CN115783970A

CN115783970A - Wind-powered electricity generation subassembly hoist and mount auxiliary device

Info

Publication number: CN115783970A
Application number: CN202310051205.1A
Authority: CN
Inventors: 李铭辉; 徐贵阳; 孙德珍; 张臻臻
Original assignee: Shandong Aoxiang Power Engineering Design Consulting Co ltd
Current assignee: Shandong Aoxiang Power Engineering Design Consulting Co ltd
Priority date: 2023-02-02
Filing date: 2023-02-02
Publication date: 2023-03-14
Anticipated expiration: 2043-02-02
Also published as: CN115783970B

Abstract

The invention discloses a wind power assembly hoisting auxiliary device which comprises fixed semi-rings and movable semi-rings, wherein the two fixed semi-rings can be spliced into a ring shape, the two movable semi-rings can be spliced into a ring shape, a plurality of bolt hooks are arranged on the inner sides of the fixed semi-rings, a plurality of clamping plates are arranged on the inner sides of the movable semi-rings, a plurality of hydraulic rods are connected to the outer sides of the movable semi-rings in a sliding mode through a plurality of universal shaft sleeves, and the tail ends of piston rods of the hydraulic rods are connected to the outer sides of the fixed semi-rings through universal joints. Compared with the prior art, the invention can ensure that the fan hub is stably butted into the generator flange in the hoisting process, and prevent the fan hub from colliding with the generator to cause damage or safety accidents due to shaking in the hoisting process.

Description

Wind-powered electricity generation subassembly hoist and mount auxiliary device

Technical Field

The invention relates to the technical field of wind power installation, in particular to a wind power assembly hoisting auxiliary device.

Background

The supporting column and the generator are installed in the hoisting process of the wind power assembly, the blades are installed on the hub on the ground, then the hub is hoisted on the generator, in the process that the hub is hoisted on the generator, the hub is heavy, large in size and greatly influenced by wind power, the accuracy requirement is high, the installation difficulty is very high, and the hub can collide with the generator to cause equipment damage or safety accidents due to shaking in the hoisting process.

Therefore, it is necessary to provide a wind power assembly hoisting auxiliary device to solve the problems in the background art.

Disclosure of Invention

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a wind-powered electricity generation subassembly hoist and mount auxiliary device, includes stationary half ring, activity semi-ring, two stationary half ring can splice for the annular, two the activity semi-ring can splice for the annular, stationary half ring inboard is equipped with a plurality of bolt hooks, activity semi-ring inboard is equipped with a plurality of clamp plates, the activity semi-ring outside is connected with many hydraulic stems through a plurality of universal sleeve slidable, the piston rod end of hydraulic stem is connected to the stationary half ring outside through the universal joint.

Further, preferably, the bolt hooks distributed on two sides of the center line in the fixing half ring are symmetrically distributed, and the openings are opposite to the center line.

Further, preferably, the inner side of the bolt hook is distributed with threads.

Further, preferably, the stationary half ring has a cavity therein, and the bolt hook is rotatably inserted into the stationary half ring.

Preferably, sliding grooves are formed in two sides of each fixed semi-ring, arc-shaped racks are slidably arranged in the sliding grooves, the tail end of each bolt hook is connected with the fixed semi-ring through a gear, and the gear is meshed with the corresponding rack.

Further, preferably, a screw is connected to the middle of the stationary half ring in a threaded manner, a connecting sleeve is rotatably arranged at the nut end of the screw in a movement-limited manner, and two sides of the connecting sleeve are respectively hinged to the racks at two sides through a connecting rod.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the connecting sleeve can be close to or far away from the fixed semi-ring by rotating the screw rod, so that the connecting rod drives the racks on the two sides to synchronously and reversely slide, and the bolt hook can change the rotating angle by sliding the racks, so that the bolt hook can hook or loosen the connecting bolt. After the two fixed semi-rings are spliced into a ring shape, the bolt hooks in the two fixed semi-rings are mutually symmetrical, so that the bolt hooks with the openings facing a plurality of directions can respectively hook the connecting bolt in the fan hub to limit the radial displacement between the fixed semi-rings and the fan hub.

According to the invention, the length of each hydraulic rod is adjusted in sequence, so that each hydraulic rod is adjusted to the same length, the two fixed half rings and the two movable half rings are parallel, each hydraulic rod is synchronously contracted, the two fixed half rings are close to the two movable half rings, the connecting bolt is inserted into the connecting hole of the generator flange, the fan hub can be stably butted to the generator flange in the hoisting process, and the fan hub is prevented from colliding with the generator due to shaking in the hoisting process to cause damage or safety accidents.

Drawings

FIG. 1 is a schematic structural diagram of a wind power assembly hoisting auxiliary device;

FIG. 2 is a schematic view of the structure within the retaining half-ring;

FIG. 3 is a schematic structural view of a fan hub and a generator flange;

in the figure: 1. a stationary half ring; 2. a bolt hook; 21. a gear; 3. a movable half ring; 4. a clamping plate; 5. a hydraulic rod; 6. a rack; 7. a chute; 8. a screw; 9. connecting sleeves; 10. a connecting rod; 11. a fan hub; 12. a generator flange; 13. and connecting the bolts.

Detailed Description

Referring to fig. 1, in an embodiment of the present invention, an auxiliary device for hoisting a wind power module includes fixed half rings 1 and movable half rings 3, the two fixed half rings 1 can be spliced into a ring shape, the two movable half rings 3 can be spliced into a ring shape, a plurality of bolt hooks 2 are disposed on the inner sides of the fixed half rings 1, a plurality of clamping plates 4 are disposed on the inner sides of the movable half rings 3, the outer sides of the movable half rings 3 are slidably connected with a plurality of hydraulic rods 5 through a plurality of universal shaft sleeves, and the tail ends of piston rods of the hydraulic rods 5 are connected to the outer sides of the fixed half rings 1 through universal joints.

In this embodiment, the bolt hooks 2 distributed on two sides of the center line in the stationary half ring 1 are symmetrically distributed, and the openings face away from the center line. When the two stationary half rings 1 are connected into a ring shape, the bolt hooks 2 in the two stationary half rings 1 are symmetrical to each other, so that the bolt hooks 2 with openings facing multiple directions can respectively hook the connecting bolts 13 in the fan hub 11, thereby limiting the radial displacement between the stationary half rings 1 and the fan hub 11.

In this embodiment, threads are distributed on the inner side of the bolt hook 2. When the bolt hook 2 hooks the connecting bolt 13, the inner thread of the bolt hook 2 can be engaged with the connecting bolt 13, so as to limit the axial displacement between the stationary half ring 1 and the fan hub 11.

Referring to fig. 2, in the present embodiment, the stationary half ring 1 has a cavity therein, and the bolt hook 2 is rotatably embedded in the stationary half ring 1.

In this embodiment, sliding grooves 7 are respectively formed in two sides of the inside of the stationary half ring 1, an arc-shaped rack 6 is slidably disposed in each sliding groove 7, the end of each bolt hook 2 is connected to the stationary half ring 1 through a gear 21, and the gear 21 is engaged with the corresponding rack 6. The bolt hook 2 can change the rotation angle by sliding the rack 6, so that the bolt hook 2 can hook or loosen the connecting bolt 13.

In this embodiment, a screw 8 is connected to the middle of the stationary half ring 1 through a thread, a connecting sleeve 9 is provided at a nut end of the screw 8 to be rotatable and to be limited to move, and two sides of the connecting sleeve 9 are respectively hinged to the racks 6 at two sides through a connecting rod 10. That is, the connecting sleeve 9 can be moved toward or away from the stationary half ring 1 by rotating the screw 8, so that the connecting rod 10 drives the racks 6 on both sides to synchronously slide in opposite directions.

Referring to fig. 3, in specific implementation, during the hoisting of the wind power assembly, after the generator is installed, the fan blade is connected to the fan hub 11 on the ground, the two stationary half rings 1 are fixed together and sleeved around the connecting bolt 13 of the fan hub 11, the two movable half rings 3 are fixed together, each hydraulic rod 5 is in a movable state, the screw 8 is rotated to enable the bolt hook 2 to rotate to hook the corresponding connecting bolt 13, and the two stationary half rings 1 are fixed in the fan hub 11;

the fan hub 11 is hoisted to the position of the generator, the connecting bolt 13 is approximately aligned with the generator flange 12, the two movable half rings 3 can freely move and rotate due to the movable state of each hydraulic rod 5, and a constructor pulls the two movable half rings 3 to the position of the generator flange 12 in the generator and fixes the two movable half rings 3 to the edge of the generator flange 12 through the clamping plate 4;

the length of each hydraulic rod 5 is adjusted in sequence, each hydraulic rod 5 is adjusted to the same length, two fixed half rings 1 and two movable half rings 3 are parallel, a connecting bolt 13 is aligned to a connecting hole of a generator flange 12, each hydraulic rod 5 is synchronously contracted again, the two fixed half rings 1 are close to the two movable half rings 3, the connecting bolt 13 is inserted into the connecting hole of the generator flange 12, the two fixed half rings 1 and the two movable half rings 3 are detached after the connecting bolt 13 and the generator flange 12 are pre-fixed through a nut, and the nut is continuously screwed to fix the connecting bolt 13 and the generator flange 12.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a wind power component hoist and mount auxiliary device, includes fixed semi-ring (1), activity semi-ring (3), its characterized in that, two fixed semi-ring (1) can splice for the annular, two activity semi-ring (3) can splice for the annular, fixed semi-ring (1) inboard is equipped with a plurality of bolt hooks (2), activity semi-ring (3) inboard is equipped with a plurality of clamp plates (4), activity semi-ring (3) outside is connected with many hydraulic stems (5) through a plurality of universal shaft sleeve slidable, the piston rod end of hydraulic stem (5) is connected to fixed semi-ring (1) outside through the universal joint.

2. The wind power assembly hoisting auxiliary device according to claim 1, wherein the bolt hooks (2) distributed on two sides of the center line of the stationary half ring (1) are symmetrically distributed, and the openings face away from the center line.

3. The wind power assembly hoisting auxiliary device according to claim 1, wherein the inner side of the bolt hook (2) is distributed with threads.

4. The wind power assembly hoisting auxiliary device according to claim 1, wherein the stationary half ring (1) has a cavity therein, and the bolt hook (2) is rotatably embedded in the stationary half ring (1).

5. The wind power assembly hoisting auxiliary device according to claim 4, wherein sliding grooves (7) are respectively formed in two sides of the inside of the fixed half ring (1), an arc-shaped rack (6) is slidably arranged in each sliding groove (7), the tail end of each bolt hook (2) is connected with the fixed half ring (1) through a gear (21), and the gear (21) is meshed with the corresponding rack (6).

6. The wind power assembly hoisting auxiliary device according to claim 5, wherein a screw (8) is connected to the middle of the stationary half ring (1) in a threaded manner, a connecting sleeve (9) is rotatably and movably limited at the nut end of the screw (8), and two sides of the connecting sleeve (9) are respectively hinged to the racks (6) at two sides through a connecting rod (10).