A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
BOHRSTANGE UND VERFAHREN ZUM NACHRÜSTEN EINER KELLYSTANGEN-ANORDNUNG
The invention relates to a drill rod for transferring a torque comprising an elongate rod base body, along which runs at least one base line for a fluid and/or electric current and/or data, an upper suspension device for suspending the drill rod from a support element, a rotary bearing, which is arranged between the suspension device and the rod base body, wherein the rod base body is mounted rotatably relative to the suspension device about a rod longitudinal axis, and a rotary feedthrough, through which a line connection is formed between at least one feed line, which is fixed relative to the support element, and the at least one base line of the rotatably-mounted rod base body. The invention is characterized here in that the rotary bearing is arranged axially distanced from the rotary feedthrough, and in that the rotary bearing comprises an axial bearing which is arranged above or below the rotary feedthrough. The invention furthermore relates to a drilling apparatus comprising such a drill rod and to a method for retrofitting an existing Kelly bar arrangement.
BOHRSTANGE UND VERFAHREN ZUM NACHRÜSTEN EINER KELLYSTANGEN-ANORDNUNG
The invention relates to a drill rod for transferring a torque comprising an elongate rod base body, along which runs at least one base line for a fluid and/or electric current and/or data, an upper suspension device for suspending the drill rod from a support element, a rotary bearing, which is arranged between the suspension device and the rod base body, wherein the rod base body is mounted rotatably relative to the suspension device about a rod longitudinal axis, and a rotary feedthrough, through which a line connection is formed between at least one feed line, which is fixed relative to the support element, and the at least one base line of the rotatably-mounted rod base body. The invention is characterized here in that the rotary bearing is arranged axially distanced from the rotary feedthrough, and in that the rotary bearing comprises an axial bearing which is arranged above or below the rotary feedthrough. The invention furthermore relates to a drilling apparatus comprising such a drill rod and to a method for retrofitting an existing Kelly bar arrangement.
BOHRSTANGE UND VERFAHREN ZUM NACHRÜSTEN EINER KELLYSTANGEN-ANORDNUNG
DRILLING ROD AND METHOD FOR RETROFITTING A KELLY BAR ASSEMBLY
TIGE DE FORAGE ET PROCÉDÉ POUR MISE À NIVEAU D'UN AGENCEMENT DE TIGE CARRÉE
SIEGMANN TOBIAS (author)
2023-08-23
Patent
Electronic Resource
German
BOHRSTANGE UND VERFAHREN ZUM NACHRÜSTEN EINER KELLYSTANGEN- ANORDNUNG
| European Patent Office | 2021
Treppenhausmodul und Verfahren zum Nachrüsten eines Gebäudes mit einer Aufzugsanlage
| European Patent Office | 2023
VERFAHREN ZUM NACHRÜSTEN EINES GEBÄUDES MIT EINER AUFZUGSANLAGE UND TREPPENHAUSMODUL
| European Patent Office | 2023
Fundamentrahmen und Verfahren zum Nachrüsten eines Gebäudes mit einer Aufzugsanlage
| European Patent Office | 2023