JP2011253628A - Marker light device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a marker light device capable of attaining cost reduction.SOLUTION: The marker light device is provided with: a base body 4 which has a tube-shape outer peripheral wall and is embedded in the road surface G; a spacer body 3 which has a tube-shape outer peripheral wall and is supported over the base body 4; and a lamp body 2 which has projection windows 5a, 5b and is supported by the spacer body 3. Further, in the marker light device 1, the outer diameter of the outer peripheral wall of the spacer body 3 is formed larger than the outer diameter of the outer peripheral wall of the base body 4, and the these spacer body 3 and base body 4 are formed so that a part of the respective outer peripheral walls may be superimposed in a perpendicular direction.

Description

  Embodiments described herein relate generally to a marker lamp apparatus.

  In general, an aviation beacon lamp apparatus is known as an example of this type of beacon lamp apparatus (see, for example, Patent Document 1). This is buried in the plane of the airport aircraft runway and used as a marker light for aircraft pilots.

  There are three types of domestic air traffic sign lamps of this type: the FH type with a 400 mm outer diameter, the FM type with 300 mm, and the FL type with 214 mm. Generally, the larger outer diameter size is. High light output.

  On the other hand, in the international standard (IEC), the lamp size is 8 inches (outer diameter 203 mm), 10 inches (254 mm), 12 inches (304 mm), 17 inches (438 mm). Diameter size is different.

JP 2003-336230 A

  For this reason, for example, when a guide center line lamp that has already been embedded in the domestic standard FL type is re-developed, for example, by replacing it with an 8-inch IEC-compliant device, the new spacer size has an outer diameter. About 250 mm is necessary, and the size is larger than the outer diameter of the existing FL type base.

  For this reason, when an aircraft wheel passes over the air traffic light, when the aircraft load is applied to the air traffic light, the aircraft load is not only transmitted from the spacer to the base. The load may be transmitted to the road pavement around the base. For this reason, it is now necessary to replace the base with the FM type.

  However, since the base is already buried in the road surface and is firmly fixed in the ground, this base is dug up and taken out from the ground, and the buried hole is further removed from a large FM base. There is a problem that it is necessary to carry out civil engineering work to expand the diameter to a size suitable for the size, which requires a great deal of cost and work.

  The embodiment of the present invention has been made in consideration of such circumstances, and an object thereof is to provide a marker lamp device capable of reducing the cost.

  According to an embodiment of the present invention, a base having a cylindrical outer peripheral wall and embedded in a road surface; a spacer having a cylindrical outer peripheral wall and supported on the base; and a light projecting portion A lamp body supported by the spacer, and the outer diameter of the outer peripheral wall of the spacer is formed to be larger than the outer diameter of the outer peripheral wall of the base. A part of the outer peripheral wall is formed to overlap in the vertical direction.

  According to the present invention, cost reduction can be achieved.

The schematic longitudinal cross-sectional view of the state embedded in the road surface of embodiment. The top view of embodiment shown in FIG. The perspective view of embodiment shown in FIG. The exploded view which shows a part of embodiment shown in FIG. 1 in a cross section.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the drawings, the same or corresponding parts will be described with the same reference numerals.

  FIG. 2 is a plan view of an embodiment of the present invention, and FIG. 3 is a perspective view thereof. As shown in FIGS. 2 and 3, the marker lamp device 1 according to the present embodiment includes a base 4 that has a cylindrical outer peripheral wall and is embedded in the road surface G, and a base 4 that has a cylindrical outer peripheral wall. A spacer 3 supported above and a lamp body 2 having light projection windows 5a and 5b as light projecting portions and supported by the spacer 3 are provided. In addition, the marker lamp device 1 is formed such that the outer diameter of the outer peripheral wall of the spacer 3 is larger than the outer diameter of the outer peripheral wall of the base 4, and the spacer 3 and the base 4 are each of the outer peripheral walls. A part of is formed so as to be polymerized in the vertical direction.

In the present embodiment, an adjustment ring 6 for adjusting the horizontal projection angle of the pair of projection windows 5a and 5b is interposed between the lamp body 2 and the spacer 3. Each housing of the lamp body 2, the adjustment ring 6, the spacer 3 and the base 4 is formed by aluminum die casting or the like. The present invention includes a form in which the adjusting ring 6 is omitted and the lamp body 2 is directly supported by the spacer 3 as another embodiment.

  As shown in FIG. 3, the marker lamp device 1 includes a spacer 3 and an adjustment ring 6 that are open on both ends in the axial direction (vertical direction in FIG. 3) on a bottomed cylindrical base 4. The lamp body 2 is assembled by sequentially joining in this order in the axial direction, that is, in the vertical direction.

FIG. 1 shows a state in which the indicator lamp device 1 assembled in this way is embedded inside a required road surface G such as an airport runway or a taxiway to the runway. In the lamp device 1, a load resistance against an aircraft load when an aircraft wheel passes over the upper surface is defined by the standard as 32 kgf / cm ² with respect to the upper surface area.

  As shown in the exploded view of the marker lamp apparatus 1 in FIG. 4, the lamp body 2 includes a substantially disc-shaped upper lamp body 2a and a cylindrical shape integrally concentrically with a smaller diameter than the upper lamp body 2a. Lower lamp body 2b. The upper lamp body 2a is formed to a predetermined thickness by casting a high-strength metal, and the lower lamp body 2b is formed by aluminum die casting.

  The upper lamp body 2a is formed with a circular flat surface 2a1 at the center of the upper surface and an inclined surface 2a2 with an outer periphery formed on the inclined surface 2a2, and on the inclined surface 2a2, as shown in FIGS. A plurality of bolt insertion holes 2a3 are formed at predetermined intervals in the direction. These bolt insertion holes 2a3 are inserted with stat bolts 6c, 6c,... Pre-installed in an adjustment ring 6 to be described later, and nuts 7, 7,. The lamp body 2 is firmly fastened to the adjustment ring 6.

  Further, the upper lamp body 2a has a pair of rectangular light projection windows 5a and 5b, which are examples of a light projecting portion, formed on the outer peripheral inclined surface 2a2. The pair of light projection windows 5a and 5b are arranged to face each other in the horizontal direction, or arranged to face each other at a required angle with respect to the horizontal direction, and project light in the centrifugal direction.

  A prism (not shown) is arranged inside the light projection windows 5a and 5b as a part of the optical unit. In the optical unit, the prism, light source, reflecting mirror, dichroic filter, neutral density filter, lamp socket, and the like are unitized and attached to the inner surface of the lower lamp body 2b. The light source is composed of a halogen bulb, an LED (light emitting diode) or the like. As shown in FIG. 4, a relay terminal block 2b1 electrically connected to the lamp socket of the optical unit is disposed on the lower outer surface of the lower lamp body 2b, and a plug 2b2 is electrically connected to the relay terminal block 2b1. Connected to. A connector 2b4 having a wiring 2b3 is detachably attached to the plug 2b2 and electrically connected thereto.

  The adjustment ring 6 adjusts the light projecting direction of the pair of light projecting windows 5a and 5b by appropriately adjusting the mounting position in the circumferential direction of the lamp body 2 to fix the lamp body 2, and the lower lamp body 2b. An upper fitting hole 6b into which the upper lamp body 2a is fitted is formed in the upper part of the adjustment ring 6. In addition, a lower fitting hole 6c for reducing the diameter of the upper fitting hole 6b and fitting the lower lamp body 2b is integrally and concentrically integrated with the upper fitting hole 2b at the lower part, and is downward in the figure. A protruding fitting protrusion 6d is formed.

  As shown in FIGS. 2 and 3, the adjustment ring 6 is directed to the inner peripheral portion of the annular upper end 6e, which is the outer peripheral side of the upper fitting hole 6b, toward the outer peripheral side of the upper lamp body 2a on the inner peripheral side. A plurality of U-shaped notches 6f, 6f,... For adjusting the mounting position that are long in the circumferential direction are formed at a required pitch in the circumferential direction. The shaft portion of the fastening bolt 6g is inserted through these U-shaped notches 6f, 6f,. That is, as shown in FIG. 2, the heads of the fastening bolts 6 g are arranged on the outer side (outer peripheral side) of the upper end outer periphery of the upper lamp body 2 a and are exposed to the outside on the upper end 6 e side of the adjustment ring 6.

  Further, in the adjustment ring 6, an annular intermediate flange 6h is integrally formed on the inner surface of the upper fitting hole 6b at the lower end in FIG. 4 so that the lower end surface of the upper lamp body 2a is locked in FIGS. Has been. The lower lamp body 2b is inserted into the central space of the intermediate flange 6h as shown in FIG. Further, the lower end surface of the outer peripheral portion protruding in the outer diameter direction in FIGS. 1 and 4 of the upper lamp body 2a abuts on the intermediate flange 6h, so that almost the entire upper lamp body 2a is made as shown in FIG. Projecting upward from the road surface G, the pair of light projection windows 5a and 5b of the upper lamp body 2a are exposed upward from the road surface G.

  The intermediate flange 6h has a plurality of stud bolts 6a, 6a,... Standing upward in the upper surface in FIGS. A plurality of elongated hole insertion holes 6i are formed at positions corresponding to the circumferential adjustment notches 6f at the mounting positions.

  The spacer 3 is constituted by a cylindrical body that adjusts the mounting height of the lamp body 2, and a fitting protrusion 6 d of the adjustment ring 6 and a lower part of the lower lamp body 2 b are provided on an upper portion 3 a of the spacer 3 in the figure. A fitting hole 3b to be fitted is formed. Further, a fitting projection 3c having a diameter reduced to the required diameter of the fitting hole 3b is formed concentrically and integrally below the spacer 3.

  As shown in FIG. 4, the spacer 3 is integrally formed with an annular upper flange 3d joined to the outer bottom surface of the intermediate flange 6f of the adjustment ring 6 at the upper end of the upper portion 3a in the figure. The upper flange 3d is provided with a screw hole 3e into which a screw portion of a fastening bolt 6g inserted into the bolt insertion hole 6i of the adjustment ring 6 is screwed and coupled at a predetermined interval in the circumferential direction. In each of these screw holes 3e, a boss is locally coupled integrally with the inner peripheral surface of the housing of the spacer 3 so as to improve the strength of the screw hole 3e.

  The spacer 3 is on the outer peripheral side of the upper end of the fitting projection 3c, and a lower flange 3f is integrally formed on the bottom outer bottom surface of the fitting hole 3a.

  In the lower flange 3f, a plurality of spacer bolt insertion holes 3h through which the thread portions of the spacer fastening bolts 3g are inserted are formed at predetermined intervals in the circumferential direction. And the spacer 3 forms the chamfer 3i which diameter-reduces the outer diameter of this upper part 3a toward the upper end in the figure of the base 4 in the lower part of the upper part 3a over the outer periphery. The chamfer 3 i may be formed so as to coincide with the outer diameter of the upper end of the base 4.

  As shown in FIG. 1, the base 4 is placed on the bottom of the buried hole h of the marker lamp device 1 formed on the road surface G, and is firmly fixed by the bottom layer G1 and the side layer G2. ing. The outer peripheral surfaces of the spacer 3 and the adjustment ring 6 are embedded and fixed in the formation G3 above the formation G2.

  The base 4 is composed of a bottomed cylindrical body having an outer diameter smaller than the outer diameter of the spacer 3, and a fitting hole 4 a for fitting the fitting protrusion 3 c of the spacer 3 is formed at the upper end in the figure. The flange 4b is formed concentrically at the upper end on the outer peripheral side of the fitting hole 4a. This flange 4 b is joined to the lower flange 3 f of the spacer 3. The flange 4b at the upper end of the base 4 is formed with a screw hole 4c into which the screw portion of the spacer fastening bolt 3g inserted through the bolt insertion hole 3h of the spacer 3 is screwed and screwed.

  Therefore, as shown in FIG. 1, the spacer 3 is firmly fastened to the base 4 by a plurality of spacer fastening bolts 3g, 3g,. Further, the adjustment ring 6 is placed concentrically on the spacer 3 and is firmly fastened by a plurality of adjustment ring fastening bolts 6g, 6g,. Further, the base 4 is formed with a wiring outlet (not shown) for extending the wiring 2b3 of the lamp body 2 to the outside of the base 4.

  The lamp body 2 is firmly fixed by inserting the plurality of bolt insertion holes 2a3 and tightening the nuts 7 and 7 to the protruding end portions of the plurality of stud bolts 6a of the adjustment ring 6 protruding upward. Is done.

  Further, the adjustment ring 6 is formed by inserting the screw portion of the fastening bolt 6g into the bolt insertion hole 6f through the U-shaped notch 6f and the bolt insertion hole 6i at the upper end of the adjustment ring 6 and screwing into the screw hole 3e of the spacer 3. Can be attached to the spacer 3.

  Furthermore, the spacer 3 can be fastened and attached to the base 4 by inserting the screw portion of the fastening bolt 3g into the bolt insertion hole 3h of the spacer 3 and screwing it into the screw hole 4c of the base 4. .

  As shown in FIG. 1, in the state where the marker lamp device 1 is assembled in this manner, an adhesive such as silicone resin is provided in the annular gap between the outer peripheral surface of the marker lamp device 1 and the buried hole h of the road surface G. 8 is filled, and the marker lamp device 1 is firmly fixed to the road surface G. When the adhesive 8 is filled, the adhesive 8 is guided by the chamfered surface 3i of the spacer 3 due to its fluidity and flows into the inside of the joint between the spacer 3 and the base 4. Is reduced.

  When the marker lamp device 1 is assembled, the base 4, the spacer 3, and the adjusting ring 6 are joined together by the flanges 4b, 3d and 3f, 6i, respectively, and these joint surfaces are almost as shown in FIG. It is almost the same in the vertical direction.

  For this reason, when an aircraft load is applied to the lamp body 2, the load is transmitted to the base 4 through the adjustment ring 6 and the spacer 3 in a substantially vertical direction and is received by the base 4. Even if the outer diameter of the base 4 is smaller than the outer diameter of the spacer 3 and the adjustment ring 6, it is possible to improve the load bearing performance. For this reason, it is possible to reduce the occurrence of bending load on the outer periphery of the spacer 3 and the adjustment ring 6.

  The heads of the respective fastening bolts 6g are arranged outside the outer periphery of the upper lamp body 2a as shown in FIG. 2, that is, on the outer peripheral side, and are exposed on the road surface G. Each fastening bolt 6g can be tightened without being removed from the ring 6. Thereby, it can be expected that the lamp body 2 is prevented from falling off from the adjustment ring 6 and from being loosened.

  Further, the nuts 7, 7,... For attaching the lamp body 2 to the adjustment ring 6 are exposed on the upper surface of the lamp body 2. Therefore, the nuts 7, 7,. The fastening operation can be performed as appropriate. As a result, it is possible to reduce the falling off or loosening of the lamp body 2 that directly receives the aircraft load from the adjustment ring 6.

  And according to this marker lamp apparatus 1, even when it replaces with the marker lamp apparatus 1 of the standard larger than the base 4 already embed | buried in the road surface G, a standard change is easily performed without replacing this base 4 It can be carried out. Moreover, since the base 4 whose outer diameter is smaller than the spacer 3 can be used, cost reduction can be aimed at.

  In addition, according to the said embodiment, although the case where the spacer 3 was used was demonstrated, this invention is not limited to this, A spacer may be provided in the spacer 3 further, and the spacer 3 is further provided. You may comprise itself so that height adjustment is possible.

  DESCRIPTION OF SYMBOLS 1 ... Mark light apparatus, 2 ... Lamp body, 3 ... Spacer, 3d ... Spacer upper flange, 3f ... Spacer lower flange, 4 ... Base, 4b ... Base flange, 5a, 5b ... Light projection Window (light projecting part), 6 ... adjustment ring, 6a ... stud bolt, 6e ... upper flange of adjustment ring, 6f ... lower flange of adjustment ring, 6g ... fastening bolt, 7 ... nut.

Claims (4)

A base having a cylindrical outer peripheral wall and embedded in the road surface;
A spacer having a cylindrical outer peripheral wall and supported on a base;
A lamp body having a light projecting portion and supported by a spacer;
Comprising
The outer diameter of the outer peripheral wall of the spacer is formed larger than the outer diameter of the outer peripheral wall of the base, and the spacer and the base are formed so that a part of each outer peripheral wall overlaps in the vertical direction. A marker lamp device characterized by being made. 2. The marker lamp device according to claim 1, wherein an adjustment ring is provided on the spacer, and the spacer supports the lamp body via the adjustment ring. The marker lamp device according to claim 1, wherein the spacer is chamfered at a joint side end portion to be joined to the base. 4. The lamp body according to claim 1, wherein the lamp body is exposed outward from the road surface by positioning a fastener fastened to the spacer or the adjustment ring outside the lamp body. The marker lamp device according to any one of the above.

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