KR102146245B1 - Structure for fixing the falling preventing means for building construction - Google Patents

Abstract

The present invention relates to a structure for fixing a fall prevention means for building construction. The structure includes: a first support member (22) and a second support member (23) having ends rotatably hinged to each other and free ends of the other ends coupled to a vertical member (2) of a scaffold (1); couplers (10) mounted on the free ends of the first support member (22) and the second support member (23) so that the free ends of the first support member and the second support member can be coupled to the vertical member (2) of the scaffold (1) in a wedge manner to be decoupled therefrom; and a safety means disposed on the second support member (23) to block an object from falling. The couplers (10) each include: a base portion (11); a bent portion (13) formed on one end of the base portion (11) while an opening (102) of the base portion is formed in a protrusion (3) formed on the vertical member (2) of the scaffold (1); and a fixing portion (15) fitted between portions of the protrusion (13). The first and second support members (22, 23) can be easily coupled to the vertical member (2) of the scaffold, and a safety plate (3) can be easily installed by hanging, on the second support member (23), brackets provided on both sides of the safety plate, and thus work efficiency and safety can be increased.

Description

Fixed structure for fall prevention means for construction work {STRUCTURE FOR FIXING THE FALLING PREVENTING MEANS FOR BUILDING CONSTRUCTION}

The present invention relates to a fixed structure of a fall prevention means for construction, and in particular, an improved fall prevention means that can be easily and quickly installed on a scaffold to stably support a fall prevention means for preventing material from falling outside in a building construction site. It relates to a fixed structure.

In general, during building construction, internal construction is carried out with a lot of materials loaded on the building frame, and at this time, the material is prevented from falling to the outside of the building, and workers working on the scaffold installed outside the building Fall prevention means are installed as a safety measure to prevent accidentally falling outside the building. This fall prevention means is also necessary to prevent the crushed material from falling out of the building even when the building is dismantled.

For this reason, Article 456 of the Rules on Industrial Safety Standards prescribes the installation and method of falling object prevention nets, etc., in order to prevent the risk of falling objects among various dangers. It is a regulation that maintains an angle of 20 to 30 degrees and makes it inclined, and the installation height is 10 m. This should be observed at all construction sites.

Conventionally, such a fall prevention means has been used to form a frame by fixing a support pipe to a scaffolding pipe pipe installed outside of a building with a wire, and installing a safety net inside the frame, but this structure is used by an operator to fix the pipe with a wire. There was a problem of low work efficiency and low safety.

As a remedy for this, Korean Patent Laid-Open Publication No. 10-2006-0088083 (published on Aug. 3, 2006) discloses a falling object prevention net structure configured to be installed and dismantled inside a building. And install an upper bracket on the outer upper layer of the building to connect the lower end of one side of the support bar to the lower bracket, and connect the other upper part of the support bar to the upper bracket to be supported by a support member, and fit into the upper bracket. A safety net is configured to unfold on the inner wire and the outer wire inserted at the top of the support bar, and the connection between the support bar and the bracket and the support member is a structure for preventing falling objects connected by two unit connecting members in which a movable piece is hinged. .

However, the above-described conventional falling object prevention network structure has a problem in that the installation operation takes a lot of time and thus the work efficiency is low, and the cost increases due to the need for many parts such as upper and lower brackets.

Korean Patent Application Publication No. 10-2006-0088083 (published on August 3, 2006)

It is an object of the present invention to quickly and firmly connect the free ends of the horizontal support member and the inclined support member hingedly connected to each other so that one end is rotatably connected to each other to the vertical members of the scaffold in order to solve the above-described problems with the falling object safety net of the prior art. To provide an improved fall prevention means fixing structure for coupling and coupling a safety net or safety plate to the horizontal support member.

In order to achieve the above object, the fixing structure of the fall prevention means for building construction according to the present invention includes a first supporting member whose one ends are hingedly coupled to each other so that the free ends of the other ends are coupled to a vertical member of the scaffold, respectively. A second support member,

A coupling that is mounted on the free ends of the first support member and the second support member so as to releasably couple the free ends of the first support member and the second support member to the vertical member of the scaffold;

It is disposed on the second support member and includes a safety means to prevent falling objects from falling,

The coupler includes a base portion having an opening and a fixing pin portion that is connected to be vertically movable from the base portion and is inserted into the through hole formed in the protrusion while the opening is disposed on the protrusion formed on the vertical member of the scaffold. It is characterized by including the government.

The base part has a "c"-shaped bent part formed at one end of the base part, and the fixing part is formed to decrease in width downward, and is inserted between the inner side of the bent part and the protrusion formed on the vertical member of the scaffold, so as to be wedge-engaged. Are combined.

A long hole is formed in the fixing part, and a fixing pin fixed to the base part is inserted into the long hole to guide the vertical movement of the fixing part.

The protrusion formed on the vertical member has a "C" shape in cross section, and both ends are joined to the vertical member member, and a fixing pin formed at the side end of the fixing part is inserted into the through hole when the coupling hole is coupled.

A protrusion protruding downward is formed inside the upper end of the opening of the base portion, and the distance between the lower end of the protrusion and the inner bottom surface of the opening is preferably formed to be such that the protrusion formed in the vertical member of the scaffold can be inserted.

The fixing structure of the fall prevention means for construction according to the present invention is a fixing part 15 in a state where the opening 102 of the base part 11 of the coupling 10 is inserted into the protrusion 3 formed on the vertical member 2 of the scaffold. ) By moving downward from one end of the base 11 to the protrusion 3 by inserting and fixing the fixing pin 15 formed to extend downward, so that the installation work can be performed quickly and conveniently, A bent part 13 formed in a "c" shape at the other end is firmly engaged in a wedge-type between the protrusions 3 formed on the vertical member 2 of the scaffolding at the other end, and the first and second support members 22, 23) has the effect of being able to simply and firmly couple to the vertical member (2) of the scaffold, and the safety plate can be easily installed by hooking the brackets provided at both ends of the safety plate (3) to the second support member (23). Therefore, there is an effect of improving work efficiency and safety.

1 is a perspective view of a fixing structure for preventing falling means for construction according to the present invention.
FIG. 2 is an exploded perspective view of a coupling tool for coupling the inclined support member and the horizontal support member of the fixing device to the vertical member of the scaffold in the fixing structure of the fall prevention means of FIG.
3 is an enlarged view of a coupling member mounted on the free ends of the inclined support member and the horizontal support member of FIG. 1, showing a state before the coupling member is coupled by the fixing unit. .
Figure 4 is an exploded perspective view of the coupling of Figure 3;
5 is a front view showing a state in which a fixing pin is disposed in a portion extending laterally from the lower end of a long hole formed in the coupling unit body and the fixing part is tilted to the side.
6 is a schematic front view showing a state before the main body of the coupling tool of FIG. 5 is disposed on a protrusion formed on a vertical member of the scaffold and the fixing part is inserted.
FIG. 7 is a perspective view showing a state in which the fixing part in FIG. 5 is inserted into the inside of the bent part formed in the coupling body, and the coupling body is engaged in a wedge manner with respect to the protrusion of the vertical member of the scaffold.
Figure 8 is a front view of Figure 7;

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

In Figures 1 to 4, the fixing structure of the fall prevention means for building construction according to the present invention is hinged so that one end is rotatable with respect to each other, and the free ends of the other end are respectively coupled to the vertical member (2) of the scaffold (1). It is mounted on the free ends of the first support member 22 and the second support member 23, and the first support member 22 and the second support member 23 are free of the first support member and the second support member. The fitting 10 and the second support member 23 for wedge-connecting the ends to the protrusion 3 formed on the vertical member 2 of the scaffold 1 and the second support member 23 are, for example, a safety net or as in the illustrated embodiment. Likewise, it includes a safety means for preventing falling objects from falling, made up of a plate-shaped safety plate 5.

The first support member 22 and the second support member 23 are formed of a pipe, and the first support member 22 is flattened on a connecting piece 221 protruding at one end of the second support member 23. The one end is connected to be rotatable with a hinge pin 231. The second support member 23 is disposed to be inclined upward with respect to the vertical member 2 of the scaffold 1, and the first support member 22 is formed at the end of the second support member 23. By being disposed obliquely on the vertical member (2), the safety plate (5) installed on the second support member (23) is arranged to be inclined upward, so that even if a falling object bounces from the safety plate, it is directed toward the outer wall of the building, resulting in a safety accident due to falling objects. To prevent it from occurring.

The coupling hole 10 is provided at the free end of the other ends of the first support member 22 and the second support member 23, and a plate-shaped base portion 11 having an opening 102 formed thereon, and a fixing portion (15), wherein the fixing part 15 includes a fixing pin part 152 formed to extend downwardly and spaced from an upper end of one end thereof, and a protrusion 3 formed on the vertical support part 2 of the scaffold ) Is inserted into the through hole 31 and the coupling is coupled to the vertical support of the scaffold.

In addition, the fixing part 15 has a long hole 152 formed to be inclined, and the width gradually decreases toward the lower end to form a wedge shape.

The base portion 11 has a bent portion 13 bent inwardly in a "c" shape at the other end thereof, and includes a fixing pin 14 fixed on the upper side of the bent portion 13 of the fixed slope do.

With this structure, as the fixing part 15 moves downward, the protrusion formed on the inside of the "c"-shaped bent part 13 formed on one end of the base part 11 and on the vertical member 2 of the scaffold ( 3) Both ends of the fixing part are engaged in a wedge-like manner and are firmly coupled.

The fixing part 15 has a long hole 151 inclined so as to be inserted into the fixing pin 14, and a fixing pin part 152 bent from the top and extended downward is formed at one end thereof, so that the fixing part 15 ) Is guided by and configured to be moved up and down. An extension part 153 that is bent outward and extended horizontally is formed at the lower end of the long hole 151 so that the fixing part 15 can be folded outwardly and disposed as shown in FIG. 5, so that the installation operation described later is easy. Let's do it.

In addition, a protrusion 103 protruding downward is formed inside the upper end of the opening 102 of the base portion 11, and the distance between the lower end of the protrusion 103 and the inner lower end of the opening 102 is Since the protrusion 3 formed on the vertical member 2 is formed to the extent that it can be inserted, the opening 102 of the fixing part 15 is inserted into the protrusion 3 of the vertical member 2 and is disposed. It assists in preventing the protrusion 15 from being unexpectedly separated from the protrusion 3.

In addition, two fixing pieces 111 are formed protruding below the base portion 11, and one ends of the inclined support member 22 and the horizontal support member 23 are hinged between the fixing pieces 111 It is mounted rotatably with the pin 112.

A protrusion 3 is formed in the vertical member 2, and the protrusion 3 has a "c" shape in cross section and both ends are integrated by welding to the vertical member 2, and a through hole ( 31) is formed and the fixing pin portion 16 of the coupling hole 10 is inserted into the through hole 31, so that the coupling hole 10 is coupled to the vertical member 2 of the scaffold 1, and detailed description thereof Will be described later.

A process of safely installing the safety plate 5 with respect to the scaffold 1 as a fixing structure of the fall prevention means for construction use of the present invention will be described with reference to FIGS. 5 to 8.

As shown in Fig. 5, the opening 102 of the base portion 11 of the coupling hole 10 provided at the free ends of the first support member 22 and the second support member 23 is perpendicular to the scaffold. It is fitted to the protrusion 3 formed on the member 2, and at this time, the fixing part 15 is disposed to be folded outward in an elevated state.

Then, in the state of FIG. 5, the coupling hole 10 is placed by inserting the opening 102 of the base 11 into the protrusion 3 formed on the vertical member 2 of the scaffold 1 (FIG. 6), Then, the fixing part 15 is moved downward between the bent part 13 formed in the base part 11 and the protruding part 3 formed in the vertical member 2 of the scaffold, as shown in FIGS. 7 and 8, at this time A fixing pin part 152 that is spaced from one end of the fixing part 15 and extends downward is inserted into the through hole 31 of the protrusion 3 formed in the vertical member 2 of the scaffold, and the fixing part 15 As the width gradually increases from the lower part of the to the upper part, the bent part 13 formed in the base part 11 and the protrusion part 3 formed in the vertical member 2 of the scaffold as the fixing part 15 moves downward. Between the wedges. Strike the upper end of the fixing part 15 for complete wedge engagement by the fixing part.

The protrusions 3 are formed radially on the outer circumferential surface of the vertical member 2 of the scaffold so as to be spaced at right angles, so that the first and second support members can be coupled at any angle of the vertical member.

As described above, the fixing structure of the fall prevention means for construction according to the present invention is a "c" shape formed on one end of the base 11 as the fixing part 15 of the coupling 10 moves downward. The free ends of the first and second support members 22 and 23 are coupled in a wedge between the inside of the bent part 13 of the scaffold and the protrusion 3 formed on the vertical member 2 of the scaffold. It is firmly coupled to 2), and by fastening brackets provided at both ends of the safety plate 3 to the second support member 23, the safety plate can be quickly installed.

The present invention can be used as a fixed structure to quickly and safely install the fall prevention means for construction work on the scaffold.

1: scaffold 2: vertical member
3: protrusion 5: safety plate
10: coupling 11; Base
13: bent part 14: fixing pin
15: fixed part 22: first support member
23; Second support member 31: through hole
103: protrusion 111: fixed piece
112: hinge pin 151: long hole
152: fixing pin part 221: connection piece
231: hinge pin

Claims (5)

The first support member 22 and the second support member 23, wherein one end portions are hingedly coupled to each other and the free ends of the other ends are coupled to the vertical member 2 of the scaffold 1, respectively, and the first It is mounted on the free ends of the support member 22 and the second support member 23 so that the free ends of the first support member and the second support member are releasable with respect to the vertical member (2) of the scaffold (1). In the fixing structure of the fall prevention means for construction, including a safety means for preventing a falling object from falling by being disposed on the coupling hole 10 and the second support member 23 to be coupled,
The coupling hole 10 includes a base portion 11 having an opening 102 formed therein, and a protrusion 3 formed on the vertical member 2 of the scaffold 1 by connecting the opening 102 so as to move up and down from the base portion. ), and a fixing part 15 having a fixing pin part 152 that is fitted and coupled to the through hole 31 formed in the protrusion part 3,
The protrusion 3 formed on the vertical member 2 of the scaffold is formed by bonding both ends to the vertical member 2 in a "C" shape in cross section, and the upper end of the opening 102 of the base 11 A protrusion 103 protruding downward is formed inside, and the distance between the lower end of the protrusion 103 and the lower inner surface of the opening 102 is the protrusion 3 formed on the vertical member 2 of the scaffold to be inserted. A fixing structure for preventing fall for construction, characterized in that it is formed to be capable of.
The method of claim 1,
The base portion 11 is formed with a “c”-shaped bent portion 13 at one end thereof, and the fixing portion 15 is formed to decrease in width toward the lower side so that the inner surface of the bent portion 13 Fall prevention means fixing structure for construction, characterized in that the wedge is inserted between the and the protrusion (3).
The method of claim 2,
A long hole 151 is formed in the fixing part 15, and a fixing pin 14 fixed to the base part 11 is inserted into the long hole 151 to guide the vertical movement of the fixing part 15. Fixed structure of fall prevention means for construction work.







delete delete

Images