Fabricated open caisson steel die operation platform

Abstract

The utility model discloses an assembly type open caisson steel die operation platform, belongs to the technical field of open caisson construction, and solves the problem that a steel pipe scaffold has potential safety hazards during existing open caisson construction. The operation platform comprises a plurality of first steel formworks and a plurality of second steel formworks, the first steel formworks and the second steel formworks are arranged on the inner circle and the outer circle of open caisson structure concrete respectively, and the first steel formworks and the second steel formworks are each of an arc-shaped structure. A plurality of locking assemblies for installing the first steel formwork and the second steel formwork on open caisson structure concrete are arranged between the first steel formwork and the second steel formwork, and symmetrically-arranged platform assemblies are arranged at the upper end of the first steel formwork and the upper end of the second steel formwork respectively. According to the assembly type open caisson steel die operation platform, the problem that in the sinking process of an open caisson, a peripheral scaffold foundation sinks along with the open caisson is solved, the situation that a steel pipe scaffold body is not stable is avoided, the construction quality of the open caisson is guaranteed, the construction period is shortened, and the construction cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of caisson construction, in particular to an assembled caisson steel formwork operating platform. Background Art

[0002] With the rapid development of urban construction and the continuous improvement of construction technology, caisson structures can be seen in water supply pump stations and sewage treatment lift pump stations. Caisson structures are usually made of reinforced concrete cast-in-place structures, and an operating platform is required for the installation of steel bars, formwork installation, and concrete pouring.

[0003] Traditional caisson operating platforms typically use a ground-based steel pipe scaffolding built outside the caisson as the caisson construction platform. However, in geologically complex areas, such as those with irregularly distributed boulders and clay, the caisson sinking process can disturb the surrounding soil, leading to unstable foundations and the platform being prone to sinking and collapse, posing a significant safety hazard. Replacing the ground-based steel pipe scaffolding after each caisson sinking not only increases construction time but also costs. Utility Model Content

[0004] The technical problem to be solved by the present invention is to provide an assembled caisson steel formwork operating platform in response to the above-mentioned deficiencies in the prior art, so as to avoid the instability of the steel pipe scaffolding frame, ensure the quality of caisson construction, save construction period, reduce construction costs, and have the characteristics of wide application range and strong practicality.

[0005] The technical solution adopted by the utility model is: an assembled caisson steel formwork operating platform, including multiple first steel formworks and multiple second steel formworks, the first steel formworks and the second steel formworks are respectively arranged on the inner circle and the outer circle of the caisson structure concrete, the first steel formworks and the second steel formworks are both arc-shaped structures, and multiple locking components are provided between the first steel formworks and the second steel formworks to install the two on the caisson structure concrete, and the upper ends of the first steel formworks and the second steel formworks are respectively provided with symmetrically arranged platform components.

[0006] As a further improvement, the locking assembly includes a waterstop screw, a steel bar clamp and a butterfly buckle. The outer sides of the first steel formwork and the second steel formwork are provided with a steel bar clamp. The steel bar clamp is buckled with a butterfly buckle. The waterstop screw passes through the first steel formwork, the second steel formwork and the butterfly buckle. The two ends of the waterstop screw are threadedly connected with locking nuts for locking the butterfly buckle.

[0007] Furthermore, the platform assembly includes a bracket, a walkway steel plate and a guardrail. The bracket is arranged on the first steel formwork and the second steel formwork, the walkway steel plate is installed above the bracket, and the guardrail is installed on one side of the walkway steel plate.

[0008] Furthermore, a plurality of connecting plates and connecting seats are provided on the inner side of the first steel formwork and the outer side of the second steel formwork, and the upper and lower ends of the bracket are respectively connected to the connecting plates and connecting seats by bolts.

[0009] Furthermore, the number of the first steel templates and the number of the second steel templates are both eight, and the angle between the first steel templates and the second steel templates is both 45°.

[0010] Furthermore, steel membrane back ribs are provided on the inner side of the first steel template and the outer side of the second steel template.

[0011] Beneficial effects

[0012] Compared with the prior art, the present invention has the following advantages:

[0013] 1. The utility model adopts a split-type structure, adopts a whole circle of steel bar hoop support method, a screw rod tension steel bar fixing method, a bolt connection method, etc. The operation process is simple, and the installation and removal are convenient and quick.

[0014] 2. The caisson of the present invention is installed using an assembled steel formwork integrated operating platform. The operating platform is integrated and assembled into the steel formwork to form a whole. The operator stands on the operating platform to assemble the upper layer of caisson steel formwork, which makes the operation more convenient. It not only saves the installation time of the caisson steel formwork, but also saves the installation time of the operating platform, and significantly shortens the construction period overall.

[0015] 3. The first steel formwork and the second steel formwork of the utility model can be customized according to actual needs, the visual quality of the concrete is good, the curvature of the caisson is highly accurate, there is no bulging or explosion of the formwork, and the quality effect is good.

[0016] 4. During use of the operating platform of the utility model, the two sets of caisson assembled steel formwork integrated operating platforms connected upper and lower can allow operators to stand on the steel formwork platform for construction, and safety can be well guaranteed.

[0017] 5. When the steel formwork of the caisson structure of the present invention is assembled and disassembled in groups, the operating platform can be integrated with the steel formwork for assembly and disassembly. The operating platform is not affected by the terrain around the caisson when in use and has strong adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0019] Figure 2 for Figure 1A schematic diagram of the structure at center A;

[0020] Figure 3 This is a schematic structural diagram of the second steel template in the present utility model;

[0021] Figure 4 It is a structural diagram of the practical application of the present invention.

[0022] Among them: 1-first steel formwork, 2-second steel formwork, 3-locking assembly, 4-platform assembly, 5-caisson structure concrete, 6-connecting plate, 7-connecting seat, 8-steel membrane back rib, 31-butterfly buckle, 32-locking nut, 33-waterstop screw, 34-steel bar clamp, 41-bracket, 42-walkway steel plate, 43-guardrail. DETAILED DESCRIPTION

[0023] The present invention will be further described below with reference to the specific embodiments in the accompanying drawings.

[0024] See Figure 1-4 As shown, the utility model is an assembled caisson steel formwork operating platform, comprising a plurality of first steel formworks 1 and a plurality of second steel formworks 2, the first steel formworks 1 and the second steel formworks 2 are respectively arranged on the inner circle and the outer circle of the caisson structure concrete 5, the first steel formworks 1 and the second steel formworks 2 are both arc-shaped structures, a plurality of locking components 3 are provided between the first steel formworks 1 and the second steel formworks 2 to install the two on the caisson structure concrete 5, the upper ends of the first steel formworks 1 and the second steel formworks 2 are respectively provided with symmetrically arranged platform components 4, eight first steel formworks 1 and eight second steel formworks 2 are connected by bolts, and a circular steel formwork is formed inside and outside the caisson structure concrete 5, the steel bar hoop is respectively bent into an arc according to the curvature of the steel formwork and connected and welded, and a locking nut 32 and a butterfly buckle 31 are used to pull the water-stop screw 33 for fixing the first steel formworks 1 and the second steel formworks 2 together, and then the bracket is installed on the steel formwork by bolts. On the connecting plate 6 and the connecting seat 7 on the template, a bracket 41 is fixed to each steel mold, and a guardrail 43 and a paved walkway steel plate 42 are installed to integrate an overall operating platform. When the caisson structure steel molds are disassembled and assembled in groups, the operating platform can be integrated with the steel molds for disassembly and assembly. The operating platform is not affected by the terrain around the caisson when in use. After pouring two layers of caisson structure concrete 5, after the concrete strength of the corresponding part of the upper steel mold meets the requirements, the integrated operating platform of the steel mold of this layer is retained, and the operating platform of the lower caisson structure steel mold is disassembled and installed upwards, so that it can be used back and forth, thereby improving the utilization of tools and saving construction costs. This structure adopts a full circle of steel bar clamp support method, a screw tension steel bar fixing method, and a bolt connection method. The process is simple and the installation and removal are convenient and quick. During use, the two sets of caisson assembled steel mold operating platforms connected above and below allow the operating workers to stand on the steel mold platform for construction, and safety is well guaranteed.

[0025] Specifically, the locking assembly 3 includes a waterstop screw 33, a steel bar clamp 34 and a butterfly buckle 31. The outer sides of the first steel formwork 1 and the second steel formwork 2 are both provided with a steel bar clamp 34. The steel bar clamp 34 is fastened with a butterfly buckle 31. The waterstop screw 33 passes through the first steel formwork 1, the second steel formwork 2 and the butterfly buckle 31. The two ends of the waterstop screw 33 are threadedly connected with locking nuts 32 for locking the butterfly buckle 31. The waterstop screw 33 is placed according to the position, and the steel formwork is first tightened horizontally with a hoist. At the same time, the butterfly buckle 31 is used to lock the steel bar clamp 34 and tighten it together for installation. After the steel connection end of the steel bar clamp 34 is welded with channel steel, each section of the steel bar clamp 34 is directly connected by bolts, which is convenient for installation and disassembly construction. After the waterstop screw 33 is tightened, the overall installation of the caisson structure steel formwork is completed.

[0026] Preferably, the platform assembly 4 includes a bracket 41, a walkway steel plate 42 and a guardrail 43. The bracket 41 is arranged on the first steel formwork 1 and the second steel formwork 2. The walkway steel plate 42 is installed above the bracket 41. The guardrail 43 is installed on one side of the walkway steel plate 42. The walkway steel plate 42 is convenient for staff to walk on it, and the guardrail 43 plays a protective role, improves safety, and ensures the safety of personnel.

[0027] Furthermore, multiple connecting plates 6 and connecting seats 7 are provided on the inner side of the first steel formwork 1 and the outer side of the second steel formwork 2. The upper and lower ends of the bracket 41 are respectively connected to the connecting plates 6 and the connecting seats 7 by bolts. A detachable connection method is adopted to facilitate the disassembly and assembly of the bracket 41, so that it can be reused, thereby reducing construction costs.

[0028] Furthermore, there are eight first steel templates 1 and eight second steel templates 2, and the angles between the first steel templates 1 and the second steel templates 2 are both 45°. The steel templates are divided into multiple parts and assembled in an assembled manner, which is convenient for lifting during construction and also convenient for later disassembly and assembly.

[0029] Furthermore, steel film back ribs 8 are provided on the inner side of the first steel formwork 1 and the outer side of the second steel formwork 2 to increase the structural strength of the inner side of the first steel formwork 1 and the second steel formwork 2, and effectively prevent the inner side of the first steel formwork 1 and the second steel formwork 2 from deforming during use.

[0030] When the assembled caisson steel formwork operating platform of this embodiment is in use, eight first steel formworks 1 and eight second steel formworks 2 are connected by bolts, and a circular steel formwork is formed inside and outside the caisson structure concrete 5. The steel bar clamps are respectively bent into arcs according to the curvature of the steel formworks and connected and welded. The locking nuts 32 and butterfly buckles 31 are used to pull the water-stop screws 33 to fix the first steel formworks 1 and the second steel formworks 2 together. Then the bracket is installed on the connecting plate 6 and the connecting seat 7 on the steel formwork by bolts. Each steel formwork is fixed separately. A bracket 41 is fixed, and a guardrail 43 is installed, and a walkway steel plate 42 is laid to integrate an overall operating platform. When the caisson structure steel formwork is disassembled and assembled in groups, the operating platform can be integrated with the steel formwork for disassembly and assembly. The operating platform is not affected by the terrain around the caisson when in use. After pouring two layers of caisson structure concrete 5, after the concrete strength of the corresponding part of the upper steel formwork meets the requirements, the integrated operating platform of the steel formwork of this layer is retained, and the operating platform of the lower caisson structure steel formwork is disassembled and installed upwards. This is used in a reciprocating manner, which improves the utilization of the tool and saves construction costs. The utility model is an assembled caisson steel formwork operating platform, which adopts a steel bar full circle clamp support method, a screw rod tension steel bar fixing method, and a bolt connection method. The process is simple, and installation and disassembly are convenient and quick. During use, the two sets of caisson assembled steel formwork operating platforms connected up and down allow the operator to stand on the steel formwork platform for construction, and safety is well guaranteed.

[0031] The above is only a preferred embodiment of the present invention. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the structure of the present invention. These modifications and improvements will not affect the effect of the implementation of the present invention and the practicality of the patent.

Claims

1. An assembled caisson steel formwork operating platform, characterized in that: The invention comprises a plurality of first steel formworks (1) and a plurality of second steel formworks (2), wherein the first steel formworks (1) and the second steel formworks (2) are respectively arranged on the inner circle and the outer circle of the caisson structure concrete (5), and the first steel formworks (1) and the second steel formworks (2) are both arc-shaped structures. A plurality of locking assemblies (3) for mounting the first steel formworks (1) and the second steel formworks (2) on the caisson structure concrete (5) are provided between the first steel formworks (1) and the second steel formworks (2), and the upper ends of the first steel formworks (1) and the second steel formworks (2) are respectively provided with symmetrically arranged platform assemblies (4).

2. The assembled caisson steel formwork operating platform according to claim 1, characterized in that: The locking assembly (3) includes a water-stop screw (33), a steel bar clamp (34) and a butterfly buckle (31). The outer sides of the first steel formwork (1) and the second steel formwork (2) are both provided with a steel bar clamp (34). The steel bar clamp (34) is clamped with a butterfly buckle (31). The water-stop screw (33) passes through the first steel formwork (1), the second steel formwork (2) and the butterfly buckle (31). Both ends of the water-stop screw (33) are threadedly connected with locking nuts (32) for locking the butterfly buckle (31).

3. The assembled caisson steel formwork operating platform according to claim 1, characterized in that: The platform assembly (4) includes a bracket (41), a walkway steel plate (42) and a guardrail (43), wherein the bracket (41) is arranged on the first steel formwork (1) and the second steel formwork (2), the walkway steel plate (42) is installed above the bracket (41), and the guardrail (43) is installed on one side of the walkway steel plate (42).

4. The assembled caisson steel formwork operating platform according to claim 3 is characterized in that: A plurality of connecting plates (6) and connecting seats (7) are provided on the inner side of the first steel template (1) and the outer side of the second steel template (2), and the upper and lower ends of the bracket (41) are connected to the connecting plates (6) and the connecting seats (7) respectively by bolts.

5. The assembled caisson steel formwork operating platform according to claim 1, characterized in that: The number of the first steel templates (1) and the number of the second steel templates (2) are both eight, and the angle between the first steel templates (1) and the second steel templates (2) is both 45°.

6. The assembled caisson steel formwork operating platform according to claim 1, characterized in that: Steel film back ribs (8) are provided on the inner side of the first steel template (1) and the outer side of the second steel template (2).

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