CN214499987U

CN214499987U - Double-planet lubricating device for wind power gear box

Info

Publication number: CN214499987U
Application number: CN202022127258.1U
Authority: CN
Inventors: 高远俊; 董龙梅; 王庆良
Original assignee: Hangzhou Advance Gearbox Group Co Ltd
Current assignee: Hangzhou Advance Gearbox Group Co Ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-10-26
Anticipated expiration: 2030-09-24

Abstract

The utility model relates to a double-planet lubricating device of a wind power gear box, which comprises a box body, a primary planet device, a secondary planet device, a primary copper sleeve, a secondary copper sleeve and an oil inlet ring; the one-level planetary device, first lubrication channel has been seted up in the second grade planetary device respectively, the second lubrication channel, the one-level copper sheathing is fixed in the one-level planetary device one end that is close to the second grade planetary device, and the one-level copper sheathing is equipped with the first lubrication hole that aligns with first lubrication channel opening, the one end that the second grade copper sheathing is fixed at the second grade planetary device and is close to the one-level planetary device, and the second grade copper sheathing is equipped with the second lubrication hole that aligns with the second lubrication channel opening, in the oil feed ring set up box, the inner wall of oil feed ring is equipped with the hole that communicates with first lubrication hole, the outer wall of oil feed ring is equipped with the outer hole that communicates with the second lubrication hole. The utility model has the characteristics of compact structure, part kind are few, the reliability is high, have solved compact structure's wind-powered electricity generation gear box planetary level's lubrication.

Description

Double-planet lubricating device for wind power gear box

Technical Field

The utility model relates to a lubricated field of mechanical equipment especially relates to a wind-powered electricity generation gear box double row star lubricating arrangement.

Background

With the arrival of the wind power market fair era, the pressure of reducing the cost of the wind generating set is greater and greater, and the design of the generating set with a compact structure becomes the trend of wind power development, which determines the further compression of the sizes of all main parts in the generating set. The wind power gear box is used as a core transmission component of the generator set, the size of the wind power gear box is further reduced, the transmission torque is increased, and meanwhile, the size of parts is reduced, and therefore the design of the gear box is more challenging.

The wind power gear box mainly adopts a two-stage planetary gear transmission mode and a one-stage parallel shaft gear transmission mode, and the traditional lubricating mode lubricates gears, bearings and splines in the one-stage planetary device and the two-stage planetary device respectively through a one-stage oil feeding ring and a two-stage oil feeding ring. For the wind power gear box with a large axial size in the early period, two sets of oil feeding devices, namely a first-level oil feeding ring and a second-level oil feeding ring, can be arranged. However, for a wind power gear box with a compact structure, two sets of oil inlet devices are not arranged in an axial space, and aiming at the problem, a novel structure must be invented to meet the design requirement.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the utility model is to provide a wind-powered electricity generation gear box double row star lubricating arrangement that compact structure, part kind are few, the reliability is high.

In order to realize the utility model, the utility model discloses a following technical scheme:

a double-planet lubricating device for a wind power gear box comprises a box body, a primary planet device, a secondary planet device, a primary copper sleeve, a secondary copper sleeve and an oil inlet ring; the first-stage planetary device and the second-stage planetary device are respectively arranged in the box body, a first lubricating channel and a second lubricating channel are respectively arranged in the first-stage planetary device and the second-stage planetary device, the first-stage copper sleeve is fixed at one end, close to the second-stage planetary device, of the first-stage planetary device and provided with a first lubricating hole aligned with an opening of the first lubricating channel, the second-stage copper sleeve is fixed at one end, close to the first-stage planetary device, of the second-stage planetary device and provided with a second lubricating hole aligned with an opening of the second lubricating channel, the oil inlet ring is arranged in the box body and located between the first-stage planetary device and the second-stage planetary device, an outer hole aligned with the first lubricating hole is formed in the outer wall of the oil inlet ring, and an inner hole aligned with the second lubricating hole is formed in the inner wall of the oil inlet ring.

