CN218624496U

CN218624496U - Speed-limiting control device of wind driven generator

Info

Publication number: CN218624496U
Application number: CN202223125750.0U
Authority: CN
Inventors: 高泽芃; 邹银; 张子扬; 李德原; 张璐; 班雯宣; 左京京; 苗钊源; 贾明; 贾虎
Original assignee: Handan College
Current assignee: Handan College
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-03-14
Anticipated expiration: 2032-11-24

Abstract

The utility model provides a aerogenerator speed limit controlling means relates to wind power generation technical field, which comprises a housin, the internally mounted of casing has the generator, the pivot is installed to the input of generator, the pivot is kept away from the one end of generator and is installed a plurality of blades, be provided with the speed limit structure who is used for the countershaft speed reduction in the casing, the speed limit structure is including installing in the mounting panel in the pivot outside and the supporting shoe that is located the pivot top, through setting up the speed limit structure, utilizes hydraulic cylinder to drive the brake block and extrudees the brake disc gradually, through the frictional force that increases gradually to the brake disc for the blade slows down gradually, uses the back for a long time at the speed limit structure, through the operation mouth, can maintain casing inside, at this moment, can dismantle parts such as two half brake discs, brake block, thereby reached the effect of being convenient for maintaining, help guaranteeing that this aerogenerator speed limit controlling means does not lose efficacy.

Description

Speed-limiting control device of wind driven generator

Technical Field

The utility model relates to a wind power generation technical field especially relates to a aerogenerator speed limit controlling means.

Background

Aerogenerator is the electrical equipment who converts wind energy into mechanical work, and mechanical work drives the rotor rotation, final output alternating current, and wherein, aerogenerator is at the pivoted in-process, and the rotational speed of oar blade can be along with the increase of wind-force and grow, and when wind-force was too big, paddle piece rotational speed was too fast, leads to the generator to transship, at this moment, can use.

The existing wind driven generator speed limiting control device:

the comparison document CN211288526U discloses a aerogenerator's speed limit, brake equipment, "the utility model discloses an aerogenerator's speed limit, brake equipment relates to wind power generation technical field, specifically is an aerogenerator's speed limit, brake equipment, which comprises a housin, the inside fixed mounting of casing has the generator, the pivot has been cup jointed in the inside activity of generator, the fixed acceleration rate case that has cup jointed in left side of pivot. This aerogenerator's speed limit, brake equipment, drive the brake belt upward movement through driving motor, make the brake disc contract inwards and contact with the brake block and brake, utilize the brake block to contact with the brake block earlier, slow down the brake block, then the brake disc continues inwards to contract, make wear pad and brake block contact and brake, adopt the mode of slowing down earlier and stopping to brake, the rotational speed that can make the pivot has a gradual change process, prevent that the paddle piece from damaging because torsion is too big, reduce the loss of wear pad simultaneously, the life of wear pad has been improved ".

However, the wind driven generator speed limiting control device is positioned in the shell, and the parts in the wind driven generator speed limiting control device are as follows: the brake block, the brake disc and the like are high-consumption parts, in order to ensure that the wind driven generator speed limiting control device does not fail, the high-consumption parts such as the brake block, the brake disc and the like need to be frequently replaced, and the wind driven generator speed limiting control device is positioned in the shell and is inconvenient to maintain;

therefore the utility model provides a aerogenerator speed limit controlling means.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a aerogenerator speed limit controlling means in order to solve the inconvenient shortcoming of maintaining that exists among the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a aerogenerator speed limit control device, includes the casing, the internally mounted of casing has the generator, the pivot is installed to the input of generator, the pivot is kept away from the one end of generator and is installed a plurality of blades, be provided with the speed limit structure that is used for the countershaft speed reduction in the casing, the speed limit structure is including installing in the mounting panel in the pivot outside and the supporting shoe that is located the pivot top, detachable two semi-disc brakes of installing on the mounting panel, two detachable connection between the semi-disc brakes, install hydraulic cylinder on the supporting shoe, the stripper plate is installed to hydraulic cylinder's flexible end, the detachable brake block of installing of stripper plate, the mounting groove has been seted up on the brake block, the third bolt is installed through the mounting groove to the brake block, the brake block is connected with the stripper plate through the third bolt, the operation mouth has been seted up on the casing.

