CN218761038U

CN218761038U - Brake device for wind power tower

Info

Publication number: CN218761038U
Application number: CN202223550570.7U
Authority: CN
Inventors: 韩向峰
Original assignee: Qingdao Jiaheng New Energy Equipment Co ltd
Current assignee: Qingdao Jiaheng New Energy Equipment Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-03-28
Anticipated expiration: 2032-12-27

Abstract

The utility model discloses a brake equipment for wind-powered electricity generation tower, including the locating rack, the round hole has been seted up in the positive fixedly connected with auxiliary frame of locating rack, auxiliary frame's front, and the inner wall of round hole is rotated through the bearing and is connected with the main shaft, and two friction rings of locking bolt fixedly connected with are passed through to the surface of main shaft. This brake equipment for wind-powered electricity generation tower, when needs brake to the wind-powered electricity generation flabellum, two pneumatic cylinders start, and drive two arc brake discs and the contact of the friction ring on main shaft surface, when the arc brake disc supports tight friction ring, two motors start, and drive fly leaf and bar picture peg decline through the lead screw, two bar picture pegs can run through the limiting plate and insert the spacing inslot, consequently, ensure the stability between arc brake disc and the friction ring, two arc brake discs reduce main shaft rotation speed gradually through frictional force, thereby play the braking effect, and arc brake disc and friction ring homoenergetic enough dismouting change, the flexibility is higher.

Description

Brake device for wind power tower

Technical Field

The utility model relates to a wind power generation technical field specifically is a brake equipment for wind-powered electricity generation tower.

Background

The wind power generator is an electric power device which converts wind energy into mechanical power, the mechanical power drives a rotor to rotate and finally outputs alternating current, the fan blades and the main shaft are mainly driven to rotate by wind power, so that the mechanical power generated by the rotation of the main shaft is converted into electric energy, however, when the wind power is too large, the fan blades and the main shaft are driven to rotate too fast, the temperature of a coil in the generator is rapidly increased, the coil is burnt, and the main shaft is braked to limit speed;

through the retrieval, chinese patent network discloses a distributed wind power generator (application number: 202022448370.5) that possesses braking function, the utility model discloses an output of cylinder 5 drives round pin axle one 6 and promotes to the inboard, then drives pendulum rod 7 and moves to the inboard, pendulum rod 7 drives round pin axle two 9 rebound through pulley 8 of bottom, round pin axle two 9 drives connecting block 10 and limit shift lever 11 rebound, connecting block 10 drives brake tile 12 rebound, make the top of brake tile 12 closely paste tight column 3, increase with the area of contact of column 3, make its rotational speed reduce to stop rotatory, cause to reach the effect that can brake fast, nevertheless this application still has certain defect in the in-service use, for example:

drive the pendulum rod through the cylinder in this application, connecting block and limit move the pole rebound, make the brake tile and the rotary column surface contact and support tightly, reduce the speed of rotary column with frictional force, thereby play the brake effect, but be fixed connection between brake tile and the connecting block, the brake tile can lead to its wearing and tearing serious after long-time friction, thereby reduce the brake effect, the brake shoe piece in this application can't be changed, the brake effect that leads to the rotary column can be more and more poor after long-time, and can drive the rotary column and produce certain vibrations among the flabellum rotation process, because the cylinder is not direct action in the brake tile, consequently vibrations can lead to middle transmission structure to appear becoming flexible, lead to brake tile and rotary column surface to produce certain clearance, can restrict the brake tile and hug closely with the rotary column surface all the time without any structure, thereby directly influenced the brake effect, thereby relatively poor to aerogenerator's protection effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a brake equipment for wind-powered electricity generation tower to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a braking device for a wind power tower comprises a positioning frame, wherein an auxiliary frame is fixedly connected to the front side of the positioning frame, a round hole is formed in the front side of the auxiliary frame, the inner wall of the round hole is rotatably connected with a main shaft through a bearing, the surface of the main shaft is fixedly connected with two friction rings through a locking bolt, and the left side and the right side of the positioning frame are fixedly connected with braking assemblies;

the brake subassembly includes the pneumatic cylinder, the equal fixedly connected with arc mounting panel of output of two pneumatic cylinders, the opposite face of two arc mounting panels all is through construction bolt fixedly connected with arc brake disc, and the position of arc brake disc is corresponding with the position of friction ring, the fixed surface of two pneumatic cylinder output shafts is connected with the limiting plate, the bar jack has been seted up to the upper surface of limiting plate, the inner wall fixedly connected with locating plate of locating rack, two alignment jig of last fixed surface of locating plate, the equal fixedly connected with motor of upper surface of two alignment jig, the equal sliding connection of inner wall of two alignment jig has the fly leaf, the equal fixedly connected with bar picture peg of lower surface of two fly leaves, two spacing grooves have been seted up with the corresponding position of two bar picture pegs to the interior diapire of locating rack.

