JP6489578B2 - Passenger conveyor - Google Patents

Description

  The present invention relates to a passenger conveyor in which a skirt guard switch is disposed inside a balustrade skirt guard.

  In the conventional skirt guard switch inspection device, the lower end of the lever is inserted into the groove of the step when the skirt guard switch is inspected. Then, by tilting the lever, the presser provided on the lever is pressed against the skirt guard. As a result, the skirt guard bends outward and the skirt guard switch is operated (see, for example, Patent Document 1).

  In another conventional skirt guard switch inspection device, the guide frame is placed on the step, and a plurality of fitting portions provided at the lower portion of the guide frame are inserted into the groove of the step. Then, the operating lever is operated to press the pressing element against the skirt guard. At this time, the pressing element is guided by the guide frame and pressed at right angles to the skirt guard (see, for example, Patent Document 2).

  Further, in the conventional passenger conveyor, when the skirt guard switch is inspected, an operating body is inserted into a hole provided in the skirt guard, and the skirt guard switch is operated by the operating body. The operating body is provided with a spring portion, and the state where the skirt guard switch is operated is maintained even if the hand is released with the operating body inserted into the hole (see, for example, Patent Document 3).

JP 58-47785 A Japanese Patent Laid-Open No. 60-161889 Japanese Utility Model Publication No. 1-94384

  In the conventional skirt guard switch inspection device as described above, it is necessary to apply a pressing load to the skirt guard by human power from the step side and bend the skirt guard outward until the skirt guard switch is operated. When is high, it is difficult to bend the skirt guard sufficiently. Further, if the rigid skirt guard is forced to bend, the surface of the skirt guard may be damaged or the skirt guard may be permanently deformed.

  On the other hand, a pressurizing device has also been proposed, but it is a relatively large device that cannot perform inspection work in a short time, and damages the surface of the skirt guard due to excessive pressing load. Or the skirt guard may be permanently deformed.

  Also, in the method of operating the skirt guard switch by the operating body through the hole provided in the skirt guard, the position of the tip of the skirt guard switch and the position of the hole must be matched, and the installation position of the skirt guard switch can be adjusted. It was very difficult.

  The present invention has been made to solve the above-described problems. Even when the skirt guard has high rigidity, the skirt guard switch can be easily inspected with a simple configuration without damaging the skirt guard. The purpose of the present invention is to obtain a passenger conveyor that can be carried out at the same time.

  The passenger conveyor according to the present invention includes a truss, a plurality of steps supported by the truss and connected endlessly, and a skirt guard facing a side surface of the step, and is stood on the truss. The skirt guard is located on the opposite side of the balustrade and the skirt guard step, and the skirt guard is operated by displacing the skirt guard to the opposite side of the step. When the skirt guard switch and the skirt guard switch are inspected, a deforming means for deforming the operating piece independently of the skirt guard and operating the skirt guard switch with the operating piece is provided.

  In the passenger conveyor of the present invention, when the skirt guard switch is inspected, the operating piece provided on the skirt guard is displaced independently of the skirt guard to operate the skirt guard switch. In addition, the skirt guard switch can be easily inspected with a simple configuration without damaging the skirt guard.

It is a schematic block diagram which shows the escalator by Embodiment 1 of this invention. It is a perspective view which shows the entrance / exit vicinity of the escalator of FIG. It is the front view which looked at the skirt guard of the vicinity of the entrance / exit of FIG. 2 from the step side. It is the rear view which looked at the skirt guard of FIG. 3 from the opposite side to a step. It is the side view which looked at the skirt guard of FIG. 4 along the arrow V direction of FIG. It is sectional drawing which follows the VI-VI line of FIG. It is sectional drawing which follows the VII-VII line of FIG. It is sectional drawing which shows the state at the time of the inspection of the skirt guard switch of FIG. It is the front view which looked at the skirt guard near the entrance / exit of the escalator by Embodiment 2 of this invention from the step side. It is sectional drawing which follows the XX line of FIG. It is an enlarged view which shows the XI part of FIG. It is a block diagram which shows the principal part of the passenger conveyor by Embodiment 3 of this invention.

Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.
Embodiment 1 FIG.
1 is a schematic configuration diagram showing an escalator according to Embodiment 1 of the present invention. In the figure, the truss 1 is installed between the upper and lower building beams 2a and 2b. The truss 1 supports a plurality of steps 3 connected endlessly. A pair of balustrades 4 are erected on the truss 1 on both sides of the step 3.

  Each balustrade 4 is provided with an endless moving handrail 5 that moves in synchronization with the steps 3. The moving handrail 5 moves on the balustrade 4 on its forward path. Further, the moving handrail 5 is folded back at the first portion in the longitudinal direction of the balustrade 4 and drawn into the balustrade 4, and is pulled out from the lower portion of the second end portion in the longitudinal direction of the balustrade 4. .

  FIG. 2 is a perspective view showing the vicinity of the entrance / exit of the escalator of FIG. Each balustrade 4 includes a balustrade glass 6, a deck board 7, a skirt guard 8, and a handrail guide rail (not shown). The balustrade glass 6 is supported by a balustrade pillar (not shown) standing on the truss 1 at a predetermined interval in the moving direction of the steps 3. The handrail guide rail is fixed to the balustrade glass 6 and guides the movement of the moving handrail 5.

  The deck board 7 is continuously arranged at the lower end of the balustrade glass 6 from the upper entrance to the lower entrance. The skirt guard 8 is continuously arranged on the step 3 side of the deck board 7 from the upper entrance to the lower entrance. The skirt guard 8 faces the side surface of the step 3. A slight gap is secured between the skirt guard 8 and the side surface of the step 3.

  3 is a front view of the skirt guard 8 in the vicinity of the entrance / exit of FIG. 2 as viewed from the step 3, FIG. 4 is a rear view of the skirt guard 8 of FIG. 3 as viewed from the side opposite to the step 3, and FIG. 4 is a side view of the skirt guard 8 taken along the direction of arrow V in FIG. 4, FIG. 6 is a cross-sectional view taken along line VI-VI in FIG. 3, and FIG. 7 is a cross-sectional view taken along line VII-VII in FIG. .

  The skirt guard 8 includes a plurality of flat skirt guard bodies 11 arranged side by side along the outward path of the steps 3 and a plurality of reinforcements fixed to the surface of each skirt guard body 11 opposite to the steps 3. Member 12. Each reinforcing member 12 is configured by bending a steel plate into a cross-sectional hat shape.

  A skirt guard switch 14 is supported on the upper beam 13 of the truss 1. The skirt guard switch 14 is disposed on the opposite side of the skirt guard 8 from the step 3. The skirt guard switch 14 is mechanically operated when the skirt guard 8 is displaced to the side opposite to the step 3. When the skirt guard switch 14 is operated during the operation of the escalator, the movement of the step 3 and the moving handrail 5 is stopped.

  As shown in FIG. 7, the skirt guard switch 14 is fixed to the upper beam 13 via a first bracket 15 having an L-shaped cross section and a second bracket 16 having an L-shaped cross section.

  Specifically, the first bracket 15 is screwed to the upper beam 13. The second bracket 16 is screwed to the first bracket 15. The skirt guard switch 14 is screwed to the second bracket 16. The fixing position of the second bracket 16 with respect to the first bracket 15 can be adjusted in the horizontal direction. Thereby, the position of the skirt guard switch 14 with respect to the skirt guard 8 can be adjusted.

  An operating piece 17 is provided at a position of the skirt guard 8 facing the skirt guard switch 14. The operating piece 17 is constituted by a strip-shaped leaf spring, a part of which is fixed to the skirt guard 8. The operating piece 17 is made of spring stainless steel, and the rigidity of the operating piece 17 is lower than the rigidity of the skirt guard 8. Further, the operating piece 17 is fixed to the reinforcing member 12 by a plurality of fasteners 18.

  As shown in FIG. 6, the skirt guard 8 is provided with first and second operation holes 8 a and 8 b that face the operating piece 17. The first operation hole 8 a is provided in the skirt guard body 11. The first operation hole 8a is a countersink.

  The second operation hole 8 b is provided in the reinforcing member 12 adjacent to the operating piece 17. The second operation hole 8 b is disposed on the axis of the first operation hole 8 a and is normally closed by the operating piece 17. The diameter of the second operation hole 8b is larger than the diameter of the first operation hole 8a.

  When the skirt guard switch 14 is inspected, a rod-like pressing member 20 as shown in FIG. 7 is inserted into the first and second operation holes 8a and 8b. The pressing member 20 is inserted into the first and second operation holes 8a and 8b and presses the operating piece 17. As a result, the operating piece 17 is deformed (elastically deformed) independently of the skirt guard 8 and operates the skirt guard switch 14 as shown in FIG. That is, the deformation means of the first embodiment is the pressing member 20.

  When the skirt guard 8 is displaced outward by the pressure from the step 3 side (when bent), the operating piece 17 is also displaced integrally with the skirt guard 8 as shown by a two-dot chain line in FIG. The skirt guard switch 14 is operated.

  The pressing member 20 includes a rod-like operation portion 21 inserted into the operation holes 8 a and 8 b, a magnet portion 22 connected to the operation portion 21, and a handle portion 23 connected to the magnet portion 22. Yes.

  A permanent magnet is used as the magnet portion 22. A countersunk screw is used as the operation unit 21, and the head of the countersunk screw is attracted to the magnet unit 22 by the magnetic force of the magnet unit 22. A bolt is used as the handle portion 23, and the head portion of the bolt is attracted to the magnet portion 22 by the magnetic force of the magnet portion 22. The operation part 21 and the handle part 23 are arranged on a straight line with the magnet part 22 in between.

  By inserting the operation portion 21 into the operation holes 8a and 8b and attracting the magnet portion 22 to the skirt guard 8, the state where the skirt guard switch 14 is operated by the operating piece 17 is maintained.

  When the operation portion 21 is inserted into the operation holes 8a and 8b and the magnet portion 22 is attracted to the skirt guard 8, the head of the countersunk screw constituting the operation portion 21 is the first operation hole which is a countersunk hole. 8a, the end surface of the operation portion 21 on the magnet portion 22 side and the surface of the skirt guard 8 on the step 3 side are flush with each other.

  In such an escalator, when the skirt guard switch 14 is inspected, the operation portion 21 of the pressing member 20 is inserted into the operation holes 8a and 8b with the operation of the escalator stopped, and the magnet portion 22 is inserted into the skirt guard 8. Adsorb to. Thereafter, the worker retreats from the step 3 and activates the escalator.

  At this time, since the skirt guard switch 14 is operated by the operating piece 17, if the skirt guard switch 14 is normal, the step 3 does not start moving. Conversely, when the step 3 starts moving in this state, a failure of the skirt guard switch 14 is detected.

  In such an escalator, when the skirt guard switch 14 is inspected, the operating piece 17 provided on the skirt guard 8 is displaced independently of the skirt guard 8 so that the skirt guard switch 14 is operated. Even if the rigidity of the skirt guard is high, the skirt guard switch 14 can be easily inspected with a simple configuration without damaging the skirt guard 8.

  Further, by increasing the rigidity of the skirt guard 8, it is possible to reduce the possibility of foreign matter being caught between the step 3 and the skirt guard 8.

  Further, since the operating piece 17 is configured by a leaf spring partly fixed to the skirt guard 8, the skirt guard switch 14 can be inspected with a simpler configuration, and the operating piece 17 can be installed after the inspection. It can be easily restored to the state during normal operation.

  Furthermore, since the operation piece 17 should just be arrange | positioned so that the part may be located on extension of the operation holes 8a and 8b, adjustment of an installation position is easy.

  Further, by inserting the operation portion 21 into the operation holes 8a and 8b and causing the magnet portion 22 to be attracted to the skirt guard 8, the state in which the skirt guard switch 14 is operated by the operating piece 17 is maintained. The person can retreat from the step 3.

  Further, since the operation unit 21 is attracted to the magnet unit 22 by the magnetic force of the magnet unit 22, the step 3 with the skirt guard switch 14 being operated by the operating piece 17 at the time of inspection due to failure of the skirt guard switch 14 or the like. When the step moves and the step 3 interferes with the magnet portion 22, the magnet portion 22 can be easily separated from the operation portion 21, and damage to the step 3 and the pressing member 20 can be prevented.

  Furthermore, the first operation hole 8a is a countersink, the operation unit 21 is a countersunk screw, and when the skirt guard switch 14 is inspected, the end surface of the operation unit 21 on the magnet unit 22 side and the surface of the skirt guard 8 on the step 3 side Therefore, when the step 3 is moved during inspection due to a failure of the skirt guard switch 14 or the like, damage to the step 3 and the pressing member 20 can be prevented more reliably.

Embodiment 2. FIG.
Next, FIG. 9 is a front view of the skirt guard 8 in the vicinity of the entrance / exit of the escalator according to the second embodiment of the present invention as seen from the step 3 side, FIG. 10 is a cross-sectional view taken along line XX in FIG. FIG. 10 is an enlarged view showing an XI portion of FIG. 9.

  In the second embodiment, a wire 25 that deforms the operating piece 17 by pulling the operating piece 17 from a distance is used as the deforming means. The wire 25 is disposed on the opposite side to the step 3 of the skirt guard 8. A plurality of wire guides 26 for guiding the wire 25 are fixed to the surface of the skirt guard 8 opposite to the step 3. The wire 25 is passed through these wire guides 26. The first end of the wire 25 is connected to the operating piece 17.

  An automatic take-up reel 27 is provided behind the skirt guard switch 14. In this example, the automatic take-up reel 27 is attached to the second bracket 16. A part of the wire 25 is wound around the automatic winding reel 27. The automatic take-up reel 27 automatically rewinds the wire 25.

  The second end of the wire 25 can be pulled out from the deck board end cover 30 provided at the entrance. A handle 28 is provided at the second end of the wire 25. The deck board end cover 30 is provided with a handle storage hole 29 for storing the handle 28 in a normal state. The skirt guard 8 is not provided with the first and second operation holes 8a and 8b. Other configurations are the same as those in the first embodiment.

  In such a passenger conveyor, when checking the skirt guard switch 14, the handle 28 is taken out from the handle housing hole 29, and the wire 25 is pulled with the handle 28. Thereby, the operating piece 17 is pulled through the wire 25, the operating piece 17 is deformed, and the skirt guard switch 14 is operated.

  Therefore, similarly to the first embodiment, even when the skirt guard 8 has high rigidity, the skirt guard switch 14 can be easily inspected with a simple configuration without damaging the skirt guard 8.

Further, since the wire 25 is used as the deforming means, it is not necessary to provide an operation hole in the skirt guard 8, and the design can be prevented from being lowered.
Further, the skirt guard switch 14 can be operated remotely while the step 3 is moved, and it can be confirmed whether the skirt guard switch 14 actually operates normally while the step 3 is moving.

  Furthermore, since the automatic take-up reel 27 is used, the wire 25 is automatically taken up when the hand is released from the handle 28, the handle 28 is received in the handle receiving hole 29, and the deformation of the operating piece 17 is automatically restored. Return to. Thereby, workability | operativity of the check work of the skirt guard switch 14 can be improved.

Embodiment 3 FIG.
Next, FIG. 12 is a block diagram showing a main part of a passenger conveyor according to Embodiment 3 of the present invention. The working piece 17 of the third embodiment is formed of a metal piece that is deformed by heating and operates the skirt guard switch 14. Further, when the heating piece 17 stops heating and returns to normal temperature, it automatically returns to its original shape. Specifically, the operating piece 17 is made of a shape memory alloy.

  In the third embodiment, the heater 31 that heats the working piece 17 is used as the deformation means. For example, an electric heater is used as the heater 31. The heater 31 is permanently installed in the vicinity of the operating piece 17. However, if the operating piece 17 can be deformed by heating from the step 3 side of the skirt guard 8, a portable heater 31 may be brought in when the skirt guard switch 14 is inspected. Further, the skirt guard 8 is not provided with the first and second operation holes 8a and 8b. Other configurations are the same as those in the first embodiment.

  Even with such a configuration, as in the first embodiment, even when the rigidity of the skirt guard 8 is high, the skirt guard switch 14 can be easily inspected with a simple configuration without damaging the skirt guard 8. be able to.

  In addition, since the heater 31 is used as the deforming means, it is not necessary to provide an operation hole in the skirt guard 8, and the design can be prevented from deteriorating.

In the third embodiment, the operating piece 17 is made of a shape memory alloy. However, for example, a bimetal may be used.
In the first to third embodiments, the operating piece 17 is normally in contact with the skirt guard switch 14 in a non-operating state, but there may be a gap between the operating piece 17 and the skirt guard switch 14.
Furthermore, although the escalator was shown in Embodiment 1-3, this invention is applicable also to a moving walkway.

  DESCRIPTION OF SYMBOLS 1 Truss, 3 steps, 4 balustrades, 8 skirt guard, 8a 1st operation hole, 8b 2nd operation hole, 11 skirt guard main body, 12 reinforcement member, 14 skirt guard switch, 17 action piece, 20 pressing member (deformation) Means), 21 operation part, 22 magnet part, 25 wire (deformation means), 31 heater (deformation means).

Claims (6)

truss,
A plurality of steps supported by the truss and connected endlessly;
A balustrade that has a skirt guard facing the side surface of the step and stands on the truss,
A skirt guard switch disposed on the opposite side of the step of the skirt guard and operated by displacing the skirt guard to the opposite side of the step;
An actuating piece provided at a position of the skirt guard facing the skirt guard switch, and when the skirt guard switch is inspected, the actuating piece is deformed independently of the skirt guard and the skirt guard is deformed by the actuating piece. A deformation means for operating the switch,
The operating piece is configured by a leaf spring, a part of which is fixed to the skirt guard,
The stiffness of the actuating piece, rather lower than the rigidity of the skirt guard,
The skirt guard is provided with an operation hole facing the operating piece,
The said deformation | transformation means is a passenger conveyor which is a rod-shaped pressing member which is inserted in the said operation hole and pushes and deform | transforms the said operation piece . The skirt guard has a flat skirt guard body and a reinforcing member fixed to the surface of the skirt guard body opposite to the steps,
The passenger conveyor according to claim 1, wherein the operating piece is attached to the reinforcing member. truss,
A plurality of steps supported by the truss and connected endlessly;
A balustrade that has a skirt guard facing the side surface of the step and stands on the truss,
A skirt guard switch disposed on the opposite side of the step of the skirt guard and operated by displacing the skirt guard to the opposite side of the step;
An actuating piece provided at a position of the skirt guard facing the skirt guard switch, and when the skirt guard switch is inspected, the actuating piece is deformed independently of the skirt guard and the skirt guard is deformed by the actuating piece. A deformation means for operating the switch,
The skirt guard is provided with an operation hole facing the operating piece,
The deformation means is a rod-shaped pressing member that is inserted into the operation hole and deforms by pressing the operating piece,
The pressing member has a rod-like operation part inserted into the operation hole, and a magnet part connected to the operation part,
A passenger conveyor that holds the state in which the skirt guard switch is operated by the operating piece by inserting the operation portion into the operation hole and attracting the magnet portion to the skirt guard. The passenger conveyor according to claim 3 , wherein the operation unit is attracted to the magnet unit by the magnetic force of the magnet unit. truss,
A plurality of steps supported by the truss and connected endlessly;
A balustrade that has a skirt guard facing the side surface of the step and stands on the truss,
A skirt guard switch disposed on the opposite side of the step of the skirt guard and operated by displacing the skirt guard to the opposite side of the step;
An operating piece provided at a position of the skirt guard facing the skirt guard switch; and
Deformation means for deforming the operating piece independently of the skirt guard and operating the skirt guard switch by the operating piece when inspecting the skirt guard switch
With
The operating piece is configured by a leaf spring, a part of which is fixed to the skirt guard,
The rigidity of the operating piece is lower than the rigidity of the skirt guard,
The deforming means is not that passengers conveyors have a wire deforming the operating piece by pulling from a remote of the operating piece. truss,
A plurality of steps supported by the truss and connected endlessly;
A balustrade that has a skirt guard facing the side surface of the step and stands on the truss,
A skirt guard switch disposed on the opposite side of the step of the skirt guard and operated by displacing the skirt guard to the opposite side of the step;
An actuating piece provided at a position of the skirt guard facing the skirt guard switch, and when the skirt guard switch is inspected, the actuating piece is deformed independently of the skirt guard and the skirt guard is deformed by the actuating piece. A deformation means for operating the switch,
The operating piece is composed of a metal piece that is deformed by heating and operates the skirt guard switch,
The deformation means is a passenger conveyor having a heater for heating the working piece.

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