| 摘要 |
A very large rear dumping vehicle of the type used in mining operations, comprising: a main frame, front wheels and rear wheels carried by the main frame, a rear dumping load carrying body pivotally mounted to the main frame at transversely spaced rear supports for pivotal movement about a pivot axis between a tipping position and a lowered position, means for tipping the body about the pivot axis, said body comprising a floor, side walls and a forward end wall defining a load carrying region, whereby said rear dumping load carrying body is supported in said lowered position on said main frame only at the transversely spaced rear pivot locations and at transversely spaced forward support points of the body disposed in the proximity of said end wall; characterised in that said means for tipping the body comprise hydraulic cylinders connected to mounting points of the body disposed in the proximity of said end wall and to mounting points on the main frame which are close to above a line between the centres of the front wheels of the vehicle and in that the floor of the load carrying body comprises longitudinally extending strengthening beams and a single transverse reinforcing beam, said single transverse reinforcing beam being connected to said spaced rear pivot supports.
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