CN219433028U

CN219433028U - Lubricating device

Info

Publication number: CN219433028U
Application number: CN202320871727.1U
Authority: CN
Inventors: 王程宇; 胡强; 丁文强; 常兆荣; 林琴锋; 唐凌锋
Original assignee: Changzhou Huachuang Aviation Technology Co ltd
Current assignee: Changzhou Huachuang Aviation Technology Co ltd
Priority date: 2023-04-18
Filing date: 2023-04-18
Publication date: 2023-07-28
Anticipated expiration: 2033-04-18

Abstract

The present utility model provides a lubrication device, comprising: a main body portion including a first oil passage; the bulge part extends from the main body part and comprises a mounting port and a second oil duct communicated with the first oil duct; the cartridge receiver end cover comprises an end cover part and a nozzle part, wherein the end cover part is fixed at the mounting port, the nozzle part extends into the main body part from the end cover part, the end cover part comprises a third oil duct communicated with the second oil duct, and the nozzle part comprises a nozzle oil duct communicated with the third oil duct. According to the utility model, the lubricating oil is supplied by arranging the casing end cover.

Description

Lubricating device

Technical Field

The utility model relates to the technical field of helicopters, in particular to a lubricating device.

Background

The inside a large amount of gear assemblies that are equipped with of receiver of helicopter, rotational speed is high, the temperature is high, lubricates the wearing degree that can reduce parts such as pivot and gear to gear assembly, reduces its temperature simultaneously, can ensure that relevant drive assembly's operating mode is good, prolongs its life. Some technical schemes in the industry have the defects of complex structure, more processing procedures, poor sealing performance, more parts and components and complex installation procedures. Accordingly, there is a need to provide a lubrication device that overcomes the above-described drawbacks.

Disclosure of Invention

The utility model aims to provide a lubricating device.

According to one aspect of the present utility model, there is provided a lubrication device comprising:

a main body portion including a first oil passage;

the bulge part extends from the main body part and comprises a mounting port and a second oil duct communicated with the first oil duct;

the cartridge receiver end cover comprises an end cover part and a nozzle part, wherein the end cover part is fixed at the mounting port, the nozzle part extends into the main body part from the end cover part, the end cover part comprises a third oil duct communicated with the second oil duct, and the nozzle part comprises a nozzle oil duct communicated with the third oil duct.

Preferably, the main body portion includes a first installation plane and a first oil inlet provided in the first installation plane, the protruding portion extends from the main body portion in a direction perpendicular to the first installation plane, and the first oil passage extends from the first oil inlet to the protruding portion.

Preferably, the junction of the main body part and the protruding part is provided with an annular oil duct, the annular oil duct is arranged along the circumferential direction of the protruding part, the first oil duct is communicated with the annular oil duct, and the second oil duct is communicated with the annular oil duct.

Preferably, the main body part and the protruding part are internally provided with a first cavity, the nozzle part is positioned in the first cavity, and the nozzle oil duct comprises a first oil spray hole and a second oil spray hole.

Preferably, the end cover part comprises a second installation plane in contact with the protruding part and a sealing part extending from the second installation plane into the first cavity, a sealing groove is arranged on the radial outer side of the sealing part, and a second oil inlet communicated with the second oil duct is arranged on the second installation plane.

Preferably, the annular oil passage further includes a first nozzle mounting hole and a second nozzle mounting hole, and the first nozzle mounting hole and the second nozzle mounting hole communicate with the first cavity.

Preferably, an expansion plug and a plug pin plug are arranged at the top of the nozzle oil duct, and the plug pin plug is arranged in the expansion plug.

Preferably, an oil guide sleeve is arranged between the second oil duct and the second oil inlet.

Preferably, the first oil hole is arranged at the bottom of the nozzle oil duct and extends along the axial direction of the nozzle oil duct, the second oil hole is arranged above the first oil hole of the nozzle oil duct, and the second oil hole extends along the radial direction of the nozzle oil duct.

Preferably, a second cavity is arranged between the third oil duct and the nozzle oil duct, the expansion plug is arranged in the second cavity, and the diameter of the second cavity is larger than that of the nozzle oil duct.

Compared with the prior art, the lubricating device provided by the utility model has the following beneficial effects:

the integral casting molding omits the partial steps of additionally processing the nozzle mounting seat and the nozzle processing molding on the casing end cover, and reduces the processing procedures; the sealing performance of the casing end cover is good, and oil leakage is not easy; the installation and maintenance procedures are simple and easy to operate, and the time and material cost are saved.

Drawings

The utility model is described in further detail below with reference to the attached drawings and detailed description:

FIG. 1 is a perspective view of a lubrication apparatus of the present utility model;

FIG. 2 is a perspective view of a case end cap of the present utility model;

FIG. 3 is a cross-sectional view of the lubrication apparatus of the present utility model;

FIG. 4 is a cross-sectional view of a receiver end cap of the present utility model;

fig. 5 is a cross-sectional view of the first oil passage of the present utility model;

FIG. 6 is a top view of the lubrication apparatus of the present utility model;

fig. 7 is a cross-sectional view of the annular oil passage of the present utility model.

Detailed Description

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

For the sake of simplicity of the drawing, the parts relevant to the present utility model are shown only schematically in the figures, which do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

In this context, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In addition, in the description of the present application, the terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will explain the specific embodiments of the present utility model with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the utility model, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.

