CN201096679Y - Sealing device for small-diameter pipe pressure test - Google Patents
Sealing device for small-diameter pipe pressure test Download PDFInfo
- Publication number
- CN201096679Y CN201096679Y CNU2007200746027U CN200720074602U CN201096679Y CN 201096679 Y CN201096679 Y CN 201096679Y CN U2007200746027 U CNU2007200746027 U CN U2007200746027U CN 200720074602 U CN200720074602 U CN 200720074602U CN 201096679 Y CN201096679 Y CN 201096679Y
- Authority
- CN
- China
- Prior art keywords
- pipe
- pipeline
- cone
- rises
- small
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Pipe Accessories (AREA)
Abstract
The utility model discloses a sealing device for small-bore pipeline pressure test, which comprises an occluder in one port of pipeline and a water injector on the other port of pipeline, wherein the occluder comprises a screw rod, the water injector comprises a connection pipe, and a locking nut, a pressing cushion block, a sealing cushion, a pressing cushion block, a first cone pipe, an body expanding pipe, a second cone pipe and a locking nut sleeved in order on the screw rod and connection tube from the pipe inside to the pipe nozzle. The sealing device for small-bore pipeline pressure test adopted by the utility model has simple operation and feasibility, so as to omit the procedure that both ends of the pipeline need to be welded and occluded during the pressure trial of the prior pipeline, so as to facilitate construction, shorten check and processing time during construction, and improve work efficiency, and also reduce material loss and manpower, thereby realizing the purpose of rapidness, convenience and material saving.
Description
Technical field
The utility model relates to a kind of packoff that is used for the small-bore pipe pipeline pressure pilot.
Background technology
Pipeline is widely used in oil, metallurgy, chemical industry, electric power and gas and the heating system, bearing carry inflammable, explosive, high temperature, burn into is poisonous and the vital task of radiating medium.Thereby it is more and more higher to the reliability and the security requirement of pipeline transportation.Pressure test is the project that every pipeline must be implemented before installing, and is the basis that guarantees pipeline reliability and security.So pressure of pipeline.Test promptly seems extremely important.Province's gas pipe in the boiler erection process, coiled pipe, water-cooling wall etc. belong to small-bore pipeline, along with metallurgical machinery equipment is installed, the boiler erection project is on the increase, present situations such as the duration gradually reduces, existingly small-bore pipeline test is mainly relied on pipe ends take to weld the shutoff plate, form the test pressure condition of pipe interior, after test is finished, remove the shutoff plate.Adopt the obvious workload of this welding and method for dismounting big, can the pressure boost test period.Therefore the pressure test time that shortens every pipeline can shorten the piping erection duration, can guarantee that the whole duration of a project shortens and comes into operation on schedule.Therefore the insider demands developing a kind of pipeline pressure test unit that can shorten the pressure test time of every pipeline urgently.
Summary of the invention
The purpose of this utility model is to solve the problems referred to above that prior art exists, and a kind of convenient construction operation is provided, and can shorten the packoff that is used for the small-bore pipe pipeline pressure pilot of pipeline pressure test period,
The purpose of this utility model is achieved by following technical scheme: a kind of packoff that is used for the small-bore pipe pipeline pressure pilot, comprise and be located at the plugging device in pipeline one port and be located at injector in the pipeline another port, wherein, described plugging device comprises a screw rod, described injector comprises a connecting pipe, and be installed in separately on described screw rod and the connecting pipe and from managing to the mouth of pipe respectively successively the set nut of suit, compress cushion block, sealing gasket, compress cushion block, the first cone pipe, the body pipe that rises, second cone pipe and the set nut; Described set nut and the perisporium and the inner-walls of duct that compress cushion block are slidingly matched; Described sealing gasket and inner-walls of duct are sealed and matched; One end of the described body pipe that rises has the baffle ring that offsets with the mouth of pipe, and its tube wall is cut open vertically and formed some expansion pieces, and its inner chamber is to be that the boundary is divided into two sections inner conical walls symmetrically with the length center; The described first cone pipe is made up of the cylindrical conical wall of preceding half section cylindrical wall and second half section at length direction, and this first cone pipe is clamp-oned the inner chamber of the body pipe that rises from the front port of the body pipe that rises by the cylindrical conical wall; The described second cone pipe is made up of the retaining headring of rear end, preceding half section cylindrical conical wall and the cylindrical wall between retaining headring and cylindrical conical wall at length direction, and this second Outer Taper pipe is clamp-oned the inner chamber of the body pipe that rises from the rear port of the body pipe that rises by the outer cone wall; The external diameter of the cylindrical wall of the described first cone pipe and the second cone pipe is greater than the internal diameter of the body pipe maximum that rises.
