CN219549562U

CN219549562U - Gear box body structure of wind driven generator

Info

Publication number: CN219549562U
Application number: CN202320332083.9U
Authority: CN
Inventors: 李民峰; 陈冬燕; 沈子卿
Original assignee: Hangzhou Huilun Technology Co ltd
Current assignee: Hangzhou Huilun Technology Co ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-08-18
Anticipated expiration: 2033-02-28

Abstract

The utility model discloses a gearbox box structure of a wind driven generator, which comprises: the case lid, for the main structure of this gear box, the front of case lid is equipped with positive flange, the case lid with another position face that positive flange is relative is equipped with inner circle flange, still seted up multiunit fretwork oil groove on the case lid, the inboard of fretwork oil groove is provided with the heat dissipation pipe, the heat dissipation pipe extends to the outside of case lid, the lower extreme of case lid is equipped with heat abstractor, the heat dissipation pipe communicate in heat abstractor. The box body structure for the gearbox of the wind driven generator can effectively reduce the temperature of lubricating oil in the box body of the gearbox by additionally arranging the cooling system, improves the operation effect and service life of the gearbox, and can improve the strength and stability of the box body by adopting an integral structure formed by pouring special alloy.

Description

Gear box body structure of wind driven generator

Technical Field

The utility model relates to the technical field of gear box bodies, in particular to a gear box body structure of a wind driven generator.

Background

The wind driven generator is an environment-friendly power generation mode, the core component of the wind driven generator is a gear box, the gear box is used as one of the core components in the wind driven generator for transmitting the rotation force of the wind wheel, and whether the performance of the gear box is stable or not directly influences the operation effect and the service life of the wind driven generator;

the application number is as follows: the utility model relates to a gearbox box body of a wind generating set, which comprises a box body seat, wherein one side surface of the box body seat is provided with a first-stage annular gear connecting flange which can provide support for a first-stage annular gear, the other side surface of the box body seat is provided with a second-stage annular gear connecting flange which can provide support for a second-stage annular gear, and two side surfaces of the box body seat are respectively provided with an integral flange which can be connected with a whole machine shell. The utility model provides a gearbox box body of a wind generating set, which provides support for a primary annular gear and a secondary annular gear, is small in size, and meanwhile, a box body seat is used as a part of a whole machine shell, so that static load of an impeller is transferred to a tower, and cost is saved.

A gearbox housing for a wind turbine generator system similar to the above application currently has the following drawbacks:

in the above and conventional gearbox casing structures of wind turbines, the lubricating oil is easily oxidized and decomposed at high temperature, resulting in poor operation effect or shortened service life of the gearbox. Therefore, on the basis of the prior art, the temperature of lubricating oil in the gearbox body can be effectively reduced by additionally arranging the cooling system, so that the operation effect and the service life of the gearbox are improved.

Accordingly, in view of the above, research and improvement on the existing structure and defects have been conducted, and a gearbox housing of a wind turbine is proposed to achieve the purpose of having more practical value.

Disclosure of Invention

The utility model aims to provide a gearbox body structure of a wind driven generator, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a gearbox housing structure for a wind turbine, comprising:

the case lid, for the main structure of this gear box, the front of case lid is equipped with positive flange, the case lid with another position face that positive flange is relative is equipped with inner circle flange, still seted up multiunit fretwork oil groove on the case lid, the inboard of fretwork oil groove is provided with the heat dissipation pipe, the heat dissipation pipe extends to the outside of case lid, the lower extreme of case lid is equipped with heat abstractor, the heat dissipation pipe communicate in heat abstractor.

Preferably, the case cover is made of alloy steel, integrally cast and forged, is manufactured by CNC cutting, and is subjected to a heat treatment process to improve service life, and the upper end of the case cover is provided with a fixing bolt connecting end.

Preferably, the center of the positive connection flange is provided with a connection channel which is convenient for penetrating through the bearing, the front surface of the positive connection flange is provided with a plurality of groups of screw mounting holes, and the screw mounting holes are rotated about the axis of the positive connection flange to form ten groups.

Preferably, the heat dissipation conduit is made of copper, and is filled with liquefied cooling liquid.

Preferably, the inner ring connecting flange is provided with a plurality of groups of connecting holes for connecting gear rings of the gear box and a plurality of groups of positioning holes.

Preferably, a lubricating oil path for outputting lubricating oil to the bearing is formed in the hollow oil groove.

Preferably, the heat removal device comprises a heat dissipation cold row and a heat dissipation fan, and the heat dissipation cold row is made of aluminum.

Compared with the prior art, the utility model has the beneficial effects that: the box body structure for the gearbox of the wind driven generator can effectively reduce the temperature of lubricating oil in the box body of the gearbox by additionally arranging the cooling system, improves the operation effect and service life of the gearbox, and can improve the strength and stability of the box body by adopting the special alloy forged integrated structure.

Drawings

FIG. 1 is a schematic diagram of a three-dimensional front view structure of the present utility model;

FIG. 2 is a schematic diagram of a three-dimensional rear view structure of the present utility model;

FIG. 3 is a schematic elevational view of the present utility model;

fig. 4 is a schematic rear view of the present utility model.

