1. Material: the material of
the big and small arms is Shaogang q**5b, the iron pipe on
the arm is national standard cold drawn seamless pipe, the
pin shaft is *0Cr, the high-pressure hose is a joint-venture
pipe with 4 layers of steel rings, the grease pipe is a
single-layer hose, and the bushing driven into the base of
the boom is graphite alloy copper sleeve.
2. Configuration: one set of
big and small arms, six-pin shafts, four high-pressure hoses,
three grease pipes, one set of connecting rod assembly, one
bucket cylinder and one bucket.
3. Product advantages: plasma
cutting, machine milling, robot welding, boring after
welding, assembly line production operation, and better
quality assurance. It can be customized according to the
working conditions to meet the construction needs of
different users. The opening angle of the large and small
arms can reach **3 degrees, and the excavation radius and
height are larger.
4. Working conditions
applicable to the lengthening arm: Municipal Engineering,
subway construction, river dredging, reservoir cleaning, and
other water conservancy projects.