Cast-in-place box girder formwork supporting structure

By using bolts and threaded connections of connecting cylinders in the formwork support structure of cast-in-place box girders, combined with components such as nuts and damping springs, the stability problem of cast-in-place box girders under water flow impact was solved, achieving better casting effect and structural impact resistance.

CN223738484UActive Publication Date: 2025-12-30SHAANXI EXPRESSWAY MECHANIZATION ENG CO LTD
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Patent Information

Application Number
CN202423294873.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-12-30
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

The lack of lateral bracing during the construction of cast-in-place box girders leads to water flow impact affecting the casting effect, especially in bridge construction where the resistance to water flow impact is relatively weak.

Method used

A formwork support structure for cast-in-place box girders was designed. Through the threaded connection of bolts and connecting cylinders, the lateral fixation of the side plates and bottom plates is increased. Combined with components such as nuts and damping springs, the stability and impact resistance of the structure are enhanced.

Benefits of technology

It improved the water flow impact resistance of the cast-in-place box girder formwork, enhanced lateral fixation and stability, and ensured the quality and density of concrete pouring.

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Abstract

The utility model belongs to the technical field of building construction, and particularly relates to a cast-in-place box girder formwork supporting structure which comprises a base, and a square plate is fixedly connected to the middle of the base. A plurality of bolts are fixedly connected to the side wall of the square plate; a bottom plate is arranged at the top of the square plate; a pair of side plates is arranged on the side wall of the bottom plate; the inner wall of the side plate is fixedly connected with a connecting plate; a plurality of connecting cylinders are in threaded connection with the interior of the connecting plate; the connecting cylinder and the bolt are correspondingly arranged and are in threaded connection; a plurality of supporting frames are fixedly connected to the side wall of the side plate; the middle part of the connecting cylinder is in threaded connection with a first nut; the end part of the connecting cylinder is in threaded connection with a second nut; a plurality of concrete blocks are fixedly connected to the tops of the side plates; the concrete blocks and the side plates are correspondingly arranged; the bolts are additionally arranged so that acting points can be increased for the side plates and the bottom plate, meanwhile, after the connecting cylinders are connected with the bolts, the influence caused by water flow impact after the bottom plate and the side plates are assembled can be reduced, and therefore the transverse acting force of the side plates and the bottom plate is increased.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building construction, and specifically relates to a cast-in-place box girder formwork supporting structure. BACKGROUND

[0002] The box girder is a kind of hollow girder structure, its appearance is like a box, there is hollow portion inside, this hollow structure makes it meet the bearing requirement at the same time, can effectively reduce dead weight, and has good bending and torsional properties, is often used in large-scale construction engineering such as bridge, for example, in some cross-river, cross-sea bridge, box girder can well bear vehicle load etc., and ensure the stability of structure.

[0003] The box girder can be made of various materials, commonly known as concrete and steel, the concrete box girder is generally constructed by on-site pouring or precast installation, and the steel box girder is processed in the factory, then transported to the site for splicing installation, in the production process, size precision and quality need to be strictly controlled to ensure that it meets the design requirements.

[0004] The cast-in-place box girder is usually assembled by hoisting equipment in the construction site during use, and there is only vertical support during assembly, without transverse pull connection, so that the water flow impact resistance is weak during construction, which affects the pouring effect.

[0005] Therefore, the cast-in-place box girder formwork supporting structure is proposed for the above problems. UTILITY MODEL CONTENTS

[0006] In order to make up for the deficiencies of the prior art, at least one technical problem in the background art is solved.

[0007] The utility model solves the technical scheme that the utility model discloses a cast-in-place box girder formwork supporting structure, including the base, the base middle part is fixedly connected with the square board, the square board side wall is fixedly connected with a plurality of bolts, the square board top is provided with the bottom plate, the bottom plate side wall is provided with a pair of side plates, the side plate inner wall is fixedly connected with the connecting plate, the connecting plate inside is connected with a plurality of connecting barrels, the connecting barrel and bolt are correspondingly arranged and are connected in screw threads, the side plate side wall is fixedly connected with a plurality of support frames, by increasing the bolt, the side plate and the bottom plate can increase the force point, after the connecting barrel and the bolt are connected, the influence caused by water flow impact after the bottom plate and the side plate are assembled is reduced, thereby increasing the transverse force of the side plate and the bottom plate.

[0008] Preferably, the middle of the connecting barrel is threadedly connected with a first nut; the end of the connecting barrel is threadedly connected with a second nut; the first nut and the second nut are added to increase the fixation after the connecting barrel is connected with the bolt, thereby increasing the stability of the bottom plate and the side plate, and when the first nut is impacted by vibration, the second nut can provide friction for the first nut to reduce the shaking of the first nut.

[0009] Preferably, the top of the side plate is fixedly connected with a plurality of concrete blocks; the concrete blocks and the side plate are correspondingly arranged; the concrete blocks are added to judge the height of the material reaching the surface of the concrete blocks when the inside of the bottom plate is filled with the material, and the concrete blocks can provide a cushion for the operator when the operator moves and observes.

[0010] Preferably, the top of the side plate is fixedly connected with a plurality of fixed plates; the fixed plates are located between the concrete blocks; the middle of the fixed plate is provided with a clamping groove; the clamping groove is added to enable the vibrator to move through the clamping groove one by one to complete the work of processing the material, so that the gaps in the material are reduced to increase the compactness between the materials.

[0011] Preferably, the inner wall of the clamping groove is fixedly connected with a pair of rotating seats; the middle of the rotating seat is rotatably connected with a baffle; the end of the baffle is hingedly connected with a damping spring; the damping spring and the clamping groove are in a fixed connection; the damping spring is added to absorb the vibration generated when the vibrator is vibrated after entering the inside of the clamping groove, thereby increasing the protection of the vibrator.

[0012] Preferably, the end of the damping spring is fixedly connected with a plurality of reinforcing wires; the reinforcing wires and the damping spring are correspondingly arranged; the reinforcing wires are added to link a plurality of damping springs to absorb the vibration when the vibrator is located in the clamping groove, thereby accelerating the elimination of the impact.

[0013] The present application has the advantages that:

[0014] 1. The cast-in-place box girder formwork supporting structure, by increasing the bolt, the force point of the side plate and the bottom plate is increased, and after the connecting barrel is connected with the bolt, the influence caused by the water flow impact after the bottom plate and the side plate are assembled is reduced, thereby increasing the transverse force of the side plate and the bottom plate.

[0015] 2. The cast-in-place box girder formwork supporting structure, by increasing the first nut and the second nut, the fixation after the connecting barrel is connected with the bolt is increased, thereby increasing the stability of the bottom plate and the side plate, and when the first nut is impacted by vibration, the second nut can provide friction for the first nut to reduce the shaking of the first nut. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained based on these drawings without creative labor.

[0017] Figure 1 It is a schematic view of the main body of the present application.

[0018] Figure 2 It is a schematic view of the structure of the square plate in the present application.

[0019] Figure 3 It is a schematic view of the structure of the bolt in the present application.

[0020] Figure 4 It is a schematic view of the structure of the fixed plate in the present application.

[0021] Figure 5 It is a schematic view of the structure of the side plate in the present application.

[0022] In the figure: 1, base; 11, square plate; 12, bolt; 13, bottom plate; 14, side plate; 15, connecting plate; 16, connecting cylinder; 17, support frame; 2, first nut; 21, second nut; 3, concrete block; 4, fixed plate; 41, clamping groove; 5, rotating seat; 51, baffle; 52, damping spring; 6, reinforcing wire. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0024] The specific embodiments will be given below.

[0025] As Figures 1 to 5As shown, the utility model discloses a cast -in -situ box girder formwork support structure, including base 1, the middle part of base 1 is fixedly connected with square board 11, a plurality of bolts 12 are fixedly connected on the lateral wall of square board 11, the top of square board 11 is provided with bottom plate 13, a pair of side plates 14 are arranged on the lateral wall of bottom plate 13, the inner wall of side plate 14 is fixedly connected with connecting plate 15, a plurality of connecting barrels 16 are screw connected in connecting plate 15, connecting barrel 16 and bolt 12 are correspondingly arranged and screw connected, a plurality of support frames 17 are fixedly connected on the lateral wall of side plate 14, when needing to assemble formwork, connecting barrel 16 on connecting plate 15 is aligned with bolt 12, then connecting barrel 16 is rotated, when connecting barrel 16 rotates, it will contact bolt 12, at this time, connecting barrel 16 will engage with bolt 12, so that side plate 14 is fixed by connecting barrel 16 and bolt 12, so as to increase transverse fixation, at this time, when using side plate 14 and bottom plate 13 to pour concrete, support frame 17 will guide and block concrete, thereby forming, and after connecting barrel 16 and bolt 12 are connected, it will increase transverse pull connection, so as to increase stability when being impacted by water flow, by increasing bolt 12, the force point of side plate 14 and bottom plate 13 can be increased, and after connecting barrel 16 and bolt 12 are connected, the influence caused by water flow impact after bottom plate 13 and side plate 14 are assembled can be reduced, so as to increase the transverse force of side plate 14 and bottom plate 13.

[0026] As Figures 2 to 3 As shown, the middle part of connecting barrel 16 is screw connected with first nut 2, and the end part of connecting barrel 16 is screw connected with second nut 21, when connecting barrel 16 and bolt 12 are connected, second nut 21 can be screwed to contact connecting plate 15, when connecting barrel 16 and connecting plate 15 contact, first nut 2 can be rotated to approach second nut 21, when first nut 2 and second nut 21 are all combined, connecting barrel 16 can be stably connected, so as to be fixed, by increasing first nut 2 and second nut 21, after connecting barrel 16 and bolt 12 are connected, the fixing can be increased, so as to increase the stability of bottom plate 13 and side plate 14, when first nut 2 is impacted by vibration, second nut 21 can provide friction for first nut 2, so as to reduce the shaking of first nut 2.

[0027] As Figure 1 As shown, a plurality of concrete blocks 3 are fixedly connected on the top of side plate 14, and the concrete block 3 and side plate 14 are correspondingly arranged, when pouring the inside of bottom plate 13, when the material reaches the upper half of side plate 14, the thickness of the material can be judged by observing the position of the material reaching concrete block 3, and when the material completely covers concrete block 3, it means that the material can stop being conveyed, by increasing concrete block 3, when filling the inside of bottom plate 13 with material, the height of the material reaching the surface of concrete block 3 can be judged, and when the operator moves to observe, it can be padded.

[0028] As Figures 1 to 5 shown, the side plate 14 top fixed with a plurality of fixed plate 4; the fixed plate 4 is located between the concrete block 3; the fixed plate 4 middle part is provided with a clamping groove 41; work, when the material pouring is completed, it is necessary to use the vibrator to insert into the material interior to compact, in use, it is necessary to move back and forth, when moving, it can be directly moved to the inside of the clamping groove 41 to compact the material comprehensively, when the vibrator passes through all the clamping grooves 41, the material processing is completed, thereby the air inside the material is discharged, the gap inside the material is reduced; by increasing the clamping groove 41, the vibrator only needs to pass through the clamping groove 41 one by one when moving, which can complete the work of processing the material, so that the gap inside the material is reduced, thereby increasing the compaction between the materials.

[0029] As Figure 4 shown, the clamping groove 41 inner wall is fixed with a pair of rotating seat 5; the rotating seat 5 middle part is rotatably connected with the baffle 51; the baffle 51 end is hinged with the damping spring 52; the damping spring 52 and the clamping groove 41 are in fixed connection; work, when the vibrator enters the inside of the clamping groove 41, because the vibrator is not stop vibration, so it will shake in the clamping groove 41, at this time, it will contact with the baffle 51, when the vibrator and the baffle 51 contact, it will extrude the damping spring 52 to absorb the impact of the vibrator on the baffle 51, thereby reducing the damage of the vibrator impact; by increasing the damping spring 52, the vibration generated when the vibrator vibrates in the clamping groove 41 can be absorbed, thereby increasing the protection of the vibrator.

[0030] As Figure 4 shown, the damping spring 52 end is fixed with a plurality of reinforcing wire 6; the reinforcing wire 6 and the damping spring 52 are correspondingly arranged; work, when the vibrator vibrates in the clamping groove 41, it will contact with the reinforcing wire 6, at this time, the reinforcing wire 6 will shake due to the vibration of the vibrator, at this time, the reinforcing wire 6 will drive the damping spring 52 to absorb the vibration together, thereby linking multiple damping springs 52 to absorb the impact; by increasing the reinforcing wire 6, multiple damping springs 52 can be linked to absorb the vibration when the vibrator is in the clamping groove 41, thereby accelerating the impact elimination.

[0031] Working principle: when the template needs to be assembled, the connecting barrel 16 on the connecting plate 15 is aligned with the bolt 12, and then the connecting barrel 16 is rotated, when the connecting barrel 16 is rotated, it will contact the bolt 12, at this time, the connecting barrel 16 will be engaged with the bolt 12 to fix the side plate 14 with the connecting barrel 16 and the bolt 12, so as to increase the transverse fixation, at this time, when the side plate 14 and the bottom plate 13 are used to pour concrete, the support frame 17 will guide and block the concrete, thereby forming, and after the connecting barrel 16 and the bolt 12 are connected, the transverse pull connection is increased, so that the stability is increased when it is impacted by water flow; after the connecting barrel 16 and the bolt 12 are connected, the second nut 21 can be screwed to contact the connecting plate 15, and when the connecting barrel 16 and the connecting plate 15 are contacted, the first nut 2 can be rotated to approach the second nut 21, and when the first nut 2 and the second nut 21 are completely combined, the stability of the connecting barrel 16 after connection can be increased, so as to fix it; when pouring the inside of the bottom plate 13, when the material reaches the upper half of the side plate 14, the thickness of the material can be judged by observing the position of the material reaching the concrete block 3, and when the material completely covers the concrete block 3, it means that the material conveying can be stopped; after the material is poured, the vibrator needs to be inserted into the material to compact, and during use, it needs to move back and forth, and when moving, it can be directly moved into the clamping groove 41 to fully compact the material, and when the vibrator passes through all the clamping grooves 41, the material processing is completed, thereby discharging the air in the material and reducing the gap in the material; after the vibrator enters the clamping groove 41, it will shake in the clamping groove 41 due to the vibration of the vibrator, at this time, it will contact the baffle 51, and when the vibrator contacts the baffle 51, it will squeeze the damping spring 52 to absorb the impact of the vibrator on the baffle 51, thereby reducing the damage of the vibrator impact; when the vibrator vibrates in the clamping groove 41, it will contact the reinforcing wire 6, at this time, the reinforcing wire 6 will shake due to the vibration of the vibrator, at this time, the reinforcing wire 6 will drive the damping spring 52 to absorb the vibration, thereby linking multiple damping springs 52 to absorb the impact.

[0032] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A cast-in-place box girder formwork support structure comprising a base (1), characterized in that: The middle of the base (1) is fixedly connected with a square plate (11); the side wall of the square plate (11) is fixedly connected with a plurality of bolts (12); the top of the square plate (11) is provided with a bottom plate (13); the side wall of the bottom plate (13) is provided with a pair of side plates (14); the inner wall of the side plate (14) is fixedly connected with a connecting plate (15); a plurality of connecting barrels (16) are threadedly connected inside the connecting plate (15); the connecting barrel (16) and the bolt (12) are correspondingly arranged and threadedly connected; the side wall of the side plate (14) is fixedly connected with a plurality of support frames (17).

2. The cast-in-place box girder formwork support structure according to claim 1, characterized in that: The middle of the connecting barrel (16) is threadedly connected with a first nut (2); the end of the connecting barrel (16) is threadedly connected with a second nut (21).

3. The cast-in-place box girder formwork support structure according to claim 2, characterized in that: The top of the side plate (14) is fixedly connected with a plurality of concrete blocks (3); the concrete block (3) and the side plate (14) are correspondingly arranged.

4. The cast-in-place box girder formwork support structure according to claim 3, characterized in that: The top of the side plate (14) is fixedly connected with a plurality of fixed plates (4); the fixed plate (4) is located between the concrete blocks (3); the middle of the fixed plate (4) is provided with a clamping groove (41).

5. The cast-in-place box girder formwork support structure according to claim 4, characterized in that: The inner wall of the clamping groove (41) is fixedly connected with a pair of rotating seats (5); the middle of the rotating seat (5) is rotatably connected with a baffle (51); the end of the baffle (51) is hingedly connected with a damping spring (52); the damping spring (52) and the clamping groove (41) are in fixed connection.

6. The cast-in-place box girder formwork support structure according to claim 5, characterized in that: The end of the damping spring (52) is fixedly connected with a plurality of reinforcing wires (6); the reinforcing wire (6) and the damping spring (52) are correspondingly arranged.