CN104203795A - Safety device for elevator - Google Patents

Safety device for elevator Download PDF

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Publication number
CN104203795A
CN104203795A CN201280071592.5A CN201280071592A CN104203795A CN 104203795 A CN104203795 A CN 104203795A CN 201280071592 A CN201280071592 A CN 201280071592A CN 104203795 A CN104203795 A CN 104203795A
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CN
China
Prior art keywords
door
movable
stop
elevator
detecting
Prior art date
Application number
CN201280071592.5A
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Chinese (zh)
Other versions
CN104203795B (en
Inventor
纐缬雅彦
Original Assignee
三菱电机株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 三菱电机株式会社 filed Critical 三菱电机株式会社
Priority to PCT/JP2012/057343 priority Critical patent/WO2013140575A1/en
Publication of CN104203795A publication Critical patent/CN104203795A/en
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Publication of CN104203795B publication Critical patent/CN104203795B/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02Door or gate operation
    • B66B13/14Control systems or devices
    • B66B13/16Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position
    • B66B13/18Door 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
    • B66B13/20Lock mechanisms actuated mechanically by abutments or projections on the cages

Abstract

A safety device for an elevator is provided with a locking device (16), an unlocking device (34), and an operation device (36). The locking device (16) locks a landing door (10). The locking device (16) is unlocked by the operation of opening the car door (22). The unlocking device (34) unlocks the locking device (16) when first operation is performed at the landing. A detection device (35) is provided with a switch (39). The operation device (36) is provided with a movable section (40), a mechanism section (41), and a holding section (42). The movable section (40) is displaced to a first position and a second position. The mechanism section (41) positions the movable section (40) to the second position when the first operation is applied to the unlocking device (34). The holding section (42) maintains the state in which the movable section (40) is positioned at the second position. If the landing door (10) is closed when the movable section (40) is positioned at the second position, the movable section (40) comes into contact with the detection device (35) and operates the switch (39).

Description

Elevator car safety

Technical field

The present invention relates to elevator car safety.

Background technology

In recent years, machine-roomless lift is increasing.Machine-roomless lift does not have machine room on the top of building etc.For example control panel of the necessary equipment of elevator is arranged in hoistway.Therefore, the service personnel of elevator frequently enters hoistway in the time carrying out upkeep operation.

In the time entering the hoistway of elevator, first service personnel uses the key of regulation to carry out release to the locking device of stop door.Service personnel release after locking device, open stop door, disconnect safety switch (making its action) and carry out afterwards operation.Safety device is arranged at for example hoistway or car.In elevator, landing door device has mutual interlocking gear.Therefore,, during stop door is opened, the car of elevator does not move.And, above-mentioned safety switch once motion, the car of elevator does not also move.

In the time carrying out the safeguarding of elevator, exist service personnel to forget the situation that disconnects safety switch.Under these circumstances, if stop door is closed, the car of elevator is in transportable state.

When following patent documentation 1 discloses in service personnel release locking device, make the device of safety switch auto-action.

Prior art document

Patent documentation

Patent documentation 1: Japanese kokai publication hei 8-91730 communique

Summary of the invention

Invent problem to be solved

In device described in patent documentation 1, use relay test service personnel to open this situation of stop door.Therefore,, after the power supply of control setup is cut off, information is before this reset.Afterwards, in the time of power up, the problem that existence cannot correctly detect.

The present invention completes in order to solve problem as described above, though its object be to provide a kind of in the time having there is cut-out of power supply etc., also can detect reliably service personnel release the elevator car safety of stop door.

For solving the means of problem

The elevator car safety the present invention relates to has: stop door, and it is located at the stop of elevator and opens and closes landing doorway; Locking device, it locks to stop door, and is unlocked by the unlimited action of the car door in the time that the car of elevator stops at stop; Tripper, it,, by the 1st operation being specified from stop, carrys out Lock device with two same action member and carries out release; Detecting device, it is located at the fixed body of hoistway, and has switch; And movement device, it is located at stop door, and movement device has: movable part, is shifted between its 1st position in regulation and the 2nd position; Portion of mechanism, by tripper being carried out to the 1st operation, movable part is configured in the 2nd position by this portion of mechanism; And maintaining part, it keeps movable part to be configured in the state of the 2nd position, if movable part is configured in the 2nd position,, in the time that stop door is closed, movable part contacts with detecting device, makes switch motion.

The effect of invention

If the elevator car safety the present invention relates to, even in the time having there is cut-out of power supply etc., also can detect reliably service personnel release stop door.

Brief description of the drawings

Fig. 1 illustrates the integrally-built figure of elevator.

Fig. 2 is the lateral plan that the main position of elevator is shown.

Fig. 3 is the figure that the structure of the elevator car safety of embodiments of the present invention 1 is shown.

Fig. 4 is the figure that the structure of the elevator car safety of embodiments of the present invention 1 is shown.

Fig. 5 is the front view that the movement device of the elevator car safety of embodiments of the present invention 1 is shown.

Fig. 6 is the birds-eye view that the movement device of the elevator car safety of embodiments of the present invention 1 is shown.

Fig. 7 is the figure that the circuit structure of the elevator car safety of embodiments of the present invention 1 is shown.

Fig. 8 is the front view that the movement device of the elevator car safety of embodiments of the present invention 2 is shown.

Fig. 9 is the birds-eye view that the movement device of the elevator car safety of embodiments of the present invention 2 is shown.

Figure 10 is the figure that the circuit structure of the elevator car safety of embodiments of the present invention 3 is shown.

Figure 11 is the figure that the structure of the elevator car safety of embodiments of the present invention 4 is shown.

Figure 12 is the figure that the structure of the elevator car safety of embodiments of the present invention 5 is shown.

Detailed description of the invention

With reference to accompanying drawing, the present invention is described in detail.In each accompanying drawing, to the additional identical label of identical or suitable part.For the explanation repeating, suitably simplify or omit.

(embodiment 1)

Fig. 1 is the figure that the structure of elevator entirety is shown.

In Fig. 1,1 represents the hoistway of elevator, and 2 represent the stop of elevator.Stop 2 is located at each layer of for example building.3 represent the car of elevator, and 4 represent counterweight.Car 3 is in the interior lifting of hoistway 1.Car 3 and counterweight 4 are located in hoistway 1 by main rope 5 hanger brackets.

6 represent the towing machine of elevator.Towing machine 6 is arranged in the machine room for example possessing above hoistway 1.The in the situation that of machine-roomless lift, towing machine 6 is arranged at for example hoistway 1 interior (top, pit part).A part for main rope 5 is winding on towing machine 6 (driving rope sheave).In the time that towing machine 6 (driving rope sheave) rotates, main rope 5 moves at its length direction.Car 3 along with the corresponding direction of moving direction of main rope 5, in the interior lifting of hoistway 1.Counterweight 4 along the direction contrary with car 3 in the interior lifting of hoistway 1.

7 represent the control setup of the operation of controlling elevator.Control setup 7 is arranged at for example machine room.The in the situation that of machine-roomless lift, control setup 7 is for example arranged in hoistway 1.Towing machine 6 is controlled by control setup 7.

8 display plates, 9 represent to pull in detecting device.The detecting device 9 that pulls in is located at car 3.Plate 8 is for example fixed on, on the fixed body (well enclosure) of hoistway 1.Plate 8 arranges corresponding to each stop 2.Plate 8 is configured in the time that car 3 rests against stop 2 while stopping (height of car 3 and stop 2 consistent and), and detecting device 9 is relative with pulling in.Pull in detecting device 9 in the time plate 8 being detected, detect car 3 and rested against stop 2.

Car 3 has cage door device.Be provided with landing door device at each stop 2.

Below, also referring to figs. 2 to Fig. 6, the structure to cage door device and the structure of landing door device are specifically described.Fig. 2 is the lateral plan that the main position of elevator is shown.Fig. 2 shows car 3 and rests against the state of stop 2.Fig. 3 and Fig. 4 are the figure that the structure of the elevator car safety of embodiments of the present invention 1 is shown.Fig. 3 and Fig. 4 show the state of observing landing door device from car 3 sides.

Landing door device has stop door 10.Stop door 10 opens and closes landing doorway.The main position of stop door 10 is made up of door-plate 11 and door hanger 12.Door-plate 11 is the parts that in fact open and close landing doorway.Landing doorway is blocked by door-plate 11.Door hanger 12 is located at the top on door-plate 11 tops.Door-plate 11 hangs on door hanger 12.Stop door 10 moves along its Width, to open and close landing doorway.The stop door 10 of one-sided unfolding mode has been shown in Fig. 3 and Fig. 4.

The movement of stop door 10 in the time opening and closing is subject to a guide rail 13 and sill (without diagram) guiding.Door guide rail 13 is supported by suspension bracket housing 14.Suspension bracket housing 14 is for example located at, on the fixed body (well enclosure) of hoistway 1.Suspension bracket housing 14 is disposed at the top of landing doorway.Door guide rail 13 configures along frontal width direction on even keel above landing doorway.

Multiple rollers 15 are to be located at door hanger 12 along bidirectional rotation mode freely.Door roller 15 is loaded in the upper surface of door guide rail 13.Door roller 15 rolls on door guide rail 13, and the movement of the upper end to stop door 10 guides thus.

Landing door device has locking device 16.Locking device 16 is for locking to stop door 10.The main position of locking device 16 is made up of fixed plate 17, snap close 18, detector switch 19.Fixed plate 17 is fixed on fabricated section 20.Fabricated section 20 is located at suspension bracket housing 14.

Door hanger 12 is located at by axle 21 in one end of snap close 18.Snap close 18 moves by this way: centered by axle 21 regulation angle in bidirectional rotation.Axle 21 is to configure to the side-prominent mode on even keel of hoistway 1 from door hanger 12.Therefore, the other end up-and-down movement of snap close 18.The other end of snap close 18 is hook-shaped.The other end of snap close 18 hangs over the terminal part of fixed plate 17, stops thus the unlimited action of stop door 10.Be that stop door 10 is locked.

Detector switch 19 is the switches of cutting out completely for detection of stop door 10.Detector switch 19 is located at fabricated section 20.Be provided with protrusion 18a in the other end of snap close 18.Detector switch 19 is aimed at the position of protrusion 18a and is configured.In the time that the other end of snap close 18 hangs over the terminal part of fixed plate 17 (when stop door 10 is locked), protrusion 18a is from top contact detection switch 19.

The detector switch 19 of each stop 2 (each landing door device) is for example connected in series with control setup 7.If in all landing door devices, protrusion 18a contacts with detector switch 19, and the signal of regulation is input to control setup 7.Under these circumstances, the stop door 10 that control setup 7 is judged to be all stops 2 is closed.In the time that the stop door 10 of all stops 2 is closed completely, control setup 7 allows car 3 to move.

If in any landing door device, protrusion 18a separates with detector switch 19, the signal of afore mentioned rules is not input to control setup 7.The stop door 10 of the stop 2 that under these circumstances, control setup 7 is judged to be is not closed.If there is the stop door 10 of opening, control setup 7 does not allow car 3 to move.

Be in this elevator, to there is mutual interlocking gear.

Landing door device does not have the actuating device for driving stop door 10.Cage door device has the actuating device (electrical motor 31 described later) for driving stop door 10.Cage door device has car door 22.Electrical motor 31 is for driving car door 22.In landing door device and cage door device, be provided with the linkage 23 for stop door 10 and the on-off action of car door 22 are linked.The main position of the linkage 23 of stop 2 sides is made up of roller 24, arm 25.

Roller 24 is to be located at an end of arm 25 along bidirectional rotation mode freely.The S. A. of roller 24 is configured to parallel with axle 21.Roller 24 is to configure to the outstanding mode of hoistway 1 side (car 3 sides) than stop door 10.Axle 21 is fixed in the other end of arm 25.Arm 25 extends from axle 21 along oblique upper.Arm 25 is to configure near the mode of fixed plate 17 sides along with a close end.

Car door 22 opens and closes car gangway.The main position of car door 22 is made up of door-plate 26 and door hanger 27.Door-plate 26 is the parts that in fact open and close car gangway.Car gangway is blocked by door-plate 26.Door hanger 27 is located at the top on door-plate 26 tops.Door-plate 26 hangs on door hanger 27.Car door 22 moves along its Width, to open and close car gangway.

The movement of car door 22 in the time opening and closing is subject to a guide rail 28 and sill (without diagram) guiding.Door guide rail 28 is supported by suspension bracket housing 29.Suspension bracket housing 29 is located at the face side of car 3.Suspension bracket housing 29 is disposed at the top of car gangway.Door guide rail 28 configures along frontal width direction on even keel above car gangway.

Multiple rollers 30 are to be located at door hanger 27 along bidirectional rotation mode freely.Door roller 30 is loaded in the upper surface of door guide rail 28.Door roller 30 rolls on door guide rail 28, and the movement of the upper end to car door 22 guides thus.

The propulsive effort of electrical motor 31 is passed to door hanger 27 (car door 22) by converting unit 32.The rotatablely moving of output shaft of the mechanism that is converting unit 32 by regulation to electrical motor 31 changed, and car door 22 is opened and closed.

The main position of the linkage 23 of car 3 sides is made up of a pair of plate 33.Plate 33 is located at the top of door-plate 26.Plate 33 arranges abreast in the mutual opposed mode in interval that separates regulation.Plate 33 is to configure to the side-prominent mode of stop 2 than car door 22.

In the time that car 3 rests against stop 2, roller 24 is configured between plate 33.Now, not contact plate 33 of roller 24.In the time that electrical motor 31 drives, car door 22 to the direction of regulation (evolution to: it is mobile to open wide when action direction (being right in Fig. 3) of moving of door.When car door 22 to evolution when slightly moving, plate 33 touch rolls 24.Car door 22 is further to evolution to movement, and roller 24 is pressed by plate 33 thus.Thus, arm 25 direction (being cw in Fig. 3) to regulation centered by axle 21 is rotated.

Snap close 18 is integrated with arm 25.Therefore, snap close 18 also centered by axle 21 to regulation direction rotation.By above-mentioned rotation, snap close 18 departs from from fixed plate 17.The position that rotates on regulation of arm 25 stops.When snap close 18 departs from and when the rotation of arm 25 stops from fixed plate 17, stop door 10 and car door 22 1 in the same way evolution to movement.

The unlimited action of the car door 22 when thus, locking device 16 stops at stop 2 by car 3 and release.

In the time that snap close 18 departs from from fixed plate 17, protrusion 18a leaves detector switch 19.Thus, control setup 7 detects stop door 10 and opens (not closing completely).

In the time of closing movement, car door 22 is to (closing direction: direction that when closing movement, door moves (in Fig. 3 for left to) is mobile in the opposite direction with above-mentioned evolution.Axle 21 (roller provided thereon) is pressed by another plate 33, and stop door 10 closes in the same way direction with car door 22 1 and moves.In the time that stop door 10 is closed completely, snap close 18 hangs on fixed plate 17, and stop door 10 is locked.In the time that snap close 18 hangs on fixed plate 17, protrusion 18a contact detection switch 19.Thus, control setup 7 detects stop door 10 and closes.

Landing door device also has tripper 34, detecting device 35, movement device 36.

Tripper 34 is the devices that carry out release for Lock device with two same action member 16.The service personnel of elevator, by the operation (the 1st operation) tripper 34 being specified from stop 2, carrys out Lock device with two same action member 16 and carries out release.Service personnel for example inserts key 37 Kong Zhonghou of stop door 10 from stop 2 sides, by the direction rotation key 37 to regulation, carry out Lock device with two same action member 16 and carry out release.In the time carrying out aforesaid operations with key 37, tripper 34 makes arm 25 to the direction rotation identical with unlimited when action of car door 22.Thus, snap close 18 leaves fixed plate 17, and stop door 10 is unlocked.

The structure of tripper 34 is not limited to the above.Tripper 34 also can adopt the structure of hidden or T font.When tripper 34 has other structures, the unlocking operation (the 1st operation) that service personnel carries out becomes the predetermined operation of the structure that meets tripper 34.For example, as unlocking operation, may be required between the door shield portion 38 of stop door 10 and landing door device and insert special tool, make this special tool upward direction (or lower direction) mobile.

Door shield portion 38 is the parts that approach the end face of stop door 10 in the time that stop door 10 is closed.Door shield portion 38 is parts of landing door device.Door shield portion 38 forms the fixed body of hoistway 1.

Detecting device 35 is the devices that entered hoistway 1 (also comprising the situation that will enter) for detection of service personnel.Detecting device 35 has electric switch 39.Detecting device 35 is located at the fixed body of hoistway 1.Detecting device 35 is disposed at the position that approaches stop door 10 in the time that stop door 10 is closed.

In the present embodiment, as an example of detecting device 35, show the situation that is only formed the main position of detecting device 35 by switch 39.In addition, in the present embodiment, switch 39 is fixed on to door shield portion 38.

Movement device 36 is in the time tripper 34 having been carried out to unlocking operation (the 1st operation), makes detecting device 35 detect the device entering of service personnel.For example, when the key 37 in the hole that is inserted into stop door 10 rotates, movement device 36 by regulation mechanism by this rotatablely move be converted to other motion, switch 39 is moved.

Movement device 36 is located at stop door 10.Movement device 36 has movable part 40, portion of mechanism 41, maintaining part 42, releasing portion 47 (nothing diagram in Fig. 1 to Fig. 4).

Movable part 40 is shifted between in the position for not making 39 actions of switch (the 1st position) with for the position (the 2nd position) that switch 39 is moved.The movable part 40 common running of for example elevator (time) conventionally time is disposed at the 1st position.

Maintaining part 42, in the time that movable part 40 is disposed at the 2nd position, keeps this to be disposed at the state of the 2nd position.Maintaining part 42 is for example by the mechanism to movable part 40 application of forces all the time or so that the mode that movable part 40 can not move from the 2nd position is entered line-locked mechanism forms.In the time that movable part 40 is disposed at the 2nd position, if do not remove the maintenance function of maintaining part 42, movable part 40 does not return to the 1st position.

Portion of mechanism 41 is by the time carrying out unlocking operation to tripper 34, forms for the mechanism of the regulation that movable part 40 is disposed to the 2nd position.For example, the motion of the regulation being produced by above-mentioned unlocking operation is converted to other motions by portion of mechanism 41, makes movable part 40 be displaced to the 2nd position.In the time that stop door 10 is closed, the movable part 40 that is disposed at the 2nd position contacts with detecting device 35.By movable part 40 is contacted with detecting device 35, and switch 39 is moved.

Releasing portion 47 is for removing the maintenance function of maintaining part 42.From stop 2, releasing portion 47 is specified when service personnel operation (the 2nd operation) time, can make the movable part 40 that is disposed at the 2nd position return to original position (being disposed at the 1st position).

The concrete 26S Proteasome Structure and Function of movement device 36 is also described with reference to Fig. 5 and Fig. 6 below.

Fig. 5 is the front view that the movement device of the elevator car safety of embodiments of the present invention 1 is shown.Fig. 6 is the birds-eye view that the movement device of the elevator car safety of embodiments of the present invention 1 is shown.

Movable part 40 for example with respect to stop door 10 along evolution to and the back side closing direction and move mode freely and be located at door-plate 11.Fig. 5 and Fig. 6 show movable part 40 be disposed at not end face from stop door 10 (door-plate 11) outstanding draw in position (the 1st position).43 represent to be located at the projection of movable part 40, and 44 represent to be located at the fixed parts of stop door 10.When movable part 40 from draw in position with respect to stop door 10 to closing direction while moving, because projection 43 contacts fixed parts 44, this is moved and stops.In the time that projection 43 contacts fixed parts 44, movable part 40 is disposed at one end from the outstanding extrusion position (the 2nd position) of the end face (to door shield portion 38 sides) of stop door 10.

Maintaining part 42 is by for example the other end of movable part 40 being formed to the spring that direction presses that closes of stop door 10.Be provided with fastener 45 at stop door 10.When common, the claw 46 of the other end of movable part 40 hangs on fastener 45, and thus, even be subject to power from maintaining part 42, movable part 40 is also maintained at draws in position.

The bar-like member of the L word shape that portion of mechanism 41 is for example moved up and down by an end forms.The parts in the hole that forms key 37 use are fixed in the other end of portion of mechanism 41.In Fig. 5, illustrate: when when inserting key 37 in the hole of stop door 10 to A direction rotation, the situation that can carry out release to stop door 10.

In the time that the key 37 in the hole of inserting stop door 10 rotates to the direction (being A direction in Fig. 5) of regulation, portion of mechanism 41 is to the direction rotation identical with key 37.When portion of mechanism 41 is during to A direction rotation, move downwards an end of portion of mechanism 41, and claw 46 departs from from fastener 45.In the time that claw 46 departs from from fastener 45, movable part 40 maintained portions 42 are pressed and are moved to closing direction, are configured in extrusion position.Be disposed at after extrusion position at movable part 40, maintaining part 42 is still pressed movable part 40 to closing direction.Therefore,, if there is no External Force Acting, after movable part 40, be still disposed at extrusion position.

Releasing portion 47 has for example releasing rod 48, opening 49, cover 50.

Remove rod 48 and be located at movable part 40.Remove rod 48 along with movable part 40 is shifted.Removing rod 48 configures in the mode of extending upward from movable part 40.

Opening 49 is formed by the slotted hole that is formed at stop door 10.The moving direction configuration of the long edge movable part 40 of opening 49.In the present embodiment, the switching direction of the long edge stop door 10 of opening 49 configuration.Opening 49 is aimed at the position of the upper end of removing rod 48 and is formed at stop door 10.At movable part 40, from during drawing in position and moving to extrusion position, a part for movable part 40 and opening 49 are opposed.Cover 50 is located at stop door 10.Cover 50 configures in the mode that covers the upper end of opening 49 and hook stick 48 from hoistway 1 side.

The service personnel of elevator, in the time that the movable part 40 that makes to be disposed at the 2nd position returns to the 1st position, inserts special tool (without diagram) opening 49 from stop 2 sides.Service personnel by special tool make remove rod 48 with respect to stop door 10 to evolution to movement, claw 46 is hung on fastener 45.Thus, can make movable part 40 return-to-home positions.

Because releasing portion 47 has cover 50, this aforesaid operations of maintenance function of therefore removing maintaining part 42 cannot carry out from hoistway 1 side, can only carry out from stop 2 sides.,, when the maintenance function of maintaining part 42 is disengaged, service personnel must be positioned at stop 2.Thus, guaranteed the safety of service personnel.

Fig. 7 is the figure that the circuit structure of the elevator car safety of embodiments of the present invention 1 is shown.As mentioned above, landing door device (detecting device 35) is located at each floor that car 3 stops.Label 39-1 shown in Fig. 7 represents the normally closed contact of the switch 39 that the stop 2 of ground floor has.39-2 represents the normally closed contact of the switch 39 that the stop 2 of the second layer has.39-N represents the normally closed contact of the switch 39 that the stop 2 of N layer has.

The switch 39 (contact) that is arranged at each layer is connected in series with control setup 7., the switch 39 (contact 39-N) of the switch 39 (contact 39-2) of the switch 39 of ground floor (contact 39-1), the second layer, N layer is connected in series with control setup 7.

If in all landing door devices, movable part 40 does not contact (being that switch 39 does not move) with detecting device 35, and the signal of regulation is input to control setup 7.

In any landing door device, carry out after unlocking operation, the movable part 40 of this landing door device is disposed at the 2nd position.Therefore, if the stop door 10 of this stop 2 close, movable part 40 contact detecting apparatus 35.In the time that movable part 40 contacts with detecting device 35, switch 39 moves, and corresponding contact disconnects.The incoming signal of control setup 7 becomes 0V, detects thus service personnel and has entered hoistway 1.Control setup 7 in the time detecting service personnel and enter hoistway 1, the running under putting maintenance into practice pattern.

If there is the safety device of said structure, even in the time having there is cut-out of power supply etc., also can detect reliably service personnel release stop door 10.That is, in the time that service personnel carries out unlocking operation to tripper 34, movable part 40 is outstanding from the end face of door-plate 11, and this state is maintained.Even if this state is also constant in the time there is supply disconnecton, therefore after power up, still can correctly detect.During in service personnel is stranded in hoistway 1, can proceed the running under service mode.

Detecting device 35 is located at the fixed body of hoistway 1.Therefore, there is no need to connect up upper enforcement of moving part (being stop door 10), there is no the worry of broken string.

The movable part 40 of movement device 36 is located at door-plate 11, moves along the switching direction of stop door 10.In addition, detecting device 35 is located at door shield portion 38.Therefore, movement device 36 can be configured in to the position that approaches tripper 34 (insertion portion of key 37).Can reduce misoperation or the fault of movement device 36.Can also realize movement device 36 by simple structure.

In the present embodiment, be illustrated for special tool being inserted to situation about operating in opening 49 in order to make movable part 40 return to the 1st position.As additive method, also can consider for example special tool to be inserted between stop door 10 and door shield portion 38 and operate.Under these circumstances, needn't on stop door 10, form opening 49.

(embodiment 2)

Fig. 8 is the front view that the movement device of the elevator car safety of embodiments of the present invention 2 is shown.Fig. 9 is the birds-eye view that the movement device of the elevator car safety of embodiments of the present invention 2 is shown.

For the safety device in present embodiment, the structure of its movement device 36 is disclosed different from embodiment 1.In embodiment 1, be illustrated for the situation of using the special tool different from key 37 to remove the maintenance function of maintaining part 42.In the present embodiment, describe for the situation of removing the maintenance function of maintaining part 42 with key 37.

The releasing portion 47 of movement device 36 has for example releasing rod 48 and 51, cover 50 etc.

Removing rod 51 is for example made up of the bar-like member of L word shape.Remove rod 51 with respect to stop door 10 along evolution to and close the mode that direction moves freely and arrange.One end of removing rod 51 is disposed at door shield portion 38 sides of removing rod 48.Remove the other end of rod 51 by axle 51a and slotted hole 41a, be connected with portion of mechanism 41.

In the safety device with said structure, in the time that the key 37 in the hole of inserting stop door 10 rotates to the direction (being A direction in Fig. 8) of regulation, portion of mechanism 41 is to the direction rotation identical with key 37.When portion of mechanism 41 is during to A direction rotation, move downwards an end of portion of mechanism 41, and claw 46 departs from from fastener 45.In the time that claw 46 departs from from fastener 45, movable part 40 maintained portions 42 are pressed and are moved to closing direction, are configured in extrusion position.Be disposed at after extrusion position at movable part 40, maintaining part 42 is still pressed movable part 40 to closing direction.Therefore,, if there is no External Force Acting, after movable part 40, be still disposed at extrusion position.

The service personnel of elevator returns while drawing in position at the movable part 40 that makes to be disposed at extrusion position, by key 37 contrary direction (being B direction in Fig. 8) rotation when with above-mentioned unlocking operation.When key 37 is during to B direction rotation, portion of mechanism 41 is to the direction rotation identical with key 37.When portion of mechanism 41 is during to B direction rotation, remove rod 51 with respect to stop door 10 to evolution to movement.When remove rod 51 to evolution when slightly moving, remove an end contact of rod 51 and remove rod 48.Remove rod 51 further to evolution to movement, remove thus rod 48 and be disengaged rod 51 and press, movable part 40 is to evolution to movement.Position by key 37 to B direction rotation to regulation, claw 46 hangs on fastener 45 thus, and movable part 40 is disposed at the 1st position.

If there is the safety device of said structure, the service personnel of elevator can with key 37 carry out to the unlocking operation of tripper 34 and remove maintaining part 42 maintenance function operation the two.Therefore, can improve workability.

In unlocking operation that tripper 34 is carried out (the 1st operation) situation different from operation in present embodiment, can be by carrying out the operation of contrary with unlocking operation (oppositely) as long as be configured to, make the movable part 40 that is disposed at the 2nd position be disposed at the 1st position.

Other structure is identical with the disclosed structure of embodiment 1.

(embodiment 3)

Figure 10 is the figure that the circuit structure of the elevator car safety of embodiments of the present invention 3 is shown.

Label 39-11 shown in Figure 10 represents the open contact of the switch 39 that the stop 2 of ground floor has.39-21 represents the open contact of the switch 39 that the stop 2 of the second layer has.39-N1 represents the open contact of the switch 39 that the stop 2 of N layer has.

The switch 39 (contact) that is arranged at each layer is connected in parallel with control setup 7., the switch 39 (contact 39-N1) of the switch 39 (contact 39-21) of the switch 39 of ground floor (contact 39-11), the second layer, N layer is connected in parallel with control setup 7.

The switch 39 (contact) that is arranged at each layer is connected in series with relay 52.The switch 39 (contact 39-11) of relay 52-1 and ground floor is connected in series.The switch 39 (contact 39-21) of relay 52-2 and the second layer is connected in series.The switch 39 (contact 39-N1) of relay 52-N and N layer is connected in series.

Label 52-11 shown in Figure 10 represents the relay contact of relay 52-1.Label 52-21 represents the relay contact of relay 52-2.Label 52-N1 represents the relay contact of relay 52-N.Relay contact 52-11,52-21 ..., 52-N1 and control setup 7 be connected in series.

If in all landing door devices, movable part 40 does not contact (being that switch 39 does not move) with detecting device 35, all relay contact closures, and the signal of regulation is input to control setup 7.

In any landing door device, carry out after unlocking operation, the movable part 40 of this landing door device is disposed at the 2nd position.Therefore, if the stop door 10 of this stop 2 close, movable part 40 contact detecting apparatus 35.In the time that movable part 40 contacts with detecting device 35, switch 39 moves, the closing of contact of this switch 39.Thus, corresponding relay moves, and relay contact disconnects.The incoming signal of control setup 7 becomes 0V, detects thus service personnel and has entered hoistway 1.Control setup 7 in the time detecting service personnel and enter hoistway 1, the running under putting maintenance into practice pattern.

If there is the safety device of said structure, not when contact detecting apparatus 35, the contact of switch 39 can be set to "open" state at movable part 40.Therefore, can use various switches as switch 39.

Other structure is identical with the disclosed structure of embodiment 1 or 2.

(embodiment 4)

Figure 11 is the figure that the structure of the elevator car safety of embodiments of the present invention 4 is shown.About the safety device in present embodiment, the structure of its detecting device 35 and movement device 36 is disclosed different from embodiment 1 to 3.

Detecting device 35 has electric switch 53.Switch 53 is located at fabricated section 20.Switch 53 is disposed at the position that approaches door hanger 12 in the time that stop door 10 is closed.

Movement device 36 has for example movable part 54, portion of mechanism 55, maintaining part 56, releasing portion (nothing diagram in Figure 11).

Movable part 54 for example with respect to stop door 10 along evolution to and close the mode that direction moves freely and be located at door hanger 12.Figure 11 shows movable part 54 and is disposed at the state of drawing in position (the 1st position).In the present embodiment, draw in position be movable part 54 not from door hanger 12 with the outstanding position of the opposed end face of fabricated section 20.Movable part 54 moves to closing direction with respect to door hanger 12 from drawing in position, and one end is disposed at the outstanding extrusion position (the 2nd position) of above-mentioned end face (to fabricated section 20 sides) from door hanger 12.

Maintaining part 56 is by for example the other end of movable part 54 being formed to the spring that direction presses that closes of stop door 10.

In the time tripper 34 having been carried out to unlocking operation (the 1st operation), portion of mechanism 55 is shifted downwards.In the time that portion of mechanism 55 moves downwards, movable part 54 maintained portions 56 are pressed and are moved to closing direction, are configured in extrusion position.If there is no External Force Acting, after movable part 54, be still disposed at extrusion position.

If there is the safety device of said structure, the major part of movement device 36 can be disposed to door hanger 12.Even be provided with glass in a part for door-plate 11, also can not damage stop door 10 aesthetic property movement device 36 is set.

If there is the safety device of said structure, can be applied to the stop door 10 of two evolution formulas.

Other structure is identical with embodiment 1 to 3 disclosed structure.

(embodiment 5)

Figure 12 is the figure that the structure of the elevator car safety of embodiments of the present invention 5 is shown.About the safety device in present embodiment, the structure of its detecting device 35 and movement device 36 is disclosed different from embodiment 1 to 4.

Movement device 36 has for example movable part 57, portion of mechanism 58, maintaining part 59, releasing portion (nothing diagram in Figure 12).

Movable part 57 is for example located at the back side of door-plate 11 in mobile along the vertical direction mode freely.Movable part 57 is disposed at a upper lateral part of door-plate 11.Movable part 57 be disposed in door-plate 11, top do not configure the part of door hanger 12.

Figure 12 shows movable part 57 and is disposed at the state of drawing in position (the 1st position).In the present embodiment, drawing in position is that movable part 57 is not from the outstanding position, upper surface (upward) of door-plate 11.Movable part 57 is moved upward from drawing in position, and its upper end is disposed at the extrusion position outstanding from the upper surface of door-plate 11 (upward) (the 2nd position).In Figure 12, movable part 57 shown in broken lines is disposed at the state of extrusion position (the 2nd position).

Maintaining part 59 is made up of the spring of for example bottom of movable part 57 being pressed upward.

In the time tripper 34 having been carried out to unlocking operation (the 1st operation), portion of mechanism 58 moves in the mode that departs from movable part 57.In the time that portion of mechanism 58 departs from from movable part 57, movable part 57 maintained portions 59 are pressed and are moved upward, and are configured in extrusion position.If there is no External Force Acting, after movable part 57, be still disposed at extrusion position.

Detecting device 35 has electric switch 60 and cam 61.

Switch 60 is located at fabricated section 20.Switch 60 is disposed at the inside of for example landing door device (suspension bracket housing 14).

Cam 61 is for making where necessary switch 60 move.Cam 61 is located at fabricated section 20.In the time that stop door 10 is closed, cam 61 is disposed at the top of stop door 10 (door-plate 11).Specifically, in the time that stop door 10 is closed, cam 61 be disposed at movable part 57 directly over.If movable part 57 is disposed at the 2nd position, in the time that stop door 10 is closed, the roller of the upper end jack-up cam 61 of movable part 57.By this action, cam 61 contact switches 60, move switch 60.

If there is the safety device of said structure, detecting device 35 can be disposed to fabricated section 20, can be applied to the stop door 10 of two evolution formulas.

Because detecting device 35 has cam 61, therefore switch 60 can be disposed to the inside of landing door device.It is easy that the installation of switch 60 or wiring become.

Other structure is identical with embodiment 1 to 4 disclosed structure.

Utilizability in industry

The elevator car safety the present invention relates to can be applied to the elevator in landing door device with tripper.

Label declaration

1: hoistway

2: stop

3: car

4: counterweight

5: main rope

6: towing machine

7: control setup

8,33: plate

9: detecting device pulls in

10: stop door

11,26: door-plate

12,27: door hanger

13,28: door guide rail

14,29: suspension bracket housing

15,30: door roller

16: locking device

17: fixed plate

18: snap close

18a: protrusion

19: detector switch

20: fabricated section

21,51a: axle

22: car door

23: linkage

24: roller

25: arm

31: electrical motor

32: converting unit

34: tripper

35: detecting device

36: movement device

37: key

38: door shield portion

39,53,60: switch

39-1,39-2 ..., 39-N, 39-11,39-21 ..., 39-N1: contact

40,54,57: movable part

41,55,58: portion of mechanism

41a: slotted hole

42,56,59: maintaining part

43: projection

44: fixed parts

45: fastener

46: claw

47: releasing portion

48,51: remove rod

49: opening

50: cover

52-1,52-2 ..., 52-N: relay

52-11,52-21 ..., 52-N1: relay contact

61: cam

Claims (11)

1. an elevator car safety, it has:
Stop door, it is located at the stop of elevator and opens and closes landing doorway;
Locking device, it locks to described stop door, and is unlocked by the unlimited action of the car door in the time that the car of elevator stops at described stop;
Tripper, it,, by the 1st operation being specified from described stop, carries out release to described locking device;
Detecting device, it is located at the fixed body of hoistway, and has switch; And
Movement device, it is located at described stop door,
Described movement device has:
Movable part, is shifted between its 1st position in regulation and the 2nd position;
Portion of mechanism, by described tripper being carried out to the 1st operation, described movable part is configured in the 2nd position by this portion of mechanism; And
Maintaining part, it keeps described movable part to be configured in the state of the 2nd position,
If described movable part is configured in the 2nd position,, in the time that described stop door is closed, described movable part contacts with described detecting device, makes described switch motion.
2. elevator car safety according to claim 1, wherein,
The door shield portion that described detecting device is located in the time that described stop door is closed and the end face of described stop door is approaching,
Described movable part described end face from described stop door in the time being configured in the 2nd position is outstanding.
3. elevator car safety according to claim 2, wherein,
The described end face from described stop door is not outstanding in the time being configured in the 1st position for described movable part,
The close direction of described movable part from the 1st position to described stop door moves, and is configured in the 2nd position.
4. elevator car safety according to claim 1, wherein,
Described movable part is moved upward from the 1st position, and is configured in the 2nd position,
In the time that described stop door is closed, described detecting device is disposed at the top of described stop door.
5. elevator car safety according to claim 1, wherein,
Described stop door has:
Door-plate, it is for stopping landing doorway; And
Door hanger, it is located at the top of described door-plate, for suspending described door-plate in midair,
Described movable part is located at described door hanger, and the direction of closing from the 1st position to described stop door moves, and is configured in the 2nd position.
6. according to the elevator car safety described in any one in claim 1 to 5, wherein,
Described detecting device has cam, and in the time that described stop door is closed, described cam contact is configured in the described movable part of the 2nd position,
Contact described cam by the described movable part that is disposed at the 2nd position, make described switch motion.
7. according to the elevator car safety described in any one in claim 1 to 6, wherein,
Described elevator car safety has the control setup of the operation of controlling elevator,
Multiple stops of stopping at described car dispose described detecting device,
The switch of multiple described detecting devices and described control setup are connected in series.
8. according to the elevator car safety described in any one in claim 1 to 6, wherein,
Described elevator car safety has the control setup of the operation of controlling elevator,
Multiple stops of stopping at described car dispose described detecting device,
The switch of multiple described detecting devices is connected in series with relay respectively,
The contact of multiple described relays and described control setup are connected in series.
9. according to the elevator car safety described in any one in claim 1 to 8, wherein,
Described movement device has releasing portion, and this releasing portion, by the 2nd operation being specified from described stop, and is configured in the 1st position by the described movable part that is disposed at the 2nd position.
10. according to the elevator car safety described in any one in claim 1 to 8, wherein,
Described movement device has releasing portion, and by described tripper being carried out to the reverse operating of the 1st operation, the described movable part that is disposed at the 2nd position is configured in the 1st position by this releasing portion.
11. according to the elevator car safety described in claim 9 or 10, wherein,
Described releasing portion can not operate from the hoistway side of described stop door.
CN201280071592.5A 2012-03-22 2012-03-22 Elevator car safety CN104203795B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2012/057343 WO2013140575A1 (en) 2012-03-22 2012-03-22 Safety device for elevator

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CN104203795B CN104203795B (en) 2016-01-20

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CN (1) CN104203795B (en)
DE (1) DE112012006072T5 (en)
WO (1) WO2013140575A1 (en)

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CN107848763A (en) * 2015-08-04 2018-03-27 奥的斯电梯公司 Lift car door interlock
CN108883906A (en) * 2016-03-04 2018-11-23 奥的斯电梯公司 Elevator device stop door unlocking mechanism
CN109110621A (en) * 2017-06-22 2019-01-01 奥的斯电梯公司 Elevator lintel door lock safety device
CN109319642A (en) * 2017-07-31 2019-02-12 奥的斯电梯公司 Mechanical hoistway enters control device
US10676321B2 (en) 2016-06-08 2020-06-09 Otis Elevator Company Maintenance safety device for elevator and a operation method thereof

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CN104944263A (en) * 2015-07-06 2015-09-30 宁波欧菱电梯配件有限公司 Elevator landing door with door plate interlocking device
JP6465248B2 (en) * 2016-10-27 2019-02-06 三菱電機株式会社 Elevator landing door open detection device and elevator
US10526172B2 (en) * 2017-09-29 2020-01-07 Otis Elevator Company Mechanical hoistway access control device

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JPH07309567A (en) * 1994-05-20 1995-11-28 Otis Elevator Co Lock release device for elevator door on entrance side
JP2006182490A (en) * 2004-12-27 2006-07-13 Mitsubishi Electric Corp Manually operated device for unlocking door of elevator
US20080078628A1 (en) * 2006-09-28 2008-04-03 Jules Christen Method of modernizing an elevator door system of an elevator installation and modernization kit for carrying out the method
FR2947254A1 (en) * 2009-06-25 2010-12-31 Ets D R I M Locking and unlocking device control system for hoistway landing door of lift, has activating units activating finger from inactive position to active position, and vice-versa, and control units controlling selection units between positions

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107848763A (en) * 2015-08-04 2018-03-27 奥的斯电梯公司 Lift car door interlock
CN108883906A (en) * 2016-03-04 2018-11-23 奥的斯电梯公司 Elevator device stop door unlocking mechanism
US10676321B2 (en) 2016-06-08 2020-06-09 Otis Elevator Company Maintenance safety device for elevator and a operation method thereof
CN109110621A (en) * 2017-06-22 2019-01-01 奥的斯电梯公司 Elevator lintel door lock safety device
CN109319642A (en) * 2017-07-31 2019-02-12 奥的斯电梯公司 Mechanical hoistway enters control device

Also Published As

Publication number Publication date
KR101624825B1 (en) 2016-05-26
JP5743023B2 (en) 2015-07-01
WO2013140575A1 (en) 2013-09-26
KR20140143181A (en) 2014-12-15
DE112012006072T5 (en) 2014-12-04
CN104203795B (en) 2016-01-20
JPWO2013140575A1 (en) 2015-08-03

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