CN201788066U - Full automatic pressure tester - Google Patents
Full automatic pressure tester Download PDFInfo
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- CN201788066U CN201788066U CN2010205108486U CN201020510848U CN201788066U CN 201788066 U CN201788066 U CN 201788066U CN 2010205108486 U CN2010205108486 U CN 2010205108486U CN 201020510848 U CN201020510848 U CN 201020510848U CN 201788066 U CN201788066 U CN 201788066U
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- water pump
- pressure
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- high pressure
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Abstract
The utility model discloses a full automatic pressure tester, which comprises a water channel system and an electric control system. The full automatic pressure tester is characterized in that the water channel system comprises a water storage tank, a high-pressure clean water pump and a plurality of water supply branches arranged in parallel, the water storage tank is connected with the high-pressure clean water pump via a main pipeline, the high-pressure clean water pump is connected with the water supply branches via a main pipeline, and an energy accumulator is arranged on the main pipeline among the high-pressure clean water pump and the water supply branches. The electric control system comprises an alternating-current contactor and an electric contact pressure gage, the electric contact pressure gage is arranged on the energy accumulator, three main contacts of the alternating-current contactor are respectively connected to a three-phase power source via safety elements and are further respectively connected to three terminals of a motor of the high-pressure clean water pump, and the alternating-current contactor is also connected with the electric contact pressure gage. The full automatic pressure tester can meet processing requirements on constant pressure, pressure holding, automatic water supply, automatic unloading and the like, and is higher in automation degree and capable of realizing unattended running.
Description
Technical field
It is pressure testing machine that the utility model relates to a kind of device that can do the hydraulic testing, particularly a kind of mould string water pressure testing device.
Background technology
Mould string water pressure testing device in the prior art, its pressure and running status can not be adjusted and control automatically, and this pressure testing device can not satisfy the needs of lifting gear automatic control level and production efficiency, demands further improvement urgently.
The utility model content
Task of the present utility model is to solve the existing above-mentioned technological deficiency of pressure testing device in the prior art, and a kind of full-automatic pressure testing machine is provided.
Its technical solution is:
A kind of full-automatic pressure testing machine, comprise water circuit system and electric control system, above-mentioned water circuit system comprises reserve tank, high pressure clarified water pump and many water supply bye-passes of arranging with parallel way, reserve tank connects the high pressure clarified water pump by main line, the high pressure clarified water pump connects the bye-pass that respectively supplies water by main line, and the main line between high pressure clarified water pump and the water supply bye-pass is provided with accumulator; Above-mentioned electric control system comprises A.C. contactor and electro connecting pressure gauge, electro connecting pressure gauge is arranged on the accumulator, three main contactss of A.C. contactor connect three-phase supply by the insurance components and parts respectively, be connected with three binding posts of above-mentioned high pressure clear water pump motor respectively, A.C. contactor also is connected with electro connecting pressure gauge again.
Main line between above-mentioned reserve tank and the high pressure clarified water pump is provided with throttling valve, on the main line between high pressure clarified water pump and the water supply bye-pass, also be disposed with first retaining valve, first ball valve, second ball valve and the 3rd ball valve, wherein second ball valve and the 3rd ball valve lay respectively near the one side person in charge up and down, highway section, upstream of accumulator and main line tie point and swim on the side person in charge highway section, and first ball valve is on the main line between first retaining valve and second ball valve; All be disposed with second retaining valve, the 4th ball valve and branch road tensimeter on the above-mentioned bye-pass that respectively supplies water, second retaining valve is positioned on the Upstream section near the water supply bye-pass of main line.
Main line between the above-mentioned high pressure clarified water pump and first retaining valve is provided with first overflow passage, and first overflow passage is provided with first surplus valve; Accumulator is provided with second overflow passage, and second overflow passage is provided with second surplus valve.
Above-mentioned electric control system also comprises first auxiliary reclay that is used for holding pressure control, be used for electro connecting pressure gauge near second auxiliary reclay that A.C. contactor is connected, be used for reaching the high solenoid valve that makes the timing relay of second auxiliary reclay outage in limited time and be used to control water storage tank water level at electro connecting pressure gauge.
