CN115783970B

CN115783970B - Wind power component hoisting auxiliary device

Info

Publication number: CN115783970B
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: 2023-04-21
Anticipated expiration: 2043-02-02
Also published as: CN115783970A

Abstract

The invention discloses a wind power assembly hoisting auxiliary device which comprises a fixed half ring and a movable half ring, wherein the two fixed half rings can be spliced into a ring shape, the two movable half rings can be spliced into a ring shape, a plurality of bolt hooks are arranged on the inner side of the fixed half ring, a plurality of clamping plates are arranged on the inner side of the movable half ring, the outer side of the movable half ring is slidably connected with a plurality of hydraulic rods through a plurality of universal shaft sleeves, and the tail ends of piston rods of the hydraulic rods are connected to the outer side of the fixed half ring 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 being collided with the generator due to shaking in the hoisting process to cause damage or safety accidents.

Description

Wind power component hoisting 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 wind power assembly is provided with the support post and the generator in the hoisting process, the hub is hoisted to the generator after the blades are installed on the hub on the ground, the hub is hoisted to the generator in the hoisting process due to the fact that the hub is large in weight, large in size and large in influence by wind power, the requirement on precision is high, the installation difficulty is very high, and the hub can collide with the generator to cause equipment damage or safety accidents when the hub is rocked in the hoisting process.

Therefore, it is necessary to provide an auxiliary device for hoisting wind power components to solve the problems set forth in the above-mentioned background art.

Disclosure of Invention

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a wind-powered electricity generation subassembly hoist and mount auxiliary device, includes stationary half ring, movable half ring, two the stationary half ring can splice to annular, two the movable half ring can splice to annular, stationary half ring inboard is equipped with a plurality of bolt hooks, movable half ring inboard is equipped with a plurality of clamping plates, the movable half ring outside is connected with many hydraulic stems through a plurality of universal axle 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 center in the half ring of the fixing device are symmetrically distributed, and the openings are opposite to the center line.

Further, preferably, threads are distributed on the inner side of the bolt hook.

Further, preferably, the fixing half ring is provided with a cavity, and the bolt hook is rotatably embedded in the fixing half ring.

Further, preferably, sliding grooves are respectively formed in two sides of the fixing half ring, arc racks are slidably arranged in the sliding grooves, the tail end of each bolt hook is connected with the fixing half ring through a gear respectively, and the gear is meshed with the corresponding rack.

Further, preferably, the middle part of the half ring of the fixed is connected with a screw in a threaded manner, a connecting sleeve is rotatably arranged at the nut end of the screw in a limited movement manner, and two sides of the connecting sleeve are respectively hinged into 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 is close to or far from the half ring of the fixing device by rotating the screw rod, so that the connecting rod drives racks on two sides to synchronously and reversely slide, the rotating angle of the bolt hook can be changed by sliding the racks, and the bolt hook can hook or loosen the connecting bolt. After two stationary half rings are spliced into a ring shape, the bolt hooks in the two stationary half rings are mutually symmetrical, so that the bolt hooks with openings facing multiple directions can respectively hook the connecting bolts in the fan hub to limit the radial displacement between the stationary half rings and the fan hub, when the bolt hooks hook the connecting bolts, the threads on the inner sides of the bolt hooks can be meshed with the connecting bolts, thereby limiting the axial displacement between the stationary half rings and the fan hub, and further enabling the two stationary half rings to rapidly clamp the connecting bolts.

According to the invention, the length of each hydraulic rod is sequentially adjusted, so that each hydraulic rod is adjusted to the same length, at the moment, the two fixed half rings are parallel to the two movable half rings, each hydraulic rod is synchronously contracted, the two fixed half rings are close to the two movable half rings, and the connecting bolts are inserted into the connecting holes of the generator flange, so that the fan hub can be stably butted into the generator flange in hoisting, and damage or safety accidents caused by collision of the fan hub to the generator due to shaking in hoisting can be prevented.

