76 results about "Deep drilling" patented technology

The invention discloses a gold mine prediction method based on deep ground drilling data, and relates to the field of mineral resource exploration. The problems that a traditional method depends on artificial experience, ignores a multi-source geological element space coupling relation and lacks three-dimensional probability expression, so that prediction precision is insufficient are solved. Carrying out weight distribution calculation on each key mineralization factor by adopting the coupling strength coefficient, and carrying out comprehensive processing on numerical values of the plurality of mineralization factors through a weighted fusion algorithm to obtain a comprehensive mineralization index distribution diagram layer; based on the numerical value distribution characteristics of the three-dimensional mineralization index field, establishing a mineralization probability prediction model by adopting a Bayesian network algorithm, and if the mineralization index of a certain spatial position is higher than a critical value, calculating a gold ore occurrence probability numerical value of the position; and converting the gold ore occurrence probability value into a probability distribution body under a space coordinate system through a three-dimensional modeling algorithm, and performing rendering processing on the probability distribution body by adopting a volume rendering technology to obtain a three-dimensional visual model of the gold ore occurrence probability.

The application discloses a rock drilling and grouting equipment and method based on rock permeability, and particularly relates to the technical field of rock grouting, which comprises a drilling and grouting device, one end of the drilling and grouting device is provided with an auxiliary supporting device, the drilling and grouting device comprises a first cross frame, one end of the first cross frame is fixedly provided with a second cross frame, a first seat is vertically installed at the end of the first cross frame away from the second cross frame, and a second seat is vertically installed at the end of the second cross frame away from the first cross frame. The drilling and grouting device is arranged to automatically process deep drilling at the rock grouting position, and the grouting hole is immediately subjected to grouting operation. Meanwhile, the long drilling pipe slowly separates from the grouting hole during grouting, and the long drilling pipe always supports the grouting hole during the grouting operation, so that the collapse of the hole wall of some high-permeability rocks or the leakage of residues, which leads to the blockage of the hole or the early loss of the slurry, is prevented, and the effect and efficiency of the whole equipment on rock grouting are improved.

This invention relates to the field of drilling operation technology and discloses a stable deep-earth drilling system with strong pressure resistance. The system includes a support frame, a lifting frame slidably connected to the support frame, a top drive assembly mounted on the lifting frame, an intermediate docking assembly located at the bottom of the top drive assembly and connected sequentially, and a drilling assembly fixed to the bottom of the lowest intermediate docking assembly. The intermediate docking assembly includes a ring-shaped main body. This invention facilitates drilling operations and is suitable for drilling operations at different depths. During drilling, coolant is sprayed from the inner ring above the drill bit to quickly cool the drill bit, effectively protecting its safety and improving drilling efficiency and stability. It eliminates the need to remove the drill rod for core sampling, facilitating subsequent drilling operations. After core sampling, coolant flow is facilitated, preventing the core from clogging the backflowing coolant and effectively avoiding drill rod blockage in the borehole, thus improving drilling safety and facilitating drilling and core sampling operations.

The invention relates to a Mars frozen soil deep drilling coring vehicle and a coring method, the coring vehicle comprises a supercritical carbon dioxide preparation system, a high-pressure anchoring system, a drilling coring system and a transportation and storage system, and the coring process is divided into a preparation stage, an anchoring stage, a drilling coring stage, a barrel loading and recycling stage and a separation stage. The characteristics of high rock fracturing performance and high penetrability of supercritical carbon dioxide jet flow are utilized, deep drilling coring is assisted, and a plurality of conical anchoring pistons distributed in the circumferential direction are hydraulically pushed to be inserted into a soil body at the same time to achieve anchoring. A complete rock core transportation and storage mechanism is designed, the drilling coring system obtains the rock core, cuts off the rock core and places the rock core in a core storage bag, and under the synergistic effect of different types of guide rails and clamping jaws in the transportation and storage system, the rock core is stored in a core storage barrel and recycled in a centralized mode, and multi-point multi-time sampling can be achieved. According to the Mars frozen soil deep drilling coring vehicle and the coring method, stable anchoring and deep drilling of a Mars frozen soil stratum can be achieved, and the coring efficiency and quality can be remarkably improved.

