JPS605450Y2 - lighting equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a lighting device, and more particularly to a lighting device in which a lighting lamp post is configured to be extendable and retractable.

In general, lighting equipment used for construction purposes consists of one or more lighting lights, a lighting pole that is installed at a high position to illuminate a wide area, and an attached power source (for example, an engine) when necessary. generator).

In order to be moved and installed at each site, the illumination light, the illumination light support, a power source, etc. are mounted on a trailer, and the illumination light support is formed to be expandable and retractable.

This is to reduce the length of the light support when moving the lighting equipment to make it easier to transport.On the other hand, when using a light, the light support is extended and the light is raised higher. This is because it is necessary.

For this purpose, the illumination lamp column is constituted by a support tube and one or more distraction tubes inserted into the support tube.

Conventionally, for example, a telescopic pulley mechanism is provided at the tip of the support tube and the distraction tube, and the end of the wire wound around the telescopic pulley mechanism is wound up or unwound to extend and contract the illumination light support. I was doing it.

When there is only one distraction tube, this telescopic pulley mechanism includes a telescopic roller attached to the tip of the support tube, and one end of a wire fixedly connected to the lower end of the distraction tube inserted into the support tube. After the other end of this wire is wound around the stretching roller, the wire is wound and unwound toward the lower end of the support tube to move up and down the distraction tube.

However, in such conventional technology, even if the illumination direction of the lighting lamp is changed or adjusted depending on the installation status of the lighting lamp or the progress of field work, the lighting support and the expansion/contraction mechanism cannot be adjusted. Due to the structure, the support tube and distraction tube cannot rotate around the axis, so once the lighting device is installed, it is extremely difficult to change the lighting direction.
If the change is forced, the entire lighting system must be moved along with the trailer, which has the drawback of requiring a great deal of labor and time.

The present invention has been made in view of the above-mentioned drawbacks of the prior art, and has an extremely simple structure that rotates the illumination lamp by utilizing the extension motion of the illumination lamp support, thereby changing the illumination direction of the illumination lamp. The object is to provide a lighting device that can be quickly and easily changed and adjusted.

In the present invention, a horizontal plate equipped with an illumination lamp is rotatably supported in a horizontal plane at the tip of a distraction pipe, and a spring is provided to constantly bias this horizontal plate in the thickness direction. One end of the wire is fixed to the outer end in the direction, and the other end of the wire is wound around a rotation roller provided to protrude radially outward from the distal end of the distraction tube, and then fixed outside the distraction tube, The object is distantly related to the above object by configuring the end portion of the horizontal plate to be pulled or pulled back in the circumferential direction in response to the extension or contraction of the distraction tube, thereby rotating the lighting lamp. be.

An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a front view showing a lighting device with an engine generator according to the present invention.

In the figure, 1 is a trailer for transporting and moving the main body of the lighting device.

On top of this trailer 1, an engine generator 2 surrounded by a casing, an electric winding machine 3, and a lighting pole (hereinafter simply referred to as 1 pillar) 5 holding lighting lights 4, 4 are installed. has been done.

The trailer 1 is provided with front wheels 6 and rear wheels 7, and the lighting device can be moved to each site by towing the trailer 1.

The trailer 1 also includes a traction rod 8 provided at the front end that can be vertically rotated and fixed by engaging and disengaging a pin, and an outrigger 9 provided at the front and rear ends of the trailer that can be slid laterally. (see Figure 2), the lighting device can be stably installed and fixed in a predetermined location by pushing down the legs 10, which are equipped with these traction rods 8 and outriggers 9 and can be raised and lowered, to the ground as shown in Figure 1. It looks like this.

On the front and rear sides of the engine generator 2 on the trailer 1,
Front and rear stands 11.12 consisting of a trapezoidal frame are implanted and fixed.

These two front and rear stands 11.12 are used to sandwich and fix the engine generator 2, and to hold the support column 5 on the front and rear stands 11.12.

This strut 5 is cut out from a triple tube, and includes an outermost support tube 13, a first distraction tube 14, which is telescopically inserted into the distal end opening of this support tube 13, and a first extension tube 14. and a second distraction tube 15.

The support tube 13 is rotated in a vertical plane by a bearing 17 provided on the front stand 11 via a support plate plate 16 having a U-shaped cross section and fixed at a position slightly below the center in the axial direction. It is freely supported.

The pivot point of this bearing 17 is set to be below (on the left side in FIG. 1) the center of gravity of the support column 5 in the reduced state (when holding the illumination lights 4, 4).

On the other hand, when the support column 5 is tilted downward in a contracted state, the vicinity of the tip of the second distraction tube 15 comes into contact with the rear stand 12, and the support column 5 can be inverted from horizontal to a slightly upwardly inclined state. And it can be held stably.

The support tube 13 and the first. As shown in FIGS. 3 and 4, the second distraction tubes 14, 15 have long guide grooves 18. 19, the distraction tube 14 and the second distraction tube 15
protrusions 20., which protrude in the radial direction and extend along the axial direction, and fit into the long grooves 18.19.
21, they are configured to be slidable in the vertical direction in FIG. 3 while restraining rotation about the axis.

A telescopic pulley mechanism 30 is provided at the distal ends of the support tube 13 and the first distraction tube 14 .

That is, as shown in FIG. 3, telescopic rollers 31 and 32 as fixed pulleys are rotatably attached to the distal ends of the support tube 13 and the first extension tube 14, respectively. A fixture 33 is fixed to the end surface of the support tube 13 above the support tube 31 .

Furthermore, the support tube 13. The support tube 13. Long grooves 34 and 35 are provided extending from the distal end to the lower end of the first distraction tube 14. A pin 36.37 that projects into the long groove 34.35 is fixed to the lower end of the second distraction tube 14.15 on the outer diameter side.

First, a wire 38 as a cable whose one end is fixedly connected to the pin 37 is extended into the long groove 35, and
After being wound around the stretching roller 32, the wire 38
a fixture 33 whose other end is provided at the tip of the support tube 13;
The connection is fixed.

Further, a wire 39 whose one end is fixedly connected to the pin 36 is extended in the long groove 34, and after being wound around the expansion roller 31, it is extended downward along the outer surface of the support tube 13. .

The wire 39 is loosely inserted into a guide return member 40, 41 fixed to the side surface of the support tube 13 to prevent detachment (see FIG. 1).

In the telescopic pulley mechanism 30 configured in this way, when the other end of the wire 39, which has been wound around the telescopic roller 31, is pulled downward in FIG. The first distraction tube 14 is moved upward, and at the same time, the expansion roller 32 attached to the distraction tube 14 is moved upward, so that the wire 38 connected to the fixture 33 of the support tube 13 is moved upward. 2. Move the distraction tube 15 upward.

This makes it possible to perform a distraction operation of the support column 5.

On the other hand, in a state where the extended support column 5 is installed vertically or diagonally upward (see the two-dot chain line A in FIG. 1), the wire 39
When pulled back, the first. Due to the dead weight of the second distraction tube 14.15, the first distraction tube 14. The second distraction tube 14.15 is moved downward in FIG. 3, thereby causing the strut 5 to contract.

The second extension pipe 15 is equipped with an illumination lamp rotation mechanism 45 for rotating the illumination lamp 4 in a desired angular direction within a horizontal plane (see FIGS. 3 and 5).

The illumination lamp rotation mechanism 45 includes a horizontal plate 22 pivotally supported at the tip of the second distraction tube 15, and a rotation roller 53 protruding radially outward from the tip of the second distraction tube 15. ,
One end is fixed to the end of the horizontal plate 22, and the other end is wound around a rotating roller 53 and then connected to a wire 58 fixed to the support tube 13.

To be more specific, a bearing cab 48 is fitted into the opening at the tip of the second extension pipe 15, and a bearing 49 is installed above the bearing cab 48.

A cylindrical movable pedestal 50 is attached to the fixed ring 49A side of the bearing 49, and the horizontal plate 22 is fixed to the upper side of this movable pedestal 50.

This horizontal plate 22 has a rectangular shape as shown in FIG. 5, and the central part of the back surface is pivotally supported, so that the horizontal plate 22 is rotatable within the plate surface, that is, the horizontal plane. There is.

A plurality of holding arms 23.23 are attached to the upper side of the horizontal plate 22, and each holding arm 23.23 has a
Lighting lamp 4.4 is installed.

The illumination lamp 4 is configured such that its mounting angle in a vertical plane relative to the holding arm 23 can be adjusted.

A support plate 51 is fixed to the upper end of the second distraction tube 15 and protrudes approximately radially from the axis of the second distraction tube 15 .

This support plate 51 is formed by a rising portion 51 extending upward after protruding from the outer wall of the distraction tube 15 to the left in FIG.
A, and the whole is formed in an abbreviated letter shape.

A rectangular small piece plate 52 is pasted horizontally in a T-shape on the outer side of the upper end surface of the rising portion 51A.

A rotation roller 53 is provided on one back side of the small piece plate 52 that is partitioned by the support plate 51.

This rotating roller 53 has a rotating surface located on substantially the same plane as the horizontal plate 22.

In addition, the rising portion 51A corresponds to this rotating roller.
A first guide roller 54 is provided near the upper end of the
Furthermore, a second guide roller 55 is provided above the support plate 51.

The right end portion of the second guide roller 55 in FIG. 3 is projected into a window 56 formed in the second extension pipe wall near the fixed position of the support plate 51.

On the other hand, a fixing pin 57 is implanted on the surface of the horizontal plate 22 near the outer end in the radial direction from the axis.

Then, the wire 58 as a cable whose one end is fixedly connected to the fixing pin 57 is stretched in the circumferential direction and wound around the rotating roller 53, and then the first wire 58 is fixedly connected to the fixing pin 57. It extends into the first distraction tube 15 via second guide rollers 54 and 55.

When the other end of the wire 58 is pulled down, a tensile force is applied to the fixing pin 57, and the horizontal plate 22 can be rotated clockwise against a tension spring 60, which will be described later.

The other end of the wire 58 has a predetermined length, which will be described later, and is connected and fixed to a fixture 59 bolted to the bottom plate of the support tube 13. ing.

This fixture 59 is the first. It protrudes into the second distraction tube 15 through the bottom plate through holes 14A and 15A of the second distraction tube 14-15.

A tension spring 60 is disposed between the horizontal plate 22 and the small piece plate 52 on the opposite side of the wire 58 with respect to the axis, and this tension spring 60 causes the horizontal plate 22 to rotate counterclockwise at all times. biased in the direction.

Therefore, when the wire 58 is loosened, the tension spring 60
This action causes the horizontal plate 22 to return counterclockwise.

The rotation return of the horizontal plate 22 by the tension spring 60 is limited by the rising portion 51A (see the two-dot chain line S in FIG. 5).

The second guide roller 55 is provided with a U-shaped piece 62 for preventing the wire 58 from coming off.

Further, a weight 61 is fixed to the middle of the wire 58 inside the second extension tube 15, and due to the action of gravity acting on the weight 61, a predetermined tension is always applied to the wire 58 above the weight 61. When force is applied and the support column 5 is contracted, the rotation roller 53
, the wire 58 is prevented from coming off from the first guide roller 54.

The tensile force exerted by the weight 61 is set to be much weaker than the return force exerted by the tension spring 60.

In the illumination lamp rotation mechanism 45 configured in this way, the length of the wire 58 is the same as that of the support 5 when the horizontal plate 22 is returned to its original position (see S in FIG. 5). Slightly before reaching the maximum extension length L2 (at this time, the length of the strut 5 is assumed to be Ll), the above-mentioned slack portion in the strut 5 disappears, and the strut 5 is set to be in a completely tensioned state.

Therefore, while the support column 5 is stretched from the contracted state to the length Ll, the horizontal plate 22 is returned to its original position as shown in S in FIG. 5 by the tension spring 60, but it is further stretched from the length Ll. Then, the wire 58 pulls the horizontal plate 22 clockwise against the tension spring 60, causing the horizontal plate 22 to rotate.

This rotational movement is performed until the support column 5 reaches its maximum extension length L2, which is the maximum angle β° shown by the two-dot chain line F in FIG.

On the contrary, when the support column 5 is reduced, the horizontal plate 22 is moved counterclockwise by the action of the tension spring 60 while the support column 5 is contracted from the length L2 to the length Ll. It is designed so that it can be rotated back.

As the horizontal plate 22 is rotated clockwise or counterclockwise as described above, the illumination lamp 4.4 is also rotated in the same manner.

As shown in FIG. 6, on the bottom surface of the lower end of the support tube 13,
A large-diameter lifting roller 66 supported by a bearing 65 is mounted.

The wire 39 provided in the telescoping pulley mechanism 30 is wound around the raising/lowering roller 66, and the wire 39 is further provided near the lower end of the front stand 11. The end portion is connected to the winding machine 3 installed on the trailer 1 through a guide roller 67.

The guide roller 67 is pivotally supported by the lower ends of vertical frames 68 and 69 that are arranged vertically in the center of the front stand 11 in parallel at a predetermined interval.

When the winding machine 3 winds up the wire 39, a tensile force acts on the up-and-down roller 66, and the support tube 1
Since a counterclockwise moment about the bearing 17 acts on the wire 39, the support tube 13 can be gently rotated counterclockwise in response to the winding of the wire 39, and can be made to stand vertically. (See double-dashed line C in Figure 6)
.

Conversely, when the wire 39 is unwound, the support tube 13 gradually rotates clockwise due to the clockwise moment of the support tube 13 generated by the weight of the support column 5, etc. 13 can be placed upside down on the rear stand 12.

This rotation and inversion operation is performed gently by the tension of the wire 39.

At the lower end of the support tube 13, on the opposite side of the wire 39, a distraction motion restraining mechanism 70 for the strut 5 is installed.

This distraction motion restraint mechanism 70 has a locking member 71 formed in a Z shape, and one end of the locking member 71 is connected to the support tube 13 by a tension spring 72. 1st. Second distraction tube 14
．． 15 into the through-hole part 73 (see FIG. 3) from the through-hole group drilled in such a manner that all of the first. This is for locking the second distraction tubes 14, 15 and restraining the distraction during the upright operation of the strut 5.

On the other hand, the vertical frame 68, 69 of the front stand 11
A locking/disengaging plate 74 is fixed to the rotationally abutting position of the locking member 71.

Therefore, when the support tube 13 rotates and stands up and the other end of the locking member 71 comes into contact with the locking/disengaging plate 74 and is pressed, the locking member 71 comes off from the through hole 73 and the first ．． The second distraction tubes 14, 15 can be expanded (see the two-dot chain line in FIG. 6).

The vertical frames 68 and 69 of the front stand 11 are further provided with a locking mechanism 80 for preventing the column 5 from falling and fixing the lighting lamp 4 when the column 5 is raised and extended. Equipped.

This locking mechanism 80 has locking claw members 81 and 82 (one of which is not shown) rotatably supported by a vertical frame 68 and 69. When the pins 83 and 84 installed on both sides of the support tube 13 come into contact with the pins 81 and 82 as the support tube 13 rotates upright, the locking claw members 81 and 82 first resist the spring 88. is pushed up, and then the locking claw members 81 and 82 are engaged.

The locking claw members 81, 82 can be easily removed from the pins 83, 84 by pushing up and rotating from the outside.

Further, the locking claw members 81 and 82 are attached to the protective plate 85.
．． 86 prevents the locking claw member 81.82 from accidentally separating from the pin 83.84, and furthermore, the downward movement of the locking claw member 81.82 is restricted by the protrusion 87 implanted in the protective plate 85.86. It is now possible to do so.

Further, a stopper 90 is installed between the lower ends of the protection plates 85 and 86.
0, the clockwise rotation of the support tube 13 after being erected is restricted.

Further, the illumination lights 4, 4 and the winding machine 3 are supplied with power by the engine generator 2.

Next, the overall operation of the above embodiment will be explained.

The support column 5 is previously reduced in size and placed upside down on the rear stand 12, and a locking member 71 for distraction restraint is installed in the through hole 73.
It is assumed that the two are fitted.

When the wire 39 is wound up by the winding machine 3 in this state, a tensile force is applied to the raising/lowering roller 66 without operating the telescopic pulley mechanism 30.

Due to this tensile force, the support tube 13 rotates counterclockwise about the bearing 17.

When the support tube 13 stands up, the locking member 71
is detached from the through hole portion 73, and the first. Second distraction tube 14.15
Therefore, as the wire 39 continues to be wound up, the telescoping pulley mechanism 30 is operated to cause the strut 5 to be stretched.

Further, when the support tube 13 is erected, the locking mechanism 80 fixes the support tube 13.

During the extension operation of the strut 5, the illumination lamp 4 is not rotated until the length of the strut 5 reaches Ll.

As the distraction continues and the length of the support column 5 becomes longer by Ll, the illuminating lamp 4 gradually rotates clockwise.

When the illuminating lamp 4 faces in a desired direction, the winding operation of the winding machine 3 is stopped, and the illuminating lamp 4 can be oriented and fixed in the desired direction.

In addition, the orientation direction of this illumination light 4 is such that the length of the pillar is L1 to L.
Within the range of 2, reversible adjustment is possible by slightly winding and unwinding the winder 3.

Separately, when reducing and inverting the support column 5, the winder 3 is reversed to unwind the wire 39.

At this time, first, due to the action of the telescopic pulley mechanism 30, the first
．． The second distraction tube 14,15 is contracted, and at the same time, the illumination lamp 4 is also rotated back to its original position.

After the reduction is completed, when the locking mechanism 80 is removed, the support column 5
The support tube 13 begins to rotate clockwise due to its own weight, and at the same time, the locking member 71 fits into the through hole 73.

Then, by continuing to unwind the wire 39, the support tube 13 is gradually rotated and is gradually laid down on the rear stand 12.

According to this embodiment, by simply attaching a lighting lamp rotating mechanism consisting of a plurality of rollers, wires, etc. to a conventional lighting lamp post, the lighting lamp can be rotated by utilizing the stretching action of the pillar. The rotation operation can be performed continuously, therefore, no special drive source is required to rotate the illumination light, and with an extremely simple configuration, installation of the illumination light and change/adjustment of the lighting direction can be done in a short time. This can be done quickly and easily.

In addition, since the other end of the lighting lamp rotation wire is housed within the support 5, there is no risk of the wire being accidentally caught on an obstacle, causing damage or cutting.

In the above embodiment, the case where the distraction tubes are provided in two stages has been explained, but the present invention is not limited to this in any way, and may be provided in one stage or three or more stages. It is sufficient to equip the above-mentioned lighting lamp rotation mechanism on the distraction tube, and to fix the lower end of the wire for rotating the illumination lamp to the outside of the uppermost distraction tube that is to be expanded and contracted.

For example, the other end of the wire 58 for rotating the lighting lamp may be fixed to the bottom plate at the lower end of the support tube 13 as in the first embodiment, or may be fixed to the bottom plate at the lower end of the support tube 13 as in the first embodiment. Dynamic roller 53. After passing through the first guide roller 54, the winding may be fixed to a retractable roller 100 mounted on the radially outer side of the upper end of the first distraction tube 14.

More specifically, the rewindable roller 100 is always biased to rotate in one direction by a spring mechanism (not shown) in order to perform rewinding.

Then, the wire 58 is attached to this rewindable roller 100.
The end portion of the wire 58 is wrapped around a predetermined amount, and when the support column 5A is extended to a length Ll, the wire 58 is completely pulled out from the retractable roller 100, and the illumination lamp 4 is rotated clockwise. It's about to start.

This rotational movement is performed until the support column 5A is extended to the maximum length L2, just as in the first embodiment.

On the other hand, when this support column 5A is reduced, the illumination light 4 is moved by the tension spring 6.
0 (see FIG. 5), the wire 58 is rotated back and the wire 58 is wound around the rewindable roller 100.

According to the embodiment shown in FIG. 7, the wire for rotating the illumination lamp can be shortened, and the mechanism for rotating the illumination lamp can be made simpler.

As described above, according to the present invention, the illumination direction of the lighting lamp can be changed with an extremely simple configuration! Adjustments can be made quickly and easily.

[Brief explanation of the drawing]

Fig. 1 is a front view showing a lighting device with an engine generator according to the present invention, Fig. 2 is a left side view of Fig. 1, and Fig. 3 is a partially omitted cross section of a support column according to Fig. 1. Figure 4 is a sectional view taken along line IV-IV in Figure 3, Figure 5 is a top view of Figure 3, Figure 6 is an enlarged detailed view of a part of Figure 1, and Figure 7. FIG. 4 is a partial sectional view showing a modification of the illumination lamp rotation mechanism according to a part of FIG. 3; 4...Illumination light, 5,5A...Illumination light support, 13...Support pipe, 14...First extension pipe, 15... ...Second distraction pipe, 22...
Horizontal plate, 30... Extension pulley mechanism, 53...
...Rotating roller, 58...Wire, 60...
...Tension spring, 100...Rewindable roller.

Claims (1)

[Scope of utility model registration request] In an illumination device comprising a support tube, a distraction tube telescopically inserted into the support tube, and an expansion/contraction means for expanding and contracting the distraction tube, a lighting device is provided at the distal end of the distraction tube. ,
A horizontal plate equipped with lighting fixtures is rotatably supported in a horizontal plane,
A spring is provided that always biases this horizontal plate in the thickness direction, and one end of the wire is fixed to the outer end of the horizontal plate in the lateral direction, and the other end of the wire is extended radially outward from the tip of the distraction tube. After being wrapped around a rotating roller protruding from the lamp, it is fixed outside the distraction tube, and the ends of the horizontal plate are pulled or pulled back in the circumferential direction according to the expansion or contraction of the distraction tube, thereby causing the illumination A lighting device characterized by having a structure in which a light can be rotated.