Underground water level dynamic monitoring equipment for geotechnical engineering

Abstract

The utility model relates to the technical field, and discloses underground water level dynamic monitoring equipment for geotechnical engineering, which comprises a floating block and a measuring cylinder, the top of the floating block is sleeved with a threaded rod through a rotating shaft, the top surface of the threaded rod is sleeved with a threaded sleeve, the threaded sleeve is sleeved with a lifting rod, and a brake knob is arranged on the surface of the lifting rod in a penetrating manner; stabilizing mechanisms are arranged on the two sides of the floating block. According to the utility model, the threaded rod is connected with the rotating shaft of the floating block, so that when the water level rises, the threaded rod drives the lifting rod to lift in the measuring cylinder, and convenient and fast water level dynamic monitoring is completed through the change of the measuring rod and the graduated scale, thereby solving the problem of overhigh cost in the prior art; and meanwhile, stable protection of the floating block when the floating block is placed on underground water can be guaranteed through an arranged stabilizing mechanism, the connection stability of parts and the monitoring and measuring effect are improved, and the floating block can be lifted through a threaded sleeve by manually rotating a threaded rod, so that the effect of conveniently taking and placing the floating block is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of water level monitoring, in particular to a groundwater level dynamic monitoring device for geotechnical engineering. Background Art

[0002] Water level monitors are commonly used monitoring and measuring equipment in geotechnical engineering. They are used to monitor changes in groundwater levels to avoid adverse effects of drastic changes in water levels on geotechnical engineering. At the same time, the overall disturbance of groundwater during geotechnical engineering construction can be judged by observing changes in groundwater levels in the monitoring area. Currently, most existing technologies use automatic water level detectors to achieve this.

[0003] The Chinese document with the publication number CN217005964U disclosed a groundwater level monitor for geotechnical engineering, including a piston cylinder, a fixed bracket is arranged outside the piston cylinder, a piston head is arranged inside the piston cylinder, a piston rod is connected to one side of the piston head, and a floating head is connected to one end of the piston rod after extending out of the piston cylinder; the other end of the piston cylinder is connected to a water guide pipe, and the other end of the water guide pipe is connected to a water level observation tube, one end of the water level observation tube is closed, and the other end is open, and the cross-sectional area of ​​the water level observation tube is consistent with the cross-sectional area of ​​the piston cylinder. The utility model has the characteristics of small error in monitoring results, wide application range, low use cost and low professional requirements. In addition, it is easy to use. When the device is used, it only completes the stabilization work of the floating head through the guide sleeve. However, according to different geological conditions, the groundwater flow has a large instability, resulting in the device still having the problem of poor stability. At the same time, when the device is installed, the structure needs to be fixed on the wall near the water surface, resulting in inconvenience during installation and disassembly, and there are safety hazards. In view of the above problems, a groundwater level dynamic monitoring device for geotechnical engineering is provided. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a dynamic groundwater level monitoring device for geotechnical engineering, aiming to improve the problem that the prior art cannot provide effective and stable protection for the floating block, and the installation and disassembly safety and convenience are poor.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a groundwater level dynamic monitoring device for geotechnical engineering, comprising a floating block and a measuring tube, the top of the floating block is sleeved with a threaded rod through a rotating shaft, the top surface of the threaded rod is sleeved with a threaded sleeve, the outer surface of the threaded sleeve is sleeved with a lifting rod, the surface of the lifting rod is penetrated with a brake knob, and stabilizing mechanisms are arranged on both sides of the floating block;

[0006] The stabilizing mechanism includes a sway-stabilizing plate, openings are provided on both sides of the floating block, the sway-stabilizing plate passes through the openings of the floating block, axis blocks are installed on both sides of the inside of the floating block, a torsion spring is arranged inside the axis block, one end of the sway-stabilizing plate passes through the inside of the axis block and is connected to the torsion spring, and damping spring shock absorbers are arranged at both ends of the axis block.

[0007] As a further description of the above technical solution:

[0008] A slide groove is provided at the front end of the measuring cylinder, the lifting rod passes through the slide groove and is fixedly connected with sliders on both sides thereof, guide rails are provided on both sides thereof, and the sliders are slidably connected with the guide rails.

[0009] As a further description of the above technical solution:

[0010] A scale is arranged on one side of the guide rail, and a measuring rod is fixedly connected to one side of the end of the lifting rod.

