19 results about "Micro drilling" patented technology

The invention relates to the technical field of alloy materials, and discloses a preparation method of a nano WC-Co hard alloy for micro drilling, the nano WC-Co hard alloy comprises the following raw materials by weight: 83-92 wt% of nano tungsten carbide, 7-17 wt% of ultrafine cobalt oxide powder, 0-1.5 wt% of a hard alloy grain growth inhibitor, and 0.2-3 wt% of a forming agent; the method comprises the following steps: 1, mixing nano tungsten carbide, superfine cobalt oxide powder, vanadium carbide and a forming agent, and adjusting a carbon balance point in the powder to be mixed by using free carbon black; 2, sequentially putting the powder and a forming agent into a ball mill, and mixing the materials by taking absolute ethyl alcohol as a ball milling medium; the superfine cobalt oxide powder is used for replacing superfine cobalt powder, so that the extension area of cobalt element powder is increased, the problem that the cobalt powder is extended into a sheet shape is avoided, the cobalt pool phenomenon is effectively reduced, meanwhile, crystal grain growth inhibition carbides are increased, the phenomenon that a binding phase in hard alloy is not uniform is avoided, the service life of the finished micro-small-diameter drill bit special for the PCB is guaranteed, and the service life of the finished micro-small-diameter drill bit special for the PCB is prolonged. And the product quality is further improved.

The utility model relates to a detachable vibration feeding disc for micro drill machining, which comprises a material receiving shovel arranged at the top of the vibration feeding disc, a spiral slide way is arranged on one side of the material receiving shovel, the inner side of the spiral slide way is fixedly connected with the vibration feeding disc, a spiral flow limiting rail is fixed on the outer side of one end of the spiral slide way, and the flow limiting rail is fixedly connected with the vibration feeding disc. A spiral collecting box is arranged below the flow limiting rail, a through hole is formed in the vibration feeding disc, and the through hole is located in the bottom of the collecting box. When the device works, materials in a spiral slide way and a flow limiting rail easily fall off in the vibration feeding and conveying process, the falling materials can enter a collecting box, the materials in the collecting box can slide downwards and make contact with one side of a V-shaped baffle, the baffle can be driven to rotate under the action of the gravity of the materials, and therefore the materials can be conveyed into the collecting box. And the falling materials can return to the vibration feeding disc again through the through holes, so that the device can conveniently collect the falling micro drill handle parts in the feeding and conveying process and throw the micro drill handle parts into the vibration feeding disc again.

The invention relates to a soil remediation engineering-oriented multi-source heterogeneous data processing and integrating method, which comprises the following steps of: performing automatic analysis on multi-source data of soil remediation, and converting the multi-source data into a bcm format exclusive to a platform; local coordinates of the microcosmic drilling point cloud and WGS84 coordinates of the macrotopography are fused, and data scales are automatically switched according to the visual angle of a user based on the LOD technology; a micro-macro integrated three-dimensional scene is constructed, and dynamic visualization and multi-scale simulation analysis of the repairing process are achieved; a standardized data interface and a real-time linkage mechanism are constructed, and Internet of Things equipment data access, repair process dynamic monitoring and process parameter intelligent optimization are realized. According to the method, full-flow digital, visual and intelligent management of multi-source data of the soil remediation digital twin platform is realized, efficient and accurate technical support is provided for the soil remediation digital twin platform, intelligent and visual upgrading of soil remediation engineering is promoted, and a scientific basis is provided for subsequent optimization decision making.

The utility model discloses a correction mechanism for micro drilling, belongs to the technical field of drilling, and solves the problems that when a correction drill bit of an existing device is used for punching, the drill bit is prone to generating a large amount of heat due to friction with a workpiece, the drill bit is prone to deformation or damage, the drill bit needs to be replaced frequently, and the correction mechanism is troublesome to use. A clamping groove is formed in the top face of the mounting frame, a lifting mechanism is arranged on the mounting frame, a drilling mechanism is mounted on the lifting mechanism, a cooling assembly is mounted on the side wall of the mounting frame, an L-shaped rod and a cooling cover are driven by a hydraulic rod to move downwards, and the cooling cover covers the outer side of a workpiece punching position. And then water in the water tank is conveyed into the corrugated pipe through the water pump, and finally is sprayed into the cooling cover through the spray head, so that the purpose of cooling the correction drill bit is achieved, the service life of the correction drill bit is prolonged, the situation that the correction drill bit needs to be frequently replaced is avoided, and use is easy and convenient.

