Electric work vehicle
An electric work vehicle includes a work implement, a battery, a motor driven by electric power supplied by the battery, a traveler driven by the motor, a hydraulic pump that is driven by the motor to supply oil to an operating mechanism of the work implement, a transmission to transmit motive power from the motor to the hydraulic pump, and a case that houses the transmission. The case is coupled to the motor, and the hydraulic pump his supported by the case.
1. An electric work vehicle comprising:
a work implement;
a battery;
a motor to be driven by electric power supplied by the battery;
a traveler to be driven by the motor;
a speed change device to change a driving force from the motor and transmit the driving force as changed to the traveler;
a hydraulic pump to be driven by the motor to supply oil to an operating mechanism of the work implement;
a transmission to transmit motive power from the motor to the hydraulic pump; and
a case to house the transmission; wherein
the motor includes a motor output shaft;
the speed change device includes a transmission input shaft rotatable integrally with the motor output shaft;
the motor and the hydraulic pump are located outside of the case;
the case is coupled to the motor;
the hydraulic pump is supported by the case; and
the transmission transmits the motive power from the motor output shaft through a transmission path divided into a transmission path extending to the speed change device and a transmission path extending to the hydraulic pump.
2. The electric work vehicle according to claim 1 , wherein
the case includes a first portion and a second portion that are adjacent to each other in a front-rear direction of a body of the electric work vehicle;
the first portion and the second portion are coupled to each other;
the first portion is located on one side in the front-rear direction of the body relative to the second portion;
the motor and the hydraulic pump are located on the one side in the front-rear direction of the body relative to the first portion; and
the second portion is separable from the first portion toward another side in the front-rear direction of the body.
3. The electric work vehicle according to claim 2 , further comprising:
left and right main frames that extend in the front-rear direction of the body; wherein
the left and right main frames each include an end portion on the other side in the front-rear direction of the body, the end portions being connected to an end portion of the first portion on the one side in the front-rear direction of the body;
the motor is located at a position between the left and right main frames; and
the first portion supports the motor in a cantilevered state and supports the hydraulic pump in a cantilevered state.
4. The electric work vehicle according to claim 2 , further comprising:
a plurality of fasteners; wherein
the fasteners each fasten together the motor, the first portion, and the second portion;
in a rear view, the fasteners are aligned in a circumferential direction of the motor output shaft, and are centered around the motor output shaft; and
the transmission extends through a space between two of the fasteners that are adjacent to each other in the circumferential direction of the motor output shaft.
5. The electric work vehicle according to claim 1 , wherein the transmission includes a gear.
6. The electric work vehicle according to claim 1 , wherein the case is configured to store oil.
7. An electric work vehicle comprising:
a work implement;
a battery;
a motor to be driven by electric power supplied by the battery;
a traveler to be driven by the motor;
a hydraulic pump to be driven by the motor to supply oil to an operating mechanism of the work implement;
a transmission to transmit motive power from the motor to the hydraulic pump; and
a case to house the transmission; and
an oil supply passage that connects the case and the hydraulic pump; wherein
the motor and the hydraulic pump are located outside of the case;
the case is coupled to the motor;
the hydraulic pump is supported by the case;
the case is configured to store oil; and
the oil stored in the case is supplied to the hydraulic pump via the oil supply passage.
8. An electric work vehicle comprising:
a work implement;
a battery;
a motor to be driven by electric power supplied by the battery;
a traveler to be driven by the motor;
a hydraulic pump to be driven by the motor to supply oil to an operating mechanism of the work implement;
a transmission to transmit motive power from the motor to the hydraulic pump; and
a case to house the transmission; wherein
the motor and the hydraulic pump are located outside of the case;
the case is coupled to the motor;
the hydraulic pump is supported by the case;
the case includes a first portion and a second portion that are adjacent to each other in a front-rear direction of a body of the electric work vehicle;
the first portion and the second portion are coupled to each other;
the first portion is located on one side in the front-rear direction of the body relative to the second portion;
the motor and the hydraulic pump are located on the one side in the front-rear direction of the body relative to the first portion; and
the second portion is separable from the first portion toward another side in the front-rear direction of the body.