CN104483188A - Pressure test tool for sealing pressure vessel welding grooves - Google Patents
Pressure test tool for sealing pressure vessel welding grooves Download PDFInfo
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- CN104483188A CN104483188A CN201510004614.1A CN201510004614A CN104483188A CN 104483188 A CN104483188 A CN 104483188A CN 201510004614 A CN201510004614 A CN 201510004614A CN 104483188 A CN104483188 A CN 104483188A
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- pressure
- welding
- bevel
- pressure test
- seal groove
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- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a pressure test tool for sealing pressure vessel welding grooves. The pressure test tool comprises a pressure test tool body and a pressure test connector. The right side face of the pressure test tool body is provided with annular welding grove sealing grooves. Each welding groove sealing groove comprises a sealing ring containing portion and a welding groove matching portion. The welding groove matching portions of the welding groove sealing grooves are matched with the welding grooves of the pressure vessel welding grooves. The sealing ring placing portions are internally provided with O-shaped sealing rings. The center of the pressure test tool body is provided with an assembling hole. The pressure test connector is assembled into the assembling hole of the pressure test tool body. The left end of the pressure test connector is further connected with a pressure device. The center of the pressure test connector is provided with a pressure conduction hole. The right side face of the pressure test tool body is provided with inclined holes communicated with the welding groove sealing grooves. By means of the pressure test tool for sealing the pressure vessel welding grooves, the pressure test function is met, the problem that through a traditional pressure test method, the welding grooves are prone to deformation and damage by bumping is solved, the whole structure is higher in safety, the cost is saved, and the pressure test tool is higher in using efficiency and easy to operate.
Description
Technical field
The present invention relates to a kind of structure for pressure test of pressure vessel, the structure for pressure test of particularly a kind of pressure vessel bevel for welding sealing.
Background technology
When pressure vessel (valve of welding bevel end, flange, pipeline) product pressure is tested, need to the sealing of welding bevel end.Generally, bevel for welding end port wall is thin is about 1.5mm, and traditional pressure-measuring method (port sealing, inner wall sealing) is damage O RunddichtringO easily, and after pressure testing, bevel for welding end port is easily out of shape, damages, and causes pressure vessel damage of product to be scrapped.Therefore, market is badly in need of a kind ofly can not damage bevel for welding and again can the structure for pressure test of effective sealing bevel for welding.
Summary of the invention
For solving the problems of the technologies described above, the object of the present invention is to provide a kind of structure for pressure test that can not damage bevel for welding, the sealing of security is higher, cost-saving, service efficiency is higher and simple to operation bevel for welding.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the present invention is achieved through the following technical solutions: a kind of structure for pressure test of pressure vessel bevel for welding sealing, comprise structure for pressure test body and action pressure-testing joint, the right flank of structure for pressure test body offers the bevel for welding seal groove of multiple tracks annular, per pass bevel for welding seal groove comprises the O-ring seal placement section being positioned at left end and the bevel for welding auxiliary section being positioned at right-hand member, the bevel for welding auxiliary section of described bevel for welding seal groove coordinates with the bevel for welding of pressure vessel, the O-ring seal placement section of described bevel for welding seal groove is built with O-ring seals, the center of described structure for pressure test body is provided with pilot hole, described action pressure-testing joint is assemblied in the pilot hole of structure for pressure test body, the left end of this action pressure-testing joint is connected with a press device again, the center of described action pressure-testing joint is provided with pressure conducting bores, the right flank of described pressure testing body offers in the position near per pass bevel for welding seal groove the inclined hole communicated with bevel for welding seal groove respectively.
Further, the left surface of described structure for pressure test body is provided with pressure seal groove, also O-ring seals is housed in this pressure seal groove.
Further, the shape of described pressure seal groove is rectangle.
Further, the left end of described action pressure-testing joint is provided with the assembling screw thread for assembling with press device, the right-hand member of action pressure-testing joint is provided with locking screw, action pressure-testing joint right-hand member is equipped with set nut by this locking screw, and structure for pressure test body is anchored on press device by the assembling screw thread of action pressure-testing joint left end, the locking screw of action pressure-testing joint right-hand member and the cooperation of set nut.
Further, described structure for pressure test body is circular, and the outer circumference surface of described structure for pressure test body offers hole for hoist.
Further, the shape of the O-ring seal placement section of described bevel for welding seal groove is rectangle.
