CN221054193U - Dynamic vibration absorber suitable for small branch pipe - Google Patents
Dynamic vibration absorber suitable for small branch pipe Download PDFInfo
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- CN221054193U CN221054193U CN202323024364.7U CN202323024364U CN221054193U CN 221054193 U CN221054193 U CN 221054193U CN 202323024364 U CN202323024364 U CN 202323024364U CN 221054193 U CN221054193 U CN 221054193U
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- small branch
- vibration absorber
- pipe
- dynamic vibration
- branch pipes
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- 239000006096 absorbing agent Substances 0.000 title claims abstract description 28
- 230000008602 contraction Effects 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 10
- 238000007906 compression Methods 0.000 description 10
- 238000009434 installation Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Vibration Prevention Devices (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
The utility model discloses a dynamic vibration absorber suitable for a small branch pipe, which comprises two vibration absorbing units symmetrically arranged on the outer wall of a pipeline, wherein each vibration absorbing unit comprises a vibration absorbing assembly, each vibration absorbing assembly comprises a shell, an elastic piece and a mass block, the mass block is arranged in the shell, and the elastic piece is arranged between the mass block and the shell. The power vibration absorber suitable for the small branch pipe adopts the vibration absorbing units with two half structures to be connected and surrounded on the small branch pipe pipeline, thereby forming a complete power vibration absorber structure suitable for the small branch pipe, and further being arranged at a position where the pipeline vibrates, the power vibration absorber can effectively solve the problem of vibration fatigue fracture of the small branch pipe, reduces unplanned shutdown maintenance, is convenient to install and low in construction cost, and has higher economic benefit.
Description
Technical Field
The utility model relates to a dynamic vibration absorber suitable for a small branch pipe, and belongs to the field of small branch pipe vibration treatment.
Background
The problem of vibration fatigue fracture of small branch pipes (the pipe with the general pipe diameter not larger than DN50 can be called as small branch pipes) is common in the fields of nuclear power and the like, and sometimes the small branch pipes need to be shut down for maintenance, so that large economic loss is caused, and the safety production is seriously influenced.
At present, the conventional small branch pipe vibration treatment scheme mainly comprises the steps of changing the pipeline layout, adding constraint brackets and the like, but the method has high transformation cost and higher requirement on the installation space.
Disclosure of utility model
In view of the above, in order to overcome the defects of the prior art and achieve the above-mentioned objects, an object of the present utility model is to provide a dynamic vibration absorber suitable for small branch pipes, which is low in cost and simple in field installation operation.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a dynamic vibration absorber suitable for little branch pipe, includes that two symmetries set up the unit that shakes at the pipeline outer wall, every the unit that shakes includes the subassembly that shakes, the subassembly that shakes includes casing, elastic component and quality piece, the quality piece set up in the casing, the elastic component set up in the quality piece with between the casing.
In the above technical scheme, preferably, the mass block is connected with the housing through a connecting piece, the connecting piece is arranged in the housing, the connecting piece comprises a connecting rod assembly and a connecting plate, the connecting rod assembly is connected with the housing, and the connecting plate is connected with the mass block.
In the above technical scheme, further preferably, the connecting rod assembly includes the connecting rod that is the T font and two relative setting's adapter sleeve, the connecting rod includes first tip, second tip and third tip, two adapter sleeve set up in on the casing, first tip and one of them adapter sleeve rotates to be connected, the second tip and another adapter sleeve rotates to be connected, third tip with connecting plate fixed connection.
In the above technical solution, it is further preferable that the mass block is screwed with the connection plate.
In the above technical solution, it is still further preferable that the number of the elastic members is two, the two elastic members are symmetrically located at two sides of the mass block, one end of the elastic member acts on the mass block, and the other end of the elastic member acts on the housing.
In the above technical solution, still further preferably, the vibration absorbing unit further includes a pipe clamping member, one of the two vibration absorbing units is detachably connected with the other pipe clamping member of the vibration absorbing unit, and a clamping hole for passing a pipe is formed between the two.
In the above technical solution, and further preferably, the number of the pipe clamping pieces is two, a groove for accommodating a pipe is formed at one end of the pipe clamping piece, and the other end of the pipe clamping piece is connected with the housing.
