Wind power speed increasing box

Abstract

The utility model discloses a wind power speed increasing box, and relates to the technical field of wind power speed increasing boxes. The speed increasing gearbox comprises a bottom frame, a planetary mechanism is fixedly arranged on the inner surface of the bottom frame and used for enabling the speed increasing gearbox to rotate more stably, a speed increasing mechanism used in cooperation with the planetary mechanism is fixedly arranged at the upper end of the bottom frame and used for increasing the rotating speed of the output end, and the planetary mechanism comprises a planetary shell. A tooth groove is formed in the inner surface of the planet shell, a plurality of planet gears are connected to the inner surface of the tooth groove in a meshed mode, planet shafts are fixedly arranged on the inner surfaces of the planet gears, a planet carrier is jointly arranged on the outer surfaces of the planet gears, and a plurality of planet grooves are formed in the outer surface of the planet carrier. By means of the planetary mechanism, the wind power speed increasing box can stably rotate, and by means of the speed increasing mechanism, the wind power speed increasing box can effectively increase speed.

Description

Technical Field

[0001] The utility model relates to the technical field of wind power speed increaser boxes, in particular to a wind power speed increaser box. Background Art

[0002] Wind power speed increaser is mainly used in wind turbines. It has the characteristics of small size, high load-bearing capacity, long service life, stable operation, low noise and reasonable temperature rise control.

[0003] After checking the disclosure (announcement) number: CN206017061U, a wind turbine speed increasing gearbox is disclosed. This technology discloses "including the front, middle and rear housings connected in sequence, the first and second inner gear rings respectively mounted between the front and rear fitting surfaces of the front and middle housings and between the front and rear fitting surfaces of the middle and rear housings, the left and right bearings of the first planetary carrier respectively supported in the middle of the left side surface of the front and middle housings, the first planetary carrier and the first sun gear respectively mounted in the left and right bearings of the first planetary carrier, the first planetary gear mounted on the first planetary carrier and the left and right tooth surfaces are respectively meshed with the right tooth surface of the first inner gear ring and the right tooth surface of the first sun gear, the left and right bearings of the second planetary carrier respectively supported in the middle of the left side surface of the middle and rear housings, the second planetary carrier and the second sun gear respectively mounted in the left and right bearings of the second planetary carrier, the second planetary gear mounted on the second planetary carrier and the left and right tooth surfaces are respectively meshed with the right tooth surface of the second inner gear ring and the right tooth surface of the second sun gear, and other technical solutions, with technical effects such as low risk of failure rate";

[0004] However, the prior art still has the following problems. First, when assisting the wind turbine to increase speed, most of the prior art wind turbine speed increasers cannot rotate stably, which causes the wind turbine speed increasers to easily loosen during the rotation process. Second, when assisting the wind turbine to increase speed, most of the prior art wind turbine speed increasers cannot effectively increase speed, which causes the wind turbine to have a low power generation efficiency.

[0005] In view of the above problems, the inventor proposes a wind power speed increaser to solve the above problems. Utility Model Content

[0006] In order to solve the problem that most wind power speed increasers cannot rotate stably and most wind power speed increasers cannot effectively increase speed; the purpose of the utility model is to provide a wind power speed increaser.

[0007] In order to solve the above technical problems, the utility model adopts the following technical solutions: a wind power speed increaser, comprising a base frame, the inner surface of the base frame is fixedly provided with a planetary mechanism, the planetary mechanism is used to make the speed increaser rotate more stably, the upper end of the base frame is fixedly provided with a speed increaser used in conjunction with the planetary mechanism, the speed increaser is used to increase the speed of the output end, the planetary mechanism comprises a planetary housing, the inner surface of the planetary housing is provided with a tooth groove, the inner surface of the tooth groove is meshingly connected with a plurality of planetary gears, the inner surfaces of the plurality of planetary gears are fixedly provided with planetary shafts, the outer surfaces of the plurality of planetary gears are jointly provided with a planetary carrier, the outer surface of the planetary carrier is provided with a plurality of planetary grooves, the outer surfaces of the plurality of planetary gears are jointly meshingly connected with a planetary gear shaft, and one end of the planetary gear shaft is fixedly provided with a planetary drive shaft.