The invention has the beneficial effects as follows: in the O-ring seal placement section of the bevel for welding seal groove in the present invention, be provided with O-ring seals, bevel for welding seal groove has again bevel for welding auxiliary section, thus after the bevel for welding auxiliary section of the bevel for welding of pressure vessel and bevel for welding seal groove assembles, assembling pressure can be produced, and then under the effect of assembling pressure, the O-ring seals in bevel for welding seal groove and welding groove surface juxtaposition metamorphose; Simultaneously, again because the position near bevel for welding seal groove is provided with inclined hole, thus the test pressure of pressure vessel inner chamber conducts to bevel for welding seal groove bottom land by inclined hole, under test pressure effect, O-ring seals in bevel for welding seal groove promotes towards welding groove surface direction, and produces pressure distortion; Thus, O-ring seals in bevel for welding seal groove is under assembling pressure and test pressure double action, seal welding groove, enhance sealing effectiveness, such design has simultaneously disperseed erection stress and the pressure testing stress of bevel for welding, while meeting pressure testing function, solve bevel for welding on traditional pressure-measuring method and be easily out of shape, damage and unhandy problem.
Total processing of the present invention is easy, and assembling is quick, easy to use, effectively reduces the labour intensity of workman, improves pressure testing efficiency, also improve safety in utilization simultaneously, ensure that the quality of pressure vessel product.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is cut-open view of the present invention.
Fig. 3 is the structural representation at the bevel for welding seal groove place in the present invention.
Fig. 4 is bevel for welding seal groove in the present invention and the schematic diagram that is sealed and matched between bevel for welding.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
It should be noted that "left", "right" here just the present invention and the exemplary direction that defines for convenience of description, as shown in Figure 2, paper left direction is " left side ", and paper right direction is " right side ".Certainly, those skilled in the art understand on basis of the present invention, also otherwise can define the directions such as "left", "right", fall within protection scope of the present invention equally.
As shown in Figures 1 to 4, a kind of structure for pressure test of pressure vessel bevel for welding sealing, comprises structure for pressure test body 1 and action pressure-testing joint 2, the right flank of structure for pressure test body 1 offers the bevel for welding seal groove 11 of multiple tracks annular.In the present invention, the center of the bevel for welding seal groove 11 of this multiple tracks annular all with the centres of structure for pressure test body 1.Per pass bevel for welding seal groove 11 comprises the O-ring seal placement section 111 being positioned at left end and the bevel for welding auxiliary section 112 being positioned at right-hand member, the bevel for welding auxiliary section 112 of described bevel for welding seal groove 11 coordinates with the bevel for welding 5 of pressure vessel, the O-ring seal placement section 111 of described bevel for welding seal groove 11 is built with O-ring seals 3, the center of described structure for pressure test body 1 is provided with pilot hole 14, described action pressure-testing joint 2 is assemblied in the pilot hole 14 of structure for pressure test body 1, the left end of this action pressure-testing joint 2 is connected with a press device (not shown) again, the center of described action pressure-testing joint 2 is provided with the pressure conducting bores 21 running through whole action pressure-testing joint 2, the right flank of described pressure testing body 1 offers in the position near per pass bevel for welding seal groove 11 inclined hole 12 communicated with bevel for welding seal groove 11 respectively.
The left surface of structure for pressure test body 1 is provided with pressure seal groove 15, in this pressure seal groove 15, O-ring seals 3 is also housed, to realize the sealing between structure for pressure test body 1 and press device.
Furtherly, the left end of action pressure-testing joint 2 is provided with the assembling screw thread 22 for assembling with press device, the right-hand member of action pressure-testing joint 2 is provided with locking screw 23, action pressure-testing joint 2 right-hand member is equipped with set nut 4 by this locking screw 23, and structure for pressure test body 1 is anchored on press device by the assembling screw thread 22 of action pressure-testing joint 2 left end, the locking screw 23 of action pressure-testing joint 2 right-hand member and the cooperation of set nut 4.
Furtherly, described structure for pressure test body 1 is circular, and the outer circumference surface of described structure for pressure test body 1 offers hole for hoist 13, convenient lifting.
Furtherly, the shape of pressure seal groove 15 is rectangle.The shape of the O-ring seal placement section 111 of bevel for welding seal groove 11 is also rectangle.
