Portable fault diagnosis apparatus used for low-speed heavy-load machinery

The invention discloses a portable fault diagnosis apparatus used for low-speed heavy-load machinery. According to the technical scheme, an acceleration sensor (11) is connected with a data collecting unit (3); a battery capacity detecting module (1) is connected with the data collecting unit (3); the data collecting unit (3) is connected with a digital signal processor (5); the digital signal processor (5) is respectively connected with a touch screen (4), a wireless module (6), a data storage unit (7), a network transmission unit (9) and an electronic tag (10); the network transmission unit (9) is connected with a PC (Personal Computer); the digital signal processor (5) is equipped with fault diagnosis system software. The portable fault diagnosis apparatus disclosed by the invention has the characteristics of being convenient to carry, strong in analysis function, precise in test result, integrated with offline and online monitoring, rich in man-machine interface, strong in operability, multiple in storage ways, great in storage capacity, capable of continuously working for a long time, capable of automatically identifying test points and provided with various data transmission modes, and is suitable for a site with various equipment and frequently needed to be diagnosed.