CN220470952U - Protection device for expansion joint on sealed pipeline - Google Patents
Protection device for expansion joint on sealed pipeline Download PDFInfo
- Publication number
- CN220470952U CN220470952U CN202321422747.7U CN202321422747U CN220470952U CN 220470952 U CN220470952 U CN 220470952U CN 202321422747 U CN202321422747 U CN 202321422747U CN 220470952 U CN220470952 U CN 220470952U
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- Prior art keywords
- fixing
- expansion joint
- fixed
- flange ring
- pipeline
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- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000001012 protector Effects 0.000 claims 5
- 230000000694 effects Effects 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model discloses a protection device for an expansion joint on a sealed pipeline, which comprises fixed flange rings, wherein the expansion joint (6) is arranged between the sealed pipelines, the expansion joint (6) is connected with the sealed pipelines, the fixed flange rings are fixedly connected to the sealed pipelines, the fixed flange rings are arranged on two sides of the expansion joint (6), and a force transmission structure is arranged on the fixed flange rings.
Description
Technical Field
The utility model belongs to the field of expansion joint fixing auxiliary devices, and particularly relates to a protection device for an expansion joint on a sealed pipeline.
Background
The common expansion joint is mainly used for sealing pipelines with axial or radial displacement, and is mostly used in the static state of equipment or pipelines at two ends to compensate for additional stress or deflection compensation caused by temperature, vibration or sedimentation and other conditions.
In the prior art, when the expansion joint is used in a state that two ends of equipment or a pipeline are in motion, if the single-side equipment drive or the two-side equipment drive is asynchronous, the expansion joint can be subjected to transmission force except compensation deflection, and the expansion joint can be seriously damaged and scrapped directly, so that a device is needed to solve the problem of stress transmission on two sides of the compensation expansion joint.
The utility model patent with the bulletin number of CN217859753U discloses a processing force transmission structure for expansion joints in the year 2022, 11 and 22, comprising a processing base, a first positioning component and a second positioning component which are arranged on the processing base, wherein the first positioning component and the second positioning component are respectively provided with a half bearing through a lower positioning seat and a positioning upper cover which are in butt joint by two relative rotations, the first positioning component and the second positioning component are fixed on two expansion joint pipe fittings to be welded, and a damping piece resets to drive a sliding plate to move towards the first positioning component, so that the pipe fitting positioned on the second positioning component is in tight butt joint with the pipe fitting on the first positioning component. The device is unfavorable for the force transmission and can not prolong the service life of the expansion joint.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide the protection device for the expansion joint on the sealed pipeline, which has high structural stability, is favorable for stress transmission and can prolong the service life of the expansion joint.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the protection device of the expansion joint on the sealed pipeline comprises fixed flange rings, wherein the expansion joint is arranged between the sealed pipelines, the expansion joint is connected with the sealed pipelines, the fixed flange rings are fixedly connected to the sealed pipelines, the fixed flange rings are arranged on two sides of the expansion joint, and a force transmission structure is arranged on the fixed flange rings.
The sealing pipeline comprises a first sealing pipeline and a second sealing pipeline, the fixed flange ring comprises a first fixed flange ring and a second fixed flange ring, the first fixed flange ring is arranged on the first sealing pipeline, and the second fixed flange ring is arranged on the second sealing pipeline.
The force transmission structure comprises a fixed beam, the fixed beam comprises a first fixed beam and a second fixed beam, and two ends of the first fixed beam are fixedly connected with the first fixed flange ring and the second fixed flange ring; the second fixed beam is fixedly connected to the first fixed beam.
The fixing flange ring is provided with a fixing bolt, the fixing bolt penetrates through the fixing flange ring, the first fixing beam and the second fixing beam, the end part of the fixing bolt is provided with a fixing nut, and the fixing bolt and the fixing nut compress the fixing flange ring, the first fixing beam and the second fixing beam.
The head of the fixing bolt is arranged inside the fixing flange ring, and the end part of the fixing bolt extends out of the second fixing beam.
The fixing bolts are arranged in pairs, and the first fixing beams are connected to the first fixing flange ring and the second fixing flange ring in pairs.
The first fixed beam and the second fixed beam are symmetrically arranged on two sides of the fixed flange ring.
The fixed flange ring, the first fixed beam and the second fixed beam are all of channel steel structures.
The end parts of the first sealing pipeline and the second sealing pipeline are respectively provided with a first connecting flange, the two ends of the expansion joint are respectively provided with a second connecting flange, the first connecting flanges are matched with the second connecting flanges, and the first connecting flanges are fixedly connected with the second connecting flanges.
The fixed flange ring is clamped on the sealed pipeline.
The utility model has the technical effects that: the protection device for the expansion joint on the sealed pipeline has reasonable structure and stable operation, solves the problem of rigid force transmission of the expansion joint, ensures the stress transmission of equipment at two ends of the expansion joint, also ensures the axial and radial displacement deviation compensation of the expansion joint, can be applied to the situation that the expansion joint is stressed slightly or can not be stressed, avoids the damage of the expansion joint caused by the overlarge stress, reduces the damage rate of the expansion joint, and prolongs the service life of the expansion joint.
Drawings
The present specification includes the following drawings, the contents of which are respectively:
FIG. 1 is a schematic diagram of the operation of the protection device of the expansion joint on the sealed pipeline of the present utility model;
FIG. 2 is a schematic view of a section A of a protection device for an expansion joint on a sealed pipeline;
FIG. 3 is a schematic view of a section B of the protection device of the expansion joint on the sealed pipeline.
Marked in the figure as: 1. a first fixed flange ring; 2. a first fixed beam; 3. a second fixed beam; 4. a fixing bolt; 5. a fixing nut; 6. an expansion joint; 7. a first sealed conduit; 8. a second sealed conduit; 9. a first connection flange; 10. a second connection flange; 11. and a second fixed flange ring.
Detailed Description
The following detailed description of the embodiments of the utility model, given by way of example only, is presented in the accompanying drawings to aid those skilled in the art in a more complete, accurate and thorough understanding of the inventive concepts and aspects of the utility model, and to facilitate their practice.
As shown in fig. 1 to 3, the protection device for the expansion joint on the sealed pipeline comprises a fixed flange ring, the expansion joint 6 is arranged between the sealed pipelines, the expansion joint 6 is connected with the sealed pipelines, the fixed flange ring is fixedly connected on the sealed pipelines, the fixed flange ring is arranged on two sides of the expansion joint 6, and a force transmission structure is arranged on the fixed flange ring.
According to the protection device for the expansion joint on the sealed pipeline, the force transmission structure is additionally arranged on the sealed pipeline, so that the stress transmission of equipment at the two ends of the expansion joint 6 is facilitated, the expansion joint 6 can be prevented from being damaged due to overlarge stress, the compensation effect of the expansion joint 6 can not be hindered, and the service life is prolonged.
As shown in fig. 1, the sealed pipeline comprises a first sealed pipeline 7 and a second sealed pipeline 8, the fixed flange ring comprises a first fixed flange ring 1 and a second fixed flange ring 11, the first fixed flange ring 1 is arranged on the first sealed pipeline 7, and the second fixed flange ring 11 is arranged on the second sealed pipeline 8. The first fixing flange ring 1 and the second fixing flange ring 11 are identical in structure and are symmetrically arranged about the expansion joint 6, the transmission of stress of the expansion joint 6 is facilitated through the first fixing flange ring 1 and the second fixing flange ring 11, and the damage rate of the expansion joint 6 is reduced.
As shown in fig. 2 and 3, the force transmission structure comprises a fixed beam, the fixed beam comprises a first fixed beam 2 and a second fixed beam 3, and two ends of the first fixed beam 2 are fixedly connected with a first fixed flange ring 1 and a second fixed flange ring 11; the second fixed beam 3 is fixedly connected to the first fixed beam 2. The first sealing pipeline 7 and the second sealing pipeline 8 on two sides of the expansion joint 6 are fixed by the installation of the first fixing beam 2 and the second fixing beam 3, so that the stress transmission of the expansion joint 6 is facilitated, the compensation effect of the expansion joint 6 is not hindered, and the service life of the expansion joint 6 is prolonged.
