Limiting structure for bent cap construction through pin-rod method

Abstract

The utility model belongs to the technical field of building construction, and discloses a pin-rod method capping beam construction limiting structure which comprises a pier column, the outer side of the pier column is connected with a fixing plate, the inner side of the fixing plate is connected with a pin rod in a sliding mode, the pin rod is connected with a limiting structure, and the outer side of the pier column is provided with an upper bearing plate and a lower bearing plate. The lower bearing plate is connected with the fixing plate, two pieces of double-spliced I-shaped steel are symmetrically arranged between the upper bearing plate and the lower bearing plate, and limiting I-shaped steel is welded between the two pieces of double-spliced I-shaped steel. A fixing plate on the outer side of a pier column and a pin rod in sliding connection are matched with a threaded rod limiting structure, transverse adjustment of the position of the pin rod can be achieved by rotating a rotating block, it is guaranteed that the pin rods on the two sides are evenly stressed, and therefore the overall compressive strength of the structure is improved; and the pin rod is prevented from deviating in the construction process.

Description

Technical Field

[0001] This utility model belongs to the field of building construction technology, specifically relating to a pin-bar method for limiting the construction of cap beams. Background Technology

[0002] In bridge engineering, the construction of the cap beam is a crucial step in connecting the pier and the superstructure, and its construction quality directly affects the overall stability and safety of the bridge. In traditional cap beam construction using the pin method, a fixed limiting structure is often used to position the pin. In existing technologies, the limiting structure is mostly fixed by welding, making it difficult to adjust the position of the pin according to construction needs after installation, resulting in difficulty in controlling the accuracy of the pier and the main beam. Utility Model Content

[0003] To address the aforementioned shortcomings in the existing technology, this utility model provides a pin-bar method for limiting the construction of cap beams, thereby solving the problems mentioned in the background technology.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0005] A pin-bar method for limiting the construction of a cap beam, characterized in that: it includes a pier column, a fixing plate is connected to the outer side of the pier column, a pin is slidably connected to the inner side of the fixing plate, the pin is connected to a limiting device, an upper bearing plate and a lower bearing plate are provided on the outer side of the pier column, the lower bearing plate is connected to the fixing plate, two double-section I-beams are symmetrically arranged between the upper bearing plate and the lower bearing plate, and a limiting I-beam is welded between the two double-section I-beams.

[0006] Preferably, the limiting I-beam is provided in two pieces, and the two limiting I-beams abut against the two sides of the pier column.

[0007] Preferably, the limiting device includes a threaded rod, the inner side of the pin is provided with a limiting groove, the threaded rod is threadedly connected to the limiting groove, and the threaded rod passes through the fixed plate and is connected to a rotating block.

[0008] Preferably, the upper end of the upper load-bearing plate is connected to a connecting plate, the connecting plate is connected to a protective net, and the inner side of the protective net is provided with shear bracing.

[0009] Preferably, the two double-section I-beams are arranged perpendicularly to the limiting I-beam, and a number of reinforcing connecting steels are provided between the two double-section I-beams.

[0010] Compared with the prior art, this utility model has the following advantages:

[0011] 1. The fixing plate on the outside of the pier column and the sliding pin are combined with the threaded rod limiting structure. The position of the pin can be adjusted laterally by rotating the rotating block to ensure that the pins on both sides are subjected to uniform force, thereby improving the overall compressive strength of the structure. The threaded connection design between the limiting groove and the threaded rod enhances the limiting stability through the thread self-locking characteristic and prevents the pin from deviating during construction.

[0012] 2. The combination structure of upper and lower load-bearing plates and double-section I-beams, together with vertically set limiting I-beams, forms a multi-layer frame support system, which significantly improves bending and shear resistance, evenly distributes concrete pouring load, avoids local deformation, and adds reinforcing connecting steel between the double-section I-beams to further enhance the lateral integrity and reduce structural deflection caused by load eccentricity. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model in the longitudinal direction of the bridge.

[0014] Figure 2 This is a schematic diagram of the transverse bridge structure provided by this utility model;

[0015] Figure 3 A top sectional view of the pin provided in this utility model;

[0016] The reference numerals in the accompanying drawings of the instruction manual include: 1. Pier column; 2. Fixing plate; 3. Pin; 4. Limiting groove; 5. Threaded rod; 6. Rotating block; 7. Lower load-bearing plate; 8. Double-jointed I-beam; 9. Limiting I-beam; 10. Upper load-bearing plate; 11. Connecting plate; 12. Protective net; 13. Shear brace; 14. Reinforcing connecting steel. Detailed Implementation

[0017] To enable those skilled in the art to better understand this utility model, the technical solution of this utility model will be further described below in conjunction with the accompanying drawings and embodiments.

[0018] The accompanying drawings are for illustrative purposes only and are schematic diagrams, not actual images. They should not be construed as limiting the scope of this patent. To better illustrate the embodiments of this utility model, some components in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings.

[0019] In the accompanying drawings of this utility model, the same or similar reference numerals correspond to the same or similar components. In the description of this utility model, it should be understood that if terms such as "upper," "lower," "left," "right," "inner," and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe positional relationships in the drawings are only for illustrative purposes and should not be construed as limiting this patent. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0020] In the description of this utility model, unless otherwise explicitly specified and limited, the term "connection" or similar designation indicating the connection relationship between components should be interpreted broadly. For example, it can refer to a fixed connection, a detachable connection, or an integral part; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0021] Example 1:

[0022] like Figure 1-3 The present invention discloses a pin-bar method for limiting the construction of a cap beam. The present invention includes a pier 1, a fixing plate 2 circumferentially arranged on the outer side of the pier 1, a pin 3 slidably connected to the inner side of the fixing plate 2, the pin 3 penetrating the pier 1 and extending to the outer side of the fixing plate 2, a threaded rod 5 threadedly connected to the inner side of the fixing plate 2, and a plurality of limiting grooves 4 provided on the inner side of the pin 3. The threaded rod 5 is threadedly connected to the limiting grooves 4, and the threaded rod 5 extends out of the fixing plate 2 and is connected to a rotating block 6. By rotating the rotating block 6, the pin 3 can be finely adjusted. A lower load-bearing plate 7 is connected to the upper end of the fixed plate 2. An upper load-bearing plate 10 is provided on the upper end of the lower load-bearing plate 7. Two double-span I-beams 8 are provided between the upper load-bearing plate 10 and the lower load-bearing plate 7. The double-span I-beams are the main beams and have the main load-bearing function. The two double-span I-beams 8 abut against the front and rear sides of the pier 1, respectively. Two limiting I-beams 9 are welded vertically to the two double-span I-beams 8. The two limiting I-beams 9 abut against the left and right sides of the pier 1, respectively. The double-span I-beams 8 and the limiting I-beams 9 enclose the pier 1 in the middle. Furthermore, the double-jointed I-beam 8 and the limiting I-beam 9 are welded together to form a whole, thereby improving the overall stability and ensuring the pouring effect during the pouring process. At the same time, since the limiting I-beam 9 is in contact with the pier column 1, it can prevent the limiting I-beam 9 from sliding when there is a deviation in the elevation of the pins 3 at both ends. The upper end of the upper load-bearing plate 10 is fixedly connected to the connecting plate 11, and the upper end of the connecting plate 11 is detachably connected to the protective net 12. The inner side of the protective net 12 is provided with shear bracing 13 to improve the overall strength of the protective net 12.

[0023] Furthermore, the flange connection between the two double-jointed I-beams 8 is reinforced with several connecting steel bars 14 to enhance the overall transverse tensile strength.

[0024] Working principle:

[0025] The upper load-bearing plate 10 and the lower load-bearing plate 7 are connected by double-jointed I-beams 8 to form a layered load-bearing frame. The upper load-bearing plate 10 distributes the vertical load transmitted by the pier column 1 to the lower load-bearing plate 7, and then transmits it to the pins 3 at both ends through the fixing plate 2. Finally, the load is distributed to the pier column 1 by the pins, so that the load is evenly transmitted. At the same time, the limiting device can adjust the length of the pins 3 on both sides so that the pins 3 can be evenly stressed. It also ensures that the pins 3 will not be laterally displaced due to external factors during construction. Furthermore, the reinforcing connecting steel 14 connected by flanges between the double-jointed I-beams 8 forms a transverse truss structure, which significantly improves the transverse tensile strength of the frame and prevents the frame from twisting or becoming unstable due to eccentric loads during concrete pouring.

[0026] The above are merely embodiments of this utility model. The circuits, electronic components, and modules involved are all prior art, fully achievable by those skilled in the art, and require no further explanation. The content protected by this application does not involve improvements to the software or methods. Commonly known structures and characteristics in the solution are not described in detail here. Those skilled in the art are aware of all common technical knowledge in the field to which this utility model pertains prior to the application date or priority date, are able to access all existing technologies in that field, and possess the ability to apply conventional experimental methods prior to that date. Those skilled in the art can, under the guidance of this application, improve and implement this solution in conjunction with their own capabilities. Some typical known structures or methods should not be obstacles for those skilled in the art to implement this application. It should be noted that those skilled in the art can make several modifications and improvements without departing from the structure of this utility model. These should also be considered within the scope of protection of this utility model, and will not affect the effectiveness of the implementation of this utility model or the practicality of the patent.

Claims

1. A pin-bar method for limiting the construction of a cap beam, characterized in that: The pier includes a column (1), a fixing plate (2) connected to the outside of the column (1), a pin (3) slidably connected to the inside of the fixing plate (2), the pin (3) being connected to a limiting device, an upper bearing plate (10) and a lower bearing plate (7) provided on the outside of the column (1), the lower bearing plate (7) being connected to the fixing plate (2), two double-jointed I-beams (8) symmetrically provided between the upper bearing plate (10) and the lower bearing plate (7), and a limiting I-beam (9) welded between the two double-jointed I-beams (8).

2. The pin-bar method for limiting the construction of a cap beam as described in claim 1, characterized in that: The limiting I-beam (9) is provided in two pieces, and the two limiting I-beams (9) abut against the two sides of the pier column (1).

3. The pin-bar method for limiting the construction of a cap beam as described in claim 1, characterized in that: The limiting device includes a threaded rod (5), and the inner side of the pin (3) is provided with a limiting groove (4). The threaded rod (5) is threadedly connected to the limiting groove (4). The threaded rod (5) passes through the fixed plate (2) and is connected to a rotating block (6).

4. The pin-bar method for limiting the construction of a cap beam as described in claim 1, characterized in that: The upper end of the upper load-bearing plate (10) is connected to a connecting plate (11), and the connecting plate (11) is connected to a protective net (12). The inner side of the protective net (12) is provided with shear bracing (13).

5. The pin-bar method for limiting the construction of a cap beam as described in claim 1, characterized in that: The two double-section I-beams (8) are arranged perpendicularly to the limiting I-beam (9), and several reinforcing connecting steels (14) are provided between the two double-section I-beams (8). 。

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