CN105896929A

CN105896929A - 911-model slewing bearing disc magnetic coupler

Info

Publication number: CN105896929A
Application number: CN201510044332.4A
Authority: CN
Inventors: 李启飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-01-23
Filing date: 2015-01-23
Publication date: 2016-08-24

Abstract

The invention provides a 911-model slewing bearing disc magnetic coupler belonging to the field of power transmission, energy saving and emission reduction, moving equipment, and magnetic drive. A slewing bearing is used to cut off the influence of magnetically coupled rotor rotation at a high speed, the speed can be adjusted manually or electrically, a lever synchronization mechanism ensures the synchronous reverse movement of two symmetrical side magnet fixed disk components. The 911-model slewing bearing disc magnetic coupler has three series which are an air-cooled and liquid-cooled 911A-type slewing bearing disc magnetic coupler (FT911A, YT911A series), an air-cooled and liquid-cooled 911B slewing bearing disc magnetic coupler (FT911B, YT911B series), and an air-cooled and liquid-cooled 911C type slewing bearing disc magnetic coupler (FT911C, YT911C series). The present invention provides an economic and feasible method for the speed regulation and energy saving of the moving equipment.

Description

911 type pivoting support disc type magnetic coupler

Technical field

Power transmission, energy-saving and emission-reduction, dynamic equipment, magnetically-actuated.

Background technology

From the beginning of human use ground Magnetic driving invention compass, the research on utilization of magnetic field energy the most never stopped.Along with existing For the development of theory of magnetism, the application in the industry of magnetically-actuated product just emerges in an endless stream, magnetic drive pump, magnetic bearing, magnetic force coupling Clutch, magnetic-gear etc..Being limited to the restriction of magnetic material, Drive Technology slower development, until nineteen eighty-three, middle promulgated by the State Council Understanding high performance permanent magnetic materials neodymium iron boron, magnetically-actuated product is just rapidly developed application.

Magnetic coupling since the development of independent conduct single branch, has occurred in that shape shape from magnetic drive pump isodynamic driving product The product of look look, but be all confined to the reason of configuration aspects, the dynamic equipment that can only be confined to middle low power, medium and small moment of torsion interval moves In power transmission application, and expensive.As the primary air fan (6000KW, 1496r/min) of thermal power plant, overfire air fan (4550KW, 1495r/min), coal breaker (1200KW, 490r/min) and steel mill, the dynamic equipment such as large fan of mining site, prior art and Product all cannot meet practical application request.

Energy-saving and emission-reduction are current active demands.Dynamic device energy conservation, has variable-frequency speed-adjusting energy-saving and grooved cam machine the most efficiently Structure speed governing magnetic coupling variable speed energy saving.Frequency converter is shorter for service life, and adaptive capacity to environment is poor, takes up an area space greatly, safeguards and need Asking high, high voltage converter fault rate is the highest, poor reliability.Carry out the grooved cam mechanism speed governing magnetic coupling (cylinder applied at present Formula and disc type) it is of limited application because of reasons in structure, and expensive.Ye Leng grooved cam mechanism speed governing disc electromagnetic coupling can only be exerted oneself Being applied to by force in the dynamic equipment of below 2500KW moderate rotation, air-cooled grooved cam mechanism speed governing disc electromagnetic coupling can only be applied to reluctantly In the dynamic equipment of below 350KW moderate rotation.Cartridge type magnetic coupling is the most worse, liquid cool tone speed product can only be applied to reluctantly 800KW with In the dynamic equipment of lower moderate rotation, and security reliability is the highest.

Summary of the invention

The present invention focuses on the technical method finding a kind of disc electromagnetic coupling speed governing, the three types of extending out along with this technical method 911 type pivoting support disc type magnetic coupler are air-cooled and liquid cold 911A type pivoting support disc type magnetic coupler (FT911A, YT911A series), air-cooled and liquid cold 911B type pivoting support disc type magnetic coupler (FT911B, YT911B series), wind Cold and liquid cold 911C type pivoting support disc type magnetic coupler (FT911C, YT911C series).

911 type pivoting support disc type magnetic coupler can directly manual governing, A, B, C tri-seed category be three kinds of electric speed regulation Scheme, in order to remotely control.

Accompanying drawing explanation

Fig. 1 show air-cooled 911 type pivoting support disc type magnetic coupler (FT911 series), the cold 911 type pivoting support dishes of liquid Formula magnetic coupling (YT911 series) adds casing, and coolant is passed in and out by pipeline on shell, and forced fluid is cold.In Fig. 1, for Make drawing clear, eliminate the projection of one group of lever lazy-tongs, and the one group of lever projection retained does not has section view.

911 type pivoting support disc type magnetic coupler, all comprise following several part: in figure, label 1 and 5 is inductive disks assembly, 2 and 4 is magnetic patch fixed disk assembly, and 6 is pivoting support, and 20,21 is lever, and 19 is twisted branch seat, power transmission shaft centered by 18, 27 is flange shaft sleeve.

When magnetic coupling rotates, pivoting support cut off the impact of magnetic coupling rotor High Rotation Speed.When speed governing, manually or electrically drive cunning Dynamic cylinder 11 slides axially, and drives the magnetic patch fixed disk assembly directly connect with pivoting support to be axially moveable, thus changes magnetic patch Distance (magnetic field coupling gap) between fixed disk assembly and inductive disks assembly, to reach the purpose of variable speed energy saving (between the coupling of magnetic field The change of gap, will cause the change of magnetic coupling inner and outer rotors slip, the namely change of input and output rotating speed), lever lazy-tongs are protected Demonstrate,prove two symmetrical side magnetic patch fixed disk component synchronization counter motions.

Fig. 2 show A-A section view, has clearly given expression to powerdriven mode semiaxis, also show the distribution of magnetic patch Situation.

Fig. 3 show the organization plan of air-cooled 911A type pivoting support disc type magnetic coupler (FT911A series), utilizes gear Rack drives mechanism makes rotation motion be in line slip, drives magnetic patch fixed disk assembly to slide along center driving axle, can manually or Electric speed regulation.Tooth bar 17 is fixed on sliding cylinder 11 by Fig. 3, to drive sliding cylinder.In Fig. 3, for making drawing clear, save Omit the projection of one group of lever lazy-tongs, and the one group of lever projection retained has not had section view.

Fig. 4 show the organization plan of air-cooled 911B type pivoting support disc type magnetic coupler (FT911B series), utilizes ball Screw drive mechanism makes rotation motion be in line slip, drives magnetic patch fixed disk assembly to slide along center driving axle, can manually or Electric speed regulation.In Fig. 4, feed screw nut 40 and sliding cylinder 11 being made consubstantiality, rotate with leading screw 41, feed screw nut 40 moves Mode drive sliding cylinder 11.May be used without rotating with feed screw nut, leading screw and sliding cylinder 11 (are done by the method that leading screw moves Become consubstantiality).In Fig. 4, for making drawing clear, eliminate the projection of one group of lever lazy-tongs, and the one group of lever projection retained There is no section view.

Fig. 5 show the organization plan of air-cooled 911C type pivoting support disc type magnetic coupler (FT911C series), utilizes groove Cam drive mechanism makes rotation motion be in line slip, drives magnetic patch fixed disk assembly to slide along center driving axle, can manually or Electric speed regulation.Cam groove is placed on sliding cylinder 11 by Fig. 5, roller is fixed on roller and fixes on axle 51.Also can will roll Son is fixed on sliding cylinder 11, is placed in by cam groove on corresponding part.In Fig. 5, for making drawing clear, eliminate one group of thick stick The projection of bar lazy-tongs, and the one group of lever projection retained do not has section view.

Fig. 6 show FT911A series magnetic coupling and takes off the structural representation of internal two supports bearing, couples employing swollen between power transmission shaft Set, other series also can do so, but this scheme only can be used on low load situation and axle alters the most small situation, and reason is as follows: Inductive disks assembly 1 and 5 is formed outer rotor by bolted on connection, and magnetic patch fixed disk assembly 2 and 4 etc. is made up of the connection of center driving axle Internal rotor, inner and outer rotors is not in contact with each other, but due to during assembling it is difficult to ensure that the depth of parallelism of inductive disks assembly and magnetic patch fixed disk assembly, So can be to causing alternate stress (magnetic field coupling additional bending moment at motor center axle bearing supporting and at load transmission axle bearing supporting Effect), so that axle excessive wear lost efficacy.Additionally, the impact that axle is altered can cause bumpy running, can cause the accident time serious. Generally speaking, this kind of scheme to be cautious use of.

Fig. 7 show lever lazy-tongs schematic diagram.

