CN218152199U

CN218152199U - High-pressure submersible planetary gear reducer

Info

Publication number: CN218152199U
Application number: CN202221799807.2U
Authority: CN
Inventors: 岳庆喜; 岳鑫一
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2022-12-27
Anticipated expiration: 2032-07-13

Abstract

The utility model discloses a high pressure dive planetary gear reducer belongs to planetary gear reducer technical field. Including planetary gear reduction unit, planetary gear reduction unit's input is provided with the input shaft, planetary gear reduction unit's output is provided with the output shaft, one side that planetary gear reduction unit is close to the input shaft sets up first connecting piece, one side that planetary gear reduction unit is close to the output shaft sets up the second connecting piece, there is the cavity in second connecting piece and the first connecting piece, the periphery of input shaft is overlapped from the right side left side in proper order and is equipped with first bearing, first mechanical seal, the periphery of output shaft is overlapped from the left side right side in proper order and is equipped with the second bearing, third bearing and second mechanical seal, one side fixedly connected with input flange that planetary gear reduction unit was kept away from to first connecting piece, one side fixedly connected with output flange that planetary gear reduction unit was kept away from to the second connecting piece, input flange inner ring and first mechanical seal butt, output flange inner ring and second mechanical seal butt.

Description

High-pressure submersible planetary gear reducer

Technical Field

The utility model relates to a planetary gear reducer technical field specifically is a high pressure dive planetary gear reducer.

Background

The speed reducer is an industrial product with wide application, can reduce the rotating speed of a motor and increase the output torque, and can be used as a matched component in industries such as hoisting, digging, transportation, building, steamship and underwater construction.

The existing speed reducer is generally used in a common environment, the used sealing device is a framework oil seal, and due to the characteristics of the framework oil seal, the condition that external liquid leaks from the planetary gear speed reducer to the inside of the speed reducer easily occurs in water or high-pressure liquid, so that the service life of the speed reducer is shortened or lubricating oil (grease) is leaked into the liquid once the leakage occurs, and environmental pollution and dangerous accidents are caused. It is therefore necessary to provide a high pressure submersible planetary gear reducer.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high pressure dive planetary gear reducer to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a high pressure dive planetary gear reducer, including planetary gear reduction mechanism, planetary gear reduction mechanism's input is provided with the input shaft, planetary gear reduction mechanism's output is provided with the output shaft, one side that planetary gear reduction mechanism is close to the input shaft sets up first connecting piece, one side that planetary gear reduction mechanism is close to the output shaft sets up the second connecting piece, there is the cavity in second connecting piece and the first connecting piece, the periphery of input shaft is from the right side left side in proper order the cover be equipped with first bearing, first mechanical seal, the periphery of output shaft is from the left side right side in proper order the cover be equipped with the second bearing, third bearing and second mechanical seal, one side fixedly connected with input flange that planetary gear reduction mechanism was kept away from to first connecting piece, one side fixedly connected with output flange that planetary gear reduction mechanism was kept away from to the second connecting piece, input flange inner ring and first mechanical seal butt, output flange inner ring and second mechanical seal butt.

As a further aspect of the present invention: the planetary gear speed reducing mechanism comprises a sun gear, planetary gears, an inner gear ring and a rotating disc, the sun gear is fixedly installed at one end of the input shaft, a plurality of planetary gears are meshed at the periphery of the sun gear, the outer sides of the planetary gears are all meshed with the same inner gear ring, the planetary gears are all rotatably connected to the rotating disc, the rotating disc is fixedly connected to one end of the output shaft, and two sides of the inner gear ring are respectively fixedly connected with a first connecting piece and a second connecting piece.

As a further aspect of the present invention: the first mechanical seal, the second mechanical seal, the first connecting piece, the second connecting piece and the inner gear ring form a closed space, and an input shaft, a first bearing, the first mechanical seal, a sun gear, a planetary gear, a rotating disc, a second bearing, a third bearing, the second mechanical seal and an output shaft between the first mechanical seal and the second mechanical seal are sealed in the closed space.

