175 results about "Drill bushing" patented technology

The utility model discloses a gear rapid inclined hole drilling clamp which is characterized in that the gear rapid inclined hole drilling clamp comprises an installation bottom plate, a vertical plate, an inclined supporting plate and an inclined bottom plate, the vertical plate and the inclined supporting plate are vertically arranged on the installation bottom plate, the inclined bottom plate is arranged on the top face of the vertical plate and the top face of the inclined supporting plate, a tooth-shaped positioning block is arranged on the inclined bottom plate, and the tooth-shaped positioning block is arranged on the inclined bottom plate. The tooth-shaped positioning block is provided with a tooth-shaped positioning face meshed with a gear, a V-shaped block is arranged on the inclined bottom plate on one side of the opposite direction of the tooth-shaped positioning block in a sliding mode, a driving device for driving the V-shaped block is arranged on the vertical plate, and a drill jig base is arranged on the inclined bottom plate. And a drill bushing of which the axis direction is vertical to the mounting bottom plate is arranged on the drill jig seat. The clamp has the advantages that the clamp is simple in structure and low in manufacturing cost, the gear is convenient to clamp and position, rapid drilling can be achieved, the machining efficiency can be improved, the position precision of oil hole machining is high, and it can be repeatedly guaranteed that the oil hole is aligned with the tooth groove of the gear in the center.

The utility model belongs to the technical field of helicopter assembly fixture design, and relates to a device for gluing an inspection opening of an oil tank. The device comprises a bottom plate, a positioning template, a pressing plate, a positioning block, a step drill bushing and a conical positioning pin, step drill bushings are mounted on through holes, corresponding to bolt passing holes of the annular part, of the positioning template; the positioning template is placed on the bottom plate; the conical positioning pin is a cylindrical pin with a conical flange in the middle, and the lower part of the cylindrical pin is inserted into the step drill bushing and is in clearance fit with the step drill bushing; a conical flange of the conical positioning pin is in clearance fit with a bolt passing hole of which the upper part is inserted into the upper panel of the annular part; the positioning block is installed in a space formed by the bottom plate and an inner ring of the annular part, the outer surface of the positioning block is attached to the inner surface of the annular part to achieve positioning, and the positioning block is higher than the annular part; and the pressing plate is sleeved on the positioning block and covers the lower panel of the annular part.

The utility model discloses a gear drilling clamp, characterized in that: including clamp base, support plate, clamp base plate, wherein the clamp base plate is set up on the clamp base through the support plate, the middle part of clamp base plate is provided with the vertical positioning shaft of elevating, be provided with the locating block on the clamp base plate, the one side of locating block is provided with the drill jig seat, the drill jig seat upper portion is provided with the drill jig board that extends to the above of locating block horizontally, be provided with the drill bushing on the drill jig board, be provided with the horizontal sliding tooth groove locating block on the drill jig seat, the front end of tooth groove locating block has with the gear tooth groove structure to the adaptation of fixed tooth taper, be provided with the pressure cylinder of pressing the gear upper end face on the clamp base plate. The utility model has the beneficial effects including: the clamp structure is simple, and workpiece clamping is convenient, and the positioning accuracy is high, and the processing error is little, and the gear drilling processing efficiency and product qualification rate have been improved significantly.

The utility model relates to an edge grinding auxiliary device for a twist drill. Comprising a grinding machine, a protective cover is arranged outside a grinding wheel of the grinding machine, an edge grinding device mounting unit is arranged on the protective cover, and an edge grinding unit matched with the grinding wheel is arranged at the top of the edge grinding device mounting unit; the cutter sharpening unit at least comprises a quick-change support, a self-aligning nut is arranged at the top of the quick-change support, a rotary stud is arranged in the self-aligning nut in a penetrating manner, a twist drill bushing is arranged on the end face of the outer side of the rotary stud, and the included angle between the rotary stud and the twist drill bushing is 90 degrees; an included angle between the center line of the aligning nut and the quick-change support is 31 degrees; the inner diameter of the twist drill sleeve is 0.1 mm larger than the outer diameter of the twist drill. And the up-and-down swinging rotation angle of the twist drill bushing is 20-30 degrees. The twist drill cutter sharpening device has the advantages of being simple in structure, reasonable in design and capable of reducing operation difficulty and improving working efficiency while guaranteeing the twist drill cutter sharpening progress.

