QTZ315（7040）自升式塔式起重機

QTZ315 自升式

■ 超長(cháng)吊臂，覆蓋面大。

■ 标準節截面大（2000×2000×3000），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。

QTZ315 self-ascending tower crane

■ The ultra long arm，the coverage area is big.

■ The standard segment section is wide（2000×2000×3000），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.