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Pedestal jack, also known as vertical jack or pushing jack, has the characteristics of small size, light weight, good sealing performance and easy operation. With a spherical subplate set on the piston end to adjust the direction, the jack can be used horizontally or vertically.
It is mainly used for top pushing and jacking construction of various pre-tensioned pedestal-tensioned prestressing tendons and box culverts, and can also be used for replacement of rubber bearings and synchronous jacking construction of large members.
Structural diagram of pedestal jack