Anti-vibration and noise-reduction dust explosion-proof permanent magnet variable frequency motor

Abstract

The utility model relates to the technical field of permanent magnet variable frequency motors, in particular to an anti-vibration and noise-reduction dust explosion-proof permanent magnet variable frequency motor, which comprises a base, a protective shell and a sealing plate, the top of the protective shell is communicated with an air inlet bin, and one end of the air inlet bin is provided with a suction fan; a high-temperature alarm is installed at the other end of the air inlet bin through screws, electric cylinders are installed on the two sides of the top end in the protective shell through installation bases, output shafts of the electric cylinders are connected with a sealing plate through connecting discs, and a bearing plate is installed on one side of the bottom end of the sealing plate through bolts. The permanent magnet variable frequency motor has the anti-vibration and noise-reduction effects, so that the permanent magnet variable frequency motor works at a proper temperature and in a closed environment, dust explosion is avoided, the permanent magnet variable frequency motor can be conveniently and automatically pushed out, and maintenance is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of permanent magnet variable frequency motors, in particular to a dust-proof and explosion-proof permanent magnet variable frequency motor with anti-vibration and noise reduction. Background Art

[0002] Permanent magnet variable frequency motors incorporate permanent magnets into traditional variable frequency motors, using the permanent magnet material as the rotor magnetic field source. Their operating principle is based on the laws of magnetic field induction and electromagnetic induction. Current generates a magnetic field in the coil, which interacts with the magnetic field in the permanent magnet, generating rotational torque and driving the motor.

[0003] The existing permanent magnet variable frequency motors have poor vibration and noise reduction effects, cannot operate at a suitable temperature and in a closed environment to avoid dust explosions, and are not easy to automatically push out the permanent magnet variable frequency motors for easy maintenance. Utility Model Content

[0004] In response to the problems in the existing technology, the utility model provides a dust-proof explosion-proof permanent magnet variable frequency motor with anti-vibration and noise reduction. The permanent magnet variable frequency motor has the effect of anti-vibration and noise reduction, enabling the permanent magnet variable frequency motor to operate at a suitable temperature and in a closed environment to avoid dust explosions, and it is convenient to automatically push out the permanent magnet variable frequency motor for easy maintenance.

[0005] The technical solution adopted by the utility model to solve its technical problems is a dust-proof and explosion-proof permanent magnet variable-frequency motor with vibration resistance and noise reduction, comprising a base, a protective shell and a sealing plate, the top of the protective shell is connected to an air intake bin and one end of the air intake bin is installed with a suction fan, the other end of the air intake bin is installed with a high-temperature alarm by screws, electric cylinders are installed on both sides of the top end of the protective shell through mounting seats, the output shaft of the electric cylinder is connected to the sealing plate through a connecting disk, a bearing plate is installed on one side of the bottom end of the sealing plate by bolts, a damping shock absorber is installed at the top corner of the bearing plate through a mounting disk, and the top movable end of the damping shock absorber is installed with a motor mounting plate by bolts;

[0006] A permanent magnet variable frequency motor is installed on the top of the motor mounting plate by bolts, a rubber embedded block is bonded to the inner side of the sealing plate, and the output shaft of the electric cylinder, the load-bearing plate and the motor mounting plate pass through the rubber embedded block, slide rails are installed on both sides of the bottom of the protective shell by screws, sliders are provided on both sides of the bottom of the load-bearing plate and the sliders are located in the slide rails, a hollow interlayer is provided in the shell wall of the protective shell, stainless steel reinforcement layers are provided on both sides of the inner wall of the hollow interlayer, and perlite particles are filled between the stainless steel reinforcement layers.

[0007] By adopting the above technical solution, the permanent magnet variable frequency motor has the effect of anti-vibration and noise reduction, allowing the permanent magnet variable frequency motor to operate at a suitable temperature and in a closed environment, avoiding dust explosions, and facilitating the automatic ejection of the permanent magnet variable frequency motor for easy maintenance.

[0008] Specifically, bases are installed on both sides of the bottom of the protective shell through support plates, and mounting screw holes are opened at the corners of the bases.

[0009] By adopting the above technical solution, the entire device can be easily installed and fixed by utilizing the mounting screw holes at the corners of the base and the matching bolts, and can also be easily disassembled.

[0010] Specifically, the sealing plate and the rubber embedded block are provided with shaft sleeves through reserved holes, and the output shaft of the permanent magnet variable frequency motor passes through the shaft sleeves.

[0011] Specifically, the output port of the suction fan is connected to the air inlet bin through a pipeline, and the detection end of the high temperature alarm is located in the protective shell.

[0012] By adopting the above technical solution, when the temperature inside the protective shell is high and exceeds the set value of the high temperature alarm, the high temperature alarm will sound an alarm.

[0013] Specifically, air inlets are provided on both sides of the bottom end of the protective shell, and breathable mesh films are installed on the outer sides of the air inlets by screws.

[0014] Specifically, a handle is installed on the top of the protective shell and located between the air inlet bin and the high temperature alarm through bolts.

