(1)Inordertopickupgoodsquicklyandconveniently, thedoorframeneedstotiltforward;
TxojmuagTshuajtojsiab, inordertopreventthegoodsfromfalling, the Sab nraum zoov
totiltbacktoensurethestabilityofthegoods.Theforwardandbackwardtiltingoftheportal
frameisaccomplishedbytiltingtheoilcylinder.
(2) Theinclinedcylinderiscomposedofpiston, lub tog raj kheej, pistonrod, hloov khoom, qis dua,
nias taug thiab lwm yam.
(3) Muaj nyob ntawm no
andoutletholes.Thecylinderisdividedintoafrontcavityandabackcavitybythepiston.
Thebackcavityisfilledwithhigh-pressureoilwhentiltingqhov tseeb, thiabthiabcavityis
sauwithhigh-pressureoilwhentilting rov qab los.
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