Single-hook pile turning device

Abstract

The utility model belongs to the technical field of overturning tools, and particularly relates to a single-hook pile overturning device which comprises a crane and a base, a fixator is arranged on one side wall of the base, a winch is arranged on the other side wall of the base, and the end, away from the winch, of a first rope on the winch is fixedly connected with the top end of the crane. The side wall, where the winch is installed, of the base is perpendicular to the side wall, where the fixing device is installed, of the base, and a gap is preset between the fixing device and the plane where the side wall, where the winch is installed, of the base is located. According to the single-hook pile overturning device, the mode that the crane is matched with the base provided with the fixator is adopted, the designed single-hook pile overturning device can overturn a pile in the air in a single-hook mode, and the problem that pile overturning in the air in the single-hook mode cannot be completed at present is solved.

Description

Technical Field

[0001] The present application belongs to the technical field of turning tools, and specifically relates to a single-hook pile turning device. Background Art

[0002] At present, the construction of offshore wind turbine single piles requires pile turning, and the corresponding pile turning methods include: using two ships to turn the pile, one with the main lifting lug and the other with the tail; using the main and auxiliary hooks of a ship to turn the pile; using a special pile-holding pile turning device installed on the ship to turn the pile; using a single hook to turn the pile. At present, it is not possible to complete the pile turning in the air using a single hook. Utility Model Content

[0003] The purpose of this application is mainly to address the shortcomings of the prior art. A single-hook pile turning device is designed by using a crane in conjunction with a base equipped with a fixer. The device can flip the pile in the air with a single hook, solving the problem that pile turning in the air cannot be completed with a single hook.

[0004] In order to achieve the above purpose, the technical solution adopted in this application is:

[0005] A single-hook pile turning device comprises a crane and a base. A fixer is provided on one side wall of the base, and a winch is provided on the other side wall. The end of a first rope on the winch away from the winch is fixedly connected to the top of the crane. The side wall on the base where the winch is installed is perpendicular to the side wall on the base where the fixer is installed. A gap is preset between the fixer and the plane where the side wall on the base where the winch is installed is located.

[0006] Preferably, the base is provided with two rollers whose axes are parallel to each other through a mounting seat, the mounting seat is provided on the side wall of the base on which a winch is provided, the mounting seat is located on one end of the side wall of the base on which the winch is provided facing the execution direction of the fixer, the connecting line segment between the two rollers is perpendicular to the side wall of the winch provided on the base, and the circumferential surfaces of the two rollers are both rollingly connected with the two ends of the first rope.

[0007] Preferably, the fixer includes an upper support plate and a lower support plate which cooperate with each other, the upper support plate and the lower support plate are both perpendicular to the side wall of the base on which the fixer is installed, the upper support plate is fixedly connected to the base, one end of the lower support plate is rotatably connected to the base, and the other end is a free end, a hydraulic cylinder is provided on the base, one end of the hydraulic cylinder is rotatably provided on the side wall of the base on which the fixer is provided, and the other end of the hydraulic cylinder is rotatably connected to both ends of the lower support plate.

[0008] Preferably, flexible pads are provided on the upper surface of the upper support plate and on the lower surface of the lower support plate.

[0009] Preferably, a stop block is provided on the side wall of the base where the fixer is set, and the stop block is fixedly connected to the side of the upper support plate facing away from the lower support plate. A preset distance is provided between the free end of the upper support plate and the stop block, and the flexible pad is also provided on the side of the stop block facing away from the base.

[0010] Preferably, a reinforcing rod is provided on the base on the side of the upper support plate facing the lower support plate, one end of the reinforcing rod is fixedly connected to both ends of the upper support plate, and the other end of the reinforcing rod is fixedly connected to the base.

[0011] Compared with the prior art, this application has the following beneficial effects:

[0012] 1. This application adopts a crane in conjunction with a base equipped with a fixer to design a single-hook pile turning device, which can flip the pile in the air in the form of a single hook, solving the problem that it is currently impossible to complete the pile turning in the air in the form of a single hook.

[0013] 2. The application avoids contact and friction between the edge of the side wall of the fixing device installed on the base and the second rope by setting the roller, thereby increasing the service life of the second rope.

