CN219824915U - Cable expanding device - Google Patents

Abstract

The utility model provides a cable unwinding device. The cable spreading device comprises a buoyancy tank arranged on the water surface, a bracket for rotating the cable, a driving source for driving the bracket to rotate so as to release the cable, a hoisting tool for placing the released cable on the buoyancy tank, and a power source for driving the buoyancy tank and the cable to spread on the water surface in the horizontal direction. The utility model realizes the horizontal spreading of the cable on the water surface by additionally arranging the bracket capable of automatically releasing the cable and the buoyancy tank capable of floating on the water surface and provided with power, is not limited by the operation range and does not cause the clamping stagnation of the spreading of the cable.

Description

Cable expanding device

Technical Field

The utility model relates to the technical field of bridge construction, in particular to a cable expanding device.

Background

Cables refer to large ropes for towing or berthing vessels or for hauling vessels at quays, commonly used for bridge load bearing structures. The cable has the structure of stranded cable body, anchoring body, anticorrosion, etc. and is prefabricated and formed directly in factory.

The finished cable of factory pre-formed is relatively large in diameter and heavy in weight and is transported in a coiled condition. Before the cable is installed and fixed, the reeled cable needs to be spread on the water surface, and special auxiliary construction equipment is needed in the process. At present, an automobile crane is generally adopted for hoisting and installing a cable. On the one hand, the large-tonnage automobile crane is suitable for land operation, if the operation is needed on the water surface, a larger tonnage ship needs to be provided, the operation cost is increased, or the time waste is caused by the scheduling problem of the large-tonnage ship, or the operation range is limited due to the limitation of the size of a suspension arm of the automobile crane; on the other hand, the tail end of the suspension arm of the automobile crane cannot be kept horizontal all the time, and the reeled cable is directly unfolded on the water surface, so that the cable is easy to be blocked in the unfolding process.

Disclosure of Invention

The utility model aims to provide a cable unwinding device which can realize horizontal unwinding of a cable on a water surface, and is not limited by an operation range.

The technical scheme of the utility model is as follows: a cable unfolding device comprises a buoyancy tank arranged on the water surface, a bracket for rotating a cable, a driving source for driving the bracket to rotate so as to release the cable, a hoisting tool for placing the released cable on the buoyancy tank, and a power source for driving the buoyancy tank and the cable to unfold on the water surface in the horizontal direction.

In the scheme, the bracket capable of automatically releasing the cable and the buoyancy tank capable of floating on the water surface and provided with power are additionally arranged, so that the cable can be horizontally unfolded on the water surface, the operation range is not limited, and the clamping stagnation of the cable for unfolding is not caused.

Preferably, the bracket comprises a tray, a wheel body, a track and a winding drum, wherein the track is annularly arranged on the land, a plurality of wheels matched with the track are arranged at the bottom of the tray, a winding drum for winding a cable is arranged at the top of the tray, and a power output end of the driving source is connected with the winding drum.

Preferably, the bracket further comprises a tumbler for limiting rotation of the tray and the spool.

Preferably, the track is fixed on land through a reinforcing rib and a concrete layer, the concrete layer is coated outside the reinforcing rib, and the concrete layer is embedded in the land.

Preferably, the driving source comprises a winch and a wire rope, one end of the wire rope is wound on the winch, and the other end of the wire rope is connected with the bracket.

Preferably, the lifting tool comprises an automobile crane, a lifting hook arranged at the tail end of the automobile crane and a hanging belt arranged on the lifting hook and used for being connected with a cable.

Preferably, the two hanging straps are connected with the released cable in a way of being diverged.

Preferably, the number of the buoyancy tanks is a plurality, and a plurality of the buoyancy tanks are arranged at intervals at the tangent line of the released cable.

Preferably, the cable spreading device further comprises a plurality of brackets for supporting the bottom of the cable, and the plurality of brackets are vertically arranged on the land and are arranged between the brackets and the land and water shoreline.

Compared with the related art, the utility model has the beneficial effects that:

1. the cable spreading device realizes the horizontal spreading of the cable on the water surface by additionally arranging the bracket capable of automatically releasing the cable and the buoyancy tank capable of floating on the water surface and provided with power, is not limited by the operation range and does not cause clamping stagnation of the spreading of the cable;

2. the floating box is also suitable for water level amplitude, is convenient to use, ensures the construction quality of the cable, and prevents the cable from being damaged in the process of deployment;

3. the cable spreading device has high bearing capacity, and can realize the non-kink spreading of the horizontal (horizontal) cable with large diameter and heavy weight by combining the bracket with the buoyancy tank;

4. the cable is placed on the buoyancy tank through the automobile crane, so that the cable is applicable to the height difference between the bracket and the buoyancy tank, and the cable is effectively placed on the buoyancy tank.

Drawings

FIG. 1 is a schematic top plan view of a cable deployment device provided by the present utility model;

FIG. 2 is a schematic front view of a cable deployment device according to the present utility model;

FIG. 3 is a schematic view of the bottom structure of the bracket;

fig. 4 is a sectional view taken along A-A in fig. 3.

In the accompanying drawings: 1. a cable; 2. a lifting tool; 21. an automobile crane; 22. a hanging belt; 23. a lifting hook; 3. land and water shoreline; 4. a water surface; 5. a buoyancy tank; 6. a bracket; 61. a tray; 62. i-steel; 63. a wheel body; 64. a track; 65. a concrete layer; 66. a tumbler; 67. a reel; 68. reinforcing ribs; 7. a driving source; 71. a hoist; 72. a wire rope; 8. a bracket; 9. land.

Detailed Description

The utility model will be described in detail below with reference to the drawings in connection with embodiments. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. For convenience of description, the words "upper", "lower", "left" and "right" are used hereinafter to denote only the directions corresponding to the upper, lower, left, and right directions of the drawings, and do not limit the structure.

As shown in fig. 1 and 2, the cable deployment device provided in this embodiment spans between a land 9 and a water surface 4, and an amphibious shoreline 3 is formed between the land 9 and the water surface 4. The cable spreading device comprises a buoyancy tank 5 arranged on the water surface 4, a bracket 6 used for revolving the cable 1, a driving source 7 used for driving the bracket 6 to rotate so as to release the cable 1, a hoisting tool 2 used for placing the released cable 1 on the buoyancy tank 5, and a power source used for driving the buoyancy tank 5 and the cable 1 to spread horizontally. If the distance that the buoyancy tank 5 drives the cable 1 to move is short, the power source is formed by the thrust of the cable 1. If the buoyancy tank 5 drives the cable 1 to move for a longer distance, a winch and a traction rope are installed on the land at the other side of the bracket 6, the traction rope is connected with the buoyancy tank 5, and the buoyancy tank 5 is pulled to displace through the traction rope to form the power source.

As shown in fig. 2, 3 and 4, the bracket 6 includes a tray 61, i-steel 62, a wheel 63, a rail 64, a concrete layer 65, a tumbler 66, a drum 67 and a reinforcing bar 68.

Foundation pits are arranged on the corresponding positions of the land 9, the track 64 is of a circular ring structure, and the bottom of the track is fixedly welded with the reinforcing ribs 68. The reinforcing bars 68 are placed in the pit and concrete is poured to form the concrete layer 65. The rail 64 is fixed to the land 9 by means of said concrete layer 65.

The bottom of the tray 61 is circumferentially provided with a plurality of wheel bodies 63 matched with the rails 64, and the wheel bodies 63 are arranged at the bottom of the tray 61 through I-steel 62. The I-steel 62 has a main supporting function. The wheel 63 is a roller which can roll along a track 64 anchored to the ground. The plurality of wheels 63 and the track 64 are arranged in concentric circles.

The drum 67 is vertically disposed at an upper end of the tray 61, and the cable 1 is wound around the drum 67. The winding drum 67 may be a tool used for winding the cable 1 when leaving the factory, and when in use, the winding drum 67 is placed on the tray 61 to be connected into a whole, and the tray 61 and the winding drum 67 are driven to rotate together by sliding the wheel body 63 on the track 64, so as to realize the rope releasing of the cable 1. The tumblers 66 serve to define the rotational position of the tray 61 and the spool 67. The brake bolts 66 can be vertically connected to the tray 61 in a threaded manner, and limit is achieved through the fact that the brake bolts are attached to the upper surface of the land 9 after rotating. Alternatively, the stop bolt 66 is mounted by a horizontal thread of a support, and is attached to the outer surface of the tray 61 after being screwed to achieve limit.

As shown in fig. 1, the driving source 7 includes a hoist 71 and a wire rope 72, one end of the wire rope 72 is wound around the hoist 71, and the other end is connected to the spool 67 of the bracket 6. The wire rope 72 is wound up by driving the hoist 71 to rotate the drum 67 counterclockwise, and the unwinding section of the cable 1 on the drum 67 is unwound.

The lifting tool 2 comprises an automobile crane 21, a lifting hook 23 arranged at the tail end of the automobile crane 21 and a hanging strip 22 arranged on the lifting hook 23 and used for being connected with the cable 1. The number of the hanging strips 22 is two and the hanging strips are connected with the released cable 1 in a way of being diverged. The lifting tool 2 is used for spreading the cable 1 onto the buoyancy tank 5 with the rotation of the bracket 6.

