QTZ50（PT5010）平頭式塔式起重機

QTZ50 平頭式

■ 超長吊臂，覆蓋面大。

■ 標準節(jié)截面大，剛性好、吊重時整機穩(wěn)定、擺動小。

■ 標準節(jié)主肢材料型號大。

■ 電器系統(tǒng)采用國內優(yōu)質或進口元件，性能穩(wěn)定可靠。

■ 標準節(jié)、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電機，啟動平穩(wěn)可靠、無沖擊。

■ 起升機構調速性能好，起升、下降無沖擊、平穩(wěn)。

QTZ50 topless tower crane

■ The ultra long arm，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 tuntable.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.