CN218206928U - Wind turbine generator system driftage reduction gear and grease collection device - Google Patents

Abstract

The utility model discloses a wind turbine generator yaw reducer grease collecting device, which comprises an annular oil collecting tank which is connected with a yaw reducer and used for collecting grease leaked from the joint of the upper end of the lower end cover of the yaw reducer; the annular oil collecting groove is connected with the lower end of the lower end cover, and a sealing gasket is arranged at the joint of the annular oil collecting groove and the lower end cover. The grease of seepage can be collected to this device, effectively avoids the grease that the seepage came out to pollute site work platform and corrode other equipment, need not the manual work and cleans, reduces staff's work load, and the clearance effect is better.

Description

Wind turbine generator system driftage reduction gear and grease collection device

Technical Field

The utility model relates to a technical field of fan facility, in particular to wind turbine generator system driftage reduction gear and grease collection device.

Background

Wind turbine generator system driftage reduction gear is wind turbine generator's important equipment, and when in actual use, wind turbine generator system driftage reduction gear exists, because the bolt-up of its bottom end cover is bad and lead to the condition of seepage grease under the high-speed pivoted condition, at present, for preventing that the grease that the seepage came out pollutes on-the-spot work platform and prevent that other equipment from being corroded by the grease, mostly clean the clearance through artifical regularly with the rag, but this kind of mode work load is big, and the clearance effect is not good.

Therefore, how to reduce the workload and ensure the cleaning effect is a technical problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a wind turbine generator system reduction gear grease collection device that drifts, the grease that can collect the seepage effectively avoids the seepage to come out pollutes on-the-spot work platform and corrodes other equipment, need not the manual work and cleans, reduces staff's work load, and the clearance effect is better.

In addition, a wind turbine generator yaw speed reducer is provided.

In order to achieve the purpose, the utility model provides a wind turbine generator yaw reducer grease collecting device, which comprises an annular oil collecting tank, a first oil collecting tank and a second oil collecting tank, wherein the annular oil collecting tank is connected with a yaw reducer and is used for collecting grease leaked from a leakage seam above a lower end cover of the yaw reducer;

the annular oil collecting groove is connected with the lower end of the lower end cover, and a sealing gasket is arranged at the joint of the annular oil collecting groove and the lower end cover.

Further, the annular oil collecting groove is connected with an oil drain valve.

Further, the annular oil collecting groove and the lower end cover are coaxial.

Further, the annular oil collecting groove and the lower end cover are detachably connected.

Further, the upper edge of the outer side wall of the annular oil collecting groove is higher than the upper end of the lower end cover.

Further, the upper end of the lateral wall of annular oil collecting tank is equipped with the roof, the roof with form between the inside wall of annular oil collecting tank and supply end cover male notch, the roof is equipped with first screw hole, and install in the head of the puller bolt of first screw hole is contradicted with the upper end that is located the intraoral lower end cover of notch.

Further, the upper end of the inner side wall of the annular oil collecting groove is provided with a coaxial annular plate, and the annular plate is parallel to the lower end cover.

Furthermore, a filter screen for separating the annular oil collecting groove into an upper cavity and a lower cavity is arranged in the annular oil collecting groove, and the oil drain valve is connected with the lower cavity.

In addition, a wind turbine generator system yaw reduction gear includes any above-mentioned wind turbine generator system yaw reduction gear grease collection device.

Adopt the utility model discloses a wind turbine generator system reduction gear grease collection device that drifts receives top-down trickling grease through the annular oil trap that adds to the grease of seepage is collected in the realization, and then avoids the grease of seepage to pollute on-the-spot work platform and prevent that other equipment from being corroded by the grease, need not artifical periodic cleaning and cleans, effectively reduces staff's work load.

