CN106248490A - A kind of pressure pipeline Quick-action pressure-testing joint and pressure-measuring method - Google Patents

A kind of pressure pipeline Quick-action pressure-testing joint and pressure-measuring method Download PDF

Info

Publication number
CN106248490A
CN106248490A CN201610572914.4A CN201610572914A CN106248490A CN 106248490 A CN106248490 A CN 106248490A CN 201610572914 A CN201610572914 A CN 201610572914A CN 106248490 A CN106248490 A CN 106248490A
Authority
CN
China
Prior art keywords
testing
pressure
pressure pipeline
drilling rod
fixing device
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.)
Pending
Application number
CN201610572914.4A
Other languages
Chinese (zh)
Inventor
代远松
黄李
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Metallurgical Construction Engineering Group Co Ltd
Original Assignee
China Metallurgical Construction Engineering Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Metallurgical Construction Engineering Group Co Ltd filed Critical China Metallurgical Construction Engineering Group Co Ltd
Priority to CN201610572914.4A priority Critical patent/CN106248490A/en
Publication of CN106248490A publication Critical patent/CN106248490A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • G01N3/10Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
    • G01N3/12Pressure testing
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02Details
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0014Type of force applied
    • G01N2203/0016Tensile or compressive
    • G01N2203/0019Compressive
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/003Generation of the force
    • G01N2203/0042Pneumatic or hydraulic means
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02Details not specific for a particular testing method
    • G01N2203/026Specifications of the specimen
    • G01N2203/0262Shape of the specimen
    • G01N2203/0274Tubular or ring-shaped specimens

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The invention discloses a kind of pressure pipeline Quick-action pressure-testing joint and pressure-measuring method, described action pressure-testing joint includes fixing the fixing device encircled on testing pressure pipeline, and for the drilling rod of boring on testing pressure pipeline;Having the installing hole of the testing pressure through setting of pipeline radial direction along matched installation in described fixing device, described fixing device is positioned at this installing hole position and is provided with the sealing member for sealing towards the side of testing pressure pipeline;Have on the sidewall of described drilling rod front end with end, rear end connect arrange water inlet, the rear end of described drilling rod has the joint for connecting pressure testing device;The front end of described drilling rod can pierce in testing pressure pipeline through described installing hole, and is sealably mounted on this installing hole, and described water inlet is positioned at testing pressure pipeline.The present invention has easy for installation, it is not necessary to dismounting, is conducive to simplifying work pressure test flow process, reduces the waste of water resource, reduces the advantages such as pressure testing cost.

Description

A kind of pressure pipeline Quick-action pressure-testing joint and pressure-measuring method
Technical field
The present invention relates to pipeline engineering technical field, in particular to a kind of pressure pipeline Quick-action pressure-testing joint and pressure testing side Method.
Background technology
Supply and drain water system is requisite important component part in modern architecture, should enter after water supply and sewerage pipeline installation Line pipe road functional trial, wherein pressure pipeline should carry out the pressure pipeline water pressure test.
During the pressure pipeline water pressure test, general first at pipeline top, end or exhaust apparatus side pressure testing device is installed, so After again pipeline is carried out water filling pressure testing, pressure testing after completing pipeline to be emptied just can take off pressure testing device.In above-mentioned process of the test, Having needed installation and the dismounting of pressure testing device, also pipeline has been carried out water filling and draining, operating process is loaded down with trivial details, can cause water The waste of resource so that pressure testing is relatively costly.
Summary of the invention
For above-mentioned the deficiencies in the prior art, the technical problem to be solved is: how to provide a kind of installation side Just, it is not necessary to dismounting, being conducive to simplifying work pressure test flow process, reduce the waste of water resource, the pressure pipeline reducing pressure testing cost is fast Speed action pressure-testing joint and pressure-measuring method.
In order to solve above-mentioned technical problem, present invention employs following technical scheme:
A kind of pressure pipeline Quick-action pressure-testing joint, it is characterised in that include fixing and encircle consolidating on testing pressure pipeline Determine device, and for the drilling rod of boring on testing pressure pipeline;Have along matched installation in described fixing device The installing hole of the through setting of testing pressure pipeline radial direction, described fixing device is positioned at this installing hole position towards to be measured The side of pressure pipeline is provided with the sealing member for sealing;Have on the sidewall of described drilling rod front end and connect with end, rear end The water inlet arranged, the rear end of described drilling rod has the joint for connecting pressure testing device;The front end of described drilling rod can pass Described installing hole pierces in testing pressure pipeline, and is sealably mounted on this installing hole, and described water inlet is positioned at and treats pressure measurement In hydraulic piping.
Use said structure, utilize drilling rod that pressure pipeline is holed, and be sealingly mounted on the installing hole of fixing device, by Water inlet in drilling rod front end enters in testing pressure pipeline with drilling rod, and connects with end, rear end so that pressure testing device Can be connected with testing pressure pipe interior by this drilling rod.As such, it is possible to directly the pipeline already filled with water is tried Press operation, it is not necessary to pipeline is carried out water filling and draining, is conducive to simplifying the flow process of pressure testing operation, reduces the waste of water resource, fall Low pressure testing cost.
As optimization, described fixing device includes the saddle of the circular arc that can fit with testing pressure pipeline external surface Seat, and for described saddle seat is fixed on the restraint zone on testing pressure pipeline, described restraint zone is detachably connected to The arc direction two ends of described saddle seat;Described mounting hole site is in the middle part of described saddle seat.
Use said structure, installation and the dismounting of fixing device can be facilitated, be conducive to improving and install and the work of pressure testing Make efficiency.
As optimization, the joint that the rear end of described drilling rod is installed is pressure measuring tie-in.
Owing to there being Self-sealing valve in pressure measuring tie-in, due to the effect of spring when being used alone, Self-sealing valve is closed.As such, it is possible to Before connecting pressure testing device, prevent the water in pressure pipeline from flowing out from the rear end of drilling rod, reduce the waste of water, be conducive to saving Pressure testing cost.It addition, employing said structure, after pressure testing terminates, it is possible to use this pressure measuring tie-in installs Pressure gauge, periodically or not Periodically this pressure pipeline is carried out pressure monitor, ensure the safety of pressure pipeline at any time.
As optimization, in the installing hole of described fixing device, there is female thread;The middle part of described drilling rod have radially to The outer prominent annular connecting portion formed, described annular connecting portion has the external screw thread matched with described female thread, described brill Bar is arranged in described fixing device by threaded engagement.
Using said structure, owing to the female thread of the external screw thread on annular connecting portion with installing hole matches, and annular is even The portion of connecing is outwardly to arrange along the radial direction of drilling rod so that the diameter of installing hole is naturally larger than the diameter of drilling rod front end, makes Obtain drilling rod can hole on pressure pipeline swimmingly;Meanwhile, the installation being easy to drilling rod after piercing is fixed.
As optimization, the installing hole of described fixing device is to taper into along the orient diameter towards testing pressure pipeline Two-stage stepped hole, and be the relatively small bullport of diameter near one end of testing pressure pipeline, described female thread is positioned at described On the installing hole hole wall away from one end of testing pressure pipeline;The diameter of the diameter of described bullport and described drilling rod front end mutually one Cause.
Owing to the diameter of bullport is consistent with the diameter of drilling rod front end so that after drilling rod passes installing hole, all the time with peace Dress hole keeps coaxial, and so, drilling rod, in boring procedure, will not contact with the female thread on installing hole, it is to avoid boring procedure Middle drilling rod collides female thread and causes damage, it is ensured that after boring, drilling rod can be installed on the securing means smoothly.
As optimization, the position that described fixing device is positioned at installing hole place away from the side of testing pressure pipeline has close Envelope plane, described sealing plane and the axis perpendicular of installing hole;The annular connecting portion of described drilling rod is away from testing pressure pipeline One end there is the radially prominent annular boss formed;Described annular boss and the sealing plane in described fixing device Between be provided with for seal sealing gasket.
So, after drilling rod being arranged on the installing hole of fixing device, it is ensured that the sealing between drilling rod and installing hole Property, prevent the water in pressure pipeline through boring from flowing out between fixing device and drilling rod, it is to avoid the waste of water resource.
