CN213692360U

CN213692360U - Grounding device of wind driven generator

Info

Publication number: CN213692360U
Application number: CN202022584830.7U
Authority: CN
Inventors: 王铎; 孔凡杰; 张义勇
Original assignee: DALIAN EASY SOUND ELECTROMECHANIC CO LTD
Current assignee: DALIAN EASY SOUND ELECTROMECHANIC CO LTD
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-07-13
Anticipated expiration: 2030-11-10

Abstract

The utility model belongs to the aerogenerator field, especially, aerogenerator earthing device to current inconvenient the installing and dismantling of the electrically conductive piece of being connected with the lightning rod, the degree of difficulty of maintaining is great, the not high problem of the reutilization ratio of electrically conductive piece, the scheme is now provided as follows, it includes the ground seat, the top fixed mounting of ground seat has the wind-force tower, and the outside fixed cover of wind-force tower is equipped with annular electrically conductive reposition of redundant personnel piece, the top fixed mounting of wind-force tower has aerogenerator, and aerogenerator's top fixed mounting has the lightning rod, and the top of annular electrically conductive reposition of redundant personnel piece closely laminates two insulation support pipes that have the symmetry to set up, and two insulation support pipe's inside all is provided with electrically conductive piece, the utility model discloses compared with traditional generator connecting device, can effectually protect the electric current tradition of electrically conductive, Disassembly and maintenance are carried out, the maintenance cost of the conductive piece is low, the secondary utilization rate is high, and the practicability is high.

Description

Grounding device of wind driven generator

Technical Field

The utility model relates to a aerogenerator technical field especially relates to an aerogenerator earthing device.

Background

The wind power generator is an electric power device which converts wind energy into mechanical energy, and the mechanical energy drives a rotor to rotate so as to finally output alternating current.

Notice for CN 210919351U's authorization document discloses a lightning protection earthing device for aerogenerator, including aerogenerator, aerogenerator includes wind-force tower and generator, and the top of wind-force tower is provided with the generator, and generator and wind-force tower rotate to be connected, and the top of generator is provided with lightning device, and lightning device and generator pass through grafting mode fixed connection, and the outside of wind-force tower is provided with electrically conductive device, and electrically conductive device and wind-force tower are through cup jointing mode fixed connection. The utility model has the characteristics of rational in infrastructure, simple to operate, mutually support between lightning device and the electric installation through what set up, can introduce the thunder and lightning on generator top in the ground, prevent that the thunder and lightning from causing the damage to the generator, still do not influence the rotation between generator and the pylon simultaneously and connect, the inconvenient installation and the dismantlement of electrically conductive piece of being connected with the lightning rod, the degree of difficulty of maintaining is great, the reutilization rate of electrically conductive piece is not high, so we have proposed a aerogenerator earthing device, a problem for solve the aforesaid and propose.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the conductive piece connected with the lightning rod is inconvenient to install and dismantle in the prior art, the maintenance difficulty is great, the defect that the secondary utilization rate of the conductive piece is not high, and the grounding device of the wind driven generator is provided.

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

a grounding device of a wind driven generator comprises a grounding seat, wherein a wind tower is fixedly arranged at the top of the grounding seat, an annular conductive shunt part is fixedly sleeved on the outer side of the wind tower, a wind driven generator is fixedly arranged at the top of the wind tower, a lightning rod is fixedly arranged at the top of the wind driven generator, two insulating sleeves which are symmetrically arranged are tightly attached to the top of the annular conductive shunt part, conductive parts are respectively arranged inside the two insulating sleeves, the bottoms of the two conductive parts are respectively fixedly arranged with the bottom of the annular conductive shunt part, the tops of the two conductive parts are respectively fixedly arranged with the lightning rod, two first arc plates and two second arc plates which are symmetrically arranged are respectively fixedly arranged at the sides of the two insulating sleeves which are close to each other, a mounting seat and a sleeve seat are respectively fixedly arranged at the sides of the first arc plates and the second arc plates which are positioned at the same horizontal plane, the inside of cover seat is provided with the installation axle, and the one end of installation axle extends to one side of cover seat, installation axle and mount pad can break away from threaded connection.

Preferably, in order to pour the electric current into the low underground, protect aerogenerator's use, be provided with the ground net on the ground connection seat, the top fixed mounting of ground connection seat has insulating protection pad, the top of insulating protection pad and the bottom fixed mounting of wind-force tower, the bottom fixed mounting of the electrically conductive reposition of redundant personnel of annular has a plurality of ground connection pieces that are the annular and arrange, and the one side that a plurality of ground connection pieces are close to each other all with the outside fixed mounting of ground connection seat.

Preferably, for effectual vibrations to when taking shelter from the thunder cushion, the last power shaft that is provided with of aerogenerator, the fixed cover in the outside of power shaft is equipped with the axle sleeve, the outside fixed mounting of axle sleeve has the three fin that is the annular and arranges, aerogenerator's top fixed mounting has the blotter, and the top of blotter and the bottom fixed mounting of lightning rod.

Preferably, in order to enable the installation shaft to rotate and move transversely, a through hole is formed in one side of the sleeve seat, a linear bearing is rotatably installed inside the through hole, one end of the installation shaft penetrates through one end of the linear bearing and is in sliding connection with an inner ring of the linear bearing, and one end of the installation shaft extends to one side of the sleeve seat.

Preferably, in order to conveniently clamp the first arc-shaped plate and the second arc-shaped plate, a through groove is formed in one side of the mounting seat, a cross column is fixedly mounted in the through groove, a limiting seat is fixedly mounted at one end of the cross column, a limiting groove is formed in one side of the limiting seat, a threaded sleeve is fixedly sleeved on the outer side of the mounting shaft, one end of the threaded sleeve extends into the through groove and can be in threaded connection with the through groove in a detachable mode, and one end of the mounting shaft and the inside of the limiting groove can be movably clamped in a detachable mode.

In the utility model, when the lightning rod contacts thunder and lightning in high altitude, the current can be transmitted to the annular conductive shunt part along two conductive parts, then the current is shunted by a plurality of grounding parts and is led into the grounding network on the grounding seat, thus the damage of the lightning to the wind power generator can be avoided, the first arc-shaped plate and the second arc-shaped plate are clamped outside the wind power tower, when the conductive parts need to be maintained, the installation shaft is rotated anticlockwise to enable the threaded sleeve outside the installation shaft to rotate, through the thread connection relationship of the arranged through groove and the threaded sleeve, the installation shaft and the threaded sleeve can withdraw from the inside of the through groove, the installation shaft withdraws from the limiting groove on the limiting seat, contacts the state of the first arc-shaped plate and the second arc-shaped plate, the operation is repeated for four times, and the clamping state of the first arc-shaped plate and the second arc-shaped plate and the wind power tower can be completed, the insulating sleeve can be freely taken out, and the conductive piece can be maintained, so that compared with a traditional generator power connection device, the current traditional protection device for the conductive piece can effectively protect the current traditional protection device for the conductive piece, the conductive piece is convenient to install, disassemble and maintain, the maintenance cost of the conductive piece is low, the secondary utilization rate is high, and the practicability is strong;

in order to solve the problem that vibration cannot be buffered when high-altitude lightning acts on a lightning rod, the vibration force can be effectively buffered through the buffer pad arranged at the top of the wind driven generator, the wind driven generator can be effectively protected, and the service life of the wind driven generator is prolonged;

in order to solve the problem that the protection measures of the conductive pieces are not good when current passes through the conductive pieces, the conductive pieces can be effectively protected by the insulating sleeves arranged on the outer sides of the conductive pieces, safety accidents in the process of conducting electricity are avoided, and the reliability is high.

Drawings

Fig. 1 is a perspective view of a partial structure of a grounding device of a wind driven generator according to the present invention;

fig. 2 is a schematic front view of the grounding device of the wind turbine generator according to the present invention;

fig. 3 is an enlarged schematic view of a part a of the structure in fig. 2 of the grounding device of the wind turbine generator according to the present invention.

In the figure: the wind power generation device comprises a grounding seat 1, an insulating protection pad 2, a wind power tower 3, an annular conductive shunt 4, a grounding part 5, a wind power generator 6, a cushion pad 7, a lightning rod 8, a power shaft 9, a shaft sleeve 10, a fin 11, an insulating sleeve 12, a conductive part 13, a first arc-shaped plate 14, a second arc-shaped plate 15, a mounting seat 16, a limiting seat 17, a sleeve seat 18, a linear bearing 19, a mounting shaft 20 and a threaded sleeve 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.

Example one

Referring to fig. 1-3, a grounding device of a wind power generator comprises a grounding seat 1, a wind power tower 3 is fixedly installed on the top of the grounding seat 1, an annular conductive shunt member 4 is fixedly sleeved on the outer side of the wind power tower 3, a wind power generator 6 is fixedly installed on the top of the wind power tower 3, a lightning rod 8 is fixedly installed on the top of the wind power generator 6, two symmetrically arranged insulating sleeves 12 are tightly attached to the top of the annular conductive shunt member 4, conductive members 13 are respectively arranged inside the two insulating sleeves 12, the bottoms of the two conductive members 13 are respectively fixedly installed with the bottom of the annular conductive shunt member 4, the tops of the two conductive members 13 are respectively fixedly installed with the lightning rod 8, two symmetrically arranged first arc-shaped plates 14 and two second arc-shaped plates 15 are respectively fixedly installed on the sides of the two insulating sleeves 12 close to each other, a mounting seat 16 and a sleeve seat 18 are respectively fixedly installed on the sides of the first arc-shaped plates 14 and the second arc-shaped, the interior of the sleeve seat 18 is provided with a mounting shaft 20, and one end of the mounting shaft 20 extends to one side of the sleeve seat 18, and the mounting shaft 20 and the mounting seat 16 can be disengaged from the threaded connection.

Example two

The following further improvements are made on the basis of the first embodiment:

the utility model discloses in, in order to pour the electric current into low secret, protect aerogenerator 6's use, be provided with the ground net on the earthing seat 1, the top fixed mounting of earthing seat 1 has insulating protection pad 2, the bottom fixed mounting of insulating protection pad 2's top and wind-force tower 3, the bottom fixed mounting of annular conductive shunt spare 4 has a plurality of ground connection spare 5 that are the annular and arrange, the equal outside fixed mounting with earthing seat 1 in one side that a plurality of ground connection spare 5 are close to each other.

The utility model discloses in, for effectual vibrations to when taking shelter from the thunder cushion, be provided with power shaft 9 on aerogenerator 6, the fixed cover in the outside of power shaft 9 is equipped with axle sleeve 10, and axle sleeve 10's outside fixed mounting has the three fin 11 that is the annular and arranges, and aerogenerator 6's top fixed mounting has blotter 7, and blotter 7's top and lightning rod 8's bottom fixed mounting.

The utility model discloses in, in order to make installation axle 20 can pivoted while and lateral shifting, the through-hole has been seted up to one side of cover seat 18, and the inside rotation of through-hole installs linear bearing 19, the one end of installation axle 20 run through linear bearing 19 one end and with linear bearing 19's inner circle sliding connection, the one end of installation axle 20 extends to one side of cover seat 18.

The utility model discloses in, for the convenience of carrying out clamping of first arc 14 and second arc 15, logical groove has been seted up to one side of mount pad 16, and the inside fixed mounting who leads to the groove has the spreader, the one end fixed mounting of spreader has spacing seat 17, the spacing groove has been seted up to one side of spacing seat 17, the fixed cover in the outside of installation axle 20 is equipped with threaded sleeve 21, threaded sleeve 21's one end extends to the inside that leads to the groove and can break away from threaded connection with the logical groove, the one end of installation axle 20 and the inside of spacing groove can break away from the activity and clamp.

