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Heavy load moving mechanism for platform borne loads - has array of flexible envelopes which are inflated and deflated cyclically to inch load forward
Heavy load moving mechanism for platform borne loads - has array of flexible envelopes which are inflated and deflated cyclically to inch load forward
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机译：用于平台承载的重物移动机构-具有一系列灵活的封套，可周期性地充气和放气以向前移动几英寸的负载
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摘要
The load is mounted onto a movable platform and a number of inflatable envelopes are fed by the rotating feeder to the space under the end of the platform. The envelopes are individually supplied with pressurised fluid, compressed air or hydraulic liquid. The envelopes are inflated according to a cyclic operation such that one of the envelopes only is deflated at one time. The envelopes are held between the end plates and the load creeps forward as the inflating envelope displaces the deflated one. The coefficient of friction between the envelopes and the underside of the platform is less than that between the envelopes and the ground.
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