CN219509754U

CN219509754U - Impeller gyration equipment frock

Info

Publication number: CN219509754U
Application number: CN202320604572.5U
Authority: CN
Inventors: 喻祥; 周展鹏; 曾文阳; 孙伟豪; 刘阳
Original assignee: Guangdong Jing Yin Ocean Engineering Co Ltd
Current assignee: Guangdong Jing Yin Ocean Engineering Co Ltd
Priority date: 2023-03-23
Filing date: 2023-03-23
Publication date: 2023-08-11
Anticipated expiration: 2033-03-23

Abstract

The utility model provides an impeller rotation assembly tool, which comprises: the device comprises a base, a plurality of planetary gear boxes, a plurality of couplings, a plurality of control motors, a transition flange and a slewing bearing; the base is used for being fixedly arranged on the deck, the slewing bearing is provided with a stator end and a rotor end, the top of the transition flange is fixedly connected with the fan hub, and the bottom of the transition flange is fixedly connected with the rotor end of the slewing bearing; the base is fixedly connected with the stator end of the slewing bearing; the plurality of control motors are respectively connected with the plurality of planetary gear boxes through the plurality of couplings, and the plurality of planetary gear boxes are in transmission connection with the slewing bearing. The impeller rotation assembly tool reduces the difficulty of impeller rotation assembly in the process of assembling the blades, improves the hoisting efficiency and greatly reduces the tool cost.

Description

Impeller gyration equipment frock

Technical Field

The utility model relates to the technical field of new energy, in particular to an impeller rotation assembly tool.

Background

The offshore wind power is used as a novel energy source, the offshore wind power is rapidly rolled worldwide with huge power generation potential and energy cleanliness, but the structural construction is greatly influenced by construction environments (sea conditions, wind power and the like), so that the integrated hoisting construction method is used, and the shortening of the construction period is a target pursued by each offshore wind power construction enterprise.

With the rapid development of the capacity and the scale of the offshore wind farm, the current impeller rotation assembly tool is mainly fixed, 3 blades are installed according to preset fixed positions, and the conventional fixing device does not have the rotation function of the blades.

However, the difficulty of impeller rotation assembly is increased in the process of assembling the blades by the wind power, the hoisting efficiency is low, and the tooling cost is greatly increased.

Disclosure of Invention

Aiming at the defects of the related technology, the utility model provides an impeller rotation assembly tool which is used for solving the problems that the difficulty of impeller rotation assembly is increased, the hoisting efficiency is low and the tool cost is greatly increased in the process of assembling blades by the existing wind power.

In order to solve the above technical problems, an embodiment of the present utility model provides an impeller rotation assembly tool, including: the device comprises a base, a plurality of planetary gear boxes, a plurality of couplings, a plurality of control motors, a transition flange and a slewing bearing;

the base is used for being fixedly arranged on the deck, the slewing bearing is provided with a stator end and a rotor end, the top of the transition flange is fixedly connected with the fan hub, and the bottom of the transition flange is fixedly connected with the rotor end of the slewing bearing; the base is fixedly connected with the stator end of the slewing bearing;

the plurality of control motors are respectively connected with the plurality of planetary gear boxes through the plurality of couplings, and the plurality of planetary gear boxes are in transmission connection with the slewing bearing.

Preferably, the base comprises a plurality of supporting feet which are uniformly distributed and a connecting part which is fixed on the supporting feet, and the connecting part is fixedly connected with the stator end.

Preferably, the supporting legs are of a semi-U-shaped bending structure.

Preferably, the impeller rotation assembly fixture further comprises 3 latch plates, one side of each latch plate is welded with the transition flange, and the other side of each latch plate is welded and fixed with the semi-U-shaped bending structure.

Preferably, the latch plate is fixed to the base by a shear pin.

Preferably, the base and the stator end are fixedly connected in a matched mode through a plurality of first bolts and a plurality of first nuts.

Preferably, a plurality of spring washers are sleeved on the plurality of first bolts.

Preferably, the first bolt is a hexagon head bolt, and the first nut is a hexagon nut.

Preferably, the slewing bearing is fixedly connected with the transition flange through an equal-length stud.

Compared with the related art, the utility model is fixedly arranged on a deck through the base, the slewing bearing is provided with a stator end and a rotor end, the top of the transition flange is fixedly connected with a fan hub, and the bottom of the transition flange is fixedly connected with the rotor end of the slewing bearing; the base is fixedly connected with the stator end of the slewing bearing; the plurality of control motors are respectively connected with the plurality of planetary gear boxes through the plurality of couplings, and the plurality of planetary gear boxes are in transmission connection with the slewing bearing. Therefore, in the process of assembling the blades, the difficulty of rotary assembly of the impeller is reduced, the hoisting efficiency is improved, and the tooling cost is greatly reduced.

Drawings

The present utility model will be described in detail with reference to the accompanying drawings. The foregoing and other aspects of the utility model will become more apparent and more readily appreciated from the following detailed description taken in conjunction with the accompanying drawings. In the accompanying drawings:

FIG. 1 is a top view of an impeller swing assembly tooling of the present utility model;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is a partial enlarged view of B of fig. 2.

In the figure, 1, a transition flange, 2, a planetary gear box, 3, a slewing bearing, 4, a base, 41, supporting legs, 42, a connecting part, 5, a safety pin, 6, a control motor, 7, a coupling, 8, a deck, 9, a bolt board, 10, a first bolt, 11, a first nut, 12, a spring washer, 13 and an equal-length stud.

Detailed Description

The following describes in detail the embodiments of the present utility model with reference to the drawings.

The detailed description/examples set forth herein are specific embodiments of the utility model and are intended to be illustrative and exemplary of the concepts of the utility model and are not to be construed as limiting the scope of the utility model. In addition to the embodiments described herein, those skilled in the art will be able to adopt other obvious solutions based on the disclosure of the claims and specification, including any obvious alterations and modifications to the embodiments described herein, all within the scope of the present utility model.

Example 1

As shown in fig. 1-3, the present utility model provides an impeller rotation assembly fixture, comprising: a base 4, a plurality of planetary gearboxes 2, a plurality of couplings 7, a plurality of control motors 6, a transition flange 1 and a slewing bearing 3.

The base 4 is fixedly arranged on the deck 8, the slewing bearing 3 is provided with a stator end and a rotor end, the top of the transition flange 1 is fixedly connected with a fan hub, and the bottom of the transition flange 1 is fixedly connected with the rotor end of the slewing bearing 3; the base 4 is fixedly connected with the stator end of the slewing bearing 3;

the plurality of control motors 6 are respectively connected with the plurality of planetary gear boxes 2 through the plurality of couplings 7, and the plurality of planetary gear boxes 2 are in transmission connection with the slewing bearing 3.

Wherein, control motor 6 links to each other with shaft coupling 7, and shaft coupling 7 is connected with planetary gear box 2, and 2 planetary gear boxes 2 are installed to slewing bearing 3 inboard, and planetary gear box 2 plays the efficiency of increasing the moment of torsion, and the brake of motor plays locking device's effect.

The top of the transition flange 1 is connected with a hub of an offshore wind turbine, the hub is connected with the top of the flange through bolts, the bottom of the hub is connected with a rotor end of the slewing bearing 3 through bolts, a stator end of the slewing bearing 3 is connected with a welding base 4 through bolts, and the planetary gear box 2 drives a driving gear and internal teeth of the rotor end of the slewing bearing 3 to carry out gear engagement transmission.

Specifically, the base 4 is used for supporting and fixing the revolving shaft, the revolving bearing 3 is used for installing the transition flange 1, the control motor 6 is used for driving the planetary gear box 2 to move through the coupler 7, the planetary gear box 2 drives the revolving bearing 3 to rotate, when the revolving bearing 3 rotates, the transition flange on the upper part rotates along with the revolving shaft, the transition flange 1 rotates along with the rotation of the hub of the offshore wind turbine, and the function of blade revolution can be effectively realized. When the first blade is installed, the second blade can be installed in situ, the conventional fixing device does not have a rotation function, the conventional device needs to rotate in 3 directions when the first blade is installed, and each direction needs to rotate 120 degrees to achieve the effect. The device greatly improves the operation efficiency, reduces the operation time, namely, the function of rotating blades in 2 directions can be achieved, and when the first blade is installed, the second blade can be installed in the original position in the 120-degree rotation direction. Therefore, in the process of assembling the blades, the difficulty of rotary assembly of the impeller is reduced, the hoisting efficiency is improved, and the tooling cost is greatly reduced.

