| 摘要 |
A scissor lift style elevating work platform mounted on an air powered self-propelled wheeled chassis that when disassembled may be passed through a small diameter access hole and reassembled for immediate use. The machine is air-controlled producing no toxic gases and the machine has no electrical equipment or circuits. The wheel assemblies are bolted to the base and cannot be rotated. Steering is accomplished by rotating opposite pairs of wheels in counter directions or by braking one pair of wheels and powering the other pair so that the machine is forced to skid the tires in order to turn. This feature enhances the mobility of the machine while reducing the complexity of assembly. The machine is designed to reduce the accumulation of blast abrasive on the elevated platform by use of perforated decking that prevents the build up of abrasive on the decking. The machine design reduces accumulation of blast abrasive and paint on the lower scissor linkage slides by use of protective shields. The scissors linkages utilizes a system of hinge pin mounted hooks that provide efficient routing of supply lines to the platform.
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