JP2002370885A - Room elevator device without machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an elevator device without a machine room for enhancing work safety and the working efficiency of maintenance-inspection, and superior in design and design performance by incorporating an elevator control device in a landing hall operation panel. SOLUTION: The landing hall operation panel 10 is constituted so that a box-shaped casing 11 with the landing hall side as an opening is inserted into a hole bore in a building wall 20 of a landing hall, and is installed by a machine screw, and a surface plate 12 is installed so as to block up the opening of the casing 11 from the landing hall side. The elevator control device 8 is incorporated into the casing 11, and can be operated from the landing hall side by opening the surface plate 12.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a machine room-less elevator device in which a machine room is omitted, and more particularly to a storage structure of an elevator control device for controlling the elevation of an elevator car.

[0002]

2. Description of the Related Art Conventionally, in a building in which an elevator is installed, a hoist and a control device of the elevator are arranged in a machine room provided at an upper part of a hoistway, and the machine room is located upward from the whole building. It had a protruding structure. However, in recent years, it has been desired to eliminate the protrusion of the building by the machine room provided at the upper part of the hoistway, and a so-called machine room-less elevator device in which an elevator hoist and a control device are arranged in the hoistway has been proposed. Have been.

FIG. 3 is a cross-sectional view showing a conventional machine room-less elevator apparatus. In FIG. 3, reference numeral 1 denotes a hoistway constructed in a building, and reference numeral 2 denotes a car which is guided by a pair of cab guide rails 3 extending vertically on the inner wall surface of the hoistway 1 and arranged so as to be able to move up and down. The room 4 is a counterweight which is guided by a pair of counterweight guide rails 5 extending vertically on the inner wall surface of the hoistway 1 and is disposed so as to be able to move up and down. A frame 7 is a landing door mounted on the three-way frame 6, and an elevator control device 8 is mounted on the inner wall surface of the hoistway 1.

Although not shown, the drive mechanism of the cab in this type of machine room-less elevator apparatus is mounted on a mounting table in which a hoist is fixed between upper portions of a pair of counterweight guide rails 5. It is installed, a pair of car pulleys are rotatably attached to the lower part of the car room 2, and a counterweight pulley is rotatably mounted on the upper part of the counterweight.
Then, the rope is fixed with one end fixed to the ceiling of the hoistway 1, lowered, wrapped around a pair of car pulleys, and raised.
Then, it is hung over a sheave of a hoist, lowered, and hung up by a balancing weight pulley, and the other end is fixed to the ceiling of the hoistway 1. Therefore, by driving the hoist, the cab 2 is turned into a pair of cab guide rails 3.
And the counterweight 4 is guided by a pair of counterweight guide rails 5 to move up and down in the hoistway 1 in conjunction with the raising and lowering movement of the car room 2. .

[0005] In the conventional machine room-less elevator device configured as described above, since the elevator control device 8 is installed in the hoistway 1, an operator enters the hoistway 1 and the elevator control device 8 Perform maintenance and inspection. That is,
The operator, depending on the installation position of the elevator control device 8,
After entering the pit of the hoistway 1 or ascending to the upper part of the cab 2, the maintenance work of the elevator control device 8 is performed. Therefore, during the inspection and maintenance work of the elevator control device 8, it is conceivable that the cab 2 starts to move due to an abnormality in the elevator. Therefore, the safety of the maintenance and inspection work is reduced compared to the maintenance and inspection work of the elevator control device 8 in the machine room. It is difficult to secure, and the working efficiency is reduced.

In order to solve such a problem, FIG.
As shown in FIG. 1, a machine room-less elevator device in which an elevator control device 8 is built in a door pocket 6a of a three-way frame 6 has been proposed. In the machine room-less elevator device as an improvement measure, since the maintenance and inspection of the elevator control device 8 can be performed from the landing side without a worker entering the hoistway 1, safety is secured and work efficiency is improved. Will be. However, in the machine room-less elevator device as this remedy, a three-sided frame structure in which the door pocket 6a always appears at the landing has to be adopted, which is more restrictive in terms of design.
There was a problem from the viewpoint of the design of the building.

[0007] To cope with this problem, an elevator control device is incorporated in a three-sided door stop frame, for example, as disclosed in Japanese Patent Laid-Open No.
No. 5011 has proposed this. However, as the load capacity of the elevator device increases, the size of the elevator control device also increases. On the other hand, the space at the door stop of the three-sided frame is small. Therefore, in an elevator device having a large loading capacity, there is a problem that the elevator control device cannot be built in the door stop of the three-way frame.

[0008]

The maintenance and inspection work of the elevator control device 8 in the machine room-less elevator device includes:
Considering that the cab 2 may suddenly start moving due to an abnormality in the elevator, it is desirable to carry out the operation outside the hoistway. However, the elevator control device 8 is moved to the door pocket 6 of the three-sided frame 6.
If the interior is installed in a, maintenance and inspection from the landing can be performed, and work safety and work efficiency are improved, but there is a problem that design and design are deteriorated. Furthermore, if the elevator control device 8 is installed inside the door stop of the three-way frame 6, maintenance and inspection from the landing can be performed, work safety and work efficiency can be improved, and deterioration in design and design can be suppressed. However, there is a problem that the method cannot be applied to a machine room-less elevator apparatus having a large loading capacity.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems. An elevator control device is incorporated in a landing operation panel to improve the work safety and work efficiency of maintenance and inspection, and to improve design and design. It is an object of the present invention to provide a machine room-less elevator device excellent in performance.

[0010]

According to the present invention, there is provided a machine room-less elevator apparatus in which a driving mechanism of a car room is arranged in a hoistway, and a hall operating panel for car calls is mounted on a building wall of the hall. In a room-less elevator device, an elevator control device is incorporated in the hall operating panel.

The hall operating panel includes a housing buried in the building wall, and a front panel mounted to close a hall-side opening of the housing and having a car call button mounted thereon. And the elevator control device is configured to be operable from the landing side by opening the front panel and opening the landing side opening of the housing.

A detection switch for detecting the opening of the front panel is provided, and the elevator control device is configured to stop the elevator in response to the front panel opening detection signal of the detection switch.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. Embodiment 1 FIG. FIG. 1 is a cross-sectional view showing a machine room-less elevator device according to Embodiment 1 of the present invention, and FIG. 2 is a front view of the machine room-less elevator device according to Embodiment 1 of the present invention as viewed from a landing.

In each of the drawings, reference numeral 1 denotes a hoistway constructed in a building, and 2 denotes a hoistway which is guided by a pair of cab guide rails 3 extending vertically on the inner wall surface of the hoistway 1, and is disposed so as to be able to move up and down. The car room 4 is a counterweight which is guided by a pair of counterweight guide rails 5 extending vertically on the inner wall surface of the hoistway 1 so as to be able to ascend and descend, and 6 is a landing entrance / exit. The three-way frame to be configured, 7 is a landing door attached to the three-way frame 6,
9 is a car door attached to the car room 2.

Reference numeral 10 denotes a hall operating panel. The hall operating panel 10 has a box-shaped housing 11 having an opening on one side, and a hall operating device such as a destination floor button 13a as a car call button and a display 13b. 13 is incorporated in the surface plate 12. Then, the housing 11 is inserted into a hole formed in the architectural wall 20 of the landing so that the opening is on the landing side and attached with screws or the like, and the surface plate 12 closes the opening of the housing 11 from the landing side. So that it is attached.
Further, the elevator control device 8 is incorporated in the housing 11. The landing operating panel 10 is normally locked via the keyhole 15 and the front plate 12 is closed.

A detection switch 14 for detecting opening of the front plate 12 is incorporated in the housing 11. Then, the elevator control device 8 controls the detection switch 14
When the surface plate opening detection signal is inputted, the operation of the elevator is stopped. Further, an operation restart switch (not shown) for releasing the stop of the operation of the elevator is incorporated in the housing 11.

The drive mechanism of the cab of the machine room-less elevator apparatus includes a hoist, a pair of car pulleys, and the like as in the conventional machine room-less elevator apparatus shown in FIG.
A balancing weight pulley is provided, and a rope is wound around a pair of car pulleys, a sheave of a hoist and a balancing weight pulley.

In this machine room-less elevator apparatus, the user operates the landing floor button 13a of the landing operation panel 10 at the landing.
By pressing, the car floor and the destination floor are registered in the elevator control device 8. And the elevator control device 8
Drives the hoist in conjunction with the registration of the car call, and causes the car room 2 to land on the car call floor. Then, the user gets into the car room 2, and after the elevator control device 8 detects the closed state of the hall door 7 and the car door 9, the hoist is driven again, and the car room 2 arrives at the registered destination floor. Be floored.

At the time of maintenance and inspection of the elevator control device 8, an operator inserts a key into the key hole 15 to open the key, and opens the front panel 12 as shown by a dotted line in FIG.
At this time, the detection switch 14 detects the opening of the front panel 12, and the elevator control device 8 stops the operation of the elevator. Then, the worker presses the elevator operation restart switch to release the stop of the operation of the elevator. This allows the operator to operate the elevator control device 8 from the landing. Therefore, the worker controls the elevator control device 8
Is operated to perform the maintenance and inspection work. When the maintenance and inspection work of the elevator control device 8 is completed, the front panel 12 is closed and locked.

According to the first embodiment, since the elevator control device 8 is built in the hall operating panel 10, a member for storing the elevator control device 8 is newly added to the building wall 2.
There is no need to attach to zero. Therefore, the design and design restrictions due to the attachment of the elevator control device 8 to the building wall 20 do not increase, and the same design and design as the conventional machine room-less elevator device can be secured. . Also, the front panel 12 of the landing operation panel 10
By opening the elevator, the elevator control device 8 can be operated from the landing side, and the work safety and work efficiency of the maintenance and inspection of the elevator control device 8 can be improved as compared with the conventional machine room-less elevator device.

Further, a detection switch 14 for detecting the opening of the front panel 12 is incorporated in the housing 11, and the operation of the elevator is stopped when the detection switch 14 detects the opening of the front panel. When the front panel 12 is opened due to the mischief of the person, the operation of the elevator is immediately stopped. Therefore, even if an outsider operates the elevator control device 8, the elevator is not operated, thereby preventing passengers from being in danger.

Embodiment 2 FIG. In the first embodiment, the elevator operation restart switch is set to the housing 11 of the landing operation panel 10.
By pressing the elevator operation restart switch,
Although the operation of the elevator stopped by opening the front panel is restarted, in the second embodiment, the operation of the elevator is stopped by opening the key while pressing the predetermined destination floor button 13a. It is assumed that the flow to be eliminated is programmed in the elevator control device 8.

In the second embodiment, when the worker opens the key while pressing the predetermined destination floor button 13a, the elevator controller 8 recognizes that the front panel 12 has been opened for maintenance and checks the elevator operation. Is not stopped. Thus, the operator can operate the elevator control device 8 from the landing side to perform maintenance and inspection. Therefore, when the front panel 12 is opened due to mischief of an outsider, the operation of the elevator is immediately stopped. Therefore, even if an outsider operates the elevator control device 8, the elevator is not operated, and it is possible to reliably prevent the passenger from being exposed to danger.

In each of the above-described embodiments, the landing operation panel 1 provided with the destination floor button 13a installed in the normal cab 2 is provided.
Although the elevator control device 8 is incorporated in the vehicle 0, the hall operation panel is not limited to this, and it is sufficient if a space for incorporating the elevator control device 8 is secured, and only the car call up / down button and the car position It may be a hall operation panel provided with an indicator. Further, in each of the above embodiments, the detection switch 14 is incorporated in the housing 11, but the same effect can be obtained even if the detection switch 14 is attached to the front panel 12. Further, in each of the above embodiments, the hoist is assumed to be mounted on the upper part of the counterweight guide rail 5, but the arrangement of the hoist is not limited to this. It is sufficient if they are arranged. Further, a winding machine may be used in place of the winding machine. In this case, the winding machine can be arranged, for example, in a pit of the hoistway 1.

[0025]

Since the present invention is configured as described above, it has the following effects.

According to the present invention, in a machine room-less elevator apparatus in which a driving mechanism of a car room is disposed in a hoistway and a hall operation panel for car calls is mounted on a building wall of the hall, the elevator control device is Since it is incorporated in the hall operating panel, a machine room-less elevator device excellent in design and design can be obtained.

The hall operating panel includes a housing buried in the architectural wall, and a front panel mounted to close the hall-side opening of the housing and having a car call button mounted thereon. The elevator control device is configured so that the elevator control device can be operated from the landing side by opening the front panel and opening the landing side opening of the housing, so that maintenance and inspection of the elevator control device can be performed from the landing side. It can be implemented, and the safety and work efficiency of maintenance and inspection are improved.

A detection switch for detecting opening of the front panel is provided, and the elevator control device is configured to stop the elevator in response to the front panel opening detection signal of the detection switch. The operation of the elevator control device is prevented beforehand.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing a machine room-less elevator apparatus according to Embodiment 1 of the present invention.

FIG. 2 is a front view of the machine room-less elevator device according to the first embodiment of the present invention as viewed from a landing.

FIG. 3 is a cross-sectional view showing a conventional machine room-less elevator device.

FIG. 4 is a cross-sectional view showing another conventional machine room-less elevator apparatus.

[Explanation of symbols]

1 hoistway, 2 cabs, 8 elevator control device, 1
0 hall operation panel, 11 housing, 12 front panel, 13a
Destination floor button (car call button), 14 detection switch, 20
Architectural wall.

Claims (3)

[Claims] In a machine room-less elevator apparatus in which a driving mechanism for a car is arranged in a hoistway and a hall operating panel for car calls is mounted on a building wall of the hall, an elevator control device is provided in the hall operating panel. An elevator apparatus without a machine room, wherein the elevator apparatus is incorporated in a machine room. 2. The landing operation panel, comprising: a housing buried in the building wall; and a surface panel mounted to close a landing-side opening of the housing and having a car call button mounted thereon. 2. The machine room according to claim 1, wherein the elevator control device is configured to be operable from the landing side by opening the front panel and opening a landing side opening of the housing. Less elevator equipment. 3. A detection switch for detecting opening of the front panel is provided, and the elevator control device is configured to stop the elevator according to a front panel opening detection signal of the detection switch. Item 3. A machine room-less elevator device according to item 2.