KR20080112015A

KR20080112015A - Guide supporter having a tilt function

Info

Publication number: KR20080112015A
Application number: KR1020070060691A
Authority: KR
Inventors: 이호건
Original assignee: 동방엔지니어링 주식회사
Priority date: 2007-06-20
Filing date: 2007-06-20
Publication date: 2008-12-24

Abstract

The present invention relates to a guide support having a tilting function. In constructing a bridge by a precast method, the horizontal state of the girder is maintained in the horizontal continuous construction of the segment, in order to improve workability and precise connection after construction. By reducing the number of corrections to maintain the horizontal state according to the construction, there is an effect that the air of the bridge construction can be reduced by drastically reducing the continuous joint time of the top plate segment of the bridge proceeding as a precast method according to the construction of the bridge .

Description

Guide supporter having a tilt function}

1 is an example of installing a top plate of a bridge for explaining a general precast method;

Figure 2 is a perspective view showing a support for receiving and supporting the girder according to the present invention,

Figure 3 is a side view illustrating a step by step transfer state of the guide support according to the invention,

Figure 4 is a front view illustrating a tilt state of the girder using the guide support according to the present invention.

◎ Explanation of code for main part of drawing ◎

1: girder 1A: front auxiliary support

1B: Rear Auxiliary Support 2: Lifting Means

3: spreader beam 10A: front guide support

10B: rear guide support 11: lower body

12: Moving roller 13: Drive motor

a: pier b: guide rail

S: segment

The present invention relates to a girder guide support having a tilt function, and more particularly, in constructing a bridge by a precaster method, to improve the support for horizontally supporting the girder from the bottom of the girder installed on the pier and the pier. The present invention relates to a girder guide support for greatly improving bridge construction work by correcting the horizontal state of girder between bridge piers and piers.

In general, the precaster method lifts a segment, which is mounted on the upper part between the pier and the pier, and becomes the top plate of the bridge by lifting means from the girder, which is moved according to the top plate hypothesis of the bridge. The method of constructing bridges as a method of moving and constructing them continuously.

As shown in FIG. 1, the front auxiliary support 1A is installed at the front end side of the total length of the girder 1 installed at the upper part of the pier a, and the rear auxiliary support 1B is installed at the lower end of the rear end side. ) Is installed.

For reference, the rear auxiliary support (1B) is provided with a caster at the bottom, the guide rail is continuously installed on the upper plate of the bridge as the bridge top plate is continuously installed as a continuous construction of the segment is installed by the moving means is adjustable (b) is to allow the overall movement of the girder, the front auxiliary support is fixed to the front side of the girder, the lower part is fixed to the upper part of the pier between the piers (a) where the top plate of the bridge is installed Is installed in the structure.

On the other hand, in the girder, the guide support is installed on the upper portion of the segment that is the basis of the bridge top plate on the upper part of the pier corresponding to the end of the temporary construction section of the bridge and on the upper plate segment of the continuous bridge is installed to support the girder Consists of.

That is, the guide support is located between the front auxiliary support and the rear auxiliary support, and more precisely, is positioned above the reference segment seated on the bridge so as to be a hypothesis reference for the bridge top plate.

The guide support is divided into the front guide support (10A) and the rear guide support (10B) is named, the structure is installed on the lower body 11, the upper side of the lower main body 11, the lower beam of the girder (1) The rolling roller is provided to guide the rolling, the moving roller is installed so as to be connected to the drive motor is additionally configured to be moved from the lower beam of the girder.

The guide guide is divided into the front guide support and the rear guide support as described above to support the lower part of the girder, to guide the cloud during the movement of the girder, and to move to the next pier point in the state where the bridge top plate of one section is continuously installed There was the same problem.

The girders, such as one large structure, are supported by auxiliary supports, but because of their relatively long lengths, the state of the girders supported by the supporting and guide supports cannot be maintained completely horizontal.

From the above point of view, as the upper plate of the bridge is installed as a continuous jointing method of lifting and transporting the segment through the girder, the fine adjustment time of the horizontal work of the segment becomes long, and the construction works out of problems such as out of the range. There was a problem in that the air of the overall bridge construction was extended because the correction work had to be performed several times.

The present invention has been invented for various problems as described above, in the construction of the bridge by the precaster method, by improving the support for horizontally supporting the girder from the bottom of the girder installed on the top of the piers and piers The aim is to significantly improve the construction of bridges by allowing the girder to be leveled between bridges.

According to the present invention for achieving the above object, the lower body and the lower body which is installed to be transportable between the auxiliary support with the auxiliary support provided on the lower front and back side of the girder mounted while being movable from the upper part of the piers by the precast method, The front guide support and the rear guide support provided with a moving roller for moving the cloud from the lower beam of the girder and a drive motor for driving the moving roller to support the lower part of the front and rear of the girder, the front guide It is characterized in that a plurality of hydraulic cylinders are installed in the lower body of the support and the rear guide support for tilting adjustment of the horizontal state of the girder.

Hereinafter, the present invention will be described in more detail with reference to FIGS. 2 to 4.

2 is a front view showing a support for receiving and supporting the girder according to the present invention, Figure 3 is a side view illustrating a transfer state of the guide support according to the present invention, Figure 4 using a guide support according to the present invention It is the front view which illustrated the tilt state of a girder.

The present invention is transferable between the auxiliary support (1A) (1B) with the auxiliary support (1A) (1B) installed on the lower front and back side of the girders (1) mounted while being movable from the top of the piers by the precast method The lower main body 11 to be installed, and the driving motor for driving the moving roller 12 and the moving roller 12 for moving the cloud from the lower beam (1-1) of the girder 1 on the lower main body 11 The front guide support (10A) and the rear guide support (10B) provided with (13) support the lower portion of the front and rear half of the girder (1), wherein the front guide support (10A) and the rear guide support (10B) A plurality of hydraulic cylinders 14 for tilting adjustment of the horizontal state of the girder 1 in the lower body 11 of the lower body 11 is provided.

Preferably, at least two hydraulic cylinders 14 are installed with respect to the lower body 11, and as shown in FIG. 2, three hydraulic cylinders 14 are provided for one lower body 11 and the center of the lower body and It is arranged on both sides to support and adjust the girder 1.

For reference, the movable roller 12 installed from the upper portion of the lower main body 11 of the front guide support (10A) and the rear guide support (10B) according to the present invention is a lower beam (1-1) of the girder (1) According to the installed number, it is installed in the form of being divided into four pairs by one pair.

The front guide support 10A installed as described above is supported at the top of the reference segment seated and installed at the top of the pier a corresponding to the end point of the installation section, and the rear guide support 10B is continuously It is placed on top of the segment that is installed and terminated to support the girders.

For reference, referring to the attached FIG. 1, the segment S to be installed as a spreader beam 3 through the lifting means 2 installed on the upper side of the girder 1 is transported to a lifting point and a construction point for continuous operation. The upper plate of the bridge is formed, and the girder 1 is moved when the continuous installation of the segment is completed between the bridge pi a and the pi a.

The girder 1 is horizontally moved as the rear auxiliary support 1B as the installation of the guide rails b on the segment S continuously installed, that is, the front side of the girder 1, that is, the front auxiliary support 1A. ) Is placed on top of the next pier (a) to be fixed.

In the movement of the girder 1 as described above, the front guide support 10A and the rear guide support 10B guide the lower beam 1-1 of the girder 1 to be moved as the moving roller 12. give.

When the movement of the girder 1 is completed and the front side of the girder 1 is fixed by the front auxiliary support 1A on the upper part of the pier a as described above, the reference segment is placed on the pier a. After installation, the rear guide support 10B is first moved to the point where the front guide support 10A is positioned, and when the rear guide support 10B is positioned, the front guide support 10A is girder 1 It is moved along the lower beam 1-1 of and is mounted on the upper surface of the reference segment.

As described above, the girder readjusts the horizontal state before the hypothesis of the segment for forming the upper plate of the bridge in a state where both the girder 1, the front guide support 10A and the rear guide support 10B are moved and mounted. .

The horizontal state of the girder (1) is horizontally in accordance with the degree of protrusion of the operating rod of the hydraulic cylinder (14) installed on the lower body 11 side of the front guide support (10A) and the rear guide support (10B) three respectively. By continuously tilting the girder 1 based on the upper surface of the installed segment S, a continuous construction of the segment is performed in the same manner as described above in a state in which the horizontal state is completely realized.

As described above, the present invention in the construction of the bridge by the precast method, the horizontal state of the girder in the continuous horizontal installation of the segment, in order to improve the workability and maintain the horizontal state according to the precise connection after construction work By reducing the number of corrections several times, it is possible to drastically reduce the continuous joint time of the top plate segment of the bridge proceeding as a precast method according to the construction of the bridge to reduce the air of the bridge construction.

Claims

The precast method is transportable between the auxiliary supports 1A and 1B together with the auxiliary supports 1A and 1B installed at the lower front and back sides of the girders 1, which are movable while being moved from the upper part of the piers a. The lower main body 11 to be installed, and the driving motor for driving the moving roller 12 and the moving roller 12 for moving the cloud from the lower beam (1-1) of the girder 1 on the lower main body 11 In the front guide support (10A) and the rear guide support (10B) provided with (13) to support the lower half of the first half of the girder (1),

Tilt function, characterized in that a plurality of hydraulic cylinders 14 are installed in the lower body 11 of the front guide support 10A and the rear guide support 10B to tilt the horizontal state of the girder 1 as the height. Guide support having a.