Drilling equipment convenient for drill bit disassembly and based on geotechnical investigation

Abstract

The invention discloses drilling equipment convenient for drill bit disassembly based on geotechnical investigation, and relates to the technical field of geotechnical investigation, the drilling equipment comprises a moving assembly, the top of the moving assembly is provided with an adjusting assembly, a spraying assembly, a cleaning assembly and a dust removal assembly, and the inner wall of the adjusting assembly is provided with a drill cylinder assembly; and a clamping assembly is mounted at the top of the dust removal assembly. According to the drilling equipment with the drill bit convenient to disassemble based on geotechnical investigation, the dust removal assembly and the spraying assembly are adopted, when the drilling equipment is used, dust falling can be conducted, and it is avoided that dust rises and enters air during drilling operation, and air pollution is caused; the rack, the cleaning assembly and the spraying assembly are adopted, when the drilling equipment is used, the surface of the drilling barrel assembly can be automatically cleaned, and the workload of operators can be relieved; and the clamping assembly is adopted, when the drill bit needs to be disassembled, the drill bit can be automatically disassembled, and the convenience of the drilling equipment in use is improved.

Description

Technical Field

[0001] The invention relates to the technical field of geotechnical exploration, in particular to drilling equipment for geotechnical exploration with a drill bit that is easy to disassemble. Background Art

[0002] Geotechnical investigation refers to the systematic investigation and analysis of geological media such as soil, rock and groundwater to evaluate their engineering properties and bearing capacity, and to provide reliable geological data for engineering design and construction. The results of geotechnical investigation are crucial to the design and construction of engineering projects such as buildings, bridges, roads, tunnels and dams.

[0003] Drilling equipment is an important tool for geological exploration. Drilling equipment collects underground rock and soil samples through drilling technology, helps assess underground conditions, and provides important data support for construction projects, mineral resource development, infrastructure construction, etc.

[0004] The current drilling equipment still has the following shortcomings:

[0005] 1. When disassembling the drill bit of ordinary drilling equipment, it usually requires manual operation, which is cumbersome, time-consuming and labor-intensive;

[0006] 2. During the use of drilling equipment, a lot of dust is often generated during drilling operations. This dust is released into the air, causing air pollution, which not only affects the environment, but may also harm the health of operators;

[0007] 3. At present, after the use of drilling equipment, the drill bit and drill rod usually need to be cleaned manually. This process is not only cumbersome, but also time-consuming and labor-intensive, which increases the workload of operators and affects the maintenance efficiency of the equipment. Summary of the invention

[0008] In view of the deficiencies in the prior art, the present invention provides a drilling device for geotechnical exploration with a drill bit that is easy to disassemble, thereby solving the problems raised in the above-mentioned background technology.

[0009] To achieve the above objectives, the present invention is implemented through the following technical solutions: a drilling device based on geotechnical exploration that is easy to disassemble the drill bit, including a moving component, the top of which is equipped with an adjustment component, a spray component, a cleaning component and a dust removal component, the inner wall of the adjustment component is equipped with a drill barrel component, and the top of the dust removal component is equipped with a clamping component.

[0010] The spray assembly includes a support frame, a liquid storage tank, a pump housing and a speed increaser. A telescopic rod is installed at the input end of the speed increaser, a second bevel gear is installed at one side of the telescopic rod, and a liquid spray head is installed on the top of the support frame.

[0011] The cleaning assembly includes a fixed block and a rotating rod, the outer wall of the rotating rod is sequentially installed with a third bevel gear and an L-shaped mounting plate from top to bottom, a brush plate is installed at the front end of the L-shaped mounting plate, a connecting rod is rotatably installed through the rear end of the fixed block, and a spur gear and a fourth bevel gear are sequentially installed on the outer wall of the connecting rod from back to front.

[0012] Optionally, the moving component includes a U-shaped base plate, a pushing handle is installed on the top of the U-shaped base plate, a first electric push rod is installed through the top of the U-shaped base plate, a support plate is installed on the bottom of the first electric push rod, a first sliding rod is installed on the top of the support plate, the first electric push rod, the support plate and the first sliding rod are symmetrically distributed about the vertical center line of the U-shaped base plate, a rack is installed on the top of the support plate, and universal wheels are provided at the four corners of the bottom of the U-shaped base plate.

[0013] Optionally, a circular hole with an internal dimension structure consistent with the external dimension structure of the first slide bar is opened on the top of the U-shaped bottom plate, and the first slide bar is slidably installed in the circular hole, and a plurality of evenly and equidistantly distributed conical rods are provided on the bottom of the support plate.

[0014] Optionally, the adjustment assembly includes a U-shaped frame installed on the top of the U-shaped base plate, a second sliding rod is installed on the top of the inner wall of the U-shaped frame, a first reduction motor is installed on the top of the U-shaped frame, a threaded rod is installed on the output end of the first reduction motor, a first bevel gear is installed on the outer wall of the threaded rod, a movable plate is threadedly installed on the outer wall of the threaded rod, a second reduction motor is installed on the top of the movable plate, an externally threaded block is installed on the output end of the second reduction motor, a first mounting block is installed on the outer wall of the externally threaded block and near the top, a circular hole is opened on the top of the movable plate, and the second sliding rod is slidably installed in the circular hole, and the U-shaped frame and the second sliding rod are symmetrically distributed about the vertical center line of the movable plate.

[0015] Optionally, the drill barrel assembly includes a drill barrel threadedly mounted on the outer wall of an external threaded block, a second mounting block is installed on the outer wall of the drill barrel near the top, and the second mounting blocks are symmetrically distributed about the vertical center line of the drill barrel, and screw holes are provided on the tops of the first mounting block and the second mounting block, and a drill bit is threadedly mounted on the inner wall of the drill barrel near the bottom.

[0016] Optionally, the support frame, liquid storage tank, pump casing and speed increaser are all installed on the top of the U-shaped bottom plate, the output end of the speed increaser is provided with an impeller, the liquid inlet end of the pump casing is connected with the liquid storage tank through a pipe, the second bevel gear is installed in meshing with the first bevel gear, the pump casing, speed increaser, telescopic rod and the second bevel gear are symmetrically distributed about the vertical center line of the first bevel gear, the liquid inlet end of the symmetrically distributed pump casing is connected with the liquid storage tank through a pipe, and the liquid outlet end is connected with the spray head through an electric valve and a pipe.

[0017] Optionally, the telescopic rod consists of a hexagonal tube, an electric push rod and a hexagonal rod assembly, the hexagonal rod is slidably mounted on the inner wall of the hexagonal tube, the electric push rod is mounted on one side of the inner wall of the hexagonal tube, and one side of the electric push rod is connected to the hexagonal rod.

[0018] Optionally, the fixed block is installed on the top of the U-shaped bottom plate, the rotating rod is rotatably installed on the top of the U-shaped bottom plate, the third bevel gear is meshed with the fourth bevel gear, and the spur gear is meshed with the rack.

[0019] Optionally, the dust removal assembly includes an L-shaped fixing plate installed on the top of the U-shaped bottom plate, an annular plate is installed on one side of the L-shaped fixing plate, a spray ring is installed at the bottom of the annular plate, a plurality of nozzles are provided at the bottom of the spray ring, and the plurality of nozzles are distributed in a ring shape with the vertical center line of the spray ring as the origin, and the spray ring is connected to the liquid outlet of the pump casing through a pipeline and an electric valve.

[0020] Optionally, the clamping assembly includes a support block installed on the top of the annular plate, a second electric push rod is installed through the front end of the support block, an arc-shaped clamping block is installed at the rear end of the second electric push rod, a third sliding rod is installed at the front end of the arc-shaped clamping block, a circular hole is opened at the front end of the arc-shaped clamping block, and the third sliding rod is slidably installed in the circular hole, the clamping assemblies are symmetrically distributed about the vertical center line of the annular plate, and an anti-slip rubber block is provided on the inner wall of the arc-shaped clamping block.

[0021] The present invention provides a drilling device for geotechnical exploration that is easy to disassemble the drill bit, which has the following beneficial effects:

[0022] The drilling equipment for geotechnical exploration with easy drill bit disassembly is configured to start two first electric push rods through a moving component when the drilling equipment is in use. The two first electric push rods drive the corresponding support plates to move downward, so that a plurality of cone rods at the bottom of the support plates are inserted into the ground. At the same time, the support plates are in contact with the ground to support the drilling equipment, thereby improving the stability of the drilling equipment when in use.

