CN102261534A - Novel pipeline flexible joint with great deformation capability - Google Patents
Novel pipeline flexible joint with great deformation capability Download PDFInfo
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- CN102261534A CN102261534A CN2011101132076A CN201110113207A CN102261534A CN 102261534 A CN102261534 A CN 102261534A CN 2011101132076 A CN2011101132076 A CN 2011101132076A CN 201110113207 A CN201110113207 A CN 201110113207A CN 102261534 A CN102261534 A CN 102261534A
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Abstract
The invention relates to a novel pipeline flexible joint with great deformation capability. The joint consists of a socket, a faucet, a limit ring, an adjustable joint and a pressing flange; the socket is formed by the connection of a spherical hollow structure and a cylindrical hollow structure; the adjustable joint is of a spherical structure with a cylindrical hollow middle part; one end of a cylindrical pipe body structure is the socket and the other end of the cylindrical pipe body structure is the faucet; the pressing flange is of a spherical shell structure; the pressing flange and one side of the spherical structure of the socket are fixed with a bolt; the outer surface of an adjustable joint sphere is positioned in a semi-spherical space defined by the socket and the pressing flange; the faucet is inserted into the hollow side of the side wall of the adjustable joint cylindrical body; and the faucet is provided with two limit balls, thus the faucet is restricted from sliding for a certain distance at the cylindrical hollow part in the adjustable joint. According to the invention, the joint of the pipeline can provide the connection and seal effects, but also can be used as a deformation compensation device, defects of the existing joint, such as insufficient technical compensation capability or complicated process, are overcome, thus the damage to the pipeline under the action of deformation is avoided to a large extent, and the cost cannot be increased greatly.
Description
Technical field
The invention belongs to the construction connection area of pipework, be specifically related to a kind of novel pipeline flexible joint with large deformation ability, this pipe coupling is applicable to the pipeline of larger caliber, especially municipal water supply and sewerage pipeline, summarize say so a kind of have axially and corner to the stronger joint of deformation-compensated ability.
Background technique
In the construction connection area of heavy caliber mesolow pipework, the connection of pipeline mainly is divided into and is rigidly connected and flexibly connects two big classes, and the typical case's representative that is rigidly connected mainly contains that flange connects, is welded to connect, the connection of material filling type socket joint; Flexibly connect all and can use cushion rubber, cushion rubber plays sealing and the skid resistance effect is provided, and is example with the water pipe, and flexible connection mode mainly contains the flexible joint of T type socket joint, mechanical type flexible joint and flexible joint that some are special.
No matter be long-distance pipe engineering or on the ground with burying, all can have required to be provided with compensation device, with opposing temperature variation, uneven settlement, load action, earthquake wave action, geological deformation effect etc.Jointing with absorption deformability can serve as the compensation device of pipeline, and the indemnifying measure that contrasts other also seems succinctly, technology is simple.Rigid joint is not because there is deformability, so be not suitable as compensation device; Flexible joint just can reach this purpose because of can guarantee sealing again in distortion.
In the spigot and socket type flexible joint of extensive use, its structural type is that socket is inserted in the bellmouth by the extruding cushion rubber, cushion rubber is between socket and bellmouth, cushion rubber is limited in the bellmouth by measures such as restraining grooves, the position can not arbitrarily change, the gap of socket and bellmouth is very little, thus many of the compensation of its distortion to concentrate on pipeline axial, corner to deformability very little (about 2 °).Though such joint technology is simple, the deformable compensation ability still is less than normal.In the higher flexible joint of some less application and price, though compensation ability can be improved, manufacturing process is complicated, and cost is also higher.
Summary of the invention
The object of the present invention is to provide a kind of novel pipeline flexible joint with large deformation ability.
For realizing purpose of the present invention, the technical solution adopted in the present invention is:
A kind of novel pipeline flexible joint with large deformation ability, bellmouth 1, socket 2, limited ring 3, active joint 4 and differential 5 are formed, and wherein: bellmouth 1 is connected to form by the hollow-core construction and the cylindrical hollow-core construction of spheroidal; Active joint 4 is the sphere structure of middle part cylinder hollow, and an end of cylindrical tube structure is a bellmouth 1, and the other end is a socket 2; Differential 5 is a spherical shell shape structure, differential 5 is fixing by bolt 6 with bellmouth 1 spheroidal structure one side, the outer surface of active joint 4 spheroids is positioned at bellmouth 1 and the differential 5 inner hemispherical space of forming, socket 2 inserts active joint 4 cylindrical sidewall hollow part one side, socket 2 is provided with two limited rings 3, make socket 2 at active joint 4 inner cylindrical hollow spaces, can the limit slippage certain distance.
Among the present invention, slot on active joint 4 inwalls, cushion rubber 7 is installed in the groove, seal.
