CN105565107B - High performance double booster safety brake and cordless elevator - Google Patents
High performance double booster safety brake and cordless elevator Download PDFInfo
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- CN105565107B CN105565107B CN201610138707.8A CN201610138707A CN105565107B CN 105565107 B CN105565107 B CN 105565107B CN 201610138707 A CN201610138707 A CN 201610138707A CN 105565107 B CN105565107 B CN 105565107B
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- mover
- floating
- composite plate
- dynamic magnetic
- friction catch
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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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- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
- Linear Motors (AREA)
Abstract
The invention discloses the double reinforcement deadman's brakes of high-performance and cordless elevators.Using the permanent magnetism normal force of linear motor itself and electromagnetism lifting force as braking and drive force, can also tripping spring be used cooperatively together with permanent magnetism, applied or be released brake force, composite plate is moved back and forth by small stroke, dynamic magnetic grade intercouples area, it is gradually increased or reduces to control the brake force of big several times, the steady closure and opening for realizing brake solve existing deadman's brake " be opened and closed two sound " noise and vibration are big, volume is big, from the security hidden troubles such as significant problem and the non-band-type brake of the band-type brake.The configuration of the present invention is simple, at low cost, stopping power is superpower, safe and reliable, impact is small, noise is low, easy to maintain, power consumption is low, small in size, light weight, service life are long, the dedicated driving device of cordless elevator brake can be cancelled, brake structural is simplified, keeps lifting system more compact.Present invention can apply to the multiple fields such as elevator, elevator, pumping unit, lifting, storage, communications and transportation.
Description
Technical field
The invention belongs to electro-mechanical arts, and in particular to the double reinforcement deadman's brakes of high-performance and cordless elevator.
Background technique
Brake is with the important dress for making the functions such as moving component or movable machinery deceleration, stopping or holding halted state
It sets.It is commonly called as brake, lock.There is various structures pattern because of the development of modern industry machinery in brake, wherein friction brakes
Such as spot-type disc brake, electromagnetic brake, floating brake are most widely used.In special equipment field using most
More is the safety brake with loss protecting function.
Existing safety brake is primarily present the big problem such as volume, self weight, noise, especially " two sound of opening and closing ", noise
Vibration problem is prominent: one, generating very because tripping spring discharges huge energy with braking rail or brake disc collision when brake
Big sound and vibration；Two, it needs to overcome tripping spring huge energy when brake (power-off) declutches, causes electromagnet volume very
Greatly, it moved when electromagnet is closed, determine the very big sound of armature collision generation and vibration；For safety-type hydraulic brake, there is also oil
The problems such as case volume is big, oil leak, Maintenance Difficulty, for safe type electromagnetic brake, there is also electromagnet energization instantaneous large-currents pair
After power grid impact is big, moving armature is closed the problems such as power consumption always.Tradition has winding drum, driving motor and the braking of rope elevator
Device is typically mounted in the computer room above building far from passenger, and the above problem may also be not enough to attract people's attention.
But for the cordless elevator of the linear motor of no counterweight driving, carriage interacts by linear motor rotor and stator
The electromagnetic force of generation directly drives, and dynamic primary short primary/long secondary, or short time of dynamic secondary can be used in the method for operation
Grade/long primary two kinds of linear motor arrangements, the part with main winding and energization is known as primary in primary, secondary the two, no
Part with main winding is known as secondary, and the motion parts in the two are known as mover, and fixed part is known as stator, and stator is solid
It is scheduled on hoistway side, mover is fixed on carriage or car frame or mover beam, travelling-magnetic-field is formed when linear electric motor primary is powered,
To generate upward lifting force, carriage movement is driven, brake is servo-actuated to be mounted in mover beam or car frame or carriage, above-mentioned
Noise and vibration problem and volume are big, just become especially prominent from significant problem for problem especially brake " two sound of opening and closing ", and
Because without promoting hawser, it is understood that there may be lifting force is inadequate or loses equal fortuitous events, and system cannot issue band-type brake instruction in time
Or brake receiver instructs less than band-type brake, cannot cause major safety risks problem by band-type brake in time, to the real-time control of brake
It is harsher with security reliability requirement, become cordless elevator key technical issues, before it not can effectively solve, it is difficult to
Realize engineering application.
The invention discloses the double reinforcement deadman's brakes of high-performance and cordless elevators.Utilize the permanent magnet method of linear motor itself
To power and electromagnetism lifting force as braking and drive force, while tripping spring can also be used cooperatively together with permanent magnetism, apply system
Power carries out " dual force (mixing) braking ", the area that intercouples between composite plate, dynamic magnetic grade is moved back and forth by small stroke, to control
The brake force for making big several times is gradually increased or reduces, and realizes the closure and opening of brake, reliable, noise reduction steady with braking,
The remarkable advantages such as damping, solving existing deadman's brake " two sound of opening and closing ", noise is big, volume is big, from significant problem, and this armful
The non-band-type brake of lock, the severe compromises problem such as fail to report lock.The configuration of the present invention is simple, at low cost, stopping power is superpower, safely can
It leans on, impact that small, noise is low, easy to maintain, power consumption is low, small in size, light weight, service life are long, it is special that cordless elevator brake can be cancelled
With driving device, brake structural is simplified, keeps lifting system more compact.Present invention can apply to brake, elevator, mines
The multiple fields such as elevator, oil-field oil pumper, stereo warehouse, hoisting machine, transportation system.
Summary of the invention
The technical problem to be solved by the present invention is to solve existing safety brake " two sound of opening and closing " noise vibration to greatest extent
Move big problem and volume it is big, from significant problem and the non-band-type brake of the band-type brake, peaces such as " not having self-insurance " function of failing to report lock brake itself
Full potential problem.
