KR20100040648A - Lifting device of lighting lamp - Google Patents

Abstract

PURPOSE: A high place lamp elevating apparatus is provided to prevent the damage of a drive motor and falling of a lamp by preventing a wire from being wound to one side of a drum. CONSTITUTION: A main body(100) is fixed to a structure. The main body has the installation space. An elevated body(200) is connected to the wire(300) to the main body. A driving unit(400) is installed in one side of the installation space of the main body. A drum is installed between two drum plates. The wire is reeled in the drum. A sensing board(500) is installed between the two drum plate in order to touch a wire. A drive switch(600) is attached to the surface of inner wall of the drum plate in order to control the operation of the driving unit.

Description

Lifting device of lighting lamp

The present invention relates to an aerial light lifting device, and more particularly, to an aerial light lifting device equipped with a structure for preventing wire derailment.

In general, the hotel lobby and the ceiling of the factory, gymnasium, street lamps on the road aka luminescent lighting is installed, these luminescent lamps are mainly installed sodium bulb, mercury bulb. These aerial lights are limited to 5000 ~ 6000 hours of life and must be replaced periodically. The aerial lights installed in hotel lobby and wedding halls also need periodic cleaning.

Since the aerial lighting is installed on the ceiling of factories and gymnasiums, and the street lamps are located at a height of 7 to 10m, when cleaning and replacing the bulbs of the aerial lighting, a crane, ladder truck, or aerial platform for aerial work is required. Work is done. At least three people are required to perform these tasks, and disasters are caused by exposure to various heights such as electric shocks and falls of workers, resulting in physical and human and huge economic losses.

In order to solve the above problems, the worker does not go up to the place where the aerial lights are located, the aerial lights are lowered to the ground and maintained after the maintenance, and then lift and re-elevate the ceiling lights work methods and devices accordingly Has been developed.

As a device for lifting a height lamp, the one side of the wire is fixed to the lamp and the other side of the wire is wound on a pulley fixed on the ground. In addition, an automatic lifting device for aerial lighting, which has a stationary motor instead of a handlebar, has been developed.

Auto lift device for aerial lighting is fixed to the ceiling, etc., and has a predetermined installation space, connected to the main body by a single line wire, and a lifting body combined with a light at the bottom, installed in the installation space, drum unwinding and winding, wire unwinding And a driving means axially coupled to the drum to automatically elevate and elevate the elevating body by the winding operation, an upper terminal portion linearly connected to the power supply portion at the lower portion of the main body, and a lower terminal portion linearly connected to the upper terminal portion at the upper portion of the lifting body. It is composed by.

In addition, the installation space is provided with a plurality of guide rollers for the wire direction change on the center and side so that the wire is smoothly wound on the drum.

One side of the wire is fixed to the lower terminal portion, the other side is provided with a predetermined length on the drum laid at a predetermined position of the main body. The drive means is provided with a stationary motor to lift and lower the lifting body by automatically unwinding or winding the wire on the drum.

Automatic lifting device of the height lighting is configured as described above, the operator does not go up to the place where the height of the lighting, there is an advantage that can be fixed to the ceiling by raising and lowering again after the maintenance automatically lowered to the ground.

       However, the conventional aerial lighting lifting device has a disadvantage in that the wire is wound around one side of the drum.

       For this reason, there is a high possibility that the device is broken and an accident occurs, such as the wire is separated from the drum, the device is stopped, the drive motor is broken, the light falls due to the cutting of the wire.

The present invention has been proposed to solve the above problems, and prevents the wire from being wound unevenly on one side of the drum, and prevents the wire from being derailed by stopping the device when the wire is unevenly wound on one side of the drum. The object of the present invention is to provide a lift device for lighting.

The object, according to the present invention, is fixed to the structure and having a mounting space therein, the lifting body connected to the body and the wire, the drive means installed on one side of the installation space, the power is received from the drive means the wire An aerial lighting lifting device having a drum which is unwinded and wound and mounted between two drum board members;

A sensing plate member mounted between the two drum plate members to be in contact with the wire wound around the drum on which the wire is wound, and being pushed outwardly of the drum as the layer of the wire wound on the drum is increased;

Attached to the inner wall surface of the drum plate material, when the sensing plate material is pushed to the set position, it is achieved by including a drive switch that is pressed by the contact of the sensing plate material to stop the operation of the drive means.

Here, the first flow roller is mounted between the two drum plate material, the wire unwinded from the drum, and movable in the longitudinal direction of the drum;

A second flow roller wound around the wire passing through the first flow roller and movable in a longitudinal direction of the drum;

Preferably it further comprises a guide roller for redirecting the wire past the second flow roller toward the lifting body side.

Here, the sensing plate member is formed at one end of the fixed end, the other end is a free end;

It is preferable to be mounted between the two drum plate member is coupled to the plate engaging portion formed by the pin.

The height-lifting device according to the present invention has an advantage of preventing the wire from being unevenly wound on one side of the drum, and stopping the device in advance when the wire is unevenly wound on one side of the drum, thereby preventing wire derailment in advance.

In addition, there is an advantage of preventing the occurrence of damage and accident of the device in advance, such as the stop of the device caused by the derailment of the wire, breakage of the drive unit, falling of the lighting due to the cutting of the wire.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of the height-lifting device according to the present invention in detail.

1 is an exploded perspective view of a height-lifting device according to an embodiment of the present invention.

As shown in Figure 1, the height-lifting lifting device according to the present invention is fixed to the ceiling and the like, the lifting body connected to the main body 100, the main body 100 and a one-wire wire 300 having an installation space 110 therein ( 200, a drive means 400 installed on one side of the installation space 110, a wire 300 is unwound and wound by receiving power from the drive means 400, and a drum mounted between two drum plate materials 470 ( 450, the wire 300 is mounted between the two drum plate material 470 so as to contact the wire 300 wound on the drum 450 wound, so that the layer of the wire 300 wound on the drum 450 As it is attached to the sensing plate member 500, which is pushed outward of the drum 450, the inner side of the drum plate member 470, the sensing plate member 500 is pushed to the set position, the contact of the sensing plate member 500 It is pressed by the operation includes a drive switch 600 for stopping the operation of the drive means (400).

In addition, the first flow roller 420 movable in the longitudinal direction of the drum 450, the second flow roller 430, the guide roller 440 for redirecting the wire 300 to the lifting body 200 side is further added. Include.

The main body 100 is provided with a ring-shaped connecting body (not shown) to be fixed to a ceiling or the like in the upper center, and an installation space 110 of a predetermined size is formed therein so that each component can be installed.

One side of the installation space 110 is provided with a forward and reverse motor which is a driving source of the drive means 400, the drum 450 is axially coupled to the forward and reverse motor to receive power, the wire 300 of a predetermined length is wound.

The wire 300 is made of an insulator material having a sufficient thickness to withstand the load during the lifting of the lifting body 200. The length of the wire 300 has a length in consideration of the rising length that can be reconnected to the upper terminal portion 150 of the main body 100 fixed to the ceiling while having the descending length of the lifting body 200 which is easy to work on the ground. Have

The wire 300 is one side is wound on the drum 450 is wound and unwinded, the other side is coupled to the upper center portion of the lifting body 200. The wire 300 is connected on the drum 450 to vertically move the transfer line at the upper center portion of the lifting body 200 via the first flow roller 420, the second flow roller 430, and the guide roller 440. Achieve.

The first flow roller 420 is coupled to the rod between the two drum plate material 470, is fitted to the rod is installed to be movable in the longitudinal direction of the drum (450). The first flow roller 420 moves left and right in the longitudinal direction of the drum 450 and guides the wire 300 unwound from the drum 450 to be wound in an aligned state with the drum 450.

The second flow roller 430 is flow-installed on the other side of the installation space 110. The second flow roller 430 is wound around the wire 300 passing through the first flow roller 420, and moves left and right in the longitudinal direction of the drum 450 together with the first flow roller 420, the wire is drum Guide to be wound in the state aligned to (450).

The guide roller 440 is fixedly installed at the center of the installation space 110 so that the wire 300 wound on the drum 450 is changed in direction and is vertically transferred from the center of the main body 100 to the lifting body 200. To achieve this.

       When the wire 300 is connected only to the guide roller 440 and wound on the drum 450, the wire 300 may be biased and wound only on one side of the drum 450.

       The first flow roller 420 and the second flow roller 430 are not fixed to the installation space 110, but are installed to be movable so that the wire 300 can be wound on the drum 450 and evenly wound. Guide.

       Figure 2 is a side view showing the state of the main part of the height-lifting device of Figure 1;

       As shown in FIG. 2, one end of the sensing plate 500 is formed of a fixed end and the other end of the sensing plate 500, and one end of the sensing plate 500 is mounted between two drum plate members 470. .

        Plate coupling portion 550 is formed of a pin is sandwiched between the two drum plate member 470 is coupled.

       The plate coupling part 550 may be configured in another form in which one end of the sensing plate 500 is fixed between two drum plate materials 470 if the other end of the sensing plate 500 is liftable.

       The other end of the sensing plate 500 is in contact with the wire 300 wound on the drum 450 on which the wire 300 is wound. As the layer of the wire 300 wound on the drum 450 increases, the drum 450 increases. Pushed out).

       On the inner wall surface of the drum plate material 470 is mounted a drive switch 600 for stopping the operation of the drive means (400).

When the wire 300 is wound around the drum 450, the sensing plate 500 is not pushed to a portion where the driving switch 600 is mounted.

However, when the wire 300 is wound around one side of the drum 450, the sensing plate 500 is pushed to a portion where the drive switch 600 is mounted. The sensing plate 500 is in contact with the driving switch 600 and pushes, and stops the operation of the driving unit 920 to prevent the wire 300 from being separated from the drum 450.

Since the sensing plate 500 is formed in a wide surface of a plate shape and is in contact with the wire 300 wound on the drum 450 on which the wire 300 is wound, the wire 300 is biased to one side of the drum 450. It is easy to detect the winding.

The lower surface of the main body 100 is mounted to the upper terminal portion 150 that is connected to the power line (not shown) in a line.

The lower surface of the upper terminal portion 150 is provided with a guide portion 700 coupled in a cylindrical shape, and a plurality of upper contact terminals (not shown) of the protrusion shape.

The lower terminal part 250 is mounted on an upper portion of the lifting body 200, and a lamp is mounted on a lower portion of the lifting body 200.

The lower terminal part 250 is mounted on the upper surface of the lifting body 200 corresponding to the upper terminal part 150. Protruding portion 800 is coupled to the central portion of the lower terminal portion 250, and one end of the wire 300 is fixed.

The lower terminal part 250 is formed of two circular ring shapes and includes an inner source contact terminal 251 and an outer circle contact terminal 253. When the upper contact terminal (not shown) in the shape of the protrusion 810 is in contact with the source contact terminal 251 and the source contact terminal 253, respectively, the lamp (not shown) is electrically contacted.

Guide portion 700 is coupled to the center of the lower surface of the upper terminal portion 150. Guide portion 700 is provided in a cylindrical shape inclined end. The guide part 700 may be provided in a cylindrical shape.

       The protruding portion 800 is coupled to the upper surface of the lower terminal portion 250 and inserted into the guide portion 700 when raised, thereby guiding a contact position between the upper terminal portion 150 and the lower terminal portion 250. The protruding portion 800 does not rotate the lifting body 200, but moves horizontally to induce a smooth contact of a lamp (not shown).

The protrusion 800 is provided in a cylindrical shape smaller than the area of the guide part 700. The protrusion 800 has a protrusion 810 formed at a side thereof, and the protrusion 810 moves along the inclined surface of the guide part 700 to induce horizontal lifting of the lifting body 200.

The locking unit 900 is provided in the installation space 110 of the main body 100, and when the lower terminal unit 250 is raised to a set point, the locking unit 900 is fixed to the protrusion 800 by a switch operation.

The locking unit 900 is formed at one side of the locking plate 910 and the locking plate 910 to connect the driving unit 920 supporting the locking plate 910 and the other side of the locking plate 910 to the main body 100. It is composed of an elastic portion 930.

The locking plate 910 is provided in a rectangular shape, and a guide hole 911 provided in a groove shape is formed in the center portion.

The guide hole 911 is in the center of the circular guide hole 913 to be larger than the area of the locking projection 830, and the sideways communication with the guide hole 913, the locking projection 830 is not penetrated through the locking groove ( 820 is formed is provided with the engaging hole 915 is formed that can be inserted laterally.

The driving unit 920 is mounted to the main body 100 and moves the locking plate 910 laterally.

The elastic part 930 is provided as a spring 930 and is connected to one side of the main body 100 and the locking plate 910. When the external force applied to the locking plate 910 is released, the elastic unit 930 returns the locking plate 910 so that the locking protrusion 830 is positioned in the locking hole 915.

When the locking protrusion 830 of the protrusion 800 passes through the guide hole 913 of the locking plate 910, the switch of the driving unit 920 is turned off, and the locking protrusion 830 is caused by the restoring force of the spring 930. Moves to the locking hole 915. The locking protrusion 830 is caught by the locking hole 915 to firmly fix the lifting body 200 to the main body 100.

By such a configuration, looking at the process of operating the height-lifting apparatus according to the invention as follows.

Figure 3a, Figure 3b is a schematic diagram showing the operation of the main part of the height-lifting device of Figure 1 operates.

The wire 300 is connected on the drum 450 to vertically move the transfer line at the upper center portion of the lifting body 200 via the first flow roller 420, the second flow roller 430, and the guide roller 440. Achieve.

One side of the drum 450, the first flow roller 420, the second flow roller 430 is moved to the left and right, the wire 300 is turned in the guide roller 440 is wound to be aligned with the drum 450 Guide it.

As shown in FIG. 3A, the sensing plate 500 is in contact with the wire 300 wound on the drum 450 on which the wire 300 is wound, so that the wire 300 is biased only on one side of the drum 450. In this case, the sensing plate 500 is pushed out of the drum 450 to stop the driving means 400 by pressing the driving switch 600 mounted on the inner wall of the drum plate 470.

As shown in FIG. 3B, when the wire 300 is wound to be aligned with the drum 450, since the sensing plate 500 is not pushed to the surface on which the driving switch 600 is mounted, the driving means 400 is It is not stopped.

By this configuration, the aerial lighting lifting apparatus according to the present invention has the advantage that the wire 300 can be wound to be aligned to the drum 450.

In addition, when the wire 300 is wound around one side of the drum 450 unevenly, the device is stopped to prevent derailment of the wire 300 in advance.

In addition, there is an advantage of preventing the occurrence of damage and accident of the device in advance, such as the stop of the device caused by the derailment of the wire 300, the breakdown of the drive motor, the fall of the lighting due to the cutting of the wire 300.

4 is a partially exploded perspective view of the height-lifting apparatus according to the embodiment of the present invention.

The height-lifting device according to the present invention has a structure in which the direction of the wire 300 entering the drum 450 is reciprocated from side to side repeatedly so that the wire 300 is not concentrated only on one side of the drum 450. It can be configured as.

That is, the height-lifting device according to the present invention, the drum 450, one end of the wire 300 connected to the lifting body 200 is wound, and the drum 450 and the lifting body 200 of the wire 300 The first flow roller 420 and the second flow roller 430 are sequentially arranged so as to be seated therebetween and configured to reciprocate in the rotation axis direction of the drum 450 in a state where the wire 300 is seated. And, the portion between the second flow roller 430 and the lifting member 200 of the wire 300 is seated and the wire toward the lifting body 200 even if the second flow roller 430 is moved. It may be configured to include a guide roller 440 for maintaining a constant direction of the (300).

Therefore, one end of the wire 300 connected to the lifting body 200 passes through the guide roller 440, and then sequentially passes through the second flow roller 430 and the first flow roller 420, and then to the drum 450 It is cold.

At this time, the first flow roller 420 and the second flow roller 430, respectively, the first slide rod 422 and the second slide rod 432 having a length in the direction parallel to the axis of rotation of the drum 450, respectively Combined with the slidable structure, it is possible to evenly distribute the direction of the wire 300 entering the drum 450 to the left and right sides of the drum 450 while reciprocating in the direction parallel to the rotation axis of the drum 450. As described above, the first flow roller 420 and the second flow roller 430 move along the rotation axis direction of the drum 450 to change the entry direction of the wire 300. This will be described in detail with reference to 5c.

At this time, when the guide roller 440, the second flow roller 430 and the first flow roller 420 are sequentially arranged in a direction close to the drum 450, the wire past the guide roller 440 300 may not be more stably seated on the second flow roller 430 and the first flow roller 420. As such, when the wire 300 is not stably seated on the second flow roller 430 and the first flow roller 420, the wire 300 is the second flow roller 430 and the first flow roller ( Departing from 420, a fatal problem may arise that the wire 300 may become tangled.

Therefore, the second flow roller 430 is mounted at a point farther from the drum 450 than the guide roller 440, and the second flow roller 420 is more than the first flow roller 430. 450). When the rollers are arranged in this way, the wire 300 is seated on the second flow roller 430 and the first flow roller 420 with a greater force, so that the second flow roller 430 and the first flow roller 420. ), There is an advantage that the entry direction change operation of the wire 300 according to the movement of the second flow roller 430 and the first flow roller 420 can be made more stable. .

In addition, the first flow roller 420 to more reliably prevent the separation of the wire 300 seated on the first flow roller 420, the second flow roller 430 and the guide roller 440. ) And the separation prevention member 480 may be further provided at one side of the outer circumferential surface of the second flow roller 430 and the guide roller 440.

At this time, the first flow roller 420, the second flow roller 430 and the guide roller 440, respectively, the portion in which the wire 300 is seated is formed in a concave shape of the V groove, the separation preventing member 480 Is mounted to cover the recessed portion of the outer circumferential surface of each roller. Therefore, even if the wire 300 is moved out of the outer circumferential surface of each roller is caught by the separation preventing member 480 does not completely escape the outer circumferential surface of each roller.

In the present embodiment, only the case where the separation preventing member 480 is formed in a rod shape, but the separation preventing member 480 as long as it can prevent the separation of the wire 300 seated on each roller in this embodiment In addition to the rod shape shown may be changed to various shapes.

5A-5C are plan views of FIG. 4 showing the operation of changing the direction of the wires.

In the height-lifting device according to the present invention, the first flow roller 420 and the second flow roller 430 may include the first slide rod 422 and the second slide according to the position of the wire 300 wound on the drum 450. Slid along rod 432.

That is, when the wire 300 starts to be wound from the right side of the initial drum 450, the first flow roller 420 and the second flow roller 430 are positioned to the right as shown in FIG. 5A. When the drum 450 rotates in the state shown in FIG. 5A, the wire 300 is wound, and the wire 300 slides on the outer surface of the wire 300 already wound on the drum 450. As shown in 5b, a portion of the wire 300 wound around the drum 450 moves toward the left side of the drum 450. In this case, the first flow roller 420 and the second flow roller 430 on which the wire 300 is seated may move the first slide rod 422 and the second slide rod 432 according to the movement of the wire 300. Ride to the left.

As the winding of the wire 300 continues, as shown in FIG. 5C, when the portion of the wire 300 wound around the drum 450 is moved to the left side of the drum 450, the first flow roller 420 is moved. And the second flow roller 430 is also moved to the left.

If the position of the first flow roller 420 and the second flow roller 430 is fixed, the angle between the central axis of the drum 450 and the supply direction of the wire 300 is reduced, the wire 300 There is a fear that only one side of the drum 450 is intensively wound.

However, when the first flow roller 420 and the second flow roller 430 are configured to be slidable, as in the height-lifting device according to the present invention, the angle between the central axis of the drum 450 and the supply direction of the wire 300 is determined. Since the wire 300 can be secured as large as possible, the wire 300 can be evenly wound from the left side to the right side of the drum 450.

As mentioned above, although this invention was demonstrated in detail using the preferable embodiment, the scope of the present invention is not limited to a specific embodiment, Comprising: It should be interpreted by the attached Claim. In addition, those skilled in the art should understand that many modifications and variations are possible without departing from the scope of the present invention.

1 is an exploded perspective view of a height-lifting device according to an embodiment of the present invention.

Figure 2 is a side view showing the state of the main part of the height-lifting device of Figure 1;

Figures 3a and 3b is a schematic diagram showing the operation of the main part of the height-lifting device of Figure 1 operates.

4 is a partially exploded perspective view of the height-lifting apparatus according to the embodiment of the present invention.

5A-5C are plan views of FIG. 4 showing the operation of changing the direction of the wires.

<Description of the symbols for the main parts of the drawings>

100: main body 150: upper terminal portion

200: lifting body 250: lower terminal portion

300: wire 400: driving means

420: first flow roller 430: second flow roller

440: guide roller 450: drum

470: drum box 500: sensing plate

550: plate coupling part 600: drive switch

700: guide portion 800: protrusion

900: locking portion 910: locking plate

Claims (6)

The main body 100 fixed to the structure and having an installation space 110 therein, the lifting body 200 connected by the main body 100 and the wire 300, the drive means 400 installed on one side of the installation space 110 In the high and low light lifting device having a drum (450) mounted between the two drum plate member 470, the wire 300 is unwinded and wound by receiving power from the drive means (400); The wire 300 is mounted between the two drum plate material 470 so as to contact the wire 300 wound around the drum 450 on which the wire 300 is wound, and the wire 300 wound on the drum 450. The sensing plate 500 is pushed outwardly of the drum 450 as the layer of the increased; It is attached to the inner wall surface of the drum plate 470, when the sensing plate 500 is pushed to the set position, the pressing operation by the contact of the sensing plate 500 to stop the operation of the drive means 400 High and low elevation lighting device comprising a drive switch 600 The method of claim 1, A first flow roller 420 mounted between the two drum plate members 470 and wound around the wire 300 unwound from the drum 450 and movable in a longitudinal direction of the drum 450; A second flow roller 430 wound around the wire 300 passing through the first flow roller 420 and movable in a longitudinal direction of the drum 450; A height raising and lowering device further comprises a guide roller 440 for redirecting the wire 300 passing through the second flow roller 430 toward the lifting body 200. The method according to claim 1 or 2, The sensing plate 500 is one end is fixed end, the other end is formed as a free end; is coupled to the plate engaging portion 550 formed of a pin is mounted between the two drum plate material 470, characterized in that Lighting lift. A drum 450 on which one end of the wire 300 connected to the lifting body 200 is wound; The wire 300 is sequentially arranged so that the portion between the drum 450 and the lifting body 200 is seated, and is capable of reciprocating in the rotation axis direction of the drum 450 in a state where the wire 300 is seated. A first flow roller 420 and a second flow roller 430 configured to; The portion of the wire 300 between the second flow roller 430 and the lifting body 200 is seated, so that the wire facing the lifting body 200 even if the second flow roller 430 moves. A guide roller 440 which maintains a constant direction of the 300; A lighting lift device comprising a The method of claim 4, wherein The second flow roller 430 is mounted to a point farther from the drum 450 than the guide roller 440, the second flow roller 420 is the drum 450 than the first flow roller 430 Height lighting device, characterized in that mounted on the point close to The method according to claim 4 or 5, Located on one outer circumferential surface of the first flow roller 420, the second flow roller 430, and the guide roller 440, the first flow roller 420, the second flow roller 430, and the guide roller 440. A height-lifting device, characterized in that it further comprises a departure prevention member 480 for preventing the separation of the wire 300 seated on the)

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