Construction platform for overhauling sling of suspension bridge

Abstract

The construction platform comprises a walking supporting frame, walking wheels are rotationally arranged at the four corners of the bottom of the walking supporting frame, the walking wheels are arranged on a suspension bridge handrail steel wire rope in a rolling mode, a traction motor is installed at the top of the walking supporting frame, and construction lifting hanging baskets are arranged on the portions, located on the two sides of a suspension bridge main cable, of the walking supporting frame. The construction lifting baskets located on the two sides of the suspension bridge main cable are located on the two sides of a suspension bridge sling correspondingly when the suspension bridge sling is overhauled, a connecting assembly is connected between the two construction lifting baskets, and the middle of the connecting assembly abuts against the two sides of the suspension bridge sling and can move up and down along the suspension bridge sling. The two ends of the connecting assembly are fixedly connected with the construction lifting hanging baskets on the two sides correspondingly. Through the arrangement of the connecting assembly, the construction lifting basket can be prevented from shaking when being blown by high-altitude wind or subjected to starting and stopping inertia during lifting in the lifting and overhauling process, and therefore the suspension bridge sling can be overhauled conveniently.

Description

Technical Field

[0001] The present application relates to the technical field of maintenance of suspension bridge cables, and in particular to a construction platform for maintenance of suspension bridge cables. Background Art

[0002] The suspension cable is one of the main load-bearing components of the suspension bridge. The cable plays a role in transmitting the deadweight of the stiffening beam and external load to the main cable. It is the link between the stiffening beam and the main cable. The cable is generally made of high-strength steel wire rope or cable, which has sufficient strength to cope with the weight of vehicles and pedestrians on the bridge deck, while maintaining the stability of the bridge. After the suspension bridge is put into use, the cable will be exposed to the air for a long time, and the polyethylene protective layer on its surface will show different degrees of hardening and aging. The steel wire bundle inside the cable is also corroded by moisture and other acidic substances in the air. In severe cases, the wire may even break, endangering the safety of the bridge. At present, the maintenance of the suspension bridge cables is usually carried out using a lifting construction hanging basket. When the suspension bridge cables are repaired using the construction hanging basket, the suspension bridge cables are inspected at different heights by lifting the construction hanging basket. However, during the lifting and maintenance process, since the construction hanging basket is in a high-altitude environment, it will shake when affected by the high-altitude wind or the start-stop inertia when lifting and lowering, which makes it inconvenient to carry out maintenance work on the suspension bridge cables. Utility Model Content

[0003] In view of the deficiencies in the prior art, the purpose of this application is to provide a construction platform for the maintenance of suspension bridge cables to solve the problems raised in the above-mentioned background technology.

[0004] According to one aspect of the present application, a construction platform for repairing suspension bridge cables comprises a walking support frame, a construction lifting basket and a connecting assembly, wherein the four corners of the bottom of the walking support frame are rotatably provided with walking wheels, and the walking wheels are rollingly arranged on the steel wire ropes of the suspension bridge handrails, and a traction motor is installed on the top of the walking support frame, and the walking support frame is connected to construction lifting baskets on both sides of the main cable of the suspension bridge, and the construction lifting baskets located on both sides of the main cable of the suspension bridge are respectively located on both sides of the suspension bridge cables when repairing the suspension bridge cables, and a connecting assembly is connected between the two construction lifting baskets, the middle part of the connecting assembly is supported on both sides of the suspension bridge cables and can move up and down along the suspension bridge cables, and the two ends of the connecting assembly are respectively fixedly connected to the construction lifting baskets on both sides.

[0005] Preferably, the connecting assembly includes a vertical fixing frame, a connecting tube, a telescopic rod, an adjustment support frame and an adjustment roller assembly, the two vertical fixing frames are respectively fixedly arranged at opposite side positions of the two construction lifting baskets through connecting pieces, and the two vertical fixing frames are symmetrically arranged, the upper and lower parts of a vertical side of the opposite faces of the two vertical fixing frames are both horizontally fixedly extended with a connecting tube, a telescopic rod is arranged between the two opposite connecting tubes, the two ends of the telescopic rod are respectively slidably arranged in the two opposite connecting tubes, and the upper and lower parts of the other vertical side of the opposite faces of the two vertical fixing frames form a placement opening, the placement opening is used to pass the suspension bridge cable during maintenance, and adjustment support frames are fixedly arranged on both sides of the middle part of the two vertical fixing frames, and an adjustable adjustment roller assembly is arranged between the adjustment support frames on both sides, and the adjustment roller assembly can be adjusted back and forth in the horizontal direction and conflict with the suspension bridge cable.

