CN218347503U

CN218347503U - Fan lightning protection support

Info

Publication number: CN218347503U
Application number: CN202222453470.6U
Authority: CN
Inventors: 王文浩; 蔡广; 潘在松; 刘庆文; 冯宗海; 王瑞远; 王名栋; 金红
Original assignee: Wenchang Wind Power Plant Of Huaneng Hainan Power Generation Co ltd
Current assignee: Wenchang Wind Power Plant Of Huaneng Hainan Power Generation Co ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2023-01-20
Anticipated expiration: 2032-09-16

Abstract

The utility model belongs to the technical field of the wind-powered electricity generation technique and specifically relates to a fan lightning protection support is related to, the motor vehicle suspension structure comprises a support column, support column upper portion can be dismantled with cage lightning protection subassembly and be connected, the center pin of lightning protection subassembly with the center pin of support column is on a straight line, lightning-drawing needle is connected at lightning protection subassembly top. The utility model provides a lightning protection support mounting is firm, when effectively playing lightning protection effect, dismantles simple and conveniently, has reduced the operation degree of difficulty when staff overhauls.

Description

Fan lightning protection support

Technical Field

The utility model belongs to the technical field of the wind-powered electricity generation technique and specifically relates to a fan lightning protection support is related to.

Background

Wind power generation is a clean and sustainable power generation mode, and is being widely applied in recent years. The large wind generating set mainly comprises a tower, an engine room cover, blades and other components, and a complete set of complete lightning protection system is required to be arranged to carry out lightning protection on each component in the process of erection and operation due to the huge structure of the large wind generating set.

The lightning protection support is important component part wherein, but present lightning protection support is mostly in the same place with anemoscope isotructure integral welding, when overhauing the lightning protection support, the lightning protection support can't pass through the manhole door on fan nacelle roof, and the operation personnel need stand and carry out high altitude construction outside the fan nacelle, has very big potential safety hazard.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fan lightning protection support, this fan lightning protection support dismantle simple and conveniently, the operation degree of difficulty when having reduced the staff and having overhauld.

The utility model provides a fan lightning protection support, which comprises a supporting column, support column upper portion can be dismantled with cage lightning protection subassembly and be connected, the center pin of lightning protection subassembly with the center pin of support column is on a straight line, lightning-arrest needle is connected at lightning protection subassembly top.

Preferably, the support column upper portion cover is equipped with the mounting panel, the mounting panel with lightning protection component can dismantle the connection in bottom.

Preferably, the lightning protection assembly comprises three bent pipes, the bent pipes are evenly inserted into the mounting plate, and the central angle between every two adjacent bent pipes is 120 degrees.

Preferably, the upper side and the lower side of the mounting plate are both provided with nuts corresponding to the bent pipes, and the nuts are in threaded connection with the bent pipes.

Preferably, all with sleeve pipe fixed connection the return bend top, the sleeve pipe overlaps in proper order and establishes on the thunder guide needle, the sleeve pipe with the thunder guide needle can be dismantled and be connected.

Preferably, the sleeve is in threaded connection with the lightning rod.

Preferably, the fixed cover in support column top is equipped with first flange, first flange top and second flange can be dismantled and be connected, the anemoscope is connected to second flange top.

Preferably, the anemoscope is sleeved at the top end of the support column, and a jackscrew abutted to the support column is arranged on the side wall of the anemoscope.

Preferably, four arc-shaped mounting grooves are formed in the first flange, the mounting grooves are evenly distributed in the first flange, and the central angle corresponding to each mounting groove is 45 degrees.

Preferably, two positioning pins are vertically arranged above the second flange, and positioning holes are formed in the bottom of the anemoscope corresponding to the positioning pins.

Has the advantages that:

the utility model provides a lightning protection support mounting is firm, when effectively playing the lightning protection effect, dismantles simple and conveniently, has reduced the operation degree of difficulty when the staff overhauls, also transports after the convenient to detach.

Drawings

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

FIG. 1 is a side view of the overall structure of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1;

FIG. 3 is an enlarged view of B in FIG. 1;

fig. 4 is a top view of a first flange of the present invention;

fig. 5 is a top view of a second flange according to the present invention.

Description of the reference numerals:

1-supporting column, 2-bottom plate, 3-reinforcing rib, 4-elbow, 5-anemoscope, 6-lightning rod, 7-sleeve, 8-jackscrew, 9-mounting plate, 10-positioning pin, 11-second flange, 12-first flange, 13-mounting groove and 14-threaded hole.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first" and "second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

As shown in fig. 1-5, a fan lightning protection support comprises a support column 1, a bottom plate 2 is arranged at the bottom of the support column 1 and is connected with a wind turbine generator through the bottom plate 2, and a plurality of reinforcing ribs 3 are arranged between the bottom plate 2 and the support column 1, so that the stability between the bottom plate 2 and the support column 1 is improved.

The upper portion of the support column 1 is sleeved with a mounting plate 9, and the support column 1 is connected with the mounting plate 9 in a welding mode. The mounting plate 9 is circular, and the center of the circle coincides with the center of the support column 1. The mounting plate 9 is detachably connected with the bottom of the lightning protection component. The lightning protection subassembly is cage lightning protection subassembly, and the center pin of lightning protection subassembly and the center pin of support column 1 are on a straight line, and the lightning protection subassembly includes three return bends 4, and return bend 4 bottom is evenly inserted and is established on mounting panel 9, and the central angle between the adjacent return bend 4 is 120. The upper and lower both sides of mounting panel 9 correspond return bend 4 and all are equipped with the nut, and nut and 4 threaded connection of return bend can be dismantled with 4 bottoms of return bend and mounting panel 9 and be connected.

The tops of the three bent pipes 4 are fixedly connected with the sleeve 7, the sleeve 7 is sequentially sleeved on the lightning guide needle 6, the inner wall of the sleeve 7 is attached to the lightning guide needle 6, the sleeve 7 is detachably connected with the lightning guide needle 6, good contact between the bent pipes 4 and the lightning guide needle 6 is guaranteed, and a good lightning protection effect is achieved. The upper end and the lower end of the sleeve 7 are both provided with nuts which are in threaded connection with the lightning-guiding needle 6, and the sleeve 7 is limited between the upper nut and the lower nut. The bent pipes 4 can be sequentially detached during transportation, so that the transportation difficulty is reduced.

Inside mounting panel 9 was passed on 1 top of support column extended into the lightning protection subassembly, the fixed cover in 1 top of support column was equipped with first flange 12, and support column 1 and first flange 12 adopt welded connection. Four arc-shaped mounting grooves 13 are formed in the first flange 12, the mounting grooves 13 are evenly distributed on the first flange 12, and the central angle corresponding to each mounting groove 13 is 45 degrees. A second flange 11 is arranged above the first flange 12, the first flange 12 is connected with the second flange 11 through bolts, and the bolts sequentially penetrate through threaded holes 14 in the second flange 11 and mounting grooves 13 in the first flange 12. The second flange 11 can rotate by taking the mounting groove 13 as a track, so that the direction zero position of the anemoscope 5 is adjusted, and after the direction zero position is determined, bolts for connecting the first flange 12 and the second flange 11 are screwed down, so that the direction zero position offset of the anemoscope 5 is avoided.

An anemoscope 5 is connected above the second flange 11, the anemoscope 5 is sleeved on the top end of the support column 1, the side wall of the anemoscope 5 is provided with a plurality of jackscrews 8 abutted to the support column 1, and the anemoscope 5 and the support column 1 can be fixed together by screwing the jackscrews 8. Two locating pins 10 are vertically arranged above the second flange 11, the height of the locating pin 10 is 40mm, locating holes are formed in the bottom of the anemoscope 5 corresponding to the locating pins 10, the anemoscope 5 is inserted above the second flange 11, and the firmness of the anemoscope 5 can be further improved by the locating pins 10.

The working process is as follows:

sleeving the anemoscope 5 at the top end of the support, inserting the positioning pin 10 on the second flange 11 into the positioning hole, and performing primary limiting on the anemoscope 5; the bolts sequentially penetrate through the threaded holes 14 in the second flange 11 and the mounting grooves 13 in the first flange 12, so that the second flange 11 rotates by taking the mounting grooves 13 as tracks, the direction zero position of the anemoscope 5 is further adjusted, and after the direction zero position is determined, the bolts connecting the first flange 12 and the second flange 11 are screwed down, and the direction zero position offset of the anemoscope 5 is avoided. At this time, the jackscrew 8 penetrates through the side wall of the anemoscope 5 to be abutted against the support column 1, and then the stability between the support column 1 and the anemoscope 5 is improved.

The bent pipe 4 is inserted into the mounting plate 9, the bottom end of the bent pipe 4 is fixedly connected with the mounting plate 9 through nuts, the sleeve 7 at the top of the bent pipe 4 is sequentially sleeved on the lightning guide needle 6, the nuts in threaded connection with the lightning guide needle 6 are arranged at the upper end and the lower end of the sleeve 7, and the sleeve 7 is limited between the upper nut and the lower nut.

The base plate 2 is connected with a target position on the wind turbine generator by bolts, and the fan lightning protection support is installed at the target position.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a fan lightning protection support, its characterized in that, includes the support column, support column upper portion can be dismantled with cage lightning protection subassembly and be connected, the center pin of lightning protection subassembly with the center pin of support column is on a straight line, lightning-arrest needle is connected at the lightning protection subassembly top.

2. The fan lightning protection support according to claim 1, wherein a mounting plate is sleeved on the upper portion of the supporting column, and the mounting plate is detachably connected with the bottom of the lightning protection assembly.

3. A fan lightning protection bracket according to claim 2, wherein the lightning protection assembly comprises three bent tubes, the bent tubes are evenly inserted on the mounting plate, and the central angle between adjacent bent tubes is 120 °.

4. The lightning protection bracket for the fan according to claim 3, wherein nuts are respectively arranged on the upper side and the lower side of the mounting plate corresponding to the bent pipe, and the nuts are in threaded connection with the bent pipe.

5. The fan lightning protection bracket according to claim 3, wherein the top of the elbow is fixedly connected to a sleeve, the sleeve is sequentially sleeved on the lightning guide needle, and the sleeve is detachably connected to the lightning guide needle.

6. The wind turbine lightning protection bracket of claim 5, wherein the sleeve is in threaded connection with the lightning guide pin.

7. The lightning protection bracket for wind driven generators according to claim 1, wherein a first flange is fixedly sleeved on the top of the supporting column, the first flange is detachably connected with a second flange, and an anemometer is connected to the second flange.

8. The lightning protection bracket for the fan according to claim 7, wherein the anemoscope is sleeved on the top end of the support column, and a jackscrew abutted against the support column is arranged on the side wall of the anemoscope.

9. The wind turbine lightning protection bracket according to claim 8, wherein the first flange is provided with four arc-shaped mounting grooves, the mounting grooves are uniformly distributed on the first flange, and a central angle corresponding to each mounting groove is 45 °.

10. The lightning protection bracket for the fan according to claim 9, wherein two positioning pins are vertically disposed above the second flange, and positioning holes are disposed at the bottom of the anemometer corresponding to the positioning pins.