The technical scheme is that realized with following methods:
The double reinforcement deadman's brakes of high-performance, including friction catch mechanism (9) and the system being connect with friction catch mechanism (9)
Dynamic driving mechanism, which is characterized in that the braking drive organ includes composite plate (13) and dynamic magnetic grade (12), the composite plate
(13) permeability magnetic material (2) or to be arranged successively by least one set of permeability magnetic material (2) and non-magnet material (1), the dynamic magnetic
Grade (12) is magnet (4) or is arranged successively by least one set of magnet (4) and iron core (3), and three dynamic magnetic grades are at least arranged
Or two dynamic magnetic grades and a composite plate or two composite plates and a dynamic magnetic grade, the mutual clearance fit of three, during three is located at
Between one or other two be connected at least one friction catch mechanism (9), at least one not with friction catch mechanism (9) phase
Composite plate (13) or dynamic magnetic grade (12) even is connect with outer driving device (91).
Further, the braking drive organ is two, is separately positioned on friction catch mechanism (9) two sides, side braking
The composite plate (13) or dynamic magnetic grade of the composite plate (13) of driving mechanism or one in dynamic magnetic grade and other side braking drive organ
(12) one in is connected with friction catch mechanism (9).
Further, braking drive organ includes frame body (18), is provided with floating position-limiting guiding pair on the frame body (18)
(10) and sliding limition orientation is secondary (16), and three is located in the middle one or other two composite plate (13) or dynamic magnetic grade (12)
It is arranged on floating position-limiting guiding pair (10) and is connected at least one friction catch mechanism (9), at least one does not make with friction
The connected composite plate (13) of motivation structure (9) or dynamic magnetic grade (12) setting fill in sliding limition orientation secondary (16) and with outer driving
It sets；
Or braking drive organ includes back-shaped beam (201), concentrated setting has floating slide-and-guide on the back-shaped beam (201)
Secondary (92), three is located in the middle one or other two composite plate (13) or dynamic magnetic grade (12) are arranged in floating slide-and-guide
It is connected on secondary (92) and at least one friction catch mechanism (9), at least one is not connected with friction catch mechanism (9) compound
Plate (13) or dynamic magnetic grade (12) are connected with back-shaped beam (201) and are driven by outer driving device.
Further, the floating position-limiting guiding pair (10) include floating guiding rail on frame body (18) is set, setting exists
The floating position-limiting block of floating guiding rail end and cover the reset spring on floating guiding rail, the sliding limition orientation pair (16)
Including be arranged on frame body slide-and-guide rail, the sliding limited block of slide-and-guide rail end be set and cover in slide-and-guide rail
On buffer spring；
The floating slide-and-guide secondary (92) includes sliding limiting slot (200) and floating position-limiting slot (202), is limited in sliding
Setting sliding reset spring (203) in slot (200) is arranged floating reset spring (204) and is floated in floating position-limiting slot (202)
Guided way (205), composite plate (13) or subunit (12) by floating reset spring (204) and floating guiding rail (205) and
Back-shaped beam (201) is equipped with.
Further, the outer driving device is electromagnet, Electric Actuator, fluid power actuator, electro-hydraulic actuator, driving electricity
Machine；
The double reinforcement deadman's brakes of linear motor high-performance, including the stator (11) being arranged on immobilizing foundation, friction system
Motivation structure (9), and the braking drive organ being connect with friction catch mechanism (9), the mover (60) being arranged on mover beam (61),
Stator (11) is made of at least one set of stator unit, and mover (60) is made of at least one set of subunit, mover (60) and stator
(11) it is equipped with composition linear motor, which is characterized in that the subunit is for magnet or by least one set of magnet and iron core
It is arranged successively, moving magnetic grade is at least one set of subunit, in mover (60) side cooperated with linear motor stator electric (11)
The composite plate (13) or dynamic magnetic pole (12) of two clearance fits of gap setting, close to one or other two of mover (60) in three
A composite plate (13) or dynamic magnetic pole (12) be connected at least one friction catch mechanism (9), at least one not with friction catch
The connected composite plate (13) of mechanism (9) or dynamic magnetic grade (12) are pushed or pull on by least one set of subunit.
Further, it is provided with floating position-limiting guiding pair (10) on mover beam (61) and sliding limition orientation is secondary (16), three
In close to one of mover (60) or other two composite plate (13) or dynamic magnetic pole (12) are arranged in floating position-limiting guiding pair
(10) it is connected on and at least one friction catch mechanism (9), at least one composite plate not being connected with friction catch mechanism (9)
(13) or dynamic magnetic grade (12) setting pushes or pull in sliding limition orientation secondary (16) and by least one set of subunit；
Or back-shaped beam (201) are set on mover beam, concentrated setting has floating slide-and-guide pair on the back-shaped beam (201)
(92), in three close to one of mover (60) or the setting of other two composite plate (13) or dynamic magnetic pole (12) is slided floating
It is connected on guiding pair (92) and at least one friction catch mechanism (9), what at least one was not connected with friction catch mechanism (9)
Composite plate (13) or dynamic magnetic grade (12) be connected with back-shaped beam (201) or mover beam (61) and pushed by least one set of subunit or
It pulls；
The double reinforcement safety arrestment cordless elevators of high-performance, including the immobilizing foundation arranged along hoistway, mover beam (61), sedan-chair
Compartment, is arranged mover (60) on mover beam (61), friction catch mechanism (9), be arranged in the stator (11) on immobilizing foundation and
Guide rail, mover (60) are made of at least one set of subunit, and stator (11) is made of at least one set of stator unit, mover (60) with
Stator (11) is equipped with composition linear motor, which is characterized in that the subunit be magnet or by least one set of magnet and
Iron core is arranged successively, and moving magnetic grade is at least one set of subunit, in the mover (60) cooperated with linear motor stator electric (11)
There are two the composite plates (13) or dynamic magnetic pole (12) of clearance fit for side gap setting, in three close to one of mover (60) or
Other two composite plate (13) or dynamic magnetic pole (12) is connected at least one friction catch mechanism (9).
