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主卷揚(yáng)采用雙馬達(dá)、雙減速、單層大卷筒配置，在保證提升力和速度前提下，鋼絲繩的單層纏繞大大提高了鋼絲繩使用壽命；導(dǎo)向滑輪架可完成兩個(gè)自由度的動(dòng)作，自動(dòng)調(diào)整位置保證主卷鋼絲繩通過，增強(qiáng)鋼絲繩的使用壽命。

Main winch adopts duel motors, duel reducers, single roll big drum. Pilot pulley could guild the rope to the right position to make sure the ropes are rolling in single roll. All this could prolong the life of the rope while ensures the pulling force and pulling speed.

施工鉆進(jìn)采用卷揚(yáng)加壓，加壓力、起拔力達(dá)到44噸，加壓行程可達(dá)14米，可實(shí)現(xiàn)多種工法施工。

Winch press technique makes the crowd pull force reach 44T and its crowd stroke reach 14m. This design can meet many kinds of construction methods.

原CAT374D底盤和上車，履帶中心距在2900-4500mm之間調(diào)整，將卡特配重后移，增加配重重量，提高整機(jī)的穩(wěn)定性和可靠性。

Sourced CAT374D undercarriage and upper structure, the crawler could adjust between 2900mm and 4500mm. The readjusted counterweight improves the stability and reliability.

液壓系統(tǒng)關(guān)鍵部分沿用卡特比勒液壓系統(tǒng)主控回路、先導(dǎo)控制回路，使用了*的負(fù)載反饋技術(shù)，可使流量按需分配到系統(tǒng)各個(gè)工作裝置，實(shí)現(xiàn)各種工況下的匹配。先導(dǎo)控制使操作更加靈活、安全、舒適、準(zhǔn)確。系統(tǒng)獨(dú)立散熱。泵、馬達(dá)、閥、油管及管接頭采用進(jìn)口產(chǎn)品，確保高可靠性。

Hydraulic system key parts are still using CAT main control returning and CAT pilot control returning system; it adopts loading reflex technique, this could configure the flow press to each device according to the demand, ensures the machine works perfect with the job. Pilot control makes the operation agility, safe, comfortable, precisely. The whole system adopted a individual coolant system. Pumps, motors, valves, hoses and joint are using the imported famous brand.

機(jī)型 Model	JVR400D
輸出扭距 Max. output torque (KN.m)	400
鉆孔深度 Max. drilling depth (m)	109
鉆孔直徑 Max. drilling diameter (mm)	3000
發(fā)動(dòng)機(jī)生產(chǎn)廠家 Engine brand	CAT
發(fā)動(dòng)機(jī)型號(hào) Engine model	Cummins QSX15-C540
發(fā)動(dòng)機(jī)功率 Engine power (KW)	403
主泵流量 Main pump flow rate	2×400 L/min@1800rpm
底盤型號(hào) Undercarriage model	CAT374F
牽引力 Traction force (KN)	896
鉆孔轉(zhuǎn)速 Drilling speed (rpm)	6 - 22
加壓力/起拔力 Max. crowd push force (KN)	380 / 380
加壓系統(tǒng)行程 Stroke of sledge (mm)	6200
主卷揚(yáng)提升力（層）Main winch pull (1st layer)	350
主卷揚(yáng)繩直徑 Main winch wire rope dia. (mm)	Φ40
主卷揚(yáng)提升速度 Max. main winch line speed (m/min)	66
副卷揚(yáng)提升力（層）Aux. winch line pull (1st layer) (KN)	120
副卷揚(yáng)繩直徑 Aux. winch wire rope dia. (mm)	Φ20
副卷揚(yáng)提升速度 Aux. winch line speed (m/min)	75
工作狀態(tài)設(shè)備寬度/高度 Overall width in drilling position (mm)	5300 / 27720
運(yùn)輸狀態(tài)設(shè)備長(zhǎng)度/寬度/高度 Overall L/H/W transport position (mm)	18930 / 3700 / 3556
總重量（含鉆桿）Total weight (t)	132

JVR400D旋挖鉆機(jī)

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