Abstract: The disclosure provides a position changing device capable of reducing the size of the entire device in a plane. A position changing device (30) includes four pulley mechanisms (40). In the pulley mechanism (40), a toothed belt (45) is wound around a driving pulley (41) and a driven pulley (43), and is held between the driving pulley (41) and an idler roller (42) by the idler roller (42) and held between the driven pulley (43) and an idler roller (44) by the idler roller (44), and when the driving pulley (41) is driven by a driving mechanism (46), the position of a movable base plate (31) is changed.

Abstract: The disclosure provides a vehicle excitation advice. The vehicle excitation device that excites a vehicle having a plurality of wheels includes a plurality of excitation machine bodies on which the wheels are placed, respectively. The excitation machine body includes a front shaft and a rear shaft on which the wheels are placed at intervals in the in the front-rear direction of the vehicle, and an actuator (hydraulic actuator) that excites vibration to the wheels by moving at least one of the front shaft and the rear shaft in the front-rear direction. The front shaft is inclined such that the inner end portion of the front shaft in the left-right direction of the vehicle is located closer to the front of the vehicle than the outer end portion of the front shaft in the left-right direction of the vehicle.

Abstract: A vehicle inspection apparatus includes: an exciter roller (3) configured to apply vibration to a vehicle (6); a control device 5 configured to control the exciter roller (3); and a vibration setting unit (the control device (5)) configured to set a vibration that is input to a wheel (7) of the vehicle (6) when abnormal noise generated in the vehicle (6) is detected. The control device (5) provides a range of vibrations including the vibration set by the vibration setting unit and applies the range of vibrations to the vehicle (6).

Abstract: A vibrating device is provided that can appropriately reproduce a vibrating state during travel of a vehicle. A vibrating actuator (12) of a vibrating device (1) vibrates a driving wheel W by driving a second roller (16) in a front-rear direction in a state where a lower side portion of the driving wheel W is held between a first roller (17) and the second roller (16). In a case where the wheel W is in a creep state, the second roller (16) is driven so as to rotate in a reverse direction to the driving wheel W by a rotating actuator (170).

Abstract: In a vehicle vibration device including a first shaft and a second shaft extending in a left-right direction at such a spacing that each of wheels of a vehicle to be inspected is sandwiched therebetween in a front-rear direction and a movement mechanism that moves the first shaft, the first shaft being moved in a front-rear and horizontal direction by the movement mechanism to excite the wheel to vibration in front-rear and up-down directions, a support member that supports the wheel from below is provided between the first shaft and the second shaft. As a result, a vibration force produced by a front-side shaft is effectively transmitted to the wheel over an entire vibration frequency range in a vibration test.

Abstract: A vehicle vibration device including: a variable mechanism which makes orientation of the front shaft variable in order to vibrate wheels back and forth in a vertical direction by pinching in a front/rear direction each wheel of a vehicle by a front shaft and a rear shaft which extend in a left/right direction, and causing the front shaft to move back and forth in a horizontal direction, in which this variable mechanism includes left and right movement mechanisms which are respectively connected to both left and right ends of the front shaft and are capable of moving both the left and right ends back and forth, and causes orientation of the front shaft to vary by making movement amounts by the left and right movement mechanisms to differ, and vibrates the wheels back and forth in a vertical direction, as well as vibrating in a left/right direction.

Abstract: A vehicle vibration method suitable for performing a test simulating a rough road, the vehicle vibration method using a vibration device that causes at least one wheel of a test target vehicle, the method including: an initial height setting step including setting a shaft distance in the front-rear direction between a front shaft and a rear shaft to an initial setting distance and setting the wheel at an initial setting height; a vibration step including performing vibration by at least one selected from a raising operation step including narrowing the shaft distance from the initial setting distance to raise the wheel from the initial setting height, and a lowering operation step including widening the shaft distance from the initial setting distance to lower the wheel from the initial setting height; and a return step including setting back the shaft distance to the initial setting distance.

Abstract: An excitation device exciting a vehicle 12 by applying a vibration to at least one of a plurality of tires 12t of the vehicle includes: a first restricting part 16 arranged in one of a front and rear direction of at least one of the plurality of tires 12t to restrict a movement of the vehicle in the front and rear direction; a second restricting part 20 arranged in another of a front and rear direction of the one of tires 12t to restrict a movement of the vehicle in the front and rear direction; and an actuator 22 configured to be able to drive at least one of the first restricting part and the second restricting part so as to increase or decrease a distance between each other in a front and rear direction of the vehicle.

Abstract: The disclosure provides an excitation device, in which a vibration in a front-rear direction generated by excitation actuators is input to second bars via excitation arms and excitation shafts, and four wheels are vibrated by the vibrations of the second bars, so as to rotate a vehicle on at least one of a yaw axis, a pitch axis, and a roll axis. A controller controls a phrase and an amplitude of the operation of each of four piston rods of four excitation actuators.

Abstract: The disclosure provides a vehicle excitation advice. The vehicle excitation device that excites a vehicle having a plurality of wheels includes a plurality of excitation machine bodies on which the wheels are placed, respectively. The excitation machine body includes a front shaft and a rear shaft on which the wheels are placed at intervals in the in the front-rear direction of the vehicle, and an actuator (hydraulic actuator) that excites vibration to the wheels by moving at least one of the front shaft and the rear shaft in the front-rear direction. The front shaft is inclined such that the inner end portion of the front shaft in the left-right direction of the vehicle is located closer to the front of the vehicle than the outer end portion of the front shaft in the left-right direction of the vehicle.

Abstract: The disclosure provides an excitation device capable of suppressing resonance during excitation and reducing the size in a vertical direction. An excitation device (1) includes front and rear mounting plates (5 and 6) having openings (5g and 6g); a base plate (8) arranged below the mounting plates (5 and 6), slope parts (3) to which the mounting plates (5 and 6) and the base plate (8) are fixed; a first roller (17) and a second roller (16) located below the openings (5g and 6g); a hydraulic actuator (12) having a hydraulic cylinder (12a) that excites the second roller (16) in a front-rear direction of a wheel (W); and a bracket (12c) having a lower end fixed to the base plate (8) and an upper end fixed to the mounting plates (5 and 6), and supporting the hydraulic cylinder (12a).

Abstract: A vehicle inspection apparatus includes: an exciter roller (3) configured to apply vibration to a vehicle (6); a control device 5 configured to control the exciter roller (3); and a vibration setting unit (the control device (5)) configured to set a vibration that is input to a wheel (7) of the vehicle (6) when abnormal noise generated in the vehicle (6) is detected. The control device (5) provides a range of vibrations including the vibration set by the vibration setting unit and applies the range of vibrations to the vehicle (6).

Abstract: A vibrating device is provided that can appropriately reproduce a vibrating state during travel of a vehicle. A vibrating actuator (12) of a vibrating device (1) vibrates a driving wheel W by driving a second roller (16) in a front-rear direction in a state where a lower side portion of the driving wheel W is held between a first roller (17) and the second roller (16). In a case where the wheel W is in a creep state, the second roller (16) is driven so as to rotate in a reverse direction to the driving wheel W by a rotating actuator (170).

Abstract: The disclosure provides an excitation device capable of suppressing resonance during excitation and reducing the size in a vertical direction. An excitation device (1) includes front and rear mounting plates (5 and 6) having openings (5g and 6g); a base plate (8) arranged below the mounting plates (5 and 6), slope parts (3) to which the mounting plates (5 and 6) and the base plate (8) are fixed; a first roller (17) and a second roller (16) located below the openings (5g and 6g); a hydraulic actuator (12) having a hydraulic cylinder (12a) that excites the second roller (16) in a front-rear direction of a wheel (W); and a bracket (12c) having a lower end fixed to the base plate (8) and an upper end fixed to the mounting plates (5 and 6), and supporting the hydraulic cylinder (12a).

Abstract: The disclosure provides an excitation device capable of reproducing an excited state during traveling of a vehicle, reducing the cost, and realizing vehicle maintenance during excitation. An excitation device (1) holds a wheel (W) of a vehicle (V) between a first roller (17) and a second roller (16), and drives the second roller (16) in a front-rear direction with a hydraulic actuator (12) to excite the wheel (W). A ground base (18) is arranged between the first roller (17) and the second roller (16), and an interval between an upper end of the ground base (18) and the upper ends of front and rear mounting plates (5) and (6) which are the highest is set to a value smaller than a minimum ground clearance of the vehicle (V).

Abstract: The disclosure provides a position changing device capable of reducing the size of the entire device in a plane. A position changing device (30) includes four pulley mechanisms (40). In the pulley mechanism (40), a toothed belt (45) is wound around a driving pulley (41) and a driven pulley (43), and is held between the driving pulley (41) and an idler roller (42) by the idler roller (42) and held between the driven pulley (43) and an idler roller (44) by the idler roller (44), and when the driving pulley (41) is driven by a driving mechanism (46), the position of a movable base plate (31) is changed.

Abstract: The automated guided vehicle including a body, left and right tires, a guide sensor provided on the body to detect the guide marker, and a drive unit which drives the left and right tires. The drive unit executes a first control in which the left and right tires are driven so that the automated guided vehicle travels parallel to an extending direction of the guide marker when the automated guided vehicle travels in a direction travelling away from the guide marker, and executes a second control in which the left and right tires are driven so that a reference position on the body of the automated guided vehicle shifts onto the guide marker and travels along the guide marker when the automated guided vehicle travels parallel to the extending direction of the guide marker or travels towards the guide marker.

Abstract: Provided is a swing arm device for an electric two- or three-wheeled vehicle that can be reduced in the number of components for a reduction in weight while being mounted compact in an electric vehicle for which a swing arm of an electric vehicle includes a battery and a charger. The swing arm device for an electric two- or three-wheeled vehicle to be fitted on an electric vehicle includes a swing arm (30) one end of which is coupled to a swing shaft and the other end of which supports a rear wheel (WR), an electric motor (M) placed at the other end side of the swing arm (30) and for driving the rear wheel (WR), and a battery (56) for supplying electric power to the electric motor (M), and a charger (200) for charging the battery (56) is incorporated in the swing arm (30).

Abstract: A battery module mounting structure includes a housing structure housing a battery supplying electric power to the electric motor of a motor-driven two-wheeled vehicle and a PDU controlling the electric motor. The housing case is configured to be mountable to and dismountable from the swing arm with the electric motor and a control substrate housed in the housing case. The swing arm is formed as a cantilever type in which an arm portion disposed on the vehicle-widthwise right or left of a rear wheel supports the rear wheel. The battery shaped in a rectangular parallelepiped is housed in the housing case with a longitudinal direction thereof facing in a vehicle-width direction. The housing case is mounted from a vehicle-widthwise inside on a lateral surface of a swing arm housing at a position vehicle-body-forward of the rear wheel and vehicle-body-rearward of a through-hole, the swing arm housing supporting the arm portion.

Abstract: A saddle riding type, electric vehicle includes a swing arm removably and vertically swingably supported on a vehicle body frame, and an electric motor, a battery for supplying the electric motor with electric power, and a control unit for controlling the electric motor. The electric motor, the battery, and the control unit are disposed on the swing arm. The swing arm integrally provides, forwardly of a rear wheel, a bulkhead for accommodating a battery in isolation from an electric motor and a control unit. The bulkhead has an opening portion that faces terminals disposed on the battery. A battery accommodating portion integrally provides a partition wall extending in a vehicle width direction to form a plurality of accommodating chambers with each containing one of a plurality of batteries. A stand disposed downwardly of the partition wall is supported rotatably on a bottom wall of the battery accommodating portion.