26446 results about "Drill bit" patented technology

In one aspect of the present invention, a drill string has a drill bit with a body intermediate a shank and a working face. The working face has a plurality of blades converging at a center of the working surface and diverging towards a gauge of the working face. At least one blade has a cutting element with a carbide substrate bonded to a diamond working end with a pointed geometry. The diamond working end also has a central axis which intersects an apex of the pointed geometry. The axis is oriented between a 25 and 85 degree positive rake angle.

A stop for use with an electric drill bit, the stop having at least one threaded sleeve for positioning the stop relative to a surface into which the drill bit will extend. The stop may have both an inner and an outer sleeve. The sleeves are mounted coaxially, one inside the other about the drill bit. One of the sleeves, preferably the inner sleeve, provides coarse adjustment of the position of the shoulder relative to the tip of the bit, while the other, preferably the outer sleeve, provides fine adjustment of the position of the shoulder relative to the top of the bit.

A reamer drill bit includes a body having an outer surface defining a plurality of grooves, and a cutter arm with an interior surface. Each groove extends from a first end of the body to a second end of the body and has at least one groove recess, at least one groove peak connected by a sloped section, and a track arranged in the sloped section. The cutter arm is slidably attached to the body, is configured to expand radially away from the body, and is configured to slide longitudinally relative to the body along the track. The interior surface of the cutter arm includes at least one arm valley, and at least one arm protrusion. The at least one groove recess receives the at least one arm protrusion and the at least one arm valley receives the at least one groove peak.

The invention discloses a drilling key parameter automatic regulation and control method based on an improved DDPG algorithm. The method comprises the following steps: collecting and preprocessing drilling data, and constructing a complete data set for training; a drilling speed (ROP) time sequence prediction model is constructed and trained on the basis of a self-attention mechanism (self-attention); building a simulation environment by using the trained ROP prediction model, and defining a state space, an action space and a multi-target reward function of a reinforcement learning DDPG algorithm model; a deep deterministic strategy gradient algorithm (DDPG) is adopted to train a reinforcement learning model, through an Actor-Critic network structure, an intelligent agent learns an optimal bit pressure (WOB) and rotating speed (RPM) regulation strategy in a simulation environment, and dynamic optimization of the drilling speed (ROP) is achieved. According to the method, through automatic and intelligent parameter regulation and control, the efficiency and stability of the drilling process are improved, the drill bit wear rate and the operation cost are reduced, and the method has good adaptability and multi-target optimization capacity and is suitable for drilling operation under the complex stratum condition.

The invention provides a geological exploration drilling device and method for geotechnical engineering design, and relates to the technical field of geological sampling, the geological exploration drilling device comprises a vehicle body, a propelling mechanism, a drill rod and a drill bit, the drill rod comprises a plurality of sampling barrels and locking assemblies arranged between every two adjacent sampling barrels, the drill bit comprises a drill barrel arranged at the bottom of the drill rod, a spacer bush arranged in the drill barrel and a plurality of cutting plates arranged on the side wall of the spacer bush at equal intervals in a sliding mode, the knocking assembly is arranged on the support, and the knocking assembly can strike the exterior of the drill rod in the process that the propelling mechanism drives the drill rod to vertically move. A soil core pressed into the drill rod can be cut off from an external soil layer, the bottom of the drill rod is sealed, it is prevented that in the upward moving process of the drill rod, the soil core slides off to affect soil sample collection, the drill rod can be assembled according to needs so that the soil core can be conveniently divided into multiple small sections, the soil core in the drill rod can be stably taken out, and the working efficiency is improved. The soil core is prevented from being taken out from a relatively long drill rod and fractured and crushed to influence subsequent detection.

Provided is a two-part drilling and running tool, a well system, and a method for forming a well system. The two-part drilling and running tool, in one aspect, includes a conveyance, a smaller assembly coupled to an end of the conveyance, and a larger bit assembly slidably coupled to the conveyance, the smaller assembly and larger bit assembly configured to slidingly engage one another downhole to form a combined bit assembly. The two-part drilling and running tool, according to this aspect, further includes a one way mechanism coupled between the smaller assembly and the larger bit assembly, the one way mechanism configured to allow the smaller assembly and larger bit assembly to axially slide in one direction relative to one another and prevent the smaller assembly and larger bit assembly from axially sliding in an opposite direction relative to one another.

The invention relates to the technical field of sampling, in particular to a portable sampling device for geological mineral exploration and a sampling method thereof.The portable sampling device comprises a bottom plate, guide frames, a lifting plate and the like, the two guide frames are connected to the top of the bottom plate, and the lifting plate is jointly connected to the two guide frames in a sliding mode. A rock core drill bit can be driven to move downwards through a screw rod motor, the rock core drill bit drills into soil, the soil enters a sampling pipe for sampling, a standby sampling pipe can be driven to move backwards through an electric guide rail, the standby sampling pipe is moved to the position below a mounting pipe, and the sampling pipe is spliced; the sampling pipe can be driven to move forwards through the electric guide rail, the sampling pipe can be disassembled, the sampling pipe can be automatically spliced and disassembled, operation is simpler, the burden of workers can be relieved, and therefore the sampling efficiency can be improved.

The invention relates to the technical field of printed circuit board manufacturing and quality detection, in particular to a PCB forming detection method based on a hole site scatter diagram and SPC analysis, and the method comprises the steps: collecting the actual hole site data of a PCB substrate through an optical scanner or a laser measurement device, generating a scatter diagram containing coordinates, aperture and tolerance, and carrying out the detection of the hole site scatter diagram; an abnormal region is identified by using an improved density clustering algorithm; performing multi-dimensional analysis on the scatter diagram based on an SPC model, extracting characteristic parameters such as hole site density deviation, constructing a dynamic control limit, and calculating a CPK to judge a processing state; and when the CPK is lower than a threshold value, optimization instructions such as drilling path correction and drill bit wear compensation are generated and fed back to the equipment through the anti-saturation fuzzy PID controller to realize closed-loop control. According to the method, the hole site machining quality can be accurately detected, the machining parameters are adaptively adjusted, and the PCB forming precision and the production stability are effectively improved.

The invention relates to the technical field of aluminum alloy processing, in particular to an aluminum alloy component multi-source heterogeneous production data acquisition system and method. The method comprises the following steps that multi-source heterogeneous sensing equipment is dynamically deployed along a drill bit machining track of a core machining unit to extract original signals, then multi-source data streams are gathered according to aluminum alloy working procedure features, and finally a component-level original heterogeneous data set is generated; carrying out feature enhancement processing according to the component-level original data set, and carrying out band element data matrix construction to obtain a band element process instance record; therefore, by constructing the cross-scale fused aluminum alloy full-process digital twin, the problem that a traditional manufacturing process lacks whole-process, multi-dimensional and reversible traceability data support is solved, and the precision of aluminum alloy component quality analysis, the pertinence of process optimization and the automation level of data reporting are improved.

The invention discloses a soil sampling device for environmental remediation, belongs to the technical field of environmental remediation, and aims to solve the problems that a spiral blade can destroy the in-situ structure and hierarchy of soil and influence the accuracy of a result, and broken stones on the surface layer of the soil can damage a spiral conveying blade. The soil sampling device comprises a shell, a handle is fixedly connected to the side wall of the shell, a first motor is fixedly connected to the top end in the shell, a threaded rod is rotatably arranged on the shell, one end of the threaded rod penetrates into the shell and is fixedly connected with the output end of the first motor, and a support sleeves the outer side of the threaded rod. According to the soil sampling device, gravel on the surface layer of soil can be cleaned, abrasion of the gravel to a drill bit is avoided, the service life of the sampling device is prolonged, meanwhile, soil of various depths can be sampled, the sampling amount of soil samples is ensured, and follow-up workers can conveniently and accurately detect specific components of the soil.

The invention relates to the technical field of directional drilling track control, and discloses a coal mining underground directional drilling track control method and system, and the method comprises the steps: carrying out the fusion track analysis of a drilling machine based on sensor data, drilling parameters and pre-obtained geological hardness parameters, and obtaining a reference track of the drilling machine, a sensor, an azimuth angle sensor and a bit pressure sensor are used for synchronously collecting drill bit attitude data of a drilling machine to generate a real-time track of the drilling machine, then track offset calculation is carried out to obtain inclination angle deviation and azimuth angle deviation, and dynamic gain adjustment analysis is carried out on the drilling machine to obtain adjustment parameters of the drilling machine. And finally, the drill bit posture of the drilling machine is adjusted based on the adjusting parameters. According to the method, the directional control accuracy of the underground drilling track can be improved.

