CN104359624A - Plug valve pressure tester - Google Patents
Plug valve pressure tester Download PDFInfo
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- CN104359624A CN104359624A CN201410543390.7A CN201410543390A CN104359624A CN 104359624 A CN104359624 A CN 104359624A CN 201410543390 A CN201410543390 A CN 201410543390A CN 104359624 A CN104359624 A CN 104359624A
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- plate
- pressure testing
- piston
- cylinder sleeve
- base plate
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Abstract
The invention discloses a plug valve pressure tester which is characterized in that a middle plate is parallelly disposed right above a base plate, a cylinder sleeve is disposed between the middle plate and the base plate, the base plate and the middle plate are tensioned by first bolts, a piston is mounted in the cylinder sleeve, the upper end of the piston is movably sealed with the via hole in the middle plate, the piston body on the middle lower portion of the piston is movably sealed with the inner wall of the cylinder sleeve, a top plate is disposed right above the middle plate, the top plate is fixed with the middle plate through second bolts, an observation hole is formed in the top plate, a pressure testing blind plate is disposed on the lower support plate of a support component, an oil inlet is formed in the pressure testing blind plate, a large via hole is formed in an upper support plate, the upper support plate is disposed right above the lower support plate, the upper support plate is fixed with the lower support plate through a connecting plate, a slide sleeve is fixed on each of the upper portion, and the two slide sleeves sleeve one of the second bolts. The plug valve pressure tester has the advantages that a pipe joint in the prior art is omitted, labor-consuming pipe joint connection is avoided, the two ports of a plug valve are sealed by the plates, and pressure oil is injected for pressure testing.
Description
Technical field
The invention belongs to stopcock and manufacture field, specifically, particularly relate to a kind of stopcock pressure testing machine.
Background technology
As everyone knows, stopcock is that one uses valve widely, and it needs to carry out pressure testing after completing manufacture.At present, general needs first connects two pipe adapters at the two ends of stopcock by fine thread, and connecting pipe joint generally adopts manually or Special Equipment completes, and then carries out pressure testing.The defect of existing pressure testing mode is: adopt manual type to carry out connecting pipe joint and compare effort, be so not only not easy to operation, and sealing effectiveness can not ensure.In addition, although adopt Special Equipment to connect conveniently, sealing effectiveness can be ensured, equipment cost can be increased like this.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of easy to use, structure simple mechanical type stopcock pressure testing machine.
Technical scheme of the present invention is as follows: a kind of stopcock pressure testing machine, it is characterized in that: comprise base plate, top board and supporting component, wherein there is one piece of intermediate plate directly over base plate side by side, a cylinder sleeve is fixed with between this two boards, the upper and lower port of this cylinder sleeve is close to the respective plate face of respective panels respectively, and base plate and intermediate plate are by together with one group of first bolt tension vertically arranged; Described cylinder sleeve is built with a piston, via hole motive seal on this piston upper end and described intermediate plate, and the piston body of piston middle and lower part and inboard wall of cylinder liner motive seal, and described base plate and intermediate plate are equipped with an inlet nozzle, and by these two inlet nozzles respectively to oiling in the cylinder sleeve of piston body upper and lower sides; Described top board also comes directly over intermediate plate, and this two boards is fixedly connected with by the second bolt that a group is vertically arranged, and vertically has a viewport in the center of top board;
Described supporting component comprises lower supporting plate and upper backup pad, wherein lower supporting plate is leveling board, the upper face horizontal positioned of this lower supporting plate has one piece of PRESSURE TESTING BLIND FLANGE, PRESSURE TESTING BLIND FLANGE has an oil supply hole, the import of this oil supply hole is positioned at PRESSURE TESTING BLIND FLANGE side, and the outlet of oil supply hole is positioned at PRESSURE TESTING BLIND FLANGE end face; Described upper backup pad vertically has a large via hole, this upper backup pad also comes directly over lower supporting plate, this two boards is fixed by web joint, and the upper and lower part of this web joint is all installed with a sliding sleeve, and these two sliding sleeve empty sets are wherein on described second bolt.
First rotational support assembly during use, make lower supporting plate and upper backup pad be positioned at the outside of the second bolt, and move stopcock from top to bottom, to be placed in PRESSURE TESTING BLIND FLANGE by stopcock, the top of stopcock is arranged in the large via hole of upper backup pad; Then, then rotational support assembly, to make lower supporting plate and upper backup pad be positioned at directly over described piston, then by hydraulic control, piston is moved up, and head on supporting component and move up, until the upper port of stopcock and the lower face of top board are adjacent to; Finally, to the oil supply hole oiling of PRESSURE TESTING BLIND FLANGE, and by the bottom injection pressure oil of this oil supply hole to stopcock spool, at this moment observed by the viewport of top board, if the top observing stopcock spool has pressure oil to ooze out, then stopcock is defective, otherwise qualified.
Adopt above technical scheme, the present invention has abandoned existing pipe adapter in the art, so just need not remove connecting pipe joint arduously, the substitute is by plank by two of stopcock port sealings, the pressure oil that reinjects is to carry out pressure testing, and structure of the present invention is simple, easy to implement, easy to use, there is good practicality, be suitable for extensively promoting the use.