A kind of pressure pipeline Quick-action pressure-testing method, it is characterised in that comprise the steps, step a, acquisition are such as claim Pressure pipeline Quick-action pressure-testing joint described in any claim in 1 ~ 6;Step b, first chooses pressure on testing pressure pipeline Power test point, then the fixing device of above-mentioned pressure pipeline Quick-action pressure-testing joint is encircled the pressure survey being arranged on testing pressure pipeline On pilot position, then utilize drilling rod to pass the installing hole of fixing device and testing pressure pipeline is holed and seals peace It is contained on the installing hole of fixing device;Step c, is connected to pressure testing device on the joint on drilling rod, enters testing pressure pipeline Row applied voltage test.
In sum, the present invention has easy for installation, it is not necessary to dismounting, is conducive to simplifying work pressure test flow process, reduces water money The waste in source, reduces the advantages such as pressure testing cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of inventive embodiments.
Detailed description of the invention
The present invention is described in further detail below in conjunction with the accompanying drawings.
When being embodied as: as it is shown in figure 1, a kind of pressure pipeline Quick-action pressure-testing joint, encircle to be measured including fixing Fixing device 1 on pressure pipeline, and for the drilling rod 2 of boring on testing pressure pipeline;Have in described fixing device 1 Along the installing hole of the testing pressure through setting of pipeline radial direction of matched installation, described fixing device 1 is positioned at this installation Position, hole is provided with the sealing member 3 for sealing towards the side of testing pressure pipeline;On the sidewall of described drilling rod 2 front end Have with end, rear end connect arrange water inlet, the rear end of described drilling rod 2 has the joint for connecting pressure testing device;Institute The front end stating drilling rod 2 can pierce in testing pressure pipeline through described installing hole, and is sealably mounted on this installing hole, and Described water inlet is positioned at testing pressure pipeline.
Use said structure, utilize drilling rod that pressure pipeline is holed, and be sealingly mounted on the installing hole of fixing device, by Water inlet in drilling rod front end enters in testing pressure pipeline with drilling rod, and connects with end, rear end so that pressure testing device Can be connected with testing pressure pipe interior by this drilling rod.As such, it is possible to directly the pipeline already filled with water is tried Press operation, it is not necessary to pipeline is carried out water filling and draining, is conducive to simplifying the flow process of pressure testing operation, reduces the waste of water resource, fall Low pressure testing cost.
During enforcement, described fixing device 1 includes the saddle of the circular arc that can fit with testing pressure pipeline external surface Seat 11, and for the restraint zone 12 being fixed on testing pressure pipeline by described saddle seat 11, described restraint zone 12 is detachable Be connected to the arc direction two ends of described saddle seat 11;Described mounting hole site is in the middle part of described saddle seat 11.
Use said structure, installation and the dismounting of fixing device can be facilitated, be conducive to improving and install and the work of pressure testing Make efficiency.
During enforcement, the joint that the rear end of described drilling rod 2 is installed is pressure measuring tie-in.
Owing to there being Self-sealing valve in pressure measuring tie-in, due to the effect of spring when being used alone, Self-sealing valve is closed.As such, it is possible to Before connecting pressure testing device, prevent the water in pressure pipeline from flowing out from the rear end of drilling rod, reduce the waste of water, be conducive to saving Pressure testing cost.It addition, employing said structure, after pressure testing terminates, it is possible to use this pressure measuring tie-in, periodically or non-periodically to this pressure Hydraulic piping carries out pressure monitor, ensures the safety of pressure pipeline at any time.
During enforcement, in the installing hole of described fixing device 1, there is female thread;The middle part of described drilling rod 2 have radially to The outer prominent annular connecting portion formed, described annular connecting portion has the external screw thread matched with described female thread, described brill Bar 2 is arranged in described fixing device 1 by threaded engagement.
Using said structure, owing to the female thread of the external screw thread on annular connecting portion with installing hole matches, and annular is even The portion of connecing is outwardly to arrange along the radial direction of drilling rod so that the diameter of installing hole is naturally larger than the diameter of drilling rod front end, makes Obtain drilling rod can hole on pressure pipeline swimmingly;Meanwhile, the installation being easy to drilling rod after piercing is fixed.It is embodied as Time, the female thread on installing hole and the external screw thread on annular connecting portion can also is that the taper thread being mutually matched.
During enforcement, the installing hole of described fixing device 1 is to taper into along the orient diameter towards testing pressure pipeline Two-stage stepped hole, and be the relatively small bullport of diameter near one end of testing pressure pipeline, described female thread is positioned at described On the installing hole hole wall away from one end of testing pressure pipeline;The diameter of the diameter of described bullport and described drilling rod front end mutually one Cause.
Owing to the diameter of bullport is consistent with the diameter of drilling rod front end so that after drilling rod passes installing hole, all the time with peace Dress hole keeps coaxial, and so, drilling rod, in boring procedure, will not contact with the female thread on installing hole, it is to avoid boring procedure Middle drilling rod collides female thread and causes damage, it is ensured that after boring, drilling rod can be installed on the securing means smoothly.
During enforcement, the position that described fixing device 1 is positioned at installing hole place away from the side of testing pressure pipeline has close Envelope plane, described sealing plane and the axis perpendicular of installing hole;The annular connecting portion of described drilling rod 2 is away from testing pressure pipeline One end there is the radially prominent annular boss formed;Described annular boss is put down with the sealing in described fixing device 1 The sealing gasket for sealing it is provided with between face.
So, after drilling rod being arranged on the installing hole of fixing device, it is ensured that the sealing between drilling rod and installing hole Property, prevent the water in pressure pipeline through boring from flowing out between fixing device and drilling rod, it is to avoid the waste of water resource.
During concrete pressure testing, comprising the steps, step a, acquisition are as described in any claim in claim 1 ~ 6 Pressure pipeline Quick-action pressure-testing joint;Step b, first chooses pressure testing point on testing pressure pipeline, then by above-mentioned pressure pipeline The fixing device of Quick-action pressure-testing joint is encircled on the pressure testing point position being arranged on testing pressure pipeline, then utilizes brill Testing pressure pipeline is holed through the installing hole of fixing device and is sealingly mounted on the installing hole of fixing device by bar;Step Rapid c, is connected to pressure testing device on the joint on drilling rod, testing pressure pipeline is carried out applied voltage test.
The foregoing is only presently preferred embodiments of the present invention, not with the present invention for limiting, all essences in the present invention Any amendment, equivalent and the improvement etc. made within god and principle, should be included within the scope of the present invention.