Furthermore, the utility model discloses still relate to a wind turbine generator system reduction gear that drifts, because above-mentioned wind turbine generator system reduction gear grease collection device that drifts has above-mentioned technical effect, consequently wind turbine generator system reduction gear that drifts including this wind turbine generator system reduction gear grease collection device that drifts should have the same technical effect, no longer gives unnecessary details here.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a cross-sectional view of a grease collecting device for a yaw reducer of a wind turbine generator according to an embodiment of the present invention;

wherein: 1. the novel hydraulic oil pump comprises a yaw speed reducer, 2 an oil drain valve, 3 an annular oil collecting groove, 4 a filter screen, 5 an outer side wall, 6 a top plate, 7 a lower end cover, 8 a leakage gap, 9 a jacking bolt, 10 a sealing gasket and 11 an annular plate.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and embodiments.

Referring to fig. 1, the utility model discloses a wind turbine generator yaw reducer grease collecting device, which comprises an annular oil collecting tank 3 connected to a yaw reducer 1 and used for collecting grease leaked from a leakage seam 8 above a lower end cover 7 of the yaw reducer 1; it should be noted that, as shown in fig. 1, the yaw speed reducer 1 is provided with a plurality of cover plates from bottom to top, the lower end cover 7 is the cover plate located at the lowermost end, and grease received by the annular oil collecting tank 3 leaks from the cover plates.

Specifically, the annular oil collecting groove 3 is connected with the lower end of the lower end cover 7, a sealing gasket 10 is arranged at the joint of the annular oil collecting groove 3 and the lower end cover 7, the sealing gasket 10 can be a rubber sealing gasket 10, and the sealing gasket 10 is used for eliminating the sealing at the joint between the annular oil collecting groove 3 and the lower end cover 7 and eliminating the gap.

Use the utility model provides a during 1 grease collection device of wind turbine generator system driftage reduction gear, receive top-down trickling grease through the annular oil trap 3 that adds to the grease of seepage is collected in the realization, and then avoids the grease of seepage to pollute on-the-spot work platform and prevent that other equipment from being corroded by the grease, need not artifical periodic cleaning and cleans, effectively reduces staff's work load.

In particular implementations, the annular oil sump 3 is connected to the drain valve 2 to facilitate draining of grease collected in the annular oil sump 3 without requiring disassembly of the annular engine oil sump.

During specific production design, the annular oil collecting groove 3 can be arranged to be coaxial with the lower end cover 7, so that the installation is convenient, and the overall appearance is more harmonious after the annular oil collecting groove 3 is installed on the yaw speed reducer 1.

On the basis of the above embodiment, the annular oil collecting groove 3 and the lower end cover 7 are detachably connected, so that later-period disassembly, replacement or cleaning is facilitated.

For better technical effect, on the basis of the above embodiment, the upper edge of the outer side wall 5 of the annular oil collecting groove 3 is higher than the upper end of the lower end cover 7, so as to prevent the grease flowing downwards along the yaw speed reducer 1 from splashing when the leakage condition is serious; in addition, the volume of the annular oil collecting groove 3 capable of containing grease can be increased by matching with the housing of the yaw speed reducer 1.

On the basis of the above embodiment, the upper end of the outer side wall 5 of the annular oil collecting groove 3 is provided with the top plate 6, a notch for inserting the lower end cover 7 is formed between the top plate 6 and the inner side wall of the annular oil collecting groove 3, the top plate 6 is provided with the first threaded hole, the head of the tightening bolt 9 installed in the first threaded hole is abutted against the upper end of the lower end cover 7 located in the notch, and a gap is formed between the top plate 6 and the upper end of the lower end cover 7 and is used for oil to flow into the annular oil collecting groove 3.

Preferably, the top plate 6 is configured as a circular ring and is coaxial with the annular oil collecting tank 3, and the top plate and the annular oil collecting tank are detachably connected, specifically, a bolt and a nut can be used for connection.

