CN102840952B - Pressure tester for detecting compression performance of valve - Google Patents
Pressure tester for detecting compression performance of valve Download PDFInfo
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- CN102840952B CN102840952B CN201210313243.1A CN201210313243A CN102840952B CN 102840952 B CN102840952 B CN 102840952B CN 201210313243 A CN201210313243 A CN 201210313243A CN 102840952 B CN102840952 B CN 102840952B
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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, refer to especially a kind of pressure testing machine that detects valve Compressive Performance, it can extensively detect the valve using on waterpipe, gas pipeline and oil-piping.
Background technology
In view of valve is as opening and closing device, its sealing property is had to very strict requirement, therefore in process of production and the last stage of dispatching from the factory all to do experiments of sealing performance, must carry out two-way pressure testing to valve, valve-off carries out respectively pressure-resistant seal test 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 only has single roof pressing type test board, and the valve specification that this test board can be tested is limited, and when test board top pressure pressure is not enough, valve easily produces to break away and causes sealing not tight, tests inaccurate.In addition, existing pressure testing machine only has single test board, and machine parts is made a low multiple use.
Summary of the invention
The object of the invention is to overcome the defect of existing technology, a kind of pressure testing machine of reliable, detection valve Compressive 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 Compressive 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 coordinate with roof pressing type test board and clip type test board respectively, this confession medium pressure device and drive device for hydraulic are all controlled by operation bench, described clip type test board comprises jaw test board, be installed on the active jaw on jaw test board, two driven jaws with active jaw synchronization action, be positioned at jaw test board inner and for promoting the push cylinder that initiatively jaw moves horizontally and being respectively used to drive corresponding master, driven jaw clamps three clamping cylinders of action to valve, this push cylinder is connected with described drive device for hydraulic respectively with three clamping cylinders.
Further, described two driven jaws are connected in described active jaw by linkage assembly respectively, and described push cylinder and this active jaw level are in transmission connection.
Further, described jaw test board end face offers one and goes out media port and for active jaw and two three jaw mouths that driven jaw stretches out, describedly go out media port and be positioned at three jaw mouths and as three end points, surround the geometric center place of equilateral triangle, this goes out media port and is connected for medium pressure device with described.
Further, described drive device for hydraulic comprises oil pressure station, be connected in the flowline of oil pressure station oil-out, be installed on electromagnetic relief valve on flowline, for flowline being divided into minute oil circuit assembly of a plurality of oil distributing pipes, each oil distributing pipe is all provided with reduction valve for limiting MTP successively, for regulating the solenoid valve of oil pressure in corresponding oil distributing pipe and for keeping the pressure retaining valve of oil cylinder working-pressure, the oil-in of described push cylinder and three clamping cylinders is connected with corresponding oil distributing pipe respectively.
Further, describedly for medium, press-fit and be set to water supply pressure device, it comprises a water pump and the sealing water tank being communicated with this water pump, sealing water tank is provided with two-way rising pipe, this two-way rising pipe is connected with the media port that goes out on roof pressing type test board and clip type test board respectively accordingly, and is provided with for regulating the reduction valve of hydraulic pressure on the rising pipe of every road.
Further, describedly for medium, press-fit and be set to fuel feeding pressure device, it comprises an oil pump and the tight storage tank being communicated with this oil pump, sealing storage tank is provided with two-way flowline, this two-way flowline is connected with the media port that goes out on roof pressing type test board and clip type test board respectively accordingly, and is provided with for regulating the reduction valve of oil pressure on the flowline of every road.
Further, describedly for medium, press-fit and be set to air feed pressure device, it comprises an air pump and the sealing gas-holder being communicated with this air pump, sealing gas-holder is provided with two-way escape pipe, this two-way escape pipe is connected with the media port that goes out on roof pressing type test board and clip type test board respectively accordingly, and on the escape pipe of every road, the reduction valve for adjustable pressure is installed.
Further, described roof pressing type test board comprises compressed oil cylinder, top board and the lower platen that top is pressed test board and arranged successively from top to bottom, this top board is connected on the output terminal of described compressed oil cylinder, this lower platen is fixedly arranged on top and presses on test board, and the media port that goes out on it is connected for medium pressure device with described, and the oil-in of this compressed oil cylinder is connected with described drive device for hydraulic.
