Safety guard apparatus for construction bridge

Abstract

The present invention relates to a safety handrail device for bridge construction that is installed on the flange of a beam forming the frame of a bridge and provides a handrail for safety, comprising: a plurality of handrail posts formed to a predetermined length and arranged in a vertical state, installed at regular intervals along the longitudinal direction of the beam; and a handrail rope installed in a manner that crosses the plurality of handrail posts to form a horizontal handrail, wherein the handrail posts comprise: a column portion formed to a predetermined length; a beam fixing portion provided at the lower end of the column portion to detachably fix the lower end of the column portion to the flange of the beam; and a rope fixing portion provided at the upper end of the column portion to provide a connection portion for the handrail rope.

Description

Technology Field

[0001] The present invention relates to a safety handrail device for bridge construction, and more specifically, to a safety handrail device for bridge construction that is installed on the flange of a beam forming the frame of a bridge and provides a handrail for safety. Background Technology

[0003] Generally, when constructing buildings such as apartments or office buildings, or structures such as bridges, safety railings are installed to prevent safety accidents such as workers falling.

[0004] As related prior art, there is a safety device disclosed in Korean Registered Utility Model Publication No. 20-0464842.

[0005] The prior art is characterized by comprising: a support column that is vertically erected at regular intervals around the outer perimeter of a floor slab of a building under construction and is equipped with a support bracket connected to the lower part of each side and a fixing bracket connected to the lower part of the front; a support sleeve installed at a position corresponding to the support column and having a receiving portion inside; a connecting bar whose lower part is inserted into the support sleeve and whose upper part is inserted into the lower part of the support column to connect the support column and the support sleeve, and which is equipped with a height adjustment hole formed by penetrating at regular intervals in the longitudinal direction; and a fixing member that fixes the height by penetrating the connecting hole formed by penetrating both sides of the support column and the height adjustment hole.

[0006] This prior art is a device for fixing a handrail in which a support post and a connecting bar are combined with a support sleeve.

[0007] However, the prior art has the problem that the support is configured separately from the support sleeve and connecting bar, making manufacturing cumbersome and installation complex, which results in a long construction time.

[0008] In addition, the prior art has a configuration in which the tension of the rope connected to the support cannot be adjusted, so there is a problem that the rod must be pulled from both ends of the rope when the tension of the rope is adjusted.

[0009] Therefore, new technology is required to overcome the problems of the prior art mentioned above. Prior art literature

[0011] Republic of Korea Registered Utility Model Publication No. 20-0464842 The problem to be solved

[0012] The present invention aims to provide a safety handrail device for bridge construction that is detachably installed on the flange of a beam forming the frame of a bridge and provides a handrail for the safety of workers.

[0013] Specifically, the present invention aims to provide a safety handrail device for bridge construction that can be easily and quickly installed on a frame through handrail posts installed at regular intervals along the beams of the frame while functioning as supports, and handrail ropes installed across the handrail posts.

[0014] In particular, the present invention aims to provide a safety handrail device for bridge construction that can quickly and securely fix the lower end of a handrail post to the flange of a beam.

[0015] In addition, the present invention aims to provide a safety handrail device for bridge construction that allows the tension of the handrail rope connected to the rope fixing part to be easily adjusted at the column part itself.

[0016] The technical problems solvable in the disclosed embodiments are not limited to the purposes mentioned above, and other technical problems not mentioned will be clearly understood by those skilled in the art to which the disclosed embodiments belong from the description below. means of solving the problem

[0018] According to one embodiment of a safety handrail device for bridge construction as a technical means for achieving the aforementioned technical problem, the safety handrail device for bridge construction, which is installed on the flange of a beam forming the frame of a bridge and provides a handrail for safety, comprises: a plurality of handrail posts formed to a predetermined length and formed in a vertical state and installed at regular intervals along the longitudinal direction of the beam; and a handrail rope installed in a manner that crosses the plurality of handrail posts and forms a horizontal handrail, wherein the handrail posts may include: a column portion formed to a predetermined length; a beam fixing portion provided at the lower end of the column portion and detachably fixing the lower end of the column portion to the flange of the beam; and a rope fixing portion provided at the upper end of the column portion and providing a connection portion for the handrail rope.

[0019] Additionally, the beam fixing member may be configured to include: a base plate fixed to the lower end of the column member to provide support; a plurality of horizontal brackets that extend horizontally while installed on the base plate and are installed spaced apart from each other along the length direction of the base plate to accommodate the flange of the beam in the spaced-apart space; and a fixing clamp that is vertically movable to one of the plurality of horizontal brackets and moves up and down into the spaced-apart space to fix the flange of the beam in the spaced-apart space.

[0020] Additionally, the handrail post further includes a tension adjustment unit that adjusts the tension of the handrail rope while applying pressure to the handrail rope fixed to the rope fixing unit provided in the column portion, and the tension adjustment unit may be configured to include a tension roller that is rotatably coupled to the column portion and adjusts the tension of the handrail rope according to the number of turns as the handrail rope is wound. Effects of the invention

[0022] According to the present invention, a safety handrail device for bridge construction can be provided, which is detachably installed on the flange of a beam forming the frame of a bridge and provides a handrail for the safety of a worker.

[0023] Specifically, the present invention can provide a safety handrail device for bridge construction that can be easily and quickly installed on a frame through handrail posts installed at regular intervals along the beams of the frame while functioning as supports, and handrail ropes installed across the handrail posts.

[0024] In particular, the present invention allows the lower end of a handrail post to be quickly and securely fixed to the flange of a beam by providing a base plate, a horizontal bracket, and a fixing clamp constituting the beam fixing part at the lower end of the column part.

[0025] In addition, since the tension roller constituting the tension adjustment unit is installed in the column, the tension of the handrail rope can be adjusted by winding or unwinding the handrail rope, so the tension of the handrail rope can be easily adjusted in the column itself.

[0026] The effects obtainable from the disclosed embodiments are not limited to those mentioned above, and other unmentioned effects will be clearly understood by those skilled in the art to which the disclosed embodiments belong from the description below. Brief explanation of the drawing

[0028] FIG. 1 is a perspective view showing the configuration of a safety handrail device for bridge construction according to one embodiment of the present invention. FIG. 2 is a front view showing a safety handrail device for bridge construction according to one embodiment of the present invention. FIG. 3 is a configuration diagram showing the installation state of a safety handrail device for bridge construction according to one embodiment of the present invention. FIG. 4 is a perspective view showing a safety handrail device for bridge construction according to another embodiment of the present invention. FIG. 5 is a perspective view showing a safety handrail device for bridge construction according to another embodiment of the present invention. Specific details for implementing the invention

[0029] Various embodiments are described in detail below with reference to the attached drawings. The embodiments described below may be implemented in various different forms. In order to explain the features of the embodiments more clearly, detailed descriptions of matters widely known to those skilled in the art to which the following embodiments belong have been omitted. Additionally, parts of the drawings unrelated to the description of the embodiments have been omitted, and similar parts throughout the specification have been given similar reference numerals.

[0030] Throughout the specification, when a configuration is described as being "connected" to another configuration, this includes not only cases where they are "directly connected," but also cases where they are "connected with another configuration in between." Furthermore, when a configuration is described as "including" another configuration, this means that, unless specifically stated otherwise, it does not exclude other configurations but may include additional configurations.

[0031] The embodiments will be described in detail below with reference to the attached drawings.

[0032] FIG. 1 is a perspective view showing the configuration of a safety handrail device for bridge construction according to one embodiment of the present invention, FIG. 2 is a front view showing a safety handrail device for bridge construction according to one embodiment of the present invention, and FIG. 3 is a configuration diagram showing the installation state of a safety handrail device for bridge construction according to one embodiment of the present invention. In addition, FIG. 4 is a perspective view showing a safety handrail device for bridge construction according to another embodiment of the present invention, and FIG. 5 is a perspective view showing a safety handrail device for bridge construction according to yet another embodiment of the present invention.

[0034] A safety guardrail device (10) for bridge construction according to one embodiment is a device installed on the flange of a beam (1) forming the frame of a bridge as shown in FIG. 3 to prevent safety accidents such as a worker falling.

[0035] Specifically, a safety handrail device (10) for bridge construction according to one embodiment may be configured to include a handrail post (100) and a handrail rope (200), as shown in FIGS. 1 and 2.

[0036] The above handrail post (100) is a component formed with a predetermined length and installed at regular intervals along the length direction of the beam (1) while maintaining a vertical state.

[0037] That is, the handrail posts (100) are composed of multiple posts and are installed at regular intervals along the length direction of the beam (1) forming the frame of the bridge, thereby serving as support posts.

[0038] The above handrail rope (200) is a member for providing a horizontal handrail and can be connected to a rope fixing part (130) described later in a form that crosses a plurality of handrail posts (200) as shown in FIG. 3.

[0039] That is, the handrail rope (200) can be installed horizontally between multiple handrail posts (200) to provide a fence-shaped handrail that can prevent a worker from falling from the frame.

[0040] These handrail ropes (200) can be installed in a manner that connects multiple handrail posts (200) by being continuous in the longitudinal direction.

[0042] More specifically, the handrail post (100) may be configured to include a column portion (110), a beam fixing portion (120), and a rope fixing portion (130) as shown in FIGS. 1 and 2.

[0043] The above column portion (110) is a member formed with a predetermined length to form a vertical support.

[0044] These column portions (110) are formed in the shape of a metal rod or tube having a connection and can be fixed to the flange of the frame beam (1) via the beam fixing portion (120) described later.

[0045] According to the embodiment, the column portion (110) can be formed as a multi-stage telescopic tube so that its length can be adjusted.

[0046] Additionally, the column portion (110) may be formed such that a portion is divided and the divided portion is joined around a hinge axis, thereby allowing the angle of the upper portion of the divided portion to be adjusted.

[0047] Here, the column portion (110) can be made to spread outward away from the beam (1) by adjusting the angle of the upper portion, and in this case, by installing a net not shown together with a handrail rope (200) on the column portion (110), it can be used as a safety net to prevent falling objects at a construction site.

[0049] The beam fixing part (120) is provided at the bottom of the column part (110) and is a component for detachably fixing the bottom part of the column part (110) to the flange of the beam (1).

[0050] This beam fixing part (120) may be configured to include a base plate (121), a horizontal bracket (122), and a fixing clamp (123) as shown in FIGS. 1 and 2.

[0051] The base plate (121) is formed as a plate having a predetermined area and can provide support by being fixed as a single unit to the bottom of the column part (110).

[0052] According to an embodiment, the base plate (121) is formed of a steel plate having a wider width than the column portion (110) and can be fixed to the lower end of the column portion (110) while protruding to both sides of the column portion (110).

[0053] This base plate (121) can be fixed to the lower part of the column (110) by welding, or alternatively, it can be fixed by a fixing member such as a fixing bolt.

[0054] The horizontal bracket (122) is a component for accommodating the flange of the beam (1) in a spaced-out space as shown in FIG. 2.

[0055] These horizontal brackets (122) can be formed perpendicular to the base plate (121), with one end fixed to the base plate (121) and the other end extended in a horizontal direction, and are composed of multiple brackets and installed spaced apart from each other along the length direction of the base plate (121) so that the flange of the beam (1) can be accommodated in the spaced-apart space.

[0056] Additionally, the horizontal brackets (122) may form a pair spaced apart from each other along the length direction of the base plate (121), and the two pairs may be arranged on both sides of the column portion (110) to accommodate the flange of the beam (1) in the spaced-out space.

[0057] Here, the horizontal bracket (122) can be formed in the shape of a tube having an elongated cross-section with a hollow inside, as shown in FIG. 1, and can be extended in a horizontal shape.

[0058] In addition, any configuration can be applied to the horizontal bracket (122) as long as it forms a pair of upper and lower spacing spaces.

[0059] The fixing clamp (123) is a component for fixing the flange of the beam (1) accommodated in the spaced space of the horizontal bracket (122) to the spaced space.

[0060] Specifically, the fixing clamp (123) is vertically movable and connected to one of a plurality of horizontal brackets (122) facing each other vertically, and can be fixed in the spaced space by pressing the flange of the beam (1) while moving up and down into the spaced space.

[0061] For example, the fixed clamp (123) may have a predetermined length and a flat pressure surface (123a) formed at the lower end, and by being screwed vertically into a fastening nut (125) fixed to the horizontal bracket (122), it can move up and down in the spaced-out space of the horizontal bracket (122) through forward or reverse rotation.

[0062] This fixing clamp (123) is provided with a bolt head (123b) at the top so that it can be lowered while rotating through a tool and fixed by being in close contact with the flange of the beam (1) through the pressing surface (123a).

[0064] The above rope fixing part (130) is a component provided on the upper part of the column part (110) to provide a connection part of the handrail rope (200).

[0065] According to the embodiment, this rope fixing part (130) is formed in the shape of a ring forming an annular shape so that a handrail rope (200) can be inserted and connected.

[0067] Meanwhile, the handrail post (100) may be configured to further include a tension adjustment part (300) as shown in FIG. 4.

[0068] The tension adjustment unit (300) is a component for adjusting the tension of the handrail rope (200) while applying pressure to the handrail rope (200) connected to the rope fixing unit (200).

[0069] That is, the tension adjustment part (300) can adjust the tension by pulling the handrail rope (200) that is attached to the loop-shaped rope fixing part (130) to tense the handrail rope (200), or by loosening the handrail rope (200).

[0070] This tension control unit (300) may be configured to include a tension roller (310) installed on a column (110) as shown in FIG. 3.

[0071] The tension roller (310) is rotatably installed on the column part (110) and installed at the lower part of the rope fixing part (200) so that the handrail rope (200) can be wound, and the tension of the handrail rope (200) can be adjusted according to the number of times it is wound.

[0072] That is, when the handrail rope (200) is connected to the rope fixing part (130), the tension can be increased as it is pulled when a part of it is wound onto the tension roller (310), and the tension can be relaxed as it is loosened when it is released from the tension roller (310).

[0073] Meanwhile, the tension adjustment unit (300) may be configured to further include a roller slot (320) and a roller fixing bolt (330) as shown in FIG. 5.

[0074] The roller slot (320) is formed in the shape of an elongated hole in the column portion (110) and extends to the lower part of the rope fixing portion (130) while rotatably accommodating the tension roller (310), thereby allowing the tension roller (310) to move.

[0075] The roller fixing bolt (330) is a member that fixes the position of the tension roller (310) by fixing the tension roller (310) to the roller slot (320) in a moved state.

[0076] Accordingly, the tension roller (310) can adjust the tension of the handrail rope (200) by moving along the roller slot (320) and adjusting the distance from the rope fixing part (130).

[0077] That is, the tension roller (310) can increase the tension of the handrail rope (200) when it moves away from the rope fixing part (130) while the handrail rope (200) is wound, and can relax the tension of the handrail rope (200) when it moves closer to the rope fixing part (130).

[0078] As described above, the safety handrail device (10) for bridge construction according to the present invention can be easily and quickly installed on the frame through handrail posts (100) installed at regular intervals along the beam (1) of the frame and handrail ropes (200) installed across the handrail posts (100).

[0079] The embodiments described above are for illustrative purposes only, and those skilled in the art will understand that the embodiments described above can be easily modified into other specific forms without altering the technical concept or essential features of the embodiments described above. Therefore, the embodiments described above should be understood as illustrative in all respects and not restrictive. For example, each component described as a single unit may be implemented in a distributed manner, and components described as distributed may likewise be implemented in a combined form.

[0080] The scope of protection sought through this specification is defined by the claims set forth below rather than by the detailed description above, and should be interpreted to include all modifications or variations derived from the meaning and scope of the claims and the concept of equivalents. Explanation of the symbols

[0082] 10: Safety handrail device for bridge construction 100 : Handrail post 110 : Column part 120 : Beam fixing part 121 : Base plate 122 : Horizontal bracket 123 : Fixing clamp 125 : Fastening nut 130 : Rope fixing part 200 : Handrail rope 300 : Tension control unit 310 : Tension roller 320 : Roller slot 330 : Roller fixing bolt

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