KR101870896B1 - Rail-type elevating lighting tower - Google Patents

Abstract

The present invention is characterized in that the brake function for preventing fall of a structure is formed in a carrier connected to a structure to further enhance safety and a load burden imposed on the wire when the carrier connected to the structure is located on the upper portion of the support And can be safely and quickly replaced without the need for a separate vehicle to be mounted on the outside of the railing by rotating the structure in which the lighting lamp is installed relative to the support.
It is possible to prevent the damage of the wire by reducing the load burden on the wire when the carrier is placed on the upper part of the support, And can be safely and quickly replaced without the need for a separate vehicle to be mounted.
The rail type ascending / descending illumination tower of the present invention further includes carrier fixing means for arranging two braking levers of the braking mechanism and connecting the braking levers to each other by an interlocking bar and fixing the carrier to the upper part of the support, So that it can be rotated about the center.

Description

RAIL-TYPE ELEVATING LIGHTING TOWER

The present invention relates to a rail-type ascending / descending lighting tower, and more particularly, to a braking function of a double structure to further improve braking force and safety and to prevent damage and disconnection of a wire caused by continuous load on a wire And to a rail type ascending / descending illumination tower capable of safely and quickly working an illumination lamp located outside a railing without the need of a separate vehicle for the maintenance or replacement of the illumination lamp.

Generally, in the vicinity of harbors, airports, railway stations and expressway interchanges, large parking lots and parks, factory facilities, major buildings, athletic fields, etc., And a plurality of illumination lamps are mounted on the structure and are raised and lowered along guide rails provided on the support by carriers connected to the structures.

As such a rail type ascending / descending illumination tower, there is known one in Korean Patent No. 10-1070196. The rail-type ascending / descending illumination tower has guide rails extended to the upper and lower portions of the support, a carrier connected to a structure having a plurality of illumination lamps guided by the guide rails to move up and down, And is connected to a wire wound around a drum of the elevation driving portion provided at the lower portion thereof so as to move up and down according to the driving of the elevation driving portion.

The rail type ascending / descending illumination tower is provided with a braking mechanism in the carrier as a safety measure against the falling of a structure equipped with a plurality of illumination lamps when a wire connected to the carrier is broken.

The braking mechanism includes a bracket fixed to the carrier and guided to the guide rail, and a braking lever provided on the bracket. The braking lever is connected to the wire so that the end of the braking lever is normally spaced from the guide rail. The end of the braking lever is strongly brought into close contact with the guide rail to perform a braking function, thereby preventing a safety accident from occurring due to the fall of a structure equipped with a plurality of illumination lamps.

However, the conventional rail type upward / downward lighting tower has a problem in that it can not prevent a safety accident caused by a fall of a structure when a wire is broken in a state in which it is not found that an abnormality has occurred in the brake mechanism. Therefore, even when the brake mechanism is checked to be abnormal, it is necessary to perform safety inspection of the brake mechanism from time to time, and even if the brake mechanism is not functioned when the structure is actually broken due to break of the wire There is a problem that can not prevent an accident.

In addition, the conventional rail type ascending / descending illumination tower is designed to maintain the structure and the fixed state of the carrier by stopping the driving of the elevation driving portion in a state where the structure and the carrier are moved to the upper portion of the support. The load of the structure and the carrier is applied to the central portion of the carrier and the connection portion of the carrier and the wire, and the wire is often deteriorated and damaged.

In addition, when replacing or repairing an illumination lamp installed outside the building of a structure, a conventional rail-type ascending / descending lighting tower uses a mechanism or equipment such as a special-purpose vehicle equipped with a separate elevator ladder or shuttle elevator apparatus , Which requires a large number of workers to be input and takes a lot of work time, thereby increasing the inefficiency of the work.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a brake system for a vehicle, And the other type of braking function is operated even when it is not possible to perform the function, thereby preventing the falling of the structure during wire cutting, thereby further improving the safety.

Another object of the present invention is to prevent the wire from being damaged and to improve the durability and safety of the product by keeping the structure and the carrier in a fixed state by preventing the load from being applied to the wire in a state where the structure and the carrier are located on the upper part of the support And a rail-type ascending /

It is another object of the present invention to provide a rail-type ascending / descending illumination tower which is constructed such that a structure in which an illuminating lamp is installed is rotated around a support, and an illuminating lamp located outside a handrail can be safely and quickly replaced without moving a separate vehicle .

According to an aspect of the present invention, there is provided a lighting system comprising: a carrier connected to a structure having a plurality of light fixtures mounted thereon and provided with a brake mechanism for preventing falling; A support for installing the carrier at a predetermined height; A guide rail installed vertically on the outside of the pillar to guide the carrier in a vertical direction; And a raising and lowering lighting tower having one end connected to a brake mechanism of the carrier to raise and lower the carrier, a drum for winding the wire, and a driving motor for rotating the drum, The braking mechanism includes a bracket fixed to the carrier and connected to an end of the wire, a braking lever provided on the bracket, and a braking mechanism provided between the braking lever and the bracket, so that the end of the braking lever is always in contact with the guide rail A spring for applying an elastic force and elasticity adjusting means for adjusting elasticity of the spring, wherein the braking levers are arranged in two guide directions of the guide rails and connected to each other by an interlocking bar, A cylindrical body fixed to the bracket and having a spring therein, And a rail type ascending / descending illumination tower, which is composed of an adjusting screw for screwing the cylindrical body and compressing or stretching the spring, and a fixing screw screwed to the cylindrical body and fixing the adjusting screw tightly.

Further, the present invention may further comprise carrier fixing means for fixing the carrier connected to the structure to the upper portion of the support, wherein the carrier fixing means is provided with the elastic pieces upwardly disposed on both sides of the carrier, And the fixing pin of the fixing portion is brought into contact with the carrier as the carrier is lifted so that the elastic piece can be bent forward, A pair of locking parts formed by bending the fixing groove on the upper side of the inclined surface and forming a locking piece on the rear side of the fixing groove and forming a guiding surface inclined rearwardly in the lower side of the locking piece, And a pair of stoppers, each having an inclined surface formed on the lower front side and rear side, It is characterized in a rail elevating light tower.

In the present invention, the structure may include upper and lower circular guide rails coupled to slide plates of a carrier, each of which has a diameter slightly larger than the diameter of the support and which is coupled to both ends of the vertical connection member and which is movably coupled to the guide rail A plurality of horizontal rotary rolls and a plurality of vertical rotary rolls rotatable about the lower ends of the upper and lower circular guide rails so as to be rotatable along the lower ends of the upper and lower circular guide rails, An upper outer frame connected to the upper inner frame and provided with a plurality of illumination lamps, a lower outer frame connected to the lower inner frame, and a lower outer frame connected to the lower inner frame, A fixing piece having an insertion groove into which a fixing pin is inserted; and a nut Rail elevating which is characterized by the light tower.

According to the present invention having the characteristic features described above, since the braking lever of the braking mechanism for preventing the carrier connected to the structure from falling during wire cutting is constituted of two brakes, the braking force is increased, Of course, when an abnormality occurs in one braking lever and the braking lever can not perform its function, the other braking lever performs the braking function, thereby further improving the safety.

Further, since the braking force of the braking mechanism is adjusted by the elasticity adjusting means, the present invention can cope with the braking force change due to the error in the setting of the braking mechanism, so that it is easy to set the braking force to a desired braking force.

In addition, according to the present invention, since the load is distributed through the carrier fixing means without applying the load of the structure and the carrier on the upper part of the support along the guide rails of the support, the fall of the structure due to the breakage of the wire is prevented, There is an effect of maximizing the sense of trust.

The present invention is also applicable to a case where a lighting lamp of an illumination tower installed at an edge of an airport or a port or the like is replaced or repaired and a lighting lamp located on the side of a railing of a building difficult to be accessed by an operator is used for a separate elevator ladder or a special purpose vehicle It is possible to rapidly and safely replace and repair the illumination lamp by shortening the structure by rotating the structure at a predetermined angle around the support through the carrier and the rotating means of the structure after the structure is lowered, It is possible to prevent a fall accident beforehand.

1 is a front view showing a rail type ascending / descending illumination tower according to the present invention;
FIG. 2 is a detailed view of the main part of FIG. 1 showing the lifting and driving portion of the rail type upward / downward lighting tower according to the present invention.
3 is a side view of the main part of FIG. 1 showing a state in which a carrier is installed on a guide rail in a rail type ascending / descending illumination tower according to the present invention.
4 is a front view showing an installation state of the brake mechanism of the rail type ascending / descending illumination tower according to the present invention.
5 is a sectional view taken along the line AA in Fig. 4
6 is a sectional view taken along line BB of Fig.
7 is a partially cut-away perspective view showing an installation state of the carrier fixing means and the structure rotating means in the rail type ascending / descending illumination tower according to the present invention.
8A and 8B are an upper front view and a side elevation view of a support structure showing a mounting state of a carrier fixing means in a rail type upward / downward lighting tower according to the present invention.
9A to 9D are operational state diagrams of the carrier fixing means shown in Fig.
10 is a perspective view of a main part showing a structure in the rail type ascending / descending illumination tower of the present invention.
11A and 11B are a plan view and a bottom view of a structure of a rail type ascending / descending illumination tower of the present invention.
12 is a sectional view taken along the line CC of Fig.
13 is a perspective view of the main part showing the rotation restraining means in the structure of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. 1 to 6 illustrate a preferred embodiment of the rail-type ascending / descending illumination tower according to the present invention. As shown in FIG. 1, the tower 11 has a length of 12 to 50 m.

A guide rail 12 is elongated in the vertical direction on the support 11 and a carrier 13 is guided on the guide rail 12 so as to ascend and descend. A structure 15 connected to the carrier 13 A plurality of illumination lamps 14 are installed.

A slide plate 13a is provided on a carrier 13 connected to a structure 15 in which a plurality of illumination lamps 14 are installed and the slide plate 13a is guided by a guide rail 12, And is moved upward and downward along the guide rail 12 between the lower portion and the upper portion of the support 11 by the elevation drive portion 20 provided in the guide rail 12. [

Fig. 6 is a sectional view taken along the line BB of Fig. 4 showing the structure in which the slide plate 13a of the carrier 13 is guided by the guide rail 12. The slider 13b is engaged with the guide rail 12, And the slider 13b is provided at three places along the raising and lowering direction of the guide rail 12 as shown in Fig.

2, the lifting and lowering driving unit 20 is for lifting up and lowering the structure 15 and the carrier 13 from the pillars 11 and comprises a wire 21 connected to the carrier 13, A drum 22 for winding the wire 21, and a drive motor 23 for rotating the drum 22. The wire 21 wound on the drum 22 is hooked on a roller (not shown) provided on the upper part of the support 11 and its end is connected to the slide plate 13a of the carrier 13, So that the carrier 13 can be moved up and down by unwinding or winding the drum 22 on which the wire 21 is wound.

3 to 5, the carrier 13 is provided with a brake mechanism 30 as a safety means for preventing the structure 15 and the carrier 13 from falling when the wire 21 is cut have.

The brake mechanism 30 has a bracket 31 which is provided on the slide plate 13a of the carrier 13 and to which the end of the wire 21 is connected and the brake lever 32 is provided on the bracket 31 have. The braking lever 32 is provided so as to be inclined with respect to the guiding direction of the guide rail 12 so that the end of the braking lever 32 contacts the guide rail 12 and the elasticity of the spring 34 provided between the bracket 31 and the braking lever 32 So that its end is always in close contact with the guide rail 12.

Therefore, when one side of the braking lever 32 is connected to the wire 21 side, when the carrier 13 is lifted and lowered by the lifting and lowering driving unit 20, the spring 34 is compressed by the pulling force of the wire 21 When the end of the braking lever 32 is separated from the guide rail 12 and the pulling force of the wire 21 is removed by cutting the wire 21, the elastic force of the compressed spring 34 causes the braking lever 32 Is firmly brought into close contact with the guide rail 12 so as to stop the downward movement of the carrier 13. The end of the braking lever 32 has a sawtooth shape to increase the braking force.

At this time, the braking levers 32 as described above are arranged in the guide direction of the guide rails 12 so that the braking levers 32 can be interlocked with each other by the interlocking bar 33, thereby performing the double braking function.

The spring 34 may be provided in only one of the two braking levers 32, and the spring 34 is capable of adjusting the elastic force by the elasticity adjusting means.

The elasticity adjusting means includes a cylindrical body 35 fixed to the bracket 31 and having a spring 34 housed therein and a cylindrical body 35 screwed to the cylindrical body 35 to compress or extend the spring 34 An adjusting screw 36 and a fixing screw 37 screwed to the cylindrical body 35 to tightly fix the adjusting screw 36.

Accordingly, when the fixing screw 37 is loosened and the adjusting screw 36 screwed to the cylindrical body 35 is rotated in the forward and reverse directions, the elasticity of the spring 34 can be adjusted by compressing or stretching the spring 34 When the fixing screw 37 is tightened after the adjustment, the adjusting screw 36 is tightly fixed, so that the elastic force of the spring 34 can be maintained.

The braking force of the brake mechanism 30 can be adjusted by the elasticity adjusting means as described above, so that the braking force can be set to a desired braking force corresponding to the change in the braking force due to the error in the setting operation of the brake mechanism 30, It is very easy.

Hereinafter, the operation of the present invention will be described. 4 and 5, when the driving motor 23 of the elevation driving unit 20 is driven and the drum 22 is rotated to pull the wire 21, the brake lever 30 of the brake mechanism 30 The slide plate 13a of the carrier 13 connected to the wire 21 is guided by the guide rail 12 to move to the upper portion of the support 11 and the brake lever 30 of the brake mechanism 30 32 are spaced apart from the guide rail 12 by the pulling force of the wire 21 (direction of arrow a).

When the wire 21 is cut while the structure 15 provided with the illumination lamp 14 is positioned at a desired height of the support 11 by moving the carrier 13 in this manner, The carrier 13 and the structure 15 are lowered and at the same time the pulling force of the wire 21 acting on the braking lever 32 of the brake mechanism 30 provided on the carrier 13 is removed, Shaped end of the braking lever 32 is brought into close contact with the guide rail 12 due to the elastic force of the spring 34 and the braking force is generated so that the structure 15 and the carrier 13 are stopped without falling down.

The braking mechanism 30 of the present invention includes two braking levers 32 and is connected to the connecting bar 33 so that the two braking levers 32 are tightly attached to the guide rails 12 It is possible to further increase the braking force, thereby preventing the fall of the structure 15 more surely. Moreover, even if the braking function is lost due to an abnormality in any one of the two braking levers 32, The braking lever 32 of the braking force exerted a braking force to prevent the structure 15 from falling down, thereby further enhancing safety.

7, 8A and 8B, the structure 15 provided with the illumination lamp 14 is fixed in a state of being positioned above the pillars 11, so that a load is applied to the wire 21 So that the burden on the wire 21 can be reduced.

The carrier fixing means forms a pair of fixing portions 41 on both sides of the carrier 13. The fixing portion 41 is formed by fixing the elastic piece 41a on the upper side of the carrier 13 and forming the fixing pin 41b on the upper end of the elastic piece 41a so as to project inward.

Such a fixing portion 41 is guided by a pair of engaging portions 42 provided on the upper end 11a of the support 11 as the carrier 13 ascends (see the virtual line state in Fig. 8A) A slant surface 42a is formed on the lower front side of the engaging portion 42 so that the fixing pin 41b is in surface contact with the resilient piece 41a so as to be raised and fixed while being bent forward, The engaging piece 42c is formed on the inner side of the rear of the fixing groove 42b so that the fixing pin 41b is not released when the fixing portion 41 is lifted, And a guide surface 42d inclined rearward to the rear lower side is formed.

A pair of stoppers 43 are connected to the upper side of the latching portion 42. The stopper 43 prevents the latching portion 42 from moving backward when the fixing portion 41 is raised, The projecting portion 43a inclined to the front and rear portions is formed on the upper side of the fixing groove 42b.

The fixing portion 41 of the carrier fixing means is biased rearward beyond the vertical line of the engaging piece 42c formed on the engaging portion 42 so that the fixing pin 41b is engaged with the engaging piece 42c And the carrier 13 is formed to descend.

The operation and effect of the carrier fixing means constructed as described above will be described with reference to Figs. 9A to 9D.

9A, the fixing portion 41 is lifted and the fixing pin 41b is lifted up by the engaging portion 42, as shown in FIG. 9A, by driving the elevation driving portion 20 to raise the carrier 13 As shown in Fig.

When the fixing pin 41b is lifted along the inclined surface 42a, the elastic piece 41a is lifted while being bent forward, and when the carrier 13 is fully lifted, the elastic piece 41a is restored, The fixing pin 41b of the piece 41a is caught by the projection 43a of the stopper 43. [

9B, when the carrier 13 is stopped, the carrier 13 is slightly lowered by the load of the carrier 13, and the fixing portion 41 also descends.

When the fixing part 41 is lowered, the resilient piece 41a of the fixing part 41 is caught by the retaining piece 42c of the retaining part 42, .

In order to lower the carrier 13 in this state, as shown in Fig. 9C, the carrier 13 is slightly lifted and the fixing pin 41b is moved to the rear of the engaging piece 42c by the restoring force of the resilient piece 41a When the circularly positioned rear carrier 13 is lowered, the fixing pin 41b of the fixing portion 41, which is detached from the locking portion 42, descends along the guide surface 42d as shown in FIG. 9D.

As described above, according to the present invention, since the carrier 13 can be easily fixed only by the ascending and descending of the carrier 13 by the carrier fixing means, the load applied to the wire 21 can be shared, It is possible to prevent a safety accident caused by the accident.

As shown in FIGS. 10 to 13, the structure 50 of the present invention is configured to be rotatable about a support 11.

10, upper and lower circular guide rails 51 and 53 each having a diameter slightly larger than the diameter of the support 11 are provided, and the vertical connection member And a slide plate 55 of a carrier slidably coupled to the guide rail 12 is coupled to the inside of the upper and lower circular guide rails 51 and 53 by a connecting piece 56, do.

A plurality of horizontal rotary rolls 61a and 63a are provided so as to be able to rotate 360 ° along the upper ends of the upper circular guide rails 51 and the lower ends of the lower circular guide rails 53 as shown in FIGS. 11A, 11B, And upper and lower inner frames (61, 63) rotatably coupled to the vertical rotating rolls (61b, 63b).

An upper outer frame 62 is formed on the upper inner frame 61 by a plurality of first horizontal connection frames 65. A plurality of light fixtures 14 are arranged on the lower end of the upper outer frame 62 at predetermined intervals. Respectively.

And a lower outer frame 64 is coupled by a plurality of second horizontal connection frames 67 outside the lower inner frame 63. In this case, the upper and lower inner frames 61 and 63 are connected and supported by a plurality of vertical connection frames 68 as shown in FIG.

At this time, when the balance lamp can not be maintained by arranging the lamps 14 at the same intervals in the upper outer frame 62, that is, when the lamps 14 are not arranged evenly, The plurality of horizontal rotary rolls 61a and 63a and the vertical rotary rolls 61b and 63b are guided to the upper and lower ends of the upper and lower circular guide rails 51 and 53, 51 and the lower end of the lower circular guide rail 53, so that the structure 50 is prevented from tilting to one side.

As shown in FIGS. 10 and 13, the structure 50 is provided with rotation inhibiting means for selectively taking rotation and fixing. The rotation restraining means is provided at the lower end of the slide plate 55 with respect to the support pillars 51 A fixing pin 72 is engaged with the protrusion 71 and a fixing pin 72 having an insertion groove 73 into which the fixing pin 72 is inserted is formed at the lower end of the lower inner frame 53. [ (74) and a nut (75) screwed to the fixing pin (72).

At this time, in the case of replacing and repairing the illumination lamp 14, in particular, the illumination lamp 14 located on the railingside side of the building (see FIG. 1), the elevation driving section 20 is operated to lower the structure 50, The upper and lower outer frames 62 and 64 of the structure 50 are guided to the upper and lower circular guide rails 62 and 64 so that the nuts 75 fastened to the fixing pins 72 are separated, 61 and 63, the illumination lamp 14 can be replaced and repaired safely and quickly.

It can also be applied to places where the other side of the tower is narrow or obstructed.

Hereinafter, the operation of the structure 50 will be described in detail.

First, when the illumination lamp 14 located outside the railing is replaced or repaired, the elevation driving unit 20 is operated to move the structure 50 downward along the guide rail 12. [ Thereafter, the nut 75 fastened to the fixing pin 72 formed at the lower end of the slide plate 55 is loosened and the upper and lower outer frames 62 and 64 are fixed so that the illumination lamp 14 located outside the railing is positioned inside the railing And is rotated by a predetermined angle along the upper and lower circular guide rails 51 and 53.

The upper and lower outer frames 62 and 64 are rotated a predetermined angle again to insert the fixing pin 72 into the insertion groove 73 of the fixing piece 74 , And the nut (75) is fastened to the fixing pin (72), so that the illumination lamp (14) can be replaced or repaired safely and quickly without mobilization of the vehicle.

It is to be understood that the embodiments described so far are merely illustrative of the preferred embodiments of the present invention and that the scope of the present invention is not limited to the embodiments described and that those skilled in the art, It will be understood that various modifications, substitutions or substitutions are possible, and such embodiments are within the scope of the present invention.

11: support 12: guide rail
13,50: Carrier 14: Lights
20: elevator opening 21: wire
30: Brake mechanism 31: Bracket
32: Braking lever 33: Connecting bar
34: spring 41:
42: Retaining part 43: Stopper
51, 53: upper and lower circular guide rails 61, 63: upper and lower inner frames
61a, 63a: rotary rolls 62, 64: upper and lower outer frames
72: fixing pin 73: insertion groove
75: Nuts

Claims (3)

A carrier on which a brake mechanism for fall prevention connected to a structure having a plurality of light fixtures is installed;
A support for installing a carrier connected to the structure at a predetermined height;
A guide rail installed vertically on the outside of the pillar to guide the carrier in a vertical direction; And
A rail type upward / downward lighting tower including one end connected to a braking mechanism of the carrier to raise and lower a carrier and a structure, a drum for winding the wire, and a drive motor for rotating the drum, In this case,
The brake mechanism includes a bracket fixed to the carrier and connected to an end of the wire,
A braking lever provided on the bracket,
A spring installed between the braking lever and the bracket and exerting an elastic force in a direction in which the end of the braking lever always adheres to the guide rail;
And elastically adjusting means for adjusting an elastic force of the spring,
Wherein the braking levers are disposed two in the guiding direction of the guide rails so as to be interlocked with each other by an interlocking bar, and the resilient adjusting means comprises: a cylindrical body fixed to the bracket and having a spring incorporated therein; And a fixing screw for holding an elastic force of the spring by screwing the adjusting screw in close contact with the cylindrical body,
The structure comprises:
An upper and lower circular guide rail having a diameter slightly larger than the diameter of the pillar and connected to both ends of the vertical connecting member and coupled with a slide plate of the carrier movably coupled to the guide rail,
An upper and a lower inner frame rotatably coupled to a plurality of horizontal rotary rolls and a vertical rotary roll so as to be rotatable 360 ° along the upper ends of the upper circular guide rails and the lower ends of the lower circular guide rails,
An upper outer frame connected to the upper inner frame and provided with a plurality of illumination lamps,
A lower outer frame connected to the lower inner frame,
A fixing pin coupled to a protruding portion protruding from a lower end of the slide plate,
A fixing piece provided at a lower end of the lower inner frame and having an insertion groove into which the fixing pin on the side of the slide plate is inserted;
And a nut that is screwed to the fixing pin.
. The apparatus of claim 1, further comprising a carrier securing means for securing a carrier connected to the structure to a strut top,
Wherein the carrier fixing means comprises a pair of fixing portions which are provided with elastic members upward on both sides of the center of the carrier and formed with fixing pins projecting inwardly from the upper ends of the elastic pieces,
The fixing pin of the fixing part is formed on both sides of the upper part of the support, and the inclined surface is formed in the lower front side so that the fixing pin of the fixing part is in surface contact with the carrier as the carrier rises and the elastic piece is bent forward. A pair of engaging portions formed on the rear side of the fixing groove and formed with a guiding surface inclined rearwardly at the rear side of the rear side of the engaging piece,
And a pair of stoppers connected to the upper side of the latching portion and having inclined surfaces formed on the lower front sides so as not to be separated from the rear side when the fixing pins are raised. delete

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