JP2000159452A - Controller for elevator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To execute the maintenance checking with high workability by covering an opening of a housing storing a control equipment by a covering body screwed on a housing and the openable and closeable door locked on this covering body or housing. SOLUTION: A control panel 12 is mounted on a side surface 2 on the front left side of a hoistway 1, and an opening of a housing storing a control equipment is covered with a cover 14 as a covering body. This cover 14 is fixed on the housing with a screw 14a. A small window 15 is formed on a part where the control equipment necessary for the maintenance checking is mounted, by cutting a part of the cover 14. The doors 16 covering this small window 15 are locked on the housing by the hinges 16a and can be opened and closed left and right, that is, the doors have the structure of double doors, so that they do not interfere with a car 4 even in an opened state. By applying this structure, the maintenance checking can be executed only by opening and closing the doors 16, whereby the working can be easily executed, and the safety can be kept because the doors do not interfere with the car 4 even when they are opened and closed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator control device, and more particularly to a control panel installed in a hoistway.

[0002]

2. Description of the Related Art Usually, a control device (a control device has a broad concept including a control panel for controlling the elevation of a car, and a control panel as a main part thereof will be described below as a representative thereof), in particular, control. The board is housed in a machine room provided at the top of the hoistway together with the hoist. However, when the machine room is installed on the top, the roof of the machine room part protrudes one step, and there is a dislike of damaging the appearance of the whole building. From the standpoint of improvement of the space and space saving, etc., a hoisting machine, a control panel, and the like are installed in the hoistway to omit the machine room at the top of the hoistway. As a conventional example of the control device installed in the hoistway, there is one described in Japanese Patent Application Laid-Open No. 59-163270. FIG. 10 shows a control panel similar to the control panel described in the above-mentioned patent publication. That is, the control panel 12 covers the entire surface of the opening 13a of the box 13 in which the control device is housed, with the cover 31 integrally formed and one side pivotally attached to the box 13, and is closed by the lock 31a when the door is closed. Fixed. In FIG. 11, the control panel 12 is covered over the entire surface of the opening 13a of the box 13 with a cover 32 formed integrally therewith.
Is screwed on.

[0003]

Since the conventional elevator control device is configured as described above, in the device shown in FIG. 10, when the cover 31 is opened, it protrudes greatly into the hoistway, and May interfere. For this reason,
Normally, a start prevention switch (not shown) interlocked with the cover 31 is provided so as not to move the car 4 when the cover 31 is open. However, in practice basket 4
However, there is a problem that, although there is a case where it is desired to perform maintenance and inspection while checking the operation and to check the display in the control panel 12, such a work cannot be performed and the maintenance and inspection work is restricted. In addition, in the apparatus shown in FIG. 11, since the cover is attached and detached by screws, there is a problem that it takes time for maintenance and inspection. In addition, since the cover is formed integrally, the cover may be heavy and the workability of maintenance and inspection is poor. Further, since the inside of the hoistway is narrow, the mounting position of the control panel is limited. For this reason, for example, there is a problem that the screw on the upper part of the control panel needs to be attached and detached in an unnatural posture.

SUMMARY OF THE INVENTION The present invention has been made to solve such a problem, and an object of the present invention is to provide an elevator control device in which maintenance work is easy.

[0005]

An elevator control device according to the present invention is installed in a hoistway,
The opening of the box in which the control device is stored is covered by a lid screwed to the box and a door that can be opened and closed by being locked by the lid or the box.

The elevator control apparatus according to the present application has a self-closing door. Furthermore, the elevator control device according to this application is installed at a position where the door is located above or below a region where the car can be raised and lowered at the upper or lower part of the hoistway.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 1 and 2
Embodiment 1 Embodiment 1 of the present invention will be described. In the figure, 1 is a hoistway, 2 is a side wall of the hoistway 1, 3 is a pit of the hoistway 1, 3a
Is a pit floor, 3b is a car buffer, 4 is a car, 4a is a car door, 4b and 4c are pulleys provided on both lower sides of the car 4, 5 is one end of which is locked by a cleat 6, and a sheave 4b and 4
c, the main rope hanging the car 4 and further hanging around a sheave 7 attached to the ceiling of the hoistway 1, hanging down, being wound around a hoisting machine 8, standing up, 1
Is wound around a sheave 9 attached to the ceiling of the vehicle, hangs down again and wraps around a pulley 10a to suspend a counterweight 10, and the other end is attached to a sheave 11 attached to the ceiling of the hoistway 1. Locked. Reference numeral 12 denotes a control panel attached to the front left side wall 2 of the hoistway 1, reference numeral 13 denotes a box housing control devices, reference numeral 14 denotes a cover which covers an opening of the box 13, and reference numeral 14a denotes this cover 14. Is a small window in which a part of the cover 14 is cut off.
It is formed at the site where the control equipment required for maintenance and inspection is installed. Reference numeral 16 denotes a door that covers the small window 15 and has a so-called double-door structure which is locked to the box 13 by the hinge 16a and opens and closes left and right, and does not interfere with the car 4 even in the open state. F1D to F3D are on the first floor
It is a landing door on the third floor.

According to the first embodiment, the maintenance and inspection need only be performed by opening and closing the door 16, so that the operation becomes easier as compared with the case where the entire cover 14 is removed, and even if the door 16 is kept open, It is safe because it does not interfere with the car 4.

Embodiment 2 FIG. 3 shows the second embodiment. 1 and 2 denote the same parts, and a description thereof will be omitted. Reference numeral 17 denotes a door which is pivotally attached to the cover 14 on one side and freely opens and closes the small window 15 when closed.
It is fixed by the lock 17a. Also in the second embodiment, as in the first embodiment, maintenance and inspection can be performed by opening and closing the small window 15 without removing the entire cover 14, thereby facilitating the work.

Embodiment 3 FIG. 4 shows a third embodiment, in which 14b is a pair of slits formed vertically on the cover 14, and 18 is a pin-shaped locking member 18a which is immersed in the slit 14b and is attached to the cover 14 so as to be vertically movable. It is a door. Even in this case, the cover 18 can be closed as it is by raising the door 18 to open the small window 15 and lowering it. Moreover, since the door 18 is closed by its own weight, the door 18 is not forgotten to be closed. In addition, the door moves up and down,
No interference with the car 4 can occur because it does not project.

Embodiment 4 FIG. 5 shows a fourth embodiment, in which 19 is a door pivotally attached to a cover 14 on the upper side, which rotates vertically to open and close the small window 15, and locks 1 when the door is closed.
Fixed at 9a. Even in this case, the door 19
The maintenance and inspection can be performed only by opening and closing the door, and it is closed by its own weight, so it will not be forgotten to close it.

Embodiment 5 FIG. 6 shows a fifth embodiment, wherein a cover 20 covering the opening of the box 13 covers the top and is screwed to the box 13 with screws 21a, and is separated from the upper cover 21 by a predetermined distance. The intermediate portion is screwed to the box body 13 with a cover screw 22a at the intermediate portion, and the lower portion of the intermediate cover 22 is separated from the intermediate portion cover 22 by a predetermined distance.
The lower cover 23 is screwed to the box 13 at 3a.
The small windows of the upper cover 21 and the intermediate cover 22 are covered by an upper door 24 pivotally connected to the upper cover 21 by a hinge 24a, and are fixed to the intermediate cover 22 by a lock 24b in a closed state. The small windows of the intermediate cover 22 and the lower cover 23 are covered by a lower door 25 hinged to the intermediate cover 22.
Is fixed to the lower cover 23. In this case as well, maintenance and inspection can be similarly performed only by opening and closing the upper door 24 or the lower door 25, and further, maintenance and inspection can be performed widely in the control panel 12 at two locations. In addition, it is closed by its own weight, so you never forget to close it.

Embodiment 6 FIG. This embodiment relates to the mounting position of the control panel 12 as shown in FIG. 7, and the left side of the side wall 2 of the hoistway 1 so that the control panel 12 does not interfere with the landing door FD on the front wall FW. It is attached to the side wall 2 side. Even in this case, maintenance and inspection can be performed only by opening and closing the door 17, and work becomes easy.

Embodiment 7 In FIG. 8, a door pocket FDB of a landing door FD constituting the front side of the hoistway 1 is formed of a steel plate, and the control panel 12 is housed in a concave portion of the door pocket FDB. Even in this case, similarly, maintenance and inspection can be performed only by opening and closing the door 17 and the control panel 12 is stored in the recess, so that interference with the car 4 can be easily avoided.

Embodiment 8 In the first to seventh embodiments, for example, in the first embodiment, the control panel 12 installed in the hoistway 1 generally has a door covering the small window 15 of the cover 14 in order to avoid interference with the car 4. A start prevention switch (not shown) interlocked with the door is provided so as not to move the car 4 in the open state. However, in practice, maintenance and inspection while driving car 4
There is a case where it is desired to confirm the display in the control panel 12. The eighth embodiment has been made in consideration of such a case. FIG. 9 shows an eighth embodiment. In the figure, the same reference numerals as those in FIGS. 1 and 2 denote the same parts, and a description thereof will be omitted. Control panel 12
Is covered at its lower part with a door 26 and is opened during maintenance and inspection. The car 4 does not interfere with the door 26 even if the car 4 has passed the lowest floor F1 and has descended to the lower limit position L where the car 4 has compressed the car buffer 3b. Therefore, maintenance and inspection can be performed while the car 4 is operated by connecting the measuring device or the operating device 27 to the control panel 12. The same applies to a case where the control panel 12 is mounted at a position where the door 26 does not interfere with the car 4 at the uppermost part of the hoistway 1.

[0016]

As described above, the elevator control apparatus according to the present application is installed in a hoistway, and the opening of the box housing the control equipment is screwed into the box. Cover and a door that is locked to the lid or the box and that can be opened and closed. For this reason,
Maintenance inspection can be performed by opening and closing the door, which has an effect that workability is good.

In addition, the elevator control apparatus according to the present application has an effect that the door is self-closing, so that the door is not forgotten to be closed after maintenance and inspection, and the original state can be easily restored.

Further, the elevator control device according to the present application is installed at a position where a door is located above or below a region where a car is raised or lowered at an upper portion or a lower portion of a hoistway. Therefore, there is an effect that maintenance and inspection can be performed while the car is operated by connecting the measuring device or the operating device to the control panel.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of a hoistway showing a first embodiment of the present invention.

FIG. 2 is a cross-sectional view of the hoistway showing the first embodiment of the present invention.

FIG. 3 is a perspective view of a control panel according to Embodiment 2 of the present invention.

FIG. 4 is a perspective view of a control panel according to a third embodiment of the present invention.

FIG. 5 is a perspective view of a control panel according to a fourth embodiment of the present invention.

FIG. 6 is a perspective view of a control panel according to Embodiment 5 of the present invention.

FIG. 7 is a transverse sectional view of a hoistway showing Embodiment 6 of the present invention.

FIG. 8 is a transverse sectional view of a hoistway showing a seventh embodiment of the present invention.

FIG. 9 is a vertical sectional view of a hoistway showing Embodiment 6 of the present invention.

FIG. 10 is a perspective view showing a conventional elevator control device.

FIG. 11 is a perspective view showing a conventional elevator control device.

[Explanation of symbols]

1 hoistway, 2 side walls, 3 pits, 4 cars,
5 main measures, 8 hoisting machines, 10 counterweights,
12 control panel, 13 box, 14 cover, 14
a screw, 14b slit, 15 small window, 16
Door, 17 door, 18 door, 19 door, 20 cover, 21 upper cover, 21a screw, 22 intermediate part cover, 22a screw, 23 lower cover,
23a screw, 24 top door, 25 board door.

Continued on the front page (72) Inventor Takehiko Kubota 2-3-2 Marunouchi, Chiyoda-ku, Tokyo F-term (reference) in Mitsubishi Electric Corporation 3F002 GA00 GB02 3F304 BA01 BA02

Claims (3)

[Claims] An elevator control device installed in a hoistway on which a car moves up and down to control the raising and lowering of the car, wherein an opening of a box housing a control device is screwed onto the box. A control device for an elevator, which is covered with a body and a door which can be opened and closed by being locked to the lid or the box. 2. The elevator control device according to claim 1, wherein the door is a self-closing type. 3. The elevator control device according to claim 1, wherein the door is installed at a position above or below a region where the car can be raised and lowered at an upper portion or a lower portion of the hoistway.