JPH0570058A - Elevator device - Google Patents

Abstract

PURPOSE:To provide an elevator device capable of increasing the floor area of a cage against the area of a hoistway by arranging at least two balance weights adjacently to guide rails. CONSTITUTION:Guide rails 7, 7 are fixed to the wall of a hoistway 1 via brackets, and a cage 2 is guided by the guide rails 7, 7 to be vertically lifted or lowered. Two balance weights 31, 32 are arranged adjacently to the guide rails 7, 7 respectively. The balance weights 31, 32 are not required to be grounded at the depth of the cage 2 unlike in the past. The depth size of the cage 2 can be increased that much. The balance weights 31, 32 are installed within the range of the width size in which the guide rails 7, 7 are installed, thus the width size of the cage 2 is not reduced.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator system.

[0002]

2. Description of the Related Art In a conventional elevator apparatus, as described in Japanese Utility Model Laid-Open No. 62-50179, for example, a car and a counterweight are paired with each other, and the counterweight is at the back of the car (on the opposite side of the car door). It is arranged.

[0003]

In the above-mentioned general elevator apparatus, since one car has one counterweight, and the counterweight is installed at a position deep inside the car, As shown in FIG. 4, useless spaces are formed near the guide rails for guiding the vertical movement of the car and the counterweight, that is, near the four corners of the hoistway.
The floor area of the car is smaller than the plane area of the hoistway.

An object of the present invention is to provide an elevator apparatus capable of increasing the floor area of a car relative to the hoistway area.

[0005]

In order to achieve the above object, the present invention provides a hoisting machine having a sheave and an electric motor, a plurality of main ropes hung on the sheave, and supported on both sides of the main rope. In an elevator apparatus including a car and a counterweight that move up and down in mutually opposite directions, and a pair of guide rails that guide the vertical movement of the car, at least two counterweights are provided and are adjacent to the guide rail. It is placed in the place where

[0006]

[Function] As described above, since there are a plurality of counterweights adjacent to the guide rails installed on both sides of the car (based on the car door), the counterweight can be adjusted without reducing the width of the car. It can be placed on both sides of the car, which makes it possible to use the space behind the car where the counterweight was conventionally placed as the car interior space, increasing the car floor area with the same hoistway area as before, That is, the floor area of the car can be increased relative to the hoistway area.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is a horizontal sectional view of a hoistway, FIG. 2 is a plan view showing a positional relationship between a hoisting machine and a deflector, and FIG. 3 is a view showing positional relationship between a hoisting machine and a deflector within a vertical plane.

In these figures, 1 is a hoistway formed over a plurality of floors, 2 is a car that moves up and down in the hoistway 1, and 3 (31, 32) are the hoistways in the hoistway 1. A plurality of counterweights 4 that move up and down in opposite directions to the car 2 are hoisting machines installed in a machine room formed at the top of the hoistway 1, and include a sheave 4A and an electric motor 4B. 5 (51, 52, 53, 54) has one end fixed to the car 2 and the other end fixed to the counterweights 31, 32, and a plurality (for example, four) of which is halfway hung on the sheave 4A. Main rope, 6 (61, 62, 6
3) is a deflector wheel, and the deflector wheels 62, 63 are two main ropes 53 out of four to the position of the counterweight 32,
It is for guiding 54. Reference numerals 7 are guide rails arranged on both sides of the car 2 and fixed to the wall of the hoistway 1 via brackets (not shown). The car 2 is guided by the guide rails 7 and moves up and down in the vertical direction. The two counterweights 31, 32 are arranged adjacent to the guide rail 7, and each counterweight 31, 32 has a guide 8 (81, 82) for vertical movement guide. Reference numeral 9 indicates a hall.

As described above, since there are two counterweights and they are arranged adjacent to the guide rails 7, the counterweights are located inside the car 2 (on the opposite side of the hall 9) as in the conventional case.
You don't have to install it in. Therefore, the depth dimension of the car 2 can be increased accordingly. Further, since the counterweights 31 and 32 are installed within the widthwise dimension range in which the guide rail 7 is installed, the widthwise dimension of the car 2 does not become small. As a result, the floor area of the car 2 can be made larger than the area of the hoistway 1.

[0010]

As described above, according to the present invention, it is possible to provide an elevator apparatus in which the floor area of the car can be made larger than the area of the hoistway.

[Brief description of drawings]

FIG. 1 is a horizontal sectional view showing an embodiment of the present invention.

FIG. 2 is a plan view showing a positional relationship among a car, a sheave, a counterbalance weight, and a deflector wheel.

FIG. 3 is a plan view showing a positional relationship between a sheave and a deflector wheel in a vertical plane.

FIG. 4 is a horizontal sectional view of a conventional hoistway.

[Explanation of symbols]

 1 Hoistway 2 Car 3 (31, 32) Counterweight 4 Hoisting machine 4A Sheave 4B Electric motor 5 (51, 52, 53, 54) Main rope 6 (61, 62, 63) Deflection wheel 7 Guide rail 8 (81, 81) 82) Guide rail 9 platform

Claims (1)

[Claims] 1. A hoisting machine having a sheave and an electric motor,
A plurality of main ropes hung on the sheave, a car supported on both sides of the main rope and moving up and down in opposite directions, and a counterweight, and a pair of guide rails for guiding the vertical movement of the car. In elevator equipment,
At least two counterweights are provided, and the elevator apparatus is arrange | positioned in the location which adjoins the said guide rail.