CN109027468A - The interim dispensing ring of feedwater piping pressure testing - Google Patents

The interim dispensing ring of feedwater piping pressure testing Download PDF

Info

Publication number
CN109027468A
CN109027468A CN201811161506.5A CN201811161506A CN109027468A CN 109027468 A CN109027468 A CN 109027468A CN 201811161506 A CN201811161506 A CN 201811161506A CN 109027468 A CN109027468 A CN 109027468A
Authority
CN
China
Prior art keywords
ring
pipe
main body
extension board
base ring
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
CN201811161506.5A
Other languages
Chinese (zh)
Inventor
李俊伟
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201811161506.5A priority Critical patent/CN109027468A/en
Publication of CN109027468A publication Critical patent/CN109027468A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L21/00Joints with sleeve or socket
    • F16L21/08Joints with sleeve or socket with additional locking means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L57/00Protection of pipes or objects of similar shape against external or internal damage or wear
    • F16L57/02Protection of pipes or objects of similar shape against external or internal damage or wear against cracking or buckling
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Examining Or Testing Airtightness (AREA)

Abstract

The invention discloses the interim dispensing rings of feedwater piping pressure testing, its structure includes first pipe, main body, second pipe, first pipe and second pipe are in same vertical line, first pipe is connected with second pipe junction with main body, mainly there are two lids for main body, base ring is composed, first main body and base ring cooperate, lid, base ring is all semicircular configuration, lid is mainly by shell, jam plate, spiral shell select, extension board, semi-ring protrusion, sealing composition, outer surface of outer cover bottom level is welded with extension board, the present invention mainly passes through lid, base ring and sealing plate etc., the first pipe of interim package water outlet and second pipe junction, balance pressure inside and outside the pipeline of junction, avoid the secondary rupture of pipeline, completely cut off outside air using water seal, while water flow sealed body, water flow is constantly buffered, hydraulic pressure height is avoided to break through master Body can not send pressure, continue to test upper pipeline.