Drawings

FIG. 1 is a schematic structural view of a wind power assembly lifting auxiliary device;

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

FIG. 3 is a schematic view of a fan hub connected to 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 (5) connecting bolts.

Detailed Description

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

In this embodiment, the bolt hooks 2 distributed on both sides of the center line center in the half ring 1 are symmetrically distributed, and the openings are opposite to the center line. After the two half stator rings 1 are spliced into a ring shape, the bolt hooks 2 in the two half stator rings 1 are mutually symmetrical, so that the bolt hooks 2 with openings facing multiple directions can respectively hook the connecting bolts 13 in the fan hub 11, and radial displacement between the half stator rings 1 and the fan hub 11 is limited.

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 threads on the inner side of the bolt hook 2 can be meshed with the connecting bolt 13, so that the axial displacement between the retainer half ring 1 and the fan hub 11 is limited.

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

In this embodiment, the two sides in the half-fixing ring 1 are respectively provided with a sliding groove 7, the sliding grooves 7 are slidably provided with arc racks 6, the tail end of each bolt hook 2 is respectively connected with the half-fixing ring 1 through a gear 21, and the gear 21 is meshed with the corresponding rack 6. The bolt hook 2 can be changed in rotation angle by sliding the rack 6, so that the bolt hook 2 can hook or release the connecting bolt 13.

In this embodiment, the middle part of the stationary half ring 1 is in threaded connection with a screw rod 8, a connecting sleeve 9 is rotatably and limitedly movably disposed at a nut end of the screw rod 8, and two sides of the connecting sleeve 9 are respectively hinged into racks 6 at two sides through a connecting rod 10. That is, the connecting sleeve 9 can be close to or far away from the stationary half ring 1 by rotating the screw rod 8, so that the connecting rod 10 drives the racks 6 on both sides to synchronously and reversely slide.

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

hanging the fan hub 11 to the position of the generator, enabling the connecting bolts 13 to be approximately aligned with the generator flange 12, enabling the two movable half rings 3 to freely move and rotate due to the fact that each hydraulic rod 5 is in a movable state, pulling the two movable half rings 3 to the position of the generator flange 12 in the generator by constructors, and fixing the two movable half rings 3 to the edge of the generator flange 12 through the clamping plates 4;

the length of each hydraulic rod 5 is sequentially adjusted, so that each hydraulic rod 5 is adjusted to the same length, at the moment, the two fixed semi-rings 1 and the two movable semi-rings 3 are parallel, the connecting bolts 13 are aligned with the connecting holes of the generator flange 12, each hydraulic rod 5 is synchronously contracted, the two fixed semi-rings 1 are close to the two movable semi-rings 3, the connecting bolts 13 are inserted into the connecting holes of the generator flange 12, after the connecting bolts 13 are pre-fixed with the generator flange 12 through nuts, the two fixed semi-rings 1 and the two movable semi-rings 3 are removed, and then the nuts are continuously screwed down to fix the connecting bolts 13 with the generator flange 12.

The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims

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

bolt hooks (2) which are distributed on two sides with the central line as the center are symmetrically distributed in the fixed semi-ring (1), and the openings are opposite to the central line;

the fixing semi-ring (1) is internally provided with a cavity, and the bolt hook (2) is rotatably embedded in the fixing semi-ring (1);

the two sides in the fixed semi-ring (1) are respectively provided with a chute (7), arc racks (6) are slidably arranged in the chute (7), the tail end of each bolt hook (2) is connected with the fixed semi-ring (1) through a gear (21), and the gear (21) is meshed with the corresponding racks (6).

2. Wind power assembly lifting auxiliary device according to claim 1, characterized in that the inner side of the bolt hook (2) is provided with threads.

3. Wind power assembly hoisting auxiliary device according to claim 1, characterized in that the middle thread of the stationary half ring (1) is connected with a screw rod (8), the nut end of the screw rod (8) is rotatably and limitedly movably provided with a connecting sleeve (9), and two sides of the connecting sleeve (9) are respectively hinged into racks (6) at two sides through a connecting rod (10).