KR20120133013A

KR20120133013A - Handrail for construction works

Info

Publication number: KR20120133013A
Application number: KR1020110051466A
Authority: KR
Inventors: 양승진; 탁재균
Original assignee: (주)베이스테크; 탁재균
Priority date: 2011-05-30
Filing date: 2011-05-30
Publication date: 2012-12-10

Abstract

PURPOSE: A safety handrail for construction works is provided to facilitate installation works by securely fixing a moving member on a handrail mounting unit. CONSTITUTION: A safety handrail for construction works comprises columns(1), safety rope connecting hooks, supports(7), connecting brackets(9), moving members(11), diameter expansion rings(13), and tightening protrusions(15). The safety rope connecting hooks connect the columns to each other using safety ropes. The supports are coupled to the bottoms of the columns and coupled to the rear surfaces of handrail mounting units. The connecting brackets are coupled to the columns in a line with the supports. The moving members are arranged between the supports and the connecting brackets and coupled to the connecting brackets. The diameter expansion rings expands the diameters of the moving members. The tightening protrusions are coupled to the outer surfaces of the moving members at uniform intervals.

Description

Handrail for construction works {Handrail for construction works}

The present invention relates to a safety handrail for building construction that can be fixed to steel structures, such as H beam (H beam) when building the building to hang the worker's lifeline or the worker can move.

In general, safety railings for building construction is temporarily installed on the railing installation portion of the steel structure, such as H beam (H beam) that is horizontally arranged when the building construction. These safety railings are installed at rail intervals such as H beams at regular intervals, and they are connected by a safety cord so that the worker can move by holding the safety cord by hand or by connecting a lifeline connected to the body of the worker to the safety cord so that the worker can move safely. It is used to

Conventional safety railings are vertically arranged pillars, the support is coupled to the lower portion of the pillar and closely adhered to the lower portion of the handrail installation, such as H-beam, and the corresponding spacing corresponding to the support is spaced at a certain interval and coupled to the pillar side and the top of the handrail installation It includes a fastening member that is in close contact.

The fastening member may be coupled to the pillar side in the same manner as the bolt and moved in the up and down direction to be in close contact with the upper part of the railing installation unit such as an H beam. In particular, the fastening member is provided with a tool insertion hole in the horizontal direction to the portion protruding upward.

The conventional safety railing is configured as described above when the tool is inserted into the tool insertion hole to rotate the fastening member, the fastening member rotates and moves in the up and down directions to be tightly fixed to the railing installation unit such as an H beam.

Such a conventional safety railing has a problem that it is cumbersome and inconvenient to insert a tool into a tool insertion hole and rotate the fastening member to fasten the railing installation unit.

In addition, the conventional safety railing is fixed to the handrail installation unit such as H-beam by the force of the operator, so that the operator should apply a sufficient force to rotate the fastening member to fix the handrail installation when the worker is less tightening the fastening member There is a problem that a safety accident may occur due to departure from the department.

In addition, the conventional safety railing has a structure in which the fastening member protrudes upwards, so that when the worker moves in a narrow handrail installation portion such as an H beam, the foot may be tripped over the protruding portion of the fastening member or the worker may fall from the air. There is a risky problem.

Therefore, the present invention has been proposed to solve the above problems, the object of the present invention is to install the railing of the moving member fastened to the railing installation portion, such as H-beam by tapping using a hammer or the like commonly used by the worker It is to provide a safety railing for building construction, which is fixed to the department and is convenient for installation work, thereby reducing the work man-hour.

In addition, the present invention can be firmly fixed to the upper portion of the handrail installation portion of the moving member fastened to the handrail installation portion, such as H-beam using a tool such as a hammer without the moving member is separated from the handrail installation portion. The purpose of the present invention is to provide a safety railing for building construction that can be firmly fixed to prevent a worker's safety accident.

In addition, the present invention provides a safety railing for building construction that can prevent the fall from high altitude by minimizing the protruding portion of the upper portion of the railing installation, such as the H-beam where the safety railing is installed so that the worker does not trip over the foot. It is.

In order to achieve the object of the present invention as described above, the present invention is a column, the support is coupled to the lower side of the pillar is coupled to the back side of the handrail installation portion, a certain distance is lifted from the support is coupled to the pillar and the support A connecting bracket disposed in the same direction, a movable member disposed between the support and the connecting bracket and screwed to the connecting bracket side to move up and down to be in close contact with the upper surface of the handrail mounting portion, and an outer peripheral surface of the movable member. Provides a safety handrail for building construction including a plurality of tightening protrusions are coupled to the at regular intervals.

The moving members are preferably arranged in pairs in one or in parallel.

The moving member is made of a hollow in the connecting bracket and is coupled to a fixing member provided with a screw groove therein, it is preferable that a screw thread is screwed to the fixing member is provided on the outer peripheral surface.

Preferably, the movable member has a protrusion having a portion protruding toward the support bracket, and a fixing member provided with a screw thread on an outer circumferential surface of the protrusion, and a screw groove screwed to the thread of the fixing member. Do.

It is preferable that a diameter expansion ring for expanding the diameter of the movable member is coupled between the movable member and the tightening protrusion.

Preferably, the tightening protrusion is provided with a tool insertion hole in a direction perpendicular to the protruding direction.

The pillar is preferably coupled to the reinforcing member on the surface facing the handrail installation.

The movable member is preferably provided with an inclined surface portion in which the outer peripheral side of the lower surface protrudes downwardly or inclined downward from the central portion to the outer peripheral side of the lower surface central portion.

The support may include a pair of first brackets coupled to the pillar at a right angle toward the railing installation side, and a second bracket coupled to the front end portion of the first bracket.

The connecting bracket includes a pair of third brackets coupled to the pillar at a right angle toward the railing installation portion, and a fourth bracket coupled to the distal end of the third bracket, wherein the third bracket and the fourth bracket meet each other. It is preferable that the moving member is coupled to the pair in parallel.

The pillar is preferably coupled to the safety line connecting ring for connecting the safety line.

In the present invention, when the moving member is rotated by hammering the tightening protrusion with a hammer, the moving member rotates and moves to the handrail installation side, so that the fixed installation can be maintained firmly in the handrail installation unit, thereby simplifying the installation work and reducing the work manpower. It works.

In addition, the present invention is fixed to the handrail installation by rotating the moving member by tapping the tightening projection with a hammer, etc. At this time, the outer peripheral portion of the lower surface of the moving member is embedded in the handrail installation to maintain a firm fixed state of the handrail from the handrail installation There is no effect to prevent safety accidents.

In addition, the present invention has a tightening protrusion is disposed on the lower side of the connection bracket does not have a portion protruding to the upper side of the connection bracket to prevent the worker from falling over the foot during the movement of the operator to prevent the fall from the high have.

In addition, the present invention has the effect of reducing the manufacturing cost and improve the productivity because the structure is simple while maintaining a firmly bonded structure to the handrail installation.

1 is a view showing an example in which a safety railing for building construction is installed to explain an embodiment of the present invention.
2 is a view showing an example of a building construction safety railing for explaining the embodiment of the present invention.
3 is an enlarged view of a main part of FIG. 2;
4 is a partial cross-sectional view of a portion IV-IV of FIG. 3 taken away.
5 is an enlarged view illustrating a bottom portion of a moving member to explain an embodiment of the present invention.
6 shows another example of an embodiment of the present invention.
7 shows another example of an embodiment of the present invention.
8 is an enlarged view of a main part of FIG. 7.
9 is a diagram showing another example of an embodiment of the present invention.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and the same or similar components are denoted by the same reference numerals throughout the specification.

1 is a view showing a state in which an embodiment of the present invention is applied. FIG. 2 is a view showing an embodiment of the present invention, and FIG. 3 is an enlarged view of the main part of FIG. 2 and shows a safety railing for building construction (hereinafter, referred to as a safety railing).

Safety railing of the embodiment of the present invention, the pillar (1), the safety straps (3, 5), the support (7), the connecting bracket (9), the moving member (11), diameter expansion ring (13), a plurality of And a tightening protrusion 15.

Safety railings for building construction of the embodiment of the present invention can be fixed to be arranged at regular intervals on the handrail installation portion (H) made of steel structures such as H beam.

The pillar 1 has a space provided therein and may have a square pipe shape. These pillars 1 may be arranged in a vertical direction to the handrail installation portion (H).

And to the column (1) can be coupled to the safety rope connecting loops (3, 5) for connecting the safety handrail to the safety wire (W) in the middle (shown in Figure 1).

Safety line (W) may be connected to the worker by holding the hand or moving fall prevention lifeline (not shown) connected to the body of the worker by a ring or the like.

As shown in FIGS. 2 and 3, the support 7 may be coupled to the lower portion of the pillar 1 and coupled to the rear surface (opposite side of the upper surface) of the railing installation portion H. As shown in FIG.

The support 7 includes a first bracket 17 and a second bracket 19. The first bracket 17 is coupled to the pillar 1 at a right angle toward the railing installation portion H side and is preferably formed in pairs. In addition, the second bracket 19 is preferably coupled to the distal end of the first bracket 17. The first bracket 17 and the second bracket 19 may be arranged in a vertical position with a plate, and an upper portion thereof may be in close contact with the rear surface (the opposite surface of the upper surface) of the handrail installation portion H.

The first bracket 17 is preferably coupled to the column 1 by welding. The second bracket 19 may be coupled to the front end portion of the first bracket 17 in a right angle. Preferably, the second bracket 19 is made larger than the width of the tip portion of the first bracket 17. The second bracket 19 may maintain a fixed state more stably by increasing the contact area with the handrail mounting portion H.

The connecting bracket 9 is coupled to the column 1 by welding or the like in a direction parallel to the support 7. The connection bracket 9 is preferably arranged at a constant distance from the support (7). A portion of the handrail mounting portion H may be inserted into the space formed by the connection bracket 9 and the support 7, and is a space in which the movable member 11 may move.

The connecting bracket 9 can be joined by bending the free end portion to the column 1 by bending the center portion of the plate. That is, the connecting bracket 9 is bent in the center to be arranged in parallel with the support 7 and both ends are joined by welding to the column (1).

The fixing member 21 provided with the screw groove 21a is coupled to the inner space of the bent portion of the connection bracket 9. The fixing member 21 is made of a hollow shaft as an example, and a screw groove 21a is provided therein. It is preferable that the fixing member 21 (shown in FIG. 4) has a height (h, or width, shown in FIG. 3) equal to or smaller than the height of the connecting bracket 9. The fixing member 21 does not protrude to the upper portion of the connection bracket 9 so that the operator's foot is not caught by the fixing member 21.

As shown in FIG. 4, the movable member 11 is provided with a screw thread on an outer circumferential surface thereof and is screwed into the screw groove 21a of the fixing member 21 to move upward and downward while rotating. That is, the moving member 11 may move in the up and down direction in some sections between the support 7 and the connection bracket 9.

The moving member 11 may move in an upward and downward direction to be in close contact with the upper surface of the railing installation part H.

The diameter expansion ring 23 may be coupled to the outer circumferential surface of the moving member 11 by welding. The diameter expansion ring 23 serves to increase the diameter of the movable member 11 and may reduce the force required when the movable member 11 rotates.

It is preferable that a plurality of tightening protrusions 15 are coupled to the outer circumference of the diameter expansion ring 23.

Tightening protrusion 15 is preferably a plurality of coupling at regular intervals in the lateral direction of the diameter expansion ring (23). The diameter expansion ring 23 and the plurality of tightening protrusions 15 may be made of one member made of a casting or the like.

In the exemplary embodiment of the present invention, the tightening protrusion 15 is illustrated to illustrate an example in which the tightening protrusion 15 is coupled to the outer circumferential surface of the diameter expansion ring 23, but the present invention is not limited thereto and may be directly coupled to the moving member 11. The coupling structure of the tightening protrusion 15 can more simply constitute a safety handrail of an embodiment of the present invention.

The moving member 11 has an inclined surface portion 11b having an angle a with the lower peripheral surface protruding downward (represented by the interval t in FIG. 5) relative to the lower surface central portion or the lower surface inclined downward from the central portion to the outer peripheral side. Can be provided.

The structure of the lower surface of the moving member 11 is the outer peripheral surface side of the moving member 11 is the upper surface of the handrail mounting portion (H) when the moving member 11 is in close contact with the upper surface of the handrail mounting portion (H). It can be kept firmly fixed (shown in Figure 5).

In the exemplary embodiment of the present invention, the inclined surface portion 11b is provided on the lower surface of the moving member 11 or the outer circumferential side of the lower surface is illustrated by showing a structure that protrudes further in the lower side direction than the central portion, but is not limited thereto. It is also possible that the toothed portion 11d (shown in FIG. 9) is provided downward in the circumferential direction of the outer peripheral side of the lower surface of the moving member 11.

The structure of the moving member 11 is also intended to maintain a firm fixed state when the moving member 11 is in close contact with the handrail installation portion (H) is embedded in the handrail installation portion (H).

Meanwhile, as another example of the embodiment of the present invention, as shown in FIG. 6, the fixing member 21 of the male screw type is coupled to the connecting bracket 9, and the movable member 11 may be formed of the female screw type. . That is, the fixing member 21 has a protrusion 21c protruding a part of the connecting bracket 9 toward the support 7 and a thread 21b is provided on the outer circumferential surface of the protrusion 21c, and the movable member 11 is provided. ) Is made hollow and provided with a screw groove 11c therein and may be screwed to the thread 21b of the fixing member 21.

Another example of this embodiment of the present invention shows that the present invention can be variously implemented.

On the other hand, the tightening protrusion 15 is preferably provided with a tool insertion hole 15a in a direction perpendicular to the direction in which it protrudes.

The tightening protrusion 15 may be moved by using a tool such as a hammer to rotate the movable member 11 to move up and down, as well as by using another tool such as a screwdriver entering the tool insertion hole 15a. The moving member 11 may be rotated to move up and down.

On the other hand, the column 1 may be coupled to the reinforcing member 25 on the surface facing the handrail installation portion (H). The reinforcing member 25 may increase the rigidity of the pillar 1 to prevent the pillar 1 from bending to the outside of the handrail installation portion H.

7 and 8 are views for explaining another example of an embodiment of the present invention, showing a safety railing for building construction.

Another example of the embodiment of the present invention will be described only the other parts compared to the above-described embodiment and the same parts will be replaced by the description of the above-described embodiment.

In the above-described embodiment, an example in which the movable member 11 is formed is illustrated and described. However, in another example of the exemplary embodiment of the present invention, the movable members 11 are disposed in pairs.

That is, the connecting bracket 9 is a pair of third bracket 27 and the fourth bracket coupled to the distal end of the third bracket 27 and are coupled to the pillar 1 at a right angle toward the handrail installation portion H. Include. And the moving member 21 is coupled in parallel to the portion where the third bracket 27 and the fourth bracket 29 meet. Of course, the movable member 21 is a pair of fixing member 21 may be coupled to the connection bracket 9, the movable member 11 is coupled to the fixing member 21.

Another example of this embodiment of the present invention can be secured more securely to the guardrail mounting portion (H) by arranging the moving member 11 side by side in plurality.

Referring to the process of installing the safety railing of the embodiment of the present invention made as described above are as follows.

First, the worker inserts a portion between the support 7 of the safety railings and the connecting bracket 9 on one side of the handrail installation portion (H) made of H-beams. Then, by using a tool such as a hammer to strike the tightening projection 15 in the horizontal direction (for example clockwise).

Then, as the tightening protrusion 15 rotates, the diameter expansion ring 13 rotates, and at the same time, the movable member 11 rotates along the screw groove 21a of the fixing member 21. Then, the moving member 11 rotates and moves in the direction of the handrail installation portion H (arrow of FIG. 4).

Repeating this process, the moving member 11 is in close contact with the upper surface of the handrail installation portion (H). And the moving member 11 is fixed while the outer peripheral side of the lower surface of the moving member 11 is in close contact with the upper surface of the handrail installation portion (H) to dig into the top surface of the handrail installation portion (H).

Then, secure or secure the safety cord (W) to the safety cord hook (3, 5).

Disassembling the safety handrail according to the embodiment of the present invention, when the worker hits the tightening protrusion 15 in the opposite direction by using a tool such as a hammer, while the moving member 11 rotates in the opposite direction, the handrail installation portion H Are separated).

Thus, the embodiment of the present invention can be easily installed on the handrail mounting portion (H) by hitting the tightening protrusion 15 using a tool such as a hammer.

Particularly, in the embodiment of the present invention, the outer circumferential side of the lower surface of the moving member 11 may be lodged on the upper surface of the handrail installation portion H, thereby maintaining a firm fixed state.

In addition, the embodiment of the present invention is disposed on the lower side of the connecting bracket (9) by the tightening protrusion (15) without moving member 11 does not protrude upward of the connecting bracket (9) Since there is no protruding member, the worker can safely move along the narrow handrail installation portion (H), thereby preventing falling accidents.

In addition, the embodiment of the present invention is made of a simple structure while being securely fixed to the guardrail mounting portion (H) can reduce the manufacturing cost.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, And it goes without saying that the invention belongs to the scope of the invention.

1. pillar,
3, 5. safety straps,
7. Support,
9. connecting bracket,
11. Moving member, 11a. Thread, 11b. Inclined surface portion, 11c. Screw groove, 11d. Toothed,
13. diameter expansion ring,
15. Tightening protrusions, 15a. Tool inserter
17. The first bracket,
19. the second bracket,
21. Fastening member, 21a. Screw groove, 21b. Thread, 21c. projection part
23. Diameter expansion ring,
25. reinforcing members,
27. the third bracket,
29. Fourth Bracket

Claims

Pillar,
A support coupled to the bottom of the pillar and coupled to the rear side of the railing installation unit;
A connection bracket is spaced apart from the support to be coupled to the pillar and disposed in the same direction as the support,
A moving member disposed between the support and the connection bracket and screwed to the connection bracket side to move upward and downward to be in close contact with the upper surface of the railing installation part;
A plurality of tightening protrusions coupled to the outer peripheral surface of the moving member at regular intervals
Safety railings for building construction comprising a.

The method according to claim 1,
The movable member is a safety railing for building construction is arranged in pairs or in parallel.

The method according to claim 1,
The moving member
A safety railing for building construction in which the fixing bracket is provided in the connection bracket and provided with a screw groove therein is coupled, and the thread is screwed to the fixing member is provided on the outer circumferential surface thereof.

The method according to claim 1,
The moving member
A safety railing for building construction provided with a protruding portion partially protruded in the support bracket direction, and a fixing member provided with a screw thread on an outer circumferential surface of the connecting bracket, and provided with a screw groove screwed to a thread of the fixing member.

The method according to claim 1,
Safety railing for building construction is coupled between the moving member and the tightening protrusion diameter expansion ring for expanding the diameter of the moving member.

The method according to claim 1,
The tightening protrusions
Safety railings for building construction where tool inserts are provided in a direction perpendicular to the protruding direction.

The method according to claim 1,
The pillar
Safety railings for building construction where reinforcing members are coupled to the surface facing the railing installation part.

The method according to claim 1,
The moving member
Safety railings for building construction provided with an inclined surface portion of which the outer peripheral side of the lower surface protrudes downwardly or inclined downward from the central portion to the outer peripheral side of the lower surface central portion.

The method according to claim 1,
The support
A pair of first brackets coupled to the pillar at a right angle toward the railing installation side,
Safety railings for building construction comprising a second bracket coupled to the distal end of the first bracket.

The method according to claim 1,
The connecting bracket
A pair of third brackets coupled to the pillar at a right angle toward the railing installation unit;
A fourth bracket is coupled to the distal end of the third bracket,
Safety railings for building construction that the moving member is coupled in parallel to the portion where the third bracket and the fourth bracket meet.

The method according to claim 1,
On the pillar
Safety railings for building construction combined with safety cord linkage connecting safety cord.

The method according to claim 1,
The moving member
Safety railing for building construction, where the outer circumferential side of the lower surface is provided with teeth in the circumferential direction.