CN216336129U

CN216336129U - Auxiliary pile turning equipment for single pile of fan for offshore wind power

Info

Publication number: CN216336129U
Application number: CN202220421022.5U
Authority: CN
Inventors: 朱明达
Original assignee: Cssc Wind Power Engineering Technology Tianjin Co ltd
Current assignee: Cssc Wind Power Engineering Technology Tianjin Co ltd
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2022-04-19
Anticipated expiration: 2032-03-01

Abstract

The utility model discloses a fan single-pile auxiliary pile turning device for offshore wind power, which comprises a pile turning fixture and a hanging unit, wherein the pile turning fixture comprises a clamping part, a positioning part and a connecting part, the clamping part comprises a first connecting piece, a supporting piece and a second connecting piece which are fixedly connected in sequence, the axes of the first connecting piece and the second connecting piece are parallel to each other, the first connecting piece and the supporting piece are perpendicular to each other, and the first connecting piece and the second connecting piece form a clamping interface. The utility model has the advantages that the C-shaped pile turning clamp is clamped on the side wall of the single pile in the pile turning ring section, so that the process of welding pile turning lifting lugs can be omitted, the single pile is positioned in an auxiliary mode in the pile turning process by adopting a mode of combining the telescopic piece and the positioning plate, and the construction efficiency is improved.

Description

Auxiliary pile turning equipment for single pile of fan for offshore wind power

Technical Field

The utility model relates to the technical field of auxiliary equipment for offshore wind power installation, in particular to single-pile auxiliary pile turning equipment for a fan for offshore wind power.

Background

The installation process of the offshore wind turbine comprises two important steps of single-pile installation and tower installation, the single pile and the tower are both cylindrical steel structures, the height of the single pile and the height of the tower are more than tens of meters, and the diameter of the single pile and the tower is only 4-8 meters, so that the single pile and the tower are horizontally placed in the transportation process from a wharf to a wind power plant, but the single pile and the tower must be firstly turned into a vertical state when the single pile and the tower are installed on site, and the pile turning is called pile turning.

Among the prior art, the floating crane has main lifting hook and vice lifting hook, and main lifting hook and vice lifting hook are connected with main lifting rope and vice lifting rope respectively, when turning over the operation, need weld in advance in the bottom on single pile basis and turn over a lug, then constantly change the height at single pile both ends through main lifting rope and vice lifting rope, and then realize turning over a stake, and the operation is not only welding work volume big like this, need increase the link that the lug couples and unhook when the construction, waste time and energy and inefficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems, and designs a single-pile auxiliary pile turning device of a fan for offshore wind power, which comprises a pile turning fixture and a hanging unit, wherein the pile turning fixture comprises a clamping part, a positioning part and a connecting part, the clamping part comprises a first connecting piece, a supporting piece and a second connecting piece which are fixedly connected in sequence, the axes of the first connecting piece and the second connecting piece are parallel to each other, the first connecting piece and the supporting piece are perpendicular to each other, and the first connecting piece and the second connecting piece form a clamping interface. Pile turning fixtures are provided with two, and before the operation of turning over the pile, two joint portions joint respectively in single pile wall department, adopt the height of floating crane promotion single pile both sides, and the joint of pile turning fixtures to the single pile is firm and need not to weld in advance and turns over a lug.

Furthermore, location portion includes extensible member and locating plate, extensible member with first connecting piece fixed connection, the flexible end of extensible member passes first connecting piece and is fixed with the locating plate. In the pile turning process, the telescopic piece and the positioning plate tightly fix the single pile wall and are not easy to fall off.

Further, the connecting portion comprises a connecting seat, a rotating shaft and a connecting frame, the connecting seat is fixedly connected with the first connecting piece, the rotating shaft penetrates through the connecting seat and the connecting frame, and the connecting seat is rotatably connected with the connecting frame.

Further, hang the unit and include balanced change gear, mount, main lifting rope, vice lifting rope, main lifting rope assembly pulley and leading wheel, balanced change gear external fixation is provided with the mount, the mount internal fixation has the leading wheel, and vice lifting rope is around locating leading wheel and vice lifting rope tip are equipped with first lifting hook, first lifting hook with connecting portion fixed connection. The balance change gear is hung on the suspension arm between the main lifting hook and the auxiliary lifting hook to play a role in fixing, the fixing frame is used for fixing the guide wheel and the main lifting rope pulley block, and the guide wheel is used for changing the guide direction of the auxiliary lifting rope.

