JP2007076814A - Ballast mounting structure of lighting system for passenger conveyor and passenger conveyor - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To easily perform mounting of a ballast when a size of a passenger conveyor frame is restricted or the ballast is added. <P>SOLUTION: The ballast mounting structure of the lighting system for the passenger conveyor is provided with a mounting base 15 externally fitted to an upper edge of the passenger conveyor frame 3; a fixing member 17 screwed with a screw hole formed on the mounting base 15 and having a distal end pressed to the passenger conveyor frame 3; and a retaining body 20 mounted to the mounting base 15 and retaining the stabilizer 12 of the lighting device 11. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a ballast mounting structure for a passenger conveyor lighting device and a passenger conveyor including the ballast mounting structure for the passenger conveyor lighting device.

  Passenger conveyors such as escalators and moving walkways are provided with balustrades on both sides along the moving direction of a plurality of steps that circulate, and a plurality of lighting fluorescent lamps are arranged along the upper edge of the balustrade.

  A ballast is connected to each of the plurality of lighting fluorescent lamps, and mounting structures of these ballasts are described in, for example, Patent Documents 1 and 2 below.

  Patent Document 1 describes a structure in which a ballast mounting base is mounted in a passenger conveyor frame provided under the balustrade, and a plurality of ballasts are mounted on the ballast mounting base.

Patent Document 2 describes a structure in which a mounting space is secured at a position below the handrail belt at the upper edge of the balustrade and a stabilizer is mounted in this mounting space.
Japanese Patent Laid-Open No. 7-247093 Japanese Patent No. 2780603

  However, the above-described ballast mounting structure does not consider the following points.

  According to the ballast mounting structure described in Patent Document 1, it is necessary to secure a space for mounting the ballast mounting base in the passenger conveyor frame. However, if the passenger conveyor frame becomes smaller due to building restrictions, or if the number of passenger conveyor control parts increases and these control parts are installed in the passenger conveyor frame, It is difficult to secure a space for installation in the passenger conveyor frame.

  Furthermore, when adding a ballast along with renewal work to change the shape of the balustrade, it is necessary to add a support for mounting the stabilizer mounting base in the passenger conveyor frame, and the support is added to the passenger conveyor frame. Screw holes for welding or screwing the support must be formed in the passenger conveyor frame, and it takes time to add a stabilizer.

  According to the ballast mounting structure described in Patent Document 2, the structure of the balustrade becomes complicated and the cost increases. Furthermore, the handrail belt is heated by the heat generated from the ballast, which may cause discomfort to the user who holds the handrail belt.

  The present invention has been made to solve such problems, and its purpose is to facilitate the installation of the ballast when the size of the passenger conveyor frame is restricted or when a ballast is added. It is providing the passenger conveyor provided with the stabilizer attachment structure of the illuminating device for passenger conveyors and the stabilizer attachment structure of the illuminating device for passenger conveyors.

  A first feature according to an embodiment of the present invention is that, in a ballast mounting structure for a passenger conveyor lighting device, a mounting base that is externally fitted to an upper edge portion of a passenger conveyor frame, and a screw formed on the mounting base A fixing member that is screwed into the hole and whose tip is pressed against the passenger conveyor frame; and a holder that is attached to the mounting base and holds the stabilizer of the lighting device.

  According to a second aspect of the present invention, in the passenger conveyor, the ballast mounting structure for the passenger conveyor lighting device according to the first aspect is provided.

  ADVANTAGE OF THE INVENTION According to this invention, attachment of the stabilizer of the illuminating device in a passenger conveyor, and an additional operation | work can be performed easily without an effort.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  As shown in FIG. 1, an escalator 1 that is a passenger conveyor according to an embodiment of the present invention includes a plurality of steps 2 that circulate and move (see FIG. 4) and a pair of steps 2 arranged on both sides in the moving direction of step 2. It has an escalator frame 3 that is a passenger conveyor frame, and a pair of balustrades 4 erected on the escalator frame 3. The balustrade 4 includes a panel 5, a skirt guard 6 (see FIG. 4), an inner ledge 7 (see FIG. 4), and an outer deck 8 (see FIG. 4). A handrail frame 9 is provided on the peripheral edge of the panel 5, and a handrail belt 10 that moves in synchronization with step 2 is attached to the outer periphery of the handrail frame 9.

  At positions along the upper edge of the balustrade 4, a plurality of illumination fluorescent lamps 11, which are illumination devices, are attached below the handrail frame 9. Each lighting fluorescent lamp 11 is connected to a ballast 12, and an electric wire 13 connecting the lighting fluorescent lamp 11 and the ballast 12 is wired along the handrail frame 9 and in the escalator frame 3. ing.

  The escalator frame 3 is provided with a frame upper edge main beam member 14 disposed along the upper edge portion of the escalator frame 3. As shown in FIG. 5, the frame upper edge main beam member 14 is formed in an L-shaped cross section having a vertical plate portion 14a and a horizontal plate portion 14b.

  A plurality of attachment bases 15 used for attaching the stabilizer 12 are detachably attached to the frame upper edge main beam member 14. The mounting base 15 includes a base body 15c having a first plate portion 15a and a second plate portion 15b and a U-shaped cross-sectional shape welded to a distal end portion of the second plate portion 15b. The engaging portion 15d. A plurality of screw holes 16 are formed in the first plate portion 15a, and a recessed tip bolt 17 as a fixing member is screwed into these screw holes 16. As shown in FIG. 6, the recessed bolt 17 has a recess 18 formed at the tip, and a ring-shaped protrusion 19 is formed around the recess 18.

  The attachment base 15 is attached to the frame upper edge main beam member 14 by attaching the attachment base 15 with the first plate portion 15a facing downward and the second plate portion 15b facing horizontally to the frame upper edge main beam member 14 from above. The fitting is performed by engaging the engaging portion 15d with the tip of the horizontal plate portion 14b, screwing the recessed bolt 17 into the screw hole 16, and tightening.

  A holding body 20 is attached to the attachment base 15. The holding body 20 is formed by connecting a pair of stays 20a positioned in parallel to each other and a pair of stays 20b positioned in parallel in a direction orthogonal to the stays 20a in a well shape. The holding body 20 is provided with a duct 20c through which the electric wire 13 is wired in parallel to the stay 20b, and the duct 20c is fixed to the stay 20a. The holding body 20 is attached to the mounting base 15 by screwing a mounting bolt 21 penetrating the stay 20a into a screw hole (not shown) formed in the mounting base 15. One holding body 20 is mounted across two mounting bases 15, and one stay 20 a in one holding body 20 is bolted to the first mounting base 15 by mounting bolts 21, and the other stay 20 a. Is bolted to the second mounting base 15 by mounting bolts 21.

  A plurality of ballasts 12 are attached to the holding body 20. The ballast 12 is formed in a rectangular parallelepiped shape, and one end in the longitudinal direction of the ballast 12 is fixed to one stay 20b, and the other end in the longitudinal direction of the ballast 12 is fixed to the other stay 20b.

  In such a configuration, when attaching the ballast 12 of the lighting fluorescent lamp 11 to the escalator 1, first, the mounting base 15 is attached to the frame upper edge main beam member 14. As shown in FIG. 5A, the mounting base 15 is first attached to the frame upper edge main beam member 14 by screwing the recessed bolt 17 into the screw hole 16 of the mounting base 15. Temporarily fix the tip at a position where it does not penetrate the first plate portion 15a.

  Next, as shown in FIG. 5B, the mounting base 15 is fitted on the upper edge of the frame upper edge main beam member 14, and the lower surface of the second plate portion 15b is brought into contact with the upper surface of the horizontal plate portion 14b. Let

  Next, as shown in FIG. 5 (c), the indentation bolt 17 is tightened, its tip is pressed against the vertical plate portion 14a, the mounting base 15 is translated in the horizontal direction, and the engaging portion 15d is moved to the horizontal plate portion. Engage with the tip of 14b. At this time, the ring-shaped convex portion 19 of the recessed bolt 17 bites into the vertical plate portion 14a, and the attachment base 15 can be firmly attached to the frame upper edge main beam member 14. For this reason, even if the attachment base 15 is attached to the inclined portion of the frame upper edge main beam member 14 as shown in FIG. 1, the attached attachment base 15 is not displaced.

  In addition, since the attachment base 15 is attached to the outside of the escalator frame 3 instead of the inside, even when the escalator frame 3 is downsized due to various restrictions, the escalator frame 3 is downsized. The mounting base 15 can be mounted without being restricted.

  Furthermore, when attaching the attachment base 15 to the frame upper edge main beam member 14, it is not necessary to perform processing for attaching the attachment base 15, for example, screw hole machining, on the frame upper edge main beam member 14. For this reason, the attachment base 15 can be attached to the frame upper edge main beam member 14 in a short time without trouble.

  Mounting of the holding body 20 to the mounting base 15 is performed by bolting the holding body 20 to the mounting base 15 with mounting bolts 21, so that the mounting of the holding body 20 to the mounting base 15 can be easily performed without trouble. Can be done.

  The ballast 12 may be attached to the holding body 20 with respect to the holding body 20 after being attached to the attachment base 15 or may be attached to the holding body 20 before being attached to the attachment base 15. . When the ballast 12 is attached to the holding body 20 before being attached to the attachment base 15, the attachment work can be performed in a sufficiently large work space. In addition, when the ballast 12 is attached to the holding body 20 after being attached to the attachment base 15, a sufficient working space can be secured around the holding body 20.

  When replacing the ballast 12 during maintenance, it is possible to secure a sufficient working space around the holding body 20 by removing the skirt guard 6 and the inner ledge 7. It can be performed in a short time without spending time.

  When the ballast 12 is added along with renewal work for changing the shape of the balustrade 4, a mounting base 15 is added to the frame upper edge main beam member 14, and a holding body 20 is added to the mounting base 15. What is necessary is just to attach, and the stabilizer 12 can be added easily.

  In this embodiment, the case where the ballast mounting structure of the passenger conveyor lighting device is applied to the escalator 1, which is an example of the passenger conveyor, is described as an example. The ballast mounting structure can be applied.

It is a schematic block diagram of an escalator provided with the stabilizer mounting structure of the illuminating device for passenger conveyors concerning one embodiment of this invention. It is a side view which shows the ballast attachment structure of the illuminating device for passenger conveyors. FIG. It is the sectional view on the AA line in FIG. It is process drawing which shows the attachment procedure of the attachment base to a frame upper edge main beam material. It is a perspective view which shows a dent bolt.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Passenger conveyor 3 Passenger conveyor frame 11 Illuminating device 12 Ballast 15 Mounting base 16 Screw hole 17 Fixing member, hollow bolt 19 Convex part 20 Holding body

Claims (3)

A mounting base fitted on the upper edge of the passenger conveyor frame;
A fixing member that is screwed into a screw hole formed in the mounting base and whose tip is pressed against the passenger conveyor frame;
A holder attached to the mounting base and holding a ballast of the lighting device;
A ballast mounting structure for an illumination device for passenger conveyors.   The ballast mounting structure for an illuminating device for passenger conveyor according to claim 1, wherein the fixing member is a recessed bolt having a ring-shaped convex portion formed at a tip portion thereof. A passenger conveyor comprising the stabilizer mounting structure for a lighting device for a passenger conveyor according to claim 1 or 2.

Images