As a preferred embodiment, the mounting plate is provided with a first bolt, the first bolt is provided with a first nut, and the mounting plate is connected with the two half brake discs through the first bolt and the first nut.

The technical effect of adopting the further scheme is as follows: through setting up first bolt and first nut, be convenient for dismantle the change with two half brake discs.

In a preferred embodiment, a second bolt is mounted on the two half brake discs, and a second nut is connected to the second bolt in a threaded manner.

The technical effect of adopting the further scheme is as follows: through setting up second bolt and second nut, be convenient for connect or separate two half brake discs.

In a preferred embodiment, a support frame is mounted inside the housing, and the support block is mounted on the support frame.

The technical effect of adopting the further scheme is as follows: through setting up the support frame for support the supporting shoe.

As a preferred embodiment, the casing is provided with a covering opening through the operation opening, and the casing is detachably provided with a cover plate through the covering opening.

The technical effect of adopting the further scheme is as follows: through setting up covering mouth and apron, be convenient for cover the operation mouth.

In a preferred embodiment, a fourth bolt is mounted on the cover plate, and the cover plate is connected with the housing through the fourth bolt.

The technical effect of adopting the further scheme is as follows: through setting up the fourth bolt, be convenient for dismantle the apron installation.

In a preferred embodiment, a sealing plate is mounted on the cover plate, and the cover plate is connected with the housing through the sealing plate.

The technical effect of adopting the further scheme is as follows: through setting up the gasket, be convenient for seal the clearance between apron and the casing.

In a preferred embodiment, two placement rods are mounted on the housing.

The technical effect of adopting the further scheme is as follows: through setting up and placing the pole for place the cover plate.

Compared with the prior art, the utility model has the advantages and positive effects that,

the speed limiting structure is arranged, the brake disc is gradually extruded by the brake sheet driven by the hydraulic oil cylinder, the friction force is gradually increased on the brake disc, so that the blades are gradually decelerated, the interior of the shell can be maintained through the operation port after the speed limiting structure is used for a long time, and at the moment, parts such as the two half brake discs, the brake sheet and the like can be disassembled, so that the effect of facilitating maintenance is achieved, and the wind driven generator speed limiting control device is favorably prevented from losing efficacy;

through setting up the apron for cover the operation mouth, avoid dust, rainwater etc. to get into in the casing as far as possible, and utilize two to place the pole and place the apron, reached and overhauld the casing through the operation mouth in the high altitude when, the effect that the apron was convenient for to place.

Drawings

Fig. 1 is a schematic view of a speed limiting control device of a wind driven generator according to the present invention for showing the overall structure of the device;

fig. 2 is a schematic cross-sectional view of a wind turbine speed limiting control device, which is a display housing structure according to the present invention;

FIG. 3 is an enlarged view of the position A in FIG. 2 of the speed limiting control device of the wind driven generator according to the present invention;

fig. 4 is a schematic structural sectional view of a wind turbine speed limiting control device, which is a display operation opening and a covering opening provided by the present invention;

fig. 5 is a schematic view of a speed limiting control device of a wind driven generator, which is a structure of a display sealing sheet.