The utlity model has following useful technique effect:
The utility model can be realized manufacturing technique requirents such as constant voltage, pressurize, automatic water-supply, automatic deloading, and automaticity is higher, can realize unmanned guard operation.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing and embodiment:
Fig. 1 is the structural principle synoptic diagram of a kind of embodiment of the utility model, mainly shows the water circuit system part.
Fig. 2 is the electric principle schematic of a kind of embodiment of electric control system in the utility model.
Embodiment
A kind of full-automatic pressure testing machine comprises water circuit system and electric control system.
Referring to Fig. 1, above-mentioned water circuit system comprises reserve tank 1, high pressure clarified water pump 3 and many water supply bye-passes, and the water supply bye-pass is used for being connected with Pressure test mould, arranges in parallel.Reserve tank 1 connects high pressure clarified water pump 3 by main line, and high pressure clarified water pump 3 connects the bye-pass that respectively supplies water by main line, and the main line between high pressure clarified water pump 3 and the water supply bye-pass is provided with accumulator 7.Above-mentioned accumulator is preferably a kind of gas liquid type accumulator, and it can attach level switch, pressure detector and pressure relief arrangement etc., is the pressure vessel that an energy can store pressure testing, it can be discharged again when need waiting; Its purposes mainly is: store energy, system's pressurize, relax hydraulic pressure impact and absorption pressure pulsation etc., accumulator is as energy accumulating device, from the driving power, energy savings, the reduction noise that reduce the high pressure clarified water pump, eliminate pulsation, to reduce aspect effects such as equipment operation cost very obvious; On the other hand, also can help to improve the security and the reliability of this pressure testing machine, in case break down or when having a power failure, can also guarantee the performance of constant voltage, pressurize and the unmanned monitoring of whole system as emergency power supply.Main line between above-mentioned reserve tank 1 and the high pressure clarified water pump 3 is provided with throttling valve 2, on the main line between high pressure clarified water pump 3 and the water supply bye-pass, be disposed with first retaining valve 5, first ball valve 6, second ball valve 10 and the 3rd ball valve 11, the water body that the high pressure clarified water pump provides by the first retaining valve 5 bye-pass folk prescription that respectively supplies water downstream to conveying, wherein second ball valve 10 is positioned near the accumulator 7 and upstream one side of main line tie point and is responsible on the highway section, the 3rd ball valve 11 is positioned near the accumulator 7 and downstream one side of main line tie point to be responsible on the highway section, and first ball valve 6 is on the main line between first retaining valve 5 and second ball valve 10.Be disposed with second retaining valve 12, the 4th ball valve 13 and branch road tensimeter 9 on above-mentioned arbitrary water supply bye-pass, second retaining valve 12 is positioned on the Upstream section near the water supply bye-pass of main line, from the water body of main line by second retaining valve 5 to the downstream folk prescription of place water supply bye-pass to conveying.Person in charge's terminal between the above-mentioned high pressure clarified water pump 3 and first retaining valve 5 is provided with first overflow passage, and first overflow passage is provided with first surplus valve 4; Accumulator 7 is provided with second overflow passage, and second overflow passage is provided with second surplus valve 14; Above-mentioned first, second overflow passage can insert reserve tank 1.