The utility model relates to the technical field of traction equipment, in particular to a traction system for vertically arranging a deep drilling optical cable, which comprises a winch, a traction cable and a damping device, the traction rope is connected with the winch so as to be driven by the winch to retract and release. The damping device comprises a damping mechanism and a damping adjusting mechanism, the damping mechanism is connected with the traction cable and used for absorbing impact force of the traction cable, and the damping adjusting mechanism is connected with the damping mechanism and used for adjusting damping of the damping mechanism. According to the traction system for vertical arrangement of the deep-drilling optical cable provided by the utility model, the damping device is arranged, so that the damping mechanism of the damping device can be used for applying damping to the traction cable, and the situation that the traction cable is broken due to sudden acting force generated when the winch is started and stopped is prevented; traction cable fatigue and optical cable damage caused by uneven stress are effectively relieved, the damping adjusting mechanism can adjust damping of the damping mechanism according to requirements, and the flexibility of the system is remarkably improved.

The application discloses an unstable deep borehole while-drilling type ground stress testing device and testing method, which comprises a pressurized water injection device, a high-pressure drill rod in communication with the pressurized water injection device, a rope core drill rod sleeved outside the high-pressure drill rod, a channel switching valve comprising a valve body, a water inlet arranged on the valve body, a first water outlet channel in selective communication with the water inlet, and a second water outlet channel, wherein the other end of the high-pressure drill rod is in communication with the water inlet, one end of the rope core drill rod is fixedly connected with the valve body, and the other end is fixed to the ground during the test, and the testing device comprises, in sequence, an upper packer, a center fracturing section, and a lower packer, the first water outlet channel is in communication with the upper packer and the lower packer in sequence, and the second water outlet channel is in communication with the center fracturing section; and a geological drill bit is used to remove obstacles when passing through unstable strata. The application not only can prevent the backflow of sewage in the borehole into the channel switching valve and the inner cavity of the packer, but also can pass through the unstable deep borehole to perform stress testing.

The invention discloses a drilling fluid cooling and waste heat recovery system based on phase-change heat exchange, and belongs to the field of drilling engineering. The system comprises a drilling fluid circulation module, a heat exchanger module, a secondary refrigerant circulation and waste heat utilization module and an intelligent control module. The high-temperature drilling fluid is efficiently cooled through phase-change heat exchange of the low-boiling-point secondary refrigerant; meanwhile, the turbine generator is driven by vaporization of the secondary refrigerant, and waste heat recovery is achieved. The system supports intelligent series-parallel connection switching of multi-stage heat exchangers so as to adapt to different working condition requirements. The system has the advantages of high cooling efficiency, low energy consumption, high waste heat utilization rate and the like, and is suitable for high-temperature operation environments such as deep drilling and geothermal development.

The invention provides a hole bottom rock breaking device applied to extraterrestrial celestial body deep drilling. The hole bottom rock breaking device comprises an ultrasonic generator, a cable, an electric slip ring, an ultrasonic transducer, a free mass block, a spiral drill rod and a drill bit. The ultrasonic generator generates ultrasonic energy and provides the ultrasonic energy to the ultrasonic transducer; the ultrasonic transducer is used for converting an input ultrahigh-frequency electric signal into ultrahigh-frequency mechanical vibration; the free mass block excites the ultrahigh-frequency ultrasonic vibration generated by the ultrasonic transducer to drive downwards to generate high-frequency collision with the spiral drill rod, so that the spiral drill rod and the drill bit move downwards to impact the rock, and the free mass block performs reciprocating high-frequency collision between the ultrasonic transducer and the spiral drill rod through reverse movement of impact counterforce; the spiral drill rod is connected with the bottom of the ultrasonic transducer, and energy generated by ultrahigh-frequency vibration of the ultrasonic transducer and high-frequency impact of the free mass block is transmitted downwards to the drill bit. And the drill bit acts the high-frequency-ultrahigh-frequency impact energy on the rock, and the rock is broken through continuous impact.

