KR101027147B1 - Lift up and down apparatus for theater and control method - Google Patents

Lift up and down apparatus for theater and control method Download PDF

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Publication number
KR101027147B1
KR101027147B1 KR1020100127226A KR20100127226A KR101027147B1 KR 101027147 B1 KR101027147 B1 KR 101027147B1 KR 1020100127226 A KR1020100127226 A KR 1020100127226A KR 20100127226 A KR20100127226 A KR 20100127226A KR 101027147 B1 KR101027147 B1 KR 101027147B1
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KR
South Korea
Prior art keywords
drum
wire member
wheel
unit
barton
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KR1020100127226A
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Korean (ko)
Inventor
배관영
서정수
정인호
홍문기
Original Assignee
주식회사 진성
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Priority to KR1020100054227 priority
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    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63JDEVICES FOR THEATRES, CIRCUSES, OR THE LIKE; CONJURING APPLIANCES OR THE LIKE
    • A63J1/00Stage arrangements
    • A63J1/02Scenery; Curtains; Other decorations; Means for moving same
    • A63J1/028Means for moving hanging scenery
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63JDEVICES FOR THEATRES, CIRCUSES, OR THE LIKE; CONJURING APPLIANCES OR THE LIKE
    • A63J1/00Stage arrangements

Abstract

The present invention relates to a lift apparatus for a concert hall and a control method thereof, and in particular, a lift apparatus for a concert hall and a control method thereof capable of measuring the weight of devices moved by the lift apparatus and reducing the space required for installation of the lift apparatus. It is about.
The present invention, Barton is installed the device required for the performance; A wire member for mounting the barton on an upper stage; A driving unit for raising or lowering the barton by pulling or releasing the wire member; And a storage part in which the wire member pulled by the driving part is wound.

Description

Lifting device for theater and its control method {LIFT UP AND DOWN APPARATUS FOR THEATER AND CONTROL METHOD}

The present invention relates to a lift apparatus for a concert hall and a control method thereof, and in particular, a lift apparatus for a concert hall and a control method thereof capable of measuring the weight of devices moved by the lift apparatus and reducing the space required for installation of the lift apparatus. It is about.

In general, a performance hall where various genres of art such as a play or an opera are performed consists of a stage where a performance is performed and a seat where an audience is seated in order to watch a performance unfolding on this stage.

The stage is equipped with a lighting fixture, the lighting fixture is usually installed in the form of hanging in the air, mainly installed in a structure called the batten (Batten) that is elevated by hanging on the ceiling and is powered on.

As such, numerous ceiling lighting fixtures are provided on the ceiling of the stage, and a device film that forms the background of the performance is installed on the barton, and ascends to realize the background required for the performance.

As described above, the barton where the lighting device and the device film and the like are installed is moved by the elevating device to provide the background and lighting required for the performance.

Since the general barton is arranged long in the left and right direction, and a plurality of devices are installed in the barton, when the barton is raised or lowered by the elevating device, the device film, lighting device, etc. installed in the barton is raised or lowered and the background required for the performance or Lighting will be implemented.

The technical structure described above is a background technique for assisting the understanding of the present invention, and does not mean the prior art widely known in the technical field to which the present invention belongs.

In general, a lifting device for a performance hall has a problem in that malfunction and breakage of the lifting device may occur when a device having a weight exceeding the output of the lifting device is installed because a plurality of devices are installed in one barton.

In addition, a general lifting device for a performance hall has a problem that it is difficult to reduce the size of the lifting device because a plurality of wires are simultaneously wound on a long formed drum to raise or lower the barton disposed long in the horizontal direction.

Therefore, there is a need for improvement.

It is an object of the present invention to provide a lifting device for a performance hall and a control method thereof, in which a device having a weight exceeding the output of the lifting device is prevented from being installed and moved in the barton and the installation space can be reduced.

In order to achieve the above object, the present invention, the barton is installed the device required for the performance; A wire member for mounting the barton on an upper stage; A driving unit for raising or lowering the barton by pulling or releasing the wire member; And a storage part in which the wire member pulled by the driving part is wound.

In addition, the drive unit, the drum is rotatably installed on the support is installed on the upper part of the concert hall; And a first motor connected to the rotating shaft of the drum.

In addition, the driving unit, the load cell is installed on the rotating shaft; A drive controlling the first motor according to a signal transmitted from the load cell; And a controller for determining a electrical signal transmitted from the load cell and transmitting a driving signal to the drive.

The control unit may further include an amplifier configured to amplify a current waveform transmitted from the load cell; And an A / D converter for converting the current waveform amplified by the amplifier into a digital value.

In addition, the storage unit, the wheel drum is fixed to the end of the wire member and the wire member is stacked and wound; And a second motor connected to the drive shaft of the wheel drum.

The wheel drum may include: a drum body having a wheel part and a fixed shaft formed on the driving shaft; A unit drum installed on the fixed shaft and formed with the wheel unit; And a finishing drum formed with the wheel part and installed on the fixed shaft to restrain the unit drum.

In addition, the drum body and the unit drum is characterized in that the step is formed so that the space in which the wire member is stacked between the wheel portion is formed.

In addition, the support member is characterized in that the guide member through which the wire member penetrates so that the wire member is guided into the space between the wheels.

In addition, the support is characterized in that the guide roller in contact with the wheel portion is rotatably installed.

In addition, the present invention (a) detecting the load of the rotating shaft of the drum pulling the wire member connected to the barton when the drive signal is input; (b) determining whether the load of the rotating shaft is less than or equal to a set value; And (c) pulling the wire member by the operation of the driving unit when the load of the rotary shaft is less than or equal to the set value and winding the wire member in the storage unit.

In addition, in the step (c), the first motor of the driving unit is driven at the same speed, and the second motor of the storage unit is controlled to maintain a constant torque to serve as an electronic weight.

In addition, in the step (b), if the load of the rotation shaft exceeds a set value, the step of stopping the first motor and the second motor and outputting an emergency signal may be performed.

The elevating device and the control method for a concert hall according to the present invention can display the weight of the devices installed in the barton, it is possible to prevent the device of the weight exceeding the output of the lifting device to be installed in the barton to prevent malfunction and breakage of the lifting device There is an advantage that can prevent the safety accident caused by.

In addition, the lifting device for a concert hall and the method of controlling the same according to the present invention have the advantage of reducing the size of the drum required for winding the wire member because a plurality of wire members connected to the barton are stacked and wound.

1 is a view of a performance hall is installed in accordance with an embodiment of the present invention.
2 is a perspective view showing a lift device for a performance hall according to an embodiment of the present invention.
3 is a cross-sectional view showing a lift device for a performance hall according to an embodiment of the present invention.
Figure 4 is a block diagram showing a lifting device for a performance hall according to an embodiment of the present invention.
5 is a flowchart illustrating a control method of a lift device for a performance hall according to an embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of a lifting device for a concert hall and its control method according to the present invention.

In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of description.

In addition, terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to a user's or operator's intention or custom.

Therefore, definitions of these terms should be made based on the contents throughout this specification.

1 is a view of a concert hall is installed in accordance with an embodiment of the present invention, Figure 2 is a perspective view showing a lift device for a concert hall according to an embodiment of the present invention, Figure 3 is an embodiment of the present invention Figure 4 is a cross-sectional view showing a lift device for a concert hall, Figure 4 is a block diagram showing a lift device for a concert hall according to an embodiment of the present invention.

1 to 4, the lifting device 100 for a performance hall according to an embodiment of the present invention is a barton 10 and a wire for mounting the barton 10 on the stage, the device required for the performance is installed The member 12, the drive unit 50 for pulling or unwinding the wire member 12 to raise or lower the barton 10, and the storage unit 70 in which the wire member 12 pulled by the drive unit 50 is wound. It includes.

When the raising or lowering of the device film 14 is manipulated during the performance, the barton 10 is raised or lowered by the operation of the driving unit 50 to thereby raise or lower the device film 14.

When the device film 14 is raised, the wire member 12 is pulled by the drive unit 50, and the wire member 12 pulled by the drive unit 50 is wound around the storage unit 70.

The wire member 12 pulled by the ascending distance of the barton 10 is not wound around the driving unit 50, but is wound around the storage unit 70 through the driving unit 50, so that the storage of the wire member 12 may be accommodated in the driving unit 50. Since no space is required, the size of the driving unit 50 is reduced.

The driving unit 50 is rotatably installed on the support 30 installed in the upper part of the performance hall, and the drum 52 on which the wire member 12 is wound, and the first motor connected to the rotation shaft 54 of the drum 52. 56).

When the raising or lowering of the device film 14 is operated, power is applied to the first motor 56 to rotate the drum 52 connected to the rotation shaft 54 of the first motor 56 to rotate the wire member 12. It is pulled upwards.

The end of the wire member 12 wound on the circumferential surface of the drum 52 is connected to the storage unit 70, so that the wire member 12 wound while being rotated along the circumferential surface of the drum 52 rotates the drum 52. After passing through the storage unit 70.

As described above, since the wire member 12 is not wound and stored in the drum 52, the length of the drum 52 is moved to the storage part 70 after being wound 1 to 3 turns along the circumferential surface of the drum 52. Can be formed relatively short.

Barton 10 is arranged long in the left and right direction and the barton 10 is connected to the barton 10 to maintain the spacing so that the plurality of wire members 12 are spaced in parallel to rise or fall, a plurality of wire members Since 12 is wound on one drum 52 at the same time, it is difficult to reduce the length of the drum 52.

In this embodiment, since the wire member 12 pulled by the drum 52 is not wound on the drum 52 but is wound on the storage unit 70 through the drum 52, the drum 52 pulling the wire member 12. ) Length can be easily reduced.

In addition, the driving unit 50 includes a load cell 58 installed on the rotation shaft 54, a drive 59 controlling the first motor 56 according to a signal transmitted from the load cell 58, and a load cell 58. The controller 60 may further include a controller 60 for determining a transmitted electrical signal and transmitting a driving signal to the drive 59.

The load cell 58 is preferably provided with a strain gauge type load cell 58 of a ring type or shear type so as to detect a load applied to the rotating shaft 54.

The electrical signal output through the load cell 58 is amplified by the control unit 60 and converted into a digital signal is transmitted to the drive 59, the control signal is transmitted in accordance with the signal received by the drive 59, the first motor The driving of 56 is controlled.

The load cell 58 is a device that detects and detects a small deformation caused by a load applied to the rotating shaft 54 by detecting a change in resistance through a bridge circuit and recognizes a load through a detection value consisting of a voltage value.

The bridge circuit maintains the electrical equilibrium normally and flows extremely fine drift, and when an imbalance occurs on either side and the resistance value changes, current flows toward the imbalance, and the current flow appears as a change in voltage. Will be.

The control unit 60 includes an amplifier 62 for amplifying the current waveform transmitted from the load cell 58 and an A / D converter 64 for converting the current waveform amplified by the amplifier 62 to a digital value.

Accordingly, the electrical signal provided from the load cell 58 is amplified by the amplifier 62 and converted into digital values by the A / D converter 64 to form data for controlling the driving of the first motor 56.

In addition, the drive unit 50 may be provided with an output unit 68 that displays the load on the rotating shaft 54 in numerical value and outputs an emergency signal, the output unit 68 is a monitor installed in the drive unit 50, It includes output means such as a warning light and an emergency bell that is driven when the load on the rotating shaft 54 exceeds the installation.

Therefore, when the operator manipulates the movement of the barton 10 and judges the load on the rotating shaft 54 and exceeds the set value, the operation of the driving unit 50 and the storage unit 70 does not proceed and the output unit 68 does not proceed. Emergency signal is output.

The storage unit 70 has a wheel drum 72 having an end of the wire member 12 fixed thereto, the wire members 12 stacked and wound, and a second motor connected to the drive shaft 76 of the wheel drum 72. 74).

Since the second motor 74 is driven simultaneously with the first motor 56 and driven in the same direction, the wire member 12 wound around the drum 52 and then moved to the storage part 70 is wound on the wheel drum 72. Let's do it.

The wire member 12 wound on the wheel drum 72 is laminated and wound in the space between the wheel parts 82a, 84a, and 86a, which will be described later, so that the curvature of the wound wire member 12 is gradually increased, and the wheel parts 82a, In the space between 84a and 86a).

Since a plurality of wheels 82a, 84a, 86a are continuously disposed on the circumferential surface of the wheel drum 72, a plurality of wire members 12 connected to the barton 10 are respectively provided with wheels 82a, 84a, It is laminated and wound in the space between 86a).

Therefore, the plurality of wire members 12 can be wound simultaneously without increasing the length of the wheel drum 72.

The wheel drum 72 is a unit drum having a wheel portion 82a and a fixed shaft 82c formed therein and a drum body 82 installed on the drive shaft 76, and a wheel portion 84a formed on the fixed shaft 82c. And a finishing drum 86 formed with the wheel portion 86a and installed on the fixed shaft 82c to restrain the unit drum 84.

A plurality of unit drums 84 in which the hole portion is formed with the wheel portion 84a are continuously inserted into the fixed shaft 82c formed at the center of the drum body 82, and the wheel portion 86a is provided at the end of the fixed shaft 82c. Combining the formed finish drum (86) to assemble the wheel drum (72).

Steps 82b and 84b are formed in the drum body 82 and the unit drum 84 to form a space in which the wire members 12 are stacked between the wheel parts 82a, 84a, and 86a. , 86a) is formed between the spaces.

Since the space portion formed between the wheel portions 82a, 84a and 86a is formed in a small amount compared to the thickness of the wire member 12, the next wire member 12 is inserted after the one wire member 12 is wound and wound. When inserted between the 82a, 84a, and 86a, it is wound while being stacked on the upper side of the wire member 12 inserted before.

Therefore, when the winding of the wire member 12 is made continuously, the curvature of the wound wire member 12 is increased step by step.

In addition, the support 30 is provided with a guide member 32 through which the wire member 12 penetrates so that the wire member 12 is guided into the space between the wheel parts 82a, 84a, and 86a.

The support 30 has a pair of supports 30 installed at the front and rear of the drum 52 and the wheel drum 72, and connects the pair of supports 30 to the left and right to face the wheel drum 72. The guide member 32 is installed long in the direction.

The guide member 32 has a hole portion formed at a position opposite to the space portion between the wheel portions 82a, 84a, and 86a, so that when the wire member 12 is inserted into the hole portion, the wire member 12 is wheel portions 82a, 84a, 86a. Are arranged opposite to the space between them.

The wire member 12 pulled by the drum 52 is laminated while being inserted into the space between the wheel parts 82a, 84a, 86a through the guide member 32, and thus the wire member 12 by the guide member 32. Is moved in the correct direction toward the space between the wheel portions 82a, 84a, 86a.

In addition, since the guide roller 34 which contacts the wheel parts 82a, 84a, 86a is rotatably installed in the support 30, the wire member 12 laminated in the space between the wheel parts 82a, 84a, 86a is wheel part. It is possible to prevent the departure from the outside (82a, 84a, 86a).

The second motor 74 is torque controlled by the controller 60 such that the wheel drum 72 is rotated while maintaining a constant torque.

When the barton 10 is raised or lowered, the wire member 12 must be pulled or released at the same speed to move the barton 10 at the same speed from the beginning to the end of operation. Since the curvature of the wire member 12 is changed in stages, the winding speed is changed while performing the winding operation of the second motor 74.

Since the wire member 12 wound on the drum 52 is not laminated and always maintains the same curvature and is wound to the drum drum 72 after being wound on the drum 52, the first motor 56 is always driven at the same speed. The speed of pulling or unwinding the wire member 12 is the same.

On the other hand, since the curvature of the wire member 12 wound on the wheel drum 72 is changed in stages, the power of the second motor 74 is changed and controlled so that the pulling force of the wire member 12 remains the same. do.

Particularly, when the wire member 12 is released and the barton 10 is lowered, the force for pulling the wire member 12 by the second motor 74 is maintained uniformly, thereby preventing the barton 10 from falling rapidly. do.

Therefore, the second motor 74 and the wheel drum 72 serve as an electronic weight to prevent the abrupt fall of the barton 10.

Looking at the control method of the lifting device for a concert hall according to an embodiment of the present invention configured as described above are as follows.

5 is a flowchart illustrating a control method of a lift device for a performance hall according to an embodiment of the present invention.

1 to 5, the control method of the lifting device for a performance hall according to an embodiment of the present invention, the rotation shaft of the drum 52 pulling the wire member 12 connected to the barton 10 when a drive signal is input ( Step (S10) of detecting the load of 54, determining whether the load of the rotary shaft 54 is less than or equal to the set value (S20), and if the load of the rotary shaft 54 is less than or equal to the set value, the wire by the operation of the drive unit 50 Pulling the member 12 and winding the wire member 12 in the storage unit 70 includes a step (S30).

When a device such as the device film 14 is installed in the barton 10 for the installation of a performance hall, tension is generated in the wire member 12 having one end connected to the barton 10.

The tension generated in the wire member 12 is transmitted to the rotating shaft 54 through the drum 52 to which the other end of the wire member 12 is wound.

When the barton 10 driving signal is input by the operator's manipulation or driving of the controller 60 during the performance, the first motor 56 and the second motor 74 are driven, and the load applied to the rotating shaft 54 is Fine deformation is caused in the rotating shaft 54.

The deformation of the rotary shaft 54 is detected by the load cell 58 and output as a voltage waveform. The minute voltage waveform output from the load cell 58 is transmitted to the amplifier 62 and amplified.

The voltage waveform amplified by the amplifier 62 is converted into a digital value through the A / D converter 64, and the digital value is transferred to the drive 59 so that the first motor 56 is driven by the drive 59. The rotation speed of is determined.

The digital value generated by the A / D converter 64 may be output by the output unit 68. When the digital value exceeds the set value, the first motor 56 and the second motor 74 are stopped. In step S40, the emergency signal is output.

When the digital value produced by the A / D converter 64 is less than or equal to the set value, normal operation proceeds, and the wire member 12 that is pulled by the driving of the first motor 56 and the second motor 74 is a drum ( After winding around the periphery of 52, it is wound around the wheel drum 72.

The wire member 12 pulled by the drum 52 is wound while being laminated in the space between the wheel parts 82a, 84a and 86a and the wheel parts 82a, 84a and 86a through the hole of the guide member 32, The wire member 12 stacked between the wheel parts 82a, 84a, 86a and the wheel parts 82a, 84a, 86a is wheel part 82a by the guide roller 34 which rotates while contacting the wheel parts 82a, 84a, 86a. , 84a, 86a) are prevented from escaping outward.

The first motor 56 of the drive unit 50 is driven at the same speed, and the second motor 74 of the storage unit 70 is controlled to maintain a constant torque.

Initially, the first motor 56 and the second motor 74 are driven at substantially the same speed as the wire member 12 is pulled up to raise the bar 10.

As time passes, the wire member 12 wound on the wheel drum 72 is stacked and wound in the space between the wheel parts 82a, 84a, and 86a and the wheel parts 82a, 84a, and 86a, so that the curvature of the wire member 12 is increased. As the diameter increases, the diameter of the wheel drum 72 is increased.

Therefore, the second motor 74 is controlled to pull the wire member 12 with the same torque while the drive speed is gradually lowered when the wire member 12 is wound.

Initially, when the operation of lowering the barton 10 is started, the driving speed of the second motor 74 is driven slowly, and the driving speed of the second motor 74 is increased step by step, so that the first motor just before the operation is finished. It becomes similar to the driving speed of 56.

Of course, even when the barton 10 is lowered, since the driving speed is increased step by step to maintain the same torque, the second motor 74 serves as an electronic weight to prevent the barton 10 from falling sharply.

As described above, in order to control the wheel drum 72 to maintain the same torque, the torque sensor 78 is preferably installed on the drive shaft 76 on which the wheel drum 72 is installed.

Thus, it is possible to provide a lifting device for a performance hall and a control method thereof, in which a device having a weight exceeding the output of the lifting device is prevented from being installed and moved in the barton 10 and the installation space can be reduced.

Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and various modifications and equivalent other embodiments are possible to those skilled in the art. Will understand.

In addition, the lifting device and the control method for the venue has been described as an example, but this is merely exemplary, the lifting device and the control method of the present invention can be used in other products other than the lifting device and the control method for the venue. .

Therefore, the true technical protection scope of the present invention will be defined by the claims below.

10: barton 12: wire member
14 device film 30 support
32: guide member 34: guide roller
50: drive unit 52: drum
54: rotation axis 56: the first motor
58: load cell 59: drive
60: control unit 62: amplifier
64: A / D converter 68: output
70: storage unit 72: wheel drum
74: second motor 76: drive shaft
82: drum body 82c: fixed shaft
84: unit drum 86: closing drum
82a, 84a, 86a: Wheel portion 82b, 84b: Step
78: torque detection sensor 100: lifting device for the performance hall

Claims (12)

  1. A barton in which a device required for a performance is installed;
    A wire member for mounting the barton on an upper stage;
    A driving unit for raising or lowering the barton by pulling or releasing the wire member; And
    Lifting device for a performance hall, characterized in that it comprises a storage unit is wound around the wire member pulled by the drive unit.
  2. The method of claim 1, wherein the driving unit,
    A drum rotatably installed on a support installed at an upper part of a performance hall, and the wire member being wound; And
    Lifting apparatus for a performance hall, characterized in that it comprises a first motor connected to the rotating shaft (54) of the drum.
  3. The method of claim 2, wherein the driving unit,
    A load cell installed at the rotation shaft 54;
    A drive controlling the first motor according to a signal transmitted from the load cell; And
    And a control unit for determining a electrical signal transmitted from the load cell and transmitting a driving signal to the drive.
  4. The method of claim 3, wherein the control unit,
    An amplifier for amplifying the current waveform transmitted from the load cell; And
    And an A / D converter for converting the current waveform amplified by the amplifier into a digital value.
  5. The method of claim 3, wherein the storage unit,
    A wheel drum on which an end of the wire member is fixed and the wire member is stacked and wound;
    Lifting apparatus for a performance hall, characterized in that it comprises a second motor connected to the drive shaft of the wheel drum.
  6. The method of claim 5, wherein the wheel drum,
    A drum body having a wheel part and a fixed shaft formed on the drive shaft;
    A unit drum installed on the fixed shaft and formed with the wheel unit; And
    The wheel unit is formed and installed on the fixed shaft lifting apparatus for a performance hall, characterized in that it comprises a closing drum for restraining the unit drum.
  7. The method of claim 6,
    The drum body and the unit drum lifting device, characterized in that the step is formed so that the space in which the wire member is laminated between the wheel portion is formed.
  8. The method of claim 6,
    Lifting device for the performance hall, characterized in that the guide member is penetrated by the wire member so that the wire member is guided to the space between the wheel portion.
  9. The method of claim 6,
    Lifting device for the performance hall, characterized in that the support roller is rotatably installed in contact with the wheel.
  10. (a) detecting a load of the rotating shaft 54 of the drum pulling the wire member connected to the barton when a driving signal is input;
    (b) determining whether the load of the rotary shaft 54 is less than or equal to a set value; And
    and (c) pulling the wire member by the operation of the driving unit when the load of the rotating shaft (54) is less than or equal to the set value, and winding the wire member to the storage unit.
  11. The method of claim 10,
    In step (c), the first motor of the driving unit is driven at the same speed, the second motor of the storage unit is controlled to maintain a constant torque, the control method of the performance hall lifting device, characterized in that acts as an electronic weight.
  12. The method of claim 11,
    And (b) stopping the first motor and the second motor and outputting an emergency signal when the load of the rotating shaft (54) exceeds a set value.
KR1020100127226A 2010-06-09 2010-12-13 Lift up and down apparatus for theater and control method KR101027147B1 (en)

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KR101213433B1 (en) 2012-09-07 2012-12-18 (주)하온아텍 Light bridge for lifting device
KR101660253B1 (en) * 2016-01-18 2016-10-10 주식회사 오에스이 batten system
KR101704480B1 (en) * 2016-07-22 2017-02-10 제이엠스테이지(주) Stage device control apparatus
KR101776665B1 (en) * 2015-09-09 2017-09-08 (주)지컴 Quiet driving device for works of performing arts using a wires
KR101942245B1 (en) * 2018-10-08 2019-01-25 주식회사 유성이엠지 The driving apparatus of wheel drum type for efficient stage device operation
KR102013739B1 (en) * 2019-02-07 2019-08-23 (주)신진스테이지 Stage equipment Pulleys of wire rope for lift

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KR101383850B1 (en) 2014-02-26 2014-04-10 주식회사 명스테이지 Apparatus and method for trouble shooting stage mechanical apparatus
KR101637318B1 (en) * 2015-12-09 2016-07-07 이영주 Two way console system in stage setting and uniting interface used in it
KR101809157B1 (en) 2016-07-06 2017-12-15 주식회사 빅킴 Integrated control device of large scale multimedia firework show
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