JPH1036048A - Step of passenger conveyor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a step or tread that varies widely in breadth by making the breadth of the step or tread asymmetrical horizontally, and varying only one side of the breadth. SOLUTION: A plurality of jagged cleats 21a, 21b, which are elongated in advancing direction, and steps or treads that rotate endlessly to convey passengers are provided from one entrance to the other, and the breadth W of each step 2 or tread 2 is constructed of horizontally asymmetrical split steps 21A, 21B, and the horizontally split steps or treads 21A, 21B are joined together to form one step or tread.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a passenger conveyor such as an escalator and a moving sidewalk, and more particularly to a step thereof.

[0002]

2. Description of the Related Art In general, steps or treads of a passenger conveyor are generally of the type of 1200 for two passengers (the effective width of a balustrade is 1,200 mm) and have a width of 1,000 mm, which is generally called 800.
It is broadly divided into two types with a width of 600 mm for dies (the effective width of the balustrade is 800 mm). In order to form fine uneven teeth on the surface, there are many examples of precision die-casting of aluminum alloy, and in the case of a wide type (1,000 mm in width), as disclosed in JP-A-49-20280. It is common to divide into a left-right symmetrical similar shape with the center line in the width direction as a boundary and join them together to form a pair. The major reasons for the split product are that the complete integration of the wide steps or treads exceeds the general capability of the die-casting machine, the accumulated error is large and the desired accuracy cannot be maintained, If the part is shifted to one of the left and right, the strength balance may be lost.

[0003]

In the prior art, a symmetrical type is generally used in terms of the molding machine's ability, accumulated error, strength balance, and the like. If the width (1,000 mm) is slightly increased to allow ample space for passengers to move, or if the width is reduced slightly to reduce the installation area, naturally, the divided body with half the desired width is divided. Therefore, two types of die equipment for die casting were required. For this reason, enormous costs are required not only for the production cost of the mold but also for the preparation of a die-casting machine for molding using the mold, and it has been practically impossible to change the width.

An object of the present invention is to provide a step or a tread having various widths by making the step or the tread asymmetrical in lateral width and changing one of the lateral widths.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention relates to a method of moving from one entrance to another entrance.
It has a plurality of cleats of uneven teeth long in its traveling direction, and has a step for endlessly rotating and transporting passengers. The split step body or the split tread body is joined to form one step. In the step, the width of the cleats of the concave and convex teeth forming the upper surface portion is divided into asymmetrical left and right cleats, which are joined together to form one cleat.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. The embodiment shown here shows a configuration of a step having a width of around 1,000 mm of a so-called 1200 type (effective width of a balustrade of about 1,200 mm) for two passengers. As shown in FIG. 1, the escalator-type passenger conveyor has a plurality of uneven teeth long in the traveling direction from one entrance / exit 1 to the other entrance / exit, and rotates endlessly to transport passengers. And a handrail 3, a balustrade 4 and the like. FIG. 2 is a view of the step 2 shown in FIG.
Is a tread surface of the cleats 21 of uneven teeth, a riser 22 which is a kick-up (with a pattern 22A indicating a position where a passenger stands), a front wheel 23, an axle 24, a rear wheel 25, and an axle 2.
The front wheel 23 and the rear wheel 25 travel on guide rails (not shown) laid inside the machine.

Further, the step 2 looks like an integral product as shown in FIG. 2, but when viewed from the back, as shown in FIG. 3, the left side is divided into a width W of about 1,000 mm. The divided step body 21B on the right side of the step body 21A is asymmetrically divided into a width Wa and a width Wb (Wa> Wb) avoiding the width center line Z, and these two are joined by the inner frame portions 2a and 2b. Are integrated with each other to form an integral step 2. In this case, the step 2 includes the split cleat 21a, the split riser 21aa, and the split step body 21B.
b, the split riser 21bb, and the inner frame portions 2a, 2b,
The outer frame portions 2aa and 2bb, the reinforcing portions 2c and 2d, etc. are separately and integrally formed as left and right divided steps 21A and 21B by a die casting machine for aluminum alloy. In the lateral direction of the steps 2, the outer shape is a substantially triangular structure as shown in FIG.

Here, the width dimension will be described in detail. To increase the width W, another width obtained by adding a desired increment width to the width Wb of the divided step body 21B is set based on the width Wa of the divided step body 21A. A wide step is obtained by fastening the divided step body with the bolt 2A. Conversely, when reducing the width W, the width Step Wa of the divided step body 21A is used as a reference and the divided step body 21A is used.
Another narrow divided step body obtained by subtracting a desired width from the width Wb of B is tightened with a bolt 21A to obtain a narrow step. That is,
Conventionally, two types of left-right asymmetrical molds were required to obtain the wide steps, and two types of right-left asymmetrical molds were also required to obtain the narrow steps. According to the present invention, a total of three types of molds, one for the split step body 21A and one for the wide split step or one for the narrow split step, can be used. Therefore, there is an advantage that the cost can be reduced to ３ of the conventional cost, and in this case, the left and right strength imbalance is eliminated by appropriately adding the reinforcing portions 2c and 2d.

In the above example, the split cleat 21a, the split riser 21aa, and the inner frame portion 2 of the split step body 21A are used.
a, the outer frame portion 2aa is an integrally molded product, but the invention is not limited to this, and the split riser 21aa, the inner frame portion 2a, and the outer frame portion 2aa
Although the separate cleats 21a, which are the most precise and the most expensive, can be provided separately, the use of the asymmetrical configuration provides a great advantage in terms of cost and equipment of the die casting machine. In the above example, step 2
Only the (with riser 22) is shown, but the same structure is used for the cleat of the tread sole (no riser 22 equivalent)
However, the same effect can be obtained by directly applying the divided treads and combining them.

[0010]

According to the present invention, steps or treads of various widths can be provided with a minimum cost and a minimum number of facilities using a minimum number of molds.

[Brief description of the drawings]

FIG. 1 is a perspective view of a passenger conveyor according to the present invention.

FIG. 2 is a front view of the step shown in FIG. 1;

FIG. 3 is a rear view of the single step shown in FIG. 2;

FIG. 4 is a side view as viewed in the direction of arrow A in FIG. 3;

FIG. 5 is a sectional view taken along the line BB in FIG. 3;

[Explanation of symbols]

2: Step, 21: Cleat, 21A, 21B: Split step body, 21a, 21b: Split cleat, W, Wa, Wb ...
Width.

Claims (2)

[Claims] 1. From one entrance to the other entrance,
In the one having a plurality of cleats of uneven teeth long in the traveling direction and steps for endlessly rotating and transporting passengers,
The width of the steps is different from each other, the shape is constituted by a split step body or a step body having an asymmetrical shape, and the step is divided into one step by joining the divided step bodies or the step boards. Steps on passenger conveyor. 2. The step according to claim 1, wherein the step has different widths of the cleats of the concave and convex teeth forming the upper surface thereof, and has a shape which is asymmetrical divided cleats. Steps on the passenger conveyor with cleats.