CN221177246U - Fan blade embedded lightning receptor cable structure - Google Patents
Fan blade embedded lightning receptor cable structure Download PDFInfo
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- CN221177246U CN221177246U CN202322837539.XU CN202322837539U CN221177246U CN 221177246 U CN221177246 U CN 221177246U CN 202322837539 U CN202322837539 U CN 202322837539U CN 221177246 U CN221177246 U CN 221177246U
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- fan blade
- locking plate
- lightning receptor
- spring
- seat
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- 238000010276 construction Methods 0.000 claims description 4
- 239000004020 conductor Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a fan blade embedded lightning receptor cable structure, which comprises: the fan blade is provided with an embedded groove on the lower surface, a pressing plate is detachably connected to the inside of the embedded groove, a first spring seat is arranged on the outer surface of the pressing plate, a first locking plate seat is arranged on the outer surface of the pressing plate, a first spring is arranged in the first spring seat, and a first locking plate is movably connected to the inside of the first locking plate seat; the inside in pre-buried groove is provided with the second spring holder, and the inside in pre-buried groove is provided with the second locking board seat, and the inside swing joint in second locking board seat has the locking board two, and the inside of second spring holder is provided with spring two, and the one end fixedly connected with of fan blade meets the flashing device. Through the clamp plate and locking plate one and locking plate two of above-mentioned setting make its realization fix the lightning receptor cable conductor through the elasticity of spring one and spring two for the fan blade is when rotatory effectual avoiding inside cable to receive centrifugal force's influence and lead to pulling the fracture.
Description
Technical Field
The utility model relates to the technical field of fan blade embedded cables, in particular to a fan blade embedded lightning receptor cable structure.
Background
Wind power, which is a clean and stable new energy source, is also one of the fastest growing energy sources in the world in recent years. However, wind turbines are often located at high and open places, and electrical equipment in the wind turbine is concentrated, and these factors cause the wind turbine to be struck by lightning and are affected by the lightning with high risk, so that lightning has become one of important threats affecting the safe operation of the wind turbine.
In the prior art, in a lightning protection system of a fan, a lightning receptor is arranged at the tip of the fan blade, a down-lead is pre-buried in the fan blade, the lightning receptor is connected to the root end of the fan blade through the down-lead, and then the down-lead is further connected to a grounding terminal device outside the fan blade, a cable wire of the lightning receptor is usually connected to the lightning receptor end along the inside of the fan blade at present, but the protection of a cable inside the fan blade is insufficient, and the Chinese patent discloses a "fan blade pre-buried lightning receptor down-lead cable", the application number of which is CN202320244160.5, which comprises an outer sheath layer, an insulating layer, a shielding layer and a conductor from outside to inside through the structure of the cable, wherein the outer sheath layer is formed by extruding a soft-sheath-layer low-temperature resistant and salt-fog-resistant flame-retardant polyvinyl chloride sheath material, and the thickness of which is 1.4 mm-1.8 mm; the insulating layer is formed by extruding thermoplastic elastomer TPE insulating material, and the thickness is 3.0mm; the shielding layer is formed by extruding semiconductive inner shielding cable materials, and the thickness of the shielding layer is 0.8mm; the conductor is a tinned copper conductor formed by tinned copper monofilaments, but the connection between the cable and the fan blade is insufficient to effectively fix the cable when the fan blade rotates.
Disclosure of utility model
The utility model aims to at least solve one of the technical problems in the prior art and provides a fan blade embedded lightning receptor cable structure, which is characterized in that the cable of the lightning receptor is fixed through the pressure plate, the locking plate I and the locking plate II, and the spring I and the spring II, so that the fan blade can effectively avoid the phenomenon that the cable in the fan blade is pulled and broken due to the influence of centrifugal force when rotating.
The utility model also provides a cable structure with the fan blade embedded lightning receptor, which comprises: the fan blade is characterized in that an embedded groove is formed in the lower surface of the fan blade, a pressing plate is detachably connected to the inside of the embedded groove, a first spring seat is arranged on the outer surface of the pressing plate, a first locking plate seat is arranged on the outer surface of the pressing plate, a first spring is arranged in the first spring seat, and a first locking plate is movably connected to the inside of the first locking plate seat; the inside in pre-buried groove is provided with the second spring holder, the inside in pre-buried groove is provided with the second locking board seat, the inside swing joint of second locking board seat has the locking board two, the inside of second spring holder is provided with the spring two, the one end fixedly connected with of fan blade meets the flashing device.
According to the fan blade embedded lightning receptor cable structure disclosed by the utility model, the outer surface of the pressing plate is provided with the screw hole, the screw hole is internally and in threaded connection with the bolt, and the bolt is in threaded connection with the fan blade. So that the pressing plate can be effectively fixed in the embedded groove.
According to the fan blade embedded lightning receptor cable structure, one end of the first spring is fixedly connected with the first locking plate, and one end of the second spring is fixedly connected with the second locking plate. So that it effectively secures the receptor cable.
According to the fan blade embedded lightning receptor cable structure, the outer surfaces of the first locking plate and the second locking plate are respectively provided with the wire pressing grooves, the wire pressing grooves are abutted against the lightning receptor cable, and one end of the lightning receptor cable is fixedly connected with the lightning receptor. So that it is realized to fix the lightning receptor cable.
According to the fan blade embedded lightning receptor cable structure disclosed by the utility model, the connecting part of the pressing plate and the fan blade is provided with the threading hole, and the threading hole penetrates through the whole embedded groove and the outer surface of the pressing plate. So that the lightning receptor cable effectively passes through the threading hole.
According to the fan blade embedded lightning receptor cable structure, a plurality of screw holes are formed, and the screw holes are uniformly distributed on the left side and the right side of the pressing plate. Realizing the fixation of the pressing plate.
According to the fan blade embedded lightning receptor cable structure, a plurality of second locking plate seats are arranged, and the second locking plate seats are distributed in the embedded groove at equal intervals. The kinetic energy reaches the balance state when the whole fan blade rotates.
According to the fan blade embedded lightning receptor cable structure, a plurality of first locking plate seats are arranged, and the plurality of first locking plate seats are distributed on the outer surface of the pressing plate at equal intervals. The kinetic energy of the whole fan blade reaches an equilibrium state when the fan blade rotates.
Advantageous effects
1. Compared with the prior art, the fan blade embedded lightning receptor cable structure has the advantages that the lightning receptor cable is fixed through the pressing plate, the first locking plate and the second locking plate, which are arranged in the prior art, by means of the elastic force of the first spring and the second spring, so that the fan blade is effectively prevented from being pulled and broken due to the influence of centrifugal force on the inner cable when rotating.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is a block diagram of a fan blade embedded lightning receptor cable construction according to the present utility model;
FIG. 2 is a bottom view of a fan blade embedded lightning receptor cable construction according to the present utility model;
FIG. 3 is an exploded view of a fan blade embedded lightning receptor cable construction of the present utility model;
FIG. 4 is a schematic diagram of a pre-buried slot of a fan blade pre-buried lightning receptor cable structure according to the present utility model;
fig. 5 is a schematic diagram of a pressing plate of a cable structure of a fan blade embedded lightning receptor.
Legend description:
1. a fan blade; 2. a pressing plate; 3. a threading hole; 4. a screw hole; 5. a lightning receptor; 6. a pre-buried groove; 7. a bolt; 8. a first locking plate; 9. a first spring; 10. a second locking plate; 11. a second spring; 12. a first spring seat; 13. a first locking plate seat; 14. a second spring seat; 15. and the second locking plate seat.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
Referring to fig. 1-5, an embodiment of the present utility model provides a fan blade embedded lightning receptor cable structure, which includes: the wind power generation device comprises a wind blade 1 and a wind power generation device blade, wherein an embedded groove 6 is formed in the lower surface of the wind blade 1 and used for embedding a lightning receptor cable, a pressing plate 2 is detachably connected in the embedded groove 6 and used for fixing the lightning receptor cable, a first spring seat 12 is arranged on the outer surface of the pressing plate 2 and used for fixing a first spring 9 to enable the first spring to move inside the first spring seat, a first locking plate seat 13 is arranged on the outer surface of the pressing plate 2 and used for installing a first locking plate 8, a first spring 9 is arranged in the first spring seat 12 and used for providing elasticity, and a first locking plate 8 is movably connected in the first locking plate seat 13; the novel lightning arrester is used for fixing a lightning arrester cable, a second spring seat 14 is arranged in the embedded groove 6 and used for installing a second spring 11 to enable the second spring 11 to move inside, a second locking plate seat 15 is arranged in the embedded groove 6 and used for providing a movable space for the second locking plate 10, the second locking plate seat 15 is movably connected with the second locking plate 10 inside and used for fixing the lightning arrester cable, a second spring seat 14 is arranged inside the second spring seat 14, one end of the fan blade 1 is fixedly connected with the lightning arrester 5 and used for lightning protection.
The surface of clamp plate 2 is provided with screw 4 for install bolt 7, and the inside threaded connection of screw 4 has bolt 7, and bolt 7 and fan blade 1 threaded connection. One end of the first spring 9 is fixedly connected with the first locking plate 8, and one end of the second spring 11 is fixedly connected with the second locking plate 10. The outer surfaces of the first locking plate 8 and the second locking plate 10 are respectively provided with a wire pressing groove, the wire pressing grooves are abutted against the lightning receptor cable, and one end of the lightning receptor cable is fixedly connected with the lightning receptor 5. The junction of clamp plate 2 and fan blade 1 is provided with through wires hole 3, and through wires hole 3 runs through whole embedded groove 6 and clamp plate 2, and screw 4 is provided with a plurality of, and a plurality of screw 4 evenly distributed are in the left and right sides of clamp plate 2. The second locking plate seats 15 are provided with a plurality of second locking plate seats 15 which are distributed in the embedded groove 6 at equal intervals. The first locking plate seats 13 are provided in plurality, and the first locking plate seats 13 are distributed on the outer surface of the pressing plate 2 at equal intervals.
Working principle: install the inside at the inside second spring holder 14 of embedded groove 6 with spring two 11, install the locking plate two 10 in the inside of second locking plate seat 15 to interconnect with spring two 11, install the inside at first spring holder 12 with spring one 9, install the inside at first locking plate seat 13 with locking plate one 8, install the flash receiver 5 on fan blade 1, and with flash receiver cable and flash receiver 5 fixed connection, fix it through threading hole 3 with locking plate one 8 and locking plate two 10, fix clamp plate 2 in the inside of embedded groove 6 through bolt 7.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (8)
1. The utility model provides a pre-buried lightning receptor cable construction of fan blade, its characterized in that includes:
the novel fan blade comprises a fan blade (1), wherein an embedded groove (6) is formed in the lower surface of the fan blade (1), a pressing plate (2) is detachably connected to the inside of the embedded groove (6), a first spring seat (12) is arranged on the outer surface of the pressing plate (2), a first locking plate seat (13) is arranged on the outer surface of the pressing plate (2), a first spring (9) is arranged in the first spring seat (12), and a first locking plate (8) is movably connected to the inside of the first locking plate seat (13);
The novel fan blade is characterized in that a second spring seat (14) is arranged in the embedded groove (6), a second locking plate seat (15) is arranged in the embedded groove (6), a second locking plate (10) is movably connected to the second locking plate seat (15), a second spring seat (11) is arranged in the second spring seat (14), and a lightning receptor (5) is fixedly connected to one end of the fan blade (1).
2. The fan blade embedded lightning receptor cable structure according to claim 1, characterized in that the outer surface of the pressing plate (2) is provided with a screw hole (4), the inner thread of the screw hole (4) is connected with a bolt (7), and the bolt (7) is in threaded connection with the fan blade (1).
3. The fan blade embedded lightning receptor cable structure according to claim 1, wherein one end of the first spring (9) is fixedly connected with the first locking plate (8), and one end of the second spring (11) is fixedly connected with the second locking plate (10).
4. The fan blade embedded lightning receptor cable structure according to claim 1, wherein the outer surfaces of the first locking plate (8) and the second locking plate (10) are respectively provided with a wire pressing groove, the wire pressing grooves are abutted against the lightning receptor cable, and one end of the lightning receptor cable is fixedly connected with the lightning receptor (5).
5. The fan blade embedded lightning receptor cable structure according to claim 1, wherein a threading hole (3) is formed at the joint of the pressing plate (2) and the fan blade (1), and the threading hole (3) penetrates through the whole embedded groove (6) and the outer surface of the pressing plate (2).
6. The fan blade embedded lightning receptor cable structure according to claim 1, wherein a plurality of screw holes (4) are provided, and the screw holes (4) are uniformly distributed on the left side and the right side of the pressing plate (2).
7. The fan blade embedded lightning receptor cable structure according to claim 1, wherein a plurality of second locking plate seats (15) are provided, and a plurality of second locking plate seats (15) are equidistantly distributed in the embedded groove (6).
8. The fan blade embedded lightning receptor cable structure according to claim 1, wherein a plurality of first locking plate seats (13) are arranged, and the plurality of first locking plate seats (13) are equidistantly distributed on the outer surface of the pressing plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322837539.XU CN221177246U (en) | 2023-10-23 | 2023-10-23 | Fan blade embedded lightning receptor cable structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322837539.XU CN221177246U (en) | 2023-10-23 | 2023-10-23 | Fan blade embedded lightning receptor cable structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221177246U true CN221177246U (en) | 2024-06-18 |
Family
ID=91533227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322837539.XU Active CN221177246U (en) | 2023-10-23 | 2023-10-23 | Fan blade embedded lightning receptor cable structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221177246U (en) |
-
2023
- 2023-10-23 CN CN202322837539.XU patent/CN221177246U/en active Active
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