CN216429835U

CN216429835U - Transmission assembly of tower crane type wind driven generator

Info

Publication number: CN216429835U
Application number: CN202123391122.2U
Authority: CN
Inventors: 吴锡明; 赵柏贤
Original assignee: Fujian Zhengwang Environmental Protection Technology Development Co ltd
Current assignee: Fujian Zhengwang Environmental Protection Technology Development Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-05-03
Anticipated expiration: 2031-12-30

Abstract

The utility model relates to a tower crane formula aerogenerator's drive assembly, it includes: the bearing block is connected to the box body, and more than one deep groove ball bearing is arranged in the bearing block; the inner ring of the deep groove ball bearing is fixedly connected with a joint shaft, and the upper end and the lower end of the joint shaft respectively extend to the outer sides of the upper end and the lower end of the bearing seat; the upper end surface of the bearing seat is fixedly connected with a bearing cover, the upper end of the joint shaft penetrates through the bearing cover, an auxiliary bearing is arranged in the bearing cover, the inner ring of the auxiliary bearing is connected with the joint shaft, and the outer ring of the auxiliary bearing is connected with the bearing cover; the upper end of the joint shaft is fixedly connected with a first bevel gear; the lower end of the joint shaft is fixedly connected with a transmission joint; the first bevel gear is meshed with a second bevel gear fixed on the central shaft tube; the middle shaft tube is connected to the box body; the utility model discloses simple structure, stability is strong, and processing is convenient.

Description

Transmission assembly of tower crane type wind driven generator

Technical Field

The utility model relates to a aerogenerator technical field especially relates to a tower crane formula aerogenerator's drive assembly.

Background

The transmission mechanism in the existing wind driven generator has complex structure, complex installation and high cost; and the horizontal transmission axis in the existing wind driven generator is mostly a whole root through-axis structure, and the problems of installation and bearing of wind wheels are also considered on the axis, so that the axis of the wind driven generator is an important part in the wind driven generator, and how to make the axis have higher structural stability in the transmission function is a big problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to solve the above problems in the prior art, the utility model provides a tower crane formula aerogenerator's drive assembly.

(II) technical scheme

In order to achieve the above object, the utility model discloses a main technical scheme include:

a drive assembly for a tower-suspended wind turbine, comprising: the bearing block is connected to the box body, and more than one deep groove ball bearing is arranged in the bearing block;

the inner ring of the deep groove ball bearing is fixedly connected with a joint shaft, and the upper end and the lower end of the joint shaft respectively extend to the outer sides of the upper end and the lower end of the bearing seat; the upper end surface of the bearing seat is fixedly connected with a bearing cover, the upper end of the joint shaft penetrates through the bearing cover, an auxiliary bearing is arranged in the bearing cover, the inner ring of the auxiliary bearing is connected with the joint shaft, and the outer ring of the auxiliary bearing is connected with the bearing cover; the upper end of the joint shaft is fixedly connected with a first bevel gear; the lower end of the joint shaft is fixedly connected with a transmission joint; the first bevel gear is meshed with a second bevel gear fixed on the central shaft tube; the central shaft tube is connected to the box body.

Further, when the number of the deep groove ball bearings is more than two, a bearing inner sleeve and a bearing outer sleeve are arranged between every two adjacent deep groove ball bearings.

Furthermore, a middle shaft reinforcing pipe is arranged on the middle shaft pipe; the middle shaft reinforcing pipe is fixedly connected with a first wind wheel support seat; the right side of the central shaft tube is fixedly connected with a second wind wheel bracket seat; and the first wind wheel bracket seat and the second wind wheel bracket seat are respectively and fixedly connected with a guy cable plate used for tensioning the fan blades.

Furthermore, the middle shaft reinforcing pipe and the middle shaft pipe are in interference fit.

Furthermore, a first positioning clamp is arranged on the central shaft tube, and a locking bolt is arranged on the first positioning clamp; the right end face of the first positioning clamp is connected with the left end face of the central axis tube.

Furthermore, one side of the middle shaft reinforcing pipe close to the left end face is fixedly connected with a first positioning sleeve; the first positioning sleeve is connected with the middle shaft reinforcing pipe through a screw.

Furthermore, a second positioning sleeve and a second positioning clamp are fixedly connected to the central axis tube, the right end face of the second positioning clamp is connected with the left end face of the second positioning sleeve, and a locking bolt is arranged on the second positioning clamp.

