CN217603223U

CN217603223U - Braking mechanism of wind driven generator

Info

Publication number: CN217603223U
Application number: CN202221643262.6U
Authority: CN
Inventors: 刘力超
Original assignee: Xinjiang Thinking Wind Power Technology Co ltd
Current assignee: Xinjiang Thinking Wind Power Technology Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-10-18
Anticipated expiration: 2032-06-29

Abstract

The utility model discloses a aerogenerator's arrestment mechanism, including the brake disc, friction braking piece and spacing braking piece, be provided with the friction braking piece that accessible friction realized braking on the brake disc, and be being provided with the multiunit slot of annular array on the edge of brake disc, the side of brake disc is provided with spacing braking piece, the mount table of spacing braking piece is close to the brake disc, the bottom of mount table is rotated and is connected with the rotor arm, the other end of rotor arm rotates and is connected with a string section of thick bamboo, it is connected with second hydraulic stretching jar to rotate on the mount table, the bottom and the rotor arm of second hydraulic stretching jar rotate and are connected, can drive the rotor arm through second hydraulic stretching jar like this and rotate, thereby make to hang a section of thick bamboo as to the ditch inslot, thereby form braking effect to the brake disc. The utility model has the characteristics of braking effect is fast, braking stability is strong, reduce the braking load, can be used to aerogenerator's braking.

Description

Braking mechanism of wind driven generator

Technical Field

The utility model relates to a aerogenerator technical field, specific arrestment mechanism of aerogenerator that says so.

Background

The wind power generator is an electric power device which converts wind energy into mechanical power, and the mechanical power drives a rotor to rotate so as to finally output alternating current. When the wind driven generator is stopped for maintenance and repair, the wind driven generator generally needs to be braked, most of the braking modes in the prior art are braking a brake disc installed on a low-speed shaft or a high-speed shaft in a friction braking mode, but the braking mode needs a brake shoe of the friction braking to gradually move towards the brake disc, so that the braking effect is slow, the braking is realized by single friction force, the braking stability is poor, the braking load is large, and the wind driven generator is easy to damage.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned weak point that exists among the prior art, the utility model aims at providing a braking effect is fast, braking stability is strong, reduce the arrestment mechanism of braking load.

The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: the utility model provides a aerogenerator's arrestment mechanism, including the brake disc, friction braking piece and spacing braking piece, be provided with the friction braking piece that accessible friction realized braking on the brake disc, and be annular array on the edge of brake disc and be provided with the multiunit slot, the side of brake disc is provided with spacing braking piece, spacing braking piece includes the second hydraulic stretching jar, the mount table, rotor arm and a string section of thick bamboo, the mount table is close to the brake disc, the bottom of mount table is rotated and is connected with the rotor arm, the other end of rotor arm rotates and is connected with a string section of thick bamboo, it is connected with the second hydraulic stretching jar to rotate on the mount table, the bottom and the rotor arm of second hydraulic stretching jar rotate and are connected, can drive the rotor arm through the second hydraulic stretching jar like this and rotate, thereby make to hang a section of thick bamboo as for the ditch inslot, thereby form braking effect to the brake disc.

In the above technical scheme, the friction brake member includes a brake housing, brake shoes and a first hydraulic telescopic cylinder, a housing cavity is provided on the brake housing, the top of the brake disc is located in the housing cavity, both sides of the brake disc located in the housing cavity are both slidably connected with the brake shoes, a first hydraulic telescopic cylinder is fixedly connected to the brake housing corresponding to each group of brake shoes, an outer cylinder of the first hydraulic telescopic cylinder is fixedly connected to a stabilizing frame, a piston rod of the first hydraulic telescopic cylinder is fixedly connected with the brake shoes, and in order to ensure stable installation of the first hydraulic telescopic cylinder, a stabilizing frame is fixedly connected to the brake housing corresponding to each group of first hydraulic telescopic cylinders, so that the first hydraulic telescopic cylinder can drive the brake shoes to move towards the brake disc, the brake disc is clamped by the two groups of brake shoes to achieve a friction braking effect, and further, two groups of sliding columns are fixedly connected to the outward facing surface of each group of brake shoes, sliding columns corresponding to each group of sliding columns are provided with sliding holes, and the sliding columns penetrate through the sliding holes in a one-to-one correspondence manner, thereby ensuring stable sliding of the brake shoes.

In the above technical scheme, mount table fixed connection is on braking housing, two sets of first rotor tables of bottom fixedly connected with of mount table, the rotor arm adopts two sets ofly, two sets of rotor arms are fixedly connected with axostylus axostyle between the same end, the axostylus axostyle rotates to be connected on two sets of first rotor tables, realize with this that the rotor arm can rotate around the turning point of axostylus axostyle, then rotate between the other end of two sets of rotor arms and be connected with a string section of thick bamboo, two sets of second rotor tables of bottom fixedly connected with of mount table, the top of second hydraulic stretching jar rotates to be connected on two sets of second rotor tables, the bottom fixedly connected with loose axle of second hydraulic stretching jar, the loose axle rotates to be connected between two sets of rotor arms, realize with this rotation between second hydraulic stretching jar and the rotor arm to be connected, realize can drive the rotor arm through the second hydraulic stretching jar and rotate, thereby it uses the axostylus axostyle to rotate as the turning point to drive a string section of thick bamboo, then can be with string section of thick bamboo gomphosis to the ditch inslot, and still fixedly connected with the mounting panel that is used for carrying out the braking piece fixed mounting, and foretell mounting panel, adopt integrative structure setting between mount table and the braking housing, in order to guarantee firm and durable.

Compared with the prior art, the beneficial effects of the utility model reside in that, can be with brake disc fixed connection on aerogenerator's low-speed epaxial, and installation friction braking piece and the spacing braking piece that corresponds, make and to drive two sets of brake shoes to the motion of brake disc direction through first hydraulic telescoping cylinder, until two sets of brake shoes to the brake disc centre gripping, like this through frictional force alright make two sets of brake shoes to carry out friction braking to the brake disc, and further, when two sets of brake shoes constantly when moving to the brake disc direction, can reduce the rotational speed of brake disc gradually, can drive the rotor arm through second hydraulic telescoping cylinder this moment and rotate, make then to drive a string section of thick bamboo and arrive braking position, the brake disc can make a string section of thick bamboo be located the ditch inslot at the rotation in-process, thereby realize the spacing braking to the brake disc, such braking mode has that braking effect is fast, brake stability is strong, reduce braking load's characteristics.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of a detailed structure of the portion A0 in FIG. 1;

FIG. 3 is a schematic view of the bottom view of the present invention;

fig. 4 is a schematic view of the installation structure of the present invention.

In the figure: the brake device comprises a brake disc 1, a brake cover 2, brake shoes 3, a first hydraulic telescopic cylinder 4, a stabilizing frame 5, a sliding column 6, a groove 7, a second hydraulic telescopic cylinder 8, a mounting table 9, a rotating arm 10, a hanging barrel 11, a first rotating table 12, a shaft rod 13, a second rotating table 14, a movable shaft 15, a mounting plate 16, a high-speed shaft 17, a generator 18, a low-speed shaft 19, a hub 20 and a gearbox 21.

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 to 4, a brake mechanism of a wind power generator includes a brake disc 1, a friction brake component and a limiting brake component, the brake disc 1 is provided with the friction brake component, the friction brake component includes a brake housing 2, brake shoes 3 and first hydraulic telescopic cylinders 4, the brake housing 2 is provided with a housing cavity, the top of the brake disc 1 is located in the housing cavity, both sides of the brake disc 1 in the housing cavity are slidably connected with the brake shoes 3, the brake housing 2 corresponding to each group of brake shoes 3 is fixedly connected with the first hydraulic telescopic cylinders 4, piston rods of the first hydraulic telescopic cylinders 4 are fixedly connected with the brake shoes 3, and in order to ensure stable installation of the first hydraulic telescopic cylinders 4, the brake housing 2 corresponding to each group of first hydraulic telescopic cylinders 4 is fixedly connected with a stabilizing frame 5, outer cylinders of the first hydraulic telescopic cylinders 4 are fixedly connected to the stabilizing frame 5, so that the brake shoes 3 can be driven to move towards the direction of the brake discs 1 by the first hydraulic telescopic cylinders 4, the brake shoes 3 are clamped to the brake discs 1 to achieve the effect of friction brake, and further, each group of brake shoes 3 facing towards the outside is fixedly connected with sliding columns 6, and sliding holes 6 corresponding to the brake shoes are provided on the brake housing 2;

the edge of above-mentioned brake disc 1 is annular array's multiunit slot 7 that is provided with, slot 7 structure can set up according to the drawing, side at brake disc 1 is provided with spacing braking piece, spacing braking piece includes second hydraulic stretching jar 8, mount table 9, rotor arm 10 and hanging section of thick bamboo 11, mount table 9 fixed connection is on braking housing 2, two sets of first rotor tables 12 of bottom fixedly connected with of mount table 9, rotor arm 10 adopts two sets ofly, two sets of rotor arm 10 are fixed connection with axostylus axostyle 13 between the same end, axostylus axostyle 13 rotates and connects on two sets of first rotor tables 12, then it is connected with hanging section of thick bamboo 11 to rotate between the other end of two sets of rotor arms 10, at two sets of second rotor tables 14 of bottom fixedly connected with of mount table 9, the top of second hydraulic stretching jar 8 rotates and connects on two sets of second rotor tables 14, the bottom fixedly connected with loose axle 15 of second hydraulic stretching jar 8, loose axle 15 rotates and connects between two sets of rotor arms 10, can drive rotor arm 10 through second hydraulic stretching jar 8 and rotate, thereby it uses axostylus axostyle 13 as a pivot to be rotatory to connect mounting plate 11 to the mounting plate 1 and still install and install the solid brake 16 with fixing mounting plate 16 in order to guarantee firmly to install the solid gomphosis between the installation at mounting table 2.

Current aerogenerator 18 unit is including wheel hub 20, gear box 21 and generator 18, be connected through low-speed shaft 19 between wheel hub 20 and the gear box 21, and be connected through high-speed shaft 17 between gear box 21 and the generator 18, and the utility model provides a brake mechanism is when being applied to aerogenerator 18, can be with brake disc 1 fixed connection on the low-speed shaft 19 of aerogenerator 18 group, and fixed mounting friction braking piece and spacing braking piece, when needing to brake aerogenerator 18, accessible first hydraulic stretching jar 4 drives brake shoe 3 to the motion of brake disc 1 direction, when two sets of brake shoes 3 constantly move to brake disc 1 direction, can reduce the rotational speed of brake disc 1 gradually, second hydraulic stretching jar 8 can drive rotor arm 10 and rotate this moment, then drive hanging cylinder 11 and arrive the braking position, concrete saying so, the braking position relies on the stroke of second hydraulic stretching jar 8 to decide, can make hanging cylinder 11 be located 7 in the rotation process when 1, alright brake disc 1 brakies this moment, accomplish to the braking 18, later on the brake disc 3 carry out the damage to the brake disc through two sets of hydraulic stretching jar and the brake disc 4 at the time, can also the brake disc 1 and carry out the brake load of the brake because of the quick braking and increase the brake, so to brake disc 1, can the brake load of two sets of the brake disc 1, it can be avoided the brake load to brake disc 1 to push to share in the brake, so.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A braking mechanism of a wind driven generator is characterized in that: the brake comprises a brake disc (1), a friction braking element and a limiting braking element, wherein the friction braking element is arranged on the brake disc (1), a plurality of groups of grooves (7) are arranged on the edge of the brake disc (1) in an annular array, and the limiting braking element is arranged on the side edge of the brake disc (1);

spacing arresting member includes second hydraulic pressure telescopic cylinder (8), mount table (9), rotor arm (10) and hangs a section of thick bamboo (11), mount table (9) are close to brake disc (1), the bottom of mount table (9) is rotated and is connected with rotor arm (10), the other end of rotor arm (10) is rotated and is connected with hang a section of thick bamboo (11), it is connected with to rotate on mount table (9) second hydraulic pressure telescopic cylinder (8), the bottom of second hydraulic pressure telescopic cylinder (8) with rotor arm (10) rotate and are connected, hang a section of thick bamboo (11) gomphosis to a set of in slot (7).

2. The braking mechanism of a wind power generator according to claim 1, wherein: friction braking piece includes brake housing (2), brake shoe (3) and first hydraulic telescoping cylinder (4), be provided with the cover chamber on the brake housing (2), the top of brake disc (1) is located the cover intracavity, the cover intracavity is located the equal sliding connection in both sides of brake disc (1) has brake shoe (3), correspond every group on the brake housing (2) the equal fixedly connected with of brake shoe (3) first hydraulic telescoping cylinder (4), the piston rod of first hydraulic telescoping cylinder (4) with brake shoe (3) fixed connection.

3. The brake mechanism for wind power generator according to claim 2, wherein: the brake device is characterized in that the mounting table (9) is fixedly connected to the brake housing (2), two sets of first rotating tables (12) are fixedly connected to the bottom of the mounting table (9), two sets of rotating arms (10) are adopted, two sets of rotating arms (10) are fixedly connected to shaft rods (13) between the same ends, the shaft rods (13) are rotatably connected to the first rotating tables (12) in a two-set mode, and the other ends of the rotating arms (10) are rotatably connected to the hanging cylinder (11).

4. A brake mechanism for a wind power generator according to claim 3, wherein: the bottom fixedly connected with two sets of second of mount table (9) rotate platform (14), the top of second hydraulic stretching jar (8) is rotated and is connected two sets of the second rotates on platform (14), the bottom fixedly connected with loose axle (15) of second hydraulic stretching jar (8), loose axle (15) rotate to be connected two sets of between rotor arm (10).

5. The brake mechanism for wind power generator according to claim 2, wherein: the brake device is characterized in that the brake housing (2) corresponds to each group of the first hydraulic telescopic cylinders (4) and is fixedly connected with a stabilizing frame (5), and the outer cylinders of the first hydraulic telescopic cylinders (4) are fixedly connected onto the stabilizing frame (5).

6. The braking mechanism of a wind power generator according to claim 2, wherein: the brake shoe is characterized in that two groups of sliding columns (6) are fixedly connected to the outward-facing surface of each group of brake shoes (3), sliding holes are formed in the brake housing (2) corresponding to each group of sliding columns (6), and the sliding columns (6) penetrate through the sliding holes in a one-to-one correspondence mode.

7. A brake mechanism for a wind power generator according to claim 3, wherein: fixedly connected with mounting panel (16) on mount table (9), adopt integrative structure setting between mounting panel (16), mount table (9) and the braking housing (2).