CN202172357U - Intelligent protective type disc electromagnetic coupling - Google Patents

Intelligent protective type disc electromagnetic coupling Download PDF

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Publication number
CN202172357U
CN202172357U CN2011203070582U CN201120307058U CN202172357U CN 202172357 U CN202172357 U CN 202172357U CN 2011203070582 U CN2011203070582 U CN 2011203070582U CN 201120307058 U CN201120307058 U CN 201120307058U CN 202172357 U CN202172357 U CN 202172357U
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motor
load
rotary body
disk
power
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CN2011203070582U
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Chinese (zh)
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王兴君
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Abstract

The utility model relates to an intelligent protective type disc electromagnetic coupling which consists of three parts, i.e. a motor rotating body, a load rotating body and a rotating speed control system, wherein a unique double-disc type induction device, a structure with the air gap being fixed and the axial effective size being optimized and an efficient cooling fin are adopted to form a magnetic carrying disk embedded with a permanent magnet. Due to the relative rotation of an induction copper disc and a permanent magnetic disc, a magnetic conductor can cut magnetic lines of force of the permanent magnet to generate magnetic induction force through the fixed air gap, contactless torsion transmission between a motor and a load is realized through the magnetic coupling effect, and the fully-automatic protection to the motor and the intelligent protective type disc electromagnetic coupling is realized by the rotating speed control system when in overload. The intelligent protective type disc electromagnetic coupling is a non-contact type coupling which allows larger error of centration, is easy to install, realizes the soft start and the overload protection of the motor, eliminates harmful vibration, abrasion and fracture, has long service life, reliable operation and high transmission efficiency, does not need to be maintained and avoids the damage caused by the overloading.

Description

Intelligent protection type disc type magnetic coupling shaft coupling
Technical field
The utility model relates to a kind of device of motor coupler, and particularly a kind of intelligent protection type disc type magnetic coupling shaft coupling is particularly useful for connecting of motor and load under frequent motor starting and load variable load are frequent, overload the is abominable operating mode.
Background technology
Shaft coupling is the parts that often use in the mechanical system power transmission course, is widely used in industries such as petrochemical industry, power industry, mining and boats and ships, Aero-Space, steel and iron industry, papermaking.Along with the continuous development of science and technology, the shaft coupling application constantly enlarges, and technology is also in continuous development, and the new product new technology emerges in an endless stream.
Can the type of shaft coupling be more, usually according to the ability that uncompensated relative displacement is arranged, promptly under the condition that relative displacement takes place, keep the function of connection, is divided into positive coupling and flexible coupling.
The advantage that positive coupling has is simple in structure, transmission efficiency is high.But also having can not overload protection, can not bumper and absorbing shock, can't compensate the diaxon relative displacement and the shortcoming of soft start function is provided.
The flexible coupling that extensive use is gone up in industry at present comprises the flexible coupling of inelastic component and the flexible coupling that has elastic component, the former bumper and absorbing shock ability, and the latter's transmission efficiency is then lower.Flexible coupling belongs to the contact shaft coupling, and the little and very difficult assurance of centering alignment error often because the centering installation question causes vibrating and shortening the life-span of seal and bearing, reduces device temperature rising, transmission efficiency.Though the part flexible coupling allows under bigger error of centralization condition, to move, can on motor and bearing axle, produce periodically additional load, do not tackle the problem at its root.Heavy loading machinery equipment must have the ability to work of " soft start and overload protection " in addition, to avoid that equipment is caused very big infringement and easy generation personal injury, reduces the impact to electrical network simultaneously." soft start " not only can alleviate the suffered startup of drive system itself significantly and impact; Prolong the useful life of key components and parts; Can also shorten simultaneously the attack time of motor start-up electric current greatly; Reduce to the thermal shock of motor load and to the influence of electrical network, thus saves energy and the working life that prolongs motor." overload protection " not only can be protected motor and effectively prolong the load equipment life-span, is that main equipment must have.Most of flexible coupling does not have soft start and overload protection function.Though indivedual flexible couplings can provide soft start and overload protection function but require the centering alignment error little, otherwise directly influence the effect of transmission of power even production accident occurs.Existing flexible coupling does not possess simultaneously: the centering alignment error is big, soft start and three functions of overload protection.
In reality, running situation is complicated and changeable, the centering of strict guarantee diaxon in any case, and equipment operation all can produce vibration after a period of time, thereby accelerated wear test, shortens equipment life.So in order to improve the reliability of slewing, eliminate the rigid attachment of shaft coupling between motor shaft and the bearing axle, make that vibration is isolated, is independent of each other between motor and the load; Allow the bigger error of centralization, protection equipment when equipment receives large impact, overload; And soft start function can be provided.It is the inexorable trend of following shaft coupling development.
Summary of the invention
The purpose of the utility model is can not overload protection in order to solve positive coupling, can not bumper and absorbing shock, can't compensate the diaxon relative displacement and the shortcoming of soft start function is provided.Do not possess simultaneously with existing flexible coupling: the centering alignment error is big, the deficiency of soft start and three functions of overload protection; The utility model provides a kind of intelligent protection type disc type magnetic coupling shaft coupling, realizes simultaneously that the centering alignment error is big, soft start and three functions of overload protection.
The utility model solves the technical scheme that its technical problem adopted: a kind of intelligent protection type disc type magnetic coupling shaft coupling; Comprise motor rotary body (I), load rotary body (II) and three parts of revolution speed control system (III); Motor rotary body (I) is made up of left and right induction copper dish assembly; Left side inductive disks assembly comprises left-handed rotating disk (3), left copper dish (4) and fin (13); Right inductive disks assembly comprises dextrorotation rotating disk (5), right copper dish (6) and fin (13); Left and right inductive disks assembly is whole through the double-disc type that standing screw (8) and spacer sleeve (7) connect into; Power adapter sleeve (2) is connected as a single entity with left inductive disks assembly, is connected motor shaft (17), motor axle key bar (18) with power adapter sleeve (2) as power input usefulness through motor shaft expansion set (1), and load rotary body (II) comprises a year disk (9), permanent magnet (10), load adapter sleeve (11) and bearing axle expansion set (12); Carrying disk (9) is connected as a single entity with load adapter sleeve (11); Carry disk (9) and be positioned in the middle of the induction copper dish and air gap is fixed, carry disk (9) and adopt interference fits to be connected as a single entity, load adapter sleeve (11) and bearing axle (19), load axle key bar (20) are connected as a single entity through bearing axle expansion set (12) with permanent magnet (10); Input is used as load power; By bearing axle (19) output torque of motor is inputed to load through the magnetic force coupling, revolution speed control system (III) comprises that signal coils (14), speed probe (15) and signal processor (16), adopts power line to connect speed probe (15) with signal processor (16) is connected as a single entity and export signal for one of motor power by signal processor (16).
The utility model utilizes a kind of innovative energy-saving product of permanent-magnet eddy current Driving technique research and development, adopts unique double-disk induction installation and the fixed-size axial effective dimensions of air gap to optimize structure and the high efficiency and heat radiation sheet, the special disk that carries of inlaying permanent magnet.Utilize induction copper dish and permanent magnetism dish to relatively rotate magnetic conductor cuts permanent magnet with fixing air gap magnetic line of force generation magnetic strength stress; Realize contactless moment of torsion transmission between motor and the load through the magnetic force coupling, when load is transshipped, realize full-automatic protection motor and intelligent protection type disc type magnetic coupling shaft coupling through revolution speed control system.
The beneficial effect of the utility model is that the utility model is contactless shaft coupling, can the power non contact transmission given load and had the effect of protecting motor.This intelligent protection type disc type magnetic coupling shaft coupling has had the advantage of positive coupling and flexible coupling concurrently, is a soft start equipment that machinery connects that do not have.Owing to be, replace motor with the air gap and be connected with entity between the load through the magnetic field transfer torque.Thereby diaxon separated fully, allow the bigger error of centralization, install simply, realized soft starter for motor and overload protection; Eliminated nuisance vibration, wearing and tearing and fracture, long service life, reliable; Non-maintaining, transmission efficiency is high, the harm that has prolonged electrical machinery life and avoided overload to cause.Reduce systematic running cost and prolonged useful life of equipment greatly.Can dwindle capacity motor, eliminate " low load with strong power " phenomenon and meet national " energy-saving and emission-reduction " policy.Be a low-carbon environment-friendly, green energy conservation product.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model outline drawing.
Fig. 3 is the utility model motor rotary body (magnetic conductor) structural representation.
Fig. 4 is the utility model load rotary body (permanent magnet) structural representation.
Fig. 5 is the utility model revolution speed control system figure.
Fig. 6 is the utility model motor rotary body left side inductive disks modular construction sketch map.
Fig. 7 is the right inductive disks modular construction of a utility model motor rotary body sketch map.
Fig. 8 is the left and right inductive disks combining structure of a utility model motor rotary body sketch map.
Fig. 9 is that the utility model carries the DPU disk pack unit structural representation.
Figure 10 is the utility model assembly drawing.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
The utility model concrete structure and technical scheme are following:
A kind of intelligent protection type disc type magnetic coupling shaft coupling; Comprise motor rotary body I, load rotary body II and three parts of revolution speed control system III, (1) motor rotary body I: whole through standing screw 8 and spacer sleeve 7 the double-disc type that left-handed rotating disk 3 and dextrorotation rotating disk 5 connect into by motor shaft expansion set 1, power adapter sleeve 2 and left-handed rotating disk 3, left copper dish 4, dextrorotation rotating disk 5, right copper dish 6 and annex fin 13 thereof; Be that the boundary is divided into left inductive disks assembly and right inductive disks assembly again with disc integral body wherein with spacer sleeve 7.Left side inductive disks assembly connects left-handed rotating disk 3, left copper dish 4 and fin 13 with screw.Right inductive disks assembly connects dextrorotation rotating disk 5, right copper dish 6 and fin 13 with screw.Adopting screw to connect is connected as a single entity power adapter sleeve 2 and left inductive disks assembly.Be connected motor shaft 17, motor axle key bar 18 with power adapter sleeve 2 as power input usefulness through motor shaft expansion set 1; During work; Drive motor rotary body I high speed rotating by motor shaft 17 and carry permanent magnet 10 in the disk 9 at left and right induction copper dish 4,6 generation eddy current with fixing air gap cutting; Eddy current produces induced field, the active force that induced field caused that eddy current produces can be decomposed into axially power and along the power of radial direction, the latter produces moment of torsion.The induced field that eddy current produces is the basis that motor power transmits.
The left and right inductive disks of intelligent protection type disc type magnetic coupling shaft coupling adopts disc type, and is different according to transmitted power, changes the inductive disks diameter.Design the intelligent protection type disc type magnetic coupling shaft coupling of different size.
(2) load rotary body II: form by carrying disk 9, permanent magnet 10 and load adapter sleeve 11, bearing axle expansion set 12, load rotary body II adopts the screw connection will carry disk 9 and is connected as a single entity with load adapter sleeve 11.Adopting interference fits will carry disk 9 is connected as a single entity with permanent magnet 10.Adopt bearing axle expansion set 12 to connect load adapter sleeve 11 and bearing axle 19, load axle key bar 20 are connected as a single entity, input is used as load power.During work, load rotary body II carries the interaction that permanent magnetic field in the disk 9 receives the induced field in the left and right induction copper of the motor rotary body I dish 4,6, by bearing axle 19 output torque of motor is inputed to load through the magnetic force coupling.Realize contactless moment of torsion transmission between motor and the load.Permanent magnetic field is the basis of transmitting the motor outputting power and inputing to load.
Intelligent protection type disc type magnetic coupling shaft coupling carries disk and adopts disc type, and is different according to transmitted power, changes the permanent magnet 10 that carries disk 9 diameters and inlay different numbers.Realize the moment of torsion transmission of the intelligent protection type disc type magnetic coupling shaft coupling of different size.
(3) revolution speed control system III: be made up of signal generation dish 14, speed probe 15 and signal processor 16, the employing power line connects speed probe 15 and signal processor 16 is connected as a single entity and give an output of motor power control signal by signal processor 16.According to different environments for use, adopt the various signals generating means.Its operation principle is to detect load speed, when load speed is reduced to 0r/min, gives control signal of motor power through signal processor 16, cuts off motor power immediately, makes the motor stall.Stop intelligent protection type disc type magnetic coupling shaft coupling when the high speed slippage, bulk temperature raises, even melts left and right sides copper dish.Be implemented in the full-automatic protection of load when overload through revolution speed control system III to motor and intelligent protection type disc type magnetic coupling shaft coupling.
Specify structure composition and function, the principle of the utility model below in conjunction with accompanying drawing.
1. in Fig. 1, demonstration be the overall structure of the utility model:
The utility model is made up of motor rotary body I, load rotary body II, three parts of revolution speed control system III.Be characterized in:
Motor rotary body I connects motor shaft 17, motor axle key bar 18 introducing motor powers by motor shaft expansion set 1, and load rotary body II connects bearing axles 19, load axle key bar 20 output torques by bearing axle expansion set 12; The signal generation dish 14 of revolution speed control system III is installed on the bearing axle 19, is used for detecting in real time load speed.
Motor rotary body I: drive the permanent magnet 10 that motor rotary body I high speed rotating carry in the disk 9 with fixing air gap cutting by motor shaft 17 and produce eddy current at left and right induction copper dish 4,6, the induced field of eddy current generation simultaneously.
Load rotary body II: carry the interaction that permanent magnetic field in the disk 9 receives the induced field in the left and right induction copper of the motor rotary body I dish 4,6 among the load rotary body II, by bearing axle 19 output torque of motor is inputed to load through the magnetic force coupling.
Revolution speed control system III: when load is transshipped, cut off motor power, make the motor stall.Realization is to the full-automatic protection of motor and intelligent protection type disc type magnetic coupling shaft coupling.
Drive motor rotary body I and its left and right induction copper dish 4,6 of motor synchronous high speed rotating carry the permanent magnet 10 in the disk 9 with fixing air gap broaching load rotary body II magnetic line of force generation eddy current by motor shaft 17 during work; Eddy current produces induced field and permanent magnetic field interaction simultaneously; Drive load rotary body II rotation inputs to load by bearing axle 19 with the output torque of motor through the magnetic force coupling.Realize contactless moment of torsion transmission between motor and the load.When load is transshipped, cut off motor power immediately for control signal of motor power, make the motor stall through speed probe among the revolution speed control system III 15 and signal processor 16 computings.Stop intelligent protection type disc type magnetic coupling shaft coupling when the high speed slippage, bulk temperature raises.Realization is to the full-automatic protection of motor and intelligent protection type disc type magnetic coupling shaft coupling.
2. in Fig. 2, demonstration be that the structure of the utility model is formed:
Motor rotary body I is made up of left and right induction copper dish assembly, links together through standing screw 8, spacer sleeve 7, adopts screw to connect power adapter sleeve 2 and left side induction copper dish assembly are connected as a single entity.Left and right induction copper dish assembly is positioned at year disk both sides and air gap is even, fix composition motor power output block.
Load rotary body II forms by carrying disk 9, permanent magnet 10 and load adapter sleeve 11, bearing axle expansion set 12, forms the load power input part.Adopting the screw connection will carry disk 9 is connected as a single entity with load adapter sleeve 11.Adopting interference fits will carry disk 9 is connected as a single entity with permanent magnet 10.Carrying disk 9 is positioned in the middle of the induction copper dish and air gap is fixed.
Revolution speed control system III is made up of signal generation dish 14, speed probe 15 and signal processor 16, adopts the power line connection that speed probe 15 and signal processor 16 are linked as into one and by signal processor 16 and gives an output of motor power signal., load realizes full-automatic protection when transshipping to motor and intelligent protection type disc type magnetic coupling shaft coupling through revolution speed control system III.
3. in Fig. 3, demonstration be the utility model motor rotary body (magnetic conductor) structure installation diagram:
The double-disc type integral body that motor rotary body I is connected into left-handed rotating disk 3 and dextrorotation rotating disk 5 through standing screw 8, spacer sleeve 7 by motor shaft expansion set 1, power adapter sleeve 2 and left-handed rotating disk 3, left copper dish 4, dextrorotation rotating disk 5, right copper dish 6 and annex heat radiation plain film thereof; Being connected motor shaft 17, motor axle key bar 18 with power adapter sleeve 2 as power input usefulness through motor shaft expansion set 1, is that the boundary is divided into left side induction copper dish assembly and right induction copper dish assembly again with double-disc type integral body with spacer sleeve 7 wherein.Left side induction copper dish assembly is made up of left-handed rotating disk 3, left copper dish 4 and fin 13.Right induction copper dish assembly is made up of dextrorotation rotating disk 5, right copper dish 6 and fin 13.Motor power is converted into magnetic field force and exports to the load rotary body.
Wherein motor shaft expansion set 1 is connected as a single entity motor shaft 17 for connecting motor shaft usefulness among Fig. 3 with motor rotary body I.
4. in Fig. 4, demonstration be the utility model load rotary body (permanent magnet) structure installation diagram:
The load rotary body is formed by carrying a disk 9, permanent magnet 10 and load adapter sleeve 11, bearing axle expansion set 12, adopts screw to connect will to carry disk 9 and load adapter sleeve 11 to be linked as and is one.Adopting interference fits will carry disk 9 is connected as a single entity with permanent magnet 10.Magnetic field force is converted into moment of torsion and inputs to bearing axle.
Wherein bearing axle expansion set 12 is connected as a single entity bearing axle 19 for connecting bearing axle usefulness among Fig. 4 with load rotary body II.
5. in Fig. 5, demonstration be the utility model revolution speed control system III layout:
Adopt the power line connection that speed probe 15 and signal processor 16 are linked as into one and by signal processor 16 and give an output of motor power control signal.If load overload (load speed is 0) also is load rotary body II (permanent magnet) stall; Because slippage principle; Motor rotary body I still keeps the constant broaching load rotary body of motor speed II (permanent magnet), and the speed probe 15 among the revolution speed control system III can be gathered a process signal and pass to signal processor 16 on signal generation dish 14 at this moment, handles through the signal processor single-chip microcomputer; Give control signal of motor power then, cutting off the electricity supply makes the motor stall.Stop intelligent protection type disc type magnetic coupling shaft coupling when the high speed slippage, disk body heats up too high and the full-automatic protection of realization to motor and intelligent protection type disc type magnetic coupling shaft coupling that have a negative impact.
Wherein the signal generation dish 14 among Fig. 5 is installed on the bearing axle 19, is used for detecting in real time load speed.
6. in Fig. 6, demonstration be the utility model motor rotary body left side inductive disks assembly installation diagram:
Left side inductive disks assembly connects left-handed rotating disk 3, left copper dish 4 and fin 13 with screw.Induction produces eddy current on left copper dish, and eddy current produces induced field, the active force that induced field caused that eddy current produces can be decomposed into axially power and along the power of radial direction, the latter produces left inductive disks moment of torsion.
7. in Fig. 7, demonstration be the right inductive disks assembly of the utility model motor rotary body installation diagram:
Right inductive disks assembly connects dextrorotation rotating disk 5, right copper dish 6 and fin 13 with screw.Induction produces eddy current on right copper dish, and eddy current produces induced field, the active force that induced field caused that eddy current produces can be decomposed into axially power and along the power of radial direction, the latter produces right inductive disks moment of torsion.
8. in Fig. 8, demonstration be the left and right inductive disks component of the utility model motor rotary body installation diagram:
Through standing screw 8, spacer sleeve 7 left inductive disks assembly and right inductive disks assembly are linked together, and fixing axial dimension, guarantee and carry a disk fixedly air gap is arranged.It is the basis of realizing controllable torque output.Be key size.
9. in Fig. 9, demonstration be that the utility model carries the DPU disk pack unit installation diagram:
Carry and inlay permanent magnet and permanent magnet rule distribution in certain sequence in the disk.Permanent magnet is an interference fits with carrying a disk, is coated with gluing at permanent magnet with carrying on the disk composition surface during installation, and stamps a kind dotting punch on the rib outside, in case permanent magnet is deviate from when carrying the disk high speed rotating.Carry disk axis to fixed size, guaranteeing has fixedly air gap with left and right induction copper dish.It is the basis of realizing controllable torque output.Be key size.
10. in Figure 10, demonstration be the utility model assembly drawing:
11. the whole intelligent protection type disc type magnetic coupling shaft coupling course of work:
Intelligent protection type disc type magnetic coupling shaft coupling is contactless shaft coupling, replaces motor with the air gap and is connected with entity between the load, thereby diaxon is separated fully, allows the bigger error of centralization.During electric motor starting, motor rotary body I and motor synchronous high speed rotating, because motor rotary body I and load rotary body II are contactless shaft coupling, load rotary body II can not rotate immediately.In the motor rotation process; The left and right induction copper dish 4,6 (magnetic conductor) of motor rotary body I produces relative motion with the disk 9 (permanent magnet) that carries of load rotary body II; Alternating magnetic field produces eddy current through air gap on left and right induction copper dish, eddy current produces induced field and the permanent magnetic field interaction of carrying disk 9 simultaneously, because the load torque effect; Passive load rotary body II still is in static; After active motor rotary body I turns over an angle, the induced field in its induction copper dish and from there being certain slip angle between the permanent magnetism of dynamic load rotary body II, according to the principle that the magnetic pole same sex is repelled each other, there is a natural attraction between the sexes; Thereby make that static poised state is broken; Initiatively the size of the angle that turned over of motor rotary body I depends on the size of load torque, and can receive the effect of electromagnetic torque from dynamic load rotary body II this moment, electromagnetic torque along with active motor rotary body I with increase from the increase at the slip angle of dynamic load rotary body II; When electromagnetic torque surpasses load torque, begin to rotate from dynamic load rotary body II.Whole process starting current is approximately 2 times of running current, has realized electric machine soft starting, reduces the starting power consumption of motor and avoids causing bigger voltge surge.Be particularly useful for connecting of motor and load under the frequent operating mode of frequent motor starting and load variable load.
After this, under the driving of motor, initiatively motor rotary body I will with keep certain slip angle synchronous operation from dynamic load rotary body II.Thereby drive load rotary body II is along the direction rotation identical with motor rotary body I, and the result produces torque on the load-side output shaft, thereby drive load rotates.Realize the non contact transmission of power.Realize the moment of torsion transmission between motor and the load.Intelligent protection type disc type magnetic coupling shaft coupling is regulated the slip angle automatically when the load variable load, guarantees that the moment of torsion transmission is smooth.
The maximum load torque that intelligent protection type disc type magnetic coupling shaft coupling can bear when load torque values surpasses this peak value size, will produce the step-out phenomenon by the peak torque decision of static torque characteristic.Because the slippage principle, stall does not appear in motor.Realized overload protection to motor.Load rotary body II stall just (load speed is 0); But induction copper dish 4,6 still can keep motor speed constant with the fixing permanent magnet 10 of air gap broaching load rotary body II about among the motor rotary body I; Speed probe 15 among the revolution speed control system III can be gathered a process signal and pass to signal processor 16 on signal generation dish 14 at this moment; Handle through the signal processor single-chip microcomputer, give control signal of motor power then, cutting off the electricity supply makes the motor stall.Stop intelligent protection type disc type magnetic coupling shaft coupling when the high speed slippage, integral body heats up too high and has a negative impact.After the load overload is eliminated, reset the moment of torsion transmission that motor is realized next process.For remote motor control provides assurance.
Intelligent protection type disc type magnetic coupling shaft coupling package unit has been realized the automatic completion of soft start and the action of intelligent overload protection.

