CN213655675U

CN213655675U - Gear gearbox with excellent heat dissipation effect for wind driven generator

Info

Publication number: CN213655675U
Application number: CN202021809758.7U
Authority: CN
Inventors: 李勇; 高轶
Original assignee: Tianjin Tianan New Energy Technology Co ltd
Current assignee: Tianjin Tianan New Energy Technology Co ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-07-09
Anticipated expiration: 2030-08-26

Abstract

The utility model belongs to the technical field of the gearbox, especially, be an excellent gear box of radiating effect for aerogenerator, be open-ended quick-witted case including the top, all seted up three rotation hole on the both sides inner wall of machine case, machine incasement is equipped with input shaft, well pivot and output shaft, input shaft, well pivot and output shaft rotate with two inner walls that rotate the hole that correspond respectively and connect, and the both ends of input shaft, well pivot and output shaft extend to respectively outside the rotation hole that corresponds, be equipped with first gear on the input shaft, be equipped with second gear and third gear in the well pivot, first gear and second gear mesh mutually, be equipped with the fourth gear on the output shaft, third gear and fourth gear mesh mutually. The utility model discloses simple structure, convenient to use, the assembly and the maintenance of being convenient for can also lubricate and cool down each part simultaneously, the effectual life who prolongs the gearbox.

Description

Gear gearbox with excellent heat dissipation effect for wind driven generator

Technical Field

The utility model relates to a gearbox technical field especially relates to an excellent gear box of radiating effect for aerogenerator.

Background

The wind driven generator converts wind energy into mechanical work, the working principle is simple, the wind wheel rotates under the action of wind force, the kinetic energy of the wind is converted into mechanical energy of a wind wheel shaft, the generator rotates under the drive of the wind wheel shaft to generate electricity, and in a transmission structure of the wind driven generator, the wind driven generator is generally applied to a speed change gear box, a gear transmission assembly for transmission is accommodated in the speed change gear box, and the effects of protecting, installing and facilitating maintenance on the gear transmission assembly are achieved.

However, the traditional gearbox used by the wind driven generator has a complex internal structure, the processing and assembling complexity is greatly improved, the maintenance or replacement of the internal gear is not facilitated, heat generated by long-time work cannot be discharged, and the service life of the gearbox is also shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the excellent gear box of radiating effect for aerogenerator who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a gear transmission case with excellent heat dissipation effect for a wind driven generator comprises a case with an opening at the top, three rotating holes are arranged on the inner walls of the two sides of the case, an input shaft, a middle rotating shaft and an output shaft are arranged in the case, the input shaft, the middle rotating shaft and the output shaft are respectively and rotationally connected with the inner walls of the two corresponding rotating holes, and the two ends of the input shaft, the middle rotating shaft and the output shaft respectively extend out of the corresponding rotating holes, the input shaft is provided with a first gear, the middle rotating shaft is provided with a second gear and a third gear, the first gear is meshed with the second gear, a fourth gear is arranged on the output shaft, the third gear is meshed with the fourth gear, an oil pump is fixedly arranged on the inner wall of the bottom of the case, the oil pump is provided with an oil inlet and an oil outlet, one side of the case close to the oil pump is provided with an oil pipe, one end of the oil pipe close to the output shaft extends into the case and is communicated with an oil outlet of the oil pump.

Preferably, the top of the case is provided with an oil top shell, the top of the oil top shell is provided with a heat dissipation mechanism, the heat dissipation mechanism comprises a heat dissipation box, the bottom of the heat dissipation box is fixedly connected with the top of the oil top shell, a radiating pipe is arranged in the radiating box, two ends of the radiating pipe respectively extend out of the radiating box, one end of the radiating pipe close to the output shaft is communicated with one end of the oil pipe far away from the oil pump, an oil inlet hole is formed in the inner wall of the top of the oil top shell, one end, far away from the oil pipe, of the radiating pipe penetrates through the oil inlet hole and is fixedly connected with the inner wall of the oil inlet hole, the inner wall of the top of the heat dissipation box is provided with heat dissipation holes, the inner wall of the top of the heat dissipation box is fixedly provided with two installation rods, one end of each installation rod, which is close to the other end of each installation rod, is fixedly provided with the same heat dissipation fan, the heat dissipation fan is located under the heat dissipation holes, and air inlets are formed in the inner walls of the two sides of the heat dissipation box.

