KR102027845B1 - Foldable scaffold frame - Google Patents

Abstract

Disclosed is a foldable scaffold frame. The foldable scaffold frame includes: a support frame having a foldable structure and positioned on an upper opening of a structure while being hung thereon; a moving frame lifted by being supported on a support rope and having the foldable structure; and a moving path means connecting the support frame and the moving frame.

Description

Folding scaffold frame {Foldable scaffold frame}

The present invention relates to a foldable chieftain frame.

When building a ship or building a building, it is essential to work at a high place, and as the ship is enlarged and the building is high, the amount of work at a high place is increasing.

In industries such as shipbuilding and construction, chiefs are used as the passages and scaffolds of workers to ensure safety of workers working at high places and to provide a convenient work performance environment. In general, the chieftain is installed by mounting the chief plate on the installation frame temporarily installed vertically and horizontally, and winding the chief plate with a wire to fix the installation frame.

If necessary, the chief is installed in the internal space of the structure such as a ship or equipment, and the installation frame and the chief plate are carried by a crane.

However, there is a risk of falling in the process of transporting the installation frame and the like using a crane, and there is also a problem that the installation frame and the like are also twisted.

In addition, the chief rod structural analysis is required according to the type and shape of the interior space where the chief is to be installed, the chief of the proper structure must be separately manufactured and installed, and the chief must be removed after the purpose of use has been achieved. There is also a problem that excessive time is generated for the back.

Korean Registered Patent No. 10-1834306 (Work Chief) Korean Utility Model Registration No. 20-0346487 (Auxiliary scaffolding for chief plate for ship wall construction)

The present invention is easy to carry, install and dismantle the chieftain, the chief can be installed in a height and size suitable for the characteristics of the structure to be installed, the chief foldable chief combined with the prefab ladder to facilitate the movement of the operator To provide a frame.

  Other objects of the present invention will be readily understood through the following description.

According to an aspect of the invention, the support frame having a foldable structure, located across the upper opening of the structure; A moving frame supported and supported by a support rope and having a folding structure; And it is provided with a foldable chief frame comprising a moving path means for connecting the support frame and the moving frame.

At least one of the support frame and the movable frame may include a main bar having a predetermined length; A plurality of extension bars positioned parallel to both sides of the main bar; And a plurality of spreading bars that foldably connect the main bar and each of the extension bars.

At least one of the support frame and the movable frame may include at least one elastic part interposed between the main bar and each extension bar; And a folding rope having an end fixed to each of the extension bars through one side of the main bar.

The main bar may have an H beam shape to accommodate extension bars located at both sides thereof.

The moving path means may be a prefabricated ladder installed to pass both a first insertion hole provided in the support frame and a second insertion hole provided in the moving frame.

The prefabricated ladder includes a plurality of unit bodies connected to each other in the longitudinal direction of the body; And a scaffold member coupled to one or more unit bodies, wherein the fastening end of the scaffold member is coupled to a corresponding unit body so as to be rotatable outward of the unit body, and each of the outer circumferential surfaces of the plurality of connected unit bodies has a plurality of members. The scaffold members are positioned to be spaced apart from each other in the longitudinal direction of the unit body, and the plurality of scaffold members positioned on both sides of the outer circumferential surface may be positioned not to be parallel to each other.

Each unit body may be connected to each other to be rotatable in a direction perpendicular to the direction in which the scaffold member fastened to the unit body rotates.

An anti-slip portion may be formed on the foot support surface of the scaffold member.

The free end side of the scaffold member may be formed with a ring for positioning the folding member.

A predetermined worktable may be mounted on the support frame and the movable frame that are unfolded to a predetermined maximum size.

Other aspects, features, and advantages other than those described above will become apparent from the following drawings, claims, and detailed description of the invention.

According to an embodiment of the present invention, it is easy to transport, install, and dismantle the chieftain, and the chief may be installed at a height and size suitable for the characteristics of the structure on which the chieftain is to be installed. It is effective.

1 is a diagram illustrating a configuration of a foldable chieftain frame according to an embodiment of the present invention.
2 is a view showing a development process of the foldable chieftain frame according to an embodiment of the present invention.
3 is a view for explaining the unfolding structure of the foldable chieftain frame according to an embodiment of the present invention.
Figure 4 illustrates the appearance of the prefabricated ladder according to an embodiment of the present invention.
5 is a diagram illustrating a configuration of a unit module according to an embodiment of the present invention.
6 is a diagram illustrating a connection method between unit modules according to an embodiment of the present invention.
7 is a view for explaining the folding structure of the scaffold member according to an embodiment of the present invention.
8 is a diagram illustrating a chieftain installation shape using a folding chieftain frame according to an embodiment of the present invention.

As the invention allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the written description. However, this is not intended to limit the present invention to specific embodiments, it should be understood to include all changes, equivalents, and substitutes included in the spirit and scope of the present invention.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. As used herein, the terms "comprise" or "have" are intended to indicate that there is a feature, number, step, action, component, part, or combination thereof described on the specification, and one or more other features. It is to be understood that the present invention does not exclude the possibility of the presence or the addition of numbers, steps, operations, components, components, or a combination thereof.

In addition, in the description with reference to the accompanying drawings, the same components regardless of reference numerals will be given the same or related reference numerals and redundant description thereof will be omitted. The accompanying drawings are shown as being exaggerated for convenience of explanation and understanding, it is obvious that the present invention is not limited to the size of each component shown in the accompanying drawings.

1 is a view illustrating a configuration of a foldable chieftain frame according to an embodiment of the present invention, Figure 2 is a view showing a development process of the foldable chieftain frame according to an embodiment of the present invention, Figure 3 is a view of the present invention 4 is a view illustrating an unfolding structure of the foldable chieftain frame according to an embodiment, Figure 4 is a view illustrating the appearance of the prefabricated ladder according to an embodiment of the present invention. 5 is a diagram illustrating a configuration of a unit module according to an embodiment of the present invention, FIG. 6 is a diagram illustrating a connection method between unit modules according to an embodiment of the present invention, and FIG. 7 is a diagram of the present invention. 8 is a view illustrating a folding structure of the scaffold member according to an embodiment, and FIG. 8 is a diagram illustrating a chieftain installation shape using a folding chief frame according to an embodiment of the present invention.

1 and 2, the foldable chieftain frame may include a support frame 110, a moving frame 120, and a prefabricated ladder 130 as a moving path means.

The support frame 110 is positioned to be fixed over the upper opening of the structure 850 on which the chief is to be installed, and the moving frame 120 is supported by the support rope 150 fixed to a crane or the like to the inside of the structure 850. It is moved and positioned to the required height in space (see FIG. 8).

The size of the support frame 110 and the moving frame 120 may be selected in consideration of the size of the upper opening of the structure 850, the size of the work table to be installed. Although the lengths of the support frame 110 and the movable frame 120 are the same in FIG. 1, the lengths of the support frame 110 and the movable frame 120 may be differently selected according to the purpose of use. Of course.

A prefabricated ladder 130 may be installed between the support frame 110 and the movable frame 120 for the convenience of movement of the worker.

The prefabricated ladder 130 is installed to penetrate through both the ladder insertion hole 210 of the support frame 110 and the ladder insertion hole 250 of the moving frame 120, thereby integrating between the supporting frame 110 and the moving frame 120. This is maintained, and also using the prefabricated ladder 130, the operator can easily move from the position of the support frame 110 to the position of the moving frame 120.

Referring to FIG. 2, which illustrates the deployment of the foldable chieftain frame, first, the support frame 110 and the moving frame 120 are located in the upper opening of the structure 850 on which the chieftain is to be installed (see FIG. 2A). ). At this time, the ladder insertion hole 210 of the support frame 110 and the ladder insertion hole 250 of the moving frame 120 are positioned to communicate with each other.

Subsequently, the prefabricated ladder 130 is fitted to pass through both the ladder insertion hole 210 of the support frame 110 and the ladder insertion hole 250 of the moving frame 120 (see FIG. 2B). Of course, the prefabricated ladder 130 is already fitted to pass through both the ladder insertion hole 210 of the support frame 110 and the ladder insertion hole 250 of the moving frame 120, the upper opening of the structure 850 to be installed the chieftain Of course, it may be located in.

With the support frame 110 secured across the upper opening of the structure 850, the movable frame 120 is moved downward to the required position (eg, a working position) (FIGS. 2C and 2D). ) Reference).

Each of the support frame 110 and the movable frame 120, which is manufactured in a foldable structure, may be manipulated to expand and expand in the course of the lowering of the movable frame 120.

Each of the support frame 110 and the movable frame 120 includes two extension bars 222, 224, 262, and 264 positioned parallel to both sides of the main bars 220 and 260 and the main bars 220 and 260, respectively. It may include a plurality of spreading bars (230, 270) for foldably connecting the main bar (220, 260) and expansion bars (222, 224, 262, 264).

Main bar (220, 260), expansion bar (222, 224, 262, 264), spread bar (230, 270) is made of a material such as aluminum, FRP (fiber reinforced plastic) to have a light and durable characteristics Can be made.

The main bars 220 and 260 may be manufactured to have, for example, the shape of an H beam to accommodate the extension bars 222, 224, 262, and 264 respectively positioned parallel to both sides.

In order to move the plurality of spreading bars 230 and 270 while the moving frame 120 is lowered so that the main bars 220 and 260 and the respective extension bars 222, 224, 262 and 264 are located farthest, As illustrated in FIG. 3, an elastic portion 310 may be interposed between the main bars 220 and 260 and the extension bars 222, 224, 262 and 264, and the folding rope 320 may be connected to the main bar 220. It may be disposed to be fixed to each of the extension bars (222, 224, 262, 264) through one side of the 260.

In this state, as illustrated in FIG. 3A, when the folding rope 320 is pulled, the extension bars 222 through which the ends of the folding rope 320 are fixed through the main bars 220 and 260 are fixed. 224, 262, and 264 are pulled toward the main bars 220 and 260, and the plurality of spreading bars 230 and 270 are folded and kept in an overlapped state.

However, as illustrated in FIG. 3B, when the folding rope 320 is released, the elastic part 310 interposed between the main bars 220 and 260 and the extension bars 222, 224, 262 and 264. The extension bars 222, 224, 262, and 264 are moved away from the main bars 220 and 260 until the plurality of spreading bars 230 and 270 folded by the elastic force of the plurality of lines extend in a line, thereby supporting the frame. Each of the 110 and the moving frame 120 extends to the maximum size (see FIG. 2D).

Fastening means for maintaining the pulled rope 320 is pulled so that the support frame 110 and the movable frame 120 has a minimum size for the convenience of transport, respectively, the support frame 110 and the movable frame 120 Of course, it may be provided on one side of.

Referring back to FIG. 2), the prefabricated ladder 130 is installed to pass through both the ladder insertion hole 210 of the support frame 110 and the ladder insertion hole 250 of the moving frame 120.

The prefabricated ladder 130 is fixed by a method such as bolt fastening at the ladder insertion hole 250 of the movable frame 120, so that the prefabricated ladder 130 is also lowered when the movable frame 120 is lowered, such that the supporting frame 110 is supported. And the moving frame 120 are continuously connected.

4 to 6, the prefabricated ladder 130 is formed by connecting a plurality of unit modules 410a, 410b, 410c, and 410d (hereinafter, collectively referred to as 130 when no distinction is necessary) in the longitudinal direction.

Each unit module 410 is formed by combining the unit body 420 and the scaffold members 430a and 430b (hereinafter referred to as 430 when no distinction is necessary) at positions opposite to each other on the outer circumferential surface of the unit body 420. The unit body 420 and the scaffold member 430 may be made of a material such as aluminum, FRP (fiber reinforced plastic), etc. to have light and durable characteristics.

As illustrated in FIG. 5, one end of the scaffold member 430 (which may be referred to as a fastening end for convenience and the other end may be called a free end) may be, for example, a unit body 420 via a hinge portion. It can be coupled to be rotatable relative to. The support body may be formed in the unit body 420 to stably support the rotated scaffold member 430 to function as a scaffold.

4 to 6, two scaffold members 430 rotated to a scaffold position by their own weight are coupled to the unit body 420, and the first scaffold member 430a is on the upper side of the unit body 420. The coupling end is coupled to rotate in the first direction, and the second scaffold member 430b is coupled to the lower end of the unit body 420 to rotate in the second direction opposite to the first direction. It is.

However, when the length of the unit body 420 is changed, it is obvious that one or more scaffold members 430 or three or more scaffold members 430 may be coupled to the unit body 420 in a staggered manner.

The spacing between the scaffold members 430 coupled to the opposite positions of the outer circumferential surface of the unit body 420, and the spacing between the scaffold members 430 respectively coupled to the connected unit body 420 may be, for example, ISO International Standard, World It may be pre-determined to meet the requirements of the eight classification societies (eg LR, ABS, DNV, etc.).

As illustrated in FIG. 5, an anti-slip part may be formed on the foot support surface of the scaffold member 430 to promote safety of the operator. The anti-slip unit may be formed by, for example, coating sand mixed paint, or attaching a rubber prevention plate, and may be applied without limitation as long as it is a method for preventing an operator's sliding.

As illustrated in Figures 4 and 6, to form the prefabricated ladder 130 of the required length, each unit module 410 is connected to each other in the longitudinal direction.

In this case, when adjacent unit modules 410 are connected to each other, the unit modules 410 may be rotatable in directions perpendicular to the directions in which the scaffold member 430 is unfolded (for example, the rotation angle may be adjusted). Are connected to each other.

As illustrated, a fastening member connecting each unit module 410 may be, for example, a bolt 610 and a nut 620, and the entire body of the bolt 610 and the fastening hole of each unit module 410. By forming the threads on the circumferential surface, the unit modules 410 may be connected to each other only by the bolt 610 without the nut 620.

As described above, the unit modules 410 constituting the prefab ladder 130 are rotatably connected to each other, and at least one foot member 430 connected to each unit body 420 is rotatable to be in the position of the foot rest. It has structural features.

With this coupling structure, when the prefabricated ladder 130 is to be transported, the footrest member 430 is folded to contact the unit body 420 and the connection parts of the unit modules 410 are folded at a necessary angle for easy transport. There is also a feature that can modify the shape of the prefabricated ladder 130 in the form.

5 illustrates an upper portion of the unit body 420 so that the unit body 420 and the foot member 430 may have, for example, a cylindrical shape in a state where the foot member 430 is folded to contact the unit body 420. A case in which the lower part has a shaved shape to correspond to the contact surface shape of the scaffold member 430 is illustrated. However, it is a matter of course that the cross-sectional shape formed by contacting the scaffold member 430 and the unit body 420 as a whole corresponds to the shape of the ladder insertion holes 210 and 250.

The prefabricated ladder 130 is fitted to pass through both the ladder insertion hole 210 of the support frame 110 and the ladder insertion hole 250 of the moving frame 120, one side of the prefabricated ladder 130 to the moving frame 120 When the movable frame 120 is fixed and lowered, the prefabricated ladder 130 is also lowered.

As described above, since the foot member 430 of the prefab ladder 130 is coupled to the unit body 420 so as to be rotatable from the position in contact with the unit body 420 to the foot rest position, the prefab ladder 130 is The descending through the ladder insertion hole 210 of the support frame 110 is not restricted.

However, with the foot member 430 rotated to its foot rest position by its own weight, raising the moving frame 120 for the removal of the chieftain is the foot of the prefabricated ladder 130 to be raised with the moving frame 120. Pedestal is caught in the ladder insertion hole 210 of the support frame 110 may cause damage to the prefabricated ladder (130).

To prevent this, as illustrated in FIG. 7, a ring 710 is formed at the free end side of each scaffold member 430, and when the prefabricated ladder 130 is formed, the folding member 720 is formed on each scaffold member ( It may be pre-positioned to pass through the hook 710 of the 430 and the ladder insertion hole 210 of the support frame 110. The folding member 720 may be formed of, for example, a string, a rope, a chain, or the like having a predetermined length.

With the prefabricated ladder 130 installed so that the folding member 720 passes through each loop 710 and the ladder insertion hole 210 of the support frame 110, the folding member 720 is pulled out as illustrated in FIG. 7. As described above, each scaffold member 430 is rotated to contact the unit body 420, so that the prefabricated ladder 130 is not limited to the ladder insertion hole 210 of the support frame 110, and thus is easily lifted upward.

8 illustrates a chieftain installation shape using a folding chieftain frame.

The support frame 110 is fixed over the upper opening of the structure 850, and the moving frame 120 is lowered and moved to a required position. The support frame 110 and the movable frame 120 are unfolded to the designated maximum size, and a prefabricated ladder is installed to connect the supporting frame 110 and the movable frame 120.

In this state, the work benches 810, 820, and 830 manufactured in consideration of the prefabricated ladder 130 and the support rope 150 are installed to be seated on the support frame 110 and the moving frame 120 to the structure 850. The installation of the corresponding chieftain is completed.

As illustrated in FIG. 8, when the moving frame 120 is positioned to correspond to the manhole 860 formed in the structure 850, the operator moves the manhole 860 to the worktables 820, 830 seated on the moving frame 120. ), Or from the worktable 810 seated on the support frame 110 may be moved using the prefabricated ladder 130.

As described above, the foldable chieftain frame according to each embodiment is easy to carry, install and dismantle the chieftain, the chief can be installed to a height suitable for the characteristics of the structure on which the chieftain is to be installed, combined with the prefabricated ladder worker There is a feature that can facilitate the movement of.

Although the above has been described with reference to embodiments of the present invention, those skilled in the art may variously modify the present invention without departing from the spirit and scope of the present invention as set forth in the claims below. And can be changed.

110: support frame 120: moving frame
130: prefabricated ladder 150: support rope
210, 250: ladder insertion holes 220, 260: main bar
222, 224, 262, 264: extension bar 230, 270: extension bar
310: elastic portion 320: folding rope
410: unit module 420: unit body
430: scaffold member 610: bolt
620: nut 710: ring
720: folding member 810, 820, 830: work table
850 Structure 860 Manhole

Claims (8)

A support frame having a foldable structure and positioned over an upper opening of the structure;
A moving frame supported and supported by a support rope and having a folding structure; And
Includes a moving path means for connecting the support frame and the moving frame,
At least one of the support frame and the moving frame,
A main bar having a predetermined length;
A plurality of extension bars positioned parallel to both sides of the main bar;
A plurality of spreading bars for foldably connecting the main bar and each expansion bar
At least one elastic part interposed between the main bar and each extension bar; And
A foldable chieftain frame comprising a foldable rope through which one end of each of the extension bars penetrates one side of the main bar. delete delete The method of claim 1,
The main bar has a foldable chief frame having an H-beam shape so as to receive expansion bars respectively located on both sides. A support frame having a foldable structure and positioned over an upper opening of the structure;
A moving frame supported and supported by a support rope and having a folding structure; And
Includes a moving path means for connecting the support frame and the moving frame,
The moving path means is a prefabricated ladder installed to pass through both the first insertion hole provided in the support frame and the second insertion hole provided in the moving frame,
The prefab ladder,
A plurality of unit bodies connected to each other in the longitudinal direction of the body; And
Including one or more scaffold member coupled to each unit body,
The fastening end of the scaffold member is coupled to be rotatable outward of the unit body,
A plurality of scaffold members are located on both sides of the outer circumferential surface of the plurality of connected unit bodies so as to be spaced apart from each other in the longitudinal direction of the unit body, and the plurality of scaffold members located on each of the outer circumferential surfaces are positioned not to be parallel to each other. delete The method of claim 5,
Each unit body is connected to each other so as to be rotatable in a direction perpendicular to the direction in which the scaffold member fastened to the unit body, foldable chief frame. The method of claim 1,
Folding patriarchal frame, in which the support frame and movable frame which are unfolded to a maximum predetermined size are seated with a predetermined work bench.

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