2480 results about "Power tool" patented technology

An electric tool includes: a housing assembly including a housing body and an operation portion integrally connected with the housing body; a driving mechanism connected to the housing assembly and including a motor and a transmission shaft connected to and driven by the motor; and a control module arranged within the housing assembly and comprising a controller and a sensing element that is electrically connected to the controller. The motor is electrically connected to the controller. The sensing element is arranged at an inner side of the operation portion. The sensing element is to detect a user operation on the operation portion and output a signal to the controller, and the controller is to control the motor in response to the signal output by the sensing element.

A handheld power tool includes a grip for a user to hold; an output shaft rotatable about a first axis; a mounting device for mounting a working attachment to the output shaft, where the working attachment has a mounting port that matches the output shaft; and an operating member capable of driving the output shaft to move along the direction of the first axis to lock or loosen the working attachment. The operating member could be located at least at a first position, a second position and a third position. When the operating member is located at the first position, the working attachment is locked; when the operating member moves from the first position to the second position, the output shaft moves downward along the first axis by a first preset distance. The third position is different from the first position and the second position.

The invention relates to the technical field of electric tool control, in particular to a motor control method of a target electric tool and a motor control circuit executing the motor control method, and the method comprises the steps: obtaining peak current at a detection resistor and a current PWM signal duty ratio, calculating real-time average current according to the peak current and the current PWM signal duty ratio, and comparing the real-time average current with an average current threshold value; and adjusting the duty ratio of the PWM signal according to the result, and outputting the PWM signal to drive the motor according to the adjusted duty ratio. By dynamically adjusting the duty ratio, the stability and safety of the electric tool under high load are effectively improved, the operation experience is optimized, the hardware upgrading requirement can be met, and the use bottleneck is broken through.

A power tool kit includes a storage case configured to store a hand-held power tool and ancillary devices. The storage case includes a first case half pivotably joined to a second case half. In addition, the storage case includes a worktable configured to be stowed inside the storage case. The worktable is formed of a first foldable panel that is rotatably joined to the first case half and a second foldable panel that is rotatably joined to the second case half. When the storage case is in an open case configuration, the first and second panels lie flat and cooperate to form a worktable that includes a power tool guide device.

An actuating unit for releasing a battery device for a hand-held power tool having a locking element for locking the actuating unit and having an actuating element that is provided to move the locking element from a retaining state into a release state of the actuating unit. It is provided that in the release state, the locking element is held with a positive fit and / or with a frictional fit.

The invention relates to the field of precise motion control, in particular to a precise motion control method and system for a multi-axis linkage direct-drive-force tool tower crane. Comprising the following steps: acquiring a processing track, dispersing the processing track into a plurality of spatial motion units, and determining a target displacement for each motion axis; receiving a completion signal; and after determining that the motion axis participating in the current space motion unit completes the corresponding target displacement according to the completion signal, obtaining the completion time of each motion axis, and issuing the target displacement corresponding to the next space motion unit to each motion axis by taking the completion time of the motion axis with the longest completion time as a time reference. Therefore, each motion shaft is started to move the next space motion unit. The technical problems that the machining precision is reduced and the product quality is unqualified due to clock frequency drift and movement shaft synchronization deviation accumulation caused by gradual change of microcosmic physical characteristics in a system of a multi-shaft linkage direct-driving-force tool tower crane are solved.

A tool is provided including a motor, a power switch circuit disposed between a power source and the motor, and a control unit that controls the power switch circuit to drive the motor. The control unit is configured to apply a current clip threshold to a current passing through a bus line located between the power source and the power switch circuit to maintain a peak current of the bus line at approximately the current clip threshold. The control unit is further configured to variably control the current clip threshold based on the current passing through the bus line.

A power tool is provided including: a tool housing; a motor disposed within the tool housing; a battery receptacle arranged to be coupled to a battery pack having a rated capacity; a power switch circuit disposed between the battery receptacle and the motor; and a controller that controls the power switch circuit to drive the motor. The controller is configured to: determine or receive a pack ID associated with the rated capacity of the battery pack; set a braking profile for electronically braking the motor based on the pack ID; and apply an electronic brake to the motor in accordance with the set braking profile upon detection of an event associated with stoppage of the motor.

