Bridge spherical steel support capable of detecting corrosion resistance
By designing injection tanks and liquid outlet tanks in bridge spherical steel support, combined with adding plates and check valves, stable grouting and anti-corrosion protection of bridge spherical steel support is achieved, and the problem of gaps affecting stability in traditional bridge spherical steel support is solved, ensuring the stability and reliability of the device.
Patent Information
- Application Number
- CN202422219126.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-11
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-09-11
AI Technical Summary
During the use of traditional spherical steel support for bridges, it is difficult to ensure stable grouting between the bottom of the spherical steel support of bridges and the top of the bridge, resulting in gaps at the grouting site, affecting the stable installation of the device.
A bridge ball steel support that can detect and anti-corrosion was designed. By opening an injection groove and a liquid outlet groove on the side of the lower seat plate, and equipped with an additive plate, a check valve and a side plate, an external grouting equipment and an endoscope for grouting and detection to avoid the gap affecting the stable installation.
The stable grouting of the bridge spherical steel support is achieved, avoiding the influence of gaps, and facilitating anti-corrosion protection on the bottom to ensure the stability and reliability of the device.
Smart Images

Figure CN223061435U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of spherical steel bearings for bridges, and particularly relates to a spherical steel bearing for bridges that can be detected and anti-corrosion treated. Background Technique
[0002] A spherical steel bearing refers to a component with reliable force transmission, flexible rotation, greater load-bearing capacity than a pot rubber bearing, allowing for large seat displacements, etc., and can better meet the needs of large-angle rotation of the bearing. In order to assist in the stable detection and anti-corrosion treatment of the spherical steel bearing, a spherical steel bearing for bridges that can be detected and anti-corrosion treated is thus required.
[0003] During the use of traditional spherical steel bearings for bridges, the contact surface between the lower seat plate of the spherical steel bearing for bridges and the bridge pier is grouted and fixed, thereby realizing the fixed connection between the bridge girder and the bridge pier. However, during the use of traditional spherical steel bearings for bridges, it is difficult to ensure stable grouting between the bottom of the spherical steel bearing for bridges and the top of the bridge, which easily leads to gaps inside the grouted area, thereby affecting the stable erection of the spherical steel bearing for bridges. Content of the Utility Model
[0004] In view of the deficiencies of the prior art, the utility model provides a spherical steel bearing for bridges that can be detected and anti-corrosion treated to solve the problems raised in the above background technique.
[0005] The utility model provides the following technical solution: A spherical steel bearing for bridges that can be detected and anti-corrosion treated, including a lower seat plate. An injection groove is provided on the side surface of the lower seat plate. An adding plate is slidably connected to the inner wall of the lower seat plate. A one-way valve is fixedly assembled on the inner wall of the adding plate, and the inner wall of the one-way valve is communicated with the inner wall of the injection groove. A side plate is fixedly assembled on the side surface of the adding plate, and an auxiliary rod is fixedly assembled on the inner wall of the side plate. A liquid outlet groove is provided at the bottom of the lower seat plate. An auxiliary groove is provided at the bottom of the adding plate. A notch is provided on the side surface of the lower seat plate.
[0006] As a preferred technical solution of the utility model, the inner wall of the adding plate passes through the inner wall of the auxiliary groove and is communicated with the inner wall of the notch.
[0007] As a preferred technical solution of the utility model, a spherical panel is fixedly assembled at the bottom of the lower seat plate. A middle seat plate is arranged on the inner wall of the spherical panel. A flat panel is fixedly assembled on the top of the middle seat plate. An upper seat plate is fixedly assembled on the top of the flat panel.
[0008] As a preferred technical solution of the utility model, a bottom rod is fixedly assembled on the side surface of the lower seat plate. A threaded rod is fixedly assembled on the top of the bottom rod.
[0009] As a preferred technical solution of the present utility model, a top rod is slidably sleeved on the outer edge of the threaded rod, and the side surface of the top rod is fixedly assembled with the side surface of the upper seat plate. A nut is threadedly connected to the outer edge of the threaded rod near the top.
[0010] As a preferred technical solution of the present utility model, the number of the bottom rods is four, and the side surfaces of the four bottom rods are respectively fixedly assembled with both sides of the lower seat plate. The connection structures at the tops of the four bottom rods are exactly the same.
[0011] Compared with the prior art, the present utility model has the following beneficial effects:
[0012] 1. For the bridge spherical steel bearing capable of detection and anti-corrosion, through the combined use of the adding plate and the injection groove, the side plate drives the adding plate to move towards the injection groove until the side surface of the adding plate abuts against the side surface of the injection groove. Then, an external grouting device is used to penetrate through the inner wall of the injection groove and dock with the inner wall of the one-way valve, so as to grout the inner wall of the adding plate. Furthermore, when the side plate drives the adding plate to move inside the inner wall of the lower seat plate, grouting is carried out on the bottom of the lower seat plate through the auxiliary groove penetrating through the inner wall of the liquid outlet groove, thereby avoiding the influence of the gap at the grouting part on the stable erection of the device.
[0013] 2. For the bridge spherical steel bearing capable of detection and anti-corrosion, through the opening of the notch, it is convenient to use the notch to assist an external endoscope to penetrate through the inner wall of the notch into the inner wall of the lower seat plate, and then use the endoscope to stably detect the bottom of the lower seat plate, and then timely carry out anti-corrosion protection on the bottom of the lower seat plate. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;
[0015] Figure 2 is a front cross-sectional structural schematic diagram of the present utility model;
[0016] Figure 3 is the present utility model Figure 2 magnified structural schematic diagram at A in;
[0017] Figure 4 is another angle front cross-sectional structural schematic diagram of the present utility model;
[0018] Figure 5 is an internal structural schematic diagram of the lower seat plate of the present utility model;
[0019] Figure 6 is another angle three-dimensional structural schematic diagram of the present utility model.
[0020] In the figure: 1. Lower seat plate; 2. Injection groove; 3. Adding plate; 4. Check valve; 5. Auxiliary groove; 6. Side plate; 7. Auxiliary rod; 8. Liquid outlet groove; 9. Groove opening; 10. Upper seat plate; 11. Spherical panel; 12. Middle seat plate; 13. Flat panel; 14. Threaded rod; 15. Nut; 16. Thrust rod; 17. Bottom rod. Specific implementation manner
[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0022] Please refer to Figures 1-6 , a bridge spherical steel bearing that can be detected and anti-corrosion, including a lower seat plate 1. An injection groove 2 is opened on the side of the lower seat plate 1. An adding plate 3 is slidably connected to the inner wall of the lower seat plate 1. A check valve 4 is fixedly assembled on the inner wall of the adding plate 3, and the inner wall of the check valve 4 is communicated with the inner wall of the injection groove 2. A side plate 6 is fixedly assembled on the side of the adding plate 3, and an auxiliary rod 7 is fixedly assembled on the inner wall of the side plate 6. A liquid outlet groove 8 is opened at the bottom of the lower seat plate 1. An auxiliary groove 5 is opened at the bottom of the adding plate 3. A groove opening 9 is opened on the side of the lower seat plate 1. By using the cooperation of the adding plate 3 and the check valve 4, an external grouting device is used to penetrate through the inner wall of the injection groove 2 and dock with the inner wall of the check valve 4, so as to grout the inside of the adding plate 3 by using the external grouting device, and then use the slurry inside the adding plate 3 to penetrate through the inner wall of the auxiliary groove 5 and the inner wall of the liquid outlet groove 8 to grout the bottom of the lower seat plate 1.
[0023] In a preferred implementation manner, the inner wall of the adding plate 3 penetrates through the inner wall of the auxiliary groove 5 and is communicated with the inner wall of the groove opening 9. By communicating the inner wall of the adding plate 3 with the inner wall of the groove opening 9 through the inner wall of the auxiliary groove 5, it is convenient to supply the slurry inside the adding plate 3 to the bottom of the lower seat plate 1 through the inner wall of the auxiliary groove 5 and the inner wall of the groove opening 9.
[0024] In a preferred implementation manner, a spherical panel 11 is fixedly assembled at the bottom of the lower seat plate 1. A middle seat plate 12 is arranged on the inner wall of the spherical panel 11. A flat panel 13 is fixedly assembled at the top of the middle seat plate 12. An upper seat plate 10 is fixedly assembled at the top of the flat panel 13. By using the cooperation of the spherical panel 11 and the middle seat plate 12, the bottom of the middle seat plate 12 is rotated in the inner wall of the spherical panel 11, so as to assist in the erection of the upper seat plate 10.
[0025] In a preferred embodiment, a bottom rod 17 is fixedly assembled on the side of the lower seat plate 1, and a threaded rod 14 is fixedly assembled on the top of the bottom rod 17. By using the bottom rod 17 and the threaded rod 14 in cooperation, the bottom rod 17 is used to assist in the stable erection of the threaded rod 14, and then to assist in the docking of the threaded rod 14 with the lower seat plate 1.
[0026] In a preferred embodiment, a top rod 16 is slidably sleeved on the outer edge of the threaded rod 14, and the side of the top rod 16 is fixedly assembled with the side of the upper seat plate 10. A nut 15 is threadedly connected to the outer edge of the threaded rod 14 near the top. By using the nut 15 and the threaded rod 14 in cooperation, the inner wall of the nut 15 is threadedly connected to the outer edge of the threaded rod 14, so as to assist in the stable positioning of the upper seat plate 10 and the lower seat plate 1.
[0027] In a preferred embodiment, the number of the bottom rods 17 is four, and the sides of the four bottom rods 17 are respectively fixedly assembled with both sides of the lower seat plate 1. The connection structures at the tops of the four bottom rods 17 are exactly the same. By adding the four bottom rods 17, the four bottom rods 17 are used to drive the four threaded rods 14 to dock with the four top rods 16, so as to further stably position and erect the upper seat plate 10 and the lower seat plate 1.
[0028] Working principle: When the device is in use, the side plate 6 is used to drive the adding plate 3 to move towards the injection groove 2 until the side of the adding plate 3 abuts against the side of the injection groove 2. Then, an external grouting device is used to penetrate through the inner wall of the injection groove 2 and dock with the inner wall of the one-way valve 4, so as to grout the inner wall of the adding plate 3. Furthermore, when the side plate 6 drives the adding plate 3 to move inside the lower seat plate 1, the lower part of the lower seat plate 1 is grouted through the auxiliary groove 5 and passing through the inner wall of the liquid outlet groove 8, so as to avoid the influence of the gap at the grouting part on the stable erection of the device. The notch 9 is used to assist an external endoscope to pass through the inner wall of the notch 9 into the inner wall of the lower seat plate 1, and then the endoscope is used to stably detect the bottom of the lower seat plate 1, and then to timely carry out anti-corrosion protection on the bottom of the lower seat plate 1.
[0029] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A bridge spherical steel bearing that can be detected and has anti-corrosion properties, including a lower seat plate (1), characterized in that: An injection groove (2) is formed on the side surface of the lower seat plate (1). An adding plate (3) is slidably connected to the inner wall of the lower seat plate (1). A one-way valve (4) is fixedly assembled on the inner wall of the adding plate (3), and the inner wall of the one-way valve (4) is communicated with the inner wall of the injection groove (2). A side plate (6) is fixedly assembled on the side surface of the adding plate (3), and an auxiliary rod (7) is fixedly assembled on the inner wall of the side plate (6). A liquid outlet groove (8) is formed at the bottom of the lower seat plate (1). An auxiliary groove (5) is formed at the bottom of the adding plate (3). A notch (9) is formed on the side surface of the lower seat plate (1).
2. The bridge spherical steel bearing capable of detection and corrosion prevention according to claim 1, characterized in that: The inner wall of the adding plate (3) passes through the inner wall of the auxiliary groove (5) and is communicated with the inner wall of the notch (9).
3. A bridge spherical steel bearing capable of detection and anti-corrosion according to claim 1, characterized in that: A spherical panel (11) is fixedly assembled at the bottom of the lower seat plate (1). A middle seat plate (12) is arranged on the inner wall of the spherical panel (11). A flat panel (13) is fixedly assembled at the top of the middle seat plate (12). An upper seat plate (10) is fixedly assembled at the top of the flat panel (13).
4. A bridge spherical steel bearing capable of detection and corrosion prevention according to claim 1, characterized in that: A bottom rod (17) is fixedly assembled on the side surface of the lower seat plate (1). A threaded rod (14) is fixedly assembled at the top of the bottom rod (17).
5. The bridge spherical steel bearing capable of being detected and having anti-corrosion property according to claim 4, wherein: A top rod (16) is slidably sleeved on the outer edge of the threaded rod (14), and the side surface of the top rod (16) is fixedly assembled with the side surface of the upper seat plate (10). A nut (15) is threadedly connected to the outer edge of the threaded rod (14) near the top.
6. A spherical steel bearing for bridges that can be detected and has anti-corrosion properties, characterized in that: The number of the bottom rods (17) is four, and the side surfaces of the four bottom rods (17) are respectively fixedly assembled with both sides of the lower seat plate (1). The connection structures at the tops of the four bottom rods (17) are completely the same.