CN219034899U

CN219034899U - Braking structure of wind driven generator

Info

Publication number: CN219034899U
Application number: CN202223397102.0U
Authority: CN
Inventors: 张建民; 李超; 赵明
Original assignee: Zhongke Wind Power Tongliao Co ltd
Current assignee: Zhongke Wind Power Tongliao Co ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-05-16
Anticipated expiration: 2032-12-13

Abstract

The utility model relates to the technical field of wind power generation, in particular to a brake structure of a wind driven generator, which comprises a supporting seat, a fixed rod, a cabin, a rotor shaft, a brake box and a rotating blade, wherein the fixed rod is installed on the supporting seat, the cabin is installed on the fixed rod, the brake box is installed on one side wall surface of the cabin, the rotor shaft is installed in the cabin, one end of the rotor shaft penetrates through one side wall surface of the cabin and the brake box, and the rotating blade is installed at one end of the rotor shaft. The scheme is provided with a pair of brake structures, a pair of driving motors are driven when the brake is needed, the pair of driving motors drive a pair of brake clamping plates to synchronously move, the pair of brake clamping plates are symmetrically distributed, the forces generated on two sides of the rotor shaft during the brake are the same, the phenomenon of eccentric stress is avoided, a plurality of cooling fans in the brake process dissipate heat under the action of a plurality of rotating motors, and heat generated during the brake work is discharged.

Description

Braking structure of wind driven generator

Technical Field

The utility model relates to the technical field of wind power generation, in particular to a brake structure of a wind power generator.

Background

The utility model provides a wind-driven generator's brake equipment, specifically discloses a brake equipment including fixed baseplate, fixed baseplate's bottom surface fixed mounting has the installation slab, fixed baseplate's top surface fixed mounting has the support side arm, the spacing groove has been seted up to the side of support side arm, one side that the support side arm kept away from the spacing groove fixed mounting has the support diagonal bar, and the one end that the support diagonal bar kept away from the support side arm is fixed with fixed baseplate mutually, fixed baseplate's top surface's middle part fixed mounting has hydraulic electric cylinder, hydraulic electric cylinder's inside is equipped with output piston push rod, output piston push rod's top fixed mounting has the brake contact strip frame, the top surface bonding of brake contact strip frame has the brake contact pad, the buffer groove has been seted up to the top surface of brake contact pad, the left side and the right side of brake contact strip frame bottom all fixed mounting have the connection curb plate, the side fixed mounting of connection curb plate has spacing slide bar, connection curb plate and support side arm, spacing slide connection is in the inside of spacing groove, the bottom fixed mounting of connection curb plate front has the connection cross frame; the following problems are also present in this patent document: the braking measure is usually a braking mode of extruding the motor rotating shaft on one side, but the single side extrusion mode can generate lateral stress, so that the phenomenon that the generator rotating shaft is bent easily occurs, the service life of the wind driven generator is influenced, and the braking structure of the wind driven generator is designed.

Disclosure of Invention

In order to solve the problems, the utility model is realized by the following technical scheme: the utility model provides a wind-driven generator's brake structure, includes supporting seat, dead lever, cabin, rotor shaft, brake box and rotor blade, the dead lever is installed on the supporting seat, the cabin is installed on the dead lever, the brake box is installed a cabin lateral wall face, the rotor shaft is installed in the cabin just rotor shaft one end runs through a cabin lateral wall face and the brake box, rotor blade installs rotor shaft one end, install a pair of brake structure and a plurality of heat radiation structure in the brake box, one of them includes: the device comprises a fixed seat, a driving motor, a coupler, a screw rod, a threaded sleeve, a pair of telescopic rods and a brake clamping plate; the fixing base is installed the inside wall surface department of brake box, driving motor installs on the fixing base, the shaft coupling is installed driving motor drive end, the screw rod is installed on the shaft coupling, a pair of telescopic link is installed a fixing base lateral wall surface, the thread bush with screw rod screwed connection just the thread bush with a pair of telescopic link end is connected, the brake cardboard is installed a thread bush lateral wall surface.

Preferably, one of the plurality of heat dissipation structures includes: the cooling fan comprises a supporting frame, a filter screen, a rotating motor and a cooling fan;

the support frame is embedded in the lower wall surface of the brake box, the filter screen is installed in the support frame, the rotating motor is installed on the inner side wall surface of the support frame, and the cooling fan is installed on the driving end of the rotating motor.

Preferably, the outer surface of the engine room is sprayed with an anti-rust coating.

Preferably, a stabilizing frame is arranged in the supporting frame.

Preferably, the support seat is provided with three reinforcing rods.

Preferably, the rotor blade is bolted to the rotor shaft.

Advantageous effects

The utility model provides a brake structure of a wind driven generator, which has the following beneficial effects: the scheme is provided with a pair of brake structures, a pair of driving motors are driven when the brake is needed, the pair of driving motors drive a pair of brake clamping plates to synchronously move, the pair of brake clamping plates are symmetrically distributed, the forces generated on two sides of the rotor shaft during the brake are the same, the phenomenon of eccentric stress is avoided, a plurality of cooling fans in the brake process dissipate heat under the action of a plurality of rotating motors, and heat generated during the brake work is discharged.

Drawings

Fig. 1 is a schematic diagram of a front view of a brake structure of a wind turbine according to the present utility model.

FIG. 2 is a schematic diagram of the internal side view of a brake housing of the brake structure of the wind turbine according to the present utility model.

Fig. 3 is a schematic three-dimensional structure of a fixing seat of a brake structure of a wind driven generator according to the present utility model.

In the figure: 1. the support seat, 2, the dead lever, 3, cabin, 4, rotor shaft, 5, rotor blade, 6, brake box, 7, fixing base, 8, driving motor, 9, shaft coupling, 10, screw rod, 11, thread bush, 12, brake clamping plate, 13, telescopic link, 14, support frame, 15, filter screen, 16, rotor motor, 17, radiator fan.

Detailed Description

All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a wind-driven generator's brake structure, includes supporting seat 1, dead lever 2, cabin 3, rotor shaft 4, brake box 6 and rotor blade 5, the dead lever 2 is installed on the supporting seat 1, the cabin 3 is installed on the dead lever 2, the brake box 6 is installed a cabin 3 lateral wall face, rotor shaft 4 installs in the cabin 3 just rotor shaft 4 one end runs through a cabin 3 lateral wall face and brake box 6, rotor blade 5 installs rotor shaft 4 one end, install a pair of brake structure and a plurality of heat radiation structure in the brake box 6, one of them of a pair of brake structure includes: the device comprises a fixed seat 7, a driving motor 8, a coupler 9, a screw 10, a threaded sleeve 11, a pair of telescopic rods 13 and a brake clamping plate 12; the fixing seat 7 is installed on the inner side wall surface of the brake box 6, the driving motor 8 is installed on the fixing seat 7, the coupler 9 is installed on the driving end of the driving motor 8, the screw rod 10 is installed on the coupler 9, the pair of telescopic rods 13 are installed on one side wall surface of the fixing seat 7, the thread bush 11 is in spiral connection with the screw rod 10 and the thread bush 11 is connected with the telescopic ends of the pair of telescopic rods 13, and the brake clamping plate 12 is installed on one side wall surface of the thread bush 11.

When braking is needed, the rotor shaft 4 is driven by the rotating blades 5 to rotate in the engine room 3 under the action of natural wind, the pair of driving motors 8 in the braking box 6 are started, the pair of couplings 9 drive the pair of screws 10 to rotate under the action of the pair of driving motors 8, the pair of threaded sleeves 11 synchronously stretch out and draw back through the plurality of telescopic rods 13 under the rotation of the pair of screws 10 so as to move, and the pair of braking clamping plates 12 synchronously move under the action of the pair of screws 10 so as to contact and brake the rotor shaft 4.

In a specific implementation process, one of the plurality of heat dissipation structures includes: a support frame 14, a filter screen 15, a rotary motor 16 and a radiator fan 17;

the support frame 14 is embedded in the lower wall surface of the brake box 6, the filter screen 15 is installed in the support frame 14, the rotating motor 16 is installed on the inner side wall surface of the support frame 14, and the cooling fan 17 is installed on the driving end of the rotating motor 16;

it should be noted that, when the heat generated by braking is required to dissipate heat, a plurality of rotating motors 16 are started, and the plurality of rotating motors 16 drive a plurality of cooling fans 17 to rotate in a plurality of supporting frames 14 for heat dissipation, and the filter screen 15 isolates some impurities, so that the service life of the device is prolonged.

In a specific implementation process, further, an anti-rust coating is sprayed on the outer surface of the cabin 3.

It should be noted that the rust-proof coating increases the rust-proof performance of the nacelle 3 and increases the service life.

In a specific implementation process, a stabilizer is further disposed in the supporting frame 14.

It should be noted that, the stabilizer is installed on the inner side wall surface of the supporting frame 14 and is connected with the rotating motor 16, so as to ensure the stability of the rotating motor 16 during operation.

In the specific implementation process, further, the supporting seat 1 is provided with three reinforcing rods.

It should be noted that, three reinforcing rods are uniformly distributed on the supporting seat 1 and are connected with the fixing rod 2, so that the stability of the fixing rod 2 is increased.

In a specific implementation, further, the rotor blade 5 is bolted to the rotor shaft 4.

It should be noted that the bolting facilitates the mounting and dismounting of the rotor blade 5.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a wind-driven generator's brake structure, includes supporting seat, dead lever, cabin, rotor shaft, brake box and rotor blade, the dead lever is installed on the supporting seat, the cabin is installed on the dead lever, the brake box is installed a cabin lateral wall face, the rotor shaft is installed in the cabin just rotor shaft one end runs through a cabin lateral wall face and the brake box, rotor blade installs rotor shaft one end, install a pair of brake structure and a plurality of heat radiation structure in the brake box, one of them includes: the device comprises a fixed seat, a driving motor, a coupler, a screw rod, a threaded sleeve, a pair of telescopic rods and a brake clamping plate; the novel brake is characterized in that the fixing seat is arranged at the inner side wall surface of the brake box, the driving motor is arranged on the fixing seat, the coupler is arranged at the driving end of the driving motor, the screw is arranged on the coupler, the pair of telescopic rods are arranged on one side wall surface of the fixing seat, the threaded sleeve is in spiral connection with the screw, the threaded sleeve is connected with the telescopic ends of the pair of telescopic rods, and the brake clamping plate is arranged on one side wall surface of the threaded sleeve.

2. The brake structure of a wind turbine according to claim 1, wherein one of the plurality of heat dissipation structures comprises: the cooling fan comprises a supporting frame, a filter screen, a rotating motor and a cooling fan;

3. The brake structure of a wind turbine according to claim 1, wherein the nacelle outer surface is sprayed with a rust-resistant coating.

4. The brake structure of a wind driven generator according to claim 2, wherein a stabilizer is arranged in the supporting frame.

5. The brake structure of a wind power generator according to claim 1, wherein the support base is provided with three reinforcing bars.

6. The brake structure of a wind turbine according to claim 1, wherein the rotor blade is bolted to the rotor shaft.