Matching driving motor for cooling fan of mining machinery

Abstract

The utility model discloses a driving motor matched with a cooling fan of mining machinery, which aims to improve the heat dissipation effect and comprises a base, a front end cover, a rear end cover, a stator assembly and a rotor assembly, the stator assembly is fixedly connected in the base and matched with the rotor assembly, a rotating shaft penetrates out of the front end cover and the rear end cover, and a plurality of groups of radiating fins are fixed on the outer wall of the base. The rear end cover is fixedly connected with a fan cover, the fan cover is provided with an air outlet, the diameter of the air outlet is larger than that of the base, an air inlet is arranged between the fan cover and the base, the end portion of the rotating shaft is fixedly connected with a fan, negative pressure generated by the fan enables external air to enter the fan cover through the surface of the base and then be exhausted through the air outlet, and the heat dissipation effect is obviously improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to drive motor technical field, specifically a mine machinery cooling fan supporting drive motor. BACKGROUND

[0002] Mine machinery is mainly used for mining, and a large amount of heat is generated under long-time and high-load work of the mine machinery, which needs to be discharged in time to prevent the mechanical overheating damage, so a large number of cooling fans are installed in the mine machinery, and the drive motor is also used as the core component for driving the fan to work, which also needs to work for a long time, so the heat dissipation effect of the drive motor is required, the drive motor in the prior art relies on the surface heat radiation and natural convection heat dissipation, and the heat dissipation effect is poor, which is difficult to meet the heat dissipation demand of the motor. SUMMARY

[0003] In view of the above problems in the prior art, the utility model aims to provide a drive motor with excellent heat dissipation effect.

[0004] The utility model discloses a mine machinery cooling fan supporting drive motor that adopts the technical scheme and achieves the above-mentioned purpose, which comprises a base, a front end cover, a rear end cover, a stator assembly and a rotor assembly, one end of the base is fixedly connected with the front end cover, the other end is fixedly connected with the rear end cover, the base is fixedly connected with the stator assembly, the base is provided with the rotor assembly in cooperation with the stator assembly, the rotor assembly comprises a rotating shaft, the rotating shaft passes through the front end cover and the rear end cover at both ends, a plurality of groups of heat dissipation fins are fixedly connected on the outer wall of the base, a wind cover is fixedly connected on the rear end cover, an air outlet is arranged on the wind cover, the diameter of the wind cover is greater than that of the base, an air inlet is arranged between the wind cover and the base, and a fan is fixedly connected on the end of the wind cover.

[0005] In the above technical scheme, the front end cover and the rear end cover are provided with bearing chambers, each bearing chamber is provided with a bearing, and the rotating shaft passes through the two bearings.

[0006] In the above technical scheme, a steel wave spring is arranged between the bearing chamber of the rear end cover and the bearing.

[0007] In the above technical scheme, a bearing gland is fixedly connected on the front end cover corresponding to the bearing chamber through a fastener, the bearing is pressed down by the bearing gland, the bearing of the rear end cover is assembled in a transition fit mode, and the rotating shaft and the bearing are assembled in an interference fit mode.

[0008] In the above technical scheme, the upper portion of the base is fixedly connected with a terminal box assembly, a threading hole is arranged between the base and the terminal box assembly, and a sealing gasket is fixedly connected in the threading hole.

[0009] In the above technical scheme, the fan is installed on the rotating shaft through the elastic baffle ring.

[0010] In the above technical scheme, the fan is installed on the rotating shaft through the elastic baffle ring.

[0011] In the above technical scheme, the bearing is a deep groove ball bearing.

[0012] In the above technical scheme, the base is a gray cast iron base, the front end cover is a gray cast iron front end cover, and the rear end cover is a gray cast iron rear end cover.

[0013] In the above technical scheme, the front end cover is fixedly connected with a temperature sensor, and the temperature sensor is arranged in the base.

[0014] The motor has the advantages that the heat dissipation fins are arranged on the surface of the base, so that the heat dissipation area is increased, and the heat dissipation effect of the motor is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2 It is a structural schematic view of the utility model from the left side.

[0017] In the drawing: 1 base, 2 front end cover, 3 rear end cover, 4 stator assembly, 5 rotor assembly, 6 rotating shaft, 7 bearing, 8 heat dissipation fin, 9 fan cover, 10 air outlet, 11 air inlet, 12 fan, 13 elastic baffle ring, 14 steel wave spring, 15 bearing gland, 16 terminal box assembly, 17 sealing gasket, 18 temperature sensor. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the person skilled in the art without creative labor belong to the protection range of the utility model.

[0019] Please refer to Figure 1 ,Figure 2 The utility model provides a kind of mine machinery cooling fan matching drive motor, including base 1, front end cover 2, rear end cover 3, stator assembly 4 and rotor assembly 5, wherein, one end of base 1 is fixedly connected with front end cover 2, and the other end is fixedly connected with rear end cover 3, stator assembly 4 is fixedly connected in base 1 by tight screw, and rotor assembly 5 is equipped with in base 1 with stator assembly 4, and rotor assembly 5 includes rotating shaft 6;

[0020] The above-mentioned front end cover 2 and rear end cover 3 are each provided with a bearing chamber, each bearing chamber is provided with a bearing 7, the bearing 7 is a deep groove ball bearing 7, and the rotating shaft 6 passes through the two bearings 7, so that the two ends of the rotating shaft 6 pass out of the front end cover 2 and the rear end cover 3, respectively. When the rotating shaft 6 rotates, the wear of the rotating shaft 6 can be reduced, and the rotation stability can be improved.

[0021] Furthermore, a plurality of heat sinks 8 are fixedly connected to the outer wall of the base 1. The heat sinks 8 increase the heat dissipation area and improve the heat dissipation effect. A fan cover 9 is fixedly connected to the rear end cover 3 by fasteners (such as bolts). The fan cover 9 is provided with an air outlet 10. The diameter of the fan cover 9 is greater than the diameter of the base 1. An air inlet 11 is provided between the fan cover 9 and the base 1. A fan 12 is fixedly connected to the end of the rotating shaft 6 located in the fan cover 9. Specifically, the fan 12 is installed on the rotating shaft 6 by an elastic retainer 13. When the rotating shaft 6 rotates, the rotating shaft 6 can drive the fan 12 to rotate. External air can enter the fan cover 9 through the air inlet 11 on the surface of the base 1 and then be discharged through the air outlet 10. In this way, the air flow rate on the surface of the drive motor can be increased, and the heat dissipation effect can be improved.

[0022] Furthermore, a steel wave spring 14 is provided between the bearing chamber of the rear end cover 3 and the bearing 7 to provide axial pre-tightening force. The steel wave spring 14 can prevent the bearing 7 from running and improve the service life of the bearing 7.

[0023] Furthermore, a bearing 7 gland is fixedly connected to the bearing chamber of the front end cover 2 by fasteners (such as bolts). The bearing 7 gland presses the bearing 7. In this way, the bearing 7 of the front end cover 2 can be easily disassembled and replaced. The bearing 7 of the rear end cover 3 is assembled by transition fit. The rotating shaft 6 and the bearing 7 are assembled by interference fit.

[0024] Furthermore, a junction box assembly 16 is fixedly connected to the upper part of the base 1. A wire hole is provided between the base 1 and the junction box assembly 16. A sealing gasket 17 is fixedly connected in the wire hole. A power supply line is led out from the stator assembly 4, passes through the sealing gasket 17 and the junction box assembly 16, and then is connected to a power supply to provide power for the motor. In this way, the drive motor can better play a dustproof and waterproof effect.

[0025] In addition, the temperature sensor 18 is fixedly connected on the front end cover 2, the temperature sensor 18 is located inside the base 1, the working temperature of the driving motor is detected through the temperature sensor 18;

[0026] Finally, the above base 1, front end cover 2, rear end cover 3 are all made of gray cast iron material, and the insulation parts (sealing gasket, etc.) required by the driving motor are all made of H-grade low-smoke non-toxic material.

[0027] For those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0028] In addition, it should be understood that although the present application is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A mine machinery cooling fan matching drive motor, comprising a base (1), a front end cover (2), a rear end cover (3), a stator assembly (4) and a rotor assembly (5), one end of the base (1) is fixedly connected with the front end cover (2), the other end is fixedly connected with the rear end cover (3), the base (1) is fixedly connected with the stator assembly (4) inside, the base (1) is provided with the rotor assembly (5) matched with the stator assembly (4) inside, the rotor assembly (5) comprises a rotating shaft (6), both ends of the rotating shaft (6) respectively pass through the front end cover (2) and the rear end cover (3), characterized in that: The outer wall of the base (1) is fixedly connected with a plurality of groups of radiating fins (8), the rear end cover (3) is fixedly connected with a wind cover (9), the wind cover (9) is provided with an air outlet (10), the diameter of the wind cover (9) is greater than the diameter of the base (1), an air inlet (11) is arranged between the wind cover (9) and the base (1), and the end of the wind cover (9) is fixedly connected with a fan (12).

2. A mine machinery cooling fan matched drive motor according to claim 1, characterized in that: The front end cover (2) and the rear end cover (3) are both provided with bearing chambers, each group of the bearing chambers is provided with a bearing (7), and the rotating shaft (6) passes through the two groups of bearings (7).

3. A mine machinery cooling fan matched drive motor according to claim 2, characterized in that: A steel wave spring (14) is arranged between the bearing chamber of the rear end cover (3) and the bearing (7).

4. A mine machinery cooling fan matched drive motor according to claim 3, characterized in that: The front end cover (2) is fixedly connected with a bearing (7) pressing cover corresponding to the bearing chamber through a fastener, the bearing (7) pressing cover presses the bearing (7), the bearing (7) of the rear end cover (3) is assembled in a transition fit mode, and the rotating shaft (6) and the bearing (7) are assembled in an interference fit mode.

5. A mine machinery cooling fan matched drive motor according to claim 4, characterized in that: The upper portion of the base (1) is fixedly connected with a junction box assembly (16), and the base (1) and the junction box assembly (16) are provided with a threading hole, and the threading hole is fixedly connected with a sealing gasket (17).

6. A mine machinery cooling fan matched drive motor according to claim 1, characterized in that: The fan (12) is mounted on the rotating shaft (6) through an elastic retainer (13).

7. A mine machinery cooling fan matched drive motor according to claim 6, characterized in that: The wind cover (9) is fixedly connected to the rear end cover (3) through a fastener.

8. The mine machinery cooling fan companion drive motor of claim 2, wherein: The bearing (7) is a deep groove ball bearing.

9. The mine machinery cooling fan companion drive motor of claim 1, wherein: The base (1) is a gray cast iron base, the front end cover (2) is a gray cast iron front end cover, and the rear end cover (3) is a gray cast iron rear end cover.

10. The mine machinery cooling fan companion drive motor of claim 1, wherein: The front end cover (2) is fixedly connected with a temperature sensor (18), and the temperature sensor (18) is located in the base (1).

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