As shown in fig. 1 to 3, a fixing bolt 4 is arranged on the fixing flange ring, the fixing bolt 4 penetrates through the fixing flange ring, the first fixing beam 2 and the second fixing beam 3, a fixing nut 5 is arranged at the end part of the fixing bolt 4, and the fixing bolt 4 and the fixing nut 5 compress the fixing flange ring, the first fixing beam 2 and the second fixing beam 3. The compression of the fixing bolts 4 and the fixing nuts 5 on all the components is utilized, so that the stable connection of the first fixing flange ring 1 and the second fixing flange ring 11 is realized, the damage of the expansion joint 6 caused by insufficient capability of bearing stress is reduced, the connection strength of the expansion joint 6 on a pipeline is improved, and the service life is prolonged.
As shown in fig. 1, the head of the fixing bolt 4 is arranged inside the fixing flange ring, and the end of the fixing bolt 4 extends out of the second fixing beam 3. The fixing nut 5 can be conveniently installed by stretching out the end part of the fixing bolt 4, and the fixing nut 5 can be conveniently installed by a worker on the outer side of the second fixing beam 3 and can be conveniently adjusted by the tightness of the fixing bolt 4, so that the maintenance of the worker is facilitated.
The fixing bolts 4 are arranged in pairs, and the first fixing beams 2 are connected to the first fixing flange ring 1 and the second fixing flange ring 11 in pairs. The first fixing beam 2 is used for connecting the first fixing flange ring 1 and the second fixing flange ring 11, and the fixing bolts 4 are used for fixing the first fixing flange ring 1 and the second fixing flange ring 11 by the first fixing beam 2.
The first fixed beam 2 and the second fixed beam 3 are symmetrically arranged at two sides of the fixed flange ring. The fixed flange circle both sides all set up first fixed beam 2 and second fixed beam 3, have guaranteed that fixed flange circle both sides atress is even, can improve joint strength, and the fixed effect can further be reinforceed to first fixed beam 2 and the second fixed beam 3 that set up in pairs.
As shown in fig. 1 to 3, the fixing flange ring, the first fixing beam 2 and the second fixing beam 3 are all of a channel steel structure. The fixed flange ring is formed by fixedly processing the end parts of four channel steel in a head-to-tail connection mode, and the fixed flange, the first fixed beam 2 and the second fixed beam 3 are of channel steel structures, so that the structural strength is improved, the stress transmission is facilitated, the damage to the expansion joint 6 is reduced, and the service life of the expansion joint 6 applied to the stress part is greatly prolonged.
As shown in fig. 1, the ends of the first sealed pipeline 7 and the second sealed pipeline 8 are respectively provided with a first connecting flange 9, two ends of the expansion joint 6 are provided with a second connecting flange 10, the first connecting flange 9 is matched with the second connecting flange 10, and the first connecting flange 9 is fixedly connected with the second connecting flange 10. The expansion joint 6 is connected between the first sealed pipeline 7 and the second sealed pipeline 8 by the connection of the first connecting flange 9 and the second connecting flange 10, and the expansion joint 6 can be used for compensating the deflection of the pipeline caused by temperature, vibration or sedimentation and the like.
The fixed flange ring is clamped on the sealed pipeline. The inner diameter of the fixed flange ring is matched with the outer diameter of the sealed pipeline, and the fixed flange ring is fixed on the sealed pipeline, so that stable installation positions are provided for other parts.
When the device is used, as shown in fig. 1 to 3, if the equipment or the pipeline at two ends is in a motion state, and if the phenomenon that the equipment at one side or two sides is not driven synchronously is generated, the expansion joint 6 can be subjected to transmission force except compensation deflection, after the device is used, the first fixed beam 2 and the second fixed beam 3 arranged on the fixed flange ring can bear the transmission force, the first fixed beam 2 and the second fixed beam 3 are in channel steel structures, the structure strength is high, the overlarge torsion can be borne, the damage of the stress to the expansion joint 6 is effectively avoided, and the use cost is reduced. The device can be used alone or with the expansion joint 6 or the flexible connection as an assembly.
