KR20120000526U - A supporting device of vertically movable worktable riding - Google Patents

Abstract

The support device of the aerial platform according to the present invention is composed of a frame structure of the vertical frame and the horizontal frame and is a support device for supporting the aerial platform that can change the height by stacking the height, providing support to the aerial platform A first clamp member coupled to an upper end of the support frame and detachably coupled to a vertical frame or a horizontal frame positioned on the aerial platform, and the support frame and the first clamp member are rotatable. And an upper fastening part including a connecting member connecting to each other, and a lower fixing part coupled to a lower end of the supporting frame and fixed to a bottom to provide a supporting force to the supporting frame, wherein the upper fastening part and the lower fixing part At least one of the coupling lengths of the support frames It is coupled to. By doing so, it is possible to easily combine the aerial platform with various angles and heights to the vertical or horizontal frame of the aerial platform in response to the change in the center of gravity according to the stacking height of the aerial platform without any structural change to the conventional aerial platform. It can be easily supported to prevent safety accidents by preventing flow or fall due to external impact or wind.

Description

A SUPPORTING DEVICE OF VERTICALLY MOVABLE WORKTABLE RIDING}

The present invention relates to a support device for aerial platform, and more specifically, the structure is simple and fastened to the aerial platform to support the aerial platform to firmly support the aerial platform to prevent the safety accident by preventing the flow or fall of the aerial platform It relates to a support device of the.

In general, the aerial work platform is an auxiliary work tool used for exterior work such as exterior walls and ceilings of buildings, installation of objects, and the like at a building construction site. When the aerial platform is used by stacking, the height of the center of gravity increases as the height increases, and when the aerial platform flows or falls, such as an external impact or wind, there is a problem that a safety accident such as a worker's fall accident occurs. In order to solve this problem, a support device for aerial platform has been developed.

Representative prior art of the support device of the aerial platform is the "conduction prevention device" described in the registered Patent Publication No. 0753475 filed and registered by the applicant "Yu Sang Sang, Lee Yang Sun" dated 2006.09.06.

As shown in Fig. 13, the "conduction prevention device" includes a fixed tube body 21 having a predetermined length and a side surface of the fixed tube body 21 in the anti-conduction device 5 that prevents the aerial platform from falling down. It is provided with a fixed portion 20 consisting of a clamp 22 is fixed to the lower end of the aerial platform (1) and the rotating tube 31 is rotated in the circumferential direction by being fitted to the outer peripheral surface of the fixed tube 21 It includes a support 30 made of a support member 32 which is connected to the side of the tube 31, the lifting member 32, the outer circumferential surface of the rotating tube 31 is formed by two or more holes 34 at the same height spaced apart The fixed tubular body 21 is provided with a button 40 having a tip portion elastically mounted to the through hole 34, and when the button 40 is rotated to rotate the rotary tubular body 31 in the fixed tubular body 21, the rotary tubular body is rotated. As the 31 is rotated, the button 40 elastically protrudes to another through hole 34 to rotate the tube 31. It discloses a technique configured to be rotated is stopped.

In addition, the "conduction prevention device" can be rotated toward the center of the aerial platform 1 by the fixed portion 20 of the conduction prevention device 10 through this technical configuration, so that the aerial platform 1 in a relatively narrow space It can be easily moved, and is prevented from colliding with the surrounding workers or buildings or building materials, there is an effect that can prevent safety accidents and damage to buildings or building materials, etc. 21, the rotational tube 31 of the support part 30 is fitted to the outer circumferential surface of the support 30, and the fall prevention device 10 does not protrude out of the aerial platform 1 even when the aerial platform 1 moves. It is disclosed that there is an effect that can be moved more easily and safely.

However, the above "conduction prevention device" can facilitate the movement of the aerial platform and the installation of a narrow space through the folding technology configuration, but because it is a structure that can support only the lower part of the ladder part 2, the aerial platform When the height of the aerial platform is increased through the use of stacking, there is a problem in that it does not adequately correspond to the center of gravity of the elevated aerial platform and thus does not prevent safety accidents due to flow or fall due to external impact or wind.

KR 10-0753475 B1

Accordingly, the technical problem to be achieved by the present invention is to solve the above problems and to respond to the change in the center of gravity of the aerial platform according to the stacking height of the aerial platform without restricting a separate structure of the conventional aerial platform or limiting the installation space. The present invention provides a support device for aerial platform having a simple structure that can be easily coupled at various angles and heights to firmly support the aerial platform.

In addition, another technical problem to be achieved by the present invention is to solve the above problems by using a support device at one point to support the aerial platform to complete the work using the aerial platform after the simple operation of the support device when moving to another point It is to provide a support device for aerial platform that can move the aerial platform in an easy and safe way.

The support device for aerial platform according to an embodiment of the present invention for solving the above problems consists of a skeletal structure of a vertical frame and a horizontal frame, and supports the aerial platform that can be operated in height by varying the height through the stacking A support device, comprising: a support frame for providing support to the aerial platform, a first clamp member coupled to an upper end of the support frame and removably coupled to a vertical frame or a horizontal frame positioned above the aerial platform; An upper fastening part including a connecting member for rotatably connecting the frame and the first clamp member to each other, and a lower fixing part coupled to a lower end of the support frame and fixed to a bottom to provide support to the support frame. At least one of the upper fastening portion and the lower fixing portion; I is bonded is bonded to the support frame so as to be variable in length.

The connecting member includes a clamp coupling member having the first clamp member coupled to one side, and a support frame coupling member coupled to the upper end of the support frame and rotatably coupled to the clamp coupling member on the other side. can do.

The lower fixing part may include a bottom plate and a first extension bar coupled to the bottom plate so as to be rotatable, and the other side coupled to the support frame to be variable in coupling length.

The support frame includes a first support bar and a second support bar, which are separated from each other, and a second extension bar interconnecting the first support bar and the second support bar to have a variable coupling length.

Reinforcement frame for providing additional support to the aerial platform, one end is rotatably coupled to one end of the reinforcement frame and the other end is a support frame fastening portion detachably coupled to one side of the support frame, one end the reinforcement frame It is rotatably coupled to the other end of the other end further includes an intermediate fastening portion detachably coupled to a vertical frame or a horizontal frame located in the middle of the aerial platform, the support frame fastening portion and the intermediate fastening portion at least any One may be coupled to the reinforcement frame to be variable in coupling length.

The support frame fastening part includes a second clamp member, the intermediate fastening member includes a third clamp member, and at least one of the second clamp member and the third clamp member has a variable coupling length to the reinforcing frame. It may further include a third extension bar coupled to enable.

The reinforcing frame is a first reinforcing bar and a second reinforcing bar separated from each other, and

It may further include a fourth extension bar interconnecting the first reinforcement bar and the second reinforcement bar so that the coupling length is variable.

As described above, according to the support device of the aerial platform according to the present invention in response to the change in the center of gravity according to the stacking height of the aerial platform without changing the structure of the conventional aerial platform at various angles and heights in the frame of the aerial platform It can be easily combined to firmly support the aerial platform has an advantageous effect to prevent safety accidents by preventing flow or fall due to external impact or wind.

In addition, according to the support device of the aerial platform according to the present invention has a simple structure, not only manufacturing time and cost is low, but also support the aerial platform using a support device at one point to complete the work using the aerial platform after the other Moving to a point has the advantageous effect of moving the aerial platform in an easy and safe way through simple manipulation of the support device.

1 is a perspective view of the aerial platform is fastened to the support device aerial platform according to an embodiment of the present invention,
Figure 2 is an enlarged view of the upper fastening portion of the support device of the aerial platform according to an embodiment of the present invention shown in region 'A' of FIG.
Figure 3 is an enlarged view of the upper fastening portion of the support device of the aerial platform according to an embodiment of the present invention shown in region 'B' of FIG.
Figure 4 is an open state diagram of the upper fastening portion shown in FIG.
5 is an enlarged view of the lower fixing part of the support device of the aerial platform according to an embodiment of the present invention shown in region 'C' of FIG.
6 is a state diagram in which the fixing angle of the lower fixing part shown in FIG. 5 is changed;
7 is an enlarged view of the support frame fastening portion of the support device of the aerial platform according to an embodiment of the present invention shown in region 'D' of FIG.
8 is an enlarged view of a support frame fastening portion of the support device of the aerial platform according to an embodiment of the present invention shown in the 'E' region of FIG.
9 is an enlarged view of an intermediate fastening portion of a support device for an aerial platform according to an embodiment of the present invention shown in region 'F' of FIG. 1;
10 is a perspective view showing a state in which the installation angle and height of the support device of the aerial platform according to an embodiment of the present invention in accordance with the change in the center of gravity according to the stacking height of the aerial platform,
11 is a perspective view of the aerial platform is fastened to the support device aerial platform according to another embodiment of the present invention,
12 is an enlarged view of a support frame of the support device of the aerial platform shown in region 'G' of FIG. 11, and
It is a perspective view of the fall prevention apparatus of the aerial platform of the prior art.

Specific details of other embodiments are included in the detailed description and drawings.

Advantages and features of the present invention, and methods for achieving them will be apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. It should be understood, however, that the present invention is not limited to the embodiments disclosed herein but may be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete and will fully convey the concept of the invention to those skilled in the art. Is provided to fully inform the owner of the category of design, and the design is only defined by the scope of the claim.

Like reference numerals refer to like elements throughout the specification (except for reference numerals of FIG. 13 and descriptions thereof). Embodiments described herein will be described with reference to the ideal drawings of the present invention.

Hereinafter, with reference to the accompanying drawings will be described with respect to the support device and operating method of the aerial platform according to various embodiments of the present invention.

First, a support apparatus for an aerial platform according to an embodiment of the present invention will be described in detail with reference to FIGS. 1 to 10.

1 is a perspective view of an aerial platform to which the support device of the aerial platform according to an embodiment of the present invention, Figure 2 is a support device of the aerial platform according to an embodiment of the present invention shown in the area 'A' of FIG. 3 is an enlarged view of an upper fastening portion of the upper fastening portion of the support device of the aerial platform according to an embodiment of the present invention shown in the 'B' region of Figure 1, Figure 4 is an upper fastening shown in Figure 3 5 is an enlarged view of the lower fixing part of the supporting apparatus of the aerial platform according to an embodiment of the present invention shown in the 'C' region of FIG. 1, and FIG. 6 is the lower fixing part shown in FIG. 7 is an enlarged view of the support frame fastening portion of the support device of the aerial platform according to an embodiment of the present invention shown in the region 'D' of FIG. 1, and FIG. 8 is of FIG. Support of aerial platform according to one embodiment of the present invention shown in region E ' 9 is an enlarged view of the support frame fastening portion of the tooth, FIG. 9 is an enlarged view of the intermediate fastening portion of the supporting device of the aerial platform according to the embodiment of the present invention shown in the 'F' region of FIG. According to the change in the center of gravity according to the perspective view showing a state in which the installation angle and height of the support device for aerial platform according to an embodiment of the present invention is changed.

1 to 10, the support device 1 of the aerial platform according to an embodiment of the present invention is fastened to the aerial platform 10 to prevent the flow and fall of aerial platform 10, aerial platform It is used to firmly support (10).

1 and 10, the aerial platform 10 generally has a skeletal structure formed by mutual coupling of the vertical frame 20 and the horizontal frame 30, and the diagonally inclined frame 40 is diagonally reinforced for strength. It can be further coupled and the working footrest 50 is placed on the top to the operator to perform the height work on it and the wheel 60 is mounted for convenience of movement. The aerial platform 10 is used to vary the height through the stacking in three or two stages, etc. to suit the height required for aerial work.

The support device 1 of the aerial platform according to an embodiment of the present invention for supporting the aerial platform 10, the support frame 100, the upper fastening portion 200, the lower fixing portion 300, reinforcement frame 400 ), The support frame fastening part 500 and the intermediate fastening part 600.

As shown in FIGS. 1, 2, and 5, the support frame 100 has a rod-shaped strength metal material having a threaded extension bar receiving groove 130 formed therein along a length direction at a lower end thereof. And a fastening piece 120 provided at an upper end of the support bar 110 and the support bar 110, which are provided in the back, and coupled to the upper part of the vertical frame 20 of the aerial platform 100 in a diagonal direction from the ground. Provide support to 20.

The upper fastening part 200 is detachably coupled to the upper part of the fastening piece 120 of the support frame 100 and the vertical frame 20 of the aerial platform 100, as shown in Figures 2 to 4, And a connecting member 210 and a clamp member 230.

The connection member 210 may rotatably connect the fastening piece 120 and the clamp member 230 of the support frame 100 to each other, and include a clamp coupling member 212 and a support frame coupling member 215.

The clamp coupling member 212 is provided in a short tubular shape and fixedly couples the clamp member 230 to a side by a known method such as welding.

The support frame coupling member 215 includes a reinforcing body 216, a fastener coupling protrusion 217, and a hinge 217.

The reinforcing body 216 is coupled by a known method such as welding to surround the central portion of the clamping member 212 and is added to the clamping member 212 to reinforce the supporting strength of the connecting member 210.

Although not shown in the drawings, the fastening piece coupling protrusion 217 is rotatably coupled to one side of the reinforcing body 216 and is also rotatably coupled to the fastening piece 217 by the hinge 218.

On the other hand, unlike the present embodiment, the support frame coupling member 215 may be configured such that the reinforcing body 216 is omitted and the fastening piece coupling protrusion 217 is directly coupled to the clamp coupling member 212.

The clamp member 230 includes a fixing clamp 232, a rotation clamp 234, a fastening nut 236, a fastening bolt 239 and hinges 233 and 238.

The fixed clamp 232 is coupled to the rotational clamp 234 to be detachably fastened to the vertical frame 20 positioned on the aerial platform 10, thereby supporting the support force of the support bar 110 on the vertical frame 20. to provide.

As shown in FIG. 4, the fixed clamp 232 and the rotation clamp 234 accommodate the vertical frame 20 in a state in which the rotation clamp 234 is rotated open in the direction of the dashed arrow about the hinge 233. The rotation clamp 234 is rotated again in the direction opposite to the dashed arrow to engage the fixing clamp 232.

The fastening nut 236 is pivotally coupled to one end of the fixed clamp 232 by a hinge 238, and the other end is pivoted in the direction of the dotted arrow to be received and coupled to one side of the rotation clamp 234, and then the fastening bolt 239. Is fixed). Accordingly, the fixed fixing clamp 232 and the rotation clamp 234 is tightly coupled to the vertical frame 20.

On the other hand, unlike the present embodiment, the clamp member 300 can be changed in design to another known configuration that can be fastened to the vertical frame 20, the clamp member 300 is a fastening piece coupling projection 217 is a reinforcing body ( Since it is rotatably coupled to one side of the 216 may be fastened to the horizontal frame 30 through the rotation.

The lower fixing part 300 includes a bottom plate 310 and an extension bar coupling protrusion 320, an extension bar 340, and a rotary knob 360 as shown in FIGS. 1, 5, and 6, and are supported. It is fixed to the bottom of the sieve coupled to the bottom of the frame 100 provides a support force to the support frame 100.

The bottom plate 310 is provided with an extension bar coupling protrusion 320 in the center in the shape of a disk with a central portion rising upward, and is fixed to the bottom to provide support to the support bar 110.

Although not shown in the drawing, the extension coupling protrusion 320 is rotatably coupled in the horizontal direction through the bottom plate 310 and the hinge coupling.

Extension bar 340 is formed on the body of the thread corresponding to the thread of the extension bar receiving groove 130 of the support bar 110, one end is shown in Figure 6 by coupling the hinge 350 as shown in FIG. The extension bar is coupled to the extension bar coupling projection 320 so as to be rotatable in the direction of the arrow or the opposite direction, that is, the vertical direction. On the other hand, the extension bar 140 is rotated in the direction of the dotted line arrow or the opposite direction or the support bar 110 of FIG. 5 using the rotary knob 360 once coupled to the side and the support frame 100 in the Y1 direction The other end is received and coupled to the support bar 110 so that the coupling length of the variable.

As shown in FIGS. 1 and 7 to 9, the reinforcing frame 400 has a fastening piece 420 formed at one end thereof, and an extension bar receiving groove 430 having a thread shape is formed therein along the other end thereof. Reinforcement bar 410 is included. The reinforcement frame 400 has one end coupled to the support frame 100 and the vertical frame 20 by the support frame fastening part 500 and the intermediate fastening part 600, respectively, in addition to the support frame 100 and the vertical frame 20. ) To provide additional support.

The support frame fastening part 500 includes a clamp member 530 having a fastening piece 520 at one end as shown in FIGS. 1 and 7 to 8, and the support frame 100 and the reinforcement frame 400. Removably fixed to each other.

The fastening piece 520 is coupled to rotate in the vertical direction through the fastening piece 420 and the hinge 550 of the reinforcing frame 400 is coupled.

The clamp member 530 is detachably coupled to one side of the support bar 110 of the support frame 100, and includes a fixing clamp 532, a rotation clamp 534, a fastening nut 536, a fastening bolt 539, and Hinges 533 and 538.

Detailed configuration of the clamp member 530 and the coupling method of the support bar 110 are the same as the clamp member 230, and thus detailed description thereof will be omitted.

The intermediate fastening part 600 includes a clamp member 630, an extension bar 640, and a rotation knob 660 as shown in FIGS. 1 and 9, between the vertical frame 20 and the reinforcement frame 400. Removably combines.

The clamp member 630 is detachably coupled to one side of the vertical frame 20 and includes a fixed clamp 632, a rotation clamp 634, a fastening nut 636, a fastening bolt 639, and a hinge 633 and 638. It includes.

Details of the clamp member 630 and the coupling method of the vertical frame 20 are also the same as the clamp member 230, and thus detailed description thereof will be omitted.

Although not illustrated in the drawing, the extension bar 640 is coupled to the clamp member 630 and hinged so as to be rotatable in a dotted arrow direction or in an opposite direction. On the other hand, the extension bar 640 has a thread corresponding to the thread of the extension bar receiving groove 430 of the reinforcement bar 410 in the body, and using the rotary knob 660 once coupled to the side of the arrow direction or the opposite The other end is received and coupled to the reinforcement bar 410 so that the engagement length with the reinforcement frame 400 in the X1 direction is variable by rotating in the direction or by rotating the clamp member 23.

On the other hand, since the extension bar 640 is rotatably coupled in the direction of the dashed arrow or the opposite direction through the hinge coupling with the clamp member 630, the clamp member 630 is rotated 90 degrees through the horizontal frame of the aerial platform 10 Removably coupled with the 30 can also provide support to the aerial platform 10.

Hereinafter, with reference to FIGS. 1 to 10, the method will be described in detail once again with reference to FIGS. 1 to 10 based on a method of supporting an aerial platform using the aerial platform support apparatus according to an embodiment of the present invention.

First, as shown in FIGS. 1 and 10, the vertical frame 20 positioned above the aerial platform 10 as shown in FIGS. 2 and 3 in consideration of the center of gravity according to the stacking height of the aerial platform 10. The clamp member 230 is fastened to the clamp member 230 and the clamp member 630 is fastened to the vertical frame 20 located in the middle of the aerial platform 10 as shown in FIG. 9.

Then, the clamp member 530 is fastened to a predetermined position of the support bar 110 of the support frame 100 as shown in FIGS. 7 and 8. After that, the support frame 100, the reinforcement frame 400, and the lower fixing part firmly support the aerial platform 10 in consideration of the fastening height of the clamp members 230, 530, 630 and the installation angle of the support frame 110. Rotating each extension bar (340, 640) to adjust the coupling length (X1, X2, Y1) so that the flow and fall of the aerial platform 10 can be easily and easily and firmly prevented.

On the other hand, when the work is finished and the aerial platform 10 needs to be moved to another place, by rotating the extension bar 340 in the opposite direction to the dotted line of Figure 5 to reduce the coupling length bottom plate 310 is dropped from the floor In the narrow space, each clamp member 530, 630 is also loosened, and then the support device 1 is adjacent to the aerial platform 10 by rotation, and then the aerial platform 10 can be easily moved. Can be.

Hereinafter, the support device for aerial platform according to another embodiment of the present invention will be described in detail with reference to the difference from the support device for aerial platform according to an embodiment of the present invention with reference to FIGS. 11 and 12.

As shown in FIGS. 11 and 12, the support device 2 of the aerial platform according to another embodiment of the present invention includes a first support in which a support frame 101 is formed with extension bar receiving grooves 131 and 132, respectively. An extension bar 140 pivotally coupled to the bar 111, the second support bar 112, and the extension bar receiving grooves 131 and 132 so as to be variable in the coupling length Y2 in a dotted arrow direction or the opposite direction. Except for further comprising the same as the support device 1 of the aerial platform according to an embodiment of the present invention.

According to the support device 2 of the aerial platform according to another embodiment of the present invention, the coupling length can be further extended by the extension bar 140 of the support frame 101, thereby stacking the aerial platform 10 stacked in multiple stages. I can support it more stably. Meanwhile, in this case, when the extension bar 640 is also extended by X3 in the longitudinal direction, the coupling angle of the support frame 101 may be further increased to more firmly support the aerial platform 10. In addition, unlike the present embodiment, the reinforcement frame 400 is configured to have additional extension bars accommodated in the first reinforcement bar and the second reinforcement bar and the extension bar receiving groove, respectively, in which the extension bar receiving groove is formed to increase the coupling angle. You may.

In addition, the hinge coupling method described in the above embodiments can adjust the coupling strength of the hinge to enable the rotation when it is necessary to change to another angle as necessary while maintaining the coupling angle when supporting, Otherwise, it can be changed by other known methods so as to support and rotate through an angle adjustment and fixing method using a coupling pin and a coupling hole.

In addition, unlike the above embodiments, when the support of the aerial platform 10 may be possible only by the support frame 100, the upper fastening part 200, and the lower fixing part 300, the reinforcing frame 400 and the supporting frame fastening. It is also possible to configure the support device by omitting the portion 500 and the intermediate fastening portion 600.

On the other hand, in the above embodiment, the upper fastening part 200 may also be provided to change the coupling length and the support frame 100 through a design change using the structure of the lower fixing part 300, and the support frame fastening part ( 500 may also be provided to change the coupling length and the reinforcement frame 400 through a design change using the structure of the intermediate fastening portion 600.

Although the preferred embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concepts of the present invention defined in the following claims are also provided. It belongs to the scope of the invention.

1, 2: support device 10: aerial platform
20: vertical frame 30: horizontal frame
40: inclined frame 50: working step
60: wheel 100, 101: support frame
110, 111, 112: support bar 120, 420, 520: fastening piece
130, 131, 132, 430: extension bar receiving groove
140, 340, 640: extension bar 200: upper fastening portion
210: connection member 212: clamp engagement member
215: support frame coupling member 216: reinforcement body
217: fastening joint engaging projection
218, 233, 238, 350, 533, 538, 550, 633, 638: hinge
230, 530, 630: clamp member 232, 532, 632: fixed clamp
234, 534, 634: rotating clamps 236, 536, 636: fastening nut
239, 539, 639: fastening bolt 300: lower fixing part
310: bottom plate 320: extension bar engaging projection
360, 660: rotary knob 400: reinforcement frame
410: reinforcement bar 500: support frame fastening portion
600: intermediate fastening

Claims (7)

It is composed of the frame structure of vertical frame and horizontal frame, and it is a supporting device that supports the aerial platform that can work height by varying the height through lamination,
A support frame providing support to the aerial platform,
A first clamp member coupled to an upper end of the support frame and detachably coupled to a vertical frame or a horizontal frame positioned at an upper portion of the aerial platform, such that the support frame and the first clamp member are rotatably connected to each other. An upper fastener comprising a member, and
A lower fixing part coupled to a lower end of the support frame and fixed to a bottom to provide support to the support frame
Including;
At least one of the upper fastening portion and the lower fixing portion is coupled to the support frame to be variable in coupling length
Supporting device for aerial platform. In claim 1,
The connecting member
A clamp coupling member having the first clamp member coupled to one side, and
One side is coupled to the upper end of the support frame and the other side includes a support frame coupling member that is rotatably coupled with the clamp coupling member
Supporting device for aerial platform. In claim 1,
The lower fixing part
Bottom plate, and
One side is rotatably coupled to the bottom plate and the other side has a first extension bar coupled to the support frame and the coupling length is variable.
Containing
Supporting device for aerial platform. In claim 1,
The support frame
A first support bar and a second support bar separated from each other, and
A second extension bar interconnecting the first support bar and the second support bar such that the coupling length is variable;
Containing
Supporting device for aerial platform. In claim 1,
A reinforcement frame that provides additional support to the aerial platform,
One end is rotatably coupled to one end of the reinforcing frame and the other end is a support frame fastening portion that is detachably coupled to one side of the support frame,
One end is rotatably coupled to the other end of the reinforcement frame, and the other end is an intermediate fastening portion detachably coupled to a vertical frame or a horizontal frame located at an intermediate portion of the aerial platform.
More,
At least one of the support frame fastening part and the intermediate fastening part is coupled to the reinforcement frame to have a variable coupling length.
Supporting device for aerial platform. In claim 5,
The support frame fastening portion includes a second clamp member,
The intermediate fastening member includes a third clamp member,
The second clamp member and the third clamp member further includes a third extension bar is coupled to the reinforcement frame so that at least one of the coupling length is variable.
Supporting device for aerial platform. In claim 5,
The reinforcement frame
A first reinforcing bar and a second reinforcing bar separated from each other, and
A fourth extension bar interconnecting the first reinforcement bar and the second reinforcement bar such that a coupling length is variable;
Further comprising
Supporting device for aerial platform.

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