JP2002029682A - Getting on/off port device for passenger conveyer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a getting on/off port device for a passenger conveyer eliminating a trouble of erroneously stopping at abnormality time due to behavior of jumping up/down by mischief of a passenger on a floor plate of the getting on/off port. SOLUTION: A floor plate 9 formed with the getting on/off port 2 of the passenger conveyer is provided, a comb plate 11 is arranged corresponding to one side with a comb 13 provided in the other side in an opposed side edge part of a moving footboard 6 of the floor plate 9. An operating mechanism 21 pivotally holding a side of an opposed edge part in the floor plate 9 of the comb plate 11 to a fixed part 5 of the getting on/off port 2 to always hold the comb plate 11 to a prescribed lower down position and a detector 18 operated by rise up displacement to a turn end side of the comb plate 11 abnormality time are provided. An opposed edge part in the comb plate 11 of the floor plate 9 is supported by a supporter 20 provided in the fixed part 5. In this way, in the case that a passenger jumps up/down by mischief on the floor plate 9, downward displacement of a side edge part in the comb plate 11 of the floor plate 9 is impeded by the supporter 20, to prevent action of the detector 18.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an entrance / exit device for a passenger conveyor provided with a detector which operates when a foreign object is caught between a comb plate and a movable tread plate.

[0002]

2. Description of the Related Art FIGS. 5 to 9 are views showing a conventional passenger conveyor entrance / exit device comprising an escalator. FIG. 5 is a longitudinal sectional side view conceptually showing the passenger conveyor entrance / exit system, and FIG. FIG. 7 is an enlarged sectional view taken along line AA of FIG. 6,
FIG. 8 is a plan view of FIG. 7, and FIG. 9 is a view corresponding to FIG. In the figure, 1 is a main frame of a passenger conveyor, 2 is a doorway formed at a longitudinal end of the main frame 1, 3 is a balustrade standing upright at an edge along the length of the main frame 1, and 4 is an outer periphery of the balustrade. Is a moving handrail provided along.

[0003] Reference numeral 5 denotes a fixed portion of the entrance 2 formed by the base of the balustrade 3 at the longitudinal end of the balustrade 3, and reference numeral 6 denotes a movement provided on the main frame 1 and including a large number of steps that move along the length of the main frame 1. A tread plate, 7 is a support beam provided across the entrance 2, 8 is a manhole cover which is arranged near an end of the main frame 1 of the entrance 2 and forms a part of the floor of the entrance 2, 9 is a entrance 2 Is a floor plate that forms the other part of the floor and is disposed between the fixing part 5 and the manhole cover 8.

[0004] Reference numeral 10 denotes a bracket, which has an L-shaped cross section and one side of the L-shaped part is attached to the fixed part 5 to form a part of the fixed part 5. It is arranged overhanging. Reference numeral 11 denotes a comb plate, which is arranged between the fixed portions 5 of the entrance 2 and whose edge near the floor plate 9 is pivotally supported by the fixed portion 5 by a shaft 12 whose length is horizontally arranged. It is arranged in a superposed state below the corresponding edge of the floor panel 9. A comb 13 is fastened to the edge of the comb plate 11 on the side opposite to the floor plate 9 and meshes with the cleat of the movable tread plate 6.

Reference numeral 14 denotes a biasing device, which is a bolt 15 which is inserted into the comb plate 11 with a gap formed therein, and which is screwed into the other side of the L-shape of the receiving member 10 and the upper surface of the comb plate 11 and the head of the bolt 15. It is constituted by a compression coil spring 16 disposed therebetween. Reference numeral 17 denotes a blocking member, which is screwed into the comb plate 11 and inserted therethrough, and the insertion end thereof is arranged in contact with the other side of the L-shape of the receiving member 10. Reference numeral 18 denotes a detector, which is mounted on one side of the L-shape of the receiving member 10, and an operating portion 19 is arranged to face the upper surface of the comb 13.

The conventional entrance / exit device for a passenger conveyor is constructed as described above. Normally, the comb plate 11 is urged downward by an urging device 14 and is held at a predetermined lowered position by a stopper 17. In this state, the comb 13 engages with the cleat of the movable tread plate 6 and moves in the direction of the entrance 2.
Pass under the comb plate 11.

[0007] When foreign matter such as pebbles on the movable tread plate 6 is caught between the comb 13 and the surface of the movable tread plate 6, the comb plate 1
The first comb 13 rotates upward against the urging of the urging device 14. Due to the rotation of the comb plate 11, the detector 18 is pressed and operated, and the operation of the passenger conveyor is stopped in the event of an abnormality, so that secondary troubles such as breakage of the comb 13 due to the abnormality are prevented from occurring. I have.

[0008]

In the above-described conventional entrance / exit device for a passenger conveyor, the passengers mischief and the floor board 9
When jumping upward, the edge of the floor plate 9 on the side of the comb plate 11 is displaced downward. At this time, the edge of the comb plate 11 overlapped below the edge of the floor plate 9 is pressed, and the comb 13 side of the comb plate 11 may rotate upward against the urging force of the urging device 14. .
As a result, there is a problem that the detector 18 is pressed and operated, and the passenger conveyor is erroneously stopped at the time of an abnormality, thereby giving the passenger on the movable tread plate 6 a feeling of anxiety.

SUMMARY OF THE INVENTION The present invention has been made in order to solve such a problem, and an object of the present invention is to provide a passenger conveyor entrance / exit device which does not malfunction due to a jumping action caused by mischief on a floor plate at the entrance / exit.

[0010]

In a passenger conveyor entrance / exit device according to the present invention, one side corresponds to a floor plate forming the entrance / exit of the passenger conveyor and an edge of the floor plate near the longitudinal center of the passenger conveyor. The comb plate provided with a comb on the other side, and the edge of the comb plate facing the floor plate are pivoted to a fixed portion of the entrance and exit, and the comb plate is always held at a predetermined lowering position. One end is attached to one of both the comb plate opposing edge of the floor plate and the fixed portion of the entrance and exit, and the other end is provided with an operation mechanism, a detector that operates by the upward displacement of the rotating end of the comb plate at the time of abnormality, and the other end. Thus, a support for supporting the other of the two is provided.

Further, in the passenger conveyer entrance / exit device according to the present invention, the passenger board is screwed into one of the comb plate facing edge portion of the floorboard and the fixing portion of the entrance / exit, and the protruding length from one of the two is set. An adjustable support is provided.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 1 and 2
FIG. 1 is a view showing an example of an embodiment of the present invention. FIG. 1 is a plan view showing a main part of an entrance of a passenger conveyor, and FIG.
FIG. 2 is a longitudinal sectional view of FIG. Except for FIGS. 1 and 2, a passenger conveyor is configured in the same manner as in FIGS. 5 to 9 described above. In the figure, reference numeral 1 denotes a main frame of a passenger conveyor, and 2 denotes an entrance formed at a longitudinal end of the main frame 1.

Reference numeral 5 denotes a fixed portion of the entrance / exit 2 composed of three balustrades at the longitudinal end of the balustrade 3, and 6 denotes a movable tread provided on the main frame 1 and including a number of steps that move along the length of the main frame 1. , 7 is a support beam provided across the entrance 2, 8 is a manhole cover which is disposed near the end of the main frame 1 of the entrance 2 and forms a part of the floor of the entrance 2, 9 is a door of the entrance 2 It is a floor plate that forms the other part of the floor and is arranged between the fixing part 5 and the manhole cover 8.

Reference numeral 10 denotes a bracket, which has an L-shaped cross section and one side of the L-shaped portion is mounted on the fixed portion 5 to form a part of the fixed portion 5, and the other side of the L-shaped portion is in the width direction of the entrance 2. It is arranged overhanging. Numeral 11 denotes a comb plate, which is arranged between the fixed portions 5 in the frontage direction of the entrance 2 and whose shaft 12 is pivoted at the edge near the floor plate 9 by a shaft 12 having a longitudinally arranged horizontal length. The lower end of the floor plate 9 is arranged in a superposed state, and the front end of the entrance / exit 2 is arranged to face the end surface of the floor plate 9.

Reference numeral 13 denotes a comb which is fastened to the edge of the comb plate 11 on the side opposite to the floor plate 9 and meshes with the cleat of the movable tread plate 6. Numeral 14 denotes a biasing device, which is formed between the comb plate 11 and the bolt 15 screwed into the other side of the L-shape of the metal fitting 10 with a gap formed therebetween, and disposed between the upper surface of the comb plate 11 and the head of the bolt 15. The compression coil spring 16 is formed. Reference numeral 17 denotes a blocking member, which is screwed into the comb plate 11 and inserted therethrough, and the insertion end thereof is arranged in contact with the other side of the L-shape of the receiving member 10.

Reference numeral 18 denotes a detector, which is mounted on one side of the L-shape of the receiving member 10, and an operating portion 19 is arranged to face the upper surface of the comb 13. Reference numeral 20 denotes a support, which is made of bolts
0 is screwed into the other side of the L-shape from above, and
A comb plate 11 of a floor plate 9, which is disposed below an edge on one side and whose head is
It is arranged in contact with the lower surface of the side edge. Incidentally, reference numeral 21 denotes an operating mechanism constituted by the shaft 12, the urging device 14 and the blocking member 17.

In the passenger conveyor entrance / exit device constructed as described above, the comb plate 11 is normally operated by the urging device 14.
, And is held at a predetermined lowered position by the stopper 17. In this state, the comb 13 meshes with the cleat of the movable tread plate 6, and the movable tread plate 6 moving in the direction of the entrance 2 passes below the comb plate 11.

When foreign matter such as pebbles on the movable tread plate 6 is caught between the comb 13 and the surface of the movable tread plate 6, the comb plate 1
The first comb 13 rotates upward against the urging of the urging device 14. Due to the rotation of the comb plate 11, the detector 18 is pressed and operated, and the operation of the passenger conveyor is stopped in the event of an abnormality, thereby preventing the occurrence of secondary problems such as breakage of the comb 13 due to the abnormality. .

The lower side of the floor plate 9 near the fixing portion 5 at the side edge of the comb plate 11 is supported by the other side of the L-shape of the metal fitting 10, that is, the support 20 provided on the fixing portion 5. Accordingly, when the passenger mischiefs and jumps on the floor plate 9, the support 20 prevents the downward displacement of the edge of the floor plate 9 on the side of the comb plate 11 near the fixing portion 5.

For this reason, the comb plate 1 of the floor plate 9 by jumping
The comb plate 1 in which the downward displacement on one side overlaps under the edge of the floor plate 9
It is difficult to reach one edge. Therefore, when the edge of the comb plate 11 close to the floor plate 9 is pressed by the jump, the comb 13 rotates upward, the detector 18 is pressed and operates, and the passenger conveyor is erroneously stopped in an abnormal state. Failure can be prevented from occurring.

Embodiment 2 FIG. 3 and 4 are views showing an example of another embodiment of the present invention. FIG. 3 is a plan view showing a main part of an entrance and exit of a passenger conveyor, and FIG. FIG. 3 and 4
Otherwise, a passenger conveyor is configured in the same manner as in FIGS. 5 to 9 described above. In the figures, the same reference numerals as those in FIGS. 1 and 2 denote corresponding parts.

Reference numeral 22 denotes a screw seat, which is provided below the edge of the floor plate 9 on the side of the comb plate 11 near the fixing portion 5. Reference numeral 23 denotes a support, which is composed of a bolt and is screwed into the screw seat 22 so that its head is disposed in contact with the other side of the L-shape of the receiving member 10 from above. Reference numeral 24 denotes a lock nut which is screwed into the support body 23 and arranged in contact with the screw seat 22.

In the passenger conveyer entrance / exit device configured as described above, the comb plate 11 is normally operated by the urging device 1.
4, the comb 13 is engaged with the cleat of the movable tread plate 6, and the movable tread plate 6 passes below the comb plate 11. When foreign matter is caught between the comb 13 and the surface of the movable tread plate 6, the comb plate 11 is rotated upward, the detector 18 is operated, and the operation of the passenger conveyor is stopped when an abnormality occurs.

The lower side of the edge of the floor plate 9 near the fixing portion 5 at the side edge of the comb plate 11 is supported on the other side of the L-shape of the metal fitting 10 by the support 23. Therefore, although detailed description is omitted, the same operation as the embodiment of FIGS. 1 and 2 can be obtained in the embodiment of FIGS.

Further, the position where the support 23 is screwed into the screw seat 22 is displaced by the lock nut 24, so that the vertical support position of the edge of the floor plate 9 on the side of the comb plate 11 can be easily adjusted. Thereby, installation and maintenance work of the entrance / exit device of the passenger conveyor can be facilitated.

[0026]

As described above, according to the present invention, one side is arranged corresponding to the floor plate forming the entrance / exit of the passenger conveyor, and one edge of the floor plate is located near the longitudinal center of the passenger conveyor, and the comb is disposed on the other side. A comb plate provided with a comb plate, an operation mechanism for pivoting the edge of the comb plate facing the floor plate to a fixed portion of the entrance and exit, and always holding the comb plate at a predetermined lowering position; One end is attached to one of the detector which operates by the upward displacement of the rotating end side of the plate and the comb plate facing edge of the floor plate and the fixed portion of the entrance and the other end supports the other of the two. And a support.

In this way, when the passenger jumps on the floorboard due to mischief, downward displacement of the portion near the fixed portion at the edge of the floorboard on the side of the combboard is prevented by the support, and the floorboard is prevented from jumping by the jumpboard. Is less likely to be transmitted to the edge of the comb plate that overlaps below the edge of the floorboard. Therefore, the comb side of the comb plate pivots upward due to the edge of the comb plate near the floor plate being pressed by the jumping, and the operation of the detector causes the passenger conveyor to be erroneously stopped in the event of an abnormality. Has the effect of preventing.

Further, as described above, the present invention is configured such that the protruding length from one of the both sides of the comb plate facing edge portion of the floor plate and the fixing portion of the entrance / exit is adjustable. Provided with a support.

This makes it possible to easily adjust the vertical support position of the comb side edge of the floorboard by the support. For this reason, there is an effect of facilitating the installation and maintenance work of the entrance / exit device of the passenger conveyor.

[Brief description of the drawings]

FIG. 1 is a view showing a first embodiment of the present invention, and is a plan view showing a main part of an entrance / exit of a passenger conveyor; FIG.
Equivalent figure.

FIG. 2 is a longitudinal sectional view of FIG.

FIG. 3 is a view showing a second embodiment of the present invention, and is a plan view showing a main part of an entrance / exit of a passenger conveyor, and FIG.
Equivalent figure.

FIG. 4 is a longitudinal sectional view of FIG. 3;

FIG. 5 is a view showing a conventional passenger conveyor entrance / exit device comprising an escalator, and is a longitudinal sectional side view conceptually showing the entrance / exit of the passenger conveyor.

FIG. 6 is a plan view of FIG. 5;

FIG. 7 is an enlarged sectional view taken along line AA of FIG. 6;

FIG. 8 is a plan view of FIG. 7;

FIG. 9 is a diagram corresponding to FIG.

[Explanation of symbols]

2 Entry / exit, 5 fixed part, 6 movable tread, 9 floor, 1
1 comb plate, 13 combs, 18 detectors, 20 supports, 2
1 Actuation mechanism, 23 support.

Claims (2)

[Claims] 1. A floor plate forming an entrance / exit of a passenger conveyor, a comb plate provided with one side corresponding to an edge of the floor plate near the longitudinal center of the passenger conveyor, and a comb provided on the other side, An operation mechanism for pivotally supporting the edge of the comb plate facing the floor plate at the fixed portion of the entrance and exit and always holding the comb plate at a predetermined lowering position, and rotation of the comb plate in an abnormal state A detector that operates by the upward displacement of the end, and a support that has one end mounted on one of both the comb plate facing edge of the floor plate and the fixed portion of the entrance and exit, and supports the other of the two by the other end. Conveyor conveyor entrance and exit equipment with 2. The support is screwed into one of a comb plate facing edge portion of a floor plate and a fixing portion of an entrance / exit, so that a length of protrusion from one of the two can be adjusted freely. 3. The passenger conveyor entrance / exit device according to claim 1, wherein: