Simply supported beam reinforcing structure

Abstract

The utility model discloses a simply supported beam reinforcing structure, which belongs to the technical field of bridge reinforcement and comprises a connecting beam, horizontal expansion brackets are arranged on the left side and the right side of the connecting beam, reinforcing side plates are arranged at the outer ends of the horizontal expansion brackets, a vertical support frame is arranged below the horizontal expansion brackets, and an inclined support frame is arranged on one side of the vertical support frame. A base is arranged on the bottom face of the vertical supporting frame, a vertical telescopic frame is arranged on the top face of the horizontal telescopic frame, and a reinforcing top plate is arranged on the top face of the vertical telescopic frame. The two horizontal telescopic frames drive the two reinforcing side plates to move towards the two sides respectively, the reinforcing side plates make contact with the piers and abut against the piers, and the device can be installed between the two piers at different intervals; the vertical telescopic frame drives the reinforcing top plate to move upwards, the reinforcing top plate makes contact with the bottom face of the simply supported beam and abuts against the bottom face of the simply supported beam, the simply supported beam is supported and reinforced, the simply supported beams of different heights can be reinforced, operation is easy and convenient, and the application range is wide.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge reinforcement, in particular to a simply supported beam reinforcement structure. Background Art

[0002] A simply supported beam is a load-bearing beam that is simply supported on piers at both ends. It has a simple structure, is not affected by the displacement of the supports, and is suitable for various geological conditions. The simply supported beam bridge is the earliest and most widely used type of beam bridge. With the growth of the economy, heavy transport vehicles have taken on the heavy task of freight transportation, and the traffic volume continues to increase. This will undoubtedly cause a considerable burden on the simply supported beams built earlier, and there are safety hazards in daily use. Therefore, the maintenance and reinforcement of simply supported beam bridges has gradually become a hot topic, and the number of bridges that need to be reinforced and strengthened and have improved bearing capacity is increasing. The sizes of simply supported beams vary, and the existing reinforcement structure is designed for a single simply supported beam. Simply supported beams of different sizes are not universal, and the scope of use is narrow. Utility Model Content

[0003] The utility model aims to provide a simply supported beam reinforcement structure, which solves the problem that the existing reinforcement structure is designed for a single simply supported beam, and simply supported beams of different sizes are not universal, resulting in a narrow application range.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] The utility model discloses a simply supported beam reinforcement structure, comprising a connecting beam, horizontal telescopic frames are arranged on both sides of the connecting beam, the outer ends of the horizontal telescopic frames are arranged with reinforced side plates, a vertical support frame is arranged below the horizontal telescopic frame, an inclined support frame is arranged on one side of the vertical support frame, a base is arranged on the bottom surface of the vertical support frame, a vertical telescopic frame is arranged on the top surface of the horizontal telescopic frame, and a reinforced top plate is arranged on the top surface of the vertical telescopic frame.

[0006] Furthermore, the horizontal telescopic frame and the vertical telescopic frame have the same structure.

[0007] Furthermore, the horizontal telescopic frame includes two fixed tubes, which are arranged in parallel front and back, one end of the fixed tube is connected to the connecting beam, and the other end of the fixed tube is provided with a movable rod, one end of the movable rod is inserted into the fixed tube, and the other end of the movable rod is connected to the reinforced side plate, and a hydraulic cylinder is provided on the outside of the fixed tube and the movable rod, the fixed end of the hydraulic cylinder is connected to the side wall of the fixed tube, and the piston rod of the hydraulic cylinder is connected to the side wall of the movable rod.

[0008] Furthermore, a first connecting rod is connected between the two fixing pipes.

[0009] Furthermore, a second connecting rod is connected between the two movable rods.

[0010] Furthermore, the vertical support frame is configured to be in an H shape.

[0011] Furthermore, the inclined support frame is configured to be H-shaped.

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

[0013] The two horizontal telescopic frames of the utility model respectively drive the two reinforced side plates to move to both sides, and the reinforced side plates are in contact with and pressed against the bridge piers, so that the plates can be installed between two bridge piers at different intervals; the vertical telescopic frame drives the reinforced top plate to move upward, and the reinforced top plate is in contact with and pressed against the bottom surface of the simply supported beam, so that the simply supported beam is supported and reinforced, and simply supported beams of different heights can be reinforced. The operation is simple and convenient, and the application range is wide. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model will be further described below in conjunction with the accompanying drawings.

[0015] Figure 1 This is the front view of the simply supported beam reinforcement structure of the utility model;

[0016] Figure 2 It is a three-dimensional structural schematic diagram of the horizontal telescopic frame of the utility model;

[0017] Figure 3 It is a three-dimensional structural schematic diagram of the vertical support frame, the inclined support frame and the base of the utility model.

[0018] Explanation of the accompanying drawings: 1. Simply supported beam; 2. Pier; 3. Connecting beam; 4. Horizontal telescopic frame; 5. Reinforced side plate; 6. Vertical support frame; 7. Inclined support frame; 8. Base; 9. Vertical telescopic frame; 10. Reinforced top plate; 4-1. Fixed pipe; 4-2. Movable rod; 4-3. Hydraulic cylinder; 4-4. First connecting rod; 4-5. Second connecting rod. DETAILED DESCRIPTION

[0019] like Figure 1-3 As shown, a simply supported beam reinforcement structure includes a connecting beam 3, the left and right sides of the connecting beam 3 are connected to horizontal telescopic frames 4, the outer ends of the horizontal telescopic frames 4 are connected to reinforced side plates 5, the bottom of the horizontal telescopic frame 4 is connected to a vertical support frame 6, one side of the vertical support frame 6 is connected to an inclined support frame 7, the bottom surface of the vertical support frame 6 is connected to a base 8, the top surface of the horizontal telescopic frame 4 is connected to a vertical telescopic frame 9, and the top surface of the vertical telescopic frame 9 is connected to a reinforced top plate 10.

[0020] The structure of the horizontal telescopic frame 4 is the same as that of the vertical telescopic frame 9. The specific structure of the horizontal telescopic frame 4 is described as an example: Figure 2 As shown, the horizontal telescopic frame 4 includes two fixed tubes 4-1, which are arranged in parallel front and back, one end of the fixed tube 4-1 is connected to the connecting beam 3, and the other end of the fixed tube 4-1 is provided with a movable rod 4-2, one end of the movable rod 4-2 is inserted into the fixed tube 4-1, and the other end of the movable rod 4-2 is connected to the reinforced side plate 5, and a hydraulic cylinder 4-3 is installed on the outer side of the fixed tube 4-1 and the movable rod 4-2. A first support is connected to the side wall of the tube 4-1, the fixed end of the hydraulic cylinder 4-3 is installed on the first support, a second support is connected to the side wall of the movable rod 4-2, and the piston rod of the hydraulic cylinder 4-3 is connected to the second support; when in use, the hydraulic cylinder 4-3 is started, the piston rod of the hydraulic cylinder 4-3 drives the movable rod 4-2 to move, the movable rod 4-2 extends from the fixed tube 4-1, and the movable rod 4-2 drives the reinforced side plate 5 to move, so that the reinforced side plate 5 is in contact with the pier 2 and pressed tightly.

[0021] A first connecting rod 4 - 4 is connected between the two fixed tubes 4 - 1 , and a second connecting rod 4 - 5 is connected between the two movable rods 4 - 2 , so as to improve the structural strength of the horizontal telescopic frame 4 .

[0022] like Figure 3 As shown, the vertical support frame 6 and the inclined support frame 7 are both arranged in an H shape; the vertical support frame 6 includes two vertical rods, a first cross rod is connected between the two vertical rods, and the inclined support frame 7 includes two diagonal rods, a second cross rod is connected between the two diagonal rods, the bottom ends of the diagonal rods are connected to the sides of the vertical rods, the bottom surfaces of the vertical rods are connected to the top surfaces of the base 8, and the vertical rods and the top surfaces of the vertical rods are connected to the fixed tube 4-1; the fixed tube of the vertical telescopic frame 9 is connected to the top surface of the fixed tube 4-1.

[0023] The installation process of the utility model is as follows:

[0024] First, the reinforcement structure described in the present application is moved to the bottom of the simply supported beam 1, and the horizontal telescopic frame 4 drives the reinforced side plate 5 to move, and the reinforced side plate 5 is in contact and pressed against the pier 2; then, the vertical telescopic frame 9 drives the reinforced top plate 10 to move upward, and the reinforced top plate 10 is in contact and pressed against the bottom surface of the simply supported beam 1, so as to support and reinforce the simply supported beam 1.

[0025] In addition, in order to increase the stability of the overall structure, a plurality of plug rods may be welded to the base 8 and inserted into the ground to make the overall structure more stable.

[0026] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A simply supported beam reinforcement structure, characterized in that: The invention comprises a connecting beam (3), wherein horizontal telescopic frames (4) are arranged on both left and right sides of the connecting beam (3), the outer ends of the horizontal telescopic frames (4) are arranged with reinforcing side plates (5), a vertical support frame (6) is arranged below the horizontal telescopic frame (4), an inclined support frame (7) is arranged on one side of the vertical support frame (6), a base (8) is arranged on the bottom surface of the vertical support frame (6), a vertical telescopic frame (9) is arranged on the top surface of the horizontal telescopic frame (4), and a reinforcing top plate (10) is arranged on the top surface of the vertical telescopic frame (9).

2. The simply supported beam reinforcement structure according to claim 1, characterized in that: The horizontal telescopic frame (4) and the vertical telescopic frame (9) have the same structure.

3. The simply supported beam reinforcement structure according to claim 2, characterized in that: The horizontal telescopic frame (4) comprises two fixed tubes (4-1), the two fixed tubes (4-1) are arranged in parallel front and back, one end of the fixed tube (4-1) is connected to the connecting beam (3), the other end of the fixed tube (4-1) is provided with a movable rod (4-2), one end of the movable rod (4-2) is inserted into the fixed tube (4-1), the other end of the movable rod (4-2) is connected to the reinforced side plate (5), a hydraulic cylinder (4-3) is provided on the outer side of the fixed tube (4-1) and the movable rod (4-2), the fixed end of the hydraulic cylinder (4-3) is connected to the side wall of the fixed tube (4-1), and the piston rod of the hydraulic cylinder (4-3) is connected to the side wall of the movable rod (4-2).

4. The simply supported beam reinforcement structure according to claim 3, characterized in that: A first connecting rod (4-4) is connected between the two fixing pipes (4-1).

5. The simply supported beam reinforcement structure according to claim 3, characterized in that: A second connecting rod (4-5) is connected between the two movable rods (4-2).

6. The simply supported beam reinforcement structure according to claim 1, characterized in that: The vertical support frame (6) is arranged in an H shape.

7. The simply supported beam reinforcement structure according to claim 1, characterized in that: The inclined support frame (7) is arranged in an H shape.

Images