CN213870125U

CN213870125U - High lightning protection capacity variable speed wind driven generator

Info

Publication number: CN213870125U
Application number: CN202022769366.9U
Authority: CN
Inventors: 朱子叶; 余威
Original assignee: Shanghai Heyang Power Technology Co ltd
Current assignee: Shanghai Heyang Power Technology Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-08-03
Anticipated expiration: 2030-11-25

Abstract

The utility model discloses a high lightning protection ability variable speed aerogenerator, including generator body and a plurality of flabellum, one side outer wall of generator body is provided with the generator pivot, the circumference outer wall of generator pivot is opened there is the mounting groove, and the one end inner wall of mounting groove opens and have a plurality of movable grooves, the inside grafting of movable groove has the limiting plate, and the top outer wall of limiting plate opens flutedly, and the limiting plate is the arc, the bottom inner wall fixedly connected with spring of recess. The utility model discloses when installing, with its cover in the epaxial mounting groove of generator pivot, make the installation piece hug closely the inner wall of mounting groove, then pull out the limiting plate and insert in the slot, the fixture block pops out under the spring action of spring, carries on spacingly to the limiting plate, and then fixes a plurality of installation pieces, reaches the purpose of the installation of being convenient for, when dismantling, only need press the fixture block, with the limiting plate insert the recess again can, easy operation reaches convenient to detach's purpose.

Description

High lightning protection capacity variable speed wind driven generator

Technical Field

The utility model relates to a aerogenerator technical field especially relates to high lightning protection ability variable speed aerogenerator.

Background

The wind driven generator is a device for converting wind energy into electric energy, and mainly comprises blades, a generator, mechanical parts and electrical parts. According to the difference of rotating shafts, wind driven generators are mainly divided into two types, namely horizontal shaft wind driven generators and vertical shaft wind driven generators, and the horizontal shaft wind driven generators in the current market occupy the mainstream position.

Aerogenerator needs to overhaul its flabellum after using a period, at present, current aerogenerator, is fixed connection usually between its flabellum and the generator shaft, and it is comparatively loaded down with trivial details to dismantle the process during maintenance to reduce flabellum and dismantle efficiency, influence flabellum maintenance efficiency, consequently, need to design a high lightning protection ability variable speed aerogenerator and solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a high lightning protection capacity variable speed wind driven generator.

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

high lightning protection ability variable speed aerogenerator, including generator body and a plurality of flabellum, one side outer wall of generator body is provided with the generator pivot, the circumference outer wall of generator pivot is opened there is the mounting groove, and the one end inner wall of mounting groove is opened there are a plurality of movable grooves, the inside grafting of movable groove has the limiting plate, and the top outer wall of limiting plate opens flutedly, and the limiting plate is the arc, the bottom inner wall fixedly connected with spring of recess, and the one end fixedly connected with fixture block of spring, the other end inner wall of mounting groove is opened there is the slot, and the inner wall of slot opens has the draw-in groove, and is a plurality of the equal fixedly connected with installation piece of bottom outer wall of flabellum, and one side outer wall of installation piece is opened there is the arc movable groove, the opposite side outer wall fixedly connected with arc connecting plate of installation piece, and the arc connecting plate pegs graft in the arc movable groove.

Preferably, the bottom outer wall fixedly connected with of generator body supports a section of thick bamboo, and the circumference outer wall that supports a section of thick bamboo is provided with the installation sleeve, the bottom outer wall of installation sleeve rotates and is connected with the axis of rotation, and the top outer wall fixedly connected with threaded rod of axis of rotation, the circumference outer wall push rod screw thread slip of threaded rod is provided with the slider, and the top outer wall of slider and the bottom outer wall fixed connection who supports a section of thick bamboo, the circumference inner wall of installation sleeve is opened there are two spacing grooves, and the inner wall of two spacing grooves all slides and is provided with the stopper, the relative one side outer wall of stopper all with slider fixed connection.