In the utility model, when the lightning rod 8 contacts the thunder and lightning in the high altitude, the current can be transmitted to the annular conductive shunt part along the two conductive parts 13, then the current is shunted by the plurality of grounding parts and is led into the grounding network on the grounding seat 1, thus the damage of the thunder and lightning to the wind power generator 6 can be avoided, the first arc-shaped plate 14 and the second arc-shaped plate 15 are clamped at the outer side of the wind power tower 5, when the conductive parts 13 need to be maintained, the installation shaft 20 is rotated anticlockwise to enable the threaded sleeve 21 at the outer side of the installation shaft 20 to rotate, through the arranged threaded connection relationship of the through groove and the threaded sleeve 21, the installation shaft 20 and the threaded sleeve 21 can be withdrawn from the inside of the through groove, the installation shaft 20 is withdrawn from the limiting groove on the limiting seat 17, the clamping state of the first arc-shaped plate 14 and the second arc-shaped plate 15 is contacted, the clamping state of the first arc-shaped plate 14 and the second arc-shaped plate 15 and the wind, can freely take out insulation support 12, maintain electrically conductive piece 13 can, traditional generator connects electric installation, can effectually protect electrically conductive piece 13's electric current tradition, conveniently installs, dismantles and maintains electrically conductive piece 13, and electrically conductive piece 13's maintenance cost is low, and secondary utilization is high, and the feasibility of implementation is strong.

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. The utility model provides a aerogenerator earthing device, includes earthing seat (1), its characterized in that, the top fixed mounting of earthing seat (1) has wind-force tower (3), and the outside fixed cover of wind-force tower (3) is equipped with electrically conductive reposition of redundant personnel piece of annular (4), the top fixed mounting of wind-force tower (3) has aerogenerator (6), the top fixed mounting of aerogenerator (6) has lightning rod (8), the top of electrically conductive reposition of redundant personnel piece of annular (4) closely laminates two insulation support (12) that have the symmetry to set up, and the inside of two insulation support (12) all is provided with electrically conductive piece (13), and the bottom of two electrically conductive piece (13) all with the bottom fixed mounting of electrically conductive reposition of redundant personnel piece of annular (4), the top of two electrically conductive piece (13) all with lightning rod (8) fixed mounting, and the equal fixed mounting in one side that two insulation support (12) are close to each other has two first arcs (14) and two second arcs (15) that The utility model discloses a set of connecting rod, be located the one side that first arc (14) and second arc (15) of same horizontal plane are close to each other respectively fixed mounting have mount pad (16) and cover seat (18), the inside of cover seat (18) is provided with installation axle (20), and the one end of installation axle (20) extends to the one side of cover seat (18), installation axle (20) and mount pad (16) can break away from threaded connection.

2. The grounding device of the wind driven generator according to claim 1, wherein a grounding net is arranged on the grounding seat (1), an insulating protection pad (2) is fixedly arranged at the top of the grounding seat (1), the top of the insulating protection pad (2) and the bottom of the wind tower (3) are fixedly arranged, a plurality of grounding pieces (5) which are annularly arranged are fixedly arranged at the bottom of the annular conductive shunt piece (4), and one sides of the plurality of grounding pieces (5) which are close to each other are fixedly arranged at the outer side of the grounding seat (1).

3. The grounding device of the wind driven generator according to claim 1, wherein a power shaft (9) is arranged on the wind driven generator (6), a shaft sleeve (10) is fixedly sleeved on the outer side of the power shaft (9), three fins (11) which are arranged in an annular shape are fixedly installed on the outer side of the shaft sleeve (10), a cushion pad (7) is fixedly installed on the top of the wind driven generator (6), and the top of the cushion pad (7) and the bottom of the lightning rod (8) are fixedly installed.

4. The grounding device of the wind driven generator according to claim 1, wherein a through hole is formed in one side of the sleeve seat (18), a linear bearing (19) is rotatably mounted inside the through hole, one end of the mounting shaft (20) penetrates through one end of the linear bearing (19) and is slidably connected with an inner ring of the linear bearing (19), and one end of the mounting shaft (20) extends to one side of the sleeve seat (18).

5. The grounding device of the wind driven generator according to claim 1, wherein a through groove is formed in one side of the mounting seat (16), a cross post is fixedly mounted inside the through groove, a limiting seat (17) is fixedly mounted at one end of the cross post, a limiting groove is formed in one side of the limiting seat (17), a threaded sleeve (21) is fixedly sleeved outside the mounting shaft (20), one end of the threaded sleeve (21) extends into the through groove and can be in threaded connection with the through groove, and one end of the mounting shaft (20) and the inside of the limiting groove can be in movable clamping connection with each other.