CN215486366U

CN215486366U - Impeller locking mechanism for wind generating set

Info

Publication number: CN215486366U
Application number: CN202121821205.8U
Authority: CN
Inventors: 周伟光; 吴迪
Original assignee: Avic Baian New Energy Power Co ltd
Current assignee: Avic Baian New Energy Power Co ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2022-01-11
Anticipated expiration: 2031-08-05

Abstract

The utility model discloses an impeller locking mechanism for a wind generating set, which comprises an engine set body, wherein a cavity is arranged in the engine set body, a motor is fixedly connected in the cavity, a clamping mechanism is arranged in the engine set body, a groove is arranged on the engine set body, an impeller shaft is rotatably connected to the inner wall of the groove, two limiting plates are arranged in the groove, and fixing mechanisms are arranged in the two limiting plates. The impeller clamping device is reasonable in structure, and can clamp and limit the impeller through the clamping mechanism, so that the safety of maintenance workers is guaranteed; the limiting plate can be replaced through the fixing mechanism, and the limiting plate is guaranteed to be normal to the locking function of the impeller.

Description

Impeller locking mechanism for wind generating set

Technical Field

The utility model relates to the technical field of wind driven generators, in particular to an impeller locking mechanism for a wind driven generator set.

Background

The wind power generator is an electric power device which converts wind energy into mechanical work, and the mechanical work drives a rotor to rotate so as to finally output alternating current.

When the fan fails or maintenance personnel need to enter the engine room or the hub for patrol, the impeller of the fan firstly retracts, and when the impeller basically stops rotating, the impeller needs to be locked by the impeller locking mechanism so as to ensure the safety of the maintenance personnel; in the process of locking the impeller, the limiting plates are in contact with the impeller to cause abrasion of the limiting plates, and the locking function of the impeller is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides an impeller locking mechanism for a wind generating set, which can clamp and limit an impeller through a clamping mechanism to ensure the safety of maintenance workers; the limiting plate can be replaced through the fixing mechanism, and the limiting plate is guaranteed to be normal to the locking function of the impeller.

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

the utility model provides an impeller locking mechanical system for wind generating set, includes the engine block body, this internal cavity that is equipped with of engine block, fixedly connected with motor in the cavity, this internal fixture that is equipped with of engine block, be equipped with the recess on the engine block body, the inner wall of recess rotates and is connected with the impeller shaft, be equipped with two limiting plates in the recess, two all be equipped with fixed establishment in the limiting plate.

Preferably, the clamping mechanism comprises a transmission rod fixedly connected with the output end of the motor, the transmission rod is rotatably connected with the engine unit body, the outer wall of the transmission rod is fixedly connected with two driving wheels, two rotating cavities are arranged in the engine unit body, driven wheels are arranged in the two rotating cavities, the two driving wheels and the outer wall of the driven wheels are respectively sleeved with a conveyor belt, the two driven wheels are respectively and fixedly connected with first threaded rods, the two first threaded rods respectively penetrate through the engine unit body and are rotatably connected with the engine unit body, two sliding cavities are arranged in the engine unit body, moving plates are arranged in the two sliding cavities, the two first threaded rods respectively penetrate through the moving plates and are in threaded connection with the moving plates, the two moving plates are fixedly connected with two positioning rods, and the four positioning rods respectively penetrate through the engine unit body and are in sliding connection with the engine unit body; the impeller can be clamped and limited through the clamping mechanism, and the safety of maintenance workers is guaranteed.

Preferably, the fixing mechanism comprises two first limiting grooves formed in the limiting plate, the two locating rods are respectively embedded into the first limiting grooves, the limiting plate is rotatably connected with a second threaded rod, one side of the second threaded rod is fixedly connected with a handle, the outer wall of the second threaded rod is sleeved with two L-shaped rods in threaded connection with the second threaded rod, the two L-shaped rods penetrate through the limiting plate and are in sliding connection with the limiting plate, the two locating rods are respectively provided with a second limiting groove, and the two L-shaped rods are respectively embedded into the second limiting grooves; the limiting plate can be replaced through the fixing mechanism, and the limiting plate is guaranteed to be normal to the locking function of the impeller.

Preferably, the two first threaded rods have opposite thread directions.

Preferably, a through hole penetrates through the moving plate, and an external thread and an internal thread which are matched with each other are respectively arranged on the outer wall of the first threaded rod and the inner wall of the through hole.

Preferably, the outer wall of the handle is sleeved with a protective sleeve, and the protective sleeve is made of rubber; giving people a comfortable feeling.

Compared with the prior art, the utility model has the beneficial effects that:

1. the motor is started, the output end of the motor drives the transmission rod, the driving wheel, the conveying belt, the driven wheel and the first threaded rod to rotate, the movable plate, the positioning rod and the limiting plates on the two sides move relatively, the impeller shaft can be limited until the limiting plates on the two sides abut against the impeller shaft, and the impeller shaft is prevented from rotating to cause danger during maintenance.

2. When the limiting plate is worn and needs to be replaced, the handle is held to rotate, the second threaded rod is driven to rotate, the two L-shaped rods move rightwards until the L-shaped rods are separated from the second limiting groove, the limiting plate can be taken down to be replaced, and the operation is simple.

In conclusion, the impeller can be clamped and limited through the clamping mechanism, and the safety of maintenance workers is guaranteed; the limiting plate can be replaced through the fixing mechanism, and the limiting plate is guaranteed to be normal to the locking function of the impeller.

Drawings

Fig. 1 is a cross-sectional view of an impeller locking mechanism for a wind turbine generator system according to the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

fig. 3 is a partial structural schematic diagram of an impeller locking mechanism for a wind generating set according to the present invention.

In the figure: the impeller shaft comprises an engine unit body 1, a motor 2, a transmission rod 3, a driving wheel 4, a conveying belt 5, a driven wheel 6, a first threaded rod 7, a sliding cavity 8, a moving plate 9, a positioning rod 10, a limiting plate 11, a first limiting groove 12, a second threaded rod 13, a handle 14, an L-shaped rod 15, a second limiting groove 16 and an impeller shaft 17.

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.

Referring to fig. 1-3, an impeller locking mechanism for a wind generating set comprises an engine set body 1, a cavity is arranged in the engine set body 1, a motor 2 is fixedly connected in the cavity, a clamping mechanism is arranged in the engine set body 1, the clamping mechanism comprises a transmission rod 3 fixedly connected with the output end of the motor 2, the transmission rod 3 is rotatably connected with the engine set body 1, two driving wheels 4 are fixedly connected with the outer wall of the transmission rod 3, two rotating cavities are arranged in the engine set body 1, driven wheels 6 are arranged in the two rotating cavities, a conveyor belt 5 is respectively sleeved on the two driving wheels 4 and the outer wall of the driven wheel 6, first threaded rods 7 are fixedly connected with the two driven wheels 6, the thread directions of the two first threaded rods 7 are opposite, and moving plates 9 on two sides move relatively or oppositely through the opposite thread directions of the first threaded rods 7, facilitating subsequent limiting.

Two first threaded rods 7 run through engine unit body 1 respectively and rotate rather than being connected, be equipped with two slip chambeies 8 in the engine unit body 1, all be equipped with movable plate 9 in two slip chambeies 8, two first threaded rods 7 run through movable plate 9 respectively and rather than threaded connection, run through on the movable plate 9 and be equipped with the through-hole, the outer wall of first threaded rod 7 and the inner wall of through-hole are equipped with matched with external screw thread and internal thread respectively, two equal fixedly connected with locating levers 10 of two movable plates 9, four locating levers 10 all run through engine unit body 1 and rather than sliding connection.

