Underground water measuring device for engineering investigation

Abstract

The underground water measuring device comprises a fixing plate, a bottom block is arranged on the side face of the fixing plate, moving grooves are evenly formed in the circumferential side face of the bottom block, moving cylinders are slidably connected to the inner walls of the circumferential side faces of the moving grooves, and second springs are fixedly connected between the side faces of the moving cylinders and the inner walls of the side faces of the moving grooves. Pointed columns are in threaded connection with the inner wall of the circumferential side face of the movable cylinder. According to the drilling device, the bottom block is arranged, the device is moved to the position above a drill hole, a lead screw is rotated, the lead screw drives a square column to move, the square column drives an arc-shaped block to move, the square block is squeezed into a movable groove, the square block drives a fixed column to be squeezed on the side face of the movable groove, the bottom block is placed into the drill hole, and the arc-shaped block abuts against the hole wall of the drill hole; the motor is started and drives the winding shaft to slowly release the connecting rope, and the balancing weight drives the bottom block to move through self weight.

Description

Technical Field

[0001] The utility model relates to the technical field of groundwater measuring devices, in particular to a groundwater measuring device used for engineering surveys. Background Art

[0002] The groundwater level measurement room needs to use a water level measuring instrument to extend into the ground to measure the water level, such as the utility model patent with application number 202121766050.2, which is named a groundwater level measuring device for water quality monitoring. When the detection head moves to the water level surface, the sensor inside the detection head feeds back a pulse signal to the servo motor, the servo motor stops rotating, and the detection head detects the groundwater level. The detection head transmits the data to the inside of the detector through a cable. The detector performs logical processing and feeds back the data to the operator's receiving terminal. The servo motor is turned on, and the servo motor rotates in the opposite direction to lift the detection head to the initial position, thereby realizing a stable lifting drive of the groundwater level measuring device and improving the stability of the groundwater level measuring device during use; however, the patented device will cause errors in the water level measurement results of the device due to the inability of the wire rope to maintain a vertical state when falling, thereby affecting the accuracy of the device's water level measurement. Utility Model Content

[0003] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a groundwater measuring device for engineering survey.

[0004] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0005] A groundwater measuring device for engineering surveys comprises a fixed plate, a bottom block is provided on the side of the fixed plate, movable grooves are evenly opened on the circumferential side of the bottom block, a movable cylinder is slidably connected to the inner wall of the circumferential side of the movable groove, a spring is fixedly connected between the side of the movable cylinder and the inner wall of the side of the movable groove, a pointed column is threadedly connected to the inner wall of the circumferential side of the movable cylinder, the other end of the pointed column extends to the outside of the bottom block, a counterweight block is fixedly connected to the top of the bottom block, an inclined groove is opened between the top and bottom of the counterweight block, a connecting rope passing through the inclined groove is slidably connected between the top and bottom of the bottom block, and the bottom of the connecting rope is fixedly connected to the measuring instrument body located below the bottom block.

[0006] Preferably, the circumferential side surface of the bottom block is evenly provided with movable grooves located below the movable groove, the bottom inner wall of the movable groove is slidably connected with a square block, the side surface of the square block extends to the outside of the bottom block, the side surface of the square block is fixedly connected with a fixed column, the other side of the fixed column rests on the side inner wall of the movable groove, and a spring 1 surrounding the fixed column is fixedly connected between the side surface of the square block and the side inner wall of the movable groove.

[0007] Preferably, the top of the square block is fixedly connected to a movable block, the top of the movable block is slidably connected to the top inner wall of the movable groove, and a fixed rope passing through the bottom block is fixedly connected between the side of the movable block and the side of the movable cylinder.

[0008] Preferably, a square groove is opened on the side of the square block, a square column is slidably connected to the bottom inner wall of the square groove, and an arc block located outside the bottom block is fixedly connected to the side of the square column.

[0009] Preferably, the inner thread of the square block is connected to a screw rod, one end of the screw rod extends to the circumferential side surface of the arc-shaped block, and the circumferential side surface of the screw rod is rotatably connected to the interior of the square column.

[0010] Preferably, the side of the fixed plate is fixedly connected to a fixed cylinder, the side of the fixed plate is fixedly connected to a circular plate located inside the fixed cylinder, the side of the fixed plate is fixedly connected to a motor aligned with the fixed cylinder, the output shaft of the motor is fixedly connected to a rotating shaft, and the other end of the rotating shaft is fixedly connected to a winding shaft located inside the fixed cylinder.

[0011] Preferably, the other end of the winding shaft is rotatably connected to the side surface of the circular plate, and one end of the connecting rope passes through the fixed cylinder and is wound around the circumferential side surface of the winding shaft.

[0012] Compared with the prior art, the present invention provides a groundwater measuring device for engineering survey, which has the following beneficial effects:

[0013] Through the set bottom block, the device is moved to the top of the drill hole, the screw rod is rotated, the screw rod drives the square column to move, the square column drives the arc block to move, and the square block is squeezed into the movable groove, so that the square block drives the fixed column to squeeze on the side of the movable groove, and the bottom block is placed in the drill hole so that the arc block is against the wall of the drill hole, and the motor is started. The motor drives the reel to slowly release the connecting rope, and the counterweight block drives the bottom block to move by its own weight. When the bottom block moves to the bottom of the drill hole, the arc block is separated from the drill hole, and the spring drives the square block to move, and the square block drives the square column to move, and the square column drives the arc block to slightly extend a short distance out of the drill hole. At the same time, the square block drives the movable block to move, so that the movable block relaxes the fixed rope, and the spring pushes the movable block to move. The movable cylinder moves, and the movable cylinder drives the pointed column to move, so that the pointed column is stuck on the wall of the borehole, thereby fixing the bottom block to the bottom of the borehole wall, and continuing to release the connecting rope. The connecting rope measures the groundwater along with the measuring instrument body, and the connecting rope of a large distance between the reel and the bottom block remains in a taut numerical state, which is beneficial for the device to reduce the influence of the connecting rope released in excess on the water level measurement of the device because the connecting rope cannot maintain a vertical state when falling, thereby improving the accuracy of the water level measurement of the device. After the device is completed, pull the connecting rope, and the connecting rope drives the measuring instrument body to squeeze the bottom block. The arc block is squeezed by the bottom of the borehole wall and moves toward the inside of the movable groove. Then the connecting rope continues to drive the device to move out along the borehole. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of a groundwater measuring device for engineering surveys proposed by the present invention;

[0015] Figure 2 This is a schematic diagram of the internal structure of a groundwater measuring device for engineering surveys proposed by the present invention;

[0016] Figure 3 This is a partial structural diagram of a groundwater measuring device for engineering survey proposed by the present utility model;

[0017] Figure 4 for Figure 2 A magnified schematic diagram of the structure in the middle.

[0018] In the figure: 1-fixed plate, 2-fixed cylinder, 3-circular plate, 4-rotating shaft, 5-motor, 6-reeling shaft, 7-connecting rope, 8-counterweight, 9-bottom block, 10-movable cylinder, 11-pointed column, 12-fixed rope, 13-arc-shaped block, 14-square column, 15-screw, 16-square slot, 17-square block, 18-fixed column, 19-measuring instrument body, 20-spring 1, 21-movable slot, 22-movable block, 23-movable slot, 24-spring 2, 25-oblique slot. DETAILED DESCRIPTION

[0019] Example 1, reference Figure 1 、 Figure 2 、 Figure 3 and Figure 4 A groundwater measuring device for engineering survey includes a fixed plate 1, a bottom block 9 is provided on the side of the fixed plate 1, and a moving groove 23 is evenly opened on the circumferential side of the bottom block 9. The inner wall of the circumferential side of the moving groove 23 is slidably connected with a moving cylinder 10, and a spring 24 is fixedly connected between the side of the moving cylinder 10 and the inner wall of the side of the moving groove 23. The inner wall of the circumferential side of the moving cylinder 10 is threadedly connected with a pointed column 11, and the other end of the pointed column 11 extends to the outside of the bottom block 9. The top of the bottom block 9 is fixedly connected with a counterweight block 8, and an inclined groove 25 is opened between the top and bottom of the counterweight block 8. A connecting rope 7 passing through the inclined groove 25 is slidably connected between the top and bottom of the bottom block 9, and the bottom of the connecting rope 7 is fixedly connected to the measuring instrument body 19 located below the bottom block 9.

[0020] In the present invention, the circumferential side surface of the bottom block 9 is evenly provided with a movable groove 21 located below the movable groove 23. The bottom inner wall of the movable groove 21 is slidably connected with a square block 17. The side surface of the square block 17 extends to the outside of the bottom block 9. The side surface of the square block 17 is fixedly connected with a fixed column 18. The other side of the fixed column 18 abuts against the side inner wall of the movable groove 21. A spring 20 surrounding the fixed column 18 is fixedly connected between the side surface of the square block 17 and the side inner wall of the movable groove 21.

[0021] The top of the square block 17 is fixedly connected to a movable block 22, the top of the movable block 22 is slidably connected to the top inner wall of the movable groove 21, and a fixed rope 12 passing through the bottom block 9 is fixedly connected between the side of the movable block 22 and the side of the movable cylinder 10.

[0022] A square groove 16 is formed on the side of the square block 17 , a square column 14 is slidably connected to the bottom inner wall of the square groove 16 , and an arc block 13 located outside the bottom block 9 is fixedly connected to the side of the square column 14 .

[0023] The inner thread of the square block 17 is connected to a screw rod 15 . One end of the screw rod 15 extends to the circumferential side surface of the arc block 13 . The circumferential side surface of the screw rod 15 is rotatably connected to the interior of the square column 14 .

[0024] The side of the fixed plate 1 is fixedly connected to the fixed cylinder 2, the side of the fixed plate 1 is fixedly connected to the circular plate 3 located inside the fixed cylinder 2, the side of the fixed plate 1 is fixedly connected to the motor 5 aligned with the fixed cylinder 2, the output shaft of the motor 5 is fixedly connected to the rotating shaft 4, and the other end of the rotating shaft 4 is fixedly connected to the winding shaft 6 located inside the fixed cylinder 2.

[0025] The other end of the reel 6 is rotatably connected to the side surface of the circular plate 3 , and one end of the connecting rope 7 passes through the fixed cylinder 2 and is wound around the circumferential side surface of the reel 6 .

[0026] Working principle: Move the device above the drill hole, rotate the screw 15, the screw 15 drives the square column 14 to move, the square column 14 drives the arc block 13 to move, squeeze the square block 17 into the movable groove 21, so that the square block 17 drives the fixed column 18 to squeeze on the side of the movable groove 21, put the bottom block 9 into the drill hole, so that the arc block 13 rests on the wall of the drill hole, start the motor 5, the motor 5 drives the reel 6 to slowly release the connecting rope 7, the counterweight block 8 drives the bottom block 9 to move by its own weight, and when the bottom block 9 moves to the bottom of the drill hole, the arc block 13 detaches from the drill hole, the spring 20 drives the square block 17 to move, the square block 17 drives the square column 14 to move, the square column 14 drives the arc block 13 to slightly extend out of the drill hole a short distance, and at the same time the square block 17 drives the movable block 22 to move, so that the movable block 22 is loose and fixed The rope 12 and the spring 24 push the moving cylinder 10 to move, and the moving cylinder 10 drives the pointed column 11 to move, so that the pointed column 11 is stuck on the wall of the borehole, thereby fixing the bottom block 9 at the bottom of the borehole wall, and continuing to release the connecting rope 7. The connecting rope 7 measures the groundwater along with the measuring instrument body 19, and the connecting rope 7 of a large distance between the reel 6 and the bottom block 9 remains in a taut numerical state, which is beneficial for the device to reduce the influence of the connecting rope 7 released more because the connecting rope 7 cannot maintain a vertical state when falling, on the water level measurement of the device, thereby improving the accuracy of the water level measurement of the device. After the device is completed, the connecting rope 7 is pulled, and the connecting rope 7 drives the measuring instrument body 19 to squeeze the bottom block 9. The arc block 13 is squeezed by the bottom of the borehole wall and moves toward the inside of the movable groove 21, and then the connecting rope 7 continues to drive the device to move out along the borehole.

[0027] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A groundwater measuring device for engineering survey, comprising a fixing plate (1), characterized in that: The side of the fixed plate (1) is provided with a bottom block (9), and a movable groove (23) is evenly opened on the circumferential side of the bottom block (9). The inner wall of the circumferential side of the movable groove (23) is slidably connected to a movable cylinder (10), and a spring 2 (24) is fixedly connected between the side of the movable cylinder (10) and the inner wall of the side of the movable groove (23). The inner wall of the circumferential side of the movable cylinder (10) is threadedly connected to a pointed column (11), and the other end of the pointed column (11) extends to the outside of the bottom block (9). The top of the bottom block (9) is fixedly connected to a counterweight (8), and an inclined groove (25) is opened between the top and bottom of the counterweight (8). A connecting rope (7) passing through the inclined groove (25) is slidably connected between the top and bottom of the bottom block (9), and the bottom of the connecting rope (7) is fixedly connected to a measuring instrument body (19) located below the bottom block (9).

2. A groundwater measuring device for engineering survey according to claim 1, characterized in that: The bottom block (9) is evenly provided with movable grooves (21) located below the movable groove (23) on the circumferential side surface. The bottom inner wall of the movable groove (21) is slidably connected to a square block (17). The side of the square block (17) extends to the outside of the bottom block (9). The side of the square block (17) is fixedly connected to a fixed column (18). The other side of the fixed column (18) abuts against the side inner wall of the movable groove (21). A spring (20) surrounding the fixed column (18) is fixedly connected between the side of the square block (17) and the side inner wall of the movable groove (21).

3. A groundwater measuring device for engineering survey according to claim 2, characterized in that: The top of the square block (17) is fixedly connected to a movable block (22), the top of the movable block (22) is slidably connected to the top inner wall of the movable groove (21), and a fixed rope (12) passing through the bottom block (9) is fixedly connected between the side of the movable block (22) and the side of the movable cylinder (10).

4. A groundwater measuring device for engineering survey according to claim 3, characterized in that: A square groove (16) is provided on the side of the square block (17), a square column (14) is slidably connected to the bottom inner wall of the square groove (16), and an arc-shaped block (13) located outside the bottom block (9) is fixedly connected to the side of the square column (14).

5. The groundwater measuring device for engineering survey according to claim 4, characterized in that: The inner thread of the square block (17) is connected to a screw rod (15), one end of which extends to the circumferential side surface of the arc block (13), and the circumferential side surface of the screw rod (15) is rotatably connected to the inside of the square column (14).

6. A groundwater measuring device for engineering survey according to claim 5, characterized in that: The side of the fixed plate (1) is fixedly connected to a fixed cylinder (2), the side of the fixed plate (1) is fixedly connected to a circular plate (3) located inside the fixed cylinder (2), the side of the fixed plate (1) is fixedly connected to a motor (5) aligned with the fixed cylinder (2), the output shaft of the motor (5) is fixedly connected to a rotating shaft (4), and the other end of the rotating shaft (4) is fixedly connected to a reeling shaft (6) located inside the fixed cylinder (2).

7. A groundwater measuring device for engineering survey according to claim 6, characterized in that: The other end of the reel (6) is rotatably connected to the side surface of the circular plate (3), and one end of the connecting rope (7) passes through the fixed cylinder (2) and is wound around the circumferential side surface of the reel (6).

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