Product Description
China wholesale Zl50 transmission planetary gearbox for construction machinery excavators
Product Description
Features of construction
ZL30 transmission type is fixed shaft, normally engaged, hydraulic fork shift, it contains 4 shafts, 3 shift clutches and high and low gear sleeves, and the front end of the transmission has a belt brake for parking braking. The transmission has the characteristics of reliable operation, easy operation and high transmission efficiency. After matching the hydraulic torque converter, it is used for the power transmission of four-wheel drive construction machinery (such as loaders) with frequent load and speed changes.
Detailed Photos
Product Parameters
| Stalls | F1 | F2 | F3 | F4 | R1 | R2 |
| 30 I speed Ratio | 3.82 | 2.08 | 1.09 | 0.59 | 3.05 | 0.87 |
| 30-II speed Ratio | 8.2 | 3.65 | 1.1 | 0.49 | 6.33 | 0.85 |
| ZL20 speed Ratio | 2.96 | 1.78 | 1.105 | 0.665 | 2.16 | 0.804 |
| parameters | ZL30 | ||
| Rated input power | 92KW | ||
| Rated input speed | 2500r/min | ||
| Input/Output center distance | 650N.m | ||
| Torque converter zero speed torque ratio | 3.0-3.6 | ||
| Operating oil pressure | 1.3~1.5MPa | ||
| Lubricating oil pressure | 0.15~0.25MPa | ||
| Brake relief valve operating pressure | >0.55MPa |
Gearbox dimensions
Company Profile
HangZhou Yunqi Machinery Sales Co., Ltd. is located in the Economic development zone of HangZhou City, ZheJiang Province, with superior geographical location and convenient transportation. It has 2 branches, HangZhou CZPT Agricultural Equipment Technology Co., Ltd. And HangZhou Shunye Machinery Technology Co., Ltd., mainly engaged in sugarcane harvester and construction machinery gearbox.
CZPT Agricultural Equipment Technology Co., Ltd. Has a complete set of large-scale factory 10000 square meters, office area 1500 square meters. At present, the company has 7 departments including manufacturing department, technology department, research and development center, purchasing department, Marketing Department (including international market management department), after-sales service department, and comprehensive department, and has the independent management ability and channels of machinery import and export foreign trade. The company has 2 full-time technical consultants, and has maintained long-term cooperation with several major national research institutes and professional colleges. The company has strong technical force, 3 senior engineers, 12 R & D, design and process engineers, and rich work experience. Excellent sales and after-sales team is the main guarantee for customer service. HangZhou CZPT is fully capable of providing comprehensive solutions for our customers to relieve all the worries of customers.
Our Advantages
Certifications
Packaging & Shipping
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Considerations for Selecting Planetary Gearboxes for Aerospace and Satellite Applications
Selecting planetary gearboxes for aerospace and satellite applications requires careful consideration due to the unique demands of these industries:
- Weight and Size: Aerospace and satellite systems demand lightweight and compact components. Planetary gearboxes with high power density and lightweight materials are preferred to minimize the overall weight and size of the equipment.
- Reliability: Aerospace missions involve critical operations where component failure is not an option. Planetary gearboxes with a proven track record of reliability and durability are essential to ensure mission success.
- High Efficiency: Efficiency is crucial in aerospace applications to optimize power usage and extend the operational life of satellites. Planetary gearboxes with high efficiency ratings contribute to energy conservation.
- Extreme Environments: Aerospace and satellite systems are exposed to harsh conditions such as vacuum, extreme temperatures, and radiation. Planetary gearboxes need to be designed and tested to withstand these conditions without compromising performance.
- Precision and Accuracy: Many aerospace operations require precise positioning and accurate control. Planetary gearboxes with minimal backlash and high precision gear meshing contribute to accurate movements.
- Lubrication: Lubrication plays a vital role in aerospace gearboxes to ensure smooth operation and prevent wear. Gearboxes with efficient lubrication systems or self-lubricating materials are favored.
- Redundancy and Fail-Safe: Some aerospace systems incorporate redundancy to ensure mission success even in case of component failure. Planetary gearboxes with built-in redundancy or fail-safe mechanisms enhance system reliability.
- Integration: Planetary gearboxes need to be seamlessly integrated into the overall design of aerospace and satellite systems. Customization options and compatibility with other components are important factors.
Overall, selecting planetary gearboxes for aerospace and satellite applications involves a comprehensive evaluation of factors related to weight, reliability, efficiency, durability, environmental resistance, precision, and integration to meet the unique demands of these industries.
Contribution of Planetary Gearboxes to Construction Machinery and Heavy Equipment
Planetary gearboxes play a crucial role in enhancing the proper functioning of construction machinery and heavy equipment. Here’s how they contribute:
High Torque Transmission: Construction machinery often requires high torque to handle heavy loads and perform tasks like digging, lifting, and material handling. Planetary gearboxes excel in transmitting high torque efficiently, allowing these machines to operate effectively even under demanding conditions.
Compact Design: Many construction and heavy equipment applications have limited space for gear mechanisms. Planetary gearboxes offer a compact design with a high power-to-weight ratio. This compactness allows manufacturers to integrate gearboxes into tight spaces without compromising performance.
Customizable Ratios: Different construction tasks require varying speeds and torque levels. Planetary gearboxes offer the advantage of customizable gear ratios, allowing equipment designers to tailor the gearbox to the specific needs of the application. This flexibility enhances the versatility of construction machinery.
Durability and Reliability: Construction sites are challenging environments with dust, debris, and extreme weather conditions. Planetary gearboxes are known for their durability and robustness, making them well-suited for heavy-duty applications. Their enclosed design protects internal components from contaminants and ensures reliable operation.
Efficient Power Distribution: Many construction machines are equipped with multiple functions that require power distribution among different components. Planetary gearboxes can be designed with multiple output shafts, enabling efficient distribution of power to various tasks while maintaining precise control.
Reduced Maintenance: The rugged construction and efficient power transmission of planetary gearboxes result in reduced wear and lower maintenance requirements. This is particularly beneficial in construction settings where downtime for maintenance can be costly.
Overall, planetary gearboxes contribute significantly to the proper functioning of construction machinery and heavy equipment by providing high torque, compactness, customization, durability, efficient power distribution, and reduced maintenance needs. Their capabilities enhance the performance and reliability of these machines in the demanding construction industry.
Role of Sun, Planet, and Ring Gears in Planetary Gearboxes
The arrangement of sun, planet, and ring gears is a fundamental aspect of planetary gearboxes and significantly contributes to their performance. Each gear type plays a specific role in the gearbox’s operation:
- Sun Gear: The sun gear is located at the center and is driven by the input power source. It transmits torque to the planet gears, causing them to orbit around it. The sun gear’s size and rotation speed affect the overall gear ratio of the system.
- Planet Gears: Planet gears are smaller gears that surround the sun gear. They are held in place by the planet carrier and mesh with both the sun gear and the internal teeth of the ring gear. As the sun gear rotates, the planet gears revolve around it, engaging with both the sun and ring gears simultaneously. This arrangement multiplies torque and changes the direction of rotation.
- Ring Gear (Annulus Gear): The ring gear is the outermost gear with internal teeth that mesh with the planet gears’ external teeth. It remains stationary or acts as the output shaft. The interaction between the planet gears and the ring gear causes the planet gears to rotate on their own axes as they orbit the sun gear.
The arrangement of these gears allows for various gear reduction ratios and torque multiplication effects, making planetary gearboxes versatile and efficient for a wide range of applications. The combination of multiple gear engagements and interactions distributes the load across multiple gear teeth, resulting in higher torque capacity, smoother operation, and lower stress on individual gear teeth.
Planetary gearboxes offer advantages such as compact size, high torque density, and the ability to achieve multiple gear reduction stages within a single unit. The arrangement of the sun, planet, and ring gears is essential for achieving these benefits while maintaining efficiency and reliability in various mechanical systems.
editor by lmc 2024-11-28