CN105565107A - High-performance double-force augment safety brake and non-rope elevator - Google Patents
High-performance double-force augment safety brake and non-rope elevator Download PDFInfo
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- CN105565107A CN105565107A CN201610138707.8A CN201610138707A CN105565107A CN 105565107 A CN105565107 A CN 105565107A CN 201610138707 A CN201610138707 A CN 201610138707A CN 105565107 A CN105565107 A CN 105565107A
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- mover
- composite panel
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- floating
- braking mechanism
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
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Abstract
The invention discloses a high-performance double-force augment safety brake and a non-rope elevator. A permanent magnetic normal force and an electromagnetic hoisting force of a linear motor are served as a braking driving force; a braking spring and a permanent magnet can also be matched for use to apply or relieve a braking force; through mutual coupling area between short-stroke reciprocating composite plates and mutual coupling area between movable magnetic poles, the braking force with a large multiple is controlled to be gradually increased or decreased, therefore steady closing and opening of the brake is realized, and the problem that an existing safety brake is high in noise and vibration due to an opening sound and a closing sound, and has a big size and big dead weight and the potential safety trouble that the band-type brake is not braked and the like are solved. The high-performance double-force augment safety brake and the non-rope elevator disclosed by the invention are simple in structure, low in cost, super-high in braking capacity, safe, reliable, low in shock, low in noise, convenient to maintain, low in power consumption, small in size, light in weight and long in service life; a dedicated driving device for the brake of the non-rope elevator can be removed, so that the brake is simplified in structure, and a hoisting system is more compact; the high-performance double-force augment safety brake and the non-rope elevator disclosed by the invention can be applied to multiple fields of elevators, hoists, pumping units, lifting cranes, storage systems, traffic and transportation systems, and the like.
Description
Technical field
The invention belongs to electro-mechanical arts, be specifically related to the two reinforcement sure brake of High Performance and cordless elevator.
Background technology
Drg has the important device making the function such as movable parts or movable machinery deceleration, stopping or maintenance halted state.Be commonly called as brake, lock.There is various structures pattern because of the development of modern industry machinery in drg, wherein frictin braek being most widely used as caliper disk brake, electromagnetic brake, floating brake etc.Maximum in the application of special equipment field is the safety brake with loss protecting function.
Mainly there is the large problem such as volume, deadweight, noise in existing safety brake, particularly " opening and closing two sound ", noise and vibration outstanding problem: one, during brake because retarding spring discharges huge energy, collide with braking rail or brake disc and produce very large sound and vibration; Two, need to overcome retarding spring huge energy when drg (power-off) declutches, cause electromagnet volume very large, move when electromagnet closes, determine the armature collision very large sound of generation and vibration; Fuel tank volume is also existed for safety-type hydraulic brake large, the problem such as leakage of oil, Maintenance Difficulty, for safe type electromagnetic drg also exist electromagnet energising instantaneous large-current to electrical network impact large, moving armature closed after the problem such as power consumption always.Tradition has the winding cylinder of rope elevator, drive motor and drg to be generally arranged on away from the machine room of passenger above building, and the problems referred to above may also be not enough to attract people's attention.
But for the cordless elevator that the linear electric motors without counterweight drive, car to interact the electromagnetic force Direct driver produced by linear motor rotor and stator, operation scheme can adopt dynamic elementary short elementary/long secondary, or dynamic secondary short secondary/long elementary two kinds of linear electric motors arrangements, elementary, the part of both middle band main windings secondary and energising is called elementary, part not with main winding is called secondary, motion parts in both is called mover, fixed part is called stator, stator is fixed on hoistway side, mover is fixed on car or car frame or mover beam, when linear electric motor primary energising forms travelling-magnetic-field, thus the hoisting force produced upwards, drive car movement, drg is servo-actuated to be arranged on mover beam or car frame or car, the problems referred to above particularly drg " opening and closing two sound " noise and vibration problem and volume large, just become particularly outstanding from significant problem, and because not promoting hawser, hoisting force may be there is not or the unforeseen circumstances such as to lose, and system can not send band-type brake instruction or brake receiver in time less than band-type brake instruction, major safety risks problem can not be caused by band-type brake in time, require harsher to the real-time control of drg and safe reliability, become cordless elevator key technical issues, before can not effectively solving, be difficult to realize through engineering approaches application.
The invention discloses the two reinforcement sure brake of High Performance and cordless elevator.Utilize the permanent magnetism normal force of linear electric motors itself and electromagnetism hoisting force as braking and drive force, simultaneously can also by retarding spring together with permanent magnetism with the use of, apply braking force to carry out " dual force (mixing) braking ", composite panel is moved back and forth by little stroke, intercouple between dynamic magnetic level area, the braking force controlling large several times increases gradually or reduces, realize the closed of drg and open, there is braking steadily, reliably, noise reduction, the remarkable advantages such as damping, solve existing sure brake " opening and closing two sound " noise large, volume is large, from significant problem, and the non-band-type brake of this band-type brake, fail to report the severe compromise problems such as lock.Structure of the present invention is simple, cost is low, braking potential is superpower, safe and reliable, impact little, noise is low, easy to maintenance, power consumption is low, volume is little, quality is light, the life-span is long, the special actuating device of cordless elevator drg can be cancelled, simplify brake structural, make elevator system compacter.The present invention can be applicable to multiple fields such as drg, elevator, mine hoist, oil-field oil pumper, stereo warehouse, hoisting machine, traffic and transportation system.
Summary of the invention
The technical problem to be solved in the present invention be solve to greatest extent existing safety brake " opening and closing two sound " the large problem of noise and vibration and volume large, from significant problem and the non-band-type brake of this band-type brake, fail to report the security hidden troubles such as lock drg " do not have self-insurance " function itself.
Technical scheme of the present invention realizes with following method:
The two reinforcement sure brake of High Performance, the braking drive organ comprising friction braking mechanism (9) and be connected with friction braking mechanism (9), it is characterized in that, described braking drive organ comprises composite panel (13) and dynamic magnetic level (12), described composite panel (13) forms for permeability magnetic material (2) or be arranged in order by least one group of permeability magnetic material (2) and non-magnet material (1), described dynamic magnetic level (12) forms for magnet (4) or be arranged in order by the magnet (4) of at least one group and unshakable in one's determination (3), three dynamic magnetic levels or two dynamic magnetic levels and a composite panel or two composite panels and a dynamic magnetic level are at least set, the mutual free-running fit of three, three be positioned at middle one or two other be connected with at least one friction braking mechanism (9), at least one composite panel (13) be not connected with friction braking mechanism (9) or dynamic magnetic level (12) are connected with outer actuating device (91).
Further, described braking drive organ is two, be separately positioned on friction braking mechanism (9) both sides, one in the composite panel (13) of side braking drive organ or dynamic magnetic level with in the composite panel (13) of opposite side braking drive organ or dynamic magnetic level (12) with being connected with friction braking mechanism (9).
Further, braking drive organ comprises support body (18), described support body (18) is provided with floating position-limiting guiding pair (10) and the spacing guiding pair (16) that slides, three be positioned at middle one or two other composite panel (13) or dynamic magnetic level (12) be arranged on floating position-limiting guiding pair (10) upper and be connected with at least one friction braking mechanism (9), composite panel (13) that at least one is not connected with friction braking mechanism (9) or dynamic magnetic level (12) be arranged on the spacing guiding pair (16) that slides go up and with outer actuating device;
Or braking drive organ comprises back-shaped beam (201), the upper concentrated setting of described back-shaped beam (201) has floating slide-and-guide pair (92), three is positioned at middle one or two other composite panel (13) or dynamic magnetic level (12), and to be arranged on floating slide-and-guide pair (92) upper and be connected with at least one friction braking mechanism (9), and at least one composite panel (13) be not connected with friction braking mechanism (9) or dynamic magnetic level (12) are connected with back-shaped beam (201) and are driven by outer actuating device.
Further, described floating position-limiting guiding pair (10) comprises the floating guiding rail be arranged on support body (18), the floating position-limiting block being arranged on floating guiding rail end and the retracing spring be enclosed within floating guiding rail, and the spacing guiding pair of described slip (16) comprises the slide-and-guide rail be arranged on support body, the slip limiting stopper being arranged on slide-and-guide rail end and the recoil spring be enclosed within slide-and-guide rail;
Described floating slide-and-guide pair (92) comprises slip position-limited trough (200) and floating position-limiting groove (202), slip retracing spring (203) is set in slip position-limited trough (200), in floating position-limiting groove (202), arrange floating retracing spring (204) and floating guiding rail (205), composite panel (13) or subunit (12) are equipped with by float retracing spring (204) and floating guiding rail (205) and back-shaped beam (201).
Further, described outer actuating device is electromagnet, electric actuator, fluid power actr, electro-hydraulic actuator, drive motor;
The two reinforcement sure brake of linear electric motors High Performance, comprise the stator (11) be arranged on fixed base, friction braking mechanism (9), and the braking drive organ to be connected with friction braking mechanism (9), be arranged on the mover (60) on mover beam (61), stator (11) is made up of at least one group of stator unit, mover (60) is made up of at least one group of subunit, mover (60) and stator (11) are equipped with formation linear electric motors, it is characterized in that, described subunit is that magnet or be arranged in order by least one group of magnet and iron core forms, dynamic magnetic level is at least one group of subunit, composite panel (13) or the dynamic magnetic pole (12) of two free-running fits are set at mover (60) side clearance coordinated with linear motor stator electric (11), be connected with at least one friction braking mechanism (9) near one of mover (60) or two other composite panel (13) or dynamic magnetic pole (12) in three, at least one composite panel (13) be not connected with friction braking mechanism (9) or dynamic magnetic level (12) are promoted by least one group of subunit or pull.
Further, mover beam (61) is provided with floating position-limiting guiding pair (10) and the spacing guiding pair (16) that slides, be arranged on floating position-limiting guiding pair (10) near one of mover (60) or two other composite panel (13) or dynamic magnetic pole (12) in three upper and be connected with at least one friction braking mechanism (9), at least one composite panel (13) be not connected with friction braking mechanism (9) or dynamic magnetic level (12) to be arranged on the spacing guiding pair (16) that slides and to be promoted by least one group of subunit or pull;
Or mover beam is arranged back-shaped beam (201), the upper concentrated setting of described back-shaped beam (201) has floating slide-and-guide pair (92), be arranged on floating slide-and-guide pair (92) near one of mover (60) or two other composite panel (13) or dynamic magnetic pole (12) in three upper and be connected with at least one friction braking mechanism (9), at least one composite panel (13) be not connected with friction braking mechanism (9) or dynamic magnetic level (12) are connected with back-shaped beam (201) or mover beam (61) and are promoted by least one group of subunit or pull;
The two reinforcement safety arrestment cordless elevator of High Performance, comprise the fixed base arranged along hoistway, mover beam (61), car, be arranged on the mover (60) on mover beam (61), friction braking mechanism (9), be arranged on the stator (11) on fixed base and guide rail, mover (60) is made up of at least one group of subunit, stator (11) is made up of at least one group of stator unit, mover (60) and stator (11) are equipped with formation linear electric motors, it is characterized in that, described subunit is that magnet or be arranged in order by least one group of magnet and iron core forms, dynamic magnetic level is at least one group of subunit, composite panel (13) or the dynamic magnetic pole (12) of two free-running fits is provided with at mover (60) side clearance coordinated with linear motor stator electric (11), be connected with at least one friction braking mechanism (9) near one of mover (60) or two other composite panel (13) or dynamic magnetic pole (12) in three.
Further, mover beam (61) is provided with floating position-limiting guiding pair (10) and slide spacing guiding pair (16) and spacing beam (20), described spacing beam (20) is provided with recoil spring (21), mover beam (61) is provided with floating position-limiting guiding pair (10) and the spacing guiding pair (16) that slides, floating position-limiting guiding pair (10) is arranged near one of mover (60) or two other composite panel (13) or dynamic magnetic pole (12) upper and be connected with at least one friction braking mechanism (9) in three, at least one composite panel (13) be not connected with friction braking mechanism (9) or dynamic magnetic level (12) are arranged on the spacing guiding pair (16) that slides and go up and promoted by least one group of subunit or pull,
Or mover beam is arranged back-shaped beam (201), the upper concentrated setting of described back-shaped beam (201) has floating slide-and-guide pair (92), be arranged on floating slide-and-guide pair (92) near mover (60) or two other composite panel (13) or dynamic magnetic pole (12) upper and be connected with at least one friction braking mechanism (9), at least one composite panel (13) be not connected with friction braking mechanism (9) or dynamic magnetic level (12) are connected with back-shaped beam (201) or mover beam (61) and are promoted by least one group of subunit or pull.
Further, described floating slide-and-guide pair (92) comprises and is arranged on slip position-limited trough (200) in back-shaped beam (201) and floating position-limiting groove (202), slip retracing spring (203) is set in slip position-limited trough (200), floating retracing spring (204) and floating guiding rail (205) are set in floating position-limiting groove (202), be equipped with by float retracing spring (204) and floating guiding rail (205) and back-shaped beam (201) near mover (60) or two other composite panel (13) or dynamic magnetic pole (12), back-shaped beam (201) and mover beam (61) or car frame or car are connected.
Compared with prior art, the invention provides a kind of structure simple, cost is low, braking potential is large, safe and reliable, impact little, noise is low, easy to maintenance, power consumption is low, volume is little, quality is light, life-span is long, utilize the permanent magnetism normal force of linear electric motors itself and electromagnetism hoisting force as the sure brake of braking and drive force and cordless elevator, also can by retarding spring together with permanent magnetism with the use of, apply braking force, eliminate the special actuating device of drg in cordless elevator, can without the need to dedicated brake driving power, actuator driver and controller, simplify brake structural, make elevator system compacter, cost-saving, reduce energy consumption.Simultaneously, the area that to intercouple between composite panel, dynamic magnetic level is moved back and forth by little stroke, control increase gradually or the reduction of the numerically normal force of large several times, realize the closed of drg and open, have the remarkable advantages such as braking is steady, reliable, noise reduction, damping, noise and vibration is large, volume is large, from significant problem and the non-band-type brake of this band-type brake of drg, leak the severe compromise problems such as band-type brake to solve existing sure brake " opening and closing two sound ".The present invention can be applicable to multiple field such as drg, building elevator, mine hoist, oil-field oil pumper, stereo warehouse, hoisting machine and other traffic and transportation system.
Accompanying drawing explanation
Fig. 1 ~ 6 are schematic diagram of the present invention.
Fig. 7 ~ 11 are the structural representation of the two reinforcement sure brake of High Performance of the present invention.
Figure 12 ~ 21 are the structural representation of the two reinforcement sure brake of High Performance of the present invention or cordless elevator.
In accompanying drawing: 1 non-magnet material, 2 permeability magnetic materials, 3 iron cores, 4 magnets, 5 windings, 6 levels, 8 guide rails, 9 friction braking mechanisms, 10 floating position-limiting guiding pairs, 11 stators, 12 dynamic magnetic levels, 13 composite panels, the spacing guiding pair of 16 slip, 18 support bodys, 20 spacing beams, 21 recoil springs, 60 movers, 61 mover beams, 70 spherical ball, 71 braking connecting arms, 91 outer actuating devices, 92 floating slide-and-guides are secondary, 100 cars, attaching parts is driven outside 150, 152 retarding springs, 200 slip position-limited troughs, 201 back-shaped beams, 202 floating position-limiting grooves, 203 slip retracing springs, 204 floating retracing springs, 205 floating guiding rails.
Detailed description of the invention
Below in conjunction with drawings and Examples, further elaboration is made to the present invention.
As Fig. 1, Figure 2 shows that dynamic magnetic level is one group of magnet, composite panel is the minimal structure groundwork figure of one group of concentrating flux plate, magnet and concentrating flux plate tolerance clearance are arranged, when concentrating flux plate is coupled (being called short-circuit condition) mutually completely with magnet, the normal direction magnetic attraction produced between the two is maximum, make both reduce coupling area gradually (not to be coupled completely when vertically moving magnet or concentrating flux plate, be called open-circuit condition), then normal direction magnetic attraction is decreased to zero gradually between the two, in this process, to vertically move direction mobile by being subject to attempting hindering simultaneously, the effect of contrary reluctance force, the reluctance force of this reluctance force under short circuit and open-circuit condition is zero, it is maximum (general maximum magnetic flux resistance is only below the 1/5-1/10 of maximum normal force) that this reluctance force has just been left near magnet positions at concentrating flux plate, be reduced to zero gradually afterwards.Now, both are made to increase coupling area gradually when reverse return moves, then normal direction magnetic attraction is increased to maximum gradually between the two, in reverse return process by be subject to simultaneously a kind of help to reset be referred to as the effect of magnetic restoring force, the equal and opposite in direction of this magnetic restoring force and reluctance force, direction is identical, that is, the effect of the power being similar to spring is subject in reciprocating movement, forward is resistance, be reversed reply pulling force, see it is that magnetic circuit itself is always attempted keep in the center (the maximum magnetic flux suction force state that magnetic circuit is coupled completely, magnetic resistance is minimum) in essence.Move composite panel by low-force or dynamic magnetic level controls the area that intercouples, just can control the normal direction magnetic attraction of numerically large several times.Composite panel and dynamic magnetic level gap and magnetic attraction are positive feedback effect relations, and gap is less, and both magnetic attractions are larger; Otherwise gap is larger, magnetic attraction is less.
