CN211117514U - Built-in lubricating oil pipeline system for gear box - Google Patents

Abstract

The utility model discloses a built-in lubricating oil pipeline system for a gear box, which comprises a plurality of lubricating oil pipelines connected with a lubricating oil distributor; the main body part of the lubricating oil distributor is arranged in the box body; the lubricating oil pipelines comprise an internal centralized oil supply pipe, a high-speed shaft front bearing lubricating oil pipeline, a high-speed shaft rear bearing lubricating oil pipe, a parallel pair rear bearing lubricating oil pipe and a parallel pair gear lubricating oil pipe, wherein the internal centralized oil supply pipe is connected with the lubricating oil distributor through the part, positioned in the box body, of the lubricating oil distributor. Preferably, the internal oil passage to which the internal centralized oil supply pipe is connected has a plurality of lubrication oil supply points including a secondary bearing; the secondary planetary gear lubricating oil is provided through a branch pipe; the lubricating oil pipe and the branch pipe of the parallel pinion are both provided with lubricating oil in an oil dripping and supplying mode. The beneficial effects of the utility model are that, lubricating oil does not have the outer hidden danger that leaks, and maintenance work volume is little, and box simple structure, processing are convenient, and lubricating oil consumes fewly, and it is low to make and use cost, and has the inside and outside advantage that combines concurrently.

Description

Built-in lubricating oil pipeline system for gear box

Technical Field

The utility model relates to a lubricated oil circuit of gear box, especially a gear box is with built-in lubricated oil pipe way system.

Background

The lubricating oil circuit of the existing wind power gear box lubricating system mainly comprises two structural forms, namely, oil is supplied through an external pipeline, and an oil channel is processed on a box body to form an oil circuit, but corresponding defects exist. When an external pipeline is adopted for supplying oil, firstly, in the process of disassembling and maintaining the gear box, the corresponding lubricating joint needs to be disassembled and reassembled, so that the sealing property of the joint of the pipeline is easy to lose efficacy; secondly, in the transportation process, the pipeline is easy to deform and even damage due to the fact that the oil pipe is exposed outside; lubricating oil distributor is located the gear box outside, and all oil pipes pass through threaded connection's joint and install on lubricating oil distributor, and long-term operation screw thread can appear becoming flexible and lead to lubricating oil to leak outward, causes lubricating oil extravagant, increases maintenance and running cost. And when the structure that the oil duct is processed on the box body to form the oil path is adopted, the structure of the box body is complex, the workload of drilling in the box body is large, and the processing cost is obviously increased. For this reason, improvements to existing detection methods are needed.

Disclosure of Invention

The utility model aims at being in prior art, gear box lubricating oil circuit is easy oil leak or the box processing cost is high not enough, provide a gear box with built-in lubricating oil pipe way system, this system establishes inside the box lubricating oil distributor's main part, and provide lubricated some oil consumption through the most pipeline of inside setting, thereby not only showing and reducing oil pipe and exposing quantity, eliminate or reduce lubricated outer hourglass hidden danger, still form inside fuel feeding mode through setting up inside pipeline, obviously reduce box complexity and the processing degree of difficulty, corresponding reduction processing work volume, and the manufacturing cost is reduced.

In order to achieve the above purpose, the present invention adopts the following technical solution.

A built-in lubricating oil pipeline system for a gear box comprises a plurality of lubricating oil pipelines connected to a lubricating oil distributor; the main body part of the lubricating oil distributor is arranged in the box body; the lubricating oil pipelines comprise an internal centralized oil supply pipe, a high-speed shaft front bearing lubricating oil pipeline, a high-speed shaft rear bearing lubricating oil pipe, a parallel pair rear bearing lubricating oil pipe and a parallel pair gear lubricating oil pipe, wherein the internal centralized oil supply pipe is connected with the lubricating oil distributor through the part, positioned in the box body, of the lubricating oil distributor.

The utility model adopting the technical proposal, the main body part of the lubricating oil distributor is arranged inside the box body, so that the internal centralized oil supply pipe, the front bearing lubricating oil pipeline of the high-speed shaft, the rear bearing lubricating oil pipe of the parallel pair and the parallel pinion lubricating oil pipe which form a plurality of lubricating oil pipelines are all connected to the lubricating oil distributor inside the box body, although the distributor generally needs to provide lubricating oil for the first-level planetary gear, the oil supply can not be realized in an internal oil pipe mode due to the limitation of the arrangement position of the first-level planetary gear, so that most pipelines of a plurality of oil supply points are positioned inside the box body, thereby not only obviously reducing the exposed number of the oil pipes and eliminating or reducing the hidden danger of lubricating leakage, but also forming an internal oil supply mode by arranging the internal pipeline, obviously reducing the complexity and the processing difficulty of the box body, the manufacturing cost is reduced. The internal pipeline is mainly arranged by depending on the internal outline of the box body, so that the internal space of the box body can be effectively utilized, and a branch lubricating pipeline can be arranged by utilizing a lubricating point close to the distributor, so that the material for the lubricating pipeline is reduced, and the cost is reduced; in addition, the internal centralized oil supply points can be utilized to supply oil to the lubricating points without the oil pipe arrangement space through the internal oil passage, so that the respective advantages of the internal oil supply and the external oil supply are fully utilized, and an internal and external combined optimal oil supply scheme is formed.

