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STS Cranes

Quayside container crane also known as ship to shore crane (abbreviated as STS) is special lifting equipment for loading & unloading container in quayside which is capable of unloading the container from ship to wharf or truck as well as loading the container from wharf or truck to the ship. Weihua’s STS crane has applied a number of advanced technologies and has the characteristics of excellent performance, large lifting capacity, long outreach, real-time collection of running positions, intelligent control of spreader trajectory, complete safety protection function, high working efficiency, energy saving and environmental protection.

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Weihua design, manufacture and inspection of STS crane comply with Chinese standard and international standards such as FEM, DIN, IEC, AWS and etc. It is mainly composed of electrical control system, metal structure, lifting mechanism, trolley traveling mechanism, boom hoist mechanism, crane traveling mechanism, trolley assembly, anti-snag protection device and other auxiliary device. All mechanisms adopt fully digital AC variable frequency and PLC speed control technology with flexible control and high accuracy. Spreader for single container or double containers with different specification is equipped and electronic anti-swing function is as option. Main product specifications include 35t, 41t, 51t and 65t.

Vector frequency conversion, electric energy feedback, torque balance control, energy saving and environmental protection, convenience and efficiency.
Distributed bus control, optical fiber communication, anti-interference and high stability.
CMS intelligent service management system, real-time monitoring of running status.
Automatic fault detection and real-time data display, safety and reliability.
Realizable 80 luffing degree of boom, convenient for ship to enter and leave ports.
Multiple operation mode---manual, semi-automatic and automatic remote operation, complete with advanced technology and stable performance.
Applied core technologies such as automatic running positioning, flexible landing on containers, trajectory intelligent control, intelligent tilting anti-snag safety protection and etc.
A variety of safety measures, including strong wind alarm, safety dynamic scanning.

Main Technical Parameters of Ship to Shore Container Crane
Basic Parameters	Rated Lifting Capacity	Under Spreader	35		41		51		65		t
		Under Hook	45		50		61		75		t
	Lifting Height	Above Rail	37	25	50	35	58	40	62	42	m
		Below Rail		12		15		18		20	m
	Front Outreach		30		45		51		65		m
	Rear Outreach		10		15		15		25		m
	Rail Gauge		16		16/22		30.48		30.48		m
	Total Trolley Travel Distance		56		76/82		96.48		120.48		m
	Inside Clearance Between Legs		≥17.5		≥17.5		≥18.5		≥18.5		m
	Clear Height of Middle Cross Beam		≥13		≥13		≥13		≥13		m
	Distance Between Gantry Bumpers		≤27		≤27		≤27		≤27		m
Speed Parameters	Lifting Speed	Full Load	50		60		75		90		m/min
		No Load	120		120		150		180		m/min
	Trolley Traveling Speed		180		210		240		240		m/min
	Gantry Traveling Speed		45		45		45		45		m/min
	Boom Hoisting Time (One Way)		5		5		5		5		min