A deep foundation pit excavation soil deformation monitoring device
By designing structures such as the top plate, the first clamping block, the diagonal bar, the threaded bar, and the second clamping block, the problem of operators having to constantly pull on the cable in existing equipment has been solved, achieving automatic cable fixing and stable connection of the equipment, thus improving the ease of operation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 张铭珠
- Filing Date
- 2025-07-02
- Publication Date
- 2026-06-09
Smart Images
Figure CN224338311U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of foundation pit monitoring technology, specifically a deep foundation pit excavation soil deformation monitoring device. Background Technology
[0002] Deep foundation pits are a common and complex form of underground structure in civil engineering. They generally refer to foundation pit projects with an excavation depth exceeding a certain standard (generally ≥5 meters, or even if the depth is small, they must be treated as deep foundation pits in areas with complex geological conditions or sensitive environments). Based on the excavation method and support structure, deep foundation pits can be classified into slope excavation, support piles + bracing, soil nailing wall support, and reverse construction methods.
[0003] When excavating deep foundation pits, soil deformation needs to be monitored to ensure construction safety. This requires the use of appropriate monitoring equipment. Existing monitoring equipment generally uses inclinometers to calculate the horizontal displacement of the soil. This is done by inserting the inclinometer into a buried inclinometer tube to measure the tilt change along the depth direction. However, in actual use, there are still shortcomings. Since the inclinometer is raised and lowered mainly by the operator pulling the cable, the operator needs to keep pulling the cable to position the inclinometer. Therefore, the reading instrument located on the ground can only be operated with one hand. Therefore, improvements are needed. Utility Model Content
[0004] The purpose of this invention is to address the above-mentioned problems. This invention provides a soil deformation monitoring device for deep foundation pit excavation, which has the advantage of facilitating cable fixing.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a deep foundation pit excavation soil deformation monitoring device, comprising an inclinometer body, a connector threaded onto the top of the inclinometer body, a cable fixedly installed at the middle of the top of the connector, a top plate movably connected to the top of the connector, and two first clamping blocks movably connected to the left and right sides of the middle of the top of the top plate, the number of which is two, and two inclined rods hinged to the outward-facing rear ends of the two first clamping blocks, the number of which is two, and a movable block hinged to the rear end of each of the two inclined rods. The bottom end of the block is movably connected to the top end of the top plate. A rectangular block is fixedly installed in the middle of the bottom end of the movable block. The outer surface of the rectangular block is movably sleeved with the inner surface of the rear side of the top end of the top plate. A threaded rod is threaded into the middle of the rectangular block. The outer surface of the threaded rod is movably sleeved with the inner surface of the top plate. The rear end of the threaded rod passes through the top plate and extends to the outside of the top plate, and a handle is fixedly sleeved thereon. The front end of the handle is movably connected to the rear end of the top plate. A baffle located behind the rectangular block is fixedly sleeved on the outer surface of the threaded rod. The outer surface of the baffle is movably sleeved with the inner surface of the top plate.
[0006] As a preferred embodiment of this utility model, the inner ends of the front and rear ends of the two first clamping blocks are respectively movably sleeved with limiting rods, and the left and right ends of the outer surfaces of the limiting rods are respectively fixedly sleeved with fixing blocks. There are two fixing blocks, the bottom ends of the two fixing blocks are respectively fixedly connected to the top end of the top plate, and the opposite surfaces of the two fixing blocks are respectively movably connected to the opposite back surfaces of the two first clamping blocks.
[0007] As a preferred embodiment of this utility model, two support blocks are fixedly installed on the left and right sides of the bottom center of the top plate, and round rods are movably sleeved inside the front and rear ends of the two support blocks.
[0008] As a preferred embodiment of this utility model, a second clamping block is fixedly installed on the inward side of the outer surface of the round rod. There are two second clamping blocks, and they are identical in shape and size. A handle is fixedly sleeved on the outward side of the outer surface of the round rod. There are two handles, and the opposite faces of the two handles are movably connected to the opposite faces of the two support blocks, respectively.
[0009] As a preferred embodiment of this utility model, springs located outside the round rod are fixedly installed on the front and rear sides of the two second clamping blocks respectively, and the other end of the springs is fixedly connected to the outer surface of the support block.
[0010] As a preferred embodiment of this utility model, a buffer pad is fixedly installed at the bottom of the inclinometer body, and movable rods are respectively movably sleeved inside the upper and lower ends of the inclinometer body.
[0011] As a preferred embodiment of this invention, a high guide wheel is movably installed inside the left end of the movable rod, and a bottom guide wheel is movably installed inside the right end of the movable rod.
[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0013] 1. This utility model, by setting a top plate, a first clamping block, an inclined rod, a movable block, and a threaded rod, when the top plate is placed on top of the inclinometer tube, turning the handle will cause the threaded rod to rotate. Since the outer surface of the threaded rod and the inner surface of the rectangular block are threadedly connected, the rectangular block will move along with the movable block and one end of the inclined rod, thereby causing the other end of the inclined rod to exert a pulling force on the first clamping block, pulling the two first clamping blocks to move in opposite directions and clamping the cable. In this way, the cable can be fixed by means of the first clamping block, so that the operator does not need to pull the cable continuously.
[0014] 2. This utility model, by setting up a round rod, a second clamping block, a handle, and a spring, will cause the two handles to move in opposite directions along the inner surface of the support block when the handles on the left and right sides of the top plate are pulled simultaneously, thereby compressing the spring. Under the restoring action of the spring, when the handle is released, the second clamping block will return to its original position, thereby clamping the inclinometer tube through the two second clamping blocks, thus realizing the connection and fixation between the top plate and the inclinometer tube, preventing the top plate from shaking and causing the cable to continuously rub against the inner wall of the inclinometer tube. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the structure of this utility model;
[0016] Figure 2 This is a cross-sectional view of the first clamping block of this utility model;
[0017] Figure 3 This is a cross-sectional view of the rectangular block of this utility model;
[0018] Figure 4 This is a cross-sectional view of the circular rod of this utility model;
[0019] Figure 5 for Figure 3 A magnified schematic diagram of the structure at point A in the middle.
[0020] In the diagram: 1. Inclinometer body; 2. Connector; 3. Cable; 4. Top plate; 5. First clamping block; 6. Inclined rod; 7. Movable block; 8. Rectangular block; 9. Threaded rod; 10. Handle; 11. Baffle; 12. Limiting rod; 13. Fixing block; 14. Support block; 15. Round rod; 16. Second clamping block; 17. Grip; 18. Spring; 19. Buffer pad; 20. Movable rod; 21. High guide wheel; 22. Bottom guide wheel. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] like Figures 1 to 5As shown, this utility model provides a deep foundation pit excavation soil deformation monitoring device, including an inclinometer body 1. A connector 2 is threaded onto the top of the inclinometer body 1. A cable 3 is fixedly installed at the middle of the top of the connector 2. A top plate 4 is movably connected to the top of the connector 2. Two first clamping blocks 5 are movably connected to the left and right sides of the middle of the top of the top plate 4. Two inclined rods 6 are hinged to the outward-facing rear ends of the two first clamping blocks 5. A movable block 7 is hinged to the rear end of each of the two inclined rods 6. The bottom end of the movable block 7 is connected to the top end of the top plate 4. The movable block 7 has a rectangular block 8 fixedly installed at the middle of its bottom end. The outer surface of the rectangular block 8 is movably connected to the inner surface of the rear side of the top of the top plate 4. The middle of the rectangular block 8 has a threaded rod 9 threadedly connected to its inner end. The outer surface of the threaded rod 9 is movably connected to the inner surface of the top plate 4. The rear end of the threaded rod 9 passes through the top plate 4 and extends to the outside of the top plate 4, and a handle 10 is fixedly connected to it. The front end of the handle 10 is movably connected to the rear end of the top plate 4. A baffle 11 located behind the rectangular block 8 is fixedly connected to the outer surface of the threaded rod 9. The outer surface of the baffle 11 is movably connected to the inner surface of the top plate 4.
[0023] When the handle 10 is turned, the threaded rod 9 will rotate along the inner surface of the top plate 4. Since the threaded rod 9 and the rectangular block 8 are threaded together, the rectangular block 8 will move backward along the inner surface of the top plate 4 under the action of the threaded rod 9, which will cause the rear end of the inclined rod 6 to move together with the movable block 7. This will cause the front end of the inclined rod 6 to generate a pulling force on the first clamping block 5, pulling the two first clamping blocks 5 to move towards each other and clamp the cable 3. In this way, the cable can be clamped and fixed by the first clamping blocks 5.
[0024] Among them, the inner ends of the front and rear ends of the two first clamping blocks 5 are respectively movably sleeved with limiting rods 12, and the left and right ends of the outer surface of the limiting rods 12 are respectively fixedly sleeved with fixing blocks 13. There are two fixing blocks 13. The bottom ends of the two fixing blocks 13 are respectively fixedly connected to the top end of the top plate 4, and the opposite faces of the two fixing blocks 13 are respectively movably connected to the opposite back faces of the two first clamping blocks 5.
[0025] The outer surface of the limiting rod 12 and the inner surface of the first clamping block 5 are both smooth, thus ensuring that the first clamping block 5 will not get stuck when it moves along the outer surface of the limiting rod 12.
[0026] Among them, support blocks 14 are fixedly installed on the left and right sides of the bottom center of the top plate 4. There are two support blocks 14, and round rods 15 are movably sleeved inside the front and rear ends of the two support blocks 14.
[0027] The support block 14 provides support for the round rod 15, which in turn serves as a connector.
[0028] Among them, a second clamping block 16 is fixedly installed on the inner side of the outer surface of the round rod 15. There are two second clamping blocks 16, and they are the same in shape and size. A handle 17 is fixedly sleeved on the outer side of the outer surface of the round rod 15. There are two handles 17, and the opposite faces of the two handles 17 are movably connected to the opposite faces of the two support blocks 14 respectively.
[0029] The two second clamping blocks 16 have triangular grooves in the middle of their opposite faces, so that the inclinometer tube can be clamped by the cooperation of the two second clamping blocks 16.
[0030] Among them, springs 18 located outside the round rod 15 are fixedly installed on the front and rear sides of the back of the two second clamping blocks 16 respectively, and the other end of the springs 18 is fixedly connected to the outer surface of the support block 14.
[0031] When the handle 17 is pulled, causing the handle 17, along with the round rod 15 and the second clamping block 16, to move in opposite directions, the spring 18 will be compressed. Under the restoring action of the spring 18, the second clamping block 16 will be forced to return to its original position.
[0032] The inclinometer body 1 has a buffer pad 19 fixedly installed at the bottom end, and movable rods 20 are movably connected to the upper and lower ends of the inclinometer body 1, respectively.
[0033] The presence of the buffer pad 19 will serve a cushioning function, while the presence of the movable rod 20 will serve a supporting and fixing function.
[0034] The movable rod 20 has a high guide wheel 21 movably installed inside the left end and a bottom guide wheel 22 movably installed inside the right end.
[0035] The presence of the high guide wheel 21 and the bottom guide wheel 22 will guide the inclinometer body 1 after it enters the inclinometer tube.
[0036] Working principle and usage process of this utility model:
[0037] In use, the operator first turns the handle 10, causing the threaded rod 9 to rotate. This causes the rectangular block 8, which is threaded onto the outer surface of the threaded rod 9, to move along the inner surface of the top plate 4 via the movable block 7, carrying one end of the inclined rod 6. This causes the other end of the inclined rod 6 to exert a pulling force on the first clamping block 5, pulling the two first clamping blocks 5 to move towards each other along the outer surface of the limiting rod 12 and clamping the cable 3. At this time, the position of the top plate 4 on the cable 3 is also fixed. Then, the operator can align the high guide wheel 21 and the bottom guide wheel 22 with the inclinometer. The groove on the inner wall of the tube is then inserted completely into the inclinometer body 1. Then, the two handles 17 on the left and right sides of the top plate 4 are pulled simultaneously, so that the handles 17 move along the inner surface of the support block 14 through the round rod 15, causing the second clamping block 16 to move and compress the spring 18. After the bottom end of the top plate 4 contacts the top end of the inclinometer tube, the handles 17 are released. At this time, under the restoring action of the spring 18, the two second clamping blocks 16 will return to their original positions and clamp and fix the inclinometer tube, thereby connecting and fixing the top plate 4 and the inclinometer tube to prevent the top plate 4 from shaking.
[0038] Next, the operator grips the cable 3 and rotates the handle 10 in the opposite direction to release the clamping of the cable 3 by the first clamping block 5. Then, the operator can slowly insert the inclinometer body 1 into the depth of the inclinometer tube through the cable 3. After the inclinometer body 1 has penetrated to the specified distance inside the inclinometer tube, the operator rotates the handle 10 again to make the first clamping block 5 clamp the cable. Then, the operator can release the cable 3 and operate the reading instrument connected to the cable 3 to read the readings, etc., so that the operator does not need to keep pulling the cable 3.
[0039] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0040] Although embodiments of the present invention 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 present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A deep foundation pit excavation soil deformation monitoring device, comprising an inclinometer main body (1), characterized in that: The top of the inclinometer body (1) is threaded with a connector (2). A cable (3) is fixedly installed in the middle of the top of the connector (2). A top plate (4) is movably connected to the top of the connector (2). Two first clamping blocks (5) are movably connected to the left and right sides of the middle of the top of the top of the top plate (4). Two inclined rods (6) are hinged to the outward side of the rear end of the two first clamping blocks (5). Two inclined rods (6) are hinged to the rear end of the two inclined rods (6). A movable block (7) is hinged to the rear end of each of the two inclined rods (6). The bottom end of the movable block (7) is movably connected to the top of the top plate (4). The middle of the bottom end of the movable block (7) is fixed. A rectangular block (8) is fixedly installed. The outer surface of the rectangular block (8) is movably connected to the inner surface of the top rear side of the top plate (4). A threaded rod (9) is threaded in the middle of the rectangular block (8). The outer surface of the threaded rod (9) is movably connected to the inner surface of the top plate (4). The rear end of the threaded rod (9) passes through the top plate (4) and extends to the outside of the top plate (4) and is fixedly connected to a handle (10). The front end of the handle (10) is movably connected to the rear end of the top plate (4). A baffle (11) located behind the rectangular block (8) is fixedly connected to the outer surface of the threaded rod (9). The outer surface of the baffle (11) is movably connected to the inner surface of the top plate (4).
2. The deep foundation pit excavation soil mass deformation monitoring device according to claim 1, characterized in that: Limiting rods (12) are movably sleeved inside the front and rear ends of the two first clamping blocks (5). Fixing blocks (13) are fixedly sleeved on the left and right ends of the outer surface of the limiting rods (12). There are two fixing blocks (13). The bottom ends of the two fixing blocks (13) are fixedly connected to the top end of the top plate (4). The opposite faces of the two fixing blocks (13) are movably connected to the opposite back faces of the two first clamping blocks (5).
3. The deep foundation pit excavation soil mass deformation monitoring device according to claim 1, characterized in that: Support blocks (14) are fixedly installed on the left and right sides of the bottom center of the top plate (4). There are two support blocks (14), and round rods (15) are movably sleeved inside the front and rear ends of the two support blocks (14).
4. The deep foundation pit excavation soil mass deformation monitoring device according to claim 3, characterized in that: A second clamping block (16) is fixedly installed on the inner side of the outer surface of the round rod (15). There are two second clamping blocks (16) with the same shape and size. A handle (17) is fixedly sleeved on the outer side of the outer surface of the round rod (15). There are two handles (17). The opposite faces of the two handles (17) are movably connected to the opposite faces of the two support blocks (14).
5. The deep foundation pit excavation soil mass deformation monitoring device according to claim 4, characterized in that: Two second clamping blocks (16) are respectively fixedly installed on the front and rear sides of the back side of the two second clamping blocks (16) and springs (18) located outside the round rod (15). The other end of the springs (18) is fixedly connected to the outer surface of the support block (14).
6. The deep foundation pit excavation soil mass deformation monitoring device according to claim 1, characterized in that: A buffer pad (19) is fixedly installed at the bottom of the inclinometer body (1), and movable rods (20) are respectively movably sleeved inside the upper and lower ends of the inclinometer body (1).
7. The deep foundation pit excavation soil mass deformation monitoring device according to claim 6, characterized in that: A high guide wheel (21) is movably installed inside the left end of the movable rod (20), and a bottom guide wheel (22) is movably installed inside the right end of the movable rod (20).