Claims (7)

1. a pressure pipeline Quick-action pressure-testing joint, it is characterised in that include fixing and encircle on testing pressure pipeline Fixing device (1), and for the drilling rod (2) of boring on testing pressure pipeline;Have in described fixing device (1) along therewith Coordinating the installing hole of the testing pressure through setting of pipeline radial direction installed, described fixing device (1) is positioned at this installing hole institute The sealing member (3) for sealing it is provided with in the side being positioned against testing pressure pipeline;On the sidewall of described drilling rod (2) front end Have with end, rear end connect arrange water inlet, the rear end of described drilling rod (2) has the joint for connecting pressure testing device; The front end of described drilling rod (2) can pierce in testing pressure pipeline through described installing hole, and is sealably mounted at this installing hole On, and described water inlet is positioned at testing pressure pipeline.
2. pressure pipeline Quick-action pressure-testing joint as claimed in claim 1, it is characterised in that described fixing device (1) includes energy The saddle seat (11) of the circular arc enough fitted with testing pressure pipeline external surface, and for described saddle seat (11) is fixed Restraint zone (12) on testing pressure pipeline, described restraint zone (12) is detachably connected to the camber line of described saddle seat (11) Two ends, direction;Described mounting hole site is in the middle part of described saddle seat (11).
3. pressure pipeline Quick-action pressure-testing joint as claimed in claim 1, it is characterised in that the rear end of described drilling rod (2) is installed Joint be pressure measuring tie-in.
4. pressure pipeline Quick-action pressure-testing joint as claimed in claim 1, it is characterised in that the installation of described fixing device (1) There is in hole female thread;The middle part of described drilling rod (2) has the radially prominent annular connecting portion formed, and described annular is even Connecing and have the external screw thread matched with described female thread in portion, described drilling rod (2) is arranged on described fixing dress by threaded engagement Put on (1).
5. pressure pipeline Quick-action pressure-testing joint as claimed in claim 4, it is characterised in that the installation of described fixing device (1) Hole is to have tapered into two-stage stepped hole along the orient diameter towards testing pressure pipeline, and near one end of testing pressure pipeline For the bullport that diameter is relatively small, described female thread is positioned at the described installing hole hole wall away from one end of testing pressure pipeline On;The diameter of described bullport is consistent with the diameter of described drilling rod front end.
6. pressure pipeline Quick-action pressure-testing joint as claimed in claim 4, it is characterised in that described fixing device (1) is away from treating The side of measuring pressure pipeline is positioned at the position at installing hole place and has a sealing plane, the axis phase of described sealing plane and installing hole Vertically;The annular connecting portion of described drilling rod (2) has the radially prominent ring formed away from one end of testing pressure pipeline Shape boss;The sealing gasket for sealing it is provided with between sealing plane on described annular boss and described fixing device (1).
7. a pressure pipeline Quick-action pressure-testing method, it is characterised in that comprise the steps, step a, obtain such as claim 1 ~ Pressure pipeline Quick-action pressure-testing joint described in any claim in 6;Step b, first chooses pressure on testing pressure pipeline Test point, then the fixing device of above-mentioned pressure pipeline Quick-action pressure-testing joint is encircled the stress test being arranged on testing pressure pipeline On some position, then utilize drilling rod to pass the installing hole of fixing device and testing pressure pipeline is holed and seals installation On the installing hole of fixing device;Step c, is connected to pressure testing device on the joint on drilling rod, carries out testing pressure pipeline Applied voltage test.
CN201610572914.4A 2016-07-20 2016-07-20 A kind of pressure pipeline Quick-action pressure-testing joint and pressure-measuring method Pending CN106248490A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610572914.4A CN106248490A (en) 2016-07-20 2016-07-20 A kind of pressure pipeline Quick-action pressure-testing joint and pressure-measuring method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610572914.4A CN106248490A (en) 2016-07-20 2016-07-20 A kind of pressure pipeline Quick-action pressure-testing joint and pressure-measuring method