[0008] Preferably, the speed increasing mechanism includes a speed increasing housing, one side of the speed increasing housing is provided with a speed increasing drive shaft, the outer surface of the speed increasing drive shaft is fixedly provided with a speed increasing drive gear, the outer surface of the speed increasing drive gear is meshingly connected with a speed increasing driven gear, and the inner surface of the speed increasing driven gear is fixedly provided with a speed increasing driven shaft.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] 1. The utility model uses a planetary mechanism to improve the stability of the wind power speed increaser during the rotation process when assisting the wind turbine generator to generate electricity, thereby better assisting the wind turbine generator to generate electricity, thereby achieving stable rotation of the wind power speed increaser;

[0011] 2. The utility model uses a speed increasing mechanism to increase the speed of the output end when the wind power speed increasing box assists the wind turbine to generate electricity, thereby improving the power generation efficiency of the wind turbine, thereby achieving that the wind power speed increasing box can effectively increase the speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a schematic diagram of the structure of the utility model.

[0014] Figure 2 It is a schematic cross-sectional view of the structure of the planetary mechanism of the utility model.

[0015] Figure 3 It is a schematic diagram of the structure of the speed increasing mechanism of the utility model.

[0016] In the figure: 1, chassis; 2, planetary mechanism; 3, speed increasing mechanism; 20, planetary housing; 21, planetary slot; 22, planetary drive slot; 23, connection port; 24, tooth slot; 25, planetary driven slot; 26, planetary drive shaft; 27, planetary gear shaft; 28, planetary shaft; 29, planetary gear; 201, planetary carrier; 30, speed increasing housing; 31, rotating slot; 32, speed increasing drive shaft; 33, speed increasing drive gear; 34, speed increasing driven gear; 35, speed increasing driven shaft; 36, rotating limit ring; 37, ball; 38, bearing. DETAILED DESCRIPTION

[0017] 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.

[0018] Example: Figure 1-3 As shown, the utility model provides a wind power speed increasing box, including a base frame 1, the inner surface of the base frame 1 is fixedly provided with a planetary mechanism 2, the upper end of the base frame 1 is fixedly provided with a speed increasing mechanism 3 used in conjunction with the planetary mechanism 2, the planetary mechanism 2 includes a planetary housing 20, the inner surface of the planetary housing 20 is provided with a tooth groove 24, the inner surface of the tooth groove 24 is meshed with a plurality of planetary gears 29, the inner surfaces of the plurality of planetary gears 29 are all fixedly provided with planetary shafts 28, the outer surfaces of the plurality of planetary gears 29 are jointly provided with a planetary frame 201, the outer surface of the planetary frame 201 is provided with a plurality of planetary grooves 21. The outer surfaces of the plurality of planetary gears 29 are meshedly connected with a planetary gear shaft 27. A planetary drive shaft 26 is fixedly disposed at one end of the planetary gear shaft 27. Through the planetary mechanism 2, the fan blades will drive the planetary drive shaft 26 in the planetary housing 20 to rotate, so that the planetary drive shaft 26 can drive the planetary gears 29 to rotate through the planetary gear shaft 27, thereby enabling the planetary gears 29 to drive the planetary shaft 28 to rotate in the planetary slot 21 in the planetary carrier 201, and at the same time, the planetary gears 29 can rotate on the inner surface of the tooth slot 24, thereby achieving the purpose of stable rotation of the wind power speed increaser.