Action pressure-testing joint 2 loads the pilot hole 14 of structure for pressure test body 1 center, the left end of action pressure-testing joint 2 is connected with press device by assembling screw thread 22, the right-hand member of action pressure-testing joint 2 is connected with set nut 4 by locking screw 23, thus, under the cooperation of the assembling screw thread 22 of action pressure-testing joint 2, the locking screw 23 of action pressure-testing joint 2 and set nut 4, structure for pressure test body 1 is fastened on press device.When carrying out pressure test to pressure vessel, right flank and the pressure vessel of structure for pressure test body 1 are sealed and matched.In an embodiment of the present invention, the bevel for welding auxiliary section 112 of bevel for welding seal groove 11 has inclined-plane, therefore the bevel for welding auxiliary section 112 in this embodiment can be used for the bevel for welding that seal welding groove face is inclined-plane.According to difform bevel for welding, the bevel for welding auxiliary section 112 of bevel for welding seal groove 11 also can be designed to other shapes.As shown in Figure 4, the bevel for welding 5 of pressure vessel under the assembling guide effect of welding groove surface 51, with bevel for welding portion 112 close-fitting of the bevel for welding seal groove 11 of structure for pressure test body 1.Under the effect of the assembling pressure produced when assembling, the O-ring seals 3 in bevel for welding seal groove 11 and welding groove surface 51 juxtaposition metamorphose.The test pressure that press device provides conducts in the inner chamber of pressure vessel by the pressure conducting bores 21 on action pressure-testing joint 2, and the test pressure of pressure vessel inner chamber conducts to bevel for welding seal groove 11 bottom land by inclined hole 12, under test pressure effect, O-ring seals 3 in bevel for welding seal groove 11 promotes towards welding groove surface 51 direction, and produces pressure distortion.So, O-ring seals 3 in bevel for welding seal groove 11 is under assembling pressure and test pressure double action, seal welding groove 5, enhance sealing effectiveness, simultaneously bevel for welding seal groove 11 and the such unique design of inclined hole 12 have disperseed the erection stress of bevel for welding 5 in pressure testing process and pressure testing stress, while meeting pressure testing function, solve bevel for welding on traditional pressure-measuring method and be easily out of shape, damage and unhandy problem.
Total processing of the present invention is easy, and materials are few, cost-saving, and assembling is quick, easy to use, effectively reduce the labour intensity of workman, improve pressure testing efficiency, also improve safety in utilization simultaneously, ensure that the quality of product.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize instructions of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (5)
1. the structure for pressure test of a pressure vessel bevel for welding sealing, it is characterized in that: comprise structure for pressure test body and action pressure-testing joint, the right flank of structure for pressure test body offers the bevel for welding seal groove of multiple tracks annular, per pass bevel for welding seal groove comprises the O-ring seal placement section being positioned at left end and the bevel for welding auxiliary section being positioned at right-hand member, the bevel for welding auxiliary section of described bevel for welding seal groove coordinates with the bevel for welding of pressure vessel, the O-ring seal placement section of described bevel for welding seal groove is built with O-ring seals, the center of described structure for pressure test body is provided with pilot hole, described action pressure-testing joint is assemblied in the pilot hole of structure for pressure test body, the left end of this action pressure-testing joint is connected with a press device again, the center of described action pressure-testing joint is provided with pressure conducting bores, the right flank of described pressure testing body offers in the position near per pass bevel for welding seal groove the inclined hole communicated with bevel for welding seal groove respectively.
2. the structure for pressure test of pressure vessel bevel for welding sealing according to claim 1, is characterized in that: the left surface of described structure for pressure test body is provided with pressure seal groove, also O-ring seals is housed in this pressure seal groove.
3. the structure for pressure test of pressure vessel bevel for welding sealing according to claim 2, is characterized in that: the shape of described pressure seal groove is rectangle.
4. the structure for pressure test of pressure vessel bevel for welding sealing according to claim 1, it is characterized in that: the left end of described action pressure-testing joint is provided with the assembling screw thread for assembling with press device, the right-hand member of action pressure-testing joint is provided with locking screw, action pressure-testing joint right-hand member is equipped with set nut by this locking screw, and structure for pressure test body is anchored on press device by the assembling screw thread of action pressure-testing joint left end, the locking screw of action pressure-testing joint right-hand member and the cooperation of set nut.
