2906results about "Rotary drilling" patented technology

A soil layer detection drilling device includes a drilling cylinder, and a soil-sampling assembly is provided inside the drilling cylinder. When the soil is drilled, equipment is in a vertical state, a controller is turned on to control a rotary motor to rotate, and the drilling cylinder is driven to drill the soil with the cooperation of drive wheels and a drive belt. Four slide blocks are evenly distributed around an outer circumference of a sliding disk and are matingly connected with slide grooves provided on an inner wall of the drilling cylinder, so when the drilling cylinder rotates, the soil-sampling assembly also rotates. A conical head first in contact with the ground starts to drill the ground, then the drilling cylinder gradually drills into a soil layer, and the drilling cylinder is idled as the drilling cylinder arrives at a certain depth, to clear soil on auger blades.

The present invention belongs to the technical field of coal mine drilling rigs, and relates to an intelligent directional coal mine drilling rig and a drilling method thereof. The intelligent directional coal mine drilling rig comprises a moving platform, a frame, a clamping device, a main manipulator, a power head, a drill pipe storage system, a control system and a hydraulic system. The present invention improves the structure of a power head by providing an angle adjuster having accurate angle adjusting and anti-rotation locking functions on the side of a transmission away from a main motor, a driving shaft in the transmission connecting the main motor and the angle adjuster; in addition, the control system comprises a tool face angle measurement and initialization system. Therefore, by means of cooperation between the tool face angle measurement and initialization system and the angle adjuster, the present invention solves the problems that drilling rigs in the prior art lack special tool face angle adjusting devices and thus have low precision and efficiency in trajectory adjustment and have difficulty in achieving automatic directional drilling.

The present invention relates to a coal mine intelligent directional drill and its drilling method, belonging to the technical field of coal mine drills. It comprises a moving platform, machine frame, clamper, main manipulator, power head, drill pipe storage system, control system, and hydraulic system. The power head structure is improved by adding an angle adjuster with accurate angle adjustment, locking, and anti-rotation functions. The angle adjuster is positioned on the gearbox side opposite the main motor, connected via a driving shaft. The control system includes a toolface azimuth detection and initialization system that works with the angle adjuster. This solves prior issues such as the absence of specialized toolface azimuth adjustment devices, low precision, low track adjustment efficiency, and challenges in achieving automatic directional drilling in the prior art. The invention enhances precision and efficiency, enabling automated, intelligent directional drilling.

This invention relates a drill head (4) for use with a microtunneling apparatus (1) having a cutter bar (12) that is rotatable to produce swarf in a working zone. The drill head (4) includes a movable imaging device (46) that is adapted to capture images in the working zone (13). The imaging device (46) is adapted to move from a position within an annular shell (11) to a position external from the annular shell (11).

The invention discloses a rotary excavating pile construction method for a karst cave dense area capable of preventing water and soil loss. According to the real-time monitoring system, the sensor is installed on the drill bit, various data such as the drill bit position, the drilling speed and the hole wall stability in the drilling process are collected in real time, and real-time feedback is provided for construction. By means of the system, constructors can know the drilling state in time, drilling parameters are adjusted in real time through data analysis, and the drilling process is optimized. By means of real-time monitoring and adjusting, the construction efficiency is improved, risks caused by geological condition changes are greatly reduced, and the safety of the construction process and the drilling accuracy are guaranteed. According to the self-adaptive slurry injection system, the flow and pressure of slurry can be automatically adjusted according to real-time monitoring data, especially when a karst cave or an easily-collapsed hole section is encountered, the system can automatically increase the slurry injection amount so as to maintain the stability of a hole wall, the construction efficiency is improved, and the construction cost is reduced.

This invention relates to a reamer assembly (6) for enlarging a substantially horizontal pilot hole (14) in the ground to produce a bore hole (18), including a cutter (21) which is rotatable about an axis X-X. A gear box (20) is positioned on a first side of the cutter (21) for interacting with a drive shaft (33) which is rotated about the axis X-X by a drive apparatus (2) outside the pilot bore hole (14) and a body (15) positioned on a second side of the cutter (21) for transferring thrust from a thrust apparatus (4) outside of the enlarged bore hole (18) to the cutter (21).