Further, floating position-limiting guiding pair (10) and sliding limition orientation secondary (16) and limit are provided on mover beam (61)
Beam (20) is provided with buffer spring (21) on the limit beam (20), and mover beam is provided with floating position-limiting guiding pair on (61)
(10) and sliding limition orientation is secondary (16), close to one or other two composite plate (13) or the dynamic magnetic of mover (60) in three
Pole (12), which is arranged, to be connected on floating position-limiting guiding pair (10) and at least one friction catch mechanism (9), at least one not with
The connected composite plate (13) of friction catch mechanism (9) or dynamic magnetic grade (12) setting are in sliding limition orientation secondary (16) and by least
One group of subunit pushes or pull on；
Or back-shaped beam (201) are set on mover beam, concentrated setting has floating slide-and-guide pair on the back-shaped beam (201)
(92), it is arranged close to mover (60) one or other two composite plate (13) or dynamic magnetic pole (12) in floating slide-and-guide pair
(92) it is connected on and at least one friction catch mechanism (9), at least one composite plate not being connected with friction catch mechanism (9)
(13) or dynamic magnetic grade (12) is connected with back-shaped beam (201) or mover beam (61) and is pushed or pull on by least one set of subunit.
Further, the floating slide-and-guide secondary (92) includes the sliding limiting slot (200) being arranged in back-shaped beam (201)
With floating position-limiting slot (202), setting sliding reset spring (203) in sliding limiting slot (200), in floating position-limiting slot (202)
Interior setting floating reset spring (204) and floating guiding rail (205), close to mover (60) one or other two composite plate
(13) or dynamic magnetic pole (12) is equipped with by floating reset spring (204) and floating guiding rail (205) with back-shaped beam (201),
Back-shaped beam (201) is connected with mover beam (61) or car frame or carriage.
Compared with prior art, the present invention provides that a kind of structure is simple, at low cost, stopping power is big, safe and reliable, impact
It is small, noise is low, easy to maintain, power consumption is low, small in size, light weight, service life are long, using linear motor itself permanent magnetism normal force and
Deadman's brake and cordless elevator of the electromagnetism lifting force as braking and drive force, can also cooperate tripping spring together with permanent magnetism makes
With, apply brake force, eliminate the dedicated driving device of brake in cordless elevator, can without dedicated brake driving power, system
Dynamic device driver and controller, simplify brake structural, keep lifting system more compact, and save the cost reduces energy consumption.Together
When, the area that intercouples between composite plate, dynamic magnetic grade moved back and forth by small stroke, the control numerically normal force of big several times
It is gradually increased or reduces, the closure and opening of Lai Shixian brake have steady braking, reliable, noise reduction, damping etc. significant excellent
Point, solve existing deadman's brake " opening and closing two sound " noise and vibration be big, volume is big, from significant problem and the brake band-type brake not
The severe compromises problems such as band-type brake, leakage band-type brake.Present invention can apply to brake, building elevator, mine hoist, oil fields to take out
The multiple fields such as oil machine, stereo warehouse, hoisting machine and other transportation systems.
Detailed description of the invention
Fig. 1 ~ 6 are the principle of the present invention figure.
Fig. 7 ~ 11 are the structural schematic diagram of the double reinforcement deadman's brakes of high-performance of the present invention.
Figure 12 ~ 21 are the structural schematic diagram of the double reinforcement deadman's brakes of high-performance of the present invention or cordless elevator.
In attached drawing: 1 non-magnet material, 2 permeability magnetic materials, 3 iron cores, 4 magnets, 5 windings, 6 grades, 8 guide rails, 9 friction catches
Mechanism, 10 floating position-limiting guiding pairs, 11 stators, 12 dynamic magnetic grades, 13 composite plates, 16 sliding limition orientation pairs, 18 frame bodies, 20 limits
Beam, 21 buffer springs, 60 movers, 61 mover beams, 70 spherical balls, 71 braking linking arms, 91 outer driving devices, 92, which float, slides
Guiding pair, 100 carriages, 150 drive connector, 152 tripping springs, 200 sliding limiting slots, 201 back-shaped beams, 202 floating position-limitings outside
Slot, 203 sliding reset springs, 204 floating reset springs, 205 floating guiding rails.
Specific embodiment
Elaboration is further made to the present invention with reference to the accompanying drawings and examples.
It is as shown in Figure 1 and Figure 2 one group of magnet for dynamic magnetic grade, composite plate is the minimal structure basic principle of one group of magnetic conductive board
Figure, magnet and magnetic conductive board fit clearance are arranged, when magnetic conductive board mutually couples (referred to as short-circuit condition) with magnet completely, the two it
Between the normal direction magnetic attraction that generates it is maximum, when longitudinal movement magnet or magnetic conductive board both make to gradually decrease coupling area (not coupling completely
Close, referred to as open-circuit condition), then normal direction magnetic attraction is gradually decrease to zero between the two, will be same in longitudinal movement direction during this
When by the effect for attempting to hinder mobile, opposite reluctance force, reluctance force of this reluctance force under short circuit and open-circuit condition is zero,
It is the maximum (1/5-1/ of the general only maximum normal force of maximum reluctance force that this reluctance force has just been left near magnet positions in magnetic conductive board
10 or less) it, is gradually decreased as zero later.At this point, making the two gradually increase coupling area when reversed return is mobile, then between the two
Normal direction magnetic attraction is gradually increased to maximum, will be resetted referred to as magnetic restoring force by a kind of help simultaneously during reversed return
Effect, this magnetic restoring force and reluctance force it is equal in magnitude, direction is identical, that is to say, that by similar in reciprocating movement
In the effect of the power of spring, forward direction is resistance, is reversed reply pulling force, substantially sees it is that magnetic circuit itself always attempts to keep in the center
(magnetic circuit couples completely, the smallest maximum magnetic flux suction force state of magnetic resistance).Phase is controlled by the mobile composite plate of low-force or dynamic magnetic grade
Mutual coupling area, so that it may control the normal direction magnetic attraction of numerically big several times.Both composite plate and dynamic magnetic grade gap and magnetic attraction
It is positive feedback effect relationship, gap is smaller, and the two magnetic attraction is bigger；Conversely, gap is bigger, magnetic attraction is smaller.
