A drilling device and drilling method for geotechnical engineering exploration

Abstract

This invention discloses a drilling device and method for geotechnical engineering exploration. The drilling device includes a drilling assembly, a transmission assembly, and a scraping assembly. By moving the device to a suitable position, a drive motor drives a threaded rod to rotate. With the help of a threaded cylinder, a support rod, and a guide, the lifting plate can descend at a uniform speed. Under the drive of the drive motor, the drilling rod can rotate, and with the help of the drill bit, drilling operations can be performed on the rock and soil surface. During the descent of the lifting plate, the fixed rack and pinion drive gear set structure can operate, and the movable plate in the scraping assembly can be driven to move inside the mounting frame through the connecting piece. Thus, the soil and rock fragments generated during drilling can be transferred from the edge of the hole to the outside through the scraper. This reciprocating motion can quickly process the accumulated soil and rock fragments during the drilling process.

Description

Technical Field

[0001] This invention relates to the field of geotechnical engineering investigation technology, and in particular to a geotechnical engineering investigation drilling device and drilling method. Background Technology

[0002] Modern geotechnical engineering addresses problems related to rock and soil masses, including foundations, slopes, and underground engineering. Drilling is often necessary during geotechnical investigations to obtain geological information. Drilling equipment is an indispensable tool in geotechnical engineering investigations, used to break up rock masses and observe their internal structure for further exploration.

[0003] When existing drilling equipment drills into soil and rock, the soil and rock fragments produced during drilling accumulate around the borehole. To prevent the soil or rock fragments from clogging the borehole, workers need to clean and remove them. However, it is not convenient to perform this cleaning operation during the operation of the drilling equipment, which leads to low working efficiency of the geotechnical engineering exploration drilling equipment. Summary of the Invention

[0004] To address the shortcomings of the existing technology, this invention provides a geotechnical engineering exploration drilling device and drilling method. This invention can promptly remove and transfer soil and rock fragments during the drilling process, preventing soil or rock fragments from clogging the drill hole, thereby improving the working efficiency of the geotechnical engineering exploration drilling device and reducing labor intensity.

[0005] The technical solution provided by this invention is: a drilling device for geotechnical engineering exploration, comprising a drilling assembly, a transmission assembly, and a scraping assembly;

[0006] The drilling assembly includes a mounting plate, with support legs fixedly connected to the four bottom corners of the mounting plate. Four guide members are symmetrically arranged at the four top corners of the mounting plate, and a lifting plate is arranged between the four guide members. A drive motor is fixedly installed on the top of the lifting plate, and a threaded rod is fixedly installed on the output end of the drive motor. A drilling rod is fixedly connected to the bottom of the threaded rod. A clearance hole is opened in the middle of the mounting plate, and the drilling rod is arranged inside the clearance hole.

[0007] The transmission assembly includes four mounting boxes fixedly connected to the top of the mounting plate. Each mounting box is equipped with a gear set structure. Four fixing rods are symmetrically arranged at the bottom of the lifting plate. A fixing rack is fixedly connected to the bottom of each fixing rod. The lower end of the fixing rack passes through the mounting box and is connected to the gear set structure.

[0008] The scraping assembly includes a mounting rod fixedly connected to the bottom of a mounting plate. A mounting frame is fixedly connected to the bottom of the mounting rod. A movable plate is movably arranged inside the mounting frame. A hinge is provided on the top of the movable plate. A hinge plate is hinged to one end of the hinge. A through rod is fixedly connected to the bottom of the end of the hinge plate away from the hinge. A scraper is fixedly connected to the bottom of the through rod. The scraper is provided with a scraping structure.

[0009] Furthermore, the guide component includes a guide rod fixedly connected to the top of the mounting plate, a guide sleeve slidably connected to the surface of the guide rod, a connecting rod fixedly connected between the guide sleeve and the lifting plate, and four guide rods evenly arranged at the top four corners of the mounting plate; a limit plate is fixedly connected to the top of the guide rod.

[0010] Furthermore, a threaded cylinder is threadedly connected to the lower end of the threaded rod surface, a support rod is fixedly connected between the threaded cylinder and the mounting box, and a drill bit is fixedly connected to the bottom of the drilling rod.

[0011] Furthermore, the gear set structure includes a first rotating shaft rotatably connected to the upper inner side of the mounting box, a first gear fixedly connected to the surface of the first rotating shaft, and a fixed rack meshing with the first gear. A second rotating shaft is rotatably connected to the middle inner side of the mounting box, a second gear fixedly connected to the surface of the second rotating shaft, and the first gear meshing with the second gear. A third rotating shaft is rotatably connected to the lower inner side of the mounting box, a third gear fixedly connected to the surface of the third rotating shaft, and the second gear meshing with the third gear. An eccentric wheel is also fixedly connected to the surface of the third rotating shaft, and a connecting member is provided between the eccentric wheel and the movable plate.

[0012] The thickness ratio of the first gear to the second and third gears is 2:1:1, the thickness ratio of the first gear of the fixed rack is 1:3, and the diameter ratio of the first gear to the second and third gears is 1:2:1.

[0013] Furthermore, the connector includes a mounting shaft fixedly connected to the surface of the eccentric wheel, a hinge rod hinged to the surface of the mounting shaft, a fixing block fixedly connected to one top end of the movable plate, a fixing shaft fixedly connected to one side of the fixing block, and the end of the hinge rod away from the mounting shaft hinged to the fixing shaft.

[0014] Furthermore, the top of the movable plate is provided with a cylindrical groove, and a reset component is provided inside the cylindrical groove. The reset component is connected to the hinge plate. The end of the movable plate is provided with a rectangular groove, and the through rod passes through the rectangular groove and is fixedly connected to the scraper. The bottom of the hinge plate is provided with a sliding groove, and a sliding plate is slidably connected inside the sliding groove. The upper end of the reset component is connected to the sliding plate, and the top of the through rod is also connected to the sliding plate.

[0015] Furthermore, the reset component includes a fixed cylinder fixedly connected inside the cylindrical groove. A reset spring is fixedly installed on the bottom inner side of the fixed cylinder. A piston rod is fixedly connected to the top of the reset spring, and the lower end of the piston rod is slidably connected inside the fixed cylinder. The upper end of the piston rod is hinged to the bottom of the slide plate via a hinge. The top of the through rod is also hinged to the bottom of the slide plate via a hinge.

[0016] Furthermore, the scraping structure includes a drive rack fixedly connected to the rear end of the movable plate, a support frame fixedly connected to the rear end of the mounting frame, a transmission gear rotatably connected to the inner side of the support frame, a set of guide frames symmetrically arranged at the bottom of the mounting frame, a round rod slidably connected to the inner side of the guide frame, a moving block fixedly connected to the middle of the round rod, a driven rack fixedly connected to the rear end of the moving block, the drive rack meshing with the transmission gear, the driven rack meshing with the transmission gear, drive arms hinged to both ends of the round rod, and a scraping frame movably arranged on the surface of the scraper, with both sides of the scraping frame hinged to one end of the drive arm;

[0017] Both sides of the scraping frame are fixedly connected to movable sleeves, both sides of the mounting frame are fixedly connected to mounting blocks, the bottom of the mounting blocks is fixedly connected to movable rods, and the movable rods are slidably connected to the inside of the movable sleeves.

[0018] Furthermore, a set of guide grooves are symmetrically provided on the inner side of the mounting frame, and a set of guide blocks are symmetrically fixedly connected to both sides of the movable plate, with the guide blocks slidably connected inside the guide grooves.

[0019] Another technical solution provided by the present invention: a drilling method for a geotechnical engineering exploration drilling device, comprising the following steps;

[0020] S1. When drilling operations are required on soil and rock, move the device to a suitable position and fix the entire device with the support legs and related grounding structure. Start the drive motor to drive the threaded rod to rotate. With the help of the threaded cylinder, support rod and guide, the lifting plate can descend at a uniform speed. Under the drive of the drive motor, the drilling rod can rotate and the drill bit can be used to drill holes in the soil and rock surface.

[0021] S2. During the drilling process, the drill rod can discharge soil and rock fragments from the hole and accumulate around the drill hole. During the descent of the lifting plate, the fixed rack and pinion drive gear set structure can be turned, and the movable plate in the scraper assembly can be driven to move inside the mounting frame through the connecting parts. Thus, the soil and rock fragments generated by drilling can be transferred from the edge of the hole to the outside through the scraper.

[0022] S3. When the scraper moves to a certain extent, under the action of the eccentric wheel and the reset component, one end of the hinge plate can be lifted, thereby cooperating with the through rod to raise the scraper. At the same time as the scraper is raised, the movable plate will be reset to the position of the hole under the drive of the connecting component and the eccentric wheel. This can be repeated to quickly process the accumulated soil and rock fragments during the drilling process.

[0023] The beneficial effects of this invention are:

[0024] By moving the device to a suitable position, the drive motor rotates the threaded rod, which, in conjunction with the threaded cylinder, support rod, and guide component, allows the lifting plate to descend at a uniform speed. Driven by the drive motor, the drill rod rotates, allowing drilling operations on the rock and soil surface. During the descent of the lifting plate, the fixed rack and pinion drive gear set structure rotates, and through the connecting component, drives the movable plate in the scraper assembly to move inside the mounting frame. This allows the scraper to transfer the soil and rock fragments generated during drilling from the edge of the hole to the outside. Under the action of the eccentric wheel and reset component, one end of the hinge plate can be lifted, thereby raising the scraper in conjunction with the through rod. Simultaneously, the movable plate, driven by the connecting component and eccentric wheel, resets to the hole position. This reciprocating motion allows for the rapid processing of accumulated soil and rock fragments during drilling. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of the present invention.

[0026] Figure 2 This is a cross-sectional structural diagram of the present invention.

[0027] Figure 3 This is a schematic diagram of the drilling assembly of the present invention.

[0028] Figure 4 This is a perspective view of the gear set structure of the present invention.

[0029] Figure 5 This is a perspective view of the scraping assembly of the present invention in its first state.

[0030] Figure 6 This is a perspective view of the scraping assembly of the present invention in its second state.

[0031] Figure 7 This is a cross-sectional view of the scraping assembly of the present invention in its second state.

[0032] Figure 8 This is a perspective view of the scraping assembly of the present invention in its third state.

[0033] In the picture:

[0034] 100. Drilling assembly; 101. Mounting plate; 101a. Clearance hole; 102. Support leg; 103. Guide component; 103a. Guide rod; 103b. Guide sleeve; 103c. Limiting plate; 104. Connecting rod; 105. Lifting plate; 106. Drive motor; 107. Threaded rod; 108. Drill rod; 108a. Drill bit; 109. Support rod; 110. Threaded cylinder;

[0035] 200. Transmission assembly; 201. Fixed rod; 202. Fixed rack; 203. Mounting box; 204. Gear set structure; 204a. First rotating shaft; 204b. First gear; 204c. Second rotating shaft; 204d. Second gear; 204e. Third rotating shaft; 204f. Third gear; 204g. Eccentric wheel; 205. Connecting piece; 205a. Mounting shaft; 205b. Hinge rod; 205c. Fixed block; 205d. Fixed shaft;

[0036] 300. Scraper assembly; 301. Mounting rod; 302. Mounting frame; 302a. Guide groove; 302b. Guide frame; 303. Movable plate; 303a. Cylindrical groove; 303b. Rectangular groove; 303c. Guide block; 304. Hinge plate; 304a. Slide groove; 304b. Slide plate; 305. Scraper; 306. Hinge component; 307. Through rod; 308. Reset component; 30 8a. Fixed cylinder; 308b. Return spring; 308c. Piston rod; 309. Scraping structure; 309a. Drive rack; 309b. Support frame; 309c. Transmission gear; 309d. Driven rack; 309e. Moving block; 309f. Round rod; 309g. Drive arm; 309h. Scraping frame; 309i. Mounting block; 309j. Guide sleeve; 309k. Guide rod. Detailed Implementation

[0037] The present invention will be further described below with reference to specific embodiments. The accompanying drawings are for illustrative purposes only and are schematic diagrams, not actual pictures. They should not be construed as limiting the present invention. In order to better illustrate the specific embodiments of the present invention, some parts in the drawings may be omitted, enlarged or reduced, and do not represent the actual product size. It is understandable for those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings. Based on the specific embodiments of the present invention, all other specific embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0038] In the description of this invention, it should be noted that the terms "front," "rear," "upper," and "lower," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0039] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "connected," etc., should be interpreted broadly. For example, "connection" 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; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0040] Example 1

[0041] Reference Figure 1 , 2 3, 5 and 6 are the first embodiment of the present invention, which provides a geotechnical engineering exploration drilling device.

[0042] The drilling assembly 100 includes a mounting plate 101. Support legs 102 are fixedly connected to the four bottom corners of the mounting plate 101. Four guide members 103 are symmetrically arranged at the four top corners of the mounting plate 101. A lifting plate 105 is arranged between the four guide members 103. A drive motor 106 is fixedly mounted on the top of the lifting plate 105. A threaded rod 107 is fixedly mounted on the output end of the drive motor 106. A drilling rod 108 is fixedly connected to the bottom of the threaded rod 107. A clearance hole 101a is provided in the middle of the mounting plate 101, and the drilling rod 108 is located inside the clearance hole 101a. The transmission assembly 200 includes four mounting boxes 203 fixedly connected to the top of the mounting plate 101. Each mounting box 203 has a gear set structure 204 inside. The lifting plate 10... Four fixing rods 201 are symmetrically arranged at the bottom of the 5. The bottom of the fixing rods 201 is fixedly connected to a fixing rack 202. The lower end of the fixing rack 202 passes through the mounting box 203 and is connected to the gear set structure 204. The scraping assembly 300 includes a mounting rod 301 fixedly connected to the bottom of the mounting plate 101. The bottom of the mounting rod 301 is fixedly connected to a mounting frame 302. A movable plate 303 is movably arranged inside the mounting frame 302. A hinge 306 is arranged on the top of the movable plate 303. A hinge plate 304 is hinged to one end of the hinge 306. A through rod 307 is fixedly connected to the bottom of the end of the hinge plate 304 away from the hinge 306. A scraper 305 is fixedly connected to the bottom of the through rod 307. A scraping structure 309 is arranged on the scraper 305.

[0043] Specifically, by moving the device to a suitable position, the drive motor 106 drives the threaded rod 107 to rotate, which, in conjunction with the threaded cylinder 110, support rod 109, and guide member 103, allows the lifting plate 105 to descend at a uniform speed. Driven by the drive motor 106, the drill rod 108 can rotate, allowing drilling operations on the rock and soil surface in conjunction with the drill bit 108a. During the descent of the lifting plate 105, the fixed rack 202 drives the gear set structure 204 to rotate, and through the connecting member 205, drives the movable plate 30 in the scraper assembly 300. 3. The mounting frame 302 moves inside, so that the soil and rock fragments generated during drilling can be transferred from the edge of the hole to the outside through the scraper 305. Under the action of the eccentric wheel 204g and the reset member 308, one end of the hinge plate 304 can be lifted, so as to lift the scraper 305 in conjunction with the through rod 307. At the same time as the scraper 305 is lifted, the movable plate 303 will be reset to the position of the hole under the drive of the connector 205 and the eccentric wheel 204g. This can be repeated to quickly process the accumulated soil and rock fragments during drilling.

[0044] The guide component 103 includes a guide rod 103a fixedly connected to the top of the mounting plate 101. A guide sleeve 103b is slidably connected to the surface of the guide rod 103a. A connecting rod 104 is fixedly connected between the guide sleeve 103b and the lifting plate 105. The four guide rods 103a are evenly arranged at the top four corners of the mounting plate 101. A limit plate 103c is fixedly connected to the top of the guide rod 103a.

[0045] A threaded cylinder 110 is threadedly connected to the lower end of the surface of the threaded rod 107. A support rod 109 is fixedly connected between the threaded cylinder 110 and the mounting box 203. A drill bit 108a is fixedly connected to the bottom of the drilling rod 108.

[0046] Specifically, the drive motor 106 drives the threaded rod 107 to rotate inside the threaded cylinder 110, thereby causing the lifting plate 105 to rise or fall. When the lifting plate 105 moves up and down, the connecting rod 104 drives the guide sleeve 103b to slide on the surface of the guide rod 103a, thereby making the movement of the lifting plate 105 smoother. The height of the lifting plate 105 can be limited by the set limit plate 103c.

[0047] Example 2

[0048] Reference Figure 2 and 4 This is the second embodiment of the present invention, which is based on the previous embodiment.

[0049] The gear set structure 204 includes a first rotating shaft 204a rotatably connected to the upper inner side of the mounting box 203, a first gear 204b fixedly connected to the surface of the first rotating shaft 204a, a fixed rack 202 meshing with the first gear 204b, a second rotating shaft 204c rotatably connected to the middle inner side of the mounting box 203, a second gear 204d fixedly connected to the surface of the second rotating shaft 204c, the first gear 204b meshing with the second gear 204d, and a third rotating shaft 204e rotatably connected to the lower inner side of the mounting box 203. A third gear 204f is fixedly connected to the surface of the third rotating shaft 204e. The second gear 204d is meshed with the third gear 204f. An eccentric wheel 204g is also fixedly connected to the surface of the third rotating shaft 204e. A connecting piece 205 is provided between the eccentric wheel 204g and the movable plate 303. The thickness ratio of the first gear 204b to the second gear 204d and the third gear 204f is 2:1:1. The thickness ratio of the first gear 204b of the fixed rack 202 is 1:3. The diameter ratio of the first gear 204b to the second gear 204d and the third gear 204f is 1:2:1.

[0050] Specifically, by setting the thickness ratio of the first gear 204b to the second gear 204d and the third gear 204f to 2:1:1, the fixed rack 202 drives the first gear 204b to rotate without contacting the second gear 204d and the third gear 204f. The rotation of the first gear 204b can drive the second gear 204d to rotate, and the rotation of the second gear 204d can drive the third gear 204f to rotate, thereby driving the eccentric wheel 204g to rotate. The movable plate 303 is displaced through the connecting piece 205. Furthermore, the diameter ratio of the first gear 204b to the second gear 204d and the third gear 204f is 1:2:1, which can achieve the purpose of deceleration.

[0051] The connector 205 includes a mounting shaft 205a fixedly connected to the surface of the eccentric wheel 204g, a hinge rod 205b hinged to the surface of the mounting shaft 205a, a fixing block 205c fixedly connected to one end of the top of the movable plate 303, a fixing shaft 205d fixedly connected to one side of the fixing block 205c, and the end of the hinge rod 205b away from the mounting shaft 205a hinged to the fixing shaft 205d.

[0052] Specifically, the eccentric wheel 204g drives the mounting shaft 205a to rotate, and in conjunction with the hinge rod 205b, the movable plate 303 can move inside the mounting frame 302, thereby moving the scraper 305 left and right to achieve the purpose of scraping material.

[0053] Example 3

[0054] Reference Figure 1 , 2 5, 6 and 7 are the third embodiment of the present invention, which is based on the previous embodiment.

[0055] The top of the movable plate 303 is provided with a cylindrical groove 303a, and a reset member 308 is provided inside the cylindrical groove 303a. The reset member 308 is connected to the hinge plate 304. The end of the movable plate 303 is provided with a rectangular groove 303b, and the through rod 307 passes through the rectangular groove 303b and is fixedly connected to the scraper 305.

[0056] The bottom of the hinge plate 304 is provided with a sliding groove 304a, and a sliding plate 304b is slidably connected inside the sliding groove 304a. The upper end of the reset member 308 is connected to the sliding plate 304b, and the top of the through rod 307 is also connected to the sliding plate 304b.

[0057] The reset component 308 includes a fixed cylinder 308a fixedly connected inside the cylindrical groove 303a. A reset spring 308b is fixedly installed on the bottom inner side of the fixed cylinder 308a. A piston rod 308c is fixedly connected to the top of the reset spring 308b. The lower end of the piston rod 308c is slidably connected inside the fixed cylinder 308a. The upper end of the piston rod 308c is hinged to the bottom of the slide plate 304b. The top of the through rod 307 is also hinged to the bottom of the slide plate 304b.

[0058] A set of guide grooves 302a are symmetrically provided on the inner side of the mounting frame 302, and a set of guide blocks 303c are symmetrically fixedly connected to both sides of the movable plate 303. The guide blocks 303c are slidably connected inside the guide grooves 302a.

[0059] Specifically, the lower end of the eccentric wheel 204g presses against the hinge plate 304, causing the hinge plate 304 to adhere tightly to the top of the movable plate 303. This allows the scraper 305 to adhere to the ground. During the rotation of the eccentric wheel 204g, the movable plate 303 can be moved in conjunction with the connecting piece 205, thereby scraping away the soil and rock fragments with the scraper 305. This keeps the rock fragments and soil away from the outlet of the hole. Furthermore, no manual operation is required during the processing of rock fragments and soil. In addition, with the reset piece 308 and the lower end of the eccentric wheel 204g moving away from the hinge plate 304, one end of the hinge plate 304 is raised. This allows the sliding plate 304b to slide inside the groove 304a, preventing the scraper 305 and the reset piece 308 from getting stuck.

[0060] The scraping structure 309 includes a drive rack 309a fixedly connected to the rear end of the movable plate 303, a support frame 309b fixedly connected to the rear end of the mounting frame 302, a transmission gear 309c rotatably connected to the inner side of the support frame 309b, a set of guide frames 302b symmetrically arranged at the bottom of the mounting frame 302, a round rod 309f slidably connected to the inner side of the guide frame 302b, a moving block 309e fixedly connected to the middle of the round rod 309f, and a driven rack 309d fixedly connected to the rear end of the moving block 309e. The drive rack 309a and the transmission gear 309c are connected to the drive rack 309a and the drive gear 309b. c. The driven rack 309d is meshed with the transmission gear 309c. Both ends of the round rod 309f are hinged with drive arms 309g. The scraping frame 309h is movably provided on the surface of the scraper 305. Both sides of the scraping frame 309h are hinged to one end of the drive arm 309g. Both sides of the scraping frame 309h are fixedly connected with movable sleeves 309j. Both sides of the mounting frame 302 are fixedly connected with mounting blocks 309i. The bottom of the mounting block 309i is fixedly connected with a movable rod 309k. The movable rod 309k is slidably connected to the inside of the movable sleeve 309j.

