Bridge construction pier pouring steel formwork reinforcing structure

Abstract

The application relates to the technical field of pier pouring reinforcement, in particular to a bridge pier pouring steel formwork reinforcement structure for bridge construction, which comprises a concrete foundation laid on the ground, a combined internal reinforcement cylinder installed on the concrete foundation and a combined external reinforcement cylinder located outside the combined internal reinforcement cylinder. The bridge pier pouring steel formwork reinforcement structure for bridge construction adopts a split structure design, is spliced through the lateral splice plates arranged in a staggered mode on the two assembly faces of the arc-shaped assembly plates, and the transportation and handling difficulty is greatly reduced; the combined internal reinforcement cylinder and the combined external reinforcement cylinder are fixedly assembled through the transversely-arranged reinforcement pipes, the compression strength of the whole equipment is greatly improved, and the stability of the assembly end is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pier pouring reinforcement, in particular to a bridge pier pouring steel formwork reinforcement structure for bridge construction. BACKGROUND

[0002] The pier is the main structure of the bridge span, and also the substructure that transmits the dead load and the vehicle live load to the foundation, which is mainly arranged at the bottom of the bridge. The main function is to support the bridge span structure. In addition to supporting the bridge span structure, the abutment also connects with the embankment and prevents the embankment from sliding.

[0003] During the construction process of the pier body, a tower crane is installed on one side of the pier body in the transverse direction of the bridge, a construction elevator is installed on the other side, and anchorages are pre-buried on the surface of the pier body. The pump pipe is fixed through the anchorages, and the high-pressure delivery pump is used to deliver the concrete into the mold. However, the strength of the current steel formwork is limited, especially there is no reinforcing mechanism between the inner and outer forms, the spacing is not uniform, and the steel formwork is mostly an integral structure, which leads to high difficulty in transportation and assembly and high cost. SUMMARY

[0004] The technical problem to be solved by the present application is to solve the problems in the background art, provide an improved bridge pier pouring steel formwork reinforcement structure for bridge construction, and solve the problems of limited strength of the current steel formwork, especially no reinforcing mechanism between the inner and outer forms, non-uniform spacing, and mostly integral structure of the steel formwork, which leads to high difficulty in transportation and assembly and high cost.

[0005] The technical scheme adopted by the present application to solve the technical problem is: a bridge pier pouring steel formwork reinforcement structure for bridge construction, comprising a concrete foundation laid on the ground, a combined internal reinforcing cylinder installed on the concrete foundation, and a combined external reinforcing cylinder located outside the combined internal reinforcing cylinder, wherein the combined internal reinforcing cylinder and the combined external reinforcing cylinder are both composed of a plurality of arc-shaped assembly plates, the arc-shaped assembly plates are provided with laterally arranged assembly plates on both sides of the assembly surface, the arc-shaped assembly plates are provided with arc-shaped assembly grooves on the side wall at the assembly end of the laterally arranged assembly plates, the arc-shaped assembly grooves of the combined internal reinforcing cylinder and the combined external reinforcing cylinder are inserted with transversely arranged reinforcing pipes, and the inner side wall and the outer side wall of the combined internal reinforcing cylinder are both provided with a combined internal material guiding mechanism assembled and fixed by the transversely arranged reinforcing pipes.

[0006] The arc-shaped assembly plates and the laterally arranged assembly plates are provided with longitudinally arranged limiting clamping grooves on the side walls of the assembly surface to improve the stability of the combined internal material guiding mechanism.

[0007] The arc-shaped assembly plates are assembled with each other through the laterally arranged assembly plates to form a circular assembly through hole for assembling the transversely arranged reinforcing pipes.

[0008] The transversely-arranged reinforcing pipe comprises a copper mounting pipe inserted into a circular assembly through hole at both ends, an inner threaded assembly pipe fixed at a middle position of the copper mounting pipe through an inner side support frame, an integral structure flow guide cover fixed on an inner top surface of the copper mounting pipe, a copper overturning extrusion arm movably mounted at an opening end of the inner side of the copper mounting pipe through an inner assembly shaft, an outer threaded assembly pipe threaded into the inner threaded assembly pipe, and an outer limiting head axially fixed on an outer side surface of the outer threaded assembly pipe.

[0009] The combined internal material guiding mechanism comprises an inner side copper reinforcing cover shell mounted on the inner side of the combined internal reinforcing cylinder, an outer side copper reinforcing cover shell mounted on the outer side of the combined internal reinforcing cylinder, and an integral structure material guiding pipe fixed on assembly surfaces of the inner side copper reinforcing cover shell and the outer side copper reinforcing cover shell.

[0010] An arc-shaped material guiding opening in communication with the inner part of the flow guide cover is formed on the upper end of the copper mounting pipe.

[0011] The inner side surfaces of the inner side copper reinforcing cover shell and the outer side copper reinforcing cover shell are provided with internal reinforcing ribs.

[0012] A bottom reinforcing support for improving the stability of the bottom of the arc-shaped assembled plate is bolted on the concrete foundation.

[0013] An outer side telescopic hole in communication with the inner part of the flow guide cover is formed on the outer side surface of the copper mounting pipe, and an outer threaded telescopic assembly pipe is movably inserted into the inner part of the outer side telescopic hole.

[0014] A lateral limiting clamping groove matched with the copper overturning extrusion arm is formed on the outer side surface of the inner side copper reinforcing cover shell at the assembly end of the copper mounting pipe, and an outer side limiting pipe is threaded onto the outer side of the copper mounting pipe.

[0015] The beneficial effects of the present application are:

[0016] (1) The bridge pier pouring steel formwork reinforcing structure of the present application adopts a split structure design, and the lateral splicing plates arranged in a staggered manner on the two assembly surfaces of the arc-shaped assembled plate are spliced, which greatly reduces the transportation and handling difficulty.

[0017] (2) The combined internal reinforcing cylinder and the combined external reinforcing cylinder are fixedly assembled by the transversely-arranged reinforcing pipe, which greatly improves the compressive strength of the entire device and the stability of the assembly end.

[0018] (3) The combined internal material guiding mechanism locked by the transversely-arranged reinforcing pipe is fixed on the inner and outer sides of the combined internal reinforcing cylinder, which not only facilitates bottom pouring, but also improves the assembly firmness and stability of the pier.

[0019] (4) The transversely-arranged reinforcing pipe is operated by the outer threaded assembly pipe axially fixed with the outer limiting head at the top, which is very simple and convenient.BRIEF DESCRIPTION OF DRAWINGS BRIEF DESCRIPTION OF DRAWINGS

[0020] The application will be further described below in conjunction with the accompanying drawings and embodiments.

[0021] Figure 1 is a structural schematic diagram of the application.

[0022] Figure 2 is a top view of the application.

[0023] Figure 3 is an internal sectional view of the assembly end of the transversely arranged reinforcing pipe in the application. DETAILED DESCRIPTION

[0024] The application will be further described below in conjunction with the accompanying drawings and embodiments. These drawings are all simplified schematic diagrams and only show the basic structure of the application in a schematic manner, and thus only show the components related to the application.

[0025] In the description of the application, it should be noted that unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0026] Figure 1 、 Figure 2 and Figure 3 The bridge pier pouring steel formwork reinforcing structure shown in the figure comprises a concrete foundation 1 laid on the ground, a combined internal reinforcing cylinder 2 installed on the concrete foundation 1, and a combined external reinforcing cylinder 3 located outside the combined internal reinforcing cylinder 2. The combined internal reinforcing cylinder 2 and the combined external reinforcing cylinder 3 are both composed of a plurality of arc-shaped assembly plates 4. The arc-shaped assembly plates 4 are provided with laterally assembled plates 5 arranged in a staggered manner on both sides of the assembly surface. An arc-shaped assembly groove 6 is formed in the side wall of the arc-shaped assembly plate 4 at the assembly end of the laterally assembled plate 5. A transversely arranged reinforcing pipe is inserted into the arc-shaped assembly groove of the combined internal reinforcing cylinder 2 and the combined external reinforcing cylinder 3. A combined internal material guiding mechanism is arranged on the inner and outer side walls of the combined internal reinforcing cylinder 2 and is assembled and fixed by the transversely arranged reinforcing pipe.

[0027] The concrete pouring pipe is connected in communication with the transversely arranged reinforcing pipe, and then the concrete is introduced into the combined internal material guiding mechanism from the transversely arranged reinforcing pipe, and then the concrete is poured from the bottom to the top into the combined internal reinforcing cylinder 2 and between the combined internal reinforcing cylinder 2 and the combined external reinforcing cylinder 3 through the combined internal material guiding mechanism.

[0028] In order to enhance the limiting ability of both sides, the arc-shaped assembling plate 4 and the lateral splicing plate 5 are provided with longitudinal limiting slots 7 on the side walls of the assembling surface for enhancing the stability of the combined internal material guiding mechanism.

[0029] In order to cooperate with the assembly, the arc-shaped assembling plate 4 is assembled with the lateral splicing plate 5 to form a circular assembly through hole for assembling the transverse reinforcing pipe.

[0030] In order to cooperate with the internal threaded adjustment and fixation, the transverse reinforcing pipe comprises a copper mounting pipe 8 inserted into the circular assembly through hole at both ends, an internal threaded assembly pipe 10 fixed at the middle position of the copper mounting pipe 8 through an internal support frame 9, an integrated structure flow guide cover 11 fixed on the inner top surface of the copper mounting pipe 8, a copper flip extrusion arm 12 movably mounted on the inner opening end of the copper mounting pipe 8 through an internal assembly shaft, an external threaded assembly pipe 13 threaded into the internal threaded assembly pipe 10, and an external limiting head 14 axially fixed on the outer side surface of the external threaded assembly pipe 13.

[0031] The external threaded assembly pipe 13 is axially fixed with an external sleeve at the position of the copper flip extrusion arm 12, and a conical blind hole is internally provided to control the flip of the copper flip extrusion arm 12 by inward extrusion.

[0032] In order to cooperate with the internal and external assembly and fixation, the combined internal material guiding mechanism comprises an internal copper reinforcing cover 15 mounted on the inner side of the combined internal reinforcing cylinder 2, an external copper reinforcing cover 16 mounted on the outer side of the combined internal reinforcing cylinder 2, and an integrated structure material guiding pipe 17 fixed on the assembly surface of the internal copper reinforcing cover 15 and the external copper reinforcing cover 16.

[0033] In order to cooperate with the material guiding, the concrete inside the flow guide cover 11 is guided into the internal copper reinforcing cover 15 through the arc-shaped material guiding port 18 on the upper end of the copper mounting pipe 8, and then guided into the internal copper reinforcing cover 15 through the material guiding pipe 17, and finally discharged from the material outlet on the upper end of the internal copper reinforcing cover 15 and the external copper reinforcing cover 16.

[0034] In order to enhance the internal compressive strength, the internal copper reinforcing cover 15 and the external copper reinforcing cover 16 have internal reinforcing ribs 19 on the inner side surfaces.

[0035] In order to enhance the stability and stability of the bottom, the bottom reinforcing support 20 for enhancing the stability of the bottom of the arc-shaped assembling plate 4 is bolted on the concrete foundation 1.

[0036] The arc-shaped assembling plate 4 and the concrete foundation 1 are respectively fixed and assembled by the transverse bolts on the bottom reinforcing support 20.

[0037] In order to cooperate with the external injection pipe to screw assembly, the copper installation pipe 8 outside surface is provided with an outside telescopic hole which is communicated with the inside of the flow guide cover 11, and the outside telescopic hole is movably inserted with an external thread telescopic assembly pipe 21.

[0038] The inside of the copper installation pipe 8 is welded with an inside limiting frame with an open lower end, which is used to avoid the external thread telescopic assembly pipe 21 from being completely telescoped into the inside of the copper installation pipe 8, and then the inside end of the external thread telescopic assembly pipe 21 is provided with an integral structure limiting ring.

[0039] The external injection pipe is sleeved on the outside of the external thread telescopic assembly pipe 21 by screwing to fill the inside of the flow guide cover 11 with concrete.

[0040] In order to improve the stability and firmness after the turnover limiting, the outside surface of the inside copper reinforcing cover 15 is provided with a lateral limiting slot 22 which is matched with the copper turnover extrusion arm 12 at the assembly end of the copper installation pipe 8, and the outside of the copper installation pipe 8 is sleeved with an outside limiting pipe 23.

[0041] The bridge construction pier pouring steel formwork reinforcing structure of the present application adopts a split structure design, which is spliced by the lateral splice plates 5 which are arranged in a staggered manner on the two assembly surfaces of the arc-shaped assembly plates 4, greatly reducing the transportation and handling difficulty; the combined internal reinforcing cylinder 2 and the combined external reinforcing cylinder 3 are fixedly assembled by the transversely arranged reinforcing pipes, greatly improving the compressive strength of the whole equipment and the stability of the assembly end; the combined internal material guiding mechanism which is locked by the transversely arranged reinforcing pipes is fixedly arranged in the combined internal reinforcing cylinder 2, which not only facilitates the bottom injection, but also improves the assembly firmness and stability of the pier; the transversely arranged reinforcing pipes are used for handling operation by the external thread assembly pipe 13 of the top axial fixed external limiting head 14, which is very simple and convenient to operate.

[0042] Based on the above ideal embodiments according to the present application, through the above description, relevant personnel can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the contents in the specification, and must be determined according to the scope of claims.

Claims

1. A bridge pier casting steel formwork reinforcement structure, comprising a concrete foundation (1) laid on the ground, a combined internal reinforcement tube (2) installed on the concrete foundation (1), and a combined external reinforcement tube (3) located outside the combined internal reinforcement tube (2), wherein: The combined internal reinforcement tube (2) and the combined external reinforcement tube (3) are both composed of a plurality of arc-shaped assembly plates (4) spliced ​​together, and the assembly surfaces on both sides of the arc-shaped assembly plates (4) are provided with lateral splicing plates (5) arranged in a staggered manner, and the side walls of the arc-shaped assembly plates (4) are provided with arc-shaped assembly grooves (6) at the assembly ends of the lateral splicing plates (5), and the arc-shaped assembly grooves (6) of the combined internal reinforcement tube (2) and the combined external reinforcement tube (3) are internally plugged with transverse reinforcement tubes, and the inner and outer side walls of the combined internal reinforcement tube are both provided with a combined internal material guide mechanism assembled and fixed by the transverse reinforcement tubes; The arc-shaped assembly plates (4) are assembled with each other through lateral assembly plates (5) to form a circular assembly through hole for assembling a transverse reinforcement pipe; The transverse reinforcement tube comprises a copper mounting tube (8) with both ends inserted into the circular assembly through hole, an internal threaded mounting tube (10) fixed to the middle position of the copper mounting tube (8) through an internal support frame (9), an integrated structure air guide cover (11) fixed to the inner top surface of the copper mounting tube (8), a copper flip extrusion arm (12) movably mounted on the inner open end of the copper mounting tube (8) through an internal assembly shaft, an external threaded mounting tube (13) threadedly inserted into the internal threaded mounting tube (10), and an external limit head (14) axially fixed to the outer side of the external threaded mounting tube (13); The combined internal material guiding mechanism comprises an inner copper reinforcement cover (15) mounted on the inner side of the combined internal reinforcement cylinder (2), an outer copper reinforcement cover (16) mounted on the outer side of the combined internal reinforcement cylinder (2), and an integral structural material guiding pipe (17) fixed on the assembly surface of the inner copper reinforcement cover (15) and the outer copper reinforcement cover (16).

2. The steel formwork reinforcement structure for pier casting in bridge construction according to claim 1 is characterized by: A longitudinal limiting slot (7) for improving the stability of the combined internal material guiding mechanism is provided on the side walls of the assembly surfaces of the arc-shaped assembly plate (4) and the lateral splicing plate (5).

3. The steel formwork reinforcement structure for pier casting in bridge construction according to claim 1 is characterized by: The upper end of the copper mounting tube (8) is provided with an arc-shaped material guide port (18) that is connected to the interior of the flow guide cover (11).

4. The steel formwork reinforcement structure for pier casting in bridge construction according to claim 1 is characterized by: Internal reinforcing ribs (19) are provided on the inner side surfaces of the inner copper reinforcement cover (15) and the outer copper reinforcement cover (16).

5. The steel formwork reinforcement structure for pier casting in bridge construction according to claim 1 is characterized by: A bottom reinforcement bracket (20) for improving the bottom stability of the arc-shaped assembly plate (4) is bolted to the concrete foundation (1).

6. The steel formwork reinforcement structure for pier casting in bridge construction according to claim 1 is characterized by: An outer telescopic hole communicating with the interior of the air deflector (11) is provided on the outer surface of the copper mounting tube (8), and an externally threaded telescopic assembly tube (21) is movably inserted into the outer telescopic hole.

7. The steel formwork reinforcement structure for pier casting in bridge construction according to claim 1 is characterized by: The outer side surface of the inner copper reinforcement cover (15) is provided with a lateral limit slot (22) cooperating with the copper flip extrusion arm (12) at the assembly end of the copper mounting tube (8), and the outer side of the copper mounting tube (8) is threadedly sleeved with an outer limit tube (23).

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