KR102322986B1 - Lifting apparatus for stage equipment - Google Patents

Abstract

The present invention discloses a safe lifting apparatus for stage equipment. The disclosed safe lifting apparatus for stage equipment comprises: a frame installed on a ceiling of a building; a wire winding part arranged on the frame to wind a lifting wire while moving in a straight line on the frame by rotation; and a wire guiding pulley part arranged on the frame to be able to rotate so that the wire guiding pulley part can be placed below the wire winding part, and guiding the winding or unwinding of the lifting wire by rotation. Therefore, the present invention can maintain the rotation and movement of a winding drum, which moves in a lengthwise direction while winding the lifting wire, to be stable, and provide a wire guiding pulley, which guides the lifting wire to the winding drum, in a rotating manner, thereby winding and unwinding the lifting wire smoothly and stably.

Description

Safety-type stage equipment elevating device {LIFTING APPARATUS FOR STAGE EQUIPMENT}

The present invention relates to a safety-type stage equipment lifting device, and more particularly, a wire guide that can stably maintain the rotation and movement of a winding drum moving in the longitudinal direction while winding the lifting wire, and guide the lifting wire to the winding drum It relates to a safety-type stage equipment hoisting device that provides a rotatable pulley to smoothly and stably take up and unwind a lifting wire.

In general, various stage equipment is installed on a stage and ceiling in order to produce various performances during a performance. For example, various types of facilities used on a stage, that is, a lifting device, which is a mechanical device for raising and lowering a stage facility, are applied in various forms to a performance hall.

In addition, among the stage equipment, the lighting equipment for stage lighting is installed on the ceiling of the performance hall, and is raised from the ceiling according to the performance situation. At this time, the barton portion in which the lighting device is installed is raised and lowered by the lifting cable wound around the winding drum.

However, the cable elevating device of the prior art as described above has a problem in that the cable pulley for changing the direction of the elevating cable is fixed, so that a lot of noise is generated during operation, and a lot of load is generated on the elevating cable, thereby reducing safety.

Therefore, there is a need to improve it.

On the other hand, domestic registration patent No. 10-0905039 (registration date: June 22, 2009) discloses "integrated stage device", and registered patent No. 10-1566913 (registration date: November 2, 2015) includes "wire rope inflow angle correction and A stage equipment hoisting device including a driving part changing angle function" is disclosed.

The present invention was created by the above necessity, and provides a safety-type stage equipment hoisting device capable of improving operational safety by stably maintaining rotation and movement of a winding drum moving in the longitudinal direction while winding a lifting wire. There is a purpose.

In addition, the present invention provides a wire guide pulley rotatably guiding the elevating wire to the take-up drum, so that the wire guide pulley can be installed on the lower side of the take-up drum to improve space utilization, and reduce wear and significantly reduce operating noise It is another object to provide a safety-type stage equipment hoisting device that can be significantly reduced.

In addition, another object of the present invention is to provide a safety-type stage equipment elevating device capable of preventing a safety accident due to the release of a latch during stage inspection.

In order to achieve the above object, a safety-type stage equipment elevating device according to an aspect of the present invention includes a frame installed on the ceiling of a building, and a wire provided in the frame to wind the elevating wire while moving in a straight line from the frame through rotation It is characterized in that it comprises a winding unit and a wire guide sheave which is rotatably provided on the frame so as to be located below the wire winding unit, and guides winding or unwinding of the elevating wire through rotation.

In addition, in the present invention, the wire winding unit is coupled to be spaced apart from each other through a support bar and slides in the frame, and is rotatably installed on the drum support plate member and the drum support plate member having a driving motor on one side, A winding drum having a winding groove for winding the elevating wire on an outer surface thereof, a sliding guide member provided on the frame to guide the movement of the drum support plate member, and a sliding guide member provided on the frame to contact the winding drum, It characterized in that it comprises a drum movement guide member for moving the rotating winding drum in a straight line.

In addition, in the present invention, the drum movement guide member includes a roller guide bracket coupled to the frame so as to be located below the winding drum, and a guide shaft to contact the winding groove to be movable up and down on the roller guide bracket. It characterized in that it comprises a drum moving guide roller to be installed, and a roller adhesion member provided in the roller guide bracket to elastically support the drum moving guide roller upward.

In addition, in the present invention, the roller attachment member is provided between the guide shaft and the roller guide bracket so that the hinge bolt is coupled to the guide shaft and is vertically movable on the roller guide bracket, and the hinge bolt passes therethrough. It is characterized in that it comprises a spring for elastically supporting the guide shaft.

In addition, the wire winding unit in the present invention, characterized in that it further comprises a drum rotation restraining member provided on the drum support plate member to restrict the rotation of the winding drum during inspection.

In addition, in the present invention, the drum rotation restraining member includes a latch wheel coupled to the winding drum, a latch bracket provided on the drum support plate member, and a rotatably provided on the latch bracket, and the latch wheel is rotated through a latch selectively in contact with the latch; an actuation sensor provided on the latch bracket for generating a stop signal of the drive motor when the latch selectively contacts; and detachably provided on the latch bracket so that the latch wheel comes into contact and a latch support pin for preventing the latch from contacting the actuation sensor.

In addition, in the present invention, the wire guide sheave unit is coupled to the frame by fastening bolts, and includes a hinge bracket having a hinge shaft, and a hinge hole at the bottom so that the hinge shaft passes through the hinge bracket so as to be rotatable on the hinge bracket. A pulley bracket coupled thereto, a guide pulley rotatably coupled to the pulley bracket through a bearing to guide the lifting wire, and a pulley bracket provided on one side of the guide pulley to prevent the lifting wire from being separated It is characterized in that it includes a departure prevention pin.

As described above, in the safety-type stage equipment elevating device according to an aspect of the present invention, unlike the prior art, the winding drum moves in the axial direction according to the winding or unwinding of the elevating wire, so that the elevating wire is prevented from overlapping and operated It has the effect of improving safety.

In addition, in the safety-type stage equipment elevating device according to the present invention, since the wire guide sheave for guiding the elevating wire to the take-up drum is located and rotates below the take-up drum, there is no need to individually adjust the angle of the guide sheave according to the installation position, Since the overall installation width can be reduced, it is possible to improve constructability as well as to improve space efficiency.

In addition, in the safety-type stage equipment lifting device according to the present invention, since the wire guide sheave rotates according to the position of the lifting wire wound or unwound on the winding drum, abrasion of the lifting wire and the wire guide sheave is prevented, and noise is reduced during operation. have a reducing effect.

In addition, the safety-type stage equipment elevating device according to the present invention is provided with a drum rotation restraining member in the wire winding portion, so that it is possible to prevent a safety accident that can be prevented due to malfunction of the winding drum during stage inspection, as well as to restrain the rotation of the drum with a simple structure It has the effect of releasing the constraint of the member.

1 is a front view for explaining a safety-type stage equipment lifting device according to an embodiment of the present invention.
2 is a plan view for explaining a safety-type stage equipment lifting device according to an embodiment of the present invention.
3 is a side view for explaining a safety-type stage equipment elevating device according to an embodiment of the present invention.
4 is an enlarged perspective view of a main part for explaining a drum support plate member and a winding drum according to an embodiment of the present invention.
5 is an enlarged view of main parts for explaining a winding drum and a drum movement guide member according to an embodiment of the present invention.
6 is a perspective view illustrating a drum movement guide member according to an embodiment of the present invention.
7 is an exploded perspective view for explaining a drum movement guide member according to an embodiment of the present invention.
8 is an enlarged view of a main part for explaining a wire guide sheave according to an embodiment of the present invention.
9 is a perspective view for explaining a wire guide sheave according to an embodiment of the present invention.
10 is an exploded perspective view illustrating a wire guide sheave according to an embodiment of the present invention.
11 is a perspective view illustrating an assembly state of a wire guide sheave according to an embodiment of the present invention.
12 is an exploded perspective view for explaining a drum rotation restraining member according to an embodiment of the present invention.
13 is a perspective view for explaining a winding drum restraining state of the drum rotation restraining member according to an embodiment of the present invention.
14 is a side view for explaining a state in which the winding drum restraint of the drum rotation restraining member is released according to an embodiment of the present invention.

Hereinafter, a preferred embodiment of a safety-type stage equipment elevating device according to the present invention will be described with reference to the accompanying drawings. 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 explanation.

In addition, the terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to the intention or custom of the user or operator. Therefore, definitions of these terms should be made based on the content throughout this specification.

Figure 1 is a front view for explaining a safety-type stage equipment lifting device according to an embodiment of the present invention, Figure 2 is a plan view for explaining a safety-type stage equipment lifting device according to an embodiment of the present invention, Figure 3 is this It is a side view for explaining a safety-type stage equipment lifting device according to an embodiment of the present invention, and FIG. 4 is an enlarged perspective view of a main part for explaining a drum support plate member and a winding drum according to an embodiment of the present invention.

In addition, Figure 5 is an enlarged view of the main part for explaining the winding drum and the drum movement guide member according to an embodiment of the present invention, Figure 6 is a perspective view for explaining the drum movement guide member according to an embodiment of the present invention , Figure 7 is an exploded perspective view for explaining a drum movement guide member according to an embodiment of the present invention.

8 is an enlarged view of a main part for explaining a wire guide sheave according to an embodiment of the present invention, FIG. 9 is a perspective view for explaining a wire guide sheave according to an embodiment of the present invention, and FIG. It is an exploded perspective view for explaining a wire guide sheave according to an embodiment of the present invention.

In addition, Figure 11 is a perspective view showing the assembly state of the wire guide sheave according to an embodiment of the present invention, Figure 12 is an exploded perspective view for explaining the drum rotation restraining member according to an embodiment of the present invention, Figure 13 is It is a perspective view for explaining a state of restraint of the winding drum of the drum rotation restraining member according to an embodiment of the present invention, and FIG. am.

1 to 14, the safety-type stage equipment hoisting device 100 according to an embodiment of the present invention is a building so that a barton part (not shown) for installing a stage device such as lighting can be moved up and down. Installed on the ceiling of the, connected to the barton portion through the lifting wire (10), depending on the height adjustment of the barton portion is wound or released the lifting wire (10).

This safety-type stage equipment hoisting device 100 is configured to reduce the overall installation area, for example, the installation width, to prevent wear, and to improve the quality of products such as operation noise.

Specifically, the safety stage equipment lifting device 100 according to the present embodiment includes a frame 110 provided on the ceiling and a wire winding unit provided on the frame 110 to wind up the lifting wire 10 connected to the barton unit. and a wire guide pulley 130 for guiding the elevating wire 10 to the wire winding unit by changing the conveying direction. At this time, the wire guide pulley 130 is installed on the lower side of the wire winding unit 120 to adjust the lifting wire 10 wired in the axial direction of the wire winding unit 120 in the normal direction of the wire winding unit 120 . do.

The frame 110 according to the present embodiment includes a base plate 111 coupled to the ceiling support beam 20 for installation of the wire winding unit 120 , and a base plate for installation of the wire guide sheave unit 130 . A pulley installation plate 113 coupled to the support beam 20 is provided so as to be positioned below the 111 . At this time, a vertical pulley (not shown) for guiding the lifting wire 10 to the wire winding unit 120 is provided on one side of the pulley installation plate 113, and the lifting wire 10 guided to the vertical pulley is attached to the button part. Connected.

In addition, the base plate 111 and the pulley installation plate 113 may be coupled to the support beam 20 through a U-bolt or the like.

The wire winding unit 120 according to the present embodiment is provided on the base plate 111 to wind up or unwind the lifting wire 10 guided by the wire guide sheave 130, and rotate the lifting wire 10 through rotation. When winding or unwinding, the base plate 111 moves in a straight line. Through this, while preventing the elevating wire 10 from overlapping, the elevating wire 10 is stably wound and released.

For example, the wire winding unit 120 includes a drum support plate member 140, a winding drum 150, a sliding guide member 160, a drum movement guide member 170, and a drum rotation restriction member 180, As the winding drum 150 rotates, the drum support plate member 140 , the winding drum 150 , and the drum rotation restraining member 180 reciprocate linearly in the sliding guide member 160 . Here, the drum support plate member 140 and the sliding guide member 160 are respectively installed at both ends of the winding drum 150 .

The drum support plate member 140 is coupled to be spaced apart from each other through the support bar 141 to support both ends of the winding drum 150 in the axial direction, and is coupled to the sliding guide member 160 to support the sliding guide member 160 . slid along The drum support plate member 140 is made to be easily installed.

For example, the drum support plate member 140 includes a side plate bracket 143 coupled to the sliding guide member 160 , and a drum support side plate 145 having a lower end inserted into the side plate bracket 143 and fixed thereto.

The side plate bracket 143 is fixed to the sliding guide member 160 through a bolt, and a fixing groove into which the drum support side plate 145 is inserted is formed, and is coupled to the drum support side plate 145 through a bolt and a nut. The side plate bracket 143 is slid along the sliding guide member 160 .

The drum support side plate 145 is fixed to be spaced apart through the support bar 141 to support both ends of the winding drum 150 , the winding drum 150 is rotatably coupled, and the lower end is fixed to the side plate bracket 143 . do. In addition, a driving motor 147 for driving the winding drum 150 is provided on any one of the drum support side plates 145 among the drum support side plates 145 , and a drum rotation restraining member 180 is provided.

The winding drum 150 according to the present embodiment has rotation shafts coupled to both sides so as to be rotatably coupled to the drum support side plate 145 , and any one rotation shaft is connected to the driving motor 147 . In addition, the winding drum 150 has a winding groove 151 formed on the outer surface so that the lifting wires 10 are wound in a line without overlapping, and the lifting wires 10 are wound in a line along the winding groove portion 151 . At this time, the winding groove portion 151 is formed in a spiral shape so as to be movable in a straight line as the winding drum 150 rotates.

As the winding drum 150 is rotated by the driving motor 147 , it is in contact with the drum movement guide member 170 to be movable in the sliding guide member 160 together with the drum support plate member 140 . In particular, a sliding guide member 160 is inserted into the winding groove portion 151 so that the winding drum 150 is closely kept in contact with the drum movement guide member 170 to move smoothly along the sliding guide member 160 . .

The sliding guide member 160 is provided in an LM guide method and is coupled to the base plate 111 , and the side plate bracket 143 is fixed to the guide block moving along the guide rail.

The drum movement guide member 170 according to this embodiment is fixed to the base plate 111 so as to contact the winding groove 151 of the winding drum 150, and guides the rotating winding drum 150 to move it in a straight line. do.

To this end, the drum movement guide member 170 includes a roller guide bracket 171 coupled to the base plate 111 to be positioned below the winding drum 150 and a roller guide bracket 171 to contact the winding groove portion 151 . and a drum moving guide roller 173 rotatably coupled to the .

In the drum movement guide member 170 , the drum movement guide roller 173 fixed to the base plate 111 is inserted into the winding groove 151 to guide the rotation of the winding drum 150 , so that the winding drum 150 is When rotating, the winding groove portion 151 is gradually linearly moved along the drum movement guide roller 173 . That is, the rotational motion of the winding drum 150 can be converted into a linear motion through the drum moving guide roller 173 .

The roller guide bracket 171 has a roller guide long hole 171a for rotatably coupling the drum movement guide roller 173, and a support plate 171b for installing the roller adhesion member 175 on both sides protrudes. is formed

The drum movement guide roller 173 is rotatably coupled to the guide shaft 173a inserted into the roller guide long hole 171a through a bearing. In addition, the drum moving guide roller 173 has a guide protrusion 173b protruding from its outer surface is inserted into the winding groove 151 and rotates on the guide shaft 173a according to the rotation of the winding drum 150 while rotating on the winding drum 150 ) is moved in a straight line.

The drum movement guide roller 173 moves up and down in the roller guide bracket 171 as the guide shaft 173a moves up and down in the roller guide long hole 171a, and is elastically supported through the roller attachment member 175. The guide protrusion 173b always stably maintains a state in close contact with the winding groove 151 . At this time, both ends of the guide shaft 173a are exposed to the outside of the roller guide long hole 171a and are connected to the roller attachment member 175 , and are elastically supported upward by the roller attachment member 175 .

The roller adhesion member 175 is connected to the guide shaft 173a of the drum moving guide roller 173 and is provided on the support plate 171b of the roller guide bracket 171 to elastically support the guide shaft 173a upward. The roller adhesion member 175 is coupled to the guide shaft 173a, and a hinge bolt 175a installed movably up and down on the support plate 171b, and the guide shaft 173a and the support plate so that the hinge bolt 175a passes therethrough. A spring (175b) provided between the 171b and elastically supporting the guide shaft (173a) upward is provided. At this time, the hinge bolt 175a is moved up and down on the support plate 171b, and a nut is fastened to the lower end thereof to prevent separation from the support plate 171b.

On the other hand, the drum rotation restraining member 180 is provided on the drum support plate member 140 to prevent the winding drum 150 from rotating when the safety-type stage equipment elevating device 100 is checked. Optionally constrain rotation. In this way, it is possible to prevent the occurrence of safety accidents during inspection.

The drum rotation restraining member 180 is configured to restrict the rotation of the winding drum 150 through a latch method. For example, the drum rotation restraining member 180 is selectively attached to the latch wheel 181 coupled to the winding drum 150 , the latch bracket 183 provided on the drum support side plate 145 , and the latch wheel 181 . A latch 185 that is rotatably provided on the latch bracket 183 to be caught, an operation sensor 187 that generates a stop signal of the drive motor 147 according to contact with the latch 185, and a safety-type stage equipment lifting and lowering It includes a latch support pin 189 that prevents the latch 185 in contact with the actuation sensor 187 from disengaging when the device 100 is used.

The latch bracket 183 includes a latch pin, a latch 185 is rotatably coupled through the latch pin, an operation sensor 187 is coupled to the inside, and a latch support pin ( A pin detachable hole 183a from which 189 is attached is formed.

The latch wheel 181 is coupled to the winding drum 150 , and is supported as the latch 185 is caught during inspection to prevent rotation of the winding drum 150 .

The latch 185 is rotatably installed on the latch bracket 183, and is rotated by the latch wheel 181 when the safety-type stage equipment lifting device 100 is checked to support the latch wheel 181 and the winding drum 150 ) to constrain the rotation. In addition, the latch 185 is formed with a pin through hole 185a through which the latch support pin 187 passes.

This, the latch 185 is rotated downward to contact the operation sensor 187 when using the safety-type stage equipment lifting device 100, and a pin through hole ( A latch support pin 189 is inserted into the 185a. Through this, it is possible to prevent the latch 185 for operating the safety-type stage equipment lifting device 100 in contact with the operation sensor 187 from being separated from the operation sensor 187 . That is, the safety-type stage equipment hoisting device 100 during use is stably driven.

The operation sensor 187 generates a driving signal of the safety-type stage equipment lifting device 100 as the latch 185 contacts. On the other hand, the safety-type stage equipment lifting device 100 generates a stop signal of the drive motor 147 when the latch 185 is spaced apart from the operation sensor 187 .

The latch support pin 189 prevents the latch 185 from being separated from the operation sensor 187 by fixing the latch 185 in contact with the operation sensor 187 for the operation of the safety-type stage equipment lifting device 100 . do. At this time, the latch support pin 189 is inserted into the pin detachment hole 183a and the pin through hole 185a of the latch bracket 183 to support the latch 185 .

In addition, the latch support pin 189 prevents the latch 185 constraining the latch wheel 181 from coming into contact with the operation sensor 187 while inspecting the safety-type stage equipment hoisting device 100 when inspecting. A safety accident caused by a malfunction of the safety-type stage equipment hoisting device 100 is prevented.

That is, the latch support pin 189 is inserted into the pin through hole 185a of the latch 185 when the safety-type stage equipment lifting device 100 is operated to maintain the state in which the latch 185 is in contact with the operation sensor 187 . In addition, safety is improved by preventing the latch 185 from coming into contact with the operation sensor 187 during inspection.

On the other hand, the wire guide pulley unit 130 according to the present embodiment is rotatably provided on the pulley installation plate 113 so that the winding drum 150 is located at the lower side, and the lifting wire 10 is attached to the winding drum 150 . Guides in the normal direction. A plurality of these wire guide pulley units 130 are installed on the pulley installation plate 113 to correspond to the quantity of the lifting wires 10 , and the lifting wires 10 are wound or unwound on the winding drum 150 while rotating according to the direction. It guides the movement of the lifting wire (10).

Through this, it is possible to prevent an excessive load from being applied to the elevating wire 10 , and it is possible to minimize wear due to friction while preventing noise during operation. In addition, since the movement of the wire winding unit 120 and the wire guide sheave 130 can be easily moved when interference with other components occurs, the position can be easily adjusted during installation and maintenance.

For example, the wire guide pulley 130 includes a hinge bracket 131 , a pulley bracket 133 , a guide pulley 135 , and a departure prevention pin 137 , and the pulley bracket 133 is a hinge bracket. (131) is rotatably coupled to.

The hinge bracket 131 is coupled to the pulley installation plate 113 through a bolt, and includes a hinge shaft 131a for rotatably coupling the pulley bracket 133 . Also, the hinge bracket 131 may be formed in a “U” shape.

The pulley bracket 133 is formed in an “L” shape, and a hinge hole 133a through which the lower hinge shaft 131a passes is formed and is rotatably coupled to the hinge bracket 131 . For example, the pulley bracket 133 is formed with a hinge hole portion 133a by joining a steel pipe to a lower surface thereof.

The guide pulley 135 is rotatably coupled to the pulley bracket 133 through a bearing, and guides the transfer of the lifting wire 10 .

The separation prevention pin 137 is provided on the pulley bracket 133 to be provided on one side of the guide pulley 135 to prevent the lifting wire 10 transported along the guide pulley 135 from being separated from the guide pulley 135 . do.

In the safety-type stage equipment lifting device 100 according to an aspect of the present invention configured as described above, the winding drum 150 rotating for winding or unwinding of the lifting wire 10 is attached to the drum movement guide member 170. Since the winding drum 150 and the drum support plate member 140 move in a straight line on the sliding guide member 160 while being guided, it is possible to stably wind the lifting wire 10 while preventing the lifting wires 10 from overlapping. At this time, since the drum movement guide roller 173 for guiding the winding drum 150 is elastically supported toward the winding drum 150, the guide protrusion 173b and the winding groove portion 151 are worn as the drum movement guide roller 173 is worn. can always keep the contact support of the

In addition, in the safety-type stage equipment lifting device 100 according to the present invention, the wire guide sheave 130 for guiding the lifting wire 10 to the winding drum 150 is located below the winding drum 150 and rotates. Therefore, there is no need to individually adjust the installation angle of the wire guide pulley 130 according to the installation location, thereby improving constructability and reducing the overall installation width, thereby improving space efficiency. In addition, when interference between components occurs during construction, since the wire winding unit 120 and the wire guide pulley unit 130 can be easily moved and installed, workability can be improved during construction as well as maintenance.

In addition, in the safety-type stage equipment lifting device 100 according to the present invention, the guide pulley 135 rotates according to the position of the lifting wire 10 wound on the winding drum 150 or unwound from the winding drum 150, It is possible to prevent excessive load being applied to the lifting wire 10 and the guide pulley 135, and it is possible to minimize the occurrence of wear of the lifting wire 10 and the guide pulley 135, as well as significantly reduce the generation of operating noise. can be significantly reduced

In addition, the safety-type stage equipment lifting device 100 according to the present invention is provided with the drum rotation restraining member 180 in the wire winding unit 120 to prevent the winding drum 150 from malfunctioning during stage inspection. Not only can a safety accident be prevented, but the restraint of the drum rotation restraining member 180 can be released with a simple structure.

