CN213574477U

CN213574477U - Wind wheel locking device of wind generating set

Info

Publication number: CN213574477U
Application number: CN202022574048.7U
Authority: CN
Inventors: 朱剑涯
Original assignee: Jiangsu Sansi Wind Power Technology Co ltd
Current assignee: Jiangsu Sansi Wind Power Technology Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-06-29
Anticipated expiration: 2030-11-10

Abstract

The utility model relates to a wind power generation technical field especially relates to a wind generating set wind wheel locking device, has solved the problem that the dead step of prior art wind wheel lock is complicated. A wind wheel locking device of a wind generating set comprises a base, a guide sleeve is arranged inside the base and fixedly connected with the base, a propeller is arranged at the top of the guide sleeve and comprises a lead screw, the guide sleeve and the propeller are fixedly connected through a flange, the flange and the guide sleeve are connected through a flange fastening bolt, the flange and the propeller are connected through a propeller fastening bolt, a lock pin is arranged inside the guide sleeve, a pressure injection type oil cylinder is arranged at the central position of the lock pin, and the lead screw and the lock pin are connected in a screwing mode through corresponding thread empty threads arranged at the top of the lock pin. The utility model discloses can be automatic and lock dead wind generating set's wind wheel when needing steadily, promote the security.

Description

Wind wheel locking device of wind generating set

Technical Field

The utility model relates to a wind power generation technical field especially relates to a wind generating set wind wheel locking device.

Background

In recent years, the wind power industry in China is developed rapidly and continuously. Both direct-drive and double-feed wind power generators take a wind wheel as a main rotating part to convert wind energy into electric energy. However, the wind wheel needs to be locked for installation and disassembly of the blades and maintenance of the wind turbine generator set, so that the safety of the generator set and human bodies is ensured. The existing wind wheel lock is simple in structure and can be operated manually, but the locking pin is difficult to insert into the locking hole, the working efficiency is low, the reliability is poor, a novel wind wheel locking device of a wind generating set can be provided aiming at the problems, and the operation step of locking the wind wheel is simplified.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a wind generating set wind wheel locking device has solved the problem that the dead step of prior art wind wheel lock is complicated.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a wind wheel locking device of a wind generating set comprises a guide sleeve, a flange, a lock pin, a propeller and a base, wherein the guide sleeve is arranged inside the base and fixedly connected with the base, the top of the guide sleeve is provided with the propeller, the propeller comprises a lead screw, the guide sleeve is fixedly connected with the propeller through the flange, the flange is connected with the guide sleeve through a flange fastening bolt, the flange is connected with the propeller through a propeller fastening bolt, the lock pin is arranged inside the guide sleeve, a pressure injection type oil cylinder is arranged at the central position of the lock pin, and the lead screw is connected with the lock pin in a screwing mode through corresponding thread empty threads arranged at the top of the lock pin.

Preferably, the outer side of the screw rod is provided with three worms matched with the screw rod, the three worms are distributed in an array mode, the center of the array is located on a middle shaft of the screw rod, two ends of each worm are fixedly connected with gears, two adjacent gears in all the gears are connected in a meshed mode through clamping teeth, two ends of each worm penetrate through a shell of the propeller and are connected with the propeller in a rotating mode through bearing sleeves at penetrating positions, and one end of each worm is connected with a connector in a screwing mode through threads.

Preferably, the joint is provided with an annular groove, the annular groove is matched with a manual screwing tool, the tail end of the joint is provided with a blind groove, and the blind groove is matched with an electric screwing tool.

Preferably, the pressure injection type oil cylinder is communicated with an oil passage in the wind driven generator.

Preferably, the propeller fastening bolts and the flange fastening bolts are arranged in an even number and are distributed in an array structure.

Preferably, the machine base, the guide sleeve, the pressure injection type oil cylinder, the lock pin and the middle shaft of the screw rod are overlapped.

The utility model discloses possess following beneficial effect at least:

1. the propeller has a simple and compact structure, and can effectively improve the centering precision and reduce the product cost; and the propeller is light in operation and reliable in self-locking, and can effectively eliminate potential safety hazards caused by inconvenient operation and unreliable self-locking.

2. The arrangement of the guide sleeve can effectively prevent the lock pin from wearing the cabin seat.

3. The output end of the propeller can bear larger load through the matching of the gear, the worm and the screw rod.

4. The worm wheel is provided with a manual wrench joint and an electric wrench joint, the ratchet wrench is connected when the power is off, the electric wrench is connected when the power is on, and the operation is flexible and convenient.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

FIG. 1 is a sectional view of the inside of a frame;

FIG. 2 is a cross-sectional view of the interior of the propeller;

fig. 3 is a schematic diagram of the worm, the gear and the screw rod.

