CN102840952A - Pressure tester for detecting compression performance of valve - Google Patents
Pressure tester for detecting compression performance of valve Download PDFInfo
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- CN102840952A CN102840952A CN2012103132431A CN201210313243A CN102840952A CN 102840952 A CN102840952 A CN 102840952A CN 2012103132431 A CN2012103132431 A CN 2012103132431A CN 201210313243 A CN201210313243 A CN 201210313243A CN 102840952 A CN102840952 A CN 102840952A
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Abstract
The invention discloses a pressure tester for detecting compression performance of a valve. The pressure tester comprises an operating table, a top pressure type test table, a clamping jaw type test table, a medium pressure supply device and an oil pressure driving device, wherein the medium pressure supply device and the oil pressure driving device are matched with the top pressure type test table and the clamping jaw type test table respectively; both the medium pressure supply device and the oil pressure driving device are controlled by the operating table; the clamping jaw test table comprises a clamping jaw test table, a driving clamping jaw, two driven clamping jaws, a push-pull oil cylinder and three clamping oil cylinders; the driving clamping jaw is arranged on the clamping jaw test table; the two driven clamping jaws synchronously act with the driving clamping jaw; the push-pull oil cylinder is positioned in the clamping jaw test table and is used for pushing the driving clamping jaw to horizontally move; the clamping oil cylinders are used for driving the corresponding driving and driven clamping jaws to perform clamping action on the valve; and the push-pull oil cylinder and the three clamping oil cylinders are connected with the oil pressure driving device respectively. The pressure tester comprises the top pressure test table and the clamping jaw test table. Two valves can be simultaneously tested, the testing efficiency can be improved, the comprehensive utilization rate of equipment is high, and the cost is saved.
Description
Technical field
The present invention relates to a kind of testing apparatus, be meant a kind of pressure testing machine that detects valve pressurized performance especially, it can extensively detect the valve that uses on waterpipe, gas pipeline and the oil-piping.
Background technology
Seeing that valve is as opening and closing device; Its sealing property there is very strict requirement; Therefore reaching the last stage of dispatching from the factory in process of production all will do experiments of sealing performance; Must carry out two-way pressure testing to valve, promptly valve-off carries out the pressure-resistant seal test respectively with the pressure that adds regulation at the appointed time to valve bilateral cavity.
The pressure testing machine of existing valve hydraulic pressure or air pressure or oil pressure has only single roof pressing type test board, and the valve specification that this test board can be tested is limited, and when test board roof pressure insufficient pressure, valve is easy to generate to break away and causes sealing not tight, tests inaccurate.In addition, existing pressure testing machine has only single test board, and machine parts is made a low multiple use.
Summary of the invention
The objective of the invention is to overcome the defective of existing technology, a kind of pressure testing machine of reliable, detection valve pressurized performance that utilization factor is high is provided.
The present invention adopts following technical scheme to be achieved:
A kind of pressure testing machine that detects valve pressurized performance; Comprise operation bench, roof pressing type test board, clip type test board and the confession medium pressure device and the drive device for hydraulic that cooperate with roof pressing type test board and clip type test board respectively; This confession medium pressure device and drive device for hydraulic all are controlled by operation bench; Said clip type test board comprises the jaw test board, be installed on active jaw on the jaw test board, with two driven jaws of jaw synchronization action initiatively, to be positioned at the jaw test board inner and be used to promote the push cylinder that jaw initiatively moves horizontally and be respectively applied for drive corresponding driving and driven jaw valve is clamped three clamping cylinders of action, this push cylinder is connected with said drive device for hydraulic respectively with three clamping cylinders.
Further, said two driven jaws are connected in said active jaw through linkage assembly respectively, and said push cylinder and this active jaw level are in transmission connection.
Further; Said jaw test board end face offers one and goes out media port and be used for initiatively jaw and two three jaw mouths that driven jaw stretches out; Saidly go out media port and be positioned at three jaw mouths and surround the geometric center place of equilateral triangle as three end points, this goes out media port and is connected with said confession medium pressure device.
Further; Said drive device for hydraulic comprises the oil pressure station, be connected in the flowline of oil pressure station oil-out, be installed on electromagnetic relief valve on the flowline, be used for flowline is divided into the branch oil circuit assembly of a plurality of oil distributing pipes; Each oil distributing pipe all is equipped with the reduction valve that is used to limit MTP successively, is used to regulate the solenoid valve of oil pressure in the corresponding oil distributing pipe and the pressure retaining valve that is used to keep oil cylinder working-pressure, and the oil-in of said push cylinder and three clamping cylinders is connected with corresponding oil distributing pipe respectively.
Further; Said confession medium press-fits and is changed to the water supply pressure device; It comprises a water pump and the sealing water tank that is communicated with this water pump; The sealing water tank is provided with the two-way rising pipe, this two-way rising pipe respectively accordingly with roof pressing type test board and clip type test board on the media port that goes out be connected, and on the rising pipe of every road the reduction valve that is used to regulate hydraulic pressure is installed.
Further; Said confession medium press-fits and is changed to the fuel feeding pressure device; It comprises an oil pump and the sealing storage tank that is communicated with this oil pump; The sealing storage tank is provided with the two-way flowline, this two-way flowline respectively accordingly with roof pressing type test board and clip type test board on the media port that goes out be connected, and on the flowline of every road the reduction valve that is used to regulate oil pressure is installed.
Further; Said confession medium press-fits and is changed to the air feed pressure device; It comprises an air pump and the sealing gas-holder that is communicated with this air pump; The sealing gas-holder is provided with the two-way escape pipe, this two-way escape pipe respectively accordingly with roof pressing type test board and clip type test board on the media port that goes out be connected, and on the escape pipe of every road the reduction valve that is used to regulate air pressure is installed.
Further; Said roof pressing type test board comprises roof pressure test board and compressed oil cylinder, top board and the lower platen arranged successively from top to bottom; This top board is connected on the output terminal of said compressed oil cylinder; This lower platen is fixedly arranged on the roof pressure test board, and the media port that goes out on it is connected with said confession medium pressure device, and the oil-in of this compressed oil cylinder is connected with said drive device for hydraulic.
Can know that by the above-mentioned description of this invention compare with prior art, the present invention has following advantage:
One, this pressure testing machine comprises roof pressing type test board and clip type test board; Can test two valves simultaneously, improve testing efficiency, two shared one of test boards supply medium pressure device and drive device for hydraulic simultaneously; Improve the rate of comprehensive utilization of equipment, practice thrift cost.
Two, the clip type test board drives two driven jaws through the active jaw and does the push-and-pull campaign; Realize that the same of three jaws advances to move back together, can effectively valve be sandwiched in the central authorities of jaw test board according to different model valve adjustment jaw relative position; Make valve whole stressed more steady; Three jaws can move up and down along jaw test board end face vertical direction under the drive of corresponding clip locking oil cylinder, further pinch valve; Valve will firmly be fixed in test board central authorities after clamped, avoid lateral excursion.
Three, the confession medium pressure device in this pressure testing machine can be water supply pressure device or fuel feeding pressure device or air feed pressure device; Can carry out the pressurized Performance Detection to the valve of different purposes; Like the valve that uses on waterpipe, oil-piping, the gas pipeline, practical and use extremely extensive.
Description of drawings
Accompanying drawing 1 is the structural representation of embodiment one.
Accompanying drawing 2 is the theory diagram of embodiment one.
Accompanying drawing 3 is active jaw and the cooperation principle schematic of two driven jaws among the embodiment one.
Accompanying drawing 4 is the synoptic diagram that the active jaw of embodiment one does to clamp action.
Accompanying drawing 5 is the fundamental diagram of drive device for hydraulic among the embodiment one.
Accompanying drawing 6 is the schematic block diagram of water supply pressure device among the embodiment one.
Accompanying drawing 7 is the schematic block diagram of drive device for hydraulic among the embodiment one.
Accompanying drawing 8 is the synoptic diagram of sealing water tank among the embodiment one.
Accompanying drawing 9 is the schematic block diagram of air feed pressure device among the embodiment two.
Accompanying drawing 10 is the schematic block diagram of fuel feeding pressure device among the embodiment three.
Embodiment
Embodiment of the present invention is described with reference to the accompanying drawings.
Embodiment one
With reference to accompanying drawing 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5.A kind of pressure testing machine that detects valve pressurized performance; Comprise operation bench 1, roof pressing type test board 2, clip type test board 3 and confession medium pressure device that cooperates with roof pressing type test board 2 and clip type test board 3 respectively and drive device for hydraulic 5; This confession medium press-fits and is changed to water supply pressure device 4, and this water supply pressure device 4 all is controlled by operation bench 1 with drive device for hydraulic 5.Said clip type test board 3 comprises jaw test board 30, be installed on active jaw 31 on the jaw test board 30, with two driven jaws (not marking among the figure) of jaw 31 synchronization actions initiatively, to be positioned at jaw test board 30 inner and be used to promote the push cylinder 32 that jaw 31 initiatively moves horizontally and be respectively applied for drive corresponding driving and driven jaw valve is clamped three clamping cylinders 33 of action, this push cylinder 32 is connected with said drive device for hydraulic 5 respectively with three clamping cylinders 33.
With reference to accompanying drawing 1, Fig. 3 and Fig. 4.Said two driven jaws (not marking among the figure) are connected in said active jaw 31 through linkage assembly 34 respectively, and said push cylinder 32 is in transmission connection with these active jaw 31 levels.Said jaw test board 3 end faces offer one and go out media port 34 and be used for three jaw mouths 35 that active jaw 31 and two driven jaws (figure does not mark) stretch out; Saidly go out media port 34 and be positioned at three jaw mouths 35 and surround the geometric center place of equilateral triangle as three end points, this goes out media port 34 and is connected with said water supply pressure device 4.
With reference to accompanying drawing 1 and Fig. 2.Said roof pressing type test board 2 comprises roof pressure test board 20 and compressed oil cylinder 21, top board 22 and the lower platen 23 arranged successively from top to bottom; This top board 22 is connected on the output terminal of said compressed oil cylinder 21; This lower platen 22 is fixedly arranged on the roof pressure test board 20; And offer on it be connected with said water supply pressure device 4 go out media port 24, the oil-in of this compressed oil cylinder 21 is connected with said drive device for hydraulic 5.
With reference to accompanying drawing 1, Fig. 2, Fig. 6 and Fig. 8.Said water supply pressure device 4 comprises a water pump 40 and the sealing water tank 41 that is communicated with this water pump 40; Sealing water tank 41 is provided with two-way rising pipe 410,411; This two-way rising pipe 410,411 is connected with water delivering orifice 24 and water delivering orifice 34 respectively accordingly, and on the rising pipe of every road the reduction valve 42 that is used to regulate hydraulic pressure is installed.
With reference to accompanying drawing 1, Fig. 5 and Fig. 7.Said drive device for hydraulic 5 comprises oil pressure station 50, be connected in the flowline 51 of oil pressure station 50 oil-outs, be installed on electromagnetic relief valve 52 on the flowline 51, be used for flowline 51 is divided into the branch oil circuit assembly 54 of a plurality of oil distributing pipes 53; Each oil distributing pipe 53 all is equipped with the reduction valve 55 that is used to limit MTP successively, is used to regulate the solenoid valve 56 of oil pressure in the corresponding oil distributing pipe 53 and the pressure retaining valve 57 that is used to keep oil cylinder working-pressure, and the oil-in of said push cylinder 32 and three clamping cylinders 33 is connected with corresponding oil distributing pipe 53 respectively.
This pressure testing machine is fit to detect the valve that uses on the waterpipe, and it supplies constant hydraulic pressure to detect its hydraulic pressure resistance situation through water supply pressure device 4 to valve internal, and judges through its inside water pressure numerical value of water pressure gauge demonstration on the observation operation bench 1 whether product is qualified.
Embodiment two
With reference to accompanying drawing 1 and accompanying drawing 9.The embodiment of present embodiment and embodiment one is basic identical; Difference be said confession medium press-fit be changed to fuel feeding pressure device 4 '; It comprises an oil pump 40 ' and with the sealing storage tank 41 of this oil pump 40 ' be communicated with '; Sealing storage tank 41 ' be provided with two-way flowline 410 ', 411 '; This two-way flowline 410 ', 411 ' respectively accordingly with roof pressing type test board 2 and clip type test board 3 on the media port that goes out be connected, and be equipped with on the flowline of every road the reduction valve 42 that is used to regulate oil pressure '.
