Safety protection platform for mounting and dismounting offshore steel hanging box bearing platform template

Abstract

A safety protection platform for mounting and dismounting of offshore steel hanging box bearing platform formworks comprises a concrete bottom plate and a plurality of steel hanging boxes hung on the concrete bottom plate, and the outer ring of the concrete bottom plate is provided with a bottom protection platform and a plurality of formworks which are arranged around the concrete bottom plate. The multiple formworks are sequentially connected to form a closed-loop structure arranged around the concrete bottom plate. Platform modules are mounted at the tops of the templates, and a plurality of platform modules which are connected in sequence form a top protection platform; compared with the prior art, the top protection platform and the bottom protection platform are arranged on the outer side of the formwork, so that a safe operation space is provided for constructors, the safety of the constructors is guaranteed, dangers are reduced, meanwhile, the top protection platform is composed of a plurality of platform modules, each platform module comprises a platform body and a guardrail, and therefore the safety of the constructors is improved. Through the modular design, installation of the protection platform is facilitated, and the installation efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel hanging box pedestal construction, in particular to a safety protection platform for installing and disassembling offshore steel hanging box pedestal templates. Background Art

[0002] A steel box cap is a construction method in which a steel box is used as a support and formwork for pouring cap concrete in an overwater construction environment. The steel box not only provides a stable working platform for cap construction but also serves as a formwork for pouring cap concrete, streamlining the construction process and improving efficiency.

[0003] Traditionally, the installation of pier formwork involves using a crane to first install the base formwork and then the side formwork. The formwork is hoisted to the desired location by a crane, and then secured by auxiliary construction workers. Some offshore piers require precast concrete base plates, which are then connected together to form a single unit, serving as the base formwork, before the side formwork is installed.

[0004] Chinese patent application number 202211695305.X discloses a bottom formwork system and construction method for pile foundation caps of cross-sea bridges. The disclosed bottom formwork system comprises a steel box with an opening at the upper end, consisting of a bottom formwork and four side formworks. The inner bottom surface of the bottom formwork and the outer surface of the side formwork are both provided with rib formworks. The bottom formwork and the rib formwork connected to the bottom formwork are provided with a plurality of corresponding through-holes. The upper ends of a plurality of steel pipe piles extend vertically through the plurality of holes into the interior of the steel box. The gap between any steel pipe pile and the steel box is sealed by a sealing assembly. Chinese patent application number 201210479405.9 discloses a steel box system and construction process for underwater high pile cap construction. The disclosed steel box system comprises a load-bearing beam, a steel box, a suspension system, and a corbel. Among them, corbels are welded above the normal water level of the four bored pile steel casings, and the steel hanging box is assembled with the corbels as supports; the steel hanging box is lifted by a suspension system supported on the top of the pile inside the bored pile steel casing, the supporting corbels are cut off, and it is sunk to the design elevation, and a bottom concrete layer is poured in the steel hanging box. The water in the steel hanging box is drained, and in a waterless state, corbels are welded to the four bored pile steel casings again, and the load-bearing beams, the bottom plate of the steel hanging box, the bottom concrete layer and the corbels are consolidated and load-bearing with bolts, and finally the leveling concrete layer, the abutment and the piers are constructed.

[0005] In the above-mentioned prior art disclosed, during the construction process of the steel hanging box pedestal, a large number of construction workers are required to operate with the assistance of cranes and other equipment, and there is no operating protection platform for construction workers on the entire pedestal, which can easily lead to dangers such as falls of construction workers during construction, low construction safety, and prone to danger. Utility Model Content

[0006] The utility model aims to overcome the defects in the above-mentioned prior art and provide a safety protection platform for the installation and disassembly of offshore steel hanging box foundation templates, which can provide safety protection for construction workers and reduce the risk of construction.

[0007] In order to achieve the above-mentioned purpose of the utility model, the utility model adopts the following technical solutions: a safety protection platform for the installation and disassembly of offshore steel hanging box foundation formwork, comprising a concrete base plate and a plurality of steel hanging boxes hoisted on the concrete base plate, the outer ring of the concrete base plate is provided with a bottom protection platform and a plurality of formworks arranged around the concrete base plate, and the plurality of formworks are connected in sequence to form a closed-loop structure arranged around the concrete base plate; a platform module is installed on the top of the formwork, and a plurality of platform modules connected in sequence form a top protection platform.

[0008] As a preferred solution of the present invention, the bottom protection platform is suspendedly connected to the bottom of the concrete base plate, and the bottom of the template is placed on the concrete base plate.

[0009] As a preferred solution of the present invention, part of the bottom protection platform is pre-embedded with the concrete base plate.

[0010] As a preferred solution of the present invention, the platform module includes a platform body and a guardrail arranged on the platform body.

[0011] As a preferred solution of the present invention, the top of the template is provided with a plurality of top support members for supporting the top protection platform, and the platform body is arranged on the top support members.

[0012] As a preferred solution of the present invention, a top connecting portion and a top baffle are respectively provided at both ends of the top support member, the top connecting portion is connected to the template, and the top baffle is located on the outside of the guardrail.

[0013] As a preferred solution of the present invention, the outer ring of the concrete bottom plate is provided with a plurality of bottom support members for supporting the bottom protection platform.

[0014] As a preferred solution of the present invention, the bottom protection platform is arranged on the bottom support member.

[0015] As a preferred solution of the present invention, the bottom support member is provided with a bottom connecting portion for connecting to the concrete bottom plate, and the bottom support member is provided with a bottom baffle located outside the guardrail.

[0016] As a preferred solution of the present invention, a pre-tensioning rod is provided on the outer side of the template along the height direction of the template.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] 1. By setting up the top protection platform and the bottom protection platform on the outside of the formwork, a safe operating space is provided for the construction workers, ensuring their safety and reducing the occurrence of danger. At the same time, the top protection platform is composed of several platform modules, and each platform module includes a platform body and guardrails. The above modular design facilitates the installation of the protection platform and improves the installation efficiency;

[0019] 2. Furthermore, several top support members are set on the top of the formwork to support the top protection platform. At the same time, a bottom support member connected to the concrete base plate is set at the bottom end of the formwork to support the bottom protection platform, thereby strengthening the structural strength of the top protection platform and the bottom protection platform, thereby improving the safety of the protection platform. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural diagram of the utility model;

[0021] Figure 2 It is a top view of the utility model;

[0022] Figure 3 It is a structural diagram of the platform module of the utility model;

[0023] Figure 4 is a schematic diagram of the structure of the top support member;

[0024] Figure 5 This is a schematic diagram of the bottom support structure

[0025] Figure markings: template 1, platform module 101, platform body 1011, guardrail 1012, top protection platform 102, top support 1021, top connecting part 1022, top baffle 1023, bottom protection platform 103, bottom support 1031, bottom connecting part 1032, bottom baffle 1033, pre-tensioning rod 104, steel hanging box 201, concrete bottom plate 201. DETAILED DESCRIPTION

[0026] The following is a detailed description of the embodiments of the present invention with reference to the accompanying drawings.

[0027] like Figure 1-Figure 5 As shown, a safety protection platform for the installation and disassembly of offshore steel box foundation formwork includes a concrete base plate 2 and several steel boxes 201 hoisted on the concrete base plate 2. The outer ring of the concrete base plate 2 is provided with a bottom protection platform 103 arranged around the concrete base plate 2 and several formworks 1, and the several formworks 1 are connected in sequence to form a closed-loop structure arranged around the concrete base plate 2; a platform module 101 is installed on the top of the formwork 1, and several platform modules 101 connected in sequence form a top protection platform 102.

[0028] Furthermore, the formwork 1 is a steel structural plate, and the formwork 1 forms a closed-loop structure around the steel hanging box 201. The protective platform 1 is fixedly arranged on the outer wall of the formwork 1. At the same time, the protective platform 1 is spliced ​​together by a number of platform modules 101, thereby forming a closed-loop structure arranged around the formwork 1. By arranging the protective platform 1 on the outside of the formwork 1, a safe operating space is provided for the construction personnel, thereby ensuring the safety of the construction personnel and reducing the occurrence of danger. In addition, the protective platform 1 is composed of a number of platform modules 101, and each platform module 101 includes a platform body 1011 and a guardrail 1012. The above modular design facilitates the installation of the protective platform 1 and improves the efficiency of the installation.

[0029] The bottom protection platform 103 is suspended and connected to the bottom of the concrete base plate 2. The bottom of the formwork 1 is placed on the concrete base plate 2. Part of the bottom protection platform 103 is pre-embedded with the concrete base plate 2. The platform module 101 includes a platform body 1011 and a guardrail 1012 arranged on the platform body 1011. Furthermore, the top protection platform 102 is arranged at the top of the formwork 1, and the top protection platform 102 is a closed-loop structure arranged around the formwork 1. In addition, the bottom protection platform 103 is arranged at the bottom end of the formwork 1, and the bottom protection platform 103 is a closed-loop structure arranged around the formwork 1. At the same time, the top protection platform 102 and the bottom protection platform 103 are both formed by connecting a number of platform modules 101 flatly.

[0030] The top of the template 1 is provided with several top support members 1021 for supporting the top protection platform 102. The platform body 1011 is arranged on the top support member 1021. Furthermore, the top support member 1021 is extended toward the outside of the template 1, and the top support member 1021 is in a horizontal state. The top protection platform 102 is fixedly set on the top support member 1021. The top support member 1021 realizes the supporting effect of the top protection platform 102, increases the structural strength of the top protection platform 102, and thereby improves the safety of the top protection platform 102.

[0031] Specifically, the platform body 1011 is arranged on the top support member 1021, and a top connecting part 1022 and a top baffle 1023 are respectively provided at both ends of the top support member 1021. The top connecting part 1022 is connected to the template 1, and the top baffle 1023 is located on the outside of the guardrail 1012. Furthermore, the top connecting part 1022 is fixed to the top of the template 1 by bolts, and the top baffle 1023 is vertically arranged on the outer end of the top support member 1021.

[0032] The outer circle of the concrete base plate 2 is provided with a number of bottom support members 1031 for supporting the bottom protection platform 103. Furthermore, the concrete base plate 201 is a cast concrete structure, and the formwork 1 is fixedly arranged on the concrete base plate 201. The bottom support members 1031 are fixedly connected to the edge of the concrete base plate 201. The bottom support members 1031 are an L-shaped structure consisting of horizontal beams and vertical beams. The bottom protection platform 103 is fixed on the bottom support members 1031. The bottom protection platform 103 is supported by the bottom support members 1031, thereby increasing the structural strength of the bottom protection platform 103 and thereby improving the safety of the bottom protection platform 103.

[0033] The bottom protection platform 103 is arranged on the bottom support member 1031. Specifically, the platform body 1011 is fixedly set on the crossbeam, and a bottom connecting portion 1032 for connecting the concrete bottom plate 201 is provided on the bottom support member 1031, and a bottom baffle 1033 located on the outside of the guardrail 1012 is provided on the bottom support member 1031. Furthermore, the bottom connecting portion 1032 is arranged at the top of the vertical beam, and the bottom connecting portion 1032 is fixed to the concrete bottom plate 201 by bolts, and the bottom baffle 1033 is arranged at the end of the crossbeam.

[0034] The outer side of the template 1 is provided with a pre-tensioning rod 104 arranged along the height direction of the template 1. Furthermore, a plurality of pre-tensioning rods 104 are provided in the circumferential direction of the template 1. The structural strength of the template 1 is enhanced by the provision of the plurality of pre-tensioning rods 104.

[0035] The above description of the disclosed embodiments will enable those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein, but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

[0036] Although this document frequently uses the following terms in the figures: formwork 1, platform module 101, platform body 1011, guardrail 1012, top protective platform 102, top support member 1021, top connection portion 1022, top baffle 1023, bottom protective platform 103, bottom support member 1031, bottom connection portion 1032, bottom baffle 1033, pre-tensioning rod 104, steel hanging box 201, concrete bottom plate 201, etc., the possibility of using other terms is not excluded. The use of these terms is merely to more conveniently describe and explain the essence of the present invention; interpreting them as any additional limitation is contrary to the spirit of the present invention.

Claims

1. A safety protection platform for installing and disassembling offshore steel hanging box foundation templates, comprising a concrete base plate (2) and a plurality of steel hanging boxes (201) hoisted on the concrete base plate (2), characterized in that: The outer ring of the concrete base plate (2) is provided with a bottom protection platform (103) arranged around the concrete base plate (2) and a plurality of templates (1), and the plurality of templates (1) are sequentially connected to form a closed loop structure arranged around the concrete base plate (2); a platform module (101) is installed on the top of the template (1), and the plurality of platform modules (101) connected in sequence form a top protection platform (102).

2. A safety protection platform for installation and disassembly of offshore steel hanging box cap template according to claim 1, characterized in that: The bottom protection platform (103) is connected to the bottom of the concrete base plate (2) in a hanging manner, and the bottom of the template (1) is placed on the concrete base plate (2).

3. A safety protection platform for installation and disassembly of offshore steel hanging box cap template according to claim 2, characterized in that: Part of the bottom protection platform (103) is pre-buriedly connected to the concrete base plate (2).

4. A safety protection platform for installation and removal of offshore steel hanging box cap template according to claim 1, characterized in that: The platform module (101) comprises a platform body (1011) and a guardrail (1012) arranged on the platform body (1011).

5. A safety protection platform for installation and removal of offshore steel hanging box cap template according to claim 2, characterized in that: The top of the template (1) is provided with a plurality of top support members (1021) for supporting the top protection platform (102), and the platform body (1011) is arranged on the top support members (1021).

6. A safety protection platform for installation and removal of offshore steel hanging box cap template according to claim 5, characterized in that: The top supporting member (1021) is provided with a top connecting portion (1022) and a top baffle (1023) at both ends, the top connecting portion (1022) is connected to the template (1), and the top baffle (1023) is located outside the guardrail (1012).

7. A safety protection platform for installation and removal of offshore steel hanging box cap template according to claim 2, characterized in that: The outer ring of the concrete bottom plate (2) is provided with a plurality of bottom support members (1031) for supporting the bottom protection platform (103).

8. A safety protection platform for installation and removal of offshore steel hanging box cap template according to claim 7, characterized in that: The bottom protection platform (103) is arranged on the bottom support member (1031).

9. A safety protection platform for installation and removal of offshore steel hanging box cap template according to claim 7, characterized in that: The bottom support member (1031) is provided with a bottom connection portion (1032) for connecting to the concrete bottom plate (2), and the bottom support member (1031) is provided with a bottom baffle (1033) located outside the guardrail (1012).

10. A safety protection platform for installation and removal of offshore steel hanging box cap template according to claim 1, characterized in that: The outer side of the template (1) is provided with a pre-tensioning rod (104) arranged along the height direction of the template (1).

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