Referring to fig. 1, the present utility model provides a lubrication apparatus 100 including: a main body 1, a protruding part 2 extending from the main body 1, and a case cover 3 fixed to the protruding part 2. The main body portion 1 includes a first oil passage 11 extending toward the protruding portion 2, the protruding portion 2 includes a second oil passage 21 extending from the main body portion 1 toward the case end cover 3, and the end cover portion 33 includes a raised third oil passage 31.

Referring to fig. 2 and 3, the case cover 3 further includes an cover portion 33 and a nozzle portion 32. The body portion 1 and the protruding portion 2 are provided with a first cavity 4 inside, and the nozzle portion 32 extends from the end cap portion 33 into the first cavity 4. The nozzle portion 32 is provided with a nozzle oil passage 321. An annular oil duct 22 is arranged at the joint of the main body part 1 and the bulge part 2. The engine oil enters the annular oil passage 22 from the first oil passage 11, then enters the second oil passage 21, then enters the third oil passage 31, and finally enters the nozzle oil passage 321.

Referring to fig. 4, the case cover 3 includes a second mounting plane 331 contacting the boss 2, and a sealing portion 34 extending from the second mounting plane 331 into the first chamber 4. The bulge is provided with a mounting opening 23, a sealing part 34 is arranged in the mounting opening 23, and the casing end cover 3 is fixed with the bulge 2 through bolts. A seal groove 341 opening toward the projecting portion 2 is provided in the circumferential direction of the seal portion 34, and a seal ring is provided in the seal groove 341.

Referring to fig. 5, the main body 1 includes a first mounting plane 12 for mounting the lubricating device 100, the first mounting plane 12 is provided with a first oil inlet 111, and engine oil enters the first oil passage 11 from the first oil inlet 111. The projection 2 extends in a direction perpendicular to the first mounting plane 12.

Referring to fig. 6 and 7, the annular oil passage 22 includes a first nozzle mounting hole 221 and a second nozzle mounting hole 222 each for mounting an oil jet. The first nozzle mounting hole 221 and the second nozzle mounting hole 222 are communicated with the first cavity 4, a gear assembly is arranged in the first cavity 4, and the oil nozzle is aligned with the gear assembly for oil injection. The annular oil passage 22 is provided in a plane parallel to the first mounting plane 12 in the circumferential direction of the protruding portion 2.

The third oil passage 31 includes a second oil inlet 311 provided on the second installation plane 331, and the second oil passage 21 and the second oil inlet 311 are connected by an oil guiding sleeve (not shown). The top of the nozzle oil duct 321 is provided with an expansion plug 35, and a plug pin plug 351 is arranged in the expansion plug 35. The junction of third oil duct 31 and nozzle oil duct 321 is equipped with second cavity 352, and inflation end cap 35 sets up in second cavity 352, and the diameter of second cavity 352 is greater than the diameter of nozzle oil duct 321.

The nozzle portion 32 is further provided with a first oil jet 322 communicating with the nozzle oil passage 321, the first oil jet 322 being provided at the bottom of the nozzle oil passage 321 and extending obliquely in the axial direction of the nozzle oil passage 321, and a second oil jet 323 being provided above the first oil jet 322 and extending obliquely in the radial direction of the nozzle oil passage 321.

It will be apparent to those skilled in the art that various modifications and variations can be made to the above-described exemplary embodiments of the present utility model without departing from the spirit and scope of the utility model. Therefore, it is intended that the present utility model cover the modifications and variations of this utility model provided they come within the scope of the appended claims and their equivalents.

Claims

1. A lubrication device, comprising:

a main body portion including a first oil passage;

2. The lubrication device of claim 1, wherein the body portion includes a first mounting plane and a first oil inlet provided in the first mounting plane, the projection extends from the body portion in a direction perpendicular to the first mounting plane, and the first oil passage extends from the first oil inlet to the projection.

3. The lubrication device as claimed in claim 2, wherein the junction of the main body portion and the protruding portion is provided with an annular oil passage, the annular oil passage being provided along a circumferential direction of the protruding portion, the first oil passage being communicated with the annular oil passage, and the second oil passage being communicated with the annular oil passage.

4. The lubrication device of claim 3, wherein the body portion and the boss have a first cavity therein, the nozzle portion is located in the first cavity, and the nozzle oil passage includes a first oil jet and a second oil jet.

5. The lubrication device of claim 4, wherein the end cap portion includes a second mounting surface in contact with the projection and a seal portion extending from the second mounting surface into the first cavity, a seal groove being provided radially outward of the seal portion, the second mounting surface being provided with a second oil inlet communicating with the second oil passage.

6. The lubrication device of claim 5, wherein the annular oil gallery further comprises a first nozzle mounting hole and a second nozzle mounting hole, the first and second nozzle mounting holes communicating with the first cavity.

7. The lubrication device of claim 6, wherein an expansion plug and a plug pin plug are provided at a top of the nozzle oil passage, the plug pin plug being provided in the expansion plug.

8. The lubrication device of claim 7, wherein an oil guiding sleeve is disposed between the second oil passage and the second oil inlet.

9. The lubrication device according to claim 8, wherein the first oil jet is provided at a bottom of the nozzle oil passage and extends in an axial direction of the nozzle oil passage, the second oil jet is provided above the first oil jet of the nozzle oil passage, and the second oil jet extends in a radial direction of the nozzle oil passage.

10. The lubrication device of claim 9, wherein a second cavity is disposed between the third oil passage and the nozzle oil passage, the expansion plug is disposed in the second cavity, and a diameter of the second cavity is greater than a diameter of the nozzle oil passage.