Description

The interim dispensing ring of feedwater piping pressure testing
Technical field
The present invention relates to feedwater piping fields, particularly with regard to a kind of interim dispensing ring of feedwater piping pressure testing.
Background technique
With the propulsion of urbanization, the foundation of high building Balkh, high-rise household water is all that high force feed water is carried out by press pump, Guarantee that high-rise household water is convenient, pipeline all needs to carry out pressure testing to pipeline after being laid with, whether can be with water just first is that test is high-rise Often, the leakproofness of the second inspection pipeline, current one carries out sending pressure using hydraulic test pump, during high force feed water, if verifying The connection of low layer pipeline goes wrong, will pressure release, water can not send to high level, pressure testing again after needing first to safeguard, such one layer one Layer is tested trouble, and using temporary plugs such as cloths, hydraulic pressure is higher when pressure testing, can be broken up tamper, not can solve this A problem.
Summary of the invention
In view of the deficiencies of the prior art, the present invention is to realize by the following technical solutions: feedwater piping pressure testing is with facing When dispensing ring, structure includes first pipe, main body, second pipe, and the first pipe and second pipe are in same vertical line On, the first pipe is connected with second pipe junction with main body, the main body mainly there are two lid, base ring combination and At first main body and base ring cooperate, and the lid, base ring are all semicircular configuration.
As advanced optimizing for the technical program, the lid is mainly by shell, jam plate, spiral shell select, extension board, half ring convex It rises, sealing composition, the outer surface of outer cover bottom level is welded with extension board, is uniformly provided on the extension board more than two Perforation, the spiral shell select and perforation match, and the outer casing bottom is equipped with semi-ring protrusion, between the semi-ring protrusion and extension board Outer casing bottom is provided with sealing, and the jam plate is located on the shell above extension board, and the jam plate is fixedly connected with shell, and described half Ring convex rise and base ring matches.
As advanced optimizing for the technical program, the base ring be equipped with base ring main body, the second perforation, the second extension board, Fixture nut, with heal up, water seal mouth, with zygostyle, be provided with the water seal mouth matched with semi-ring protrusion in the base ring main body, it is described Base ring body outer surface level is welded with the second extension board, and second extension board is equipped with more than two second perforation, institute It states the perforation on the second perforation and extension board and is located at same axis, opened on one section of base ring main body immediately below the water seal mouth Have with healing up, zygostyle is matched equipped with cooperating therewith in another section, and the perforation in second perforation and extension board is by spiral shell select It is locked after running through with fixture nut, the base ring main body is also cooperated with sealing, described with zygostyle and with activity of healing up Cooperation.
As advanced optimizing for the technical program, the outer casing inner wall is equipped with decompression sealing structure, the decompression sealing Structure is made of more than two sealing plates and fixed block, and the fixed block generally L-type structure and its both ends are all fixed on outer Shell inner wall, the sealing plate are fixed in fixed block vertical end.
As advanced optimizing for the technical program, the sealing plate includes rubber layer, sealing plate, fixation hole, reinforcing bar, described Sealing plate middle is set there are two fixation hole on the same axis, and the horizontal both ends middle of sealing plate is horizontally fixed with reinforcing bar, The reinforcing bar is surrounded by and rubber layer, and the rubber layer and sealing plate are glued.
As advanced optimizing for the technical program, the rubber layer dome-type and its radius are greater than the length of reinforcing bar, In rubber layer deformation, reinforcing bar guarantees that the elasticity of rubber will not can not be restored because of excess compression, improves service life.
As advanced optimizing for the technical program, the width of the water seal mouth is greater than semi-ring ledge width, facilitates storage Certain water avoids ambient pressure rupture secondary to water pipe from impacting for completely cutting off extraneous air.
As advanced optimizing for the technical program, the internal diameter for the ring structure that described two lids, base ring are composed Equal to the outer diameter of first pipe and second pipe, it can tightly lock pipeline and avoid sliding.
Beneficial effect
Feedwater piping pressure testing of the present invention is had the advantage that compared with prior art with interim dispensing ring
1. the present invention is mainly matched by lid, base ring, first pipe and second pipe junction rupture, and water seeps It is flowed into after out in water seal mouth, and since water seal mouth and semi-ring protrusion match, water enters water seal mouth, for completely cutting off extraneous sky Gas guarantees that first pipe is consistent with pressure inside and outside second pipe junction, avoids the secondary rupture of pipeline.
2. the present invention is equipped with decompression sealing structure and lid, base ring match, lid, base ring constitute a sealing space, The air extraneous by water seal isolation again, the water pipe of rupture continue flowing water outward, and hydraulic pressure is excessive to lid, base ring impact, and water enters In sealing space, the problem of due to hydraulic pressure, sealing plate is gradually horizontal, respectively against pipeline outer wall and outer casing inner wall, two layers or more Sealing plate can gradually buffer water flow, mitigate pressure suddenly change caused by pipeline breaking.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention, Objects and advantages will become more apparent upon:
Diagrammatic cross-section when Fig. 1 is the structure disperses of the interim dispensing ring of feedwater piping pressure testing of the present invention.
Fig. 2 is the detailed construction schematic diagram of the interim dispensing ring of feedwater piping pressure testing of the present invention.
Fig. 3 is the cross-sectional structure schematic diagram of lid of the present invention.
Fig. 4 is the cross-sectional structure schematic diagram of base ring of the present invention.
Fig. 5 is the detailed construction schematic diagram of sealing plate of the present invention.
