Cab of passenger boarding bridge and passenger boarding bridge having the same and docking method thereof

A cab of a passenger boarding bridge mounted to a front end of a cabin of the passenger boarding bridge and comprising:

• an active floor body having a back end connected to the front end of the cabin and a front end provided with a notch that is adapted to accommodate a downwards or upwards opened aircraft door;
• a flap disposed corresponding to the notch and movably connected to the active floor body, the flap being turnable relative to the active floor body between a first position in which the flap closes the notch and a second position in which the flap exposes the notch to allow an aircraft door to be accommodated in the exposed notch;
• and
• an actuating device for driving the flap to turn, the actuating device comprising:
• a mounting bracket fixedly connected to a bottom of the active floor body;
• and
• an actuator having a first end connected to the mounting bracket and a second end connected to a bottom of the flap,
• wherein the cab further comprises a semi-automatic latching mechanism including:
• a locking pin mounting structure disposed at the bottom of the flap, a locking pin being mounted on the locking pin mounting structure, and a first spring being sleeved on the locking pin;
• and
• a first locking hole mounting structure disposed in a first mounting position at the bottom of the active floor body corresponding to a position of the locking pin mounting structure when the flap is in the first position, the first locking hole mounting structure having a first locking hole thereon for receiving the locking pin,
• wherein the locking pin is pulled out manually and is retracted automatically by the spring, and wherein the flap, when it is in the first position, is locked with the active floor body by the locking pin being received within the first locking hole.