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Sany SCC800TB-EV

Sany recently announced the launch of a range of battery-electric powered telescopic crawler cranes. The first model to be released will be the SCE800TB-EV. It was also the 10,000th units of crawlers which Sany has manufactured.

The SCE800TB-EV is a battery-electric powered telescopic crawler with a lifting capacity of 80t. The new battery-electric crane is based on the highly popular SCE800TB, with the engine replaced by an electric operating system capable of retaining the high-level performance of the diesel-powered version.

thumbnail of SCE800TB-EV_spec_mt_en


*Crane Specifications, Load Charts, and Crane Manuals are for reference only. Contact the crane manufacturer for manuals to operate the crane properly.

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Product Description

The SCE800TB-EV has a maximum boom length of 47m with an optional jib length 17.5m. The boom is made of a high-strength steel structure with a U-shape section area. It features five sections, of which the basic boom is 12.2m. It also features dual cylinders, full power rope row for telescoping.

The SCE800TB-EV includes a number of features designed to provide safe and reliable operation whilst reducing maintenance costs. The battery electric telescopic crawler is equipped with the Danfoss EM-PM1375-T1100-1500 motor with peak power up to 336kW and dual motor controller, which can provide a torque of up to 2,500Nm.

The SCE800TB-EV is also equipped with a 282kWh lithium iron phosphate battery (LFP battery), which is capable of managing eight hours of operation depending on the work required on site. The BMS intelligent piping system monitors the battery voltage and temperature in real-time, and the battery interior is made from VO-grade fire-proof material.

For the launch of the SCE800TB-EV, Sany has developed the SYIC-III Integrated Control System that is designed to deliver high levels of integration, precise operation, and reliable levels of crane operability.

The battery power system includes a main control and a slave control in each battery pack and these adopt a ‘daisy-chain communication’ to achieve the required levels of power in real-time and efficient battery system data acquisition and control.

The vector control drive motor system achieves high precision control of motor output and prevents overload, overheating, short-circuiting, and over-voltage protection as well as other safety functions. 

The SCE800TB-EV Control System manages the battery system, the drive motor and power supply systems, main control, torque limiter, auxiliary and safety monitoring systems. The controller features CAN bus technology which is applied between the display monitor, the battery power system and the drive motor system providing line data communication. 

The display screen in the cab can then display the battery’s state of charge (SOC), power battery voltage, power battery charge and discharge. It can also display the instantaneous power of the driving motor, charging mark, lifting weight and boom angle, as well as other working parameters and numbers relating to the working status of the crane. 

Sany has designed a number of key safety features for the SCE800TB-EV telescopic crawler.

Safety Features

These include a high-voltage safety design system that protects against electrical leakage. The high voltage systems on the crane have real-time insulation monitoring functions that are able to cut off circuits should a sudden electric leakage occur.

The boom hoist mechanism on SCE800TB-EV features a dual-acting single-piston hydraulic cylinder, with safety balance valve, and a luffing angle of -1.5°–80°. The cylinder allows luffing down through self-weight to reduce energy consumption and increase the stability of luffing down operation. 

The swing mechanism adopts a wet swing brake that is spring-loaded. It is normally a closed brake with braking provided through a spring force. The swing system is equipped with an integrated swing buffer valve that has a free-slipping function. This assists with a steady start and control of an excellent inching function. 

The unique swing buffer design and steady brake provide an external gear swing drive with a 360° swing range, a maximum swing speed of two revolutions per minute and maximum drive pressure reaching 20MPa. The swing lock cylinder device ensures the upperworks are locked in four directions after the work is done or during transport.

The counterweights are designed into blocks for self-assembly and easier transport. The rear counterweight totals 26t and is capable of self-assembly. The car body counterweight includes two 3t counterweights at the front and rear. 

The upper works of the crane feature a high-strength steel weld framework, with no torsion or deformation. The parts are set out in a manner that makes maintenance and service easier. 

The SCE800TB-EV features an intelligent work environment for the operator. 

The integrated Load Moment Indication (LMI) Control System is standard, and it is calibration-free. It ensures the safe operation of the crane and improves the crane’s productivity and efficiency.

The LMI system can automatically detect the weight of the load, the working radius and the boom angle and compares this with the rated load weight and actual load, work radius and boom angle. In normal operation, the LMI control system will make judgments and cut off operations if the crane is headed beyond its designed capacities. It also acts as a black box to record overload information. 

The over-release protection device of the main/auxiliary winch features a three-wrap protector installed on the main and auxiliary load hoist winches to prevent an over-release of wire rope. 

When the rope is paid out close to the last three wraps, the limit switch is actioned, and the system sends an audible alarm as well as a displayed alarm on the instrument panel, automatically cutting off the winch action.

If the function lock level is not in the work position, all other handles won’t work, which prevents any mis-operation caused by accidental collision. The electrical swing lock will only allow swing action when the lock is released, so as to prevent any operational error and ensure the safety of the operator and those working close to the crane. 

The remote monitoring system is a standardised providing functions like GPS locating, GPRS data transfer, machine status inquiry and statistics, monitoring of operational data and remote analysis and remote diagnosis of failures. 

The load indication panel features three colours, green, yellow, and red, and these indicate the position of the load in real-time. When the actual load is less than 90 per cent of the rated load, the green light remains on. 

When the actual load is between 90 and 100 per cent of the rated load, the yellow light switches on, and the alarm light flashes and sends out intermittent sirens. If the actual load reaches 100 per cent of the rated load, the red light switches on, the alarm light flashes and the emit continuous sirens. Should the actual load reach 102 per cent of the rated load, the system will automatically cut off the crane’s operation.



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