CN103453247A - Inflating type pipeline connecting clamp hoop - Google Patents

Inflating type pipeline connecting clamp hoop Download PDF

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Publication number
CN103453247A
CN103453247A CN2013103971563A CN201310397156A CN103453247A CN 103453247 A CN103453247 A CN 103453247A CN 2013103971563 A CN2013103971563 A CN 2013103971563A CN 201310397156 A CN201310397156 A CN 201310397156A CN 103453247 A CN103453247 A CN 103453247A
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CN
China
Prior art keywords
gas
clip
pipeline
clamp hoop
air sac
Prior art date
Application number
CN2013103971563A
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Chinese (zh)
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CN103453247B (en
Inventor
曾军财
裴武波
苗建明
孙畅
高频
Original Assignee
中国船舶重工集团公司第七一〇研究所
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Priority to CN201310397156.3A priority Critical patent/CN103453247B/en
Publication of CN103453247A publication Critical patent/CN103453247A/en
Application granted granted Critical
Publication of CN103453247B publication Critical patent/CN103453247B/en

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Abstract

The invention belongs to the technical field of structural design, and particularly relates to a pipeline connecting clamp hoop, which has the technical scheme that the inflating type pipeline connecting clamp hoop comprises a plug (1), a clamp hoop (2), a screw bolt (3) and an air bag (4), wherein the clamp hoop (2) is connected by the screw bolt (3), the air bag (4) is plated in the clamp hoop (2) after being inflated, and the plug (1) is arranged in a threaded hole of the clamp hoop (2). The inflating type pipeline connecting clamp hoop can be used for completely pasting the outer surfaces of the two ends of a pipeline, so the sealing is ensured, the pressure of the clamp hoop on the pipeline can be changed according to the inflating pressure of the air bag, in addition, the vibration resistance capability is realized, the impact force from each direction can be absorbed, and meanwhile, the contraction and expansion resistance capability is realized. Compared with the welding connecting mode, a flange connecting mode and an ordinary clamp hoop connecting mode, the inflating type pipeline connecting clamp hoop has the advantage that the stability of a pipeline system is improved.