The utility model discloses an electric drill with an auxiliary handle, which relates to the technical field of electric hand drills and comprises an electric hand drill body. The auxiliary handle assembly is detachably arranged on the outer side of the electric hand drill body through friction force; the guiding auxiliary mechanism comprises an adjusting hole, a scale rod, a limiting shell, an avoiding channel, a hexagon nut and an adjusting bolt. The adjusting hole is formed in the extending handle in a penetrating mode, the scale rod is arranged on the inner side of the adjusting hole in a sliding mode, the limiting shell is fixedly arranged on the side face of the extending handle, the avoiding channel is formed in the right side of the limiting shell, and the hexagon nut is clamped to the inner side of the limiting shell and arranged on the outer side of the adjusting bolt in a sleeving mode. The adjusting bolt penetrates through the limiting shell and the side wall of the extending handle and extends to the inner side of the adjusting hole. According to the utility model, punching operation can be carried out by two hands, meanwhile, the situation that a drilled hole is too shallow or too deep can be avoided, and the actual use effect is better.

This invention discloses a soft robot system and its working method for sampling polar ice layers, applied in the field of polar drilling technology. It includes a soft robot and an ice surface working platform. The soft robot comprises a sub-ice drilling soft body and an ice surface sealing soft body. The sub-ice drilling soft body includes a soft body main unit and a heat-fusion module located at the front end of the soft body main unit. The ice surface sealing soft body includes a soft body main unit. Both soft body main unit one and soft body main unit two are provided with hollow channels, and several air chambers are provided inside soft body main unit one on both sides of the hollow channels. The ice surface working platform includes a pneumatic system, a pipeline system, a water storage system, and a main controller. The main controller is electrically connected to the pneumatic system, the pneumatic system pipelines are connected to the pipeline system, and the pipeline system pipelines are connected to the water storage system and the air chambers. The pipeline system passes through the hollow channels and connects soft body main unit one and soft body main unit two in series. This invention meets the existing requirements of unmanned drilling, flexible selection of sampling locations, no complex mechanical structure, and low propulsion resistance in ultra-deep drilling.

The utility model relates to the technical field of drilling fluid conductivity detection, in particular to a drilling fluid conductivity detection device which comprises a main body, the top of the main body is fixedly connected with a control assembly, and a movable detection assembly is arranged in the main body; according to the utility model, the sliding plate can slide in the sliding chute by utilizing the telescopic jacking of the telescopic rod, so that the position of the detection mechanism at the bottom of the sliding plate can be accurately adjusted, and the wire wheel driven by the motor can adjust the extension length of a cable, so that the detector can be brought into deeper drilling fluid, the detection range is enlarged, and the detection efficiency is improved. By means of the band-pass filter, the phenomenon that signal transmission is blocked due to the fact that the outside interferes and shields signals when the detector transmits the detected signals can be avoided, the band-pass filter can eliminate out-of-band noise and direct-current components, useful information is extracted from noise signals through discrete wavelet transform or continuous wavelet transform, the signal-to-noise ratio is increased, and the error rate is reduced.

The invention relates to the technical field of shaft machining, and discloses an industrial lifting door transmission reel machining all-in-one machine which comprises a workbench, a drilling assembly and a tapping assembly, and the drilling assembly and the tapping assembly are matched with each other. Through mutual cooperation of the blocking sleeve and the bristles, when the blocking sleeve and the bristles enter a drill hole together, the blocking sleeve can effectively restrain the bristles, the situation that chippings are pushed to the top of the drill hole due to excessive scattering of the bristles in the insertion process is avoided, and the hidden danger of chipping accumulation is reduced from the source; the bristles rotate at a high speed under the action of the friction wheel and the friction plate, the bristles originally bent in the blocking sleeve are unfolded and tightly attached to the inner wall of a drill hole by means of centrifugal force and elasticity, 360-degree dead-corner-free cleaning is achieved, and even tiny chippings in the deep position of the drill hole can be thoroughly removed. By means of the design, the problem that chippings remain in a traditional cleaning mode is solved, hole wall scratching possibly caused by manual cleaning is avoided, and the machining defects such as tapping clamping stagnation and insufficient thread precision caused by the chippings are reduced.