The above-mentioned packoff that is used for the small-bore pipe pipeline pressure pilot, wherein, the described expansion piece that rises by the body pipe has three lobes.
The above-mentioned packoff that is used for the small-bore pipe pipeline pressure pilot, wherein, the outside surface of the described body pipe that rises is a uneven surface.
The above-mentioned packoff that is used for the small-bore pipe pipeline pressure pilot, wherein, the outer peripheral face of the cylindrical conical wall of the described first cone pipe and the second cone pipe is provided with screw thread.
The above-mentioned packoff that is used for the small-bore pipe pipeline pressure pilot, wherein, the head of the connecting pipe of described injector also is connected with a junction block.
Adopted the packoff that is used for the small-bore pipe pipeline pressure pilot of the present utility model, easy and simple to handle, simple, need weld the operation of shutoff when having removed existing pipeline pressure test to pipe ends, greatly facilitate constructing operation, shorten the inspection in the work progress, processing time, improved work efficiency.The loss and the manpower of material have been reduced simultaneously again.Realized purpose quick, easy, economical with materials.
Description of drawings
Provide embodiment of the present utility model below in conjunction with accompanying drawing:
Fig. 1 is the structural representation that is used for the packoff of small-bore pipe pipeline pressure pilot of the present utility model.
Embodiment
See also Fig. 1, the packoff that is used for the small-bore pipe pipeline pressure pilot of the present utility model, comprise the plugging device 1 and the injector that are located at respectively in pipeline 9 two-port, wherein, plugging device 1 comprises a screw rod 10, injector 2 comprises a connecting pipe 20, plugging device 1 and injector 2 also comprise separately be installed on screw rod 10 and the connecting pipe 20 and from managing to the mouth of pipe respectively successively the set nut 3 of suit, compress cushion block 4, sealing gasket 5, compress cushion block 4, the first cone pipe 6, body pipe 7, the second cone pipe 8 and set nut 3 rise.
Set nut 3 and compress the perisporium of cushion block 4 and the inwall of pipeline 9 is slidingly matched;
Sealing gasket 5 cooperates with pipeline 9 inner wall sealings;
The end of body pipe 7 of rising has the baffle ring 70 that offsets with the mouth of pipe, and its tube wall is cut open vertically and formed three lobe expansion pieces, and its inner chamber 71 is to be that the boundary is divided into two sections inner conical walls symmetrically with the length center, and its outside surface 72 is a uneven surface.
The first cone pipe 6 is made up of the cylindrical conical wall 62 of preceding half section cylindrical wall 61 and second half section at length direction, the outer peripheral face of its cylindrical conical wall 62 is provided with the Zi Gong screw thread, the external diameter of its cylindrical wall 61 is greater than the internal diameter of body pipe 7 maximums that rise, and cylindrical conical wall 62 is clamp-oned the inner chamber of the body pipe 7 that rises from 7 front ports of the body pipe that rises.
The second cone pipe 8 is made up of the retaining headring 80 of rear end, preceding half section cylindrical conical wall 81 and the cylindrical wall 82 between retaining headring 80 and cylindrical conical wall 81 at length direction, and the outer peripheral face of its cylindrical conical wall 81 is provided with the Zi Gong screw thread.The external diameter of its cylindrical wall 82 is greater than the internal diameter of body pipe 7 maximums that rise, and the outer peripheral face of its cylindrical conical wall 81 is provided with the Zi Gong screw thread, and conical walls 81 is clamp-oned the inner chamber of the body pipe 7 that rises from the rear port of the body pipe 7 that rises.
