Mining high-voltage direct current motor

Abstract

The utility model provides a mining high-voltage direct-current motor, relates to the technical field of mining motors, in particular to a protection box for protecting the high-voltage direct-current motor, which comprises a lifting ring, the lifting ring is fixedly arranged at one end, close to the top, of the outer side wall of the protection box and is used for lifting and moving the protection box, and a cover plate is fixedly mounted at the top of the protection box. A high-voltage direct current motor body is fixedly arranged in the protection box; the purification assembly is fixedly arranged on the outer wall of the protection box, and the purification assembly is used for cooling, dust prevention and moisture prevention of the high-voltage direct current motor body in the protection box; the purification assembly comprises a purification box fixedly arranged on the outer wall of the protection box, and a connecting pipe is fixedly arranged at the end, close to the top, of the side wall of the purification box in a penetrating mode. According to the utility model, moisture prevention of the high-voltage direct-current motor is realized, heat dissipation of the mining high-voltage direct-current motor is facilitated, the service life is prolonged, and the mining high-voltage direct-current motor can operate in a severe environment.

Description

Technical Field

[0001] The utility model relates to the technical field of mining motors, in particular to a mining high-voltage DC motor. Background Art

[0002] It is suitable for various motors that convert electrical energy into mechanical energy in underground coal mine environments and the working requirements of the driven equipment.

[0003] In the prior art, such as Chinese patent application number CN202123253443.6, a high-voltage brushed DC motor includes a mounting base and a DC motor body, wherein the DC motor body is fixedly mounted on the mounting base, a motor box is fixedly connected to the mounting base, a clearance hole is provided on the motor box, and an output shaft of the DC motor body is passed through the clearance hole; a sound absorbing panel is fixedly connected to the inner side wall of the motor box.

[0004] The above technical features have the following shortcomings: At present, high-voltage DC motors use sound-absorbing panels and silencer rubber sheets to reduce noise. However, the working environment of high-voltage DC motors for mining is harsh. The mine environment is humid, and the relative humidity can reach 98%. There is water spraying, and equipment lubrication and cooling grease may invade the motor, causing the windings to accumulate scale and become damp. The high-voltage DC motor is sealed and moisture-proofed. This method cannot dissipate heat inside the high-voltage DC motor, and there is room for improvement. In view of this, a high-voltage DC motor for mining is proposed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to solve the above-mentioned shortcomings and propose a high-voltage DC motor for mining, which can realize moisture-proof of the high-voltage DC motor, be beneficial to the heat dissipation of the high-voltage DC motor for mining, improve the service life, and operate in harsh environments.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solution: a high-voltage DC motor for mining, a protective box for protecting the high-voltage DC motor, comprising:

[0007] A lifting ring, which is fixedly arranged at one end of the outer wall of the protection box near the top, and is used to lift and move the protection box. A cover plate is fixedly installed on the top of the protection box, and a high-voltage DC motor body is fixedly arranged inside the protection box;

[0008] A purification component, which is fixedly arranged on the outer wall of the protection box and is used to cool, prevent dust and moisture from the high-voltage DC motor body inside the protection box;

[0009] The purification component includes a purification box fixedly arranged on the outer wall of the protection box. A movable cover is fixedly installed on the top of the purification box. A connecting pipe is fixedly arranged through one end near the top of the side wall of the purification box. An air pump is fixedly arranged in the middle of the connecting pipe. A humidity detector is fixedly arranged inside the purification box. A preset number of chute bodies are fixedly arranged inside the purification box. A frame is movably installed inside the chute body. A dust-proof and water-absorbing cotton is fixedly arranged inside the frame. Mesh holes are formed at the bottom of the purification box.

[0010] Preferably, one end of the connecting pipe away from the purification box is fixedly connected to the protection box, and the chute body is located at the bottom of the end of the connecting pipe away from the protection box.

[0011] Preferably, the frame extends outside the purification box and is fixedly connected with a limiting plate. A preset number of limiting blocks are fixedly arranged outside the purification box. A plug rod is inserted through the two limiting blocks and the inside of the frame.

[0012] Preferably, an electric control box is fixedly arranged on one side of the protection box away from the purification component.

[0013] Preferably, an exhaust component is fixedly arranged through the side wall of the protection box. The exhaust component includes an exhaust pipe fixedly arranged on the outer wall of the protection box. A one-way valve is movably arranged inside the exhaust pipe.

[0014] Preferably, the cross-section of the chute body is in a C shape, and the longitudinal section of the chute body is in a U shape.

[0015] Preferably, an output shaft is rotatably arranged inside the protection box, and the output shaft is rotatably connected inside the high-voltage DC motor body.

[0016] Compared with the prior art, the advantages and positive effects of the present utility model are as follows:

[0017] In the present utility model, the air inside the purification box is extracted by the air pump, the outside air enters the purification box through the mesh holes, the moisture and dust in the air are isolated by the dust-proof and dehumidifying cotton, the gas enters the inside of the protection box through the connecting pipe, and then the high-voltage DC motor body is cooled by the gas. The gas inside the protection box is discharged through the exhaust pipe, and the gas is discharged by the one-way valve to prevent the outside gas and moisture from entering the inside of the protection box, realizing the moisture-proof of the high-voltage DC motor, being beneficial to the heat dissipation of the mine-used high-voltage DC motor, improving the service life, and facilitating the operation of the high-voltage DC motor in a harsh environment. Description of the Drawings

[0018] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0019] Figure 2 is a rear three-dimensional structural schematic diagram of the present utility model;

[0020] Figure 3 It is a three-dimensional structural schematic diagram of the purification component of the utility model;

[0021] Figure 4 It is a schematic cross-sectional view of the three-dimensional structure of the purification component of the utility model;

[0022] Figure 5 It is a three-dimensional structural schematic diagram of the slippery, dust-proof and water-absorbing cotton of the utility model.

[0023] Legend:

[0024] 1. Protective box;

[0025] 2. Rings;

[0026] 3. Cover plate;

[0027] 4. Output shaft;

[0028] 5. Purification component; 51. Purification box; 52. Movable cover; 53. Connecting pipe; 54. Air pump; 55. Humidity detector; 56. Slide body; 57. Frame; 58. Dust-proof absorbent cotton; 59. Limiting plate; 510. Limiting block; 511. Insertion rod;

[0029] 6. Electric control box;

[0030] 7. Exhaust assembly. DETAILED DESCRIPTION

[0031] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0032] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0033] like Figure 1-5 As shown, the utility model provides a high-voltage DC motor for mining, and a protective box 1 for protecting the high-voltage DC motor, comprising:

[0034] A lifting ring 2 is fixedly arranged at one end of the outer wall of the protection box 1 near the top. The lifting ring 2 is used to lift and move the protection box 1. There are four lifting rings 2, which are distributed at the four corners of the top of the side wall of the protection box 1. A cover plate 3 is fixedly installed on the top of the protection box 1. A high-voltage DC motor body is fixedly arranged inside the protection box 1. The cover plate 3 is installed on the top of the protection box 1 by bolts. The cover plate 3 can be disassembled to facilitate the installation and maintenance of the high-voltage DC motor body.

[0035] A purification component 5, which is fixedly arranged on the outer wall of the protection box 1, and is used to cool, prevent dust and moisture from the high-voltage DC motor body inside the protection box 1;

[0036] The purification assembly 5 includes a purification box 51 fixedly arranged on the outer wall of the protection box 1. The purification box 51 is fixedly installed on the outer wall of the protection box 1 by bolts. A movable cover 52 is fixedly installed on the top of the purification box 51. The purification box 51 is fixedly installed by bolts and the movable cover 52. A connecting pipe 53 is fixedly arranged at one end near the top of the side wall of the purification box 51. The connecting pipe 53 is used to connect the purification box 51 and the protection box 1. An air pump 54 is fixedly arranged in the middle of the connecting pipe 53. A humidity detector 55 is fixedly arranged inside the purification box 51. The humidity detector 55 is used to detect the humidity inside the purification box 51. A preset number of slide trough bodies 56 are fixedly arranged inside the purification box 51. A frame 57 is movably installed inside the slide trough body 56. Dust-proof and water-absorbing cotton 58 is fixedly arranged inside the frame 57. A mesh is opened at the bottom of the purification box 51. The slide trough body 56 is used to replace the frame 57 and the dust-proof and water-absorbing cotton 58. The mesh is used for external gas to enter the purification box 51.

[0037] It should be noted that, in the present embodiment, the end of the connecting pipe 53 away from the purification box 51 is fixedly connected to the protective box 1, the slide trough body 56 is located at the bottom of the end of the connecting pipe 53 away from the protective box 1, the slide trough body 56 is used to install the frame 57, and the connecting pipe 53 is used to transport the purified gas inside the purification box 51 to the inside of the protective box 1.

[0038] Furthermore, the frame 57 extends to the outside of the purification box 51 and is fixedly connected to a limit plate 59. A preset number of limit blocks 510 are fixed to the outside of the purification box 51. An insertion rod 511 is inserted through the two limit blocks 510 and the inside of the frame 57. The limit plate 59 is used to seal the opening of the purification box 51 and the frame 57. The insertion rod 511 inserts and limits the two limit blocks 510 and the frame 57.

[0039] It should be noted that an electric control box 6 is fixedly provided on a side of the protection box 1 away from the purification component 5 , and the electric control box 6 is electrically connected to the high-voltage DC motor body.

[0040] It should be noted that an exhaust assembly 7 is fixedly provided on the side wall of the protective box 1, and the exhaust assembly 7 includes an exhaust pipe fixedly provided on the outer wall of the protective box 1. A one-way valve is provided inside the exhaust pipe. The exhaust pipe is used to discharge the gas inside the protective box 1 to cool down the interior of the protective box 1, and the one-way valve is used to prevent external water vapor and dust from entering the protective box 1.

