CN107171607A - The power balance regulating method and system of a kind of ribbon conveyer magnetic drives - Google Patents
The power balance regulating method and system of a kind of ribbon conveyer magnetic drives Download PDFInfo
- Publication number
- CN107171607A CN107171607A CN201710578567.0A CN201710578567A CN107171607A CN 107171607 A CN107171607 A CN 107171607A CN 201710578567 A CN201710578567 A CN 201710578567A CN 107171607 A CN107171607 A CN 107171607A
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- power
- magnetic coupling
- magnetic
- motor
- copper dish
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P15/00—Arrangements for controlling dynamo-electric brakes or clutches
Abstract
The application is related to the power balance regulating method and system of a kind of ribbon conveyer magnetic drives, and the regulation of adjusting method mainly by magnetic coupling to transmission moment of torsion reaches the balance adjustment to each power of motor.Copper dish and permanent magnetism body disc in magnetic coupling produce relative motion when motor drives copper dish motion, motion and power transmission are carried out using the collective effect in magnetic field of permanent magnet and magnetic induction magnetic field, it is possible to the transmission moment of torsion of magnetic coupling is controlled by the adjustment of air gap between principal and subordinate's Moving plate.Change copper dish and the distance of permanent magnetism body disc in magnetic coupling, driving torque can also change therewith, and then adjust the power of output machinery, reach the bearing power of each motor and carry state, that is, reach the power-balance of system.
Description
Technical field
This patent is related to a kind of technical field of the power-balance regulation of ribbon conveyer magnetic drives.
Background technology
In recent years, with the continuous improvement of coal production comprehensive mining machinery level, long range, high belt speed, high-power belt
Conveyer is used widely in mine, in these ribbon conveyers, often using many soft starting devices to avoid separate unit
The problem of power needed for device causes many very much greatly.The ribbon conveyer driven by multiple start units, although start and transport
Turn process control, but due to the error of manufacture and the installation of the difference, equipment of the external characteristics of motor, conveying in each start unit
The influence of the factors such as difference and load change with elastic extension, often results in the unbalance of motor load power, so as to draw
Play the unbalanced power problem of ribbon conveyer.This is the major issue for having in a practical application solve, and otherwise can be made
Conveyer service life is greatly reduced, and even causes whole conveyer system to scrap when serious.
A kind of new speed-regulating type magnetic coupler is an application of magnetic effect of electric current, and plain conductor is wound on iron block and passes through electricity
During stream, magnetic field can be produced around wire, the distance of disk is different, and the intensity in magnetic field is also different.Copper dish in magnetic coupling
Relative motion is produced when motor drives copper dish motion with permanent magnetism body disc, magnetic field of permanent magnet and the common work in magnetic induction magnetic field is utilized
Transmitted with motion and power is carried out, it is possible to which the transmission for controlling magnetic coupling by the adjustment of air gap between principal and subordinate's Moving plate is turned round
Square.Change copper dish and the distance of permanent magnetism body disc in magnetic coupling, driving torque can also change therewith, and then adjust output machinery
Power, reach the bearing power of each motor and carry state, that is, reach the power-balance of system.
The content of the invention
The present invention proposes the power balance regulating method and system of a kind of ribbon conveyer magnetic drives, and its magnetic drives is
The regulation of output torque is realized by changing the distance of disk and permanent magnetism body disc in magnetic coupling, so as to reach power-balance
The purpose of regulation.Its is simple in construction, easy to operate, and financial cost is low, and regulation efficiency high, precision are high.Using the regulation of the present invention
Method, can effectively carry out automatic regulation in real time, accomplish that each driver element reasonably distributes driving power, realize each unit work(
Rate is balanced, it is to avoid drum of damage, motor burn out constant power imbalance problem.
In order to realize above-mentioned task, the present invention is adopted the following technical scheme that：A kind of new speed governing soft starting device and use
Method, including drive system, control system, magnetic coupling, four parts of output system；
Described drive system provides power by motor, is passed to magnetic coupling；
Described control system includes PLC control softwares, YE and air gap adjusting device, PLC softwares control band
Current detecting starter, starts copper dish and permanent magnet in motor, YE and air gap adjusting device control magnetic coupling
The distance of disk, distance changes output torque and changed, to reach the change of power output；
Described magnetic coupling is a kind of asynchronous system actuating unit, is made up of copper dish and permanent magnetism body disc, input
The copper dish of motor and magnetic coupling are linked together by diaphragm coupling, output end passes through permanent magnetism body disc and reductor
It is connected, copper dish are fixed on copper dish yoke, permanent magnetism body disc is fixed on permanent magnetism yoke.Adjust magnetic coupling copper dish with forever
Magnet disk distance, changes the output torque of magnetic coupling, reaches the control of the moment of torsion and power to output machinery；
Described output system includes reductor, driving roller and conveyer belt, and magnetic coupling extremely slows down torque drive
Machine, through overdriving, roller further passes to ribbon conveyer, due to " Elastic Sliding " characteristic of conveyer belt, makes ribbon conveyer
Moment of torsion change with the change of the driving torque of magnetic coupling, reach the tune of the moment of torsion and power to ribbon conveyer
Section.
The present invention realizes the power-balance regulation of belt conveyor system, reduces the machine mill that power attenuation is brought
Damage, substantially increase the service life of machine, its low cost reduces economic budget, in addition its simple structure and high precision
Make power adjusting easier.
Copper dish and permanent magnetism body disc in magnetic coupling produce relative motion when motor drives copper dish motion, utilize permanent magnetism
The collective effect in body magnetic field and magnetic induction magnetic field carries out motion and power transmission, it is possible to pass through the tune of air gap between principal and subordinate's Moving plate
The transmission moment of torsion of whole control magnetic coupling.Change copper dish and the distance of permanent magnetism body disc in magnetic coupling, driving torque also can
Change therewith, and then adjust the power of output machinery, reach the bearing power of each motor and carry state, that is, reach the work(of system
Rate is balanced.
Brief description of the drawings
Fig. 1 is ribbon conveyer magnetic drives powered balance control system figure；
Fig. 2 is magnetic coupling power-balance regulation flow process figure；
Fig. 3 is magnetic coupling control system block diagram；
Wherein：1. motor；2. YE；3. air gap adjusting device；4. magnetic coupling；5. reductor；6.
Axle device；7. drive roller；8. conveyer belt.
Embodiment
The power balance regulating method and system of a kind of ribbon conveyer magnetic drives, it is soft that system includes the control of PLC computers
Part, belt current detection starter, motor, speed-regulating type magnetic coupler, YE, power supply relay case, reductor, driving
Roller, conveyer belt.
Described PLC softwares control belt current detection starter and power supply relay case, belt current detection starter start electricity
Machine 1, drives the startup of magnetic coupling 4.The copper dish of motor and magnetic coupling are linked together by diaphragm coupling, regulation electricity
Dynamic actuator 2 and air gap device 3 adjust air gap to maximum, make motor 1 drive the copper dish of magnetic coupling 4 to rotate together, this
When output torque be 0, the load that is caused during startup to each system is minimum, is easy to adjust the balance of power；
Described magnetic coupling 4 is placed between motor 1 and reductor 5, copper dish and permanent magnetism body disc in magnetic coupling 4
Relative motion is produced when motor drives copper dish motion, is moved using the collective effect of magnetic field of permanent magnet and magnetic induction magnetic field
With power transmission, it is possible to control the transmission moment of torsion of magnetic coupling by the adjustment of air gap between principal and subordinate's Moving plate.Change magnetic force
Copper dish and the distance of permanent magnetism body disc in coupler, driving torque can also change therewith, and then adjust the power of output machinery, make each
The bearing power of motor, which reaches, carries state, that is, reaches the power-balance of system.
Input mechanical output P1=T1ω and output mechanical power P2=T2When ω is different, permanent magnetism in regulation magnetic coupling 4
The distance of body disc, so as to change driving torque, by " Elastic Sliding " characteristic of conveyer belt 8, output mechanical torque T2Also can be therewith
Change, when rotating speed n is constant, ω is constant, then power output P2Can be with T2Change and change, constantly regulate T2Make P1=P2, just
It can reach the purpose of regulation power-balance；
Described magnetic coupling 4 further transmits torque drive to reductor 5 by shaft coupling 6 and driving roller 7
To conveyer belt 8, due to " Elastic Sliding " characteristic of conveyer belt 8, make the moment of torsion of ribbon conveyer with the transmission of magnetic coupling
The change of moment of torsion and change, reach the regulation to the moment of torsion and power of conveyer belt 8.Change reductor 5, driving roller 7 and conveying
It is allowed to keep balancing with the input power of motor 1 with 8 power output, reaches the bearing power of each motor and carry state, i.e.,
It can reach the power-balance regulation of whole system.
Claims (2)
1. the power balance regulating method and system of a kind of ribbon conveyer magnetic drives, system include drive system, control system
System, magnetic coupling, four parts of output system, it is characterised in that：
Described drive system provides power by motor, is passed to magnetic coupling；Described control system is regulation magnetic force
Working clearance of coupler, and then to change the output torque of magnetic coupling, reach to ribbon conveyer moment of torsion and power
Control；Described magnetic coupling is a kind of asynchronous system actuating unit, input by diaphragm coupling by motor with
The copper dish of magnetic coupling are linked together, and output end is connected by permanent magnetism body disc with reductor, and copper dish are fixed on copper dish yoke
On iron, permanent magnetism body disc is fixed on permanent magnetism yoke；Described output system controls reductor by speed-regulating type magnetic coupler, and then
Regulation driving roller and conveyer belt.
2. a kind of application method of transmission system as claimed in claim 1, it is characterised in that step is as follows：
Control belt current to detect starter by PLC and its control system, start motor (1), motor (1) and magnetic coupling
(4) copper dish are linked together by diaphragm coupling, and regulation YE (2) and air gap device (3) adjust air gap to most
Greatly, motor (1) is made to drive the copper dish of magnetic coupling (4) to rotate together, now output torque is 0, is made during startup to each system
Into load it is minimum, be easy to adjust the balance of power；
Size of gaps is adjusted by YE (2) and air gap adjusting device (3), change between copper dish and permanent magnetism body disc away from
From so as to change the torque of magnetic coupling (4), due to distinctive " Elastic Sliding " characteristic of conveyer belt (8), magnetic couple
The moment of torsion of ribbon conveyer can also change when the moment of torsion of device (4) changes, it can be seen from formula P=T ω, export the angular speed of machinery,
That is the timing of rotating speed one, the size of power can be changed by changing the size of torque T, when input mechanical output and the power of output machinery
When different, it is that the distance between copper dish and permanent magnetism body disc can carry out the regulation of power to change moment of torsion；
The output speed of magnetic coupling (4) reduces rotating speed by reductor (5), shaft coupling (6), the connection for driving roller (7)
Driving conveying belt (8) starts；
When many electric motor startings, by adjusting air gap, change the distance between copper dish and permanent magnetism body disc, driving torque also can be therewith
Change, and then adjust the power of output machinery, reach the bearing power of each motor and carry state, that is, reach that the power of system is put down
Weighing apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710578567.0A CN107171607A (en) | 2017-07-14 | 2017-07-14 | The power balance regulating method and system of a kind of ribbon conveyer magnetic drives |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710578567.0A CN107171607A (en) | 2017-07-14 | 2017-07-14 | The power balance regulating method and system of a kind of ribbon conveyer magnetic drives |
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| Publication Number | Publication Date |
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| CN107171607A true CN107171607A (en) | 2017-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710578567.0A Pending CN107171607A (en) | 2017-07-14 | 2017-07-14 | The power balance regulating method and system of a kind of ribbon conveyer magnetic drives |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110188418A (en) * | 2019-05-14 | 2019-08-30 | 大连理工大学 | A kind of permanent-magnet coupler transmitting torque calculation method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102983674A (en) * | 2012-11-05 | 2013-03-20 | 煤炭科学研究总院沈阳研究院 | Magnetic coupling gearbox |
| CN103420095A (en) * | 2013-07-12 | 2013-12-04 | 河南理工大学 | Multi-motor power balancing system and method for variable-speed-device-driven belt conveyor |
| CN106395299A (en) * | 2016-11-01 | 2017-02-15 | 安徽理工大学 | Novel speed regulating soft boot device and utilization method |
-
2017
- 2017-07-14 CN CN201710578567.0A patent/CN107171607A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102983674A (en) * | 2012-11-05 | 2013-03-20 | 煤炭科学研究总院沈阳研究院 | Magnetic coupling gearbox |
| CN103420095A (en) * | 2013-07-12 | 2013-12-04 | 河南理工大学 | Multi-motor power balancing system and method for variable-speed-device-driven belt conveyor |
| CN106395299A (en) * | 2016-11-01 | 2017-02-15 | 安徽理工大学 | Novel speed regulating soft boot device and utilization method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110188418A (en) * | 2019-05-14 | 2019-08-30 | 大连理工大学 | A kind of permanent-magnet coupler transmitting torque calculation method |
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Application publication date: 20170915 |