Single Rope
Touch Open Bulk Grab is an efficient tool for loading and unloading
sands, coal, mineral powder and bulk chemical fertilizer. The
mechanical structure for opening & closing is simple and
original. It is easy to use and especially works for the crane
which has one hoisting drum.
Single rope grab Work
Principles:
Close: When the grab need to
close, just put the opened grab on the materials, the put down the
crane hook till the grab slide seat is put on the grab gallows,
then lift the crane hook, the gallows rise with the slid seat , the
grab close.
Open: When the grab need to
open, put the filled grab on the ground or the material, then lift
the crane hook, the slide seat rise with the hook, in this time,
the gallows have slipped out from the slide seat automatically, the
grab open and unload the cargo.