[0061] Specifically, when the scraper 305 rises, the movable plate 303 moves to the rear end, causing the drive rack 309a to drive the transmission gear 309c to rotate. This causes the driven rack 309d to drive the moving block 309e to move to the front end. The round rod 309f slides inside the guide frame 302b, allowing the drive arm 309g to drive the scraping frame 309h to move downwards. During the downward movement of the scraping frame 309h, the movable rod 309k and the movable sleeve 309j can guide the scraping frame 309h, causing the scraping frame 309h to move in the opposite direction to the scraper 305. This allows the scraping frame 309h to scrape off the soil attached to the scraper 305, facilitating subsequent operations.

[0062] Furthermore, the present invention also provides a drilling method for a geotechnical engineering exploration drilling device, comprising the following steps:

[0063] S1. When drilling operations are required on the soil and rock, the device is moved to a suitable position and fixed as a whole with the support leg 102 and the relevant grounding structure. The drive motor 106 is started, which drives the threaded rod 107 to rotate. With the help of the threaded cylinder 110, the support rod 109 and the guide 103, the lifting plate 105 can be lowered at a uniform speed. Under the drive of the drive motor 106, the drilling rod 108 can be rotated, and with the help of the drill bit 108a, drilling operations can be performed on the soil and rock surface.

[0064] S2. During the drilling process, the drill rod 108 can discharge soil and rock fragments from the hole and accumulate them around the drill hole. During the descent of the lifting plate 105, the fixed rack 202 can drive the gear set structure 204 to operate, and drive the movable plate 303 in the scraper assembly 300 to move inside the mounting frame 302 through the connector 205. Thus, the soil and rock fragments generated by drilling can be transferred from the edge of the hole to the outside through the scraper 305.

[0065] S3. When the scraper 305 moves to a certain extent, under the action of the eccentric wheel 204g and the reset member 308, one end of the hinge plate 304 can be lifted, thereby cooperating with the through rod 307 to lift the scraper 305. At the same time as the scraper 305 is lifted, the movable plate 303 will be reset to the position of the hole under the drive of the connecting member 205 and the eccentric wheel 204g. This reciprocating action can quickly process the accumulated soil and rock fragments during the drilling process.

[0066] Working principle: When drilling operations are required in soil and rock, the device is moved to a suitable position and fixed in place with the support legs 102 and related grounding structures. The drive motor 106 is then activated, causing the threaded rod 107 to rotate. The drive motor 106 drives the threaded rod 107 to rotate inside the threaded cylinder 110, thereby causing the lifting plate 105 to rise or fall. During the lifting plate 105's movement, the connecting rod 104 drives the guide sleeve 103b to slide on the surface of the guide rod 103a, resulting in smoother movement of the lifting plate 105. The height of the lifting plate 105 is limited by the limiting plate 103c. During the descent of the lifting plate 105, the device is fixed in place. The fixed rack 202 drives the gear set structure 204 to operate. By setting the first gear 204b, the second gear 204d, and the third gear 204f with a thickness ratio of 2:1:1, the fixed rack 202, when driving the first gear 204b to rotate, will not contact the second gear 204d or the third gear 204f. The rotation of the first gear 204b can drive the rotation of the second gear 204d, and the rotation of the second gear 204d can drive the rotation of the third gear 204f, thereby driving the eccentric wheel 204g to rotate. This, along with the connecting piece 205, causes the movable plate 303 to shift. The eccentric wheel 204g drives the mounting shaft 205a to rotate. With the help of the hinge rod 205b, the movable plate 303 can be positioned within the mounting frame 302. The inner side of the eccentric wheel 204g moves, thereby moving the scraper 305 left and right to achieve the purpose of scraping material. The diameter ratio of the first gear 204b to the second gear 204d and the third gear 204f is 1:2:1, which can achieve the purpose of speed reduction. The lower end of the eccentric wheel 204g presses against the hinge plate 304, so that the hinge plate 304 is tightly attached to the top of the movable plate 303, thereby making the scraper 305 fit with the ground. During the rotation of the eccentric wheel 204g, the movable plate 303 can be moved in conjunction with the connecting piece 205, thereby scraping away the soil and rock fragments with the scraper 305, keeping the rock fragments and soil away from the outlet of the hole. In addition, no manual operation is required in the process of processing rock fragments and soil. With the lower end of the reset component 308 and the eccentric wheel 204g moving away from the hinge plate 304, one end of the hinge plate 304 is raised. This, combined with the sliding plate 304b sliding within the groove 304a, prevents the scraper 305 and the reset component 308 from jamming. Simultaneously, as the scraper 305 rises, the movable plate 303, driven by the connector 205 and the eccentric wheel 204g, resets to the position of the hole. This reciprocating motion allows for rapid processing of accumulated soil and rock fragments during drilling. Furthermore, as the scraper 305 rises, the movable plate 303 moves rearward, causing the drive rack 309a to drive the transmission gear 309c to rotate. This, in turn, causes the driven rack 309d to move the moving block 309e towards the front.By sliding the round rod 309f inside the guide frame 302b, the drive arm 309g can drive the scraping frame 309h to move downwards. During the downward movement of the scraping frame 309h, the movable rod 309k and the movable sleeve 309j guide the scraping frame 309h, causing it to move in the opposite direction to the scraper 305. This allows the scraping frame 309h to scrape off the dirt adhering to the scraper 305, facilitating subsequent operations.

[0067] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A geotechnical investigation drilling apparatus, characterized by: It includes a drilling assembly (100), a transmission assembly (200), and a scraper assembly (300); The drilling assembly (100) includes a mounting plate (101), with support legs (102) fixedly connected to the four bottom corners of the mounting plate (101). Four guide members (103) are symmetrically arranged at the four top corners of the mounting plate (101), and a lifting plate (105) is arranged between the four guide members (103). A drive motor (106) is fixedly installed on the top of the lifting plate (105), and a threaded rod (107) is fixedly installed at the output end of the drive motor (106). A drilling rod (108) is fixedly connected to the bottom of the threaded rod (107). A clearance hole (101a) is opened in the middle of the mounting plate (101), and the drilling rod (108) is located inside the clearance hole (101a). The transmission assembly (200) includes four mounting boxes (203) fixedly connected to the top of the mounting plate (101). Each mounting box (203) is equipped with a gear set structure (204). The bottom of the lifting plate (105) is symmetrically provided with four fixing rods (201). The bottom of each fixing rod (201) is fixedly connected with a fixing rack (202). The lower end of the fixing rack (202) passes through the mounting box (203) and is connected to the gear set structure (204). The scraping assembly (300) includes a mounting rod (301) fixedly connected to the bottom of the mounting plate (101), a mounting frame (302) fixedly connected to the bottom of the mounting rod (301), a movable plate (303) movably arranged inside the mounting frame (302), a hinge (306) provided at the top of the movable plate (303), a hinge plate (304) hinged to one end of the hinge (306), a through rod (307) fixedly connected to the bottom of the end of the hinge plate (304) away from the hinge (306), a scraper (305) fixedly connected to the bottom of the through rod (307), and a scraping structure (309) provided on the scraper (305). The top of the movable plate (303) is provided with a cylindrical groove (303a), and a reset member (308) is provided inside the cylindrical groove (303a). The reset member (308) is connected to the hinge plate (304). The end of the movable plate (303) is provided with a rectangular groove (303b). The through rod (307) passes through the rectangular groove (303b) and is fixedly connected to the scraper (305). The bottom of the hinge plate (304) is provided with a sliding groove (304a). A sliding plate (304b) is slidably connected inside the sliding groove (304a). The upper end of the reset member (308) is connected to the sliding plate (304b). The top of the through rod (307) is connected to the sliding plate (304b). The reset component (308) includes a fixed cylinder (308a) fixedly connected inside the cylindrical groove (303a). A reset spring (308b) is fixedly installed on the bottom inner side of the fixed cylinder (308a). A piston rod (308c) is fixedly connected to the top of the reset spring (308b). The lower end of the piston rod (308c) is slidably connected inside the fixed cylinder (308a). The upper end of the piston rod (308c) is hinged to the bottom of the slide plate (304b) by a hinge. The top of the through rod (307) is hinged to the bottom of the slide plate (304b) by a hinge.

2. The geotechnical investigation drilling device according to claim 1, characterized in that: The guide (103) includes a guide rod (103a) fixedly connected to the top of the mounting plate (101), a guide sleeve (103b) slidably connected to the surface of the guide rod (103a), a connecting rod (104) fixedly connected between the guide sleeve (103b) and the lifting plate (105), four guide rods (103a) are evenly arranged at the top four corners of the mounting plate (101), and a limit plate (103c) is fixedly connected to the top of the guide rod (103a).

3. The geotechnical investigation drilling device according to claim 1, characterized in that: The threaded rod (107) is threaded to the lower end of the surface of the threaded cylinder (110), and a support rod (109) is fixedly connected between the threaded cylinder (110) and the mounting box (203). A drill bit (108a) is fixedly connected to the bottom of the drilling rod (108).

4. The geotechnical investigation drilling device according to claim 3, characterized in that: The gear set structure (204) includes a first rotating shaft (204a) rotatably connected to the upper inner side of the mounting box (203), a first gear (204b) fixedly connected to the surface of the first rotating shaft (204a), a fixed rack (202) meshing with the first gear (204b), a second rotating shaft (204c) rotatably connected to the middle inner side of the mounting box (203), a second gear (204d) fixedly connected to the surface of the second rotating shaft (204c), and the first gear (204b)... The second gear (204d) meshes with the third gear (204f). The lower inner end of the mounting box (203) is rotatably connected to the third shaft (204e). The surface of the third shaft (204e) is fixedly connected to the third gear (204f). The second gear (204d) meshes with the third gear (204f). The surface of the third shaft (204e) is also fixedly connected to the eccentric wheel (204g). A connecting piece (205) is provided between the eccentric wheel (204g) and the movable plate (303). The thickness ratio of the first gear (204b) to the second gear (204d) and the third gear (204f) is 2:1:1, the thickness ratio of the fixed rack (202) to the first gear (204b) is 1:3, and the diameter ratio of the first gear (204b) to the second gear (204d) and the third gear (204f) is 1:2:

1.

5. The geotechnical engineering exploration drilling device according to claim 4, characterized in that: The connector (205) includes a mounting shaft (205a) fixedly connected to the surface of the eccentric wheel (204g), a hinge rod (205b) hinged to the surface of the mounting shaft (205a), a fixing block (205c) fixedly connected to one end of the top of the movable plate (303), a fixing shaft (205d) fixedly connected to one side of the fixing block (205c), and the end of the hinge rod (205b) away from the mounting shaft (205a) hinged to the fixing shaft (205d).

6. The geotechnical engineering exploration drilling device according to claim 4, characterized in that: The scraping structure (309) includes a drive rack (309a) fixedly connected to the rear end of the movable plate (303). A support frame (309b) is fixedly connected to the rear end of the mounting frame (302). A transmission gear (309c) is rotatably connected to the inner side of the support frame (309b). A set of guide frames (302b) are symmetrically arranged at the bottom of the mounting frame (302). A round rod (309f) is slidably connected to the inner side of the guide frame (302b). A moving block is fixedly connected to the middle of the round rod (309f). (309e), the rear end of the moving block (309e) is fixedly connected to a driven rack (309d), the driving rack (309a) is meshed with the transmission gear (309c), the driven rack (309d) is meshed with the transmission gear (309c), both ends of the round rod (309f) are hinged to driving arms (309g), and the surface of the scraper (305) is movably provided with a scraping frame (309h), the two sides of the scraping frame (309h) are hinged to one end of the driving arm (309g); Both sides of the scraping frame (309h) are fixedly connected to movable sleeves (309j), both sides of the mounting frame (302) are fixedly connected to mounting blocks (309i), the bottom of the mounting block (309i) is fixedly connected to a movable rod (309k), and the movable rod (309k) is slidably connected to the inside of the movable sleeve (309j).

7. The geotechnical engineering exploration drilling device according to claim 4, characterized in that: A set of guide grooves (302a) are symmetrically provided on the inner side of the mounting frame (302), and a set of guide blocks (303c) are symmetrically fixedly connected to both sides of the movable plate (303). The guide blocks (303c) are slidably connected inside the guide grooves (302a).

8. The drilling method of the geotechnical engineering exploration drilling apparatus according to any one of claims 4-7, characterized in that... Includes the following steps: S1. When drilling operations are required on the soil and rock, move the device to a suitable position and fix the device as a whole with the support leg (102) and related grounding structure. Start the drive motor (106) so that the drive motor (106) drives the threaded rod (107) to rotate. With the help of the threaded cylinder (110), support rod (109) and guide (103), the lifting plate (105) descends at a constant speed. Under the drive of the drive motor (106), the drill rod (108) can rotate. With the help of the drill bit (108a), drilling operations can be performed on the soil and rock surface. S2. During the drilling process, the drill rod (108) discharges soil and rock fragments from the hole and accumulates around the drill hole. As the lifting plate (105) descends, the fixed rack (202) drives the gear set structure (204) to operate, and drives the movable plate (303) in the scraper assembly (300) to move inside the mounting frame (302) through the connector (205). Thus, the soil and rock fragments generated by the drilling can be transferred from the edge of the hole to the outside through the scraper (305). S3. When the scraper (305) moves to a certain extent, under the action of the eccentric wheel (204g) and the reset component (308), one end of the hinge plate (304) is lifted, thereby cooperating with the through rod (307) to lift the scraper (305). At the same time as the scraper (305) is lifted, the movable plate (303) will be reset to the position of the hole under the drive of the connector (205) and the eccentric wheel (204g). This process is repeated to quickly process the accumulated soil and rock fragments during the drilling process.

Images