KR101980157B1 - Safe lifting and lowering device for stage equipment - Google Patents

Abstract

Disclosed is a safety lifting device for a stage facility, which prevents separation and guidance induction of a wire rope. According to the present invention, the safety lifting device for a stage facility includes: a grid iron including multiple vertical pulleys; a stage device batten to which a stage illumination device and a curtain are connected; and a driving unit comprising a driving motor and a winding drum. The driving motor generates a rotation force necessary for a vertical movement of the stage device batten. The winding drum winds or unwinds the wire rope (L) by being connected to the driving motor by rotating. The vertical pulley comprises: a case; a wire rope separation preventing roller for a pulley, installed in the case; and a pulley rotor winding or rewinding the wire rope by being installed in the case. The wire rope separation preventing roller safely winds or rewinds the wire rope so that the stage device batten can safely ascend and descend.

Description

TECHNICAL FIELD [0001] The present invention relates to a safety lifting and lowering device for a stage facility,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a safety raising and lowering apparatus for a stage facility, and more particularly, to a stage raising and lowering apparatus for raising and lowering a wire rope by a winding drum and a vertical pulley, It is possible to prevent safety accidents that damage the equipment due to the deviation of the wire rope by installing the safety raising and lowering device for the stage facility to prevent the departure of the wire rope. To a safety elevating device for a stage facility.

Generally, there are various lighting devices that illuminate the stage on the stage, as well as an effect mechanism that produces effects necessary for the contents of the performance, and a film elevator that divides the stage into auditoriums and variable curtains.

These devices are usually installed on the elevating stage facility as a reason for management, maintenance and performance, so that they can be elevated up and down.

FIG. 1 is a schematic diagram showing a state of a conventional lifting-type stage facility.

Referring to the drawings, a conventional stage facility is a facility for lifting and moving the installation frame 30, and a horizontal wall or a grid iron 10 is hanger-connected to form a predetermined space in the ceiling W .

Here, the grid iron 10 is provided with a plurality of vertical pulleys 12 having guide sprockets 11 having a hinge structure on the upper part thereof, and a guide wheel 21 is hinged to one end of the vertical pulleys 12 The guide pulley 20 is installed.

At this time, the number of guide wheels 21 is the same as the number of pulleys 12, and each pulley 12 is installed so as to have a different positional relationship when viewed in a plan view.

On the floor of the stage, a drive unit 40 for driving the elevating-type stage facility for raising and lowering an apparatus such as a lamp or a film for variably compartmenting a stage and an audience seat is installed.

At this time, the driving unit 40 is provided with a driving motor 41 for generating a rotating force, a speed reducer 42 for reducing the speed of rotation, and a winding drum 43 for receiving the rotating force of the reduced driving motor 41 to rotate .

Thus, on the outer peripheral surface of the winding drum 43, a drum groove for winding the wire rope L is formed.

A plurality of wire ropes L are connected to the stage apparatus barb 30 and each wire rope L is connected to each guide sprocket 11 of the pulley 12 and each guide wheel 21 of the guide pulley 20 To the winding drum 43 of the driving unit 40. [0060]

As a result, when the wire rope L is wound around the winding drum 43 by the rotational force of the drive motor 41, the stage rope L is pulled to raise the stage apparatus bar 30, When the wire rope L is recommended, the stage apparatus bar 30 is lowered.

However, in the conventional stage facility, there is a problem that the stage facility falls to the stage due to the damage of the equipment due to the detachment and damage of the wire rope during the ascending or descending operation of the heavy stage equipment, resulting in a lot of human casualties.

Further, there is a problem that the wire rope is detached in the process of winding the wire rope on the pulley and the winding drum, causing damage and noise of the stage facility.

That is, when a plurality of wire ropes connected to the guide wheel are wound around the winding drum, if the wire winding is not accurately performed with respect to the guide wheel, tilting and departing of the stage facility due to wire rope deviation may cause interference with other facilities And the like.

In addition, the stage device baron 30 is connected to a plurality of wire ropes L so as to maintain a horizontal position. However, since the length between the wire ropes is varied for a long time, (L), the length is very inconvenient.

The stage device baron 30 is fixed to the pulley installed on the upper portion of the pulley by tension of the wire rope L and may be shaken or fall off even if there is a small change in the external environment.

KR Patent Registration No. 10-1325149 (Oct. 29, 2013)

SUMMARY OF THE INVENTION It is an object of the present invention to provide a safety raising and lowering device for a stage facility that prevents wire rope guide induction and departure with a wire tension adjusting device on a stage device bar.

It is another object of the present invention to provide a safety raising and lowering device for a stage facility, which prevents induction and departure of a wire rope guide provided with a wire rope departure preventing roller for a running car on a vertical pulley.

It is another object of the present invention to provide a safety raising and lowering device for a stage facility which prevents induction and departure of a wire rope guide having a driving wire rope tension roller on a stage device driving part.

A grid iron 10 fixed to a ceiling W of the present invention and provided with a plurality of vertical pulleys 20 having a pulley rotation body 240 on an upper surface thereof, The stage device baron 30 connected to the stage lighting device and the membrane by means of the wire rope L connected via the pulley rotation body 240 at the lower side of the stage device button 240, A driving motor 440 installed above the grid iron 10 to generate a driving force and generating a driving force and a driving motor 440 rotatingly connected to the driving motor 440 to wind or wind the wire rope L. [ And a drum (430), wherein the vertical pulley includes a case, a wire rope separation preventing roller for a live wire installed inside the case, A control wire rope can be achieved by the configuration to include the entire pulley once the winding or rewinding.

The driving unit includes a wide drum cover disposed above the grid iron 10, a driving motor provided at one side of the wide drum cover, a driving motor provided inside the wide drum cover, A wire wound around the winding drum to adjust the height of the wire rope supplied to the winding drum in accordance with the height of the wire rope wound or unwound on the winding drum in accordance with the winding or rewinding of the winding drum, And may include a rope tension roller.

Wherein the tension roller has a hollow rectangular parallelepiped shape and has a guide hole formed in a rectangular shape on left and right sides in the height direction, a spring inserted into the bracket and having one side fixed to the lower portion of the bracket, And a rotating roller which is installed on the upper portion of the main body so that both of the protruded shafts are inserted into the left and right guide holes, and the rotating roller presses or releases the spring so that both axes of the rotating roller move up and down along the guide hole It works.

Therefore, according to the safety raising and lowering apparatus for a stage facility which prevents induction and departure of the wire rope guide according to the present invention, since the wire tension adjusting device is provided in the stage apparatus bar, the tension can be adjusted while observing the horizontal state of the bar It is easy, convenient and safe to control the tension of the wire.

In addition, according to the safety raising and lowering device for a stage facility which prevents induction and departure of the wire rope guide of the present invention, the wire rope departure prevention roller can safely wind or rewind the wire rope wound on the vertical pulley, It is possible to safely and securely move up and down.

In addition, according to the safety raising and lowering apparatus for a stage facility which prevents induction and departure of the wire rope guide according to the present invention, a protective case is provided on the vertical pulley so that it is possible to protect against danger due to driving of the rollers.

According to the safety raising and lowering apparatus for a stage facility according to the present invention, the driving unit wire rope tensioning roller is provided in the stage apparatus driving unit, There is an effect to make.

FIG. 1 is a schematic view showing a state of a conventional lifting-type stage facility,
FIG. 2 is a configuration diagram of a safety raising and lowering apparatus for a stage facility according to an embodiment of the present invention,
3 is a detailed block diagram of a vertical pulley according to an embodiment of the present invention,
4 is a detailed configuration diagram of a tension adjusting device according to an embodiment of the present invention,
5 is a view illustrating an example of the combination of a vertical pulley and a stage device baron according to an embodiment of the present invention,
6 is a detailed configuration diagram of a stage device driving unit according to an embodiment of the present invention,
And
7 is a detailed configuration diagram of a wire rope tension part of a stage device driving part according to an embodiment of the present invention.

It is to be understood that the words or words used in the present specification and claims are not to be construed in a conventional or dictionary sense and that the inventor can properly define the concept of a term in order to describe its invention in the best possible way And should be construed in light of the meanings and concepts consistent with the technical idea of the present invention.

Throughout the specification, when an element is referred to as " comprising ", it means that it can include other elements as well, without excluding other elements unless specifically stated otherwise. It should be noted that the terms such as " part, " " module, " .

It is to be understood that the term " and / or " throughout the specification includes all possible combinations from one or more related items. For example, the meaning of " first item, second item and / or third item " may be presented from two or more of the first, second or third items as well as the first, second or third item It means a combination of all the items that can be.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

FIG. 2 is a block diagram of a safety raising and lowering apparatus for a stage facility to prevent induction and departure of a wire rope guide according to an embodiment of the present invention. As shown in FIG. 2, the safety raising apparatus for a stage facility includes a ceiling W A plurality of vertical pulleys 20 having a grid iron 10 installed and fixed on the upper surface of the gridiron 10 and a pulley rotation body 240 installed on the upper surface of the gridiron 10, A stage device baron 30 installed so as to be movable upward and downward by a wire rope L connected thereto via a connecting rod 20 and connected to the stage lighting device and the film and a driving device for providing power necessary for raising and lowering the stage device button 30, (40).

The vertical pulley 20 is installed on the upper surface of the grid iron 10 so that the stage device baron 30 can be safely guided so as to be raised and lowered by the wire rope L by driving the driving part 40, So that the bar (30) can be fixed without shaking.

To this end, the lifting / lowering rollers 230 are provided to prevent the wire rope L from being detached from the vertical pulley 20.

3, the vertical pulley 20 includes a case 250, a pulley 25 installed inside the case 250 for guiding the wire rope L, A wire rope departure prevention roller 230 for sliding movement is installed inside the case 250 so as to guide the wire rope L securely to the rotating body 240 and the pulley rotation body 240.

The pulley rotation body 240 is constituted by a roller having a groove at the center of the normal, and a wire rope L inserted in the groove and moving left and right by the rotation of the driving portion 40 is moved up and down And the moving wire rope departure prevention roller 230 is supported by the pulley rotation body 240 so that the moving wire rope L moves to the pulley shaft So that it does not separate from the entire body 240.

The separation preventing roller 240 is positioned to face the pulley rotation body 240 and the wire rope L is inserted between the separation preventing roller 240 and the pulley rotation body 240, And the anti-departure roller 240 performs a function of guiding the wire rope L to be always vertically guided to the pulley rotation body 240.

The vertical pulley 20 may include at least one support bracket 220 coupled to a lower portion of the case 250 to securely support the vertical pulley 20 to be supported on the grid irons 10.

Therefore, if the grid irons are formed in a plate shape, it is of course necessary to form holes through which the wire rope L is passed in the vicinity of the support bracket 220 supporting the vertical pulleys 20.

The stage device baron 30 is connected to two or more wire ropes L which are lifted and lowered by a driving part 40 to raise and lower a stage lighting device and a membrane. The stage device baron 30 is used for a long time, Further, due to the applied load, the tension of the wire rope L is changed, and the horizontal can not be maintained.

In addition, the stage device baron 30 is fixed to a ceiling when it is not used. However, conventionally, the stage device baron 30 is kept fixed by the tension of the wire rope L, There is a possibility that it may shake or fall.

To this end, the stage device baron 30 of the present invention is provided with the number of the vertical pulleys 20 by coupling the tension device 310 for controlling the tension of the wire rope L in the longitudinal direction of the stage device baron.

FIG. 4 is a detailed configuration diagram of a tension control device according to an embodiment of the present invention, and FIG. 5 is a view illustrating an example of coupling of a vertical pulley and a stage device baron according to an embodiment of the present invention.

The stage device bar tang 30 of the present invention includes a tension adjusting device 310 that adjusts the tension of the wire rope L to one side of the stage device bar tang 30, So as to adjust the tension of the wire rope connected to each vertical pulley 20.

Referring to FIG. 4, the tension adjusting device 310 is coupled to the stage device baron 30 by a coupling member 317.

The case 318 of the tension adjusting device 310 may be directly coupled to the stage device baron 30 or may be firmly coupled using a coupling member Of course.

The tension adjusting device 310 includes a turn roller 311 provided at one side of the stage device baron 30 to guide the wire rope L and change the tension direction of the wire rope, A wire rope provided at one side of the stage device baron 30 and having passed through the turn roller 311 is fixed at one end and an adjusting screw groove (not shown) is provided at the other end, And a fixed case 314 into which a rotary pipe 315 is inserted so that a thread provided on one side of the inner peripheral surface of the rotary pipe 315 is screwed with a thread formed on the outer peripheral surface of the rotary pipe 315, The wire rope is moved to the left and right by the rotation of the wire rope 315.

The wire rope that has passed through the binder 312 is coupled to one end of the rotary pipe 315 and the rotary pipe 315 is screwed into the fixed case 314 fixed to one side of the stage device baron 30 The length of the wire rope is finally adjusted.

The wire rope passing through the turn roller 311 in the vertical pulley 20 is passed through the coupling ring 313 provided at one end of the rotary pipe 315 to form a ring and use one or more binders 312 So that the wire rope is unbonded.

5, when the stage device baron 30 is not used, the vertical device 20 is driven to raise the stage device bar 30 so as to be coupled to the vertical pulley 20 and stored.

The drive unit 40 is provided above the gridiron 10 and includes a drive motor 440 for generating a rotational force and a drive motor 440 for rotating the wire drum L, And a driving unit 40 composed of a driving unit 430 and a driving motor 41 installed at a side of the driving unit 40.

That is, the driving unit 40 operates to move up and down the stage device bar 30 by winding or rewinding the wire rope L, and is provided above the gridiron 10, And a winding drum 430 for winding or winding the wire rope L connected to the driving motor 440. The wire rope L is wound or rewound on the winding drum 430, And a wire rope tension roller 410 that automatically adjusts the height of the winding rollers 410 to allow the rollers 410 to be wound on the winding drum more easily.

8, the driving unit 40 includes a wide drum cover 420 installed above the grid iron 10, a wide drum cover 420, A winding drum 430 installed inside the wide drum cover 420 to rotate or connect to the driving motor 440 to wind or unwind the wire rope L, The wire rope tension roller 410 adjusts the height of the wire rope L supplied to the winding drum according to the height of the wire rope L wound or unwound by the winding drum in accordance with the winding or rewinding of the drum 430, Are illustrated.

The position of the wire rope L supplied from the pulley rotation body 240 of the vertical pulley 20 varies depending on the amount of the wire rope L wound or rewound on the winding drum 430.

That is, referring to FIG. 8, the wire rope L is differentiated depending on the amount of the wire rope L wound or rewound on the winding drum 430 by the height of "x".

This difference will be influenced by the weight of the lighting apparatus or the film coupled to the stage apparatus baron 30, but a considerable load is applied to the wire rope L. Eventually, the load is applied to the winding drum 430, A load is applied to the driving motor 440 for driving the driving motor 430.

At this time, if the rope wrapped by the angle " x " has an inclination angle, much more load is applied to the drive motor 440 and the life of the drive motor 440 is shortened. The risk of dropping is further increased.

Therefore, in the present invention, the wire rope tension roller 410 is installed to guide the wire rope L wound or rewound on the vertical pulley 20 to be wound on the winding drum 430 in a stable manner.

Specifically, the tension roller 410 causes the tension roller 410 to move upward and downward by the tension of the wire rope, and the wire rope that has been moved up and down by the tension roller 410 is wound almost horizontally on the winding drum 430 .

9, the tension roller 410 has a hollow columnar shape, and guide holes 414 are formed on left and right sides in the height direction, A spring 413 inserted into the bracket 411 and fixed at one side to the lower portion of the bracket 411 and installed in the upper portion of the spring 413 inside the bracket 411 And a rotating roller 412 which is inserted into the left and right guide holes 414 so that the protruded axles 416 are inserted into the left and right guide holes 414 so that the two axes 416 are not separated from each other by bolts 415 from the outside, The rotary shaft 412 presses or releases the spring 413 so that the two shafts 415 of the rotary roller 412 move up and down along the guide hole 414.

The bracket 411 is formed in a hollow columnar shape, preferably a rectangular parallelepiped shape, and the shaft of the rotary roller is inserted into the guide hole 414 formed on the right and left sides in the height direction so as to flow upward and downward.

Further, the rotating roller 412 has a groove 412a at the center like a normal roller, and is configured to be inserted with a wire rope and rotated by rotation of the outer ear rope.

9A, when the spring 413 is restored (that is, not in the stretched or compressed state), the rotating roller 412 is positioned thereon, and the wire rope L is moved along the groove So that it is prevented from being detached, and the tension is maintained at the same time

That is, the tension roller 410 moves up and down in accordance with the tension of the wire rope L between the height x from x1 to x2 so as to prevent the wire rope L from being released, will be.

9B, there is a plurality of grooves 412a in the rotating roller 412, the wire ropes of the vertical pulleys 20 are inserted into the grooves 412a, .

In the drawing, five grooves 412a are provided on the rotating roller 412, which is the case where the number of the vertical pulleys 20 is five, and the grooves 412a should be equal to or at least as large as the number of the vertical pulleys 20.

In this embodiment, a plurality of grooves are formed on one rotating roller, but it is needless to say that the number of the rotating rollers having one groove may be the same as the number of the vertical rollers.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art.

10: Grid Iron 20: Vertical Pulley
240: pulley rotation body
W: Ceiling L: Wire rope
30: stage device button 40:
410: tension roller 430: winding drum
440: drive motor

Claims (5)

A grid iron 10 fixed to the ceiling W and provided with a plurality of vertical pulleys 20 having a pulley rotation body 240 on an upper surface thereof; A stage device baron 30 connected to the stage lighting device and the film to be movable up and down by a wire rope L connected to the stage baron 30 via the wire rope L, A driving unit 404 which is installed above the driving motor 440 and includes a driving motor 440 for generating a rotating force and a winding drum 430 which is rotatably connected to the driving motor 440 for winding or winding the wire rope L, The safety up and down apparatus for a stage facility according to claim 1,
The vertical pulley
case;
A wire rope departure preventing roller for live use installed inside the case;
A pulley wheel installed inside the case for winding or rewinding the wire rope;
Lt; / RTI >
The stage device bar (30)
A tension adjusting device for adjusting the tension of the wire rope L is provided on one side of the stage device baron in the longitudinal direction by the number of vertical pulleys,
The tension adjusting device
A turn roller 311 provided at one side of the stage device baron 30 for guiding the wire rope L and changing the tension direction of the wire rope;
One or more binders (312) for binding the wire rope passing through the turn rollers;
A rotary pipe (315) provided at one side of the stage device baron and having a wire rope passed through the turn roller at one end and formed with a thread on the outer peripheral surface thereof,
A fixed case (314) in which the rotary pipe is inserted so that a thread provided on one side of the inner peripheral surface is threadedly engaged with a thread formed on the outer peripheral surface of the rotary pipe;
Lt; / RTI >
Wherein the wire rope guide is guided and separated from the wire rope by a rotation of the rotary pipe.
delete delete The method according to claim 1,
The driving unit
A wide drum cover provided above the grid iron;
A driving motor 440 provided at one side of the wide drum cover;
A winding drum 430 installed inside the wide drum cover and connected to the driving motor 440 to rotate or wind the wire rope L;
A wire rope tension roller for adjusting and supplying a height of a wire rope supplied to the winding drum according to a height of a wire rope wound or unwound on a winding drum in accordance with winding or rewinding of the winding drum;
And a safety hoisting and lowering device for a stage facility that prevents induction and departure of the wire rope guide.
The method of claim 4,
The wire rope tension roller
A bracket having a hollow rectangular parallelepiped shape and having guide holes formed in a rectangular shape on left and right sides in the height direction;
A spring inserted into the bracket and having one side fixed to a lower portion of the bracket;
A rotation roller installed in the bracket at an upper portion of the spring and having protruded both shafts inserted into the left and right guide holes;
Lt; / RTI >
And wherein the rotating roller pushes or releases the spring so that both axes of the rotating rollers move up and down along the guide holes, thereby preventing induction and departure of the wire rope guide.

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