Temporary supporting device for construction of large bent cap of bridge

By combining the design of cross-connecting steel pipes, reinforcing steel pipes, main load-bearing crossbeams, and diagonal bracing steel pipes, the stability and construction efficiency of the support devices in the construction of large bridge cap beams have been solved, achieving efficient temporary support for bridge piers.

CN223593238UActive Publication Date: 2025-11-25CHONGQING TIEGU ENG TECH CO LTD
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Patent Information

Application Number
CN202423207048.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-11-25
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

In the construction of large bridge cap beams, the temporary support devices are simple in structure and involve a lot of welding work. It is difficult to ensure the verticality of the load-bearing components, resulting in generally weak support strength and stability, which affects construction efficiency.

Method used

The design employs a combination of horizontal connecting steel pipes, reinforcing steel pipes, and the first and second main load-bearing crossbeams and distribution beams, along with diagonal bracing steel pipes and reinforcing steel pipes, to form a stable triangular support structure. The verticality and stability of the main support column steel pipes are ensured through bolt connections and welding.

Benefits of technology

It improved the stability of the support and the efficiency of construction, provided temporary support for the bridge piers, had a certain support strength, and simplified the dismantling process.

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Abstract

The utility model discloses a temporary supporting device for building a large-scale bent cap of a bridge, which relates to the technical field of the large-scale bent cap of the bridge and comprises four main supporting upright post steel pipes, a first main bearing cross beam is fixed at the upper end between every two main supporting upright post steel pipes, and second main bearing cross beams are fixed at two ends of each first main bearing cross beam. Distribution beams are arranged at the upper ends between the first main bearing cross beams and the second main bearing cross beams, an inclined supporting connecting piece is welded to the outer side of the lower end of each main supporting stand column steel pipe, and a first hoop is fixed to the outer side of the upper end of each main supporting stand column steel pipe. According to the temporary supporting device for construction of the large bent cap of the bridge, every two main supporting stand column steel pipes are fixedly connected, and the supporting perpendicularity of the main supporting stand column steel pipes is guaranteed through the levelness of the first main bearing cross beam and the second main bearing cross beam after installation; and the whole forms a stable triangular supporting state by matching with the assembly of the diagonal bracing steel pipe.
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Description

TECHNICAL FIELD

[0001] The utility model relates to bridge large -scale bent cap technical field especially relates to a kind of temporary support device for bridge large -scale bent cap construction. BACKGROUND

[0002] Pier is the substructure that supports bridge span structure and transmits dead load and vehicle live load to foundation, abutment is arranged at the both sides of bridge, and pier is between two abutments, and pier is divided into solid pier, column pier and bent pier, etc., in the process of bridge large -scale bent cap construction, temporary support device is needed to support pier steel pipe.

[0003] Temporary support device in prior art is simple in overall structure for saving dismounting time, usually only single steel pipe is used for combined support, and there are a lot of welding operations to increase construction difficulty, so that the verticality of bearing component is difficult to guarantee, the support strength and stability of overall structure are general, and construction efficiency is affected, therefore, the application provides a kind of temporary support device for bridge large -scale bent cap construction. UTILITY MODEL CONTENTS

[0004] Therefore, it is necessary to provide a kind of temporary support device for bridge large -scale bent cap construction, which is fixed and connected between every two main support column steel pipes by the setting of transverse connection steel pipe and reinforcing steel pipe, and the verticality of main support column steel pipe support is guaranteed after the installation of first main load-bearing crossbeam, second main load-bearing crossbeam and distribution beam, and the assembly of inclined bracing steel pipe and reinforcing steel pipe forms stable triangular support state, effectively improves support stability, realizes the temporary support of pier, and has certain support strength, improves construction efficiency.

[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0006] A kind of temporary support device for bridge large -scale bent cap construction, it is applied to bridge large -scale bent cap;

[0007] Four main support column steel pipes are included, the lower end of each main support column steel pipe is equipped with unloading device, the upper end between every two main support column steel pipes is fixed with first main load-bearing crossbeam, the both ends of each first main load-bearing crossbeam are fixed with second main load-bearing crossbeam, the first main load-bearing crossbeam and second main load-bearing crossbeam are connected by bolt, the upper end between multiple first main load-bearing crossbeams, second main load-bearing crossbeams is provided with distribution beam, the outer side of the lower end of each main support column steel pipe is welded with inclined bracing connecting piece, and the outer side of the upper end of each main support column steel pipe is fixed with first hoop;

[0008] Each two inclined support connecting pieces are fixed with a lateral connecting steel pipe between and at the lower end of the first main load-bearing cross beam, each two first hoops are fixed with a reinforcing steel pipe between and at the upper end of the lateral connecting steel pipe, and the outer side of each inclined support connecting piece is further fixed with an inclined support steel pipe.

[0009] As a preferred embodiment of the temporary support device for bridge large cap beam construction provided by the utility model, each two inclined support connecting pieces are fixed with a lateral connecting steel pipe between and at the lower end of the distribution beam.

[0010] As a preferred embodiment of the temporary support device for bridge large cap beam construction provided by the utility model, the outer side of each inclined support connecting piece is further fixed with an inclined support steel pipe, the upper end of the inclined support steel pipe is fixed with a connecting block between and at the second main load-bearing cross beam.

[0011] As a preferred embodiment of the temporary support device for bridge large cap beam construction provided by the utility model, each two inclined support connecting pieces are fixed with a lateral connecting steel pipe between and at the lower end of the first main load-bearing cross beam, each two first hoops are fixed with a reinforcing steel pipe between and at the upper end of the lateral connecting steel pipe, and the outer side of each inclined support connecting piece is further fixed with an inclined support steel pipe.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The temporary support device for bridge large cap beam construction provided by the utility model is fixed and connected between each two main support column steel pipes through the lateral connecting steel pipe and the reinforcing steel pipe, the horizontal of the main support column steel pipe after installation of the first main load-bearing cross beam, the second main load-bearing cross beam and the distribution beam is guaranteed, the assembly of the inclined support steel pipe and the reinforcing steel pipe makes the whole form a stable triangular support state, the support stability is effectively improved, the temporary support of the pier is realized, and the construction efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the scheme in the utility model, the drawings needed in the embodiment description will be briefly introduced below, and obviously, the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0015] Figure 1 The overall structure schematic view of the temporary support device for bridge large cap beam construction provided by the utility model.

[0016] The mark in the drawing is as follows:

[0017] 1, main support column steel pipe; 2, unloading device; 3, first main load-bearing beam; 4, second main load-bearing beam; 5, distribution beam; 6, inclined support connecting piece; 8, first hoop; 9, transverse connecting steel pipe; 12, reinforcing steel pipe; 13, side connecting steel pipe; 14, inclined bracing steel pipe; 15, connecting block; 16, third hoop; 17, first assembly seat; 18, second assembly seat; 19, reinforcing steel pipe; 20, reinforcing rib. DETAILED DESCRIPTION

[0018] As described in the background art, the prior art temporary support device is simple in overall structure to save disassembly time, usually only uses a single steel pipe for combined support, and has a large amount of welding work to increase construction difficulty, so that the verticality of the load-bearing member cannot be guaranteed, the support strength and stability of the overall structure are general, and the construction efficiency is affected.

[0019] In order to solve the technical problem, the utility model provides a kind of temporary support device for bridge large cap beam construction, it is applied to bridge large cap beam;

[0020] Four main support column steel pipes 1, the lower end of each main support column steel pipe 1 is equipped with unloading device 2, the upper end between every two main support column steel pipes 1 is fixed with first main load-bearing beam 3, the two ends of each first main load-bearing beam 3 are fixed with second main load-bearing beam 4, the upper end between multiple first main load-bearing beams 3, second main load-bearing beam 4 is provided with distribution beam 5, the outer side of the lower end of each main support column steel pipe 1 is welded with inclined support connecting piece 6, and the outer side of the upper end of each main support column steel pipe 1 is fixed with first hoop 8.

[0021] The upper end of each first main load-bearing beam 3 is fixed with second main load-bearing beam 4, the upper end between every two inclined support connecting pieces 6 is fixed with transverse connecting steel pipe 9, the upper end between every two first hoops 8 is fixed with reinforcing steel pipe 12, the outer side of each inclined support connecting piece 6 is also fixed with inclined bracing steel pipe 14, and the upper end of inclined bracing steel pipe 14 and second main load-bearing beam 4 are fixed with connecting block 15.

[0022] The utility model provides a kind of temporary support device for bridge large cap beam construction, by fixed connection between every two main support column steel pipes 1, and the horizontal guarantee main support column steel pipe 1 support verticality after the installation of first main load-bearing beam 3, second main load-bearing beam 4 and distribution beam 5, cooperate with the assembly of inclined bracing steel pipe 14 to make the whole form stable three-angle support state, effectively promote support stability, realize the temporary support to pier, and have certain support strength, improve construction efficiency.

[0023] It should be noted that the embodiments in the utility model and the features and technical solutions in the embodiments can be combined with each other without conflict.

[0024] It should be noted that like reference numerals and letters refer to like items throughout the several views, and once an item is defined in one view, it is not necessary to further define and explain it in the subsequent views.

[0025] Embodiment 1

[0026] Referring to Figure 1 A temporary support device for large cap beam construction of a bridge, comprising four main support column steel pipes 1, the lower end of each main support column steel pipe 1 is equipped with a unloading device 2, which is convenient for stabilizing the support of the device and adjusting the height and level of the device in the later stage, ensuring the shape and perpendicularity thereof, the upper end between every two main support column steel pipes 1 is fixed with a first main load-bearing beam 3, the two ends of each first main load-bearing beam 3 are fixed with a second main load-bearing beam 4, the first main load-bearing beam 3 and the second main load-bearing beam 4 are connected by bolts, the upper end between the plurality of first main load-bearing beams 3 and second main load-bearing beams 4 is provided with a distribution beam 5, which further ensures the perpendicularity of the main support column steel pipe 1 supported by the first main load-bearing beam 3, the second main load-bearing beam 4 and the distribution beam 5 in cooperation;

[0027] The outer side of the lower end of each main support column steel pipe 1 is welded with an inclined support connecting piece 6, the lower end between every two inclined support connecting pieces 6 and located at the first main load-bearing beam 3 is fixed with a transverse connecting steel pipe 9, the lower end between every two inclined support connecting pieces 6 and located at the distribution beam 5 is fixed with a side connecting steel pipe 13, the outer side of the upper end of each main support column steel pipe 1 is fixed with a first hoop 8, the upper end between every two first hoops 8 and located at the transverse connecting steel pipe 9 is fixed with a reinforcing steel pipe 12, realizing the fixed connection between the plurality of main support column steel pipes 1;

[0028] The outer side of each inclined support connecting piece 6 is further fixed with an inclined support steel pipe 14, the upper end between the inclined support steel pipe 14 and the second main load-bearing beam 4 is fixed with a connecting block 15, the center of the outer side of each inclined support steel pipe 14 is fixed with a third hoop 16, the outer side of each third hoop 16 is fixed with a first assembly seat 17, the outer side of each first hoop 8 is fixed with a second assembly seat 18, the outer side of each inclined support steel pipe 14 is provided with a reinforcing steel pipe 19, the two ends of the reinforcing steel pipe 19 are respectively fixed with the first assembly seat 17 and the second assembly seat 18, so that the device forms a stable triangular support state, effectively improves the support stability, realizes the temporary support of the pier, and has a certain support strength, and the setting of the first hoop 8 and the third hoop 16 effectively improves the fixing effect while further facilitating the disassembly in the later stage;

[0029] Embodiment 2

[0030] The temporary support device for large cap beam construction of a bridge provided in embodiment 1 is further optimized, specifically, as shown inFigure 1 As shown, to further improve the support strength of the inclined support steel pipe 14, a reinforcing rib 20 is symmetrically fixed between every two inclined support steel pipes 14 and at the lower end of the distribution beam 5;

[0031] The fixed connection between the main support column steel pipe 1 and the unloading device 2, the main support column steel pipe 1 and the inclined support connecting piece 6, the inclined support connecting piece 6 and the transverse connecting steel pipe 9, and the inclined support connecting piece 6 and the inclined support steel pipe 14 is all bolted, and the angle between the upper end of each inclined support steel pipe 14 and the second main load-bearing cross beam 4 and the angle between the lower end of the inclined support steel pipe 14 and the main support column steel pipe 1 is 45°.

Claims

1. A temporary support device for the construction of large decked beams of bridges, characterized in that, The utility model provides a kind of steel pipe support structure, including four main support column steel pipes (1), the lower end of each main support column steel pipe (1) is equipped with unloading device (2), the upper end between every two main support column steel pipes (1) is fixed with first main load-bearing beam (3), the both ends of each first main load-bearing beam (3) are fixed with second main load-bearing beam (4), the first main load-bearing beam (3) and second main load-bearing beam (4) are bolted, and the upper end between multiple first main load-bearing beam (3), second main load-bearing beam (4) is provided with distribution beam (5), the outer side of the lower end of each main support column steel pipe (1) is welded with inclined support connecting piece (6), and the outer side of the upper end of each main support column steel pipe (1) is fixed with first hoop (8); The lower end between every two inclined support connecting pieces (6) and located first main load-bearing beam (3) is fixed with cross-steel pipe (9), the upper end between every two first hoop (8) and located cross-steel pipe (9) is fixed with reinforcing steel pipe (12), and the outer side of each inclined support connecting piece (6) is also fixed with inclined support steel pipe (14), and the upper end between second main load-bearing beam (4) of inclined support steel pipe (14) is fixed with connecting block (15).

2. The temporary support device for construction of large cap beam of bridge according to claim 1, characterized in that, The lower end between every two inclined support connecting pieces (6) and located distribution beam (5) is fixed with side-steel pipe (13).

3. The temporary support device for construction of large cap beam of bridge according to claim 1, characterized in that, The center of the outer side of each inclined support steel pipe (14) is fixed with third hoop (16), the outer side of each third hoop (16) is fixed with first assembly seat (17), the outer side of each first hoop (8) is fixed with second assembly seat (18), the outer side of each inclined support steel pipe (14) is provided with reinforcing steel pipe (19), and the both ends of reinforcing steel pipe (19) are respectively mounted with first assembly seat (17) and second assembly seat (18).

4. The temporary support device for construction of large cap beam of bridge according to claim 1, wherein, The lower end between every two inclined support steel pipes (14) and located distribution beam (5) is fixed with reinforcing rib (20) symmetrically.