[0023] The drilling equipment based on geotechnical exploration and easy to disassemble the drill bit has a dust removal component and a spray component. When the drilling equipment is used, the electric push rod is started to drive the hexagonal rod and the second bevel gear to move, so that the second bevel gear is meshed with the first bevel gear. When the first reduction motor is started, the first reduction motor drives the impeller in the pump housing to rotate through the threaded rod, the first bevel gear, the second bevel gear, the telescopic rod and the speed increaser, and pumps water in the liquid storage tank so that the water enters the spray ring through the pipeline. Then the water is sprayed out through a plurality of nozzles at the bottom of the spray ring, so as to reduce dust and prevent dust from floating into the air during drilling operations to cause air pollution.

[0024] The drilling equipment based on geotechnical exploration and easy to disassemble the drill bit, through the rack, cleaning assembly and spray assembly, when using the drilling equipment, two first electric push rods are started to drive the support plate and the rack to move up, when the rack moves up, the third bevel gear, the rotating rod, the L-shaped mounting plate and the brush plate are driven to rotate 90 degrees counterclockwise through the spur gear, the connecting rod and the fourth bevel gear, the brush plate contacts the outer wall of the drill barrel assembly, when the first reduction motor and the second reduction motor are started, the drill barrel assembly is driven to rotate and move up, the first bevel gear rotates through the symmetrically distributed second bevel gear, the telescopic rod and the speed increaser to drive the impeller in the pump casing to rotate, pumping water from the liquid storage tank, the water enters the spray head through the pipeline, and then sprays out through the spray head, the water is sprayed to the outer wall of the drill barrel assembly, when the drill barrel assembly rotates, the brush plate cleans the outer wall of the drill barrel assembly, after the drilling of the drilling equipment is completed, the surface of the drill barrel assembly is automatically cleaned, the workload of the operator can be reduced, and the convenience of using the drilling equipment is improved.

[0025] The drilling equipment for geotechnical exploration and easy drill bit disassembly uses a clamping assembly to start two second electric push rods to drive corresponding arc-shaped clamping blocks to clamp the drill bit when the drill bit on the drilling equipment needs to be disassembled, and then the first reduction motor and the second reduction motor are started to drive the drill barrel assembly to rotate in the opposite direction and move upward, so that the drill barrel is separated from the drill bit, and the drill bit can be automatically disassembled, which can reduce the workload of operators and improve the convenience of using the drilling equipment.

[0026] The drilling equipment for geotechnical exploration with easy drill bit disassembly can be quickly disassembled from the external threaded block by adjusting the assembly and the drill barrel assembly when the drilling equipment needs to be maintained, by disassembling the screws connecting the first mounting block and the second mounting block and then rotating the drill barrel assembly, so as to facilitate subsequent maintenance work and reduce the work intensity during maintenance work. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the main structure of the invention;

[0028] Figure 2It is a schematic diagram of the structure of the mobile component in the invention;

[0029] Figure 3 It is a schematic diagram of the structure of the regulating component in the invention;

[0030] Figure 4 It is a schematic diagram of the full cross-section structure of the drill barrel assembly in the invention;

[0031] Figure 5 It is a schematic diagram of the structure of the spray assembly in the invention;

[0032] Figure 6 It is a schematic diagram of the fully cutaway and enlarged structure of the telescopic rod in the invention;

[0033] Figure 7 It is a schematic diagram of the structure of the cleaning component in the invention;

[0034] Figure 8 It is a schematic diagram of the structure of the dust removal component in the invention;

[0035] Fig. 9 It is a schematic diagram of the structure of the clamping assembly in the invention.

[0036] In the figure: 1. moving assembly; 101. U-shaped bottom plate; 102. pushing handle; 103. first electric push rod; 104. supporting plate; 105. first slide bar; 106. rack; 2. adjusting assembly; 201. U-shaped frame; 202. second slide bar; 203. first reduction motor; 204. threaded rod; 205. first bevel gear; 206. moving plate; 207. second reduction motor; 208. external thread block; 209. first mounting block; 3. drill barrel assembly; 301. drilling barrel; 302. second mounting block; 303. drill bit; 4. spray assembly; 401. supporting frame; 40 2. Liquid storage tank; 403. Pump housing; 404. Speed ​​increaser; 405. Telescopic rod; 406. Second bevel gear; 407. Spray head; 5. Cleaning assembly; 501. Fixed block; 502. Rotating rod; 503. Third bevel gear; 504. L-shaped mounting plate; 505. Brush plate; 506. Connecting rod; 507. Spur gear; 508. Fourth bevel gear; 6. Dust removal assembly; 601. L-shaped fixed plate; 602. Annular plate; 603. Spray ring; 7. Clamping assembly; 701. Support block; 702. Second electric push rod; 703. Arc clamping block; 704. Third slide rod. DETAILED DESCRIPTION

[0037] 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 the embodiments.

