2104 results about "Drilling machines" patented technology

The invention discloses a petroleum drilling machine equipment intelligent alarm method based on video real-time display, and belongs to the technical field of petroleum exploitation equipment monitoring, and the method comprises the steps: obtaining the operation video of a key part of petroleum drilling machine equipment, and transmitting the operation video of the key part to a monitoring center; in the monitoring center, preprocessing the operation video of the key part to eliminate the influence of illumination disturbance, and carrying out key part identification and behavior analysis on the preprocessed operation video of the key part by using an equipment part detection and behavior analysis algorithm based on deep learning to obtain a detection result of the key part; and based on the detection result of the key part, the display alarm and the sound-light alarm of the abnormal type and the occurrence position are triggered in real time, and the alarm information is sent to the handheld terminal of the driller. According to the method, intelligent fault detection and alarm are realized, manual intervention is reduced, the comprehensiveness of equipment monitoring is improved, and the accuracy and timeliness of alarm are improved.

The invention belongs to the technical field of geotechnical engineering drilling, and particularly relates to an instant pipe-following anti-falling object device for broken stratum drilling, which comprises a drilling machine power head and a drilling rod, a drill bit is arranged at one end of the drilling rod, an inner wall protection sleeve is arranged outside the drilling rod, and the inner wall protection sleeve is connected with the drilling machine power head through a linkage assembly. An outer wall protection sleeve is arranged outside the inner wall protection sleeve, the outer wall protection sleeve and the inner wall protection sleeve are connected through an elastic assembly, a sliding fit clearance cavity is formed between the outer wall protection sleeve and the inner wall protection sleeve, and a sliding guide assembly and a permanent magnet assembly are arranged in the sliding fit clearance cavity; a sensing assembly and a propelling assembly are arranged on the drill rod; according to the device, by integrating the linkage assembly, the elastic assembly, the permanent magnet assembly and the central controller, instant synchronous movement of the wall protection sleeve and the drill bit is achieved, hole wall collapsing objects are effectively blocked, drill burying and drill jamming accidents are completely eradicated, and the construction efficiency is improved.

The utility model discloses a tunnel punching device, which belongs to the technical field of tunnel machinery and comprises a bearing plate, a drilling machine, a driving mechanism, a driving mechanism and a driving mechanism. The slag receiving cylinder and the water storage tank are both arranged on the bearing plate, and the drill bit movably penetrates through the bottom wall of the slag receiving cylinder; the annular pipe is arranged on the periphery of the slag receiving cylinder, and a plurality of spray heads are communicated with the annular pipe; the conversion cylinder is arranged on the water storage tank, and the conversion cylinder is connected with a linkage mechanism; according to the scheme, most disintegrating slag generated during punching can fall into the slag receiving cylinder, so that the threat of falling objects is reduced, and the safety protection effect is improved; meanwhile, under the cooperation of the linkage mechanism and the driving mechanism, water in the water storage tank is guided into the conversion barrel through the linkage mechanism, then the water is sprayed out through a spray head on an annular pipe, the sprayed water can conduct dust falling treatment on the periphery of the punching position, and the construction environment and the health of workers are better protected; and moreover, the shielding of dust on the sight line can be reduced, and the punching quality and effect are greatly improved.

The invention provides an impact rotary drilling hydraulic control system of a dinting machine, which belongs to the technical field of hydraulic control systems and comprises a variable pump, a pilot oil source control valve group, a proportional multi-way valve, a shuttle valve I, a one-way pressure reducing valve, a shuttle valve II, a drilling machine pilot handle group, an impact rotary drilling machine, a bidirectional hydraulic lock and a drilling machine feeding oil cylinder. According to the hydraulic control system for percussive rotary drilling of the dinting machine, the percussive rotary drilling machine can perform stepless speed regulation between two speeds, high-frequency percussive or low-frequency percussive operation can be flexibly used according to rock stratum and geological working conditions, the application range of equipment is greatly widened, and the hydraulic control system can be used for rock stratums with high hardness, weathered rock stratums and hard and brittle geology. And during low-frequency impact operation, one-key linkage operation can be realized, namely, the functions of feeding, rotating and impacting of the drilling machine can be completed by operating the impact pilot handle.

The invention discloses an engineering surveying and positioning method and system based on Beidou. The method comprises the following steps: S1, establishing an oil field operation environment three-dimensional model, and performing satellite visibility and multipath prediction; according to the invention, by constructing a multi-path geometric model and a dual-antenna array discrimination and weighted suppression algorithm, reflection interference caused by a metal facility dense environment in a well site and a station site is effectively weakened; by fusing a local DEM terrain model and earth surface reflection characteristics and introducing vertical Kalman filtering, the stability and precision of Beidou elevation calculation are significantly improved; under the scene of insufficient visibility such as shielding of a drilling machine and large equipment, continuous and high-reliability positioning capability is kept through a tight coupling fusion strategy of IMU and vision assistance, so that high-robustness and high-precision Beidou engineering measurement positioning can be realized in a complex environment of an oil field.

The utility model discloses a portable anchor rod drilling machine angle gauge, and belongs to the technical field of anchor rod and anchor cable construction in underground roadway supporting. The portable roofbolter angle gauge comprises a connecting block body, a flexible lock belt, a buckle, a vertical ruler, a plumb line and an angle graduated scale, two ends of the connecting block body are respectively connected with a flexible lock belt, and one end of the flexible lock belt is provided with a buckle; the lower part of the connecting block body is vertically connected with the vertical ruler, the plumb line is fixed below the connecting block body, and the connecting block body fixes the angle gauge on the jumbolter through the flexible locking belts and the buckles on the two sides; the angle graduated scale is vertically connected with the vertical ruler. The device is simple in structure, low in cost, small in size and convenient to carry; the anchor rod angle positioning device can be conveniently and tightly attached to an anchor rod drilling machine, accurate positioning of the angle of an anchor rod is rapidly achieved, the construction precision of the angle of an anchor rod cable is greatly improved on the premise that construction is not affected, and powerful guarantee is provided for exerting the efficiency of a supporting structure.

The invention relates to the technical field of drilling, and provides a roofbolter feedforward-feedback model-free adaptive tracking control method and system based on rotation force. According to the method, a valve-controlled hydraulic propulsion control model for driving a hydraulic cylinder and a corresponding reversing valve in the working process of the hydraulic jumbolter is established, and a nonlinear autoregressive moving average model between the propulsion force in the working process of the hydraulic jumbolter and the output driving current of the reversing valve is obtained through the valve-controlled hydraulic propulsion control model; through a nonlinear autoregression moving average model of the hydraulic jumbolter, an output identification observer deployed with a data-driven adaptive control algorithm of the hydraulic jumbolter is established, and the output identification observer performs adaptive tracking control on the working state of the hydraulic jumbolter through the deployed data-driven adaptive control algorithm. The tracking control problem of the valve control electro-hydraulic servo unit under the complex working condition is effectively solved.

The invention discloses a dual-mode control switching method for unattended reconstruction of a rotary drilling rig, and particularly relates to the technical field of mechanical equipment mode switching, and the method specifically comprises the steps of S1, switching request triggering and instruction freezing, S2, full-state snapshot generation and synchronization, S3, three-level progressive arbitration decision, and S4, dual-factor verification and switching execution. And S5, network fluctuation fault tolerance. According to the invention, through overall planning of the vehicle-mounted controller, after a switching request is received, an instruction is frozen, full-state snapshots including sensor data, operation links, equipment health and environment data are synchronized, and switching is completed through three-level arbitration including safety state judgment, authority network verification and target end confirmation and then double-factor recheck. Safe seamless switching between a remote mode and a local mode can be achieved, the situations of instruction conflicts and information faults are avoided, the operation efficiency is improved, fault-tolerant processing is carried out on scenes such as network fluctuation and emergency takeover, and the reliability and safety of unattended operation are further improved.

The invention provides a drilling machine electric control self-adaptive control method and system combined with artificial intelligence, and relates to the technical field of artificial intelligence, and the method comprises the steps: firstly collecting drilling geological data and drilling working condition data, and then carrying out the coupling feature extraction processing of the drilling geological data and the drilling working condition data to generate a geological working condition coupling feature set; inputting the geological condition coupling feature set into a pre-trained electric control parameter evolution model to generate a control parameter set, transmitting the control parameter set to an execution component, and collecting feedback data; finally, the feedback data and the feature set are correlated and compared, and the internal parameters of the model are adjusted. The self-adaptive control of the electric control system of the drilling machine is achieved, the control parameters can be dynamically adjusted according to the real-time geological working condition, the self-learning and optimizing capacity is achieved, the drilling efficiency is improved, safety is guaranteed, and the cost is reduced.

The invention relates to the technical field of radial drilling machines, in particular to a radial drilling machine for machining an electric aluminum shell, which comprises a stand column part, a rocker arm part capable of rotating around the stand column part and moving up and down, and a spindle box capable of moving along the length direction of the rocker arm part, the feeding outer pipe is controlled to ascend and descend through the spindle box, and the rotating inner shaft is controlled to rotate through the spindle box while synchronously following the lifting movement of the feeding outer pipe. The machining efficiency of the electric power aluminum shell is greatly improved, the position of the drill bit part relative to the electric power aluminum shell is more stable through the arranged center inserting cylinder, and the problem that a radial drilling machine is poor in stability is solved.

The invention relates to underground enclosure grouting reinforcement equipment and a reinforcement process, and relates to the technical field of grouting reinforcement, the underground enclosure grouting reinforcement equipment comprises a drilling machine, a drilling rod is installed in the drilling machine, a drill bit and a feeding pipe are installed at the two ends of the drilling rod respectively, and the spraying angle of a discharging pipe can be accurately controlled underground through a gear and rack transmission mechanism; therefore, the grout can be sprayed to a specific soil layer or crack needing to be reinforced in a targeted mode, accurate striking and local strengthening of soft and loose areas are achieved, blind flowing and waste of the grout in non-target areas are greatly reduced, the grout wastage rate is effectively reduced, the reinforcing effect is guaranteed, meanwhile, grouting materials are saved, and the grouting cost is reduced. And the construction cost is reduced.

The utility model relates to the technical field of tunnel construction, and discloses a tunnel punching device which comprises a vehicle plate, a bearing seat is fixedly mounted at the top of the vehicle plate, a multi-axis mechanical arm is fixedly mounted at the top of the bearing seat, and a tunnel punching mechanism is fixedly mounted on the multi-axis mechanical arm; the tunnel punching mechanism comprises a mounting base, a first hydraulic cylinder, a mounting plate, a drilling machine, a drill bit, an electric telescopic rod, a stop block, a laser distance measuring sensor, a guide sliding plate and a propping plate, the mounting base is fixedly mounted on the multi-axis mechanical arm, a first groove is formed in the side, away from the multi-axis mechanical arm, of the mounting base, and the first hydraulic cylinder is fixedly mounted in the first groove; the mounting plate is fixedly mounted at the output shaft end of the first hydraulic cylinder. Compared with the prior art, the tunnel drilling device has the following advantages and effects that a hole with the needed depth can be accurately drilled in the wall in the tunnel according to the requirement, operation is easy and convenient, the working efficiency is improved, and the accuracy of the drilling depth is ensured.

The invention relates to the technical field of intelligent monitoring, and particularly discloses a built-in drilling machining axial force monitoring method and system.The method comprises the steps that multi-channel original force signals are synchronously collected through a plurality of annular piezoelectric type force sensors connected with a spindle mounting bolt in series, and filtering, normalization and abnormity elimination preprocessing are conducted on the multi-channel original force signals; the method comprises the following steps: eliminating abnormal data by adopting consistency verification, dynamically distributing weights in combination with historical reliability of a sensor, performing fusion calculation on a total axial force value, dynamically setting a self-adaptive early warning threshold value based on learning samples of first 10 holes, performing real-time optimization, analyzing reading distribution uniformity and pre-tightening force deviation of the sensor, and identifying an eccentric load and bolt abnormality. Through closed-loop control of a standard interface and a machine tool numerical control system, machining parameters are adjusted in a graded mode or sudden stop is triggered. According to the method, the axial force monitoring precision and the anti-interference capability are improved, the early warning false alarm and missing alarm rate is reduced, the equipment health diagnosis function is expanded, the machining quality and the equipment safety are guaranteed, and the method is suitable for high-end equipment drilling machining scenes.

