| 摘要 |
A tire footprint measurement apparatus is provided to increase reliability of measurement data on tire footprint and pressure by applying the same vertical load on both sides of a tire. A tire footprint measurement apparatus includes a base(10), supporting members(11), a supporting shaft(12), a load plate(13), a loading unit(14), an angle control unit(20), and a sensor sheet(15). The supporting members stand on both sides of the base. The supporting shaft is installed between the supporting members and supports a tire to measure with a gap from the base. The load plate applies load on the tire. The loading unit consists of a pair of cylinder members(14a,14b) and controls loads on both sides of the tire by lifting the load plate. The cylinder members are symmetrically installed on a lower part of the load plate. The angle control unit applies a camber angle to the tire. The sensor sheet is arranged on an upper side of the load plate and measures footprint and pressure simultaneously.
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