A kind of anti-falling safe elevator device
Technical field
The utility model belongs to safe elevator system design and manufacturing technology field, more particularly to a kind of anti-falling safe electricity
Terraced system.
Background technique
Modern is higher and higher to the dependence of elevator, and the safety hidden danger of people is also safety problem in need of consideration,
For high building inhabitation people, first to go on a journey daily is to take elevator with the last one vehicles;Due to elevator
Itself is used as a kind of electromechanical integration equipment, inevitably exists in its longtime running lifting process and has fault condition.
For the operational safety for guaranteeing elevator, fall protection equipment need to be assembled, in the lift facility nowadays to come into operation, electricity
Ladder prevents from falling and mainly be realized by devices such as limiter of speed, safety tongs and hoistway bottom end buffer springs, and limiter of speed monitors control at any time
The speed of carriage can issue signal in time when exceeding the speed limit the case where, then generate mechanical action and cut off power supply circuit,
Brake traction machine.If elevator still can not be braked, it is mounted on the safety tongs movement of cage bottom, carriage is forced to make
Stop.But this process can only rest on carriage in hoistway, and stagnant off-position set it is uncertain, so the rescue of professional can only be waited
Carriage could be restored to level position, and withdraw personnel in carriage.The buffer spring device of hoistway bottom end can reduce elevator
The impact force on ground is hit when falling, but effect is limited.
Utility model content
The purpose of the utility model is to provide a kind of anti-falling safe elevator devices, not can guarantee when solving used during elevator falling
Ladder personnel safety and personnel smoothly withdraw difficult problem.
The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of anti-falling safe elevator device, packet
It includes: the metal guide rail in elevator shaft is set;The lift car being mounted in metal guide rail;Leveling buffer, the leveling
Buffer is fixed on the outside of lift car;Leveling buffer is by having home position and trigger position two along fixing axle rotation
Kind position form;Stopping device, the stopping device are fixed in elevator shaft, and setting can in leveling buffer triggering state
The position interfered;Trigger device, the trigger device include permanent magnetism retarding device, flexible connecting device, attachment base and touching
Send out spring;The permanent magnetism retarding device includes retarder casing and the permanent magnet brake including permanent magnet, the permanent magnet brake
The second position is moved to by first position when the lift car speed of service is more than the threshold speed of setting, the second position forever
Distance of the magnet apart from metal guide rail is less than distance of the permanent magnet of first position apart from metal guide rail;The attachment base is fixed on
On permanent magnetism retarding device, flexible connecting device one end connects the permanent magnet brake of permanent magnetism retarding device, and the other end passes through attachment base
Perforation connect with leveling buffer, triggering spring pass through flexible connecting device, be arranged between attachment base and leveling buffer.
The utility model anti-falling safe elevator device as described above, further, the permanent magnetism retarding device includes: master
Mounting plate, retarder casing, permanent magnet brake, brake positioning roller, frizzen, frizzen guide holder and connecting rod;The master
One group of pilot hole arranged up and down is at least arranged in mounting plate;The retarder casing is fixedly connected by bolt with main mounting plate;
, position corresponding pilot hole identical as main mounting plate guiding hole number is arranged in the retarder casing;The permanent magnet brake
Including magnet attachment plate and the fixed permanent magnet being fitted on magnet attachment plate;Brake positioning roller passes through shaft and permanent magnetism system
The magnet attachment plate connection of dynamic device, brake positioning roller are mounted in the pilot hole of main mounting plate and retarder casing;It is described
Frizzen guide holder is fixedly connected with the top of main mounting plate;One end of the connecting rod and the magnet attachment plate of permanent magnet brake connect
It connects, the other end is connect with frizzen;The frizzen is mounted between two frizzen guide holders, in the touching of external trigger mechanism
It gives frizzen to move up, runs permanent magnet brake to triggering state in pilot hole by off working state.
The utility model anti-falling safe elevator device as described above, further, the main mounting plate setting first are led
To hole group and the second pilot hole group;The first pilot hole group includes that two shapes are identical and the pilot hole of neighbouring arrangement;
Second pilot hole group and the first pilot hole group are with the two center line mirror image each other.
The utility model anti-falling safe elevator device as described above, further, the retarder casing include each other
The first shell and second shell of mirror image, first shell setting pilot hole corresponding with main mounting plate the first pilot hole group, second
Pilot hole corresponding with main mounting plate the second pilot hole group is arranged in shell;Gap between first shell and second shell is guide rail
Across seam.
The utility model anti-falling safe elevator device as described above, further, the flexible connecting device include set
Pipe and connecting line, the connecting line are arranged in casing;The leveling buffer includes damper mounting stand and hydraulic damper,
Or the leveling buffer is the retarding device for including spring;The stopping device includes connecting plate and baffle, the baffle
It is welded to connect with connecting plate, the connecting plate is fixedly connected with elevator shaft.
The utility model anti-falling safe elevator device as described above, further, the external trigger mechanism include: limit
Fast device, tensioning device, speed limiter wire rope, the core of the card, deck and group pearl plunger;The limiter of speed is mounted on the top of elevator shaft
Portion;The tensioning device is mounted on the bottom of elevator shaft;The speed limiter wire rope be mounted on limiter of speed and tensioning device it
Between;The core of the card covers outside speed limiter wire rope, is fixedly connected with speed limiter wire rope;Locating slot is arranged in the core of the card;It is described
Vertical connecting hole and plunger mounting hole is arranged in deck;Described group of pearl plunger is mounted in the plunger mounting hole, is dialled pearl and is headed into card
The locating slot of core;On the elevator car, the frizzen of permanent magnetism retarding device and the deck connect for the permanent magnetism retarding device installation
It connects.
The utility model anti-falling safe elevator device as described above, further, the quantity of the permanent magnetism retarding device
It is two;Two opposite sides of lift car are arranged in permanent magnetism retarding device positional symmetry;It further include synchronous trigger mechanism,
The synchronous trigger mechanism is used for while triggering permanent magnetism retarding device.
The utility model anti-falling safe elevator device as described above, further, the synchronous trigger mechanism include drawing
Bar, first rotating shaft, the second shaft, the first lifting rod, the second lifting rod and synchronizing bar;First lifting rod and the second lifting rod
It include lift end and synchronous end;One end of the pull rod is hinged with deck, and the other end is fixedly connected with first rotating shaft;First mentions
Pull rod is fixedly connected with first rotating shaft;Second lifting rod is fixedly connected with the second shaft;Synchronizing bar is separately connected first and mentions
The synchronization end of pull rod end synchronous with the second lifting rod;The lift end of first lifting rod connects a safety protection apparatus for elevator
The lift end of frizzen, the second lifting rod connects the frizzen of another safety protection apparatus for elevator.
The utility model anti-falling safe elevator device as described above further includes further that elevator permanent-magnet retarder returns
Position device, the returning device includes reciprocating sliding device, mandril, the first armed lever and the second armed lever;Mandril is arranged in the mandril
One end of sliding slot, mandril is connect with reciprocating sliding device;One end of first armed lever and first rotating shaft are hinged, other end setting
Armed lever sliding slot;One end of second armed lever and the second shaft are hinged, and armed lever sliding slot is arranged in the other end;First armed lever and the second arm
The armed lever sliding slot of bar is by connecting pin axis connection in mandril sliding slot.
The utility model anti-falling safe elevator device as described above, further, the reciprocating sliding device are hydraulic
Cylinder, the hydraulic cylinder are connect with mandril, and mandril is driven to move back and forth;Further include resetting mounting base, resets mounting base and back and forth push away
Drawing device connection resets mounting base and is fixed in elevator car frame.
The beneficial effects of the utility model are:
1, in the case of there are the safety accidents such as tenesmus, car slipping in elevator, trigger device is more than in the lift car speed of service
Leveling buffer is triggered when the threshold speed of setting makes it be transformed into trigger position by home position, and lift car is falling to peace
When position equipped with stopping device, leveling buffer can be interfered with stopping device, i.e. leveling buffer and stopping device
Contact, and elevator car speed is gradually decreased until stopping.Since the position of stopping device installation is level position, in this position
The exit passageway of worker person's disengaging is set, and elevator ride personnel open can voluntarily suing and labouring behind the door for lift car, and it is existing to withdraw accident
?.
2, permanent magnetism retarding device slows down the lift car of tenesmus, avoids its movement of falling object.And then in elevator
Carriage can be gradually decreased until stopping when falling to the position for being equipped with stopping device with a lower initial velocity.
3, external trigger mechanism using dial pearl head into the core of the card locating slot realize hair safety protection apparatus for elevator triggering and
The separation of trigger device not only guarantees to provide enough trigger force, but also avoids that damage trigger device can not be separated.Synchronous trigger mechanism
The synchronous triggering that triggering safety protection apparatus for elevator is realized when operation guarantees that lift car is stablized under stall conditions and slows down.
4, before elevator device repair and maintenance is completed to put into normal use again, realize that permanent magnetism is slow using returning device
The reset of device.Reciprocating sliding device drives mandril to run up, while driving the first armed lever and the second armed lever setting armed lever sliding
One end of slot moves up, and then direction of the armed lever other end around corresponding shaft rotation, when direction of rotation and permanent magnetism slowly trigger
On the contrary, to make the first lifting rod and the second lifting rod move to drive permanent magnetism retarding device to reset.
Detailed description of the invention
By made detailed description in conjunction with the following drawings, the above-mentioned and/or otherwise advantage of the utility model will
It becomes more apparent upon and is easier to understand, these attached drawings are only schematical, are not intended to limit the utility model, in which:
Fig. 1 is a kind of anti-falling safe elevator device schematic diagram of embodiment of the utility model;
Fig. 2 is the leveling buffer and permanent magnetism retarding device schematic diagram of a kind of embodiment of the utility model;
Fig. 3 is a kind of non-triggering state front schematic view of permanent magnetism retarding device of embodiment of the utility model;
Fig. 4 is a kind of non-triggering state side schematic view of permanent magnetism retarding device of embodiment of the utility model;
Fig. 5 is a kind of permanent magnetism retarding device triggering state side schematic view of embodiment of the utility model;
Fig. 6 is a kind of stopping device schematic diagram of embodiment of the utility model;
Fig. 7 is a kind of permanent magnetism retarding device decomposition diagram of embodiment of the utility model;
Fig. 8 is a kind of permanent magnet brake decomposition diagram of embodiment of the utility model;
Fig. 9 is a kind of permanent magnet brake of embodiment of the utility model, connecting rod and frizzen guide holder schematic diagram;
Figure 10 is a kind of non-triggering state front schematic view of permanent magnetism retarding device of embodiment of the utility model;
Figure 11 is a kind of permanent magnetism retarding device triggering state front schematic view of embodiment of the utility model;
Figure 12 is a kind of external trigger structural scheme of mechanism of embodiment of the utility model;
Figure 13 is a kind of speed limiter wire rope of embodiment of the utility model, the core of the card, deck schematic diagram;
Figure 14 is a kind of limiter of speed schematic diagram of embodiment of the utility model;
Figure 15 is a kind of non-triggering state schematic diagram of external trigger mechanism of embodiment of the utility model;
Figure 16 is a kind of external trigger mechanism triggering state schematic diagram of embodiment of the utility model;
Figure 17 is a kind of synchronization trigger mechanism schematic diagram of embodiment of the utility model;
Figure 18 is a kind of the core of the card of embodiment of the utility model, deck and group pearl plunger schematic diagram;
Figure 19 is a kind of elevator permanent-magnet retarder returning device schematic diagram of embodiment of the utility model.
In attached drawing, parts list represented by the reference numerals are as follows:
1, metal guide rail, 2, lift car, 3, leveling buffer, 4, permanent magnetism retarding device, 5, elevator permanent-magnet retarder time
Position device, 6, external trigger mechanism, 31, stopping device, 32, flexible connecting device, 33, attachment base, 34, triggering spring, 35, solid
Dead axle, the 311, first side plate, the 312, second side plate, 313, connecting plate, 314, baffle, 41, permanent magnet brake, 42, outside retarder
Shell, 43, main mounting plate, 44, brake positioning roller, 45, connecting rod, 46, frizzen guide holder, 47, frizzen, 48, slow peace
Dress seat, 410, magnet attachment plate, 411, magnet steel box, 412, permanent magnet, 413, shaft, 51, reciprocating sliding device, 52, mandril,
53, the first armed lever, the 54, second armed lever, 55, mandril sliding slot, 56, connection pin shaft, 57, reset mounting base, 61, limiter of speed, 62, limit
Fast device wirerope, 63, trigger device, 64, tensioning device, 65, synchronous trigger mechanism, 631, the core of the card, 632, deck, 633, vertical
Connecting hole, 634, plunger mounting hole, 635, group pearl plunger, 636, group pearl, 637, locating slot, 651, pull rod, 652, first rotating shaft,
653, synchronizing bar, the 654, first lifting rod, the 655, second lifting rod, the 656, second shaft.
Specific embodiment
Hereinafter, the embodiment of the anti-falling safe elevator device of the utility model is described with reference to the accompanying drawings.
The embodiment recorded herein is the specific specific embodiment of the utility model, for illustrating the utility model
Design, be it is explanatory and illustrative, should not be construed as the limit to the utility model embodiment and the scope of the utility model
System.In addition to the embodiment recorded herein, those skilled in the art can also be public based on the claim of this application book and specification institute
For the content opened using obvious other technical solutions, these technical solutions include using doing to the embodiment recorded herein
The technical solution of any obvious substitutions and modifications out.
The attached drawing of this specification is schematic diagram, aids in illustrating the design of the utility model, it is schematically indicated each section
Shape and its correlation.It note that for the ease of clearly showing the structure of each component of the utility model embodiment, respectively
It is not drawn according to identical ratio between attached drawing.Identical reference marker is for indicating identical part.
Fig. 1 shows a kind of anti-falling safe elevator device of embodiment of the utility model comprising: it is arranged in elevator shaft
Interior metal guide rail 1;The lift car 2 being mounted in metal guide rail 1;Leveling buffer 3, leveling buffer 3 are fixed on elevator
The outside of carriage 2;Leveling buffer 3 is by having two kinds of position forms of home position and trigger position along the rotation of fixing axle 35;
Stopping device 31, stopping device 31 are fixed in elevator shaft, are arranged in what 3 triggering state of leveling buffer can interfere
Position;Trigger device 63, as shown in Fig. 2, trigger device 63 includes permanent magnetism retarding device 4, flexible connecting device 32, attachment base 33
With triggering spring 34;Permanent magnetism retarding device 4 includes retarder casing 42 and the permanent magnet brake 41 including permanent magnet 412, permanent magnetism
Brake 41 by first position is moved to the second position when 2 speed of service of lift car is more than the threshold speed of setting, the
Distance of the permanent magnet 412 of two positions apart from metal guide rail 1 be less than the permanent magnet 412 of first position apart from metal guide rail 1 away from
From;Attachment base 33 is fixed on permanent magnetism retarding device 4, and 32 one end of flexible connecting device connects the permanent magnetism system of permanent magnetism retarding device 4
Dynamic device 41, the perforation that the other end passes through attachment base 33 are connect with leveling buffer 3, and triggering spring 34 passes through flexible connecting device
32, it is arranged between attachment base 33 and leveling buffer 3.
In conjunction with shown in Fig. 3-Fig. 5, when lift car operates normally, trigger device does not work, and leveling buffer is set in original
Position position, carriage can freely move up and down in hoistway at this time.Occur the safety accidents situations such as tenesmus, car slipping in elevator
Under, trigger device triggering leveling buffer when the lift car speed of service is more than the threshold speed of setting makes it by home position
It is transformed into trigger position, when falling to the position for being equipped with stopping device, leveling buffer can fill lift car with gear
It sets and interferes, is i.e. leveling buffer is contacted with stopping device, and gradually decreases elevator car speed until stopping.Due to gear
The position of device installation is level position, and in the exit passageway that this position setting worker person passes in and out, elevator ride personnel open electricity
Can voluntarily suing and labouring behind the door for terraced carriage, withdraws the scene of the accident.
In the above-described embodiments, the effect of permanent magnetism retarding device first be realize lift car deceleration, permanent magnet with
Metal guide rail can generate induced current and Induced magnetic field, pass through magnetic field in sphere of action and when being moved in metal guide rail
Between interaction provide lift car slow down power.Second of permanent magnetism retarding device effect is by slow unit and soft
Property attachment device triggering leveling buffer be moved to trigger position.The lift car of tenesmus is subtracted in conjunction with permanent magnetism retarding device
Speed avoids its movement of falling object.It, can be with one and then in lift car when falling to the position for being equipped with stopping device
Lower initial velocity gradually decreases until stopping.
Stopping device 31 includes connecting plate and baffle, and baffle and connecting plate are welded to connect, and connecting plate is fixed with elevator shaft
Connection.In a specific embodiment, as shown in fig. 6, stopping device 31 include connecting plate 313 and baffle 314, baffle 314 with
Connecting plate 313 is welded to connect, and connecting plate 313 is fixedly connected with elevator shaft.A kind of specific stopping device 31 is shown in Fig. 6
Structure, further includes the first side plate 311 and the second side plate 312, and the first side plate 311 is vertically connected on the second side plate 312 and connect
On plate 313, the following vertical connection connecting plate 313 of baffle 314, side is separately connected the first side plate 311 and the second side plate 312.
In a specific embodiment, flexible connecting device 32 includes casing and connecting line, and connecting line is arranged in casing;
Leveling buffer 3 includes damper mounting stand and hydraulic damper, and damper mounting stand is bolted on permanent magnetism and slowly fills
The housing side set, quantity are one or symmetrical setting two, and hydraulic damper, which is screwed into damper by helicitic texture, pacifies
In the threaded hole that dress seat is adapted to therewith.Or it includes the retarding device of spring that leveling buffer 3, which is, such as leveling buffer includes
Spring, spring base, buffer bar, spring base are bolted on the housing side of permanent magnetism retarding device, and buffer bar is inserted into spring
The jack of seat, spring are arranged between spring base and buffer bar.
In a kind of preferred anti-falling safe elevator device embodiment, as illustrated in figures 7-11, permanent magnetism retarding device 4 is wrapped
It includes: main mounting plate 43, retarder casing 42, permanent magnet brake 41, brake positioning roller 44, frizzen 47, frizzen guiding
Seat 46 and connecting rod 45;One group of pilot hole arranged up and down is at least arranged in main mounting plate 43;Retarder casing 42 passes through bolt and master
Mounting plate 43 is fixedly connected;, position corresponding guiding identical as main mounting plate 43 guiding hole number is arranged in retarder casing 42
Hole;Permanent magnet brake 41 includes magnet attachment plate 410 and the fixed permanent magnet 412 being fitted on magnet attachment plate 410;Brake
Positioning roller 44 is connect by shaft 413 with the magnet attachment plate 410 of permanent magnet brake 41, and brake positioning roller 44 is mounted on
In the pilot hole of main mounting plate 43 and retarder casing 42;Frizzen guide holder 46 is fixedly connected with the top of main mounting plate 43;
One end of connecting rod 45 is connect with the magnet attachment plate 410 of permanent magnet brake 41, and the other end is connect with frizzen 47;Frizzen 47 is pacified
Between two frizzen guide holders 46, frizzen 47 is moved up under the triggering of external trigger mechanism 6, makes permanent magnet braking
Device 41 is run by off working state to triggering state in pilot hole.
It in the embodiment show in figure 7, further include slow mounting base 48, main mounting plate 43 passes through slow mounting base 48 and electricity
Terraced carriage connection.Assembled retarder can be connect with lift car, be capable of providing faster using the slow mounting base 48
Installation speed.
In an advantageous embodiment, one group of pilot hole arranged up and down is arranged in main mounting plate, and being corresponding to it, it is a set of to be arranged
Permanent magnet brake, the setting of metal guide rail vertical direction, frizzen moves up under the triggering of external trigger mechanism, makes permanent magnetism system
Dynamic device is run by off working state to triggering state in pilot hole, and distance of the permanent magnet apart from metal guide rail be more under triggering state
Closely, to provide bigger decelerative force.
In another preferred embodiment, the first pilot hole group and the second pilot hole group is arranged in main mounting plate 43;First leads
It include that two shapes are identical and the pilot hole of neighbouring arrangement to hole group;Second pilot hole group and the first pilot hole group are with the two
Center line mirror image each other.Corresponding with this embodiment, retarder casing 42 includes the first shell and second shell of mirror image each other,
Pilot hole corresponding with main 43 first pilot hole group of mounting plate, second shell setting and main mounting plate 43 second is arranged in first shell
The corresponding pilot hole of pilot hole group;Gap between first shell and second shell is that guide rail passes through seam.In the above-described embodiments,
Two groups of pilot holes arranged up and down are arranged in main mounting plate, and be corresponding to it two sets of permanent magnet brakes of setting, metal guide rail vertical direction
Setting, frizzen moves up under the triggering of external trigger mechanism, makes permanent magnet brake in pilot hole by off working state
Operation is to triggering state, and distance of the permanent magnet apart from metal guide rail is closer under triggering state, to provide bigger decelerative force.
In a further preferred embodiment, permanent magnet brake further includes magnet steel box 411, and magnet steel box 411 covers on permanent magnet
412 outside, magnet steel box 411 are made using non-magnet material.For example, non-magnet material is copper, copper-bearing alloy, aluminium, contains aluminium conjunction
One kind of gold.Permanent magnet can be protected using magnet steel box, prevents the magnetism and use that influence permanent magnet under harsh situation
Service life.
In a kind of preferred anti-falling safe elevator device embodiment, as shown in figs. 12-14, external trigger mechanism 6 is wrapped
It includes: limiter of speed 61, tensioning device 64, speed limiter wire rope 62, the core of the card 631, deck 632 and group pearl plunger 635;Limiter of speed 61 is pacified
Mounted in the top of elevator shaft;Tensioning device 64 is mounted on the bottom of elevator shaft;Speed limiter wire rope 62 is mounted on limiter of speed
Between 61 and tensioning device 64;631 sets of the core of the card outside speed limiter wire rope 62, are fixedly connected with speed limiter wire rope 62;Such as figure
Shown in 18, locating slot 637 is arranged in the core of the card 631;Vertical connecting hole 633 and plunger mounting hole 634 is arranged in deck 632;Dial pearl plunger
635 are mounted in plunger mounting hole 634, dial the locating slot 637 that pearl 636 heads into the core of the card 631;Permanent magnetism retarding device 4 is mounted on electricity
In terraced carriage 2, the frizzen 47 of permanent magnetism retarding device 4 is connect with deck 632.
In the utility model above-described embodiment, the speed limiter wire rope and limiter of speed connecting with lift car are utilized
It realizes with tensioning device to the real-time detection of car speed, when lift car stall, the locking device of limiter of speed is by limiter of speed
Wirerope locking, the mechanisms such as lift car and deck continue to decline under inertia and gravity at this time, i.e. speed limiter wire rope
A upward lifting power is provided to deck, triggers safety protection apparatus for elevator using the lifting power.In the terraced safeguard protection dress that generates electricity
After setting triggering, lift car continues to fall, and speed limiter wire rope is remain stationary, and needs to design a kind of separating mechanism realization triggering dress
The separation set.The utility model above-described embodiment is filled using the power generation ladder safeguard protection for dialling the locating slot realization that pearl heads into the core of the card
Triggering and the separation of trigger device are set, has not only guaranteed to provide enough trigger force, but also avoids that damage trigger device can not be separated.
The utility model anti-falling safe elevator device as above, further, the quantity of permanent magnetism retarding device 4 are two;
Two opposite sides of lift car 2 are arranged in 4 positional symmetry of permanent magnetism retarding device;It further include synchronous trigger mechanism 65, such as
Shown in Figure 15-17, synchronous trigger mechanism 65 is used for while triggering permanent magnetism retarding device 4.Synchronous trigger mechanism 65 includes pull rod
651, first rotating shaft 652, the second shaft 656, the first lifting rod 654, the second lifting rod 655 and synchronizing bar 653;First lifting rod
654 with the second lifting rod 655 include lift end and synchronous end;One end of pull rod 651 and deck 632 are hinged, the other end and the
One shaft 652 is fixedly connected;First lifting rod 654 is fixedly connected with first rotating shaft 652;Second lifting rod 655 and the second shaft
656 are fixedly connected;Synchronizing bar 653 is separately connected the synchronization end of the first lifting rod 654 and the synchronous end of the second lifting rod 655;The
The lift end of one lifting rod 654 connects the frizzen 47 of a safety protection apparatus for elevator, and the lift end of the second lifting rod 655 connects
Connect the frizzen 47 of another safety protection apparatus for elevator.
When the synchronization trigger mechanism operation of above-described embodiment, cartridge position is opposing stationary, and first rotating shaft relative position is downward
It is rotated clockwise while mobile, drives the lift end of the first lifting rod upward, to trigger safety protection apparatus for elevator.Meanwhile
The synchronization end of first lifting rod drives the synchronization end of synchronizing bar and the second lifting rod mobile, and the second lifting rod is around the second shaft inverse time
The lift end of needle movement, the second lifting rod triggers another safety protection apparatus for elevator, realizes triggering safety protection apparatus for elevator
Synchronous triggering guarantees that lift car is stablized under stall conditions and slows down.
It further include elevator permanent-magnet retarder returning device 5 in a kind of preferred anti-falling safe elevator device embodiment,
As shown in figure 19, returning device includes reciprocating sliding device 51, mandril 52, the first armed lever 53 and the second armed lever 54;Mandril 52 is set
One end of top set bar sliding slot 55, mandril 52 is connect with reciprocating sliding device 51;One end of first armed lever 53 and first rotating shaft 652 are cut with scissors
It connects, armed lever sliding slot is arranged in the other end;One end of second armed lever 54 and the second shaft 656 are hinged, and armed lever sliding slot is arranged in the other end;The
The armed lever sliding slot of one armed lever 53 and the second armed lever 54 is connected in mandril sliding slot 55 by connecting pin shaft 56.
By the two sides for being fixed to lift car of the first permanent magnetism retarding device, the second permanent magnetism retarding device positional symmetry,
Lift car fall stall when, triggered using synchronous trigger mechanism, and then realize lift car using permanent magnetism retarding device
Deceleration.Before elevator device repair and maintenance is completed to put into normal use again, realize that permanent magnetism slowly fills using returning device
The reset set.Specifically, reciprocating sliding device drives mandril to run up, while driving the first armed lever and the second armed lever that arm is set
One end of bar sliding slot moves up, and then the armed lever other end is rotated around corresponding shaft, when direction of rotation and permanent magnetism slowly trigger
It is contrary, so that the first lifting rod and the second lifting rod be made to move to drive permanent magnetism retarding device to reset.
The utility model anti-falling safe elevator device as above, further, reciprocating sliding device 51 are hydraulic cylinder, hydraulic
Cylinder is connect with mandril 52, and mandril 52 is driven to move back and forth;Further include resetting mounting base 57, resets mounting base 57 and reciprocating sliding fills
51 connections are set, mounting base 57 is resetted and is fixed on 2 frame of lift car.Reciprocating sliding device is fixed with mounting base is resetted first
Then connection is being fixedly connected with reset mounting base and elevator car frame, one is can simplify reciprocating sliding device and elevator
The difficulty of construction of car frame connection.In addition, can be according to the customization pair of the structure size of reciprocating sliding device, elevator car frame
The reset mounting base answered realizes more firm fixed effect.
Each technical characteristic of above-mentioned disclosure is not limited to disclosed and other feature combination, and those skilled in the art are also
Other combinations between each technical characteristic can be carried out according to the purpose of utility model, be subject to the purpose for realizing the utility model.