CN215292760U

CN215292760U - Box body fixing structure for gear box of wind driven generator

Info

Publication number: CN215292760U
Application number: CN202120473578.4U
Authority: CN
Inventors: 王洪
Original assignee: Changzhou Xinlian Foundry Industry Co ltd
Current assignee: Changzhou Xinlian Foundry Industry Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2021-12-24
Anticipated expiration: 2031-09-28

Abstract

The utility model relates to the technical field of wind driven generators, and discloses a box body fixing structure for a wind driven generator gear box, which comprises a wind driven generator gear box, wherein a gear box bottom plate is fixedly arranged below the wind driven generator gear box, a central shaft is connected with the middle thread of the gear box bottom plate, a fan stand column is fixedly connected below the central shaft, a central bearing is movably arranged on the outer surface above the central shaft, the outer surface of the central bearing is movably connected with a central big gear, a small gear is meshed on the outer side of the central big gear, and a big gear fixing flange is movably connected above the central big gear; the central shaft is fixedly arranged on the fan stand column, the wind driven generator gear box is fixedly arranged above the central shaft, the large gear is fixedly arranged on the outer surface of the central shaft, the small gear is meshed with the outer side of the large gear, and the wind wheel and the generator gear can adjust the position consistent with the current wind direction under the action of the wind power and wind direction regulator, so that the working efficiency of wind power generation is effectively improved.

Description

Box body fixing structure for gear box of wind driven generator

Technical Field

The utility model relates to a aerogenerator technical field specifically is a box fixed knot that aerogenerator gear box was used constructs.

Background

With the development of the times and the improvement of science and technology, electric energy becomes a resource which cannot be kept away in life and production of people, wind power generation is a good way for creating electric energy, and a wind power generator is electric equipment which converts wind energy into mechanical power, drives a rotor to rotate by the mechanical power and finally outputs alternating current. The wind-driven generator generally comprises wind wheels, a generator, a direction regulator, a tower, a speed-limiting safety mechanism, an energy storage device and other components.

The key component of the wind power generation is the generator gear box, so the existing gear box fixing mode has a single relative structure, cannot be well matched with a wind power and wind direction regulator to adjust the wind direction, and a fixing device of the generator gear box lacks necessary protection.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a box fixed knot that aerogenerator gear box was used constructs, and the gear box that possesses aerogenerator guides down at wind-force wind direction accent ware, but generator gear box and the advantage of the wind wheel rotation adjustment to the position unanimous with the wind direction of this day, the inconsistent problem of wind wheel and this day wind direction appears when having solved aerogenerator and having generated electricity.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a box body fixing structure for a gear box of a wind driven generator comprises the gear box of the wind driven generator, a gear box bottom plate is fixedly arranged below the gear box of the wind driven generator, the middle of the gear box bottom plate is connected with a central shaft through a thread, a fan upright post is fixedly connected below the central shaft, a central bearing is movably arranged on the outer surface above the central shaft, a central big gear is movably connected on the outer surface of the central bearing, a pinion is engaged with the outer side of the central bull gear, a bull gear fixing flange is movably connected above the central bull gear, a locking nut is fixedly arranged above the large gear fixing flange, a small gear shaft is fixedly arranged inside the small gear, a pinion fixing flange is fixedly mounted above the pinion shaft, the upper portion of the pinion shaft is installed on a bottom plate of the gear box in a threaded mode, and a gear protection cover is fixedly mounted on the outer side of the central large gear.

Preferably, the number of the small gears is four, and the small gears are annularly distributed on the circumference of the central large gear.

Preferably, eight bolt holes I are formed in the upper end face of the central shaft, the eight bolt holes I are uniformly distributed in the circumference of the central shaft, and the bolt holes I are matched with corresponding threaded holes of a gear box bottom plate.

Preferably, the top end of the pinion shaft is provided with threads, the number of the pinion shafts is four, and the threads at the top end of the pinion shaft are matched with the bolt holes in the bottom plate of the gear box.

Preferably, four pinion shaft fixing holes are formed in the outer surface of the large gear fixing flange, and the pinion shaft fixing holes are uniformly distributed in the circumference of the large gear fixing flange.

Preferably, four mounting holes are formed in the surface of the pinion fixing flange, and the pinion fixing flange is fixedly mounted on the gearwheel fixing flange through the four mounting holes.