According to the drilling, sealing and injecting integrated anchor rod drilling intelligent monitoring system and method, a rod body is sequentially provided with a head-section wave-shaped threaded section, a middle-section large threaded section and a tail-section wave-shaped threaded section from the head end to the tail end, and a grouting channel is formed in the axis of the rod body; the drill bit and the round nut are respectively mounted at the head and tail ends of the rod body; the anti-shearing tray, the constant-torque pressing sheet and the hexagon nut are arranged on the outer side of the tail-section wave-shaped thread section in a sleeving manner; the built-in mixer is inserted into the grouting channel; the drilling machine is connected with the drilling, sealing and injecting anchor rod through a monitoring sensor arranged outside the hexagon nut in a sleeving mode. A strain type force sensor, a rotating speed sensor, a high-frequency vibration sensor, a well deviation instrument and a load sensor are arranged in the monitoring sensor. The method comprises the steps that a drilling machine rotates forwards to drive a drill bit to conduct drilling operation, deslagging operation is conducted synchronously, and in the drilling process, various sensors are used for collecting various parameters in real time; pre-tightening is conducted through reverse rotation of the drilling machine; a built-in mixer is used for grouting operation; and blocking treatment. According to the system and the method, the operation process can be intelligently monitored.

A device including a platform and a drill connected to the platform. The device also includes a power source for powering the drill. The device also includes a cable connected to a cable reel and to the drill. The device also includes a stinger having a first end connected to the platform and a second end opposite the first end. The stinger includes a beam extending outwardly from the platform. The second end of the stinger connects to the cable. The stinger is configured to guide a position of the cable, relative to the platform, as the cable moves relative to the platform and relative to the stinger.

The invention relates to the technical field of engineering early warning, in particular to a drilling engineering early warning method and system, and the method comprises the following steps: collecting a plurality of operation parameters of drilling equipment in real time based on a drilling engineering environment, screening the data, carrying out the comparative analysis of the parameters, evaluating the deviation between the current operation parameter and the conventional operation data, and carrying out the early warning of the drilling engineering. And obtaining equipment operation deviation information. According to the method, the operation parameters of the drilling equipment are collected and processed, key parameters such as the drill bit speed and torque are monitored in real time, deviation with conventional data is found in time, the abnormal condition of the equipment can be quantitatively evaluated by analyzing the frequency and duration of the operation deviation of the equipment, and the stratum data aggregation and trend analysis are combined. The safety of drilling operation is enhanced, the stability of a drilling site can be evaluated by extracting key features such as stratum density and rock hardness, risk classification is performed accordingly, risk early warning is achieved, and potential accidents are effectively avoided.

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 relates to the technical field of drilling machines, and provides an automobile lower ball head machining drilling machine with a chipping cleaning function, which comprises a machine body, a workbench, a main shaft, a drill bit and a sprayer, and further comprises a protection mechanism, a filtering mechanism, a purging pipe and a dumping mechanism, the protection mechanism is used for protecting a drilling position, and the protection mechanism comprises a protection barrel and a sealing cover; the protective barrel is arranged on the machine body, the workbench is arranged in the protective barrel, the sealing cover is arranged on the main shaft, the filtering mechanism is used for filtering metal chippings and comprises a liquid collecting hopper and a filter screen, the liquid collecting hopper is arranged below the protective barrel, the filter screen is rotatably arranged in the liquid collecting hopper, and the blowing pipe is arranged on the sealing cover. And the pouring mechanism is used for pouring the liquid collecting hopper and pouring out the metal chippings in the filter screen, and by means of the technical scheme, the problem that in the prior art, cutting liquid is mixed with cutting chippings, so that subsequent drilling machining is affected is solved.

The present invention provides an intelligent construction control method, apparatus, and system for splitting jet grouting mixing piles, relating to geotechnical engineering. The method includes receiving real-time perception information from a construction information self-perception system, which includes drilling depth, drilling rig output power, drill bit torque, drill rod axial force, and pore water pressure of the drill bit. This information is input into a trained machine-learning model for stratum information, establishing a nonlinear implicit correspondence relationship between the perception information and construction stratum conditions, and outputting real-time stratum state information. The real-time stratum state information is then input into a trained self-matching machine-learning model for optimal construction parameters, establishing a nonlinear implicit correspondence relationship between the stratum state information and optimal construction parameters, and outputting current optimal construction parameters. This invention enables real-time intelligent inversion of stratum information and dynamic self-optimization control of construction parameters.

The invention relates to the technical field of drilling equipment, in particular to drilling equipment for automobile brake disc production, which comprises a support, an air cylinder and a mounting table, and an electric control drill bit is arranged on the bottom surface of the mounting table. The second rotating disc slides in a second abutting groove through a second abutting block fixed to the inner side of the second rotating disc when moving downwards along with the first rotating disc, stable rotation of the second rotating disc is guaranteed, the second rotating disc and the first rotating disc rotate coaxially, a second arc-shaped groove is formed in the surface of the second rotating disc, and the second arc-shaped groove is matched with the second arc-shaped groove. The circular block at the bottom of the positioning block close to the center of the connecting disc is inserted into the arc-shaped groove II. When the second rotating disc rotates, the second arc-shaped grooves push the positioning blocks to move along the sliding grooves so as to adapt to the inner diameter size of the brake disc, and therefore multi-point positioning can be conducted on the inner diameter and the outer diameter of the brake disc at the same time, and the clamping stability is improved.

The invention provides a cobblestone stratum bored pile construction and drilling parameter intelligent control method, and relates to the technical field of artificial intelligence and bored pile construction, and the method comprises the following steps: arranging a sound wave emission array at the end part of a drill bit to collect cobblestone distribution information, identifying a weak connecting band as a passable area, calculating an optimal obstacle avoidance track, and setting a posture control point; and drill bit displacement, slurry injection and drill rod deformation parameters are adjusted, so that the drilling tool can intelligently pass along the obstacle avoidance track. Large cobblestones can be effectively avoided, the drilling resistance is reduced, the drilling efficiency is improved, and equipment abrasion is reduced.

The invention relates to the field of measurement while drilling in drilling operation, in particular to a small-diameter resistivity while drilling measuring device which comprises a drill bit installed at the bottom of a drill rod, a main shaft rotationally arranged in the drill rod, hinged plates symmetrically arranged at the upper end of the drill rod, and an annular cavity formed in the drill rod. Annular frames with U-shaped sections are symmetrically arranged in the annular cavity in a sliding manner, a receiving end and a transmitting end are respectively mounted in the annular frames which correspond to each other up and down, and mounting units for limiting the transmitting end and the receiving end are arranged in the annular frames. The high-efficiency detection of measured objects with different depths and angles in a complex geological environment is realized, the vibration generated in the drilling process of the drill bit is effectively absorbed, the transmitting end and the receiving end are ensured to work in a stable environment, the measurement error caused by the vibration is avoided, and the detection precision and reliability are greatly improved.

The invention discloses a while-drilling intelligent rock drill and method for self-calibrating a tunnel blast hole drilling track, and the while-drilling intelligent rock drill comprises a rock drill main body, a drill rod, a drill bit, an air leg, a monitoring module, an execution module and a control module, the monitoring module is used for receiving and collecting real-time data such as the drilling depth, the drill bit posture, the linear speed, the angular speed and the contact pressure of a drill bit and a rock stratum in real time and transmitting the data to the control module. The control module is used for receiving data of the monitoring module in real time, drawing an actual drilling track of a drill hole, calculating a drill hole deviation with a preset track, predicting lithology change in combination with an LSTM deep learning model, and outputting a correction instruction to the execution module; and the execution module dynamically adjusts the drilling deviation according to the received correction instruction. The method is realized based on the intelligent rock drill while drilling. The system has the advantages that the system has good real-time deviation monitoring and automatic calibration capabilities, the drilling precision can be effectively improved, and the problem of drilling deviation caused by lithology changes and personal errors is avoided.

A method can include receiving dielectric data from a downhole dielectric tool of a drillstring disposed in a borehole in a target material that includes a target material boundary between the target material and one or more other materials; generating a geosteering command, based at least in part on the dielectric data, that calls for orienting a drill bit of the drillstring with respect to the target material boundary; and issuing the geosteering command to a geosteering actuator of the drillstring.

Systems and methods for characterizing a subterranean formation that include a drill bit for drilling a deviated wellbore through the formation and that repeatedly changes direction. Also included is a directional drilling system and measurement equipment to detect a property of the formation. A trajectory control system is operable to: receive a well log; determine a property of the wellbore; segment the well log based on the property; and correlate one of the segments with the well log previous to the segment to determine a matching score for the segment. If the matching score is equal to or greater than a minimum threshold, the segment was taken in the formation and at the same stratigraphical true vertical depth (“STVD”). If the matching score is less than the minimum threshold, the segment was not taken in the formation and not at the same STVD and the STVD is estimated.

Vibrations in a drill string are damped with a sleeve that circumscribes and is rotatable about a portion of the drill string. Ribs project radially outward from an outer surface of the sleeve and into sidewalls of the wellbore to rotationally couple the sleeve and wellbore. A coupling device restricts free rotation of the sleeve about the drill string, and which is selectively engaged to counteract vibrational forces in the drill string. The coupling device can include a clutch-like device to introduce friction between the drill string and the sleeve, that is powered hydraulically or electrically. Activating the coupling device is based on a timer or in response to vibration sensed in the drill string.

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.

An apparatus, that is part of a drill string for drilling a wellbore in a subsurface formation, comprises a drill bit that includes at least one electrode coupled to a power source, the at least one electrode to periodically emit an electrical discharge based on electrical pulses received from the power source; and a first port to output a first type of drilling fluid having a different composition than a second type of drilling fluid to flow downhole for removal of cuttings, wherein the electrical discharge is to be transmitted through the first type of drilling fluid and through a rock of the subsurface formation.

A DGT passive sampling device for water body detection includes a bottom fixed unit, where the bottom fixed unit includes an inserting drill bit; a passive sampling unit arranged at the top of the bottom fixed unit; and a floating marking unit arranged at the top of the passive sampling unit, where the floating marking unit includes a winding cylinder I, and the winding cylinder I is movably connected to the chassis by control inner ropes. After the inserting drill bit is inserted into the underwater soils, the bottom cavity winding source is started, the rotation of the bottom cavity roll releases the downward movement of the middle ropes, so that the passive sampling unit falls, while the bottom cavity roll may make the passive sampling unit regularly distributed at different heights of the water bottom by releasing different lengths of the middle ropes.

The invention relates to the technical field of numerical control drilling machine tools, and discloses a numerical control drilling machine tool. When the numerical control machine tool controls the connecting shaft to move downwards, airflow sprayed out of the air guide hole preferentially sprays sweeps in a drill hole upwards, the cutting cutter head can continuously cut up long sweeps generated in the drill hole when the drill bit drills, on one hand, the long sweeps can be conveniently sprayed out through the airflow, on the other hand, winding of the sweeps is avoided, and the cutting efficiency is improved. And finally, the numerical control machine tool controls the connecting shaft to move upwards, at the moment, the chip removal block pops up to further discharge the waste chips remaining in the drill hole, finally, the effects of cutting the long waste chips to avoid winding and rapidly discharging the chopped waste chips are achieved, and the problem that when the drill hole is too deep and the waste chips are too long, the waste chips cannot be cut is solved. And long sweeps at the bottom of a drilled hole cannot be quickly discharged through short-distance up-down reciprocating motion, and the risk that the sweeps are wound still exists.

The invention discloses a drill rod for construction of an integrated stirring forming type cemented soil stiff anchor rod, the drill rod comprises a drill bit part and a hollow drill rod, the drill bit part comprises a shell, an anchor disc fixed in the shell and a spiral blade welded on the shell, and the hollow drill rod is inserted into the shell; the sheath steel pipe is inserted into the hollow drill rod and fixed to the shell, the grouting pipe is inserted into the sheath steel pipe, one end of the rod body is fixed to the anchor disc, and the other end of the rod body extends out of the sheath steel pipe. A first grouting hole is formed in the shell, and a second grouting hole is formed in the sheath steel pipe. The invention further discloses a construction method of the integrated stirring forming type cemented soil stiff anchor rod. When the method is used, the processes of hole forming, anchoring, grouting and the like are integrally formed, the process is simple, the speed is high, and the quality is easy to control; the formed cement-soil pile body is uniform in internal structure and reliable in strength; tension of the anchor rod is uniformly distributed, so that stress concentration can be reduced; and the formed cement soil pile body is high in end strength and good in safety.

The invention provides an oral surgery positioning and navigation method and system and a storage medium, and the method comprises the steps: calibrating an implanted mobile phone to obtain a unit vector of a rotating shaft of a drill bit and a three-dimensional coordinate value of the tip of the drill bit under an optical three-dimensional coordinate system, scanning to obtain a CT three-dimensional model of a patient, and segmenting to obtain a tooth CT model and an alveolar bone CT model; generating a tooth three-dimensional point cloud according to the real-time pattern of the speckle structured light on the teeth of the patient, acquiring a matrix transformation relation between a CT three-dimensional coordinate system and an optical three-dimensional coordinate system, and performing real-time navigation on the implanted mobile phone according to the real-time point position deviation and the real-time angle deviation of the drill bit. According to the technical scheme, the matrix transformation relation between the CT three-dimensional coordinate system and the optical three-dimensional coordinate system is calculated through the tooth CT feature points and the tooth point cloud feature points, and auxiliary navigation is carried out by comparing the target position of the implant with the real-time pose of the tip of the drill bit, the direction vector of the planting path and the unit vector of the rotating shaft of the drill bit. Operation is convenient and positioning precision is high.