Illustration of the drawings:

1. a housing; 2. a generator; 3. a rotating shaft;

4. a speed limiting structure; 401. mounting a plate; 402. a semi-brake disc; 403. a first bolt; 404. a first nut; 405. a second bolt; 406. a second nut; 407. a support frame; 408. a support block; 409. a hydraulic cylinder; 410. a pressing plate; 411. a brake pad; 412. a third bolt; 413. mounting grooves;

5. an operation port; 6. covering the opening; 7. a cover plate; 8. a fourth bolt; 9. sealing the sheet; 10. a blade; 11. the rod is placed.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

As shown in fig. 1-5, the utility model provides a technical solution: the utility model provides a aerogenerator speed limit controlling means, includes casing 1, and the internally mounted of casing 1 has generator 2, and pivot 3 is installed to generator 2's input, and a plurality of blades 10 are installed to the one end that generator 2 was kept away from to pivot 3, drives blade 10 through external wind-force and rotates to driven blade 10 and rotated, and then trun into the electric energy with mechanical energy by generator 2.

Be provided with the speed limiting structure 4 that is used for reducing speed to pivot 3 in the casing 1, speed limiting structure 4 is including installing in the mounting panel 401 in the pivot 3 outside and the supporting shoe 408 that is located pivot 3 top, and two half brake discs 402 are installed to the detachable on mounting panel 401, are convenient for dismantle the change to two half brake discs 402.

Two half brake discs 402 are detachably connected, and the two half brake discs 402 form a finished brake disc, so that the two half brake discs 402 can be conveniently detached and replaced from the outer side of the rotating shaft 3 when needing to be replaced.

The supporting block 408 is provided with a hydraulic oil cylinder 409, the telescopic end of the hydraulic oil cylinder 409 is provided with a squeezing plate 410, the squeezing plate 410 is detachably provided with a brake pad 411, and the brake pad 411 can be replaced.

The brake block 411 is provided with a mounting groove 413, the brake block 411 is provided with a third bolt 412 through the mounting groove 413, the brake block 411 is connected with the extrusion plate 410 through the third bolt 412, the third bolt 412 is convenient for mounting and dismounting the brake block 411, and meanwhile, the third bolt 412 is completely immersed in the mounting groove 413, so that the third bolt 412 and the half brake disc 402 are prevented from being scratched to the greatest extent, and the damage of the half brake disc 402 is accelerated.

An operation opening 5 is formed in the shell 1, and the operation opening 5 is convenient for overhauling the interior of the shell 1.

Above-mentioned technical scheme is particularly, overhauls casing 1 inside through operation mouth 5, during this period, if discovery half brake disc 402 wearing and tearing are serious, brake block 411 wearing and tearing are serious, can dismantle the change with two half brake discs 402 and brake block 411 this moment, through this technical scheme, has solved and has had the inconvenient problem of maintaining among the prior art, has realized being convenient for to the effect of high consumption part change.

Further, as shown in fig. 3: the mounting plate 401 is provided with a first bolt 403, the first bolt 403 is provided with a first nut 404, and the mounting plate 401 is connected with the two half brake discs 402 through the first bolt 403 and the first nut 404, which has the advantages that: first bolts 403 and first nuts 404 facilitate the assembly and disassembly of the two half discs 402 and the mounting plate 401.

Further, as shown in fig. 2: the two half brake discs 402 are provided with second bolts 405, and the second bolts 405 are in threaded connection with second nuts 406, which has the advantages that: the second bolt 405 and the second nut 406 facilitate the mounting and dismounting of the two half brake discs 402 from the outside of the rotor shaft 3.

Further, as shown in fig. 1: the internally mounted of casing 1 has support frame 407, and supporting shoe 408 installs on support frame 407, and this technical scheme's advantage is: the support frame 407 is used to support the support block 408.

Further, as shown in fig. 4: casing 1 has seted up through operation mouth 5 and has covered mouth 6, and casing 1 is detachable to install apron 7 through covering mouth 6, and this technical scheme's advantage is: the cover 7 is used to cover the operation opening 5 and to protect against rain and dust.

Further, as shown in fig. 4: install fourth bolt 8 on apron 7, apron 7 is connected with casing 1 through fourth bolt 8, and this technical scheme's advantage is: the fourth bolt 8 is convenient for disassembling and assembling the cover plate 7.