The invention relates to the technical field of coal mine safety mining, and discloses a well drilling and completion method for a broken and soft low-permeability low-pressure coal seam coalbed methane horizontal well, which comprises the following steps that a near-bit guide drilling tool combination is adopted for drilling, the combination comprises a bit, a near-bit short section and a gamma probe, and the distance between the gamma probe and the bit is 0.3-0.5 m; in the drilling process, a micro-step length monitoring device is adopted to collect and transmit drilling time data in real time, the measurement step length of a drilling time sensor of the monitoring device is 0.1 m, and drilling parameters are optimized in real time in combination with the drilling time data and a preset well wall stability model. By establishing a well wall stability prediction model of the horizontal well of the fractured and soft low-permeability coal seam, key parameters of drilling engineering are optimized, a well drilling and completion process technology of micro drilling, near-bit geosteering, low-pollution well wall strengthening and floating casing running of the fractured and soft low-permeability coal seam is formed, and the safe and efficient well drilling and completion target of the fractured and soft low-permeability coal seam is achieved.

The present invention relates to a laser drilling system, and aims to provide a dual-beam laser drilling system for high-speed micro drilling. To that end, the present invention discloses a dual-beam laser drilling system comprising a first laser source outputting a first laser pulse; a second laser source outputting a second laser pulse; an optical coupling unit coaxially combining the first laser pulse and the second laser pulse; a scanner for drilling by irradiating the coaxially combined laser beam to a processing target; and a controller controlling the first laser pulse and the second laser pulse in synchronization, wherein the first laser pulse and the second laser pulse have different characteristics from each other.

The invention discloses a formation characteristic while-drilling identification method, system and equipment based on drilling parameters and a medium, and relates to the technical field of petroleum and natural gas drilling engineering. The method comprises the steps that firstly, small layers are classified according to element logging results of adjacent wells, drilling parameters and micro drilling speed data are collected, and a time-drilling parameter-micro drilling speed matrix is constructed; on the basis, the while-drilling vibration data is divided into different magnitudes through a clustering method, and the characteristics of each vibration magnitude are quantified by combining abrupt change point density analysis. Then, an improved deep convolutional neural network algorithm is utilized to establish a correlation model of the catastrophe point density and the small-layer micro drilling rate data of the stratum; and finally, dynamically judging the stratum type in the drilling process by calculating the correlation coefficient of the micro drilling speed and the abrupt change point density in real time, thereby realizing accurate stratum identification. The method can improve the accuracy of while-drilling identification of the small layer of the horizontal section stratum, and is suitable for while-drilling identification under different geological conditions.

The utility model provides an accumulated snow and icing prevention device for a building slope type roof, which comprises an ultra-smooth covering film covering the building slope type roof, a micro drilling pipeline in contact connection with the ultra-smooth covering film, and a control assembly connected with the micro drilling pipeline, the micro drilling pipeline is arranged on a ridge of the slope roof, and the extending direction of the micro drilling pipeline is parallel to the extending direction of the ridge; lubricating liquid is arranged in the micro drilling pipeline, and the control assembly is used for controlling release of the lubricating liquid in the micro drilling pipeline. The super lubrication effect of the slope type roof surface of the building is achieved, the adhesive force between snow and ice and the surface of the covering film can be effectively reduced, accumulated snow, ice blocks or rainwater can rapidly slide away and fall off under the action of the gravity of the covering film, no snow or ice adheres to the surface of the covering film, the accumulated snow and icing prevention effect is achieved, and the service life of the covering film is prolonged. The problem of snow accumulation or icing on the slope roof of the building is fundamentally solved, and the safety guarantee is improved for living and traveling of people.

The invention relates to the technical field of micro drilling, and provides a drilling characteristic analysis method, electronic equipment and a storage medium. The drilling-in characteristic analysis method comprises the following steps: acquiring continuous multiple frames of drill bit images when a drill bit is drilled, determining the position of the central axis of the drill bit according to each frame of drill bit image, determining the change information of the angle of the central axis according to the position of the central axis in each frame of drill bit image, and determining the drilling-in characteristic of the drill bit according to the change information of the angle of the central axis. Therefore, the drilling characteristics of the drill bit can be determined through image acquisition and image analysis. The image acquisition process is less affected by environmental noise, so that the accuracy of the obtained drilling characteristics can be improved. Meanwhile, the image acquisition equipment is used for replacing a piezoelectric sensor, so that the cost can be reduced.

