CN105510014A - Pressure test device - Google Patents
Pressure test device Download PDFInfo
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- CN105510014A CN105510014A CN201510992096.9A CN201510992096A CN105510014A CN 105510014 A CN105510014 A CN 105510014A CN 201510992096 A CN201510992096 A CN 201510992096A CN 105510014 A CN105510014 A CN 105510014A
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- pressure
- liquid
- testing device
- valve
- electric cabinet
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a test pressure device. The test pressure device comprises an electric control box, a low-pressure hydraulic fluid generation mechanism and a high-pressure supercharging mechanism; the low-pressure hydraulic fluid generation mechanism comprises a motor, a variable pump and a fluid tank filled with a hydraulic fluid; the high-pressure supercharging mechanism includes a supercharging cylinder, a proportional relief valve, a one-way valve and a pressure transmitter; the electric control box is electrically connected with the motor; the output rotation shaft of the motor is connected with the variable pump; the liquid inlet of the variable pump is communicated with the liquid tank; the liquid outlet of the variable pump is communicated with the liquid inlet of the supercharging cylinder through the proportional relief valve; and the liquid outlet of the supercharging cylinder is communicated with a pressure bearing test piece through the one-way valve and the pressure transmitter. With the test pressure device of the invention adopted, energy consumption reduction can be benefitted, and energy conservation can be benefitted. The test pressure device has the advantages of high pressure rising speed, high supercharging efficiency and high output flow rate.
Description
Technical field
The present invention relates to a kind of pressure testing device.
Background technology
Pressure testing device is used for carrying out the test of hydraulic pressure pressure-bearing to various pressure part.Existing pressure testing device comprises electronic pressure testing device and pneumatic pressure testing device, and electronic pressure testing device generally sets the incoming frequency of motor by arranging frequency converter, thus controls the rotating speed of motor, and finally realizes three cylinder plug water pump capacities.Electronic pressure testing device utilizes frequency converter to change the mode of the discharge capacity of three-cylinder plunger pump, needs to use powerful frequency converter to realize this function, can cause too much energy loss like this to scene.
Pneumatic pressure testing device take pressurized air as power, compressed air-driven reciprocal pneuamtic pump discharge head liquid, air pressure and the proportional relation of hydraulic pressure, can obtain pressure liquid in certain limit by adjustment air pressure.Pneumatic pressure testing device utilizes pressurized air to obtain pressure liquid, need on-the-spot very large air consumption, and its complete machine discharge capacity is not high.
Summary of the invention
For the deficiencies in the prior art, the present invention is intended to provide one energy-conservation and high efficiency pressure testing device.
For achieving the above object, the present invention adopts following technical scheme:
A kind of pressure testing device, it comprises electric cabinet, low-pressure hydraulic liquid produces mechanism and high pressure booster body; Low-pressure hydraulic liquid produces mechanism and comprises motor, variable output pump and the liquid case of hydraulic fluid is housed; High pressure booster body comprises pressurized cylinder, proportional pressure control valve, retaining valve and pressure unit;
Electric cabinet is electrically connected motor, the output revolving shaft link variable pump of motor, the inlet of variable output pump is communicated with liquid case, and the liquid outlet passing ratio surplus valve of variable output pump is communicated with the inlet of pressurized cylinder, and the liquid outlet of pressurized cylinder is communicated with a pressure-bearing test block by retaining valve with pressure unit;
Electric cabinet drives variable output pump to run for controlling motor; Low-pressure hydraulic liquid in liquid case is delivered to proportional pressure control valve by variable output pump; Proportional pressure control valve is electrically connected electric cabinet, for the pressure threshold that regulates according to electric cabinet, this low-pressure hydraulic liquid is adjusted to the hydraulic fluid of relevant pressure; Pressurized cylinder is used for the hydraulic fluid of this relevant pressure to carry out pressurized treatment, and the high pressure liquid hydraulic fluid after output processing is to retaining valve; Pressure unit is used for high pressure liquid hydraulic fluid to be delivered to pressure-bearing test block.
Preferably, pressure testing device also comprises pressure relief mechanism, and this pressure relief mechanism comprises liquid operated globe valve, three position four-way electromagnetic valve, reduction valve and baffle-box;
Pressure-bearing test block is communicated with three position four-way electromagnetic valve, reduction valve, liquid operated globe valve and baffle-box successively; Electric cabinet is electrically connected three position four-way electromagnetic valve, for controlling the keying of three position four-way electromagnetic valve.
