1165 results about "Deep hole" patented technology

The invention discloses a double-row medium-length hole blasting method for a filling stope. According to the method, a theoretical value range of each blasting parameter is deduced according to field engineering practice, an ore rock blasting crushing mechanism and a blasting parameter theoretical formula. The method comprises the following steps of: constructing a stope blasting model with different hole bottom distances, explosive unit consumption and resistance line combinations by using ANSYS numerical simulation software in combination with physical and mechanical properties of ore rocks and field explosive performance parameters, and preferably selecting double-row medium-length hole blasting parameters according to a chamber effective stress distribution rule and a roof area vibration velocity peak value of the ANSYS blasting model. According to the method, by selecting the double-row optimal medium-length hole blasting parameters, it is guaranteed that ore rocks in the chamber are fully crushed, the effective stress invading the roof and the blasting vibration velocity peak value are reduced, and the roof is prevented from being damaged. And meanwhile, the explosive loading amount is reduced, the economic cost is reduced, and the production efficiency of a mine is improved.

The invention discloses an earth surface directional drilling high-pressure deep hole grouting construction method based on steel sleeve hole fixing. The earth surface directional drilling high-pressure deep hole grouting construction method comprises the following steps that firstly, a directional drilling machine is used for vertically drilling a grouting hole downwards; secondly, a plurality of steel floral tubes are sequentially put down in the three-opening first branch grouting hole; thirdly, cement-bentonite-based sleeve shell materials are continuously injected into the first section of the steel floral tube to the inner bottom of a first branch grouting hole of the three-opening hole, and an annular space between the first branch grouting hole of the three-opening hole and the steel floral tube string is filled with the cement-bentonite-based sleeve shell materials; fourthly, a packer is lowered to the bottom of the three-opening first branch grouting hole; a packing section is formed in front of the packer; and fifthly, cement grout is injected into the grouting pipe, grouting is conducted on the packing section, the finally-set cement-bentonite-based casing material is split and damaged under the effect of grouting pressure, and the grouting grout is injected into the stratum to be reinforced through the grout channel. According to the method, the hole collapse phenomenon when the grouting hole penetrates through the unfavorable geological section can be prevented, the grouting stopping effect of the packer is guaranteed, and retreating type segmented grouting construction is guaranteed.

The utility model discloses hollow half shaft forming equipment, which belongs to the field of manufacturing of automobile parts and comprises a graded reducing device, a hollow half shaft forming device and a hollow half shaft forming device. The spline cold extrusion device is used for extruding an internal spline on the hollow half shaft blank; the grading hole shrinkage device comprises a first hole shrinkage die, a second hole shrinkage die and a third hole shrinkage die, wherein the first hole shrinkage die is used for extruding the shape of a hollow half shaft on a hollow half shaft blank; the second reducing die is used for reducing and forming the hollow half shaft blank output by the first reducing die to a target diameter; the first reducing die, the second reducing die and the cold extrusion spline device are matched, the cold-rolled steel pipe is used as a hollow half shaft blank for multiple times of reducing forming of the hollow half shaft, material consumption can be reduced, and meanwhile the undesirable phenomena of center hole eccentricity, uneven wall thickness and the like when a special-shaped deep hole is machined in a charge bar can be avoided.

The invention discloses a rock burst ultra-deep hole blasting unloading wave absorption coupling prevention method for a steeply inclined coal seam, and belongs to the technical field of coal mining, and the method comprises the following steps: step 1, determining an unloading target rock stratum where a working face top plate and / or bottom plate stress concentration area is located in the steeply inclined coal seam; 2, determining a wave absorbing target rock stratum between the unloading target rock stratum and a roadway on the corresponding side of the working face of the steeply inclined coal seam; 3, arranging a plurality of unloading blast hole groups in the roadway; step 4, arranging a wave absorbing blast hole group at the position where the unloading blast hole group is arranged in the roadway; 5, all the wave absorbing blast holes are detonated, and all the unloading blast holes are detonated; and 6, after blasting is completed, the near-surface surrounding rock of the roadway on the corresponding side subjected to blasting serves as a supporting bearing layer for combined supporting. According to the invention, a three-level cooperative control mechanism of source unloading, propagation weakening and terminal bearing is realized, and steeply inclined coal seam clamping type roof and floor rock burst disasters are prevented fundamentally.

The invention relates to the technical field of underground mining of metal ore deposits, in particular to a staged ascending pillar-free large-diameter deep-hole lateral caving subsequent filling mining method, which comprises the following steps of: dividing a steeply inclined medium-thickness ore body into a plurality of stages, and dividing large and small stopes in the stages without leaving pillars; digging a flat-bottom ore removal structure at the bottom of the stope, and digging a rock drilling chamber at the bottom of the stope at the upper stage; digging a cutting well at the end part of the stope and expanding the cutting well into a cutting groove; large-diameter parallel deep holes are drilled downwards in the rock drilling chamber, and lateral ore caving is carried out with cutting grooves as free faces; the caved ore is transported out by a carry-scraper through the flat-bottom ore removal structure; and the stope goaf is subjected to subsequent cemented filling. The small stopes are firstly stoped and filled with the 1: 4 full-tailing cementing material, and after the small stopes are solidified, the large stopes are stoped and filled with the 1: 20 full-tailing cementing material. The method has the characteristic of ascending stoping among stages, and has the advantages that pillar-free continuous stoping is realized, and the rock drilling chamber is used as a flat bottom ore removal structure to be reused.

The invention belongs to the technical field of slope construction, and particularly relates to a down-the-hole drill and a vertical blast hole blasting high and steep slope construction method. The method comprises the following steps: S1, firstly designing and arranging holes, firstly determining a blasting area, then determining a chassis resistance line, then determining the row pitch of the holes, and calculating the drill hole spacing and the row pitch according to the drill hole diameter and the blast hole density coefficient; s7, carrying out quality acceptance; when a drilling machine is used for drilling vertical deep holes with different depths, a slope surface is subjected to blasting and layered excavation to a slope bottom line, vertical downward excavation is firstly performed to a slope toe, then the slope is brushed to the slope toe along a slope top line, a breaking hammer is used for trimming a local under-excavation part, and finally a permanent slope is formed. The slope engineering standardization work of a project is greatly improved, the over-excavation and under-excavation phenomena are reduced, and powerful support is provided for permanent slope formation.

The invention belongs to the field of machine manufacturing, and discloses a deep hole inner molded surface profiling boring direct-drive intelligent control cutter system which comprises a cutter assembly, a rotary drive assembly and a sensor assembly. A rotary driving shaft of the rotary driving assembly is connected with an axial gear of the right-angle bevel gear pair, the inner side of a radial gear is connected with a driving nut, and the base plate and the tool apron are connected through a ball screw, so that a blade on the tool apron is driven to achieve radial feeding. The sensor assembly comprises a force sensor, a temperature sensor and a vibration sensor, signals are collected in real time and fed back to the drive control circuit board to control the rotary drive assembly, and therefore the profiling boring precision of blade feeding is improved. Direct driving and intelligent sensing control are combined and embedded in the profiling adjusting type boring cutter, a cutter transmission chain is greatly reduced, the transmission rigidity, the control precision and the response speed are improved, and therefore the performance requirements of a deep hole complex inner profile for high precision, high quality, high efficiency and high cost performance are met.

The invention discloses an anchor rod and grouting combined reinforcement control method for surrounding rock of an argillaceous weak cemented roadway, relates to the technical field of coal mine roadway support, and solves the problems of poor anchoring performance of an anchor rod, insufficient grouting pertinence and poor grouting and anchoring collaboration in the prior art. According to the technical scheme, the method comprises the steps that grouting and supporting parameter collaborative design is conducted; after roadway tunneling, full-section concrete spraying sealing is immediately carried out; deep and shallow hole step-by-step differential grouting is conducted, shallow hole low-pressure permeation is conducted firstly to form a shallow reinforcing ring, and then deep hole high-pressure splitting is conducted to form a deep reinforcing area; and finally, high-pretightening-force anchor rods (cables) are installed to form a cooperative bearing body. The reinforcing ring layer with the reasonable strength gradient is formed, efficient cooperation of surrounding rock modification and active supporting is achieved, and the supporting reliability and the overall stability of surrounding rock are remarkably improved.

The invention discloses an electric spindle with a central water outlet mechanism. The electric spindle comprises a shell. A through cavity is formed in the middle of the shaft core, and one end of the shaft core is sleeved with a driving key; the motor comprises a stator and a rotor; the broach mechanism comprises an end seat, a center rod, a pull rod, a pull claw assembly and a driving device, and a sleeve piece is arranged between the end seat and the center rod; the central water outlet mechanism comprises a fluid inlet path, a fluid outlet path and a fluid channel, and the fluid channel is communicated with the fluid inlet path and the fluid outlet path; and a cooling mechanism. The cooling mechanism, the pulling mechanism and the center water outlet mechanism are integrated, the shaft core is cooled, water can be sprayed to a tool penetrating into a hole to cool the tool when the tool of the electric spindle machines an over-deep hole, the whole tool is cooled through the cooling mechanism, the thermal expansion effect of the heated shaft core is counteracted, and the machining efficiency is improved. Impact force generated on a bearing in the tool loosening and clamping process is eliminated through the tool pulling mechanism, water is accurately sprayed to a heated tool through the center water outlet mechanism to enable the heated tool to be cooled, and therefore thermal deformation of the tool is effectively prevented.

The invention relates to the technical field of cutting machining, in particular to a lengthened hard alloy spiral cutter strip and cutting equipment thereof, the cutter strip main body of the spiral cutter strip adopts a 60-degree large spiral angle and a lengthened design, so that a cutter provided with the spiral cutter strip can complete machining of a deep hole or a side wall at a time; the cutting force of the cutter can be more axial, and radial vibration in the cutting process is reduced; the cutting equipment comprises a rack and a bracket fixed to the top of the rack, a feeding part is installed on the rack, and a material changing part is fixedly installed on the bracket. The material changing part comprises a material frame fixed to the bracket, a material conveying belt installed at one end of the bottom of the material frame, a material stirring assembly installed in the middle of the material frame and a material clamping assembly used for stopping the material stirring assembly, and the material changing part further comprises an embedding groove, a clamping plate and a clamping positioning assembly. And a target piece on a machining station can be automatically clamped and corrected.

The invention relates to the technical field of intelligent blasting, and discloses an automatic blasthole arrangement method for a slow slope deep hole step and related equipment, and the method comprises the following steps: obtaining topographic data of a target step, and determining an initial blasthole layout for the target step according to the topographic data; determining whether a first included angle between the designed slope bottom line of the target step and the natural slope surface line is within a preset range or not; in response to the first included angle within the preset range, determining that the slope surface of the target step is a gentle slope surface; a main blast hole closest to the gentle slope in the initial blast hole layout is determined, a first intersection point of the main blast hole and a designed slope bottom line and a second intersection point of the natural slope surface line and the designed slope bottom line are determined, and the resistance line distance between the first intersection point and the second intersection point is calculated; whether the resistance line distance exceeds a preset distance threshold value or not is determined, and it is determined that a supplementary blast hole is additionally formed between the main blast hole and the natural slope line in response to the fact that the resistance line distance exceeds the preset distance threshold value. Therefore, it can be guaranteed that the blasting effect is better.

The invention discloses a one-stop machining method for a high-precision step deep and long hole in a high-voltage switch butt joint. The one-stop machining method comprises the steps that a special tool is adopted for clamping and aligning a workpiece. And oppositely drilling through holes in the two sides of the workpiece by using the combined tool to obtain the through holes. And the combined tool enters the through hole from the two ends of the main hole to bore the right-end stepped hole and the left-end stepped hole step by step. And the coaxiality of the left end stepped hole and the right end stepped hole is detected on the machine. The special tool is matched with the combined tool to complete machining of deep and long holes of parts, on-machine detection can be achieved, defective products are effectively prevented from flowing out, a traditional machining method for the high-precision stepped deep and long holes is broken through, the problem that a drill bit deflects, and consequently a follow-up tool is broken is solved, and the machining efficiency is improved. The high-precision step deep and long hole machining device reduces low production efficiency and product percent of pass caused by out-of-tolerance straightness of a grinding process, and realizes one-stop machining of a high-precision step deep and long hole of a high-voltage switch with higher efficiency and higher quality under the condition of ensuring dimensional precision, form and location tolerance and surface quality.

The utility model discloses a film coating device for the inner wall of a long and thin tube with a medium-small caliber and a deep inner hole, and belongs to the technical field of film coating. The coating equipment consists of a control unit and a coating unit. The control unit comprises a vacuum chamber and a gas inlet system, the vacuum chamber is used for installing and placing the pipe and providing a vacuum environment, and the gas inlet system is used for injecting working gas into the vacuum chamber. The coating unit is composed of a target material, a magnetic coil and a driving mechanism, and the target material is installed on the central axis in the pipe. The magnetic coil provides a uniform magnetic field environment for the coating device, the output end of the driving mechanism is mechanically connected with the target material and the magnetic coil, and synchronous transmission control between the target material and the magnetic coil is ensured. The device is particularly suitable for quickly and efficiently coating the inner wall of a long and thin pipe with a deep inner hole and the caliber of 40mm or below, and the quality of a film layer is excellent. The magnetic core in the target material is externally arranged, so that the diameter of the target material is reduced, disassembly and assembly are simplified, the manufacturing difficulty and cost are reduced, and the economic benefit is improved.

The utility model relates to the technical field of lathes, in particular to a high-precision deep hole machining lathe, and aims to solve the technical problems that when a lathe is used for machining deep holes, a supporting frame needs to be adopted for supporting, a bar is supported by manually rotating the supporting frame composed of a plurality of screws, and precision is low. The upper ends of the supporting legs are connected with a hollow disc, the hollow disc and the centering clamp are concentrically arranged, a plurality of rotating shafts are evenly and rotatably connected to the upper circumference of the hollow disc, the rotating shafts can be driven and locked through a driving device, the rotating shafts are connected with connecting rods, the tail ends of the connecting rods are rotatably connected with rolling wheels, and the distances from the circle center of each rolling wheel to the circle center of the hollow disc are equal. A bar is placed between the centering clamps and the rolling wheels in the hollow disc, the driving device drives the connecting rods evenly distributed on the circumference to rotate synchronously, the connecting rods drive the rolling wheels to rotate to clamp and center the bar, at the moment, the centering clamp located at one end is controlled to clamp the bar, and the automatic centering precision of the multiple connecting rods is very high.

The invention provides a safe and efficient combined mining method for a near-surface thick and large low-grade ore body under a broken ore rock condition, and belongs to the field of mining. The first-step stope adopts a downward large-diameter deep hole subsequent filling method, horizontal and vertical anchor cable holes are constructed in a drilling chamber at the top of the stope, and the vertical anchor cable holes are communicated with the ground surface; a subsection medium-length hole subsequent filling mining method is adopted in the stope in the second step, and downward anchor cable holes are constructed in the earth surface above the stope to the boundary of the ore body; after cement mortar is injected into the anchor cable holes, orifice anchor cables are connected in series, prestress is applied, and a combined anchor cable supporting system is formed; filling immediately after the stope is mined in the first step; and after the filling body reaches the preset strength, filling after mining is carried out on the second-step stope. Through application of the combined supporting structure and the mining technology, near-surface thick and large low-grade ore body resources can be safely and efficiently mined, underground occurrence resources are fully utilized, and continuous high-quality development of mine enterprises is guaranteed.

The utility model discloses a pinhole device for oil supply during deep hole processing, which comprises a cutter bar, a guide device, a support device and a pinhole protection connecting device are arranged on the cutter bar, the guide device comprises a combined bearing inner ring, and a conical disc is fixedly connected on the outer wall of the combined bearing inner ring through a bolt. The small hole protection connecting device integrally adopts a slender shaft structure to reduce the influence of oil pressure, the guide device and the supporting device are reduced in the same proportion on the original basis and are matched with the small hole connection protection device, the original functions are played at the same time, the contact area between cutting oil and a small hole device cavity is reduced, and the machining efficiency is improved. Therefore, oil pressure formed by cutting oil in the cavity is reduced, a gap, caused by too large oil pressure, of the contact face of the cutter bar and the workpiece is avoided, it is guaranteed that the cutter bar and the workpiece are tightly attached, the workpiece is prevented from falling off through positioning and clamping of the conical disc and the workpiece, deflection of the cutter bar during machining is avoided, and a high-precision guide track is established.

The invention belongs to the technical field of deep hole blasting parameter optimization, and discloses a hole site parameter optimization analysis method based on open-air deep hole blasting. According to the method, the rock type is judged through multi-index cooperation, and a dynamic threshold adjustment mechanism is combined, so that the rock classification accuracy is improved, and accurate matching of hole site parameters and geological conditions is ensured. According to the method, through geological parameter-rock type-mapping relation three-level correlation determination, limitation of an empirical formula is avoided, and the parameter range better fits actual geological features. And meanwhile, a historical blasting data set is introduced for similar case matching, a potential risk parameter set is removed through experience screening, the deviation between theoretical simulation and actual engineering is reduced, and the parameter reliability is improved. According to the method, the multi-objective optimization model is adopted, the crushing quality, the safety control and the economical efficiency are synchronously considered, the parameter set for balancing all the objectives is output through the Pareto optimal algorithm, and high-quality, low-risk and low-cost collaborative optimization is achieved.

The utility model belongs to the technical field of machining tools, particularly relates to an inner chip removal deep hole drill for machining a multi-hole workpiece, and aims to solve the problems that cuttings are extremely easy to accumulate in holes due to large cuttings generated in the machining process of the conventional device, and the problem of unsmooth chip removal is more prominent especially when holes with larger depths are machined. In order to solve the problems that in the prior art, abrasion of a drill bit is aggravated, meanwhile, the drill bit is heated, and machining quality is affected, according to the scheme, the drill bit comprises a drill bit body, and a drill tip is fixed to one end of the drill bit body; the drill bit has the advantages that the chip dividing grooves, the chip guiding grooves and the chip discharging grooves are continuously matched, chips are divided and are helped to flow into the chip discharging channels, the chips are effectively prevented from being accumulated in holes, machining continuity is guaranteed, cooling media reach a cutting area through multiple components, the drill bit is continuously cooled and prevented from being overheated and abraded, the chips can be efficiently scoured through impact force of the drill bit, and the service life of the drill bit is prolonged. And the chip removal efficiency is greatly improved, the risk that the hole wall is scratched by cuttings is reduced, and the machining precision and the surface quality are ensured.

The invention discloses a horizontal machining center deep hole machining tool which comprises a horizontal machining base and a moving plate, a first stabilizing plate is fixedly connected to the upper portion of the moving plate, and an attaching mechanism is arranged on the upper portion of the first stabilizing plate and comprises a first semicircular plate arranged on the upper portion of the first stabilizing plate. And the clamping stability and adaptability of workpieces in various shapes are remarkably improved. The tool adopts a plurality of groups of semicircular plate structures which can be nested in a sliding manner, the first to fourth semicircular plates are linked in sequence through the sliding grooves, and when the tool is used for workpieces with complex shapes such as special-shaped parts and irregular curved surface parts, each group of semicircular plates can adaptively adjust the fitting angle and position according to the contour of the workpiece, so that a multi-point uniform holding clamping effect is formed; according to the tool, the deep hole drill rod and the chipping absorbing plate are controlled in a linkage mode, when the drill rod makes contact with the surface of a workpiece, the chipping absorbing device is triggered to be started through gear meshing, the chipping absorbing function continuously runs in the drill rod feeding process, and fine chippings generated during deep hole machining can be accurately captured.

The utility model relates to a steering gear deep hole machining device, and belongs to the technical field of automobile part machining. The technical scheme mainly solves the problem that time is wasted when drill bits with different sizes and shapes are replaced. Comprising a machining table, the top of the machining table is fixedly connected with a fixing plate, the side wall of the fixing plate is slidably connected with a sliding plate through a driving part, the side wall of the sliding plate is fixedly connected with an air cylinder, the output end of the air cylinder is fixedly connected with a supporting plate, and the side wall of the supporting plate is rotationally connected with a rhombic connecting shaft through a driving part. Drill bits of different sizes can be installed at the same time through the cooperation of the rotating fluted disc, the connecting fluted disc, the connector and the drill bit body, and through the arrangement of the mode, the drill bits of different sizes and shapes can be rapidly switched during working, so that the working efficiency is improved, and the working efficiency is improved. Time delay caused by replacement of other drill bits during working is prevented, and the deep hole machining efficiency of the steering gear is further greatly improved.

The application discloses a kind of hard alloy cutter materials for deep hole machining, the cutter material is composed of the following weight percentage components: tungsten carbide: 75%~85%, wherein 0.2~0.4 μm superfine tungsten carbide particles account for 60%~80%, 0.4~0.8 μm tungsten carbide particles account for 20%~40%; Cobalt: 10%~15% titanium carbide: 2%~5%; Tantalum carbide: 1%~3%; Niobium carbide: 0.5%~2%; Vanadium carbide: 0.3%~1.0%; Chromium carbide: 0.2%~0.8%; Rare earth element: Y2O3 Or La2O3: 0.1%~0.5%. The application breaks through the bottleneck of high temperature wear, insufficient strength and short service life of traditional hard alloy in deep hole machining through three-dimensional innovation of component design, structure control and surface strengthening, and provides an efficient solution for precision deep hole machining of high hardness materials.

The utility model relates to the technical field of forging processing, in particular to an inner wall dephosphorization device suitable for a forging workpiece with a deep hole, which comprises a foundation, an inner wall dephosphorization machine and a robot, the inner wall dephosphorization machine is arranged in a pit part of the foundation, and the robot is positioned on a table top of the foundation and is higher than the inner wall dephosphorization machine. The inner wall dephosphorization machine comprises a water tank and a quick electromagnetic valve located on one side of the water tank. The inner wall dephosphorization equipment suitable for the forged workpiece with the deep hole is provided for meeting the dephosphorization requirement of the forged workpiece with the deep hole, the equipment combines the technological process of the forged workpiece with the deep hole and a forge piece transferring method, the forge piece is clamped by the mechanical arm and the clamping jaw to complete the dephosphorization operation of the deep hole, and the working efficiency is improved. The special nozzle sprays high-pressure water columns for dephosphorization operation, the speed is high, the dephosphorization effect is good, and equipment parameters can be conveniently and flexibly adjusted according to process requirements.

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 invention relates to an anti-vibration cutter bar system for oversized-diameter deep hole trepanning, belongs to the technical field of deep hole machining, and solves the problems of large machining vibration, difficulty in guaranteeing hole shape precision, abnormal wear of a cutter and the like caused by insufficient rigidity and poor guide stability of a cutter bar system during oversized-diameter deep hole trepanning machining in the prior art. The system comprises a boring rod and a modularized trepanning cutter crown, wherein the modularized trepanning cutter crown is combined with the front end of the boring rod through a transmission convex key and a screw; at least one alloy guide key and at least one piece of damping wood are arranged on the outer circle face of the modular trepanning cutter crown, and the alloy guide keys and the damping wood jointly form a composite anti-vibration guide structure. Vibration in the machining process is effectively restrained through the composite anti-vibration guide structure, the dynamic stability of a tool bar system is improved, the tool bar system is particularly suitable for trepanning machining of super-large-diameter deep holes with the diameter larger than 400 mm, the machining requirements of different inner hole diameters can be met by replacing tool crowns of different sizes, and the machining precision and efficiency are improved.

The utility model discloses a numerical control processing machine tool with a deep hole milling function, which relates to the technical field of processing machine tools and comprises an equipment base, the equipment base is integrally formed and is in a right-angle shape, a workpiece processing area and an equipment mounting area are formed on the equipment base, and an X-axis guide rail mounting seat is arranged on the workpiece processing area. Z-axis guide rail mounting seats are arranged on the equipment mounting area, an X-axis driving mounting area is formed between the two X-axis guide rail mounting seats, a Z-axis driving mounting area is formed between the two Z-axis guide rail mounting seats, and a driving source mounting seat and a bearing mounting seat are arranged in the X-axis driving mounting area and the Z-axis driving mounting area; according to the workpiece machining area and the equipment mounting area formed by the equipment base which is integrally formed and has the right-angle characteristic, a workpiece machining table and machining equipment can be reasonably arranged, so that the equipment of a machine tool is more compact, additional connecting pieces and position adjusting steps needed during split type mounting are omitted, the mounting time and cost can be saved, and the production efficiency is improved. And errors generated during assembly are reduced.

The application discloses a kind of linear cutting continuous processing methods of seat body large aperture parallel group hole, belong to mechanical manufacturing technical field.This method is first with seat body A face as reference, planing, planing seat body shape and concave surface to drawing size;Again, workpiece is once clamped and aligned, and linear cutting molybdenum wire is used along preset trajectory to continuously cut, and all large aperture through hole is simultaneously processed, and 45° chamfer bevel is reserved at cutting place;Finally, intermittent welding is used to cutting seam, and workpiece temperature is strictly controlled not to exceed 80 DEG C to prevent thermal deformation, and after welding, weld is ground flat to make surface flush with concave surface.The application is characterized by linear cutting without mechanical cutting force, solves the problem that tool is easily appeared in traditional boring machine processing, through hole taper is big, parallelism is poor, effectively guarantees the size and shape accuracy of through hole.Workpiece is only single clamping, and it is free from dependence on high-skilled operators, processing efficiency and product consistency are significantly improved, and it is suitable for batch processing of large-size seat body parallel deep hole of 45 steel.

The invention relates to the technical field of blasting engineering, and particularly discloses a segmented charging structure device for high-hardness rock mass blasting, which comprises a segmented charging unit body, a top cover, a camera, an elastic centering assembly, a reinforcing assembly, a detonating system and a sealing protective layer, the body is provided with two independent charging cavities, and intelligent monitoring modules are arranged in the charging cavities; the elastic centering assembly realizes self-adaptive centering through four groups of supporting legs with reinforcing ribs and an arc-shaped rubber pad, and is matched with a folding supporting structure of the reinforcing assembly to guarantee the stability of a deep hole; the camera and the pressure sensor monitor the hole wall state and the centering effect in real time; and the top cover and the protective layer form double sealing. According to the device, the positioning precision is improved, the uniformity of blasting lumpiness is improved, the root rate is reduced, and the device is suitable for high-hardness rock mass blasting scenes such as mines and tunnels.

This invention discloses a deep-hole machining carbide end mill with a chip removal structure, applicable to the field of end mill technology. The invention uses an air blower at the bottom of the end mill component to blow outwards high-pressure gas, effectively reducing the impact of chips on the turning capability of the end mill component. A chip removal guide plate guides the high-pressure airflow, causing the high-pressure airflow to carry the turning chips upwards along the outer surface of the guide plate. Finally, the high-pressure airflow concentrates at the chip riser, increasing the airflow force and effectively increasing the blowing height of the turning chips, allowing them to exit the deep hole. Larger turning chips are retained on the inner surface of the chip removal guide plate, effectively preventing them from blocking the upward flow of high-pressure airflow and providing a stable retention environment for larger chips, thus effectively reducing the impact of larger turning chips on the drilling capability of the end mill.

The utility model discloses a machine clamp drill bit used for machining deep and long hollow holes, which comprises a cutter handle, a cutter base body and a cutter head which are sequentially and coaxially connected from top to bottom, the cutter head is provided with a first cutter head chip groove and a second cutter head chip groove along the axial direction, and the inner wall of the lower end of the first cutter head chip groove is provided with a first mounting seat. A first peripheral cutter is embedded in the first mounting base, a second mounting base and a third mounting base are sequentially arranged on the inner wall of the lower end of the second tool bit chip removal groove from inside to outside, a center cutter is arranged in the second mounting base, and a second peripheral cutter is arranged in the third mounting base. According to the utility model, the central cutting edge and the peripheral cutting knife are arranged, so that the peripheral cutting knife participates in cutting along with the increase of the machining diameter in the reaming and drilling process. The chip removal groove is a straight groove and is grooved to the bottom of the cutter bar, so that the chip removal effect when the bottom of a deep hole is machined is guaranteed; and a guide strip for supporting is designed, the supporting and guiding effects are achieved in the drilling process, and the situation that the drilling direction is deflected due to swing and the like is prevented.

The utility model relates to a protein high-flux purification device in the technical field of protein purification, which comprises a liquid receiving box, a deep hole plate is sleeved at the upper end of the liquid receiving box, a plurality of deep grooves are arranged at the upper end of the deep hole plate, water outlet holes communicated with the liquid receiving box are arranged on the inner bottom walls of the deep grooves, and a gasket is inserted in the deep hole plate. A pair of rectangular blocks are fixedly connected to a pair of side ends of the deep hole plate respectively; after purification processing, a spray head enters a deep groove, and water is sprayed out of the spray head under the pressure of a rubber plate to flush the inner wall of the deep groove, so that during use, the cleaning steps are simple and time-saving, personnel operation is facilitated, and after cleaning, clean water is sucked into a cover plate to be stored for next cleaning and use; and the deep groove is sealed through the cover plate, so that the interior of the deep groove is not prone to being polluted by dust, and dustproof protection is conducted on the deep groove.