Cooling ventilator for traction motor of internal combustion locomotive

Abstract

The utility model discloses a cooling ventilator for a traction motor of an internal combustion locomotive, and relates to the technical field of internal combustion locomotives. The internal combustion locomotive traction motor cooling ventilator comprises a fan shell, a cover plate and a pressing structure, a mounting base is fixedly mounted on the outer wall of the fan shell, air cooling fan blades are arranged in the fan shell, a connecting unit is arranged on the left side of the air cooling fan blades, and a driving motor is detachably mounted at the top of the mounting base; an installation cover is fixedly installed on the right side of the fan shell, the cover plate is arranged on the right side of the fan shell, an air inlet pipe is fixedly installed on the cover plate, and the pressing structure is arranged on the installation cover and the cover plate. According to the cooling ventilator for the traction motor of the internal combustion locomotive, the air cooling fan blades and the driving motor are convenient to disassemble and assemble independently, subsequent maintenance of the driving motor is facilitated, the air cooling fan blades are convenient to disassemble and assemble and clean regularly, the situation that the air cooling effect is reduced due to excessive dust accumulation on the surfaces of the air cooling fan blades is prevented, and the air cooling quality is ensured; and the practicability of the ventilator is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of diesel locomotives, and particularly relates to a cooling ventilator for a traction motor of a diesel locomotive. Background Technique

[0002] A cooling ventilator for a traction motor of a diesel locomotive in Chinese patent document CN211230919U includes a motor, a casing connected to the motor, and an impeller installed on the motor. The outside of one side of the casing is connected by bolts to the outside of an air inlet. The casing is connected to the motor through a provided rear side plate. The shaft of the motor drives the impeller. A bushing provided on the impeller is pressed into the shaft of the motor and fixed at the end through a fastener. The outer circumference of the bushing is evenly connected with blades. A wheel disc and a wheel cover are respectively fixed on both sides of the blades. A sealing ring is fixed on the side of the wheel cover for connecting and sealing the inner port of the air inlet. The structure designed by the utility model is simple, runs stably, has high efficiency, small pressure loss and is convenient for maintenance. When the installation space of the fan and the air flow direction of the air outlet are limited, the structures of the fan impeller and the casing are optimized to ensure that the fan meets the performance requirements and at the same time avoid the air flow entering the air duct vertically to reduce the pressure loss.

[0003] For the above-mentioned cooling ventilator for a traction motor of a diesel locomotive, the air-cooled fan blades are not convenient to disassemble and assemble. As too much dust accumulates on the surface of the air-cooled fan blades, the air-cooling effect will decline. Therefore, it can be improved. Content of the Utility Model

[0004] The purpose of the utility model is to provide a cooling ventilator for a traction motor of a diesel locomotive, which can solve the problems that the air-cooled fan blades are not convenient to disassemble and assemble, and the air-cooling effect will decline as too much dust accumulates on the surface of the air-cooled fan blades.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: A cooling ventilator for a traction motor of a diesel locomotive includes a fan housing, a cover plate and a pressing structure. An installation seat is fixedly installed on the outer wall of the fan housing. An air-cooled fan blade is arranged inside the fan housing. A connecting unit is arranged on the left side of the air-cooled fan blade. A driving motor is detachably installed on the top of the installation seat. An installation cover is fixedly installed on the right side of the fan housing. The cover plate is arranged on the right side of the fan housing. An air inlet pipe is fixedly installed on the cover plate. The pressing structure is arranged on the installation cover and the cover plate, and the pressing structure is used for connecting the installation cover and the cover plate.

[0006] Preferably, the connecting unit is composed of an annular disc and an installation bushing. A round opening is formed on the left side of the air-cooled fan blade, and the annular disc is fixedly installed on its inner wall. The installation bushing is fixedly installed on the inner wall of the annular disc. A keyway is formed inside the installation bushing. Ten groups of positioning holes are formed on the left side of the annular disc and are distributed annularly and equidistantly.

[0007] Preferably, a round opening is provided on the left side of the fan housing, and a connection disk is rotatably installed therein. A positioning column is fixedly installed on the right side of the connection disk, the positioning column is inserted into the positioning hole, and the installation bushing is inserted into the interior of the connection disk.

[0008] Preferably, a connecting rod is fixedly connected to the rotating shaft of the drive motor, a key bar is fixedly installed on the outer wall of the connecting rod, and the key bar is inserted into the keyway so as to drive the rotation of the air-cooling fan blade.

[0009] Preferably, a tightening ring is fixedly installed on the left side of the cover plate, an annular block is fixedly installed on the air-cooling fan blade, a sleeve is fixedly installed on the right side of the annular block, the tightening ring is inserted into the interior of the sleeve, a ball is arranged on the left side of the tightening ring, and the ball is in contact with the annular block so as to press the air-cooling fan blade tightly.

[0010] Preferably, a tightening cover is fixedly installed on the left side of the cover plate, a retaining ring is fixedly installed on the inner wall of the fan housing, the tightening cover is inserted into the interior of the installation cover, the tightening cover is in contact with the retaining ring, and reinforcing pieces are fixedly installed on the cover plate and the air inlet pipe to make the air inlet pipe more stable.

[0011] Preferably, the pressing structure includes a buckle and a hook. The buckle is fixedly installed on the outer wall of the installation cover, the hook is fixedly installed on the outer wall of the cover plate, and the hook is lapped with the buckle.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] For this diesel locomotive traction motor cooling ventilator, through the combined use of the air-cooling fan blade, annular disk, installation bushing, connection disk, positioning column, drive motor, connecting rod, key bar, annular block, sleeve, installation cover, cover plate, tightening cover, tightening ring, air inlet pipe, buckle, hook and reinforcing piece, the air-cooling fan blade and the drive motor are both convenient for separate disassembly and assembly. On the one hand, it is convenient to quickly disassemble the drive motor when a failure occurs, facilitating subsequent maintenance. On the other hand, it is convenient to disassemble and assemble the air-cooling fan blade, facilitating its regular cleaning to prevent the situation that the air-cooling effect decreases due to excessive dust accumulation on the surface of the air-cooling fan blade, ensuring the air-cooling quality and improving the practicability of this ventilator. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The following further describes the present utility model in conjunction with the drawings and embodiments:

[0015] Figure 1 is a perspective view of the present utility model;

[0016] Figure 2 is a front view cross-sectional perspective view of the present utility model;

[0017] Figure 3 is a perspective view of the air-cooling fan blade of the present utility model;

[0018] Figure 4 This is the rear three-dimensional view of the air-cooled fan blade of the present utility model.

[0019] Reference numerals: 1, fan housing; 2, mounting seat; 3, air-cooled fan blade; 4, annular disc; 5, mounting bushing; 6, connecting disc; 7, positioning post; 8, drive motor; 9, connecting rod; 10, key bar; 11, annular block; 12, sleeve; 13, mounting cover; 14, cover plate; 15, pressing cover; 16, pressing ring; 17, air inlet pipe; 18, buckle; 19, hook; 20, reinforcing piece. Detailed implementation manners

[0020] This part will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the drawings. The function of the drawings is to supplement the description in the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but it cannot be construed as a limitation on the protection scope of the present utility model.

[0021] Please refer to Figures 1-4 , the present utility model provides a technical solution: a cooling ventilator for the traction motor of an internal combustion locomotive, including a fan housing 1, a cover plate 14 and a pressing structure. A mounting seat 2 is fixedly installed on the outer wall of the fan housing 1. An air-cooled fan blade 3 is arranged inside the fan housing 1. A connecting unit is arranged on the left side of the air-cooled fan blade 3. A drive motor 8 is detachably installed on the top of the mounting seat 2. A mounting cover 13 is fixedly installed on the right side of the fan housing 1. The cover plate 14 is arranged on the right side of the fan housing 1. An air inlet pipe 17 is fixedly installed on the cover plate 14. The pressing structure is arranged on the mounting cover 13 and the cover plate 14, and the pressing structure is used for connecting the mounting cover 13 and the cover plate 14.

[0022] The connecting unit is composed of an annular disc 4 and a mounting bushing 5. A circular opening is provided on the left side of the air-cooled fan blade 3, and the annular disc 4 is fixedly installed on its inner wall. The mounting bushing 5 is fixedly installed on the inner wall of the annular disc 4. A keyway is provided inside the mounting bushing 5. Ten positioning holes are provided on the left side of the annular disc 4 and are distributed annularly and equidistantly. A circular opening is provided on the left side of the fan housing 1, and a connecting disc 6 is rotatably installed therein. A positioning post 7 is fixedly installed on the right side of the connecting disc 6, and the positioning post 7 is inserted into the positioning hole. The mounting bushing 5 is inserted into the inside of the connecting disc 6. The rotating shaft of the driving motor 8 is fixedly connected with a connecting rod 9, and a key bar 10 is fixedly installed on the outer wall of the connecting rod 9. The key bar 10 is inserted into the keyway. A tightening ring 16 is fixedly installed on the left side of the cover plate 14. An annular block 11 is fixedly installed on the air-cooled fan blade 3. A sleeve 12 is fixedly installed on the right side of the annular block 11. The tightening ring 16 is inserted into the inside of the sleeve 12. A ball is arranged on the left side of the tightening ring 16, and the ball is in contact with the annular block 11. A tightening cover 15 is fixedly installed on the left side of the cover plate 14. A retaining ring is fixedly installed on the inner wall of the fan housing 1. The tightening cover 15 is inserted into the inside of the mounting cover 13, and the tightening cover 15 is in contact with the retaining ring. Reinforcing pieces 20 are fixedly installed on the cover plate 14 and the air inlet pipe 17.

[0023] The pressing structure includes a buckle 18 and a hook 19. The buckle 18 is fixedly installed on the outer wall of the mounting cover 13, and the hook 19 is fixedly installed on the outer wall of the cover plate 14. The hook 19 is lapped with the buckle 18. When the air-cooled fan blade 3 needs to be disassembled, hold the hook 19 and separate it from the buckle 18, then disassemble the cover plate 14, and then remove the air-cooled fan blade 3. Then, after cleaning the air-cooled fan blade 3, it can be reassembled, making both the air-cooled fan blade 3 and the driving motor 8 easy to disassemble and assemble separately. On the one hand, it is convenient to quickly disassemble the driving motor 8 when it fails, facilitating subsequent maintenance. On the other hand, it is convenient to disassemble and assemble the air-cooled fan blade 3, facilitating its regular cleaning, preventing the situation that the air-cooling effect decreases due to excessive dust accumulation on the surface of the air-cooled fan blade 3, ensuring the air-cooling quality, and improving the practicability of the ventilator.

[0024] Working principle: When the air-cooled fan blade 3 needs to be disassembled, hold the hook 19 and separate it from the buckle 18, then disassemble the cover plate 14, and then remove the air-cooled fan blade 3. Then, after cleaning the air-cooled fan blade 3, it can be reassembled.

[0025] The above has described the embodiments of the present invention in detail with reference to the drawings, but the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art in the technical field, various changes can be made without departing from the purpose of the present invention.

Claims

1. A cooling ventilation fan for a traction motor of an internal combustion locomotive, characterized in that, Comprising: A fan housing (1) with a mounting seat (2) fixedly installed on its outer wall. An air-cooling fan blade (3) is arranged inside the fan housing (1). A connecting unit is arranged on the left side of the air-cooling fan blade (3). A driving motor (8) is detachably installed on the top of the mounting seat (2). An installation cover (13) is fixedly installed on the right side of the fan housing (1); A cover plate (14) which is arranged on the right side of the fan housing (1), and an air inlet pipe (17) is fixedly installed on the cover plate (14); A pressing structure which is arranged on the installation cover (13) and the cover plate (14), and the pressing structure is used for connecting the installation cover (13) and the cover plate (14).

2. The cooling ventilation fan for the traction motor of an internal combustion locomotive according to claim 1, characterized in that: The connecting unit consists of an annular disc (4) and an installation bush (5). A circular opening is formed on the left side of the air-cooling fan blade (3) and the annular disc (4) is fixedly installed on its inner wall. The installation bush (5) is fixedly installed on the inner wall of the annular disc (4). A keyway is formed inside the installation bush (5). Ten positioning holes which are annularly and equally spaced are formed on the left side of the annular disc (4).

3. The cooling ventilator for the traction motor of an internal combustion locomotive according to claim 2, wherein: A circular opening is formed on the left side of the fan housing (1) and a connecting disc (6) is rotatably installed therein. A positioning post (7) is fixedly installed on the right side of the connecting disc (6), and the positioning post (7) is inserted into the positioning hole. The installation bush (5) is inserted into the inside of the connecting disc (6).

4. The cooling ventilation fan for the traction motor of an internal combustion locomotive according to claim 3, wherein: A connecting rod (9) is fixedly connected to the rotating shaft of the driving motor (8), and a key bar (10) is fixedly installed on the outer wall of the connecting rod (9), and the key bar (10) is inserted into the keyway.

5. The cooling ventilation fan for the traction motor of an internal combustion locomotive according to claim 4, characterized in that: An abutting ring (16) is fixedly installed on the left side of the cover plate (14). An annular block (11) is fixedly installed on the air-cooling fan blade (3). A sleeve (12) is fixedly installed on the right side of the annular block (11). The abutting ring (16) is inserted into the inside of the sleeve (12). A ball is arranged on the left side of the abutting ring (16), and the ball is in contact with the annular block (11).

6. The cooling ventilator for the traction motor of an internal combustion locomotive according to claim 5, characterized in that: An abutting cover (15) is fixedly installed on the left side of the cover plate (14). A retaining ring is fixedly installed on the inner wall of the fan housing (1). The abutting cover (15) is inserted into the inside of the installation cover (13), and the abutting cover (15) is in contact with the retaining ring. Reinforcing pieces (20) are fixedly installed on the cover plate (14) and the air inlet pipe (17).

7. The cooling ventilator for the traction motor of an internal combustion locomotive according to claim 6, wherein: The pressing structure includes a buckle (18) and a hook (19). The buckle (18) is fixedly installed on the outer wall of the installation cover (13), and the hook (19) is fixedly installed on the outer wall of the cover plate (14), and the hook (19) is lapped with the buckle (18).

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