KR100859180B1 - Device for elevating the hanger of stage setting - Google Patents

Abstract

A lift of a hanger for a stage setting is provided to reduce costs for installation and maintenance by constructing a drum power transmission unit including an electric clutch to be installed on each drum driving shaft one by one. A lift of a hanger for a stage setting includes a supporting frame(11). The supporting frame is installed on an upper part of the stage setting. A tow wire(12) is coupled to a hanger(201). Three wire drums(13) are installed on the supporting frame and wind the tow wire. A pulley(14) is installed on the supporting frame and guides the tow wire for lifting the hanger. A reversible motor(15) and a reducer(16) are installed on the supporting frame. A reducer power transmission(30) is interposed between the reversible motor and the reducer and transmits power from the reversible motor to the reducer. A drum power transmission(40) is interposed between the reducer and the wire drums and transmits power from the reducer to each of the wire drums.

Description

Device for Elevating the Hanger of Stage Setting}

1 is a rear view of a rack lifting device for a stage device according to an embodiment of the present invention;

Figure 2 is a plan view of the rack lifting device for a stage apparatus according to an embodiment of the present invention,

Figure 3 is a side view of the rack lifting device for a stage device according to an embodiment of the present invention,

4 is an essential part perspective view of the stationary motor region shown in FIG. 1;

5 is an electrical connection diagram of the lifting device for the stage rack according to an embodiment of the present invention,

Figure 6 is an operating state of the stage device lifting device for stage according to an embodiment of the present invention,

Figure 7 is a rear view of the rack lifting device for stage according to another embodiment of the present invention,

Figure 8 is a plan view of the main portion of the rack lifting device for stage according to another embodiment of the present invention,

9 is a plan view of a hanger lift apparatus for a conventional stage device;

Figure 10 is a side view of a conventional rack stand lifting apparatus for stage equipment;

FIG. 11 is an essential part perspective view of the stationary motor region shown in FIG. 9; FIG.

12 is an electrical connection diagram of a conventional stand-up device for a stage device.

Explanation of symbols on the main parts of the drawings

11,111: support frame 12, 112: tow wire

13, 113: wire drum 14, 114: pulley

15, 115: forward and reverse motor 16, 116: reducer

17: guide rail 18: auxiliary station motor

19: auxiliary reducer 30, 130: reducer power transmission unit

40, 140: drum power transmission unit 41, 141: drive shaft

42: drum drive shaft 46: electromagnetic clutch

47: electronic brake 50: auxiliary deceleration power transmission unit

60, 60 ': auxiliary drum power transmission unit 61': auxiliary drive shaft

The present invention relates to a stage rack lifting apparatus for a stage apparatus, and relates to a device used to lift a sculpture rack coupled with a sculpture for installing a background, such as a performance stage.

In the case of various stage performances such as plays and dances, various types of backgrounds should be set according to the stage of performance.To this end, a method of combining a background forming piece with a sculpture rack and lifting a sculpture rack combined with the sculpture is adopted. have.

Fig. 9 is a plan view of a conventional rack stand lifting device for a stage device, Fig. 10 is a side view of a hook stand lifting device for a conventional stage device, Fig. 11 is a main part perspective view of the stationary motor region shown in Fig. 9, and Fig. 12 is a conventional stage. This is a diagram of the electrical connection of the lifting device for the rack.

As shown in these drawings, the conventional hanger elevating device for the stage device includes a support frame 111 installed on the upper side of the stage, a towing wire 112 having one end coupled to a predetermined hanger 201, and a support frame. Three wire drums 113, the pulley 114, the stationary motor 115 and the reducer 116 provided in the (111) and the reducer power transmission unit 130 interposed between the stationary motor 115 and the reducer 116. ), A drum power transmission unit 140 interposed between the reducer 116 and the wire drum 113, and an operation panel 171 having a button for opening and closing an electrical connection with the driving voltage power source 172. .

A plurality of towing wires 112 are wound around each wire drum 113, and the towing wires wound around the same wire drum are coupled to the same sculpture rack 201.

Each of the wire drums 113 has a plurality of wire guide grooves formed therein so that a plurality of towing wires can be wound, and are coupled to each of the driving shafts 141 to be described later. For convenience of explanation, each of the three wire drums 113 will be referred to as 113a, 113b, and 113c.

Accordingly, each wire drum 113 can be wound around the towing wire 112 by the rotation operation.

Pulley 114 is installed to correspond to each tow wire 112 one-to-one.

Accordingly, the pulley 114 is able to guide the towing wire 112 so that the sculpture hanger 201 is elevated during the rotational movement of the wire drum 113.

The stationary motor 115 and the reducer 116 are respectively installed to correspond to the wire drum 113. For convenience of explanation, the three forward and reverse motors 115 will be referred to as 115a, 115b, and 115c.

The reducer power transmission unit 130 has a forward and reverse motor pulley 131 coupled to the motor shaft of each forward and reverse motor 115, a reducer pulley 132 coupled to an input shaft of each reducer 116, and each forward and reverse motor pulley ( 131 and a reducer power transmission belt 133 provided to connect each reducer pulley 132.

Accordingly, the speed reducer power transmission unit 130 may transmit the rotational force of the stationary motor 115 to the speed reducer 116.

The drum power transmission unit 140 is configured to include three drive shafts 141 installed on the support frame 111 to be coupled to the output shaft of the reducer 116.

Each drive shaft 141 is coupled to an output shaft of each reduction gear 116 through a coupling 149 and is directly connected to each of the wire drums 113.

Each drive shaft 141 is installed on the support frame 111 to be supported by the bearing 148.

By the drum power transmission unit 140 having the above-described configuration, the rotational force of each reducer 116 may be transmitted to each wire drum 113.

The operation panel 171 includes the motor 1 forward button 171a, the motor 2 forward button 171b, the motor 3 forward button 171c, the motor 1 reverse button 171d, the motor 2 reverse button 171e, and the motor 3 reverse button. Has 171f.

An electrical connection method between the operation panel 171 and the stationary motor 115 is as follows (see FIG. 12).

The motor 1 forward button 171a, the motor 2 forward button 171b and the motor 3 forward button 171c are electrically connected between the driving voltage power source 172 and the forward and reverse motor 115 in a normal off state, respectively. Doing.

The motor 1 reverse button 171d, the motor 2 reverse button 171e, and the motor 3 reverse button 171f are electrically connected between the driving voltage power source 172 and the reverse motor 115 in a normal off state, respectively. Doing.

Referring to the operation of the conventional stage stand lifting device having such a configuration as follows. For convenience of description, it is assumed that the sculpture hanger 201 is coupled to the sculpture necessary for the stage performance, and the sculpture hanger 201 is in an ascending position.

First select the hanging hanger 201 to be lowered. For convenience of explanation, it is assumed that the hanging rack 201 corresponding to the wire drum 1 113a is lowered.

Next, the motor 1 forward button 171a is operated to rotate the forward and reverse motor 115a in the forward direction.

When the forward and reverse motor 115a rotates in the forward direction, the molding rack 201 corresponding to the wire drum 1 113a descends toward the ground.

When the sculpture hanger 201 corresponding to the wire drum 1 113a reaches a preset lowering position, the driving voltage supplied to the stationary motor 115a is cut off.

On the other hand, after the stage performance is finished, when you want to raise the sculpture hanger 201 corresponding to the wire drum 1 (113a) to operate the motor 1 reverse button (171d).

When the motor 1 reverse direction button 171d is operated, the forward and reverse motor 115a rotates in the reverse direction, and the molding hanger 201 corresponding to the wire drum 1 113a rises from the ground.

When the metal hanger 201 corresponding to the wire drum 1 113a reaches a preset rising position, the driving voltage supplied to the forward and reverse motor 115a is cut off.

On the other hand, when lifting the plurality of racks 201 at the same time, any one of the motor 2 forward button (171b) corresponding to the wire drum 2 (113b) and the motor 3 forward button (171c) corresponding to the wire drum 3 (113c) Operate one or both.

By the way, according to the conventional hanger lifting device for the stage device, because the stationary motor 115 and the reduction gear 116 to be installed in one-to-one for each wire drum 113, the installation cost and maintenance cost increases and space utilization There was a problem of being lowered.

And since the stationary motor 115 and the reducer 116 are installed in one-to-one with respect to each wire drum 113, the operation is inconvenient and noise increases when attempting to elevate the plurality of metal hangers 201 at the same time. There was this.

Accordingly, it is an object of the present invention to provide a rack stand lift apparatus for a stage device that allows a plurality of sculpture racks to be lifted and lowered using one stationary motor and one speed reducer.

The object is, according to the present invention, a support frame installed on the upper side of the stage, a towing wire, one end is coupled to a predetermined hanging rack, a plurality of wire drums installed on the support frame to wind the towing wire, A pulley installed on the support frame and guiding the pull wire to lift and lower the sculpture hanger during the rotational movement of the wire drum, a stationary motor and a reducer installed on the support frame, and interposed between the stationary motor and the reducer. To a stage lift apparatus for a stage device having a speed reducer power transmission unit for transmitting the rotational force of the stationary motor to the reducer, and a drum power transmission unit for transmitting the rotational force of the reducer to the respective wire drums between the reducer and the wire drum. The support for driving the drum power transmission unit is coupled to the output shaft of the reduction gear. A drive shaft provided in the frame, a drum drive shaft coupled to each of the wire drums one by one to be parallel to the drive shaft, a clutch provided at each of the drum drive shafts, and a brake provided at each of the drum drive shafts; Each of the wire drums is achieved by a hanger lifting device for a stage device, characterized in that coupled to each of the drum drive shaft.

Here, a linear guide rail installed on the support frame to be parallel to the drive shaft from the upper side of the drive shaft so as to pre-lift the stationary stand with respect to the forward and reverse motor, the auxiliary stationary motor installed to move along the guide rail and An auxiliary reducer, an auxiliary reducer power transmission unit for transmitting a rotational force of the auxiliary reverse motor to the auxiliary reducer, interposed between the auxiliary reverse motor and the auxiliary reducer, and the auxiliary reducer interposed between the auxiliary reducer and the drum drive shaft. Further comprising an auxiliary drum power transmission unit for transmitting the rotational force of the drum drive shaft or the auxiliary stationary motor and the auxiliary reducer installed in the support frame on the upper side of the stationary motor, interposed between the auxiliary stationary motor and the auxiliary reducer The rotational force of the auxiliary stationary motor is transmitted to the auxiliary reducer. An auxiliary drum for transmitting the rotational force of the auxiliary reducer to the drum drive shaft with an auxiliary reduction gear power transmission unit and an auxiliary drive shaft installed in the support frame so as to be coupled to the output shaft of the auxiliary reducer in parallel with the drive shaft from an upper side of the drive shaft. It is preferable to comprise the power transmission unit.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

Figure 1 is a rear view of the stage rack lifting apparatus according to an embodiment of the present invention, Figure 2 is a plan view of the stage rack lifting apparatus according to an embodiment of the present invention, Figure 3 is an embodiment of the present invention 4 is a side view of the stationary lifting device for the stage device according to the present invention, FIG. 4 is a main perspective view of the stationary motor region shown in FIG. 1, and FIG. 5 is an electrical connection diagram of the stage device lifting device for the stage device according to the embodiment of the present invention.

In accordance with an embodiment of the present invention, as shown in these drawings, the lifting rack lifting apparatus for the stage apparatus includes a support frame 11 installed on the upper side of the stage, and one end of the towing wire coupled to a predetermined hanger 201 ( 12), three wire drums 13, pulleys 14, stationary motors 15, reducers 16, guide rails 17, auxiliary stationary motors 18 and auxiliary reducers provided on the support frame 11; 19, the reducer power transmission unit 30 interposed between the stationary motor 15 and the reducer 16, and the drum power transmission unit 40 interposed between the reducer 16 and the wire drum 13; , An auxiliary reduction power transmission unit 50 interposed between the auxiliary stationary motor 18 and the auxiliary reduction gear 19, and an auxiliary drum power transmission unit interposed between the auxiliary reduction gear 19 and the drum drive shaft 42. And an operation panel 71 in which a button for opening and closing an electrical connection with the driving voltage power source 72 is formed.

A plurality of towing wires 12 are wound around each wire drum 13, and the towing wires wound around the same wire drum are coupled to the same sculpture rack 201.

Each of the wire drums 13 has a plurality of wire guide grooves formed therein so that a plurality of towing wires can be wound, and are coupled to each drum driving shaft 42 to be described later. For convenience of explanation, the three wire drums 13 will be referred to as 13a, 13b, and 13c, respectively.

Accordingly, each wire drum 13 can be wound around the traction wire 12 by the rotation operation.

The pulleys 14 are provided to correspond to the towing wires 12 one-to-one.

Accordingly, the pulley 14 is able to guide the traction wire 12 to raise and lower the rack 201 during the rotational movement of the wire drum (13).

The guide rail 17 is installed on the support frame 11 to be parallel to the drive shaft 41 above the drive shaft 41.

The auxiliary reducer 19 is installed on the guide rail 17 through a guide frame 20 having a guide groove (not shown) corresponding to the guide rail 17.

The auxiliary stationary motor 18 is installed to be supported by the guide frame 20 at the rear of the auxiliary reducer 19.

Accordingly, the auxiliary stationary motor 18 and the auxiliary reducer 19 can move along the guide rail 17.

The reducer power transmission unit 30 includes a reverse motor pulley 31 coupled to a motor shaft of the reverse motor 15, a reducer pulley 32 coupled to an input shaft of the reducer 16, and a reverse motor pulley 31. It has the reducer motive power transmission belt 33 provided so that the reducer pulley 32 may be connected.

Accordingly, the speed reducer power transmission unit 30 can transmit the rotational force of the stationary motor 15 to the speed reducer 16.

The drum power transmission unit 40 includes a drive shaft 41 installed on the support frame 11 to be coupled to the output shaft of the reducer 16, and a drum drive shaft coupled to one of the wire drums 13 one by one so as to be parallel to the drive shaft 41. 42, three drive shaft pulleys 43 coupled to the drive shaft 41, three drum drive shaft pulleys 44 coupled to the drum drive shaft 42, each drive shaft pulley 43, and each drum drive shaft pulley ( And three drum power transmission belts 45 provided to connect 44, and an electromagnetic clutch 46 and an electromagnetic brake 47 provided on each drum drive shaft 42 one by one.

The drive shaft 41 is coupled to the output shaft of the reducer 16 via a coupling 49.

The drive shaft 41 is installed on the support frame 11 so as to be supported by the bearing 48.

The drum drive shaft 42 includes a moving shaft portion 42a to which a moving amateur (not shown) of the electromagnetic clutch 46 is coupled to one end, a coil portion (not shown) and a fixed amateur (not shown) of the electromagnetic clutch 46. Is divided into a fixed shaft portion (42b) is coupled.

The drum drive shaft 42 having such a configuration is installed in the support frame 11 so that the moving shaft portion 42a and the fixed shaft portion 42b are supported through the bearing 48, respectively.

The electromagnetic clutch 46 is a fixed amateur (not shown) and a moving amateur (not shown) which mutually approach each other by magnetic force when electricity is supplied to the clutch coil portion 46d and the clutch coil portion 46d as is known in the art. It can be configured to have.

The electromagnetic clutch 46 having such a configuration is coupled to each other by a tooth coupling or a tooth coupling when the fixed amateur and the moving amateur approach, and thus the movable shaft portion 42a and the fixed shaft portion 42b can rotate together. Will be. For convenience of explanation, the three electronic clutches 46 will be referred to as 46a, 46b, and 46c, respectively.

The electromagnetic brake 47 is coupled to the moving shaft portion 42a, and fixed brakes which mutually approach each other by magnetic force when electricity is supplied to the brake coil portion (not shown) and the brake coil portion (not shown), as is known in the art. It may be configured to have a shoe (not shown) and a moving brake shoe (not shown).

The electromagnetic brake 47 having such a configuration generates a friction force between the moving shaft portion 42a when the fixed brake shoe and the moving brake shoe approach each other, thereby stopping the rotation operation of the drum drive shaft 42. The electronic brake 47 performs a function of improving the accuracy of the rising position or the falling position of the sculpture rack 201. For convenience of explanation, the three electronic brakes 47 will be referred to as 47a, 47b, and 47c, respectively.

The rotational force of the speed reducer 16 may be transmitted to each wire drum 13 by the drum power transmission unit 40 having the above-described configuration.

The auxiliary deceleration motive power transmission unit 50 includes an auxiliary stationary motor pulley 51 coupled to the motor shaft of the auxiliary stationary motor 18, an auxiliary reducer pulley 52 coupled to an input shaft of the auxiliary reducer 19, and an auxiliary stationary region. It has an auxiliary deceleration motive power transmission belt 53 provided to connect the motor pulley 51 and the auxiliary reducer pulley 52.

Accordingly, the auxiliary deceleration motive power transmission unit 50 can transmit the rotational force of the auxiliary stationary motor 18 to the auxiliary decelerator 19.

The auxiliary drum power transmission unit 60 is provided to selectively connect the auxiliary drum drive shaft pulley 61 coupled to the output shaft of the auxiliary reducer 19 and the auxiliary drum drive shaft pulley 61 and each drum drive shaft pulley 44. It has a drum power transmission belt 62.

Accordingly, the auxiliary drum power transmission unit 60 can selectively transmit the rotational force of the auxiliary reducer 19 to the drum drive shaft 42.

The operation panel 71 includes the forward button 71a, the reverse button 71b, the auxiliary forward button 71c, the auxiliary reverse button 71d, the drum 1 clutch button 71e, the drum 2 clutch button 71f, and the drum 3 The clutch button 71g, the drum 1 brake button 71h, the drum 2 brake button 71i and the drum 3 brake button 71j are provided.

The electrical connection method between the operation panel 71 and the stationary motor 15 is as follows (see FIG. 5).

The forward button 71a and the reverse button 71b are electrically connected between the driving voltage power source 72 and the stationary motor 15 in the normal off state, respectively.

The auxiliary forward button 71c and the auxiliary reverse direction button 71d are electrically connected between the driving voltage power source 72 and the auxiliary reverse motor 18 in a normal off state, respectively.

The drum 1 clutch button 71e, the drum 2 clutch button 71f, and the drum 3 clutch button 71g are electrically connected between the driving voltage power supply 72 and the clutch coil portion 46d in a normal off state, respectively. Is connecting.

The drum 1 brake button 71h, the drum 2 brake button 71i, and the drum 3 brake button 71j are respectively in a normal off state between the driving voltage power source 72 and the brake coil portion (not shown). It is electrically connected.

The driving voltage power source 72 is implemented to supply voltages to the stationary motor 15, the auxiliary stationary motor 18, the electromagnetic clutch 46, and the electromagnetic brake 47, respectively.

Referring to FIG. 6, the operation of the rack apparatus for the stage apparatus according to the embodiment of the present invention having such a configuration will be described below. For convenience of description, it is assumed that the sculpture hanger 201 is coupled to the sculpture necessary for the stage performance, and the sculpture hanger 201 is in an ascending position.

First select the hanging hanger 201 to be lowered. For convenience of explanation, it is assumed that the hanging rack 201 corresponding to the wire drum 1 (13a) is lowered.

Next, the drum 1 clutch button 71e is operated to operate the electromagnetic clutch 46a corresponding to the wire drum 1 13a.

Next, the forward and reverse motors 15 are rotated in the forward direction by operating the forward direction button 71a.

When the stationary motor 15 rotates in the forward direction, the molding rack 201 corresponding to the wire drum 1 (13a) is lowered toward the ground.

When the sculpture hanger 201 corresponding to the wire drum 1 (13a) reaches the preset lowering position, the driving voltage supplied to the forward and reverse motor 15 is cut off. Here, the blocking operation of the driving voltage supplied to the stationary motor 15 is the stationary motor 15 and the driving voltage power supply 72 when the sculpture rack 201 corresponding to the wire drum 1 (13a) reaches the preset falling position. The limit switch may be installed to cut off the electrical connection between the devices, or may be implemented using the technique disclosed in Utility Model Registration No. 14561 (designated name: lifting wire winding device for stage equipment) in 1992.

Then, the drum 1 brake button 71h is operated when the metal rack 201 corresponding to the wire drum 1 (13a) reaches the preset lowering position.

On the other hand, when the stage hanger 201 corresponding to the wire drum 1 (13a) is to be raised after the stage performance is completed, the operation of the reverse button 71b is canceled after releasing the operation state of the drum 1 brake button 71h.

When the reverse button 71b is operated, the stationary motor 15 rotates in the reverse direction, so that the rack 201 corresponding to the wire drum 1 (13a) rises from the ground.

When the metal hanger 201 corresponding to the wire drum 1 (13a) reaches the preset rising position, the driving voltage supplied to the stationary motor 15 is cut off. Here, the operation of blocking the driving voltage supplied to the stationary motor 15 may be implemented in the same manner as in the case in which the holder 201 reaches a preset falling position.

The drum 1 brake button 71h is operated when the metal rack 201 corresponding to the wire drum 1 (13a) reaches the preset lift position.

On the other hand, in order to raise and lower the plurality of racks 201 at the same time, the drum 2 clutch button 71f corresponding to the wire drum 2 (13b) and the drum 3 clutch button 71g corresponding to the wire drum 2 (13c) Either one or both is further operated to further operate the electronic clutch 46b or the electronic clutch 46c, and then the forward button 71a is operated.

On the other hand, when the lifting operation of the molding rack 201 through the drum power transmission unit 40 is not possible due to the failure of the stationary motor 15, the molding rack 201 corresponding to the wire drum 1 (13a) is as follows. ) Can be elevated.

That is, after the auxiliary drum drive shaft pulley 61 moves the auxiliary stationary motor 18 and the auxiliary reducer 19 along the guide rails 17 so as to face the drive shaft pulley 43 corresponding to the wire drum 1 (13a). (See Fig. 6), the auxiliary stationary motor 18 and the auxiliary reducer 19 are constrained to the moving position by using a position fixing means such as a pin.

Then, the auxiliary drum drive shaft pulley 61 and the drive shaft pulley 43 are connected to the auxiliary drum power transmission belt 62.

Next, the drum 1 clutch button 71e is operated to operate the electromagnetic clutch 46a corresponding to the wire drum 1 13a.

Next, the auxiliary forward / backward motor 71 is rotated in the forward direction by operating the auxiliary forward button 71c.

When the auxiliary stationary motor 18 rotates in the forward direction, the molding rack 201 corresponding to the wire drum 1 (13a) is lowered toward the ground.

When the sculpture hanger 201 corresponding to the wire drum 1 (13a) reaches the preset falling position, the driving voltage supplied to the auxiliary stationary motor 18 is cut off. Here, the operation of blocking the driving voltage supplied to the auxiliary stationary motor 18 may be implemented in the same manner as in the case of the stationary motor 15.

Then, the drum 1 brake button 71h is operated when the metal rack 201 corresponding to the wire drum 1 (13a) reaches the preset lowering position.

On the other hand, when the stage hanger 201 corresponding to the wire drum 1 (13a) is to be raised after the stage performance is finished, the operation state of the auxiliary reverse direction button 71d is canceled after releasing the operation state of the drum 1 brake button 71h. .

When the auxiliary reverse direction button 71d is operated, the auxiliary reverse motor 18 rotates in the reverse direction, so that the molding hanger 201 corresponding to the wire drum 1 13a is raised from the ground.

When the metal hanger 201 corresponding to the wire drum 1 (13a) reaches the preset rising position, the driving voltage supplied to the auxiliary stationary motor 18 is cut off. Here, the operation of blocking the driving voltage supplied to the auxiliary stationary motor 18 may be implemented in the same manner as in the case of the stationary motor 15.

The drum 1 brake button 71h is operated when the metal rack 201 corresponding to the wire drum 1 (13a) reaches the preset lift position.

Meanwhile, in the above-described embodiment, the auxiliary drum power transmission unit 60 is configured such that the rotational force of the auxiliary reducer 19 is selectively transmitted to one of the wire drums 13, but as shown in FIG. The present invention can be implemented by configuring the auxiliary drum power transmission unit 60 so that the rotational force of 19 can be simultaneously transmitted to all of the wire drums 13.

Figure 7 is a rear view of the rack lifting device for a stage device according to another embodiment of the present invention, Figure 8 is a plan view of the main portion of the rack lifting device for a stage device according to another embodiment of the present invention.

The stage rack lifting device for a stage device according to another embodiment of the present invention is the same as the stage rack lifting device for a stage device according to an embodiment of the present invention except for the auxiliary drum power transmission unit 60 as shown in these drawings. Has a configuration 7 and 8 are shown using the same name and number for the components having the same function as the rack-mounted lifting device for the stage device according to an embodiment of the present invention.

Auxiliary drum power transmission unit 60 'of the stage rack lifting apparatus according to another embodiment of the present invention is the auxiliary drive shaft 61' installed on the support frame 11 and coupled to the output shaft of the auxiliary reducer 19, and auxiliary Three auxiliary drive shaft pulleys 62 'coupled to the drive shaft 61', three auxiliary drum drive shaft pulleys 63 'coupled to the drum drive shaft 42, each auxiliary drive shaft pulley 62', and each auxiliary It has three auxiliary drum power transmission belts 64 'installed to connect the drum drive shaft pulley 63'.

The auxiliary drive shaft 61 'is coupled to the output shaft of the auxiliary reducer 19 via a coupling.

In addition, the auxiliary drive shaft 61 ′ is installed on the support frame 11 so as to be supported by the bearing 48.

The rotational force of the auxiliary reducer 19 may be transmitted to each wire drum 13 by the auxiliary drum power transmission unit 60 ′ having the above-described configuration.

Hook stage elevating device for a stage device according to another embodiment of the present invention having such a configuration when the lifting operation of the build-up rack 201 through the drum power transmission unit 40 is not possible due to the failure of the stationary motor 15, the wire Except for connecting the auxiliary drive shaft pulley 62 'corresponding to the drum 1 13a and the auxiliary drum drive shaft pulley 63' corresponding to the wire drum 1 13a with the auxiliary drum power transmission belt 64 '. It operates in the same manner as the stage rack lifting apparatus for the stage apparatus according to the embodiment of the present invention (but the drive shaft disengages the coupling and separates it from the reducer).

As described above, according to the embodiment of the present invention, the drive shaft 41 is installed on the support frame 11 to install one forward and reverse motor 15 and one reducer 16 and to be coupled to the output shaft of the reducer 16; By configuring the drum power transmission unit 40 to include a drum driving shaft 42 coupled to each of the wire drums 13 one by one to the drive shaft 41 and an electromagnetic clutch 46 installed on each of the drum driving shafts 42. In addition, installation costs and maintenance costs (including power consumption) can be reduced and space utilization can be increased.

In addition, when the plurality of molding racks 201 are raised and lowered simultaneously, the operation is easy (the driving operation of the stationary motor is performed once), and the noise can be significantly reduced.

In addition, by adding the auxiliary stationary motor 18, the auxiliary reducer 19 and the auxiliary deceleration power transmission unit 50, it is possible to raise and lower the sculpture rack 201 with respect to the stationary motor 15.

Therefore, according to the present invention, instead of installing one stationary motor and one reducer one by one, the drive shaft coupled to the drive shaft and the drive shaft coupled to the output shaft of the reducer and the drum drive shaft coupled to each of the wire drum one by one and the electronic clutch installed one on each drum drive shaft By constructing the drum power transmission unit to include, installation cost and maintenance cost (including power consumption) can be reduced, space utilization can be increased, and the operation is easy and noise is significantly reduced when lifting multiple racks at the same time.

Claims (3)

delete A support frame installed on the upper side of the stage, a tow wire having one end coupled to a predetermined hanger rack, a plurality of wire drums installed on the support frame to wind the tow wire, and the wire drum installed on the support frame A pulley for guiding the traction wire so that the sculpture hanger moves up and down during the rotational movement of the stationary frame, and the stationary motor and the speed reducer installed in the support frame and the stationary motor and the speed reducer are transmitted to the speed reducer. In the hanger lift apparatus for a stage device having a reducer power transmission unit and a drum power transmission unit for transmitting the rotational force of the reducer to each of the wire drum interposed between the reducer and the wire drum, The drum power transmission unit includes a drive shaft installed on the support frame so as to be coupled to the output shaft of the reducer, a drum drive shaft coupled to each of the wire drums one by one to be parallel to the drive shaft, a clutch installed on each drum drive shaft, and each drum. A brake installed one by one on the drive shaft; Each wire drum is coupled to each of the drum drive shafts one by one; A linear guide rail installed in the support frame parallel to the drive shaft from the upper side of the drive shaft, an auxiliary stationary motor and an auxiliary reducer installed to move along the guide rail, and interposed between the auxiliary stationary motor and the auxiliary reducer. And an auxiliary deceleration driving force transmission unit for transmitting the rotational force of the auxiliary stationary motor to the auxiliary reduction gear, and an auxiliary drum power transmission unit for transmitting the rotational force of the auxiliary reduction gear to the drum driving shaft between the auxiliary reduction gear and the drum driving shaft. Hook lifting device for a stage device, characterized in that. A support frame installed on the upper side of the stage, a tow wire having one end coupled to a predetermined hanger rack, a plurality of wire drums installed on the support frame to wind the tow wire, and the wire drum installed on the support frame A pulley for guiding the traction wire so that the sculpture hanger moves up and down during the rotational movement of the stationary frame, and the stationary motor and the speed reducer installed in the support frame and the stationary motor and the speed reducer are transmitted to the speed reducer. In the hanger lift apparatus for a stage device having a reducer power transmission unit and a drum power transmission unit for transmitting the rotational force of the reducer to each of the wire drum interposed between the reducer and the wire drum, The drum power transmission unit includes a drive shaft installed on the support frame so as to be coupled to the output shaft of the reducer, a drum drive shaft coupled to each of the wire drums one by one to be parallel to the drive shaft, a clutch installed on each drum drive shaft, and each drum. A brake installed one by one on the drive shaft; Each wire drum is coupled to each of the drum drive shafts one by one; An auxiliary deceleration motor and an auxiliary reducer installed on the support frame on the upper side of the stationary motor, and an auxiliary deceleration motive power transmission unit which transmits the rotational force of the auxiliary stationary motor to the auxiliary reducer through the auxiliary stationary motor and the auxiliary reducer; And an auxiliary drum power transmission unit for transmitting the rotational force of the auxiliary reducer to the drum drive shaft with an auxiliary drive shaft installed in the support frame to be coupled to the output shaft of the auxiliary reducer in a state parallel to the drive shaft on an upper side of the drive shaft. Hanger lifting device for stage equipment.

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