Anti-disengagement structure of crane line-touching alarming device for transmission line

The invention relates to an anti-disengagement structure of a crane line-touching alarming device for a transmission line, in particular to a structure used for preventing looseness or disengagement of the crane line-touching alarming device after being installed on a crane arm, and belongs to the technical field of power supply equipment. The anti-disengagement structure of the crane line-touching alarming device for the transmission line comprises a bottom shell, a line-touching alarming circuit board is provided with two touch control buttons, and each touch control button makes contact with the upper end of an upper guide post in a pressed mode; the upper end of the bottom shell is connected with a housing, the line-touching alarming circuit board is wrapped with the housing, and the alarming circuit board is fixed with the housing through the pressing force of a spring in a pressed mode. According to the anti-disengagement structure of the crane line-touching alarming device for the transmission line, the structure is simple, compact and reasonable, operation is easy and convenient, and work is reliable; whether looseness or disengagement of the crane line-touching alarming device for the transmission line occurs or not can be effectively detected, and the occurrence of safety accidents can be effectively avoided; the cost is lower, and the anti-disengagement structure of the crane line-touching alarming device for the transmission line can be applied and popularized on a large range.