CN106744203B - Elevator door lock device - Google Patents
Elevator door lock device Download PDFInfo
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- CN106744203B CN106744203B CN201710146186.5A CN201710146186A CN106744203B CN 106744203 B CN106744203 B CN 106744203B CN 201710146186 A CN201710146186 A CN 201710146186A CN 106744203 B CN106744203 B CN 106744203B
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- bar
- door lock
- closes
- gate
- layer door
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/14—Control systems or devices
- B66B13/16—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position
- B66B13/18—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position without manually-operable devices for completing locking or unlocking of doors
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Elevator Door Apparatuses (AREA)
Abstract
The present invention relates to elevator technology fields, and more particularly to a kind of elevator door lock device, including bar closes in left system, bar, gate lock set, layer door lock assembly and pedestal close in right system；Pedestal is connect with gate；Bar closes in left system, bar closes in right system and gate lock set is rotatably coupled with pedestal, and bar closes in left system and right system closes bar and is oppositely arranged；Layer door lock assembly is mounted on layer door, and layer door lock assembly includes roll wheel assembly, and when gate and layer door leveling, roll wheel assembly is located at left system and closes between bar and right system conjunction bar；During right system's conjunction bar moves under the drive of belt from first position to the second position, layer door lock assembly and gate lock set are successively unlocked.Elevator door lock device of the invention, the opening ways of elevator door are successively to unlock layer door lock and car door lock, finally open gate and layer door linkage, avoid the stuck situation of gate car door lock in door opening process, elevator reliability of operation is improved, the aesthetic appearance of elevator is also improved.The present invention also provides a kind of elevators.
Description
Technical field
The present invention relates to elevator technology fields, more particularly to a kind of elevator door lock device.
Background technique
Generally using for elevator brings convenience to people's lives, at the same time, the security performance of elevator also day
Benefit attracts attention.
The door lock assembly of elevator, major function are to guarantee elevator in non-leveling zone, and gate cannot be opened, with
Ensure passenger safety.When carriage rests on non-leveling zone domain due to power failure or failure during the work time, multiplying in carriage
Visitor may intend to get away by the strength of oneself or carriage in passenger may be during elevator be run unnecessarily
Open car door.In this case, it is possible to cause passenger to fall among hoistway or on platform of showing up and occur personnel's
Safety accident.Therefore, it is necessary to install door lock assembly in carriage, guarantee elevator at non-leveling zone domain, car door cannot be beaten
It opens.
Traditional elevator asynchronous door system is unlocked by gate stroke triggering cage door lock and layer door lock, that is, works as electricity
When ladder reaches leveling, car door drives offside door knife to be moved to the left, and offside door knife and the dynamic idler wheel of layer door lock are tangent, and car door continues
It is moved to the left, car door latch hook is opened；Car door continues to be moved to the left so that layer door lock moves idler wheel and the quiet idler wheel of layer door lock and be affixed,
To layer door-lock opening, car door continues to be moved to the left, so that the quiet idler wheel of layer door lock and offside door knife are tangent, final left side, the right side
The quiet idler wheel of side door knife gripping layer door lock and layer door lock move idler wheel, and layer door and gate is made to realize that linkage is opened.But this elevator door
Opening ways are that gate is first opened and unlocks cage door lock and layer door lock afterwards, will cause car door carriage in door opening process sometimes
The stuck problem of door lock hook causes elevator operation unsmooth, and there are security risks, in addition, passenger can see layer out of carriage
Door inner wall lacks beautiful.
Summary of the invention
Based on this, it is necessary to first open the door for traditional elevator cab door and unlock again, run the problems such as unreliable, provide one
Kind is safe and reliable, standard compliant elevator door lock device.
Above-mentioned purpose is achieved through the following technical solutions:
A kind of elevator door lock device, comprising: bar closes in left system, bar, gate lock set, layer door lock assembly and pedestal close in right system；
Pedestal is connect with gate；
Bar closes in left system, bar closes in right system and gate lock set is rotatably coupled with pedestal, and bar closes in left system and right system closes
Bar is oppositely arranged；
Layer door lock assembly is mounted on layer door, and layer door lock assembly includes roll wheel assembly, when gate and layer door leveling, idler wheel
Component is located at left system and closes between bar and right system conjunction bar；Bar closes in right system can be relative to pedestal in first position under the drive of belt
The reciprocating rotation between the second position；
During right system's conjunction bar is moved from first position to the second position, bar pushing rolling wheels component closes in right system, makes layer door
Lock set unlock, while roll wheel assembly pushes left system to close bar relative to base rotation, unlocks gate lock set.
Elevator door lock device further includes buffer gear in one of the embodiments, and bank is arranged on gate in buffer gear
It is interior；The height that the track that bar is moved from first position to the second position is closed by right system is gradually reduced；Buffer gear has buffering suface, right
During system's conjunction bar moves back and forth between the first position and the second position, the upper end that bar closes in right system connects with buffering suface always
Touching.
Buffer gear includes dashpot in one of the embodiments, and the groove face of dashpot forms buffering suface；Bar closes in right system
To be provided be conjunction idler wheel for upper end, right system closes during bar moves back and forth between the first position and the second position, closes rolling
Wheel always with buffering face contact.
Elevator door lock device further includes that arm and the second system are closed by the first parallel system of relative spacing in one of the embodiments,
Arm is closed, the both ends that arm closes in the first system close bar with right system respectively and pedestal is hinged, and bar is closed with right system respectively in the both ends that arm closes in the second system
It is hinged with pedestal；
And third system conjunction arm and the 4th system conjunction arm that relative spacing is parallel, the both ends of third system conjunction arm are closed with left system respectively
Bar and pedestal are hinged, and the both ends that arm closes in the 4th system close bar with left system respectively and pedestal is hinged.
Elevator door lock device further includes limit assembly in one of the embodiments, and limit assembly includes rotating seat, long-armed
And galianconism, rotating seat are connect with base rotation, long-armed one end is connect with rotating seat, and the other end is provided with bayonet；The one of galianconism
End is connect with rotating seat, and the other end is provided with release idler wheel；The quality of galianconism be less than long-armed quality, galianconism with it is long-armed at an acute angle
Setting；
First system conjunction arm closes bar with right system and is connect by shaft；When bar closes in right system moves to the second position, bayonet can
It is connected in shaft；
It is provided with the release groove with release idler wheel cooperation on gate in bank, release groove has an emission surface, and right system conjunction bar is by the
During two positions are moved to first position, release idler wheel and release face contact.
