Tower drum hoisting and turning-over device

Abstract

The utility model relates to the technical field of offshore wind power installation, in particular to a tower drum hoisting and turning-over device. First flange plates are arranged at the two ends of a tower drum; the tower drum hoisting and turning-over device comprises a hoisting fixing piece, a first hoisting rope and a positioning piece. The lifting fixing piece is fixedly connected with the first flange plate through a bolt, and the lifting fixing piece is connected with a lifting hook of lifting equipment through a first lifting rope; the hoisting fixing pieces are arranged in pairs, and the positioning pieces are used for assisting in positioning of the hoisting fixing pieces, so that the hoisting fixing pieces arranged in pairs are symmetrically arranged about the central axis of the tower drum. In the embodiment, the position of the hoisting fixing piece on the first flange plate is limited through the positioning piece so as to ensure that the hoisting fixing piece is symmetrically arranged relative to the central axis of the tower drum; therefore, after the tower drum is lifted and separated from the ship plate, the perpendicularity of the tower drum can be ensured, so that the tower drum is vertically arranged, and subsequent installation of the tower drum is facilitated.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of offshore wind power installation, in particular to a tower cylinder lifting and turning device. BACKGROUND

[0002] Offshore wind power generation is a technology for generating power by using offshore wind power resources, and the core of offshore wind power generation equipment is an offshore wind turbine unit.

[0003] The offshore wind turbine unit comprises a tower cylinder and blades, the tower cylinder is vertically fixed on a foundation on the sea surface, and the blades are fixed on the tower cylinder. During the installation of the offshore wind turbine unit, the horizontally arranged tower cylinder on the transport ship needs to be lifted and turned to a vertical state.

[0004] In the prior art, a lifting fixing piece is arranged on the first flange plate at the end of the tower cylinder, the lifting fixing piece is fixedly connected with the first flange plate through bolts, and the lifting fixing piece is fixedly connected with the hook of the lifting device through a flexible rope, so that the lifting device lifts and turns the horizontally arranged tower cylinder to a vertical state.

[0005] In the prior art, two lifting fixing pieces are generally arranged, and the two lifting fixing pieces need to be symmetrically arranged about the central axis of the tower cylinder to ensure that the tower cylinder can be kept in a vertical state after being lifted. However, it is difficult for workers to ensure that the two lifting fixing pieces are symmetrically arranged about the central axis of the tower cylinder during the installation of the lifting fixing pieces, so that the tower cylinder is arranged in an inclined state after being lifted, thereby affecting the subsequent installation of the tower cylinder. CONTENT OF THE UTILITY MODEL

[0006] In order to improve the verticality of the tower cylinder after being lifted and turned, thereby facilitating the subsequent installation of the tower cylinder, the application provides a tower cylinder lifting and turning device.

[0007] The application provides a tower cylinder lifting and turning device, which adopts the following technical scheme:

[0008] The tower cylinder lifting and turning device comprises a lifting fixing piece, a first hoisting rope and a positioning piece, the two ends of the tower cylinder are each provided with a first flange plate, the lifting fixing piece is fixedly connected with the first flange plate through bolts, the lifting fixing piece is connected with the hook of the lifting device through the first hoisting rope, the lifting fixing pieces are arranged in pairs, and the positioning piece is used for assisting the positioning of the lifting fixing pieces, so that the lifting fixing pieces arranged in pairs are symmetrically arranged about the central axis of the tower cylinder.

[0009] By adopting the above technical scheme, the position of the lifting fixing piece on the first flange plate is limited by the positioning piece, so as to ensure that the lifting fixing pieces are symmetrically arranged about the central axis of the tower cylinder, and thus the verticality of the tower cylinder can be ensured after the tower cylinder is lifted and separated from the ship plate, so that the tower cylinder is arranged in a vertical state, thereby facilitating the subsequent installation of the tower cylinder.

[0010] Optionally, the positioning member is a positioning rod, the positioning rod is fixed between the pair of hoisting fixing members, and the positioning rod is arranged on the central axis of the tower tube, so that the pair of hoisting fixing members are symmetrically arranged about the central axis of the tower tube.

[0011] By adopting the above technical scheme, the positioning rod is fixed between the hoisting fixing members, so that the tower tube hoisting and turning device is convenient for workers to install.

[0012] Optionally, the tower tube hoisting and turning device further comprises a balance rod and a second hoisting rope, the balance rod is provided with two first lifting lugs on one side close to the hoisting fixing member, the distance between the two first lifting lugs is consistent with the diameter of the tower tube, and the second hoisting rope is used to connect the hoisting fixing member and the first lifting lug; the balance rod is provided with a plurality of second lifting lugs on the side away from the hoisting fixing member, one end of the first hoisting rope is fixedly connected with the second lifting lug, and the other end of the first hoisting rope is connected with a lifting hook of the hoisting equipment.

[0013] By adopting the above technical scheme, the balance rod is additionally arranged between the hoisting equipment and the tower tube, so that the action force direction of the hoisting equipment on the tower tube is vertically arranged, so as to reduce the damage of the first flange plate.

[0014] Optionally, the balance rod comprises a plurality of balance rod segments, the end of the balance rod segment is provided with a second flange plate, and the second flange plates of adjacent balance rod segments are fixedly connected through bolts.

[0015] By adopting the above technical scheme, since the balance rod bears a large force, the size and mass of the balance rod are large; the balance rod is divided into a plurality of balance rod segments, so as to facilitate workers to transport and store the balance rod segments.

[0016] Optionally, the positioning rod comprises a limiting rod segment and a connecting rod segment, the connecting rod segment is provided with two, the two connecting rod segments are fixed on both sides of the limiting rod segment, the diameter of the limiting rod segment is greater than that of the connecting rod segment; the hoisting fixing member is provided with a mounting hole, the limiting rod segment is arranged in the mounting hole, and the side of the limiting rod segment away from the limiting rod segment is provided with a threaded segment, the threaded segment is used to cooperate with a nut to fix the positioning rod and the hoisting fixing member.

[0017] By adopting the above technical scheme, the positioning rod and the hoisting fixing member are detachably connected, so as to facilitate workers to transport the tower tube hoisting and turning device.

[0018] Optionally, the tower tube hoisting and turning device further comprises an air bag, the air bag and the hoisting fixing member are arranged at both ends of the tower tube, the main body of the air bag is arranged in the tower tube, the air bag is fixedly connected with the inner side wall of the tower tube, the air bag protrudes from the tower tube, and the air bag is used to abut against a ship plate.

[0019] By adopting the technical scheme, when the hoisting device hoists one end of the tower drum, the air bag at the other end of the tower drum contacts the ship plate, thereby reducing the sliding friction between the other end of the tower drum and the ship plate and reducing the damage to the outer peripheral protection layer of the tower drum.

[0020] Optionally, the air bag comprises a first part and a second part in communication, the first part is fixedly arranged in the tower drum, and the first part is fixedly abutted with the inner side wall of the tower drum; the outer diameter of the second part is smaller than the inner diameter of the tower drum, the second part protrudes from the tower drum, and a clearance is arranged between the second part and the inner side wall of the tower drum.

[0021] By adopting the technical scheme, the clearance is arranged between the second part of the air bag and the inner side wall of the tower drum, so that the extrusion of the air bag to the end of the tower drum can be reduced during the hoisting and turning of the tower drum, and the risk of damage to the tower drum is reduced.

[0022] Optionally, the positioning member is a positioning ring, a plurality of positioning holes are arranged on the positioning ring, and the positioning ring is used to be attached to the first flange plate; the positioning holes are arranged in pairs and are symmetrically arranged about the center axis of the tower drum; and the bolts are sequentially arranged in the positioning holes and the through holes on the first flange plate.

[0023] By adopting the technical scheme, the position of the hoisting fixing member is fixed by the positioning ring, so as to facilitate the installation of the hoisting and turning device of the tower drum by the staff.

[0024] In summary, the present application has at least one of the following beneficial technical effects:

[0025] 1. The position of the hoisting fixing member on the first flange plate is limited by the positioning member, so as to ensure that the hoisting fixing member is symmetrically arranged about the center axis of the tower drum; and after the tower drum is hoisted and separated from the ship plate, the perpendicularity of the tower drum can be ensured, so that the tower drum is vertically arranged, thereby facilitating the subsequent installation of the tower drum.

[0026] 2. The balancing rod is additionally arranged between the hoisting device and the tower drum, so that the direction of the acting force of the hoisting device on the tower drum is vertically arranged, thereby reducing the damage to the first flange plate.

[0027] 3. When the hoisting device hoists one end of the tower drum, the air bag at the other end of the tower drum contacts the ship plate, thereby reducing the sliding friction between the other end of the tower drum and the ship plate and reducing the damage to the outer peripheral protection layer of the tower drum. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 is a structural schematic view of the hoisting and turning device of the tower drum in embodiment 1.

