Equipment rotation speed and vibration data acquisition methods, devices and acquisition system

The invention discloses an equipment rotation speed acquisition method, an equipment vibration data acquisition method, an equipment rotation speed acquisition device, an equipment vibration data acquisition device and an acquisition system. The equipment rotation speed acquisition device includes a rotation speed sensor and a control unit, wherein the rotation speed sensor is used for acquiring the rotation speed of equipment, and the control unit comprises a timer which is suitable for providing timing for rotation speed data acquisition, and a rotation speed matching controller which is suitable for determining vibration data acquisition strategies of the equipment in a first rotation speed matching period according to a rotation speed level where rotation speed is located, and transmitting an instruction containing the vibration data acquisition strategies to at least one equipment vibration data acquisition device.