From the above-mentioned description of this invention, compared to the prior art, tool of the present invention has the following advantages:
One, this pressure testing machine comprises roof pressing type test board and clip type test board, can to two valves, test simultaneously, improve testing efficiency, two test boards share one for medium pressure device and drive device for hydraulic simultaneously, improve the rate of comprehensive utilization of equipment, cost-saving.
Two, clip type test board drives two driven jaws to do push-and-pull campaign by active jaw, realizing the same of three jaws enters to move back together, can adjust jaw relative position according to different model valve, can effectively valve be sandwiched in to the central authorities of jaw test board, make valve whole stressed more steady, three jaws are under the drive of corresponding clip locking oil cylinder, can move up and down along jaw test board end face vertical direction, further pinch valve, valve will firmly be fixed on test board central authorities after clamped, avoid lateral excursion.
Three, can or supply oil gear or supply pneumatic shuttle for water supply pressure device for medium pressure device in this pressure testing machine, can carry out Compressive Performance detection for the valve of different purposes, as the valve using on waterpipe, oil-piping, gas pipeline, practical and also application extremely extensive.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of embodiment mono-.
Accompanying drawing 2 is the theory diagram of embodiment mono-.
Accompanying drawing 3 is active jaw in embodiment mono-and the cooperation principle schematic of two driven jaws.
Accompanying drawing 4 is the schematic diagram that the active jaw of embodiment mono-does to clamp action.
Accompanying drawing 5 is the fundamental diagram of drive device for hydraulic in embodiment mono-.
Accompanying drawing 6 is in embodiment mono-, to supply the schematic block diagram of hydraulic devices.
Accompanying drawing 7 is the schematic block diagram of drive device for hydraulic in embodiment mono-.
Accompanying drawing 8 is for sealing the schematic diagram of water tank in embodiment mono-.
Accompanying drawing 9 is in embodiment bis-, to supply the schematic block diagram of pneumatic shuttle.
Accompanying drawing 10 is in embodiment tri-, to supply the schematic block diagram of oil gear.
Embodiment
The specific embodiment of the present invention is described with reference to the accompanying drawings.
Embodiment mono-
With reference to accompanying drawing 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5.A kind of pressure testing machine that detects valve Compressive Performance, comprise operation bench 1, roof pressing type test board 2, clip type test board 3 and the confession medium pressure device and the drive device for hydraulic 5 that coordinate with roof pressing type test board 2 and clip type test board 3 respectively, this confession medium press-fits and is set to water supply pressure device 4, and this confession hydraulic devices 4 and drive device for hydraulic 5 are all controlled by operation bench 1.Described clip type test board 3 comprises jaw test board 30, be installed on active jaw 31 on jaw test board 30, with two driven jaws (not marking in figure) of jaw 31 synchronization actions initiatively, be positioned at that jaw test board 30 is inner and for promoting the push cylinder 32 that initiatively jaw 31 moves horizontally and being respectively used to drive corresponding driving and driven jaw valve to be clamped to three clamping cylinders 33 that move, this push cylinder 32 is connected with described drive device for hydraulic 5 respectively with three clamping cylinders 33.
With reference to accompanying drawing 1, Fig. 3 and Fig. 4.Described two driven jaws (not marking in figure) are connected in described active jaw 31 by linkage assembly 34 respectively, and described push cylinder 32 is in transmission connection with these active jaw 31 levels.Described jaw test board 3 end faces offer three jaw mouths 35 that media port 34 and stretch out for active jaw 31 and two driven jaws (figure does not mark), describedly go out media port 34 and be positioned at three jaw mouths 35 and as three end points, surround the geometric center place of equilateral triangle, this goes out media port 34 and is connected for hydraulic devices 4 with described.
With reference to accompanying drawing 1 and Fig. 2.Described roof pressing type test board 2 comprises compressed oil cylinder 21, top board 22 and the lower platen 23 that top is pressed test board 20 and arranged successively from top to bottom, this top board 22 is connected on the output terminal of described compressed oil cylinder 21, this lower platen 22 is fixedly arranged on top and presses on test board 20, and on it, offer with described for hydraulic devices 4, be connected go out media port 24, the oil-in of this compressed oil cylinder 21 is connected with described drive device for hydraulic 5.
With reference to accompanying drawing 1, Fig. 2, Fig. 6 and Fig. 8.The described hydraulic devices 4 that supplies comprises a water pump 40 and the sealing water tank 41 being 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, is provided with for regulating the reduction valve 42 of hydraulic pressure.
With reference to accompanying drawing 1, Fig. 5 and Fig. 7.Described 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 flowline 51, for flowline 51 being divided into minute oil circuit assembly 54 of a plurality of oil distributing pipes 53, each oil distributing pipe 53 is all provided with reduction valve 55 for limiting MTP successively, for regulating the solenoid valve 56 of corresponding oil distributing pipe 53 interior oil pressure and for keeping the pressure retaining valve 57 of oil cylinder working-pressure, the oil-in of described push cylinder 32 and three clamping cylinders 33 is connected with corresponding oil distributing pipe 53 respectively.
This pressure testing machine be applicable to detect the valve using on waterpipe, and it is by detecting its hydraulic pressure resistance situation to valve internal for constant hydraulic pressure for hydraulic devices 4, and shows that by observing on operation bench 1 water pressure gauge its inside water pressure numerical value judges that whether product is qualified.
Embodiment bis-
With reference to accompanying drawing 1 and accompanying drawing 9.The embodiment of the present embodiment and embodiment mono-is basic identical, difference be described for medium press-fit be set to fuel feeding pressure device 4 ', it comprise an oil pump 40 ' and with the tight 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 ' be connected with the media port that goes out on roof pressing type test board 2 and clip type test board 3 accordingly respectively, and on the flowline of every road, be provided with reduction valve 42 for regulating oil pressure '.
This pressure testing machine is applicable to detecting the valve using on oil-piping, it is by for oil gear 4 ' detect its anti-oil pressure situation for constant oil pressure to valve internal, and shows that by observing on operation bench 1 oil pressure gauge its internal oil pressure numerical value judges that whether product is qualified.
Implement three
With reference to accompanying drawing 1 and accompanying drawing 10.The embodiment of the present embodiment and embodiment mono-is basic identical, difference is describedly for medium, to press-fit and be set 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 media port that goes out on roof pressing type test board 2 and clip type test board 3 respectively accordingly, and on the escape pipe of every road, the reduction valve 42 for adjustable pressure is installed ".
This pressure testing machine is applicable to detecting the valve using on gas pipeline, it is by for pneumatic shuttle 4 " detects its anti-air pressure situation to valve internal for constant air pressure, and shows that by observing on operation bench 1 rain glass its air pressure inside numerical value judges that whether product is qualified.
Above are only the specific embodiment of the present invention, but design concept of the present invention is not limited to this, allly utilizes this design to carry out the change of unsubstantiality to the present invention, all should belong to the behavior of invading protection domain of the present invention.
Claims (6)
1. a pressure testing machine that detects valve Compressive 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 coordinate with roof pressing type test board and clip type test board respectively, this confession medium pressure device and drive device for hydraulic are all controlled by operation bench, described clip type test board comprises jaw test board, be installed on the active jaw on jaw test board, two driven jaws with active jaw synchronization action, be positioned at jaw test board inner and for promoting the push cylinder that initiatively jaw moves horizontally and being respectively used to drive corresponding master, driven jaw clamps three clamping cylinders of action to valve, this push cylinder is connected with described drive device for hydraulic respectively with three clamping cylinders, described jaw test board end face offers one and goes out media port and for active jaw and two three jaw mouths that driven jaw stretches out, describedly go out media port and be positioned at three jaw mouths and as three end points, surround the geometric center place of equilateral triangle, this goes out media port and is connected for medium pressure device with described, described roof pressing type test board comprises compressed oil cylinder, top board and the lower platen that top is pressed test board and arranged successively from top to bottom, this top board is connected on the output terminal of described compressed oil cylinder, this lower platen is fixedly arranged on top and presses on test board, and the media port that goes out on it is connected for medium pressure device with described, and the oil-in of this compressed oil cylinder is connected with described drive device for hydraulic.