[0029] Figure 2is a structural schematic diagram of the tower cylinder lifting and turning-over device in embodiment 1.

[0030] Figure 3 is Figure 1 is an enlarged view of A in FIG. 1.

[0031] Figure 4 is Figure 2 is an enlarged view of B in FIG. 1.

[0032] Figure 5 is a structural schematic diagram of the tower cylinder after turning-over in embodiment 1.

[0033] Figure 6 is a structural exploded view of the tower cylinder lifting and turning-over device in embodiment 2.

[0034] Figure 7 is a structural sectional view of the tower cylinder lifting and turning-over device in embodiment 3.

[0035] BRIEF DESCRIPTION OF THE DRAWINGS 1, tower cylinder; 11, first flange plate; 111, communication hole; 12, first end portion; 13, second end portion; 14, central axis; 2, lifting fixing member; 21, mounting hole; 3, first hoisting rope; 41, positioning rod; 411, limiting rod segment; 412, connecting rod segment; 42, positioning ring; 421, positioning hole; 5, balance rod; 51, first lifting lug; 52, second lifting lug; 53, balance rod segment; 531, second flange plate; 6, second hoisting rope; 7, air bag; 71, first part; 72, second part. DETAILED DESCRIPTION

[0036] The application is further described in detail below with reference to the accompanying drawings. Figure 1 -7.

[0037] The application discloses a tower cylinder lifting and turning-over device. Referring to Figure 1 and Figure 2 The tower cylinder 1 is provided with a first flange plate 11 at each end, and the first flange plate 11 is provided with a plurality of communication holes 111 arranged annularly and at intervals. The tower cylinder 1 comprises a first end portion 12 and a second end portion 13 arranged oppositely, and the tower cylinder lifting and turning-over device is fixedly connected to the first end portion 12 of the tower cylinder 1, so as to hoist and lift the tower cylinder 1 from a horizontal direction to a vertical direction.

[0038] Referring to Figure 2 and Figure 3The tower drum hoisting and turning device comprises hoisting fixing pieces 2, first hoisting ropes 3, positioning pieces, balance bars 5 and second hoisting ropes 6. The hoisting fixing pieces 2 are fixedly connected with the first flange plate 11 through a plurality of bolts. The hoisting fixing pieces 2 are arranged in pairs, and the positioning pieces are used for assisting in positioning the hoisting fixing pieces 2, so that the hoisting fixing pieces 2 arranged in pairs are symmetrically arranged about the center axis 14 of the tower drum 1, thereby improving the verticality of the tower drum 1 after hoisting and facilitating subsequent installation of the tower drum 1. In other embodiments, a single hoisting fixing piece 2 can also be arranged at the second end 13 of the tower drum 1, and the worker hoists the tower drum 1 away from the shipboard and then hoists the tower drum 1 from the horizontal position to the vertical state.

[0039] With reference to Figure 2 and Figure 3 In the present embodiment, the positioning piece is a positioning bar 41, the positioning bar 41 is fixedly arranged between the hoisting fixing pieces 2 arranged in pairs, and the positioning bar 41 penetrates the center axis 14 of the tower drum 1, so that the hoisting fixing pieces 2 arranged in pairs are symmetrically arranged about the center axis 14 of the tower drum 1.

[0040] With reference to Figure 2 and Figure 3 The positioning bar 41 comprises a limiting bar section 411 and two connecting bar sections 412, the two connecting bar sections 412 are fixedly arranged on the two sides of the limiting bar section 411, and the diameter of the limiting bar section 411 is greater than that of the connecting bar section 412; the hoisting fixing piece 2 is provided with a mounting hole 21, the limiting bar section 411 penetrates the mounting hole 21, and a threaded section is arranged on the side of the limiting bar section 411 away from the limiting bar section 411, so as to cooperate with a nut to fix the positioning bar 41 and the hoisting fixing piece 2. The positioning bar 41 is a hollow steel pipe, and the positioning bar 41 is detachably connected with the hoisting fixing piece 2, thereby facilitating the worker to transport the tower drum hoisting and turning device.

[0041] The length of the limiting bar section 411 in the positioning bar 41 is determined according to the diameter of the hoisting end of the tower drum 1, and after the hoisting fixing pieces 2 at the two ends of the positioning bar 41 are bolted to the first flange plate 11, the two hoisting fixing pieces 2 are symmetrically arranged about the center axis 14 of the tower drum 1.

