A self-cleaning device for wind turbine casing

Abstract

A self-cleaning device for the casing of a wind turbine generator set for wind power generation comprises a first mounting plate and a second mounting plate, a mounting rod is arranged between the first mounting plate and the second mounting plate, a brush and a nozzle are arranged on the mounting rod, a storage groove corresponding to the nozzle is arranged on one side of the wind turbine generator set casing, a liquid inlet pipe is arranged on one side of the mounting rod, one end of the liquid inlet pipe is communicated with the nozzle, a connecting rod group is arranged at one end of the mounting rod, the connecting rod group comprises a first connecting rod and a second connecting rod of equal length, one end of the second connecting rod is hinged to one end of an adjusting rod, a tooth plate is arranged at the edge of the first mounting plate, and a driving gear is arranged on the outer side of the first mounting plate. The present invention can complete the self-cleaning of the casing of the wind turbine generator set, and the nozzle is placed in the storage groove when not in use, which can effectively prevent the nozzle from being blocked and corroded.

Description

Technical Field

[0001] The invention relates to the technical field of mechanical equipment, and in particular to a self-cleaning device for the casing of a wind turbine generator set. Background Art

[0002] Wind turbines are electrical equipment that converts wind energy into mechanical work, which drives the rotor to rotate and finally outputs alternating current. Wind turbines are generally composed of blades, transmission shafts, generators, direction regulators, towers, speed limit safety mechanisms, and energy storage devices.

[0003] Existing wind turbines are generally not equipped with a cleaning device specifically for the casing of the unit, which makes it difficult to clean the dust accumulated when the wind turbine is running for a long time, which affects the aesthetics of the wind turbine casing in the long run. In addition, the heat dissipation of the wind turbine casing decreases due to the accumulation of dust, affecting the working efficiency of the wind turbine. In addition, the cleaning device must also have a simple structure and be easy to control. Therefore, a self-cleaning device for the casing of a wind turbine is needed. Summary of the invention

[0004] In order to solve the technical problems mentioned in the above background technology, an embodiment of the invention provides a self-cleaning device for the casing of a wind turbine generator set for wind power generation, comprising a first mounting plate and a second mounting plate, wherein the first mounting plate is provided with a power transmission shaft of the casing of the wind turbine generator set and one end of a blade, an annular slide rail is provided on the outer side of the casing of the wind turbine generator set, the first mounting plate is rotatably mounted with the casing of the wind turbine generator set through the annular slide rail, the second mounting plate is rotatably mounted with the other end of the casing of the wind turbine generator set where the power transmission shaft and the blade are provided through a rotating shaft, a mounting rod is provided between the first mounting plate and the second mounting plate, a brush and a nozzle are provided on the mounting rod, the nozzle is provided with multiple groups, and the multiple groups of nozzles are equidistantly arranged along the axial direction of the mounting rod, a storage groove corresponding to the nozzle is provided on one side of the casing of the wind turbine generator set, the brush is fixed to the mounting rod through an elastic pad, a liquid inlet pipe is provided on one side of the mounting rod, one end of the liquid inlet pipe is communicated with the nozzle, a connecting rod group is provided at one end of the mounting rod, and the The connecting rod group includes a first connecting rod and a second connecting rod of equal length, the middle parts of the first connecting rod and the second connecting rod are cross-hinged, one end of the first connecting rod is hinged to the first mounting block at the edge of the second mounting plate, the other end of the first connecting rod is hinged to the first sliding block, the first sliding block is arranged in the first sliding groove on the side wall of the mounting rod, the first sliding block is slidably matched with the first sliding groove, one end of the second connecting rod is hinged to one end of the adjusting rod, the other end of the adjusting rod is fixedly connected to one end of the hydraulic telescopic rod, the other end of the second connecting rod is hinged to the second mounting block fixedly installed at the end part inside the first sliding groove, the other end of the hydraulic telescopic rod is arranged on the hydraulic cylinder in the middle of the second mounting plate, one end of the mounting rod close to the first mounting plate is slidably matched with the second sliding groove on the first mounting plate through the second sliding block, the second sliding groove is arranged along the radial direction of the first mounting plate, a toothed plate is arranged at the edge of the first mounting plate, and a driving gear is arranged on the outer side of the first mounting plate.

[0005] Preferably, the first mounting plate is configured in a ring shape, and the second mounting plate is configured in a disc shape.

[0006] Preferably, the other end of the liquid inlet pipe is communicated with the liquid storage tank, a liquid inlet pump is provided in the middle of the liquid inlet pipe, and the liquid inlet pump is fixed to the tower through a clamping plate.

[0007] Preferably, the driving gear cooperates with the toothed plate on the first mounting plate, the middle portion of the driving gear is fixedly connected to the output shaft of the driving motor, and the driving motor is fixed to the end of the wind turbine housing on the inner side of the first mounting plate via a bracket.

[0008] The beneficial effects brought about by the technical solution provided by the embodiment of the invention include at least:

[0009] The present invention controls the hydraulic telescopic rod through a hydraulic cylinder, and controls the distance between the mounting rod and the wind turbine housing through a connecting rod group, so that the nozzle leaves the receiving groove, the surface of the brush is attached to the surface of the wind turbine housing, the liquid inlet pump is started, and the cleaning liquid is sprayed from the nozzle to the wind turbine housing to clean it, and the driving motor is started to control the mounting rod to rotate and move on the outside of the wind turbine housing, so that the nozzle and the brush thereon are brushed around the side of the wind turbine housing, thereby completing the self-cleaning of the wind turbine housing, and the nozzle is placed in the receiving groove when not in use, which can effectively prevent the nozzle from being blocked and corroded. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the technical solutions in the embodiments of the invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0011] Figure 1 It is a schematic diagram of the overall structure of the invention;

[0012] Figure 2 yes Figure 1 A partial enlarged view of the middle part;

[0013] Figure 3 is a schematic diagram of the mounting rod structure;

[0014] Figure 4 is a front view of the first mounting plate;

[0015] Figure 5 It is a side view of the wind turbine casing with the power transmission shaft arranged thereon.

[0016] In the drawings shown, a first mounting plate 1, a second mounting plate 2, a wind turbine housing 3, a power transmission shaft 4, a blade 5, an annular slide rail 6, a mounting rod 7, a brush 8, a nozzle 9, a liquid inlet pipe 10, a liquid storage tank 11, a liquid inlet pump 12, a card plate 13, a first connecting rod 14, a second connecting rod 15, a first mounting block 16, a first slider 17, a first slide groove 18, a hydraulic telescopic rod 19, a second mounting block 20, a hydraulic cylinder 21, a second slider 22, a second slide groove 23, a tooth plate 24, a driving gear 25, a driving motor 26, a bracket 27, a storage groove 28, an elastic pad 29, and an adjusting rod 30. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solutions and advantages of the invention more clear, the embodiments of the invention will be further described in detail below with reference to the accompanying drawings.

[0018] It should be noted that when an element is referred to as being "disposed on" another element, it may be directly on the other element or there may be a central element at the same time. When an element is referred to as being "fixed to" another element, it may be directly connected to the other element or there may be a central element at the same time.

[0019] In the present invention, unless otherwise stated, directional words such as "up, down, left, right" generally refer to Figure 1 "Inside and outside" refer to the inside and outside of a specific outline. "Far and near" refer to the far and near relative to a certain component.