It is at least arranged successively by one group of magnet with iron core as Fig. 3 ~ Fig. 4 show dynamic magnetic grade, composite plate is led by one group
Magnetic sheet is arranged successively with non-magnetic plate, moves basic schematic diagram of the magnetic grade between composite plate and stator.In Fig. 3, stator
At least be made of one group of winding and grooved core, the center of two permeability magnetic material of arbitrary neighborhood of composite plate or non-magnet material away from
The center of dynamic two magnet of magnetic grade arbitrary neighborhood away from it is equal be t, when the center of composite plate permeability magnetic material away from in dynamic magnetic grade magnet
When the heart is away from being overlapped, magnetic attraction is maximum between the two for composite plate and dynamic magnetic grade, and stator is with dynamic magnetic grade that magnetic attraction is between the two
It is minimum；When the center of composite plate non-magnet material with the center line of dynamic magnetic grade magnet away from being overlapped, both composite plate and dynamic magnetic grade
Between magnetic attraction be minimum, and magnetic attraction is maximum between the two for stator and dynamic magnetic grade；By moving back and forth composite plate or dynamic magnetic
A t/2 distance in grade makes magnetic attraction gradually become maximum or minimum, during this, also will receive the similar magnetic of Fig. 1 and replys
The effect of power and reluctance force.In shown in the upper figure of Fig. 3, the primary that magnetic grade is permanent-magnet linear flux switching motor is moved, if it is moved
Referred to as mover, stator are the secondary (grooved core) of permanent-magnet linear flux switching motor, and dynamic magnetic grade is equipped with stator, multiple
Plywood is in short-circuit condition (i.e. magnet center line is overlapped with magnetic conductive board center line), at this point, permanent magnetic field mainly act on it is compound
Between plate and dynamic magnetic grade, magnetic attraction is maximum between the two for composite plate and dynamic magnetic grade, stator and dynamic magnetic grade magnetic attraction between the two
For minimum, only sub-fraction magnetic fields in stator and dynamic magnetic grade between the two, make as permanent-magnet linear flux switching motor
Smaller with contributing, electric motors function is limited；In shown in Fig. 3 following figure, composite plate is in open-circuit condition, i.e., magnet center line with it is non-magnetic
Plate center line is overlapped, at this point, magnetic attraction is close to zero between the two for minimum for composite plate and dynamic magnetic grade, permanent magnetic field main function
In dynamic magnetic grade and stator, magnetic attraction is maximum between the two for stator and dynamic magnetic grade, at this point, if the winding of dynamic magnetic grade is powered, stator
Have become the permanent-magnet linear flux switching motor of a normal work with dynamic magnetic grade.Composite plate and dynamic magnetic grade between the two between
Gap and magnetic attraction are positive feedback effect relationships, i.e., gap is smaller between the two with dynamic magnetic grade for composite plate, and magnetic attraction is bigger；Conversely,
Gap is bigger, and magnetic attraction is smaller, and stator gradually changes into the permanent-magnet linear flux switching motor of normal output with dynamic magnetic grade.
In shown in Fig. 4, the secondary that magnetic grade is permanent-magnet linear salient-pole machine is moved, is at least arranged successively by one group of magnet with noseiron
It forms, because collateral motion is also referred to as mover, composite plate is arranged successively by one group of magnetic conductive board with non-magnetic plate, and stator is
The primary of permanent-magnet linear salient-pole machine is at least made of one group of winding and grooved core, and composite plate is that one group of magnetic conductive board is led with non-
The assembly that magnetic sheet is arranged successively moves basic schematic diagram of the magnetic grade between composite plate and stator.In the upper figure of Fig. 4, composite plate
In short-circuit condition, i.e. magnet center line is overlapped with permeability magnetic material center line；In Fig. 4 following figure, composite plate is in open-circuit condition, i.e.,
Magnet center line is overlapped with non-magnet material center line.Remaining same Fig. 1-Fig. 2.
Above-mentioned magnet is monolithic magnet or one group of magnet, or identical by polarity or different muti-piece magnet forms, such as
Halbach magnet array.Magnet is the magnetic materials such as permanent magnet, electrical excitation body, superconducting magnet.
According to above-mentioned principle, three dynamic magnetic grade/composite plates are set and is made into deadman's brake and suits somebody to a T: setting three
Dynamic magnetic grade or two dynamic magnetic grades and a composite plate or two composite plates and a dynamic magnetic grade, the mutual clearance fit of three, and make
One in three and other two (along longitudinal direction) arranged in dislocation, so that the normal force and magnetic field between three are one side enhancing
(maximum), in addition on one side weaken (minimum), or on one side for attraction, in addition while be repulsive force, therefore, by one in three
Or two composite plates (13) or dynamic magnetic grade (12) are connected at least one friction catch mechanism brake block or brake arm, in addition two
It is a or one is moved back and forth by the small stroke of itself or outer power drive, so that it may to control normal gap, normal force is gradually increased
Or be gradually reduced and realize that the steady of brake closes or opens function, two dynamic magnetic grade/composite plates are separately provided in stopping power ratio
It is eager to excel much bigger (at least one times strong), control characteristic is also more flexible.As shown in Fig. 5 ~ Fig. 6.
Magnetic grade/composite plate principle is moved using above three, can also simultaneously be used cooperatively tripping spring together with permanent magnetism,
Apply or release brake force and carry out " mixing (dual force) braking or opening ", further ensures that brake is pacified with purely mechanic mode of braking
Complete reliable braking: tripping spring power can be made every effort to overcome by can at least brake nominal load design using the repulsive force or attraction on one side
System of mourning spring force of moving opens brake, after displacement, is used to be closed together using the magnetic attraction and tripping spring on other one side and (embrace
Lock), have brake force superpower, the remarkable advantage that required opening force is small, safe and reliable.
