CN219450410U - Stay cable damper and combined stay cable damping device - Google Patents
Stay cable damper and combined stay cable damping device Download PDFInfo
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- CN219450410U CN219450410U CN202320657425.4U CN202320657425U CN219450410U CN 219450410 U CN219450410 U CN 219450410U CN 202320657425 U CN202320657425 U CN 202320657425U CN 219450410 U CN219450410 U CN 219450410U
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- 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
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Abstract
The utility model discloses a stay cable damper and a combined stay cable damping device, and relates to the technical field of structural vibration; the accommodating box is sleeved on the stay cable, a gap is reserved between the accommodating box and the stay cable, and the accommodating box is provided with an annular accommodating space for accommodating viscous materials; and the inserting plate assembly is arranged outside the cable clamp and is inserted into the adhesive material. When using this suspension cable attenuator, press from both sides the cable clamp and establish on the suspension cable, hold the box cover and establish on the suspension cable, and leave the clearance with the suspension cable, hold the box and do not vibrate when making the suspension cable vibrate, hold the box and be equipped with the cover and establish the accommodation space in the suspension cable outside, hold viscous material in the accommodation space, the picture peg subassembly is established in the cable clamp outside, the picture peg subassembly is inserted and is established in viscous material, it consumes energy to cut the viscous material who holds in the accommodation box, it is equipped with the accommodation space who holds viscous material to hold the box, can prevent that viscous material from spilling when suspension cable and bridge floor contained angle are too big.
Description
Technical Field
The utility model relates to the technical field of structural vibration, in particular to a stay cable damper and a combined stay cable damping device.
Background
The cable-stayed bridge has been widely used in the field of bridge construction engineering due to its excellent structural form, attractive construction, large span and flexible arrangement. With the development of scientific technology, more and more new materials are developed, new technologies are popularized, and the number of ultra-large-span cable-stayed bridges with spans exceeding 1000m is continuously increasing. The length-diameter ratio of the stay cable as a main bearing member is increased along with the length-diameter ratio, the rigidity and the damping of the stay cable are continuously reduced, and the stay cable is extremely easy to generate large-amplitude vibration under external excitation such as vortex vibration, relaxation vibration, flutter vibration, buffeting vibration, wind and rain excitation, parameter vibration and the like. The continuous vibration can cause fatigue damage of the stay cable and damage of the stay cable protective sleeve, so that corrosion, stress corrosion and fatigue damage of an anchoring area of the stay cable are accelerated, the service life of the stay cable is shortened, uncomfortable feeling and unsafe feeling of pedestrians are caused, and the stay cable can lose most of bearing capacity or lose efficacy under serious conditions, so that the safety of the whole bridge is seriously influenced.
In the prior art, a suspension cable damper, such as CN114481807a, is provided, by erecting a cable clamp on a suspension cable, positioning a first container containing viscous material above, positioning a side provided with a first insert plate below, sleeving a shell outside the cable clamp, inserting a second insert plate into the first container, inserting the first insert plate into the second container, and placing a proper amount of viscous material in the first container and the second container, when the suspension cable vibrates, the first insert plate shears the viscous material in the second container, the second insert plate shears the viscous material in the first container, and the first insert plate and the second insert plate vibrate in all directions of the suspension cable, so that the viscous material can be sheared, the vibration in the surface and the vibration out of the surface of the suspension cable can be controlled, and the multi-mode vibration control of the suspension cable is performed. When the stay cable built-in damper is used, the problem that the stay cable damper cannot work normally when the included angle between the stay cable and the bridge deck is too large exists.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide a stay cable damper and a combined stay cable damping device, which can solve the problem that the stay cable damper cannot work normally when the included angle between the stay cable and the bridge deck is overlarge in the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
in one aspect, there is provided a suspension cable damper comprising:
a cable clip for being clamped on the stay cable;
the accommodating box is sleeved on the stay cable, a gap is reserved between the accommodating box and the stay cable, and the accommodating box is provided with an accommodating space sleeved on the outer side of the stay cable and used for accommodating viscous materials;
and the inserting plate assembly is arranged outside the cable clamp and is inserted into the adhesive material.
On the basis of the technical proposal, the method comprises the following steps,
in some alternatives, the fork strap assembly includes an upper fork strap assembly and a lower fork strap assembly, each of the upper fork strap assembly and the lower fork strap assembly including:
at least one link, the link includes:
-a mounting plate connected to the cable clamp;
-a connecting rod parallel to the stay cable axial direction, connected at one end to the mounting plate and located partly in the housing box;
and at least one plugboard connected with the other end of the connecting rod and positioned in the adhesive material.
In some alternatives, two insert plates are connected to the connecting rod, and the two insert plates are arranged in parallel and at intervals along the axial direction of the connecting rod.
In some optional solutions, the accommodating box includes an upper accommodating box and a lower accommodating box, the upper accommodating box and the lower accommodating box are respectively provided with a semicircular accommodating cavity, and the inserting plates of the upper inserting plate assembly and the lower inserting plate assembly are respectively inserted into the accommodating cavities of the upper accommodating box and the lower accommodating box.
In some alternatives, the cable guide tube is used for being sleeved outside the stay cable, one end of the cable guide tube is used for being arranged on a bridge deck, and the other end of the cable guide tube is used for installing the accommodating box.
In some alternatives, the containment box is annular in shape and the diameter of the cable conduit is equal to the outer diameter of the containment box.
In some alternatives, the cable guide or the accommodating box is connected with the bridge deck by a support rod, and the support rod is connected with the cable guide or the accommodating box at one end and is connected with the bridge deck at the other end.
In some alternative solutions, the cable clip includes an upper half cable clip and a lower half cable clip, and the connection parts of the upper half cable clip and the lower half cable clip are both provided with an ear plate, and the upper half cable clip and the lower half cable clip are detachably connected through the ear plate.
In some alternatives, the cable protection device further comprises a waterproof cover, one end of the waterproof cover is connected with the end of the accommodating box, and the other end of the waterproof cover is used for being sleeved outside the stay cable.
In another aspect, a combined suspension cable damping device is provided, which includes at least two suspension cable dampers of the type described above, the two suspension cable dampers being connected by a cable conduit.
Compared with the prior art, the utility model has the advantages that:
when using this suspension cable attenuator, press from both sides the cable clamp and establish on the suspension cable, hold the box cover and establish on the suspension cable, and leave the clearance with the suspension cable, hold the box and do not vibrate along with the suspension cable when making the suspension cable vibrate, hold the box and be equipped with annular accommodation space, hold viscous material in the annular accommodation space, the picture peg subassembly is established in the cable clamp outside, the picture peg subassembly is inserted and is established in viscous material, the viscous material power consumption that holds in the shearing accommodation box, it is equipped with the annular accommodation space that holds viscous material to hold the box, can prevent when suspension cable and bridge floor contained angle are too big that viscous material spills, can solve the problem that exists when suspension cable and bridge floor's contained angle is too big among the prior art, this kind of suspension cable attenuator can't normally work.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of a suspension cable damper of the present utility model;
FIG. 2 is a schematic illustration of the construction of an embodiment of a stay cable damper of the present utility model after installation;
FIG. 3 is a schematic illustration of a stay cable damper embodiment half of the present utility model;
FIG. 4 is a schematic cross-sectional view of an embodiment of a suspension cable damper of the present utility model after installation;
FIG. 5 is a schematic view of a half receiving box of an embodiment of a suspension cable damper according to the present utility model;
FIG. 6 is a schematic diagram of a single layer insert plate of an embodiment of a suspension cable damper according to the present utility model;
FIG. 7 is a schematic diagram of a dual deck insert plate of an embodiment of a suspension cable damper according to the present utility model;
FIG. 8 is a schematic view of a stay cable damper embodiment of the present utility model;
FIG. 9 is a schematic diagram of an embodiment of a combined suspension cable damping device according to the present utility model.
In the figure: 1. a cable clip; 11. a plugboard assembly; 111. a mounting plate; 112. a connecting rod; 113. inserting plate; 12. an upper half cable clamp; 13. a lower half cable clamp; 2. stay cables; 3. a housing case; 31. an accommodation space; 4. a viscous material; 5. a cable guide tube; 6. a support rod; 7. bridge deck; 8. a waterproof cover; 9. ear plate.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present application based on the embodiments herein.
Embodiments of a stay cable damper and a combined stay cable damper according to the present utility model are described in further detail below with reference to the accompanying drawings.
As shown in fig. 1, 2 and 4, in one aspect, an embodiment of the present utility model provides a suspension cable damper, including:
a cable clip 1 for being clipped on a stay cable 2;
the accommodating box 3 is sleeved on the stay cable 2, a gap is reserved between the accommodating box 3 and the stay cable 2, and the accommodating box 3 is provided with an accommodating space 31 sleeved on the outer side of the stay cable 2 and used for accommodating the viscous material 4;
and a board insertion assembly 11 arranged outside the cable clamp 1, wherein the board insertion assembly 11 is inserted into the adhesive material 4.
When using this suspension cable attenuator, press from both sides cable clamp 1 and establish on suspension cable 2, hold box 3 cover and establish on suspension cable 2, and leave the clearance with suspension cable 2, hold box 3 when making suspension cable 2 vibrate and do not vibrate along with suspension cable 2, hold box 3 and be equipped with the cover and establish the accommodation space 31 in suspension cable 2 outside, hold viscous material 4 in accommodation space 31, the picture peg subassembly 11 is established in cable clamp 1 outside, picture peg subassembly 11 is inserted and is established in viscous material 4, cut the viscous material 4 power consumption that holds in holding box 3, hold box 3 and be equipped with hold viscous material 4's accommodation space 31, can prevent when suspension cable 2 and bridge floor 7 contained angle are too big that viscous material 4 from spilling, can solve the problem that such suspension cable attenuator can not normally work when there is suspension cable and bridge floor's contained angle too big among the prior art.
As shown in fig. 4 and 6, in some alternative embodiments, the fork strap assembly 11 includes an upper fork strap assembly and a lower fork strap assembly, each of which includes:
at least one link, the link includes:
a mounting plate 111 connected to the cable clip 1;
a connecting rod 112 parallel to the axial direction of the stay cable 2, connected at one end to the mounting plate 111 and partially located in the containing box 3;
at least one insert plate 113 connected to the other end of the connecting rod 112 and located in the adhesive material 4.
In this embodiment, the board inserting assembly 11 includes an upper board inserting assembly and a lower board inserting assembly, the upper board inserting assembly and the lower board inserting assembly each include at least one connecting frame and at least one board inserting 113, the connecting frame includes a mounting plate 111 and a connecting rod 112, one end of the connecting rod 112 is connected with the mounting plate 111, the other end is connected with the board inserting 113, the board inserting 113 is located in the viscous material 4, when the stay cable 2 vibrates, the stay cable 2 drives the cable clamp 1 and the board inserting assembly 11 connected with the cable clamp 1 to vibrate, and the board inserting 113 shears the viscous material 4 contained therein in the containing box 3 to consume energy.
In this example, the board assembly 11 includes two connecting frames, two mounting plates 111 are arranged at intervals along the horizontal direction and are perpendicular to the cable clamp 1, one end of each connecting rod 112 is connected with the mounting plate 111, the other ends of the two connecting rods 112 are connected to the board 113, and the board assembly 11 is more stable in structure.
In some alternative embodiments, as shown in fig. 7, two insert plates 113 are connected to the connecting rod 112, and the two insert plates 113 are disposed in parallel and spaced apart along the axial direction of the connecting rod 112.
In this embodiment, two insert plates 113 are connected to the connecting rod 112, and the two insert plates 113 are disposed in parallel and spaced along the axial direction of the connecting rod 112, and all the insert plates 113 are located in the viscous material 4, so that the viscous material 4 contained in the containing box 3 can be sheared to consume energy, and the effect of the damper is improved.
As shown in fig. 5 and 6, in some alternative embodiments, the accommodating case 3 includes an upper accommodating case and a lower accommodating case, each of which is provided with a semicircular accommodating chamber, and the insert plates 113 of the upper insert plate assembly and the lower insert plate assembly are inserted into the accommodating chambers of the upper accommodating case and the lower accommodating case, respectively.
In this embodiment, hold box 3 and hold the box including last box and lower, go up to hold the box and pass through the otic placode down and connect, make hold box 3 easy to assemble, go up to hold the box and hold down and all be equipped with semicircle annular accommodation chamber, go up the picture peg subassembly and insert down the picture peg subassembly respectively and establish in last accommodation chamber that holds box and lower accommodation box, picture peg 113 is the semicircle annular that the cooperation held the chamber, makes picture peg 113 can cut the viscous material 4 power consumption that holds in holding the chamber.
As shown in fig. 2, in some alternative embodiments, a cable duct 5 is further included for sheathing on the outside of the stay cable 2, one end for being provided on the deck 7, and the other end for mounting the housing box 3.
In this embodiment, the cable guide 5 with one end anchored to the bridge deck 7 is sleeved outside the suspension cable 2, and is used to install the accommodating box 3 through a flange, so that when the suspension cable 2 vibrates, the flashboard assembly 11 can shear the viscous material 4 in the accommodating box 3, rather than vibrate along with the suspension cable 2, and vibration reduction effect on the suspension cable 2 is achieved.
In some alternative embodiments, as shown in fig. 1 and 2, the containment box 3 is annular in shape and the diameter of the cable guide 5 is equal to the outer diameter of the containment box 3.
In this embodiment, the diameter of the cable guide tube 5 is equal to the outer diameter of the accommodating box 3, so that the outer linearity of the stay cable damper is smoother and more attractive.
As shown in fig. 2, in some alternative embodiments, a support bar 6 is further included, one end of which is connected to the cable guide 5 or the accommodating box 3, and the other end of which is used to connect to the deck 7.
In this embodiment, when the cable guide 5 is used to mount the accommodating box 3, if the cable guide 5 is too long, the cable guide 5 will be unstable, and at this time, one end of the supporting rod 6 is connected with the cable guide 5, and the other end is connected to the bridge deck 7, so that a certain supporting effect can be achieved; when the accommodating box 3 is installed without adopting the cable guide pipe 5, one end of the supporting rod 6 can be directly connected with the accommodating box 3, and the other end of the supporting rod is connected with the bridge deck 7 to support the accommodating box 3, so that the accommodating box 3 does not vibrate along with the vibration of the stay cable 2, and the plugboard assembly 11 plays a certain role in vibration reduction when shearing the viscous material 4.
In this example, the cable duct 5 and the bridge deck 7 may be connected in a hinged manner, so that the cable duct 5 may rotate in the longitudinal bridge direction, the support rod 6 may also be connected in a hinged manner, and the support rod 6 may rotate in the longitudinal bridge direction, so that the support rod 6 may not only play a certain supporting role on the cable duct 5, but also have a certain adjusting capability and activity allowance for the support rod 6.
As shown in fig. 1 and 3, in some alternative embodiments, the cable clip 1 includes an upper half cable clip 12 and a lower half cable clip 13, and the connection between the upper half cable clip 12 and the lower half cable clip 13 is provided with an ear plate 9, where the upper half cable clip 12 and the lower half cable clip 13 are detachably connected through the ear plate 9.
In this embodiment, the upper half cable clamp 12 and the lower half cable clamp 13 are detachably connected through the lug plate 9, so that the upper half cable clamp 12 and the lower half cable clamp 13 can be conveniently replaced as required to replace the plugboard assembly 11 connected to the cable clamp 1.
As shown in fig. 2 and 8, in some alternative embodiments, a waterproof cover 8 is further included, one end of which is connected to the end of the accommodating box 3, and the other end of which is used to be sleeved outside the stay cable 2.
In this embodiment, the waterproof cover 8 is made of a material with a certain elasticity, and is only used for sealing the end of the accommodating box 3 and the stay cable 2, preventing rainwater or sundries from entering the damper, and not transmitting force, i.e. the waterproof cover 8 does not vibrate along with the stay cable 2.
The design parameters of the damper mainly comprise: the temperature T of the viscous material, the thickness d of the viscous material, the viscosity shearing area S, the equivalent rigidity K of the viscous material, the distance x from the installation position of the damper to the anchoring end of the inhaul cable, the length L of the inhaul cable, the tension T of the inhaul cable, the unit length mass mu of the inhaul cable and the fundamental frequency f of the inhaul cable 0 And cable amplitude a. The damping coefficient of the nth order mode of the additional stay cable of the damper is as follows: c (C) n ＝0.85e -0.043t ·S·a 0.34 ·(d·a·ω n ) -0.5 The method comprises the steps of carrying out a first treatment on the surface of the Omega in n Is the n-order circular frequency omega of the stay cable n ＝2πf n ；f n Is the n-order self of the stay cableThe frequency of the vibration is set to be,the parameters related to the damper can be designed according to the vibration control requirement of the sling, including the size and the number of the plugboards and the containers, and the gap between the plugboards and the containers.
As shown in fig. 9, in another aspect, a combined suspension cable damping device is provided, which includes at least two suspension cable dampers of the type described above, the two suspension cable dampers being connected by a cable conduit 5.
When using this combination formula suspension cable damping device, set up the waiting of all cable clamps 1 in suspension cable 2 and damp the position, hold box 3 cover and establish on suspension cable 2, and leave the clearance with suspension cable 2, hold box 3 when making suspension cable 2 vibrate and do not vibrate along with suspension cable 2, hold box 3 and be equipped with the cover and establish the accommodation space 31 in suspension cable 2 outside, hold viscous material 4 in accommodation space 31, picture peg subassembly 11 is established in cable clamp 1 outside, picture peg subassembly 11 is inserted and is established in viscous material 4, the viscous material 4 power consumption that holds in the shearing accommodation box 3, hold box 3 and be equipped with hold space 31 that holds viscous material 4, can prevent when suspension cable 2 and bridge floor 7 contained angle are too big that viscous material 4 from spilling, can solve the problem that there is suspension cable and bridge floor's contained angle too big in prior art, this kind of suspension cable damper can't normally work.
To sum up, this scheme is through inserting in viscous material 4 when stay cable 2 vibration, the picture peg subassembly 11 that sets up on the cable clamp 1, and the accommodation box 3 of adjacent cable clamp 1 passes through cable pipe 5 to be connected, and the picture peg subassembly 11 shears viscous material 4 power consumption, and bracing piece 6 is connected with cable pipe 5 or accommodation box 3, plays certain supporting role, and waterproof cover 8 will hold and seal between the tip of box 3 and the stay cable 2, prevents rainwater or debris entering attenuator. The holding box 3 is equipped with and holds annular accommodation space 31 of viscous material 4, can prevent when stay cable 2 and bridge floor 7 contained angle are too big that viscous material 4 from spilling, can solve among the prior art to have the stay cable vibration and can lead to viscous material outflow first container or second container, and then influences the problem of the normal work of attenuator.
In the description of the present application, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description of the present application and simplification of the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
It should be noted that in this application, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely a specific embodiment of the application to enable one skilled in the art to understand or practice the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A suspension cable damper comprising:
a cable clip (1) for being clamped on the stay cable (2);
the accommodating box (3) is sleeved on the stay cable (2), a gap is reserved between the accommodating box and the stay cable (2), and the accommodating box (3) is provided with an accommodating space (31) sleeved on the outer side of the stay cable (2) and used for accommodating the viscous material (4);
and the inserting plate assembly (11) is arranged outside the cable clamp (1), and the inserting plate assembly (11) is inserted into the adhesive material (4).
2. A stay cable damper according to claim 1, wherein the insert plate assembly (11) comprises an upper insert plate assembly and a lower insert plate assembly, each comprising:
at least one link, the link includes:
-a mounting plate (111) connected to the cable clip (1);
-a connecting rod (112) parallel to the axial direction of the stay cable (2), connected at one end to the mounting plate (111), and partly located in the containing box (3);
at least one insert plate (113) connected to the other end of the connecting rod (112) and located in the adhesive material (4).
3. A stay cable damper according to claim 2, wherein two insert plates (113) are connected to the connecting rod (112), and the two insert plates (113) are arranged in parallel and spaced apart relation along the axial direction of the connecting rod (112).
4. A stay cable damper according to claim 2, wherein the housing box (3) comprises an upper housing box and a lower housing box, each provided with a semicircular housing cavity, and the insert plates (113) of the upper insert plate assembly and the lower insert plate assembly are inserted into the housing cavities of the upper housing box and the lower housing box, respectively.
5. A stay cable damper according to claim 1, further comprising a cable duct (5) for sheathing the stay cable (2) at one end for being placed on a deck (7) and at the other end for mounting the receiving box (3).
6. A stay cable damper according to claim 5, wherein the housing box (3) is annular, and the diameter of the cable duct (5) is equal to the outer diameter of the housing box (3).
7. A stay damper according to claim 5, further comprising a support rod (6) connected at one end to the cable duct (5) or to the receiving box (3) and at the other end to the deck (7).
8. A stay cable damper according to claim 1, characterized in that the cable clamp (1) comprises an upper half cable clamp (12) and a lower half cable clamp (13), the connection parts of the upper half cable clamp (12) and the lower half cable clamp (13) are provided with lugs (9), and the upper half cable clamp (12) and the lower half cable clamp (13) are detachably connected through the lugs (9).
9. A stay damper as claimed in claim 1, further comprising a waterproof cover (8) having one end connected to the end of the housing box (3) and the other end adapted to be fitted over the stay (2).
10. A combined stay cable damping device, characterized by comprising at least two stay cable dampers according to any one of claims 1-9, the two stay cable dampers being connected by a cable conduit (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320657425.4U CN219450410U (en) | 2023-03-29 | 2023-03-29 | Stay cable damper and combined stay cable damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320657425.4U CN219450410U (en) | 2023-03-29 | 2023-03-29 | Stay cable damper and combined stay cable damping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219450410U true CN219450410U (en) | 2023-08-01 |
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ID=87388943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320657425.4U Active CN219450410U (en) | 2023-03-29 | 2023-03-29 | Stay cable damper and combined stay cable damping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219450410U (en) |
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2023
- 2023-03-29 CN CN202320657425.4U patent/CN219450410U/en active Active
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