[0020] like Figure 1-3As shown, a self-cleaning device for a wind turbine housing provided by an embodiment of the invention comprises a first mounting plate 1 and a second mounting plate 2, wherein the first mounting plate 1 is arranged in a circular ring shape, and the second mounting plate 2 is arranged in a disc shape, and the first mounting plate 1 is provided with a power transmission shaft 4 of a wind turbine housing 3 and one end of a blade 5, and an annular slide rail 6 is arranged on the outer side of the wind turbine housing 3, and the first mounting plate 1 is rotatably mounted with the wind turbine housing 3 through the annular slide rail 6, and the first mounting plate 1 is arranged in a ring shape so as to be convenient for installation and rotation around the power transmission shaft 4 of the wind turbine, and the second mounting plate 2 and the wind turbine housing 3 are provided with the other end of the power transmission shaft 4 and the blade 5 and are rotatably mounted through a rotating shaft, and a ring is arranged between the first mounting plate 1 and the second mounting plate 2. A mounting rod 7 is provided, on which a brush 8 and a spray head 9 are provided, and the spray head 9 is provided with multiple groups, and the multiple groups of spray heads 9 are equidistantly arranged along the axial direction of the mounting rod 7, and a liquid inlet pipe 10 is provided on one side of the mounting rod 7, one end of the liquid inlet pipe 10 is communicated with the spray head 9, and the other end of the liquid inlet pipe 10 is communicated with a liquid storage tank 11, and a liquid inlet pump 12 is provided in the middle of the liquid inlet pipe 10, through which the liquid in the liquid storage tank 11 can be sprayed out through the spray head 9, and the liquid storage tank 11 can be set at the bottom of the tower or the top of the tower that can be climbed, so as to facilitate the addition of cleaning liquid, and the liquid inlet pump 12 is fixed to the tower through a clamping plate 13, and a connecting rod group is provided at one end of the mounting rod 7, and the connecting rod group includes a first connecting rod 14 and a second connecting rod 15 of equal length, The middle parts of the first connecting rod 14 and the second connecting rod 15 are cross-hinged, one end of the first connecting rod 14 is hinged to the first mounting block 16 at the edge of the second mounting plate 2, the other end of the first connecting rod 14 is hinged to the first slider 17, the first slider 17 is arranged in the first slide groove 18 on the side wall of the mounting rod 7, the first slide groove 18 is axially arranged along the mounting rod 7, the first slider 17 is slidably matched with the first slide groove, one end of the second connecting rod 15 is hinged to one end of the adjusting rod 30, the other end of the adjusting rod 30 is fixedly connected to one end of the hydraulic telescopic rod 19, the other end of the second connecting rod 15 is hinged to the second mounting block 20 fixedly installed at the end inside the first slide groove 18, and the other end of the hydraulic telescopic rod 19 is arranged On the hydraulic cylinder 21 in the middle of the second mounting plate 2, the first slide groove 18 is arranged at one end of the mounting rod 7 close to the second mounting plate 2, and the end of the mounting rod 7 close to the first mounting plate 1 is slidably matched with the second slide groove 23 on the first mounting plate 1 through the second slider 22, and the second slide groove 23 is arranged along the radial direction of the first mounting plate 1. When the mounting rod 7 adjusts the distance with the wind turbine housing 3, the second slider 22 can cooperate with the mounting rod 7 to slide in the second slide groove 23, and the edge of the first mounting plate 1 is provided with a tooth plate 24, and the outer side of the first mounting plate 1 is provided with a driving gear 25, and the driving gear 25 is matched with the tooth plate 24 on the first mounting plate 1, and the middle part of the driving gear 25 is fixedly connected with the output shaft of the driving motor 26.The driving motor 26 is fixed to the end of the wind turbine housing 3 inside the first mounting plate 1 through a bracket 27. Starting the driving motor 26 can control the driving gear 25 to rotate. The driving gear 25 drives the first mounting plate 1 to rotate through the tooth plate 24. The first mounting plate 1 drives the mounting rod 7 to rotate around the side of the wind turbine housing through the second slider 22. A storage groove 28 corresponding to the nozzle 9 is provided on one side of the wind turbine housing 3. The brush 8 is fixed to the mounting rod 7 through an elastic pad 29.

