Work Vehicle
First Claim
1. A work vehicle comprising:
- an engine;
a continuously variable transmission device that is located on a lateral side of the engine and receives a driving force from the engine, the continuously variable transmission device having a drive shaft;
an assist motor that is located opposite the engine across the continuously variable transmission device, the assist motor having an output shaft that extends coaxially with the drive shaft and is interlocked with the drive shaft;
a motor support platform that supports the assist motor, the motor support platform protruding more outward than the continuously variable transmission device does in a lateral direction relative to a vehicle body; and
a slide movement mechanism that is provided for the motor support platform, the slide movement mechanism being configured to change a position at which the assist motor is attached, relative to the continuously variable transmission device, axially of the drive shaft, between a connected position and a disconnected position of the drive shaft and the output shaft.
1 Assignment
0 Petitions
Accused Products
Abstract
A work vehicle includes an assist motor that is located opposite an engine with respect to a continuously variable transmission device. The assist motor has an output shaft that extends coaxially with a drive shaft of the continuously variable transmission device and is interlocked with the drive shaft. A motor support platform that supports the assist motor protrudes more outward than the continuously variable transmission device does in a lateral direction relative to a vehicle body. The motor support platform includes a slide movement mechanism, and the slide movement mechanism is configured to change the position at which the assist motor is attached, relative to the continuously variable transmission device, axially of the drive shaft, between a connected position and a disconnected position of the drive shaft and the output shaft.
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Citations
10 Claims
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1. A work vehicle comprising:
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an engine; a continuously variable transmission device that is located on a lateral side of the engine and receives a driving force from the engine, the continuously variable transmission device having a drive shaft; an assist motor that is located opposite the engine across the continuously variable transmission device, the assist motor having an output shaft that extends coaxially with the drive shaft and is interlocked with the drive shaft; a motor support platform that supports the assist motor, the motor support platform protruding more outward than the continuously variable transmission device does in a lateral direction relative to a vehicle body; and a slide movement mechanism that is provided for the motor support platform, the slide movement mechanism being configured to change a position at which the assist motor is attached, relative to the continuously variable transmission device, axially of the drive shaft, between a connected position and a disconnected position of the drive shaft and the output shaft. - View Dependent Claims (2, 3)
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4. A multipurpose vehicle comprising:
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a pair of right and left front wheels and a pair of right and left rear wheels; a vehicle frame that is supported by the front wheels and the rear wheels; a driving section that is located on a front portion of the vehicle frame; a load carrying platform that is located on the vehicle frame at a position that is rearward of the driving section; an engine and an assist motor that transmit driving forces to the front wheels and the rear wheels, the engine being located below the load carrying platform, the assist motor being located forward of the rear wheels and laterally outward of the engine, and the assist motor including a connection terminal portion, to which a wire is connected, in an upper portion thereof; and a motor cover that covers the assist motor, the motor cover including a top cover portion that covers an upper portion of the assist motor, the upper portion including the connection terminal portion, and a cover supporting portion that supports the top cover portion, the cover supporting portion including an opening portion that allows external air to come into contact with the assist motor. - View Dependent Claims (5, 6)
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7. A multipurpose vehicle comprising:
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a pair of right and left front wheels and a pair of right and left rear wheels; a vehicle frame that is supported by the front wheels and the rear wheels; a driving section that is located on a front portion of the vehicle frame; a load carrying platform that is located on the vehicle frame at a position that is rearward of the driving section; an engine; an assist motor; a battery that supplies a driving force for the assist motor to the assist motor; a travelling power transmission mechanism that transmits driving forces from the engine and the assist motor to the front wheels and the rear wheels; and a power transmission state switching device that is located downstream of the travelling power transmission mechanism in a direction in which power is transmitted, and is configured to connect and disconnect transmission of travelling power from the travelling power transmission mechanism to the front wheels and the rear wheels, wherein the power transmission state switching device is configured to be switchable to; a parallel hybrid travel driving state in which a driving force from the engine and a driving force from the assist motor are both transmitted to the front wheels and the rear wheels via the travelling power transmission mechanism, a regenerative brake state in which regenerative torque is transmitted from the travelling power transmission mechanism to the assist motor, and a non-travelling charging state in which power is not transmitted from the travelling power transmission mechanism to the front wheels or the rear wheels, and power generated by the engine is transmitted to the assist motor as regenerative torque. - View Dependent Claims (8)
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9. A work vehicle comprising:
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an acceleration tool; an accelerator sensor that detects an operation amount of the acceleration tool; a vehicle speed sensor that detects a vehicle speed; an electric motor that outputs travelling power; a rotation sensor that detects a rotation speed of the electric motor; a control unit that controls an operation of the electric motor; wherein the control unit includes;
a storage section that stores data that indicates a relationship between the rotation speed and output torque of the electric motor;
a torque setting section that sets a torque instruction value based on the data, detection performed by the accelerator sensor and detection performed by the rotation sensor; and
a torque controller section that controls an operation of the electric motor so that the output torque reaches the torque instruction value,the storage section stores a torque limit value that has been set based on a speed limit value of the vehicle, the control unit includes a limit value optimizer section, if the torque instruction value reaches the torque limit value when the vehicle speed has not reached the speed limit value, the limit value optimizer section performs limit value lowering processing to lower the torque limit value so that the vehicle speed increases toward the speed limit value, and if the vehicle speed exceeds the speed limit value, the limit value optimizer section performs limit value raising processing to raise the torque limit value so that the vehicle speed decreases toward the speed limit value. - View Dependent Claims (10)
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Specification