KR20230061249A - Stage device with anti-shake pulley - Google Patents

Abstract

Disclosed is a stage setting equipped with an anti-shaking pulley. An anti-shaking fixing apparatus of the present invention comprises: a magnetic device provided on one side of a vertical pulley and operating as an electromagnet; a limit switch provided on one side of a driving unit and sensing an upper limit of a stage setting baton; and a tension device for fixing a baton provided on the stage setting baton. When the limit switch operates, the magnetic device is activated and the tension device for fixing the baton is magnetically coupled to the magnetic device. Therefore, since the stage setting baton can be electrically coupled using the magnetic device and the tension device for fixing the baton, the stage setting baton can be safely stored.

Description

Stage device equipped with an anti-shake pulley {STAGE DEVICE WITH ANTI-SHAKE PULLEY}

The present invention relates to a safety fixing device for a stage facility, and more particularly, to a stage device equipped with an anti-shake pulley capable of stably storing a stage device baton.

In general, various devices are installed on the stage, such as lighting fixtures for lighting the stage, effect fixtures for producing effects necessary for the contents of the performance, and curtain lifting fixtures for variably compartmentalizing the stage with the audience.

These devices are usually mounted on elevating stage facilities for reasons of management, maintenance, and performance production, and are installed so as to be able to move up and down.

1 is a schematic diagram showing the appearance of a conventional lift-type stage facility.

Referring to the drawing, the conventional stage facility is a facility for moving the stage equipment bar turn 30 up and down, and forms a structure in which a horizontal wall or grid iron 10 is connected by a hanger to provide a predetermined space on the ceiling.

Here, the grid iron 10 has a plurality of vertical pulleys 12 installed on its upper part, and the driving unit 40, which is a driving source of an elevating stage facility that elevates instruments such as lights or membranes that variably compartmentalize the stage and seats is installed on the gridiron.

At this time, the drive unit 40 is installed with a drive motor 42 that generates rotational force, and a winding drum 41 connected to the drive motor 42 through a belt and rotated by receiving the rotational force of the drive motor 42 .

Accordingly, a spiral groove is formed on the outer circumferential surface of the winding drum 41 to guide the winding operation of the wire rope (L).

In addition, a plurality of wire ropes (L) are connected to the stage setting bar 30, and each wire rope (L) is connected to the winding drum 41 of the drive unit 40 via each guide sprocket of the vertical sheave 12. Taken up and recommended.

Accordingly, when the wire rope (L) is wound around the winding drum 41 through the rotational force of the driving motor 42, the wire rope (L) is pulled and the stage device bar turn 30 rises, and the winding drum 416 When recommending the wire rope (L), the stage setting button 30 is to descend.

However, such a conventional stage facility has a problem in that many human accidents occur due to the stage facility falling to the stage due to equipment damage caused by the separation and damage of the wire rope during the lifting or lowering operation of the stage facility, which is a heavy object.

In addition, in the process of winding the wire rope around the sheave and the winding drum, the wire rope is separated, causing damage and noise to the stage facilities.

That is, in the process of winding a plurality of wire ropes centrally connected by the guide wheel on the take-up drum, if accurate winding with the guide wheel is not performed, the inclination and separation of the stage facilities due to the wire rope separation and interference with other facilities may occur. safety accidents, etc.

In addition, the stage equipment barton 30 is connected to a plurality of wire ropes (L) to be kept level, but the length between the wire ropes is changed due to long use, resulting in a problem with tension and disconnection, which may cause a safety accident .

In addition, the stage device button 30 is simply fixed and stored by the tension of the wire rope (L) on the pulley installed at the top after use, so that shaking occurs even if there is a small change in the external environment, and conventionally, the device is separated and falls. There was a risk, and shaking occurred during directing effects such as installation of moving devices or wind used for directing, and it was difficult to direct accurately, which caused a decrease in the quality of performances.

KR Registration Patent No. 10-2151698 (2020.08.28)

An object of the present invention for solving these problems is to provide a stage device equipped with an anti-shake pulley that can stably operate the stage device barton using magnetism.

In addition, the present invention is to provide a stage device equipped with an anti-shake fixing device that can firstly alleviate the impact with a tension device for fixing the barton when storing a barton for a stage device and stably store it secondarily by a magnetic device, another object to be

And another object of the present invention is to provide a stage device equipped with an anti-shake pulley capable of detecting the rise of the stage device barton using a limit switch and stably fixing and storing the stage device barton with magnetism.

A stage device equipped with an anti-sway pulley according to an embodiment of the present invention for solving these problems is a magnetic device provided on one side of the vertical pulley and operating as an electromagnet, and a driving unit provided on one side of the stage device barton. A limit switch for detecting an upper limit and a tension device for fixing a bar provided in the stage device bar, and when the limit switch operates, electricity is applied to the magnetic device so that the tension device for fixing the bar is magnetic to the magnetic device It can be achieved by configuring to be combined with.

The magnetic device is electrically connected to the limit switch and the power supply unit to form a closed loop, and when the tension device for fixing the bar is in contact with the limit switch, power from the power supply unit is applied to the magnetic device so that the magnetic device operates as an electromagnet do.

The tension device for fixing the bar is fixedly installed on one side of the upper part of the stage device bar,

Consists of a hollow lower body and an upper body installed in the hollow lower body and flowing up and down, wherein the upper body flows up and down by an elastic body, and part or all of the upper body is made of a metal material It can be configured to be magnetically fixed to the magnetic device of the vertical pulley.

And it is configured to further include a control unit for detecting the on-off of the limit switch, and the control unit warns the shaking of the stage setting button to the outside when the on-off of the limit switch is detected more than a set number of times while the drive unit is stopped. so that the risk can be prevented.

Therefore, according to the stage device equipped with an anti-shake pulley of the present invention, the stage device barton can be electrically coupled using the magnetic device and the tension device for fixing the bar, so that the stage device barton can be safely stored.

In addition, according to the stage device equipped with the anti-shake pulley of the present invention, when storing the stage device barton, the shock can be firstly mitigated by the tension device for fixing the bar and secondarily fixed by the magnetic device, so that the magnetic device is resistant to magnetism during operation. It has the effect of minimizing the impact when pulling by the force and safely storing the stage device baton without shaking.

In addition, according to the stage device equipped with the anti-shake pulley of the present invention, when the stage device barton is raised and stored, the tension device for fixing the bar operates first before the magnetic device operates, thereby mitigating the lifting operation first and mitigating the lifting operation Since the magnetic device fixes the stage device barton that has been installed, it has the effect of enabling the rising stage device barton to operate efficiently and stably so that the stage device barton can be used without failure for a long time.

And according to the stage device equipped with the anti-shake pulley of the present invention, if shaking occurs when storing the stage device baton, safety accidents caused by the fall of the stage device baton can be prevented in advance because the manager can be notified and safety measures can be taken There is an effect.

1 is a schematic diagram showing an example of a conventional elevating stage facility;
Figure 2 is a view illustrating a stage apparatus equipped with an anti-shake pulley according to an embodiment of the present invention;
3 is a detailed configuration diagram of an anti-shake fixing device;
4 is an exploded view of a tension device for fixing a bar according to an embodiment of the present invention;
5 is a coupling diagram of a tension device for fixing a bar according to an embodiment of the present invention;
6 is a circuit diagram related to an anti-shake pulley according to an embodiment of the present invention;
and
7 is a main configuration diagram of a stage apparatus equipped with an anti-shake pulley according to an embodiment of the present invention.

The terms or words used in this specification and claims are not limited to the usual or dictionary meanings, and the inventor can properly define the concept of the term in order to explain his or her invention in the best way. Based on this, it should be interpreted as a meaning and concept consistent with the technical spirit of the present invention.

Throughout the specification, when a certain component is said to "include", it means that it may further include other components without excluding other components unless otherwise stated. In addition, terms such as “… unit”, “… unit”, “module”, and “device” described in the specification mean a unit that processes at least one function or operation, which is implemented as a combination of hardware and/or software. It can be.

Throughout the specification, the term "and/or" should be understood to include all possible combinations from one or more related items. For example, the meaning of “a first item, a second item and/or a third item” may be presented from two or more of the first, second or third item as well as the first, second or third item. A combination of all possible items.

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

Figure 2 is a view illustrating a stage apparatus equipped with an anti-shake pulley according to an embodiment of the present invention, showing the configuration of a stage apparatus equipped with an anti-shake pulley added in the conventional stage apparatus as shown in FIG. , Components such as those of the prior art will be described using the same reference numerals.

First, the present invention is fixed to the ceiling and has a grid iron 10 installed with a plurality of anti-swaying pulleys 100 having a pulley rotating body 110 on the upper surface, and a wire rope (L) below the grid iron 10 ) of the grid iron 10 to provide the power required for the lifting and moving of the stage equipment baton 30 and the stage equipment baton 30 to which the stage lighting device and the curtain 50 are connected and installed to be able to move up and down by A stage facility consisting of a drive unit 40 installed on the upper side and composed of a drive motor 440 generating rotational force and a winding drum 430 connected to the drive motor 440 to wind or wind the wire rope L. One feature is that it can be safely stored using the anti-shake pulley 100 when storing the stage device button 30 in.

The present invention is a grid iron 10 installed and fixed on the ceiling, a plurality of anti-swaying pulleys 100 installed on the upper surface of the grid irons 10, and an anti-swaying pulley 100 below the grid irons 10. A wire rope (L) connected as a medium is configured.

As in the prior art, the drive unit 40 is installed on one side of the grid iron 10, and the drive motor 41 generates rotational force and is connected to the drive motor 41 to wind or wind the wire rope L. It consists of a drum 430.

At the end of the wire rope (L), the stage device bar turn 30 is coupled, and the lower stage device bar turn 30 is connected to the stage lighting device and the film 50.

Referring to the detailed configuration diagram of the anti-shake fixing device of FIGS. 2 and 3, the anti-shake pulley 100 of the present invention is provided on one side of the grid iron 10 and includes a magnetic device 140 operating as an electromagnet and a stage device. A tension device 130 for fixing the bar is provided on the top of the bar 30, and when the limit switch 150 operates, the magnetic device 140 is activated so that the tension device 130 for fixing the bar is a magnetic device ( 140) to be magnetically coupled to the end stage device bar turn 30 is fixed to prevent shaking.

The limit switch 150 may be provided on the vertical pulley to operate when the stage device button 30 rises and approaches a predetermined distance. It operates to detect the lower limit position.

More specifically, the limit switch 150 is coupled between the shaft and the drum of the drive unit to detect winding and winding of the wire rope, and eventually, when the stage device button rises and reaches the upper limit position to stop, the upper limit switch operates, and the stage device button descends. When it reaches the lower limit position where it should stop, the lower limit switch operates.

As described above, since the stage device button 30 is coupled with stage-related devices such as curtains and lights, the height of the descent must be changed according to the combined device even when descending, so of course the lower limit position and the upper limit position are also adjustable. .

In the present invention, when it is raised for storage of the stage device button rather than the lower limit position, the switch operates when it reaches the upper limit position, and the operated switch signal is transmitted to apply electricity to the magnetic device 140 to operate as an electromagnet. .

Referring to the circuit diagram related to the stage device equipped with the anti-shake pulley of the present invention of FIG. 6, the magnetic device 140 and the limit switch 150 are electrically connected to the power supply unit 160 to form a closed loop, and the limit switch When the tension device 130 for fixing the bar is in contact with 150, power from the power supply unit 160 is applied to the magnetic device 140 so that the magnetic device operates as an electromagnet so that the tension device 130 for fixing the bar is fixed is to do

To this end, the tension device 130 for fixing the bar is fixed to one side of the upper part of the stage device bar 30, but is inserted into the hollow lower body 131 and the hollow lower body 131 to move up and down the upper body ( 133), the upper body 133 flows up and down by the elastic body 132, and part or all of the upper body is made of a metal material to be magnetically fixed to the magnetic device 140. .

Referring to the exploded view of the tension device according to one embodiment of the present invention in FIG. 4 and the coupled view of the tension device according to one embodiment of the present invention in FIG. 5, it can be configured as a kind of shock absorber.

The tension device 130 for fixing the bar installed on the vertical pulley is configured so that the upper and lower bodies 131 and 133 move up and down by the elasticity of the spring 132 by the spring 132 provided therein.

In addition, since the tension device 130 for fixing the bar has to be fixed to the magnetic device 140, the upper body 133 must be made of at least a metal material. Of course, only the end of the upper body 133 may be made of a metal material, or both the upper body 133 and the lower body 131 may be made of a metal material.

*The tension device 130 for fixing the barton is composed of a hollow lower body 131 and an upper body 133 inserted into the hollow lower body 131 and flowing up and down, and the upper body 133 is an elastic body It is configured to flow up and down by the in-spring 132.

Referring to the drawing, the upper body 133 is inserted into the lower body 131, and flows up and down by the elasticity of the spring 132, which is an elastic body.

To this end, the upper end of the lower body 131 is bent inward to form a first step 131a protruding downward, and the lower end of the upper body 133 is bent outward to form a second step protruding upward ( 133a) is formed so that the second step 133a is inserted into the first step 131a, so that the upper body 133 moves up and down in the lower body 131 but is not separated.

The structure of this stepped structure is only a means for binding the upper body and the lower body with a simple configuration, and the present invention is not limited thereto, and any configuration in which the upper and lower bodies are not separated from each other and can flow by internal elasticity is sufficient.

Referring to the drawing, by inserting a spring 132 into the hollow of the upper body 133 and the lower body 131, the first step 133a of the upper body 133 is lowered by the restoring force of the spring 132. It is configured to be inserted into the second step 131a of the body 131 so that it flows up and down.

With this configuration, the present invention can be stably stored by firstly alleviating the impact and secondarily fixed by the magnetic device when the barton fixing tension device is fixed to the magnetic device when storing the stage device barton.

The vertical movement width of the tension device for fixing the bar may be as much as the height (y) of the step and the floor of the lower body, but it will be shorter than y considering the compressed length of the spring.

*In addition, since the tension device 130 for barton fixing is moved and fixed by the rotation of the wire rope (L), the length of the wire rope (L) of each pulley is not the same If not, the stage device barton 30 may not be stored horizontally, but, as in the present invention, when the barton fixing tension device 130 flows up and down, even if the wire rope (L) is some short or long stage device barton 30 ) can be adjusted to keep it horizontal.

In addition, in the present invention, although the tension device 130 for fixing the bar installed on the upper part of the stage device bar 30 has been described as flowing up and down, the magnetic device 210 may be made to flow up and down at a certain height, conversely Of course, it can also be configured.

In addition, in the present invention, it has been described that the magnetic device 140 and the tension device 130 for fixing the bar are magnetically coupled, but the present invention is not limited thereto, and the magnetic device 140 and the tension device 130 for fixing the bar by external manipulation It should be noted that any device capable of coupling or separating the tension device 130 may be used.

This anti-shake pulley 100 can be applied to all vertical pulleys, but it is installed on two or more vertical pulleys, including the outermost two vertical pulleys among the vertical pulleys installed on the grid iron, so that the stage setting baton 30 is more stable It can also be stored horizontally.

In addition, the present invention may further include a control unit for detecting a signal of the limit switch 150.

That is, the present invention can activate the magnetic device by automatically supplying power to the magnetic device 140 when the limit switch 150 operates in a mechanical structure as shown in FIG. 6, but more stably detecting the signal, A controller 170 for detecting a signal of the limit switch 150 is further provided to generate a warning sound when an abnormal signal is detected.

Referring to the main configuration diagram of the anti-shake fixing device according to one embodiment of the present invention of FIG. 7, the control unit 170 drives the power supply unit 160 when detecting the operation of the limit switch 150, and the magnetic device 140 When the limit switch 150 operates abnormally at the same time as applying power to the electromagnet, a warning is issued through an alarm unit (not shown) to alert attention, and at the same time, through a wireless communication unit (not shown), a predetermined An administrator's terminal (not shown) may issue a warning message so as to respond quickly.

That is, the control unit 170 may determine an abnormal operation when two or more limit switches operate simultaneously.

Of course, even when the stage device button is stored, it may be notified that the stage device button has been stably stored to the manager's terminal through the wireless communication unit.

The control unit (170) detects the operation of the limit switch 150 and stops the driving of the driving unit 40 for safety when it is determined that the wire rope is abnormal or broken and the stage equipment button is shaken, and generates a warning sound to troubleshoot the problem It works to solve the problem.

Specifically, the wireless communication unit of the control unit 170 transmits information on the operating state of the stage equipment button to the terminal while communicating with the manager terminal, or detects the limit switch when receiving a request for information on the operation of the stage equipment button from the terminal. By configuring the operation information to be transmitted to the terminal, it is possible to remotely check the storage status from outside or receive alarm information and respond immediately.

In addition, if necessary, a check key capable of checking the operating state of the stage equipment button is provided, and when the check key is input, the control unit 170 receives a signal from the limit switch 150 and transmits the operating state of the stage equipment button to the alarm unit. By doing so, it is possible to check the operation status of the stage device button from time to time.

In this case, necessary information such as normal operation status and wire breakage may be provided, and the provided information may be notified to a manager through a speaker.

In addition, the control unit 170 may warn the shaking of the stage device button to the outside when the on-off of the limit switch 150 is detected more than a set number of times in a state in which the driving unit is stopped.

The alarm unit provides an alarm so that the manager can recognize according to the detection result of the control unit 170 to immediately stop the driving of the driving unit, and configures the manager to check the state of the stage equipment button and keep it safe.

The operation of the stage device equipped with the anti-shake pulley of the above-described configuration is as follows.

For example, if the performance is finished and all the equipment of the stage equipment is removed from the stage equipment barton and stored, or if it is necessary to install the equipment of the stage equipment necessary for the stage equipment barton for the next performance and store it for a certain period of time, the manager 40) to wind the wire rope connected to the stage equipment baton 30 via the pulley rotating body 110 to raise the stage equipment baton 30 to the storage position.

When the stage device button 30 rises to a certain height and the limit switch 150 designated as the upper limit stop position operates, mechanically or the control unit 170 drives the power supply unit 160 to apply electricity to the magnetic device 140 .

The magnetic device 140 to which electricity is applied is operated electronically to magnetically couple the tension device 130 for fixing the bar, which has been raised, while the tension device 130 for fixing the bar, which has been rising, is coupled to the magnetic device 140 It stops, and the rising stage setting bar 30 is stably coupled to and stored in the magnetic device 140 while the shock is primarily relieved by the function of the shock absorber of the tension device 130 for fixing the bar.

In this case, if the control unit 170 is configured, it can inform the manager's terminal that the stage equipment button is stably stored through the wireless communication unit, and the control unit that repeatedly detects that the limit switch is turned on and off due to not being stored or shaken Safety accidents can be prevented by notifying that there is a problem in the administrator's terminal.

Although the present invention has been described in detail with respect to the specific embodiments described above, it is obvious to those skilled in the art that various changes and modifications are possible within the scope of the technical idea of the present invention, and it is natural that these changes and modifications fall within the scope of the appended claims.

10: grid iron 12: vertical pulley
40: driving unit 430: winding drum
W : Ceiling L : Wire rope
100: anti-sway pulley
110: pulley rotation body 120: support bracket
130: tension device for fixing the bar 140: magnetic device
150: limit switch 170: control unit

Claims (2)

The grid iron 10 is installed and fixed to the ceiling W and has a plurality of anti-sway pulleys 100 installed, and is installed to be moved up and down by the wire rope L below the grid iron 10 to illuminate the stage. It is installed above the grid iron 10 in order to provide the power necessary for the stage device barton 30 connected to the device and the film and the lifting movement of the stage device barton 30, and generates rotational force to move the wire rope (L). In the stage device having an anti-sway pulley including a driving unit 40 that operates to wind or invite,
The anti-swaying pulley
a magnetic device provided on one side of the vertical pulley, operating as an electromagnet, and provided on three or more vertical pulleys including the outermost two vertical pulleys among the vertical pulleys installed on the grid iron;
A limit switch provided on one side of the drive unit and electrically connected to the power supply unit to form a closed loop to detect the upper and lower limits of the stage device button; and
A tension device for fixing the bar provided to the stage device bar, but provided at a position opposite to the magnetic device;
including,
As the tension device for fixing the bar, which has been rising, comes into contact with the magnetic device, the shock is first alleviated by the shock absorber function of the tension device for fixing the bar, and at the same time, the tension device for fixing the bar, which has been rising to the limit switch, is in contact with the upper limit of the limit switch When this is detected, power from the power supply unit is secondarily applied to the magnetic device so that the magnetic device operates as an electromagnet to fix the tension device for fixing the bar,
The tension device for fixing the bar is
It is fixedly installed on one side of the upper part of the stage device button,
a hollow lower body; and
an upper body installed in the hollow lower body and flowing up and down;
Including, the upper end of the lower body is bent inward to form a first step protruding downward, and the lower end of the upper body is bent outward to form a second step protruding upward to form the first step. In a configuration in which the second step is inserted into the step, the upper body moves up and down in the lower body but is not separated, the upper body moves up and down by an elastic body, and part or all of the upper body is metal A stage device equipped with an anti-shake pulley composed of a material and magnetically fixed to the magnetic device of the vertical pulley.
The method of claim 1,
a control unit detecting on/off of the limit switch;
Including more,
When the control unit detects the operation of the limit switch, it drives the power supply unit so that power is applied to the magnetic device so that it operates as an electromagnet. Stage equipment equipped with an anti-shake pulley that warns the shaking of the stage equipment.

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