38results about How to "Improve drilling quality" patented technology

The invention relates to the technical field of fire hydrant machining, in particular to fire hydrant automatic drilling equipment which comprises a machining table, a fixing unit used for fixing a fire hydrant body is arranged at the upper end of the machining table, and a machining unit is arranged above the fixing unit. According to the fixing unit, the fire hydrant body can be stably fixed inside and outside through the outer clamping assembly and the inner clamping assembly, the outer clamping assembly can apply outer clamping force which is uniform in the circumferential direction to the outer side of the fire hydrant body and can also provide support for a drilling point position at a connector of the fire hydrant body, and the drilling efficiency is improved. The bolt body is effectively prevented from deforming due to local stress concentration in the drilling process, meanwhile, rotation of the bolt body can be limited, the inner clamping assembly can be matched with the control piece to further conduct inner clamping on the inner wall of the bolt body, it is ensured that the bolt body is accurately and stably fixed, and therefore the drilling quality and efficiency are improved.

The present application provides a kind of inner slag discharging device and its slag discharging method, it includes high wear-resistant obturator, drill bit drill rod device, venturi water and drill slag dry-wet separator, the drill bit drill rod device is located in high wear-resistant obturator, drill slag dry-wet separator is connected with drill bit drill rod device by venturi water.The flow direction of drill slag can be changed by changing the running direction of slag discharging medium, so as to reduce the scouring, soaking and friction of slag discharging medium and drill slag on the hole wall, which is beneficial to the formation of drilling hole;It can achieve the purpose of point coring by achieving "falling and discharging simultaneously";Drilling cuttings can be well collected, which is beneficial to the civilized production of construction site and prevents dirtiness and disorder;If inert gas is used for slag discharging during construction, it can also achieve the purpose of inhibiting spontaneous combustion of coal seam.Through the above technical scheme analysis, the device is theoretically feasible and the operation is reliable, which provides good drilling quality for casing, greatly improves the success rate of drilling and casing and the extraction effect.

The invention relates to the technical field of PCB drilling, in particular to a double-station PCB drilling mechanism which comprises a drilling platform, the drilling platform is provided with a drilling device, the drilling platform is provided with a drilling supporting plate for supporting a PCB in a sliding mode, and the drilling supporting plate is provided with a drilling guide groove for the drilling device to penetrate through. The drilling device comprises a pair of drilling modules, each drilling module comprises a drilling head located on one side of the PCB, a guide cylinder is arranged on the other side of the PCB, the guide cylinder is provided with a guide drilling hole allowing the drilling head to enter in a guiding mode, the guide drilling hole of the guide cylinder is provided with a material belt allowing the drilling head to penetrate through during drilling, and the drilling device further comprises a tool changing mechanism. The tool changing mechanism comprises a tool changing platform, the tool changing platform comprises a driving plate and a tool changing disc, and the driving plate and the tool changing disc can relatively move in the Y-axis direction; the material belt is matched with the guide cylinder to press the hole site of the PCB, when the drilling head penetrates through the hole site, the hole site does not deform, burrs can be reduced in cooperation with buffering of the material belt, and the drilling quality of the PCB is improved.

The invention discloses a method for manufacturing a copper-block-embedded double-sided printed circuit board, which comprises the following steps of: slotting a core board, and controlling the slot precision within + / -50 microns; the core plate is placed on a marble platform, the copper blocks are placed in the groove holes, and it is ensured that the flatness of the copper blocks is within + / -12.7 micrometers; plugging the hole with vacuum resin, and pasting a high-temperature adhesive tape to fix the copper block after plugging the hole; the baking plate is vertically placed or fixed by a special jig; a UC type coating drilling tool is used for drilling, a segmented drilling mode is adopted to cope with hardness differences of different materials, and the service life of a drill bit is dynamically set and strictly controlled according to the diameter of the drilling tool, the thickness of a copper block and a laminated plate structure; hole metallization is carried out, full-board electroplating is carried out, and it is ensured that the hole copper thickness is 25-30 [mu] m; manufacturing an outer-layer circuit by adopting a high-precision pattern transfer process; and carrying out surface treatment, molding and electrical testing. According to the manufacturing method of the copper-block-embedded double-sided printed circuit board, the displacement risk of the copper block in a double-sided board structure is reduced by 15% through the measures of marble platform flatness control, vertical board baking and the like, and the problems of copper block fixing, precise drilling and interface reliability are systematically solved.

The utility model discloses a novel drilling device which comprises a lead screw, a rotating sleeve and a drill bit. The rotating sleeve is of a hollow cylindrical structure with one end open, a gear ring is arranged at the open end of the rotating sleeve, a connecting base is coaxially arranged at the end of the rotating sleeve, the lead screw is in threaded connection with the connecting base, one end of the lead screw extends into the rotating sleeve, and a limiting plate abutting against the rotating sleeve is arranged at the end, located in the rotating sleeve, of the lead screw. A mounting groove is formed in the end of the lead screw, the drill bit is connected with the lead screw in an inserted mode through the mounting groove, and a fastening screw connected with the drill bit in an abutting mode is arranged on the lead screw. The drilling device is simple in structure and easy to manufacture, install and use, drilled waste in the rotating sleeve can be effectively taken out, the drilling efficiency and the drilling quality of the drilling device can be greatly improved, and the drilling device has extremely high practicability and popularization value.

The utility model provides an automatic deviation correction drilling guide device for bridge and tunnel engineering anchor rod hole construction, and relates to the technical field of drilling guide. A base is mounted on the partition plate, a middle cylinder is mounted above the base, a top seat is mounted at the upper end of the middle cylinder and connected with the base through bolts, guide cylinders are mounted in the top seat, the middle cylinder and the base, bearings are mounted in the top seat, and the guide cylinders are sleeved with the bearings; by means of an automatic deviation rectifying structure composed of the lower fixing block, the elastic telescopic rod, the rail rod, the contact wheel and the like, when a drill bit deviates, the contact wheel is extruded to be in linkage with the elastic telescopic rod to reversely apply force to adjust the direction, and the drilling perpendicularity and precision are improved; dustproof rings and sealing rings in the base and the top seat form a multi-layer dustproof sealing structure, dust is prevented from entering the device, components are protected, the service life is prolonged, and the construction environment is improved; vibration impact is absorbed through a buffering and damping system composed of a buffering ring and a spring in the middle cylinder, and the drilling quality is improved.

This invention belongs to the field of machining technology, specifically relating to an optimized design method for stepped drilling tools for weakly rigid laminated structures. This method addresses the problems of workpiece deformation and interlayer scratches that easily occur during drilling of weakly rigid laminated structures. It uses interlayer clearance control as the core indicator and, based on the coupling relationship between drilling axial force and workpiece deformation, constructs a quantitative mapping relationship between the tool's stepped geometric parameters and the interlayer clearance during machining. Furthermore, by establishing a critical clearance criterion for interlayer damage and combining the deformation characteristics under different drilling modes, the key parameters of the stepped tool, namely the step diameter and step length, are optimized. This ensures that the maximum interlayer clearance during drilling remains below the critical value, effectively suppressing interlayer chip intrusion and interface damage, thereby improving drilling quality. This invention realizes a shift in tool design from experience-driven to mechanism-driven, and is applicable to high-quality hole machining of various weakly rigid laminated structures.

