Car body lifting device
The invention provides a car body lifting device. The car body lifting device comprises a support, a lifting hook pivoted to the support and an elastic reset part connected between the support and thelifting hook; the elastic reset part comprises a telescopic rod sleeve, a telescopic rod, an extensi...
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Main Author | |
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Format | Patent |
Language | Chinese English |
Published |
31.08.2018
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Subjects | |
Online Access | Get full text |
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Summary: | The invention provides a car body lifting device. The car body lifting device comprises a support, a lifting hook pivoted to the support and an elastic reset part connected between the support and thelifting hook; the elastic reset part comprises a telescopic rod sleeve, a telescopic rod, an extension spring, a plurality of cams and a plurality of torsion springs; the telescopic rod comprises anend portion and a guiding pipe portion; the upper portion of the extension spring is contained in the upper portion of an upper cavity, and the upper end of the extension spring is fixed to a column portion of the telescopic rod sleeve; the lower portion of the extension spring is contained in a pipe cavity of the guiding pipe portion, and the lower end of the extension spring is fixed to the endportion; the cams are pivoted into notches formed in the lower end of the telescopic rod sleeve through pin shafts; and the torsion springs are arranged on the pin shafts in a sleeving mode, one end of each torsion spring abuts |
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Bibliography: | Application Number: CN20181333498 |