15-09-2010 дата публикации
Номер: CN0101830156A
Принадлежит:
The invention discloses an active type coil spring suspension which comprises a spring pre-tightening force regulating device, a suspension height regulating device and a shock absorber (15), wherein the spring pre-tightening force regulating device comprises an upper spring seat (8), a coil spring (12), a lower spring seat (13), a pull rod (11), a pre-tightening driven gear (9) and a pre-tightening power device; the pre-tightening driven gear (9) is rotatably arranged on the upper spring seat (8) through upper and lower bearings (10); the pull rod (11) is connected with the pre-tightening driven gear (9) through thread fit and passes through the upper spring seat (8), the coil spring (12) and the lower spring seat (13); the lower end of the pull rod (11) is provided with a limit clamping piece (14); and the pre-tightening power device is matched with the pre-tightening driven gear (9). After adopting the structure, the coil spring suspension has the advantages of simple structure, light ...
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