JPH11278767A - Method of replacing old control device for elevator, and shielding plate for modernization to be used for it - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the degree of freedom in a process of the replacing work while continuing the operation of an elevator even in the case where the work is interrupted between a first stage and a second stage by dividing the work for replacing a control device into two stages of a stage for replacing a landing detecting shielding plate and a stage for replacing other device. SOLUTION: In a first stage, a shielding plate for modernization 400 provided with a shielding plate for attachment 43, which similarly works with the old type shielding plate, is used and exchanged with the old control method type landing shielding plate, and in a second stage, a control board and a landing detecting device are exchanged, and the shielding plate for attachment 43 is removed from the shielding plate for modernization 400 so as to leave the only new shielding plate 41. With this method, the operation based on the old control method of the elevator can be continued after the work of the first stage without causing user inconvenience, and degree of freedom is given to a schedule of the replacing work in comparison with the conventional schedule administration that the all work should be concluded in a time as short as possible.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for replacing an old and new control device for an elevator and a shielding plate for modernization used in the method.

[0002]

2. Description of the Related Art With the improvement of elevator control technology, work for replacing new and old control devices has been actively carried out in order to update the existing elevator control system.

[0003] In the elevator control apparatus of the old control system, at each position of the stop floor of the elevator hoistway, a bracket is fixed to the guide rail 1 as shown in FIG. 4 in order to detect that the elevator has reached each stop floor. An old landing detection shielding plate 4 is attached to a mounting arm 3 fixed at 2 by bolts and nuts 5. As shown in FIG. 5, an old landing detection device 8 used in the old control system is mounted on the mounting base 7 of the car 6. A control panel of the old control system is installed in an elevator machine room on an upper floor (not shown).

Therefore, conventionally, when such an elevator control device of the old control system is replaced with an elevator control device of the new control system, the landing detection timing in the existing control system and the landing detection in the new control system are detected. Because the timing is different, the elevator cannot be operated unless the control panel, landing detection device, and shielding plate are all exchanged, so that the elevator operation is completely stopped, and the elevator The landing detection shield plate 4 at the stop floor position is replaced with a new landing detection shield plate 40 corresponding to the new control system as shown in FIG.
As shown in FIG. 3, together with the mounting table 7, the new control type landing detection device 80 and the mounting table 70 are exchanged, and further, the old control type control panel in the elevator machine room is exchanged with the new control type control panel. Was doing.

[0005]

As described above, in the conventional method of replacing the old and new control systems of the elevator, the old control system of the landing detection shield plate, the landing detection device and the control panel are all of the new control system. The elevator operation must be stopped until it is replaced, and especially the landing detection shield plate installed on the elevator hoistway side needs to be replaced and adjusted for each stop floor. There is a problem that it is necessary to stop the elevator and inconvenience the user.

SUMMARY OF THE INVENTION The present invention has been made in view of such a conventional problem, and the replacement work of the elevator control system is based on the first replacement of only the landing detection shielding plate of the elevator hoistway.
Step work and exchange of control panel and landing detection device
Even if the replacement work has not been completed, the operation between the first and second stages can be performed using the old control method, and the elevator can be operated using the old control method. An object of the present invention is to provide a method for replacing an old and new control device of an elevator which can have a degree of freedom and a shielding plate for modernization used for the method.

[0007]

According to a first aspect of the present invention, there is provided a method for replacing an old and new elevator control device, wherein an old shielding plate for landing control adopted in an old control system is moved from a mounting arm at a predetermined position on a guide rail. Removal, a shield for modernization, which is detachably mounted on a new shield for landing control, in which a shield for attachment manufactured by imitating the shield for landing control is adopted in a new control system. Attach it to the mounting arm and use it for temporary use of the elevator with the old control method during the replacement work period, then replace the old control panel with the new control panel, and detect the new landing detection device attached to the car The apparatus is replaced with a new one, and only the attachment shielding plate is removed from the modernization shielding plate to provide a new control type elevator control.

The modernization shielding plate according to the second aspect of the present invention is removably imitated to the old shielding plate for landing detection so as to be detachable from the new shielding plate for landing detection employed in the new control method. A shield plate for attachment is attached.

According to the second aspect of the present invention, in the method of replacing an old and new elevator control device according to the first aspect of the present invention, an arm for attaching the old landing detection shielding plate used in the old control system is provided. By removing the shielding plate for modernization of the present invention on the same mounting arm instead of using it, the attachment shielding plate detachably attached to this is used as the old shielding plate for landing detection of the old control system. The elevator operation of the old control system can be continued thereafter.

Therefore, as long as the work of replacing the old shield plate with the modernization shield plate is completed, the elevator can be replaced as necessary until the new and old replacement work between the control panel and the car landing detection device is started. The operation can be continuously performed by the old control method, and the degree of freedom in parts procurement, personnel arrangement, and process management can be given only during this period.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 shows a state in which a modernization shielding plate 400 of the present invention is attached to a guide rail 1, and FIG. 2 shows an exploded state. The modernization shielding plate 400 of this embodiment includes a new landing detection shielding plate 41 corresponding to the new control system, and an attachment shielding plate 43 detachably attached thereto by auxiliary bolts and nuts 42. Have been.

The attachment shield plate 43 performs the landing detection operation of the old control system similarly to the conventional landing detection old shield plate 4 shown in FIG.
A notch 44 is formed so that only the attachment shielding plate 43 can be removed by loosening the auxiliary bolt / nut 42 even in a state where the modernization shielding plate 400 is fixed with the fixing bolts / nuts 5,
The fixing bolts and nuts 5 are prevented from being tightened.

