CN212027987U

CN212027987U - Wind driven generator with overspeed module

Info

Publication number: CN212027987U
Application number: CN202020708935.6U
Authority: CN
Inventors: 何毅培
Original assignee: Nanjing Coreason New Energy Technology Co ltd
Current assignee: Nanjing Coreason New Energy Technology Co ltd
Priority date: 2020-05-01
Filing date: 2020-05-01
Publication date: 2020-11-27
Anticipated expiration: 2030-05-01

Abstract

The utility model discloses a take aerogenerator of overspeed module, including the aerogenerator main part, the aerogenerator main part includes rack and fixed mounting switch board, generator and the multistage automatic gearbox in the rack, and one side of frame is equipped with the blading, and the left side fixedly connected with round seat of blading, round seat rotate to be installed in the frame, round seat has seted up the circular recess near one side of blading, and the right side fixedly connected with of blading is located the antiskid offset plate of circular recess, is equipped with the circle axle in the circular recess, and outside the left end of circle axle extended to the round seat, fixedly connected with square pole in the drive shaft of multistage automatic gearbox, and circle axle sliding sleeve establishes on the square pole, and circle seat movable sleeve establishes on the circle axle. The utility model relates to a rationally for can be when multistage automatic transmission's rotational speed surpasss the extreme value automatic stable disconnection and the connection of blading, reduce the damage risk of multistage automatic transmission and generator, reduce loss of property, be favorable to the use.

Description

Wind driven generator with overspeed module

Technical Field

The utility model relates to a aerogenerator technical field especially relates to a take aerogenerator of overspeed module.

Background

Wind power generation is characterized in that kinetic energy of wind is converted into electric energy, the wind energy is a clean renewable energy source, the accumulated amount of the wind energy is huge, the global wind energy is about 2.74 multiplied by 10^9MW, the available wind energy is 2 multiplied by 10^7MW, the total amount of water energy which can be developed and utilized on the earth is 10 times larger than that of water energy which can be developed and utilized on the earth, and the wind power generation has the advantages of no pollution, relatively small investment of power generation equipment, relatively loose requirement on installation position and the like, so that the wind power generation is more and more emphasized in various countries in the world, meanwhile, more and more people start to utilize the wind power generation, and the authorization notice number CN206753815U is a wind power generator with an overspeed protection device, and comprises a frame, a generator, a control cabinet, a rotating speed sensor, a multi-stage automatic gearbox, an overspeed protection transmission blade cylinder, an outer cylinder, a spring, a slide block, an, the output end is connected with a generator for generating electricity, a rotating speed sensor is arranged on an output end shaft of the gearbox, data measured by the rotating speed sensor is fed back to the control cabinet, the control cabinet gives signals to the multi-stage automatic gearbox, and therefore the transmission ratio is changed, the rotating speed of a rotor of the generator is kept within a safe range, the generator is prevented from being burnt by overload, and the special structure of the over-speed protection transmission cylinder enables the transmission cylinder to be separated from an inner shaft when the rotating speed of a blade group exceeds a limit value, so that the rotor of the generator slowly decelerates or even stops, when wind power is too large and the rotating speed of the blades is too high, the effect of protecting the motor is achieved, and so-called.

The above patent still has some defects, the overspeed protection function is realized by the cooperation of the rotating speed sensor, the control cabinet, the multi-stage automatic gearbox and the overspeed protection transmission cylinder, the overspeed module self-adjusting function is integrally formed by the cooperation, and the connection between the overspeed protection transmission cylinder and the blade group can be disconnected after the rotating speed reaches the limit of the multi-stage automatic gearbox, so that the blade group does not drive the multi-stage automatic gearbox, and further overmoulding protection is realized;

however, the mode of breaking the connection by throwing away the sliding block through the centrifugal force generated by the high-speed rotation of the blade group is unstable, the control is difficult, the stability of the disconnection is easily affected by various factors (for example, the centrifugal force cannot completely overcome the elastic force of the spring to separate the sliding block from the inner shaft, or the elastic fatigue elastic force of the spring is weakened after the spring is used for a long time, and the damage of the multistage automatic gearbox and the generator can be caused if the disconnection cannot be stably carried out, so that great property loss is caused).

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a wind driven generator with an overspeed module.

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

a wind driven generator with an over-speed module comprises a wind driven generator main body, wherein the wind driven generator main body comprises a rack, a control cabinet, a generator and a multi-stage automatic gearbox, the control cabinet, the generator and the multi-stage automatic gearbox are fixedly arranged in the rack, a blade group is arranged on one side of the rack, a round seat is fixedly connected to the left side of the blade group, a round groove is formed in one side, close to the blade group, of the round seat, an anti-skid rubber plate located in the round groove is fixedly connected to the right side of the blade group, a round shaft is arranged in the round groove, the left end of the round shaft extends out of the round seat, a square rod is fixedly connected to a driving shaft of the multi-stage automatic gearbox, the round shaft is slidably sleeved on the square rod, the round seat is movably sleeved on the round shaft, a pressing plate is fixedly connected to the right end of the round shaft, a plurality of sharp blocks are fixedly connected, the fixed cover of circle epaxial is equipped with and is located the left first bearing of circle seat, and the outer lane bottom fixedly connected with montant of first bearing, fixedly connected with battery and electric telescopic handle on the bottom inner wall of frame, electric telescopic handle's the end that stretches out and the left side bottom fixed connection of montant.

Preferably, the same second bearing is fixedly connected between the top inner wall and the bottom inner wall of the rack, and the inner side of the inner ring of the second bearing is welded and fixed with the outer side of the circular seat.

Preferably, the left end of the round shaft is provided with a rectangular groove, and the top inner wall, the bottom inner wall, the front side inner wall and the rear side inner wall of the rectangular groove are respectively in sliding connection with the top, the bottom, the front side and the rear side of the square rod.

Preferably, a round hole is formed in the inner wall of one side, away from the opening, of the round groove, two balls are nested on the inner wall of the top, the inner wall of the bottom, the inner wall of the front side and the inner wall of the rear side of the round hole, the round shaft is located between the eight balls, and the balls are in rolling contact with the outer side of the round shaft.

Preferably, the storage battery is electrically connected with the electric telescopic rod, the output end of the multi-stage automatic gearbox is connected with the input end of the generator, the output end of the multi-stage automatic gearbox is provided with a rotating speed sensor, the rotating speed sensor is electrically connected with the control cabinet, and the control cabinet is electrically connected with the electric telescopic rod.

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

by a frame, a blade group, a multi-stage automatic gearbox, a round base, a round groove, an anti-skid rubber plate, a pressing plate, a round shaft, a square rod, a vertical rod, an electric telescopic rod, a tip block, a second bearing, a first bearing, a ball and a rectangular groove are matched, the round base and the anti-skid rubber plate are driven to rotate when the blade group rotates, the anti-skid rubber plate drives a plurality of tip blocks to rotate by friction, the plurality of tip blocks drive a rotating shaft to rotate by the pressing plate, the rotating shaft drives the square rod to rotate, the square rod drives the output end of the square rod to rotate by a driving shaft of the multi-stage automatic gearbox, a rotating speed sensor sends a rotating speed signal to a control cabinet, when the rotating speed of the output end of the multi-stage automatic gearbox exceeds a limit value, the control cabinet receives the signal and sends the signal to a controller of the electric telescopic rod to control the electric telescopic rod to reversely, the round shaft drives the plurality of sharp blocks to be separated from the anti-skid rubber plate leftwards through the pressing plate, so that the multistage automatic gearbox is automatically and stably disconnected from the blade set when the rotating speed exceeds a limit value.

The utility model relates to a rationally for can be when multistage automatic transmission's rotational speed surpasss the extreme value automatic stable disconnection and the connection of blading, reduce the damage risk of multistage automatic transmission and generator, reduce loss of property, be favorable to the use.

Drawings

Fig. 1 is a schematic cross-sectional structural view of a wind turbine with an overspeed module according to the present invention;

fig. 2 is an enlarged schematic view of a portion a in fig. 1.

In the figure: the device comprises a frame 1, a blade group 2, a multistage automatic gearbox 3, a circular seat 4, a circular groove 5, an antiskid rubber plate 6, a pressing plate 7, a circular shaft 8, a square rod 9, a vertical rod 10, an electric telescopic rod 11, a tip block 12, a second bearing 13, a first bearing 14, a ball 15 and a rectangular groove 16.

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.

Referring to fig. 1-2, a wind power generator with an overspeed module comprises a wind power generator main body, the wind power generator main body comprises a frame 1, a control cabinet, a generator and a multi-stage automatic gearbox 3, the control cabinet, the generator and the multi-stage automatic gearbox 3 are fixedly arranged in the frame 1, one side of the frame 1 is provided with a blade group 2, the left side of the blade group 2 is fixedly connected with a round seat 4, the round seat 4 is rotatably arranged in the frame 1, one side of the round seat 4, which is close to the blade group 2, is provided with a round groove 5, the right side of the blade group 2 is fixedly connected with an anti-skid rubber plate 6, a round shaft 8 is arranged in the round groove 5, the left end of the round shaft 8 extends out of the round seat 4, a square rod 9 is fixedly connected on a driving shaft of the multi-stage automatic gearbox 3, the round shaft 8 is slidably sleeved on the square rod 9, the round seat 4 is movably sleeved on the round shaft 8, the right end, the most advanced of point piece 12 and the left side in close contact with of antiskid offset plate 6, fixed cover is equipped with and is located the left first bearing 14 of circle seat 4 on the circle axle 8, and the outer lane bottom fixedly connected with montant 10 of first bearing 14, fixedly connected with battery and electric telescopic handle 11 on the bottom inner wall of frame 1, the left side bottom fixed connection of the end that stretches out and montant 10 of electric telescopic handle 11, the utility model relates to a rationally for can be connected with blading 2 at automatic stable disconnection when multistage automatic gearbox 3's rotational speed surpasses the limiting value, reduce the damage risk of multistage automatic gearbox 3 and generator, reduce loss of property, be favorable to using.

In the utility model, the same second bearing 13 is fixedly connected between the top inner wall and the bottom inner wall of the frame 1, the inner ring of the second bearing is welded and fixed with the outer side of the round seat 4, the left end of the round shaft 8 is provided with a rectangular groove 16, and the top inner wall, the bottom inner wall, the front inner wall and the rear inner wall of the rectangular groove 16 are respectively connected with the top, the bottom, the front side and the rear side of the square rod 9 in a sliding way, the inner wall of one side of the round groove 5 away from the opening is provided with a round hole, and the top inner wall, the bottom inner wall, the front inner wall and the rear inner wall of the round hole are respectively nested with two balls 15, the round shaft 8 is positioned between the eight balls 15, the balls 15 are in rolling contact with the outer side of the round shaft 8, the storage battery is electrically connected with the electric telescopic rod 11, the output end of the multi-stage automatic gearbox, revolution speed sensor and switch board electric connection, switch board and 11 electric connection of electric telescopic handle, multistage automatic gearbox 3 has a plurality of gear trains, hydraulic servo system is equipped with, electric telescopic handle 11 embeds there is the controller, adopt the gear cooperation of hydraulic drive mode switching different gear trains and square bar 9 one end, the switch board receives its signal, the standard of passing through the signal default gives the hydraulic servo system and the electric telescopic handle 11 controller of signal for multistage automatic gearbox 3 respectively simultaneously, the utility model relates to a rationally, make can be when the rotational speed of multistage automatic gearbox 3 exceeds the extreme value automatic stable disconnection and blading 2 be connected, reduce the damage risk of multistage automatic gearbox 3 and generator, reduce loss of property, be favorable to using.

The working principle is as follows: the blade group 2 can drive the round seat 4 and the antiskid rubber plate 6 to rotate when rotating, the antiskid rubber plate 6 drives the plurality of sharp blocks 12 to rotate through friction, the plurality of sharp blocks 12 drive the pressing plate 7 to rotate, the pressing plate 7 drives the rotating shaft 8 to rotate between eight balls 15, the rotating shaft 8 drives the square rod 9 to rotate through the rectangular groove 16, the square rod 9 drives the output end of the multistage automatic gearbox 3 to rotate through the driving shaft of the multistage automatic gearbox 3, for example, when the rotating speed is too high, the control cabinet gives a signal to the hydraulic servo system, the gear set of the multistage automatic gearbox 3 is switched, the transmission ratio is reduced, the rotating speed is reduced, and the generator is prevented from being burnt by overload;

when the rotating speed of the output end of the multistage automatic gearbox 3 exceeds a limit value, the control cabinet receives a signal and sends the signal to the controller of the electric telescopic rod 11 to control the electric telescopic rod 11 to be reversely started, the extending end of the electric telescopic rod 11 drives the vertical rod 10 to move leftwards, the vertical rod 10 drives the round shaft 8 to slide leftwards on the square rod 9 through the first bearing 14, the round shaft 8 drives the pressing plate 7 to move leftwards, the pressing plate 7 drives the plurality of sharp blocks 12 to separate leftwards from the anti-skid rubber plate 6, at the moment, the blade group 2 drives the anti-skid rubber plate 6 to rotate without driving the sharp blocks 12 and the pressing plate 7 to rotate, so that the driving shaft of the multistage automatic gearbox 3 cannot be continuously driven to rotate, the multistage automatic stable disconnection and connection of the blade group 3 and the blade group 2 are realized when the rotating speed exceeds the limit value, when the input speed is reduced, the electric telescopic rod 11 is reversely started, the reconnection is effected so that the connection to the blade group 2 can be automatically and stably disconnected when the rotational speed of the automatic transmission 3 exceeds a limit value, reducing the risk of damage to the automatic transmission 3 and the generator.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A wind driven generator with an overspeed module comprises a wind driven generator main body, wherein the wind driven generator main body comprises a rack (1), a control cabinet, a generator and a multi-stage automatic gearbox (3), the control cabinet, the generator and the multi-stage automatic gearbox are fixedly installed in the rack (1), a blade group (2) is arranged on one side of the rack (1), a round seat (4) is fixedly connected to the left side of the blade group (2), the round seat (4) is rotatably installed in the rack (1), the wind driven generator is characterized in that a round groove (5) is formed in one side, close to the blade group (2), of the round seat (4), a right side of the blade group (2) is fixedly connected with an anti-skidding rubber plate (6) positioned in the round groove (5), a round shaft (8) is arranged in the round groove (5), the left end of the round shaft (8) extends out of the round seat (4), a square rod (9) is fixedly connected to a driving shaft of the multi-stage automatic gearbox (, circle seat (4) movable sleeve establishes on circle axle (8), and right-hand member fixedly connected with clamp plate (7) of circle axle (8), and clamp plate (7) are close to a plurality of sharp pieces of one side fixedly connected with (12) of anti-skidding offset plate (6), the most advanced and the left side in close contact with of anti-skidding offset plate (6) of sharp piece (12), fixed cover is equipped with and is located the left first bearing (14) of circle seat (4) on circle axle (8), and the outer lane bottom fixedly connected with montant (10) of first bearing (14), fixedly connected with battery and electric telescopic handle (11) on the bottom inner wall of frame (1), the left side bottom fixed connection of stretching out end and montant (10) of electric telescopic handle (11).

2. Wind turbine generator with an overspeed module according to claim 1, characterized in that a second bearing (13) is fixedly connected between the top inner wall and the bottom inner wall of the machine frame (1), and the inner side of the inner ring of the second bearing is welded and fixed to the outer side of the circular seat (4).

3. The wind driven generator with the overspeed module as claimed in claim 1, wherein the circular shaft (8) has a rectangular groove (16) formed at a left end thereof, and the top inner wall, the bottom inner wall, the front inner wall and the rear inner wall of the rectangular groove (16) are slidably connected with the top, the bottom, the front and the rear of the square bar (9), respectively.

4. The wind driven generator with the overspeed module as recited in claim 1, wherein a circular hole is formed in an inner wall of the circular groove (5) on a side away from the opening of the circular groove, two balls (15) are nested on the top inner wall, the bottom inner wall, the front inner wall and the rear inner wall of the circular hole, the circular shaft (8) is located between the eight balls (15), and the balls (15) are in rolling contact with the outer side of the circular shaft (8).

5. The wind power generator with the overspeed module as claimed in claim 1, wherein the battery is electrically connected to the electric telescopic rod (11), the output end of the multi-stage automatic gearbox (3) is connected to the input end of the generator, the output end of the multi-stage automatic gearbox (3) is provided with a rotation speed sensor, the rotation speed sensor is electrically connected to the control cabinet, and the control cabinet is electrically connected to the electric telescopic rod (11).