Preferably, the surface of the friction ring is provided with two round holes matched with the locking bolts, and the surface of the main shaft is provided with four thread grooves matched with the locking bolts.

Preferably, two the back of the body of arc brake disc all sets up four screw with construction bolt looks adaptation, and bar picture peg and bar jack looks adaptation.

Preferably, the upper surface of locating plate is seted up two bar holes with bar picture peg looks adaptation, and the upper surface fixed connection of locating plate has cooling module.

Preferably, the cooling assembly comprises a H-shaped frame, and the upper surface of the H-shaped frame is fixedly connected with a water tank.

Preferably, the lower surface of the water tank is communicated with a drain pipe, the surface of the drain pipe is provided with an electromagnetic valve, and the bottom end of the drain pipe is communicated with a spray head.

Preferably, the upper surface of the positioning plate is provided with a through hole matched with the spray head, and the position of the spray head corresponds to the position of the spindle.

Advantageous effects

The utility model provides a brake equipment for wind-powered electricity generation tower possesses following beneficial effect:

1. this brake equipment for wind-powered electricity generation tower, when needs brake to the wind-powered electricity generation flabellum, two pneumatic cylinders start, and drive two arc brake discs and the contact of the friction ring on main shaft surface, when the arc brake disc supports tight friction ring, two motors start, and drive fly leaf and bar picture peg decline through the lead screw, two bar picture pegs can run through the limiting plate and insert the spacing inslot, consequently, ensure the stability between arc brake disc and the friction ring, two arc brake discs reduce main shaft rotation speed gradually through frictional force, thereby play the braking effect, and arc brake disc and friction ring homoenergetic enough dismouting change, the flexibility is higher.

2. This brake equipment for wind-powered electricity generation tower, at the main shaft braking in-process, the solenoid valve is opened to in carrying the water in the water tank to the shower nozzle, spout to the main shaft surface through the shower nozzle, with this heat that reduces the friction production between arc brake disc and the friction ring, reduce the degree of wear of arc brake disc and friction ring, thereby prolonged this brake equipment's life.

Drawings

FIG. 1 is a schematic view of a partial three-dimensional structure of the present invention;

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

fig. 3 is a schematic view of the front cut structure of the utility model.

In the figure: the device comprises a positioning frame 1, an auxiliary frame 2, a main shaft 3, a locking bolt 4, a friction ring 5, a hydraulic cylinder 6, an arc-shaped mounting plate 7, a mounting bolt 8, an arc-shaped brake disc 9, a limiting plate 10, a positioning plate 11, an adjusting frame 12, a motor 13, a movable plate 14, a strip-shaped inserting plate 15, a I-shaped frame 16, a water tank 17, a water discharge pipe 18, an electromagnetic valve 19 and a spray head 20.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a brake device for a wind power tower comprises a positioning frame 1, wherein the front of the positioning frame 1 is fixedly connected with an auxiliary frame 2, the front of the auxiliary frame 2 is provided with a round hole, the inner wall of the round hole is rotatably connected with a main shaft 3 through a bearing, the surface of the main shaft 3 is fixedly connected with two friction rings 5 through locking bolts 4, the surface of each friction ring 5 is provided with two round holes matched with the locking bolts 4, the surface of the main shaft 3 is provided with four thread grooves matched with the locking bolts 4, and the left side and the right side of the positioning frame 1 are both fixedly connected with brake components;

the brake subassembly includes pneumatic cylinder 6, the equal fixedly connected with arc mounting panel 7 of output of two pneumatic cylinders 6, the opposite face of two arc mounting panels 7 is all through 8 fixedly connected with arc brake discs 9 of mounting bolt, four screws with 8 looks adaptations of mounting bolt are all seted up to the back of the body face of two arc brake discs 9, and the position of arc brake discs 9 is corresponding with the position of friction ring 5, the fixed surface of two pneumatic cylinder 6 output shafts is connected with limiting plate 10, the bar jack has been seted up to the upper surface of limiting plate 10, the inner wall fixedly connected with locating plate 11 of locating rack 1, the upper surface fixedly connected with two alignment brackets 12 of locating plate 11, the equal fixedly connected with motor 13 of upper surface of two alignment brackets 12, the output fixedly connected with lead screw of motor, the equal sliding connection of inner wall of two alignment brackets 12 has fly leaf 14, two fly leaves are respectively with two lead screw threaded connection, the equal fixedly connected with bar picture peg 15 of the lower surface of two fly leaves 14, and bar picture peg 15 and bar jack looks adaptation, two bar holes with bar picture peg 15 looks adaptations are seted up to the upper surface of locating plate 11, two spacing grooves have been seted up to the corresponding position of the interior diapire of locating rack 1 and two bar picture peg 15.

