High-power alternating-current motor for branch pulverizer

Abstract

The high-power alternating-current motor comprises a supporting seat and a motor main body arranged above the supporting seat, a heat dissipation assembly is arranged between the supporting seat and the motor main body, the motor main body comprises an outer shell and a cover body arranged on the outer shell, an inner shell is arranged in the outer shell, and the cover body is arranged on the inner shell. A stator assembly is arranged in the inner shell, a rotor assembly is arranged in the center of the stator assembly, the heat dissipation assembly comprises a heat dissipation shell, the cover body and the heat dissipation shell are integrally formed, an impeller is arranged in the heat dissipation shell, the rotating shaft penetrates through the heat dissipation shell and is connected with the impeller, an air inlet is formed in the heat dissipation shell, and the rotor assembly is arranged in the air inlet. An air channel is formed in the outer side of the impeller, a first sound absorption cavity is formed in one side of the air channel, and the first sound absorption cavity is filled with a first sound absorption material. According to the utility model, the noise generated in the operation process of the motor is obviously reduced, a quieter working environment is provided, and the user experience is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor technical field, especially a kind of high-power alternating current motor for branch shredder. BACKGROUND

[0002] High-power alternating current motor refers to motor with larger power, stable output and high torque, which can effectively drive shredder to process hard branches.It usually uses alternating current, has high starting torque, durability and good cooling system, adapts to harsh working environment, and ensures efficient and long-term operation of equipment.

[0003] The existing high-power alternating current motor generates excessive heat when running under high load, which causes overheating problem, reduces the working stability and service life of the motor, so a impeller structure is provided for heat dissipation. However, the noise is large when the impeller rotates, and long-term high-noise operation not only affects the use environment, but also may disturb the operator. UTILITY MODEL CONTENTS

[0004] The technical problem to be solved by the utility model is to provide a high-power alternating current motor for branch shredder, which significantly reduces the noise generated during operation of the motor, provides a more quiet working environment and improves user experience.

[0005] To solve the above technical problems, the utility model provides a high-power alternating current motor for branch shredder, which comprises a support seat and a motor body arranged above the support seat, a heat dissipation assembly is arranged between the support seat and the motor body, the motor body comprises an outer shell and a cover arranged on the outer shell, an inner shell is arranged in the outer shell, a stator assembly is arranged in the inner shell, a rotor assembly is arranged at the center of the stator assembly, the rotor assembly comprises a rotating shaft and a rotor body arranged on the rotating shaft, the rotating shaft is arranged in the inner shell and the outer shell, the stator assembly comprises a stator core attached to the inner wall of the outer shell, a stator winding is arranged on the stator core, the heat dissipation assembly comprises a heat dissipation shell, the cover and the heat dissipation shell are integrally formed, an impeller is arranged in the heat dissipation shell, the rotating shaft passes through the heat dissipation shell and is connected with the impeller, an air inlet is arranged on the heat dissipation shell, an air duct is arranged on the outer side of the impeller, the air duct is communicated with the air inlet, a first sound-absorbing chamber is arranged on one side of the air duct, and the first sound-absorbing chamber is filled with a first sound-absorbing material.

[0006] An outer air guide plate is arranged in the heat dissipation shell, an inner air guide plate is arranged on the inner side of the outer air guide plate, and the air duct is formed between the outer air guide plate and the inner air guide plate.

[0007] One end of the outer air guide plate close to the air inlet is provided with a first baffle, the first baffle and the heat dissipation shell form the first sound-absorbing chamber, and a plurality of first through holes are arranged on the first baffle.

[0008] The second sound-absorbing chamber is filled with a second sound-absorbing material.

[0009] The second baffle is provided with a plurality of second through holes.

[0010] The inner wall of the outer shell is provided with a sound-absorbing pad.

[0011] The cover is provided with a protruding rib, and the outer shell is provided with a corresponding slot.

[0012] A damping pad is arranged between the support base and the heat dissipation shell.

[0013] The end of the rotating shaft away from the heat dissipation assembly is provided with a rectifier.

[0014] The first sound-absorbing material and the second sound-absorbing material are made of glass wool or rock wool.

[0015] In use, the external power supply provides power, and the power supply interacts between the rotor and the stator to generate a magnetic field of the stator winding, drives the rotor to rotate, and the rotor is connected with the blade of the branch shredder through the rotating shaft to generate mechanical energy, thereby providing power for the branch shredder to perform the branch shredding work.

[0016] The beneficial effects brought by the utility model are:

[0017] The utility model significantly reduces the noise generated during the operation of the motor, provides a more quiet working environment, and improves the user experience.

[0018] The utility model can effectively take away the heat generated during the operation of the motor, avoid overheating damage to the motor, and improve the working stability and service life of the motor.

