Features and Specifications of Winch Planetary Gearbox for Tower Cranes
| Specification | Details |
|---|---|
| Output torque range | 1000-280000 N.m |
| Gear ratios | i=5.3-400 |
| Support | The gearbox has rotating housing flanges to fit winch |
| Applicable motors | Axial piston hydraulic motors, hydraulic orbit motors or others |
| Hydraulic motor options | Pressure relief valve, overcenter valve on request |
| Bearing | Robust bearing system absorbing the forces exerted by the ring gear |
| Brake | Hydraulic released parking brake on request |
| Performance figures | Refer to FEM standards, class M5 (T5-L2) for output max. speeds of 25 rpm |
| Compatibility | Technical data and installation dimensions of the EP400W Series gearbox are same as those of Rexroth GFT…W Series and Bonfiglioli 800 Series, so these three can be used interchangeably |
| Type | Max. torque N.m | Range of ratios (i) | Max. Input speed (rpm) | Braking torque (N.m) |
| EP400W1 | 870 | 6.09 | 1000 | 130 |
| EP401W1 | 1300 | 6.2 | 1000 | 270 |
| EP402W2 | 4000 | 12.4-37.1 | 3500 | – |
| EP403W2 | 4000 | 15.4-40 | 3500 | 270 |
| EP405W | 7000 | 20-80 | 3500 | 270 |
| EP405.4W | 5500 | 26-57 | 3500 | 280 |
| EP406AW | 12500 | 23-220 | 3500 | 430 |
| EP406W | 13000 | 28-140 | 3500 | 430 |
| EP406BW3 | 17500 | 63-136 | 3500 | 430 |
| EP407AW | 18000 | 38-136 | 3500 | 430-530 |
| EP407W3 | 26000 | 63-136 | 3500 | 530 |
| EP410W3 | 37500 | 62-177 | 3500 | 530 |
| EP413W3 | 42500 | 86-172 | 3500 | 610 |
| EP414W3 | 67000 | 76-186 | 3500 | 1200 |
| EP415W3 | 100000 | 81-215 | 3000 | 1200 |
| EP416W3 | 140000 | 87-255 | 3000 | 2000 |
| EP417W3 | 200000 | 123-365 | 3000 | 2000 |
| EP419W3 | 275000 | 161-306 | 2500 | 3000 |
Winch Planetary Gearbox for Tower Cranes – Working Principle
The Winch Planetary Gearbox is essential in tower cranes, providing efficient power transmission. Its basic structure consists of a central sun gear, planet gears, and a ring gear, which work together to reduce speed and increase torque. In application, the gearbox connects the crane's motor to the winch, allowing it to lift heavy loads smoothly. As the motor turns the sun gear, the planet gears rotate around it, transferring motion to the ring gear. This setup ensures precise control and stability while operating at various heights and loads.
Advantages of Winch Planetary Gearbox for Tower Cranes
- High Torque and Load Capacity: The multi-tooth meshing design effectively distributes loads, enhancing the overall load-bearing capacity of the gearbox.
- Compactness and Space Efficiency: Compared to traditional gearboxes, the planetary design offers significant size advantages, making it ideal for tight spaces.
- Transmission Efficiency: Achieving an efficiency of 97%-98% in single-stage configurations, with excellent performance in multi-stage setups as well.
- Durability and Reliability: Uniform stress distribution within the gearbox contributes to a longer lifespan and enhanced reliability in demanding conditions.
- Customizability: The gearbox can be tailored to meet various winch requirements, allowing adjustments in gear ratio, torque, and installation methods.
Selection Guide for Winch Planetary Gearbox
When selecting a Winch Planetary Gearbox for Tower Cranes, consider several key factors. First, determine the required power or torque to meet your operational needs. Assess the gear ratio and desired speed, as well as input and output types, like spline, hollow, or solid. Evaluate any external or radial forces on the input/output ends and the operating temperature range. Additionally, consider the lifespan requirements and any special demands, such as continuous operation or impact resistance.
How to Determine Whether the Gearbox Is Overloaded?
To assess if a winch planetary gearbox for tower cranes is overloaded, consider the following points:
- Monitor the operating temperature regularly; excessive heat can indicate overload.
- Check for unusual noise or vibration during operation, which may suggest mechanical stress.
- Review the torque output against the manufacturer's specifications to ensure it remains within limits.
- Inspect the gearbox for signs of wear or damage, as these can be consequences of overload.
Winch Planetary Gearbox Manufacturer
RP Techniek is the Dutch sales agent for Ever-power Group, specializing in high-quality gear solutions. The Winch Planetary Gearbox for Tower Cranes plays a crucial role in enhancing the efficiency and reliability of lifting operations. Its unique design ensures smooth power transmission and improved load handling, making it indispensable for construction projects.
We encourage all customers to consider customizing and purchasing our advanced winch planetary gearboxes to maximize performance in their operations. Don't miss the opportunity to enhance your lifting capabilities!