[0006] Preferably, the adjustment roller assembly includes an adjustment seat and a rolling wheel, the adjustment seat is horizontally arranged, and waist-shaped adjustment holes are penetrated on both sides of the adjustment seat, and both sides of the adjustment seat are fixedly connected to the adjustment support frames on both sides through connecting bolts passing through the waist-shaped adjustment holes, and at least two connecting bolts are arranged on each side, and a rolling wheel is rotatably provided at the end of the adjustment seat toward the placement port, and during maintenance, the rolling wheel contacts the outer surface of the suspension bridge cable.

[0007] Preferably, the middle portion of the rolling wheel is concave.

[0008] Preferably, at least two connecting members are fixedly provided on the upper and lower parts of one side of each vertical fixing frame away from the connecting tube, and the connecting member is a U-shaped fastening plate, and the U-shaped fastening plate is clamped on the cross bar of the construction lifting basket and fastened by bolts.

[0009] Preferably, a fastening bolt is threadedly provided on each of the connecting tubes at the connection position with the telescopic rod.

[0010] The advantages of the present application over the prior art are as follows: the present application is a construction platform for the maintenance of suspension bridge cables, through a connecting assembly arranged between two construction lifting hanging baskets. Before the lifting and maintenance, the fastening bolts on the connecting assembly are loosened, and the vertical fixing frames on both sides are pulled to make the connecting tube and the telescopic tube slide relative to each other, and then the vertical fixing frames on both sides of the connecting assembly are respectively clamped on the cross bars on the opposite sides of the two construction lifting hanging baskets through U-shaped fastening plates, and then the connecting assembly is moved along the hanging basket cross bars so that the suspension bridge cable is placed in the placement opening on the connecting assembly, and then the U-shaped fastening is tightened by bolts. The fixing plate is fixedly connected to the construction lifting basket, and the fastening bolts are tightened to fix the two vertical fixing frames relatively. Then, the connecting bolts are loosened and the adjusting seat is pushed toward the suspension bridge cable, so that the concave surface of the rolling wheel on the adjusting seat contacts the outer surface of the suspension bridge cable. Then, the connecting bolts are tightened to fix the adjusting seat with the adjusting support seat on the vertical fixing frame. As a result, when the construction lifting basket is lifted, the rolling wheel can contact and roll along the vertical direction of the suspension bridge cable, thereby avoiding the shaking of the construction basket during the lifting and maintenance process, so as to facilitate the maintenance of the suspension bridge cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a stereoscopic diagram of a construction platform for repairing suspension cables of a suspension bridge according to an embodiment of the present application when in use.

[0012] Figure 2 It is a side view of a construction platform for repairing suspension cables of a suspension bridge according to one embodiment of the present application when in use.

[0013] Figure 3 This is a front view of a construction platform for repairing suspension cables of a suspension bridge according to an embodiment of the present application when in use.

[0014] Figure 4 The present invention is a top view of a construction platform for repairing suspension cables of a suspension bridge according to an embodiment of the present application.

[0015] Figure 5 It is a stereoscopic diagram of a connection assembly of a construction platform for repairing suspension bridge cables according to an embodiment of the present application.

[0016] Figure 6 It is a cross-sectional view of a connection assembly of a construction platform for repairing suspension bridge cables according to an embodiment of the present application.

[0017] Figure 7 It is a three-dimensional exploded view of a connection assembly of a construction platform for repairing suspension bridge cables according to an embodiment of the present application.

[0018] Figure numerals: 1. Walking support frame; 2. Construction lifting basket; 3. Connecting assembly; 31. Vertical fixed frame; 32. Connecting tube; 33. Telescopic rod; 34. Adjusting support frame; 35. Adjusting roller assembly; 351. Adjusting seat; 352. Rolling wheel; 353. Waist-shaped adjusting hole; 354. Connecting bolt; 36. Placement port; 37. U-shaped fastening plate; 38. Fastening bolt; 4. Walking wheel; 5. Suspension bridge handrail wire rope; 6. Suspension bridge main cable; 7. Suspension bridge sling. DETAILED DESCRIPTION

[0019] In order to make the content of this application easier to understand, the technical solutions in the embodiments of this application will be described clearly and completely in conjunction with the drawings in the embodiments of this application. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the attached drawings. Figure 3 As used herein, the terms "inward" and "outward" refer to directions toward and away from, respectively, the geometric center of the particular component.