As Fig. 3 ~ Figure 4 shows that dynamic magnetic level is at least arranged in order by one group of magnet and iron core to form, composite panel is arranged in order by one group of concentrating flux plate and non-magnetic plate and forms, the dynamic groundwork figure of magnetic level between composite panel and stator.In Fig. 3, stator is at least made up of one group of winding and grooved core, arbitrary neighborhood two permeability magnetic material of composite panel or the width between centers of non-magnet material equal with the width between centers of dynamic magnetic level arbitrary neighborhood two magnet be t, when the width between centers of composite panel permeability magnetic material overlaps with the width between centers of dynamic magnetic level magnet, composite panel and dynamic magnetic level between the two magnetic attraction are maximum, and stator and dynamic magnetic level between the two magnetic attraction be minimum; When the width between centers of composite panel non-magnet material overlaps with the line of centers of dynamic magnetic level magnet, composite panel and dynamic magnetic level between the two magnetic attraction are minimum, and stator and dynamic magnetic level between the two magnetic attraction be maximum; Make magnetic attraction gradually become maximum or minimum by the t/2 distance moved back and forth in composite panel or dynamic magnetic level, in this process, also can be subject to the effect of the similar magnetic restoring force of Fig. 1 and reluctance force.In shown in the upper figure of Fig. 3, dynamic magnetic level is the elementary of permanent-magnet linear flux switching motor, if its motion is also referred to as mover, stator is secondary (grooved core) of permanent-magnet linear flux switching motor, dynamic magnetic level and stator are equipped with, composite panel is in short-circuit condition (namely magnet center line overlaps with concentrating flux plate line of centers), now, permanent magnetic field mainly acts between composite panel and dynamic magnetic level, composite panel and dynamic magnetic level between the two magnetic attraction are maximum, stator and dynamic magnetic level between the two magnetic attraction are minimum, only there is sub-fraction magnetic fields in stator and dynamic magnetic level between the two, exert oneself less as the use of permanent-magnet linear flux switching motor, electric motors function is limited, in shown in Fig. 3 figure below, composite panel is in open-circuit condition, namely magnet center line overlaps with non-magnetic plate line of centers, now, composite panel and dynamic magnetic level between the two magnetic attraction are minimum being close to zero, and permanent magnetic field mainly acts on dynamic magnetic level and stator, stator and dynamic magnetic level between the two magnetic attraction are maximum, now, if the winding energising of dynamic magnetic level, stator and dynamic magnetic level have become a permanent-magnet linear flux switching motor normally worked.Composite panel and dynamic magnetic level gap between the two and magnetic attraction are positive feedback effect relations, and namely gap is less between the two for composite panel and dynamic magnetic level, and magnetic attraction is larger; Otherwise gap is larger, magnetic attraction is less, and stator and dynamic magnetic level change into the permanent-magnet linear flux switching motor of normal output gradually.
In shown in Fig. 4, dynamic magnetic level is the secondary of permanent-magnet linear salient pole machine, at least be arranged in order by one group of magnet and noseiron and form, because collateral motion also can be referred to as mover, composite panel is arranged in order by one group of concentrating flux plate and non-magnetic plate and forms, and stator is the elementary of permanent-magnet linear salient pole machine, is at least made up of one group of winding and grooved core, composite panel is the fabricate block that one group of concentrating flux plate and non-magnetic plate are arranged in order, the dynamic groundwork figure of magnetic level between composite panel and stator.In the upper figure of Fig. 4, composite panel is in short-circuit condition, and namely magnet center line overlaps with permeability magnetic material line of centers; In Fig. 4 figure below, composite panel is in open-circuit condition, and namely magnet center line overlaps with non-magnet material line of centers.All the other same Fig. 1-Fig. 2.
Above-mentioned magnet is monolithic magnet or one group of magnet, or the polylith magnet identical or not identical by polarity forms, as halbach magnet array.Magnet is the magnetic materials such as permanent magnet, electric excitation body, superconducting magnet.
According to above-mentioned principle, arrange three dynamic magnetic level/composite panels to make sure brake and suit somebody to a T: arrange three dynamic magnetic levels or two dynamic magnetic levels and a composite panel or two composite panels and a dynamic magnetic level, the mutual free-running fit of three, and make in three and two other (longitudinally) arranged in dislocation, the normal force between three and magnetic field is made to be while strengthen (maximum), in addition while weaken (minimum), or while be attractive force, in addition while be repulsive force, therefore, the composite panel (13) of one or two in three or dynamic magnetic level (12) are connected with at least one friction braking mechanism slipper or brake control lever, two other or one drive little stroke to move back and forth by itself or external force, just normal gap can be controlled, the steady closed or opening function increasing or reduce gradually to realize drg gradually of normal force, braking potential is than arranging two dynamic magnetic level/composite panels is eager to excel much bigger (at least strong one times) separately, controller characteristic curve is also more flexible.As shown in Fig. 5 ~ Fig. 6.