Referring to fig. 1 and fig. 2 and fig. 3, when the wind power generation fan blade needs to be braked, two hydraulic cylinders 6 are started, and two arc-shaped brake disks 9 are driven to be close to a friction ring 5 until the surfaces of the two arc-shaped brake disks are tightly abutted to the friction ring 5, at the moment, two motors 13 are started, and a movable plate 14 and a bar-shaped insertion plate 15 are driven to descend through a lead screw, the bar-shaped insertion plate 15 penetrates through a limiting plate 10 and is inserted into a limiting groove of the inner bottom wall of a positioning frame 1, so that the arc-shaped brake disks 9 are always in contact with the friction ring 5, the arc-shaped brake disks 9 cannot be separated from the friction ring 5 due to vibration, the stability of the arc-shaped brake disks 9 is improved, the two arc-shaped brake disks 9 gradually reduce the rotation speed of a main shaft 3 through friction force, a certain braking effect is achieved, and the protection effect on a wind power generator is good.

In addition, arc brake disc 9 and friction ring 5 all can carry out the dismouting through construction bolt 8 and locking bolt 4, are convenient for change the processing when its wearing and tearing are more serious, and the flexibility is higher.

The upper surface fixedly connected with cooling module of locating plate 11, cooling module include worker's shape frame 16, and the last fixed surface of worker's shape frame 16 is connected with water tank 17, and the lower surface intercommunication of water tank 17 has drain pipe 18, and the surface mounting of drain pipe 18 has solenoid valve 19, and the bottom intercommunication of drain pipe 18 has shower nozzle 20, and the through-hole with shower nozzle 20 looks adaptation is seted up to the upper surface of locating plate 11, and the position of shower nozzle 20 is corresponding with the position of main shaft 3.

Referring to fig. 2, when the spindle 3 is performing a braking operation, the solenoid valve 19 is opened, so that water in the water tank 17 enters the spray head 20 through the drain pipe 18 and is sprayed to the surface of the friction ring 5 on the spindle 3 through the spray head 20, thereby reducing the amount of friction heat generated by the friction ring 5 and the arc-shaped brake disc 9, reducing the abrasion of the arc-shaped brake disc 9 and the friction ring 5, and prolonging the service life of the braking device.

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

Claims

1. The utility model provides a brake equipment for wind-powered electricity generation tower, includes locating rack (1), its characterized in that: the front side of the positioning frame (1) is fixedly connected with an auxiliary frame (2), the front side of the auxiliary frame (2) is provided with a round hole, the inner wall of the round hole is rotatably connected with a main shaft (3) through a bearing, the surface of the main shaft (3) is fixedly connected with two friction rings (5) through a locking bolt (4), and the left side and the right side of the positioning frame (1) are both fixedly connected with brake components;

the brake subassembly includes pneumatic cylinder (6), the equal fixedly connected with arc mounting panel (7) of output of two pneumatic cylinders (6), the opposite face of two arc mounting panels (7) is all through construction bolt (8) fixedly connected with arc brake disc (9), and the position of arc brake disc (9) is corresponding with the position of friction ring (5), the fixed surface of two pneumatic cylinder (6) output shafts is connected with limiting plate (10), the bar jack has been seted up to the upper surface of limiting plate (10), the inner wall fixedly connected with locating plate (11) of locating rack (1), two alignment jig (12) of last fixed surface fixedly connected with of locating plate (11), the equal fixedly connected with motor (13) in upper surface of two alignment jig (12), the output fixedly connected with lead screw of motor, the equal sliding connection in inner wall of two alignment jig (12) has fly leaf (14), two fly leaf respectively with two lead screw threaded connection, the equal fixedly connected with bar picture peg (15) of lower surface of two fly leaf (14), two limiting grooves have been seted up with the corresponding position of two bar picture pegs (15) to the inner diapire of locating rack (1).

2. The braking device for the wind power tower as claimed in claim 1, wherein: the surface of the friction ring (5) is provided with two round holes matched with the locking bolts (4), and the surface of the main shaft (3) is provided with four thread grooves matched with the locking bolts (4).

3. The braking device for the wind power tower as claimed in claim 1, wherein: two the back of the body of arc brake disc (9) all sets up four screw with construction bolt (8) looks adaptation, and bar picture peg (15) and bar jack looks adaptation.

4. The braking device for the wind power tower as claimed in claim 1, wherein: two strip-shaped holes matched with the strip-shaped inserting plates (15) are formed in the upper surface of the positioning plate (11), and the upper surface of the positioning plate (11) is fixedly connected with a cooling assembly.

5. The brake device for the wind power tower as claimed in claim 4, wherein: the cooling assembly comprises an I-shaped frame (16), and a water tank (17) is fixedly connected to the upper surface of the I-shaped frame (16).

6. The brake device for the wind power tower according to claim 5, wherein: the lower surface of the water tank (17) is communicated with a drain pipe (18), the surface of the drain pipe (18) is provided with an electromagnetic valve (19), and the bottom end of the drain pipe (18) is communicated with a spray head (20).

7. The braking device for the wind power tower as claimed in claim 1, wherein: the upper surface of the positioning plate (11) is provided with a through hole matched with the spray head (20), and the position of the spray head (20) corresponds to the position of the main shaft (3).