1、 Basic information of the whole machine
Table
Project standard factory parameters
Model Cat 313D LC Extended Crawler Medium sized Excavator (mainstream LC extended chassis in China, standard short chassis is rare in the market)
Origin: Caterpillar Joint Venture Factory in Xuzhou, Jiangsu Province, China. Domestic complete machine
Operating weight of the whole machine (500mm steel track, enclosed cab, 4.65m standard boom+2.5m standard bucket rod, 0.52m ³ earthmoving bucket, full fuel including driver) 13430kg (13.43 tons)
Standard earthwork bucket capacity (SAE dump) 0.52m ³; Optional 0.4m ³ trenching bucket and 0.65m ³ lightweight earthmoving bucket
Standard bucket width (with side teeth) 920mm
Standard configuration of 500mm three bar wear-resistant steel track shoes; Optional 600/700mm widened wetland track
LC extended and widened chassis structure, with a track gauge of 1990mm; large grounding area, difficult to sink in soft soil
Tail turning form standard long tail turning, tail turning radius 2160mm, narrow field, basement easy to scratch walls
Applicable working conditions include municipal road reconstruction and expansion, building foundation pits, earthwork transportation, river dredging, sand and gravel yards, and 135 type crushing hammer operations; National III emissions, limited environmental control construction sites in urban areas, suitable for unrestricted emission projects in suburban and rural areas
2、 Overall dimensions for transportation of the whole machine (unit: mm, standard 4.65m boom+2.5m boom)
Total length of the machine: 7620
Transportation width of the whole machine: 2490
Total height of cab transportation: 2960
Minimum ground clearance: 430
Track total length: 3760; Track grounding length 3040
Track gauge: 1990
Tail turning radius: 2160mm
Ground clearance of counterweight: 910
Bulldozer blade: The original factory does not have a bulldozer blade configuration
3、 Power system (Cat C4.2 ACERT four cylinder water-cooled turbocharged diesel engine)
Engine model: Cat C4.2 ACERT direct injection turbocharged common rail diesel engine
Rated net power: 67kW (91 horsepower)/2200rpm; Total power 72kW (98 horsepower)
Maximum torque: 410N · m @ 1400rpm, low speed high torque, no speed drop during crushing and heavy loads, and not easily subjected to high temperatures
Displacement: 4.25L; cylinder diameter 102mm x stroke 130mm
Emission standards: National III/Tier 3, no DPF, no urea direct discharge engine, restricted driving on urban construction sites
Electrical system: 24V, dual 12V batteries, 90A generator
Fuel tank capacity: 250L, continuous construction for 8-10 hours a day without refueling
Energy saving configuration: 3-second automatic idle without operation, standard/heavy-duty dual power mode, comprehensive fuel saving of 10% in standard mode
4、 Hydraulic system (load sensing variable plunger hydraulic)
Dual variable plunger main pump, 2200rpm total maximum flow 254L/minCat
System overflow pressure:
Main working circuit: 30.5MPa
Walking circuit: 35MPa
Rotary circuit: 23MPa
Pilot pressure: 4.1MPa
Broken pipeline: no standard configuration at the factory, optional configuration, compatible with 135 medium-sized crushing hammer
Core functions: Straight hold, boom/stick flow regeneration, smooth compound action, and shortened work cycle
Hydraulic oil tank capacity: 150L; total oil volume of the entire hydraulic system is 162L
Oil cylinder specifications
Boom cylinder: cylinder diameter 110mm, stroke 1015mm
Stick oil cylinder: cylinder diameter 120mm, stroke 1197mm
Bucket oil cylinder: cylinder diameter 100mm, stroke 939mm
5、 Performance of standard 2.5m boom excavation operation (ISO standard, unit: mm/kN)
1. Scope of homework
Maximum excavation radius on the ground: 8330
Excavation radius of shutdown surface: 8190
Maximum excavation depth: 5650
Maximum excavation depth at 2.44m level: 4940
Vertical maximum excavation depth: 4720
Maximum excavation height: 8640
Maximum unloading height: 6120
2. Digging power
Bucket excavation force: 99kN (boost mode)/82kN standard
Excavating force of boom: 78kN
3. Walking and turning parameters
Rotation speed: 12.4rpm, with buffer braking, low start stop impact
Dual speed walking: Low speed 3.4km/h/High speed 5.5km/h
Maximum traction force of the whole machine: 114kN, not easy to slip on muddy steep slopes
Climbing ability: 70% (35 ° steep slope)
Ground pressure ratio (500mm steel track LC version): 41.8kPa
6、 Full vehicle oil filling capacity
Diesel tank: 250 L
Hydraulic oil tank: 150 L; Whole machine hydraulic oil: 162 L
Engine oil: 19.5 L
Total capacity of cooling system: 17.9 L
Unilateral walking motor gear oil: 3 L, total of 6 L on both sides
Rotary reducer gear oil: 3 L
7、 Chassis heavy load configuration
Single side support wheel: 6 pieces; Single side sprocket wheel: 2 pieces
Fully sealed self-lubricating track chain, resistant to sediment and wear, with a long service life
External butter type track tensioning cylinder, easy to adjust and maintain
LC extended chassis, larger grounding area, less prone to sinking in paddy fields and soft soil
Thickened X-shaped integral welded frame, bottom protective steel plate, not easily deformed due to long-term breakage