[0019] A planetary driving groove 22 is provided on one side of the planetary housing 20, and the inner surface of the planetary driving groove 22 is rotationally fitted with the outer surface of the planetary driving shaft 26. A connecting port 23 is provided on one side of the planetary housing 20. A planetary driven groove 25 is provided on one side of the planetary housing 20, and the inner surface of the planetary driven groove 25 is rotationally fitted with the outer surface of the speed increasing driving shaft 32. Three planetary gears 29 are provided, and the three planetary gears 29 are distributed in a ring array on the inner surfaces of multiple planetary grooves 21. The wind power generation equipment can rotate on the inner surface of the planetary driving groove 22 through the planetary driving groove 22 in the connecting port 23, and the speed increasing driving shaft 32 can rotate on the inner surface of the planetary driven groove 25 through the planetary driven groove 25. The planetary gears 29 are distributed in a ring array, which can effectively improve the stability during rotation.

[0020] The speed increasing mechanism 3 includes a speed increasing housing 30, one side of the speed increasing housing 30 is provided with a speed increasing driving shaft 32, the outer surface of the speed increasing driving shaft 32 is fixedly provided with a speed increasing driving gear 33, the outer surface of the speed increasing driving gear 33 is meshingly connected with a speed increasing driven gear 34, the inner surface of the speed increasing driven gear 34 is fixedly provided with a speed increasing driven shaft 35, through the speed increasing mechanism 3, the planetary mechanism 2 will drive the speed increasing driving shaft 32 in the speed increasing housing 30 to rotate, so that the speed increasing driving shaft 32 can drive the speed increasing driven gear 34 to rotate through the speed increasing driving gear 33, so that the speed increasing driven gear 34 can drive the speed increasing driven shaft 35 to rotate, which can improve the rotation of the speed increasing driven shaft 35, thereby achieving the purpose of effectively increasing the speed of the wind power speed increasing box.

[0021] Both sides of the speed-increasing driving gear 33 and the speed-increasing driven gear 34 are provided with bearings 38 respectively used in conjunction with the speed-increasing driving shaft 32 and the speed-increasing driven shaft 35, and the inner surfaces of the four bearings 38 are provided with a plurality of balls 37. Both sides of the speed-increasing housing 30 are provided with two rotating grooves 31 respectively used in conjunction with the two ends of the speed-increasing driving shaft 32 and the speed-increasing driven shaft 35, and both sides of the speed-increasing housing 30 are provided with two rotating limit rings 36 respectively used in conjunction with the speed-increasing driving shaft 32 and the speed-increasing driven shaft 35. The speed-increasing driving shaft 32 and the speed-increasing driven shaft 35 can rotate smoothly through the bearings 38 and the balls 37, and the speed-increasing driving shaft 32 and the speed-increasing driven shaft 35 can be limited on the inner surface of the rotating groove 31 through the rotating groove 31, and the speed-increasing driving shaft 32 and the speed-increasing driven shaft 35 can be limited in the rotating groove 31 through the rotating limit ring 36.

[0022] Working principle: Through the planetary mechanism 2, the fan blades will drive the planetary drive shaft 26 in the planetary housing 20 to rotate, so that the planetary drive shaft 26 can drive the planetary gear 29 to rotate through the planetary gear shaft 27, so that the planetary gear 29 can drive the planetary shaft 28 to rotate in the planetary slot 21 in the planetary carrier 201, and the planetary gear 29 can rotate on the inner surface of the tooth slot 24, so as to achieve the purpose of the wind power speed increaser to rotate stably;

[0023] The wind power generation equipment can rotate on the inner surface of the planetary driving groove 22 through the planetary driving groove 22 in the connection port 23, and the speed increasing driving shaft 32 can rotate on the inner surface of the planetary driven groove 25 through the planetary driven groove 25. The planetary gears 29 are distributed in an annular array, which can effectively improve the stability during rotation.

