CN107387656A - Bridge cable damper - Google Patents
Bridge cable damper Download PDFInfo
- Publication number
- CN107387656A CN107387656A CN201710751017.4A CN201710751017A CN107387656A CN 107387656 A CN107387656 A CN 107387656A CN 201710751017 A CN201710751017 A CN 201710751017A CN 107387656 A CN107387656 A CN 107387656A
- Authority
- CN
- China
- Prior art keywords
- piston
- bridge cable
- left piston
- right piston
- damping device
- 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.)
- Granted
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
- 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
- F16F15/022—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 dampers and springs in combination
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/16—Suspension cables; Cable clamps for suspension cables ; Pre- or post-stressed cables
-
- 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
- F16F15/08—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 rubber springs ; with springs made of rubber and metal
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
Bridge cable damper, it is characterised in that：Including being oriented to cylinder body, left piston, right piston, left piston bar, right piston bar, left piston bar, right piston bar, it is connected respectively with left piston, right piston by the pilot hole for being oriented to cylinder body both ends；Rubber damping device is provided between left piston and right piston, rubber damping device both ends are mutually fixed with left piston and right piston respectively；The electromagnetic damping device mutually fixed with left piston, right piston, left piston bar or right piston bar is respectively equipped with left piston room and right piston room；And it is provided with control device；When bridge cable Oscillation Amplitude is higher than default value, two electromagnetic damping device work produce attraction, the automatic Oscillation Amplitude for reducing beam drag-line, the present invention uses rubber damping at steady state, corresponding damping can be provided by electromagnetic damping device when concussion occurs in drag-line, is actively changed according to the size of suspension cable amplitude.
Description
Technical field
The present invention relates to drag-line bridge technology field, and in particular to bridge cable damper.
Background technology
As the main supporting member of cable-stayed bridge, suspension cable has that flexibility is big, the low (low order of general suspension cable of the natural frequency of vibration
Mode is in below 2Hz), each rank modal damping smaller (typically below 0.01) the features such as.In power such as wind, wind and rain, traffic
Easily cause the significantly vibration of suspension cable, or even diverging vibration under load action, have a strong impact on the endurance quality of suspension cable.It is existing
It can be found that following shortcoming in oil damper technology：Processed complex, when speed is larger, damping force rises very fast, is unfavorable for damping
The power consumption of device；Buffer air chamber adds the rigidity of vibration-proof structure, is unfavorable for the vibration damping of structure.
The content of the invention
The technical problem to be solved in the present invention is to be directed to above-mentioned the deficiencies in the prior art, there is provided bridge cable damper and bridge
Beam drag-line Damper Control device.In order to solve in high rubber cushion assembly to suspension cable damping ratio improve unobvious, oil damping and
MR damper leakage problem and design, at the same time it is wished that by inhaul cable vibration amplitude come control damper damp size and model
Enclose, there is compact-sized, easy to use, actively change damping.
In order to solve the above technical problems, the technical solution used in the present invention is：
Bridge cable damper, including it is oriented to cylinder body, left piston, right piston, left piston bar, right piston bar, left piston bar, right work
Stopper rod, it is connected respectively with left piston, right piston by the pilot hole for being oriented to cylinder body both ends；Rubber is provided between left piston and right piston
Glue damping device, rubber damping device both ends are mutually fixed with left piston and right piston respectively；Divide in left piston room and right piston room
The electromagnetic damping device that She You mutually do not fixed with left piston, right piston, left piston bar or right piston bar；And it is provided with control device；
When bridge cable Oscillation Amplitude is higher than default value, two electromagnetic damping device work produce attraction, and the automatic beam that reduces is drawn
The Oscillation Amplitude of rope.
Further, the both ends for being oriented to cylinder body are connected by end cap seal, described left piston bar one end with left piston, separately
One end is stretched out cylinder body and is connected with otic placode.Described right piston bar one end is connected with left piston, and the other end stretches out cylinder body and is connected with otic placode.
Further, the otic placode is provided with the free bearing being used for drag-line assembling.
Further, provided with telescopic sealing set, described sealing shroud one end connects the end cap, and the other end connects the ear
Plate.
Further, provided with wired pipe.The wired pipe can connect piston chamber and guide cylinder is external.
Further, the outer surface of cylinder block that is oriented to is provided with the suspension ring for being used for handling
Further, the control device includes vibrating sensor and analyzer-controller, vibrating sensor, analyzer-controller.
Further, difference of control of the described device to electromagnetic damping based on actual measurement Oscillation Amplitude with stable vibration amplitude
Value.
