332results about "Portable drilling machines" patented technology

A stop for use with an electric drill bit, the stop having at least one threaded sleeve for positioning the stop relative to a surface into which the drill bit will extend. The stop may have both an inner and an outer sleeve. The sleeves are mounted coaxially, one inside the other about the drill bit. One of the sleeves, preferably the inner sleeve, provides coarse adjustment of the position of the shoulder relative to the tip of the bit, while the other, preferably the outer sleeve, provides fine adjustment of the position of the shoulder relative to the top of the bit.

The invention belongs to the technical field of door and window trepanning, and particularly relates to a broken bridge aluminum alloy door and window machining automatic trepanning structure which comprises a rectangular outer frame, a clamping part, a drilling positioning frame and an electric drill body. The clamping part is arranged on the lower side of the outer frame and comprises two fixing clamping plates, and one fixing clamping plate is fixedly arranged at the edge position, close to the right side, of the lower side of the outer frame. The drilling structure can be rapidly and integrally fixed in the wall hole, then the position, to be drilled, of the door frame is fixed relative to the wall hole, and profile micro-deviation caused by drilling vibration is effectively weakened. Through the drilling positioning frame, by means of strict limiting of an electric drill moving area, the electric drill is prevented from exceeding a preset area to damage heat insulation strips or reinforcing ribs in the drilling process; and meanwhile, accurate drilling guide positioning is achieved, damage of drilling deviation to the sealing integrity of the heat insulation strips and the bearing structure of the reinforcing ribs is reduced, the heat insulation performance and the wind pressure resistance of the broken bridge aluminum profile are guaranteed, and structural potential safety hazards in long-term use are eliminated.

The invention relates to the technical field of handheld gun drills, and discloses a lithium battery wireless operation gun drill which comprises a gun body, a supporting sleeve is fixedly connected to the outer wall of the gun body, a first sliding sleeve is slidably connected to the outer wall of the supporting sleeve, and a driving rod is rotatably connected to the inner wall of the gun body through a bearing; a sliding rod is slidably connected to the outer wall of the driving rod through a spline, a chuck is fixedly connected to the end, away from the driving rod, of the sliding rod, a supporting mechanism is arranged on the outer wall of the first sliding sleeve and comprises a third sliding sleeve, the inner wall of the third sliding sleeve is slidably connected with the outer wall of the first sliding sleeve, and a second positioning block is inserted into the inner wall of the third sliding sleeve. The gun body is supported through the supporting mechanism, the friction force between the gun body and the surface of the metal plate is increased, when the drill bit is stuck, the impact force generated by self-rotation of the gun body part is released to the surface of the metal plate through the pressing plate and the pressing block, and the situation that the counter impact force generated by sticking of the drill bit in the drilling process is too large is avoided.

A power tool stand comprises a base; a projecting frame connected to the base; and a power tool carriage moveably mounted on the projecting frame. The power tool carriage comprises a first electrical interface arranged to electrically connect with a removeable power tool and a second electrical interface in electrical connection with the first electrical interface and arranged to electrically connect with a removeable battery.

To weld a stud dowel at an accurate position while reducing the physical burden on a worker welding the stud dowel. [Solution] The welding surface S is the side surface of the workpiece (1) that intersects with the upward surface or the downward surface of the workpiece (1), and the stud dowel welding device (W) is equipped with a welding gun (10) that holds a stud dowel (4) and welds the tip of the held stud dowel (4) to the welding surface (S), and a support part (20) that supports the welding gun (10) and has a movable mechanism that enables the welding gun (10) to move in a direction perpendicular to the welding surface (S) (Y-Y' direction), and in a first direction (X-X' direction) and a second direction (Z-Z' direction) that are perpendicular to the perpendicular direction, where the first direction and second direction are perpendicular to each other.

A rotary tool guide, such as a drill guide, includes a rotation transmission member and a tool guiding member. The rotation transmission member includes a rotary shaft extending to an end equipped with an object engaging mechanism adapted to engage an object, such as a bit, that is to be rotated. The tool guiding member includes a tool guide shaft and a surface contacting member. The tool guide shaft has a lumen adapted to receive the rotary shaft therein. The surface contacting member comprises a contacting surface adapted to contact a surface of a workpiece. The contacting surface of the surface contacting member defines an orientation angle relative to a longitudinal axis of the tool guide shaft lumen so that when the rotary shaft is advanced, the rotary shaft is maintained at the orientation angle.

The invention relates to the technical field of handheld gun drills, and discloses a brushless motor driven pistol drill which comprises a shell, the inner wall of the shell is fixedly connected with a brushless motor, the inner wall of the shell is rotatably connected with driving teeth through a bearing, a buffer mechanism is arranged in the shell, the buffer mechanism comprises a driving rod, and the driving rod is fixedly connected with the brushless motor. The outer wall of the side, close to the driving teeth, of the driving rod is fixedly connected with the inner wall of the driving teeth, the outer wall of the driving rod is connected with a hinged plate through a rotating shaft hinge, the other end of the hinged plate is fixedly connected with the outer wall of the connecting rod through a rotating shaft, and the inner wall of the driving rod is fixedly connected with an elastic push rod. And the other end of the elastic push rod is fixedly connected with the inner wall of the connecting rod. According to the handheld gun drill, the buffering mechanism is arranged to release reverse twisting force generated when the drill bit drills holes, the situation that the temperature of the brushless motor is increased due to the fact that instantaneous resistance of the brushless motor is increased is prevented, and the stability of the handheld gun drill in the working process is improved.

The invention relates to the technical field of drilling-dimpling combined pneumatic tool for supporting plate nuts, and particularly discloses a drilling-dimpling combined pneumatic tool for supporting plate nuts, which comprises a handle, a vent pipe hole is formed from the upper end face to the lower end face of the handle, and a working cavity is fixedly mounted at the upper end of the handle; a baffle is fixedly mounted in the working cavity, a movable baffle is slidably arranged on the left side of the interior of the working cavity, working rods are fixedly mounted on the two sides of the movable baffle, resistance cavities are fixedly mounted on the front side face and the rear side face of the working cavity, and the working rods are slidably mounted in the resistance cavities. The drilling and dimpling procedures are integrally completed, tools do not need to be frequently replaced, and the operation time is greatly shortened. Meanwhile, due to the integrated design of all the components, the consistency of tool positioning in the drilling and dimpling process is guaranteed, the coaxiality of the two working procedures is remarkably improved, the problem that the assembling precision is insufficient due to positioning deviation in traditional step-by-step operation is effectively solved, and the mounting quality and the connecting stability of the supporting plate nut are improved.

A drilling apparatus comprising a top body that extends horizontally, a top socket configured underneath the top body to allow for multidirectional movement, and a ball joint positioned beneath the top socket. This ball joint is in contact with the top socket and enables 180-degree horizontal rotation and 90-degree vertical tilt. Additionally, a bottom socket is configured underneath the ball joint to provide stability. The apparatus features a motor connected to a rotary output and includes a trigger switch or button located on a vertically aligned handle. An integrated stud finder, activated by a detachable accessory, allows users to quickly locate studs behind walls before drilling. This apparatus is configured to enhance maneuverability and user comfort, for use in a variety of professional and personal home improvement settings.

The invention discloses a high-altitude trepanning electric hammer auxiliary support convenient to operate. The high-altitude trepanning electric hammer auxiliary support comprises a support base; the adjusting platform is arranged on the bracket seat in a lifting manner; the connecting rod adjusting mechanism is arranged on the adjusting platform, and the connecting rod adjusting mechanism comprises two groups of rotating connecting rods and connecting connecting rods which are arranged in parallel. Through the structural arrangement, the relative position of the adjusting platform on the support base can be adjusted to adjust the overall height of the adjusting platform, then the connecting rod adjusting mechanism can be adjusted according to the angle needed by the preset hole site so that the electric hammer can be in a designated inclined posture, and finally the electric hammer can be pushed to act on the preset hole site through the progressive push rod. The drilling work of various inclined holes is completed, during drilling work, force fed back by the electric hammer can act on an operator through the progressive push rod, so that the operator with rich experience can judge whether the drilling position is opened or not and whether foreign matter is drilled or not, and compared with direct driving of a driving mechanism in the prior art, accurate judgment of constructors is more convenient.

The application relates to the technical field of handheld gun drills, and discloses a brushless motor mute gun drill, which comprises a gun body and a chuck, the inner wall of the gun body is fixedly connected with a driving motor, the outer wall of the driving motor is provided with a flow guide mechanism, the flow guide mechanism comprises a flow guide sleeve, the flow guide sleeve is sleeved in the gun body, a flow guide cavity is formed in the flow guide sleeve, baffles are fixedly connected to the cavity wall of the flow guide cavity and separate the flow guide cavity into different volume cavities, the baffles are provided with flow guide holes to communicate the inside of the flow guide cavity, the heat dissipation air reduces noise during flow in the different volume cavities in the flow guide cavity, and a flow distribution fan is arranged, which rotates along the inner wall of the flow guide sleeve. The flow guide mechanism is arranged to guide the heat dissipation air, the heat dissipation air flows in the flow guide cavities of different volumes separated by the baffles, the heat dissipation air is subjected to noise reduction, the noise generated by the driving motor is subjected to sound insulation, and the noise generated by the driving motor and the heat dissipation air is reduced.

The embodiment of the invention relates to an electric tool. The electric tool comprises a shell; a holder for holding the tool head; the driving piece is used for outputting torque for driving the tool head to rotate; the speed reducing mechanism is used for transmitting the torque generated by the driving piece to the holding piece; the clutch mechanism is used for being in transmission connection with the speed reducing mechanism and the retainer; the torque assembly comprises an adjusting piece, an elastic piece, a first fixing plate and a second fixing plate, the first fixing plate and the second fixing plate are connected to the two ends of the elastic piece, the elastic piece is located on the periphery of the box body, a speed reducing mechanism is arranged in the box body, the first fixing plate abuts against the clutch mechanism, and the second fixing plate abuts against the adjusting piece. And the preset clutch torque of the clutch mechanism is adjusted. According to the electric tool provided by the embodiment of the invention, the machine body length of the electric tool can be greatly shortened, so that the electric tool can work in a relatively narrow space; in addition, the torque adjusting range of the electric tool with the same machine body length can be increased, and the application range of the electric tool is widened.

The utility model relates to the technical field of handheld drilling machines, in particular to a handheld drilling machine with a dust cover, which comprises a drilling machine main body, a drill bit main body, a handheld component, a screw rod, an opening and closing component, a dust cover main body, an exhaust pipe, a dust collection box and a dust collection component, a drill bit body is arranged on one side of the drilling machine body, a handheld assembly is arranged on one side of the drilling machine body, a lead screw is arranged at the top of the drilling machine body, an opening and closing assembly is arranged on the outer side of the lead screw, a dust cover body is arranged on one side of the opening and closing assembly, and an exhaust pipe is arranged below the dust cover body. A dust collection assembly is arranged outside the dust collection box; according to the utility model, the dust cover is utilized to seal an operation point position and timely extract raised dust in a manner of hermetically extracting raised dust, so that the dust is prevented from scattering all around in a drilling process, the cleanliness of an operation environment is guaranteed, the body health of operators is ensured, the dust cover can be flexibly opened and closed, and a drill bit can be conveniently replaced and maintained, so that the practical value of the drilling machine is effectively enhanced.

The application discloses a motor rotor machining device and relates to the technical field of motor rotors, which comprises a column body, a handle fixedly connected to the bottom of the column body near the right end, a receiving hole formed in the left side of the column body, and a blind hole formed in the right end of the column body. Through the cooperation between the movable plate, the connecting elastic plate, the motor, the drill bit and other structures, the small motor rotor can be moved into the column body, the small motor rotor drives the fixed plate and the connecting elastic plate to move, the fixed plate and the connecting elastic plate enter the receiving hole of the column body, the connecting elastic plate drives the arc-shaped plate to limit and clamp the surface of the small motor rotor through the elastic rope, when another small motor rotor needs to be machined, the connecting cover is taken out, the motor is started, the motor drives the drill bit to rotate, the drill bit machines the small motor rotor, and the drill bit can be replaced with other machining components, so that the application range of the device is improved.

The utility model discloses a kind of universal angle drilling tool for bench worker, including first panel, second panel, the end portion of first panel, second panel is vertically connected to form L type panel, first panel, second panel are used to install drilling device;It further includes auxiliary strip, auxiliary strip is L-shaped, and L side is connected to the L side of L type panel, auxiliary strip is provided with first lug and second lug, first lug and second lug are located at the both ends position of auxiliary strip respectively;Auxiliary strip, first lug, second lug form first working area;Auxiliary strip, second lug form second working area, drill bit of drilling device works in first working area, second working area.The utility model overcomes the drawbacks of high cost, time waiting of up and down procedure link of existing processing mode, ensure that plate surface hole and side hole and tube plate center are in same straight line, bench worker can directly process, without turning to other equipment, simple operation, low in cost, convenient to use.

The invention belongs to the technical field of pipeline drilling machine tools, and particularly relates to a pipeline under-pressure tapping machine which comprises a supporting pipe base. The outer wall of the top of the pipe supporting base is covered with a clamping top base in an aligned mode, locking bolts are distributed at the covering connection position of the pipe supporting base and the clamping top base, pipe clamping grooves are formed in the opposite outer walls of the pipe supporting base and the clamping top base, and a drilling end cylinder is installed at the center of the outer wall of the top of the clamping top base in a penetrating mode. A mounting cylinder is mounted on the outer wall of the top of the drilling end cylinder in a penetrating manner; the functions of drilling, chip management, pipeline fixing, dynamic sealing and the like are organically integrated, the branch pipe and the second valve are connected to facilitate connection of a branch pipeline or a valve after drilling is completed, and the sealing cover is used for sealing the drilling end barrel in a non-working state; all the components are connected through pipelines and connectors, logic is clear, the cleanliness, safety and adaptability of pressure tapping operation are remarkably improved, and the device is particularly suitable for occasions with high requirements for medium cleanliness and sealing.

The invention discloses a magnetic drill press stable in machining, and belongs to the technical field of magnetic drill presses. When an existing magnetic drill is positioned, drilling cuttings are easily adhered to the bottom surface of a magnetic seat, so that the bottom is uneven, and the adsorption is unstable. The guiding device and the driving structure are arranged in the annular magnetic attraction base, so that controllable disassembly and rotary adjustment of the magnetic attraction base are achieved; the magnetic attraction base is formed by splicing a plurality of magnetic attraction units through connecting units, an elastic ring on the guiding device is flattened, scraped and swept when the base is disassembled and rotates, drilling cuttings in an annular area are automatically collected, chippings and a magnetic attraction face are isolated, and it is ensured that adsorption is stable after the base is reset. And the drilling frames can synchronously accompany, and drilling feeding and positioning are not affected. The problem of adsorption failure caused by scrap accumulation of a traditional magnetic drill press is solved, and the magnetic drill press has the advantages of being convenient to position, stable in continuous machining and small in maintenance amount and is suitable for multi-hole-site efficient drilling operation on a steel structure site.

The utility model discloses a punching device for machining an air conditioner on a train, which comprises two mounting racks, four moving wheels are arranged on two sides of the lower end of each mounting rack, and punching support structures are connected to two sides of each mounting rack; the punching supporting structure comprises four connecting blocks, four fixing wheels, two connecting plates, two lead screws, two adjusting motors, two moving blocks and two operation assemblies. The utility model relates to the technical field of train air conditioner installation, in particular to a train air conditioner punching device, a punching supporting structure is adopted, when an air conditioner is punched and installed, the device is fixed to a designated position in a sliding installation mode, a distance adjusting structure is adopted, the distance adjusting structure can adjust the distance of the device according to trains of different specifications, the overall application range of the device is widened, and the practicability is high. And through cooperation of the adjustable operation assembly, the arranged lead screw and the movable block, the punching position can be fully adjusted, the accuracy of the punching position can be guaranteed, and meanwhile the overall punching efficiency is guaranteed.

The utility model relates to the technical field of tappers, and discloses a powerful tapper which comprises a base, the top of the base is fixedly connected with a hollow pipe, the top of the hollow pipe is slidably connected with a connecting short column, the top of the connecting short column is fixedly connected with a connecting round block, the top of the connecting round block is fixedly connected with a connecting column, and the connecting column is fixedly connected with the top of the hollow pipe. A mounting block is fixedly connected to the middle of the top end of the connecting column, a center drill is fixedly connected to the middle of the top end of the mounting block, mounting bottom plates are slidably connected to the left end and the right end of the top of the connecting column, and second springs are fixedly connected to the front end and the rear end of the top of each mounting bottom plate. According to the utility model, the punching position is firstly determined, the sliding connecting plate is aligned to the position, after installation, the suction cup adsorbs an object, punching is started, the telescopic rod moves downwards to extrude the spring so as to stabilize the position of the center drill, and after punching is completed, the spring rebounds, so that no positioning deviation is ensured, and the positioning accuracy and the working efficiency are improved.

The present invention relates to a drill bit and a method of manufacturing a perforated article. In the case where the rigidity of the main shaft of a perforating machine is sufficient, it goes without saying, but even in the case where perforation is performed using a hand-held tool rotation device or the rigidity of the main shaft of the perforating machine is low, a workpiece composed of a composite material or a metal or the like can be perforated with high accuracy. The drill bit of the embodiment has a first cutting edge formed on the leading end side in such a manner that the leading end angle is continuously or discontinuously reduced from the leading end side to the trailing end side, and on the other hand, the clearance angle is continuously or discontinuously reduced from the leading end side to the trailing end side, and is used to perforate a workpiece to form a pilot hole; a second cutting edge formed by being positioned away from the first cutting edge toward the trailing end side, and used to perform finishing of the pilot hole, and having a clearance angle at the maximum diameter position; and a vibration-damping portion formed between the first cutting edge and the second cutting edge, and reducing vibration of the second cutting edge by being inserted into the pilot hole processed by the first cutting edge.

One aspect of an invention is a power receiving apparatus, configured to be able to receive electric power from a plurality of battery units each including a processor configured to control a power feeding function, the power receiving apparatus comprising a plurality of connection portions capable of electrically connecting the plurality of battery units, wherein the plurality of connection portions are configured such that voltages supplied to the plurality of processors of the plurality of battery units have different values when the plurality of battery units are electrically connected to the connection portions

The invention relates to a hand-held power tool, in particular a diamond drill, which extends in a longitudinal direction (101), comprising a housing (110) and at least one drive motor (120) provided in the housing (110) for driving an output shaft (140), which has a tool holder (142) for an insert tool. The hand-held power tool is equipped with at least one sensor (180) and an evaluation unit (185), the at least one sensor (180) being designed to detect vibrations occurring during the operation of the hand-held power tool (100), and the evaluation unit (185) being designed to differentiate between a manually guided operation of the hand-held power tool (100) and a stand-guided operation of the hand-held power tool (100) by evaluating the detected vibrations.

The utility model discloses a special equipment installation tool, and belongs to the technical field of special installation tools. A special equipment installation tool comprises an installation box and further comprises a first installation block fixedly installed on the installation box, an installation rod is installed on the first installation block in a sliding mode, a groove hole is formed in the end of the installation rod, and a suction cup is fixedly connected to the installation rod; the negative pressure assembly is arranged in the mounting box, and the air suction end of the negative pressure assembly is communicated with the slotted hole through a connecting assembly; the trepanning assembly is arranged on the mounting box; suction force generated by the negative pressure assembly is utilized, the drill bit is tightly adsorbed on the smooth metal surface of the special equipment through the suction cup, the adsorption mode is firm and reliable, deviation of the drill bit in the punching process can be effectively limited, it is guaranteed that the drill bit is perpendicular to the surface of the equipment, and meanwhile the drilling efficiency is improved. And due to negative pressure adsorption, the sliding problem caused by the smooth surface of the equipment is also reduced, so that high-precision and stable drilling operation is realized.

