KR20230015792A - Simple working safety stairs - Google Patents

Abstract

The present invention relates to simple safety stairs used for enabling a worker to go up and down in a construction site. The simple safety stairs can have a very simple structure to facilitate installation and disassembly, be simply assembled and constructed to be proper for the construction site, and prevent movements of the stairs by fixing the stairs on the ground or to a structure and thus prevent accidents of the worker. The simple safety stairs comprise: a plurality of horizontal frames which are disposed forward and backward and are installed to be spaced apart from each other; a plurality of joints which are installed to be coupled to the horizontal frames at a certain interval; a plurality of vertical frames which are installed to be vertically coupled to the joints; a plurality of footholds which are installed to be coupled to the vertical frames and are disposed rightward and leftward; and a handrail which is installed to be attached to an upper part of the vertical frames forward and backward.

Description

Simple working safety stairs for work {Simple working safety stairs}

The present invention relates to a simple safety stairway used for a worker to go up and down at a construction site. More specifically, the frame, scaffolding, and handrail constituting the stairway are assembled and installed with a plurality of joints, so that the structure is very It is simple and easy to install and dismantle, and can be easily assembled and manufactured to be suitable for the work site. Also, it is fixed to the ground or structure to prevent the movement of the stairs, so it is a simple safety stair for work that prevents safety accidents of workers in advance. It is a technology about

In general, simple ladders or stairs are widely used for workers to go up and down structures at construction or construction sites, and it is very important to quickly install and dismantle such simple ladders or stairs at construction sites. .

At the existing construction site, workers made and used temporary stairs suitable for the work site by using construction materials made of steel with a welding machine, but this makes it impossible to easily manufacture temporary stairs according to the work site, and it takes a lot of time to manufacture the stairs. This is what is needed.

Recently, workers transport materials necessary for stair production to the construction site and quickly manufacture temporary stairs according to the situation at the work site. there is.

Therefore, as a prior art of safety stairs to prevent safety accidents of workers at conventional construction sites, Korean Patent Registration No. 10-1554438 (system safety stairs) has been proposed.

In this prior art, since the scaffolding part can always be kept horizontal with respect to the ground, this allows the user to safely go up and down at various construction sites, and since the scaffolding part is disposed above the first hinge part and the second hinge part and combined, the scaffolding The load applied to the portion is dispersed to effectively prevent breakage of the scaffold coupling portion, thereby providing an effect of ensuring the user's safety at various construction sites.

In addition, as a prior art of a safety staircase equipped with a footrest and a tilting handrail corresponding to a conventional inclination angle, Republic of Korea Patent Registration No. 10-1668977 (Safety stairs with variable footrest and handrail according to the inclination angle) has been proposed.

This prior art can arrange scaffolding parts and tilting handrails corresponding to different inclination angles for each site, so it is highly compatible even if it is manufactured as a factory product manufactured in large quantities and on a large scale, and production and installation costs and time loss are lower than before. While it can be reduced, it provides the effect of preventing safety accidents of workers.

However, since the "safety stairs" presented in the prior art cannot be fixed to the ground or to a separate structure, when a worker goes up and down to transport materials, etc., flow occurs severely, resulting in a worker's safety accident. There are problems that cause

In addition, the prior art has a relatively complex structure and is not easy to transport and move, so it is difficult to install and dismantle quickly at the construction site, and it is not easy to manufacture suitable for the work site, and it takes a lot of time to install and dismantle. There is a problem.

Republic of Korea Patent Registration No. 10-0923634. Republic of Korea Patent Registration No. 10-1554438. Republic of Korea Patent Registration No. 10-1668977. Republic of Korea Patent Registration No. 10-2024822. Republic of Korea Patent Registration No. 10-2242964.

The present invention is a technology devised to improve the problems of the "safety stairs" presented in the prior art, and the frame, scaffolding, and handrail constituting the stairs are assembled and installed with a plurality of joints, so the structure is very simple and easy to install and dismantle. Its purpose is to provide simple safety stairs for work that can be easily assembled and manufactured to suit the work site.

In addition, in an embodiment of the present invention, the frame constituting the stairs is easily fixed to the ground or to the structure through a stopper, thereby preventing the movement of the stairs when the operator goes up and down, thereby preventing the worker's safety accident in advance. Its purpose is to provide simple safety stairs for work.

The present invention, in order to realize the desired object as described above,

A plurality of horizontal frames disposed in the front-back direction and spaced apart from each other; A plurality of joints coupled to the horizontal frame at regular intervals; A plurality of vertical frames vertically coupled to the joint; A plurality of scaffolds coupled to the vertical frame and disposed in left and right directions; and handrails attached to the top of the vertical frame in the forward and backward directions.

In addition, as an embodiment of the present invention, the joint is characterized in that a horizontal holder inserted into and coupled to the horizontal frame and a vertical holder inserted into and coupled to the vertical frame are respectively configured.

In addition, as an embodiment of the present invention, each of the horizontal holder and the vertical holder constituting the joint has one side cut, and brackets having fastening holes are formed on both sides of the cut, protruding outward, and fastening holes of the brackets on both sides. It is characterized in that the bolt and nut are inserted into the fastening.

In addition, as an embodiment of the present invention, the scaffold has holders formed on both sides of the front and back sides, each of the holders has one side cut, and brackets having fastening holes formed on both sides of the cut protrude outward. It is characterized in that a bolt and a nut are inserted into the fastening hole of the sub-bracket and fastened.

In the embodiment of the present invention, since the horizontal and vertical frames, scaffolding, and handrails constituting the stairs are assembled and installed with a plurality of joints, the structure is very simple and easy to install and dismantle, and can be easily assembled and manufactured to be suitable for the work site. , workability is improved, and the production cost is reduced.

In addition, in the embodiment of the present invention, the horizontal frame constituting the stairs is easily fixed to the ground or to the structure through a stopper, so that the worker's safety accident is prevented in advance by preventing the flow of the stairs when the worker goes up and down. has the effect of

In addition, the embodiment of the present invention has the effect of preventing a safety accident in which a worker falls down the stairs by installing a safety bar to enable up and down rotation and forward and backward rotation at the top of the scaffold constituting the stairs.

1 is a perspective view showing an embodiment of the present invention;
Figure 2 is a side view showing an embodiment of the present invention.
Figure 3 is an exploded perspective view of a main part showing an embodiment of the present invention.
Figure 4 is an exploded perspective view showing a joint in the present invention.
Figure 5 is a perspective view showing another embodiment of the present invention.
Figure 6 is a front view of the main part showing the operating state of the safety bar in the present invention.
Figure 7 is a cross-sectional view showing the installation state of the safety bar in the present invention.
Figure 8 is a perspective view of the main part showing the installation state of the stopper in the present invention.
Figure 9 is a front view of the main part showing the operating state of the stopper in the present invention.

The main configuration according to the embodiment of the present invention is arranged in the front-rear direction, a plurality of horizontal frames (10) installed spaced apart from each other; A plurality of joints 20 coupled to the horizontal frame 10 at regular intervals; A plurality of vertical frames 30 vertically coupled to the joint 20; A plurality of scaffolds 40 coupled to the vertical frame 30 and disposed in the left and right directions; and a handrail 50 attached to the top of the vertical frame 30 in the front-rear direction.

In the main configuration of the embodiment, the horizontal frame 10 is placed on the ground or a structure to support the safety stairs, and the horizontal frame 10 is placed in the forward and backward directions as shown in FIGS. It is installed at a predetermined interval according to the width of the stairs.

In the above, the horizontal frame 10 may be configured by varying its length according to the specifications of the stairs or the number of the scaffolds 40 constituting the stairs, and is made of stainless steel or aluminum having excellent durability and corrosion resistance. It is preferable to be made of a material.

In addition, in the main configuration of the embodiment, the joint 20 is a component for assembling and manufacturing a safety stairway, and the joint 20, as shown in FIGS. It is provided with a plurality along, and is inserted into the horizontal frame 10 and installed coupled at regular intervals.

In the above, the joint 20 is a function of fixing and installing vertical frames 30 to be described later to the horizontal frame 10 at regular intervals, and the joint 20, as shown in FIGS. ) The horizontal holder 21 inserted into and coupled to, and the vertical holder 22 coupled to by being inserted into the vertical frame 30 are integrally configured.

That is, the horizontal holder 21 constituting the joint 20 is disposed by being inserted into the horizontal frame 10, and the vertical frame 30 is disposed by being inserted into the vertical holder 22, so that the joint 20 is disposed by being inserted into the horizontal frame ( 10) and the vertical frame 30 are fixedly installed.

One side of each of the horizontal holder 21 and the vertical holder 22 constituting the joint 20 is cut, and brackets 23 having fastening holes are formed on both sides of the cut, respectively, protruding outward. A bolt 24 and a nut 24a are inserted into the fastening holes of the brackets 23 on both sides and fastened.

Therefore, the joint 20 is fixed by first inserting the horizontal holder 21 into the horizontal frame 10 and then fastening the bolt 24 and the nut 24a to the bracket 23 of the horizontal holder 21. After installation, and then placing the vertical frame 30 in the vertical holder 22, by fastening the bolt 24 and the nut 24a to the bracket 23 of the vertical holder 22, on both sides A plurality of horizontal frames 10 and vertical frames 30 are fixedly installed.

In addition, in the main configuration of the embodiment, the vertical frame 30 is a function for installing the scaffold 40 of the stairs, and the vertical frame 30 is a scaffold 40 constituting the stairs, as shown in FIGS. 1 to 4 in the drawing. It is fixedly installed at regular intervals on the horizontal frame 10 according to the front and rear width of ).

In the above, the plurality of vertical frames 30 are vertically fixed to the horizontal frame 10 through the joint 20, and the plurality of scaffolds 40 are sequentially connected according to the height of the scaffold 40 so that they can be installed. It is spaced apart by the front-to-back width and disposed on the horizontal frame 10, and is preferably made of the same material as the horizontal frame 10.

In addition, in the main configuration of the embodiment, the plurality of scaffolds 40 function for the operator to go up and down the stairs, and the scaffold 40 is a vertical frame disposed on both sides as shown in FIGS. 1 to 4 in the drawing ( 30), and a scratch 41 is formed on the inside to prevent the operator from slipping.

In the above, the scaffold 40 is configured in the form of an elongated panel, and holders 42 are formed on both sides of the front and rear, respectively, and the holder 42 is coupled to the vertical frame 30 at a predetermined height to fix the scaffold 40. function to install

On the other hand, in the above, one side of the holder 42 is cut, and brackets 43 having fastening holes formed on both sides of the cut protrude outward, and bolts 44 are formed in the fastening holes of the both side brackets 43. ) and the nut 44a are inserted and fastened.

In the above, the holder 42 located in front of both sides is coupled to the vertical frame 30 located in front of both sides, and the holder 42 located at the rear of both sides is a vertical frame located at the rear of both sides ( 30), the scaffold 40 constituting the stairs is fixed to the vertical frame 30 on both sides.

On the other hand, the scaffold 40 is coupled with the holder 42 located in front of both sides of the other scaffold 40 at a predetermined height to the rear vertical frame 30 to which the holder 42 at the rear of both sides is coupled, and the rear As the holder 42 located at the rear of both sides of the other scaffold 40 is coupled to the vertical frame 30 located at, the plurality of scaffolds 40 are sequentially installed on the plurality of vertical frames 30 according to the height. do.

Therefore, the scaffolds 40 constituting the stairs are sequentially assembled and installed on a plurality of vertical frames 30 according to the height, and the operator goes up and down the stairs through the scaffolds 40, and scratches 41 are formed on the inside. Since it is formed, slipping of the operator is prevented.

In addition, in the main configuration of the embodiment, the handrail 50 is a function to prevent safety accidents of workers. It is attached and installed in the direction, and it prevents safety accidents or falls by workers.

In the above, the handrail 50 is a structure disposed at a predetermined height from the scaffold 40, and the vertical frame 30 on both sides located on the front side and the vertical frame 30 on both sides located on the rear side are placed on the scaffold 40 It is installed at a predetermined height, and a handrail 50 is attached and installed on the top of the vertical frame 30 on both sides of the front and rear sides, and the handrail 50 is installed inclined up and down according to the height of the footrest 40.

On the other hand, the embodiment of the present invention is a function to prevent a worker's fall accident, as shown in Figs. A safety bar 60 may be installed on the upper part of the post 61 to enable up and down rotation and forward and backward rotation.

In the safety bar 60, the rotation pin 63 is inserted and installed on the upper part of the post 61, and is rotatably coupled to the upper side of the rotation pin 63 with the hin 63a, so that the safety bar 60 rotates up and down and back and forth. This is possible, and a hook 62 is attached to the vertical frame 30 on the opposite side of the post 61.

In the above, the safety bar 60 is a function to prevent a safety accident in which a worker falls down the stairs. After the worker climbs the stairs through the footrest 40, the safety bar 60 is rotated downward to hang the hook 62 ), it prevents safety accidents in which workers fall down the stairs.

In addition, the embodiment of the present invention is a function to prevent the movement of the stairs, as shown in FIGS. 5 and 8 to 9 in the drawing, a plurality of stoppers 70 are installed on the horizontal frame 10 on both sides so that the operator can When going up and down, it is possible to prevent safety accidents of workers by preventing movement of the stairs.

In the above, the stoppers 70 may be disposed on the front and rear sides of the horizontal frame 10 on both sides, and the stoppers 70 are hinged on the outer surface of the horizontal holder 21 at the joint 20, and the pressing plate 71 ) is rotatably installed, and a wedge 73 is formed vertically on the bottom surface of the pressure plate 71.

Therefore, in the stopper 70, when a worker rotates the press plate 71 outward and steps on it with his foot, the wedge 73 located on the bottom of the press plate 71 is driven into the ground to prevent shaking and flow of the stairs, so that the worker When going up and down, safety accidents are prevented.

In the embodiment of the present invention having such a configuration, the horizontal and vertical frames, scaffolding and handrails constituting the stairs are assembled and installed with a plurality of joints, so the structure is very simple and easy to install and dismantle, and is easily assembled to be suitable for the work site. Since it can be manufactured by doing, the workability is improved while the manufacturing cost is low.

In addition, in the embodiment of the present invention, the horizontal frame constituting the stairs is easily fixed to the ground or to the structure through a stopper, so that when the worker goes up and down, the movement of the stairs is prevented, thereby preventing worker safety accidents in advance In addition, by installing a safety bar on the upper part of the scaffold, it is possible to prevent a safety accident in which a worker falls down the stairs.

In the above, the preferred embodiments of the present invention have been described with reference, and it is not limited to the above embodiments, and those skilled in the art through the above embodiments do not deviate from the gist of the present invention. It can be implemented with various changes in .

10: horizontal frame 20: joint
21: horizontal holder 22: vertical holder
23: bracket 24: bolt
30: vertical frame 40: scaffolding
41: scratch 42: holder
43: bracket 44: bolt
50: handrail 60: safety bar
61: post 62: hook
70: stopper 71: pressure plate
72: hinge 73: wedge

Claims (3)

A plurality of horizontal frames 10 disposed in the front-back direction and spaced apart from each other;
A plurality of joints 20 coupled to the horizontal frame 10 at regular intervals;
A plurality of vertical frames 30 vertically coupled to the joint 20;
A plurality of scaffolds 40 coupled to the vertical frame 30 and disposed in the left and right directions; and
A simple safety stair for work, characterized in that it is configured to include; a handrail 50 attached to the top of the vertical frame 30 in the forward and backward directions.
According to claim 1,
The joint 20 is
A simple safety stair for work, characterized in that a horizontal holder 21 inserted into the horizontal frame 10 and coupled to the vertical holder 22 coupled to the vertical frame 30 are configured, respectively.
According to claim 1,
The scaffold 40 is
Holders 42 are formed in the front and back sides of both sides, each of the holders 42 has one side cut, and brackets 43 formed with fastening holes are formed on both sides of the cut, protruding outward. A simple safety stair for work, characterized in that the bolt 44 and the nut 44a are inserted into the fastening hole of the bracket 43 and fastened.

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