JP2003112881A - Steps on passenger conveyor - Google Patents

Abstract

(57) [Summary] [Problem] To provide a stepping body of a passenger conveyor capable of securing high strength by a measure for improving the composite strength of the stepping body component parts. SOLUTION: A cleat reinforcing body 31F for connecting between bracket bodies 33 is joined to a back side position of a cleat body 31, and further, a first riser reinforcing body for connecting between bracket bodies 33 to a back side position of an upper end portion of a riser body 32. 32F and a bracket 33 at the lower end of the riser 32.
Second and third riser reinforcements 32N, 3 connecting the
7 and the cleat reinforcing member 31F, the first riser reinforcing member 32F, and the bracket body 33 are fixed, while the second and third riser reinforcing members 32N, 37 and the bracket body 33 are fixed. Fixed configuration.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a step body of a passenger conveyor such as an escalator or a moving walkway.

[0002]

2. Description of the Related Art As a measure against the strength of a step body, for example, the entire structure (first known example) according to JP-A-60-44483 and the lower end portion of a riser body according to JP-A-57-180579 are disclosed. The configuration (second known example) and the like are known. Further, as a measure for increasing the safety of the step body, for example, a configuration according to Japanese Patent Laid-Open No. 9-208167 (third known example) is known.

[0003]

The above-mentioned first known example is
There is no mention of a specific means for increasing the overall strength even if these three bodies are combined only by disclosing the arrangement of the cleat body, the riser body and the bracket body and the welding means. Further, the above-mentioned second known example only discloses the means for increasing the strength of the lower end portion of the riser body, and does not refer to any specific means for increasing the overall strength of the three bodies. Furthermore, the third known example is
It is a safety measure that relies on a supplementary means of a slip agent, and there was no mention of eliminating accidents by physical means.

One of the objects of the present invention is to provide a step body of a passenger conveyor which can ensure a high strength by a measure for improving the combined strength of the step body constituent parts.

Another object of the present invention is to provide a step body of a passenger conveyor which can physically prevent the step body from being lifted up when foreign matter is caught between the adjacent step bodies to improve safety. Especially.

[0006]

According to claim 1 of the present invention,
A horizontally disposed cleat body, a rear end portion and an upper end portion of the cleat body that are connected to each other, and a riser body that has a convex curved surface portion and extends downward, and the cleat body and the riser body that have the widths thereof. In a step body of a passenger conveyor comprising a pair of left and right substantially triangular bracket bodies supported at both ends in the direction, a cleat reinforcing body that connects the bracket bodies is joined to a position on the back side of the cleat body, and further, Second and third riser reinforcements that join the first riser reinforcement that connects the bracket bodies to the backside of the upper end of the riser body and that connect the bracket bodies to the lower end of the riser body And fixing each of the cleat reinforcement, the first riser reinforcement and the bracket body, while the second and third riser reinforcements and the bracket are fixed. There a fixed configuration of each packet body. According to a second aspect of the present invention, a concave curved surface portion of the convex curved surface portion opposite to the riser body is provided on a rear surface of the bracket body to form a space portion, and the second space is formed in the space portion.
The configuration is such that the bending reinforcement portion of the riser reinforcement body is arranged.

Further, in claim 3 of the present invention, the lower end of the second riser reinforcement and the one end of the third riser reinforcement form a U-shaped reinforcement portion projecting to the surface side of the riser body. It is as a configuration.

Further, according to a fourth aspect of the present invention, one end of the third riser reinforcement body is formed with a floating prevention portion so as to overlap with the lower side of the cleat body of the adjacent step body. .

According to the first aspect of the present invention, the riser body is applied to the impact and concentrated load caused by the pedestrians on the step body, which are customary in the escalator type passenger conveyor, particularly to the riser side of the rear part of the step body. The cleat reinforcement, the first riser reinforcement, and the bracket body are integrally fixed at the upper end, and the second and third riser reinforcements and the bracket body are fixed at the lower end. Since the body is integrally fixed, the strength can be increased by the combined strength of the three-body united body.

According to the second and third aspects of the invention, a bracket-shaped reinforcing portion is formed in the space provided in the bracket body and the riser body by the bending reinforcement body of the second riser reinforcement body, and the bracket is formed. Since the three bodies are integrally fixed, the strength can be increased by the combined strength of the three bodies.

Further, according to the structure of the fourth aspect, since the third riser reinforcement body and the cleat body of the adjacent step body overlap each other in the vertical direction, the floating preventing portion is formed. It is possible to prevent an accident that the shoe tip is caught between the step bodies due to the physical blocking of the shoe.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a conceptual side view of the vicinity of the upper portion of a passenger conveyor showing one embodiment of the present invention, FIG. 2 is a rear view of the step body alone shown in FIG. 1, and FIG. 3 is a line II of FIG. FIG.

In the figure, an escalator 1 which is a kind of passenger conveyor is installed from a lower floor (not shown) to an upper floor F, and a large number of step bodies 3 which are connected to an endless chain 2 and move. The moving body of the handrail 4 that moves in synchronization with the step body 3 is a system for transporting passengers. Further, these moving bodies are driven by the rotation of a driving vehicle 10 via a driving chain 9 from a driving machine 8 composed of a motor 6 and a speed reducer 7 which are rotated by an electric command of the control device 5, and are respectively guided by guide rails 11 and It is a mechanism to move along the balustrade 12.

The step body 3 includes a horizontally disposed cleat body 31 and a riser body 32 having one end connected to the rear end portion 31A of the cleat body 31 and having a convex curved surface portion 32A and extending downward. , A pair of left and right bracket bodies 33 that support the cleat body 31 and the riser body 32 at their widthwise ends. In addition, cleat 3
1 front end 31B side and the lower end 32B of the riser body 32
A front wheel 34 and a rear wheel 35, each of which is pivotally supported by a main shaft 34A and a main shaft 35A, are provided on the side, that is, the front end portion 33A and the lower end portion 33B of the bracket body 33. It is a structure that moves above and changes direction under the boarding / alighting floor 13.

The details of the cleat body 31 which constitutes the step body 3 of the present invention are as follows.
C is provided, and a rear caution band 31D is provided at the rear end 31A.
The front end portion 31B is provided with a front caution band 31E, which contributes to ensuring the safety of passengers by meshing with the front end of the boarding / alighting floor 13 and displaying a caution. A cleat reinforcing member 31F is fixed to the rear side positions of the rear end portion 31A and the front end portion 31B of the cleat member 31 by welding means or the like. It is fixed integrally by fastening means.

Further, in detail of the riser body 32 which constitutes the step body 3 of the present invention, the convex curved surface portion 32A of the surface thereof is provided with a large number of convex and concave portions 32C, and the bent portion 32E of the upper end portion 32D is rearward. Fits in the band 31D, and its upper end 3
At the back side position of 2D, a first riser reinforcement 32F is provided along a convex curved surface portion 32A with a hanging side 32G fixed by welding means, and an upper side 32H sandwiched between the cleat reinforcement 31F and the bracket body 33. It is configured and provided.

On the other hand, the lower end portion 32B of the riser body 32 has an upper end portion 32J which is fixed along the convex curved surface portion 32A by welding means or the like, and a bending reinforcement portion 32K which reinforces the upper end portion 32J. A second riser reinforcement 32N having a vertical side 32L and a bending reinforcement 32M for reinforcing the same is continuously provided. In addition, a U-shaped reinforcing portion 32P protruding toward the front surface side of the riser body 32 is formed at the lower end portion 32B together with the bending reinforcing portion 32M, while the third riser reinforcing body 37 constituting the rising prevention portion 37A is formed. Are provided, and these first and second riser reinforcement bodies 32 are provided.
N and 37 and the bracket body 33 are integrally fixed by a coupling means using bolts 38.

The bending reinforcing portion 32K is a riser 3 having a convex curved surface portion 32A on the rear surface of the bracket body 33.
It is possible to exist by providing the concave curved surface portion 33C in the direction opposite to 2 and forming the space portion Q, thereby increasing the strength of the lower end portion 32B. In addition, the presence of the third riser reinforcement 37 enhances the strength of the lower end portion 32B due to the synergistic effect of the third riser reinforcement 37 and the U-shaped reinforcement portion 32P, and of course, the floating prevention portion protruding as the U-shaped reinforcement portion 32P. When the step body 3 tries to float with the shoe tip or the like sandwiched in the gap X and 37A has an arrangement relationship in which 37A overlaps the lower side of the cleat body 30A of the adjacent step 30, the rising prevention portion 37A is indicated by the arrow Y. By contacting the cleat body 30A and physically preventing abnormal rising, the safety of passengers is increased.

The step body 3 having the above structure is
The rear end portion 31A of the cleat body 31 that receives the concentrated load and the riser body 32 that supports the cleat body 3 are provided at the upper end portion 32D of the riser body 32, which includes the cleat reinforcement body 31F, the first riser reinforcement body 32F, and the bracket body 33. The bodies are united by the fastening means by the bolts 36, and higher strength can be provided due to their combined strength. On the other hand, the lower end 32B that finally bears the load generated in the upper end 32D.
In the above, the three bodies of the second and third riser reinforcing bodies 33N and 37 and the bracket body 33 are united by the fastening means by the bolt 38, and high strength can be provided due to their combined strength. Further, the bending portion strength 32M,
32N and the U-shaped reinforcing portion 32P additionally contribute to increasing the strength of the lower end portion 32B, and contribute to increasing the safety of passengers due to the effect of preventing the rising of the step 3 by the rising prevention portion 37A.

In addition, the bending reinforcement portion 41 is provided on the upper side 32H.
It is also possible to further increase the strength by adding a bending reinforcement portion 42 to the vertical 32G by utilizing the space portion Q. Although the escalator 1 has been described as an example of the passenger conveyor in the above, the present invention is not limited to this and can be applied to the case of a moving sidewalk using the step body 3 of a similar form.

[0022]

As described above, according to the step body of the present invention, higher strength can be secured by the measure for improving the combined strength of the step structure. Further, when a foreign object is sandwiched between the adjacent step bodies, the step body can be physically prevented from rising and safety can be ensured.

[Brief description of drawings]

FIG. 1 is a conceptual side view near an upper portion of a passenger conveyor showing an embodiment of the present invention.

FIG. 2 is a rear view of the step body alone shown in FIG.

3 is a cross-sectional view taken along the line EE of FIG.

[Explanation of symbols]

1 escalator (passenger conveyor) 3,30 step body 30A, 31 cleat 31A rear end 31B front end 31F Cleat reinforcement 32 riser body 32A convex curved surface 32B lower end 32D upper end 32F 1st riser reinforcement 32M bending reinforcement 32N Second riser reinforcement 32K bending reinforcement 32P U-shaped reinforcement 33 bracket body 33C concave curved surface 37 Third Riser Reinforcement 37A Lift prevention unit Q space section

Claims (4)

[Claims] 1. A horizontally arranged cleat body, a riser body which has a convex curved surface portion and which extends downward with a rear end portion and an upper end portion thereof connected to each other, and the cleat body and the riser body. In a step body of a passenger conveyor comprising a pair of left and right substantially triangular bracket bodies for supporting the brackets at both ends in the width direction thereof, a cleat reinforcing body for connecting the bracket bodies is joined to a position on the back side of the cleat body. In addition, a first riser reinforcing body that connects between the bracket bodies is joined to a rear side position of an upper end portion of the riser body, and second and third portions that connect between the bracket bodies are connected to a lower end portion of the riser body. Three
Of the riser reinforcement body and fixing the cleat reinforcement body, the first riser reinforcement body and the bracket body, respectively, while the second and third riser reinforcement bodies and the bracket body are formed, respectively. The step body of the passenger conveyor, which is fixed. 2. The rear surface of the bracket body is provided with a concave curved surface portion of the convex curved surface portion opposite to the riser body to form a space portion, and the second riser reinforcement body is bent in the space portion. The step body of the passenger conveyor according to claim 1, wherein a reinforcing portion is arranged. 3. The U-shaped reinforcing portion protruding toward the surface side of the riser body is formed by the lower end of the second riser reinforcing body and one end of the third riser reinforcing body. Alternatively, the step body of the passenger conveyor according to claim 2. 4. The rising prevention portion is formed as an arrangement relationship in which one end of the third riser reinforcement body overlaps with a lower side of a cleat body of an adjacent step body. The step body of the passenger conveyor described in Crab.