JP7403712B2 - elevator system - Google Patents

Description

The present invention relates to an elevator system, and more particularly to an elevator system suitable for an elevator system in which an elevator car is equipped with an evacuation ladder and pit equipment is installed in an elevator hoistway pit.

Generally, pit equipment such as an intercom, control station switch (elevator stop switch), bell, brake release switch, and buzzer are installed on the pit wall of the hoistway where the elevator car goes up and down. The car is equipped with an evacuation ladder that firefighters can use to rescue passengers trapped inside the car.

The above-mentioned evacuation ladder is often installed and stored in the ceiling of the car or in the handrail of the car, but may also be stored in the back or side panels of the car.

Note that Patent Document 1 describes an emergency elevator system for avoiding flooding of an elevator control device and a hoisting machine in a hoistway during fire extinguishing activities in the event of a fire in a building.

In Patent Document 1 mentioned above, in order to avoid flooding of the elevator control device and hoisting machine in the hoistway during fire extinguishing activities in the event of a fire in a building, the elevator control device is installed in the hoistway without installing a machine room. An emergency elevator system in which equipment and a hoisting machine are installed, including a fire-protected hoistway and a waterproof equipment storage box installed at an appropriate location on the hoistway that is higher than the pit of the hoistway. This document describes an emergency elevator system that includes an equipment storage box and equipment waterproof storage means for storing one or both of an elevator control device and a hoisting machine in the equipment storage box to prevent flooding.

Japanese Patent Application Publication No. 2008-44773

However, if the evacuation ladder is stored inside the back side panel or side panel of the car, the entire outside of the car becomes larger, which increases the hoistway dimensions. When the car is stored in a large space, the thickness of the ceiling of the car increases, and the distance from the top floor of the building to the ceiling of the building (hereinafter referred to as the OH dimension) also increases.

On the other hand, in order to comply with firefighting operation standards, there are cases where pit equipment is placed at a height of over 1m above the pit bottom of the hoistway, so the dimensions of the hoistway are increased to avoid interference between the pit equipment and the car. There was a problem that I had no choice but to do.

The above-mentioned Patent Document 1 describes an emergency elevator system for avoiding flooding of the elevator control device and hoisting machine in the hoistway during fire extinguishing activities in the event of a building fire, but the OH dimensions are No solutions are described for the problem of increasing the size of the hoistway or requiring a significant increase in the hoistway dimensions.

The present invention has been made in view of the above points, and its object is to provide an elevator car with an evacuation ladder and pit equipment installed in the elevator hoistway pit. Another object of the present invention is to provide an elevator system that can avoid interference between pit equipment and a car without significantly increasing the dimensions of the hoistway.

In order to achieve the above object, the elevator system of the present invention includes pit equipment installed on a pit wall surface of a hoistway through which an elevator car goes up and down, and a pit wall surface of the hoistway where the pit equipment is installed. An elevator system in which an evacuation ladder is installed on a side plate of the opposing car, wherein the pit equipment and the evacuation ladder are installed at positions that do not overlap when viewed from a plane , An evacuation space for workers is provided at the bottom of the pit of the hoistway, and the pit equipment is installed above the evacuation space .

According to the present invention, even if an elevator car is equipped with an evacuation ladder and pit equipment is installed in the elevator hoistway pit, the pit can be removed without significantly increasing the hoistway dimensions. Interference between the equipment and the car can be avoided.

BRIEF DESCRIPTION OF THE DRAWINGS It is a figure which shows the schematic structure of the elevator apparatus in Example 1 of the elevator system of this invention. FIG. 2 is a perspective view showing a pit wall surface of a hoistway in which pit equipment of the elevator system in FIG. 1 is installed and a car. FIG. 3 is a front view of FIG. 2; FIG. 3 is a side view of FIG. 2; FIG. 3 is a plan view of FIG. 2;

EMBODIMENT OF THE INVENTION Hereinafter, the elevator system of this invention will be explained based on the illustrated Example. In each figure, the same reference numerals are used for the same components.

FIG. 1 shows a schematic configuration of an elevator apparatus 100 in Example 1 of the elevator system of the present invention.

As shown in FIG. 1, the elevator device 100 includes a hoistway 1 that communicates each floor of a building 2, a plurality of landings 2A provided on each floor of the building 2, and a hoistway 1 that moves within the hoistway 1 to each landing. Each platform 2A is connected to the car 4 through a car entrance 4A.

The car 4 is connected to one end of a main rope (not shown) and suspended in the hoistway 1, and the other end of the main rope is connected to a counterweight 5 that balances the weight of the car 4. ing. Further, above the hoistway 1, a hoisting machine 3 for hoisting the main rope and a control panel (not shown) for controlling the operation of the hoisting machine 3 are installed.

When the hoisting machine 3 winds up or unwinds the main rope, the car 4 and the counterweight 5 are suspended along the car side guide rails 6 and 7 fixed to the hoistway 1 and the counterweight side guide rails 8 and 9. Move to.

The counterweight side guide rail 9 is fixed to the wall surface 1A of the hoistway 1 via a first rail bracket 10 with fastening means 16a consisting of bolts and nuts, and the counterweight side guide rail 8 and the car side guide rail 7 are The car side guide rail 6 is fixed to the wall surface 1A of the hoistway 1 via the second rail bracket 11 with fastening means 16b, and the car side guide rail 6 is fixed to the wall surface 1A of the hoistway 1 via the third rail bracket 12 with fastening means 16c. Fixed.

As shown in FIGS. 2, 3, 4, and 5, the elevator apparatus 100 of this embodiment configured as described above has an intercom 21 installed on the wall surface 20a of the pit 20 of the hoistway 1 where the car 4 goes up and down. , a control station switch 22, a bell 23, a brake release switch 24, a buzzer 25, and other pit equipment are installed at the pit bottom 20b of the hoistway 1, where workers can evacuate if they need to evacuate for some reason. A retreat space 27 is provided. In addition, the code|symbol 26 is a pit junction box, and the code|symbol 33 is a rail bracket.

Further, in this embodiment, the car 4 is located opposite the wall 20a of the pit 20 of the hoistway 1 where pit equipment such as an intercom 21, a control station switch 22, a bell 23, a brake release switch 24, and a buzzer 25 are installed. An evacuation ladder 30 is installed on the side plate 4a, and pit equipment such as the intercom 21, control station switch 22, bell 23, brake release switch 24, buzzer 25, etc. and the evacuation ladder 30 are installed on the side plate 4a. When viewed (see FIG. 5), they are placed in positions that do not overlap or are staggered.

The evacuation ladder 30 described above is stored in a ladder storage section 32 provided on the side plate 4a of the car 4.

Further, in this embodiment, as described above, a worker's evacuation space 27 is provided at the pit bottom 20b of the hoistway 1, and an intercom 21, a control station switch 22, a bell 23, a brake release switch 24, a buzzer Pit equipment such as 25 is installed above the evacuation space 27.

In this embodiment, the intercom 21 and the control station switch 22 are removably held in a pit control station housing 28 that is removably installed on the wall surface 20a of the pit 20 outside the evacuation space 27. The intercom 21 and/or the control station switch 22 are removed from the body 28 and moved to the evacuation space 27, and the intercom 21 and/or the control station switch 22 are operated in this evacuation space 27.

Further, in this embodiment, the intercom 21 and the control station switch 22 are arranged in parallel in the pit control station housing 28, and the intercom 21 has an operation section located in front of the pit control station housing 28. The control station switch 22 is held with its operating section located on the right side with respect to the pit control station housing 28.

By adopting the configuration of this embodiment as described above, the evacuation ladder installed on the side plate 4a of the car 4 can be controlled while minimizing the expansion of the frontage dimension, pit depth, and OH dimension of the hoistway 1. 30 and the protrusions of pit equipment such as the intercom 21, control station switch 22, bell 23, brake release switch 24, buzzer 25, etc., do not interfere with each other, and it is possible to utilize mutually effective space.

Therefore, according to this embodiment, the car 4 is equipped with an evacuation ladder 30, and the pit 20 of the hoistway 1 is equipped with an intercom 21, a control station switch 22, a bell 23, a brake release switch 24, a buzzer 25, etc. Even if the equipment is installed, the dimensions of the hoistway 1 will not increase significantly, and pit equipment such as the intercom 21, control station switch 22, bell 23, brake release switch 24, buzzer 25, etc. 4 can be avoided.

Furthermore, in this embodiment, it is possible to suppress the expansion of the dimensions (plane dimensions, pit dimensions) of the hoistway 1, and it is possible to use parts with low waterproofing requirements, thereby reducing the cost of the elevator system.

In addition, the operation of the intercom 21 or control station switch 22 from the evacuation space 27 can meet the standards, and during maintenance, the intercom 21 or control station switch 22 can be easily moved by simply removing it from the pit control station housing 28. Therefore, the work time can be kept at the same level as the current one.

Note that the present invention is not limited to the embodiments described above, and includes various modifications. For example, the embodiments described above are described in detail to explain the present invention in an easy-to-understand manner, and the present invention is not necessarily limited to having all the configurations described. Furthermore, it is possible to replace a part of the configuration of one embodiment with the configuration of another embodiment, and it is also possible to add the configuration of another embodiment to the configuration of one embodiment. Furthermore, it is possible to add, delete, or replace a part of the configuration of each embodiment with other configurations.

1... Hoistway, 1A... Hoistway wall, 2... Building, 2A... Landing area, 3... Hoisting machine, 4... Car, 4A... Car entrance/exit, 4a... Car side plate, 5... Counterweight, 6, 7... Car side guide rail, 8, 9... Counterweight side guide rail, 10... First rail bracket, 11... Second rail bracket, 12... Third rail bracket, 16a, 16b, 16c... Fastening means, 20... Pit, 20a... Pit wall, 20b... Pit bottom, 21... Intercom, 22... Control station switch, 23... Bell, 24... Brake release switch, 25... Buzzer, 26... Pit junction box, 27... Evacuation space, 28... Pit control station housing, 30... Evacuation ladder, 32... Ladder storage section, 33... Rail bracket, 100... Elevator device.

Claims (5)

Pit equipment is installed on the pit wall of the hoistway where the elevator car goes up and down, and an evacuation ladder is installed on the side plate of the car that faces the pit wall of the hoistway where the pit equipment is installed. An elevator system that is
The pit equipment and the evacuation ladder are installed at positions that do not overlap when viewed from a plane ,
An elevator system characterized in that a worker's evacuation space is provided at the bottom of the pit of the hoistway, and the pit equipment is installed above the evacuation space . The elevator system according to claim 1,
The elevator system is characterized in that the evacuation ladder is stored in a ladder storage section provided on a side plate of the car. The elevator system according to claim 1 ,
The elevator system is characterized in that the pit equipment includes an intercom, a control station switch, a brake release switch, a buzzer, and a bell. The elevator system according to claim 3 ,
The intercom and the control station switch are removably held in a pit control station casing that is removably installed on the pit wall outside the evacuation space, and are removed from the pit control station casing at the time of maintenance. An elevator system that moves to a space and is operated in the evacuation space. The elevator system according to claim 4 ,
The elevator system is characterized in that the intercom and the control station switch are arranged in parallel in the pit control station housing.

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