[0041] It should be further supplemented that the cross-section of the chute body 56 is in a C shape, and the longitudinal section of the chute body 56 is in a U shape. The chute body 56 is used for slidingly supporting the frame 57 and replacing the dust-proof and water-absorbing cotton 58.

[0042] It should be further noted that an output shaft 4 is rotatably arranged inside the protection box 1. The output shaft 4 is rotatably connected to the inside of the high-voltage DC motor body. The high-voltage DC motor body is used to drive the output shaft 4 to rotate and work.

[0043] The usage method and working principle of this device are as follows: First, lift and move the protection box 1 through the lifting ring 2 on the protection box 1 to a specified position. Then, drive the dust-proof and water-absorbing cotton 58 through the frame 57 to be installed on the chute body 56 inside the purification box 51, and replace the dust-proof and water-absorbing cotton 58 separately. Then, insert and limit the limiting block 510 on the purification box 51 and the frame 57 through the insertion rod 511. The limiting plate 59 seals the frame 57 and the purification box 51. Then, the air pump 54 is used to extract the gas inside the purification box 51. The outside gas is purified and dried through the mesh holes and the dust-proof and water-absorbing cotton 58. The gas enters the inside of the protection box 1 through the connecting pipe 53 to cool the high-voltage DC motor inside the protection box 1. The gas is discharged through the exhaust pipe and the one-way valve. The one-way valve prevents the outside dust and water vapor from entering the inside of the protection box 1 through the discharge pipe, realizing the moisture-proof of the high-voltage DC motor, being beneficial to the heat dissipation of the mine-used high-voltage DC motor, improving the service life, and facilitating the operation of the high-voltage DC motor in a harsh environment.

[0044] The above is only a preferred embodiment of the present invention, and it is not a limitation to the present invention in other forms. Any person skilled in the art may use the disclosed technical content to make changes or modifications into equivalent change equivalent embodiments and apply them to other fields. However, as long as it does not depart from the technical solution content of the present invention, any simple modification, equivalent change, and modification made to the above embodiments according to the technical essence of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. A high-voltage DC motor for mining, a protective box (1) for protecting the high-voltage DC motor, characterized in that: Including: A suspension ring (2), the suspension ring (2) is fixedly arranged at one end of the outer wall of the protection box (1) close to the top, the suspension ring (2) is used for hoisting and moving the protection box (1), a cover plate (3) is fixedly installed on the top of the protection box (1), and a high-voltage DC motor body is fixedly arranged inside the protection box (1); A purification component (5), the purification component (5) is fixedly arranged on the outer wall of the protection box (1), and the purification component (5) is used for cooling, dust-proofing and moisture-proofing the high-voltage DC motor body inside the protection box (1); The purification component (5) includes a purification box (51) fixedly arranged on the outer wall of the protection box (1), a movable cover (52) is fixedly installed on the top of the purification box (51), a connecting pipe (53) is fixedly arranged through one end of the side wall of the purification box (51) close to the top, an air pump (54) is fixedly arranged in the middle of the connecting pipe (53), a humidity detector (55) is fixedly arranged inside the purification box (51), a preset number of chute bodies (56) are fixedly arranged inside the purification box (51), a frame (57) is movably installed inside the chute body (56), a dust-proof and water-absorbing cotton (58) is fixedly arranged inside the frame (57), and mesh holes are formed at the bottom of the purification box (51).

2. A high voltage DC motor for mining according to claim 1, characterized in that: One end of the connecting pipe (53) far away from the purification box (51) is fixedly connected with the protection box (1), and the chute body (56) is located at the bottom of the end of the connecting pipe (53) far away from the protection box (1).

3. A high voltage DC motor for mining according to claim 1, characterized in that: The frame (57) extends outside the purification box (51) and is fixedly connected with a limiting plate (59), a preset number of limiting blocks (510) are fixedly arranged outside the purification box (51), and a plug rod (511) is inserted through the inside of the two limiting blocks (510) and the frame (57).

4. A high voltage DC motor for mining according to claim 1, characterized in that: An electric control box (6) is fixedly arranged on one side of the protection box (1) far away from the purification component (5).

5. A high voltage DC motor for mining according to claim 1, characterized in that: An exhaust component (7) is fixedly arranged through the side wall of the protection box (1), and the exhaust component (7) includes an exhaust pipe fixedly arranged on the outer wall of the protection box (1), and a one-way valve is movably arranged inside the exhaust pipe.

6. A high voltage DC motor for mining according to claim 1, characterized in that: The cross section of the chute body (56) is in a shape of "匚", and the longitudinal section of the chute body (56) is in a shape of "U".

7. A high voltage DC motor for mining according to claim 1, characterized in that: An output shaft (4) is rotatably arranged inside the protection box (1), and the output shaft (4) is rotatably connected with the inside of the high-voltage DC motor body.

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