Preferably, the internal centralized oil supply pipe is connected to an inlet end of a first internal oil passage, and the first internal oil passage is provided with a plurality of lubricating oil supply points comprising a secondary bearing; and a branch pipe is connected to the first internal oil duct and used for supplying lubricating oil to a meshing part of the secondary planet gear and the large gear ring. The internal oil passage can be formed on the box body in a part and on the box inner member in a processing mode and a position, so that the lubricating requirements of lubricating parts which are inconvenient to arrange or do not have oil pipe space are effectively met, for example, a secondary bearing, a large output front bearing, a spline meshing part, a meshing part of a sun gear and a planet gear and the like, and a lubricating system with complementary advantages of an internal oil passage arrangement mode and an external oil passage arrangement mode is formed.

Preferably, the parallel pinion lubricating oil pipe and the branch pipe both adopt a mode of oil dripping and supplying to provide lubricating oil. Oil drip lubrication is mainly used for gear lubrication, and the accessible is buckled the pipeline, makes it more be close to the lubrication point to make full use of is lubricated, reduces lubricating oil consumption, ensures lubricated effect. The existing external lubrication pipeline and the box body are difficult to process lubrication oil channels.

Preferably, the lubricating oil pipe of the front bearing of the high-speed shaft consists of a front-section pipe and a rear-section pipe, and the front-section pipe is communicated with the rear-section pipe through a second internal oil passage. The lubricating oil supply pipeline of the front bearing of the high-speed shaft is formed in a mode of combining the two sections of structures with the internal oil passage, so that the problem of obstacle crossing in an oil pipe arrangement path is effectively solved, the oil pipe is enabled to be more tightly attached to the inner wall of the box body, and the compactness of the structural layout is ensured.

The beneficial effects of the utility model are that, lubricating oil does not have the outer hidden danger that leaks, and maintenance work volume is little, and box simple structure, processing are convenient, and lubricating oil consumes fewly, and it is low to make and use cost, and has the inside and outside advantage that combines concurrently.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a top view of fig. 1 of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings, which are not intended to limit the scope of the embodiments described herein.

Referring to fig. 1 and 2, a built-in lubricating oil pipeline system for a gear box comprises a lubricating oil distributor 5 and a plurality of lubricating oil pipelines connected to the lubricating oil distributor 5, wherein the lubricating oil distributor 5 is installed at an interface of the gear box, and the lower half part of the main body part of the lubricating oil distributor is arranged in a box body; the main body part of the lubricating oil distributor 5 is arranged in the box body; the lubricating oil pipelines comprise an internal centralized oil supply pipe 1, a high-speed shaft front bearing lubricating oil pipeline, a high-speed shaft rear bearing lubricating oil pipe 3, a parallel pair rear bearing lubricating oil pipe 4 and a parallel pair gear lubricating oil pipe 9, wherein the internal centralized oil supply pipe 1 is connected with the lubricating oil distributor 5 through the part, located in the box body, of the lubricating oil distributor 5.

The first internal oil duct comprises a part formed on the box body and a part formed on an in-box component according to the structure position of the oil supply points; a branch pipe 8 is connected to the first internal oil passage, and the branch pipe 8 is used for supplying lubricating oil to the meshing part of the secondary planet gear and the large gear ring; the lubricating oil pipe 9 of the parallel pinion is bent to be close to the parallel pinion and oil dripping and supplying is adopted, and the branch pipe 8 is bent to be close to the second-stage planetary gear and oil dripping and supplying is also adopted; the lubricating oil pipe of the front bearing of the high-speed shaft consists of a front section pipe 2 and a rear section pipe 7, the front section pipe 2 and the lubricating oil distributor 5 are arranged on the rear section pipe 7, the rear section pipe 7 is communicated with the front section pipe 2 through a second internal oil passage on the box body, the lubricating oil of the front bearing of the high-speed shaft is provided by the rear section pipe 7, and the second internal oil passage is formed on a bearing seat of a second-level planetary gear forming a direct obstacle. The part of the lubricating oil distributor 5 positioned outside the box body is provided with a main oil inlet hole 5a for supplying main lubricating oil to the lubricating oil distributor 5, the part is also connected with a first-stage planetary gear lubricating oil pipe 6, and the first-stage planetary gear lubricating oil pipe 6 is positioned outside the box body and is connected with the box body through a joint so as to supply lubricating oil to the first-stage planetary gear.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (4)

1. A built-in lubricating oil pipeline system for a gear box comprises a plurality of lubricating oil pipelines connected to a lubricating oil distributor (5); the lubricating oil distributor is characterized in that the main body part of the lubricating oil distributor (5) is arranged in the box body; the lubricating oil pipelines comprise an internal centralized oil supply pipe (1), a high-speed shaft front bearing lubricating oil pipe, a high-speed shaft rear bearing lubricating oil pipe (3), a parallel auxiliary rear bearing lubricating oil pipe (4) and a parallel auxiliary gear lubricating oil pipe (9), wherein the lubricating oil pipe is positioned in the box body through a lubricating oil distributor (5), and the internal centralized oil supply pipe is connected with the lubricating oil distributor (5).

2. The internal lubricating oil piping system for a gearbox according to claim 1, wherein the internal centralized oil supply pipe (1) is connected at a first internal oil passage inlet end, the first internal oil passage having a plurality of lubricating oil supply points including a secondary bearing; a branch pipe (8) is connected to the first internal oil passage, and the branch pipe (8) is used for supplying lubricating oil to a meshing part of the secondary planet gear and the large gear ring.

3. The internal lubrication oil pipeline system for the gearbox is characterized in that the parallel pinion lubrication oil pipe (9) and the branch pipe (8) are supplied with lubrication oil in a manner of oil drop supply.

4. The built-in lubricating oil pipeline system for the gearbox is characterized in that the high-speed shaft front bearing lubricating oil pipe consists of a front section pipe (2) and a rear section pipe (7), and the front section pipe (2) is communicated with the rear section pipe (7) through a second internal oil passage.

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