7652 results about "Drilling machines" patented technology

The invention discloses a method, a system and a device for monitoring multifunctional parameters of a direct-current drilling machine, and relates to the technical field of manufacturing of industrial automatic control system devices. The method, system and device for monitoring the multifunctional parameters of the direct-current drilling machine comprises the steps that S1, various data are collected and subjected to standardization and normalization processing, and a standardized working condition data set is constructed; s2, multi-dimensional disturbance characteristics are analyzed, and the stability level of a drilling system is quantified; s3, evaluating a dynamic evolution trend of a working condition, and updating a risk level, a response strategy and a monitoring priority; and S4, identifying an abnormal state based on the key disturbance value and the trend evolution value, and generating a monitoring report. The problems that an existing direct current drilling machine display device is insufficient in key working condition feature extraction capacity, deep understanding and trend analysis of the equipment operation state are difficult to support, and then the early warning timeliness and judgment accuracy of the abnormal state are limited are solved.

The present invention relates to the technical field of drilling machines. Disclosed is a numerical control vertical drilling machine having an automatic chip removal function. The numerical control vertical drilling machine comprises a console. A workbench is mounted at the upper end of the console; a vertical plate is connected to the upper end of the console, and a moving frame is slidably connected to the side wall of one side of the vertical plate; a lifting / lowering assembly for driving the moving frame to move in a vertical direction is mounted on the vertical plate; a movable plate is slidably connected into the moving frame, and a moving assembly used for driving the movable plate to move horizontally is mounted in the moving frame; a machining head is mounted at the lower end of the movable plate; and a mounting bracket having an L-shaped section is connected to the side wall of one side of the console. The defects in the prior art are overcome in the present invention, and by means of mutual cooperation of structures such as the console, the workbench, the moving frame, the movable plate, the machining head, a cylinder, a moving plate, a first electric push rod, a cleaning brush, a motor, a lead screw, and a second electric push rod, chips generated after part machining can be automatically cleaned, so that the burden of cleaners is relieved, thereby improving the applicability of a device.

The invention relates to the technical field of pile foundation construction, in particular to a pile foundation pore-forming quality intelligent management and control method and system based on drilling machine working parameters, and the method comprises the following steps: constructing a data acquisition array, and obtaining key working parameters of a drilling machine and pile foundation pore-forming quality index data based on the data acquisition array; establishing a standard time sequence database; building a dynamic correlation model based on the standard time sequence database, and building a quality judgment standard of the pile foundation pore-forming based on the dynamic correlation model; dynamically predicting the pile foundation formed hole according to the dynamic correlation model to obtain the quality state of the pile foundation formed hole, and obtaining a quality deviation result of the pile foundation formed hole in combination with the quality judgment standard; and a regulation and control strategy of the drilling machine is constructed based on the quality deviation result, the key working parameters are adjusted according to the regulation and control strategy, and intelligent control over the quality of pile foundation hole forming is achieved. Intelligent control over the pile foundation hole forming quality is achieved through driving of the working parameters of the drilling machine.

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.

The disclosure relates to the technical field of tunnel excavation, in particular to a non-blasting tunnel boring machine and a tunneling method. The tunneling machine comprises a vehicle-mounted device (1), a rotational driving device (2), a translation device (40), a working disc (3), a foundation trench excavation device (4), a drilling and splitting device (5), a hazard removal device (50), a dust suppression device (6) and a material feeding device (7). The rotational driving device (2) is arranged on the vehicle-mounted device (1), the working disc (3) is connected with the rotational driving device (2), the rotational driving device (2) drives the working disc (3) to rotate around a center of the working disc, the foundation trench excavation device (4) is arranged on the working disc (3), the drilling and splitting device (5) comprises a drilling machine (51) and a rock splitter (52) both arranged on the working disc (3), the drilling machine (51) is suitable for drilling a hole in a tunnel face in an annular crack arrest groove, the rock splitter (52) is suitable for splitting the tunnel face, the hazard removal device (50) is arranged on the working disc (3), the dust suppression device (6) is arranged on the vehicle-mounted device (1), and the material feeding device (7) is used for receiving and conveying materials dropped during excavation.

