Patent ID: 9316340
Filing Date: 2016-04-19
CPC Classification: F16L

Claim Text:
1. An actively driven spiral pipeline robot, comprising: a driving wheel carrier; a body; a guide wheel carrier; and a power device; wherein the power device is fixedly disposed in the body; wherein the driving wheel carrier is mounted at one end of the body via a bearing and is coinciding with an axle center of the body; wherein the guide wheel carrier is fixedly disposed on the body; a variable diameter mechanism disposed on the driving wheel carrier; a driving shaft disposed on the driving wheel carrier; an axle disposed on the driving wheel carrier; a driving wheel fixedly mounted on the axle; a bearing saddle disposed on the variable diameter mechanism; wherein the axle is mounted in the bearing saddle via a hearing; wherein the driving shah is mounted on the driving wheel carrier via a hearing; wherein the driving, shaft and the axle are connected via a connector; wherein the driving shaft is further connected with an output shaft of the power device via a transmission device; wherein there is an included angle θ between an axis of the axle and an axis of the body, where 0°≦θ<90°; wherein the variable diameter mechanism is a hydraulic cylinder disposed along a direction perpendicular to the axis of the body, the bearing saddle is fixed disposed at an end of a piston rod A of the hydraulic cylinder.