[0014] 3. The fixer in the present application includes an upper support plate and a lower support plate that cooperate with each other, so that when the lower end of the pile needs to be fixed, it is only necessary to extend the upper support plate and the lower support plate into the lower end of the pile at the same time, and then start the hydraulic cylinder. The piston rod of the hydraulic cylinder is pressed between the two ends of the support plate, so that the free end of the lower support plate rotates back to the upper support plate, thereby clamping the pile by means of internal support. When it is necessary to release the fixed relationship between the pile and the base, it is only necessary to retract the hydraulic cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 Initial schematic diagram of the pile flipping for this application;

[0016] Figure 2 This is a schematic diagram of the pile after it is turned 90 degrees for this application;

[0017] Figure 3 A schematic diagram showing the relationship between the parts on the fixture and the pile during the process of flipping the pile;

[0018] Figure 4 for Figure 3 Schematic diagram after the pile is rotated α degrees.

[0019] Among them, 1. crane; 2. base; 3. winch; 4. roller; 5. mounting seat; 6. first rope; 7. upper support plate; 8. lower support plate; 9. hydraulic cylinder; 10. flexible pad; 11. stopper; 12. reinforcing rod; 13. pile. DETAILED DESCRIPTION

[0020] like Figure 1-4 As shown, a single-hook pile turning device includes a crane 1 and a base 2. A fixer is provided on one side wall of the base 2, and a winch 3 is provided on the other side wall. The end of the first rope 6 on the winch 3 away from the winch 3 is fixedly connected to the top of the crane 1. The side wall of the base 2 on which the winch 3 is installed is perpendicular to the side wall of the base 2 on which the fixer is installed, and a preset gap is provided between the fixer and the plane on which the side wall of the base 2 on which the winch 3 is installed.

[0021] In this embodiment, at the beginning, the base 2 is installed at the bottom end of the pile 13, and the bottom end of the pile 13 is fixed by the fixing device on the base 2, and then one end of the first rope 6 is fixedly connected to the crane 1, and the other end is in the winch 3. At the same time, the second rope 14 on the crane 1 is used to hook the lifting lugs provided between the two ends of the pile 13, and then the pile 13 is lifted by the crane 1 to form Figure 1 Schematic diagram, then, the second rope 14 is slowly retracted by the crane 1, so that the part of the second rope 14 outside the crane 1 becomes shorter and shorter, and the first rope 6 is slowly released by the winch 3, so that the part of the first rope 6 outside the winch 3 becomes longer and longer. As the length X of the part of the first rope 6 outside the winch 3 becomes longer and longer, and the length Y of the part of the second rope 14 outside the crane 1 becomes shorter and shorter, the angle α of the pile 13 rotation increases until it reaches 90 degrees, that is, Figure 2 state, then the base 2 is removed from the pile 13, and then the crane 1 slowly lowers the pile 13, so that the pile is turned over, which solves the problem that the pile cannot be turned over in the air by a single hook.

[0022] As a preferred mode, the base 2 is provided with two rollers 4 whose axes are parallel to each other through a mounting seat 5, the mounting seat 5 is provided on the side wall of the base 2 on which the winch 3 is provided, the mounting seat 5 is located on the side wall of the base 2 on which the winch 3 is provided, the mounting seat 5 is located on one end of the side wall of the base 2 on which the winch 3 is provided, which is facing the execution direction of the fixture, the connecting line segment between the two rollers 4 is perpendicular to the side wall of the base 2 on which the winch 3 is provided, and the circumferential surfaces of the two rollers 4 are both rollingly connected with the two ends of the first rope 6. In this way, after the rollers 4 are provided, the edge of the side wall on which the fixture is installed on the base 2 is prevented from contacting and rubbing with the second rope 6, thereby increasing the service life of the second rope 6.

[0023] As a preferred mode, the fixture comprises an upper support plate 7 and a lower support plate 8 which cooperate with each other, the upper support plate 7 and the lower support plate 8 are both perpendicular to the side wall of the base 2 on which the fixture is installed, the upper support plate 7 is fixedly connected to the base 2, one end of the lower support plate 8 is rotatably connected to the base 2, and the other end is a free end, a hydraulic cylinder 9 is provided on the base 2, one end of the hydraulic cylinder 9 is rotatably provided on the side wall of the base 2 on which the fixture is provided, and the other end of the hydraulic cylinder 9 is rotatably connected between the two ends of the lower support plate 8. After such arrangement, when it is necessary to fix the lower end of the pile 13, it is only necessary to extend the upper support plate 7 and the lower support plate 8 into the lower end of the pile 13 at the same time, and then start the hydraulic cylinder 9, the piston rod of the hydraulic cylinder 9 is pressed between the two ends of the support plate 8, so that the free end of the lower support plate 8 is rotated back to the upper support plate 7, thereby clamping the pile 13 in an inner support manner, and when it is necessary to release the fixed relationship between the pile 13 and the base 2, it is only necessary to retract the hydraulic cylinder 9.

