CN110649741B

CN110649741B - Motor for underwater work

Info

Publication number: CN110649741B
Application number: CN201911010445.7A
Authority: CN
Inventors: 高建
Original assignee: Hunan Fls Intelligent Technology Co ltd
Current assignee: Hunan FLS Intelligent Technology Co.,Ltd.
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2021-04-20
Anticipated expiration: 2039-10-23
Also published as: CN110649741A

Abstract

The invention discloses a motor for underwater work, which comprises a shell, wherein a stator and a rotor are arranged in the shell, an output shaft is inserted in the rotor, the output shaft is rotatably connected to the inner side wall of the stator, one end of the stator penetrates through the side wall of the shell through a bearing, vertically arranged strip-shaped cavities are symmetrically arranged on the side wall of one end of the shell, one end, close to the output shaft, of each strip-shaped cavity is provided with a one-way valve, one end, away from the output shaft, of each strip-shaped cavity is fixedly connected with a heat conduction column, one side of each heat conduction column is also provided with a pressure valve, and the pressure valves are positioned. According to the invention, through the interaction of the structures such as the airflow ring, the pressure valve, the one-way valve, the heat conduction column and the like, the water solution can be changed into gas to be sprayed out of the slit, and the water solution in the slit can be discharged to the outside of the shell along the airflow, so that the water can not flow into the shell along the slit, the motor is well protected, and the service life of the motor is prolonged.

Description

Motor for underwater work

Technical Field

The invention relates to the technical field of electromechanics, in particular to a motor for underwater work.

Background

For a submersible motor, namely an underwater operation motor, the main technical requirement is good waterproof performance; for this reason, the existing submersible motors all adopt a totally-enclosed casing, and a waterproof bearing is adopted to support a rotating shaft on the casing; however, the waterproof performance of the waterproof rotating shaft is always limited due to the limitation of the process, and in a deep water area, water still can permeate into the motor from various gaps of the waterproof rotating shaft, so that the motor is damaged. In view of the above reasons, in order to improve the diving depth, the current submersible motor mainly adopts a mode of improving the sealing performance of the waterproof rotating shaft as much as possible, and the closer the sealing ring is in contact with the movable gap of the bearing, the better the waterproof performance is.

In the long-term work of motor aqueous solution still can follow slowly infiltration in the slit to inside getting into the motor, reduce motor life.

Disclosure of Invention

The invention aims to solve the defects in the prior art, such as: in the long-term work of motor aqueous solution still can follow slowly infiltration in the slit to inside getting into the motor, reduce motor life.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a motor for underwater working, includes the casing, be equipped with stator and rotor in the casing, the interlude has the output shaft in the rotor, the output shaft rotates to be connected on the inside wall of stator, the one end of stator passes through the lateral wall that the bearing runs through the casing, the symmetry is equipped with the bar chamber of vertical setting on the lateral wall of casing one end, every the one end that the bar chamber is close to the output shaft is installed the check valve, the one end fixedly connected with heat conduction post that the bar chamber deviates from the output shaft, the pressure valve is still installed to one side of heat conduction post, the pressure valve is located the stator, the pressure valve is connected with the gas-supply pipe, the one end that the bearing is close to the gas-supply pipe is equipped with terminal surface A, the one end intercommunication that the gas-supply pipe deviates from the pressure valve has the air current ring.

Preferably, the cross section of the gas conveying pipe is arranged in a stepped shape.

Preferably, the end face A is obliquely arranged, and the direction of one end of the end face A is matched with the gap between the output shaft and the bearing.

Preferably, the plurality of circular holes are annularly arranged by taking the airflow ring as a center.

Compared with the prior art, the invention has the beneficial effects that:

1. through the interaction of the structures such as the airflow ring, the pressure valve, the one-way valve, the heat conduction column and the like, the aqueous solution can be changed into gas to be sprayed out of the slit, and the aqueous solution in the slit can be discharged out of the shell along the airflow, so that the water can not flow into the shell along the slit, the motor is well protected, and the service life of the motor is prolonged;

2. utilize rotor work to produce the heat to the saving of the effectual realization energy uses more science, and the heat that the rotor produced is absorbed by the pressure valve moreover and is become power, and the effectual heat with the rotor inside disappears, thereby plays radiating effect, reduces the ageing speed of part, increases its life.

Drawings

FIG. 1 is a schematic front view of an electric motor for underwater operation according to the present invention;

FIG. 2 is a schematic view of the partial cross-sectional structure of FIG. 1;

FIG. 3 is a partially enlarged schematic view of FIG. 1;

FIG. 4 is a schematic view of an airflow ring structure of a motor for underwater operation according to the present invention;

fig. 5 is a partially enlarged schematic view of an output shaft of the motor for underwater operation according to the present invention.

In the figure: 1 stator, 2 casings, 3 output shafts, 4 rotors, 5 gas pipes, 6 airflow rings, 7 pressure valves, 8 one-way valves, 9 heat-conducting columns, 10 end face A, 11 bearings and 12 round holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-5, a motor for underwater operation, including a housing 2, a stator 1 and a rotor 4 are arranged in the housing 2, an output shaft 3 is inserted into the rotor 4, the output shaft 3 is rotatably connected to the inner side wall of the stator 1, one end of the stator 1 penetrates through the side wall of the housing 2 through a bearing 11, and is characterized in that vertically arranged strip-shaped cavities are symmetrically arranged on the side wall of one end of the housing 2, a one-way valve 8 is arranged at one end of each strip-shaped cavity close to the output shaft 3, a heat-conducting column 9 is fixedly connected to one end of each strip-shaped cavity away from the output shaft 3, a pressure valve 7 is further arranged at one side of the heat-conducting column 9, the pressure valve 7 is arranged in the stator 1, the pressure valve 7 is connected with a gas pipe 5, the cross section of the gas pipe 5 is arranged in a step shape, an end face a10 is arranged at one end, The clearance between the bearing 11 cooperatees, and the one end intercommunication that the gas-supply pipe 5 deviates from pressure valve 7 has air current ring 6, and air current ring 6 and output shaft 3 are connected for rotating, and equidistant a plurality of round holes 12 that are equipped with on the air current ring 6, and a plurality of round holes 12 use air current ring 6 to be the annular setting as the center.

In the invention, when the shell 2 enters underwater operation, under the action of the one-way valve 8, seawater enters the strip-shaped cavity through the one-way valve 8, so that the strip-shaped cavity is filled with water, a large amount of heat is generated in the continuous operation process of the rotor 4, the internal temperature is raised, meanwhile, the heat is transferred into the heat conducting column 9, the temperature of the heat conducting column 9 is rapidly increased, the aqueous solution in the strip-shaped groove is continuously evaporated at high temperature to form water vapor, the pressure in the strip-shaped cavity is gradually increased along with the evaporation of the aqueous solution, when the pressure breaks through the critical value of the pressure valve 7, the pressure valve 7 is opened, so that the water vapor rapidly passes through the gas pipe 5 and enters the gas flow ring 6, then flows out through the round hole 12 in the gas flow ring 6, and then is sprayed out from the slit between the bearing 11 and the output shaft 3, the aqueous solution in the slit can be discharged to the outside of the shell 2 along with the gas flow, therefore, water can not flow into the shell 2 along the slit, the motor is well protected, and the service life of the motor is prolonged.

Meanwhile, the source power of the part generates heat by utilizing the working of the rotor 4, so that the energy is effectively saved, the use is more scientific, the heat generated by the rotor 4 is absorbed by the pressure valve 7 to be power, the heat in the rotor 4 is effectively dissipated, the heat dissipation effect is achieved, the aging speed of parts is reduced, and the service life of the parts is prolonged.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The motor for underwater work comprises a shell (2), wherein a stator (1) and a rotor (4) are arranged in the shell (2), an output shaft (3) is inserted in the rotor (4), the output shaft (3) is rotatably connected to the inner side wall of the stator (1), one end of the stator (1) penetrates through the side wall of the shell (2) through a bearing (11), the motor is characterized in that vertically-arranged strip-shaped cavities are symmetrically arranged on the side wall of one end of the shell (2), a one-way valve (8) is installed at one end, close to the output shaft (3), of each strip-shaped cavity, one end, far away from the output shaft (3), of each strip-shaped cavity is fixedly connected with a heat conduction column (9), a pressure valve (7) is further installed on one side of each heat conduction column (9), the pressure valve (7) is located in the stator (1), and the pressure valve (7) is connected with, an end face A (10) is arranged at one end, close to the gas conveying pipe (5), of the bearing (11), an airflow ring (6) is communicated with one end, away from the pressure valve (7), of the gas conveying pipe (5), the airflow ring (6) is in rotary connection with the output shaft (3), and a plurality of round holes (12) are formed in the airflow ring (6) at equal intervals; the end face A (10) is obliquely arranged, a gap is formed between the bearing (11) and the output shaft (3), and one end of the end face A (10) is matched with the gap.

2. The motor for underwater operation as claimed in claim 1, wherein the cross section of the gas pipe (5) is stepped.

3. An electric motor for underwater working according to claim 1, characterized in that a plurality of said circular holes (12) are annularly arranged centering on the air flow ring (6).