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JP-2026075801-A - Mobile cargo handling equipment

JP2026075801AJP 2026075801 AJP2026075801 AJP 2026075801AJP-2026075801-A

Abstract

[Problem] To provide a mobile cargo handling device that can suppress the decrease in charging efficiency. [Solution] In the cargo handling mobile vehicle 10, the attitude control unit swings the vehicle body 11 to tilt it backward, and in accordance with this tilt, the power receiving unit 77 is tilted in the front-rear direction X relative to the vehicle body 11. [Selection Diagram] Figure 7

Inventors

  • 河内 浩康
  • 栗栖 誠二
  • 宮田 康広
  • 浅井 満季
  • 遠山 大輔

Assignees

  • 株式会社豊田自動織機

Dates

Publication Date
20260511
Application Date
20241023

Claims (6)

  1. An inverted wheel type cargo handling mobile vehicle used for handling cargo at a loading/unloading site, A pair of left and right drive wheels, A vehicle body comprising a drive unit for driving the pair of left and right drive wheels, and a vehicle body that pivots in the front-rear direction around an axis coaxial with the axles of the pair of left and right drive wheels as the pivot point, A cargo handling device provided on the vehicle body and equipped with a support member for supporting the object to be handled, A posture control unit controls the drive of the drive unit and controls the posture of the vehicle body by causing the vehicle body to swing in the front-rear direction with the axis as the pivot point, The vehicle body is provided with a power receiving unit that receives power supplied from a power supply unit installed at the loading/unloading area in a non-contact manner, A mobile cargo handling vehicle characterized in that, in accordance with the posture control unit that causes the vehicle body to swing and tilt backward, the power receiving unit is tilted in the front-rear direction relative to the vehicle body.
  2. The loading/unloading mobile body according to claim 1, wherein the power supply unit is installed at the loading/unloading location so as to extend vertically, and the power receiving unit is provided with a pivot shaft that rotates integrally with the power receiving unit, the pivot shaft extending in the same direction as the axis and rotatably supported on the vehicle body.
  3. The movable cargo handling body according to claim 2, wherein the pivot shaft is provided at the upper part of the power receiving section, and a weight is provided at the lower part of the power receiving section.
  4. The cargo handling mobile body according to claim 1, wherein the mobile body for cargo handling is equipped with a motor for a power receiving unit on the vehicle body, and the motor shaft of the motor for the power receiving unit extends in the same direction as the axis and is connected to the power receiving unit.
  5. The motor shaft is provided at the lower part of the power receiving section, as described in claim 4.
  6. The power receiving unit is provided on the vehicle body so as to be movable in the front-rear direction of the vehicle body, as described in any one of claims 1 to 5.

Description

This invention relates to a mobile vehicle for cargo handling. As an example of a material handling mobile vehicle that enables charging via contactless power supply, for example, the automated guided vehicle (AGV) described in Patent Document 1 can be cited. The AGV comprises a vehicle body and a power receiving device having a power receiving unit and a power storage unit, which are provided on the vehicle body. The power receiving unit receives power from the power supply device in cooperation with the power supply device. The power storage unit stores the power supplied from the power receiving unit. The power supply device is installed at the working position of the AGV within the factory. When the AGV stops at the working position, the power receiving device receives power from the power supply device contactlessly and charges the power storage unit. Japanese Patent Publication No. 2021-87328 Figure 1 shows the power supply unit of the loading platform and the power receiving unit of the loading/unloading mobile body.Figure 2 shows a movable cargo handling device according to an embodiment.Figure 3 is a perspective view showing a cargo handling mobile body according to an embodiment.Figure 4 is a block diagram of the control device.Figure 5 is a schematic diagram showing the power supply device and the power receiving device.Figure 6 is a side view showing a tilted cargo handling vehicle.Figure 7 is a side view showing the contactless power supply state.Figure 8 shows an example of a modified power receiving unit.Figure 9 shows a power receiving section in another modified example.Figure 10 is a perspective view showing the power receiving section of another modified example.Figure 11 is a side view showing the contactless power supply state. The following describes one embodiment of a mobile cargo handling device. <Power supply device> As shown in Figure 1, the loading platform 100, which serves as a loading and unloading area, incorporates a power supply device 60 that constitutes a resonant non-contact power supply system. The loading platform 100 is a platform on which the load W, which is transported by the loading and unloading mobile body 10, is placed. On the mounting surface 100a of the loading platform 100, although only one is shown in Figure 1, a pallet 101 is placed via a pair of pallet mounting bases 102. Below the pallet 101, a pair of forks 45 can be inserted and removed between the pair of pallet mounting bases 102. The load Wa is placed on the pallet 101. The load W consists of the pallet 101 and the load Wa placed on the pallet 101. Figure 5 schematically shows a resonant non-contact power supply system. The power supply device 60 comprises a high-frequency power supply 61, a primary coil 62 composed of a primary resonant coil 62a and a primary coil 62b, a power supply device housing 64 (for example, a rectangular box-shaped housing) containing the primary coil 62, and a power supply side controller 63. The high-frequency power supply 61 is controlled based on control signals from the power supply side controller 63. When the power supply side controller 63 receives a standby command from a higher-level control device (not shown) that controls the operation of the cargo handling mobile body 10, it initiates power supply from the power supply device 60 upon receiving the standby command. The high-frequency power supply 61 outputs AC power with a frequency equal to the preset resonant frequency of the resonant system, for example, high-frequency power of several MHz. The primary coil 62b is connected to the high-frequency power supply 61. The primary coil 62b and the primary resonant coil 62a are located coaxially (on the central axis C1). A capacitor C is connected in parallel to the primary resonant coil 62a. The primary coil 62b is coupled to the primary resonant coil 62a by electromagnetic induction, and the AC power supplied from the high-frequency power supply 61 to the primary coil 62b is also supplied to the primary resonant coil 62a by electromagnetic induction. The primary resonant coil 62a, primary coil 62b, and capacitor C are housed in the power supply unit housing 64. The power supply unit 65 is formed from the primary resonant coil 62a, primary coil 62b, capacitor C, and the power supply unit housing 64. The high-frequency power supply 61 and the power supply side controller 63 are installed inside the loading platform 100, outside the power supply unit housing 64. As shown in Figure 1, the power supply device housing 64 has a power supply surface 64a that faces the cargo handling mobile body 10 approaching the cargo handling platform 100. The power supplied from the power supply unit 65 is mainly supplied from the power supply surface 64a. The power supply surface 64a is perpendicular to the direction in which power is supplied from the power supply unit 65. A virtual line extending vertically Z along the power supply surface 64a of the power supply device housing 64 i