Publications (1)

Publication Number Publication Date
CN106248490A true CN106248490A (en) 2016-12-21

Family

ID=57613973

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610572914.4A Pending CN106248490A (en) 2016-07-20 2016-07-20 A kind of pressure pipeline Quick-action pressure-testing joint and pressure-measuring method

Country Status (1)

Country Link
CN (1) CN106248490A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108051288A (en) * 2017-12-28 2018-05-18 武汉科技大学 A kind of PE pipelines pressue device and method

Citations (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4127141A (en) * 1977-05-31 1978-11-28 Coupling Systems, Inc. Method and apparatus for stopping fluid escape from pipe mains
US4334334A (en) * 1979-08-08 1982-06-15 Wendell David E Thread cleaning device
US4351349A (en) * 1980-11-10 1982-09-28 Minotti Peter L Pipe repair kit apparatus and method
CN2045808U (en) * 1988-12-23 1989-10-11 上海市煤气公司管线工程所 Automatic piercing machine for enclosed pipe
US4949744A (en) * 1986-12-04 1990-08-21 Kai Heed Method and device for mounting a body in a conduit containing fluid
WO1991006801A1 (en) * 1989-10-25 1991-05-16 Kai Heed Method and device to enable sealed fitting of devices to a pressurized tube
CN2179520Y (en) * 1993-11-26 1994-10-12 吴彪 Boring pressure tester for pipeline
US5524661A (en) * 1994-04-08 1996-06-11 Tigerholm Ab Method of blocking a pipe and device therefor
CN201221659Y (en) * 2008-06-21 2009-04-15 安源管道实业有限公司 Gas non-stop transporting first-aid repairing apparatus with gas of steel plastic composite pipeline
CN102000732A (en) * 2009-08-28 2011-04-06 株式会社韩国保利泰克 Under-pressure punching device
CN201803050U (en) * 2010-08-05 2011-04-20 新余泰达长林管道技术有限公司 Leakage blocking cover plate with pressure of steel pipeline
WO2011081252A1 (en) * 2009-12-31 2011-07-07 Kim Je-Hyeun Tee pipe for preventing the cutoff of water supply, and method for preventing water leakage using same
CN102829271A (en) * 2012-08-30 2012-12-19 无锡迈鑫科技实业有限公司 Explosion-proof pressure testing joint
CN203161169U (en) * 2013-02-06 2013-08-28 中国石油化工股份有限公司 Casing pressure relief device
CN203162404U (en) * 2013-01-25 2013-08-28 中国华冶科工集团有限公司 Cooling water pipe pressure test connector
CN203310704U (en) * 2013-07-12 2013-11-27 田金合 Manual pressure test device with multifunctional blowout preventer
CN204238925U (en) * 2014-10-13 2015-04-01 中曼石油钻井技术有限公司 A kind of drilling rod pressure testing device of completion practice
CN204422286U (en) * 2015-03-04 2015-06-24 北京奥盛兰石油技术服务有限公司 The telescopic mounting of pressure pipeline gas sample
CN204694542U (en) * 2015-06-13 2015-10-07 内蒙古建筑职业技术学院 A kind of packoff of the pressure pipeline hydraulic testing

