CN215860624U

CN215860624U - Lightning arrester of wind driven generator

Info

Publication number: CN215860624U
Application number: CN202122347618.3U
Authority: CN
Inventors: 高鹏; 刘磊; 朱勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-02-18
Anticipated expiration: 2031-09-27

Abstract

The utility model relates to the technical field of lightning rods and discloses a lightning arrester of a wind driven generator, which comprises a base, wherein the upper surface of the base is rotatably connected with a rotating shaft, the top end of the rotating shaft is rotatably connected with a mounting frame, a containing groove is formed in the mounting frame, a lightning rod is slidably connected in the containing groove, the lower end of the lightning rod is fixedly connected with a wire, the side wall of the lightning rod is rotatably connected with a pull rod, one end of the mounting frame, which is far away from the rotating shaft, is fixedly connected with a turntable, a sliding groove is formed in the turntable, a sliding block is slidably connected in the sliding groove, the sliding block slides outwards under the action of centrifugal force through the sliding block in the turntable, at the moment, a supporting column can extend out along with the supporting column and is in contact with a top shell of the wind driven generator, the bottom area of the lightning arrester is increased, and the lightning arrester can be used in windy weather, the contact area of the base is increased, and the stability of the lightning arrester is improved.

Description

Lightning arrester of wind driven generator

Technical Field

The utility model relates to the technical field of lightning rods, in particular to a lightning arrester of a wind driven generator.

Background

Wind power generation equipment needs to be erected at an open and high position to achieve the effect of utilizing wind energy to the maximum extent, but in thunderstorm weather, a wind driven generator is easily hit by the thunder to cause damage to the equipment, so that a lightning rod needs to be installed at the top end of the wind driven generator, and the safety of the wind driven generator is improved.

The existing lightning arrester of the wind driven generator is fixed on a shell at the top of the wind driven generator only in a welding mode, the contact area of the lightning arrester and the wind driven generator is kept unchanged, and the lightning arrester cannot adjust the stabilizing effect according to the change of wind power, so that the lightning arrester is easily broken when the wind power is large, and the lightning arresting effect of the wind driven generator is influenced.

The contact area between the lightning arrester and the top shell of the wind driven generator is adjusted, so that the lightning arrester can be automatically supported and protected in the windy weather, and the lightning arrester can be contracted by a certain length in the weather with overlarge wind power, so that the stability of the lightning arrester is improved, and the lightning arrester is prevented from being broken.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a lightning arrester of a wind driven generator, which has the advantages of automatically adjusting the contact area of the bottom surface, improving the stability of equipment, simultaneously contracting a lightning rod with a certain length, improving the stability of the lightning rod, avoiding the lightning rod from being broken and the like, and solves the problems that the lightning arrester is easy to be broken when the wind power is large and the lightning protection of the wind driven generator is influenced because the contact area of the lightning arrester and the wind driven generator is kept unchanged and the stabilizing effect cannot be adjusted according to the change of the wind power.

(II) technical scheme

In order to realize the purposes of automatically adjusting the contact area of the bottom surface, improving the stability of equipment, simultaneously contracting a lightning rod with a certain length, improving the stability of the lightning rod and avoiding the lightning rod from being broken, the utility model provides the following technical scheme: the utility model provides a aerogenerator lightning arrester, includes the base, the upper surface of base rotates and is connected with the pivot, the top of pivot is rotated and is connected with the mounting bracket, the groove has been seted up to the inside of mounting bracket and has been accomodate, the inside sliding connection who accomodates the groove has the lightning rod, the lower extreme fixedly connected with wire of lightning rod, the lateral wall of lightning rod rotates and is connected with the pull rod, the one end fixedly connected with carousel of pivot is kept away from to the mounting bracket, the spout has been seted up to the inside of carousel, the inside sliding connection of spout has the slider, the lateral wall of the horizontal direction of slider rotates and is connected with the support column, the one end fixedly connected with reset spring of support column is kept away from to the slider, the inside sliding connection of slider has the locating piece, the constant head tank has been seted up on the lateral wall of spout, the outer fixed surface of mounting bracket is connected with the flabellum.

Preferably, a threaded hole is formed in the base, a bolt is connected to the inner thread of the threaded hole in a threaded mode, and the base and the top of the wind driven generator can be connected through the bolt in a threaded mode.

Preferably, the length of accomodating the groove is half of lightning rod length, the one end that the lightning rod was kept away from to the wire is connected with ground, and the lightning rod can contract a section length when strong wind weather, reduces its focus, has increased its and supporting mechanism's area of contact, improves stability.

Preferably, the one end rotation connection that the pull rod is kept away from the lightning rod is at the upper surface of slider, and when the slider outwards slided, can drive the lightning rod through the pull rod and move down.

Preferably, the support column comprises two connecting rods that the rotation of each other is connected, and junction fixedly connected with torsional spring of two connecting rods, when the support column stretches out the inside of carousel, the support column can be crooked and with ground contact each other under the effect of torsional spring, increased the area of contact on stabilizing mean and ground.

Preferably, the inside of slider is seted up flutedly, locating piece sliding connection is in the inside of recess, and the locating piece is close to one side fixedly connected with spring of recess bottom, and the other end fixed connection of spring is in the bottom of recess for can contract in the inside of slider when the locating piece does not move to the side of constant head tank, can pop out under the effect of spring when moving to the side of constant head tank.

Preferably, the positioning block and the positioning groove are located on the same horizontal plane, the diameter of the positioning groove is larger than that of the positioning block, and the depth of the positioning groove is larger than the length of the positioning block, so that the positioning block can be meshed with the positioning groove to fix the sliding block at the position.

(III) advantageous effects

Compared with the prior art, the utility model provides a lightning arrester of a wind driven generator, which has the following beneficial effects:

1. this aerogenerator lightning arrester, under the effect of outside wind through the flabellum, through the rotation of mounting bracket drive carousel, the inside slider of carousel slides to the outside under the effect of centrifugal force, the support column can stretch out thereupon this moment to with aerogenerator's top casing mutual contact, lightning arrester's bottom area has been increased, thereby reached and to have improved the effect of lightning arrester stability in strong wind weather, through the area of contact who increases its base.

2. This aerogenerator lightning arrester, through the slip of slider, the slider passes through the pull rod and drives the lightning rod shrink and go into the inside of accomodating the groove, and the length of accomodating the groove is half of lightning rod length to reached and to have increased lightning rod and lightning arrester's area of contact, increased the stability of lightning rod, avoided the effect that the lightning rod was broken in the strong wind weather.

Drawings

Fig. 1 is a schematic front perspective view of a lightning arrester according to the present invention;

fig. 2 is a schematic front sectional view of a lightning arrester according to the present invention;

FIG. 3 is a cross-sectional structural view of the turntable of the present invention;

fig. 4 is a front sectional structural schematic view of the support mechanism of the present invention.

In the figure: 1. a base; 2. a rotating shaft; 3. a mounting frame; 4. a receiving groove; 5. a lightning rod; 6. a wire; 7. a pull rod; 8. a turntable; 9. a chute; 10. a slider; 11. a support pillar; 12. a return spring; 13. positioning blocks; 14. positioning a groove; 15. a fan blade.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a lightning arrester of a wind driven generator comprises a base 1, a threaded hole is formed in the base 1, a bolt is connected to the inner thread of the threaded hole, the bolt can connect the base 1 and the top of the wind driven generator with each other by a thread, a rotating shaft 2 is rotatably connected to the upper surface of the base 1, a mounting frame 3 is rotatably connected to the top end of the rotating shaft 2, a storage groove 4 is formed in the mounting frame 3, the length of the storage groove 4 is half of the length of a lightning rod 5, one end of a wire 6, which is far away from the lightning rod 5, is connected to the ground, the lightning rod 5 can be contracted by a certain length in strong wind weather, the gravity center of the lightning rod is reduced, the contact area between the lightning rod and a supporting mechanism is increased, the stability is improved, the lightning rod 5 is slidably connected to the interior of the storage groove 4, the wire 6 is fixedly connected to the lower end of the lightning rod 5, and a pull rod 7 is rotatably connected to the side wall of the lightning rod 5, one end of the pull rod 7, which is far away from the lightning rod 5, is rotatably connected to the upper surface of the sliding block 10, and when the sliding block 10 slides outwards, the pull rod 7 can drive the lightning rod 5 to move downwards.

One end of the mounting frame 3, which is far away from the rotating shaft 2, is fixedly connected with a rotating disc 8, a sliding groove 9 is formed in the rotating disc 8, a sliding block 10 is connected in the sliding groove 9 in a sliding manner, a groove is formed in the sliding block 10, a positioning block 13 is connected in the groove in a sliding manner, a spring is fixedly connected to one side, which is close to the bottom of the groove, of the positioning block 13, the other end of the spring is fixedly connected to the bottom of the groove, so that the positioning block 13 can be contracted in the sliding block 10 when not moving to the side face of the positioning groove 14 and can be popped out under the action of the spring when moving to the side face of the positioning groove 14, a supporting column 11 is rotatably connected to the horizontal side wall of the sliding block 10, the supporting column 11 is composed of two connecting rods which are rotatably connected with each other, a torsional spring is fixedly connected to the joint of the two connecting rods, and when the supporting column 11 extends out of the rotating disc 8, the supporting column 11 can be bent under the action of the torsional spring and can be contacted with the ground, increased the area of contact of stabilizing mean and ground, slider 10 keeps away from one end fixedly connected with reset spring 12 of support column 11, slider 10's inside sliding connection has locating piece 13, constant head tank 14 has been seted up on spout 9's the lateral wall, locating piece 13 is located same horizontal plane with constant head tank 14, the diameter of constant head tank 14 is greater than the diameter of locating piece 13, the degree of depth of constant head tank 14 is greater than the length of locating piece 13, make locating piece 13 can with constant head tank 14 intermeshing, fix slider 10 in this position, the external fixed surface of mounting bracket 3 is connected with flabellum 15.

When in use, when the wind power in the environment is larger and larger, the fan blades 15 drive the mounting rack 3 to rotate around the rotating shaft 2 under the blowing of the wind, the top end of the mounting rack 3 is fixedly connected with the rotating disk 8, so that the turntable 8 rotates along with the mounting rack 3, the sliding chute 9 is arranged inside the turntable 8, the sliding block 10 inside the sliding chute 9 slides outwards under the action of centrifugal force, when the sliding block 10 slides to the bottom end, the positioning block 13 inside the sliding block 10 can be meshed with the positioning groove 14 inside the side wall of the sliding groove 9 to fix the sliding block 10, the top end of the sliding block 10 is rotatably connected with a supporting column 11, the supporting column 11 rotates under the action of a torsion spring when extending out of the rotary table 8, and the bottom end of the supporting column 11 can be in mutual contact with a top shell of the wind driven generator, so that the contact area between the supporting device and the top shell of the wind driven generator is increased, and the stability of the protection device is improved;

when the slider 10 slides to the outside, the slider 10 pulls the lightning rod 5 to move downwards through the pull rod 7 at the top end of the slider, at the moment, the lightning rod 5 is contracted into the accommodating groove 4, the contact area between the lightning rod 5 and the protection mechanism is increased, the length of the accommodating groove 4 is half of that of the lightning rod 5, the stability of the lightning rod 5 can be improved under the condition that the lightning protection effect is not influenced, and the lightning rod 5 is prevented from being broken by strong wind.

In conclusion, this aerogenerator lightning arrester, under the effect of outside wind through flabellum 15, through the rotation of mounting bracket 3 drive carousel 8, the inside slider 10 of carousel 8 slides to the outside under the effect of centrifugal force, and support column 11 can stretch out thereupon this moment to with aerogenerator's top casing mutual contact, increased lightning arrester's bottom area, thereby reached and to have improved the effect of lightning arrester stability in the strong wind weather through the area of contact who increases its base 1.

This aerogenerator lightning arrester, through the slip of slider 10, slider 10 drives lightning rod 5 through pull rod 7 and contracts the inside of accomodating groove 4, and the length of accomodating groove 4 is half of lightning rod 5 length to reached and to have increased lightning rod 5 and lightning arrester's area of contact, increased lightning rod 5's stability, avoided the effect that lightning rod 5 was broken in the strong wind weather.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a aerogenerator lightning arrester, includes base (1), its characterized in that: the upper surface of the base (1) is rotatably connected with a rotating shaft (2), the top end of the rotating shaft (2) is rotatably connected with a mounting rack (3), a containing groove (4) is formed in the mounting rack (3), a lightning rod (5) is slidably connected in the containing groove (4), a wire (6) is fixedly connected at the lower end of the lightning rod (5), a pull rod (7) is rotatably connected to the side wall of the lightning rod (5), a turntable (8) is fixedly connected at one end, far away from the rotating shaft (2), of the mounting rack (3), a sliding groove (9) is formed in the turntable (8), a sliding block (10) is slidably connected in the sliding groove (9), a supporting column (11) is rotatably connected to the side wall of the sliding block (10) in the horizontal direction, and a reset spring (12) is fixedly connected at one end, far away from the supporting column (11), of the sliding block (10), the inside sliding connection of slider (10) has locating piece (13), constant head tank (14) have been seted up on the lateral wall of spout (9), the surface fixed connection of mounting bracket (3) has flabellum (15).

2. A lightning arrester according to claim 1, characterized in that: the base (1) is internally provided with a threaded hole, and the threaded hole is internally connected with a bolt through threads.

3. A lightning arrester according to claim 1, characterized in that: the length of the accommodating groove (4) is half of the length of the lightning rod (5), and one end, far away from the lightning rod (5), of the wire (6) is connected with the ground.

4. A lightning arrester according to claim 1, characterized in that: and one end of the pull rod (7) far away from the lightning rod (5) is rotatably connected to the upper surface of the sliding block (10).

5. A lightning arrester according to claim 1, characterized in that: the support column (11) is composed of two connecting rods which are connected in a rotating mode, and a torsional spring is fixedly connected to the joint of the two connecting rods.

6. A lightning arrester according to claim 1, characterized in that: a groove is formed in the slider (10), the positioning block (13) is connected to the inside of the groove in a sliding mode, a spring is fixedly connected to one side, close to the bottom of the groove, of the positioning block (13), and the other end of the spring is fixedly connected to the bottom of the groove.

7. A lightning arrester according to claim 1, characterized in that: the positioning block (13) and the positioning groove (14) are located on the same horizontal plane, the diameter of the positioning groove (14) is larger than that of the positioning block (13), and the depth of the positioning groove (14) is larger than the length of the positioning block (13).