Performance parameter

Structure parameter

Weight 7800kg

Overall dimension (length×width×height) 4800×2350×2550 mm

Groove number 10

Bull-wheel diameter 750mm

Max diameter of applicable pulling rope 30mm

Main technical performance parameter

Max continuous pulling force 150 kN

Max intermittent pulling force 180kN

Max speed 5 km/h

Pull at max speed 75 kN

Speed at max pull 2.5 km/h

Engine

Type Cummins 6L8.9AA-C325

Total air output 8.9 L

Max torque 1230Nm

Rated power (one hour power) 239 kw

Cylinder diameter × stroke 114×144.5 mm

Rated speed 2200 r/min

Fuel consumption rate (bench test) 225g/kw.h

Rotary speed when maximum torque: 1400 r/min

Auxiliary oilway hydraulic system

Open type constant displacement throttle speed governing hydraulic system is supplied oil by gear pump and controls oil liquor’s cooling and hoisting tail bracket’s lifting of the whole hydraulic system through hand operated direction valve and ball valve.

Duplex gear pump 1PF2G2-4X/016＋014RR20MRL

Hoisting motor J2K-305

System working pressure 12Mpa

Radiator B5024

Sleeve extension oil cylinder 3TG110×250

Fan motor GM5-12-1FE13-S-20

Electric system

Storage battery 6－QA-120(2 pcs)

Engine starting 24V electric starting

System voltage 24V

Drive system

Closed type circuit hydraulic drive system adjusts speed through hydraulic plunger pump with bi-directional variable displacement, reduces speed through planet gear and drives pulling wheels to rotate in positive and negative directions through the first level gear terminal drive.

Cooling mode forced cooling

Main pump

Model sloping cam plate bi-directional plunger pump (German Rexroth)

Type A4VG250HDDT1/32R

Hydraulic motor

Model inclined-axis bi-directional constant displacement tapered plunger motor (German Rexroth)

Type A2FE160/61W-VZL106

Speed reducer

Model two-grade planet gear reduction (German Rexroth)

Reduction ratio 34

Brake response pressure 1.8Mpa

Type GFB60T2B24-06