Further, as shown in fig. 5: install the gasket 9 on the apron 7, the apron 7 is connected with casing 1 through gasket 9, and this technical scheme's advantage is: the sealing plate 9 is used to seal the gap between the housing 1 and the cover plate 7.

Further, as shown in fig. 1: two placing rods 11 are arranged on the shell 1, and the technical scheme has the advantages that: the two placing rods 11 facilitate the placing of the cover plate 7 at a high level, which facilitates the placing of the cover plate 7 during maintenance of the housing 1.

The working principle is as follows:

as shown in fig. 1-5:

according to the speed-limiting control device of the wind driven generator, the speed-limiting structure 4 in the shell 1 is overhauled through the operation port 5, after the two half brake discs 402 and the brake pad 411 are found to be seriously abraded, the two half brake discs 402 are separated from the mounting plate 401 through the first bolt 403 and the first nut 404, then the two half brake discs 402 are separated through the second bolt 405 and the second nut 406 and then taken out from the outer side of the rotating shaft 3, and therefore the effect of facilitating replacement of the two half brake discs 402 and the brake pad 411 is achieved.

This aerogenerator speed limit controlling means utilizes fourth bolt 8, fixes apron 7 on casing 1 for cover operation mouth 5, avoid the dust rainwater to get into casing 1 as far as possible, when needs overhaul in to casing 1, can dismantle apron 7 after place on placing pole 11, thereby reached when the maintenance person carries out high altitude maintenance, be convenient for carry out the effect of placing apron 7.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. A wind driven generator speed limiting control device comprises a shell (1), and is characterized in that a generator (2) is installed inside the shell (1), a rotating shaft (3) is installed at the input end of the generator (2), and a plurality of blades (10) are installed at one end, far away from the generator (2), of the rotating shaft (3);

a speed limiting structure (4) for reducing the speed of the rotating shaft (3) is arranged in the shell (1);

the speed limiting structure (4) comprises a mounting plate (401) arranged on the outer side of the rotating shaft (3) and a supporting block (408) located above the rotating shaft (3), wherein two half brake discs (402) are detachably mounted on the mounting plate (401), the two half brake discs (402) are detachably connected, a hydraulic oil cylinder (409) is mounted on the supporting block (408), an extrusion plate (410) is mounted at the telescopic end of the hydraulic oil cylinder (409), a brake pad (411) is detachably mounted on the extrusion plate (410), a mounting groove (413) is formed in the brake pad (411), a third bolt (412) is mounted on the brake pad (411) through the mounting groove (413), and the brake pad (411) is connected with the extrusion plate (410) through the third bolt (412);

an operation opening (5) is formed in the shell (1).

2. The wind driven generator speed limit control device according to claim 1, characterized in that: install first bolt (403) on mounting panel (401), install first nut (404) on first bolt (403), mounting panel (401) are connected with two half brake discs (402) through first bolt (403) and first nut (404).

3. The wind driven generator speed limiting control device according to claim 1, characterized in that: and second bolts (405) are arranged on the two half brake discs (402), and second nuts (406) are connected to the second bolts (405) in a threaded manner.

4. The wind driven generator speed limit control device according to claim 1, characterized in that: a supporting frame (407) is installed inside the shell (1), and the supporting block (408) is installed on the supporting frame (407).

5. The wind driven generator speed limiting control device according to claim 1, characterized in that: the cover opening (6) is arranged on the shell (1) through the operation opening (5), and the cover plate (7) is detachably arranged on the shell (1) through the cover opening (6).

6. The wind driven generator speed limit control device according to claim 5, characterized in that: the cover plate (7) is provided with a fourth bolt (8), and the cover plate (7) is connected with the shell (1) through the fourth bolt (8).

7. The wind driven generator speed limit control device according to claim 5, characterized in that: the cover plate (7) is provided with a sealing sheet (9), and the cover plate (7) is connected with the shell (1) through the sealing sheet (9).

8. The wind driven generator speed limiting control device according to claim 1, characterized in that: two placing rods (11) are arranged on the shell (1).