Preferably, pressure relief mechanism also comprises accumulator, and accumulator is communicated with the pipeline between baffle-box and liquid operated globe valve.
Preferably, pressure relief mechanism also comprises hand stop valve, the two ends of parallel communication liquid operated globe valve.
Preferably, pressure testing device also comprises base, and electric cabinet, low-pressure hydraulic liquid produce mechanism and high 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 be installed on base, and electric cabinet, low-pressure hydraulic liquid produce 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, when the pressure for exporting at hydraulic transducer exceeds set pressure scope, sends superpressure alarm.
Preferably, pressure testing device also comprises remote controllers that are wired or wireless connections electric cabinet.
Preferably, a filtrator is also communicated with between the liquid outlet of variable output pump and proportional pressure control valve.
Preferably, electric cabinet is also provided with the hydraulic pressure dial plate of the force value for showing high pressure liquid hydraulic fluid.
Beneficial effect of the present invention is at least as follows:
The present invention regulates the delivery rate of low-pressure hydraulic liquid by variable output pump, without the need to relying on frequency converter regulation output flow as existing electronic pressure testing device, can reduce power consumption, being beneficial to energy-conservation; The present invention also regulates hydraulic pressure, to carry out pressure test to different pressure-bearing test blocks in conjunction with proportional pressure control valve; In addition, the present invention adopts pressurized cylinder that low-pressure hydraulic liquid is treated to high pressure liquid hydraulic fluid, and the rate of rise is fast, and charging efficiency is high, and delivery rate is many.
Accompanying drawing explanation
Fig. 1 is the front view of the better embodiment of pressure testing device of the present invention.
Fig. 2 is the left view of the pressure testing device of Fig. 1.
Fig. 3 is the rear view of the pressure testing device of Fig. 1.
Fig. 4 is the High voltage output pipeline of the pressure testing device of Fig. 1 and the connection diagram of relief pipeline.
Fig. 5 is the schematic diagram of the pressure testing device connection remote controllers of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described further:
Refer to Fig. 1 to Fig. 5, the present invention relates to a kind of pressure testing device, its better embodiment comprises electric cabinet 101, low-pressure hydraulic liquid produces mechanism and high pressure booster body; Low-pressure hydraulic liquid produces mechanism and comprises motor 103, variable output pump 102 and the liquid case 107 of hydraulic fluid is housed; High pressure booster body comprises pressurized cylinder 116, proportional pressure control valve 303, retaining valve 120 and pressure unit 119.
Electric cabinet 101 is electrically connected motor 103, the output revolving shaft link variable pump 102 of motor 103, the inlet of variable output pump 102 is communicated with liquid case 107, the liquid outlet passing ratio surplus valve 303 of variable output pump 102 is communicated with the inlet of pressurized cylinder 116, and the liquid outlet of pressurized cylinder 116 is communicated with a pressure-bearing test block by retaining valve 120 with pressure unit 119.
Electric cabinet 101 drives variable output pump 102 to run for controlling motor 103; Low-pressure hydraulic liquid in liquid case 107 is delivered to proportional pressure control valve 303 by variable output pump 102; Proportional pressure control valve 303 is electrically connected electric cabinet 101, for the pressure threshold that regulates according to electric cabinet 101, this low-pressure hydraulic liquid is adjusted to the hydraulic fluid of relevant pressure; Pressurized cylinder 116 is for carrying out pressurized treatment by the hydraulic fluid of this relevant pressure, and the high pressure liquid hydraulic fluid after output processing is to retaining valve 120; Pressure unit 119 for high pressure liquid hydraulic fluid is delivered to pressure-bearing test block, to carry out pressure test.
The present invention regulates the delivery rate of low-pressure hydraulic liquid by variable output pump 102, without the need to relying on frequency converter regulation output flow as existing electronic pressure testing device, can reduce power consumption, being beneficial to energy-conservation; The present invention also regulates hydraulic pressure in conjunction with proportional pressure control valve 303, to carry out pressure test to different pressure-bearing test blocks; In addition, the present invention adopts pressurized cylinder 116 that low-pressure hydraulic liquid is treated to high pressure liquid hydraulic fluid, and the rate of rise is fast, and charging efficiency is high, and delivery rate is many.