Elevator door lock device further includes that positioning component closes in right system in one of the embodiments, and right system closes positioning component and sets
Set on pedestal, for limit it is right system close bar relative to pedestal slewing area between the first position and the second position；
And positioning component closes in left system, left system closes positioning component and is set on the base；It includes elasticity that positioning component closes in left system
Supporting element and locating piece, elastic supporting member for supporting optical member close arm with third system and connect, to provide the supporting force for closing bar to left system；Locating piece
The top of the upper end of bar is closed positioned at left system, closes the upward displacement range of bar to limit left system.
Gate lock set includes gate latch hook, unlock idler wheel and gate lock hook shaft, car door lock in one of the embodiments,
Hook is rotatably connected on pedestal by gate lock hook shaft；
Gate lock is provided on gate in bank, gate lock and gate latch hook cooperate；It is not solved when gate lock set is in
When lock status, gate lock can limit the displacement range of gate latch hook horizontal movement；Left system, which closes, is provided with driving hook on bar；
Driving hook and left system close and form card slot between bar；Idler wheel and car door lock hook connects are unlocked, and are located in card slot.
Gate lock set further includes clump weight, clump weight and car door lock hook connects in one of the embodiments,；Clump weight
The two sides of gate lock hook shaft are located at gate latch hook.
Layer door lock assembly further includes a layer door lock hook, layer door lock hook shaft and door lock pedestal, door lock in one of the embodiments,
Pedestal is fixed on layer door in bank, and layer door lock hook is connect by layer door lock hook shaft with door lock base rotation；Roll wheel assembly rotation connects
It connects on layer door lock hook；
A layer door lock seat is provided on layer door in bank, layer door lock seat and layer door lock hook cooperate；It is not solved when layer door lock assembly is in
When lock status, layer door lock seat is capable of the displacement range of confining layers door lock hook horizontal movement.
Roll wheel assembly includes the first driving wheel and the second driving wheel in one of the embodiments, when gate and layer door leveling,
First driving wheel closes bar close to right system, and the second driving wheel closes bar close to left system.
Above-mentioned elevator door lock device, after elevator reaches leveling zone, roll wheel assembly falls into left system and closes between bar and right system conjunction bar,
Right system closes bar and moves under the drive of belt to enabling direction, pushing rolling wheels component, and the unlock of layer door lock, gate is not opened at this time,
Roll wheel assembly pushes left system to close bar simultaneously, unlocks car door lock, and belt continues to move, since left system conjunction bar and right system conjunction bar cramp are tight
Roll wheel assembly, therefore layer door and gate realize that linkage is opened.And when elevator is in non-leveling zone, it is left due to there is no roll wheel assembly
System closes bar and can not be pushed always, therefore car door lock can not be opened always.In such manner, it is possible to guarantee the operational safety of elevator, and
The opening ways of elevator door are successively to unlock layer door lock and car door lock, finally open gate and layer door linkage, avoid gate
The stuck situation of car door lock in door opening process, improves elevator reliability of operation, also improves the aesthetic appearance of elevator.
Detailed description of the invention
Fig. 1 is the elevator door lock device provided in an embodiment of the present invention status diagram not operating in leveling zone；
Fig. 2 is elevator door lock device provided in an embodiment of the present invention in leveling zone, and the state that layer door lock assembly faces unlock is shown
It is intended to；
Fig. 3 is elevator door lock device provided in an embodiment of the present invention in leveling zone, and layer door lock assembly is in opening procedure,
Gate lock set faces the status diagram of unlock；
Fig. 4 is elevator door lock device provided in an embodiment of the present invention at leveling zone, layer door lock assembly and gate lock set
In the schematic diagram of full open position；
Fig. 5 is elevator door lock device provided in an embodiment of the present invention in leveling zone, gate opening process, limit assembly lock
The status diagram of bar is closed by fixed right system；
Fig. 6 is elevator door lock device provided in an embodiment of the present invention in leveling zone, and bar closes in left system, bar pinching roller closes in right system
The motion state diagram that component, gate and layer door linkage are opened；
Fig. 7 is that elevator door lock device provided in an embodiment of the present invention opens the state signal being obstructed in non-leveling zone gate
Figure；
Fig. 8 is the structural schematic diagram of the gate lock set of elevator door lock device provided in an embodiment of the present invention；
Fig. 9 is the structural schematic diagram of the limit assembly of elevator door lock device provided in an embodiment of the present invention；
Figure 10 is the structural schematic diagram of the layer door lock assembly of elevator door lock device provided in an embodiment of the present invention；
Figure 11 is the unlocking motion schematic diagram of the layer door lock assembly of elevator door lock device provided in an embodiment of the present invention；
Figure 12 is that bar closes in the left system of elevator door lock device provided in an embodiment of the present invention, right system closes bar and drives layer door lock group
The schematic diagram that part, gate lock set are opened；
Figure 13 is elevator door lock device provided in an embodiment of the present invention, and when motor rotation blockage power disappears, it is slow that bar closes in right system
The procedure chart of whereabouts.
Wherein:
Bar closes in the left system of 100-；
Arm closes in 110- third system；Arm closes in the 4th system of 120-；
131- elastic supporting member for supporting optical member；132- locating piece；
140- driving hook；
Bar closes in the right system of 200-；
Idler wheel closes in 210- system；
Arm closes in the first system of 220-；221- shaft；
Arm closes in the second system of 230-；
240- limit assembly；241- rotating seat；242- is long-armed；243- bayonet；
244- galianconism；245- discharges idler wheel；
250- release groove；
The first positioning region 261-；The second positioning region 262-；
300- gate lock set；
310- gate latch hook；311- latch hook crimp；
320- unlocks idler wheel；330- gate lock hook shaft；
340- gate lock；350- clump weight；360- rescue rope；
371- switch main body；372- switch triggering part；
400- layers of door lock assembly；
410- roll wheel assembly；The first driving wheel of 411-；The second driving wheel of 412-；
420- layers of door lock hook；430- layers of door lock seat；440- layers of door lock hook shaft；450- door lock pedestal；500- pedestal；
600- buffer gear；
610- dashpot；
700- gate；
Bank on 710- gate；
800- belt.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, by the following examples, it and combines attached
Figure, is further elaborated elevator door lock device of the invention.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.On the contrary, when element is referred to as " directly existing " another element "upper",
There is no intermediary elements.Term as used herein "vertical", "horizontal", "left" and "right" and similar statement are
For illustrative purposes.
As shown in Figure 1, the elevator door lock device of one embodiment of the invention, comprising: bar 100 closes in left system, bar 200 closes in right system,
Gate lock set 300, layer door lock assembly 400 and pedestal 500；Pedestal 500 is connect with gate 700；Bar 100 closes in left system, right system closes
Bar 200 and gate lock set 300 are rotatably coupled with pedestal 500, and bar 100 closes in left system and right system closes bar 200 and sets relatively
It sets；Layer door lock assembly 400 is mounted on layer door, and layer door lock assembly 400 includes roll wheel assembly 410, when gate 700 and layer door leveling
When, roll wheel assembly 410 is located at left system and closes between bar 100 and right system conjunction bar 200；The energy under the drive of belt 800 of bar 200 closes in right system
It is enough relative to the reciprocating rotation between the first position and the second position of pedestal 500, right system conjunction bar 200 is from first position to second
During setting movement, 200 pushing rolling wheels component 410 of bar closes in right system, unlocks layer door lock assembly 400, while roll wheel assembly 410
It pushes left system to close bar 100, unlocks gate lock set 300.
Above-mentioned first position is that elevator door is in close state position of the lower right system conjunction bar 200 relative to 500 place of pedestal,
The second position is that bar 200 closes relative to the position where pedestal 500 in elevator door lower right system in the open state, and bar 200 closes in right system
The process moved from first position to the second position is the process for the initial stage elevator door unlock that elevator door is opened, and bar closes in right system
200 processes moved from the second position to first position are the process for the last time elevator door locking that elevator door is closed.This implementation
In example, the horizontal direction opened to the left for gate 700 is horizontally to the right the direction of closing gate 700.
Referring to fig. 2 to Fig. 6 and Figure 12, the structure of each component is closed when wherein dotted line indicates in the unlocked state in Figure 12
System, the structural relation of solid line each component when indicating in non-unlocked state.Elevator is in non-leveling zone, due to layer door roll wheel assembly
410 do not fall within that bar 100 closes in left system and right system closes between bar 200, though belt 800 move downward drive right system's conjunction bar 200 by
First position moves to the second position, can not also push left system to close bar 100, cannot unlock gate, therefore fail to open gate
700；After elevator reaches leveling zone, the roll wheel assembly 410 on layer door falls into left system and closes between bar 100 and right system conjunction bar 200, right system
Bar 200 to be closed to be moved under the drive of belt 800 from first position to the second position, 200 pushing rolling wheels component 410 of bar closes in right system,
Make the layer door unlock where roll wheel assembly 410, layer door and gate 700 are not opened at this time, while roll wheel assembly 410 is close to left system
Bar 100 is closed, finally pushes left system to close bar 100 and moves, unlock gate.Belt 800 continues to move downward, since bar closes in left system
100 and right system close 200 pinching roller component 410 of bar, therefore layer door and gate 700 realize that linkage is opened.In this way, elevator door is opened
The mode of opening is successively to unlock layer door lock and car door lock, finally opens gate and layer door linkage, avoids gate in door opening process
The stuck situation of middle car door lock, improves elevator reliability of operation, improves the synchronism of layer door and gate, also improves electricity
The aesthetic appearance of ladder.
Further, elevator door lock device further includes buffer gear 600, and bank 710 are arranged on gate in buffer gear 600
It is interior；The height that the track that bar 200 is moved from first position to the second position is closed by right system is gradually reduced；Buffer gear 600 has slow
Impulse face, during right system's conjunction bar 200 moves back and forth between the first position and the second position, the upper end that bar 200 closes in right system is begun
Whole and buffering face contact.During right system's conjunction bar 200 moves back and forth between the first position and the second position, bar closes in right system
200 upper end always with buffering face contact, that is to say, that the buffering suface of buffer gear 600 can cooperate it is right system close bar 200 fortune
Dynamic rail mark, so that the motion ratio that bar 200 closes in right system is more gentle, in this way, moving to if carriage has a power failure in non-leveling zone domain in carriage
During leveling region, right system closes bar 200 and rotates under the effect of gravity, and the buffering suface of buffer gear 600 can be effective
Slow down the stroke speed that 200 pairs of layer door idler wheels of bar close in right system, avoids the damage of equipment.And no matter because any reason works as elevator
When being parked in leveling zone, want to open gate 700 out of carriage, when using certain, when taking off gate 700, buffer gear 600 delays
Impulse face can close bar 200 to right system and generate downward squeezing action power, so that right system closes bar 200 and transported from first position to the second position
It is dynamic, it finally being capable of united opening gate 700 and layer door.In this way, comparing more traditional elevator, which can guarantee any situation
Under, gate 700 can be opened out of carriage according to demand as long as elevator is parked in onlocking zone, while can be avoided emergency
When system close bar and shrink shock to roll wheel assembly 410, exempt the damage of equipment.
The structure type of buffer gear 600 can there are many, as a preferred embodiment, buffer gear 600 wrap
Dashpot 610 is included, the groove face of dashpot 610 forms buffering suface；It is to close idler wheel 210, right system that the upper end that bar 200 closes in right system, which is provided with,
Close during bar 200 moves back and forth between the first position and the second position, close idler wheel 210 always with buffer face contact.
When gate 700 is located at leveling zone, under normal condition, belt 800, which moves downward, drives right system to close bar 200 relative to pedestal 500
Rotation, due to the effect of dashpot 610, the movement that bar 200 closes in right system is more slow, and final right system's conjunction bar 200 is close and pushes
Roll wheel assembly 410, so as to open gate 700 and layer door.
When gate 700 is parked in leveling zone, if emergency situations occur, such as door system power-off, bar 200 closes in gravity in right system
The second position is moved to by first position under effect, 200 pushing rolling wheels component 410 of bar closes in right system, and roll wheel assembly 410 pushes left system
Bar 100 is closed, final gate 700 and layer door are opened.If elevator is parked in leveling zone, door system electrification, but belt 800 breaks down
Always it being tensioned to the right, gate 700 can not be normally-open, firmly takes off gate 700 at this time, and gate 700 has the tendency that moving downward, with
The pedestal 500 that gate 700 connects also has the tendency that moving downward, and the right system being then rotatably connected on pedestal 500 closes bar 200 and exists
Under the action of dashpot 610, starts to be moved from first position to the second position, finally can also open gate 700 and layer door.
Wherein, the shape of dashpot 610 can be linear, fold-line-shaped, can also it is arc-shaped or it is arc-shaped with it is straight
Linear combination, therefore buffering suface can be the combination of plane, folding surface, arc surface or arc surface and plane.It is preferred that
Ground, dashpot 610 are arc-shaped and linear combination, and dashpot 610 is followed successively by arc-shaped along the direction that elevator door is opened
Slot and straight shape groove.The groove face of 610 arc-shaped slot of dashpot is and be to close the buffering suface that contact of idler wheel 210 extension track
To be to close the track that rotates relative to pedestal 500 of 210 outer circle of idler wheel.The straight shape groove of dashpot 610 is horizontally extending
One section.
In other embodiments, buffer gear 600 can also include buffer board, and the lower surface of buffer board is above-mentioned buffering
Face.
As a preferred embodiment, elevator door lock device further includes that arm 220 closes in the first parallel system of relative spacing
Arm 230 is closed with the second system, bar 200 is closed with right system respectively for the both ends that arm 220 closes in the first system and pedestal 500 is hinged, and arm closes in the second system
Bar 200 is closed with right system respectively for 230 both ends and pedestal 500 is hinged.In order to optimize structure, avoid forming interference between each other, it can
One end setting that arm 220 closes in first system, arm 230 closes in the second system and pedestal 500 is hinged is closed into bar 200 in right system and closes bar far from left system
100 side, wherein the upper end that the upper end of arm 220 is closed by the first system and bar 200 closes in right system is hinged, and the lower end of arm 220 is closed by the first system
Hinged with pedestal 500, the lower end that the upper end of arm 230 is closed by the second system and bar 200 closes in right system is hinged, and the lower end of arm 230 is closed by the second system
It is hinged with pedestal 500.Arm 220 is closed by the first system and arm 230 closes in the second system, so that right system is closed bar 200 can rotate around pedestal 500,
And it is able to maintain vertical state always, guarantee that the stability that bar 200 moves is closed by right system.
As a preferred embodiment, elevator door lock device further includes that arm 110 closes in the parallel third system of relative spacing
Arm 120 is closed with the 4th system, the both ends that arm 110 closes in the third system close bar 100 with the left system respectively and the pedestal 500 is cut with scissors
It connects, the both ends that arm 120 closes in the 4th system close bar 100 with the left system respectively and the pedestal 500 is hinged.In order to optimize knot
Structure avoids forming interference between each other, third system can be closed to arm 110, the 4th system closes the one end hinged with pedestal 500 of arm 120 and sets
It sets and closes side of the bar 100 far from right system's conjunction bar 200 in left system, wherein the lower end of arm 110 is closed by third system and bar 100 closes in left system
Lower end is hinged, third system close arm 110 upper end and pedestal 500 it is hinged, the lower end of arm 120 is closed by the 4th system and bar 100 closes in left system
Upper end is hinged, and the upper end of the 4th system conjunction arm 120 and pedestal 500 are hinged.Arm 110 is closed by third system and arm 120 closes in the 4th system, is made
Left system closes bar 100 and can rotate around pedestal 500, and is able to maintain vertical state always, guarantees that the stabilization that bar 100 moves is closed by left system
Property.
Referring to Fig. 1 and Fig. 9, as a preferred embodiment, elevator door lock device further includes limit assembly 240, limit
Hyte part 240 includes rotating seat 241, long-armed 242, and rotating seat 241 and pedestal 500 are rotatablely connected, long-armed 242 one end and rotation
Seat 241 connects, and the other end is provided with bayonet 243；First system conjunction arm 220 closes bar 200 with right system and is connect by shaft 221；Work as the right side
When system's conjunction bar 200 moves to the second position, bayonet 243 can be connected in shaft 221 (as shown in Figure 5).It is opened in gate 700
Initial stage, when bar 200 closes in right system moves to the second position, gate 700 is opened, and bayonet 243 is connected in shaft 221,
Enable right system to close the relatively fixed not play of bar 200, preferably avoid in the opening process of subsequent gate 700, right system closes
Bar 200 is subjected to displacement under the drive of belt 800, cannot gripping layer door roll wheel assembly 410 well.
Further, limit assembly 240 further includes galianconism 244, and one end of galianconism 244 is connect with rotating seat 241, the other end
It is provided with release idler wheel 245；The quality of galianconism 244 is less than long-armed 242 quality, galianconism 244 and long-armed 242 settings at an acute angle；
The release groove 250 cooperated with release idler wheel 245 is provided on gate in bank 710, release groove 250 has emission surface, and bar closes in right system
During 200 move from the second position to first position, release idler wheel 245 and release face contact.Wherein, release groove 250
Structure formed can there are many, shape can be linear, arc-shaped or linear and arc-shaped combination etc., therefore release
The face of putting can be the combination of plane, folding surface, arc surface or arc surface and plane.For example, the shape of release groove 250 is
Linear and arc-shaped combination, release groove 250 are followed successively by straight shape groove and arc-shaped slot along the direction that elevator door is opened.It releases
Emission surface of the groove face of the arc-shaped slot of slot 250 as contacting with release idler wheel 245 is put, track and release idler wheel are extended
The shape of the track of 245 movements is consistent.The straight shape groove of release groove 250 is horizontally extending one section.
In the initial stage that gate 700 is opened, long-armed 242 end naturally droops (as schemed limit assembly 240 under the effect of gravity
Shown in 1), it is resisted against the left side that bar 200 closes in right system, discharges the lower end in contact of idler wheel 245 and 250 arc-shaped slot of release groove at this time,
During gate 700 continues starting, limit assembly 240 rotates, and the bayonet 243 at long-armed 242 end is connected to shaft 221
On, and discharge idler wheel 245 and be rocked at the upper end position of arc-shaped slot (as shown in Figure 5).Gate 700 close the last stage,
Release idler wheel 245 first contacts the upper end of 250 arc-shaped slot of release groove, during gate 700 continues closing, discharges idler wheel 245
Along lower end motion of the release towards 250 arc-shaped slot of release groove, so that the bayonet 243 at long-armed 242 end deviates from shaft 221, from
And enable right system to close bar 200 and start to rotate to shutdown direction (horizontally to the right) under the pulling of belt 800, until gate
700 and layer door completely close, meanwhile, limit assembly 240 rotation reset.In this way, by setting limit assembly 240, so that gate
700 and layer door during opening and closing, can be able to achieve linkage well, further increase layer door and gate 700
Linkage.
Referring to Fig. 1, as a preferred embodiment, elevator door lock device further includes that positioning component, right system are closed by right system
It closes positioning component to be arranged on pedestal 500, the slewing area for limiting right system's conjunction bar 200 relative to pedestal 500 is at first
It sets between the second position.Wherein, it may include the first positioning region 261 and the second positioning region 262 that positioning component closes in right system, and first is fixed
Continue relative to pedestal 500 for preventing right system from closing when bar 200 moves to first position by the second position towards first in position portion 261
The direction rotation set, for example, the first positioning region 261 can be positioning bolt, which is arranged in the right side that bar 200 closes in right system
Side, when bar 200 closes in right system moves to first position, the right edge that bar 200 closes in right system is just abutted with positioning bolt.Second is fixed
Position portion 262 is for preventing right system from closing when bar 200 moves to the second position by first position continuation relative to pedestal 500 towards second
The direction rotation set, for example, the second positioning region 262 can be locating piece, which is arranged in the left side that bar 200 closes in right system,
When bar 200 closes in right system moves to the second position, locating piece can close arm 220 with the first system or the second system closes arm 230 and abuts.
Positioning component is closed by right system, when elevator is in leveling zone, elevator door closes last stage, the first positioning region 261
It is suitable can to guarantee that the distance between roll wheel assembly 410 on bar 200 and layer door closes in right system.Elevator door is opened the initial stage, the
It is suitable to the displacement of the promotion of roll wheel assembly 410 that two positioning regions 262 can guarantee that bar 200 closes in right system.
As a preferred embodiment, elevator door lock device further includes that positioning component closes in left system, positioning group is closed by left system
Part is arranged on pedestal 500；It includes elastic supporting member for supporting optical member 131 and locating piece 132 that positioning component closes in left system, elastic supporting member for supporting optical member 131 with
Third system closes arm 110 and connects, to provide the supporting force for closing bar 100 to left system；Locating piece 132 is located at left system and closes bar 100
The upward displacement range of bar 100 is closed to limit left system in the top of upper end.
Wherein, elastic supporting member for supporting optical member 131 can be compressed spring, and one end of compressed spring is connect with pedestal 500, the other end with
Third system closes arm 110 and connects.Locating piece 132 can be positioning column or screw etc..When elevator is in leveling zone, elevator door is opened
It opens the initial stage, positioning component closes in left system can guarantee that left system closes the distance between roll wheel assembly 410 on bar 100 and layer door and closes
Suitable, elevator door is closed the last stage, and elastic supporting member for supporting optical member 131 can also assist left system conjunction bar 100 to be reset to not pushed by roll wheel assembly 410
State.
Referring to Fig. 1 and Fig. 8, as a preferred embodiment, gate lock set 300 includes gate latch hook 310, unlock
Idler wheel 320 and gate lock hook shaft 330, gate latch hook 310 are rotatably connected on pedestal 500 by gate lock hook shaft 330；Sedan-chair
Gate lock 340 is provided on door in bank 710, gate lock 340 and gate latch hook 310 cooperate；When gate lock set 300 is in
When non-unlocked state, gate lock 340 can limit the displacement range of 310 horizontal movement of gate latch hook；Left system closes to be set on bar 100
It is equipped with driving hook 140, driving hook 140 and left system close and form card slot between bar 100；Unlock idler wheel 320 and gate latch hook 310
Connection, and be located in card slot.
Roll wheel assembly 410 pushes left system to close bar 100 and rotates relative to pedestal 500, it is assumed that bar 100 closes by the third place in left system
The 4th position is moved to, herein it should be noted that the third place is that elevator door is in close state lower left system's conjunction bar 100 relatively
Bar 100 is closed relative to 500 institute of pedestal for elevator door lower left system in the open state in position where pedestal 500, the 4th position
Position.During left system closes bar 100 and moves to four positions by the third place, unlock idler wheel 320 is linked up in driving
Gate latch hook 310 is driven to rotate around gate lock hook shaft 330 under the action of 140, so that gate latch hook 310 be made to be detached from gate lock
340 lock-in range realizes the unlock of gate.
Wherein, the structure of driving hook 140 can be a variety of, such as driving hook 140 is L-shaped, L shape long side and left system
It closes bar 100 to be connected, the side parallel interval of short side and left system's conjunction bar 100, short side and left system close the interval between bar 100 and formed
State card slot.When bar 100 closes in left system to be squeezed by roll wheel assembly 410, between driving 140 short side parts of hook and unlock idler wheel 320
Rolling friction thrust is formed, so that gate latch hook 310 be driven to rotate.
Further, gate latch hook 310 have a latch hook crimp 311, gate latch hook 310 by latch hook crimp 311 with
Gate lock 340 cooperates.Wherein, the structure type of gate lock 340 can be a variety of, such as gate lock 340 is limit agllutination
Structure, limited block are arranged in the rectilinear path of 310 horizontal movement of gate latch hook.When bar 100 closes in the work of roll wheel assembly 410 in left system
When moving to four positions by the third place under, gate latch hook 310 around gate lock hook shaft 330 rotate, latch hook crimp 311 not with
Limited block interferes, and gate 700 can continue to move to enabling direction；Otherwise, latch hook crimp 311 and limited block occur dry
It relates to, gate 700 is prevented to continue to move to enabling direction.In other embodiments, gate lock 340 can also be cyclic annular hook
Structure, otherwise it is unlocked state that latch hook crimp 311, which penetrates in hook as locked state,.
Further, gate lock set 300 further includes clump weight 350, and clump weight 350 is connect with gate latch hook 310；Counterweight
Block 350 and gate latch hook 310 are located at the two sides of gate lock hook shaft 330.Clump weight 350 is used to balance gate lock set 300,
It prevents gate latch hook 310 from rotating under the effect of gravity, causes gate 700 to open by mistake and open.
Further, gate lock set 300 further includes rescue rope 360, and one end of rescue rope 360 and unlock idler wheel 320 connect
It connects.Rescue rope 360 is under special circumstances, such as when carriage does not reach leveling zone, if it is necessary to open gate 700, it can be with
Rescue rope 360 is pulled downward on, to unlock gate lock set 300, opens gate 700.
Referring to Fig. 1, as a preferred embodiment, elevator door lock device further includes safety chain switches, safety is returned
Way switch includes switch main body 371 and switch triggering part 372, and switch main body 371 is arranged on gate in bank 710, switch triggering
Part 372 is arranged on gate latch hook 310；When gate lock set 300 is in non-unlocked state, switch triggering part 372 and switch
Main body 371 contacts, and is closed safety return circuit to form the gate of conducting.Safety chain switches are for connecting or disconnecting elevator door system
System safety return circuit, to detect whether elevator cage door 700 completely closes.Specifically, elevator cage door 700 is left during closing
When system's conjunction bar 100 moves to the third place by the 4th position, switch triggering part 372 is contacted with switch main body 371, and safety return circuit connects
Logical, elevator can be run up and down；As long as elevator is not conversely, detecting that switch triggering part 372 is not contacted with switch main body 371
It can start to run up and down.
Referring to Figure 10 and Figure 11, as a preferred embodiment, layer door lock assembly 400 further includes a layer door lock hook 420
With layer door lock hook shaft 440, layer door lock hook 420 is rotatably connected on layer door in bank by layer door lock hook shaft 440；Roll wheel assembly
410 are rotatably connected on layer door lock hook 420；A layer door lock seat 430, layer door lock seat 430 and layer door lock hook are provided in bank on layer door
420 cooperations；When layer door lock assembly 400 is in non-unlocked state, layer door lock seat 430 being capable of the horizontal fortune of confining layers door lock hook 420
Dynamic displacement range.During right system closes bar 200 and moves to the second position by first position, right system closes bar 200 and pushes rolling
Wheel assembly 410 rotates, due to the effect of frictional force, so that 420 winding layer door lock hook shaft 440 of layer door lock hook rotates abscission layer door lock seat
430, realize the unlock variable condition of solid line to dotted line (layer door lock hook 420 as shown in Figure 11 by) of layer door.
Further, gap is offered on layer door lock hook 420, and the edge with gap cooperation is provided on layer door lock seat 430,
When not unlocking, gap is stuck on edge.When the rotation of 200 pushing rolling wheels component 410 of bar is closed by right system, 410 institute of roll wheel assembly is driven
Layer door lock hook 420 rotate, make gap be detached from edge, realize unlock.
Further, layer door lock assembly 400 further includes door lock pedestal 450, and door lock pedestal 450 is fixed on layer door in bank,
Layer door lock hook 420 is rotatablely connected by layer door lock hook shaft 440 and door lock pedestal 450.
Wherein, limiting section is additionally provided on door lock pedestal 450, limiting section is for confining layers door lock hook 420 relative to door lock
The range that pedestal 450 rotates.Wherein, the structure type of limiting section can there are many, for example, limiting section includes limit hole and limit
Column, limit hole and limited post are separately positioned on layer door lock hook 420 and door lock pedestal 450, and limited post is limited along limit hole
Fixed footprint sliding.
Further, roll wheel assembly 410 includes the first driving wheel 411 and the second driving wheel 412, when gate 700 and layer door leveling
When, the first driving wheel 411 closes bar 200 close to right system, and the second driving wheel 412 closes bar 100 close to left system.As shown in Figure 10 and Figure 11, layer
When door does not unlock, the line at center and the angle of horizontal direction of the center of the first driving wheel 411 and the second driving wheel 412 are zero, when
During right system's conjunction bar 200 moves to the second position by first position, the center of the first driving wheel 411 and the second driving wheel 412
The line at center and the angle of horizontal direction are gradually increased, until layer door lock hook 420 no longer continues to turn relative to door lock pedestal 450
It is dynamic.
The course of work of elevator described in detail below elevator door lock device under different operating conditions:
A, leveling zone electric open-door
When lift car reaches leveling zone (such as Fig. 1), opening signal instructs door motor output torque to open the door, and motor rotates band
Dynamic 800 level of belt moves downward, and driving right system to close bar 200 therewith, rotation forms the component on a horizontal direction left side counterclockwise, to squeeze
Press the first driving wheel 411 (such as Fig. 2), while the Unscrew (such as Figure 12) counterclockwise of layer door lock hook 420, at the same with the first driving wheel 411
The second driving wheel 412 moved synchronously, which squeezes left system's conjunction bar 100, rotates clockwise it, drives driving hook 140 to push to the left and solves
Idler wheel 320 is locked, the Unscrew counterclockwise of gate latch hook 310 (such as Fig. 3 to Fig. 4) is driven.When gate 700 is just opened, limit group
The release idler wheel 245 of part 240 enters emission surface, and long-armed 242 drop under the effect of gravity, closes bar 200 when right system and moves to second
When position, 243 clamping shaft 221 (such as Fig. 5) of bayonet, the opening (such as Fig. 6) synchronous with layer door of gate 700 later.
B, it opens Door by Hand in leveling zone sedan-chair
Referring to Fig. 1, when personnel move downward in door motor energized state bottom band gate 700, i.e. driving gate 700 in sedan-chair,
Dashpot 610 buffering suface under being to close the squeezing action of idler wheel 210, right system conjunction bar 200 can overcome belt 800 to its to
Right pulling force starts rotation counterclockwise, the same a of operating principle later.When in sedan-chair personnel door motor off-position pull down gate
700, since stall power disappears (i.e. 800 pairs of belt right systems close the pulling force of bar 200 to the right and disappear), idler wheel 210 is closed in gravity
Buffering suface under effect along dashpot 610 slowly falls, the same a of operating principle, process such as Fig. 2~Fig. 6.
C, leveling zone Room outward swinging door
When personnel open layer door lock with three angled spoons outside the Room, layer door lock hook 420 rotates counterclockwise, and the second driving wheel 412 is directly
It pushes left system to close bar 100, drives the Unscrew counterclockwise of gate latch hook 310, layer door is made to drive gate 700 is synchronous to open (as schemed
4)。
D, it opens Door by Hand in non-leveling zone sedan-chair
When carriage does not reach leveling, elevator stops, and in sedan-chair when passenger's gate 700 to be pushed aside, what bar 200 closed in right system is conjunction idler wheel
210 along the buffering suface whereabouts (the same b of principle) of dashpot 610, but due to not reaching leveling, it is dynamic without the first driving wheel 411 and second
The effect of wheel 412, left system close bar 100 and can not be driven always, and gate latch hook 310 does not rotate, and when applying certain force, latch hook is curved
Side 311 and gate lock 340, which are formed, interferes, and gate 700 can not continue be opened (such as Fig. 7).
E, non-leveling zone electric open-door
Similar with d situation, difference is that right system closes bar 200 and by belt 800 drives rotation counterclockwise (such as system misidentification is put down
When layer), but due to not reaching leveling, without the effect of the first driving wheel 411 and the second driving wheel 412, therefore bar closes in left system
100 can not be driven always, fail to open gate (such as Fig. 7).
F, emergency stop in running process of elevator
Elevator emergency stop, and when door system power-off, door motor stall power disappears, and (it is to close bars 200 to the right that i.e. 800 pairs of belt are right
Pulling force disappears), right system closes bar 200 and falls under the effect of gravity, and the buffering suface due to dashpot 610 is to being rubbing for conjunction idler wheel 210
Power effect is wiped, so that 200 falling speed of bar is closed relatively slowly (such as Figure 13) by right system, right system is substantially reduced and closes 200 pairs of layer door locks of bar
The impact velocity of component 400, so that effectivelying prevent right system to close bar 200 breaks roll wheel assembly 410.
Elevator door lock device provided in an embodiment of the present invention can be adapted for various cage type elevators, so that application should
The elevator of elevator door lock device is reliable for operation, and the synchronism of layer door and gate is high, can guarantee in any case, as long as elevator stops
Door knife is to layer door lock when can open gate out of carriage according to demand in onlocking zone, while can be avoided emergency
It hits, exempts the damage of equipment.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (9)
1. a kind of elevator door lock device characterized by comprising bar closes in left system, bar, gate lock set, layer door lock group close in right system
Part and pedestal；The pedestal is connect with gate；
The left system closes bar, right system's conjunction bar and the gate lock set and is rotatably coupled with the pedestal, and described
Bar closes in left system and the right system closes bar and is oppositely arranged；
The layer door lock assembly is mounted on layer door, and the layer door lock assembly includes roll wheel assembly, when gate and layer door leveling,
The roll wheel assembly is located at the left system and closes between bar and right system's conjunction bar；Bar closes in the right system can under the drive of belt
Relative to pedestal reciprocating rotation between the first position and the second position；
During right system's conjunction bar is moved from the first position to the second position, the right system is closed described in bar promotion
Roll wheel assembly unlocks the layer door lock assembly, while the roll wheel assembly pushes the left system to close bar relative to the pedestal
Rotation unlocks the gate lock set；
It further include buffer gear, the buffer gear is arranged on gate in bank；The right system close bar from the first position to
The height of the track of the second position movement is gradually reduced；The buffer gear has buffering suface, and bar closes in institute in the right system
State between first position and the second position move back and forth during, it is described it is right system close bar upper end always with the buffering
Face contact.
2. elevator door lock device according to claim 1, which is characterized in that the buffer gear includes dashpot, described
The groove face of dashpot forms the buffering suface；It is conjunction idler wheel that the upper end that bar closes in the right system, which is provided with, and bar closes in institute in the right system
It states during being moved back and forth between first position and the second position, the system closes idler wheel and connects always with the buffering suface
Touching.
3. elevator door lock device according to claim 1, which is characterized in that further include that the first parallel system of relative spacing closes
Arm closes in arm and the second system, and the both ends that arm closes in first system close bar with the right system respectively and the pedestal is hinged, and described second
The both ends that arm closes in system close bar with the right system respectively and the pedestal is hinged；
And arm closes in the parallel third system of relative spacing and arm closes in the 4th system, the third system close the both ends of arm respectively with the left side
Bar closes in system and the pedestal is hinged, and the both ends that arm closes in the 4th system close bar with the left system respectively and the pedestal is hinged.
4. elevator door lock device according to claim 3, which is characterized in that it further include limit assembly, the limit assembly
Including rotating seat, long-armed and galianconism, the rotating seat is connect with the base rotation, described long-armed one end and the rotating seat
Connection, the other end are provided with bayonet；One end of the galianconism is connect with the rotating seat, and the other end is provided with release idler wheel；Institute
The quality for stating galianconism is less than the long-armed quality, the galianconism and the long-armed setting at an acute angle；
First system closes arm and is connect with right system's conjunction bar by shaft；Bar, which is closed, when the right system moves to the second position
When, the bayonet can be connected in the shaft；
The release groove with the release idler wheel cooperation is provided on the gate in bank, the release groove has emission surface, described
During right system's conjunction bar is moved from the second position to the first position, the release idler wheel connects with the emission surface
Touching.
5. elevator door lock device according to claim 3, which is characterized in that further include that positioning component, the right side are closed by right system
Positioning component setting is closed on the base by system, and the slewing area for limiting right system's conjunction bar relative to the pedestal is in institute
It states between first position and the second position；
And positioning component closes in left system, positioning component setting is closed on the base by the left system；Positioning component closes in the left system
Including elastic supporting member for supporting optical member and locating piece, the elastic supporting member for supporting optical member closes arm with the third system and connect, and is closed with providing to the left system
The supporting force of bar；The locating piece is located at the top that the upper end of bar is closed by the left system, upward to limit left system's conjunction bar
Displacement range.
6. elevator door lock device according to claim 1, which is characterized in that the gate lock set include gate latch hook,
Unlock idler wheel and gate lock hook shaft, the gate latch hook are rotatably connected on the pedestal by the gate lock hook shaft；
Gate lock is provided on the gate in bank, the gate lock and the gate latch hook cooperate；When the car door lock
When component is in non-unlocked state, the gate lock can limit the displacement range of the gate latch hook horizontal movement；
The left system closes and is provided with driving hook on bar, and the driving hook and the left system close and form card slot between bar；It is described
Idler wheel and the car door lock hook connects are unlocked, and are located in the card slot.
7. elevator door lock device according to claim 6, which is characterized in that the gate lock set further includes clump weight,
The clump weight and the car door lock hook connects；The clump weight and the gate latch hook are located at the gate lock hook shaft
Two sides.
8. elevator door lock device according to claim 1, which is characterized in that the layer door lock assembly further includes a layer door lock
Hook, layer door lock hook shaft and door lock pedestal, the door lock pedestal are fixed on layer door in bank, and the layer door lock hook passes through the layer door
Lock hook shaft is connect with the door lock base rotation；The roll wheel assembly is rotatably connected on the layer door lock hook；
A layer door lock seat is provided on the layer door in bank, the layer door lock seat and the layer door lock hook cooperate；When the layer door lock
When component is in non-unlocked state, the layer door lock seat can limit the displacement range of the layer door lock hook horizontal movement.
9. elevator door lock device according to claim 1, which is characterized in that the roll wheel assembly includes the first driving wheel and the
Two driving wheels, when gate and layer door leveling, first driving wheel closes bar close to the right system, and second driving wheel is close to the left side
Bar closes in system.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710146186.5A CN106744203B (en) | 2017-03-13 | 2017-03-13 | Elevator door lock device |
| JP2019572276A JP6935519B2 (en) | 2017-03-13 | 2018-03-09 | Elevator door lock device |
| PCT/CN2018/078556 WO2018166405A1 (en) | 2017-03-13 | 2018-03-09 | Elevator door lock device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710146186.5A CN106744203B (en) | 2017-03-13 | 2017-03-13 | Elevator door lock device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106744203A CN106744203A (en) | 2017-05-31 |
| CN106744203B true CN106744203B (en) | 2019-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710146186.5A Active CN106744203B (en) | 2017-03-13 | 2017-03-13 | Elevator door lock device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6935519B2 (en) |
| CN (1) | CN106744203B (en) |
| WO (1) | WO2018166405A1 (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106744203B (en) * | 2017-03-13 | 2019-02-12 | 日立电梯（中国）有限公司 | Elevator door lock device |
| CN109422182B (en) * | 2017-08-31 | 2022-02-11 | 富士达株式会社 | Door device for elevator car |
| CN109436999B (en) * | 2018-11-28 | 2023-11-07 | 苏州市职业大学 | Elevator connecting rod type landing door lock |
| JP6735048B1 (en) * | 2020-03-26 | 2020-08-05 | フジテック株式会社 | Door interlock |
| CN111456555A (en) * | 2020-04-10 | 2020-07-28 | 中国科学院西安光学精密机械研究所 | Sealed cabin with hinge type self-dropping cabin door |
| CN111717750B (en) * | 2020-05-26 | 2021-11-02 | 日立楼宇技术（广州）有限公司 | Method and device for detecting running state of car door contact and computer equipment |
| CN111439659B (en) * | 2020-05-28 | 2024-01-12 | 上海贝思特门机有限公司 | Synchronous door knife of integrated sedan-chair lock of formula of opening outward |
| CN113911867B (en) * | 2020-07-07 | 2023-04-07 | 株式会社日立制作所 | Elevator door and elevator |
| CN113942913B (en) * | 2021-09-27 | 2023-05-30 | 日立电梯（中国）有限公司 | Elevator car door machine, elevator car and elevator door opening and closing control method |
| CN113879510B (en) * | 2021-10-29 | 2023-09-12 | 玉环天润航空机械制造有限公司 | Gangway ladder door locking mechanism |
| CN114348833A (en) * | 2021-12-16 | 2022-04-15 | 日立电梯（中国）有限公司 | Asynchronous door knife integrated car door lock and elevator |
| CN114348834B (en) * | 2021-12-16 | 2024-07-23 | 日立电梯（中国）有限公司 | Asynchronous door knife structure and elevator door lock device |
| CN114715758A (en) * | 2022-04-15 | 2022-07-08 | 日立电梯（中国）有限公司 | Asynchronous door knife integrated car door lock and elevator |
| CN114715759A (en) * | 2022-04-15 | 2022-07-08 | 日立电梯（中国）有限公司 | Asynchronous door knife integrated car door lock and elevator |
| CN117759107A (en) * | 2022-09-16 | 2024-03-26 | 玉环天润航空机械制造有限公司 | Helicopter sliding cabin door |
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| JP2001253670A (en) * | 2000-03-08 | 2001-09-18 | Hitachi Ltd | Door device for elevator |
| JP4708005B2 (en) * | 2003-12-08 | 2011-06-22 | インベンテイオ・アクテイエンゲゼルシヤフト | Apparatus in an elevator car for temporarily connecting a cage door leaf to a hoistway door leaf and activating a cage door unlocking means |
| JP2006016183A (en) * | 2004-07-05 | 2006-01-19 | Mitsubishi Electric Corp | Retiring cam device for elevator |
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- 2017-03-13 CN CN201710146186.5A patent/CN106744203B/en active Active
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2018
- 2018-03-09 JP JP2019572276A patent/JP6935519B2/en active Active
- 2018-03-09 WO PCT/CN2018/078556 patent/WO2018166405A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| JP6935519B2 (en) | 2021-09-15 |
| CN106744203A (en) | 2017-05-31 |
| WO2018166405A1 (en) | 2018-09-20 |
| JP2020509983A (en) | 2020-04-02 |
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