Construction platform for stay cable of cable-stayed bridge

Abstract

The construction platform comprises a walking assembly, a hanging assembly and a traction assembly, the walking assembly comprises walking wheels, side plates, a rotating shaft and a connecting piece, the two walking wheels are distributed in an aligned mode in the radial direction, the side plates are arranged on the two axial sides of the two walking wheels, the walking wheels are rotationally arranged between the two side plates, and the rotating shaft is arranged between the two side plates; the same ends of the two side plates are rotationally connected with the connecting piece, the connecting piece is fixedly connected with the traction assembly, a rotating shaft is rotationally arranged in the middles of the two side plates, the two ends of the rotating shaft are rotationally connected with the vertically-arranged hanging assembly, and the electric hanging baskets are hung at the bottoms of the two sides of the hanging assembly. Compared with the prior art, the traction assembly pulls the walking assembly to move up and down along the upper surface of the stay cable, then the walking assembly drives the electric hanging basket to move in the inclined direction of the stay cable through the hanging assembly, the stay cable can be overhauled or constructed by adjusting the position of the electric hanging basket in the vertical direction, operation is convenient, and construction efficiency is improved. And the working efficiency is improved.

Description

Technical Field

[0001] This application relates to the field of cable-stayed bridge maintenance and construction technology, specifically to a construction platform for cable-stayed bridge cables. Background Technology

[0002] A cable-stayed bridge is a type of bridge where the main girder is directly supported by numerous cables to the bridge towers. It is a structural system composed of compression-bearing towers, tension-bearing cables, and bending-bearing girder sections. It can be viewed as a multi-span elastically supported continuous beam where cables replace piers. This reduces bending moments within the girder, lowers the building height, reduces structural weight, and saves materials. A cable-stayed bridge mainly consists of towers, main girder, and stay cables. Currently, when inspecting or constructing work on the stay cables of a cable-stayed bridge, cranes are typically used to lift the construction platform. Some stay cables are quite high, placing high demands on the cranes, and the cranes often occupy almost the entire lane, significantly impacting normal road traffic. The lifting platform is also prone to hitting the stay cables, damaging their protective sleeves, and the work is inefficient. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the purpose of this application is to provide a construction platform for the stay cables of cable-stayed bridges to solve the problems mentioned in the background art.

[0004] According to one aspect of this application, a construction platform for a cable-stayed bridge includes a traveling assembly, a suspension assembly, and a traction assembly. The traveling assembly includes traveling wheels, side plates, a rotating shaft, and a connector. Two traveling wheels are radially aligned and distributed. Side plates are provided on both sides of the axial direction of the two traveling wheels. The traveling wheels are rotatably disposed between the two side plates. The same end of the two side plates is rotatably connected to the connector. The connector is fixedly connected to the traction assembly. The traction assembly is used to traction the traveling wheels to move up and down along the upper surface of the cable-stayed bridge. A rotating shaft is rotatably disposed in the middle of the two side plates. The two ends of the rotating shaft are rotatably connected to the vertically arranged suspension assembly. Suspended baskets are suspended at the bottom of both sides of the suspension assembly.

[0005] Preferably, the traction assembly includes a traction motor, a steering assembly, and a traction wire rope. When the traction motor is installed at the top of the cable-stayed bridge tower, the steering assembly is fixedly installed at the contact position between the top of the cable-stayed cable where the traveling wheel is located and the bridge tower. The traction motor is connected to one end of the traction wire rope, and the other end of the traction wire rope passes through the steering assembly and is fixedly connected to the connector along the cable-stayed cable parallel to the traveling wheel.

[0006] Preferably, when the traction motor is installed at the bottom of the cable-stayed bridge tower, the steering assembly is fixedly installed at the contact position between the top of the cable and the bridge tower above the location of the traveling wheel. The traction motor is connected to one end of the traction wire rope, and the other end of the traction wire rope passes through the steering assembly and is fixedly connected to the connector along the cable above the location of the traveling wheel.

[0007] Preferably, the steering assembly includes a clamp and a steering pulley. The clamp is fixedly provided with steering pulleys at both the top and bottom. The clamp is fixedly provided at the contact position between the top of the cable stay and the bridge tower. When the traction motor is installed at the top of the cable stay bridge tower, the traction wire rope passes through the steering pulley provided at the top of the clamp. When the traction motor is installed at the bottom of the cable stay bridge tower, the traction wire rope passes through the steering pulley provided at the bottom of the clamp.

[0008] Preferably, a fall arrestor safety lock is fixedly installed at the front end of the connector, and a safety wire rope is connected to the fall arrestor safety lock. The other end of the safety wire rope is fixedly connected to the clamp or bridge tower.

[0009] Preferably, the suspension assembly includes uprights, crossbars, and connecting lugs. The two side plates are rotatably connected to the upper ends of two vertically arranged uprights on opposite sides. The crossbars are fixedly mounted on the uprights, and each crossbar has a connecting lug fixedly mounted on its outer bottom. Each crossbar has a reinforcing rod fixedly mounted on it, and the two reinforcing rods are symmetrically arranged. Each connecting lug is equipped with a vertically lifting basket, and the baskets on both sides are symmetrically arranged. At least one connecting rod is fixedly connected between the baskets on both sides.

[0010] Preferably, a crash bar is fixed between the lower ends of the two columns on opposite sides.

[0011] Preferably, the anti-collision bar is fitted with a soft rubber sleeve.

[0012] The advantages of this application compared with the prior art are as follows: The construction platform for cable-stayed bridge cables of this application, through the arrangement of traction component, traveling component and suspension component, enables the traction component to pull the traveling component to move up and down along the upper surface of the cable, thereby enabling the traveling component to drive the basket to move obliquely along the cable through the suspension component. By adjusting the vertical position of the basket, the cable can be inspected or constructed, which is convenient to operate and improves work efficiency. Attached Figure Description

[0013] Figure 1 This is a structural schematic diagram of a construction platform for cable-stayed bridge cables according to an embodiment of this application.

[0014] Figure 2This is a perspective view of a walking assembly and a suspension assembly of a construction platform for cable-stayed bridge cables according to an embodiment of this application.

[0015] Figure 3 This is a usage diagram (1) of a construction platform for cable-stayed bridge cables according to an embodiment of this application.

[0016] Figure 4 yes Figure 3 Enlarged structural diagram of section A in the middle.

[0017] Figure 5 This is a usage diagram (2) of a construction platform for cable-stayed bridge cables according to an embodiment of this application.

[0018] Figure 6 This is a perspective view of a steering assembly for a construction platform for cable-stayed bridge stay cables according to an embodiment of this application.

[0019] Reference numerals: 1. Traveling assembly; 101. Traveling wheel; 102. Side plate; 103. Rotating shaft; 104. Connector; 2. Suspension assembly; 201. Column; 202. Crossbeam; 203. Connecting lug; 204. Reinforcing rod; 3. Traction assembly; 301. Traction motor; 302. Steering assembly; 3021. Clamp; 3022. Steering pulley; 303. Traction wire rope; 4. Suspended basket; 401. Hoist; 402. Safety lock; 403. Working wire rope; 404. Safety rope; 5. Fall protection safety lock; 6. Safety wire rope; 7. Connecting rod; 8. Anti-collision rod; 9. Soft rubber sleeve; 10. Cable stay; 11. Bridge tower. Detailed Implementation

[0020] To make the content of this application easier to understand, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. It should be noted that the terms "front," "rear," "left," "right," "upper," and "lower" used in the following description refer to the accompanying drawings. Figure 3 In the context of direction, the terms "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0021] like Figure 1 and Figure 2As shown, a construction platform for cable-stayed bridge cables includes a traveling assembly 1, a suspension assembly 2, and a traction assembly 3. The traveling assembly 1 comprises traveling wheels 101, side plates 102, a rotating shaft 103, and a connecting member 104. Two traveling wheels 101 are radially aligned, and side plates 102 are provided on both axial sides of each traveling wheel 101. The traveling wheels 101 are rotatably positioned between the two side plates 102. The same end of each side plate 102 is rotatably connected to the connecting member 104. The connecting member 104 is fixedly connected to the traction assembly 3. The traction assembly 3 is used to traction the traveling wheels 101 to move up and down along the upper surface of the cable-stayed bridge 10. A rotating shaft 103 is rotatably provided in the middle of the two side plates 102, and both ends of the rotating shaft 103 are rotatably connected to the vertically arranged suspension assembly 2. Specifically... The suspension assembly 2 includes a column 201, a crossbeam 202, and a connecting lug 203. The two side plates 102 are rotatably connected to the upper ends of two vertically arranged columns 201 on opposite sides. A crossbeam 202 is fixedly provided on each column 201, and a connecting lug 203 is fixedly provided on the bottom outer side of each crossbeam 202. A reinforcing rod 204 is fixedly provided on each crossbeam 202. The two reinforcing rods 204 are symmetrically arranged. A basket 4 capable of vertical lifting is suspended on each connecting lug 203. The baskets 4 on both sides are symmetrically arranged, and at least one connecting rod 7 is fixedly connected between the baskets 4 on both sides. A collision protection rod 8 is fixedly provided between the lower ends of the opposite sides of the two columns 201. A soft rubber sleeve 9 is fitted on the collision protection rod 8 to prevent the basket 4 from hitting the cable 10.