In figure: first pipe 1, main body 2, second pipe 3, lid 21, base ring 22, shell 21-1, jam plate 21-2, spiral shell select 21-3, extension board 21-4, semi-ring protrusion 21-5, sealing 21-6, base ring main body 22-1, the second perforation 22-2, the second extension board 22- 3, fixture nut 22-4, with the 22-5 that heals up, water seal mouth 22-6, match zygostyle 22-7, sealing plate 21a, fixed block 21b, rubber layer 21a-1, sealing plate 21a-2, fixation hole 21a-3, reinforcing bar 21a-4.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to Specific embodiment and Detailed description of the invention, the preferred embodiment that the present invention is further explained.
Embodiment
Please refer to Fig. 1-Fig. 5, the present invention provides the interim dispensing ring of feedwater piping pressure testing, structure include first pipe 1, Main body 2, second pipe 3, the first pipe 1 and second pipe 3 are in same vertical line, the first pipe 1 and the second pipe 3 junction of road is connected with main body 2, and the main body 2 is main, and there are two lid 21, base rings 22 to be composed, first main body 21 It cooperates with base ring 22, the lid 21, base ring 22 are all semicircular configuration.
The lid 21 is mainly by shell 21-1, jam plate 21-2, spiral shell select 21-3, extension board 21-4, semi-ring protrusion 21-5, envelope Mouth 21-6 composition, the outer surface shell 21-1 bottom level are welded with extension board 21-4, uniformly set on the extension board 21-4 There are two above perforation, the spiral shell select 21-3 and perforation are matched, and the bottom the shell 21-1 is equipped with semi-ring protrusion 21-5, institute It states the bottom shell 21-1 between semi-ring protrusion 21-5 and extension board 21-4 and is provided with sealing 21-6, the jam plate 21-2, which is located at, to be extended On shell 21-1 above plate 21-4, the jam plate 21-2 is fixedly connected with shell 21-1, the semi-ring protrusion 21-5 and base ring 22 match.
The base ring 22 be equipped with base ring main body 22-1, second perforation 22-2, the second extension board 22-3, fixture nut 22-4, With the 22-5 that heals up, water seal mouth 22-6, match zygostyle 22-7, is provided on the base ring main body 22-1 and is matched with semi-ring protrusion 21-5 Water seal mouth 22-6, the outer surface base ring main body 22-1 level are welded with the second extension board 22-3, the second extension board 22-3 More than two second perforation 22-2 are equipped with, the perforation on the second perforation 22-2 and extension board 21-4 is located at same axis Line is provided with the 22-5 that heals up on mono- section base ring main body 22-1 immediately below the water seal mouth 22-6, sets on another section Have cooperating therewith with zygostyle 22-7, the perforation on the second perforation 22-2 and extension board 21-4 is used after being run through by spiral shell select 21-3 Fixture nut 22-4 is locked, and the base ring main body 22-1 is also cooperated with sealing 21-6, described to match zygostyle 22-7 and match 22-5 activity of healing up cooperation.
The shell 21-1 inner wall is equipped with decompression sealing structure, and the decompression sealing structure is by more than two sealing plates 21a and fixed block 21b composition, the fixed block 21b generally L-type structure and its both ends is all fixed on shell 21-1 inner wall, institute Sealing plate 21a is stated to be fixed in fixed block 21b vertical end.
The sealing plate 21a includes rubber layer 21a-1, sealing plate 21a-2, fixation hole 21a-3, reinforcing bar 21a-4, the sealing plate The middle 21a-2 is set there are two fixation hole 21a-3 on the same axis, and the horizontal both ends middle sealing plate 21a-2 is horizontal It is fixed with reinforcing bar 21a-4, the reinforcing bar 21a-4 is surrounded by and rubber layer 21a-1, the rubber layer 21a-1 and sealing plate 21a-2 is glued.
The rubber layer 21a-1 dome-type and its radius are greater than the length of reinforcing bar 21a-4, in rubber layer 21a-1 deformation When, reinforcing bar 21a-4 guarantees that the elasticity of rubber will not can not be restored because of excess compression, improves service life.
The width of the water seal mouth 22-6 is greater than semi-ring protrusion 21-5 width, facilitates and stores certain water, outer for completely cutting off The air on boundary avoids ambient pressure rupture secondary to water pipe from impacting.
The internal diameter for the ring structure that described two lids 21, base ring 22 are composed is equal to first pipe 1 and second pipe 3 Outer diameter, can tightly lock pipeline and avoid sliding.
Installation method: first, two lids 21 are locked in first pipe 1 by jam plate 21-2;Second, two base rings 22 By 22-5 and stitching and fastening with zygostyle 22-7 and being fixed on second pipe 3 by spiral shell select with healing up;Finally use Fixture nut 22-4 uses fixture nut 22-4 by lid 21, base ring after the perforation on the second perforation 22-2 and extension board 21-4 22 lock together, water seal mouth 22-6 and semi-ring protrusion 21-5 engaging in base ring 22.
Basic principle: the 3 junction trickle water of first pipe 1 and second pipe of rupture, place spray of the water from rupture Out, it is radial then, water can enter base ring 22 in water seal mouth 22-6 in, water be filled with gap completely cut off outside air into Enter in pipeline, guarantee that the pressure inside and outside pipeline is consistent, avoids pressure difference from leading to the secondary rupture of pipeline junction, while water enters Main body 2 has bigger impact force, and the sealing plate 21a of setting can both buffer water flow, with the flowing of water flow, sealing plate 21a- 2 can also rotate, and deformation occurs that 1 pipeline outer wall of first pipe and shell 21-1 inner wall are withstood in two sides by rubber layer 21a-1, Carry out enclosure space.
Problems solved by the invention is during high force feed water, if verifying, the connection of low layer pipeline goes wrong, will Pressure release, water can not be sent to high level, pressure testing again after needing first to safeguard, trouble of testing in layer in this way, using cloth etc. Temporary plug, hydraulic pressure is higher when pressure testing, can break up tamper, not can solve this problem, and the present invention passes through above-mentioned component Be combined with each other, the present invention mainly passes through lid 21, base ring 22 and sealing plate 21a etc., the first pipe 1 of interim package water outlet With 3 junction of second pipe, pressure inside and outside the pipeline of junction is balanced, avoids the secondary rupture of pipeline, is completely cut off using water seal extraneous Air while water flow sealed body, constantly buffers water flow, hydraulic pressure height is avoided to break through main body 2, can not send pressure, continue to test Upper pipeline.
The basic principles, main features and advantages of the present invention have been shown and described above, the technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this The principle of invention can not only be realized in other specific forms under the premise of not departing from spirit of that invention or essential characteristic The present invention will also have various changes and improvements, these changes and improvements both fall within scope of the claimed invention, therefore this hair Bright claimed range is defined by appended claims and its equivalent, rather than above description limits.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (8)

1. the interim dispensing ring of feedwater piping pressure testing, it is characterised in that: its structure includes first pipe (1), main body (2), second Pipeline (3), the first pipe (1) and second pipe (3) are in same vertical line, the first pipe (1) and second pipe (3) junction is connected with main body (2), and the main body (2) is mainly composed there are two lid (21), base ring (22), and described the One main body (21) and base ring (22) cooperate.
2. the interim dispensing ring of feedwater piping pressure testing according to claim 1, it is characterised in that: the lid (21) is main By shell (21-1), jam plate (21-2), spiral shell select (21-3), extension board (21-4), semi-ring raised (21-5), sealing (21-6) group At shell (21-1) outer surface bottom level is welded with extension board (21-4), is uniformly provided on the extension board (21-4) More than two perforation, the spiral shell select (21-3) and perforation match, and the shell bottom (21-1) is equipped with semi-ring protrusion (21- 5), bottom shell (21-1) between the semi-ring raised (21-5) and extension board (21-4) is provided with sealing (21-6), the lock Plate (21-2) is located on the shell (21-1) above extension board (21-4), the jam plate (21-2) and the fixed company of shell (21-1) It connects, the semi-ring raised (21-5) and base ring (22) match.
3. the interim dispensing ring of feedwater piping pressure testing according to claim 1, it is characterised in that: the base ring (22) is equipped with Base ring main body (22-1), second perforation (22-2), the second extension board (22-3), fixture nut (22-4), with (22-5), water of healing up It seals (22-6), match zygostyle (22-7), the water seal matched with semi-ring raised (21-5) is provided on the base ring main body (22-1) Mouth (22-6), base ring main body (22-1) outer surface level are welded with the second extension board (22-3), second extension board (22-3) is equipped with more than two second perforation (22-2), the perforation in second perforation (22-2) and extension board (21-4) Positioned at same axis, it is provided on section of base ring main body (22-1) immediately below the water seal mouth (22-6) with (22- that heals up 5), zygostyle (22-7) is matched equipped with cooperating therewith in another section, in second perforation (22-2) and extension board (21-4) Perforation run through by spiral shell select (21-3) after locked with fixture nut (22-4), the base ring main body (22-1) also with sealing (21-6) is cooperated, described with zygostyle (22-7) and with (22-5) activity cooperation of healing up.
4. the interim dispensing ring of feedwater piping pressure testing according to claim 2, it is characterised in that: in the shell (21-1) Wall is equipped with decompression sealing structure, and the decompression sealing structure is made of more than two sealing plates (21a) and fixed block (21b), The fixed block (21b) generally L-type structure and its both ends are all fixed on shell (21-1) inner wall, and the sealing plate (21a) is solid It is scheduled in fixed block (21b) vertical end.
5. the interim dispensing ring of feedwater piping pressure testing according to claim 4, it is characterised in that: the sealing plate (21a) Including rubber layer (21a-1), sealing plate (21a-2), fixation hole (21a-3), reinforcing bar (21a-4), sealing plate (21a-2) middle If the horizontal both ends middle of sealing plate (21a-2) is horizontally fixed with steel there are two fixation hole (21a-3) on the same axis Muscle (21a-4), the reinforcing bar (21a-4) are surrounded by and rubber layer (21a-1).
6. the interim dispensing ring of feedwater piping pressure testing according to claim 5, it is characterised in that: the rubber layer (21a- 1) dome-type and its radius are greater than the length of reinforcing bar (21a-4).
7. the interim dispensing ring of feedwater piping pressure testing according to claim 3, it is characterised in that: the water seal mouth (22-6) Width be greater than raised (21-5) width of semi-ring.
8. the interim dispensing ring of feedwater piping pressure testing according to claim 1, it is characterised in that: described two lids (21), the internal diameter for the ring structure that base ring (22) is composed is equal to the outer diameter of first pipe (1) and second pipe (3).
CN201811161506.5A 2018-09-30 2018-09-30 The interim dispensing ring of feedwater piping pressure testing Pending CN109027468A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811161506.5A CN109027468A (en) 2018-09-30 2018-09-30 The interim dispensing ring of feedwater piping pressure testing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811161506.5A CN109027468A (en) 2018-09-30 2018-09-30 The interim dispensing ring of feedwater piping pressure testing

Publications (1)

Publication Number Publication Date
CN109027468A true CN109027468A (en) 2018-12-18

Family

ID=64615603

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811161506.5A Pending CN109027468A (en) 2018-09-30 2018-09-30 The interim dispensing ring of feedwater piping pressure testing

Country Status (1)

Country Link
CN (1) CN109027468A (en)

Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59182328A (en) * 1983-03-31 1984-10-17 Takenaka Komuten Co Ltd Method and device for testing water leakage in hot water pipeline of building
CN2729494Y (en) * 2003-10-30 2005-09-28 费伟 Leaking stopper for pipeline
CN201502836U (en) * 2009-10-07 2010-06-09 余鸣雷 Plugging clamp for flange forming
CN201507759U (en) * 2009-09-25 2010-06-16 兖州煤业股份有限公司 Quick pipeline leak processor
CN201651660U (en) * 2010-01-09 2010-11-24 余鸣雷 Straight pipeline forming leak-stoppage clamp
CN202360994U (en) * 2011-11-18 2012-08-01 山东联合化工股份有限公司 Flange type pressure plugging device
CN202629476U (en) * 2012-06-29 2012-12-26 宁夏青龙塑料管材有限公司 Pipeline quick urgent-repair device without cutting off water supply
CN203131317U (en) * 2013-02-06 2013-08-14 中国三冶集团有限公司设备检修工程公司 Pipeline joint for maintenance
CN203189957U (en) * 2013-02-28 2013-09-11 浙江豪锐科技有限公司 Novel first-aid repair connector
CN203363527U (en) * 2012-11-24 2013-12-25 天津重钢机械装备股份有限公司 Temporary leakage blocking device for pipeline
CN203963385U (en) * 2013-12-24 2014-11-26 桐昆集团浙江恒腾差别化纤维有限公司 Pipe leakage stopper
CN104913151A (en) * 2015-05-18 2015-09-16 安庆旭东工贸有限责任公司 Leakage stopper capable of being rapidly installed
CN105179873A (en) * 2015-09-28 2015-12-23 中国石油天然气集团公司 Leakage repair cover for pipeline stretching-out articles
CN205048064U (en) * 2015-10-23 2016-02-24 中民筑友有限公司 Feed pipe pressure testing device
CN205824405U (en) * 2016-04-27 2016-12-21 台州龙江化工机械科技有限公司 A kind of pipe leakage protection structure
CN207702025U (en) * 2018-01-10 2018-08-07 孙庆东 A kind of interim trapping device of water supply line
CN108591672A (en) * 2018-05-13 2018-09-28 南京恒众机械有限公司 Steam pipeline device for plugging with pressure

Patent Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59182328A (en) * 1983-03-31 1984-10-17 Takenaka Komuten Co Ltd Method and device for testing water leakage in hot water pipeline of building
CN2729494Y (en) * 2003-10-30 2005-09-28 费伟 Leaking stopper for pipeline
CN201507759U (en) * 2009-09-25 2010-06-16 兖州煤业股份有限公司 Quick pipeline leak processor
CN201502836U (en) * 2009-10-07 2010-06-09 余鸣雷 Plugging clamp for flange forming
CN201651660U (en) * 2010-01-09 2010-11-24 余鸣雷 Straight pipeline forming leak-stoppage clamp
CN202360994U (en) * 2011-11-18 2012-08-01 山东联合化工股份有限公司 Flange type pressure plugging device
CN202629476U (en) * 2012-06-29 2012-12-26 宁夏青龙塑料管材有限公司 Pipeline quick urgent-repair device without cutting off water supply
CN203363527U (en) * 2012-11-24 2013-12-25 天津重钢机械装备股份有限公司 Temporary leakage blocking device for pipeline
CN203131317U (en) * 2013-02-06 2013-08-14 中国三冶集团有限公司设备检修工程公司 Pipeline joint for maintenance
CN203189957U (en) * 2013-02-28 2013-09-11 浙江豪锐科技有限公司 Novel first-aid repair connector
CN203963385U (en) * 2013-12-24 2014-11-26 桐昆集团浙江恒腾差别化纤维有限公司 Pipe leakage stopper
CN104913151A (en) * 2015-05-18 2015-09-16 安庆旭东工贸有限责任公司 Leakage stopper capable of being rapidly installed
CN105179873A (en) * 2015-09-28 2015-12-23 中国石油天然气集团公司 Leakage repair cover for pipeline stretching-out articles
CN205048064U (en) * 2015-10-23 2016-02-24 中民筑友有限公司 Feed pipe pressure testing device
CN205824405U (en) * 2016-04-27 2016-12-21 台州龙江化工机械科技有限公司 A kind of pipe leakage protection structure
CN207702025U (en) * 2018-01-10 2018-08-07 孙庆东 A kind of interim trapping device of water supply line
CN108591672A (en) * 2018-05-13 2018-09-28 南京恒众机械有限公司 Steam pipeline device for plugging with pressure

Similar Documents

Publication Publication Date Title
CN105546321B (en) Hydrops remover on a kind of dry gas holder piston
CN109027468A (en) The interim dispensing ring of feedwater piping pressure testing
CN105782604B (en) A kind of vacuum protection formula flange connector
CN102182825A (en) Sealing structure for sealing box
CN107504313A (en) A kind of pipe plugging mechanism
CN210127251U (en) Blast furnace roof water-cooling chute inspection hole sealing structure
CN202691191U (en) Aluminum diaphragm explosion venting valve
CN208587250U (en) A kind of huge Francis hydroturbine generator set main-shaft core blowdown pipe structure
CN205209692U (en) Pressure gauge base structure
CN204029905U (en) Electric automobile enclosed high pressure power brick inside and outside air pressure balance device
CN208417938U (en) Sensor fixing structure in pipeline with pressure
CN202065187U (en) Sink-type installing structure for gas-oil separator core
AU2011100719A4 (en) Sealed and safe connector for arch cover of biogas pool
CN205724757U (en) A kind of pressure-fired system of isolated-phase enclosed bus
CN210830995U (en) Port plugging device for waste pipeline for natural gas pipe network transformation
CN217154153U (en) Water-gas separation and discharge device for boiler blow-off pipeline
CN216976144U (en) Pipeline connecting flange plate
CN209658018U (en) A kind of compensation capacitor buffering exhaust cut-off structure
CN210774570U (en) Floating plug mechanism of hydraulic press
CN201780800U (en) Sealing gasket for primary loop sealing top cap of nuclear power station reactor and sealing top cap
CN209703858U (en) The connection structure of roof drain and roof drainage mouth and rain pipe
CN213478585U (en) Water hammer effect eliminating device for water pump starting and stopping
CN219140116U (en) Pipeline regulating valve group
CN204395285U (en) A kind of Rapid leakage repairing device of fire hose
CN209025185U (en) A kind of gas defence blastproof strainer

Legal Events

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

Application publication date: 20181218

RJ01 Rejection of invention patent application after publication