Prefabricated pile column type pier device

Abstract

The utility model discloses a prefabricated assembly pile column type pier device, which relates to the technical field of column type piers, and comprises a pile foundation, a pier column and a cover beam, pile foundation main reinforcements are inserted into the periphery of the interior of the pile foundation, pier column main reinforcements are inserted into the periphery of the interior of the pier column, and the pier column main reinforcements are stably connected with the pile foundation main reinforcements through steel bar connectors. A groove is formed in the upper surface of the center of the pile foundation, an embedded base plate is installed in the groove in a threaded mode, a set of symmetrical extending steel plates are connected to the two sides of the embedded base plate, a reinforcing sleeve base is fixedly connected to one side of each extending steel plate, and a positioning groove and a groove plate groove which are communicated are formed in the upper surface of each reinforcing sleeve base in a penetrating mode; a steel pipe and a steel groove plate are arranged in the positioning groove and the groove plate groove in a penetrating mode respectively, a second bolt is connected between the reinforcing sleeve base and the steel groove plate in a threaded mode, a connecting upper plate is fixedly connected to the upper surface of the steel pipe and the upper surface of the steel groove plate, and a center steel column used for positioning and supporting is fixedly connected to the upper surface of the center of the embedded base plate. And the effect of improving the assembly efficiency and reliability is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of column type bridge piers, in particular to a prefabricated assembly pile column type bridge pier device. Background Art

[0002] In order to speed up bridge construction and improve the constructability and safety of bridges in complex environments, rapid bridge construction technology with factory prefabrication and on-site assembly has been increasingly widely used in engineering in recent years. Rapid bridge construction technology has obvious advantages such as accelerating bridge construction progress, improving engineering quality, reducing bridge life cycle costs, and reducing post-earthquake residual displacement. At present, the assembly construction technology of bridge superstructures has become relatively mature, and the assembly construction of bridge substructures has attracted more and more attention from scholars.

[0003] At present, most pile foundations and bridge piers are firmly connected by pre-buried main reinforcement. Although this connection method is quite mature, the center correspondence between the main reinforcements before connection still wastes a lot of manpower and material resources for calibration, which easily leads to low assembly efficiency and lack of reliability. Utility Model Content

[0004] The purpose of the utility model is to provide a prefabricated pile-column bridge pier device, which solves the technical problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a prefabricated pile-column bridge pier device, comprising a pile foundation, a bridge pier column and a cap beam, wherein the pile foundation is cast and plugged with pile foundation main reinforcements all around the inside, and the bridge pier column is cast and plugged with pier column main reinforcements firmly connected to the pile foundation main reinforcements through a reinforcement connector all around the inside;

[0006] A groove is provided on the central upper surface of the pile foundation, and an embedded pad is installed with threads in the groove. A group of symmetrical extended steel plates are connected to the two sides of the embedded pad. The upper surface of the pile foundation is connected to the groove and is provided with a side groove for the extended steel plate to be plugged. A reinforcement sleeve is fixedly connected to one side of the extended steel plate. A connected positioning groove and a slot plate groove are penetrated through the upper surface of the reinforcement sleeve. Steel pipes and steel slot plates are respectively penetrated inside the positioning groove and the slot plate groove, and a second bolt is threadedly connected between the reinforcement sleeve and the steel slot plate. A connecting upper plate is fixedly connected to the upper surfaces of the steel pipe and the steel slot plate, and the connecting upper plate is welded to the symmetrical surfaces of the main reinforcement of the pier column. A central steel column for positioning support is fixedly connected to the central upper surface of the embedded pad, and a central embedded groove for the central steel column to be firmly penetrated is respectively provided on the surfaces of the pier column and the cap beam.

[0007] Optionally, the pile foundation main reinforcement and the pier column main reinforcement are connected by a double-screw steel bar connector.

[0008] Optionally, the extended steel plate is sleeved and welded onto the outside of two pile foundation main reinforcements on the corresponding two sides.

[0009] Optionally, a first bolt is threadedly fixed between the embedded pad and the pile foundation.

[0010] Optionally, the steel pipe is inserted into the interior of the positioning groove, the groove plate groove is connected and opened on both sides of the positioning groove, and the steel groove plate is inserted into the interior of the groove plate groove.

[0011] Optionally, both side surfaces of the pier column and the cap beam are respectively fixedly connected with hanging ears for facilitating assembly.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The utility model adopts the corresponding matching assembly of the reinforcing sleeve connected to the embedded pad and the upper plate connected to the welded main reinforcement of the pier column, so that the corresponding assembly connection between the main reinforcement of the pile foundation and the main reinforcement of the pier column can not only realize the positioning by the central steel column passing through the central embedded groove, but also can realize the strengthening stability of the positioning and assembly by passing and assembling the steel pipe and steel channel plate connected to the upper plate through the reinforcing sleeve connected to the extended steel plate, so as to realize the strengthening and stability of the internal and external structural assembly of the pier device, thereby improving the assembly efficiency and assembly reliability of the pier device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the front view of the structure of the utility model;

[0015] Figure 2 For this utility model Figure 2 A magnified schematic diagram of the structure at center A;

[0016] Figure 3 It is a front cross-sectional view of the structure of the utility model;

[0017] Figure 4 It is a partial structural cross-sectional view of the utility model;

[0018] Figure 5 It is an enlarged view of part of the structure of the utility model.

[0019] In the figure: 1-pile foundation, 2-bridge pier, 3-cap beam, 4-hanging ear, 5-pile foundation main reinforcement, 6-pier column main reinforcement, 7-groove, 8-embedded pad, 9-first bolt, 10-side groove, 11-extended steel plate, 12-reinforcement sleeve, 13-positioning groove, 14-groove plate groove, 15-connecting upper plate, 16-steel pipe, 17-steel groove plate, 18-center embedded groove, 19-center steel column, 20-second bolt. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0021] For examples, see Figures 1 to 5 The utility model provides a prefabricated pile-column bridge pier device, comprising a pile foundation 1, a pier column 2 and a cap beam 3. The pile foundation 1 is filled with pile foundation main reinforcement 5, and the pier column 2 is filled with pier column main reinforcement 6 which is firmly connected with the pile foundation main reinforcement 5 through a reinforcement connector. The pile foundation main reinforcement 5 and the pier column main reinforcement 6 are connected through a double-screw reinforcement connector.

[0022] A groove 7 is provided on the central upper surface of the pile foundation 1, and an embedded pad 8 is installed in the inner thread of the groove 7. A first bolt 9 is threadedly fixed between the embedded pad 8 and the pile foundation 1. A group of symmetrical extended steel plates 11 are connected to both sides of the embedded pad 8. The upper surface of the pile foundation 1 is connected to the groove 7 and is provided with a side groove 10 for plugging the extended steel plate 11. A reinforcement sleeve 12 is fixedly connected to one side of the extended steel plate 11. The upper surface of the reinforcement sleeve 12 is penetrated by a connected positioning groove 13 and a slot plate groove 14. The interiors of the positioning groove 13 and the slot plate groove 14 are respectively penetrated with a steel pipe 16 and a steel slot plate 17, and the reinforcement sleeve 12 is provided with a plurality of grooves 13 and 14. A second bolt 20 is threadedly connected between the strong sleeve 12 and the steel channel plate 17, the steel pipe 16 is inserted into the interior of the positioning groove 13, the channel plate groove 14 is connected and opened on both sides of the positioning groove 13, and the steel channel plate 17 is inserted into the interior of the channel plate groove 14, the upper surfaces of the steel pipe 16 and the steel channel plate 17 are fixedly connected with a connecting upper plate 15, and the connecting upper plate 15 is welded to the symmetrical surface of the main reinforcement 6 of the pier column, and the central upper surface of the embedded pad 8 is fixedly connected with a central steel column 19 for positioning support, and the surfaces of the pier column 2 and the cap beam 3 are respectively provided with a central embedded groove 18 for the central steel column 19 to be firmly inserted.

[0023] In this embodiment, the corresponding matching assembly of the reinforcing sleeve 12 connected to the embedded pad 8 and the upper plate 15 welded to the pier main reinforcement 6 is adopted, so that the corresponding assembly connection between the pile foundation main reinforcement 5 and the pier main reinforcement 6 can not only be positioned by the central steel column 19 inserted into the central embedded groove 18, but also the steel pipe 16 and the steel channel plate 17 connected to the upper plate 15 are inserted and assembled into the reinforcing sleeve 12 connected to the extended steel plate 11 to enhance the stability of positioning and assembly, thereby achieving the reinforcement and stability of the internal and external structural assembly of the pier device, thereby improving the assembly efficiency and reliability of the pier device.

[0024] Furthermore, the extended steel plate 11 is sleeved and welded on the outside of the two pile foundation main reinforcements 5 on the corresponding two sides.

[0025] It is worth noting that when the embedded pad 8 is threadedly installed into the groove 7 through the first bolt 9, the extended steel plate 11 will also be inserted into the side groove 10, and the extended steel plate 11 is sleeved on the outside of the two pile foundation main reinforcements 5 and welded thereto, thereby reinforcing the stability and reliability between the embedded pad 8 and the extended steel plate 11 and the pile foundation 1.

[0026] Furthermore, the two side surfaces of the pier column 2 and the cap beam 3 are respectively fixedly connected with hanging ears 4 for easy assembly.

[0027] More specifically, during the process of assembling the pile-column type pier device, the operator can perform hanging and assembly operations on the pier column 2 and the cap beam 3 through the hanging ears 4.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A prefabricated pile-column bridge pier device, comprising a pile foundation (1), a bridge pier column (2) and a cap beam (3), characterized in that: The pile foundation (1) is casted and plugged with pile foundation main reinforcement (5) all around its interior, and the bridge pier column (2) is casted and plugged with pier column main reinforcement (6) firmly connected to the pile foundation main reinforcement (5) via a reinforcement connector all around its interior; The central upper surface of the pile foundation (1) is provided with a groove (7), and a pre-buried pad (8) is installed with an internal thread of the groove (7). A group of symmetrical extended steel plates (11) are connected to both sides of the pre-buried pad (8). The upper surface of the pile foundation (1) is connected to the groove (7) and is provided with a side groove (10) for plugging the extended steel plate (11). One side of the extended steel plate (11) is fixedly connected with a reinforcement sleeve (12). The upper surface of the reinforcement sleeve (12) is penetrated by a communicating positioning groove (13) and a groove plate groove (14). The positioning groove (13) and the A steel pipe (16) and a steel channel plate (17) are respectively inserted into the interior of the channel plate groove (14), and a second bolt (20) is threadedly connected between the reinforcing sleeve (12) and the steel channel plate (17), a connecting upper plate (15) is fixedly connected to the upper surfaces of the steel pipe (16) and the steel channel plate (17), and the connecting upper plate (15) is welded to the symmetrical surface of the main reinforcement (6) of the pier column, a central steel column (19) is fixedly connected to the central upper surface of the embedded pad (8), and central embedded grooves (18) are respectively opened on the surfaces of the bridge pier column (2) and the cap beam (3).

2. The prefabricated pile-column bridge pier device according to claim 1, characterized in that: The pile foundation main reinforcement (5) and the pier column main reinforcement (6) are connected via a double-screw steel bar connector.

3. The prefabricated pile-column bridge pier device according to claim 1, characterized in that: The extended steel plate (11) is sleeved and welded onto the outside of the two pile foundation main reinforcements (5) on the corresponding two sides.

4. The prefabricated pile-column bridge pier device according to claim 1, characterized in that: A first bolt (9) is threadedly fixed between the embedded pad (8) and the pile foundation (1).

5. The prefabricated pile-column bridge pier device according to claim 1, characterized in that: The steel pipe (16) is inserted into the interior of the positioning groove (13), the groove plate groove (14) is connected to the two sides of the positioning groove (13), and the steel groove plate (17) is inserted into the interior of the groove plate groove (14).

6. The prefabricated pile-column bridge pier device according to claim 1, characterized in that: The two side surfaces of the pier column (2) and the cap beam (3) are respectively fixedly connected with hanging ears (4) for easy assembly.

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