CN104896058A - Magnetic-liquid mixed type speed adjusting device - Google Patents

Magnetic-liquid mixed type speed adjusting device Download PDF

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Publication number
CN104896058A
CN104896058A CN201510194698.XA CN201510194698A CN104896058A CN 104896058 A CN104896058 A CN 104896058A CN 201510194698 A CN201510194698 A CN 201510194698A CN 104896058 A CN104896058 A CN 104896058A
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China
Prior art keywords
bearing
cylinder
output shaft
base friction
paper
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CN201510194698.XA
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CN104896058B (en
Inventor
申新建
胡凡
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Wuxi Coal Mine Machinery Co ltd
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Wuxi City Fei Du Automation Equipment Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H49/00Other gearings

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)

Abstract

The invention discloses a magnetic-liquid mixed type speed adjusting device. The speed adjusting device comprises a rack. A cover cylinder is installed on the rack. One end of the cover cylinder is rotatably connected with an input shaft and the other end is rotatably connected with an output shaft; a rotating disc is fixed on the input shaft; multiple permanent magnets are uniformly distributed on the rotating disc. A connection cylinder is connected to the rotating disc. A connection disc is connected to the connection cylinder. A pin shaft is fixed in the connection cylinder. Copper-based friction plates and paper-based friction plates are alternatively arranged in the connection cylinder. The paper-based friction plates are fixed on the pin shaft. A spring is arranged between adjacent paper-based friction plates. The copper-based friction plates are in key connection with the output shaft. A first bearing seat and a second bearing seat are installed on the cover cylinder. A compression oil cylinder is installed on the second bearing seat. A lubricating oil inlet and a pressure oil inlet are arranged in the compression oil cylinder. An oil inlet hole is arranged in the output shaft. An oil outlet hole is arranged in the output shaft. The output end of the compression oil cylinder is connected with a transmission bearing which is connected with a pressing plate. According to the invention, stable and poleless variable speed in full range can be achieved.

Description

The liquid mixed arrangements for speed regulation of a kind of magnetic
Technical field
The present invention relates to a kind of arrangements for speed regulation, particularly relate to the liquid mixed arrangements for speed regulation of a kind of magnetic.
Background technique
At present, the mode of speed regulation major part that the equipment such as blower fan, pump class, belt conveyor of domestic enterprise adopts is frequency control of motor speed.In view of frequency control of motor speed institute's produced problem in production run, especially the uncertainty of frequency conversion equipment fault, produce to enterprise and bring hidden danger, directly affects the continuity of production run, stability and reliability, also bring larger economic loss to enterprise, this loss normally causes because of shutdown during electrical equipment malfunction; Meanwhile, electric system is just progressively to voltage levels future development, but the intrinsic electrical characteristic of high voltage converter makes high voltage converter be limited by very large in cost, reliability, Environmental Conditions, especially be more difficult to realize in the utilization of inflammable and explosive occasion.
For the problems referred to above, Some Enterprises adopts permanent-magnet mode of speed regulation, the working principle of permanent-magnet speed governing is that permanent magnet is equipped with in driving shaft one end, load end is equipped with the conductor disc for generation of electromotive force, there is gap between the two, drive permanent magnet to rotate when driving shaft rotates thus in the conductor disc of driven axle cutting magnetic line, and then the magnetic force of rotation is born in induction, thus realizes the torque transfer of motor to load.Wherein, air gap is less, and magnetic induction is larger, and output torque is larger; The torque of transmitting just can be controlled by regulating the air gap between permanent magnet and conductor disc, namely can control active and passive between slippage, thus realize loading speed adjustment, but, the eddy current that permanent-magnet speed governing induces in conductor disc due to rotating magnetic field finally can be converted into heat, so water-cooling pattern must be adopted during high-power transmitting torque to cool, simultaneously due to the existence of slippage, the rotating speed transmission of 100% can not be realized in high regime.Separately have Some Enterprises to pass through to adopt liquid_viscosity regulator mode, but also there is the problem that can not realize stabilized (steady-state) speed under lower-speed state in it, thus, is badly in need of solving.
Summary of the invention
The object of the invention is to for the problems referred to above, provide a kind of magnetic liquid mixed arrangements for speed regulation, it can realize stable, electrodeless variable-speed in gamut, solves the problem of high-tension apparatus speed governing difficulty.
The object of the invention is to be achieved through the following technical solutions:
The liquid mixed arrangements for speed regulation of a kind of magnetic, comprise support, described support is provided with cover cylinder, one end of described cover cylinder is rotatably connected to input shaft, its the other end is rotatably connected to output shaft, described input shaft is fixedly connected with rolling disc, described rolling disc is positioned at cover cylinder, it is along the circumferential direction evenly equipped with multiple permanent magnet, and rolling disc is connected with connecting cylinder, described connecting cylinder is connected with land, and between land and rolling disc, be fixedly installed bearing pin in connecting cylinder, copper-base friction plate is alternatingly arranged with in described connecting cylinder, paper-base friction wafer, described paper-base friction wafer is fixedly installed on bearing pin, and be provided with spring between adjacent paper-base friction wafer, described copper-base friction plate key is mounted on output shaft, described cover cylinder is provided with clutch shaft bearing seat, second bearing support, clutch shaft bearing for supporting input shaft is installed in described clutch shaft bearing seat, the second bearing for supporting output shaft is installed in described second bearing support, described second bearing support is provided with compressed oil cylinder, and it has lubricating oil inlet, pressure oil import, described output shaft has the oil inlet hole be connected with lubricating oil inlet, and the output shaft being positioned at connecting cylinder has the oil outlet be connected with oil inlet hole, the output terminal connection for transmission bearing of described compressed oil cylinder, described drive bearing with for compressing copper-base friction plate, the pressing plate of paper-base friction wafer is connected.
As preferred version of the present invention, described clutch shaft bearing is roller bearing, and described second bearing is double-row self-aligning ball bearing, and the termination of described output shaft is supported on input shaft by double-row self-aligning ball bearing.
As preferred version of the present invention, described spring is disc spring.
As preferred version of the present invention, described copper-base friction plate is fixedly mounted on output shaft by spline.
As preferred version of the present invention, described cover cylinder is provided with ventilative seat.
Beneficial effect of the present invention is, the liquid mixed arrangements for speed regulation of described a kind of magnetic adopt the complex method of electromagnetic induction power and internal fluid friction power to realize the transmission of torque of motor to load, achieve between motor and load and be not rigidly connected, electrodeless speed change is stablized in gamut, solve a difficult problem for high-tension apparatus speed governing, under compensate for traditional mechanical speed regulation method, low speed state velocity is unstable, there is the shortcoming of slippage in fast state, improve transmission efficiency and speed adjusting performance simultaneously, structure is simple, reliable and stable, economical and practical, not by the impact of electric moter voltage, the demand of various transmitted power can be met, also the needs that remote auto controls can be met, and be applicable to various working environment.
Accompanying drawing explanation
Fig. 1 is the plan view of the liquid mixed arrangements for speed regulation of a kind of magnetic of the present invention;
Fig. 2 is the side view of the liquid mixed arrangements for speed regulation of a kind of magnetic of the present invention.
In figure:
1, support; 2, cover cylinder; 3, ventilative seat; 4, input shaft; 5, output shaft; 6, clutch shaft bearing seat; 7, roller bearing; 8, the second bearing support; 9,10, double-row self-aligning ball bearing; 11, stop collar; 12, input shaft end cap; 13, output shaft end cap; 14, rolling disc; 15, connecting cylinder; 16, land; 17, bearing pin; 18, copper-base friction plate; 19, paper-base friction wafer; 20, disc spring; 21, compressed oil cylinder; 22, lubricating oil inlet; 23, pressure oil import; 24, drive bearing; 25, pressing plate; 26, permanent magnet.
Embodiment
Technological scheme of the present invention is further illustrated by embodiment below in conjunction with accompanying drawing.Be understandable that, embodiment described herein is only for explaining the present invention, but not limitation of the invention.
Please refer to shown in Fig. 1 and Fig. 2, Fig. 1 is the plan view of the liquid mixed arrangements for speed regulation of a kind of magnetic of the present invention; Fig. 2 is the side view of the liquid mixed arrangements for speed regulation of a kind of magnetic of the present invention.
In the present embodiment, the liquid mixed arrangements for speed regulation of a kind of magnetic, comprise support 1, described support 1 is provided with cover cylinder 2, described cover cylinder 2 is provided with ventilative seat 3, the left end of cover cylinder 2 is rotatably connected to input shaft 4, its right-hand member is rotatably connected to output shaft 5, described input shaft 4 is by the clutch shaft bearing seat 6 be fixed on cover cylinder 2, roller bearing 7 supports, described output shaft 5 is by the second bearing support 8 be fixed on cover cylinder 2, double-row self-aligning ball bearing 9 supports, the left end termination of described output shaft 5 is supported on input shaft 4 by double-row self-aligning ball bearing 10, described input shaft 4 is provided with stop collar 11, described stop collar 11 is embedded with O RunddichtringO, and be provided with outside framework oil seal between stop collar 11 and input shaft end cap 12, outside framework oil seal is provided with between described output shaft 5 and output shaft end cap 13, the described input shaft 4 being positioned at cover cylinder 2 is installed with rolling disc 14, described rolling disc 14 is along the circumferential direction evenly equipped with 12 permanent magnets 26, and rolling disc 14 is connected with connecting cylinder 15, described connecting cylinder 15 is connected with land 16, and between land 16 and rolling disc 14, be fixedly installed bearing pin 17 in connecting cylinder, copper-base friction plate 18 is alternatingly arranged with in described connecting cylinder 15, paper-base friction wafer 19, described copper-base friction plate 18, paper-base friction wafer 19 forms liquid shear friction pair, described paper-base friction wafer 19 is fixedly installed on bearing pin 17, and be provided with disc spring 20 between adjacent paper-base friction wafer 19, described copper-base friction plate 18 is arranged on output shaft 5 by spline, itself and the permanent magnet 26 be embedded in rolling disc 14 form undesirable mutual electromagnetic inductance, described second bearing support 8 is provided with compressed oil cylinder 21, and it has lubricating oil inlet 22, pressure oil import 23, described output shaft 5 has the oil inlet hole be connected with lubricating oil inlet 22, and the output shaft 5 being positioned at connecting cylinder 15 has the oil outlet be connected with oil inlet hole, the output terminal connection for transmission bearing 24 of described compressed oil cylinder 21, described drive bearing 24 with for compressing copper-base friction plate 18, the pressing plate 25 of paper-base friction wafer 19 is connected.
During work, lubricant oil injects the oil inlet hole in output shaft 5 from lubricating oil inlet 22, and lubricant oil is thrown away on friction plate 18,19 by oil outlet by centrifugal force when relying on output shaft 5 to rotate, and carries out lubrication and cooling; Pressure oil injects the Seal cage of compressed oil cylinder 21 from pressure oil import 23, promote the piston rod of compressed oil cylinder 21, then by drive bearing 24, thrust is passed to pressing plate 25, pressing plate 25 promotes pressing friction sheet 18,19 again, thus the oil slick thickness controlled between friction plate 18,19, play speed governing effect.Especially, paper-base friction wafer 19 is connected in connecting cylinder 15 by bearing pin 17, can move axially along bearing pin 17, is provided with belleville spring 20 between adjacent paper-base friction wafer 19, when controlling oil pressure reduction, can make to depart from the state that affranchises between paper-base friction wafer 19 and copper-base friction plate 18.When the present invention runs, have oil-shear power and permanent magnet induction power two kinds of power act on simultaneously; At low speed segment, paper-base friction wafer 19 and copper-base friction plate 18 apart from each other, now there is no oil-shear power, permanent magnet induction power plays main transmitting torque effect; When high regime stable operation, slippage is less, and permanent magnet induction power is smaller, and oil-shear power is comparatively large, and now oil-shear power plays main speed governing effect; Especially, when paper-base friction wafer 19 and copper-base friction plate 18 contact, slippage is zero, and permanent magnet induction power is also zero, also there is not oil-shear power, now relies on stiction to transmit rotating speed.In addition, the ventilative seat set up above cover cylinder 2 of the present invention, can play the gas pressure effect inside and outside counter balance pocket; In addition, the right-hand member of output shaft 5 is supported by double-row self-aligning ball bearing 9, left end is supported on input shaft 4 by double-row self-aligning ball bearing 10, even if because vibrations cause input shaft 4 and output shaft 5 bias during work, also ensure that the present invention normally works by double-row self-aligning ball bearing 9,10 aligning.
Above embodiment has just set forth basic principle of the present invention and characteristic; the present invention does not limit by above-described embodiment; without departing from the spirit and scope of the present invention, the present invention also has various change and change, and these changes and change all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.

Claims (5)

1. the liquid mixed arrangements for speed regulation of magnetic, it is characterized in that: comprise support, described support is provided with cover cylinder, one end of described cover cylinder is rotatably connected to input shaft, its the other end is rotatably connected to output shaft, described input shaft is fixedly connected with rolling disc, described rolling disc is positioned at cover cylinder, it is along the circumferential direction evenly equipped with multiple permanent magnet, and rolling disc is connected with connecting cylinder, described connecting cylinder is connected with land, and between land and rolling disc, be fixedly installed bearing pin in connecting cylinder, copper-base friction plate is alternatingly arranged with in described connecting cylinder, paper-base friction wafer, described paper-base friction wafer is fixedly installed on bearing pin, and be provided with spring between adjacent paper-base friction wafer, described copper-base friction plate key is mounted on output shaft, described cover cylinder is provided with clutch shaft bearing seat, second bearing support, clutch shaft bearing for supporting input shaft is installed in described clutch shaft bearing seat, the second bearing for supporting output shaft is installed in described second bearing support, described second bearing support is provided with compressed oil cylinder, and it has lubricating oil inlet, pressure oil import, described output shaft has the oil inlet hole be connected with lubricating oil inlet, and the output shaft being positioned at connecting cylinder has the oil outlet be connected with oil inlet hole, the output terminal connection for transmission bearing of described compressed oil cylinder, described drive bearing with for compressing copper-base friction plate, the pressing plate of paper-base friction wafer is connected.
2. the liquid mixed arrangements for speed regulation of a kind of magnetic according to claim 1, it is characterized in that: described clutch shaft bearing is roller bearing, described second bearing is double-row self-aligning ball bearing, and the termination of described output shaft is supported on input shaft by double-row self-aligning ball bearing.
3. the liquid mixed arrangements for speed regulation of a kind of magnetic according to claim 1, is characterized in that: described spring is disc spring.
4. the liquid mixed arrangements for speed regulation of a kind of magnetic according to claim 1, is characterized in that: described copper-base friction plate is fixedly mounted on output shaft by spline.
5. the liquid mixed arrangements for speed regulation of a kind of magnetic according to claim 1, is characterized in that: described cover cylinder is provided with ventilative seat.
CN201510194698.XA 2015-04-22 2015-04-22 A kind of liquid mixed arrangements for speed regulation of magnetic Active CN104896058B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111255822A (en) * 2020-01-17 2020-06-09 盐城工学院 Piezoelectric driving type liquid viscosity-permanent magnet composite transmission method
CN111306282A (en) * 2020-01-17 2020-06-19 盐城工学院 Piezoelectric driving type liquid viscosity-permanent magnet composite transmission device
CN111306216A (en) * 2020-03-09 2020-06-19 唐山师范学院 Automatic reset speed regulation clutch

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RO87162A2 (en) * 1983-12-28 1985-06-29 Institutul De Invatamint Superior,Ro MAGNETIC FLUID TOURISM VARIANT
CN1900555A (en) * 2005-07-20 2007-01-24 上海工程技术大学 Rotary type magnetic flow change torque changer
CN1928380A (en) * 2006-08-11 2007-03-14 夏学苏 Hydraulic control system for viscosity speed regulation clutch
CN101029664A (en) * 2007-04-02 2007-09-05 中国矿业大学 Magnetic rheological hydraulic flexible starter
CN101793312A (en) * 2010-02-11 2010-08-04 中国矿业大学 Magneto-rheological stepless speed changer
CN103438120A (en) * 2013-09-02 2013-12-11 中国矿业大学 Magnetorheological soft starter

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RO87162A2 (en) * 1983-12-28 1985-06-29 Institutul De Invatamint Superior,Ro MAGNETIC FLUID TOURISM VARIANT
CN1900555A (en) * 2005-07-20 2007-01-24 上海工程技术大学 Rotary type magnetic flow change torque changer
CN1928380A (en) * 2006-08-11 2007-03-14 夏学苏 Hydraulic control system for viscosity speed regulation clutch
CN101029664A (en) * 2007-04-02 2007-09-05 中国矿业大学 Magnetic rheological hydraulic flexible starter
CN101793312A (en) * 2010-02-11 2010-08-04 中国矿业大学 Magneto-rheological stepless speed changer
CN103438120A (en) * 2013-09-02 2013-12-11 中国矿业大学 Magnetorheological soft starter

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111255822A (en) * 2020-01-17 2020-06-09 盐城工学院 Piezoelectric driving type liquid viscosity-permanent magnet composite transmission method
CN111306282A (en) * 2020-01-17 2020-06-19 盐城工学院 Piezoelectric driving type liquid viscosity-permanent magnet composite transmission device
CN111255822B (en) * 2020-01-17 2021-06-01 盐城工学院 Piezoelectric driving type liquid viscosity-permanent magnet composite transmission method
CN111306216A (en) * 2020-03-09 2020-06-19 唐山师范学院 Automatic reset speed regulation clutch

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Effective date of registration: 20170112

Address after: 214000 Huishan Economic Development Zone, Huishan District, Jiangsu, Chang Chang Road, No. 2, No.

Applicant after: WUXI COAL MINE MACHINERY Co.,Ltd.

Address before: The wisdom of Wuxi Economic Development Zone Huishan Road, Huishan District 214000 Jiangsu city of Wuxi province No. 33 Huaqing Creative Park 7 Building 302 (zone)

Applicant before: WUXI FEIDU AUTOMATION EQUIPMENT CO.,LTD.

C14 Grant of patent or utility model
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PE01 Entry into force of the registration of the contract for pledge of patent right
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Denomination of invention: A magnetic hydraulic hybrid speed regulating device

Effective date of registration: 20211227

Granted publication date: 20170308

Pledgee: Bank of China Limited by Share Ltd. Wuxi Huishan branch

Pledgor: WUXI COAL MINE MACHINERY Co.,Ltd.

Registration number: Y2021980016438

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Date of cancellation: 20221115

Granted publication date: 20170308

Pledgee: Bank of China Limited by Share Ltd. Wuxi Huishan branch

Pledgor: WUXI COAL MINE MACHINERY Co.,Ltd.

Registration number: Y2021980016438

PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: A speed regulating device with magnetic fluid mixture

Effective date of registration: 20221116

Granted publication date: 20170308

Pledgee: Bank of China Limited by Share Ltd. Wuxi Huishan branch

Pledgor: WUXI COAL MINE MACHINERY Co.,Ltd.

Registration number: Y2022980022046

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Registration number: Y2022980022046