The utility model relates to the field of well drills, in particular to a well drilling device capable of automatically adjusting depth, which comprises a bottom support. The device comprises a bottom support and further comprises a limiting seat, a rotating ring, meshing teeth, a sponge ring, a supporting plate, a second driving motor and a gear, two symmetrical mounting seats are arranged on the surface of the rear side of the bottom support, wheels are rotationally connected to the outer sides of the two mounting seats, two symmetrical supporting assemblies are arranged on the upper surface of the bottom support, and a transmission module is connected to the moving end of each driving assembly. The output end of the transmission module is connected with a drill bit; by arranging a second driving motor, the output end of the second driving motor can drive a gear to rotate during operation, the gear can drive a rotating ring to synchronously rotate on the upper surface of a limiting seat under the cooperation with meshing teeth during rotation, and the rotating ring can drive a sponge ring to rotate during rotation, so that in the process of moving a drill bit upwards and taking out the drill bit, the drill bit can be conveniently taken out. The outer surface of the drill bit can be cleaned, and sludge attached to the outer surface of the drill bit is reduced.

This invention relates to a pile foundation positioning and anti-deviation structure for pile foundation engineering, belonging to the field of pile foundation positioning technology. It includes a base, with mounting columns symmetrically connected to the four corners of the base. A support seat is connected to a fixed seat above each mounting column. The outer protrusion of the mounting column is fixed to the fixed seat. A support seat is installed above the fixed seat, and a platform is installed above the support seat. A movable sleeve is installed at the central opening of the platform's internal cavity. Through the cooperation of the platform, the spherical movable sleeve, and the guide tube, gravity is used to adaptively keep the guide tube vertical, allowing for rapid adaptation to uneven ground. Simultaneously, an oil adjustment and fixing component is included. The oil is pushed according to the pile column diameter to adjust the meshing position of the transmission gear, adapting and adjusting the transmission speed of the gear, thereby adjusting the drilling depth of the screw groove column. A larger diameter results in deeper drilling, further improving the pile foundation positioning accuracy.

The invention relates to an experimental device and method for researching rock crushing characteristics. The experimental device comprises an experimental kettle, a base for mounting the experimental kettle and a crusher mounted on the base. The experiment kettle comprises a kettle body and a kettle cover arranged on the kettle body, and the kettle body and the kettle cover jointly define a closed cavity used for containing a rock sample. A drill rod extending into the experiment kettle is arranged on the crusher, and a drill bit propped against the rock sample is mounted at the end part of the drill rod. Wherein the kettle body is configured to enable the temperature and the pressure in the cavity to reach preset values respectively before the drill bit crushes the rock sample. Therefore, the experimental research on the rock crushing characteristic can be ensured to be carried out under the preset temperature and pressure conditions, so that the obtained experimental data is more practical, and reliable support is provided for the research on deep and ultra-deep drilling rock crushing technologies and tools.

A hammer drill is provided including at least one cylinder, in which at least one piston is mounted such that it can be moved axially between an upper and a lower end position, wherein the cylinder has at least one lower fluid supply, which can be cyclically supplied with a drive fluid, wherein the cylinder is closed with an upper cover and a lower cover, wherein, in the lower end position, the piston is in contact with an inner side of the lower cover and a ring gap is formed between the entire casing surface of the piston and the inner wall of the cylinder. A method for deep drilling using a hammer drill of this type is also provided.