Installation of the present invention is as follows: at first cushion rubber 7 is installed on active joint 4 inner wall grooves, differential 5 is packed into socket 2 earlier, again socket 2 is pushed into 4 li at active joint, two limited rings 3 on the mounting socket 2, again socket 2 and active joint 4 are put into 1 li of spherical bellmouth and thrown cushion rubber 7 into after good and sound, at last differential 5 is dragged along body and got back to bellmouth 1 and cushion rubber 7 relevant positions, and aim at bolt hole, tight a bolt 6.
Novel joint working principle: because socket 2 is in the cylinder hollow space of active joint 4 inside, certain distance can slide, both size gap are less, guaranteed sealing herein owing to be extruded the existence of cushion rubber 7 again, so axial deformation-compensated can the realization herein; Spheroidal bellmouth 1 is with after differential 5 is connected, inside is the hollow capsula interna of a sphere, and spherical active joint 4 is filled in wherein, and size gap is equally very little, differential 5 and bellmouth 1 joint be extruded that cushion rubber 7 is same to guarantee sealing, thereby corner to compensation just obtained realization herein.
Owing to adopted such scheme, the present invention to have following characteristics: (1) adopts the pipeline of this novel flexible joint, its axially and corner to deformability be greatly enhanced.(2) in contrast to general flexible joint, variation has taken place in the mechanism of its distortion, and axial and corner is designed separately to distortion, and restriction no longer is coupled, interacts.(3) do not make when improving joint performance and make mounting process and increase greatly, the material of usefulness all is a widespread usage, and cost still is on the low side, is suitable for market and uses.
The invention effect;
Adopt novel flexible joint of the present invention, deformability is greatly enhanced, and deformation ability mainly improves along with the increase of the active joint diameter of sphere.With the pipeline of 200mm bore, the spherical active joint of 400mm diameter is an example, and axial deformation can reach 130mm, and the corner distortion can reach 25 °, and this is an appreciable deformation effect.
The present invention realize the joint of pipeline can provide connect seal action again can be as deflection compensation device, overcome the too complicated shortcoming of existing joint compensating technique scarce capacity or technology, thereby avoided the destruction of pipeline under metamorphosis to a greater degree, unlikely again cost too improves.
Description of drawings
Fig. 1 is a perspective structure schematic representation of the present invention.
Number in the figure: 1 is bellmouth, and 2 is socket, and 3 is limited ring, and 4 is active joint, and 5 is differential, and 6 is bolt, and 7 is cushion rubber.
Embodiment
The present invention is further illustrated below in conjunction with shown in the accompanying drawing.
Fig. 1 shows structure of the present invention, as seen from Figure 1, a kind of novel pipeline flexible joint with large deformation ability of the present invention comprises spheroidal flared type bellmouth 1, the socket 2 consistent with body, limited ring 3, the spherical active joint 4 that centered cylinder is hollow, the differential 5 of spherical shell shape, the bolt 6 that connects differential and bellmouth, O-ring seal 7.
Bellmouth 1 is consistent with socket 2 and differential 5 materials and body, active joint 4 materials of hollow sphere are hard surface lubricious material (as cast iron), limited ring 3 can be metallic material and makes as chromium ring commonly used, only need tiltedly partial application on annulus, cushion rubber 7 materials are natural rubber or styrene-butadiene synthetic rubber.
Below just use the novel joint of this kind further to illustrate detail of the present invention as example with the ductile iron pipe of the 100mm bore in the municipal water supply pipe-line system.
The producer's enlarging bellmouth form that the ductile iron pipe of every DN200mm is traditional that at first needs to produce this kind tubing do as the change of the form of hemisphere flared type bellmouth 1 of the present invention (the bellmouth inner surface diameter is 402 ~ 403mm), the internal diameter of spherical shell shape differential 5 is consistent with bellmouth, socket 2 place should carve the installation of restraining groove for limited ring on the relevant position, active joint 4 materials of hollow sphere of producing also adopt spheroidal graphite cast iron, smooth surface, its outer surface diameter is 400mm, the diameter of cylindric hollow parts is that 201 ~ 202mm(is more bigger than body bore), rubber ring adopts the cushion rubber of general flexible joint, diameter should be smaller, so that be sealed by extrusion after installing.
According to the installation procedure in the summary of the invention this joint is installed, novel joint has just been finished.According to above sized data, the axial deformation ability that obtains this novel joint reaches 140mm, corner to deformability reach 25 °.Such compensation ability is very considerable, and technology is simple again, has greater advantage than the flexible joint of other kinds.
The spherical active joint 4 and the diameter and the on-fixed of the bellmouth 1 of spherical flared type, can adjust size according to factors such as current demand, body bore, outward appearance and external environment requirements, just can correspondingly obtain in various degree axially with corner to being out of shape and compensation ability.
