CN219570786U

CN219570786U - Inner oil duct heat dissipation gear

Info

Publication number: CN219570786U
Application number: CN202320687151.3U
Authority: CN
Inventors: 朱志传; 林海钢; 徐荣斌
Original assignee: Zhejiang Dapeng Machinery Co ltd
Current assignee: Zhejiang Dapeng Machinery Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-08-22
Anticipated expiration: 2033-03-31

Abstract

The utility model discloses an inner oil duct heat dissipation gear, which comprises: the turbine disc comprises a gear main body and a flange cover, wherein a turbine disc cavity is formed in the inner side of the gear main body, a plurality of evenly distributed centrifugal blades and rotary blades are arranged in the turbine disc cavity, the flange cover is fixedly mounted on the surface of the gear main body and is in interference butt joint with the inner side of the turbine disc cavity, a plurality of oil passage holes are formed in the periphery of the gear main body, the end portions of the oil passage holes are communicated with the inner side of the turbine disc cavity, and a plurality of liquid inlet holes communicated with the inner side of the turbine disc cavity are formed in the surface of the flange cover. According to the utility model, the novel inner oil duct heat dissipation structure is arranged, the oil is rotated in the gear main body by the rotation of the turbine disc cavity, so that the oil is uniformly led out through the plurality of oil duct holes on the surface of the gear main body, the dynamic movement of the lubricating oil in the reduction gearbox is realized, the lubricating oil is uniformly diffused, the lubricating liquid infiltration efficiency is reduced, and the gear can be quickly started after standing at low temperature for a long time.

Description

Inner oil duct heat dissipation gear

Technical Field

The utility model relates to the technical field of gears, in particular to an inner oil duct heat dissipation gear.

Background

The reduction gearbox is also called as a speed reducer or a speed reducer, and works according to the principle that the prime mover is connected with the reduction gearbox, and then the reduction gearbox is connected with the working machine, and is power transmission equipment.

The existing speed reducer basically adopts an oil immersion lubrication mode to lubricate the gear, and the lubricating oil not only plays a role in protecting the gear, but also can help the gear to dissipate heat. But current reducing gear box gear generally drenches through the contact of lubricating oil liquid and lubricate and heat transfer heat dissipation, this kind of mode needs to pack a large amount of oil liquid in the reducing gear box, and need carry out the heat engine to the reducing gear box under low temperature environment and handle to guarantee that oil liquid can evenly wrap up in gear rotation, and oil liquid only through the contact heat transfer with gear surface, and the cooling effect is lower, has certain defect. In view of the above, the present utility model provides an internal oil duct heat dissipation gear, which solves the existing problems and aims to solve the problems and improve the practical value by the technology.

Disclosure of Invention

The present utility model aims to solve one of the technical problems existing in the prior art or related technologies.

The technical scheme adopted by the utility model is as follows: an internal oil gallery heat dissipating gear comprising: the gear comprises a gear body and a flange cover, wherein a turbine disc cavity is formed in the inner side of the gear body, a plurality of evenly distributed centrifugal blades and rotary blades are arranged in the turbine disc cavity, the flange cover is fixedly arranged on the surface of the gear body and in interference butt joint with the inner side of the turbine disc cavity, a plurality of oil passage holes are formed in the periphery of the gear body, the end portions of the oil passage holes are communicated with the inner side of the turbine disc cavity, and a plurality of liquid inlet holes communicated with the inner side of the turbine disc cavity are formed in the surface of the flange cover.

The present utility model may be further configured in a preferred example to: the surface of the gear main body is provided with a shaft pin, the gear main body, the shaft pin and the turbine disc cavity are of an integrated milling and forming structure, and the gear main body is a ball-milling cast iron material component.

The present utility model may be further configured in a preferred example to: the gear main body is characterized in that reinforcing ribs and reinforcing wings are respectively arranged on two sides of the gear main body, the reinforcing ribs are annular and are arranged at the edge of the gear main body surface turbine disc cavity, and the outer side of the flange cover is in interference butt joint with the inner side of the reinforcing ribs.

The present utility model may be further configured in a preferred example to: the oil passage holes are equally divided into a plurality of groups, and the oil passage holes in each group are uniformly distributed along the thickness direction of the gear main body.

The present utility model may be further configured in a preferred example to: the centrifugal blades and the rotary blades are alternately arranged in sequence, and the centrifugal blades and the rotary blades are obliquely arranged.

The beneficial effects obtained by the utility model are as follows:

1. according to the utility model, the novel inner oil duct heat dissipation structure is arranged, the oil is rotated in the gear main body by the rotation of the turbine disc cavity, so that the oil is uniformly led out through the plurality of oil duct holes on the surface of the gear main body, the dynamic movement of the lubricating oil in the reduction gearbox is realized, the lubricating oil is uniformly diffused, the lubricating liquid infiltration efficiency is reduced, and the gear can be quickly started after standing at low temperature for a long time.

