KR20020050321A - Scaffolding system - Google Patents

Abstract

PURPOSE: A safety footstep system is provided to maximally increase working space when building a retaining wall or constructing a structure to previously prevent accidents and to actively respond various working environments by making the footstep parallel to ground independently to slope of the retaining wall. CONSTITUTION: The footstep system comprises a plurality of footstep supports(4) including a support portion(2) horizontally mounted outside a retaining wall or a mould(F) for the wall, a vertical frame(20) connected to one side of the support portion(2) and a horizontal frame(22) rotatively engaged to one front end of the vertical frame(20); a footstep(6) seated on the horizontal frame(22); and a guide portion(8) to prevent accidental fall. The support(4) further includes an angle control portion(24) to adjust angles of the vertical and the horizontal frames(20,22).

Description

Safety Scaffolding System {SCAFFOLDING SYSTEM}

The present invention relates to a safety scaffolding system, and more particularly, it is possible to prevent a safety accident in advance by securing a work space of a worker at the time of construction of a retaining wall or a structure construction, and is easy to install, dismantle, and transport. Regardless of the inclination of the retaining wall is made of a structure that can keep the scaffold horizontal to the ground relates to a safety scaffolding system that can respond more actively to a variety of working environments.

In general, safety accidents that occur during the construction of retaining walls or construction of structures are mostly caused by falling of the worker and falling accidents due to inadequate safety railing and scaffolding.

Therefore, in order to prevent such safety accidents in advance, a frame is formed by combining pipes in a scaffolding frame, that is, a transverse direction and a longitudinal direction, on the outside of the concrete formwork so as to secure a worker's work space for concrete placing and material transportation. Later, the scaffolding mold is temporarily installed to secure the safety of the worker.

However, the above-described conventional safety scaffolding takes excessive work time for installation and dismantling of the scaffolding frame, which is performed every time, considering the characteristics of moving after demolition of concrete within 2-3 days in the retaining wall formwork process performed by a simple process. Of course, the scaffolding is composed of a structure that separates or combines with a fastening bolt, etc., the durability of the structure is weak, causing safety accidents caused by collapse, and the work process is very complicated during installation and dismantling, Additional burdens such as material and labor costs due to repeated manufacture and withdrawal, and additional manufacturing due to the loss of accessories during transportation and storage are to be taken.

In particular, the scaffold is limited to use only when the retaining wall or the structure to be constructed is perpendicular to the ground, and the scaffold frame and the scaffold having another structure can be installed correspondingly when the retaining wall or the structure has an inclination. Since the back should be manufactured, there is a problem that many limitations follow in its structure to actively use in various working environments.

Accordingly, the present invention has been proposed to solve the above problems, the object of the present invention to ensure the maximum work space and safety of the operator while at the same time corresponding to the slope of the retaining wall or structure to be built, installation and removal and, The present invention provides a safety scaffolding system that is easy to move and store.

In order to achieve the above object, the present invention,

A plurality of scaffold supports having a support portion provided in the transverse direction from the outside of the formwork or retaining wall when constructing the retaining wall, a vertical frame coupled to one side of the support portion, and a horizontal frame rotatably coupled at one end of the vertical frame. And a scaffold seated on a horizontal frame of the scaffold support, and a guard portion coupled to the horizontal frame tip of the scaffold support to prevent a worker from falling, wherein the scaffold support has an angle for adjusting the horizontal frame at various angles. It provides a safety scaffolding system further comprising an adjustment unit.

1 is an exploded perspective view of the safety scaffolding system according to the present invention.

2 is a perspective view of the safety scaffolding system according to the present invention.

Figure 3 is a perspective view of the scaffold support of the safety scaffolding system according to the present invention.

4 is a side cross-sectional view of FIG.

5 is a functional diagram of FIG.

Figure 6 is a state of use of the scaffold support of the safety scaffolding system according to the present invention.

7 is a side cross-sectional view showing the folded state of FIG.

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

1 and 2, 3, and 4,

Safety scaffolding system according to the present invention is a vertical frame that is coupled to the side of the support portion (2) is installed in the transverse direction from the outside of the formwork (F) or retaining wall (not shown) at the time of construction of the retaining wall, A plurality of scaffold supports (4) having a horizontal frame (22) rotatably engaged at one end of the vertical frame (20) and the horizontal frame (22) of the scaffold support (4). Composed of the footrest 6 and the guard portion 8 to prevent the fall of the operator is coupled to the front end of the horizontal frame 22 of the footrest support 4, the footrest support 4 is a vertical frame 20 And an angle adjusting unit 24 for adjusting the horizontal frame 22 to various angles.

The support portion 2 is directly fixed to the outside of the formwork (F) or retaining wall to serve as a kind of scaffolding frame for stably supporting the scaffold support (4) to be described later,

One or more support pipes 10 are provided in the transverse direction outside the formwork F or the retaining wall, and fastening portions, ie, the formwork for fixing the support pipe 10 to the outside of the formwork F or the retaining wall. F) a fastening rod 12 having a threaded portion corresponding to the locking pin hole H formed in the retaining wall or the retaining wall, and a fastening bolt 14 engaged with the threaded portion of the fastening rod 12. ) And fixing grooves 16 corresponding to the outer circumferential surface of the support pipe 10 so that the outer circumferential surface of the support pipe 10 can be fixed or released by tightening or loosening the tightening bolt 14. It consists of a clamp 18 is formed to be separated from each other symmetrically.

The support pipe 10 is formed to have a constant length can be used a conventional pipe member having a hollow and having a circular or polygonal cross section.

In the above description, although the fastening rod 12 is directly coupled to the locking pin hole H or the retaining wall of the formwork F, the fastening rod 12 is coupled to the coupling hole or the like involved in the construction of the formwork F. By corresponding, it can be combined in various ways.

The scaffold support 4 is installed in the longitudinal direction in the support pipe 10 of the support portion 2 fixed to the outside of the formwork (F) or retaining wall to ensure that the scaffold 6 to be described later stably supported By

A vertical frame 20 coupled to one side of the support pipe 10 of the support 2, a horizontal frame 22 rotatably coupled to an upper end of the vertical frame 20, and the vertical frame 20. And an angle adjuster 24 for adjusting the horizontal frame 22 to various angles.

The vertical frame 20 is a conventional shaped steel having an open shape on one side, the upper end portion is provided with a fastening ring 26 for fitting to the support pipe 10 of the support (2).

In addition, the upper end portion of the vertical frame 20 is formed with a first hinge portion 28 for smoothly rotating by combining the horizontal frame 22 to be described later, the angle adjusting portion 24 to be described later One side of the) is coupled to form a second hinge portion 30 for smooth rotation.

The horizontal frame 22 is made of a shape steel having the same shape as the vertical frame 20, one end portion is rotatably coupled by a first hinge portion 28 formed on the upper end portion of the vertical frame 20 On the other side, a slide part, that is, a stopper 32, an opening 34, and a guide plate 36 are formed so that one side of the angle adjusting part 24 which will be described later is inserted, fixed and slidable. )

In addition, the other end of the first hinge portion 28 of the horizontal frame 22 is formed with a fastening bar 38 for fixing the guard portion 8 described later, and a plurality of fixing protrusions 40 on the upper surface. Is formed to protrude in a state spaced at a predetermined interval is to be able to maintain a stable seating state in the horizontal frame 22 to be described later scaffold (6).

In addition, a safety protrusion 42 is further formed on one side of the horizontal frame 22, that is, on the side of the first hinge portion 28.

The safety protrusion 42 is to double the safety accident caused by the breakage of the first hinge portion 28 which rotatably fastens the vertical frame 20 and the horizontal frame 22, the vertical On the upper side of the frame 20, a long hole-shaped safety hole 44 for receiving the safety projections 42 of the horizontal frame 22 is formed.

The scaffold 6 is installed on the horizontal frame 22 of the scaffold support 4 to secure the working space of the worker,

And the outer frame 46 of the general rectangular shape to be seated on the horizontal frame 22 of the plurality of scaffold support (4) which is installed spaced apart at regular intervals in the longitudinal direction of the support portion 2, that is, the support pipe 10 and In addition, the inner side of the outer frame 46 is made of a support plate 48 which is integrally coupled by welding or a similar coupling method.

The support plate 48 actually serves as a passageway for a worker's work space and material transport, and has a plate shape having a plurality of holes having a predetermined thickness to prevent slippage and to smoothly discharge moisture and foreign matters. Wire mesh sheet of the can be used, the through hole 50 formed in the support plate 48 is coupled to the fixing projection 40 formed in the horizontal frame 22 of the scaffold support 4 the scaffold 6 is a horizontal frame It is possible to maintain a more stable seated state at the upper side of (22).

In addition to the above-described wire mesh sheet, the supporting plate 48 may be applied to all of the supporting plates 48 as long as they satisfy the object of the present invention.

The guard portion 8 is fitted to the fastening bar 38 formed on the outer end of the horizontal frame 22 of the scaffold support 4 to further secure the safety of the operator,

Vertical bars 52 which are fitted in the longitudinal direction to the fastening bar 38 formed on the horizontal frame 22 of the scaffold support 4, and are fixed in the horizontal direction spaced apart in the longitudinal direction of the vertical bar 52 It consists of two or more horizontal bars (54).

In addition, a fastening member for fastening the vertical bar 52 and the horizontal bar 54 has a ring portion formed on one side and a conventional stud bolt (STUD BOLT) having a threaded portion formed on the other side thereof. All satisfying fastening members can be applied.

Therefore, the horizontal bar 54 is coupled to the inside of the ring portion of the stud bolt 56, and the screw portion formed on the other side of the ring portion is inserted into the through hole formed in the vertical bar 52, and then a separate portion corresponding to the screw portion is provided. The nut is screwed into the screw.

As shown in FIGS. 3 and 4, the angle adjuster 24 is for variously adjusting the angle of the horizontal frame 22 rotatably coupled to the vertical frame 20 of the scaffold support 4. Write,

A first rod 58 rotatably coupled by a second hinge portion 30 to one lower side of the vertical frame 20 of the scaffold support 4 and can be fixed and slidable at a slide portion of the horizontal frame 22. It consists of a second rod 60 to be coupled to each other, and an adjustment rod 62 for adjusting the length of the first rod 58 and the second rod 60.

The first rod 58 is formed of a screw portion having a lead angle running in one direction, and one side of the first rod 58 is rotatably coupled to the second hinge portion 30.

In addition, the second rod 60 is formed of a screw having a lead angle running in a direction opposite to the lead angle of the threaded portion formed on the first rod 58, and one end portion is slid to the slide portion of the horizontal frame 22. Slider 64 for is formed integrally.

The adjusting rod 62 is formed of a pipe member having a generally circular or polygonal shape, and the inner space portion has screw holes corresponding to the screw portions of the first rod 58 and the second rod 60, respectively, at both end portions thereof. Each is provided.

The outer circumferential surface of the adjusting rod 62 is preferably subjected to a knurling treatment on the surface so that the user can rotate the rod more easily. In addition, all surface treatments satisfying the object of the present invention may be applied. It can be carried out.

Accordingly, a preferred example of the safety scaffolding system according to the present invention made as described above in combination with the formwork installed at the time of retaining wall construction will be described with reference to FIGS. 1, 5, and 6.

First of all, the installation work of the support part 2 is performed on the outside of the formwork F installed for building the retaining wall.

First, the fastening groove of the clamp 18 to which the support part 2, that is, the screw part of the fastening rod 12, is fastened to the locking pin hole H formed in the die F, and the fastening rod 12 penetrates and is coupled thereto. After inserting the outer circumferential surface of the support pipe 10 into the (16), by rotating the tightening bolts 14 engaged in the threaded portion of the fastening rod 12 in one direction to press the outer surface of one clamp 18 The clamp 18 is moved by the tightening bolt 14 to press the outer peripheral surface of the support pipe 10.

Therefore, the support pipe 10 is firmly fixed to the outside of the formwork F by the clamp 18, and the fastening rod 12 and the clamp 18 are formwork F according to the required working conditions. By adjusting the interval in the transverse direction of a plurality of spaced apart at a predetermined interval can be installed.

When the above coupling process is completed, the fastening ring 26 formed on the upper portion of the vertical frame 20 is fixed to the support pipe 10 firmly fixed to the outside of the formwork (F) to be fixed.

In addition, the horizontal rod 22 coupled by the first hinge portion 28 of the vertical frame 20 rotates the adjustment rod 62 of the angle adjuster 24 in one direction so that the horizontal frame 22 is horizontal with the ground. In this case, the horizontal frame 22 is rotated by the first hinge portion 28 to be horizontal to the ground.

Thus, the horizontal frame 22 is to be firmly fixed and supported while maintaining a state parallel to the ground by the foot control unit 24.

When the above process is completed, the inner diameter of the guard part 8, that is, the vertical bar 52, is fixed to the outer diameter of the fastening bar 38 formed at one end of the horizontal frame 22.

Then, when the fastening of the fastening bar 38 and the vertical bar 52 of the horizontal frame 22 is completed by the above coupling process, after coupling the horizontal bar 54 to the inside of the ring portion of the stud bolt 56 After inserting the threaded portion of the stud bolt 56 into the fastening hole formed in the vertical bar 52, by fastening and fixing a separate nut having a female threaded portion corresponding to the threaded portion of the stud bolt 56, The guard portion 8 is firmly provided at the tip of the frame 22.

When the coupling is completed, the scaffold 6 is installed on the horizontal frame 22 of the scaffold support 4 fixedly spaced apart at a predetermined interval from the support pipe 10 of the support part 2,

At this time, the scaffold support 4 supporting the scaffold 6 has a structure in which at least two or more scaffold supports one scaffold, that is, the left and right front end portions of the scaffold 6 of the scaffold support 4. What is necessary is to combine so that the horizontal frames 22 may be located, respectively.

And, when more rigid support of the footrest 6 is required, the footrest coupled to the support pipe 10 of the support part 2 such that at least two or more foothold supports 4 can be located under the footrest 6. What is necessary is to adjust the space | interval of the support stand 4, and to install.

The footrest 6 seated on the horizontal frame 22 by the above coupling process is formed in the fixing protrusion 40 and the support plate 48 of the footrest 6 protruding from the upper side of the horizontal frame 22. By being inserted into the 50, it is fixed and supported on the horizontal frame 22 more stably.

Thus, it is only necessary to install the scaffold support 4 and the scaffold 6 in the longitudinal direction of the support pipe 10 so that the working space and the passage of the worker can be secured by the above installation method.

And, if the retaining wall to be built as shown in Figure 6 is not formed vertically on the ground, but is inclined at a constant slope after combining through the same coupling method as described above, scaffolding so that the horizontal frame 22 is horizontal to the ground The angle adjusting part 24 of the support 4, that is, the adjusting rod 62 is rotated in one direction.

Then, the threaded portion of the first rod 58 and the threaded portion of the second rod 60 are engaged with the female threaded portion of the adjusting rod 62 to move inwardly, and the length thereof is reduced. 2 As the length of the rod 60 is reduced, the horizontal frame 22 is rotated by the first hinge portion 28 of the vertical frame 20 to be fixed and supported in a state where it is kept horizontal to the ground, whereby the retaining wall is formed to be inclined. Even during the construction work, the worker's workspace can be secured.

Therefore, by rotating the adjusting rod 62 in accordance with the inclination of the retaining wall is built to extend or reduce the length of the first rod 58 and the second rod 60 so that the horizontal frame 22 is horizontal to the ground. By doing so, it can be actively utilized for the construction of the retaining wall having various inclinations.

Then, 2-3 days after the completion of the concrete pouring for the retaining wall construction when dismantling the safety scaffolding system is to disassemble in the reverse order of the above coupling process.

In addition, FIG. 7 is a view illustrating a state in which the scaffold support 4 is completely folded to be easily transported or stored, and briefly described above with reference to FIG. 4.

First, a slider formed at the tip of the second rod 60 by rotating the first rod 58 by rotating the first rod 58 of the angle adjuster 24 about the second hinge portion 30. 64 slides on the slide portion of the horizontal frame 22 to be folded into the vertical frame 20.

Then, the horizontal frame 22 is rotated by the first hinge portion 28 of the vertical frame 20 so that the horizontal frame 22 is completely folded into the vertical frame 20 as shown in FIG. 7. By minimizing the volume, it is easier to transport or store.

In addition, the above embodiment is described as being performed by coupling the fastening rod 12 of the safety scaffolding system to the locking pin hole H of the formwork F, but is not limited thereto.

For example, by fastening and fastening the fastening rod 12 directly to the retaining wall, it is possible to exert a more firm support force, and in addition to the fastening method that satisfies the object of the present invention, it is possible to apply and carry out all of the fastening methods. Naturally, it belongs to the scope of the invention.

In this way, the present invention can be securely fixed to the formwork or retaining wall installed during the construction of the retaining wall or the construction of the structure to ensure the maximum work space of the worker to prevent the safety accident due to collapse or fall in advance, in particular of the retaining wall By allowing the scaffold to be horizontal to the ground without being limited to the inclination, etc., there is an effect that can more actively respond to various working environments.

Claims (3)

A plurality of scaffold supports having a support portion provided in the transverse direction from the outside of the formwork or retaining wall when constructing the retaining wall, a vertical frame coupled to one side of the support portion, and a horizontal frame rotatably coupled at one end of the vertical frame. And a scaffold seated on a horizontal frame of the scaffold support, and a guard portion coupled to the horizontal frame tip of the scaffold support to prevent a worker from falling, wherein the scaffold support has an angle for adjusting the horizontal frame at various angles. Safety scaffolding system further comprises an adjustment. The method of claim 1, wherein the angle adjusting portion of the footrest support is a first rod rotatably coupled to the lower side of the vertical frame, a second rod fixed and slidably coupled to the horizontal frame, the first rod and the first 2 is made of an adjustment rod for adjusting the length of the rod, the safety scaffolding system, characterized in that the screw portion of the first rod and the second rod made of a lead angle running in the opposite direction to each other. The safety scaffolding system according to claim 1 or 2, wherein the first rod and the second rod of the angle adjuster are reduced or expanded in length by one direction rotation of the adjustment rod.