JPS638038B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION This invention relates to the construction of a circular passenger conveyor.

A circular passenger conveyor has an endless conveyance path on a main frame that is arc-shaped in a horizontal projection plane, and a large number of treads each having a fan-shaped plane are arranged in series on this conveyance path and are connected by a tread chain. A row of treads is provided. Then, the treadle rows are circulated along the conveyance path to transport passengers, but when the treadle rows move, a component of tension acts on the treadle chains in the direction of the center of the transport path arc, which impedes the smooth movement of the treadleboards. There is a problem that vibrations occur in the treads, causing discomfort to passengers.

The present invention solves the above-mentioned drawbacks, and aims to provide a circular passenger conveyor in which the treads move smoothly along a predetermined path by supporting the component force in the direction of the center of the circular arc of the conveyance path that occurs on the row of treads.

An embodiment of the present invention will be described below with reference to FIGS. 1 to 4.

In the figure, reference numeral 1 denotes the main frame of a circular passenger conveyor, which is arranged in an arc shape centered on point A on a horizontal projection plane and inclined. Reference numeral 2 denotes a conveyance path formed in the main frame 1, in which an outgoing path 2a is formed on the top side of the main frame 1, a reversing portion 2b is formed on the end of the main frame 1, and a return path 2c is formed on the bottom side of the main frame 1. . Reference numeral 3 denotes a step board having a fan-shaped plane and a large number of which are successively arranged on the conveyance path 2; 3a is a shaft pivotally connected to this step board and having its longitudinal end in the width direction;
3b is a front wheel pivotally supported at both ends of the shaft 3a;
3c is a rear wheel pivotally supported by the treadle 3, 4 is an inner treadle chain provided inside the circular arc of the conveyance path 2 of the footboard 3 and arranged along the conveyance path 2, and 4a is a part of this and is a shaft. The link piece 3a is fixed to the link piece 3a, and 4' is an outer tread chain provided outside the circular arc of the conveyance path 2 of the tread plate 3 and arranged along the conveyance path 2, and 4'a is a part of this, and the shaft 3a A link piece 5 is pivotally connected to the tread plate 3, and a tread row consisting mainly of the inner and outer tread chains 4, 4'; 6 is a link piece provided on the main frame 1 and arranged along the conveyance path 2; front wheel rail that guides the
7 is a rear wheel rail provided on the main frame 1 and arranged along the conveyance path 2 to guide the rear wheel 3c; 8 is provided at the end of the shaft 3a near the center of the circular arc of the conveyance path 2 and is placed on the surface of the conveyance path 2. A guide device 9 consisting of a side wheel pivotally mounted on a shaft 8a orthogonal to the main frame 1 is provided on the main frame 1 and
This is a side rail arranged along the guide tool 8 closer to the center of the arc of the conveyance path 2, that is, closer to the point A.

That is, the tread row 5 has inner and outer tread chains 4, 4'.
is wound around a drive device (not shown) and driven by the drive device to circulate through the conveyance path 2. Further, since the shaft 3a is fixed to the link piece 4a of the inner tread chain 4, the guide tool 8 moves while maintaining a predetermined posture with respect to the tension line of the inner tread chain 4. The guide tool 8 is guided by the side rails 9, and the component of the tension of the tread plate row 5 acting toward the center of the circular arc of the conveyance path 2 when the tread plate row 5 moves is supported. Therefore, the treadle row 5 can be moved smoothly, and a circular passenger conveyor with good riding comfort can be obtained.

FIG. 5 shows another embodiment of this invention,
In the figure, the same symbols as in Figures 1 to 4 indicate corresponding parts,
4a is a link piece of the inner tread chain 4 pivotally connected to the shaft 3a, 10 is a support piece fixed to the link piece 4a,
8 is a guide supported by this.

That is, in this embodiment as well, the component force of the stepboard row 5 in the direction of the center of the circular arc of the conveyance path 2 is supported by the side rail 9 via the guide tool 8. It is clear that the same effect as the embodiment shown in FIG. 4 can be obtained.

FIG. 6 also shows another embodiment of this invention.
In the figure, the same symbols as in Figures 1 to 4 indicate corresponding parts,
Reference numeral 8 denotes a guide provided at the end of the shaft 3a near the center of the circular arc of the conveyance path 2, 8a is a guide mechanism provided on this and arranged in the direction along the surface of the conveyance path 2, and 9 is a guide mechanism provided in the guide groove 8a. Mated side rails.

That is, in this embodiment as well, the component force of the stepboard row 5 in the direction of the center of the circular arc of the conveyor belt 2 is supported by the side rail 9 via the guide tool 8. It is clear that the same effect as the embodiment shown in FIG. 4 can be obtained.

Note that the guide tool 8 in each of the embodiments shown in FIGS. 1 to 4, FIG. 5, and FIG. It is clear that the same effect as in each of the above-described embodiments can be obtained even if the guide is provided by the side rail 9 which is disposed closer to the center of the arc of the transport path 2 than the guide tool.

As explained above, the present invention constitutes a tread row consisting of a tread, a tread chain disposed on both sides of the tread, and a shaft provided on the tread and having both ends engaged with the tread chain. An endless conveyance path is operated in a circular manner on an arc-shaped main frame, and a guide device is provided on the shaft of the tread plate to support the load in the direction of the center of the conveyance path arc. The main frame is provided with a side rail that is placed on the side and guides the guide tool. As a result, the component force acting in the center direction of the arc of the conveyance path due to the tension of the tread row is supported by the side rails via the guide, and the tread row can be moved smoothly, creating a circular shape with good riding comfort. This realizes a passenger conveyor.

[Brief explanation of the drawing]

Figure 1 is a conceptual front view of a circular passenger conveyor, Figure 2 is a conceptual front view of a circular passenger conveyor;
The drawings are a plan view of Fig. 1, a diagram showing an embodiment of the circular passenger conveyor according to the present invention, and an enlarged view of the main parts of Fig. 2 conceptually showing mechanisms such as conveyance belts, and Fig. 4.
The figure is an enlarged view of a portion of FIG. 3, FIG. 5 is a view corresponding to FIG. 4 showing another embodiment of the circular passenger conveyor according to the present invention, and FIG. It is a figure equivalent figure. 1... Main frame, 2... Conveyance path, 2a... Outward path, 2
b... Reversing section, 2c... Return trip, 3... Stepboard, 3a
...shaft, 4...inner tread chain, 4'...outer tread chain,
5...Treadboard row, 8...Guide, 9...Side rail. In addition, the same parts or corresponding parts in the figures are indicated by the same reference numerals.

Claims (1)

[Claims] 1 A main frame having an arc shape in a horizontal projection plane, and an outward path formed by this main frame and having an arc shape on the top side of the main frame is at the end of the main frame, and an inverted part is on the bottom side of the main frame. An endless conveyance path in which the above-mentioned outward path and return path are opposite to each other are formed, and a large number of step boards having a fan-shaped plane are successively arranged on the above-mentioned transfer path, and each step board is arranged on both sides in the width direction of these step boards. a treadle chain, and a treadle row which is provided with a shaft attached to each of the treadboards, arranged along the width direction, and having both ends engaged with the treadle chain, and which is circulated through the conveyance path; The provided guide and
Provided on the main frame and disposed along the conveyance path and closer to the center of the conveyance path arc than the guide tool to guide the guide tool and support the component force of the stepboard row in the direction of the center of the conveyance path arc. Circular passenger conveyor with side rails.