Safety protection apparatus of boarding bridge walking mechanism

Boarding bridge walking mechanism with a safety protection apparatus, the safety protection apparatus comprising:

• an inner retainer mechanism, comprising an inner bracket and a first universal wheel, the inner bracket surrounding the boarding bridge walking mechanism and being hinged with the boarding bridge walking mechanism, and the first universal wheel being disposed at one side of the inner bracket and supporting the inner bracket;
• an outer retainer mechanism, comprising an outer bracket, the outer bracket being disposed on an outer circumference of the inner bracket, and a lower end of the outer bracket being lower than a lower end of the inner bracket;
• a connecting mechanism, comprising a first connecting component, and the first connecting component being connected between the inner bracket and the outer bracket, such that the inner bracket being hinged with the outer bracket;
• and
• an induction and control mechanism, comprising an induction unit;
• wherein when the boarding bridge walking mechanism is tilted, the boarding bridge walking mechanism rotates relative to the inner bracket, and the inner bracket does not follow the boarding bridge walking mechanism to rotate;
• when the outer bracket is squeezed, the outer bracket approaches the inner bracket, so that the induction unit is triggered.