Further, when surveying vibration amplitude less than pre-given electromagnetic stabilization vibration amplitude, controller begins to send out stabilization
Signal is kept, when electromagnetic damping device active force is less than pre-determined stability magnetic force, the bridge cable Damper Control device stops
Only export.
It is using beneficial effect caused by above-mentioned technical proposal：The present invention uses rubber damping at steady state,
Corresponding damping can be provided by electromagnetic damping device when concussion occurs in drag-line, is actively changed according to the size of suspension cable amplitude；
It compensate for the shortcomings that high-damping rubber damper improves suspension cable damping difference；It compensate for the possible leakage of MR damper
Shortcoming.
Brief description of the drawings
Fig. 1 is the schematic appearance of bridge cable damper；
Fig. 2 is the sectional view of bridge cable damper；
Fig. 3 is bridge cable Damper Control device course of work schematic diagram.
Wherein：1st, it is oriented to cylinder body；2nd, left piston；3rd, right piston；4th, left piston bar；5th, right piston bar；6th, piston chamber；7th, it is electric
Magnetic damping device；8th, rubber damping device；9th, end cap；10th, otic placode；11st, free bearing；12nd, sealing shroud；13rd, wired pipe；14th, hang
Ring.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
A kind of embodiment referring to Figures 1 and 2, bridge cable damper, it is oriented to cylinder body 1, left piston 2, right piston 3, a left side
Piston rod 4, right piston bar 5, left piston bar 4, right piston bar 5, by be oriented to the pilot hole at the both ends of cylinder body 1 respectively with left piston 2,
Right piston 3 connects；Be provided with rubber damping device 8 between left piston 2 and right piston 3, the both ends of rubber damping device 8 respectively with left work
Plug 2 is mutually fixed with right piston 3；Be respectively equipped with left piston room and right piston room with left piston 2, right piston 3, left piston bar 4 or
The electromagnetic damping device 7 that the phase of right piston bar 5 is fixed；And it is provided with control device；When bridge cable Oscillation Amplitude is higher than default value
When, two electromagnetic damping device work produce attraction, the automatic Oscillation Amplitude for reducing beam drag-line.
Further, referring to Figures 1 and 2, the both ends for being oriented to cylinder body are by end cap seal, described one end of left piston bar 4
It is connected with left piston 2, the other end stretches out cylinder body and is connected with otic placode.Described one end of right piston bar 5 is connected with left piston 3, the other end
Cylinder body is stretched out with otic placode to be connected.
Further, 10 it is provided with the free bearing 11 being used for drag-line assembling referring to Figures 1 and 2.
Further, reference picture 2, provided with telescopic sealing set 12, described one end of sealing shroud 12 connects the end cap 9, separately
One end connects the otic placode 10.Sealing shroud 12 can stop bulky grain dust and liquid, play outer protection to piston rod.
Further, reference picture 2, provided with wired pipe 13.The wired pipe 13 can connect piston chamber 6 and be oriented to cylinder body
Outside 1.Wired pipe 13 is used for the importing of the export and external control signal of signal in cylinder to cylinder interior element.
Further, reference picture 2, it is oriented to the outer surface of cylinder body 1 and is provided with the suspension ring 14 for being used for handling, suspension ring 14 are drawn for bridge
The handling and handling of rope damper.
Bridge cable Damper Control device, to for drag-line bridge and have electromagnetic damping device 6 bridge cable hinder
Buddhist nun's device is controlled, and in the bridge cable Damper Control device, feeds back bridge cable vibration amplitude to control two electromagnetism
Magnetic force caused by coil, when bridge cable Oscillation Amplitude is higher than pre-given electromagnetic intervention vibration amplitude, controller sends control letter
Number, drag-line is corrected.
Further, difference of the correction based on actual measurement Oscillation Amplitude with stable vibration amplitude.
Further, when surveying vibration amplitude less than pre-given electromagnetic stabilization vibration amplitude, controller begins to send out stabilization
Signal is kept, when the active force of electromagnetic damping device 7 is less than pre-determined stability magnetic force, the bridge cable Damper Control device stops
Only export.
Referring to figs. 1 to Fig. 3, working method of the invention is that bridge cable damper is connected by free bearing 11 and bridge cable
Connect, shock sensor switchs to the vibration of bridge cable the analysis and Control that electric signal is transmitted to bridge cable Damper Control device
Device, analyzer-controller will work as fore stay vibration amplitude compared with pre-given electromagnetic intervention Oscillation Amplitude.