In conjunction with Fig. 2, above-mentioned electric control system comprises A.C. contactor KM1 and electro connecting pressure gauge 8, and electro connecting pressure gauge 8 is arranged on the accumulator 7.Three main contactss of A.C. contactor KM1 connect three-phase supply by insurance components and parts such as fusible core FV1 respectively, be connected with three binding posts of the motor of above-mentioned high pressure clarified water pump 3 respectively again, be provided with electrothermal relay FR2 with the line of three binding posts, A.C. contactor KM1 also is connected with electro connecting pressure gauge.Above-mentioned electric control system also comprises the first auxiliary reclay KA1, the second auxiliary reclay KA2, timing relay KT and solenoid valve DL, wherein the first auxiliary reclay KA1 is used for holding pressure control, this moment, the high pressure clarified water pump was in the wait running status, the second auxiliary reclay KA2 is used at electro connecting pressure gauge near down A.C. contactor being connected, and then OnNow high pressure clarified water pump operation, timing relay KT is used for reaching height at electro connecting pressure gauge makes the outage of second auxiliary reclay in limited time, A.C. contactor is disconnected simultaneously, and then make the high pressure clarified water pump wait running status that enters out of service, solenoid valve DL be used to control the interior water level of reserve tank immediately.Above-mentioned in addition electric control system also has 3P combined switch QS, 2P combined switch QS1, power light L1, run indicator L2, button SB1, start button SB2, electrothermal relay FR1 and fusible core FV2.The concrete electrical connection of above-mentioned each electric first device parts can see for details shown in the accompanying drawing; above-mentioned electric control system uses the 380V.50HZ three-phase alternating-current supply; it is high sublevel disconnector QS that major loop adopts the 3P combined switch; it increases the rated current design of definite value according to high pressure clear water pump motor; install fusible core FV1 additional; prevent electromotor overload, shield.Press the start button SB2 in the control loop, main contactor KM adhesive, auxiliary reclay KA1 adhesive, and self-insurance.Can protect electromotor overload work by electrothermal relay FR2, and can use with respect to actual pressure.Set high pressure clarified water pump delayed startup, promptly regulate KT (time relay), stop but can not setting time-delay, in case the pump motor overload operation, when force value is lower than down in limited time, KM1 gets electric adhesive, L2 pump operation pilot lamp is bright, and KA2 absorbs C, R through capacitance-resistance, and the KT delayed startup, reduce starting current, make the water pump smooth starting.
During the utility model work, throttling valve 2 manual adjustments are opened under certain flow, the 3 energising work of high pressure clarified water pump are suppressed, and water body arrives accumulator 7 and enters the bye-pass that respectively supplies water through ball valve 6 through behind the retaining valve 5.When electro connecting pressure gauge 8 pressure arrive to be set high value (high limit), the high pressure clarified water pump quit work, after the pressurize of accumulator, hold compression functions, constantly gave system's constant voltage, thereby got rid of the pressure loss that some unexpected minute leakage are brought the die trial technological requirement.Overvoltage protection of the present utility model mainly contains two point control: when pressure surpasses rated pressure; by the first overflow passage automatic overflow off-load to water tank; secondly; when electro connecting pressure gauge lost efficacy; also can unload and be depressed into water tank, make system be in normal pressure constant state by the second overflow passage automatic overflow.
In the above-mentioned course of work, and the connection primary power (380V, 50HZ), power light L1 is bright, and switch QS connects, and presses start button SB2, and automatic pressurize is carried out in the KA1 adhesive.When showing that the electric contact pressure tabular value is positioned at lower limit or initial start-up and is null value, the KA2 low spot closing of contact, A.C. contactor KM1 connects, the high pressure clarified water pump brings into operation, and run indicator L2 is bright simultaneously, sets the electro connecting pressure gauge height in limited time when high pressure clarified water pump working pressure reaches, KT gets electric adhesive, the KA2 outage, the high pressure clarified water pump quits work, and pilot lamp L2 goes out.The bar type water level gauge is adopted in above-mentioned reserve tank liquid level control, divides basic, normal, high three reference mark, sets down in limited time when water level is lower than, and solenoid valve DL connects reserve tank, automatic water supplement; Prescribe a time limit when water level is higher than, solenoid valve DL disconnects, and reserve tank stops moisturizing.
Need to prove, any equivalents that those skilled in the art have done under the instruction of this instructions, or obviously variant all should be in protection domain of the present utility model.
Claims (4)
1. full-automatic pressure testing machine, comprise water circuit system and electric control system, it is characterized in that: described water circuit system comprises reserve tank, high pressure clarified water pump and many water supply bye-passes of arranging with parallel way, reserve tank connects the high pressure clarified water pump by main line, the high pressure clarified water pump connects the bye-pass that respectively supplies water by main line, and the main line between high pressure clarified water pump and the water supply bye-pass is provided with accumulator; Described electric control system comprises A.C. contactor and electro connecting pressure gauge, electro connecting pressure gauge is arranged on the accumulator, three main contactss of A.C. contactor connect three-phase supply by the insurance components and parts respectively, be connected with three binding posts of above-mentioned high pressure clear water pump motor respectively, A.C. contactor also is connected with electro connecting pressure gauge again.
