Product Introduction
The big tonnage knuckle type loader crane with the maximum lift moment of 740kN·m and the maximum working range of 15.83m ,1st derricking mechanism and 2nd derricking mechanism adopt four link organization that make the machine has bigger lift capacity. Double rotation type make rotation motions more stable. Six hydraulic boom extensions and big span leg have excellent stability under the condition of large working range. moment limiting technology ensure that products are safe and reliable.
Product Advantage
1.Octagon boom section, the plates with different thickness are used in the same boom ,that make the stability stronger and the weight lighter
2.Big span and double- level horizontal legs and integrative base can ensure the whole unit a good stability in the super long working range
3.Big torque with double rotation can carry out unlimited rotation, also ensure that the rotation is steady and smooth, supply better operation experience for the customers
4.Optimized hydraulic control system and remote control make the unit efficiency higher, more comfortable and safer
5.Horizontal leg has automatic locking function, it will automatic lock after leg is stowed, prevent accidents arising from legs extend suddenly while travelling.
Technical Parameters
| Item | Unit | Parameter |
| Max lifting Moment | kN·m | 100 |
| Max.lifting capacity | Kg | 4000 |
| Max.hydraulic outreach | m | 11 |
| Stabilizer spread | m | 4.51 |
| Slewing Angle | ° | 360°continue |
Product Uses
1. Urban Construction and Narrow Space Operations
The SQZ860-7 is ideally suited for space-constrained conditions such as urban construction sites and old neighborhood renovations. Its folding boom design and exceptional obstacle-crossing capability enable effortless material transfer over walls, low structures, or temporary barriers, effectively minimizing disruption to residents' daily lives and traffic flow.
2. Factory Relocation and Equipment Installation/Maintenance
This crane serves as a reliable assistant for equipment relocation, installation, and maintenance within factory buildings. Its flexibility and robust lifting capacity (maximum lifting load: 9000 kg) enable efficient handling of large equipment hoisting and positioning tasks, making it particularly suitable for indoor or space-constrained industrial environments.
3. Logistics Transfer and Cargo Handling
The SQZ860-7 serves material loading, unloading, and transfer operations at ports, terminals, logistics parks, and general cargo yards. Its excellent mobility (transportable on its own chassis) and efficient performance enable rapid relocation between work sites to meet diverse handling demands.
4. Emergency Response and Specialized Lifting
With its formidable terrain traversal and complex-terrain adaptability (achieved through a wide-span, dual-level horizontal outrigger design for outstanding stability), this equipment also excels in emergency scenarios—such as road accident rescue and obstacle clearance—or performs lifting tasks in specialized sites inaccessible to conventional cranes.
Product Operate Guide
Before operation, check that the outriggers are fully extended and ensure the ground is solid. Keep the vehicle level during operation and never overload it. Operate the folding arm smoothly and slowly, maintaining a safe distance from surrounding obstacles. Rotate slowly and at a steady speed, avoiding sudden stops or turns. Regularly inspect the wire rope for wear. After completing the task, retract the folding arm, secure the hook, and maintain daily equipment maintenance records.
FAQ
1. FUSE NOT BLOWN, BUT CIRCUIT OPEN?
The fuse holder overheated and oxidized due to excessive contact resistance, causing a loose connection. Clean the holder and ensure proper contact.
2. WIRE HARNESS WORN THROUGH AND SHORTED AT METAL HOLES?
Rubber grommets were missing or not installed, allowing metal edges to cut through the wire insulation.
3. SENSOR SIGNAL VOLTAGE OCCASIONALLY DROPS TO ZERO DURING OPERATION?
Loose connection in the sensor power supply line causes momentary disconnection during equipment vibration.
4. FREQUENT COMMUNICATION ERRORS REPORTED ON THE CAN BUS SYSTEM?
Check if the 120-ohm CAN bus termination resistor is damaged or detached, or if water has entered the bus connector.
5. NEWLY REPLACED SENSOR STILL SHOWS NO SIGNAL ON THE DIAGNOSTIC TOOL?
Possibly purchased the wrong model or received a damaged sensor.
6. INSTRUMENT SCREEN DIMS MOMENTARILY WHEN HIGH-POWER EQUIPMENT OPERATES?
Battery capacity is insufficient or the battery is aged, increasing internal resistance and causing a sudden voltage drop during high-current discharge.