Preferably, the circumference outer wall fixedly connected with second bevel gear of axis of rotation, one side outer wall of installation sleeve rotates and is connected with the folding type crank, and the circumference outer wall fixedly connected with first bevel gear of folding type crank extension in the installation sleeve, first bevel gear meshes with the second bevel gear mutually.

Preferably, the outer wall of the top of the generator body is fixedly connected with a lightning rod.

Preferably, the bottom outer wall fixedly connected with backup pad of installation sleeve, and the bottom outer wall of backup pad is fixed and is provided with the earth mat, and the earth mat passes through wire electric connection with the lightning rod, and the bottom outer wall of earth mat is equipped with the lightning conductor.

The utility model has the advantages that:

1. through the arrangement of the installation block, the fan blade, the generator rotating shaft, the installation groove, the clamping groove, the slot, the limiting plate, the spring and the clamping block, when in installation, the diameter of a circle formed by the fan blades is firstly adjusted through the arc-shaped movable groove and the arc-shaped connecting plate, then the arc-shaped connecting plate is sleeved in the mounting groove on the rotating shaft of the generator, the arc-shaped connecting plate is contracted to enable the mounting block to be tightly attached to the inner wall of the mounting groove, then the limiting plate is pulled out to be inserted into the slot, the clamping block is contracted when entering the slot and is popped out under the action of the elasticity of the spring when corresponding to the clamping slot, the limit plate is limited, and then a plurality of mounting blocks are fixed, so as to achieve the purpose of convenient mounting, when being dismounted, only need press the fixture block, with the limiting plate reinsert in the recess can, easy operation reaches convenient to detach's purpose, reduces the process that the staff dismantled the flabellum, increases its work efficiency.

2. Through the installation sleeve, the threaded rod that set up. The axis of rotation, first bevel gear, second bevel gear, slider and stopper, when overhauing aerogenerator, rotate the book type crank, thereby under first bevel gear and second bevel gear's effect, it is rotatory to drive the axis of rotation, thereby it is rotatory to drive the threaded rod, the slider reciprocates under the effect of stopper and spacing groove, thereby it removes to drive a support section of thick bamboo, reach the purpose of the height-adjusting of being convenient for, the staff of being convenient for adjusts the height of generator, the potential safety hazard of overhauing the generator has been reduced.

3. Through the lightning rod that sets up, ground net and the line of drawing thunder, because aerogenerator installs the higher place in relief usually, utilize the lightning rod to introduce the ground net with the thunder and lightning in the thunderstorm weather, introduce the earth's surface with the thunder and lightning through drawing the thunder line, prevent that the thunder and lightning from causing destruction, increase the security of device to aerogenerator.

Drawings

Fig. 1 is a schematic view of the overall structure of a variable speed wind driven generator with high lightning protection capability according to the present invention;

fig. 2 is a partial front structural sectional view of the mounting sleeve and the supporting cylinder of the variable speed wind power generator with high lightning protection capability according to the present invention;

FIG. 3 is a partial side sectional view of the blade and the arc-shaped connecting plate of the variable speed wind turbine with high lightning protection capability according to the present invention;

fig. 4 is the utility model provides a high lightning protection ability variable speed aerogenerator's generator shaft and the local front structure cross-sectional view of limiting plate.

In the figure: 1-a generator body, 2-a lightning rod, 3-fan blades, 4-a generator rotating shaft, 5-an installation sleeve, 6-a support plate, 7-a lightning conductor, 8-a ground screen, 9-a rotating shaft, 10-a first bevel gear, 11-a folding crank, 12-a limiting block, 13-a support cylinder, 14-a sliding block, 15-a threaded rod, 16-a second bevel gear, 17-an installation block, 18-an arc-shaped movable groove, 19-an arc-shaped connecting plate, 20-a limiting plate, 21-a clamping block, 22-a spring and 23-a slot.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

The utility model discloses a control mode comes automatic control through the controller, and the control circuit of controller can realize through the simple programming of technical staff in this field, and the supply also belongs to the common general knowledge in this field, and the utility model discloses mainly used protects mechanical device, so the utility model discloses no longer explain control mode and circuit connection in detail.

Referring to fig. 1-4, a variable speed wind power generator with high lightning protection capacity comprises a generator body 1 and a plurality of fan blades 3, wherein a generator rotating shaft 4 is arranged on the outer wall of one side of the generator body 1, a mounting groove is formed on the outer wall of the circumference of the generator rotating shaft 4, a plurality of movable grooves are formed on the inner wall of one end of the mounting groove, a limiting plate 20 is inserted into the movable grooves, a groove is formed on the outer wall of the top of the limiting plate 20, the limiting plate 20 is arc-shaped, a spring 22 is connected to the inner wall of the bottom of the groove through a bolt, a clamping block 21 is connected to one end of the spring 22 through a bolt, a slot 23 is formed on the inner wall of the other end of the mounting groove, a clamping groove is formed on the inner wall of the slot 23, the outer walls of the bottoms of the plurality of fan blades 3 are all connected with a mounting block 17 through bolts, an arc-shaped movable groove 18 is formed on the outer wall of one side of the mounting block 17, and an arc-shaped connecting plate 19 is connected to the outer wall of the other side of the mounting block 17 through a bolt, and the arc connecting plate 19 is inserted in the arc movable groove 18.

In the utility model, the outer wall of the bottom of the generator body 1 is connected with a supporting cylinder 13 through a bolt, the outer wall of the circumference of the supporting cylinder 13 is provided with a mounting sleeve 5, the outer wall of the bottom of the mounting sleeve 5 is connected with a rotating shaft 9 in a rotating way, the outer wall of the top of the rotating shaft 9 is connected with a threaded rod 15 through a bolt, a push rod of the outer wall of the circumference of the threaded rod 15 is provided with a slide block 14 in a threaded sliding way, the outer wall of the top of the slide block 14 is connected with the outer wall of the bottom of the supporting cylinder 13 through a bolt, the inner wall of the circumference of the mounting sleeve 5 is provided with two limiting grooves, the inner walls of the two limiting grooves are both provided with limiting blocks 12 in a sliding way, the outer wall of one side opposite to each limiting block 12 is connected with the slide block 14 through a bolt, the outer wall of the circumference of the rotating shaft 9 is connected with a second bevel gear 16 through a bolt, the outer wall of one side of the mounting sleeve 5 is connected with a folding crank 11 in a rotating way, and the outer wall of the circumference of the folding crank 11 extending into the mounting sleeve 5 is connected with a first bevel gear 10 through a bolt, the first bevel gear 10 is meshed with the second bevel gear 16, and the height of the supporting cylinder 13 is adjusted by rotating the rotating shaft 9, so that the purpose of conveniently adjusting the height of the generator body 1 is achieved; the first bevel gear 10 is smaller than the second bevel gear 16, so as to achieve the purpose of facilitating the rotation of the folding crank 11.

In the utility model, the top outer wall of the generator body 1 is connected with the lightning rod 2 through a bolt, the bottom outer wall of the mounting sleeve 5 is connected with the supporting plate 6 through a bolt, the bottom outer wall of the supporting plate 6 is fixedly provided with the ground screen 8, the ground screen 8 is electrically connected with the lightning rod 2 through a wire, the bottom outer wall of the ground screen 8 is provided with the lightning conductor 7, and the purpose of leading thunder into the ground screen 8 is achieved; the purpose of leading the lightning in the ground net 8 to the ground surface is achieved.

