CN204778532U - Synchronous machine of liter that has directly driven of a gear permanent magnetism - Google Patents
Synchronous machine of liter that has directly driven of a gear permanent magnetism Download PDFInfo
- Publication number
- CN204778532U CN204778532U CN201520183576.6U CN201520183576U CN204778532U CN 204778532 U CN204778532 U CN 204778532U CN 201520183576 U CN201520183576 U CN 201520183576U CN 204778532 U CN204778532 U CN 204778532U
- Authority
- CN
- China
- Prior art keywords
- reel
- brake
- engine installation
- sluice gate
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Braking Arrangements (AREA)
Abstract
The utility model relates to a synchronous machine of liter that has directly driven of a gear permanent magnetism, it uses built -in polydisc braking permanent -magnet machine to rotate as the reel that prime mover drive the machine of rising, is equipped with the ring gear on the inner wall of reel, reel drive arrangement's drive output gear and the ring gear meshing of reel, built -in polydisc braking permanent -magnet machine's rotor rear portion embeds has polydisc arresting gear, is formed by the combination of braking elastic appliance promotion brake disc during the cold and brakies, applys the brake force in the brake disc combination through switching off power device brake off elastic appliance after the circular telegram. The utility model discloses light in weight, small, the speed governing scope is wide, and the operation is convenient with control, safe and reliable to can obviously reduce manufacturing cost and working costs.
Description
Technical field
The utility model relates to an a kind of gear permanent-magnet synchronous direct drive lifting machine.
Background technology
Due to PMSM Speed wide ranges, exert oneself large, and allow to run under comparatively slow speed of revolution, when permagnetic synchronous motor being used for the equipment such as hoisting crane, the requirement to retarder can be reduced significantly, and then simplification even cancels retarder, but because current permasyn morot is not provided with built-in brake equipment, when arranging independently brake equipment separately for needing during the equipment such as hoisting crane, conventional brake equipment is caliper brake device, be arranged on the side of reel, by brake clamp clamp braking flange or brake disc to brake.This braking is realized in order to coordinate, the diameter of braking flange is often larger, add the installation of caliper brake device, need to take larger space, particularly at reel in the radial direction, seriously limit the application of permasyn morot in fields such as hoisting cranes thus, in addition, current people still continue to use the speed reduction gearing of AC induction motor, by supporting for the speed reduction gearing of permagnetic synchronous motor and this complexity, also cannot give full play of the advantage of permagnetic synchronous motor.
Utility model content
The purpose of this utility model is to provide an a kind of gear permanent-magnet synchronous direct drive lifting machine, to give full play of the advantage of permagnetic synchronous motor, simplifies transmission device, reduces machine volume, reduce manufacturing cost and over-the-road expense.
The technical solution of the utility model is: an a kind of gear permanent-magnet synchronous direct drive lifting machine (also can be called a gear permanent-magnet synchronous direct drive lifting mechanism), comprise the support that hoists, be rotatably mounted on described in hoist the reel on support and the drum driving apparatus for driving described reel to rotate, described drum driving apparatus take permasyn morot as primary mover, the inwall of described reel is provided with internally toothed annulus, and the driver output gear of described drum driving apparatus engages with the internally toothed annulus of described reel.
Described permasyn morot is preferably built-in multi-disc brake permasyn morot, described built-in multi-disc brake permasyn morot comprises rotor, stator and built-in multi-disc brake device, described rotor is positioned at described stator and is rotaryed connection with described stator by rotor-bearing, the iron core of described stator is arranged in motor casing, described motor casing is provided with electrical motor front end cover and motor rear end plate, the rotating shaft of described rotor forward and extend out from the axis hole of described electrical motor front end cover, form motor output shaft, the rear portion of described rotor is the tubular section of rear end open, described built-in multi-disc brake device comprises rotary cylinder, brake tube, brake disc combines, brake elastic force apparatus and open a sluice gate engine installation, described rotary cylinder is enclosed within the outside of described brake tube, described brake disc combination comprises the dynamic brake disc and brake stator dish that complement one another, described dynamic brake disc, brake stator dish, rotary cylinder and brake tube coaxial, described dynamic brake disc and described brake stator dish are interspersed, described dynamic brake disc is annular arrangement, be arranged on the inner side of described rotary cylinder, to allow the movable connection method mutually moved axially to be connected between its outer rim and the inwall of described rotary cylinder, spacing is left between its inner rim and described brake tube, described brake stator dish is annular arrangement, be arranged on the outside of described brake tube, to allow the movable connection method mutually moved axially to be connected between its inner rim and the outer wall of described brake tube, spacing is left between its outer rim and described rotary cylinder, described braking elastic force apparatus is positioned at the rear side of described brake disc combination, be provided with the spring imposing forward thrust to the described brake disc being positioned at rear side, described engine installation of opening a sluice gate is arranged in described brake tube, comprise and open a sluice gate engine installation matrix and can relative to the actuator of opening a sluice gate engine installation matrix and moving axially, open a sluice gate the front side of engine installation matrix described in described actuator is positioned at and connect the front end of described spring, described built-in multi-disc brake device is arranged in the tubular section at described rotor rear portion, on the inwall that described rotary cylinder is fixedly mounted on the tubular section at described rotor rear portion or directly adopt the tubular section at described rotor rear portion, described rear end of opening a sluice gate engine installation matrix is fixedly connected with described motor rear end plate.