In the above technical solution, it is further preferable that the connecting member is close to the pipe clamping member, and the mass block is far away from the pipe clamping member.
In the above technical solution, still further preferably, the length direction of the connecting rod is the same as the length direction of the pipe, and the expansion direction of the elastic member is perpendicular to the length direction of the connecting rod.
In the above technical scheme, preferably, the casing is provided with a cover, the casing is provided with a plurality of first connecting holes, and the cover is provided with a plurality of second connecting holes.
Due to the adoption of the technical scheme, compared with the prior art, the utility model has the following advantages: the power vibration absorber suitable for the small branch pipe adopts the vibration absorbing units with two half structures to be connected and surrounded on the small branch pipe pipeline, thereby forming a complete power vibration absorber structure suitable for the small branch pipe, and further being arranged at a position where the pipeline vibrates, the power vibration absorber can effectively solve the problem of vibration fatigue fracture of the small branch pipe, reduces unplanned shutdown maintenance, is convenient to install and low in construction cost, and has higher economic benefit.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a first angle of a dynamic vibration absorber (a hood) suitable for a small manifold;
FIG. 2 is a schematic view of a second angle of a dynamic vibration absorber (without a hood) suitable for use in a small manifold;
FIG. 3 is a schematic view of a third angle of a dynamic vibration absorber (without a hood) suitable for use in a small manifold;
FIG. 4 is a schematic view of a fourth angle of a dynamic vibration absorber (without a hood) suitable for use with a small manifold;
FIG. 5 is an enlarged view of FIG. 4 at A;
In the drawings, a pipeline-100, a vibration absorbing unit-200, a shell-211, a compression spring-212, a mass block-213, a pipeline clamping piece-220, a connecting piece-300, a connecting plate-310, a connecting rod-320, a first end-321, a second end-322, a third end-323, a first connecting sleeve-331, a second connecting sleeve-332 and a cover-400.
Detailed Description
In order to make the technical solution of the present utility model better understood by those skilled in the art, the technical solution of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
Examples:
Referring to fig. 1 to 4, the present embodiment discloses a dynamic vibration absorber suitable for a small branch pipe, which includes two vibration absorbing units 200 symmetrically disposed on an outer wall of a pipe 100, and each vibration absorbing unit 200 includes a vibration absorbing assembly and a pipe clamping member 220.
The vibration absorbing assembly comprises a shell 211, compression springs 212 and a mass block 213, wherein the mass block 213 is arranged in the shell 211, the compression springs 212 are arranged between the mass block 213 and the shell 211, specifically, the number of the compression springs 212 is two, the compression springs 212 are symmetrically arranged on two sides of the mass block 213, one end of each compression spring 212 acts on the mass block 213, the other end of each compression spring 212 acts on the shell 211, and the compression springs 212 are in a compression state after being installed. The mass block 213 is connected to the housing 211 through a connector 300, and the connector 300 is disposed in the housing 211.
Referring to fig. 5, the connector 300 includes a connector rod assembly connected with the housing 211 and a connector plate 310 connected with the mass 213 by screw threads. Specifically taking one shock absorbing unit 200 as an example, the connecting rod assembly includes a T-shaped connecting rod 320, a first connecting sleeve 331 and a second connecting sleeve 332, where the first connecting sleeve 331 and the second connecting sleeve 332 are oppositely disposed, the connecting rod 320 includes a first end 321, a second end 322 and a third end 323, the first connecting sleeve 331 and the second connecting sleeve 332 are disposed on the housing 211, the first end 321 is rotationally connected with the first connecting sleeve 331, the second end 322 is rotationally connected with the second connecting sleeve 332, and the third end 323 is fixedly connected with the connecting plate 310.
The pipe clamping member 220 is used for fixing the shell 211 on the same side, the two are welded and fixed, the pipe clamping member 220 of one vibration absorbing unit 200 in the two vibration absorbing units 200 is fixedly connected with the pipe clamping member 220 of the other vibration absorbing unit 200, and a clamping hole for the pipe 100 to pass through is formed between the two. In each shock absorbing unit 200, there are two tube clamps 220, one end of the tube clamp 220 is provided with a groove for accommodating the tube 100, and the other end of the tube clamp 220 is connected with the housing 211. The connector 300 is positioned proximate to the tube clamp 220 and the mass 213 is positioned distal to the tube clamp 220.
