Bridge steel bar lowering platform

Abstract

The utility model discloses a bridge reinforcing steel bar lowering platform, which belongs to the technical field of bridge construction operation platforms and comprises standard operation platforms, a safety ladder and a lowering support structure, and the standard operation platforms can be stacked in multiple layers along with the height of a bent cap. Specifically, any one of the multiple layers of stacked standard operation platforms is formed by connecting a plurality of stair modules and standard modules end to end, the stair modules are used for constructors to walk among the multiple layers of standard operation platforms, and the standard modules are used for being connected with the stair modules. Therefore, constructors can bind reinforcing steel bars in the same-layer standard operation platform, the reinforcing steel bar framework can be supported by 20 cm or above by lowering the supporting structure, concrete cushion blocks can be installed at the bottom of the reinforcing steel bar framework after the bottom of the reinforcing steel bar framework is bound and all the reinforcing steel bar framework is bound and formed, then the lowering height of the reinforcing steel bar framework is synchronously adjusted, and the reinforcing steel bar framework can be supported by 20 cm or above. And the whole steel reinforcement framework is lowered to the bottom formwork.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge construction work platforms, in particular to a bridge reinforcement lowering platform. Background Art

[0002] At present, during the construction of the cap beam, the cap beam steel bars need to be tied and welded as a whole in the steel bar yard according to the requirements of the drawings to ensure the accuracy of the steel bar size and quantity. At the same time, the processed cap beam steel bars are installed above the pier by hoisting.

[0003] Obviously, in the existing construction process, the lifting needs to be bound in advance, and it needs to be slowly lifted by a crane and placed on the paved cap beam bottom plate. This construction method helps to shorten the construction period, but at the same time the construction cost will also increase. In addition, lifting steel bars at the construction site also has certain risks. If the steel bars become loose during the lifting process, engineering accidents are very likely to occur, causing casualties and property losses. Utility Model Content

[0004] To this end, the utility model provides a bridge reinforcement lowering platform, which replaces the use of a crane to install the cap beam reinforcement to solve the problems of high construction cost and low safety in the prior art.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] The utility model discloses a bridge reinforcement lowering platform, which adopts a modular design and is used to lower the bound cap beam reinforcement as a whole onto the bottom template surface, and is characterized in that it comprises:

[0007] The standard working platform is annular and arranged around the bottom surface of the cap beam, and multiple layers of standard working platforms are stacked in multiple layers according to the height of the cap beam, wherein any layer of the standard working platform is formed by connecting a number of stair modules and standard modules end to end;

[0008] A safety ladder is vertically arranged outside the standard working platform and is connected to the standard working platform through a horizontal passage;

[0009] A lower support structure is arranged on the top of the standard working platform, suitable for raising the steel frame by more than 20 cm, and a support beam is arranged at the bottom of the standard working platform;

[0010] Among them, the bottom of the steel frame is installed and tied, and after all the tying is formed, a concrete pad is installed at the bottom of the steel frame, and then the height of the steel frame is adjusted and lowered synchronously so that the steel frame is lowered as a whole onto the bottom formwork.

[0011] Furthermore, the lowering support structure comprises:

[0012] Profile, with a steel reinforcement frame placed on the top and the bottom against the top support;

[0013] The upper end of the adjusting rod is connected to the top support, and the lower end is installed on the supporting corbel;

[0014] The adjusting support rod is suitable for moving in the supporting corbel and lifting the profile connected to the steel bar skeleton upwards through the jacking.

[0015] Furthermore, the safety ladder is composed of a plurality of ladder modules arranged vertically, the top of which is connected to a horizontal channel, and a base is provided at the bottom, and the ladder module includes:

[0016] The frame is in the shape of a cube, with protective nets arranged on the sides and a load-bearing plate at the bottom;

[0017] A ladder frame is obliquely arranged in the frame, and the two ends of the ladder frame are connected to two load plates.

[0018] Furthermore, the staircase module comprises:

[0019] The bottom frame has a pair of vertical frames arranged vertically at the front and rear ends, the supporting brackets are arranged vertically on the vertical frames, a guardrail is arranged between the pair of vertical frames, and the bottom of the guardrail is screwed and fixed to the bottom frame;

[0020] The top frame has a ladder on its bottom surface, and the bottom frame is connected to the bottom frame through the ladder.

[0021] Furthermore, the top frame includes a steel plate and a support frame, the support frame is fixed on the top of a pair of vertical frames, the support frame is paved with a steel plate, and the steel plate is printed with anti-slip patterns.

[0022] Furthermore, a safety net is provided on the guardrail, and the safety net is coated with anti-rust paint.

[0023] Furthermore, reflective strips are attached to the outer surfaces of the staircase module and the standard module.

[0024] The utility model has the following advantages:

[0025] The utility model sets up a bridge steel bar lowering platform on the pier column, installs and binds the steel bar skeleton at the bottom, and after all the bindings are formed, installs concrete pads at the bottom of the steel bar skeleton, and then synchronously adjusts the height of the lowered steel bar skeleton, so that the steel bar skeleton is lowered onto the bottom formwork as a whole. Compared with the prior art, there is no need to use a crane to lift the steel bars, and the work of binding the steel bars and pouring cement can be completed directly above the pier column during the construction project, thereby effectively reducing the construction difficulty and construction cost, and improving the safety of the construction site. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0027] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0028] Figure 1 A three-dimensional diagram of the steel bar lowering platform provided by the utility model;

[0029] Figure 2 A side view of the steel bar lowering platform provided by the utility model;

[0030] Figure 3 A schematic diagram of the lowering support structure provided by the utility model;

[0031] Figure 4 A top view of the staircase module provided by the utility model;

[0032] Figure 5 A front view of the staircase module provided by the utility model;

[0033] In the figure: 1 standard working platform; 2 stair module; 21 bottom frame; 22 guardrail; 23 top frame; 231 steel plate; 232 support frame; 24 vertical frame; 25 ladder; 3 safety ladder; 31 frame; 33 ladder frame; 32 protection net; 4 horizontal channel; 5 lower support structure; 51 profile; 52 top support; 53 adjustment support rod; 54 support corbel; 6 standard module; 7 support beam. DETAILED DESCRIPTION

[0034] The following is a specific embodiment of the present invention. People familiar with the technology can easily understand the other advantages and functions of the present invention from the contents disclosed in this specification. Obviously, the described embodiment is a part of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] Please refer to Figure 1-Figure 5The bridge reinforcement lowering platform disclosed in the utility model adopts a modular design and is used to lower the bound cap beam reinforcement as a whole onto the bottom template surface. The technical solution is specifically described below.

[0036] In some embodiments, Figure 1 and Figure 2 The main structure of the bridge reinforcement lowering platform includes a standard working platform 1, a safety ladder 3 and a lowering support structure 5. The standard working platform 1 is annular in shape and is arranged around the bottom surface of the cap beam. When constructing, the standard working platform 1 can be stacked in multiple layers according to the height of the cap beam.

[0037] Specifically, a support beam 7 is provided at the bottom of the standard working platform 1, and any layer of the multi-layered standard working platforms 1 is formed by connecting a number of stair modules 2 and standard modules 6 end to end, wherein the stair module 2 is used for construction workers to walk between the multi-layered standard working platforms 1, and the standard module 6 is used to connect the stair module 2, so that the construction workers can tie and weld steel bars in the standard working platform 1 on the same layer.

[0038] In this embodiment, a safety ladder 3 is vertically arranged on the outside of the standard working platform 1, and the safety ladder 3 is connected to the standard working platform 1 through a horizontal channel 4, wherein the safety ladder 3 can be used for people to walk, and can also be installed with a lift to transport construction materials.

[0039] In a specific embodiment disclosed in the present utility model, Figure 3 A lowering support structure 5 is installed on the top of the standard working platform 1, that is, on the standard module 6 and the stair module 2, wherein the lowering support structure 5 includes a profile 51, an adjusting support rod 53 and a supporting corbel 54, the profile 51 is a channel steel or an I-beam, the tied steel bar skeleton is placed on the top of the profile 51, the bottom of the profile 51 is against the top support 52, and the top support 52 is arranged at the upper end of the adjusting support rod 53, and the lower end of the adjusting support rod 53 is installed on the supporting corbel 54, wherein the adjusting support rod 53 is suitable for moving in the supporting corbel 54 and lifting the profile 51 connected to the steel bar skeleton upward through the top support 52.

[0040] In specific use, a horizontal bearing can be set between the adjustment support rod 53 and the support bracket 5 to reduce the horizontal force of the overall manual adjustment and tightening. Specifically, the lowering support structure 5 is suitable for raising the steel skeleton by more than 20 cm. When the bottom of the steel skeleton is installed and tied, and after all the tying is formed, a concrete pad is installed at the bottom of the steel skeleton, and then the height of the lowered steel skeleton is adjusted synchronously, so that the steel skeleton is lowered to the bottom template as a whole. On this basis, further, for the overweight cap beam steel bars, a manual small jack or an automatic pump station jack group can also be used to realize the overall lowering operation.

[0041] In this embodiment, if Figure 2 The safety ladder 3 is composed of several ladder modules arranged vertically, the top is connected to the horizontal channel 4, and the bottom is provided with a base. The ladder module includes a frame 31 and a ladder frame 33. The frame 31 is in a cubic shape, and a protective net 32 ​​is arranged on the side of the frame 31, and a load plate is arranged at the bottom. The ladder frame 33 is tilted in the frame 31, and the ladder frame 33 is connected to two load plates at both ends, thereby supporting and strengthening the structural strength.

[0042] In some embodiments, Figure 4 and Figure 5 The stair module 2 includes a base frame 21 and a top frame 23. A pair of upright frames 24 are vertically arranged at the front and rear ends of the base frame 21. Supporting brackets 54 are vertically arranged on the upright frames 24. A guardrail 22 is arranged between the pair of upright frames 24. The bottom of the guardrail 22 is screwed and fixed to the base frame 21. In addition, a ladder 25 is arranged on the bottom surface of the top frame 23, and the base frame 21 is connected to the base frame 21 through the ladder 25.

[0043] In this embodiment, a safety net is provided on the guardrail 22, and the safety net is coated with anti-rust paint. The top frame 23 includes a steel plate 231 and a support frame 232, and the support frame 232 is fixed on the top of a pair of vertical frames 24, and the support frame 232 is paved with a steel plate 231, and the steel plate 231 is printed with anti-slip patterns.

[0044] In this embodiment, reflective strips are attached to the outer surfaces of the stair module 2 and the standard module 6 to serve as a warning at night.

[0045] Although the utility model has been described in detail above with general descriptions and specific embodiments, it is obvious to those skilled in the art that some modifications or improvements can be made to the utility model. Therefore, these modifications or improvements made without departing from the spirit of the utility model are within the scope of protection claimed by the utility model.

Claims

1. A bridge reinforcement lowering platform adopts a modular design and is used to lower the bound cap beam reinforcement as a whole onto the bottom formwork surface, characterized in that: include: The standard working platform (1) is annular and arranged around the bottom surface of the cap beam, and multiple layers of standard working platforms (1) are stacked in multiple layers according to the height of the cap beam, wherein any layer of the standard working platform (1) is formed by connecting a plurality of stair modules (2) and standard modules (6) end to end; A safety ladder (3) is vertically arranged outside the standard working platform (1) and is connected to the standard working platform (1) through a horizontal passage (4); A lower support structure (5) is arranged on the top of the standard working platform (1) and is suitable for raising the steel frame by more than 20 cm. A support beam (7) is arranged at the bottom of the standard working platform (1); Among them, the bottom of the steel frame is installed and tied, and after the steel frame is fully tied and formed, a concrete pad is installed at the bottom of the steel frame, and then the height of the steel frame is adjusted and lowered synchronously so that the steel frame is lowered as a whole onto the bottom formwork.

2. The bridge reinforcement lowering platform as claimed in claim 1, characterized in that: The lowering support structure (5) comprises: The profile (51) has a steel reinforcement frame placed on the top and a top support (52) at the bottom; An adjusting support rod (53) is connected to the top support (52) at its upper end and mounted on the supporting bracket (54) at its lower end; The adjusting support rod (53) is suitable for moving in the supporting corbel (54) and lifting the profile (51) connected to the steel bar skeleton upwards through the jacking (52).

3. The bridge reinforcement lowering platform as claimed in claim 1, characterized in that: The safety ladder (3) is composed of a plurality of ladder modules arranged vertically, the top of which is connected to the horizontal channel (4) and the bottom of which is provided with a base. The ladder modules include: The frame (31) is in the shape of a cube, with a protective net (32) arranged on the side and a load-bearing plate arranged on the bottom; A ladder frame (33) is obliquely arranged in the frame (31), and the ladder frame (33) is connected to two load-bearing plates at both ends.

4. The bridge reinforcement lowering platform as claimed in claim 2, characterized in that: The staircase module (2) comprises: A bottom frame (21) is provided with a pair of vertical frames (24) at the front and rear ends, the vertical frames (24) are provided with the supporting brackets (54) vertically, a guardrail (22) is provided between the pair of vertical frames (24), and the bottom of the guardrail (22) is screwed and fixed to the bottom frame (21); The top frame (23) has a ladder (25) disposed on its bottom surface, and the bottom frame (21) is connected to the bottom frame (21) via the ladder (25).

5. The bridge reinforcement lowering platform as claimed in claim 4 is characterized in that: The top frame (23) comprises a steel plate (231) and a support frame (232), wherein the support frame (232) is fixed on the top of a pair of upright frames (24), a steel plate (231) is laid on the support frame (232), and anti-slip patterns are printed on the steel plate (231).

6. The bridge reinforcement lowering platform as claimed in claim 4, characterized in that: The guardrail (22) is provided with a safety net, and the safety net is coated with anti-rust paint.

7. The bridge reinforcement lowering platform as claimed in claim 1, characterized in that: The outer surfaces of the staircase module (2) and the standard module (6) are provided with reflective strips.

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