The invention provides a drilling operation method adopting a pipe shed drilling machine, and belongs to the technical field of drilling operation of drilling machines. Initial positioning deviation is controlled through three-dimensional positioning calibration of a guide pipe and a space stabilization structure, drilling track deviation correction is achieved through real-time monitoring of a hole inclination angle and an eccentric drilling tool; the method comprises the following steps: dynamically adjusting drilling parameters according to a geological radar detection lithology type, establishing a slurry seepage diffusion fluid-solid coupling model to calculate a slurry diffusion radius and a filling rate, establishing a double-layer game optimization model to solve a Nash equilibrium point of grouting pressure and a slurry water-cement ratio, and adopting double-slurry pre-plugging combined with superfine cement reinforcement for a fracture zone. A drill rod and stratum interaction finite element model is established to recognize the dangerous section position, and a stabilizer or a thickened drill rod is additionally arranged, so that the technical problem that grouting reinforcement parameters and drilling track control precision are difficult to optimize synchronously in the pipe shed drilling process is solved.

The invention discloses a tunnel plateau complex geology accurate exploration method based on ultra-deep horizontal drilling, which comprises the following steps: step (1) horizontal drilling layout: selecting a construction site on the ground of a to-be-tunneled tunnel, and planning a horizontal drilling track along a tunnel line; (2) horizontal drilling and multi-dimensional geological exploration are constructed, specifically, according to the planned horizontal drilling track, a petroleum drilling machine is used for constructing horizontal drilling; logging operation is carried out in the horizontal drilling construction process, and comprehensive logging and transient electromagnetic detection are carried out after horizontal drilling construction is completed; and step (3), integration and analysis of geological exploration data information: integrating and analyzing the data information collected by multi-dimensional geological exploration, determining geological conditions along the tunnel line, and identifying geological abnormal sections. According to the invention, the problems of discontinuous exploration and poor accuracy of traditional vertical drilling and geophysical prospecting means can be solved, and high-precision and continuous exploration of geological conditions near the tunnel line is realized.

The invention relates to the technical field of tunnel construction machinery, and discloses a tunnel cable trough side wall automatic drilling machine and a control system thereof. The automatic drilling machine comprises a bestriding type walking chassis of an inverted-U-shaped portal structure, and the bestriding type walking chassis is configured to bestride the upper portion of a wall to move; the Z-axis lifting module is vertically mounted on one side of the chassis; the posture turnover mechanism is mounted on the Z-axis lifting module in a sliding manner; and the drilling execution module synchronously rotates along with the posture turnover mechanism. The control system runs a task scheduling unit, a multi-source sensing positioning unit, an attitude resolving control unit, a drilling self-adaptive execution unit and the like. Through cooperation of the bestriding type walking chassis, the Z-axis lifting module and the posture turnover mechanism, the bestriding type walking chassis bestrides the side wall of a tunnel cable trough or the upper portion of a concrete retaining wall and moves in the extending direction of a wall body, and the drilling requirements of different working faces of the side wall and the top face can be met without disassembling and assembling equipment; and the construction flexibility is improved.

A dust-free dust removal system of a mine drilling machine relates to the technical field of air purification and comprises a dry dust removal part and a wet dust removal part. The system integrates the advantages of a dry type dust removal technology and a wet type dust removal technology, the water flow is adjusted through air pressure, air pressure and hydraulic oil pressure, dust removal is more accurate, full-particle-size dust is covered, the system adapts to various working conditions, maximum health guarantee is achieved for staff, the service life of a drilling tool and a filter element can be greatly prolonged, and oil consumption is reduced.

