KR102229567B1 - Built-up Safe Scaffold for High Place Work - Google Patents

Abstract

The present invention provides a support for the lower base in four directions while fitting and assembling the work table for the high place work area, so that the movement and assembly of the work table is smooth, and a plurality of the lower parts are provided to efficiently prevent the work table from falling. A base frame having a caster of, the support protrusion formed on the upper part, and having a support fixing portion extending in front and rear, left and right to support support in all directions, but extending toward a right angle to each other; A side frame standing on the base frame to form a side wall, fitted on the support protrusion, and configured to be extended and disposed in a vertical direction; It provides a prefabricated safety scaffolding for high place work including; a connecting frame in which the side frames are connected and supported in a stacked structure to be divided by layers, and a floor plate for working at high places of an operator is installed on the top floor.

Description

Built-up Safe Scaffold for High Place Work}

The present invention relates to an assembly-type safety scaffolding for high place work, and more particularly, by fitting and assembling the worktable for the high place work area and supporting the lower base in four directions, the worktable moves and assembles smoothly and the worktable is transferred to the work at high place. It relates to a prefabricated safety scaffolding for high place work that can effectively prevent the phenomenon.

In general, it is a temporary temporary installation installed so that the worker can go up to work in high places where the working height is higher than the height of the worker, such as ceiling exterior work or wire work, etc., and a scaffold equipped with a workbench to provide the worker's work area. Will be used.

Looking briefly at the structure of such a scaffold, a number of vertical bars and horizontal bars, which are pipes or square pipes made of metal, are welded and bolted in a certain shape to form the overall appearance of the worktable with handrails. A ladder for climbing is formed, and a working platform is mounted and installed on the upper part of the work table to support the worker.

As a prior art disclosed in connection with a scaffolding having a working scaffolding for high place work as described above, Korean Utility Model Publication No. 2481 (2013.04.25.) includes a plurality of horizontal members, vertical members, and railing members. A frame-shaped body; A plurality of scaffolds coupled to the upper portion of the main body in a stepped manner; A plurality of moving wheels connected to the lower part of the main body and supporting the main body in a movable state; A plurality of guide frames fixedly coupled to the lower end of the body so as to be vertically disposed on the horizontal member and having a tubular shape with open both ends; And, a state that is slidably inserted and installed at both ends of the guide frame, and is supported by the moving wheel in a state extended in the width direction of the main body to increase the support range of the main body with respect to the floor on which the main body is disposed. A safety scaffold for work is known that can perform a stable work of a worker as it comprises a fixing support portion that supports the main body in a stable fixed state on the floor while releasing it.

In addition, in the Registered Utility Model Publication No. 418543 (2006.06.05.), the upper guide rail and the lower guide rail are separated into two sets, and multi-stage X-bar 1 and X-bar 2 corresponding to the two are provided in the form of a cross that connects them. A synchronizing shaft and an X-bar synchronizing pin to connect to each other are provided so that the multi-stage X-bars are folded and guided horizontally. The guide roller slides on the upper and lower guide rails to guide horizontally, and the lower guide fixing part and the upper X-bar 1 and X-bar 2 are fixed to the guide fixing part by X-bar synchronization pins, and a hydraulic cylinder is rotatably provided on the bottom of the upper guide rail. The hydraulic cylinder rotates and descends as well as the forward motion, and the multi-stage X-bar corresponding to the two places is folded to move up and down, and X-bar 1 and X-bar 2 determine the limit height according to the quantity. The upper plate of the guide rail becomes a working footrest, and the working footrest is provided with anti-slip and convexities to prevent falling off, and a toe stop is provided to prevent fall, and a fastening pin for assembling a safety railing is provided, and the safety railing is inserted into the fastening pin. And a connecting rod that can be easily opened and closed when an operator boards, and an elevated work lift that provides convenience and safety with multifunctional features as it is configured to be fixed by inserting it into a fixing pin and a support to fix it rotationally. Is known.

However, all of the above-described conventional techniques are fixed means because the configuration of the fixing means (fixing support or hydraulic cylinder) that can support the overall configuration of the scaffold with a worktable extends and supports only in two directions, which are the front-rear direction or the left-right direction. There was a problem that a fall accident and a safety accident occurred due to the scaffolding overturning when a force in the right angle direction was applied based on the reference.

In addition, in the case of Public Utility Model Publication No. 281, among the above-described prior art, there is a problem that the height of the scaffold forming the work area is extremely limited, and thus, there is a problem in that it is difficult to work at a height having a resilient height.

In addition, the above-described prior art has a problem in that mobility is poor and it is difficult to elastically change the appearance because the overall components of the scaffold equipped with a worktable maintain the assembled finished body.

KR Open Utility Model Publication No. 20-2013-0002481 (2013.04.25.) KR Registered Utility Model Publication No. 20-0418543 (2006.06.05.)

The present invention is to solve the above problems, and all the frames form a detachable assembly and coupling structure based on the lower foundation base and are configured to support support in four directions, front, rear, left and right, thus promoting mobility and height variability of the scaffolding structure. And, to provide an assembly-type safety scaffolding for high place work that can maximize the working stability of the scaffold while increasing the convenience and durability of the structure assembly, there is a purpose.

The prefabricated safety scaffold for high place work proposed by the present invention has a plurality of casters at the bottom, a support protrusion protrudes on the upper part, and extends in front and rear, left and right to support it in all directions, but extends in a direction perpendicular to each other. A base frame having a top portion; A side frame standing on the base frame to form a side wall, fitted on the support protrusion, and configured to be extended and disposed in a vertical direction; And a connecting frame in which a floor plate is installed on the uppermost floor by connecting and supporting the side frames in a stacked structure to separate and partition each layer, and to install a floor plate for the operator's high place work on the uppermost floor.

Two of the support protrusions form a pair and are formed to be provided at each upper edge of the base frame.

The support fixing part is an extension support bar that is slidable in a straight forward and backward direction on the base frame to extend its length with respect to the base frame, and is vertically coupled to one side of the extension support bar to fix the position at a working position. Including a position fixing means, the position fixing means has a support plate at the lower end and a height adjustment shaft having a rotationally operable operation lever at the upper end, and is installed corresponding to the upper and lower surfaces of the extension support bar, and the height adjustment shaft is screwed A locking nut to be coupled, and a locking nut for locking and fixing the height adjustment shaft by screwing on the height adjustment shaft and in contact with the fastening nut.

The side frame includes side locking means for integrally locking and fixing individual side frames positioned adjacent to each other.

The side locking means includes a hook bracket formed on the side frame to be hooked and contactable, and a locking clamp formed on the side frame adjacent to the hook bracket and formed to be locked on the hook bracket. It is equipped with.

In addition, the present invention may further include a variable support means installed on the connection frame and extending outwardly on the same horizontal line as the floor plate.

The variable support means constitutes an extension plate installed in a foldable form on the connection frame and formed to be extended outward, and a support member hinge-coupled to a lower end of one side of the extension plate and supported on the side frame.

According to the prefabricated safety scaffold for high place work according to the present invention, since the support is extended in a right angle direction to each other in the front, rear, left and right sides of the lower base frame, the work vibration or overturning in all directions of the scaffold is prevented to promote the safety of work at high places. Of course, it is possible to achieve zero fall accidents. Furthermore, since the overall frame structure of the scaffold is assembled and combined as well as a stacked variable structure, it improves the mobility of the scaffold structure while promoting a flexible height setting for high place work, and promotes the convenience and speed of assembly of the frame structure. You get the effect you can.

In addition, since the prefabricated safety scaffolding for high place work according to the present invention is integrally locked and fixed between the side frames, there is an effect of further improving the safety and durability of the structure.

In addition, since the prefabricated safety scaffolding for high place work according to the present invention is configured to variably expand the floor area of the worktable, there is an effect of further improving the diversity of work and work efficiency of the high place work.

1 is a front view showing an embodiment according to the present invention.
Figure 2 is a plan cross-sectional view showing an embodiment according to the present invention.
Figure 3 is a perspective view showing a base frame in an embodiment according to the present invention.
4 is an enlarged view showing a support fixing part in an embodiment according to the present invention.
Figure 5 is an enlarged view showing a side locking means in an embodiment according to the present invention.
Figure 6 is a front view showing a connection frame in an embodiment according to the present invention.
7 is a plan view showing another embodiment according to the present invention.
8 is an enlarged view showing another embodiment according to the present invention.
9 is an enlarged view showing another embodiment of a support member in another embodiment according to the present invention.

The present invention includes a base frame having a plurality of casters at the lower portion, the support protrusions protruding on the upper portion, and supporting support in all directions by extending in front and rear, left and right, but extending in a direction perpendicular to each other; A side frame standing on the base frame to form a side wall, fitted on the support protrusion, and configured to be extended and disposed in a vertical direction; The technical configuration features a prefabricated safety scaffolding for high place work, including a connection frame, which is connected and supported between the side frames in a stacked structure and divided by floor, and on which a floor plate is installed for an operator's high place work on the top floor.

Next, a preferred embodiment of the prefabricated safety scaffold for high place work according to the present invention will be described in detail with reference to the drawings.

First, an embodiment of the prefabricated safety scaffolding for high place work according to the present invention comprises a base frame 10, a side frame 20, and a connection frame 30, as shown in FIG. 1.

As shown in FIGS. 1 and 3, the base frame 10 is disposed at the lowermost end of the structure of the present invention, and includes a plurality of casters 13 at the lower part to enable rolling movement.

The base frame 10 is a structure in which a plurality of frames are bonded and connected, and has a rectangular or square shape when viewed from a plane, and includes a guide path 12 formed with one side open inside each frame.

3 and 4, the base frame 10 is provided with a support fixing portion 15 that extends in front and rear and left and right to support the support in all directions.

The support fixing part 15 is installed on the guide path 12 of the base frame 10 and extends in a direction perpendicular to each other with respect to the base frame 10. That is, the support fixing unit 15 is configured to support and fix the high place work in all directions after being positioned at a right angle between the support fixing units 15 arranged adjacent to each other, thus achieving a stable support support effect in all directions. It is possible.

As shown in FIG. 4, the support fixing part 15 includes an extension support bar 16 formed to extend the length with respect to the base frame 10, and a position fixed at a working position according to high place work. It constitutes the fixing means (17).

The extension support bar 16 is fitted to the guide path 12 of the base frame 10 to be slidably moved forward and backward in a linear direction. That is, the extension support bar 16 is configured to slide along the guide path 12 to extend its length.

The support fixing part 15 is provided with a length fixing pin 14 for fixing a length extension setting for the extension support bar 16 on the base frame 10.

The extension support bar 16 and the base frame 10 are vertically penetrated so as to communicate with each other, and a fixing hole H through which the length fixing pin 14 can be fitted is formed.

The fixing hole (H) is formed at intervals from one to two first fixing holes (H1) formed on the base frame (10) and the extension support bar (16), the first fixing hole It has a second fixing hole (H2) formed to communicate with (H1).

The position fixing means 17 is configured to be vertically coupled to one side of the extension support bar 16 so as to be supported in contact with the bottom surface of the working position.

The position fixing means 17 includes a height adjustment shaft 17a having a male screw formed on the outer periphery and a rotationally operable operation lever 17a-1 at the upper end and a support plate 17a-2 at the lower end, and the extension A locking nut (17b) installed corresponding to the upper and lower surfaces of the support bar (16) and to which the height adjustment shaft (17a) is screwed, and a locking fixing the height adjustment shaft (17a) on the fastening nut (17b) Compose the nut (17c).

The locking nut 17c is located on the height adjustment shaft 17a in a screwed state, but contacts the fastening nut 17b to lock and fix the height adjustment shaft 17a. That is, when the height adjustment shaft (17a) is rotated with the operation lever (17a-1) to adjust the height so that the support plate (17a-2) is in contact with the bottom surface, the locking nut (17c) is attached to the fastening nut. Tighten to contact (17b) to lock and fix the height adjustment shaft (17a).

The base frame 10 has a plurality of support protrusions 11 protruding from the top to connect and couple the side frame 20.

The lower end of the side frame 20 is formed to be fitted to the support protrusion 11 of the base frame 10.

The support protrusions 11 are formed to correspond to the upper corner portions of the base frame 10, but two are formed to form a pair, and are formed to be provided at each upper corner portion of the base frame 10.

The support protrusion 11 includes a first support protrusion 11a positioned to correspond to an upper edge of the base frame 10, and a second support protrusion 11a positioned at a small distance between the first support protrusion 11a. 11b), the first support protrusion 11a and the second support protrusion 11b form a pair.

The second support protrusion 11b is positioned on one side of the first support protrusion 11a, but is formed to be positioned in a different direction from the other pair of second support protrusions 11b positioned adjacent to each other. For example, if the second support protrusion 11b is formed in the X-axis direction with respect to the first support protrusion 11a, the second support protrusion 11b of another pair adjacent to each other is It is formed to be located in the Y-axis direction based on the support protrusion (11a).

The side frame 20 stands on the base frame 10 to form a side wall, and is configured to correspond to the upper four surfaces of the base frame 10.

The side frame 20 includes a vertical frame 21 extending vertically and vertically and disposed at intervals from each other, and a horizontal frame 23 connecting the vertical frame 21 in the transverse direction.

The side frame 20 is assembled by fitting the lower end of the vertical frame 21 on the support protrusion 11 of the base frame 10.

The side frame 20 is provided with a ladder through which a plurality of horizontal frames 23 are formed at intervals in the vertical direction so that an operator can go up and down.

The side frame 20 is configured to extend vertically and vertically with the connection frame 30 as a boundary.

The side frame 20 constitutes a side locking means 25 for integrally locking and fixing the individual side frames 20 located adjacent to each other.

As shown in FIG. 5, the side locking means 25 includes a hook bracket 26 formed on the side frame 20 so as to be engaged in contact with each other, and the side portion located adjacent to the hook bracket 26. A locking clamp 27 formed on the frame 20 and configured to be locked on the hook bracket 26 is formed.

In the side locking means (25), the locking clamp (27) is fastened to the hook bracket (26) and is locked and fixed in a pulled state toward the locking clamp (27).

The side locking means 25 is configured to be disposed on the side frame 20 with an upper and lower interval therebetween.

In the above, the side locking means 25 is configured such that the hook bracket 26 and the locking clamp 27 are arranged at intervals for each of the side frames 20. That is, the upper/lower portions are pulled in different directions by the locking clamps 27 with respect to the individual side frames 20 located adjacent to each other.

When the side locking means 25 is configured as described above, since the side frames 20 are integrally locked and fixed, it is possible to further improve the safety as well as the durability of the structure.

The connection frame 30 is configured to be divided by layers by connecting and supporting the side frames 20 arranged up and down in a stacked structure.

As shown in FIG. 6, the connection frame 30 includes a plurality of connection protrusions 35 protruding from the upper and lower surfaces to connect and couple the side frames 20 up and down.

In the connection protrusion 35, as in the support protrusion 11 of the base frame 10 described above, two form a pair, and are formed to be provided at each corner of the connection frame 30.

Since the connection frame 30 installs a floor plate 31 for a worker's high place work on the top floor, it forms a work area for the worker.

That is, according to the prefabricated safety scaffolding for high place work according to the present invention configured as described above, since the support is supported by extending in a right angle direction to each other in the front, rear, left and right sides of the lower base frame, work vibration or fall in all directions of the scaffold is prevented. Thus, it is possible not only to promote the safety of work at high places, but also to achieve zero fall accidents. Furthermore, since the overall frame structure of the scaffold is assembled and combined as well as a stacked variable structure, it improves the mobility of the scaffold structure while promoting a flexible height setting for high place work, and promotes the convenience and speed of assembly of the frame structure. It is possible to do.

And another embodiment of the prefabricated safety scaffold for high place work according to the present invention is installed on the connection frame 30 and extends outward on the same horizontal line as the floor plate 31, as shown in Figs. 7 and 8 It further comprises a variable support means 40 formed to be possible.

As shown in FIG. 8, the variable support means 40 includes an extension plate 41 forming a bottom surface extending outward of the bottom plate 31, and supporting the extension plate 41 in a horizontal state. It constitutes the support member (45).

The extension plate 41 is installed on the connection frame 30 in a foldable form, and spreads outward of the connection frame 30 to form a work area by the floor plate 31 so as to be extendable.

The support member 45 is hinge-coupled to the lower end of one side of the extension plate 41 so as to be rotatable.

Since the support member 45 is supported and coupled on the side frame 20 in the unfolded state of the extension plate 41, the unfolded horizontal state of the extension plate 41 is maintained.

The support member 45 forms a support bar 46 extended from the extension plate 41 and a binding end 47 that is contactably coupled to the side frame 20 at the end of the support bar 46 do.

In addition, as shown in FIG. 9, the support bar 46 of the support member 45 may be configured with a variable length structure capable of extending its length by itself. That is, the support bar 46 is a first support bar (46a) hinge-coupled to one end on the extension plate (41), and a second support bar (46a) that is slidable to extend its length. Since the support bar (46a) is provided, and the second support bar (46a) is configured with a locking binding pin (49) for locking and fixing on the first support bar (46a), corresponding to the side frame (20) It is possible to designate a resilient connection point.

That is, if the present invention is configured as in the other embodiments described above, since the floor area of the worktable is variably expanded, it is possible to further improve the diversity of work and work efficiency of high place work.

In the other embodiments described above, except for the above-described configuration, it is possible to implement the same configuration as in the above-described embodiment, and thus detailed descriptions are omitted.

In the above, a preferred embodiment of the prefabricated safety scaffolding for high place work according to the present invention has been described, but the present invention is not limited thereto, and various modifications are made within the scope of the claims, the specification of the invention, and the accompanying drawings. It is possible, and this also falls within the scope of the present invention.

10: base frame 11: support protrusion
11a: first supporting protrusion 11b: second supporting protrusion 12: with a guide
13: caster 14: length fixing pin 15: support fixing part
16: extension support bar 17: position fixing means 17a: height adjustment shaft
17a-1: operation lever 17a-2: support plate 17b: fastening nut
17c: locking nut 20: side frame 21: vertical frame
23: horizontal frame 25: side locking means 26: hook bracket
27: locking clamp 30: connection frame 31: floor plate
35: connecting protrusion 40: variable support means 41: extension plate
45: support member 46: support bar 46a: first support bar
46b: second support bar 47: binding end 49: locking binding pin

Claims (7)

A base frame having a plurality of casters at the lower portion, the support protrusions protruding at the upper portion thereof, and supporting support in all directions by extending in front and rear, left and right, but extending in a direction perpendicular to each other; A side frame standing on the base frame to form a side wall, fitted on the support protrusion, and configured to be extended and disposed in a vertical direction; Containing; a connecting frame in which a floor plate is installed on the uppermost floor by a layered structure by connecting and supporting the side frames in a layered structure, and in which a floor plate is installed for a worker's high place work on the uppermost floor,
The support protrusions are formed to form a pair of two and are provided at each upper edge portion of the base frame, wherein the support protrusions have a first support protrusion positioned corresponding to the upper edge of the base frame, and the first support protrusion It includes a second support protrusion positioned at a small interval,
The second support protrusion is positioned on one side with respect to the first support protrusion, but is formed to be positioned in a different direction from the other pair of second support protrusions positioned adjacent to each other,
The support fixing part is an extension support bar that is slidable in a straight forward and backward direction on the base frame to extend a length based on the base frame, and is vertically coupled to one side of the extension support bar to fix the position at a working position. Including a position fixing means,
The position fixing means includes a height adjustment shaft having a support plate at the lower end and a rotationally operable operation lever at the upper end, a fastening nut installed corresponding to the upper and lower surfaces of the extension support bar and screwed to the height adjustment shaft, and the It is screwed on the height adjustment shaft and includes a locking nut for locking and fixing the height adjustment shaft in contact with the fastening nut,
The support fixing part has a length fixing pin for fixing the length extension setting for the extension support bar on the base frame, and vertically penetrating the extension support bar and the base frame so as to communicate with each other, and the length fixing pin is fitted. It includes a fixing hole that can be combined,
The side frame includes side locking means for integrally locking and fixing between individual side frames positioned adjacent to each other,
The side locking means includes a hook bracket formed on the side frame to be hooked and contactable, and a locking clamp formed on the side frame adjacent to the hook bracket and formed to be locked on the hook bracket. Including,
It includes a variable support means installed on the connection frame and formed so as to extend toward the outside on the same horizontal line as the floor plate,
The variable support means includes an extension plate installed in a foldable form on the connection frame and formed to be extended outward, and a support member hinge-coupled to a lower end of one side of the extension plate and supported on the side frame,
The support member forms a support bar extending from the extension plate, and a binding end contactingly coupled to the side frame at an end of the support bar,
The support bar comprises a first support bar hinge-coupled to one end on the extension plate, and a second support bar slidably movable within the first support bar to extend a length, and the first support bar with respect to the second support bar Prefabricated safety scaffolding for high place work comprising a locking pin that locks onto the support bar
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