A tool accessory holder for use with a tool accessory case and configured to couple to a power tool, a tool system, and tool accessory storage system. The tool accessory holder can be removed from the tool accessory case and coupled to the power tool and removed from the power tool and coupled to the tool accessory case. The tool system includes an accessory holder and a power tool. The tool accessory holder is alternately couplable to the tool accessory storage case and to the power tool.

The invention relates to the technical field of space operation equipment, in particular to an electric tool applied to on-orbit operation of a space mechanical arm. The high-precision control and the autonomous operation capability of the tail end of the space manipulator on the tool state in a complex space environment are realized, and the reliability, the flexibility and the automation degree of on-orbit operation are greatly improved. Compared with the prior art, the electric tool has the advantages that the structural integration degree, the function expandability and the intelligent feedback control are remarkably improved, and the electric tool is innovatively designed in the aspects of automatic storage of the bit, operation continuity and space environment adaptability; and the execution efficiency and the safety level of on-orbit maintenance and construction tasks of space stations, satellites and other spacecrafts can be effectively improved.

A power tool includes a main housing, a drive mechanism, a working head, and a connection assembly. The connection assembly includes an input portion connected to the drive mechanism and an output portion connected to an output shaft. The connection assembly rotates the working head about a first axis relative to the main housing. The power tool includes a first transmission path. When the working head rotates about the first axis relative to the main housing, components in the first transmission path are allowed to deform or to be displaced along a direction of the first transmission path.

The invention relates to the technical field of tool turrets, in particular to a numerical control power tool turret which comprises a turret frame and a turret base, the turret base is connected to the turret frame in a sliding mode, the turret frame can move in the horizontal transverse and longitudinal direction, a turret body is installed on the turret base, a roller pin is arranged on the turret base corresponding to the turret frame, and an embedding groove is formed in the turret base corresponding to the roller pin. The roller pins are embedded in the embedding grooves, and the roller pins can abut against the tower in the embedding grooves. The tower base is connected to the tower frame in a sliding mode, the tower frame can move in the horizontal transverse and longitudinal direction, flexible movement of the tool turret in the horizontal transverse and longitudinal direction can be achieved, the tool turret body is installed on the tower base, machining operation is facilitated, the tower base abuts against the tower frame through the roller pin, the roller pin is embedded in the embedding groove, and the roller pin can rotate. Therefore, the friction between the original tower base and the tower frame can be converted, so that the friction between the tower base and the tower frame is reduced, the sliding of the tower base on the tower frame is smoother, and the condition that the tower base and the tower frame are damaged due to repeated friction after being used for a long time is reduced.

An electric-tool-torque control system includes a torque tester, a force-multiplier structure, and an electric tool. The torque tester includes a detection shaft and a communication module. The force-multiplier structure includes a force-output end, a force-input end, a signal transmission unit, and a storage unit. The electric tool includes a force-output terminal, a control circuit, and a signal transmission module. The signal transmission module is electrically connected to the control circuit. The force-multiplier structure is assembled onto the torque tester. A test data is transmitted to the signal transmission unit through the communication module, and is transmitted from the signal transmission unit to the storage unit for storage. The signal transmission unit transmits the test data to the signal transmission module. The signal transmission module transmits the test data to the control circuit. The control circuit drives the force-multiplier structure to rotate based on the test data.

A power tool includes a housing, an electric motor disposed within the housing, a first printed circuit board assembly configured to selectively supply electric current to the electric motor, causing the electric motor to activate and drive a tool element, and a battery receptacle configured to support a removable battery pack. The battery receptacle has a battery terminal block electrically connected to the battery pack to supply electrical current to the first printed circuit board assembly. The power tool further includes a second printed circuit board assembly electrically connected between the first printed circuit board assembly and the battery terminal block. The second printed circuit board assembly has a fuse and a thermistor configured to detect a temperature of the fuse.

The disclosure provides a power tool and power tool system, including: a first slot and a second slot; when the power tool is in a double-pack working state, battery packs are respectively arranged in the first slot and the second lot; when the power tool is in a single-pack working state, the battery pack is arranged in the first slot or the second slot, and both the double-pack working state and the single-pack working state provides a same rated voltage to the power tool.

An outdoor power tool and methods of operating outdoor power tools are provided. An outdoor power tool includes a first blade extending from a first end to a second end, a second blade extending from the first end to the second end, a first connecting rod coupled to the first blade at the first end and comprising a first length, a second connecting rod coupled to the second blade at the first end and comprising a second length different from the first length, and a crankshaft coupled to the first connecting rod and the second connecting rod. The crankshaft is configured for transmitting reciprocating motion to the first blade, the second blade, or both the first blade and the second blade in a first direction and a second direction. The second direction is opposite the first direction.

A power tool includes a working component configured with the maximum output rotational speed; an electric motor configured with the maximum rotational speed; a transmission assembly configured with a transmission ratio; a driver circuit including one or more drive switches; and a controller for outputting a control signal to control the one or more drive switches of the driver circuit. At least one drive switch in the driver circuit includes a wide bandgap semiconductor switch, and the ratio of the required maximum rotational speed of the electric motor to the maximum rotational speed of the electric motor is less than or equal to 0.9. The electric motor system of the power tool has good electrical performance.

The utility model relates to the technical field of equipment disassembly, and discloses a disassembly tool which comprises a fixed seat, a mounting structure is arranged on the fixed seat, and the mounting structure is suitable for clamping at least part of the fixed seat to the top of an integrated cabinet; a sliding assembly; the hoisting assembly comprises a pulley assembly and a traction piece. According to the disassembling tool, in the field environment, even if a foundation is a stone muddy road surface and the carrying space is limited, transportation and stable installation can be guaranteed, the position of the hoisting assembly can be flexibly adjusted, a converter can be conveniently hoisted at different positions, and the disassembling tool is suitable for various complex field layouts; according to the utility model, the traction piece can be operated manually, so that the problem that an electric tool cannot be used due to inconvenience in on-site electricity taking is avoided, the cost of the tool is greatly reduced, and the tool is convenient to carry and operate.

The invention discloses a nail gun, and belongs to the technical field of power tools. The nail gun comprises a gun body, a firing pin and a torsion spring, the firing pin is movably arranged in the gun body, a torsion spring body of the torsion spring is rotatably connected with the gun body, a first torsion arm of the torsion spring is connected with the firing pin, a second torsion arm of the torsion spring is connected with the gun body, and the torsion spring is used for driving the firing pin to move towards a muzzle of the gun body. According to the scheme, the torsional spring is adopted as a driving part to drive the firing pin to move towards the muzzle of the gun body to achieve the nail striking effect, the structure is simple, the torsional spring is low in cost and convenient to disassemble, assemble and replace, the use cost of the nail gun is reduced, and due to the fact that the torsional spring has the vibration absorbing and striking effects, the service life of the nail gun is prolonged. And in the process of driving the firing pin to move, the effects of buffering impact and reducing vibration can be achieved, the problem of vibration is avoided, and therefore the use experience feeling of the nail gun can be improved.

The application provides a handheld power tool, and relates to the technical field of electric tools.The handheld power tool comprises a housing, a handle arranged on the housing, a motor arranged in the housing, a transmission mechanism comprising a transmission component, a coaxially arranged output disc and a chain wheel, the transmission component being connected with the motor, and the output disc being matched with the transmission component, and a saw chain sleeved on the chain wheel; wherein the center line L1 of the saw chain intersects with the center line L2 of the motor at a first intersection point S1, the center line L1 of the saw chain intersects with the center line L3 of the handle at a second intersection point S2, and the first intersection point S1 and the second intersection point S2 are both arranged on the outer side of the output disc. By arranging the first intersection point S1 and the second intersection point S2 on the outer side of the output disc, the included angle between the saw chain and the motor and the handle is reasonably arranged.

A power tool including a housing and a motor mounted in the housing and operatively connected to a tool holder arranged to hold a cutting tool bit. At least one guide post has a longitudinal axis slidably mounted to the housing such that the housing is moveable in a direction parallel with the longitudinal axis between a retracted position and a plunged position. A base portion is fixed to the at least one guide post and a slide bearing is mounted between the housing and the at least one guide post. The slide bearing is slidable with respect to the at least one guide post when the housing moves between the retracted position and the plunged position. The slide bearing includes at least one dampening element arranged to dampen movement of the at least one guide post with respect to the housing in a direction perpendicular to the longitudinal axis.

A spade drill bit includes a shank extending along an axis from a rear end to a front end, the rear end configured to be coupled to a tool holder of a power tool, a blade including a paddle extending along the axis with a front portion and rear portion coupled to the front end of the shank, and a tip coupled to the front portion of the paddle. First and second primary cutting edges are disposed on a front edge of the front portion of the paddle and extend radially outward from the tip. At least the rear portion of the paddle is composed of a first steel alloy. The primary cutting edges are composed of a second steel alloy that has a greater hardness than the first steel alloy.

