Hook crane brake glide quantity and lifting speed detection device

The utility model discloses a device for detecting the brake glide quantity and the lifting speed of a hook crane. The system comprises a signal acquisition module, a link mechanism, a data transmission line, a main control module and a remote controller, wherein the signal acquisition module consists of a roller, an encoder, a bracket, a spring, an upper sleeve inner wall, a lower sleeve inner wall, an upper sleeve fixing seat and a lower sleeve fixing seat, the connecting rod mechanism consists of an upper connecting rod, a lower connecting rod, a middle fixing rod, an upper sliding block and a lower sliding block, one side is connected with the signal acquisition module, and the other side is connected with a crane hook; one side of the data transmission line is connected with a signalacquisition module, and the other side is connected with a main control module; the main control module is connected with a data transmission line; by detecting the moving distance of the steel wire rope of the crane, the bra