CN214533387U

CN214533387U - Lightning arrester for blade of wind driven generator

Info

Publication number: CN214533387U
Application number: CN202022536073.6U
Authority: CN
Inventors: 田志杰; 刘思奇; 崔钊全; 常珂玮
Original assignee: Hua Zhong State Power Group Co ltd
Current assignee: Hua Zhong State Power Group Co ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-10-29
Anticipated expiration: 2030-11-05

Abstract

The utility model discloses a aerogenerator blade lightning arrester, including lightning arrester main part and metal mesh, the equal fixedly connected with rectangle pole in the below left and right sides of lightning arrester main part and the equal fixed mounting in bottom of rectangle pole have the screw rod, the equal fixed connection in top left and right sides of lightning arrester main part has the recess, the top middle part fixedly connected with screw hole of lightning arrester main part, the inside fixed mounting of metal mesh has bearing and the inside rotation of bearing to be connected with the commentaries on classics piece, the bottom fixedly connected with threaded rod of commentaries on classics piece, the top fixedly connected with bull stick of commentaries on classics piece, the utility model discloses simple structure, modern design very make things convenient for to fix the device on the aerogenerator blade to the convenience is installed the metal mesh on the device.

Description

Lightning arrester for blade of wind driven generator

Technical Field

The utility model relates to a lightning arrester especially relates to a aerogenerator blade lightning arrester.

Background

The lightning arrester is the sum of a lightning receptor, a down conductor, a grounding device, a Surge Protector (SPD) and other connecting conductors. Lightning arresters for buildings are generally divided into two broad categories-external lightning arresters and internal lightning arresters. The external lightning conductor consists of a lightning receptor, a down conductor and a grounding device, namely a traditional lightning conductor. Inside lightning arrester mainly is used for reducing the inside lightning current of building and electromagnetic effect thereof, measures such as adopting electromagnetic shield, equipotential connection and installing Surge Protector (SPD), prevent the harm that thunderbolt electromagnetic pulse probably caused, the utility model relates to a aerogenerator blade lightning arrester.

Patent numbers: CN206429354U discloses a blade lightning arrester of aerogenerator, and this design has increased more area of receiving the sudden strain of a muscle for the apex through adding regional metal mesh layer of apex and metal connecting plate, and when the phenomenon of thunderbolt takes place, each part of metal mesh layer can the effectual electric current that disperses the thunder and lightning to produce, simultaneously through metal connecting plate-apex arrester-lightning conductor-complete machine lightning protection system, leads the thunder and lightning into the ground. Under the high installed environment that thunder and lightning phenomenon frequently sent out, the utility model discloses do not influence the blade outward appearance, do not obviously increase blade weight, do not produce negative effects, the effectual lightning-arrest effect that improves apex arrester is particularly useful for the wind field that the cloud is noble, and district's thunder and lightning phenomenon frequently sent out.

However, the patent has a defect that: 1. the above design device is inconvenient to fix on the wind power generator blade, so improvement is needed. 2. The above design is inconvenient for mounting the wire netting on the device and therefore needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a aerogenerator blade lightning arrester, simple structure, modern design, very convenient fix the device on the aerogenerator blade to the convenience is installed the metal mesh on the device, can effectively solve the problem in the background art.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of aerogenerator blade lightning arrester, including lightning arrester main part and metal mesh, the equal fixed connection in bottom of the equal fixedly connected with rectangle pole in the below left and right sides of lightning arrester main part has the screw rod, the equal fixed connection in top left and right sides of lightning arrester main part has the recess, the top middle part fixedly connected with screw hole of lightning arrester main part, the inside fixed mounting of metal mesh has bearing and the inside rotation of bearing to be connected with the commentaries on classics piece, the bottom fixedly connected with threaded rod of commentaries on classics piece, the top fixedly connected with bull stick of commentaries on classics piece.

Optionally, the outer side wall of the screw rod is connected with a nut in a threaded manner.

Optionally, the left side and the right side of the metal mesh are fixedly connected with bumps.

Optionally, the metal mesh is fixedly provided with a through hole above the bearing.

Optionally, a handle is fixedly connected to the top end of the rotating rod.

The utility model has the advantages as follows:

1. the utility model discloses beat the suitable position of aerogenerator blade and play the rectangle through-hole the same with rectangle pole cross section, beat the back, inject the rectangle pole of lightning arrester main part below in the rectangle through-hole of aerogenerator blade, it is the same with the width of fan generator blade to explain the length of rectangle pole, the screw rod just in time is worn out from the rectangle through-hole on the aerogenerator blade like this, this is clockwise rotation nut, in advancing the screw rod with the nut installation, the nut is along screw rod rebound, the nut slowly upwards supports the back of aerogenerator blade, can install the lightning arrester main part at aerogenerator blade surface ten minutes conveniently, can effectively solve the problem of installing inconvenient fixing on the aerogenerator blade in the background art.

2. The utility model discloses fix back on aerogenerator blade when the lightning arrester main part, aim at the recess with the lug of metal mesh below, the screw hole is aimed at to the threaded rod, aim at and hold up the metal mesh after the completion and do not let it rotate, clockwise rotation handle, the handle drives the rotation of bull stick, the bull stick drives the rotation of commentaries on classics piece, the commentaries on classics piece drives the rotation of threaded rod, the commentaries on classics piece rotates along the bearing is inside simultaneously, the threaded rod is through clockwise rotation installation in the screw hole, at this moment the lug also slowly inserts in the recess, can install the metal mesh in the lightning arrester main part, very conveniently install the metal mesh in the lightning arrester main part, when taking place thunderbolt phenomenon like this, the electric current that the metal mesh can effectual dispersion thunder and lightning produced, thereby reach lightning-arrest effect, can effectively solve inconvenient problem of installing the metal mesh on the device in the background art.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic overall structure diagram of a lightning arrester for a blade of a wind turbine generator according to an embodiment of the present invention;

fig. 2 is an enlarged view of a partial structure a in fig. 1 of a lightning arrester of a wind turbine blade according to an embodiment of the present invention;

fig. 3 is a schematic view of a cross-sectional structure of a connection between a bump and a groove of a lightning arrester of a blade of a wind turbine generator according to an embodiment of the present invention.

In the figure: 1. a lightning arrester main body; 2. a rectangular bar; 3. a screw; 4. a nut; 5. a groove; 6. a threaded hole; 7. a metal mesh; 8. a bearing; 9. rotating the block; 10. a threaded rod; 11. a through hole; 12. a through hole; 13. a rotating rod; 14. a handle.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, 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 efforts belong to the protection scope of the present invention.

A lightning arrester for a blade of a wind turbine generator according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.

Referring to fig. 1, fig. 2 and fig. 3, the utility model provides a pair of aerogenerator blade lightning arrester, including lightning arrester main part 1 and metal mesh 7, the equal fixedly connected with rectangular pole 2 in the below left and right sides of lightning arrester main part 1 and the equal fixed mounting in bottom of rectangular pole 2 have screw rod 3, the equal fixedly connected with recess 5 in the top left and right sides of lightning arrester main part 1, the top middle part fixedly connected with screw hole 6 of lightning arrester main part 1, the inside fixed mounting of metal mesh 7 has bearing 8 and bearing 8 inside to rotate and is connected with commentaries on classics piece 9, the bottom fixedly connected with threaded rod 10 of commentaries on classics piece 9, the top fixedly connected with bull stick 13 of commentaries on classics piece 9.

Referring to fig. 1, the outer side wall of the screw rod 3 is in threaded connection with a nut 4, the nut 4 and the screw rod 3 are in threaded connection, the nut 4 is installed on the screw rod 3 through clockwise rotation, and the nut 4 can be taken down from the screw rod 3 through counterclockwise rotation.

Referring to fig. 1, the left and right sides of the metal mesh 7 are fixedly connected with a bump 11, and the bump 11 and the groove 5 are designed correspondingly.

Referring to fig. 1 and 2, a through hole 12 is fixedly installed above the bearing 8 of the metal mesh 7, and the diameter of the through hole 12 is slightly larger than that of the rotating rod 13, so that the rotating rod 13 can conveniently rotate inside the through hole.

Referring to fig. 1 and 2, a handle 14 is fixedly connected to the top end of the rotating rod 13, and the handle 14 facilitates rotation of the rotating rod 13.

The embodiment of the utility model provides a wind driven generator blade lightning arrester, the appropriate position of the wind driven generator blade is punched with the rectangular through hole with the same cross section as the rectangular rod 2, after punching, the rectangular rod 2 below the lightning arrester main body 1 is inserted into the rectangular through hole of the wind driven generator blade, it needs to be explained that the length of the rectangular rod 2 is the same as the width of the wind driven generator blade, thus the screw rod 3 just penetrates out of the rectangular through hole on the wind driven generator blade, the nut 4 is rotated clockwise, the nut 4 is installed in the screw rod 3, the nut 4 moves upwards along the screw rod 3, the nut 4 slowly supports the back of the wind driven generator blade upwards, the lightning arrester main body 1 can be installed on the surface of the wind driven generator blade very conveniently, after the lightning arrester main body 1 is fixed on the wind driven generator blade, the lug 11 below the metal mesh 7 is aligned with the groove 5, threaded rod 10 is aimed at screw hole 6, hold up metal mesh 7 and do not let it rotate after the completion of aiming at, clockwise rotation handle 14, handle 14 drives the rotation of bull stick 13, bull stick 13 drives the rotation of commentaries on classics piece 9, commentaries on classics piece 9 drives the rotation of threaded rod 10, commentaries on classics piece 9 is along the inside rotation of bearing 8 simultaneously, threaded rod 10 is through clockwise rotation installation into screw hole 6, lug 11 also slowly inserts in the recess 5, can install metal mesh 7 on lightning arrester main part 1, very conveniently install metal mesh 7 on lightning arrester main part 1, when taking place thunderbolt phenomenon like this, the electric current that metal mesh 7 can effectual dispersion thunder and lightning produced, thereby reach lightning-arrest effect.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a aerogenerator blade lightning arrester, includes lightning arrester main part (1) and metal mesh (7), its characterized in that, the equal fixedly connected with rectangular rod (2) in the below left and right sides of lightning arrester main part (1) and the equal fixed mounting in bottom of rectangular rod (2) have screw rod (3), the equal fixed connection in top left and right sides of lightning arrester main part (1) has recess (5), the top middle part fixedly connected with screw hole (6) of lightning arrester main part (1), the inside fixed mounting of metal mesh (7) has bearing (8) and bearing (8) inside to rotate and is connected with commentaries on classics piece (9), the bottom fixedly connected with threaded rod (10) of commentaries on classics piece (9), the top fixedly connected with commentaries on classics pole (13) of commentaries on classics piece (9).

2. A lightning conductor for blades of wind power generators according to claim 1, characterized in that the outer side wall of the screw (3) is threaded with a nut (4).

3. A lightning conductor for wind turbine blades according to claim 1, characterised in that said metallic mesh (7) is fixedly connected with projections (11) on the left and right sides.

4. A lightning conductor for blades of wind power generators according to claim 1, characterized in that the metal mesh (7) is fixedly installed with through holes (12) above the bearing (8).

5. A lightning conductor for blades of wind power generators according to claim 1, characterized in that the top end of the rotating rod (13) is fixedly connected with a handle (14).