The above-mentioned description to embodiment is can understand and apply the invention for ease of those skilled in the art.The person skilled in the art obviously can easily make various modifications to these embodiments, and needn't pass through performing creative labour being applied among other embodiments in the General Principle of this explanation.Therefore, the invention is not restricted to the embodiment here, those skilled in the art should be within protection scope of the present invention for improvement and modification that the present invention makes according to announcement of the present invention.
Claims (2)
1. novel pipeline flexible joint with large deformation ability, be made up of bellmouth (1), socket (2), limited ring (3), active joint (4) and differential (5), it is characterized in that: bellmouth (1) is connected to form by the hollow-core construction and the cylindrical hollow-core construction of spheroidal; Active joint (4) is the sphere structure of middle part cylinder hollow, and an end of cylindrical tube structure is bellmouth (1), and the other end is socket (2); Differential (5) is a spherical shell shape structure, differential (5) is fixing by bolt (6) with bellmouth (1) spheroidal structure one side, the outer surface of active joint (4) ball is positioned at bellmouth (1) and the inner hemispherical space of forming of differential (5), socket (2) inserts active joint (4) cylindrical sidewall hollow part one side, socket (2) is provided with two spacing balls (3), make socket (2) at active joint (4) inner cylindrical hollow space, limit slippage certain distance.
2. the novel pipeline flexible joint with large deformation ability according to claim 1 is characterized in that slotting on active joint (4) inwall of hollow sphere, and cushion rubber (7) is installed in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101132076A CN102261534A (en) | 2011-05-04 | 2011-05-04 | Novel pipeline flexible joint with great deformation capability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101132076A CN102261534A (en) | 2011-05-04 | 2011-05-04 | Novel pipeline flexible joint with great deformation capability |
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| Publication Number | Publication Date |
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| CN102261534A true CN102261534A (en) | 2011-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101132076A Pending CN102261534A (en) | 2011-05-04 | 2011-05-04 | Novel pipeline flexible joint with great deformation capability |
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| CN (1) | CN102261534A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015024271A1 (en) * | 2013-08-19 | 2015-02-26 | 甘肃华瑞农业股份有限公司 | Sealing apparatus for central pivot of circular sprinkling machine |
| CN110410592A (en) * | 2019-07-23 | 2019-11-05 | 刘旭 | A kind of spheroidal graphite pipe fitting |
| CN112257269A (en) * | 2020-10-23 | 2021-01-22 | 中国船舶科学研究中心 | Method for determining relative slippage form between layers of marine flexible pipeline |
| CN113236888A (en) * | 2021-05-25 | 2021-08-10 | 中国石油大学(北京) | Flexible connecting device |
| CN115183070A (en) * | 2022-06-29 | 2022-10-14 | 中国舰船研究设计中心 | Pressure balance type ball sleeve type deformation compensation device and system for sea pipeline |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5192094A (en) * | 1991-02-08 | 1993-03-09 | Yano Giken Co., Ltd. | Expansion pipe joint |
| CN1145752C (en) * | 1999-03-03 | 2004-04-14 | 大成机工株式会社 | Extensible flexible pipe joint |
| WO2009121512A1 (en) * | 2008-04-02 | 2009-10-08 | E.Hawle Armaturenwerke Gmbh | Pipe coupling |
-
2011
- 2011-05-04 CN CN2011101132076A patent/CN102261534A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5192094A (en) * | 1991-02-08 | 1993-03-09 | Yano Giken Co., Ltd. | Expansion pipe joint |
| CN1145752C (en) * | 1999-03-03 | 2004-04-14 | 大成机工株式会社 | Extensible flexible pipe joint |
| WO2009121512A1 (en) * | 2008-04-02 | 2009-10-08 | E.Hawle Armaturenwerke Gmbh | Pipe coupling |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015024271A1 (en) * | 2013-08-19 | 2015-02-26 | 甘肃华瑞农业股份有限公司 | Sealing apparatus for central pivot of circular sprinkling machine |
| CN110410592A (en) * | 2019-07-23 | 2019-11-05 | 刘旭 | A kind of spheroidal graphite pipe fitting |
| CN112257269A (en) * | 2020-10-23 | 2021-01-22 | 中国船舶科学研究中心 | Method for determining relative slippage form between layers of marine flexible pipeline |
| CN112257269B (en) * | 2020-10-23 | 2023-05-12 | 中国船舶科学研究中心 | Method for determining relative slippage morphology between ocean flexible pipeline layers |
| CN113236888A (en) * | 2021-05-25 | 2021-08-10 | 中国石油大学(北京) | Flexible connecting device |
| CN115183070A (en) * | 2022-06-29 | 2022-10-14 | 中国舰船研究设计中心 | Pressure balance type ball sleeve type deformation compensation device and system for sea pipeline |
| CN115183070B (en) * | 2022-06-29 | 2024-04-26 | 中国舰船研究设计中心 | Pressure balance type ball sleeve type deformation compensation device and system for sea pipeline |
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Application publication date: 20111130 |