The beneficial effects of the utility model are: be primary mover owing to adopting described drum driving apparatus with permasyn morot, there is the advantages such as volume is little, large, the speed-regulating range width of exerting oneself, and under suitable reel mounting structure, can permasyn morot be arranged in reel, further reduce the volume of complete machine thus, facilitate operation; Owing to being provided with internally toothed annulus in reel, the diameter of such internally toothed annulus and the number of teeth are much larger than the diameter of conventional gear and the number of teeth, engaged with internally toothed annulus by driver output gear, just can realization and reel drive be connected while realize larger reduction ratio, simultaneously also because permasyn morot can export lower rotating speed, a gear transmission is made to become possibility thus; Owing to have employed unique built-in multi-disc brake permasyn morot, the volume of its built-in multi-disc brake device is little, braking force is large, and compact conformation, connection mode is reasonable, do not affect the normal operating characteristic of permasyn morot after being built in permasyn morot, be conducive to keeping the advantages such as permasyn morot speed-regulating range width while there is braking function; Owing to being provided with built-in multi-disc brake device, when after the equipment such as the lifting mechanism for hoisting crane, no longer need to arrange outside caliper brake device, space hold can be reduced significantly thus, and can the overall structure of simplified apparatus significantly, effectively reduce manufacturing cost and over-the-road expense, simultaneously also owing to becoming the braking to primary mover by under prior art to the braking of power element, not only brake more reliable, also reduce waste of power unnecessary between primary mover to power element and mechanical wear; Owing to adopting whole disc braking, frictional contact surface between brake disc and friction lining or between friction lining and friction lining is large, and the brake disc quantity be suitable for can be selected as required, enough large braking force can be obtained under enough little volume, be enough to realize braking effect required under the application scenarios such as hoisting crane; Owing to relying on the application force of spring promptly can realize braking when not working, retro-speed is fast, good reliability, even if under the particular cases such as accident power-off, also effectively can realize braking, which thereby enhance safety.The utility model is lightweight, and volume is little, speed-regulating range width, and operation and controlling is convenient, safe and reliable, and can obviously reduce manufacturing cost and over-the-road expense.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of the utility model;
Fig. 2 is the structural representation of the another kind of embodiment of the utility model;
Fig. 3 is the structural representation of a kind of built-in multi-disc brake permasyn morot that the utility model relates to;
Fig. 4 is the structural representation of a kind of built-in multi-disc brake device that the utility model relates to;
Fig. 5 is the structural representation of the built-in multi-disc brake device of another kind that the utility model relates to.
Detailed description of the invention
See Fig. 1-5, a gear permanent-magnet synchronous direct drive lifting machine disclosed in the utility model, comprise the support (not shown) that hoists, hoist described in being rotatably mounted on the reel 510 on support and the drum driving apparatus for driving described reel to rotate, the outside face of described reel can arrange grooving 511 usually, and be provided with rope guarding plate or other rope anchor fittings 512, described drum driving apparatus with permasyn morot 100 for primary mover, the inwall of described reel is provided with internally toothed annulus 531, the driver output gear of described drum driving apparatus engages with the internally toothed annulus of described reel.During installation; the outer rim of described internally toothed annulus can fit together closely with described mandrel interior wall; such as adopt the mode of interference fit or transition fit; and the parts such as the internally toothed annulus capping being used for fixing or protection internally toothed annulus can be set in the one or both sides of internally toothed annulus; if desired, can also be undertaken being connected by screw, pin and key etc. and fastening.For the purpose of safety and clean and tidy phase, the outside of described reel can also be provided with reel outer cover 562.
Optionally, described permasyn morot is have the permasyn morot (i.e. permanent-magnet synchronous brake motor) of braking function or the permasyn morot for not being provided with braking function.
Preferably, the driving connection mode between described permasyn morot and described reel be following any one:
(1) Direct driver connects: described drum driving apparatus does not establish retarder, described motor output shaft 210 is provided with electrical motor output gear 212, described electrical motor output gear is used as described driver output gear, directly engage with the internally toothed annulus of described reel, the base portion of described permasyn morot (comprise motor casing and be positioned at the part of motor casing) is positioned at described reel or is positioned at outside described reel;
(2) connection is driven by retarder: described drum driving apparatus is provided with retarder 400, described permasyn morot drives with described retarder and is connected, described retarder is positioned at the axially outside of described reel, the output shaft of described retarder axially extends in described reel, the output shaft being positioned at the described retarder of described reel is provided with the output gear 412 of described retarder, the output gear of described retarder is used as described driver output gear, engage with the internally toothed annulus of described reel, the base portion of described permasyn morot is positioned at described reel or is positioned at outside described reel, the preferred one-level variable speed reducer of described retarder (also can be described as and singly drive reductor), such as single stage gear reducer, described retarder is furnished with or is not furnished with drg 720, the preferred disk type electromagnetic brake of drg that described retarder is furnished with.
Preferably, described reel and the described support that hoists rotary connection mode be following any one:
(1) rotaryed connection with fixed-bearing axis by swivel bearing frame: described in the support that hoists be provided with fixed-bearing axis 541, described reel internal fixtion is provided with the swivel bearing frame vertical with its rotation axis, the quantity of described swivel bearing frame is preferably 2, comprise front swivel bearing frame 521 and rear swivel bearing frame 522, described fixed-bearing axis coaxial with described reel (namely the rotation axis of described reel is overlapping with the center line axis of described fixed-bearing axis), described swivel bearing frame to be enclosed within described fixed-bearing axis and to be rotaryed connection with described fixed-bearing axis by swivel bearing frame bearing, the described support that hoists also is provided with fixing reel protecgulum 542 and reel bonnet 543, described reel protecgulum also and between described reel leaves gap before described reel, described reel bonnet also and between described reel leaves gap after described reel, when described permasyn morot is arranged on outside described reel, described reel and the described support that hoists rotary connection the preferred this connection mode of mode, when described permasyn morot is arranged in described reel, should avoid mutually hindering between described permasyn morot and swivel bearing frame,
(2) rotaryed connection with fixed supporting frame by reel bearing: described in the support that hoists be provided with fixed supporting frame, the quantity of described fixed supporting frame is preferably 2, comprise front fixed supporting frame 551 and rear fixed supporting frame 552, described reel is rotaryed connection with described fixed supporting frame by corresponding reel bearing, the described support that hoists also is provided with fixing reel front end cover 561, described reel front end cover also and between described reel leaves gap before described reel, when described permasyn morot is arranged in described reel, described reel and the described support that hoists rotary connection the preferred this connection mode of mode, permasyn morot can be arranged on the fixing part on described rear support bracket or in other suitable reels, also permasyn morot can be arranged on the outside of reel as required.
Preferably, this lifting machine is also provided with height limitator 710, described height limitator is provided with limiting device rotating shaft, described limiting device axle and being in transmission connection to any revolving part in the transmission device between the inner ring of described reel from the motor output shaft of described permasyn morot, such as described limiting device rotating shaft be provided with the internally toothed annulus gears in mesh 712(in described reel as shown in Figure 2), or described limit rotary shaft is provided with the electrical motor output gear gears in mesh with described permasyn morot, or described limit rotary shaft connects with the motor output shaft axle of described permasyn morot, when reaching the lifting altitude of restriction, described height limitator controls limiting device rotating shaft and can not be rotated further along former direction.Determine because lifting altitude can be rotated (or electrical motor rotation) by reel, therefore lifting altitude data can be obtained by arranging the modes such as coder, such as the rotating cycle of lifting altitude limiting gear is mapped with setting lifting altitude threshold value, when lifting altitude limiting gear forwards corresponding rotating cycle to, by the locked lifting altitude limiting gear of the mode rotation in the same direction of electron steering or Mechanical course, only allow to rotate round about, realize the restriction to lifting altitude thus.
Preferably, described permasyn morot is employing permanent-magnet synchronous brake motor, by the braking function of electrical motor, external brake equipment can be omitted, significantly simplified apparatus structure thus, significantly reduces volume, significantly reduces manufacturing cost and operating cost.
Preferably, described permanent-magnet synchronous brake motor is built-in multi-disc brake permasyn morot, to ensure braking effect.
Interior preferred, described built-in multi-disc brake permasyn morot comprises rotor 220, stator and built-in multi-disc brake device, described rotor is positioned at described stator and is rotaryed connection with described stator by bearing, the iron core 120 of described stator is arranged in the motor casing 110 of motor, described motor casing is provided with electrical motor front end cover 112 and motor rear end plate 113, the rotating shaft 210 of described rotor forward and extend out from the axis hole of described electrical motor front end cover, form motor output shaft, output gear 212 is installed usually, the rear portion of described rotor is the tubular section of rear end open, be provided with can hold described built-in multi-disc brake device cylinder in space 221, described built-in multi-disc brake device comprises rotary cylinder 311, brake tube 321, brake disc combination 330, brake elastic force apparatus and open a sluice gate engine installation 350, described rotary cylinder is enclosed within the outside of described brake tube, described brake disc combination comprises the dynamic brake disc 331 and brake stator dish 332 that complement one another, described dynamic brake disc, brake stator dish, rotary cylinder and brake tube coaxial, described dynamic brake disc and described brake stator dish are interspersed, described dynamic brake disc is annular arrangement, be arranged on the inner side of described rotary cylinder, to allow the movable connection method mutually moved axially to be connected between its outer rim and the inwall of described rotary cylinder, spacing is left between its inner rim and described brake tube, described brake stator dish is annular arrangement, be arranged on the outside of described brake tube, to allow the movable connection method mutually moved axially to be connected between its inner rim and the outer wall of described brake tube, spacing is left between its outer rim and described rotary cylinder, described braking elastic force apparatus is positioned at the rear side of described brake disc combination, be provided with the spring 341 imposing forward thrust to the described brake disc being positioned at rear side, described engine installation of opening a sluice gate is arranged in described brake tube, comprise and open a sluice gate engine installation matrix and can relative to the actuator of opening a sluice gate engine installation matrix and moving axially, open a sluice gate the front side of engine installation matrix described in described actuator is positioned at and connect the front end of described spring, described built-in multi-disc brake device is arranged in the tubular section at described rotor rear portion, on the inwall that described rotary cylinder is fixedly mounted on the tubular section at described rotor rear portion or directly adopt the tubular section at described rotor rear portion, described rear end of opening a sluice gate engine installation matrix is fixedly connected with described motor rear end plate.Make to open a sluice gate engine installation synchronous with the stator coil of motor electric and power-off, when machine operation, built-in multi-disc brake device is in not braking mode, by the actuator of opening a sluice gate engine installation, the front end of spring is pushed away brake disc to combine, releasing is applied to the braking force in brake disc combination by spring, when motor does not work, built-in multi-disc brake device is in braking mode, even in the course of the work during power-off suddenly, brake equipment open a sluice gate engine installation also simultaneously power-off be converted to brake equipment by not braking mode, under braking mode, each brake disc (comprising dynamic brake disc and brake stator dish) in brake disc combination pushes away forward by the spring of built-in multi-disc brake device, make it mutually to be pressed on together, rely on friction force between brake disc (friction lining), rotary cylinder is stopped operating and continues to remain on stop state, ensure that rotor can not rotate thus.
