حفارات هيتاشي ZX70 للبيع

الحمولة (طن) 7
Machine operating weight (kg) 6700
Bucket capacity (m) 0.33-0.38
Boom length (mm) 3720
Arm length (mm) 1620
أداء
Slewing speed (rpm) 10.7
Slewing torque (Nm) 12.9
Travel speed (km/h) 3.4-5.0
القدرة على التدرج (%) 70
Ground pressure (Kpa) 31
Bucket digging force (KN) 55
Arm digging force (kN) 38
Maximum traction force (kN) 47.8
نظام التشغيل
Engine model 4TNV98
Rated power (kw/rpm) 42.4/2100
Maximum torque (N.m) 236/1350
Displacement (L) 3.318
عدد الاسطوانات (قطعة) 4
Bore × stroke (mm) 98×110
طريقة التبريد تبريد مائي
Working mode 4 strokes-water cooling-direct injection
النظام الهيدروليكي
Main pump type 3 variable axial piston pumps
Travel hydraulic motor type 2 variable axial piston motors Pilot pump type () 1 gear pump
Swing hydraulic motor type 1 axial piston motor
Main pump maximum flow (I/min) 2×63/1×52.5Pilot pump flow (L/min) 21
Pilot oil circuit (MPa) 3.9
Working hydraulic oil circuit (Mpa) 26
Travel hydraulic circuit (Mpa) 31.4
Swing hydraulic circuit (Mpa) 22.6
Boom cylinder-number×cylinder diameter×stroke (mm) 111565Arm cylinder-number×cylinder diameter×stroke (mm) 19560Bucket cylinder-number×cylinder diameter×stroke (mm) 18555
طاقة إنتاج النفط
خزان الوقود (لتر) 135
Hydraulic oil tank (L) 60
Hydraulic system (L) 100
Engine oil change volume (L) 12.3
Coolant (L) 8
أبعاد الجسم الرئيسية
Total length for transportation (mm) 6080
Total width for transportation (mm) 2260
Total height for transportation (mm) 2600
Total height of cab (mm) 2600
نطاق التشغيل
Maximum digging radius (mm) 6320
Maximum digging radius of parking surface (mm) 6170
Maximum digging depth (mm) 4170
أقصى ارتفاع للحفر (مم) 7150
Maximum unloading height (mm) 5060
Maximum vertical digging depth (mm) 3730
Bulldozer width × height (mm) 2320*435
Bulldozer lifting or pushing depth (mm) 400/280