The invention relates to a
workover device in
drill floor type, used in non-manned operation under the
oil well, wherein it is formed by driving
control room 1, thick support post 2,
discharge tube 3, lifter 4, amplitude-variable
hydraulic cylinder 5, support post base 6, well-open hydraulic
blowout preventer 7,
drill floor hydraulic base 8, fixing hydraulic clamp disc 9, back tyre, back driving bridge 10, hydraulic
clamper 11 with flexible sliding channel 11, hydraulic gear box 12, high-pressure
gear pump 13, hydraulic
torque converter 14, front tyre, front driving bridge 15, engine 16, frame and
drill floor 17; the front part of frame 17 is arranged with driving
control room 1, engine 16, hydraulic
torque converter 14, hydraulic gear box 12 and high-pressure
gear pump 13, while the back part has fixing hydraulic clamp disc 19, support post base 6, and hydraulic
clamper 11; the support post base 6 is mounted with thick support post 2,
discharge tube 3 and lifter 4. The invention can automatically set
discharge tube and improve the working efficiency.