CN215558525U

CN215558525U - Hoisting structure for maintenance of wind turbine generator

Info

Publication number: CN215558525U
Application number: CN202120102586.8U
Authority: CN
Inventors: 陈虎; 刘龙辉; 李扬; 孙正美; 刘赛
Original assignee: Qingdao Baiheng New Energy Technology Co ltd
Current assignee: Qingdao Baiheng New Energy Technology Co ltd
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2022-01-18
Anticipated expiration: 2031-01-14

Abstract

The utility model discloses a hoisting structure for maintaining a wind turbine generator, which comprises a fan rod, wherein the bottom end of the fan rod is fixedly connected with a fan base, a first pole holding frame and a second pole holding frame are arranged on the side surface of the fan rod and close to the top of the fan rod, the right end of the second pole holding frame is fixedly connected with a detachable hoisting wheel, and a support connecting rod is arranged between the detachable hoisting wheel and the first pole holding frame; the upper surface of fan base fixedly connected with motor mount pad, the top fixedly connected with driving motor of motor mount pad, driving motor's output is connected with the transmission case, wire rope is stretched out to the side of transmission case, and wire rope's one end is walked around and is dismantled hanging wheel fixedly connected with hoist cable. According to the utility model, the two groups of pole holding frame structures are arranged, the detachable hanging wheels are arranged at the top end of the fan pole, and then the power device arranged on the ground pulls the steel wire rope, so that the whole structure is simple, and the fan is convenient to use during maintenance.

Description

Hoisting structure for maintenance of wind turbine generator

Technical Field

The utility model relates to the technical field of hoisting, in particular to a hoisting structure for maintaining a wind turbine generator.

Background

The wind generating set comprises a wind wheel and a generator; the wind wheel comprises blades, a hub, a reinforcing member and the like; it has the functions of wind driven blade rotation to generate electricity, generator head rotation, etc. The wind power generation power supply comprises a wind generating set, a tower frame for supporting the generating set, a storage battery charging controller, an inverter, an unloader, a grid-connected controller, a storage battery pack and the like, wherein the wind generating set is usually arranged at the top end of a higher fan pole, a hoisting device is required to be used when maintenance is carried out, and components needing to be replaced and maintained are hoisted.

The existing hoisting device is complex in structure, a long telescopic arm is required to be arranged to work, the size is very large, the moving and the using are very troublesome, and in order to conveniently maintain the wind turbine generator, the utility model provides the hoisting structure arranged on the fan rod.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a hoisting structure for maintaining a wind turbine generator.

In order to achieve the purpose, the utility model adopts the following technical scheme: a hoisting structure for maintaining a wind turbine generator comprises a fan rod, wherein the bottom end of the fan rod is fixedly connected with a fan base, a first pole holding frame and a second pole holding frame are arranged on the side surface of the fan rod and close to the top of the fan rod, the right end of the second pole holding frame is fixedly connected with a detachable hoisting wheel, and a support connecting rod is arranged between the detachable hoisting wheel and the first pole holding frame;

the upper surface of fan base fixedly connected with motor mount pad, the top fixedly connected with driving motor of motor mount pad, driving motor's output is connected with the transmission case, wire rope is stretched out to the side of transmission case, and wire rope's one end is walked around and is dismantled hanging wheel fixedly connected with hoist cable.

As a further description of the above technical solution:

the detachable hanging wheel comprises a fixed connecting block fixedly connected with the second holding pole frame, the right end of the fixed connecting block is detachably connected with a hanging wheel frame, and the inner side of the hanging wheel frame is movably connected with a movable hanging wheel.

As a further description of the above technical solution:

the bottom surface of the fixed connection block is fixedly connected with a bottom supporting block, and the other end of the bottom supporting block extends to the lower part of the hoisting wheel frame.

As a further description of the above technical solution:

the right-hand member fixedly connected with threaded rod of fixed connection piece, the through-hole has been seted up to the left end of crane carrier, the threaded rod stretches into the inside of through-hole to press from both sides tightly fixedly through the nut.

