The utility model belongs to the technical field of equipment state monitoring, a shield constructs that mechanical signal gathers appearance for TBM is proposed. A shield that provides constructs thededicated mechanical signal of TBM collection appearance and has signal pickup assembly and signal collection storage device, signal pickup assembly is integrated two -layer structure as an organic whole, signal pickup assembly's lower floor is temperature sensor, speedtransmitter, displacement sensor from left to right in proper order, adds speedtransmitter and sound wave crackle sensor, signalpickup assembly's upper strata is signal collector, signal converter and signal transmitter from left to right in proper order, signal collection storage device save the appearance by integrated signal receiver as an organic whole and signal collection and constitute, signal receiver correspond signal transmitter set up. The utility model discloses a to equipment carry on system operating state real -time supervision, for safer, reliably the construction provide the maintenance logistics to engineering management's informatization level has been improved.