Prefabricated tensioning safety platform for prestressed steel box concrete cover beam

Abstract

The utility model discloses an assembly type tensioning safety platform for a prestressed steel box concrete cover beam. The upper longitudinal beam is arranged on the upper cross beam, the upper longitudinal beam and the upper cross beam are provided with screw holes at different intervals, the upper longitudinal beam and the upper cross beam are connected through screws, and the screw holes at different intervals are arranged, so that the interference effect of a capping beam top pad stone on the arrangement of the upper cross beam is avoided; the lower longitudinal beams are arranged and welded on the lower cross beams according to a certain interval and serve as a steel plate net support, and the slidable reverse buckling devices are fixed on the upper cross beams and reversely buckled on a steel cover beam top plate through U-shaped buckles and screws. The platform solves the problem that constructors do not have an operation platform in the construction procedures of pulling out steel pipes, pulling steel strands, tensioning prestress, releasing and the like of the prestressed steel box concrete cover beam. The adjustable component of the platform can adapt to cover beam structure forms with different widths and heights, the slidable reverse buckling device is fixed to the top of the cover beam, no welding is needed, and damage to the cover beam structure caused by a large amount of welding and dismantling is avoided.

Description

Technical Field

[0001] The utility model relates to the field of cap beam assembly construction, in particular to an assembled tensioning safety platform for a prestressed steel box concrete cap beam. Background Art

[0002] Steel cap beams are widely used due to their simplified structure, convenient construction, low steel consumption, and reasonable force. At present, the prestressed steel box concrete cap beams are usually constructed by setting up steel pipe scaffolding or climbing work vehicles as the operating platform for the construction process such as strand threading, prestressing tensioning, and tensioning. However, this method still has many problems:

[0003] (1) The erection and dismantling of steel pipe scaffolding involves too much high-altitude work, which poses a high safety risk.

[0004] (2) The erection of steel pipe scaffolding has high requirements on the bearing capacity of the foundation, and the foundation needs to be treated.

[0005] (3) Steel pipe scaffolding needs to be attached and fixed, and there are no structural fixings, which poses safety and stability issues.

[0006] (4) A aerial platform is used as the operating platform, which causes large vibrations and poor stability.

[0007] (5) Using aerial platforms as operating platforms requires a large number of machines and drivers, resulting in poor economic benefits and low efficiency.

[0008] (6) The use of aerial work platforms has strict requirements on site space and requires the use of space outside the red line. There may be buildings outside the red line, leaving no space for operation. Utility Model Content

[0009] Therefore, in order to solve the above-mentioned shortcomings, the utility model provides a prestressed steel box concrete cap beam assembly tensioning safety platform; this platform solves the problem that the construction personnel have no operating platform during the construction processes of the prestressed steel box concrete cap beam, such as steel pipe pulling out, steel strand threading, prestressing tensioning, and tensioning. The adjustable components of this platform can adapt to cap beam structures of different widths and heights, and the sliding buckle device can be fixed on the top of the cap beam without any welding, avoiding the damage of the cap beam structure itself caused by a large amount of welding and dismantling.

[0010] The utility model is realized by constructing a prestressed steel box concrete cap beam assembled tensioning safety platform, which provides a safe and reliable operating space for construction processes such as strand threading, prestressing tensioning and tensioning, and is characterized in that: the safety platform structure comprises: an upper cross beam (1), an upper longitudinal beam (2), a lower cross beam (3), a lower longitudinal beam (4), a telescopic vertical rod (5), a slidable reverse buckle device (6), and a steel plate mesh (7); the upper longitudinal beam (2) is arranged on the upper cross beam (1), and the upper longitudinal beam (2 ) and the upper cross beam (1) are provided with screw holes at different intervals, and are connected by screws. Screw holes at different intervals are provided to solve the interference of the top pad stone of the cap beam on the arrangement of the upper cross beam. The lower cross beam (3) is connected with the telescopic vertical rod (5) and acts on the upper longitudinal beam (2). The lower longitudinal beam (4) is welded to the lower cross beam (3) at a certain interval and serves as a support for the steel plate mesh (7). The slidable reverse buckle device (6) is fixed on the upper cross beam (1) and reverse buckled on the top plate of the steel cap beam through a U-shaped buckle and screws.

[0011] According to the utility model, a prestressed steel box concrete cap beam assembled tensioning safety platform is characterized in that the upper cross beam (1) is made of a rectangular steel pipe and is placed on the cap beam top plate. A screw hole is provided on the upper cross beam and is connected to the slidable reverse buckle device (6) through the screw.

[0012] According to the utility model, a prestressed steel box concrete cap beam assembled tensioning safety platform is characterized in that the telescopic vertical rod (5) is a rectangular tube, screw holes with a certain interval are provided on the rectangular tube, and the connection is carried out through the screw rod to realize the telescopic function of the vertical rod.

[0013] According to the utility model, a prestressed steel box concrete cap beam assembled tensioning safety platform is characterized in that a steel plate mesh is arranged on the lower longitudinal beam (4) as a stepping foundation for workers.

[0014] According to the utility model, a prestressed steel box concrete cap beam assembled tensioning safety platform is characterized in that it also includes assembled guardrails, which are arranged around the tensioning platform;

[0015] It also includes a skirting board, which is arranged at the bottom of the assembled guardrail to prevent debris from falling and injuring people.

[0016] According to the utility model, a prestressed steel box concrete cap beam assembled tensioning safety platform is characterized by: further comprising vertical steel sections (8): the vertical steel sections are welded on the horizontal steel sections to serve as safety cage supports; and further comprising horizontal steel sections (9): arranged between the two lower cross beams (3).

[0017] According to the utility model, a prestressed steel box concrete cap beam assembled tensioning safety platform is characterized in that the structure is fixed on the top plate of the cap beam, avoiding the need to process the foundation, saving construction costs, and not occupying the construction space under the cap beam.

[0018] The utility model has the following advantages: The utility model provides a prestressed steel box concrete cap beam assembly tensioning safety platform; the platform solves the problem that the construction personnel have no operating platform during the construction processes of steel pipe pulling out, steel strand threading, prestressing, and tensioning of the prestressed steel box concrete cap beam. The adjustable components of this platform can adapt to cap beam structures of different widths and heights, and the sliding reverse buckle device can be fixed on the top of the cap beam without any welding, avoiding the damage of the cap beam structure itself caused by a large amount of welding and removal. The patent has the following advantages and beneficial effects: (1) This structure provides a safe and reliable operating space for the construction processes of steel strand threading, prestressing, and tensioning. (2) This structure is fixed on the top plate of the cap beam, avoiding the need to treat the foundation, saving construction costs, and not occupying the construction space under the cap beam. (3) This structure has clear force, simple operation, and is convenient, fast, and efficient to install, remove, and transport as a whole. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a prestressed steel box concrete cap beam assembled tension safety platform elevation drawing;

[0020] Figure 2 It is a side view of a prestressed steel box concrete cap beam assembled tension safety platform.

[0021] Among them: upper cross beam 1, upper longitudinal beam 2, lower cross beam 3, lower longitudinal beam 4, telescopic vertical rod 5, slidable buckle device 6, steel plate mesh 7, vertical steel 8, horizontal steel 9. DETAILED DESCRIPTION

[0022] The following will be combined with the attached Figure 1-Figure 2 The utility model is described in detail, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The utility model provides a prestressed steel box concrete cap beam assembly tensioning safety platform, which provides a safe and reliable operating space for the construction processes such as steel strand threading, prestressing tensioning and tensioning. Figure 1-Figure 2As shown, the structure of the patent includes: upper cross beam 1, upper longitudinal beam 2, lower cross beam 3, lower longitudinal beam 4, telescopic vertical rod 5, slidable reverse buckle device 6, steel plate mesh 7; upper longitudinal beam 2 is arranged on upper cross beam 1, upper longitudinal beam 2 and upper cross beam 1 are provided with screw holes with different spacings, connected by screws, and screw holes with different spacings are set to solve the interference problem of the top pad stone of the cap beam on the arrangement of the upper cross beam, and the lower cross beam 3 is connected with the telescopic vertical rod 5, acting on the upper longitudinal beam 2. The lower longitudinal beam 4 is welded to the lower cross beam 3 at a certain spacing as a support for the steel plate mesh 7. The slidable reverse buckle device 6 is fixed on the upper cross beam 1, and reversely buckled on the top plate of the steel cap beam through the U-shaped buckle and the screw.

[0024] In the present application, the upper cross beam 1 is made of a rectangular steel pipe, which is placed on the top plate of the cap beam. A screw hole is opened on the upper cross beam, which is connected to the slidable reverse buckle device 6 through a screw.

[0025] In the present application, telescopic vertical rod 5: large and small rectangular tubes are set, and screw holes with a certain spacing are opened on the rectangular tubes, which are connected by screws to realize the telescopic function of the vertical rod.

[0026] In the present application, a steel plate mesh is laid on the lower longitudinal beam 4 as a foundation for workers to step on.

[0027] In the present application, it also includes a prefabricated guardrail, which is arranged around the tensioning platform.

[0028] It also includes a skirting board, which is arranged at the bottom of the assembled guardrail to prevent debris from falling and injuring people.

[0029] In the present application, it also includes vertical steel sections 8: the vertical steel sections are welded on the horizontal steel sections to serve as safety cage supports; and it also includes horizontal steel sections 9: arranged between the two lower cross beams 3.

[0030] In the present application, this structure is fixed on the top plate of the cap beam, avoiding the need to treat the foundation, saving construction costs, and not occupying the construction space under the cap beam.

[0031] The specific structure of this patent is described in detail below:

[0032] Upper crossbeam: A rectangular steel pipe is used and placed on the top plate of the cap beam. Screw holes are opened on the crossbeam and connected to the slidable reverse buckle device through screws.

[0033] Upper longitudinal beam: The upper longitudinal beam is arranged on the upper cross beam. The upper longitudinal beam and the upper cross beam are provided with screw holes at different intervals and are connected by screws. The screw holes at different intervals are set to solve the interference problem of the top pad stone of the cap beam on the arrangement of the upper cross beam.

[0034] Lower crossbeam: The lower crossbeam is connected to the telescopic vertical rod and acts on the upper longitudinal beam.

[0035] Lower longitudinal beam: The lower longitudinal beam is arranged and welded to the lower cross beam at a certain interval to serve as a steel mesh support.

[0036] Telescopic vertical rod: large and small rectangular tubes are set, screw holes with certain intervals are opened on the rectangular tubes, and the screws are used to connect them to realize the telescopic function of the vertical rod.

[0037] Slidable buckle device: fixed on the upper cross beam, buckled on the top plate of the steel cap beam through U-shaped buckles and screws.

[0038] Steel plate mesh: Steel plate mesh is laid on the lower longitudinal beam as a foundation for workers to step on.

[0039] Prefabricated guardrail: Prefabricated guardrail is installed around the tensioning platform.

[0040] Skirting board: A skirting board is installed at the bottom of the assembled guardrail to prevent debris from falling and injuring people.

[0041] Vertical steel: Vertical steel is welded on the horizontal steel to serve as a safety cage support.

[0042] Horizontal steel: arranged between two lower beams.

[0043] This patent has the following advantages and beneficial effects: (1) This structure provides a safe and reliable operating space for the construction processes of strand threading, prestressing, and tensioning. (2) This structure is fixed on the top plate of the cap beam, avoiding the need to treat the foundation, saving construction costs, and not occupying the construction space under the cap beam. (3) This structure has clear force, simple operation, and is convenient, fast, and efficient for overall installation, removal, and transportation.

[0044] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be 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 will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A prestressed steel box concrete cap beam assembled tension safety platform, characterized in that; The safety platform structure comprises: an upper crossbeam (1), an upper longitudinal beam (2), a lower crossbeam (3), a lower longitudinal beam (4), a telescopic vertical rod (5), a slidable reverse buckle device (6), and a steel plate mesh (7); the upper longitudinal beam (2) is arranged on the upper crossbeam (1), the upper longitudinal beam (2) and the upper crossbeam (1) are provided with screw holes with different spacings, and are connected by screws; the lower crossbeam (3) is connected to the telescopic vertical rod (5) and acts on the upper longitudinal beam (2); the lower longitudinal beam (4) is arranged and welded on the lower crossbeam (3) as a support for the steel plate mesh (7); the slidable reverse buckle device (6) is fixed on the upper crossbeam (1), and is reverse buckled on the top plate of the steel cap beam by means of U-shaped buckles and screws.

2. According to claim 1, a prestressed steel box concrete cap beam assembled tension safety platform, characterized in that; The upper cross beam (1) is made of a rectangular steel pipe and is placed on the top plate of the cap beam. A screw hole is provided on the upper cross beam and is connected to the slidable reverse buckle device (6) via the screw.

3. According to claim 1, a prestressed steel box concrete cap beam assembled tension safety platform, characterized in that; The telescopic vertical rod (5) is a rectangular tube, on which screw holes are provided at a certain interval, and the connection is performed through the screws to realize the telescopic function of the vertical rod.

4. According to claim 1, a prestressed steel box concrete cap beam assembled tension safety platform is characterized in that; A steel plate mesh is laid on the lower longitudinal beam (4) to serve as a footing for workers.

5. According to claim 1, a prestressed steel box concrete cap beam assembled tension safety platform is characterized in that; It also includes an assembled guardrail, which is arranged around the tensioning platform; It also includes a skirting board, which is arranged at the bottom of the assembled guardrail to prevent debris from falling and injuring people.

6. According to claim 1, a prestressed steel box concrete cap beam assembled tension safety platform is characterized in that; It also includes vertical steel (8) which is welded on the horizontal steel to serve as a safety cage support; and horizontal steel (9) which is arranged between the two lower cross beams (3).

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