Assembly type bridge prefabricated pier column mounting and positioning device

Abstract

The utility model relates to the technical field of pier column installation and positioning, and discloses an assembly type bridge prefabricated pier column installation and positioning device which comprises a cast-in-place bearing platform and a hoop, the top wall of the cast-in-place bearing platform is fixedly connected with a plane fixing support, and a plurality of steel plates are installed on the outer wall of the plane fixing support at equal intervals. Baffles are fixedly connected to the periphery of the top wall of the plane fixing support, first jacks are installed on the inner walls of the baffles, prefabricated columns are arranged in the plane fixing support in a penetrating mode, supporting plates are fixedly connected to the middles of the peripheries of the outer walls of the hoops, and second jacks are installed on the peripheries of the bottom walls of the supporting plates. And a prefabricated column is mounted in the hoop. In the utility model, the plane fixing bracket fixedly connected with the top wall of the cast-in-place bearing platform is used for limiting the prefabricated pier column, the plane position of the prefabricated pier column is accurately adjusted through the jack I, then the prefabricated pier column is fixed through the hoop, and the jack II at the bottom of the hoop is used for accurately fixing the vertical position of the prefabricated pier column.

Description

Technical Field

[0001] This utility model relates to the field of pier installation and positioning technology, and in particular to an installation and positioning device for prefabricated piers of assembled bridges. Background Technology

[0002] Precast bridge piers are bridge pier structures that are manufactured and prefabricated in factories or production bases during bridge construction. Precast bridge piers are manufactured at a distance from the construction site and then transported to the bridge construction site for installation.

[0003] During the installation of precast bridge piers, a device is needed to position the precast bridge piers. This is where a prefabricated bridge pier installation and positioning device comes in. The positioning device can provide effective positioning during the installation of the precast piers.

[0004] In existing technologies, the installation and positioning of precast bridge piers is relatively complicated. It requires marking the precast piers and using a crane to place them in the designated positions. It is difficult to make fine adjustments, which can result in insufficient fit between the precast piers and the cast-in-place foundation, and inaccurate placement, affecting the stability of the entire structure. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides an installation and positioning device for prefabricated bridge piers, which aims to improve the problem of inaccurate installation and positioning of prefabricated bridge piers in the prior art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a prefabricated bridge pier installation and positioning device, comprising a cast-in-place pier cap and a clamp, wherein a planar fixing bracket is fixedly connected to the top wall of the cast-in-place pier cap, and multiple steel plates are equidistantly installed on the outer wall of the planar fixing bracket, and baffles are fixedly connected to all four sides of the top wall of the planar fixing bracket, and jack one is installed on the inner wall of the baffle. A prefabricated column is inserted inside the planar fixing bracket, and a support plate is fixedly connected to the center of all four sides of the outer wall of the clamp, and jack two is installed on all four sides of the bottom wall of the support plate. The bottom walls of the four jack two are respectively installed on all four sides of the top wall of the planar fixing bracket, and a prefabricated column is installed inside the clamp.

[0007] As a further description of the above technical solution:

[0008] The inner bottom wall of the cast-in-place foundation is fixedly connected to the left and right sides with socket columns, and the precast columns are engaged with the socket columns.

[0009] As a further description of the above technical solution:

[0010] The bottom wall of the cast-in-place foundation is fixedly connected to precast pile foundations on all four sides.

[0011] As a further description of the above technical solution:

[0012] An injection hole is provided on the left side of the outer wall of the precast column, and the injection hole is used to fill C40 shrinkage concrete.

[0013] As a further description of the above technical solution:

[0014] The inner wall of the cast-in-place foundation is provided with filling grooves around its perimeter, which are used for filling with high-strength grout.

[0015] As a further description of the above technical solution:

[0016] One end of the first jack is equipped with a first shim, and one end of the second jack is equipped with a second shim.

[0017] As a further description of the above technical solution:

[0018] The inner wall of the clamp is textured with anti-slip material on all four sides.

[0019] As a further description of the above technical solution:

[0020] The inner bottom wall of the cast-in-place foundation is equipped with steel gaskets, and the steel gaskets are fitted with socket columns on both the left and right sides.

[0021] This utility model has the following beneficial effects:

[0022] 1. In this utility model, the planar fixing bracket fixedly connected to the top wall of the cast-in-place foundation can limit the position of the precast pier. Through the interaction of the first jack, the planar position of the precast pier is precisely adjusted. Then, the precast pier is fixed by the clamp, and the vertical position of the precast pier is accurately fixed by the second jack at the bottom of the clamp.

[0023] 2. In this utility model, the bottom wall of the cast-in-place foundation is fixedly connected with support columns on both the left and right sides. After the precast pier column is attached to the cast-in-place foundation, the support columns can ensure that the precast column remains stable when high-strength grout is injected into the filling groove manually, thus avoiding the precast column from swaying left and right. Attached Figure Description

[0024] Figure 1 This is a cross-sectional view of a prefabricated bridge pier installation and positioning device proposed in this utility model.

