救援小车（逃生管道）

Rescue trolley for escape pipeline

The invention discloses a rescue trolley for an escape pipeline, and relates to the related technical field of escape and rescue, the rescue trolley comprises a trolley chassis, a wheel supporting arm and a telescopic buffering mechanism used for buffering between the trolley chassis and the wheel supporting arm, and the telescopic buffering mechanism comprises an inclined stretching force arm and a transverse stretching force arm; the inclined stretching force arms between the wheel supporting arms coincident in the central axis direction are arranged on the bottom face of the trolley chassis in a crossed mode, the inclined stretching force arms arranged in the crossed mode are limited through connecting shafts, and the wheel supporting arms coincident in the central axis direction are buffered through transverse stretching force arms. The outer walls of the wheel supporting arms and the outer walls of the transverse stretching force arms are sleeved with elastic pieces, wheels are rotationally ...

Escape pipeline rescue system

The invention discloses an escape pipeline rescue system, and relates to the related technical field of pipeline rescue, the escape pipeline rescue system comprises an information acquisition assembly arranged at any position in a pipeline and used for detecting environment information, and an information return assembly arranged at any other position in the pipeline, and the information acquisition assembly is in signal connection with the information return assembly; the information return assembly is in signal connection with a rescue warning device, the information collection assembly is in signal connection with the information return assembly through an information relay piece, the rescue warning device comprises an LED lamp, the LED lamp is not less than two light colors, a pipeline rescue route is indicated by one light color of the LED lamp, and a non-pipeline rescue route is indicated by the other light color of the LED lamp. According to the invention, through cooperative use ...

Continuous rigid frame bridge pier top detail structure capable of achieving simple support first and rigid frame second

The invention discloses a continuous rigid frame bridge pier top detail structure capable of achieving simple support first and rigid frame second, and relates to the technical field of continuous rigid frame bridges, the continuous rigid frame bridge pier top detail structure comprises a middle pier, concrete bases are arranged at the four corners of the upper end face of the middle pier, and a plurality of pier top extending steel bars are arranged on the upper end face of the middle pier along the edge and used for subsequent structure connection; main beams on the two sides are further included; the two main beams correspond to each other, a space is reserved between the two main beams, the space reserved between the two main beams and the middle pier forms an inverted T shape, and a cast-in-place section is formed; a plurality of longitudinal extending steel bars are arranged on the opposite sides of the two main beams; and a plurality of vertical extending steel bars are arranged ...