Semitrailer floating shaft suspension device

The invention relates to a semitrailer floating shaft suspension device, wherein a pair of vertical gasbags (4) are symmetrically arranged between a frame cross (3) and a front axle (12), a front support (1) is provided with a vertical adjustment slot (T) and a location pinhole (D) is arranged besid...

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Bibliographic Details
Main Authors WANG YUELING, YAN CHENGMIN, NING DONGXING, XIAO JISHENG, SUN ZHIBEN, LIU YING, HONG YAN
Format Patent
LanguageChinese
English
Published 19.01.2011
Subjects
PERFORMING OPERATIONS
TRANSPORTING
VEHICLE SUSPENSION ARRANGEMENTS
VEHICLES IN GENERAL
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Summary:The invention relates to a semitrailer floating shaft suspension device, wherein a pair of vertical gasbags (4) are symmetrically arranged between a frame cross (3) and a front axle (12), a front support (1) is provided with a vertical adjustment slot (T) and a location pinhole (D) is arranged beside the vertical adjustment slot (T); the tops of the gasbags are fixedly connected with the frame cross (3), the bottom is moveably connected with the front axle (12). In unloaded state, the gasbags (4) is filled with gas to lift a frame (2), the front axle (12) is pressed to deflect forward, a backshaft (10) and back wheels (9) are forced to rise and leave the ground, a front-end plate spring pin (15) of a front plate spring (13) falls to the bottom in the adjustment slot (T) of the front support (1). A location pin (14) is inserted in the location pinhole (D) to press the front end of the front plate spring (13), a balancing pin (16) is inserted in a balancing pinhole (P) on a middle support (6) to support a balan
Bibliography:Application Number: CN2009118409