The invention relates to a dynamic precision compensation control method based on an intelligent PCB drilling machine, and the method comprises the steps: collecting a dynamic parameter set in real time through a multi-source sensor group disposed on a drilling main shaft, the dynamic parameter set comprises displacement deviation caused by axial deformation of a main shaft, thermal deformation analyzed based on interlayer temperature gradient and frequency spectrum characteristics reflecting tool-material coupling vibration, and according to the multi-dimensional compensation vector and current drilling process parameters, a space trajectory correction instruction and a motion parameter optimization instruction are dynamically synthesized, so that the dynamic parameter set is obtained. Wherein the trajectory correction instruction reconstructs a real-time interpolation path through a B-spline curve, the motion controller receives a space trajectory correction instruction and a motion parameter optimization instruction, at least three times of compensation iteration are completed in a single drilling period, a linear motor and a spindle motor are driven to execute online precision compensation, and the execution delay of the compensation instruction is smaller than 2 ms.

The invention relates to the technical field of drill rod loading and unloading, and discloses a drill rod loading and unloading method for a drilling machine, which comprises a rotary speed reducer, a rotary arm, a turnover device, a clamping device and a drill rod box which are connected in sequence, and further comprises a swing mechanism and a transportation device, the transportation device is arranged at the upper end of the drill rod box, and the swing mechanism is arranged between the turnover device and the clamping device; the rack is provided with a first proximity switch, the rotary arm is provided with a first arc-shaped block and a second arc-shaped block, the support is provided with a second proximity switch and a third proximity switch, the turnover device is provided with a signaling block, and the rotary arm is provided with a receiver. The transporting device is arranged at the upper end of the drill rod box, so that the overall width of the drilling machine is reduced, meanwhile, the swinging device is matched to enable the drill rod clamped by the clamping device to swing into the clamping device above the rack, the moving distance of the drill rod in the axis direction of the rack is reduced, and then the length of the rack is reduced; the drilling machine can work in the environment of a narrow roadway of an underground coal mine, and the applicability of the drilling machine in different environments is improved.

The invention relates to the field of intelligent remote control, in particular to a digitization-based intelligent remote control method and a digitization-based intelligent remote control system for a drilling machine. The system monitors and collects drilling parameter data in real time through a sensor network, and transmits the drilling parameter data to a remote control server through a wireless communication network. In a remote control server, a data processing and analysis algorithm based on artificial intelligence and deep learning is used to carry out time sequence analysis and collaborative association feature description on the drilling parameter data, so as to capture context semantics among time sequence features of each drilling parameter. The bit pressure time sequence semantics are used as query features to query and match the optimal bit pressure recommendation decoding value from the other drilling parameter time sequence collaborative association features, and the bit pressure recommendation decoding value is compared with the bit pressure value at the current time point to generate a bit pressure remote regulation and control instruction, so that the bit pressure remote regulation and control instruction is quickly adapted to the change of geological conditions in the drilling process; and remote intelligent control of the drilling machine is realized.

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 relates to a directional shaped charge blasting optimization method based on big data analysis. The method comprises the steps that drilling parameters of a drilling machine in the tunnel blasting process are obtained; utilizing the drilling parameters to invert rock characteristics; determining blasting parameters based on the rock characteristics; and directional shaped charge blasting is carried out based on the blasting parameters, and the blasting effect is evaluated. By analyzing a large amount of data generated by the drilling machine in the drilling process, the blasting effect can be predicted more accurately, and therefore the blasting parameters are optimized. According to the method, the blasting efficiency can be improved, resource waste is reduced, and the safety of the blasting process is improved.

The grouting drilling orifice reinforcement construction method based on intelligent control comprises the five steps that S1, drilling machine parameter signals are collected through operation of a drilling machine, and meanwhile geological data signals are collected through in-hole detection equipment; s2, the drilling machine parameter signals and the geological data signals are input into an intelligent decision-making center for fusion processing, and geological sensing signals are generated; s3, based on the geological sensing signal, calling a preset decision-making model through the intelligent decision-making center for calculation, and generating a grouting control instruction signal; s4, grouting operation is executed according to the grouting control instruction signal, and meanwhile a grouting process monitoring signal is collected and fed back to the intelligent decision center in real time; and S5, after grouting is completed, hole opening stable monitoring signals are continuously collected, and when the effect evaluation signals do not reach the standard, reinforcing grouting signals are automatically triggered, and grouting operation is executed again. According to the intelligent die adjusting method for the die-casting machine, the problems that drill holes are prone to collapse, reinforcement depends on experience, and quality is difficult to control can be solved.

The invention relates to the technical field of machine tool machining, and discloses drilling equipment and a drilling process for nozzle pin hole machining, the drilling equipment comprises a support and a base, a drilling device and a lifting device are arranged on the support, a conveying device and a positioning device are arranged on the base, and a feeding conveying table and a discharging conveying table are arranged on the two sides of the base respectively; the drilling device comprises a control source, a plurality of drill bits and an adjusting part used for adjusting the positions of the drill bits, the lifting device comprises a first threaded rod and a transmission part, and the conveying device comprises a conveying belt and a moving part used for controlling the position of the conveying belt on the base. According to the drilling machine, the positions of the multiple drill bits are adjusted through the arrangement of the adjusting piece, workpieces are carried through the arrangement of the conveying belt, and therefore rapid machining and carrying of the workpieces are achieved, and the problems that when different workpieces are machined through a traditional drilling machine, matched cutter heads need to be frequently replaced, and the machining efficiency is high are solved. And machined workpieces need to be grabbed and placed through a mechanical arm, operation is complex, and the machining efficiency is affected.

The invention discloses a three-foot portable multi-angle underwater adsorption anchoring drilling device. The drilling machine feeding component is installed on the drilling machine main body platform in a vertically movable mode, the three-foot supporting component is composed of a main foot and an auxiliary foot, the main foot and the auxiliary foot are installed on the drilling machine main body platform in an angle-adjustable mode, the main foot and the auxiliary foot are each provided with a micro-needle rotational flow suction cup, and after the micro-needle rotational flow suction cups suck the wall face of a to-be-drilled structure, the micro-needle rotational flow suction cups suck the wall face of the to-be-drilled structure. The drilling machine feeding component drills a to-be-drilled structure, the drilling machine feeding component achieves feeding and resetting of the drilling machine through positive and negative rotation of the motor so as to adjust the drilling operation depth, and the three-foot supporting component can change the feeding angle of a drill bit so as to meet the operation requirements of different drilling angles. The multi-angle drilling device can achieve multi-angle drilling operation in the repairing process of surface cracks of dams with different curvatures, meanwhile has the operation capacity in the complex water flow environment, can replace manual operation and improve the operation efficiency, and is easy to carry and store, wide in application range, safe and reliable.

Disclosed is a contaminated site sampling robot and an intelligent sampling method thereof. The robot includes a body with a walking mechanism, vision sensing system, drilling mechanism, and negative-pressure suction mechanism. The walking mechanism features two servo motors within a mounting platform, with track wheels attached to the servo motors' output ends. The vision sensing system comprises a supporting frame at one end of the mounting platform, equipped with a vision sensing camera and radar sensor. The drilling mechanism consists of a U-shaped base on the mounting platform's top, with a mechanical arm and drilling machine mounted at one end. The negative-pressure suction mechanism includes a U-shaped box on the mounting platform's middle part, housing a vacuum cleaner whose dust outlet connects to a sample collecting box. This setup allows for optimal path identification, positioning, obstacle avoidance, and control of sampling conditions, facilitating intelligent sampling of contaminated sites.

The invention belongs to the technical field of automobile part machining, and particularly relates to a double-shaft numerical control deep hole drilling machine for automobile part machining, which comprises a base, two groups of movable frames are arranged above the base, machining shafts for performing deep hole drilling on a long shaft are arranged on one sides of the movable frames, and the two groups of machining shafts rotate in opposite directions; a fixing support is fixedly connected to the upper portion of the base, a clamping assembly for clamping and limiting a long shaft is arranged below the fixing support, the long shaft is positioned and clamped through movement of a plurality of sets of telescopic clamping rods, deep hole machining can be conducted on the shaft through a drill rod installed on a machining shaft, and in addition, the machining efficiency is improved. And through the arrangement of the auxiliary assembly, the axial extrusion force generated during drilling machining of the long shaft can be reduced to a certain extent, the situation that the long shaft is bent and even broken in the machining process is avoided, and the stability of double-shaft deep hole machining of the long shaft can be effectively improved.

The invention discloses an automatic drilling control method, system and equipment of a drilling machine and a storage medium, and belongs to the technical field of drilling machine control technologies. The automatic drilling control method of the drilling machine comprises the steps that if a drilling starting instruction is received, a power head is controlled to drive a drill bit to descend so that the drill bit can make contact with the ground; the power head is controlled to execute drilling operation; if the power head reaches the maximum stroke position and the drilling depth is smaller than the target depth, drilling operation is stopped, and the power head is controlled to be separated from the operation drill rod and ascends to the top of the mast; the manipulator is controlled to grab the alternative drill rods from the drill rod warehouse and move the alternative drill rods to preset positions; the power head is controlled to be connected with the tail of the alternative drill rod, and the power head is controlled to drive the alternative drill rod to descend and rotate; and after the head of the alternative drill rod is connected with the tail of the operation drill rod, the power head is continuously controlled to execute the drilling operation. Automatic drilling of the drilling machine can be achieved, and the operation efficiency is improved.

The invention discloses a drilling, sealing and grouting anchor rod, an intelligent drilling monitoring system and an integrated intelligent construction method. According to the anchor rod, 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 PDC drill bit and the round nut are installed at the head end and the tail end of the rod body respectively. 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; and the built-in mixer is inserted into the grouting channel. According to the system, a drilling machine is arranged outside a hexagon nut in a sleeving mode through a machine rod connector; the vibration sensor is mounted on the machine rod connector; the monitoring sensor group is installed on the drilling machine. The method comprises the steps that the drilling machine rotates forwards to drive the PDC drill bit to conduct drilling operation, and deslagging is conducted synchronously; pre-tightening is conducted through reverse rotation of the drilling machine; a built-in mixer is used for grouting operation; and carrying out plugging treatment. According to the anchor rod, drilling, hole sealing and grouting operation can be integrally achieved; the system and the method are favorable for improving the drilling efficiency, and the construction efficiency of support construction can be effectively improved.

The invention provides a coal mine gas extraction management and control method and system based on transparent geology, and the method comprises the following steps: integrating multi-source geological data, and constructing a transparent geological model which can reflect the actual geological condition in real time; based on geological information provided by the transparent geological model, calculating and optimizing key parameters of a drill hole in combination with coal and rock seeing parameters of a constructed drill hole to obtain preset drill hole design parameters; construction parameters and drilling parameters of drilling machine equipment are collected in real time; the drilling parameters are compared with the preset drilling design parameters; meanwhile, the drilling construction quality is analyzed and evaluated according to the construction parameters and the drilling parameters; and an extraction effect evaluation model and an extraction effect prediction model are constructed, gas parameters are collected in real time, and the gas extraction effect is evaluated. By means of the transparent geologic model, intelligent control over the whole coal mine gas extraction process is achieved.

The invention relates to the technical field of mold drilling, in particular to a hardware mold machining drilling machine which comprises a fixing plate and further comprises a replacement device, the replacement device is connected to the lower end of the fixing plate and comprises a cylindrical rod rotationally connected to the lower end of the fixing plate, and an intermittent driving mechanism is connected to the cylindrical rod. A circular plate is mounted at the lower end of the cylindrical rod, and a plurality of drilling mechanisms which are uniformly distributed in the circumferential direction are connected to the circular plate. According to the replacement device, automatic replacement of drill bits required by drilling can be achieved, all the drill bits required to be used need to be installed at the lower ends of the multiple rotating branch chains before drilling, the drill bits do not need to be manually installed and disassembled for multiple times during drilling, the drilling continuity of the hardware mold plate is ensured, and the drilling efficiency is improved. And the drilling efficiency is effectively improved.

The invention discloses a 12-axis PCB drilling machine AGV path planning system with an intelligent obstacle avoidance function, and relates to the technical field of path planning, a first machine learning model of an AGV chassis steering angle and a first machine learning model of a mechanical arm shaft joint angle are obtained through training according to historical AGV operation parameters and simulated workshop operation parameters; identifying ground flatness compensation, vibration compensation, gravity center shift compensation and light influence compensation according to the real-time workshop parameters, determining a proportionality coefficient by using an optimal sequence diagram method, and further determining a second machine learning model; and a control instruction for AGV chassis steering and mechanical arm joint movement is generated based on the second machine learning model. Through multi-source data fusion, a dynamic compensation mechanism and machine learning optimization, the accuracy, the obstacle avoidance capability and the system robustness of path planning are improved, and efficient and safe execution of a PCB drilling task is ensured.

The invention relates to the technical field of constructional engineering, and discloses a sandy gravel and bedrock area pile foundation drilling process which comprises the following steps: drilling data acquisition: acquiring drilling parameters of drilling pressure, drilling speed, drill bit temperature and vibration data in real time; the invention further provides a sandy gravel and bedrock area pile foundation drilling control system, and the system comprises a drilling data acquisition module which is used for acquiring data of drilling pressure, drilling speed, drill bit temperature and vibration parameters in real time; the invention further provides a drilling machine for drilling the pile foundation in the sandy gravel and bedrock area, and the drilling machine comprises a drill bit module used for striking and cutting a rock stratum and cooperating with a continuous crushing mechanism to conduct efficient drilling. By introducing the intelligent real-time feedback control system and the particle swarm optimization algorithm, automatic adjustment of the drilling pressure and the drilling speed is achieved, the drilling efficiency is improved, equipment abrasion is reduced, energy consumption is reduced, and the method effectively adapts to complex stratum changes.

The invention provides a non-stop production under-pressure tapping construction method for an oil pipeline, and belongs to the technical field of oil pipeline construction. The method comprises the steps that a tapping operation point is selected, and the wall thickness is measured; preparing an under-pressure welding short pipe and a valve; welding a short pipe on the oil pipeline under pressure, and determining optimal welding current, voltage and welding speed by adopting a welding parameter game model; installing a valve and carrying out a strength test; assembling the tapping machine and connecting the tapping machine with the valve; carrying out overall air tightness inspection; pressure tapping operation is executed, and the tapping speed and the feeding amount are adjusted in real time through the tapping operation parameter optimization model; returning the cutter and closing the valve after tapping; and dismantling the tapping machine to finish the operation. According to the scheme, the problems existing in the prior art are effectively solved, the reliability and safety of under-pressure trepanning construction are greatly improved, meanwhile, the operation efficiency is remarkably improved, and the problems that in an existing under-pressure trepanning technology, the welding quality is still difficult to control, and the trepanning process is uncontrollable are solved.

The invention provides a dual-motor automatic feeding core drilling machine and a control method thereof. A main shaft motor module and a feeding motor module of the automatic feeding core drilling machine are distributed on the two sides of a rotary feeding composite module, and the main shaft motor module and the feeding motor module are mechanically connected at the tail end of a driving motor. And the automatic feeding drill controller and the composite cable connector are concentrated on the right lower side of the equipment. The main shaft motor module and the feeding motor module respectively provide power sources for the rotating motion and the feeding motion of the screw rod for the rotating and feeding composite module, so that the rotating speed and the feeding speed of the screw rod are controlled; the screw rod drives the drill bit to do controlled rotary feeding motion, and drilling machining is completed; the main shaft motor realizes output of two power transmission paths of the main shaft motor module through switching of forward rotation and reverse rotation, and realizes invariable-speed output and 2.5-3.6-time acceleration output of the main shaft motor module through cooperation of different gear sets. Coverage of different rotating speeds and feeding speeds can be achieved on the gear set layout, and a stable closed structure, a reasonable hand holding space and a convenient operation mode are achieved.

