CN220433388U - Vibration reduction traction device for stay cable of cable-stayed bridge - Google Patents
Vibration reduction traction device for stay cable of cable-stayed bridge Download PDFInfo
- Publication number
- CN220433388U CN220433388U CN202321702728.XU CN202321702728U CN220433388U CN 220433388 U CN220433388 U CN 220433388U CN 202321702728 U CN202321702728 U CN 202321702728U CN 220433388 U CN220433388 U CN 220433388U
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- movable
- cable
- stock
- long rod
- quarter butt
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- 239000002184 metal Substances 0.000 claims abstract description 29
- 238000013016 damping Methods 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model provides a vibration damping draw gear of cable-stayed bridge cable, includes the fixed shell of metal cable and left and right sides, two bolt holes have been seted up in the outside of fixed shell, two the inboard of fixed shell is equipped with movable stock, and the one end of its movable stock rotates with the inboard rotation knot end of fixed shell to be connected, the movable stock includes left stock and right stock, and its left stock is parallel to each other with right stock, the activity is provided with movable quarter butt between left stock and the right stock, movable quarter butt includes left quarter butt and right quarter butt. According to the utility model, through the cooperation of the structures such as the movable long rod, the movable short rod and the tension spring, the ends of the left long rod and the right long rod are extruded outwards under the tension force of the tension spring, and the ends of the left long rod and the right long rod are connected to the adjacent two metal inhaul cables through the fixed shell, so that when the vibration wave of the metal inhaul cable passes through the movable long rod and the movable short rod after the vibration of the metal inhaul cable occurs, the tension spring can greatly reduce the vibration of the metal inhaul cable.
Description
Technical Field
The utility model relates to the technical field of cable damping, in particular to a damping traction device of a cable-stayed bridge.
Background
The steel cable bridge mainly comprises a suspension bridge and a cable-stayed bridge suspension bridge, which are also called cable-stayed bridges. Refers to a bridge with cables or steel chains suspended by cable towers and anchored at both ends of a shore or bridge as the main load bearing member of the superstructure. The cable-stayed bridge is also called as a stayed bridge, and is a bridge in which a main girder is directly pulled on a bridge tower by a plurality of stay ropes.
The cable of current cable-stayed bridge often should be the past car and make the metal cable take place vibrations, and when the metal cable produced frequent vibrations, thereby not only can make this metal cable take place metal fatigue and appear cracked possibility to because the vibrations of metal cable can give way the danger that the traction element that is connected with metal cable both ends sends to drop equally, consequently need design a damping draw gear of cable-stayed bridge cable on the metal cable of cable-stayed bridge.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a vibration reduction traction device for a cable-stayed bridge stay cable, which solves the problems in the background art.
In order to solve the technical problem, according to one aspect of the present utility model, a vibration damping traction device for a cable-stayed bridge cable, more specifically, a vibration damping traction device for a cable-stayed bridge cable comprises a metal cable and fixing shells on the left side and the right side, wherein two bolt holes are formed in the outer sides of the two fixing shells, a movable long rod is arranged in the inner sides of the two fixing shells, one end of the movable long rod is rotatably connected with a rotating buckle end in the inner sides of the fixing shells, the movable long rod comprises a left long rod and a right long rod, the left long rod is parallel to the right long rod, a movable short rod is movably arranged between the left long rod and the right long rod, the movable short rod comprises a left short rod and a right short rod, and the left short rod and the right short rod are parallel to each other.
Furthermore, the surfaces of the left short rod and the right short rod are movably sleeved with movable sleeves, and connecting buckles are arranged on the outer sides of the movable sleeves.
Further, the surface of the connecting buckle is connected with a tension spring, the other end of the tension spring on the surface of the left short rod is connected with the other end of the right long rod, and the other end of the tension spring on the surface of the right short rod is connected with the other end of the left long rod.
Furthermore, the surface center of the movable sleeve is penetrated and provided with an observation groove, the surfaces of the movable sleeve and the centers of the two sides of the observation groove are respectively provided with an alignment mark, and the surfaces of the movable short rods are provided with scale marks.
Furthermore, a side shell is arranged on the inner side of the movable sleeve, a driving groove is formed in the side shell, a threaded gear is rotatably arranged in the driving groove, a tooth groove is formed in the inner side of the movable short rod, and the threaded gear is movably connected with the movable short rod through the tooth groove.
Further, the top end of the threaded gear is coaxially connected with a first gear, a rotating knob is arranged on the surface of the side shell in a penetrating mode, a central shaft of the rotating knob penetrates through the driving groove and is sleeved with a second gear, and the second gear is meshed with the first gear.
The vibration reduction traction device of the cable-stayed bridge guy has the beneficial effects that:
(1) According to the utility model, through the cooperation of the structures such as the movable long rod, the movable short rod, the tension spring and the like, the ends of the left long rod and the right long rod are extruded outwards under the tension force of the tension spring, and the ends of the left long rod and the right long rod are connected to the adjacent two metal inhaul cables through the fixed shell, so that when the metal inhaul cables vibrate, vibration waves of the metal inhaul cables pass through the movable long rod and the movable short rod, and vibration on the metal inhaul cables is greatly reduced by the tension spring.
(2) According to the utility model, through the cooperation of the structures such as the movable sleeve, the threaded gear, the tooth groove and the like, the first gear and the second gear of the movable sleeve can drive the threaded gear to rotate after the rotary knob is rotated, so that the position of the movable sleeve on the movable short rod can be changed under the drive of the threaded gear, the tension applied by the tension spring to the movable long rod can be changed, and the pressure of the movable long rod for extruding the metal inhaul cable can be adjusted.
Drawings
The utility model will be described in further detail with reference to the accompanying drawings and detailed description.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged view of area A of FIG. 1 in accordance with the present utility model;
FIG. 3 is a cross-sectional view of the area A of FIG. 1 in accordance with the present utility model;
fig. 4 is a perspective view of the active cannula structure of the present utility model.
In the figure: 1. a metal inhaul cable; 2. a fixed case; 3. bolt holes; 4. a movable long rod; 5. a movable short rod; 6. a movable sleeve; 7. a tension spring; 8. a side case; 9. rotating a knob; 10. tooth slots; 11. an observation groove; 12. an alignment mark; 13. a connecting buckle; 14. a scale mark; 15. a first gear; 16. a second gear; 17. a driving groove; 18. a threaded gear; 401. a left long rod; 402. a right long rod; 501. a left short rod; 502. and a right short rod.
Detailed Description
The utility model will be described in detail hereinafter with reference to the drawings in conjunction with embodiments. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.
According to one aspect of the present utility model, there is provided a vibration damping traction device for a cable-stayed bridge cable, comprising a metal cable 1 and a fixed shell 2 on the left and right sides, two bolt holes 3 are provided on the outer sides of the two fixed shells 2, a movable long rod 4 is provided on the inner sides of the two fixed shells 2, one end of the movable long rod 4 is rotatably connected with a rotating buckle end on the inner side of the fixed shell 2, the movable long rod 4 comprises a left long rod 401 and a right long rod 402, the left long rod 401 and the right long rod 402 are parallel to each other, a movable short rod 5 is movably provided between the left long rod 401 and the right long rod 402, the movable short rod 5 comprises a left short rod 501 and a right short rod 502, the left short rod 501 and the right short rod 502 are parallel to each other, the ends of the left long rod 401 and the right long rod 402 are pressed outwards under the tension of a tension spring 7, and the ends of the left long rod 401 and the right long rod 402 are connected to the adjacent two metal cables 1 by the fixed shell 2, so that when the metal cable 1 vibrates, vibration waves of the metal cable 1 pass through the movable long rod 4 and the movable short rod 5 and the tension spring 5, and vibration of the metal cable 1 can be greatly damped.
In this embodiment, the surfaces of the left short rod 501 and the right short rod 502 are movably sleeved with a movable sleeve 6, and the outer side of the movable sleeve 6 is provided with a connecting buckle 13.
In this embodiment, the surface of the connecting buckle 13 is connected with the tension spring 7, the other end of the tension spring 7 on the surface of the left short bar 501 is connected with the other end of the right long bar 402, and the other end of the tension spring 7 on the surface of the right short bar 502 is connected with the other end of the left long bar 401.
In this embodiment, the surface center of the movable sleeve 6 is provided with an observation groove 11, the surfaces of the movable sleeve 6 and the centers of the two sides of the observation groove 11 are provided with alignment marks 12, the surface of the movable short rod 5 is provided with a scale mark 14, and the scale mark 14 can ensure that the aim of accurate adjustment can be achieved when the position of the movable sleeve 6 on the movable short rod 5 is adjusted.
In this embodiment, a side shell 8 is disposed on the inner side of the movable sleeve 6, a driving slot 17 is disposed in the side shell 8, a threaded gear 18 is rotatably disposed in the driving slot 17, a tooth slot 10 is disposed on the inner side of the movable short rod 5, the threaded gear 18 is movably connected with the movable short rod 5 through the tooth slot 10, and the tooth slot 10 is clamped inside the helical teeth of the threaded gear 18, so that the movable sleeve 6 can move on the movable short rod 5 after the threaded gear 18 rotates.
In this embodiment, the top end of the threaded gear 18 is coaxially connected with a first gear 15, the surface of the side shell 8 is provided with a rotating knob 9 in a penetrating manner, and the central shaft of the rotating knob 9 penetrates into the driving groove 17 and is sleeved with a second gear 16, and the second gear 16 is in meshed connection with the first gear 15.
The working principle of the device is as follows: two fixed shells 2 on the device are clamped on two adjacent metal inhaul cables 1, then bolts penetrate through bolt holes 3 to fix the fixed shells 2 on the surfaces of the metal inhaul cables 1, so that two tension springs 7 are utilized to pull a movable long rod 4 and a movable sleeve 6, one ends of a left long rod 401 and a right long rod 402 can extend outwards from each other, the extending movable long rod 4 can squeeze the metal inhaul cables 1 through the fixed shells 2, and severe vibration between the two adjacent metal inhaul cables 1 can be avoided; and after the rotary knob 9 is rotated, the threaded gear 18 can be driven to rotate by the second gear 16 and the first gear 15, the movable sleeve 6 can be moved up and down on the surface of the movable short rod 5 along with the rotation of the threaded gear 18, the moving distance of the movable sleeve 6 on the movable short rod 5 can be accurately changed through the alignment of the alignment mark 12 and the scale mark 14, the pulling force of the tension spring 7 can be changed by changing the position of the movable sleeve 6 on the movable short rod 5, and thus the strength of the force supported outwards between the left long rod 401 and the right long rod 402 can be adjusted.
Of course, the above description is not intended to limit the utility model, but rather the utility model is not limited to the above examples, and variations, modifications, additions or substitutions within the spirit and scope of the utility model will be within the scope of the utility model.
Claims (6)
1. The utility model provides a damping draw gear of cable-stayed bridge cable, includes metal cable (1) and fixed shell (2) of left and right sides, its characterized in that: two bolt holes (3) have been seted up in the outside of fixed shell (2), two the inboard of fixed shell (2) is equipped with movable stock (4), and the one end of its movable stock (4) rotates with the inboard rotation knot end of fixed shell (2) and is connected, movable stock (4) are including left stock (401) and right stock (402), and its left stock (401) are parallel to each other with right stock (402), the activity is provided with movable quarter butt (5) between left stock (401) and right stock (402), movable quarter butt (5) are including left quarter butt (501) and right quarter butt (502), and its left quarter butt (501) and right quarter butt (502) are parallel to each other.
2. The vibration reduction traction device for a cable-stayed bridge cable according to claim 1, wherein: the surfaces of the left short rod (501) and the right short rod (502) are movably sleeved with a movable sleeve (6), and the outer side of the movable sleeve (6) is provided with a connecting buckle (13).
3. The vibration damping traction device for a cable-stayed bridge cable according to claim 2, wherein: the surface of the connecting buckle (13) is connected with a tension spring (7), the other end of the tension spring (7) on the surface of the left short rod (501) is connected with the other end of the right long rod (402), and the other end of the tension spring (7) on the surface of the right short rod (502) is connected with the other end of the left long rod (401).
4. A vibration damping traction device for a cable-stayed bridge cable according to claim 3, wherein: the surface center department of activity sleeve pipe (6) runs through and has seted up observation groove (11), the surface of activity sleeve pipe (6) just is located both sides center department of observation groove (11) and all is equipped with alignment mark (12), scale mark (14) have been seted up on the surface of activity quarter butt (5).
5. The vibration reduction traction device for a cable-stayed bridge cable according to claim 4, wherein: the inside of movable sleeve (6) is equipped with side shell (8), drive slot (17) have been seted up to the inside of side shell (8), the inside rotation of drive slot (17) is provided with screw gear (18), the inboard of movable short rod (5) is equipped with tooth's socket (10), and its screw gear (18) and movable short rod (5) pass through tooth's socket (10) swing joint.
6. The vibration reduction traction device for a cable-stayed bridge cable according to claim 5, wherein: the top of screw gear (18) is connected with first gear (15) coaxially, the surface of side shell (8) runs through and is provided with rotation knob (9), the center pin of rotation knob (9) runs through to the inside of drive slot (17) and overlaps and be equipped with second gear (16), and its second gear (16) is connected with first gear (15) meshing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321702728.XU CN220433388U (en) | 2023-07-01 | 2023-07-01 | Vibration reduction traction device for stay cable of cable-stayed bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321702728.XU CN220433388U (en) | 2023-07-01 | 2023-07-01 | Vibration reduction traction device for stay cable of cable-stayed bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220433388U true CN220433388U (en) | 2024-02-02 |
Family
ID=89692997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321702728.XU Active CN220433388U (en) | 2023-07-01 | 2023-07-01 | Vibration reduction traction device for stay cable of cable-stayed bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220433388U (en) |
-
2023
- 2023-07-01 CN CN202321702728.XU patent/CN220433388U/en active Active
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