In the figure: 1. a machine base; 2. a guide sleeve; 3. a pressure-injection type oil cylinder; 4. a lock pin; 5. a propeller; 5-1, fastening bolts of the propeller; 6. a joint; 7. a flange; 7-1, fastening bolts by using flanges; 8. a screw rod; 9. a worm; 10. a gear; 11. an annular groove; 12. a blind groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-3, a wind wheel locking device of a wind generating set comprises a guide sleeve 2, a flange 7, a lock pin 4, a propeller 5 and a base 1, wherein the guide sleeve 2 is arranged inside the base 1, the guide sleeve 2 is fixedly connected with the base 1, the top of the guide sleeve 2 is provided with the propeller 5, the propeller 5 comprises a lead screw 8, the guide sleeve 2 is fixedly connected with the propeller 5 through the flange 7, the flange 7 is connected with the guide sleeve 2 through a flange fastening bolt 7-1, the flange 7 is connected with the propeller 5 through a propeller fastening bolt 5-1, the lock pin 4 is arranged inside the guide sleeve 2, a pressure injection type oil cylinder 3 is arranged at the center position of the lock pin 4, and the lead screw 8 is screwed with the lock pin 4 through corresponding threads arranged at the top of the lock pin 4.

The scheme has the following working processes:

when one worm 9 is rotated by an electric wrench or a ratchet wrench, the rotated worm 9 can drive the other two worms 9 through the gear 10, so that the screw rod 8 can stably descend, the lock pin 4 is pushed to extend out of the machine base 1, and the wind wheel is locked.

According to the working process, the following steps are known:

the wind wheel locking device is simple and convenient to operate, the output torque can be increased through the matching of the worm 9, the gear 10 and the screw rod 8 in the propeller 5, and the operation pressure of locking the wind wheel is reduced.

Further, the outside of lead screw 8 is equipped with three worm 9 that suits with lead screw 8, three worm 9 is array distribution and array center is located the axis of lead screw 8, the equal fixedly connected with gear 10 in both ends of worm 9, adjacent two are all connected through the latch meshing in all gear 10, the both ends of worm 9 all run through the shell of propeller 5 and pass through bearing housing and propeller 5 rotation connection in the department of running through, the one end of worm 9 is connected with joint 6 through the screw thread soon, then can rotate worm 9 through joint 6, and make the output of lead screw 8 can hold and bear bigger load through the cooperation of worm 9 and gear 10

Furthermore, an annular groove 11 is formed in the joint 6, the annular groove 11 is matched with a manual screwing tool, a blind groove 12 is formed in the tail end of the joint 6, and the blind groove 12 is matched with an electric screwing tool, so that the locking operation is simpler and more convenient.

Further, the pressure injection type oil cylinder 3 is communicated with an oil duct in the wind driven generator.

Furthermore, the propeller fastening bolts 5-1 and the flange fastening bolts 7-1 are both arranged in an even number and are in an array distribution structure, so that the connection balance is ensured, and the lock pin 4 can move stably.

Furthermore, the center axes of the machine base 1, the guide sleeve 2, the pressure injection type oil cylinder 3, the lock pin 4 and the screw rod 8 are overlapped, so that the stability of the locking device is ensured.

To sum up, the effect of locking wind wheel not only can be assisted to realize with the cooperation of structure to each part, still through the stability that increases locking device self simultaneously, the tie point that sets up evenly distributed makes each part can steady operation, improves the practicality that promotes this wind generating set wind wheel locking device in the aspect of the ability that bears load when increasing locking device effect etc..

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a wind generating set wind wheel locking device, includes uide bushing (2), flange (7), lockpin (4), propeller (5) and frame (1), its characterized in that: the oil cylinder is characterized in that a guide sleeve (2) is arranged inside the base (1), the guide sleeve (2) is fixedly connected with the base (1), a propeller (5) is arranged at the top of the guide sleeve (2), the propeller (5) comprises a lead screw (8), the guide sleeve (2) is fixedly connected with the propeller (5) through a flange (7), the flange (7) is connected with the guide sleeve (2) through a flange fastening bolt (7-1), the flange (7) is connected with the propeller (5) through a propeller fastening bolt (5-1), a lock pin (4) is arranged inside the guide sleeve (2), an injection type oil cylinder (3) is arranged at the center of the lock pin (4), and the lead screw (8) is connected with the lock pin (4) in a screwing mode through corresponding thread empty threads arranged at the top of the lock pin (4).

2. The wind wheel locking device of the wind generating set according to claim 1, characterized in that three worms (9) adapted to the screw rod (8) are arranged on the outer side of the screw rod (8), the three worms (9) are distributed in an array, the center of the array is located on the center shaft of the screw rod (8), gears (10) are fixedly connected to both ends of the worms (9), two adjacent gears (10) are meshed with each other through snap teeth, both ends of the worms (9) penetrate through the shell of the propeller (5) and are rotatably connected to the propeller (5) through bearing sleeves, and one end of the worm (9) is rotatably connected to the joint (6) through threads.

3. A wind turbine generator system rotor locking device according to claim 2, characterised in that: the connector is characterized in that an annular groove (11) is formed in the connector (6), the annular groove (11) is matched with a manual screwing tool, a blind groove (12) is formed in the tail end of the connector (6), and the blind groove (12) is matched with an electric screwing tool.

4. The wind turbine locking device of claim 1, wherein: the pressure injection type oil cylinder (3) is communicated with an oil duct in the wind driven generator.

5. The wind turbine locking device of claim 1, wherein: the propeller fastening bolts (5-1) and the flange fastening bolts (7-1) are arranged in an even number and are in an array distribution structure.

6. The wind turbine locking device of claim 1, wherein: the middle shafts of the base (1), the guide sleeve (2), the pressure injection type oil cylinder (3), the lock pin (4) and the screw rod (8) are overlapped.