CN219492494U - Wind-powered electricity generation blade lightning protection device mounting structure - Google Patents
Wind-powered electricity generation blade lightning protection device mounting structure Download PDFInfo
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- CN219492494U CN219492494U CN202222913150.4U CN202222913150U CN219492494U CN 219492494 U CN219492494 U CN 219492494U CN 202222913150 U CN202222913150 U CN 202222913150U CN 219492494 U CN219492494 U CN 219492494U
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- mounting structure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The utility model relates to a wind power blade lightning protection device mounting structure, wherein an integrally-made mounting part is arranged on the bottom surface of a medium body, two swing plates are hinged at openings at two sides of the mounting part respectively, the inner sides of the two swing plates are hinged with the outer side end parts of a connecting rod respectively, and the inner side end parts of the two connecting rods, which are close to each other, are connected with a lifting part in a follow-up manner. According to the utility model, the screw rod or the rack can drive the swing plates at two sides of the installation part to swing towards the outer side of the installation part through the two connecting rods hinged at the lower end of the screw rod or the rack and clamp the inner wall at the tip of the blade, so that the whole lightning protection device is fixed with the blade, and then the fixing is completed after glue filling and solidification. The lightning protection device has the advantages that the blade and the lightning protection device are integrated, the aerodynamic requirements are met integrally, the blade is convenient to install at the tip of the installed blade, and the damage of high current generated by direct lightning to the blade and other electrical equipment can be effectively avoided.
Description
Technical Field
The utility model belongs to the technical field of lightning protection of wind driven generator blades, and particularly relates to a wind power blade lightning protection device mounting structure.
Background
Wind power generation is an important component of green energy in China, a wind power generator is arranged on a high tower, a plurality of blades are arranged on a rotating shaft of the wind power generator, and the blades rotate under the driving of wind power and drive the wind power generator to generate electric energy. The height of high tower and the length combination back of blade can make the blade have higher height when rotatory to the high point, and general wind power generation is more to be set up in flat, open environment, and higher high extremely easily makes the blade receive the thunderbolt, traditional lightning protection technique can cover the strap at the blade surface, utilizes the strap to lead in ground wire system with the electric charge of thunderbolt, but such lightning-induced mode can make the blade appear damaging, in case damage can make the blade be difficult for repairing, leads to aerogenerator's shut down.
In order to solve the lightning protection problem of the blade, chinese patent CN201710015530.7 discloses a lightning protection device for moving or fixing objects, in this patent application, the positive plate, the dielectric plate, the negative plate and the conductive needle seat are integrated together, the conductive needle at the upper end of the conductive needle seat is utilized to attract thundercloud charges, and plasma generated by discharging between the positive plate and the negative plate is utilized to neutralize the thundercloud charges and ground positive charges respectively, so that the downward passage of the thundercloud is blocked, and the damage of direct lightning to the blade of the wind driven generator is avoided.
In the above structure, how to install the lightning protection device on the blade on site and enable the lightning protection device to be firmly fixed with the blade is a technical problem to be solved urgently.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides an assembling structure of a wind power blade lightning protection device. According to the utility model, a screw rod driven by a worm gear or a rack driven by a gear is arranged in a medium body, the worm rotates to enable a turbine meshed with the screw rod to rotate, the rotation of the turbine enables the screw rod to vertically lift, or the gear directly drives the rack to vertically lift, in either way, the screw rod or the rack can drive swinging plates on two sides of a mounting part to swing towards the outer side of the mounting part through two connecting rods hinged at the lower end of the screw rod or the rack and clamp the inner wall at the tip of a blade, so that the lightning protection device is integrally fixed with the blade, and then the lightning protection device is fixed after glue filling and solidification are completed. The lightning protection device has the advantages that the blade and the lightning protection device are integrated, the aerodynamic requirements are met integrally, the blade is convenient to install at the tip of the installed blade, and the damage of high current generated by direct lightning to the blade and other electrical equipment can be effectively avoided.
The technical scheme adopted by the utility model is as follows:
the utility model provides a wind-powered electricity generation blade lightning protection device mounting structure, includes the dielectric body, is provided with upper polar plate and the lower polar plate of mutual interval respectively in dielectric body upper end and lower extreme, its characterized in that: the bottom surface of the medium body is provided with an integrally-made installation part, two side openings of the installation part are respectively hinged with a swinging plate, the inner sides of the two swinging plates are respectively hinged with the outer side end parts of a connecting rod, and the inner side end parts of the two connecting rods, which are close to each other, are connected with a lifting part in a follow-up way.
Further: the lifting part can descend after the mounting part is inserted into the blade tip opening, and the two swinging plates are clamped on the inner wall of the blade inside the blade tip opening through the connecting rod.
Further: the lifting component comprises a turbine and a screw rod, the turbine is arranged in a bracket arranged in a cavity in the medium body, the screw rod which moves vertically in a lifting way is arranged in the turbine in a rotating way, and the lower end of the screw rod extending into the mounting part is hinged with the inner side end parts of the two connecting rods;
and a worm is arranged beside the bracket and used for driving the turbine to rotate, and when the turbine rotates, the screw rod is lifted and drives the two swing plates to swing through the two connecting rods.
Further: the lifting component comprises a gear and a rack, the rack is arranged in a bracket arranged in a cavity in the medium body, and the lower end of the rack extending into the mounting part is hinged with the inner side end parts of the two connecting rods;
the gear is arranged beside the bracket, and the gear rotates to enable the rack to lift and drive the two swing plates to swing through the two connecting rods.
Further: and a limiting wheel is arranged on the other side, opposite to the gear, above the bracket, and the limiting wheel and the gear are respectively positioned on two sides of the rack.
Further: the front end surface and the rear end surface of the mounting part are provided with holes or grooves, and the bottom surface of the mounting part is provided with holes or grooves.
Further: the upper polar plate and the lower polar plate are sleeved at the upper end and the lower end of the dielectric body at intervals, and the upper polar plate is provided with a flash part.
Further: the medium body is in smooth transition with the outer surface of the blade through the outer surface of the lower polar plate after being connected with the tip of the blade through the mounting part.
Further: the upper polar plate is a conductive cover which is sleeved at the upper end of the dielectric body, the inner surface of the conductive cover is attached to the outer surface of the upper end of the dielectric body, and the side edges of the two sides of the conductive cover are gradually inclined outwards along with the side edges of the two sides of the dielectric body from top to bottom.
The preferable scheme is as follows: the lower polar plate is a conductive sleeve, the conductive sleeve is sleeved at the lower end of the medium body, the inner surface of the conductive sleeve is attached to the outer surface of the lower end of the medium body, and the side edges of the two sides of the conductive sleeve are gradually inclined outwards along with the side edges of the two sides of the medium body from top to bottom.
The preferable scheme is as follows: the bottom of the upper polar plate is provided with a plurality of convex teeth facing the lower polar plate.
The utility model has the advantages and positive effects that:
according to the utility model, a screw rod driven by a worm gear or a rack driven by a gear is arranged in a medium body, the worm rotates to enable a turbine meshed with the screw rod to rotate, the rotation of the turbine enables the screw rod to vertically lift, or the gear directly drives the rack to vertically lift, in either way, the screw rod or the rack can drive swinging plates on two sides of a mounting part to swing towards the outer side of the mounting part through two connecting rods hinged at the lower end of the screw rod or the rack and clamp the inner wall at the tip of a blade, so that the lightning protection device is integrally fixed with the blade, and then the lightning protection device is fixed after glue filling and solidification are completed. The lightning protection device has the advantages that the blade and the lightning protection device are integrated, the aerodynamic requirements are met integrally, the blade is convenient to install at the tip of the installed blade, and the damage of high current generated by direct lightning to the blade and other electrical equipment can be effectively avoided.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic illustration of FIG. 1 assembled with a blade;
FIG. 3 is a schematic view of a drive component including a lead screw;
FIG. 4 is a schematic view of the swing plate of FIG. 3 capturing the inner wall of a blade;
FIG. 5 is a schematic view of the drive member including a rack;
fig. 6 is a schematic view of a lower plate provided with conductive strips or wires.
Detailed Description
The utility model will now be further illustrated by reference to the following examples, which are intended to be illustrative, not limiting, and are not intended to limit the scope of the utility model.
The utility model relates to a wind power blade lightning protection device mounting structure, which comprises a dielectric body 13, wherein an upper polar plate 5 and a lower polar plate 14 which are mutually spaced are respectively arranged at the upper end and the lower end of the dielectric body, and the utility model is innovative in that: an integrally formed mounting portion 15 is provided on the bottom surface of the dielectric body.
The general structure of the mounting portion is: the two end plates 29 positioned at the front end and the rear end are included, the cavity 22 is formed in the medium body, the front end and the rear end of the opening 3 at the lower end of the cavity are integrally formed into the end plate positioned at the front end and the end plate positioned at the rear end, a gap is reserved between the two end plates, in order to improve the connection strength between the two end parts, two sides of the bottom surfaces of the two end parts are respectively connected with a connecting plate 28, the connecting plate can be fixed with the end plates in a common fixing mode such as bonding, screwing and the like, can be integrally formed with the end parts, and can be made of the same material as a blade or other firm and durable materials.
The upper ends of a swinging plate 17 are hinged at the openings at the two sides of the gap between the end plates through swinging plate shafts 26 respectively, the inner sides of the two swinging plates are hinged at the outer side end parts of a connecting rod 25 through connecting rod shafts 27 respectively, and the inner side end parts of the two connecting rods, which are close to each other, are connected with a lifting part in a follow-up mode. The lifting member can be lowered after the mounting portion is inserted into the tip opening 20 of the blade 19 and the two swing plates are caught by the inner wall of the blade inside the tip opening of the blade by the link (as shown in fig. 4).
The front end plate surface and the rear short plate surface of the mounting portion are formed with openings or grooves 16, and the bottom surface of the mounting portion is formed with openings or grooves (the space between the two connecting plates forms the openings or grooves). The holes, the grooves and the gaps between the swing plate and the two end plates are used for filling glue, the glue can fully fill all the positions of the mounting part and all the positions between the mounting part and the inner wall of the blade, and the mounting part and the tip of the blade can be effectively fixed after the glue is solidified.
The lifting member has two structures, and the following description will be given respectively:
1. the lifting parts are shown in figures 1, 2, 3 and 4
The lifting means comprise a turbine 11 and a screw 6. The turbine is disposed in a bracket 12 disposed in a cavity 22 in the medium body (the bracket can be fixed with the inner wall of the medium body in a bonding or screwing manner, etc.), the axial direction of the turbine is a vertical direction in the figure, a screw rod which moves vertically and vertically is disposed in the turbine in a rotating manner, and the lower end of the screw rod extending into the mounting part is hinged with the inner side end parts of the two connecting rods respectively through two shafts 24 which are symmetrically disposed. A worm 2 (the worm is also fixed on the bracket where the turbine is located, details are not shown in the figure) is arranged in the medium cavity beside the bracket, the axial direction of the worm is the approximate longitudinal direction in the figure, the threads on the outer surface of the worm are meshed with the threads on the outer surface of the turbine, the turbine is driven to rotate when the worm rotates, the inner surface of the hole in the center of the turbine is provided with an inner thread which is in screwing fit with the outer threads of the screw, and the screw is driven to swing by the turbine to rotate through the two connecting rods.
As shown in fig. 1, an operation hole 21 is formed in the dielectric body aligned with the front end of the worm shaft 8, the front end of the worm shaft is located inside the operation hole, and a polygonal end is formed on the outer surface of the operation hole or a polygonal groove 9 is formed on the front end of the worm shaft, preferably in a hexagonal shape, the end or groove being provided for facilitating an external tool to clamp the worm shaft and rotate it.
The use process of the lifting component is as follows:
the blade rotates and the tip of the blade is positioned at a downward low point, and an installer removes the tip of the blade by using a saw or other tool according to the size;
inserting the mounting portion into the blade from the blade tip opening 20, the mounting body being in place as shown in fig. 2, the mounting portion having an internal state as shown in fig. 3;
in the figure, a hexagonal groove is formed in the front end face of a worm rotating shaft, an installer clamps the hexagonal groove by using an external hexagonal tool and rotates the tool clockwise, the worm rotating shaft drives a worm to rotate, the worm drives a turbine to rotate, the turbine drives a screw rod to descend, the screw rod respectively drives two connecting rods to descend through shafts 24 symmetrically arranged on two sides of a lower end fixing seat 23, and the connecting rods push two swinging plates to swing towards the outer side of a mounting part until the swinging plates clamp the inner wall of a blade as shown in fig. 4;
at this moment, the lightning protection device is wholly clamped at the tip of the blade, an installer takes down the tool, glue is poured into the blade from the operation hole, the glue enters and fills the installation part, the medium body and between the installation part and the blade through the opening or the slot of the end plate, the openings or the slots of the two connecting plates, the space between the two end plates, the cavity of the medium body and the like, and the lightning protection device and the blade are mutually fixed after the glue is solidified.
In order to improve the bonding degree between the swing plate and the inner wall of the blade, the bonding surface 18 may be formed at the bonding position between the swing plate and the blade, so as to increase the bonding area between the swing body and the inner wall of the blade.
After the fixation is completed, the operation holes are plugged by using materials such as glass fiber cloth, epoxy resin and the like, and the surface of the blade is repaired by using a traditional repairing mode.
2. The lifting member is shown in FIG. 5
The lifting member comprises a gear 30 and a rack 33, which is arranged in a bracket 12 arranged in the cavity 22 in the medium body (the bracket can be fixed with the inner wall of the medium body in an adhesive or screw connection manner, etc.), and the rack is in a vertical direction as shown in the figure. The lower end of the rack extending into the mounting part is sleeved with a fixing seat 23, two shafts 24 are symmetrically arranged on two sides of the fixing seat, and the outer surface of each shaft is hinged with the inner side end part of a connecting rod. The rack is lifted and driven to swing by two connecting rods when the gear rotates.
In order to improve the stability of the rack in vertical movement, a limiting wheel 32 is arranged on the other side, opposite to the gear, above the bracket, and the shaft of the limiting wheel is also longitudinally arranged on the inner wall of the medium body, and the limiting wheel and the gear are respectively positioned on two sides of the rack.
As shown in fig. 1, an operation hole 21 is formed in the dielectric body aligned with the front end portion of the gear shaft 31, the front end portion of the gear shaft is located at the inner side of the operation hole, and a polygonal end portion or a polygonal groove 9 is formed in the outer surface of the front end portion of the gear shaft, preferably a hexagon, which is provided for facilitating an external tool to clamp the gear shaft and rotate it.
The use process of the lifting component is as follows:
the blade rotates and the tip of the blade is positioned at a downward low point, and an installer removes the tip of the blade by using a saw or other tool according to the size;
inserting the mounting portion into the blade from the blade tip opening 20, the mounting body being in place as shown in fig. 5;
in the figure, a hexagonal groove is formed in the front end face of a gear rotating shaft, an installer clamps the hexagonal groove by using an inner hexagonal tool and rotates the tool clockwise, the gear rotating shaft drives a gear to rotate, the gear drives a rack to descend, a screw rod respectively drives two connecting rods to descend through shafts 24 symmetrically arranged on two sides of a lower end fixing seat 23, and the connecting rods push two swing plates to swing towards the outer side of the installation part until the swing plates clamp the inner wall of a blade;
at this moment, the lightning protection device is wholly clamped at the tip of the blade, an installer takes down the tool, glue is poured into the blade from the operation hole, the glue enters and fills the installation part, the medium body and between the installation part and the blade through the opening or the slot of the end plate, the openings or the slots of the two connecting plates, the space between the two end plates, the cavity of the medium body and the like, and the lightning protection device and the blade are mutually fixed after the glue is solidified.
