Abstract: An anchor module, in particular for mining and tunneling, is provided. The anchor module comprises a drill bit having a drill section and a connecting section. The anchor module also comprises an anchor rod made of plastic, extending along an anchor axis and having a connecting section for fastening the drill bit in the area of the one axial rod end, such that the outside diameter of the drill bit is larger than the outside diameter of the anchor rod on the connecting section, wherein the outside diameter of the drill bit is at most about 20%, in particular embodiments at most about 10%, and/or at most about 10 millimeters larger than the outside diameter of the anchor rod on the connecting section.

Abstract: Construction machine, with working drum mounted at a machine frame, combustion engine for driving the working drum, drive train between the combustion engine and the working drum, and clutch in the drive train, where the clutch is arranged between a drive shaft and output shaft of the drive train, clutch elements on drive side capable of being engaged with clutch elements on output side, where clutch elements on the drive side or on output side are provided with several clutch part elements that are permanently engaged with one another via at least one mechanical coupling, it is provided that a braking device acting between the drive shaft and the output shaft is arranged at the clutch, said braking device being additionally engaged during engagement of the clutch in order to eliminate or reduce any rotary vibrations caused by play of mechanical coupling between clutch part elements.

Abstract: Construction machine, with working drum mounted at a machine frame, combustion engine for driving the working drum, drive train between the combustion engine and the working drum, and clutch in the drive train, where the clutch is arranged between a drive shaft and output shaft of the drive train, clutch elements on drive side capable of being engaged with clutch elements on output side, where clutch elements on the drive side or on output side are provided with several clutch part elements that are permanently engaged with one another via at least one mechanical coupling, it is provided that a braking device acting between the drive shaft and the output shaft is arranged at the clutch, said braking device being additionally engaged during engagement of the clutch in order to eliminate or reduce any rotary vibrations caused by play of mechanical coupling between clutch part elements.

Abstract: In an automotive road construction machine (1), with a working drum (6) for working a ground surface or traffic surface (3) mounted at a machine frame (4), a combustion engine (10) for driving the working drum (6), and a drive train (8) between the combustion engine (10) and the working drum (6), it is provided that at least one vibration damper (5) and/or vibration absorber is arranged at the working drum (6) or in the drive train (8) downstream of the combustion engine (10), with the said vibration damper (5) and/or vibration absorber eliminating or reducing rotary vibrations generated by the combustion engine (10).

Abstract: Construction machine, with working drum mounted at a machine frame, combustion engine for driving the working drum, drive train between the combustion engine and the working drum, and clutch in the drive train, where the clutch is arranged between a drive shaft and output shaft of the drive train, clutch elements on drive side capable of being engaged with clutch elements on output side, where clutch elements on the drive side or on output side are provided with several clutch part elements that are permanently engaged with one another via at least one mechanical coupling, it is provided that a braking device acting between the drive shaft and the output shaft is arranged at the clutch, said braking device being additionally engaged during engagement of the clutch in order to eliminate or reduce any rotary vibrations caused by play of mechanical coupling between clutch part elements.