The invention relates to the technical field of energy consumption management, and particularly discloses a 12-axis PCB drilling machine energy consumption management system based on resource dynamic scheduling, which collects input and output differential current data and power factor change rate data in real time by deploying a current sensor and a power monitoring module on each motion axis driver; a current anomaly characteristic value and a power stability characteristic value are extracted through a Bayesian point-of-change detection algorithm and a Hilbert-Huang transform method, and a composite energy consumption anomaly characteristic vector is constructed; the random forest model is combined to intelligently score the energy consumption state of each shaft, the working mode of the abnormal shaft is dynamically adjusted according to the scoring result, and self-adaptive scheduling and optimization of energy consumption are achieved; the system continuously optimizes operation parameters through a closed-loop feedback mechanism, the energy consumption of the whole machine is effectively reduced on the premise of guaranteeing the processing efficiency, the intelligence, refinement and greenization levels of equipment operation are improved, and the system has good engineering application value and popularization prospects.

The invention relates to the technical field of hardware machining, and discloses a drilling machine for precise hardware machining and a using method thereof.The drilling machine comprises a containing table, a connecting frame is fixedly connected to the top of the containing table, two clamping blocks are slidably connected to the top of the containing table, and an electric telescopic rod is started to push a sliding block to descend; when a workpiece is drilled, a rotating rod and a drill bit descend to be close to the workpiece, meanwhile, a motor is started to drive a second belt wheel to rotate, a transmission belt rotates, the rotating rod and the drill bit rotate to drill the workpiece, meanwhile, when the rotating rod rotates, a round ball rod can rotate around the center of a fixed circular ring, the round ball rod can incline, and a first connecting ring can be pulled by the round ball rod; the first connecting ring is moved downwards to descend, so that an extrusion ring descends, an extrusion plate descends, cooling liquid in a liquid storage tank is extruded, the extruded cooling liquid is sprayed out through a communicating hole to flush the surface of the drill bit, and therefore chippings attached to the surface of the drill bit are reduced, and the abrasion speed of the drill bit is effectively reduced.

The utility model provides an efficient drill bit for a mine drilling machine, which belongs to the technical field of drill bits and comprises a drill rod and a drill bit body arranged on the drill rod, a flange ring is mounted on the outer wall of one end of the drill rod, and a fixing seat is arranged at one end of the drill rod. According to the utility model, the crushing teeth arranged on the drill bit body are matched with the buffer springs, so that the positions of the crushing teeth can be effectively and automatically adjusted according to the hardness of external rocks and the drilling pressure, thereby reducing greater abrasion of the crushing teeth caused by hard rocks or abnormal loads, prolonging the service life of the drill bit, and improving the drilling efficiency at the same time; the spiral blade arranged outside the drill rod close to one end of the mounting seat continuously lifts the waste drilling fluid between the drill rod and the well wall in the process of synchronously rotating along with the drill rod, so that rock debris can be quickly and effectively removed from a drill hole, and the rock debris is prevented from being accumulated at the bottom of a drill bit to reduce the rock breaking efficiency; meanwhile, friction between the drill bit and rock is reduced, abrasion of the drill bit is reduced, and the drilling effect of the drill bit is improved.

The invention discloses a rapid mechanical breaking device and method for a cast-in-place pile head, the device comprises a polisher, a small drilling machine, a pile breaking machine and a hydraulic shear, the polisher is used for polishing the pile head to find out the position of a main reinforcement, the small drilling machine is used for drilling to assist the pile breaking machine in positioning, and double drill bits of the pile breaking machine crush concrete inside and outside to form a hollow cylinder wall; and the hydraulic shear crushes the cylinder wall concrete and peels the main reinforcements to realize efficient breaking of the pile head. The operation method comprises the following steps: firstly, polishing a pile head by using a polisher, marking the position of a main reinforcement and determining a pile head center positioning point; then, a hole is drilled in the center point so as to assist the pile breaking machine in accurate positioning; then, the pile breaking machine rotates at a high speed and presses downwards, cutting teeth at the bottom ends of double drill bits of the pile breaking machine crush the concrete under the action of rotary cutting force, and a hollow cylindrical outer wall is formed; and finally, the outer wall concrete is sheared, pressed and crushed by a hydraulic shear to strip out main reinforcements, and pile head breaking is completed after cleaning. Compared with a traditional manual air pick breaking mode, the multi-machine cooperation greatly improves the construction efficiency and safety, is especially suitable for breaking pile heads of large-diameter cast-in-place piles, remarkably reduces the construction cost and improves the operation efficiency and precision.

The invention discloses a dust raising prevention sampling device and method for geological mineral exploration, and particularly relates to the technical field of geological exploration, the device comprises a drilling assembly, a drilling pipe assembly, a sampling inner pipe and an extraction rod, the drilling assembly comprises a drilling machine and a feeding driving frame, the drilling pipe assembly comprises a section of primary drilling pipe and a plurality of sections of secondary drilling pipes, the sampling inner pipe is arranged in the primary drill pipe, a plurality of groups of elastic pressing strips are arranged at the bottom end of the sampling inner pipe, and a tightening controller is further arranged on the outer side of the bottom of the sampling inner pipe. When the sampling inner pipe is lifted, the tightening controller extrudes the bottom end areas of the elastic pressing strips, so that all the elastic pressing strips are bent and deformed inwards, a soil sample entering the sampling inner pipe is extruded to a certain extent, and the carrying capacity of the soil sample is improved; furthermore, the soil sample in the sampling inner pipe can be effectively taken out when the sampling inner pipe ascends, and the sampling integrity and accuracy are greatly improved.

The invention is suitable for the technical field of part machining, and provides a hardware part machining drilling machine which comprises a base and a three-jaw chuck arranged on the base, and a control frame is further installed on the base in a sliding mode. The drilling mechanism comprises a lifting frame, a supporting box, a control box, a spraying box, a driving motor and a drill bit, the lifting frame and the control frame are in sliding connection through a lifting assembly, and a rotating speed type flow control assembly and a pressure type flow control assembly are further arranged in the containing cavity and the spraying box correspondingly; through the arrangement of the drilling mechanism, the problems that when an existing drilling machine is used, cutting fluid is sprayed at will and cannot be accurately sprayed to a drilling position, so that a drilling structure is prone to overheating, meanwhile, the spraying amount of the cutting fluid cannot be adjusted according to the hardness of a to-be-machined part, and the drilling efficiency is improved are solved. The phenomenon of waste or insufficiency of the cutting fluid is easy to occur, and certain limitation exists.

The invention relates to a cleaning structure of a radial drilling machine, and belongs to the technical field of cleaning devices of radial drilling machines. The device comprises a cleaning assembly and a collecting assembly, the cleaning assembly comprises a top pushing part, and the top pushing part is used for being installed on the top of a workbench in a left-right sliding mode; the collecting assembly comprises a collecting box with an open top end; the cleaning assembly further comprises a side pushing piece, the side pushing piece is fixedly connected with the top pushing piece, and the side pushing piece is used for being installed on the front side of the workbench in a left-right sliding mode. The collecting box is used for being installed in an inner cavity of the workbench in a left-right sliding mode, and a feeding hole is formed in the front side wall of the collecting box. The collecting assembly further comprises a guiding piece, the guiding piece is used for being installed on the right side wall of the workbench and located in front of the collecting box, the guiding piece is provided with a guiding face, and the guiding face inclines downwards from front to back. The top and the side portion of the workbench can be cleaned at the same time, cuttings falling from the side portion can be collected, and the cuttings cleaning and collecting effect is better.