CN106439301B - The passive absorbing ring of pipe-line system three-dimensional master - Google Patents
The passive absorbing ring of pipe-line system three-dimensional master Download PDFInfo
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- CN106439301B CN106439301B CN201610878260.8A CN201610878260A CN106439301B CN 106439301 B CN106439301 B CN 106439301B CN 201610878260 A CN201610878260 A CN 201610878260A CN 106439301 B CN106439301 B CN 106439301B
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- passive
- ring
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- shell
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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
- F16L21/00—Joints with sleeve or socket
- F16L21/06—Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/03—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using magnetic or electromagnetic means
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/073—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only leaf springs
-
- 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
- F16L55/041—Devices damping pulsations or vibrations in fluids specially adapted for preventing vibrations
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/06—Magnetic or electromagnetic
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2238/00—Type of springs or dampers
- F16F2238/02—Springs
- F16F2238/022—Springs leaf-like, e.g. of thin, planar-like metal
Abstract
The invention belongs to Control Technique of Vibration and Noise fields, more particularly to naval vessel pipeline vibration noise abatement.A kind of passive absorbing ring of pipe-line system three-dimensional master, technical solution are：It includes：Ring-shaped clip (1), 6 passive dynamic vibration absorbers of single-degree-of-freedom master (2)；The present invention has actively and passively two kinds of vibration suppression patterns.Active vibration suppression pattern is that the signal of vibration is measured using the sensor on pipeline structure, the coil current of 6 passive dynamic vibration absorbers of single-degree-of-freedom master on ring-shaped clip is controlled by adaptive control algorithm,, amplitude comparable power output opposite with pipeline line spectrum vibration phase is generated using electromagnetic induction principle, to offset the line spectrum vibration of pipeline, Active vibration suppression is realized；Passive vibration suppression pattern is the diaphragm spring by installing proper stiffness, tunes the respective rigidity of 6 passive dynamic vibration absorbers of single-degree-of-freedom master, it is made to have optimal rejection to the vibration of certain root line spectrum.
Description
Technical field
The invention belongs to Control Technique of Vibration and Noise fields, more particularly to naval vessel pipeline vibration noise abatement.
Background technology
Naval vessel largely uses sea pipeline system, and refrigerated sea water is provided for equipment.Wherein, the water pump of piping connection is being run
When will produce vibration, evoke the vibration of pipeline structure, to by pipeline support or sea pipeline, transmit these vibrations to hull,
Cause the vibration of hull, generates radiated noise, seriously affect the Sound stealth performance on naval vessel.Therefore research and development are directed to pipe-line system
Vibration control apparatus become urgent problem to be solved.
Although at present using passive damping technologies such as rubber-type pipeline supports, realizes and pipe-line system radio-frequency component is vibrated
Effective inhibition.However, the exciting force of pipe-line system generally comprises more low frequency spectrum lines, the vibration of these low frequency spectrum lines is difficult to pass through
Passive damping technology is effectively inhibited.For the vibration suppression problem of more low frequency spectrum lines of pipe-line system, inhaled using power
The technology of shaking is a kind of effective solution means.By installing ring-shaped clip additional on pipeline flange, and installed on the ring-shaped clip
Dynamic vibration absorber, using the physical characteristic of dynamic vibration absorber, the vibration of " absorption " low frequency spectrum lines vibrates low frequency spectrum lines to realize
Inhibition.The technological means has the advantages that safety reliability is high it is not necessary that pipeline structure is transformed.But traditional dynamic vibration absorber
It is mostly the passive shock-absorbing means of single-degree-of-freedom, vibration suppressioning effect is limited and can only be directed to single line spectrum, cannot be satisfied to pipeline
The multi-thread multidirectional vibration suppression of spectrum of system.To solve this problem, inhibit energy using the flexibility of active control technology, wideband
The advantages that power, research and development for pipeline vibration the passive powered shock absorption device of multi-direction master by necessarily grinding as this field
Study carefully direction.
Invention content
The purpose of the present invention is：A kind of passive absorbing ring of master that can be achieved to three direction Vibration Active Control of pipeline is provided.
The technical scheme is that：A kind of passive absorbing ring of pipe-line system three-dimensional master, it includes：Ring-shaped clip, 6 lists
The passive dynamic vibration absorber of degree of freedom master；
Ring-shaped clip is for realizing the connection with pipeline flange or pipeline, on ring-shaped clip, pipeline axial, radial and
Two passive dynamic vibration absorbers of single-degree-of-freedom master are respectively set on vertical direction；And two single-degree-of-freedom masters in each direction are passive
Dynamic vibration absorber is symmetrical along the plane of symmetry of ring-shaped clip in this direction；
Single-degree-of-freedom master is passive, and dynamic vibration absorber includes：Permanent magnet, shell, linear bearing, end cap, diaphragm spring, coil
Sleeve, guide rod and connector；
Shell one end open, one end have hollow cylinder boss；Permanent magnet is coaxially mounted in the centre bore of shell, permanent magnetism
Iron one end and shell inner bottom surface are affixed, and the other end is machined with the annular groove coaxial with its centre bore；Linear bearing is mounted on shell
In the hollow cylinder boss of end；End cap is mounted on the open end of shell；Diaphragm spring is the thin rounded flakes of middle part hollow out, coaxially
It fixes inside the housing；Loop sleeve is the hollow cylinder structure of one end open, is located at enclosure diaphragm spring and permanent magnet
Between, it is located in permanent magnet annular groove after the excircle wound around coil of open end, and between the groove outer wall of coil and permanent magnet has
Gap；Guide rod is located at after the centre bore of permanent magnet in the centre bore of linear bearing, and the other end sequentially passes through loop sleeve
It is connected with connector with after the centre bore of diaphragm spring, connector compresses diaphragm spring；Guide rod is located at diaphragm spring and coil set
Part between cylinder is provided with the shaft shoulder, and loop sleeve is fixed on the shaft shoulder；The passive dynamic vibration absorber of single-degree-of-freedom master passes through company
Fitting is mounted on ring-shaped clip.
The present invention the course of work be：First by ring-shaped clip clamping on pipeline flange or pipeline of the present invention, then
By the way that six passive dynamic vibration absorbers of single-degree-of-freedom master are mounted on ring-shaped clip.The present invention has actively and passively two kinds of vibration suppressions
Control model.Active vibration suppression pattern is that the signal of vibration is measured using the sensor on pipeline structure, is calculated by self adaptive control
Method control ring-shaped clip on 6 passive dynamic vibration absorbers of single-degree-of-freedom master coil current, using electromagnetic induction principle generate with
Line spectrum vibration phase is opposite, the comparable power output of amplitude, to offset the line spectrum vibration of pipeline, realizes Active vibration suppression；Quilt
Dynamic vibration suppression pattern is the diaphragm spring by installing proper stiffness, tunes the respective of 6 passive dynamic vibration absorbers of single-degree-of-freedom master
Rigidity makes it have optimal rejection to the vibration of certain root line spectrum.The axial difference of the passive dynamic vibration absorber of single-degree-of-freedom master
It is directed toward the axial, radial and vertical of pipeline, therefore power is acted to the axial, vertical of pipeline structure and radial direction simultaneously, is realized
Vibration suppression to three directions of pipeline structure.
Advantageous effect：(1) present invention is mounted on pipeline flange or pipeline, it is not necessary that pipeline structure, dismounting installation letter is transformed
Just；With the vibration suppression ability to three directions of pipeline, adapts to pipeline all directions complex vibration and inhibit operating mode；
(2) present invention has active and passive control model, and active control is realized by control coil electric current；It is closed by installing
The diaphragm spring of suitable rigidity can realize passive inhibition vibrate to certain root line spectrum, control model flexibly, simply, response speed
Soon, good reliability.
Description of the drawings
Fig. 1 is overall structure of the present invention and the scheme of installation on pipeline flange；
Fig. 2 is the structural schematic diagram of ring-shaped clip；
Fig. 3 is the surface structure schematic diagram of single-degree-of-freedom dynamic vibration absorber；
Fig. 4 is the sectional view of single-degree-of-freedom dynamic vibration absorber；
Fig. 5 is the Structure explosion diagram of single-degree-of-freedom dynamic vibration absorber；
Fig. 6 is course of work schematic diagram of the present invention；
Fig. 7 is the left view of Fig. 6.
