Energy-saving and gas-efficient pneumatic barrier gate device

An energy-saving and gas-efficient pneumatic barrier gate device, comprising:

• a machine, having a gas supply portion, an actuating portion and an electronic control portion, wherein the gas supply portion is movably connected to an air compressor;
• a shaft assembly, installed on the actuating portion of the machine;
• two switch components, installed on the actuating portion and adjacent to both sides of the shaft assembly, respectively, wherein the electronic control portion is electrically connected to the two switch components;
• a barrier component, installed on one end of the shaft assembly, wherein the shaft assembly controls execution of swinging motion of the barrier component, and the two switch components control cessation of the swinging motion of the barrier component;
• and
• a driving assembly, installed on the other end of the shaft assembly, wherein the gas supply portion is capable of supplying gas into the driving assembly for operation of the driving assembly, and the operation of the driving assembly controls pivoting motion of the shaft assembly and indirectly induces the swinging motion of the barrier component, and wherein the driving assembly includes a linkage rod having a middle segment pivoted to the shaft assembly, and two bellow pumps each having one end pivotally connected to a respective one of both ends of the linkage rod and the other end installed on a respective one of two supports on an outer surface of the gas supply portion;
• wherein:
• the shaft assembly includes two shaft seats, a spindle and a switching seat:
• the two shaft seats are mounted on the actuating component and spaced from each other;
• the switching seat is positioned between the two shaft seats;
• the spindle passes through the two shaft seats and the switching seat, and has one end connected to the linkage rod and the other end connected to the barrier component;
• the switching seat is provided with two touch levelers protruding therefrom, so that rotation of the switching seat controls the two touch levelers to alternately press the two switch components;
• and
• expansion and contraction motions of the two bellow pumps indirectly control the swinging motion of the barrier component through an association between the linkage rod and the spindle.