Claims (1)

1. intelligent protection type disc type magnetic coupling shaft coupling; Comprise motor rotary body (I), load rotary body (II) and three parts of revolution speed control system (III); It is characterized in that: motor rotary body (I) is made up of left and right induction copper dish assembly; Left side inductive disks assembly comprises left-handed rotating disk (3), left copper dish (4) and fin (13); Right inductive disks assembly comprises dextrorotation rotating disk (5), right copper dish (6) and fin (13); Left and right inductive disks assembly is whole through the double-disc type that standing screw (8) and spacer sleeve (7) connect into; Power adapter sleeve (2) is connected as a single entity with left inductive disks assembly, is connected motor shaft (17), motor axle key bar (18) with power adapter sleeve (2) as power input usefulness through motor shaft expansion set (1), and load rotary body (II) comprises a year disk (9), permanent magnet (10), load adapter sleeve (11) and bearing axle expansion set (12); Carrying disk (9) is connected as a single entity with load adapter sleeve (11); Carry disk (9) and be positioned in the middle of the induction copper dish and air gap is fixed, carry disk (9) and adopt interference fits to be connected as a single entity, load adapter sleeve (11) and bearing axle (19), load axle key bar (20) are connected as a single entity through bearing axle expansion set (12) with permanent magnet (10); Input is used as load power; By bearing axle (19) output torque of motor is inputed to load through the magnetic force coupling, revolution speed control system (III) comprises that signal coils (14), speed probe (15) and signal processor (16), adopts power line to connect speed probe (15) with signal processor (16) is connected as a single entity and export signal for one of motor power by signal processor (16).
CN2011203070582U 2011-08-22 2011-08-22 Intelligent protective type disc electromagnetic coupling Expired - Fee Related CN202172357U (en)

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Application Number Priority Date Filing Date Title
CN2011203070582U CN202172357U (en) 2011-08-22 2011-08-22 Intelligent protective type disc electromagnetic coupling

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Application Number Priority Date Filing Date Title
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102882349A (en) * 2012-09-29 2013-01-16 林彬 Magnetic induction type magnetic transmission device
CN103441644A (en) * 2013-08-06 2013-12-11 大连应达实业有限公司 One-way fixed-gap moment-adjustable permanent magnetic coupler
CN103904861A (en) * 2014-03-14 2014-07-02 辽阳泰科雷诺科技有限公司 Double-tray-type permanent magnet eddy-current coupler with fixed end surface
CN103915976A (en) * 2014-04-11 2014-07-09 青岛斯普瑞能源科技有限公司 Disc-shaped rotary-plate permanent magnetic coupler
CN104009611A (en) * 2014-06-13 2014-08-27 郑州大学 Thread pair speed-adjustable permanent magnet coupler
CN105720789A (en) * 2016-04-26 2016-06-29 贾建伟 Permanent magnet coupling
CN106593960A (en) * 2015-10-14 2017-04-26 华电宁夏灵武发电有限公司 Bulk treatment method for vibration of air cooling island
CN107727286A (en) * 2017-11-24 2018-02-23 苏州汉腾自动化设备有限公司 Motor torque measurement apparatus

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102882349A (en) * 2012-09-29 2013-01-16 林彬 Magnetic induction type magnetic transmission device
CN103441644A (en) * 2013-08-06 2013-12-11 大连应达实业有限公司 One-way fixed-gap moment-adjustable permanent magnetic coupler
CN103904861A (en) * 2014-03-14 2014-07-02 辽阳泰科雷诺科技有限公司 Double-tray-type permanent magnet eddy-current coupler with fixed end surface
CN103904861B (en) * 2014-03-14 2016-04-13 辽阳泰科雷诺科技有限公司 Two tray type permanent magnet eddy current couplings that a kind of end face is fixing
CN103915976A (en) * 2014-04-11 2014-07-09 青岛斯普瑞能源科技有限公司 Disc-shaped rotary-plate permanent magnetic coupler
CN104009611A (en) * 2014-06-13 2014-08-27 郑州大学 Thread pair speed-adjustable permanent magnet coupler
CN106593960A (en) * 2015-10-14 2017-04-26 华电宁夏灵武发电有限公司 Bulk treatment method for vibration of air cooling island
CN105720789A (en) * 2016-04-26 2016-06-29 贾建伟 Permanent magnet coupling
CN107727286A (en) * 2017-11-24 2018-02-23 苏州汉腾自动化设备有限公司 Motor torque measurement apparatus

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