JPH1059663A - Elevator repair work method - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To allow a door to be normally opened and closed in a state where an old door device and a new door device are mixed in a plurality of landings,
The old door system at the hall will be updated to the new door system. As a result, an elevator renovation method for shortening the continuous downtime of the elevator due to the renovation work and minimizing inconvenience in the continuous use of the building is obtained. SOLUTION: An old door device 13 for unlocking a lock device of a hall 1 facing a car by a projection of a retraction cam mechanism provided on a car of an elevator stopped at a plurality of halls 1 is used in an early stage of door opening of a car door. An operation process for sequentially updating a new door device 3 having an unlocking mechanism for unlocking the lock device of the hall 1 by operation is provided. Then, the detection means 20 which operates by the protrusion of the retraction cam mechanism is temporarily installed in the hall 1 updated with the new door device 3, and the normal operation of the elevator is resumed during the update work process through the operation of the detection means 20.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of repairing an elevator in which old door devices at a plurality of landings of an elevator are sequentially updated with new door devices.

[0002]

2. Description of the Related Art In elevator repair work, an old elevator is often repaired while using a building in which an elevator is installed. In such renovation work, it is required to reduce the continuous suspension period of the elevator in order to reduce inconvenience due to the inability to use the elevator during the renovation work. However, in the repair work of the elevator, the update work of the door device is complicated, and the continuous suspension period of the elevator becomes long. Therefore, the update work described below is performed.

[0003] That is, on a closed day of a building in which an elevator is installed, old door devices of some of a plurality of halls are updated to new door devices, and thereafter, every other closed day of the building, a new door device is used. The old door device is updated sequentially with the new door device. By such a work process, the continuous downtime of the elevator is shortened, and the inconvenience of continuously using the building during the renovation work is reduced as much as possible.

[0004] As an old door device, for example, a retraction cam mechanism is provided which is provided on a car of an elevator, protrudes when necessary and unlocks a lock device of a hall facing the car, and the door is opened after the hall lock device is unlocked. There is a working format. In addition, as a new door device, for example, there is a type in which an unlocking mechanism is provided for unlocking a lock device of a hall facing a car by an initial operation of opening a door of a car door, and the door is opened after unlocking the hall lock device. .

As a conventional method of repairing an elevator, for example, as disclosed in Japanese Utility Model Publication No. Hei 6-47885, the unlocking of the hall lock device is detected by a protruding retraction cam mechanism, and the retraction cam mechanism is detected. Is shut off during standby for door closing. Then, the excitation interruption of the retraction cam mechanism is input to the central processing unit. As a result, a refurbishment method has been implemented which saves energy and suppresses a rise in the temperature of the exciting coil of the retraction cam mechanism while facilitating the work performed using a new control device.

[0006]

In the process of sequentially updating an old door device with a new door device, it is necessary to normally open and close the door in a state where the old door device and the new door device are mixed in a plurality of landings. . However, because the configuration and operation of the old door device and the new door device are different, it is not easy to normally open and close the door with the old door device and the new door device mixed in multiple landings. There is a problem in that ordinary operation of the elevator during the work process of sequentially updating the door device requires a complicated operation.

The present invention has been made in order to solve such a problem, and an elevator which can normally open and close a door with a simple device configuration in a state where an old door device and a new door device are mixed in a plurality of landings. The purpose is to obtain a renovation method.

[0008]

In a method of repairing an elevator according to the present invention, an elevator car that stops at a plurality of landings is protruded when necessary and unlocks a lock device of the landing facing the elevator. The retirement cam is provided with a work process for sequentially updating the old door device having the retirement cam mechanism to a new door device having an unlocking mechanism for unlocking the lock device of the landing facing the car by the initial opening operation of the car door. A detecting means that operates when the mechanism protrudes is temporarily provided in the hall updated with the new door device, and the elevator is normally operated during the work process through the operation of the detecting means.

Further, in the method of repairing an elevator according to the present invention, a detecting means having a contact opened by the protrusion of the retraction cam mechanism is provided.

In the method of repairing an elevator according to the present invention, a new lock contact of a new door device and a contact of a detecting means arranged corresponding to the new door device are connected in series.

In the method of repairing an elevator according to the present invention, the wiring between the detecting means and the control panel installed in the machine room of the elevator is connected to the control panel and the old locking contact of the old door device. The wiring between them is used.

In the method of repairing an elevator according to the present invention, the retraction cam mechanism and the detecting means are removed in the final step of the repair of the elevator, and the new lock contact of the new door device at each landing is connected in series. Thus, a circuit for operating the lock detection relay is formed.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION

Embodiment 1 FIG. 1 to 5 are diagrams illustrating an example of an embodiment of the present invention. FIG. 1 is a front view of a main part of an elevator hall on a hoistway side, and FIG. 2 is a diagram of an elevator hall provided with an old door device described later. FIG. 3 is a main part electric circuit diagram related to the door device of FIG. 1, FIG. 4 is an enlarged sectional view taken along line AA of FIG. 1, and FIG. 5 is a retraction cam mechanism and detection of FIG. It is a figure explaining operation | movement of a means. In the figure, 1
Is a landing constructed by providing an entrance in a hoistway (not shown), and a plurality of hoistways are provided so as to be separated from each other in the up-down direction. Numeral 2 denotes a landing door which comprises a sliding door and opens and closes the entrance of the landing 1 by opening and closing in a horizontal direction.

Reference numeral 3 denotes a new door device, which is a fixed trochanter 4 provided at the landing door 2 and an intermediate portion pivotally connected to one side of a link 5 pivotally connected to the landing door 2 to form The middle part is pivotally connected to a movable trochanter 6 which is arranged at a distance in the horizontal direction, and a mounting bracket 7 provided at the upper edge of the landing door 2 to form a hook at the door stop end side of the landing door 2. The hook piece 8, the strip 9 connecting the anti-movable trochanter 6 side of the link 5 and the hook side of the hook piece 8, provided at the upper edge of the entrance and exit of the landing 1, facing the hook portion of the hook piece 8. An engaging plate provided in a car (not shown) of an elevator that stops opposite to the lock pieces 10 and the landing 1 that are arranged and that is disposed at a position corresponding to a position between the fixed trochanter 4 and the movable trochanter 6. 11 as a main part.

Numeral 12 denotes a new locking contact, which is a movable contact provided at the tip of the hook of the hook 8 and a fixed contact provided at the upper edge of the entrance of the landing 1 and opposed to the movable contact of the hook 8. It is composed of contacts.

Reference numeral 13 denotes an old door device, which is composed mainly of an old lock device and a retraction cam mechanism 14 for unlocking the old lock device which will be described later, which are provided in the car and disposed in the hall 1. The mechanism 14 includes a column 16 mounted on a mounting member 15 of the car, and a four-link mechanism 1 pivotally mounted on the column 16.
7. The electromagnetic actuator 18 connected to one side of the quadruple link mechanism 17 and the cam 1 mounted on the other side of the quadruple link mechanism 17
9.

Reference numeral 131 denotes an old lock device, and an actuator 132 having an intermediate portion pivotally attached to the fixed portion and having one end facing the tip of the hook 8;
An operating shaft 133 pivotally attached to the fixed portion and extending in the door stop direction of the landing door 2; an operating arm 134 with rollers fixed to an end of the operating shaft 133 on the door stop side of the landing door 2; Engage with the end of the shaft 133 near the operator 132 to operate the shaft 133
Is constituted by a transmission mechanism 135 for converting the rotational displacement of the armature into vertical displacement of the end of the opposing actuator 132 and an old locking contact to be described later.

Numeral 20 denotes a detecting means having a contact point 21. The detecting means 20 is provided at the upper edge of the entrance of the hall 1 in association with the new door device 3, and is provided at the door stop end side of the door 2 of the hall.
It is composed of a switch arranged at a position facing the
When an operating arm, which will be described later, is pressed by the retraction cam mechanism 14, the electric operation of the old lock device 131 of the old door device 13 is simulated.

Reference numeral 22 denotes an operating arm with rollers, which is provided on the detecting means 20 and opens the contact 21 of the detecting means 20 when pressed by the retraction cam mechanism 14. Reference numeral 23 denotes a new switch group for repair work, which is constituted by a new lock contact 12 and a contact 21 of the detecting means 20 arranged in series with the new lock contact 12.

Reference numeral 24 denotes an old group of switches by the old door device 13 before the repair work. The old lock contacts 25 to 2 of the old door devices 13 provided at the landing before the repair work, respectively.
7. Reference numeral 28 denotes a lock detection relay that detects the closing of the lock contacts of all landings, and + and − denote a power supply.

Reference numerals 29a and 29c denote wires used for the old lock contacts 25 to 27 of the old lock device 131, and 29b denotes a contact 2
1 is a wiring between the new lock contact 12 and 29 is a final wiring. When the retreat cam mechanism 14 and the detecting means 20 are removed by the final process of the repair work of the elevator, the new lock is used by using the wiring 29c. The connection is changed to the contact 12.

In the method of repairing an elevator having the above configuration, the repair operation is performed by suspending the operation of the elevator on a closed day of a building where the elevator is installed or the like, and a plurality of landings provided on the hoistway are provided. The old door device 13 of one of the landings 1 is removed. Then, the new door device 3 and the detecting means 20 are mounted on the landing 1 as shown in FIG. 1, and in this state, that is, in a state where the old door device 13 and the new door device 3 are mixed in a plurality of landings, the elevator is normally operated. Operation is resumed.

Although not shown, the wiring between the control panel (not shown) installed in the machine room of the elevator and the detecting means 20 is connected to the control panel and the old locking contact 25 of the old door device 13. To 27 are diverted. And
The normal operation of the elevator in this case is performed as described below. That is, in the landing 1 where the renovation work has been performed, when the door 2 of the landing is closed, the hook 8 is locked to the lock piece 10 to close the new lock contact 12 and the retire cam mechanism 14 is closed.
Is located at the retired position as shown in FIG. 4, the detecting means 20 is in a non-pressed state.

Further, since the doors of the landings of the other landings 1 where the repair work is not performed are closed, the old locking contacts 25 to 27 are closed. Thereby, + -12-21-25-
26-27-28--Lock detection relay 2
8 is activated. Thereby, the elevator car is moved up and down through the operation of the lock detection relay 28. When the car stops at the landing 1 where the repair work has been performed, the door opening operation is performed as follows.

That is, the movable trochanter 6 is pressed by the displacement of the engaging plate 11 in the door opening direction due to the initial operation of opening the door of the car door (not shown), so that the link 5 rotates clockwise in FIG. . The operation of the link 5 causes the hook 8 to rotate clockwise in FIG. 1 via the strip 9 to release the engagement with the lock piece 10 and open the new lock contact 12.

Further, when the car stops at the landing 1 where the repair work has been performed, the retire cam mechanism 14 protrudes, and as shown in FIG.
As a result, the detecting means 20 is in the pressed state, and the contact 21 is opened. Then, it is considered that the removed old lock contacts 25 to 27 in the hall 1 where the repair work has been performed are opened through the opening of the contact 21 of the detecting means 20,
A door opening command is issued by the control panel, and the car door is driven to open. Then, the landing door 2 is opened together with the car door by the subsequent car door opening operation.

When the door of the opened car is driven to close, the door 2 of the hall is closed together with the door of the car. Rides on the lock piece 10, moves further in the door closing direction and locks on the lock piece 10. Then, when the hook 8 is locked to the lock piece 10, the new lock contact 12 is closed, and the retraction cam mechanism 14 is retired to close the contact 21 of the detecting means 20. by this,
As described above, the elevator car is moved up and down through the operation of the lock detection relay 28.

When the car stops at the landing 1 before the repair work, the retraction cam mechanism 14 protrudes and the lock of the old lock device 131 of the corresponding old door device 13 is released. That is, the roller of the operation arm 134 is pressed by the retirement cam mechanism 14, and the operation arm 134 is rotated, and the operation shaft 133 is rotated. Then, the operator 132 is displaced to the lock release position via the transmission mechanism 135 by the rotation operation of the operation shaft 133. Due to the displacement of the actuator 132, the hook 8 is moved to the lock 1
Deviates from 0.

As a result, the old locking contact of the old locking device 131 of the old door device 13 is opened. Then, the landing door 2 is opened together with the car door by the old door device 13.
When the door of the car opened by the old door device 13 is driven to close, the landing door 2 is closed and locked together with the car door, and the old lock device 131 of the old door device 13 is closed. The old locking contacts 25 to 27 are closed. As a result, the elevator car is moved up and down through the operation of the lock detection relay 28 as described above.

As described above, the old door device 13 of the landing 1 before the renovation work is sequentially updated to the new door device 3, and the detecting means 20 which operates when the retraction cam mechanism 14 protrudes is added to the new door device 3. A work process for temporarily installing the updated landing 1 is performed. Thus, in a state where the old door device 13 and the new door device 3 are mixed in the plurality of landings 1, the door can be normally opened and closed with a simple device configuration, and the elevator can be easily operated normally during the repair work.

As described above, on a closed day of a building where an elevator is installed, for example, the old door devices 13 of some of the multiple landings 1 are updated to the new door devices 3 and the detecting means 20 is temporarily installed. You. Then, the normal operation of the elevator is restarted in this state. Thereafter, every time the building is closed, a work process of sequentially updating the old door device 13 of the landing 1 in the other part to the new door device 3 and temporarily installing the detecting means 20 is performed.
As a result, it is possible to reduce the continuous suspension period of the elevator, and it is possible to minimize the inconvenience of continuously using the building during the repair work.

In the final step of the elevator repair work, the retraction cam mechanism 14 and the detecting means 20 are removed, and the new locking contact 12 of the new door device 3 of each landing 1 is connected in series to lock. A circuit for operating the detection relay 28 is formed. Then, the detecting means 20 contacts 21
Is removed, and the final wiring 29 using the wiring 29c is replaced with the new lock contact 12. In this way, after completion of the repair work of the elevator, the lock detection relay 2
A circuit for operating the circuit 8 is formed.

[0033]

As described above, the present invention provides an old door having a retraction cam mechanism which is mounted on an elevator car which stops at a plurality of landings, protrudes when necessary, and unlocks a locking device of the landing where the car faces. A work process for sequentially updating the device to a new door device having an unlocking mechanism for unlocking the lock device at the landing facing the car by the initial operation of opening the door of the car is provided, and it operates when the retraction cam mechanism protrudes Even if the renovation work of all the landings is not completed through the operation of the detection means,
The elevator is normally operated after rehabilitation of some landings has been completed.

Thus, in a state where the old door device and the new door device are mixed in a plurality of landings, the door can be normally opened and closed with a simple device configuration, and the elevator can be easily operated normally. Therefore, on a closed day of a building where an elevator is installed, for example, the old door device of some of the plurality of landings is updated to the new door device, and the detecting means is temporarily installed. Then, the normal operation of the elevator is restarted during the work process through the operation of the detecting means.

After that, every time the building is closed, the old door device at the landing in the other part is sequentially updated to the new door device, and the work process of temporarily installing the detecting means is carried out. In addition, it has the effect of minimizing the inconvenience of using the building continuously during the renovation work.

Further, as described above, the present invention is provided with the detecting means having the contact opened by the projection of the retraction cam mechanism. As a result, when the detection means is pressed by the retraction cam mechanism, the electric operation of the lock mechanism of the old door device is simulated. For this reason, it is possible to detect the closure of the lock contacts of all the landings with the old lock contact group of the old door device, and to simplify the operation in a state where the old door device and the new door device are mixed in a plurality of landings. The door can be normally opened and closed by a simple device configuration, and the elevator can be easily operated normally.

Then, by continuously updating the old door devices of some of the landings to the new door devices every time the building is closed, and implementing a work process of temporarily installing the detection means, the continuous suspension period of the elevator can be shortened. In addition, it has the effect of minimizing the inconvenience of using the building continuously during the renovation work. In addition, the old lock contact group of the old door device before the renovation work can be used as it is, so that the renovation work can be simplified and the cost can be reduced.

Further, as described above, the present invention is such that the new locking contact of the new door device and the contact of the detecting means arranged in correspondence with the new door device are connected in series.
As a result, when the detection means is pressed by the retraction cam mechanism, the electric operation of the lock mechanism of the old door device is simulated. For this reason, it is possible to detect the closure of the lock contacts of all the landings with the old lock contact group of the old door device, and to simplify the operation in a state where the old door device and the new door device are mixed in a plurality of landings. The door can be normally opened and closed by a simple device configuration, and the elevator can be easily operated normally.

By continuously updating the old door devices of some of the landings to the new door devices every time the building is closed, and performing a temporary installation process of the detecting means, the continuous suspension period of the elevator can be shortened. In addition, it has the effect of minimizing the inconvenience of using the building continuously during the renovation work. In addition, since the new lock contact of the new door device and the contact of the detection means arranged corresponding to the new door device are connected in series, the old lock contact group of the old door device before repair work is used as it is As a result, the renovation work can be simplified and the cost can be reduced.

Further, as described above, according to the present invention, the wiring between the control means and the old locking contact of the old door device is connected to the wiring between the detecting means and the control panel installed in the machine room of the elevator. Is used. As a result, when the detection means is pressed by the retraction cam mechanism, the electric operation of the lock mechanism of the old door device is simulated. For this reason, the old door of the old door device can be normally opened and closed, and the elevator can be easily operated normally.

By continuously updating the old door devices at some of the landings to the new door devices every time the building is closed, and carrying out a work process of temporarily installing the detecting means, it is possible to shorten the continuous suspension period of the elevator. In addition, it has the effect of minimizing the inconvenience of using the building continuously during the renovation work. In addition, since the wiring between the control panel and the old locking contact of the old door device is used for the wiring between the detection means and the control panel installed in the machine room of the elevator, repair work can be simplified. This has the effect of reducing costs.

Further, as described above, in the present invention, the retraction cam mechanism and the detecting means are removed in the final step of the repair work of the elevator, and the new locking contact of the new door device at each landing is connected in series to form a chain. A circuit for operating the lock detection relay is formed. As a result, when the detection means is pressed by the retraction cam mechanism, the electric operation of the lock mechanism of the old door device is simulated. For this reason, it is possible to detect the closure of the lock contacts of all the landings with the old lock contact group of the old door device, and to simplify the operation in a state where the old door device and the new door device are mixed in a plurality of landings. The door can be normally opened and closed by a simple device configuration, and the elevator can be easily operated normally.

By continuously updating the old door devices of some of the landings to the new door devices every time the building is closed, and carrying out the work process of temporarily installing the detecting means, the continuous suspension period of the elevator can be shortened. In addition, it has the effect of minimizing the inconvenience of using the building continuously during the renovation work. In addition, the retirement cam mechanism and detection means are removed in the final step of elevator repair work, and a new lock contact of the new door device at each landing is connected in series to form a circuit that activates the lock detection relay. This has the effect of simplifying renovation work and reducing costs.

[Brief description of the drawings]

FIG. 1 is a diagram showing a first embodiment of the present invention, and is a front view of a main part of a hoistway side of an elevator hall.

FIG. 2 is a front view of a main part of the elevator hall on the hoistway side, showing a state where the old door device is provided in FIG. 1;

FIG. 3 is an electric circuit diagram of a main part related to the door device of FIG. 1;

FIG. 4 is an enlarged cross-sectional view taken along line AA of FIG. 1;

FIG. 5 is a view for explaining the operation of the retraction cam mechanism and the detecting means of FIG. 4;

[Explanation of symbols]

1 landing, 3 new door device, 12 contacts, 13 old door device, 14 retired cam mechanism, 20 detection means, 21
Contact, 28 lock detection relay.

Claims (5)

[Claims] An elevator car which stops at a plurality of landings, an old door device having a retraction cam mechanism mounted on the cage and protruding when necessary and unlocking a locking device of the landing facing the car, A work process for sequentially updating to a new door device having an unlocking mechanism for unlocking the lock device of the hall facing the car by the initial operation of opening the door of the car is provided, and the operation is performed when the retraction cam mechanism protrudes. A repairing method for an elevator, in which a detecting means for performing the operation is temporarily installed in the hall updated to the new door device, and the elevator is normally operated during the work process through the operation of the detecting means. 2. The method of repairing an elevator according to claim 1, wherein the detecting means has a contact which is opened by the projection of the retraction cam mechanism. 3. A method for repairing an elevator according to claim 1, wherein a new locking contact of the new door device and a contact of a detecting means arranged corresponding to the new door device are connected in series. . 4. A wiring between the control means and the old locking contact of the old door device is used for wiring between the detecting means and the control panel installed in the machine room of the elevator. The method for repairing an elevator according to claim 3. 5. A circuit for operating a lock detection relay by removing the retraction cam mechanism and the detection means in the final step of the repair work of the elevator and connecting the new lock contacts of the new door devices at each landing in series. The method for repairing an elevator according to claim 1, wherein