[0038] In the description of the present invention, unless otherwise specified, "plurality" means two or more than two; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. are based on the orientations or positional relationships shown in the 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 orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0039] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] See also Figures 1 to 9 The present invention provides a technical solution: a drilling device for geotechnical exploration that is easy to disassemble a drill bit, comprising a moving component 1, an adjusting component 2, a spraying component 4, a cleaning component 5 and a dust removal component 6 are installed on the top of the moving component 1, a drill barrel component 3 is installed on the inner wall of the adjusting component 2, and a clamping component 7 is installed on the top of the dust removal component 6.

[0041] The spray assembly 4 includes a support frame 401, a liquid storage tank 402, a pump housing 403 and a speed increaser 404. A telescopic rod 405 is installed at the input end of the speed increaser 404, a second bevel gear 406 is installed on one side of the telescopic rod 405, and a liquid spray head 407 is installed on the top of the support frame 401.

[0042] The cleaning assembly 5 includes a fixed block 501 and a rotating rod 502. The outer wall of the rotating rod 502 is sequentially installed with a third bevel gear 503 and an L-shaped mounting plate 504 from top to bottom. A brush plate 505 is installed at the front end of the L-shaped mounting plate 504. A connecting rod 506 is rotatably installed through the rear end of the fixed block 501. The outer wall of the connecting rod 506 is sequentially installed with a spur gear 507 and a fourth bevel gear 508 from back to front.

[0043] In this embodiment, Figure 2As shown, the moving component 1 includes a U-shaped base plate 101, a pushing handle 102 is installed on the top of the U-shaped base plate 101, a first electric push rod 103 is installed through the top of the U-shaped base plate 101, a support plate 104 is installed at the bottom of the first electric push rod 103, a first slide bar 105 is installed on the top of the support plate 104, the first electric push rod 103, the support plate 104 and the first slide bar 105 are symmetrically distributed about the vertical center line of the U-shaped base plate 101, a rack 106 is installed on the top of the support plate 104, and universal wheels are provided at the four corners of the bottom of the U-shaped base plate 101; the universal wheels at the bottom of the U-shaped base plate 101 facilitate the movement of the drilling equipment, thereby improving the convenience of the equipment when used.

[0044] In this embodiment, Figure 2 As shown, a circular hole whose internal dimension structure is consistent with the external dimension structure of the first slide bar 105 is opened on the top of the U-shaped bottom plate 101, and the first slide bar 105 is slidably installed in the circular hole, and a plurality of tapered rods evenly and equidistantly distributed are provided at the bottom of the support plate 104; when the two first electric push rods 103 are started, driving the support plate 104 to move downward, the first slide bar 105 can improve the stability of the support plate 104 moving up and down, and when the support plate 104 is close to the ground, the plurality of tapered rods at the bottom of the support plate 104 are inserted into the ground, and when the support plate 104 contacts the ground, the plurality of tapered rods at the bottom of the support plate 104 are completely inserted into the ground, which can improve the stability of the drilling equipment during use.

[0045] In this embodiment, Figure 2 and Figure 3 As shown, the adjustment component 2 includes a U-shaped frame 201 installed on the top of the U-shaped bottom plate 101, a second sliding rod 202 is installed on the top of the inner wall of the U-shaped frame 201, a first reduction motor 203 is installed on the top of the U-shaped frame 201, a threaded rod 204 is installed on the output end of the first reduction motor 203, a first bevel gear 205 is installed on the outer wall of the threaded rod 204, a moving plate 206 is threadedly installed on the outer wall of the threaded rod 204, a second reduction motor 207 is installed on the top of the moving plate 206, and an external thread block 207 is installed on the output end of the second reduction motor 207 8. A first mounting block 209 is installed on the outer wall of the external thread block 208 and near the top. A circular hole is opened on the top of the movable plate 206, and the second slide bar 202 is slidably installed in the circular hole. The U-shaped frame 201 and the second slide bar 202 are symmetrically distributed about the vertical center line of the movable plate 206. When the second reduction motor 207 is started, the movable plate 206 can be driven to move up and down through the threaded rod 204, and the second reduction motor 207 and the external thread block 208 can be driven to move up and down at the same time, so that the height of the drill barrel assembly 3 can be adjusted to perform drilling work.

[0046] In this embodiment, Figure 3 and Figure 4As shown, the drill barrel assembly 3 includes a drill barrel 301 threadedly mounted on the outer wall of the external thread block 208, a second mounting block 302 is mounted on the outer wall of the drill barrel 301 near the top, and the second mounting blocks 302 are symmetrically distributed about the vertical center line of the drill barrel 301, and screw holes are opened on the tops of the first mounting block 209 and the second mounting block 302, and a drill bit 303 is threadedly mounted on the inner wall of the drill barrel 301 near the bottom; the first mounting block 209 and the second mounting block 302 are connected by bolts, and when the second reduction motor 207 is started, the drill barrel assembly 3 can be driven to rotate through the external thread block 208 to perform drilling work, and the screws connecting the first mounting block 209 and the second mounting block 302 are removed, and then the drill barrel assembly 3 is rotated, so that the drill barrel assembly 3 can be removed from the external thread block 208, which is convenient for subsequent maintenance work.

[0047] In this embodiment, Figure 2 and Figure 5 As shown, the support frame 401, the liquid storage tank 402, the pump housing 403 and the speed increaser 404 are all installed on the top of the U-shaped bottom plate 101, the output end of the speed increaser 404 is provided with an impeller, the liquid inlet end of the pump housing 403 is connected with the liquid storage tank 402 through a pipeline, the second bevel gear 406 is meshed and installed with the first bevel gear 205, the pump housing 403, the speed increaser 404, the telescopic rod 405 and the second bevel gear 406 are symmetrically distributed about the vertical center line of the first bevel gear 205, the liquid inlet end of the symmetrically distributed pump housing 403 is connected with the liquid storage tank 402 through a pipeline, and the liquid outlet end is connected with the liquid spray head 407 through an electric valve and a pipeline; when the first reduction motor 203 is started, the thread is driven When the rod 204 and the first bevel gear 205 rotate, the first bevel gear 205 drives the impeller in the pump housing 403 to rotate through the second bevel gear 406, the telescopic rod 405 and the speed increaser 404, pumping the water in the liquid storage tank 402 so that the water enters the spray ring 603 through the pipeline to perform dust removal. When the symmetrically distributed first bevel gears 205 are meshed with the first bevel gear 205, the impeller in the pump housing 403 can be driven to rotate through the corresponding second bevel gear 406, the telescopic rod 405 and the speed increaser 404, pumping the water in the liquid storage tank 402, the water enters the spray head 407 through the pipeline, and then is sprayed out through the spray head 407 to wash the outer wall of the drill tube assembly 3.

[0048] In this embodiment, Figure 6As shown, the telescopic rod 405 consists of a hexagonal tube, an electric push rod and a hexagonal rod assembly. The hexagonal rod is slidably installed on the inner wall of the hexagonal tube, and the electric push rod is installed on one side of the inner wall of the hexagonal tube. One side of the electric push rod is connected to the hexagonal rod. Circular holes are provided on both sides of the U-shaped frame 201, and the hexagonal rod passes through the circular holes. When the electric push rod is started, the hexagonal rod can be driven to slide left and right in the hexagonal tube, thereby driving the second bevel gear 406 to move left and right. According to needs, the second bevel gear 406 can be separated or engaged with the first bevel gear 205 to disconnect or connect the transmission, thereby improving the applicability of the drilling equipment when used.

[0049] In this embodiment, Figure 2 and Figure 7 As shown, the fixed block 501 is installed on the top of the U-shaped base plate 101, the rotating rod 502 is rotatably installed on the top of the U-shaped base plate 101, the third bevel gear 503 is meshed with the fourth bevel gear 508, and the spur gear 507 is meshed with the rack 106; when the first electric push rod 103 is started, the rack 106 is driven to move upward through the support plate 104, and the rack 106 drives the spur gear 507, the connecting rod 506 and the fourth bevel gear 508 to rotate when it moves upward. When the fourth bevel gear 508 rotates, it rotates through the third bevel gear 503, the rotating rod 502, the L-shaped mounting plate 504 and the brush plate 505. When the support plate 104 moves up to the top, the L-shaped mounting plate 504 and the brush plate 505 are driven to rotate 90°, so that the brush plate 505 contacts the outer wall of the drill barrel assembly 3. When the drill barrel assembly 3 rotates, the brush plate 505 can clean the outer wall of the drill barrel assembly 3.

[0050] In this embodiment, Figure 2 and Figure 8 As shown, the dust removal assembly 6 includes an L-shaped fixed plate 601 installed on the top of the U-shaped bottom plate 101, an annular plate 602 is installed on one side of the L-shaped fixed plate 601, a spray ring 603 is installed at the bottom of the annular plate 602, a plurality of nozzles are provided at the bottom of the spray ring 603, and the plurality of nozzles are distributed in a ring shape with the vertical center line of the spray ring 603 as the origin, and the spray ring 603 is connected to the liquid outlet of the pump housing 403 through a pipeline and an electric valve; when water enters the spray ring 603 through the pipeline and is sprayed out through the plurality of nozzles at the bottom of the spray ring 603, the sprayed water mist can play a role in dust reduction during drilling work.

[0051] In this embodiment, Figure 8 and Fig. 9As shown, the clamping assembly 7 includes a support block 701 installed on the top of the annular plate 602, a second electric push rod 702 is installed through the front end of the support block 701, an arc clamping block 703 is installed at the rear end of the second electric push rod 702, a third slide bar 704 is installed at the front end of the arc clamping block 703, and a circular hole is opened at the front end of the arc clamping block 703, and the third slide bar 704 is slidably installed in the circular hole, the clamping assemblies 7 are symmetrically distributed about the vertical center line of the annular plate 602, and an anti-slip rubber block is provided on the inner wall of the arc clamping block 703; when the two second electric push rods 702 are started, the arc clamping block 703 is driven to clamp the drill bit 303, and then the first reduction motor 203 and the second reduction motor 207 are started respectively, driving the drill barrel assembly 3 to rotate in the opposite direction and move upward, so that the drilling barrel 301 is separated from the drill bit 303, and the drill bit 303 can be quickly disassembled, thereby improving the convenience of using the drilling equipment.

[0052] The use method of the present invention: The drilling equipment for geotechnical exploration with easy drill bit disassembly, when in use, has the following working process:

[0053] like Figures 1 to 9As shown, first, the drilling equipment is moved to the use site by pushing the handle 102 and the universal wheel at the bottom of the U-shaped bottom plate 101, and then the two first electric push rods 103 are started to drive the support plate 104 to move downward, and the plurality of cone rods at the bottom of the support plate 104 are inserted into the ground. When the support plate 104 moves downward, the rack 106 is driven to move downward, and the rack 106 drives the third bevel gear 503, the rotating rod 502, the L-shaped mounting plate 504 and the brush plate 505 to rotate 90° clockwise through the spur gear 507, the connecting rod 506 and the fourth bevel gear 508. Then, the electric push rod is started to drive the hexagonal rod and the second bevel gear 406 to move, so that the second bevel gear 406 is meshed with the first bevel gear 205, and then the first reduction motor 203 is started. The first reduction motor 203 drives the threaded rod 204 and the first bevel gear 205 to rotate, and the threaded rod 204 moves downward through the moving plate 206, the second reduction motor 207, the external thread block 208 and the drill barrel assembly 3 when the threaded rod 204 rotates. The second reduction motor 207 drives the external thread block 208 and the drill barrel assembly 3 to rotate to perform drilling work. At the same time, the first bevel gear 205 drives the impeller in the pump housing 403 to rotate through the second bevel gear 406, the telescopic rod 405 and the speed increaser 404, pumping the water in the liquid storage tank 402 so that the water enters the spray ring 603 through the pipeline, and then the water is sprayed out through several nozzles at the bottom of the spray ring 603 to reduce dust. When the drilling is completed, the electric push rod is started to drive the hexagonal rod and the second conical The gear 406 moves, so that the second bevel gear 406 is separated from the first bevel gear 205, and then the symmetrically distributed electric push rods are started to drive the corresponding hexagonal rods and the second bevel gear 406 to move, so that the corresponding second bevel gear 406 is meshed with the first bevel gear 205, and then the two first electric push rods 103 are started to drive the support plate 104 to move upward, and the rack 106 moves upward through the spur gear 507, the connecting rod 506 and the fourth bevel gear 508 to drive the third bevel gear 503, the rotating rod 502, the L-shaped mounting plate 504 and the brush plate 505 to rotate counterclockwise by 90°, so that the brush plate 505 contacts the outer wall of the drill tube assembly 3, and then the first reduction motor 203 and the second reduction motor 207 are started to drive The drill barrel assembly 3 rotates and moves upward, and the first bevel gear 205 rotates through the symmetrically distributed second bevel gear 406, the telescopic rod 405 and the speed increaser 404 to drive the impeller in the pump housing 403 to rotate, pumping water from the liquid storage tank 402, and the water enters the spray head 407 through the pipeline, and then sprays out through the spray head 407, and the water is sprayed to the outer wall of the drill barrel assembly 3, and the brush plate 505 cleans the outer wall of the drill barrel assembly 3. When the drill barrel assembly 3 moves up to the highest point, the first reduction motor 203 and the second reduction motor 207 are stopped, and then the two first electric push rods 103 are started, driving the support plate 104 to move slightly downward, so that the brush plate 505 is separated from the outer wall of the drill barrel assembly 3. When the drill bit 303 needs to be removed, the two second electric push rods 702 are started.The corresponding arc-shaped clamp block 703 is driven to clamp the drill bit 303, and then the first reduction motor 203 and the second reduction motor 207 are started to drive the drill barrel assembly 3 to rotate in the opposite direction and move upward, so that the drilling barrel 301 is separated from the drill bit 303.

[0054] 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 according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A drilling device for geotechnical investigation with a drill bit that is easy to disassemble, comprising a mobile assembly (1), characterized in that: An adjusting component (2), a spraying component (4), a cleaning component (5) and a dust removal component (6) are installed on the top of the moving component (1); a drill tube component (3) is installed on the inner wall of the adjusting component (2); and a clamping component (7) is installed on the top of the dust removal component (6); The spray assembly (4) comprises a support frame (401), a liquid storage tank (402), a pump housing (403) and a speed increaser (404); a telescopic rod (405) is installed at the input end of the speed increaser (404); a second bevel gear (406) is installed on one side of the telescopic rod (405); and a liquid spray head (407) is installed at the top of the support frame (401); The cleaning assembly (5) comprises a fixed block (501) and a rotating rod (502); a third bevel gear (503) and an L-shaped mounting plate (504) are sequentially mounted on the outer wall of the rotating rod (502) from top to bottom; a brush plate (505) is mounted on the front end of the L-shaped mounting plate (504); a connecting rod (506) is rotatably mounted through the rear end of the fixed block (501); and a spur gear (507) and a fourth bevel gear (508) are sequentially mounted on the outer wall of the connecting rod (506) from back to front.

2. The drilling equipment for geotechnical exploration with easy drill bit disassembly according to claim 1, characterized in that: The moving assembly (1) comprises a U-shaped bottom plate (101), a pushing handle (102) is installed on the top of the U-shaped bottom plate (101), a first electric push rod (103) is installed through the top of the U-shaped bottom plate (101), a support plate (104) is installed at the bottom of the first electric push rod (103), a first slide bar (105) is installed on the top of the support plate (104), the first electric push rod (103), the support plate (104) and the first slide bar (105) are symmetrically distributed about the vertical center line of the U-shaped bottom plate (101), a rack (106) is installed on the top of the support plate (104), and universal wheels are provided at the four corners of the bottom of the U-shaped bottom plate (101).

3. The drilling equipment for geotechnical exploration with easy drill bit disassembly according to claim 2, characterized in that: The top of the U-shaped bottom plate (101) is provided with a circular hole whose internal dimension structure is consistent with the external dimension structure of the first sliding rod (105), and the first sliding rod (105) is slidably installed in the circular hole, and the bottom of the support plate (104) is provided with a plurality of cone rods evenly and equidistantly distributed.

4. The drilling equipment for geotechnical exploration with easy drill bit disassembly according to claim 2, characterized in that: The adjustment assembly (2) comprises a U-shaped frame (201) mounted on the top of the U-shaped bottom plate (101); a second sliding rod (202) is mounted on the top of the inner wall of the U-shaped frame (201); a first reduction motor (203) is mounted on the top of the U-shaped frame (201); a threaded rod (204) is mounted on the output end of the first reduction motor (203); a first bevel gear (205) is mounted on the outer wall of the threaded rod (204); and a moving plate (206) is threadedly mounted on the outer wall of the threaded rod (204). A second reduction motor (207) is installed on the top of the movable plate (206), an external thread block (208) is installed on the output end of the second reduction motor (207), a first mounting block (209) is installed on the outer wall of the external thread block (208) and near the top, a circular hole is opened on the top of the movable plate (206), and the second slide bar (202) is slidably installed in the circular hole, and the U-shaped frame (201) and the second slide bar (202) are symmetrically distributed about the vertical center line of the movable plate (206).

5. The drilling equipment for geotechnical investigation with easy drill bit disassembly according to claim 3, characterized in that: The drill barrel assembly (3) comprises a drill barrel (301) threadedly mounted on the outer wall of an external thread block (208); a second mounting block (302) is mounted on the outer wall of the drill barrel (301) near the top, and the second mounting blocks (302) are symmetrically distributed about the vertical center line of the drill barrel (301); screw holes are provided on the tops of the first mounting block (209) and the second mounting block (302); and a drill bit (303) is threadedly mounted on the inner wall of the drill barrel (301) near the bottom.

6. The drilling equipment for geotechnical investigation with easy drill bit disassembly according to claim 3, characterized in that: The support frame (401), the liquid storage tank (402), the pump housing (403) and the speed increaser (404) are all installed on the top of the U-shaped bottom plate (101); an impeller is provided at the output end of the speed increaser (404); a liquid inlet end of the pump housing (403) is connected to the liquid storage tank (402) through a pipeline; the second bevel gear (406) is installed in meshing engagement with the first bevel gear (205); the pump housing (403), the speed increaser (404), the telescopic rod (405) and the second bevel gear (406) are symmetrically distributed about the vertical center line of the first bevel gear (205); the liquid inlet end of the symmetrically distributed pump housing (403) is connected to the liquid storage tank (402) through a pipeline, and the liquid outlet end is connected to the liquid spray head (407) through an electric valve and a pipeline.

7. The drilling equipment for geotechnical investigation with easy drill bit disassembly according to claim 6, characterized in that: The telescopic rod (405) consists of a hexagonal tube, an electric push rod and a hexagonal rod assembly. The hexagonal rod is slidably mounted on the inner wall of the hexagonal tube, the electric push rod is mounted on one side of the inner wall of the hexagonal tube, and one side of the electric push rod is connected to the hexagonal rod.

8. The drilling equipment for geotechnical exploration with easy drill bit disassembly according to claim 2, characterized in that: The fixed block (501) is installed on the top of the U-shaped bottom plate (101), the rotating rod (502) is rotatably installed on the top of the U-shaped bottom plate (101), the third bevel gear (503) is meshed with the fourth bevel gear (508), and the spur gear (507) is meshed with the rack (106).

9. The drilling equipment for geotechnical exploration with easy drill bit disassembly according to claim 2, characterized in that: The dust removal assembly (6) comprises an L-shaped fixing plate (601) installed on the top of the U-shaped bottom plate (101), an annular plate (602) is installed on one side of the L-shaped fixing plate (601), a spray ring (603) is installed at the bottom of the annular plate (602), a plurality of spray heads are arranged at the bottom of the spray ring (603), and the plurality of spray heads are distributed in an annular shape with the vertical center line of the spray ring (603) as the origin, and the spray ring (603) is connected to the liquid outlet of the pump housing (403) through a pipeline and an electric valve.

10. The drilling equipment for geotechnical investigation with easy drill bit disassembly according to claim 9, characterized in that: The clamping assembly (7) includes a support block (701) installed on the top of the annular plate (602), a second electric push rod (702) is installed through the front end of the support block (701), an arc-shaped clamping block (703) is installed at the rear end of the second electric push rod (702), a third slide bar (704) is installed at the front end of the arc-shaped clamping block (703), a circular hole is opened at the front end of the arc-shaped clamping block (703), and the third slide bar (704) is slidably installed in the circular hole, the clamping assemblies (7) are symmetrically distributed about the vertical center line of the annular plate (602), and the inner wall of the arc-shaped clamping block (703) is provided with an anti-slip rubber block.

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