A new-old foundation settlement differential dynamic monitoring device

Abstract

This utility model relates to the field of foundation settlement monitoring technology for new and old buildings, and in particular to a dynamic monitoring device for the differential settlement of new and old foundations. It includes an anchoring assembly, a plug plate assembly, an assembly limiting assembly, and a fiber optic grating sensor body. Resin glue is injected between the top of the third rubber ring, the inner side of the top of the cover, and the outer side of the fiber optic tube at the top of the fiber optic grating sensor body. The column is installed on the inner wall of the second silicone sleeve, inside the connecting plate, and at the bottom of the flexible gasket. The inside of the cover, the flexible gasket, and the limiting column are assembled using stud threads. After assembly, an insulating sleeve is installed on the outer layer of the fiber optic tube of the fiber optic grating sensor body. Then, an anti-corrosion coating is uniformly sprayed onto the outer layer of the device body. In this utility model, the device body is a pre-treatment encapsulation structure for pre-embedding the fiber optic grating sensor body in concrete. The main structure forms a highly efficient waterproof and sealed assembly for the fiber optic grating sensor body.

Description

Technical Field

[0001] This utility model relates to the field of settlement monitoring technology for foundations of new and old buildings, specifically a dynamic monitoring device for the differential settlement between new and old foundations. Background Technology

[0002] A building settlement dynamic monitoring device is a system used for real-time and automated monitoring of changes in the settlement of buildings or foundations. It can promptly detect safety hazards such as uneven settlement and tilting, and provide data support for engineering safety assessment and early warning. Depending on the type of monitoring sensor selected, various installation structures of dynamic monitoring devices are formed. Taking the concrete encapsulation of the main device of the fiber optic grating sensor for dynamic monitoring of the settlement difference between new and old building foundations as an example.

[0003] The concrete encapsulation of the fiber optic grating sensor body for dynamic monitoring of settlement difference between new and old building foundations mostly adopts a non-welded pre-embedded concrete encapsulation structure. When the above-mentioned pre-embedded encapsulation structure is used to assemble and encapsulate the fiber optic grating sensor body, there are installation gaps, which makes the waterproof sealing assembly of the fiber optic grating sensor body by the main structure poor. Therefore, in order to solve the above problems, a dynamic monitoring device for settlement difference between new and old foundations is proposed. Utility Model Content

[0004] The purpose of this utility model is to provide a dynamic monitoring device for the difference in settlement between new and old foundations, which solves the problem that the waterproof sealing effect of the main structure to the fiber optic sensor body is poor due to the existence of installation gaps.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A dynamic monitoring device for the differential settlement between old and new foundations includes an anchoring assembly, a plug plate assembly, an assembly limiting assembly, and a fiber optic grating sensor body. The anchoring assembly has a plug plate assembly and an assembly limiting assembly on its top. The fiber optic grating sensor body is installed inside the anchoring assembly, the plug plate assembly, and the assembly limiting assembly. The anchoring assembly includes a base plate, a cover, a first rubber ring, a first silicone sleeve, a limiting post, and a second silicone sleeve. The cover is fixedly installed at the bottom of the base plate. The first rubber ring is installed inside the center of the base plate. The limiting post is fixedly installed inside the top of the base plate. The first silicone sleeve and the second silicone sleeve are installed in the inner groove of the top of the base plate.

[0007] Preferably, the plug plate assembly includes a connecting plate, a second rubber ring, a retaining sleeve, and a flexible gasket. The second rubber ring is installed inside the center of the connecting plate, the retaining sleeve is fixedly installed at the bottom of the connecting plate, and the flexible gasket is installed in the inner groove at the top of the connecting plate.

[0008] Preferably, the top of the plug plate assembly is provided with an assembly limiting component, which includes a cover, a third rubber ring, a column, a shell cover, a first magnetic ring, and a second magnetic ring. The third rubber ring is installed inside the center of the cover, the column is provided at the bottom of the cover, the first magnetic ring is fixedly provided at the bottom of the shell cover, and the second magnetic ring is fixedly provided inside the top of the cover. The bottom of the first magnetic ring and the top of the second magnetic ring are in magnetic contact.

[0009] Preferably, the third rubber ring is installed and placed on the top fiber optic tube of the fiber optic grating sensor body, and resin glue is filled between the top of the third rubber ring, the inner side of the top of the cover, and the outer side of the top fiber optic tube of the fiber optic grating sensor body. The second rubber ring is installed inside, the first rubber ring is installed inside, and the fiber optic grating sensor body is installed on the outer side.

[0010] Preferably, the cylindrical tube is installed on the inner wall of the second silicone sleeve, the inside of the connecting plate, and the bottom of the flexible gasket; the clamping sleeve is installed on the inner wall of the first silicone sleeve; and the inside of the cover, the inside of the flexible gasket, and the inside of the limiting post are assembled by studs.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] In this invention, the second rubber ring, the first rubber ring, and the outer side of the fiber optic grating sensor body are installed inside each other. The third rubber ring is installed on the top fiber optic tube of the fiber optic grating sensor body. Resin glue is injected between the top of the third rubber ring, the inner side of the top of the cover, and the outer side of the top fiber optic tube of the fiber optic grating sensor body. The column is installed on the inner wall of the second silicone sleeve, the inside of the connecting plate, and the bottom of the flexible gasket. The clamping sleeve is installed on the inner wall of the first silicone sleeve. The inside of the cover, the inside of the flexible gasket, and the inside of the limiting post are assembled by stud threads. After the assembly is completed, an insulating sleeve is installed on the outer layer of the fiber optic tube of the fiber optic grating sensor body. Then, an anti-corrosion coating is evenly sprayed on the outer layer of the device body. Through the above settings, the device body is a pre-treatment encapsulation structure for pre-embedding the fiber optic grating sensor body in concrete. The structure forms a highly efficient waterproof and sealed assembly for the fiber optic grating sensor body. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the upper and lower disassembled structure of the anchoring component, plug plate component, assembly limiting component, and fiber optic grating sensor body of this utility model.

[0014] Figure 2 This is a cross-sectional structural diagram of the base plate and cover of this utility model;

[0015] Figure 3 This utility model Figure 2 A magnified structural diagram at point A;

[0016] Figure 4 This is a cross-sectional structural diagram of the connecting disc and the second rubber ring of this utility model;

[0017] Figure 5 This is a schematic cross-sectional view of the cover and the third rubber ring of this utility model.

[0018] Figure 6 This is a schematic cross-sectional view of the installation of the anchoring component, plug plate component and assembly limiting component of this utility model;

[0019] Figure 7 This utility model Figure 6 A magnified structural diagram at point B;

[0020] Figure 8 This utility model Figure 6 A magnified structural diagram at point C.

[0021] In the figure: 1. Anchoring assembly; 11. Base plate; 12. Cover; 13. First rubber ring; 14. First silicone sleeve; 15. Limiting post; 16. Second silicone sleeve; 2. Plug plate assembly; 21. Connecting plate; 22. Second rubber ring; 23. Cylinder; 24. Flexible gasket; 3. Assembly limiting assembly; 31. Cover; 32. Third rubber ring; 33. Column; 34. Shell cover; 35. First magnet ring; 36. Second magnet ring; 4. Fiber optic grating sensor body. Detailed Implementation

[0022] The technical solutions of the utility model embodiments will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the utility model, and not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the utility model.

[0023] In the embodiments of the utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the position or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the 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, they should not be construed as limitations of the utility model. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Similarly, words such as "an," "a," or "the" do not indicate a quantity limitation, but rather indicate the presence of at least one. Words such as "comprising" or "including" mean that the element or object preceding the word covers the element or object listed after the word and its equivalents, without excluding other elements or objects.

[0024] Furthermore, in the embodiments of the utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0025] Please see Figure 1-8 This utility model provides a technical solution:

[0026] A dynamic monitoring device for the differential settlement of old and new foundations includes an anchoring assembly 1, a plug plate assembly 2, an assembly limiting assembly 3, and a fiber Bragg grating sensor body 4. The plug plate assembly 2 and the assembly limiting assembly 3 are set on the top of the anchoring assembly 1. The fiber Bragg grating sensor body 4 is installed inside the anchoring assembly 1, the plug plate assembly 2, and the assembly limiting assembly 3. The anchoring assembly 1 includes a base plate 11, a cover 12, a first rubber ring 13, a first silicone sleeve 14, a limiting post 15, and a second silicone sleeve 16. The cover 12 is fixedly set at the bottom of the base plate 11. The first rubber ring 13 is installed inside the center of the base plate 11. The limiting post 15 is fixedly set inside the top of the base plate 11. The first silicone sleeve 14 and the second silicone sleeve 16 are installed in the inner groove at the top of the base plate 11, forming a preliminary installation protection component for the fiber Bragg grating sensor body 4.

[0027] The plug plate assembly 2 includes a connecting plate 21, a second rubber ring 22, a retaining sleeve 23, and a flexible gasket 24. The second rubber ring 22 is installed inside the center of the connecting plate 21. The retaining sleeve 23 is fixedly installed at the bottom of the connecting plate 21. The flexible gasket 24 is installed in the inner groove at the top of the connecting plate 21. This arrangement forms the plug plate assembly 2, used for sealing and connecting the anchoring assembly 1 and the assembly limiting assembly 3. The assembly limiting assembly 3 is located at the top of the plug plate assembly 2. The assembly limiting assembly 3 includes a cover 31, a third rubber ring 32, a column 33, a shell cover 34, a first magnetic ring 35, and a second magnetic ring 36. The third rubber ring 32 is installed inside the center of the cover 31. The column 33 is located at the bottom of the cover 31. The first magnetic ring 35 is fixedly installed at the bottom of the shell cover 34. The second magnetic ring 36 is fixedly installed inside the top of the cover 31. The bottom of the first magnetic ring 35 and the top of the second magnetic ring 36 are in magnetic contact. The above-described configuration forms a disassembly and assembly limiting component 3. The third rubber ring 32 is installed and placed on the top fiber optic tube of the fiber optic sensor body 4. Resin glue is filled between the top of the third rubber ring 32, the inner side of the top of the cover 31, and the outer side of the top fiber optic tube of the fiber optic sensor body 4. The inside of the second rubber ring 22 and the inside of the first rubber ring 13 are installed and placed on the outside of the fiber optic sensor body 4. Through the above configuration, the fiber optic sensor body 4 is installed and limited as a whole. The column cylinder 33 is installed and placed on the inner wall of the second silicone sleeve 16, the inside of the connecting plate 21, and the bottom of the flexible gasket 24. The clamping cylinder 23 is installed and placed on the inner wall of the first silicone sleeve 14. The inside of the cover 31, the inside of the flexible gasket 24, and the inside of the limiting column 15 are assembled and set by stud threads. Through the above configuration, the anchoring component 1, the plug plate component 2, the assembly limiting component 3, and the fiber optic sensor body 4 are fastened and limited.

[0028] Workflow: This utility model provides a dynamic monitoring device for the differential settlement of foundations of new and old buildings. The main body of the device is a pre-treatment encapsulation structure for pre-embedding a fiber optic grating sensor body 4 in concrete. The main body of the structure forms a highly efficient waterproof and sealed assembly for the fiber optic grating sensor body 4. The inside of the second rubber ring 22, the inside of the first rubber ring 13, and the outside of the fiber optic grating sensor body 4 are installed. The third rubber ring 32 is installed with the fiber optic tube on the top of the fiber optic grating sensor body 4. Resin glue is filled between the top of the third rubber ring 32, the inner side of the top of the cover 31, and the outer side of the fiber optic tube on the top of the fiber optic grating sensor body 4. The column cylinder 33 is installed with the inner wall of the second silicone sleeve 16, the inside of the connecting plate 21, and the bottom of the flexible gasket 24. The device is installed by placing the cassette 23 inside the inner wall of the first silicone sleeve 14, and assembling the inside of the cover 31, the flexible gasket 24, and the limiting post 15 with threaded studs. After the assembly is completed, an insulating sleeve is installed on the outer layer of the fiber optic tube of the fiber optic sensor body 4. Then, an anti-corrosion coating is evenly sprayed on the outer layer of the device body. The device body is placed inside the steel reinforcement cage of the building foundation, and concrete is poured into the steel reinforcement cage. The monitoring information of the fiber optic tube of the fiber optic sensor body 4 is dynamically monitored and processed by an external demodulator and a monitoring display terminal. The operating principle and monitoring process of the fiber optic sensor body 4 are common methods in the prior art and will not be described in detail in this article.

[0029] Although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A dynamic monitoring device for the differential settlement between old and new foundations, comprising an anchoring assembly (1), a plug plate assembly (2), an assembly limiting assembly (3), and a fiber optic grating sensor body (4), characterized in that: The top of the anchoring assembly (1) is provided with a plug plate assembly (2) and an assembly limiting assembly (3). The anchoring assembly (1), the plug plate assembly (2) and the assembly limiting assembly (3) are provided with fiber optic grating sensor bodies (4). The anchoring assembly (1) includes a base plate (11), a cover (12), a first rubber ring (13), a first silicone sleeve (14), a limiting post (15) and a second silicone sleeve (16). The cover (12) is fixedly provided at the bottom of the base plate (11). The first rubber ring (13) is installed inside the center of the base plate (11). The limiting post (15) is fixedly provided inside the top of the base plate (11). The first silicone sleeve (14) and the second silicone sleeve (16) are installed in the inner groove at the top of the base plate (11).

2. The dynamic monitoring device for the settlement difference between new and old foundations according to claim 1, characterized in that: The plug plate assembly (2) includes a connecting plate (21), a second rubber ring (22), a retainer (23), and a flexible gasket (24). The second rubber ring (22) is installed inside the center of the connecting plate (21), the retainer (23) is fixedly installed at the bottom of the connecting plate (21), and the flexible gasket (24) is installed in the inner groove at the top of the connecting plate (21).

3. The dynamic monitoring device for the settlement difference between new and old foundations according to claim 2, characterized in that: The top of the plug plate assembly (2) is provided with an assembly limiting assembly (3). The assembly limiting assembly (3) includes a cover (31), a third rubber ring (32), a column (33), a shell cover (34), a first magnetic ring (35), and a second magnetic ring (36). The third rubber ring (32) is installed inside the center of the cover (31). The column (33) is provided at the bottom of the cover (31). The first magnetic ring (35) is fixedly provided at the bottom of the shell cover (34). The second magnetic ring (36) is fixedly provided inside the top of the cover (31). The bottom of the first magnetic ring (35) and the top of the second magnetic ring (36) are in magnetic contact.

4. The dynamic monitoring device for the settlement difference between new and old foundations according to claim 3, characterized in that: The third rubber ring (32) is installed and placed on the top fiber optic tube of the fiber optic sensor body (4). Resin glue is filled between the top of the third rubber ring (32), the inner side of the top of the cover (31), and the outer side of the top fiber optic tube of the fiber optic sensor body (4). The inside of the second rubber ring (22), the inside of the first rubber ring (13), and the outside of the fiber optic sensor body (4) are installed and placed.

5. The dynamic monitoring device for the settlement difference between new and old foundations according to claim 3, characterized in that: The column (33) is installed on the inner wall of the second silicone sleeve (16), the inside of the connecting plate (21) and the bottom of the flexible gasket (24). The clamp (23) is installed on the inner wall of the first silicone sleeve (14). The inside of the cover (31), the inside of the flexible gasket (24) and the inside of the limiting post (15) are assembled by stud threads.

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