[0019] The utility model effectively slows down the vibration generated during the operation of the motor, avoids the vibration from being transmitted to the support structure, and thereby improves the stability of the motor. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model.

[0021] Figure 2 is the bottom view of the cover body of the utility model.

[0022] Figure 3 is the sectional view of the motor body of the utility model.

[0023] Figure 4 is the structural schematic view of the cover body of the utility model.

[0024] Figure 5 is the structural schematic view of the outer shell body of the utility model.

[0025] Figure 6 is the structural schematic view of the first baffle of the utility model.

[0026] Figure 7 is the structural schematic view of the second baffle of the utility model.

[0027] In the drawing: 1, support seat; 2, motor body; 3, heat dissipation assembly; 4, outer shell body; 5, cover body; 6, inner shell body; 7, stator assembly; 8, rotor assembly; 9, rotating shaft; 10, rotor body; 11, stator core; 12, stator winding; 13, heat dissipation shell; 14, impeller; 15, air inlet; 16, air duct; 17, first sound absorption chamber; 18, first sound absorption material; 19, second sound absorption chamber; 20, second sound absorption material; 21, outer air deflector; 22, inner air deflector; 23, first baffle; 24, first through hole; 25, second baffle; 26, second through hole; 27, sound absorption pad; 28, convex rib; 29, insertion slot; 30, shock pad; 31, rectifier. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model; Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments; Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0029] According to Figures 1 to 7As shown, the utility model is a kind of high-power ac motor for branch grinder, including support seat 1 and the motor main body 2 being arranged on support seat 1 upper, support seat 1 with the motor main body 2 between being provided with heat dissipation component 3, to guarantee that motor can effectively cool down when high load operation, prolong service life.Motor main body 2 is by shell body 4 and the cover 5 being arranged on shell body 4, shell body 4 inside is equipped with inner shell 6, then install stator assembly 7 in inner shell 6, the central part of stator assembly 7 is provided with rotor assembly 8, and rotor assembly 8 includes rotating shaft 9 and rotor main body 10 being fixed on rotating shaft 9, rotating shaft 9 is arranged in inner shell 6 and shell body 4, and stator assembly 7 includes stator core 11 that is closely attached on the inner wall of shell body 4, and stator winding 12 is installed on stator core 11, for generating magnetic field, and work with rotor to drive motor operation.Heat dissipation component 3 includes heat dissipation shell 13, and heat dissipation shell 13 and cover 5 are integrally formed, and impeller 14 is equipped in heat dissipation shell 13, and rotating shaft 9 passes through heat dissipation shell 13 and is connected with impeller 14, along with the rotation of rotating shaft 9, impeller 14 generates airflow, effectively carries away the heat generated in the motor, and heat dissipation shell 13 is also equipped with air inlet 15, and air duct 16 is arranged on the outside of impeller 14, and outer air baffle 21 is installed in heat dissipation shell 13, and inner air baffle 22 is arranged on the inside of outer air baffle 21, and air duct 16 is formed between the two, and air duct 16 is communicated with air inlet 15, the flow path of airflow is optimized, the heat dissipation efficiency is improved, and the effect of turbulence is achieved, and the noise generated by airflow is reduced.

[0030] Air duct 16 side is equipped with first sound absorption chamber 17, and first sound absorption material 18 is filled in first sound absorption chamber 17, and one end of outer air baffle 21 close to air inlet 15 is equipped with first baffle 23, and first sound absorption chamber 17 is formed between first baffle 23 and heat dissipation shell 13, and a plurality of first through holes 24 are arranged on first baffle 23 for absorbing noise, in addition, second sound absorption chamber 19 is also equipped in heat dissipation shell 13, and second sound absorption material 20 is filled in second sound absorption chamber 19, and second baffle 25 is equipped at one end of outer air baffle 21 away from air inlet 15, and second sound absorption chamber 19 is formed between second baffle 25 and heat dissipation shell 13, and a plurality of second through holes 26 are also arranged on second baffle 25, by such structure, not only improve the heat dissipation effect, but also reduce the noise when motor works, provide more quiet running conditions for use environment.

[0031] The inner wall of shell body 4 is equipped with sound-absorbing pad 27, to further reduce the noise level when motor works, improve the quiet effect of equipment, so as to provide more quiet and comfortable working environment for users.

[0032] The cover 5 is equipped with convex rib 28, and the corresponding slot 29 is arranged on the shell body 4, and the convex rib 28 is inserted in the slot 29, so that the cover 5 and the shell body 4 are connected stably, and the assembly between the cover 5 and the shell body 4 is more convenient.

[0033] The damping pad 30 is arranged between the support base 1 and the heat dissipation shell 13, which can effectively reduce the vibration generated during the operation of the motor, so as to reduce the vibration transmission to the support structure.

[0034] The rectifier 31 is arranged at the end of the rotating shaft 9 away from the heat dissipation assembly 3. The rectifier 31 can convert alternating current into direct current, so as to provide more stable power supply for the motor and ensure the efficient operation of the motor in different working environments.

[0035] The first sound-absorbing material 18 and the second sound-absorbing material 20 are made of glass wool or rock wool. The two materials have excellent sound insulation effect and sound absorption performance, and can effectively absorb the noise and vibration generated during the operation of the motor.

[0036] In use, the power is provided by an external power supply. The power supply interacts between the rotor and the stator to generate a magnetic field of the stator winding 12, drives the rotor to rotate, and connects the rotor to the blade of the branch shredder through the rotating shaft 9 to generate mechanical energy, thereby providing power for the branch shredder and performing the branch shredding work. In the working process, the impeller 14 in the heat dissipation shell 13 rotates under the driving of the rotating shaft 9, pushes the air flow, and inhales the air through the air inlet 15. The air flows in the air duct 16 and then passes through the impeller 14, and is finally guided into the outer shell 4, thereby taking away the heat generated in the motor. At the same time, the glass wool or rock wool material filled in the first sound-absorbing chamber 17 and the second sound-absorbing chamber 19 can effectively absorb the noise generated during the operation of the motor, thereby reducing the noise propagation.

[0037] The utility model brings the beneficial effect is:

[0038] The utility model significantly reduces the noise generated during the operation of the motor, provides a more quiet working environment, and improves the user experience.

[0039] The utility model can effectively take away the heat generated during the operation of the motor, avoid overheating damage to the motor, and improve the working stability and service life of the motor.

[0040] The utility model effectively reduces the vibration generated during the operation of the motor, avoids the vibration transmission to the support structure, and improves the stability of the motor.

[0041] The above is only the preferred embodiment of the utility model, so equivalent changes or modifications made according to the structure, features and principles of the utility model patent application range are included in the utility model patent application range.

Claims

1. A high-power alternating current motor for a tree shredder, comprising a support base and a motor body arranged above the support base, characterized in that: The support seat and the motor body are provided with a heat dissipation assembly, the motor body comprises an outer shell and a cover body provided on the outer shell, an inner shell is arranged in the outer shell, a stator assembly is arranged in the inner shell, a rotor assembly is arranged at the center of the stator assembly, the rotor assembly comprises a rotating shaft and a rotor body provided on the rotating shaft, the rotating shaft is arranged in the inner shell and the outer shell, the stator assembly comprises a stator core attached to the inner wall of the outer shell, the stator core is provided with a stator winding, the heat dissipation assembly comprises a heat dissipation shell, the cover body and the heat dissipation shell are integrally formed, an impeller is arranged in the heat dissipation shell, the rotating shaft passes through the heat dissipation shell and is connected with the impeller, an air inlet is arranged on the heat dissipation shell, an air duct is arranged outside the impeller, the air duct is communicated with the air inlet, a first sound absorption chamber is arranged on one side of the air duct, and the first sound absorption chamber is filled with a first sound absorption material.

2. A high-power AC motor for a tree shredder according to claim 1, characterized in that: The heat dissipation shell is provided with an outer air guide plate, an inner air guide plate is arranged on the inner side of the outer air guide plate, and the outer air guide plate and the inner air guide plate form the air duct.

3. A high-power AC motor for a tree shredder according to claim 2, characterized in that: One end of the outer air guide plate close to the air inlet is provided with a first baffle, the first baffle and the heat dissipation shell form the first sound absorption chamber, and a plurality of first through holes are arranged on the first baffle.

4. A high-power AC motor for a tree shredder according to claim 2, characterized in that: The heat dissipation shell is also provided with a second sound absorption chamber, and the second sound absorption chamber is filled with a second sound absorption material.

5. A high-power AC motor for a tree shredder according to claim 4, characterized in that: One end of the outer air guide plate away from the air inlet is provided with a second baffle, the second baffle and the heat dissipation shell form the second sound absorption chamber, and a plurality of second through holes are arranged on the second baffle.

6. A high power AC motor for a tree shredder according to claim 1, characterized in that: The inner wall of the outer shell is provided with a sound absorption pad.

7. A high power AC motor for a tree shredder according to claim 1, characterized in that: The cover body is provided with a protruding rib, and the outer shell is provided with a corresponding slot, and the protruding rib is inserted into the slot.

8. A high power AC motor for a tree shredder according to claim 1, characterized in that: The support seat and the heat dissipation shell are provided with a shock absorbing pad.

9. A high power AC motor for a tree shredder according to claim 1, characterized in that: One end of the rotating shaft away from the heat dissipation assembly is provided with a rectifier.

10. A high-power AC motor for a tree shredder according to claim 4, characterized in that: The first sound absorption material and the second sound absorption material are made of glass wool or rock wool material.

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