2. According to the utility model, the turbine disc cavity structure is arranged in the gear main body, so that oil is centrifugally moved in the rotation movement, so that the oil circulates in the gear main body, the gear main body is rapidly cooled, the oil flow rate is high, the oil circulation quantity is large, and the cooling efficiency of the gear main body is remarkably improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic view of a backside structure of a gear body according to an embodiment of the present utility model;

fig. 3 is a schematic cross-sectional structure of an embodiment of the present utility model.

Reference numerals:

100. a gear body; 110. a shaft pin; 120. reinforcing ribs; 130. an oil passage hole; 140. reinforcing wings;

200. a turbine disk cavity; 210. a centrifugal leaf; 220. rotating leaves;

300. a flange cover; 310. and a liquid inlet hole.

Detailed Description

The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

An internal oil passage heat dissipation gear according to some embodiments of the present utility model is described below with reference to the accompanying drawings.

1-3, the inner oil duct heat dissipation gear provided by the utility model comprises: the gear body 100 and the flange cover 300, the turbine disc cavity 200 is arranged on the inner side of the gear body 100, a plurality of evenly distributed centrifugal blades 210 and rotary blades 220 are arranged in the turbine disc cavity 200, the flange cover 300 is fixedly arranged on the surface of the gear body 100 and in interference butt joint with the inner side of the turbine disc cavity 200, a plurality of oil passage holes 130 are formed in the periphery of the gear body 100, the end portions of the oil passage holes 130 are communicated with the inner side of the turbine disc cavity 200, and a plurality of liquid inlet holes 310 communicated with the inner side of the turbine disc cavity 200 are formed in the surface of the flange cover 300.

In this embodiment, the surface of the gear body 100 is provided with the shaft pin 110, the gear body 100, the shaft pin 110 and the turbine disc cavity 200 are integrally milled and formed, and the gear body 100 is a ball-milled cast iron member.

Specifically, structural integrity is improved and structural strength is improved by milling the turbine disk cavity 200, the centrifugal lobes 210, and the rotary lobes 220 directly inside the gear body 100.

In this embodiment, the two sides of the gear main body 100 are respectively provided with a reinforcing rib 120 and a reinforcing wing 140, the reinforcing rib 120 is annular and is arranged at the edge of the turbine disc cavity 200 on the surface of the gear main body 100, and the outer side of the flange cover 300 is in interference abutting contact with the inner side of the reinforcing rib 120.

Specifically, the structural strength of the gear body 100 is further improved by using the reinforcing ribs 120 and the reinforcing wings 140, so as to eliminate the influence of the opening of the turbine disc cavity 200 on the structure of the gear body 100.

In this embodiment, the oil passage holes 130 are equally divided into several groups and each group of oil passage holes 130 is evenly distributed in the thickness direction of the gear body 100.

Specifically, the plurality of oil passage holes 130 are utilized to improve the contact effect of the liquid flow inside the gear body 100 and the gear body 100, and improve the cooling efficiency.

In this embodiment, the centrifugal blades 210 and the rotary blades 220 are alternately arranged in sequence, and the centrifugal blades 210 and the rotary blades 220 are obliquely arranged.

Specifically, during rotation of the gear body 100, the centrifugal vane 210 and the rotary vane 220 guide the fluid to be rapidly guided out of the oil passage hole 130 through centrifugal action, thereby improving the oil circulation efficiency.

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 spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. An internal oil duct heat dissipation gear, comprising: gear main part (100) and flange lid (300), the inboard of gear main part (100) is equipped with turbine dish chamber (200), the inside in turbine dish chamber (200) is equipped with a plurality of evenly distributed's centrifugal leaf (210) and spiral shell leaf (220), flange lid (300) fixed mounting in the surface of gear main part (100) and with the inboard interference butt in turbine dish chamber (200), the periphery of gear main part (100) is equipped with a plurality of oil duct holes (130), and the tip in oil duct hole (130) is linked together with the inboard in turbine dish chamber (200), the surface of flange lid (300) is equipped with a plurality of feed liquor holes (310) that are linked together with turbine dish chamber (200) inside.

2. The inner oil duct heat dissipation gear as set forth in claim 1, wherein a shaft pin (110) is provided on a surface of the gear main body (100), the shaft pin (110) and the turbine disc cavity (200) are integrally milled and formed, and the gear main body (100) is a ball-milled cast iron member.

3. The internal oil duct heat dissipation gear as set forth in claim 1, wherein the two sides of the gear main body (100) are respectively provided with a reinforcing rib (120) and reinforcing wings (140), the reinforcing ribs (120) are annular and are arranged at the edge of the turbine disc cavity (200) on the surface of the gear main body (100), and the outer side of the flange cover (300) is in interference abutting connection with the inner side of the reinforcing ribs (120).

4. The internal oil passage heat dissipation gear as set forth in claim 1, wherein the oil passage holes (130) are equally divided into a plurality of groups and each group of the oil passage holes (130) is uniformly distributed in the thickness direction of the gear body (100).

5. The inner oil duct heat dissipation gear as defined in claim 1, wherein the centrifugal blades (210) and the rotary blades (220) are alternately arranged in sequence, and the centrifugal blades (210) and the rotary blades (220) are obliquely arranged.