Geotechnical sampling device for geotechnical engineering investigation

Abstract

The utility model provides a geotechnical sampling device for geotechnical engineering investigation, which comprises a base, crawler walking mechanisms arranged at two ends of two side surfaces of the base, vertical beams fixedly connected to the middle parts of two ends of the upper surface of the base, a top plate fixedly connected to the top ends of the two vertical beams, and a driving box arranged below the middle part of the top plate in a liftable manner, a soil drilling assembly is detachably arranged at the bottom end of the driving box, and fixing assemblies are arranged at the two ends of the bottom face of the base. According to the rock-soil sampling device for geotechnical engineering investigation, the drill bits of various specifications are arranged for installation and replacement, so that the rock-soil sampling device can be suitable for different soil types by using different sampling tools, the situation that the applicability is limited and the use condition is limited due to a single structure is avoided, and the fixing assembly is arranged, so that the structure is simple, and the use is convenient. The sampling device can be fixed in multiple occasions, the drill bit can be effectively prevented from being damaged due to deviation in the sampling process when the sampling device is fixed in the sampling process, and the sampling device can be used for surveying and sampling in steep slopes of some mountainous areas.

Description

Technical Field

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

[0002] Geotechnical engineering investigation refers to the activities of identifying, analyzing, and evaluating the geological, environmental characteristics, and geotechnical conditions of the construction site and compiling investigation documents according to the requirements of the construction project. Geotechnical sampling is to extract the original soil of the lower layer as a sample to understand the properties of its base layer, and to analyze the soil samples of the construction strata for various engineering constructions. Because the geological features on the earth are relatively complex, in the process of geotechnical engineering investigation, in the sampling process, sometimes it is necessary to sample multiple types of strata, and a sampling device is required.

[0003] When operating the existing geotechnical sampling device for geotechnical engineering survey, holes are first drilled on the bottom surface and then the sampling device is taken out. However, different sampling tools are suitable for different soil types. The single structure will limit the applicability and limited use conditions. It can only be used to drill vertically downward on relatively flat and open ground. It is still difficult to survey and sample on vertical walls and steep slopes of geotechnical engineering in some mountainous areas. In addition, it is not convenient to fix the device during use, and it may deviate during the collection process, resulting in damage to the drill bit.

[0004] Therefore, it is necessary to provide a new geotechnical sampling device for geotechnical engineering investigation to solve the above technical problems. Summary of the invention

[0005] The utility model provides a rock and soil sampling device for geotechnical engineering investigation, which solves the technical problem that different sampling tools are suitable for different soil types, and a single structure will lead to limited applicability and limited use conditions. It can only be used to drill vertically downward on relatively flat and open ground. It is still relatively difficult to survey and sample on rock and soil vertical walls and steep slopes in some mountainous areas, and it is not convenient to fix the device during use, which may cause deviation during use, thereby causing damage to the drill bit.

[0006] In order to solve the above technical problems, the utility model provides a geotechnical sampling device for geotechnical engineering investigation, including a base, both ends of the two side surfaces of the base are provided with crawler walking mechanisms, the middle parts of both ends of the upper surface of the base are fixedly connected with vertical beams, the top ends of the two vertical beams are fixedly connected with top plates, a drive box is liftably provided below the middle part of the top plate, a first motor is embedded in the drive box, a soil drilling assembly is detachably provided at the bottom end of the drive box, and fixing assemblies are provided at both ends of the bottom surface of the base.

[0007] Preferably, the soil drilling assembly includes a mounting seat, a mounting block and a drill bit, the mounting seat is fixedly connected to the bottom end of the first motor output shaft, the mounting block is clamped to the bottom end of the mounting seat, and the drill bit is fixedly connected to the bottom end of the mounting block.

[0008] Preferably, a first screw rod and a second screw rod are rotatably provided vertically and respectively between the two ends of the upper surface of the base and the two ends of the lower surface of the top plate and on the inner sides of the two vertical beams. The surfaces of the first screw rod and the second screw rod are slidably connected with sliding blocks, and connecting plates are fixedly connected between the two sliding blocks and the two end surfaces of the drive box.

[0009] Preferably, a dustproof box is fixedly connected to the top of the top plate, a chassis is fixedly connected to the middle of the top of the inner wall of the dustproof box, a second motor is provided in the inner cavity of the chassis, and support rods are fixedly connected between both ends of the bottom surface of the chassis and the top surface of the top plate.

[0010] Preferably, the top end of the first screw rod passes through the top plate part and is fixedly connected to the surface of the second motor output shaft with a first pulley, and the two first pulleys are connected via a first belt transmission, and the top end of the second screw rod passes through the top plate part and is fixedly connected to the surface of the second motor output shaft with a second pulley, and the two second pulleys are connected via a second belt transmission.

[0011] Preferably, the fixing assembly includes a fixing box, a third screw rod, a sliding plate, a connecting ring and a spiked rod, the fixing box is fixedly connected to one end of the lower surface of the base, the third screw rod is rotatably vertically penetrated through one side of the inner cavity of the fixing box, the sliding plate is slidably connected to the surface of the third screw rod, the connecting ring is fixedly connected to the outer surface of the sliding plate, and the top end of the surface of the spiked rod is fixedly connected to the inner ring surface of the connecting ring.

[0012] Preferably, a plurality of springs are fixedly connected between the bottom end of the inner wall of the fixed box and the bottom surface of the connecting ring, a first bevel gear is fixedly connected to the top end of the surface of the third screw rod, a second bevel gear is rotatably provided on the inner wall of the fixed box, and the first bevel gear is meshed with the second bevel gear.

[0013] Preferably, cavities are provided inside both ends of the base, counterweight blocks are arranged in the two cavities, and a through hole is vertically provided in the middle of the base.

[0014] Compared with the related art, the geotechnical engineering survey rock sampling device provided by the utility model has the following beneficial effects:

[0015] The utility model provides a rock and soil sampling device for geotechnical engineering investigation. By arranging drill bits of various specifications for installation and replacement, different sampling tools can be used to apply to different soil types, and there will be no situation in which a single structure will lead to limited applicability and limited use conditions. In addition, a fixing component is provided, which can be fixed in multiple occasions. Fixing during sampling can effectively prevent deviation during the collection process, thereby preventing damage to the drill bit. In addition, the utility model can be used for investigation and sampling at rock and soil vertical walls and steep slopes in some mountainous areas. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic structural diagram of a preferred embodiment of a geotechnical sampling device for geotechnical engineering investigation provided by the utility model;

[0017] Figure 2 for Figure 1 A partial enlarged cross-sectional structural diagram of the base shown;

[0018] Figure 3 for Figure 1 The front view structural schematic diagram is shown.

[0019] Numbers in the figure: 1. base, 2. crawler walking mechanism, 3. vertical beam, 4. top plate, 5. drive box, 6. first motor, 7. mounting seat, 8. drill bit, 9. first screw rod, 10. second screw rod, 11. sliding block, 12. connecting plate, 13. dustproof box, 14. chassis, 15. second motor, 16. support rod, 17. first pulley, 18. second pulley, 19. fixed box, 20. third screw rod, 21. sliding plate, 22. connecting ring, 23. spike rod, 24. spring, 25. first bevel gear, 26. second bevel gear, 27. counterweight. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0021] Please refer to Figure 1 , Figure 2 and Figure 3 ,in, Figure 1 A schematic structural diagram of a preferred embodiment of a geotechnical sampling device for geotechnical engineering investigation provided by the utility model; Figure 2 for Figure 1 The schematic diagram of the partial enlarged cross-sectional structure of the base shown in FIG. Figure 3 for Figure 1The front view structural schematic diagram is shown. The geotechnical sampling device for geotechnical engineering investigation comprises: a base 1, crawler walking mechanisms 2 are arranged at both ends of the two side surfaces of the base 1, vertical beams 3 are fixedly connected to the middle of both ends of the upper surface of the base 1, top plates 4 are fixedly connected to the top ends of the two vertical beams 3, a driving box 5 is liftably arranged at the lower middle of the top plate 4, a first motor 6 is embedded in the driving box 5, a soil drilling assembly is detachably arranged at the bottom end of the driving box 5, and fixed assemblies are arranged at both ends of the bottom surface of the base 1.

[0022] The crawler walking mechanism 2 can be well adapted to travel on various road surfaces, so that the device can move on a variety of terrains.

[0023] After transporting the device to the desired place, rotate the second bevel gear 26 to drive the first bevel gear 25, thereby rotating the third screw 20, and the sliding plate 21 slides downward, driving the connecting ring 22 to descend, so that the spike rod 23 penetrates into the soil to achieve a fixing effect. The first screw 9 and the second screw 10 are controlled by the second motor 15 to rotate, so that the two sliding blocks 11 descend, thereby driving the connecting plate 12 and the drive box 5 to descend synchronously, so that the drill bit 8 moves downward, and at the same time, start the first motor 6 to rotate the drill bit to start sampling. When facing different required drill bits, they can be disassembled and replaced at any time.

[0024] By providing drill bits 8 of various specifications for installation and replacement, different sampling tools can be used for different soil types, and there will be no situation where a single structure will lead to limited applicability and limited use conditions. In addition, a fixing component is provided, which can be fixed on multiple occasions. Fixing during sampling can effectively prevent deviation during the collection process and thus damage to the drill bit. It can also be used for surveying and sampling on rock and soil vertical walls and steep slopes in some mountainous areas.

[0025] The soil drilling assembly includes a mounting seat 7, a mounting block and a drill bit 8. The mounting seat 7 is fixedly connected to the bottom end of the output shaft of the first motor 6, the mounting block is clamped to the bottom end of the mounting seat 7, and the drill bit 8 is fixedly connected to the bottom end of the mounting block.

[0026] The drill bit 8 is provided with various specifications, and each specification of the drill bit 8 is fixedly connected to a mounting block. A clamping block is arranged around the top of the mounting block surface. A clamping groove is provided in the mounting seat 7, and a plurality of through grooves are provided in a ring on the outer wall of the clamping groove. A protrusion is fixedly connected to the top of the mounting block. A fixing groove extending upward is provided in the mounting seat 7. Bolt holes are passed through the two sides of the fixing groove and the top of the protrusion, which can be connected by bolts so that the entire drill bit 8 can rotate stably to prevent it from falling off.

[0027] A first screw rod 9 and a second screw rod 10 are rotatably arranged vertically and respectively between the two ends of the upper surface of the base 1 and the two ends of the lower surface of the top plate 4 and on the inner sides of the two vertical beams 3. Sliding blocks 11 are slidably connected to the surfaces of the first screw rod 9 and the second screw rod 10, and connecting plates 12 are fixedly connected between the two sliding blocks 11 and the two end surfaces of the drive box 5.

[0028] When the first screw rod 9 and the second screw rod 10 rotate, the two sliding blocks 11 will slide on the surfaces of the two screw rods, driving the soil drilling assembly to slowly move downward, thereby achieving the effect of soil drilling.

[0029] A dustproof box 13 is fixedly connected to the top of the top plate 4, a chassis 14 is fixedly connected to the middle of the top of the inner wall of the dustproof box 13, a second motor 15 is arranged in the inner cavity of the chassis 14, and support rods 16 are fixedly connected between the two ends of the bottom surface of the chassis 14 and the top surface of the top plate 4.

[0030] The top end of the first screw rod 9 passes through the top plate 4 and is fixedly connected to the surface of the output shaft of the second motor 15 with a first pulley 17, and the two first pulleys 17 are connected via a first belt transmission. The top end of the second screw rod 10 passes through the top plate 4 and is fixedly connected to the surface of the output shaft of the second motor 15 with a second pulley 18, and the two second pulleys 18 are connected via a second belt transmission.

[0031] The second motor 15 can rotate the first pulley 17 and the second pulley 18 through the first belt and the second belt transmission respectively, so that the two screws rotate synchronously, so that the sliding blocks on their surfaces can slide up or down, and the speed is slowly descending or ascending, which is convenient for sampling.

[0032] The fixing assembly includes a fixing box 19, a third screw rod 20, a sliding plate 21, a connecting ring 22 and a spike rod 23. The fixing box 19 is fixedly connected to one end of the lower surface of the base 1, the third screw rod 20 is rotatably vertically penetrated through one side of the inner cavity of the fixing box 19, the sliding plate 21 is slidably connected to the surface of the third screw rod 20, the connecting ring 22 is fixedly connected to the outer surface of the sliding plate 21, and the top of the surface of the spike rod 23 is fixedly connected to the inner ring surface of the connecting ring 22.

[0033] The second bevel gear 26 is rotated to drive the first bevel gear 25, thereby rotating the third screw rod 20, and the sliding plate 21 slides downward, driving the connecting ring 22 to descend, so that the spike rod 23 penetrates into the soil to achieve a fixing effect.

[0034] A plurality of springs 24 are fixedly connected between the bottom end of the inner wall of the fixed box 19 and the bottom surface of the connecting ring 22, a first bevel gear 25 is fixedly connected to the top end of the surface of the third screw rod 20, and a second bevel gear 26 is rotatably provided on the inner wall of the fixed box 19, and the first bevel gear 25 meshes with the second bevel gear 26.

[0035] A rotating rod is rotatably provided on one side of the inner wall of the fixed box 19, one end of the rotating rod is fixedly connected to the second bevel gear 26, and a knob is fixedly connected to the outer end of the rotating rod. The rotating rod can be rotated by rotating the knob, and the rotation of the rotating rod can drive the second bevel gear 26 to rotate and transmit the first bevel gear.

[0036] Cavities are provided at both ends of the base 1 , and counterweights 27 are provided in the two cavities. A through hole is vertically provided in the middle of the base 1 .

[0037] The counterweight 27 can prevent the device from tipping over on a too steep road surface. The diameter of the through hole is the diameter of the largest drill bit 8.

[0038] The working principle of the geotechnical sampling device for geotechnical engineering investigation provided by the utility model is as follows: after the device is transported to the required place, the second bevel gear 26 is rotated to drive the first bevel gear 25, thereby rotating the third screw rod 20, and the sliding plate 21 slides downward, driving the connecting ring 22 to descend, so that the spike rod 23 penetrates into the soil to achieve a fixing effect, and the first screw rod 9 and the second screw rod 10 are controlled by the second motor 15 to rotate, so that the two sliding blocks 11 descend, thereby driving the connecting plate 12 and the driving box 5 to descend synchronously, so that the drill bit 8 moves downward, and at the same time, the first motor 6 is started to rotate the drill bit to start sampling. When facing different required drill bits, it can be disassembled and replaced at any time.

[0039] Compared with the related art, the geotechnical engineering survey rock sampling device provided by the utility model has the following beneficial effects:

[0040] The utility model provides a rock and soil sampling device for geotechnical engineering investigation. By arranging drill bits 8 of various specifications for installation and replacement, different sampling tools can be used to apply to different soil types, and there will be no situation in which a single structure will lead to limited applicability and limited use conditions. In addition, a fixing component is provided, which can be fixed in multiple occasions. Fixing during sampling can effectively prevent deviation during the collection process, thereby preventing damage to the drill bit. In addition, the utility model can be used for investigation and sampling at rock and soil vertical walls and steep slopes in some mountainous areas.

[0041] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A geotechnical sampling device for geotechnical engineering investigation, comprising a base (1), characterized in that: Both ends of the two side surfaces of the base (1) are provided with crawler walking mechanisms (2); the middle parts of both ends of the upper surface of the base (1) are fixedly connected with vertical beams (3); the top ends of the two vertical beams (3) are fixedly connected with top plates (4); a drive box (5) is liftably provided at the lower middle part of the top plate (4); a first motor (6) is embedded in the drive box (5); a soil drilling assembly is detachably provided at the bottom end of the drive box (5); and fixed assemblies are provided at both ends of the bottom surface of the base (1); The soil drilling assembly comprises a mounting seat (7), a mounting block and a drill bit (8); the mounting seat (7) is fixedly connected to the bottom end of the output shaft of the first motor (6); the mounting block is clamped at the bottom end of the mounting seat (7); the drill bit (8) is fixedly connected to the bottom end of the mounting block; the drill bit (8) is provided with a plurality of specifications, and each specification of the drill bit (8) is fixedly connected to a mounting block.

2. The rock and soil sampling device for geotechnical engineering investigation according to claim 1, characterized in that: A first screw rod (9) and a second screw rod (10) are rotatably arranged vertically and penetrate the two ends of the upper surface of the base (1) and the two ends of the lower surface of the top plate (4) and are located on the inner sides of the two vertical beams (3). The surfaces of the first screw rod (9) and the second screw rod (10) are slidably connected with sliding blocks (11). Connecting plates (12) are fixedly connected between the two sliding blocks (11) and the surfaces of both ends of the drive box (5).

3. The rock and soil sampling device for geotechnical engineering investigation according to claim 2, characterized in that: The top of the top plate (4) is fixedly connected to a dustproof box (13), the middle of the top of the inner wall of the dustproof box (13) is fixedly connected to a machine box (14), the inner cavity of the machine box (14) is provided with a second motor (15), and support rods (16) are fixedly connected between the two ends of the bottom surface of the machine box (14) and the top surface of the top plate (4).

4. The rock and soil sampling device for geotechnical engineering investigation according to claim 3, characterized in that: The top end of the first screw rod (9) passes through the top plate (4) and is fixedly connected to the surface of the output shaft of the second motor (15) with a first pulley (17), and the two first pulleys (17) are connected via a first belt transmission. The top end of the second screw rod (10) passes through the top plate (4) and is fixedly connected to the surface of the output shaft of the second motor (15) with a second pulley (18), and the two second pulleys (18) are connected via a second belt transmission.

5. The rock and soil sampling device for geotechnical engineering investigation according to claim 1, characterized in that: The fixing assembly comprises a fixing box (19), a third screw rod (20), a sliding plate (21), a connecting ring (22) and a spike rod (23); the fixing box (19) is fixedly connected to one end of the lower surface of the base (1); the third screw rod (20) is rotatably vertically penetrated through one side of the inner cavity of the fixing box (19); the sliding plate (21) is slidably connected to the surface of the third screw rod (20); the connecting ring (22) is fixedly connected to the outer surface of the sliding plate (21); and the top end of the surface of the spike rod (23) is fixedly connected to the inner ring surface of the connecting ring (22).

6. The rock and soil sampling device for geotechnical engineering investigation according to claim 5, characterized in that: A plurality of springs (24) are fixedly connected between the bottom end of the inner wall of the fixed box (19) and the bottom surface of the connecting ring (22); a first bevel gear (25) is fixedly connected to the top end of the surface of the third screw rod (20); a second bevel gear (26) is rotatably provided on the inner wall of the fixed box (19); the first bevel gear (25) meshes with the second bevel gear (26).

7. The rock and soil sampling device for geotechnical engineering investigation according to claim 1, characterized in that: Both ends of the base (1) are provided with cavities, counterweight blocks (27) are arranged in the two cavities, and a through hole is vertically provided in the middle of the base (1).

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