CN219159493U

CN219159493U - Offshore large megawatt wind power gear box structure

Info

Publication number: CN219159493U
Application number: CN202222661216.5U
Authority: CN
Inventors: 魏元健; 孔云飞; 朱钦威; 薛典; 秦亮亮; 于经泳
Original assignee: Jiangsu Haizhuang Wind Power Equipment Co ltd
Current assignee: Jiangsu Haizhuang Wind Power Equipment Co ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-06-09
Anticipated expiration: 2032-10-10

Abstract

The utility model discloses a marine large megawatt wind power gear box structure, which comprises: the gear box is the main gear structure of this device, and one side of gear box is equipped with the batch oil tank, and the positive fixed mounting of gear box has the access mouth, and the upper end of gear box is equipped with the heat dissipation groove that is used for giving off heat, and the upper end of batch oil tank is connected with the output tube, the output tube communicate in the lower extreme of heat dissipation groove, the lower extreme of heat dissipation groove is connected with back oil pipe, back oil pipe communicate in one side of gear box, should prevent that the oil mist of internal heat from oozing wind-powered electricity generation gear box, can effectively when the violent operation of wind-powered electricity generation gear box, the inside gradually rising lubricating oil cools down to avoid inside lubricating oil to evaporate because of the oil temperature is too high, thereby fundamentally stops the lubricating oil loss because of the oil mist oozes and leads to, also can effectively keep the lubrication effect of lubricating oil simultaneously, effectively improves wind-powered electricity generation gear box's life.

Description

Offshore large megawatt wind power gear box structure

Technical Field

The utility model relates to the technical field of wind power gear boxes, in particular to a marine large megawatt wind power gear box structure.

Background

The large megawatt gear box in the offshore wind generating set is an important mechanical component, and the main function of the large megawatt gear box is to change the speed of power generated by a wind wheel under the action of wind power, transmit the power to a generator, convert the high torque of the wind wheel into high rotation speed, ensure that the generator runs at high speed and generate a great amount of continuous electric energy, and belongs to the core component of the wind generating set.

The application number is as follows: CN201922035593. The utility model discloses a wind power gear box, and belongs to the technical field of wind power generation. The wind power gear box comprises: the output shaft is supported on the box body of the wind power gear box through a bearing pair; and the oil retainer is arranged on the output shaft and positioned at the inner side of the bearing pair, the oil retainer is in a fan blade shape, and the air flow direction formed by the oil retainer faces the inside of the wind power gear box. The fan-shaped oil retainer is arranged on the inner side of the bearing pair, so that the air flow direction formed by the oil retainer faces the inside of the wind power gear box, oil mist in the inside of the gear box is prevented from exuding, and oil drops are formed when the oil mist is condensed outside, so that oil leakage is caused.

Storage devices similar to the above application currently suffer from the following drawbacks: the lubricating oil evaporates into oil mist, and the main reason is that the high temperature generated by the high-speed operation of the speed change mechanism of the wind wheel, although the oil mist is condensed and flows back to the equipment as much as possible, the repeated atomization condensation can seriously influence the use effect of the lubricating oil, and the fundamental problem is not solved.

Accordingly, research and improvement are being made on the existing structure and the existing defects, and the offshore large megawatt wind power gear box structure is proposed so as to achieve the purpose of higher practical value.

Disclosure of Invention

The utility model aims to provide an offshore large megawatt wind power gear box structure for preventing internal heat oil mist from exuding, so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: offshore large megawatt wind power gearbox structure comprising:

the gear box is the main gear structure of this device, one side of gear box is equipped with the batch oil tank, the positive fixed mounting of gear box has the access mouth, the upper end of gear box is equipped with the radiating groove that is used for giving off heat, the upper end of batch oil tank is connected with the output tube, the output tube communicate in the lower extreme of radiating groove, the lower extreme of radiating groove is connected with returns the oil pipe, return the oil pipe communicate in one side of gear box.

Preferably, an output oil pump for conveying lubricating oil is arranged in the oil storage tank.

Preferably, a connecting disc for tightly connecting the fan housing is arranged on the outer side of the access opening.

Preferably, the upper end of the heat dissipation groove is provided with a plurality of groups of heat dissipation fins, the heat dissipation fins extend to the outside of the power generation fan, and the outside of the heat dissipation groove is tightly attached with an isolation rubber mat.

Preferably, a mounting plate for fixing the gear box is arranged at the lower end of the gear box, and a mounting frame is arranged at the outer side of the gear box.

Preferably, the output oil pump is provided with an oil pump motor, and the oil pump motor extends to the outer side of the oil storage tank.

Compared with the prior art, the utility model has the beneficial effects that: when the wind power gear box is operated violently, the oil temperature of the wind power gear box is gradually increased, so that the evaporation of internal lubricating oil due to the too high oil temperature is avoided, the loss of the lubricating oil caused by exudation of oil mist is fundamentally avoided, the use effect of the lubricating oil is effectively ensured, and the service life of the wind power gear box is effectively prolonged.