[0020] like Figure 1 to Figure 4 As shown, a construction platform for repairing suspension bridge cables comprises a walking support frame 1, a construction lifting basket 2 and a connecting assembly 3. The walking support frame 1 is rotatably provided with walking wheels 4 at the four corners at the bottom. The walking wheels 4 are rotatably provided on the steel wire rope 5 of the suspension bridge handrail. A traction motor is installed on the top of the walking support frame 1. The traction motor is used to pull the walking support frame 1 to move. The walking support frame 1 is located on both sides of the main cable 6 of the suspension bridge and is connected with a construction lifting basket 2. A hoist is installed on the construction lifting basket 2. The hoist is fixedly connected to the walking support frame 1 through the lifting steel wire rope. The construction lifting baskets 2 located on both sides of the main cable 6 of the suspension bridge are respectively located on both sides of the suspension bridge cable 7 when repairing the suspension bridge cable 7. A connecting assembly 3 is connected between the two construction lifting baskets 2. Specifically, in combination with Figure 5 to Figure 7The connection assembly 3 includes a vertical fixing frame 31, a connecting tube 32, a telescopic rod 33, an adjustment support frame 34 and an adjustment roller assembly 35. The two vertical fixing frames 31 are symmetrically arranged, and the four corners of the opposite sides of the two vertical fixing frames 31 are fixed with U-shaped fastening plates 37. The two vertical fixing frames 31 are clamped on the cross bars of the opposite sides of the two construction lifting baskets 2 through the U-shaped fastening plates 37 and are fastened and connected by bolts. The upper and lower parts of the vertical sides of the opposite sides of the two vertical fixing frames 31 are fixedly extended horizontally opposite to each other. A connecting tube 32 is provided, and a telescopic rod 33 is provided between the two opposite connecting tubes 32. The two ends of the telescopic rod 33 are respectively slidably arranged in the two opposite connecting tubes 32, and a fastening bolt 38 is threadedly provided at the connection position of each connecting tube 32 and the telescopic rod 33. In this design, the two vertical fixing frames 31 can be adapted to construction lifting hanging baskets 2 at different distances through the telescopic setting of the telescopic rod 33 in the connecting tube 32, which is convenient for adjustment. The upper and lower parts of the other vertical sides of the opposite faces of the two vertical fixing frames 31 form a placement opening 36, and the placement opening 36 is used to pass the suspension bridge sling 7 during maintenance. Adjustment support frames 34 are fixed on both sides of the middle of the two vertical fixing frames 31, and an adjustable adjustment roller assembly 35 is provided between the adjustment support frames 34 on both sides; specifically, the adjustment roller assembly 35 includes an adjustment seat 351 and a rolling wheel 352. The adjustment seat 351 is horizontally arranged, and waist-shaped adjustment holes 353 are penetrated on both sides of the adjustment seat 351. Both sides of the adjustment seat 351 are connected by connecting bolts 35 The waist-shaped adjustment holes 353 are respectively fixedly connected to the adjustment support frames 34 on both sides. The waist-shaped adjustment holes 353 are provided so that the adjustment seat 351 can be adjusted forward and backward, and at least two connecting bolts 354 are provided on each side to ensure the stability of the adjustment seat 351 after being fixed. The end of the adjustment seat 351 facing the placement opening 36 is provided with a rolling wheel 352 for rotation, and the middle part of the rolling wheel 352 is concave, so that the concave surface of the rolling wheel 352 can stably contact the outer surface of the suspension bridge cable 7 during maintenance.

[0021] In summary, it can be seen that by setting the connecting assembly 3 between the two construction lifting baskets 2, before lifting and maintenance, the fastening bolts 38 on the connecting assembly 3 are loosened, and the vertical fixing frames 31 on both sides are pulled to make the connecting tube 32 and the telescopic tube slide relative to each other, and then the vertical fixing frames 31 on both sides of the connecting assembly 3 are respectively clamped on the cross bars on the opposite sides of the two construction lifting baskets 2 through U-shaped fastening plates 37, and then the connecting assembly 3 is moved along the basket cross bar so that the suspension bridge sling 7 is placed in the placement port 36 on the connecting assembly 3, and then the U-shaped fastening plate 37 is fixedly connected to the construction lifting basket 2 by bolts, and the fastening bolts are tightened. 38 makes the two vertical fixing frames 31 relatively fixed, then loosen the connecting bolts 354 and push the adjusting seat 351 toward the suspension bridge cable 7, so that the concave surface of the rolling wheel 352 on the adjusting seat 351 contacts the outer surface of the suspension bridge cable 7, and then tighten the connecting bolts 354 to fix the adjusting seat 351 with the adjusting support seat on the vertical fixing frame 31, so that when the lifting basket 2 is raised and lowered for construction, the rolling wheel 352 can contact and roll along the vertical direction of the suspension bridge cable 7, thereby avoiding the shaking of the construction basket during the lifting and maintenance process, so as to facilitate the maintenance of the suspension bridge cable 7.

[0022] The above embodiments are only used to illustrate the technical solutions of the embodiments of the present application, rather than to limit them. Although the embodiments of the present application are described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the technical solutions described in the above embodiments can still be modified, or some of the technical features can be replaced by equivalents, without departing from the spirit and scope defined by the claims of the present application.

Claims

1. A construction platform for maintenance of suspension cables of a suspension bridge, comprising a walking support frame (1), a construction lifting basket (2) and a connecting assembly (3), characterized in that: The four corners of the bottom of the walking support frame (1) are rotatably provided with walking wheels (4), and the walking wheels (4) are rotatably arranged on the steel wire ropes (5) of the suspension bridge handrails. A traction motor is installed on the top of the walking support frame (1). The walking support frame (1) is connected to construction lifting baskets (2) on both sides of the main cable (6) of the suspension bridge. The construction lifting baskets (2) located on both sides of the main cable (6) of the suspension bridge are respectively located on both sides of the suspension bridge cable (7) when the suspension bridge cable (7) is inspected. A connecting component (3) is connected between the two construction lifting baskets (2). The middle part of the connecting component (3) is supported on both sides of the suspension bridge cable (7) and can move up and down along the suspension bridge cable (7), and the two ends of the connecting component (3) are respectively fixedly connected to the construction lifting baskets (2) on both sides.

2. A construction platform for maintenance of suspension bridge cables according to claim 1, characterized in that: The connecting assembly (3) comprises a vertical fixing frame (31), a connecting tube (32), a telescopic rod (33), an adjustment support frame (34) and an adjustment roller assembly (35). The two vertical fixing frames (31) are respectively fixedly arranged at opposite side positions of the two construction lifting baskets (2) through connecting pieces, and the two vertical fixing frames (31) are symmetrically arranged. The upper and lower parts of one vertical side of the opposite surface of the two vertical fixing frames (31) are both horizontally fixedly extended with a connecting tube (32). A telescopic rod (33) is arranged between the two opposite connecting tubes (32). The telescopic rod The two ends of the (33) are respectively slidably arranged in the two opposite connecting tubes (32), and the upper and lower parts of the other vertical sides of the opposite faces of the two vertical fixing frames (31) form a placement opening (36), and the placement opening (36) is used to pass the suspension bridge sling (7) during maintenance. Adjustment support frames (34) are fixedly arranged on both sides of the middle part of the two vertical fixing frames (31), and an adjustable adjustment roller assembly (35) is arranged between the adjustment support frames (34) on both sides. The adjustment roller assembly (35) can be adjusted forward and backward in the horizontal direction and contacts the suspension bridge sling (7).

3. A construction platform for maintenance of suspension bridge cables according to claim 2, characterized in that: The adjusting roller assembly (35) comprises an adjusting seat (351) and a rolling wheel (352). The adjusting seat (351) is arranged horizontally, and waist-shaped adjusting holes (353) are provided on both sides of the adjusting seat (351). Both sides of the adjusting seat (351) are fixedly connected to the adjusting support frames (34) on both sides through connecting bolts (354) passing through the waist-shaped adjusting holes (353), and at least two connecting bolts (354) are provided on each side. The end of the adjusting seat (351) facing the placement opening (36) is rotatably provided with a rolling wheel (352). During maintenance, the rolling wheel (352) contacts the outer surface of the suspension bridge cable (7).

4. A construction platform for maintenance of suspension bridge cables according to claim 3, characterized in that: The middle portion of the rolling wheel (352) is concave.

5. A construction platform for maintenance of suspension bridge cables according to claim 2, characterized in that: At least two of the connecting members are fixedly provided at the upper and lower parts of a side of each of the vertical fixing frames (31) away from the connecting tube (32), wherein the connecting member is a U-shaped fastening plate (37), and the U-shaped fastening plate (37) is clamped on the cross bar of the construction lifting basket (2) and fastened by bolts.

6. A construction platform for maintenance of suspension bridge cables according to claim 2, characterized in that: A fastening bolt (38) is threadedly provided at a connection position between each connecting tube (32) and the telescopic rod (33).

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