[0024] Through the speed increasing mechanism 3, the planetary mechanism 2 will drive the speed increasing drive shaft 32 in the speed increasing housing 30 to rotate, so that the speed increasing drive shaft 32 can drive the speed increasing driven gear 34 to rotate through the speed increasing drive gear 33, so that the speed increasing driven gear 34 can drive the speed increasing driven shaft 35 to rotate, which can improve the rotation of the speed increasing driven shaft 35, thereby achieving the purpose of effectively increasing the speed of the wind power speed increasing box;

[0025] The speed-increasing driving shaft 32 and the speed-increasing driven shaft 35 can rotate smoothly through the bearing 38 and the ball 37. The speed-increasing driving shaft 32 and the speed-increasing driven shaft 35 can be limited on the inner surface of the rotating groove 31 through the rotating groove 31. The speed-increasing driving shaft 32 and the speed-increasing driven shaft 35 can be limited in the rotating groove 31 through the rotating limiting ring 36.

[0026] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A wind power speed increasing gearbox, comprising a base frame (1), characterized in that: A planetary mechanism (2) is fixedly provided on the inner surface of the base frame (1), and a speed increasing mechanism (3) used in conjunction with the planetary mechanism (2) is fixedly provided on the upper end of the base frame (1); The planetary mechanism (2) comprises a planetary housing (20), the inner surface of the planetary housing (20) is provided with a tooth groove (24), the inner surface of the tooth groove (24) is meshedly connected with a plurality of planetary gears (29), the inner surfaces of the plurality of planetary gears (29) are all fixedly provided with a planetary shaft (28), the outer surfaces of the plurality of planetary gears (29) are jointly provided with a planetary carrier (201), the outer surface of the planetary carrier (201) is provided with a plurality of planetary grooves (21), the outer surfaces of the plurality of planetary gears (29) are jointly meshedly connected with a planetary gear shaft (27), and one end of the planetary gear shaft (27) is fixedly provided with a planetary drive shaft (26).

2. A wind power speed increaser as claimed in claim 1, characterized in that: The speed increasing mechanism (3) comprises a speed increasing housing (30), one side of the speed increasing housing (30) is provided with a speed increasing driving shaft (32), the outer surface of the speed increasing driving shaft (32) is fixedly provided with a speed increasing driving gear (33), the outer surface of the speed increasing driving gear (33) is meshingly connected with a speed increasing driven gear (34), and the inner surface of the speed increasing driven gear (34) is fixedly provided with a speed increasing driven shaft (35).

3. A wind power speed increaser as claimed in claim 1, characterized in that: A planetary drive groove (22) is provided on one side of the planetary housing (20), and the inner surface of the planetary drive groove (22) is rotationally fitted with the outer surface of the planetary drive shaft (26). A connection port (23) is provided on one side of the planetary housing (20).

4. A wind power speed increaser as claimed in claim 1, characterized in that: A planetary driven groove (25) is provided on one side of the planetary housing (20), and the inner surface of the planetary driven groove (25) is rotationally fitted to the outer surface of the speed increasing drive shaft (32).

5. A wind power speed increaser as claimed in claim 1, characterized in that: The planetary gears (29) are provided in three numbers, and the three planetary gears (29) are distributed in an annular array on the inner surfaces of the plurality of planetary slots (21).

6. A wind power speed increaser as claimed in claim 2, characterized in that: Both sides of the speed-increasing driving gear (33) and the speed-increasing driven gear (34) are provided with bearings (38) respectively used in conjunction with the speed-increasing driving shaft (32) and the speed-increasing driven shaft (35), and the inner surfaces of the four bearings (38) are provided with a plurality of balls (37).

7. A wind power speed increaser as claimed in claim 2, characterized in that: Two rotation grooves (31) are provided on both sides of the speed increasing housing (30) and are respectively matched with the two ends of the speed increasing driving shaft (32) and the speed increasing driven shaft (35).

8. A wind power speed increaser as claimed in claim 2, characterized in that: Two rotation limiting rings (36) are provided on both sides of the speed increasing housing (30) and are respectively used in conjunction with the speed increasing driving shaft (32) and the speed increasing driven shaft (35).

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