CN210890586U - Valve capable of reducing pipeline vibration - Google Patents
Valve capable of reducing pipeline vibration Download PDFInfo
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- CN210890586U CN210890586U CN201922009180.0U CN201922009180U CN210890586U CN 210890586 U CN210890586 U CN 210890586U CN 201922009180 U CN201922009180 U CN 201922009180U CN 210890586 U CN210890586 U CN 210890586U
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Abstract
The utility model relates to a can reduce pipeline vibration's valve, wherein, for controlling the first cavity that link up, interior valve plate and first cavity phase-match in the inner tube. The inner pipe and the middle pipe form a second cavity which is communicated left and right, and the middle valve plate is matched with the second cavity. A third cavity which is communicated from left to right is formed between the middle pipe and the outer pipe, and the outer valve plate is matched with the third cavity. The inner valve plate, the middle valve plate and the outer valve plate are concentrically arranged in the outer pipe and are located at the left end part of the inner pipe and the left end part of the middle pipe. The outer valve rod penetrates through the outer pipe from top to bottom and is connected with the outer valve plate. The middle valve rod penetrates through the outer valve rod and the outer valve plate from top to bottom and is connected with the middle valve plate. The inner valve rod penetrates through the middle valve rod and the middle valve plate from top to bottom and is connected with the inner valve plate. The three valve rods are coaxial. The utility model discloses a similar three coaxial butterfly valve integrated configuration of valve structure, it is in accommodation process, and adjacent valve plate opening opposite direction can compensate the asymmetric power that produces in the valve plate accommodation process, reaches the purpose that reduces the pipeline vibration.
Description
Technical Field
The utility model belongs to the technical field of the valve, a can reduce valve of pipeline vibration is related to.
Background
A pipe is an "artery" of an electric power system, and media such as water, steam, oil, air, etc. are conveyed through the pipe, and the pipe necessarily involves many control valves. When working medium flows through the valve, the control valve can generate complex periodic pressure pulsation on fluid in the pipe due to the throttling action, and the pipeline vibration is caused by the fluid-solid interaction. The vibration of the pipeline can cause the fatigue damage of the structure and the elements of the pipeline, the loosening and the breakage of the connecting part, the reduction of the service life of power equipment, the distortion and even the damage of the measuring instrument of the pipeline system, and the like. Meanwhile, the vibration of the pipeline can cause noise pollution and influence the physical and mental health of workers. Excessive vibration may even cause serious accidents, resulting in significant economic loss.
Disclosure of Invention
The utility model provides a valve capable of reducing pipeline vibration and a use method thereof.
The utility model discloses the technical scheme who adopts does:
a valve capable of reducing pipeline vibration comprises an inner valve plate, a middle valve plate, an outer valve rod, a middle valve rod, an inner pipe, a middle pipe and an outer pipe which are coaxially arranged from inside to outside; the left ends of the inner pipe and the middle pipe are flush and are both positioned in the outer pipe, and the left end of the outer pipe exceeds the inner pipe and the middle pipe; the inner pipe is internally provided with a first cavity which is communicated left and right, and the inner valve plate is matched with the first cavity; a second cavity which is communicated from left to right is formed between the inner pipe and the middle pipe, and the middle valve plate is matched with the second cavity; a third cavity which is communicated from left to right is formed between the middle pipe and the outer pipe, and the outer valve plate is matched with the third cavity; the inner valve plate, the middle valve plate and the outer valve plate are concentrically arranged in the outer pipe and are positioned at the left end parts of the inner pipe and the middle pipe; the outer valve rod penetrates through the outer pipe from top to bottom and is connected with the outer valve plate; the middle valve rod penetrates through the outer valve rod and the outer valve plate from top to bottom and is connected with the middle valve plate; the inner valve rod penetrates through the middle valve rod and the middle valve plate from top to bottom and is connected with the inner valve plate; the outer valve stem, the middle valve stem and the inner valve stem are coaxial; the joint position of the upper end of the outer valve rod and the middle valve rod and the joint position of the upper end of the middle valve rod and the inner valve rod are respectively sealed through corresponding sealing gaskets and sealing bolts, and the joint position of the bottom of the outer valve rod and the outer valve plate is also provided with the sealing gaskets.
Further, bearings are arranged between the outer valve rod and the middle valve rod and between the middle valve rod and the inner valve rod.
Furthermore, the number of the bearings arranged in the outer valve rod is two, and the two bearings are arranged one above the other; the number of the bearings arranged in the middle valve rod is two, and the bearings are arranged one above the other.
Further, the right end of the middle pipe exceeds the inner pipe.
Furthermore, a plurality of damping springs are uniformly and vertically arranged in the second cavity and the third cavity respectively.
Furthermore, a plurality of small holes are uniformly distributed on the inner pipe and the middle pipe.
Furthermore, the aperture of the small hole is 0.5-2 mm.
The valve using method is characterized in that the inner valve plate, the middle valve plate and the outer valve plate can be used independently respectively, or can be used in a two-to-three or three-to-three matching way; when any two valve plates are used, the opening directions of the two valve plates are opposite; when three valve plates are used, the opening directions of the adjacent valve plates are kept opposite.
The beneficial effects of the utility model reside in that:
when the opening degree of a single valve plate is adjusted, the fluid can be deflected, and the fluid passing through the valve can generate a force perpendicular to the axial direction of the pipeline, which is one of important reasons for generating vibration of the pipeline. The utility model discloses a similar three coaxial butterfly valve integrated configuration of valve structure, in accommodation process, adjacent valve plate opening opposite direction can compensate the asymmetric power that produces in the valve plate accommodation process, reaches the purpose that reduces the pipeline vibration.
Drawings
Fig. 1 is a cross-sectional view of the valve of the present invention;
FIG. 2 is a left side view of FIG. 1;
reference numerals: 1-inner valve plate, 2-middle valve plate, 3-outer valve plate, 4-outer valve rod, 5-middle valve rod, 6-inner valve rod, 7-sealing bolt, 8-sealing gasket, 9-bearing, 10-damping spring, 11-inner pipe, 12-middle pipe and 13-outer pipe.
Detailed Description
The valve for reducing pipe vibration and the method for using the valve according to the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The valve capable of reducing pipeline vibration as shown in fig. 1 and 2 comprises an inner valve plate 1, a middle valve plate 2, an outer valve plate 3, an outer valve rod 4, a middle valve rod 5 and an inner valve rod 6, and an inner pipe 11, a middle pipe 12 and an outer pipe 13 which are coaxially arranged from inside to outside. The left ends of the inner tube 11 and the middle tube 12 are flush and are both positioned in the outer tube 13, the left end of the outer tube 13 exceeds the inner tube 11 and the middle tube 12, and the right end of the middle tube 12 exceeds the right end of the inner tube 11. The inner pipe 11 is internally provided with a first cavity which is communicated left and right, and the inner valve plate 1 is matched with the first cavity. A second cavity which is through from left to right is formed between the inner pipe 11 and the middle pipe 12, and the middle valve plate 2 is matched with the second cavity. A third cavity which is communicated from left to right is formed between the middle pipe 12 and the outer pipe 13, and the outer valve plate 3 is matched with the third cavity. Inner valve plate 1, well valve plate 2 and outer valve plate 3 set up in outer tube 13 with one heart to, all be located inner tube 11 and well 12 left end tip, three valve plates are used for the corresponding cavity of switching respectively. The outer valve rod 4 passes through the outer tube 13 from top to bottom and is connected to the outer valve plate 3. The middle valve rod 5 passes through the outer valve rod 4 and the outer valve plate 3 from top to bottom and is connected with the middle valve plate 2. The inner valve rod 6 passes through the middle valve rod 5 and the middle valve plate 2 from top to bottom and is connected with the inner valve plate 1. The outer stem 4, the middle stem 5 and the inner stem 6 are coaxial. The joint position of the upper end of the outer valve rod 4 and the middle valve rod 5 and the joint position of the upper end of the middle valve rod 5 and the inner valve rod 6 are respectively sealed through a corresponding sealing washer 8 and a corresponding sealing bolt 7, and the joint position of the bottom of the outer valve rod 4 and the outer valve plate 3 is also provided with the sealing washer 8, so that the leakage of working media in the valve is avoided.
In addition, bearings 9 are provided between the outer valve rod 4 and the intermediate valve rod 5, and between the intermediate valve rod 5 and the inner valve rod 6. The number of the bearings 9 arranged in the outer valve rod 4 is two, one above the other. The number of the bearings 9 arranged in the middle valve rod is also two, and the two bearings are arranged one above the other.
A plurality of damping springs 10 are uniformly and vertically arranged in the second cavity and the third cavity respectively, two ends of each damping spring 10 are fixed on two opposite pipe walls respectively, and the damping springs 10 can weaken the pulsating energy after the fluid is throttled.
The inner pipe 11 and the middle pipe 12 are both evenly distributed with a plurality of small holes, and the aperture of the small holes is 0.5-2 mm. The small holes can keep the fluid as uniform as possible, and simultaneously can reduce the vortex formed after the fluid passes through the valve, further reduce the pulsation of the fluid flowing behind the valve and reduce the vibration of the pipeline.
A valve using method comprises the following steps: the inner valve plate 1, the middle valve plate 2 and the outer valve plate 3 can be used independently respectively, and can also be used in a matching way of two or three. When any two valve plates are used, the opening directions of the two valve plates are opposite. When three valve plates are used, the opening directions of adjacent valve plates are kept opposite, and when the valve plates are adjusted, the inner valve plate 1 serves as a fine adjustment valve, and the middle valve plate 2 and the outer valve plate 3 serve as a coarse adjustment valve.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any replacement or change method that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention.
Claims (7)
1. A valve capable of reducing pipeline vibration is characterized by comprising an inner valve plate (1), a middle valve plate (2), an outer valve plate (3), an outer valve rod (4), a middle valve rod (5) and an inner valve rod (6), as well as an inner pipe (11), a middle pipe (12) and an outer pipe (13) which are coaxially arranged from inside to outside; the left ends of the inner pipe (11) and the middle pipe (12) are flush and are both positioned in the outer pipe (13), and the left end of the outer pipe (13) exceeds the inner pipe (11) and the middle pipe (12); a first cavity which is communicated left and right is arranged in the inner pipe (11), and the inner valve plate (1) is matched with the first cavity; a second cavity which is communicated left and right is formed between the inner pipe (11) and the middle pipe (12), and the middle valve plate (2) is matched with the second cavity; a third cavity which is communicated from left to right is formed between the middle pipe (12) and the outer pipe (13), and the outer valve plate (3) is matched with the third cavity; the inner valve plate (1), the middle valve plate (2) and the outer valve plate (3) are concentrically arranged in the outer pipe (13) and are positioned at the left end parts of the inner pipe (11) and the middle pipe (12); the outer valve rod (4) penetrates through the outer pipe (13) from top to bottom and is connected with the outer valve plate (3); the middle valve rod (5) penetrates through the outer valve rod (4) and the outer valve plate (3) from top to bottom and is connected with the middle valve plate (2); the inner valve rod (6) penetrates through the middle valve rod (5) and the middle valve plate (2) from top to bottom and is connected with the inner valve plate (1); the outer valve rod (4), the middle valve rod (5) and the inner valve rod (6) are coaxial; the joint position of the upper end of the outer valve rod (4) and the middle valve rod (5) and the joint position of the upper end of the middle valve rod (5) and the inner valve rod (6) are respectively sealed through corresponding sealing gaskets (8) and sealing bolts (7), and the joint position of the bottom of the outer valve rod (4) and the outer valve plate (3) is also provided with the sealing gaskets (8).
2. A valve with reduced conduit vibration according to claim 1, characterized in that bearings (9) are arranged between the outer valve rod (4) and the middle valve rod (5) and between the middle valve rod (5) and the inner valve rod (6).
3. A valve capable of reducing pipeline vibration according to claim 2, wherein the number of the bearings (9) arranged in the outer valve rod (4) is two, one above and one below; the number of the bearings (9) arranged in the middle valve rod is two, and the bearings are one above and one below.
4. A valve for reducing pipe vibration according to claim 1, wherein the right end of the middle pipe (12) extends beyond the inner pipe (11).
5. A valve capable of reducing pipeline vibration according to any one of claims 1 to 4, wherein a plurality of damping springs (10) are vertically arranged in the second cavity and the third cavity respectively and uniformly.
6. The valve for reducing the vibration of the pipeline according to claim 5, wherein the inner pipe (11) and the middle pipe (12) are uniformly distributed with a plurality of small holes.
7. A valve for reducing vibration of a pipeline according to claim 6, wherein the aperture of the small hole is 0.5-2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922009180.0U CN210890586U (en) | 2019-11-20 | 2019-11-20 | Valve capable of reducing pipeline vibration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922009180.0U CN210890586U (en) | 2019-11-20 | 2019-11-20 | Valve capable of reducing pipeline vibration |
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| Publication Number | Publication Date |
|---|---|
| CN210890586U true CN210890586U (en) | 2020-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922009180.0U Active CN210890586U (en) | 2019-11-20 | 2019-11-20 | Valve capable of reducing pipeline vibration |
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| Country | Link |
|---|---|
| CN (1) | CN210890586U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110735989A (en) * | 2019-11-20 | 2020-01-31 | 江苏方天电力技术有限公司 | valve capable of reducing pipeline vibration and use method thereof |
-
2019
- 2019-11-20 CN CN201922009180.0U patent/CN210890586U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110735989A (en) * | 2019-11-20 | 2020-01-31 | 江苏方天电力技术有限公司 | valve capable of reducing pipeline vibration and use method thereof |
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