Such as when fore stay vibration amplitude is less than pre-given electromagnetic intervention Oscillation Amplitude, then bridge cable damper is without electromagnetism
Damping is intervened, and keeps bridge cable stable by rubber damping
When bridge cable Oscillation Amplitude is higher than pre-given electromagnetic intervention vibration amplitude, controller sends control signal, and drag-line is entered
Row correction.
When fore stay vibration amplitude vibration amplitude stable less than pre-given electromagnetic, controller begins to send out stable holding letter
Number, when the active force of electromagnetic damping device 6 is less than pre-determined stability magnetic force, the bridge cable Damper Control device stops defeated
Go out.
Foregoing is to example embodiment for example, and being not necessarily to be construed as the limitation to example embodiment.Although
Some example embodiments have been described, but those skilled in the art will be readily understood that, not depart from this substantially
In the case of disclosed novel teachings and advantage, many modifications in example embodiment are possible.Therefore, it is all these to repair
Change and be intended to be included in as defined by the appended claims within the scope of the present disclosure.It will be appreciated, therefore, that foregoing is to each
Kind of example embodiment for example, and should not be construed as limited to disclosed specific example embodiment, and to institute
The modification of disclosed example embodiment and other example embodiments is intended to be included within the scope of claim.
Claims (9)
1. bridge cable damper, it is characterised in that：Including being oriented to cylinder body, left piston, right piston, left piston bar, right piston bar,
Left piston bar, right piston bar, it is connected respectively with left piston, right piston by the pilot hole for being oriented to cylinder body both ends；Left piston and the right side
Rubber damping device is provided between piston, rubber damping device both ends are mutually fixed with left piston and right piston respectively；Left piston room
With the electromagnetic damping device mutually fixed with left piston, right piston, left piston bar or right piston bar is respectively equipped with right piston room；
And it is provided with control device；
When bridge cable Oscillation Amplitude is higher than default value, two electromagnetic damping device work produce attraction, automatic to reduce
The Oscillation Amplitude of beam drag-line.
2. bridge cable damper as claimed in claim 1, it is characterised in that：The both ends of the guiding cylinder body are close by end cap
Envelope, described left piston bar one end are connected with left piston, and the other end stretches out cylinder body and is connected with otic placode, described right piston bar one end and a left side
Piston is connected, and the other end stretches out cylinder body and is connected with otic placode.
3. bridge cable damper as claimed in claim 2, it is characterised in that：The otic placode, which is provided with, to be used to assemble with drag-line
Free bearing.
4. bridge cable damper as claimed in claim 2, it is characterised in that：Provided with sealing shroud, described sealing shroud one end connects
The end cap is connect, the other end connects the otic placode.
5. bridge cable damper as claimed in claim 1, it is characterised in that：It can connect provided with wired pipe described in wired pipe
Logical piston chamber and guide cylinder are external.
6. bridge cable damper as claimed in claim 1, it is characterised in that：The guiding outer surface of cylinder block, which is provided with, to be used to hang
The suspension ring of fortune.
7. bridge cable damper as claimed in claim 1, it is characterised in that：The control device include vibrating sensor and
Analyzer-controller.
8. bridge cable damper as claimed in claim 1, it is characterised in that：Control of the control device to electromagnetic damping
Difference based on actual measurement Oscillation Amplitude with stable vibration amplitude.
9. bridge cable damper as claimed in claim 1, it is characterised in that：When actual measurement vibration amplitude is steady less than pre-given electromagnetic
When determining vibration amplitude, controller begins to send out stable holding signal, when electromagnetic damping device active force is less than pre-determined stability magnetic force