2. a kind of pressure testing machine that detects valve Compressive Performance as described in claim 1, is characterized in that: described two driven jaws are connected in described active jaw by linkage assembly respectively, and described push cylinder and this active jaw level are in transmission connection.
3. a kind of pressure testing machine that detects valve Compressive Performance as described in claim 1 or 2, it is characterized in that: described drive device for hydraulic comprises oil pressure station, be connected in the flowline of oil pressure station oil-out, be installed on the electromagnetic relief valve on flowline, for flowline being divided into minute oil circuit assembly of a plurality of oil distributing pipes, each oil distributing pipe is all provided with successively for limiting the reduction valve of MTP, for regulating the solenoid valve of oil pressure in corresponding oil distributing pipe and for keeping the pressure retaining valve of oil cylinder working-pressure, the oil-in of described push cylinder and three clamping cylinders is connected with corresponding oil distributing pipe respectively.
4. a kind of pressure testing machine that detects valve Compressive Performance as described in claim 1, it is characterized in that: describedly for medium, press-fit and be set to water supply pressure device, it comprises a water pump and the sealing water tank being communicated with this water pump, sealing water tank is provided with two-way rising pipe, this two-way rising pipe is connected with the media port that goes out on roof pressing type test board and clip type test board respectively accordingly, and is provided with for regulating the reduction valve of hydraulic pressure on the rising pipe of every road.
5. a kind of pressure testing machine that detects valve Compressive Performance as claimed in claim 1, it is characterized in that: describedly for medium, press-fit and be set to fuel feeding pressure device, it comprises an oil pump and the tight storage tank being communicated with this oil pump, sealing storage tank is provided with two-way flowline, this two-way flowline is connected with the media port that goes out on roof pressing type test board and clip type test board respectively accordingly, and is provided with for regulating the reduction valve of oil pressure on the flowline of every road.
6. a kind of pressure testing machine that detects valve Compressive Performance as claimed in claim 1, it is characterized in that: describedly for medium, press-fit and be set to air feed pressure device, it comprises an air pump and the sealing gas-holder being communicated with this air pump, sealing gas-holder is provided with two-way escape pipe, this two-way escape pipe is connected with the media port that goes out on roof pressing type test board and clip type test board respectively accordingly, and on the escape pipe of every road, the reduction valve for adjustable pressure is installed.
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 |
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| Publication Number | Publication Date |
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| CN102840952A CN102840952A (en) | 2012-12-26 |
| CN102840952B true CN102840952B (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210313243.1A Active CN102840952B (en) | 2012-08-30 | 2012-08-30 | Pressure tester for detecting compression performance of valve |
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Families Citing this family (4)
| 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 |
| 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 |
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| KR20090129677A (en) * | 2008-06-13 | 2009-12-17 | 광진정기(주) | Leak testing system of check valve for piston cooling |
| CN201795910U (en) * | 2010-09-07 | 2011-04-13 | 郭刚 | Safety valve checking and testing equipment |
| CN202339255U (en) * | 2012-03-27 | 2012-07-18 | 广新海事重工股份有限公司 | Hydraulic and mechanical combined valve pressure tester |
| CN202735051U (en) * | 2012-08-30 | 2013-02-13 | 福建省标光阀门科技有限公司 | Pressure test machine capable of detecting compressed performance of valve |
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2012
- 2012-08-30 CN CN201210313243.1A patent/CN102840952B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090129677A (en) * | 2008-06-13 | 2009-12-17 | 광진정기(주) | Leak testing system of check valve for piston cooling |
| CN201795910U (en) * | 2010-09-07 | 2011-04-13 | 郭刚 | Safety valve checking and testing equipment |
| CN202339255U (en) * | 2012-03-27 | 2012-07-18 | 广新海事重工股份有限公司 | Hydraulic and mechanical combined valve pressure tester |
| CN202735051U (en) * | 2012-08-30 | 2013-02-13 | 福建省标光阀门科技有限公司 | Pressure test machine capable of detecting compressed performance of valve |
Non-Patent Citations (2)
| Title |
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| 《气压式阀门试压装置的开发与应用》;王振洪;《石油工程建设》;20041231;第30卷(第6期);第71-73页 * |
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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. |