Preferably, the input shaft, the middle rotating shaft and the output shaft are respectively provided with a bearing, inner rings of the six bearings are respectively fixedly sleeved on the input shaft, the middle rotating shaft and the output shaft, and outer rings of the six bearings are respectively fixedly connected with the inner walls of the corresponding rotating holes.

Preferably, the inner walls of the two sides of the heat dissipation box are provided with fixing holes, and the heat dissipation pipe penetrates through the two fixing holes and is fixedly connected with the inner walls of the two fixing holes.

Preferably, a filter cover is fixedly installed on the inner wall of the bottom of the case, and the oil pump is located in the filter cover.

Preferably, the gear ratio of the second gear, the third gear and the fourth gear is 1: 3: 1: 3.

Compared with the prior art, the beneficial effects of the utility model are that: when the gearbox works, the paddle of the wind driven generator drives the input shaft to rotate, the input shaft drives the first gear to rotate, the first gear drives the second gear to rotate, the second gear drives the middle rotating shaft to rotate, the middle rotating shaft drives the third gear to rotate, the third gear drives the fourth gear to rotate, the fourth gear drives the output shaft to rotate, and the output shaft drives the generator to rotate, so that power generation can be carried out, the rotating speed of the output shaft is increased in a double way through the transmission of the first gear, the second gear, the third gear and the fourth gear due to the fact that the gear ratio of the first gear, the second gear, the third gear and the fourth gear is 1: 3: 1: 3, and even under the condition that the rotating speed of the paddle of the wind driven generator is slow, the gearbox can drive the generator to rotate at high speed to generate power, when the gearbox works, the first gear, the second gear, the third gear and the fourth gear are sealed in the case through the oil top shell, in order to reduce friction among all parts, lubricating oil is injected into the case, the first gear, the second gear, the third gear and the fourth gear are all immersed in the lubricating oil, the lubricating effect is achieved, meanwhile, the oil pump and the heat dissipation fan are started along with rotation of the paddle, therefore, when the gearbox works, the lubricating oil in the case can be conveyed into the heat dissipation pipe through the oil pipe by the oil pump, the heat dissipation fan dissipates heat of the heat dissipation pipe, the lubricating oil subjected to heat dissipation treatment enters the case again, and high temperature generated when all parts work can be reduced.

The utility model discloses simple structure, convenient to use, the assembly and the maintenance of being convenient for can also lubricate and cool down each part simultaneously, the effectual life who prolongs the gearbox.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic top sectional view of the present invention;

fig. 3 is a schematic front sectional view of the heat dissipation mechanism of the present invention;

in the figure: 1. a chassis; 2. rotating the hole; 3. an input shaft; 4. a middle rotating shaft; 5. an output shaft; 6. a first gear; 7. a second gear; 8. a third gear; 9. a fourth gear; 10. an oil pump; 11. an oil pipe; 12. an oil top shell; 13. a heat dissipation box; 14. a radiating pipe; 15. heat dissipation holes; 16. mounting a rod; 17. a heat dissipation fan.

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. 1-3, the present invention provides a technical solution: a gear transmission box with excellent heat dissipation effect for a wind driven generator comprises a machine box 1 with an opening at the top, wherein three rotating holes 2 are respectively formed in the inner walls of two sides of the machine box 1, an input shaft 3, a middle rotating shaft 4 and an output shaft 5 are arranged in the machine box 1, the input shaft 3, the middle rotating shaft 4 and the output shaft 5 are respectively and rotatably connected with the inner walls of the two corresponding rotating holes 2, two ends of the input shaft 3, the middle rotating shaft 4 and the output shaft 5 respectively extend out of the corresponding rotating holes 2, a first gear 6 is arranged on the input shaft 3, a second gear 7 and a third gear 8 are arranged on the middle rotating shaft 4, the first gear 6 is meshed with the second gear 7, a fourth gear 9 is arranged on the output shaft 5, the third gear 8 is meshed with the fourth gear 9, an oil inlet and an oil outlet are fixedly arranged on the inner wall of the bottom of the machine box 1, an oil pump 10 is provided with an oil, one end of the oil pipe 11 close to the output shaft 5 extends into the case 1 and is communicated with an oil outlet of the oil pump 10;

