CN106609493A - Built-in damp damping device for stay cable - Google Patents
Built-in damp damping device for stay cable Download PDFInfo
- Publication number
- CN106609493A CN106609493A CN201611252384.1A CN201611252384A CN106609493A CN 106609493 A CN106609493 A CN 106609493A CN 201611252384 A CN201611252384 A CN 201611252384A CN 106609493 A CN106609493 A CN 106609493A
- Authority
- CN
- China
- Prior art keywords
- bearing
- damping device
- stay cable
- connecting cylinder
- cord clip
- 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
- 238000013016 damping Methods 0.000 title claims abstract description 29
- 239000000725 suspension Substances 0.000 claims description 20
- 238000009434 installation Methods 0.000 claims description 15
- 210000005069 ears Anatomy 0.000 claims description 10
- 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 3
- 230000000694 effects Effects 0.000 abstract 1
- 239000006096 absorbing agent Substances 0.000 description 6
- 239000003921 oil Substances 0.000 description 4
- 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
- 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
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007613 environmental effect 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
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- -1 ultraviolet Chemical compound 0.000 description 1
- 238000003466 welding Methods 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
Abstract
The invention discloses a built-in damp damping device of a stay cable. The built-in damp damping device comprises a supporting seat connecting cylinder, a waterproof hood connecting pipe, a cable clamp connector, two viscous dampers and a supporting seat, wherein the supporting seat connecting cylinder is connected with a bridge pre-buried pipe; the waterproof hood connecting pipe is mounted on the supporting seat connecting cylinder, and is connected with a waterproof hood; the cable clamp connector is mounted on an outer protecting pipe of the stay cable; the two viscous dampers are symmetrically mounted around the stay cable, and are separately connected with the cable clamp connector and a cylinder accessory; the cylinder accessory is connected with the supporting seat through a pin shaft; and the supporting seat is connected with the supporting seat connecting cylinder by a bolt. The built-in damp damping device disclosed by the invention is compact in structure; the mounting position of the built-in damp damping device is free from the interference of auxiliary structural members including guardrails and the like; the mounting is convenient, and the integral artistic of a bridge is not influenced; and besides, the dampers are in universal hinging connection, so that the dampers can be suitable for vibration in various directions of the inner part and the outer part of a stay cable surface can be adapted, and the damping effect is good.
Description
Technical field
The present invention relates to a kind of vibration absorber, especially, is related to a kind of energy and reduces and suppress the built-in of Inclined Cable Vibration
Damping device.
Background technology
With the continuous development of modern bridging technology, bridge span structure is towards tall and big, soft, low resistance trend development, 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 day by day increases, and draws
Rope also day by day increases.Suspension cable is one of main supporting member of cable-stayed bridge, because suspension cable quality is little, flexibility big, internal damping
Low reason, suspension cable produces vibration easily under extraneous environmental effect.Lasting inhaul cable vibration can cause drag-line and anchor head
The destruction of fatigue and overcoat, shortens the service life of drag-line, increased the maintenance and repair frequency and expense of bridge, also can make
Safety of the pedestrian to cable-stayed bridge throws doubt upon.Therefore, Inclined Cable Vibration is suppressed to be requisite.
Existing suspension cable damped products have a lot, such as built-in rubber absorbers and external antivibrator.It is built-in
Rubber absorbers are arranged in suspension cable and pre-buried ligament, predominantly rubber structure, and damping property is limited, can not meet large-scale
The damping requirements of bridge stay cable.External antivibrator is arranged between suspension cable and box beam, though damping property is good, structure
Product is huge, takes up room larger, affects bridge overall aesthetics.
The content of the invention
Present invention aim at provide a kind of stay cable internal damping device, to solve prior art in, it is built-in
Formula rubber absorbers damping property is limited, can not meet the damping requirements of large bridge suspension cable；External damper structure body
Product is huge, and take up room big technical problem.
For achieving the above object, the present invention provides a kind of stay cable internal damping device, including：
Bearing connecting cylinder, bucker connecting tube, cord clip connector, viscous damper and bearing；The bearing connecting cylinder and bridge
Built-in pipe connects, and the bucker connecting tube is arranged on the bearing connecting cylinder, and connects bucker；The cord clip connector
In the outer protection tube of suspension cable；The viscous damper is provided with two, and two viscous dampers are with the oblique pull
Rope is symmetrically installed, and the viscous damper is connected respectively with the cord clip connector and ears ring, the ears ring with described
Seat is connected by bearing pin, and 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；
Respectively positioned at the two ends of the cylinder body, the piston rod is arranged in the cylinder body end cap, 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 during installation and is buckled in the outer protection tube of the drag-line, is passed through
Second bolt is fixed；Fixed with universal adapter sleeve by the first bolt on the cord clip connector outer ring.
Further, the universal adapter sleeve includes：The secondary and interior ball pair of ectosphere；The interior ball pair is fixed on the viscous resistance
On Buddhist nun's device；It is two halves structure that the ectosphere is secondary, is fixed on the cord clip connector, and in the ectosphere pair oil groove and oiling are opened up
Hole；Secondary the embracing of the ectosphere is buckled on the interior ball pair sphere, can one way or another rotation.
Further, the inner ring of the cord clip connector is pasted with rubber blanket.
Further, the bearing is connected as drum type brake two halves repetitional structure, and band spiral shell is provided with the bearing connecting cylinder
The junction steel plate of keyhole, the connection of the junction steel plate and the bearing.
Further, the bucker connecting tube is drum type brake two halves repetitional structure, and two halves split during installation is integrated, one
End is enclosed within the bearing connecting cylinder, and the other end installs the bucker.
Further, the bearing includes base plate, is provided with the base plate in monaural ring, the monaural ring and installs relevant
Bearings.
The invention has the advantages that：
1st, the compact conformation, rationally, installation site is not interfered by Accessory Members such as guardrails, easy for installation, and does not affect bridge
Overall appearance is required.
2nd, the vibration absorber is arranged in built-in pipe, will not receive rain, snow, rain and snow mixed, hail, ice, mist, cigarette, wind, ozone, purple
The impact of the external environments such as outside line, sand, dirt, long service life, maintenance cost is low.
3rd, antivibrator two ends are connected using universal hinging, adapt to the vibration of all directions inside and outside suspension cable face, will not be blocked
It is parted by death strength.
4th, two viscous dampers are symmetrically installed, the vibration of all directions inside and outside drag-line face can be played preferably reduce and
Inhibitory action.
Description of the drawings
Below with reference to figure, the present invention is further detailed explanation.The accompanying drawing for constituting the part of the application is used for
A further understanding of the present invention is provided, the schematic description and description of the present invention is used to explain the present invention, does not constitute
Inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the structural representation 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；
Fig. 4 is the structural representation of bearing in stay cable internal damping device preferred embodiment of the present invention；
Fig. 5 is the structural representation of universal adapter sleeve in stay cable internal damping device preferred embodiment of the present invention.
Description of reference numerals：
1st, built-in pipe；2nd, bearing connecting cylinder；3rd, bucker connecting tube；4th, bucker；5th, suspension cable；6th, universal adapter sleeve；6-1、
Ectosphere pair；6-2, interior ball pair；7th, the first bolt；8th, viscous damper；8-1, piston rod；8-2, end cap；8-3, cylinder body；8-4, silicon
Oil；9th, ears ring；10th, bearing；10-1, base plate；10-2, monaural ring；11st, bolt；12nd, oscillating bearing；13rd, bearing pin；14th, rope
Folder；15th, the second bolt；16th, rubber blanket.
Specific embodiment
Embodiments of the invention are described in detail below in conjunction with accompanying drawing.
Fig. 1 and Fig. 2 is referred to, the preferred embodiments of the present invention provide a kind of stay cable internal damping device,
Including：Bearing connecting cylinder 2, bucker connecting tube 3, cord clip connector 14, viscous damper 8 and bearing 10；The bearing connection
Cylinder 2 is connected with bridge built-in pipe 1, and the bucker connecting tube 3 is arranged on the bearing connecting cylinder 2, and connects bucker 4；
The cord clip connector 14 is arranged in the outer protection tube of suspension cable 5；The viscous damper 8 is provided with two, and two described viscous
Stagnant antivibrator 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 is connected with the bearing 10 by bearing pin 13, and the bearing 10 passes through spiral shell with the bearing connecting cylinder 2
Bolt 11 connects.
During 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 arranged on bridge built-in pipe 1 and maintains static.Viscous damper 8 is arranged on cord clip connector
Between 14 and bearing 10, when suspension cable 5 vibrates, vibrational energy is dissipated by fluid linking damper 8, so as to the vibration to suspension cable 5
Play reduction and inhibitory action.This compact conformation, rationally, installation site is not interfered by Accessory Members such as guardrails, installation side
Just, bridge overall appearance requirement and is not affected.Vibration absorber be arranged on bridge built-in pipe 1 in, will not by rain, snow, rain and snow mixed,
The impact of the external environments such as hail, ice, mist, cigarette, wind, ozone, ultraviolet, sand, dirt, long service life, maintenance cost is low.Viscous resistance
The two ends of Buddhist nun's device 8 are connected using universal hinging, adapt to the vibration of all directions inside and outside the face of suspension cable 5, will not stuck other strength.Two
Viscous damper 8 is symmetrically installed, and the vibration to all directions inside and outside drag-line face can play preferably reduction and inhibitory action.
Refer to Fig. 3, it is preferable that to simplify the structure of viscous damper, the viscous damper 8 includes：Piston rod 8-
1st, end cap 8-2, cylinder body 8-3 and the silicone oil 8-4 that is filled in the cylinder body 8-3；The end cap 8-2 is located at respectively the cylinder body 8-
3 two ends, the piston rod 8-1 is 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, embraces during installation and is buckled in
In the outer protection tube of the drag-line 5, fixed by the second bolt 15；On the outer ring of cord clip connector 14 by the first bolt 7 with
Universal adapter sleeve 6 is fixed.
Refer to Fig. 5, it is preferable that the universal adapter 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 spheres, can be towards each
Individual direction rotates.
Preferably, the inner ring of the cord clip connector 14 is pasted with rubber blanket 16.Rubber blanket 16 couples positioned at the cord clip
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 to be provided with band in drum type brake two halves repetitional structure, 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 during in-site installation
Pipe（1）It is welded and fixed above and with electric welding, it is quick for installation.
Preferably, the bucker connecting tube 3 is drum type brake two halves repetitional structure, and two halves split during installation is integrated, one
End is enclosed within the bearing connecting cylinder 2, and the other end installs the bucker 4.One can be welded as during two halves repetitional structure split
Body can also be riveted tightly using screw, quick for installation.
Refer to Fig. 4, it is preferable that the bearing 10 includes base plate 10-1, and monaural ring 10- is provided with the base plate 10-1
2, oscillating bearing 12 is installed in the monaural ring 10-2.
The preferred embodiments of the present invention are the foregoing is only, the present invention is not limited to；For the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (8)
1. a kind of stay cable internal damping device, it is characterised in that include：
Bearing connecting cylinder（2）, bucker connecting tube（3）, cord clip connector（14）, viscous damper（8）And bearing（10）；It is described
Bearing connecting cylinder（2）With bridge built-in pipe（1）Connection, the bucker connecting tube（3）Installed in the bearing connecting cylinder（2）
On, and connect bucker（4）；The cord clip connector（14）Installed in suspension cable（5）Outer protection tube on；The viscous damper
（8）Two are provided with, two viscous dampers（8）With the suspension cable（5）It is symmetrically installed, the viscous damper（8）
Respectively with the cord clip connector（14）And ears ring（9）Connection, the ears ring（9）With the bearing（10）By bearing pin
（13）Connection, the bearing（10）With the bearing connecting cylinder（2）By bolt（11）Connection.
2. stay cable internal damping device as claimed 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 it is filled in the cylinder body（8-
3）Interior silicone oil（8-4）；The end cap（8-2）The cylinder body is located at respectively（8-3）Two ends, the piston rod（8-1）Wear
In the cylinder body（8-3）It is interior, the cylinder body（8-3）With the cord clip connector（14）It is hinged, the piston rod（8-1）One end
Connect the ears ring（9）.
3. stay cable internal damping device as claimed in claim 1, it is characterised in that：The cord clip connector（14）
For two halves structure, embrace during installation and be buckled in the drag-line（5）Outer protection tube on, by the second bolt（15）It is fixed；The cord clip connection
Fitting（14）Pass through the first bolt on outer ring（7）With universal adapter sleeve（6）It is fixed.
4. stay cable internal damping device as claimed in claim 3, it is characterised in that：The universal adapter sleeve（6）
Including：Ectosphere pair（6-1）With interior ball pair（6-2）；The interior ball pair（6-2）It is fixed on the viscous damper（8）On；It is described outer
Ball pair（6-1）For two halves structure, the cord clip connector is fixed on（14）On, the ectosphere pair（6-1）On open up oil groove and note
Oilhole；The ectosphere pair（6-1）Embrace and be buckled in the interior ball pair（6-2）On sphere, 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 blanket（16）.
6. the stay cable internal damping device as any one of claim 1-5, it is characterised in that：The bearing
Connecting cylinder（2）For drum type brake two halves repetitional structure, the bearing connecting cylinder（2）Inside it is provided with the junction steel plate in strap bolt hole, institute
Junction steel plate is stated with the bearing（10）Connection.
7. the stay cable internal damping device as any one of claim 1-5, it is characterised in that：The waterproof
Cover connecting tube（3）For drum type brake two halves repetitional structure, two halves split during installation is integrated, and one end is enclosed within the bearing connecting cylinder
（2）On, the other end installs the bucker（4）.
8. the stay cable internal damping device as any one of claim 1-5, it is characterised in that：The bearing
（10）Including base plate（10-1）, the base plate（10-1）On be provided with monaural ring（10-2）, the monaural ring（10-2）Interior installation
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 |
|---|---|
| CN106609493A true CN106609493A (en) | 2017-05-03 |
| CN106609493B CN106609493B (en) | 2018-08-10 |
Family
ID=58636755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611252384.1A Active CN106609493B (en) | 2016-12-30 | 2016-12-30 | Stay cable internal damping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106609493B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108086156A (en) * | 2017-12-27 | 2018-05-29 | 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 |
| CN108221669A (en) * | 2018-02-09 | 2018-06-29 | 柳州欧维姆机械股份有限公司 | A kind of built-in cable vibration absorber |
| 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 |
| CN112832129A (en) * | 2021-01-08 | 2021-05-25 | 中铁桥研科技有限公司 | Built-in damping device of stay cable |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08134835A (en) * | 1994-11-10 | 1996-05-28 | Shiyuto Kosoku Doro Kodan | Cable vibration damper |
| 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 |
-
2016
- 2016-12-30 CN CN201611252384.1A patent/CN106609493B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08134835A (en) * | 1994-11-10 | 1996-05-28 | Shiyuto Kosoku Doro Kodan | Cable vibration damper |
| 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 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108086156A (en) * | 2017-12-27 | 2018-05-29 | 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 |
| CN108221669A (en) * | 2018-02-09 | 2018-06-29 | 柳州欧维姆机械股份有限公司 | A kind of built-in cable vibration absorber |
| 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 |
| CN112832129A (en) * | 2021-01-08 | 2021-05-25 | 中铁桥研科技有限公司 | Built-in damping device of stay cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106609493B (en) | 2018-08-10 |
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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. |