LW700HV wheel loader is rooted in customers’ needs and relied on the international R&D platform to comprehensively improve the reliability, economy, comfort, efficiency, maintenance convenience, and adaptability of the product. By means of the optimization of power matching, the imported ZF4BP230 full-automatic transmission is installed and the constant/variable displacement hydraulic system, CAN bus communication and intelligent control system are applied to realize the leading technologic level of the machine in the domestic loader industry.
LW700HV wheel loader is extensively applied in the construction sites, ports, harbors, stations, and goods yards, especially for loading and short-distance transport of bulk materials. including loose soil. sandy soil, gravel, and coal. and is a first-choice machine for organization of production in the port, mining, engineering construction, and logistics industries.
LW700HV boasts 19T traction force,22T breakout force, and 16.2T tipping load to achieve outstanding working capability.
The ZF4B230 full-automatic transmission is installed and theFNR gearshift function is integrated on the pilot joystick to remark-ably improve the operation comfort.
Engine
(1) XCMG customized WP10 China-lll electronic injection turbocharged and air-air intercooled engine, with electric start and flameout function, features high torque reserve coeficient. The all-round elastc suspension is applied to greatly reduce the vibration of machine and the fatigue failure arising from resonance, mitigate the driver’s fatigue strength, and improve the driver’s operation comdort, featuring the advantages of high re lability, high adaptability, low fuel consumption, and low omission.
(2) China-ill alectronic contral high pressure cammon rai: its controlled by ECU to realize accurate control of fuel injection, high pressure and low variution. cptimal combustion ratio, atomization, and ignition timing, and high combuston efldency
(3) The tree -stage air filter is designed eopeciaily for severe working emvironment of construction machinary induatry.
(4)The muti-stage fuel filter and fuel-water separator ensure good fuel adaptability and guarantees cleaniness of engine system.
(5)XCMG’s proprintary engine curve works provides three working modes to meet the needs under diversified working condtions and maximize the benefits.
ZF230 full-automatic transmission
(1)This machine is equipped with German ZF full-automatic 4BP230 electro-hydraulically controlled power shift transmission, with KD fundtion and 4 drive and 3 reverse gears.Featuring advanced performance, this transmission provdes smooth gearshifts to simplify the driver’s operations, effectively mitigate the driver’s work strength, and adapt to the operating needs of loader under diversified operating conditions. The powertrain system is optimally matched to achieve good traction performance and stronger combination operation capability.
(2)The changeover function between the manual mode and automatic mode is provided .The transmission is installed with a trouble code display screen so that, requiring no judgment or analysis of maltfunaion, the driver can directly look up the trouble code list to improve the malfunction diagnosti efficiency.
(3)Parking brake: Hydraulically released and spring applied. it’s controlled by
the brake button on the control box to further improve the safety.
XCMG Wet Drive Axle
(1)XCMG WA series wet-type bridge is configured to achieve domestic leading level in terms of reliability, working condition adapt-ability and production efficiency. It possessed 6 proprietary technologies and 2 invention technology patents.
(2)The drive axle is equipped with forced heat dissipation system to forcibly cool down the wet-type brake pads and effectively prolong the service life of axle.
(3)The central limited slip differential technology improves the traction force of machine.
(4)The independently developed wet wheel brake features high safety and reliability.
(5)The design optimization and finite element analysis are taken for the housing to realize high material strength and good expansi-bility.
(6)The planetary geartrain mechanism of split power output is taken and the planetary carrier and the connecting hub are of split type to improve the repairability of wheel reducer.
Structure parts
(1)The super-strong heavy-duty design is applied. The front frame adopts the XCMG’s characteristic large lug seat structure,featuring thick steel plate,high strength. and good stiffness, to carry the torsional forces and impact loads under diversifed working conditions.The rear frame adopts heavy-duty framework design to achieve high reliability. it passed the millions of fatigue destructive test cycles to meet diversified severe working conditions.
(2)The professional finite element stress analysis is taken for the front and rear trames to optimize the irregular welds.
(3)The robot welding process ensure stable weld quality and high fusion depth.
Hydraulic system
The XCMG patented APD constant/variable displacement hydraulic system is applied to achieve high energy-saving and efficiency.The variable displacement pump adopts the power control mode to restrain the maximum power of hydraulic system, reduce the power proportion of hydraulic system in whole machine, guarantee the sufficient power input for traveling system of machine,promote the traction force of loader and working capability under composite working condition, improve the power distribution of machine, and prevent the engine flameout under overload condition.
Working Device
(1)The working device is optimized to reduce the weight by 17% and lower the lifting energy consumption.
(2)The CAE analysis is taken as per the most severe working condition for the structural parts, including working connecting rod and bucket, to comprehensively meet the demands under diversified severe working conditions and the wear-resistant design is taken for the critical portions of bucket.
(3)With optimal shape design, the bucket features low insertion resistance and high fullness rate.
Comfortable Driving Environment
(1)Well insulated against noise, dust, and heat, the full-enclosed integral skeleton structure cab creates a healthy driving environment.
(2)The panoramic glasses and super-large spherical rearview mirrors ensure a broad vision and realize easy and safe operations.
(3)The utilizable space of the cab is enlarged by 20% and the seats are backward inclinable in large angle to realize higher comfort.
(4)The slightly pressurized A/C system provides the operator with a comfortable working environment.
(5)The graceful and elegant instruments bring about a car-style visual enjoyment.
(6)Reversing camera: The optional reversing camera system realizes higher reversing safety.
Environment adaptability
(1)Normal operation under environment temperature of -35℃-+45℃.
(2)No power drop under alttude of up to 3,000m.
(3)A high-flow ventilator is installed for various system to meet the operation needs under heavily dusty environment.
(4)The electrohydraulic control handbrake guarantees higher slope braking safety.
Working condition adaptability
(1)The standard large 26.5 tires feature higher carrying capacity, faster machine speed, and higher working efficiency
(2)The diversified buckets can be equipped based on the handling material.
(3)The diversified attachments can be equipped based on the handling material.