In order to improve the bonding degree between the swing plate and the inner wall of the blade, the bonding surface 18 may be formed at the bonding position between the swing plate and the blade, so as to increase the bonding area between the swing body and the inner wall of the blade.
After the fixation is completed, the operation holes are plugged by using materials such as glass fiber cloth, epoxy resin and the like, and the surface of the blade is repaired by using a traditional repairing mode.
The structure of the lightning protection device is as follows:
the upper electrode plate and the lower electrode plate are sleeved at the upper end and the lower end of the dielectric body at intervals as shown in fig. 1, and a plurality of flash receiving rods (flash receiving parts) can be arranged on the upper electrode plate as shown in fig. 1, and a plurality of flash receiving bulges (flash receiving parts) can also be arranged as shown in fig. 2, 3, 4, 5 and 6. The dielectric body is in smooth transition with the outer surface of the blade through the outer surface of the lower polar plate after being connected with the blade tip through the mounting part. After the dielectric body and the blade are assembled, the whole of the outer surfaces of the lower polar plate, the upper polar plate and the dielectric body between the lower polar plate and the upper polar plate and the outer surface of the blade are approximately the appearance of the blade designed originally.
In order to realize the appearance of the blade in the original design, the side edges of the two sides of the medium body are gradually and outwards inclined from top to bottom and are in smooth transition with the side edges of the blade at the joint.
The upper polar plate 5 is a conductive cover which is sleeved at the upper end of the dielectric body, the inner surface of the conductive cover is attached to the outer surface of the upper end of the dielectric body 13, and the side edges of the two sides of the conductive cover are gradually inclined outwards along with the side edges of the two sides of the dielectric body from top to bottom. The lower polar plate 14 is a conductive sleeve, the conductive sleeve is sleeved at the lower end of the medium body, the inner surface of the conductive sleeve is attached to the outer surface of the lower end of the medium body, and the side edges of the two sides of the conductive sleeve are gradually inclined outwards from top to bottom along with the side edges of the two sides of the medium body.
The outline of each structure is approximately as follows: the conductive cover is shaped like a higher mountain (the projection of which is approximately a higher trapezoid) as shown in the figure, and the conductive sleeve is shaped like a lower mountain (the projection of which is approximately a lower trapezoid) which is wider as shown in the figure. The height of the short mountain-shaped conductive sleeve is approximately 20-30mm, and the longitudinal thickness of each part of the bottom edge below in the figure is the same as the longitudinal thickness of the position where the blade 19 below in the figure is aligned.
If the conductive cover is provided with the lightning receiving bars, a plurality of top lightning receiving bars 4 are arranged on the top edge of the high trapezoid of the conductive cover, two in the figure; a plurality of side flashbars 1 are respectively arranged on two waists of the high trapezoid, and each side is three in the figure. The heights of the top receiving flash rod and the side receiving flash rod are 20-100mm. In addition, as shown in fig. 6, at least one top protrusion 30, one in the figure, may be provided on the top side of the high trapezoid of the conductive shield; a plurality of side flash protrusions 31 are provided on both waists of the high trapezoid, three on each side in the figure.
In order to reduce the weight of the upper plate, a plurality of weight reducing holes 4 or weight reducing grooves may be provided on the conductive cover body of the upper plate as shown in fig. 1. The lower plate may also be provided with lightening holes or grooves to lighten the overall weight (not shown). The upper and lower plates may not be provided with weight reducing holes or grooves as shown in fig. 6.
The gap between the upper polar plate and the lower polar plate is approximately 25-35mm, a plurality of convex teeth 10 facing the lower polar plate are arranged on the bottom surface of the upper polar plate, the tooth heights of the convex teeth are 5-10mm, the tooth pitches are 5-10mm, and gap discharge is formed between the tips of the convex teeth and the lower polar plate.
The upper polar plate, the flash receiving rod and the lower polar plate are made of corrosion-resistant magnesium-aluminum alloy, so that the upper polar plate, the flash receiving rod and the lower polar plate have enough strength and excellent corrosion resistance in weather such as rain, snow, wind and frost. The upper polar plate and the flash receiving rod can also be made of non-metal materials capable of conducting electricity, so long as the lightning cloud charge can be attracted to the convex teeth for discharging. The dielectric body and the mounting body can be made of the same material as the blade, and can also be made of materials such as corrosion-resistant nylon, carbon fiber and the like.
The lower pole plate is provided with a conductive belt 34 or a conductive wire which is mutually connected with the original conductive belt or conductive wire arranged inside the blade, so that a detection module of the wind driven generator can receive the current at the lower pole plate after the charge is neutralized. The installer connects the conductive strip or wire with the conductive strip or wire in the blade, and then installs the installation body.
When the thundercloud approaches the wind driven generator, the lightning receiving rod or the upper electrode rapidly attracts the thundercloud charges and accumulates at the upper polar plate, as the charge quantity is continuously increased, the lower polar plate attracts the ground opposite charges to the lower polar plate through the original conductive belt or conductive wire, as a gap exists between the upper polar plate and the lower polar plate, the cloud charges form a potential difference at the position, when the voltage value between the gaps reaches a set threshold value, pulse discharge is started, high-concentration plasmas are generated while the charges are consumed, excited state plasmas generated at the periphery act on an atmospheric electric field when the wind driven generator operates or stops, and the voltage of the local cloud ground electric field is reduced by the plasmas, so that the local electric field potential is weakened.
The specific charge neutralization principle can be referred to Chinese patent CN201720024082.2 (a lightning protection device for moving or fixed objects), and CN201721413001.4 (equivalent ion resistor Lei Shanyuan, lightning-proof leakage voltage detection device and comprehensive lightning protection system).
According to the utility model, a screw rod driven by a worm gear or a rack driven by a gear is arranged in a medium body, the worm rotates to enable a turbine meshed with the screw rod to rotate, the rotation of the turbine enables the screw rod to vertically lift, or the gear directly drives the rack to vertically lift, in either way, the screw rod or the rack can drive swinging plates on two sides of a mounting part to swing towards the outer side of the mounting part through two connecting rods hinged at the lower end of the screw rod or the rack and clamp the inner wall at the tip of a blade, so that the lightning protection device is integrally fixed with the blade, and then the lightning protection device is fixed after glue filling and solidification are completed. The lightning protection device has the advantages that the blade and the lightning protection device are integrated, the aerodynamic requirements are met integrally, the blade is convenient to install at the tip of the installed blade, and the damage of high current generated by direct lightning to the blade and other electrical equipment can be effectively avoided.
Claims (12)
1. The utility model provides a wind-powered electricity generation blade lightning protection device mounting structure, includes the dielectric body, is provided with upper polar plate and the lower polar plate of mutual interval respectively in dielectric body upper end and lower extreme, its characterized in that: the bottom surface of the medium body is provided with an integrally-made installation part, two side openings of the installation part are respectively hinged with a swinging plate, the inner sides of the two swinging plates are respectively hinged with the outer side end parts of a connecting rod, and the inner side end parts of the two connecting rods, which are close to each other, are connected with a lifting part in a follow-up way.
2. The wind power blade lightning protection device mounting structure according to claim 1, wherein: the lifting part can descend after the mounting part is inserted into the blade tip opening, and the two swinging plates are clamped on the inner wall of the blade inside the blade tip opening through the connecting rod.
3. The wind power blade lightning protection device mounting structure according to claim 1 or 2, wherein: the lifting component comprises a turbine and a screw rod, the turbine is arranged in a bracket arranged in a cavity in the medium body, the screw rod which moves vertically in a lifting way is arranged in the turbine in a rotating way, and the lower end of the screw rod extending into the mounting part is hinged with the inner side end parts of the two connecting rods;
and a worm is arranged beside the bracket and used for driving the turbine to rotate, and when the turbine rotates, the screw rod is lifted and drives the two swing plates to swing through the two connecting rods.
4. The wind power blade lightning protection device mounting structure according to claim 1 or 2, wherein: the lifting component comprises a gear and a rack, the rack is arranged in a bracket arranged in a cavity in the medium body, and the lower end of the rack extending into the mounting part is hinged with the inner side end parts of the two connecting rods;
the gear is arranged beside the bracket, and the gear rotates to enable the rack to lift and drive the two swing plates to swing through the two connecting rods.
5. The wind power blade lightning protection device mounting structure according to claim 4, wherein: and a limiting wheel is arranged on the other side, opposite to the gear, above the bracket, and the limiting wheel and the gear are respectively positioned on two sides of the rack.
6. A wind power blade lightning protection device mounting structure according to claim 3, wherein: the front end surface and the rear end surface of the mounting part are provided with holes or grooves, and the bottom surface of the mounting part is provided with holes or grooves.
7. The wind power blade lightning protection device mounting structure according to claim 4, wherein: the front end surface and the rear end surface of the mounting part are provided with holes or grooves, and the bottom surface of the mounting part is provided with holes or grooves.
8. The wind power blade lightning protection device mounting structure according to claim 1 or 2 or 5 or 6 or 7, wherein: the upper polar plate and the lower polar plate are sleeved at the upper end and the lower end of the dielectric body at intervals, and the upper polar plate is provided with a flash part.
9. The wind power blade lightning protection device mounting structure according to claim 8, wherein: the medium body is in smooth transition with the outer surface of the blade through the outer surface of the lower polar plate after being connected with the tip of the blade through the mounting part.
10. The wind power blade lightning protection device mounting structure according to claim 9, wherein: the upper polar plate is a conductive cover which is sleeved at the upper end of the dielectric body, the inner surface of the conductive cover is attached to the outer surface of the upper end of the dielectric body, and the side edges of the two sides of the conductive cover are gradually inclined outwards along with the side edges of the two sides of the dielectric body from top to bottom.
11. The wind power blade lightning protection device mounting structure according to claim 10, wherein: the lower polar plate is a conductive sleeve, the conductive sleeve is sleeved at the lower end of the medium body, the inner surface of the conductive sleeve is attached to the outer surface of the lower end of the medium body, and the side edges of the two sides of the conductive sleeve are gradually inclined outwards along with the side edges of the two sides of the medium body from top to bottom.
12. The wind power blade lightning protection device mounting structure according to claim 10, wherein: the bottom of the upper polar plate is provided with a plurality of convex teeth facing the lower polar plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222913150.4U CN219492494U (en) | 2022-11-03 | 2022-11-03 | Wind-powered electricity generation blade lightning protection device mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222913150.4U CN219492494U (en) | 2022-11-03 | 2022-11-03 | Wind-powered electricity generation blade lightning protection device mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219492494U true CN219492494U (en) | 2023-08-08 |
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ID=87479099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222913150.4U Active CN219492494U (en) | 2022-11-03 | 2022-11-03 | Wind-powered electricity generation blade lightning protection device mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219492494U (en) |
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2022
- 2022-11-03 CN CN202222913150.4U patent/CN219492494U/en active Active
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