关键词：振动机械、振动桩锤、惯性振动、减振弹簧
ABSTRACT
Vibratory pile hammer is generally flat twin shaft vibrator is used to produce vibration.Mechanical vibration, in order to reduce the friction of pile and soil, we is accomplished by vibration pile hammer of mechanical vibration, and in order to achieve the purpose of pile driving depends on its weight and plus. Vibratory pile hammer with hydraulic and mechanical type, hydraulic vibration hammer is used for less. Vibratory pile hammer is adopt mechanical directional vibrator.It is made of two with the same eccentric block and relative rotation axis, two axis on the eccentric block produced by centrifugal force, in the horizontal component of offset each other, vertical component of the stack. Vibratory pile hammer composition including the guide bar, compression spring, motor, vibration beams, vibration box, pulley, etc. Its advantages include pile of good quality, durable, strong penetration, the structure is compact, low noise, and high efficiency, no pollution, etc.
Keywords: Vibrates the machinery，Vibratory pile hammer
the inertial oscillation，the spring reducing inspires
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