Cable shaft drainage device and cable shaft

The utility model relates to a cable shaft drainage device and cable shaft for carry out the drainage to the cable shaft body, cable shaft drainage device include second drainage long pipeline and with the first drainage step pipeline of cable shaft body bottom intercommunication, the bottom intercommunication of first drainage step pipeline has second drainage long pipeline, and the pipe diameterof first drainage step pipeline is greater than second drainage long pipeline's pipe diameter, and second drainage long pipeline is equipped with wash port a plurality of and the earth intercommunication. The utility model discloses a be equipped with cable shaft drainage device in the bottom of cable shaft body and directly discharge ponding to greatly, strengthen its self -draining function, replaced the municipal drainage channel of water pump switch -on that passes through among the prior art and taken out into outside tank, labour saving and time saving with the well water -logging, through the pipe diameter wit