[0015] Beneficial effects of the utility model:

[0016] (1) The utility model describes a dust explosion-proof permanent magnet variable frequency motor with shock resistance and noise reduction. When the temperature inside the protective shell is high and exceeds the set value of the high temperature alarm, the high temperature alarm will sound an alarm. The staff will promptly turn on the suction fan to extract the hot gas in the protective shell. New air enters the protective shell from the air inlet, which greatly improves the heat dissipation rate of the permanent magnet variable frequency motor. In addition, the breathable mesh membrane is used to prevent dust particles from entering the protective shell while allowing air to pass through, so that the permanent magnet variable frequency motor can operate at a suitable temperature and in a closed environment to avoid dust explosion.

[0017] (2) The utility model discloses a dust-proof and explosion-proof permanent magnet variable frequency motor with anti-vibration and noise reduction. The damping shock absorber is used to improve the vibration reduction effect of the permanent magnet variable frequency motor during operation and reduce mechanical noise. The stainless steel reinforcement layer is used to improve the strength of the protective shell and has a significant anti-deformation effect. Perlite particles are used to improve the sound absorption and noise reduction effect of the protective shell. The electric cylinder is used to automatically push out the permanent magnet variable frequency motor for easy maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the electric cylinder, slide rail and slider of the utility model;

[0021] Figure 3 This is a schematic diagram of the protective shell material composition structure of the utility model.

[0022] In the figure: 1. Base; 2. Mounting screw holes; 3. Load-bearing plate; 4. Motor mounting plate; 5. Damping shock absorber; 6. Permanent magnet variable frequency motor; 7. Stainless steel reinforcement layer; 8. Bushing; 9. Sealing plate; 10. Rubber embedded block; 11. High temperature alarm; 12. Handle; 13. Air inlet chamber; 14. Suction fan; 15. Protective shell; 16. Air inlet; 17. Breathable mesh; 18. Hollow interlayer; 19. Support plate; 20. Slide rail; 21. Slider; 22. Electric cylinder; 23. Perlite particles. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] In order to make the permanent magnet variable frequency motor have the effect of anti-vibration and noise reduction, the permanent magnet variable frequency motor 6 can work in a suitable temperature and closed environment to avoid dust explosion, and it is convenient to automatically push the permanent magnet variable frequency motor 6 out for maintenance. Figure 1-3 As shown, the utility model is a dust-proof and explosion-proof permanent magnet variable frequency motor with vibration resistance and noise reduction, comprising a base 1, a protective shell 15 and a sealing plate 9. The top of the protective shell 15 is connected to an air intake bin 13, and one end of the air intake bin 13 is installed with a suction fan 14. The other end of the air intake bin 13 is installed with a high temperature alarm 11 by screws. Electric cylinders 22 are installed on both sides of the top of the protective shell 15 through mounting seats. The output shaft of the electric cylinder 22 is connected to the sealing plate 9 through a connecting disk. A bearing plate 3 is installed on one side of the bottom end of the sealing plate 9 by bolts. A damping shock absorber 5 is installed at the top corner of the bearing plate 3 through a mounting disk, and the top movable end of the damping shock absorber 5 is installed with a motor mounting plate 4 by bolts.

[0025] A permanent magnet variable frequency motor 6 is installed on the top of the motor mounting plate 4 by bolts, a rubber embedded block 10 is bonded to the inner side of the sealing plate 9, and the output shaft of the electric cylinder 22, the bearing plate 3 and the motor mounting plate 4 pass through the rubber embedded block 10, and slide rails 20 are installed on both sides of the bottom of the protective shell 15 by screws, and sliders 21 are provided on both sides of the bottom of the bearing plate 3 and the sliders 21 are located in the slide rails 20, and a hollow interlayer 18 is provided in the shell wall of the protective shell 15, and stainless steel reinforcement layers 7 are provided on both sides of the inner wall of the hollow interlayer 18, and perlite particles 23 are filled between the stainless steel reinforcement layers 7.

[0026] When in use, the permanent magnet variable frequency motor has the effect of shock resistance and noise reduction, allowing the permanent magnet variable frequency motor 6 to work at a suitable temperature and in a closed environment, avoiding dust explosions, and facilitating the automatic ejection of the permanent magnet variable frequency motor 6 for easy maintenance.

[0027] For example, Figure 1 As shown, the present invention further includes that bases 1 are mounted on both sides of the bottom of the protective shell 15 through support plates 19 , and mounting screw holes 2 are provided at the corners of the base 1 .

[0028] When in use, the entire device can be easily installed and fixed using the mounting screw holes 2 at the corners of the base 1 and the matching bolts, and can also be easily disassembled.

[0029] For example, Figure 1 As shown, the present invention further includes that a shaft sleeve 8 is provided on the sealing plate 9 and the rubber embedded block 10 through a reserved hole sleeve, and the output shaft of the permanent magnet variable frequency motor 6 passes through the shaft sleeve 8.

[0030] When in use, the shaft sleeve 8 is used to provide stable guidance for the output shaft of the permanent magnet variable frequency motor 6 .

[0031] For example, Figure 1 As shown, the present invention further includes that the output port of the suction fan 14 is connected to the air inlet bin 13 through a pipeline, and the detection end of the high temperature alarm 11 is located in the protective shell 15.

[0032] During use, when the temperature inside the protective housing 15 is high and exceeds the set value of the high temperature alarm 11 , the high temperature alarm 11 will sound an alarm.

[0033] For example, Figure 1 As shown, the present invention further includes that air inlets 16 are provided on both sides of the bottom end of the protective shell 15 and breathable mesh membranes 17 are installed on the outer sides of the air inlets 16 by screws.

[0034] When in use, the breathable mesh membrane 17 allows air to pass through while preventing dust particles from entering the protective shell 15 .

[0035] For example, Figure 1 As shown, the present invention further includes a handle 12 mounted on the top of the protective shell 15 and located between the air inlet bin 13 and the high temperature alarm 11 by bolts.

[0036] When in use, the handle 12 facilitates the handling of the entire device during installation and removal.

[0037] When the utility model is in use, when the temperature inside the protective shell 15 is high and exceeds the set value of the high temperature alarm 11, the high temperature alarm 11 will sound an alarm, and the staff will promptly start the suction fan 14 to extract the hot gas in the protective shell 15, and new air will enter the protective shell 15 from the air inlet 16, greatly improving the heat dissipation rate of the permanent magnet variable frequency motor 6;

[0038] The breathable mesh 17 is used to prevent dust particles from entering the protective shell 15 while allowing ventilation, so that the permanent magnet variable frequency motor 6 can operate at a suitable temperature and in a closed environment, thereby avoiding dust explosions. The damping shock absorber 5 is used to improve the shock absorption effect of the permanent magnet variable frequency motor 6 during operation and reduce mechanical noise.

[0039] The stainless steel reinforcement layer 7 is used to improve the strength of the protective shell 15, and the anti-deformation effect is significant. The perlite particles 23 are used to improve the sound absorption and noise reduction effect of the protective shell 15. The electric cylinder 22 is used to automatically push out the permanent magnet variable frequency motor 6 for easy maintenance.

[0040] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A dust-proof explosion-proof permanent magnet variable frequency motor with anti-vibration and noise reduction, characterized in that: The utility model comprises a base (1), a protective shell (15) and a sealing plate (9), wherein the top of the protective shell (15) is connected to an air inlet bin (13) and one end of the air inlet bin (13) is installed with a suction fan (14), and the other end of the air inlet bin (13) is installed with a high temperature alarm (11) by screws, and electric cylinders (22) are installed on both sides of the top of the protective shell (15) through mounting seats, and the output shaft of the electric cylinder (22) is connected to the sealing plate (9) through a connecting plate, and a supporting plate (3) is installed on one side of the bottom end of the sealing plate (9) by bolts, and a damping shock absorber (5) is installed at the top corner of the supporting plate (3) through a mounting plate, and the top movable end of the damping shock absorber (5) is installed with a motor mounting plate (4) by bolts; A permanent magnet variable frequency motor (6) is mounted on the top of the motor mounting plate (4) by means of bolts, a rubber embedding block (10) is bonded to the inner side of the sealing plate (9), and the output shaft of the electric cylinder (22), the bearing plate (3) and the motor mounting plate (4) pass through the rubber embedding block (10), slide rails (20) are mounted on both sides of the bottom of the protective housing (15) by means of screws, sliders (21) are provided on both sides of the bottom of the bearing plate (3), and the sliders (21) are located in the slide rails (20), a hollow interlayer (18) is provided in the shell wall of the protective housing (15), stainless steel reinforcement layers (7) are provided on both sides of the inner wall of the hollow interlayer (18), and perlite particles (23) are filled between the stainless steel reinforcement layers (7).

2. The dust explosion-proof permanent magnet variable frequency motor with vibration resistance and noise reduction according to claim 1, characterized in that: Bases (1) are mounted on both sides of the bottom of the protective housing (15) via support plates (19), and mounting screw holes (2) are provided at the corners of the base (1).

3. The dust explosion-proof permanent magnet variable frequency motor with vibration resistance and noise reduction according to claim 1, characterized in that: A shaft sleeve (8) is provided on the sealing plate (9) and the rubber embedded block (10) through a reserved hole sleeve, and the output shaft of the permanent magnet variable frequency motor (6) passes through the shaft sleeve (8).

4. The dust explosion-proof permanent magnet variable frequency motor with vibration resistance and noise reduction according to claim 1, characterized in that: The output port of the suction fan (14) is connected to the air inlet bin (13) via a pipeline, and the detection end of the high temperature alarm (11) is located in the protective housing (15).

5. The dust explosion-proof permanent magnet variable frequency motor with vibration resistance and noise reduction according to claim 1, characterized in that: Air inlets (16) are provided on both sides of the bottom end of the protective shell (15), and breathable mesh membranes (17) are installed on the outside of the air inlets (16) via screws.

6. The dust explosion-proof permanent magnet variable frequency motor with vibration resistance and noise reduction according to claim 1, characterized in that: A handle (12) is mounted on the top of the protective housing (15) and located between the air inlet bin (13) and the high temperature alarm (11) via bolts.

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