When using the packoff that is used for the small-bore pipe pipeline pressure pilot of the present utility model, elder generation is according to the internal diameter size of pipeline 9, adopt supporting screw rod 10 respectively, connecting pipe 20, set nut 3, compress cushion block 4, sealing gasket 5, the first cone pipe 6, rise body pipe 7 and the second cone pipe, 8 combined completes become plugging device 1 and injector 2, the pipe of putting into pipeline 9 two ends respectively is to the mouth of pipe, the fastening set nut 3 that is positioned at pipeline 9 outsides promotes the second cone pipe 8, the expansion piece of the body pipe 7 that rises is strutted tightly block pipeline 9 inwalls, prevent that plugging device 1 and injector 2 from spraying in pipeline 9 when bearing axle pressure, the while contacts the formation sealing again at the cushion block 4 that compresses that the fastening process that is arranged in the set nut 3 of pipeline 9 outsides is positioned at sealing gasket 5 front and back with sealing gasket 5 crimps expansion and with pipeline 9 inwalls.The head that exposes at the connecting pipe 20 of injector 2 is connected with a junction block 21 and is used for being connected with outside pressure testing device again, carries out water filling, boosts to reach the condition of pressure testing.The pipeline of weld bond repairing difficulty carries out intensity and impermeability test after utilizing this device to small-bore welding fabrication in enormous quantities, installation.Unclamp set nut 3 after the off-test and can in pipeline 9, remove plugging device 1 and injector 2 easily.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, and be not to be used as qualification of the present utility model, the utility model can also change and more mode, as long as in connotation scope of the present utility model, all will drop in claims scope of the present utility model variation, the modification of the above embodiment.
Claims (5)
1, a kind of packoff that is used for the small-bore pipe pipeline pressure pilot comprises being located at the plugging device in pipeline one port and being located at injector in the pipeline another port, it is characterized in that,
Described plugging device comprises a screw rod, described injector comprises a connecting pipe, and be installed in separately on described screw rod and the connecting pipe and from managing to the mouth of pipe respectively successively the set nut of suit, compress cushion block, sealing gasket, compress cushion block, the first cone pipe, the body pipe that rises, second cone pipe and the set nut;
Described set nut and the perisporium and the inner-walls of duct that compress cushion block are slidingly matched;
Described sealing gasket and inner-walls of duct are sealed and matched;
One end of the described body pipe that rises has the baffle ring that offsets with the mouth of pipe, and its tube wall is cut open vertically and formed some expansion pieces, and its inner chamber is to be that the boundary is divided into two sections inner conical walls symmetrically with the length center;
The described first cone pipe is made up of the cylindrical conical wall of preceding half section cylindrical wall and second half section at length direction, and this first cone pipe is clamp-oned the inner chamber of the body pipe that rises from the front port of the body pipe that rises by the cylindrical conical wall;
The described second cone pipe is made up of the retaining headring of rear end, preceding half section cylindrical conical wall and the cylindrical wall between retaining headring and cylindrical conical wall at length direction, and this second Outer Taper pipe is clamp-oned the inner chamber of the body pipe that rises from the rear port of the body pipe that rises by the outer cone wall;
The external diameter of the cylindrical wall of the described first cone pipe and the second cone pipe is greater than the internal diameter of the body pipe maximum that rises.
2, the packoff that is used for the small-bore pipe pipeline pressure pilot according to claim 1 is characterized in that, the described expansion piece that rises by the body pipe has three lobes.
3, the packoff that is used for the small-bore pipe pipeline pressure pilot according to claim 1 and 2 is characterized in that, the outside surface of the described body pipe that rises is a uneven surface.
4, the packoff that is used for the small-bore pipe pipeline pressure pilot according to claim 1 is characterized in that, the outer peripheral face of the cylindrical conical wall of the described first cone pipe and the second cone pipe is provided with screw thread.