Compared with the prior art, the utility model provides a box fixed knot that aerogenerator gear box was used constructs possesses following beneficial effect:

1. the box body fixing structure for the wind driven generator gear box is characterized in that a central shaft is fixedly connected to the top end of a fan stand column, the upper part of the central shaft is connected to the bottom of the generator gear box in a threaded manner, a central bearing is fixedly connected to the outer surface of the central shaft, a central large gear is fixedly mounted on the outer surface of the central bearing, and small gears are meshed with the periphery of the central large gear, the fixing device can be matched with a wind driven direction regulator for use, when the direction of the wind in the day is inconsistent with the direction of a wind wheel and a generator gear box body, under the guidance of the wind driven direction regulator, the small gears on the central shaft are meshed with the end surface of the central large gear to rotate to drive the generator gear box fixedly mounted above the central shaft to the direction of the wind direction in the day, the condition that the wind wheel and the generator gear box are consistent with the wind direction in the day can be met, the wind driven by the wind in the day can be used for generating electricity, the generator gear box fixing device can be matched with the wind direction regulator for use, the direction of the wind wheel and the generator gearbox is adjusted according to the current wind direction, the wind wheel and the generator gearbox are flexible and strong in practicability, and the working efficiency of the wind driven generator is improved to the maximum extent.

2. This box fixed knot that aerogenerator gear box was used constructs, through at the top of fan stand and the centre of generator gear box, fixed mounting has the gear protection casing between the gear wheel on center pin and the central pin of fixed connection promptly and the pinion of gear wheel meshing, can avoid adjusting under the abominable condition in the external world, to the destruction of the gear train of generator gear fixed knot structure below, can protect the gear train effectively, improve the life of gear train.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a front view of the center shaft of the present invention;

FIG. 4 is a top view of the central gear and pinion of the present invention engaged with each other;

FIG. 5 is a top view of the bull gear mounting flange of the present invention;

fig. 6 is a front view of the pinion shaft of the present invention;

fig. 7 is a top view of the pinion mounting flange of the present invention.

Wherein: 1. a wind turbine gearbox; 2. a gear box bottom plate; 21. a second bolt hole; 3. a central shaft; 31. a center bearing; 32. a central bull gear; 33. a first bolt hole; 4. a bull gear fixing flange; 41. a pinion shaft fixing hole; 5. locking the nut; 6. a pinion shaft; 61. a thread; 7. a pinion gear; 71. a pinion fixing flange; 72. mounting holes; 8. a fan column; 9. gear protection casing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, a box fixing structure for a wind power generator gear box comprises a wind power generator gear box 1, a gear box bottom plate 2 is fixedly installed below the wind power generator gear box 1, a central shaft 3 is connected with the middle thread of the gear box bottom plate 2, a fan upright post 8 is fixedly connected below the central shaft 3, a central bearing 31 is movably installed on the outer surface above the central shaft 3, a central large gear 32 is movably connected with the outer surface of the central bearing 31, a small gear 7 is engaged with the outer side of the central large gear 32, a large gear fixing flange 4 is movably connected above the central large gear 32, a locking nut 5 is fixedly installed above the large gear fixing flange 4, a small gear shaft 6 is fixedly installed inside the small gear 7, a small gear fixing flange 71 is fixedly installed above the small gear shaft 6, and the upper thread of the small gear shaft 6 is installed on the gear box bottom plate 2, the gear protection cover 9 is fixedly arranged on the outer side of the central big gear 32.

Through the technical scheme, as shown in fig. 1-7, the gearbox bottom plate 2 is fixedly installed at the bottom of the wind driven generator gearbox 1, the middle of the gearbox bottom plate 2 is connected into the eight bolt holes 33 in the central shaft 3 through bolts in a threaded mode, the lower end of the central shaft 3 is provided with a step, the inner ring of the central bearing 31 can be well fixed on the outer surface of the central shaft 3, and the locking nut 5 is fixedly installed above the central bearing 31 and used for fixing the central bearing 31.

Specifically, a central large gear 32 is fixedly mounted on the outer surface of the central bearing 31, a large gear fixing flange 4 is fixedly mounted above the central large gear 32, four small gear shaft fixing holes 41 are formed in the surface of the large gear fixing flange 4, a small gear 7 is meshed with the outer end surface of the central large gear 32, the four small gears 7 are distributed along the circumference of the central large gear 32, small gear shafts 6 are movably mounted inside the small gears 7, the upper parts of the four groups of small gear shafts 6 are fixed in the small gear shaft fixing holes 41 in the large gear fixing flange 4, a small gear fixing flange 71 is fixedly mounted above the small gears 7, the small gear fixing flange 71 is fixedly mounted on the large gear fixing flange 4 through a mounting hole 72, threads 61 are formed in the upper end of each small gear shaft 6, and the upper ends of the four groups of small gear shafts 6 are respectively threadedly mounted in the two bolt holes 21 in the gear box bottom plate 2.