Embodiment 1
As shown in Fig. 7 ~ 11, the double reinforcement deadman's brakes of high-performance, including friction catch mechanism (9) and with friction catch machine
The braking drive organ of structure (9) connection, which is characterized in that the braking drive organ includes composite plate (13) and dynamic magnetic grade
(12), the composite plate (13) is permeability magnetic material (2) or is successively arranged by least one set of permeability magnetic material (2) and non-magnet material (1)
It arranges, the dynamic magnetic grade (12) is magnet (4) or is arranged successively by least one set of magnet (4) and iron core (3), at least
Three dynamic magnetic grades of setting or two dynamic magnetic grades and a composite plate or two composite plates and a dynamic magnetic grade, three match in mutual gap
Close, three be located in the middle one or other two be connected at least one friction catch mechanism (9), at least one not with friction
The connected composite plate (13) of arrestment mechanism (9) or dynamic magnetic grade (12) are connect with outer driving device (91).Or the braking driving machine
Structure is two, is separately positioned on friction catch mechanism (9) two sides, in the composite plate (13) or dynamic magnetic grade of side braking drive organ
A composite plate (13) or dynamic magnetic grade (12) with other side braking drive organ in one with friction catch mechanism (9)
It is connected.
Or braking drive organ includes frame body (18), and floating position-limiting guiding pair (10) is provided on the frame body (18) and is slided
Dynamic limition orientation is secondary (16), and three is located in the middle composite plate (13) or dynamic magnetic grade (12) setting of one or other two floating
Be connected in dynamic limition orientation secondary (10) and at least one friction catch mechanism (9), at least one not with friction catch mechanism (9)
Connected composite plate (13) or dynamic magnetic grade (12) setting are connected in sliding limition orientation secondary (16) and with outer driving device.It is described
Floating position-limiting guiding pair (10) includes the floating guiding rail being arranged on frame body (18), the floating that floating guiding rail end is arranged in
Limited block and cover the reset spring on floating guiding rail, the sliding limition orientation pair (16) includes the cunning being arranged on frame body
Action-oriented rail, the sliding limited block that slide-and-guide rail end is set and cover the buffer spring on slide-and-guide rail.
Embodiment 2
As shown in Figures 12 and 13, the double reinforcement deadman's brakes of high-performance, braking drive organ includes back-shaped beam (201), institute
To state concentrated setting on back-shaped beam (201) have that floating slide-and-guide is secondary (92), and three is located in the middle one or other two is answered
Plywood (13) or dynamic magnetic grade (12) setting on floating slide-and-guide secondary (92) and at least one friction catch mechanism (9) phase
Even, at least one composite plate (13) not being connected with friction catch mechanism (9) or dynamic magnetic grade (12) are connected simultaneously with back-shaped beam (201)
It is driven by outer driving device.The floating slide-and-guide secondary (92) includes sliding limiting slot (200) and floating position-limiting slot (202),
Setting sliding reset spring (203) in sliding limiting slot (200), is arranged floating reset spring in floating position-limiting slot (202)
(204) it is led with floating guiding rail (205), composite plate (13) or subunit (12) by floating reset spring (204) and floating
It is equipped with to rail (205) and back-shaped beam (201).
Embodiment 3
As shown in Fig. 5,6 and 14 ~ 17, the double reinforcement deadman's brakes of linear motor high-performance, including be arranged in immobilizing foundation
On stator (11), friction catch mechanism (9), and the braking drive organ connecting with friction catch mechanism (9) is arranged in mover
Mover (60) on beam (61), stator (11) are made of at least one set of stator unit, and mover (60) is by least one set of subunit
Composition, mover (60) and stator (11) are equipped with composition linear motor, which is characterized in that the subunit be magnet or by
At least one set of magnet and iron core are arranged successively, and moving magnetic grade is at least one set of subunit, with linear motor stator electric (11)
The composite plate (13) or dynamic magnetic pole (12) of mover (60) side two clearance fits of gap setting of cooperation, three is located in the middle
One or other two is connected at least one friction catch mechanism (9), at least one is not connected with friction catch mechanism (9)
Composite plate (13) or dynamic magnetic grade (12) are pushed or pull on by least one set of subunit.Mover beam is provided with floating position-limiting on (61)
Guiding pair (10) and sliding limition orientation are secondary (16), close to one or other two the composite plate (13) of mover (60) in three
Or dynamic magnetic pole (12) is arranged on floating position-limiting guiding pair (10) and is connected at least one friction catch mechanism (9), at least one
A composite plate (13) not being connected with friction catch mechanism (9) or dynamic magnetic grade (12) are arranged in sliding limition orientation secondary (16) simultaneously
It is pushed or pull on by least one set of subunit.
Embodiment 4
As shown in Fig. 5,6 and 18 ~ 21, back-shaped beam is arranged on mover beam in linear motor high-performance double reinforcement deadman's brakes
(201), concentrated setting has floating slide-and-guide secondary (92) on the back-shaped beam (201), close to one of mover (60) in three
Or other two composite plate (13) or dynamic magnetic pole (12) setting rubs on floating slide-and-guide secondary (92) and at least one
Arrestment mechanism (9) is connected, at least one composite plate (13) not being connected with friction catch mechanism (9) or dynamic magnetic grade (12) with it is back-shaped
Beam (201) or mover beam (61) are connected and are pushed or pull on by least one set of subunit.
Embodiment 5
As shown in Fig. 5,6 and 14 ~ 17, the double reinforcement safety arrestment cordless elevators of high-performance, including the fixation arranged along hoistway
Basis, mover beam (61), carriage, the mover (60) being arranged on mover beam (61), friction catch mechanism (9) are arranged in fixation
On the basis of stator (11) and guide rail, mover (60) is made of at least one set of subunit, and stator (11) is by least one set of stator
Unit composition, mover (60) and stator (11) are equipped with composition linear motor, which is characterized in that the subunit is magnet
Or be arranged successively by least one set of magnet and iron core, moving magnetic grade is at least one set of subunit, with linear motor stator electric
(11) there are two the composite plates (13) or dynamic magnetic pole (12) of clearance fit for mover (60) side gap setting cooperated, lean in three
One or other two composite plate (13) or dynamic magnetic pole (12) and at least one friction catch mechanism (9) phase of nearly mover (60)
Even.Floating position-limiting guiding pair (10) and sliding limition orientation secondary (16) and limit beam (20) are provided on mover beam (61), it is described
It is provided with buffer spring (21) in limit beam (20), floating position-limiting guiding pair (10) and sliding limit is provided on mover beam (61)
Guiding pair (16), close to one of mover (60) or other two composite plate (13) or dynamic magnetic pole (12) setting is floating in three
Be connected in dynamic limition orientation secondary (10) and at least one friction catch mechanism (9), at least one not with friction catch mechanism (9)
Connected composite plate (13) or dynamic magnetic grade (12) setting push away in sliding limition orientation secondary (16) and by least one set of subunit
Dynamic or pulling.
Embodiment 6
As shown in Fig. 5,6 and 18 ~ 21, back-shaped beam is arranged on mover beam in high-performance double reinforcement safety arrestment cordless elevators
(201), concentrated setting has floating slide-and-guide secondary (92) on the back-shaped beam (201), in three close to mover (60) one or
Other two composite plate (13) or dynamic magnetic pole (12) setting is made on floating slide-and-guide secondary (92) and at least one friction
Motivation structure (9) is connected, at least one composite plate (13) not being connected with friction catch mechanism (9) or dynamic magnetic grade (12) and back-shaped beam
(201) or mover beam (61) is connected and is pushed or pull on by least one set of subunit.The floating slide-and-guide secondary (92) packet
The sliding limiting slot (200) and floating position-limiting slot (202) being arranged in back-shaped beam (201) are included, is set in sliding limiting slot (200)
Sliding reset spring (203) is set, setting floating reset spring (204) and floating guiding rail in floating position-limiting slot (202)
(205), composite plate (13) or dynamic magnetic pole (12) pass through floating reset spring (204) and floating guiding rail (205) and back-shaped beam
(201) it is equipped with, back-shaped beam (201) is connected with mover beam (61) or car frame or carriage.
Illustrate the permanent magnetism normal force of the invention using linear motor itself below with reference to Figure 15 ~ 16 and Figure 18 ~ 21 and mentions
Braking operation process of the lift as the cordless elevator (elevator) of brake driving force:
As special equipment, brake generally requires two sets of setting for elevator or elevator, is located on A sections of movers and braking is arranged
Brake B is arranged in device A on B sections of movers.It is described separately below for two kinds of structural principles.
One, it floats, sliding is provided separately
Service braking (from on-position is opened to): driver controller controls elevator orderly shutdown (0 speed), keeps A
Carriage is lifted in section mover energization, and brake A continues to open, and then controlling B sections of movers makes the subunit cooperated with composite plate A
A is moved down, and makes composite plate A from the open-circuit condition gradually Normal Force to short-circuit condition transition, between composite plate A and subunit A
Be gradually increased, when being greater than the little pretightning force of returning spring of floating guiding pair, returning spring is compressed, subunit A and
Gap between composite plate A is reduced rapidly, brake brake disc start to embrace guide rail (at this point, because of normal force and little, band-type brake power compared with
It is small), later, subunit A continues to fall, and when falling on bottom spacing place instantly, composite plate enters dead short state, composite plate
Normal Force between A and subunit A is maximum, realizes brake B maximum dynamic braking, then controls A sections of movers again and falls
To bottom spacing place, brake A is closed completely, and realizes service braking.
Work is opened (from braking to opening state): drive control device A sections of movers of control are first powered to generating to be lifted enough
The lifting force of carriage moves up supreme spacing place with the subunit A of composite plate A cooperation or close at upper limit, brake A is beaten
Open, in opening procedure, composite plate A from short-circuit condition gradually to open-circuit condition transition, between composite plate A and subunit A
Normal Force is gradually reduced, and when the little pretightning force of the returning spring for being less than floating guiding pair, brake is in returning spring
Effect is lower to open (declutching), at this point, this power that declutches is also smaller because returning spring restoring force is smaller, continue with subunit A on
It moves at upper limit, the gap between subunit A and composite plate A increases to maximum, and brake brake disc declutches completely, then controls again
B sections of mover processed, which is powered, generates lifting force opening brake B, realizes brake operation opening and elevator normal hoisting.
Two, float sliding concentrated setting
Service braking (from on-position is opened to): driver controller (can share an elevator driving controller, be not necessarily to
Separately set dedicated drive control device, power source special) control elevator orderly shutdown (zero velocity), keep whole section of (containing A, B sections) mover logical
Electricity lifts carriage, and mover (including subunit A, B), mover beam and back-shaped beam remain static, then, drive control device
It is gradually reduced hovering and lifts electromagnetic force, when being less than the resultant force of self weight, reset spring and magnetic restoring force, composite plate A, B is resetting
Edge on back-shaped beam is gradually moved to upwards under spring and magnetic restoring force collective effect, composite plate A, B and corresponding subunit A, B
Between Normal Force be gradually increased, brake A, B closure, realize service braking.
Work is opened (from braking to opening state): drive control device (can share an elevator driving controller, without another
If dedicated drive control device, power source special) whole section of (contain A, B section) mover of control be first powered to generating and lift mover beam, sedan-chair enough
Then the lifting force of compartment frame and carriage drives mover beam, mover (including subunit A, B), back-shaped beam to move up with setting speed
Bottom to composite plate A, B or the bottom close to composite plate A, B, the normal direction between composite plate A, B and corresponding subunit A, B
Suction is gradually reduced, and brake A, B are opened, and realizes that brake operation is opened and elevator normal hoisting.
In the above-mentioned normal open or close course of work of two classes brake, it is shorter to mention or move down stroke on mover, generally exists
Within tens millimeters (such as 20-60mm), the only impulse stroke quite with the electromagnet in ordinary electromagnetic formula deadman's brake.
In the case of accident power-off, mover is under self weight, reset spring and larger magnetic restoring force resultant force collective effect with several times
Acceleration of gravity falls rapidly, primary Calculation, mover fall (i.e. brake) time be a few tens of milliseconds (such as 40ms) within,
The distance of glide of carriage is less than 7mm, and gliding speed is less than 0.37m/s, if in view of when slipping down to about 1/2 left and right stroke, braking
Device brake force has reached the maximum the 50% of brake force, from angle is rationally designed, by twice of dynamic braking safe clearance, at this time
Carriage can be braked, distance of glide and speed are smaller, much smaller than safety tongs set action speed (when specified beyond carriage
The 10% of the speed of service just acts, and the specified speed of service of the general above elevator of load-carrying 800kg is in 1 ~ 2.5m/s or more), it is sufficient to it protects
Demonstrate,prove carriage and personnel safety.
Lifting force is not enough or in the case of running out of steam in lifting process: due to subunit A, B be simultaneously with other movers
Unit undertakes together promotes load, and either subunit A, B or other any group of or multiple groups subunit occur
Lifting force not enough or the situation that runs out of steam, as long as the load that the subunit of remaining work is born is without departing from the maximum being able to bear
Lifting force (generally 1.5 ~ 2 times of specified lifting forces), continues to be controlled by system, once exceed maximum bearing ability, straight-line electric
Machine step-out, no matter whether system sends out band-type brake instruction, and mover is made in self weight, reset spring (or tripping spring) and magnetic restoring force resultant force
Under, the rapid automatic implementation lifting force of meeting lacks " self-protection " safety arrestment, fundamentally ensures elevator (elevator)
Real time security and reliability, indiscriminate dynamic, the frequently dynamic, malfunction for avoiding the mandatory reserve protection of safety tongs cause clamp and system
Dynamic rail generates destructiveness, severe impact, friction, vibration, the generation for the serious safeties accidents such as maintenance even personal injury of stopping transport.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (10)
1. the double reinforcement deadman's brakes of high-performance, including friction catch mechanism (9) and the braking being connect with friction catch mechanism (9)
Driving mechanism, which is characterized in that the braking drive organ includes composite plate (13) and dynamic magnetic grade (12), the composite plate (13)
It is arranged successively for permeability magnetic material (2) or by least one set of permeability magnetic material (2) and non-magnet material (1), the dynamic magnetic grade
(12) be arranged successively for magnet (4) or by least one set of magnet (4) and iron core (3), at least three dynamic magnetic grades of setting or
Two dynamic magnetic grades and a composite plate or two composite plates and a dynamic magnetic grade, the mutual clearance fit of three, three are located at centre
One or other two is connected at least one friction catch mechanism (9), at least one is not connected with friction catch mechanism (9)
Composite plate (13) or dynamic magnetic grade (12) connect with outer driving device (91).
2. the double reinforcement deadman's brakes of high-performance according to claim 1, which is characterized in that the braking drive organ is
Two, be separately positioned on friction catch mechanism (9) two sides, the composite plate (13) of side braking drive organ or in dynamic magnetic grade one
One in a composite plate (13) or dynamic magnetic grade (12) with other side braking drive organ with friction catch mechanism (9) phase
Even.
3. the double reinforcement deadman's brakes of high-performance according to claim 1, which is characterized in that braking drive organ includes frame
Body (18), floating position-limiting guiding pair (10) is provided on the frame body (18) and sliding limition orientation is secondary (16), during three is located at
Between one or other two composite plate (13) or dynamic magnetic grade (12) be arranged on floating position-limiting guiding pair (10) and at least
The composite plate (13) or dynamic magnetic grade that one friction catch mechanism (9) is connected, at least one is not connected with friction catch mechanism (9)
(12) setting in sliding limition orientation secondary (16) and with outer driving device；
Or braking drive organ includes back-shaped beam (201), concentrated setting has floating slide-and-guide pair on the back-shaped beam (201)
(92), three is located in the middle one or other two composite plate (13) or dynamic magnetic grade (12) are arranged in floating slide-and-guide pair
(92) it is connected on and at least one friction catch mechanism (9), at least one composite plate not being connected with friction catch mechanism (9)
(13) or dynamic magnetic grade (12) is connected with back-shaped beam (201) and is driven by outer driving device.
4. the double reinforcement deadman's brakes of high-performance according to claim 3, which is characterized in that the floating position-limiting guiding pair
(10) include the floating guiding rail being arranged on frame body (18), the floating position-limiting block of floating guiding rail end is set and is covered floating
Reset spring on action-oriented rail, the sliding limition orientation secondary (16) include the slide-and-guide rail being arranged on frame body, setting
Slide-and-guide rail end sliding limited block and cover the buffer spring on slide-and-guide rail；
The floating slide-and-guide secondary (92) includes sliding limiting slot (200) and floating position-limiting slot (202), in sliding limiting slot
(200) setting sliding reset spring (203) in, setting floating reset spring (204) and floating are led in floating position-limiting slot (202)
To rail (205), composite plate (13) or subunit (12) by floating reset spring (204) and floating guiding rail (205) and are returned
Ellbeam (201) is equipped with.
5. the double reinforcement deadman's brakes of high-performance according to claim 1-4, which is characterized in that the outer driving
Device is electromagnet, Electric Actuator, fluid power actuator, electro-hydraulic actuator, driving motor.