The quantity of described brake disc (dynamic brake disc and brake stator dish) can be selected, as required to take into account the requirement of each side such as braking force, volume and cost.
Optionally, the quantity of described dynamic brake disc can be one, also can be multiple.
Optionally, the quantity of described brake stator dish can be one, also can be multiple.
Such as, a kind of preferred mode is that the quantity of described dynamic brake disc is one, and the quantity of described brake stator dish is two, and in the axial direction, described two brake stator dishes lay respectively at the both sides, front and back of single described dynamic brake disc.
Preferably, friction lining is equipped with in the front side card of described dynamic brake disc and in the front side card of described brake stator dish, the material of brake disc and friction lining can be selected according to prior art, to ensure that brake disc does not grind mistake substantially, and when friction lining mill loses to a certain extent, as long as more renewal of facing renewal, without the need to carrying out the replacing of brake disc or the combination of whole brake disc.
Friction lining is arranged in the front side card of brake disc, is conducive to the structure optimization realizing brake disc combination and auxiliary equipment of being correlated with.Such as, (quantity of brake stator is such as adopted to be 2 when the brake disc of front side is brake stator dish, when the quantity of dynamic brake disc is the brake disc combination of 1), a fixing rotary cylinder end cap 312 can be set in the front end of rotary cylinder, this rotary cylinder end cap is inward flange shape, gear is in the axial front of dynamic brake disc, and can brake area be provided with, brake area on described rotary cylinder end cap same or similar with the brake area on described dynamic brake disc (in shape and/or size to some extent difference but can play drag friction effect equally), actv. drag friction is formed with the brake stator dish of front side in braking procedure, by the setting of this rotary cylinder end cap, not only on rotary cylinder, actv. axial limiting be collectively form to dynamic brake disc and brake disc, to ensure brake action and to avoid dynamic brake disc from the slippage of rotary cylinder front end, but also effectively improve braking force.
When described DC permanent magnet motor drives the internally toothed annulus of reel by employing retarder, braking by this motor interior with drg brake, brake mode is also normally closed, energising is opened, no power closes, also can add a drg at retarder again relative to the opposite side of braking motor, form two braking pattern.
Preferably, described spring is made up of some disc springs, to improve braking force, ensures reliability, reduces space hold.
Preferably, described some disc springs are set on described brake tube, form the disc spring combination be stacked vertically thus, and realize fixing the radial direction of disc spring combination by brake tube, simplify the mounting structure of disc spring combination.
Preferably, described brake tube front and rear is respectively equipped with axially extended Attacking Midfielder hole 322 and axially extended low back hole 323, described Attacking Midfielder hole and low back hole are through hole, described actuator is installed with outward extending front stop lever 362, described front stop lever is through the Attacking Midfielder hole on described brake tube, its outer section gear is in the front end of described spring, realize connecting of described actuator and described spring at front end thus, described rear portion of opening a sluice gate engine installation matrix is installed with outward extending rear pin 352, described rear pin is through the low back hole on described brake tube, its outer section gear is in the rear end of described spring, connecting of engine installation matrix and described spring rear end is opened a sluice gate described in realizing thus.Simultaneously, owing to being arranged to waist-shaped hole by this for the through hole through pin, therefore allow to adjust the axial location of opening a sluice gate engine installation matrix and actuator as required, adjustment requirement in position during to adapt to install, and, when cause because of the mistake of friction lining mill brake disc combine in occur comparatively wide arc gap time, the clearance control in brake disc combines by the axial location can opening a sluice gate engine installation matrix and actuator by adjustment in certain limit, to ensure braking characteristics.
Described front stop lever can adopt can be fixedly mounted on arbitrarily and open a sluice gate on engine installation matrix and the part/assembly that can keep off respectively at spring at front end.Described rear pin can adopt and can be fixedly mounted on arbitrarily on actuator and the part/assembly that can keep off respectively in spring at front end rear end.
Such as, optionally, described front stop lever and rear pin can adopt respectively to be fixedly mounted on described actuator and to be fixedly mounted on described in open a sluice gate pin on engine installation matrix or screw etc.According to actual needs, described pin or screw can be fixed with or not arrange the part of prolongation effect.
Preferably, the quantity in described Attacking Midfielder hole is identical with the quantity of described front stop lever, so that one_to_one corresponding.
Preferably, the quantity in described low back hole is identical with the quantity of described rear pin, so that one_to_one corresponding.
Optionally, the quantity in the Attacking Midfielder hole on described brake tube can be one, also can be multiple, and correspondingly, the quantity of the front stop lever on described actuator is also one or more.
When the quantity in the Attacking Midfielder hole on described brake tube is multiple, preferably, described multiple Attacking Midfielder holes circumference is uniformly distributed, and the quantity of described multiple front stop lever is equal with the quantity in described multiple Attacking Midfielder hole and adopt identical circumferential distribution mode, to realize producing balanced forces.
Optionally, the quantity in the low back hole on described brake tube can be one, also can be multiple, correspondingly, described in open a sluice gate the rear pin on engine installation matrix quantity also for one or more.
When the quantity in the low back hole on described brake tube is multiple, preferably, described multiple low back holes circumference is uniformly distributed, and the quantity of described multiple rear pin is equal with the quantity in described multiple low back hole and adopt identical circumferential distribution mode, to realize producing balanced forces.
