Telescoping pedal for railway carriage
A technology of railway passenger cars and telescopic feet, which is applied in the direction of railway car body parts, transportation and packaging, etc., can solve the problems of no leaning, affecting passengers' passage, etc., and achieve the effect of flexible and convenient use, good market prospects, and simple structure
Active Publication Date: 2012-10-31
CRRC NANJING PUZHEN CO LTD
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Problems solved by technology
When the side door is set close to the middle or has a large distance from the outer end wall, the existing movable flap does not lean when it is turned up, which affects the passage of passengers
Method used
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Embodiment 1
[0013] The railway passenger car telescopic pedal of the present embodiment, as figure 1 and 2 As shown, the composition includes a pedal steel frame 1, a fixed pedal 2 fixed to the pedal steel frame 1, a movable pedal assembly rotatably connected to the front end of the fixed pedal 2, a connecting rod mechanism, and a driving mechanism. The driving mechanism is driven by the connecting rod mechanism. The movable pedal assembly, the movable pedal assembly includes a first movable pedal 3 and a second movable pedal 4, the first movable pedal 3, the second movable pedal 4, and the fixed pedal 2 are sequentially connected in turn, and the first movable pedal 3 is formed by a tread surface It is composed of a pedal profile 5 fixed on the bottom of the tread. The lower part of the pedal profile 5 is provided with a pedal support rubber pad 6. The linkage mechanism includes a first connecting rod 7 and a second connecting rod 8 connected in rotation. The upper end of a connecting r...
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The invention relates to a telescoping pedal for a railway carriage, which consists of a pedal steel skeleton, a fixed treadle fixed with the pedal steel skeleton, a movable pedal component rotatably connected with the front end of the fixed treadle, a link mechanism and a driving mechanism, wherein the driving mechanism drives the movable pedal component via the link mechanism, the movable pedalcomponent comprises a first movable treadle and a second movable treadle, the first movable treadle, the second movable treadle and the fixed treadle are in rotary connection in sequence, the first movable treadle consists of a surface and a treadle section fixed at the bottom of the surface, the link mechanism comprises a first link rod and a second link rod which are in rotary connection, the upper end of the first link rod is in rotary connection with a rotating shaft at the rear side of the second movable treadle, the lower end of the second link rod is rotatably fixed at the lower part of the pedal steel skeleton, the driving mechanism comprises a movable air cylinder and a connecting member which is rotatably connected with the front end of a piston rod of the air cylinder, and the connecting member is fixed with the second link. The telescoping pedal for railway carriage is skillful and unique in concept, simple in structure and flexible and convenient in use.
Description
technical field [0001] The invention relates to a telescopic pedal for a railway passenger car. Background technique [0002] The side door of the existing railway passenger car is located at both ends of the passenger car, and the upper part of the side door pedal is equipped with a movable flap. When the platform is high, the movable flap falls down. passed requirements. When the side door is set close to the middle or has a large distance from the outer end wall, the existing movable flap does not lean against when it is turned up, which affects the passage of passengers. Contents of the invention [0003] The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide a telescopic pedal for a railway passenger car. [0004] In order to solve the above technical problems, the railway passenger car telescopic pedal provided by the present invention is composed of a pedal steel frame, a fixed pedal fixed to the pe...
Claims
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IPC IPC(8): B61D23/02
Inventor 贾贵敢刘若明王卫
Owner CRRC NANJING PUZHEN CO LTD