IMPROVED DETERMINATION OF AN EXCAVATOR SWING BOOM ANGLE BASED ON THE DIRECTION OF THE CENTRIPETAL ACCELERATIONThe invention relates to a system for determining a swing boom angle 2 of an excavator 1, wherein the excavator 1 comprises a lower part 3, an upper part 4 comprising a cabin 5, the upper part 4 being…DRIVE·Mar 11·2 min readFollowE02F3/325LEICA GEOSYSTEMS TECH A/S [DK]
CONSTRUCTION MACHINE[Problem] The present invention has been made in view of the above problem; it is an object of the present invention to simplify, in an electrically controlled construction machine, a wiring of a wire…DRIVE·Feb 11·2 min readFollowE02F3/325YANMAR HOLDINGS CO LTD [JP]
CONSTRUCTION MACHINE[Problem] The present invention has been made in view of the above problem; it is an object of the present invention to simplify, in an electrically controlled construction machine, a wiring of a wire…DRIVE·Feb 11·1 min readFollowE02F3/325YANMAR HOLDINGS CO LTD [JP]
CONSTRUCTION MACHINEA turning work vehicle comprises a lower travel body, an upper turning body, a work device, a rotation body (113), and a support column (55). The lower travel body is provided with a blade (47). The u…DRIVE·Mar 6·2 min readFollowE02F3/325YANMAR POWER TECHNOLOGY CO LTD [JP]
Electrically Powered Construction MachineA hydraulic shovel is provided with a lower travelling body and an upper revolving body revolvably disposed on the lower travelling body. The hydraulic shovel is also provided with a motor disposed on…DRIVE·Mar 10·1 min readFollowE02F3/325Yanmar Power Technology Co., Ltd.
CONSTRUCTION MACHINEA control device (34) for driving/controlling an engine (10) on the basis of a signal from a temperature state detector (30), a rotation detector (31), and a rotational speed setting device (32) are p…DRIVE·Dec 3·2 min readFollowE02F3/325HITACHI CONSTRUCTION MACHINERY [JP]
CONSTRUCTION MACHINEDuring an operation, a control device (38) for performing output control of an engine (10) determines whether or not the engine (10) and/or an exhaust gas purifying device (18) has a malfunction. If i…DRIVE·Dec 3·1 min readFollowE02F3/325HITACHI CONSTRUCTION MACHINERY [JP]
CONSTRUCTION MACHINEA control pressure switching valve (57) is disposed between a displacement regulator (26) and a pressure control valve (44). The control pressure switching valve (57) is switched between a control pos…DRIVE·Oct 8·2 min readFollowE02F3/325HITACHI CONSTRUCTION MACHINERY [JP]
HYDRAULIC DRIVE SYSTEM USED IN CONSTRUCTION MACHINE AND PROVIDED WITH EXHAUST GAS PURIFICATION DEVICEA construction machine hydraulic drive system that performs load sensing control is arranged to be capable of efficiently burning and removing deposits on a filter in an exhaust gas purifying device t…DRIVE·Aug 13·2 min readFollowE02F3/325HITACHI CONSTRUCTION MACHINERY [JP]
ELECTRIC CONSTRUCTION MACHINEProvided is an electrically-operated construction machine that is capable of increasing work efficiency in a battery charging operation. A lock switch 29 provides a closed contact when a lock lever 28…DRIVE·Aug 28·2 min readFollowE02F3/325HITACHI CONSTRUCTION MACHINERY [JP]