545results about "Earth drilling tools" patented technology

The utility model relates to the field of drilling tools for wells, in particular to a self-adaptive rotary steering drilling tool which comprises a drill bit body and a damping column, a plurality of blades are sequentially arranged on the crown portion of the drill bit body in the circumferential direction, the cutting faces of the blades are fixedly connected with a plurality of cutting teeth, and mounting holes are formed in the outer side faces of the blades. Steel sleeves are fixedly arranged in the mounting holes, the damping columns are movably inserted in the steel sleeves, the ends, located in the steel sleeves, of the damping columns are fixedly connected with connecting bases, adjusting plates are arranged between the connecting bases and the bottoms of the steel sleeves, and outer-layer low-rigidity spiral springs are connected between the adjusting plates and the connecting bases. An inner layer high-rigidity conical spring is arranged on the inner side of the outer layer low-rigidity spiral spring, and an adjusting assembly for adjusting the adjusting plate and the bottom of the steel sleeve is arranged on the steel sleeve. The drill bit can better adapt to different pressure requirements, and the drill bit is prevented from bearing overlarge impact force, so that the cutting teeth are protected, and the service life of the drill bit is prolonged.

A method of monitoring the wear of a drill bit of a drilling system is provided. The method includes drilling into a formation using the drill bit of the drilling system, obtaining a weight-on-bit (“WOB”) from sensors of the drilling system, and obtaining a torque-on-bit (“TOB”) from the sensors of the drilling system. A bit damage indicator (“BDI”) is determined that is correlated with the wear of the drill bit based on a relationship between the WOB and the TOB.

The invention provides a reverse circulation drilling device with a reaming function and a using method thereof.The reverse circulation drilling device comprises a drill rod, the drill rod is hollow to form a main pipeline, the bottom of the drill rod is sleeved with a composite drill bit, and the composite drill bit comprises at least one down-the-hole hammer and at least one oil pressure hammer; one part of the down-the-hole hammer extends out of the bottom surface of the shell of the composite drill bit; the oil pressure hammer is arranged in the circumferential direction of the shell of the composite drill bit and can stretch out or retract in the radial direction of the shell of the composite drill bit. The reverse circulation drilling device comprises the composite drill bit, the composite drill bit is provided with the oil pressure hammer and the down-the-hole hammer, the oil pressure hammer can be used for reaming, the down-the-hole hammer can be used for drilling, the oil pressure hammer can be withdrawn when not working, follow-up drilling is not affected, and the composite drill bit can achieve reaming and vertical drilling at the same time; in actual construction, time for replacing the drill bit can be saved, construction efficiency is improved, and time and cost are greatly saved.

The application discloses a through-layer drilling ring flow supply self-cleaning and blocking integrated hole bottom extraction non-jetting drill tool, which comprises a multifunctional rod body, an extraction inner group pipe, a radial cavity forming nozzle, an axial blocking nozzle, a conical hole screen plate strip, an air inlet transition piece, a cross-border air inlet pipe, a compression spring slide valve assembly and a ring flow opening and closing drill bit. The special slide valve control mechanism is adopted, the original radial cavity forming jet flow is reserved, and the instantaneous axial blocking jet flow is added, so that the conical hole screen plate strip is self-cleaned and blocked. The cross-border air inlet pipe and the transition air inlet piece are combined and sealed, so that the radial air inlet channel passes through the axial flow supply channel without air and water leakage. The ring flow supply anti-backflow opening and closing drill bit is designed, and the jet flow water medium pollution problem and the drill bit opening and closing problem are solved.

The application provides a novel reaming drill bit device and a reaming method thereof, which comprises a reaming drill bit and a drill rod connector, the reaming drill bit comprises a drill bit base, a hollow bolt, a limiting block, a spring, a sliding rod and a cutter, one end of the drill rod connector is connected with a drill rod, and the other end of the drill rod connector is connected with the drill bit base; symmetric sliding grooves are formed on both sides of a cutting seam of the drill bit base; the cutter is fixed in the sliding groove through a sliding rail, and is automatically opened by sliding down along the sliding groove under resistance to rotate and ream; the cutter pushes the sliding rod to slide down to compress the spring, the drill rod is withdrawn after reaming, the spring pushes the sliding rod to slide up to drive the cutter to slide up, and the cutter returns to the original position; the drill rod in the hole is completely withdrawn, and cylindrical reaming is formed; the application only needs to replace the drill bit after drilling a relatively short hole, realizes reaming while drilling, and forms the reaming structure at one time, so that the workload of replacing the reaming drill bit can be greatly reduced; and the rock breaking capacity is relatively high, and the application is suitable for a relatively wide range of rock layers.

The utility model provides blasting drilling equipment with a dust falling function, which relates to the technical field of drilling equipment and comprises a base, a driving mechanism is mounted at the top end of the base close to the left side, and a dust falling component is mounted at the top end of the base and positioned on the back of the driving mechanism. A water tank is installed at the corner, close to the right side and the back side, of the top end of the base, a control box is installed at the top end of the base and located on the front face of the water tank, the driving mechanism comprises a fixing base, a driving assembly is installed in the fixing base, a fixing block is installed at the top end of the fixing base, and a first motor is installed at the top end of the fixing block; water in the water tank is pumped out through the water pump and conveyed to the interior of the annular pipeline through the hose, surrounding type water spraying dust falling is conducted on the drill bit and the drill hole through the first spray head and the second spray head, and compared with a traditional dust falling mode, manpower consumption is greatly reduced, and practicability is effectively improved.

The petroleum drilling system comprises a base, the base is horizontally placed on the ground, a through hole is formed in the middle of the base, a transverse plate is arranged above the base in a lifting mode, a first motor is arranged above the transverse plate, and an outer pipe is arranged below the transverse plate; the top of the outer pipe is connected with an output shaft of the first motor pair, a drill bit is arranged at the bottom of the outer pipe, and a hole channel is formed in the drill bit in a penetrating mode and communicates with the outer pipe. An inner pipe is arranged on the inner side of the outer pipe, a plurality of adjusting assemblies are arranged below the inner pipe, each adjusting assembly is connected with the inner side wall of the outer pipe, and the size of an opening in the upper end of a space formed by the adjusting assemblies is larger than that of an opening in the lower end of the space. A water pump and a liquid tank are further arranged on the base; the water pump can control the liquid tank to enable drilling fluid to enter and exit from the inner pipe and the outer pipe; by replacing the manufacturing material of the inner pipe, the overall mass of the inner pipe is lighter, and then the fixing degree of the plug pin to the inner pipe is improved.

The utility model discloses a TJS main shaft drilling device capable of moving up and down, and belongs to the technical field of drilling devices. A TJS spindle drilling device capable of moving up and down comprises a vehicle body; the vehicle body comprises a vehicle frame; the fixed plate is fixedly connected with the frame; the first turntable is rotationally connected with the fixed plate; the first driving piece is mounted on the fixing plate and used for driving the first rotating disc to rotate; the fixing frame is fixedly connected with the first rotating disc; the first guide column is fixedly connected with the fixing frame; the first sliding block is vertically and slidably connected with the first guide column; a cylinder body of the first hydraulic cylinder is fixed with the first turntable, and an output shaft of the first hydraulic cylinder is fixed with the first slider; the guide block is fixedly connected with the first sliding block; and the second sliding block and the guide block are horizontally and slidably connected with the spraying piece, and the second sliding block is installed on the adjusting block and used for reducing dust during drilling. The TJS main shaft drilling device capable of moving up and down has the beneficial effect that the TJS main shaft drilling device capable of moving up and down is better in dust falling function.

The application relates to a directional drilling structure for a navigable river and an application method thereof, and relates to the drilling technology field; the directional drilling structure for the navigable river comprises a drill bit body, an agitating frame is rotationally connected to the end of the drill bit body, a control element is arranged on the drill bit body, and the control element is used for driving the agitating frame to rotate; the application has the effect of reducing the possibility of yaw in the drilling process of the drilling equipment.

The utility model discloses a coal mine underground drilling dust prevention device, and relates to the technical field of underground drilling dust prevention. The underground coal mine drilling dustproof device comprises a dustproof cover, a rotating rod is movably arranged on the dustproof cover, one end of the rotating rod is connected with a drill bit, two connecting rods are rotatably arranged on the inner wall of the dustproof cover, one end of each connecting rod is connected with a cylindrical gear, a rotating shaft is fixed to one end of each cylindrical gear, and two dust discharging pipes are oppositely embedded in the dustproof cover. The ends, close to the drill bit, of the two dust discharging pipes communicate with volutes, impellers are arranged in the volutes, the rotating shaft is rotationally connected with the volutes, the impellers are arranged on the rotating shaft, and a movable gear is arranged on the rotating rod and meshed with the cylindrical gear, so that when the rotating rod drives the drill bit to conduct drilling, through cooperation of the cylindrical gear, the rotating shaft and the impellers, the dust discharging pipes can be driven to drill. And dust generated by drilling is absorbed and is discharged outwards through the volute and the dust discharging pipe, and the dustproof effect in the drilling process is effectively improved.

A water-jet ice core drilling rig includes a drilling barrel and a water-jet cutter head. Drilling barrel water channels are disposed on an inner barrel wall of the drilling barrel. The water-jet cutter head includes an inner pipe and an outer pipe. The inner pipe and the drilling barrel are coaxial. The inner pipe is fixedly connected to an end of the drilling barrel. First water passages are disposed on an outer side of an end of the inner pipe. The first water passages are uniformly distributed along a circumferential direction of the inner pipe. The first water passages are in one-to-one correspondence with the drilling barrel water channels. Each of the first water passages is connected with a corresponding one of the drilling barrel water channels. The outer pipe is sleeved outside the first water passages, the outer pipe is coaxially and fixedly connected to the inner pipe.

This invention discloses a coal mining drilling equipment and its method of use, belonging to the field of drilling equipment. It includes a pneumatic column-mounted drilling rig, on which a drill-holding assembly is adjustable via a rotating unit. The drill-holding assembly includes a fixed frame and a drill rod driven by a feed device. A transmission assembly is mounted on the fixed frame, and a cleaning assembly and a detection assembly are sequentially arranged along the axial direction of the drill rod at one end. The drill-holding assembly synchronously links the cleaning and detection assemblies through the transmission assembly to achieve automatic cleaning and wear detection of the drill rod surface. This coal mining drilling equipment and its method of use, through the positioning of the pneumatic column-mounted drilling rig, the driving of the drill-holding assembly, and the linkage of the transmission assembly, achieves integrated drilling, cleaning, and detection operations without additional manual intervention. The multi-stage linkage of the cleaning assembly efficiently removes impurities, and the detection assembly accurately identifies minor damage and provides audible and visual alarms, avoiding malfunctions, reducing labor intensity, and ensuring continuous, safe, and accurate operation.

The utility model provides a drill bit replacing device suitable for well drilling, which comprises a drill rod body, and a centering sleeve block is fixedly arranged in the drill rod body; a centering rod is fixedly arranged at the top of the drill bit body, the centering sleeve block is arranged on the centering rod in a sleeving mode, and the centering sleeve block can drive the centering rod to rotate synchronously; a butt joint plate is further fixedly arranged on the circumferential face of the centering rod. The clamping and fixing mechanism comprises at least two curved clamping rods, a movable extrusion module and a driving source, the at least two curved clamping rods are arranged at intervals in the circumferential direction of the drill rod body, the middle of each curved clamping rod is hinged to the inner wall of the drill rod body, and the upper end of each curved clamping rod makes contact with the movable extrusion module; the lower end of the curved clamping rod makes contact with the bottom face of the butt joint plate, and the driving source can drive the movable extrusion module to move up and down. Based on vertical movement of the movable extrusion module, the lower end of the curved clamping rod can upwards push the butt joint plate or downwards move to be away from the butt joint plate. The problem that a drill bit and a drill rod are inconvenient to disassemble and assemble in the prior art is solved.

The utility model relates to the technical field of road and bridge punching and sampling, and discloses a punching and sampling device for road and bridge detection, which comprises a support bottom plate, universal wheels, a sampling driving hydraulic cylinder, a sampling punching pipe and a sampling hydraulic rod, the bottom surface of the support bottom plate is fixedly connected with the universal wheels, the top surface of the support bottom plate is fixedly connected with a sampling support frame, and the sampling support frame is fixedly connected with the sampling driving hydraulic cylinder. A sampling driving hydraulic cylinder is fixedly connected to the bottom surface of the top of the sampling supporting frame, a sampling hydraulic rod is slidably connected to the inner side of the sampling driving hydraulic cylinder, a sampling punching pipe is fixedly connected to the bottom surface of the sampling hydraulic rod, and a sampling punching pipe is slidably connected to the inner side of the supporting bottom plate; the plane adjusting and supporting assembly is arranged on the top surface of the supporting bottom plate; the sliding guide assembly is arranged on the top surface of the supporting bottom plate; according to the device, through plane adjustment, sliding guide and the self-locking cleaning assembly, manpower is saved, deviation is prevented, cleaning is easy, and sampling accuracy is guaranteed.

The application relates to the technical field of geological exploration, and particularly discloses a portable exploration device for geological mineral resource exploration. The portable exploration device for geological mineral resource exploration comprises a threaded drill rod, a bottom opening circular groove is arranged at the bottom of the threaded drill rod, a circular through hole is arranged in the inner wall of the bottom opening circular groove, a pushing spring is fixedly connected to the top of the inner wall of the bottom opening circular groove, and an inner sliding circular plate is fixedly connected to the bottom of the pushing spring. The portable exploration device for geological mineral resource exploration can simultaneously sample whole ores and ore powder by arranging the bottom opening circular groove and the circular through hole at the bottom and the outer side of the threaded drill rod, prevents ore powder, which is crushed by the threaded drill rod, from accurately reflecting the geological mineral resource situation of the position and affecting the exploration effect, and when the annular baffle is driven by the ore to move upwards, the annular baffle covers and blocks the circular through hole of the ground, preventing a large amount of splashed mud produced when the threaded drill rod drills the earth from entering the area above the inner sliding circular plate in the bottom opening circular groove through the circular through hole and affecting use.

The utility model discloses a coal mine tunnel water control drilling device which comprises a fixed frame, a movable frame, a drilling rod, a hydraulic cylinder, a hydraulic cylinder, a hydraulic cylinder, a hydraulic cylinder, a hydraulic cylinder, a hydraulic cylinder, a hydraulic cylinder and a hydraulic cylinder, and is characterized in that the fixed frame is provided with a movable frame, and the movable frame can slide along the fixed frame; a guide rod is arranged on the protective cover, the guide rod movably penetrates through the movable frame and can move along the fixed frame and the movable frame in the same direction, and the drill rod penetrates through the protective cover; the mounting seat is fixed in the protective cover, a through hole for the drill rod to penetrate through is formed in the mounting seat, and a cleaning structure is arranged in the mounting seat; during drilling operation, the protective cover makes contact with the bottom face of the drilling position, physical obstruction is formed around the drill rod, the problem of safety danger caused by splashing muck is avoided, the installation base is arranged in the protective cover, the drill rod is cleaned in time through the cleaning structure on the installation base, and the drilling efficiency is improved. The situation that environmental pollution is aggravated due to equipment movement can be avoided, and the drill rod can be maintained in time.

The drill boom mechanism comprises a first shell, a first linear driving piece, a first rotary driving piece, a main drill rod and a monitoring piece, a first through hole is formed in the front end of the first shell, and a first sliding seat is arranged in the first shell in a sliding mode in the front-back direction; the first rotary driving part is installed on the first sliding seat, the first linear driving part is installed on the first shell and is in transmission connection with the first sliding seat, the main drill rod penetrates through the first penetrating hole, the tail end of the main drill rod is connected with the driving end of the first rotary driving part, and the monitoring part is arranged at the front end of the first shell. The first linear driving part drives the first sliding seat to drive the first rotary driving part and the main drill rod to move in the front-back direction, the first rotary driving part is used for driving the main drill rod to rotate, and the monitoring part is used for monitoring the run-out amount of the main drill rod in the radial direction when the main drill rod rotates. Therefore, the runout value of the main drill rod in the radial direction can be monitored in real time through the monitoring piece so as to judge whether the main drill rod has the risk of fracture or not.

The application discloses a top driving assembly for drilling and a drilling device, and belongs to the technical field of oil drilling equipment. The top driving assembly for drilling directly drives a main shaft by using a permanent magnet synchronous motor, and a gear reduction box is omitted. The assembly is integrated with a bearing box, a lubricating oil tank, a brake system and the permanent magnet motor from top to bottom, and is compact in structure. The main shaft is rotationally matched with the bearing box through bearings arranged in multiple steps. The lubricating oil tank is provided with a hollow part which is isolated from the space in the tank and through which the main shaft passes, so that oil pollution is prevented. The brake system is connected with the main shaft through a torque transmission pin and a brake shaft sleeve, and effective braking is realized. The device is mainly applied to land and ocean drilling, can significantly improve transmission efficiency, reduce maintenance cost, and is suitable for small drilling rig operation.

The invention relates to the technical field of geological drilling, and discloses a geological prospecting directional drilling device which comprises a base, a material receiving assembly, a rotary disc and a limiting frame, the rotary disc and the limiting frame are arranged on the base, the rotary disc is cylindrical, and the geological prospecting directional drilling device further comprises a plurality of containing grooves which are evenly distributed in the rotary disc with the circle center point of the rotary disc as the center; and the two sliding rods are arranged in each placement groove, and the sliding rods are elastically and slidably connected with the placement grooves. According to the invention, the sections of the bearing pieces are L-shaped, in the descending process of the drill rod due to the self-weight effect, the limiting piece and the two bearing pieces can be tightly attached to the two ends of the drill rod and limit the freedom degree of the drill rod in the falling process, the falling track of the drill rod is guided through the sliding rod and the bearing pieces, and active inclination of the drill rod in the free falling process can be limited; and the falling track of the drill rod is forced to vertically fall relative to the base by taking the preset inclination angle of the base as a reference, so that lap joint or material blockage is avoided.

The utility model relates to the technical field of screw drilling tools, in particular to an anti-erosion water cap for a screw drilling tool, which comprises a water cap, a vertical hole and a transverse hole, the vertical hole and the transverse hole are arranged in the water cap, coatings are arranged on the inner surfaces of the vertical hole and the transverse hole, and intersecting lines of the vertical hole and the transverse hole are chamfered. According to the utility model, the strength of the inner walls of the vertical hole and the transverse hole can be increased through the arrangement of the plating layer, the situation that the vertical hole and the transverse hole are quickly corroded and the service life of the device is influenced is prevented, and the intersecting line of the vertical hole and the transverse hole is chamfered, so that the contact area between the intersecting line and the plating layer is increased, and the use strength of the plating layer at the intersecting line is ensured; according to the water cap, the corrosion resistance of the interior of the water cap is further guaranteed, the erosion and corrosion prevention effect can be guaranteed by selecting hard chromium as the material of the plating layer and setting the strength of the hard chromium to be larger than 800 HV, the hard chromium is not prone to falling off due to the fact that the thickness of the hard chromium is set to be larger than 0.3 mm, and the corrosion resistance of the hard chromium can be guaranteed.

The invention discloses a mineral geological exploration device, which belongs to the field of mineral drilling, and comprises a drilling machine body, a vertical plate arranged on the drilling machine body, a lifting part and a traction part arranged on the vertical plate, and a downward drilling part arranged on the vertical plate and connected with the lifting part, the supporting table and the drill rod slip are fixed to one side of the drilling rig body and located below the vertical plate, and the drill rod slip is located below the supporting table; according to the scheme, the locking treatment assembly is arranged, and the joint of the two drill rods can be heated through the electromagnetic heating part; heat is firstly generated on the surface of the female buckle, the temperature of the female buckle is rapidly increased by utilizing an alternating magnetic field, so that the female buckle generates radial thermal expansion, the diameter of the female buckle is increased, and the thread fit tightness between the male buckle and the female buckle is instantaneously reduced within an extremely short time when the heat is not conducted to the inner-layer male buckle, so that the friction torque is greatly reduced, and conditions are created for subsequently applying the shackle torque; and the success rate of detaching the drill rod after the drill rod is stuck is improved.

The utility model discloses a mining drilling machine, and relates to the technical field of mining. The device comprises a fixed installation base and an outer frame, a moving assembly is arranged at the bottom of the fixed installation base, two installation grooves are symmetrically formed in the top of the fixed installation base in the length direction, adjusting screw rods are rotationally installed in the installation grooves respectively, a limiting connecting piece is arranged at the bottom of the outer frame, and the section of the limiting connecting piece is in an I shape. A limiting groove corresponding to the limiting connecting piece in shape is formed in the position, below the adjusting screw in the fixed mounting base, of the limiting connecting piece, a first supporting column is arranged at the top of the outer frame, and a drill bit body is mounted on the first supporting column through a transmission assembly. Through cooperation of the adjusting motor, the adjusting screw rod, the linkage gear and the first inner tooth adjusting belt, the position of the outer frame can be accurately adjusted, the drilling machine can adapt to different mine terrains and mining requirements, the precision of the drilling position and angle is improved, and therefore the mining efficiency and quality are improved.

The invention discloses coal mining drilling equipment and a using method thereof, and belongs to the field of drilling equipment. Comprising a pneumatic frame column drilling machine, and a drilling assembly is adjustably arranged on the pneumatic frame column drilling machine through a rotating unit; the drilling assembly comprises a fixing frame and a drill rod driven by power of a feeding device, a transmission assembly is assembled on the fixing frame, and a cleaning assembly and a detection assembly are sequentially arranged at one end of the transmission assembly in the axial direction of the drill rod; the drilling assembly is in synchronous linkage with the cleaning assembly and the detection assembly through the transmission assembly so as to achieve automatic cleaning and abrasion detection on the surface of the drill rod. According to the coal mining drilling equipment and the using method thereof, through positioning of the pneumatic frame column drilling machine, driving of the drilling holding assembly and linkage of the transmission assembly, integrated operation of drilling, cleaning and detection is achieved, and extra manual intervention is not needed. The cleaning assembly efficiently removes impurities in a multi-stage linkage mode, the detection assembly accurately recognizes tiny damage and gives an audible and visual alarm, faults are avoided, the labor intensity is lowered, and continuous, safe and accurate operation is guaranteed.

The present application relates to a kind of mining semi-automatic rock drilling jumbo, including vehicle body, drive assembly and vehicle-mounted hydraulic system being installed on vehicle body, fixedly arranged in the driving module of the vehicle body one side, detachably installed in the multi-stage telescopic arm of the driving module one side and by the vehicle-mounted hydraulic system control, rock drilling mechanism being installed on the multi-stage telescopic arm;Adopt one person driving one person remote control operation mode, two staff cooperate, reasonably control the distance and speed of rock drilling, and can find deviation in rock drilling process in time, and the present application is inserted into rock hole when drill bit cooling, make rock drilling mechanism keep stable posture, not because the vibration of equipment leads to deviation, facilitate drill bit and anchor rod are inserted into the same rock hole again continue operation.

The utility model relates to a vertical hole grinding drill for replacing large-aperture coring in an obstacle breaking area of an underground diaphragm wall, and solves the problems that the underground diaphragm wall is of a high-strength reinforced concrete structure, the drilling diameter is large, the drilling depth is large, and a traditional coring drill bit is insufficient in transmission torque in the process of drilling a construction hole in the underground diaphragm wall. The device comprises a drill bit, a drill rod is connected to the upper portion of the drill bit, the drill bit comprises a connecting section, a sleeve section and a grinding section from top to bottom, a grinding disc is arranged at the bottom of the grinding section, annular teeth are arranged on the circumference of the bottom face of the grinding disc, a plurality of grinding heads are distributed in the middle of the bottom face of the grinding disc, and water injection holes are formed in the positions, at gaps of the grinding heads, of the bottom face of the grinding disc. And an overflow slurry discharging channel is formed between the outer wall of the drill bit and the drill hole. The grinding head is arranged on the grinding disc on the bottom surface of the drill bit and is matched with an annular tooth structure of an original coring sleeve to grind the bottom surface of a drill hole and slowly push the drill hole, so that the drilling construction requirements of large-depth and high-strength materials are met.

The invention belongs to the technical field of mineral resource exploration, and particularly relates to an ultrasonic vibration assisted rock breaking device and a drilling method. The ultrasonic vibration assisted rock breaking device comprises a rack and loading system, a rotary drilling system, an ultrasonic vibration system and a measurement control system. Current is transmitted to a piezoelectric ceramic group through a conductive slip ring and a carbon brush of the ultrasonic vibration system, the piezoelectric ceramic group is excited to generate ultrasonic vibration, and amplified high-frequency vibration is continuously transmitted to a drill rod and a drill bit of the rotary drilling system which rotates at a high speed through an amplitude-change pole type ultrasonic vibrator; and rotation-vibration composite rock breaking is achieved. The method comprises the steps of preparing a rock sample and setting initial parameters, fixing the rock sample, applying axial drilling pressure, starting drilling fluid circulation, starting rotary drilling, starting ultrasonic vibration, and performing real-time monitoring and self-adaptive adjustment, the parameters can be adjusted in real time according to rock stratum changes, the rock breaking efficiency of the hard rock stratum is remarkably improved, the drilling load is reduced, and the drilling efficiency is improved. And the service life of the drill bit is effectively prolonged.

The geological drilling device for the water conservancy project comprises a base, adjusting assemblies are fixedly installed on the two sides of the top of the base, each adjusting assembly comprises a supporting frame, second motors are fixedly installed on the two sides of the bottom of the base, first synchronous wheels are fixedly installed at the output ends of the second motors, and second synchronous wheels are fixedly installed at the output ends of the first synchronous wheels. The front surface of the first synchronous wheel is in transmission connection with a synchronous belt, and the front surface of the synchronous belt is in transmission connection with a second synchronous wheel. According to the technical scheme, an existing hydraulic engineering geological drilling device usually conducts drilling operation in a manual or semi-automatic mode, after a drilling rod completes a drilling task and is taken out from the ground, a large amount of impurities such as mud and broken stone can be attached to the surface of the drilling rod, and the impurities can not only increase the weight of the drilling rod, but also improve the drilling efficiency. In addition, the existing drill rod connecting part may be abraded and corroded, so that the service life of the drill rod is shortened, and the maintenance cost of the equipment is increased.

The embodiment of the application provides a square drill hole pile hole forming equipment and method, wherein the equipment comprises a drilling machine shell, a central shaft drill rod is vertically arranged in the drilling machine shell, a rotating driving device is connected to the top end of the central shaft drill rod, a rotary excavator drill bit is connected to the bottom end of the central shaft drill rod, helical blades are fixed to the outer wall of the central shaft drill rod, the rotating driving device drives the central shaft drill rod, drives the rotary excavator drill bit to rotate and drill to form a circular hole, an impact driving device is arranged at the bottom of the drilling machine shell, four impact drill bits are connected to the output end of the impact driving device, the impact drill bits are arranged at the four corners of the bottom periphery of the rotary excavator drill bit, the impact drill bits vertically move up and down, reciprocating rock breaking is realized, the circular hole is reamed, and finally a square hole is formed. The application can realize full-automatic mechanical drilling, realize square hole forming at one time, has wide application range, small environmental pollution and low overall equipment cost.

This utility model relates to the field of oil and gas drilling technology, and in particular to a multifunctional drill pipe transport device for oil drilling. The multifunctional drill pipe transport device includes a frame, a moving mechanism, a supporting mechanism, a first cleaning mechanism, a second cleaning mechanism, and an oiling mechanism. The moving mechanism can drive the frame to move linearly back and forth between the pipe stack and the drill table. The supporting mechanism supports the drill pipe and moves it to the cleaning position. The first and second cleaning mechanisms are respectively located on both sides of the frame along its length to clean the male and female threads of the drill pipe at the cleaning position. The oiling mechanism is located on the first cleaning mechanism for clamping and oiling the male thread of the drill pipe. This device can complete the cleaning of both ends of the drill pipe while transporting it, avoiding the need for additional operations required by separating drill pipe transport and cleaning in the prior art, saving time and ensuring the cleanliness of the drill pipe joints.

A method of monitoring the wear of a drill bit of a drilling system is provided. The method includes drilling into a formation using the drill bit of the drilling system, obtaining a weight-on-bit ("WOB") from sensors of the drilling system, and obtaining a torque-on-bit ("TOB") from the sensors of the drilling system. A bit damage indicator ("BDI") is determined that is correlated with the wear of the drill bit based on a relationship between the WOB and the TOB.