As a further description of the above technical solution:

and a screw is arranged between the bottom supporting block and the hoisting wheel frame.

As a further description of the above technical solution:

the side face of the sling is movably connected with a hanging ring, and a control pull rope is connected to the hanging ring.

As a further description of the above technical solution:

the transmission case is internally provided with a reel, and the steel wire rope is fixedly connected with the reel.

As a further description of the above technical solution:

and a reel self-locking structure is further arranged in the transmission case.

The utility model has the following beneficial effects:

1. compared with the prior art, this hoisting structure is used in wind turbine generator system maintenance through being provided with two sets of pole frame structures of embracing, will dismantle the hanging wheel and install on the top of fan pole, then stimulates wire rope through the power device who sets up on ground, and overall structure is fairly simple, is convenient for use in the fan maintenance.

2. Compared with the prior art, this hoisting structure is used in wind turbine generator system maintenance sets up to dismantling the connection through hanging the wheel, can conveniently install and embrace lever bracket and hanging the wheel, and the bottom of hanging the wheel is provided with bottom sprag piece structure, can increase the structural strength who hangs the wheel.

3. Compared with the prior art, this hoisting structure is used in wind turbine generator system maintenance is through being provided with the control stay cord structure in the side of hoist cable, makes things convenient for subaerial people to control the position of hoist cable.

Drawings

Fig. 1 is an overall structural schematic diagram of a hoisting structure for maintaining a wind turbine generator set provided by the utility model;

fig. 2 is a schematic structural view of a hanging wheel of the hoisting structure for maintaining the wind turbine generator set provided by the utility model;

fig. 3 is a schematic structural view of a hanging wheel of the hoisting structure for maintaining the wind turbine generator.

Illustration of the drawings:

1. a first pole holding frame; 2. a second holding rod frame; 3. the hanging wheel can be disassembled; 301. a hanger frame; 302. fixing a connecting block; 303. a threaded rod; 304. a bottom support block; 305. a screw; 306. a movable hanging wheel; 4. a support link; 5. a fan pole; 6. a fan base; 7. a motor mounting seat; 8. a drive motor; 9. a transmission case; 10. a wire rope; 11. a sling; 12. and controlling the pull rope.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 3, the utility model provides a hoisting structure for maintaining a wind turbine generator, which comprises: the wind power generation device comprises a fan rod 5, wherein the bottom end of the fan rod 5 is fixedly connected with a fan base 6, a first pole holding frame 1 and a second pole holding frame 2 are arranged on the side surface of the fan rod 5 and close to the top, the first pole holding frame 1 and the second pole holding frame 2 mainly play a role in connecting a detachable hanging wheel 3, the right end of the second pole holding frame 2 is fixedly connected with the detachable hanging wheel 3, and a support connecting rod 4 is arranged between the detachable hanging wheel 3 and the first pole holding frame 1, so that the strength of a connecting structure of the detachable hanging wheel 3 is improved;

the upper surface of the fan base 6 is fixedly connected with a motor mounting seat 7, the motor mounting seat 7 is used for mounting a driving motor 8, the top of the motor mounting seat 7 is fixedly connected with the driving motor 8, and the output end of the driving motor 8 is connected with a transmission case 9;

driving motor 8 and transmission case 9 can be installed and on-vehicle, be convenient for remove, use convenience more, wire rope 10 is stretched out to the side of transmission case 9, and 3 fixedly connected with hoist cable 11 of detachable hanging wheel are walked around to wire rope 10's one end, and hoist cable 11 is used for pulling the fan subassembly of bottom, and driving motor 8 drives transmission case 9 and then controls wire rope 10 and contracts.