The length direction of the connection rod 320 is the same as the length direction of the pipe 100, and the extension and contraction direction of the compression spring 212 is perpendicular to the length direction of the connection rod 320.
In addition, a cover 400 is arranged outside the housing 211, a plurality of first connecting holes are arranged on the housing 211, and a plurality of second connecting holes matched with the first connecting holes are arranged on the cover 400 for installing the cover 400 outside the housing 211.
The vibration absorbing unit 200 is of a half-side structure, and when the vibration absorbing unit is used, the two half-side structures are encircling the outer wall of a pipeline of the small branch pipe through the bolt connection to form a complete power vibration absorber structure suitable for the small branch pipe, so that the problem of high vibration of the small branch pipe in the industrial field of nuclear power and the like can be effectively solved, the vibration absorbing unit is convenient to install and low in construction cost, the vibration fatigue fracture problem of the small branch pipe can be effectively solved, the unplanned shutdown maintenance is reduced, and the vibration absorbing unit has higher economic benefit.
The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.
Claims (10)
1. The utility model provides a dynamic vibration absorber suitable for little branch pipe, its characterized in that includes two symmetry settings at the vibration absorbing unit of pipeline outer wall, every the vibration absorbing unit includes the subassembly that shakes, the subassembly that shakes includes casing, elastic component and quality piece, the quality piece set up in the casing, the elastic component set up in the quality piece with between the casing.
2. The dynamic vibration absorber for small branch pipes according to claim 1, wherein the mass block is connected with the housing through a connecting member, the connecting member is provided in the housing, the connecting member includes a connecting rod assembly and a connecting plate, the connecting rod assembly is connected with the housing, and the connecting plate is connected with the mass block.
3. The dynamic vibration absorber for small branch pipes according to claim 2, wherein the connecting rod assembly comprises a T-shaped connecting rod and two oppositely arranged connecting sleeves, the connecting rod comprises a first end, a second end and a third end, the two connecting sleeves are arranged on the shell, the first end is rotatably connected with one of the connecting sleeves, the second end is rotatably connected with the other connecting sleeve, and the third end is fixedly connected with the connecting plate.
4. A dynamic vibration absorber for small branch pipes according to claim 3, wherein said mass is screwed with said connection plate.
5. The dynamic vibration absorber for small branch pipes according to claim 4, wherein the number of the elastic members is two, the two elastic members are symmetrically located at both sides of the mass block, one end of the elastic member acts on the mass block, and the other end of the elastic member acts on the housing.
6. The dynamic vibration absorber for small branch pipes according to claim 5, wherein the vibration absorbing units further comprise pipe clamps, wherein the pipe clamps of one of the two vibration absorbing units are detachably connected with the pipe clamps of the other vibration absorbing unit, and a clamping hole for passing a pipe is formed therebetween.
7. The dynamic vibration absorber for small branch pipes according to claim 6, wherein the number of the pipe clamps is two, a groove for accommodating a pipe is formed in one end of the pipe clamp, and the other end of the pipe clamp is connected with the housing.
8. The dynamic vibration absorber for small branch pipes according to claim 7, wherein the connecting member is close to the pipe clamping member, and the mass is far from the pipe clamping member.
9. The dynamic vibration absorber for small branch pipes according to claim 8, wherein the length direction of the connecting rod is the same as the length direction of the pipe, and the expansion and contraction direction of the elastic member is perpendicular to the length direction of the connecting rod.
10. The dynamic vibration absorber for small branch pipes according to claim 1, wherein a cover is arranged outside the shell, a plurality of first connecting holes are arranged on the shell, and a plurality of second connecting holes are arranged on the cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323024364.7U CN221054193U (en) | 2023-11-09 | 2023-11-09 | Dynamic vibration absorber suitable for small branch pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323024364.7U CN221054193U (en) | 2023-11-09 | 2023-11-09 | Dynamic vibration absorber suitable for small branch pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221054193U true CN221054193U (en) | 2024-05-31 |
Family
ID=91225000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323024364.7U Active CN221054193U (en) | 2023-11-09 | 2023-11-09 | Dynamic vibration absorber suitable for small branch pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221054193U (en) |
-
2023
- 2023-11-09 CN CN202323024364.7U patent/CN221054193U/en active Active
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