The specific installation process is as follows: after the annular oil collecting tank 3 is sleeved on the lower end cover 7, the top plate 6 and the upper end of the outer side wall 5 higher than the lower end cover 7 are connected, the side edge of the lower end cover 7 is located between the top plate 6 and the inner side wall, and finally the puller bolt 9 is screwed into the first threaded hole until the head of the puller bolt 9 is abutted against the upper end of the lower end cover 7, so that the installation is completed.

When the novel yaw speed reducer is specifically implemented, the annular oil collecting groove 3 can be set to be 2 semicircular grooves, the annular oil collecting groove 3 can be installed in the yaw speed reducer 1 in a splicing mode in the later period, sealing of joints among the 2 semicircular grooves is needed, and oil leakage is avoided.

On the basis of the above embodiment, the upper end of the inner side wall of the annular oil collecting groove 3 is provided with the coaxial annular plate 11, and the annular plate 11 is parallel to the lower end cover 7, so that the contact area between the inner side wall and the sealing gasket 10 is increased, and the sealing performance is improved.

In order to achieve better technical effects, in the above embodiment, a filter screen 4 for dividing the annular oil collecting tank 3 into an upper cavity and a lower cavity is arranged in the annular oil collecting tank 3, and the oil drain valve 2 is connected with the lower cavity, so that the grease entering the annular oil collecting tank 3 can be filtered to remove foreign particles mixed in the grease, and then the grease can be directly recycled; wherein, the oil drain valve 2 can be an oil path switch valve.

In addition, a wind turbine generator yaw speed reducer comprises the grease collecting device of any one wind turbine generator yaw speed reducer 1.

Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a component of' 8230; \8230;" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.

In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. The grease collecting device for the yaw speed reducer of the wind turbine generator is characterized by comprising an annular oil collecting tank (3) which is connected to the yaw speed reducer (1) and used for collecting grease leaked from a leakage seam (8) above a lower end cover (7) of the yaw speed reducer (1);

the annular oil collecting groove (3) is connected with the lower end of the lower end cover (7), and a sealing gasket (10) is arranged at the joint of the annular oil collecting groove (3) and the lower end cover (7).

2. The grease collecting device for the yaw reducer of the wind turbine generator according to claim 1, wherein an oil drain valve (2) is connected to the annular oil collecting groove (3).

3. The grease collecting device for the yaw reducer of the wind turbine generator according to claim 2, wherein the annular oil collecting groove (3) and the lower end cover (7) are coaxial.

4. The grease collecting device for the wind turbine generator yaw reducer according to claim 3, wherein the annular oil collecting groove (3) and the lower end cover (7) are detachably connected.

5. The grease collecting device for the yaw reducer of the wind turbine generator according to claim 4, wherein the upper edge of the outer side wall (5) of the annular oil collecting groove (3) is higher than the upper end of the lower end cover (7).

6. The grease collecting device for the yaw speed reducer of the wind turbine generator set according to claim 5, wherein a top plate (6) is arranged at the upper end of the outer side wall (5) of the annular oil collecting groove (3), a notch for inserting the lower end cover (7) is formed between the top plate (6) and the inner side wall of the annular oil collecting groove (3), the top plate (6) is provided with a first threaded hole, and the head of a puller bolt (9) installed at the first threaded hole is abutted against the upper end of the lower end cover (7) located in the notch.

7. The grease collecting device for the yaw reducer of the wind turbine generator according to claim 6, wherein the upper end of the inner side wall of the annular oil collecting groove (3) is provided with a coaxial annular plate (11), and the annular plate (11) is parallel to the lower end cover (7).

8. The grease collecting device for the wind turbine yaw reducer according to any one of claims 2 to 7, wherein a filter screen (4) for dividing the annular oil collecting groove (3) into an upper cavity and a lower cavity is arranged in the annular oil collecting groove, and the oil drain valve (2) is connected with the lower cavity.

9. A wind turbine yaw retarder comprising a wind turbine yaw retarder grease collection device according to any of claims 1 to 8.

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