Installation and construction system and method for steel box girder of steel structure bridge

Abstract

The present invention relates to the field of building construction technology, and specifically to an installation and construction system and method for a steel box girder of a steel structure bridge. When in use, a loading plate is rotated to a position close to the ground to facilitate the placement of a bottom plate of the steel box girder. After the bottom plate is in position, a top plate is also moved to the base, and then a jack is started to lift the top plate to separate it from the bottom plate. Then, the side plates are also moved to the base through the loading plate, and then rotated through a rotating line for transportation and movement. The support plate keeps the side plates stable during the movement, and then the side plates are preliminarily fixed through a suction cup group, and then the lifter and angle adjuster are started to adjust the angle of the side plates. Then, the side plates are driven to move through a second cylinder to contact the bottom plate, which is convenient for welding or connecting bolts. After the two side plates are installed, the top plate and the two side plates are connected, thereby improving work efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of building construction, and in particular to an installation and construction system and method for a steel box girder of a steel structure bridge. Background Art

[0002] A steel box girder is a type of steel bridge structure. It is a rectangular box made of welded steel plates, filled with concrete or other lightweight materials. Steel box girders are widely used in modern bridge construction due to their light weight, high strength, high rigidity, and good seismic resistance.

[0003] Currently, during the construction process, lifting equipment is generally used to lift the steel plates, and then the steel plates are positioned and welded manually, which has low work efficiency and high work intensity. Summary of the Invention

[0004] The object of the present invention is to provide a system and method for installing and constructing steel box girders of steel structure bridges, so as to facilitate the positioning and installation of steel plates and improve work efficiency.

[0005] To achieve the above-mentioned purpose, in the first aspect, the present invention provides an installation and construction system for a steel box girder of a steel structure bridge, comprising a support assembly, a moving assembly and a positioning assembly, wherein the support assembly comprises a base, a support frame, a loading plate, a rotating line, a support plate and a jack, the support frame is fixedly connected to the base and is located on the top of the base, the loading plate is rotatably connected to the base and is located on one side of the base, the two rotating lines are rotatably connected to the base and are located on both sides of the base, the two support plates are respectively arranged on one side of the two rotating lines, the jack is arranged on the base, the moving assembly comprises a sliding A movable plate, a cylinder, a spring and a moving wheel, the sliding plate is slidably connected to the base and is located at the bottom of the base, the output end of the cylinder is fixedly connected to the sliding plate, the spring is arranged between the sliding plate and the cylinder, the moving wheel is arranged on the sliding plate, the positioning assembly includes a suction cup group, a second cylinder, a mounting plate, a lifter and an angle adjuster, the lifter is slidably arranged on the support frame, the second cylinder is fixed on the lifter, the mounting plate is rotatably arranged on the output end of the second cylinder, the suction cup group is arranged on the mounting plate, and the angle adjuster is arranged on one side of the mounting plate.

[0006] Wherein, the support assembly further includes a stabilizing pad, which is fixedly connected to the base and located at the bottom of the base.

[0007] Wherein, the loading plate includes a plate body and a limiting plate, the plate body is rotatably connected to the base, and the limiting plate is arranged on one side of the plate body.

[0008] Wherein, the loading plate further includes a rotating roller, which is rotatably connected to the material plate body and is located on the material plate body.

[0009] Wherein, the jacking device includes a jacking cylinder, a jacking turntable and a rotating motor, the jacking cylinder is fixed on the base, the rotating motor is arranged on the output end of the jacking cylinder, and the jacking turntable is connected to the output end of the rotating motor.

[0010] Wherein, the positioning assembly further includes a stabilizing rod, which is rotatably connected to the mounting plate and slidably connected to the support frame.

[0011] Among them, the lifter includes a lifting screw, a lifting motor and a lifting plate. The lifting screw is rotatably connected to the base and is located on one side of the base. The output end of the lifting motor is fixedly connected to the lifting screw. The lifting plate is threadedly connected to the lifting screw and is slidably connected to the support frame.

[0012] In a second aspect, the present invention further provides a method for installing and constructing a steel box girder of a steel structure bridge, comprising: designing the length and width of each section of the steel box girder, processing the steel box girder in sections, and transporting the steel box girder to an installation area;

[0013] The bottom plate of the steel box beam is placed on the base for positioning, the top plate of the steel box beam is placed on the base and transported to above the bottom plate, and the jacking device is started to lift the top plate;

[0014] Move the side plate of the steel box girder along the rotation line, supported by the support plate, to one side of the suction cup group;

[0015] The side panels are sucked by the suction cup group, and then the angle of the side panels is adjusted by the angle adjuster, and the side panels are moved to the bottom plate for installation by the second cylinder;

[0016] After the side panels are installed, the top panel is lowered for installation, thus completing the assembly of the steel box girder.

[0017] The present invention relates to an installation and construction system and method for a steel box girder of a steel structure bridge, wherein the support frame is supported by the base, and the loading plate is rotatably installed on the base so that the loading plate can be lifted up to be away from the ground during movement. When placing the installation components of the steel box girder, the loading plate can be rotated to a position close to the ground to facilitate the placement of the bottom plate of the steel box girder. After the bottom plate is in position, the top plate can also be moved to the base, and then the jacking device is started to lift the top plate to separate it from the bottom plate. Then the side plate can also be moved to the base through the loading plate, and then rotated by the rotating line for transportation and movement. The support plate Keep the side panels stable during the movement, and then position and install the side panels through the positioning assembly. Specifically, the side panels are initially fixed through the suction cup group, and then the lifter and the angle adjuster are started to adjust the angle of the side panels. Then, the side panels are driven to move and contact the bottom panel through the second cylinder to facilitate welding or connecting bolts. After the two side panels are installed, the top panel and the two side panels can be connected, thereby improving the connection efficiency. After use, the cylinder can be started to drive the sliding plate and the moving wheel to slide out of the base to facilitate the movement of the entire device, making the assembly of the steel box girder more labor-saving and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 It is a structural diagram of an installation and construction system for a steel box girder of a steel structure bridge according to a first embodiment of the present invention.

[0020] Figure 2 It is a right side structural diagram of an installation and construction system for a steel box girder of a steel structure bridge according to the first embodiment of the present invention.

[0021] Figure 3 It is a cross-sectional structural diagram of an installation and construction system for a steel box girder of a steel structure bridge according to a second embodiment of the present invention.

[0022] Figure 4 It is a structural diagram of an installation and construction system for a steel box girder of a steel structure bridge according to a second embodiment of the present invention.

[0023] Figure 5 It is a bottom structural diagram of a steel box girder installation and construction system for a steel structure bridge according to a second embodiment of the present invention.

[0024] Figure 6 It is a right side structural diagram of an installation and construction system for a steel box girder of a steel structure bridge according to a second embodiment of the present invention.

[0025] Figure 7 yes Figure 6 A partial enlargement of detail A.

[0026] Figure 8 It is a flow chart of a method for installing and constructing a steel box girder of a steel structure bridge according to the third embodiment of the present invention.

[0027] Support assembly 101, moving assembly 102, positioning assembly 103, base 104, support frame 105, loading plate 106, rotating line 107, support plate 108, lifter 109, sliding plate 110, cylinder 111, spring 112, moving wheel 113, suction cup group 114, second cylinder 115, mounting plate 116, lifter 117, angle adjuster 118, stabilizing pad 201, material plate body 202, limit plate 203, rotating roller 204, lifting cylinder 205, lifting turntable 206, rotating motor 207, stabilizing bar 208, third cylinder 212, sliding block 213, connecting rod 214. DETAILED DESCRIPTION

[0028] The following describes embodiments of the present invention in detail, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and are not to be construed as limiting the present invention.

[0029] In the description of the present invention, it should be understood that the terms "length," "width," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inside," "outside," and the like, indicating positions or location relationships, are based on the positions or location relationships shown in the accompanying drawings and are intended only to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limiting the present invention. Furthermore, in the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

[0030] First embodiment

[0031] See also Figure 1~Figure 2 Figure 1 It is a structural diagram of an installation and construction system for a steel box girder of a steel structure bridge according to a first embodiment of the present invention. Figure 2 It is a right side structural diagram of an installation and construction system for a steel box girder of a steel structure bridge according to the first embodiment of the present invention.

[0032] The present invention provides an installation and construction system for a steel box girder of a steel structure bridge, comprising a support assembly 101, a moving assembly 102 and a positioning assembly 103, wherein the support assembly 101 comprises a base 104, a support frame 105, a loading plate 106, a rotating line 107, a support plate 108 and a jacking device 109, wherein the support frame 105 is fixedly connected to the base 104 and is located at the top of the base 104, the loading plate 106 is rotatably connected to the base 104 and is located on one side of the base 104, the two rotating lines 107 are rotatably connected to the base 104 and are located on both sides of the base 104, the two support plates 108 are respectively arranged on one side of the two rotating lines 107, the jacking device 109 is arranged on the base 104, and the moving assembly 102 comprises a sliding plate 110, a cylinder 111, a spring 112, and a spring 113. 2 and a moving wheel 113, the sliding plate 110 is slidably connected to the base 104 and is located at the bottom of the base 104, the output end of the cylinder 111 is fixedly connected to the sliding plate 110, the spring 112 is arranged between the sliding plate 110 and the cylinder 111, the moving wheel 113 is arranged on the sliding plate 110, the positioning assembly 103 includes a suction cup group 114, a second cylinder 115, a mounting plate 116, a lifter 117 and an angle adjuster 118, the lifter 117 is slidably arranged on the support frame 105, the second cylinder 115 is fixed on the lifter 117, the mounting plate 116 is rotatably arranged on the output end of the second cylinder 115, the suction cup group 114 is arranged on the mounting plate 116, and the angle adjuster 118 is arranged on one side of the mounting plate 116.

[0033] In this embodiment, the support frame 105 is supported by the base 104, and the loading plate 106 is rotatably mounted on the base 104, so that the loading plate 106 can be lifted up to keep away from the ground when moving. When placing the mounting components of the steel box girder, the loading plate 106 can be rotated to a position close to the ground to facilitate the placement of the bottom plate of the steel box girder. After the bottom plate is in position, the top plate can also be moved to the base 104, and then the jacking device 109 is started to lift the top plate to separate it from the bottom plate. Then the side plate can also be moved to the base 104 through the loading plate 106, and then rotated by the rotating line 107 for transportation and movement, and the support plate 108 keeps the side plate in Stability during the movement, and then the side panels are positioned and installed through the positioning assembly 103. The specific method is to preliminarily fix the side panels through the suction cup group 114, and then start the lifter 117 and the angle adjuster 118 to adjust the angle of the side panels. Then, the second cylinder 115 is used to drive the side panels to move to contact the bottom panel, which is convenient for welding or connecting bolts. After the two side panels are installed, the top panel and the two side panels can be connected, thereby improving the connection efficiency. After use, the cylinder 111 can be started to drive the sliding plate 110 and the moving wheel 113 to slide out of the base 104 to facilitate the movement of the entire device, making the assembly of the steel box girder more labor-saving and improving work efficiency.

[0034] Second embodiment

[0035] See also Figures 3 to 7 , Figure 3 It is a cross-sectional structural diagram of an installation and construction system for a steel box girder of a steel structure bridge according to a second embodiment of the present invention. Figure 4 It is a structural diagram of an installation and construction system for a steel box girder of a steel structure bridge according to a second embodiment of the present invention. Figure 5 It is a bottom structural diagram of a steel box girder installation and construction system for a steel structure bridge according to a second embodiment of the present invention. Figure 6 It is a right side structural diagram of an installation and construction system for a steel box girder of a steel structure bridge according to a second embodiment of the present invention. Figure 7 yes Figure 6 A partial enlargement of detail A.

[0036] Based on the first embodiment, the present invention further provides a system for installing and constructing a steel box girder of a steel structure bridge, wherein the support assembly 101 further includes a stabilizing pad 201, which is fixedly connected to the base 104 and located at the bottom of the base 104. The stabilizing pad 201 can increase the friction between the base 104 and the ground, making it more stable when placed and used.

[0037] The loading plate 106 includes a plate body 202 and a limiting plate 203. The plate body 202 is rotatably connected to the base 104, and the limiting plate 203 is provided on one side of the plate body 202. When the plate body 202 is moved to a position away from the ground, the limiting plate 203 can maintain the stability of the plate body.

[0038] The loading plate 106 further includes a rotating roller 204, which is rotatably connected to the plate body 202 and is located on the plate body 202. The rotating roller 204 can reduce the friction force when the steel box beam material moves onto the plate body 202, making the movement smoother.

[0039] The jacking device 109 includes a jacking cylinder 205, a jacking rotating plate 206, and a rotating motor 207. The jacking cylinder 205 is fixed to the base 104, the rotating motor 207 is arranged at the output end of the jacking cylinder 205, and the jacking rotating plate 206 is connected to the output end of the rotating motor 207. After the top plate of the steel box girder is moved to the bottom plate, the rotating motor 207 can be started to move the jacking rotating plate below the top plate, and then the jacking cylinder 205 can be started to lift the top plate. After the welding installation is completed, the jacking rotating plate 206 returns to its original position for the next installation.

[0040] The positioning assembly 103 further includes a stabilizing rod 208, which is rotatably connected to the mounting plate 116 and slidably connected to the support frame 105. The stabilizing rod 208 can prevent the mounting plate 116 from deflecting when the angle is adjusted, making it more stable in use.

[0041] The lifter 117 includes a lifting screw, a lifting motor, and a lifting plate. The lifting screw is rotatably connected to the base 104 and is located on one side of the base 104. The output end of the lifting motor is fixedly connected to the lifting screw. The lifting plate is threadedly connected to the lifting screw and slidably connected to the support frame 105. Activating the lifting motor rotates the lifting screw, thereby driving the lifting plate to slide up and down to adjust the position of the side panel.

[0042] The angle adjuster 118 includes a third cylinder 212, a sliding block 213, and a connecting rod 214. The third cylinder 212 is fixed to the lifting plate, the sliding block 213 is fixedly connected to the output end of the third cylinder 212, and the connecting rod 214 is rotatably connected to the sliding block 213 and the mounting plate 116. Activating the third cylinder 212 can cause the sliding block 213 to slide, thereby allowing the mounting plate 116 to be pushed or pulled by the connecting rod 214 to adjust the angle.

[0043] Third embodiment

[0044] See also Figure 8 , Figure 8 This is a flow chart of a method for installing and constructing a steel box girder of a steel structure bridge according to a third embodiment of the present invention. Based on the first embodiment, the present invention further provides a method for installing and constructing a steel box girder of a steel structure bridge, comprising:

[0045] S101 Each section of steel box girder is designed in length and width, and the steel box girder is processed in blocks and transported to the installation area;

[0046] S102: placing the bottom plate of the steel box girder on the base 104 for positioning, placing the top plate of the steel box girder on the base 104 and transporting it above the bottom plate, and starting the jacking device 109 to lift the top plate;

[0047] S103: The side plate of the steel box beam is moved along the rotation line 107 and supported by the support plate 108 to one side of the suction cup group 114;

[0048] S104: The side panel is sucked by the suction cup assembly 114, and then the angle of the side panel is adjusted by the angle adjuster 118, and the side panel is moved to the bottom plate for installation by the second cylinder 115;

[0049] After the S105 side panels are installed, the top panel is lowered for installation, thus completing the assembly of the steel box girder.

[0050] The support frame 105 is supported by the base 104, and the loading plate 106 is rotatably mounted on the base 104, so that the loading plate 106 can be lifted up to keep away from the ground when moving. When placing the mounting components of the steel box girder, the loading plate 106 can be rotated to a position close to the ground to facilitate placing the bottom plate of the steel box girder. After the bottom plate is in position, the top plate can also be moved to the base 104, and then the jacking device 109 is started to lift the top plate to separate it from the bottom plate. Then the side plate can also be moved to the base 104 through the loading plate 106, and then rotated by the rotating line 107 for transportation and movement. The support plate 108 keeps the side plate in the moving process. The side panels are stabilized in the middle, and then the side panels are positioned and installed through the positioning assembly 103. The specific method is to preliminarily fix the side panels through the suction cup group 114, and then start the lifter 117 and the angle adjuster 118 to adjust the angle of the side panels. Then, the side panels are driven to move and contact with the bottom panel through the second cylinder 115 to facilitate welding or connecting bolts. After the two side panels are installed, the top panel and the two side panels can be connected, thereby improving the connection efficiency. After use, the cylinder 111 can be started to drive the sliding plate 110 and the moving wheel 113 to slide out of the base 104 to facilitate the movement of the entire device, making the assembly of the steel box girder more labor-saving and improving work efficiency.

[0051] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of the rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made in accordance with the claims of the present invention are still within the scope of the invention.

Claims

1. A system for installing and constructing a steel box girder of a steel structure bridge, characterized in that:

7. The swiftly and minutely adjusting device for a wood-planer working table as claimed in claim 1, wherein said linking rod and said adjusting base are pivotally connected to each other with a bolt, and said bolt has a round shank to contact with said linking rod. said linking rod is pivotally connected to said linking rod and said adjusting base is pivotally connected to said linking rod. said bolt has a round shank to contact with said linking rod.

2. The installation and construction system for a steel box girder of a steel structure bridge according to claim 1, characterized in that: The support assembly further includes a stabilizing pad, which is fixedly connected to the base and located at the bottom of the base.

3. The installation and construction system for a steel box girder of a steel structure bridge according to claim 2, characterized in that: The loading plate includes a plate body and a limiting plate. The plate body is rotatably connected to the base, and the limiting plate is arranged on one side of the plate body.

4. The installation and construction system for a steel box girder of a steel structure bridge according to claim 3, characterized in that: The loading plate further includes a rotating roller, which is rotatably connected to the material plate body and is located on the material plate body.

5. The installation and construction system for a steel box girder of a steel structure bridge according to claim 4, characterized in that: The jacking device includes a jacking cylinder, a jacking rotating plate and a rotating motor. The jacking cylinder is fixed on the base. The rotating motor is arranged on the output end of the jacking cylinder. The jacking rotating plate is connected to the output end of the rotating motor.

6. The installation and construction system for a steel box girder of a steel structure bridge according to claim 5, characterized in that: The positioning assembly further comprises a stabilizing rod, which is rotatably connected to the mounting plate and slidably connected to the support frame.

7. The installation and construction system for a steel box girder of a steel structure bridge according to claim 6, characterized in that: The lifter includes a lifting screw, a lifting motor and a lifting plate. The lifting screw is rotatably connected to the base and is located on one side of the base. The output end of the lifting motor is fixedly connected to the lifting screw. The lifting plate is threadedly connected to the lifting screw and is slidably connected to the support frame.

8. A method for installing and constructing a steel box girder of a steel structure bridge, comprising: using the system for installing and constructing a steel box girder of a steel structure bridge according to any one of claims 1 to 7. It is characterized by: Including: design of length and width of each section of steel box girder, block processing of steel box girder, and transportation to the installation area; The bottom plate of the steel box beam is placed on the base for positioning, the top plate of the steel box beam is placed on the base and transported to above the bottom plate, and the jacking device is started to lift the top plate; Move the side plate of the steel box girder along the rotation line, supported by the support plate, to one side of the suction cup group; The side panels are sucked by the suction cup group, and then the angle of the side panels is adjusted by the angle adjuster, and the side panels are moved to the bottom plate for installation by the second cylinder; After the side panels are installed, the top panel is lowered for installation, thus completing the assembly of the steel box girder.

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