Further, main lifting rope assembly pulley includes fixed pulley and movable pulley, and the fixed pulley is fixed in the mount, and the movable pulley both ends are fixed with second lifting hook and third lifting hook respectively, first lifting hook is fixed in one of them link, the third lifting hook is fixed in another link, main lifting rope passes through the second lifting hook with movable pulley fixed connection, main lifting rope is fixed in the one end of movable pulley is first around locating after the fixed pulley is the recoiling the movable pulley. The main lifting rope pulley block is used for lifting the height of the single pile on the side.

Further, the first hook, the second hook, and the third hook include a hook body and a release preventing piece. The anti-falling piece is arranged to enable the third lifting hook to be closely and difficultly fallen off from the connection frame, enable the first lifting hook to be closely and difficultly fallen off from the connection frame, and enable the second lifting hook to be closely and difficultly fallen off from the movable pulley.

The single-pile auxiliary pile turning device for the fan for offshore wind power, which is manufactured by the technical scheme of the utility model, has the following beneficial effects: at the pile turning ring section, the C-shaped pile turning clamp is clamped on the side wall of the single pile, so that the process of welding pile turning lugs can be omitted, the single pile is positioned in an auxiliary mode in the pile turning process by adopting a mode of combining the telescopic piece and the positioning plate, and the construction efficiency is improved.

Drawings

FIG. 1 is a schematic view of a using state of a single-pile auxiliary pile turning device of a wind turbine for offshore wind power, provided by the utility model;

FIG. 2 is a schematic overall structure diagram of the single-pile auxiliary pile overturning device for the wind turbine for offshore wind power, provided by the utility model;

FIG. 3 is a schematic structural view of the pile-turning fixture of the present invention;

FIG. 4 is an enlarged fragmentary view of FIG. 2 of the present invention at reference A;

in the figure, 1, pile turning fixtures; 11. a clamping part; 111. a first connecting member; 112. a support member; 113. a second connecting member; 114. a card interface; 12. a positioning part; 121. a telescoping member; 122. positioning a plate; 13. a connecting portion; 131. a connecting seat; 132. a rotating shaft; 133. a connecting frame; 2. a hanging unit; 21; a balance change gear; 22. a fixed mount; 23. a main lifting rope pulley block; 231. a fixed pulley; 232. a movable pulley; 24. a guide wheel; 25. a first hook; 26. a second hook; 27. a hook body; 28. an anti-drop sheet; 29. a third hook; 3. A main lifting rope; 4. and an auxiliary lifting rope.

Detailed Description

For better understanding of the present invention, the present invention is further described below with reference to specific embodiments and accompanying drawings, and as shown in fig. 1 to 4, a wind turbine single pile auxiliary pile overturning device for offshore wind power is provided. Including turning over a stake fixture 1 and hanging unit 2, turn over a stake fixture 1 and include joint portion 11, location portion 12 and connecting portion 13, joint portion 11 is including fixed connection's first connecting piece 111, support piece 112 and second connecting piece 113 in proper order, first connecting piece 111 with the axis of second connecting piece 113 is parallel to each other, first connecting piece 111 with support piece 112 mutually perpendicular, first connecting piece 111 with second connecting piece 113 forms joint mouth 114. When pile turning is carried out, the single pile is transported to the position near the floating crane, the position of the pile turning clamp 1 is changed by changing the extension lengths of the main lifting rope 3 and the auxiliary lifting rope 4 until the position is adjusted to the position that a clamping opening 114 formed by the first connecting piece 111 and the second connecting piece 113 extends into the single pile, so that the single pile wall is clamped in the clamping opening 114, the first connecting piece 111, the supporting piece 112 and the second connecting piece 113 jointly form a C-shaped shape, the C-shaped clamp is directly clamped on the single pile wall, positioning and clamping are realized by the positioning part 12, under the action of the floating crane, the two clamps are lifted to different heights, and after the certain height is reached, the single pile is changed into a vertical state from a horizontal state.