In the present embodiment, pressure testing device also comprises pressure relief mechanism, and this pressure relief mechanism comprises liquid operated globe valve 117, three position four-way electromagnetic valve 302, accumulator 115, reduction valve 304 and baffle-box 118;
Pressure-bearing test block is communicated with three position four-way electromagnetic valve 302, reduction valve 304, liquid operated globe valve 117 and baffle-box 118 successively, and accumulator 115 is communicated with the pipeline between baffle-box 118 and liquid operated globe valve 117; Electric cabinet 101 is electrically connected three position four-way electromagnetic valve 302, for controlling the keying of three position four-way electromagnetic valve 302.When being completed, three position four-way electromagnetic valve 302 opened by electric cabinet 101, makes the Kai Heguan of reduction valve 304 post-decompression pressure hydraulic control liquid operated globe valve 117, to carry out pressure release to pressure-bearing test block, the hydraulic fluid that pressure release is discharged enters baffle-box 118, for follow-up discharge.Accumulator 115 is for playing buffer action to pipeline surge pressure.
Preferably, pressure relief mechanism also comprises hand stop valve 121, the two ends of parallel communication liquid operated globe valve 117, to facilitate manual pressure release.
Preferably, pressure testing device also comprises base 105, and electric cabinet 101, low-pressure hydraulic liquid produce mechanism and high pressure booster body is all installed on base 105, and the lower end of base 105 is provided with forklift hole 109, to facilitate forklift transport.
Preferably, pressure testing device also comprises the shell be installed on base 105, and electric cabinet 101, low-pressure hydraulic liquid produce mechanism and high pressure booster body is all positioned at shell, and shell upper end is provided with hanger 104, to facilitate unit assembling of ship machinery.
Preferably, high pressure booster body also comprises alarm 112, when the pressure for exporting at hydraulic transducer 121 exceeds set pressure scope, sends superpressure alarm.
Preferably, pressure testing device also comprises remote controllers 201 that are wired or wireless connections electric cabinet 101, for passing through the operation of electric cabinet 101 Long-distance Control pressure testing device and obtaining the operational factor of pressure testing device test process.
Preferably, a filtrator 106 is also communicated with between the liquid outlet of variable output pump 102 and proportional pressure control valve 303, with the impurity of filtering hydraulic fluid.
Preferably, electric cabinet 101 is also provided with the hydraulic pressure dial plate 110 of the force value for showing high pressure liquid hydraulic fluid.
Preferably, this hydraulic fluid can be hydraulic oil or water.
" electric connection " that relate in the present invention there is electric signal transmission between finger element, be not limited to direct connection physically, such as, can be indirectly connected by wire, also can, by other elements as resistance, electric capacity connect indirectly, also can be directly connected by scolding tin or plug-in mounting.
For a person skilled in the art, according to technical scheme described above and design, other various corresponding change and distortion can be made, and all these change and distortion all should belong within the protection domain of the claims in the present invention.
Claims (10)
1. a pressure testing device, is characterized in that: it comprises electric cabinet, low-pressure hydraulic liquid produces mechanism and high pressure booster body; Low-pressure hydraulic liquid produces mechanism and comprises motor, variable output pump and the liquid case of hydraulic fluid is housed; High pressure booster body comprises pressurized cylinder, proportional pressure control valve, retaining valve and pressure unit;
Electric cabinet is electrically connected motor, the output revolving shaft link variable pump of motor, the inlet of variable output pump is communicated with liquid case, and the liquid outlet passing ratio surplus valve of variable output pump is communicated with the inlet of pressurized cylinder, and the liquid outlet of pressurized cylinder is communicated with a pressure-bearing test block by retaining valve with pressure unit;
Electric cabinet drives variable output pump to run for controlling motor; Low-pressure hydraulic liquid in liquid case is delivered to proportional pressure control valve by variable output pump; Proportional pressure control valve is electrically connected electric cabinet, for the pressure threshold that regulates according to electric cabinet, this low-pressure hydraulic liquid is adjusted to the hydraulic fluid of relevant pressure; Pressurized cylinder is used for the hydraulic fluid of this relevant pressure to carry out pressurized treatment, and the high pressure liquid hydraulic fluid after output processing is to retaining valve; Pressure unit is used for high pressure liquid hydraulic fluid to be delivered to pressure-bearing test block.
2. pressure testing device as claimed in claim 1, it is characterized in that: pressure testing device also comprises pressure relief mechanism, this pressure relief mechanism comprises liquid operated globe valve, three position four-way electromagnetic valve, reduction valve and baffle-box;
Pressure-bearing test block is communicated with three position four-way electromagnetic valve, reduction valve, liquid operated globe valve and baffle-box successively; Electric cabinet is electrically connected three position four-way electromagnetic valve, for controlling the keying of three position four-way electromagnetic valve.
3. pressure testing device as claimed in claim 2, is characterized in that: pressure relief mechanism also comprises accumulator, and 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 hand stop valve, the two ends of parallel communication liquid operated globe valve.
5. pressure testing device as claimed in claim 1, is characterized in that: pressure testing device also comprises base, and electric cabinet, low-pressure hydraulic liquid produce mechanism and high pressure booster body is all installed on base, and 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 the shell be installed on base, and electric cabinet, low-pressure hydraulic liquid produce mechanism and high pressure booster body 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 comprises alarm, when the pressure for exporting at hydraulic transducer exceeds set pressure scope, sending superpressure alarm.
8. pressure testing device as claimed in claim 1, is characterized in that: pressure testing device also comprises remote controllers that are wired or wireless connections electric cabinet.
9. pressure testing device as claimed in claim 1, is characterized in that: be also communicated with a filtrator between the liquid outlet of variable output pump and proportional pressure control valve.
10. pressure testing device as claimed in claim 1, is characterized in that: hydraulic pressure dial plate electric cabinet being also provided with the force value for showing high pressure liquid hydraulic fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510992096.9A CN105510014A (en) | 2015-12-23 | 2015-12-23 | Pressure test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510992096.9A CN105510014A (en) | 2015-12-23 | 2015-12-23 | Pressure test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105510014A true CN105510014A (en) | 2016-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510992096.9A Pending CN105510014A (en) | 2015-12-23 | 2015-12-23 | Pressure test device |
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| Country | Link |
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| CN (1) | CN105510014A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201069424Y (en) * | 2007-08-01 | 2008-06-04 | 合肥通用机械研究院 | 350MPa ultra-high pressure fatigue test system |
| WO2009056142A1 (en) * | 2007-11-01 | 2009-05-07 | Sauer-Danfoss Aps | Hydraulic system with supplement pump |
| WO2009155915A1 (en) * | 2008-06-25 | 2009-12-30 | Man Diesel Filial Af Man Diesel Se, Tyskland | Hydraulic supply system of a large two-stroke diesel engine |
| CN102785396A (en) * | 2012-07-27 | 2012-11-21 | 四川航空工业川西机器有限责任公司 | High-precision ultrahigh-pressure-curve controlling system |
| CN103016453A (en) * | 2012-12-14 | 2013-04-03 | 浙江大学 | Impulse test system of hydraulic hose |
| CN103511364A (en) * | 2012-06-21 | 2014-01-15 | 上海立新液压有限公司 | Hydraulic pressurizing system |
| CN204591828U (en) * | 2015-02-04 | 2015-08-26 | 江苏海鹏特种车辆有限公司 | Multi-hydraulic-cylinder walks abreast independent loads energy conservation test system |
| CN205246337U (en) * | 2015-12-23 | 2016-05-18 | 广州东塑石油钻采专用设备有限公司 | Pressure testing device |
-
2015
- 2015-12-23 CN CN201510992096.9A patent/CN105510014A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201069424Y (en) * | 2007-08-01 | 2008-06-04 | 合肥通用机械研究院 | 350MPa ultra-high pressure fatigue test system |
| WO2009056142A1 (en) * | 2007-11-01 | 2009-05-07 | Sauer-Danfoss Aps | Hydraulic system with supplement pump |
| WO2009155915A1 (en) * | 2008-06-25 | 2009-12-30 | Man Diesel Filial Af Man Diesel Se, Tyskland | Hydraulic supply system of a large two-stroke diesel engine |
| CN103511364A (en) * | 2012-06-21 | 2014-01-15 | 上海立新液压有限公司 | Hydraulic pressurizing system |
| CN102785396A (en) * | 2012-07-27 | 2012-11-21 | 四川航空工业川西机器有限责任公司 | High-precision ultrahigh-pressure-curve controlling system |
| CN103016453A (en) * | 2012-12-14 | 2013-04-03 | 浙江大学 | Impulse test system of hydraulic hose |
| CN204591828U (en) * | 2015-02-04 | 2015-08-26 | 江苏海鹏特种车辆有限公司 | Multi-hydraulic-cylinder walks abreast independent loads energy conservation test system |
| CN205246337U (en) * | 2015-12-23 | 2016-05-18 | 广州东塑石油钻采专用设备有限公司 | Pressure testing device |
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Application publication date: 20160420 |
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| RJ01 | Rejection of invention patent application after publication |