KR101006242B1 - A safety device of up and down type lighting top with a lighting - Google Patents

Abstract

The present invention prevents the reverse rotation by braking the winding drum during the rapid reverse rotation (when the luminaire is descending) of the winding rope winding the wire rope and / or chain to raise and lower the luminaire to prevent the sudden fall of the luminaire The lighting fixtures can be securely fixed to the ceiling room installed at the top of the light tower and configured to be easily lowered to maintain stable management of heavy weight lamps. It is possible to prevent the danger caused by the sudden descent of the light tower by preventing it from falling down by the various safety means provided with a large number of luminaires installed in the light tower to prevent it from falling down to prevent safety accidents. (2) to guide and stabilize the stabilizer installed in the luminaire (3) installed to move up and down In forming; The wire rope 5 and / or the chain 6 are wound up and down to raise and lower the luminaire 3, rotate with the power received from the motor 101 and the motor 101, and the wire rope 5 and //. Or it is provided on the support shaft 103 for supporting the winding drum 102 on one side of the winding drum 102 for winding or unwinding the chain 6, fixed to one side flange 104 of the winding drum 102 Cam 105 having a constant inclined surface on the side and the inclined surface corresponding to each other and the inclined surface of the cam 105 on one side, the other side is composed of a clutch plate 107 provided with a plurality of gear-like protrusions 106 It is spaced apart from each other with the clutch 108 by a spring 109 provided on the clutch 108 and the support shaft 103 to be rotated on a rotating inclined surface, and the projection 106 of the clutch plate 107 on each side A gear-shaped protrusion 110 is formed to be engaged with the corresponding stator 111 And that by rotating the winding drum safety means 100 consisting of a disc brake wheel 112 is braking; The locking piece 203 and the locking piece 203 provided with a locking groove 202 are rotatably fixed in a vertical state to the bracket 201 fixed to the bottom plate bottom of the ceiling chamber 7 fixedly installed at the top of the light tower 2. The locking groove 202 of the locking piece 203 is rotatably coupled to the locking piece 203 to the frame 4 of the opening and closing link 204 and the luminaire 3 to open and close the locking groove 202. Clamp safety means (200) consisting of a fixing member 206 having a catching rod 205 that can be placed in; The cam lever 303 and the rod lever connecting plate 304 and the clasp 305 are fixedly installed on the frame 4 of the luminaire 3 by the cam 302 which rotates by rapid rotation of the light tower lifting guide roller 301. The operation of the stopper 306, the down-hanging teeth 307 of the stopper 306 is engaged with the ratchet gear 308 to stop the movement of the slide plate 309 by stopping the rotation of the light tower lifting guide roller 301 to the 4 of the light tower (2) It provides a safety device for a luminaire lifting light tower that includes a safety brake safety means 300 to tighten the edge of the rim to prevent the descent of the luminaire.

Luminaires, light towers, safety devices, light towers, light towers.

Description

A safety device of up and down type lighting top with a lighting}

The present invention relates to a safety device for a lighting tower provided with a luminaire which is lifted up and down by a wire rope and / or chain, and more particularly, when the winding drum winding the wire rope and / or chain winding up and down the luminaire By braking the winding drum (in case of sudden fall of the luminaire), it prevents the reverse rotation and prevents the sudden fall of the luminaire.The luminaire is securely fixed to the ceiling room installed at the top of the light tower and can be easily lowered by It is designed to stably manage the heavy weight of the lamp and to generate the friction braking force on the outer circumference of the pole in case of the light tower's dive to prevent the danger caused by the descent of the light tower. To prevent the fall and fall sharply by a variety of safety means are provided The present invention relates to a safety device for a luminaire lifting light tower that can prevent safety accidents.

In general, the light tower is built to have a certain height to illuminate the surrounding area, for example to illuminate a wide range, such as ports, airports, railway stations, highway interchanges and various sports grounds.

The lighting tower is fixed to the top of a high lighting tower with several lighting lights attached to the lighting fixture, and then has to be lowered when repairing and repairing the lighting fixture. It is very important to have a safety means that can be easily maintained and then lowered, and can prevent a sudden drop (fall).

As described above, a number of safety devices that are guided along the lighting tower to prevent the fall of the luminaire that has been raised and lowered have been proposed due to the present cause.

As a safety device proposed by the cause as described above, there is a Korean Utility Model No. 20-252537 (name: lighting tower and a lifting device for lifting the luminaire lifting light), the light tower of the Korea Utility Model No. 20-252537 And a luminaire lifting and winding drum safety device for lighting towers and luminaires for the purpose of providing a reliable safety device that completely prevents as described in the publication; It is provided on a support shaft supporting the winding drum at one side of the winding drum, and is fixed to one side flange of the winding drum, and has a cam having a predetermined inclined surface on one side and an inclined surface corresponding to the inclined surface of the cam on one side and the other side. Composed of a clutch plate provided with a plurality of gear-shaped projections are spaced apart from each other by the clutch and the springs provided on the support shaft and the springs provided on the rotating inclined surface so as to be engaged with the projections of the clutch plate on one side. And a conventional brake means having a gear-shaped protrusion formed thereon and a brake disc wheel whose rotation is braked by the stator.

In addition, the safety device proposed by this cause is Korea Utility Model No. 20-311435 (name: safety clasp device of the light tower), the safety clasp device of the light tower of Korea Utility Model No. 20-311435 Attached to the top plate of the light tower body, as described in the publication, attach the latch with the guide ring lifted up and down, and the latch is opened on both sides of the ceiling chamber installed on the top of the pole, Is suspended from the ceiling when the light tower is hooked up to the ceiling, and the latch caught in the socket is easily fixed by the guide ring. Light tower with attaching resilient sockets on both sides of the bottom of the plate By attaching a brace fitted to the lifting ring is guided by the upper surface of the plate body at a position that is consistent with the socket latch is inserted into the socket takes towers is hanging from the ceiling of the room latching latch has been configured by the guide ring pulrige.

The safety device proposed by this cause includes Korean Patent Application No. 10-2007-101781 (name: safety brake device of a lifting light tower), and the lifting type of Korean Patent Application No. 10-2007-101781. Safety brake device of the light tower is a lifting light tower for lifting the electric pole hanging on the lifting wire as described in the specification; The cam brake and the rod lever connecting plate and the latch are operated by the cam which rotates the safety brake device fixed to the light tower frame by the rapid rotation of the light tower lifting guide roller, and the downward latching teeth of the stopper are engaged with the ratchet gear. By stopping the movement of the light tower lift guide roller by stopping the rotation of the light tower, it prevents the descent of the light tower by preventing the descent of the light tower, so that the danger that can be caused by the descent of the heavy light tower during cutting of the lifting wire is most reliably prevented. have.

However, the above-mentioned proposals proposed by the above causes are applied independently to prevent the fall of the luminaire of the lighting tower, but have an effect of being safely used, but since they are individually applied, the safety device may have a defect. In case of fatal accidents, there was a problem of enormous damage.

The present invention has been invented to solve the above conventional problems, the object of the present invention is a sudden reverse rotation of the winding drum winding the wire rope and / or chain to raise and lower the luminaire (when the luminaire suddenly descends) It is possible to prevent sudden fall of the luminaire by braking the winding drum to prevent reverse rotation, and to make the luminaire securely fixed to the ceiling room installed at the top of the light tower and to be easily lowered to stabilize the heavy luminaire. It is designed to be managed and maintained, and it is possible to generate frictional braking force on the outer circumferential surface of the pole in the event of a sudden dive of the light tower to prevent the danger of the descent of the light tower. Safety measures can be prevented from falling and falling sharply to prevent safety accidents. To provide a safety device for the locked luminaire lifting tower.

Safety device of the luminaire lifting light tower of the present invention for achieving the object of the present invention as described above to form a stabilizer is installed in the luminaire which is installed to move up and down while guiding the light tower;

A wire rope and / or chain is wound to lift and lower the luminaire, and the motor and the motor rotate to receive power to rotate and support the winding drum on one side of the winding drum to wind or unwind the wire rope and / or the chain. It is provided on the support shaft, is fixed to one side flange of the winding drum and has a predetermined inclined surface on the side and one side has a slope corresponding to each other and the inclined surface of the cam and a clutch plate provided with a plurality of gear-shaped protrusions on the other side It is configured to be spaced apart from each other with the clutch by a spring provided in the clutch and the support shaft to be rotated on the inclined surface rotated on one side is formed with a gear-shaped protrusion to be engaged with the projection of the clutch plate to each other and to the stator Winding drum safety means comprising a brake disc wheel, the rotation of which is braked;

It is rotatably fixed in a vertical state to a bracket fixed to the bottom plate of the ceiling of the ceiling chamber integrally fixed to the top of the light tower and pivotally coupled to the locking piece and the locking piece provided with a locking groove to open and close the locking groove. Latch safety means consisting of a fixing member having a locking rod that can be placed in the locking groove of the locking piece in the frame of the opening and closing link and the luminaire;

It is fixed to the frame of the luminaire and the cam lever, the rod lever connecting plate and the clasp are operated by the cam rotated by the rapid rotation of the light tower lifting guide roller, so that the stopper teeth of the stopper are engaged with the ratchet gear to prevent the slide plate from moving. It is characterized in that it comprises a safety brake safety means to prevent the descent of the luminaire by tightening the four-way corner of the lighting tower to stop the rotation of the light tower lifting guide roller.

The safety device of the luminaire elevating light tower of the present invention made as described above brakes the take-up drum during rapid reverse rotation (when the luminescent device descends) of the winding rope for winding the wire rope and / or the chain up and down the luminaire. It prevents the falling of the luminaire by preventing the rotation, and the luminaire is securely fixed to the ceiling room installed at the top of the light tower and configured to be easily lowered, so that the heavy luminaire can be stably managed and maintained. It is possible to generate frictional braking force on the outer circumference of the pole in case of the light tower's descent, so as to prevent the danger of sudden descent of the light tower, and to descend rapidly by various safety measures provided with a large number of luminaires installed in the light tower. It prevents falling and prevents accidents.

Hereinafter, with reference to the accompanying drawings will be described in detail the safety device of the luminaire lifting light tower according to a preferred embodiment of the present invention.

1 to 11 is a view showing a safety device of the luminaire lifting light tower according to an embodiment according to the present invention, the safety device 1 of the luminaire lifting light tower of the present embodiment is lowered while guiding the light tower (2) In forming a stabilizer installed in the luminaire 3 which is installed to;

The wire rope 5 and / or the chain 6 are wound up and down to raise and lower the luminaire 3, rotate with the power received from the motor 101 and the motor 101, and the wire rope 5 and //. Or it is provided on the support shaft 103 for supporting the winding drum 102 on one side of the winding drum 102 for winding or unwinding the chain 6, fixed to one side flange 104 of the winding drum 102 Cam 105 having a constant inclined surface on the side and the inclined surface corresponding to each other and the inclined surface of the cam 105 on one side, the other side is composed of a clutch plate 107 provided with a plurality of gear-like protrusions 106 It is spaced apart from each other with the clutch 108 by a spring 109 provided on the clutch 108 and the support shaft 103 to be rotated on a rotating inclined surface, and the projection 106 of the clutch plate 107 on each side A gear-shaped protrusion 110 is formed to be engaged with the corresponding stator 111 By the take-up drum has a safety means 100 consisting of a disc brake wheel 112 that rotate the brake.

In addition, the locking piece 203 is rotatably fixed in a vertical state to the bracket 201 fixed to the bottom of the bottom plate of the ceiling chamber 7 integrally fixed to the top of the light tower (2) and the locking groove 202 is provided; The locking groove 203 of the locking piece 203 is rotatably coupled to the locking piece 203 to the frame 4 of the opening and closing link 204 and the luminaire 3 to open and close the locking groove 202. It further has a latch safety means 200 made of a fixing member 206 having a locking rod 205 that can be placed in the 202.

The cam lever 303 and the rod lever connecting plate 304 and the clasp 305 are fixedly installed on the frame 4 of the luminaire 3 by the cam 302 which rotates due to the rapid rotation of the light tower lifting guide roller 301. The stopper 306 is engaged with the ratchet gear 308 to stop the movement of the slide plate 309 to stop the rotation of the light tower lifting guide roller 301 to stop the rotation of the light tower 2. It has a safety brake safety means 300 to tighten the four corners to prevent the descent of the luminaire.

Safety device 1 of the luminaire lifting type lighting tower of the present embodiment made as described above is the winding drum 102 when the luminaire 3 is lowered for the maintenance and repair of the luminaire 3 by the winding drum safety means 100 described above. At the time of reverse rotation, the clutch plate 107 is brought into close contact with the cam 105 by a spring 109 provided between the brake disc wheel 112 and the clutch plate 107. ) Is reversely rotated to safely lower the luminaire (3).

This is because the cam 105 and the clutch plate 107 are kept in engagement with each other without being spaced apart from each other because the reverse rotation speed of the winding drum 102 runs at a low speed. However, in an emergency such as short circuit of the power transmission member, the winding drum 102 on which the wire rope 6 and / or the chain 7 is wound by the weight of the luminaire 3 rapidly receives a large load and reversely rotates at high speed. In this case, since the cam 105 does not rotate while holding the clutch plate 107, the cam 105 rotates at a faster speed and load than the clutch plate 107, so that the inclined surface of the cam 105 springs the inclined surface of the clutch plate 107. The cam 105 and the clutch plate 107 are rotated together while being pushed outward while enduring the load of the 109.

At this time, the protrusion 106 of the cam 105 and the clutch plate 107 that is pushed outward is engaged with the protrusion 110 of the brake disc wheel 112 provided on the side, and the brake disc wheel 112 is also coupled with the clutch 108. The rotation is engaged and the rotation is stopped by the stator 111 is stopped.

Accordingly, the clutch 108 engaged with the brake disc wheel 112 stops rotating, and the winding drum 102 on which the clutch 108 is fixed also stops rotating, so that the wire rope 3 and / or the chain 4 Is not released because the fall luminaire (3) is to stop the fall to prevent safety accidents.

In addition, the safety device (1) of the luminaire lifting light tower of the present embodiment is to be fixed to the lower part of the ceiling chamber (7) provided on the upper end of the lighting tower (2) by the latch safety means (200). When necessary, the lamp 3 is detached from the upper end of the light tower 2 so as to be lowered to the lower part, and the catching rod 205 provided in the lamp 3 is a catching recess 202 of the catching piece 203. It is fixed to the hook is blocked by the opening and closing link 204 so as not to be separated out.

As described above, in order to lower the luminaire fixed to the ceiling chamber 7 of the upper end of the light tower 2, first, the locking bar 205 of the fixing member 206 is the locking groove 202 of the locking piece 203. It should be separated from, and for this purpose, by slightly lifting the luminaire 3, the catching rod 205 pushes the opening / closing link 204 to rotate to the upper portion of the catching recess 202 and the catching rod 205. The opening and closing link 204 is raised so that the opening and closing link 204 is located in the lower portion of the locking rod 205 is completely lowered from the locking groove 202 and then lowering the locking rod 205 is the opening and closing link It is supposed to descend downward beyond 204.

In addition, the safety brake safety means 300 of the safety device 1 of the luminaire lifting type lighting tower of the present embodiment is lifted by the lighting tower when the luminaire 3 suspended from the wire rope 5 is lifted by the rotation of the winding drum 102. As the guide roller 301 is guided along the outer circumferential surface of the lighting tower 2 inclined up and down, the ascending and descending of the luminaire 3 is smooth or the cutting and breakage of the wire rope 5 and / or the chain 6 causes the luminaire ( As the 3) instantaneously descends, the light tower lifting guide roller 301 rotates sharply and rotates the clamp rotating plate 310, so that the latch 311 is caught by the lacquered gear 312 to rotate the cam 302. When the lower side descends along the cam surface, pushes the rod lever upper end toward the cam 302 and pushes the rod lever connecting plate 304 together to release the upward locking teeth of the latch 305 from the stopper 306 upward locking teeth 313. The downward engaging teeth 307 of the stopper 306 are ratchet gears 308. ) Is fixed so that there is no sliding of the slide plate 309 so that there is no rolling of the light tower lifting guide roller 301, the light tower lifting guide roller 301 is pressed against the outer circumferential surface of the light tower 2 to prevent the lowering of the luminaire 3. Therefore, it is possible to prevent the danger that may occur due to the sudden descent of the luminaire.

In the figure, reference numeral 5a denotes a wire rope lifting and pulling pulley.

1 is a front view showing a safety device of a luminaire lifting light tower according to an embodiment of the present invention.

2 and 3 are plan views showing the safety brake safety means.

4 to 7 is a schematic illustration showing the same state of action.

8 to 10 is an operation example showing the winding drum safety means.

11 is an exemplary state of use showing the latch safety means.

[Description of Signs for Important Parts of Drawing]

1: Safety device 2: Light tower

3: luminaire 4: frame

5: wire rope 6: chain

7: ceiling room 100: winding drum safety means

101: motor 102: winding drum

103: axis 104: flange

105: cam 106: projection

107: clutch plate 108: clutch

109: spring 110: projection

111: stator 112: brake disc wheel

200: latch safety means 201: bracket

202: hanging groove 203: hanging piece

204: opening and closing link 205: locking rod

206: fixing member 300: safety brake safety means

301: light tower lifting guide roller 302: cam

303: cam lever 304: rod lever connecting plate

305: clasp 306: stopper

307: Stopped teeth of the stopper 308: Ratchet gear

309: slide plate 310: claw rotating plate

311: Clamp 312: Lacquer Gear

313: Uptake teeth of stopper

Claims (1)

In forming the stabilizer is installed in the luminaire (3) which is installed to move up and down while guiding the light tower (2);  The winding drum 102 on which the wire rope 5 and / or the chain 6 are wound and rotated by receiving power from the motor 101 and lifting up and down the luminaire 3, and the winding drum 102 of the winding drum 102. A support shaft 103 provided at one side to support the winding drum 102, a cam 105 fixed to one side flange 104 of the winding drum 102, and having an inclined surface at a side thereof, and the cam at one side thereof; Clutch 108 having a slope corresponding to each other and the inclined surface of the 105 and provided on the other side of the clutch plate 107 is provided with a plurality of gear-like protrusions 106, and the clutch 108 to be spaced apart on the rotating inclined surface, and the support shaft ( A gear-shaped protrusion 110 is spaced apart from the clutch 108 by a spring 109 provided at 103 and is formed to be engaged with the protrusion 106 of the clutch plate 107 in correspondence with each other. And a brake disc wheel 112, the rotation of which is braked by the stator 111. Drum safety means (100) and; A locking piece 203 rotatably fixed in a vertical state to a bracket 201 fixed to a bottom plate of a ceiling room 7 fixedly installed on an upper end of the lighting tower 2 and provided with a locking groove 202; , The locking groove 203 of the locking piece 203 is rotatably coupled to the locking piece 203 to the frame 4 of the opening and closing link 204 and the luminaire 3 to open and close the locking groove 202. Latch safety means (200) consisting of a fixing member (206) having a locking rod (205) that can be placed in the 202; The cam lever 303 and the rod lever connecting plate 304 and the clasp 305 are fixed to the frame 4 of the luminaire 3 by the cam 302 which is rotated by the sudden rotation of the light tower lifting guide roller 301. The stopper 306 is engaged with the ratchet gear 308 to stop the movement of the slide plate 309 to stop the rotation of the light tower lifting guide roller 301 to stop the rotation of the light tower 2. Safety device for a luminaire lifting light tower, characterized in that it comprises a safety brake safety means 300 to tighten the four corners to prevent the descent of the luminaire.

Images