CN110939816A - Corrugated expansion joint special for ground belt - Google Patents
Corrugated expansion joint special for ground belt Download PDFInfo
- Publication number
- CN110939816A CN110939816A CN201911388494.4A CN201911388494A CN110939816A CN 110939816 A CN110939816 A CN 110939816A CN 201911388494 A CN201911388494 A CN 201911388494A CN 110939816 A CN110939816 A CN 110939816A
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- Prior art keywords
- corrugated
- bellows
- corrugated pipe
- expansion joint
- assembly
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- 230000007704 transition Effects 0.000 claims abstract description 14
- 238000006073 displacement reaction Methods 0.000 abstract description 16
- 230000001681 protective effect Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000698 schizophrenic effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Classifications
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- 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
- F16L51/00—Expansion-compensation arrangements for pipe-lines
- F16L51/02—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube
- F16L51/028—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube with the expansion or contraction of each corrugation being limited
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- 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
- F16L51/00—Expansion-compensation arrangements for pipe-lines
- F16L51/02—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube
- F16L51/03—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube comprising two or more bellows
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
Abstract
The invention relates to the technical field of pipeline expansion, in particular to a special corrugated expansion joint for a fracturing zone, which comprises a corrugated pipe assembly and end flanges arranged at the left end and the right end of the corrugated pipe assembly, wherein the end flanges are connected with the corrugated pipe assembly sequentially through an end connecting pipe and a first transition connecting pipe; bellows subassembly includes bellows in the middle of a plurality of and locates the tip bellows at middle bellows left and right sides both ends, takes over in proper order end to end connection through middle between the bellows in the middle of a plurality of, and the tip bellows is taken over through the second transition and is connected with middle bellows. According to the corrugated expansion joint, the hinge plate assembly, the proportional connecting rod assembly, the pull rod and the like are arranged on the outer side wall of the corrugated expansion joint, so that the corrugated pipe is connected into a whole, the expansion joint can compensate the transverse displacement and the angular displacement of a bent pipeline, the axial displacement can be compensated, and meanwhile, the corrugated pipe is prevented from being pulled off, and the structural safety of the corrugated expansion joint is ensured.
Description
Technical Field
The invention relates to the technical field of pipeline expansion, in particular to a corrugated expansion joint special for a fracturing zone.
Background
The geological structure of China is complex, and the geological structure is often in a fissure zone. Pressure pipes are also sometimes required to traverse a fracture zone. The ground fissure movement is mainly vertical dislocation, and a horizontal movement component exists at the same time. The steel pipe passes through the ground fissure zone, the axial stress of the pipeline is dominant along with the increase of the ground fissure movement, the bending stress is relatively small, and the pipeline can be subjected to the tensile failure phenomenon. Thus, seismic protection must be enhanced for this section of pipe.
In the prior art, a small pull rod transverse corrugated expansion joint is adopted for construction, so that not only can the transverse displacement and the angular displacement of a bent pipeline be compensated, but also the axial displacement can be compensated, but the small pull rod cannot bear the internal pressure thrust.
In addition, the patent of the prior invention, application No. 201610540242.9, is named as a universal direct-buried hinge type corrugated expansion joint, which comprises an end pipe, a flow guide pipe and a main corrugated pipe of a main pipeline, wherein a protective sleeve component is arranged outside the main corrugated pipe, and the flow guide pipe, the main corrugated pipe and the protective sleeve component form an expansion joint module; the protective sleeve component comprises a corrugated pipe and an inner protective sleeve and an outer protective sleeve which are embedded with each other, so that the component can be bent in any direction; the middle of the guide pipe is provided with a guide pipe assembly which comprises a plurality of inner guide pipes and outer guide pipes which are embedded with each other, so that the inner guide pipes and the outer guide pipes can be bent in any direction; the structure is complex and safe and inconvenient.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a corrugated expansion joint special for a ground belt.
