CN202785190U - Magneto-rheological elevator traction transmission device - Google Patents
Magneto-rheological elevator traction transmission device Download PDFInfo
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- CN202785190U CN202785190U CN 201220333037 CN201220333037U CN202785190U CN 202785190 U CN202785190 U CN 202785190U CN 201220333037 CN201220333037 CN 201220333037 CN 201220333037 U CN201220333037 U CN 201220333037U CN 202785190 U CN202785190 U CN 202785190U
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- magnetorheological
- driving device
- rotor
- elevator
- driving
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Abstract
The utility model relates to a magneto-rheological elevator traction transmission device which comprises a support seat, an electromagnetism speed-adjusting motor, couplings, a magneto-rheological transmission device which is arranged on the support seat, a reducer, a traction wheel, steel wire ropes, a car and a counterweight. The magneto-rheological elevator traction transmission device is characterized in that the electromagnetism speed-adjusting motor is connected with the magneto-rheological transmission device through the couplings in a transmitted mode. The magneto-rheological transmission device is connected with the counterweight through the reducer, the traction wheel, the steel wire ropes and the car in a transmitted mode. Magnetorheological fluid can quickly exchange between solid state and liquid state under the effect of magnetic field. Shear yield stress can be controlled and adjusted by changes of the magnetic field. The magneto-rheological elevator traction transmission device can meet the demand for saving energy, environmental protection, working condition, environment, safety and comfort.
Description
Technical field
A kind of magnetorheological elevator dragging and driving device of the utility model is applied to elevator traction.
Background technology
Magnetic flow liquid (MRF) is that a kind of a kind of novel intelligent material jumpy can occur rheological behavior under the magnetic fields adding.Under magnetic fields, magnetic flow liquid can be become rapidly solid-state in several milliseconds by fluid state, in case remove fully in magnetic field, can return to fluid flow state again, so it has fabulous controllability, invertibility, response time is short and energy consumption is low characteristic.Magnetic flow liquid transmission device based on this characteristics design has fast, simple in structure, the many advantages such as energy consumption is low, easy control of response, is with a wide range of applications at engineering field.
Magnetorheological transmission mainly is to rely on magnetic flow liquid as driving medium, by changing externally-applied magnetic field intensity, the viscosity and the yield stress that cause magnetic flow liquid change, thereby realize the stepless variation of transmitting torque and rotating speed, as magnetorheological driving device driven rotor is fixed, then device becomes magnetic rheological brake.The elevator traction driving device requires to realize the transmission of torque and produces the failure-free lock torque, is the magneto-rheologic liquid brake that research and design can satisfy transmission of torque and lock torque requirement for magnetorheological elevator dragging and driving device research essence therefore.Magnetic rheological brake is the rheological behavior New Brake that characteristics jumpy and machine design method combine and develop with the variation of externally-applied magnetic field of utilizing magnetic flow liquid, that the drg that designs based on magnetorheological characteristic has is simple in structure, be swift in response, control the advantages such as convenient, is a kind of very potential New Brake.
Elevator is the indispensable transport facility of skyscraper.Along with architectural scale is increasing, the aspects such as the safe reliability of elevator, the traveling comfort of taking, energy consumption, noise more and more are subjected to social concerns.Nowadays, many kinds of intellectuality, environmental protection and product will be the developing direction of elevator.The core of elevator is its traction-driven system, the elevator traction drive system plays control action to starting acceleration, stable speed operation and the braking deceleration of elevator, and its performance directly affects the indexs such as starting, braking, acceleration-deceleration, langding accuracy and travelling comfort of elevator.Drg is the important safety device of elevator traction driving system, it safe, reliably be one of key factor of guaranteeing elevator safety operation.Though existing elevator electromagnetic brake have compact conformation, easy for installation, electromagnetic push large, be active in one's movements, and brakes the advantages such as reliable, energy consumption is large, noise is high, vibratory impulse is greatly the crucial difficult problem that emphasis will solve.On the other hand, the performance of elevator for the occupant, the performance such as that requirement can have is safe, comfortable, speed is controlled, vibration is little, langding accuracy is high; For applying unit, also requirement can have that cost is low, efficient is high, easy to maintenance, the characteristics such as the volume exclusion volume is little.For this reason, a quality award from the ministry matter elevator device need to satisfy the performance requriements of this two aspect simultaneously, and this just proposes new challenge to elevator driving device performance and master mode thereof.Magnetic converting technique appear as the approach that provides new that addresses this problem.Since magnetic flow liquid can under the effect in magnetic field between the solid, liquid binary states rapid conversion, and the size of surrender shearing stress can and be regulated according to the variation in magnetic field control.The drg of using the magnetic converting technique design control effectively to elevator, just changes into by the adjusting to the magnetic flow liquid shearing stress, thereby realizes output torque and the output speed purpose controlled with electromagnetic field.Development is based on drg and the rotating speed infinitely variable elevator traction drive system of magnetic converting technique, satisfies simultaneously the developing direction that energy-saving and environmental protection, operating mode, environment, safety, traveling comfort requirement become the elevator drive technology.Therefore carry out the research of magnetic converting technique and the exploitation of related device has extensive and deep meaning at elevator traction transmission engineering field.
Summary of the invention
The purpose of this utility model is to provide a kind of magnetorheological elevator dragging and driving device, help to solve present elevator ride person require for starting, braking, acceleration-deceleration, langding accuracy and the travelling comfort of elevator higher, and the problem such as energy consumption is large, noise is high, vibratory impulse is large.
Technical characterictic of the present utility model is:
A kind of magnetorheological elevator dragging and driving device, comprise bearing, electromagnetic adjustable speed motor, coupler, be located at the magnetorheological driving device on the bearing, retarder, traction sheave, steel rope, car and counterweight, it is characterized in that: described electromagnetic adjustable speed motor is in transmission connection through coupler and magnetorheological driving device, described magnetorheological driving device is again through retarder, traction sheave, steel rope and car and counterweight are in transmission connection, described magnetorheological driving device comprises a left side, right end cap and run through the imput shaft of right end cap, the driven shaft that runs through left end cap, the left part of described imput shaft is fixed with driving rotor, the right part of described driven shaft is fixed with the driven rotor that is positioned at the driving rotor running, be provided with the working clearance between described driving rotor and the driven rotor, be provided with magnetic flow liquid in the described working clearance, the radially perimembranous of described driving rotor is provided with yoke, is provided with to drive the excitation coil of magnetic flow liquid in the described yoke.
The beneficial effects of the utility model are: magnetic flow liquid of the present utility model can under the effect in magnetic field between the solid, liquid binary states rapid conversion, and the size of surrender shearing stress can according to variation control and the adjusting in magnetic field, can satisfy energy-saving and environmental protection, operating mode, environment, safety, traveling comfort requirement.
Description of drawings
Fig. 1 is the magnetorheological elevator dragging and driving device of the utility model embodiment general arrangement.
Fig. 2 is the magnetorheological transmission structures scheme drawing of the utility model embodiment.
Wherein: among Fig. 1, electromagnetic adjustable speed motor 1, coupler 2, sensor 3, magnetorheological driving device 4, retarder 5, traction sheave 6, steel rope 7, car and counterweight 8, magnetic field intensity measuring instrument 9, bearing 10, knotmeter 11, torque measurer 12;
Among Fig. 2, imput shaft 13, driven shaft 14, right end cap 15, left end cap 16, driving rotor 17, driven rotor 18, magnetic flow liquid 19, yoke 20, excitation coil 21, magnetism-isolating loop 22, bearing 23, O RunddichtringO 24, rubber oil sea 25, circular nut 26.
The specific embodiment
For above-mentioned feature and advantage of the present utility model can be become apparent, embodiment cited below particularly, and cooperation accompanying drawing are described in detail below.
With reference to figure 1 and Fig. 2, the utility model relates to a kind of magnetorheological elevator dragging and driving device, comprise bearing, electromagnetic adjustable speed motor, coupler, be located at magnetorheological driving device, retarder, traction sheave, steel rope, car and counterweight on the bearing, described electromagnetic adjustable speed motor is in transmission connection through coupler and magnetorheological driving device, and described magnetorheological driving device is in transmission connection through retarder, traction sheave, steel rope and car and counterweight again.
Above-mentioned magnetorheological driving device comprises left and right end cap and runs through the imput shaft of right end cap, runs through the driven shaft of left end cap, the left part of described imput shaft is fixed with driving rotor, the right part of described driven shaft is fixed with the driven rotor that is positioned at the driving rotor running, be provided with the working clearance between described driving rotor and the driven rotor, be provided with magnetic flow liquid in the described working clearance, the radially perimembranous of described driving rotor is provided with yoke, is provided with to drive the excitation coil of magnetic flow liquid in the described yoke.
Also be provided with sensor between above-mentioned coupler and the magnetorheological driving device, go back circuit on the described sensor and be connected with knotmeter and torque measurer.
Also be connected with magnetic field intensity measuring instrument on the above-mentioned magnetorheological driving device.
Also be provided with magnetism-isolating loop on the above-mentioned driving rotor.
Also be provided with angular contact ball bearing between above-mentioned imput shaft and driven shaft and right end cap and the left end cap.
Specific implementation process:
Elevator is the friction force transferring power of utilizing grooving on traction steel-cable and the traction wheel rim.The towing machine of elevator mainly is comprised of hoist ropes, electrical motor, retarder, traction sheave, drg and coupler.Speed and load according to the elevator operation are selected electrical motor and drg.
Comprehensive elevator traction driving system and magnetic current changing brake device, designing Fig. 1 is magnetorheological elevator dragging and driving device general arrangement, and device partly is comprised of electromagnetic adjustable speed motor 1, coupler 2, sensor 3, magnetorheological driving device 4, retarder 5, traction sheave 6, steel rope 7, car and counterweight 8, magnetic field intensity measuring instrument 9, bearing 10, knotmeter 11, torque measurer 12 etc.
As shown in Figure 2, this magnetorheological elevator dragging and driving device mainly is to rely on magnetic flow liquid as driving medium, by changing externally-applied magnetic field intensity, causes that the viscosity of magnetic flow liquid and yield stress change, thereby realizes the stepless variation of transmitting torque and rotating speed.Because this magnetorheological elevator dragging and driving device need play brake action, driven rotor is fixed.Torque is spread out of by imput shaft 13, driven shaft 14, right end cap 15, left end cap 16, driving rotor 17, driven rotor 18, magnetic flow liquid 19, yoke 20, excitation coil 21, magnetism-isolating loop 22, bearing 23, O RunddichtringO 24, rubber oil sea 25, circular nut 26 etc. by motor reel and forms.Whole device mainly is divided into rotation, magnetic circuit, supporting, four parts of lubrication and seal.
1) rotating element
Rotating element mainly comprises imput shaft 13, driven shaft 14, driving rotor 17 and driven rotor 18.Driving rotor and imput shaft are fixedly connected, and driven rotor and driven shaft are fixedly connected, and magnetic flow liquid was distributed in the working clearance that forms between driving rotor and the driven rotor.Power transmission process is: power source motor-imput shaft-driving rotor-magnetic flow liquid-driven rotor-driven shaft-load.When the excitation coil no current, magnetic flow liquid is the magnetorheological driving device of Newton fluid and is the transmitting torque state; When the size of current of passing through excitation coil 21 by adjustment, can obtain needed variation magnetic field, this moment, magnetorheological driving device was as magneto-rheologic liquid brake work, S. A. is connected with the stationary housing stickiness by magnetic flow liquid, according to magnetic flow liquid chain reaction theory, magnetic flow liquid is under the different magnetic field of electric control system controls, produce different lock torques by the chain reaction that occurs in various degree, so just can obtain different lock torques by regulating electric-control system, and the range of current of excitation coil 21 has determined the detent torque range that magneto-rheologic liquid brake can be controlled to a certain extent.
2) magnetic circuit part
Magnetic circuit part mainly comprises excitation source and magnetic loop.Excitation coil is excitation source, is wound on by the low-resistance varnish envelope curve in the coil rack of insulation, and whole excitation coil is placed in the coil window in the yoke.When switching on to excitation coil, excitation coil produces magnetic field, will form magnetic loop between yoke-driving rotor-magnetic flow liquid-driven rotor-magnetic flow liquid-driving rotor-yoke like this.Just can regulate magnitude of field intensity in the magnetic loop by the size of current of regulating excitation coil.
3) supporting part
The driven shaft of magnetic flow liquid elevator traction driving device and imput shaft are bearing on the left and right end cap of driving device by angular contact ball bearing respectively, the bearing mounting means is that dos-à-dos is installed, and by circular nut bearing inner ring is carried out the left and right end cap of pretension driving device and connects with yoke by screw.
4) seal lubrication part
Be fixedly connected between driving device driving rotor and the magnetism-isolating loop, belong to static seal, therefore this place seals by O type circle; There is relative motion between driving rotor and the driven shaft, belongs to dynamic seal, seal with rubber oil sea herein, and by oil seal collar rubber oil sea is pressed in the driving rotor.The antifriction-bearing box place is coated with lubricating grease and is lubricated.
The utility model does not limit to above-mentioned preferred forms, and anyone can draw other various forms of magnetorheological elevator dragging and driving devices under enlightenment of the present utility model.All equalizations of doing according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (5)
1. magnetorheological elevator dragging and driving device, comprise bearing, electromagnetic adjustable speed motor, coupler, be located at the magnetorheological driving device on the bearing, retarder, traction sheave, steel rope, car and counterweight, it is characterized in that: described electromagnetic adjustable speed motor is in transmission connection through coupler and magnetorheological driving device, described magnetorheological driving device is again through retarder, traction sheave, steel rope and car and counterweight are in transmission connection, described magnetorheological driving device comprises a left side, right end cap and run through the imput shaft of right end cap, the driven shaft that runs through left end cap, the left part of described imput shaft is fixed with driving rotor, the right part of described driven shaft is fixed with the driven rotor that is positioned at the driving rotor running, be provided with the working clearance between described driving rotor and the driven rotor, be provided with magnetic flow liquid in the described working clearance, the radially perimembranous of described driving rotor is provided with yoke, is provided with to drive the excitation coil of magnetic flow liquid in the described yoke.
2. magnetorheological elevator dragging and driving device according to claim 1 is characterized in that: also be provided with sensor between described coupler and the magnetorheological driving device, go back circuit on the described sensor and be connected with knotmeter and torque measurer.
3. magnetorheological elevator dragging and driving device according to claim 2 is characterized in that: also be connected with magnetic field intensity measuring instrument on the described magnetorheological driving device.
4. magnetorheological elevator dragging and driving device according to claim 3 is characterized in that: also be provided with magnetism-isolating loop on the described driving rotor.
5. magnetorheological elevator dragging and driving device according to claim 4 is characterized in that: also be provided with angular contact ball bearing between described imput shaft and driven shaft and right end cap and the left end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220333037 CN202785190U (en) | 2012-07-11 | 2012-07-11 | Magneto-rheological elevator traction transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220333037 CN202785190U (en) | 2012-07-11 | 2012-07-11 | Magneto-rheological elevator traction transmission device |
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| Publication Number | Publication Date |
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| CN202785190U true CN202785190U (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220333037 Expired - Fee Related CN202785190U (en) | 2012-07-11 | 2012-07-11 | Magneto-rheological elevator traction transmission device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102730527A (en) * | 2012-07-11 | 2012-10-17 | 福建省特种设备检验研究院 | Magnetorheological elevator traction drive device |
| CN103248197A (en) * | 2013-05-29 | 2013-08-14 | 江苏理工学院 | Magnetorheological fluid power coupler |
-
2012
- 2012-07-11 CN CN 201220333037 patent/CN202785190U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102730527A (en) * | 2012-07-11 | 2012-10-17 | 福建省特种设备检验研究院 | Magnetorheological elevator traction drive device |
| CN103248197A (en) * | 2013-05-29 | 2013-08-14 | 江苏理工学院 | Magnetorheological fluid power coupler |
| CN103248197B (en) * | 2013-05-29 | 2015-05-20 | 江苏理工学院 | Magnetorheological fluid power coupler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20150711 |
|
| EXPY | Termination of patent right or utility model |