Gp7822DT配置为主机、1.5英寸钻杆、2.25英寸钻杆、2.25英寸双套管土壤采样系统、MC5土壤采样系统、SP16地下水采样系统、4.25中控螺旋钻系统、灌注系统等。
GP7822DT多功能钻探车的核心部件是GH64液压冲击锤,冲击频率每分钟可达1920次,每次冲击力在20000磅以上。
内置六角驱动头,可提供双向旋转快速路面钻探、混凝土取芯、进行锚定或螺旋钻探功能。
冲击锤也具有回拔功能,具有超过20吨回拔力的绞盘系统。
Geoprobe7822DT钻机是美国Geoprobe公司专门为土壤地下水污染调查领域研发,该设备结构紧凑,功能多样,重量约为3.5吨,配备58马力的8缸久保田柴油发动机,液压达到4000psi,可在一些其他设备采样受限的区域进行作业。
7822DT Specifications
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Stroke | 78 in. | 1,981 mm |
Weight | 7,555 lb. | 3,427 kg |
Width | 60 in. | 1,524 mm |
Length (folded) | 133 in. | 3,378 mm |
Height (folded) | 99.5 in. | 2,527 mm |
Height (unfolded) | 184 in. | 4,674 mm |
Lateral Movement (side-to-side) | 25 in. | 635 mm |
Oscillation | +/- 10 degrees | |
Foot Travel | 20.5 in. | 521 mm |
Extension | 15.5 in. | 394 mm |
Down Force | 36,000 lb. | 160 kN |
Retraction Force | 48,000 lb. | 214 kN |
Hydraulic Pressure (system) | 4,000 psi | 276 bar |
Hydraulic Flow Rate (system) | 40 gpm | 151 Lpm |
Hammer System | GH64 | |
Percussion Rate | 32 Hz | |
Torque (hammer motor) | (see below) | |
Rotation Rate (hammer motor) | (see below) | |
Fuel Capacity (diesel) | 17 gal | 64L |
Engine (diesel) | Kubota, 4-cylinder turbo | |
Engine Power | 58 hp | 43 Kw |
Outrigger Extension | N/A | |
Rear Stabilizer Lift | 2,000 lb. | 907 kg |
Ground Speed | 0-5 mph | 0-8 kph |
Surface Load | 4.6 lb/in2 | 0.32 kg/cm2 |
Winch Rating | 2,350 lb. | 1,066 kg |
Winch Speed | 0-110 fpm | 0-34 m/min |
GH64 Hammer Specifications | | |
Torque (high torque/low speed) | 450 ft. lb. | 610 N·M |
Torque (low torque/high speed) | 225 ft. lb. | 305 N·M |
Rotation speed (low speed/high torque) | 0-250 rpm | |
Rotation speed (high speed/low torque) | 0-500 rpm | |
Augerhead Specifications | | |
Torque (high torque/low speed) | 4,000 ft. lb. | 5,423 N·M |
Torque (low torque/high speed) | 2,000 ft. lb. | 2,712 N·M |
Hex adapter | 1-5/8 in | 41 mm |
Rotation&nbs
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