This pressure testing machine is fit to detect the valve that uses on the oil-piping; It is through fuel feeding pressure device 4 ' supply constant oil pressure to detect its anti-oil pressure situation to valve internal, and shows that through observing on the operation bench 1 oil pressure gauge its internal oil pressure numerical value judges whether product is qualified.
Implement three
With reference to accompanying drawing 1 and accompanying drawing 10.The embodiment of present embodiment and embodiment one is basic identical; Difference is that said confession medium press-fits and is changed to air feed pressure device 4 "; it comprises the sealing gas-holder 41 that an air pump 40 " and with this air pump 40 " is communicated with "; Sealing gas-holder 41 " is provided with two-way escape pipe 410 ", 411 ", this two-way escape pipe 410 ", 411 " are connected with the roof pressing type test board 2 and the media port that goes out on the clip type test board 3 accordingly respectively, and on the escape pipe of every road the reduction valve 42 that is used to regulate air pressure are installed ".
The valve that uses on the suitable detected gas pipeline of this pressure testing machine; It is through air feed pressure device 4 " supplies constant air pressure to detect its anti-air pressure situation to valve internal, and judges through its air pressure inside numerical value of rain glass demonstration on the observation operation bench 1 whether product is qualified.
Above-mentionedly be merely embodiment of the present invention, but design concept of the present invention is not limited thereto, allly utilizes this design that the present invention is carried out the change of unsubstantiality, all should belong to the behavior of invading protection domain of the present invention.
Claims (8)
1. pressure testing machine that detects valve pressurized performance; It is characterized in that: comprise operation bench, roof pressing type test board, clip type test board and the confession medium pressure device and the drive device for hydraulic that cooperate with roof pressing type test board and clip type test board respectively; This confession medium pressure device and drive device for hydraulic all are controlled by operation bench; Said clip type test board comprises the jaw test board, be installed on active jaw on the jaw test board, with two driven jaws of jaw synchronization action initiatively, to be positioned at the jaw test board inner and be used to promote the push cylinder that jaw initiatively moves horizontally and be respectively applied for drive corresponding driving and driven jaw valve is clamped three clamping cylinders of action, this push cylinder is connected with said drive device for hydraulic respectively with three clamping cylinders.
2. a kind of pressure testing machine that detects valve pressurized performance as claimed in claim 1 is characterized in that: said two driven jaws are connected in said active jaw through linkage assembly respectively, and said push cylinder and this active jaw level are in transmission connection.
3. according to claim 1 or claim 2 a kind of pressure testing machine that detects valve pressurized performance; It is characterized in that: said jaw test board end face offers one and goes out media port and be used for initiatively jaw and two three jaw mouths that driven jaw stretches out; Saidly go out media port and be positioned at three jaw mouths and surround the geometric center place of equilateral triangle as three end points, this goes out media port and is connected with said confession medium pressure device.
4. according to claim 1 or claim 2 a kind of pressure testing machine that detects valve pressurized performance; It is characterized in that: said drive device for hydraulic comprises the oil pressure station, be connected in the flowline of oil pressure station oil-out, be installed on electromagnetic relief valve on the flowline, be used for flowline is divided into the branch oil circuit assembly of a plurality of oil distributing pipes; Each oil distributing pipe all is equipped with the reduction valve that is used to limit MTP successively, is used to regulate the solenoid valve of oil pressure in the corresponding oil distributing pipe and the pressure retaining valve that is used to keep oil cylinder working-pressure, and the oil-in of said push cylinder and three clamping cylinders is connected with corresponding oil distributing pipe respectively.
5. a kind of pressure testing machine that detects valve pressurized performance as claimed in claim 3; It is characterized in that: said confession medium press-fits and is changed to the water supply pressure device; It comprises a water pump and the sealing water tank that is communicated with this water pump; The sealing water tank is provided with the two-way rising pipe, this two-way rising pipe respectively accordingly with roof pressing type test board and clip type test board on the media port that goes out be connected, and on the rising pipe of every road the reduction valve that is used to regulate hydraulic pressure is installed.
6. a kind of pressure testing machine that detects valve pressurized performance as claimed in claim 3; It is characterized in that: said confession medium press-fits and is changed to the fuel feeding pressure device; It comprises an oil pump and the sealing storage tank that is communicated with this oil pump; The sealing storage tank is provided with the two-way flowline, this two-way flowline respectively accordingly with roof pressing type test board and clip type test board on the media port that goes out be connected, and on the flowline of every road the reduction valve that is used to regulate oil pressure is installed.
7. a kind of pressure testing machine that detects valve pressurized performance as claimed in claim 3; It is characterized in that: said confession medium press-fits and is changed to the air feed pressure device; It comprises an air pump and the sealing gas-holder that is communicated with this air pump; The sealing gas-holder is provided with the two-way escape pipe, this two-way escape pipe respectively accordingly with roof pressing type test board and clip type test board on the media port that goes out be connected, and on the escape pipe of every road the reduction valve that is used to regulate air pressure is installed.
8. according to claim 1 or claim 2 a kind of pressure testing machine that detects valve pressurized performance; It is characterized in that: said roof pressing type test board comprises roof pressure test board and compressed oil cylinder, top board and the lower platen arranged successively from top to bottom; This top board is connected on the output terminal of said compressed oil cylinder; This lower platen is fixedly arranged on the roof pressure test board, and the media port that goes out on it is connected with said confession medium pressure device, and the oil-in of this compressed oil cylinder is connected with said drive device for hydraulic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210313243.1A CN102840952B (en) | 2012-08-30 | 2012-08-30 | Pressure tester for detecting compression performance of valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210313243.1A CN102840952B (en) | 2012-08-30 | 2012-08-30 | Pressure tester for detecting compression performance of valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102840952A true CN102840952A (en) | 2012-12-26 |
| CN102840952B CN102840952B (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210313243.1A Active CN102840952B (en) | 2012-08-30 | 2012-08-30 | Pressure tester for detecting compression performance of valve |
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| CN (1) | CN102840952B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104180953A (en) * | 2014-07-19 | 2014-12-03 | 芜湖恒坤汽车部件有限公司 | Oil-pressure airtightness tester for multiple brake pumps |
| CN104792465A (en) * | 2014-01-22 | 2015-07-22 | 烟台中集来福士海洋工程有限公司 | Valve detection device and method |
| CN105890852A (en) * | 2016-06-20 | 2016-08-24 | 安庆宜源石油机械配件制造有限责任公司 | Pressure testing device for high/medium/low-pressure valve |
| CN108132129A (en) * | 2017-12-20 | 2018-06-08 | 何志方 | A kind of pipeline valve pressure testing device |
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2012
- 2012-08-30 CN CN201210313243.1A patent/CN102840952B/en active Active
Patent Citations (4)
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| KR20090129677A (en) * | 2008-06-13 | 2009-12-17 | 광진정기(주) | Leak testing system of check valve for piston cooling |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792465A (en) * | 2014-01-22 | 2015-07-22 | 烟台中集来福士海洋工程有限公司 | Valve detection device and method |
| CN104180953A (en) * | 2014-07-19 | 2014-12-03 | 芜湖恒坤汽车部件有限公司 | Oil-pressure airtightness tester for multiple brake pumps |
| CN104180953B (en) * | 2014-07-19 | 2017-02-15 | 芜湖恒坤汽车部件有限公司 | Oil-pressure airtightness tester for multiple brake pumps |
| CN105890852A (en) * | 2016-06-20 | 2016-08-24 | 安庆宜源石油机械配件制造有限责任公司 | Pressure testing device for high/medium/low-pressure valve |
| CN108132129A (en) * | 2017-12-20 | 2018-06-08 | 何志方 | A kind of pipeline valve pressure testing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102840952B (en) | 2014-09-10 |
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Effective date of registration: 20170427 Address after: 362300 Nanan Province, Quanzhou City, the town of high-tech park Patentee after: Huaguang Valve Co., Ltd. Address before: 362300 Nanan Province, Quanzhou City, the town of high-tech park Patentee before: Fujian Biaoguang Valve Technology Co.,Ltd. |
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