An automated directional drilling machine for a coal mine, comprising: a moving platform (1), a rack (2), a clamping device (3), a main mechanical arm (4), a power head (5), a drill rod storage system (8), a control system (6), and a hydraulic system (7). By improving the structure of the power head (5), an angle adjustor (503) is arranged on the side of a transmission (502) away from a main motor (501), and a transmission shaft (50301) in the angle adjustor (503) is circumferentially and fixedly connected to a driving shaft (50201), so that accurate and efficient adjustment of a tool face angle is achieved by means of the angle adjustor (503) having the functions of accurate angle adjustment and locking to prevent rotation, and the structure of a rotation braking device of the main motor (501) is simplified.

This invention relates to a drill string (32) for use with micro tunnelling apparatus (1) having a cutter (21) at a distal end of the drill string (32) and external drive mechanism (2) at a proximal end of the drill string (32). The drill string (32) being formed by a plurality of connected string segments (13), each string segment (13) with a drive shaft (33) aligned along the central axis for rotation there about and an elongate casing (34) that houses the drive shaft (33). The front end of one string segment (13) is adapted to connect with the back end of another string segment (13) to form the drill string (32) by way of a latch connection, the latch connection being adjustable so as to vary the tolerance between said front end of one string segment (13) and said back end of another string segment (13) while connected.

Vibration in a drill string is damped with a damping system coupled to the drill string. The damping system includes a chamber, a gas and piston in the chamber, and a mass connected to the piston. The gas defines a spring having a spring coefficient that is dependent on a volume or temperature of the chamber. The damping system is tunable in real-time by varying the volume or temperature of the chamber. In alternatives with multiple chambers interconnected to one another via ports, chamber volume at the existing pressure can be varied by selective actuation of valves between the chambers or the pressure of the gas can be varied by compressing or expanding a connected bellows or by heating or cooling the temperature of the gas. The damping system can selectively damp both radial and torsional vibrations.

The invention belongs to the technical field of piling machinery, and relates to a pile driver for road and bridge construction and a using method thereof.The pile driver for road and bridge construction comprises a moving trolley and a pile driving frame installed at the end of the moving trolley, a high-pressure rotary power head is installed on the pile driving frame, and a drill rod assembly is installed on the high-pressure rotary power head; the drill rod assembly comprises a first drill rod assembly, a second drill rod assembly and a third drill rod assembly, and the first drill rod assembly comprises a first outer sleeve, a pressing guide pipe, a rotary drainage pipe and a first hollow pipe which are sleeved together from outside to inside. The advantages of rotary drilling rig equipment and drilling equipment special for hard rock stratums are combined, one piece of equipment can be conveniently used for conducting drilling construction operation mode switching, the technical problem that the same drilling equipment is used for completing two kinds of drilling construction operation in different stratum structures is effectively solved, the construction efficiency is improved, and the construction cost is reduced. And the construction cost is greatly reduced.

The invention relates to the technical field of mining machinery, in particular to a gold mine mining blasting automatic trepanning device and a trepanning method.The gold mine mining blasting automatic trepanning device comprises a base plate, the base plate is an assembly carrier of the drilling device and can be externally connected with an engineering vehicle or an engineering mechanical arm, a mounting frame is fixedly mounted on the base plate, and the mounting frame is a frame body with an opening in the top; the guide frame is fixedly arranged at the top of the mounting frame, and the guide frame is an annular frame body internally provided with a clamping groove; the gear ring is rotationally mounted in a clamping groove in the guide frame; and the rotating frame is fixedly arranged in the gear ring. By means of the spiral blades on the drill rod, fragments generated in the drilling process are synchronously pushed out, the situation that the fragments are accumulated near the drill bit to affect efficiency is prevented, meanwhile, cooling water is allowed to enter a drilling area through the arrangement of the flow guide through hole and the connecting pipe in the drill bit, the fragments are helped to be flushed out of the hole, and the drilling efficiency is further improved.

The invention discloses an anti-jamming coal mining drilling machine with drilling and multidirectional impacting functions and a using method thereof.The anti-jamming coal mining drilling machine comprises a drilling machine body, a high-pressure driving mechanism is arranged on the drilling machine body through a multidirectional guide rail mechanism, and a drilling assembly is connected with the high-pressure driving mechanism; when the drilling machine works, the high-pressure driving mechanism drives the drill rod and the drill bit to conduct rotary drilling, the high-frequency transverse vibration mechanism synchronously generates transverse high-frequency vibration, the high-pressure driving mechanism drives the drill rod and the drill bit to conduct rotary drilling, and the high-frequency transverse vibration mechanism drives the drill rod and the drill bit to conduct rotary drilling. The friction force between the drill bit and rock is reduced, debris accumulation is prevented, efficient deslagging is achieved, when hard rock or drill jamming occurs, the longitudinal vibration impact mechanism triggers longitudinal vibration, impact and drill jamming prevention functions are achieved through cooperative work of transverse vibration and longitudinal vibration, the drill jamming problem under the complex geological condition is effectively solved, the drilling efficiency and equipment reliability are improved, and the drilling cost is reduced. The device is suitable for drilling operation of mining roofs and baseplates, sides and the like.

The invention provides a geological exploration drilling device for geotechnical engineering and a using method thereof, and relates to the technical field of exploration drilling. The drilling device comprises a bottom table, an arched support, a guide support, a transverse shaft rotating table, a driving assembly, a clamping head, a Z-axis driving part, a drill rod, a sampling drill bit, a pipe storage frame, a pipe feeding tool and a clamping assembly. According to the geological exploration drilling device for geotechnical engineering, drilling work of large-depth holes can be completed by adopting the drill rod connected in a multi-section mode, the main body structure of the geological exploration drilling device for geotechnical engineering is small and convenient to move and use, and manpower and material resource cost can be saved when the geological exploration drilling device is applied to large-depth drilling work; in addition, the geological exploration drilling device for geotechnical engineering is provided with the transverse shaft rotating table and the pipe storage frame, the pipe storage frame is obliquely arranged to be in an L shape, a plurality of drill rods can be obliquely placed, the pipe storage frame is used in cooperation with the pipe feeding tool, the connection work of the multiple drill rods can be easily and efficiently completed, and the working intensity of large-depth drilling operation is further reduced.

The invention belongs to the field of rock-soil drilling equipment, and discloses a highway construction rock drilling sampling device which comprises a rack, a sampling device and a sampling device, the drill rod assembly is arranged on the rack and comprises an inner shaft rod and an outer sleeve rod, and the inner shaft rod is rotationally sleeved with the outer sleeve rod; the first driving mechanism at least drives the outer sleeve rod to rotate; and the drill bit assembly is connected with the drill rod assembly. Through the drill rod assembly and the drill bit assembly, a sampling component and a drilling component of the drill bit assembly are matched with a limiting tooth part through a movable ratchet assembly, state switching of the sampling component and the drilling component can be achieved, and when the drilling component is reversely screwed out after drilling, a movable tightening piece can be driven to move by rotating relative to the sampling component; and the movable tightening part of the sampling component can tighten and clamp the sample, so that the friction force in the sampling process can be increased, the sample is not easy to fall off, the structure is simpler, and the operation is easy.

A portal pile driver, and a cast-in-place pile construction method are provided, relating to the technical field of pile foundation construction. The portal pile driver includes a portal frame, a pile frame platform, a moving assembly, and a lifting assembly. The portal frame is erected at one side of the pile frame platform, and a power head is installed on the portal frame. A loading zone is located at the pile frame platform, and a projection of a central shaft of the power head on the pile frame platform is located in an extension direction of the loading zone. The moving assembly is located at one side or each of both sides of the loading zone, and multiple drill pipes are horizontally distributed on the moving assembly, and each drill pipe is perpendicular to a plane where the portal frame is located.

The invention discloses a hydraulic ring geological survey drilling rig which comprises a supporting seat and further comprises a drilling rod, a supporting barrel is vertically arranged in the supporting seat, the drilling rod is arranged in the supporting barrel in a sliding mode, a rotating rod is arranged in the drilling rod, and a hydraulic ring is arranged in the rotating rod. A spiral blade used for conveying soil is arranged outside the rotating rod, a drill bit is arranged at the bottom of the drill rod, the bottom end of the rotating rod is connected with the drill bit, a connecting pipe is arranged in the fixing cylinder, a first fixing groove is formed in the top of the drill rod, and a plurality of detachable connecting pipes are arranged on the drill rod. The drill rod can be lengthened according to the drilling depth, the transmission mechanism drives the transmission rod and the rotating rod to rotate, the rotating rod drills soil by driving the drill bit to rotate, the rotating rod and the transmission rod convey the soil by driving the spiral blades to rotate, and soil collection is simpler.

A system and method for stall recovery of mud motors may be implemented in a steering control system. The stall recovery system and method may involve automatic detection of a stall of a mud motor during drilling controlled by the steering control system, and may respond to the stall in a rapid and controlled manner to avoid or minimize damage to the mud motor, such as by immediately reducing mud pressure and stopping rotary drilling, if used, faster than a typical human operator could perform. The stall recovery system and method may further take actions to automatically restart drilling.

The invention relates to the technical field of road thickness detection, in particular to a road thickness detection coring device which comprises a rack, a coring barrel, a driving assembly, a propelling assembly and a traction assembly are arranged on the rack, the driving assembly drives the coring barrel to rotate, the propelling assembly pushes the coring barrel to move up and down, and the traction assembly drives the coring barrel to move up and down. The traction assembly can enable the coring barrel to be stressed more evenly, fluctuation of the coring barrel in the sampling process is reduced, the sampling accuracy is improved, meanwhile, the service life of the coring barrel can be prolonged, a scraping block is arranged on the side wall of the coring barrel, and therefore the coring barrel can be scraped more conveniently. The side wall of a hole drilled by the coring barrel can be scraped into a wave shape by the scraping block in the sampling process of the coring barrel, so that when the hole is filled, the filler can be supported by the wave-shaped side wall, and the probability that the filler in the hole settles is reduced.

The invention belongs to the technical field of tunnel engineering, and particularly relates to drilling equipment for tunnel engineering construction, which comprises a drill rod, a driving part and a feeding part, the driving part and the feeding part are connected with the drill rod, and a dustproof deslagging unit is further arranged on the drill rod and comprises a blocking cover, a sleeve, a transmission structure and a shifting plate. The blocking cover is of a hemispherical groove structure, and a discharging opening is formed in the side wall of the blocking cover; one end of the sleeve is inserted into the bottom wall of the anti-blocking cover, the sleeve and the anti-blocking cover are rotationally connected, and the drill rod is inserted into the sleeve in a penetrating mode; the transmission structure is arranged between the inner wall of the sleeve and the side wall of the drill rod. The transmission assembly is used for driving the sleeve to rotate in the feeding process of the drill rod. And the shifting plate is fixedly connected with the sleeve and is used for rotating in the anti-blocking cover under the driving of the sleeve. According to the device, dust and disintegrating slag generated in the drilling process of the drill rod can be collected and continuously discharged, accumulation of the dust and the disintegrating slag is effectively avoided, and the protection performance of the drill rod is improved.

A system and method for stall recovery of mud motors may be implemented in a steering control system. The stall recovery system and method may involve automatic detection of a stall of a mud motor during drilling controlled by the steering control system, and may respond to the stall in a rapid and controlled manner to avoid or minimize damage to the mud motor, such as by immediately reducing mud pressure and stopping rotary drilling, if used, faster than a typical human operator could perform. The stall recovery system and method may further take actions to automatically restart drilling.

The invention relates to the technical field of cast-in-place pile construction, in particular to a cast-in-place pile drilling device for a pump station and a construction technology, and the cast-in-place pile drilling device comprises a drilling mechanism, a slurry recycling mechanism, a supporting mechanism and a tamping mechanism. According to the device, when the sliding plate descends, the first one-way rotating plate is driven to descend together, clay between the sliding plate and the soil discharging shell can be scraped and pushed to the position below the drilling barrel through the first one-way rotating plate, when the clay is discharged into the bottom of a hole, external air can be discharged into the space between a drill bit and the bottom of the hole together, and therefore the negative pressure strength can be reduced; a sliding plate continues to press downwards, clay can be compacted layer by layer through a compacting plate, when the sliding plate ascends, blocking is conducted through a second one-way rotating plate, and therefore the situation that the soil is backfilled into a soil discharging shell can be prevented, clay backfilling and tamping can be conducted on the collapsed hole wall at the first time, the collapse area is prevented from being increased, and the construction efficiency is improved. Emergency treatment can be carried out when hole wall collapse and hole wall hole shrinkage occur through the tamping mechanism, and it is guaranteed that follow-up drilling construction is recovered as soon as possible.

The invention relates to the field of geological exploration, in particular to a mineral geological exploration device and a using method thereof.The mineral geological exploration device comprises a supporting frame, the side wall of the supporting frame is movably connected with a supporting seat, the middle of the supporting seat is rotationally connected with a drilling rod, and the side wall of the supporting seat is fixedly connected with a drilling motor; a synchronous belt is movably connected between the movable end of the drilling motor and the upper portion of the drilling rod, an adjusting rod is vertically and movably connected to the middle of the drilling rod, three movable bins are formed in the drilling rod at equal intervals, and three sampling mechanisms are movably connected to the surface of the adjusting rod at equal intervals. The mineral geological exploration device is composed of a sampling mechanism and an isolation mechanism. The adjusting rod is rotated to move downwards in cooperation with the isolation mechanism, two arc-shaped partition plates on the adjusting mechanism move oppositely and drive a scraping strip to scrape and sweep the inner wall of a drill hole, soil falling from the upper portion of the drill hole is scraped away, the situation that soil at different depth positions of the inner wall of the drill hole is mixed together is reduced, and the exploration sampling quality is improved.

The invention relates to the technical field of hydraulic systems, and discloses a directional drilling hydraulic system of a kilometer directional drilling machine, which comprises a hydraulic pump station, a walking unit, a drilling main unit, a drilling auxiliary unit and a stabilizing unit, the hydraulic pump station is connected with the walking unit, the drilling main unit, the drilling auxiliary unit and the stabilizing unit; the main pump assembly and the auxiliary pump assembly do not influence each other and run independently relatively, so that two systems for providing hydraulic power by the main pump assembly and the auxiliary pump assembly work simultaneously but do not interfere with each other, the stability and reliability of the systems are ensured, the operation steps of the directional drilling machine are simplified, the construction safety of the drilling machine is improved, and the failure rate of the hydraulic system of the drilling machine is reduced. The main pump assembly and the auxiliary pump assembly work independently, the main pump assembly provides hydraulic power for the walking unit and the drilling main unit, the auxiliary pump assembly provides hydraulic power for the drilling auxiliary unit and the stabilizing unit, drilling machine faults caused by misoperation are reduced, the construction safety of the drilling machine is improved, and the drilling efficiency of the drilling machine is effectively improved.

The invention provides a geological exploration sampling method and sampling equipment based on vibration drilling and obstacle recognition, and belongs to the technical field of geological exploration. The geological exploration sampling method comprises the following steps: 1, starting drilling; 2, switching a vibration mode; 3, obstacle recognition; 4, grouting assistance; and 5, recovering drilling and completing sampling. According to the geological exploration sampling method, the adaptability to complex stratums can be improved by switching the rotary drilling mode and the vibration drilling mode, a multi-sensor module is adopted in the obstacle recognition step, and pressure, sound waves and vibration signals are collected in real time, so that the obstacle type is accurately judged, and a basis is provided for subsequent drilling mode adjustment. In the grouting assisting step, grouting equipment is adopted to inject grout into an obstacle area from grouting micropores in the front end of a drill bit through a grouting channel so as to effectively weaken an obstacle structure. By means of the method, efficient drilling and sampling operation under the complex stratum condition can be achieved, the drilling tool jamming risk is reduced, adaptability is high, and efficiency is high.

The invention discloses a drilling device for geological mineral exploration, and relates to the technical field of geological exploration, and the drilling device comprises a supporting and bearing device which is fixed on the ground where a target position is located; the rotating device is rotationally arranged on the supporting and bearing device; the positioning and adjusting device is fixed on the rotating device and is positioned above the supporting and bearing device; the lifting adjusting device is fixed to the rotating device and located on the outer side of the positioning adjusting device; the driving assembly is arranged on the lifting adjusting device in a sliding mode and located above the positioning adjusting device; the conveying device is fixed on the side part of the rotating device; and the drilling assembly is arranged in the middle of the positioning adjusting device in a sliding mode and connected with the bottom of the driving assembly, and the drilling assembly is rotationally connected with the positioning adjusting device. The drilling rod is limited in the drilling process, so that the drilling assembly performs drilling according to the set direction, and directional drilling can be performed by selecting a proper angle according to requirements.

The invention discloses an embedding device for a pore pressure sensor, and relates to the technical field of pore pressure sensor embedding, the embedding device comprises a drill hole cleaning mechanism and a first mounting ring mounted at the bottom of the drill hole cleaning mechanism, a cleaning mounting mechanism is arranged on the outer side of the drill hole cleaning mechanism, and a lifting support is arranged at the top of the cleaning mounting mechanism; the drilling cleaning mechanism comprises a fixing ring, first rotating supports are symmetrically installed on one side of the top of the fixing ring, first rotating motors are fixedly installed on the outer sides of the first rotating supports, and the output ends of the first rotating motors are fixedly connected with first rotating worms. A conveying motor is started to drive a conveying rotating rod and a conveying spiral blade to rotate, soil and stone generated by drilling are conveyed into a collecting box by utilizing the structural characteristics of the conveying spiral blade, a cleaning scraper is driven by a drilling conveying cylinder to rotate, and the conveyed soil and stone can be collected and discharged through a blow-down valve.

The invention discloses a drilling device and method for municipal road engineering detection, the drilling device comprises a rack, a motor and a screw rod, the screw rod is driven by a driver to rotate, the outer surface of the screw rod is rotatably connected with a lifting plate, the top of the lifting plate is slidably connected with a supporting rod, the bottom end of the supporting rod is fixedly connected with a bearing plate, and the bearing plate is fixedly connected with the motor. The bottom of the bearing plate is fixedly connected with the rack, and the position, close to the bearing plate, of the rack is fixedly connected with a cleaning assembly. According to the drilling device and method for municipal road engineering detection, a lifting plate conveniently moves in the vertical direction to drive a motor to move, the situation that a drilling assembly 5 is clamped in a drilled hole and damaged due to deviation during drilling is avoided, a rack is fixed through a locking assembly when a screw rod rotates, and the drilling efficiency is improved. And the situation that the rack is driven to move due to shaking generated by drilling is avoided, then the precision of drilling work is guaranteed, the drilling efficiency of the equipment is further improved, and drilling work is conducted on different positions of the ground.

The invention discloses an anti-seismic construction device for an ultrahigh-strength concrete pipe pile. The anti-seismic construction device comprises a supporting frame mechanism, a pile grooving mechanism and a pipe pile sinking mechanism. The support frame mechanism comprises a bottom support frame, a vertical support steel plate and a top steel plate; the pile grooving mechanism comprises a grooving rod assembly, a rod rotating assembly, a mounting assembly of the rod rotating assembly and a lifting assembly. The pipe pile sinking mechanism comprises an impact block, a block movable limiting rod and an impact block hoisting assembly. The construction method comprises the following steps that 1, firstly, the pile grooving mechanism is used for deeply digging and grooving; 2, sinking the pipe pile section by section by using a pipe pile sinking mechanism, and impacting to sink; 3, a reinforcement cage is arranged below, concrete grout is injected, and solidification is waited; soil is extruded into the soil retaining barrel, the soil is convenient to pull out, deep excavation is not prone to deviation, the tubular pile can permeate concrete to the outside, the multiple protrusions are formed on the outer wall of the tubular pile, friction between the tubular pile and the soil is easily increased, and the tubular pile is not prone to falling down.

The present invention relates to a hydraulic rotary drilling machine and a control method thereof, belonging to the technical field of mechanical equipment, including a platform frame, a plurality of cutting head assemblies are arranged at the lower end of the platform frame, a reducer is arranged between the cutting head assembly and the platform frame and is connected to the cutting head assembly by spline shaft nesting transmission, a pair of scraper frames which are distributed in a mirror-symmetrical manner on the left and right and are bolted to the lower end of the platform frame are arranged at the rear end of the cutting head assembly, and a grab bucket assembly which is movably inserted and sleeved with the platform frame is arranged at the upper end of the platform frame. It has the characteristics of compact structure, convenient disassembly, good operation stability and long service life. It solves the problem that a base cannot be built on a mountain. It improves the stability of drilling operation, reduces shaking caused by high-speed operation, and avoids jamming and drill back phenomena.

The present invention discloses a mining blasting drilling device, which comprises a frame, a drilling machine top, a positioning frame, and a slide. A retractable cabin is installed on the frame, a pulling rope is led downward from the side bottom of the retractable cabin, a retractable shaft is installed in the retractable cabin, and the retractable shaft rotates to control the length of the pulling rope led to the outside of the retractable cabin. A driving cabin is installed at the bottom of the drilling machine top, and a lifting seat is installed in the driving cabin. A positioning plate is hingedly installed at the end of the positioning frame. The lifting seat descends and pushes the positioning frame to rotate outward, so as to drive the positioning plate to move outward and fit against the inner wall of the drilled hole. The lifting drive assembly can push the slide and drill rod downward and cooperate with the rotation of the drill rod to complete downward drilling. In the present invention, the pulling rope is gradually retracted and extended, so that the drilling structure penetrates deep into the hole. The entire hole is drilled through multiple descents and drillings. The depth of the drilling is not limited by the length of the drill rod, and the drilling depth can be directly controlled by the pulling rope, thereby improving the efficiency of the entire drilling process.