QTZ315（7040）自升式塔式起重機

QTZ315 自升式

■ 超長(cháng)吊臂，覆蓋面大。

■ 標準節截面大（2000×2000×3000），剛性好、吊重時(shí)整機穩定、擺動(dòng)小。

■ 標準節主肢材料型號大。

■ 電器系統采用國內優(yōu)質(zhì)或進(jìn)口元件，性能穩定可靠。

■ 標準節、拉桿、上下轉臺等主要部件（位）全部采用CO2氣體保護焊，熔深大，變形小。

■ 回轉機構采用雙速電機或繞線(xiàn)電機，啟動(dòng)平穩可靠、無(wú)沖擊。

■ 起升機構調速性能好，起升、下降無(wú)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.