JP2000255934A - Winding drum type elevator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To compact the size of a hoistway of an elevator in respect to the horizontally projected area. SOLUTION: This elevator is provided with a first suspension sheave 11 and a second suspension sheave 12 provided on one side of a hoistway 17, a third suspension sheave 13 provided on the other side of the hoistway 17, a car 4 provided to travel vertically in the hoistway, a winding drum type winding machine 15 provided on one side of the hoistway, a first rope 18 attached fixedly to the winding drum type winding machine 15 on one end, then hooked on the first suspension sheave 11 and the third suspension sheave 13 sequentially, and attached fixedly to the other end of the car 4 on the other end, and a second rope 19 attached fixedly to a winding drum 15a on one end, hooked on the first suspension sheave 11, the third suspension sheave 13, and the second suspension sheave 12 sequentially, and attached fixedly to one end of the car 4 on the other end. The first suspension sheave 11, the second suspension sheave 12, the third suspension sheave 13, and the winding drum type winding machine 15 are placed approximately inside the horizontally projected area 20 of the car.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator having a hoistway compact by roping.

[0002]

2. Description of the Related Art As a conventional elevator, for example, FIG.
There is something like that shown in In the figure, a car 102 is vertically movably provided in a hoistway 101 of an elevator, and a pair of suspension sheaves 103 and 104 are provided above the hoistway 101. Hoistway 101
Is provided below the winding drum 105.
The first rope 106 having one end fixed to 05a is hung on the first hanging sheave 103 and the second hanging sheave 104, and then the other end is fixed to the car 102. In addition, winding drum 1
The second rope 107 having one end fixed to 05a is hung on the first suspension sheave 103, and the other end is fixed to the car 102. The rope 106, 10 by the winding drum 105a
The car 102 is moved up and down by winding up or loosening the car 7.

[0003]

In such a conventional roping, the second end in which the other end is fixed to the car 102 is used.
After the rope 107 is hung on the first suspension sheave 103, one end of the rope 107 is fixed to the winding drum 105a.
As shown in the figure, the hanging sheave 103 and the hoisting machine 105 are located outside the horizontal projection area 108 of the car. For this reason, the hoistway 101 is bulky in the horizontal projection area direction, and there has been a problem that the demand for compactness cannot be met.

An object of the present invention is to reduce the size of the hoistway of an elevator in the horizontal projection area direction.

[0005]

According to the present invention, a first suspension sheave and a second suspension sheave disposed on one side of a hoistway are provided. A third suspending sheave disposed on the other side, and a bobbin-type hoisting machine disposed on one side of the hoistway, with a cage disposed vertically movable on the hoistway, and a bobbin-type hoisting machine One end is fastened, then the first hanging sheave, the third hanging sheave is sequentially hung, the other end is fastened to the other end side of the car, the first rope, one end is fastened to the winding drum, the next The first suspended sheave, the third suspended sheave,
A second rope sequentially hung on a second hanging sheave, the other end of which is fixed to one end of the car;
The second suspension sheave and the third suspension sheave and the winding type hoisting machine are configured to be located substantially within the horizontal projection area of the car.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings. FIG. 1 to FIG. 5 are views showing one embodiment of a winding drum type elevator according to the present invention.

In FIG. 4, reference numerals 1 and 2 denote towers of a home elevator, and the towers 1 and 2 are erected on a base member 3 installed on the bottom surface of a hoistway. The steel towers 1 and 2 have a substantially U-shaped cross section, and also serve as a guide rail for guiding the car 4. The car 4 has a door 5, and a control panel 6 for controlling opening and closing of the door 5 is provided on the top of the car 4.

At the tops of the guide rails 1 and 2, two support angle members 9 and 10 are provided via support members 7 and 8 having a substantially triangular shape. The support angle members 9 and 10 are arranged in parallel, and between the support angle members 9 and 10,
A first suspended sheave 11 and a second suspended sheave 12 located on one side of the hoistway are rotatably supported, and a third suspended sheave 13 located on the other side of the hoistway is rotatably supported. The guide rails 1 and 2 are provided with a landing entrance 14.

On one side of the bottom of the hoistway, a car 4
A hoisting machine 15 for moving the car 4 up and down is installed, and a control panel 16 for controlling the running of the car 4 is installed on the other side.

As shown in FIG. 1, one end of a first rope 18 is fixed to a winding drum 15a of a winding drum type hoisting machine 15 installed on one side of a hoistway 17, and the first rope 18 is fixed to the winding drum 15a. Rope 18
Are sequentially hung on the first suspension sheave 11 and the third suspension sheave 13, and the other end is fixed to the other end side of the bottom of the car 4. Further, one end of a second rope 19 is fixed to the winding drum 15a, and the second rope 19 is hung on the second suspension sheave 12 and further hung on the third suspension sheave 13 as shown in FIG. After that, it is hung on the first hanging sheave 11,
The other end is fixed to one end side of the bottom of the car 4.

With such roping,
As shown in FIG. 3, not only the third hanging sheave 13 but also the first
The suspending sheave 11, the second suspending sheave 12, and the winding type hoisting machine 15 can be located substantially within the horizontal projection area 20 of the car.

[0012]

As described above, according to the present invention,
Since the first suspension sheave, the second suspension sheave, the third suspension sheave, and the winding type hoist are substantially positioned within the horizontal projection area of the car, the hoistway is made compact in the horizontal projection area direction. be able to.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view showing one embodiment of a winding drum type elevator according to the present invention.

FIG. 2 is a diagram showing this roping.

FIG. 3 is a plan view of a hoistway.

FIG. 4 is a perspective view of the winding drum type elevator.

FIG. 5 is a schematic perspective view of a conventional winding drum type elevator.

FIG. 6 is a plan view of a conventional hoistway.

[Explanation of symbols]

4 ... Cage, 11 ... First suspension sheave, 12 ... Second suspension sheave, 13 ... Third suspension sheave, 15 ... Winding type hoisting machine, 18
... 1st rope, 19 ... second rope, 20 ... horizontal projected area of the car.

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Yasuhiro Takano 2-1-61 Shiro, Chuo-ku, Osaka-shi, Osaka Japan Otis Elevator Co., Ltd. Kinki Branch F-term (reference) 3F305 AA15 BA03 BB19

Claims (1)

[Claims] 1. A first suspension sheave and a second suspension sheave disposed on one side of a hoistway, a third suspension sheave disposed on the other side of a hoistway, and vertically movable on the hoistway. With the trolley and the hoisting machine installed on one side of the hoistway, one end of the hoisting machine is fixed to the hoisting machine, and then the first hoisting sheave and the third hoisting sheave are sequentially hung. A first rope having the other end fixed to the other end side of the car, and one end fixed to the winding drum,
Next, the second suspension sheave is sequentially hung on the first suspension sheave, the third suspension sheave, and the second suspension sheave, and the other end is fixed to one end of the car.
A winding drum comprising a rope, wherein the first hanging sheave, the second hanging sheave, and the third hanging sheave, and a winding drum type hoist are substantially positioned within a horizontal projection area of the car. Elevator.