CN220666002U - Damping anchoring device for replacing stay cable and stay cable replacement equipment - Google Patents
Damping anchoring device for replacing stay cable and stay cable replacement equipment Download PDFInfo
- Publication number
- CN220666002U CN220666002U CN202322055969.6U CN202322055969U CN220666002U CN 220666002 U CN220666002 U CN 220666002U CN 202322055969 U CN202322055969 U CN 202322055969U CN 220666002 U CN220666002 U CN 220666002U
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- China
- Prior art keywords
- stay cable
- connecting rod
- damping
- stay
- buckle
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- 238000013016 damping Methods 0.000 title claims abstract description 64
- 238000004873 anchoring Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 239000000725 suspension Substances 0.000 description 7
- 238000010276 construction Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008093 supporting effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a damping anchoring device for replacing a stay cable and stay cable replacement equipment, wherein the damping anchoring device comprises a fixed buckle, a guide buckle and a damping connecting rod, and the fixed buckle is arranged on the stay cable adjacent to a target stay cable; the guide buckle is in sliding connection with the target stay cable and is used for the target stay cable to pass through the guide buckle; each guide buckle is connected with at least one fixed buckle through a damping connecting rod; the damping anchoring device for replacing the stay cable can effectively avoid friction damage to the replaced new stay cable in the process of replacing the stay cable.
Description
Technical Field
The utility model belongs to the technical field of cable-stayed bridge maintenance, and particularly relates to a damping anchoring device for replacing a stay cable and stay cable replacement equipment.
Background
The stay cable is used as a main stress member of the cable-stayed bridge, and the stay cable is inevitably damaged by corrosion, fracture and the like of steel wires after operation for many years, so that the overall structure safety of the bridge is affected, and the stay cable needs to be replaced at proper time. When the existing stay cable is replaced, a single hanging point is arranged near the anchor head of the cable body by adopting a hanging bracket at the top of the tower to finish the old cable dismantling or new cable installing work, and the single hanging point type stay cable dismantling construction has the following defects: because the interval of the stay cables at the tower end is smaller than the interval of the beam end, and the construction sequence of the replacement of the stay cables is usually that the stay cables are firstly short and then long (the sequence of going down and then up when seen from the tower end), when the replaced stay cables are detached and installed at the tower end, the sag effect is generated by the cable body under the action of dead weight, the stay cables are placed on the new stay cables replaced below, and the stay cables are repeatedly dragged and rubbed on the new cables along with the position change of the anchor heads at the tower end, so that the protection system of the replaced stay cables is damaged, and the longer the stay cables, the more the new cables are affected.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides a damping anchoring device for replacing a stay cable and stay cable replacement equipment, which can effectively avoid friction damage to a replaced new stay cable in the process of replacing the stay cable.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
in a first aspect, there is provided a damped anchoring device for replacement of a stay cable, comprising: the fixed buckles are used for being installed on stay cables adjacent to the target stay cables; the guide buckles are in sliding connection with the target stay cables and are used for the target stay cables to pass through; each guide buckle is connected with at least one fixed buckle through a damping connecting rod.
Further, the damping connecting rod comprises a first connecting rod, a second connecting rod and a damping spring, one end of the first connecting rod is hinged with the fixed buckle, and the other end of the first connecting rod is connected with the damping spring; one end of the second connecting rod is hinged with the guide buckle, and the other end of the second connecting rod is connected with the damping spring.
Further, the damping connecting rod further comprises a guide rod, one end of the guide rod is fixedly connected with the first connecting rod, and the other end of the guide rod is in sliding connection with the second connecting rod; the axis of the guide rod coincides with the axis of the damping spring.
Further, the axis direction of the hinge shaft between the first connecting rod and the fixed buckle is parallel to the axis of the fixed buckle; the axis direction of the hinge shaft between the second connecting rod and the guide buckle is parallel to the axis of the guide buckle.
Further, the target stay cable is an old stay cable to be replaced or a new stay cable for replacing the old stay cable.
In a second aspect, a stay cable replacement device is provided, including a beam end traction device, a tower end traction device, and the damping anchoring device for replacing a stay cable of the first aspect; the beam end traction device and the tower end traction device are used for traction of the target stay cable to pass through the guide buckle.
Further, the beam end traction device and the tower end traction device comprise winches.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the fixed buckle, the guide buckle and the damping connecting rod are arranged, and the fixed buckle is arranged on the stay cable adjacent to the target stay cable; the guide buckle is in sliding connection with the target stay cable and is used for the target stay cable to pass through the guide buckle; each guide buckle is connected with at least one fixed buckle through a damping connecting rod; the friction damage to the replaced new stay cable can be effectively avoided in the process of replacing the stay cable.
Drawings
FIG. 1 is a schematic illustration of a damped anchor for replacement of a stay cable in use according to an embodiment of the present utility model;
FIG. 2 is a schematic illustration of a replacement stay cable using a stay cable replacement apparatus provided by an embodiment of the present utility model;
in the figure: 1. a fixing buckle; 2. a guide buckle; 31. a first connecting rod; 32. a second connecting rod; 33 damping springs; 4. a pin shaft; 5. a target stay cable; a. damping anchoring means; b. a beam end traction device; c. and a tower end traction device.
Detailed Description
The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.
Embodiment one:
as shown in fig. 1 and 2, a damping anchoring device for replacing a stay cable comprises a plurality of fixing buckles 1, guide buckles 2 and damping connecting rods; the fixed buckle 1 is used for being installed on a stay cable adjacent to the target stay cable 5; the guide buckle 2 is in sliding connection with the target stay cable and is used for allowing the target stay cable 5 to pass through the guide buckle 2; each guide buckle 2 is connected with at least one fixed buckle 1 through a damping connecting rod.
The damping connecting rod comprises a first connecting rod 31, a second connecting rod 32 and a damping spring 33, one end of the first connecting rod 31 is hinged with the fixed buckle 1 through a pin shaft 4, and the other end of the first connecting rod is connected with the damping spring 33; one end of the second connecting rod 32 is hinged with the guide buckle 2 through a pin shaft 4, and the other end is connected with the damping spring 33.
The damping connecting rod further comprises a guide rod, one end of the guide rod is fixedly connected with the first connecting rod 31, and the other end of the guide rod is in sliding connection with the second connecting rod 32; the axis of the guide rod coincides with the axis of the damping spring 33. The guide rod acts on the damping spring 33 in a guiding manner, while maintaining the stability of the damping system.
The axis direction of the hinge shaft (pin shaft) between the first connecting rod 31 and the fixing buckle 1 is parallel to the axis of the fixing buckle 1. The axis direction of the hinge shaft (pin shaft) between the second connecting rod 32 and the guide buckle 2 is parallel to the axis of the guide buckle 2. The first connecting rod 31 and the fixed buckle 1 and the second connecting rod 32 and the guide buckle 2 are connected in a hinged mode, so that the damping anchoring device is convenient to install on one hand, on the other hand, when the stay cable is replaced, the guide buckle 2 can have a certain offset, the transverse offset of the stay cable in the process of lowering and installing can be adapted, and the first connecting rod 31 and the fixed buckle 1 and the second connecting rod 32 and the guide buckle 2 can be connected in a spherical hinge mode.
In the present utility model, the objective suspension cable 5 is an old suspension cable to be replaced or a new suspension cable for replacing the old suspension cable.
The damping anchoring device is installed as follows:
firstly, installing a guide buckle 2 on a stay cable to be replaced;
secondly, connecting the guide buckle 2 on the stay cable to be replaced with a second connecting rod 32 in the upper damping connecting rod and the lower damping connecting rod through a pin shaft;
thirdly, installing fixing buckles 1 at corresponding positions on adjacent stay cables;
and fourthly, connecting the fixed buckle 1 of the adjacent stay cables with a first connecting rod 31 in the corresponding damping connecting rod through a pin shaft.
As shown in fig. 2, in the unloading process of the cable force of the replacement stay cable (namely, when the old stay cable to be replaced is dismounted), the stay cable will sag along with the reduction of the stress of the stay cable, before the stay cable is deformed greatly and contacts with the lower stay cable during unloading, the damping anchoring device a is installed according to the steps, and due to the supporting effect of the damping anchoring device a, when the cable force is continuously unloaded, the cable will again generate a deformed greatly position contacted with the lower stay cable, and the damping anchoring devices are installed in sequence according to the steps.
And after the cable force is unloaded, dismantling and releasing the stay cables through the beam end traction device b, and when the tower end anchor heads sequentially reach the damping anchor devices a, dismantling the damping anchor devices a one by one until the cable bodies are released to the bridge deck.
When the new stay cable is installed, the tower end traction device c is used for traction installation, the damping anchoring device a is installed at a position with larger deformation in sequence along with gradual upward movement of the cable body until the installation of the new stay cable is completed, and the damping anchoring device a is removed after the tensioning of the new stay cable is completed.
When the uppermost stay cable of the cable-stayed bridge is replaced, a half-side damping anchoring device which is only connected with the lower stay cable can be installed. Because the pin shaft in the damping anchoring device can rotate, in the replacement process of the stay cable, the replacement stay cable can rotate to the side surface of the new stay cable below, and the purpose of protecting the new stay cable below can be achieved.
The utility model solves the problem of damage to the replaced stay cable protection system during the replacement construction of the stay cable, and simultaneously enables the replacement stay cable to freely move without influencing the construction while keeping a distance with the replaced stay cable by installing the damping anchoring device at multiple points.
According to the utility model, the damping anchoring devices are adopted to replace the conventional single suspension points, the required number of damping anchoring devices are arranged on the stay cable body, effective constraint is formed on the cable body, the sagging effect is reduced, and the replacement stay cable is not contacted with the adjacent cable under the supporting action of the buckle and the damping connecting rod; the buckle is connected with the damping connecting rod by adopting a pin shaft, and the damping spring on the damping connecting rod is added, so that the position change of the stay cable can be adapted to be changed.
Embodiment two:
the first embodiment provides a suspension cable replacement device, which includes a beam end traction device b, a tower end traction device c, and the first embodiment is a suspension cable replacement damping anchoring device a; the beam end traction device b and the tower end traction device c are used for traction of the target stay cable to pass through the guide buckle 2. The beam end traction device b and the tower end traction device a comprise traction equipment such as a winch and the like.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.
Claims (7)
1. A damped anchoring device for replacement of a stay cable, comprising:
the fixed buckles (1) are used for being installed on stay cables adjacent to the target stay cable (5);
the guide buckles (2) are connected with the target stay cables (5) in a sliding mode, and are used for enabling the target stay cables (5) to pass through the guide buckles (2);
each guide buckle (2) is connected with at least one fixed buckle (1) through a damping connecting rod.
2. Damping anchoring device for changing stay cables according to claim 1, characterized in that the damping connecting rod comprises a first connecting rod (31), a second connecting rod (32) and a damping spring (33), wherein one end of the first connecting rod (31) is hinged with the fixed buckle (1) and the other end is connected with the damping spring (33); one end of the second connecting rod (32) is hinged with the guide buckle (2), and the other end of the second connecting rod is connected with the damping spring (33).
3. Damping anchoring device for changing stay cables according to claim 2, characterized in that the damping connecting rod further comprises a guiding rod, one end of which is fixedly connected to the first connecting rod (31) and the other end of which is slidingly connected to the second connecting rod (32); the axis of the guide rod coincides with the axis of the damping spring (33).
4. The damped anchoring device for a replacement stay cable of claim 2,
the axis direction of the hinge shaft between the first connecting rod (31) and the fixed buckle (1) is parallel to the axis of the fixed buckle (1);
the axis direction of the hinge shaft between the second connecting rod (32) and the guide buckle (2) is parallel to the axis of the guide buckle (2).
5. Damping anchoring device for replacement of stay cables according to claim 1, characterized in that the target stay cable (5) is an old stay cable to be replaced or a new stay cable for replacement of an old stay cable.
6. A stay cable replacement apparatus comprising a beam end traction device, a tower end traction device, and a damped anchor for replacement of a stay cable as claimed in any one of claims 1 to 5; the beam end traction device and the tower end traction device are used for traction of the target stay cable to pass through the guide buckle (2).
7. The stay cable replacement apparatus of claim 6 wherein the beam end traction device and the tower end traction device comprise winches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322055969.6U CN220666002U (en) | 2023-08-02 | 2023-08-02 | Damping anchoring device for replacing stay cable and stay cable replacement equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322055969.6U CN220666002U (en) | 2023-08-02 | 2023-08-02 | Damping anchoring device for replacing stay cable and stay cable replacement equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220666002U true CN220666002U (en) | 2024-03-26 |
Family
ID=90333534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322055969.6U Active CN220666002U (en) | 2023-08-02 | 2023-08-02 | Damping anchoring device for replacing stay cable and stay cable replacement equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220666002U (en) |
-
2023
- 2023-08-02 CN CN202322055969.6U patent/CN220666002U/en active Active
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