Drive apparatus of a mobile operating machine and mobile operating machine comprising said drive apparatus
AssigneeCifa SPA
InventorsNicola Pirri, Emanuele Zorzi
Life of this patent
Estimating the term…
Abstract
A drive apparatus for a mobile operating machine, comprising at least one internal combustion motor, an articulated arm to deliver concrete and a pumping unit to pump the concrete from the drum to the articulated arm. The drive apparatus comprises hydraulic pumps configured to pump a working fluid and to determine the drive of the pumping unit and of the articulated arm. The apparatus also comprises at least one electromechanical machine connected to the internal combustion motor, to the hydraulic pumps, and to an electric accumulator.
Claims8
A drive apparatus suitable to drive a mobile operating machine, comprising a motor vehicle moved by at least one internal combustion motor, an articulated arm able to deliver concrete and a pumping unit configured to pump the concrete to said articulated arm, said drive apparatus wherein is comprised:
- at least one hydraulic pump configured to pump a working fluid and to determine the drive of said pumping unit and at least one hydraulic pump configured to pump a working fluid and determine the drive of said articulated arm;
- at least one electromechanical machine connected to said internal combustion motor, to said hydraulic pumps, and to an electric accumulator, the at least one electromechanical machine being configured to assume at least a first operating condition in which the at least one electromechanical machine converts the mechanical energy of said internal combustion motor into electric energy to be accumulated in said electric accumulator, and a second operating condition in which the at least one electromechanical machine converts the electric energy of said electric accumulator into mechanical energy to drive at least one of said hydraulic pumps;
- at least a first drive axis along which said internal combustion motor and said electromechanical machine are positioned;
- and
- at least a second drive axis, adjacent and connected to said first drive axis by a transmission device, said hydraulic pumps being positioned on said second drive axis,
- at least another hydraulic pump configured to pump a working fluid and to determine the drive of a rotatable drum to mix the concrete, said at least another hydraulic pump being positioned on said first drive axis along which said internal combustion motor and said electromechanical machine are positioned,
- wherein said drive axes are parallel and said transmission device is positioned along a vertical axis (V).
A mobile operating machine, comprising a motor vehicle moved by at least one internal combustion motor, an articulated arm able to deliver concrete and a pumping unit configured to pump the concrete to said articulated arm, said mobile operating machine further comprising a drive apparatus provided with:
- at least one hydraulic pump configured to pump a working fluid and to determine the drive of said pumping unit and at least one hydraulic pump configured to pump a working fluid and determine the drive of said articulated arm;
- at least one electromechanical machine connected to said internal combustion motor, to said hydraulic pumps, and to an electric accumulator, the at least one electromechanical machine being configured to assume at least a first operating condition in which the at least one electromechanical machine converts the mechanical energy of said internal combustion motor into electric energy to be accumulated in said electric accumulator, and a second operating condition in which the at least one electromechanical machine converts the electric energy of said electric accumulator into mechanical energy to drive at least one of said hydraulic pumps;
- at least a first drive axis (A1) along which said internal combustion motor and said electromechanical machine are positioned;
- and
- at least a second drive axis (A2), adjacent and connected to said first drive axis (A1) by a transmission device, said hydraulic pumps being positioned on said second drive axis (A2);
- at least another hydraulic pump configured to pump a working fluid and to determine the drive of a rotatable drum to mix the concrete, said at least another hydraulic pump being positioned on said first drive axis (A1) along which said internal combustion motor and said electromechanical machine are positioned,
- wherein said drive axes are parallel and said transmission device is positioned along a vertical axis (V).
Dependencies are inferred from the claim text.