公开(公告)号：US20240044359A1

公开(公告)日：2024-02-08

申请号：US18039594

申请日：2021-11-26

Applicant: SANDVIK MINING AND CONSTRUCTION OY

Inventor： Juha PIIPPONEN ,  Pekka ANTTONEN ,  Jussi MAKSIMAINEN ,  Sirpa LAUNIS ,  Juho JARKKALA ,  Risto KALLINEN ,  Stephen CONNELLY ,  Kimmo ERONEN

IPC: F16C11/04 ,  E21C35/00 ,  F16H19/08

CPC classification number: F16C11/04 ,  E21C35/00 ,  F16H19/08 ,  E21B7/025

Abstract: A rotation apparatus for a boom of a mining vehicle includes a rotation device having an axial central axis. The rotation device has a housing and an inner manifold having a tube-like structure with a space within, wherein the inner manifold is arranged concentrically inside the housing. The housing is arranged to rotate around the axial central axis and the housing includes a housing channel. The inner manifold has a fluid channel having a fluid inlet for receiving fluid from the boom, and the fluid channel is connected to the housing channel for forming a fluid conduit through the rotation device.

公开(公告)号：US20190186206A1

公开(公告)日：2019-06-20

申请号：US16222648

申请日：2018-12-17

Applicant: SANDVIK MINING AND CONSTRUCTION OY

Inventor： Kimmo ERONEN ,  Anssi HYVARINEN ,  Paul BROWN ,  Stephen CONNELLY ,  Risto KALLINEN ,  Sirpa LAUNIS ,  Juha PIIPPONEN ,  Esa RANTALA ,  Teemu MAJANDER

IPC: E21B15/00 ,  E21B7/02 ,  B32B1/08 ,  B32B27/08 ,  B32B27/06 ,  B32B27/40 ,  B32B5/18

CPC classification number: E21B15/00 ,  B32B1/08 ,  B32B5/18 ,  B32B27/065 ,  B32B27/08 ,  B32B27/40 ,  B32B2262/106 ,  B32B2266/0278 ,  B32B2307/56 ,  B32B2597/00 ,  E21B7/025

Abstract: A feed beam, a rock drilling unit and to a method of manufacturing a feed beam is provided. The feed beam includes a basic profile element, which has two or more superimposed material layers. At least one of the material layers may be made of a composite material.