6. the double reinforcement deadman's brakes of linear motor high-performance, including the stator (11) being arranged on immobilizing foundation, friction catch
Mechanism (9), and the braking drive organ connecting with friction catch mechanism (9), the mover (60) being arranged on mover beam (61) are fixed
Sub (11) are made of at least one set of stator unit, and mover (60) is made of at least one set of subunit, mover (60) and stator
(11) it is equipped with composition linear motor, which is characterized in that the subunit is for magnet or by least one set of magnet and iron core
It is arranged successively, moving magnetic grade is at least one set of subunit, in mover (60) side cooperated with linear motor stator electric (11)
The composite plate (13) or dynamic magnetic pole (12) of two clearance fits of gap setting, close to one or other two of mover (60) in three
A composite plate (13) or dynamic magnetic pole (12) be connected at least one friction catch mechanism (9), at least one not with friction catch
The connected composite plate (13) of mechanism (9) or dynamic magnetic grade (12) are pushed or pull on by least one set of subunit.
7. the double reinforcement deadman's brakes of linear motor high-performance according to claim 6, which is characterized in that mover beam (61)
On be provided with floating position-limiting guiding pair (10) and sliding limition orientation is secondary (16), close to one of mover (60) or in addition in three
Two composite plates (13) or dynamic magnetic pole (12) be arranged on floating position-limiting guiding pair (10) and at least one friction catch machine
Structure (9) is connected, at least one composite plate (13) not being connected with friction catch mechanism (9) or dynamic magnetic grade (12) setting are limited in sliding
It is pushed or pull on position guiding pair (16) and by least one set of subunit；
Or back-shaped beam (201) are set on mover beam, concentrated setting has floating slide-and-guide pair (92) on the back-shaped beam (201),
Close to one of mover (60) or other two composite plate (13) or dynamic magnetic pole (12) are arranged in floating slide-and-guide in three
It is connected on secondary (92) and at least one friction catch mechanism (9), at least one is not connected with friction catch mechanism (9) compound
Plate (13) or dynamic magnetic grade (12) are connected with back-shaped beam (201) or mover beam (61) and are pushed or drawn by least one set of subunit
It is dynamic.
8. the double reinforcement safety arrestment cordless elevators of high-performance, including the immobilizing foundation arranged along hoistway, mover beam (61), carriage,
The mover (60) being arranged on mover beam (61), friction catch mechanism (9) and is led at the stator being arranged on immobilizing foundation (11)
Rail, mover (60) are made of at least one set of subunit, and stator (11) is made of at least one set of stator unit, mover (60) and fixed
Sub (11) are equipped with composition linear motor, which is characterized in that the subunit is for magnet or by least one set of magnet and iron
The heart is arranged successively, and moving magnetic grade is at least one set of subunit, in the mover (60) one cooperated with linear motor stator electric (11)
Composite plate (13) or dynamic magnetic pole (12) there are two clearance fit is arranged in side clearance, one or another of close mover (60) in three
Outer two composite plates (13) or dynamic magnetic pole (12) are connected at least one friction catch mechanism (9).
9. the double reinforcement safety arrestment cordless elevators of high-performance according to claim 8, which is characterized in that on mover beam (61)
It is provided with floating position-limiting guiding pair (10) and sliding limition orientation secondary (16) and limit beam (20), is arranged on the limit beam (20)
Have buffer spring (21), floating position-limiting guiding pair (10) is provided on mover beam (61) and sliding limition orientation is secondary (16), three
In close to one of mover (60) or other two composite plate (13) or dynamic magnetic pole (12) are arranged in floating position-limiting guiding pair
(10) it is connected on and at least one friction catch mechanism (9), at least one composite plate not being connected with friction catch mechanism (9)
(13) or dynamic magnetic grade (12) setting pushes or pull in sliding limition orientation secondary (16) and by least one set of subunit；
Or back-shaped beam (201) are set on mover beam, concentrated setting has floating slide-and-guide pair (92) on the back-shaped beam (201),
Close to mover (60) one or other two composite plate (13) or dynamic magnetic pole (12) setting on floating slide-and-guide secondary (92)
And be connected at least one friction catch mechanism (9), at least one composite plate (13) not being connected with friction catch mechanism (9) or
Dynamic magnetic grade (12) are connected with back-shaped beam (201) or mover beam (61) and are pushed or pull on by least one set of subunit.
10. the double reinforcement safety arrestment cordless elevators of high-performance according to claim 9, which is characterized in that the floating is slided
Action-oriented pair (92) includes the sliding limiting slot (200) and floating position-limiting slot (202) being arranged in back-shaped beam (201), is being slided
Setting sliding reset spring (203) in limiting slot (200), in floating position-limiting slot (202) setting floating reset spring (204) and
Floating guiding rail (205), it is multiple by floating close to mover (60) one or other two composite plate (13) or dynamic magnetic pole (12)
Position spring (204) and floating guiding rail (205) are equipped with back-shaped beam (201), back-shaped beam (201) and mover beam (61) or sedan-chair
Compartment frame or carriage are connected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610138707.8A CN105565107B (en) | 2016-03-12 | 2016-03-12 | High performance double booster safety brake and cordless elevator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610138707.8A CN105565107B (en) | 2016-03-12 | 2016-03-12 | High performance double booster safety brake and cordless elevator |
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| CN105565107A CN105565107A (en) | 2016-05-11 |
| CN105565107B true CN105565107B (en) | 2019-03-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12214995B2 (en) | 2021-11-05 | 2025-02-04 | Otis Elevator Company | Safety brake system |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106892321B (en) * | 2017-05-04 | 2019-01-15 | 常州工学院 | Cordless elevator braking safety device |
| US10822200B2 (en) * | 2018-10-12 | 2020-11-03 | Otis Elevator Company | Elevator safety actuator systems |
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| JP2586203B2 (en) * | 1990-11-08 | 1997-02-26 | 三菱電機株式会社 | Braking device for linear motor driven elevator |
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| US12214995B2 (en) | 2021-11-05 | 2025-02-04 | Otis Elevator Company | Safety brake system |
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