[0024] As a preferred embodiment, flexible pads 10 are provided on the upper surface of the upper support plate 7 and the lower surface of the lower support plate 8. In this way, the flexible pads 10 are used to prevent the base 2 from damaging the lower end of the pile 13.

[0025] As a preferred mode, a stopper 11 is provided on the side wall of the base 2 where the fixture is provided, the stopper 11 is fixedly connected to the side of the upper support plate 7 facing away from the lower support plate 8, a distance is preset between the free end of the upper support plate 7 and the stopper 11, and the flexible pad 10 is also provided on the side of the stopper 11 facing away from the base 2. The stopper 11 is provided to strengthen the upper support plate 7.

[0026] As a preferred embodiment, a reinforcing rod 12 is provided on the base 2 on the side of the upper support plate 7 facing the lower support plate 8, one end of the reinforcing rod 12 is fixedly connected between the two ends of the upper support plate 7, and the other end of the reinforcing rod 12 is fixedly connected to the base 2. The reinforcing rod 12 is provided to strengthen the upper support plate 7.

Claims

1. A single hook pile turning device, characterized in that: The invention comprises a crane (1) and a base (2); a fixer is provided on one side wall of the base (2); a winch (3) is provided on the other side wall; an end of a first rope (6) on the winch (3) away from the winch (3) is fixedly connected to the top of the crane (1); a side wall on the base (2) on which the winch (3) is mounted is perpendicular to a side wall on the base (2) on which the fixer is mounted; and a gap is preset between the plane on which the fixer and the side wall on the base (2) on which the winch (3) is mounted.

2. A single hook pile turning device according to claim 1, characterized in that: The base (2) is provided with two rollers (4) whose axes are parallel to each other through a mounting seat (5); the mounting seat (5) is arranged on the side wall of the base (2) on which the winch (3) is arranged; the mounting seat (5) is located on the side wall of the base (2) on which the winch (3) is arranged, and the mounting seat (5) is located on one end of the side wall of the base (2) on which the winch (3) is arranged, which is facing the execution direction of the fixer; the connecting line segment between the two rollers (4) is perpendicular to the side wall of the base (2) on which the winch (3) is arranged; and the circumferential surfaces of the two rollers (4) are both rollingly connected to the two ends of the first rope (6).

3. A single hook pile turning device according to claim 1, characterized in that: The fixer comprises an upper support plate (7) and a lower support plate (8) which cooperate with each other. The upper support plate (7) and the lower support plate (8) are both perpendicular to the side wall of the base (2) on which the fixer is installed. The upper support plate (7) is fixedly connected to the base (2). One end of the lower support plate (8) is rotatably connected to the base (2), and the other end is a free end. A hydraulic cylinder (9) is provided on the base (2). One end of the hydraulic cylinder (9) is rotatably provided on the side wall of the base (2) on which the fixer is provided, and the other end of the hydraulic cylinder (9) is rotatably connected to both ends of the lower support plate (8).

4. A single hook pile turning device according to claim 3, characterized in that: Flexible pads (10) are provided on the upper surface of the upper support plate (7) and on the lower surface of the lower support plate (8).

5. A single hook pile turning device according to claim 4, characterized in that: A stopper (11) is provided on the side wall of the base (2) on which the fixer is arranged. The stopper (11) is fixedly connected to a side of the upper support plate (7) which faces away from the lower support plate (8). A preset distance is provided between the free end of the upper support plate (7) and the stopper (11). The flexible pad (10) is also provided on a side of the stopper (11) which faces away from the base (2).

6. The single hook pile turning device according to claim 3, characterized in that: A reinforcing rod (12) is provided on the base (2) on the side of the upper support plate (7) facing the lower support plate (8); one end of the reinforcing rod (12) is fixedly connected to both ends of the upper support plate (7), and the other end of the reinforcing rod (12) is fixedly connected to the base (2).

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