Specifically, the bottom of the wind power generator gear box 1 is provided with a central shaft 3, the outer surface of the central shaft 3 is movably provided with a central bearing 31, the outer end of the central bearing 31 is fixedly connected with a central big gear 32, the central big gear 32 is meshed and connected with a small gear 7, the arrangement can be matched with a wind power direction regulator for use, when the current wind direction is inconsistent with the wind wheel and the generator gear box body, under the guidance of the wind power direction regulator, the small gear 7 on the central shaft 3 is meshed and rotated along the end surface of the central big gear 32 to drive the wind power generator gear box 1 fixedly connected above the central shaft 3 to the direction of the current wind direction, the condition that the wind power generator wind wheel and the wind power generator gear box 1 are consistent with the current wind direction can be met, namely, the wind wheel can be blown by the current wind power for generating electricity, the wind power generator is flexible and convenient, and the wind direction regulator is the prior art, and will not be described in excessive detail herein.

Through the technical scheme, specifically, the gear protection cover 9 is fixedly arranged between the fan upright post 8 and the wind driven generator gear box 1, namely on the central shaft 3, the central gearwheel 32 fixed on the outer surface of the central shaft 3 and the pinion 7 meshed with the central gearwheel 32, and the gear protection cover 9 can effectively protect a gear set, so that the service life of the gear set is prolonged.

When in use, the central shaft 3, the central bearing 31, the central big gear 32, the big gear fixing flange 4 and the locking nut 5 are fixedly installed at the top end of the fan upright post 8 in sequence; mounting the gear box bottom plate 2 in eight bolt holes I33 of the central shaft 3 in a threaded manner; four groups of pinion shafts 6 are respectively installed in pinion shaft fixing holes 41 on a bull gear fixing flange 4, the upper end of each pinion shaft 6 is installed in a bolt hole II 21 of a gearbox bottom plate 2 in a threaded mode, a pinion 7 is fixedly installed on the outer surface of each pinion shaft 6, a pinion fixing flange 71 is fixedly installed on the upper surface of each pinion 7, and each pinion fixing flange 71 is fixed on the bull gear fixing flange 4 through a mounting hole 72; after the installation is finished, the wind wheel of the generator and the gear box 1 of the wind driven generator can be put into use, when the wind direction of the day is inconsistent with the wind wheel, under the guidance of the wind direction regulator, the central big gear 32 fixed on the central shaft 3 and the small gear 7 are meshed to rotate to drive the gear box 1 of the wind driven generator fixed above the central shaft 3 to rotate to the position consistent with the wind direction of the day, and therefore the wind wheel can rotate to generate electricity.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a box fixed knot that aerogenerator gear box was used constructs, includes aerogenerator gear box (1), its characterized in that: the wind driven generator is characterized in that a gear box bottom plate (2) is fixedly arranged below the wind driven generator gear box (1), a central shaft (3) is connected to the middle of the gear box bottom plate (2) in a threaded manner, a fan stand column (8) is fixedly connected to the lower portion of the central shaft (3), a central bearing (31) is movably arranged on the outer surface of the upper portion of the central shaft (3), a central large gear (32) is movably connected to the outer surface of the central bearing (31), a small gear (7) is meshed with the outer side of the central large gear (32), a large gear fixing flange (4) is movably connected to the upper portion of the central large gear (32), a locking nut (5) is fixedly arranged on the upper portion of the large gear fixing flange (4), a small gear shaft (6) is fixedly arranged inside the small gear (7), and a small gear fixing flange (71) is fixedly arranged on the upper portion of the small gear shaft (6), the upper threads of the pinion shaft (6) are arranged on a gear box bottom plate (2), and a gear protective cover (9) is fixedly arranged on the outer side of the central large gear (32).

2. The box body fixing structure for the gearbox of the wind driven generator according to claim 1, wherein: the number of the small gears (7) is four, and the small gears (7) are annularly distributed on the circumference of the central large gear (32).

3. The box body fixing structure for the gearbox of the wind driven generator according to claim 1, wherein: eight bolt holes I (33) are formed in the upper end face of the central shaft (3), the eight bolt holes I (33) are uniformly distributed on the circumference of the central shaft (3), and the bolt holes I (33) are matched with corresponding threaded holes of the gear box bottom plate (2).

4. The box body fixing structure for the gearbox of the wind driven generator according to claim 1, wherein: the top end of the pinion shaft (6) is provided with threads (61), the number of the pinion shaft (6) is four, and the threads (61) at the top end of the pinion shaft (6) are matched with the bolt holes II (21) in the gear box bottom plate (2).

5. The box body fixing structure for the gearbox of the wind driven generator according to claim 1, wherein: four pinion shaft fixing holes (41) are formed in the outer surface of the large gear fixing flange (4), and the pinion shaft fixing holes (41) are uniformly distributed in the circumference of the large gear fixing flange (4).

6. The box body fixing structure for the gearbox of the wind driven generator according to claim 1, wherein: four mounting holes (72) are formed in the surface of the pinion fixing flange (71), and the pinion fixing flange (71) is fixedly mounted on the bull gear fixing flange (4) through the four mounting holes (72).