Drawings

FIG. 1 is a schematic view of an isometric structure of the present utility model;

FIG. 2 is a left-hand structural schematic diagram of the present utility model;

fig. 3 is a schematic elevational cross-sectional view of the present utility model.

In the figure: 1. a gear box; 2. an oil storage tank; 3. an output oil pump; 4. a heat sink; 5. an output pipe; 6. a heat sink; 7. isolating the rubber cushion; 8. a mounting frame; 9. an access port; 10. a connecting disc; 11. an oil return pipe; 12. an oil passage; 13. an oil pump motor.

Description of the embodiments

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. 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.

Referring to fig. 1-3, the present utility model provides a technical solution: comprising the following steps: the gear box 1 is the main gear structure of this device, and one side of gear box 1 is equipped with oil storage tank 2, and the positive fixed mounting of gear box 1 has access port 9, and the upper end of gear box 1 is equipped with the heat dissipation groove 4 that is used for giving off heat, and the upper end of oil storage tank 2 is connected with output tube 5, and output tube 5 communicates in the lower extreme of heat dissipation groove 4, and the lower extreme of heat dissipation groove 4 is connected with returns oil pipe 11, returns oil pipe 11 intercommunication in one side of gear box 1. The inside of the oil storage tank 2 is provided with an output oil pump 3 for conveying lubricating oil, and redundant lubricating oil can be stored in the oil storage tank 2, so that the sufficient storage of the lubricating oil is ensured. The outside of the access port 9 is provided with a connecting disc 10 for tightly connecting with the fan housing. The upper end of the heat dissipation groove 4 is provided with a plurality of groups of heat dissipation fins 6, the heat dissipation fins 6 extend to the outside of the power generation fan, and the outer side of the heat dissipation groove 4 is tightly attached with an isolation rubber mat, so that a gap between the fan and the heat dissipation groove 4 is fully closed, and the heat dissipation fins 6 extend to the outer side of the fan to contact flowing wind power. The lower extreme of gear box 1 is equipped with the mounting panel 12 that is used for fixed gear box 1, and the gear box 1 outside is equipped with mounting bracket 8. The output oil pump 3 is provided with an oil pump motor 13, and the oil pump motor 13 extends to the outer side of the oil storage tank 2.

Working principle: the device uses gear box 1 as the main part, gear box 1 passes through mounting panel 12 and mounting bracket 8 fixed mounting in the fan is inside, gear box 1 passes through access port 9, be connected with the impeller axis of fan, it is fixed through connection pad 10 connection fan, when the impeller rotates, the inside operation of starting of gear box 1, and the inside lubricating oil of storing in oil storage tank 2, lubricate the inside gear, the lubricating oil temperature rises gradually, output oil pump 3 just can be under the drive of oil pump motor 13 at this moment, input lubricating oil into heat dissipation groove 4 through output tube 5, the upper end of heat dissipation groove 4 is equipped with fin 6 of aluminium material, fin 6 extends to the outside of fan, consequently, can be through the outside wind-force with the heat dissipation in the fin 6 fast, heat dissipation groove 4 passes through isolated cushion 7, sealed fan, the oil after the cooling is direct returns to in the gear box 1 through return oil pipe 11, and then clear away the internal heat, accomplish the whole use flow of the device.

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

Claims

1. Offshore megawatt wind power gear box structure, characterized by comprising:

the gear box (1) is the main gear structure of this device, one side of gear box (1) is equipped with batch oil tank (2), the front fixed mounting of gear box (1) has access mouth (9), the upper end of gear box (1) is equipped with and is used for giving off thermal heat radiating groove (4), the upper end of batch oil tank (2) is connected with output tube (5), output tube (5) communicate in the lower extreme of radiating groove (4), the lower extreme of radiating groove (4) is connected with returns oil pipe (11), return oil pipe (11) communicate in one side of gear box (1).

2. Offshore megawatt wind power gearbox structure according to claim 1, characterized in that the interior of the oil storage tank (2) is provided with an output oil pump (3) for transporting lubricating oil.

3. Offshore megawatt wind power gearbox structure according to claim 1, characterized in that the outside of the access opening (9) is provided with a connection disc (10) for tight connection with the blower housing.

4. The offshore large megawatt wind power gearbox structure according to claim 1, wherein a plurality of groups of cooling fins (6) are arranged at the upper end of the cooling groove (4), the cooling fins (6) extend to the outside of the power generation fan, and an insulating rubber mat is tightly attached to the outer side of the cooling groove (4).

5. Offshore large megawatt wind power gear box structure according to claim 1, characterized in that the lower end of the gear box (1) is provided with a mounting plate (12) for fixing the gear box (1), and the outer side of the gear box (1) is provided with a mounting frame (8).

6. Offshore megawatt wind power gearbox structure according to claim 2, characterized in that the output oil pump (3) is provided with an oil pump motor (13), the oil pump motor (13) extending to the outside of the oil reservoir (2).