[0011] As a further description of the above technical solution:

[0012] A base is installed at the bottom of the measuring tube, a ground nail is connected through a thread on the back end of the base, and the base is fixed and limited with the geotechnical structure through the ground nail.

[0013] As a further description of the above technical solution:

[0014] A cross bar is fixedly connected to one side of the base, and the threaded rod movably passes through the cross bar.

[0015] As a further description of the above technical solution:

[0016] The front end of the crossbar is movably connected with an insertion rod, the insertion rod is threadably connected with the floating block through a bottom thread, and a limiting block is arranged on the top of the insertion rod.

[0017] The utility model has the following beneficial effects:

[0018] In the utility model, a threaded rod is connected to the rotating shaft of the float block. When the water level rises, the threaded rod drives the lifting rod to rise and fall inside the measuring tube. The changes of the measuring rod and the scale are used to complete the convenient dynamic monitoring of the water level, thereby solving the problem of high cost in the prior art. At the same time, the stabilizing mechanism is set up to ensure the stability of the float block when it is placed on the groundwater, increase the stability of the component connection and the monitoring and measurement effect, and the float block can be lifted by manually rotating the threaded rod through the threaded sleeve to achieve the effect of convenient taking and placing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of a groundwater level dynamic monitoring device for geotechnical engineering proposed by the utility model;

[0020] Figure 2 This is a front view of a measuring tube of a groundwater level dynamic monitoring device for geotechnical engineering proposed by the utility model;

[0021] Figure 3 This is a schematic diagram of a stabilizing mechanism of a groundwater level dynamic monitoring device for geotechnical engineering proposed by the utility model;

[0022] Figure 4 This is a partial structural schematic diagram of a groundwater level dynamic monitoring device for geotechnical engineering proposed by the utility model;

[0023] Legend:

[0024] 1. Floating block; 2. Measuring tube; 3. Threaded rod; 4. Threaded sleeve; 5. Lifting rod; 6. Stabilizing mechanism; 601. Anti-roll plate; 602. Axis block; 603. Torsion spring; 604. Damping spring shock absorber; 7. Slide groove; 8. Slider; 9. Guide rail; 10. Scale; 11. Measuring rod; 12. Base; 13. Ground nail; 14. Cross bar; 15. Insert rod. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Reference Figure 1-4 The utility model provides an embodiment: a groundwater level dynamic monitoring device for geotechnical engineering, comprising a floating block 1 and a measuring tube 2, a threaded rod 3 is sleeved on the top of the floating block 1 through a rotating shaft, a threaded sleeve 4 is sleeved on the top surface of the threaded rod 3, a lifting rod 5 is sleeved on the outside of the threaded sleeve 4, a brake knob is provided on the surface of the lifting rod 5, and a stabilizing mechanism 6 is provided on both sides of the floating block 1;

[0027] The stabilizing mechanism 6 includes a sway-reducing plate 601, openings are provided on both sides of the floating block 1, the sway-reducing plate 601 passes through the openings of the floating block 1, and axis blocks 602 are installed on both sides of the inside of the floating block 1. A torsion spring 603 is arranged inside the axis block 602. One end of the sway-reducing plate 601 passes through the inside of the axis block 602 and is connected to the torsion spring 603. Damping spring shock absorbers 604 are arranged at both ends of the axis block 602. When shaking occurs, the sway-reducing plate 601 is driven to swing back and forth laterally inside the axis block 602. The restoring force provided by the torsion spring 603 drives the sway-reducing plate 601 to remain stable. The stability of the axis block 602 inside the floating block 1 is guaranteed by the damping spring shock absorber 604, thereby providing stable support for the floating block 1 from different directions.

[0028] A slide groove 7 is provided at the front end of the measuring tube 2, and a lifting rod 5 passes through the slide groove 7 and is fixedly connected with sliders 8 on both sides thereof. Guide rails 9 are provided on both sides of the interior of the measuring tube 2, and the sliders 8 are slidably connected with the guide rails 9. The lifting rod 5 drives the sliders 8 to slide on the guide rails 9, thereby improving the lifting stability of the structure.

[0029] A scale 10 is provided on one side of the guide rail 9, and a measuring rod 11 is fixedly connected to one end of the lifting rod 5. The measuring rod 11 is driven by the lifting rod 5 to complete the height change, and then the measuring rod 11 is compared with the scale 10 to complete the dynamic monitoring of the water level.

[0030] A base 12 is installed at the bottom of the measuring tube 2, and a ground nail 13 is threadedly connected to the back end of the base 12. The base 12 is fixed to the geotechnical structure through the ground nail 13, and the base 12 is fixed to the top of the geotechnical structure through the ground nail 13 to achieve stable support of the overall structure.

[0031] A cross bar 14 is fixedly connected to one side of the base 12 , and the threaded rod 3 movably passes through the cross bar 14 .

[0032] The front end of the cross bar 14 is movably connected with an insert rod 15, which is threadedly connected to the float 1 through the bottom thread. A limit block is set on the top of the insert rod 15. The cross bar 14 is fixedly connected to the float 1 through the insert rod 15, which further improves the structural stability. At the same time, the threaded structure is set to facilitate disassembly of the structure.

[0033] Working principle: When in use, the ground nail 13 is passed through the base 12 and fixedly connected to the rock surface structure, and then the insertion rod 15 is passed through the cross bar 14 and the bottom end is threadedly fastened to the floating block 1. After the floating block 1 is placed on the groundwater, the floating block 1 is driven to move up or down according to the real-time change of the water level. When the floating block 1 changes, the lifting rod 5 is driven by the threaded rod 3 to move inside the measuring tube 2. The lifting rod 5 moves on the guide rail 9 through the slider 8, thereby ensuring the smooth and stable change of the structure height. According to the observation of the measuring rod 11 and the scale 1 0 to complete dynamic monitoring of the water level. During the monitoring process, the stabilizing mechanism 6 can provide stable support for the floating block 1. When the groundwater undergoes large floating fluctuations, the torsion spring 603 drives the anti-roll plate 601 to complete the force unloading work of the fluctuation. At the same time, the damping spring shock absorber 604 solves the vertical shaking of the axis block 602, thereby enhancing the structural stability of the floating block 1. When disassembly is required, the brake knob on the surface of the lifting rod 5 is removed, and the threaded rod 3 is rotated to lift the floating block 1 from the water surface to a suitable height to complete safe and convenient disassembly, thereby enhancing the safety of use.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A groundwater level dynamic monitoring device for geotechnical engineering, comprising a floating block (1) and a measuring tube (2), characterized in that: The top of the floating block (1) is sleeved with a threaded rod (3) via a rotating shaft, the top surface of the threaded rod (3) is sleeved with a threaded sleeve (4), the outside of the threaded sleeve (4) is sleeved with a lifting rod (5), the surface of the lifting rod (5) is penetrated by a brake knob, and stabilizing mechanisms (6) are provided on both sides of the floating block (1); The stabilizing mechanism (6) comprises a sway-reducing plate (601), openings are provided on both sides of the floating block (1), the sway-reducing plate (601) passes through the openings of the floating block (1), axle blocks (602) are installed on both sides of the inside of the floating block (1), a torsion spring (603) is arranged inside the axle block (602), one end of the sway-reducing plate (601) passes through the inside of the axle block (602) and is connected to the torsion spring (603), and damping spring shock absorbers (604) are arranged at both ends of the axle block (602).

2. The groundwater level dynamic monitoring device for geotechnical engineering according to claim 1, characterized in that: The front end of the measuring cylinder (2) is provided with a slide groove (7), the lifting rod (5) passes through the slide groove (7) and is fixedly connected with slide blocks (8) on both sides thereof, and guide rails (9) are provided on both sides thereof, and the slide blocks (8) are slidably connected with the guide rails (9).

3. The groundwater level dynamic monitoring device for geotechnical engineering according to claim 2, characterized in that: A scale (10) is provided on one side of the guide rail (9), and a measuring rod (11) is fixedly connected to one side of the end of the lifting rod (5).

4. The groundwater level dynamic monitoring device for geotechnical engineering according to claim 1, characterized in that: A base (12) is installed at the bottom of the measuring tube (2), a ground nail (13) is threadedly connected through the back end of the base (12), and the base (12) is fixed and limited to the rock and soil structure through the ground nail (13).

5. The groundwater level dynamic monitoring device for geotechnical engineering according to claim 4, characterized in that: A cross bar (14) is fixedly connected to one side of the base (12), and the threaded rod (3) movably passes through the cross bar (14).

6. The groundwater level dynamic monitoring device for geotechnical engineering according to claim 5, characterized in that: The front end of the cross bar (14) is movably connected with an insertion rod (15), the insertion rod (15) is threadedly connected to the floating block (1) through a bottom thread, and a limit block is arranged on the top of the insertion rod (15).

Images