The invention relates to the technical field of drilling machine cooperative control, and discloses an efficient rock breaking and slag discharging cooperative control system of a mining crossing bottom angle drilling machine. The system is integrated with a data acquisition assembly, an intelligent analysis assembly and a regulation and control assembly. The data acquisition assembly collects vibration signals and deslagging parameters in the rock breaking process of the drilling machine in real time, and a rock breaking oscillogram and a state description text are generated based on the signals and the parameters. A multi-modal recognition model and a mechanism simulation model are arranged in the intelligent analysis assembly, the multi-modal recognition model jointly processes the rock breaking oscillogram and the state description text to output rock breaking working condition classification, and the mechanism simulation model analyzes characteristic parameters from the rock breaking oscillogram, matches the characteristic parameters with a standard mechanism library and outputs a working condition matching result. And the regulation and control assembly performs comprehensive evaluation according to output classification and matching results of the intelligent analysis assembly, generates a drilling machine control command and optimizes the rock breaking and slag discharging process. According to the system, intelligent cooperative control over rock breaking and slag discharging is achieved.

The invention discloses a drilling machine guiding and drilling optimization method and system based on real-time geological model self-adaptive updating. The method comprises the steps that underground multi-dimensional data are sensed in real time through an underground intelligent sensing and regulation subsystem; using the physical information neural network model to update the digital twinborn body in the drilling process in real time; prospectively optimizing a drilling strategy in the updated digital twinborn body to obtain an optimal drilling control parameter combination; and finally, cooperatively controlling the ground drilling equipment and the underground drilling tool to execute the optimization instruction in a closed loop manner. The system correspondingly comprises an underground intelligent sensing and regulation subsystem, a ground digital twinning and optimization decision subsystem and a ground drilling machine automatic control execution subsystem. According to the method, the influence caused by geological uncertainty can be overcome, passive well drilling response is changed into active predictive control, and the efficiency, safety and economical efficiency of well drilling operation are effectively improved.

The utility model relates to a mining angle-adjustable deep hole drilling machine. The mining angle-adjustable deep hole drilling machine comprises a crawler, a hydraulic arm, a connecting seat, a supporting frame, a driving mechanism, a lifting block, a drill rod, a drilling motor, a drill bit and a guide frame. A hydraulic arm is installed on the crawler, a connecting base is arranged at the end of the hydraulic arm and can be adjusted in the left-right direction under the action of a hydraulic rod, and a supporting frame is rotatably installed on the left side and can achieve angle adjustment in the front-back direction through a driving mechanism. The lifting block ascends and descends along the supporting frame under constraint of the guide frame, the lower side of the lifting block is connected with the drill rod and the drill bit, and the drilling motor drives the drill rod and the drill bit to rotate to complete drilling operation. According to the structure, multi-direction automatic leveling and precise drilling of the drilling machine under the uneven terrain are achieved, the adaptability, precision and safety of drilling operation are improved, and the drilling machine is suitable for deep hole drilling operation under complex working conditions such as mines.

The utility model relates to a plate drilling machine which comprises a workbench, a groove is formed in one side of the workbench, a longitudinal lead screw sliding table guide rail module is arranged at the bottom in the groove, a vertical lead screw sliding table guide rail module is arranged at the top of a sliding block of the longitudinal lead screw sliding table guide rail module, and a transverse lead screw sliding table guide rail module is arranged on the front side of a sliding block of the vertical lead screw sliding table guide rail module. A motor base is arranged on the front side of a sliding block of the transverse lead screw sliding table guide rail module, a drilling motor is installed in the motor base, a drill bit is installed at the bottom of an output shaft of the drilling motor, the drill bit is sleeved with an annular liquid spraying pipe, a plurality of nozzles are evenly distributed on the circumference of the bottom of the liquid spraying pipe, and an electric push rod for driving the liquid spraying pipe to ascend and descend is arranged at the bottom of the motor base. A machining groove is formed in the top of the workbench, a plate fixing mechanism is arranged in the machining groove, and a cooling liquid recycling mechanism connected with the machining groove is arranged in the workbench. The drill bit can be flexibly adjusted according to the shape and the size of a plate, the drilling precision and efficiency are improved, and the complex machining requirement is met.

