Permanent magnet motor driving device for belt conveyor

Abstract

The utility model discloses a permanent magnet motor driving device for a belt conveyor, which relates to the technical field of driving devices, solves the technical problems of high maintenance cost and high maintenance amount caused by the adoption of an asynchronous motor for driving in the prior art, and comprises a driving base, and a pair of driving device frames are fixedly mounted on the upper wall surface of the driving base. A main shaft is rotationally installed in the driving device frame, a barrel support is fixedly installed on the main shaft, the installation mode of assemblies is clear, the overall structure is simple, and manufacturing and installation are easy; the permanent magnet synchronous variable frequency motor is adopted as a driving part, high efficiency and high power factor are achieved, energy consumption can be saved, and operation cost is reduced. The serpentine spring coupling can effectively prevent impact, reduce vibration and change load, protect equipment and improve the stability and reliability of the system; the disc brake is installed so that operation of the transmission roller can be rapidly stopped, the safety of the system is improved, and the safety of equipment and personnel is protected.

Description

Technical Field

[0001] The utility model relates to the technical field of permanent magnet motors, in particular to a permanent magnet motor driving device for a belt conveyor. Background Art

[0002] The technical field involved in the utility model is that the permanent magnet motor drive system of the belt conveyor is a modern and efficient driving method, which realizes the driving of the conveyor by directly connecting the permanent magnet motor and the transmission roller. This driving method eliminates the traditional transmission devices such as reducers and couplers, simplifies the structure, reduces costs, and improves reliability and efficiency; the permanent magnet motor drive system includes components such as permanent magnet synchronous motors, frequency converters, sensors and control systems. The permanent magnet synchronous motor has the characteristics of high efficiency, high power density and fast response, and is suitable for driving belt conveyors. The frequency converter is used to control the speed and output torque of the motor to realize the speed regulation and operation control of the conveyor. The sensor is used to monitor the operating status of the motor and the conveyor to ensure the safe and stable operation of the system. The control system integrates various components to achieve automatic control and monitoring of the conveyor; the characteristics of the permanent magnet motor drive system include: simplified structure: eliminating traditional transmission devices such as reducers and couplings, reducing the number of parts and components, and reducing maintenance costs; high efficiency and energy saving: permanent magnet motors have high efficiency and high power factor, which can save energy consumption and reduce operating costs; stable and reliable: permanent magnet synchronous motors have simple structure, high overload multiples, reliable and mature frequency conversion technology, complete protection, and stable and reliable operation; intelligent management: through intelligent frequency conversion control, intelligent management is achieved, operating efficiency is improved, and equipment life is extended; easy installation: easy installation, low maintenance, and maintenance cost savings.

[0003] The existing technology uses asynchronous motor drive, which leads to technical problems such as high maintenance cost and high repair workload. Summary of the invention

[0004] In view of the deficiencies of the prior art, the utility model provides a permanent magnet motor drive device for a belt conveyor, which solves the technical problem of the prior art that the use of asynchronous motor drive leads to high maintenance cost and repair workload.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a permanent magnet motor drive device for a belt conveyor, comprising a drive base, a pair of drive device frames are fixedly installed on the upper wall of the drive base, a main shaft is rotatably installed in the drive device frame, a tube bracket is fixedly installed on the main shaft, a transmission roller is fixedly installed outside the tube bracket, a driving part is installed on the drive base, and the head transmission device is the driving part of the entire belt conveyor. The mine flameproof three-phase permanent magnet synchronous motor drives the belt conveyor, which changes the traditional transmission mode. The mine flameproof three-phase permanent magnet synchronous motor is directly connected to the drive transmission roller, omitting intermediate devices such as reducers.

[0006] Preferably, the driving part comprises a permanent magnet synchronous variable frequency motor, a motor base is fixedly mounted on the side wall of the driving base, and the permanent magnet synchronous variable frequency motor is fixedly mounted on the upper wall of the motor base.

[0007] Preferably, a serpentine spring coupling is fixedly mounted on the upper wall of the driving base, the input end of the serpentine spring coupling is fixedly connected to the driving end of the permanent magnet synchronous variable frequency motor, and the output end of the serpentine spring coupling is fixedly connected to one end of the main shaft.

[0008] Preferably, a disc brake is fixedly mounted on the upper wall of the driving base, one end of the main shaft is fixedly connected to the input end of the disc brake, and the disc brake device is used for braking the belt conveyor, which solves the problems of brake disc heat dissipation and brake sparks, and can effectively prevent the occurrence of back-up accidents caused by failure of the backstop of the upper belt conveyor, making the conveyor safer and more reliable.

[0009] Preferably, there are two transmission rollers, which are respectively fixedly mounted on both sides of the driving device frame.

[0010] Preferably, friction patterns are formed on the outside of the transmission roller.

[0011] Beneficial Effects

[0012] The utility model provides a permanent magnet motor drive device for a belt conveyor. The installation method of the components of the utility model is clear and concise, the overall structure is simple, and it is easy to manufacture and install; a permanent magnet synchronous variable frequency motor is used as a driving part, which has high efficiency and high power factor, can save energy consumption, and reduce operating costs; the application of a serpentine spring coupling can effectively prevent impact, vibration reduction and variable loads, protect equipment, and improve the stability and reliability of the system; the installation of a disc brake can quickly stop the operation of the transmission roller, improve the safety of the system, and protect the safety of equipment and personnel; two transmission rollers are respectively fixed on both sides of the drive device frame, which can evenly share the load and improve the stability and life of the transmission system. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the main structure of a permanent magnet motor drive device for a belt conveyor described in the utility model.

[0014] Figure 2 The utility model is a schematic diagram of a top view of a permanent magnet motor drive device for a belt conveyor.

[0015] In the figure: 1. driving base; 2. driving device frame; 3. main shaft; 4. drum bracket; 5. driving roller; 6. permanent magnet synchronous variable frequency motor; 7. motor base; 8. serpentine spring coupling; 9. disc brake; 10. friction pattern; DETAILED DESCRIPTION

[0016] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the invention, the technical scheme in the embodiment of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiment of the present invention. Obviously, the described embodiment is only a part of the embodiment of the present invention, rather than all the embodiments. The detailed description is as follows.

[0017] See also Figure 1-2 The utility model provides a technical solution: a permanent magnet motor drive device for a belt conveyor, comprising a drive base 1, a pair of drive device frames 2 are fixedly installed on the upper wall of the drive base 1, a main shaft 3 is rotatably installed in the drive device frame 2, a drum bracket 4 is fixedly installed on the main shaft 3, a transmission roller 5 is fixedly installed outside the drum bracket 4, a driving part is installed on the drive base, and the head transmission device is the driving part of the entire belt conveyor. The mine flameproof three-phase permanent magnet synchronous motor drives the belt conveyor, which changes the traditional transmission mode. It directly connects the mine flameproof three-phase permanent magnet synchronous motor to drive the transmission roller 5, omitting intermediate devices such as reducers.

[0018] This embodiment is further configured such that the driving part includes a permanent magnet synchronous variable frequency motor 6 , a motor base 7 is fixedly mounted on the side wall of the driving base 1 , and the permanent magnet synchronous variable frequency motor 6 is fixedly mounted on the upper wall of the motor base 7 .

[0019] This embodiment is further configured such that a serpentine spring coupling 8 is fixedly mounted on the upper wall of the driving base 1 , the input end of the serpentine spring coupling 8 is fixedly connected to the driving end of the permanent magnet synchronous variable frequency motor 6 , and the output end of the serpentine spring coupling 8 is fixedly connected to one end of the main shaft 3 .

[0020] This embodiment is further configured such that a disc brake 9 is fixedly mounted on the upper wall of the driving base 1, one end of the main shaft 3 is fixedly connected to the input end of the disc brake 9, and the disc brake device is used for braking the belt conveyor, which solves the problems of brake disc heat dissipation and brake sparks, and can effectively prevent the occurrence of reverse runaway accidents caused by failure of the backstop of the upper belt conveyor, making the conveyor safer and more reliable.

[0021] The present embodiment is further configured such that there are two transmission rollers 5 , and the transmission rollers 5 are respectively fixedly mounted on both sides of the driving device frame 2 .

[0022] In this embodiment, friction grooves 10 are further provided on the outside of the driving drum 5 .

[0023] The detailed connection means are well known in the art; Figure 1-2 As shown, first, the drive base 1 needs to be installed at the appropriate position of the belt conveyor, and fixed and connected according to the design requirements; the permanent magnet synchronous variable frequency motor 6 is installed on the motor base 7 to ensure that it is firmly fixed. Connect the motor with the serpentine spring coupling 8 on the drive base 1 to ensure smooth and stable transmission; install the disc brake 9 on the drive base 1, and connect its input end to one end of the main shaft 3 so that the operation of the drive roller 5 can be quickly stopped when needed; set the speed and output torque of the permanent magnet synchronous variable frequency motor 6 as needed, control the running speed and direction of the drive roller 5, and realize the normal operation of the belt conveyor; regularly check the various components of the permanent magnet motor drive device, keep them clean and lubricated, and promptly discover and deal with possible faults to ensure the stable operation of the equipment.

[0024] It should be noted that, in this document, relational terms such as first and second, etc. are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

[0025] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A permanent magnet motor drive device for a belt conveyor, comprising a drive base (1), characterized in that: A pair of drive device frames (2) are fixedly mounted on the upper wall surface of the drive base (1); a main shaft (3) is rotatably mounted inside the drive device frame (2); a barrel bracket (4) is fixedly mounted on the main shaft (3); a transmission roller (5) is fixedly mounted outside the barrel bracket (4); a drive unit is mounted on the drive base (1); the drive unit comprises a permanent magnet synchronous variable frequency motor (6); a motor base (7) is fixedly mounted on the side wall surface of the drive base (1); the permanent magnet synchronous variable frequency motor (6) is fixedly mounted on the upper wall surface of the motor base (7); a serpentine spring coupling (8) is fixedly mounted on the upper wall surface of the drive base (1); an input end of the serpentine spring coupling (8) is fixedly connected to a driving end of the permanent magnet synchronous variable frequency motor (6); and an output end of the serpentine spring coupling (8) is fixedly connected to one end of the main shaft (3).

2. A permanent magnet motor drive device for a belt conveyor according to claim 1, characterized in that A disc brake (9) is fixedly mounted on the upper wall of the driving base (1), and one end of the main shaft (3) is fixedly connected to the input end of the disc brake (9).

3. A permanent magnet motor drive device for a belt conveyor according to claim 1, characterized in that There are two transmission rollers (5), and the transmission rollers (5) are fixedly mounted on both sides of the driving device frame (2).

4. A permanent magnet motor drive device for a belt conveyor according to claim 1, characterized in that The transmission roller (5) is provided with friction grooves (10) on the outside.

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