The protection device for the expansion joint on the sealed pipeline has reasonable structure and stable operation, solves the problem of rigid force transmission of the expansion joint 6, ensures the force transmission of equipment at two ends of the expansion joint 6, and also ensures the axial and radial displacement deviation compensation of the expansion joint 6, can be applied to the situation that the expansion joint 6 is stressed slightly or can not be stressed, avoids the damage of the expansion joint 6 caused by the overlarge stress, reduces the damage rate of the expansion joint 6, and prolongs the service life of the expansion joint 6.
The utility model is described above by way of example with reference to the accompanying drawings. It will be clear that the utility model is not limited to the embodiments described above. As long as various insubstantial improvements are made using the method concepts and technical solutions of the present utility model; or the utility model is not improved, and the conception and the technical scheme are directly applied to other occasions and are all within the protection scope of the utility model.
Claims (7)
1. A protection device of expansion joint on sealed pipeline, its characterized in that: the expansion joint (6) is arranged between the sealing pipelines, the expansion joint (6) is connected with the sealing pipelines, the fixed flange is fixedly connected to the sealing pipelines, the fixed flange is arranged at two sides of the expansion joint (6), and a force transmission structure is arranged on the fixed flange; the sealing pipeline comprises a first sealing pipeline (7) and a second sealing pipeline (8), the fixed flange ring comprises a first fixed flange ring (1) and a second fixed flange ring (11), the first fixed flange ring (1) is arranged on the first sealing pipeline (7), and the second fixed flange ring (11) is arranged on the second sealing pipeline (8); the force transmission structure comprises a fixed beam, the fixed beam comprises a first fixed beam (2) and a second fixed beam (3), and two ends of the first fixed beam (2) are fixedly connected with the first fixed flange ring (1) and the second fixed flange ring (11); the second fixed beam (3) is fixedly connected to the first fixed beam (2); the fixed flange ring, the first fixed beam (2) and the second fixed beam (3) are all of channel steel structures.
2. A protector for an expansion joint on a sealed pipe according to claim 1, wherein: the fixing flange ring is provided with a fixing bolt (4), the fixing bolt (4) penetrates through the fixing flange ring, the first fixing beam (2) and the second fixing beam (3), the end part of the fixing bolt (4) is provided with a fixing nut (5), and the fixing bolt (4) and the fixing nut (5) compress tightly the fixing flange ring, the first fixing beam (2) and the second fixing beam (3).
3. A protector for an expansion joint on a sealed pipe according to claim 2, wherein: the head of the fixing bolt (4) is arranged inside the fixing flange ring, and the end part of the fixing bolt (4) extends out of the second fixing beam (3).
4. A protection device for an expansion joint on a sealed pipe according to claim 2 or 3, characterized in that: the fixing bolts (4) are arranged in pairs, and the first fixing beams (2) are connected to the first fixing flange ring (1) and the second fixing flange ring (11) in pairs.
5. A protector for an expansion joint on a sealed pipe according to claim 2, wherein: the first fixed beam (2) and the second fixed beam (3) are symmetrically arranged on two sides of the fixed flange ring.
6. A protector for an expansion joint on a sealed pipe according to claim 1, wherein: the end parts of the first sealing pipeline (7) and the second sealing pipeline (8) are respectively provided with a first connecting flange (9), two ends of the expansion joint (6) are respectively provided with a second connecting flange (10), the first connecting flanges (9) are matched with the second connecting flanges (10), and the first connecting flanges (9) are fixedly connected with the second connecting flanges (10).
7. A protector for an expansion joint on a sealed pipe according to claim 1, wherein: the fixed flange ring is clamped on the sealed pipeline.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321422747.7U CN220470952U (en) | 2023-06-06 | 2023-06-06 | Protection device for expansion joint on sealed pipeline |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321422747.7U CN220470952U (en) | 2023-06-06 | 2023-06-06 | Protection device for expansion joint on sealed pipeline |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220470952U true CN220470952U (en) | 2024-02-09 |
Family
ID=89778091
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321422747.7U Active CN220470952U (en) | 2023-06-06 | 2023-06-06 | Protection device for expansion joint on sealed pipeline |
Country Status (1)
Country | Link |
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CN (1) | CN220470952U (en) |
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2023
- 2023-06-06 CN CN202321422747.7U patent/CN220470952U/en active Active
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