JP2001226062A - Handrail device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a handrail device capable of circulating a handrail belt in stable condition. SOLUTION: This handrail device comprises a handrail 34 extending along a pallet moving route, an endless handrail belt 19 having a circumferentially extending groove 35 provided in the inner peripheral portion thereof, allowing the upper side of the handrail 34 to move in the pallet moving direction, and capable of being circulated inside the handrail 34 so as to be moved reversely, vertical rollers 36 disposed on the upper side of the handrail 34 parallel with each other in the pallet moving direction and having outer peripheral surfaces rolling in contact with the inner bottom surface of the groove 35 of the handrail belt 19, left side horizontal rollers 41 disposed on the upper side of the handrail 34 parallel with each other in the pallet moving direction and having the outer peripheral surfaces rolling in contact with the left side surface of the groove 35 of the handrail belt 19, and right side horizontal rollers 42 having the outer peripheral surfaces rolling in contact with the right side surface of the groove 35 of the handrail belt 19. The lateral swing of the handrail belt 19 can be suppressed by both horizontal rollers 41 and 42.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a moving handrail device used for moving walkways and escalators.

[0002]

2. Description of the Related Art FIG. 3 to FIG. 12 show an example of a moving sidewalk proposed in recent years. This moving sidewalk has two rails 11 arranged in a ring and a user can board. In addition, a large number of flat pallets 3 that can rotate clockwise along the rails 11, a chain 22 and an elastic buffer mechanism 25 that connect the adjacent pallets 3, and the pallets 3 are moved in the extending direction of the rails 11. There are provided screw rods 16, 24, 33 to be obtained, an entrance step 61 provided at a position where a user gets on the pallet 3, and an exit step 62 provided at a position where the user gets off the pallet 3.

First, referring to FIG. 3, FIG. 4, and FIG. 7 to FIG.
2 will be described.

The rail 11 comprises two linear transport sections 1A and 1B arranged in parallel and horizontally, a semicircular turning section 1C connected to one end of each of the transport sections 1A and 1B, and both transport sections. And a semicircular turning part 1D connected to the other ends of the parts 1A and 1B.

[0005] The rail 11 is laid on a gantry 23 erected on the base 14 for each predetermined portion.

[0006] The outside of the rail 11 on the outside in the radial direction of the turning parts 1C and 1D and the inside of the rail 11 on the inside in the radial direction,
A guide rail 12 bent in a semicircular shape is arranged along the rail 11.

[0007] A predetermined portion of the guide rail 12 is supported from above by a column 13 erected on a base 14 so as to be located outside the rail 11 of each guide rail 12.

[0008] Immediately above the turning parts 1C and 1D of the rail 11 and the guide rail 12, platforms 2A and 2B for getting on and off are disposed substantially horizontally so as to form a gap between the rails 11 and 12. Have been.

Next, the pallet 3 and the members attached to the pallet 3 will be described with reference to FIG. 3, FIG. 4 to FIG.

A projecting member 3a having a circular planar shape is fixed to the lower surface of the pallet 3, and a projecting member 3a of another pallet 3 adjacent to the front end is fitted to the front end of the pallet 3. A semi-circular recess 3b (see FIG. 6) that can be formed is formed.

A beam 5 extending in the width direction is fixed to the lower surface of the pallet 3 via a spacer 4 so as to be located in front of the projecting member 3a.

A running roller 6 is mounted on a lower surface of a portion near the rear end of the beam 5 via a bracket 7 so as to roll on the upper surface of the rail 11.

An upper end of an arm 8 having a substantially L-shape as viewed from the front and rear in the moving direction of the pallet 3 is fixed to both sides of the front end of the beam 5, and a bracket 9 is attached to the lower end of the arm 8. A roller 10 for correcting the inclination angle is mounted so as to be able to roll on the lower surface of the guide rail 12.

Further, the lower end of the beam 5 is fixed so that the upper ends of the two arms 15 are located between the left and right running rollers 6. Rollers 21 are mounted so as to be able to roll on opposing side surfaces of each rail 11.

The pallets 3 described above have a configuration in which the traveling roller 6 contacts the upper surface of the rail 11 and the
1 are arranged so as to be in contact with the side surface of the rail 11, and the rear ends of the respective pallets 3 overlap the front ends of the other pallets 3 adjacent to the rear side.