The invention relates to the technical field of electric tools, in particular to an electric wrench which comprises an electric driving part, a rotating part, a limiting part and at least two clamping parts, and the electric driving part is in transmission connection with the rotating part; the rotating part and the limiting part are coaxially arranged and can rotate relatively, the rotating part and the limiting part are correspondingly provided with functional notches, the rotating center of the rotating part and the rotating center of the limiting part are located in the functional notches, the rotating part is provided with at least two guide grooves in the side portions of the functional notches, and the limiting part is provided with at least two sliding grooves in the side portions of the functional notches. The sliding groove extends towards the rotating center and penetrates through the functional notch. The clamping parts are installed in the sliding grooves in a sliding mode and comprise protruding shafts, the protruding shafts are installed in the guide grooves in a sliding mode, and when the rotating part rotates relative to the limiting part, the rotating part drives the clamping parts to move in the direction close to or away from each other; when the clamping parts move to the limiting position in the direction close to or away from each other, the rotating parts and the limiting parts rotate synchronously. The electric wrench can replace manpower, and efficient and stable tightening operation is achieved.

A spraying device includes a tool body, a handle, and an energy store. The tool body is carried by way of the handle and one end of the handle, on the opposite side to the tool body, includes a coupling for mechanically and electrically coupling an energy store. A cage is connected to the coupling incorporated in a top of the cage. The cage includes two webs curved in a U shape arranged opposite one another and are each connected to the top of the cage. In a coupled state, the energy store is received in an interior space of the cage in such a way that the two webs each protrude downward beyond a housing of the coupled energy store and into the space. The energy store is assigned a lower opening, a left-hand opening, a right-hand opening, a front opening and a rear opening of the cage.

The invention relates to the field of steel bar binding, in particular to a synchronous movement mechanism for a steel bar binding robot and a control method.The synchronous movement mechanism comprises a box body, and a binding gun is arranged in the box body. Compared with a traditional binding mode, the synchronous movement mechanism has the advantages of being easy to assemble, disassemble, carry and maintain; the synchronous wheel can rotate smoothly only by adjusting the tightness degree of the fastening piece, and for quick-wear parts such as a synchronous belt, the synchronous wheel can be quickly disassembled and assembled, is easy to turn over and is relatively light in weight; the moving precision of XY movement and Z-axis lifting reaches the millimeter level while the light weight of the structure is guaranteed; and after the whole formwork is assembled, the synchronous movement mechanism is used for positioning steel bar binding points, automatic operation is achieved, traditional manual binding is reduced, binding efficiency is improved, manual on-site mounting and dismounting work is reduced, and the situation that safety accidents are likely to happen due to long-time fatigue operation of a handheld electric tool is avoided.

The active clamping type fastener anti-disengaging electric wrench comprises an electric tool body and a wrench sleeve, an output shaft is arranged at one end of the electric tool body, the wrench sleeve is assembled on the output shaft, and the wrench sleeve comprises an outer cylinder body and a driving block arranged in the outer cylinder body in a sliding mode in the axial direction; a movable section allowing the driving block to move front and back and a limiting section for axially limiting the driving block are arranged in the outer barrel, a clamping assembly is embedded in the inner wall of the movable section, and when the driving block is pushed by an external fastener to move to the limiting section, the clamping assembly is pushed outwards to clamp the fastener. According to the active clamping type fastener anti-disengaging electric wrench, the technical problems that an existing electric wrench enables a fastener to slip easily, and the fastener can fall out of a sleeve due to the fact that the fastener cannot be actively clamped are solved.

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.

One power tool includes a housing including a compartment for receiving another device. The power tool further includes a wireless communication device including a wireless communication controller including a transceiver. The wireless communication device is configured to be received in the compartment. The power tool further includes a motor within the housing, and the motor is configured to drive an output drive device. The power tool further includes a controller within the housing and having an electronic processor, a memory, and a data connection. The data connection is configured to couple the electronic processor to the wireless communication device when the wireless communication device is inserted into the compartment. The controller is configured to control operation of the motor, and communicate with an external device via the data connection and the wireless communication controller.