[0022] It should be noted that the suspended platform 4 is existing technology. The suspended platform 4 is equipped with a hoist 401 and a suspended platform safety lock 402. A working wire rope 403 is connected to the hoist 401. The other end of the working wire rope 403 is fixedly connected to the connecting lug 203. A safety rope 404 is threaded through the suspended platform safety lock 402. The other end of the safety rope 404 is fixedly connected to the connecting lug 203. When the working wire rope 403 breaks or one end of the suspended platform 4 tilts, the safety rope 404 can be automatically locked to prevent the suspended platform from descending.

[0023] In one embodiment, combined Figures 3-6 The traction assembly 3 includes a traction motor 301, a steering assembly 302, and a traction wire rope 303. The steering assembly 302 includes a clamp 3021 and a steering pulley 3022. The clamp 3021 has the steering pulley 3022 fixedly mounted on both its top and bottom (e.g., ...). Figure 6 As shown), specifically, a rubber gasket is added to the inner surface of the clamp 3021 to increase friction and make it more secure. The traction motor 301 can be a hoist or a winch. In specific implementation, there are two traction methods:

[0024] 1. When the traction motor 301 is installed at the top of the cable-stayed bridge tower 11 (e.g.) Figure 3The clamp 3021 is fixedly installed at the contact point between the top of the stay cable 10 where the traveling wheel 101 is located and the bridge tower 11 (e.g., Figure 3 The traction motor 301 is connected to one end of the traction wire rope 303. The other end of the traction wire rope 303 passes vertically downward through the steering pulley 3022 set at the top of the clamp 3021, and is fixedly connected to the connector 104 along the inclined cable 10 parallel to the traveling wheel 101. In specific implementation, the traction motor 301 pulls the traction wire rope 303 upward, and then pulls the traveling wheel 101 along the upper surface of the inclined cable 10 through the connector 104. The vertical lifting of the basket 4 is adjusted. At this time, the basket 4 is located at the lower position of the inclined cable 10 and is inspected or constructed.

[0025] II. When the traction motor 301 is installed at the bottom end of the cable-stayed bridge tower 11 (e.g.) Figure 5 As shown, the clamp 3021 is fixedly installed at the contact point between the top of a stay cable 10 above the location of the traveling wheel 101 and the bridge tower 11. The traction motor 301 is connected to one end of the traction wire rope 303. The other end of the traction wire rope 303 passes vertically upward through the steering pulley 3022 set at the bottom of the clamp 3021 and is fixedly connected to the connector 104 along the stay cable 10 above the location of the traveling wheel 101. In specific implementation, the traction motor 301 pulls the traction wire rope 303 downward, which in turn pulls the traveling wheel 101 along the upper surface of the stay cable 10 through the connector 104. The vertical lifting of the basket 4 is adjusted. At this time, the basket 4 is located at the position of the stay cable 10 below and is used for inspection or construction.

[0026] Specifically, in combination Figure 4 A fall arrestor safety lock 5 is fixedly installed at the front end of the connector 104. A safety wire rope 6 is connected to the fall arrestor safety lock 5. The other end of the safety wire rope 6 is fixedly connected to the clamp 3021 or the bridge tower 11. In the event that the traction wire rope 303 suddenly breaks, the fall arrestor safety lock 5 will lock instantly to prevent the traveling wheel 101 from sliding down the cable 10 quickly and causing a safety accident. This can effectively ensure the safety of the entire cable 10 construction platform.

[0027] The above embodiments are only used to illustrate the technical solutions of the embodiments of this application, and are not intended to limit them. Although the embodiments of this application have been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features, without departing from the spirit and scope defined by the claims of this application.