As preferably, described PRESSURE TESTING BLIND FLANGE is circular slab, and is up-small and down-big two-part staircase structure, and described oil supply hole is L shape hole.
For the ease of implementing, the upper and lower port of described cylinder sleeve inserts in the groove on base plate and intermediate plate respective panels face respectively.
Beneficial effect: the present invention has abandoned existing pipe adapter in the art, so just need not remove connecting pipe joint arduously, the substitute is two of stopcock port sealings by plank, reinject pressure oil to carry out pressure testing, structure of the present invention is simple, easy to implement, easy to use, there is good practicality, be suitable for extensively promoting the use.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
As shown in Figure 1, a kind of stopcock pressure testing machine, is formed primarily of base plate 1, intermediate plate 2, cylinder sleeve 3, first bolt 4, piston 5, top board 6, second bolt 7 and supporting component.Wherein, base plate 1 maintains static, and has one piece of intermediate plate 2 directly over this base plate 1 side by side, is fixed with a cylinder sleeve 3 between this two boards, and the upper and lower port of this cylinder sleeve 3 inserts in the groove on respective panels respective plate face respectively, and is close to respective plate face.Meanwhile, together with base plate 1 and intermediate plate 2 are strained by the first bolt 4 that a group is vertically arranged, the number of this first bolt 4 does corresponding selection according to actual needs.
Described cylinder sleeve 3 built with a piston 5, the via hole motive seal on this piston 5 upper end and described intermediate plate 2, and the piston body 5a of piston 5 middle and lower part and the inwall motive seal of cylinder sleeve 3.Meanwhile, described base plate 1 and intermediate plate 2 are equipped with an inlet nozzle (not shown in FIG.), and by these two inlet nozzles respectively to oiling in the cylinder sleeve 3 of piston body 5a the upper side and lower side, these two inlet nozzles by pipeline from Hydraulic Station oil suction.Described top board 6 also comes directly over intermediate plate 2, this two boards is fixedly connected with by the second bolt 7 that a group is vertically arranged, and vertically having a viewport 6a in the center of top board 6, the axial line of this viewport 6a and the axial line of described piston 5 are on same straight line.
Described supporting component is formed primarily of lower supporting plate 8, PRESSURE TESTING BLIND FLANGE 9, upper backup pad 10, web joint 11 and sliding sleeve 12.Wherein, lower supporting plate 8 is leveling board, and the upper face horizontal positioned of this lower supporting plate 8 has one piece of PRESSURE TESTING BLIND FLANGE 9, and this PRESSURE TESTING BLIND FLANGE 9 is circular slab, and is up-small and down-big two-part staircase structure.PRESSURE TESTING BLIND FLANGE 9 has the oil supply hole 9a of a L shape, and the import of this oil supply hole 9a is positioned at PRESSURE TESTING BLIND FLANGE 9 side, and the outlet of oil supply hole 9a is positioned at PRESSURE TESTING BLIND FLANGE 9 end face.Described upper backup pad 10 vertically has a large via hole 10a, this upper backup pad 10 also comes directly over lower supporting plate 8, this two boards is fixed by one piece of web joint 11, the upper and lower part of this web joint 10 is all installed with a sliding sleeve 12, and these two sliding sleeve 12 empty sets are wherein on described second bolt 7.
Principle of work of the present invention is as follows;
First rotational support assembly, makes lower supporting plate 8 and upper backup pad 10 be positioned at the outside of the second bolt 7, and moves stopcock X from top to bottom, to be placed in PRESSURE TESTING BLIND FLANGE 9 by stopcock X, the top of stopcock X is arranged in the large via hole 10a of upper backup pad 10; Then, then rotational support assembly, to make lower supporting plate 8 and upper backup pad 10 be positioned at directly over described piston 5, then by hydraulic control, piston 5 is moved up, and head on supporting component and move up, until the lower face of the upper port of stopcock X and top board 6 is adjacent to; Finally, to the oil supply hole 9a oiling of PRESSURE TESTING BLIND FLANGE 9, and by the bottom injection pressure oil of this oil supply hole 9a to stopcock X spool, at this moment observed by the viewport 6a of top board 6, if the top observing stopcock X spool has pressure oil to ooze out, then stopcock X is defective, otherwise qualified.
The foregoing is only preferred embodiment of the present invention, is not restriction with the present invention, and all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. a stopcock pressure testing machine, it is characterized in that: comprise base plate (1), top board (6) and supporting component, wherein there is one piece of intermediate plate (2) directly over base plate (1) side by side, a cylinder sleeve (3) is fixed with between this two boards, the upper and lower port of this cylinder sleeve is close to the respective plate face of respective panels respectively, and base plate (1) and intermediate plate (2) are by one group of the first bolt (4) tension vertically arranged together; Described cylinder sleeve (3) is built with a piston (5), via hole motive seal on this piston upper end and described intermediate plate (2), and the piston body (5a) of piston (5) middle and lower part and cylinder sleeve (3) inwall motive seal, and described base plate (1) and intermediate plate (2) are equipped with an inlet nozzle, and by cylinder sleeve (3) the interior oiling of these two inlet nozzles respectively to piston body (5a) upper and lower sides; Described top board (6) also comes directly over intermediate plate (2), this two boards is fixedly connected with by the second bolt (7) that a group is vertically arranged, and vertically has a viewport (6a) in the center of top board (6);
Described supporting component comprises lower supporting plate (8) and upper backup pad (10), wherein lower supporting plate (8) is leveling board, the upper face horizontal positioned of this lower supporting plate has one piece of PRESSURE TESTING BLIND FLANGE (9), PRESSURE TESTING BLIND FLANGE has an oil supply hole (9a), the import of this oil supply hole is positioned at PRESSURE TESTING BLIND FLANGE (9) side, and the outlet of oil supply hole (9a) is positioned at PRESSURE TESTING BLIND FLANGE (9) end face; Described upper backup pad (10) vertically has a large via hole (10a), this upper backup pad also comes directly over lower supporting plate (8), this two boards is fixed by web joint (11), the upper and lower part of this web joint is all installed with a sliding sleeve (12), and these two sliding sleeve empty sets are wherein on described second bolt (7).
2. stopcock pressure testing machine according to claim 1, is characterized in that: described PRESSURE TESTING BLIND FLANGE (9) is circular slab, and is up-small and down-big two-part staircase structure, and described oil supply hole (12a) is L shape hole.
3. stopcock pressure testing machine according to claim 1 and 2, is characterized in that: the upper and lower port of described cylinder sleeve (3) inserts in the groove on base plate (1) and intermediate plate (2) respective panels face respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410543390.7A CN104359624A (en) | 2014-10-15 | 2014-10-15 | Plug valve pressure tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410543390.7A CN104359624A (en) | 2014-10-15 | 2014-10-15 | Plug valve pressure tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104359624A true CN104359624A (en) | 2015-02-18 |
Family
ID=52526907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410543390.7A Pending CN104359624A (en) | 2014-10-15 | 2014-10-15 | Plug valve pressure tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104359624A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110424953A (en) * | 2019-09-11 | 2019-11-08 | 天津市正方科技发展有限公司 | Pressure testing pipe nipple |
| CN116659778A (en) * | 2023-08-02 | 2023-08-29 | 四川宏大安全技术服务有限公司 | Plug valve pressure test device and pressure test method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000055767A (en) * | 1998-08-07 | 2000-02-25 | Toyo Kakoki Kk | Device and method for testing gas valve for cylinder |
| RU2217720C2 (en) * | 2002-01-28 | 2003-11-27 | Открытое акционерное общество "Пензенское конструкторско-технологическое бюро арматуростроения" | Bed for hydraulic test of flanged valves |
| CN201497645U (en) * | 2009-08-14 | 2010-06-02 | 中国石油集团川庆钻探工程有限公司长庆管具公司 | Internal blowout prevention tool hydraulic pressure testing device |
| CN203385524U (en) * | 2013-08-29 | 2014-01-08 | 南京晨灿机械制造有限公司 | Hydraulic-drive pressure testing tool of valve |
| CN103592145A (en) * | 2013-10-30 | 2014-02-19 | 濮阳中石集团有限公司 | Pressure test device of hydraulic cementing tool and working method |
| CN204228332U (en) * | 2014-10-15 | 2015-03-25 | 重庆中重石油机械有限公司 | Stopcock pressure testing machine |
-
2014
- 2014-10-15 CN CN201410543390.7A patent/CN104359624A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000055767A (en) * | 1998-08-07 | 2000-02-25 | Toyo Kakoki Kk | Device and method for testing gas valve for cylinder |
| RU2217720C2 (en) * | 2002-01-28 | 2003-11-27 | Открытое акционерное общество "Пензенское конструкторско-технологическое бюро арматуростроения" | Bed for hydraulic test of flanged valves |
| CN201497645U (en) * | 2009-08-14 | 2010-06-02 | 中国石油集团川庆钻探工程有限公司长庆管具公司 | Internal blowout prevention tool hydraulic pressure testing device |
| CN203385524U (en) * | 2013-08-29 | 2014-01-08 | 南京晨灿机械制造有限公司 | Hydraulic-drive pressure testing tool of valve |
| CN103592145A (en) * | 2013-10-30 | 2014-02-19 | 濮阳中石集团有限公司 | Pressure test device of hydraulic cementing tool and working method |
| CN204228332U (en) * | 2014-10-15 | 2015-03-25 | 重庆中重石油机械有限公司 | Stopcock pressure testing machine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110424953A (en) * | 2019-09-11 | 2019-11-08 | 天津市正方科技发展有限公司 | Pressure testing pipe nipple |
| CN116659778A (en) * | 2023-08-02 | 2023-08-29 | 四川宏大安全技术服务有限公司 | Plug valve pressure test device and pressure test method thereof |
| CN116659778B (en) * | 2023-08-02 | 2023-11-10 | 四川宏大安全技术服务有限公司 | Plug valve pressure test device and pressure test method thereof |
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| PB01 | Publication | ||
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Application publication date: 20150218 |