KR102050843B1 - Movable scaffold frame - Google Patents

Abstract

A removable chieftain frame is disclosed. The movable chieftain frame includes a support frame positioned over an upper opening of the structure; A moving frame supported and lifted by the support wire and having a folding structure; And moving path means for connecting the support frame and the moving frame.

Description

Movable scaffold frame

The present invention relates to a removable 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, according to the type, shape, and multistage structure of the interior space where the chief is to be installed, a separate chief rod structural analysis is required, and a chief of a structure suitable for the structural analysis results must be separately manufactured and installed. Since the chief must be removed, there is a problem that excessive time is generated for the chief.

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 coupled with the prefabricated 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 one aspect of the invention, the support frame is located over the upper opening of the structure; A moving frame supported and lifted by the support wire and having a folding structure; And a moving chief frame comprising a moving path means for connecting the support frame and the moving frame.

The moving frame may include a foldable portion in which a plurality of foldable bars are coupled in a foldable structure via a first hinge; And a body part coupled to the folding part so as to be rotatable through a second hinge at an end thereof, wherein the plurality of folding bars are formed by using the first hinge and the second hinge to form an edge of an extended moving frame. Can be.

A groove may be formed to accommodate the folding portion in the body portion.

The moving path means may be a prefabricated ladder that is inserted through the insertion hole provided in the support frame, the one side is fixed to the fastener 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 is 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 removable chieftain frame according to an embodiment of the present invention.
Figure 2 illustrates the arrangement of the support frame according to an embodiment of the present invention.
3 is a diagram illustrating an unfolding process of a moving 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 view illustrating a chieftain installation process and the shape using a mobile 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 removable chieftain frame according to an embodiment of the present invention, Figure 2 is a view illustrating an arrangement of the support frame according to an embodiment of the present invention, Figure 3 is a view of the present invention 4 is a diagram illustrating an unfolding process of a moving frame according to an embodiment, and FIG. 4 is a diagram illustrating an appearance of a 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 view illustrating a chieftain installation process and a shape using a movable chieftain frame according to an embodiment of the present invention.

As illustrated in FIGS. 1 through 4, the movable chieftain frame may include a support frame 110, a moving frame 120, and an assembly ladder 130 as an example of a moving path means.

The support frame 110 is positioned to be fixed over the upper opening of the structure 250 to be mounted by the chieftain (see FIG. 2), and the movable frame 120 is supported by the support wire 150 fixed to a crane or the like. It is moved to a required height in the internal space of the 250, the prefabricated ladder 130 may be installed to connect the support frame 110 and the moving frame 120. 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 250, the size of the work table 820a, 820b (see FIG. 8) to be installed.

The support frame 110 may include a plurality of mounting bars 210 that are supported across the openings of the structure 250, and one or more connection bars 220 fixing the plurality of mounting bars 210.

1 and the like, a case in which the support frame 110 has an H shape formed by two mounting bars 210 and one connecting bar 220 is illustrated, for example, 王, 井, 田, etc. As long as the support frame 110 is a shape that can be stably mounted in the opening of the structure 250 may be applied without any limitation.

One side of the connection bar 220 of the support frame 110 may be formed with a ladder insertion hole 230 through which the prefabricated ladder 130 is inserted.

The moving frame 120 may include a body portion 310, a fold portion 320, and a ladder fastener 330.

The body portion 310 may be formed in a cross shape using, for example, a unit member having a shape of an H beam, a c beam, and the like so as to accommodate the folded portion 320 in a groove formed therein. The prefabricated ladder 130 is inserted into one side of the) and a ladder fastener 330 for fixing one side of the prefabricated ladder 130 may be formed. In addition, a coupling hole 340 may be formed at one side of the body 310 to be fixed by the support wire 150.

The foldable part 320 may be formed by connecting a plurality of unit members to be foldable via the first hinge part 326, and the foldable part 320 may be formed at each end of the body part 310. It may be coupled via the branch 335.

As illustrated in FIG. 3, the foldable part 320 may include a first foldable bar 322 having one end rotatably coupled to one end of the body part 310 by a second hinge 335, and The other end of the first folding bar 322 may include a second folding bar 324 rotatably coupled to one end by the first hinge portion 326.

The first folding bar 322 and the second folding bar 324 by the first hinge portion 326 and the second hinge portion 335 is folded into a U-shape in a groove formed in the body portion 310 in a folded state. May be positioned to be received (see FIG. 3A).

In order to secure a space for seating the worktable 820b, the movable frame 120 is unfolded. At this time, the foldable part 320 is rotated outwardly and unfolded using the second hinge part 335, and then the second foldable bar. 324 is rotated outward using the first hinge portion 326 to be unfolded

The first folding bar 322 and the second folding bar 324 unfolded outward by using the first and second hinge parts 326 and 330 are formed to form an edge of the extended moving frame 120. By unfolding the first folding bar 322 and the second folding bar 324, for example, the moving frame 120 may be deformed from a cross shape to a zigzag shape (FIGS. 3B and 3C). ) Reference).

Fixing means for securing a folding bar which is extended outwardly using a hinge part to contact the other end of the body part 310 to form an edge and / or a fastening means using bolts and nuts may be provided at each end of the body part 310. It may be.

Each member forming the support frame 110 and the movable frame 120 may be made of a material such as aluminum, FRP (fiber-reinforced plastic), etc. so as to have light and durable characteristics.

Referring back to FIG. 1, the prefabricated ladder 130 is installed to penetrate both the ladder insertion hole 230 of the support frame 110 and the ladder fastener 250 of the moving frame 120.

The prefabricated ladder 130 is fixed by a method such as fastening bolts at the ladder fastener 250 of the moving frame 120, so that the prefabricated ladder 130 maintains a shape penetrating the ladder insertion hole 230 when the moving frame 120 is lowered. Ladder 130 is also lowered, the support frame 110 and the moving frame 120 is in a continuously connected state. By the prefabricated ladder 130, the integrity between the support frame 110 and the movable frame 120 can be maintained, and also the operator can easily move from the position of the supporting frame 110 to the position of the movable frame 120. Will be.

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 FIGS. 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 of the unit body 420.

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 scaffold member 430 may have, for example, a cylindrical shape in a state in which the scaffold 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 hole 230 and the ladder fastener 250.

The prefabricated ladder 130 is fitted to pass through both the ladder insertion port 230 of the support frame 110 and the ladder fastener 250 of the movable frame 120, one side of the prefabricated ladder 130 is a ladder fastener 250 The prefabricated ladder 130 is also lowered when the movable frame 120 is fixed by being fixed to the movable frame 120.

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 Lowering through the ladder insertion port 230 of the support frame 110 is not constrained.

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. The pedestal is caught by the ladder insertion hole 230 of the support frame 110 may cause breakage of 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 port 230 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 hook 710 and the ladder insertion hole 230 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 be in contact with the unit body 420, so that the prefabricated ladder 130 is not limited to the ladder insertion hole 230 of the support frame 110, and thus is easily lifted upward.

8 illustrates a process in which the chief is installed in the structure 250 using the movable chief frame.

As illustrated in FIG. 8 (f), the support frame 110 spans the upper opening of the structure 250, and the support frame (with the moving frame 120 positioned in the inner space of the structure 250). The chieftain is installed in a form in which the work benches 820a and 820b are seated on the upper side of the 110 and the moving frame 120, respectively.

Referring to the installation process of the chief in detail, first, the mounting bar 210 of the support frame 110 in which the moving frame 120 is in contact with the lower position is positioned to span the upper opening of the structure 250 (FIG. 8). (a)). At this time, the prefabricated ladder 130 may be installed using the ladder insertion hole 230 of the support frame 110 and the ladder fastener 330 of the moving frame 120.

Subsequently, the length of the support wire 150 is adjusted so that the moving frame 120 is moved to an appropriate position in the downward direction (see FIG. 8B). At this time, the prefabricated ladder 130 is lowered with the moving frame 120 in a state in which one side is fixed to the ladder fastener 330.

Subsequently, the folding part 320 of the moving frame 120 is extended to the outside of the body 310 to increase the occupied space of the moving frame 120 (see FIGS. 8C and 8D). The folding bars 322 and 324 of the folding part 320 that extend outward form an edge of the extended moving frame 120.

After lowering the moving frame 120 to an appropriate height, the folding part 320 may be expanded to allow the space occupied by the moving frame 120 to be expanded, but for the convenience of operation, the moving frame 120 may be formed in the structure 250. Naturally, it can be moved downward after unfolding at the upper opening position.

Subsequently, work tables 820a and 820b are seated on each of the upper part of the support frame 110 and the extended moving frame 120 (see FIG. 8E). Naturally, the shape of each of the working tables 820a and 820b may be determined in consideration of the shape of the support frame 110 and the moving frame 120 to be seated, the presence of the support wire 150, and the like.

As illustrated in FIG. 8F, when the moving frame 120 is positioned to correspond to the position of the manhole 810 formed in the structure 250, the worker places the worktable 820b seated on the moving frame 120. The furnace may be moved through the manhole 810 or from the worktable 820a mounted on the support frame 110 using the prefabricated ladder 130.

As described above, the movable chieftain frame according to each embodiment is easy to carry, install and dismantle the chieftain, the chief may be installed at a height suitable for the characteristics of the structure on which the chieftain is to be installed, and coupled with the prefabricated ladder 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 wire
210: mounting bar 220: connecting bar
230: ladder insertion hole 250: structure
310: body portion 320: folding portion
322, 324: folding bar 326, 335: hinge portion
330: ladder fastener 410: unit module
420: unit body 430: scaffold member
610: bolt 620: nut
710 ring 720: folding member
810: manhole 820a, 820b: workbench

Claims (7)

A support frame positioned across the upper opening of the structure;
A moving frame supported and lifted by the support wire 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 inserted through the insertion hole provided in the support frame, the one side is fixed to the fastener provided in the moving frame,
The prefab 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,
The fastening end of the scaffold member is coupled to be rotatable outward of the unit body,
The free end side of the scaffold member is formed with a ring for positioning the folding member disposed to pass through the insertion hole,
And a free end of the scaffold member is moved in a direction in contact with the unit body when a force pulled toward the insertion hole is applied to the folding member. The method of claim 1,
The moving frame,
A plurality of folding bars coupled to a folding structure via a first hinge; And
It includes a body portion coupled to the folding portion rotatably via a second hinge at the end,
The plurality of foldable bar is removable using the first hinge and the second hinge to form a border of the extended moving frame, removable chief frame. The method of claim 2,
Removable chieftain frame is formed with a groove for receiving a fold in the body portion. delete The method of claim 1,
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. The method of claim 1,
Each unit body is connected to each other so as to be rotatable in a direction perpendicular to the direction in which the foot member fastened to the unit body, the removable chief frame. The method of claim 1,
A movable chieftain frame, wherein a predetermined worktable is seated on the support frame and the movable frame unfolded to a predetermined maximum size.

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