In order to achieve the purpose, the invention adopts the following technical scheme: a corrugated expansion joint special for a fracturing zone comprises a corrugated pipe assembly and end flanges arranged at the left end and the right end of the corrugated pipe assembly, wherein the end flanges are connected with the corrugated pipe assembly sequentially through an end connecting pipe and a first transition connecting pipe;
bellows subassembly includes bellows in the middle of a plurality of and locates the tip bellows at middle bellows left and right sides both ends, a plurality of take over in proper order end to end connection through the centre between the middle bellows, the tip bellows is taken over through the second transition and is connected with middle bellows.
Preferably, the hinge plate assembly comprises a pin shaft, an upper hinge plate, a universal ring and a lower hinge plate, wherein the upper hinge plate, the universal ring and the lower hinge plate are sleeved on the pin shaft, the universal ring is arranged between the upper hinge plate and the lower hinge plate, a gasket is arranged on the lower side of the lower hinge plate, and the upper hinge plate and the lower hinge plate are both connected with a saddle plate on the corrugated pipe assembly.
Preferably, a proportion connecting rod assembly is arranged on the outer side wall of the corrugated pipe assembly, and the left end and the right end of the proportion connecting rod assembly are connected with saddle plates on the corrugated pipe assembly.
Preferably, the outer side wall of the corrugated pipe assembly is further provided with a pull rod, and the left end and the right end of the pull rod are connected with a saddle plate on the corrugated pipe assembly through nuts.
Preferably, be equipped with a plurality of otic placode, a plurality of on the pull rod the otic placode all is connected with bellows subassembly's lateral wall, and a plurality of the even interval of otic placode sets up.
Preferably, an intermediate backing ring is arranged at the joint of the end connecting pipe and the first transition connecting pipe.
Preferably, the end connecting pipe is sleeved with a middle ring flange, and the middle ring flange is connected with the outer side wall of the corrugated pipe assembly through a connecting plate.
The invention has the following beneficial effects: the invention is characterized in that: the utility model provides a special ripple telescopic joint in zone splits, sets up hinge plate subassembly, proportion link assembly and pull rod etc. through on the lateral wall at ripple telescopic joint, connects the bellows as a whole, guarantees this telescopic joint and removes the lateral displacement and the angle displacement that can compensate crooked pipeline, guarantees when also can compensate axial displacement that the bellows is not pulled off to guarantee its structural security.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a sectional view taken along line a-a in fig. 1.
FIG. 3 is an enlarged view of part B of the present invention.
In the figure: the device comprises an end flange 1, an end connecting pipe 2, a first transition connecting pipe 3, a middle corrugated pipe 4, an end corrugated pipe 5, a middle connecting pipe 6, a second transition connecting pipe 7, a pin shaft 8, an upper hinge plate 9, a universal ring 10, a lower hinge plate 11, a saddle plate 13, a proportional connecting rod assembly 14, a pull rod 15, a nut 16, an ear plate 17, a middle backing ring 18, a middle ring flange 19 and a connecting plate 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a corrugated expansion joint special for a fracturing zone comprises a corrugated pipe assembly and end flanges 1 arranged at the left end and the right end of the corrugated pipe assembly, wherein the end flanges 1 are connected with the corrugated pipe assembly sequentially through an end connecting pipe 2 and a first transition connecting pipe 3, and the corrugated pipe assembly is connected with the end connecting pipe 2 through a hinge plate assembly;
bellows subassembly includes bellows 4 in the middle of a plurality of and locates the tip bellows 5 at middle bellows 4 left and right sides both ends, a plurality of take over 6 end to end connection in proper order through middle between the middle bellows 4, tip bellows 5 is taken over 7 through the second transition and is connected with middle bellows 4.
The corrugated pipe assembly comprises a corrugated pipe assembly and a hinge plate assembly, wherein the hinge plate assembly comprises a pin shaft 8, an upper hinge plate 9 sleeved on the pin shaft 8, a universal ring 10 and a lower hinge plate 11, the universal ring 10 is arranged between the upper hinge plate 9 and the lower hinge plate 11, a gasket 12 is arranged on the lower side of the lower hinge plate 11, and the upper hinge plate 9 and the lower hinge plate 11 are both connected with a saddle plate 13 on the corrugated pipe assembly.