5. the structure for pressure test of pressure vessel bevel for welding sealing according to claim 1, is characterized in that: described structure for pressure test body for circular, and the outer circumference surface of described structure for pressure test body offers hole for hoist.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510004614.1A CN104483188A (en) | 2015-01-06 | 2015-01-06 | Pressure test tool for sealing pressure vessel welding grooves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510004614.1A CN104483188A (en) | 2015-01-06 | 2015-01-06 | Pressure test tool for sealing pressure vessel welding grooves |
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| Publication Number | Publication Date |
|---|---|
| CN104483188A true CN104483188A (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510004614.1A Pending CN104483188A (en) | 2015-01-06 | 2015-01-06 | Pressure test tool for sealing pressure vessel welding grooves |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109211680A (en) * | 2018-11-05 | 2019-01-15 | 成都乘风流体科技集团有限公司 | A kind of valve welded end pressure testing sealing structure |
| CN109253851A (en) * | 2018-08-28 | 2019-01-22 | 中国核工业二三建设有限公司 | A kind of valve air pressure test device |
| CN110017406A (en) * | 2019-05-07 | 2019-07-16 | 张化机（苏州）重装有限公司 | A kind of Tube Sheet of Heat Exchanger mouth structure |
| CN110375926A (en) * | 2019-07-26 | 2019-10-25 | 福建省特种设备检验研究院 | A kind of valve socket welding end pressure testing sealing structure and its pressure-measuring method |
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| JPH06281554A (en) * | 1992-12-28 | 1994-10-07 | Sonoco Prod Co | Device and method for experimentally measuring strength of compressed material of tubular product |
| CN201707268U (en) * | 2010-06-18 | 2011-01-12 | 黄石新兴管业有限公司 | Dedicated tool for pressure test of pipe fittings |
| CN101995329A (en) * | 2009-08-11 | 2011-03-30 | 雷利国 | Energy-saving multilevel pressure self-complementing type sealing blind flange for valve test |
| CN202403976U (en) * | 2011-12-02 | 2012-08-29 | 自贡高压阀门股份有限公司 | Valve sleeve pressure testing device |
| CN103791089A (en) * | 2014-01-22 | 2014-05-14 | 青岛恒基泰机电科技有限公司 | Steel tube end seal ring and sealing device |
| CN204373993U (en) * | 2015-01-06 | 2015-06-03 | 苏州道森阀门有限公司 | The structure for pressure test of pressure vessel bevel for welding sealing |
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2015
- 2015-01-06 CN CN201510004614.1A patent/CN104483188A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06281554A (en) * | 1992-12-28 | 1994-10-07 | Sonoco Prod Co | Device and method for experimentally measuring strength of compressed material of tubular product |
| CN101995329A (en) * | 2009-08-11 | 2011-03-30 | 雷利国 | Energy-saving multilevel pressure self-complementing type sealing blind flange for valve test |
| CN201707268U (en) * | 2010-06-18 | 2011-01-12 | 黄石新兴管业有限公司 | Dedicated tool for pressure test of pipe fittings |
| CN202403976U (en) * | 2011-12-02 | 2012-08-29 | 自贡高压阀门股份有限公司 | Valve sleeve pressure testing device |
| CN103791089A (en) * | 2014-01-22 | 2014-05-14 | 青岛恒基泰机电科技有限公司 | Steel tube end seal ring and sealing device |
| CN204373993U (en) * | 2015-01-06 | 2015-06-03 | 苏州道森阀门有限公司 | The structure for pressure test of pressure vessel bevel for welding sealing |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109253851A (en) * | 2018-08-28 | 2019-01-22 | 中国核工业二三建设有限公司 | A kind of valve air pressure test device |
| CN109211680A (en) * | 2018-11-05 | 2019-01-15 | 成都乘风流体科技集团有限公司 | A kind of valve welded end pressure testing sealing structure |
| CN110017406A (en) * | 2019-05-07 | 2019-07-16 | 张化机（苏州）重装有限公司 | A kind of Tube Sheet of Heat Exchanger mouth structure |
| CN110375926A (en) * | 2019-07-26 | 2019-10-25 | 福建省特种设备检验研究院 | A kind of valve socket welding end pressure testing sealing structure and its pressure-measuring method |
| CN110375926B (en) * | 2019-07-26 | 2020-11-13 | 福建省特种设备检验研究院 | Valve socket welding end pressure test sealing structure and pressure test method thereof |
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Application publication date: 20150401 |
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