Further, the positioning portion 12 includes a telescopic member 121 and a positioning plate 122, the telescopic member 121 is fixedly connected to the first connecting member 111, and a telescopic end of the telescopic member 121 passes through the first connecting member 111 and is fixed with the positioning plate 122. In the pile turning process, the telescopic member 121 and the positioning plate 122 tightly fix the single pile wall and are not easy to fall off. The extensible member 121 can be selected as an extensible cylinder or an electric push rod, the extensible end of the extensible member 121 can drive the positioning plate 122 to move, and the thickness of the single pile wall and the size of the clamping interface 114 can have certain deviation, so that the extensible member 121 and the positioning plate 122 are fixed on the first connecting piece 111, the same extensible member 121 and the same positioning plate 122 are fixed on the second connecting piece 113, the single pile can be limited from two directions, and the clamping performance of the pile turning clamp 1 is improved. The positioning plate 122 can be made into a plate-shaped structure with radian according to needs, meanwhile, the positioning plate 122 is attached with a rubber layer, the single pile is prevented from being scratched, a certain buffering effect is achieved, the positioning plate 122 has certain elasticity, in the pile turning process, the contact position of the single pile and the pile turning fixture 1 can be slightly changed, and the positioning plate 122 has elasticity and can adjust the slight change.

Further, the connecting portion 13 includes a connecting seat 131, a rotating shaft 132 and a connecting frame 133, the connecting seat 131 is fixedly connected with the first connecting member 111, the rotating shaft 132 passes through the connecting seat 131 and the connecting frame 133 and the connecting seat 131 is rotatably connected with the connecting frame 133. The connecting part 13 is used for connecting the auxiliary lifting hook of the floating crane with one pile turning fixture 1 and connecting the main lifting hook of the floating crane with the other pile turning fixture 1, the connecting seat 131 and the connecting frame 133 are rotatably connected through the rotating shaft 132, and when the floating crane lifts the height of the pile turning fixture 1 associated with the floating crane through the auxiliary lifting rope 4, the position relation between the pile turning fixture 1 and a single pile can be adjusted according to actual conditions.

Further, the hanging unit 2 comprises a balance change gear 21, a fixing frame 22, a main lifting rope 3, an auxiliary lifting rope 4, a main lifting rope pulley block 23 and a guide wheel 24, the fixing frame 22 is fixedly arranged outside the balance change gear 21, the guide wheel 24 is fixedly arranged in the fixing frame 22, the auxiliary lifting rope 4 is wound on the guide wheel 24, a first lifting hook 25 is arranged at the end part of the auxiliary lifting rope 4, and the first lifting hook 25 is fixedly connected with the connecting part 13. The balance change gear 21 is fixed on the suspension arm of the floating crane, the fixed mount 22 is used for fixing the guide pulley 24 and the main lifting rope pulley block 23, and the guide pulley 24 is used for changing the guide direction of the auxiliary lifting rope 4. Aiming at the pile turning fixture 1 connected with the auxiliary lifting hook of the floating crane, the angle of the auxiliary lifting rope 4 is adjusted through the guide wheel 24, so that the position relation between the auxiliary lifting rope 4 and the connecting frame 133 is adjusted, the first lifting hook 25 fixed at the end part of the auxiliary lifting rope 4 is used for connecting the auxiliary lifting rope 4 and the connecting frame 133, when pile turning operation is carried out, the extending height of the auxiliary lifting rope 4 is changed through the floating crane, and then the height of one pile turning fixture 1 related to the auxiliary lifting rope is adjusted.

Further, main lifting rope assembly pulley 23 includes fixed pulley 231 and movable pulley 232, and fixed pulley 231 is fixed in mount 22, and movable pulley 232 both ends are fixed with second lifting hook 26 and third lifting hook 29 respectively, first lifting hook 25 is fixed in one of them link 133, third lifting hook 29 is fixed in another link 133, main lifting rope 3 passes through second lifting hook 26 with movable pulley 232 fixed connection, main lifting rope 3 is fixed in one end of movable pulley 232 is first around locating behind fixed pulley 231 and then around movable pulley 232. The main lifting rope pulley block 23 is used for lifting the height of the single pile on the side. The pile turning operation is carried out by using the main lifting rope pulley block 23, so that labor is saved. In the operation process, the two pile turning fixtures 1 are lifted at different heights, the single pile is gradually changed from a horizontal state to a vertical state, and pile turning action is realized.

