JPS59182190A - Guide wheel for rope for elevator - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] This invention relates to an improvement in a car that guides an elevator rope.〇The main rope wrapped around the drive sheave of the elevator hoist is also wrapped around the deflection sheave, Its hanging position is determined. This deflection wheel is, for example, Utility Model No. 128257
The structure is shown in FIGS. 1 to 3.

In the figure, (1) is a hoisting machine stand installed on the floor of the elevator machine room, and (2) is an electric motor (not shown) installed on a hoisting machine (not shown) installed on the hoisting machine stand (1). ) Drive sheave driven by a button, (3) is a support plate fastened to the lower surface of the hoisting machine base (1) and extends downward, and (4) is a support plate (4) with shaft stoppers (5) at both ends. 31, a shaft fixed to (3), (6
) is the bearing fitted on the shaft (4), (7) is the deflection wheel, (
7a) is a circumferential body with a groove formed on the outer circumferential surface, (b) is a boss into which a bearing (6'l) is fitted, (I70) is a circumferential body (7).
The arm connecting a) to the boss (7b), (8) is the bearing (6)
(9) is the sheave (
2) is the main rope wrapped around the deflector wheel (7), QO is connected to one end of the main rope (9) and is connected to the elevator car placed in the hoistway, and 01) is the other end of the main rope (9). is a counterweight connected to the

That is, the deflection wheel (7) is usually made of cast iron, and the circumferential body ('ila) and the shaft (4) are constructed concentrically. The minimum functionally necessary members of the diversion wheel (7) are a portion into which the bearing (6) is inserted and a portion around which the main rope (9) is wound.

Three to eight arms (7c) are normally provided, but these simply connect the circumferential body (7a) and the boss (7b), which only increases the weight and manufacturing cost. .

Furthermore, since cast iron is used, not only does casting require a large amount of heat, but productivity is also poor.

This invention aims to improve the above-mentioned problems, and provides a rope guide wheel for elevators that has good productivity and can be lightweight by using a circular tube-shaped circumferential body and a rotating body that contacts the inner circumferential surface of the body. The purpose is to provide.

An embodiment of the present invention will be described below with reference to FIGS. 4 and 5.

In the figure, (4) is a support plate (3) at both ends, two shafts are fixed to (3) with shaft stoppers (5), and each has a bearing (6) fitted, and (7a) is a circular shaft. a circular body (13
is an elastic body such as synthetic rubber adhered to the inner circumferential surface of the circumferential body (Va), and the outer circumferential surface of the bearing (6) is in contact with the inner circumferential surface of the elastic body (2).

Both ends of α4 are supported by support plates (3) and (31), and the main rope (9
) is a main cable removal stopper placed on the outside of the main rope. Others are first
It is the same as Figure ~ @ Figure 3.

That is, the main rope (9) is wound around the outer circumference of the circumferential body (7a), and the inner circumference of the elastic body α3 is supported by the outer circumferential surface of the bearing (6). Therefore, when the main rope (9) is driven, the bearing (6) is rotated by the elastic body α3, so the circumferential body r7a) rotates and the main rope (9) is smoothly guided.

Since the circumferential body (7a) can be manufactured from a steel pipe material or a bent steel plate material, productivity is good and weight reduction is possible.

Moreover, since the rotational vibration of the bearing (6) is not transmitted to the main rope (9) due to the intervention of the elastic body Oj, the riding comfort of the car 00 can be maintained good.

In addition, although the embodiment shows the application to the diverter wheel (7), it is obvious that the invention can also be applied to other rope guide wheels.

As explained above, in this invention, a rope is wound around the outer circumferential surface of a circular tube-shaped circumferential body, and this circumferential body is supported by a rotating body that rotates in contact with the inner circumferential surface of the circumferential body. The rope guide wheel can be constructed from a pipe material, etc., and the rope guide wheel can be manufactured lightweight and inexpensively, and its productivity can be improved.

[Brief explanation of the drawing]

Fig. 1 is a conceptual diagram of an elevator, Fig. 2 is an enlarged view of the deflection wheel portion of Fig. 1 showing a conventional elevator rope guide wheel, Fig. 3 is a sectional view taken along the line ■-■ of Fig. 2, and Fig. 4 This figure is a front view showing one embodiment of the elevator rope guide car according to the present invention, and is a view corresponding to FIG. 2, and FIG. 5 is a sectional view taken along the line 2--v in FIG. (4)...shaft, (6)...bearing (rotating body), (7
)...Deflection wheel (guide wheel), (7a)...Circumferential body,
(9)...Main rope (rope) The same reference numerals in the figures are the same
or a corresponding portion. Agent Nobu Kuzu - (1 other person) Figure 1 Figure 2 Figure 3 Figure 4 Figure 5

Claims (1)

[Claims] A circumferential body formed in a circular tube shape and having a groove on its outer circumferential surface for winding a rope, and an inner circumferential surface of the circumferential body that is attached to a fixed part and arranged in the same direction as the axial direction of the circumferential body. and a rotating body that rotates in contact with the circumferential body and supports the circumferential body.