JPH0635314B2 - Man conveyor tread - Google Patents

Description

Description: FIELD OF THE INVENTION The present invention relates to a man conveyor such as an escalator or an electric road, and particularly, to increase the strength of a tread on which a user rides, and not only for transporting personnel but also for carrying heavy objects. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a passenger conveyor tread suitable for use and its supporting structure.

[Background of the Invention]

As a transporting machine used for transporting personnel, a well-known escalator facility and a horizontal or gently sloping electric road are known. This electric road type man conveyer is frequently used as an auxiliary facility at a railway station, a transportation facility in an airport or a shopping center, and has a function of mass transportation in various fields.

Nowadays, passenger conveyors, especially those of electric road type, are often used for transporting heavy luggage such as passenger luggage at airports and shopping carts at shopping centers. It is no longer possible to follow the strength, safety, and life of the product with only a dedicated design concept.

7 to 9 show a basic form of a conventional passenger conveyor. This passenger conveyor 1 is one in which endless treads 2 and handrails 3 are both rotatable, and main members such as a balustrade 4, a boarding / alighting floor 5, a drive vehicle 6, and a main frame 7 are arranged. In the example of FIG. 7, the passenger M pushing the carrier 8 is carrying a heavy load. 8 and 9 show the detailed structure of the tread plate 2 and its surroundings. The tread surface 2a is a reinforcing member 2b provided on the rear surface, front and rear beams 2c and 2d, and the frame 2 on both sides.
While the strength is maintained by e, rolling guide rollers 2f provided on the outside of the frame 2e run on guide rails 9 and 10 that support the rollers.

In the examples of FIGS. 8 and 9, the lateral width W of the tread 2 is approximately 1
The space is about two meters and is a parallel type with two passengers. However, at a station or airport where passengers carry large luggage, even one passenger has a narrow space, and expansion of the width W thereof is desired. This request for widening is in line with the increase in the amount of transportation and efficiency, and the human psychology of wanting to keep luggage close, and commercialization is an urgent task.

To meet the above-mentioned demand, Japanese Patent Laid-Open No. 172181/1983
There is a gazette. The one disclosed in this publication is the tread 2
A guide roller and a guide rail corresponding to the guide roller are added to the central portion in the width direction of the tread plate 2. When the central portion of the tread 2 receives an excessive load, the added guide roller and the guide rail bear the load. ing.

However, in the above configuration, the reinforcement body 2b and the front and rear bases 2c and 2d are increased in rigidity with the expansion of the lateral width W, so that the weight of the tread is increased (load on the drive system), and the additional guide roller However, due to lack of practical consideration such as unbalance of support part and lack of strength, it has not been commercialized yet.

In the most recent example, the tread surface 2a is a thin plate corrugated body having the same structure as in FIGS. 8 and 9, and the reinforcing body 2b is provided on the back surface thereof.
The structure with is also in practical use. In this structure, when the lateral width W is expanded, since the tread surface 2a is a thin corrugated body and has low rigidity, the reinforcing body 2b is enlarged or the number of the reinforcing bodies 2 is increased to improve the overall rigidity. It was necessary to increase the height to cope with the increase in load due to widening. Therefore, there is a problem to be improved that the weight of the tread increases significantly.

[Object of the Invention]

The present invention is mainly an electric road type man conveyor, and a tread with increased strength and width while supporting the weight reduction of the tread and its supporting structure, and a multipurpose man conveyor suitable for transporting heavy objects, etc. It was made to provide.

[Outline of Invention]

The present invention includes an endless tread having a tread surface, a reinforcing member, and a front and rear base, guide rollers provided on both sides of the tread, and guide rails for supporting the travel of the guide roller. In this case, a bracket fixed to the front and rear bases and a support such as a guide roller attached to the bracket are provided at a substantially central portion in the width direction of the tread, and a guide rail for supporting the support is provided. It is provided below the support.

Example of Invention

 An embodiment of the present invention will be described below with reference to the drawings.

1 to 3, the tread surface 10a of the tread plate 10 is formed of a thin corrugated body to reduce the weight, while the back surface of the tread surface 10a is integrally fixed to the tread surface 10a, and the same as the conventional one. The front and rear beams 10c and 10d, the flume 10e, the guide rollers 10f, and the guide rails 40 are provided on the front and rear beams 10c and 1d at the substantially central portion in the width direction between the frames 10e on both sides.
Bracket 20 fixed to 0d is provided on which tread 10
It is characterized in that a support body composed of the rolling rollers 21 is arranged to support the above, and a support rail 30 for supporting and guiding this is provided.

That is, when a large load acts on the tread plate 10 by a large number of people getting on the tread surface 10a or by putting a heavy object on it, the reinforcing body 10b and the front and rear beams 10c, 1c as in the conventional case.
0d, the frame 10e, the guide roller 10f, and the guide rail 40, the bracket 20 newly provided in the present invention applies the load acting on the central portion to the front and rear beams 10c,
The amount of deformation of the tread 10 (the amount of subsidence) is effectively dispersed in 10d.
Keep it small. Further, when a larger load acts to increase the deformation amount (sink amount) of the tread plate 10, the outer circumference of the rolling roller 2 arranged in the bracket 20 is made of rubber.
The support rail 30 is configured to support the load through the support body of 1.

By providing the bracket 20 in this way, the tread 10
Even if the size is increased, the reinforcement body 10b, the front and rear beams 10c, 1
0d, tread 10a without enlarging frame 10e
The amount of deformation of can be kept within a certain allowable value.

Further, as shown in FIG. 4, the rolling portion of the rolling roller is a steel rolling roller 21a having no rubber, and instead, a rubber plate 30a having an interference effect is arranged on the surface of the guide rail 30b to roll the rolling roller 21a. The productivity of the moving roller 21a may be increased.

Further, as shown in FIGS. 5 and 6, the bracket 2
The same effect can be obtained by providing a support body formed of a convex sliding body 21b instead of the rolling roller 21 and a guide rail 30c for supporting and guiding the rolling roller 21 on the bottom of 0b.

If the guide rail 30c is made of an ultra high polymer plastic material having a small friction coefficient and an interference effect, the effect will be more beneficial.

[Advantages of the Invention] According to the present invention described above, a remarkable effect that a tread having increased strength and width can be obtained while achieving weight reduction can be expected.

[Brief description of drawings]

1 to 6 are views showing an embodiment of the present invention.
The figure is a perspective view of the footboard and the guide rail of the passenger conveyor, FIG. 2 is a sectional view taken along the line I-I of FIG. 1, and FIG. 3 is of FIG.
A sectional view taken along line II-II, FIG. 4 is a perspective view showing another embodiment of the rolling roller and the support rail, and FIG. 5 is a sectional view corresponding to FIG. 3 showing another embodiment, and FIG. Figure is an enlarged view of the main parts of Figure 5, Figure 7 is an overall side view of the man conveyor, and Figure 8 is the first section.
FIG. 9 is a perspective view of a conventional tread plate and a guide rail corresponding to the figure, and FIG. 9 is a sectional view taken along the line III-III in FIG. 10a, 2a ... Tread surface, 10c, 10d, 2c, 2d ...
... Beam, 10e, 2e ... Frame, 10f, 2f ...
... guide rollers, 40, 10 ... guide rails, 20 ... brackets, 21 ... rolling rollers, 30 ... support rails,
21b ... Sliding body.

Claims (3)

[Claims] Claims: 1. An endless tread, front and rear beams arranged to support the treads of the tread, front and rear beams, frames arranged on both sides of the tread, and both outsides of the frame. A guide roller provided on the guide rail, a guide rail for supporting and guiding the guide roller, and the like, a bracket fixed to the front and rear beams at a substantially central portion in the width direction of the tread, and a bracket fixed to the bracket. And a guide rail disposed below the support body. 2. The tread of a passenger conveyor according to claim 1, wherein the tread of the tread is a thin corrugated body. 3. The footboard of the passenger conveyor according to claim 1, wherein the support body is a sliding body fixed to the bracket portion.