Drilling device for rock and soil exploration

Abstract

The utility model discloses a drilling device for rock-soil exploration, which comprises an annular frame, a central supporting plate and a drilling cylinder, four rotating seats are uniformly arranged around the annular frame at equal intervals, and supporting legs are arranged at one ends, far away from the annular frame, of the rotating seats; the center of the annular frame is hollow, four sliding supporting plates are vertically arranged on the lower surface of the annular frame, the four sliding supporting plates are evenly arranged on the lower surface of the annular frame at equal intervals, the center supporting plate is located in the middle of the annular frame, and the surface of the center supporting plate is in sliding connection with the sliding supporting plates; a motor is vertically arranged on the upper surface of the center supporting plate. According to the utility model, an operator holds the handle wheel and pulls the handle wheel upwards, and the connecting rod, the motor and the drill cylinder leave from a drill hole together; an operator only needs to take out the soil samples in the drilling cylinder and the accommodating groove; the four supporting legs can be firmly supported, the drilling barrel can stably move downwards, a soil sample can enter the containing groove, drilling and soil sampling are synchronously carried out, and time and labor are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of field rock and soil exploration, in particular to a drilling device used for rock and soil exploration. Background Art

[0002] Yanshi Exploration uses a drilling rig to control the drilling tool to drill from the surface to the underground, forming a cylindrical borehole underground, and obtains rock samples at different depths through drilling to obtain underground rock and soil properties, structural structure, spatial distribution, groundwater conditions, etc. The traditional operation method is to first use a drilling device to drill a hole of a certain depth under the rock and soil, and then use a sampling device to take out the sample soil from the hole and bring it back to the laboratory for inspection and analysis.

[0003] The above-mentioned drilling sampling is carried out in two steps, which is rather troublesome. In addition, some drilling equipment is handheld, and there is shaking and deviation during the drilling process, which makes the drilling not quite smooth.

[0004] In view of the above problems, the present utility model is proposed. Utility Model Content

[0005] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a drilling device for rock and soil exploration to solve the problems mentioned in the background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions.

[0007] The utility model provides a drilling device for rock and soil exploration, comprising an annular frame, a central support plate and a drill tube, four rotating seats are evenly arranged around the annular frame at equal intervals, and a support leg is arranged at one end of the rotating seat away from the annular frame;

[0008] The center of the annular frame is hollow, and four sliding support plates are vertically arranged on the lower surface of the annular frame. The four sliding support plates are evenly arranged on the lower surface of the annular frame at equal intervals. The central support plate is located in the middle of the annular frame, and the surface of the central support plate is slidably connected to the sliding support plate;

[0009] A motor is vertically arranged on the upper surface of the central support plate, the driving shaft of the motor faces downward and is movably connected to the drill pipe through a coupling, a connecting rod is vertically arranged on the upper surface of the motor, and a handle wheel is arranged on the upper end of the connecting rod;

[0010] The lower surface of the drill tube is provided with a plurality of saw teeth, the inner wall of the drill tube is provided with a sample ring, and the upper surface of the sample ring is provided with a receiving groove.

[0011] Preferably, there are four legs, the upper ends of the legs are hinged to the swivel seat, and the four legs are evenly distributed around the annular frame at equal intervals.

[0012] Preferably, a slide groove is provided on one side of the sliding support plate close to the center of the annular frame, and the slide groove is distributed along the height direction of the sliding support plate. Four sliding blocks are evenly arranged at equal intervals around the central support plate, and the sliding blocks are slidably installed in the slide groove.

[0013] Preferably, a flange is provided at the driving shaft end of the motor, and the upper end of the drill tube is detachably connected to the flange via a plurality of fastening bolts.

[0014] Preferably, the sample ring is horizontally arranged on the inner wall of the drill tube, and the wall thickness of the sample ring gradually increases from bottom to top.

[0015] Preferably, the width of the storage groove gradually increases from bottom to top.

[0016] Preferably, a mounting plate is provided at the lower end of the connecting rod, and the mounting plate is mounted on the upper surface of the motor.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] The four legs are rotated to a suitable angle, and the lower ends of the four legs are firmly placed on the surface of the rock and soil. The operator holds the handle wheel and presses it down. The motor also works at the same time, and the drive shaft of the motor drives the drill barrel to rotate. The connecting rod, motor and drill barrel are pressed down together, so that the saw teeth contact the surface of the rock and soil layer. The drill barrel and the saw teeth rotate together, and the drill barrel can drill into the inside of the rock and soil layer.

[0019] As the drill tube keeps drilling downward, the sample ring will continue to move downward, and some soil samples will enter the receiving groove, while many soil samples will be inside the drill tube. When the drill tube and the receiving groove are full of soil samples, the motor stops working, and the operator holds the handle wheel and pulls it upward, and the connecting rod, motor and drill tube leave the borehole together. The operator can take out the soil samples in the drill tube and the receiving groove.

[0020] The four legs can provide firm support, and the drill tube can move downward more steadily. As the drilling progresses, the soil sample can enter the receiving groove. The drilling and soil sampling are carried out simultaneously, which saves time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is an overall stereogram of the utility model;

[0022] Figure 2 It is a three-dimensional diagram of the drill tube of the utility model;

[0023] Figure 3 It is a three-dimensional diagram of the interior of the drill tube of the utility model.

[0024] In the figure: 1, annular frame; 11, swivel seat; 12, support leg; 13, sliding support plate; 131, slide groove; 2, center support plate; 21, slider; 22, motor; 23, connecting rod; 24, handle wheel; 3, drill tube; 31, sawtooth; 4, sample ring; 41, storage groove. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0027] like Figure 1-3 As shown, a drilling device for rock and soil exploration includes an annular frame 1, a central support plate 2 and a drill tube 3. Four rotating seats 11 are evenly arranged around the annular frame 1 at equal intervals. A supporting leg 12 is arranged at one end of the rotating seat 11 away from the annular frame 1. The four supporting legs 12 play a supporting role, so that the whole device can be relatively stably located on the rock and soil layer.

[0028] The center of the annular frame 1 is hollow, and four sliding support plates 13 are vertically arranged on the lower surface of the annular frame 1. The four sliding support plates 13 are evenly arranged on the lower surface of the annular frame 1 at equal intervals. The central support plate 2 is located in the middle of the annular frame 1. The surface of the central support plate 2 is slidably connected to the sliding support plate 13, that is, the central support plate 2 can move up and down;

[0029] A motor 22 is vertically arranged on the upper surface of the center support plate 2, the driving shaft of the motor 22 faces downward and is movably connected to the drill tube 3 through a coupling, a connecting rod 23 is vertically arranged on the upper surface of the motor 22, and a handle wheel 24 is arranged on the upper end of the connecting rod 23. The operator holds the handle wheel 24 and can pull the connecting rod 23, the motor 22 and the center support plate 2 up and down;

[0030] The lower surface of the drill tube 3 is provided with a plurality of saw teeth 31 , the inner wall of the drill tube 3 is provided with a sample ring 4 , the upper surface of the sample ring 4 is provided with a receiving groove 41 , and when the drill tube 3 rotates, the saw teeth 31 play a role in drilling.

[0031] There are four legs 12 , the upper ends of the legs 12 are hinged to the swivel seat 11 , the four legs 12 are evenly distributed around the annular frame 1 at equal intervals, the four legs 12 can rotate, and the four legs 12 can be opened to a suitable position.

[0032] A slide groove 131 is provided on one side of the sliding support plate 13 close to the center of the annular frame 1. The slide groove 131 is distributed along the height direction of the sliding support plate 13. Four sliders 21 are evenly arranged at equal intervals around the central support plate 2. The slider 21 is slidably installed in the slide groove 131. The slider 21 can move up and down in the slide groove 131.

[0033] A flange is provided at the driving shaft end of the motor 22, and the upper end of the drill tube 3 is detachably connected to the flange via a plurality of fastening bolts.

[0034] The sample ring 4 is horizontally arranged on the inner wall of the drill tube 3 , and the wall thickness of the sample ring 4 gradually increases from bottom to top; the width of the receiving groove 41 gradually increases from bottom to top.

[0035] A mounting plate is provided at the lower end of the connecting rod 23 , and the mounting plate is mounted on the upper surface of the motor 22 .

[0036] In summary: the four legs 12 are rotated to a suitable angle, the lower ends of the four legs 12 are firmly placed on the surface of the rock and soil, the operator holds the handle wheel 24 and presses down, the motor 22 also works at the same time, and the driving shaft of the motor 22 drives the drill tube 3 to rotate;

[0037] The connecting rod 23, the motor 22 and the drill tube 3 are pressed down together, so that the saw teeth 31 contact the surface of the rock layer, and the drill tube 3 and the saw teeth 31 rotate together, so that the drill tube 3 can drill into the inside of the rock layer;

[0038] As the drill tube 3 keeps drilling downward, the sample ring 4 will also continue to move downward, and some soil samples will enter the receiving groove 41, and many soil samples will be located inside the drill tube 3; when the drill tube 3 and the receiving groove 41 are full of soil samples, the motor 22 stops working, and the operator holds the handle wheel 24 and pulls it upward, so that the connecting rod 23, the motor 22 and the drill tube 3 leave the borehole together; the operator can take out the soil samples in the drill tube 3 and the receiving groove 41;

[0039] In the drilling of the entire device, the four legs 12 can provide firm support, the drill tube 3 can move downward more steadily, and as the drilling proceeds, the soil sample can enter the receiving groove 41, and the drilling and soil sampling are carried out simultaneously, which saves time and effort.

[0040] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A drilling device for geotechnical exploration, characterized in that: It comprises an annular frame (1), a central support plate (2) and a drill tube (3), wherein four rotating seats (11) are evenly arranged around the annular frame (1) at equal intervals, and a supporting leg (12) is arranged at one end of the rotating seat (11) away from the annular frame (1); The center of the annular frame (1) is hollow, and four sliding support plates (13) are vertically arranged on the lower surface of the annular frame (1). The four sliding support plates (13) are evenly arranged on the lower surface of the annular frame (1) at equal intervals. The central support plate (2) is located in the middle of the annular frame (1), and the surface of the central support plate (2) is slidably connected to the sliding support plate (13); A motor (22) is vertically arranged on the upper surface of the central support plate (2), the driving shaft of the motor (22) faces downward and is movably connected to the drill tube (3) through a coupling, a connecting rod (23) is vertically arranged on the upper surface of the motor (22), and a handle wheel (24) is arranged at the upper end of the connecting rod (23); The lower surface of the drill tube (3) is provided with a plurality of saw teeth (31), the inner wall of the drill tube (3) is provided with a sample ring (4), and the upper surface of the sample ring (4) is provided with a receiving groove (41).

2. A drilling device for geotechnical exploration according to claim 1, characterized in that: There are four supporting legs (12), the upper ends of the supporting legs (12) are hinged to the rotating seat (11), and the four supporting legs (12) are evenly distributed around the annular frame (1) at equal intervals.

3. A drilling device for geotechnical exploration according to claim 1, characterized in that: A slide groove (131) is provided on one side of the sliding support plate (13) close to the center of the annular frame (1), and the slide groove (131) is distributed along the height direction of the sliding support plate (13). Four sliding blocks (21) are evenly arranged at equal intervals around the central support plate (2), and the sliding blocks (21) are slidably installed in the slide groove (131).

4. A drilling device for geotechnical exploration according to claim 1, characterized in that: A flange is provided at the end of the drive shaft of the motor (22), and the upper end of the drill tube (3) is detachably connected to the flange via a plurality of fastening bolts.

5. The drilling device for geotechnical exploration according to claim 1, characterized in that: The sample ring (4) is horizontally arranged on the inner wall of the drill tube (3), and the wall thickness of the sample ring (4) gradually increases from bottom to top.

6. A drilling device for geotechnical exploration according to claim 5, characterized in that: The width of the storage groove (41) gradually increases from bottom to top.

7. The drilling device for geotechnical exploration according to claim 1, characterized in that: A mounting plate is provided at the lower end of the connecting rod (23), and the mounting plate is mounted on the upper surface of the motor (22).

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