CN205246337U - Pressure testing device - Google Patents
Pressure testing device Download PDFInfo
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- CN205246337U CN205246337U CN201521100108.4U CN201521100108U CN205246337U CN 205246337 U CN205246337 U CN 205246337U CN 201521100108 U CN201521100108 U CN 201521100108U CN 205246337 U CN205246337 U CN 205246337U
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Abstract
Pressure testing device includes electric cabinet, low pressure hydraulic fluid generation mechanism and high -pressure booster mechanism, low pressure hydraulic fluid generation mechanism includes motor, variable pump and is equipped with the liquid case of hydraulic fluid, high pressure booster mechanism includes pressurized cylinder, proportion overflow valve, check valve and pressure transmitter, the variable pump is connected to electric cabinet electric connection motor, the output pivot of motor, the inlet intercommunication liquid case of variable pump, and the liquid outlet of variable pump passes through the inlet of proportion overflow valve intercommunication pressurized cylinder, and the liquid outlet of pressurized cylinder passes through check valve and pressure transmitter intercommunication pressure -bearing test piece. The utility model discloses the degradable low power consuming does benefit to energy -conservation, and the rate of rise is fast, and the pressure boost is efficient, and the output flow rate is many.
Description
Technical field
The utility model relates to a kind of pressure testing device.
Background technology
Pressure testing device is for carrying out the test of hydraulic pressure pressure-bearing to various pressure parts. Existing pressure testing deviceComprise electronic pressure testing device and pneumatic pressure testing device, electronic pressure testing device is generally by arranging frequency conversionDevice is set the incoming frequency of motor, thereby controls the rotating speed of motor, and finally realizes three cylindersThe discharge capacity of plunger water pump. Electronic pressure testing device utilizes frequency converter to change the discharge capacity of three-cylinder plunger pumpMode, need to realize this function with powerful frequency converter, can cause scene like thisToo much energy loss.
Pneumatic pressure testing device is taking compressed air as power, and compressed air-driven reciprocal pneuamtic pump is arrangedGo out pressure liquid, the proportional relation of air pressure and hydraulic pressure, can obtain in certain limit by adjusting air pressurePressure liquid. Pneumatic pressure testing device utilizes compressed air to obtain pressure liquid, needs on-the-spot very large consumptionTolerance, and its complete machine discharge capacity is not high.
Utility model content
For the deficiencies in the prior art, the utility model is intended to provide a kind of energy-conservation and high efficiencyPressure testing device.
For achieving the above object, the utility model adopts following technical scheme:
A kind of pressure testing device, it comprises that electric cabinet, low-pressure hydraulic liquid produce mechanism and high pressure superchargingMechanism; Low-pressure hydraulic liquid produces the liquid case that mechanism comprises motor, variable pump and hydraulic fluid is housed;High pressure booster body comprises pressurized cylinder, proportional pressure control valve, check valve and pressure transmitter;
Electric cabinet is electrically connected motor, the output revolving shaft link variable pump of motor, the entering of variable pumpLiquid mouth is communicated with liquid case, and the liquid outlet passing ratio overflow valve of variable pump is communicated with the feed liquor of pressurized cylinderMouthful, the liquid outlet of pressurized cylinder is communicated with a pressure-bearing test block by check valve and pressure transmitter;
Electric cabinet is used for controlling motor and drives variable pump operation; Low-pressure hydraulic liquid in liquid case passes throughVariable pump is delivered to proportional pressure control valve; Proportional pressure control valve is electrically connected electric cabinet, for according to electricityThe pressure threshold that control case regulates is adjusted to this low-pressure hydraulic liquid the hydraulic fluid of relevant pressure; SuperchargingCylinder is used for the hydraulic fluid of this relevant pressure to carry out pressurized treatment, and exports high pressure liquid after treatmentHydraulic fluid is to check valve; Pressure transmitter is for being delivered to pressure-bearing test block by high pressure liquid hydraulic fluid.
