CN2456152Y - Apparatus for testing large diameter pressured pipeline - Google Patents
Apparatus for testing large diameter pressured pipeline Download PDFInfo
- Publication number
- CN2456152Y CN2456152Y CN 00266169 CN00266169U CN2456152Y CN 2456152 Y CN2456152 Y CN 2456152Y CN 00266169 CN00266169 CN 00266169 CN 00266169 U CN00266169 U CN 00266169U CN 2456152 Y CN2456152 Y CN 2456152Y
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- pressure
- test heads
- pressure test
- pressure testing
- diameter
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- Expired - Fee Related
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Abstract
The utility model relates to a device for testing a large-diameter pressure pipeline, belonging to the field of pressure testing devices. The two ends of a core rod are connected with step-shaped pressure test heads, the outer parts of the pressure test heads are low, and the inner parts of the pressure test heads are high. The pressure test heads are provided with pressure water paths, and the outlets of the paths are positioned at the outer edges or the inner sides of the high steps of the pressure test heads; flexible cylindrical sealing blocks, pressure rings and nuts connected by screws with the pressure test heads are sequentially sheathed on the pressure test heads inward to outward, and the outer diameter of the sealing blocks is not smaller than the diameter of the high steps of the pressure test heads. The utility model has the advantages of simple structure, strong reliability, little investment and high production efficiency.
Description
The utility model belongs to the pressure test equipment technical field, particularly a kind of major diameter pressure pipeline pressure testing device.
Pipeline transportation is and one of railway, highway, water transport, aviation five big carriers arranged side by side, be widely used in oil, chemical industry, metallurgy, electric power and gas and the heating system, undertaking and carrying inflammable, explosive, high temperature, burn into is poisonous and the vital task of radiating medium.Thereby it is more and more stricter 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.Thereby pipeline pressure test promptly seems extremely important, at present the pressure testing device of major diameter pressure pipeline mainly relied on pipe ends and adopts the self-energized seal coil structures, forms the test pressure condition of pipe interior.For stoping because the axial force to ring structure that highly pressurised liquid produces will be added certain plus load, this method weak point is: self-fastening ring is adopted at (1) two ends, and structure is complicated, needs in the use often to change, and reliability is relatively poor; (2) will stop the axial force of pipeline inner high voltage liquid generation, often need hydraulic jack, this needs the higher hydraulic system of pressure, complex structure, and increase with pipe diameter, axial force strengthens, and pressure testing system is more numerous and more jumbled.
It is a kind of simple in structure that the purpose of this utility model is to provide, the major diameter pressure pipeline pressure testing device of good reliability.
For reaching above-mentioned purpose, the utility model adopts following technical scheme: major diameter pressure pipeline pressure testing device, core bar two ends are connected with outer low and inner high step-like pressure text head, are provided with the press water passage in the pressure text head, and channel outlet is positioned at pressure testing head height step outer rim or inboard; The nut that is set with flexible tubular sealing block, pressure ring from inside to outside successively and is spirally connected with pressure text head on the pressure text head, sealing block external diameter are not less than pressure testing head height stepped diameters.
The sealing block external diameter is greater than pressure testing head height step end diameter, and core bar is tubular.
Sealing block is a block rubber.
Fig. 1 is the utility model structural representation.
During use, the core bar of two ends band pressure text head is packed in the pipeline, rubber seal piece and pressure ring are set on the pressure text head successively, nut is loaded on the pressure text head tightens again.Screw nut, and compress pressure ring, the rubber seal piece is radially expanded, form sealing surface with inner-walls of duct, water under high pressure enters the pressure testing chamber from water inlet along the press water passage.After pressure reaches setting value, pressurize a period of time, finish a pipe pressure testing process.
Compared with prior art, the utility model has been cancelled end additional oil cylinder assembly, reduces by a cover hydraulic system, and structure is greatly simplified, and investment reduces greatly; Adopt core bar structure, can reduce the liquid-filled amount of pipeline pressure test, reduce by highly pressurised liquid produce to the pipe end axial force; With the original self-fastening ring of block rubber replacement, structure and simplified manufacturing process, can provide the block rubber of different formulations to the requirement of elasticity and hardness according to different pressure testing grades.The block rubber sealing property is than self-fastening ring dependable performance, and not fragile, shortened maintenance cycle, and production efficiency is improved.
The utility model is described in further detail by embodiment below in conjunction with accompanying drawing.
Embodiment: major diameter pressure pipeline pressure testing device, comprise core bar 8, the core bar two ends are connected with outer low and inner high step-like pressure text head 2, are provided with L shaped press water passage in the pressure text head, and 1 is water inlet, and channel outlet is positioned at pressure testing head height step outer rim.From-inner-to-outer is with tubular rubber seal piece 5, pressure ring 4 and nut 3 successively on the pressure text head, and nut 3 is spirally connected with pressure text head, and core bar 8 is tubular, and rubber seal piece 5 diameters are greater than pressure testing head height step end diameter.6 is force pipe, and 7 is the pressure testing chamber that forms between core bar and the force pipe.
Claims (3)
1, major diameter pressure pipeline pressure testing device, the utility model are characterised in that the core bar two ends are connected with outer low and inner high step-like pressure text head, are provided with the press water passage in the pressure text head, and channel outlet is positioned at pressure testing head height step outer rim or inboard; The nut that is set with flexible tubular sealing block, pressure ring from inside to outside successively and is spirally connected with pressure text head on the pressure text head, sealing block external diameter are not less than pressure testing head height stepped diameters.
2, pressure testing device as claimed in claim 1, the press water passage is L-shaped, and the sealing block external diameter is greater than pressure testing head height step end diameter, and core bar is tubular.
3, pressure testing device as claimed in claim 1 or 2, sealing block are block rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00266169 CN2456152Y (en) | 2000-12-27 | 2000-12-27 | Apparatus for testing large diameter pressured pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00266169 CN2456152Y (en) | 2000-12-27 | 2000-12-27 | Apparatus for testing large diameter pressured pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2456152Y true CN2456152Y (en) | 2001-10-24 |
Family
ID=33620314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00266169 Expired - Fee Related CN2456152Y (en) | 2000-12-27 | 2000-12-27 | Apparatus for testing large diameter pressured pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2456152Y (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100335904C (en) * | 2005-05-23 | 2007-09-05 | 南京航空航天大学 | Miniature total pressure probe and its manufacturing method |
| CN100357721C (en) * | 2004-01-19 | 2007-12-26 | 徐州建筑职业技术学院 | Middle pressure test technology and device for large-diameter pipeline construction |
| CN101122552B (en) * | 2007-09-18 | 2010-06-16 | 中国石油天然气集团公司 | Reservoir casing perforation anti-crushing simulation test method and simulation test machine |
| CN102141457A (en) * | 2010-12-30 | 2011-08-03 | 陕西化建工程有限责任公司 | U-shaped heat exchange tube pressure test positioner |
| CN102759483A (en) * | 2012-06-29 | 2012-10-31 | 宁波福士汽车部件有限公司 | Automobile pipe pressure test device |
| CN102112858B (en) * | 2008-08-08 | 2012-11-14 | 原子能和替代能源委员会 | Test machine for applying uniform internal pressure on a tube |
| CN103091174A (en) * | 2013-01-17 | 2013-05-08 | 唐山三友化工股份有限公司 | Method for testing pressure of large-diameter extra-long PE pipe |
| CN103470891A (en) * | 2013-09-18 | 2013-12-25 | 天津国际机械有限公司 | Large-caliber telescopic joint pressure test device for downstream position of valve pipeline |
| CN103574214A (en) * | 2012-07-26 | 2014-02-12 | 福建亚通新材料科技股份有限公司 | Hydraulic pressure test device for plastic water supply pipe fitting |
| CN103760032A (en) * | 2014-01-17 | 2014-04-30 | 核工业理化工程研究院 | Resin matrix composite circular tube sealing experimental device |
| CN104089824A (en) * | 2014-07-18 | 2014-10-08 | 哈尔滨电机厂有限责任公司 | Pressure-resisting testing device for large-diameter welding-structure metal pipeline |
| CN105190283A (en) * | 2013-02-04 | 2015-12-23 | 卡-博投资有限公司 | Apparatus for closing and sealing the open end of a pipe |
-
2000
- 2000-12-27 CN CN 00266169 patent/CN2456152Y/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100357721C (en) * | 2004-01-19 | 2007-12-26 | 徐州建筑职业技术学院 | Middle pressure test technology and device for large-diameter pipeline construction |
| CN100335904C (en) * | 2005-05-23 | 2007-09-05 | 南京航空航天大学 | Miniature total pressure probe and its manufacturing method |
| CN101122552B (en) * | 2007-09-18 | 2010-06-16 | 中国石油天然气集团公司 | Reservoir casing perforation anti-crushing simulation test method and simulation test machine |
| CN102112858B (en) * | 2008-08-08 | 2012-11-14 | 原子能和替代能源委员会 | Test machine for applying uniform internal pressure on a tube |
| CN102141457A (en) * | 2010-12-30 | 2011-08-03 | 陕西化建工程有限责任公司 | U-shaped heat exchange tube pressure test positioner |
| CN102759483B (en) * | 2012-06-29 | 2014-04-16 | 宁波福士汽车部件有限公司 | Automobile pipe pressure test device |
| CN102759483A (en) * | 2012-06-29 | 2012-10-31 | 宁波福士汽车部件有限公司 | Automobile pipe pressure test device |
| CN103574214A (en) * | 2012-07-26 | 2014-02-12 | 福建亚通新材料科技股份有限公司 | Hydraulic pressure test device for plastic water supply pipe fitting |
| CN103091174A (en) * | 2013-01-17 | 2013-05-08 | 唐山三友化工股份有限公司 | Method for testing pressure of large-diameter extra-long PE pipe |
| CN105190283A (en) * | 2013-02-04 | 2015-12-23 | 卡-博投资有限公司 | Apparatus for closing and sealing the open end of a pipe |
| CN105190283B (en) * | 2013-02-04 | 2018-04-13 | 卡-博投资有限公司 | For closing the equipment with the open end of seal pipe |
| CN103470891A (en) * | 2013-09-18 | 2013-12-25 | 天津国际机械有限公司 | Large-caliber telescopic joint pressure test device for downstream position of valve pipeline |
| CN103760032A (en) * | 2014-01-17 | 2014-04-30 | 核工业理化工程研究院 | Resin matrix composite circular tube sealing experimental device |
| CN104089824A (en) * | 2014-07-18 | 2014-10-08 | 哈尔滨电机厂有限责任公司 | Pressure-resisting testing device for large-diameter welding-structure metal pipeline |
| CN104089824B (en) * | 2014-07-18 | 2016-08-17 | 哈尔滨电机厂有限责任公司 | The pressure resistant testing device of major diameter Welding Structure metallic conduit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |