KR20210089382A - A temporary bridge dismantlement system and Method for dismantlement - Google Patents

Abstract

The present invention provides a temporary bridge dismantlement system and a dismantlement method, which can easily dismantle a temporary bridge in row units and reduce time and costs required when dismantling a temporary bridge. According to an example embodiment of the present invention, the temporary bridge dismantlement system dismantles an upper frame supporting a bridge and a temporary bent supporting the upper frame and comprises: a lift device positioned in the bridge to penetrate the bridge to be connected to the upper frame to lift the upper frame toward the bridge; a height adjustment unit including a first height adjustment unit installed on the upper side of the temporary bent to adjust the height of the temporary bent and a second height adjustment unit installed on the lower side of the temporary bent; a bottom frame allowing the temporary bent to be mounted thereon, and installed in the width direction of the bridge; a moving unit positioned between the temporary bent and the bottom frame, and guiding the movement of the temporary bent; and a temporary support installed on the lower end of the temporary bent to install the moving unit.

Description

A temporary bridge dismantlement system and method for dismantlement}

The present invention relates to a temporary bridge dismantling system and dismantling method.

In general, bridges are intended to cross rivers, valleys, rivers, lakes, coasts, straits, etc. that are obstructed on transportation routes such as roads, railroads, waterways, etc., or to pass through another road, railroad, house, farmland, city area It is a generic term for structures constructed with

Bridges are classified into road bridges, railroad bridges, footbridges, aqueduct bridges, and public bridges according to their intended use. According to the material classification, bridges made of wood, stone bridges, steel bridges using rolled steel for structural purposes, cement , and concrete bridges constructed using sand and reinforcing bars as materials.

The temporary bridge is installed before the above-mentioned bridge construction work to temporarily support the bridge structure during bridge construction, and is dismantled and demolished after the bridge construction is completed. At this time, since the temporary bridge mostly relies on manpower for installation/disassembly/transportation, there were problems in that the labor cost was excessive and the construction efficiency was lowered.

The present invention has been devised to solve the above-described problems, and it is possible to easily dismantle a temporary bridge in units of columns, and to a temporary bridge dismantling system and dismantling method that can reduce the time and cost consumed in dismantling the temporary bridge. it's about

The temporary bridge dismantling system according to an embodiment of the present invention for dismantling the upper frame supporting the bridge and the temporary vent supporting the upper frame is located inside the bridge, penetrates the bridge, and is connected to the upper frame and the upper frame A lifting device for lifting the frame to the side of the bridge, a height adjusting part including a first height adjusting part installed on the upper side of the temporary vent and a second height adjusting part installed on the lower side of the temporary vent to adjust the height of the temporary vent , A floor frame on which the temporary vent is seated and installed in the width direction of the bridge, located between the temporary vent and the floor frame, and to install a moving part and the moving part for guiding the movement of the temporary vent, the hypothesis It may include a temporary support installed at the lower end of the vent.

In addition, the moving unit, a first moving frame installed on the floor frame, a second position on the side of the first height adjusting unit, connected to the first height adjusting unit and the moving unit at the same time to form a single row It may include a moving frame and a roller unit connected in a direction toward the first moving frame from an upper portion of the first moving frame.

In addition, the roller unit, the side edge facing the bottom frame is formed at both ends, the roller housing for positioning the first moving frame inside the side edge, the roller body positioned inside the roller housing and the outer surface of the roller body It may include a plurality of rollers installed in the to rotate to move the moving part.

In addition, the moving unit, located at the end of the first moving frame, connected to the second moving frame may include a pulling device for pulling the second moving frame.

In addition, the lift device may include an upper cylinder installed inside the bridge, a lower cylinder connected to the support frame of the upper frame, and a cylinder shaft passing through the bridge to connect the upper cylinder and the lower cylinder.

The method for dismantling a temporary bridge according to an embodiment of the present invention includes lifting an upper frame installed during bridge construction with a lift device, dismantling an inclined member installed on the upper frame, and removing a temporary vent located under the upper frame. It may include the steps of separating from the ground surface, installing a moving part under the temporary vent, moving the temporary vent along the moving part, and separating and disassembling the temporary vent.

In addition, the lifting may further include installing a lift device inside the bridge and connecting the cylinder shaft of the lift device to the upper frame by penetrating the bridge.

In addition, the step of installing the moving part is a step of installing a temporary support installed in the width direction of the bridge on the upper surface of the floor frame installed under the temporary vent, connecting to the lower end of the temporary vent, and inserting the first moving frame to the inside and installing a second moving frame to which the roller unit is connected, dismantling the temporary support, and locating at the end of the first moving frame to connect the second moving frame and the pulling device have.

In addition, the moving step may include dismantling the connection of the adjacent temporary vents interconnected in the width direction of the bridge and pulling the interconnected temporary vents with a pulling device.

In addition, it may further include the step of moving the upper frame to the ground surface by the lifting device.

The temporary bridge dismantling system and dismantling method according to an embodiment of the present invention can easily dismantle the temporary bridge in units of columns, thereby reducing the time and cost required for dismantling the temporary bridge.

1 is a view schematically showing a state in which a temporary bridge is installed.
2 is a view showing a temporary bridge dismantling system according to an embodiment of the present invention.
3 is an enlarged view of the moving part installed under the temporary vent shown in FIG. 2 .
4 is a flowchart of a method for dismantling a temporary bridge according to an embodiment of the present invention.
5 and 6 are views showing the movement of the temporary vent shown in FIG.
7 is a view showing the movement of the upper frame shown in FIG. 4 to the ground surface.
8 is a view showing the disassembly of the upper frame shown in FIG.

Hereinafter, with reference to the accompanying drawings, the embodiments of the present invention will be described in detail so that those of ordinary skill in the art to which the present invention pertains can easily implement them. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. In order to clearly explain the present invention in the drawings, parts irrelevant to the description are omitted, and the same reference numerals are assigned to the same or similar components throughout the specification.

In the present specification, terms such as “comprise” or “have” are intended to designate that a feature, number, step, operation, component, part, or combination thereof described in the specification exists, but one or more other features It is to be understood that it does not preclude the possibility of the presence or addition of numbers, steps, operations, components, parts, or combinations thereof. Further, when a part of a layer, film, region, plate, etc. is said to be “on” another part, this includes not only the case where the other part is “directly on” but also the case where there is another part in between. Conversely, when a part of a layer, film, region, plate, etc. is said to be “under” another part, this includes not only cases where it is “directly under” another part, but also a case where another part is in between.

The bridge (B) is to connect the surrounding separated zones, and may be installed so that people or vehicles can move to the upper surface of the bridge (B). In order to install such a bridge (B), a temporary bridge may be temporarily installed up to the upper part where the bridge (B) is to be installed on the ground surface where the bridge (B) is installed, that is, to a position supporting the bridge (B). When the bridge (B) is completed, the temporarily installed temporary bridge must be separated and demolished, and the temporary bridge dismantling system of the present invention can be used to dismantle such a temporary bridge.

In order to explain the function and configuration of the temporary bridge dismantling system 100 of the present invention, the structure of the temporary bridge to be demolished according to the present invention will be first described.

1 is a view schematically showing a state in which a temporary bridge is installed.

Referring to FIG. 1 , the temporary bridge may include an upper frame part 10 , a temporary vent 20 , and a floor frame 50 .

The bridge (B) can be installed by installing a temporary vent 20 in the lower part from the left or right side, extending the concrete, etc., and installing the bridge (B).

For this reason, the temporary vents 20 have a certain width and may be installed to be spaced apart from each other on the bridge B, and each temporary vent 20 spaced apart from each other is an extended bridge (B) or an upper frame part (10). can be connected via

The upper frame part 10 may include a U-shaped frame 11 and a support frame 12 .

The U-shaped frame 11 is positioned to support the outer surface of the bridge (B), and can determine the appearance when the bridge (B) is constructed. In addition, a support frame 12 for supporting the U-shaped frame 11 may be installed under the U-shaped frame 11 (see FIG. 2 ).

The support frame 12 may be connected to the peripheral zone, and may support the U-shaped frame 11 .

The support frame 12 may be installed with a girder, an H-beam, a formwork, etc., and may be made of a pipe or concrete forming a vertical, horizontal and inclined plane. For this reason, the support frame 12 can be fixed more firmly.

In addition, a temporary vent 20 may be connected to the lower portion of the support frame 12 . When extending the material of the bridge (B) such as concrete from the left or right end of the bridge (B) made of concrete or the like, the temporary vent 20 is temporarily placed in the lower part before the material that becomes the material of the bridge (B) is fixed. It can serve to support the bridge (B) to be built. In addition, in order to install the temporary vent 20 in the lower portion of the temporary vent 20, a floor frame 50 may be installed on the ground surface.

The floor frame 50 may be installed for each width of the temporary vents (B) on which the temporary vents 20 are seated and installed to be spaced apart from each other on the bridges (B), and along the direction in which the temporary vents 20 extend in the longitudinal direction. can be extended.

2 is a view showing a temporary bridge dismantling system according to an embodiment of the present invention.

Referring to FIG. 2 , the temporary bridge of the present invention may include a temporary vent 20 , a first height adjustment unit 30 , a second height adjustment unit 40 , and a floor frame 50 .

The temporary vent 20 may include a plurality of vertical members 21 , horizontal members 22 , inclined members 23 , and brackets 26 .

The vertical member 21 may be in the shape of a pipe having a circular cross section or an H-beam shape.

The horizontal member 22 may be double formed of a pipe or an H-beam, and the vertical member 21 may be connected to each other to be fixed. At this time, the inclined member 23 for solidifying the connection between the vertical member 21 and the horizontal member 22 may be installed.

The inclined member 23 is formed in a lattice structure and is in close contact with the vertical member 21 and the horizontal member 22, and transmits the load applied to the vertical member 21 and the horizontal member 22 to the external pillar to reduce the side load of the building. have.

In addition, the temporary vent 20 may be additionally installed with a work platform 24 , a ladder 25 and a bracket 26 .

The working scaffold 24 has a rectangular shape, and a scaffold hole 24a may be formed at the left end or the right end.

The working platform 24 may be installed in a space formed by combining the vertical member 21 and the horizontal member 22 . In addition, a pipe that may be a system pipe may be additionally installed on the horizontal member 22 in order to install the working scaffold 24 .

Due to this, the worker can couple and separate the temporary vent 20 while moving between the temporary vents 20 .

In addition, the working scaffold 24 has a scaffold hole 24a formed in a portion where the ladder 25 connected to the vertical member 21 is located, so that the operator can move up and down. At this time, the ladder 25 may be installed so that the operator can easily move up and down.

The ladder 25 may be located on the upper side of the working scaffold 24 , and may be connected to the vertical member 21 . For this reason, the vertical movement of the operator may be easy, and the installation and disassembly of the temporary vent 20 may be easy.

At this time, the vertical member 21 , the horizontal member 22 , the inclined member 23 , the working platform 24 and the ladder 25 may be connected by the bracket 26 . Specifically, the bracket 26 is installed at the point where the vertical member 21, the horizontal member 22, the inclined member 23, the working scaffold 24 and the ladder 25 are connected, the vertical member 21, the horizontal member 22, It is possible to more firmly connect the inclined material 23, the working platform 24 and the ladder 25. At this time, the first height adjusting unit 30 and the second height adjusting unit 40 may be installed at the lower end and upper end of the temporary vent 20 .

The first height adjustment unit 30 may be installed between the temporary vent 20 and the bottom surface at the lower end of the temporary vent 20 to adjust the lower height of the temporary vent 20 .

In addition, a second height adjusting unit 40 is installed between the temporary vent 20 and the upper frame 10 at the upper end of the temporary vent 20 to adjust the upper height of the temporary vent 20 .

In addition, the bottom frame 50 may be installed at the lower end of the first height adjustment unit 30 .

The floor frame 50 may be an H-beam, the temporary vent 20 is seated on the upper part, and may be installed in the width direction of the bridge (B). For this reason, the temporary vent 20 may be easily leveled with the floor surface.

3 is an enlarged view of the moving part installed under the temporary vent shown in FIG. 2 .

Referring to Figure 3, the lower end of the temporary vent 20 is connected to the vertical member 21 or the horizontal member 22, the first height adjustment unit 30 capable of adjusting the height may be installed.

The first height adjustment unit 30 may include a first upper body 31 , a first lower body 32 , a first length adjustment body 33 , and a first length adjustment member 34 .

The first upper body 31 may have a trapezoidal shape, a hole may be formed in the center thereof, and may be screwed to a vertical member 21 or a horizontal member 22 positioned above the height adjusting unit 30 . In addition, the first upper body 31 may be installed at the lower end of the vertical member 21 and the horizontal member (22).

At this time, the first lower body 32 may be installed to correspond to the first upper body 31 .

The first lower body 32 may have the same trapezoidal shape as the first upper body 31 , and a hole corresponding to the hole formed in the first upper body 31 may be formed in the center, and the moving frame 121 . It can be coupled and separated through the first coupling member 35 screwed to the upper portion of the.

The first upper body 31 and the first lower body 32 may be connected through a first length adjustment body 33, and the first length adjustment body 33 may have a cylindrical cross-section, and a thread is provided on the outer surface. may be formed, and may be inserted into and connected to a hole formed in the center of the first upper body 31 and the first lower body 32 .

In addition, a first length adjusting member 34 may be installed on the outer surface of the first length adjusting body 33 . A thread corresponding to the thread formed on the outer surface of the first length adjusting body 33 may be formed on the inner surface of the first length adjusting member 34 .

For this reason, the first length adjusting body 33 is moved up and down by the rotation of the first length adjusting member 34 , so that the length of the first height adjusting part 30 can be adjusted.

That is, the height adjustment unit 30 installed between the temporary vent 20 and the upper frame 10 and the moving unit 120 disassembles the first coupling member 35 screwed with the bottom frame 50, By rotating the first length adjusting member 34 coupled to the first length adjusting body 33, the first lower body 32 is raised, and the first lower body 32 is connected to the first moving frame 121a and can be separated. For this reason, it is possible to form a space in which the roller unit 122 can be inserted between the first lower body 32 and the first moving frame (121a).

Referring to FIG. 3 , a second height adjustment unit 40 that is connected to the vertical member 21 or the horizontal member 22 and can adjust the height may be installed at the upper end of the temporary vent 20 .

The second height adjusting unit 40 may include a second upper body 41 , a second lower body 42 , a second length adjusting body 43 , and a second length adjusting member 44 .

The second upper body 41 may have a trapezoidal shape, a hole may be formed in the center thereof, and may be screwed to the upper frame 10 located above the height adjusting unit 40 . Also, the second upper body 41 may be installed at the lower end of the upper frame 10 .

In this case, the second lower body 42 may be installed to correspond to the second upper body 41 .

The second lower body 42 may have the same trapezoidal shape as the second upper body 41 , and a hole corresponding to the hole formed in the second upper body 41 may be formed in the center, and the upper frame 10 . It may be coupled and separated through the second coupling member 45 screwed to the lower portion.

The second upper body 41 and the second lower body 42 may be connected through a second length adjustment body 43, and the second length adjustment body 43 may have a cylindrical cross-section, and a thread is provided on the outer surface. may be formed, and may be inserted into and connected to a hole formed in the center of the second upper body 41 and the second lower body 42 .

In addition, a second length adjusting member 44 may be installed on the outer surface of the second length adjusting body 43 . A thread corresponding to the thread formed on the outer surface of the second length adjusting body 43 may be formed on the inner surface of the second length adjusting member 44 .

For this reason, the second length adjusting body 43 moves up and down by the rotation of the second length adjusting member 44 , so that the length of the second height adjusting unit 40 can be adjusted.

That is, the second height adjustment unit 40 installed between the upper frame 10 and the temporary vent 20 dismantles the upper frame 10 and the screw-coupled portion, and is coupled to the second length adjustment body 43 . By rotating the second length adjustment member 44, the second lower body 42 can be reduced to separate the upper frame 10 and the temporary vent 20.

2 and 3 , the temporary bridge dismantling system 100 according to an embodiment of the present invention may include a lift device 110 , a moving unit 120 , and a temporary support 130 .

The lift device 110 may include an upper cylinder 111 , a lower cylinder 112 , and a cylinder shaft 113 .

The upper cylinder 111 may be installed inside the bridge B, and may apply a force to the upper frame 10 to bring the bridge B and the upper frame 10 into close contact. Also, the upper cylinder 111 may be connected to the lower cylinder 112 .

The lower cylinder 112 may be installed in the lower part of the bridge B, and may be installed in the upper frame 10 . In addition, it may be installed on a straight line with the upper cylinder 111 .

The lower cylinder 112 may transmit the pressure generated in the upper cylinder 111 to a temporary material installed in the lower part of the lower cylinder 112 or the upper frame 10 .

For this reason, it is possible to apply a force for raising the upper frame 10 so that the upper frame 10 installed in the lower part of the lower cylinder 112 can be in close contact with the bridge side.

The cylinder shaft 113 may be installed at the center of the upper cylinder 111 and the lower cylinder 112 , and may be located between the upper cylinder 111 and the lower cylinder 112 , a bridge (B) and a U-shaped frame. It can be installed through (11).

In addition, the cylinder shaft 113 connects the upper cylinder 111 and the lower cylinder 112 to easily transmit the pressure generated in the upper cylinder 111 to the lower cylinder 112, and the lower cylinder 112 is located in the lower part of the cylinder. Pressure can be easily transmitted to the installed upper frame 10 .

For this reason, it is possible to transmit the force generated by the lift device 110 to the upper frame 10 so that the upper frame part 10 is in close contact with the bridge B or is spaced apart.

That is, due to the lift device 110, when the temporary vent 20 is installed and dismantled, the bridge B is brought into close contact with the upper frame 10, and after the temporary vent 20 is removed, the upper frame 10 ) in close contact with the bridge (B), when the temporary vent 20 is spaced apart from the upper frame 10, it is possible to prevent the temporary vent 20 from falling to the floor.

The moving unit 120 may include a moving frame 121 , a roller unit 122 , a hydraulic jack 123 , a connecting member 124 , and a pulling device 125 .

The moving frame 121 may include a first moving frame 121a and a second moving frame 121b.

The first moving frame 121a may be an H-beam, and may be installed between the first height adjustment unit 30 connected to the lower end of the temporary vent 20 and the floor frame 50 .

In addition, the first moving frame 121a may be installed in the longitudinal direction of the temporary vent 20, and the first moving frame 121a may facilitate movement of the roller 122c that may be installed thereon. . At this time, the roller part 122 may be installed on the upper part of the first moving frame 121a.

In addition, the first height adjusting unit 30 may be installed on the upper portion of the roller unit 122 , respectively, and the first height adjusting unit 30 and the roller unit 122 may be screwed together. At this time, the second moving frame 121b together with the first height adjusting part 30 and the roller part 122 may be coupled to the outer surfaces of the first height adjusting part 30 and the roller part 122 .

The second moving frame 121b is installed on the upper side of the first moving frame 121a and may be installed on the side of the first moving frame 121a. In addition, the second moving frame 121b may be installed while connecting each of the first height adjusting unit 30 and the roller unit 122 to form a column.

In addition, a plurality of second moving frames 121b may be installed at the lower portion of the temporary vent 20, and the first height adjusting unit 30 may be coupled to the left and right ends of each second moving frame 121b. can Due to this, it is possible to determine the column in which the temporary vent 20 is separated.

That is, the second moving frame 121b connecting the first height adjusting unit 30 may form one row.

In addition, the second moving frame 121b may be screw-coupled to the first height adjustment unit 30, and may be separated and coupled by an operator.

The roller unit 122 may include a roller housing 122a, a roller body 122b, and a roller 122c.

The roller housing 122a) may have a rectangular or 'C' shape in cross section, a hollow portion may be formed therein, and side edges may be formed on the left and right sides to prevent separation of the roller 122c.

As another example of the roller housing 122a, the roller housing 122a has a side edge extending in the direction of the first moving frame 121a, and the ends of the left and right sides are curved inward of the first moving frame 121a. and can be formed.

For this reason, it is possible to prevent the roller housing 122a from being separated when it moves along the upper surface of the first moving frame 121a, which may be an H-beam.

The roller body 122b may have a smooth outer surface, and thus, the roller 122c may be coupled to the outer surface of the roller body 122b.

The roller may have a circular cross section, and a plurality of rollers are installed on the outer surface of the roller body 122b, and when the temporary vent 20 is seated on the roller housing 122a, the roller 122c rotates to move the temporary vent 20 can be easily guided. For this reason, the second moving frame 121b to which the roller unit 122 is connected can be easily moved.

When the plurality of second moving frames 121b to which the roller unit 122 is connected are pulled by applying force from the left or right ends, the second moving frames 121b are separated and moved toward the left or right ends. When the second moving frame 121b moves, the first lower body 32 connected to the second moving frame 121b moves together, and the temporary vent 20 coupled to the first lower body 32 upper part. may be separated in units of columns by moving left or right together with the second moving frame 121b.

At this time, the left or right end of the second moving frame 121b may be connected to the outside of the temporary vent 20 through the connecting member 124 , and the second moving frame 121b is attached to the end of the connecting member 124 . A hydraulic jack 123 for separating the rows connected to the second moving frame 121b by horizontally applying a force to each row from the ground surface may be installed.

In addition, the connection member 124 may be connected to the pulling device 125, which may be a hydraulic cylinder installed on the outside of the temporary vent 20, and transmit the pressure of the pulling device 125 to the second moving frame 121b. can

That is, the second moving frame 121b is separated by the pressure generated from the hydraulic jack 123 , and the separated second moving frame 121b is installed on the outside of the temporary vent 20 by the pulling device 125 . It is possible to move the heat of the temporary vent 20 by receiving a force.

In order to install the moving frame 121 and the roller 122 as described above, the temporary support 130 may be installed at the lower end of the temporary vent 20 .

The temporary support 130 is installed at the lower end of the temporary vent 20 before adjusting the length of the first height adjustment unit 30 in order to install the moving frame 121 so that the temporary vent 20 falls to the lower side. can be installed to prevent

The temporary support 130 may have a height similar to the sum of the heights of the moving frame 121 and the roller unit 122 . In addition, the first height adjustment unit may be installed on the upper portion of the temporary support 130 , and may be installed at the lower end of the temporary vent 20 by adjusting the height.

For example, the temporary support 130 may be installed in the temporary vent 20 and the floor frame 50 at the lower end of the temporary vent 20 .

The height is adjusted so that the temporary support 130 and the temporary vent 20 can be in close contact with the temporary support 130 and the temporary vent 20 through the first height adjustment unit 20 between the temporary support 130 and the temporary vent 20 by inserting the temporary support 130 . can

Thereafter, by adjusting the height of the first height adjusting unit 30 coupled to the upper end of the roller unit 122, space can be formed by separating the first height adjusting unit 30 and the first moving frame 121a. have.

In this case, the roller unit 122 may be installed in the space formed between the first height adjustment unit 30 and the first moving frame 121a.

When the roller part 122 is installed, the limb support 130 may be removed by adjusting the length again, so that the movement of the column of the temporary vent 20 in which the roller part 122 is installed may be easily moved.

4 is a flowchart of a method for dismantling a temporary bridge according to an embodiment of the present invention, FIGS. 5 and 6 are views showing the movement of the temporary vent shown in FIG. 4, and FIG. 7 is the upper frame shown in FIG. It is a view showing the movement to, and FIG. 8 is a view showing the disassembly of the upper frame shown in FIG.

4 to 8 , lifting the upper frame installed during bridge construction with a lift device (S100), separating a temporary vent located under the upper frame from the ground (S200), installing a moving part under the temporary vent It may include a step (S300) and a step (S400) of moving along the temporary vent moving unit.

Lifting the upper frame with a lift device (S100) may include installing the lift device inside the bridge (S110), and connecting the cylinder shaft of the lift device and the upper frame through the bridge (S120). have.

The step of installing the lift device inside the bridge (S110) is a step of installing a lift device 110 that can vertically lift the upper frame 10 by pressure inside the bridge B after the bridge B is completed. can be

At this time, the lift device 110 may be installed inside the support frame 12 at the same time as being installed inside the bridge (B).

At this time, after the lift device 110 is installed inside the bridge (B), the step (S120) of connecting the cylinder shaft and the upper frame may be performed.

The step of connecting the cylinder shaft and the upper frame (S120) is to transmit the force of the lift device 110 installed inside the bridge (B) to the upper frame (10) to vertically lift the upper frame (10). B) The internal lift device 110 may be connected to the lift device 110 positioned inside the support frame 12 through the cylinder shaft 113 .

At this time, the cylinder shaft 113 is a U-shaped frame 11 installed between the lift device 110 installed inside the bridge B and the lift device 110 installed inside the support frame 12, a temporary material, etc. It can penetrate and connect.

Through this, even when the temporary vent 20 is dismantled after the bridge B is completed, it is possible to prevent the upper frame 10 from falling to the floor.

After the step (S120) of connecting the cylinder shaft and the upper frame is completed, the step (S200) of disassembling the inclined member installed on the upper frame may be performed.

The step of dismantling the inclined member installed on the upper frame ( S200 ) may be a step of disassembling the inclined member M installed on the support frame 12 of the upper frame 10 . The inclined member M installed on the support frame 12 may disassemble the inclined member M so that the temporary vent 20 can be easily separated for each row.

After the dismantling of the inclined material installed on the upper frame (S200) is completed, the step (S300) of separating the temporary vent from the ground surface may be performed.

The step of separating the temporary vent from the ground surface (S300) is to fix the upper frame 10 in close contact with the bridge (B) through the lift device 110 installed on the bridge (B), and then to the lower end of the temporary vent (20). A temporary support 130 to which the first height adjustment unit 30 is coupled may be installed on the upper portion.

After installing the temporary support 130 at the lower end, it is installed at the lower end of the temporary vent 20 and reduces the length of the first height adjustment unit 30 located at the upper end of the first moving frame 121a to provide a temporary vent ( 20) and a space may be formed between the first moving frame 121a.

At this time, even if the temporary vent 20 and the first moving frame 121a are spaced apart from each other to form a space because the length of the first height adjustment unit 30 is reduced, the temporary support 130 is installed, so that the temporary vent 20 is formed. to prevent it from falling to the floor.

In addition, the step (S300) of separating the temporary vent from the ground surface may be separated by the hydraulic jack 123 installed at the end of the second moving frame 121b installed under the temporary vent 20 made of columns.

At this time, by applying a force to the second moving frame (121b) through the hydraulic jack 123, which may be a hydraulic cylinder or a device for applying a force, it can be horizontally separated. Through this, it may be easy to separate the temporary vent 20 for each column.

After the step (S300) of separating the temporary vent from the ground surface is completed, the step (S400) of installing the moving part under the temporary vent may be performed.

The step of installing the moving part under the temporary vent (S400) is a step of installing a temporary support (S410). It may include the step of installing the roller unit (S420) and the step of connecting the pulling device (S430).

The step of installing the temporary support (S410) is installed at the lower end of the temporary vent 20 when the temporary vent 20 is installed, and the first moving frame supporting the temporary vent 20 and the floor frame 50 ( 121a) and the first height adjustment unit 30 may be installed to be spaced apart from each other.

At this time, the temporary support 130 may be similar to the height of the first moving frame 121a and the roller part 122 , and the first height adjustment part 30 may be installed in the upper part of the temporary support 130 . .

The temporary support 130 is inserted or drawn out through the first height adjustment unit 30 installed on the upper portion of the temporary support 130 , and it may be easy to install and disassemble at the lower end of the temporary vent 20 .

In addition, the temporary support 130 is installed, thereby reducing the height of the first height adjustment unit 30 installed on the upper surface of the first moving frame (121a), the first moving frame (121a) and the temporary vent (20) Even if spaced apart to form a space therebetween, the temporary vent 20 may be fixed to the floor surface by the temporary support 130 .

After the step of installing the temporary support (S410) is completed, the step of installing the roller unit (S420) may be performed.

In the step of installing the roller unit ( S420 ), the roller unit 122 may be installed on the upper surface of the first moving frame 121a after the first moving frame 121a is installed. In addition, the roller part 122 is installed, and the second moving frame 121b connecting the plurality of roller parts 122 is installed, so that the temporary vent 20 can be divided into columns.

That is, the roller unit 122 may be installed between the first moving frame 121a and the temporary vent 20 , and the second moving frame 121b may be simultaneously coupled to the upper side of the roller unit 122 . have.

For this reason, when the second moving frame 121b is dragged or pushed from the left or right side, the roller unit 122 rotates and the column separated into the second moving frame 121b along the first moving frame 121a is easily moved. can be separated by

After the step of installing the roller unit (S420) is completed, the step of dismantling the temporary support (S430) may be performed.

The step of dismantling the temporary support ( S430 ) may be dismantled by adjusting the height through the first height adjustment unit 30 that may be installed on the upper portion of the temporary support 130 .

In addition, in the step of dismantling the temporary support (S430), the first moving frame 121a and the second moving frame 121b are installed, so that even if the temporary support 130 is dismantled, the temporary vent 20 is moved to the moving frame 121. By the, it can be supported with the floor.

After completing the step of dismantling the temporary support (S430), the step of connecting the second moving frame and the pulling device (S440)

A step (S440) of connecting the second moving frame and the pulling device may be performed.

In the step of connecting the second moving frame and the pulling device (S440), the pulling device 125 is positioned at the end of the first moving frame to be connected to the second moving frame (121b).

Alternatively, the side end of the first height adjustment unit 30 installed at the lower end of the temporary vent 20 and the connecting member 124 may be connected.

After the step (S440) of connecting the second moving frame and the pulling device is completed, the height of the second height adjustment unit 40 installed at the upper end of the temporary vent 20 is reduced to reduce the temporary vent 20 and the upper frame part ( 10) can be separated.

At this time, even if the height of the second height adjustment unit 40 is reduced, the upper frame 10 may be fixed in close contact with the bridge B side due to the lift device 110 .

.

After the step (S440) of connecting the second moving frame and the pulling device, the step (S500) of moving along the moving part may be performed.

The step of moving along the moving part (S500) may include the step of disassembling the connection of the adjacent temporary vent (S510) and the step of pulling the temporary vent with a pulling device (S520).

The step of dismantling the connection of the temporary vent ( S510 ) may be a step of disassembling the connection of the temporary vents 20 adjacent to each other in the width direction. The temporary vent 20 may be a step of separating the adjacent temporary vents 20 from each other for each row in which the second moving frame 121b is installed in a state in which they are coupled between the adjacent temporary vents 20 .

After the step (S510) of disconnecting the connection of the temporary vent is completed, the step (S520) of pulling the temporary vent by the pulling device may be performed.

In the step of pulling the temporary vent with the pulling device (S520), the pulling device 125 is connected to the second moving frame, and applying a force to the second moving frame 121b installed in units of columns to the left or right of the second moving frame ( 121b) can be moved to the outside.

After the pulling step (S520) by the pulling device is completed, the step (S500) of separating and disassembling the temporary vent may be performed.

In the step of separating and dismantling the temporary vents (S600), the worker uses the temporary vents 20 separated for each row through the work platform 24 or the ladder 25, the vertical member 21, the horizontal member 22 and the inclined member 23 ), etc. may be separated and separated to the outside through the crane (C).

After the step (S600) of separating and disassembling the temporary vent is completed, the step (S700) of moving the upper frame to the ground surface with a lift device may be performed.

The step of moving the upper frame to the ground with a lift device (S700) is performing all dismantling of the temporary vent 20 installed in the width direction at the lower part of the bridge (B), and the upper frame (10) supporting the bridge (B) to adjust the pressure of the lift device 110 , the cylinder shaft 113 is extended, and the upper frame 10 can be moved to the ground surface. Through this, disassembly of the upper frame 10 may be easy.

Accordingly, the lift device 110 prevents the upper frame 10 from falling in the direction of gravity by generating an attractive force with the bridge B positioned on the temporary vent 20, and then installs the temporary support 130 . By adjusting the height of the first height adjustment unit 30 installed on the first moving frame 121a, even if a space is formed, the temporary vent 20 can be supported on the floor surface, and the first moving frame 121a ) by adjusting the height through the first height adjustment unit 30 installed on the upper portion of the temporary vent 20 and the floor frame 50 can be spaced apart to form a space.

At this time, by inserting the roller unit 122 in the formed space, the temporary vent 20 may move the upper surface of the first moving frame 121a along the longitudinal direction of the first moving frame 121a.

In addition, since the second moving frame 121b that is connected to the first height adjustment unit 30 and the roller unit 122 to separate the columns is installed, the temporary vent 20 may be separated in units of columns and dismantled. .

After the bridge (B) is completed, it is possible to shorten the manpower and construction period required for dismantling the temporary vent 20, thereby saving the cost of the construction site.

Although one embodiment of the present invention has been described above, the spirit of the present invention is not limited to the embodiments presented herein, and those skilled in the art who understand the spirit of the present invention can add components within the scope of the same spirit. , changes, deletions, additions, etc. may easily suggest other embodiments, but this will also fall within the scope of the present invention.

Claims (10)

In the temporary bridge dismantling system for dismantling the upper frame supporting the bridge and the temporary vent supporting the upper frame,
a lifting device located inside the bridge and connected to the upper frame through the bridge to lift the upper frame toward the bridge;
a height adjustment part including a first height adjustment part installed on the upper side of the temporary vent and a second height adjustment part installed on the lower side of the temporary vent to adjust the height of the temporary vent;
a floor frame on which the temporary vent is seated and installed in the width direction of the bridge;
a moving part positioned between the temporary vent and the floor frame and guiding the movement of the temporary vent; and
Temporary support installed at the lower end of the temporary vent in order to install the moving part
Temporary bridge dismantling system comprising a. According to claim 1,
The moving unit,
a first moving frame installed on the floor frame;
a second moving frame located on the side of the first height adjusting unit and connected to the first height adjusting unit and the moving unit at the same time to form a single row; and
Temporary bridge dismantling system including a roller part connected in a direction toward the first moving frame from the upper part of the first moving frame. 3. The method of claim 2
The roller unit,
a roller housing having side edges facing the bottom frame formed at both ends and positioning the first moving frame inside the side edges;
a roller body positioned inside the roller housing; and
Temporary bridge dismantling system including a plurality of rollers installed on the outer surface of the roller body and rotating to move the moving part. 3. The method of claim 2,
The moving unit,
Temporary bridge dismantling system including a pulling device located at an end of the first moving frame, connected to the second moving frame and pulling the second moving frame. According to claim 1,
The lift device is
an upper cylinder installed inside the bridge;
a lower cylinder connected to the support frame of the upper frame; and
Temporary bridge dismantling system including a cylinder shaft passing through the bridge and connecting the upper cylinder and the lower cylinder. lifting the upper frame installed during bridge construction with a lift device;
dismantling the inclined member installed on the upper frame;
Separating the temporary vent located under the upper frame from the ground;
installing a moving part under the temporary vent;
moving the temporary vent along the moving part; and
Temporary bridge dismantling method comprising the step of separating and dismantling the temporary vent. 7. The method of claim 6,
The lifting step is
installing a lift device inside the bridge; and
Temporary bridge dismantling method further comprising the step of penetrating the bridge and connecting the cylinder shaft of the lift device and the upper frame. 7. The method of claim 6,
The step of installing the moving part may include: installing a temporary support installed in the width direction of the bridge on the upper surface of the floor frame installed under the temporary vent;
Connecting to the lower end of the temporary vent, locating the first moving frame inside and installing a second moving frame with a roller part connected therein;
dismantling the temporary support; and
Temporary bridge dismantling method comprising the step of locating the end of the first moving frame and connecting the second moving frame and a pulling device. 8. The method of claim 7,
The moving step is
dismantling the connection of adjacent temporary vents interconnected in the width direction of the bridge; and
A temporary bridge dismantling method comprising the step of pulling a temporary vent whose interconnection has been dismantled with a pulling device. 7. The method of claim 6,
Temporary bridge dismantling method further comprising the step of moving the upper frame to the ground surface with the lift device.

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