The invention relates to the technical field of machining, in particular to a micro drilling and grinding compound machine. According to the technical scheme, the device comprises a shell, a double-shaft motor, a pump shell, a collecting box, a butt joint and a butt joint base, the double-shaft motor, the pump shell and the collecting box are arranged in the shell, a first output shaft and a second output shaft are arranged at the two ends of the double-shaft motor respectively, and the outer wall of the first output shaft and the outer wall of the second output shaft are both sleeved with fixing rings; butt joint seats are arranged at one end of the first output shaft and one end of the second output shaft, butt joints are inserted into the butt joint seats, and a drill bit and a grinding wheel are arranged at one end of each butt joint. The double-shaft motor is used for driving the drill bit and the grinding wheel to rotate at the same time, and the problems that time is wasted when tools are frequently replaced, more space is occupied if two devices are used, the two devices need to be purchased and maintained, and the use cost is high are solved.

The invention discloses a gamma unmanned aerial vehicle and a shale field profile stratigraphic division system and method. The gamma unmanned aerial vehicle comprises an unmanned aerial vehicle device, a Bluetooth control module, a communication module, micro drilling equipment, a gamma instrument device and a laser radar device. The communication module and the Bluetooth control module are arranged on a fuselage of the unmanned aerial vehicle device; the gamma instrument device is assembled at the front end of the machine body; a gamma signal collecting probe is arranged at the front end of the gamma instrument device and connected with the gamma instrument device; the laser radar device is assembled at the bottom of the fuselage and connected with the communication module; the ground surveying system is remotely connected with the gamma unmanned aerial vehicle; comprising an unmanned aerial vehicle control module, a data receiving module, a parameter setting module, a data analysis module and a survey output module. Shale field profile measurement and stratigraphic division under complex geological conditions and seriously covered stratums are realized.

The utility model provides a bloodstain adhesion prevention device and a salt deposition prevention device based on a durable super-smooth layer. The bloodstain adhesion prevention device comprises a structural layer with super-smooth performance, a micro drilling pipeline in contact with the structural layer and a control assembly connected with the micro drilling pipeline. Lubricating liquid is arranged in the micro drilling pipeline, and the control assembly is used for controlling release of the lubricating liquid in the micro drilling pipeline. By arranging the super-lubricating layer, the matched micro drilling pipeline and the control assembly for controlling the release of the lubricating liquid in the micro drilling pipeline, bloodstain, interstitial fluid or salt deposition particles are not adhered to the membrane layer, and the super-lubricating effect of the membrane layer is achieved; the membrane is simple in structure and high in practicability and applicability; and release of the lubricating liquid in the micro drilling pipeline is controlled through the control assembly, so that the film layer can maintain the surface lubricating performance for a long time, replacement is not needed, the overall service life of the product is prolonged, and the device has important significance in the medical field and the brine development and application field.

The application discloses a shale gas horizontal well rock drillability prediction method and relates to the technical field of shale gas horizontal wells. The application analyzes the influence law of mineral components, confining pressure, formation dip angle and acoustic time difference on reservoir rock drillability through rock drillability micro drilling experiments and mineral component analysis experiments, establishes a relationship between rock drillability grade value and each parameter, establishes a drillability grade value prediction model under the influence of multiple parameters, firstly, rock drillability experiments are carried out, the influence of mineral components, acoustic time difference, bottom hole confining pressure and formation dip angle on shale reservoir drillability is analyzed, and a relationship between rock drillability grade value and each parameter is established, and secondly, a nonlinear fusion model of drillability grade value and multiple parameters is established based on the least square method and by using matlab programming, so that better drillability prediction application is achieved.

The utility model discloses a segment difference back grinding integrated machining mechanism for micro drill machining, which comprises a back grinding transverse moving module, a back grinding rotating module is arranged at the output end of the back grinding transverse moving module, a back grinding lifting module is arranged at the output end of the back grinding rotating module, a back grinding main shaft is arranged at the output end of the back grinding lifting module, and a back grinding main shaft is arranged at the output end of the back grinding main shaft. A segment difference grinding wheel and a back grinding grinding wheel are arranged at the output end of the back grinding main shaft, and the back grinding rotating module is used for driving the back grinding lifting module and the back grinding main shaft to rotate and swing so as to drive the segment difference grinding wheel and the back grinding grinding wheel to be aligned to a micro drill to be machined. According to the utility model, not only can back grinding processing be carried out on the micro drill, but also a segment difference groove can be ground on the micro drill; back grinding and section difference groove opening are integrated in one device, circulation of a micro drill between devices can be reduced, and therefore the machining efficiency is improved, the risk that products are damaged by clamping can be reduced, and the machining yield is increased.

The utility model discloses a full-automatic micro drill grinding machine which comprises a machine table, a rotary material conveying mechanism is arranged on the machine table, a feeding and discharging mechanism, a spiral groove forming mechanism, a cutting edge grinding mechanism and a segment difference back grinding mechanism are sequentially arranged on the machine table in the moving direction of the rotary material conveying mechanism, and the feeding and discharging mechanism is used for taking and placing a micro drill on the rotary material conveying mechanism; the spiral groove forming mechanism, the cutting edge grinding mechanism and the segment difference back grinding mechanism are connected with the rotary material conveying mechanism, the spiral groove forming mechanism is used for grinding a spiral groove in a micro drill on the rotary material conveying mechanism, and the cutting edge grinding mechanism is used for grinding a cutting edge of the micro drill on the rotary material conveying mechanism. The segment difference back grinding mechanism is used for grinding the cutter back of the micro drill and machining a segment difference groove in the micro drill. According to the utility model, spiral groove opening, blade grinding, back grinding and segment difference groove opening processing can be simultaneously carried out, the processing efficiency and the yield are greatly improved, manual participation is not needed in the whole process, and the labor cost is reduced.

The invention discloses a micro drilling speed classification method, system and equipment based on logging data and a medium, and relates to the technical field of petroleum and natural gas drilling engineering. The method comprises the following steps: constructing a drilling parameter time sequence database on the basis of logging data; calculating the micro-drilling speed corresponding to each group of data, constructing a time-drilling parameter-micro-drilling speed matrix, and numbering each group of data in the matrix; dividing the matrix into a drilling sample and a non-drilling sample, and extracting a bit pressure-micro drilling speed sample in the drilling sample to form a bit pressure-micro drilling speed curve; segmenting the bit pressure-micro drilling speed sample to form a normal drilling sample and an abnormal drilling sample; and according to the number of the segmentation position, a drilling parameter acquisition time period corresponding to the normal drilling sample is obtained, and the micro drilling speed and the drilling parameters are unified to the same time dimension. According to the method, the drilling parameters and the micro-drilling speed can be quickly unified on the time dimension, the mapping relation between the drilling parameters and the micro-drilling speed is more accurately established, and a basis is provided for optimizing the drilling parameters.

1. The name of this design product: Electric hand drill. 2. Application of this design product: Used as a tool for small and micro drilling and hole opening. 3. The key design point of this design product lies in the combination of shape and pattern. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The invention discloses a method for automatically recommending drilling parameters during fastest drilling based on a micro drilling speed sample, and belongs to the field of petroleum and natural gas exploration, and the method comprises the following steps: S1, obtaining a drilling sample of the same stratum under drilling of the same column as the micro drilling speed sample; s2, drawing a drilling parameter-micro drilling speed curve in combination with the micro drilling speed sample; s3, taking a part of which the local smoothness is smaller than the overall smoothness as a bit pressure analysis sample, and taking a part of which the local smoothness is greater than the overall smoothness as a jamming risk analysis sample; s4, searching a part of the bit pressure analysis sample with the bit pressure rising and the micro-drilling speed rising first and then being stable as a parameter recommendation sample, and taking the rest part as a drilling speed abnormal sample; and S5, selecting the maximum value of the inlet flow as the recommended inlet flow, selecting the maximum value of the rotating speed as the recommended rotating speed, and selecting the minimum value of the bit pressure as the recommended bit pressure. According to the method, the main control factors influencing the drilling speed in the drilling process are recognized based on the micro drilling speed sample, and the drilling speed increasing effect can be achieved.

The utility model discloses a micro drill point blade face grinding device, and relates to the technical field of drill point machining. The device comprises a base, a mounting block, a base block, a trapezoidal block and an air cylinder, the mounting block and the trapezoidal block are arranged above the base in a sliding mode, a motor is fixed to the upper end of the mounting block, a pressing roller is fixed to an output shaft of the motor, and rubber wheels distributed at equal intervals are fixed to the periphery of the pressing roller; a mounting cavity is formed in the upper end of the base block, and symmetrically-distributed rollers are further rotationally connected into the arc face in the mounting cavity in an embedded mode. And a grinding block is fixed on the trapezoidal block. By arranging the motor, the mounting block, the compression roller, the rubber wheel, the base block, the rotary drum, the magnetic strip, the trapezoidal block, the grinding block and the air cylinder, the problem that a conventional clamp tool and the like cannot clamp the small size of the micro drill point and keep rotating when the blade part of the micro drill point is ground is solved; when the grinding block is in direct contact with the edge part of the micro drill point for grinding, the control is difficult, the time is consumed and the cost is high.