in this embodiment, as shown in fig. 1-3, an oil top case 12 is disposed on the top of a chassis 1, a heat dissipation mechanism is disposed on the top of the oil top case 12, the heat dissipation mechanism includes a heat dissipation box 13, the bottom of the heat dissipation box 13 is fixedly connected to the top of the oil top case 12, a heat dissipation pipe 14 is disposed in the heat dissipation box 13, two ends of the heat dissipation pipe 14 respectively extend out of the heat dissipation box 13, one end of the heat dissipation pipe 14 close to an output shaft 5 is communicated with one end of an oil pipe 11 away from an oil pump 10, an oil inlet is disposed on the inner wall of the top of the oil top case 12, one end of the heat dissipation pipe 14 far from the oil pipe 11 penetrates through the oil inlet and is fixedly connected to the inner wall of the oil inlet, a heat dissipation hole 15 is disposed on the inner wall of the top of the heat dissipation box 13, two installation rods 16 are fixedly mounted on the inner, air inlets are formed in the inner walls of the two sides of the heat dissipation box 13.

The input shaft 3, the middle rotating shaft 4 and the output shaft 5 are respectively provided with a bearing, the inner rings of the six bearings are respectively fixedly sleeved on the input shaft 3, the middle rotating shaft 4 and the output shaft 5, and the outer rings of the six bearings are respectively fixedly connected with the inner walls of the corresponding rotating holes 2.

The inner walls of the two sides of the heat dissipation box 13 are provided with fixing holes, and the heat dissipation pipe 14 penetrates through the two fixing holes and is fixedly connected with the inner walls of the two fixing holes.

A filter cover is fixedly arranged on the inner wall of the bottom of the case 1, and the oil pump 10 is positioned in the filter cover.

The gear ratio of the second gear 7, the third gear 8 and the fourth gear 9 is 1: 3: 1: 3.

Specifically, the utility model discloses simple structure, convenient to use, the assembly and the maintenance of being convenient for can also lubricate and cool down each part simultaneously, the effectual life who prolongs the gearbox.