Apply above-mentioned three dynamic magnetic level/composite panel principles, can also simultaneously by retarding spring together with permanent magnetism with the use of, applying or brake off power are carried out " mixing (dual force) is braked or opened ", the safe and reliable braking of drg is guaranteed further: retarding spring power can by least braking rated load, nominal load design in pure mechanical braking mode, utilize repulsive force on one side or attractive force to overcome retarding spring power and open drg, after displacement, the magnetic attraction on one side is in addition utilized to be used for closing (band-type brake) together with retarding spring, there is braking force superpower, required tensile force is little, safe and reliable remarkable advantage.
Embodiment 1
As shown in Fig. 7 ~ 11, the two reinforcement sure brake of High Performance, the braking drive organ comprising friction braking mechanism (9) and be connected with friction braking mechanism (9), it is characterized in that, described braking drive organ comprises composite panel (13) and dynamic magnetic level (12), described composite panel (13) forms for permeability magnetic material (2) or be arranged in order by least one group of permeability magnetic material (2) and non-magnet material (1), described dynamic magnetic level (12) forms for magnet (4) or be arranged in order by the magnet (4) of at least one group and unshakable in one's determination (3), three dynamic magnetic levels or two dynamic magnetic levels and a composite panel or two composite panels and a dynamic magnetic level are at least set, the mutual free-running fit of three, three be positioned at middle one or two other be connected with at least one friction braking mechanism (9), at least one composite panel (13) be not connected with friction braking mechanism (9) or dynamic magnetic level (12) are connected with outer actuating device (91).Or described braking drive organ is two, be separately positioned on friction braking mechanism (9) both sides, one in the composite panel (13) of side braking drive organ or dynamic magnetic level with in the composite panel (13) of opposite side braking drive organ or dynamic magnetic level (12) with being connected with friction braking mechanism (9).
Or braking drive organ comprises support body (18), described support body (18) is provided with floating position-limiting guiding pair (10) and the spacing guiding pair (16) that slides, three be positioned at middle one or two other composite panel (13) or dynamic magnetic level (12) be arranged on floating position-limiting guiding pair (10) upper and be connected with at least one friction braking mechanism (9), composite panel (13) that at least one is not connected with friction braking mechanism (9) or dynamic magnetic level (12) be arranged on the spacing guiding pair (16) that slides and go up and be connected with outer actuating device.Described floating position-limiting guiding pair (10) comprises the floating guiding rail be arranged on support body (18), the floating position-limiting block being arranged on floating guiding rail end and the retracing spring be enclosed within floating guiding rail, and the spacing guiding pair of described slip (16) comprises the slide-and-guide rail be arranged on support body, the slip limiting stopper being arranged on slide-and-guide rail end and the recoil spring be enclosed within slide-and-guide rail.
Embodiment 2
As shown in Figures 12 and 13, the two reinforcement sure brake of High Performance, braking drive organ comprises back-shaped beam (201), the upper concentrated setting of described back-shaped beam (201) has floating slide-and-guide pair (92), three is positioned at middle one or two other composite panel (13) or dynamic magnetic level (12), and to be arranged on floating slide-and-guide pair (92) upper and be connected with at least one friction braking mechanism (9), and at least one composite panel (13) be not connected with friction braking mechanism (9) or dynamic magnetic level (12) are connected with back-shaped beam (201) and are driven by outer actuating device.Described floating slide-and-guide pair (92) comprises slip position-limited trough (200) and floating position-limiting groove (202), slip retracing spring (203) is set in slip position-limited trough (200), in floating position-limiting groove (202), arrange floating retracing spring (204) and floating guiding rail (205), composite panel (13) or subunit (12) are equipped with by float retracing spring (204) and floating guiding rail (205) and back-shaped beam (201).
Embodiment 3
As Fig. 5, shown in 6 and 14 ~ 17, the two reinforcement sure brake of linear electric motors High Performance, comprise the stator (11) be arranged on fixed base, friction braking mechanism (9), and the braking drive organ to be connected with friction braking mechanism (9), be arranged on the mover (60) on mover beam (61), stator (11) is made up of at least one group of stator unit, mover (60) is made up of at least one group of subunit, mover (60) and stator (11) are equipped with formation linear electric motors, it is characterized in that, described subunit is that magnet or be arranged in order by least one group of magnet and iron core forms, dynamic magnetic level is at least one group of subunit, composite panel (13) or the dynamic magnetic pole (12) of two free-running fits are set at mover (60) side clearance coordinated with linear motor stator electric (11), three be positioned at middle one or two other be connected with at least one friction braking mechanism (9), at least one composite panel (13) be not connected with friction braking mechanism (9) or dynamic magnetic level (12) are promoted by least one group of subunit or pull.Mover beam (61) is provided with floating position-limiting guiding pair (10) and the spacing guiding pair (16) that slides, be arranged on floating position-limiting guiding pair (10) near one of mover (60) or two other composite panel (13) or dynamic magnetic pole (12) in three upper and be connected with at least one friction braking mechanism (9), at least one composite panel (13) be not connected with friction braking mechanism (9) or dynamic magnetic level (12) to be arranged on the spacing guiding pair (16) that slides and to be promoted by least one group of subunit or pull.
Embodiment 4
As Fig. 5, shown in 6 and 18 ~ 21, the two reinforcement sure brake of linear electric motors High Performance, mover beam is arranged back-shaped beam (201), the upper concentrated setting of described back-shaped beam (201) has floating slide-and-guide pair (92), floating slide-and-guide pair (92) is arranged near one of mover (60) or two other composite panel (13) or dynamic magnetic pole (12) upper and be connected with at least one friction braking mechanism (9) in three, at least one composite panel (13) be not connected with friction braking mechanism (9) or dynamic magnetic level (12) are connected with back-shaped beam (201) or mover beam (61) and are promoted by least one group of subunit or pull.
Embodiment 5
As Fig. 5, shown in 6 and 14 ~ 17, the two reinforcement safety arrestment cordless elevator of High Performance, comprise the fixed base arranged along hoistway, mover beam (61), car, be arranged on the mover (60) on mover beam (61), friction braking mechanism (9), be arranged on the stator (11) on fixed base and guide rail, mover (60) is made up of at least one group of subunit, stator (11) is made up of at least one group of stator unit, mover (60) and stator (11) are equipped with formation linear electric motors, it is characterized in that, described subunit is that magnet or be arranged in order by least one group of magnet and iron core forms, dynamic magnetic level is at least one group of subunit, composite panel (13) or the dynamic magnetic pole (12) of two free-running fits is provided with at mover (60) side clearance coordinated with linear motor stator electric (11), be connected with at least one friction braking mechanism (9) near one of mover (60) or two other composite panel (13) or dynamic magnetic pole (12) in three.Mover beam (61) is provided with floating position-limiting guiding pair (10) and slide spacing guiding pair (16) and spacing beam (20), described spacing beam (20) is provided with recoil spring (21), mover beam (61) is provided with floating position-limiting guiding pair (10) and the spacing guiding pair (16) that slides, floating position-limiting guiding pair (10) is arranged near one of mover (60) or two other composite panel (13) or dynamic magnetic pole (12) upper and be connected with at least one friction braking mechanism (9) in three, at least one composite panel (13) be not connected with friction braking mechanism (9) or dynamic magnetic level (12) are arranged on the spacing guiding pair (16) that slides and go up and promoted by least one group of subunit or pull.
Embodiment 6
As Fig. 5, shown in 6 and 18 ~ 21, the two reinforcement safety arrestment cordless elevator of High Performance, mover beam is arranged back-shaped beam (201), the upper concentrated setting of described back-shaped beam (201) has floating slide-and-guide pair (92), floating slide-and-guide pair (92) is arranged near mover (60) or two other composite panel (13) or dynamic magnetic pole (12) upper and be connected with at least one friction braking mechanism (9) in three, at least one composite panel (13) be not connected with friction braking mechanism (9) or dynamic magnetic level (12) are connected with back-shaped beam (201) or mover beam (61) and are promoted by least one group of subunit or pull.Described floating slide-and-guide pair (92) comprises and is arranged on slip position-limited trough (200) in back-shaped beam (201) and floating position-limiting groove (202), slip retracing spring (203) is set in slip position-limited trough (200), floating retracing spring (204) and floating guiding rail (205) are set in floating position-limiting groove (202), composite panel (13) or dynamic magnetic pole (12) are equipped with by float retracing spring (204) and floating guiding rail (205) and back-shaped beam (201), and back-shaped beam (201) and mover beam (61) or car frame or car are connected.
Below in conjunction with Figure 15 ~ 16 and Figure 18 ~ 21 illustrate of the present invention utilize linear electric motors itself permanent magnetism normal force and hoisting force as the braking operation process of the cordless elevator (gig) of brake propulsive effort:
Elevator or gig are as special equipment, and drg generally needs to arrange two covers, are located on A section mover and arrange drg A, B section mover arranges drg B.Describe for two kinds of structural principles respectively below.
One, float, sliding is provided separately
Service braking (from being opened to braking mode): driver controller controls elevator orderly shutdown (0 speed), the energising of A section mover is kept to lift car, drg A continues to open, then control B section mover makes the subunit A coordinated with composite panel A move down, make composite panel A from open-circuit condition gradually to short-circuit condition transition, Normal Force between composite panel A and subunit A increases gradually, when the predetermincd tension that the returning spring being greater than floating guiding pair is little, returning spring is compressed, gap between subunit A and composite panel A reduces rapidly, drg brake disc starts to embrace guide rail (now, because normal force is also little, band-type brake power is less), afterwards, subunit A continues to fall, when dropping to spacing place, bottom, composite panel enters dead shortage state, Normal Force between composite panel A and subunit A is maximum, realize the braking of drg B maximum, force, and then control A section mover drops to spacing place, bottom, drg A is completely closed, realize service braking.
Work is opened (from braking to open mode): the hoisting force of car is enough lifted in the generation that is first energized of driving governor controls A section mover, the subunit A coordinated with composite panel A moves to upper limit place or close to upper limit place, drg A opens, in opening procedure, composite panel A from short-circuit condition gradually to open-circuit condition transition, Normal Force between composite panel A and subunit A reduces gradually, when the predetermincd tension that the returning spring being less than floating guiding pair is little, brake is opened under returning spring effect (declutching), now, because returning spring restoring force is less, this power that declutches is also less, upper limit place is moved to along with in subunit A continuation, gap between subunit A and composite panel A increases to maximum, drg brake disc declutches completely, and then control B section mover energising generation hoisting force opens drg B, realize brake operation to open and elevator normal hoisting.
Two, float slip concentrated setting
Service braking (from being opened to braking mode): driver controller (can share an elevator driving controller, without the need to separately establishing special driving governor, power source special) control elevator orderly shutdown (zero velocity), keep whole section (containing A, B section) mover energising lift car, mover (comprises subunit A, B), mover beam and back-shaped beam remain static, then, driving governor reduces hovering gradually and lifts electromagnetic force, when being less than deadweight, during the making a concerted effort of retracing spring and magnetic restoring force, composite panel A, B upwards moves to edge on back-shaped beam gradually under retracing spring and the combined action of magnetic restoring force, composite panel A, B and corresponding subunit A, Normal Force between B increases gradually, drg A, B closes, realize service braking.
Work is opened (from braking to open mode): driving governor (can share an elevator driving controller, without the need to separately establishing special driving governor, power source special) control whole section (containing A, B section) mover be first energized produce enough lift mover beam, the hoisting force of car frame and car, then mover beam is driven with setting speed, mover (comprises subunit A, B), back-shaped beam moves to composite panel A, the bottom of B or close to composite panel A, the bottom of B, composite panel A, B and corresponding subunit A, Normal Force between B reduces gradually, drg A, B opens, realize brake operation to open and elevator normal hoisting.
Above-mentioned two class drgs are normally opened or in Operating In Persistent Current Mode process, mover are carried or to move down stroke shorter, generally within tens millimeters (as 20-60mm), and the forced stroke of the electromagnet only quite and in ordinary electromagnetic formula sure brake.
In accident power-off situation, mover is in deadweight, retracing spring and larger magnetic restoring force make a concerted effort to fall rapidly with several times acceleration due to gravity under combined action, primary Calculation, mover whereabouts (i.e. brake) time is within a few tens of milliseconds (as 40ms), the distance of glide of car is less than 7mm, slip velocity is less than 0.37m/s, slip down to if consider about about 1/2 stroke time, brake braking force has reached 50% of maximum braking force, from appropriate design angle, by twice dynamic braking safe clearance, now car can be braked, distance of glide and speed less, all much smaller than safety tongs set action speed (when exceeding 10% just action of the specified running velocity of car, the specified running velocity of the above elevator of general load-carrying 800kg is at 1 ~ more than 2.5m/s), be enough to ensure car and personal security.
In lifting process, hoisting force is not or in the situation that runs out of steam: due to subunit A, B bears to promote load simultaneously together with other subunit, no matter be subunit A, B, or other one or more groups subunit any, occur that hoisting force not or the situation that runs out of steam, as long as the load that the subunit of remaining work bears does not exceed the feed pull maximum (being generally 1.5 ~ 2 times of specified hoisting forcees) that can bear, just continue by Systematical control, once exceed maximum bearing ability, linear electric motors step-out, no matter whether system sends out band-type brake instruction, mover is in deadweight, under retracing spring (or retarding spring) and magnetic restoring force force action, can automatically implement rapidly " self-protection " safety arrestment of hoisting force disappearance, fundamentally ensure that real time security and the reliability of elevator (gig), avoid the indiscriminate dynamic of the mandatory back-up protection equipment of safety tongs, frequently dynamic, malfunction causes clamp and braking rail to produce destructiveness, severe impact, friction, vibrations, stop transport and overhaul the generation of the severe safety accidents such as even personal injury.
Above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (10)
1. the two reinforcement sure brake of High Performance, the braking drive organ comprising friction braking mechanism (9) and be connected with friction braking mechanism (9), it is characterized in that, described braking drive organ comprises composite panel (13) and dynamic magnetic level (12), described composite panel (13) forms for permeability magnetic material (2) or be arranged in order by least one group of permeability magnetic material (2) and non-magnet material (1), described dynamic magnetic level (12) forms for magnet (4) or be arranged in order by the magnet (4) of at least one group and unshakable in one's determination (3), three dynamic magnetic levels or two dynamic magnetic levels and a composite panel or two composite panels and a dynamic magnetic level are at least set, the mutual free-running fit of three, three be positioned at middle one or two other be connected with at least one friction braking mechanism (9), at least one composite panel (13) be not connected with friction braking mechanism (9) or dynamic magnetic level (12) are connected with outer actuating device (91).
2. the two reinforcement sure brake of High Performance according to claim 1, it is characterized in that, described braking drive organ is two, be separately positioned on friction braking mechanism (9) both sides, one in the composite panel (13) of side braking drive organ or dynamic magnetic level with in the composite panel (13) of opposite side braking drive organ or dynamic magnetic level (12) with being connected with friction braking mechanism (9).
3. the two reinforcement sure brake of High Performance according to claim 1, it is characterized in that, braking drive organ comprises support body (18), described support body (18) is provided with floating position-limiting guiding pair (10) and the spacing guiding pair (16) that slides, three is positioned at middle one or two other composite panel (13) or dynamic magnetic level (12), and to be arranged on floating position-limiting guiding pair (10) upper and be connected with at least one friction braking mechanism (9), at least one composite panel (13) be not connected with friction braking mechanism (9) or dynamic magnetic level (12) be arranged on the spacing guiding pair (16) that slides upper and with outer actuating device,
Or braking drive organ comprises back-shaped beam (201), the upper concentrated setting of described back-shaped beam (201) has floating slide-and-guide pair (92), three is positioned at middle one or two other composite panel (13) or dynamic magnetic level (12), and to be arranged on floating slide-and-guide pair (92) upper and be connected with at least one friction braking mechanism (9), and at least one composite panel (13) be not connected with friction braking mechanism (9) or dynamic magnetic level (12) are connected with back-shaped beam (201) and are driven by outer actuating device.
4. the two reinforcement sure brake of High Performance according to claim 3, it is characterized in that, described floating position-limiting guiding pair (10) comprises the floating guiding rail be arranged on support body (18), the floating position-limiting block being arranged on floating guiding rail end and the retracing spring be enclosed within floating guiding rail, and the spacing guiding pair of described slip (16) comprises the slide-and-guide rail be arranged on support body, the slip limiting stopper being arranged on slide-and-guide rail end and the recoil spring be enclosed within slide-and-guide rail;
Described floating slide-and-guide pair (92) comprises slip position-limited trough (200) and floating position-limiting groove (202), slip retracing spring (203) is set in slip position-limited trough (200), in floating position-limiting groove (202), arrange floating retracing spring (204) and floating guiding rail (205), composite panel (13) or subunit (12) are equipped with by float retracing spring (204) and floating guiding rail (205) and back-shaped beam (201).
5. the two reinforcement sure brake of the High Performance according to any one of claim 1-4, it is characterized in that, described outer actuating device is electromagnet, electric actuator, fluid power actr, electro-hydraulic actuator, drive motor.
6. the two reinforcement sure brake of linear electric motors High Performance, comprise the stator (11) be arranged on fixed base, friction braking mechanism (9), and the braking drive organ to be connected with friction braking mechanism (9), be arranged on the mover (60) on mover beam (61), stator (11) is made up of at least one group of stator unit, mover (60) is made up of at least one group of subunit, mover (60) and stator (11) are equipped with formation linear electric motors, it is characterized in that, described subunit is that magnet or be arranged in order by least one group of magnet and iron core forms, dynamic magnetic level is at least one group of subunit, composite panel (13) or the dynamic magnetic pole (12) of two free-running fits are set at mover (60) side clearance coordinated with linear motor stator electric (11), be connected with at least one friction braking mechanism (9) near one of mover (60) or two other composite panel (13) or dynamic magnetic pole (12) in three, at least one composite panel (13) be not connected with friction braking mechanism (9) or dynamic magnetic level (12) are promoted by least one group of subunit or pull.
7. the two reinforcement sure brake of linear electric motors High Performance according to claim 6, it is characterized in that, mover beam (61) is provided with floating position-limiting guiding pair (10) and the spacing guiding pair (16) that slides, floating position-limiting guiding pair (10) is arranged near one of mover (60) or two other composite panel (13) or dynamic magnetic pole (12) upper and be connected with at least one friction braking mechanism (9) in three, at least one composite panel (13) be not connected with friction braking mechanism (9) or dynamic magnetic level (12) are arranged on the spacing guiding pair (16) that slides and go up and promoted by least one group of subunit or pull,
Or mover beam is arranged back-shaped beam (201), the upper concentrated setting of described back-shaped beam (201) has floating slide-and-guide pair (92), be arranged on floating slide-and-guide pair (92) near one of mover (60) or two other composite panel (13) or dynamic magnetic pole (12) in three upper and be connected with at least one friction braking mechanism (9), at least one composite panel (13) be not connected with friction braking mechanism (9) or dynamic magnetic level (12) are connected with back-shaped beam (201) or mover beam (61) and are promoted by least one group of subunit or pull.
8. the two reinforcement safety arrestment cordless elevator of High Performance, comprise the fixed base arranged along hoistway, mover beam (61), car, be arranged on the mover (60) on mover beam (61), friction braking mechanism (9), be arranged on the stator (11) on fixed base and guide rail, mover (60) is made up of at least one group of subunit, stator (11) is made up of at least one group of stator unit, mover (60) and stator (11) are equipped with formation linear electric motors, it is characterized in that, described subunit is that magnet or be arranged in order by least one group of magnet and iron core forms, dynamic magnetic level is at least one group of subunit, composite panel (13) or the dynamic magnetic pole (12) of two free-running fits is provided with at mover (60) side clearance coordinated with linear motor stator electric (11), be connected with at least one friction braking mechanism (9) near one of mover (60) or two other composite panel (13) or dynamic magnetic pole (12) in three.
9. the two reinforcement safety arrestment cordless elevator of High Performance according to claim 8, it is characterized in that, mover beam (61) is provided with floating position-limiting guiding pair (10) and slide spacing guiding pair (16) and spacing beam (20), described spacing beam (20) is provided with recoil spring (21), mover beam (61) is provided with floating position-limiting guiding pair (10) and the spacing guiding pair (16) that slides, floating position-limiting guiding pair (10) is arranged near one of mover (60) or two other composite panel (13) or dynamic magnetic pole (12) upper and be connected with at least one friction braking mechanism (9) in three, at least one composite panel (13) be not connected with friction braking mechanism (9) or dynamic magnetic level (12) are arranged on the spacing guiding pair (16) that slides and go up and promoted by least one group of subunit or pull,
Or mover beam is arranged back-shaped beam (201), the upper concentrated setting of described back-shaped beam (201) has floating slide-and-guide pair (92), be arranged on floating slide-and-guide pair (92) near mover (60) or two other composite panel (13) or dynamic magnetic pole (12) upper and be connected with at least one friction braking mechanism (9), at least one composite panel (13) be not connected with friction braking mechanism (9) or dynamic magnetic level (12) are connected with back-shaped beam (201) or mover beam (61) and are promoted by least one group of subunit or pull.
10. the two reinforcement safety arrestment cordless elevator of High Performance according to claim 9, it is characterized in that, described floating slide-and-guide pair (92) comprises and is arranged on slip position-limited trough (200) in back-shaped beam (201) and floating position-limiting groove (202), slip retracing spring (203) is set in slip position-limited trough (200), floating retracing spring (204) and floating guiding rail (205) are set in floating position-limiting groove (202), be equipped with by float retracing spring (204) and floating guiding rail (205) and back-shaped beam (201) near mover (60) or two other composite panel (13) or dynamic magnetic pole (12), back-shaped beam (201) and mover beam (61) or car frame or car are connected.
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| CN201610138707.8A CN105565107B (en) | 2016-03-12 | 2016-03-12 | The double reinforcement deadman's brakes of high-performance and cordless elevator |
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| CN106892321A (en) * | 2017-05-04 | 2017-06-27 | 常州工学院 | Cordless elevator braking safety device |
| CN111039124A (en) * | 2018-10-12 | 2020-04-21 | 奥的斯电梯公司 | Elevator safety actuator system |
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| CN106892321B (en) * | 2017-05-04 | 2019-01-15 | 常州工学院 | Cordless elevator braking safety device |
| CN111039124A (en) * | 2018-10-12 | 2020-04-21 | 奥的斯电梯公司 | Elevator safety actuator system |
| CN111039124B (en) * | 2018-10-12 | 2022-01-07 | 奥的斯电梯公司 | Elevator safety actuator system |
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| CN105565107B (en) | 2019-03-15 |
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