[0025] Figure 2 This is a plan view of a prefabricated bridge pier installation and positioning device proposed in this utility model.

[0026] Figure 3This is a cross-sectional view of a vertical positioning device for an assembly-type prefabricated bridge pier installation and positioning device proposed in this utility model.

[0027] Figure 4 This is a plan view of a vertical positioning device for an assembly-type prefabricated bridge pier installation and positioning device proposed in this utility model;

[0028] Figure 5 This is a cross-sectional view of the clamp structure of the prefabricated bridge pier installation and positioning device proposed in this utility model.

[0029] Figure 6 This is a cross-sectional view of a planar fixing bracket structure for an installation and positioning device for prefabricated bridge piers proposed in this utility model.

[0030] Figure 7 This is a partial top view of the prefabricated bridge pier installation and positioning device proposed in this utility model;

[0031] Figure 8 This is a top view of a planar positioning device for a prefabricated bridge pier installation and positioning device proposed in this utility model.

[0032] Legend:

[0033] 1. Cast-in-place foundation; 2. Planar fixed support; 3. Steel plate; 4. Baffle; 5. Jack 1; 6. Clamp; 7. Support plate; 8. Jack 2; 9. Precast column; 10. Precast pile foundation; 11. Socket column; 12. Filling groove; 13. High-strength grouting; 14. Injection hole; 15. C40 shrinkage concrete; 16. Shim 1; 17. Shim 2; 18. Anti-slip texture; 19. Steel shim. Detailed Implementation

[0034] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0035] Reference Figure 1 , Figure 2 and Figure 3This utility model provides an embodiment of a prefabricated bridge pier installation and positioning device, comprising a cast-in-place pier cap 1 and a clamp 6. A planar fixing bracket 2 is fixedly connected to the top wall of the cast-in-place pier cap 1. Multiple steel plates 3 are equidistantly installed on the outer wall of the planar fixing bracket 2. Baffles 4 are fixedly connected to all four sides of the top wall of the planar fixing bracket 2. Jacks 1 5 are installed on the inner wall of the baffles 4. A prefabricated column 9 is inserted inside the planar fixing bracket 2. Support plates 7 are fixedly connected to the middle of all four sides of the outer wall of the clamp 6. Jacks 2 8 are installed on all four sides of the bottom wall of the support plates 7. The bottom walls of the four jacks 2 8 are respectively installed on all four sides of the top wall of the planar fixing bracket 2. The prefabricated column 9 is installed inside the clamp 6. An injection hole 14 is opened on the left side of the outer wall of the prefabricated column 9. The injection hole 14 is used to fill C40 shrinkage concrete 15. A gasket 1 16 is installed at one end of the jacks 1 5, and a gasket 2 17 is installed at one end of the jacks 2 8.

[0036] Specifically, the precast column 9 is precisely placed into a flat fixing bracket 2 on top of the cast-in-place foundation 1. The flat fixing bracket 2 is not simply a structure capable of bearing the weight of the precast column 9 and maintaining stability; its outer walls are surrounded by sturdy steel plates 3. These steel plates provide support and enhance the stability of the flat fixing bracket 2, ensuring that there will be no shaking or shifting during assembly. The flat fixing bracket 2 is tightly connected to jacks 5 via baffles 4. Jacks 5 work together to precisely compress the precast column 9 from left to right and back to front, ensuring that the precast column 9 can be accurately moved to the predetermined horizontal position. Under the precise control of Jack 5, the precast column 9 is steadily placed in a horizontal position. Once the precast column 9 reaches the horizontal position, the clamp 6 fits tightly against the precast column 9, fixing the precast column 9 in the vertical direction. Jack 8 is used to press the clamp 6 up and down, so that the precast column 9 reaches the precise position in the vertical direction. When filling the precast column 9 with C40 shrinkage concrete 15, the operation can be carried out through the injection hole 14. The shim 16 installed at one end of Jack 5 can reduce the wear of Jack 5 on the precast column 9, and the shim 17 can reduce the squeezing wear of Jack 8 on the clamp 6.

[0037] Reference Figure 4 , Figure 6 and Figure 8 The inner bottom wall of the cast-in-place foundation 1 is fixedly connected to the left and right sides of the inner bottom wall with socket columns 11, and the precast column 9 is engaged with the socket columns 11; the bottom wall of the cast-in-place foundation 1 is fixedly connected to the four sides of the bottom wall with precast pile foundation 10; the inner wall of the clamp 6 is provided with anti-slip texture 18.

[0038] Specifically, when the precast column 9 is placed inside the cast-in-place foundation 1, the socket column 11 plays a role. The socket column 11 is part of the bottom of the precast column 9, and its shape and size match the filling groove 12 on the inner wall of the cast-in-place foundation 1. After the precast column 9 is placed in place, the socket column 11 will engage with the filling groove 12 on the inner wall of the cast-in-place foundation 1. This connection method strictly restricts the position of the precast column 9, preventing it from moving left or right. A series of filling grooves 12 are opened on the inner wall of the cast-in-place foundation 1, providing a channel for the injection of high-strength grout 13 and ensuring that the grouting can be uniform. The high-strength grout 13 is distributed between the precast column 9 and the cast-in-place foundation 1. After the high-strength grout 13 is injected, it will quickly penetrate and fill the gap between the precast column 9 and the cast-in-place foundation 1. The selection and application of the high-strength grout 13 has a crucial impact on the connection effect. The bottom of the cast-in-place foundation 1 is fixedly connected to the precast pile foundation 10, which can support the cast-in-place foundation 1. The anti-slip texture 18 opened around the inner wall of the clamp 6 can effectively increase the friction between the clamp 6 and the precast column 9. The model of jack 1 5 is RSM-10T-12, and the model of jack 2 8 is RSM-10T-12.

[0039] Reference Figure 1 , Figure 5 and Figure 7 The inner walls of the cast-in-place foundation 1 are provided with filling grooves 12 on all four sides, and the filling grooves 12 are used to fill high-strength grout 13; the inner bottom wall of the cast-in-place foundation 1 is equipped with steel gaskets 19, and the left and right sides of the steel gaskets 19 are provided with socket columns 11.

[0040] Specifically, the inner wall of the cast-in-place foundation 1 is provided with a filling groove 12, which facilitates the subsequent manual injection of high-strength grout 13 and makes the operation easier. The steel shims 19 installed on the inner bottom wall of the cast-in-place foundation 1 can raise the precast column 9 and slow down the corrosion and aging rate of the precast column 9 in the later stage.

[0041] Working principle: When assembling the precast bridge column 9, the precast column 9 is placed inside the plane fixing bracket 2 fixedly connected to the top of the cast-in-place pier 1. The plane fixing bracket 2 is supported by steel plates 3 around its outer wall to enhance its stability. The plane fixing bracket 2 is connected to the first jack 5 through the baffle 4. The first jack 5 works together to squeeze the precast column 9 from left to right and back to front to move the precast column 9 to a precise horizontal position. After the precast pier column 9 reaches the horizontal position, the vertical position positioning device is installed. The clamp 6 fixes the position of the precast pier column 9. At this time, the second jack 8 squeezes the clamp 6 from top to bottom to make the precast column 9 reach a precise vertical position.

[0042] After the precast column 9 is placed inside the cast-in-place foundation 1, its position will be restricted due to the socket connection between the socket column 11 and the precast column 9, and it will not be able to move left or right. At this time, high-strength grout 13 can be injected into the cast-in-place foundation 1 through the filling groove 12 opened in the inner wall of the cast-in-place foundation 1. After the high-strength grout 13 has cured, the precast column 9 and the cast-in-place foundation 9 will fit tightly together, ensuring the stability of the subsequent building.

[0043] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A prefabricated bridge pier installation and positioning device, comprising a cast-in-place pier cap (1) and a clamp (6), characterized in that: The top wall of the cast-in-place foundation (1) is fixedly connected to a plane fixing bracket (2). Multiple steel plates (3) are installed at equal intervals on the outer wall of the plane fixing bracket (2). Baffles (4) are fixedly connected around the top wall of the plane fixing bracket (2). A jack (5) is installed on the inner wall of the baffle (4). A precast column (9) is installed inside the plane fixing bracket (2). A support plate (7) is fixedly connected around the middle of the outer wall of the clamp (6). A jack (8) is installed around the bottom wall of the support plate (7). The bottom walls of the four jacks (8) are respectively installed around the top wall of the plane fixing bracket (2). A precast column (9) is installed inside the clamp (6).

2. The prefabricated bridge pier installation and positioning device according to claim 1, characterized in that: The inner bottom wall of the cast-in-place foundation (1) is fixedly connected to the left and right sides of the socket column (11), and the precast column (9) is engaged with the socket column (11).

3. The prefabricated bridge pier installation and positioning device according to claim 1, characterized in that: The bottom wall of the cast-in-place foundation (1) is fixedly connected to precast pile foundations (10) on all four sides.

4. The prefabricated bridge pier installation and positioning device according to claim 1, characterized in that: An injection hole (14) is provided on the left side of the outer wall of the precast column (9), and the injection hole (14) is used to fill C40 shrinkage concrete (15).

5. The prefabricated bridge pier installation and positioning device according to claim 1, characterized in that: The inner walls of the cast-in-place foundation (1) are provided with filling grooves (12) around the perimeter, and the filling grooves (12) are used to fill high-strength grout (13).

6. The prefabricated bridge pier installation and positioning device according to claim 1, characterized in that: One end of the jack one (5) is equipped with a gasket one (16), and one end of the jack two (8) is equipped with a gasket two (17).

7. The prefabricated bridge pier installation and positioning device according to claim 1, characterized in that: The inner wall of the clamp (6) is provided with anti-slip texture (18) around its perimeter.

8. The prefabricated bridge pier installation and positioning device according to claim 1, characterized in that: The inner bottom wall of the cast-in-place foundation (1) is equipped with a steel gasket (19), and the steel gasket (19) has a socket column (11) inserted on both the left and right sides.

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