Preferably, described in open a sluice gate engine installation matrix profile in coaxial cylindrical of described brake tube to install and fixing, and be conducive to saving space.
Preferably, described rear end of opening a sluice gate engine installation matrix is fixedly connected with the barrel 353 coaxial with it, described barrel passes the axial barrel mounting hole on described motor rear end plate and is connected with jam nut 354, described jam nut be positioned at described barrel mounting hole below and be tightened on described barrel, grip described motor rear end plate from both sides, front and back with described opening a sluice gate together with engine installation matrix, described in realizing thus, open a sluice gate the rear end of engine installation matrix and being fixedly connected with of described motor rear end plate.Can be sheathed or do not overlap the annular gasket being set in and opening a sluice gate between engine installation matrix and motor rear end plate on described barrel, and suitable annular gasket quantity can be selected, the axial location of engine installation matrix phase for motor rear end plate is opened a sluice gate with adjustment, and then the axial location that have adjusted in braking mode lower spring front-end and back-end, have adjusted spacing under braking mode in brake disc combination and for realizing the distance that spring at front end described in effective brake needs to move forward.
Preferably, the front end of described rotary cylinder is installed with rotary cylinder end cap 312, the ringwise inward flange shape of described rotary cylinder end cap, gear is in the axial front of described dynamic brake disc, its internal diameter is preferably greater than the external diameter of described brake tube, forms the axial limiting to dynamic brake disc/brake disc combination thus on rotary 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, described brake tube end cap is provided with the outward flange of annular, gear is in the axial front of described brake stator dish, its external diameter is preferably less than the internal diameter of described rotary cylinder, forms the axial limiting to described brake stator dish/brake disc combination thus on brake tube.
Preferably, described front stop lever is connected or is connected by spring with rigidly fixing between the described brake disc of rear side, so that in the process of brake off, drives the brake disc be positioned at together to move backward with actuator by front stop lever.
Preferably, front stop lever described at least one is installed with an indicator stem extended back vertically 371, the rearward end of described indicator stem extends in outer and is provided with length scale 372, these scales can observe directly from outside, therefore under can demonstrating braking mode according to these scales, described indicator stem extends in the length of outer part, and then judge the axial location change of described indicator stem front end under braking mode, judge the axial location change of described brake disc under braking mode being positioned at rear side, judge that the mill of described friction lining loses situation (mill lose gross thickness) and the gap total amount under not braking mode in described brake disc combination, judge the distance (this distance can be described as the stopping distance of spring) that the front end of never spring described in braking mode to braking mode moves forward.
For ensureing that described indicator stem in axial direction extends to outside, keeping off and the parts such as disc spring on indicator stem extension path and motor rear end plate all should arrange corresponding axially extending bore (or groove etc.), passing for indicator stem.If this brake equipment to be arranged on electrical motor or other device interiors, indicator stem should extend to the outside of phase induction motor and other equipment (if any), can observe directly part that indicator stem extends out and scale above in actual use.
Preferably, for ensureing retro-speed and braking force, extend in outer length variations with indicator stem described under braking mode and judge that the mill of friction lining loses situation, mill according to described friction lining loses stopping distance and/or the more renewal of facing renewal that situation regulates described spring, and the regulative mode of the stopping distance of described spring can be following any one or two kinds:
(1) between the rear end that described brake disc combines and described front stop lever, arrange pad, the quantity of described pad can be one or more, and described pad is preferably set in the annular gasket on described brake tube.Increase the gross thickness of this pad, can by the axial location of last side disk-braking under not braking mode to reach, reduce the stopping distance of gap under not braking mode in brake disc combination and described spring thus, vice versa.
(2) arrange pad described opening a sluice gate between the rear end of engine installation matrix and corresponding described fixed support, the quantity of described pad can be one or more, and described pad is preferably set in the annular gasket on described barrel.Increase the gross thickness of this pad, can will open a sluice gate the axial location of engine installation matrix to reach, and then drive spring, front stop lever and the last side disk-braking axial location under not braking mode to reach, reduce the stopping distance of gap under not braking mode in brake disc combination and described spring thus, vice versa.
Described open a sluice gate engine installation can adopt actuator can be made arbitrarily to move axially by corresponding move mode and stroke open a sluice gate engine installation, the move mode of actuator and stroke should ensure operationally to move backward, the front end of spring being shifted onto the desired location do not braked, not hindering when not working the front end of spring to move forward to braking position.
Such as, preferably, described engine installation of opening a sluice gate is that electromagnetism opens a sluice gate engine installation, hydraulic pressure opens a sluice gate engine installation or air pressure opens a sluice gate engine installation, these open a sluice gate the position that actuator operationally can both be pulled back setting by engine installation, and allow actuator to move forward when not working, do not hinder the braking maneuver of spring.
As shown in Figure 4, preferably, described electromagnetism is opened a sluice gate engine installation and is comprised electromagnet 351 and can by the armature 361 of described electromagnetic actuation, described armature is in the form of annular discs or be connected with disk, open a sluice gate the actuator of engine installation described in the disk that described discoid armature or described armature connect and described brake tube are coaxially also formed, described in described electromagnet is formed, open a sluice gate engine installation matrix.
As shown in Figure 5, preferably, described hydraulic pressure is opened a sluice gate the gentle lock engine installation that presses off of engine installation and is included corresponding cylinder body 355 and the piston rod supporting with described cylinder body, it is outer and be provided with the disk forming described actuator that the front end 353 of described piston rod extends in described cylinder body, opens a sluice gate engine installation matrix described in described cylinder body formation.Described cylinder body connects Hydraulic Station or compressed gas source 358 by corresponding liquid-transport pipe-line or gas line 357, and described liquid-transport pipe-line or gas line are provided with electrically-controlled valve and open a sluice gate with hydraulic control that engine installation is gentle presses off the work of lock engine installation.
Allow the movable connection method mutually moved axially can adopt the prior art of any suitable, such as spline joint alleged by the utility model.For simplified structure, preferably, can one or more axially extended chute be set on the inwall of rotary cylinder, track length should meet the axial stroke requirement of dynamic brake disc, such as groove, also the position limiting structure moved axially dynamic brake disc can be set as required, dynamic brake disc arranges the slide block (or the sliding block-shaped protrusion in outer rim) coordinated with the chute on rotary cylinder inwall, and the movable connection method mutually moved axially that allows realized thus between the outer rim of described dynamic brake disc and the inwall of described rotary cylinder is connected.Equally, can one or more axially extended chute be set on the outer wall of brake tube, track length should meet the axial stroke requirement of brake stator dish, such as can be groove and the position limiting structure to brake stator dish axis can be set as required, brake stator dish arranges the slide block (or the sliding block-shaped protrusion on inner edge) coordinated with the chute on brake tube outer wall, and the movable connection method mutually moved axially that allows realized thus between the inner edge of described brake stator dish and the outer wall of described brake tube is connected.
The alleged dynamic brake disc of the utility model and brake stator dish are interspersed and refer to that described dynamic brake disc and brake stator dish arrangement mode are in the axial direction: when the quantity of described dynamic brake disc is multiple, be provided with between adjacent dynamic brake disc and be only provided with a brake stator dish, when the quantity of described brake stator dish is multiple, is provided with between adjacent brake stator dish and is only provided with a dynamic brake disc.Described dynamic brake disc and described brake stator dish is all preferred is made up of single disc also can be the composite brake dish be made up of multiple disc.
Disclosed in the utility model each preferably and alternatives means, unless otherwise indicated and optimization technique means be outside the further restriction of another technological means, all can combination in any, form some different technical schemes.
Claims (14)
1. a gear permanent-magnet synchronous direct drive lifting mechanism, comprise the support that hoists, be rotatably mounted on described in hoist the reel on support and the drum driving apparatus for driving described reel to rotate, it is characterized in that described drum driving apparatus take permasyn morot as primary mover, the inwall of described reel is provided with internally toothed annulus, and the driver output gear of described drum driving apparatus engages with the internally toothed annulus of described reel.
2. a gear permanent-magnet synchronous direct drive lifting mechanism as claimed in claim 1, it is characterized in that described permasyn morot be have braking function permasyn morot or for not being provided with the permasyn morot of braking function, the driving connection mode between described permasyn morot and described reel be following any one:
(1) Direct driver connects: described drum driving apparatus does not establish retarder, described motor output shaft is provided with electrical motor output gear, described electrical motor output gear is used as described driver output gear, directly engage with the internally toothed annulus of described reel, the base portion of described permasyn morot is positioned at described reel or is positioned at outside described reel;
(2) connection is driven by retarder: described drum driving apparatus is provided with retarder, described permasyn morot drives with described retarder and is connected, described retarder is positioned at the axially outside of described reel, the output shaft of described retarder axially extends in described reel, the output shaft being positioned at the described retarder of described reel is provided with the output gear of described retarder, the output gear of described retarder is used as described driver output gear, engage with the internally toothed annulus of described reel, the base portion of described permasyn morot is positioned at described reel or is positioned at outside described reel, described retarder is furnished with or is not furnished with drg.
3. a gear permanent-magnet synchronous direct drive lifting mechanism as claimed in claim 2, when it is characterized in that driving connection mode between described permasyn morot with described reel is connected for being driven by retarder, described retarder is one-level variable speed reducer.
4. a gear permanent-magnet synchronous direct drive lifting mechanism as claimed in claim 3, is characterized in that the drg that described retarder is furnished with is disk type electromagnetic brake.
5. a gear permanent-magnet synchronous direct drive lifting mechanism as claimed in claim 2, when it is characterized in that driving connection mode between described permasyn morot with described reel is connected for being driven by retarder, the drg that described retarder is furnished with is disk type electromagnetic brake.
6. a gear permanent-magnet synchronous direct drive lifting mechanism as claimed in claim 1, it is characterized in that described reel and the described support that hoists rotary connection mode be following any one:
(1) rotaryed connection with fixed-bearing axis by swivel bearing frame: described in the support that hoists be provided with fixed-bearing axis, described reel internal fixtion is provided with the swivel bearing frame vertical with its rotation axis, described swivel bearing frame comprises front swivel bearing frame and rear swivel bearing frame, described fixed-bearing axis is coaxial with described reel, described swivel bearing frame to be enclosed within described fixed-bearing axis and to be rotaryed connection with described fixed-bearing axis by swivel bearing frame bearing, the described support that hoists also is provided with fixing reel protecgulum and reel bonnet, described reel protecgulum also and between described reel leaves gap before described reel, described reel bonnet also and between described reel leaves gap after described reel,
(2) rotaryed connection with fixed supporting frame by reel bearing: described in the support that hoists be provided with fixed supporting frame, described fixed supporting frame comprises front fixed supporting frame and rear fixed supporting frame, described reel is rotaryed connection with described fixed supporting frame by corresponding reel bearing, the described support that hoists also is provided with fixing reel front end cover, and described reel front end cover also and between described reel leaves gap before described reel.
7. a gear permanent-magnet synchronous direct drive lifting mechanism as claimed in claim 1, it is characterized in that also being provided with height limitator, described height limitator is provided with limiting device rotating shaft, described limiting device rotating shaft and being in transmission connection to any revolving part in the transmission device between the inner ring of described reel from the motor output shaft of described permasyn morot, when reaching the lifting altitude of restriction, described height limitator controls limiting device rotating shaft and can not be rotated further along former direction.
8. as claim 1, 2, 3, 4, 5, a gear permanent-magnet synchronous direct drive lifting mechanism described in 6 or 7, it is characterized in that described permasyn morot is built-in multi-disc brake permasyn morot, described built-in multi-disc brake permasyn morot comprises rotor, stator and built-in multi-disc brake device, described rotor is positioned at described stator and is rotaryed connection with described stator by rotor-bearing, the iron core of described stator is arranged in motor casing, described motor casing is provided with electrical motor front end cover and motor rear end plate, the rotating shaft of described rotor forward and extend out from the axis hole of described electrical motor front end cover, form motor output shaft, the rear portion of described rotor is the tubular section of rear end open, described built-in multi-disc brake device comprises rotary cylinder, brake tube, brake disc combines, brake elastic force apparatus and open a sluice gate engine installation, described rotary cylinder is enclosed within the outside of described brake tube, described brake disc combination comprises the dynamic brake disc and brake stator dish that complement one another, described dynamic brake disc, brake stator dish, rotary cylinder and brake tube coaxial, described dynamic brake disc and described brake stator dish are interspersed, described dynamic brake disc is annular arrangement, be arranged on the inner side of described rotary cylinder, to allow the movable connection method mutually moved axially to be connected between its outer rim and the inwall of described rotary cylinder, spacing is left between its inner rim and described brake tube, described brake stator dish is annular arrangement, be arranged on the outside of described brake tube, to allow the movable connection method mutually moved axially to be connected between its inner rim and the outer wall of described brake tube, spacing is left between its outer rim and described rotary cylinder, described braking elastic force apparatus is positioned at the rear side of described brake disc combination, be provided with the spring imposing forward thrust to the described brake disc being positioned at rear side, described engine installation of opening a sluice gate is arranged in described brake tube, comprise and open a sluice gate engine installation matrix and can relative to the actuator of opening a sluice gate engine installation matrix and moving axially, open a sluice gate the front side of engine installation matrix described in described actuator is positioned at and connect the front end of described spring, described built-in multi-disc brake device is arranged in the tubular section at described rotor rear portion, on the inwall that described rotary cylinder is fixedly mounted on the tubular section at described rotor rear portion or directly adopt the tubular section at described rotor rear portion, described rear end of opening a sluice gate engine installation matrix is fixedly connected with described motor rear end plate.
9. a gear permanent-magnet synchronous direct drive lifting mechanism as claimed in claim 8, it is characterized in that the quantity of described dynamic brake disc is one or more, the quantity of described brake stator dish is one or more, is equipped with friction lining in the front side card of described dynamic brake disc and in the front side card of described brake stator dish.
10. a gear permanent-magnet synchronous direct drive lifting mechanism as claimed in claim 9, is characterized in that the quantity of described dynamic brake disc is one, and the quantity of described brake stator dish is two.
11. gear permanent-magnet synchronous direct drive lifting mechanisms as claimed in claim 9, it is characterized in that described spring 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 axially extended Attacking Midfielder hole and axially extended low back hole, described Attacking Midfielder hole and low back hole are through hole, described actuator is installed with outward extending front stop lever, described front stop lever is through the Attacking Midfielder hole on described brake tube, its outer section gear is in the front end of described spring, realize connecting of described actuator and described spring at front end thus, described rear portion of opening a sluice gate engine installation matrix is installed with outward extending rear pin, described rear pin is through the low back hole on described brake tube, its outer section gear is in the rear end of described spring, connecting of engine installation matrix and described spring rear end is opened a sluice gate described in realizing thus, the quantity in the Attacking Midfielder hole on described brake tube is one or more, the quantity of described front stop lever is equal with the quantity in described Attacking Midfielder hole, when the quantity in described Attacking Midfielder hole is multiple, described multiple Attacking Midfielder holes circumference is uniformly distributed, described multiple front stop lever adopts the circumferential distribution mode identical with described multiple Attacking Midfielder hole, the quantity in the low back hole on described brake tube is one or more, the quantity of described rear pin is equal with the quantity in described low back hole, when described low back hole number is multiple, described multiple low back holes circumference is uniformly distributed, described multiple rear pin adopts the circumferential distribution mode identical with described multiple low back hole.
12. gear permanent-magnet synchronous direct drive lifting mechanisms as claimed in claim 11, the profile of opening a sluice gate engine installation matrix described in it is characterized in that in coaxial cylindrical of described brake tube, its rear end is fixedly connected with the barrel coaxial with it, described barrel passes the axial barrel mounting hole on described motor rear end plate and is connected with jam nut, described jam nut be positioned at described barrel mounting hole below and be tightened on described barrel, grip described motor rear end plate from both sides, front and back with described opening a sluice gate together with engine installation matrix, the rear end of engine installation matrix and being fixedly connected with of described motor rear end plate is opened a sluice gate described in realizing thus, the front end of described rotary cylinder is installed with rotary cylinder end cap, the ringwise inward flange shape of described rotary cylinder end cap, gear is in the axial front of described dynamic brake disc, the front end of described brake tube is installed with brake tube end cap, described brake tube end cap is provided with the outward flange of annular, gear is in the axial front of described brake stator dish.
13. gear permanent-magnet synchronous direct drive lifting mechanisms as claimed in claim 12, it is characterized in that front stop lever described at least one being installed with an indicator stem extended back vertically, the rearward end of described indicator stem extends in outer and is provided with length scale, extend in outer length variations with indicator stem described under braking mode and judge that the mill of described friction lining loses situation, mill according to described friction lining loses the stopping distance that situation regulates described spring, when the mill of friction lining lose total amount prompting need more renewal of facing renewal time more renewal of facing renewal, the regulative mode of the stopping distance of described spring is following any one or two kinds:
(1) between the rear end that described brake disc combines and described front stop lever, arrange pad, the quantity of described pad is one or more, and described pad is be set in the annular gasket on described brake tube;
(2) arrange pad described opening a sluice gate between the rear end of engine installation matrix and described fixed support, the quantity of described pad is one or more, and described pad is be set in the annular gasket on described barrel.
14. gear permanent-magnet synchronous direct drive lifting mechanisms as claimed in claim 13, opening a sluice gate engine installation described in it is characterized in that is that electromagnetism opens a sluice gate engine installation, hydraulic pressure opens a sluice gate engine installation or air pressure opens a sluice gate engine installation, described electromagnetism is opened a sluice gate engine installation and is comprised electromagnet and can by the armature of described electromagnetic actuation, described armature is in the form of annular discs or be connected with disk, the actuator of engine installation is opened a sluice gate described in the disk that described discoid armature or described armature connect and described brake tube are coaxially also formed, described electromagnet opens a sluice gate engine installation matrix described in forming, described hydraulic pressure is opened a sluice gate the gentle lock engine installation that presses off of engine installation and is included corresponding cylinder body and the piston rod supporting with described cylinder body, it is outer and be provided with the disk forming described actuator that the front end of described piston rod extends in described cylinder body, described cylinder body opens a sluice gate engine installation matrix described in forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520183576.6U CN204778532U (en) | 2015-03-30 | 2015-03-30 | Synchronous machine of liter that has directly driven of a gear permanent magnetism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520183576.6U CN204778532U (en) | 2015-03-30 | 2015-03-30 | Synchronous machine of liter that has directly driven of a gear permanent magnetism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204778532U true CN204778532U (en) | 2015-11-18 |
Family
ID=54518624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520183576.6U Active CN204778532U (en) | 2015-03-30 | 2015-03-30 | Synchronous machine of liter that has directly driven of a gear permanent magnetism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204778532U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104803310A (en) * | 2015-03-30 | 2015-07-29 | 江西工埠机械有限责任公司 | Permanent magnet synchronous direct-drive lifting machine with gear |
| CN108390499A (en) * | 2017-02-03 | 2018-08-10 | 信浓绢糸株式会社 | Motor and air blower |
-
2015
- 2015-03-30 CN CN201520183576.6U patent/CN204778532U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104803310A (en) * | 2015-03-30 | 2015-07-29 | 江西工埠机械有限责任公司 | Permanent magnet synchronous direct-drive lifting machine with gear |
| CN108390499A (en) * | 2017-02-03 | 2018-08-10 | 信浓绢糸株式会社 | Motor and air blower |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104787676A (en) | Hoisting trolley | |
| CN205061402U (en) | Play to rise dolly | |
| CN201407304Y (en) | Electric hydraulic brake with gradual moment | |
| CN103026089A (en) | Brake device comprising a rotor of an eddy current disk brake, the rotor forming the brake disk of a friction disk brake | |
| CN101581354B (en) | Actuator with main rod and auxiliary rod | |
| CN204778532U (en) | Synchronous machine of liter that has directly driven of a gear permanent magnetism | |
| CN108895096B (en) | A kind of permanent magnetism double disk brake and its braking method | |
| CN104803310A (en) | Permanent magnet synchronous direct-drive lifting machine with gear | |
| CN103407436B (en) | Electromagnetic control type device for eliminating air loss energy consumption and improving low-speed performance of hydrodynamic retarder | |
| US12024406B2 (en) | Crane and method for weathervaning such a crane | |
| CN204125092U (en) | A kind of Novel disk-shape speed governing mine hoist | |
| JP5926306B2 (en) | Brake system for vehicles | |
| DE202015101779U1 (en) | Permanent magnet synchronous direct drive lifting device with a single-stage gear | |
| CN104795933B (en) | Built-in multi-disc brake magneto | |
| CN204794549U (en) | Built -in polydisc braking permanent -magnet machine | |
| CN204692385U (en) | Electric motor built-in multi-disc brake device | |
| CN204138247U (en) | A kind of screw rod pile machine winch | |
| CN204878452U (en) | Brake | |
| CN204778533U (en) | Magneto installs electric block inside | |
| WO2021232879A1 (en) | Drum brake with electrically controlled wheel cylinder | |
| CN209067708U (en) | A kind of non-self-lock-ing worm and gear brake | |
| CN205616498U (en) | Variable frequency hoisting mechanism | |
| CN204641709U (en) | A kind of automobile-used transmission braking integration arrangement | |
| CN203976187U (en) | Permanent magnetism drives by force towing machine | |
| CN104118787B (en) | Two traction cylinder drives permanent magnetic synchronous traction machine by force |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |