294 results about "Drill bushing" patented technology

The invention relates to the technical field of tunnel excavation equipment, in particular to an intelligent inclined shaft excavation slag removal trolley which comprises a trolley body, the trolley body is movably arranged in an inclined shaft, the trolley body comprises an excavation assembly, a slag removal assembly and a conveying assembly, the excavation assembly is arranged at the front end of the trolley body and used for excavating slag, and the slag removal assembly is arranged at the rear end of the trolley body. The residue removing assembly is arranged at the rear end of the trolley body and used for removing residue soil, and the conveying assembly is arranged below the trolley body; the drill seat is matched with the spiral groove of the drill sleeve, so that the drill bit can drive the expansion scraper blade to expand outwards in a reciprocating manner through cam linkage during drilling, the expansion scraper blade directly moves on the drill rod in a reciprocating spiral manner, the residue soil stripping range is effectively expanded, and the problem of operation blind areas caused by a single structure of traditional equipment is solved.

The invention relates to the technical field of deep hole machines, and discloses a bolt sleeve three-station deep hole machine which comprises a bottom shell, an upper machine shell and a plurality of hydraulic clamping shells, the upper machine shell is fixed to the top of the bottom shell, and the hydraulic clamping shells are fixed in the upper machine shell. A hydraulic oil cylinder is fixed to the center of the outer wall of the top of the hydraulic clamping shell, a connecting rod is arranged at the bottom end of a piston rod of the hydraulic oil cylinder, a movable seat is arranged at the bottom end of the connecting rod, a pressing block is arranged at the bottom of the movable seat, a drill sleeve is arranged on the inner wall of the bottom of the hydraulic clamping shell, and a bolt sleeve is arranged between the drill sleeve and the pressing block. The drilling motor drives the drill bit to rotate, drilling of the bolt sleeve is achieved, and due to the fact that the bolt sleeve is vertically arranged, chip removal in the drilling process is facilitated; and through the arrangement of the three hydraulic clamping shells and the assemblies of the hydraulic clamping shells, bolt sleeve drilling machining can be independently conducted on three stations, and the machining efficiency can be improved.

The utility model provides a handle for a bench worker to make holes, and belongs to the technical field of drilling tools. Comprising a handle body, a mounting hole is formed in one end of the handle body in a penetrating mode in the thickness direction of the handle body, a drill bushing is arranged in the mounting hole, a first through hole used for limiting the deflection amplitude of a drill bit is formed in the drill bushing in a penetrating mode, and an annular boss used for being inserted into a sample plate hole is arranged at the first through hole of one end of the drill bushing. According to the handle for drilling by the bench worker, the inclination amplitude of the drill bit can be limited through the first through hole in the drill sleeve, and the effect of improving the drilling quality of a product is achieved.

The drilling device for machining and manufacturing comprises a machining table, a supporting frame is fixedly installed at the top end of the machining table, a drilling mechanism is arranged at the top end of the supporting frame, the drilling mechanism comprises a drilling sleeve installed at the bottom end of the supporting frame, a drilling rod used for mechanical drilling is installed in the drilling sleeve, and a spiral groove is formed in the outer surface of the drilling rod; a spiral groove is formed in the outer surface of the drill rod, a discharging mechanism is arranged in the drill rod, the discharging mechanism comprises a fixing rod rotationally installed in the drill rod, a first motor is fixedly installed in the drill sleeve, an output shaft of the first motor is fixedly connected with the fixing rod, and a second bevel gear is fixedly installed on the outer surface of the fixing rod. According to the drilling machine, chippings generated during drilling are guided into the drill rod through cooperation with the screw rod and then discharged through the feeding auger, interference of the chippings to the drilling process is effectively reduced, and therefore the drilling precision is remarkably improved, and high efficiency and accuracy of drilling operation are ensured.

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 invention relates to the technical field of bridge construction, and particularly discloses a bridge pile foundation drilling and deslagging device which comprises a high slope soil body, a pile foundation and a construction platform are arranged on the high slope soil body, the construction platform is located below the pile foundation, a foundation pit is formed in the construction platform, and a reverse circulation drilling machine mechanism is arranged on the construction platform. The reverse circulation drilling machine mechanism comprises a matched drill bushing which is installed in the foundation pit in a penetrating mode. A detachable drilling mechanism and a hole cleaning mechanism are arranged on the matched drill bushing, and the drilling mechanism and the hole cleaning mechanism cannot be connected with the matched drill bushing at the same time; a support mechanism used for connecting the pile foundation and the construction platform is arranged on the high slope soil body. The technical problem that when an existing drilling device is used for drilling, although sediment at the bottom of a hole can be cleared away in time, a drill bit needs to repeatedly enter a pit foundation, a large amount of time needs to be consumed for moving the drill bit, and therefore the drilling efficiency is low is solved.

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 invention relates to the field of sheet metal machining equipment, in particular to an anti-falling pin drilling positioning auxiliary device and drilling machining equipment. The anti-disengaging pin drilling auxiliary positioning device comprises a positioning seat, a horizontally-penetrating positioning hole is formed in the positioning seat, a hard alloy drill bushing is perpendicularly fixed to the top face of the positioning seat, and a bottom hole of the drill bushing intersects with the positioning hole; a horizontal clamping groove is formed in the positioning seat, and the position of the horizontal clamping groove corresponds to that of the anti-falling pin clamping groove of the anti-falling pin; a horizontal clamping groove blocking piece is installed in the horizontal clamping groove and is in micro-clearance fit with the anti-falling pin clamping groove. A chip groove is formed in the positioning seat and located under the drill bushing bottom hole and above the horizontal clamping groove blocking piece. The drilling tool is simple in structure and convenient to machine, the perpendicularity and the position precision of anti-falling pin drilling can be ensured, rotation in the machining process is prevented, and the machining efficiency is improved.

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 utility model relates to a device for quickly positioning and installing a clamping plate supporting rod, which comprises a connecting rod, a fixed drill plate arranged at one end of the connecting rod, two fixed drill bushings arranged at one end of the fixed drill plate, a sleeve drill plate arranged at the other end of the connecting rod and capable of sliding on the connecting rod, and a plurality of through holes arranged on the connecting rod. A sleeve of the sleeve drill plate is provided with a through hole, a plug pin penetrates through the through hole in the sleeve drill plate and the through hole in the connecting rod, position adjustment and limiting of the sleeve drill plate on the connecting rod are achieved, one end of the sleeve drill plate is provided with a hook-shaped bolt and a movable handle nut, the hook-shaped bolt is matched with the movable handle nut, and the other end of the sleeve drill plate is provided with a quick-release clamp. Two fixed drill bushings are arranged at the end, close to the quick-release clamp, of the sleeve drill plate, the two fixed drill bushings on the sleeve drill plate correspond to the two fixed drill bushings on the fixed drill plate in position in a one-to-one mode, a pressing plate is arranged at one end of the fixed drill plate, and the pressing plate is arranged on the fixed drill plate in a height-adjustable mode through a movable handle nut.

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 invention relates to the technical field of coal mine underground anchor rod supporting equipment, and particularly discloses an electric drill box for a coal mine anchor rod drilling machine, which comprises an electric control drill bushing, a second planetary reducer, a drill box support, a first planetary reducer, a transmission shaft and a driving motor, a rotor of the driving motor is connected with the first planetary reducer; the electric control drill bushing comprises a fixed shell, a shell end cover, a bearing assembly, a sealing assembly, a self-lubricating supporting ring and a drill bushing assembly. The drill bushing assembly comprises an input shaft, a supporting shell, a shell end cover, a drill bushing motor stator, a drill bushing motor rotor, a pressing ring, a reset spring, an output pressing block and a pressing block pin. The underground narrow space can be utilized to the maximum extent, the length of a single-section drill rod is increased, the rod connecting frequency is reduced, and the drilling efficiency 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 drill bit comprises a drill sleeve, a water guide hole is formed in the center of the drill sleeve, containing grooves which are evenly distributed in the circumferential direction are formed in the side wall of the bottom end of the drill sleeve, a protection plate is installed on the outer side of the portion, between the adjacent containing grooves, of the side wall of the drill sleeve, and a stable plate frame is installed in the center of the bottom end of the drill sleeve. A wall grinding mechanism is further installed on the containing groove and comprises a first telescopic mechanism, the first telescopic mechanism is installed on the containing groove in the radial direction, an axial second telescopic mechanism is installed at the outer end of the first telescopic mechanism, and a grinding plate is installed at the lower end of the second telescopic mechanism. The grinding plate comprises a first grinding plate arranged in the axial direction and a second grinding plate arranged in the radial direction and installed at the lower end of the first grinding plate.

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 invention belongs to the technical field of aerospace hole machining, and provides an efficient finish machining tool changing device for a deep hole in a narrow space and a machining method. The tool changing device comprises a drill body, a drill sleeve and a machining tool. The drill body has a coaxial state and a non-coaxial state on the drill sleeve, and under the coaxial state, machining equipment is controlled to conduct deep hole finish machining; and in a non-coaxial state, the replacement of the machining cutter can be realized without detaching the drill body. By means of the method, the problems that deep hole finish machining in a narrow space is difficult, and tool changing is complex are effectively solved, the tool changing process is simplified while the deep hole machining quality and stability are guaranteed, and the machining efficiency is improved.

The utility model discloses a drill bit for water stop rubber drilling, which comprises a hollow drill bushing, a positioning drill rod and a clamped head, one end of the hollow drill bushing and one end of the positioning drill rod are both fixed on the clamped head and are coaxially arranged, and the other end of the positioning drill rod extends out of the other end of the hollow drill bushing. The end face of the other end of the hollow drill bushing is provided with at least two spiral faces arranged around the center at intervals, the adjacent spiral faces are connected through axial faces, the axial faces are connected with the outwards-protruding ends of the spiral faces to form drilling tips, and a chip removal opening is formed in the hollow drill bushing. The utility model further discloses a drilling device for drilling the water stop rubber, the drilling device comprises a drilling machine and a drill bit for drilling the water stop rubber, and the drill bit is clamped and fixed on the drilling machine by the chuck. The drill bit for drilling the water stop rubber and the drilling device are smooth in cutting and convenient for chip removal and cleaning.

The invention discloses a bone drill and orthopedic surgery equipment, the bone drill comprises an offset rotary driving module, a force sensing linear feeding module, a drill bit, a drill bushing assembly and a drill bushing clamping assembly, and the offset rotary driving module drives the drill bit to rotate; the force sensing linear feeding module is connected with the offset type rotary driving module, drives a drill bit to do linear feeding motion and senses the pressure in the drilling process in real time; the drill sleeve assembly is arranged at the front end of the drill bit in a sleeving mode and used for rotationally supporting and linearly guiding the drill bit. And the drill bushing clamping assembly is used for positioning and clamping the drill bushing assembly in a self-centering manner. The drill bit and the guide sleeve can be conveniently replaced, so that the operation time is saved, resource waste is avoided, and the problem that the positioning precision is reduced due to replacement of the drill bit is solved.

The utility model belongs to the technical field of aircraft assembly, and particularly relates to a marking and drilling tool used for drilling hanging holes in an upper wall plate of an aircraft wing, which comprises a drill plate, a drill bushing and a marking tool, the marking tool comprises a Z-shaped clamping part and an I-shaped marking part arranged on the upper surface of the Z-shaped clamping part, a gap is formed between the Z-shaped clamping part and the I-shaped marking part, the front edge of the wing upper wall plate is clamped in the gap, the edge of a corner box on the lower portion of the wing upper wall plate is clamped on the inner side of the Z-shaped clamping part, and the drill plate and the drill sleeve are arranged on the upper surface of the marking tool. In the hanging hole drilling process, the working efficiency is effectively improved, the multi-error repeated lineation process is replaced, and efficient hole drilling is achieved.

The utility model discloses a scroll compressor upper support drilling device which comprises a mandrel, the mandrel is of a stepped cylinder structure, a first outer circle of the mandrel is inserted into a first inner hole of a support, a second outer circle of the mandrel is sleeved with a deep groove ball bearing, and the deep groove ball bearing is located in a second inner hole of an index plate. An inner hole III of the positioning sleeve is sleeved on an outer circle III of the mandrel and is fixed through a nut; a pressing plate is sleeved on a screw rod of the mandrel and is fixed through a nut; the positioning pin is mounted in the index plate, and the bolt penetrates through the bracket and is inserted into the index plate; the drill plate is fixedly installed on the top of the support, and the drill bushing is installed in the drill plate. The positioning precision is high, the quality of machined workpieces is stable, the machining efficiency can be improved, and losses caused by waste products are reduced.

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.

The utility model discloses a reinforcing tool for a deep hole drilling process, which comprises a drill bushing seat and a radial positioning bracket used for supporting a long shaft part of a crankshaft, a drill bushing is arranged in the drill bushing seat, the radial positioning bracket is arranged in front of the drill bushing seat, a clamping plate is arranged between the drill bushing seat and the radial positioning bracket, and the drill bushing seat is fixedly connected with the radial positioning bracket. The clamping plate is provided with a rotation limiting clamping groove used for placing a long shaft eccentric part of the crankshaft from top to bottom in a matched mode; the pressing block is pressed on the long shaft part, and the air cylinder drives the pressing block to move up and down. The reinforcing tool disclosed by the utility model is beneficial to improving the yield and the production efficiency.