The invention provides a tempered glass drilling device, and relates to the technical field related to tempered glass. The tempered glass drilling device comprises a supporting column, a workbench is installed at the top of the supporting column, a lifting table is movably arranged in the middle of the workbench, a rotating disc is movably arranged in the middle of the lifting table, a support is installed on the outer wall of the rear side of the workbench, a drilling mechanism is installed at the top of the support, and a cavity is formed in the workbench; a working cavity is formed in the supporting column and communicated with the cavity, a linkage mechanism is contained in the cavity, a lifting mechanism is arranged at the coupling position of the linkage mechanism and the lifting table, a driving mechanism is arranged at the driving end of the linkage mechanism, and a rotating mechanism is arranged at the driving end of the rotating disc. The tempered glass drilling device has the advantages that tempered glass can be automatically conveyed to the top of the workbench, meanwhile, the angle of the tempered glass can be adjusted during drilling, and then the workload of workers is relieved.

The invention discloses a machining center indexing and positioning device for flange bolt hole machining, and relates to the technical field of flange machining, in particular to a machining center body, a machining platform arranged in the machining center body in a sleeved mode, and a machine box installed at the top of the machining platform is arranged in the machining center body in a sleeved mode. An indexing positioning disc, an indexing rotating mechanism and a laser distance measuring sensor are arranged in the machine box in a sleeved mode. According to the machining center indexing positioning device for flange bolt hole machining, after the two clamping assemblies are arranged to automatically clamp and center a flange plate workpiece to be machined, a laser distance measuring sensor can conduct stroke detection on the flange plate workpiece which is rotationally driven by the indexing rotating mechanism; once the laser distance measuring sensor outputs the distance value between the laser distance measuring sensor and the bottom surface of the flange plate workpiece, the appearance size of the flange plate workpiece is unqualified, and the flange plate workpiece belonging to defective products is screened in time and is prevented from being continuously circulated and processed, so that the processing rate of the defective products is reduced, and meanwhile, raw materials are prevented from being wasted.

The invention relates to a manufacturing method of a multi-layer circuit board. The manufacturing method comprises the following steps: respectively manufacturing a first laminated board and a first layer board; a through mounting groove is formed in the first pressing plate; putting the copper particles into the mounting groove; the first layer plate is pressed to the first pressing plate, and the first layer plate covers the mounting groove to form a multi-layer plate; according to the thickness of the multi-layer board, through holes are formed in the multi-layer board in a segmented drilling mode, and the through holes penetrate through the first-layer board and the copper particles. According to the manufacturing method of the multi-layer circuit board, the through holes in the positions where the copper particles are buried are formed in a segmented drilling mode, so that the continuous drilling depth of a drill bit can be reduced in the segmented drilling mode, the impact force borne by the drill bit when the hole positions are formed in the positions where the copper particles are buried is effectively relieved, and the quality of the multi-layer circuit board is improved. And the heat dissipation capability of the drill bit is improved, so that the problems of drill bit abrasion and needle breakage during drilling on the copper particles can be avoided.

The utility model relates to a machining clamp for drilling a control valve body, and belongs to the technical field of drilling clamps. The machining clamp comprises an inclined sizing block, a screwed plug and a clamp tool, the end A of the screwed plug is fixed to the inclined sizing block, the end B of the screwed plug is used for fixing the control valve body contained in the clamp tool, a cavity used for containing the control valve body is formed in the clamp tool, and a preformed hole matched with an inclined hole of the valve body is formed in the side wall of the clamp tool. The control valve body is fixed by arranging the clamp tool and the screwed plug in a matched mode, the clamp tool and the inclined sizing block are matched to facilitate drilling, the clamp tool is provided with the reserved hole matched with the inclined hole of the valve body, the drilling die sleeve is placed in the reserved hole, and the control valve body drilling device is simple in structure and high in machining efficiency, improves drilling machining quality, ensures the rate of finished products and saves cost.

This application provides an automated pneumatic drilling machine, comprising: a frame, horizontally placed on the ground with a base platform at the top; a sliding assembly, including a slide rail horizontally mounted on the base platform and a stamping table slidably mounted on the slide rail; a workpiece, horizontally placed on the stamping table; a pneumatic stamping assembly, suspended above the base, with a stamping plate at one end; and drill bits evenly arranged on the stamping plate. By densely arranging drill bits on the stamping plate and using the pneumatic stamping assembly to drive all drill bits to synchronously press down and drill holes, a single stamping operation can complete the hole positions that would require dozens or even hundreds of steps in traditional equipment. Compared to manual operation, it completely eliminates repetitive positioning time, significantly increasing productivity. The stamping table on the slide rail is driven by a servo motor, and the movement path is programmed and controlled by a PLC control terminal, resulting in high workpiece positioning accuracy and avoiding positional deviations during manual drilling operations.

The invention relates to the technical field of anchor cable drilling positioning, and discloses an NPR anchor cable construction drilling orientation controller which comprises a mounting plate, an electric push rod is mounted on one side of the mounting plate, a fixing plate is connected to the output end of the electric push rod, a mounting seat is arranged below the fixing plate, and a height adjusting mechanism connected with the fixing plate and the mounting plate is arranged on the mounting seat. A containing cavity is formed in the bottom end of the mounting base, a spherical base is arranged in the containing cavity, a mounting shaft rotationally connected with the mounting base is fixedly connected to the middle of the spherical base, an angle detection piece is arranged at one end of the mounting shaft, a direction adjusting assembly connected with the mounting shaft is arranged in the containing cavity, and a connecting rod is fixedly connected to the bottom end of the spherical base. The bottom end of the connecting rod is fixedly connected with a limiting cylinder; according to the NPR anchor cable drilling device, a drill rod can be conveniently clamped during NPR anchor cable construction drilling, directional drilling of the drill rod is effectively achieved, drilling stability and drilling quality are improved, and convenience is provided for NPR anchor cable construction.

The utility model provides an XPS (extruded polystyrene) extruded plastic plate processing drilling machine which comprises a machine frame, a drilling machine body, a drilling machine body, a drilling machine body, a drilling machine body, a drilling machine body, a drilling machine body, a drilling machine body and a drilling machine body. The XPS extruded plastic plate is placed on the top side surface of the machine frame; the clamping assembly is mounted on the surface of the rack, and the clamping assembly is used for limiting and clamping the XPS extrusion plastic plate; the adsorption mechanism is mounted on the bottom side of the rack, and the adsorption mechanism is used for adsorbing and fixing the XPS extruded plastic plate; and the anti-sputtering drilling mechanism is installed on the surface of the top side of the rack, and the anti-sputtering drilling mechanism is used for preventing scraps in drilling of an XPS extrusion plastic plate from sputtering. In the drilling process, the transparent protective cover is connected to the surface of the XPS extruded plastic plate in a sleeving mode, the transparent protective cover is limited through the guide columns, stable anti-sputtering use of the transparent protective cover is facilitated, drilling use of a drill bit on the surface of the XPS extruded plastic plate is not affected, the sputtering condition of drilling chippings is avoided, and centralized cleaning operation is facilitated.

The present invention relates to the technical field of mechanical processing equipment, and in particular discloses a CNC group drilling machine tool, including a workbench, four guide rods are arranged on the workbench, the four guide rods are provided with a lifting plate, a fixed plate and a top plate, a tooling assembly is arranged on the lifting plate, a drilling tool assembly is arranged on the upper surface of the fixed plate, a driving assembly is arranged on the top plate, the driving assembly is connected to the drilling tool assembly by transmission, a positioning assembly is arranged inside the workbench, and a control device is arranged on the top of the workbench. The present invention controls the feed amount of the workpiece through the movement of the lifting rod, the cooperation of the first detection block, the second detection block and the detection switch, and the control is precise. When drilling, the support plate supports the tooling plate, the tooling plate and the support plate are subjected to force, and the second actuator is not subjected to force, so as to avoid the damage of the second actuator due to force. After the drilling is completed, the second actuator drives the tooling plate to move, so as to ensure that the hole can be thoroughly drilled, and the drill bit verifies the hole to realize the correction of the hole axis deviation and improve the drilling quality.

The utility model belongs to the technical field of automobile parts processing, specifically is a kind of positioning fixture for automobile parts processing, including fixed base;The fixed base side wall is provided with slot;The slot side wall is rotatably connected with two-way screw rod and penetrates fixed base wall body;The two-way screw rod side wall is connected with a pair of connecting block by screw thread;Two-way screw rod transmission has the characteristics of transmission smooth, high precision, can accurately control the moving distance of two clamping blocks, avoid clamping deviation, guarantee drilling position precision, increase the clamping effect of different specifications and sizes of parts, improve versatility, while the cooperation of spring rod one and elastic block, can be through elastic deformation compensation small error on the surface of part, further improve clamping stability, elastic block soft and elastic, when clamping, can avoid rigid contact with the surface of part, prevent part surface from being clamped, scratch, protect the appearance and precision of part.

The invention relates to the technical field of drilling construction, and in particular to a deviation correction method for drilling construction. The invention determines a drilling area, performs experimental detection operations on soil in the drilling area, determines soil displacement characterization parameters based on the average stress of the drill rod combined with the shear stress, divides the soil displacement displacement categories in the drilling area according to the soil displacement characterization parameters, and adaptively performs drilling construction, or constructs a vibration amplitude time domain curve according to the vibration amplitude of the sleeve, analyzes the average slope of each time domain curve segment to determine whether the drilling is in an abnormal stage, determines whether the drilling has a deviation tendency based on the discrete value of the abnormal stage, adjusts the drilling pressure and the drilling speed according to the discrete value of the time domain curve segment combined with the soil displacement characterization parameters; or adjusts the mud injection rate during the drilling process according to the soil displacement characterization parameters, thereby reducing the deviation of the drilling and improving the drilling quality and efficiency.

The drilling clamp for the shaft gear is characterized in that the drilling clamp comprises a supporting seat and a pressing plate installed on the supporting seat, a gear shaft of the shaft gear is supported on the supporting seat, a gear body of the shaft gear is matched with the supporting seat in a radial positioning mode, and the pressing plate abuts against the gear end face of the shaft gear to press the shaft gear on the supporting seat in the axial direction. The clamping reliability of the shaft gear is guaranteed, the shaft gear can be drilled in the axial direction and the radial direction, multiple holes can be drilled through one-time clamping, the clamping time in the shaft gear drilling process is shortened, the drilling efficiency is improved, the clamping position error is reduced, the drilling precision is improved, the high requirement for the position between adjacent holes is met, and the drilling quality is improved. And the operability and the effectiveness of the shaft gear drilling procedure are improved.

The invention relates to the field of workpiece machining, and discloses a workpiece surface trepanning device which comprises a workbench, a containing groove is formed in the top face of the workbench, a discharging hole is formed in the inner bottom face of the containing groove, a sliding groove is formed in the rear side of the workbench, and a dust collector is fixed to the inner wall of the discharging hole. A sliding groove is formed in the top face of the workbench, a collecting box is slidably arranged on the inner wall of the sliding groove and connected with a dust collector through a pipeline, a fixing assembly is arranged on the inner wall of the containing groove, a placing plate is fixed to the inner wall of the containing groove, and a driving assembly is slidably arranged on the top face of the workbench. According to the aluminum scrap removing device, through cooperation of the dust collector, the draught fan and the scraping plate, aluminum scraps generated during workpiece drilling and after drilling can be effectively removed, the quality problems that the surfaces of drilled holes are not smooth or the hole diameters are not uniform and the like due to the fact that the scraps generated during drilling remain around the drilled holes or in the drilled holes are effectively solved, and therefore the scraps can be collected, recycled and reused.

This invention belongs to the technical field of oil drilling equipment, specifically a particle injection device for oil drilling, including a particle tank, which is a parallel double tank that can be used alternately; an outlet pipe is installed at the lower end of the particle tank, and an regulating pipe and an injection pipe are sequentially installed on the outlet pipe. A nozzle pipe and a mixing pipe are respectively installed at both ends of the injection pipe, and the mixing pipe is connected to the main manifold; a spiral plate is installed inside the mixing pipe; a control hose is installed inside the regulating pipe, and a control pipe is installed on the regulating pipe, connecting the control hose and the inner wall of the regulating pipe, and the control pipe is connected to an external hydraulic pump; this invention has a simple structure, can impact and agitate the particles in the tank to prevent particles from clogging the outlet, and at the same time, agitate the particles to make the particles and drilling fluid evenly mixed, while continuously controlling and adjusting the particle injection volume to change the concentration of injected particles.

The utility model relates to the technical field of sound production, and disclose a drilling device for sound production, including processing platform, the processing platform top is provided with drilling mechanism, the processing platform top is provided with fixed establishment, the drilling mechanism includes fixed frame, the fixed frame fixed connection is in the processing platform top rear side, the fixed frame inboard top fixed connection has the guide rod, the fixed frame right side fixed connection has first hydraulic cylinder, first hydraulic cylinder left side fixed connection has the mobile seat, when using, through the drilling mechanism that sets up, when needing to carry out the drilling work to the casing of loudspeaker installation in the sound production production process, the cooperation of guide rod and first hydraulic cylinder can drive mobile seat to move left and right, can conveniently adjust the drilling position transversely, can adapt to different drilling needs, the combination of second hydraulic cylinder and limiting rod guarantees the stability of mounting seat in the process of moving up and down, avoids the drilling deviation caused by the shaking.

The utility model discloses bench drill equipment for wood processing, and relates to the technical field of bench drill equipment.The bench drill equipment for wood processing comprises a base, a supporting column is fixedly connected to the surface of the base, an upper operation box is fixedly connected to the end, away from the base, of the supporting column, and a double-shaft motor is fixedly connected to the surface of the upper operation box; the bottom of the upper operation box is slidably connected with a drill bit, a lower operation box is arranged above the base, and the surface of the lower operation box is also rotatably connected with a drill bit. According to the bench drill equipment for wood processing, when a wood plate is drilled, the bottom and the top of the wood plate are sequentially drilled, and the situations that when the wood plate is drilled, due to the fact that the wood plate is gradually thinned and the bearing capacity of the wood plate is reduced, the surface of the wood plate cracks, edges are exploded, and burrs are too large are avoided; and therefore, the drilling quality of the device on the wood board is improved, the rejection rate is reduced, and high popularization value and practicability are achieved.

The utility model belongs to the technical field of woodworking drilling machines, and particularly relates to a spacing-adjustable multi-spindle drilling machine, which comprises a working table, a U-shaped moving table, a fixed table, a fixed table, a fixed table, a movable plate I, a fixed table II, a fixed table III, a fixed table IV, a movable plate IV and a movable plate IV, and is characterized in that the movable plate I is arranged on the movable plate I and can realize height adjustment; the plurality of blocks are arranged on the top surface of the U-shaped moving table in a sliding manner; the second moving plate is horizontally arranged on the U-shaped moving table in a sliding mode and located below the block body, and a plurality of fourth sliding grooves are formed in the second moving plate; the limiting columns are arranged on the bottom surface of the block body and are inserted into the fourth sliding grooves in the corresponding positions in a sliding mode; the wood side drilling device has the advantages that wood side faces with different thicknesses and widths can be drilled, the distance between the drill bits can be adjusted more easily, the needed cost is reduced, the application range is wider, and the wood side drilling device is more practical.

The invention discloses a cutter and a preparation method, and relates to the technical field of cutter coatings. The drill point is prepared by depositing the wear-resistant coating on the surface of the cutter base body of the drill point and then grooving to prepare the cutting edge, so that the wear-resistant coating with higher thickness can be deposited on the premise that the cutting performance is not influenced; internal stress between materials with different hardness is buffered through the stacking design of the transition layer and the functional layer in the wear-resistant layer, so that the service life of the drill point is greatly prolonged, meanwhile, the stability of the drill point is better, and the drilling quality is higher.

The utility model discloses a kind of punching device for office table production, it is related to office table production technical field, the device includes drilling portion, adjusting portion and clamping portion, drilling portion rotation is arranged on adjusting portion, adjusting portion is used to adjust drilling portion position and adjustably set on clamping portion, clamping portion is used to clamp table leg.Drill bit of drilling portion is detachably set in drilling installation shaft by drilling installation ring, adjusting portion is rotated and radial position adjusting to drilling portion by adjusting motor and adjusting cylinder realization.The device is drilled from the inner wall of office table leg, avoids damaging outside decorative surface, reduces rework cost;With lumen geometric center positioning, improve drilling precision and product quality;It has the design of convenient drill bit replacement simultaneously, improve equipment use flexibility and operation convenience, suitable for the processing of office table leg and other hollow tubular structural components.

The invention discloses a point switch mounting angle steel marking die and drilling device, which comprises a marking die and a drilling device, the marking die comprises a bottom plate and a plurality of C-shaped clamping devices, the bottom plate is provided with a plurality of positioning plates and a clamping area matched with the plurality of C-shaped clamping devices, the bottom plate is also provided with positioning holes, and the positioning holes are communicated with the C-shaped clamping devices. The bottom plate is fixed on a steel rail by the C-shaped clamping device; the drilling device comprises a machine base and a cooling device, a rail chuck, an engine, a drilling handle and a drilling machine are installed on the machine base, the drilling machine is installed on the machine base through a sliding base, a drill bit of the drilling machine is inserted into the positioning hole, and the drilling handle is connected with the sliding base and can drive the sliding base to move front and back. A special die and a matched drilling device are adopted, the drilling position can be accurately determined, measurement errors are reduced, and the drilling quality is improved. The installation precision of the switch machine is improved, and safe operation of a train is ensured.

The utility model relates to the field of drilling processing discloses a kind of drilling tool. It includes base, rotating table, locking assembly and unlocking push plate, driving shaft is rotatably equipped on base, driving gear is equipped on driving shaft and rotates synchronously, rotating table is rotatably connected with base, rotating table is equipped with meshing groove and driving gear is mutually engaged, when driving gear drives rotating table to rotate, to be suitable for the inclination angle of product is adjusted;Locking assembly is provided with two groups, two groups of locking assembly are suitable for being inserted in the corresponding tooth slot of driving gear, and the forward and reverse rotation of driving gear is locked and positioned;Unlocking push plate is slidably connected with base, unlocking push plate is located between two groups of locking assembly, suitable for driving two groups of locking assembly to be released from locking driving gear in the tooth slot of driving gear. The utility model double locking and positioning structure is not easy to drive product to slightly rotate in the process of drilling, improves drilling quality;When unlocking, it is easy to operate.

This invention discloses a multi-stage drilling trajectory stabilizer, comprising an outer casing and an electric cylinder. An mounting cylinder is fixedly installed on the top of the outer casing, and an auxiliary stabilizing sleeve is fixedly installed inside the mounting cylinder. Two sliding grooves are formed inside the outer casing, and sliding rods are slidably installed inside each of the two sliding grooves. An extension connecting rod is threaded to the top of each sliding rod, and a connecting sleeve is fixedly installed on the top of each sliding rod. The invention employs a dual stabilizing structure with the auxiliary and main stabilizing sleeves working in tandem, guiding and constraining the drill rod during the drilling and deep hole machining stages respectively. This fundamentally ensures a straight drilling trajectory and precise hole positioning, significantly improving drilling accuracy and hole shape quality. The main stabilizing sleeve can move downwards in real time with the drilling depth, and a connector extends into the hole for auxiliary positioning, effectively solving the problems of drill rod wobbling and deflection during deep hole machining, reducing the risk of drill rod vibration and breakage, and extending the service life of the drill rod.