Furthermore, a shaft head pressing plate is fixedly connected to the left end face of the central shaft tube.

Furthermore, a blast cap is fixedly connected to the right end face of the middle shaft tube.

Furthermore, a plurality of bolts are respectively connected to the first wind wheel support base and the second wind wheel support base, and nuts are connected to the bolts.

(III) advantageous effects

The utility model has the advantages that: simple structure, processing is convenient, and drive mechanism is simple, simple to operate, and the operation is swift, simultaneously for the intensity of axis assembly is more stable, and is not fragile in the use.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of a bottom bracket tube according to an embodiment of the present invention;

fig. 3 is a right side view of a bottom bracket tube structure according to an embodiment of the present invention.

Detailed Description

For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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.

The utility model discloses a tower crane formula aerogenerator's transmission assembly of an embodiment, as shown in fig. 1 and 2, it includes: and when more than two deep groove ball bearings 18 are arranged in the bearing seat 17, a bearing inner sleeve 24 and a bearing outer sleeve 24 are arranged between every two adjacent deep groove ball bearings 18 to separate the deep groove ball bearings 18.

Specifically, a joint shaft 19 is fixedly connected to an inner ring of the deep groove ball bearing 18, and upper and lower ends of the joint shaft 19 extend to outer sides of upper and lower ends of the bearing seat 17 respectively; the upper end surface of the bearing seat 17 is fixedly connected with a bearing cover 20, the upper end of the joint shaft 19 penetrates through the bearing cover 20, an auxiliary bearing 21 is arranged in the bearing cover 20, the inner ring of the auxiliary bearing 21 is connected with the joint shaft 19, and the outer ring of the auxiliary bearing 21 is connected with the bearing cover 20; the upper end of the joint shaft 19 is fixedly connected with a first bevel gear 22; the lower end of the joint shaft 19 is fixedly connected with a transmission joint 25 for connecting a power end; the first bevel gear 22 is meshed with a second bevel gear 23 fixed on the bottom bracket tube 1; the central shaft tube 1 is connected to the box body; the transmission joint 25 inputs power, the joint shaft 19 works, the joint shaft 19 drives the first bevel gear 22 to work, and the first bevel gear 22 is meshed with the second bevel gear 23 to realize the rotation of the central shaft tube 1.

Specifically, as shown in fig. 2 and 3, the central shaft tube 1 is subjected to magnetic powder and ultrasonic flaw detection on the whole body, so that the central shaft tube 1 is ensured to be free of defects; the middle shaft tube 1 is provided with a middle shaft reinforcing tube 2, and the middle shaft reinforcing tube 2 is in interference fit with the middle shaft tube 1 and is welded and fixed; when the middle shaft reinforcing pipe 2 is installed in the middle shaft pipe 1, the heating interference is required to be 0.2mm, so that the middle shaft reinforcing pipe 2 reaches a specified position and is connected with the middle shaft pipe 1.

Specifically, a first positioning clamp 5 is arranged on the central shaft tube 1, a locking bolt is arranged on the first positioning clamp 5, and the tightness between the first positioning clamp 5 and the central shaft tube 1 is adjusted through the locking bolt on the first positioning clamp 5; the right end face of the first positioning clamp 5 is connected with the left end face of the central shaft tube 1.

Furthermore, one side of the middle shaft reinforcing pipe 2 close to the left end face is fixedly connected with a first positioning sleeve 6; the first positioning sleeve 6 is connected with the middle shaft reinforcing pipe 2 through a screw 7.

Furthermore, a second positioning sleeve 8 and a second positioning clamp 9 are fixedly connected to the central shaft tube 1, a locking bolt is arranged on the second positioning clamp 9, the right end face of the second positioning clamp 9 is connected with the left end face of the second positioning sleeve 8, and the tightness between the second positioning clamp 9 and the central shaft tube 1 is adjusted through the locking bolt on the second positioning clamp 9; the second positioning sleeve 8 and the first positioning clamp 5 are located on the left side and the right side of the second bevel gear 23, and the second bevel gear 23 is further limited on the bottom bracket tube 1 by the second positioning sleeve 8 and the first positioning clamp 5.

Further, the left end face of the central axis tube 1 is fixedly connected with a shaft head pressing plate 10, the right end face of the central axis tube 1 is fixedly connected with a hood 11, and the hood 11 is made of glass fiber reinforced plastic materials.

