CN104568318A - Low-temperature valve welding end detection device - Google Patents
Low-temperature valve welding end detection device Download PDFInfo
- Publication number
- CN104568318A CN104568318A CN201410854621.6A CN201410854621A CN104568318A CN 104568318 A CN104568318 A CN 104568318A CN 201410854621 A CN201410854621 A CN 201410854621A CN 104568318 A CN104568318 A CN 104568318A
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- China
- Prior art keywords
- blind plate
- self sealss
- valve
- studs
- pick
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Abstract
The invention discloses a low-temperature valve welding end detection device which comprises a blind board, two studs, two split collars, a self-sealing seat, a nut and a hex head screw. Through holes are symmetrically formed in the two ends of the blind board, an installation hole is formed in the middle of the blind board, and a containing cavity communicated with the installation hole is formed in the inner side face, located on the blind board, of the installation hole; the two studs are installed in the two through holes in the blind board respectively; the split collars are provided with internal thread holes and the other ends of the studs are installed in the internal thread holes; clamping grooves are formed in the lower ends of the split collars, and in the installation process, the clamping grooves are clamped on process steps of a detected valve; one end of the self-sealing seat penetrates through one through hole of the blind board and extends out of the outer side face of the blind board and the other end of the self-sealing seat is located in the containing cavity in the inner side face of the blind board and internally arranged in and connected with a sleeve of the welding end of the detected valve, and one end of the sleeve is installed in the containing cavity; the nut is used for fixing the self-sealing seat; the hex head screw is used for fixing the split collars to the process steps of the detected valve. The low-temperature valve welding end detection device has the advantages that when the device is installed, the valve is not damaged, the sealing performance is good in detection, and disassembly and assembly are convenient.
Description
Technical field
The present invention relates to a kind of detection frock be arranged on valve, particularly a kind of Subzero valve welding end pick-up unit.
Background technology
In valve field tests, the connected mode of partial high pressure valve and pipeline is for being welded to connect, for the detection after this tested valve manufacture, the mode of carrying out after welding with pipeline must be adopted, such test mode causes the damage of the import and export end face of tested valve, usually can only be abandoned or be re-started processing, being caused waste thus.The material and design cost of cryogenic valve costliness is more aobvious unreasonable in such test link.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of Subzero valve welding end pick-up unit, and this pick-up unit can not cause standard damaged on end to hinder when mounted.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of Subzero valve welding end pick-up unit; Described pick-up unit comprises:
One blind plate, the both ends of described blind plate are arranged with the through hole running through blind plate, and the middle part of described blind plate is provided with the mounting hole running through blind plate, described mounting hole site in the medial surface of blind plate be provided with one with the container cavity of mounting hole conducting;
Two studs, one end of described two studs is arranged in two through holes of blind plate respectively, and is fixed by hexagonal nut;
Two divided rings, described divided ring is provided with internal thread hole, and the other end of described studs is arranged in this internal thread hole; The lower end of described divided ring is provided with draw-in groove, and during installation, this draw-in groove is fastened on the technique step of tested valve;
One self sealss seat, the through hole of blind plate is passed in one end of described self sealss seat, and stretches out the lateral surface of blind plate; The other end of described self sealss seat is positioned at the container cavity on blind plate medial surface, and built-in be connected in the sleeve of tested valve welding end, one end of described sleeve is placed in container cavity;
One nut for being fixed self sealss seat, described nut is arranged on self sealss seat and is positioned on one end of blind plate lateral surface;
One for being fixed on the hex screw on tested valve process area rank by divided ring.
In one embodiment of the invention, described pick-up unit also comprises an O-ring seal, and during installation, described ring set is positioned between one end of blind plate medial surface and the surface of contact of tested valve sleeve tube wall at self sealss seat.
In one embodiment of the invention, in described self sealss seat, be provided with a passage, be provided with thermopair, medium pressure source in described passage or connect checkout equipment.
By technique scheme, the invention has the beneficial effects as follows:
Pick-up unit of the present invention does not destroy the structure of valve when mounted, is applicable to the performing leak test requirement of welding valve, and dismountable design feature avoids the valve damage adopting in the past and weld and cause, and makes test valve not lose using function.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is mounting structure schematic diagram of the present invention;
Numeral and the corresponding component title represented by letter in figure:
10, blind plate 11, through hole 12, mounting hole 13, container cavity 20, studs 30, divided ring 31, internal thread hole 32, draw-in groove 33, hex screw 40, technique step 50, self sealss seat 60, sleeve 70, nut 80, hexagonal nut 90, O-ring seal 100, valve 110, sleeve tube wall.
Embodiment
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
Shown in Figure 1, the invention discloses a kind of Subzero valve welding end pick-up unit; This pick-up unit comprises a blind plate 10, two studs 20, two divided ring 30, self sealss seats 50, for the nut 70 and that is fixed self sealss seat 50 for divided ring 30 being fixed on the hex screw 33 on tested valve process area rank 40.
The both ends of blind plate 10 of the present invention are arranged with the through hole 11 running through blind plate, and the middle part of blind plate 10 is provided with the mounting hole 12 running through blind plate, the medial surface that mounting hole 12 is positioned at blind plate be provided with one with the container cavity 13 of mounting hole conducting; During installation, one end of two studs 20 is arranged in two through holes 11 of blind plate respectively, and is fixed by hexagonal nut 80; Divided ring 30 is provided with internal thread hole 31, and the other end of studs 20 is arranged in this internal thread hole 31 and is fixed; The lower end of divided ring 30 is provided with draw-in groove 32, and during installation, this draw-in groove 32 is fastened on the technique step 40 of tested valve 100, and is fixed by hex screw 33; The through hole 11 of blind plate 10 is passed in one end of self sealss seat 50, and stretches out the lateral surface of blind plate 11; The other end of self sealss seat 50 is positioned at the container cavity 13 on blind plate medial surface, and built-in be connected in the sleeve 60 of tested valve welding end, one end of sleeve 60 is placed in container cavity 13; During installation, one end that self sealss seat is positioned at blind plate medial surface is mounted in the sleeve tube wall 110 of standard end, and sleeve tube wall 110 is just in time positioned at container cavity 13, and the sealing surface place between itself and sleeve tube wall 110 is provided with O-ring seal 90; Sleeve 60, self sealss seat 50, O-ring seal 90 three form sealing pair; Nut 70 is arranged on one end that self sealss seat is positioned at blind plate lateral surface for carrying out specific pressure pre-adjustment to self sealss seat; This device has equipment not damaged as can be seen here, detects frock and detected equipment good seal, the advantages such as easy accessibility.
The present invention, owing to being promote self sealss seat by test(ing) medium between self sealss seat 50, O-ring seal 90, sleeve tube wall 110, makes to form specific pressure between self sealss seat, O-ring seal, tube wall self-packing; Change with pressure medium change so have seal pressure, distortion or damaged can not be caused because of compelling force.
The present invention is provided with a passage (not marking in figure) in self sealss seat, is provided with thermopair, medium pressure source or connects checkout equipment in passage; Change convenient and swift during use, with needing adjustment.
More than show and describe ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (3)
1. a Subzero valve welding end pick-up unit; It is characterized in that: described pick-up unit comprises:
One blind plate, the both ends of described blind plate are arranged with the through hole running through blind plate, and the middle part of described blind plate is provided with the mounting hole running through blind plate, described mounting hole site in the medial surface of blind plate be provided with one with the container cavity of mounting hole conducting;
Two studs, one end of described two studs is arranged in two through holes of blind plate respectively, and is fixed by hexagonal nut;
Two divided rings, described divided ring is provided with internal thread hole, and the other end of described studs is arranged in this internal thread hole; The lower end of described divided ring is provided with draw-in groove, and during installation, this draw-in groove is fastened on the technique step of tested valve;
One self sealss seat, the through hole of blind plate is passed in one end of described self sealss seat, and stretches out the lateral surface of blind plate; The other end of described self sealss seat is positioned at the container cavity on blind plate medial surface, and built-in be connected in the sleeve of tested valve welding end, one end of described sleeve is placed in container cavity;
One nut for being fixed self sealss seat, described nut is arranged on self sealss seat and is positioned on one end of blind plate lateral surface;
One for being fixed on the hex screw on tested valve process area rank by divided ring.
2. a kind of Subzero valve welding end pick-up unit according to claim 1, it is characterized in that: described pick-up unit also comprises an O-ring seal, during installation, described ring set is positioned between one end of blind plate medial surface and the surface of contact of tested valve sleeve tube wall at self sealss seat.
3. a kind of Subzero valve welding end pick-up unit according to claim 1, is characterized in that: be provided with a passage in described self sealss seat, is provided with thermopair, medium pressure source or connects checkout equipment in described passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410854621.6A CN104568318A (en) | 2014-12-26 | 2014-12-26 | Low-temperature valve welding end detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410854621.6A CN104568318A (en) | 2014-12-26 | 2014-12-26 | Low-temperature valve welding end detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104568318A true CN104568318A (en) | 2015-04-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410854621.6A Pending CN104568318A (en) | 2014-12-26 | 2014-12-26 | Low-temperature valve welding end detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104568318A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09292099A (en) * | 1996-04-26 | 1997-11-11 | Kitz Corp | Leakage shut-off device for automatic water feed machine |
| CN202869799U (en) * | 2012-11-15 | 2013-04-10 | 河南开封高压阀门有限公司 | Clamp type folio ring pressure test blind plate |
| CN202886206U (en) * | 2012-10-11 | 2013-04-17 | 合肥实华管件有限责任公司 | Portable hydraulic test device |
| CN203098851U (en) * | 2013-01-29 | 2013-07-31 | 山东交通学院 | Blind plate |
| CN103776591A (en) * | 2014-01-21 | 2014-05-07 | 张家港富瑞特种装备股份有限公司 | Low-temperature valve testing device |
| CN204330216U (en) * | 2014-12-26 | 2015-05-13 | 圣博莱阀门有限公司 | A kind of Subzero valve welding end pick-up unit |
-
2014
- 2014-12-26 CN CN201410854621.6A patent/CN104568318A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09292099A (en) * | 1996-04-26 | 1997-11-11 | Kitz Corp | Leakage shut-off device for automatic water feed machine |
| CN202886206U (en) * | 2012-10-11 | 2013-04-17 | 合肥实华管件有限责任公司 | Portable hydraulic test device |
| CN202869799U (en) * | 2012-11-15 | 2013-04-10 | 河南开封高压阀门有限公司 | Clamp type folio ring pressure test blind plate |
| CN203098851U (en) * | 2013-01-29 | 2013-07-31 | 山东交通学院 | Blind plate |
| CN103776591A (en) * | 2014-01-21 | 2014-05-07 | 张家港富瑞特种装备股份有限公司 | Low-temperature valve testing device |
| CN204330216U (en) * | 2014-12-26 | 2015-05-13 | 圣博莱阀门有限公司 | A kind of Subzero valve welding end pick-up unit |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150429 |