CN103453247B - Inflating type pipeline connecting clamp hoop - Google Patents
Inflating type pipeline connecting clamp hoop Download PDFInfo
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- CN103453247B CN103453247B CN201310397156.3A CN201310397156A CN103453247B CN 103453247 B CN103453247 B CN 103453247B CN 201310397156 A CN201310397156 A CN 201310397156A CN 103453247 B CN103453247 B CN 103453247B
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- clamp hoop
- gas
- clip
- rings
- air sac
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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
Technical field
The invention belongs to structure-design technique field, be specifically related to a kind of pipe joint hoop.
Background technique
Groove pipe fitting interconnection technique also claims clip connected technology, the major technique that it is current liquid, gas pipeline connects, and through development and application for many years, instead of flange and welding two kinds of conventional pipelines Placements gradually, obtains the generally accreditation in market.
Groove connection pipe fitting comprises two large series products: 1. working the pipe fitting connecting seal action has rigid joint, flexible coupling, mechanical three-way and groove type flange; 2. work the pipe fitting connecting transitional function and have elbow, threeway, four-way, reducer, blind plate etc.Wherein work the groove connection pipe fitting connecting seal action and mainly contain three part compositions: sealing rubber ring, clip and lock bolt.The rubber seal being 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 two bolton are used, the sealing of pipeline can be ensured, and increasing with tube fluid pressure, the corresponding enhancing of its sealing.
Although the pipeline Placement of the welding that clip connected mode is more traditional and Flange joint have 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 ensureing favorable sealing property, there are certain requirements the degree of finish of pipe ends outer surface sealing place.
Require during the second installation should align to the central axis in two its holes of pipeline connected, otherwise rubber ring after installing, may be caused to break, and affect area of passage.
3rd pipeline clamp Placement can not carry out dynamic adjustments according to tube fluid pressure size to clip impacting force.
Summary of the invention
The object of the invention is, a kind of gas-filled type pipe joint hoop is provided, to solve above-mentioned common clip Placement Problems existing;
Technological scheme of the present invention is: a kind of gas-filled type pipe joint hoop, and it comprises: blocking, clip, bolt and air bag;
Clip is two metal half-rings, and two metal half-rings connect into a complete annular solid by two bolts, and the neutral position of each metal half-rings is provided with radial tapped through hole;
Air bag comprises: air sac and gas bag inflating valve; Air sac is elongate configuration, and its one end is cusp design, and the other end is provided with U-shaped breach, and when air sac is inflated in the form of a ring, one 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 half-rings inner wall depression, and gas bag inflating valve is relative with the tapped through hole of a metal half-rings of clip, and blocking is arranged in the tapped through hole of clip metal half-rings.
Beneficial effect: 1) Pipe installing requires low, wide adaptability: because gas-filled type pipe joint hoop is inflated air bag after mounting, pipe ends outer surface can be fitted completely thus ensure sealing, therefore it is not high to the smoothness requirements of pipe ends outer surface sealing place; In addition owing to have employed gas-filled type pipe joint hoop, also not high to the requirement of the medial axis alignment of two pipelines installed, namely there is certain deviation the medial axis of two pipelines, also ensures sealing by air bag self-adapting stretching ability, and can not have damage to air bag.As can be seen from above-mentioned 2, adopt the installation requirement of gas-filled type pipe joint hoop to pipeline greatly to reduce, adaptability is wider.
2) pressure adjusting function: common clip Placement is after pipeline has connected, when pipe fluid pressure is constant, the force value of clip to pipeline is fixing, carrying out unifying in pressure testing process of the test, if there is seal for pipe joints place seepage, then again to take clip apart and again carry out inspection installation and pressure testing; And after adopting gas-filled type pipe joint hoop, the pressure of clip to pipeline can be changed according to the inflation pressure of air bag, namely there is dynamic adjustments pressure capability, if when there is seal for pipe joints place Seepage during unified pressure testing test, then only need ensure sealing by increasing gasbag pressure thus increasing clip to the pressure of pipeline, solve leakage problems, simple and convenient.
3) stability of a system is good
Gas-filled type pipe joint hoop is because have employed air sac sealing form, there is unique flexibility characteristics, pipeline is made to have the ability of anti-vibration, it can absorb the impact from all directions power, there is the ability of resisted shrinkage and expansion simultaneously, compared with welding, flange and common clip Placement, the stability of pipe-line system increases, and is more suitable for the change of temperature.
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 clip structural representation in the on-state 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 type in embodiment;
Wherein: 1-blocking, 2-clip, 3-bolt, 4-air bag, 5-air sac, 6-gas bag inflating valve.
Embodiment
See accompanying drawing 1, a kind of gas-filled type pipe joint hoop, it comprises: blocking 1, clip 2, bolt 3 and air bag 4;
Clip 2 is two metal half-rings, and two metal half-rings connect into a complete annular solid by two bolts 3, and the neutral position of each metal half-rings is provided with radial tapped through hole;
Air bag 4 comprises: air sac 5 and gas bag inflating valve 6; Air sac 5 is elongate configuration, and its one end is cusp design, and the other end is provided with U-shaped breach, and when air sac 5 is inflated in the form of a ring, one 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 is the gas being filled with certain pressure, makes it reach full state, with facilitate be placed in metal half-rings inner wall depression in clip 2 mounting groove in; Gas bag inflating valve 6 aims at the tapped hole of a metal half-rings of clip 2, to inflate in air bag 4; Design by two radial tapped through holes, object is convenient to the inflation of gas bag inflating valve 6 in different azimuth; Blocking 1 is arranged in the tapped hole of clip 2 metal half-rings, and its effect is inner in order to prevent dust and other impurity from entering into clip 2;
See accompanying drawing 2, air bag 4 is made up of air sac 5, gas bag inflating valve 6, and air bag 4 by sulfuration process by air sac 5, gas bag inflating valve 6 sulfuration integrally.The difference of foundation gas-filled type pipe joint hoop Environmental Conditions and working condition, air sac 5 can select the strong polyurethane tartan of high elasticity, high-elongation and heat resistanceheat resistant solution ability to make, for ensureing resistance to pressure and the tensile strength of air sac 5, in working process, be designed with canvas filler layer, its effect is that when preventing gas pressure from increasing, air sac 5 expansion generation distortion causes damage; Simple and convenient for inflating, gas bag inflating valve 6 is designed to the structure similar to basketball inflation inlet, so just can inflate just can to air bag 4 in gas-filled type pipe joint hoop by common plays basketball inflator.
See accompanying drawing 3, for easy to maintenance, two metal half-rings in clip 2 are designed to can rotate around bolt and not interfere, that is 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 take two bolts apart and just can carry out maintenance work when carrying out pipeline maintenance.
See accompanying drawing 4, air bag 4 is inflated caved in by clip 2 space of mounting groove and pipeline enclosure of rear expansion and is full of, and rubber and metallic walls are fitted and sealed; Air bag 4 inflation pressure is larger, and its sealing effect is better.When carrying out sealing for tubing joints, the size of air bag 4 inflation pressure can be decided according to pipe fluid pressure.
See accompanying drawing 5, wherein air sac 5, gas bag inflating valve 6 are connected by rubber by structural type 1 and structural type 2, its difference mainly structure shape has difference, and structural type 3 is that air sac 5 and hardware are sulfided into one, then gas bag inflating valve 6 is integrated with hardware sulfuration again.Adopt its inflation pressure of gas bag inflating valve 6 of structural type 3 to be greater than structural type 1 and structural type 2, therefore when carrying out pipeline and connecting, the structural type of different gas bag inflating valves 6 can be selected according to air bag inflation pressure.
During pipeline connection, first carry out preparatory work before installation, check channeling machine, pipe cutting machine, guarantee use safety, the preparation of material and instrument comprises tubing, steel tape, spanner, leveling instrument, oiling agent, pump, pressure gauge etc.The suspension and support of pipe to be installed is installed by designing requirement.Then with pipe cutting machine, steel pipe length is on demand cut, check otch section with leveling instrument, guarantee that otch section is vertical with steel pipe medial axis.Then according to normal flow process to steel pipe slot rolling, if install mechanical three-way, four-way, then by normal method, tap operation is carried out to steel pipe again.Pipe installing, should according to first filling large footpath, house steward, standpipe, fill principle that is small-bore, that be in charge of afterwards, in installation process, must install continuously in order, dress, segmentation dress can not be jumped, in order to avoid be connected difficulty between the section of appearance with section and affect pipeline overall performance, concrete installation steps are as follows: one is be fixed on suspension and support by steel pipe, and smears oiling agent in end; Two is that the steel pipe another radicle having been smeared oiling agent aligns substantially with first steel pipe medial axis; Three is place air bag 4 in the clip opened (as shown in Figure 3) inner ring, and be enclosed within the end of two steel pipes, then the head of air bag 4, tail are connected, the tapped hole of two metal half-rings of clip is alignd, and clip is sent in the groove of steel pipe, upper bolt tightening nut.Four is inflate air bag 4 according to tube fluid pressure size, and its inflation pressure must be larger than overpressure.Five is carry out system pressure testing, should check whether each assembling set, fixed support etc. are in place before system pressure testing comprehensively.After pressure testing, if occur, pipeline junction has Seepage, can be inflated by the air bag 4 to leakage, guarantees sealing, when inflating without halt system pressure testing to increase clip to the pressure of steel tube end part, simple to operate, and can real-time monitored to inflation after effect.
The present invention's application draws a clear scope extensively, 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: blocking (1), clip (2), bolt (3) and air bag (4);
Described clip (2) is two metal half-rings, and described two metal half-rings connect into a complete annular solid by two described bolts (3), and the neutral position of each described metal half-rings is provided with radial tapped through hole;
Described air bag (4) comprising: air sac (5) and gas bag inflating valve (6); Described air sac (5) is elongate configuration, and its one end is cusp design, and the other end is provided with U-shaped breach, and when described air sac (5) is inflated in the form of a ring, one 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 half-rings inner wall depression, described gas bag inflating valve (6) is relative with the tapped through hole of a metal half-rings of described clip (2), and described blocking (1) is arranged in the tapped through hole of described clip (2) metal half-rings.
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 up of polyurethane tartan, and is provided with canvas filler layer wherein.
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) and described air sac (5) sulfuration are integrated.
4. a kind of gas-filled type pipe joint hoop as claimed in claim 1 or 2, it is characterized in that, install hardware additional between described gas bag inflating valve (6) and described air sac (5), described hardware and described gas bag inflating valve (6), described air sac (5) are sulfided into one respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310397156.3A CN103453247B (en) | 2013-09-04 | 2013-09-04 | Inflating type pipeline connecting clamp hoop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310397156.3A CN103453247B (en) | 2013-09-04 | 2013-09-04 | Inflating type pipeline connecting clamp hoop |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103453247A CN103453247A (en) | 2013-12-18 |
| CN103453247B true CN103453247B (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310397156.3A Expired - Fee Related CN103453247B (en) | 2013-09-04 | 2013-09-04 | Inflating type pipeline connecting clamp hoop |
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| CN (1) | CN103453247B (en) |
Families Citing this family (9)
| 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 |
| 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 |
| CN107328857A (en) * | 2017-07-31 | 2017-11-07 | 中广核检测技术有限公司 | Pipeline of nuclear power plant scanner couplant EGR |
| CN110131308B (en) * | 2018-02-09 | 2022-08-19 | 舍弗勒技术股份两合公司 | Plain bearing assembly and method of mounting plain bearing |
| CN110397810B (en) * | 2019-08-06 | 2020-06-12 | 彭泽县天然气有限公司 | Sealing treatment method for oil and gas conveying pipeline joint |
| CN112296030B (en) * | 2020-09-22 | 2022-07-01 | 潍坊嘉腾液压技术有限公司 | Fluid pipeline cleaning device |
Citations (5)
| 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 |
-
2013
- 2013-09-04 CN CN201310397156.3A patent/CN103453247B/en not_active Expired - Fee Related
Patent Citations (5)
| 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 |
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| CN103453247A (en) | 2013-12-18 |
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Granted publication date: 20150527 Termination date: 20180904 |