When, the bridge cable Damper Control device stops output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710751017.4A CN107387656B (en) | 2017-08-28 | 2017-08-28 | Bridge inhaul cable damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710751017.4A CN107387656B (en) | 2017-08-28 | 2017-08-28 | Bridge inhaul cable damper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107387656A true CN107387656A (en) | 2017-11-24 |
| CN107387656B CN107387656B (en) | 2023-08-22 |
Family
ID=60346631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710751017.4A Active CN107387656B (en) | 2017-08-28 | 2017-08-28 | Bridge inhaul cable damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107387656B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108980259A (en) * | 2018-07-10 | 2018-12-11 | 杭州电子科技大学 | A kind of adaptive shimmy-damper suitable for electric car |
| CN109853361A (en) * | 2019-03-26 | 2019-06-07 | 中铁大桥科学研究院有限公司 | Rubber damping damper |
| CN110952437A (en) * | 2019-12-05 | 2020-04-03 | 重庆交通大学 | Electromagnetic type antidetonation prevents roof beam device that falls suitable for bridge structures |
| CN112681113A (en) * | 2020-12-15 | 2021-04-20 | 中铁大桥勘测设计院集团有限公司 | Multifunctional adjustable bridge electromagnetic damper and bridge |
| CN114087308A (en) * | 2021-11-22 | 2022-02-25 | 天津理工大学 | Electromagnetic type non-smooth vibration absorber |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1018222A (en) * | 1996-07-02 | 1998-01-20 | Sumitomo Rubber Ind Ltd | Cable stayed bridge damper |
| KR19980051027A (en) * | 1996-12-21 | 1998-09-15 | 박병재 | Electronic damper |
| KR20020050612A (en) * | 2000-12-21 | 2002-06-27 | 이계안 | Damper of vehicle |
| CN202937714U (en) * | 2012-11-15 | 2013-05-15 | 成都市翻鑫家科技有限公司 | Damping-adjustable spring shock absorber |
| CN202937713U (en) * | 2012-10-24 | 2013-05-15 | 成都市翻鑫家科技有限公司 | Electromagnetic shock absorber provided with displacement sensors |
| CN103410903A (en) * | 2013-07-22 | 2013-11-27 | 宁波鑫鑫鑫寅电气有限公司 | Damping rubber buffer |
| CN106763445A (en) * | 2017-01-06 | 2017-05-31 | 天津大学 | A kind of mutative damp variable rigidity control method of intellectual material shock absorber |
| CN107084218A (en) * | 2017-05-05 | 2017-08-22 | 东南大学 | A kind of adaptive controllable electromagnetic damper |
| CN207393837U (en) * | 2017-08-28 | 2018-05-22 | 河北建筑工程学院 | Bridge cable damper |
-
2017
- 2017-08-28 CN CN201710751017.4A patent/CN107387656B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1018222A (en) * | 1996-07-02 | 1998-01-20 | Sumitomo Rubber Ind Ltd | Cable stayed bridge damper |
| KR19980051027A (en) * | 1996-12-21 | 1998-09-15 | 박병재 | Electronic damper |
| KR20020050612A (en) * | 2000-12-21 | 2002-06-27 | 이계안 | Damper of vehicle |
| CN202937713U (en) * | 2012-10-24 | 2013-05-15 | 成都市翻鑫家科技有限公司 | Electromagnetic shock absorber provided with displacement sensors |
| CN202937714U (en) * | 2012-11-15 | 2013-05-15 | 成都市翻鑫家科技有限公司 | Damping-adjustable spring shock absorber |
| CN103410903A (en) * | 2013-07-22 | 2013-11-27 | 宁波鑫鑫鑫寅电气有限公司 | Damping rubber buffer |
| CN106763445A (en) * | 2017-01-06 | 2017-05-31 | 天津大学 | A kind of mutative damp variable rigidity control method of intellectual material shock absorber |
| CN107084218A (en) * | 2017-05-05 | 2017-08-22 | 东南大学 | A kind of adaptive controllable electromagnetic damper |
| CN207393837U (en) * | 2017-08-28 | 2018-05-22 | 河北建筑工程学院 | Bridge cable damper |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108980259A (en) * | 2018-07-10 | 2018-12-11 | 杭州电子科技大学 | A kind of adaptive shimmy-damper suitable for electric car |
| CN109853361A (en) * | 2019-03-26 | 2019-06-07 | 中铁大桥科学研究院有限公司 | Rubber damping damper |
| CN109853361B (en) * | 2019-03-26 | 2024-03-19 | 中铁大桥科学研究院有限公司 | Rubber vibration-damping damper |
| CN110952437A (en) * | 2019-12-05 | 2020-04-03 | 重庆交通大学 | Electromagnetic type antidetonation prevents roof beam device that falls suitable for bridge structures |
| CN110952437B (en) * | 2019-12-05 | 2021-06-18 | 重庆交通大学 | Electromagnetic type antidetonation prevents roof beam device that falls suitable for bridge structures |
| CN112681113A (en) * | 2020-12-15 | 2021-04-20 | 中铁大桥勘测设计院集团有限公司 | Multifunctional adjustable bridge electromagnetic damper and bridge |
| CN112681113B (en) * | 2020-12-15 | 2022-05-06 | 中铁武汉大桥工程咨询监理有限公司 | Multifunctional adjustable bridge electromagnetic damper and bridge |
| CN114087308A (en) * | 2021-11-22 | 2022-02-25 | 天津理工大学 | Electromagnetic type non-smooth vibration absorber |
| CN114087308B (en) * | 2021-11-22 | 2024-02-09 | 天津理工大学 | Electromagnetic non-smooth vibration absorber |
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| Publication number | Publication date |
|---|---|
| CN107387656B (en) | 2023-08-22 |
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