A cast-in-place box beam formwork support structure

Abstract

The present application relates to the technical field of box beam formwork support devices, and in particular to a cast-in-place box beam formwork support structure, which includes a mounting plate component for supporting the formwork, an adjustable rod component detachably connected to the mounting plate component, and a support rod assembly for installing the adjustable rod component; the mounting plate component includes a side mounting plate, a section plate abutting against the side mounting plate, and an inner top plate assembly with one end inserted on the section plate, the inner top plate assembly includes an inner support plate and a plug-in plate detachably connected to the inner support plate; the adjustable rod component includes a side adjustment rod assembly detachably connected to the side mounting plate at one end, a section adjustment rod assembly detachably connected to the section plate at one end, and an inner adjustment rod assembly detachably connected to the inner support plate at one end. The present application has the effect of facilitating reinstallation and reducing labor and construction time.

Description

Technical Field

[0001] The present application relates to the technical field of box girder formwork support devices, and in particular to a cast-in-place box girder formwork support structure. Background Art

[0002] The box girder bridge is a box-section beam bridge with a thin-walled closed-section main beam, which makes the bridge light and strong. It can form a wide road surface and reduce the width of bridge piers and the number of masonry. It is widely used in urban viaducts. The deck structure of the box girder bridge includes a cast-in-place concrete box girder. When making the cast-in-place concrete box girder, the box girder formwork needs to be supported and fixed by a formwork support device.

[0003] The formwork support device is supported by a scaffolding, which requires the use of a large number of support pipes. After the casting of a section of box girder is completed, the scaffolding that completes the casting of the box girder needs to be dismantled and then installed in the next construction section where the box girder needs to be cast. The process of installing and dismantling the scaffolding requires a lot of manpower.

[0004] During the research and development improvements, the R&D personnel found that in the same bridge under construction, transferring the formwork support device of the cast box girder to the position of the uncast box girder requires a lot of manpower and construction time. Summary of the invention

[0005] In order to improve the defect that transferring the formwork support device of the cast box girder to the position of the uncast box girder in the same construction bridge requires a lot of manpower and construction time, the present application provides a cast-in-place box girder formwork support structure.

[0006] The present application provides a cast-in-place box beam formwork support structure adopts the following technical solution:

[0007] A cast-in-place box beam formwork support structure, comprising a mounting plate component for supporting the formwork, an adjustable rod component detachably connected to the mounting plate component, and a support rod assembly for mounting the adjustable rod component;

[0008] The mounting plate component includes a side mounting plate, a cross-section plate abutting against the side mounting plate, and an inner top plate assembly with one end inserted on the cross-section plate, wherein the inner top plate assembly includes an inner support plate and a plug-in plate detachably connected to the inner support plate;

[0009] The adjustable rod component includes a side adjustment rod assembly with one end detachably connected to the side mounting plate, a section adjustment rod assembly with one end detachably connected to the section plate, and an inner adjustment rod assembly with one end detachably connected to the inner support plate.

[0010] By adopting the above technical scheme, the adjustable rod component is installed on the support rod assembly, the side adjustment rod assembly is detachably connected to the side mounting plate, the cross-section adjustment rod assembly is detachably connected to the cross-section plate, and the inner adjustment rod assembly is detachably connected to the inner support plate. The side adjustment rod assembly, the cross-section adjustment rod assembly and the inner adjustment rod assembly are adjusted to separate the adjustable rod component from the mounting plate component, and there is no need to disassemble and separate the adjustable rod component from the support rod assembly. When installing again, adjusting the side adjustment rod assembly, the cross-section adjustment rod assembly and the inner adjustment rod assembly can conveniently and quickly detachably connect the adjustable rod component to the mounting plate component, thereby improving the defect that in the same construction bridge, transferring the formwork support device of the cast box girder to the position of the uncast box girder requires a lot of manpower and construction time.

[0011] Optionally, the support rod assembly includes a bottom support rod for supporting the template, a first horizontal support rod detachably connected to the bottom support rod, a first vertical support rod detachably connected to the horizontal support rod, a second horizontal support rod detachably connected to the side mounting plate and the inner support plate, and a second vertical support rod detachably connected to the inner support plate;

[0012] The side adjustment rod assembly is arranged on the first transverse support rod and the first vertical support rod, the cross-section adjustment rod assembly is arranged on the second transverse support rod, and the inner adjustment rod assembly is arranged on the second vertical support rod.

[0013] By adopting the above technical solution, the first horizontal support rod can be easily installed on the bottom support rod, the first vertical support rod can be installed on the first horizontal support rod, the second horizontal support rod can be installed on the side mounting plate and the inner support plate, and the second vertical support rod can be installed on the inner support plate, so as to conveniently and quickly install the side adjustment rod assembly, the cross-section adjustment rod assembly and the inner adjustment rod assembly.

[0014] Optionally, the side adjustment rod assembly includes a first transverse tube fixedly connected to the first vertical support rod, a first threaded rod movably inserted in the first transverse tube, a first threaded tube threadedly connected to the first threaded rod, a first fixing plate hinged on one end of the first threaded rod, a plurality of first rotating tubes hinged on the first transverse support rod, a second threaded rod movably inserted in the first rotating tube, a second threaded tube threadedly connected to the second threaded rod, and a second fixing plate hinged on one end of the second threaded rod;

[0015] The side mounting plate is provided with a first insertion groove matched with the first insertion plate, and the mounting plate is provided with a second insertion groove matched with the second insertion plate.

[0016] By adopting the above technical solution, rotating the first threaded cylinder clockwise can adjust the length of the first threaded rod inserted in the first horizontal cylinder, so that the first fixing plate is inserted in the first fixing groove, rotating the first threaded cylinder counterclockwise can easily pull the first fixing plate out of the first fixing groove, rotating the second threaded cylinder clockwise can adjust the length of the second threaded rod inserted in the first rotating cylinder, so that the second fixing plate is inserted in the second fixing groove, rotating the second threaded cylinder counterclockwise can easily pull the second fixing plate out of the second fixing groove, thereby conveniently disassembling or installing the side adjustment rod assembly on the side mounting plate.

[0017] Optionally, the support rod assembly further includes a first connecting rod detachably connected to the first rotating cylinder, and one end of the first connecting rod is detachably connected to the first vertical support rod.

[0018] By adopting the above technical solution, the first connecting rod is detachably connected to the first rotating cylinder and the first vertical support rod respectively, so that the first rotating cylinder is stably connected to the first vertical support rod, and the first rotating cylinder and the first vertical support rod can be easily disassembled together.

[0019] Optionally, the cross-section adjustment rod assembly includes a second transverse tube fixedly connected to the second transverse support rod, a third threaded rod movably inserted in the second transverse tube, a third threaded tube threadedly connected to the third threaded rod, and a third plugging plate hinged on one end of the third threaded rod;

[0020] The section plate is provided with a third insertion groove adapted to the third insertion plate.

[0021] By adopting the above technical solution, rotating the third threaded cylinder clockwise can adjust the length of the third threaded rod inserted in the second transverse cylinder, so that the third fixing plate is inserted in the third fixing groove, and rotating the third threaded cylinder counterclockwise can easily pull the third fixing plate out of the third fixing groove, thereby conveniently disassembling or installing the section adjustment rod assembly on the section plate.

[0022] Optionally, the inner adjustment rod assembly includes a vertical cylinder fixedly connected to the second vertical support rod, a fourth threaded rod movably inserted in the vertical cylinder, a fourth threaded cylinder threadedly connected to the fourth threaded rod, a fourth fixing plate hinged on one end of the fourth threaded rod, a plurality of second rotating cylinders hinged on the second vertical support rod, a fifth threaded rod movably inserted in the second rotating cylinder, a fifth threaded cylinder threadedly connected to the fifth threaded rod, and a fifth fixing plate hinged on one end of the fifth threaded rod;

[0023] A fourth inserting groove matched with the fourth inserting plate is arranged on the inner supporting plate, and a fifth inserting groove matched with the fifth inserting plate is arranged on the inner supporting plate.

[0024] By adopting the above technical scheme, rotating the fourth threaded cylinder clockwise can adjust the length of the fourth threaded rod inserted in the vertical cylinder, so that the fourth plugging plate is inserted in the fourth plugging groove, rotating the fourth threaded cylinder counterclockwise can easily pull the fourth plugging plate out of the fourth plugging groove, rotating the fifth threaded cylinder clockwise can adjust the length of the fifth threaded rod inserted in the second rotating cylinder, so that the fifth plugging plate is inserted in the fifth plugging groove, rotating the fifth threaded cylinder counterclockwise can easily pull the fifth plugging plate out of the fifth plugging groove, thereby conveniently disassembling or installing the inner adjusting rod assembly on the inner support plate.

[0025] Optionally, the support rod assembly further includes a second connecting rod detachably connected to an adjacent second vertical support rod.

[0026] By adopting the above technical solution, the second connecting rod enables the adjacent second vertical support rods to be stably connected together, so that the inner adjustment rod assembly and the second vertical support rods can be conveniently disassembled together.

[0027] Optionally, a plug connector is provided at the end of the second vertical support rod, a plug slot adapted to the plug connector is provided on the inner support plate, and a third fixing pin is provided on the plug connector and the plug slot.

[0028] By adopting the above technical solution, the plug connector is inserted into the plug slot, and the third fixing pin is inserted into the plug connector and the plug slot, so that the second vertical support rod can be quickly installed on the inner support plate, and the third fixing pin can be pulled out to quickly remove the second vertical support rod from the inner support plate.

[0029] Optionally, a first insertion end is provided at the end of the bottom support rod, a first plugging end adapted to the first insertion end is provided at the end of the first cross support rod, and a first fixing pin is provided on the first insertion end and the first plugging end;

[0030] A second insertion end is arranged at the end of the first horizontal support rod, a second plugging end matched with the second insertion end is arranged at the end of the first vertical support rod, and a second fixing pin is arranged on the second insertion end and the second plugging end.

[0031] By adopting the above technical solution, the first insertion end is inserted into the first plug-in end, the first fixing pin is inserted into the first insertion end and the first plug-in end, the first horizontal support rod is conveniently and detachably connected to the bottom support rod, the second insertion end is inserted into the second plug-in end, the second fixing pin is inserted into the second insertion end and the second plug-in end, and the first vertical support rod is conveniently and detachably connected to the first horizontal support rod.

[0032] Optionally, a strip-shaped slot is provided on the inner support plate, and an inserting strip adapted to the strip-shaped slot is provided on the plug-in board.

[0033] By adopting the above technical solution, the inserting strip is inserted into the strip-shaped slot, so that the plug-in board can be conveniently and detachably connected to the inner supporting board.

[0034] In summary, the present application includes at least one of the following beneficial technical effects:

[0035] By setting a mounting plate component, a side mounting plate, a section plate, an inner top plate assembly, an inner support plate, a plug-in plate, an adjustable rod component, a side adjusting rod assembly, a section adjusting rod assembly, an inner adjusting rod assembly and a support rod assembly, the adjustable rod component is installed on the support rod assembly, the side adjusting rod assembly is detachably connected to the side mounting plate, the section adjusting rod assembly is detachably connected to the section plate, and the inner adjusting rod assembly is detachably connected to the inner support plate. The side adjusting rod assembly, the section adjusting rod assembly and the inner adjusting rod assembly are adjusted to separate the adjustable rod component from the mounting plate component, and there is no need to disassemble and separate the adjustable rod component from the support rod assembly. When reinstalling, the side adjusting rod assembly, the section adjusting rod assembly and the inner adjusting rod assembly are adjusted to conveniently and quickly detachably connect the adjustable rod component to the mounting plate component, thereby improving the defect that in the same construction bridge, transferring the formwork support device of the cast box girder to the position of the uncast box girder requires more labor and construction time.

[0036] By providing the first fixing groove, the second fixing groove, the first fixing plate, the first threaded rod, the first threaded cylinder, the first transverse cylinder, the second fixing plate, the second threaded rod, the second threaded cylinder and the first rotating cylinder, the first threaded cylinder is rotated clockwise to adjust the length of the first threaded rod inserted in the first transverse cylinder, so that the first fixing plate is inserted in the first fixing groove, and the first threaded cylinder is rotated counterclockwise to conveniently pull the first fixing plate out of the first fixing groove, and the second threaded cylinder is rotated clockwise to adjust the length of the second threaded rod inserted in the first rotating cylinder, so that the second fixing plate is inserted in the second fixing groove, and the second threaded cylinder is rotated counterclockwise to conveniently pull the second fixing plate out of the second fixing groove, so that the side adjustment rod assembly can be conveniently disassembled or installed on the side mounting plate;

[0037] By providing the fourth fixing groove, the fifth fixing groove, the fourth fixing plate, the fourth threaded rod, the fourth threaded cylinder, the vertical cylinder, the fifth fixing plate, the fifth threaded rod, the fifth threaded cylinder and the second rotating cylinder, rotating the fourth threaded cylinder clockwise can adjust the length of the fourth threaded rod inserted in the vertical cylinder, so that the fourth fixing plate is inserted in the fourth fixing groove, rotating the fourth threaded cylinder counterclockwise can easily pull the fourth fixing plate out of the fourth fixing groove, rotating the fifth threaded cylinder clockwise can adjust the length of the fifth threaded rod inserted in the second rotating cylinder, so that the fifth fixing plate is inserted in the fifth fixing groove, rotating the fifth threaded cylinder counterclockwise can easily pull the fifth fixing plate out of the fifth fixing groove, thereby conveniently disassembling or installing the inner adjusting rod assembly on the inner support plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 It is a structural schematic diagram of the cast-in-place box girder formwork support structure in this embodiment.

[0039] Figure 2 yes Figure 1 Enlarged schematic diagram of part A.

[0040] Figure 3 yes Figure 1 Schematic diagram of the enlarged portion B.

[0041] Figure 4 yes Figure 1 Enlarged schematic diagram of part C.

[0042] Figure 5 It is a structural schematic diagram of the cast-in-place box girder formwork support structure from another perspective in this embodiment.

[0043] Figure 6 yes Figure 5 Enlarged schematic diagram of part D in the figure.

[0044] Figure 7 yes Figure 5 Enlarged schematic diagram of part E in the middle.

[0045] 1. Mounting plate component; 11. Side mounting plate; 111. First plug-in slot; 112. Second plug-in slot; 12. Section plate; 121. Third plug-in slot; 13. Inner top plate assembly; 131. Inner support plate; 1311. Strip slot; 1312. Fourth plug-in slot; 1313. Fifth plug-in slot; 1314. Insertion slot; 132. Insertion plate; 1321. Insertion strip; 2. Adjustable rod component; 21. Side adjustment rod assembly; 211. First plug-in plate; 212. First threaded rod; 213. First threaded cylinder; 214. First transverse cylinder; 215. Second plug-in plate; 216. Second threaded rod; 217. Second threaded cylinder; 218. First rotating cylinder; 22. Section adjustment rod assembly; 221. Third plug-in plate; 222. Third threaded rod; 223. Third Threaded cylinder; 224, second horizontal cylinder; 23, inner adjustment rod assembly; 231, fourth plug-in plate; 232, fourth threaded rod; 233, fourth threaded cylinder; 234, vertical cylinder; 235, fifth plug-in plate; 236, fifth threaded rod; 237, fifth threaded cylinder; 238, second rotating cylinder; 24, hinge shaft; 25, fastening nut; 26, rotating cylinder; 3, support rod assembly; 31, bottom support rod; 311, first insertion end; 312, first fixing pin; 32, first horizontal support rod; 321, first plug-in end; 322, second insertion end; 323, second fixing pin; 33, first vertical support rod; 331, second plug-in end; 34, second horizontal support rod; 35, second vertical support rod; 351, plug connector; 352, third fixing pin; 36, first connecting rod; 37, second connecting rod. DETAILED DESCRIPTION

[0046] The following is combined with Figure 1-7 This application is described in further detail.

[0047] The present application embodiment discloses a cast-in-place box beam formwork support structure. Figure 1 A cast-in-place box beam formwork support structure includes a mounting plate component 1 for supporting the formwork, an adjustable rod component 2 detachably connected to the mounting plate component 1, and a support rod assembly 3 for mounting the adjustable rod component 2.

[0048] Reference Figure 1 The mounting plate component 1 includes two side mounting plates 11 of identical structure and symmetrically arranged, a section plate 12 abutting against the side mounting plates 11, and an inner top plate assembly 13 inserted on the section plate 12. The inner plate surface of the side mounting plate 11 abuts against and provides support for the template for manufacturing the side surface of the box beam. The plate surface shape of the section plate 12 is similar to the cross-sectional shape of the box beam. A hollow opening for inserting the inner top plate assembly 13 is opened on the plate surface of the section plate 12. The inner plate surface of the section plate 12 abuts against and provides support for the template for manufacturing the cross-section of the box beam.

[0049] Reference Figure 1 and Figure 2 The inner top plate assembly 13 includes two inner support plates 131 of the same structure and symmetrically arranged, and a plug-in plate 132 detachably connected to the inner support plate 131. There are two symmetrically arranged plug-in plates 132. A strip-shaped slot 1311 is opened on the side surface of the inner support plate 131 in the length direction, and a plug-in strip 1321 adapted to the strip-shaped slot 1311 is arranged on the side surface of the plug-in plate 132 in the length direction. The outer plate surfaces of the inner support plate 131 and the plug-in plate 132 abut against the hollow template for manufacturing the box beam and provide support.

[0050] Reference Figure 1 The adjustable rod member 2 includes a side adjusting rod assembly 21 detachably connected to the side mounting plate 11 , a section adjusting rod assembly 22 detachably connected to the section plate 12 , and an inner adjusting rod assembly 23 detachably connected to the inner support plate 131 .

[0051] Reference Figures 1 to 4A plurality of first fixing grooves 111 and a plurality of second fixing grooves 112 are arranged at intervals on the outer plate surface of the side mounting plate 11. The side adjusting rod assembly 21 includes a first fixing plate 211 adapted to the first fixing groove 111, a first threaded rod 212 hinged to the first fixing plate 211 at one end, a first threaded cylinder 213 threadedly connected to the first threaded rod 212, a first transverse cylinder 214 movably sleeved on the other end of the first threaded rod 212, a second fixing plate 215 adapted to the second fixing groove 112, a second threaded rod 216 hinged to the second fixing plate 215 at one end, a second threaded cylinder 217 threadedly connected to the second threaded rod 216, and a first rotating cylinder 218 movably sleeved on the other end of the second threaded rod 216.

[0052] Reference Figures 1 to 4 A hinge shaft 24 is provided between the first fixing plate 211 and the first threaded rod 212 and between the second fixing plate 215 and the second threaded rod 216. A fastening nut 25 is provided at the end of the hinge shaft 24. A rotating cylinder 26 is provided on the outer wall of the first threaded cylinder 213 and the outer wall of the second threaded cylinder 217. Each side mounting plate 11 corresponds to a plurality of side adjustment rod assemblies 21. Each side adjustment rod assembly 21 is provided with at least one first transverse cylinder 214. The number of the first threaded rod 212, the first threaded cylinder 213 and the first fixing plate 211 is the same as the number of the first transverse cylinder 214. Each side adjustment rod assembly 21 is provided with a plurality of first rotating cylinders 218. The number of the second threaded rod 216, the second threaded cylinder 217 and the second fixing plate 215 is the same as the number of the first rotating cylinder 218. In this embodiment, one first transverse cylinder 214 is provided and three first rotating cylinders 218 are provided.

[0053] Reference Figures 1 to 4 A plurality of third fixing grooves 121 are arranged at intervals on the outer plate surface of the section plate 12. The section adjusting rod assembly 22 includes a third fixing plate 221 adapted to the third fixing groove 121, a third threaded rod 222 hinged to the third fixing plate 221 at one end, a third threaded cylinder 223 threadedly connected to the third threaded rod 222, and a second transverse cylinder 224 movably sleeved on the other end of the third threaded rod 222.

[0054] Reference Figures 1 to 4 A hinge shaft 24 is also provided between the third fixing plate 221 and the third threaded rod 222, a fastening nut 25 is also provided at the end of the hinge shaft 24, and a rotating cylinder 26 is also provided on the outer wall of the third threaded cylinder 223. Each section plate 12 corresponds to a plurality of section adjustment rod assemblies 22, each section adjustment rod assembly 22 is provided with a second transverse cylinder 224, and the number of the third threaded rod 222, the third threaded cylinder 223 and the third fixing plate 221 is the same as the number of the second transverse cylinder 224.

[0055] Reference Figures 5 to 7 A plurality of fourth fixing grooves 1312 and a plurality of fifth fixing grooves 1313 are arranged at intervals on the inner plate surface of the inner support plate 131. The inner adjusting rod assembly 23 includes a fourth fixing plate 231 adapted to the fourth fixing groove 1312, a fourth threaded rod 232 hinged to the fourth fixing plate 231 at one end, a fourth threaded cylinder 233 threadedly connected to the fourth threaded rod 232, a vertical cylinder 234 movably sleeved on the other end of the fourth threaded rod 232, a fifth fixing plate 235 adapted to the fifth fixing groove 1313, a fifth threaded rod 236 hinged to the fifth fixing plate 235 at one end, a fifth threaded cylinder 237 threadedly connected to the fifth threaded rod 236, and a second rotating cylinder 238 movably sleeved on the other end of the fifth threaded rod 236.

[0056] Reference Figures 5 to 7 A hinge shaft 24 is also provided between the fourth plugging plate 231 and the fourth threaded rod 232 and between the fifth plugging plate 235 and the fifth threaded rod 236. A fastening nut 25 is also provided at the end of the hinge shaft 24. A rotating cylinder 26 is also provided on the outer wall of the fourth threaded cylinder 233 and the outer wall of the fifth threaded cylinder 237. Each inner support plate 131 corresponds to a plurality of inner adjustment rod assemblies 23. Two vertical cylinders 234 are provided in each inner adjustment rod assembly 23. The number of the fourth threaded rod 232, the fourth threaded cylinder 233 and the fourth plugging plate 231 is the same as the number of the vertical cylinders 234. Four second rotating cylinders 238 are provided in each inner adjustment rod assembly 23. The number of the fifth threaded rod 236, the fifth threaded cylinder 237 and the fifth plugging plate 235 is the same as the number of the second rotating cylinders 238. In this embodiment, four second rotating cylinders 238 are provided.

[0057] Reference Figure 1 and Figure 5 The support rod assembly 3 includes a bottom support rod 31, a first transverse support rod 32 detachably connected to the end of the bottom support rod 31, a first vertical support rod 33 detachably connected to the end of the transverse support rod away from the bottom support rod 31, a second transverse support rod 34 detachably connected to the end of the side mounting plate 11 and the end of the inner support plate 131, a second vertical support rod 35 detachably connected to the inner plate surface of the inner support plate 131, a first connecting rod 36 detachably connected to the first rotating cylinder 218 through a scaffolding clip, and a second connecting rod 37 detachably connected to the second vertical support rod 35, and the scaffolding clip is a prior art.

[0058] Reference Figure 1 , Figure 5 and Figure 7A first insertion end 311 is provided at both ends of the bottom support rod 31, a first plugging end 321 adapted to the first insertion end 311 is provided at one end of the first cross support rod 32, a first fixing pin 312 is provided on the first insertion end 311 and the first plugging end 321, the length direction of the bottom support rod 31 and the length direction of the first cross support rod 32 are on the same straight line, a hinge shaft 24 is also provided between the first cross support rod 32 and the first rotating cylinder 218, and a fastening nut 25 is also provided at the end of the hinge shaft 24. In this embodiment, each support rod assembly 3 is provided with a bottom support rod 31.

[0059] Reference Figure 1 , Figure 5 and Figure 7 A second insertion end 322 is provided at the other end of the first horizontal support rod 32, and a second plug-in end 331 adapted to the second insertion end 322 is provided at one end of the first vertical support rod 33, and a second fixing pin 323 is provided on the second insertion end 322 and the second plug-in end 331. The length direction of the first horizontal support rod 32 and the length direction of the first vertical support rod 33 are perpendicular to each other. The first horizontal tube 214 is fixedly connected to the end of the first vertical support rod 33 away from the first horizontal support rod 32. In this embodiment, each support rod assembly 3 is provided with two first horizontal support rods 32 and two first vertical support rods 33. One end of the first connecting rod 36 is detachably connected to the first vertical support rod 33 by a screw. The screw is not shown in the figure. In this embodiment, each support rod assembly 3 is provided with four first connecting rods 36.

[0060] Reference Figure 1 , Figure 5 and Figure 7 In this embodiment, each support rod assembly 3 is provided with two second transverse support rods 34, one end of the second transverse support rod 34 is detachably connected to the inner plate surface of the side mounting plate 11 by screws, and the other end of the second transverse support rod 34 is detachably connected to the outer plate surface of the inner support plate 131 by screws, which are not shown in the figure. One end of the second transverse tube 224 is fixedly connected to the middle part of the second transverse support rod 34, and the length direction of the second transverse support rod 34 and the length direction of the second transverse tube 224 are perpendicular to each other.

[0061] Reference Figure 1 and Figure 2 A plug-in groove 1314 is provided on the inner plate surface of the inner support plate 131, a plug connector 351 adapted to the plug-in groove 1314 is provided at one end of the second vertical support rod 35, and a third fixing pin 352 is provided on the plug connector 351 and the plug-in groove 1314. One end of the vertical cylinder 234 is fixedly connected to the other end of the second vertical support rod 35. The length direction of the second vertical support rod 35 and the length direction of the vertical cylinder 234 are parallel to each other. The second rotating cylinder 238 is hinged to the second vertical support rod 35 through the hinge shaft 24, and a fastening nut 25 is also provided at the end of the hinge shaft 24.

[0062] In this embodiment, each support rod assembly 3 is provided with two second vertical support rods 35 , and both ends of the second connecting rod 37 are detachably connected to the two second vertical support rods 35 by screws. In this embodiment, each support rod assembly 3 is provided with one second connecting rod 37 .

[0063] The implementation principle of the cast-in-place box girder formwork support structure of the embodiment of the present application is: rotate the first threaded cylinder 213, the second threaded cylinder 217, the third threaded cylinder 223, the fourth threaded cylinder 233 and the fifth threaded cylinder 237 counterclockwise to pull the first plugging plate 211 out of the first plugging groove 111, the second plugging plate 215 out of the second plugging groove 112, the third plugging plate 221 out of the third plugging groove 121, the fourth plugging plate 231 out of the fourth plugging groove 1312, and the fifth plugging plate 235 out of the fifth plugging groove 1313, thereby quickly separating the side adjustment rod assembly 21 from the side mounting plate 11, the cross-section adjustment rod assembly 22 from the cross-section plate 12, and the inner adjustment rod assembly 23 from the inner support plate 131. There is no need to disassemble and separate the adjustable rod component 2 from the support rod assembly 3. When installing again, the adjustable rod component 2 can be quickly connected to the mounting plate component 1, reducing labor and construction time.

[0064] The above are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A cast-in-place box beam formwork support structure, characterized in that: It comprises a mounting plate component (1) for supporting a template, an adjustable rod component (2) detachably connected to the mounting plate component (1), and a supporting rod assembly (3) for mounting the adjustable rod component (2); The mounting plate component (1) comprises a side mounting plate (11), a cross-sectional plate (12) abutting against the side mounting plate (11), and an inner top plate assembly (13) with one end inserted on the cross-sectional plate (12); the inner top plate assembly (13) comprises an inner support plate (131) and a plug-in plate (132) detachably connected to the inner support plate (131); The adjustable rod member (2) comprises a side adjustment rod assembly (21) with one end detachably connected to the side mounting plate (11), a cross-section adjustment rod assembly (22) with one end detachably connected to the cross-section plate (12), and an inner adjustment rod assembly (23) with one end detachably connected to the inner support plate (131); The support rod assembly (3) comprises a bottom support rod (31) for supporting a formwork, a first transverse support rod (32) detachably connected to the bottom support rod (31), a first vertical support rod (33) detachably connected to the first transverse support rod (32), a second transverse support rod (34) detachably connected to the side mounting plate (11) and the inner support plate (131), and a second vertical support rod (35) detachably connected to the inner support plate (131); The side adjustment rod assembly (21) is arranged on the first transverse support rod (32) and the first vertical support rod (33), the cross-section adjustment rod assembly (22) is arranged on the second transverse support rod (34), and the inner adjustment rod assembly (23) is arranged on the second vertical support rod (35); The inner adjustment rod assembly (23) comprises a vertical cylinder (234) fixedly connected to the second vertical support rod (35), a fourth threaded rod (232) movably inserted in the vertical cylinder (234), a fourth threaded cylinder (233) threadedly connected to the fourth threaded rod (232), a fourth fixing plate (231) hinged on one end of the fourth threaded rod (232), a plurality of second rotating cylinders (238) hinged on the second vertical support rod (35), a fifth threaded rod (236) movably inserted in the second rotating cylinder (238), a fifth threaded cylinder (237) threadedly connected to the fifth threaded rod (236), and a fifth fixing plate (235) hinged on one end of the fifth threaded rod (236); A fourth insertion groove (1312) adapted to the fourth insertion plate (231) is provided on the inner support plate (131), and a fifth insertion groove (1313) adapted to the fifth insertion plate (235) is provided on the inner support plate (131); the support rod assembly (3) further comprises a second connecting rod (37) detachably connected to the adjacent second vertical support rod (35).

2. A cast-in-place box beam formwork support structure according to claim 1, characterized in that: The side adjustment rod assembly (21) comprises a first transverse tube (214) fixedly connected to the first vertical support rod (33), a first threaded rod (212) movably inserted in the first transverse tube (214), a first threaded tube (213) threadedly connected to the first threaded rod (212), a first fixing plate (211) hinged on one end of the first threaded rod (212), a plurality of first rotating tubes (218) hinged on the first transverse support rod (32), a second threaded rod (216) movably inserted in the first rotating tube (218), a second threaded tube (217) threadedly connected to the second threaded rod (216), and a second fixing plate (215) hinged on one end of the second threaded rod (216); A first insertion groove (111) adapted to the first insertion plate (211) is provided on the side mounting plate (11), and a second insertion groove (112) adapted to the second insertion plate (215) is provided on the mounting plate.

3. A cast-in-place box beam formwork support structure according to claim 2, characterized in that: The support rod assembly (3) further comprises a first connecting rod (36) detachably connected to the first rotating cylinder (218), and one end of the first connecting rod (36) is detachably connected to the first vertical support rod (33).

4. The cast-in-place box beam formwork support structure according to claim 1, characterized in that: The cross-section adjustment rod assembly (22) comprises a second transverse tube (224) fixedly connected to the second transverse support rod (34), a third threaded rod (222) movably inserted in the second transverse tube (224), a third threaded tube (223) threadedly connected to the third threaded rod (222), and a third insertion plate (221) hingedly connected to one end of the third threaded rod (222); A third insertion groove (121) adapted to the third insertion plate (221) is provided on the section plate (12).

5. The cast-in-place box beam formwork support structure according to claim 1, characterized in that: A plug connector (351) is provided at the end of the second vertical support rod (35), a plug slot (1314) adapted to the plug connector (351) is provided on the inner support plate (131), and a third fixing pin (352) is provided on the plug connector (351) and the plug slot (1314).

6. The cast-in-place box beam formwork support structure according to claim 1, characterized in that: A first insertion end (311) is provided at the end of the bottom support rod (31), a first plugging end (321) adapted to the first insertion end (311) is provided at the end of the first cross support rod (32), and a first fixing pin (312) is provided on the first insertion end (311) and the first plugging end (321); A second insertion end (322) is provided at the end of the first horizontal support rod (32), a second plug-in end (331) adapted to the second insertion end (322) is provided at the end of the first vertical support rod (33), and a second fixing pin (323) is provided on the second insertion end (322) and the second plug-in end (331).

7. The cast-in-place box beam formwork support structure according to claim 1, characterized in that: The inner support plate (131) is provided with a strip-shaped slot (1311), and the plug-in plate (132) is provided with an insertion strip (1321) adapted to the strip-shaped slot (1311).

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