Metal cabin housing assembly of wind driven generator

Abstract

The utility model discloses a wind driven generator metal cabin housing assembly which comprises a tower drum body and a generator set, the top end of the tower drum body is fixedly connected with the generator set, a cabin housing is fixedly installed outside the generator set, and the cabin housing is composed of two opposite parts. Wherein a flow guide groove is formed in the front end of the cabin shell, a flow guide assembly is fixedly installed in the flow guide groove, a heat dissipation hole is formed in the tail of the cabin shell, a heat dissipation fan is fixedly installed at the position, located on the inner wall of the cabin shell, of the heat dissipation hole, and an auxiliary supporting mechanism is fixedly installed at the bottom of the cabin shell. The tower drum is simple in structure and better in stability, the auxiliary supporting mechanism is arranged at the bottom of the cabin shell, meanwhile, the annular fixing block is arranged on the outer wall of the tower drum body, and therefore certain connection stability can be formed through the auxiliary supporting mechanism and the fixing block, and the installation stability of the cabin shell is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of nacelle covers, in particular to a metal nacelle cover component for a wind turbine generator. Background Art

[0002] A wind turbine is a device that converts wind energy into electrical energy. Its basic working principle is to use wind power to drive the windmill blades to rotate, and then transfer mechanical energy to the generator through the transmission device, so that it is converted into electrical energy output. The main components of a wind turbine include the following aspects: Wind rotor: composed of blades, directly interacting with the wind, converting wind kinetic energy into mechanical energy; Cabin: Contains all major components except the wind rotor, usually including speed control device, transmission device, brake device, generator, controller, etc.; Tower: Supports the wind rotor and cabin, and provides sufficient height to obtain more stable wind energy resources; Wind device: Helps the wind rotor align with the wind direction to maximize the capture of wind energy.

[0003] The wind turbine nacelle cover is an important part of the wind turbine generator set. Its function is to protect the key equipment in the nacelle from damage by bad weather (such as rain, dust, and solar ultraviolet rays). The nacelle cover is usually made of light, high-strength, and corrosion-resistant materials, such as fiberglass. However, the current wind turbine nacelle cover is usually directly fixed on the outside of the generator set, while the tower body is fixedly connected to the bottom of the generator set. There is no direct connection mechanism between the nacelle cover and the tower body. At the same time, the existing nacelle cover is large in size and is mostly square near the blade end. It has a certain instability when encountering strong winds and heavy rains. Utility Model Content

[0004] The utility model aims to provide a metal nacelle cover assembly of a wind turbine generator to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a metal nacelle cover assembly of a wind turbine, comprising a tower body and a generator set, the top of the tower body is fixedly connected to the generator set, the outside of the generator set is fixedly installed with a nacelle shell, the nacelle shell is composed of two opposite parts, wherein a guide groove is provided at the front end of the nacelle shell, a guide assembly is fixedly installed in the guide groove, a heat dissipation hole is provided at the rear of the nacelle shell, a cooling fan is fixedly installed at the heat dissipation hole and on the inner wall of the nacelle shell, and an auxiliary support mechanism is fixedly installed at the bottom of the nacelle shell.

[0006] Preferably, the auxiliary support mechanism is composed of a first limit plate, a second limit plate, a fixing block, a ball and a rolling groove, wherein the first limit plate and the second limit plate are both L-shaped semicircular metal blocks.

[0007] Preferably, double mounting holes are provided on one end of the first limiting plate and the second limiting plate, and are respectively fixedly connected below the movable groove at the bottom of the cabin shell by bolts.

[0008] Preferably, the fixing block is an annular metal block structure, wherein the inner wall of the fixing block is integrally fixedly connected to the outer wall of the tower body.

[0009] Preferably, the inner walls of the other ends of the first limiting plate and the second limiting plate and the bottom of the fixed block are provided with arc-shaped rolling grooves, wherein the rolling grooves are semicircular groove structures, and a plurality of balls are placed and rolled in the rolling grooves.

[0010] Preferably, the guide assembly consists of a guide fan and a protective net, wherein the guide fan is fixedly mounted in a mounting frame on the outer wall of the cabin shell, and hollow metal protective nets are fixedly mounted on both sides of the guide fan.

[0011] Preferably, the guide groove is an inclined arc-shaped groove structure, and the guide groove is evenly arranged on the outer walls of the four corners of the cabin shell, wherein one side of the mounting frame is fixedly installed at the center position of the guide groove.