The detachable hanging wheel 3 comprises a fixed connecting block 302 fixedly connected with the second holding frame 2, the right end of the fixed connecting block 302 is detachably connected with a hanging wheel frame 301, the inner side of the hanging wheel frame 301 is movably connected with a movable hanging wheel 306 for changing the direction of the steel wire rope 10, the bottom surface of the fixed connecting block 302 is fixedly connected with a bottom supporting block 304, the other end of the bottom supporting block 304 extends to the lower part of the hanging wheel frame 301, the right end of the fixed connecting block 302 is fixedly connected with a threaded rod 303, the left end of the hanging wheel frame 301 is provided with a through hole, the threaded rod 303 extends into the through hole and is clamped and fixed through a nut, a screw 305 is arranged between the bottom supporting block 304 and the hanging wheel frame 301, the side surface of the sling 11 is movably connected with a hanging ring, the hanging ring is connected with a control pull rope 12, the position of the sling 11 is conveniently pulled by the control pull rope 12, a twisting wheel is arranged in the transmission case 9, and the steel wire rope 10 is fixedly connected with the twisting wheel, the transmission case 9 is also internally provided with a reel self-locking structure to avoid the reel from rotating.

The working principle is as follows: when the lifting device is used, the driving motor 8 rotates to drive the transmission case 9 and wind the steel wire rope 10 to lift the sling 11 upwards, the purpose of lifting the fan maintenance assembly is achieved, the position of the sling 11 is controlled through the control pull rope 12 when the fan maintenance assembly is lifted, collision with the fan rod 5 is avoided, and the lifting device is very convenient to use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a hoist and mount structure is used in wind turbine generator system maintenance, includes fan pole (5), the bottom fixedly connected with fan base (6) of fan pole (5), its characterized in that: a first pole holding frame (1) and a second pole holding frame (2) are arranged on the side surface of the fan pole (5) and close to the top, a detachable hanging wheel (3) is fixedly connected to the right end of the second pole holding frame (2), and a support connecting rod (4) is arranged between the detachable hanging wheel (3) and the first pole holding frame (1);

the upper surface fixed connection of fan base (6) has motor mount pad (7), the top fixedly connected with driving motor (8) of motor mount pad (7), the output of driving motor (8) is connected with transmission case (9), wire rope (10) are stretched out to the side of transmission case (9), and the one end of wire rope (10) is walked around and can be dismantled hanging wheel (3) fixedly connected with hoist cable (11).

2. The hoisting structure for maintaining the wind turbine generator according to claim 1, wherein: the detachable hanging wheel (3) comprises a fixed connecting block (302) fixedly connected with the second pole holding frame (2), the right end of the fixed connecting block (302) is detachably connected with a hanging wheel frame (301), and the inner side of the hanging wheel frame (301) is movably connected with a movable hanging wheel (306).

3. The hoisting structure for maintaining the wind turbine generator set according to claim 2, wherein: the bottom surface of the fixed connecting block (302) is fixedly connected with a bottom supporting block (304), and the other end of the bottom supporting block (304) extends to the lower part of the hoisting wheel frame (301).

4. The hoisting structure for maintaining the wind turbine generator set according to claim 3, wherein: the right-hand member fixedly connected with threaded rod (303) of fixed connection piece (302), the through-hole has been seted up to the left end of crane carriage (301), threaded rod (303) stretch into the inside of through-hole to press from both sides tightly fixedly through the nut.

5. The hoisting structure for maintaining the wind turbine generator set according to claim 4, wherein: and a screw (305) is arranged between the bottom supporting block (304) and the hoisting wheel frame (301).

6. The hoisting structure for maintaining the wind turbine generator according to claim 1, wherein: the side surface of the sling (11) is movably connected with a hanging ring, and the hanging ring is connected with a control pull rope (12).

7. The hoisting structure for maintaining the wind turbine generator according to claim 1, wherein: a reel is arranged in the transmission case (9), and the steel wire rope (10) is fixedly connected with the reel.

8. The hoisting structure for maintaining the wind turbine generator according to claim 7, wherein: and a reel self-locking structure is further arranged in the transmission case (9).