KR20000037487A - a streetlight which is simply maintained - Google Patents

Abstract

PURPOSE: A streetlight is provided to easily repair the street light by using an arm. CONSTITUTION: A streetlight pole(10) is vertically fixed to the ground. An arm(20) is engaged with the upper end of the streetlight pole(10), and is extended towards the street. A light is engaged with the end portion of the arm(20). The lower end of the arm(20) is fixed to the upper end of the streetlight pole(10). The arm(20) is pivoted from an elbow(40) by the manipulation of a winch mechanism. The light(30) can be separated from the arm(20). According to the streetlight, the street light can be easily repaired by using the arm(20).

Description

A streetlight which is simply maintained}

The present invention relates to a street light easy to maintain the maintenance of the light fixture, and more particularly, by maintaining the light fixture at the top of the street lamp to the ground by manual labor to return to the original position after replacement and cleaning of parts It relates to a street light to facilitate.

In general, street lamps installed in the center of roads or around roads, which are installed for the purpose of revealing roads and sidewalks, are composed of street lamps, balance arms, and light fixtures, and are produced in various forms.

As shown in FIG. 1, a conventional street lamp includes a street light pole 1 fixed vertically to the ground and an arm 40 coupled to an upper end of the street light pole 1 and extending toward the road, and the balance arm 2. It consists of a light fixture (3) integrally coupled to the end of the).

The light fixture (3) is to be supplied power from the ground through the interior of the street lamp (1), the light fixture (5) provided in the light fixture (3) can be replaced after removing the transparent cover (4) Can be.

The street lamps installed in this way can be seen as harmonious with the surrounding environment due to their appearance and cleanliness at the beginning of installation, but they become unsightly as they are contaminated by snow, rain, dust, automobile smoke, and so on. The cover must be cleaned and the lamp replaced at regular intervals.

However, since these street lights are high in height, in order to maintain the light fixtures, a ladder or a crane must be mobilized, and at least two workmen, such as a crane pilot and an assistant worker, require a lot of maintenance costs.

In addition, since the crane has to be stopped on the road and maintenance work of the street lamps has occurred, there have been closures that cause traffic congestion in the city and risks in altitude work.

The present invention is to solve the above problems, an object of the present invention is to equip the winch mechanism in the lower part of the street lamp and the operator's operation of the winch mechanism on the ground, the arm of the street lamp rotates downward and the rotation of the balance arm is When completed, the light fixtures can be lowered to the ground to replace lights and parts and to remove contaminants. To provide.

1 is a side view for explaining the configuration and installation state of a typical street light.

Figure 2 is an exploded perspective view of a street lamp showing a first embodiment of the present invention.

3 is a side cross-sectional view of the balance arm shown in FIG.

4 is a cross-sectional view of the balance arm shown in FIG.

Figure 5 is a side view of the installation state of the street lamp shown in the first embodiment of the present invention.

6A is a right side view of the winch mechanism for explaining the structure and operation of the latch provided in the first embodiment of the present invention.

Fig. 6B is a plan sectional view of the winch mechanism for explaining the structure and operation of the latch provided in the first embodiment of the present invention.

7 is a side view for explaining a state in which the balance arm of the street lamp according to the first embodiment of the present invention is rotated.

8 is a side view for explaining a state in which the light fixture is separated while descending from the balance arm of the street lamp according to the first embodiment of the present invention.

Figure 9 is an exploded perspective view of a street lamp straying a second embodiment of the present invention.

10 is a side cross-sectional view of the installation state of the street lamp illustrated in FIG.

* Description of the symbols for the main parts of the drawings *

10; Street lamp note 11; Access door 12; A first insertion hole 13; 2nd insertion hole

20; Balance arm 21; Space part 22; Through 23; Plug 1

24; Second jack 25; Pinhole 30; Light fixture 31; cover

32; Light fixture 33; Anchor hole 34; First jack 40; Elbow

41; Pinhole 42; Pulley 43; Second plug 50; Winch mechanism

51; Drum 52; Drum shaft 53; Bracket 54; wire

55a; Wheel 55b; Stopper 55ba; Fitting groove 60; case

61; Major 62; First insertion hole 63; Second insertion hole C; Powerline

C1; Wire P; pin

The present invention is coupled to the street lamp column 10 fixed to the ground perpendicular to the ground and the top of the street lamp column 10, the arm 20 extending toward the road and the light fixture 30 is coupled to the end of the balance arm 20 In the street light consisting of,

The lower end is fixed to the upper end of the street lamp column 10 so that the balance arm 20 is rotatable within a predetermined angle range at the upper end of the street lamp column 10 and the top of the balance arm 20 in the middle of the balance arm 20 One end of the elbow 40 and the wire 54 wound on the drum 51 are guided by the plurality of pulleys 26 and 42 and extended along the street lamp column 10 and the balance arm 20. It consists of a winch mechanism 50 installed in the lower portion of the street lamp column 10 in a state connected to the rear end of the light fixture 30, the balance arm 20 by the operation of the winch mechanism 50 is elbow The balance arm 20 is rotated up and down at 40 and the light fixture 30 is suspended from the end of the wire 54 by its own weight when the tip of the balance arm 20 faces the ground. It is characterized by being separated from

Hereinafter, the preferred embodiments of the present invention will be described in detail.

<First Embodiment>

2 to 8 illustrate a street lamp according to the first embodiment of the present invention.

As shown in FIG. 2, the present invention is composed of a street lamp column 10, a balance arm 20, a light fixture 30, an elbow 40, a winch mechanism 50, and the like. Arm 20 and the light fixture 30 is configured to rotate or detachable.

The street lamp 10, the balance arm 20 and the light fixture 30 can be manufactured in various forms as FRP (fiberglass reinforced plastics) or a non-ferrous metal as in the prior art, for example, the cross-section of the street lamp 10 is illustrated as a square But it can be manufactured in polygons or circles, such as square, hexagon.

As illustrated, the thickness and width of the balance arm 20 are gradually thinner from the rear end to the front end, so that the vertical and horizontal rotational movements are smoothly made because the center of gravity is located close to the rear end.

3 and 4, inside the balance arm 20, the through hole 22 through which two lines of wires C1 and two lines of wires 54 are formed, respectively, in upper and lower left and right sides, The front end of the balance arm 20 is provided with a first plug 23 connected to the first jack 34 on the side of the light fixture 30. The rear end of the balance arm 20 is formed with a space portion 21 opened downward, and a pair of pulleys 26 are coaxially installed at the rear of the space portion 21 and at the front of the space portion 21. A second jack 24 connected to the elbow 40 side second plug 43 is built in. And a pinhole 41 penetrating in the left and right direction of the elbow 40 is formed in the middle of the balance arm 20 and the rear end thereof is connected to the upper end of the elbow 40 to be described later.

The lighting device 30 is fitted with a lamp 32 into the socket on the inside of the transparent cover 31 that is detachable therein as usual. However, the light fixture 30 according to the present invention is provided with a first jack 34 at its rear end and is electrically connected to the socket and connected to the first plug 23 at the rear end of the above-described balance arm 20. do. In addition, the extension ends of the two wires 54 passing through the balance arm 20 are respectively fixed through two fixing holes 33 formed at the left and right sides of the rear end of the light fixture 30.

The illustrated elbow 40 has a shape of approximately "┏" as viewed from one side, the top of which is opened in the up and down and front and rear directions, and the upper end portion thereof has a pinhole 41 for connecting the balance arm 20 to the lever. It is formed in the horizontal direction. In addition, a second plug 43 connected to the second jack 24 of the balance arm 20 is installed at the rear of the elbow 40, and the second plug 43 is connected to the inside of the street lamp column 10 from the ground. An extended power line C is connected. In addition, two sets of pulleys 42 are disposed on the rear surface of the elbow 40 side by side in the front-rear direction so as to be positioned below the second plug 43. In addition, the lower portion of the elbow 40 is a quadrangular cross section so as to be fastened with bolts while being fitted to the upper outer circumferential surface of the street lamp column 10.

Illustrated street lamp column 10 has a winch mechanism 50 is installed at a height of about 1 m in the form of a square pillar.

As illustrated in FIGS. 1, 6A and 6B, the winch mechanism 50 according to the present invention is installed on the outer circumferential surface of the street lamp column 10, and has a latch 55 on one side and two wires 54. It is composed of a wound drum 51, a handle 56 separately provided to rotate the drum 51 in one direction, and a lever 57 separately provided to release the locked state of the latch 55.

Wires 54 are wound on both sides of the divided disk in the middle of the outer circumferential surface of the drum 51, and one end of the drum shaft 52 is fitted with a crank handle 56, which is separately provided as a rectangular cross section, and is manually operated. In order to rotate the drum 51, but instead of the handle 56 may be connected to the motor to rotate the drum 51. On the opposite side to which the handle 56 is fitted, a conventional latch 55 composed of a wheel 55a and a spring-tipped stopper 55b is provided to the outside of the stopper 55b constituting the latch 55. A rectangular fitting groove 55ba is formed to connect the lever 57 provided separately to release the locking state of the latch 55.

On the other hand, the drum 51 is installed to be rotated horizontally on the outer circumferential surface of the street lamp column 10 by the bracket 53, preferably in the form of a box made of plastic or non-ferrous metal material for the protection and safety of the device and appearance It is preferable to be built in the case 60 of the installation. In this case, when the case 60 is provided, a long hole 61 for passing the wire 54 is formed on the upper surface, and the first insertion hole 62 for connecting the handle 56 to the drum shaft 52 on the right side, respectively. ) And a semi-circular second insertion hole 63 for rotating by connecting the lever 57 to the stopper 55b on the right side.

In the present invention configured as described above, as shown in FIG. 6A, the wire C1 is connected to the second jack 24 and the first plug 23, and the elbow 40 is bolted to the upper end of the street lamp column 10. To the pin (P) so that the balance arm 20 can be rotated up and down on the upper end of the elbow 40 through the pinhole 41 of the elbow 40 and the pinhole 25 of the balance arm 2. Connect. Then, the two wires 54 wound around the drum 51 of the winch mechanism 50 extend upward along the outer circumferential surface of the street lamp column 10 so that the two pulleys 42 and the balance arm 20 of the elbow 40 are extended. It is fastened to the pulley 26 at the rear end in turn, and then passes through the left and right through holes 22 of the balance arm 20 forward from the rear end of the balance arm 20, and ends thereof are respectively located at the rear end of the light fixture 30. The assembly of the street light is completed by fixing to the fixing hole 33.

In the present invention assembled as described above, the street lamp column 10 is installed on the side of the road so that the balance arm 20 and the light fixture 30 face the road, and the power line C is underground to the interior of the street lamp column 10. It can be extended and connected to the second plug 43.

According to the present invention provided as described above, the second jack 24 is connected to the second plug and the first plug 23 is connected to the first plug 34 in the state in which the wire 54 is fully wound on the drum 51 of the winch mechanism 50. Is connected to the power line (C) to supply electricity to light the lamp 32 of the light fixture 30, the latch 55 is kept locked so that the balance arm 20 and the light fixture 30 is By facing the road, it functions as a street lamp.

If the light fixture 30 is to be maintained, first, the handle 56 is connected to the drum shaft 52 and the lever 57 is connected to the fitting groove 55ba at the stopper 55b, and then the lever ( Pulling 57 may release the locking state of the latch 55 because the stopper 55b is spaced apart from the wheel 55a. As such, when the locking state of the latch 55 is released, the balance arm 20 rotates around the pin P and the second jack 24 is separated from the first plug 23. At this time, by holding the handle 56, the release speed of the wire 54 can be suppressed to properly adjust the rotational speed of the balance arm 20, and the balance arm 20 is completely rotated as shown in FIG. ) Faces the ground. Thereafter, further loosening the wire 54 separates the light fixture 30 from the balance arm 20 and lowers it further toward the ground as shown in FIG. 8.

When the light fixture 30 is lowered to a suitable height for work, the force is removed from the lever 57 or separated from the stopper 55b to lock the latch 55. At this time, the light fixture may be removed even when the handle 56 is removed. 30 stops without descending. Therefore, the operator may replace the lamp 32 and parts and remove the contaminants conveniently.

On the other hand, after the operation is completed, turn the handle 56 in the clockwise direction, the wire 54 is wound on the drum 51 of the take-up mechanism, and initially the light fixture 30 is pulled upwards to balance the arm 20 The first plug 23 and the first jack 34 are connected at the same time. Thereafter, while the wire 54 is continuously wound on the drum 51, the force is applied to the pulley 26 at the rear end of the balance arm 20, and the balance arm 20 rotates upward by the principle of the lever and the balance arm ( When 20) is completely rotated, the second jack 24 and the second plug are connected. At this time, the balance arm 20 and the light fixture 30 have a normal shape, and when the rotation of the handle 56 is stopped, the latch 55 locks the drum 51 and the power line C is in this state. The lamp 32 can be turned on by supplying electricity.

In addition, since the voltage supplied to the lamp 32 along the power line C is a high voltage, before operating the winch mechanism 50, the power is normally supplied using an arbitrary switch (not shown) provided on the primary voltage side. If you work after blocking, you can prevent the spark that may occur when the jack and plug between the plug and the plug can safely work.

<Second Embodiment>

According to the first embodiment of the present invention described above, the winch mechanism 50 is properly installed using the street lamp column 10 manufactured or already installed in the existing structure as it is, and the elbow 40, the balance arm 20, and the light fixture ( 30) can be applied. Therefore, as described above, the winch mechanism 50 provided in the present invention is installed to protrude to the outside of the street lamp column 10, and the case 60 is provided to protect the winch mechanism 50 as necessary.

In contrast, in the second embodiment of the present invention, the winch mechanism 50 may be embedded in the lower portion of the street lamp column 10 to simplify the appearance and to provide a separate structure for protecting the winch mechanism 50. Example and operation and use are the same.

However, the second embodiment is different from the first embodiment because the winch mechanism 50 is built in the street lamp column 10, the two wires 54 wound on the drum 51 is moved upward from the inside of the street lamp column 10. Extending, the pair of pulleys 42 of the pair of pulleys installed in the elbow 40 is installed in the elbow 40 is formed in a structure that can be guided to the outside of the elbow 40 by hanging the wire 54 It was. In addition, the first insertion hole 12 and the lever 57, which can be connected to the drum shaft 52 by inserting the handles 56 on both sides of the street lamp column 10, respectively, can be inserted into the stopper 55b. The second insertion hole 13 is provided, and the door 11 for an inspection port for installing or maintaining the winch mechanism 50 is provided as needed.

The present invention as disclosed in the second embodiment will be omitted because the use and operation is the same as the first embodiment, and those skilled in the art within the scope of the technical spirit of the present invention Various design changes can be made at

As described above, the present invention rotates the balance arm 20 which is installed substantially horizontally on the top of the street lamp column 10 vertically using the lever principle, and the street lamp column 10 coupled to the balance arm 20. Lowered close to the ground to maintain the light fixtures 30 after the maintenance to the original position again, without the need for a separate ladder or special vehicle maintenance of the street lamp can be easily performed by the maintenance of the street lamp It does not cause traffic congestion in the city, and there are advantages to prevent the safety accident of workers due to the high altitude work.

Claims (5)

Street light consisting of a street lamp 10 fixed to the ground vertically and the balance arm 20 coupled to the top of the street lamp 10 extending toward the road and the light fixture 30 coupled to the end of the balance arm 20 To The lower end is fixed to the upper end of the street lamp column 10 so that the balance arm 20 is rotatable within a predetermined angle range at the upper end of the street lamp column 10 and the top of the balance arm 20 in the middle of the balance arm 20 One end of the elbow 40 and the wire 54 wound on the drum 51 are guided by the plurality of pulleys 26 and 42 and extended along the street lamp column 10 and the balance arm 20. It consists of a winch mechanism 50 installed in the lower portion of the street lamp column 10 in a state connected to the rear end of the light fixture 30, the balance arm 20 by the operation of the winch mechanism 50 is elbow The balance arm 20 is rotated up and down at 40 and the light fixture 30 is suspended from the end of the wire 54 by its own weight when the tip of the balance arm 20 faces the ground. Easy-to-maintain horizontal, characterized in that it can be separated from . According to claim 1, The through-hole 22 through which two wires (C1) and two wires 54 pass through the inside of the balance arm 20 is formed in the upper and lower left and right sides, respectively, the balance arm 20 A first plug 23 is connected to the first jack 34 on the side of the light fixture 30 at the distal end of the light fixture 30, and the rear end of the balance arm 20 is formed with a space 21 opened downward. In the space portion 21, a pair of pulleys 26 are installed coaxially with a second jack 24 connected to the second plug 43 on the elbow 40 side. Easy to maintain street light, characterized in that the power line (C) for supplying power is connected. The winch mechanism (50) according to claim 1, wherein the winch mechanism (50) has a latch (55) on one side and a drum (51) wound around two wires (54), and is provided separately to rotate the drum (51) in one direction. Easy-maintained street light, characterized in that it comprises a handle 56 and a lever (57) provided separately to release the locked state of the latch (55). 4. The drum (51) according to claim 3, wherein the drum (51) rotates the drum (51) by connecting the handle (56) to one end of the drum shaft (51) by forming one end of the drum shaft (52) in a rectangular cross section. The latch 55 is disposed outside of the stopper 55b at the same time that the latch 55 is disposed on the opposite side to which the handle 56 is fitted. Easy-maintained street light, characterized in that by forming a square fitting groove (55ba) by connecting the lever (57) to the fitting groove (55ab) to release the locking state of the latch (55). The street lamp according to claim 3, wherein the winch mechanism (50) is installed on an outer circumferential surface of the street lamp column (10) or inside the street lamp column (50).