JPH11335049A - Variable speed type passenger conveyor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent passengers from being caught between a getting off place of a variable speed type passenger conveyor and a pallet transferring the passengers thereon. SOLUTION: In a variable speed type passenger conveyor placing passengers on a pallet thereof and transferring them, and provided with a getting on/off part and a middle part varying the speed of each pallet, a position detecting means 12 measuring a position of the pallet, a pallet interval control means ordering to change the speed of the pallet when positions of measured pallets 1-1, 1-2 are not proper, and control object pallet drive means 13, 14 driving the pallets 1-1 of an object to be controlled according to an ordered speed. Therefore, a space between the pallets 1 to 1 can be certainly packed in a landing plate 3, which can improve safety of the passengers on the end part of getting off place.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a variable-speed passenger conveyor, and more particularly to a variable-speed passenger conveyor capable of controlling a pallet interval of a pallet on which a passenger rides.

[0002]

2. Description of the Related Art Conventionally, as a passenger conveyor for assisting a passenger in the horizontal direction, it takes a long time to move when a transport distance is long. Therefore, the speed of an intermediate portion of the passenger conveyor is increased, and getting on and off for safety. Many variable speed types have been proposed in which the speed of the end portion is relatively reduced.

This variable-speed passenger conveyor is roughly classified into a system in which belt conveyors and rollers having different speeds are changed, a system in which a pallet on which passengers are mounted slides sideways and a speed in an oblique direction is variable, and a distance between pallets is expanded and contracted. There is a method for achieving a variable speed. For example, Japanese Patent Application Laid-Open No. H6-156693 is known as a transfer method, and Japanese Patent Application Laid-Open No. 47-220 is known as a skid method.

A number of methods have been proposed for expanding and contracting the pallet interval. For example, Japanese Patent Publication No. 46-7057 and Japanese Patent Application Laid-Open No. Hei 4-209191 disclose the use of a telescopic link mechanism to expand the pallet interval. Japanese Patent Laid-Open Publication No. Sho 50-78080 and the like disclose a method in which the pallet itself is formed by a plate that expands and contracts, and Japanese Patent Laid-Open Publication No. Sho 58-89579 and the like. A method has been proposed for extracting the portion that has been lost.

[0005]

In the above-mentioned prior art, in a variable-speed passenger conveyor in which a gap is provided between pallets, the pallets generally appear continuously (without a gap) from under the floor of the landing area, and the passenger loading section. In the middle part, the gap is expanded and accelerated, the gap between the front and rear pallets is reduced again at the descending end, the pallets are brought into contact with each other, the gap is eliminated, and the operation of being sucked under the floor of the landing place is repeated. . However, with this variable-speed passenger conveyor, if the pallet gap cannot be reliably removed and eliminated at the descending end, the toes of the passenger may be pinched in the space where the pallet under the floor of the landing is sucked, There is a problem of high risk.

[0006] In order to solve this problem, the system in which the interval between all the pallets is always controlled by using an expanding and contracting link mechanism has a problem that the structure becomes complicated and the number of parts increases.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a pallet interval control means capable of reliably eliminating a gap between pallets at a descending end in a passenger conveyor in which a pallet interval is widened in an intermediate portion.

It is another object of the present invention to provide a pallet interval control means which permits displacement of the pallet at the intermediate portion due to slippage of the pallet and eliminates the displacement at the lower end.

Another object of the present invention is to provide a pallet interval control means having a simple structure and simple control.

It is another object of the present invention to secure passenger safety at the lower end of a passenger conveyor in which passengers are transported by pallets and the speed at the middle of the pallets is higher than the speed at the end of the pallets. To provide a variable-speed passenger conveyor provided with means for performing the following.

[0011]

In order to achieve the above object, the present invention employs the following means.

Position detection means for measuring the position of the pallet in a variable-speed passenger conveyor provided with a boarding / unloading portion and an intermediate portion for changing the speed of each pallet while transporting passengers on the pallet; Pallet interval control means for instructing a change in the speed of the pallet when the set pallet spacing is not appropriate, and controlled pallet driving means for driving a pallet to be controlled in accordance with the instructed speed. I do. As a result, the gap with the pallet at the lower end can be reliably reduced with a relatively simple configuration, and the safety of the passenger at the lower end can be improved.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS First, a variable-speed passenger conveyor on which the present invention is based will be described with reference to FIGS.

FIGS. 1 (a) and 1 (b) are diagrams schematically illustrating a linear variable-speed passenger conveyor to which the present invention is applied. FIG. 1 (a) is a plan view of the variable-speed passenger conveyor. FIG. 1 (b) is a side view of a variable-speed passenger conveyor.

In these figures, 1 is a pallet transported with passengers, 2 is a landing plate on which passengers start to ride, 3 is a landing plate where passengers get off the pallet 1, and 4 is a variable speed on which the pallet 1 is mounted. An acceleration roller for accelerating the speed of the pallet 1 from the riding end to the middle of the passenger conveyor, 5 is a high-speed conveyor for placing the pallet 1 and transporting the pallet 1 at a high speed in the middle, and 6 is for placing the pallet 1. A speed reduction roller for reducing the speed of the pallet 1 from the intermediate portion to the lower end, a driving shaft 7 driven by the main motor and transmitting a driving force to the acceleration roller 4, the high speed conveyor 5, and the speed reduction roller 6, Reference numeral 8 denotes a main motor, 9 denotes a driving force from a drive shaft 7 and an acceleration roller 4 and a deceleration roller 6.
The drive chain 10 is provided on the side of the variable-speed passenger conveyor, and is provided continuously on the accelerating roller 4, the high-speed conveyor 5, and the decelerating roller 6, and covers both ends of the pallet 1. The cover 10.

In this linear variable-speed passenger conveyor,
The pallets 1 appear continuously (with no gap) from below the landing plate 2 to serve as a passenger's boarding area, and the space between the pallets 1 and 2 is increased at the middle portion and accelerated. , Contact the pallet 1 to eliminate the gap,
The operation of being sucked under the landing plate 3 is repeated.
By varying the interval between the pallets, the speed at the intermediate portion can be made higher than the speed at the end of entry / exit. As described above, the pallet 1 is moved on the acceleration roller 4, the high-speed conveyor 5, and the deceleration roller 6 by the frictional force.
The passengers boarding on the pallet 1 can be transported.

The speed of the pallet 1 is sequentially accelerated by an accelerating roller 4 provided below the pallet 1, and then,
The pallet 1 is moved at a constant high speed by the high-speed conveyor 5 and then controlled to be sequentially decelerated by the deceleration rollers 6.

Here, the high-speed conveyor 5 is given a rotational force by a main motor 8 connected to a drive shaft 7 and moves at a predetermined high speed. The acceleration roller 4 and the deceleration roller 6
The rotational force of the drive shaft 7 is transmitted through the drive chain 9 and the speed is adjusted by a gear installed so as to have a speed according to the position of the roller, and the motor rotates.

The pallet 1 is provided with wheels for supporting passengers and the weight of the pallet itself, and guide rails for moving the pallet 1 linearly in the traveling direction are provided below the wheels. . Since this structure is widely used in passenger conveyors using the pallet 1, illustration thereof is omitted. Similarly, handrails and the like generally used in passenger conveyors are not directly related to the present invention, and are not shown.

Further, the speed of the variable-speed passenger conveyor,
As an example of the dimensions, the initial speed at the end of entry and exit is 30 to 50 m /
The length of each section is about 5 to 10 m depending on the ratio of speed change and the magnitude of acceleration / deceleration, and the length of each section is about 2 to 4 times. The section of the conveyor 5 is 100 to 2000 m or the like. Here, the length of the high-speed conveyor 5 in the middle of the variable-speed passenger conveyor is much longer than the other section lengths,
Each of the illustrated variable-speed passenger conveyors is shown as a shape necessary for the description of the present embodiment, and the length of each part is shown as being appropriately enlarged or reduced as compared with the actual one.

Next, in the case of transporting the pallet 1 on the acceleration roller 4, the high-speed conveyor 5, and the deceleration roller 6 by a frictional force in the variable-speed passenger conveyor, a shift due to the sliding of the pallet 1 occurs. The position of the pallet 1 is delayed or advanced from a predetermined traveling position. The problem at this time will be described with reference to FIG.

In order to transport the pallets, in addition to the method using a frictional force as in the variable-speed passenger conveyor shown in FIG. 1, a method in which the pallets grip a chain running at different speeds, or a method using a linear motor. Although there are driving methods such as the driving method, any of the driving methods may cause a shift such as a position where the engagement with the chain is delayed from a predetermined position.
As described below, the present invention is applicable to all passenger conveyors that realize acceleration / deceleration by expanding / contracting a pallet interval regardless of a driving method and may cause a shift in a pallet position. Can be.

FIG. 2 is an enlarged view of the lower end of the variable speed passenger conveyor shown in FIG.

In this figure, of the pallets 1, a pallet in which a part of the pallet enters the lower part of the landing plate 3 is referred to as a pallet 1-1, and a pallet subsequent to the pallet 1-1 is referred to as a pallet 1-2. . In FIG. 2, the same reference numerals as those shown in FIG. 1 indicate the same parts.

As shown in the figure, a gap is generated between the pallets 1 due to the variable speed at the intermediate portion. However, the gap gradually decreases in the process of moving on the speed-reducing roller 6 which is gradually slowed down, and eventually becomes narrow. The gap is completely eliminated just before being sucked into the lower part of the landing plate 3. This is the ideal state. However, in practice, if the rotation or deviation of the conveyor or roller that plays the role of driving occurs during the movement of the pallet 1, a gap is created between the pallet 1-1 and the subsequent pallet 1-2, and the toes of the passenger may become unsteady. When the passenger enters the gap, there is a danger that the toe or the like of the passenger will be caught in the portion where the pallet under the landing plate 3 is sucked. Therefore, in the pallet-type variable-speed passenger conveyor, it is required that the rear end of the pallet 1-1 comes into contact with the front end of the succeeding pallet 1-2 before reaching the landing plate 3 to completely eliminate the gap. Is done. An object of the present invention is to solve such a problem.

Although not shown here, the contact surfaces of the pallets 1 and 1 can be formed to have opposing "comb teeth" so as to enter the insides of the pallets in contact with each other. In this case, even if the contact between the pallets 1 is not perfect,
Since the danger of the passenger's toe or the like being pinched can be avoided, the restriction on the contact position can be reduced by the length of the "comb teeth".

In this variable-speed passenger conveyor, as shown in the figure, there is a gap between the side cover 10 and the conveyor or rollers for the pallet 1 to move. On the other hand, by attaching an elastic body 11 such as rubber to the lower part of the side cover 10, when the pallet 1 passes, the elastic body 11 shrinks and does not hinder the movement of the pallet 1. It is configured to close the gap.

Next, an embodiment of the present invention will be described with reference to FIGS.
Explanation will be made using 0.

FIG. 3 is an enlarged view of the lower end of the variable-speed passenger conveyor according to this embodiment.

In this figure, 1-1 is a controlled pallet in which a part of the pallet has entered the lower part of the landing plate 3 of the pallet 1, 1-2 is a subsequent pallet following the pallet 1-1, 7-1 is a control drive shaft which is driven by a control motor and transmits a driving force to a control roller drive chain, and 9-1 is a common drive chain which is driven by a main motor 8 and drives a plurality of deceleration rollers 6. ,
9-2 is a deceleration roller drive chain, 9-3 is a control roller drive chain for driving a control roller, 12 is an optical sensor type position for detecting the positions of the control target pallet 1-1 and the succeeding pallet 1-2. The detector 12-1 is a light-emitting part of the position detector 12 installed at a predetermined position near the lower end.
Reference numeral -2 denotes a light receiving unit of the position detector 12 installed at a predetermined position near the lower end corresponding to the light emitting unit 12-1, reference numeral 13 denotes a control roller, and reference numeral 14 denotes a control motor. In FIG. 3, the same reference numerals as those shown in FIG. 1 denote the same parts, and a description thereof will be omitted.

Here, the position detectors 12 are arranged at predetermined positions in a sufficient number to realize the present invention.

The light emitted from the light emitting section 12-1 of the position detector 12 reaches the corresponding light receiving section 12-2 when there is no pallet 1 at that position, and is blocked when there is the pallet 1. The position of the pallet 1 can be measured from the light receiving state of the light receiving unit 12-2. As described above, the position detector 12 is used for determining whether the pallet interval at each position of the pallet 1 at each detection time of the pallet 1 is appropriate, and the position of the pallet 1 on the speed reduction roller 5 is determined. Used for transition prediction. Further, the control roller 13 is provided so as to be capable of controlling the speed independently of the deceleration roller 6, and from the position where the tip of the control target pallet 1-1 approaches the lower part of the landing plate 3, the control target pallet 1
-1 is located at a position where it can be driven before reaching the landing plate 3 at the rear end. Here, pallet 1
By setting the position where the main friction from the roller is received at the tip of the pallet 1, the speed of the entire plate can be set by the speed of the roller at the position where the tip of the pallet 1 is located. The control roller 13 is controlled in speed by transmitting the torque of the control drive shaft 7-1 by the control motor 14 independent of the drive shaft 7 by the control roller drive chain 9-3. On the other hand, the speed reduction roller 6 is converted into a predetermined speed by a gear of a predetermined ratio from the main drive shaft 7 via the common drive chain 9-1, and is rotated by the speed reduction roller drive chain 9-2. . Here, the control motor 14, the control drive shaft 7-2, the control roller drive chain 9-3, and the control roller 13 constitute a control target pallet drive means as a whole. It only needs to be installed in the position range.

Although the variable-speed passenger conveyor of FIG. 3 shows only the lower end, the variable-speed passenger conveyor can be installed symmetrically at the passenger end, so that a similar mechanism is provided at the passenger end. Is also good.

In FIG. 3, the position data of the control target pallet 1-1 and the succeeding pallet 1-2 detected by the position detecting device 12 are sent to a control device (not shown) as pallet interval control means. A speed command for optimizing the pallet interval is created by a predetermined arithmetic processing, and the control motor 14 is driven by the speed command, and the control motor 14 drives the control motor 13 to the tip of the landing plate 3 via the control roller 13. The speed of the control target pallet 1-1 is controlled independently of the speed of the entire passenger conveyor.

FIG. 4 is a side view of the variable-speed passenger conveyor according to this embodiment.

In this figure, 15 is a terminal gear,
16-1 is a return side high speed conveyor, 16-2 is a return side low speed conveyor, and 17 is a pallet buffer area. In addition,
4, the same reference numerals as those shown in FIGS. 1 and 3 denote the same parts, and a description thereof will not be repeated.

Here, in the variable-speed passenger conveyor, each device such as the control roller 13 and the return conveyor 16 is symmetrically installed so that the direction can be reversed.

During operation of the variable-speed passenger conveyor, the pallet 1 appearing from the lower part of the landing plate 2 on the surface of the passenger conveyor moves on the acceleration roller 4, the high-speed conveyor 5, and the deceleration roller 6, and descends. In front of the place plate 3, the control roller 13 makes contact with the subsequent pallet 1-2 to eliminate a gap, and then goes under the place plate 3. After that, it is reversed according to the terminal gear 15 and returned to the landing side by the conveyor 16 on the return side. Here, the return side conveyor 16 includes a return side high speed conveyor 16-1 and a return side low speed conveyor 16-
2, the return low-speed conveyor 16-2 is rotated at a speed slightly higher than the speed of the landing plate 2 portion of the pallet 1, and the return high-speed conveyor 16-1 is a return low-speed conveyor. Rotate at a speed sufficiently faster than 16-2. As a result, when returning, the pallet 1 moves toward the pallet buffer area 17 at a high speed at the beginning in the returning direction, moves at a low speed at the final portion, and continuously waits in the pallet buffer area 17. As a result, a slight shift caused by the control of the pallet interval in the vicinity of the landing plate 3 is absorbed and eliminated, and the pallet 1 can appear again from the lower part of the landing plate 2 at a constant speed.

Here, the basic concept of plate interval control by the variable-speed passenger conveyor according to the present embodiment will be described.

During operation of the variable-speed passenger conveyor, the control target pallet 1 approaching the tip of the landing plate 3
In the case where the succeeding pallet 1-2 is delayed with respect to -1 and the interval is longer than a predetermined interval, in order to correct the interval, the speed of the succeeding pallet 1-2 is increased and the speed is advanced a little.
Whether to slow down the speed of the control target pallet 1-1 and wait for the succeeding pallet 1-2 to catch up relatively.
There are different ways.

However, in the former case, the subsequent pallet 1
-2 and the subsequent pallet further open, and if the subsequent pallet 1-2 is advanced quickly by the correction, the difference from the subsequent pallet further increases. Pallet 1
Is supplied from the lower part of the landing plate 2 to the surface of the passenger conveyor at a constant speed. In this method, the pallet 1 for closing the gap eventually runs short and the control diverges.

On the other hand, in the latter case, the interval can be surely corrected without causing the divergence of the control as described above. In this case, the space between the control target pallet 1-1 and the preceding pallet increases, but this occurs at the lower part of the landing plate 3, and a safety problem such as a passenger being pinched occurs. Absent.

Therefore, in the variable-speed passenger conveyor according to the present embodiment, the speed of the control target pallet 1-1 is reduced so as to control the subsequent pallet 1-2 to relatively catch up.

Further, the details of the interval control between the control target pallet 1-1 and the succeeding pallet 1-2 will be described with reference to FIGS.
This will be described with reference to FIG.

FIG. 5 shows the control target pallet 1-1 when there is no shift between the control target pallet 1-1 and the succeeding pallet 1-2.
FIG. 6 is a diagram illustrating a temporal positional relationship between a pallet and a subsequent pallet 1-2.

In this figure, the horizontal axis represents the landing plate 3
, The vertical axis represents the time, the temporal transition of both pallets 1-1 and 1-2 at predetermined time intervals, and the rear end of pallet 1-1 to be controlled. And the expected trajectory of the tip of the succeeding pallet 1-2.

Here, as an example, pallets 1-1, 1
The length of -2 is 40 cm, the pallets 1-1 and 1-2 descend from the expected contact position, 10 cm in front of the field plate, the pallet speed after the expected contact position is 50 cm / sec, and the speed immediately before this is 100 cm / sec. The time interval of the movement transition of the pallets 1-1 and 1-2 is every 0.2 seconds.

In the case where there is no displacement due to the movement of the pallets 1-1 and 1-2, the interval between the pallets 1-1 and 1-2 gradually narrows, and there is no gap at the expected contact position. Move with contact at a final speed of 50 cm / sec. In this case, it is understood that positive pallet interval control need not be performed.

The controllable range of the control target pallet 1-1 by the control roller 13 is determined from the position where the tip of the control target pallet 1-1 contacts the landing plate 3 from the position of the control target pallet 1-1. Rear end getting off plate 3
Until it reaches the range indicated by the double-headed arrow.

The wider the control target range, the easier the adjustment becomes, and the more control is provided. For this purpose, it is possible to increase the length of the pallet, for example, to 120 cm. As the pallets get longer,
To solve the problem, the depth required at the time of reversal is increased, and by treating a plurality of pallets that are continuous at the lower end as an integrated control target, the control margin is increased without increasing the reversal depth. It is possible. In addition, when the passengers board, the pallet length is increased, for example, three pallets are integrated so that the interval cannot be opened. It is also possible to adopt a configuration in which:

When the pallet length is increased, a wheelchair, a luggage cart, a stroller, or the like can be mounted when moving, and the service for passengers can be further improved.

FIG. 6 shows the control target pallet 1 when there is a delay in the succeeding pallet 1-2 with respect to the control target pallet 1-1.
It is a figure which shows the time-dependent positional relationship of -1 and subsequent pallets 1-2.

If the detected position of the tip of the subsequent pallet 1-2 has a delay with respect to the expected trajectory at the time of detection by the position detector 12, the deceleration roller 6 moves at a predetermined speed, which corresponds to a delay. It can be predicted that the subsequent pallet 1-2 draws a delayed trajectory by the time (dotted line in FIG. 6). When the control target pallet 1-1 is moved according to the planned trajectory,
Since the contact with the succeeding pallet 1-2 is delayed and the contact position becomes the contact position after entering the landing plate 3 (the contact position in the case where there is no interval control), the speed of the control target pallet is controlled by the control roller 13. By controlling the trajectory 6 to be a trajectory indicated by a chain line, it is possible to make contact before the landing plate 3 (the contact position in the case where the interval control is performed).

FIG. 7 is a diagram showing the positional relationship over time between the controlled pallet 1-1 and the following pallet 1-2 when there is an advance to the controlled pallet 1-1 with respect to the controlled pallet 1-1. .

When there is an advance to the succeeding pallet 1-2, the control does not have to be executed because the pallet comes in contact with the pallet in front of the landing plate 3 as it is. However, the cause of the advance may not be due to the subsequent pallet, but may be due to the delay of the control target pallet 1-1 itself. In this case, contrary to the above-described example, the speed of the control target pallet 1-1 can be increased by the control roller 13 so that the trajectory can be controlled so as to have a locus indicated by a chain line in FIG.

However, in this case, since the final speed at the position of the landing plate 3 becomes faster than a predetermined value, it is necessary to perform the process within an allowable range.

In this case, the control target pallet 1-
Controlled pallet 1 only when 1 is delayed before contact
It is also possible to switch between performing and not performing control depending on the state such as only when there is a gap between -1 and the preceding pallet.

Next, the system configuration of the variable-speed passenger conveyor according to this embodiment will be described with reference to FIG.

In the figure, reference numeral 18 denotes a constant speed command to the main motor 8 and control based on the position data of the control target pallet 1-1 and the succeeding pallet 1-2 detected by the position detecting device 12. A controller for outputting a speed command to the motor 14; a position / speed conversion table 18-1 storing speed data to be commanded according to the positions of the control target pallet 1-1 and the succeeding pallet 1-2; Reference numeral -2 denotes a control roller speed command generation unit that generates a predetermined speed command based on the position data detected from the position detection device 12 and the position / conversion data stored in the position / conversion table 18-2. is there. FIG.
, The same reference numerals as those shown in FIG. 3 represent the same parts.

Here, the position of the control target pallet 1-1 and the position of the succeeding pallet 1-2 detected by the position detector 12 are sent to the control roller speed creating section 18-1 of the control device 18, and the positions are read out. Data to position / speed conversion table 1
A speed command is calculated with reference to the position / conversion data of 8-2, and the control motor 14 is driven by the speed command,
Further, the control roller 8 is rotated via the control drive shaft 7-2 and the control roller drive chain 9-3. At the same time, the control device 18 issues a constant speed command to the main motor 8, drives the main motor 8, and controls the main drive shaft 7-1, the common drive chain 9-1, and the reduction roller drive chain 9-2. Then, the deceleration roller 6 is rotated at a predetermined speed ratio at each position.

FIG. 9 is an example of the position / speed conversion table 18-2 shown in FIG. 8, and the numerical values shown here are shown in FIGS.
Are the same as those used in.

FIG. 9A shows one of the position / speed conversion tables 18-2 for correcting the advance of the subsequent pallet 1-2.
An example is shown. When the rear end position of the control target pallet 1-1 is −40 cm, and the front end position of the subsequent pallet 1-2 is −70 cm, the pallet interval is as designed, and the speed change for control is not performed. Indicates that it is not necessary. In addition, when the leading end position of the succeeding pallet 1-2 is delayed (−80 cm
From the control target pallet 1-1)
It is necessary to reduce the speed of the contact, and to keep the expected contact point near the position of -10 cm corresponding to the detected position,
This indicates that a correction from 4 cm / sec to -13 cm / sec is necessary. Conversely, when the leading end position of the succeeding pallet 1-2 is advanced (at -60 cm to -50 cm),
The speed of the control target pallet 1-1 can be increased,
+10 cm / sec to +25, corresponding to the detected position
The correction of cm / sec is shown. However, following pallet 1
If the correction is performed when the tip position of -2 is advanced, the final velocity at the position of the landing plate 3 is increased to 75 cm / sec in this example. FIG. 9B shows the subsequent pallet 1-
Position / speed conversion table 1 when the advance of 2 is not corrected
8-2 shows an example.

In practice, the advance is corrected when the final speed is, for example, 6
9 (a) and 9 (b) can be used in combination so that the operation is performed within 0 cm / sec and not performed any more.

Only when the control target pallet 1-1 is delayed before the contact, or when the control target pallet 1-1
It is also possible to change the table to be used depending on conditions such as performing advance correction only when the interval between the pallet and the preceding pallet is wide.

FIGS. 9A and 9B show one example of numerical values for a part of the position / velocity conversion table 18-2. It may be performed in more detail in the point described above.

The position / speed conversion table 18-2
Calculates the relationship between the detected position of the pallet and the corresponding control speed by the method described in FIGS. 5 to 7 in advance,
Although it is tabulated, the control speed may be calculated every time from the detected position without using the position / speed conversion table 18-2.

FIG. 10 is a flowchart showing the procedure of pallet interval control in the control device 18 shown in FIG.

Here, the pallet interval control process can be repeatedly executed at a predetermined cycle, or can be executed according to a change in the output of the position detector 12.

First, in step 20-1, the rear end position of the control target pallet 1-1 is detected. Next, at step 20-2, the tip position of the succeeding pallet 1-2 is detected. Next, in step 20-3, the speed of the control roller 13 corresponding to the rear end position of the control target pallet 1-1 and the front end position of the succeeding pallet 1-2 is extracted from the position / speed conversion table 18-1. . And step 2
In the step 0-4, the extracted speed is instructed to the control motor 14.

As described above, according to the present embodiment, the pallet 1 is transported on the acceleration roller 4, the high-speed roller 5, and the deceleration roller 6 by frictional force.
There is no need to use a complicated telescopic link mechanism for managing the pallet interval as in the related art.

Also, in the gap between the pallets 1 in the intermediate portion of the variable-speed passenger conveyor, the passenger or the roller for driving the pallets 1 moves in synchronization with the pallet speed, so that the passenger gets down in this gap. Even in this case, safety can be ensured.

Further, a side cover 10 is provided on the pallet 1 side.
Is provided, and furthermore, the elastic body 11 is provided below the side cover 10, so that a passenger can be provided safely without the passenger being caught.

Further, since the position detector 12 and the control target pallet driving means need only be installed in a small position range near the lower end, it can be realized with few parts and cost.

Further, since it is not necessary to predict the future of the pallet 1 or calculate the command speed at each control time using the position / speed conversion table 18-2, the pallet interval can be controlled by a simple control law. .

[0075]

As described above, the present invention provides position detecting means for measuring the position of a pallet, pallet position control means for instructing a change in the speed of the pallet when the measured position of the pallet is not appropriate, And the control target pallet driving means for driving the pallet to be controlled in accordance with the set speed, the gap between the pallets at the descending end can be reliably filled, and the safety of the passenger can be improved.

Further, it is not necessary to use a complicated telescopic link mechanism for managing the interval between pallets as in the prior art, and an economical variable-speed passenger conveyor can be provided.

[Brief description of the drawings]

FIG. 1 is a diagram schematically illustrating a linear variable-speed passenger conveyor to which the present invention is applied.

FIG. 2 is an enlarged view of a lower end of the variable-speed passenger conveyor shown in FIG.

FIG. 3 is an enlarged view of a lower end portion of the variable speed passenger conveyor according to the embodiment of the present invention.

FIG. 4 is a side view of the variable-speed passenger conveyor according to the embodiment.

FIG. 5 shows the controlled pallet 1-1 and the following pallet 1-2 when there is no shift between the controlled pallet 1-1 and the following pallet 1-2 of the variable speed passenger conveyor according to the present embodiment.
It is a figure which shows the temporal relationship of time.

FIG. 6 shows the controlled pallet 1-1 and the succeeding pallet 1 when the succeeding pallet 1-2 has a delay with respect to the controlled pallet 1-1 of the variable-speed passenger conveyor according to the embodiment.
FIG. 2 is a diagram illustrating a temporal relationship of -2.

FIG. 7 shows the controlled pallet 1-1 and the succeeding pallet 1 when there is an advance to the succeeding pallet 1-2 with respect to the controlled pallet 1-1 of the variable-speed passenger conveyor according to the embodiment.
FIG. 2 is a diagram illustrating a temporal relationship of -2.

FIG. 8 is a system configuration diagram of a variable-speed passenger conveyor according to the present embodiment.

9 is an example of a position / speed conversion table 18-2 shown in FIG.

10 is a flowchart showing a processing procedure of pallet interval control in the control device 18 shown in FIG.

[Explanation of symbols]

 Reference Signs List 1 pallet 1-1 controlled pallet 1-2 subsequent pallet 2 landing plate 3 landing plate 4 acceleration roller 5 high-speed conveyor 6 deceleration roller 7 drive shaft 8 main motor 9 drive chain 10 side cover 11 elastic body 12 position detector 12-1 Light Emitting Unit 12-2 Light Receiving Unit 13 Control Roller 14 Control Motor 15 Terminal Gear 16 Return Conveyor 17 Palette Buffer Area 18 Controller, 18-1 Control Roller Speed Command Generator 18-2 Position / Speed Conversion table

Claims (16)

[Claims] 1. A variable-speed passenger conveyor including a passenger on and off a pallet for transporting the pallets, and an elevator section for changing the speed of each pallet, and a middle section, wherein position detecting means for measuring the position of the pallets. Pallet interval control means for instructing a change in pallet speed when the measured pallet spacing is not appropriate, and controlled object pallet driving means for driving a pallet to be controlled in accordance with the instructed speed. Characterized variable speed passenger conveyor. 2. The control device according to claim 1, wherein the position detecting means detects a position of the control target pallet and a position of a succeeding pallet succeeding the control target pallet, and the pallet interval control means detects the detected control. A variable-speed passenger conveyor for commanding the speed of the control target pallet based on the positions of the target pallet and the subsequent pallet. 3. The method according to claim 1, wherein
The variable speed passenger conveyor according to any one of claims 1 to 3, wherein the position detecting means is configured by a photoelectric sensor including a light emitting unit and a light receiving unit. 4. The method according to claim 2, wherein
In one claim, the position detection means, when at least the control target pallet is located from the position where the front end is applied to the landing of the variable speed passenger conveyor to the position where the rear end is applied, the control target pallet and A variable-speed passenger conveyor set up in a range where the position with the succeeding pallet can be detected. 5. The method according to claim 2, wherein
In one of the claims, the pallet interval control means includes a position / speed conversion table in which a speed command value corresponding to the position of the control target pallet and the position of the subsequent pallet is calculated and stored in advance, and the detected A variable-speed passenger conveyor for instructing a speed from the positions of a control target pallet and the subsequent pallet with reference to a speed command value of the position-speed conversion table. 6. The method according to claim 2, wherein
In one claim, the position-speed conversion table, the contact position of the control target pallet and the subsequent pallet, the position of the landing plate of the variable-speed passenger conveyor before and from the landing position A variable-speed passenger conveyor storing speed command values corresponding to the position of the controlled pallet and the position of the succeeding pallet so as to be within a range closer to the landing position than the length of one pallet. . 7. The method according to claim 2, wherein
The pallet interval control means according to one of the claims, wherein the contact position between the control target pallet and the subsequent pallet is located before the landing position of the variable speed passenger conveyor and one pallet from the landing position. A variable-speed passenger conveyor which is set within a range closer to the landing position than a minute length. 8. The method according to claim 2, wherein
The pallet interval control means according to one of the claims, wherein when the subsequent pallet is later than a proper position with respect to the position of the controlled pallet, the pallet interval control means reduces the speed of the controlled pallet from a specified value. A variable-speed passenger conveyor characterized by creating commands. 9. The method according to claim 2, wherein
In one claim, when the subsequent pallet is later than a proper position with respect to the position of the control target pallet, the pallet interval control means sets a contact position between the control target pallet and the subsequent pallet. Creating a speed command for the pallet to be controlled so as to be located before the landing position of the variable-speed passenger conveyor and within a range closer to the landing position than the length of one pallet from the landing position. A variable speed passenger conveyor characterized by: 10. The pallet interval control unit according to claim 2, wherein the pallet interval control means is configured to advance the subsequent pallet from an appropriate position with respect to the position of the pallet to be controlled. A speed command for increasing the speed of the control target pallet from a specified value. 11. The pallet interval control unit according to claim 2, wherein the pallet interval control means is configured to advance the subsequent pallet from an appropriate position with respect to the position of the control target pallet. A speed command that does not change the speed of the control target pallet with a specified value is generated. 12. The pallet position control unit according to claim 1, wherein the control target pallet driving unit is provided independently of the getting on / off unit and the intermediate unit. A variable speed passenger conveyor, comprising: a control motor controlled by a speed command from the controller; and a control roller driven by the control motor to vary the speed of the control target pallet. 13. The control target pallet driving means according to claim 1, wherein at least the control target pallet is at a position where the tip of the control target pallet touches a landing of the variable speed passenger conveyor. A variable-speed passenger conveyor set up in a range in which the pallet to be controlled can be driven when the pallet is positioned from the rear end to the position where the rear end is located. 14. The variable-speed passenger conveyor according to claim 1, wherein the pallet to be controlled is constituted by a plurality of pallets. 15. An accelerating transport unit that loads a passenger on a pallet, places the pallet on the pallet, accelerates the transport to a predetermined speed, and transports the passenger, places the pallet on the pallet, and transports the passenger at the predetermined speed. A deceleration transport unit that transports the pallet on the pallet at a reduced speed from the predetermined speed, wherein the pallet is provided on the acceleration transport unit, the high-speed transport unit, and the deceleration transport unit according to the transport speed of the pallet. In a variable-speed passenger conveyor in which the pallet interval expands and contracts and a relative slip occurs, position detecting means for measuring a position of the pallet within a predetermined range near a lower end of the variable-speed passenger conveyor, An interval determining means for determining whether the measured interval between the pallets is appropriate, and, if the interval is not appropriate, reaching the landing of the variable-speed passenger conveyor. A pallet speed commanding means for commanding the speed of the pallet to be controlled so as to eliminate the interval, and a controlled pallet driving means for driving the controlled pallet in accordance with the commanded speed. Variable speed passenger conveyor. 16. The pallet according to claim 15, wherein a side cover is provided at an upper portion near both ends of each of the pallets, and the side cover, the acceleration transport section, the high-speed transport section, and the deceleration transport are provided below the side cover. A variable-speed passenger conveyor comprising a gap filling means for closing a gap between the pallet and the pallet so as not to hinder the passage of the pallet.