[0042] With reference to Figure 2 and Figure 3 The worker first fixedly connects the positioning bar 41 and the hoisting fixing piece 2, and then horizontally arranges the positioning bar 41; subsequently, the worker first fixedly connects one of the hoisting fixing pieces 2 and the first flange plate 11, at this time, the other hoisting fixing piece 2 is located on the other side of the first flange plate 11, and the worker bolts the other hoisting fixing piece 2 to the first flange plate 11.

[0043] With reference to Figure 2The balance bar 5 is provided with two first lifting lugs 51 on the side close to the lifting fixing part 2, the distance between the two first lifting lugs 51 is consistent with the diameter of the tower drum 1, and the second lifting rope 6 is used for connecting the lifting fixing part 2 and the first lifting lug 51; the balance bar 5 is provided with a plurality of second lifting lugs 52 on the side away from the lifting fixing part 2, one end of the first lifting rope 3 is fixedly connected with the second lifting lug 52, and the other end of the first lifting rope 3 is connected with the lifting hook of the lifting equipment. By additionally arranging the balance bar 5 between the lifting equipment and the tower drum 1, the force direction of the tower drum 1 is vertically arranged, so that the damage of the first flange plate 11 is reduced.

[0044] With reference to Figure 2 and Figure 4 Because the balance bar 5 bears a large force, the size and mass of the balance bar 5 are large. In the embodiment, the balance bar 5 includes a plurality of balance bar segments 53, the end of each balance bar segment 53 is provided with a second flange plate 531, and the second flange plates 531 of adjacent balance bar segments 53 are fixedly connected through bolts; the balance bar 5 is divided into a plurality of balance bar segments 53, so that the balance bar segments 53 are convenient for workers to transport and store.

[0045] The implementation principle of the tower drum lifting and turning device in the embodiment is as follows:

[0046] With reference to Figure 2 and Figure 5 The position of the lifting fixing part 2 on the first flange plate 11 is limited through the positioning rod 41, so that the lifting fixing part 2 is symmetrically arranged about the center axis 14 of the tower drum 1; when the tower drum 1 is lifted and separated from the ship plate, the perpendicularity of the tower drum 1 can be ensured, so that the tower drum 1 is vertically arranged, and the subsequent installation of the tower drum 1 is facilitated.

[0047] Embodiment 2

[0048] The difference between the embodiment 2 and the embodiment 1 is as follows:

[0049] With reference to Figure 6 The positioning part is a positioning ring 42, a plurality of positioning holes 421 are arranged on the positioning ring 42, and the positioning ring 42 is used for abutting the first flange plate 11; the positioning holes 421 are arranged in pairs and are symmetrically arranged about the center axis 14 of the tower drum 1; and the bolts are sequentially arranged in the positioning holes 421 and the through holes in the first flange plate 11. That is, the position of the lifting fixing part 2 is fixed through the positioning ring 42, so that workers can install the tower drum lifting and turning device.

[0050] The positioning ring 42 can be a steel ring or a paper ring, and the embodiment is not limited to the specific material of the positioning ring 42. When the positioning ring 42 is a steel ring, the positioning ring 42 also functions as a gasket; when the positioning ring 42 is a paper ring, the cost can be saved; at the same time, after the workers preliminarily install the lifting fixing piece 2, the workers can tear off the positioning ring 42. In the embodiment, the positioning ring 42 is a steel ring.

[0051] Embodiment 3

[0052] The difference between the embodiment 3 and the embodiment 1 is that:

[0053] With reference to Figure 7 The tower drum lifting and turning device further comprises an air bag 7, the air bag 7 is arranged at the second end 13 of the tower drum 1, the main body of the air bag 7 is arranged inside the tower drum 1, the air bag 7 is fixedly abutted with the inner side wall of the tower drum 1, the air bag 7 protrudes from the tower drum 1, and the air bag 7 is used to abut with the ship plate.

[0054] In the embodiment, the air bag 7 comprises a first part 71 and a second part 72 which are connected in communication, the first part 71 is fixedly arranged inside the tower drum 1, and the first part 71 is fixedly abutted with the inner side wall of the tower drum 1; the outer diameter of the second part 72 is smaller than the inner diameter of the tower drum 1, the second part 72 protrudes from the tower drum 1, and an avoiding gap is arranged between the second part 72 and the inner side wall of the tower drum 1.

