CN211501978U - B2F double-flange limit compensation expansion joint - Google Patents
B2F double-flange limit compensation expansion joint Download PDFInfo
- Publication number
- CN211501978U CN211501978U CN201922309549.XU CN201922309549U CN211501978U CN 211501978 U CN211501978 U CN 211501978U CN 201922309549 U CN201922309549 U CN 201922309549U CN 211501978 U CN211501978 U CN 211501978U
- Authority
- CN
- China
- Prior art keywords
- flange
- double
- expansion joint
- honeycomb duct
- connecting pipe
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 238000010030 laminating Methods 0.000 claims abstract description 3
- 238000003466 welding Methods 0.000 claims 2
- 238000006073 displacement reaction Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 210000004907 gland Anatomy 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Landscapes
- Joints Allowing Movement (AREA)
Abstract
The application discloses spacing compensation expansion joint of B2F double flange, including connecting in the first flange of medium inflow end body, first flange internal surface seal welds in honeycomb duct one end surface, honeycomb duct middle part surface welds in second flange internal surface, the honeycomb duct deviates from inside a connecting pipe is located to the one end coaxial housing of first flange, the connecting pipe deviates from the one end external surface seal welds in the internal surface of third flange, the connecting pipe deviates from the one end of third flange and the common centre gripping sealing washer of a closing cap, the sealing washer laminating support hold in the honeycomb duct surface, the third flange with a plurality of double-screw bolts that evenly lay through the hoop between the closing cap are fixed. The utility model discloses prevent that the pipeline from leading to the leakage or the damage that the compensation connects because of excessive displacement for absorb axial displacement and bear the pipe connection of pressure thrust in the permission displacement range.
Description
Technical Field
The application relates to an expansion joint, in particular to a B2F double-flange limit compensation expansion joint.
Background
An expansion joint refers to a flexible element that effectively functions to compensate for axial deformation. For example, the expansion joint welded on the shell of the fixed tube-plate heat exchanger has large axial flexibility and easy deformation, can compensate the thermal expansion difference generated by the tube and the shell due to different wall temperatures, and reduces the axial load of the tube and the shell, thereby reducing the temperature difference stress of the tube, the tube plate and the shell and avoiding causing strength damage, instability damage and tube pull-out damage.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a spacing compensation expansion joint of B2F double flange.
In order to achieve the above object, the present invention provides the following technical solutions.
The embodiment of the application discloses B2F spacing compensation expansion joint of two flanges, including connecting in the first flange of medium inflow end body, first flange internal surface seal welds in honeycomb duct one end surface, honeycomb duct middle part surface welds in second flange internal surface, the honeycomb duct deviates from inside a connecting pipe is located to the one end coaxial coupling of first flange, the connecting pipe deviates from the one end external surface seal welds in the internal surface of third flange, the connecting pipe deviates from the common centre gripping sealing washer of one end and a closing cap of third flange, the sealing washer laminating support hold in the honeycomb duct surface, the third flange with a plurality of double-screw bolts that evenly lay through the hoop between the closing cap are fixed.
Preferably, in the above B2F dual-flange limit compensation expansion joint, the sealing ring is a conical surface protruding outward, and the connecting pipe is formed with a first inclined surface attached to and abutting against the conical surface.
Preferably, in the above B2F dual-flange limit compensating expansion joint, the sealing cover is formed with a second inclined surface attached to and abutting against the conical surface.
Preferably, in the above B2F dual-flange limit compensation expansion joint, an outer surface of one side of the connecting pipe close to the sealing ring is engaged with and abutted against an inner surface of the cover.
Preferably, in the above B2F double-flange limit compensation expansion joint, the second flange is axially provided with a bolt, one end of the bolt abuts against the stud, the other end of the bolt is provided with a first nut, and a space is formed between the first nut and the second flange.
Preferably, in the above B2F double-flange limit compensation expansion joint, the stud is provided with a second nut at an end of the cover facing away from the third flange.
Preferably, in the above B2F dual-flange limit compensation expansion joint, the second flange is provided with a limit indicator.
Compared with the prior art, the utility model has the advantages of: the pipeline connection device is composed of a loose compensation joint and a limiting telescopic pipe component, prevents leakage or damage of the compensation joint caused by excessive displacement of a pipeline, and is used for pipeline connection for absorbing axial displacement and bearing pressure thrust within an allowable displacement range.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a half-sectional view of a B2F double-flange limit compensation expansion joint according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described in detail below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, a B2F double-flange limiting compensation expansion joint 100 includes a first flange 101 connected to a medium inflow end pipe body, an inner surface of the first flange 101 is welded to an outer surface of one end of a flow guide pipe 102 in a sealing manner, an outer surface of a middle portion of the flow guide pipe 102 is welded to an inner surface of a second flange 103, one end of the flow guide pipe 102, which is away from the first flange 101, is coaxially sleeved inside a connection pipe 104, an outer surface of one end of the connection pipe 104, which is away from the flow guide pipe 102, is welded to an inner surface of a third flange 105 in a sealing manner, one end of the connection pipe 104, which is away from the third flange 105, and a sealing cap 106 jointly clamp a sealing ring 107, the sealing ring 107 is attached to and supported on an outer. The sealing ring 107 is a conical surface protruding outward, and the connecting tube 104 is formed with a first inclined surface 109 attached to and abutting against the conical surface. The cover 106 is formed with a second inclined surface 110 which is attached to and abutted against the conical surface. The outer surface of the side of the connection pipe 104 close to the sealing ring 107 is attached to and pressed against the inner surface of the cover 106. The second flange 103 is provided with a bolt 111 along the axial direction, one end of the bolt 111 abuts against the stud 108, the other end of the bolt 111 is provided with a first nut 112, and a spacing space 113 is formed between the first nut 112 and the second flange 103. The stud 108 is provided with a second nut 114 at the end of the cover 106 facing away from the third flange 105. The second flange 103 is provided with a limit indicator 115.
In the technical scheme, the medium pipe body is connected with the left medium pipe body and the right medium pipe body through the matching of the gland, the sealing ring and the flow guide pipe and the first flange and the third flange, so that the axial displacement is absorbed. During installation, as the sealing ring is tapered, when the second nut is continuously screwed, the sealing ring is extruded by the connecting pipe and the gland and can only be extruded inwards, and then the sealing ring is tightly attached to the outer surface of the flow guide pipe, so that sealing and firm connection are realized. The pipeline connection device is composed of a loose compensation joint and a limiting telescopic pipe component, prevents leakage or damage of the compensation joint caused by excessive displacement of a pipeline, and is used for pipeline connection for absorbing axial displacement and bearing pressure thrust within an allowable displacement range.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing is directed to embodiments of the present application and it is noted that numerous modifications and adaptations may be made by those skilled in the art without departing from the principles of the present application and are intended to be within the scope of the present application.
Claims (7)
1. The utility model provides a B2F spacing compensation expansion joint of two flanges which characterized in that, is including connecting in the first flange of medium inflow end body, first flange internal surface seal welding is in honeycomb duct one end surface, honeycomb duct middle part surface welds in second flange internal surface, the honeycomb duct deviates from inside a connecting pipe is located to the one end coaxial bushing of first flange, the connecting pipe deviates from the one end surface seal welding of honeycomb duct is in the internal surface of third flange, the connecting pipe deviates from a sealing washer is held with a common centre gripping of closing cap to the one end of third flange, the sealing washer laminating support in the honeycomb duct surface, the third flange with a plurality of double-screw bolts that evenly lay through the hoop are fixed between the closing cap.
2. The B2F double-flange limit compensation expansion joint of claim 1, wherein the sealing ring is an outwardly protruding conical surface, and the connection tube is formed with a first inclined surface that fits against and abuts against the conical surface.
3. The B2F double-flange limit compensating expansion joint of claim 2, wherein the cover is formed with a second inclined surface that abuts and abuts against the tapered surface.
4. The B2F double-flange limit compensating expansion joint of claim 1, wherein the outer surface of the connecting tube near one side of the sealing ring is engaged with and pressed against the inner surface of the cover.
5. The B2F double-flange limit compensation expansion joint of claim 1, wherein the second flange is axially provided with a bolt, one end of the bolt abuts against the stud, the other end of the bolt is provided with a first nut, and a space is formed between the first nut and the second flange.
6. The B2F double-flange limit compensating expansion joint of claim 1, wherein the stud is provided with a second nut at an end of the cover facing away from the third flange.
7. The B2F double-flange limit compensating expansion joint of claim 1, wherein a limit indicator is provided on the second flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922309549.XU CN211501978U (en) | 2019-12-20 | 2019-12-20 | B2F double-flange limit compensation expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922309549.XU CN211501978U (en) | 2019-12-20 | 2019-12-20 | B2F double-flange limit compensation expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211501978U true CN211501978U (en) | 2020-09-15 |
Family
ID=72417780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922309549.XU Active CN211501978U (en) | 2019-12-20 | 2019-12-20 | B2F double-flange limit compensation expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211501978U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112161125A (en) * | 2020-09-18 | 2021-01-01 | 中国航发四川燃气涡轮研究院 | Axial dislocation compensation device for interface of asymmetric pipeline and use method thereof |
| CN112197089A (en) * | 2020-09-16 | 2021-01-08 | 襄阳市胜合燃力设备有限公司 | Adjustable compensation device |
| CN114360750A (en) * | 2021-12-30 | 2022-04-15 | 中国船舶重工集团公司第七一九研究所 | Reloading cover |
| CN114811230A (en) * | 2022-05-27 | 2022-07-29 | 三一石油智能装备有限公司 | Expansion Rotary Joints and Manifolds |
| CN115539725A (en) * | 2022-10-24 | 2022-12-30 | 兴化市通科机械有限公司 | End-constrained rated-pressure sealed pipe joint |
-
2019
- 2019-12-20 CN CN201922309549.XU patent/CN211501978U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112197089A (en) * | 2020-09-16 | 2021-01-08 | 襄阳市胜合燃力设备有限公司 | Adjustable compensation device |
| CN112161125A (en) * | 2020-09-18 | 2021-01-01 | 中国航发四川燃气涡轮研究院 | Axial dislocation compensation device for interface of asymmetric pipeline and use method thereof |
| CN114360750A (en) * | 2021-12-30 | 2022-04-15 | 中国船舶重工集团公司第七一九研究所 | Reloading cover |
| CN114811230A (en) * | 2022-05-27 | 2022-07-29 | 三一石油智能装备有限公司 | Expansion Rotary Joints and Manifolds |
| CN115539725A (en) * | 2022-10-24 | 2022-12-30 | 兴化市通科机械有限公司 | End-constrained rated-pressure sealed pipe joint |
| CN115539725B (en) * | 2022-10-24 | 2024-01-23 | 兴化市通科机械有限公司 | Rated pressure seal pipe joint with constrained end |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211501978U (en) | B2F double-flange limit compensation expansion joint | |
| CN211501979U (en) | BY gland loose sleeve limiting compensation expansion joint | |
| CN213809447U (en) | Pipeline compensator | |
| TWM623223U (en) | connection device | |
| CN219388992U (en) | Ring clamp sealing type corrugated compensation connection metal pipe fitting | |
| CN211502006U (en) | Stuffing box type expansion joint | |
| CN112344121A (en) | a pipeline compensator | |
| CN207261905U (en) | A kind of expansion joint | |
| CN205350687U (en) | Expansion joint | |
| CN212273388U (en) | A kind of compensator made by adding glue and pressing after welding | |
| CN212338549U (en) | Internal and external pressure balance type corrugated compensator | |
| CN213629424U (en) | Combined plane hinge type compensator | |
| CN214579641U (en) | Sealing assembly for rubber expansion joint | |
| CN211925123U (en) | Compound free type FEP coating composite expansion joint | |
| CN212338548U (en) | Compound hinge straight pipe pressure balance type corrugated compensator | |
| CN107575688A (en) | A kind of expansion joint | |
| CN207394152U (en) | A kind of bellows | |
| CN208221879U (en) | Tetrafluoro corrugated expansion joint | |
| CN223535149U (en) | Bottom expansion joint structure of muffle tank in furnace | |
| CN211040088U (en) | Desulfurization, denitration bellows structure | |
| CN207394212U (en) | A kind of bellows component with slip-preventing structure | |
| CN211040087U (en) | Rubber low-temperature soft connection structure | |
| CN218063901U (en) | Expansion joint for nylon polymerization kettle pipe bundle | |
| CN212840049U (en) | Pipe gallery cold and hot combined supply pipeline sealing device | |
| CN219198506U (en) | Compensation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |