JP4562450B2 - Lighting device - Google Patents

Description

  The present invention relates to an illumination device such as a road illumination lamp provided with an elevating mechanism.

In general, an illumination device such as a road illumination lamp in which a lighting device for illuminating a road is attached to an upper portion of a pole is known (for example, Non-Patent Document 1). In this type, for example, as shown in FIG. 13, the lamp is replaced when the lamp is out of the luminaire 100, etc., but this work is performed after blocking one lane on the roadside belt side, It is common to perform lamp replacement using the aerial work platform 101.
Japan Road Association, "Explanation and Operation of Road Structure Ordinance", February 2004

The above-mentioned maintenance work requires lane regulation, which is not only one of the causes of traffic jams and traffic obstructions, but also requires procedures with the local police to impede rapid maintenance. There is.
Therefore, an object of the present invention is to solve the problems of the above-described conventional technology, and to provide a lighting device that enables quick maintenance without causing traffic jams or traffic troubles when, for example, lamp replacement is performed. There is.

The present invention provides a lighting device in which an elevating part is supported on a pole so as to freely move up and down, and a lighting device is mounted on the elevating part so as to illuminate the road by extending on the elevating part. after twisted curved, provided with a guide rail of the rod-shaped which extends substantially vertically downward, is freely roll on the outer peripheral portion of the pole to the elevating unit to guide the lifting of the lifting portion, the pole the outer peripheral portion of the disposed on the mounting side of the luminaire in the circumferential direction of, and the lifting rollers in which a plurality disposed on opposite sides of the pole, faces the rod-shaped guide rail, the guide rod-shaped with the lifting of the lifting portion Rolling on the rail, and provided with a pulley disposed between the plurality of lifting rollers on the opposite side, and the pole and the lifting portion are arranged between the guide rail and the pulley with respect to the circumferential direction of the outer periphery of the pole. Engagement part in areas other than engagement Characterized by being configured so as not to exist.
In this case, the luminaire may be configured to retreat from the road before reaching the height of the building limit.

  In the present invention, since the elevating means for elevating the elevating part and the rotating means for rotating the elevating part in order to retract the illuminating instrument from the road, this illumination is provided when the illuminating instrument is lowered to a low place. Since the appliance has been evacuated from the road, it is possible to exchange lamps without restricting lanes, and to provide a lighting device capable of quick maintenance without causing traffic jams or traffic obstructions. .

Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.
In FIG. 1, this road illumination lamp includes a stepped pole 1 having a height of about 10 m and a pole 1 attached to the uppermost position of the stepped pole 1 and extending on the road to illuminate the road. The lighting fixture 3 which can be moved up and down is provided. FIG. 2 is a view in which the lighting fixture 3 is lowered to a low place. As shown in FIG. 3, the lamp 5 is built in the distal end portion 3 </ b> A of the lighting fixture 3, and the lifting portion 7 is integrally connected to the base end portion 3 </ b> B of the lighting fixture 3. The elevating part 7 is a ring body that fits on the outer peripheral part 1A of the pole 1. The elevating part 7 is provided with a pair of elevating parts with two brackets 8 spaced apart in the axial direction of the pole 1. As shown in FIG. 4, three sets of roller 9 are attached at intervals in the circumferential direction. Each lifting roller 9 can roll on the outer peripheral portion 1 </ b> A of the pole 1, and when the lifting unit 7 is lifted, the lifting roller 9 guides the lifting and lowering of the lifting unit 7.

As shown in FIG. 4, the elevating unit 7 is provided with a pair of lock mechanisms 10. The pair of lock mechanisms 10 is configured such that when the elevating part 7 is raised to the uppermost position of the pole 1, the elevating part 7 is fixed to the fixing part 11 (see FIG. 3) fixed to the uppermost part of the pole 1. It is a mechanism for locking. Reference numeral 12 denotes a top cover.
The pair of lock mechanisms 10 have the same structure, and only one lock mechanism 10 will be described. As shown in FIG. 6, a lock rod 13 fixed upward with respect to the elevating unit 7 and a pole as shown in FIG. 1 and a receiving portion 15 that is fixed to the uppermost fixing portion 11 and receives the tip 13A of the lock rod 13. When the tip 13A of the lock rod 13 enters the receiving portion 15 in the process until the elevating part 7 reaches the uppermost position of the pole 1, the tip 13A of the lock rod 13 is moved to the position shown in FIGS. , D in order, it is locked by a claw member 16 pin-connected to the fixing portion 11 by a pin 14 and is mechanically locked in the receiving portion 15, whereby the elevating portion 7 is connected to the fixing portion 11. Integrated.

  As shown in FIG. 6, one ends 17A and 19A of wire ropes 17 and 19 are connected to the tip 13A of the lock rod 13, respectively, and the other ends 17B and 19B of the wire ropes 17 and 19 are shown in FIG. As shown in FIG. 3, it is gathered at the approximate center of the opening 1B of the pole 1 via the pulley 21 provided on the uppermost fixing portion 13 of the pole 1 and extends downwardly inside the pole 1 as shown in FIG. Put out. 8 and 9, the other ends 17B and 19B of the wire ropes 17 and 19 are integrally connected in the vicinity of the work box 23 provided at the lower portion of the pole 1, and the work box 23 Inside, it is hung around a pulley 25. As shown in FIGS. 10 and 11, the pulley 25 is rotatably supported by a locking member 27, and the locking member 27 is detachably attached to a mounting plate 29 via a bolt 28.

  As shown in FIG. 10, a female connector 33 is fixed to the mounting plate 29 via a stay 31. A power cable 34 extending from the female connector 33 extends downward in the work box 23 and is connected to a joint box 33 (FIG. 8) including a breaker. The joint box 33 is connected to a ballast 35. The ballast 35 is connected to a power source (not shown).

  A male connector 37 is detachably connected to the female connector 33, and a power cable 39 extending from the male connector 37 extends upward inside the pole 1. At the uppermost end inside the pole 1, As shown in FIG. 3, it is hung around pulleys 41 and 43 supported by the fixing portion 11 and fixed to the upper surface 7 </ b> A of the elevating / lowering portion 7. The power cable 39 is further extended and connected to the lamp 5 of the lighting fixture 3.

  As shown in FIG. 10, one end 45A of a guide wire rope 45 for preventing entanglement is attached to the mounting plate 29 via a tension spring 47A, and the other end 45B of the guide wire rope 45 is connected to a pole. 1 is extended upward and is not shown in the figure, but is fastened to the fixing portion 11 in a tensioned state at the uppermost end inside the pole 1. The power cable 39 described above is fixed to the operation plate 47 via a cable retainer 49, and the other end 19B of the other wire rope 19 is also fixed to the operation plate 47 via a pair of wire fastening fittings 51, Further, a U-bolt 53 is connected to the operation plate 47, and the guide wire rope 45 passes through the inside of the U-bolt 53. 61 is a winch used when raising and lowering the elevating unit 7, and 63 is an operation handle for the winch.

  In this embodiment, as shown in FIGS. 1 and 2, a rod-shaped guide rail 55 made of stainless steel is bolted to the outer peripheral portion 1A of the pole 1. This guide rail 55 is attached at the uppermost position of the pole 1 so as to be located on the opposite side to the road, and extends substantially vertically downward to the point X on the pole 1 in the figure. The 90 ° position is gently twisted from the point X in a curved line, and after reaching the point Y in the figure, it extends substantially vertically downward. As shown in FIG. 4, a pulley 57 connected to the elevating / lowering portion 7 via a bracket 56 is opposed to the guide rail 55. The pulley 57 is connected to the shaft of the pole 1 as shown in FIG. Two pulleys are arranged as a set at intervals in the direction, and the pulley 57 rolls on the guide rail 55 as the elevating unit 7 moves up and down.

In this configuration, the pole 1 and the elevating part 7 are merely meshed with the guide rail 55 and the pulley 57 in the circumferential direction of the outer peripheral part 1A of the pole 1, and there are no meshed parts in other parts. Therefore, when the elevating part 7 is moved up and down, the elevating part 7 moves up and down along the guide rail 55, and the elevating part 7 descends substantially vertically downward to the point X in the figure on the pole 1. Then, while gradually rotating the 90 ° position from this X point, it reaches the Y point in the figure and then descends substantially vertically. The point Y in FIG. 1 is a building limit according to the road structure ordinance of the Japan Road Association, and is set to a height of 4 to 5 m, for example.
In the above configuration, it is important that the luminaire 3 is completely retracted from the so-called road and moved to the roadside belt or the sidewalk when the point Y is reached.
Therefore, the raising / lowering mechanism of the raising / lowering part 7 is not limited to descending substantially vertically downward to the point X on the pole 1 in the figure. It is not limited to. For example, the elevating part 7 may be configured to be lowered while gradually rotating in the circumferential direction of the pole 1 from the uppermost position of the pole 1 to the point Y in the figure. In this stage, the elevating unit 7 may be configured to rotate its position by 90 ° or more. Moreover, after reaching the point Y in the figure, it is not limited to the one that descends substantially vertically, and after reaching the point Y in the figure, while further rotating the elevating unit 7 gradually in the circumferential direction of the pole 1, You may make it the structure which descend | falls to the lowest point position.

Next, the operation of this embodiment will be described.
When the lamp 5 of the luminaire 3 is replaced, the winch 61 is attached to the attachment plate 29 as shown in FIG. Then, the male connector 37 is removed from the female connector 33, the bolt 28 is removed, the locking member 27 is removed from the mounting plate 29, and the winch 61 is wound around the bolt hole of the locking member 27. The tip ring 65A of the wire 65 is connected. Next, the connection of the pair of lock mechanisms 10 is released. This release is performed by turning the handle 63 and slightly winding the wire 65 wound around the winch 61. Then, as shown in FIG. 7E, the tip 13A of the lock rod 13 is lifted by pushing away the claw member 16, and the engagement between the claw member 16 and the tip 13A of the lock rod 13 is released. The restraint is released and the descent is free.

After unlocking, when the handle 63 is turned and the wire 65 wound around the winch 61 is fed out, the elevating unit 7 gradually starts to descend along the pole 1 due to its own weight. In this case, the power cable 39 and the other end 19 </ b> B of the wire rope 19 are collectively connected to the operation plate 47, and the operation plate 47 is guided by the tight guide wire rope 45 to 1 is raised, the power cable 39 and the wire rope 19 are not entangled with each other.
Further, when the handle 63 is turned and the wire 65 wound around the winch 61 is fed out, the elevating part 7 continues to descend, and the power cable 39 and the wire rope 19 are connected from the opening 1B at the upper end of the pole 1. Gradually go out.

  In the meantime, referring to FIG. 1, the elevating part 7 descends substantially vertically downward along the guide rail 55 to the X point on the pole 1 in the drawing, and slowly rotates a 90 ° position from this X point. After reaching the point Y in the figure, it descends substantially vertically. At the point where the elevating part 7 is lowered, the wire 65 wound around the winch 61 is fed out by the distance that the elevating part 7 is lowered. Therefore, most of the power cable 39 and the wire rope 19 are poles. 1 goes out of the opening 1B at the upper end.

  In this embodiment, when the elevating part 7 descends and reaches the Y point (building limit) in FIG. 1, the luminaire 3 rotates 90 °, and as shown in FIG. Move to the (or roadside belt) side. After reaching the height of the building limit, the luminaire 3 is lowered directly in this state, and the lamp replacement work is performed at this position.

After this lamp replacement operation, the wire 65 wound around the winch 61 is gradually wound up. Thereby, when the raising / lowering part 7 starts ascending and reaches the Y point (building limit) in FIG. 1, the lighting fixture 3 starts to rotate 90 ° from the sidewalk (or roadside belt) side, and the X in FIG. In point, move completely to the road side.
In this configuration, as shown in FIG. 12, lamp replacement can be performed without blocking the lane and without using an aerial work vehicle. In this configuration, lane regulation is not required, so there is no cause for traffic jams, traffic obstructions, etc. In addition, procedures to the local police for regulation are unnecessary, and rapid maintenance is possible.

When the elevating part 7 reaches the vicinity of the uppermost position of the pole 1, as shown in FIGS. 7A to 7D in sequence, the tip 13A of the lock bar 13 gradually enters the receiving part 15, and finally the lock The tip 13 </ b> A of the bar 13 is engaged with the claw member 16, the lock bar 13 is mechanically locked in the receiving part 15, and the elevating part 7 is integrated with the fixing part 11.
In this configuration, since two lock rods 13 are arranged, the locked state is considerably stronger than in the case where one lock bar 13 is arranged, and the heavy lifting unit 7 is stable with respect to the fixed unit 11. Can be fixed to.

In this configuration, the ascending / descending portion 7 may be tilted when ascending.
Even in such a case, according to this configuration, the pair of lock mechanisms 10 can be reliably operated. That is, after one lock bar 13 is locked in the receiving portion 15, the wire ropes 17 and 19 move through the pulley 25 as shown by the arrow Z in FIG. The other lock rod 13 on the side is pushed up, and the other lock rod 13 is also securely locked in the receiving portion 15 although it is slightly delayed in time from the one lock rod 13.

  As mentioned above, although this invention was demonstrated based on one Embodiment, this invention is not limited to this. For example, the rotation means includes the guide rail 55, but is not limited thereto, and may be configured to be rotated by an electric motor, or may be configured to be rotated using a wire or the like, and various changes may be made. Is possible.

It is a side view of a pole. It is a back view similarly. It is sectional drawing which shows one Embodiment of this invention. It is the figure which looked at the lighting fixture from the bottom. It is the figure which looked at the lighting fixture from the top. It is sectional drawing which shows a locking mechanism. A to E are diagrams illustrating a locking operation of the locking mechanism. It is a front view which shows the work box of a pole. It is side surface sectional drawing similarly. It is an enlarged view of FIG. FIG. 10 is an enlarged view of FIG. 9. It is a figure which shows the operation | work at the time of lamp replacement | exchange. It is a figure which shows the operation | work at the time of the conventional lamp replacement | exchange.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Pole 3 Lighting fixture 7 Lifting part 10 Locking mechanism 11 Fixing part 13 Locking rod 15 Receiving part 17, 19 Wire rope 33 Female connector 37 Male connector 39 Power cable 45 Guide wire rope 47 Actuating plate 55 Guide rail 61 Winch

Claims (2)

In an illuminating device that supports an elevating part on a pole so that it can be raised and lowered, and attached to this elevating part a lighting fixture that illuminates the road by extending on the road,
On the outer periphery of the pole, a bar-shaped guide rail that extends almost vertically downward after gently twisting the 90 ° position in a curved shape is provided, and the lifting portion can freely roll on the outer periphery of the pole. , Guides the raising and lowering of the elevating part , arranged on the mounting side of the luminaire in the circumferential direction of the outer periphery of the pole, and opposed to the lifting guide roller arranged on the opposite side across the pole and the rod-shaped guide rail And a pulley arranged between the plurality of lifting rollers on the opposite side, which rolls on the bar-shaped guide rail as the lifting portion moves up and down, and the pole and the lifting portion are arranged on the outer periphery of the pole. An illuminating device characterized in that, with respect to the circumferential direction, there is no meshing portion at a portion other than meshing between the guide rail and the pulley.   The lighting device according to claim 1, wherein the lighting fixture is configured to retreat from the road before reaching a height of a building limit.

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