CN106609493B - Stay cable internal damping device - Google Patents
Stay cable internal damping device Download PDFInfo
- Publication number
- CN106609493B CN106609493B CN201611252384.1A CN201611252384A CN106609493B CN 106609493 B CN106609493 B CN 106609493B CN 201611252384 A CN201611252384 A CN 201611252384A CN 106609493 B CN106609493 B CN 106609493B
- Authority
- CN
- China
- Prior art keywords
- bearing
- cord clip
- connecting cylinder
- damping device
- internal damping
- 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.)
- Active
Links
- 238000013016 damping Methods 0.000 title claims abstract description 25
- 239000000725 suspension Substances 0.000 claims abstract description 26
- 238000009434 installation Methods 0.000 claims abstract description 17
- 210000005069 ears Anatomy 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 229920002545 silicone oil Polymers 0.000 claims description 4
- 230000001629 suppression Effects 0.000 abstract 1
- 239000006096 absorbing agent Substances 0.000 description 6
- 230000002401 inhibitory effect Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 210000003041 ligament Anatomy 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- -1 ultraviolet light Chemical compound 0.000 description 1
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D11/00—Suspension or cable-stayed bridges
- E01D11/04—Cable-stayed bridges
-
- 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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
-
- 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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
- F16F9/3221—Constructional features of piston rods
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of stay cable internal damping devices, including:Bearing connecting cylinder, waterproof cover connecting tube, cord clip connector, viscous damper and bearing;The bearing connecting cylinder is connect with bridge built-in pipe, and the waterproof cover connecting tube is mounted on the bearing connecting cylinder, and connects waterproof cover;The cord clip connector is mounted in the outer protection tube of suspension cable;There are two the viscous damper settings, two viscous dampers are symmetrically installed with the suspension cable, the viscous damper is connect with the cord clip connector and ears ring respectively, the ears ring is connect with the bearing by axis pin, and the bearing is bolted with the bearing connecting cylinder.Structure of the invention is compact, and installation site is not interfered by Accessory Members such as guardrails, easy for installation and not influence bridge overall beautiful, and damper is that universal hinging connection adapts to all directions inside and outside drag-line face and vibrates, and effectiveness in vibration suppression is preferable.
Description
Technical field
The present invention relates to a kind of vibration absorbers, particularly, are related to a kind of to reduce and inhibit the built-in of Inclined Cable Vibration
Damping device.
Background technology
With the continuous development of modern bridging technology, bridge span structure develops towards tall and big, soft, low resistance trend development
Overlength, Long span Flexible bridge are a kind of international trend.The cable-stayed bridge span built in recent years both at home and abroad increasingly increases, and draws
Rope also increasingly increases.Suspension cable is one of main supporting member of cable-stayed bridge, since suspension cable quality is small, flexibility is big, internal damping
Low reason, suspension cable easily generate vibration under the influence of external environment.Lasting inhaul cable vibration can cause drag-line and anchor head
The destruction of fatigue and protective layer, shortens the service life of drag-line, increases the maintenance and repair frequency and expense of bridge, can also make
Pedestrian throws doubt upon to the safety of cable-stayed bridge.Therefore, it is essential to inhibit Inclined Cable Vibration.
Existing suspension cable damped products have very much, such as built-in rubber absorbers and external damper.It is built-in
Rubber absorbers are mounted in suspension cable and pre-buried ligament, predominantly rubber structure, and damping property is limited, can not meet large size
The damping requirements of bridge stay cable.External damper is mounted between suspension cable and box beam, though damping property is good, structure
Product is huge, and occupied space is larger, influences bridge overall aesthetics.
Invention content
Present invention aims at a kind of stay cable internal damping devices of offer, built-in to solve in the prior art
Formula rubber absorbers damping property is limited, can not meet the damping requirements of large bridge suspension cable;External damper structure body
Huge, the big technical problem of occupied space of product.
To achieve the above object, the present invention provides a kind of stay cable internal damping device, including:
Bearing connecting cylinder, waterproof cover connecting tube, cord clip connector, viscous damper and bearing;The bearing connecting cylinder with
Bridge built-in pipe connects, and the waterproof cover connecting tube is mounted on the bearing connecting cylinder, and connects waterproof cover;The cord clip connection
Fitting is mounted in the outer protection tube of suspension cable;There are two the viscous damper settings, and two viscous dampers are with described
Suspension cable is symmetrically installed, and the viscous damper is connect with the cord clip connector and ears ring respectively, the ears ring and institute
It states bearing to connect by axis pin, the bearing is bolted with the bearing connecting cylinder.
Further, the viscous damper includes:Piston rod, end cap, cylinder body and the silicone oil being filled in the cylinder body;
The end cap is located at the both ends of the cylinder body, and the piston rod is arranged in the cylinder body, the cylinder body and the cord clip
Connector is hinged, and one end of the piston rod connects the ears ring.
Further, the cord clip connector is two halves structure, embraces when installation and is buckled in the outer protection tube of the suspension cable, leads to
The second bolt is crossed to fix;The cord clip connector is fixed on outer ring by the first bolt and universal connector sleeve.
Further, the universal connector sleeve includes:Ectosphere pair and interior ball pair;The interior ball pair is fixed on the viscous resistance
On Buddhist nun's device;The ectosphere pair is two halves structure, is fixed on the cord clip connector, oil groove and oiling are opened up in the ectosphere pair
Hole;The ectosphere pair is embraced and is buckled on the interior ball pair spherical surface, can one way or another rotation.
Further, the inner ring of the cord clip connector is pasted with rubber pad.
Further, the bearing is connected as drum type brake two halves repetitional structure, and band spiral shell is provided in the bearing connecting cylinder
The junction steel plate of keyhole, the connection of the junction steel plate and the bearing.
Further, the waterproof cover connecting tube is drum type brake two halves repetitional structure, when installation two halves split be integrated, one
For end cap on the bearing connecting cylinder, the other end installs the waterproof cover.
Further, the bearing includes bottom plate, and monaural ring is provided on the bottom plate, and installation is related in the monaural ring
Bearings.
The invention has the advantages that:
1, this is compact-sized, reasonable, and installation site is not interfered by Accessory Members such as guardrails, easy for installation, and is not influenced
The overall beautiful requirement of bridge.
2, the vibration absorber is mounted in built-in pipe, will not be by rain, snow, rain and snow mixed, hail, ice, mist, cigarette, wind, ozone, purple
The influence of the external environments such as outside line, sand, dirt, service life is long, and maintenance cost is low.
3, damper both ends are all made of universal hinging connection, adapt to the vibration of all directions inside and outside suspension cable face, will not block
It is parted by death strength.
4, two viscous dampers are symmetrically installed, to the vibration of all directions inside and outside drag-line face can play it is preferable reduce and
Inhibiting effect.
Description of the drawings
Below with reference to figure, the present invention is described in further detail.The attached drawing constituted part of this application is used for
A further understanding of the present invention is provided, the illustrative embodiments of the present invention and their descriptions are used to explain the present invention, does not constitute
Inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of stay cable internal damping device preferred embodiment of the present invention;
Fig. 2 is the sectional view of A-A in Fig. 1;
Fig. 3 is the structural representation of viscous damper in stay cable internal damping device preferred embodiment of the present invention
Figure;
Fig. 4 is the structural schematic diagram of bearing in stay cable internal damping device preferred embodiment of the present invention;
Fig. 5 is the structural representation of universal connector sleeve in stay cable internal damping device preferred embodiment of the present invention
Figure.
Reference sign:
1, built-in pipe;2, bearing connecting cylinder;3, waterproof cover connecting tube;4, waterproof cover;5, suspension cable;6, universal connector sleeve;
6-1, ectosphere pair;6-2, interior ball pair;7, the first bolt;8, viscous damper;8-1, piston rod;8-2, end cap;8-3, cylinder body;8-
4, silicone oil;9, ears ring;10, bearing;10-1, bottom plate;10-2, monaural ring;11, bolt;12, oscillating bearing;13, axis pin;14、
Cord clip connector;15, the second bolt;16, rubber pad.
Specific implementation mode
The embodiment of the present invention is described in detail below in conjunction with attached drawing.
It please refers to Fig.1 and Fig. 2, the preferred embodiment of the present invention provides a kind of stay cable internal damping device,
Including:Bearing connecting cylinder 2, waterproof cover connecting tube 3, cord clip connector 14, viscous damper 8 and bearing 10;The bearing connection
Cylinder 2 is connect with bridge built-in pipe 1, and the waterproof cover connecting tube 3 is mounted on the bearing connecting cylinder 2, and connects waterproof cover 4;
The cord clip connector 14 is mounted in the outer protection tube of suspension cable 5;There are two the settings of the viscous damper 8, and two described viscous
Stagnant damper 8 is symmetrically installed with the suspension cable 5, the viscous damper 8 respectively with the cord clip connector 14 and ears ring 9
Connection, the ears ring 9 are connect with the bearing 10 by axis pin 13, and the bearing 10 passes through spiral shell with the bearing connecting cylinder 2
Bolt 11 connects.
When work, cord clip connector 14 is fixed on suspension cable 5, is vibrated with suspension cable 5.Bearing 10 is fixed on bearing
On connecting cylinder 2, bearing connecting cylinder 2 is mounted on fixed on bridge built-in pipe 1.Viscous damper 8 is mounted on cord clip connector
Between 14 and bearing 10, when suspension cable 5 vibrates, vibrational energy is dissipated by fluid linking damper 8, to the vibration to suspension cable 5
Play reduction and inhibiting effect.This compact-sized, reasonable, installation site is not interfered by Accessory Members such as guardrails, installation side
Just, the overall beautiful requirement of bridge and is not influenced.Vibration absorber be mounted on bridge built-in pipe 1 in, will not by rain, snow, rain and snow mixed,
The influence of the external environments such as hail, ice, mist, cigarette, wind, ozone, ultraviolet light, sand, dirt, service life is long, and maintenance cost is low.Viscous resistance
8 both ends of Buddhist nun's device are all made of universal hinging connection, adapt to the vibration of all directions inside and outside 5 face of suspension cable, will not stuck other strength.Two
Viscous damper 8 is symmetrically installed, and preferable reduction and inhibiting effect can be played to the vibration of all directions inside and outside drag-line face.
Referring to Fig. 3, preferably, to simplify the structure of viscous damper, the viscous damper 8 includes:Piston rod 8-
1, end cap 8-2, cylinder body 8-3 and the silicone oil 8-4 being filled in the cylinder body 8-3;The end cap 8-2 is located at the cylinder body 8-
3 both ends, the piston rod 8-1 are arranged in the cylinder body 8-3, and the cylinder body 8-3 is hinged with the cord clip connector 14, institute
The one end for stating piston rod 8-1 connects the ears ring 9.
Preferably, for ease of the installation of cord clip connector, the cord clip connector 14 is two halves structure, and when installation, which embraces, to be buckled in
In the outer protection tube of the suspension cable 5, fixed by the second bolt 15;Pass through the first bolt 7 on 14 outer ring of cord clip connector
It is fixed with universal connector sleeve 6.
Referring to Fig. 5, preferably, the universal connector sleeve 6 includes:Ectosphere secondary 6-1 and interior ball secondary 6-2;The interior ball pair
6-2 is fixed on the viscous damper 8;The ectosphere secondary 6-1 is two halves structure, is fixed on the cord clip connector 14,
Oil groove and oil filler point are opened up on the ectosphere secondary 6-1;The ectosphere secondary 6-1 is embraced and is buckled on the interior ball secondary 6-2 spherical surfaces, can be towards each
A direction rotation.
Preferably, the inner ring of the cord clip connector 14 is pasted with rubber pad 16.Rubber pad 16 is located at cord clip connection
Between part 14 and the suspension cable 5, the enclasping force of cord clip connector can be increased.
Preferably, the bearing connecting cylinder 2 is drum type brake two halves repetitional structure, and band is provided in the bearing connecting cylinder 2
The junction steel plate of bolt hole, the connection of the junction steel plate and the bearing 10.Using two halves split pre-buried when in-site installation
It is quick for installation on pipe (1) and with being welded and fixed.
Preferably, the waterproof cover connecting tube 3 is drum type brake two halves repetitional structure, when installation two halves split be integrated, one
For end cap on the bearing connecting cylinder 2, the other end installs the waterproof cover 4.It can be welded as one when two halves repetitional structure split
Body can also be riveted tightly using screw, quick for installation.
Referring to Fig. 4, preferably, the bearing 10 includes being provided with monaural ring 10- on bottom plate 10-1, the bottom plate 10-1
Oscillating bearing 12 is installed in 2, the monaural ring 10-2.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention;For the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of stay cable internal damping device, which is characterized in that including:
Bearing connecting cylinder (2), waterproof cover connecting tube (3), cord clip connector (14), viscous damper (8) and bearing (10);It is described
Bearing connecting cylinder (2) is connect with bridge built-in pipe (1), and the waterproof cover connecting tube (3) is mounted on the bearing connecting cylinder (2)
On, and connect waterproof cover (4);The cord clip connector (14) is mounted in the outer protection tube of suspension cable (5);The viscous damper
(8) there are two setting, two viscous dampers (8) are symmetrically installed with the suspension cable (5), the viscous damper (8)
It is connect respectively with the cord clip connector (14) and ears ring (9), the ears ring (9) passes through axis pin with the bearing (10)
(13) it connects, the bearing (10) is connect with the bearing connecting cylinder (2) by bolt (11).
2. stay cable internal damping device as described in claim 1, it is characterised in that:The viscous damper (8)
Including:Piston rod (8-1), end cap (8-2), cylinder body (8-3) and the silicone oil (8-4) being filled in the cylinder body (8-3);The end
Lid (8-2) is located at the both ends of the cylinder body (8-3), and the piston rod (8-1) is arranged in the cylinder body (8-3), described
Cylinder body (8-3) is hinged with the cord clip connector (14), and one end of the piston rod (8-1) connects the ears ring (9).
3. stay cable internal damping device as described in claim 1, it is characterised in that:The cord clip connector (14)
For two halves structure, when installation, which embraces, to be buckled in the outer protection tube of the suspension cable (5), and it is fixed to pass through the second bolt (15);The cord clip
It is fixed by the first bolt (7) and universal connector sleeve (6) on connector (14) outer ring.
4. stay cable internal damping device as claimed in claim 3, it is characterised in that:The universal connector sleeve (6)
Including:Ectosphere pair (6-1) and interior ball are secondary (6-2);The interior ball secondary (6-2) is fixed on the viscous damper (8);It is described outer
Ball pair (6-1) is two halves structure, is fixed on the cord clip connector (14), and oil groove and note are opened up on the ectosphere secondary (6-1)
Oilhole;The ectosphere secondary (6-1), which is embraced, to be buckled on secondary (6-2) spherical surface of the interior ball, can one way or another rotation.
5. stay cable internal damping device as claimed in claim 3, it is characterised in that:The cord clip connector (14)
Inner ring be pasted with rubber pad (16).
6. the stay cable internal damping device as described in any one of claim 1-5, it is characterised in that:The bearing
Connecting cylinder (2) is drum type brake two halves repetitional structure, and the junction steel plate in strap bolt hole, institute are provided in the bearing connecting cylinder (2)
State the connection of junction steel plate and the bearing (10).
