JP4963823B2 - Passenger conveyor lighting equipment - Google Patents

Description

  The present invention relates to an illuminating device for a passenger conveyor that is installed below a number of moving steps of a passenger conveyor and emits light upward from the breaks between the steps.

  In passenger conveyors such as escalators and moving walkways, lighting devices are installed below the steps to indicate the presence of many moving steps and to inform passengers of the appearance of curved roads. Some of them emit light toward the upper part of the step.

As an installation form of a conventional lighting device, for example, as seen in Japanese Patent Application Laid-Open No. 3-205292 or Japanese Utility Model Laid-Open No. 4-24580, an illuminating lamp and an accessory for driving the illuminating lamp are individually structured such as a truss There is known one that is attached to and detached from an object.
Japanese Patent Laid-Open No. 3-205292 Japanese Utility Model Publication No.4-245580

  In the space below the steps of the passenger conveyor, the range in which articles can be installed is limited so as not to hinder the movement of the steps, so it is difficult to ensure a sufficient working space for attaching and detaching the lighting device. Recently, the truss has become narrower due to the promotion of space saving, and the mechanism of that kind has been installed under the step due to the proposal of a new handrail drive system, etc. The space below is further narrowed, and the work space for attaching and detaching the lighting device is further reduced.

  For this reason, as in the prior art, in the form in which the illuminating lamp and each accessory for driving the illuminating lamp are individually attached and detached individually, there is a disadvantage that work efficiency is deteriorated, and improvement is desired. It was.

  The present invention has been made in view of the above circumstances, and an object thereof is to provide an illumination device for a passenger conveyor that can be easily attached and detached even in a narrow work space.

In order to achieve the above object, the present invention is an illumination device for a passenger conveyor that is installed below a number of steps in which a passenger conveyor moves and emits light upward from the breaks between the steps. A step drive for driving the step , comprising: an illuminating lamp; an accessory for driving the illuminating lamp; and a support means for integrating the illuminating lamp and the ancillary article and detachably attached to a passenger conveyor in that state. The shaft and a handrail drive shaft for driving the handrail belt are connected to each other and attached to a cover that covers a transmission mechanism that transmits the driving force of the step drive shaft to the handrail drive shaft .

  The illuminating device of the present invention can be attached / detached to / from the passenger conveyor at the same time as the illuminating lamp and the accessory, so that the attaching / detaching work is easy even in a narrow work space.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a side sectional view of a passenger conveyor (escalator) to which a lighting device according to a first embodiment of the present invention is attached, FIG. 2 is a plan view of the main part of the passenger conveyor of FIG. 1, and FIG. It is the figure seen in the direction.

  In FIG. 1, reference numeral 1 is a truss spanned between floors, and a large number of steps 2 (only a part of which is shown) are arranged endlessly. These steps 2 are connected to each other via an endless conveyor chain 3, and one end of the conveyor chain 3 is wound around a drive sprocket 4 disposed at an end portion on the upper floor side of the truss 1, The other end of the conveyor chain 3 is wound around a driven sprocket 5 disposed at the lower end of the truss 1.

  As shown in FIG. 2, the drive sprocket 4 is attached to the tip of a step drive shaft 6 extending in the left-right direction. The step drive shaft 6 is supported by the truss 1 via a bearing (not shown) and is rotated around the axis. It is free to rotate.

  A sprocket 7 is concentrically attached to the drive sprocket 4, and this sprocket 7 is connected to a sprocket 9 attached to a rotating shaft of a motor 8 (see FIG. 1) via a chain 10. When the motor 8 is driven, the step drive shaft 6 rotates via the chain 10, the conveyor chain 3 wound around the drive sprocket 4 moves in the longitudinal direction, and step 2 circulates in the traveling direction (direction B in FIG. 3). Moving.

  As shown in FIG. 1, a plurality of balustrade panels 11 are erected in parallel with the traveling direction on both sides in the traveling direction of Step 2 (only one side is shown), and an endless handrail belt 12 is disposed on the outer peripheral portion thereof. Is slidably attached in the longitudinal direction. The handrail belt 12 is driven by transmitting the driving force of the step drive shaft 6 by a transmission mechanism as described below.

  That is, reference numeral 13 in FIG. 2 denotes a handrail drive shaft, which is arranged in parallel with the step drive shaft 6 and supported by a beam 1a extending in the front and rear direction of the truss 1 via a bearing 14 (see FIG. 3), and rotates around the axis. It is free. A sprocket 15 is attached to an intermediate portion of the handrail drive shaft 13 and is connected to a sprocket 16 attached to an intermediate portion of the step drive shaft 6 via an endless chain 17. The chain 17 is covered with an annular cover 18.

  The transmission mechanism for transmitting the driving force of the step drive shaft 6 to the handrail drive shaft 13 is not limited to the sprockets 15 and 16 and the chain 17 as described above, but other mechanisms (for example, a plurality of friction wheels). It is also possible to adopt a combination).

  A handrail drive wheel 19 is attached to the front end portion of the handrail drive shaft 13, and the outer peripheral portion thereof is in contact with the inner surface of the handrail belt 12. When the step drive shaft 6 rotates, the driving force is transmitted to the handrail drive shaft 13 via the chain 17 to rotate the handrail drive shaft 13 and the handrail drive wheel 19 moves the handrail belt 12 in the longitudinal direction. Therefore, the step 2 and the handrail belt 12 move in synchronization.

  The lighting device 20 is installed below the step 2, and the lighting device 20 emits light from the break between the steps 2 toward the upper side of the step 2, so that the presence of the moving step 2 is shown to the passenger. In order to inform passengers of the appearance of curved roads.

  The illuminating device 20 includes a pair of elongated illuminating lamps 21, a pair of bowl-shaped illumination receivers 22 that accommodate the illuminating lamps 21, and a plurality of accessory items 23 (for example, ballasts) for driving the illuminating lamps 21. And a plate-like support member 24. The support member 24 has a vertical protruding piece 24a (see FIG. 3) protruding upward from the upper surface on one side and a horizontal protruding piece 24b (see FIG. 2) protruding sideways from the bottom surface on the other side. is doing.

  The illumination receiver 22 extends in the front-rear direction and is arranged in parallel at a distance from side to side, and is fixed to the support member 24 by welding, screwing, or the like with one end protruding from the end edge of the support member 24. Each illumination lamp 21 is formed slightly longer than the illumination receiver 22, and is fixedly supported in the illumination receiver 22 with both ends protruding from the illumination receiver 22. Each accessory 23 is fixed to the upper surface of the support member 24 so as to be positioned between the illumination receivers 22.

  The support member 24 has a vertical protrusion 24a detachably fixed to the cover 18 via a screw 25, and a horizontal protrusion 24b detachably fixed to a beam 1b extending left and right in the truss 1 via a screw 25. Yes.

  In order to make the drawing easier to see, in FIG. 2, illustration of step 2, conveyor chain 3, balustrade panel 11, and the like is omitted, and a part of the truss 1 is illustrated by a virtual line.

  3, the illustration of the conveyor chain 3, the drive sprocket 4, the step drive shaft 6, the sprocket 7, the chain 10, the balustrade panel 11, the handrail belt 12, the handrail drive shaft 13, the chain 17 and the like is omitted, and the truss 1 A part of the sprockets 15 and 16 is shown by phantom lines.

  In the present embodiment, there are sprockets 15 and 16 and a chain 17 that are transmission mechanisms for transmitting the driving force of the step driving shaft 6 to the handrail driving shaft 13 below the step 2 and a cover 18 that covers the chain 17. The work space below step 2 is narrow. Therefore, if it is going to attach and detach the illuminating lamp 21 and the accessory 23 of the illuminating device 20 individually to the passenger conveyor as in the prior art, the work is complicated and time-consuming.

  Therefore, in the lighting device 20 of the present embodiment, the illuminating lamp 21 and the accessory 23 are attached to the illumination receiver 22 and the support member 24, and the support member 24 is detachably attached to the beam 1b and the cover 18 of the truss 1 with screws 25. Since it can be attached to the passenger conveyor at the same time as a unit in which the illuminating lamp 21 and the accessory 23 are integrated, the labor required for attaching / detaching the lighting device is reduced and the attaching / detaching operation becomes easy. .

  Further, in this embodiment, the wiring 26 from the truss 1 to the illuminating lamp 22 and the accessory 23 has a length of about 2 to 3 m, and the support member 24 is attached to the truss 1 for work such as inspection and adjustment. And after removing from the cover 18, the support member 24 can be placed in a space that does not hinder the work while the wiring 26 remains connected. Therefore, the work of attaching and detaching the wiring 26 becomes unnecessary, and labor is reduced, so that workability is improved.

  Further, since the lighting device 20 is attached to the cover 18, when it is necessary to remove the cover 18 in addition to the removal of the lighting device 20, the cover 18 to which the lighting device 20 is attached is removed from the truss 1. The lighting device 20 and the cover 18 can be removed simultaneously. Therefore, labor is reduced and workability is improved.

  Next, a second embodiment of the present invention will be described. FIG. 4 is a plan view of an essential part of a passenger conveyor to which the lighting device according to the second embodiment of the present invention is attached, and FIG. 5 is an enlarged view of the accessory of FIG. In the following embodiments, the same reference numerals are used for the same or similar parts as those in the first embodiment, and duplicate descriptions are omitted.

  In the first embodiment, the illuminating lamp and the accessory are supported by one supporting member. However, when the illuminating lamp is long, the illuminating lamp and the accessory are supported by using a plurality of supporting members. You may make it do.

  FIG. 4 shows an example of this. One end of a pair of illumination receivers 22 and each accessory 23 are supported by a support member 24, and the other end of each illumination receiver 22 is supported by a support member 27. They are fixed to each other.

  Also in this case, the illuminating lamp 21 and the accessory 23 can be handled as a single unit, and can be attached to and detached from the truss 1 and the cover 18 at the same time.

  Further, as shown in FIG. 5, in the present embodiment, a connector 28 is provided at a connection portion between the accessory 23 and the wiring 26. The connector 28 includes a socket 28a provided on the accessory 23 side and a block 28b provided on the wiring 26 side. The block 28b can be inserted into and removed from the socket 28a in the direction of arrow C. ing. Thereby, since the attachment / detachment of the wiring 26 to / from the accessory 23 can be performed with one touch, the attaching / detaching work of the wiring 26 is facilitated.

  If the color of the connector 28 is different for each wiring 26, the wiring 26 can be easily attached and detached, and erroneous wiring can be prevented.

  Such a connector 28 can also be provided between the wiring from the truss to the illuminating lamp and the illuminating lamp.

  In each of the above embodiments, the case where a fluorescent lamp is used as an illuminating lamp has been described as an example. However, the structure of the present invention is also applied to the case where an LED or a white light bulb is used as the illuminating lamp. Can do.

  FIG. 6 is a plan view showing an example of such a lighting device 20, and FIG. 7 is a view of FIG.

  An illuminating lamp 21 composed of a plurality of white light bulbs (or LEDs) is supported on the support member 24 in a state of being aligned in two rows in the advancing direction of step 1. In addition, illustration of the accompanying goods 23 is abbreviate | omitted in FIG. By detachably attaching the support member 24 to the passenger conveyor with screws or the like, the illumination lamp 21 and the accessory 23 can be attached to and detached from the passenger conveyor simultaneously as one unit.

  The embodiments of the present invention have been described above with specific examples. However, the present invention is not limited to the above-described embodiments, and various modifications can be made to the above-described embodiments without departing from the gist of the present invention. Can be modified.

Side surface sectional drawing of the passenger conveyor to which the illuminating device of the 1st Embodiment of this invention was attached. The principal part top view of the passenger conveyor of FIG. The figure which looked at FIG. 1 in the arrow A direction. The principal part top view of the passenger conveyor with which the illuminating device of the 2nd Embodiment of this invention was attached. FIG. 5 is an enlarged view of the accessory of FIG. 4. The top view of the modification of embodiment. The figure which looked at FIG. 6 in the arrow D direction.

Explanation of symbols

1 truss 2 step 6 step drive shaft 13 handrail drive shaft 15 sprocket (transmission mechanism)
16 Sprocket (Transmission mechanism)
17 Chain (Transmission mechanism)
18 Cover 20 Illumination device 21 Illumination lamp 22 Illumination receiver (supporting means)
23 accessory 24 support member (support means)
26 Wiring 27 Support member (support means)
28 Connector

Claims (4)

An illuminating device for a passenger conveyor, which is installed below a number of steps on which a passenger conveyor moves and emits light from the breaks between the steps toward the upper side of the step, comprising an illuminating lamp and an associated driving device for driving the illuminating lamp And a support means that integrates the illuminating lamp and the accessory and can be attached to and detached from the passenger conveyor in that state .
The step drive shaft that drives the step and the handrail drive shaft that drives the handrail belt are connected to each other and attached to a cover that covers a transmission mechanism that transmits the driving force of the step drive shaft to the handrail drive shaft. Passenger conveyor lighting equipment. The lighting device for a passenger conveyor according to claim 1, wherein the lighting device is moved to a space where inspection and adjustment work can be performed in a state where wiring from the truss of the passenger conveyor to the illuminating lamp and the accessory is connected. The passenger conveyor lighting device is characterized in that a margin is provided for the length of the wiring . The illumination device for a passenger conveyor according to claim 1 , further comprising a connector for detachably connecting a wiring from the truss of the passenger conveyor to the illumination lamp and the accessory. apparatus. 4. The passenger conveyor lighting device according to claim 3 , wherein a plurality of the connectors are provided, and the connectors are color-coded for each wiring .

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