cylinder body of fire extinguisher carries out pressure-resistant stopping property test is had the following disadvantages: voltage-withstand test and sealing test are separately carried out on a different device, cause cylinder body of fire extinguisher cost of manufacture high, test process is loaded down with trivial details wastes time and energy; Hi-pot test gas all emptying after durability test, causes very large energy dissipation (being needed to expend the energy to high pressure by detection gas boosting); The waste that performing leak test can cause water resource is carried out with water.
Summary of the invention
The invention provides the disposable cylinder body of fire extinguisher pressure-resistant stopping property gas completing cylinder body of fire extinguisher resistance to pressure and performing leak test of a kind of energy and survey all-in-one and pressure-resistant stopping property method of testing, solve the waste resource existing for the resistance to pressure of cylinder body of fire extinguisher and performing leak test tested by different devices and different pressuring methods, operation loaded down with trivial details, waste time and energy, problem that cost of manufacture rises.
Above technical matters is solved by following technical proposal: a kind of cylinder body of fire extinguisher pressure-resistant stopping property gas surveys all-in-one, comprise the cylinder body of fire extinguisher stationary installation being provided with inlet channel, detect gas return path and frame, what described frame was provided with band door opening can the explosion-proof chamber of carrying liquid and the explosion door for door opening described in shutoff, some described cylinder body of fire extinguisher stationary installations are provided with in described explosion-proof chamber, described detection gas return path comprises gas admittance valve, blowdown valve and vent valve, the gas outlet of described gas admittance valve, the air intake opening of vent valve is connected with described inlet channel with the air intake opening three of blowdown valve.In explosion-proof chamber, water is injected during use, the import of air pump with gas admittance valve is connected, to be fixed unsettled for flame snuffer sleeve on the mouth of flame snuffer sleeve by the shutoff of cylinder body of fire extinguisher stationary installation, cover explosion door, open gas admittance valve, air pump is inflated to after air pressure reaches durability test value and cuts out gas admittance valve in cylinder body of fire extinguisher, open blowdown valve after maintaining this pressure to setting duration, make the air pressure in cylinder body of fire extinguisher be reduced to performing leak test value, close blowdown valve and cylinder body of fire extinguisher is soaked in water and observe whether leakage phenomenon; Finally open vent valve the gas in cylinder body of fire extinguisher is all bled off.Namely pressure-resistant stopping property test is completed.Carry out cylinder body of fire extinguisher when resistance to pressure is tested can soak or not be immersed in water.
As preferably, the exhausr port of described blowdown valve is docking together with gas-holder.Blowdown valve enables discharged gases at high pressure be collected together for the utilization of other pneumatic compression devices, good energy-conserving effect.
As preferably, the exhausr port of described vent valve is provided with exhaust box.The noise produced when can reduce gas in emptying cylinder body of fire extinguisher, environment protecting is good.
The present invention also comprises control module, and described gas admittance valve, blowdown valve and vent valve are all motorized valve and are electrically connected with control module.The action of gas admittance valve, pressure limiting valve and vent valve is controlled by control module.Automaticity is good, and accuracy is good, and detection efficiency is high, more in addition time saving and energy saving.
As preferably, described explosion-proof chamber has two, described cylinder body of fire extinguisher stationary installation is all provided with in two explosion-proof chambers, described detection gas return path has two, two are detected gas return path and are connected with the cylinder body of fire extinguisher stationary installation in two explosion-proof chambers respectively, two explosion-proof chambers share an explosion door, described frame is provided with explosion door position and switches topworks, control module controls to only have a gas admittance valve detected in gas return path to open in the same time and switch topworks by explosion door position explosion door automatic cover is located on the door opening of the explosion-proof chamber carrying out resistance to pressure test.Achieve and can carry out performing leak test carrying out that durability test makes, in another explosion-proof chamber or change workpiece work by an interior explosion-proof chamber at one time.Share explosion door, compact conformation, the operation of explosion door different work personnel produces to be interfered; Automaticity is good, and security is good.The utilization factor of operating personnel can be improved.
As preferably, it is cylinder that described explosion door position switches topworks.Simple for structure.
The present invention also comprises fluid supply circuit, described cylinder body of fire extinguisher stationary installation comprises chuck and drives the driving cylinder of chuck, described driving cylinder is driven by described fluid supply circuit, and described fluid supply circuit is provided with the pressure transducer be electrically connected with described control module; Described control module, when knowing the pressure detected by pressure transducer lower than setting value, controls gas admittance valve and closes exhaust valve opening.When the hydrodynamic pressure of supply driving cylinder is lower than setting value, represent that cylinder body of fire extinguisher stationary installation is not good enough with the strength of joint of cylinder body of fire extinguisher, if may produce cylinder body of fire extinguisher disengaging accident when testing.This technical scheme ensures that refusal carries out test job when strength of joint is inadequate automatically, and security is good.
As preferably, described chuck comprises base of the carrier head, pull bar and at least two circumferences along pull bar are distributed in the pinch of pull bar outside, one end of described base of the carrier head is provided with bearing sealing surface, through hole is provided with in the middle of described bearing sealing surface, described inlet channel to be arranged on described base of the carrier head and to be communicated with described through hole, be provided with in described through hole and stretch chuck, described driving cylinder is arranged on the other end of described base of the carrier head, link together with described pull bar one end after stretching chuck described in the piston rod of driving cylinder passes, the other end of described pull bar is provided with the drive block that pinch is separated along pull bar radial direction, described pinch one end to be located in described through hole and to stretch on chuck one end described in being hinged on, it is outer and be provided with the gib head of outwards bending that the other end of described pinch is positioned at described through hole, the described chuck other end of stretching is provided with and stretches folder spring.Reliably convenient and swift during installing/dismounting cylinder body of fire extinguisher.
As preferably, described door opening is arranged on the upper end of described explosion-proof chamber, and the described cylinder body of fire extinguisher stationary installation being positioned at explosion-proof chamber is liftably arranged on described explosion-proof chamber by lift cylinder.Time on installing/dismounting cylinder body of fire extinguisher to cylinder body of fire extinguisher stationary installation, make cylinder body of fire extinguisher be positioned at above the water surface of explosion-proof chamber by lift cylinder, during test, lift cylinder declines and is soaked in water by cylinder body of fire extinguisher.Operating personnel does not soak and both can carry out the installing/dismounting effect of cylinder body of fire extinguisher, and comfortableness is good, can not intake, do not intake in cylindrical shell, cylinder body of fire extinguisher deposit in process be not easy produce corrosion phenomena.
The method that cylinder body of fire extinguisher pressure-resistant stopping property detects, is characterized in that, cylinder body of fire extinguisher is fixed by the first step, the mode being fixed on cylinder body of fire extinguisher oral area by extinguisher fixing device; Second step, by explosion-proof door closure on door opening; 3rd step, open gas admittance valve and input detect in gas to cylinder body of fire extinguisher make the air pressure in cylinder body of fire extinguisher reach resistance test value after maintain setting resistance test duration; 4th step, open blowdown valve and reduce pressure in cylinder body of fire extinguisher to sealing propertytest value and open explosion door, observation flame snuffer device cylindrical shell is whether out of shape, if Fire extinguisher tube body deformability, represent that cylinder body of fire extinguisher is defective; By by cylinder body of fire extinguisher the mode be immersed in water observe Fire extinguisher tube and whether leak; Producing the cylinder body of fire extinguisher leaked is unacceptable product; Cylinder body of fire extinguisher takes off from extinguisher fixing device after being drained by the detection gas in cylinder body of fire extinguisher by the 5th step, unlatching vent valve.
The present invention has following advantage, achieve resistance to pressure and performing leak test on the same device and continuity complete, reduce processing step when cylinder body of fire extinguisher is produced, eliminate that between distinct device, to shift the personnel that cylinder body of fire extinguisher causes fatigued, make test job simple, the effect reducing manufacturing cost can be played; Gases at high pressure part during by resistance to pressure being tested carries out performing leak test after discharging step-down, and save test duration and gas consumption, energy consumption during test is low; Test with gas, the inside surface of cylinder body of fire extinguisher of can not getting wet, make storage process in cylinder body of fire extinguisher not easily corrosion, saved valuable water resource.
Accompanying drawing explanation
Fig. 1 is physical construction schematic diagram of the present invention.
Fig. 2 is A-A cross section enlarged diagram of the cylinder body of fire extinguisher stationary installation in Fig. 1.
Fig. 3 is gas circuit schematic diagram of the present invention.
In figure: frame 1, left explosion-proof chamber 11, left-hand door hole 111, left elevating bracket 112, left lift cylinder 113, the cylinder body 1131 of left lift cylinder, left lift cylinder piston rod 1132, left chute 114, right explosion-proof chamber 12, right door opening 121, right elevating bracket 122, right lift cylinder 123, the cylinder body 1231 of right lift cylinder, right lift cylinder piston rod 1232, right rail 124, housing top wall 13, cylinder body of fire extinguisher stationary installation 2, chuck 21, base of the carrier head 211, bearing sealing surface 2111, through hole 2112, pull bar 212, drive block 2121, contracting folder spring 2122, pinch 213, gib head 2131, O-ring seal 214, pressure ring 215, bolt 216, stretch chuck 217, stretch folder spring 218, driving cylinder 22, the cylinder body 221 of driving cylinder, the piston rod 222 of driving cylinder, contracting clamp pin nail 2221, oil sealing 2222, inlet channel 23, explosion door position switches topworks 3, explosion door 31, fluid supply circuit 4, chuck solenoid valve 41, first pressure transducer 42, left detection gas return path 5, left gas admittance valve 51, left blowdown valve 52, left bank air valve 53, left tensimeter 54, second pressure transducer 55, first retaining valve 56, second retaining valve 57, left hand valve 58, right detection gas return path 6, right gas admittance valve 61, right blowdown valve 62, right vent valve 63, right tensimeter 64, 3rd pressure transducer 65, 3rd retaining valve 66, 4th retaining valve 67, right hand valve 68, gas-holder 7, exhaust box 8, main valve 9.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is further illustrated.
See Fig. 1, a kind of cylinder body of fire extinguisher pressure-resistant stopping property gas surveys all-in-one, comprises frame 1.
Left explosion-proof chamber 11 is provided with in the left end of frame 1.The upper end of left explosion-proof chamber 11 is provided with left-hand door hole 111.Left elevating bracket 112 is provided with in left explosion-proof chamber 11.Left elevating bracket 112 is suspended in left explosion-proof chamber 11 by left lift cylinder 113.The cylinder body 1131 of left lift cylinder is fixed on housing top wall 13.Left elevating bracket 112 is fixed on the Ji Tuzhong lower end, outer end of left lift cylinder piston rod 1132.To being provided with the left chute 114 that a pair extends left and right directions distribution along the vertical direction in left explosion-proof chamber 11.The two ends, left and right of left elevating bracket 112 are slidably connected in a pair left chute 114.Left elevating bracket 112 is provided with 4 cylinder body of fire extinguisher stationary installations 2.
Right explosion-proof chamber 12 is provided with in the right-hand member of frame 1.The upper end of right explosion-proof chamber 12 is provided with right door opening 121.Right elevating bracket 122 is provided with in right explosion-proof chamber 12.Right elevating bracket 122 is suspended in right explosion-proof chamber 12 by right lift cylinder 123.The cylinder body 1231 of right lift cylinder is fixed on housing top wall 13.Right elevating bracket 122 is fixed on the Ji Tuzhong lower end, outer end of right lift cylinder piston rod 1232.To being provided with the right rail 124 extending the distribution of right right direction for a pair along the vertical direction in right explosion-proof chamber 12.The right two ends of right elevating bracket 122 are slidably connected in a pair right rail 124.Right elevating bracket 122 is provided with 4 cylinder body of fire extinguisher stationary installations 2.
The top of housing top wall 13 is fixed with explosion door position and switches topworks 3.It is cylinder that explosion door position switches topworks 3.Explosion door position switching topworks 3 is fixed with explosion door 31.
See Fig. 2, cylinder body of fire extinguisher stationary installation 2 comprises chuck 21 and driving cylinder 22.Chuck 21 comprises the pinch 213 that base of the carrier head 211, pull bar 212 and three circumferences along pull bar are distributed in pull bar outside.The back-end sealing of base of the carrier head 211 is fixed on the front side of elevating bracket 112,122.The front end of base of the carrier head 211 is provided with bearing sealing surface 2111.The through hole 2112 of through elevating bracket is provided with in the middle of bearing sealing surface 2111.Bearing sealing surface 2111 is provided with O-ring seal 214.O-ring seal 214 passes through pressure ring 215 pressure holding on bearing sealing surface 2111.Pressure ring 215 is locked on the front end of base of the carrier head 211 by bolt 216.Base of the carrier head 211 is provided with inlet channel 23.Inlet channel 23 is communicated with through hole 2112.Be provided with in through hole 2112 and stretch chuck 217.The rear end of stretching chuck 217 be provided be contained in through hole 2112 stretching folder spring 218.The rear end of pinch 213 to be located in through hole 2112 and be hinged on stretch chuck 217 front end on.It is outer and be provided with the gib head 2131 of outwards bending that the front end of pinch 213 is positioned at through hole 2112.The outer end of pull bar 212 is provided with drive block 2121.Contracting folder spring 2122 is equipped with in pull bar 212.The cylinder body 221 of driving cylinder is fixed on the rear side of elevating bracket 112,122.The piston rod 222 of driving cylinder is fixed together by the rear end of contracting clamp pin nail 2221 with pull bar 212 after stretching chuck 217.The piston rod 222 of driving cylinder is sealed connected together by oil sealing 2222 with between elevating bracket 112,122.
See Fig. 3, the present invention also comprises control module (not drawing in figure), fluid supply circuit 4, left detection gas return path 5 and right detection gas return path 6.Fluid supply circuit 4 is provided with the chuck solenoid valve 41 that 8 control the driving cylinder in 8 cylinder body of fire extinguisher stationary installations 2 one by one over the ground.The main pipe rail of fluid supply circuit 4 is provided with the first pressure transducer 42.
Left detection gas return path 5 comprises left gas admittance valve 51, left blowdown valve 52 and left bank air valve 53.Left gas admittance valve 51 is solenoid valve.The air intake opening of left gas admittance valve 51 links together with total inlet pipe.Total inlet pipe is provided with main valve 9.Main valve 9 is hand valve.The air intake opening three of the gas outlet of left gas admittance valve 51, the air intake opening of left bank air valve 52 and left blowdown valve 53 is located on inlet channel 23(in interior 4 the cylinder body of fire extinguisher stationary installations 2 of left explosion-proof tank 11 see Fig. 2) be connected together.The outlet side of left gas admittance valve 51 is provided with left tensimeter 54 and the second pressure transducer 55.The exhausr port of left blowdown valve 52 is docking together with gas-holder 7 by the first retaining valve 56.First retaining valve 56 is opened towards gas-holder, prevents the pressure gas in gas-holder 7 from refluxing to improve reliability during work.The vent port of left bank air valve 53 is docking together with exhaust box 8 by the second retaining valve 57.Second retaining valve 57 is opened towards exhaust box 8, plays the effect that the gas backflow preventing right vent valve 63 from discharging enters left detection gas backstreaming, has and cut off effect reliably under compact layout.The inlet end of left bank air valve 53 is provided with left hand valve 58.Left hand valve is set and can carries out complete pressure release to take off cylinder body of fire extinguisher when left bank air valve exception or power-off.
The right gas admittance valve of right detection gas return path 6 61, right blowdown valve 62 and right vent valve 63.Right gas admittance valve 61 is solenoid valve.The air intake opening of right gas admittance valve 61 links together with total inlet pipe.The air intake opening three of the gas outlet of right gas admittance valve 61, the air intake opening of right vent valve 62 and right blowdown valve 63 is located on inlet channel 23(in interior 4 the cylinder body of fire extinguisher stationary installations 2 of right explosion-proof tank 12 see Fig. 2) be connected together.The outlet side of right gas admittance valve 61 is provided with right tensimeter 64 and the 3rd pressure transducer 65.The exhausr port of right blowdown valve 62 is docking together with gas-holder 7 by the 3rd retaining valve 66.3rd retaining valve 66 is opened towards gas-holder 7, plays and prevents the pressure gas in gas-holder 7 from refluxing to improve reliability during work.The vent port of right vent valve 63 is docking together with exhaust box 8 by the 4th retaining valve 67.Second retaining valve 67 is opened towards exhaust box 8, plays the effect that the gas backflow preventing right vent valve 63 from discharging enters right detection gas backstreaming.The inlet end of right vent valve 63 is provided with right hand valve 68.Right hand valve is set and can carries out complete pressure release to take off cylinder body of fire extinguisher when right vent valve exception or power-off.