The utility model discloses a round ingot crystallizer water jacket side hole machining device in the technical field of drilling, which comprises a fixed base, a slide way is arranged in the center of the fixed base, slide rails are fixedly connected to two sides of the upper end of the fixed base, slide blocks are slidably connected to the surfaces of the slide rails on two sides in a sleeving manner, and the slide blocks are arranged on the slide rails. The upper ends of the sliding blocks on the two sides are fixedly connected with guide sliding seats, one ends of the guide sliding seats are fixedly connected with angular electric drills, the guide sliding seats and the angular electric drills are located in the sliding ways, one end of the fixed base is fixedly connected with a fixed plate, and a pushing device is fixed to the upper end of the fixed plate. And the pushing device is fixedly connected with the guide sliding seat through a fixing bolt. According to the device, mechanical drilling and manual drilling are combined, and a stroke limiting tool is additionally arranged in the manual pushing drilling process, so that the drilling position is more accurate, manual drilling is not needed, and the machining efficiency is improved.

To provide a work machine that can reduce time and effort required in switching between presence and absence of vibrations.SOLUTION: In a work machine 1, when a clutch hub 370 comes to a vibration-on position, the clutch hub 370 restricts movement of a rear-side ratchet 410. When a front-side ratchet 440 is driven by driving force of a motor 30 with respect to the rear-side ratchet 410 with movement restricted, vibrations occur. A ratchet cam ring 280 and a clutch dial 300 constitute a cam mechanism that moves the clutch hub 370 between a vibration-off position and a vibration-on position in tandem with rotation of the clutch dial 300 between a rotating position in a vibration mode and a rotating position in a drill mode.SELECTED DRAWING: Figure 5

A power tool (100) comprises a housing (102) and a motor (104) mounted in the housing (102) having a drive shaft. A transmission (200) is mounted in the housing (102) having an input shaft operatively coupled to the drive shaft of the motor (104) and an output shaft (202) operatively coupled to a tool holder (204). The transmission (200) comprises at least a first gear (206) and a second gear (208) configured to transmit torque from the motor (104) to the tool holder (204). A first part of the transmission is mounted within a first grease chamber (900) and a second part of the transmission is mounted within a second grease chamber (902).

The utility model relates to the technical field of aircraft manufacturing, in particular to a power switching mechanism. The power switching mechanism comprises a driving shaft, a driven shaft, a telescopic assembly, a universal switching assembly and a locking assembly, the input end of the driving shaft and the output end of the electric drill body are coaxially fixed, the output end of the driven shaft and the output end of the electric drill bit are coaxially fixed, and the telescopic assembly can stretch out and draw back in the axial direction of the telescopic assembly. The universal adapter assembly comprises two universal adapter connectors, any one of the two universal adapter connectors is connected with the output end of the driving shaft and one axial end of the telescopic assembly, the other universal adapter connector is connected with the input end of the driven shaft and the other axial end of the telescopic assembly, and the locking assembly is rotationally connected with the driving shaft and the driven shaft. The locking assembly is switched between the movable state and the fixed state, the locking assembly in the movable state freely adjusts the relative position of the driving shaft and the driven shaft, the locking assembly in the fixed state relatively fixes the driving shaft and the driven shaft, and various machining requirements are met.

The invention discloses an anti-separation magnetic suction drill base applied to a magnetic drill press and a magnetoelectric energy-saving control system, relates to the technical field of magnetic drill presses, optimizes the problems of demagnetization and instability in the magnetic suction process, and on the basis of an axial balance sleeve, the interior of the axial balance sleeve is divided into an action cavity filled with a hydraulic medium and a detection cavity; a power-on quantity-counter-acting force first-order balance model and a ball head telescopic rod supporting second-order balance model are established in the magnetoelectric energy-saving control system, the power-on quantity is corrected through a balance interference coefficient in the closed-loop regulation and control stage, and hydraulic balance is adjusted in combination with the pressure supplementing action. According to a corresponding structure, a double stable structure of magnetic attraction and hydraulic supporting is formed, dynamic adaptation of magnetic attraction force and counter-acting force is achieved, and the magnetic attraction stability, the drilling precision and the electric energy utilization efficiency are improved aiming at the drilling deviation problem caused by energy waste, magnetic attraction fluctuation and working face inclination of a traditional magnetic drill.

A hand-held processing tool with a housing that includes at least two housing parts is disclosed. The housing parts each have a side edge which are directly adjacent to one another in the assembled state of the housing. A recess is provided in at least one partial region of the side edges of at least one of the two housing parts such that the side edges of the at least two housing parts are spaced apart from one another in the at least one partial region.