CN104803310B - One gear permanent-magnet synchronous direct drive lifting machine - Google Patents
One gear permanent-magnet synchronous direct drive lifting machine Download PDFInfo
- Publication number
- CN104803310B CN104803310B CN201510143363.5A CN201510143363A CN104803310B CN 104803310 B CN104803310 B CN 104803310B CN 201510143363 A CN201510143363 A CN 201510143363A CN 104803310 B CN104803310 B CN 104803310B
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- China
- Prior art keywords
- brake
- reel
- gear
- power set
- sluice gate
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/12—Driving gear incorporating electric motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/14—Power transmissions between power sources and drums or barrels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
- B66D1/30—Rope, cable, or chain drums or barrels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/54—Safety gear
- B66D1/56—Adaptations of limit switches
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature
- F16D66/02—Apparatus for indicating wear
- F16D66/021—Apparatus for indicating wear using electrical detection or indication means
- F16D66/026—Apparatus for indicating wear using electrical detection or indication means indicating different degrees of lining wear
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/102—Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction brakes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D2700/00—Capstans, winches or hoists
- B66D2700/07—Brakes with axial thrust for winches, hoists or similar devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Braking Arrangements (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The present invention relates to a gear permanent-magnet synchronous direct drive lifting machine, it is rotated with built-in multi-disc brake magneto for the reel of prime mover driven lifting machine, the inwall of reel is provided with ring gear, the output gear that drives of drum driving apparatus is engaged with the ring gear of described reel, the rotor rear portion of described built-in multi-disc brake magneto is built-in with multi-disc brake device, brake disc is promoted combine and forms braking by braking elastic force apparatus during no power, by opening a sluice gate power set releasing and braking elastic force apparatus to be applied to the brake force that brake disc group is closed after energising.The present invention is lightweight, small volume, speed-regulating range width, operation with easy to control, safe and reliable it is possible to substantially reduction manufacturing cost and operating cost.
Description
Technical field
The present invention relates to an a kind of gear permanent-magnet synchronous direct drive lifting machine.
Background technology
Due to PMSM Speed wide ranges, exert oneself big, and allow to run under compared with the slow-speed of revolution, by permanent magnet synchronous electric
When machine is used for the equipment such as crane, can significantly reduce the requirement to decelerator, and then simplify even cancellation decelerator, but by
All it is not provided with built-in brake unit in current permasyn morot, need separately to arrange solely when for equipment such as cranes
Vertical brake unit, conventional brake unit is caliper brake device, is arranged on the side of reel, clamps system by caliper
Dynamic flange or brake disc are to be braked.Realize this braking in order to coordinate, the diameter of braking flange is often larger, along with jaw type
The installation of brake unit, needs to take larger space, particularly in reel in the radial direction, thus seriously limits permanent magnetism
Synchronous motor is in the application in the fields such as crane, in addition, current people still continue to use the deceleration device of AC induction motor, will
Permagnetic synchronous motor is supporting with this complicated deceleration device, also cannot give full play of the advantage of permagnetic synchronous motor.
Content of the invention
It is an object of the invention to provide an a kind of gear permanent-magnet synchronous direct drive lifting machine, to give full play of permanent-magnet synchronous
The advantage of motor, simplifies drive mechanism, reduces machine volume, reduces manufacturing cost and operating cost.
The technical scheme is that：An a kind of gear permanent-magnet synchronous direct drive lifting machine, installs including raising support, rotation
Reel on described raising support and the drum driving apparatus for driving described reel rotation, described drum driving apparatus
With permasyn morot as prime mover, the inwall of described reel is provided with ring gear, and the driving of described drum driving apparatus is defeated
The ring gear going out gear with described reel engages.
Described permasyn morot is preferably built-in multi-disc brake permasyn morot, described built-in polydisc system
Dynamic permasyn morot includes rotor, stator and built-in multi-disc brake device, and described rotor is located in described stator and leads to
Cross rotor bearing to be rotatably connected with described stator, the iron core of described stator is arranged in motor casing, described motor casing
It is provided with motor drive end bearing bracket and motor rear end plate, the rotating shaft of described rotor is forward and from the axis hole of described motor drive end bearing bracket
Extend out, constitute motor output shaft, the rear portion of described rotor is the tubular section of rear end open, described built-in multi-disc brake
Device includes rotary cylinder, brake tube, brake disc combination, brakes elastic force apparatus and open a sluice gate power set, and described rotary cylinder is enclosed within institute
State the outside of brake tube, described brake disc combination includes dynamic brake disc and the brake stator disk complementing one another, described dynamic brake disc, quiet
Brake disc, rotary cylinder and brake tube are coaxial, and described dynamic brake disc is interspersed with described brake stator disk, and described dynamic brake disc is in circle
Annular, is arranged on the inner side of described rotary cylinder, to allow mutually axially to move between the inwall of its outer rim and described rotary cylinder
Movable connection method connects, and leaves spacing between its inner rim and described brake tube, and described brake stator disk is in annular, is arranged on institute
State the outside of brake tube, to allow the movable connection method mutually axially moving even between the outer wall of its inner rim and described brake tube
Connect, between its outer rim and described rotary cylinder, leave spacing, described braking elastic force apparatus are located at the rear side of described brake disc combination, if
The oriented described brake disc positioned at last side imposes the spring/spring assembly of forward thrust, and described power set of opening a sluice gate are arranged on
In described brake tube, including open a sluice gate power set matrix and can with respect to open a sluice gate power set matrix axial movement driving
Part, described actuator is located at the described front end opened a sluice gate the front side of power set matrix and couple described spring/spring assembly, described
Built-in multi-disc brake device is arranged in the tubular section at described rotor rear portion, after described rotary cylinder is fixedly mounted on described rotor
On the inwall of tubular section in portion or directly adopt the tubular section at described rotor rear portion, the described rear end opening a sluice gate power set matrix with
Described motor rear end plate is fixedly connected.