5, the packoff that is used for the small-bore pipe pipeline pressure pilot according to claim 1 is characterized in that, the head of the connecting pipe of described injector also is connected with a junction block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200746027U CN201096679Y (en) | 2007-09-12 | 2007-09-12 | Sealing device for small-diameter pipe pressure test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200746027U CN201096679Y (en) | 2007-09-12 | 2007-09-12 | Sealing device for small-diameter pipe pressure test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201096679Y true CN201096679Y (en) | 2008-08-06 |
Family
ID=39923732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200746027U Expired - Fee Related CN201096679Y (en) | 2007-09-12 | 2007-09-12 | Sealing device for small-diameter pipe pressure test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201096679Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101782487A (en) * | 2010-03-05 | 2010-07-21 | 江苏诚德钢管股份有限公司 | Sealing device for water pressure test of small-diameter random-length steel tube |
| CN102425667A (en) * | 2011-11-28 | 2012-04-25 | 北京动力机械研究所 | Seal assembly for air inlet passage special-shaped cavity |
| CN102435501A (en) * | 2010-12-27 | 2012-05-02 | 上海长海医院 | Device for testing pressure resistance of medical occluder |
| CN104614248A (en) * | 2013-11-05 | 2015-05-13 | 珠海格力电器股份有限公司 | Pipeline detection equipment |
| CN108931345A (en) * | 2018-09-10 | 2018-12-04 | 陈朝晖 | One kind suppressing leakage detection apparatus |
-
2007
- 2007-09-12 CN CNU2007200746027U patent/CN201096679Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101782487A (en) * | 2010-03-05 | 2010-07-21 | 江苏诚德钢管股份有限公司 | Sealing device for water pressure test of small-diameter random-length steel tube |
| CN102435501A (en) * | 2010-12-27 | 2012-05-02 | 上海长海医院 | Device for testing pressure resistance of medical occluder |
| CN102425667A (en) * | 2011-11-28 | 2012-04-25 | 北京动力机械研究所 | Seal assembly for air inlet passage special-shaped cavity |
| CN104614248A (en) * | 2013-11-05 | 2015-05-13 | 珠海格力电器股份有限公司 | Pipeline detection equipment |
| CN104614248B (en) * | 2013-11-05 | 2018-02-27 | 珠海格力电器股份有限公司 | Pipeline detection equipment |
| CN108931345A (en) * | 2018-09-10 | 2018-12-04 | 陈朝晖 | One kind suppressing leakage detection apparatus |
| CN108931345B (en) * | 2018-09-10 | 2020-08-28 | 陈朝晖 | Suppress leak hunting device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201096679Y (en) | Sealing device for small-diameter pipe pressure test | |
| CN103090142B (en) | Quick coupling provided with flange and used for split type air conditioner | |
| CN203099209U (en) | Gas pipeline leakage gap isobaric electric hot melting plugging mechanism | |
| CN210372520U (en) | Sealing plug of heat exchange tube | |
| CN106885075A (en) | A kind of cavate flanged fitting assembling pipe joint | |
| CN205261059U (en) | Pipeline connecting part | |
| CN100467931C (en) | Method for making arrangement type rustless steel water separator | |
| CN212657233U (en) | Stainless steel pipeline argon arc welding pipe internal inflation plugging device | |
| CN106468384A (en) | One kind is used for the quick coupling of high-temperature high-pressure corrosion resisting chuck with groove formula | |
| CN202580374U (en) | Compression type pipe joint | |
| CN205745852U (en) | temporary pipeline plugging device | |
| CN202302412U (en) | Pressure-bearing and sealing pipeline for pipe connector | |
| CN201715134U (en) | Pipeline fast-repair casing joint | |
| CN206694735U (en) | Spliced pipeline maintenance dedicated connecting sleeve | |
| CN201606621U (en) | Leaking stoppage device of gas pipeline | |
| CN205278623U (en) | A device for testing container leaks | |
| CN212004658U (en) | T-shaped double-sealing double-receiving-head structure for rolling large-diameter steel pipe | |
| CN211854054U (en) | Sealing structure for reciprocating grate push rod wall penetrating position | |
| CN209213250U (en) | A kind of Quick Connect Kit of mesohigh water pipe | |
| CN208546660U (en) | A kind of natural gas line press and open holes fitting device | |
| CN206929475U (en) | The high bearing pipe of CO2 system high efficiencies | |
| CN201242015Y (en) | Pipeline connector | |
| CN102853184A (en) | Movable joint type middle-high pressure pipeline connection part | |
| CN206449326U (en) | A kind of socket joint connecting tube with neck | |
| CN220082473U (en) | Sealing structure for testing sealing performance of pipe fitting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA MCC20 GROUP CORP., LTD. Free format text: FORMER NAME: CHINA 20TH METALLURGICAL CONSTRUCTION CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 201900 Shanghai city Baoshan District Pangu Road No. 777 Patentee after: China Twenty Metallurgical Group Co., Ltd. Address before: 201900 Shanghai city Baoshan District Pangu Road No. 777 Patentee before: China MCC20 Construction Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080806 Termination date: 20130912 |