2. full-automatic pressure testing machine according to claim 1, it is characterized in that: the main line between described reserve tank and the high pressure clarified water pump is provided with throttling valve, on the main line between high pressure clarified water pump and the water supply bye-pass, also be disposed with first retaining valve, first ball valve, second ball valve and the 3rd ball valve, wherein second ball valve and the 3rd ball valve lay respectively near the one side person in charge up and down, highway section, upstream of accumulator and main line tie point and swim on the side person in charge highway section, and first ball valve is on the main line between first retaining valve and second ball valve; All be disposed with second retaining valve, the 4th ball valve and branch road tensimeter on the above-mentioned bye-pass that respectively supplies water, second retaining valve is positioned on the Upstream section near the water supply bye-pass of main line.
3. full-automatic pressure testing machine according to claim 2 is characterized in that: the main line between the described high pressure clarified water pump and first retaining valve is provided with first overflow passage, and first overflow passage is provided with first surplus valve; Accumulator is provided with second overflow passage, and second overflow passage is provided with second surplus valve.
4. according to the described full-automatic pressure testing machine of any claim of claim 1 to 3, it is characterized in that: described electric control system also comprises first auxiliary reclay that is used for holding pressure control, be used for electro connecting pressure gauge near second auxiliary reclay that A.C. contactor is connected, be used for reaching the high solenoid valve that makes the timing relay of second auxiliary reclay outage in limited time and be used to control water storage tank water level at electro connecting pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205108486U CN201788066U (en) | 2010-08-31 | 2010-08-31 | Full automatic pressure tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205108486U CN201788066U (en) | 2010-08-31 | 2010-08-31 | Full automatic pressure tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201788066U true CN201788066U (en) | 2011-04-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205108486U Expired - Fee Related CN201788066U (en) | 2010-08-31 | 2010-08-31 | Full automatic pressure tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201788066U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944381A (en) * | 2012-10-17 | 2013-02-27 | 中建三局第一建设工程有限责任公司 | Pressure test device for combined valve component |
| CN103364157A (en) * | 2013-07-30 | 2013-10-23 | 东方电气集团东方汽轮机有限公司 | System and method for testing water pressure of turbine cylinder |
| CN105973714A (en) * | 2016-07-18 | 2016-09-28 | 陕西鑫立喷嘴研制开发有限公司 | Automatic control pressure tester |
| CN110658054A (en) * | 2017-08-14 | 2020-01-07 | 钱丽芳 | Gas type stretcher for rod-shaped metal |
| CN114252252A (en) * | 2021-12-27 | 2022-03-29 | 常州电站辅机股份有限公司 | Actuating mechanism water pressure test system and water pressure test device thereof |
-
2010
- 2010-08-31 CN CN2010205108486U patent/CN201788066U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944381A (en) * | 2012-10-17 | 2013-02-27 | 中建三局第一建设工程有限责任公司 | Pressure test device for combined valve component |
| CN103364157A (en) * | 2013-07-30 | 2013-10-23 | 东方电气集团东方汽轮机有限公司 | System and method for testing water pressure of turbine cylinder |
| CN105973714A (en) * | 2016-07-18 | 2016-09-28 | 陕西鑫立喷嘴研制开发有限公司 | Automatic control pressure tester |
| CN110658054A (en) * | 2017-08-14 | 2020-01-07 | 钱丽芳 | Gas type stretcher for rod-shaped metal |
| CN114252252A (en) * | 2021-12-27 | 2022-03-29 | 常州电站辅机股份有限公司 | Actuating mechanism water pressure test system and water pressure test device thereof |
| CN114252252B (en) * | 2021-12-27 | 2023-09-05 | 常州电站辅机股份有限公司 | Actuating mechanism water pressure test system and water pressure test device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110406 Termination date: 20160831 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |