JP2001146375A - Door device of elevator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an elevator door device capable of normally opening/ closing a door of a landing elevator hall even if an existing landing elevator hall door device and a renewed landing elevator hall door device mixedly exist at remodeling work and capable of using an elevator by a time zone by intermittently performing remodeling work in a remodeling work period. SOLUTION: A car 1 is opposed to a landing elevator hall 52, and when a gripping device 18 of a renewed car door device engages with the existing landing elevator hall door device, an engaging fixing plate and an additional fixing plate of the existing landing elevator hall door device are gripped by a fixed engaging plate 20 and an additional movable plate 28 of the gripping device 18. When the renewed car door device engages with a renewed landing elevator hall door device, a mutual space of the fixed engaging plate 20 and the movable engaging plate 21 of the gripping device 18 is expanded to grip a displacement roller 75 and a stationary roller 76. Thus, even if the existing landing elevator hall door device and the renewed landing elevator hall door device are put in a mixedly existing state in the landing elevator hall 52, a door can be normally opened and closed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door device for an elevator which performs repair work for updating equipment by temporarily suspending the operation of the elevator.

[0002]

2. Description of the Related Art Elevator equipment is regularly maintained and inspected to maintain required functions. Also,
Renovation work will be carried out to upgrade the equipment to make the equipment aging and improve the performance of the elevator. As part of such repair work, work is performed to update the door device of the elevator. The elevator door device is provided with a car door device for opening and closing the car doorway, and when the car faces the landing, the car door device engages with the landing door device provided at the landing, The car and the door of the landing are opened and closed together.

[0003] In such an elevator door device, the existing door device and the improved updated door device that can be replaced with the existing door device include the equipment, the mechanism, the car door, and the mounting position of the equipment with respect to the landing door. Etc. are different from each other. For this reason, in order to replace the existing door device with the update door device, it is necessary to collectively repair the car door device and the landing door devices at all the landings.

[0004]

In the repair work of the elevator door device as described above, in order to collectively repair all the landing door devices of the landings provided at a plurality of locations of the hoistway, the elevator is required to be long. It will pause continuously over the period. Particularly in high-rise buildings, the number of landings is large, so that the continuous suspension period becomes longer. Therefore,
During long-term renovation work, the elevator could not be used at all, causing a great inconvenience to users.

An object of the present invention is to solve such a problem, and an object of the present invention is to provide an elevator door device that can use an elevator depending on the time of day even during a repair work.

[0006]

In an elevator door device according to the present invention, a lock device is provided at a part of a landing of a hoistway and is unlocked by an unlocking mechanism of a car that moves up and down the hoistway. An existing landing door device having a joint fixing plate and an additional fixing plate superimposed on the engaging fixing plate, a stationary roller provided on the other landing of the hoistway, and a stationary roller disposed apart from the stationary roller to form the hoistway. An updated landing door device having a displacement roller for unlocking the lock device by an initial opening operation of the updated car door device of the elevator car to be raised and lowered, and a main portion of the updated car door device, and a fixed engagement plate, usually a fixed engagement plate The movable engagement plate which is arranged at a position close to the door stop side of the car doorway and is displaced to the isolated position by the initial operation of opening the door, and the isolated position which is always away from the doorway side of the car doorway with respect to the fixed engagement plate. To And an additional movable plate that is displaced to a position closer to the fixed engagement plate by the door opening initial operation, and is provided between both the fixed engagement plate and the additional movable plate when facing the existing landing door device. When both the fixed plate and the additional fixed plate are disposed and both of them are gripped by the above and opposed to the updated landing door device, both the fixed engagement plate and the movable engagement plate are between the stationary roller and the displacement roller. And a gripping device that is disposed at the front side and grips the twins by the two.

In the elevator door apparatus according to the present invention, a lock device, an engagement fixing plate, and an unlocking mechanism that are provided at a part of the landing of the hoistway and are unlocked by a car that moves up and down the hoistway are unlocked. An existing landing door device having an additional fixing plate superimposed on the engaging fixing plate, a stationary roller provided on the other landing of the hoistway, and a car which is disposed apart from the stationary roller and moves up and down the hoistway. An updated landing door device having a displacement roller for unlocking the lock device by an initial operation of the door of the updated car door device, and a main part of the updated car door device, wherein the car is provided with respect to the fixed engagement plate, usually the fixed engagement plate. A movable engagement plate which is arranged at a position close to the door stop side of the doorway of the car and is displaced to the isolated position by the initial operation of opening the door, and an attachment disposed at an isolated position which is separated from the door stop side of the doorway of the car with respect to the movable engagement plate. When a gripping plate is provided and faces the existing landing door device, both the engaging fixing plate and the additional fixing plate are arranged between both the movable engaging plate and the additional gripping plate, and both of them are gripped by the above both. Then, when facing the renewal hall door device, both a fixed engaging plate and a movable engaging plate are disposed between the stationary roller and the displacing roller, and a gripping device is provided for gripping the twin by the two. .

In the elevator door device according to the present invention, the additional fixing plate is mounted on the engaging fixing plate provided at the existing position in the existing landing door device, and the positions of the engaging fixing plate and the additional fixing plate are determined. A fixed engagement plate and a movable engagement plate of the updated car door device are arranged as reference positions.

In the elevator door device according to the present invention, the fixed roller of the existing hall door device and the additional fixed plate superimposed on the engagement fixed plate have a thickness of the fixed roller of the updated hall door device. Is set to be larger than the diameter of the displacement roller.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 1 to 13
FIG. 1 is a diagram showing an example of an embodiment of the present invention. FIG. 1 is a front view conceptually showing a car equipped with an updated car door device, FIG. 2 is an enlarged view of a portion A in FIG. 1, and FIG. FIG. 4 is a diagram corresponding to FIG. 2 showing a gripping state of the gripping device, FIG. 4 is a hoistway side front view conceptually showing a landing where an updated landing door device is mounted, and FIG. 5 is a conceptual view of a car to which an existing car door device is mounted. FIG. 6 is an enlarged view of a portion B in FIG. 5, and FIG. 7 is a hoistway side front view conceptually showing a landing where an existing landing door device is mounted.

FIG. 8 is a cross-sectional plan view showing a state in which the gripping device of FIG. 1 faces the updated landing door device of FIG. 4, and FIG. 9 shows the gripping device of FIG. 1 facing the existing landing door device of FIG. FIG. 10 is a view for explaining the mutual relationship of the device arrangement on the horizontal projection plane in the state of FIGS. 8 and 9; FIG. 11 is the device when the holding device of FIG. 1 performs the holding operation in FIG. It is a figure explaining mutual relation of arrangement.

In the figure, 1 is an elevator car, 2
3 is a girder provided on the car 1, 4 is a rail provided on the girder 2, 5 is a cage single sliding door for opening and closing the entrance 2, and a hanger having a trochanter guided by the rail 4. 6
And a low-speed door 9 equipped with a hanger 8 having a trochanter guided by the rail 4.

Reference numeral 10 denotes a renewed car door device, which is a turning arm 13 provided on a driving wheel 12 driven by an electric motor 11, a driving arm 14 having a longitudinal middle pivotally connected to the spar 3, and both ends being turning arms 13 respectively. And a transmission link 15 pivotally connected to the upper end of the drive arm 14, a high-speed link 16 pivotally connected at one end to the lower end of the drive arm 14, and both ends pivotally connected to the lower middle longitudinal portion of the drive arm 14 and the low-speed door 9, respectively. A low-speed link 17 and a gripping device 18 mounted on the high-speed door 7 will be described later in detail.

The gripping device 18 is configured as described below. That is, a seat 19, which has an L-shaped cross section and whose length is arranged in the vertical direction and which is formed on one side of the L-shape and to which the tip of the high-speed link 16 is pivotally attached, is fastened to the high-speed door 7 and the other side has a high-speed A fixed engagement plate 20 protruding from the surface of the door 7 in the hall direction to be described later, a movable engagement plate 21 disposed on the side of the high-speed door 7 on the side of the fixed engagement plate 20, and a movable engagement plate 21 and a fixed engagement plate 20
A hinge 22 for pivotally attaching the movable engagement plate 21 to the movable engagement plate 21; a biasing tool 23 comprising a torsion spring disposed near the hinge 22 to bias the protruding tip of the movable engagement plate 21 toward the fixed engagement plate 20;
A cam rotator 24 pivotally attached to a tip of the high-speed link 16 projecting from a pivot portion is provided.

A cam 25 is provided on the side of the movable engaging plate 21 and is opposed to the cam rotator 24. The cam 25 is fixed to a pivot portion of the high-speed link 16 and is disposed upwardly. An additional cam 27 having a concave portion 26, an additional movable plate 28 formed at a position facing the side of the fixed engagement plate 20 on the side of the door pocket end of the high-speed door 7, and having an L-shape. The bending portion is pivotally supported on the seat plate 19 of the fixed engagement plate 20 by being disposed above the cam 27, and the tip of one side of the L-shape is pivotally attached to the additional movable plate 28, and the additional cam 27 is attached to the tip of the other side of the L-shape.
An upper link 30 on which an operating trochanter 29 facing the recess 26 is pivotally provided.

Further, the gripping device 18 has a high-speed link 16
And one end is pivotally supported by the seat plate 19 of the fixed engagement plate 20, the other end is connected to the lower link 31 pivotally attached to the additional movable plate 28, the one end is connected to the seat plate 19, and the other end is connected to the lower link 31. An urging element 32 formed of a torsion spring that is held and urges the lower link 31 counterclockwise in FIG. 2 is provided on the lower side surface of the lower link 31 when the lower link 31 rotates clockwise. To the additional movable plate 28
Is provided at a predetermined position.

The gripping device 18 is arranged such that its center in the vertical direction is below the upper edge of the entrance 2 by a distance L shown in FIG. Reference numeral 34 denotes an existing car door device, which includes a rotating arm 36 driven by a door machine 35, a driving arm 37 pivotally attached to the middle of the longitudinal direction on the spar 3, and both ends of the rotating arm 36 and the driving arm 37, respectively.
Link 38 pivotally attached to the upper end of the drive arm 14
A high-speed link 39 pivotally attached to the lower end of the lower arm, a low-speed link 40 pivotally attached to both ends of the lower end of the drive arm 37 and the low-speed door 9 at both ends, and a grip mounted on the high-speed door 7 as will be described in detail later. A device 41 is provided.

The gripping device 41 is configured as described below. That is, the front end of the high-speed link 39 is pivotally connected and fastened to the high-speed door 7, the seat plate 42, the fixed wheel 43 pivotally connected to the high-speed door 7 near the door 7 of the seat plate 42, and the high-speed link 39. It is arranged between the fixed wheels 43 and the upper end is the seat plate 4.
2, an operating arm 44 pivotally attached to the movable arm 44, a movable wheel 45 pivotally attached to the operating arm 44 and disposed opposite the fixed wheel 43, one end held at the rotating end of the operating arm 44 and the other end held by the seat plate 42. Working arm 4
A pull spring 46 is provided to urge the motor 4 toward the high-speed link 39.

The gripping device 41 is fixed to the high-speed link 39 and has an operating cam 48 projecting from the distal end and having a recess 47 nearer to the upper side. Cam wheel 49 arranged opposite to 47
Is provided. Reference numeral 50 denotes an unlocking mechanism provided on the door stop side of the existing car door device 34 of the girder 3, and is provided with a cam 51 which is made of an electromagnetic device and moves forward and backward to unlock a locking device of an existing landing door device described later. In the gripping device 41, the center of the fixed wheel 43 and the movable wheel 45 is set such that the center of the
At a position below the distance G shown in FIG.

Reference numeral 52 denotes a number of landings provided on the hoistway on which the car 1 moves up and down, and a landing entrance 53 is provided. 5
4 is a hanger case provided on the upper edge of the landing entrance 53, 55 is a rail provided on the hanger case 54, 5
Reference numeral 6 denotes a landing single-sliding door for opening and closing the landing entrance 53, which is equipped with a high-speed door 58 provided with a hanging hand 57 having a trochanter guided by a rail 55 and a hanging hand 59 provided with a trochanter guided by a rail 55. It is constituted by a low-speed door 60.

Reference numeral 61 denotes a connecting rod fixed to a suspender 59 of a low-speed door 60 with guide wheels 62 pivotally mounted on both ends thereof at the both ends thereof, and 63 denotes an endless guide wheel. A flexible strip 64 wound around and stretched around 62, a lower connector 64 provided on a suspender 57 of the high-speed door 58 and connected to the lower side of the flexible strip 63, and 65 a hanger case 54 The upper connecting tool 66 provided on the upper side of the flexible strip 63 and connected to the upper side of the flexible strip 63 is a hall-side interlocking mechanism composed of the connecting rod 61, the guide wheel 62, and the flexible strip 63 as main members.

Reference numeral 67 denotes a renewed landing door device provided in the landing 52, and the lock device and the engaging mechanism are configured as described below. That is, a lock 68 fixed to the door stop end side of the hanger case 54 and a hook (not shown) which is pivotally attached to the hanging member 57 at the middle of the longitudinal direction and which is locked to the lock 68 at one end are provided. The other end is provided with a lock device 72 constituted by a hook 71 connected to a rotating end of a horizontal side of an L-shaped link described later by a connecting link 69.

Reference numeral 73 denotes an engagement mechanism of the renewal landing door device 67, which is an L-shaped link 74 in which an L-shaped bent portion is pivotally connected to the high-speed door 58, and an upwardly directed L-shaped link 74. Displacement roller 75 and high-speed door 5 pivotally attached to one end of rotation
8 is provided with a stationary roller 76 that is arranged on the door stop side apart from the displacement roller 75. The centers of the displacement roller 75 and the stationary roller 76 are arranged at a position below the upper edge of the landing entrance 53 by a distance L shown in FIG.

Reference numeral 77 denotes an existing landing door device provided in the landing 52 before being updated to the updated landing door device 67, and 78 denotes a lock device fixed to the door stop end of the hanger case 54. A hook piece 80 having one end pivotally attached to the hanging hand 57 of the high-speed door 58 and the other end provided with a hook (not shown) for engaging with the lock 79 and the cam 5 of the existing car door device 34.
A roller 81 pressed by 1 is provided, and is constituted by an unlocking arm 82 for displacing the hooked piece 79 locked to the unlocking position.

Reference numeral 83 denotes an engaging fixing plate provided on the high-speed door 58. The engaging fixing plate 83 is disposed so as to extend vertically and protrude in the direction of the car 1 and is disposed corresponding to the position of the gripping device 41 of the existing car door device 34. Is done. The engagement fixing plate 83 is formed to have a length J shown in FIG. 7, and the center of the length J is disposed at a position below the upper edge of the landing entrance 53 by a distance G shown in FIG. 84
Is an additional fixing plate, which is mounted on the side of the high-speed door 58 of the landing 52 of the engaging fixing plate 83 in an overlapping manner, and is attached to the fixed engaging plate 20 and the additional of the renewed car door device 10 during the later-described repair work of the elevator. The movable plate 28 allows the engagement fixing plate 83
It is grasped together.

In the elevator door device as described above, when the car 1 arrives at the landing 52 before the repair work, the existing car door device 34 and the existing landing door device 7
7 face each other. Then, only the engagement fixing plate 83 is disposed between the fixed wheel 43 and the movable wheel 45 that constitute the gripping device 41 of the existing car door device 34. Further, the cam 51 of the unlocking mechanism 50 of the existing car door device 34 moves forward and presses the roller 81 of the existing landing door device 77. As a result, the hook 79 is displaced to the unlocking position via the unlocking arm 82, and the locking device 78 is unlocked.

The initial operation of the existing car door device 34 to open the door causes the fixing wheel 43 to press the engagement fixing plate 83 in the door opening direction, and the recess of the operating cam 48 due to the horizontal attitude displacement of the high-speed link 39. The cam wheel 49 deviates from 47.
Thereby, the movable wheel 45 is displaced in the direction of the fixed wheel 43 by the rotation of the operating arm 44, and the movable wheel 45 and the fixed wheel 43 grip the engagement fixing plate 83. Thereby, the high-speed door 7 of the existing car door device 34 and the existing landing door device 77
The high speed door 58 is engaged and integrated, and the existing landing door device 77 is driven by the existing car door device 34 to open and close the door.

The opening and closing operation of the door corresponding to the existing car door device 34 is controlled, and the operation of the drive arm 37 causes the high-speed door 7 to open and close via the high-speed link 39. Thus, the low-speed door 9 opens and closes at a half speed with respect to the high-speed door 7 via the low-speed link 40. In addition, the opening / closing operation of the high-speed door 58 of the existing landing door device 77 causes the low-speed door 60 via the landing-side interlocking mechanism 66.
Perform the door opening operation at a half speed with respect to the high speed door 58.

In the elevator door apparatus as described above, repair work is performed as described below.
That is, as a first step, the existing car door device 34 other than the unlocking mechanism 50 is removed from the car 1, the updated car door device 10 such as the drive arm 14 and the gripping device 18 is attached to the car 1, and the additional cam 27 , The additional movable plate 28, the upper link 30, the lower link 31, and the urging element 3 on which the operating trochanter 29 is pivoted.
2. The block 33 is mounted.

Then, as a second stage, a small number of a plurality of landings 52, that is, an existing landing door device 77 of a specific landing 52 is provided.
Is removed, and after that, the work of installing the updated hall door device 67 is performed. At the same time, the additional fixing plate 84 is attached to the engaging fixing plate 83 of the existing landing door device 77 of the remaining landing 52.
Is attached. In addition, when the car 1 faces the hall 52 on which the updated hall door device 77 is mounted, the opening and closing operation control of the door is modified to control corresponding to the updated door device 10.
Next, repair work for updating the hall 52 with the existing hall door device 77 as the updated hall door device 77 is sequentially performed.

Next, after the updated hall door device 77 is mounted on all halls 52, the unlocking mechanism 50 is removed from the car 1 as a third step, and the additional cam 27 and the additional movable plate 2 are removed.
8. Work to remove the upper link 30, the lower link 31, the biasing element 32, the blocking element 33, etc., on which the working trochanter 29 is pivoted, is performed.

In the second stage of the repair work as described above, the landing 52 with the existing landing door device 77 remains as described above. Depending on the function, the landing single sliding door 56
The car is opened and closed together with the basket sliding door 5. That is, the fixed engaging plate 20 and the additional fixed plate 8 of the existing landing door device 77 are fixed by the fixed engaging plate 20 and the additional movable plate 28 of the gripping device 18.
4 is gripped.

The landing 52 on which the updated landing door device 67 is mounted is moved by the movable roller 7 of the updated landing door device 67 by the fixed engagement plate 20 and the movable engagement plate 21 of the gripping device 18.
5 and the stationary roller 76 are gripped. In this way,
Even if the landing 52 of the existing landing door device 77 and the landing 52 of the updated landing door device 67 are mixed in the second stage of the renovation work, the existing landing door device 7 is updated by the updated car door device 10.
7 or the updated hall door device 67 is driven, and the hall single sliding door 56 opens and closes together with the car single sliding door 5 without any trouble.

The gripping device 18 of the updated car door device 10, the engaging mechanism 73 of the updated landing door device 67, the engaging fixed plate 83 and the additional fixing plate 84 of the existing landing door device 77 will be described below on the horizontal projection plane. Are arranged as follows. That is, the surface on the door stop side of the fixing plate 83 for engagement of the existing landing door device 77 is a distance E shown in FIG.
It is arranged at the position. Further, the width F + H shown in FIG. 9 by the engagement fixing plate 83 and the additional fixing plate 84 is set.

When the updated car door device 10 faces the existing landing door device 77 when the car 1 passes through the landing 52, the fixed engagement plate 20 of the gripping device 18 and the fixed plate 83 for engagement are held.
And the additional movable plate 28 and the additional fixed plate 8 of the gripping device 18.
The gaps H shown in FIG.
Further, the fixed engagement plate 20 and the additional movable plate 28 of the gripping device 18 are provided.
Are arranged at an interval F + 3H shown in FIG.

The door stop side surface of the displacement roller 75 of the updated hall door device 67 is connected to the edge of the hall entrance 53 from FIG.
And the displacement roller 75 is set to the diameter F shown in FIG. When the updated car door device 10 faces the updated landing door device 67 when the car 1 passes through the landing 52, the fixed engagement plate 2
8 are formed between the displacement roller 75 of the update hall door device 67 and the movable engagement plate 21 of the gripping device 18 and the stationary roller 76 of the update hall door device 67, respectively.

The fixed engagement plate 20 of the gripping device 18 and the movable engagement plate 21 approaching the fixed engagement plate 20 are arranged at a distance W3 shown in FIG.
8 and the displacement roller 75 of the update hall door device 67, an interval 2H shown in FIG. 10 is formed.

Further, the car 1 stops at the landing 52 and the gripping device 18 of the updated car door device 10 is moved to the existing landing door device 77.
In the state in which the gripping device 18 is engaged with the gripping device 18 as shown in FIG.
By the fixed engagement plate 20 and the additional engagement plate 28, the engagement fixing plate 83 and the additional fixing plate 84 of the existing landing door device 77 are gripped. In a state where the car 1 is stopped at the landing 52 and the updated car door device 10 is engaged with the updated landing door device 67, the space between the fixed engagement plate 20 and the movable engagement plate 21 of the gripping device 18 is shown in FIG. The width of the displacement roller 7 is increased to the width W4.
5 and the stationary roller 76 are gripped.

As described above, even if the existing landing door device 77 and the updated landing door device 67 are mixed in all the landings 52, the landing single door 56 and the single door 5 are provided for all the landings 52. Can be normally opened and closed without any trouble. Then, the operation of the elevator is suspended by a short-time work in a time period during which the use of the elevator is small, such as holidays, nighttime, daytime, and the second stage described above,
That is, the existing landing door device 77 of the small number of landings 52
The periodic work for repairing the landing door device 67 is sequentially performed.

Therefore, it is possible to eliminate the problem that the elevator cannot be used at all during the long-term repair work. Then, even during the renovation work, the elevator can be used depending on the time of day. For this reason, the elevator can be used at least during the working hours during the daytime, or at least in the morning and evening when commuting to work or going to school in an apartment house, so that inconvenience to the user can be reduced.

Also, in the above-described second-stage repair work, the updated car door device 10 is formed by adding the additional cam 27 and the additional engagement plate 28 to the improved holding device 18 of the car door device. Further, the existing landing door device 77 is formed by adding the additional fixing plate 84 to the engaging fixing plate 83 of the existing landing door device. Therefore, the original functions of the improved car door device and the existing landing door device can be maintained as they are. Therefore, a stable and reliable opening and closing action of the car sliding door 5 and the landing sliding door 56 can be easily obtained.

In the embodiment shown in FIGS. 1 to 11, an additional fixing plate 84 is mounted on the engaging fixing plate 83 provided at the existing position of the high-speed door 58 of the existing landing door device 77. Then, the updated car door apparatus 1 is set with the positions of the engagement fixing plate 83 and the additional fixing plate 84 as reference positions.
0 fixed engagement plate 20, movable engagement plate 21, additional movable plate 28
Attach. Thereby, the repair work for the remaining existing landing door device 77 in the second stage of the repair work described above is reduced, and the period during which the elevator operation is stopped can be shortened.

Further, the thickness of the existing landing door device 77 due to the engagement fixing plate 83 and the additional fixing plate 84 is set to be larger than the diameters of the stationary roller 76 and the displacement roller 75 of the updated landing door device 67. As a result, the car 1 moves to the landing 52
, When the updated car door device 10 faces either the existing hall door device 77 or the updated hall door device 67, the fixed engagement plate 20 of the updated car door device 10 and the updated hall door A required gap is formed between the device 67 and the stationary roller 76 or the like.

As a result, the tolerance of the mounting position accuracy of the fixed engagement plate 20, the stationary roller 76 and the like is increased, and the car 1 passes through the landing 52 without any trouble. Therefore, the existing landing door device 77 can be easily repaired, and the updated landing door device 67 can be easily mounted. Therefore, the repair work can be performed efficiently, and the period during which the operation of the elevator is stopped can be shortened.

Embodiment 2 12 and 13 are views showing an example of another embodiment of the present invention. FIG. 12 is a front view of a gripping device of an updated car door device, and is a diagram corresponding to FIG. 2 described above, and FIG. It is a CC sectional view enlarged drawing. Except for FIGS. 12 and 13, the elevator door device is configured in the same manner as in the above-described embodiment of FIGS. 1 to 11.
In the figure, the same reference numerals as those in FIGS.

An upper link 85 has a fixed engagement plate 2 at one end.
The high-speed link 16 is pivotally attached to the seat plate 19 of the high-speed link 16, and the other end is pivotally attached to the additional movable plate 28. Reference numeral 86 denotes a transmission arm, one end of which is fixed to the upper end of the additional movable plate 28, is disposed horizontally, is above the fixed engagement plate 20 and the movable engagement plate 31, and the other end is bent downward in a key shape to be bent. Are disposed in contact with the surface on the door stop side of the high-speed door 7 at the upper end of the movable engagement plate 21.

In the elevator door apparatus configured as described above, the additional movable plate 28 in the embodiment shown in FIGS. 1 to 11 is operated via the transmission arm 86 by the displacement of the movable engagement plate 21. It was made. Then, the fixed engagement plate 20 and the additional movable plate 28 of the gripping device 18
Thereby, the fixing plate 83 and the additional fixing plate 84 of the existing landing door device 77 are gripped. Further, the movable roller 75 and the stationary roller 76 of the updated hall door device 67 are gripped by the fixed engagement plate 20 and the movable engagement plate 21 of the gripping device 18.

Therefore, although detailed description is omitted, FIG.
In the embodiment of FIG. 2 and FIG. 13, the same operation as the embodiment of FIG. 1 to FIG. 11 can be obtained. In the embodiment shown in FIGS. 12 and 13, the additional movable plate 28 is
6, the additional cam 27, the operating trochanter 29
Can be omitted. For this reason, the operation mechanism of the additional movable plate 28 can be simplified, the operation reliability can be improved, and the manufacturing cost can be reduced.

Embodiment 3 14 to 20 also show an example of another embodiment of the present invention. FIG. 14 is a front view conceptually showing a car to which an updated car door device is mounted, and FIG. FIG. 16 is an enlarged view, FIG. 16 is a hoistway side front view conceptually showing a landing where an existing landing door device is mounted, and FIG.
7 is a cross-sectional plan view showing a state in which the gripping device of FIG. 14 faces the updated landing door device, FIG. 18 is a cross-sectional plan view showing a state in which the gripping device of FIG. 14 faces the existing landing door device, and FIG.
FIG. 20 is a diagram for explaining the mutual relationship of the device arrangement on the horizontal projection plane in the state of FIG. 17 and FIG. 18, and FIG. 20 is a diagram for explaining the mutual relationship of the device arrangement when the gripping device of FIG. is there.

In the figure, the same reference numerals as those in FIGS. 1 to 11 denote corresponding parts. Reference numeral 87 denotes an additional holding plate,
The high-speed door 7 is opposed to the side surface on the door stop side of the high-speed door 7, is separated from the movable engagement plate 21, and is fixed to the surface of the high-speed door 7. Reference numeral 88 denotes an additional fixing plate, and the landing 52 of the engaging fixing plate 83
The car door device 1 is installed on the door stop side of the high-speed door 58 in an overlapping manner, and is renewed during the later-described repair work of the elevator.
The movable holding plate 21 and the additional holding plate 87 are held together with the fixing plate 83 for engagement.

The elevator door device having the above-described structure is constructed by fixing the gripping device 18 of the renewed car door device 10 in the embodiment shown in FIGS.
It is configured by the movable engagement plate 21 and the additional holding plate 87. In addition, the existing landing door device 77 is provided with an engagement fixing plate 83 and an additional fixing plate 88.

Then, on the horizontal projection plane, the fixed engaging plate 20, the movable engaging plate 21, the additional holding plate 87 of the holding device 18 of the updated car door device 10, the engaging mechanism 73 of the updated landing door device 67, and the existing landing door device 77. The fixing fixing plate 83 and the additional fixing plate 88 are arranged as described below. That is, the displacement roller 75 of the updated landing door device 67 is disposed at a position of a distance E shown in FIG. 17 from the edge of the landing entrance 53, and the displacement roller 75 and the stationary roller 76 are set to the diameter F shown in FIG. .

When the updated car door device 10 faces the updated landing door device 67 or the existing landing door device 77 when the car 1 passes through the landing 52, the fixed engagement plate 20 and the fixed engagement plate 20 of the gripping device 18 approach. The movable engagement plates 21 thus arranged are arranged at intervals W3 shown in FIG.

17 and 19 are formed between the displacement roller 75 and the fixed engagement plate 20 and between the stationary roller 76 and the movable engagement plate 21 approaching the fixed engagement plate 20, respectively. You. Further, a gap 2 shown in FIG. 19 is provided between the additional holding plate 87 of the holding device 18 and the stationary roller 76.
H is formed, and a gap H shown in FIG. 19 is formed between the additional holding plate 87 and the additional fixing plate 88 of the existing landing door device 77.

Further, the car 1 stops at the landing 52 and the gripping device 18 of the updated car door device 10 is moved to the existing landing door device 77.
In the state of engagement with the gripping device 18 as shown in FIG.
The movable fixing plate 21 and the additional holding plate 87 hold the engaging fixing plate 83 and the additional fixing plate 88 of the existing landing door device 77.

When the car 1 stops at the landing 52 and the renewed car door device 10 is engaged with the renewed landing door device 67, the fixed engagement plate 20 and the movable engagement plate 21
Are widened to a width W4 shown in FIG. 20, and the displacement roller 75 and the stationary roller 76 are gripped.

Therefore, although detailed description is omitted, FIG.
In the embodiments of FIGS. 4 to 20, the same operation as in the embodiment of FIGS. 1 to 11 can be obtained. 14 to 20.
In this embodiment, the additional gripping plate 87 added to the updated car door device 10 is fixed to the high-speed door 7, so that the number of movable members does not increase. Therefore, the mechanism can be simplified, the operation reliability can be improved, and the manufacturing cost can be reduced.

[0058]

As described above, the present invention provides a locking device, an engaging fixing plate, and a locking plate which are provided at a part of a landing of a hoistway and are unlocked by an unlocking mechanism of a car which moves up and down the hoistway. An existing landing door device having an additional fixing plate superimposed on a joint fixing plate, a stationary roller provided at the landing at the other part of the hoistway, and a renewal car for a car which is disposed apart from the stationary roller and moves up and down the hoistway. An updated landing door device having a displacement roller for unlocking the lock device by the door opening initial operation of the door device, and a main part of the updated car door device, the entrance and exit of the car with respect to the fixed engagement plate, usually the fixed engagement plate. The movable engagement plate which is disposed at a position close to the door stop side and is displaced to the isolated position by the initial operation of opening the door, and is usually disposed at the isolated position which is separated from the fixed engagement plate to the door pocket side of the entrance and exit of the car, and the initial stage of opening the door. Fixed by operation An additional movable plate that is displaced to an approach position with respect to the plywood is provided, and when facing the existing landing door device, both the engagement fixed plate and the additional fixed plate are provided between both the fixed engagement plate and the additional movable plate. When both of the fixed engagement plate and the movable engagement plate are disposed and gripped by the above and opposed to the renewal landing door device, both the fixed engagement plate and the movable engagement plate are arranged between the stationary roller and the displacement roller, and the two are engaged by the both. And a holding device for holding a person.

Thus, when the updated car door device faces the existing landing door device, the landing fixing plate and the additional fixing plate are disposed between the fixed engaging plate and the additional movable plate of the car, and perform a gripping operation when necessary. . Further, when the updated car door device faces the updated hall door device, the fixed engagement plate and the movable engagement plate of the car are arranged between the displacement roller and the stationary roller of the hall, and perform the gripping operation when necessary. Therefore, even if the existing landing door device and the renewal landing door device are mixed in all the landings, the landing single-slide doors and car single-slide doors of the respective landings can be normally opened and closed without any trouble. In addition, due to short-time work during periods of low use of the elevator, such as holidays, nighttime, and daytime, the routine operation of suspending the operation of the elevator and renovating the existing landing door devices of a small number of landings to update landing door devices has been carried out. It is performed sequentially.
As a result, it is possible to solve the problem that the elevator cannot be used at all during the long-term repair work, and the elevator can be used depending on the time zone even during the repair work. For this reason, the elevator can be used at least during the working hours during the daytime, or at least in the morning and evening when commuting to work or going to school in an apartment house, which has the effect of reducing inconvenience for the user.

Further, as described above, the present invention provides a lock device, an engagement fixing plate, and an engagement fixing plate which are provided at a part of a landing of a hoistway and are unlocked by a car unlocking mechanism which moves up and down the hoistway. An existing landing door device having an additional fixing plate superimposed on a joint fixing plate, a stationary roller provided at the landing at the other part of the hoistway, and a renewal car for a car which is disposed apart from the stationary roller and moves up and down the hoistway. An updated landing door device having a displacement roller for unlocking the lock device by the door opening initial operation of the door device, and a main part of the updated car door device, the entrance and exit of the car with respect to the fixed engagement plate, usually the fixed engagement plate. A movable engagement plate which is disposed at a position close to the door stop side of the car and is displaced to the isolated position by the initial operation of opening the door, and an additional gripping plate which is disposed at an isolated position separated from the movable engagement plate on the door stop side of the entrance and exit of the car. Provided When facing the existing landing door device, both the engaging fixing plate and the additional fixing plate are arranged between both the movable engaging plate and the additional gripping plate, and both of them are gripped by the both, and the updated landing door device is updated. When both of the fixed engagement plate and the movable engagement plate are opposed to each other, a gripping device is provided between the stationary roller and the displacement roller, and a gripping device for gripping the two is provided.

Thus, when the updated car door device faces the existing landing door device, the landing fixing plate and the additional fixing plate are arranged between the movable engaging plate and the additional gripping plate of the car, and perform the gripping operation when necessary. . Further, when the updated car door device faces the updated hall door device, the fixed engagement plate and the movable engagement plate of the car are arranged between the displacement roller and the stationary roller of the hall, and perform the gripping operation when necessary. Therefore, even if the existing landing door device and the renewal landing door device are mixed in all the landings, the landing single-slide doors and car single-slide doors of the respective landings can be normally opened and closed without any trouble. In addition, due to short-time work during periods of low use of the elevator, such as holidays, nighttime, and daytime, the routine operation of suspending the operation of the elevator and renovating the existing landing door devices of a small number of landings to update landing door devices has been carried out. It is performed sequentially.
As a result, it is possible to solve the problem that the elevator cannot be used at all during the long-term repair work, and the elevator can be used depending on the time zone even during the repair work. For this reason, the elevator can be used at least during the working hours during the daytime, or at least in the morning and evening when commuting to work or going to school in an apartment house, which has the effect of reducing inconvenience to the user.

As described above, in the present invention, the additional fixing plate is mounted on the engaging fixing plate provided at the existing position in the existing landing door device, and the positions of the engaging fixing plate and the additional fixing plate are set to the reference position. And a fixed engagement plate and a movable engagement plate of the updated car door device are arranged.

As a result, the work for repairing the existing landing door device in response to the renewal car door device in the repair work is reduced, and there is an effect of shortening the period of suspension of the elevator operation.

As described above, according to the present invention, the thickness of the fixed plate for engagement of the existing hall door device and the additional fixed plate superimposed on the fixed plate for engagement is determined by the fixed roller of the updated hall door device, It is set to be larger than the diameter of the roller.

Thus, when the car passes through the hall, regardless of whether the updated car door apparatus is facing the existing hall door apparatus or the updated hall door apparatus, the fixed engaging plate of the updated car door apparatus and the movable A required gap is formed between the engaging plate, the additional movable plate, and the additional holding plate, and the stationary roller and the displacement roller of the updated landing door device, and between the engaging fixing plate and the additional fixing plate of the existing landing door device. . For this reason, the tolerance of the mounting position accuracy of the fixed engagement plate, the stationary roller and the like is increased, and the car passes through the landing without any trouble. Therefore, the existing landing door device can be easily repaired, and the updated landing door device can be easily installed, so that the efficiency of the repair work can be improved and the operation stop period of the elevator can be shortened.

[Brief description of the drawings]

FIG. 1 is a diagram showing a first embodiment of the present invention, and is a front view conceptually showing a car to which an updated car door device is mounted.

FIG. 2 is an enlarged view of a portion A in FIG.

FIG. 3 is a diagram corresponding to FIG. 2, showing a grip state of the grip device of FIG. 2;

FIG. 4 is a hoistway side front view conceptually showing a landing where the updated landing door device is mounted.

FIG. 5 is a front view conceptually showing a car to which an existing car door device is mounted.

FIG. 6 is an enlarged view of a portion B in FIG. 5;

FIG. 7 is a hoistway side front view conceptually showing a landing where an existing landing door device is mounted.

8 is a cross-sectional plan view showing a state in which the gripping device of FIG. 1 faces the updated landing door device of FIG. 4;

9 is a cross-sectional plan view showing a state in which the gripping device of FIG. 1 faces the existing landing door device of FIG. 7;

FIG. 10 is a view for explaining the mutual relationship of the arrangement of devices on the horizontal projection plane in the state of FIGS. 8 and 9;

FIG. 11 is a view for explaining a mutual relationship of device arrangement when the gripping device of FIG. 1 performs a gripping operation in FIG.

FIG. 12 is a view showing a second embodiment of the present invention, and is a front view of a gripping device of an updated car door device, and is a diagram corresponding to FIG. 2 described above.

FIG. 13 is an enlarged cross-sectional view taken along line CC of FIG. 12;

FIG. 14 is a view showing the third embodiment of the present invention, and is a front view conceptually showing a car to which the updated car door device is mounted.

FIG. 15 is an enlarged view of a portion D in FIG. 14;

FIG. 16 is a hoistway side front view conceptually showing a landing where an existing landing door device is mounted.

FIG. 17 is a cross-sectional plan view showing a state in which the gripping device of FIG. 14 faces an updated landing door device.

18 is a cross-sectional plan view showing a state where the gripping device of FIG. 14 faces an existing landing door device.

FIG. 19 is a view for explaining the interrelation of the arrangement of devices on the horizontal projection plane in the states of FIGS. 17 and 18;

FIG. 20 is a view for explaining a mutual relationship between device arrangements when the holding device of FIG. 14 performs a holding operation in FIG. 19;

[Explanation of symbols]

1 car, 10 updated car door device, 18 gripping device,
Reference Signs List 20 fixed engaging plate, 21 movable engaging plate, 28 additional movable plate, 41 gripping device, 50 unlocking mechanism, 52 landing, 67
Renewal hall door device, 72 lock device, 77 Existing hall door device, 75 displacement roller, 76 stationary roller, 78 lock device, 83 engaging fixing plate, 84 additional fixing plate, 84 additional fixing plate, 87 additional gripping plate, 88 additional Fixed plate.

Claims (4)

[Claims] 1. A locking device which is provided at a part of a landing of a hoistway and is unlocked by an unlocking mechanism of a car which moves up and down the hoistway, an engaging fixing plate, and an addition overlapped on the engaging fixing plate. An existing landing door device having a fixed plate, a lock device provided at a landing at the other portion of the hoistway, and a lock device which is disposed at a distance from the stationary roller and is opened by the door opening initial operation of the renewed car door device of the car. An updated landing door device having a displacement roller for unlocking, and a main part of the updated car door device, a fixed engagement plate, a position which is always closer to the door stop side of the entrance of the car with respect to the fixed engagement plate. And the movable engagement plate which is displaced to the isolated position by the door opening initial operation and is always disposed at a position away from the fixed engagement plate to the door pocket side of the entrance and exit of the car, and the fixed engagement member is disposed by the door opening initial operation. On plywood An additional movable plate that is displaced to an approaching position with respect to the existing landing door device, when both the fixed engagement plate and the additional fixed plate are located between the fixed engagement plate and the additional movable plate. Is disposed and grips the both by the above, and when facing the updated landing door device, both the fixed engagement plate and the movable engagement plate are disposed between the stationary roller and the displacement roller. An elevator door device comprising: a gripping device that grips the two persons by both. 2. A locking device provided at a part of a landing of a hoistway and unlocked by an unlocking mechanism of a car which moves up and down the hoistway, an engaging fixing plate, and an addition superimposed on the engaging fixing plate. An existing landing door device having a fixed plate, a lock device provided at a landing at the other portion of the hoistway, and a lock device which is disposed at a distance from the stationary roller and is opened by the door opening initial operation of the renewed car door device of the car. An updated landing door device having a displacement roller for unlocking, and a main part of the updated car door device, a fixed engagement plate, a position which is always closer to the door stop side of the entrance of the car with respect to the fixed engagement plate. A movable engagement plate displaced to an isolated position by the door opening initial operation, and an additional gripping plate disposed at an isolated position separated from the movable engagement plate on a door stop side of the entrance and exit of the car. , The existing ride above When facing the field door device, both the engaging fixing plate and the additional fixing plate are disposed between both the movable engaging plate and the additional gripping plate, and both of them are gripped by the both. A door device for an elevator, comprising: a gripping device that holds both the fixed engaging plate and the movable engaging plate between the stationary roller and the displacing roller when they face each other; . 3. An additional fixing plate is attached to an engaging fixing plate provided at an existing position in an existing hall door device, and a fixing clerk of the updated car door device is set using the positions of the engaging fixing plate and the additional fixing plate as reference positions. 3. The elevator door device according to claim 1, wherein a plywood and a movable engagement plate are arranged. 4. The thickness of the engaging fixed plate of the existing landing door device and the additional fixed plate superimposed on the engaging fixed plate is:
The elevator door device according to any one of claims 1 to 3, wherein the diameter of the stationary roller and the displacement roller of the updated hall door device is larger than the diameters.