As a preferred scheme, the secondary copper sleeve is sleeved on a shaft of the secondary planetary device, one end of the secondary copper sleeve is abutted against the step surface of the shaft, and the other end of the secondary copper sleeve is fixed through the secondary pressing plate.

Preferably, the first-stage copper sleeve is fixed with the first-stage planetary device through a fastening screw.

Preferably, the oil inlet ring is further provided with a third lubrication hole, a fourth lubrication hole, and a fifth lubrication hole for lubricating other components.

Due to the adoption of the technical scheme, the utility model discloses following superiority has:

1. utilize the utility model discloses a two planet lubricating arrangement of wind-powered electricity generation gear box realizes the lubrication to one-level planetary device and second grade planetary device through one set of oil feed ring device, the axial dimension of the gear box that shortens greatly, the difficult problem that axial dimension is not enough among the design of solution arranges.

2. The outer hole of the oil inlet ring is in clearance fit with the first-stage copper sleeve to form a certain oil film, so that lubricating oil is ensured to lubricate a bearing, a gear and a spline in the first-stage planetary device; the inner hole of the oil inlet ring and the second-level copper sleeve form clearance movable fit to form a certain oil film, so that lubricating oil is guaranteed to lubricate a bearing, a gear and a spline in the second-level planetary device. The device has the advantages of compact structure, small number of parts, high lubricating efficiency and high reliability.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

Fig. 1 is a schematic view of the overall cross-sectional structure of the present invention;

fig. 2 is an enlarged schematic view of a partial structure of the present invention.

The reference numbers in the figures are: 1. a primary planetary device; 2. a third lubrication hole; 3. an oil inlet ring; 4. a secondary pressing plate; 5. fastening screws; 6. a second lubrication hole; 7. a second-level copper sleeve; 8. a fourth lubrication hole; 9. a secondary planetary device; 10. a box body; 11. an oil inlet; 12. a fifth lubrication hole; 13. a first-level copper sleeve; 14. a first lubrication hole; 15. a first lubrication channel; 16. a second lubrication channel.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, elements, and/or combinations thereof, unless the context clearly indicates otherwise.

Furthermore, in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The invention will be further explained with reference to the following embodiments and drawings:

the double-planet lubricating device for the wind power gearbox as shown in the figures 1 and 2 comprises a box body 10, a primary planet device 1, a secondary planet device 9, a primary copper bush 13, a secondary copper bush 7 and an oil inlet ring 3; the first-stage planetary device 1 and the second-stage planetary device 9 are respectively arranged in the box body 10, a first lubricating channel 15 and a second lubricating channel 16 are respectively arranged in the first-stage planetary device 1 and the second-stage planetary device 9, the primary copper sleeve 13 is fixed at one end of the primary planetary device 1 close to the secondary planetary device 9 through a fastening screw 5, and the primary copper jacket 13 is provided with a first lubrication hole 14 aligned with the opening of the first lubrication channel 15, the secondary copper bush 7 is fixed at one end of the secondary planetary device 9 close to the primary planetary device 1, and the second-level copper sleeve 7 is provided with a second lubricating hole 6 aligned with the opening of a second lubricating channel 16, the oil inlet ring 3 is arranged in the box body 10, and is located between primary planet device 1 and second grade planet device 9, the inner wall of advancing the oil ring 3 is equipped with the hole with first lubrication hole 14 intercommunication, the outer wall of advancing the oil ring 3 is equipped with the outer hole with second lubrication hole 6 intercommunication.

The second-stage copper sleeve 7 is sleeved on a shaft of the second-stage planetary device, one end of the second-stage copper sleeve abuts against a step surface of the shaft, and the other end of the second-stage copper sleeve is fixed through the second-stage pressing plate 4. The second-stage pressing plate 4 is fixed on the end face of the shaft and is tightly abutted to the other end of the second-stage copper sleeve. The oil inlet ring 3 is further provided with a third lubrication hole 2, a fourth lubrication hole 8 and a fifth lubrication hole 12 for lubricating other components.

The box body 10 is further provided with an oil inlet 11, and lubricating oil enters from the oil inlet 11 on the box body 10 and flows into the oil inlet ring 3. The excircle of the oil inlet ring 3 is in clearance fit with the first-stage copper sleeve 13, a certain oil film is formed on a part of lubricating oil at the clearance between the excircle of the oil inlet ring 3 and the first-stage copper sleeve 13, and the lubricating oil enters the first lubricating channel 15 of the first-stage planetary device 1 through the first lubricating hole 14 of the first-stage copper sleeve 13, so that the lubricating oil is ensured to lubricate a bearing, a gear and a spline in the first-stage planetary device 1; the other part of the lubricating oil forms a certain oil film at the gap between the inner circle of the oil inlet ring 3 and the secondary copper sleeve 7 and enters a second lubricating channel 16 of the secondary planetary device 9 through a second lubricating hole 6 of the secondary copper sleeve 7, so that the lubricating oil is ensured to lubricate a bearing, a gear and a spline in the secondary planetary device 9.

The utility model overcomes prior art does not have the problem of two sets of oil feed devices of axial spatial arrangement in compact structure's gearbox, just can realize the lubrication to gear, bearing, spline in one-level planetary device and the second grade planetary device through an oil feed ring device. The device has the advantages of compact structure, small number of parts, high lubricating efficiency and high reliability, and can better solve the problem of planet-level lubrication of the wind power gear box with compact structure.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that those skilled in the art can make changes, modifications, substitutions and alterations to the above embodiments without departing from the spirit and scope of the present invention, and that any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention still fall within the technical scope of the present invention.

Claims

1. The utility model provides a wind-powered electricity generation gear box double row star lubricating arrangement which characterized in that: the device comprises a box body (10), a primary planetary device (1), a secondary planetary device (9), a primary copper sleeve (13), a secondary copper sleeve (7) and an oil inlet ring (3); the first-stage planetary device (1) and the second-stage planetary device (9) are respectively arranged in a box body (10), a first lubricating channel (15) and a second lubricating channel (16) are respectively arranged in the first-stage planetary device (1) and the second-stage planetary device (9), the first-stage copper sleeve (13) is fixed at one end, close to the second-stage planetary device (9), of the first-stage planetary device (1), the first-stage copper sleeve (13) is provided with a first lubricating hole (14) aligned with the opening of the first lubricating channel (15), the second-stage copper sleeve (7) is fixed at one end, close to the first-stage planetary device (1), of the second-stage planetary device (9), the second-stage copper sleeve (7) is provided with a second lubricating hole (6) aligned with the opening of the second lubricating channel (16), the oil inlet ring (3) is arranged in the box body (10) and is positioned between the first-stage planetary device (1) and the second-stage planetary device (9), the outer wall of the oil inlet ring (3) is provided with an outer hole aligned with the first lubricating hole (14), and the inner wall of the oil inlet ring (3) is provided with an inner hole aligned with the second lubricating hole (6).

2. The double-planet lubricating device for the wind power gearbox according to claim 1, wherein the secondary copper sleeve (7) is sleeved on a shaft of the secondary planet device, one end of the secondary copper sleeve abuts against a step surface of the shaft, and the other end of the secondary copper sleeve is fixed through a secondary pressing plate (4).

3. The double-planet lubricating device for the wind power gearbox is characterized in that the primary copper sleeve (13) is fixed with the primary planet device (1) through a fastening screw (5).

4. The double-planet lubricating device for the wind power gearbox is characterized in that the oil inlet ring (3) is further provided with a third lubricating hole (2), a fourth lubricating hole (8) and a fifth lubricating hole (12) which are used for lubricating other parts.