Abstract:
A torque wrench for multiple bolts or nuts comprises multiple drive spindles that are arranged annularly around a center and are equipped or able to be equipped at the end with respective torque-applying tools, and a ratchet drive, associated with each drive spindle and driven by means of a hydraulic piston drive, for driving the drive spindles. In addition to the ratchet drive, a locking ratchet for locking the drive spindle acts on each drive spindle to keep it from turning back when exercising a return stroke movement of the drive ratchet. The locking ratchets are arranged in a locking bracket, which is penetrated by the drive spindles. The locking bracket has means for loosening the locking ratchets.
Abstract:
A torque socket having a torque adjusting function comprises: a shaft rod having two ends axially extended with an insertion tenon and a core shaft having a shaft hole and having the outer circumference thereof radially formed with a first friction surface; an adjustment member disposed in the shaft hole and having the outer circumference thereof formed with a top connection head and a connecting segment; and a shaft cylinder having two axial ends formed with a shaft slot and a sleeve slot, wherein the interior of the shaft slot is radially formed with a second friction surface being in contact with the first friction surface; when rotating the adjustment member, the outer dimension of the core shaft and the contact area of the first friction surface and the second friction surface can be altered for adjusting the torque.
Abstract:
Wrenches, apparatus, devices and methods of using a T handle with a torque wrench with adjustable torque setting controls having an automated slip function for applications such as for motorcycles, automotive, machinery and the like. The wrench allows for a user to pull up a lock feature which allows the user to selectively set a torque value by rotating the handle. Once a torque setting is made, the lock is pushed down and the wrench can be used to tighten fasteners, such as bolts, nuts, and the like. While tightening, the fastener, the wrench goes into a slip function when the setting has been reached, so that the fasteners, cannot be stripped.
Abstract:
Embodiments of the present disclosure provide a control system including: a power wrench; and a controller operatively connected to the power wrench, wherein the controller is configured to perform actions including: directing an operative head of the power wrench to turn in response to a pressure-angle derivative of the operative head being below a predetermined threshold, defining an origin at an angular position of the operative head where the pressure-angle derivative of the operative head exceeds the predetermined threshold, directing the operative head to turn by an angular step in response to: the pressure-angle derivative of the operative head exceeding the predetermined threshold, and an angular differential of the operative head being less than a target value; and directing the operative head to cease turning in response to the angular differential of the operative head being approximately equal to or greater than the target value.
Abstract:
The invention relates to a drive unit for a power operated tool for the generation of a screw pretensioning force, with a pump unit (2), a valve unit (3) arranged on the pump unit with a pressure-restricting pressure valve (4) and a control unit (2) for activating the pump unit. In order to provide a drive unit that eliminates the risk of an incorrect setting of the setting parameter, it is provided that a processing unit (5) with an output unit and a data capturing unit (6) connected and/or integrated with the processing unit are provided, wherein the processing unit is designed for the output of the value to be set on the pressure valve based on the screw connection process parameters determined with the data capturing unit.
Abstract:
Pneumatic tightening tools can be used for high speed assembly of critical bolts to precise loads by dynamically controlling the output power of the pneumatic tool during a tightening cycle using an electronically controlled air pressure regulator to reduce the tightening rate, or the load increase per impact for impact or impulse tools, to enable the tool to be stopped precisely at a specified stopping load or torque. For prevailing torque fasteners, the output power of the pneumatic tool is dynamically controlled to minimize the speed of rotation during rundown, to minimize the heating effects associated with such torque fasteners, and to then increase the power from the tool, as required, to provide the torque to reach the specified stopping load or torque. The maximum air pressure supplied to the pneumatic tool can be limited, depending on the expected torque required to tighten the fastener to the specified load or torque.
Abstract:
A torque-controlling actuator clutch is used in a tool system with a motor for rotating a bit. The actuator clutch includes a driving shaft rotatingly driven by the motor, a driven shaft operatively connected to and rotated by the driving shaft, the bit removably attached to the driven shaft, a clutch mechanism for selectively coupling and uncoupling the driving shaft and the driven shaft and an actuator operated by a pressure of a working medium for pressing the clutch mechanism into engagement so that a torque can be transferred from the driving shaft to the driven shaft. A control unit is used to control the pressure of the working medium supplied to the actuator and the torque transferred from the driving shaft to the driven shaft.
Abstract:
A powered driver and methods are disclosed, the driver including a head having a gapped jaw and housing a motor driven drive transfer assembly for operating a rotatable split socket engageable at a threaded connector. A reaction unit having a biased fitting engagement attached to rail guides is movably maintained through the head, and a probe and switch are associated with different ones of the reaction unit and the head. A safety assembly includes a biased gate switch engageble with a roller switch and is located at the head for sending run status electrical signals to the driver dependent on position of the gate switch. Control lights and switches are provided for user interface and driver status monitoring.
Abstract:
A device and method for variable torque fastening are capable of easily varying a tightening torque and are capable of automatically changing a tightening torque according to the sequence set by an operator. The variable torque fastening device includes a fastening unit having a drive shaft which is rotated by a motor, a driven shaft which is rotated by the drive shaft and is mounted with a fastening tool, a slip clutch which intermittently connects the drive shaft to the driven shaft, and a piston which moves forward and backward by an air pressure to press the slip clutch, a compressed air supply source which supplies compressed air to the fastening unit to press the piston, and an air pressure control unit which controls a pressure of the air that presses the piston.
Abstract:
A pneumatic power nut runner with a rotation motor which is connected to a drive train including a torque responsive release clutch (10) and a disengageable torque non-responsive clutch (11), a pressure air inlet valve (12), and an activation mechanism (49, 50) for automatic power shut-off at the attainment of a desired maximum torque level. The activation mechanism (49, 50) comprises a transversely displaceable latch element (49) provided with a blind bore (54) for permitting closure of the inlet valve (12) and a depression (55) for allowing engagement of the torque non-responsive clutch (11), wherein a transverse displacement of the latch element (49) at the attainment of the desired torque level results in a freeing of the inlet valve (12) for displacement toward closed position and a forcing of the torque non-responsive clutch (11) out of engagement.