See Fig. 1 to Fig. 3, now be described as follows first to carry out testing the method for carrying out pressure-resistant stopping property test by the present invention in left explosion-proof chamber: the first step, filled with water in a left side explosion-proof strong 11, left elevating bracket 112 is driven to rise four extinguisher fixing devices 2 by left lift cylinder 113, four cylinder body of fire extinguishers are arranged on correspondingly on 4 extinguisher fixing devices 2 in left explosion-proof chamber 11, in the water driving four cylinder body of fire extinguishers to be immersed in left explosion-proof chamber 11 by left lift cylinder 113.Second step, press left test start switch, control module make explosion door position switch topworks 3 order about explosion door 31 lid establish on left-hand door hole 111.Now according to the method for the first step, four cylinder body of fire extinguishers are encased in right explosion-proof chamber 12.If the input value of the 3rd step first pressure transducer 42 is lower than setting value, control module is opened by left bank air valve 53 and gas admittance valve 51 remains on closed condition; If reach setting value, control module is opened left gas admittance valve 51 and is made gas enter the cylinder body of fire extinguisher being positioned at left explosion-proof chamber 11 through inlet channel 23, when the second pressure transducer 55 detects that force value reaches resistance test value rear left gas admittance valve 51 and closes, maintain this pressure to setting duration; 4th step, control module are opened left blowdown valve 52 and after sealing propertytest value, are closed left blowdown valve 52 to the pressure reduced in cylinder body of fire extinguisher again.The gas storage that left blowdown valve 52 is discharged is in cylinder 7.If by opening the door or right test beginning switch after this moment, explosion door position switching topworks 3 orders about explosion door 31 and covers on right door opening 121, the cylinder body of fire extinguisher that operator observes in left explosion-proof chamber 11 through left-hand door hole 111 is whether out of shape, leaks gas, if Fire extinguisher tube body deformability, gas leakage, represent cylinder body of fire extinguisher defective.The left side is while carrying out sealing propertytest, and the cylinder body of fire extinguisher in right explosion-proof chamber 13 carries out resistance to pressure test in the mode according to the 3rd step.5th step, control module are opened left bank air valve 53 and are drained by the detection gas of the cylinder body of fire extinguisher being positioned at left explosion-proof chamber 11.Cylinder body of fire extinguisher is taken off from extinguisher fixing device.If need to continue other cylinder body of fire extinguisher of test, then repeat above-mentioned steps.
Claims (8)
1. a cylinder body of fire extinguisher pressure-resistant stopping property gas surveys all-in-one, comprise the cylinder body of fire extinguisher stationary installation being provided with inlet channel, it is characterized in that, also comprise detection gas return path, frame and control module, what described frame was provided with band door opening can the explosion-proof chamber of carrying liquid and the explosion door for door opening described in shutoff, some described cylinder body of fire extinguisher stationary installations are provided with in described explosion-proof chamber, described detection gas return path comprises gas admittance valve, blowdown valve and vent valve, the gas outlet of described gas admittance valve, the air intake opening of vent valve is connected with described inlet channel with the air intake opening three of blowdown valve, described gas admittance valve, blowdown valve and vent valve are all motorized valve and are electrically connected with control module, described door opening is arranged on the upper end of described explosion-proof chamber, the described cylinder body of fire extinguisher stationary installation being positioned at explosion-proof chamber is liftably arranged on described explosion-proof chamber by lift cylinder.
2. cylinder body of fire extinguisher pressure-resistant stopping property gas according to claim 1 surveys all-in-one, and it is characterized in that, the exhausr port of described blowdown valve is docking together with gas-holder.
3. cylinder body of fire extinguisher pressure-resistant stopping property gas according to claim 2 surveys all-in-one, and it is characterized in that, the exhausr port of described vent valve is provided with exhaust box.
4. the cylinder body of fire extinguisher pressure-resistant stopping property gas according to claim 1 or 2 or 3 surveys all-in-one, it is characterized in that, described explosion-proof chamber has two, described cylinder body of fire extinguisher stationary installation is all provided with in two explosion-proof chambers, described detection gas return path has two, two are detected gas return path and are connected with the cylinder body of fire extinguisher stationary installation in two explosion-proof chambers respectively, two explosion-proof chambers share an explosion door, described frame is provided with explosion door position and switches topworks, control module controls to only have a gas admittance valve detected in gas return path to open in the same time and switch topworks by explosion door position explosion door automatic cover is located on the door opening of the explosion-proof chamber carrying out resistance to pressure test.
5. cylinder body of fire extinguisher pressure-resistant stopping property gas according to claim 4 surveys all-in-one, it is characterized in that, it is cylinder that described explosion door position switches topworks.
6. the cylinder body of fire extinguisher pressure-resistant stopping property gas according to claim 1 or 2 or 3 surveys all-in-one, it is characterized in that, also comprise fluid supply circuit, described cylinder body of fire extinguisher stationary installation comprises chuck and drives the driving cylinder of chuck, described driving cylinder is driven by described fluid supply circuit, and described fluid supply circuit is provided with the pressure transducer be electrically connected with described control module; Described control module, when knowing the pressure detected by pressure transducer lower than setting value, controls gas admittance valve and closes exhaust valve opening.
7. cylinder body of fire extinguisher pressure-resistant stopping property gas according to claim 6 surveys all-in-one, it is characterized in that, described chuck comprises base of the carrier head, pull bar and at least two circumferences along pull bar are distributed in the pinch of pull bar outside, one end of described base of the carrier head is provided with bearing sealing surface, through hole is provided with in the middle of described bearing sealing surface, described inlet channel to be arranged on described base of the carrier head and to be communicated with described through hole, be provided with in described through hole and stretch chuck, described driving cylinder is arranged on the other end of described base of the carrier head, link together with described pull bar one end after stretching chuck described in the piston rod of driving cylinder passes, the other end of described pull bar is provided with the drive block that pinch is separated along pull bar radial direction, described pinch one end to be located in described through hole and to stretch on chuck one end described in being hinged on, it is outer and be provided with the gib head of outwards bending that the other end of described pinch is positioned at described through hole, the described chuck other end of stretching is provided with and stretches folder spring.
8. survey by cylinder body of fire extinguisher pressure-resistant stopping property gas according to claim 1 the method that all-in-one carries out pressure-resistant stopping property test for one kind, it is characterized in that, cylinder body of fire extinguisher is fixed by the first step, the mode being fixed on cylinder body of fire extinguisher oral area by extinguisher fixing device; Second step, by explosion-proof door closure on door opening; 3rd step, open gas admittance valve and input detect in gas to cylinder body of fire extinguisher make the air pressure in cylinder body of fire extinguisher reach resistance test value after maintain setting resistance test duration; 4th step, open blowdown valve and reduce pressure in cylinder body of fire extinguisher to sealing propertytest value and open explosion door, observation flame snuffer device cylindrical shell is whether out of shape, if Fire extinguisher tube body deformability, represent that cylinder body of fire extinguisher is defective; By by cylinder body of fire extinguisher the mode be immersed in water observe Fire extinguisher tube and whether leak; Producing the cylinder body of fire extinguisher leaked is unacceptable product; Cylinder body of fire extinguisher takes off from extinguisher fixing device after being drained by the detection gas in cylinder body of fire extinguisher by the 5th step, unlatching vent valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210589436.XA CN103076232B (en) | 2012-12-31 | 2012-12-31 | Fire extinguisher cylinder pressure-resistance tightness gas detection all-in-one machine and pressure resistance and tightness testing method |
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| CN201210589436.XA CN103076232B (en) | 2012-12-31 | 2012-12-31 | Fire extinguisher cylinder pressure-resistance tightness gas detection all-in-one machine and pressure resistance and tightness testing method |
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| CN117554019B (en) * | 2024-01-02 | 2024-03-29 | 福建首盛消防科技股份有限公司 | Seven fluoropropane fire extinguisher performance detection device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6010140A (en) * | 1983-06-29 | 1985-01-19 | Hino Motors Ltd | Hydraulic testing apparatus |
| CN203037536U (en) * | 2012-12-31 | 2013-07-03 | 浙江瑞华机械有限公司 | Pressure resistance and sealing performance air detection all-in-one machine for fire extinguisher barrel |
-
2012
- 2012-12-31 CN CN201210589436.XA patent/CN103076232B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6010140A (en) * | 1983-06-29 | 1985-01-19 | Hino Motors Ltd | Hydraulic testing apparatus |
| CN203037536U (en) * | 2012-12-31 | 2013-07-03 | 浙江瑞华机械有限公司 | Pressure resistance and sealing performance air detection all-in-one machine for fire extinguisher barrel |
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| CN103076232A (en) | 2013-05-01 |
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