CN105909911B - Loine pressure fluctuates damper - Google Patents
Loine pressure fluctuates damper Download PDFInfo
- Publication number
- CN105909911B CN105909911B CN201610360505.8A CN201610360505A CN105909911B CN 105909911 B CN105909911 B CN 105909911B CN 201610360505 A CN201610360505 A CN 201610360505A CN 105909911 B CN105909911 B CN 105909911B
- Authority
- CN
- China
- Prior art keywords
- damping oil
- cylinder
- oil pocket
- damping
- inner flange
- 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
Classifications
-
- 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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/04—Devices damping pulsations or vibrations in fluids
- F16L55/045—Devices damping pulsations or vibrations in fluids specially adapted to prevent or minimise the effects of water hammer
- F16L55/05—Buffers therefor
-
- 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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/04—Devices damping pulsations or vibrations in fluids
- F16L55/045—Devices damping pulsations or vibrations in fluids specially adapted to prevent or minimise the effects of water hammer
- F16L55/05—Buffers therefor
- F16L55/052—Pneumatic reservoirs
- F16L55/053—Pneumatic reservoirs the gas in the reservoir being separated from the fluid in the pipe
- F16L55/054—Pneumatic reservoirs the gas in the reservoir being separated from the fluid in the pipe the reservoir being placed in or around the pipe from which it is separated by a sleeve-shaped membrane
Abstract
The present invention relates to a kind of loine pressure to fluctuate damper, including the cylinder in pipeline, the axis direction of cylinder is fluid cavity, damping oil pocket and compressed air cell are set gradually between fluid cavity and cylinder inboard wall, separated between fluid cavity and damping oil pocket by elastic inner membrane, damping oil intracavitary sets damping orifice plate group, compressed air cell includes elastic air pad, the elastic air pad and pressurising and the pressure detecting fittings for being arranged at cylinder body outer wall, cylinder both sides are connected through a screw thread inner flange and sealed by O-ring and back-up ring, inner flange coordinates the sealing for realizing damping oil pocket with elastic inner membrane, at least the inner flange of side is provided with connects and is provided with the through hole of plug with damping oil pocket, the inner flange of both sides is connected by circumferential uniform bolt with being used for respectively, the outward flange connection of downstream pipe.The peak value of the invention that fluid pulsation is effectively greatly reduced, ensure the service behaviour of equipment and annex, increase the service life.
Description
Technical field
The present invention relates to fluid delivery pipeline system noise reduction technology field, specifically a kind of loine pressure fluctuation abatement
Device.
Background technology
Pressure fluctuation caused by power source, compression shock and pipeline caused by system condition conversion in fluid delivery system
Pressure oscillation caused by break-make is all easily propagated along the fluid in pipeline, has a strong impact on the workability of devices in system and annex
Energy and service life.
The content of the invention
It is an object of the invention to overcome above-mentioned deficiency, there is provided a kind of loine pressure fluctuates damper, can effectively significantly
The peak value of fluid pulsation is reduced, ensures the service behaviour of equipment and annex, increase the service life.
To realize above-mentioned technical purpose, scheme provided by the invention is：A kind of loine pressure fluctuation damper, including located at
Cylinder in pipeline, the axis direction of cylinder is fluid cavity, set gradually between fluid cavity and cylinder inboard wall damping oil pocket and
Compressed air cell, separated between fluid cavity and damping oil pocket by elastic inner membrane, damping oil intracavitary sets damping orifice plate group, compression
Air chamber includes elastic air pad, the elastic air pad and pressurising and the pressure detecting fittings for being arranged at cylinder body outer wall, cylinder
Body both sides are connected through a screw thread inner flange and sealed by O-ring and back-up ring, and inner flange coordinates with elastic inner membrane to be realized
Damp oil pocket sealing, at least the inner flange of side be provided with damping oil pocket connect and be provided with plug through hole, both sides it is interior
Flange is connected by circumferential uniform bolt and the outward flange for connecting upstream and downstream pipeline respectively.
Moreover, damping orifice plate group includes multilayer tubular plate with holes, connection damping orifice plate group between every layer of tubular plate be present
The gap of inside and outside damping oil pocket, the damping oil of damping oil intracavitary can flow in the aperture in damping orifice plate group and gap.
Moreover, elastic air pad includes the air-cushion unit of multiple intercommunications.
The beneficial effects of the present invention are：It is simple in construction, it is skillfully constructed；Damping orifice plate group can be by rubbing fluid
Pressure fluctuation energy is converted into heat energy；Equivalent to one accumulator of the compound action of elastic air pad and elastic inner membrane, Ke Yiyou
Effect reduces the peak value of fluid pressure fluctuations.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is left view in Fig. 1.
Wherein, 1, bolt, 2, spring pad, 3, pad, 4, outward flange, 5, pressurising and pressure detecting joint, 6, cylinder, 7, bullet
Property mattress, 8, damping orifice plate group, 9, elastic inner membrane, 10, O-ring, 11, back-up ring, 12, inner flange, 13, plug.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described.
The present embodiment provides a kind of loine pressure fluctuation damper, as depicted in figs. 1 and 2, including the cylinder in pipeline
Body 6, the axis direction of cylinder 6 is fluid cavity, and damping oil pocket and compressed air are set gradually between fluid cavity and the inwall of cylinder 6
Chamber.
Separated between fluid cavity and damping oil pocket by elastic inner membrane 9.Elastic inner membrane 9 is used for fluid cavity and damping oil pocket
Separate, and the pressure oscillation in fluid cavity is delivered to damping oil pocket.
Damping oil intracavitary sets damping orifice plate group 8, and damping orifice plate group 8 includes multilayer tubular plate with holes, every layer of tubular plate
Between the gap of damping oil pocket inside and outside connection damping orifice plate group 8 be present, the damping oil of damping oil intracavitary can be in damping orifice plate
Flowed in aperture and gap in group 8.Kinetic energy is changed into heat energy by damping oil when being flowed in damping orifice plate group 8, by rubbing.
Compressed air cell includes elastic air pad 7, and elastic air pad 7 includes the air-cushion unit of multiple intercommunications.The elasticity is empty
Air cushion 7 connects with the pressurising and pressure detecting joint 5 for being arranged at the outer wall of cylinder 6, can be as needed from pressurising and pressure detecting
Gas is filled with joint 5 into elastic air pad 7, and detects the pressure in elastic air pad 7.
The both sides of cylinder 6 are connected through a screw thread inner flange 12 and sealed by O-ring 10 and back-up ring 11, inner flange 12
Coordinate the sealing for realizing damping oil pocket with elastic inner membrane 9.
At least the inner flange 12 of side is provided with connects and is provided with the through hole of plug 13 with damping oil pocket, assembles outward flange 4
Before, by the through hole on inner flange 12, damping oil will be filled in damping oil pocket.
The inner flange 12 of both sides connects upstream and downstream by circumferential uniform bolt 1, spring pad 2, pad 3 with being used for respectively
The outward flange 4 of pipeline connects.
The combination of elastic air pad 7 and elastic inner membrane 9, the peak value of fluid pulsation can effectively be greatly reduced.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvement or deformation can also be made, these are improved or deformation also should
It is considered as protection scope of the present invention.
Claims (3)
1. a kind of loine pressure fluctuates damper, including the cylinder in pipeline, it is characterised in that：The axis direction of cylinder
For fluid cavity, set gradually damping oil pocket and compressed air cell between fluid cavity and cylinder inboard wall, fluid cavity and damping oil pocket it
Between separated by elastic inner membrane, damping oil intracavitary sets damping orifice plate group, and compressed air cell includes elastic air pad, elasticity sky
Air cushion and pressurising and the pressure detecting fittings for being arranged at cylinder body outer wall, cylinder both sides are connected through a screw thread inner flange and led to
Cross O-ring and back-up ring is sealed, inner flange coordinates the inner flange of the sealing, at least side of realizing damping oil pocket with elastic inner membrane
It is provided with and the through hole of plug is connected and be provided with damping oil pocket, the inner flange of both sides is respectively by circumferential uniform bolt with being used for
Connect the outward flange connection of upstream and downstream pipeline.
2. loine pressure according to claim 1 fluctuates damper, it is characterised in that：It is with holes including multilayer to damp orifice plate group
Tubular plate, the gap of the damping oil pocket inside and outside connection damping orifice plate group between every layer of tubular plate be present.
3. loine pressure according to claim 1 fluctuates damper, it is characterised in that：Elastic air pad includes multiple intercommunications
Air-cushion unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610360505.8A CN105909911B (en) | 2016-05-28 | 2016-05-28 | Loine pressure fluctuates damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610360505.8A CN105909911B (en) | 2016-05-28 | 2016-05-28 | Loine pressure fluctuates damper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105909911A CN105909911A (en) | 2016-08-31 |
| CN105909911B true CN105909911B (en) | 2018-01-02 |
Family
ID=56742479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610360505.8A Expired - Fee Related CN105909911B (en) | 2016-05-28 | 2016-05-28 | Loine pressure fluctuates damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105909911B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108915975B (en) * | 2018-08-09 | 2020-07-17 | 山东禹王生态食业有限公司 | Pulsation reducing device for food high-pressure pump |
| CN109780361B (en) * | 2019-01-28 | 2020-10-09 | 大连大学 | Pipeline wide-frequency fluid pressure pulsation damper |
| CN114458855B (en) * | 2022-02-08 | 2022-10-14 | 燕山大学 | Fluid pulsation attenuator based on mass-spring system and vibration absorption method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1373967A1 (en) * | 1986-07-02 | 1988-02-15 | Предприятие П/Я А-1882 | Hydraulic pressure fluctuation damper |
| US6305421B1 (en) * | 1997-06-06 | 2001-10-23 | Eduard Kusters Maschinenfabrik Gmbh & Co. Kg | Tubular element and device equipped therewith for applying a fluid processing agent to a strip of fabric |
| CN2611657Y (en) * | 2003-01-23 | 2004-04-14 | 王祖林 | Pipeline accumulator |
| CN103388607A (en) * | 2013-08-06 | 2013-11-13 | 奉化市朝日液压有限公司 | Pipe type wave absorber |
| CN205781664U (en) * | 2016-05-28 | 2016-12-07 | 中国船舶重工集团公司第七一九研究所 | Loine pressure fluctuation damper |
-
2016
- 2016-05-28 CN CN201610360505.8A patent/CN105909911B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1373967A1 (en) * | 1986-07-02 | 1988-02-15 | Предприятие П/Я А-1882 | Hydraulic pressure fluctuation damper |
| US6305421B1 (en) * | 1997-06-06 | 2001-10-23 | Eduard Kusters Maschinenfabrik Gmbh & Co. Kg | Tubular element and device equipped therewith for applying a fluid processing agent to a strip of fabric |
| CN2611657Y (en) * | 2003-01-23 | 2004-04-14 | 王祖林 | Pipeline accumulator |
| CN103388607A (en) * | 2013-08-06 | 2013-11-13 | 奉化市朝日液压有限公司 | Pipe type wave absorber |
| CN205781664U (en) * | 2016-05-28 | 2016-12-07 | 中国船舶重工集团公司第七一九研究所 | Loine pressure fluctuation damper |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105909911A (en) | 2016-08-31 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180102 Termination date: 20180528 |