7. the stay cable internal damping device as described in any one of claim 1-5, it is characterised in that:The waterproof
Cover connecting tube (3) is drum type brake two halves repetitional structure, when installation two halves split be integrated, one end is sleeved on the bearing connecting cylinder
(2) on, the other end installs the waterproof cover (4).
8. the stay cable internal damping device as described in any one of claim 1-5, it is characterised in that:The bearing
(10) include bottom plate (10-1), monaural ring (10-2) is provided on the bottom plate (10-1), is installed in the monaural ring (10-2)
There is oscillating bearing (12).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611252384.1A CN106609493B (en) | 2016-12-30 | 2016-12-30 | Stay cable internal damping device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611252384.1A CN106609493B (en) | 2016-12-30 | 2016-12-30 | Stay cable internal damping device |
Publications (2)
Publication Number | Publication Date |
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CN106609493A CN106609493A (en) | 2017-05-03 |
CN106609493B true CN106609493B (en) | 2018-08-10 |
Family
ID=58636755
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201611252384.1A Active CN106609493B (en) | 2016-12-30 | 2016-12-30 | Stay cable internal damping device |
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CN (1) | CN106609493B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108086156B (en) * | 2017-12-27 | 2019-04-16 | 重庆万桥交通科技发展有限公司 | A kind of combined type oblique pull string water proof cover |
CN108221669B (en) * | 2018-02-09 | 2023-10-20 | 柳州欧维姆机械股份有限公司 | Built-in cable vibration damper |
CN111549665A (en) * | 2020-04-07 | 2020-08-18 | 江苏法尔胜缆索有限公司 | Fire-resistant built-in damping stay cable |
CN112832129B (en) * | 2021-01-08 | 2022-09-13 | 中铁桥研科技有限公司 | Built-in damping device of stay cable |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2926306Y (en) * | 2006-07-06 | 2007-07-25 | 同济大学 | Sticky shearing damper for stayed-cable vibration reduction |
CN202755295U (en) * | 2012-07-05 | 2013-02-27 | 大连理工大学 | Liquid viscous damper with operating switch |
CN103074947A (en) * | 2013-01-11 | 2013-05-01 | 株洲时代新材料科技股份有限公司 | Tuned mass damper adjustable in three directions |
CN105134856A (en) * | 2015-09-21 | 2015-12-09 | 无锡市弘谷振控技术有限公司 | Stay cable external closed drum type viscous shearing damper |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3127191B2 (en) * | 1994-11-10 | 2001-01-22 | 首都高速道路公団 | Cable damping device |
-
2016
- 2016-12-30 CN CN201611252384.1A patent/CN106609493B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2926306Y (en) * | 2006-07-06 | 2007-07-25 | 同济大学 | Sticky shearing damper for stayed-cable vibration reduction |
CN202755295U (en) * | 2012-07-05 | 2013-02-27 | 大连理工大学 | Liquid viscous damper with operating switch |
CN103074947A (en) * | 2013-01-11 | 2013-05-01 | 株洲时代新材料科技股份有限公司 | Tuned mass damper adjustable in three directions |
CN105134856A (en) * | 2015-09-21 | 2015-12-09 | 无锡市弘谷振控技术有限公司 | Stay cable external closed drum type viscous shearing damper |
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Publication number | Publication date |
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CN106609493A (en) | 2017-05-03 |
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Effective date of registration: 20231116 Address after: 214101 No. 3, zone a, science and Technology Industrial Park, Xishan Economic Development Zone, Wuxi City, Jiangsu Province Patentee after: Jiangsu Honggu Damping Technology Co.,Ltd. Address before: 214000 Building 3, Zone A, Science and Technology Industrial Park, Xishan Economic Development Zone, Wuxi City, Jiangsu Province Patentee before: WUXI HONGGU ZHENKONG TECHNOLOGY Co.,Ltd. |