A locking ring impactor apparatus is a modular tool housing used to rotate the locking rings of centrifuges, pressure vessels, or other industrial equipment using conventional power tools. The locking ring impactor apparatus utilizes an impacting tool mounted to an armature with a recoil damper assembly. The armature receives and supports the impacting tool while the recoil damper assembly absorbs and mitigates the recoil forces generated by the impacting tool. A tool adapter is mounted between the impacting tool and a locking ring with at least one tensile member being engaged between the tool adapter and the recoil damper assembly. The at least one tensile member is configured to apply tension between the tool adapter and the recoil damper assembly to ensure that the force of the impacting tool is directed towards rotating the locking ring instead of vibrating the armature in-place.

A powered hammer includes a housing having a proximal end and a distal end. The distal end includes an opening for a tool to pass through. The powered hammer further includes a shroud member coupled to the housing and configured to surround an outer surface of the distal end of the housing. The shroud member includes an opening on a lower surface thereof. The opening is configured to allow the tool to pass through. The shroud member is made from a ceramic material with a layer of fiber glass disposed adjacent to the outer surface of the distal end of the housing. The shroud member is configured to reduce heat transfer to the housing from an ambient environment proximate the distal end of the housing.

A prior art powered wrist pin knocker is improved with a new plunger that prevents wobbling. The new plunger responds to a return vacuum pressure. The improved plunger is symmetrical along a longitudinal axis. New embodiments include a new side mount valve head to reduce length, a remote air controller and a variable length cylinder for the cannon. The new valve head is a simplified valve head assembly that adapts to an end of the cannon mount or a side mount or a remote mount. Another embodiment provides a stand for a surface mount application. This embodiment can have an extended piston for loosening tail bearings down a long channel. A manual return embodiment can use a rod to manually return the plunger to the proximal end for another firing cycle.

A prior art powered wrist pin knocker is improved with a new plunger that prevents wobbling. The new plunger responds to a return vacuum pressure. The improved plunger is symmetrical along a longitudinal axis. New embodiments include a new side mount valve head to reduce length, a remote air controller and a variable length cylinder for the cannon. The new valve head is a simplified valve head assembly that adapts to an end of the cannon mount or a side mount or a remote mount. Another embodiment provides a stand for a surface mount application. This embodiment can have an extended piston for loosening tail bearings down a long channel. A manual return embodiment can use a rod to manually return the plunger to the proximal end for another firing cycle.

A tool guide has a holder, a lifting mechanism and a chassis. The holder is for fixing a portable power tool, and is mounted on the lifting mechanism. The lifting mechanism has a propulsion system for vertically raising the holder. The chassis has two wheels on a wheel axis, a drive which is coupled to the wheels, and a steering system. The lifting mechanism is rigidly mounted on the chassis. A center of gravity sensor is designed for detecting a lateral deflection x of the center of gravity G of the lifting mechanism in relation to the wheel axis. The steering system is designed to actuate the drive to output a torque which counteracts the deflection x. The lifting mechanism can be pivoted by means of a pivot drive. An inclination controller is designed to actuate the pivot drive in such a way that the inclination is minimized.

A tool guide has a holder, a lifting mechanism and a chassis. The holder is for fixing a portable power tool, and is mounted on the lifting mechanism. The lifting mechanism has a propulsion system for vertically raising the holder. The chassis has two wheels on a wheel axis, a drive which is coupled to the wheels, and a steering system. The lifting mechanism is rigidly mounted on the chassis. A center of gravity sensor is designed for detecting a lateral deflection x of the center of gravity G of the lifting mechanism in relation to the wheel axis. The steering system is designed to actuate the drive to output a torque which counteracts the deflection x. The lifting mechanism can be pivoted by means of a pivot drive. An inclination controller is designed to actuate the pivot drive in such a way that the inclination is minimized.

A rock drilling arrangement includes an impact device having a frame, pressure chambers in the frame, and a piston arranged in the impact device. The arrangement further includes a rear mounting arrangement for attaching the impact device to a carriage, a front mounting arrangement for attaching the impact device to a machine component, at least one fore pressure accumulator arranged on a front side of the rear mounting arrangement in an axial direction of the piston, and at least one rear pressure accumulator arranged on a back side of the rear mounting arrangement. The fore pressure accumulator and the rear pressure accumulator are connected to one of the pressure chambers and arranged to absorb pressure fluctuations in the pressure chambers.

A rock drilling arrangement includes an impact device having a frame, pressure chambers in the frame, and a piston arranged in the impact device. The arrangement further includes a rear mounting arrangement for attaching the impact device to a carriage, a front mounting arrangement for attaching the impact device to a machine component, at least one fore pressure accumulator arranged on a front side of the rear mounting arrangement in an axial direction of the piston, and at least one rear pressure accumulator arranged on a back side of the rear mounting arrangement. The fore pressure accumulator and the rear pressure accumulator are connected to one of the pressure chambers and arranged to absorb pressure fluctuations in the pressure chambers.

A lanyard for a power tool includes a belt; a connector having a first part connected to the belt at a first location along a length of the belt and a second part connected to the belt at a second location along the length of the belt, the first part being releasably attachable to the second part; and a lock configured to lock the first part to the second part.

A construction robot for performing construction tasks on a construction site, in particular a building construction site and/or a civil engineering construction site, comprising at least one manipulator for performing a construction task, an internal construction task management system, which is set up to store an internal construction task list of the construction robot in a retrievable manner, the internal construction task list comprising one or more construction tasks to be performed by the construction robot on the construction site, and a communication interface for communication with an external construction task management system, the external construction task management system being set up to store an external construction task list in a retrievable manner, the external construction task list comprising one or more construction tasks to be performed on the construction site, the construction robot being set up to send at least one construction task and/or a construction task status of a construction task of the internal construction task list to the external construction task management system via the communication interface. The invention further comprises a construction robot system and a method for controlling at least one construction robot of a construction robot system. The invention makes it possible for construction tasks to be performed on a construction site in a documented manner.