In this embodiment, the base 4 includes a plurality of supporting legs 41 uniformly distributed and a connecting portion 42 fixed on the supporting legs 41, and the connecting portion 42 is fixedly connected with the stator end. The supporting legs 41 are used for being installed and fixed on the deck 8, the connecting parts 42 are used for being connected with the stator ends of the slewing bearing 3 and used for fixing the stator ends, so that the stator ends are well fixed, and the control motor 6 is convenient to drive the planetary gear box 2 to drive the slewing bearing 3 to rotate.

In this embodiment, the supporting leg 41 has a semi-U-shaped bent structure. The semi-U-shaped bending structure plays a role in strengthening and stabilizing, the bottom surface of the welding base 4 is welded with the deck 8, and the upper surface of the welding base 4 is fixedly connected with the stator end of the slewing bearing 3.

In this embodiment, the impeller rotation assembly fixture further includes 3 latch plates 9, one side of each latch plate 9 is welded to the transition flange 1, and the other side of each latch plate 9 is welded and fixed to the semi-U-shaped bending structure.

In this embodiment, the latch plate 9 is fixed to the base 4 by a shear pin 5. Through setting up 3 bolt boards 9, bolt board 9 and transition flange 1 welding, bolt base 4 and half U type structural welding. When the motor is not started, the safety pin 5 is inserted into the bolt, and the device can play a role of mechanical locking. The device is mainly locked by the brake of the motor, and the safety pin 5 plays an auxiliary role.

In this embodiment, the base 4 and the stator end are fixedly connected by a plurality of first bolts 10 and a plurality of first nuts 11. The base 4 and the stator end are conveniently installed and fixed, and meanwhile, the bolt connection is convenient to disassemble, assemble and replace.

In this embodiment, a plurality of spring washers 12 are further sleeved on the plurality of first bolts 10. The spring washer 12 serves to increase the fixing property between the first bolt 10 and the base 4.

In this embodiment, the first bolt 10 is a hexagon head bolt, and the first nut 11 is a hexagon nut. The fixing effect is good, and the hexagonal structure is convenient to assemble and disassemble.

In this embodiment, the swivel bearing 3 is fixedly connected to the transition flange 1 by means of an isometric stud 13.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any such modifications, equivalents, and improvements that fall within the spirit and principles of the present utility model are intended to be covered by the following claims.

Claims

1. Impeller gyration equipment frock, its characterized in that includes: the device comprises a base, a plurality of planetary gear boxes, a plurality of couplings, a plurality of control motors, a transition flange and a slewing bearing;

2. The impeller turning assembly fixture of claim 1, wherein the base comprises a plurality of evenly distributed supporting feet and connecting portions fixed on the supporting feet, and the connecting portions are fixedly connected with the stator ends.

3. The impeller turning assembly tooling of claim 2, wherein the support feet are semi-U-shaped curved structures.

4. The impeller turning assembly tooling of claim 3 further comprising 3 latch plates, one side of the latch plates being welded to the transition flange and the other side of the latch plates being welded to the semi-U-shaped curved structure.

5. The impeller turning assembly tooling of claim 4 wherein the latch plate is secured to the base by a shear pin.

6. The impeller turning assembly fixture of claim 1, wherein the base is fixedly connected to the stator end by a plurality of first bolts and a plurality of first nuts.

7. The impeller turning assembly fixture of claim 6, wherein the plurality of first bolts are further sleeved with a plurality of spring washers.

8. The impeller turning assembly tooling of claim 6, wherein the first bolt is a hex head bolt and the first nut is a hex nut.

9. The impeller turning assembly tooling of claim 1, wherein the turning bearing is fixedly connected to the transition flange by means of equal length studs.