The application discloses a kind of high ground stress test methods of deep-buried tunnel surrounding rock.It includes the following steps, step one: after drilling is completed, installation connection and lowering of each instrument equipment in high ground stress test device based on ultra-deep drilling are completed;Step two: pressure equipment is pressurized, high-strength liquid pressure is formed, high-strength liquid pressure reaches hole bottom piston through flexible high-strength pressure pipe, pressure gauge and built-in flexible high-strength pressure pipe;Step three: with the pressure input of pressure equipment, flexible cladding plate on both sides of piston is pressed and moves laterally, and is well cladded with drilling hole wall and gradually applies pressure to drilling hole wall;Step four: the compression deformation of drilling hole wall rock mass after being pressed is measured by micrometer;Step five: P~s characteristic curve is obtained;Step six: ground stress of drilling hole wall rock mass test point is obtained.The application has the advantages of being able to measure and determine ground stress before deep-buried underground chamber or tunnel excavation construction.

The invention provides an intelligent-detection tunnel karst cave roof stability evaluation method and system, and the method comprises the steps: exploring the geological state of a tunnel karst cave roof through deep drilling, carrying out the distance measurement through a surface leveling laser range finder, receiving a signal reflected by the surface of a natural object, carrying out the distance measurement, and constructing a three-dimensional solid model of a tunnel karst cave; performing 3D analysis processing, filtering and interpretation on the original point cloud data of the karst cave, and establishing a numerical analysis model of the karst cave based on a finite element simulation program; according to the actual tunnel external load and the serialized virtual tunnel external load, tunnel karst cave roof mechanical calculation and finite element simulation calculation analysis are carried out, and karst cave roof stability analysis sequence data are generated; and according to the mechanical calculation sequence data of the tunnel karst cave roof, statistically analyzing the maximum principal stress data of the tunnel karst cave roof, and judging whether the stability of the karst cave roof meets the maximum load requirement outside the tunnel.

The present application relates to a kind of based on extended Kalman filter prediction deep drilling overflow state perception method, belong to drilling well control technical field, including based on bond graph principle establishes the state space model of drilling wellbore and formation coupling flow system;Real-time data of logging parameters such as pressure before and after overflow occurs, inlet and outlet flow, mud pit increment are used to establish the observation equation model of the state space model of drilling wellbore and formation coupling flow system;The state equation model of the state space model of drilling wellbore and formation coupling flow system is established using pore medium seepage theory and oil and gas well fluid mechanics principle;Formation pressure and wellbore and formation coupling flow state are predicted in real time by introducing extended Kalman filter prediction method.The present application can reduce the false positive rate of system while discovering downhole overflow in advance, effectively reduce the risk of well kick when drilling abnormal high pressure formation, avoid blowout accident, provide safety guarantee for subsequent drilling operation.

The invention provides a method for rapidly evaluating the stability of an engineering stockpiling yard, and belongs to the technical field of stockpiling yard stability evaluation.The method comprises the following steps that engineering geological information, hydrogeological information and stockpiling yard design data of the stockpiling yard are obtained, stockpiling process data are obtained, and a real-time detection device is buried in the stockpiling yard in the stockpiling process; the method comprises the following steps: carrying out deep drilling collection on a stockpiling field, carrying out parameter testing on collected materials, obtaining topographic and geomorphic data of the stockpiling field, obtaining related parameters of a rock-soil body of the stockpiling field, obtaining a natural state repose angle, inputting the data into software, simulating and analyzing safety coefficients of the stockpiling field under different working conditions, and obtaining prediction data of different working conditions. And constructing a three-dimensional space dynamic model of the stockpiling yard, inputting different working condition prediction data into the three-dimensional space dynamic model of the stockpiling yard, and predicting changes of the stockpiling yard under different working conditions. According to the method, the stability of the stockpiling yard can be rapidly and accurately evaluated, advanced prediction can be carried out, emergency processing can be carried out in advance, and accidents are avoided.

