CN213018296U - Shock-absorbing high-temperature expansion joint - Google Patents
Shock-absorbing high-temperature expansion joint Download PDFInfo
- Publication number
- CN213018296U CN213018296U CN202021710345.3U CN202021710345U CN213018296U CN 213018296 U CN213018296 U CN 213018296U CN 202021710345 U CN202021710345 U CN 202021710345U CN 213018296 U CN213018296 U CN 213018296U
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- China
- Prior art keywords
- expansion joint
- pipe
- connecting pipe
- shock
- temperature expansion
- 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.)
- Expired - Fee Related
Links
- 238000003466 welding Methods 0.000 claims description 17
- 230000035939 shock Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 238000013016 damping Methods 0.000 abstract description 4
- 238000005452 bending Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of expansion joints, in particular to a shock-absorbing high-temperature expansion joint, which solves the defect that bolts at the joint are loosened due to vibration or expansion joint bending existing between pipelines in the prior art, and comprises two conveying pipes and a connecting pipe fixed with the conveying pipes, wherein a corrugated pipe is welded between the two connecting pipes, a fixing plate is welded on the outer surface of the connecting pipe, a connecting plate is also connected on the outer surface of the connecting pipe through a screw, a double-screw bolt is arranged between the two fixing plates in a penetrating way, a first spring is sleeved at the middle, the two ends of the connecting plate are sleeved with second springs, the two ends of the stud are in threaded connection with nuts, the upper end and the lower end of the connecting plate on the conveying pipe are welded with semicircular fastening sleeves, the inner walls of the fastening sleeves are pasted with damping pieces, the device reduces the vibration from top to bottom of the expansion joint, reduces the vibration between the pipeline and the expansion joint, and prevents screws at the joint from loosening caused by the vibration.
Description
Technical Field
The utility model relates to an expansion joint technical field especially relates to a shock attenuation high temperature expansion joint.
Background
The expansion joint is a flexible element which can effectively compensate axial deformation, has large axial flexibility and is easy to deform, can compensate the thermal expansion difference generated by different wall temperatures of a pipe and a shell, and reduces the axial load of the pipe and the shell, thereby reducing the temperature difference stress, avoiding causing strength damage, instability damage and pipe pull-out damage, having more types of expansion joints, and having the common structures of wave shapes, ring plate welding, clamping shell type and the like, wherein the wave-shaped expansion joint is most widely applied, and the ring plate welding expansion joint is only suitable for normal pressure or low pressure occasions.
The existing expansion joint is not provided with a damping mechanism, and the expansion joint and a pipeline can vibrate under frequent cold and hot alternation, so that bolts at the joint are loosened to cause potential safety hazards.
Disclosure of Invention
The utility model aims at solving the problem that the bolt at the joint is not flexible due to the vibration or the bending of the expansion joint between the pipelines in the prior art, and providing a shock absorption high-temperature expansion joint.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
shock attenuation high temperature expansion joint, including two conveyer pipes and with the fixed connecting pipe of conveyer pipe, two the welding has the bellows between the connecting pipe, and the outer surface welding of connecting pipe has the fixed plate, and the connecting pipe surface still has screw connection, two run through between the fixed plate and be provided with the double-screw bolt, double-screw bolt middle part cover is equipped with first spring, and its both ends cover is equipped with the second spring, and double-screw bolt both ends threaded connection has the nut, the connecting plate is located conveyer pipe upper and lower end welding and has semi-circular adapter sleeve, the adapter sleeve inner wall.
Preferably, the end parts of the conveying pipe and the connecting pipe are welded with flanges, and the conveying pipe and the connecting pipe are connected and fixed through the flanges.
Preferably, the ends of the fastening sleeves on the upper and lower sides of the conveying pipe are connected through bolts.
Preferably, the corrugated pipe is made of stainless steel.
Preferably, the shock absorbing sheet material is rubber.
The utility model has the advantages that:
the device reduces the vibration from top to bottom of the expansion joint, reduces the vibration between the pipeline and the expansion joint, and prevents screws at the joint from loosening caused by the vibration.
Drawings
Fig. 1 is a schematic structural view of a shock-absorbing high-temperature expansion joint provided by the present invention;
fig. 2 is the utility model provides a shock attenuation high temperature expansion joint's local vertical section structure sketch map.
In the figure: the damping device comprises a conveying pipe 1, a flange 2, a connecting pipe 3, a corrugated pipe 4, a fixing plate 5, a stud 6, a first spring 7, a second spring 8, a nut 9, a connecting plate 10, a fastening sleeve 11 and a damping sheet 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.
Referring to fig. 1-2, shock attenuation high temperature expansion joint, including two conveyer pipes 1 and with conveyer pipe 1 fixed connecting pipe 3, two the welding has bellows 4 between the connecting pipe 3, and the outer surface welding of connecting pipe 3 has fixed plate 5, and the outer surface of connecting pipe 3 still has screw connection to have connecting plate 10, two run through between the fixed plate 5 and be provided with double-screw bolt 6, 6 middle part covers of double-screw bolt are equipped with first spring 7, and its both ends cover is equipped with second spring 8, and double-screw bolt 6 both ends threaded connection has nut 9, connecting plate 10 is located conveyer pipe 1 upper and lower end welding has semi-circular adapter sleeve 11, adapter sleeve 11 inner wall is pasted and.
The welding of 3 tip of conveyer pipe 1 and connecting pipe has flange 2, and conveyer pipe 1 and connecting pipe 3 pass through flange 2 to be connected fixedly, are located 11 tip of adapter sleeve of conveyer pipe 1 upper and lower side pass through bolted connection, 4 materials of bellows are the stainless steel, the 12 materials of shock attenuation piece are rubber.
In this embodiment, welding corrugated stainless steel pipe 4 between two connecting pipes 3, other end welding flange 2, the flange 2 of conveyer pipe 1 tip welding and 3 tip configurations of connecting pipe, connecting pipe 3 is at the outer surface welding fixed plate 5 that is close to the one end of corrugated pipe 4, the round hole has been seted up in the middle of the fixed plate 5, alternate double-screw bolt 6 in the round hole, double-screw bolt 6 passes the first spring 7 of setting between two fixed plates 5, second spring 8 is established to the both ends cover of double-screw bolt 6, then twist nut 9.
Further, establish the adapter sleeve 11 cover at conveyer pipe 1 surface, two semicircle adapter sleeve 11 cooperations are used, through bolted connection, shim 12 is pasted to adapter sleeve 11 inner wall, need fill up the thermal-insulated membrane between shim 12 and conveyer pipe 1, prevent that shim 12 from leading to the deformation because of high temperature, a plurality of connecting plates 10 of adapter sleeve 11 upper surface welding, connecting plate 10 passes through the screw fixation at connecting pipe 3 surfaces, the adjusting position, then the bolt on the tight sleeve 11 of screwing up, accomplish the installation.
To sum up, this equipment will be consolidated between conveyer pipe 1 and the connecting pipe 3, effectively prevents both and cause the mutual motion because of the shake at the connection region, has alleviateed vibrations, prevents that the junction is not hard up, and is safer.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. Shock attenuation high temperature expansion joint, including two conveyer pipes (1) and with conveyer pipe (1) fixed connecting pipe (3), its characterized in that, two the welding has bellows (4) between connecting pipe (3), and connecting pipe (3) outer surface welding has fixed plate (5), and connecting pipe (3) surface still screwed connection has connecting plate (10), two run through between fixed plate (5) and be provided with double-screw bolt (6), double-screw bolt (6) middle part cover is equipped with first spring (7), and its both ends cover is equipped with second spring (8), and double-screw bolt (6) both ends threaded connection has nut (9), connecting plate (10) are located conveyer pipe (1) upper and lower end welding has semi-circular adapter sleeve (11), adapter sleeve (11) inner wall is pasted and is had shock attenuation piece (12).
2. The shock-absorbing high-temperature expansion joint according to claim 1, wherein flanges (2) are welded at the ends of the conveying pipe (1) and the connecting pipe (3), and the conveying pipe (1) and the connecting pipe (3) are fixedly connected through the flanges (2).
3. A shock-absorbing high-temperature expansion joint according to claim 1, characterised in that the ends of the tightening sleeve (11) on the upper and lower sides of the feed pipe (1) are bolted.
4. A shock absorbing high temperature expansion joint according to claim 1, wherein the bellows (4) is made of stainless steel.
5. A shock absorbing high temperature expansion joint according to claim 1, wherein the shock absorbing plate (12) material is rubber.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021710345.3U CN213018296U (en) | 2020-08-17 | 2020-08-17 | Shock-absorbing high-temperature expansion joint |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021710345.3U CN213018296U (en) | 2020-08-17 | 2020-08-17 | Shock-absorbing high-temperature expansion joint |
Publications (1)
Publication Number | Publication Date |
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CN213018296U true CN213018296U (en) | 2021-04-20 |
Family
ID=75465196
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202021710345.3U Expired - Fee Related CN213018296U (en) | 2020-08-17 | 2020-08-17 | Shock-absorbing high-temperature expansion joint |
Country Status (1)
Country | Link |
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CN (1) | CN213018296U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115539749A (en) * | 2022-10-14 | 2022-12-30 | 江苏金烨钛业有限公司 | Flange with vibration partition function |
-
2020
- 2020-08-17 CN CN202021710345.3U patent/CN213018296U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115539749A (en) * | 2022-10-14 | 2022-12-30 | 江苏金烨钛业有限公司 | Flange with vibration partition function |
CN115539749B (en) * | 2022-10-14 | 2023-09-12 | 江苏金烨钛业有限公司 | Flange with vibration partition function |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210420 |