Description

The gas-filled type pipe joint hoop
Technical field
The invention belongs to the structure-design technique field, be specifically related to a kind of pipe joint hoop.
Background technique
Groove pipe fitting interconnection technique also claims the clip connected technology, and it is the major technique that current liquid, gas pipeline connect, and through development and application for many years, has replaced gradually flange and two kinds of conventional pipelines Placements of welding, has obtained the generally approval in market.
The groove connection pipe fitting comprises two large series products: 1. working the pipe fitting that connects seal action has rigid joint, flexible coupling, mechanical three-way and groove type flange; 2. work the pipe fitting that connects transitional function elbow, threeway, four-way, reducer, blind plate etc. are arranged.Wherein work the groove connection pipe fitting that connects seal action and mainly contain three parts compositions: sealing rubber ring, clip and lock bolt.The rubber seal that is positioned at internal layer is placed in the outside of connected pipe, and matches with the groove of rolling in advance, then buckles clip in the outside of rubber ring, then use two bolton, can guarantee the sealing of pipeline, and with the increasing of tube fluid pressure, the corresponding enhancing of its sealing.
Although that the pipeline Placement that the welding that the clip connected mode is more traditional is connected with flange has is simple to operate, the original characteristic of pipeline is unaffected, be beneficial to construction safety, good stability, the advantage such as easy to maintenance, also shows its following deficiency:
First for guaranteeing favorable sealing property, and the degree of finish of pipe ends outer surface sealing place be there are certain requirements.
During the second installation, require the central axis in two its holes of pipeline to connecting to align, otherwise after installing, may cause rubber ring to break, and affect area of passage.
The 3rd pipeline clamp Placement can not be carried out dynamic adjustments to the clip impacting force according to tube fluid pressure size.
Summary of the invention
The objective of the invention is, a kind of gas-filled type pipe joint hoop is provided, the problem existed to solve above-mentioned common clip Placement;
Technological scheme of the present invention is: a kind of gas-filled type pipe joint hoop, and it comprises: obstruction, clip, bolt and air bag;
Clip is two metal semi-rings, and two metal semi-rings connect into a complete annular solid by two bolts, and the neutral position of each metal semi-ring is provided with tapped through hole radially;
Air bag comprises: air sac and gas bag inflating valve; Air sac is rectangular structure, and the one end designs for tip, and the other end is provided with the U-shaped breach, and when air sac is inflated in the form of a ring, an end of tip is positioned at the U-shaped breach of the other end; Gas bag inflating valve is arranged on air sac;
Air bag is placed in the mounting groove of metal semi-ring inwall depression, and gas bag inflating valve is relative with the tapped through hole of a metal semi-ring of clip, stops up and is arranged in the tapped through hole of clip metal semi-ring.
Beneficial effect: 1) the pipeline installation requirement is low, wide adaptability: because the gas-filled type pipe joint hoop is inflated air bag after installation, guarantee sealing thereby the pipe ends outer surface can be fitted fully, so its degree of finish to sealing place of pipe ends outer surface is less demanding; In addition owing to having adopted the gas-filled type pipe joint hoop, also not high to the requirement of the medial axis alignment of two pipelines installed, there is certain deviation the medial axis of two pipelines, also can guarantee sealing by air bag self-adapting stretching ability, and can damage not arranged to air bag.Can find out from above-mentioned 2, adopt the gas-filled type pipe joint hoop greatly to reduce the installation requirement of pipeline, adaptability is wider.
2) pressure adjusting function: common clip Placement is after pipeline has connected, in the situation that pipe fluid pressure is constant, clip is fixed the force value of pipeline, in being unified the pressure testing process of the test, if seal for pipe joints place seepage occurs, to again take clip apart and again check installation pressure testing; And after adopting the gas-filled type pipe joint hoop, can change according to the inflation pressure of air bag the pressure of clip to pipeline, namely there is the dynamic adjustments pressure capability, if while during unified pressure testing test, seal for pipe joints place Seepage occurring, thereby only need guarantee to seal by the pressure to pipeline by increase gasbag pressure increase clip, solve leakage problems, simple and convenient.
3) stability of a system is good
The gas-filled type pipe joint hoop is because having adopted the air sac sealing form, there is unique flexibility characteristics, make pipeline there is the ability of anti-vibration, it can absorb the impact from all directions power, the ability that simultaneously there is anti-pucker & bloat, with welding, flange and common clip Placement, compare, the stability of pipe-line system increases, and is more suitable for the variation of temperature.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of the air bag in the present invention;
Fig. 3 is the structural representation of clip under open mode in the present invention;
Fig. 4 is the schematic cross-section of the present invention and sealing for tubing joints;
Fig. 5 is the gas bag inflating valve of various structural types in embodiment;
Wherein: 1-obstruction, 2-clip, 3-bolt, 4-air bag, 5-air sac, 6-gas bag inflating valve.
Embodiment
Referring to accompanying drawing 1, a kind of gas-filled type pipe joint hoop, it comprises: stop up 1, clip 2, bolt 3 and air bag 4;
Clip 2 is two metal semi-rings, and two metal semi-rings connect into a complete annular solid by two bolts 3, and the neutral position of each metal semi-ring is provided with tapped through hole radially;
Air bag 4 comprises: air sac 5 and gas bag inflating valve 6; Air sac 5 is rectangular structure, and the one end designs for tip, and the other end is provided with the U-shaped breach, and when air sac 5 is inflated in the form of a ring, an end of tip is positioned at the U-shaped breach of the other end; Gas bag inflating valve 6 is arranged on air sac 5;
Normal conditions lower gasbag 4 inside are the gas that is filled with certain pressure, make it reach full state and get final product, to facilitate in the mounting groove that is placed in the interior metal semi-ring of clip 2 inwall depression; Gas bag inflating valve 6 is aimed at the tapped hole of a metal semi-ring of clip 2, to the interior inflation of air bag 4; Design is by two tapped through holes radially, and purpose is the convenient inflation in different azimuth to gas bag inflating valve 6; Stop up 1 and be arranged in the tapped hole of clip 2 metal semi-rings, its effect is in order to prevent that dust and other impurity from entering into clip 2 inside;
Referring to accompanying drawing 2, air bag 4 is comprised of air sac 5, gas bag inflating valve 6, and air bag 4 vulcanizes one by sulfuration process by air sac 5, gas bag inflating valve 6.Difference according to gas-filled type pipe joint hoop Environmental Conditions and working condition, air sac 5 can select the polyurethane tartan that high elasticity, high-elongation and heat resistanceheat resistant solution ability are strong to make, for guaranteeing resistance to pressure and the tensile strength of air sac 5, be designed with canvas filler layer in working process, its effect is that while preventing the gas pressure increase, air sac 5 expansion generation distortion cause damage; Simple and convenient for inflating, gas bag inflating valve 6 is designed to the structure similar to the basketball inflation inlet, so just may just can give air bag 4 inflations in the gas-filled type pipe joint hoop by common plays basketball inflator.
Referring to accompanying drawing 3, for easy to maintenance, two metal semi-rings in clip 2 are designed to rotate and not interfere around bolt, that is to say when carrying out pipeline maintenance, as long as take a bolt in clip 2 apart, just air bag 4 can be taken out and carry out maintenance and inspection, improve working efficiency, and common clip Placement need to be taken two bolts apart and just can be carried out maintenance work when carrying out pipeline maintenance.
Referring to accompanying drawing 4, expand after air bag 4 inflation the cave in space of mounting groove and pipeline enclosure of clip 2 is full of, rubber is fitted and is sealed with metallic walls; Air bag 4 inflation pressures are larger, and its sealing effect is better.When carrying out sealing for tubing joints, can decide according to pipe fluid pressure the size of air bag 4 inflation pressures.
Referring to accompanying drawing 5, wherein structural type 1 and structural type 2 are connected air sac 5, gas bag inflating valve 6 by rubber, its difference is mainly that structure shape has difference, and structural type 3 is that air sac 5 and hardware are sulfided into to one, then gas bag inflating valve 6 is integrated with the hardware sulfuration again.Adopt gas bag inflating valve 6 its inflation pressures of structural type 3 to be greater than structural type 1 and structural type 2, therefore, when carrying out the pipeline connection, can select according to air bag inflation pressure the structural type of different gas bag inflating valve 6.
During the pipeline connection, first carry out preparatory work before installation, check channeling machine, pipe cutting machine, guarantee to use safety, the preparation of material and instrument comprises tubing, steel tape, spanner, leveling instrument, oiling agent, pump, pressure gauge etc.Install the suspension and support of pipe to be installed by designing requirement.Then with pipe cutting machine length on demand cutting by steel pipe, with leveling instrument, check the otch section, guarantee that the otch section is vertical with the steel pipe medial axis.Then according to normal flow process to the steel pipe slot rolling, if mechanical three-way, four-way are installed, by normal method, steel pipe is carried out to tap operation again.Pipeline is installed, should be according to first filling large footpath, house steward, standpipe, fill principle small-bore, that be in charge of afterwards, in installation process, must install continuously in order, can not jump dress, segmentation dress, so as not to occur between section and section being connected difficult with affect the pipeline overall performance, concrete installation steps are as follows: the one, and steel pipe is fixed on suspension and support, and smears oiling agent in end; The 2nd, the steel pipe of another radicle having been smeared to oiling agent aligns substantially with first steel pipe medial axis; The 3rd, place air bag 4 in ring in the clip of opening (as shown in Figure 3), and be enclosed within the end of two steel pipes, and then head, the tail of air bag 4 are connected, the tapped hole of two metal semi-rings of clip is alignd, and clip is sent in the groove of steel pipe to upper bolt tightening nut.The 4th, according to tube fluid pressure size, air bag 4 to be inflated, its inflation pressure must be larger than overpressure.The 5th, carry out the system pressure testing, should check before the system pressure testing whether each assembling set, fixed support etc. are in place comprehensively.After pressure testing, if occur, pipeline junction has Seepage can be inflated by the air bag 4 to leakage, to increase clip, the pressure of steel tube end part is guaranteed to sealing, when inflation without the halt system pressure testing, simple to operate, but and real-time monitored to the inflation after effect.
It is wide that the present invention applies the scope of drawing a clear, and can be used for fire fighting water system, air conditioner cold-heat water system, feedwater specific drug, petrochemical pipe system, thermoelectricity and military project pipe-line system and sewage treatment pipeline system etc.

Claims (4)

1. a gas-filled type pipe joint hoop, is characterized in that, it comprises: stop up (1), clip (2), bolt (3) and air bag (4);
Described clip (2) is two metal semi-rings, and described two metal semi-rings connect into a complete annular solid by two described bolts (3), and the neutral position of each described metal semi-ring is provided with tapped through hole radially;
Described air bag (4) comprising: air sac (5) and gas bag inflating valve (6); Described air sac (5) is rectangular structure, and the one end designs for tip, and the other end is provided with the U-shaped breach, and when described air sac (5), while inflating in the form of a ring, an end of described tip is positioned at the U-shaped breach of the other end; Described gas bag inflating valve (6) is arranged on described air sac (5);
Described air bag (4) is placed in the mounting groove of described metal semi-ring inwall depression, described gas bag inflating valve (6) is relative with the tapped through hole of a metal semi-ring of described clip (2), and described obstruction (1) is arranged in the tapped through hole of described clip (2) metal semi-ring.
2. a kind of gas-filled type pipe joint hoop as claimed in claim 1, is characterized in that, described air sac (5) is made by the polyurethane tartan, and is provided with canvas filler layer therein.
3. a kind of gas-filled type pipe joint hoop as claimed in claim 1 or 2, is characterized in that, described gas bag inflating valve (6) is integrated with described air sac (5) sulfuration.
4. a kind of gas-filled type pipe joint hoop as claimed in claim 1 or 2, it is characterized in that, install described metal installation base additional between described gas bag inflating valve (6) and described air sac (5), described metal installation base and described gas bag inflating valve (6), described air sac (5) are sulfided into respectively one.
CN201310397156.3A 2013-09-04 2013-09-04 Inflating type pipeline connecting clamp hoop CN103453247B (en)

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Application Number Priority Date Filing Date Title
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CN103453247B CN103453247B (en) 2015-05-27

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104455857A (en) * 2014-11-17 2015-03-25 常熟市华恩机械有限公司 Rapid hoop of fire hose
CN104847980A (en) * 2015-04-26 2015-08-19 谢洁萍 Air pressure type pipeline connector
CN105466673A (en) * 2014-09-12 2016-04-06 北京强度环境研究所 External pressure loading air bag
CN106556537A (en) * 2016-11-21 2017-04-05 上海航天精密机械研究所 A kind of special-shaped nacelle external pressure device
CN107246454A (en) * 2017-07-21 2017-10-13 武汉理工大学 A kind of active control type pipe shock absorptor
CN110397810A (en) * 2019-08-06 2019-11-01 叶宁 A kind of pipe-line junction encapsulation process method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2822192A (en) * 1953-12-07 1958-02-04 Guy M Beatty Pipe coupling with socketed inflatable sealing member
GB993384A (en) * 1963-07-29 1965-05-26 Woodward Iron Company Packing device and method of sealing pipe joint therewith
US5160175A (en) * 1991-08-22 1992-11-03 Yang Ming Tung Quick pipe coupling with inflatable seal and pin retainer
CN103104780A (en) * 2012-12-14 2013-05-15 赵焕杰 Pipe repair sleeve
CN203517061U (en) * 2013-09-04 2014-04-02 中国船舶重工集团公司第七一〇研究所 Inflatable pipeline connection clamp

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2822192A (en) * 1953-12-07 1958-02-04 Guy M Beatty Pipe coupling with socketed inflatable sealing member
GB993384A (en) * 1963-07-29 1965-05-26 Woodward Iron Company Packing device and method of sealing pipe joint therewith
US5160175A (en) * 1991-08-22 1992-11-03 Yang Ming Tung Quick pipe coupling with inflatable seal and pin retainer
CN103104780A (en) * 2012-12-14 2013-05-15 赵焕杰 Pipe repair sleeve
CN203517061U (en) * 2013-09-04 2014-04-02 中国船舶重工集团公司第七一〇研究所 Inflatable pipeline connection clamp

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105466673A (en) * 2014-09-12 2016-04-06 北京强度环境研究所 External pressure loading air bag
CN104455857A (en) * 2014-11-17 2015-03-25 常熟市华恩机械有限公司 Rapid hoop of fire hose
CN104847980A (en) * 2015-04-26 2015-08-19 谢洁萍 Air pressure type pipeline connector
CN104847980B (en) * 2015-04-26 2016-08-31 谢洁萍 Pneumatic pipeline connector
CN106556537A (en) * 2016-11-21 2017-04-05 上海航天精密机械研究所 A kind of special-shaped nacelle external pressure device
CN107246454A (en) * 2017-07-21 2017-10-13 武汉理工大学 A kind of active control type pipe shock absorptor
CN110397810A (en) * 2019-08-06 2019-11-01 叶宁 A kind of pipe-line junction encapsulation process method

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Granted publication date: 20150527

Termination date: 20180904