Fig. 8, Fig. 9 show inductive disks, protruding blade are distributed, to help heat radiation in card.During unknown device rotation direction, can be selected for Shape shown in Fig. 8, such as known device rotation direction, can be selected for the streamline shape shown in Fig. 9, to increase heat dissipation capacity and to reduce flow-disturbing and make an uproar Sound.When heat dissipation capacity is enough, inductive disks uses square position, removes protruding blade, to simplify manufacturing process.

Detailed description of the invention

What 911 type pivoting support disc type magnetic coupler were comprised respectively forms parts, and modern industry manufacturing technology all can process system Make.Ball-screw, pivoting support, magnetic patch, bearing, gear, tooth bar all can be formed a complete production network by specialized vendor, other parts Machining, die forming, weld.

911 type pivoting support disc type magnetic coupler move equipment as one, and its finished product wants successful Application, it is necessary to possess following two Individual condition: (1) power calibration sets up complete testboard bay (each power moment of torsion is interval), to complete the mark of tandem product Fixed.(2) dynamic balancing detection slewing must reach the requirement for dynamic balance of correlation standard, to reach the safety of necessity Reliability.

Claims

The organization plan of the most air-cooled 911 type pivoting support disc type magnetic coupler (FT911 series) is characterized in that utilizing back Turn supporting and cut off the impact of magnetic coupling rotor High Rotation Speed, utilize lever lazy-tongs to ensure two symmetrical side magnetic patch fixed disk synchronous backwards Motion, inner and outer Rotator utilizes bearing supporting location.
The organization plan of the most air-cooled 911A type pivoting support disc type magnetic coupler (FT911A series) is characterized in that utilizing Pivoting support cuts off the impact of magnetic coupling rotor High Rotation Speed, and two symmetrical side magnetic patch fixed disks synchronize instead to utilize lever lazy-tongs to ensure To motion, inner and outer Rotator utilizes bearing supporting location, utilizes gear-rack drive mechanism to be driven speed governing.
The organization plan of the most air-cooled 911B type pivoting support disc type magnetic coupler (FT911B series) is characterized in that utilizing Pivoting support cuts off the impact of magnetic coupling rotor High Rotation Speed, and two symmetrical side magnetic patch fixed disks synchronize instead to utilize lever lazy-tongs to ensure To motion, inner and outer Rotator utilizes bearing supporting location, utilizes ball screw drive mechanism to be driven speed governing.
The organization plan of the most air-cooled 911C type pivoting support disc type magnetic coupler (FT911C series) is characterized in that utilizing Pivoting support cuts off the impact of magnetic coupling rotor High Rotation Speed, and two symmetrical side magnetic patch fixed disks synchronize instead to utilize lever lazy-tongs to ensure To motion, inner and outer Rotator utilizes bearing supporting location, and profit grooved cam drive mechanism is driven speed governing.
The most each series (FT911 series, FT911A series, FT911B series, FT911C series) removes inner and outer Rotator Between the organization plan of positioning support bearing.
6. return according to 911 types described in claim 1, claim 2, claim 3, claim 4, claim 5 Turn supporting disc type magnetic coupler, it is characterized in that using the technical method of pivoting support to utilize pivoting support to cut off magnetic coupling rotor The impact of High Rotation Speed, it is ensured that governing drive mechanism is not affected by magnetic coupling High Rotation Speed, can push or pull on magnetic coupling internal rotor Middle side magnetic patch fixed disk assembly slides axially, thus changes the distance between magnetic patch fixed disk and inductive disks (between magnetic field couples Gap), reach the purpose of variable speed energy saving.
7. return according to 911 types described in claim 1, claim 2, claim 3, claim 4, claim 5 Turn supporting disc type magnetic coupler, it is characterized in that the technical method using lever lazy-tongs utilizes lever lazy-tongs to ensure The magnetic patch fixed disk component synchronization counter motion of both sides.
911A type pivoting support disc type magnetic coupler the most according to claim 2, is characterized in that using rack-and-pinion to drive The technical method of motivation structure utilizes gear-rack drive mechanism to make rotation motion be in line slip, drives magnetic patch fixed disk edge Center driving axle slides.
911B type pivoting support disc type magnetic coupler the most according to claim 3, is characterized in that using ball-screw to drive The technical method of motivation structure utilizes ball screw drive mechanism to make rotation motion be in line slip, drives magnetic patch fixed disk edge Center driving axle slides.
911C type pivoting support disc type magnetic coupler the most according to claim 4, is characterized in that using grooved cam to drive The technical method of motivation structure utilizes grooved cam drive mechanism to make rotation motion be in line slip, drives magnetic patch fixed disk edge Center driving axle slides.