CN217111043U - Light underground water level measuring device - Google Patents

Abstract

The utility model discloses a light-duty groundwater level measuring device. It includes a base, a vertical rod, a protective cylinder, a scale sleeve, a servo motor, a top plate, a cylinder, a rotating shaft and a drill bit; the vertical rod is fixed on the base; the top plate is fixed on the upper end of the vertical rod and is located above the base; the cylinder is installed on the top plate, and Pass through the top plate and connect with the protection cylinder; the protection cylinder is a cylindrical structure with an open bottom end; the servo motor is located in the protection cylinder and is installed on the upper end of the protection cylinder; the servo motor is connected with the drill bit through the rotating shaft; the scale sleeve is arranged on the outer circumference of the rotating shaft. The utility model overcomes the problems that the geotechnical engineering survey and the groundwater level measuring device of the slope engineering are difficult to handle when in use, the measuring effect is not good, it is difficult to penetrate the hard rock and soil layer, and the surveying groundwater level efficiency is affected under the existing conditions; It has the advantages of light weight, convenient handling, easy assembly, simple operation and accurate measurement.

Description

A light groundwater level measuring device

technical field

The utility model relates to the technical field of geotechnical engineering and engineering monitoring, in particular to a light groundwater level measuring device, which is especially suitable for groundwater level monitoring of geotechnical engineering and slope engineering.

Background technique

Groundwater level is an important indicator for analyzing site stability, evaluating slope stability and leakage in geotechnical engineering and slope engineering. Determination of groundwater level is an important part of geotechnical engineering and slope engineering monitoring. At present, the most common method for measuring the groundwater level is to first drill a hole with a drilling rig, then after the drilling is completed, pull out the drilling tool, and then put a measuring rope into the hole to measure and detect the groundwater. In this way, there are the following problems: for excavation slopes or places with steep terrain, it is difficult to carry large drilling equipment in place, and for manual excavation, it is difficult to penetrate the aquifer when the rock and soil layer is hard, resulting in poor measurement results. Efficiency in surveying the groundwater table and therefore inconvenient to use.

Therefore, it is necessary to develop a groundwater level measuring device that is convenient to carry, easy to operate, and accurate to measure.

SUMMARY OF THE INVENTION

The purpose of the utility model is to provide a light groundwater level measuring device, which has the advantages of light weight, convenient handling, easy assembly, simple operation and accurate measurement; The level measuring device is difficult to handle when in use, the measuring effect is not good, it is difficult to penetrate the hard rock and soil layer, and the efficiency of groundwater level survey is affected.

In order to achieve the above purpose, the technical scheme of the present utility model is: a light groundwater level measuring device, which is characterized in that it comprises a base, a vertical rod, a protective cylinder, a scale sleeve, a servo motor, a top plate, a cylinder, a rotating shaft and a drill bit;

The pole is fixed on the base;

The top plate is fixed on the upper end of the vertical pole and is located above the base;

The cylinder is installed on the top plate, and passes through the top plate and is connected with the protection cylinder;

The protective cylinder is a cylindrical structure with an open lower end;

The servo motor is located in the protection cylinder and installed on the upper end of the protection cylinder;

The servo motor is connected with the drill through the rotating shaft;

The scale sleeve is arranged on the outer circumference of the rotating shaft.

In the above technical solution, the vertical rod is fixed at one end of the base;

A central circular hole is set on the base; the central circular hole is a through-hole structure;

The drill bit is located above the central circular hole.

In the above technical solution, the protective frame is fixed on the upper end of the top plate and is located on the outer circumference of the cylinder.

In the above technical solution, the output end of the cylinder is connected to the upper end of the protective cylinder through a connecting block.

In the above technical solution, the top and bottom of the inner wall of the scale sleeve are embedded in the bearing ring; the bottom of the rotating shaft penetrates the bearing ring and is movably connected to the inner ring of the bearing ring.

In the above technical solution, the limit sleeve is installed on the scale sleeve, and the limit sleeve is connected with the inner wall of the protection cylinder through the fixing rod.

Compared with the prior art, the utility model has the following beneficial effects:

(1) Light weight, easy to carry and assemble; each component of the utility model can be assembled after being carried in place individually; the problem that large drilling rigs in difficult terrain are difficult to carry and install in place is solved;

(2) Strong functionality and easy operation; the utility model pushes the connecting block to move downward through the cylinder, the connecting block drives the protection cylinder to move, the movement of the protection cylinder drives the drill bit to move, and the servo motor drives the rotating shaft to rotate, and the rotation of the rotating shaft drives The rotation of the drill bit improves the drilling effect and drilling efficiency of the drill bit; it solves the problem that the measurement effect of the existing groundwater level measuring device is not good when in use, and it is often difficult to penetrate when the rock and soil are hard, so as to affect the efficiency of surveying the groundwater level and inconvenient to use The problem;

(3) It is convenient for positioning and accurate in measurement; the utility model increases the contact area between the vertical pole and the rock and soil layer through the base, and further improves the stability of the base during operation. To the effect of support, it also plays a role in positioning the drill bit.

Description of drawings

Figure 1 is a schematic structural diagram of the utility model.

FIG. 2 is a cross-sectional view of the scale sleeve structure in the utility model.

3 is a schematic top view of the base in the present invention.

FIG. 4 is a partial connection schematic diagram of the protective cylinder structure in the present invention.

In Figure 1, A represents the geotechnical layer of the groundwater level to be measured.

In the picture: 1- base, 2- pole, 3- protection cylinder, 4- scale sleeve, 5- servo motor, 6- top plate, 7- protection frame, 8- cylinder, 9- connecting block, 10- shaft, 11 -Drill bit, 12-bearing ring, 13-fixed rod, 14-limiting sleeve, 15-center round hole, 16-foot screw.

Detailed ways

The structure and components of the present invention are general standard parts or components known to those skilled in the art, and the structures and principles of the present invention can be known by technical manuals or by conventional experimental methods. The electrical components appearing in the utility model are all connected with the external main controller by 220V mains electricity, and the multimeter is also a conventionally known device. The present utility model will be further described in detail below with reference to the accompanying drawings, and meanwhile, the advantages of the present utility model will be made clearer and easier to understand through the description. In addition, to simplify the drawings, some well-known structures and components will be drawn in a simple schematic manner in the drawings.

As shown in Figures 1 to 3, a light-duty groundwater level measuring device includes a base 1, a vertical rod 2 is arranged on the upper part of the base 1, the bottom of the vertical rod 2 is fixedly connected to the base 1, and both sides of the inner cavity of the base 1 are threadedly connected There are anchor screws 16, and the bottom of the base 1 is connected to the geotechnical layer of the groundwater level to be measured through the anchor screws 16. The base 1 is provided with a central circular hole 15 in the middle that is aligned with the ground position of the groundwater level to be measured. The utility model improves the contact area between the vertical rod 2 and the lower rock and soil layer through the base 1, and further improves the stability of the base 1 during operation; the top of the vertical rod 2 is fixedly connected with a top plate 6, and the top of the top plate 6 is installed with a cylinder 8 , the output end of the air cylinder 7 is provided with a protective cylinder 3, the top of the air cylinder 8 is fixedly connected with a protective frame 7, the bottom of the protective frame 7 is fixedly connected with the top of the top plate 6, and the output end of the air cylinder 8 is fixedly connected with a connecting block 9, the connecting block The bottom of 9 is fixedly connected with the top of the protection cylinder 3, the top of the inner wall of the protection cylinder 3 is fixedly connected with the servo motor 5, the output end of the servo motor 5 is fixedly connected with the rotating shaft 10, the bottom of the rotating shaft 10 is fixedly connected with the drill bit 11, and the bottom of the rotating shaft 10 is fixedly connected. The surface is provided with a scale sleeve 4, the top and bottom of the inner wall of the scale sleeve 4 are embedded with a bearing ring 12, the bottom of the rotating shaft 10 penetrates the bearing ring 12 and is movably connected with the inner ring of the bearing ring 12, and the surface of the scale sleeve 4 has limited fixed connection The position sleeve 14, the two sides of the limit sleeve 14 are fixedly connected with a fixed rod 13, the side of the fixed rod 13 away from the limit sleeve 14 is connected with the inner wall of the protection cylinder 3, and the scale is adjusted by the fixed rod 13 and the limit sleeve 14. The sleeve 4 has a supporting effect to prevent the scale sleeve 4 from falling off during the working process.

The concrete steps of using the utility model to measure the groundwater level are as follows:

Step 1: Place the base 1 on the ground of the geotechnical layer of the groundwater level to be measured, and the central circular hole 15 of the base 1 is aligned with the exact position of the ground of the geotechnical layer of the groundwater level to be measured. The interior of the geotechnical layer where the water table is measured. At the same time, connect the black and red test pens of the multimeter to the base 1 and the rotating shaft 10 respectively.

Step 2: The connecting block 9 is pushed down by the air cylinder 8, the connecting block 9 drives the protection cylinder 3 to move, and the movement of the protection cylinder 3 drives the drill bit 11 to move.

Step 3: The rotating shaft 10 is driven to rotate by the servo motor 5, and the rotating shaft 10 rotates on the inner ring of the bearing ring 13. The rotation of the rotating shaft 10 drives the drill bit 11 to rotate, and when the drill bit 11 rotates, it extends into the rock and soil layer of the groundwater level to be measured. ; At this time, the scale sleeve 4 moves with the protection cylinder 3. When the resistance or current measurement value of the multimeter reaches a fixed value, the drill bit reaches the groundwater level, and the depth of the drill bit 11 being drilled into the soil layer is read through the scale sleeve 4, where the length of the drill bit 11 is a known fixed value. The above are only embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, various modifications and changes can be made to the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the scope of the claims of the present utility model.

Contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims (6)

1. A light groundwater level measuring device is characterized in that: comprising a base (1), a vertical rod (2), a protective cylinder (3), a scale sleeve (4), a servo motor (5), a top plate (6), a cylinder (8), a rotating shaft (10) and a drill bit (11); The upright rod (2) is fixed on the base (1); The top plate (6) is fixed on the upper end of the vertical rod (2) and is located above the base (1); The air cylinder (8) is installed on the top plate (6), passes through the top plate (6), and is connected with the protection cylinder (3); The protective cylinder (3) is a cylindrical structure with an open lower end; The servo motor (5) is located in the protection cylinder (3) and is installed on the upper end of the protection cylinder (3); The servo motor (5) is connected with the drill bit (11) through the rotating shaft (10); The scale sleeve (4) is arranged on the outer circumference of the rotating shaft (10). 2. The light-duty groundwater level measuring device according to claim 1, characterized in that: the vertical rod (2) is fixed on one end of the base (1); The base (1) is provided with a central circular hole (15); the central circular hole (15) is a through-hole structure; The drill bit (11) is located above the central circular hole (15). 3. The light-duty groundwater level measuring device according to claim 1 or 2, characterized in that: the protective frame (7) is fixed on the upper end of the top plate (6) and is located on the outer periphery of the cylinder (8). 4 . The light-duty groundwater level measuring device according to claim 3 , wherein the output end of the cylinder ( 8 ) is connected to the upper end of the protection cylinder ( 3 ) through a connecting block ( 9 ). 5 . 5. The light-duty groundwater level measuring device according to claim 4, characterized in that: the top and bottom of the inner wall of the scale sleeve (4) are embedded in the bearing ring (12); The inner ring of the ring (12) is flexibly connected. 6. The light-duty groundwater level measuring device according to claim 5, characterized in that: the limit sleeve (14) is installed on the scale sleeve (4), and the limit sleeve (14) passes through the fixing rod (13) and the protection cylinder ( 3) Inner wall connection.

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