CN108730656A - It can axial movable high pressure centre connecting flange structure and its application method - Google Patents
It can axial movable high pressure centre connecting flange structure and its application method Download PDFInfo
- Publication number
- CN108730656A CN108730656A CN201810587253.1A CN201810587253A CN108730656A CN 108730656 A CN108730656 A CN 108730656A CN 201810587253 A CN201810587253 A CN 201810587253A CN 108730656 A CN108730656 A CN 108730656A
- Authority
- CN
- China
- Prior art keywords
- extension bar
- end cap
- flange body
- flange
- left extension
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
- F16L23/026—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes by welding
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Joints Allowing Movement (AREA)
Abstract
The present invention relates to one kind can connecting flange structure and its application method among axial movable high pressure, it includes tubular flange body, left end cap, right end cap, left extension bar and right extension bar；Both sides are respectively arranged with left extension bar, right extension bar in the center cavity of flange body, movable sealing contacts between flange body respectively for left extension bar, right extension bar, left extension bar, right extension bar are stretched out from flange body both ends respectively, and there are gaps between left extension bar and right extension bar, the left side of left extension bar, right extension bar right side on limited step is respectively set, it is set with left end cap, right end cap on left extension bar, right extension bar, several attachment screws are fixedly connected with flange body respectively for left end cap, right end cap, and left end cap, right end cap are pressed respectively against left extension bar, on the limited step on right extension bar.Reasonable design, simple in structure, easy for installation, no oil leakage phenomenon；The influence that welding stress installs flange is avoided, reduces or eliminates influence of the hydraulic pressure vibrations to pipeline, and weld pipeline to cause the temperature distortion of Flange Plane.
Description
Technical field
The present invention relates to connecting flange fields, and in particular to one kind can among axial movable high pressure connecting flange structure and
Its application method.
Background technology
General traditional hydraulic connecting spacer flanger, is all made of hard tube stationary-type welded structure form.This flange is welding
The deformation of flange mounting surface is easily caused afterwards and causes seal leakage, while there are welding stresses with flange position for oil pipe, when long
Between the defect for be easy to causeing commissure cracking is used under high pressure conditions.Because temperature distortion is installed also more after the hard tube welding at both ends
Difficulty be easy to cause the leakage at flanged joint position.
Invention content
To solve the above problems, the present invention proposes that one kind can axial movable high pressure centre connecting flange structure and its use
Method, reasonable design is simple in structure, easy for installation, no oil leakage phenomenon；The influence that welding stress installs flange is avoided, is subtracted
Less or influence of the hydraulic pressure vibrations to pipeline is eliminated, and weld pipeline to cause the temperature distortion of Flange Plane；Make processing side
Just, it installs reliable and practical.
Technical scheme of the present invention：
One kind can connecting flange structure among axial movable high pressure, be connected to oil pipe and oil pipe on the pipeline of the right on left hand line,
It includes tubular flange body, left end cap, right end cap, left extension bar and right extension bar；The flange body is resistance to laminate, flange body
Both sides are respectively arranged with left extension bar, right extension bar in center cavity, and movable sealing connects between flange body respectively for left extension bar, right extension bar
It touches, left extension bar, right extension bar are stretched out from flange body both ends respectively, and there are gaps between left extension bar and right extension bar, constitute flange
Free gap, the left side of left extension bar, right extension bar right side on be respectively set limited step, step respectively with flange body both ends
End face, is set with left end cap, right end cap on left extension bar, right extension bar, and left end cap, right end cap were uniformly set by one week respectively
Several attachment screws set are fixedly connected with flange body, and left end cap, right end cap are pressed respectively against left extension bar, the limiting stand on right extension bar
On rank；The through-hole of left extension bar, right extension bar, the through-hole of left extension bar and right extension bar are extended through on the left extension bar, right extension bar
It is connected to by the center cavity of flange body between through-hole；The left extension bar is welded to connect with oil pipe on left hand line, right extension bar with
Oil pipe is welded to connect on the pipeline of the right.
It is designed using resistance to laminate so that flange can be high pressure resistant；It is designed using connecting rod, oil is welded to connect by connecting rod
Pipe, welding pipeline will not cause the temperature distortion of Flange Plane；Movable sealing contacts between left extension bar, right extension bar and flange body,
Two connecting rods axial direction or rotating operation in the center cavity of flange body, while the free gap of flange provides two connecting rods
Running space reduce or eliminate hydraulic pressure to realize influence that welding stress installs flange and shake influence to pipeline；It is left
It is in sealing contact between extension bar, right extension bar and flange body, prevent oil leak.