[0055] The implementation principle of the tower drum lifting and turning device in the embodiment is as follows:

[0056] When the lifting equipment lifts one end of the tower drum 1, the air bag 7 at the other end of the tower drum 1 is in contact with the ship plate, thereby reducing the sliding friction between the other end of the tower drum 1 and the ship plate and reducing the damage of the outer peripheral protection layer of the tower drum 1. The avoiding gap is arranged between the second part 72 of the air bag 7 and the inner side wall of the tower drum 1, thereby reducing the extrusion of the air bag 7 to the end of the tower drum 1 during the lifting and turning of the tower drum 1, and reducing the risk of damage of the tower drum 1.

[0057] The above are the preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, so that: any equivalent changes made according to the structure, shape and principle of the present application shall be covered within the protection scope of the present application.

Claims

1. A tower hoisting and turning device, both ends of a tower (1) are provided with a first flange plate (11); characterized in that: The tower lifting and turning device comprises a lifting fixing part (2), a first lifting rope (3) and a positioning part; the lifting fixing part (2) is fixedly connected with the first flange (11) through bolts, and the lifting fixing part (2) is connected with the lifting hook of the lifting equipment through the first lifting rope (3); the lifting fixing part (2) is arranged in pairs, and the positioning part is used for assisting the positioning of the lifting fixing part (2), so that the pair of lifting fixing parts (2) are symmetrically arranged about the center axis (14) of the tower (1).

2. The tower hoisting and tilting device according to claim 1, characterized in that The positioning part is a positioning rod (41), the positioning rod (41) is fixedly arranged between the pair of lifting fixing parts (2), and the positioning rod (41) is arranged on the center axis (14) of the tower (1), so that the pair of lifting fixing parts (2) are symmetrically arranged about the center axis (14) of the tower (1).

3. The tower hoisting and tilting apparatus according to claim 2, wherein: The tower lifting and turning device further comprises a balance bar (5) and a second lifting rope (6), the balance bar (5) is provided with two first lifting lugs (51) on one side close to the lifting fixing part (2), the distance between the two first lifting lugs (51) is consistent with the diameter of the tower (1), and the second lifting rope (6) is used for connecting the lifting fixing part (2) and the first lifting lug (51); the balance bar (5) is provided with a plurality of second lifting lugs (52) on the side away from the lifting fixing part (2), one end of the first lifting rope (3) is fixedly connected with the second lifting lug (52), and the other end of the first lifting rope (3) is connected with the lifting hook of the lifting equipment.

4. The tower hoisting and tilting apparatus according to claim 3, wherein: The balance bar (5) comprises a plurality of balance bar segments (53), and the end of each balance bar segment (53) is provided with a second flange (531); the second flanges (531) of adjacent balance bar segments (53) are fixedly connected through bolts.

5. The tower hoist roll-over device of claim 2, wherein: The positioning rod (41) comprises a limiting rod segment (411) and a connecting rod segment (412), the connecting rod segment (412) is arranged on both sides of the limiting rod segment (411), the diameter of the limiting rod segment (411) is greater than that of the connecting rod segment (412), the lifting fixing part (2) is provided with a mounting hole (21), the limiting rod segment (411) is arranged in the mounting hole (21), and a threaded segment is arranged on the side of the limiting rod segment (411) away from the limiting rod segment (411), so as to cooperate with a nut to fix the positioning rod (41) and the lifting fixing part (2).

6. The tower hoist roll-over device of claim 1, wherein: The tower lifting and turning device further comprises an air bag (7), the air bag (7) and the lifting fixing part (2) are arranged at both ends of the tower (1), the main body of the air bag (7) is arranged inside the tower (1), the air bag (7) is fixedly connected with the inner wall of the tower (1), the air bag (7) protrudes from the tower (1), and the air bag (7) is used for abutting against a ship plate.

7. The tower hoist roll-over device of claim 6, wherein: The air bag (7) comprises a first part (71) and a second part (72) in communication, the first part (71) is fixed inside the tower drum (1), and the first part (71) is abutted and fixed with the inner side wall of the tower drum (1); the outer diameter of the second part (72) is smaller than the inner diameter of the tower drum (1), the second part (72) protrudes the tower drum (1), and a clearance is arranged between the second part (72) and the inner side wall of the tower drum (1).

8. The tower hoist roll-over device of claim 1, wherein: The positioning member is a positioning ring (42), a plurality of positioning holes (421) are arranged on the positioning ring (42), and the positioning ring (42) is used for abutting with the first flange plate (11); the positioning holes (421) are arranged in pairs and are symmetrically arranged about the center axis (14) of the tower drum (1); and the bolts are sequentially arranged in the positioning holes (421) and the through holes in the first flange plate (11).

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