KR101469496B1 - Lifting method and bridge repairing for integrated scaffolding - Google Patents

Abstract

A method of assembling and lifting an integrated scaffold for repairing a bridge according to the present invention includes: supporting trusses which are formed in a truss form and are provided at regular intervals between piers of the bridge in the longitudinal direction; a work plate which is provided on the supporting trusses and forms a horizontal surface on the supporting trusses; a lifting truss which is formed in a truss form, and is provided below the supporting trusses so as to be perpendicular to the supporting trusses and support the supporting trusses; lifting devices which are provided on both sides of a slab positioned at the top of the bridge and generate power capable of moving the supporting trusses upward or downward; first lines which are connected to the lifting devices and whose lengths are variable depending on driving of the lifting devices; second lines which are provided so as to be attachable to and detachable from both ends of the lifting truss and whose ends are connected to the first lines; and a plurality of fixing lines which is provided at regular intervals between girders of the bridge, and supports the supporting trusses lifted upward by the lifting apparatuses, on the lower part of the bridge. The fixing lines are provided so as to be attachable to and detachable from the girders of the bridge, and fixes and supports the supporting trusses and the work plate having moved to predetermined positions below the bridge. If the supporting trusses and the work plate are fixed by the fixing lines, the lifting truss and the lifting apparatuses are detached from the supporting trusses and the work plate and are installed between other piers of the bridge where supporting trusses and a work plate have not been installed.

Description

TECHNICAL FIELD [0001] The present invention relates to an integrated scaffold assembly for a bridge repair work, and more particularly,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an integrated scaffold assembly and a scaffolding method for repairing bridges. More particularly, the present invention relates to a scaffold assembly and a scaffolding method for assembling scaffolds on a ground or sea barge, The present invention relates to an integral type scaffold assembly and impression method for repairing a bridge that can secure the safety of the operator and reduce air and construction cost by closely installing the scaffold frame on the lower part of the bridge.

Generally, a scaffold is a structure necessary for construction of a building, a bridge, and the like, and is used as a scaffold for material transportation, worker's passage, and work. These scaffolds were constructed by assembling the scaffolds from the ground to the top and laying them up to the work point to install the scaffolds necessary for the work.

Particularly, the scaffold used in bridges in the past has a problem that it takes a lot of work time and construction cost by installing the scaffold from the ground to the bottom of the bridge by assembling the scaffold from the ground to the work point. In addition, there is a problem in that a safety accident occurs due to a high-level work being performed by a worker after the material or the like is moved to the upper part of the bridge. Further, when the height of the bridge is high or the work span is located at the sea, there is a problem that it is impossible to install a scaffold in a manner of being piled up from the ground.

Regarding this, the contents of apparatus for safety diagnosis of a circular vertical structure of a bridge are disclosed in Korean Patent Registration No. 10-0858562 (2008.09.08), but the height adjustment for moving vertically on the top of the transportation means moving from the ground to the vehicle And a stepping plate provided on the upper end of the height adjusting part and formed in a arc shape to surround the bridge and moving the stepping plate to the lower end of the bridge post so that the worker can work the bridge. However, there is a problem that it is not possible to use a transportation means that can be driven on the ground in the case of a bridge like the sea. In the bridge span construction, a bridge is formed by a pair of arc- There is a problem that can not be used.

In addition, although the contents of the work for a bridge inspection and repair work are disclosed in Korean Patent Registration No. 10-1291815 (Feb. 25, 2013), a slide footrest slidable at the lower end of the bridge is provided, The bridge is connected to a vehicle that moves the upper end of the bridge to move the vehicle and enable the worker to work on the slide footboard. It is located at the top of the bridge, and the vehicle must be rented and driven according to the work environment. And a problem that it is costly. In addition, the area of the slide foot plate is narrow, which limits the work space that the worker can work with.

Reference 1: Korean Patent Publication No. 10-0858562 (2008.09.08) Citation 2: Korean Registered Patent No. 10-1291815 (Feb.

The integrated scaffold assembly and impression method for repairing bridges of the present invention assembles a scaffold in a space where horizontal scaffolding can be easily assembled like a barge in the ground or sea, The present invention aims to provide an integrated scaffold assembly and impression method for a bridge repair work capable of vertically moving and fixing a workable horizontal scaffold to a work position under a bridge.

In addition, a distance measuring sensor is provided at both ends of the horizontal scaffold to measure a shape tilted to one side during the elevating operation of the horizontal scaffold by the elevating device to control the elevating speed of the elevating device provided at the upper end of the bridge Another purpose is to provide an integral scaffolding and impression method for repair work.

The problems to be solved by the present invention are not limited to the above-mentioned problems, and other problems to be solved by the present invention, which are not mentioned here, can be understood by referring to the following description to those skilled in the art It will be understood clearly.

According to the present invention, there is provided an integrated scaffold assembly and impression method for repairing a bridge, comprising: a support truss formed in a truss shape and spaced equidistantly in the longitudinal direction between piers of bridges; An impression truss which is formed in a truss shape and provided at a lower end of the supporting truss so as to be perpendicular to the supporting truss and supports the upper supporting truss; A lifting device installed on the lifting truss for generating power capable of moving the lifting truss to an upper portion or a lower portion; a first line connected to the lifting device and variable in length according to driving of the lifting device; A second line which is detachably attached to both ends of the truss and whose ends are fastened to the first line, And a fixing line for supporting the supporting truss, which has been moved upward by the elevating device, to a lower portion of the bridge, wherein the fixing line comprises a plurality of girders, And the supporting truss and the work plate moved to a predetermined position under the bridge are fixedly supported, and when the supporting truss and the working plate are fixed by the fixing line, The impression truss and the elevating device are disassembled from the installation position and moved between the bridge bridges of the non-installed bridges.

And a distance measuring sensor for measuring the distance between the work plate and the lower end of the bridge is provided on both sides of the work plate.

The first line may be represented by at least one color for each predetermined distance so as to determine whether the length of the first line is variable when the lifting device is driven.

The integrated scaffold assembly and impression method for repairing bridges of the present invention assembles a scaffold in a space where horizontal scaffolding can be easily assembled like a barge in the ground or sea, There is an effect that the horizontal scaffold that can be operated can be vertically moved and fixed to the working position of the lower portion of the bridge.

Further, a distance measuring sensor is provided at both ends of the horizontal scaffold to measure a shape tilted to one side during the elevating operation of the horizontal scaffold by the elevating device to control the elevating speed of the elevating device provided at the upper end of the bridge .

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a side view showing the construction of an integrated scaffold assembly and impression method for repairing a bridge according to the present invention; FIG.
2 is a plan view showing the construction of an integral scaffold assembly and impression method for repairing a bridge according to the present invention.

The above and other objects, features and advantages of the present invention will be more apparent from the following detailed description taken in conjunction with the accompanying drawings, in which: FIG. BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving them will become apparent by reference to an embodiment which will be described in detail below with reference to the accompanying drawings.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in more detail with reference to the accompanying drawings.

The integrated scaffold assembly and impression method for repairing a bridge according to an embodiment of the present invention includes a support truss 10 spaced equidistantly in the longitudinal direction between piers of bridges, A pulling truss 30 installed perpendicularly to the lower end of the supporting truss 10 to support the supporting truss 10 and a rising truss 30 provided on both sides of the upper slab of the bridge for generating power, A first line 50 fastened to the lifting device 40 and a second line 60 provided at both ends of the impression truss, And a fixing line 70 provided between the supporting truss 10 and the supporting truss 10 to fix the supporting truss 10.

First, in the integrated scaffold assembly and impression method for repairing bridges of the present invention, a support truss 10 is provided. The supporting truss 10 is formed in a truss shape and is provided in the longitudinal direction between the bridge bridges. That is, the support truss 10 is formed by the distance between the bridge piers of the bridges, and a plurality of bridges are provided at equal intervals. This is because the support truss 10 provided at the same spacing serves to support the lower end of the work plate 20, which will be described below.

A working plate 20 is provided on the upper end of the supporting truss 10. The working plate 20 is provided at the upper end of the supporting truss 10 and serves to form a horizontal plane at the upper end of the supporting truss 10. That is, the work plate 20 is provided at the upper end of the support truss 10 formed at equal intervals and serves to form a horizontal surface on which an operator can work.

At the lower end of the supporting truss 10, an impression truss 30 is provided. The impression truss 30 is formed in a truss shape and is provided at the lower end of the supporting truss 10 and is installed to be orthogonal to the supporting truss 10. That is, the impression truss 30 is provided so as to be orthogonal to the lower end of the support truss 10 installed in the longitudinal direction of the bridge, and has both ends protruded outwardly of the bridge. This is because when the support truss 10 and the work plate 20 are moved upward by the impression truss 30, the impression truss 30 supports the support truss 10 and the work plate 20 .

The support truss 10, the work plate 20 and the impression truss 30 perform assembling work in a space having a horizontal work space such as a barge at the time of assembling on the ground or in the sea below the bridge, The assembled support truss 10, the work plate 20 and the impression truss 30 are connected by a lifting device 40, a first line 50 and a second line 60, To the working position.

On both sides of the slab above the bridge, a lifting device (40) is provided. The lifting device 40 is installed on both sides of the slab on the bridge, and generates power to move the lifting truss up or down. That is, the lifting device 40 is installed on both sides of the slab on the bridge, and serves to wind or loosen the first line 50, which will be described below, by rotating the slab so as to vary its length. This serves to move the impression truss 30 upward or downward by using the power of the lifting device 40. More specifically, the lifting device (40) is provided at the top of the slab above the bridge extending on the vertical line at both ends of the impression truss (30) located under the bridge.

The lifting device (40) is provided with a first line (50). The first line 50 is provided to be coupled to the lifting device 40 and the length thereof is variable according to the driving of the lifting device 40. That is, the first line 50 is provided by a chain or wire that can support the load of the support truss 10, the work plate 20 and the pull truss 30, When the support truss 10, the work plate 20, and the impression truss 30 are transferred to the upper portion or the lower portion by rotational driving of the support truss 10, the load is supported.

A fastener is provided at the end of the first line 50 to fasten the front end of the second line 60, which will be described below. That is, the second line 60 is connected to the fastener provided in the first line 50 so that the power of the first line 50 driven by the lifting device 40 is transmitted to the second line 60) can be delivered.

At both ends of the impression truss 30, a second line 60 is provided. The second line 60 is provided at both ends of the impression truss 30 and the front end of the second line 60 is fastened to a fastener provided at the end of the first line 50. That is, the second line 60 is connected to the fastener of the first line 50 and moves the impression truss 30 upward or downward according to driving of the riser 40.

A fixed line 70 is provided between the upper end of the support truss 10 and the girder of the bridge. The fixing line 70 is spaced at equal intervals between the upper end of the supporting truss 10 and the girder of the bridge and is detachably provided. (10) to the lower part of the bridge. That is, the fixed line 70 fixes and supports the supporting truss 10 and the work plate 20 moved to the working position under the bridge by the driving of the lifting device 40, And the lifting truss 30, the lifting device 40, the first line 50, and the second line 60, which have been transferred to the lower portion of the bridge. This allows the worker to work by fixing the support truss 10 and the work plate 20 to the working position under the bridge by the fixing line 70 and the support truss 10 and the work plate 20 20, the lifting truss 30, the lifting device 40, the first line 50 and the second line 60 to be able to be reinstalled between bridge bridges of the next section .

More specifically, the pulling truss 30, the lifting device 40, the first line 50 and the second line 60 are connected to the supporting truss 10 and the work plate 10 by the fixing line 70, The lifting truss 30, the lifting device 40, the first line 50 and the second line 60 are disassembled to move between the bridge bridges of the uninstalled bridges, One operation is repeated.

Further, the rotational speed of the lifting device (40) can be controlled by the operator. This serves to control the rotation speed of the lifting device so that the work plate 20 can be moved to the upper or lower side while maintaining the horizontal plane.

In addition, the first line 50 is marked with at least one color every predetermined distance. That is, when the length of the first line 50 varies through each of the elevating devices 40, the operator can visually confirm the notation displayed every predetermined distance, So that it can move to the upper part or the lower part.

On both sides of the work plate 20, a distance measuring sensor 80 is provided. The distance measuring sensor 80 is provided on both sides of the work plate 20 and measures the distance between the work plate 20 and the lower end of the bridge. That is, the distance measuring sensor 80 serves to detect whether or not the horizontal plane is maintained when the work plate 20 is moved upward by the lifting device 40. More specifically, when the support truss 10, the work plate 20, and the pull truss 30 are tilted to one side when they move upward or downward, the lifting device 40, There is a problem that loads are concentrated on the line 50 and the second line 60 and breakage of the equipment may occur. Therefore, the notation of the first line 50 and the horizontal plane So that the load is evenly distributed and moved to the upper portion or the lower portion.

Hereinafter, the operation of the integral scaffold assembly and impression method for repairing bridges according to the present invention will be described in detail.

First, the impression truss 30 is assembled in a work space such as a barge having a work space on the ground or below the bridge. At this time, the impression truss 30 is installed in a direction orthogonal to the longitudinal direction of the bridge.

Next, the support truss 10 is assembled at the upper end of the impression truss 30 so as to be spaced at equal intervals in a direction orthogonal to the impression truss. At this time, the support truss 10 is not fixedly fastened to the impression truss 30 so that the impression truss 30 can be disassembled as described above.

The worktable (20) is installed on the upper end of the support truss (10). The work plate 20 serves to form a horizontal plane at the upper end of the support truss 10 installed at the upper end of the impression truss 30 at equal intervals. That is, the work plate 20 forms a work surface on which an operator can work, and is installed so as to be detachable from the support truss 10.

The second line 60 is installed at both ends of the impression truss 30 when the impression truss 30, the supporting truss 10 and the work plate 20 are assembled. That is, the front end of the second line 60 is engaged with a fastener formed at the end of the first line 50 to receive the power of the riser 40.

When the assembly of the impression truss 30, the supporting truss 10, and the work plate 20 is completed, the lifting device 40 is detachably installed on both sides of the slab at the upper end of the bridge. At this time, the mounting position of the lifting device (40) is provided at the same position as the vertical position of both ends of the pulling truss (30). When the lifting truss (30) is moved upward by the lifting device (40), the lifting truss (30) is lifted up in a vertical direction to prevent a moment from being generated.

When the installation of the lifting device 40 is completed, the end of the first line 50 is moved to both ends of the impression truss 30 assembled at the lower portion of the bridge. This allows the front end of the second line (60) to be fastened to a fastener formed at the end of the first line (50) so that the impression truss (30) can receive the power of the lifting device (40).

When the first line 50 and the second line 60 are engaged, the lifting device 40 is operated. The lifting truss 30, the supporting truss 10 and the work plate 20 are moved upward as the lifting device 40 is driven and the work plate 20 is maintained in a horizontal plane . This is accomplished by adjusting the rotational force of each lifting device 40 by the notation of the first line 50 visually identifiable by the operator and the distance measuring sensor 80 so as to control the impression truss 30, 10 and the work plate 20 do not tilt to one side but maintain the horizontal plane and move to the working position in the lower portion of the bridge.

A fixed line (70) is fastened to the upper end of the supporting truss (10) moved to the working position below the bridge. The fixing line 70 is provided between the upper end of the supporting truss 10 and the girder of the bridge so that the supporting truss 10 can be fixed to the lower portion of the bridge without moving downward, So that the support truss 10 and the work plate 20 can be positioned.

When the fixed line (70) is installed, the lifting truss (30) is moved downward by driving the lifting device (40). That is, when the lifting truss 30 is moved by the lifting device 40 to the work space such as the ground or sea barge which is the initial work point, the lifting truss 30 and the lifting device 40 are disassembled And moves between the piers of the next section where the scaffold is not installed.

The disassembly operation of the support truss 10 and the work plate 20 can be carried out in the same manner as the above-described installation (installation) of the support truss 10 and the work plate 20, And proceeds in the reverse order of the configuration.

As described above, it is to be understood that the technical structure of the present invention can be embodied in other specific forms without departing from the spirit and essential characteristics of the present invention.

Therefore, it should be understood that the above-described embodiments are to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than the foregoing description, All changes or modifications that come within the scope of the equivalent concept are to be construed as being included within the scope of the present invention.

10: Support truss
20: work board
30: impression truss
40: lifting device
50: First line
60: Line 2
70: Fixed line
80: Distance measuring sensor

Claims (3)

A support truss formed in a truss shape and spaced equidistantly in the longitudinal direction between bridge bridges;
A work plate provided at the upper end of the support truss and forming a horizontal plane on the upper end of the support truss;
An impression truss formed in a truss shape and provided at a lower end of the supporting truss, the impression truss being provided to be orthogonal to the supporting truss and supporting the upper supporting truss;
A lifting device installed on both sides of the slab above the bridge to generate power capable of moving the impression truss to the upper or lower side;
A first line coupled to the lifting device and having a variable length according to driving of the lifting device;
A second line which is detachably attached to both ends of the impression truss, and whose end is fastened to the first line; And
And a fixing line for supporting the supporting truss, which is moved upward by the elevating device, to the lower portion of the bridge, wherein the supporting truss is disposed at equal intervals between the upper end of the supporting truss and the girder of the bridge,
The fixed line includes:
A supporting truss and a working plate which are detachably attached to the girder of the bridge and moved to a predetermined position under the bridge,
The impression truss and elevator device,
When the supporting truss and the work plate are fixed by the fixing line, the impression truss and the elevating device are disassembled from the installation position to move between the bridge bridges of the uninstalled bridges,
On both sides of the work plate,
And a distance measuring sensor for measuring a distance between the work plate and the lower end of the bridge is provided. The method according to claim 1,
Wherein the first line includes:
Wherein at least one color is set for each predetermined distance so as to determine whether the length of the first line is variable when the lifting device is driven. delete

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