In the embodiment, the corrugated pipe assembly is connected by a plurality of middle corrugated pipes 4 and end corrugated pipes 5, and is convenient to install and meets the actual use requirement; meanwhile, the pin shaft 8, the upper hinge plate 9, the universal ring 10 and the lower hinge plate 11 of the hinge plate component and the saddle plate 13 on the corrugated pipe component are adopted to act together, so that the corrugated pipe component and the end flanges 1 at two ends are connected into a whole, the connection is reliable and stable, the transverse displacement and the angular displacement of a bent pipeline can be compensated by the telescopic joint, the axial displacement can be compensated, meanwhile, the corrugated pipe is prevented from being pulled off, and the structural safety of the corrugated pipe is ensured.
Specifically, a proportional connecting rod assembly 14 is arranged on the outer side wall of the corrugated pipe assembly, and the left end and the right end of the proportional connecting rod assembly 14 are connected with saddle plates 13 on the corrugated pipe assembly.
In the embodiment, when the bellows assembly compensates for the axial displacement, the proportional connecting rod assembly 14 ensures that the bellows is not pulled off, thereby further improving the stability and reliability of the bellows assembly.
Specifically, the outer side wall of the corrugated pipe assembly is further provided with a pull rod 15, and the left end and the right end of the pull rod 15 are connected with a saddle plate 13 on the corrugated pipe assembly through nuts 16.
Wherein, be equipped with a plurality of otic placode 17, a plurality of on the pull rod 15 otic placode 17 all is connected with the lateral wall of bellows subassembly, and a plurality of the even interval of otic placode 17 sets up.
In the embodiment, the pull rod 15, the proportional connecting rod assembly 14 and the hinge plate assembly are adopted to act together, so that the corrugated pipe is connected into a whole, and the corrugated pipe is prevented from being pulled off.
Specifically, an intermediate backing ring 18 is arranged at the joint of the end connection pipe 2 and the first transition connection pipe 3.
In this embodiment, the intermediate grommet 18 is used to further improve the reliability and sealing performance of the connection between the end adapter 2 and the first transition adapter 3.
Specifically, the end connection pipe 2 is sleeved with a middle ring flange 19, and the middle ring flange 19 is connected with the outer side wall of the bellows assembly through a connecting plate 20.
In this embodiment, the middle ring flange 19 and the connecting plate 20 act together to connect the end connection pipe 2 and the bellows assembly into a whole, so as to prevent the bellows from being pulled off.
In addition, it should be noted that the proportional connecting rod assembly, the end flange and the like in the present embodiment are not substantially different from the prior art, and therefore, the structure and the operation principle thereof are not explained in detail herein.
To sum up, this special ripple telescopic joint of schizophrenic area through set up hinge plate subassembly, proportion link assembly, pull rod etc. on the lateral wall of ripple telescopic joint, connects the bellows into a whole, guarantees this telescopic joint except can compensate the lateral displacement and the angle displacement of crooked pipeline, guarantees when also can compensate axial displacement that the bellows is not pulled off to guarantee its structural security.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The corrugated expansion joint special for the ground fault zone comprises a corrugated pipe assembly and end flanges (1) arranged at the left end and the right end of the corrugated pipe assembly, and is characterized in that the end flanges (1) are connected with the corrugated pipe assembly sequentially through an end connecting pipe (2) and a first transition connecting pipe (3), and the corrugated pipe assembly is connected with the end connecting pipe (2) through a hinge plate assembly;
bellows subassembly includes bellows (4) in the middle of a plurality of and locates tip bellows (5), a plurality of at both ends about middle bellows (4) take over (6) end to end connection in proper order through the centre between middle bellows (4), tip bellows (5) are taken over through the second transition and are connected with middle bellows (4).
2. The corrugated expansion joint special for the floor crack belt according to claim 1, wherein the hinge plate component comprises a pin shaft (8), an upper hinge plate (9) sleeved on the pin shaft (8), a universal ring (10) and a lower hinge plate (11), the universal ring (10) is arranged between the upper hinge plate (9) and the lower hinge plate (11), a gasket (12) is arranged on the lower side of the lower hinge plate (11), and the upper hinge plate (9) and the lower hinge plate (11) are both connected with a saddle plate (13) on the corrugated pipe component.