[0012] Preferably, the heat dissipation holes are evenly arranged at the rear portion of the cabin shell, wherein an arc-shaped shielding plate is arranged above the heat dissipation holes and on the outer wall of the cabin shell, and the rear portion of the cabin shell is arranged as an inclined structure.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model has two semicircular limit plates fixedly connected to the outside of the cabin shell, wherein the limit plate is arranged in an L-shaped structure, one end of which is fixedly connected to the bottom of the cabin shell by double bolts, so as to facilitate the stable connection between the limit plate and the cabin shell, and at the same time, a rolling groove with a semicircular groove structure is arranged on the inner wall of the other end of the limit plate, and a fixing block is fixedly arranged on the outer wall of the tower body, and a rolling groove is also arranged at the bottom of the fixing block, wherein a ball is placed between the two rolling grooves, so that not only can the fixing block and the limit plate generate a stable supporting force for the cabin shell, but also the normal rotation of the cabin shell is not affected; wherein guide grooves are opened on the four corners of the front end of the cabin shell, and a mounting frame is fixedly arranged at the center position of the guide groove, and a guide fan is fixedly installed in the mounting frame, so that the guide fan can be used to accelerate the flow of wind, reduce resistance, and maintain the installation stability of the cabin shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2It is a front view of the utility model;

[0017] Figure 3 It is a front view of the cabin shell of the utility model;

[0018] Figure 4 It is a top sectional view of the cabin shell of the utility model;

[0019] Figure 5 It is a top view of the limiting plate of the utility model;

[0020] Figure 6 This is a schematic diagram of the installation of the fixing block of the utility model.

[0021] In the figure: 1. tower body; 2. generator set; 3. cabin shell; 31. guide groove; 32. heat dissipation hole; 302. shielding plate; 33. cooling fan; 34. mounting frame; 4. guide assembly; 41. guide fan; 42. protective net; 5. auxiliary support mechanism; 51. first limit plate; 52. second limit plate; 53. fixing block; 54. ball; 55. rolling groove; 56. mounting hole; 6. movable groove. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-6 The utility model provides a technical solution: a metal nacelle cover assembly of a wind turbine, comprising a tower body 1 and a generator set 2, the top of the tower body 1 is fixedly connected to the generator set 2, and the outside of the generator set 2 is fixedly installed with a nacelle shell 3, so that the bottom of the tower body 1 is stably installed on the ground, thereby stably installing the generator set 2 on the top of the tower body 1, and the nacelle shell 3 can be used to protect the generator set 2.

[0024] The cabin shell 3 is composed of two opposite parts, wherein a guide groove 31 is arranged at the front end of the cabin shell 3, and a guide assembly 4 is fixedly installed in the guide groove 31, wherein the guide assembly 4 is composed of a guide fan 41 and a protective net 42, wherein the guide fan 41 is fixedly installed in a mounting frame 34 on the outer wall of the cabin shell 3, and hollow metal protective nets 42 are fixedly installed on both sides of the guide fan 41, so that the guide fan 41 can be stably supported by the mounting frame 34, and the guide groove 31 is an inclined arc groove structure, and the guide groove 31 is evenly arranged on the outer walls of the four corners of the cabin shell 3, wherein one side of the mounting frame 34 is fixedly installed at the center position of the guide groove 31, so that the guide groove 31 and the guide fan 41 can be used to guide the wind.

[0025] A heat dissipation hole 32 is provided at the rear of the cabin shell 3, and a heat dissipation fan 33 is fixedly installed at the heat dissipation hole 32 and on the inner wall of the cabin shell 3, wherein the heat dissipation holes 32 are evenly arranged at the rear of the cabin shell 3, wherein an arc-shaped shielding plate 302 is provided above the heat dissipation holes 32 and on the outer wall of the cabin shell 3, and the rear of the cabin shell 3 is set as an inclined structure, so that not only can the heat dissipation holes 32 and the heat dissipation fan 33 be used to accelerate the heat output inside the cabin shell 3, but also the shielding plate 302 can be used to protect the heat dissipation holes 32.

[0026] An auxiliary support mechanism 5 is fixedly installed at the bottom of the cabin shell 3, wherein the auxiliary support mechanism 5 is composed of a first limit plate 51, a second limit plate 52, a fixed block 53, a ball 54 and a rolling groove 55, wherein the first limit plate 51 and the second limit plate 52 are both L-shaped semicircular metal blocks, which are convenient for forming a complete cylinder when placed together, and double mounting holes 56 are provided on one end of the first limit plate 51 and the second limit plate 52, and are respectively fixedly connected to the bottom of the movable groove 6 at the bottom of the cabin shell 3 by bolts, thereby enhancing the installation stability of the first limit plate 51 and the second limit plate 52.