As a further aspect of the present invention: the periphery of first connecting piece is provided with inside and outside penetrating oil filler point, and the oil filler point passes through the shutoff of oiling screw.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses use first mechanical seal and second mechanical seal, make sun gear, planetary gear and rolling disc difficult and carry the medium contact, mechanical seal can prevent that outside medium from revealing to planetary gear reduction gears is inside under 0 to 150 kilograms of pressure, effectively prevents planetary gear reduction gears and damages, makes the utility model discloses can use in the liquid medium, and can adapt to highly compressed operational environment.

Drawings

Fig. 1 is a schematic structural diagram of a high-pressure submersible planetary gear reducer.

In the figure: 1. a planetary gear reduction mechanism; 1-1, sun gear; 1-2, a planetary gear; 1-3, an inner gear ring; 1-4, rotating a disc; 2. an input shaft; 3. an output shaft; 4. a first connecting member; 4-1, an oil filling hole; 4-2, filling oil screws; 5. a second connecting member; 6. a first bearing; 7. a first mechanical seal; 8. a second bearing; 9. a third bearing; 10. a second mechanical seal; 11. an input flange; 12. and an output flange.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Please refer to fig. 1, including planetary gear reduction 1, the input of planetary gear reduction 1 is provided with input shaft 2, the output of planetary gear reduction 1 is provided with output shaft 3, one side of planetary gear reduction 1 close to input shaft 2 sets up first connecting piece 4, one side of planetary gear reduction 1 close to output shaft 3 sets up second connecting piece 5, there is a cavity in second connecting piece 5 and first connecting piece 4, the periphery of input shaft 2 is overlapped from right to left in proper order with first bearing 6, first mechanical seal 7, the periphery of output shaft 3 is overlapped from left to right in proper order with second bearing 8, third bearing 9 and second mechanical seal 10, one side of planetary gear reduction 1 is kept away from to first connecting piece 4 is fixedly connected with input flange 11, one side of planetary gear reduction 1 is kept away from to second connecting piece 5 is fixedly connected with output flange 12, the inner ring of input flange 11 is abutted with first mechanical seal 7, the inner ring of output flange 12 is abutted with second mechanical seal 10. An input flange 11, an output flange 12, a first mechanical seal 7, a second mechanical seal 10, a first connecting piece 4, a second connecting piece 5 and an inner gear ring 1-3 form a closed space, and an input shaft 2, a first bearing 6, the first mechanical seal 7, a sun gear 1-1, a planetary gear 1-2, a rotating disc 1-4, a second bearing 8, a third bearing 9, the second mechanical seal 10 and an output shaft 3 between the first mechanical seal 7 and the second mechanical seal 10 are sealed in the closed space. The first mechanical seal 7 and the second mechanical seal 10 are both devices for preventing fluid leakage, which are formed by at least one pair of end faces perpendicular to the rotation axis, keeping fit and sliding relatively under the action of fluid pressure and the elastic force (or magnetic force) of the compensation mechanism and under the cooperation of auxiliary seals, and the first mechanical seal 7 and the second mechanical seal 10 can enable the planetary gear speed reduction mechanism 1 to be used in a liquid medium, can be used in a high-pressure working environment, can prevent an external medium from leaking into the planetary gear speed reduction mechanism 1 under the pressure of 0 to 150 kilograms, and effectively prevent the planetary gear speed reduction mechanism 1 from being damaged.

Further, the planetary gear speed reducing mechanism 1 comprises a sun gear 1-1, planetary gears 1-2, an inner gear ring 1-3 and a rotating disc 1-4, the sun gear 1-1 is fixedly installed at one end of the input shaft 2, a plurality of planetary gears 1-2 are meshed with the periphery of the sun gear 1-1, the outer sides of the planetary gears 1-2 are respectively meshed with the same inner gear ring 1-3, the plurality of planetary gears 1-2 are respectively and rotatably connected to the rotating disc 1-4, the rotating disc 1-4 is fixedly connected to one end of the output shaft 3, and two sides of the inner gear ring 1-3 are respectively and fixedly connected with a first connecting piece 4 and a second connecting piece 5.

In addition, an oil filling hole 4-1 which is through from inside to outside is formed in the periphery of the first connecting piece 4, and the oil filling hole 4-1 is blocked by an oil filling screw 4-2.

It should be noted that the above embodiments are only specific and clear descriptions of technical solutions and technical features of the present application. Aspects or features that are known or customary to those skilled in the art are not described in detail in the above embodiments.

In addition, the technical solutions of the present application are not limited to the above-described embodiments, and those skilled in the art should take the description as a whole, and the technical solutions in the embodiments may be appropriately combined, so that other embodiments that can be understood by those skilled in the art may be formed.

Claims

1. The utility model provides a high pressure dive planetary gear reducer which characterized in that: the input end of the planetary gear speed reducing mechanism (1) is provided with an input shaft (2), the output end of the planetary gear speed reducing mechanism (1) is provided with an output shaft (3), one side of the planetary gear speed reducing mechanism (1) close to the input shaft (2) is provided with a first connecting piece (4), one side of the planetary gear speed reducing mechanism (1) close to the output shaft (3) is provided with a second connecting piece (5), the second connecting piece (5) and the first connecting piece (4) are internally provided with cavities, a first bearing (6) is sequentially sleeved on the periphery of the input shaft (2) from right to left, a first mechanical seal (7), a second bearing (8) is sequentially sleeved on the periphery of the output shaft (3) from left to right, a third bearing (9) and a second mechanical seal (10), one side of the first connecting piece (4) far away from the planetary gear speed reducing mechanism (1) is fixedly connected with an input flange (11), one side of the second connecting piece (5) far away from the planetary gear speed reducing mechanism (1) is fixedly connected with an output flange (12), the input flange (11) is abutted to the first mechanical seal (7), and the output flange (12) is abutted to the second mechanical seal (10).

2. A high pressure submersible planetary gear reducer as claimed in claim 1, wherein: the planetary gear speed reducing mechanism (1) comprises a sun gear (1-1), planetary gears (1-2), an inner gear ring (1-3) and a rotating disc (1-4), wherein the sun gear (1-1) is fixedly installed at one end, close to the planetary gear speed reducing mechanism (1), of an input shaft (2), a plurality of planetary gears (1-2) are meshed with the periphery of the sun gear (1-1), the outer sides of the planetary gears (1-2) are respectively meshed with the same inner gear ring (1-3), the plurality of planetary gears (1-2) are rotatably connected to the rotating disc (1-4), the rotating disc (1-4) is fixedly connected to one end, close to the planetary gear speed reducing mechanism (1), of the output shaft (3), and two sides of the inner gear ring (1-3) are respectively and fixedly connected with a first connecting piece (4) and a second connecting piece (5).

3. A high pressure submersible planetary gear reducer as claimed in claim 2, wherein: a first mechanical seal (7), a second mechanical seal (10), a first connecting piece (4), a second connecting piece (5) and an inner gear ring (1-3) form a closed space, and an input shaft (2), a first bearing (6), the first mechanical seal (7), a sun gear (1-1), a planetary gear (1-2), a rotating disc (1-4), a second bearing (8), a third bearing (9), the second mechanical seal (10) and an output shaft (3) between the first mechanical seal (7) and the second mechanical seal (10) are sealed in the closed space.

4. A high pressure submersible planetary gear reducer as claimed in claim 3, wherein: an oil filling hole (4-1) which is through from inside to outside is formed in the periphery of the first connecting piece (4), and the oil filling hole (4-1) is plugged through an oil filling screw (4-2).