The working principle is as follows: when the wind driven generator is installed, the diameter of a circle formed by the fan blades 3 is adjusted through the arc movable groove 18 and the arc connecting plate 19, the circle is sleeved in the installation groove on the rotating shaft 4 of the generator, the arc connecting plate 19 is contracted to enable the installation blocks 17 to be tightly attached to the inner wall of the installation groove, then the limiting plate 20 is pulled out to be inserted into the insertion groove 23, the clamping block 21 is contracted when entering the insertion groove 23 and is corresponding to the clamping groove, the clamping block is popped out under the elastic force of the spring 22 to limit the limiting plate 20, and further the installation blocks 17 are fixed to achieve the purpose of convenient installation, when the wind driven generator is disassembled, only the clamping block 21 needs to be pressed to reinsert the limiting plate 20 into the groove, the operation is simple, the purpose of convenient disassembly is achieved, when the wind driven generator is overhauled, the folding crank 11 is rotated, so that the rotating shaft 9 is driven to rotate under the action of the first bevel gear 10 and the second bevel gear 16, thereby drive the threaded rod 15 rotatory, slider 14 reciprocates under the effect of stopper 12 and spacing groove to drive a support section of thick bamboo 13 and remove, reach the purpose of the height-adjusting of being convenient for, because aerogenerator installs usually in the higher place of relief, utilize lightning rod 2 to introduce the earth mat 8 with the thunder and lightning in the thunderstorm weather, introduce the earth's surface through drawing thunder and lightning line 7, increase the security of device.

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. High lightning protection capacity variable speed aerogenerator, including generator body (1) and a plurality of flabellum (3), one side outer wall of generator body (1) is provided with generator shaft (4), its characterized in that, the circumference outer wall of generator shaft (4) is opened there is the mounting groove, and the one end inner wall of mounting groove is opened has a plurality of movable grooves, activity inslot portion pegs graft and is had limiting plate (20), and the top outer wall of limiting plate (20) is opened flutedly, limiting plate (20) are the arc, the bottom inner wall of recess fixedly connected with spring (22), and the one end fixedly connected with fixture block (21) of spring (22), the other end inner wall of mounting groove is opened has slot (23), and the inner wall of slot (23) is opened has the draw-in groove, a plurality of the bottom outer wall of flabellum (3) all fixedly connected with installation piece (17), and one side outer wall of installation piece (17) is opened has arc movable groove (18), the outer wall of the other side of the mounting block (17) is fixedly connected with an arc-shaped connecting plate (19), and the arc-shaped connecting plate (19) is inserted into the arc-shaped movable groove (18).

2. The high lightning protection capability variable speed wind turbine according to claim 1, the outer wall of the bottom of the generator body (1) is fixedly connected with a supporting cylinder (13), and the circumferential outer wall of the supporting cylinder (13) is provided with a mounting sleeve (5), the outer wall of the bottom of the mounting sleeve (5) is rotatably connected with a rotating shaft (9), a threaded rod (15) is fixedly connected with the outer wall of the top of the rotating shaft (9), a push rod on the outer wall of the circumference of the threaded rod (15) is provided with a sliding block (14) in a threaded sliding manner, the outer wall of the top of the sliding block (14) is fixedly connected with the outer wall of the bottom of the supporting cylinder (13), the circumferential inner wall of the mounting sleeve (5) is provided with two limiting grooves, and the inner walls of the two limiting grooves are provided with limiting blocks (12) in a sliding manner, and the outer wall of one side, opposite to the limiting blocks (12), is fixedly connected with the sliding block (14).

3. The variable-speed wind driven generator with high lightning protection capability according to claim 2 is characterized in that a second bevel gear (16) is fixedly connected to the circumferential outer wall of the rotating shaft (9), a folding crank (11) is rotatably connected to the outer wall of one side of the mounting sleeve (5), a first bevel gear (10) is fixedly connected to the circumferential outer wall of the folding crank (11) extending into the mounting sleeve (5), and the first bevel gear (10) is meshed with the second bevel gear (16).

4. The variable-speed wind power generator with high lightning protection capability according to claim 1, characterized in that a lightning rod (2) is fixedly connected to the outer wall of the top of the generator body (1).

5. The variable-speed wind driven generator with high lightning protection capability according to claim 3, characterized in that a supporting plate (6) is fixedly connected to the outer bottom wall of the mounting sleeve (5), a ground screen (8) is fixedly arranged on the outer bottom wall of the supporting plate (6), the ground screen (8) is electrically connected with the lightning rod (2) through a wire, and a lightning conductor (7) is arranged on the outer bottom wall of the ground screen (8).