KR100910753B1 - A Up and down device for street light - Google Patents

Abstract

The present invention is rotated to the lower side of the horizontal strut on which the light is mounted in order to facilitate the maintenance of the street lamp installed on the road or residential area, the down and down the light box to a predetermined height, the operator can easily replace the bulb of the light box The present invention relates to a lifting type street lamp which eliminates unnecessary protrusions on its appearance by providing an elevating device for lowering of the light box inside the vertical strut.

Accordingly, the apparatus of the present invention, the elevating plate 10 which is located inside the longitudinal strut (1) and the elevating up and down, a plurality of pulleys 20 mounted on the outer surface of the elevating plate (10), A fixed pulley 30 positioned between the transfer pulleys 20 and provided on the inner side wall of the longitudinal support stand 1 and the transfer pulley 20 and the fixed pulley 30 are alternately connected, and one end thereof is a longitudinal support stand. (1) the wire 40 and the screw hole 11 of the elevating plate 10, which are interlocked with the upper end and fixed to one end of the light box 3 of the transverse support 2, and the wire is inserted into the inner body. It is characterized in that it is composed of a screw shaft 50 to be inserted into the) and the rotating means 60 is connected to the end of the screw shaft 50 to rotate the screw shaft 50.

Street light, pulley, winch, wire

Description

Retractable Street Light {A Up and down device for street light}

Figure 1a is a side cross-sectional view showing an embodiment of the lifting type street light of the present invention.

Figure 1b is a side cross-sectional view showing another embodiment of the lifting type street light of the present invention.

Figure 1c is a side cross-sectional view showing another embodiment of the lifting type street light of the present invention.

Figure 2a is an enlarged side cross-sectional view showing a lifting plate of the lifting type street light of the present invention.

Figure 2b is a plan sectional view showing an embodiment of the transport pulley and the fixed pulley of the lifting type street light of the present invention.

3 is a cross-sectional view showing a wire of the lifting type street light of the present invention.

4 is a use state diagram showing an example of the use of the vertical strut of the lifting type street light of the present invention.

Figure 5 is a partially enlarged view showing an embodiment of the stopper of the lifting type street light of the present invention.

Figure 6 is a side cross-sectional view showing an embodiment of the rotating means of the elevated street light of the present invention.

Figure 7 is a side cross-sectional view showing another embodiment of the rotating means of the lifting street lamp of the present invention.

[Explanation of symbols on the main parts of the drawings]

1: vertical strut 2: horizontal strut

3: light fixture 4: coupling

10: lifting plate 11: screw hole

20: feed pulley 30: fixed pulley

40: wire 41: wire

42: wire cable 50: screw shaft

51: fixing plate 60: rotating means

61: handle 62: gear

63: electric motor 64: switch

71: stopper 72: switch

72 ': Manual lever Y: Wire disconnect

D1, D2, D1 ', D2': Pulley C, C ': Rotating shaft

The present invention relates to a street lamp is installed on the roadside or residential area, in more detail, in order to facilitate the maintenance management of the light bulb installed at the upper end of the street lamp has a structure in which the vertical column of the top is rotated, for this purpose vertical column The invention relates to a lifting type street light, which comprises a lifting plate lifting up and down, and a plurality of pulleys and wires for pivoting a longitudinal strut, and protecting the wires by integrating the wires into the wires.

In general, street lamps are installed on roads, sidewalks, or residential areas to illuminate night streets. The street lamps are mainly composed of horizontal / vertical props and light fixtures, and are designed and manufactured in various forms.

These street lamps are vertically fixed on the ground vertically and horizontally coupled to the top of the vertical struts having a parallel length, and the lamppost at the end of the horizontal struts, the light bulb mounted inside the light box It is used.

Such a street lamp is maintained by removing the transparent cover of the lamp box or replacing the inner bulb when the bulb is at the end of its life or is contaminated and unable to emit light properly.

Such streetlights are difficult to clean when they are dirty due to snow, dust or automobile fumes.In particular, when the bulb inside the light box is damaged and needs replacement, it is necessary to use a ladder or a crane to replace at least two workers. There is a problem that takes a long time to replace.

In this case, when the crane is used to replace the bulb, the vehicle stops on the road and works, causing traffic congestion in the city.

Therefore, the present invention has been invented in view of the above-described conventional problems, and a first object of the present invention is to provide a street light having a structure that is elevated to facilitate maintenance of the street light bulb.

It is a second object of the present invention to provide a street lamp in which an apparatus of a street lamp to be elevated is provided inside the street lamp post to prevent the appearance of aesthetic elements.

It is a third object of the present invention to provide a street light having a locking means fixed or released at a specific position in order to prevent it from sagging or being damaged by the weight of the elevated street light.

The device according to the object of the present invention as described above is provided with a lifting plate which is located inside the vertical strut having a length up and down, a screw hole is formed on the center side and is lifted up and down, mounted on an outer surface of the lifting plate. It is provided with a plurality of transport pulleys, which are located between the transport pulleys are provided with a plurality of fixed pulleys on the inner wall of the longitudinal strut, connecting the transport pulley and the fixed pulley alternately, one end is interlocked to the top of the longitudinal strut It is achieved by having a wire fixed to one end of the light box of the transverse support, the screw shaft inserted into the screw hole of the elevating plate and the rotating means connected to the screw shaft end to rotate the screw shaft.

On the other hand, in the present invention, the light box and the horizontal strut can be implemented to be provided with a coupling portion detachably coupled, the wire may be made of at least two lines or more wires inserted between the wires. .

In addition, the horizontal struts and the vertical struts may be implemented with a switch or manual lever for operating the stopper and having a stopper at a connection portion where the longitudinal struts are rotated.

On the other hand, the rotating means is composed of a handle detachably attached to one side of the horizontal support, and a pair of gears engaged with each other at the lower end of the handle and the screw shaft, or is located on the inner lower side of the horizontal support, the lower end of the screw shaft And an electric motor connected with the switch, and a switch for driving the electric motor.

In the present invention, the inner side wall of the transverse support stand is formed in an octagonal shape and provided with four fixed pulleys at equal intervals, and four transport pulleys are mounted on the side of the elevating plate so as to be positioned between the fixed pulleys. Can be.

The above objects and other objects, advantages and features of the present invention will become more apparent from the following detailed description taken in conjunction with the accompanying drawings which illustrate preferred embodiments.

Hereinafter will be described in more detail with reference to the accompanying drawings showing an embodiment of the present invention.

The present invention is a lifting plate which is located inside the vertical support (1) having a predetermined length up and down as shown in Figure 1a, Figure 1b and Figure 1c shown in the center of the screw hole (11) 10) and a plurality of feed pulleys 20 mounted on an outer surface of the elevating plate 10. In addition, provided with a plurality of fixed pulleys (30) positioned between the transfer pulleys (20) provided on the inner side of the longitudinal support (1), and the transfer pulleys (20) and the fixed pulleys (30) are alternately connected , One end of which is connected to the upper end of the longitudinal support 1 and has a wire 40 fixed to one end of the light box 3 of the horizontal support 2, and the screw hole 11 of the elevating plate 10. It is provided with a screw shaft 50 is inserted into the screw shaft 50 and the rotating means 60 is connected to the end of the screw shaft 50 to rotate the screw shaft 50.

In addition, as shown in the drawings 1a, 1b, 1c can be carried out with the upper side holding post 2 is mounted on both sides as well as one side, for this purpose, the two side pulleys (D1, D2) or one on the top The pair of pulleys D1 'and D2' may be freely rotated on the rotation shaft C. FIG.

Here, the screw shaft 50 may be implemented to include a fixing plate 51 for supporting the upper and lower sides to prevent the twist.

On the other hand, the light box (3) and the transverse support stand (2) of the present invention is provided with a coupling portion (4) that is detachably coupled to the light fixture (3) when the wire 40 is fixed to one end of the light fixture (3) is pulled toward the horizontal post (2) side is coupled to the coupling portion (4), loosening the wire 40, the light box (3) weakens the coupling force with the coupling portion (4) of the horizontal post (2) When the horizontal strut 2 is lowered, it may be practiced to allow the light box 3 to be draped downward.

In addition, the wire 40 may be made of at least two lines, and the wire 41 may be inserted into the light box 3 at the end of the horizontal strut 2 by inserting the wire 41 between the wires 40. .

On the other hand, the longitudinal strut 1 and the transverse strut 2 are provided with a stopper 71 at the connection portion where the transverse strut 2 is rotated, and a switch 72 or a manual for operating the stopper 71. It may be implemented with a lever 72 '.

In addition, in implementing the rotation means 60, a pair of handles 61 detachable to one side of the longitudinal support (1), a pair of meshing to the end of the handle 61 and the lower end of the screw shaft (50). It can be implemented as a gear 62 of, and as another embodiment is located in the lower side of the longitudinal support (1) and the electric motor 63 is connected to the lower end of the screw shaft 50, and the electric motor ( It can be implemented with a switch 64 to drive 63.

On the other hand, in the present invention, the inner wall of the longitudinal support (1) is formed in an octagon to provide four fixed pulleys (30) at equal intervals, and four transport pulleys so as to be located between the fixed pulleys (30). 20 may be implemented by mounting the side of the elevating plate 10.

The present invention configured as described above will be described in more detail with reference to the following examples.

<One embodiment of the present invention>

As shown in FIG. 2A, the lifting plate 10 is mounted on the inside of the vertical column 1 of the street lamp to move up and down, and the wire 40 is pulled up and down through the rotating means 60. It is lost or released.

In more detail, a plurality of transport pulleys 20 are mounted on the outside of the elevating plate 10, and a plurality of fixed pulleys 30 are alternated with the transport pulley 20 on the inner wall of the longitudinal support 1. ) Is installed. Then, the wire 40 is connected to the transfer pulley 20 and the fixed pulley 30 by staggering, and one end of the wire 40 is connected to the upper end to be fixed to one end of the horizontal support post 2. At this time, the lower end of the wire 40 may be fixed to one side pulley 20, or may be fixed to the elevating plate 10, it is fixed to the lower side through other fixing means.

The wire 40 connected as described above moves up or down the screw hole 11 coupled to the screw shaft 50 connected to the rotating means 60 when the operator rotates the rotating means 60 for the work. Let's do it.

That is, the lifting plate 10 is moved up and down in accordance with the rotational direction of the screw shaft 50, and at this time, the plurality of feed pulleys 20 mounted on the lifting plate 10 side are moved up and down together with the fixed pulley 30 As they get closer or further away, the cross-connected wires 40 are pulled or released.

It is preferable that the transfer pulley 20 and the fixed pulley 30 are mounted on the inner wall of the vertical support base 1 having an octagonal shape as shown in FIG. In order to do so, it may be carried out inside a polygonal or circular strut.

As described above, the horizontal support post 2 that is pivotably bound to the upper end of the vertical support post 1 through the wire 40 that is pulled or released in accordance with the vertical movement of the elevating plate 10 is rotated. When released, the horizontal strut 2 is lowered substantially vertically so that the light box 3 is lowered to reach the worker.
At this time, the light box (3) of the present invention can be easily lowered only by the installed height of the screw shaft 50, which is provided with four fixed pulleys (30) below the screw shaft (50), the screw shaft Four conveying pulleys 20 are installed on the elevating plate 10 which is lifted by the 50, and the wires are alternately installed by alternately fixing the pulleys 30 and the conveying pulleys 20, and thus the length of the wire movement. This is because the feed pulley 20 becomes eight times the distance of moving up and down.

Such a wire 40 is integrally manufactured by inserting the wire 41 and the wire cable 42 into the inner side as shown in FIG. 3, and even though the wire 40 is pulled through this, the inner wire 41 is tensioned. Instead, force is transferred to only the wire cables 42 on both sides, thereby protecting the wire 41. At this time, when applied to the two-way street light, it is provided with two wires 41 to surround the wire 40 on both sides and the center side and formed a wire separation unit (Y) in the middle side of the wire 40, both sides of the holding post It is implemented by connecting (2), respectively.

At this time, the height of the light box 3 is the maximum downward fluctuate according to the length of the horizontal strut (2), in the case of a street lamp having a short length of the horizontal strut (2) as shown in FIG. When the wire 40 is loosened with the binding part 4 between the horizontal supporter 2 and the horizontal supporter 2, the light box 3 is separated from the horizontal supporter 2 and lowered to a predetermined height. When 40) is pulled out of the light (3) to the binding unit 4 side can be carried out to be automatically coupled.

Detachable configuration of the light box (3) and the transverse support (2) may be modified in various forms for those skilled in the art to easily implement.

On the other hand, the horizontal support (2) is rotated through the wire 40 is supported or downward, when fixed in the usual time only the wire 40, the weight of the horizontal support (2) to the wire 40 is broken by weight It further includes a stopper 71 for preventing the falling of the horizontal strut 2 to prevent falling.

As shown in FIG. 5, the horizontal strut 2 is rotated to be positioned substantially horizontally with the ground, and then is locked by the stopper 71 and is operated by an operator's switch 72 or manual lever 72 '. The stopper 71 may be rotated to allow the fixing force to be eliminated, but may be modified in various forms that are not easily broken due to the weight of the horizontal strut 2. Here, the manual lever 72 'is equipped with a rotation shaft at the center side of the stopper 71 having a predetermined length, and the stopper 71 is rotated and fixed by attaching ropes at both sides of the stopper 71 to pull the ropes at both sides. It is done.

In addition, the rotation means 60 of the present invention is to rotate the screw shaft 50 to move the lifting plate 10 up and down, as shown in Figure 6 by turning the handle 61 which is detachable to one side of the longitudinal support (1). The gear 62 mounted at the end may be rotated, and the gear 62 at the end of the screw shaft 50 interlocked with the gear 62 may be rotated to rotate the screw shaft 50. At this time, it is preferable that a plurality of supporting means for fixing the handle 61 and the pair of gears 62 are further mounted inside the longitudinal support 1.

On the other hand, as another embodiment of the rotating means 60, as shown in Figure 7 is provided with an electric motor 63 that is directly engaged with the lower end of the screw shaft 50, by supplying power to the electric motor 63 It can be implemented with a switch 64 for forward and reverse rotation, so that an operator can control the lifting and lowering of the horizontal strut 2 by simply operating the switch 64.

In the above-described embodiment, the present invention has been specified to form a structure that is elevated by being mounted on a street lamp having a light box (3) on one side, which is irrelevant even if it is modified in various forms for those skilled in the art to easily implement, In another embodiment of FIG. 1B, when two horizontal struts 2 are provided at both sides of 180 °, the pulleys D1 and D2 are freely rotated on one rotation shaft C, and the wire 40 By forming a wire separating portion (Y) in the middle of each wire 40 can be carried out to be connected to the light box (3) side of the corresponding side. As another example, FIG. 1C is easy to be applied when it is difficult to carry out by attaching a pulley to one rotation shaft C when the horizontal support stand 2 is implemented at about 180 °. By mounting the pulleys (D1 ', D2') having a rotating shaft (C ') for rotating each pulley, it can be practiced that the wire 40 is separated and installed to the horizontal struts (2) on both sides. .

In addition, in the partial enlarged view of 1c, the upper part of the hole having a predetermined size through which the wire 40 is discharged in order to prevent dust, foreign matter, rainwater, etc. from entering through the two pulleys D1 'and D2'. A blocking plate of an angle may be further included.

As seen above, the present invention includes a feed pulley 20 and a fixed pulley 30 for elevating the horizontal support post 2, and as the elevating plate 10 is elevated through the rotating means 60. The distance between the feed pulley 20 and the fixed pulley 30 is changed so that the wires 40 alternately connected to the respective pulleys are pulled or loosened, and as a result, the transverse supports 2 at the ends of the wires 40 are rotated and the worker is rotated. Its technical feature is that it is lowered approximately vertically to facilitate replacing the bulb.

With the use of the lifting light box of the present invention configured and acting as described above, it is easy to maintain and manage the bulbs of the street lamps, and there is an advantage of not impairing the aesthetics in appearance by installing the device of the elevated street lamps inside the street lamp props. .

In addition, the stopper is provided with a locking means has an effect of preventing the street lamp to be elevated is not sag or broken by its own weight.

On the other hand, the wire is protected through the wire has the effect of preventing the wire is tensioned and missing when the longitudinal strut is elevated.

Although the present invention has been described in connection with the above-mentioned preferred embodiments, it will be readily apparent to those skilled in the art that various other changes and modifications can be made without departing from the spirit and scope of the invention. Are all within the scope of the appended claims.

Claims (7)

In the street light having a structure to be elevated to facilitate the replacement of the light bulb, An elevating plate 10 positioned inside the longitudinal strut 1 having a predetermined length up and down and having a screw hole 11 formed at a center thereof, and being elevated up and down; A plurality of feed pulleys 20 mounted on an outer surface of the elevating plate 10; A plurality of fixed pulleys 30 positioned between the transfer pulleys 20 and provided on the inner wall of the longitudinal support base 1; The transfer pulley 20 and the fixed pulley 30 are alternately connected, and one end of the wire 40 is fixed to one end of the light fixture 3 of the horizontal support post 2 by being interlocked with an upper end of the vertical support post 1. Wow; A screw shaft (50) inserted into the screw hole (11) of the elevating plate (10); It is composed of a rotating means 60 is connected to the end of the screw shaft 50 to rotate the screw shaft 50, when the screw shaft 50 is rotated through the rotating means 60, the lifting plate 10 is elevated By doing so, the wire 40 which crosses between the feed pulley 20 of the elevating plate 10 and the fixed pulley 30 of the vertical support stand 1 is pulled or loosened to be connected to the end of the wire 40. Elevated light fixture, characterized in that the base (2) is rotated. The method of claim 1, The light box (3) and the horizontal strut (2) is provided with a coupling portion 4 is detachably coupled to the light box (3) when the wire 40 fixed to one end of the light box (3) is pulled horizontally Pulled to the support post 2 side is coupled to the coupling portion 4, when the wire 40 is released, the light box 3 is weakened by the coupling portion 4 of the horizontal support post 2, the horizontal support post (2) Elevated light fixture, characterized in that when the light (3) is lowered down a certain length when) is lowered. The method according to claim 1 or 2, The wire 40 is made of at least two lines and made into an integrated body in which the wires 41 are inserted between the wires 40 and connected to the inside of the light box 3 at the end of the horizontal strut 2, and Elevated electric light box, characterized in that the power supply to the bulb through the wire 40 to protect the tensile force generated when the wire does not reach. delete The method according to claim 1 or 2, The rotating means 60, the handle 61 which is detachable to one side of the longitudinal support (1), a pair of gears (62) engaged with each other at the end of the handle 61 and the lower end of the screw shaft (50). Elevated light fixture, characterized in that consisting of. The method according to claim 1 or 2, The rotation means 60 is located in the lower side of the longitudinal support (1), the electric motor 63 is connected to the lower end of the screw shaft 50, and the switch 64 for driving the electric motor 63 ) Is a lifting light box characterized in that the vertical holding (1) attached to the outside or inside. The method according to claim 1 or 2, An inner wall of the vertical support stand 1 is formed in an octagonal shape to provide four fixed pulleys 30 at equal intervals, and four conveying pulleys 20 to be positioned between the fixed pulleys 30 are elevated. A liftable light box characterized in that it is mounted on the side of (10).

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