CN102705628A - Dual-packing cup suspension plugging head - Google Patents
Dual-packing cup suspension plugging head Download PDFInfo
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- CN102705628A CN102705628A CN2012102136859A CN201210213685A CN102705628A CN 102705628 A CN102705628 A CN 102705628A CN 2012102136859 A CN2012102136859 A CN 2012102136859A CN 201210213685 A CN201210213685 A CN 201210213685A CN 102705628 A CN102705628 A CN 102705628A
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- packing cup
- cup
- support plate
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- plugging
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Abstract
The invention discloses a dual-packing cup suspension plugging head comprising a guide push plate and a support frame, wherein the support frame is articulated with the guide push plate; the end part of the support frame is fixedly connected with a plugging packing cup; the plugging packing cup is composed of a main packing cup and an auxiliary packing cup which are arranged in a same direction; a main support plate arranged at the bottom of the main packing cup and a connection plate arranged at the inner side of the auxiliary packing cup are connected into an integer through a hinged shaft; an auxiliary support plate is fixedly connected to the bottom of the auxiliary packing cup; a guide shaft fixedly connected with the auxiliary support plate on one end is arranged in an upwards aslope extending way, and the end part of the guide shaft is provided with a guide wheel. The invention has the advantages of simple structure, flexible operation and good plugging effect; in the invention, the main packing cup and the auxiliary packing cup are used in a matching way especially when an oil-gas pipeline is plugged so that the purpose of one-time dual plugging is realized in such a way that the main packing cup directly faces to an impact medium and the tiny leakage of edge gaps is plugged once more by using the e auxiliary packing cup, a great quantity of manpower and material resources are saved, the safety is greatly enhanced, and the engineering time is shorted.
Description
Technical field
The present invention relates to pipe plugging spare, especially relate to the double leather cup rotating hanging block head of a kind of once two envelope, the tight ne-leakage of obstruction.
Background technique
Pipeline (comprising aqueduct, gas pipeline, oil transport pipeline etc.) is the often interim shutoff of needs in construction, maintenance or checking process; Promptly under the complete airtight state of pipeline; Transform the both sides of pipeline section at need; Utilize the physical mechanical means that the section of transformation is isolated stifled disconnected from pipeline, it is safeguarded, repairs or replacing etc.The physical mechanical means comprise a plurality of forms such as a barrel formula shutoff, suspension type shutoff.Operating pipeline relocated to be divided into stop defeated relocate and do not stop the defeated dual mode of relocating: do not stop defeated relocating and normally the section of relocating both sides are connected with bypass tube respectively, with the bypass line fed sheet of a media, shutoff main line then; Stopping defeated relocating generally is with pipeline shutdown, utilizes method for blocking that the section of relocating and main line is stifled disconnected, empties the interior medium of the section of relocating, and cuts off old pipeline section, with new pipeline section for it.
Treating when transforming pipeline section and carrying out shutoff, adopt shutoff air bag or shutoff leather cup to carry out shutoff usually.When treating that blocking pipe is weldless tube and pressure medium when little, plugging effect is all right, if pipeline (particularly oil and gas pipes) is on volute or the pipeline weld bond to be arranged; When the shutoff leather cup got in the pipeline shutoff, the weld bond place often because shutoff is not tight, medium seepage phenomenon occurred; Run into when pressure medium is big in the pipe, can increase the weight of seepage, can not carry out next step and connect head work; In case and seepage does not sternly appear in the oil and gas pipes shutoff, just possibly there is the danger of blast.Common processing mode is to open a following bag hole again and carry out the secondary shutoff with connecting a neutral position in shutoff, and this solution need expend very big man power and material, and has prolonged the construction period.
Summary of the invention
The object of the present invention is to provide a kind of simple in structure but double leather cup rotating hanging block head that plugging effect is better, safer.
For realizing above-mentioned purpose, the present invention can take following technical proposals:
Double leather cup rotating hanging block head of the present invention; Comprise the guiding push pedal and be hinged on the support in the said guiding push pedal; Said bracket end is fixed with the shutoff leather cup; Said shutoff leather cup is made up of the primary cup and the secontary cup that are provided with in the same way, and the connecting plate that is arranged on the main support plate at the bottom of the primary cup bowl and is arranged on secontary cup bowl inboard is connected as a single entity through hinge; On at the bottom of the said secontary cup bowl, be fixed with secondary support plate, the axis of guide that an end is connected on the secondary support plate extends setting to oblique upper, and its end is provided with upper saw pulley.
Said hinge is provided with roller.
Said main support plate, secondary support plate and treat that the point of contact place of blocking pipe inwall is provided with pulley.
The center line of said hinge is lower than the center line of major and minor leather cup.
The invention has the advantages that simple in structure, flexible operation, plugging effect is good, particularly during the shutoff oil and gas pipes; Major and minor leather cup is used, and primary cup is directly in the face of impact media, and the minor leakage at place, slit, edge is carried out shutoff once more with secontary cup; Realized the once purpose of two envelopes; Save great amount of manpower and material resources, improved Security greatly, shortened engineering time.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the plan view of Fig. 1.
Fig. 3 is a shutoff process schematic representation of the present invention.
Embodiment
Like Fig. 1, shown in 2; Double leather cup rotating hanging block head of the present invention comprises guiding push pedal 1 and the support 2 that is hinged in the guiding push pedal 1, is fixed with the shutoff leather cup in support 2 ends; For improving the leakproofness of shutoff; The shutoff leather cup is made up of primary cup that is provided with in the same way 3 and secontary cup 4, and the main support plate 5 that is arranged at the bottom of 3 bowls of the primary cups is connected as a single entity through hinge 7 with the connecting plate 6 that is arranged on 4 bowls of inboards of secontary cup, and the center line of hinge 7 is lower than the center line of primary cup 3 and secontary cup 4; Be fixed with secondary support plate 8, one ends at the bottom of 4 bowls of secontary cups and be connected in the axis of guide 9 on the secondary support plate 8 and extend to oblique upper and be provided with, its end is provided with upper saw pulley 10; For reducing the moving resistance of block head in treating blocking pipe, be provided with roller 11 in the central position of hinge 7, at main support plate 5, secondary support plate 8 and treat that the point of contact place of blocking pipe inwall is provided with pulley 12.
The working procedure of double leather cup rotating hanging block head of the present invention is as shown in Figure 3:
Offer and the auxiliary piping of treating that blocking pipe is connected, the push pedal 1 of will leading links together with the outer liquid depression bar, and the axis of guide 9 is sent into block head in the auxiliary piping downwards; Start power source, hydraulic rod stretches out downwards, and the axis of guide 9 of block head below touches when treating the blocking pipe bottom; The upper saw pulley 10 of end is because of relatively center line can be laterally mobile along pipeline, and hydraulic rod continues to press down, and secondary support plate 8 contacts with duct bottom; Pulley 12 on the secondary support plate 8 can drive secondary support plate 8, secontary cup 4 continues laterally to move along pipeline, and hydraulic rod continues to press down, and makes at the bottom of hinge 7 contact tubes; Because hinge 7 is disalignment also; Roller 11 laterally moves along pipeline equally, the bottom that spurs main support plate 5 to duct bottom near, make primary cup 3 begin blocking pipe gradually; Press down guiding push pedal 1 to hydraulic rod and arrive duct bottom, primary cup 3 drives the two-stage shutoff that secontary cup 4 is accomplished pipeline.
Main shutoff leather cup 3 is pressed in mould by materials such as butadiene acrylonitrile rubbers with secondary shutoff leather cup 4 and is formed type, can anti-middle and high pressure, after the shutoff completion; The edge of primary cup 3 and secontary cup 4 is attached to inner-walls of duct sealing paste tightly; Even inner-walls of duct has weld bond or planarization shortcoming, the edge that causes primary cup 3 is seepage slightly, and secontary cup 4 can continue shutoff to leakages; Realize once two envelopes, guaranteed normal, safe construction.After construction finishes, carry on the hydraulic rod, guiding push pedal 1 upwards proposes pipeline with primary cup 3 and secontary cup 4 successively.
Claims (4)
1. double leather cup rotating hanging block head; Comprise guiding push pedal (1) and be hinged on the support (2) in the said guiding push pedal (1); Said support (2) end is fixed with the shutoff leather cup; It is characterized in that: said shutoff leather cup is made up of the primary cup (3) and the secontary cup (4) that are provided with in the same way, is arranged on the main support plate (5) at primary cup (3) the bowl end and is arranged on the inboard connecting plate (6) of secontary cup (4) bowl to be connected as a single entity through hinge (7); Be fixed with secondary support plate (8) at said secontary cup (4) bowl, the axis of guide (9) that an end is connected on the secondary support plate (8) extends setting to oblique upper at the end, and its end is provided with upper saw pulley (10).
2. double leather cup rotating hanging block head according to claim 1 is characterized in that: said hinge (7) is provided with roller (11).
3. double leather cup rotating hanging block head according to claim 1 is characterized in that: said main support plate (5), secondary support plate (8) and treat that the point of contact place of blocking pipe inwall is provided with pulley (12).
4. double leather cup rotating hanging block head according to claim 1 is characterized in that: the center line of said hinge (7) is lower than the center line of major and minor leather cup (3,4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102136859A CN102705628A (en) | 2012-06-27 | 2012-06-27 | Dual-packing cup suspension plugging head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102136859A CN102705628A (en) | 2012-06-27 | 2012-06-27 | Dual-packing cup suspension plugging head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102705628A true CN102705628A (en) | 2012-10-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102136859A Pending CN102705628A (en) | 2012-06-27 | 2012-06-27 | Dual-packing cup suspension plugging head |
Country Status (1)
| Country | Link |
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| CN (1) | CN102705628A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109737264A (en) * | 2019-03-07 | 2019-05-10 | 北华大学 | Robot is intelligently blocked in brake type pipeline |
| CN110425376A (en) * | 2019-08-07 | 2019-11-08 | 武汉理工大学 | A kind of line leakage and emergency leakage blocking device |
| CN112145860A (en) * | 2020-09-22 | 2020-12-29 | 河北润达石化工程建设有限公司 | Natural gas pipeline overhauling and plugging device and using method |
| CN114962847A (en) * | 2021-02-25 | 2022-08-30 | 中国石油天然气集团有限公司 | Plug mechanism |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201696802U (en) * | 2010-04-27 | 2011-01-05 | 新疆三叶管道技术有限责任公司 | Pressure-facing equalizer-free plugging device |
| CN102216665A (en) * | 2008-10-22 | 2011-10-12 | Tdw特拉华有限公司 | Improved double block and bleed plug |
| CN202691435U (en) * | 2012-06-27 | 2013-01-23 | 河南锐驰管道工程技术有限公司 | Rotary-hanging plugging head with dual leather cup |
-
2012
- 2012-06-27 CN CN2012102136859A patent/CN102705628A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102216665A (en) * | 2008-10-22 | 2011-10-12 | Tdw特拉华有限公司 | Improved double block and bleed plug |
| CN201696802U (en) * | 2010-04-27 | 2011-01-05 | 新疆三叶管道技术有限责任公司 | Pressure-facing equalizer-free plugging device |
| CN202691435U (en) * | 2012-06-27 | 2013-01-23 | 河南锐驰管道工程技术有限公司 | Rotary-hanging plugging head with dual leather cup |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109737264A (en) * | 2019-03-07 | 2019-05-10 | 北华大学 | Robot is intelligently blocked in brake type pipeline |
| CN109737264B (en) * | 2019-03-07 | 2023-08-18 | 北华大学 | Brake type intelligent plugging robot in pipeline |
| CN110425376A (en) * | 2019-08-07 | 2019-11-08 | 武汉理工大学 | A kind of line leakage and emergency leakage blocking device |
| CN110425376B (en) * | 2019-08-07 | 2020-09-08 | 武汉理工大学 | Pipeline leakage monitoring and emergency plugging device |
| CN112145860A (en) * | 2020-09-22 | 2020-12-29 | 河北润达石化工程建设有限公司 | Natural gas pipeline overhauling and plugging device and using method |
| CN112145860B (en) * | 2020-09-22 | 2022-05-20 | 河北润达石化工程建设有限公司 | Natural gas pipeline overhauling and plugging device and using method |
| CN114962847A (en) * | 2021-02-25 | 2022-08-30 | 中国石油天然气集团有限公司 | Plug mechanism |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Application publication date: 20121003 |