The utility model belongs to the field of mining drilling machines, and relates to an asynchronous rotating device for adjusting the inclination angle of a drilling machine, which comprises a lifting sleeve serving as a carrier of the asynchronous rotating device; the lifting oil cylinder is used for installing the lifting sleeve on a rotary platform of the drilling machine in a vertical lifting manner; the transporter gyrator is mounted on the lifting sleeve and is configured to adjust the inclination angle of the drill rod transporter; the dip angle gyrator is installed on the lifting sleeve, the dip angle gyrator and the transporter gyrator are located on the same side of the lifting sleeve, and the dip angle gyrator is configured to adjust the dip angle of the rack; wherein the transporter gyrator and the dip angle gyrator can be operated independently so as to adjust the dip angle of the drill rod transporter and the dip angle of the rack respectively. The asynchronous rotating device is introduced, so that the inclination angles of the drill rod transporter and the rack can be independently adjusted. Therefore, the drilling inclination angle range can be expanded to the whole circumference, the flexibility of the drilling machine is greatly improved, and more complex drilling requirements are met.

The invention discloses a coal mine drilling machine fault diagnosis and early warning system based on edge calculation. The coal mine drilling machine fault diagnosis and early warning system comprises a signal acquisition module, an edge calculation unit, a data storage module, a fault analysis module, an early warning module and a remote communication module. Drilling machine operation state data are collected in real time through the vibration, temperature, pressure and current detection unit, real-time analysis is locally completed through the edge calculation unit in combination with temperature, humidity and dust concentration parameters collected by the environment monitoring module, and the fault analysis module judges abnormity and predicts faults through the mode recognition and trend prediction technology. The early warning module reminds an operator through a sound-light alarm and a display screen. According to the system, the real-time performance and the accuracy of fault diagnosis are remarkably improved, the influence of equipment faults on the production efficiency is reduced, and meanwhile the safety of coal mine operation is enhanced.

The invention discloses a drilling machine and a control system and method thereof, and belongs to the technical field of engineering machinery. The drilling machine comprises a drill bit, a propelling beam, a vehicle body and a large arm. The positioning device is used for acquiring or calculating positioning data of the drill bit; the interaction device is used for being operated by a user to set or display data; the control device is used for controlling the interaction device to display drilling guide information according to the positioning data of the positioning device; wherein the positioning device and the interaction device respectively form data interaction with the control device. The control method comprises the steps that the control device calculates coordinate values of a drill bit according to positioning data, obtained by the positioning device, between all the parts of the drilling machine; the control device calculates coordinate values of the drill bit through coordinate transformation according to data of the receiver, the sensor and the encoder. The system has the advantages that few sensors are carried, a simple algorithm is established, and the accurate position information of the drill bit can be obtained.

The application provides a sectional combined winch drum for drilling subglacial lakes in Antarctica, and belongs to the field of drilling machines, and comprises a drum body, a transmission mechanism and a cable arranging block. The drum body comprises at least two coaxially connected drum units. Each drum unit comprises a drum outer tube, a drum and a guide rail. The drum is arranged in the drum outer tube. All the drums in the drum body rotate synchronously, so that the cable is wound on or released from the drum along with the rotation of the drum. The cable arranging block is used to drive the cable to be wound on or released from the drum in a reciprocating manner along the guide rail in the drum unit. The transmission mechanism drives the cable arranging block to move up and down along the guide rail in the drum. The application modularizes each part of the drum through modular design, prevents the winch drum from being bent due to excessive length, has the function of releasing a long cable, can make a thermal melting probe drill into a deeper depth, and improves the working reliability.

