Machine element or mechanism – Mechanical movements – Rotary to reciprocating and rotary
Patent
1982-11-19
1985-11-19
Herrmann, Allan D.
Machine element or mechanism
Mechanical movements
Rotary to reciprocating and rotary
74 61, 74 87, 173 49, 173147, 175 55, 366123, 366128, B06B 116, B23Q 5027
Patent
active
045534438
ABSTRACT:
Vibrations having a frequency exceeding 150 Hertz are established in a rigid body by means of a vibrator system that in one embodiment includes a pair of rotating wheels, only one of which has a weighted eccentric secured to its axle. The wheels are coupled together by an endless belt made of a material that dampens the vibrations propagating between the wheels. The unweighted wheel is driven by a flexible shaft connected to its axle. In another embodiment three wheels are used in which two are weighted at the axles. The vibrator system may be used to sink pipes and the like into the ground, or shake a sorting table employed, for example, in the mining industry or a silo hopper for discharging grain. Also disclosed is a method for sinking a pipe or the like into the ground and retrieving it after lowering it a predetermined distance. In this method, wires are attached at each end of the pipe for facilitating its downward motion and its retrieval. In another of the embodiments disclosed the vibrator system can rotate as well as simultaneously vibrate pipe into the ground.
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Jung Peter A.
Rossfelder Andre M.
Geomarex
Herrmann Allan D.
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