Beneficial effects of the present invention are：Due to adopting described drum driving apparatus with permasyn morot as prime mover,
There is small volume, big, speed-regulating range width of exerting oneself, and under suitable reel mounting structure, can be by permanent magnet synchronous electric
Motivation is arranged in reel, thus further reduces the volume of whole machine, facilitates operation；Due to being provided with internal tooth in reel
Circle, the diameter of such ring gear and the number of teeth are much larger than diameter and the number of teeth of conventional gear, by driving output gear and ring gear
Engagement it is possible to realize larger speed reducing ratio while realizing with reel drive connection, simultaneously due also to synchronous permanent-magnet motor
Machine can export relatively low rotating speed, so that a gear drive is possibly realized；Due to using the built-in polydisc employing uniqueness
Braking permasyn morot, the small volume of its built-in multi-disc brake device, brake force is big, and compact conformation, connected mode
Rationally, do not affect the normal work characteristic of permasyn morot after being built in permasyn morot, be conducive to that there is system
The advantages such as permasyn morot speed-regulating range width are kept while dynamic function；Due to being provided with built-in multi-disc brake device,
The caliper brake device after equipment such as the lifting mechanism for crane it is no longer necessary to outside setting, thus can be significantly
Reduction space hold, and also can significantly simplify the population structure of equipment, it is effectively reduced manufacturing cost and operating cost,
Simultaneously due also to the braking to prime mover will be become to the braking of executive component under prior art, not only brake relatively reliable,
Also reduce unnecessary energy loss between prime mover to executive component and mechanical wear；Due to adopting whole disc braking, system
Frictional contact surface between Moving plate and friction plate or between friction plate and friction plate is big, and can select as needed suitably
Brake disc quantity, sufficiently large brake force can be obtained under sufficiently small volume, it is sufficient to realize in applied field such as cranes
Close lower required braking effect；Due to relying on the active force of spring/spring assembly can promptly realize braking when not working,
Retro-speed is fast, and good reliability, even if it is also possible to be effectively realized braking under the particular cases such as accident power-off, thus improve
Safety.The present invention is lightweight, small volume, speed-regulating range width, operation with easy to control, safe and reliable it is possible to obvious fall
Low manufacturing cost and operating cost.
Brief description
Fig. 1 is the structural representation of one embodiment of the present invention；
Fig. 2 is the structural representation of another embodiment of the present invention；
Fig. 3 is a kind of structural representation of built-in multi-disc brake permasyn morot according to the present invention；
Fig. 4 is a kind of structural representation of built-in multi-disc brake device according to the present invention；
Fig. 5 is the structural representation of another kind of built-in multi-disc brake device according to the present invention.
Specific embodiment
Referring to Fig. 1-5, a gear permanent-magnet synchronous direct drive lifting machine disclosed by the invention, including raising support（It is not drawn into）、
The reel 510 being rotatably mounted on described raising support and the drum driving apparatus for driving described reel rotation, described
On the outer surface of reel, generally grooving 511 can be set, and be provided with rope guarding plate or other fixing devices 512 of restricting, described reel drives
With permasyn morot 100 as prime mover, the inwall of described reel is provided with ring gear 531 to dynamic device, and described reel drives
The output gear that drives of device is engaged with the ring gear of described reel.During installation, the outer rim of described ring gear can be with described volume
Cylinder inwall closely fits together, and the mode for example with interference fit or interference fits is it is possible to side in ring gear
Or both sides are provided for the parts such as ring gear capping that is fixing or protecting ring gear, if necessary, can also be by screw, pin and key
Etc. being attached and fasten.For safety with for the sake of the clean and tidy phase, the outside of described reel is also provided with reel outer housing 562.
Optionally, described permasyn morot is the permasyn morot with braking function（I.e. permanent-magnet synchronous system
Galvanic electricity motivation）Or it is the permasyn morot being not provided with braking function.
Preferably, the drive connection mode between described permasyn morot and described reel be following any one：
（1）Direct drive connects：Described drum driving apparatus do not set decelerator, and described motor output shaft 210 is installed
There is motor output gear 212, described motor output gear is used as described driving output gear, directly interior with described reel
Gear ring engages, the main part of described permasyn morot（Part including motor casing and in motor casing）
In described reel or outside described reel；
（2）By decelerator drive connection：Described drum driving apparatus are provided with decelerator 400, described synchronous permanent-magnet motor
Machine and described decelerator drive connection, described decelerator is located at the axially outer of described reel, the output shaft axle of described decelerator
To extending in described reel, the output of described decelerator is provided with the output shaft of the described decelerator in described reel
Gear 412, the output gear of described decelerator is used as described driving output gear, engages with the ring gear of described reel, described
The main part of permasyn morot is located in described reel or is located at outside described reel, and the preferred one-level of described decelerator becomes
Fast reductor（Alternatively referred to as single driving reductor）, such as single stage gear reducer.Described decelerator is furnished with or is not furnished with braking
Device 720, the preferred disk type electromagnetic brake of the brake that described decelerator is furnished with.
Preferably, the mode that is rotatably connected of described reel and described raising support be following any one：
（1）It is rotatably connected with fixed-bearing axis by rotationally supporting frame：Described raising support is provided with fixed-bearing axis
541, be installed with described reel rotate axis vertical rotationally support frame, the described quantity rotationally supporting frame is preferred
For 2, including before rotationally support frame 521 and after rotationally support frame 522, described fixed-bearing axis are coaxial with described reel（I.e. institute
The rotation axiss stating reel are overlapping with the center line axis of described fixed-bearing axis）, described rotationally support frame and be enclosed within described fixation prop up
Hold on axle and be rotatably connected with described fixed-bearing axis by rotationally supporting frame bearing, described raising support is additionally provided with fixing
Reel protecgulum 542 and reel bonnet 543, described reel protecgulum is located at before described reel between simultaneously leaving and described reel between
Gap, described reel bonnet is located at after described reel and leaves gap and described reel between, when described synchronous permanent-magnet motor
When machine is arranged on outside described reel, the preferably this connected mode of the mode that is rotatably connected of described reel and described raising support, when
When described permasyn morot is arranged in described reel, described permasyn morot should be avoided and rotationally support between frame
Mutually hinder；
（2）It is rotatably connected with fixed supporting frame by reel bearing：Described raising support is provided with fixed supporting frame, described
The quantity of fixed supporting frame is preferably 2, and including front fixed supporting frame 551 and rear fixed supporting frame 552, described reel passes through phase
The reel bearing answered is rotatably connected with described fixed supporting frame, and described raising support is additionally provided with fixing reel drive end bearing bracket 561,
Described reel drive end bearing bracket is located at before described reel and leaves gap and described reel between, when described permasyn morot
When being arranged in described reel, the preferably this connected mode of the mode that is rotatably connected of described reel and described raising support is permissible
Permasyn morot is arranged on the part of the fixation on described rear support bracket or in other suitable reels, as needed
Permasyn morot can be arranged on the outside of reel.
Preferably, this lifting machine is additionally provided with lifting height limiter 710, and described lifting height limiter is provided with limiter
Rotating shaft, described stop axle and the motor output shaft from the described permasyn morot biography to the inner ring of described reel
Any revolving part in motivation structure is in transmission connection, and for example described limiter rotating shaft is provided with is engaged with the ring gear in described reel
Gear 712（As shown in Figure 2）, or described limit rotary shaft is provided with the motor output gear with described permasyn morot
Wheel meshed gears, or described limit rotary shaft coupled with the motor output shaft axle of described permasyn morot, when reaching
During the lifting altitude limiting, described lifting height limiter controls limiter rotating shaft can not be rotated further along former direction.Due to rising
Rise can be rotated by reel（Or motor rotates）Determine, therefore can obtain raising by arranging the modes such as encoder
Altitude information, for example, be mapped the rotating cycle of lifting altitude limiting gear with setting lifting altitude threshold value, raises when rising
When degree limiting gear goes to corresponding rotating cycle, by way of Electronic Control or Mechanical course, locked lifting altitude limits tooth
Wheel rotation in the same direction, only allows to rotate round about, is achieved in the restriction to lifting altitude.
Preferably, described permasyn morot is using permanent-magnet synchronous brake motor, by the braking work of motor
Can, it is convenient to omit external brake unit, thus significantly simplify device structure, significantly reduce volume, system is greatly lowered
Cause this and operating cost.
Preferably, described permanent-magnet synchronous brake motor is built-in multi-disc brake permasyn morot, to ensure to make
Dynamic effect.
Interior preferred, described built-in multi-disc brake permasyn morot includes rotor 220, stator and built-in polydisc
Brake unit, described rotor is located in described stator and is rotatably connected with described stator by bearing, the iron core 120 of described stator
It is arranged in the motor casing 110 of motor, described motor casing is provided with motor drive end bearing bracket 112 and motor rear end plate
113, the rotating shaft 210 of described rotor extends out forward and from the axis hole of described motor drive end bearing bracket, constitutes motor output
Axle, is usually mounted with output gear 212, and the rear portion of described rotor is the tubular section of rear end open, be provided with can accommodate described interior
Put space 221 in the cylinder of formula multi-disc brake device, described built-in multi-disc brake device include rotary cylinder 311, brake tube 321,
Brake disc combines 330, brakes elastic force apparatus and open a sluice gate power set 350, and described rotary cylinder is enclosed within the outside of described brake tube, institute
State dynamic brake disc 331 and the brake stator disk 332 that brake disc combination includes complementing one another, described dynamic brake disc, brake stator disk, rotation
Cylinder and brake tube are coaxial, and described dynamic brake disc is interspersed with described brake stator disk, and described dynamic brake disc is in annular, is arranged on
The inner side of described rotary cylinder, to allow the movable connection method mutually axially moving between the inwall of its outer rim and described rotary cylinder
Connect, between its inner rim and described brake tube, leave spacing, described brake stator disk is in annular, be arranged on the outer of described brake tube
Side, to allow the movable connection method mutually axially moving to be connected between its inner rim and the outer wall of described brake tube, its outer rim with
Spacing is left, described braking elastic force apparatus are located at the rear side of described brake disc combination, are provided with to positioned between described rotary cylinder
The described brake disc of rear side imposes the spring/spring assembly 341 of forward thrust, and described power set of opening a sluice gate are arranged on described braking
Cylinder in, include open a sluice gate power set matrix and can with respect to open a sluice gate power set matrix move axially actuator, described drive
Moving part is located at the described front end opened a sluice gate the front side of power set matrix and couple described spring/spring assembly, described built-in many
Disk brake unit is arranged in the tubular section at described rotor rear portion, and described rotary cylinder is fixedly mounted on the tubular at described rotor rear portion
On the inwall of section or directly using the tubular section at described rotor rear portion, the described rear end opening a sluice gate power set matrix is electronic with described
Machine rear end cap is fixedly connected.The stator coil opening a sluice gate power set and motor is made synchronously to obtain electric and power-off, when motor works, interior
Put formula multi-disc brake device and be in not braking state, by the actuator opening a sluice gate power set, the front end of spring/spring assembly is pushed away
From brake disc combination, release and the brake force that brake disc group is closed is applied to by spring/spring assembly, when motor does not work, interior
Put formula multi-disc brake device and be in on-position, in addition in the course of the work suddenly power-off when, brake unit open a sluice gate power dress
Putting also power-off simultaneously by not braking State Transferring is brake unit, under on-position, the spring of built-in multi-disc brake device/
Spring assembly brake disc is combined in each brake disc（Including dynamic brake disc and brake stator disk）Push away forward, be allowed to mutually be pressed on
Together, rely on brake disc（Friction plate）Between frictional force, so that rotary cylinder is stopped operating and be continuously maintained in stop state, thus protect
Rotor nor rotation are demonstrate,proved.
Described brake disc（Dynamic brake disc and brake stator disk）Quantity can select as needed, to take into account brake force, body
The long-pending requirement with each side such as costs.
Optionally, the quantity of described dynamic brake disc can be one or multiple.
Optionally, the quantity of described brake stator disk can be one or multiple.
For example, a kind of preferred mode is, the quantity of described dynamic brake disc is one, and the quantity of described brake stator disk is two
Individual, in the axial direction, described two brake stator disks are located at the both sides in front and back of single described dynamic brake disc respectively.
Preferably, it is equipped with friction in the front side card of described dynamic brake disc and in the front side card of described brake stator disk
The material of piece, brake disc and friction plate can select according to prior art, to ensure that brake disc substantially do not grind mistake, and when friction
After piece mill loses to a certain extent, as long as more renewal of facing renewal, disk or the replacing of whole brake disc combination need not be braked.
Friction plate is arranged in the front side card of brake disc, is advantageously implemented brake disc combination and the knot of related auxiliary equipment
Structure optimizes.For example, when the brake disc of front side is brake stator disk（Quantity for example with brake stator is 2, moves brake disc
When quantity is the brake disc combination of 1）, the rotary cylinder end cap 312 of a fixation, this rotation can be set in the front end of rotary cylinder
Cylinder end cap be in inward flange shape, gear dynamic brake disc axially front it is possible to be provided with brake area, on described rotary cylinder end cap
Brake area same or similar with the brake area in described dynamic brake disc（In shape and/or size difference but
Drag friction effect equally can be played）, form effective drag friction with the brake stator disk of front side in braking procedure, lead to
Cross the setting of this rotary cylinder end cap, not only on rotary cylinder, dynamic brake disc and brake disc be collectively form and effectively axially limit
Position, to ensure braking action and to avoid dynamic brake disc to slip from rotary cylinder front end, but also is effectively improved brake force.
When described DC permanent magnet motor passes through the ring gear driving reel using decelerator, braking is by this motor
The brake that portion is carried is braked, and mode of braking is also normally closed type, and energising opens, and no power closure is it is also possible in decelerator
Add a brake again with respect to the opposite side of braking motor, constitute double brake pattern.
Preferably, described spring/spring assembly is made up of some disc springs, to improve brake force it is ensured that reliability, reduces empty
Between take.
Preferably, described some disc springs are set on described brake tube, are consequently formed the disc spring being stacked vertically
Combination, and realized radially fixed to disc spring combination by brake tube, simplify the mounting structure of disc spring combination.
Preferably, described brake tube front and rear be respectively equipped with axially extended front waist hole 322 and axially extended after
Waist hole 323, described front waist hole and rear waist hole are through hole, and described actuator is installed with the front stop lever 362 stretching out,
Described front stop lever passes through the front waist hole on described brake tube, and its outer section is kept off in the front end of described spring/spring assembly, is achieved in
Described actuator is coupled with described spring/spring assembly front end, and the described rear portion opening a sluice gate power set matrix is installed with
The rear pin 352 stretching out, described rear pin passes through the rear waist hole on described brake tube, and its outer section is kept off in described spring/bullet
The rear end of spring combination, be achieved in described in open a sluice gate coupling of power set matrix and described spring/spring assembly rear end.Meanwhile,
Due to being arranged to waist-shaped hole by this for the through hole through pin, therefore allow to adjust as needed and open a sluice gate power set matrix
And the axial location of actuator, with position adjustment requirement when adapting to install, and, brake disc ought be led to combine because of friction plate mill mistake
When inside larger gap occurring, power set matrix can be opened a sluice gate by adjustment and the axial location of actuator will be interior for brake disc combination
Clearance control in certain limit, to ensure braking characteristic.
Described front stop lever can be opened a sluice gate on power set matrix and can keep off in bullet respectively using being arbitrarily fixedly mounted on
Part/the assembly of spring/spring assembly front end.Described rear pin can adopt and arbitrarily can be fixedly mounted on actuator and can divide
Do not keep off the part/assembly in spring/spring assembly front end rear end.
For example, optionally, described front stop lever and rear pin can be respectively adopted and be fixedly mounted on described actuator and fixing
Pin or screw on power set matrix etc. is opened a sluice gate described in being arranged on.According to actual needs, described pin or screw can be consolidated
Surely it is provided with or has been not provided with the part of prolongation effect.
Preferably, the quantity of described front waist hole is identical with the quantity of described front stop lever, to correspond.
Preferably, the quantity of described rear waist hole is identical with the quantity of described rear pin, to correspond.
Optionally, the quantity of the front waist hole on described brake tube can be one or multiple, correspondingly, described
The quantity of the front stop lever on actuator is also one or more.
When the quantity of the front waist hole on described brake tube is multiple it is preferred that the plurality of front waist hole circumference is uniformly divided
Cloth, the quantity of the plurality of front stop lever is equal with the quantity of the plurality of front waist hole and adopts the circumferentially distributed mode of identical, with
Realize producing balanced forces.
Optionally, the quantity of the rear waist hole on described brake tube can be one or multiple, correspondingly, described
The quantity opening a sluice gate the rear pin on power set matrix is also one or more.
When the quantity of the rear waist hole on described brake tube is multiple it is preferred that the plurality of rear waist hole circumference is uniformly divided
Cloth, the quantity of the plurality of rear pin is equal with the quantity of the plurality of rear waist hole and adopts the circumferentially distributed mode of identical, with
Realize producing balanced forces.
Preferably, the described profile opening a sluice gate power set matrix is in the cylinder coaxial with described brake tube, in order to pacify
Fill and fixing, and be conducive to save space.
Preferably, the described rear end opening a sluice gate power set matrix is fixedly connected with the barrel 353 being coaxial therewith, described barrel
Through the axial barrel installing hole on described motor rear end plate and be connected with locking nut 354, described locking nut is located at institute
State after barrel installing hole and be tightened on described barrel, with described open a sluice gate power set matrix together with grip from front and back both sides
On described motor rear end plate, be achieved in described in open a sluice gate the rear end of power set matrix and the fixation of described motor rear end plate
Connect.Can be sheathed or do not cover and be set in the ring opened a sluice gate between power set matrix and motor rear end plate on described barrel
Shape pad, it is possible to select suitable annular gasket quantity, opens a sluice gate power set matrix phase for motor rear end plate to adjust
Axial location, and then have adjusted the axial location in on-position lower spring/spring assembly front-end and back-end, have adjusted braking
Spacing in brake disc combination under state and for realizing what spring described in effective brake/spring assembly front end needed to move forward
Distance.
Preferably, the front end of described rotary cylinder is installed with rotary cylinder end cap 312, and described rotary cylinder end cap is ringwise
Inward flange shape, gear is preferably greater than the external diameter of described brake tube in the axially front of described dynamic brake disc, its internal diameter, is thus rotating
Axial limiting to dynamic brake disc/brake disc combination is formed on cylinder.The front end of described brake tube is installed with brake tube end cap,
Preferably, the front end of described brake tube is installed with brake tube end cap 324, and described brake tube end cap is provided with annular
Outward flange, gear described brake stator disk axially front, its external diameter be preferably smaller than described rotary cylinder internal diameter, thus braking
Axial limiting to described brake stator disk/brake disc combination is formed on cylinder.
Preferably, described front stop lever is connected or by spring with being located to rigidly fix between the most described brake disc of rear side
Connect, so that during releasing braking, the brake disc being located at rear side is driven with actuator together backward by front stop lever
Move.
Preferably, at least one described front stop lever is installed with an axially rearwardly extending indicating arm 371, institute
The rearward end stating indicating arm extends outside and is provided with length scale 372, and these scales can observe directly from outside, therefore may be used
To show that described indicating arm under on-position extends in the length of outer portion according to these scales, and then judge described instruction
Axial location change under on-position for the bar front end, judges to be located at axial direction under on-position for the described brake disc of rear side
Change in location, judges that the mill of described friction plate loses situation（Mill loses gross thickness）And under not braking state described brake disc group
Gap total amount in conjunction, judges that never on-position is to the front end forward movement of spring/spring assembly described in on-position
Distance（This distance can be described as the braking distance of spring/spring assembly）.
For ensureing that described indicating arm in axial direction extends to outside, disc spring on indicating arm extension path for the gear and electronic
Corresponding axially extending bore all should be arranged on the parts such as machine rear end cap（Or groove etc.）, so that indicating arm passes through.If by this braking
Device is arranged on inside motor or other equipment, and indicating arm should extend into phase induction motor and other equipment（If any）
Outside, so as to observing directly part and the scale above that indicating arm extends out in actual use.
Preferably, for ensureing retro-speed and brake force, become with the length that indicating arm described under on-position extends outside
Change judge friction plate mill lose situation, according to described friction plate mill lose situation regulation described spring/spring assembly braking away from
From and/or more renewal of facing renewal, the regulative mode of the braking distance of described spring/spring assembly can for following any one or two
Kind：
（1）Pad is set between the rear end of described brake disc combination and described front stop lever, the quantity of described pad is permissible
For one or more, described pad is preferably set in the annular gasket on described brake tube.Increase the total thickness of this pad
Degree, can thus reduce braking under not braking state by axial location under not braking state for the last side disk-braking to reach
Gap in disk combination and the braking distance of described spring/spring assembly, vice versa.
（2）Described open a sluice gate between the rear end of power set matrix and corresponding described fixed support arrange pad, described
The quantity of pad can be one or more, and described pad is preferably set in the annular gasket on described barrel.Increase this
Plant the gross thickness of pad, can will open a sluice gate the axial location of power set matrix to reach, and then drive spring/spring assembly,
Front stop lever and last axial location under not braking state for the side disk-braking, to reach, thus reduce braking under not braking state
Gap in disk combination and the braking distance of described spring/spring assembly, vice versa.
Described power set of opening a sluice gate can be using arbitrarily can making actuator axially move by corresponding move mode and stroke
Dynamic opens a sluice gate power set, and the move mode of actuator and stroke should ensure that and be operationally moved rearwards by, by spring/spring assembly
Front end shift not braking setting position onto, when not working, the front end of without prejudice to spring/spring assembly moves forward to braking
Position.
For example, it is preferable to, described open a sluice gate that power set open a sluice gate power set for electromagnetism, hydraulic pressure opens a sluice gate power set or air pressure
Open a sluice gate power set, these are opened a sluice gate power set and operationally actuator can be pulled back the position setting, and
Actuator is allowed to move forward when not working, the braking maneuver of without prejudice to spring/spring assembly.
As shown in Figure 4 it is preferred that described electromagnetism opens a sluice gate power set includes electric magnet 351 and can be by described electric magnet
The armature 361 of adhesive, described armature is in the form of annular discs or is connected with disk, the circle of described discoid armature or the connection of described armature
Disk and described brake tube open a sluice gate the actuator of power set coaxially and described in constituting, described electric magnet constitute described in open a sluice gate power dress
Put matrix.
As shown in Figure 5 it is preferred that described hydraulic pressure opens a sluice gate the gentle lock power set that press off of power set all includes corresponding cylinder
Body 355 and the piston rod supporting with described cylinder body, the front end 353 of described piston rod extends in outside described cylinder body and is provided with composition institute
State the disk of actuator, described in described cylinder body composition, open a sluice gate power set matrix.Described cylinder body pass through corresponding liquid-transport pipe-line or
Gas pipeline 357 connects Hydraulic Station or compressed gas source 358, and described liquid-transport pipe-line or gas pipeline are provided with electrically-controlled valve to control liquid
Press off the gentle lock power set that press off of lock power set to work.
Allow the movable connection method mutually axially moving can adopt the prior art of any suitable, example alleged by the present invention
As spline connection.For simplifying structure it is preferred that one or more axially extended cunnings can be arranged on the inwall of rotary cylinder
Groove, the axial stroke that track length should meet dynamic brake disc requires, for example, for groove and can be able to be arranged as required to dynamic
The position limiting structure of brake disc axial movement, the slide block of the chute cooperation in setting and rotary cylinder inwall in dynamic brake disc（Or it is outer
Sliding block-shaped protrusion on edge）, the permission being achieved between the outer rim of described dynamic brake disc and the inwall of described rotary cylinder is mutual
The movable connection method of axial movement connects.It is also possible to arrange one or more axially extended on the outer wall of brake tube
Chute, track length should meet brake stator disk axial stroke require, for example can for groove and can be arranged as required to right
Brake stator dish axle to position limiting structure, on brake stator disk setting with braking drum outer wall on chute cooperation slide block（Or inner edge
On sliding block-shaped protrusion）, it is achieved in the mutual axle of permission between the inner edge of described brake stator disk and the outer wall of described brake tube
Connect to the movable connection method of movement.
Alleged by the present invention, dynamic brake disc is interspersed with brake stator disk and refers to described dynamic brake disc and brake stator disk in axial direction
On arrangement mode be：When the quantity of described dynamic brake disc is multiple, it is provided between adjacent dynamic brake disc and is provided only with one
Brake stator disk, when the quantity of described brake stator disk is multiple, is provided with and is provided only with a dynamic braking between adjacent brake stator disk
Disk.Described dynamic brake disc and described brake stator disk are all preferably made up of single disc or are made up of multiple discs
Composite brake disk.
Disclosed by the invention each preferably with optional technological means, unless otherwise indicated and optimization technique means are another
Outside the restriction further of technological means, all can form some different technical schemes in any combination.
Claims (15)
1. an a kind of gear permanent-magnet synchronous direct drive lifting machine, including raising support, the volume that is rotatably mounted on described raising support
Cylinder and for driving the drum driving apparatus of described reel rotation it is characterised in that described drum driving apparatus are with permanent-magnet synchronous
Motor is prime mover, and the outer surface of described reel arranges grooving, and the inwall of described reel is provided with ring gear, described reel
The output gear that drives of driving means is engaged with the ring gear of described reel, and described permasyn morot is built-in polydisc system
Dynamic permasyn morot, described built-in multi-disc brake permasyn morot includes rotor, stator and built-in polydisc system
Dynamic device, described rotor is located in described stator and is rotatably connected with described stator by rotor bearing, the iron core of described stator
It is arranged in motor casing, described motor casing is provided with motor drive end bearing bracket and motor rear end plate, the turning of described rotor
Axle extends out forward and from the axis hole of described motor drive end bearing bracket, constitutes motor output shaft, the rear portion of described rotor is
The tubular section of rear end open, described built-in multi-disc brake device includes rotary cylinder, brake tube, brake disc combination, braking elastic force
Device and open a sluice gate power set, described rotary cylinder is enclosed within the outside of described brake tube, and described brake disc combination inclusion complements one another
Dynamic brake disc and brake stator disk, described dynamic brake disc, brake stator disk, rotary cylinder and brake tube be coaxial, described dynamic brake disc with
Described brake stator disk is interspersed, described dynamic brake disc be in annular, be arranged on the inner side of described rotary cylinder, its outer rim with described
To allow the movable connection method mutually axially moving to connect between the inwall of rotary cylinder, stay between its inner rim and described brake tube
Have spacing, described brake stator disk is in annular, is arranged on the outside of described brake tube, the outer wall of its inner rim and described brake tube it
Between to allow the movable connection method that mutually axially moves to connect, leave spacing between its outer rim and described rotary cylinder, described system
Power apparatus of moving are located at the rear side of described brake disc combination, are provided with and impose forward thrust to the described brake disc being located at rear side
Spring/spring assembly, described power set of opening a sluice gate are arranged in described brake tube, including opening a sluice gate power set matrix and being capable of phase
For the actuator opening a sluice gate the axial movement of power set matrix, described actuator is located at the described front side opening a sluice gate power set matrix
And coupling the front end of described spring/spring assembly, described built-in multi-disc brake device is arranged on the tubular at described rotor rear portion
In section, described rotary cylinder is fixedly mounted on the inwall of tubular section at described rotor rear portion or directly adopts described rotor rear portion
Tubular section, the described rear end opening a sluice gate power set matrix is fixedly connected with described motor rear end plate.
2. a gear permanent-magnet synchronous direct drive lifting machine as claimed in claim 1 is it is characterised in that described permasyn morot
For having the permasyn morot of braking function or being the permasyn morot being not provided with braking function, described permanent magnetism is same
Step motor and described reel between drive connection mode be following any one：
(1) direct drive connects：Described drum driving apparatus do not set decelerator, and described motor output shaft is provided with motor
Output gear, described motor output gear is used as described driving output gear, directly engages with the ring gear of described reel, institute
The main part stating permasyn morot is located in described reel or is located at outside described reel；
(2) pass through decelerator drive connection：Described drum driving apparatus are provided with decelerator, described permasyn morot with described
Decelerator drive connection, described decelerator is located at the axially outer of described reel, and the output shaft of described decelerator axially extends to
The output gear of described decelerator, institute, in described reel, are provided with the output shaft of the described decelerator in described reel
The output gear stating decelerator is used as described driving output gear, engages with the ring gear of described reel, described permanent magnet synchronous electric
The main part of motivation is located in described reel or is located at outside described reel, and described decelerator is furnished with or is not furnished with brake.
3. a gear permanent-magnet synchronous direct drive lifting machine as claimed in claim 2 is it is characterised in that work as described synchronous permanent-magnet motor
When drive connection mode between machine and described reel is by decelerator drive connection, described decelerator slows down for one-level speed change
Machine.
4. a gear permanent-magnet synchronous direct drive lifting machine as claimed in claim 3 is it is characterised in that when described decelerator is furnished with
During brake, the brake that described decelerator is furnished with is disk type electromagnetic brake.
5. a gear permanent-magnet synchronous direct drive lifting machine as claimed in claim 1 is it is characterised in that described reel and described raising
The mode of being rotatably connected of support is to be rotatably connected with fixed-bearing axis by rotationally supporting frame：Described raising support is provided with fixation
Support shaft, be installed with described reel rotate axis vertical rotationally support frame, described rotationally support before frame includes
Rotationally support frame and after rotationally support frame, described fixed-bearing axis are coaxial with described reel, described rotationally support described in frame is enclosed within
It is rotatably connected with described fixed-bearing axis on fixed-bearing axis and by rotationally supporting frame bearing, described raising support is additionally provided with
Fixing reel protecgulum and reel bonnet, described reel protecgulum is located at before described reel between simultaneously leaving and described reel between
Gap, described reel bonnet is located at after described reel and leaves gap and described reel between.
6. a gear permanent-magnet synchronous direct drive lifting machine as claimed in claim 5 is it is characterised in that described permasyn morot
It is arranged on outside described reel.
7. a gear permanent-magnet synchronous direct drive lifting machine as claimed in claim 1 is it is characterised in that described reel and described raising
The mode of being rotatably connected of support is to be rotatably connected with fixed supporting frame by reel bearing：Described raising support is provided with fixing
Bolster, described fixed supporting frame includes front fixed supporting frame and rear fixed supporting frame, and described reel passes through corresponding reel bearing
It is rotatably connected with described fixed supporting frame, described raising support is additionally provided with fixing reel drive end bearing bracket, described reel drive end bearing bracket
And leave gap and described reel between before described reel.
8. a gear permanent-magnet synchronous direct drive lifting machine as claimed in claim 7 is it is characterised in that described permasyn morot
It is arranged in described reel.
9. a gear permanent-magnet synchronous direct drive lifting machine as claimed in claim 1 limits it is characterised in that being additionally provided with lifting altitude
Device, described lifting height limiter is provided with limiter rotating shaft, described limiter rotating shaft and the electricity from described permasyn morot
Motivation output shaft to described reel inner ring between drive mechanism in any revolving part be in transmission connection, when reach restriction rise
During rise, described lifting height limiter controls limiter rotating shaft can not be rotated further along former direction.
10. the gear permanent-magnet synchronous direct drive lifting machine as described in any one in claim 1-9 is it is characterised in that described move
The quantity of brake disc is one or more, and the quantity of described brake stator disk is one or more, the front side panel of described dynamic brake disc
It is equipped with friction plate on face and in the front side card of described brake stator disk.
11. gear permanent-magnet synchronous direct drive lifting machines as claimed in claim 10 are it is characterised in that the number of described dynamic brake disc
Measure as one, the quantity of described brake stator disk is two.
12. gear permanent-magnet synchronous direct drive lifting machines as claimed in claim 10 are it is characterised in that described spring/spring assembly
It is made up of some disc springs, described some disc springs are set on described brake tube, described brake tube front and rear is respectively equipped with axle
To the front waist hole extending and axially extended rear waist hole, described front waist hole and rear waist hole are through hole, fixing on described actuator
The front stop lever stretching out is installed, described front stop lever passes through the front waist hole on described brake tube, its outer section keep off described spring/
The front end of spring assembly, is achieved in coupling of described actuator and described spring/spring assembly front end, described opens a sluice gate power dress
The rear portion putting matrix is installed with the rear pin stretching out, and described rear pin passes through the rear waist hole on described brake tube, its
Outer section of gear in the rear end of described spring/spring assembly, be achieved in described in open a sluice gate power set matrix and described spring/groups of springs
Close the connection of rear end, the quantity of the front waist hole on described brake tube is one or more, the quantity of described front stop lever with described before
The quantity of waist hole is equal, and when the quantity of described front waist hole is multiple, the plurality of front waist hole circumference is uniformly distributed, the plurality of
Front stop lever is one using mode circumferentially distributed with the plurality of front waist hole identical, the quantity of the rear waist hole on described brake tube
Or multiple, the quantity of described rear pin is equal with the quantity of described rear waist hole, when described low back hole number is multiple, described many
Individual rear waist hole circumference is uniformly distributed, and the plurality of rear pin is using mode circumferentially distributed with the plurality of rear waist hole identical.
13. gear permanent-magnet synchronous direct drive lifting machines as claimed in claim 12 are it is characterised in that described open a sluice gate power set
The profile of matrix is in the cylinder coaxial with described brake tube, and its rear end is fixedly connected with the barrel being coaxial therewith, described barrel
Through the axial barrel installing hole on described motor rear end plate and be connected with locking nut, described locking nut is located at described spiral shell
Cylinder installing hole below and is tightened on described barrel, with described open a sluice gate power set matrix together with grip from front and back both sides described in
On motor rear end plate, be achieved in described in open a sluice gate the rear end of power set matrix and described motor rear end plate fixing even
Connect, the front end of described rotary cylinder is installed with rotary cylinder end cap, described rotary cylinder end cap inward flange shape ringwise, and gear is in institute
State the axially front of brake disc, the front end of described brake tube is installed with brake tube end cap, and described brake tube end cap is provided with
The outward flange of annular, gear is in the axially front of described brake stator disk.
14. gear permanent-magnet synchronous direct drive lifting machines as claimed in claim 13 are it is characterised in that at least one described front
One axially rearwardly extending indicating arm is installed with bar, the rearward end of described indicating arm extends outside and is provided with length
Scale, the length change being extended outside with indicating arm described under on-position judges that the mill of described friction plate loses situation, according to institute
The mill stating friction plate loses the braking distance that situation adjusts described spring/spring assembly, needs when the mill of friction plate loses total amount prompting
More renewal of facing renewal during more renewal of facing renewal, the regulative mode of the braking distance of described spring/spring assembly be following any one or
Two kinds：
(1) pad is set between the rear end of described brake disc combination and described front stop lever, the quantity of described pad be one or
Multiple, described pad is the annular gasket being set on described brake tube；
(2) open a sluice gate to arrange pad, the quantity of described pad between the rear end of power set matrix and described fixed support described
For one or more, described pad is the annular gasket being set on described barrel.
15. gear permanent-magnet synchronous direct drive lifting machines as claimed in claim 14 are it is characterised in that described open a sluice gate power set
Open a sluice gate power set for electromagnetism, hydraulic pressure opens a sluice gate power set or air pressure opens a sluice gate power set, described electromagnetism opens a sluice gate power set bag
Include electric magnet and can be by the armature of described electromagnetic actuation, described armature is in the form of annular discs or is connected with disk, described discoid
Armature or described the armature disk and the described brake tube that connect open a sluice gate the actuator of power set coaxially and described in constituting, described
Electric magnet opens a sluice gate power set matrix described in constituting, and described hydraulic pressure is opened a sluice gate the gentle lock power set that press off of power set and all included phase
The cylinder body answered and the piston rod supporting with described cylinder body, the front end of described piston rod extends in outside described cylinder body and is provided with composition institute
State the disk of actuator, described in described cylinder body composition, open a sluice gate power set matrix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510143363.5A CN104803310B (en) | 2015-03-30 | 2015-03-30 | One gear permanent-magnet synchronous direct drive lifting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510143363.5A CN104803310B (en) | 2015-03-30 | 2015-03-30 | One gear permanent-magnet synchronous direct drive lifting machine |
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| Publication Number | Publication Date |
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| CN104803310A CN104803310A (en) | 2015-07-29 |
| CN104803310B true CN104803310B (en) | 2017-03-08 |
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| CN201510143363.5A Active CN104803310B (en) | 2015-03-30 | 2015-03-30 | One gear permanent-magnet synchronous direct drive lifting machine |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110098700B (en) * | 2019-05-08 | 2020-09-01 | 淮阴师范学院 | An AC permanent magnet synchronous motor structure that is convenient for precise control and drive |
| CN112383204B (en) * | 2020-10-19 | 2022-10-14 | 北京精密机电控制设备研究所 | Permanent magnet brake with double-rotor structure |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1180040B (en) * | 1963-02-05 | 1964-10-22 | Helin Hagener Elek Zitaets Ind | Automatic braking device on induction motors with cylindrical short-circuit runner active over the entire stator length |
| FR2135689A5 (en) * | 1971-03-09 | 1972-12-22 | Potain Sa | |
| CN85201579U (en) * | 1985-05-20 | 1986-07-09 | 姜光圻 | Hoister built-in an electric motor and reducing mechanism |
| CN2807586Y (en) * | 2005-06-23 | 2006-08-16 | 河南省远东起重建筑机械有限公司 | Solid rotor brake motor |
| CN102185414B (en) * | 2011-04-01 | 2013-09-25 | 喻连生 | Low-speed outer rotor permanent magnet drive device with rotating speed of outer cylinder being 0.001r/min-30r/min |
| CN203345988U (en) * | 2013-06-09 | 2013-12-18 | 中铁科工集团有限公司 | Open type transmission hoisting winch with subsection type big gear ring |
| CN104158375B (en) * | 2014-08-21 | 2017-02-01 | 江西工埠机械有限责任公司 | Super-low-speed high-torque motor and crane with motor |
| CN204778532U (en) * | 2015-03-30 | 2015-11-18 | 江西工埠机械有限责任公司 | Synchronous machine of liter that has directly driven of a gear permanent magnetism |
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2015
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Denomination of invention: One gear permanent magnet synchronous direct drive hoist Granted publication date: 20170308 Pledgee: Jiangxi Bank Co.,Ltd. Yichun Zhangshu Sub branch Pledgor: JIANGXI GONG BU MACHINERY Co.,Ltd. Registration number: Y2024980030051 |