KR100893951B1 - Brake for lifting equipment for stage properties - Google Patents

Abstract

A brake for the stage equipment elevating apparatus is provided, which prevents the drop of the stage equipment by holding the wire even when the wire is cut. A brake for the stage equipment elevating apparatus comprises: a wire box(800) which is mounted on the elevated body; a first member and a second member of which the upper part is hinge-coupled with the wire box in order to be separated from or to be in contact with the inner wall of the wire box; and a wire support portion including the first member and the elastic member applying the elastic force to the second member.

Description

Brake for Lifting Equipment For Stage Properties}

The present invention relates to a brake for a stage device elevating device, and more particularly, to a brake for preventing the stage device from falling even if the wire is cut.

In general, the stage is equipped with a variety of devices, such as lighting fixtures for illuminating the stage, as well as effect mechanisms for producing the necessary effects for the performance content, the membrane lifting mechanism that variably compartments the stage with the audience.

These devices are usually mounted on lifting stages and installed to move up and down as a reason for management, maintenance and performance.

The stage device lifting device is fixed to the ceiling, etc., and has a predetermined installation space, which is connected by a wire with the main body, and a lifting body to which the stage equipment such as a light is coupled to the lower part, installed in the installation space, and the drum of which the wire is loosened and wound, Drive means coupled axially with the drum to automatically elevate and elevate the elevating body by the unwinding and winding operation, an upper terminal portion connected linearly with the power supply portion to the lower portion of the main body, and a lower terminal portion connected with the upper terminal portion on the upper portion of the elevating body. It is composed by.

In addition, the installation space is provided with a plurality of guide rollers for changing the wire direction on the center and side so that the wire 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 installed at a predetermined position of the main body. The driving means is provided with a stationary motor to lift and lower the lifting body by automatically unwinding or winding the wire on the drum.

The stage device lifting apparatus configured as described above has the advantage that the operator does not go up to the place where the stage equipment such as the lighting lamp is automatically lowered to the ground to maintain and then lift the lamp again to fix the ceiling.

However, in the conventional stage equipment lifting apparatus, there is a fear that the equipment may be stopped and the driving motor is damaged due to the wires coming off the drum, and ultimately, the equipment may be damaged and accidents may occur due to the fall of the stage equipment such as the lighting due to the cutting of the wire. There was a high disadvantage.

The present invention has been proposed to solve the above problems, and an object of the present invention is to provide a brake for a stage device lifting device which prevents the fall of the stage device by holding the wire safely even if the wire is cut.

The brake for the stage equipment lifting apparatus according to the present invention for achieving the above object is a brake for the stage equipment lifting apparatus for lifting up and down the lifting body mounted on the stage equipment as the wire is unwound or wound, the wire is mounted on the lifting body. box; And a first member and a second member hinged to the wire box so that an upper side contacts and spaced apart from the inner wall of the wire box, and the upper side of the first member and the second member are separated from each other so as to be in close contact with the inner wall of the wire box. It is configured to include a wire support portion having an elastic means for applying an elastic force to the first member and the second member.

Therefore, one end of the wire extends downward, and is mounted to extend upwards after covering a surface facing the inner wall of the wire box among the outer surfaces of the first member and the second member. Due to the tension of the wire according to the load, the upper side of the first member and the second member are rotated closer to each other so that the wire is spaced apart from the inner wall of the wire box, and when the wire is cut, the first member and A member located at a portion where the wire is cut out of the second member is opened to compress the wire to the inner wall of the wire box.

The wire support further includes a rotating shaft coupled to be capable of rotating only at one point in the wire box, wherein the first member and the second member is mounted so that the rotating shaft passes through the lower side, and is centered on the central axis of the rotating shaft. It is configured to be rotatable.

The wire support further includes a roller mounted above the first member and the second member, and the wire is mounted to span the roller and the rotating shaft.

The brake for the stage device lift apparatus according to the present invention has an advantage of preventing the fall of the stage device by safely holding the wire even when the wire is cut.

Hereinafter, with reference to the accompanying drawings will be described in detail a brake for the stage device lifting apparatus according to an embodiment of the present invention.

       1 is an exploded perspective view of a brake for a stage device lifting apparatus according to an embodiment of the present invention, Figure 2 is a perspective view showing a state of the wire support of the brake for the stage device lifting apparatus of FIG.

As shown, the brake for the stage device lifting apparatus according to an embodiment of the present invention relates to a wire safety device of the lower end of the wire 300, that is, the connection portion with the lifting body 200.

Brake for the stage device lift apparatus of the present invention, the lifting body 200 is fixed to the structure is connected to the main body 100, the main body 100 and the wire 300 two lines having an installation space 110 therein is mounted on the stage equipment In order to prevent the fall of the stage apparatus, the wire 300 is mounted on a stage apparatus lifting apparatus including a driving means 400 for elevating and winding the lifting body 200. The wire box 800 is mounted on the upper side, the wire box 800 is accommodated in the wire 300 includes a wire support portion 700 that extends along the entire surface. At this time, in the present embodiment, the brake for the stage device lift apparatus according to the present invention is only applied to the stage device lift apparatus having a separate driving means 400, but the brake for the stage device lift apparatus according to the present invention is separately It can also be applied to a stage equipment lifting apparatus without a driving means.

Stage equipment lifting device is composed of a single line of wire 300 in the installation space 110 of the main body 100, the lower body of the main body 100 to the lifting body 200 is connected by a two-wire wire 300 It is a composition.

The main body 100 is provided with a ring-shaped connecting body (not shown) to be fixed to the ceiling and 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.

On one side of the installation space 110 is a stationary motor, which is the driving source of the driving means 400, and the winding drum 450 is axially coupled to the stationary 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 winding 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 winding drum 450 to form a vertical transfer line at the upper center portion of the lifting body 200 via the flow roller 440 and the guide roller 430.

The flow roller 440 is flow-installed on the other side of the installation space 110. The flow roller 440 is wound wire 300 is wound from the winding drum 450, the left and right move in the longitudinal direction of the winding drum 450 and the wire 300 is aligned with the winding drum 450 Guide to roll up.

The guide roller 430 is mounted on the fixing stand 445 and is installed in the center of the installation space 110, and the lifting body 300 moves in the center of the main body 100 by changing the direction of the wire 300 wound on the winding drum 450. Guide to form a vertical transfer line up to (200).

The lower terminal part 250 is mounted on the lower surface of the main body 100 to be supplied to the lower side of the main body 100 to receive power, and the lower terminal part 250 electrically connected to the upper terminal part 150 to the upper portion of the lifting body 200. It includes.

The wire 300 unwound from the winding drum 450 is redirected by the guide roller 430 through the flow roller 440 to form a vertical transfer line to the lifting body 200.

The lifting device 200 is equipped with a stage device, is connected to the main body 100 and the wire 300 two lines.

The wire box 800 is formed of an angular polygonal side to accommodate the wire 300 to connect the wire 300 and the lifting body 200. Since the wire box 800 has an angular side surface and the wire 300 is cut, the wire 300 is crimped and supported on the wire support part 700 and the wall surface of the wire box 800 in a bent state, so that the wire 300 ) Is not easily released from the wire box (800). In the inner space of the wire box 800 is housed the wire support portion 700 that the wire 300 spans along the outer surface.

A protrusion bar 810 extending in the horizontal direction is formed in the wire box 800, and the wire support part 700 is capable of rotating only at a point in the wire box 800, that is, the protrusion bar 810. ) Further includes a pipe-shaped rotating shaft 710 inserted therein. At this time, the first member 720 and the second member 730 is coupled to the rotating shaft 710 to pass through the lower side, it is configured to be rotatable around the central axis of the rotating shaft 710.

In addition, the wire support part 700 is in a direction in which the upper sides of the first member 720 and the second member 730 are separated from each other and closely contact the inner wall of the wire box 800, that is, the first member material 720 ) And an elastic means 740 for applying an elastic force to the first member 720 and the second member 730 in a direction in which the second member 730 opens in a tong shape. Therefore, the first member 720 and the second member 730 is in close contact with the inner wall of the wire box 800 when a separate external force is not applied. In addition, rollers 725 and 735 are mounted at the other ends of the first member 720 and the second member 730, respectively.

At this time, one end of the wire 300 extends downward and sequentially extends through the roller 725 of the first member 720, the rotating shaft 710, and the roller 735 of the second member 730. Accordingly, when a tensile force is applied to the wire 300, the first member 720 and the second member 730 are spaced apart from each other in the direction in which the upper side is closer to each other, and spaced apart from the inner wall of the wire box 800.

Figure 3a is a front view showing the appearance of the wire support when the wire of the stage device lifting apparatus of Figure 1 is normally operated, the lamp is mounted on the lifting body.

As shown in FIG. 3A, normally, the first member 720 and the second member 730 are folded into a V-shape by a tensile force of the wire 300 according to a load of an illumination lamp attached to the lifting body 200. . Since the wire 300 is in contact with only the rotation shaft 710 and the rollers 725 and 735, the wire 300 is smoothly operated without any problem in the lifting operation. In this case, the first member 720 and the second member 730 do not crimp the wire 300 on the wall surface of the wire box 800.

Figure 3b is a front view showing the state of the wire support unit when the wire of the stage device lifting apparatus of Figure 1 is normally operated, the lamp is not mounted on the lifting body. As shown in FIG. 3B, when the lamp is not attached to the lifting body 200, the load of the lamp does not work, and thus the first member 720 and the second member 730 are opened in a wider state than in FIG. 3A. 300 is in contact with the wall of the wire box 800. However, since the first member 720 and the second member 730 are not in a state of crimping and supporting the wire 300 on the wall surface of the wire box 800, there is no problem in that the brake for the stage device lifting device is operated.

Figure 3c is a front view showing the state of the wire support when the wire of the stage device lifting apparatus of Figure 1 is cut.

As shown in FIG. 3C, when any one of the two wires 300 is cut, the restraining force applied to the spring is released so that the first member 720 and the second member 730 having a V-shaped structure are opened. do.

When the wire 300 of one of the first member 720 and the second member 730 is cut, the members 720 and 730 positioned at the cut portion of the wire 300 are opened to contact the wire 300. Subsequently, the wire 300 is slid by the frictional force with the wire 300 and further spreads in the horizontal direction to hold the cut wire 300 by crimping and supporting the wire 300 on the wall surface of the wire box 800. In this case, the wire 300 is a little rough material than the slippery material because the friction occurs more, the wire support 700 is easy to operate.

Since the cut wire 300 is fixed by the wire support part 700 and the wall surface of the wire box 800, it is possible to prevent the stage apparatus from falling.

By this configuration, looking at the process of operating the brake for the stage device lifting apparatus according to an embodiment of the present invention.

As shown in FIG. 3B, before the stage apparatus such as a lighting lamp is mounted on the lifting body 200, the first member 720 and the second member 730 of the wire support part 700 are opened in a V-shaped wire box ( 800 is in contact with the wall. The wire is interposed between the first member 720, the second member 730 and the wall surface of the wire box 800 in contact with them, but the wire is not compressed, so the lifting operation of the lifting device for the stage is not a problem. It works.

As shown in FIG. 3A, when a stage device such as a lighting lamp is mounted on the lifting body 200, the first member 720 and the second member 730 are pulled out by the tensile force of the wire 300 according to the load. It is folded into a narrower V shape than in the case of FIG. 3B. Since the wire 300 is in contact with only the rotation shaft 710 and the rollers 725 and 735, the wire 300 is smoothly operated without any problem in the lifting operation. In this case, the first member 720 and the second member 730 do not crimp the wire 300 on the wall surface of the wire box 800.

Next, as shown in FIG. 3C, when the wire 300 of either the first member 720 or the second member 730 is cut, the binding force applied to the spring is released and the wire 300 is released. Members 720 and 730 located in the cut portion are opened to contact the wire 300, and then slide by the frictional force with the wire 300, and further expands in the horizontal direction to squeeze the wire 300 to the wall surface of the wire box 800 Support to hold the cut wire 300.

By such a configuration, the brake for the stage device lifting apparatus according to the embodiment of the present invention, when the wire 300 on the lifting body 200 side is cut, to securely hold the wire 300 to prevent the stage device from falling. There is an advantage.

Brake for the stage device lift apparatus according to the present invention is generally composed of a structure that is coupled to the lower lifting body 200 using the fastener 820, as shown in Figure 3a to 3c, such as improved durability It is also possible to use the structure integrally coupled to the lifting body 200 for the purpose.

Figure 4 is a state diagram for use in the form used in a large stage apparatus by combining a plurality of brakes for the stage equipment lifting apparatus according to the present invention.

As shown in the figure, in the case of a large stage device, a plurality of lights or large curtains are configured to be suspended on a frame. In the case of the existing structure as described above, when the wire 300 is disconnected, the force supporting the cut part is completely disappeared, so the load applied to the remaining wire 300 increases by that much, which may cause additional cutting accidents. In this case, even if one wire 300 is broken, after the braking operation is performed, the remaining portion of the broken wire 300 supports the device first, so that the load is applied to the remaining wires 300 until the repair is made. There is an advantage that can be prevented.

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 brake for a stage device lifting apparatus according to an embodiment of the present invention;

Figure 2 is a perspective view showing a state of the wire support of the brake for the stage device lift apparatus of Figure 1,

Figure 3a is a front view showing the appearance of the wire support when the wire of the stage device lifting apparatus of Figure 1 is normally operated, the light is mounted on the lifting body,

Figure 3b is a front view showing the appearance of the wire support when the wire of the stage device lifting apparatus of Figure 1 is normally operated, the lamp is not mounted on the lifting body,

Figure 3c is a front view showing the state of the wire support when the wire of the stage device lifting apparatus of Figure 1 is cut.

Figure 4 is a perspective view showing another embodiment of the brake for the stage device lift apparatus according to the present invention.

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

100: main body 200: lifting body

300: wire 400: driving means

440: fluid roller 450: winding drum

700: wire support 710: rotating shaft

720: first member 730: second member

725, 735 roller 800 wire box

Claims (3)

In the brake for the stage equipment lifting device for lifting up and down the lifting body 200 mounted on the stage equipment as the wire 300 is released or wound, A wire box 800 mounted to the lifting body 200; And A first member 720 and a second member 730 hinged to the wire box 800 so that an upper side thereof is in contact with and spaced apart from the inner wall of the wire box 800; and the first member 720 and the second member. A wire having elastic means 740 for applying an elastic force to the first member 720 and the second member 730 in a direction in which the upper sides of the member 730 are far from each other and in close contact with the inner wall of the wire box 800. It includes a support 700, One end of the wire 300 extends downward and extends upward after covering a surface facing the inner wall of the wire box 800 among the outer surfaces of the first member 720 and the second member 730. Normally, the upper side of the first member 720 and the second member 730 is rotated toward each other by the tension of the wire 300 according to the load of the stage device mounted on the lifting body 200. The wire 300 is spaced apart from the inner wall of the wire box 800, When the wire 300 is cut, the members 720 and 730, which are located at a portion where the wire 300 is cut out of the first member 720 and the second member 730, are separated to form the wire 300. Brake for a stage apparatus lift apparatus characterized in that the pressing on the inner wall of the box (800). The method of claim 1, The wire support part 700 further includes a rotating shaft 710 coupled to be capable of rotating only at one point in the wire box 800, The first member 720 and the second member 730 is mounted so that the rotating shaft 710 penetrates the lower side, the stage device, characterized in that configured to be rotatable around the central axis of the rotating shaft 710 Brake for hoists. The method of claim 2, The wire support part 700 further includes rollers 725 and 735 mounted on the upper side of the first member 720 and the second member 730, The wire 300 is a brake for a stage device lift device, characterized in that is mounted so as to span the roller (724, 735) and the rotating shaft (710).

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