The number of the buoyancy tanks 5 is multiple, and the buoyancy tanks 5 are arranged at intervals at the tangent line of the released cable 1.

The cable deployment device further comprises a plurality of brackets 8 for supporting the bottom of the cable 1, wherein a plurality of the brackets 8 are vertically arranged on the land 9 side by side between the bracket 6 and the land and water shoreline 3. The bracket 8 is used for erection when the cable 1 is not deployed. At this point, the tumblers 66 are locked.

The application method of the cable unwinding device provided by the utility model comprises the following steps:

s1, placing and fixing a winding drum 67 of the coiled cable 1 on a tray 61;

s2, directing the expansion section of the cable 1 (the expansion section refers to the visible end on the coiled cable 1) towards the bracket 8; and a plurality of buoyancy tanks 5 are arranged near the land and water shoreline 3 of the bracket 8;

s3, the expanding section of the vertical hoisting cable 1 is diverged through the hoisting tool 2 and the two slings 22;

s4, unlocking the brake bolts 66, starting the winch 71, driving the bracket 6 to rotate anticlockwise, and enabling the expansion section to extend; at the same time, the lifting tool 2 rotates and/or stretches out the suspension arm along with the stretching out of the exhibition section until reaching the water surface area; stopping the hoisting tool 2 and the hoist 71;

s5, moving the first buoyancy tank 5 to the position below the expansion section of the cable 1, starting the hoisting tool 2, and placing and fixing the expansion section on the first buoyancy tank 5; removing the sling 22;

s6, withdrawing the lifting hook 23 and the hanging strip 22 of the lifting tool 2, and fixing the hanging strip 22 with the cable 1 at a proper position close to the bracket 6 again;

s7, continuously starting the winch 71 and the lifting tool 2, driving the bracket 6 to continuously rotate, and stopping the first buoyancy tank 5 to drive the exhibition section to move a certain distance into water and stopping the winch 71 and the lifting tool 2;

steps S5-S7 are repeated until the cable 1 deployment section is in the proper assembly position.

After the assembly at this stage is completed, the steps are repeated to perform the next stage of installation.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (9)

1. The cable spreading device is arranged between land (9) and a water surface (4) and is characterized by comprising a buoyancy tank (5) arranged on the water surface (4), a bracket (6) used for revolving the cable (1), a driving source (7) used for driving the bracket (6) to rotate so as to release the cable (1), a lifting tool (2) used for placing the released cable (1) on the buoyancy tank (5) and a power source used for driving the buoyancy tank (5) and the cable (1) to spread on the water surface (4) in the horizontal direction.

2. Cable paying-off device according to claim 1, characterized in that the carrier (6) comprises a tray (61), a wheel body (63), a track (64) and a drum (67), the track (64) is annularly arranged on the land (9), a plurality of wheels (63) adapted to the track (64) are arranged at the bottom of the tray (61), the drum (67) for winding the cable (1) is arranged at the top of the tray (61), and the power output end of the driving source (7) is connected with the drum (67).

3. Cable deployment device according to claim 2, characterized in that the bracket (6) further comprises a tumbler (66) for defining the rotation of the tray (61) and the drum (67).

4. Cable deployment device according to claim 2, characterized in that the rail (64) is fixed to the land (9) by means of reinforcing ribs (68) and a concrete layer (65), the concrete layer (65) being coated outside the reinforcing ribs (68), the concrete layer (65) being embedded in the land (9).

5. The cable paying-out device according to claim 1, wherein the driving source (7) includes a hoist (71) and a wire rope (72), one end of the wire rope (72) is wound around the hoist (71), and the other end is connected to the bracket (6).

6. Cable deployment device according to claim 1, characterized in that the lifting means (2) comprise a truck crane (21), a hook (23) provided at the end of the truck crane (21) and a sling (22) provided on the hook (23) for connection to the cable (1).

7. Cable deployment device according to claim 6, characterized in that the sling (22) is two and is connected in a diverging manner to the released cable (1).

8. Cable deployment device according to claim 1, wherein the number of buoyancy tanks (5) is plural, a plurality of buoyancy tanks (5) being arranged at intervals at a tangent to the released cable (1).

9. A cable deployment device according to claim 1, further comprising a plurality of brackets (8) for supporting the bottom of the cable (1), a plurality of said brackets (8) being vertically mounted on land (9) and arranged side by side between said cradle (6) and the amphibious shoreline (3).