Measuring device for foundation settlement detection

By designing a rotatable base and connecting sleeve, the problem of angular deviation in the detection device was solved, and high-precision results for foundation settlement detection were achieved.

CN223922258UActive Publication Date: 2026-02-17Longgang Municipal Agriculture and Rural Affairs Bureau +2
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Patent Information

Application Number
CN202520427711.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-12
Publication Date
2026-02-17
Estimated Expiration
2035-03-12

AI Technical Summary

Technical Problem

In existing foundation settlement detection devices, the setting of the detection arm and measuring ring can easily affect the free deflection of the sinking rod, counterweight cone, detection rod, movable ball, and spherical sleeve, resulting in inaccurate detection results.

Method used

The design includes a rotatable base, connecting sleeve, fixed shaft, swing ruler, counting scale, angle disc, spherical frame, universal ball bearings, connecting rope, and counterweight. By adjusting the device angle and observing settlement data, the verticality of the connecting rope and counterweight is ensured. Gravity-assisted support is used, and the accuracy of the detection is improved by combining two sets of data analysis.

Benefits of technology

It enables flexible adjustment of the device angle and intuitive observation of data, improving the accuracy and precision of foundation settlement detection.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223922258U_ABST
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Abstract

The utility model discloses a measuring device for foundation settlement detection, which comprises a fixed bottom plate, a rotating base is fixedly mounted at the top of the fixed bottom plate, mounting bolts are in threaded connection with four corners of the fixed bottom plate, a connecting sleeve is rotatably connected in the rotating base, a positioning groove is formed in the outer side wall of the connecting sleeve, and the positioning groove is in threaded connection with the mounting bolts. A groove is formed in the end of the positioning groove, a supporting vertical rod is inserted into the connecting sleeve, a positioning screw is in threaded connection with the outer side of the bottom end of the supporting vertical rod, a comparison assembly is movably connected into the supporting vertical rod, and a mounting assembly is fixedly connected to the top end of the supporting vertical rod. According to the device, the rotatable rotating base and the connecting sleeve are designed, so that the device can rotate, the angle of the device can be adjusted according to the actual detection situation, angle deviation and settlement data of the device installed on a pre-buried point position can be visually observed, and the device is convenient to use and high in practicability. And a more accurate detection result is obtained.
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Description

Technical Field

[0001] This utility model relates to the field of measurement technology for foundation settlement detection, specifically a measurement device for foundation settlement detection. Background Technology

[0002] Foundation settlement is the phenomenon of vertical deformation of the foundation soil layer under the action of various factors. In order to ensure building safety, optimize the construction process, protect the surrounding environment, provide data support, maintain public safety, and promptly detect uneven or excessive settlement of the foundation, foundation settlement detection and measurement devices will be used to detect foundation settlement in advance, and measures will be taken based on the detection results to prevent the problem from developing further and to prevent serious damage to the building structure.

[0003] For example, a foundation settlement detection device for building engineering disclosed in authorization announcement number CN220818961U includes a support leg and a counterweight cone. A connecting plate is installed on the outer side of the support leg, and a rotating bearing is provided on the inner side of the connecting plate. A detection arm is installed on the inner side of the rotating bearing, and a protractor is provided at the front of the rotating bearing. A measuring ring is installed at the end of the detection arm, and a sinking rod is provided inside the measuring ring. The counterweight cone is installed at the lower part of the sinking rod, and a detection rod is provided above the sinking rod. A scale is installed on the outer wall of the detection rod, and a movable ball is provided above the detection rod. A spherical sleeve is installed on the outer side of the movable ball. When this device is in use, the arrangement of the detection arm and the measuring ring will affect the free deflection of the sinking rod, the counterweight cone, the detection rod, the movable ball, and the spherical sleeve, which can easily affect the overall angle of the device and may lead to inaccurate detection results. Utility Model Content

[0004] The purpose of this utility model is to provide a measuring device for foundation settlement detection, so as to solve the problem mentioned in the background art that the setting of the detection arm and measuring ring will affect the free deflection of the sinking rod, counterweight cone, detection rod, movable ball and spherical sleeve, which can easily affect the overall angle of the device and may lead to inaccurate detection results.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a measuring device for foundation settlement detection, comprising a fixed base plate, a rotating base fixedly mounted on the top of the fixed base plate, mounting bolts threaded to the four corners of the fixed base plate, a connecting sleeve rotatably connected inside the rotating base, a positioning groove formed on the outer wall of the connecting sleeve, a recessed groove formed at the end of the positioning groove, a supporting rod inserted inside the connecting sleeve, a positioning screw threaded to the outer bottom end of the supporting rod, a comparison component movably connected inside the supporting rod, and an installation component fixedly connected to the top end of the supporting rod. The installation assembly contains positioning components and a center of gravity positioning component. The device, through its rotatable base and connecting sleeve, allows for overall rotation, enabling angle adjustments based on actual testing conditions. The design incorporates a fixed shaft, swing scale, counting scale, angle disc, spherical frame, universal ball bearings, connecting rope, and counterweight, allowing for direct observation of angular offset and settlement data at pre-embedded points. This ensures the connecting rope and counterweight remain vertical. Comparing data from the swing scale and angle disc allows for analysis of the test results, facilitating more accurate assessment.

[0006] Preferably, the comparison component includes a mounting hole located in the middle of the support column. A fixed shaft is fixedly mounted on the top of the mounting hole. A swing ruler is rotatably connected to the middle of the fixed shaft. Counting scales are equidistantly opened on one side of the swing ruler. An angle plate is fixedly connected to one end of the fixed shaft. After the support column shifts, the shift angle can be accurately read and compared with the data from the initial construction of the building, making it easy to intuitively obtain the settlement result of the building.

[0007] Preferably, the installation assembly includes a connecting frame, which is fixedly connected to the top of the support pole. A spherical frame is fixedly connected to one side of the connecting frame. Multiple universal ball bearings are fixedly connected to the inner wall of the spherical frame. A rotating ball is movably connected inside the spherical frame, and the rotating ball can rotate freely inside the spherical frame, making it convenient to observe the direction of building settlement directly.

[0008] Preferably, the bottom end of the rotating ball is fixedly connected to an internally threaded tube, the middle of the inner wall of the rotating ball is fixedly connected to a fixed toothed tube, and a circular through hole is opened on one side of the rotating ball to facilitate braking and contact restriction of the adjusting shaft and to facilitate winding of the connecting rope.

[0009] Preferably, the positioning component includes four connecting columns, which are symmetrically fixedly connected to the inner wall of the rotating sphere. Two fixed vertical plates are symmetrically fixedly connected to the ends of the four connecting columns. Guide plates are fixedly connected to the bottom ends of the two fixed vertical plates. A through hole is provided in the middle of the guide plate. An adjusting shaft is rotatably connected between the two fixed vertical plates. The adjusting shaft passes through a fixed toothed tube. A rotating toothed block is fixedly connected to one end of the adjusting shaft. The rotating toothed block and the fixed toothed tube are meshed together, which facilitates the restriction of the position of the connecting rope and the adjustment of the release length of the connecting rope.

[0010] Preferably, the center of gravity positioning component includes a take-up roller, which is fixedly connected to the middle of the adjusting shaft. A return spring is movably connected to one side of the take-up roller and is sleeved on the outside of the adjusting shaft. A connecting rope is wound around the outside of the take-up roller, and a counterweight is connected to the bottom end of the connecting rope. An external threaded tube is fixedly connected to the top end of the counterweight, and the external threaded tube and the internal threaded tube are threaded together, which facilitates the storage of the counterweight and the connecting rope and makes the device easy to carry.

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

[0012] The design of the rotating base, connecting sleeve, positioning groove, and positioning screw makes it easy to assemble and disassemble the support column and the connecting sleeve, and the orientation of the support column can be adjusted according to the actual testing situation.

[0013] By designing a fixed axis, a swing ruler, a counting scale, and an angle dial, the offset angle and settlement verticality can be read intuitively after the support pole rotates and shifts.

[0014] The spherical frame and universal ball bearings allow the rotating sphere to rotate freely within the frame, facilitating a direct and intuitive connection to the building's offset orientation. Simultaneously, the connecting rope and counterweight follow the rotation, utilizing the principle of downward gravity to further assist in determining the offset angle of the swing ruler. By comparing the two sets of data and combining the calculation results, the detection accuracy of the device is improved.

[0015] The adjustable shaft, fixed toothed tube, rotating toothed block, winding roller, external threaded tube, and internal threaded tube are designed to allow for the conversion between fixed and free states of the adjustable shaft, facilitating the release and winding of the connecting rope. After use, the counterweight and internal threaded tube can be connected for easy carrying. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0017] Figure 2 This is a schematic diagram of the internal structure of the support pole of this utility model;

[0018] Figure 3 This utility model Figure 2 A magnified view of the structure at point A in the middle;

[0019] Figure 4 This is a schematic diagram of the internal structure of the rotating sphere of this utility model.

[0020] In the diagram: 1. Fixed base plate; 2. Mounting bolt; 3. Rotating base; 4. Connecting sleeve; 5. Positioning groove; 6. Supporting upright; 7. Positioning screw; 8. Mounting hole; 9. Fixed shaft; 10. Swinging ruler; 11. Counting scale; 12. Angle plate; 13. Connecting frame; 14. Spherical frame; 15. Universal ball bearing; 16. Connecting column; 17. Fixed vertical plate; 18. Adjusting shaft; 19. Fixed toothed tube; 20. Rotating toothed block; 21. Rewinding roller; 22. Guide plate; 23. Connecting rope; 24. Counterweight; 25. External threaded tube; 26. Internal threaded tube; 27. Return top spring; 28. Rotating ball. Detailed Implementation

[0021] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0022] Please see Figure 1-4 This utility model provides a measuring device for foundation settlement detection, including a fixed base plate 1, which can be regarded as a pre-embedded detection benchmark in the building. A rotating base 3 is fixedly installed on the top of the fixed base plate 1. The four corners of the fixed base plate 1 are threaded with mounting bolts 2. During use, the fixed base plate 1 is fixed by the mounting bolts 2. A connecting sleeve 4 is rotatably connected inside the rotating base 3. A positioning groove 5 is opened on the outer wall of the connecting sleeve 4. A groove is opened at the end of the positioning groove 5. A support rod 6 is inserted into the connecting sleeve 4. The end of the support rod 6 may be made of transparent material. A positioning screw 7 is threadedly connected to the outer side of the bottom end of the support rod 6. The end of the positioning screw 7 matches the groove to prevent the positioning screw 7 from sliding in the positioning groove 5 after positioning the support rod 6. A comparison component is movably connected inside the support rod 6. An installation component is fixedly connected to the top of the support rod 6. The installation component contains a positioning component and a center of gravity positioning component.

[0023] Furthermore, the comparison component includes a mounting hole 8, which is located in the middle of the support pole 6. A fixed shaft 9 is fixedly mounted on the top of the mounting hole 8. A swing scale plate 10 is rotatably connected to the middle of the fixed shaft 9. The main body of the swing scale plate 10 is made of transparent material to prevent it from affecting the reading of the angle dial 12. The swing scale plate 10 can rotate around the fixed shaft 9 as the axis. When the vertical angle of the support pole 6 deviates, the swing scale plate 10 rotates around the fixed shaft 9 as the axis. Counting scales 11 are equidistantly opened on one side of the swing scale plate 10. An angle dial 12 is fixedly connected to one end of the fixed shaft 9.

[0024] Furthermore, the installation components include a connecting frame 13, which is fixedly connected to the top of the support pole 6. A spherical frame 14 is fixedly connected to one side of the connecting frame 13. Multiple universal balls 15 are fixedly connected to the inner wall of the spherical frame 14. A rotating ball 28 is movably connected inside the spherical frame 14. The surface of the rotating ball 28 is in contact with the universal balls 15, and the rotating ball 28 can rotate freely.

[0025] Furthermore, an internally threaded tube 26 is fixedly connected to the bottom end of the rotating ball 28, a fixed toothed tube 19 is fixedly connected to the middle of the inner side wall of the rotating ball 28, and a circular through hole is opened on one side of the rotating ball 28, through which the adjusting shaft 18 can be inserted and removed.

[0026] Furthermore, the positioning assembly includes four connecting posts 16, which are symmetrically fixedly connected to the inner wall of the rotating ball 28. The four connecting posts 16 are divided into two groups, and their ends are connected to the fixed vertical plates 17. Two fixed vertical plates 17 are symmetrically fixedly connected to the ends of the four connecting posts 16. Guide plates 22 are fixedly connected to the bottom ends of the two fixed vertical plates 17. A through hole is opened in the middle of the guide plate 22. An adjusting shaft 18 is rotatably connected between the two fixed vertical plates 17. The adjusting shaft 18 passes through the fixed toothed tube 19. A rotating toothed block 20 is fixedly connected to one end of the adjusting shaft 18. The rotating toothed block 20 and the fixed toothed tube 19 are engaged.

[0027] Furthermore, the center of gravity positioning component includes a take-up roller 21, which is fixedly connected to the middle of the adjusting shaft 18. A reset top spring 27 is movably connected to one side of the take-up roller 21 and is sleeved on the outside of the adjusting shaft 18. A connecting rope 23 is wound around the outside of the take-up roller 21, and a counterweight 24 is connected to the bottom end of the connecting rope 23. An external threaded tube 25 is fixedly connected to the top end of the counterweight 24. The external threaded tube 25 and the internal threaded tube 26 are threaded together. By screwing the external threaded tube 25 and the internal threaded tube 26 together, the counterweight 24 can be connected to the bottom of the spherical frame 14.

[0028] When using the device, first install the fixed base plate 1 in a suitable position according to the testing requirements using the mounting bolts 2. Then insert the support rod 6 into the connecting sleeve 4 so that the positioning screw 7 and the positioning groove 5 are aligned. Then rotate the support rod 6 so that the positioning screw 7 slides along the positioning groove 5 until the positioning screw 7 and the groove are aligned. Then tighten the positioning screw 7 until the end of the positioning screw 7 contacts the groove. Finally, install the connecting bracket 13 on the end of the support rod 6 using bolts.

[0029] Although the present invention 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 invention should be included within the protection scope of the present invention.

Claims

1. A measuring device for detecting ground settlement, comprising a fixed base plate (1), characterised in that: The fixed bottom plate (1) top fixed installation has rotating base (3), four corners of fixed bottom plate (1) are screw connected with installation bolt (2), rotating base (3) inside rotation is connected with connecting sleeve (4), connecting sleeve (4) outside wall is equipped with positioning slot (5), positioning slot (5) end is equipped with recess, connecting sleeve (4) inside is inserted with support vertical rod (6), support vertical rod (6) bottom outside screw is connected with positioning screw rod (7), support vertical rod (6) inside movably connected with contrast assembly, support vertical rod (6) top fixedly connected with installation assembly, installation assembly inside is installed with positioning assembly and barycenter positioning assembly.

2. The measurement device for detecting ground settlement according to claim 1, wherein: The contrast assembly includes a mounting hole (8), which is provided in the middle of the support vertical rod (6), and the mounting hole (8) is provided with a fixed shaft (9) on the top, the fixed shaft (9) is rotatably connected with a swing ruler (10) in the middle, the swing ruler (10) is provided with a counting scale (11) equidistantly on one side, and the fixed shaft (9) is fixedly connected with a protractor (12) at one end.

3. The measuring device for detecting ground settlement according to claim 1, wherein: The installation assembly includes a connecting frame (13), which is fixedly connected to the top of the support vertical rod (6), and the connecting frame (13) is fixedly connected with a spherical frame (14) on one side, the spherical frame (14) is fixedly connected with a plurality of universal ball bearings (15) on the inner wall, and the spherical frame (14) is movably connected with a rotating ball (28) inside.

4. The measurement device for detecting ground settlement according to claim 3, wherein: The rotating ball (28) is fixedly connected with an internal threaded pipe (26) at the bottom, the rotating ball (28) is fixedly connected with a fixed tooth pipe (19) on the inner side wall in the middle, and a circular through hole is formed in one side of the rotating ball (28).

5. The measuring device for detecting ground settlement according to claim 1, wherein: The positioning assembly includes four connecting columns (16), which are fixedly connected to the inner wall of the rotating ball (28) symmetrically, and the end of the connecting column (16) is fixedly connected with two fixed vertical plates (17) symmetrically, the bottom of the two fixed vertical plates (17) is fixedly connected with a guide plate (22), the middle of the guide plate (22) is provided with a through hole, the two fixed vertical plates (17) are rotatably connected with an adjusting shaft (18) between them, the adjusting shaft (18) passes through the fixed tooth pipe (19), one end of the adjusting shaft (18) is fixedly connected with a rotating tooth block (20), and the rotating tooth block (20) is meshed with the fixed tooth pipe (19).

6. The measurement device for detecting ground settlement according to claim 1, wherein: The barycenter positioning assembly includes a winding roller (21), which is fixedly connected to the middle of the adjusting shaft (18), and the winding roller (21) is movably connected with a return top spring (27) on one side, the return top spring (27) is sleeved on the outer side of the adjusting shaft (18), the outer side of the winding roller (21) is wound with a connecting rope (23), the bottom of the connecting rope (23) is connected with a counterweight (24), the top of the counterweight (24) is fixedly connected with an external threaded pipe (25), and the external threaded pipe (25) is threadedly connected with the internal threaded pipe (26).

Citation Information

Patent Citations

  • Foundation settlement detection device for constructional engineering

    CN220818961U