Page 31 - ZHZG

振华重工
2021 年 第 1 期

Whether some optimization can be done based on the
advantages of eight-rope trolley is the problem considered
by ZPMC engineers. Under the leadership of chief designer
Zhang Minghai, ZPMC launched its new eight-rope trolley
in 2017 and applied it to the Italian RTG project. The whole
winding system of the new eight-rope trolley also has
eight wire ropes, but different from the traditional eight- After continuous exploration, ZPMC design
rope trolley. It has two drums, with four wire ropes wound engineers proposed a novelty scheme to split the
on each drum, and each wire rope comes out of the drum inching motion, that is, one part of the action is
and returns to the fixed point of the trolley after passing realized by the inching push rod on the headblock,
through the headblock pulley. The wire rope can still form and the other part is realized by the inching push
a triangle between the spreader headblock and the trolley rod of the trolley. Although it has the same winding
frame to ensure excellent anti-shaking performance. In system as the previous new eight-rope trolley, the
more than two years of practical operation, this form of inching principle of the new trolley is completely
winding has been proved successful and can fully meet different. In order to distinguish the new trolley
the requirements of manual and automatic operation of the from the old, ZPMC named it "new eight-rope
terminal. MAX trolley". It can be said that the new trolley is
ZPMC engineers, who make perfection more perfect, the "secondary upgrade" of the traditional eight-
believe that there is still room for improvement of the rope trolley.
new eight-rope trolley. In use, the operator found that the As the latest product developed by ZPMC
spreader and headblock of the trolley were connected in response to market demand, the trolley
by chain, and the inching push rod was also connected features light weight, simple control and friendly
between them, which resulted in the extension of the time maintenance. It has been widely recognized by
for replacing the spreader and affected the user experience users at home and abroad once it is launched to
to a certain extent. If the spreader and the headblock are the market. This latest product will be used in the
connected by conventional locking pins based on the new newly started projects of users such as Haikou
eight-rope winding system, the inching function will be more Terminal at Hainan, Shanghai Guandong Terminal,
perfect. Ningbo Terminal of Zhejiang and terminal in UAE.
Therefore, it has a bright promotion prospect
worth looking forward to. 振

www.zpmc.com 31