CN219549036U - Wind power gear box fixing device - Google Patents

Abstract

The utility model provides a wind power gear box fixing device, which comprises a base body, wherein the base body comprises: the first support platform is provided with a first support surface, and the first support surface is used for supporting a gear ring of the wind power gear box; the second support platform and the first support platform are arranged at intervals along the axial direction of the wind power gear box, and the second support platform is provided with a second support surface which is used for supporting the rear box body of the wind power gear box; the connecting part is arranged between the first supporting platform and the second supporting platform, one end of the connecting part is connected with the first supporting platform, and the other end of the connecting part is connected with the second supporting platform; the wind power gear box fixing device further comprises a positioning structure, the positioning structure is arranged on the seat body, and the positioning structure is used for limiting the position of the wind power gear box in the axial direction. By the technical scheme provided by the utility model, the problem that the fixing device is very complicated in installation and disassembly in the prior art can be solved.

Description

Wind power gear box fixing device

Technical Field

The utility model relates to the technical field of gearbox transportation, in particular to a wind power gearbox fixing device.

Background

With the development of the wind power industry, the megawatt level of a wind power gear box is higher and the weight is larger. The wind power gear box generally comprises a front box body, a gear ring and a rear box body which are sequentially arranged, a torque arm is arranged on the front box body, supporting legs are arranged at the bottom of the front box body, and supporting legs are also arranged at the bottom of the rear box body. The wind power gear box on land is generally applied to wind power generation sets installed on mountain tops in remote mountain areas, so that stability of the wind power gear box needs to be ensured in the transportation process of the wind power gear box.

Currently, in the prior art, chinese patent with the publication number CN213511995U discloses a wind power gear box fixing device, which includes a mounting chassis and two first positioning components, wherein the two first positioning components are disposed on the mounting chassis at intervals, so as to be connected with two torque arms of the gear box respectively, so as to fix the gear box on the mounting chassis. However, the device has a large number of parts, a complex structure, and great difficulty in machining or assembling, and is very complicated in installation and disassembly.

Disclosure of Invention

The utility model provides a fixing device for a wind power gear box, which aims to solve the problem that the fixing device is very complicated in installation and disassembly in the prior art.

The utility model provides a wind power gear box fixing device, which comprises a base body, wherein the base body comprises: the first support platform is provided with a first support surface, and the first support surface is used for supporting a gear ring of the wind power gear box; the second support platform and the first support platform are arranged at intervals along the axial direction of the wind power gear box, and the second support platform is provided with a second support surface which is used for supporting the rear box body of the wind power gear box; the connecting part is arranged between the first supporting platform and the second supporting platform, one end of the connecting part is connected with the first supporting platform, and the other end of the connecting part is connected with the second supporting platform; the wind power gear box fixing device further comprises a positioning structure, the positioning structure is arranged on the seat body, and the positioning structure is used for limiting the position of the wind power gear box in the axial direction.

Further, the extending direction of the first supporting platform is perpendicular to the axial direction of the wind power gear box, and the wind power gear box fixing device comprises: the two first connecting pieces are arranged on the first supporting platform at intervals along the length direction of the first supporting platform, are respectively located at two ends of the first supporting surface, and are respectively connected with two end parts of the binding belt so that the binding belt binds the wind power gear box.

Further, the first support platform includes: a first body portion having a first support surface; the two first connecting plates are respectively arranged at two end parts of the first body part, the top surface of the first connecting plate is lower than the top surface of the first body part, and the two side parts of the first connecting plate are upwards bent along the width direction of the first body part to form two first bending parts; the first connecting pieces are arranged in one-to-one correspondence with the first connecting plates, two ends of each first connecting piece are connected with the two first bending parts respectively, and a first gap for the binding belt to penetrate is formed between the peripheral surface of each first connecting piece and the top surface of each first connecting plate.

