Title:
回転装置、削岩機および削岩方法
Document Type and Number:
Japanese Patent JP2014510862
Kind Code:
A
Abstract:
A rotation unit, rock drilling unit and method for rock drilling. The rotation unit includes a main shaft that is rotated around its longitudinal axis by means of a rotating motor. The main shaft is supported on a body of the rotation device slidingly in the axial direction. This slide property is utilized when connection threads of drilling equipment and drilling components comprised by it are connected.
Inventors:
Turmeric Jarbi, Tapio
Remmetti, Pauli
Hedrun, Juha
Maki, Yoruma
Remmetti, Pauli
Hedrun, Juha
Maki, Yoruma
Application Number:
JP2014504366A
Publication Date:
May 01, 2014
Filing Date:
April 13, 2012
Export Citation:
Assignee:
SANDVIK MINING AND CONSTRUCTION OY
International Classes:
E21B3/02
Domestic Patent References:
| JPH01287392A | 1989-11-20 |
Foreign References:
| US4582145A | 1986-04-15 | |||
| US4266620A | 1981-05-12 |
Attorney, Agent or Firm:
Takao Katori