[0021] In the present invention, the hydraulic cylinder 21 can control the length of the hydraulic telescopic rod 19. When the hydraulic telescopic rod 19 is shortened, the hydraulic telescopic rod 19 pulls the end of the second connecting rod 15 to move toward the second mounting plate 2, and the first slider 17 moves toward the inside of the first slide groove 18. The mounting rod 7 is pushed toward the outside of the wind turbine housing 3 through the connecting rod group, thereby increasing the distance between the nozzle 9 and the wind turbine housing 3. In the present invention, the nozzle 9 is placed in the storage groove 28 when not in use, which can effectively prevent the nozzle 9 from being blocked and corroded. The brush 8 and the elastic pad 29 are compressed in the wind turbine housing 3. When cleaning the wind turbine casing 3, the hydraulic cylinder 21 controls the hydraulic telescopic rod 19 to shorten, and the connecting rod group controls the distance between the mounting rod 7 and the wind turbine casing 3, so that the nozzle 9 leaves the receiving groove 28, and the surface of the brush 8 is attached to the surface of the wind turbine casing 3. The liquid inlet pump 12 is started, and the cleaning liquid is sprayed from the nozzle 9 to the wind turbine casing 3 to clean it. The driving motor 26 is started to control the mounting rod 7 to rotate and move on the outside of the wind turbine casing 3, and the nozzle 9 and the brush 8 thereon are brushed around the side of the wind turbine casing.

[0022] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0023] A person skilled in the art will understand that all or part of the steps to implement the above embodiments may be accomplished by hardware or by instructing related hardware through a program, and the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a disk or an optical disk, etc.

[0024] The above description is only a preferred embodiment of the invention and is not intended to limit the invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the invention should be included in the protection scope of the invention.

Claims

1. A self-cleaning device for a wind turbine housing, characterized in that: The invention comprises a first mounting plate and a second mounting plate, wherein the first mounting plate is provided with one end of a wind turbine housing where a power transmission shaft and blades are provided, an annular slide rail is provided on the outer side of the wind turbine housing, the first mounting plate is rotatably mounted with the wind turbine housing through the annular slide rail, the second mounting plate is rotatably mounted with the other end of the wind turbine housing where a power transmission shaft and blades are provided through a rotating shaft, a mounting rod is provided between the first mounting plate and the second mounting plate, a brush and a spray head are provided on the mounting rod, the spray head is provided with multiple groups, and the multiple groups of spray heads are equidistantly arranged along the axial direction of the mounting rod, a storage groove corresponding to the spray head is provided on one side of the wind turbine housing, the brush is fixed to the mounting rod through an elastic pad, a liquid inlet pipe is provided on one side of the mounting rod, one end of the liquid inlet pipe is communicated with the spray head, a connecting rod group is provided at one end of the mounting rod, the connecting rod group comprises a first connecting rod and a second connecting rod of equal length, the first connecting rod and the second connecting rod are provided with a plurality of groups of spray heads, and the plurality of groups of spray heads are arranged equidistantly along the axial direction of the mounting rod, The locking mechanism is a function of the locking cam which is located adjacent the first locking member, and the locking mechanism has a first end that is fixedly secured to the first locking member, the second end of the locking member being secured to the first locking member.

2. A self-cleaning device for a wind turbine casing according to claim 1, characterized in that: The first mounting plate is configured in a circular ring shape, and the second mounting plate is configured in a disc shape.

3. A self-cleaning device for a wind turbine housing according to claim 2, characterized in that: The other end of the liquid inlet pipe is communicated with the liquid storage tank. A liquid inlet pump is arranged in the middle of the liquid inlet pipe, and the liquid inlet pump is fixed on the tower through a clamping plate.

4. A self-cleaning device for a wind turbine casing according to claim 3, characterized in that: The driving gear matches the toothed plate on the first mounting plate, the middle portion of the driving gear is fixedly connected to the output shaft of the driving motor, and the driving motor is fixed to the end of the wind turbine housing on the inner side of the first mounting plate through a bracket.

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