Further, the extending direction of the second supporting platform is perpendicular to the axial direction of the wind power gear box, and the wind power gear box fixing device comprises: the two second connecting pieces are arranged on the second supporting platform at intervals along the length direction of the second supporting platform, the two second connecting pieces are respectively located at two ends of the second supporting surface, and two ends of the two second connecting pieces are respectively connected with two ends of the binding belt so that the binding belt is bound with the rear box body of the wind power gear box.

Further, the second support platform includes: the second body part is provided with a second supporting surface; the two second connecting plates are respectively arranged at two end parts of the second body part, the top surface of the second connecting plate is lower than the top surface of the second body part, and the two side parts of the second connecting plate are upwards bent along the width direction of the second body part to form a second bending part; the second connecting pieces are arranged in one-to-one correspondence with the second connecting plates, two ends of each second connecting piece are connected with the two second bending parts respectively, and a second gap for the binding belt to penetrate is formed between the peripheral surface of each second connecting piece and the top surface of each second connecting plate.

Further, the seat body further includes: the third supporting platform is arranged on one side, far away from the connecting part, of the first supporting platform and is provided with a third supporting surface, and the third supporting surface is used for supporting the front box body of the wind power gear box.

Further, the positioning structure comprises a first positioning structure and a second positioning structure; the first positioning structure is arranged on the third supporting platform, and can position the front box body of the wind power gear box so as to prevent the wind power gear box from moving along the direction from the front end to the rear end of the base body or prevent the wind power gear box from moving along the direction from the rear end to the front end of the base body; the second location structure sets up on second supporting platform, and the second location structure can fix a position the back box of wind-powered electricity generation gear box to prevent that wind-powered electricity generation gear box from moving along the front end of pedestal to the direction of rear end, or prevent that wind-powered electricity generation gear box from moving along the direction of rear end of pedestal to front end.

Further, the wind power gear box fixing device further comprises: the stop part is arranged on the top surface of the third supporting platform and is close to the first end, far away from the first supporting platform, of the third supporting platform and is used for being matched with a front box body supporting leg stop of the wind power gear box so as to prevent the wind power gear box from moving relative to the base body along the direction from the rear end to the front end of the base body.

Further, the second positioning structure is a positioning groove, and the positioning groove is used for embedding a rear box body supporting leg of the wind power gear box so as to limit the wind power gear box to move along the length direction of the base body.

Further, the first supporting platform comprises a first body part and first reinforcing ribs, the first body part is provided with a first supporting surface, the first body part is of a hollow structure, and the first reinforcing ribs are arranged in the first body part so as to ensure the structural strength of the first body part in the vertical direction; and/or the second supporting platform comprises a second body part and second reinforcing ribs, the second body part is provided with a second supporting surface, the second body part is of a hollow structure, and the second reinforcing ribs are arranged in the second body part so as to ensure the structural strength of the second body part in the vertical direction.

By applying the technical scheme of the utility model, the seat body has a simple structure, fewer parts and simple process when the seat body is assembled and disassembled. Specifically, first supporting platform and second supporting platform are two whole that mutually independent set up, and first supporting platform and second supporting platform can support wind-powered electricity generation gear box's ring gear and back box respectively, during the assembly, as long as with the both ends of connecting portion respectively with first supporting platform and second supporting platform be connected. After the wind power gear box is placed on the seat body, the wind power gear box is positioned through the positioning structure, so that the wind power gear box is prevented from moving relative to the seat body along the axis direction, and the stability of the wind power gear box in the transportation process is ensured. In the traditional technical scheme, the wind power gear box fixing device is complex in structure, more in parts, higher in difficulty in machining or assembling, and very complex in installation and disassembly processes. In the device, the first supporting platform and the second supporting platform are of platform structures, the structures of the first supporting platform and the second supporting platform are regular, and the first supporting platform and the second supporting platform are convenient to connect with the connecting part.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 shows a schematic structure of a wind power gearbox fixing device provided by the utility model;

FIG. 2 shows a top view of a wind turbine gearbox securing device provided by the present utility model;

FIG. 3 shows a side view of a wind turbine gearbox securing device provided by the present utility model;

FIG. 4 shows a cross-sectional view of A-A in FIG. 3;

fig. 5 shows a cross-sectional view of B-B in fig. 3.

Wherein the above figures include the following reference numerals:

10. a first support platform;

11. a first body portion; 111. a first reinforcing rib; 12. a first connection plate; 121. a first bending part;

20. a second support platform; 201. a positioning groove;

21. a second body portion; 211. a second reinforcing rib; 22. a second connecting plate; 221. a second bending part;

30. a connection part;

31. a first connecting rod; 311. a hanging ring; 32. a second connecting rod;

40. a first connector;

50. a second connector;

60. a third support platform; 61. a stop.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 5, an embodiment of the present utility model provides a wind power gearbox fixing device, which includes a base and a positioning structure. The base body includes a first support platform 10, a second support platform 20, and a connection portion 30. The first support platform 10 has a first support surface for supporting a ring gear of the wind power gearbox. The second supporting platform 20 and the first supporting platform 10 are arranged at intervals along the axial direction of the wind power gear box, the second supporting platform 20 is provided with a second supporting surface, and the second supporting surface is used for supporting the rear box body of the wind power gear box. The connection part 30 is disposed between the first support platform 10 and the second support platform 20, one end of the connection part 30 is connected with the first support platform 10, and the other end of the connection part 30 is connected with the second support platform 20. The positioning structure is arranged on the seat body and used for limiting the position of the wind power gear box in the axial direction.

By applying the technical scheme of the utility model, the seat body has a simple structure, fewer parts and simple process when the seat body is assembled and disassembled. Specifically, the first supporting platform 10 and the second supporting platform 20 are two integral bodies which are mutually independent, the first supporting platform 10 and the second supporting platform 20 can respectively support the gear ring and the rear box body of the wind power gear box, and during assembly, only two ends of the connecting part 30 are respectively connected with the first supporting platform 10 and the second supporting platform 20. After the wind power gear box is placed on the seat body, the wind power gear box is positioned through the positioning structure, so that the wind power gear box is prevented from moving relative to the seat body along the axis direction, and the stability of the transportation process of the wind power gear box is ensured. In the traditional technical scheme, the wind power gear box fixing device is complex in structure, more in parts, higher in difficulty in machining or assembling, and very complex in installation and disassembly processes. In the device of the present utility model, the first support platform 10 and the second support platform 20 have a platform structure, which is more regular in structure and more convenient to connect with the connection part.

In the present embodiment, the connection manner of the first support platform 10 and the connection portion 30 and the connection manner of the second support platform 20 and the connection portion 30 are not limited, and may be performed by a fastener or by welding.

Specifically, in this embodiment, the first supporting surface is an arc surface, which is coaxially disposed with the wind power gear box, and the first supporting surface supports the ring gear of the wind power gear box. By the arrangement, the contact area between the first supporting surface and the peripheral surface of the gear ring of the wind power gear box can be ensured, and the stability of the first supporting platform 10 for supporting the wind power gear box can be ensured.

As shown in fig. 1, specifically, the extending direction of the first supporting platform 10 is perpendicular to the axial direction of the wind power gear box, the wind power gear box fixing device includes two first connecting pieces 40, the two first connecting pieces 40 are arranged on the first supporting platform 10 at intervals along the length direction of the first supporting platform 10, the two first connecting pieces 40 are respectively located at two ends of the first supporting surface, and the two first connecting pieces 40 are respectively connected with two ends of the binding belt so that the wind power gear box is bound by the binding belt. The arrangement of the two first connectors 40 can be matched with the binding bands to bind the wind power gear box, so that the stability of the wind power gear box during transportation of the wind power gear box is further ensured.