The utility model discloses an inclined hole drilling clamp for a flange part, which comprises a base, an inclined surface fixing frame, a clamping device, an inclined hole drilling device and an inclined hole drilling device, and is characterized in that the base is fixed on a drilling machine table-board; the bottom plate is fixed to the inclined face fixing frame in a bolted mode, the protruding part of the flange part corresponds to the inclined back face of the bottom plate and is positioned through a part positioning pin, the inclined front face of the bottom plate is provided with an opening, a drill bushing is embedded in the opening, and the drill bushing corresponds to the drilling position of a drilling machine and the to-be-drilled position of the flange part; the fixing clamp comprises a clamping seat, a driving arm and an extrusion arm, the clamping seat is fixed to the bottom plate in a bolting mode, a handle is installed on the driving arm, the movement direction of the extrusion arm is perpendicular to the bottom plate, and the extrusion arm is controlled by pushing the handle to press the flange part to the bottom plate. The flange part is installed on the clamp through the back face of the inclined base and is rapidly fastened through the fixing clamp, and therefore the situation that due to the fact that the installation space is limited, the drilling jig slides is avoided, and installation convenience is improved; and meanwhile, the machining accuracy is improved, and the production efficiency is improved.

The utility model discloses an aviation structural member blind bolt dismantling frock, the vertical rectangular through -hole is set up in the inside of rectangular positioning frame, the horizontal threaded through -hole is set up on positioning frame circumferential four side wall surface respectively, rectangular movable block is located in rectangular through -hole, the vertical positioning through -hole is set up in movable block inside, the strip -shaped mortise is set up on movable block circumferential four side wall surface respectively, and the length direction of strip -shaped mortise is with movable block length direction same direction, and the wave pearl positioning bolt is set up in threaded through -hole to its front end and stretches into strip -shaped mortise bottom surface and is combined, is installed a plurality of sucking disc on positioning frame one side surface, and drill bushing inserts positioning through -hole, and the lower end face on drill bushing is equipped with the positioning dog corresponding with the blind bolt of to be removed, and sucking disc and positioning dog are in the upside or downside of positioning frame. The dispersedly distributed sucking disc guarantees and different parts effective adsorption, and positioning frame, movable block, wave pearl positioning bolt form adjusting mechanism, after having been adsorbed to complete through sucking disc in positioning frame, still can adjust movable block and drill bushing in a certain range.

The invention relates to the technical field of perforating machines, and discloses an automatic bolt sleeve perforating machine which comprises a six-axis robot and a double-end lathe, an inverted drilling machine is arranged on one side of the six-axis robot, the double-end lathe is arranged on the outer side of the six-axis robot, a feeding conveyor and a discharging mechanism are arranged on the outer side of the six-axis robot, and the double-end lathe is arranged on the outer side of the six-axis robot. The inverted drilling machine comprises a movable seat and a drilling sleeve, a pressing block is arranged at the bottom of the movable seat, and a bolt sleeve is arranged between the pressing block and the drilling sleeve. The problems that in an existing bolt sleeve manufacturing process, due to a sectional type machining mode, workpiece cross-region transfer is tedious, and manual carrying and logistics scheduling are involved are solved; the machining efficiency of the bolt sleeve is greatly improved, the production cost is reduced, and the product quality and the production safety are improved.

According to the auxiliary vertical punching tool for the aluminum profile, three groups of twelve hole sites are arranged on the panel in a radioactive mode, the hole sites accurately correspond to 2020, 3030 and 4040 aluminum profiles respectively, the corresponding aluminum profiles can be perfectly matched by locking backing strips on the different hole sites, and only the positions of the backing strips need to be changed, so that the auxiliary vertical punching tool for the aluminum profile can be used for punching the aluminum profile. According to the aluminum profile punching device, the aluminum profiles of different models can be subjected to auxiliary vertical punching operation only by rotating the rotating shaft, the universality is excellent, positioning is accurate, the adjusting mode is simpler and more convenient, the stability is higher, and meanwhile the machining efficiency can be improved. Comprising a panel, backer strips, threaded holes, drill bushing hole sites, backer hole sites, limiting cylindrical screw holes, limiting holes and hand screws. The threaded hole is formed in the backing strip, the drill bushing hole site is formed in the panel, the backing hole site is formed in the panel, the limiting cylindrical screw hole is formed in the panel, and the limiting hole is formed in the panel.

The utility model belongs to the technical field of nut drilling, and particularly relates to a precise positioning adjustable drilling device which comprises a nut positioning block, an adjusting positioning block is detachably connected to the outer wall of the nut positioning block, the adjusting positioning block is in threaded connection with a first adjusting screw rod, a guide assembly is arranged on the outer wall of the nut positioning block, and a second adjusting screw rod is arranged on the guide assembly. A nut positioning opening is formed in the side, away from the adjusting positioning block, of the nut positioning block, the guide assembly comprises a drill bushing, the upper side of the drill bushing is fixedly connected with a trapezoidal block, and the trapezoidal block is slidably connected with a mounting block; and the limiting block is rotationally connected to the outer wall of the mounting block, and the upper side of the mounting block is rotationally connected with a second adjusting screw rod. According to the adjustable drilling device capable of achieving accurate positioning, after a nut is fixed, the position of the nut can be adjusted by adjusting the position of the device, operation is flexible, meanwhile, the drilling position is limited through the design of the drilling sleeve, and the drilling quality is guaranteed.

The invention belongs to the field of radome manufacturing, and particularly relates to a method for accurately manufacturing a rubber sealing belt connecting hole for a composite cover body. As the rubber sealing belt is soft, a drill bit cannot be used for drilling, and generally, a blade is used for cutting the rubber sealing belt along the hole edge of the manufactured composite cover body for drilling. The invention provides a method for accurately manufacturing a rubber sealing belt connecting hole for a composite cover body, which is characterized in that a composite cover body punching device is designed based on the appearance and the punching position of the composite cover body, and firstly, a composite cover body rubber sealing belt is positioned and placed at the upper end of a limiting punching die; then, a pressing plate is placed at the upper end of the rubber sealing belt of the composite cover body, and the pressing plate is pressed through a rapid pressing device; and the punch is controlled to quickly pass through the drill bushing upwards at the lower end of the table board so as to cut a connecting hole of the rubber sealing belt of the composite cover body. The consistency of the rubber sealing belt connecting holes of the composite cover body and the hole positions of the composite cover body is guaranteed, and the efficiency of accurately manufacturing the rubber sealing belt connecting holes is improved.

The utility model provides a vertical drill bushing for aeronautical part machining, relates to the technical field of vertical drill bushings, and aims to solve the problems that when an existing vertical drill bushing is used, the height of the vertical drill bushing cannot be conveniently adjusted according to requirements to meet the punching requirements, and the practicability is poor. A main body is slidably mounted in the fixing part; a contact piece is arranged at the top of the lower fixing piece; the top of the locking piece is connected with the fixing piece above the locking piece through a spring; an inner groove is formed in the locking piece; a contact piece is slidably installed in the inner groove. The locking piece is pulled upwards, so that the locking piece moves on the connecting rod and compresses the spring, the sliding depth of the main body in the positioning piece is freely adjusted, the bottom of the main body makes better contact with a workpiece, the locking piece is driven to move through reset of the spring, and the top of an inner groove of the locking piece makes contact with the inclined face of the top of the contact piece. And the contact piece is extruded, so that the contact piece locks the position of the main body, and the practicability is higher.

The utility model discloses a combined type hole guiding device which is characterized in that an upper pressing plate and a lower pressing plate are oppositely arranged to form a main body structure of the combined type hole guiding device; the hole guiding end of the combined hole guiding device and the drill bushing seat are vertically and fixedly installed on the upper end face of the upper pressing plate in the axial direction, the drill bushing is installed in the drill bushing seat in an embedded mode, the positioning guide pin is vertically and fixedly installed on the lower end face of the lower pressing plate in the axial direction, and the drill bushing and the positioning guide pin are coaxially installed. An interlayer gasket is clamped among the handheld end, the upper pressing plate and the lower pressing plate of the combined hole guiding device, an upper handle cover is arranged on the upper end face of the upper pressing plate, and a lower handle cover is arranged on the lower end face of the lower pressing plate. According to the combined type hole guiding device, the interlayer gaskets with the corresponding thicknesses can be replaced to meet the hole guiding requirements of parts with different thicknesses, and the drill bushings can be replaced to meet the hole making requirements of different hole diameters; the hole guiding device is convenient to operate, wide in application range and capable of improving the quality and efficiency of hole guiding operation.

The utility model provides a drilling soil sampling device for roadbed compactness detection, a twist drill is sleeved in the middle of a sheath, two ends of the twist drill penetrate through two ends of the sheath, the twist drill is connected with the lower end of a rotating handle through an upper end connecting block, a collecting mechanism is arranged on the inner side of the upper end of the sheath, and the collecting mechanism is detachably connected with the upper end of the sheath through a lower end fixing column of the collecting mechanism. A scraping rod is arranged on the inner side of the collecting disc, the scraping rod extends into the inner side of a thread of the twist drill and is used for scraping a soil sample taken by the twist drill, a fixing mechanism is arranged on the outer side of the sheath, and the sheath is arranged above a soil sampling point through the fixing mechanism. The problems that a drilling and soil sampling device is not easy to disassemble and replace and soil sampling is inconvenient are solved.

The present application belongs to the technical field of steam turbine rotor impeller processing, in particular to a drill jig for fork type impeller pin hole of steam turbine rotor and a processing method, comprising a workbench, a positioning assembly and a drill jig assembly; the drill jig assembly comprises a pressure plate, a hydraulic cylinder, a movable sleeve, a drill jig plate, a side edge plate, a drill sleeve and a punching mechanism; the side surface of the pressure plate is provided with an annular guide rail; the movable sleeve is slidably connected to the annular guide rail; the drill jig plate is slidably connected to the inside of the movable sleeve; through the cooperative work of the positioning assembly and the drill jig assembly, the precise control of the angle and position in the impeller pin hole processing process is realized, the hole position deviation problem caused by manual line drawing error in the traditional processing mode is effectively avoided, and after one-time punching, the side edge plate, the drill jig plate and the movable sleeve can be rotated as a whole to adjust to the next punching angle, so that the processing of all different angle pin holes can be continuously completed without repeated disassembly of the drill jig, and the processing efficiency is significantly improved.

The utility model discloses a cooling water channel drilling device and a diesel engine, the cooling water channel drilling device comprises a drill jig arranged on the surface of a machine body, and the machine body is provided with a mounting hole; the pressing assembly is arranged in the mounting hole and is used for fixing the drill jig on the machine body; the drill bushing is arranged on the drill jig and is used for being obliquely inserted into the machine body; the stop assembly is arranged on the drill jig and used for fixing the drill bushing; and the drilling assembly is arranged in the drilling sleeve and can drill the machine body along the drilling sleeve. According to the cooling water channel drilling device and the diesel engine, positioning of the drilling assembly is achieved through the drilling jig, the pressing assembly, the drilling sleeve and the locking assembly, it is ensured that the drilling assembly only needs to conduct drilling operation along the drilling sleeve, it can be ensured that the drilling process is stable and rapid, the correct position of a workpiece is ensured, hole position movement caused by external force is avoided, and the drilling efficiency is improved. The machining quality is effectively stabilized, and the machining efficiency is improved.

An adjustable navigated surgical drill sheath includes a handle, main body, and adjustment arrangement. The main body can receive a separate surgical drill bit through a top opening, a hollow region therethrough, and a bottom opening. The adjustment arrangement can facilitate setting a specific drill depth corresponding to the maximum distance that the drill bit can extend past the bottom opening and allows for multiple different specific drill depths. The adjustment arrangement can include a removable insert having locking features than can be moved up and down within the hollow region and a latching mechanism that interacts with the locking features to lock the insert at a specific position relative to the main body to set the specific drill depth. Fiducial markers coupled to the main body can facilitate use of the surgical drill sheath as a navigated device in an augmented reality environment.

The invention belongs to the technical field of drilling auxiliary devices, and discloses an inclined threaded hole drilling auxiliary device which comprises a machine tool platform, a universal radial drilling machine and a drill bushing, the machine tool platform is provided with a cross beam assembly, the cross beam assembly comprises four cross beams, the four cross beams form a cross shape, and scale marks are arranged on the cross beams; a screw rod is arranged in the center of the cross beam assembly and detachably connected with a first pressing assembly. The cross beam is slidably connected with a roller assembly, the roller assembly comprises a connecting frame, the connecting frame is rotatably connected with an inner-diameter roller and a plane roller, the axis of the inner-diameter roller is perpendicular to the machine tool platform, and the axis of the plane roller extends in the length direction of the cross beam; the machine tool platform is detachably connected with a roller pressing plate assembly; the machine tool platform is detachably connected with a second pressing assembly used for fixing the shell. The problems that according to an existing drilling machining technology for the inclined threaded hole of the metal shell, the metal shell slides easily, and the drilling position and angle precision is low are solved.

The present application belongs to the field of processing equipment, and provides a simulation intersection hole expanding hinge processing clamp, which comprises a bottom plate and a mounting assembly, a threaded hole is arranged on a drill jig, a portable processing equipment is fixed on the drill jig by means of a draw bolt, a precise bushing hole is arranged at the center of the drill jig, and the drill jig is positioned in cooperation with a drill sleeve of the portable processing equipment. The mounting seat comprises a base and a pressing part, a workpiece is pressed by means of a bolt, a groove is formed in the mounting seat, and the workpiece is fixed by means of a groove piece, so that the workpiece cannot rotate during processing. The wedge block plays an auxiliary positioning role, the drill jig plate, the mounting seat and the bottom plate are tightly contacted by means of a bolt pressing, and the positioning accuracy is ensured. The present application is aimed at intersection hole expanding hinge processing, effectively simulates the working condition of experimental intersection expanding hinge processing, the clamp can meet the requirements of the portable processing equipment during processing, and ensures that the coaxiality and the accuracy meet the standards.

This utility model belongs to the technical field of engine parts, specifically a drilling and positioning fixture for an engine crankshaft inclined oil hole. It includes a base with a support block on it. The support block has a right-angled triangular cross-section with a 60° inclined surface. A working plate is provided on the inclined surface, with a first strip-shaped hole and a first locking hole. A drill sleeve is installed in the first locking hole. The drill sleeve includes a locking block and a guide block. The guide block is cylindrical and engages with the first locking hole. The locking block is located at one end of the guide block. The other end of the guide block has a milled inclined surface facing the side wall, with an angle of 30 degrees between the milled inclined surface and the central axis of the guide block. A guide hole is provided on the milled inclined surface, perpendicular to it. The milled inclined surface is horizontally upward. The eccentric hole at the crankshaft's machining end is fitted onto the drill sleeve, with one end inserted into the first strip-shaped hole. The crankshaft is positioned by the drill sleeve. The inclined oil hole is vertical. The drill sleeve supports and positions the crankshaft, improving the clamping and positioning efficiency of the crankshaft while reducing the workload of workers and increasing work efficiency.

The utility model discloses a crankshaft inclined oil hole drilling clamp which is characterized in that the crankshaft inclined oil hole drilling clamp comprises a bottom plate, angle vertical plates and a connecting plate, the number of the angle vertical plates is two, the angle vertical plates are vertically arranged on the bottom plate, the angle vertical plates are arranged in parallel, the connecting plate is arranged on inclined planes of the two angle vertical plates, and two V-shaped positioning blocks which are arranged at intervals are arranged on the connecting plate. A crank throw positioning block is arranged between the two V-shaped positioning blocks, a jacking mechanism used for jacking the crank throw part of the crankshaft to the crank throw positioning block is arranged on the connecting plate, a drill bushing support is arranged on the connecting plate, a mounting face parallel to the top face of the bottom plate is arranged on the top of the drill bushing support, and a drill bushing bearing plate is arranged on the mounting face. A vertically-arranged drill bushing is arranged on the drill bushing supporting plate, and the axis of the drill bushing intersects with the axis of the shaft rod part of the crankshaft. The crankshaft inclined oil hole drilling clamp has the advantages of being simple in structure, convenient to clamp, low in manufacturing cost, capable of guaranteeing that the crankshaft does not deviate in the inclined oil hole drilling process, high in drilling precision and capable of remarkably improving machining efficiency.

The utility model provides a carbon tube positioning and punching device. The device comprises an end cover; a containing cavity is formed in the drill jig, a carbon tube is placed in the containing cavity, one end of the drill jig is provided with a first opening part, the first opening part is communicated with the containing cavity, the end cover is movably connected with one end of the drill jig, and groove holes are formed in the side faces of the two ends of the drill jig respectively; and the drill bushing is arranged in the groove hole, and the drill bushing is in clearance fit with the groove hole. According to the embodiment of the invention, accurate position punching of the carbon tube can be realized, and the accuracy of the punching position of the carbon tube is ensured.

The utility model discloses a drill bushing for metal plate broaching, which relates to the technical field of broaching and comprises a broaching drill bushing, and a positioning ring sleeve is fixedly connected to the center of the top end of the broaching drill bushing. The positioning ring sleeve is communicated with the interior of the reaming drill sleeve; a guide drill rod is mounted in the positioning ring sleeve in a sliding manner; the bottom end of the guiding drill rod extends to the position below the reaming drill sleeve. A plurality of annular drilling tools are annularly, uniformly and fixedly mounted at the bottom end of the reaming drill sleeve; the annular drilling tool is arranged in a triangular cone shape, by designing the shape of the annular drilling tool, the annular drilling tool is made to be thin at the lower portion and thick at the upper portion, and the inner wall of the annular drilling tool is an inclined arc-shaped face, a cut hole material plate can rapidly fall off from the inner wall of the annular drilling tool in the hole expanding process, the hole expanding efficiency of the hole expanding drill sleeve is improved, meanwhile, a cutting tool bit can be exposed in time, and therefore the hole expanding drill sleeve is convenient to use. The influence of accumulation of cut hole material chippings on reaming cutting is prevented, the problem that the tool bit of the annular drilling tool is abraded due to accumulation of the hole material chippings is solved, and the use performance of the reaming drill bushing is improved.

The application belongs to the field of processing equipment, and proposes a kind of analog small hole drilling processing fixture, including support base, tool guide and workpiece mounting seat.The front drill sleeve support seat, rear drill sleeve support seat and workpiece mounting seat are all installed on the support base, and the axial position thereof can be adjusted.The clamping bolt is clamped on the notch opened by the replaceable workpiece, and simultaneously limits the axial freedom and rotational freedom of the workpiece, so that the workpiece can be quickly clamped and released by loosening the clamping bolt.The application can quickly clamp and replace the workpiece, ensure the axiality and accuracy, improve the efficiency of hole drilling processing test, and reduce the experimental cost.The position of drill sleeve and workpiece can be adjusted for experiment, the design parameters of processing equipment are optimized, and the processing effect of hole drilling equipment under different working conditions is optimized.

The application discloses a mixed driving accumulator head deep drawing drilling device, and relates to the technical field of hydraulic machine deep drawing drilling automation, which comprises an upper die part, a lower die part and a drilling part. The upper die part comprises an upper die plate, a blank holding oil cylinder, a male die seat, a male die, a blank holder pad, and a blank holder. The lower die part comprises a lower die seat, a lower die seat vertical plate, a female die, a female die seat, a material removing plate and a material removing spring. The drilling part comprises a drilling power part and a drilling feeding part. The drilling power part comprises a direct current speed regulating motor, a motor mounting seat, a lifting plate, a drill bit, a drill sleeve, a drill sleeve fixing seat, a lifting rod, a lifting plate, a lifting plate screw, a lifting plate spring, a wire gauge seat and a wire gauge mounting plate. The drilling feeding part comprises a servo motor, a bevel gear, a ball screw, a screw nut, a bearing and a screw rod moving mounting plate. The application has high automation degree, can complete two processes of drawing and drilling at one time, avoids positioning errors caused by secondary clamping, can eliminate part of deformation stress after drilling and improves the stability of the blank.

