Geotechnical sampling device for geotechnical engineering investigation

Abstract

The utility model relates to the technical field of geotechnical engineering investigation, and discloses a geotechnical sampling device for geotechnical engineering investigation, which comprises a base and a hydraulic rod body, vertical rods are fixedly mounted on both sides of the top surface of the base, a cross rod is welded on the tops of the vertical rods, the bottom surface of the cross rod is in threaded connection with the hydraulic rod body through screws, and the hydraulic rod body is in threaded connection with the top surface of the base. A rotating assembly is fixedly mounted at the bottom of the hydraulic rod body, and the bottom of the rotating assembly is in threaded connection with a sampling barrel through a bolt. According to the rock-soil sampling device for geotechnical engineering investigation, through the arrangement of the dust falling assembly, when rock-soil is sampled on the dry ground, a water source is injected into a water storage tank, a water pump is turned on, the water pump pumps out the water source, and then the water source is conveyed into an atomization spray head through a water conveying pipe and sprayed on the ground through the atomization spray head; therefore, the effect of adsorbing and reducing dust drifting away during rock soil sampling is achieved, and pollution and influence on personnel health caused by dust drifting away are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of geotechnical engineering investigation, in particular to a geotechnical engineering investigation and survey rock sampling device. Background Art

[0002] Geotechnical engineering investigation is to use testing means and methods to investigate, study and analyze the construction site, and study the geological conditions for building various engineering buildings and the impact of construction on the natural geological environment. During the investigation, it is often necessary to sample the rock and soil through a sampling device for subsequent testing.

[0003] A rock and soil sampling device for geotechnical engineering investigation disclosed in publication number CN211347484U, although the rock and soil sampling device for geotechnical engineering investigation described in the utility model can facilitate the fixation of the device, reduce the shaking generated during sampling, facilitate the protection of the device, and facilitate the lifting of the drill bit.

[0004] However, the geotechnical sampling device for geotechnical engineering investigation has the following disadvantages: it is not easy to adsorb the dust generated by sampling. When performing geotechnical sampling, drilling the ground will generate a large amount of dust. The dust will not only affect the air environment, but also affect the health of the operators. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The technical problem solved by the utility model is to provide a geotechnical sampling device for geotechnical engineering investigation which is highly practical, can be simply operated and has a relatively simple structure, thereby solving the problem of difficulty in adsorbing dust generated by sampling raised in the above-mentioned background technology.

[0007] (II) Technical solution

[0008] To achieve the above objectives, the utility model is implemented through the following technical solutions: a geotechnical sampling device for geotechnical engineering investigation, comprising a base and a hydraulic rod body, vertical rods are fixedly installed on both sides of the top surface of the base, a cross bar is welded to the top of the vertical rod, the bottom surface of the cross bar is threadedly connected to the hydraulic rod body by a screw, a rotating assembly is fixedly installed on the bottom of the hydraulic rod body, a sampling barrel is threadedly connected to the bottom of the rotating assembly by a bolt, leak-proof assemblies are symmetrically arranged on both sides of the bottom of the sampling barrel, a water tank is fixedly connected to one side of the top surface of the base, a water pump is fixedly installed on the top surface of the water tank, and a dust reduction assembly is through-connected to the output end of the water pump.

[0009] Optionally, universal wheels are fixedly connected to the bottom surface of the base in a rectangular array around four sides, and brake pads are fixedly installed inside the universal wheels.

[0010] Optionally, the rotating assembly includes a servo motor fixed to the bottom of the hydraulic rod body, the output end of the servo motor is spline-connected to a transmission rod, and the bottom of the transmission rod is fixedly connected to a connecting rod.

[0011] Optionally, a sliding frame is fixedly connected to the surface of the servo motor, and both sides of the sliding frame are slidably connected to the surface of the vertical rod.

[0012] Optionally, the anti-leakage component includes one-way hinges symmetrically arranged on both sides of the bottom of the sampling tube, and an opening and closing cover plate is hinged on one side of the one-way hinge.

[0013] Optionally, the dust reduction component includes a water pipe connected to the output end of the water pump, a plurality of groups of atomizing nozzles are connected to the surface of the water pipe at equal intervals along the axial direction, and one side of the water pipe is fixedly connected to the surface of the water tank.

[0014] Optionally, the input end of the water pump is connected with a water inlet pipe, one end of which is connected to the inside of a water tank, a water filling port is provided at the edge of the top surface of the water tank, and a plug is clamped on the top surface of the water filling port.

[0015] (III) Beneficial effects

[0016] The utility model provides a rock and soil sampling device for geotechnical engineering investigation, which has the following beneficial effects:

[0017] 1. The geotechnical sampling device for geotechnical engineering investigation, through the setting of dust reduction components, when sampling rock and soil on dry ground, injects water into the water storage tank, turns on the water pump, and the water is pumped out by the water pump, and then transported to the atomizing nozzle through the water pipe, and sprayed on the ground through the atomizing nozzle, thereby achieving the effect of absorbing and reducing the dust scattered during rock and soil sampling, avoiding pollution caused by dust dispersion and affecting personnel health.

[0018] 2. The geotechnical sampling device for geotechnical engineering investigation is provided with a leak-proof component. When sampling, the external power supply is connected so that the servo motor is energized, which drives the transmission rod and the connecting rod to rotate, and the sampling tube rotates accordingly. The soil is squeezed to open the opening and closing cover. When the soil sample is taken out, if the rock and soil fall off, the opening and closing cover is closed to prevent a large amount of rock and soil from falling off and affecting the single sampling volume. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the dust reduction component of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the leak-proof component of the utility model;

[0022] Figure 4 It is a schematic diagram of the vertical rod structure of the utility model.

[0023] In the figure: 1. base; 2. vertical rod; 3. horizontal rod; 4. hydraulic rod body; 5. rotating assembly; 501. servo motor; 502. transmission rod; 503. connecting rod; 6. bolt; 7. sampling tube; 8. leak-proof assembly; 801. one-way hinge; 802. opening and closing cover; 9. water tank; 10. water pump; 11. dust suppression assembly; 1101. water pipe; 1102. atomizing nozzle; 12. universal wheel; 13. sliding frame. DETAILED DESCRIPTION

[0024] 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. 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.

[0025] See also Figures 1 to 4 The utility model provides a technical solution: a geotechnical sampling device for geotechnical engineering investigation, including a base 1 and a hydraulic rod body 4, vertical rods 2 are fixedly installed on both sides of the top surface of the base 1, a cross bar 3 is welded on the top of the vertical rod 2, the bottom surface of the cross bar 3 is connected to the hydraulic rod body 4 by screw threads, a rotating component 5 is fixedly installed at the bottom of the hydraulic rod body 4, a sampling tube 7 is threadedly connected to the bottom of the rotating component 5 by bolts 6, and leak-proof components 8 are symmetrically arranged on both sides of the bottom of the sampling tube 7. Through the setting of the leak-proof component 8, when sampling, the external power supply is connected so that the servo motor 501 is powered on, which drives the transmission rod 502 and the connecting rod 503 to rotate, and the sampling tube 7 rotates accordingly, and the soil is squeezed to open the opening and closing cover plate 802 When taking out soil samples, when rock and soil fall off, the opening and closing cover 802 is closed to prevent a large amount of rock and soil from falling off and affecting the single sampling volume. A water storage tank 9 is fixedly connected to one side of the top surface of the base 1. A water pump 10 is fixedly installed on the top surface of the water storage tank 9. The output end of the water pump 10 is connected to a dust reduction component 11. Through the setting of the dust reduction component 11, when sampling rock and soil on dry ground, water is injected into the water storage tank 9, and the water pump 10 is turned on. The water pump 10 draws out the water source, and then transports it to the atomizing nozzle 1102 through the water pipe 1101, and sprays it on the ground through the atomizing nozzle 1102, thereby achieving the effect of absorbing and reducing the dust floating when sampling rock and soil, avoiding pollution caused by dust floating and affecting personnel health;

[0026] Universal wheels 12 are fixedly connected to the bottom surface of the base 1 in a rectangular array, and brake pads are fixedly installed inside the universal wheels 12. The universal wheels 12 are arranged to move the base 1.

[0027] The rotating assembly 5 includes a servo motor 501 fixed to the bottom of the hydraulic rod body 4. The output end of the servo motor 501 is spline-connected with a transmission rod 502. The bottom of the transmission rod 502 is fixedly connected with a connecting rod 503. The rotating assembly 5 is arranged to drive the sampling tube 7 to rotate.

[0028] The surface of the servo motor 501 is fixedly connected with a sliding frame 13, and both sides of the sliding frame 13 are slidably connected to the surface of the vertical rod 2. Through the setting of the sliding frame 13, it plays the role of following the lifting of the hydraulic rod body 4;

[0029] The leak-proof component 8 includes a one-way hinge 801 symmetrically arranged on both sides of the bottom of the sampling tube 7, and an opening and closing cover plate 802 is hinged on one side of the one-way hinge 801. Through the setting of the leak-proof component 8, when sampling, the external power supply is connected so that the servo motor 501 is powered on, which drives the transmission rod 502 and the connecting rod 503 to rotate, and the sampling tube 7 rotates accordingly, and the soil squeezes the opening and closing cover plate 802 to open. When taking out the soil sample, when the rock and soil fall off, the opening and closing cover plate 802 is closed to prevent a large amount of rock and soil from falling off and affecting the single sampling amount;

[0030] The dust reduction component 11 includes a water pipe 1101 connected to the output end of the water pump 10, and the surface of the water pipe 1101 is connected to a plurality of groups of atomizing nozzles 1102 at equal intervals along the axial direction. One side of the water pipe 1101 is fixedly connected to the surface of the water storage tank 9. Through the setting of the dust reduction component 11, when sampling rock and soil on dry ground, water is injected into the water storage tank 9, and the water pump 10 is turned on. The water pump 10 pumps out the water, and then transports the water to the atomizing nozzle 1102 through the water pipe 1101, and sprays the water on the ground through the atomizing nozzle 1102, thereby achieving the effect of absorbing and reducing the dust that is scattered when sampling rock and soil, and avoiding pollution caused by dust scattering and affecting the health of personnel. The input end of the water pump is connected to a water inlet pipe, and one end of the water inlet pipe is connected to the inside of the water storage tank. The edge of the top surface of the water storage tank is provided with a water injection port, and the top surface of the water injection port is clamped with a plug.

[0031] In the utility model, the working steps of the device are as follows:

[0032] Step 1: When sampling, connect the external power supply so that the servo motor 501 is powered on, which drives the transmission rod 502 and the connecting rod 503 to rotate, and the sampling tube 7 rotates accordingly;

[0033] The second step: open the hydraulic rod body 4, drive the servo motor 501 and the sliding frame 13 to press down, the soil is squeezed to open the opening and closing cover plate 802, and when the soil sample is taken out, when the rock and soil fall off, the opening and closing cover plate 802 is closed to prevent a large amount of rock and soil from falling off and affecting the single sampling amount;

[0034] The third step: inject water into the water tank 9, turn on the water pump 10, the water pump 10 pumps out the water, and then transports the water to the atomizing nozzle 1102 through the water pipe 1101, and sprays it on the ground through the atomizing nozzle 1102, so as to absorb and reduce the dust that is dispersed during the sampling of rock and soil, so as to avoid pollution caused by the dispersion of dust and affect the health of personnel.

[0035] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0036] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A soil sampling device for geotechnical engineering investigation, comprising a base (1) and a hydraulic rod body (4), characterized in that: Vertical rods (2) are fixedly mounted on both sides of the top surface of the base (1), a horizontal rod (3) is welded to the top of the vertical rod (2), the bottom surface of the horizontal rod (3) is threadedly connected to a hydraulic rod body (4) via a screw, a rotating assembly (5) is fixedly mounted on the bottom of the hydraulic rod body (4), a sampling tube (7) is threadedly connected to the bottom of the rotating assembly (5) via a bolt (6), and leak-proof assemblies (8) are symmetrically arranged on both sides of the bottom of the sampling tube (7), a water storage tank (9) is fixedly connected to one side of the top surface of the base (1), a water pump (10) is fixedly mounted on the top surface of the water storage tank (9), and a dust suppression assembly (11) is connected through the output end of the water pump (10).

2. A geotechnical sampling device for geotechnical engineering investigation according to claim 1, characterized in that: Universal wheels (12) are fixedly connected to the bottom surface of the base (1) in a rectangular array around the periphery, and brake pads are fixedly installed inside the universal wheels (12).

3. A geotechnical sampling device for geotechnical engineering investigation according to claim 1, characterized in that: The rotating assembly (5) comprises a servo motor (501) fixed to the bottom of the hydraulic rod body (4); the output end of the servo motor (501) is spline-connected to a transmission rod (502); and the bottom of the transmission rod (502) is fixedly connected to a connecting rod (503).

4. A geotechnical sampling device for geotechnical engineering investigation according to claim 3, characterized in that: A sliding frame (13) is fixedly connected to the surface of the servo motor (501), and both sides of the sliding frame (13) are slidably connected to the surface of the vertical rod (2).

5. The rock and soil sampling device for geotechnical engineering investigation according to claim 1, characterized in that: The anti-leakage component (8) comprises one-way hinges (801) symmetrically arranged on both sides of the bottom of the sampling tube (7), and an opening and closing cover plate (802) is hingedly connected to one side of the one-way hinge (801).

6. A geotechnical sampling device for geotechnical engineering investigation according to claim 1, characterized in that: The dust reduction component (11) comprises a water pipe (1101) connected to the output end of the water pump (10), a plurality of groups of atomizing nozzles (1102) being connected to the surface of the water pipe (1101) at equal intervals along the axial direction, and one side of the water pipe (1101) being fixedly connected to the surface of the water storage tank (9).

7. A geotechnical sampling device for geotechnical engineering investigation according to claim 1, characterized in that: The input end of the water pump (10) is connected to a water inlet pipe, one end of which is connected to the interior of a water storage tank (9). A water inlet is provided at the edge of the top surface of the water storage tank (9), and a plug is clamped on the top surface of the water inlet.

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