Thus, the approach and separation of the adjacent pallets 3 are allowed, and the rear end of each pallet 3 is supported by the following other pallets 3.

In the turning portions 1C and 1D of the rail 11, the adjacent pallets 3 approach and the roller 10 for correcting the inclination rolls on the lower surface of the guide rail 12, so that each pallet 3
Is tilted forward, and the recess 3b at the front edge of another pallet 3 following the pallet 3 is fitted to the projection member 3a.

Next, referring to FIG. 4, FIG. 7 to FIG.
The screw rods 16, 24, 33 will be described.

The screw rod 33 is disposed at a position closer to the upstream of the pallet 3 in the moving direction of the pallets 3 (portions closer to the swiveling parts 1C and 1D) of the rails 11 so as to be positioned in parallel between the left and right rails 11. ing.

The end of the screw rod 33 is pivotally supported by a bearing (not shown) provided on the extending base 23,
The motor is driven by a motor (not shown).

The pitch of the thread groove of the screw rod 33 is such that the pitch of the portion near the upstream of the pallet 3 in the moving direction is narrow, and the pitch gradually increases in the middle portion in the moving direction of the pallet 3. It is formed so that the pitch of the portion on the downstream side in the direction is wide and equidistant.

The screw rod 24 is disposed at an intermediate portion between the conveying sections 1A and 1B of the rail 11 so as to be positioned in parallel between the left and right rails 11.

The end of the screw rod 24 is pivotally supported by a bearing (not shown) provided on the gantry 23, and is driven by a motor (not shown).

The pitch of the thread groove of the screw rod 24 is equal to the pitch of the thread groove in the portion of the screw rod 33 on the downstream side in the moving direction of the pallet 3 (the pitch of the thread groove is wide and equal to the entire length of the rod). Part).

The screw rod 16 is disposed at a portion of the conveyors 1A and 1B of the rails 11 on the downstream side in the moving direction of the pallet 3 (portions of the turning parts 1D and 1C) so as to be positioned parallel to the left and right rails 11. ing.

The end of the screw rod 16 is
, And is driven by a motor (not shown).

The pitch of the thread groove of the screw rod 16 is gradually reduced toward the direction of movement of the pallet 3 at an even interval where the pitch of the portion closer to the upstream of the direction of movement of the pallet 3 is gradually increased. It is formed so that the pitch of the portion on the downstream side in the direction is narrow and at equal intervals.

At the lower end of a support 17 provided at the center of the lower surface of the beam 5 attached to each pallet 3, a moving roller 18 is provided.
Are pivotally supported so as to be located directly below the protruding member 3a described above.

When the screw rods 16, 24, 33 are rotated in a state where the transfer roller 18 is engaged with the screw groove, the transfer roller is moved in a direction corresponding to the rotation of the screw rods 16, 24, 33. 18 is sent out, whereby the pallet 3 moves along the conveyors 1A and 1B of the rail 11.

The pitch of the thread groove of the screw rod 33 and the number of rotations of the motor as the driving source are
After the pallet 3 in which the moving roller 18 is engaged with the thread groove of the pallet 3 moves at a constant speed (30 to 40 m / min) at a low speed,
The speed is gradually increased at an acceleration of 0.05 G or less, and high speed (9
(0-120 m).

The pitch of the screw grooves of the screw rod 24 and the number of rotations of the motor serving as the driving source are such that the pallet 3 in which the moving roller 18 is engaged with the screw grooves of the screw rod 24 has a high speed (90 min. (Up to 120 m).

Further, the pitch of the screw grooves of the screw rod 16 and the number of rotations of the motor serving as the driving source are such that the pallet 3 in which the moving roller 18 is engaged with the screw grooves of the screw rod 16 can operate at a high speed (90 min. After moving at a constant speed of about 120 m), the speed is gradually reduced at a deceleration of 0.05 G or less, and the moving speed is set at a low speed (30 to 40 m / min).

Next, the chain 22 and the elastic buffering mechanism 25 will be described with reference to FIGS.

The elastic cushioning mechanism 25 has a spring member 29 which is loosely fitted to the bolt 28 and can be compressed in the pallet 3 moving direction.
A first spring seat 27a which is axially movably externally fitted to a portion near one end of the bolt 28 and abuts one end of the spring member 29, and an end surface of the first spring seat 27a near the counter spring member. A first nut 28a screwed into the bolt 28 so as to be in contact therewith, and a second spring seat 26a fitted externally movably in the axial direction to a portion near the other end of the bolt 28 and in contact with the other end of the spring member 29; A second nut 28b screwed into the bolt 28 so as to contact an end face of the second spring seat 26a near the anti-spring member; and a bolt 28 screwed into contact with the second nut 28b. And a third nut 28c.

When the state of screwing of the second nut 28b with the bolt 28 is adjusted,
The protrusion length of the bolt 28 from the spring seat 26a changes.

The first spring seat 27a is provided integrally with an inner cylinder 27 which is located inside the spring member 29 and surrounds an intermediate portion of the bolt 28 in the circumferential direction.
Is integrally provided with an outer cylinder 26 surrounding the spring member 29 in a circumferential direction.

A plug 30 having a connecting fork 30a is inserted into the end of the outer cylinder 26 on the side opposite to the spring seat. The plug 30 is locked to the outer cylinder 26 by a spring pin 30b. I have.

One end of a link member 32 is connected to the fork portion 30a by a pin 32a.

The other end of the link member 32 is connected to the front end of the bracket 31 fixed to the arm 8 described above via a substantially horizontal pin 32b.

At the other end of the bolt 28, a connecting fork 28d is integrally formed.

The fork portion 28d includes the chain 22
The rear end of the bracket 22 is connected via a pin 22a, and the front end of the chain 22 is connected to the rear end of the bracket 31 via a substantially horizontal pin 22b.

Thus, the arm 8 attached to each pallet 3 and the arm 8 attached to another pallet 3 adjacent to the pallet 3 are connected to the bracket 31, the chain 22,
It is connected via an elastic buffer mechanism 25 and a bracket 31.

Therefore, the pallet 3 located between the screw rods 16 and 24 of the conveying sections 1A and 1B of the rail 11 or between the screw rods 24 and 33 is moved at a high speed (90 to 120 m / min) by the screw rods 16 and 24. )
, And is pulled by another pallet 3 moving at a constant speed.

Next, the entrance step 61 and the exit step 62 will be described with reference to FIG. 3, FIG. 9, FIG.

The entrance step 61 includes a portion (the pallet 3) near the turning portions 1C and 1D of the transport portions 1A and 1B of the rail 11.
(A portion near the upstream end in the moving direction), and is attached to the platforms 2A and 2B, and the exit step 6
Reference numeral 2 denotes turning parts 1D, 1 of the transporting parts 1A, 1B of the rail 11.
It is attached to the platforms 2B and 2A so as to reach a portion closer to C (a portion closer to the downstream end in the moving direction of the pallet 3).

The entrance step 61 and the exit step 62 are composed of a fixed step plate 64 formed integrally with the platforms 2A and 2B, and a shaft 66 extending horizontally in the width direction of the pallet 3 at the tip of the fixed step plate 64. And a movable tread plate 63 pivotally supported through the arm.

Further, the entrance step 61 and the exit step 62 are provided with a copying mechanism that can swing the movable tread plate 63 up and down about a shaft 66 in accordance with the shape of the upper surface of the pallet 3 passing thereunder. (Not shown).

The operation of the moving sidewalk shown in FIGS. 3 to 12 will be described below.

When the screw rods 16, 24, 33 are rotated by a motor (not shown), the screws of the screw rods 16, 24, 33 of the pallet 3 located at the conveying portions 1 A, 1 B of the rail 11 are rotated. The one in which the moving roller 18 is engaged with the groove is the screw rod 16,
It is sent in a direction according to the rotation of 24,33.

That is, the pallet 3 in which the moving roller 18 is engaged with the thread groove of the screw rod 16 moves at a low speed (30 to 40 m / min) at a constant speed and then gradually increases at an acceleration of 0.05 G or less. Speed, high speed (90-120 minutes per minute)
m), the interval between the pallets 3 gradually increases, and the overlap margin of the adjacent pallets 3 decreases.

The pallet 3 in which the moving roller 18 is engaged with the thread groove of the screw rod 24 moves at a high speed (90 to 120 m / min) at a constant speed.

Further, the pallet 3 in which the moving roller 18 is engaged with the thread groove of the screw rod 33 moves at a high speed (90 to 120 m / min) at a constant speed, and then gradually at a deceleration of 0.05 G or less. The pallets 3 are decelerated, move at a low speed (30 to 40 m / min) at a constant speed, the interval between the pallets 3 is gradually reduced, and the overlapping margin of the adjacent pallets 3 is increased.

In addition to this, the transport units 1A,
1B, the screw rod 1
The pallet 3 moving with the rotation of the screw rods 16, 24, 33 has elasticity in front of the pallet 3 in the moving direction. It is pulled through the buffer mechanism 25 and the chain 22.

At this time, the elastic buffering mechanism 25 buffers the tension acting on the chain 22, suppresses the deformation of the chain 22 caused by the repeated application of a large tension, and uses the elastic member mounted on the pallet 3. To reduce the impact on the elderly.

The above-mentioned chain 22 is connected to the following pallet 3
Except when towing, it becomes slack.

As a result, the pallet 3 moves from the platform 2A to the platform 2B in the transfer section 1A of the rail 11, and the pallet 3 moves from the platform 2B to the platform 2A in the transfer section 1B of the rail 11.

When the pallet 3 enters the turning sections 1D and 1C from the installation positions of the screw rods 33 of the conveying sections 1A and 1B of the rail 11, the roller 10 for correcting the inclination angle comes into contact with the lower surface of the guide rail 12, and the pallet 3 tilts forward. In this state, the recess 3b of another pallet 3 following the projection 3a of the pallet 3 is fitted.

That is, in the revolving parts 1D and 1C, the pallets 3 are fed by the following pallets 3 fed by the screw rods 33 from the conveying parts 1A and 1B.
A is pushed out sequentially.

When the pallet 3 moves from the turning sections 1C and 1D to the transport sections 1A and 1B, the contact of the inclination angle correcting roller 10 with the lower surface of the guide rail 12 is released, and the pallet 3 returns to a substantially horizontal state. , The transfer roller 18 is engaged with the thread groove of the screw rod 16 of the transfer units 1A and 1B to move the transfer units 1A and 1B.

Further, in the moving sidewalk described above, the rail 11
A moving handrail device capable of rotating an endless handrail belt 19 substantially in synchronism with the movement of the pallet 3 on both the left and right sides of the transport sections 1A and 1B, as shown in FIG. The handrail belt 19 is provided independently for each of the range, the high-speed movement range, and the deceleration range so that a user riding on the pallet 3 can grasp the handrail belt 19.

FIGS. 13 to 16 show an example of a conventional moving handrail device. The moving handrail device has a balustrade 34 having a hollow structure extending along the moving path of the pallet 3 and a circumferentially extending inner peripheral portion. An endless handrail belt 19 in which a groove 35 is formed and which can go around the balustrade 34 in the moving direction of the pallet 3 while traveling in the upper direction of the pallet 3, and can rotate around the inside of the balustrade 34 in a direction reverse to the moving direction of the pallet 3. A plurality of vertical rollers 36 arranged in a row in the moving direction of the pallet 3 and each outer peripheral surface of which rotates in contact with the inner bottom surface of the groove 35 of the handrail belt 19; And a plurality of horizontal rollers 37 whose outer peripheral surfaces rotate in contact with one of the left and right side surfaces of the groove 35 of the handrail belt 19.

The handrail belt 19 circulates substantially in synchronization with the movement of the pallet 3 by a drive mechanism (not shown).

The vertical roller 36 is pivotally supported by a bracket 38 fixed to the upper surface of the balustrade 34 via a support shaft 39 extending horizontally in the width direction of the pallet 3.

The horizontal roller 37 is pivotally supported by a vertically extending support shaft 40 erected on the upper surface of the balustrade 34.

The outer diameter of the horizontal roller 37 is set smaller than the distance between the left and right side surfaces of the groove 35 of the handrail belt 19 so that the outer peripheral surface of one horizontal roller 37 does not contact the left and right side surfaces of the groove 35 at the same time. Have been.

That is, in the moving handrail device described above, the inner bottom surface of the groove 35 of the handrail belt 19 that moves above the balustrade 34 is supported by the vertical roller 36 and the handrail belt 19
One of the left and right side surfaces of the groove 35 is guided by a horizontal roller 37.

[0067]

However, in the moving handrail device shown in FIGS. 13 to 16, one of the left and right side surfaces of the groove 35 of the handrail belt 19 is guided by horizontal rollers 37 arranged in a row on a balustrade 34. Therefore, when the handrail belt 19 easily swings right and left, and when the circumferential length of the handrail belt 19 is large or when the circumferential speed of the handrail belt 19 is high, the handrail belt 19 is easily lifted, and the groove of the handrail belt 19 is formed. 3
There is a concern that the edge of the opening 5 may be damaged by being rubbed against the lower surface of the horizontal roller 37.

The present invention has been made in view of the above circumstances, and has as its object to provide a moving handrail device capable of rotating a handrail belt in a stable state.

[0069]

According to a first aspect of the present invention, there is provided a moving handrail device, comprising: a balustrade having a hollow structure extending along a pallet moving path; An endless handrail belt having an extending groove formed therein and capable of traveling over the balustrade in the pallet moving direction while traveling in the pallet moving direction and reversing inside the balustrade with respect to the pallet moving direction. A plurality of vertical rollers, each of which is arranged side by side and each outer peripheral surface of which rotates in contact with the inner bottom surface of the groove of the handrail belt; A left horizontal roller that rotates in contact with the left side of the groove of the belt, and is arranged in a row in the pallet moving direction above the balustrade, and each outer peripheral surface is in contact with the right side of the groove of the handrail belt. And a right horizontal rotating rollers.

In the moving handrail device according to the second aspect of the present invention, in addition to the configuration of the moving handrail device according to the first aspect of the present invention, each of the left horizontal rollers is located near the front or rear of the pallet moving direction. The right horizontal roller is arranged.

In any of the moving handrail devices according to the first and second aspects of the present invention, the handrail belt is prevented from swinging rightward by the left horizontal roller contacting the left side surface of the groove, and the right hand side of the groove. The right horizontal roller in contact with the surface suppresses the handrail belt from running to the left.

In the moving handrail device according to the second aspect of the present invention, the right horizontal roller is positioned in front of or near the rear of the left horizontal roller in the pallet moving direction, and roller rotation is performed by enlarging the outer diameter of both horizontal rollers. Reduce the number.

[0073]

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

FIGS. 1 and 2 show an embodiment of a moving handrail device according to the present invention, in which the same reference numerals as in FIGS. 13 to 16 denote the same components. .

In the moving handrail device, a balustrade 34 having a hollow structure extending along the moving path of the pallet 3 and a groove 35 extending in the circumferential direction in the inner peripheral portion are formed. An endless handrail belt 19 that can rotate around the inside of the balustrade 34 in a direction opposite to the pallet 3 moving direction, and is arranged above the balustrade 34 in a line in the pallet 3 moving direction and each outer peripheral surface is handrailed. A plurality of vertical rollers 36 that rotate in contact with the inner bottom surface of the groove 35 of the belt 19, and are arranged in a line in the moving direction of the pallet 3 above the balustrade 34, and each outer peripheral surface is on the left side of the groove 35 of the handrail belt 19. A plurality of left horizontal rollers 41 rotating in contact with the surface, and arranged above the balustrade 34 in a line in the moving direction of the pallet 3 and each outer peripheral surface is formed by a groove of the handrail belt 19. And a plurality of right horizontal roller 42 which rotates in contact with the right side surface, said right side horizontal rollers 42
Are disposed at the closest position in front of or behind the left horizontal roller 41 in the pallet 3 movement direction.

The left horizontal roller 41 is pivotally supported by a support shaft 43 that is set up substantially vertically so as to be located slightly to the left of the center of the movement path of the handrail belt 19 on the upper surface of the balustrade 34.

The right horizontal roller 42 is pivotally supported by a support shaft 44 that is set up substantially vertically so as to be located slightly to the right of the center of the movement path of the handrail belt 19 on the upper surface of the balustrade 34.

In the moving handrail device shown in FIGS. 1 and 2, the inner bottom surface of the groove 35 of the handrail belt 19 which is driven by a driving mechanism (not shown) and moves above the balustrade 34 is moved by the vertical roller 3.
6, the left side surface of the groove 35 of the handrail belt 19 is guided by a left horizontal roller 41, and the right side surface of the groove 35 of the handrail belt 19 is guided by a right horizontal roller 42.

As a result, the left horizontal roller 41 in contact with the left side surface of the groove 35 prevents the handrail belt 19 from swinging to the right, and the right horizontal roller 42 in contact with the right side surface of the groove 35 becomes Suppress the swing to.

By positioning the right horizontal roller 42 in front of or near the rear of the left horizontal roller 41 in the direction of movement of the pallet 3, the outer diameters of the two horizontal rollers 41 and 42 can be set large, and the roller rotation can be performed. The number can be reduced.

It should be noted that the moving handrail device of the present invention is not limited to the above-described embodiment, but may be applied to an escalator instead of a moving sidewalk, and may be a range that does not depart from the gist of the present invention. It is needless to say that various changes can be made within.

[0082]

As described above, according to the moving handrail device of the present invention, the following various excellent effects can be obtained.

(1) In any one of the moving handrail devices according to the first and second aspects of the present invention, the handrail belt is prevented from swinging to the right by the left horizontal roller that is in contact with the left side surface of the groove. The right-hand horizontal roller in contact with the right side surface of the groove prevents the handrail belt from swaying to the left, so that the handrail belt can be rotated in a stable state.

(2) In the moving handrail device according to the second aspect of the present invention, the right horizontal roller is positioned in front of or near the rear of the left horizontal roller in the pallet moving direction, so that the outside of both horizontal rollers is provided. The roller rotation speed can be reduced by increasing the diameter.

[Brief description of the drawings]

FIG. 1 is a plan view showing an example of an embodiment of a moving handrail device according to the present invention.

FIG. 2 is a view taken in the direction of arrows II-II in FIG.

FIG. 3 is a conceptual diagram showing an example of a conventional moving sidewalk.

FIG. 4 is a side view showing a state of a pallet in a rail transport unit related to FIG. 3;

FIG. 5 is a side view showing a state of a pallet in a turning portion of the rail related to FIG. 3;

FIG. 6 is a plan view showing a state of a pallet in a turning portion of the rail related to FIG. 3;

FIG. 7 is a front view showing a state of a pallet in a transition part between a conveying part and a turning part of a rail related to FIG. 3;

FIG. 8 is a plan view showing a state of a pallet in a swivel unit related to FIG. 3;

FIG. 9 is a plan view showing the arrangement of rails and screw rods related to FIG. 3;

FIG. 10 is a partial plan view showing an arrangement of rails and guide rails related to FIG. 3;

FIG. 11 is a partial side view of FIG. 8;

FIG. 12 is a partially cutaway side view showing the elastic cushioning mechanism in FIG. 4;

FIG. 13 is a side view of an example of a conventional moving handrail device.

FIG. 14 is a partial plan view of FIG.

FIG. 15 is a cross-sectional view of a handrail belt near a vertical roller related to FIG. 13;

16 is a cross-sectional view of the handrail belt near the horizontal roller related to FIG.

[Explanation of symbols]

 19 Handrail belt 34 Parapet 35 Groove 36 Vertical roller 41 Left horizontal roller 42 Right horizontal roller

Claims (2)

[Claims] 1. A balustrade having a hollow structure extending along a pallet moving path and a groove extending in a circumferential direction in an inner peripheral portion, the upper part of the balustrade proceeds in the pallet moving direction, and the inside of the balustrade moves in the pallet moving direction. An endless handrail belt that can rotate so as to go in the opposite direction, and a plurality of handrail belts that are arranged in a row in the pallet moving direction above the balustrade and each outer peripheral surface of which rotates in contact with the inner bottom surface of the groove of the handrail belt A vertical roller, a left horizontal roller arranged in a row in the pallet moving direction above the balustrade and each outer peripheral surface rotating in contact with the left side surface of the groove of the handrail belt, and a row in the pallet moving direction above the balustrade And a right horizontal roller which is arranged side by side and has an outer peripheral surface rotating in contact with the right side surface of the groove of the handrail belt. 2. The moving handrail device according to claim 1, wherein a right horizontal roller is disposed in front of or near the rear of the pallet moving direction of each left horizontal roller.