The utility model provides a drill jig for an inner ring axial hole of a low-pressure stationary blade ring. The drill jig comprises a drill jig positioning ring and a flat pressing plate, the side, with the groove, of the drill jig positioning ring is downwards installed to the end face of the inner ring, the drill jig positioning ring is provided with a positioning pin, and the positioning pin is connected with a pin hole in the inner ring and conducts angle positioning. The flat pressing plate is arranged at the upper end of the drill jig positioning ring, and the upper end face of the drill jig positioning ring is fastened and locked through the hexagon socket cap screws. The inner ring end face pin hole position is used for conducting pin positioning, the drill bushing is used for conducting drilling position positioning, and the radial drill conducts drilling and chambering machining on holes of the inner ring end face pin hole position. The center three-axis numerical control machining center has the advantages of being simple and convenient to install, firm in fixing, easy to machine, high in machining efficiency and the like, the problem that the productivity of the center three-axis numerical control machining center is insufficient is solved, and meanwhile machining efficiency is improved on the premise that machining precision is guaranteed.

The utility model discloses a drill bushing device for drilling holes in a bridge plate, and relates to the technical field of bridge plate drilling equipment. The device comprises two vertically-arranged first positioning plates and two transversely-arranged second positioning plates, and strip-shaped holes extending in the length direction of the first positioning plates and the second positioning plates are formed in the ends of the first positioning plates and the ends of the second positioning plates. The strip-shaped holes in the ends of the first positioning plates and the second positioning plates are crossed, a drill bushing tool used for positioning a drill bit is arranged at the crossed position, the two first positioning plates are connected with a first distance adjusting mechanism used for adjusting the relative distance between the two first positioning plates, and the two second positioning plates are connected with a second distance adjusting mechanism used for adjusting the relative distance between the two second positioning plates. According to the drilling sleeve device, flexible hole position adjustment can be achieved, drilling positioning is accurate, accurate drilling positioning can be conducted on a plate with the system line angle changing after arching, the drilling operation difficulty is lowered, and the drilling precision is improved.

The invention belongs to the technical field of aerospace manufacturing, and provides a narrow and small space reverse hole guiding device which comprises an outer plate, an inner plate, an inner plate and a guide rod. The inner plate is opposite to the outer plate, a movable guide column is arranged at one end of the inner plate, the other end of the inner plate is fixedly connected with the other end of the outer plate, and a certain distance is formed between the outer plate and the inner plate; and the tightening bolt is mounted on the inner plate and is used for fixing a part. The technical problem that reverse hole guiding is difficult in an existing narrow space is solved, and reverse hole guiding operation in a narrow operation space is achieved.

The utility model discloses a positioning drilling frock, including drill jig, ranging assembly and fixed component. A plurality of die holes of arranging according to set size have on drill jig, and the die hole is assembled with the drill bushing, and the lower surface of drill jig has the support part of protruding downward, which is used for contacting with the upper surface of frock clamp assembly table bottom plate, ranging assembly can determine the position of drill jig on frock clamp assembly table bottom plate, and fixed component can detachably fix drill jig on the upper surface of frock clamp assembly table bottom plate. When the new vehicle model is introduced or the technical improvement project needs to add new clamp base connecting component on frock clamp assembly table bottom plate, the positioning drilling frock can be used, and the mounting hole position of required quantity and set position can be quickly and accurately processed on frock clamp assembly table bottom plate, breaking the traditional drilling process of pure manual scribing combined with experience real allocation, realizing the standardization, flexibility and generalization of drilling processing size precision.

The invention relates to the technical field of forage grass detection, in particular to an automatic detection device for detecting forage grass components, which comprises a graduated tube and a detector. The lower end of the graduated tube is fixedly sleeved with a drill bushing used for being inserted into forage grass, and a control rod is slidably inserted into the graduated tube. According to the automatic detection device for detecting the components of the forage grass, on the aspect of guaranteeing the sampling authenticity, a scraper-scraping strip-sealing plate collaborative protection mechanism is constructed for solving the problem that when a traditional tool is inserted into a material, an upper layer / shallow layer material is prone to being attached to the outer wall, and consequently detection distortion is caused; the control rod is pressed to drive the scraping plate and the scraping strip to move upwards, so that surface layer materials adhered to the outer wall of the drilling sleeve can be accurately scraped, and for powdery / fine-grain forage grass, upper layer floating powder (containing trace additives and fine-grain nutritional ingredients) can be prevented from being mixed into a deep layer sample due to density layering; for granular forage grass, surface mycotic spores, dust and other pollutants can be removed, and hygienic index misjudgment is prevented.

1. The name of the design product: tripod type vertical drill bushing. 2. The use of the design product: used for high-precision manual drilling in aircraft assembly operations. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.