Patent Citations (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4127141A (en) * 1977-05-31 1978-11-28 Coupling Systems, Inc. Method and apparatus for stopping fluid escape from pipe mains
US4334334A (en) * 1979-08-08 1982-06-15 Wendell David E Thread cleaning device
US4351349A (en) * 1980-11-10 1982-09-28 Minotti Peter L Pipe repair kit apparatus and method
US4949744A (en) * 1986-12-04 1990-08-21 Kai Heed Method and device for mounting a body in a conduit containing fluid
CN2045808U (en) * 1988-12-23 1989-10-11 上海市煤气公司管线工程所 Automatic piercing machine for enclosed pipe
WO1991006801A1 (en) * 1989-10-25 1991-05-16 Kai Heed Method and device to enable sealed fitting of devices to a pressurized tube
CN2179520Y (en) * 1993-11-26 1994-10-12 吴彪 Boring pressure tester for pipeline
US5524661A (en) * 1994-04-08 1996-06-11 Tigerholm Ab Method of blocking a pipe and device therefor
CN201221659Y (en) * 2008-06-21 2009-04-15 安源管道实业有限公司 Gas non-stop transporting first-aid repairing apparatus with gas of steel plastic composite pipeline
CN102000732A (en) * 2009-08-28 2011-04-06 株式会社韩国保利泰克 Under-pressure punching device
WO2011081252A1 (en) * 2009-12-31 2011-07-07 Kim Je-Hyeun Tee pipe for preventing the cutoff of water supply, and method for preventing water leakage using same
CN201803050U (en) * 2010-08-05 2011-04-20 新余泰达长林管道技术有限公司 Leakage blocking cover plate with pressure of steel pipeline
CN102829271A (en) * 2012-08-30 2012-12-19 无锡迈鑫科技实业有限公司 Explosion-proof pressure testing joint
CN203162404U (en) * 2013-01-25 2013-08-28 中国华冶科工集团有限公司 Cooling water pipe pressure test connector
CN203161169U (en) * 2013-02-06 2013-08-28 中国石油化工股份有限公司 Casing pressure relief device
CN203310704U (en) * 2013-07-12 2013-11-27 田金合 Manual pressure test device with multifunctional blowout preventer
CN204238925U (en) * 2014-10-13 2015-04-01 中曼石油钻井技术有限公司 A kind of drilling rod pressure testing device of completion practice
CN204422286U (en) * 2015-03-04 2015-06-24 北京奥盛兰石油技术服务有限公司 The telescopic mounting of pressure pipeline gas sample
CN204694542U (en) * 2015-06-13 2015-10-07 内蒙古建筑职业技术学院 A kind of packoff of the pressure pipeline hydraulic testing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108051288A (en) * 2017-12-28 2018-05-18 武汉科技大学 A kind of PE pipelines pressue device and method

Similar Documents

Publication Publication Date Title
CN206468985U (en) Hydraulic test of pipeline plugging device
CN201650211U (en) Multifunctional cross
CN204554225U (en) The outer pod apertures of a kind of first-aid clamp tears valve self-closing device open
CN209458570U (en) A kind of pipe flange detection device
CN209414868U (en) A kind of sealing device for pipeline mesolow pressure testing
CN106248490A (en) A kind of pressure pipeline Quick-action pressure-testing joint and pressure-measuring method
CN208900074U (en) It is a kind of for controlling the auxiliary device in cementing plug face
CN203257349U (en) Ocean module drill rig slurry backflow device
CN205861575U (en) The mounting structure of microwave method coal powder density on-line measurement sensor
CN202521154U (en) Baffle for pipeline water/gas pressure testing
CN205532590U (en) Novel two return circuit bi -polar shutoff systems of leaking hunting
CN203347735U (en) Self-checking and self-sealing releasing packer
CN205956592U (en) Emergent sealing device of sand discharge pipe wire terminal
CN205206782U (en) Oil jacket pipe threaded connection gas leakproofness detects packer
CN209148217U (en) A kind of pressure testing back support device for heavy caliber water supply and sewerage pipeline
CN201673024U (en) Simple valve pressure test device
CN205879478U (en) Steel cylinder hydrostatic testing machine
CN208091638U (en) Pressure testing device for steel cylinder concrete top pipe slurry injection hole sealing detection
CN113176047A (en) Sealing section detection device and method
CN209892552U (en) Portable hydraulic system fault detection device
CN107764654B (en) Multi-test-block seepage test device and use method
CN201615819U (en) Manual air-tightness tester of cylinder cover
US9303807B1 (en) Pipe installation transition fitting and pipe installation method
CN205449686U (en) Welding seam pressure testing device
CN206177521U (en) Detection frock of welding seam between takeover and equipment barrel

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20161221