Preferably, pressure testing device also comprises pressure relief mechanism, this pressure relief mechanism comprise liquid operated globe valve,Three position four-way electromagnetic valve, pressure-reducing valve and baffle-box;
It is gentle that pressure-bearing test block is communicated with three position four-way electromagnetic valve, pressure-reducing valve, liquid operated globe valve successivelyRush case; Electric cabinet is electrically connected three position four-way electromagnetic valve, for controlling three position four-way electromagnetic valveOpen and close.
Preferably, pressure relief mechanism also comprises accumulator, and accumulator is communicated with baffle-box and surges cut-offPipeline between valve.
Preferably, pressure relief mechanism also comprises hand stop valve, two of the liquid operated globe valve that is communicated with in parallelEnd.
Preferably, pressure testing device also comprises base, electric cabinet, low-pressure hydraulic liquid produce mechanism andHigh pressure booster body is all installed on base, and the lower end of base is provided with forklift hole.
Preferably, pressure testing device also comprises the shell being installed on base, electric cabinet, low hydraulic fluidHydraulic fluid produces mechanism and high pressure booster body is all positioned at shell, and shell upper end is provided with hanger.
Preferably, high pressure booster body also comprises alarm, for exporting at hydraulic transducerPressure while exceeding setting pressure scope, send superpressure alarm.
Preferably, pressure testing device also comprises remote controllers wired or wireless connections electric cabinet.
Preferably, between the liquid outlet of variable pump and proportional pressure control valve, be also communicated with a filter.
Preferably, on electric cabinet, be also provided with the hydralic pressure gauge of the force value for showing high pressure liquid hydraulic fluidDish.
The beneficial effects of the utility model are at least as follows:
The utility model regulates the output flow of low-pressure hydraulic liquid by variable pump, existing without pictureElectronic pressure testing device rely on like that frequency converter regulation output flow, can reduce power consumption, be beneficial to jointCan; The utility model also regulates hydraulic pressure in conjunction with proportional pressure control valve, with the pressure-bearing test block to differentCarry out pressure test; In addition, the utility model adopts pressurized cylinder that low-pressure hydraulic liquid is treated to heightHydraulic fluid hydraulic fluid, the rate of rise is fast, and supercharging efficiency is high, and output flow is many.
Brief description of the drawings
Fig. 1 is the front view of the preferred embodiments of the utility model pressure testing device.
Fig. 2 is the left view of the pressure testing device of Fig. 1.
Fig. 3 is the rearview of the pressure testing device of Fig. 1.
Fig. 4 is the High voltage output pipeline of pressure testing device and the connection of the relief pipeline signal of Fig. 1Figure.
Fig. 5 is the schematic diagram that the pressure testing device of Fig. 1 connects remote controllers.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the utility model is done further and retouchedState:
Refer to Fig. 1 to Fig. 5, the utility model relates to a kind of pressure testing device, its better enforcementMode comprises that electric cabinet 101, low-pressure hydraulic liquid produce mechanism and high pressure booster body; Low hydraulic fluidHydraulic fluid produces the liquid case 107 that mechanism comprises motor 103, variable pump 102 and hydraulic fluid is housed;High pressure booster body comprises pressurized cylinder 116, proportional pressure control valve 303, check valve 120 and pressureTransmitter 119.
Electric cabinet 101 is electrically connected motor 103, the output revolving shaft link variable pump of motor 103102, the inlet of variable pump 102 is communicated with liquid case 107, and the liquid outlet of variable pump 102 passes throughProportional pressure control valve 303 is communicated with the inlet of pressurized cylinder 116, and the liquid outlet of pressurized cylinder 116 passes throughCheck valve 120 and pressure transmitter 119 are communicated with a pressure-bearing test block.
Electric cabinet 101 drives variable pump 102 to move for controlling motor 103; In liquid case 107Low-pressure hydraulic liquid be delivered to proportional pressure control valve 303 by variable pump 102; Proportional pressure control valve 303Be electrically connected electric cabinet 101, for the pressure threshold that regulates according to electric cabinet 101 by this low pressureHydraulic fluid is adjusted to the hydraulic fluid of relevant pressure; Pressurized cylinder 116 is for by the liquid of this relevant pressureHydraulic fluid carries out pressurized treatment, and exports high pressure liquid hydraulic fluid after treatment to check valve 120; PressureTransmitter 119 is for high pressure liquid hydraulic fluid is delivered to pressure-bearing test block, to carry out pressure test.
The utility model regulates the output flow of low-pressure hydraulic liquid by variable pump 102, without pictureExisting electronic pressure testing device relies on frequency converter regulation output flow like that, can reduce power consumption, profitIn energy-conservation; The utility model also regulates hydraulic pressure in conjunction with proportional pressure control valve 303, with to different holdingPress test block to carry out pressure test; In addition, the utility model adopts pressurized cylinder 116 by low hydraulic fluidHydraulic fluid is treated to high pressure liquid hydraulic fluid, and the rate of rise is fast, and supercharging efficiency is high, and output flow is many.
In the present embodiment, pressure testing device also comprises pressure relief mechanism, this pressure relief mechanism comprise surge cutOnly valve 117, three position four-way electromagnetic valve 302, accumulator 115, pressure-reducing valve 304 and baffle-box118；
Pressure-bearing test block is communicated with successively three position four-way electromagnetic valve 302, pressure-reducing valve 304, surges and cutOnly valve 117 and baffle-box 118, accumulator 115 is communicated with baffle-box 118 and liquid operated globe valve 117Between pipeline; Electric cabinet 101 is electrically connected three position four-way electromagnetic valve 302, for controlling threeThe keying of position four-way solenoid valve 302. In the time being completed, electric cabinet 101 is opened 3-position 4-wayMagnetic valve 302, makes the post-decompression pressure hydraulic control of pressure-reducing valve 304 liquid operated globe valve 117 processedOpen and close, so that pressure-bearing test block is carried out to pressure release, the hydraulic fluid that pressure release is discharged enters baffle-box118, for follow-up discharge. Accumulator 115 is for playing cushioning effect to pipeline surge.
Preferably, pressure relief mechanism also comprises hand stop valve 121, the liquid operated globe valve that is communicated with in parallel117 two ends, to facilitate manual pressure release.
Preferably, pressure testing device also comprises base 105, and electric cabinet 101, low-pressure hydraulic liquid produceLife structure and high pressure booster body are all installed on base 105, and the lower end of base 105 is provided with forkCar hole 109, to facilitate forklift transport.
Preferably, pressure testing device also comprises the shell being installed on base 105, electric cabinet 101,Low-pressure hydraulic liquid produces mechanism and high pressure booster body is all positioned at shell, and shell upper end is provided with hangsEar 104, to facilitate unit assembling of ship machinery.
Preferably, high pressure booster body also comprises alarm 112, at hydraulic transducer 121When the pressure of exporting exceeds setting pressure scope, send superpressure alarm.
Preferably, pressure testing device also comprises Long-distance Control wired or wireless connections electric cabinet 101Device 201, for the operation by electric cabinet 101 Long-distance Control pressure testing devices and obtain pressure testingThe operational factor of device to test process.
Preferably, between the liquid outlet of variable pump 102 and proportional pressure control valve 303, be also communicated with a mistakeFilter 106, with the impurity of filtering hydraulic fluid.
Preferably, on electric cabinet 101, be also provided with the liquid of the force value for showing high pressure liquid hydraulic fluidPress dial plate 110.
Preferably, this hydraulic fluid can be hydraulic oil or water.
" electric connection " relating in the utility model is between finger element, to have electric signal transmission,Being not limited to direct connection physically, for example, can be indirectly to connect by wire, also canWith by other elements as resistance, electric capacity connect indirectly, can be also directly to pass through scolding tinOr plug-in mounting connects.
For a person skilled in the art, can be according to technical scheme described above and structureThink, make other various corresponding changes and distortion, and all these changes and distortionWithin all should belonging to the protection domain of the utility model claim.
Claims (10)
1. a pressure testing device, is characterized in that: it comprises that electric cabinet, low-pressure hydraulic liquid produce machineStructure and high pressure booster body; Low-pressure hydraulic liquid produces mechanism and comprises motor, variable pump and dressThere is the liquid case of hydraulic fluid; High pressure booster body comprises pressurized cylinder, proportional pressure control valve, unidirectionalValve and pressure transmitter;
Electric cabinet is electrically connected motor, the output revolving shaft link variable pump of motor, the entering of variable pumpLiquid mouth is communicated with liquid case, and the liquid outlet passing ratio overflow valve of variable pump is communicated with entering of pressurized cylinderLiquid mouth, the liquid outlet of pressurized cylinder is communicated with a pressure-bearing test by check valve and pressure transmitterPart;
Electric cabinet is used for controlling motor and drives variable pump operation; Low-pressure hydraulic liquid in liquid case passes throughVariable pump is delivered to proportional pressure control valve; Proportional pressure control valve is electrically connected electric cabinet, for rootThe pressure threshold regulating according to electric cabinet is adjusted to this low-pressure hydraulic liquid the hydraulic pressure of relevant pressureLiquid; Pressurized cylinder is for the hydraulic fluid of this relevant pressure is carried out to pressurized treatment, and outputHigh pressure liquid hydraulic fluid after reason is to check valve; Pressure transmitter is for carrying high pressure liquid hydraulic fluidTo pressure-bearing test block.
2. pressure testing device as claimed in claim 1, is characterized in that: pressure testing device also comprises and letting outPress mechanism, this pressure relief mechanism comprises liquid operated globe valve, three position four-way electromagnetic valve, pressure-reducing valveAnd baffle-box;
It is gentle that pressure-bearing test block is communicated with three position four-way electromagnetic valve, pressure-reducing valve, liquid operated globe valve successivelyRush case; Electric cabinet is electrically connected three position four-way electromagnetic valve, for controlling 3-position 4-way electromagnetismThe keying of valve.
3. pressure testing device as claimed in claim 2, is characterized in that: pressure relief mechanism also comprises and holdingEnergy device, accumulator is communicated with the pipeline between baffle-box and liquid operated globe valve.
4. pressure testing device as claimed in claim 2, is characterized in that: pressure relief mechanism also comprises handMoving stop valve, the two ends that are communicated with liquid operated globe valve in parallel.
5. pressure testing device as claimed in claim 1, is characterized in that: pressure testing device also comprises the endSeat, electric cabinet, low-pressure hydraulic liquid produce mechanism and high pressure booster body is all installed on baseUpper, the lower end of base is provided with forklift hole.
6. pressure testing device as claimed in claim 5, is characterized in that: pressure testing device also comprises peaceBe loaded on the shell on base, electric cabinet, low-pressure hydraulic liquid produce mechanism and high pressure superchargerStructure is all positioned at shell, and shell upper end is provided with hanger.
7. pressure testing device as claimed in claim 1, is characterized in that: high pressure booster body also wrapsDraw together alarm, while exceeding setting pressure scope for the pressure of exporting at hydraulic transducer,Send superpressure alarm.
8. pressure testing device as claimed in claim 1, is characterized in that: pressure testing device also includesThe remote controllers of line or wireless connections electric cabinet.
9. pressure testing device as claimed in claim 1, is characterized in that: the liquid outlet of variable pump andBetween proportional pressure control valve, be also communicated with a filter.
10. pressure testing device as claimed in claim 1, is characterized in that: on electric cabinet, be also provided with useIn the hydraulic pressure dial plate of force value that shows high pressure liquid hydraulic fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521100108.4U CN205246337U (en) | 2015-12-23 | 2015-12-23 | Pressure testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521100108.4U CN205246337U (en) | 2015-12-23 | 2015-12-23 | Pressure testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205246337U true CN205246337U (en) | 2016-05-18 |
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ID=55945408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521100108.4U Active CN205246337U (en) | 2015-12-23 | 2015-12-23 | Pressure testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205246337U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105510014A (en) * | 2015-12-23 | 2016-04-20 | 广州东塑石油钻采专用设备有限公司 | Pressure test device |
-
2015
- 2015-12-23 CN CN201521100108.4U patent/CN205246337U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105510014A (en) * | 2015-12-23 | 2016-04-20 | 广州东塑石油钻采专用设备有限公司 | Pressure test device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |