JSTY5080KTE aircraft passenger step is mainly composed of electrically driven chassis, fixed and sliding ladders, hydraulic system, electrical system, etc.
Chassis body by special steel welded together, center of gravity, good stability. The chassis is covered with a cover plate, which can be removed to facilitate maintenance of the parts. The chassis is equipped with four hydraulic stabilizers to ensure the stability of the passenger step when boarding. The chassis consists of transmission, steering, braking and cab.
The drive system USES the motor controller to control the variable frequency speed-regulating traction motor as the prime power, and transfers power through the reduction box, drive shaft, main reduction drive axle, rim and tire. Motor controller and traction motor using the industry's most influential top products; The gearbox is manufactured by Siemens. Suspension for front and rear longitudinal plate spring, and equipped with hydraulic cylinder type shock absorber.
The steering system controls the front wheel steering by driving the steering cylinder with the electric hydraulic pump through the full hydraulic steering device (Eaton or other famous brand products).
Brake system is electric vacuum pump to provide vacuum assisted braking, front and rear drum type, double pipeline hydraulic braking system.
The large area arc windshield is adopted in the cab, which can broaden the vision and facilitate the observation of docking with the aircraft. The overall shape is beautiful and generous. Equipped with heating and cooling air conditioners for electric vehicles (electric scroll compressor, PTC heating).
2 Fixed Ladder And Sliding Ladder
The rear end of the fixed ladder is connected to the chassis through the rotating shaft, and the front end is connected to the chassis through the lifting mechanism. The Angle between the ladder body and the level can be adjusted by stretching the lifting mechanism. The sliding ladder is composed of a fixed platform, a front telescopic platform, a side board and a ladder. It is connected with the fixed ladder through pulley, and the liquid cylinder telescopic drives the sliding ladder to slide along the guide rail to realize the change in the height of the platform.
In order to increase the strength of the structure and consider the particularity of the structure, channel steel is used as the main frame.
The footplate and platform are made of special anti-slip aluminum alloy profiles.
The side plate adopts the frame structure of new aluminum and plastic plate, which is novel and beautiful, greatly reducing the weight of the structure under the condition of guaranteeing the strength and stiffness of the structure. Stainless steel handrails are installed on the upper side plate.
The front end of the platform and the front end of the movable side of the platform are installed with buffer rubber cylinder.
High brightness, energy saving, reliable LED soft light bar to provide lighting.
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