The invention discloses a method for collecting a drilling image based on drilling peeping equipment. An external female head is connected with a drilling rod; the drilling machine drives the drill rod to drive the drilling peeping equipment to rotate at a high speed, and drilling construction is conducted through the drill bit; in the deep drilling process, image data in a hole are synchronously collected and stored in a storage module according to the time sequence, and meanwhile a footage comparison table is established; when the drilling efficiency is reduced, high-pressure water enters an external female head through an internal pipeline of a drill rod, one part of water flow cleans a peeping lens and a peeping window, the other part of water flow is sprayed out of a hole channel in a drill bit to impact the interior of a drill hole, and punching operation and cleaning operation of the peeping lens are synchronously achieved; after peeping operation is completed, rod retreating operation is carried out, the inner peeping mechanism is taken out of the outer bearing mechanism, then the rear cover is opened, the data interface is connected with the computing terminal through a data line, and peeping data are read. According to the method, the real image in the hole can be clearly and efficiently acquired.

This invention belongs to the field of oil drilling equipment technology, specifically providing a supporting equipment for environmentally friendly drilling in soil formations, including a drill bit, a hoisting mechanism, a drill string, a hoisting wire rope, and a winch. The lower part of the drill string is connected to the drill bit, the hoisting mechanism is sleeved outside the drill string and the lower part of the hoisting mechanism is sleeved outside the upper part of the drill bit, and the upper part of the hoisting mechanism is connected to the winch through the hoisting wire rope. This invention solves the problems of high cost, low efficiency, shallow drilling depth, and irregular wellbore in existing technologies when drilling without drilling fluid. This invention realizes dry rotary drilling operations, with low cost, high efficiency, deep drilling depth, and regular wellbore.

A drilling machine for processing a deep drill hole of a wood piece relates to the technical field of woodware processing, and comprises a workbench (1), a drill bit driving device (2), a drill rod chuck (3) and a drill bit (4), the workbench (1) is provided with two parallel guide rails (5) along the longitudinal direction, the guide rails (5) are connected with a sliding platform (6) through linear bearings, a workpiece clamping device is arranged on the surface of the sliding platform (6), and the workpiece clamping device is connected with the drill bit driving device (2). The workpiece clamping device comprises side baffles (7) and a workpiece clamp (8), the two side baffles (7) are symmetrically arranged on the two sides of the axis of a pre-machined workpiece and fixed to the table top of the sliding platform (6), the workpiece clamp (8) is fixed to the side baffles (7), the clamping portion of the workpiece clamp (8) presses the workpiece from top to bottom, a tailstock (9) is arranged at the rear end of the sliding platform (6), and a center device is arranged on the tailstock (9). The device has the advantages of being simple in structure, low in manufacturing cost, easy to operate, convenient to use and rapid in clamping, and the machining efficiency of deep drilling of wood pieces can be greatly improved.

The application discloses a highway crossing deep loose soil layer goaf settlement prediction method based on InSAR, belongs to the technical field of road engineering, and discloses the main control factor of the highway construction site settlement above the high water level thick loose layer goaf based on InSAR ground surface deformation monitoring data, and discloses the space-time evolution law of the settlement basin settlement; the highway surface residual deformation prediction method crossing the goaf is proposed, which can not only be used for highway route selection, but also be used for route selection of other grades of roads, and can also be applied to railway route selection and other engineering site selection; can significantly reduce the large resource consumption caused by the common treatment measures, obviously reduce the field work load and the labor intensity of the staff in the goaf stability evaluation, and avoid the adverse effects of deep drilling on the site environment and underground water.

To provide a drilling machine having deeper drilling capacity.SOLUTION: A drilling machine 1 includes a bit 111 for drilling, a down-the-hole hammer 112 that applies a striking force to the bit 111, a boring rod 113 that transmits a rotational force to the bit 111, a casing 12 that is installed in a hole during drilling, a lid member 13 that is provided on an upper portion of the casing 12 and covers a space between the upper portion of the casing 12 and the boring rod 113, and a suction device 14 that discharges slime generated during drilling from a discharge port 131 provided in the lid member 13.SELECTED DRAWING: Figure 2

The invention discloses a geothermal resource exploration method based on ground hydrothermal alteration hyperspectral measurement, and belongs to the technical field of geological mineral exploration. The method comprises the following steps: firstly, obtaining a short-wave infrared spectrum and a thermal infrared spectrum of an earth surface rock sample, and taking an alteration grade divided by the short-wave infrared spectrum as a real label; rock skeleton characteristics extracted by thermal infrared spectroscopy are used as independent variables; after the minority class samples are balanced by adopting an SMOTE technology, training a random forest classification model; then extracting a prediction probability vector output by the model to carry out inner product and normalization operation; and finally, adaptively searching a threshold limit to extract a planar alteration abnormal region, and carrying out spatial superposition verification on the planar alteration abnormal region and discrete point-shaped hot spring temperature features to delineate a dominant target region. According to the method, the target area deviation caused by a single temperature index is effectively corrected, the gradual change spatial evolution rule of alteration intensity is well adapted, and high-precision and low-cost early-stage exploration work of the geothermal target area is achieved under the condition of no deep drilling.

A drill string component, in particular a drilling collar component, an MWD component, or an LWD component for use in oilfield technology and particularly in deep drilling, is provided. A method of making a drill string component, and a steel alloy useful in making a drill string component, are also provided.

The invention discloses a roller press roller sleeve column nail roller column nail installation device, and relates to the technical field of roller presses, the roller press roller sleeve column nail roller column nail installation device comprises a base, a positioning module used for positioning a nail roller is arranged on the base, the nail roller comprises a main body structure, the main body structure is sleeved with a roller sleeve, and nail holes used for installing nail columns are evenly formed in the roller sleeve; a plurality of rows of nail holes are formed in the roller sleeve in the circumferential direction; the rotating module is used for driving the positioned nail roller to rotate; a drilling module is further arranged on one side of the base and used for conducting deep drilling treatment on the nail holes. Wherein the drilling module comprises a first drill bit and a second drill bit which are symmetrically arranged, and the axial lead of the first drill bit and the axial lead of the second drill bit and the axial lead of the positioned nail roller are located on the same horizontal plane and are perpendicular to each other; according to the invention, the phenomenon of drilling deviation can be effectively avoided, and the stability and the precision are improved, so that the quality of subsequent stud installation after drilling is completed is ensured.

FIELD: construction.SUBSTANCE: invention relates to equipment and a system for implementing a method for intelligently constructing bored piles in confined spaces. The equipment for intelligent construction of bored piles in confined spaces includes: a running gear (100), a chassis (101), a forward drive mechanism (102) and a steering mechanism (103), a multi-section drill rod system with high-precision control (200) including a mast (201), a lifting frame (202), a threaded drill rod (203), a rotary cutting bit (204), a lower support frame (205), a laser level (206), a laser rangefinder (207), a deviation correction mechanism (208) and an acoustic wave detection sensor (209). The mast (201) is installed on the chassis (101), the lifting frame (202) is mounted on the mast (201), a drive is installed on the lifting frame (202), the output of which is connected to the gearbox; the threaded drill rod (203) is connected to the gearbox and the rotary cutting bit (204) by means of internal and external threaded connections, and adjacent threaded drill rods (203) are connected in series by threaded connections; the lower support frame (205) is installed on the chassis (101) and put on the outer part of the drill rod; two sets of laser levels (206) are installed on the chassis (101) and are located at an angle of 90°; a laser range finder (207) is mounted on a chassis (101); two sets of deviation correction mechanisms (208) are mounted on the chassis (101) for correcting the position of the threaded drill rod (203) in the forward-backward and left-right directions; and four sets of acoustic wave detection sensors (209) are arranged on the outer side of the borehole, respectively; a vacuum separation and auger soil extraction unit (300), including a high-pressure fan (301), a cyclone separator (302) and a pressure sensor (303).EFFECT: providing intelligent control of bored pile construction operations in confined spaces and at deep drilling sites, providing intelligent scanning and model creation, intelligent marking and projection of points onto the terrain, intelligent planning of construction route, intelligent determination of borehole location, intelligent adjustment of spatial position and intelligent control of verticality and drilling depth.14 cl, 29 dwg