The utility model relates to the technical field of manufacturing of petroleum drilling and production equipment, and discloses a locking device for a petroleum drilling machine, which comprises a first locking seat, a first positioning pin, a locking pin, a locking nut, a second positioning pin and a second locking seat, the first locking seat is matched with the second locking seat, a spring mounting groove is arranged in the first locking seat, a spring is arranged in the spring mounting groove, and the locking pin is arranged in the locking nut. The spring is sleeved outside the lock pin; a mounting hole is formed in the contact surface of the first locking seat and the second locking seat, a second positioning pin is arranged in the mounting hole, one end of the second positioning pin is fixed in the hole in the second locking seat, and the other end of the second positioning pin is clamped with the hole in the first locking seat. By arranging a reasonable locking structure and an elastic buffering mechanism, the reliability and durability of the locking device are remarkably improved, the operation process is simplified, the maintenance cost is reduced, meanwhile, safety accidents caused by locking failure are effectively reduced, the operation efficiency and safety of the drilling machine are further improved, and the locking device is suitable for various complex working conditions.

The application provides a foundation pit supporting structure of deep silt stratum and a construction method thereof. The foundation pit supporting structure comprises cast-in-situ bored piles arranged in rows and a water stop curtain. The water stop curtain comprises a plurality of rotary jet piles located in the silt layer and the upper stratum thereof and a plurality of swing jet piles located in the lower stratum of the silt layer. The cast-in-situ bored piles are constructed by using rotary drilling machines; adjacent rotary jet piles are overlapped and engaged with each other; adjacent swing jet piles are overlapped and engaged with each other; and adjacent cast-in-situ bored piles are not engaged with each other. The application combines the construction of the water stop curtain and the cast-in-situ bored piles, firstly constructs the rotary jet piles of the water stop curtain, overlaps and engages the rotary jet piles with each other, then constructs the cast-in-situ bored piles by using rotary drilling machines in the rotary jet piles, the diameter of the rotary jet piles is larger than that of the cast-in-situ bored piles, the former serves as the water stop curtain and also serves as the temporary casing during the construction of the latter, one pile has two uses, the construction process is reduced, the engineering cost is lowered, and the application has good popularization value.

This invention relates to the field of water meter casing processing technology, specifically to a forming device for processing water meter casings, comprising a processing table, a placement unit on the processing table, a water meter casing to be processed being detachably installed in the placement unit, a drilling machine on the processing table, a spraying component on the processing table, the spraying component being connected to an external water source via a pipe, and an adaptive clamping structure on the processing table. Through the adaptive clamping structure, the device can achieve contouring and flexible clamping of different water meter casing outer walls, and prevent the water meter casing from vibrating or displacing during processing.

An automatic drilling machine for brake pad steel backing includes a drilling device, a base, a position adjustment device, a steel backing support device, and a material conveying device. The drilling device includes a central shaft, a support frame, a moving frame, a guide cylinder, and a linkage mechanism. The support frame is moved by the position adjustment device. The central shaft is slidably and rotatably mounted on the support frame, and a drill bit is fixedly mounted at the front end of the central shaft. The moving frame is slidably and rotatably mounted on the support frame, and a plurality of flip plates are rotatably and elastically mounted at the front end of the moving frame. A cleaning brush is fixedly mounted on the inner side of the flip plate, and a guide groove connecting the inner and outer sides is provided. The guide cylinder is slidably and elastically mounted on the support frame through a guide cylinder mounting frame, and an inlet communicating with a coolant pipe is provided on the guide cylinder, and a guide groove is fixedly mounted thereon. A cutting blade mounting ring is rotatably mounted inside the guide cylinder, and a plurality of cutting blades are fixedly mounted on the cutting blade mounting ring. This invention can effectively guide the flow direction of the coolant and cut long drill chips into small segments during drilling.

1. The name of the design product: mechanical drilling machine. 2. The use of the design product: the design product is used for mechanical drilling of circuit board, and the mechanical drilling with automatic feeding and discharging of the board. 3. The design points of the design product: the shape of design 1 and design 4; the combination of the shape and color of design 2, design 3, design 5 and design 6. 4. The picture or photo best showing the design points: the perspective view of design 1. 5. Design 1 is designated as the basic design. 6. Other circumstances needing explanation: the color of design 2, design 3, design 5 and design 6 is requested to be protected.