3. The corrugated expansion joint special for the ground fault belt as claimed in claim 1, wherein a proportional connecting rod assembly (14) is arranged on the outer side wall of the corrugated pipe assembly, and the left end and the right end of the proportional connecting rod assembly (14) are connected with saddle plates (13) on the corrugated pipe assembly.
4. The corrugated expansion joint special for the ground fault belt as claimed in claim 3, wherein a pull rod (15) is further arranged on the outer side wall of the corrugated pipe assembly, and the left end and the right end of the pull rod (15) are connected with a saddle plate (13) on the corrugated pipe assembly through nuts (16).
5. The corrugated expansion joint special for the ground fault zone as claimed in claim 1, wherein a plurality of ear plates (17) are arranged on the pull rod (15), the plurality of ear plates (17) are all connected with the outer side wall of the corrugated pipe assembly, and the plurality of ear plates (17) are uniformly arranged at intervals.
6. The corrugated expansion joint special for the ground belt according to claim 1, wherein a middle backing ring (18) is arranged at the joint of the end connecting pipe (2) and the first transition connecting pipe (3).
7. The corrugated expansion joint special for the ground fault belt as claimed in claim 1, wherein an intermediate ring flange (19) is sleeved on the end connection pipe (2), and the intermediate ring flange (19) is connected with the outer side wall of the corrugated pipe assembly through a connection plate (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911388494.4A CN110939816A (en) | 2019-12-30 | 2019-12-30 | Corrugated expansion joint special for ground belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911388494.4A CN110939816A (en) | 2019-12-30 | 2019-12-30 | Corrugated expansion joint special for ground belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110939816A true CN110939816A (en) | 2020-03-31 |
Family
ID=69912312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911388494.4A Pending CN110939816A (en) | 2019-12-30 | 2019-12-30 | Corrugated expansion joint special for ground belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110939816A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB839594A (en) * | 1958-02-12 | 1960-06-29 | Babcock & Wilcox Ltd | Improvements in or relating to metal tubular bellows units for insertion in pipelines or ducts |
| CN204358325U (en) * | 2014-12-29 | 2015-05-27 | 北京航天凌云波纹管有限公司 | A kind of universal straight pipe pressure-equalizing compensator |
| CN204358327U (en) * | 2014-12-29 | 2015-05-27 | 北京航天凌云波纹管有限公司 | A kind of without thrust bend pipe pressure balancing formula FlexbleJoint |
| CN106151759A (en) * | 2016-08-22 | 2016-11-23 | 南京晨光东螺波纹管有限公司 | External pressure lateral type expansion joint |
| CN207378366U (en) * | 2017-10-24 | 2018-05-18 | 北京市航天兴华波纹管制造有限公司 | A kind of special FlexbleJoint of piping lane pipeline |
| CN211259997U (en) * | 2019-12-30 | 2020-08-14 | 江苏丰禾机械制造股份有限公司 | Corrugated expansion joint special for ground belt |
-
2019
- 2019-12-30 CN CN201911388494.4A patent/CN110939816A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB839594A (en) * | 1958-02-12 | 1960-06-29 | Babcock & Wilcox Ltd | Improvements in or relating to metal tubular bellows units for insertion in pipelines or ducts |
| CN204358325U (en) * | 2014-12-29 | 2015-05-27 | 北京航天凌云波纹管有限公司 | A kind of universal straight pipe pressure-equalizing compensator |
| CN204358327U (en) * | 2014-12-29 | 2015-05-27 | 北京航天凌云波纹管有限公司 | A kind of without thrust bend pipe pressure balancing formula FlexbleJoint |
| CN106151759A (en) * | 2016-08-22 | 2016-11-23 | 南京晨光东螺波纹管有限公司 | External pressure lateral type expansion joint |
| CN207378366U (en) * | 2017-10-24 | 2018-05-18 | 北京市航天兴华波纹管制造有限公司 | A kind of special FlexbleJoint of piping lane pipeline |
| CN211259997U (en) * | 2019-12-30 | 2020-08-14 | 江苏丰禾机械制造股份有限公司 | Corrugated expansion joint special for ground belt |
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