Although the present invention has been described with reference to the embodiment shown in the drawings, this is merely exemplary, and it is understood that various modifications and equivalent other embodiments are possible by those of ordinary skill in the art. will understand

Accordingly, the true technical protection scope of the present invention should be defined by the claims.

100: safety-type stage equipment lifting device 10: lifting wire
20: support beam 110: frame
111: base plate 113: pulley installation plate
120: wire winding unit 130: wire guide sheave unit
131: hinge bracket 131a: hinge shaft
133: pulley bracket 133a: hinge hole part
135: guide pulley 137: escape prevention pin
140: drum support plate member 141: support bar
143: side plate bracket 145: drum support side plate
147: drive motor 150: winding drum
151: winding groove 160: sliding guide member
170: drum movement guide member 171: roller guide bracket
171a: roller guide long hole 171b: support plate
173: drum movement guide roller 173a: guide shaft
173b: guide protrusion 175: roller adhesion member
180: drum rotation restraining member 181: latch wheel
183: latch bracket 185: latch
187: operation sensor 189: latch support pin

Claims (7)

frame installed on the ceiling of the building; a wire winding unit provided in the frame to wind the elevating wire while linearly moving in the frame through rotation; and a wire guide pulley that is rotatably provided on the frame so as to be located below the wire winding part and guides winding or unwinding of the elevating wire through rotation.
The wire winding unit is coupled to be spaced apart from each other through a support bar to slide in the frame, and a drum support plate member having a driving motor on one side;
a winding drum rotatably installed on the drum support plate member and having a winding groove on an outer surface for winding the elevating wire;
a sliding guide member provided in the frame to guide the movement of the drum support plate member;
a drum movement guide member provided in the frame to contact the winding drum and moving the rotating winding drum in a straight line; and
a drum rotation restraining member provided on the drum support plate member to restrict rotation of the winding drum during inspection;
Safety-type stage equipment hoisting device comprising a.
delete The method of claim 1,
The drum movement guide member may include: a roller guide bracket coupled to the frame so as to be positioned below the winding drum;
a drum moving guide roller installed to be movable up and down on the roller guide bracket through a guide shaft so as to contact the winding groove; and
a roller adhesion member provided in the roller guide bracket to elastically support the drum moving guide roller upward;
Safety-type stage equipment hoisting device comprising a.
4. The method of claim 3,
The roller attachment member may include: a hinge bolt coupled to the guide shaft and movably installed in the roller guide bracket; and
a spring provided between the guide shaft and the roller guide bracket to elastically support the guide shaft so that the hinge bolt passes therethrough;
Safety-type stage equipment hoisting device comprising a.
delete The method of claim 1,
The drum rotation restraining member may include a latch wheel coupled to the winding drum;
a latch bracket provided on the drum support plate member;
a latch rotatably provided on the latch bracket and selectively contacting the latch wheel through rotation;
an operation sensor provided in the latch bracket and generating a stop signal of the driving motor as the latch selectively contacts; and
a latch support pin detachably provided on the latch bracket so that the latch wheel comes into contact with the latch support pin to prevent the latch from coming into contact with the actuation sensor;
Safety-type stage equipment hoisting device comprising a.
5. The method of any one of claims 1, 3, 4,
The wire guide sheave unit may include: a hinge bracket coupled to the frame by fastening bolts and having a hinge shaft;
a pulley bracket rotatably coupled to the hinge bracket by having a hinge hole at the bottom so that the hinge shaft passes therethrough;
a guide pulley rotatably coupled to the pulley bracket through a bearing to guide the elevating wire; and
a separation prevention pin provided on the pulley bracket so as to be provided on one side of the guide pulley to prevent separation of the elevating wire;
Safety-type stage equipment hoisting device comprising a.

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