Above-mentioned technical proposal is improved further and is refined, is set between left extension bar, right extension bar and flange body respectively
Several sealing rings are equipped with, oily leakage is further prevented.
It is a kind of can among axial movable high pressure connecting flange structure application method, it includes the following steps：
（1）Connecting flange assembles：
By left extension bar, right extension bar respectively out of, flange body is inserted at the both ends of flange body center cavity, then by left end cap, right end cap point
It is not sleeved on left extension bar, on right extension bar, tightens attachment screw, be fixedly connected with left end cap, right end cap and flange body.
（2）Left extension bar, right extension bar are welded to connect with the oil pipe on left hand line in hydraulic system, the right pipeline respectively.
In step（2）Described in left extension bar, right extension bar and oil pipe be welded to connect generation welding stress, welding stress make
Under, left extension bar, right extension bar can rotate or stretch, and ensure not influenced by welding stress when welding.
The method have the advantages that reasonable design, simple in structure, easy for installation, no oil leakage phenomenon；Welding stress is avoided to method
The influence of orchid installation reduces or eliminates influence of the hydraulic pressure vibrations to pipeline, and welding pipeline will not cause the heated of Flange Plane
Deformation；Make it is easy to process, installation it is reliable and practical.
Description of the drawings
Fig. 1 be can among axial movable high pressure connecting flange structure front view.
Fig. 2 be can among axial movable high pressure connecting flange structure side view.
Fig. 3 is A-A cross-sectional views in Fig. 2.
01 left end cap of flange body, 02 right end cap, 03 04 right extension bar of left extension bar, 05 free gap 06 in figure.
Specific implementation mode
As shown in Figs. 1-3, one kind can connecting flange structure among axial movable high pressure, be connected on left hand line oil pipe with
Oil pipe on the pipeline of the right, it includes tubular flange body 01, left end cap 02, right end cap 03, left extension bar 04 and right extension bar 05；It is described
Flange body 01 be resistance to laminate, both sides are respectively arranged with left extension bar 04, right extension bar 05, left extension bar in the center cavity of flange body 01
04, movable sealing contacts right extension bar 05 between flange body 01 respectively, and left extension bar 04, right extension bar 05 are respectively from 01 both ends of flange body
It stretches out, and there are gaps between left extension bar 04 and right extension bar 05, the free gap 06 of flange are constituted, on a left side for left extension bar 04
Side, right extension bar 06 right side on be respectively set limited step, step respectively with 01 both ends end face of flange body, in left extension bar
04, left end cap 02, right end cap 03 are set on right extension bar 05, what left end cap 02, right end cap 03 were uniformly arranged by one week respectively
Several attachment screws are fixedly connected with flange body 01, and left end cap 02, right end cap 03 are pressed respectively against left extension bar 04, on right extension bar 05
On limited step；The through-hole of left extension bar 04, right extension bar 05, left extension bar 04 are extended through on the left extension bar 04, right extension bar 05
Through-hole and the through-hole of right extension bar 06 between be connected to by the center cavity of flange body 01；On the left extension bar 04 and left hand line
Oil pipe is welded to connect, and right extension bar 05 is welded to connect with oil pipe on the pipeline of the right；Respectively in left extension bar 04, right extension bar 05 and flange body
It is provided with several sealing rings between 01, further prevents oily leakage.
Its application method, it includes the following steps：
（1）Connecting flange assembles：
By left extension bar 04, right extension bar 05 respectively out of, flange body 01 is inserted at the both ends of flange body 01 center cavity, then by left end cap
02, right end cap 03 is set in left extension bar 04, on right extension bar 05, tightens attachment screw, is fixedly connected with left end cap 02, right end cap
03 with flange body 01.
（2）Left extension bar 04, right extension bar 05 are welded with the oil pipe on left hand line in hydraulic system, the right pipeline respectively and connected
It connects.
In step（2）Described in left extension bar 04, right extension bar 05 and oil pipe be welded to connect generation welding stress, answered in welding
Under force effect, left extension bar 04, right extension bar 05 can rotate or stretch, and ensure not influenced by welding stress when welding.
Due to the finiteness of literal expression, and objectively there is unlimited concrete structure, for the common of the art
For technical staff, without departing from the principle of the present invention, several improvement, retouching or variation can also be made, it can also
Above-mentioned technical characteristic is combined in the right way；These improve retouching, variation or combination, or not improved by invention
Design and technical solution directly apply to other occasions, are regarded as protection scope of the present invention.
Claims (4)
1. one kind can connecting flange structure among axial movable high pressure, be connected to oil pipe on left hand line and oil with the right pipeline
Pipe, it is characterised in that：It includes tubular flange body, left end cap, right end cap, left extension bar and right extension bar；The flange body is
Resistance to laminate, both sides are respectively arranged with left extension bar, right extension bar in the center cavity of flange body, left extension bar, right extension bar respectively with flange body
Between movable sealing contact, left extension bar, right extension bar respectively from flange body both ends stretch out, and between left extension bar and right extension bar there are
Gap constitutes the free gap of flange, the left side of left extension bar, right extension bar right side on be respectively set limited step, step point
Not with flange body both ends end face, left end cap, right end cap, left end cap, right end cap difference are set on left extension bar, right extension bar
Several attachment screws being uniformly arranged by one week are fixedly connected with flange body, and left end cap, right end cap are pressed respectively against left extension bar, the right side
On limited step on extension bar；The through-hole of left extension bar, right extension bar is extended through on the left extension bar, right extension bar, left extension bar
It is connected to by the center cavity of flange body between through-hole and the through-hole of right extension bar；The left extension bar is welded with oil pipe on left hand line
Connection, right extension bar are welded to connect with oil pipe on the pipeline of the right.
2. one kind according to claim 1 can connecting flange structure among axial movable high pressure, it is characterised in that：Respectively
It is provided with several sealing rings between left extension bar, right extension bar and flange body.
3. it is a kind of can among axial movable high pressure connecting flange structure application method, it is characterised in that：It includes following step
Suddenly:
（1）Connecting flange assembles
By left extension bar, right extension bar respectively out of, flange body is inserted at the both ends of flange body center cavity, then by left end cap, right end cap point
It is not sleeved on left extension bar, on right extension bar, tightens attachment screw, be fixedly connected with left end cap, right end cap and flange body；
（2）Left extension bar, right extension bar are welded to connect with the oil pipe on left hand line in hydraulic system, the right pipeline respectively.
4. according to right 3 it is a kind of can among axial movable high pressure connecting flange structure application method, feature exists
In：In step（2）Described in left extension bar, right extension bar and oil pipe be welded to connect generation welding stress, welding stress effect under,
Left extension bar, right extension bar can rotate or stretch, and ensure not influenced by welding stress when welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810587253.1A CN108730656B (en) | 2018-06-08 | 2018-06-08 | Axially movable high-pressure intermediate connecting flange structure and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810587253.1A CN108730656B (en) | 2018-06-08 | 2018-06-08 | Axially movable high-pressure intermediate connecting flange structure and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108730656A true CN108730656A (en) | 2018-11-02 |
| CN108730656B CN108730656B (en) | 2021-05-14 |
Family
ID=63932877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810587253.1A Active CN108730656B (en) | 2018-06-08 | 2018-06-08 | Axially movable high-pressure intermediate connecting flange structure and use method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN108730656B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002250487A (en) * | 2001-02-22 | 2002-09-06 | Isuzu Motors Ltd | Connection structure and connecting method of pipe body |
| CN1701196A (en) * | 2003-07-28 | 2005-11-23 | 金戍根 | Pipe joint device by flange |
| CN201513645U (en) * | 2009-05-13 | 2010-06-23 | 蔡海华 | Flange self-aligning type tube connecting structure |
| CN103032642A (en) * | 2012-12-31 | 2013-04-10 | 太原重工股份有限公司 | High-pressure pipeline and vibration attenuation device thereof |
| CN203641726U (en) * | 2013-12-31 | 2014-06-11 | 新疆现代石油化工股份有限公司 | Loose flange pipe connecting device |
| CN206770832U (en) * | 2017-05-10 | 2017-12-19 | 宁波天生密封件有限公司 | sealing and connecting device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461557A (en) * | 2017-08-11 | 2017-12-12 | 宁波天生密封件有限公司 | sealing and connecting device |
-
2018
- 2018-06-08 CN CN201810587253.1A patent/CN108730656B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002250487A (en) * | 2001-02-22 | 2002-09-06 | Isuzu Motors Ltd | Connection structure and connecting method of pipe body |
| CN1701196A (en) * | 2003-07-28 | 2005-11-23 | 金戍根 | Pipe joint device by flange |
| CN201513645U (en) * | 2009-05-13 | 2010-06-23 | 蔡海华 | Flange self-aligning type tube connecting structure |
| CN103032642A (en) * | 2012-12-31 | 2013-04-10 | 太原重工股份有限公司 | High-pressure pipeline and vibration attenuation device thereof |
| CN203641726U (en) * | 2013-12-31 | 2014-06-11 | 新疆现代石油化工股份有限公司 | Loose flange pipe connecting device |
| CN206770832U (en) * | 2017-05-10 | 2017-12-19 | 宁波天生密封件有限公司 | sealing and connecting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108730656B (en) | 2021-05-14 |
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