In this embodiment, the first support platform 10 includes a first body portion 11 and two first connection plates 12. The first body 11 has a substantially rectangular parallelepiped shape as a whole, and the top surface of the first body 11 has a first support surface, and the axial direction of the first support surface is perpendicular to the longitudinal direction of the first body 11. The two first connecting plates 12 are respectively arranged at two ends of the first body part 11, the bottom surface of the first connecting plate 12 is flush with the bottom surface of the first body part 11, and the top surface of the first connecting plate 12 is lower than the top surface of the first body part 11. The first connecting plate 12 and the first body portion 11 are integrally formed, and thus the stability of connection between the first connecting plate 12 and the first body portion 11 can be ensured. Along the width direction of the first body portion 11, both side portions of the first connecting plate 12 are bent upward and two first bent portions 121 are formed. The first connecting pieces 40 are arranged in one-to-one correspondence with the first connecting plates 12, two ends of the first connecting pieces 40 are respectively connected with the two first bending parts 121, and a first gap for the binding belt to penetrate is formed between the peripheral surface of the first connecting piece 40 and the top surface of the first connecting plate 12. The first connecting piece 40 has a rod-shaped structure, and two ends of the first connecting piece 40 are respectively welded and matched with the side walls of the two first bending parts 121, which are close to each other. Specifically, when the wind power gear box is bound by the binding belt, the binding belt is lapped on the upper peripheral surface of the wind power gear box, and two ends of the binding belt are respectively connected with the two first connecting pieces 40. The above arrangement is simple in structure and facilitates the connection of the strap with the first connector 40.

Further, the extending direction of the second support platform 20 is perpendicular to the axial direction of the wind power gearbox, and the wind power gearbox fixing device includes: the two second connecting pieces 50 are arranged on the second supporting platform 20 at intervals along the length direction of the second supporting platform 20, the two second connecting pieces 50 are respectively located at two ends of the second supporting surface, and two ends of the two second connecting pieces 50 are respectively connected with two end parts of the binding belt so that the binding belt is bound with a rear box body of the wind power gear box. The arrangement of the two second connecting pieces 50 can be matched with the binding bands to bind the wind power gear box, and the two binding bands are arranged along the axis direction of the wind power gear box to bind the wind power gear box, so that the stability in the transportation process of the wind power gear box is further guaranteed.

Specifically, the second support platform 20 includes a second body portion 21 and two second connection plates 22. The second body 21 has a substantially rectangular parallelepiped shape as a whole, and the second body 21 is parallel to the first body 11. The second body portion 21 has a second support surface, which is a plane, for supporting the rear case support leg of the wind power gearbox. The two second connecting plates 22 are respectively arranged at two end parts of the second body part 21, the second connecting plates 22 are in a rectangular plate-shaped structure, the second connecting plates 22 and the second body part 21 are in an integrated structure, the bottom surface of each second connecting plate 22 is flush with the bottom surface of each second body part 21, the top surface of each second connecting plate 22 is lower than the top surface of each second body part 21, and two side parts of each second connecting plate 22 are upwards bent along the width direction of each second body part 21 to form a second bending part 221; the second connecting pieces 50 are arranged in one-to-one correspondence with the second connecting plates 22, two ends of each second connecting piece 50 are respectively connected with two second bending parts 221, and a second gap for the binding belt to penetrate is formed between the peripheral surface of each second connecting piece 50 and the top surface of each second connecting plate 22. The second connecting piece 50 has a rod-shaped structure, and two ends of the second connecting piece 50 are respectively welded with the side walls of the two second bending parts 221, which are close to each other. When the rear box body of the wind power gear box is bound by the binding belt, the binding belt is lapped on the upper surface of the wind power gear box, and two ends of the binding belt are respectively connected with the two second connecting pieces 50. The above arrangement is simple in structure and facilitates connection of the strap to the second connector 50.

