FIELD: materials handling equipment. SUBSTANCE: crane boom mechanism has boom hinge-connected with crane platform body, boom fly jib hinge-connected boom, hydraulic cylinders, controlled distributor and automatic system to provide horizontal transportation of load. Mechanism has potentiometer transducers installed in hinge joints of boom and fly jib which are connected into bridge circuit. Resistance of potentiometer transducers is selected to provide required relationship. EFFECT: enlarged operating capabilities. 2 dwg
Title | Year | Author | Number |
---|---|---|---|
CRANE JIB | 2007 |
|
RU2374166C2 |
METHOD OF MEASURING RADIUS IN BOOM LIFTING CRANE MINIMUM RADIUS CHECK | 2004 |
|
RU2271986C2 |
0 |
|
SU440329A1 | |
0 |
|
SU424803A1 | |
BOOM LOAD-LIFTING CRANE OVERLOAD PROTECTION METHOD (VERSIONS) | 2006 |
|
RU2322382C1 |
BOOM CRANE | 1992 |
|
RU2026259C1 |
SAFETY ARRANGEMENT FOR BOOM CRANE | 0 |
|
SU1101402A1 |
CRANE JIB | 1988 |
|
RU2026260C1 |
CRANE-MANIPULATOR | 1994 |
|
RU2081808C1 |
0 |
|
SU492465A2 |
Authors
Dates
1994-10-30—Published
1990-08-08—Filed