China supplier High Quality Stainless Steel Material Marine Surface Drive Propulsion /Stern Drive for Different Boat

Product Description

 

Product Description

JHL marine stern drive is a new type of marine propulsion device. This machine is cast from high-quality aluminum alloy , processed by high precision horizontal machining center,The surface of the aluminum parts is anodized.It is a stern drive device with small size, light weight and excellent performance.
 JHL stern drive integrates clutch and gear shifting functions, and has a very compact structure. It is installed on the stern and takes up very little space. It has forward, neutral and reverse gear,can also be steered by pushing the direction rod through the hydraulic cylinder,equipped with a large gear box to make the area of the rudder plate larger, the steering and rudder effect are very good, and the stern drive has its own electro-hydraulic lifting function, which can adjust the CHINAMFG attitude of the boat. . In actual use, it is more convenient to check and maintain the propeller, and it also improves the passability of the boat greatly .
Another major feature of the CHINAMFG stern drive,the gear oil can be replaced in the cabin, no need to lift the boat ashore. Propellers with different diameters and pitches can be selected according to different boat types, so it has a wider range of use ,which is suitable for boats under 20 meters.
Main specificatins
 

No. Items Specifications
1 Model EX1X165(150)
2 Main engine input power 45-110Kw
3 Input Maximum speed 5500rpm
4 Rated speed/Rated transmission torque 3400rpm/0.29Kw/rim
5 Gear ratio 1.65:1 /1.5:1
6 Steering mode  Mechanical assist or manual hydraulic
7 Steering angle  25° left and right
8 Mount angle 13°
9 Forward propeller rotation direction (rear view) Clockwise
10 Propeller maximum diameter 405mm
11 Gear F-N-R
12 Clutch Type  Spiral Cone Clutch
13 Control method Front steering wheel
14 Installation method  Outside the hull-bolt fixing
15 Dimensions L923*W402*H1047(mm)
16 Weight 100Kg ±5

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FAQ

1. How to choose the right model ? 
 It depends on continuous output power, Voltage, Frequency and fuel type.  

2. What is the warranty ? 
One year.
we offer all spare parts free of charge during warranty period. After this period, spare parts are not free. What’s more, a set of spare parts will be shipped together with  engine and generator set free of charge.  

3 . How is the after sale service and maintenance? 
A:We offer installation,repair and maintain service abroad. And online guide service if needed anytime. Our before-sale, in-sale and after-sale service are all trustable, you can name it.

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Certification: CCC, ISO9001
Standard Component: Standard Component
Technics: Casting
Material: Aluminum
Type: Crankshaft
Materials: Metal
Customization:
Available

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pitch drive

What are the signs that indicate a need for pitch drive replacement or maintenance, and how can they be diagnosed?

Signs that indicate a need for pitch drive replacement or maintenance can vary depending on the specific system and its operating conditions. However, there are several common signs that may suggest potential issues with a pitch drive. Here’s a detailed explanation of these signs and how they can be diagnosed:

  • Unusual Noises or Vibrations: Unusual noises or vibrations during pitch drive operation can be indicative of mechanical problems. Excessive noise or abnormal vibrations may suggest misalignment, worn-out bearings, damaged gears, or loose components. These issues can be diagnosed through visual inspection, listening for unusual sounds, and performing vibration analysis using specialized equipment.
  • Poor Performance or Efficiency: A noticeable decrease in the performance or efficiency of the adjustable system can be a sign of pitch drive issues. For example, in wind turbines, a decrease in power output or reduced energy capture may indicate problems with pitch control mechanisms. Performance can be diagnosed by comparing the system’s actual performance with expected performance based on design specifications or historical data.
  • Inconsistent Pitch Angle Control: If the pitch angles of the adjustable components are not being controlled accurately or consistently, it may indicate a malfunctioning pitch drive. Inconsistent pitch angle control can be diagnosed by monitoring the actual pitch angles and comparing them with the desired setpoints or reference values. Any deviations or inconsistencies should be investigated further.
  • High Pitch Drive Torque or Current: An abnormal increase in pitch drive torque or current can be a sign of excessive mechanical resistance or binding in the system. This can be diagnosed by monitoring the torque or current readings during pitch drive operation and comparing them with normal operating ranges or historical data. Any significant deviations should be investigated to identify the underlying cause.
  • Irregular or Unresponsive Pitch Drive Operation: If the pitch drive system exhibits irregular or unresponsive behavior, such as delays in pitch angle adjustment or failure to respond to control commands, it may indicate electrical or control system issues. Diagnosing these issues may involve checking the electrical connections, inspecting control circuitry, and performing diagnostic tests using appropriate instrumentation.
  • Visual Inspection of Components: Regular visual inspections of pitch drive components can help identify visible signs of wear, damage, or deterioration. This may include inspecting the gears, bearings, shafts, seals, and other mechanical parts for signs of corrosion, pitting, cracks, or excessive wear. Any abnormalities observed during visual inspections should be further investigated and addressed through maintenance or component replacement.
  • Data Monitoring and Analysis: Continuous monitoring and analysis of operational data can provide valuable insights into the performance and health of the pitch drive system. This may involve collecting data such as pitch angles, torque, current, temperature, and other relevant parameters. Analyzing the data over time can help identify trends, anomalies, or patterns that may indicate the need for maintenance or replacement.
  • Manufacturer Recommendations and Maintenance Schedules: Following the manufacturer’s recommendations and maintenance schedules is essential for ensuring the proper functioning of pitch drives. Manufacturers often provide guidelines on maintenance tasks, inspection intervals, and replacement schedules based on the expected lifespan and operating conditions of the pitch drive. Adhering to these recommendations can help proactively address potential issues and ensure the longevity and reliability of the system.

In summary, signs that indicate a need for pitch drive replacement or maintenance include unusual noises or vibrations, poor performance or efficiency, inconsistent pitch angle control, high torque or current readings, irregular or unresponsive operation, visible signs of wear or damage, and data anomalies. These signs can be diagnosed through visual inspection, monitoring operational data, comparing performance with expected values, analyzing control behavior, and following manufacturer recommendations. Regular maintenance, inspections, and proactive troubleshooting are essential to address these signs effectively and ensure the reliable operation of pitch drives.

pitch drive

Can you explain the impact of pitch drives on the overall efficiency of adjustable systems?

Pitch drives have a significant impact on the overall efficiency of adjustable systems. These drives enable precise and controlled adjustments of pitch angles, which in turn optimize the performance, energy consumption, and operational characteristics of various adjustable systems. Here’s a detailed explanation of the impact of pitch drives on overall system efficiency:

  • Optimized Power Output: In applications such as wind turbines or marine propulsion systems, pitch drives allow for the optimization of power output. By adjusting the pitch angle of turbine blades or propellers, pitch drives can maximize the capture of wind or water energy, ensuring that the system operates at its peak efficiency point. This results in higher power generation or propulsion efficiency, translating into improved overall system efficiency.
  • Load Distribution and Stress Reduction: Pitch drives play a crucial role in adjusting the pitch angles of rotor blades or propellers, which helps distribute loads evenly across the system. By optimizing load distribution, pitch drives minimize stress concentrations on specific components, reducing the risk of fatigue, wear, or failure. This balanced load distribution enhances the overall structural integrity and reliability of the adjustable systems, allowing them to operate efficiently over extended periods.
  • Responsive and Adaptive Performance: Adjustable systems equipped with pitch drives exhibit responsive and adaptive performance characteristics. The ability to adjust pitch angles enables quick response to changing operating conditions or external factors. For example, in wind turbines, pitch drives allow the system to respond to varying wind speeds and directions, optimizing power generation and maintaining safe operating conditions. This adaptability improves system efficiency by ensuring optimal performance under different environmental or operational scenarios.
  • Energy Conservation: Pitch drives contribute to energy conservation in adjustable systems. By adjusting the pitch angles to match the desired performance requirements, the system can avoid unnecessary power consumption or overloading. For instance, in HVAC systems with adjustable pitch fans, pitch drives allow for precise control of airflow, reducing energy waste and improving overall energy efficiency. This energy conservation leads to lower operational costs and a reduced environmental footprint.
  • Operating Cost Reduction: The efficiency gains achieved through pitch drives result in cost reductions for adjustable systems. By optimizing power output, reducing stress, and conserving energy, pitch drives contribute to lower maintenance, repair, and operational expenses. The improved overall efficiency translates into increased system reliability, reduced downtime, and longer service life, leading to cost savings over the operational lifespan of the system.
  • Improved Control and Safety: Pitch drives enhance the control and safety of adjustable systems. Precise adjustments of pitch angles provide operators with better control over system performance, allowing them to optimize operations for improved efficiency and safety. For example, in aircraft with variable-pitch propellers, pitch drives enable pilots to adjust the propeller pitch to match the desired thrust requirements, optimizing fuel efficiency and ensuring safe takeoffs, climbs, and descents.

The impact of pitch drives on overall system efficiency is evident across various industries, including renewable energy, aerospace, marine, HVAC, and industrial applications. By enabling precise pitch adjustments, these drives optimize power output, load distribution, responsiveness, energy conservation, and operating costs, ultimately leading to improved overall efficiency for adjustable systems.

pitch drive

How does the design of a pitch drive contribute to efficient adjustment or movement?

The design of a pitch drive plays a crucial role in enabling efficient adjustment or movement of the pitch angle in machinery or systems. The design factors of a pitch drive are carefully considered to ensure precise control, reliability, and optimal performance. Here’s a detailed explanation of how the design of a pitch drive contributes to efficient adjustment or movement:

The design considerations of a pitch drive include the following aspects:

  • Mechanical Structure: The mechanical structure of a pitch drive is designed to provide the necessary strength, rigidity, and durability to withstand the operational forces and loads. It ensures that the pitch drive can effectively transmit and control the required torque and movement to adjust the pitch angle. The design considers factors such as material selection, component dimensions, and overall structural integrity to ensure efficient adjustment without compromising the system’s reliability.
  • Gearing System: Pitch drives often incorporate gearing systems to transmit and amplify the rotational motion. The design of the gearing system is crucial for efficient adjustment or movement. It ensures precise torque transmission, minimal backlash, and smooth operation. The gear ratio and gear quality are carefully chosen to achieve the desired pitch angle adjustment range and accuracy. The design of the gears also considers factors such as noise reduction, lubrication, and maintenance requirements.
  • Actuation Mechanism: The actuation mechanism of a pitch drive depends on the specific application and requirements. It can involve various technologies such as hydraulic, pneumatic, or electric actuators. The design of the actuation mechanism focuses on providing precise and responsive control over the pitch angle adjustment. Factors such as actuator speed, force or torque output, and control system integration are considered to ensure efficient adjustment or movement.
  • Control System Integration: The design of a pitch drive includes the integration of a control system that governs the pitch angle adjustment. The control system receives input signals or commands and translates them into appropriate actuation signals for the pitch drive mechanism. The design of the control system ensures accurate and responsive control, taking into account factors such as sensor feedback, signal processing, and control algorithms. Efficient control system design facilitates precise and dynamic adjustment of the pitch angle in real-time.

The design features and considerations of a pitch drive contribute to efficient adjustment or movement in several ways:

  • High Precision: The design ensures precise control over the pitch angle, allowing for fine adjustments and accurate positioning. This precision is crucial in applications where small changes in the pitch angle can significantly impact performance, efficiency, or safety.
  • Smooth Operation: The design minimizes friction, backlash, and mechanical vibrations, resulting in smooth and consistent movement during pitch angle adjustment. Smooth operation reduces wear and tear, enhances system reliability, and improves overall performance.
  • Speed and Responsiveness: The design factors in the actuation mechanism and control system to enable fast and responsive pitch angle adjustments. This is particularly important in applications where rapid changes in the pitch angle are required to adapt to dynamic operating conditions.
  • Reliability: The design ensures the pitch drive’s structural integrity, component durability, and system reliability. This contributes to long-term operation without significant maintenance or downtime, enhancing the efficiency and productivity of the machinery or system.
  • Safety: The design incorporates safety features and mechanisms to prevent unintended or excessive pitch angle adjustments. Safety considerations may include limit switches, emergency stop controls, or redundant systems to ensure safe operation and protect against potential hazards.

Overall, the design of a pitch drive is carefully engineered to provide efficient adjustment or movement of the pitch angle. By considering mechanical structure, gearing systems, actuation mechanisms, and control system integration, the design aims to achieve precise control, reliability, and optimal performance in machinery or systems that rely on pitch angle adjustment.

China supplier High Quality Stainless Steel Material Marine Surface Drive Propulsion /Stern Drive for Different Boat  China supplier High Quality Stainless Steel Material Marine Surface Drive Propulsion /Stern Drive for Different Boat
editor by CX 2024-01-15