Be equipped with the recess on the engine group body 1, the inner wall of recess is rotated and is connected with impeller shaft 17, be equipped with two limiting plates 11 in the recess, all be equipped with fixed establishment in two limiting plates 11, fixed establishment is including setting up two first spacing grooves 12 on limiting plate 11, two locating levers 10 imbed respectively and set up in the first spacing groove 12, limiting plate 11 rotates and is connected with second threaded rod 13, one side fixedly connected with handle 14 of second threaded rod 13, the outer wall cover of handle 14 is equipped with the one deck protective sheath, the material of protective sheath is rubber, give other people the comfort, the outer wall cover of second threaded rod 13 is equipped with two L type poles 15 rather than threaded connection, two L type poles 15 all run through limiting plate 11 and rather than sliding connection, all be equipped with second spacing groove 16 on two locating levers 10, two L type poles 15 imbed respectively in the second spacing groove 16 sets up.

In the utility model, when the engine unit body 1 needs to be maintained, the motor 2 is started, the output end of the motor 2 drives the transmission rod 3, the driving wheel 4, the conveying belt 5, the driven wheel 6 and the first threaded rod 7 to rotate, so that the movable plates 9, the positioning rods 10 and the limiting plates 11 on two sides relatively move until the limiting plates 11 on two sides abut against the impeller shaft 17, and the impeller shaft 17 can be limited, thereby avoiding the danger caused by the rotation of the impeller shaft 17 during maintenance; when the limiting plate 11 is worn and needs to be replaced, the handle 14 is held to rotate, the second threaded rod 13 is driven to rotate, the two L-shaped rods 15 move rightwards until the L-shaped rods 15 are separated from the second limiting groove 16, the limiting plate 11 can be taken down to be replaced, and the operation is simple.

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 to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides an impeller locking mechanical system for wind generating set, includes engine block body (1), its characterized in that, be equipped with the cavity in engine block body (1), fixedly connected with motor (2) in the cavity, be equipped with fixture in engine block body (1), be equipped with the recess on engine block body (1), the inner wall of recess rotates and is connected with impeller shaft (17), be equipped with two limiting plates (11), two in the recess all be equipped with fixed establishment in limiting plate (11).

2. The impeller locking mechanism for the wind generating set according to claim 1, wherein the clamping mechanism comprises a transmission rod (3) fixedly connected with the output end of the motor (2), the transmission rod (3) is rotatably connected with the engine set body (1), the outer wall of the transmission rod (3) is fixedly connected with two driving wheels (4), two rotating cavities are arranged in the engine set body (1), driven wheels (6) are arranged in the two rotating cavities, the two driving wheels (4) and the outer wall of the driven wheel (6) are respectively sleeved with a conveying belt (5), the two driven wheels (6) are respectively and fixedly connected with first threaded rods (7), the two first threaded rods (7) respectively penetrate through the engine set body (1) and are rotatably connected with the engine set body, two sliding cavities (8) are arranged in the engine set body (1), two all be equipped with movable plate (9) in sliding chamber (8), two first threaded rod (7) run through movable plate (9) respectively and rather than threaded connection, two equal fixedly connected with two locating levers (10) of movable plate (9), four locating lever (10) all run through engine unit body (1) and rather than sliding connection.

3. The impeller locking mechanism for the wind generating set according to claim 2, characterized in that the fixing mechanism comprises two first limiting grooves (12) arranged on a limiting plate (11), two locating rods (10) are respectively embedded in the first limiting grooves (12), the limiting plate (11) is rotatably connected with a second threaded rod (13), a handle (14) is fixedly connected to one side of the second threaded rod (13), two L-shaped rods (15) in threaded connection with the second threaded rod are sleeved on the outer wall of the second threaded rod (13), the L-shaped rods (15) all penetrate through the limiting plate (11) and are in sliding connection with the limiting plate, two second limiting grooves (16) are arranged on the locating rods (10), and the L-shaped rods (15) are respectively embedded in the second limiting grooves (16).

4. The impeller locking mechanism for a wind generating set according to claim 2, characterized in that the two first threaded rods (7) are threaded in opposite directions.

5. The impeller locking mechanism for the wind generating set according to claim 2, characterized in that the moving plate (9) is provided with a through hole, and the outer wall of the first threaded rod (7) and the inner wall of the through hole are respectively provided with a matching external thread and an internal thread.

6. The impeller locking mechanism for the wind generating set is characterized in that a protective sleeve is sleeved on the outer wall of the handle (14), and the protective sleeve is made of rubber.