As shown in fig. 1 to 3, further, the base further includes a third support platform 60, the third support platform 60 is disposed on a side of the first support platform 10 away from the connection portion 30, and the third support platform 60 has a third support surface for supporting a front case of the wind power gearbox. In this embodiment, the third support platform 60 is substantially rectangular, the length direction of the third support platform 60 is the same as the length direction of the first support platform 10, and the third support plane is a plane. The third support platform 60 may be connected to the first support platform 10 by a fastener, or may be connected to the first support platform 10 by welding. The first supporting platform 10, the second supporting platform 20 and the third supporting platform 60 respectively support the gear ring in the middle of the wind power gear box, the rear box body of the wind power gear box and the front box body of the wind power gear box, so that the arrangement can ensure the uniformity of gravity sharing of the wind power gear box, ensure the uniformity of the stress of the seat body and ensure the service life of the seat body.

In this embodiment, the positioning structure includes a first positioning structure and a second positioning structure; the first positioning structure is arranged on the third supporting platform 60, and the first positioning structure can position the front box body of the wind power gear box so as to prevent the wind power gear box from moving along the direction from the front end to the rear end of the base body or prevent the wind power gear box from moving along the direction from the rear end to the front end of the base body; the second positioning structure is arranged on the second supporting platform 20, and the second positioning structure can position the rear box body of the wind power gear box so as to prevent the wind power gear box from moving along the direction from the front end to the rear end of the base body or prevent the wind power gear box from moving along the direction from the rear end to the front end of the base body. The first positioning structure and the second positioning structure are distributed at intervals along the length direction of the seat body, so that the stability of positioning the wind power gear box can be further guaranteed.

Further, the wind power gear box fixing device further comprises a stop portion 61, wherein the stop portion 61 is arranged on the top surface of the third supporting platform 60 and is close to the first end, far away from the first supporting platform 10, of the third supporting platform 60, and the stop portion 61 is used for being in stop fit with a front box body supporting leg of the wind power gear box so as to prevent the wind power gear box from moving relative to the base body in the direction from the rear end to the front end of the base body. The stopper 61 forms a first positioning structure. In this embodiment, the stop portion 61 and the third supporting platform 60 are integrally formed, so that the stability of the connection between the stop portion 61 and the third supporting platform 60 can be ensured.

Further, the top surface of the third supporting platform 60 is lower than the top surface of the first supporting platform 10, the third supporting platform 60 and the first supporting platform 10 form a ladder structure, and the arrangement is such that the side surface of one side of the first supporting platform 10, which is close to the third supporting platform 60, can limit the front box body supporting leg of the wind power gear box, and the wind power gear box is prevented from moving along the direction from the front end to the rear end of the seat body.

As shown in fig. 1 and 2, specifically, the second positioning structure is a positioning groove 201, where the positioning groove 201 is used to embed a rear box supporting leg of the wind power gear box so as to limit the wind power gear box to move along the length direction of the base. In this embodiment, two positioning slots 201 are disposed at intervals along the length direction of the second support platform 20. Specifically, two sets of positioning protrusions are arranged at the top of the second support platform 20, the two sets of positioning protrusions are arranged at intervals along the length direction of the second support platform 20, two positioning protrusions are arranged at intervals along the width direction of the second support platform 20, the positioning protrusions are integrally connected with the second support platform 20, and a positioning groove 201 is formed in the space between each set of positioning protrusions. The above arrangement can ensure convenience of molding of the positioning groove 201 and stability of connection of the positioning protrusion and the second support platform 20.

As shown in fig. 3 to 5, specifically, the first support platform 10 includes a first body portion 11 and a first reinforcing rib 111, the first body portion 11 has a first support surface, the first body portion 11 is a hollow structure, and the first reinforcing rib 111 is disposed in the first body portion 11 to ensure structural strength of the first body portion 11 in a vertical direction. In this embodiment, the first reinforcing ribs 111 are disposed along the length direction of the first body portion 11 at intervals, so that the first reinforcing ribs 111 can ensure the supporting effect of the first body portion 11 and reduce the deformation of the first body portion 11 on the premise that the overall weight of the first supporting platform 10 is light.