Specific implementation mode
Referring to attached drawing, a kind of passive absorbing ring of pipe-line system three-dimensional master, it includes：1,6 single-degree-of-freedom masters of ring-shaped clip
Passive dynamic vibration absorber 2；
Ring-shaped clip 1 uses stainless steel material, is made of two and half clip 1-1, and structure type is hexagon or other are more
Side shape；The both sides of two and half clip 1-1 are bolted together by 2 respectively, between be lined with adjustment rubber pad 1-2；Annular
1 upper surface of clip, right side, front end face are each provided with 2 symmetrical threaded hole 1A, passive for connecting single-degree-of-freedom master
Dynamic vibration absorber 2；
The passive dynamic vibration absorber of single-degree-of-freedom master 2 includes：Permanent magnet 2-1, shell 2-2, linear bearing 2-3, end cap 2-4,
Diaphragm spring 2-5, loop sleeve 2-6, guide rod 2-7, threaded connector 2-8；Permanent magnet 2-1 be the high performance rare earth of neodymium iron boron forever
Magnet or high-performance permanent magnet, axial cross section are to fall " mountain font ", and there is axially extending bore, bottom end face to have screw thread at its center
Hole, permanent magnet 2-1 are coaxially located inside shell 2-2, and top is connected with shell 2-2 inner bottom surfaces by screw；Shell 2-2 is one
The cylindrical structure of end opening, cross section are round or rectangular, and open end is lower end, and multiple screw threads are provided on the annular surface of lower end
There are multiple uniformly distributed through-holes in hole, top surface；The top center of shell 2-2 has a hollow cylindrical boss, has on raised head face multiple
Threaded hole；Linear bearing 2-3 is flanged (FLGD) cylindrical structure, the open circles being mounted on by flange and screw at the top of shell 2-2
In column boss；End cap 2-4 is a cylindrical structure, is provided with groove on one side, there are multiple threaded holes at edge, are connected by screw
In the bottoms shell 2-2；Diaphragm spring 2-5 is spring steel or beryllium-bronze material, and shape is consistent with the shape of shell 2-2, has table
Face decorative pattern, middle part are the thin rounded flakes of hollow out, and there are multiple tapped through holes for connection at edge, pass through screw and shell 2-2
And end cap 2-4 is connected；Loop sleeve 2-6 is the hollow cylinder structure of one end open, has multiple threaded holes, coil on lower face
It is located in permanent magnet 2-1 annular grooves after the excircle wound around coil of the open ends sleeve 2-6, coil and table in the groove of permanent magnet 2-1
Outer wall has gap between face；Guide rod 2-7 is a flanged (FLGD) cylindrical structure, and front end is smooth guide rod, is had on flange multiple uniformly distributed
Connection through-hole, lower end is tapped, and the front end of guide rod 2-7 is across the centre bore of permanent magnet 2-1, the center of linear bearing 2-3
Hole, loop sleeve 2-6 centre bore, the flanged joint of loop sleeve 2-6 and guide rod 2-7 passes through diaphragm spring in the middle part of guide rod 2-7
The centre bore of 2-5, the lower ends guide rod 2-7 are connected by screw thread with threaded connector 2-8, and compress diaphragm spring 2-5；It is threadedly coupled
The structure that part 2-8 is the tapped cylinder boss in end, middle part is hexagon boss, central upper portion have and the lower ends guide rod 2-7
The threaded hole of cooperation；
The passive dynamic vibration absorber of 6 single-degree-of-freedom masters 2 is connected through a screw thread the ends part 2-8 with symmetrical layout type two-by-two
Screw thread 2B be mounted on ring-shaped clip 1 threaded hole 1A on.The axial direction of 6 bump levellers be respectively directed to the axial, vertical of pipeline and
It is radial.
Claims (6)
1. a kind of passive absorbing ring of pipe-line system three-dimensional master, it is characterized in that：It includes：Ring-shaped clip (1), 6 single-degree-of-freedom masters
Passive dynamic vibration absorber (2)；
The ring-shaped clip (1) is for realizing the connection with pipeline flange or pipeline, on the ring-shaped clip (1), pipeline
Axially, two passive dynamic vibration absorbers of single-degree-of-freedom master (2) are respectively radially and circumferentially set on direction；And in each direction two
The passive dynamic vibration absorber of single-degree-of-freedom master (2) is symmetrical along the plane of symmetry of the ring-shaped clip (1) in this direction；
The passive dynamic vibration absorber of single-degree-of-freedom master (2) includes：Permanent magnet (2-1), shell (2-2), linear bearing (2-3),
End cap (2-4), diaphragm spring (2-5), loop sleeve (2-6), guide rod (2-7) and connector (2-8)；
Shell (2-2) one end open, one end have hollow cylinder boss；The permanent magnet (2-1) is coaxially mounted to described
In the centre bore of shell (2-2), permanent magnet one end (2-1) and the shell (2-2) inner bottom surface are affixed, and the other end is machined with and it
The coaxial annular groove of centre bore；The linear bearing (2-3) is mounted in the hollow cylinder boss of the end the shell (2-2)；
The end cap (2-4) is mounted on the open end of the shell (2-2)；The diaphragm spring (2-5) is that the circle of middle part hollow out is thin
It is internal to be coaxially fixed on the shell (2-2) for piece；The loop sleeve (2-6) is the hollow cylinder structure of one end open, is located at
Between the internal diaphragm spring (2-5) of shell (2-2) and the permanent magnet (2-1), after the excircle wound around coil of open end
In the permanent magnet (2-1) annular groove, and the groove outer wall of coil and permanent magnet (2-1) has gap；The guide rod (2-7)
One end is located at after the centre bore of permanent magnet (2-1) in the centre bore of the linear bearing (2-3), and the other end sequentially passes through line
It is connected with the connector (2-8) after the centre bore of snare cylinder (2-6) and diaphragm spring (2-5), the connector (2-8) compresses
The diaphragm spring (2-5)；The guide rod (2-7) is located at the setting of the part between diaphragm spring (2-5) and loop sleeve (2-6)
There are the shaft shoulder, the loop sleeve (2-6) to be fixed on the shaft shoulder；The passive dynamic vibration absorber of single-degree-of-freedom master (2) passes through company
Fitting (2-8) is mounted on the ring-shaped clip (1).
