QTZ315 自升式
■ 超長(zhǎng)吊臂，覆蓋面大。
■ 標(biāo)準(zhǔn)節(jié)截面大（2000×2000×3000），剛性好、吊重時(shí)整機(jī)穩(wěn)定、擺動(dòng)小。
■ 標(biāo)準(zhǔn)節(jié)主肢材料型號(hào)大。
■ 電器系統(tǒng)采用國(guó)內(nèi)優(yōu)質(zhì)或進(jìn)口元件，性能穩(wěn)定可靠。
■ 標(biāo)準(zhǔn)節(jié)、拉桿、上下轉(zhuǎn)臺(tái)等主要部件（位）全部采用CO2氣體保護(hù)焊，熔深大，變形小。
■ 回轉(zhuǎn)機(jī)構(gòu)采用雙速電機(jī)或繞線電機(jī)，啟動(dòng)平穩(wěn)可靠、無(wú)沖擊。
■ 起升機(jī)構(gòu)調(diào)速性能好，起升、下降無(wú)沖擊、平穩(wěn)。
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.