Specifically, the second supporting platform 20 includes a second body portion 21 and a second reinforcing rib 211, the second body portion 21 has a second supporting surface, the second body portion 21 is of a hollow structure, and the second reinforcing rib 211 is disposed in the second body portion 21 to ensure structural strength of the second body portion 21 in a vertical direction. In this embodiment, the second reinforcing ribs 211 are disposed along the length direction of the second body portion 21 at intervals, so that the second reinforcing ribs 211 can ensure the supporting effect of the second body portion 21 on the second body portion 21 and reduce the deformation of the second body portion 21 on the premise that the overall weight of the second supporting platform 20 is light.

As shown in fig. 1 and 2, in the present embodiment, the connecting portion 30 includes two first connecting rods 31 and two second connecting rods 32, the two first connecting rods 31 are disposed in parallel, the extending direction of the two first connecting rods 31 is perpendicular to the extending direction of the first supporting platform 10, the two second connecting rods 32 are disposed between the two first connecting rods 31 in parallel, the second connecting rods 32 are perpendicular to the first connecting rods 31, two ends of the second connecting rods 32 are respectively connected with the two first connecting rods 31, wherein the first connecting rods 31 and the second connecting rods 32 are connected in a welding manner, one ends of the first connecting rods 31 are respectively welded with the side wall of the first supporting platform 10, which is close to the second supporting platform 20, and the other ends of the first connecting rods 31 are respectively welded with the side wall of the second supporting platform 20, which is close to the first supporting platform 10. By adopting the structure, the structure is simple, the molding is convenient, and the stability is strong.

Further, rings 311 are arranged at the top of the first connecting rod 31, two rings 311 are arranged at intervals along the length direction of the first connecting rod 31, and the rings 311 are used for being matched with a forklift so that the forklift can hoist and move the wind power gear box fixing device. Set up rings 311 on head rod 31 for rings 311 are located the middle part position of whole device, and when fork truck and rings 311 cooperation, can guarantee the stability of fork truck to this fixing device grafting.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. Wind-powered electricity generation gear box fixing device, its characterized in that, wind-powered electricity generation gear box fixing device includes the pedestal, the pedestal includes:

a first support platform (10), wherein the first support platform (10) is provided with a first support surface, and the first support surface is used for supporting a gear ring of a wind power gear box;

the second support platform (20) and the first support platform (10) are arranged at intervals along the axial direction of the wind power gear box, the second support platform (20) is provided with a second support surface, and the second support surface is used for supporting the rear box body of the wind power gear box;

the connecting part (30) is arranged between the first supporting platform (10) and the second supporting platform (20), one end of the connecting part (30) is connected with the first supporting platform (10), and the other end of the connecting part (30) is connected with the second supporting platform (20);

the wind power gear box fixing device further comprises a positioning structure, wherein the positioning structure is arranged on the base body and used for limiting the position of the wind power gear box in the axial direction.

2. Wind power gearbox fixing device according to claim 1, characterized in that the extension direction of the first support platform (10) is perpendicular to the axis direction of the wind power gearbox, the wind power gearbox fixing device comprising:

the wind power gearbox comprises two first connecting pieces (40), wherein the two first connecting pieces (40) are arranged on the first supporting platform (10) at intervals along the length direction of the first supporting platform (10), the two first connecting pieces (40) are respectively located at two ends of a first supporting surface, and the two first connecting pieces (40) are respectively connected with two end parts of a binding belt so that the binding belt binds the wind power gearbox.

3. Wind power gearbox securing device according to claim 2, characterized in that the first support platform (10) comprises:

-a first body portion (11), the first body portion (11) having the first support surface;

the two first connecting plates (12) are respectively arranged at two end parts of the first body part (11), the top surface of the first connecting plate (12) is lower than the top surface of the first body part (11), and two side parts of the first connecting plate (12) are upwards bent along the width direction of the first body part (11) to form two first bending parts (121);

the first connecting pieces (40) are arranged in one-to-one correspondence with the first connecting plates (12), two ends of each first connecting piece (40) are connected with two first bending parts (121) respectively, and a first gap for the binding belt to penetrate is formed between the peripheral surface of each first connecting piece (40) and the top surface of each first connecting plate (12).