[0027] At the same time, the fixed block 53 is an annular metal block structure, wherein the inner wall of the fixed block 53 is integrally fixedly connected to the outer wall of the tower body 1, and further, the inner walls of the other ends of the first limiting plate 51 and the second limiting plate 52 and the bottom of the fixed block 53 are provided with arc-shaped rolling grooves 55, wherein the rolling grooves 55 are semicircular groove structures, and a plurality of balls 54 are placed and rolled in the rolling grooves 55, so that the limiting plates can be rotated on the fixed block 53 through the balls 54.

[0028] Working principle: When the utility model is in use, the tower body 1 is stably installed on the ground, and the generator set 2 is installed in the cabin shell 3. At this time, the cabin shell 3 is lifted by a lifting machine and stably placed on the top of the tower body 1, so that the generator set 2 is further stably installed on the tower body 1. At this time, a number of balls 54 are placed in the rolling grooves 55 on the first limiting plate 51 and the second limiting plate 52, and the first limiting plate 51 and the second limiting plate 52 are correspondingly installed at the bottom of the cabin shell 3, and the balls 54 are connected to the fixed The rolling groove 55 at the bottom of the block 53 allows the ball 54 to roll in the rolling groove 55, which not only can generate a pulling support force on the cabin shell 3 through the fixed block 53 and the limit plate, but also does not affect the normal rotation of the cabin shell 3. Guide grooves 31 are provided at the four front corners of the cabin shell 3, and a mounting frame 34 is fixedly installed in the guide groove 31. At the same time, a guide fan 41 is fixedly installed in the mounting frame 34, which is convenient for guiding the wind and reducing the resistance of the cabin shell 3, thereby further improving the installation stability of the cabin shell 3 and reducing safety hazards.

[0029] 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.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A metal nacelle cover assembly of a wind turbine generator, comprising a tower body (1) and a generator set (2), wherein the top of the tower body (1) is fixedly connected to the generator set (2), and the outside of the generator set (2) is fixedly mounted with a nacelle shell (3), characterized in that: The cabin shell (3) is composed of two opposite parts, wherein a guide groove (31) is provided at the front end of the cabin shell (3), a guide assembly (4) is fixedly installed in the guide groove (31), a heat dissipation hole (32) is provided at the rear end of the cabin shell (3), a heat dissipation fan (33) is fixedly installed in the heat dissipation hole (32) and on the inner wall of the cabin shell (3), and an auxiliary support mechanism (5) is fixedly installed at the bottom of the cabin shell (3).

2. The metal nacelle cover assembly of a wind turbine generator according to claim 1, characterized in that: The auxiliary support mechanism (5) is composed of a first limiting plate (51), a second limiting plate (52), a fixing block (53), a ball (54) and a rolling groove (55), wherein the first limiting plate (51) and the second limiting plate (52) are both L-shaped semicircular metal blocks.

3. The metal nacelle cover assembly of a wind turbine generator according to claim 2, characterized in that: The first limiting plate (51) and the second limiting plate (52) are provided with double mounting holes (56) at one end, and are respectively fixedly connected below the movable groove (6) at the bottom of the cabin shell (3) by bolts.

4. The metal nacelle cover assembly of a wind turbine generator according to claim 3, characterized in that: The fixing block (53) is an annular metal block structure, wherein the inner wall of the fixing block (53) is integrally fixedly connected to the outer wall of the tower body (1).

5. The metal nacelle cover assembly of a wind turbine generator according to claim 4, characterized in that: The inner walls of the other ends of the first limiting plate (51) and the second limiting plate (52) and the bottom of the fixed block (53) are both provided with arc-shaped rolling grooves (55), wherein the rolling grooves (55) are semicircular groove structures, and a plurality of balls (54) are placed in the rolling grooves (55) for rolling.

6. The metal nacelle cover assembly of a wind turbine generator according to claim 5, characterized in that: The air guide assembly (4) is composed of an air guide fan (41) and a protective net (42), wherein the air guide fan (41) is fixedly mounted in a mounting frame (34) on the outer wall of the cabin shell (3), and hollow metal protective nets (42) are fixedly mounted on both sides of the air guide fan (41).

7. The metal nacelle cover assembly of a wind turbine generator according to claim 6, characterized in that: The guide groove (31) is an inclined arc-shaped groove structure, and the guide groove (31) is evenly arranged on the outer walls of the four corners of the cabin shell (3), wherein one side of the mounting frame (34) is fixedly mounted at the center position of the guide groove (31).

8. The metal nacelle cover assembly of a wind turbine generator according to claim 7, characterized in that: The heat dissipation holes (32) are evenly arranged at the rear of the cabin shell (3), wherein an arc-shaped shielding plate (302) is arranged above the heat dissipation holes (32) and on the outer wall of the cabin shell (3), and the rear of the cabin shell (3) is arranged as an inclined structure.

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