JP2001080834A - Elevator device and inspection and maintenance method of elevator control device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an elevator device allowing easy and safe maintenance and inspection work of an elevator control device without need for submergence measures. SOLUTION: An elevator device 10 has supporting members 6, 7 fixed to a wall 2 of an elevation passage 1 and an elevator control device 4 supported in the elevation passage 1 by the supporting members 6, 7 not to interfere with a passenger box 3 elevated vertically in the hoistway 1. The elevator control device 4 is arranged to match a specified landing floor 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator apparatus in consideration of space saving and effective use of a hoistway, and a maintenance and inspection method for an elevator control apparatus therefor.

[0002]

2. Description of the Related Art Conventionally, many proposals have been made for elevator devices that do not require a machine room. Above all, the method of installing the elevator control device at the bottom of the hoistway, when the drive motor is installed in the pit section,
It is known to be an effective means on the route of electric wires.

Further, Japanese Patent Publication No. Hei 7-37308 (Patent No. 2)
No. 008783) discloses a method of dividing an elevator control device into a main control panel and an auxiliary control panel in consideration of maintenance and inspection work of the elevator device, and dividing and arranging the elevator control device in a pit or near a landing on the lowest floor. I have.

Further, Japanese Patent Application Laid-Open No. 10-231074 discloses a method of providing an inspection port in a car and performing maintenance and inspection of equipment installed in the hoistway from the car.

Japanese Patent Application Laid-Open No. H11-11811 discloses a method of automatically moving a car to an installation position of a device in order to perform maintenance and inspection of a plurality of devices installed in a hoistway from within the car. I have.

Here, a mode of installing an elevator control device in the hoistway of the lowest floor disclosed in the above-mentioned Japanese Patent Publication No. 7-37308 will be described with reference to FIG. FIG.
As shown in the figure, the auxiliary control panel 54a of the elevator control device
Is provided in a pit 67 in the hoistway 51 on the lowest floor. In FIG. 6, 53 is a car, 55a is an opening / closing door, 54 is a main control panel, and 68 is an inspection door.

[0007]

However, in the embodiment described in Japanese Patent Publication No. 7-37308, it is necessary to take a waterproof measure when the pit 67 is flooded due to rainfall or the like.
It is dangerous to raise and lower the car 53 located above the pit 67 during maintenance work. Furthermore, in the event of a power outage or malfunction of the elevator control device, a remote brake control function must be provided near the landing,
There is a problem in that the car cannot be raised and lowered, and the worker cannot move in the hoistway.

The present invention has been made in view of the above points, and requires no countermeasures against flooding, and can easily and safely perform maintenance and inspection work of an elevator control device, and an elevator control device therefor. The purpose of the present invention is to provide a maintenance inspection method.

[0009]

SUMMARY OF THE INVENTION According to the present invention, a support member fixed to a wall of a hoistway is provided in the hoistway by the support member so as not to interfere with a rider who moves up and down the hoistway. And a supported elevator control device, wherein the elevator control device is arranged in accordance with a landing floor of a specific floor.

Further, according to the present invention, an elevator control system is characterized in that the car is stopped so that the upper surface thereof is aligned with the landing floor of the specific floor, and an operator rides on the upper surface of the car for maintenance and inspection. This is the inspection method.

Alternatively, the present invention is characterized in that the car is stopped at the specific floor, and a worker who is in the car opens an opening provided in the car to perform maintenance and inspection. This is how to check the device.

According to the present invention, since the elevator control device is arranged in accordance with the landing floor of the specific floor located at the middle or upper part of the hoistway, there is no need to take countermeasures against flooding. Also, since the worker does not need to raise and lower the car after riding on the upper surface of the car or inside the car for maintenance and inspection of the elevator control device, etc.
The work such as maintenance and inspection is safe, and there is no danger that the worker cannot move in the hoistway.

[0013]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a schematic structural view showing an elevator apparatus according to a first embodiment of the present invention. As shown in FIG. 1, an elevator apparatus 10 according to a first embodiment of the present invention
Has support members 6 and 7 fixed to the wall 2 of the hoistway 1. The support members 6 and 7 support the elevator control device 4 in the hoistway 1 so as not to interfere with the car 3 moving up and down in the hoistway 1.

The elevator control device 4 according to the present embodiment comprises:
The lower end is fitted to the landing floor of the specific floor, for example, the landing floor 5 of the top floor. The floor is the hoistway 1
2 shows the floor on the landing side of each floor where passengers get on and off. Each landing floor 5 is provided with a landing door 5a.

In the hoistway 1, a car 3 and a counterweight are suspended from a rope wound around a hoist.

The density of the wall 2 of the hoistway 1 differs depending on the structure of the building in which the elevator device 10 is provided, for example, an RC structure or a steel structure.

The car 3 normally moves up and down the hoistway 1 with passengers on it, but is used as a foothold for workers (maintenance personnel) at the time of maintenance and inspection such as failure and adjustment of the elevator control device 4.

The elevator control device 4 has a thin shape along the wall portion 2 and is installed in the car 3 without hindering the elevating and lowering thereof and maintaining a necessary safe distance in the horizontal direction. Further, the elevator control device 4 has a front cover 4b that opens inside the hoistway 1, and opening and closing of the front cover 4b enables inspection work and maintenance work of the elevator control device 4.

A landing door 5 installed on each landing floor 5
a is a door for the elevator apparatus 10 to get on and off the car 3.

The support members 6, 7 are fixed to the wall 2 in the hoistway 1, and support the elevator control device 4 so as to sandwich it from above and below. Thereby, the elevator control device 4
Is supported, and its fall is prevented. The support members 6 and 7 are fixed to the wall 2 using anchor bolts 8 as shown in FIG.

Next, the operation of the present embodiment having such a configuration will be described.

When the elevator control device 4 is to be inspected, the car 3 is first moved up and down, positioned so that the upper surface thereof matches the floor level of the uppermost floor, and stopped (inspection mode). The positioning of the car 3 can be performed by various known methods using various position sensors and the like.

Subsequently, the landing door 5a on the top floor is opened.
The worker gets on the upper surface of the stopped car 3 from the landing door 5a on the top floor. And the worker is in car 3
Then, the front cover 4b of the elevator control device 4 installed with the lower end thereof being aligned with the landing floor 5 of the top floor is opened, and the elevator control device 4 is inspected.

When a worker enters the hoistway 1 and performs work, the work is performed with the door 5a opened. Therefore, since the lighting of the landing illuminates the car 3 in the hoistway 1, the car can be safely moved on the car 3 and the possibility that the worker cannot move in the hoistway 1 is completely avoided. . That is, even if an accident or a deterioration of the health condition occurs unexpectedly for the worker, the possibility that the discovery is delayed can be minimized. However, it is preferable to provide a display, a fence, and the like so that ordinary passengers do not enter the hoistway 1.

Further, while the worker is in the hoistway 1, the car 3 does not move up and down at all, so that the work is extremely safe. In addition, it is basically not affected by power outages. That is, it is possible to avoid the risk that the car 3 stops when the worker moves using the car 3.

Further, since the lower end of the elevator control device 4 is adjusted to the top floor of the landing floor, no countermeasures against flooding are required at all.

As described above, according to the present embodiment, it is not necessary to raise and lower the car 3 when the worker gets on the car 3 for checking the elevator control device 4 or the like. Therefore, the danger of an accident due to the movement of the car 3 can be completely eliminated.

Further, by leaving the landing door 5a open during the inspection, it is possible to work safely, and even if any accident or deterioration of the health condition occurs unexpectedly for the worker, it is found early. It becomes possible.

In this embodiment, no flood countermeasures are required.

Further, in the present embodiment, since the support members 6 and 7 are fixed to the wall 2 using the anchor bolts 8,
The positioning of the elevator control device 4 can be performed easily and with high accuracy.

The landing floor at which the setting position of the elevator control device 4 is matched is not limited to the top floor, but may be any floor of the building where the elevator device 10 is provided. However, it is not preferable to install it on the lower floor because it is necessary to take countermeasures against flooding in some cases. If the height of the elevator control device 4 is small, it is not always necessary to adjust the lower end of the elevator control device 4 to the floor level of the landing. Is also good. In this case, it is possible to reduce the work in which the worker is crouched. The elevator control device 4 may be located within the range of the opening height of the landing.

Next, an elevator apparatus according to a second embodiment of the present invention will be described with reference to FIG. FIG. 3 is an enlarged schematic view showing the support members 6 and 7 of the elevator apparatus according to the second embodiment.

As shown in FIG. 3, in the elevator apparatus 10 of the present embodiment, an H steel 9 as a beam passed to the floor level of the floor is laid on the wall 2 of the hoistway 1. Except that a part of the support member 6 is fixed to the H steel 9, the configuration is substantially the same as that of the elevator apparatus of the first embodiment shown in FIGS. In the second embodiment, the same parts as those in the first embodiment shown in FIGS. 1 and 2 are denoted by the same reference numerals, and detailed description is omitted.

According to this embodiment, the wall 2 of the hoistway 1
Can be reduced.

Next, an elevator apparatus according to a third embodiment of the present invention will be described with reference to FIG. FIG. 4 is a schematic diagram showing the inside of the car 3 of the elevator apparatus according to the third embodiment.

As shown in FIG. 4, the elevator apparatus 10 according to the present embodiment is configured such that the car 3 is opened when the car 3 is stopped at the top floor (specific floor). Except for having an opening 3a that allows the work on the elevator 4, the configuration is substantially the same as the elevator apparatus of the first embodiment shown in FIGS. In the third embodiment, the same parts as those in the first embodiment shown in FIGS. 1 and 2 are denoted by the same reference numerals, and detailed description is omitted.

The opening 3a is provided with an opening / closing door 3b that can be arbitrarily opened / closed from the inside.

In this embodiment, the car 3 is positioned and stopped at a position where the floor level of the car 3 matches the floor level of the top floor. This can be implemented by normal mode operation.

Subsequently, the landing door 5a on the top floor and the door (not shown) of the car 3 are opened. The worker enters the car 3 stopped at the top floor from the landing door 5a on the top floor.
Ride in. Then, the worker opens the opening / closing door 3b of the car 3 in the car 3, and furthermore, the elevator control device 4 installed in accordance with the landing floor 5 on the top floor.
The front cover 4b is opened, and operations such as inspection of the elevator control device 4 are performed.

According to the present embodiment, it is not necessary to perform a special check mode operation for positioning the car 3, so that the initial cost of the elevator apparatus 10 can be suppressed.

Further, since the inspection work and the like can be performed in the car 3, it is safer than the case where the inspection work is performed on the car 3. In addition, the workability is improved, for example, the feet are more stable, and the lighting during the work can use the lighting in the car 3.

Next, an elevator apparatus according to a fourth embodiment of the present invention will be described with reference to FIG. FIG. 5 is a schematic diagram showing the inside of the car 3 of the elevator apparatus according to the fourth embodiment.

As shown in FIG. 5, in the elevator apparatus 10 of the present embodiment, the opening 3 of the car 3
4 except that it is provided at the operation panel 16 in FIG.
Is substantially the same as that of the elevator apparatus according to the third embodiment shown in FIG. In the fourth embodiment, the third embodiment shown in FIG.
The same reference numerals are given to the same portions as those of the embodiment, and the detailed description is omitted.

In this embodiment, the operation panel 16 itself is an opening door 3b which can be opened and closed arbitrarily from the inside. In addition, as shown in FIG. 4, in the normal car 3, the operation panel 16 is provided on the surface on the side of the opening / closing door 3 c, and accordingly, the elevator control device 4 also sets the operation panel 16 in the hoistway 1. It must be provided on the surface on the side of the door 5a.

According to the present embodiment, by providing the opening 3a in the operation panel 16, the manufacturing cost of the car 3 can be suppressed.

In the above embodiment, the elevator control device 4 is supported on the wall of the hoistway 1 facing the landing on the specific floor. However, the elevator control device 4 is supported on the left and right walls of the hoistway 1. Can also.

[0048]

According to the present invention, since the elevator control device is arranged in accordance with the specific landing floor,
There is no need to take flood countermeasures. In addition, after the worker gets on the upper surface of the car or after getting into the car for checking the elevator control device, it is not necessary to raise and lower the car, so that the work such as checking is safe, Also, there is no danger that the worker will not be able to move in the hoistway.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram showing an elevator apparatus according to a first embodiment of the present invention.

FIG. 2 is an enlarged schematic view showing a support member portion of FIG. 1;

FIG. 3 is an enlarged schematic view showing a support member of an elevator apparatus according to a second embodiment of the present invention.

FIG. 4 is a schematic diagram showing the inside of a car of an elevator apparatus according to a third embodiment of the present invention.

FIG. 5 is a schematic diagram showing the inside of a car of an elevator apparatus according to a fourth embodiment of the present invention.

FIG. 6 is a schematic diagram showing a conventional elevator device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Hoistway 2 Wall part 3 Car 3a Opening 3b Opening door 3c Opening door 4 Elevator control device 4b Front cover 5 Landing floor 5a Landing door 6 Support member 7 Support member 8 Anchor bolt 9 Building H steel 16 Riding car operation panel

Claims (8)

[Claims] 1. A support member fixed to a wall of a hoistway, and a car that moves up and down the hoistway so as not to interfere with each other.
An elevator control device supported in the hoistway by the support member, wherein the elevator control device is arranged in accordance with a landing floor of a specific floor. 2. The apparatus according to claim 1, wherein the support member is fixed to the wall by an anchor bolt.
An elevator apparatus according to claim 1. 3. The elevator apparatus according to claim 1, wherein an H steel is laid on the wall portion, and the support member is fixed to the H steel. 4. The system according to claim 1, wherein the specific floor is a top floor of a building where an elevator device is installed.
The elevator apparatus according to any one of the above. 5. The car of claim 1, wherein the car has an opening that opens when the car is stopped at the specific floor to allow access to the elevator control. Item 5. The elevator apparatus according to any one of Items 1 to 4. 6. The elevator apparatus according to claim 5, wherein the opening is provided in an operation panel portion in the car. 7. A method for maintaining and inspecting an elevator control device in an elevator apparatus according to claim 1, wherein said car is stopped so that an upper surface thereof is aligned with said specific floor. A worker rides on the top of the
A maintenance and inspection method for an elevator control device, characterized in that: 8. A method for maintaining and inspecting an elevator control device in an elevator apparatus according to claim 5 or 6, wherein the car is stopped at the specific floor, and an operator riding in the car is provided with A maintenance and inspection method for an elevator control device, characterized in that maintenance is performed by opening an opening.