4. Wind power gearbox fixing device according to claim 1, characterized in that the extension direction of the second support platform (20) is perpendicular to the axial direction of the wind power gearbox, the wind power gearbox fixing device comprising:

the two second connecting pieces (50), two second connecting pieces (50) are arranged on the second supporting platform (20) at intervals along the length direction of the second supporting platform (20), the two second connecting pieces (50) are respectively located at two ends of the second supporting surface, and two ends of the two second connecting pieces (50) are respectively connected with two ends of the binding belt so that the binding belt is bound with a rear box body of the wind power gear box.

5. Wind power gearbox securing device according to claim 4, characterized in that the second support platform (20) comprises:

a second body portion (21), the second body portion (21) having the second support surface;

the two second connecting plates (22) are respectively arranged at two end parts of the second body part (21), the top surface of the second connecting plate (22) is lower than the top surface of the second body part (21), and two side parts of the second connecting plate (22) are bent upwards along the width direction of the second body part (21) to form a second bending part (221);

the second connecting pieces (50) are arranged in one-to-one correspondence with the second connecting plates (22), two ends of each second connecting piece (50) are respectively connected with two second bending parts (221), and a second gap for the binding belt to penetrate is formed between the peripheral surface of each second connecting piece (50) and the top surface of each second connecting plate (22).

6. A wind power gearbox securing device according to claim 1, wherein the housing further comprises:

the third supporting platform (60) is arranged on one side, far away from the connecting part (30), of the first supporting platform (10), and the third supporting platform (60) is provided with a third supporting surface which is used for supporting the front box body of the wind power gear box.

7. The wind power gearbox securing device of claim 6, wherein the locating structure comprises a first locating structure and a second locating structure;

the first positioning structure is arranged on the third supporting platform (60), and can position the front box body of the wind power gear box so as to prevent the wind power gear box from moving along the direction from the front end to the rear end of the base body or prevent the wind power gear box from moving along the direction from the rear end to the front end of the base body;

the second positioning structure is arranged on the second supporting platform (20), and the second positioning structure can position the rear box body of the wind power gear box so as to prevent the wind power gear box from moving along the direction from the front end to the rear end of the base body or prevent the wind power gear box from moving along the direction from the rear end to the front end of the base body.

8. The wind power gearbox securing device of claim 7, further comprising:

the stop part (61) is arranged on the top surface of the third supporting platform (60) and is close to the first end, far away from the first supporting platform (10), of the third supporting platform (60), the stop part (61) is used for being matched with a front box body supporting leg stop of the wind power gear box so as to prevent the wind power gear box from moving relative to the base body along the direction from the rear end to the front end of the base body, and the stop part (61) forms the first positioning structure.

9. A wind power gearbox fixing device according to claim 7, wherein the second positioning structure is a positioning groove (201), and the positioning groove (201) is used for embedding a rear box body supporting leg of a wind power gearbox so as to limit the wind power gearbox to move along the length direction of the base body.

10. Wind power gearbox fixing device according to claim 1, characterized in that the first support platform (10) comprises a first body part (11) and a first reinforcing rib (111), the first body part (11) is provided with the first support surface, the first body part (11) is of a hollow structure, and the first reinforcing rib (111) is arranged in the first body part (11) so as to ensure the structural strength of the first body part (11) in the vertical direction; and/or the number of the groups of groups,

the second supporting platform (20) comprises a second body part (21) and second reinforcing ribs (211), the second body part (21) is provided with a second supporting surface, the second body part (21) is of a hollow structure, and the second reinforcing ribs (211) are arranged in the second body part (21) so as to ensure the structural strength of the second body part (21) in the vertical direction.