The working principle is as follows: when the gearbox works, the blades of the wind driven generator drive the input shaft 3 to rotate, the input shaft 3 drives the first gear 6 to rotate, the first gear 6 drives the second gear 7 to rotate, the second gear 7 drives the middle rotating shaft 4 to rotate, the middle rotating shaft 4 drives the third gear 8 to rotate, the third gear 8 drives the fourth gear 9 to rotate, the fourth gear 9 drives the output shaft 5 to rotate, the output shaft 5 drives the generator to rotate, and power generation can be carried out, because the gear ratio of the first gear 6, the second gear 7, the third gear 8 and the fourth gear 9 is 1: 3: 1: 3, the rotating speed of the output shaft 5 is multiplied by the rotating rotation of the input shaft 3 through the transmission of the first gear 6, the second gear 7, the third gear 8 and the fourth gear 9, thereby, even under the condition that the rotating speed of the blades of the wind driven generator is slower, the gearbox can also drive the generator to rotate at high speed and generate electricity, when the gearbox works, the first gear 6, the second gear 7, the third gear 8 and the fourth gear 9 are sealed in the case 1 through the oil top shell 12, in order to reduce the friction among the components, lubricating oil is filled in the machine case 1, the first gear 6, the second gear 7, the third gear 8 and the fourth gear 9 are all immersed in the lubricating oil, thereby playing a role of lubrication, and simultaneously enabling the oil pump 10 and the heat dissipation fan 17 to start along with the rotation of the paddle, therefore, when the gearbox works, the oil pump 10 can convey the lubricating oil in the case 1 into the radiating pipe 14 through the oil pipe 11, the radiating fan 17 can radiate the radiating pipe 14, and the lubricating oil subjected to radiating treatment enters the case 1 again, so that the high temperature generated when each part works can be reduced.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an excellent gearbox of radiating effect for aerogenerator, includes that the top is open-ended quick-witted case (1), its characterized in that: the improved oil pump is characterized in that three rotating holes (2) are formed in the inner walls of two sides of the case (1), an input shaft (3), a middle rotating shaft (4) and an output shaft (5) are arranged in the case (1), the input shaft (3), the middle rotating shaft (4) and the output shaft (5) are respectively connected with the inner walls of the two corresponding rotating holes (2) in a rotating mode, the two ends of the input shaft (3), the two ends of the middle rotating shaft (4) and the two ends of the output shaft (5) respectively extend out of the corresponding rotating holes (2), a first gear (6) is arranged on the input shaft (3), a second gear (7) and a third gear (8) are arranged on the middle rotating shaft (4), the first gear (6) is meshed with the second gear (7), a fourth gear (9) is arranged on the output shaft (5), the third gear (8) is meshed with the fourth gear (9), an oil pump (10) is fixedly installed on the inner wall of the bottom of the case (, the oil pump is characterized in that an oil inlet and an oil outlet are formed in the oil pump (10), an oil pipe (11) is arranged on one side, close to the oil pump (10), of the case (1), and one end, close to the output shaft (5), of the oil pipe (11) extends into the case (1) and is communicated with the oil outlet of the oil pump (10).

2. The gearbox excellent in heat dissipation effect for wind turbine according to claim 1, characterized in that: the top of the case (1) is provided with an oil top shell (12), the top of the oil top shell (12) is provided with a heat dissipation mechanism, the heat dissipation mechanism comprises a heat dissipation box (13), the bottom of the heat dissipation box (13) is fixedly connected with the top of the oil top shell (12), a heat dissipation pipe (14) is arranged in the heat dissipation box (13), two ends of the heat dissipation pipe (14) respectively extend out of the heat dissipation box (13), one end of the heat dissipation pipe (14) close to the output shaft (5) is communicated with one end of the oil pipe (11) far away from the oil pump (10), an oil inlet is formed in the inner wall of the top of the oil top shell (12), one end of the heat dissipation pipe (14) far away from the oil pipe (11) penetrates through the oil inlet and is fixedly connected with the inner wall of the oil inlet, heat dissipation holes (15) are formed in the inner wall of the top of the heat dissipation box (13), two mounting rods (, one end fixed mounting that two installation poles (16) are close to each other has same heat dissipation fan (17), heat dissipation fan (17) are located louvre (15) under, the air inlet has all been seted up on the both sides inner wall of heat dissipation case (13).

3. The gearbox excellent in heat dissipation effect for wind turbine according to claim 1, characterized in that: the input shaft (3), the middle rotating shaft (4) and the output shaft (5) are respectively provided with a bearing, the inner rings of the six bearings are respectively fixedly sleeved on the input shaft (3), the middle rotating shaft (4) and the output shaft (5), and the outer rings of the six bearings are respectively fixedly connected with the inner walls of the corresponding rotating holes (2).

4. The gearbox excellent in heat dissipation effect for wind turbine according to claim 2, characterized in that: the heat dissipation box is characterized in that fixing holes are formed in the inner walls of the two sides of the heat dissipation box (13), and the heat dissipation pipe (14) penetrates through the two fixing holes and is fixedly connected with the inner walls of the two fixing holes.

5. The gearbox excellent in heat dissipation effect for wind turbine according to claim 1, characterized in that: a filter cover is fixedly installed on the inner wall of the bottom of the case (1), and the oil pump (10) is located in the filter cover.

6. The gearbox excellent in heat dissipation effect for wind turbine according to claim 1, characterized in that: the gear ratio of the first gear (6), the second gear (7), the third gear (8) and the fourth gear (9) is 1: 3: 1: 3.