EP 4227039 A3 20231018 - CONCRETE GRINDER AND CONCRETE GRINDING APPARATUS
Title (en)
CONCRETE GRINDER AND CONCRETE GRINDING APPARATUS
Title (de)
BETONSCHLEIFMASCHINE UND BETONSCHLEIFVORRICHTUNG
Title (fr)
BROYEUR DE BÉTON ET APPAREIL DE BROYAGE DE BÉTON
Publication
Application
Priority
CN 202210062697 A 20220119
Abstract (en)
The invention relates to the technical field of concrete grinding equipment, in particular to a concrete grinder and a concrete grinding apparatus. The concrete grinder comprises a main body, wherein the lower end of the main body is rotatably connected with a grinding disk, the outer wall of the main body is rotatably connected with a drive ring, a dust-proof cover is coaxially mounted at the lower end of the drive ring, a plurality of drive grooves are formed on the inner wall of the drive ring, and the drive ring is equipped with an adjusting assembly for locking the position of the drive ring; and the concrete grinding apparatus comprises a main body and a bracket connected thereto, wherein the bottom of the bracket is equipped with at least two sliding wheels, a mounting frame is mounted on the bracket, limiting member are mounted on the mounting frame, an lifting plate is mounted on the main body, limiting grooves are formed on the lifting plate, the limiting members are inserted in the limiting grooves in a sliding manner, and the mounting frame is connected with a locking bolt in a threaded manner. The axial direction of the locking bolt is perpendicular to the extending direction of the limiting grooves. The invention can improve the precision of the concrete grinder.
IPC 8 full level
B24B 7/18 (2006.01); B24B 7/22 (2006.01); B24B 55/04 (2006.01); B24B 55/05 (2006.01); B28D 1/18 (2006.01)
CPC (source: EP)
B24B 7/186 (2013.01); B24B 7/22 (2013.01); B24B 55/052 (2013.01)
Citation (search report)
- [XY] DE 8914346 U1 19900125
- [Y] EP 2186600 A1 20100519 - COLLOMIX RUEHR MISCHGERAETE [DE]
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
EP 4227039 A2 20230816; EP 4227039 A3 20231018; EP 4227039 B1 20240807; EP 4227039 C0 20240807; CN 114346792 A 20220415; CN 114346792 B 20220920
DOCDB simple family (application)
EP 22212447 A 20221209; CN 202210062697 A 20220119