JPH11240685A - Passenger conveyor guide device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a passenger conveyor guide device that uses guide rollers that are never braked and are guided by guide rails reliably. SOLUTION: The guide device is used for a passenger conveyor in which a plurality of pallets connected to one another in an endless manner with coupling members circulate in a route looped in a horizontal plane along guide rails laid on the loop route. A guide roller, which is adapted to rotate on a vertical shaft 2 projecting downward from the footboard of each pallet and travel between two guide rails 5 and 6 laid with a constant interval therebetween that guide it, is constituted of two or an upper and lower guide rollers 3 and 4. The upper guide roller 3 is brought into contact with only the guide rail 5 laid on one side, while the other lower guide roller 4 with only the guide rail 6 laid on the other side.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention
The present invention relates to a guide device for a passenger conveyor in which a plurality of pallets, which are connected endlessly to each other through a path formed in the form of a loop, are circulated along guide guide rails provided on the path.

[0002]

2. Description of the Related Art Passenger conveyors are known to include a horizontally moving moving sidewalk that moves only in the horizontal direction and a vertically moving escalator that moves up and down in an oblique direction. In general, the transport route is a straight route, and the transport route may be an arbitrary combination of a straight line and a curved line, or may be a combination of a horizontal route and a diagonal ascending / descending route. Those that have not been put to practical use.

[0003] Further, the conventional passenger conveyor uses a system in which a passenger is conveyed on the upper surface of a tread plate constituting the conveyor, and the tread plate is turned over at a down entrance and returned to an entrance or an exit, so that the tread plate is returned to the entrance. In the meantime, the treads have not contributed any passengers.

Accordingly, the present inventors have proposed a passenger conveyor in which a transfer route can be set arbitrarily and a tread plate can always contribute to the transfer of passengers in Japanese Patent Application No. 9-275357.

[0005] This passenger conveyor comprises running wheels, guide rollers.
A pallet provided with a pallet and a tread portion, the passenger conveyor being conveyed along an endless traveling rail and a guide rail, wherein the tread portion has an upper portion of the pallet and front and rear ends thereof are formed in a curved shape. A joint body attached to the lower surface of the tread plate portion and provided with a shaft system that allows vertical movement, lateral swing, and horizontal rotation of the pallet; and a pallet having one end attached to the lower surface of the tread plate portion and the other end adjacent thereto. And a connecting rod attached to the joint body, wherein the pallet is connected endlessly and moves.

[0006] The characteristic feature is that the running wheel and the guide roller are mounted on the lower surface of the tread plate portion via supporting legs of a predetermined length, and the running wheel and the guide roller are directly connected to the tread plate portion. Having a pallet dedicated to the flat path attached to the lower part of the
The guide rail is guided by one or two rails.

The following describes a conventional passenger conveyor guide device including the above-described guide rollers and guide rails.

(1) One Guide Roller In this guide device, as shown in FIG. 3, one guide roller 21 is connected below the stepping plate 23 of the pallet 22. Vertical axis 2 connected to rod 24
5 and is guided while traveling in contact with two guide rails 26a and 26b provided at equal intervals.

In FIG. 3, reference numeral 27 denotes a traveling wheel of the pallet 22, reference numeral 28 denotes a traveling rail of the traveling wheel 27, and reference numeral 29 denotes a drive chain of the pallet 22.

(2) Two Guide Rollers In this guide device, two guide rollers 21a and 21b are provided below the step plate 23 of the pallet 22 as shown in FIG. Around the two vertical shafts 25a and 25b connected to the supporting leg 30, and one of the guide rollers 21a is one of the two guide rails provided at equal intervals. While contacting the guide rail 26a, the other guide roller 21b advances while being guided while contacting the other guide rail 26b.

In FIG. 4, reference numerals 27a and 27b denote running wheels of the pallet 22, reference numeral 29 denotes a drive chain of the pallet 22, and reference numerals 31 and 32 denote running wheels 27a and 27.
b Each supporting leg.

[0012]

However, the conventional passenger conveyor guide device described above has the following problems.

(1) With One Guide Roller The outer diameter of the guide roller 21 is designed to be smaller than the distance between the two guide rails 26a and 26b so that traveling is easy. Have been. Therefore, the guide row
As shown in the front view of FIG. 5 (a) and the plan view of FIG. 5 (b), the ra-21 comes into contact only with the guide rail 26a, and at the other moment, as shown in FIG. 5 (c). As shown in the front view of FIG. 5 and the plan view of FIG.

That is, considering the case where the guide roller 21 advances in the direction shown by the arrow, the guide roller 21
Rotates counterclockwise when it is in contact with the guide rail 26a as shown in FIG. 5B, and is clockwise when it is in contact with the guide rail 26b as shown in FIG. 5C. Will rotate.

When switching from clockwise to counterclockwise or from counterclockwise to clockwise, the guide roller is in a state of rubbing against the guide rail, that is, a state in which the guide roller does not roll. Guide roller
Alternatively, the guide rails are worn and noise is generated, giving passengers discomfort.

(2) Two Guide Rollers Since the guide roller contacts only one of the guide rails, the phenomenon unlike the case of one guide roller does not occur. . However, as shown in FIG. 6, the connecting pin 40 and the guide rollers 21a and 21b
Is not perpendicular to the guide rails 26a and 26b, the pallet rotates around the connecting pin 40 connecting the pallets, and the riding comfort becomes poor or the connecting pin becomes excessively large. When a load acts, the transport resistance may increase.

The present invention has been made to solve the above-mentioned problems of the prior art, and provides a passenger conveyor guide device capable of stably transporting a plurality of connected pallets. It is intended to be.

[0018]

SUMMARY OF THE INVENTION A passenger conveyor guide device according to the present invention comprises a plurality of pallets connected endlessly to each other by a connecting member through a loop formed in a horizontal plane. And a guide device for a passenger conveyor circulating along a guide guide rail provided on the path, wherein the guide device rotates around a vertical axis provided below a tread plate portion of each of the pallets, and is laid at equal intervals. A guide roller that travels while being guided between two guide rails is composed of two upper and lower guide rollers.
One guide roller comes into contact with only one of the two guide rails, and the other guide rail comes into contact with only the other of the two guide rails.

Also, the upper and lower two guide rollers are
The two guide rollers have the same center of rotation.

The center of rotation of the upper and lower two guide rollers is shifted vertically in a direction perpendicular to the guide rails.

Since the same guide roller rotates only in either the clockwise direction or the counterclockwise direction, a state in which the guide roller and the guide rail are rubbed does not occur.

Further, since the guide rollers are composed of two upper and lower guide rollers, the guide rollers are not prevented from being guided by the guide rails.

[0023]

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

FIG. 1 is a front view of a guide device for a passenger conveyor according to a first embodiment of the present invention. The guide device comprises two guide rollers -3 and 4 rotating around a vertical axis 2 connected to a support leg 1 provided below a pallet (not shown), and an upper guide roller -3. The guide rail 5 includes only a guide rail 5 that contacts only the guide rail 4 and a guide rail 6 that contacts only the lower guide roller 4.

The guide device will be described in detail.
So that the roller 5 contacts only the upper guide roller-3,
Les - Le height H ₁ of Gaidoro - with as high a height of La -3, Le - a portion cutout portion 5a of the lower half of the Le provided, under the Gaidoro - La -4 guide rail - Le 5 Avoid contact with

The guide rail 6 is provided with a lower guide rail.
So as to contact only La -4 les - are lowered until the height of the La 4 - Le height H ₂ Gaidoro.

Since the guide device is constructed in this manner, the guide rollers 3 and 4 rotate only in one of the clockwise and counterclockwise directions. Does not brake the pallet.

Further, since the guide rollers -3 and 4 are arranged vertically, the guide rollers are always guided by the guide rails.

Therefore, the traveling of the passenger conveyor can be performed stably without giving any discomfort to the passenger.

FIG. 2 is a front view of a guide device for a passenger conveyor according to a second embodiment of the present invention. The guide device includes an upper guide roller 13 that rotates around a vertical axis 12a connected to a support leg 11 provided below a pallet (not shown), and is orthogonal to the guide rail from the vertical axis 12a. It comprises a lower guide roller 14 which rotates about a vertical axis 12b slightly shifted in the axial direction, and left and right guide rails 15 and 16.

With this construction, the upper guide roller 13 contacts only the left guide rail 15 and the lower guide roller 14 contacts only the right guide rail 16.

Therefore, the guide rollers 13 and 1
4 rotates only in one of the clockwise and counterclockwise directions, so that the pallet is not braked by pulling the guide roller.

The guide rollers 13 and 14 are
Since the guide rollers are arranged vertically, the guide rollers are always guided by guide rails.

Therefore, the traveling of the passenger conveyor can be performed stably without giving the passenger discomfort.

[0035]

According to the present invention, the guide roller can be guided to the guide rail stably and with high accuracy while always rolling the guide roller in a fixed direction, so that passengers feel uncomfortable. And the transport resistance does not increase.

[Brief description of the drawings]

FIG. 1 is a front view of a guide device for a passenger conveyor according to a first embodiment of the present invention.

FIG. 2 is a front view of a guide device for a passenger conveyor according to a second embodiment of the present invention.

FIG. 3 is a conventional guide device having one guide roller.

FIG. 4 is a conventional guide device having two guide rollers.

FIG. 5 is an explanatory view of a problem in the case where a conventional guide roller is provided with one piece, and FIG. 5 (a) is a front view showing a state where the guide roller is in contact with one guide rail; Is a plan view showing a state in which the guide roller is in contact with one guide rail, (c) is a front view showing a state in which the guide roller is in contact with the other guide rail, and (d) is a guide roller. FIG. 9 is a plan view showing a state where-is in contact with the other guide rail.

FIG. 6 is an explanatory diagram of a problem in the case where there are two conventional guide rollers.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Support leg 2 Vertical axis 3 Guide roller 4 Guide roller 5 Guide rail 5a Notch of guide rail 6 Guide rail 11 Support leg 12a Vertical axis 12b Vertical axis 13 Guide roller 14 Guide roller -15 Guide rail 16 Guide rail

Claims (3)

[Claims] 1. A path formed in a loop shape in a horizontal plane and a plurality of pallets connected endlessly to each other by a connecting member along a guide rail provided on the path. A guide device for a circulating passenger conveyor,
A guide roller that rotates about a vertical axis provided below the tread portion of each pallet and travels while being guided between two guide rails laid at equal intervals.
Is composed of two upper and lower guide rollers, one guide roller being only one of the two guide rails, and the other being one of the two guide rails. A guide device for a passenger conveyor, wherein the guide device contacts only the other side. 2. The passenger conveyor guide device according to claim 1, wherein the upper and lower two guide rollers are two guide rollers having the same center of rotation. 3. The passenger conveyor guide device according to claim 1, wherein the center of rotation of the upper and lower two guide rollers is vertically shifted in a direction perpendicular to the guide rails.