2. the passive absorbing ring of pipe-line system three-dimensional master according to claim 1, it is characterized in that：The ring-shaped clip (1) is adopted
With stainless steel material, structure type is hexagon or other polygons.
3. the passive absorbing ring of pipe-line system three-dimensional master according to claim 1 or 2, it is characterized in that：The ring-shaped clip (1)
By being formed after identical half clip (1-1) docking of two structure types；It is lined with adjustment rubber between two half clips (1-1)
It pads (1-2).
4. the passive absorbing ring of pipe-line system three-dimensional master according to claim 1 or 2, it is characterized in that：The single-degree-of-freedom master
The outer profile of the shell (2-2) of passive dynamic vibration absorber (2) is round or rectangular.
5. the passive absorbing ring of pipe-line system three-dimensional master according to claim 1 or 2, it is characterized in that：The permanent magnet (2-1)
For the high performance rare-earth permanent magnet of neodymium iron boron.
6. the passive absorbing ring of pipe-line system three-dimensional master according to claim 1 or 2, it is characterized in that：Diaphragm spring (the 2-
5) it is spring steel or beryllium-bronze material, surface has decorative pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610878260.8A CN106439301B (en) | 2016-10-08 | 2016-10-08 | The passive absorbing ring of pipe-line system three-dimensional master |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610878260.8A CN106439301B (en) | 2016-10-08 | 2016-10-08 | The passive absorbing ring of pipe-line system three-dimensional master |
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| Publication Number | Publication Date |
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| CN106439301A CN106439301A (en) | 2017-02-22 |
| CN106439301B true CN106439301B (en) | 2018-07-20 |
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| CN201610878260.8A Expired - Fee Related CN106439301B (en) | 2016-10-08 | 2016-10-08 | The passive absorbing ring of pipe-line system three-dimensional master |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106678274A (en) * | 2017-03-03 | 2017-05-17 | 哈尔滨工程大学 | Shafting longitudinal vibration absorber based on piezoelectric stack |
| CN107387635B (en) * | 2017-07-28 | 2018-06-19 | 南京航空航天大学 | A kind of oil pipeline three-dimensional bump leveller |
| CN107606017B (en) * | 2017-08-31 | 2019-07-16 | 哈尔滨工程大学 | A kind of active shock-absorbing means suitable for different tube diameters pipe-line system that nylon tape is fastenedly connected |
| CN108412949B (en) * | 2018-03-27 | 2019-09-20 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | The rigidity dynamic vibration absorbers such as a kind of pipeline is adaptive |
| CN108869944B (en) * | 2018-09-13 | 2020-05-19 | 中国核动力研究设计院 | Active control arrangement method and control system for pipeline vibration line spectrum |
| CN109458426A (en) * | 2018-11-23 | 2019-03-12 | 中国船舶重工集团公司第七〇九研究所 | A kind of New Type Vibration Isolator Using |
| CN109373054B (en) * | 2018-11-28 | 2024-03-01 | 中国船舶集团有限公司第七〇四研究所 | Self-limiting adjustable low-rigidity pipeline elastic support |
| CN112901889B (en) * | 2021-01-27 | 2022-03-22 | 中联重科股份有限公司 | Pipeline support vibration damping device and method and engineering machinery |
| CN113883353B (en) * | 2021-09-18 | 2023-11-03 | 苏州东菱智能减振降噪技术有限公司 | Six-degree-of-freedom pipeline vibration damper and vibration damping method |
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