CN204373993U - The structure for pressure test of pressure vessel bevel for welding sealing - Google Patents
The structure for pressure test of pressure vessel bevel for welding sealing Download PDFInfo
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- CN204373993U CN204373993U CN201520006241.7U CN201520006241U CN204373993U CN 204373993 U CN204373993 U CN 204373993U CN 201520006241 U CN201520006241 U CN 201520006241U CN 204373993 U CN204373993 U CN 204373993U
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- pressure
- bevel
- welding
- seal groove
- pressure test
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Abstract
The utility model discloses the structure for pressure test of a kind 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 annular, bevel for welding seal groove comprises O-ring seal placement section and bevel for welding auxiliary section, the bevel for welding auxiliary section of bevel for welding seal groove coordinates with the bevel for welding of pressure vessel, O-ring seal placement section is built with O-ring seals, the center of structure for pressure test body is provided with pilot hole, 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 action pressure-testing joint is provided with pressure conducting bores, the right flank of pressure testing body offers the inclined hole communicated with bevel for welding seal groove.The utility model, while meeting pressure testing function, solves the problem that in traditional pressure-measuring method, bevel for welding is easily out of shape, damages, and total security is higher, cost-saving, and service efficiency is higher and simple to operation.
Description
Technical field
The utility model 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.
Utility model content
For solving the problems of the technologies described above, the purpose of this utility model is to provide a kind of structure for pressure test that can not damage bevel for welding, security is higher, cost-saving, service efficiency is higher and simple to operation bevel for welding sealing.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the utility model 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 beneficial effects of the utility model are: be provided with O-ring seals in the O-ring seal placement section of the bevel for welding seal groove in the utility model, 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 utility model 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 utility model.
Fig. 2 is cut-open view of the present utility model.
Fig. 3 is the structural representation at the bevel for welding seal groove place in the utility model.
Fig. 4 is bevel for welding seal groove in the utility model 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 utility model is described in detail, to make advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection domain of the present utility model.
It should be noted that "left", "right" here just the utility model 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 utility model, also otherwise can define the directions such as "left", "right", fall into equally within protection domain of the present utility model.
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 utility model, 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 embodiment of the present utility model, 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 utility model 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 embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model instructions 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 utility model.
Claims (6)
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.
6. the structure for pressure test of pressure vessel bevel for welding sealing according to claim 1, is characterized in that: the shape of the O-ring seal placement section of described bevel for welding seal groove is rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520006241.7U CN204373993U (en) | 2015-01-06 | 2015-01-06 | The structure for pressure test of pressure vessel bevel for welding sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520006241.7U CN204373993U (en) | 2015-01-06 | 2015-01-06 | The structure for pressure test of pressure vessel bevel for welding sealing |
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| CN204373993U true CN204373993U (en) | 2015-06-03 |
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| CN201520006241.7U Active CN204373993U (en) | 2015-01-06 | 2015-01-06 | The structure for pressure test of pressure vessel bevel for welding sealing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483188A (en) * | 2015-01-06 | 2015-04-01 | 苏州道森阀门有限公司 | Pressure test tool for sealing pressure vessel welding grooves |
-
2015
- 2015-01-06 CN CN201520006241.7U patent/CN204373993U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483188A (en) * | 2015-01-06 | 2015-04-01 | 苏州道森阀门有限公司 | Pressure test tool for sealing pressure vessel welding grooves |
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