Specifically, a first wind wheel support base 12 is fixedly connected to the middle shaft reinforcing tube 2; the right side of the central shaft tube 1 is fixedly connected with a second wind wheel support base 13; the first wind wheel support base 12 and the second wind wheel support base 13 are respectively connected with a plurality of bolts 14, the bolts 14 are bolts with holes in hexagonal screws, the bolts 14 are connected with nuts 15, and the nuts 15 are slotted nuts.

Further, the center shaft reinforcing tube 2, the first wind wheel support base 12, the second wind wheel support base 13 and the center shaft tube 1 are welded and then machined, so that the coaxiality is guaranteed.

Further, a guy cable plate 16 for tensioning the fan blades is fixedly connected to the first wind wheel support base 12 and the second wind wheel support base 13 respectively.

Through the structural design, the transmission mechanism of the wind driven generator is simple, convenient to install and quick to operate, and meanwhile, the strength of the middle shaft assembly is more stable and is not easy to damage in the using process.

The above is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.

Claims

1. A transmission assembly of a tower-suspended wind turbine, comprising: a bearing block (17) connected to the box body, wherein more than one deep groove ball bearing (18) is arranged in the bearing block (17);

the inner ring of the deep groove ball bearing (18) is fixedly connected with a joint shaft (19), and the upper end and the lower end of the joint shaft (19) respectively extend to the outer sides of the upper end and the lower end of the bearing seat (17); the upper end face of the bearing seat (17) is fixedly connected with a bearing cover (20), the upper end of the joint shaft (19) penetrates through the bearing cover (20), an auxiliary bearing (21) is arranged in the bearing cover (20), the inner ring of the auxiliary bearing (21) is connected with the joint shaft (19), and the outer ring of the auxiliary bearing (21) is connected with the bearing cover (20); the upper end of the joint shaft (19) is fixedly connected with a first bevel gear (22); the lower end of the joint shaft (19) is fixedly connected with a transmission joint (25) for connecting a power end; the first bevel gear (22) is meshed with a second bevel gear (23) fixed on the bottom bracket tube (1); the central shaft tube (1) is connected to the box body.

2. The transmission assembly of a tower-suspended wind turbine according to claim 1, wherein: when more than two deep groove ball bearings (18) are arranged, a bearing inner sleeve and a bearing outer sleeve (24) are arranged between every two adjacent deep groove ball bearings (18).

3. The transmission assembly of a tower-suspended wind turbine according to claim 1, wherein: a middle shaft reinforcing pipe (2) is arranged on the middle shaft pipe (1); a first wind wheel bracket seat (12) is fixedly connected to the middle shaft reinforcing pipe (2); the right side of the central shaft tube (1) is fixedly connected with a second wind wheel bracket base (13); and the first wind wheel bracket base (12) and the second wind wheel bracket base (13) are respectively and fixedly connected with a guy cable plate (16) for tensioning the fan blades.

4. A drive assembly for a tower-suspended wind turbine according to claim 3, wherein: the middle shaft reinforcing pipe (2) is in interference fit with the middle shaft pipe (1).

5. A drive assembly for a tower-suspended wind turbine according to claim 3, wherein: a first positioning clamp (5) is arranged on the central shaft tube (1), and a locking bolt is arranged on the first positioning clamp (5); the right end face of the first positioning clamp (5) is connected with the left end face of the central shaft tube (1).

6. A drive assembly for a tower-suspended wind turbine according to claim 3, wherein: one side of the middle shaft reinforcing pipe (2) close to the left end face is fixedly connected with a first positioning sleeve (6); the first positioning sleeve (6) is connected with the middle shaft reinforcing pipe (2) through a screw (7).

7. A drive assembly for a tower-suspended wind turbine according to claim 3, wherein: fixedly connected with second position sleeve (8) and second positioning clamp (9) on central siphon (1), the right-hand member face of second positioning clamp (9) meets with the left end face of second position sleeve (8), be equipped with the locking bolt on the second positioning clamp (9).

8. A drive assembly for a tower-suspended wind turbine according to claim 3, wherein: and a shaft head pressing plate (10) is fixedly connected to the left end face of the central shaft tube (1).

9. A drive assembly for a tower-suspended wind turbine according to claim 3, wherein: the right end face of the central shaft tube (1) is fixedly connected with a hood (11).

10. A drive assembly for a tower-suspended wind turbine according to claim 3, wherein: the first wind wheel support base (12) and the second wind wheel support base (13) are respectively connected with a plurality of bolts (14), and nuts (15) are connected onto the bolts (14).