QTZ63（5010）自升式塔式起重機

QTZ50 自升式

■ 超長(cháng)吊臂（48/50米），覆蓋面大。
■ 标準節截面大、剛性好、吊重時整機穩定、擺動小(xiǎo)。
■ 标準節主肢材料型号大。
■ 電(diàn)器系統采用(yòng)國(guó)内優質(zhì)或進口元件，性能(néng)穩定可(kě)靠。
■ 标準節、拉杆、上下轉台等主要部件（位）全部采用(yòng)CO₂氣體(tǐ)保護焊，熔深大，變形小(xiǎo)。
■ 回轉機構采用(yòng)雙速電(diàn)機或繞線(xiàn)電(diàn)機，啓動平穩可(kě)靠、無沖擊。
■ 起升機構調速性能(néng)好，起升、下降無沖擊、平穩。

QTZ50 self-ascending tower crane

■ The ultra long arm（48/50m），the coverage area is big.
■ The standard segment section is wide，rigidity is good，complete machine is stable when craning，swings slightly.
■ The standard segment principal branch model is big.
■ The electrical system uses domestic high quality or importing parts.performance is stable and reliable.
■ The standard segment，drawbar，from top to bottom turntable.and other major components，used in all CO₂ gas-shielded welding，penetration depth deep，small deformation.
■ Slewing mechanism adopt two-speed motor or winding motor，starts smooth and reliable，no impact.
■ Hoisting mechanism with good performance of speeding，lifting and declining no impact and smooth.