Next, a description will be given of a method of replacing the old and new elevator control devices of the present invention using the modernization shielding plate 400 having the above configuration.

<First Stage> As shown in FIG. 4, for operation in the old control system, the bracket is fixed to the guide rail 1 of the elevator hoistway with the mounting bracket 2 corresponding to each position of the elevator landing floor. Since the old shield plate 4 for landing detection is attached to the mounting arm 3 which is attached, the bolts and nuts 5 for fixing are loosened and all the old shield plates 4 are removed, and as shown in FIG. 1, the shield plate for modernization is used. Replace with 400. When replacing the landing shield on this floor, the replacement work is performed while adjusting the attachment shield 43 so as to be exactly at the position corresponding to the old shield 4.

In the state where the first step of replacing the shield plate has been completed, the car 6 is still equipped with the old control type landing detection device 7 shown in FIG. 5, and an elevator machine room (not shown) Is also of the old control type, so that the operation of the elevator can be resumed by the old control type until the second-stage replacement work described later starts. Therefore, even if it is necessary to suspend the work for some reason (for example, the work may be suspended until the next holiday, or it may take a long time to secure the work personnel), the old control is required during the suspension period. The elevator operation can be continued in the same manner.

<Second Stage> In the second stage, the old control panel installed in the elevator machine room is replaced with a new control type control panel. Then, as shown in FIG. 2, in the elevator hoistway, with respect to all the modernization shielding plates 400 installed at each stop floor, the auxiliary bolts and nuts 42 are loosened and the attachment shielding plate 43 is removed, and new control is performed. Only the new shielding plate 41 corresponding to the method is left.
At this time, it is not necessary to move the mounting arm 3 with respect to the guide rail 1.

Also, the old control type landing detection device 7 as shown in FIG. 5 is detached from the car 6 together with the mounting base 8 and FIG.
As shown in the figure, the landing control device 70 of the new control system is mounted on the car 6 by the mounting base 80. At this time, the mounting position of the new shielding plate 41 does not need to be adjusted, and the mounting position is adjusted only on the landing detection device 70 side.

As described above, the replacement work of the elevator control device having different old and new control systems is completed in two stages. In this replacement work, as described above, the modernization shielding plate 400 to which the attachment shielding plate 43 having the same function as the old shielding plate is attached is adopted, and the old control type landing shielding plate 4 is used. Since the replacement work is in the first stage, after the work in the first stage, the operation according to the old control system of the elevator can be continued without causing any inconvenience to the user. Can be given a degree of freedom in the exchange work schedule with respect to the conventional schedule management in which the work must be completed.

In the above-described embodiment, auxiliary bolts and nuts are used as mounting means for attaching and detaching the attachment shielding plate 43 to the new shielding plate 41 in the modernization shielding plate 400. However, the present invention is not limited to this. There is no problem, and a wing nut can be used, or a nail hook system can be used.

[0020]

As described above, according to the method of replacing the old and new control devices of the elevator according to the first aspect of the present invention, the work of replacing the old and new control devices is divided into two stages. Use the modernization shield plate with the attachment shield plate attached to it, and replace it with the old control type landing shield plate.After this first stage work, the elevator will be replaced with the old control type. Replacement work with conventional schedule management, in which all operations must be completed in the shortest possible time without any inconvenience to the user even if the operation can be continued and the work is interrupted afterwards Can be given a degree of freedom.

According to the shielding plate for modernization of the second aspect of the present invention, the old shielding plate for landing detection used in the old control system is detached from the mounting arm, and the same shielding plate for modernization of the present invention is mounted instead. By attaching to the arm, the attachment shield plate that is detachably attached to the arm can be used as the old shield plate for detecting the landing of the old control system, and the elevator operation of the old control system can be continued thereafter. And claim 1
It is possible to realize the replacement work of the new and old elevator control devices divided into two stages according to the invention of the present invention.

[Brief description of the drawings]

FIG. 1 is a perspective view of an attached state of a modernization shielding plate adopted in a method of replacing a new and old elevator control device of the present invention.

FIG. 2 is an exploded perspective view showing a state in which the attachment shielding plate has been removed from the modernization shielding plate.

FIG. 3 is a front view showing a state where the landing control device of the new control system is attached to the car in the method of replacing the old and new control devices of the elevator.

FIG. 4 is a perspective view showing a state in which a conventional landing detection old shielding plate is attached.

FIG. 5 is a front view of a mounting state of a conventional landing detection device.

FIG. 6 is an explanatory view showing a conventional work for replacing a landing detection shielding plate.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Guide rail 2 Mounting bracket 3 Mounting arm 41 New shielding plate 42 Auxiliary bolt / nut 43 Attachment shielding plate 400 Modernization shielding plate 5 Fixing bolt / nut 6 Basket 70 Landing detection device 80 Mounting base

Claims (2)

[Claims] 1. An attachment shielding plate manufactured by imitating the landing control shield plate by removing an old landing control shield plate used in the old control system from a mounting arm at a predetermined position of a guide rail. For the temporary use of the elevator with the old control system during the replacement work period, the modernization shield plate detachably mounted on the new landing control shield plate adopted in the new control system is attached to the mounting arm. After that, replace the old control panel with the new control panel, replace the old landing detection device attached to the car with the new landing detection device, and remove only the attachment shield plate from the modernization shield plate. A method for exchanging an old and new control device for an elevator, wherein the new control method is used for elevator control of a new control method. 2. A modernization system in which an attachment shielding plate imitated to an old landing detection shield plate is detachably attached to a new landing detection shield plate adopted in a new control system. Shield plate.