Claims

1. A construction platform for cable-stayed bridge stays, comprising a traveling assembly (1), a suspension assembly (2), and a traction assembly (3), characterized in that, The walking assembly (1) includes a walking wheel (101), a side plate (102), a rotating shaft (103), and a connecting member (104). The two walking wheels (101) are radially aligned and distributed. A side plate (102) is provided on both sides of the axial direction of the two walking wheels (101). The walking wheel (101) is rotatably disposed between the two side plates (102). The same end of the two side plates (102) is rotatably connected to the connecting member (104). The connecting member (104) is fixedly connected to the traction assembly (3). The traction assembly (3) is used to traction the walking wheel (101) to move up and down along the upper surface of the cable (10). A rotating shaft (103) is rotatably disposed in the middle of the two side plates (102). The two ends of the rotating shaft (103) are rotatably connected to the vertically disposed suspension assembly (2). A basket (4) is suspended at the bottom of both sides of the suspension assembly (2).

2. The construction platform for cable-stayed bridge stay cables according to claim 1, characterized in that, The traction assembly (3) includes a traction motor (301), a steering assembly (302), and a traction wire rope (303). When the traction motor (301) is installed at the top of the cable-stayed bridge tower, the steering assembly (302) is fixedly installed at the contact position between the top of the cable-stayed cable (10) where the traveling wheel (101) is located and the bridge tower. The traction motor (301) is connected to one end of the traction wire rope (303), and the other end of the traction wire rope (303) passes through the steering assembly (302) and is fixedly connected to the connector (104) along the cable-stayed cable (10) parallel to the traveling wheel (101).

3. A construction platform for cable-stayed bridge stay cables according to claim 2, characterized in that, When the traction motor (301) is installed at the bottom of the cable-stayed bridge tower, the steering assembly (302) is fixedly installed at the contact position between the top of the cable (10) and the bridge tower above the location of the traveling wheel (101). The traction motor (301) is connected to one end of the traction wire rope (303), and the other end of the traction wire rope (303) passes through the steering assembly (302) and is fixedly connected to the connector (104) along the cable (10) above the location of the traveling wheel (101).

4. A construction platform for cable-stayed bridge stay cables according to claim 3, characterized in that, The steering assembly (302) includes a clamp (3021) and a steering pulley (3022). The clamp (3021) is fixedly provided with steering pulleys (3022) at both the top and bottom. The clamp (3021) is fixedly provided at the contact position between the top of the cable-stayed cable (10) and the bridge tower. When the traction motor (301) is installed at the top of the cable-stayed bridge tower, the traction wire rope (303) passes through the steering pulley (3022) provided at the top of the clamp (3021). When the traction motor (301) is installed at the bottom of the cable-stayed bridge tower, the traction wire rope (303) passes through the steering pulley (3022) provided at the bottom of the clamp (3021).

5. A construction platform for cable-stayed bridge stay cables according to claim 4, characterized in that, The front end of the connector (104) is fixedly equipped with a fall protection safety lock (5), and a safety wire rope (6) is connected to the fall protection safety lock (5). The other end of the safety wire rope (6) is fixedly connected to the clamp (3021) or the bridge tower.

6. A construction platform for cable-stayed bridge stay cables according to claim 1, characterized in that, The suspension assembly (2) includes a column (201), a crossbeam (202), and a connecting lug (203). The two side plates (102) are rotatably connected to the upper ends of the two vertically arranged columns (201) on opposite sides. The crossbeam (202) is fixedly mounted on the column (201), and a connecting lug (203) is fixedly provided on the bottom outer side of each crossbeam (202). A reinforcing rod (204) is fixedly provided on each crossbeam (202), and the two reinforcing rods (204) are symmetrically arranged. A basket (4) capable of vertical lifting is suspended on each connecting lug (203). The baskets (4) on both sides are symmetrically arranged, and at least one connecting rod (7) is fixedly connected between the baskets (4) on both sides.

7. A construction platform for cable-stayed bridge stay cables according to claim 6, characterized in that, A crash bar (8) is fixed between the lower ends of the two columns (201) on opposite sides.

8. A construction platform for cable-stayed bridge stay cables according to claim 7, characterized in that, The anti-collision bar (8) is fitted with a soft rubber sleeve (9).

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