A soil dam seepage monitoring device

Abstract

The utility model provides a seepage monitoring device for earth dams, which mainly relates to the technical field of water conservancy engineering equipment. A seepage monitoring device for earth dams, comprising a seepage pressure tube and a piezometer for measuring seepage pressure, wherein the piezometer is powered by a data transmission cable, and a support plate is provided inside the seepage pressure tube, and the position of the support plate is adjusted by a lifting assembly. The beneficial effect of the utility model is that when the device is in use, the piezometer provided inside the seepage pressure tube is supported by a support plate with an adjustable height, and the piezometer is placed on the top of the support plate to work by adjusting the height of the support plate during use, which can prevent the position of the piezometer from changing after the data transmission cable becomes loose, thereby ensuring the detection effect of the piezometer.

Description

Technical Field

[0001] The utility model mainly relates to the technical field of water conservancy engineering equipment, in particular to a soil dam seepage monitoring device. Background Art

[0002] There are many dams in my country, and their safety is related to the safety of life and property of the people downstream. It is urgent to measure the infiltration line data of the dam body stably and reliably and grasp it in real time, which is an important basis for the safety analysis of the dam. According to the current "Design Code for Dyke Engineering" GB50286-98 and "Design Code for Rolled Earth-Rock Dam" SL274-2001 of water conservancy projects: In order to monitor the safe operation of embankments and earth-rock dams, embankments with a level of 2 or above and dams with a height of more than 30m at levels 3, 4, and 5 should be equipped with seepage observation facilities to observe and grasp the pore pressure of the dam body infiltration line and dam foundation at any time. In practice, the traditional method is to drill a well with a small diameter at a certain distance on the cross section of the dam, set a pressure measuring tube inside, and then measure the water pressure and seepage pressure in the pressure measuring tube to obtain the measured data. Some larger dams will be equipped with observation corridors, and the aforementioned pressure measuring tubes are set in the observation corridors for technical personnel to observe.

[0003] Traditional piezometers are fixed with cables passing through the holes in the pipes. As time goes by and the holes become loose, the cables are prone to loosening and deformation, causing the elevation of the piezometer to change, thus affecting the accuracy of the measurement data. It is not convenient to calibrate and adjust the cable length in the piezometer under the on-site environment of the dam body, and the piezometer has to be replaced entirely, which is time-consuming, labor-intensive and economically wasteful. Utility Model Content

[0004] In order to solve the deficiencies of the prior art, the utility model provides a soil dam seepage monitoring device, which is implemented through the following technical solutions:

[0005] A seepage monitoring device for an earth dam comprises a seepage pressure tube and a piezometer for measuring seepage pressure, the piezometer is powered by a data transmission cable, a support plate is arranged in the seepage pressure tube, and the position of the support plate is adjusted by a lifting assembly.

[0006] Furthermore, the lifting assembly includes a slider, the top surface of the slider is provided with a vertical through hole, a lower support plate is fixedly installed at the bottom of one side of the inner wall of the pressure tube, a vertical plate is fixedly installed on one side of the top surface of the pressure tube, an upper support plate is fixedly installed on one side of the vertical plate, a sliding rod is fixedly installed on the bottom surface of the upper support plate, the lower end of the sliding rod is fixedly connected to the top surface of the lower support plate, the sliding rod vertically penetrates the through hole and is slidably connected thereto, one side of the slider is fixedly connected to one side of the support plate, and a lifting mechanism is provided on the other side of the slider.

[0007] Furthermore, the lifting mechanism includes a guide wheel, and brackets are respectively fixedly installed on the top surface of the lower support plate and the bottom surface of the upper support plate, a rotating shaft is rotatably installed in the bracket, and a guide wheel is fixedly installed on the rotating shaft, and a connecting block is fixedly installed on the other side of the slider, the upper end of the connecting block is fixedly connected to one end of the rope, the rope passes around the two guide wheels in sequence from top to bottom, and the other end of the rope is fixedly connected to the lower end of the connecting block, and a locking assembly capable of fixing the rope is provided on the upper support plate.

[0008] Furthermore, the locking assembly includes a screw, a screw hole is opened on the top surface of the upper support plate, a screw is installed in cooperation with the inner thread of the screw hole, a rubber block is fixedly installed on the lower end of the screw, the rubber block is arranged opposite to the guide wheel located above, and the bottom surface of the rubber block can abut against the top of the guide wheel located above.

[0009] Furthermore, a grip rod is fixedly mounted on the upper end of the screw rod.

[0010] Furthermore, a handle is fixedly mounted on one end of the rotating shaft located at the top.

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

[0012] When in use, the device supports the piezometer arranged inside the piezometer tube by a support plate with adjustable height. The piezometer is placed on the top of the support plate by adjusting the height of the support plate to enable it to work, which can prevent the position of the piezometer from changing after the data transmission cable becomes loose, thereby ensuring the detection effect of the piezometer. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 yes Figure 1 Partial enlarged view of Ⅰ;

[0015] Figure 3 yes Figure 1 Ⅱ partial enlarged view;

[0016] Figure 4 yes Figure 1 Partial enlarged view of Ⅲ;

[0017] Figure 5 It is a structural schematic diagram of the guide wheel.

[0018] The numbers shown in the accompanying drawings are: 1. osmotic tube; 2. osmometer; 3. data transmission cable; 4. support plate; 5. slider; 6. through hole; 7. lower support plate; 8. vertical plate; 9. upper support plate; 10. slide bar; 11. guide wheel; 12. bracket; 13. rotating shaft; 14. connecting block; 15. rope; 16. screw; 17. rubber block; 18. grip; 19. handle. DETAILED DESCRIPTION

[0019] The utility model is further described in conjunction with the accompanying drawings and specific embodiments. It should be understood that these embodiments are only used to illustrate the utility model and are not used to limit the scope of the utility model. In addition, it should be understood that after reading the content taught by the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by this application.

[0020] Embodiment: A soil dam seepage monitoring device

[0021] like Figure 1-5 As shown, a soil dam seepage monitoring device, the specific structure of which includes:

[0022] An osmotic pressure tube 1 and an osmometer 2 for measuring seepage pressure, the osmometer 2 is powered by a data transmission cable 3, the data transmission cable 3 is fixedly mounted on the top of the osmometer 2 and electrically connected thereto, a support plate 4 is provided in the osmotic pressure tube 1, and the position of the support plate 4 is adjusted by a lifting assembly.

[0023] The lifting assembly includes a slider 5, the top surface of which is provided with a through hole 6 that passes vertically, a lower support plate 7 that is fixedly installed at the bottom of one side of the inner wall of the pressure tube 1, a vertical plate 8 that is fixedly installed at one side of the top surface of the pressure tube 1, an upper support plate 9 that is fixedly installed at one side of the vertical plate 8, a slide bar 10 that is fixedly installed at the bottom surface of the upper support plate 9, the lower end of the slide bar 10 that is fixedly connected to the top surface of the lower support plate 7, the slide bar 10 that passes vertically through the through hole 6 and is slidably connected thereto, one side of the slider 5 that is fixedly connected to one side of the support plate 4, and a lifting mechanism that is provided at the other side of the slider 5. When this structural design is in use, the slider 5 can be limited by the mutual cooperation between the slide bar 10 and the through hole 6 on the slider 5, so that the slider 5 can only drive the support plate 4 connected thereto to move vertically along the slide bar 10, and the lifting mechanism can facilitate the user to adjust the position of the slider 5 and the support plate 4.

[0024] The lifting mechanism includes a guide wheel 11, and a bracket 12 is fixedly installed on the top surface of the lower support plate 7 and the bottom surface of the upper support plate 9 respectively. A rotating shaft 13 is rotatably installed in the bracket 12, and the guide wheel 11 is fixedly installed on the rotating shaft 13. A connecting block 14 is fixedly installed on the other side of the slider 5, and the upper end of the connecting block 14 is fixedly connected to one end of a rope 15. The rope 15 passes around the two guide wheels 11 in sequence from top to bottom, and the other end of the rope 15 is fixedly connected to the lower end of the connecting block 14. A locking assembly capable of fixing the rope 15 is provided on the upper support plate 9. When this structural design is in use, after the rope 15 is tied to the two guide wheels 11, the two ends of the rope 15 are fixedly connected to the two ends of the connecting block 14 respectively, and the rope 15, the connecting block 14 and the two guide wheels 11 form a ring structure. When the user rotates the rope 15, the rope 15 can drive the slider 5 to move up and down through the connecting block 14 connected thereto, thereby realizing the adjustment of the height of the support plate 4. The structure is simple and easy to use.

[0025] The locking assembly includes a screw 16. A screw hole is provided on the top surface of the upper support plate 9. The screw 16 is installed in cooperation with the inner thread of the screw hole. A rubber block 17 is fixedly installed at the lower end of the screw 16. The rubber block 17 is arranged opposite to the guide wheel 11 located above, and the bottom surface of the rubber block 17 can abut against the top of the guide wheel 11 located above. When this structural design is used, the screw 16 can be moved up and down along the screw hole by rotating it, so that the screw 16 drives the rubber block 17 to move. When the wire rope 15 needs to be fixed, the rubber block 17 is moved downward, so that the rubber block 17 cooperates with the corresponding guide wheel 11 to clamp and fix the wire rope 15, thereby preventing the wire rope 15 from moving and fixing the position of the wire rope 15.

[0026] A grip rod 18 is fixedly mounted on the upper end of the screw rod 16. This structural design can facilitate the user to rotate the screw rod 16.

[0027] A handle 19 is fixedly mounted on one end of the rotating shaft 13 located above. This structural design can facilitate the professional rotation of the corresponding rotating shaft 13, thereby realizing the rotation of the guide wheel 11 located above, and facilitating the rotation of the wire rope 15 through the rotation of the guide wheel 11.

[0028] The present solution also includes a controller, the position of which is set by the staff according to actual conditions during operation. The controller is used to control the electrical devices used in the present solution, including but not limited to sensors, motors, telescopic rods, water pumps, solenoid valves, heating wires, heat pumps, display screens, computer input devices, switch buttons, communication equipment, lights, speakers and microphones; the controller is an Intel processor, an AMD processor, a PLC controller, an ARM processor or a single-chip microcomputer, and the supporting motherboard, memory stick, storage medium and power supply are also included therewith, and the power supply is AC or a lithium battery; when a display screen is provided, a display card is also provided; for the operating principle of the controller, please refer to "Principles of Automatic Control", "Principles of Microcontrollers and Application Simulation Cases" and "Principles and Applications of Sensors" published by Tsinghua University Press, and other books in the field can be used for reference; other automatic controls and electrical devices not mentioned are all knowledge well known to those skilled in the art and will not be repeated here.

[0029] Working principle:

[0030] When the device is in use, the position of the support plate 4 is adjusted and fixed by the lifting assembly, and then the piezometer 2 is lowered into the osmosis tube 1, and the piezometer 2 is made to contact with the support plate 4. The piezometer 2 is supported by the support plate 4, which can prevent the position of the piezometer 2 from dropping during use, thereby improving the use effect of the piezometer 2.

[0031] In the interpretation of the present invention, it should be noted that the terminology indicating the orientation is only for the convenience of description and understanding, and is not the only limitation on the installation position of the specific technical features, and does not exclude other possible installation methods.

[0032] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A seepage monitoring device for an earth dam, comprising a seepage pressure tube (1) and a piezometer (2) for measuring seepage pressure, wherein the piezometer (2) is powered by a data transmission cable (3), and is characterized in that: A support plate (4) is provided inside the pressure tube (1), and the position of the support plate (4) is adjusted by a lifting assembly.

2. The earth dam seepage monitoring device according to claim 1, characterized in that: The lifting assembly comprises a slider (5), the top surface of the slider (5) is provided with a through hole (6) which passes vertically therethrough, a lower support plate (7) is fixedly mounted on the bottom of one side of the inner wall of the pressure tube (1), a vertical plate (8) is fixedly mounted on one side of the top surface of the pressure tube (1), an upper support plate (9) is fixedly mounted on one side of the vertical plate (8), a sliding rod (10) is fixedly mounted on the bottom surface of the upper support plate (9), the lower end of the sliding rod (10) is fixedly connected to the top surface of the lower support plate (7), the sliding rod (10) passes vertically through the through hole (6) and is slidably connected thereto, one side of the slider (5) is fixedly connected to one side of the support plate (4), and the other side of the slider (5) is provided with a lifting mechanism.

3. The earth dam seepage monitoring device according to claim 2, characterized in that: The lifting mechanism comprises a guide wheel (11), a bracket (12) is fixedly mounted on the top surface of the lower support plate (7) and the bottom surface of the upper support plate (9), a rotating shaft (13) is rotatably mounted in the bracket (12), the guide wheel (11) is fixedly mounted on the rotating shaft (13), a connecting block (14) is fixedly mounted on the other side of the slider (5), the upper end of the connecting block (14) is fixedly connected to one end of a wire rope (15), the wire rope (15) passes around the two guide wheels (11) in sequence from top to bottom, and the other end of the wire rope (15) is fixedly connected to the lower end of the connecting block (14), and a locking assembly capable of fixing the wire rope (15) is provided on the upper support plate (9).

4. The earth dam seepage monitoring device according to claim 3, characterized in that: The locking assembly comprises a screw rod (16), a screw hole is formed on the top surface of the upper support plate (9), the screw rod (16) is mounted in the screw hole through a threaded connection, a rubber block (17) is fixedly mounted on the lower end of the screw rod (16), the rubber block (17) is arranged opposite to the guide wheel (11) located above, and the bottom surface of the rubber block (17) can abut against the top of the guide wheel (11) located above.

5. The earth dam seepage monitoring device according to claim 4, characterized in that: A grip rod (18) is fixedly mounted on the upper end of the screw rod (16).

6. The earth dam seepage monitoring device according to claim 3, characterized in that: A handle (19) is fixedly mounted on one end of the rotating shaft (13) located at the top.

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