Hoisting device capable of absorbing heat and expanding

The utility model provides a hoisting device capable of absorbing heat and expanding and belongs to the technical field of turbine mechanical manufacture. The hoisting device capable of absorbing heat and expanding comprises a hoisting support with a first through hole formed in the center. Installation boards are fixed to the two ends of the hoisting support through first bolts respectively. A spring seat with a second through hole is arranged at the top of the hoisting support. A pressing board with a third through hole is arranged above the spring seat. A spring is arranged between the spring seat and the pressing board. The upper end of a pull rod sequentially penetrates through the first through hole of the hoisting support, the second through hole of the spring seat, the spring and the third through hole of the pressing board and then is connected with a pressing nut. The lower end of the pull rod is arranged in a first groove in the upper end of a connecting rod and the pull rod and the connecting rod are connected through a rotary shaft and a cotter pin. A pipe hoop is arranged below the connecting rod. The upper end of the pipe hoop is arranged in a second groove in the lower end of the connecting rod. The pipe hoop is connected with the connecting rod through a second bolt. The rotary shaft is arranged parallel to the axis direction of a pipeline or an auxiliary element. The second bolt is arranged perpendicular to the axis direction of the pipeline or the auxiliary element.