In the figure: 1. a case cover; 2. a positive connection flange; 3. the inner ring is connected with the flange; 4. a heat dissipation conduit; 5. hollow oil grooves; 6. fixing the bolt connecting end; 7. a connection channel; 8. a screw mounting hole; 9. a heat removal device; 10. a connection hole; 11. positioning holes; 12. a lubrication oil path; 13. radiating cold rows; 14. a heat radiation fan.

Detailed Description

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. 1-4, a gearbox housing structure for a wind turbine includes: the case lid 1, for the main structure of this gear box, the front of case lid 1 is equipped with just flange 2, and the case lid 1 is equipped with inner circle flange 3 with just another face that flange 2 is relative, has still seted up multiunit fretwork oil groove 5 on the case lid 1, and fretwork oil groove 5's inboard is provided with heat dissipation pipe 4, and heat dissipation pipe 4 extends to the outside of case lid 1, and the lower extreme of case lid 1 is equipped with heat abstractor 9, and heat dissipation pipe 4 communicates in heat abstractor 9. The case lid 1 adopts alloy steel to adopt integrative pouring forging, adopt CNC cutting to make, and have passed through heat treatment technology in order to improve life-span, the upper end of case lid 1 is equipped with fixing bolt link 6, and has passed through special processing case lid 1, can further improve wear resistance to and bulk strength, effectively improve life. The center of the positive connection flange 2 is provided with a connection channel 7 which is convenient for penetrating through a bearing, the front surface of the positive connection flange 2 is provided with a plurality of groups of screw mounting holes 8, and the screw mounting holes 8 are rotatably provided with ten groups relative to the axis of the positive connection flange 2. The heat dissipation conduit 4 is made of copper, and is filled with liquefied coolant. The inner ring connecting flange 3 is provided with a plurality of groups of connecting holes 10 for connecting gear rings of the gear box and a plurality of groups of positioning holes 11. The hollow oil groove 5 is provided with a lubricating oil way 12 for outputting lubricating oil to the bearing, so that the lubricating oil can enter the bearing more smoothly, and the lubricating and running effects of the gear of the gearbox can be effectively ensured. The heat extraction device 9 consists of a heat radiation cold row 13 and a heat radiation fan 14, wherein the heat radiation cold row 13 is made of aluminum, so that the temperature of lubricating oil in a gearbox can be effectively reduced, and the operation effect and the service life of the gearbox are improved.

To sum up: this gear box to case lid 1 is main structure, positive flange 2 is used for connecting aerogenerator's main shaft input, the bearing of input passes connecting channel 7, lubricating oil in the fretwork oil groove 5 can circulate inside business turn over bearing through connecting hole 10 simultaneously, realize lubrication, inner circle flange 3 then is used for connecting the ring gear structure, locating hole 11 and connecting hole 10 all are used for connecting the ring gear structure, heat dissipation pipe 4 relies on the coolant liquid, take out the heat from fretwork oil groove 5, cool off the coolant liquid through heat dissipation cold row 13 and radiator fan 14, finally get back to in the fretwork oil groove 5, realize the radiating purpose, accomplish the use of this mechanism.

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. The utility model provides a wind-driven generator gear box structure which characterized in that includes:

case lid (1), for the main structure of this gear box, the front of case lid (1) is equipped with just flange (2), case lid (1) with just another position face that flange (2) is relative is equipped with inner circle flange (3), multiunit fretwork oil groove (5) have still been seted up on case lid (1), the inboard of fretwork oil groove (5) is provided with heat dissipation pipe (4), heat dissipation pipe (4) extend to the outside of case lid (1), the lower extreme of case lid (1) is equipped with heat abstractor (9), heat dissipation pipe (4) communicate in heat abstractor (9).

2. The gearbox body structure of the wind driven generator according to claim 1, wherein the box cover (1) is made of alloy steel, integrally cast and forged, is manufactured by CNC cutting, and is subjected to a heat treatment process to improve service life, and a fixing bolt connecting end (6) is arranged at the upper end of the box cover (1).

3. The gearbox box structure of a wind driven generator according to claim 1, wherein a connecting channel (7) which is convenient for penetrating through a bearing is formed in the center of the positive connecting flange (2), a plurality of groups of screw mounting holes (8) are formed in the front face of the positive connecting flange (2), and ten groups of screw mounting holes (8) are rotatably arranged around the axis of the positive connecting flange (2).

4. A gearbox housing structure for a wind turbine according to claim 1, wherein the heat dissipation conduit (4) is made of copper and is filled with liquefied cooling liquid.

5. A gearbox casing structure of a wind driven generator according to claim 1, wherein the inner ring connecting flange (3) is provided with a plurality of groups of connecting holes (10) for connecting with gear rings of the gearbox, and a plurality of groups of positioning holes (11).

6. The gearbox body structure of the wind driven generator according to claim 1, wherein the hollowed-out oil groove (5) is provided with a lubricating oil path (12) for outputting lubricating oil to a bearing.

7. The gearbox housing structure of a wind driven generator according to claim 1, wherein the heat extraction device (9) consists of a heat dissipation cold row (13) and a heat dissipation fan (14), and the heat dissipation cold row (13) is made of aluminum.