Geotechnical engineering exploration sampling device

Abstract

The utility model discloses a geotechnical engineering exploration sampling device, which belongs to the field of sampling devices and comprises a bottom plate, rollers are movably mounted on the bottom surface of the bottom plate, a first sliding rod is fixedly connected to one side of the bottom plate, a first screw is movably mounted on the other side of the bottom plate, and a mounting plate is movably mounted on the first sliding rod and the first screw. A first gear motor is fixedly connected to the mounting plate, a rotating rod is fixedly connected to the first gear motor, a first screw rotates, the mounting plate moves downwards, a spiral rotating shaft below the mounting plate synchronously moves downwards, the spiral rotating shaft rotates, soil is punched, and therefore a hole leading to the soil with the specific depth is excavated; then the spiral rotating shaft is reset, the spiral rotating shaft is detached and replaced with the sampling barrel and the connecting pipe, then the sampling barrel rotates and moves downwards, soil sampling is carried out on the bottom end of the hole, so that soil at different depths is sampled, the sampled soil is prevented from being mixed with upper-layer soil, and the detection result is more accurate.

Description

Technical Field

[0001] The utility model relates to the field of sampling devices, in particular to a geotechnical engineering exploration sampling device. Background Art

[0002] Geotechnical engineering investigation refers to the activities of identifying, analyzing, evaluating the geological, environmental characteristics and geotechnical conditions of the construction site and compiling investigation documents according to the requirements of the construction project. In the prior art, CN217179967U, a Chinese utility model type patent with the patent name "A geotechnical engineering exploration sampling device", discloses a sampling device. The document records that a fixed cylinder is driven downward by a lifting component, and rock and soil are mined by an mining component. The rock and soil are introduced into the collecting component along the fixed cylinder, and the samples are collected by the collecting component, thereby realizing automatic sampling of rock and soil and sampling and processing of rock and soil at different depths. However, in this scheme, rock and soil at different depths are mined by spiral blades, but a large amount of upper soil is likely to remain on the spiral blades. When the soil at a specific depth is mined, it is easy to cause soils at different depths to mix with each other, resulting in inaccurate detection results, so it needs to be improved. Utility Model Content

[0003] The main purpose of the utility model is to provide a geotechnical engineering exploration sampling device, which can effectively solve the problems in the background technology.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] The cam is provided with a plurality of gears, and the plurality of gears are connected to each other with a plurality of gears, and the plurality of gears are connected to each other with a plurality of gears.

[0006] Preferably, the upper end of the No. 1 slide bar is fixedly connected to a No. 1 support plate, and both ends of the No. 1 support plate are fixedly connected to the bottom plate via a No. 1 support rod.

[0007] Preferably, a No. 2 support plate is movably mounted on the upper end of the No. 1 screw rod, and both ends of the No. 2 support plate are fixedly connected to the bottom plate via a No. 2 support rod, and both ends of the No. 1 screw rod are movably mounted to the No. 2 support plate and the bottom plate via a No. 1 bearing.

[0008] Preferably, a handle bar is fixedly connected to the side of the bottom plate, and two ends of the handle bar are fixedly connected to the first support bar and the second support bar respectively.

[0009] Preferably, a movable groove is opened on the connecting tube, and limiting plates are fixedly connected to the connecting tube and are located on both sides of the movable groove. The push rod is fixedly connected to the upper end of the movable rod, and the push rod is movably installed between the limiting plates. The push rod is fixedly connected to the limiting plates by a No. 2 bolt and a No. 2 nut.

[0010] Preferably, a connecting sleeve is fixedly connected to the upper end of the spiral rotating shaft and the connecting pipe, and the connecting sleeve is fixedly connected to the rotating rod by a No. 1 bolt and a No. 1 nut.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] In the utility model, the No. 1 screw is rotated to move the mounting plate downward, so that the spiral shaft below the mounting plate moves downward synchronously, and the spiral shaft rotates to punch a hole in the soil, thereby digging a hole leading to the soil at a specific depth, and then the spiral shaft is reset and disassembled, and the sampling tube and the connecting tube are replaced, and then the tube is rotated and moved downward to sample the soil at the bottom of the hole, so that the soil at different depths can be sampled, and the sampled soil is prevented from being mixed with the upper soil, so that the detection result is more accurate. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0014] Figure 2 It is a structural schematic diagram of the mounting plate and the rotating rod of the utility model;

[0015] Figure 3 It is a structural schematic diagram of the sampling tube, the push plate and the movable rod of the utility model;

[0016] Figure 4 It is a structural schematic diagram of the spiral shaft of the utility model.

[0017] In the figure: 1, bottom plate; 2, support rod No. 1; 3, support plate No. 1; 4, slide rod No. 1; 5, support rod No. 2; 6, support plate No. 2; 7, screw rod No. 1; 8, bearing No. 1; 9, handle rod; 10, roller; 11, hole groove; 12, mounting plate; 13, reduction motor No. 1; 14, bearing No. 2; 15, rotating rod; 16, gear No. 1; 17, gear No. 2; 18, stepping motor; 19, spiral shaft; 20, connecting sleeve; 21, bolt No. 1; 22, nut No. 1; 23, sampling tube; 24, connecting pipe; 25, movable groove; 26, limiting plate; 27, movable rod; 28, push plate; 29, push rod; 30, bolt No. 2; 31, nut No. 2. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0019] like Figure 1-2 As shown, a geotechnical engineering exploration sampling device comprises a base plate 1, a roller 10 is movably installed at the bottom surface of the base plate 1, a No. 1 slide bar 4 is fixedly connected to one side of the base plate 1, a No. 1 screw rod 7 is movably installed at the other side of the base plate 1, a mounting plate 12 is movably installed on the No. 1 slide bar 4 and the No. 1 screw rod 7, a No. 1 reduction motor 13 is fixedly connected to the mounting plate 12, a No. 1 reduction motor 13 is fixedly connected to a rotating rod 15, the rotating rod 15 and the No. 2 bearing 14 are movably installed with the mounting plate 12, the upper end of the No. 1 slide bar 4 is fixedly connected to a No. 1 support plate 3, both ends of the No. 1 support plate 3 are fixedly connected to the base plate 1 through a No. 1 support rod 2, and the upper end of the No. 1 screw rod 7 is movably installed. A No. 2 support plate 6 is installed, and both ends of the No. 2 support plate 6 are fixedly connected to the base plate 1 through a No. 2 support rod 5. Both ends of the No. 1 screw rod 7 are movably installed with the No. 2 support plate 6 and the base plate 1 through a No. 1 bearing 8. A handle rod 9 is fixedly connected to the side position of the base plate 1, and both ends of the handle rod 9 are fixedly connected to the No. 1 support rod 2 and the No. 2 support rod 5 respectively. A sliding hole is provided on the mounting plate 12 at a position corresponding to the No. 1 slide rod 4, and a screw hole is provided on the mounting plate 12 at a position corresponding to the No. 1 screw rod 7. With the rotation of the No. 1 screw rod 7, the mounting plate 12 can move upward or downward, which is convenient for moving the spiral shaft 19 and the sampling tube 23 upward or downward to perform drilling operations or sampling on the ground.

[0020] like Figure 1 , Figure 3 and Figure 4As shown, the rotating rod 15 is fixedly connected to the spiral rotating shaft 19 or the connecting tube 24, the connecting tube 24 is fixedly connected to the sampling barrel 23, a push plate 28 is movably installed in the sampling barrel 23, the push plate 28 is fixedly connected to the movable rod 27, and the movable rod 27 is movably installed in the connecting tube 24, the No. 1 screw 7 is fixedly connected to the No. 1 gear 16, the bottom plate 1 is fixedly connected to the stepping motor 18, the stepping motor 18 is fixedly connected to the No. 2 gear 17, the No. 2 gear 17 and the No. 1 gear 16 are movably installed with each other, a hole groove 11 is opened at the center position of the bottom plate 1, the spiral rotating shaft 19 or the sampling barrel 23 is movably installed in the hole groove 11, a movable groove 25 is opened on the connecting tube 24, a limiting plate 26 is fixedly connected to the connecting tube 24, and the limiting plate 26 is located at the movable groove 25. At both sides, the push rod 29 is fixedly connected to the upper end of the movable rod 27, and the push rod 29 is movably installed between the limiting plates 26. The push rod 29 is fixedly connected to the limiting plates 26 by No. 2 bolts 30 and No. 2 nuts 31. The upper ends of the spiral shaft 19 and the connecting pipe 24 are fixedly connected with a connecting sleeve 20. The connecting sleeve 20 and the rotating rod 15 are fixedly connected by No. 1 bolts 21 and No. 1 nuts 22. The connecting pipe 24 and the spiral shaft 19 are both provided with a connecting sleeve 20. The connecting sleeve 20 and the rotating rod 15 are fixedly connected by No. 1 bolts 21 and No. 1 nuts 22, which is convenient for replacing the spiral shaft 19, the connecting pipe 24 and the rotating rod 15. The sampling tube 23 samples the soil, which is convenient for pushing the soil out through the push plate 28 for collection.

[0021] It should be noted that the utility model is a geotechnical engineering exploration sampling device. The connecting sleeve 20 and the rotating rod 15 on the spiral shaft 19 are installed with each other and fixedly connected by a No. 1 bolt 21 and a No. 1 nut 22. Then the bottom plate 1 is moved to a suitable position through the roller 10, and the stepper motor 18 is started. The No. 2 gear 17 drives the No. 1 gear 16 to rotate, so that the No. 1 screw rod 7 can rotate flexibly. A screw hole is provided at the position corresponding to the No. 1 screw rod 7 on the mounting plate 12. As the No. 1 screw rod 7 rotates, the mounting plate 12 moves downward. The No. 1 reduction motor 13 is started, so that the rotating rod 15 drives the connecting sleeve 20 and the spiral shaft 19 to rotate, so that the spiral shaft 19 extends into the hole groove 11 and punches holes in the ground. The spiral leaves on the spiral shaft 19 punch holes by rotation and sprinkle the soil. A scale is set on the No. 1 slide bar 4. When the spiral shaft 19 moves to the soil at a specific depth, the stepper motor 18 is rotated in the opposite direction, so that the No. 1 screw rod 7 rotates in the opposite direction. The spiral shaft 19 is reset in the reverse direction, and after the stepper motor 18 and the No. 1 reduction motor 13 are stopped, the No. 1 bolt 21 and the No. 1 nut 22 on the spiral shaft 19 are removed, the spiral shaft 19 is removed, and then the connecting sleeve 20 at the upper end of the connecting pipe 24 is fixedly connected with the rotating rod 15 by the No. 1 bolt 21 and the No. 1 nut 22, the sampling tube 23 is replaced to the lower position of the rotating rod 15, the No. 1 reduction motor 13 and the stepper motor 18 are started, so that the sampling tube 23 rotates downward to excavate the bottom wall position in the hole groove 11, and the soil is stored in the sampling tube 23, and then the sampling tube 23 is moved upward in the reverse direction, and after resetting, the No. 2 bolt 30 and the No. 2 nut 31 are removed, and the push rod 29 is pushed downward to make the movable rod 27 and the push plate 28 move downward, and the soil is pushed out by the push plate 28 for collection, so that the device can sample the soil at a specific depth, and the sampled soil is not easily mixed by the upper soil, and the sampling structure is more accurate.

[0022] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. It is only a preferred embodiment of the utility model, and its description is more specific and detailed, but it cannot be understood as limiting the scope of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments. The embodiments can be changed, modified, replaced and deformed without departing from the principle and purpose of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A geotechnical engineering exploration sampling device, comprising a base plate (1), a roller (10) being movably mounted on the bottom surface of the base plate (1), Features: A first slide bar (4) is fixedly connected to one side of the base plate (1), and a first screw rod (7) is movably installed on the other side of the base plate (1). A mounting plate (12) is movably installed on the first slide bar (4) and the first screw rod (7). A first reduction motor (13) is fixedly connected to the mounting plate (12). The first reduction motor (13) is fixedly connected to a rotating rod (15). The rotating rod (15) is movably installed with a second bearing (14) and the mounting plate (12). The rotating rod (15) is fixedly connected to a spiral shaft (19) or a connecting pipe (24). The connecting pipe (24) is fixedly connected to a sampling tube (23). A push plate (28) is movably installed in the sampling tube (23), and the push plate (28) is fixedly connected to a movable rod (27), and the movable rod (27) is movably installed in the connecting tube (24). The No. 1 screw rod (7) is fixedly connected to a No. 1 gear (16), and a stepper motor (18) is fixedly connected to the bottom plate (1), and the stepper motor (18) is fixedly connected to a No. 2 gear (17). The No. 2 gear (17) and the No. 1 gear (16) are movably installed with each other. A hole groove (11) is opened at the center position of the bottom plate (1), and the spiral shaft (19) or the sampling tube (23) is movably installed in the hole groove (11).

2. A geotechnical engineering exploration sampling device according to claim 1, Features: The upper end of the No. 1 sliding rod (4) is fixedly connected to the No. 1 supporting plate (3), and the two ends of the No. 1 supporting plate (3) are fixedly connected to the bottom plate (1) via the No. 1 supporting rod (2).

3. A geotechnical engineering exploration sampling device according to claim 2, Features: A No. 2 support plate (6) is movably mounted on the upper end of the No. 1 screw rod (7), and both ends of the No. 2 support plate (6) are fixedly connected to the bottom plate (1) via a No. 2 support rod (5), and both ends of the No. 1 screw rod (7) are movably mounted to the No. 2 support plate (6) and the bottom plate (1) via a No. 1 bearing (8).

4. A geotechnical engineering exploration sampling device according to claim 3, Features: A handle bar (9) is fixedly connected to the side of the bottom plate (1), and two ends of the handle bar (9) are respectively fixedly connected to a No. 1 support bar (2) and a No. 2 support bar (5).

5. A geotechnical engineering exploration sampling device according to claim 4, Features: The connecting pipe (24) is provided with a movable groove (25), and the connecting pipe (24) is fixedly connected with a limiting plate (26) located at both sides of the movable groove (25). A push rod (29) is fixedly connected to the upper end of the movable rod (27), and the push rod (29) is movably installed between the limiting plates (26). The push rod (29) is fixedly connected to the limiting plate (26) by a No. 2 bolt (30) and a No. 2 nut (31).

6. A geotechnical engineering exploration sampling device according to claim 5, Features: A connecting sleeve (20) is fixedly connected to the upper ends of the spiral rotating shaft (19) and the connecting pipe (24), and the connecting sleeve (20) is fixedly connected to the rotating rod (15) via a No. 1 bolt (21) and a No. 1 nut (22).

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