Further, the first hook 25, the second hook 26, and the third hook 29 include a hook main body 27 and a retaining piece 28. The anti-falling piece 28 is arranged to make the connection between the third hook 29 and the connecting frame 133 tight and not easy to fall off, make the connection between the first hook 25 and the connecting frame 133 tight and not easy to fall off, and make the connection between the second hook 26 and the movable pulley 232 tight and not easy to fall off.

The working principle is as follows: the method comprises the steps that a hanging unit 2 and a pile turning clamp 1 are installed on a suspension arm between a main lifting hook and an auxiliary lifting hook of a floating crane in advance, a balance change gear 21 is installed on the suspension arm of the floating crane, the balance change gear 21 is fixedly connected with a fixed frame 22, a guide wheel 24 and a fixed pulley 231 are fixed on the fixed frame 22, one end of a main lifting rope 3 is fixed on the floating crane, the other end of the main lifting rope is fixed on a movable pulley 232, the main lifting rope 3 is wound on the fixed pulley 231 along the movable pulley 232 and then wound on a second lifting hook 26 fixed with the movable pulley 232, the position of a positioning part 12 is adjusted before pile turning operation is carried out, so that the wall of a single pile enters a clamping opening, a telescopic part 121 is used for positioning, the lifting heights of two different pile turning clamps 1 are adjusted until the single pile reaches a nearly vertical degree, pile turning operation is finished, and after the pile turning operation is finished, the telescopic part 121 is loosened, and the pile turning clamp 1 is moved out.

The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.

Claims

1. The single-pile auxiliary pile turning equipment for the offshore wind power fan is characterized by comprising pile turning fixtures (1) and hanging units (2), wherein the pile turning fixtures (1) are at least two, and each pile turning fixture (1) comprises a clamping part (11), a positioning part (12) and a connecting part (13);

the clamping portion (11) comprises a first connecting piece (111), a supporting piece (112) and a second connecting piece (113) which are fixedly connected in sequence, the axes of the first connecting piece (111) and the second connecting piece (113) are parallel to each other, the first connecting piece (111) and the supporting piece (112) are perpendicular to each other, and a clamping interface (114) is formed by the first connecting piece (111) and the second connecting piece (113);

the connecting part (13) comprises a connecting seat (131), a rotating shaft (132) and a connecting frame (133), the connecting seat (131) is fixedly connected with the first connecting part (111), the rotating shaft (132) penetrates through the connecting seat (131) and the connecting frame (133), and the connecting seat (131) is rotatably connected with the connecting frame (133);

hang unit (2) including balanced change gear (21), mount (22), main lifting rope (3), vice lifting rope (4), main lifting rope assembly pulley (23) and leading wheel (24), balanced change gear (21) external fixation is provided with mount (22), mount (22) internal fixation has leading wheel (24), and vice lifting rope (4) are around locating leading wheel (24) and vice lifting rope (4) tip are equipped with first lifting hook (25), first lifting hook (25) with connecting portion (13) fixed connection.

2. The wind turbine single pile auxiliary pile overturning device for offshore wind power is characterized in that the positioning part (12) comprises a telescopic piece (121) and a positioning plate (122), the telescopic piece (121) is fixedly connected with the first connecting piece (111), and a telescopic end of the telescopic piece (121) penetrates through the first connecting piece (111) and is fixed with the positioning plate (122).

3. The single-pile auxiliary pile overturning device for the wind turbine generator used for offshore wind power as claimed in claim 1, wherein the main lifting rope pulley block (23) comprises a fixed pulley (231) and a movable pulley (232), the fixed pulley (231) is fixed on the fixed frame (22), two ends of the movable pulley (232) are respectively fixed with a second lifting hook (26) and a third lifting hook (29), the first lifting hook (25) is fixed on one of the connecting frames (133), the third lifting hook (29) is fixed on the other connecting frame (133), the main lifting rope (3) is fixedly connected with the movable pulley (232) through the second lifting hook (26), and one end of the main lifting rope (3) fixed on the movable pulley (232) is wound on the fixed pulley (231) and then wound back on the movable pulley (232).

4. The wind turbine monopile auxiliary pile overturning device for offshore wind power as claimed in claim 3, wherein the first lifting hook (25), the second lifting hook (26) and the third lifting hook (29) each comprise a lifting hook body (27) and an anti-dropping piece (28).