China best Tower Crane Fluid Coupling Plastic Rubber Coupling Coupler for Tower Crane

Product Description

Tower Crane Fluid Coupling Plastic Rubber Coupling Coupler for Tower Crane

Product Description

 

  • Soft start and stop, with the help of advance VFD control. The speed can be set at 0-34m/min as required without limitation.

 

Company Profile

HangZhou CHINAMFG Century Machinery Co., LTD is a professional factory of construction hoist, which is integrating product design, manufacturing, sales, lease, and maintenance. We provide safe and reliable vertical lifting solutions for passenger and goods in domestic and oversea, based on our professional research and development team. The company has complete processing equipment, strong technical force, and skilled operation staff. We strictly follow the national standards to produce products to ensure quality and provide users with advanced and practical equipment to meet their demands.

Certifications

 

Customer Visit Photos

FAQ

Tower Crane Fluid Coupling Plastic Rubber Coupling Coupler for Tower Crane

1. Are you manufacturer or the trader?
We are manufacturer with 14 years maker experiences, have advanced production line and inspection device. Our Research and development team have got many praise from customers.

2. What are your main products?
We produce Construction Hoist (also called construction elevator, construction lift) and spare parts of it.

3. Do your products have some certificates?
Yes. Our Construction Hoist have passed CE ,ISO Certificates.

4. What are the payment terms and the delivery time?
Payment terms are T/T and LC. We will ship the cargo within 20-30 days after receiving the 30% deposit.

5.Quotation request:
If you are interested in our Construction hoist, please provide the following parameters:
1) Lift height (m)
2) Load capacity (ton)
3) Double cage or single cage
4) Mast tower coat: Painting spray or hot galvanized?
5) Using temprature?
6) Local power supply (V, Hz)
7) Is there any space limited for your construction site? If yes, give us a brief drawing to show the space pls
8) Other special equipments.
9) FOB or CIF price? If CIF , pls let us know your destination port.

We will provide best price once confirmed the above. You can get our feedback within 12 hours !

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fluid coupling

Fluid Coupling and Smooth Power Transmission during Starting and Stopping

A fluid coupling is designed to facilitate smooth power transmission during the starting and stopping phases of machinery and equipment. It achieves this by utilizing the principle of hydrodynamic torque transmission through a fluid medium.

Starting Phase: When power is initially supplied to the input shaft of the fluid coupling, the impeller (also known as the pump) begins to rotate, imparting energy to the fluid inside the coupling. As the fluid gains kinetic energy, it starts moving outward towards the turbine (also called the driven element) due to centrifugal force.

The kinetic energy of the moving fluid causes the turbine to start rotating, transmitting torque to the output shaft. During this starting phase, there is a slight time lag, known as the “slip,” between the impeller and the turbine. However, as the fluid coupling reaches its operational speed, the slip reduces, and the turbine matches the speed of the impeller, resulting in smooth power transmission from the input to the output shaft.

The fluid coupling’s ability to control the slip ensures a gradual and controlled acceleration of the driven equipment, minimizing stress on the drivetrain components and preventing sudden shock loads.

Stopping Phase: When power to the input shaft is reduced or cut off, the impeller slows down, and the kinetic energy in the fluid decreases. As a result, the fluid moves away from the turbine towards the center of the coupling, reducing the torque transmission between the input and output shafts.

This characteristic of the fluid coupling aids in smoothly decelerating the connected equipment, preventing sudden jolts or jerks during the stopping process. The ability to control the slip during deceleration ensures that the driven machinery comes to a gradual and controlled stop, enhancing safety and protecting the equipment from damage.

The combination of hydrodynamic torque transmission and the ability to control the slip makes fluid couplings ideal for applications where smooth power transmission during starting and stopping is essential. Industries such as mining, construction, metal processing, marine propulsion, and power generation benefit from the reliable and efficient performance of fluid couplings in various machinery and equipment.

fluid coupling

Cost Implications of Using Fluid Couplings in Comparison to Other Power Transmission Methods

The cost implications of using fluid couplings in power transmission depend on various factors, including the application requirements, the size of the system, and the operational conditions. While fluid couplings offer several advantages, they may have different cost considerations compared to other power transmission methods like mechanical clutches, VFDs (Variable Frequency Drives), and direct mechanical drives.

1. Initial Investment:

The initial cost of a fluid coupling can be higher than that of a mechanical clutch or a direct mechanical drive. Fluid couplings contain precision components, including the impeller and turbine, which can impact their initial purchase price.

2. Maintenance Costs:

Fluid couplings are generally considered to have lower maintenance costs compared to mechanical clutches. Mechanical clutches have wear and tear components that may require more frequent replacements, leading to higher maintenance expenses over time.

3. Energy Efficiency:

Fluid couplings are highly efficient in power transmission, especially during soft-start applications. Their ability to reduce shock loads and provide a smooth acceleration can result in energy savings and operational cost reductions.

4. Space and Weight:

Fluid couplings are usually more compact and lighter than some mechanical clutches, which can be advantageous in applications with space constraints or weight limitations.

5. Specific Application Considerations:

The suitability and cost-effectiveness of fluid couplings versus other power transmission methods can vary based on specific application requirements. For example, in soft-start applications, fluid couplings may be the preferred choice due to their ability to reduce mechanical stress and protect connected equipment.

6. Lifespan and Reliability:

While the initial cost of a fluid coupling might be higher, their longevity and reliability can lead to lower overall life cycle costs compared to other power transmission methods.

In conclusion, the cost implications of using fluid couplings in power transmission depend on the particular application and the total cost of ownership over the equipment’s lifespan. Although fluid couplings may have a higher initial investment, their long-term reliability, energy efficiency, and lower maintenance costs can make them a cost-effective choice in many industrial applications.

fluid coupling

Safety Considerations when Working with Fluid Couplings

Fluid couplings are essential components in various industrial applications, and it’s essential to follow safety guidelines when working with them. Here are some safety considerations:

  1. Lockout-Tagout (LOTO): Before performing any maintenance or repair work on a fluid coupling, ensure that the equipment is properly shut down and that the energy sources are locked out and tagged out. This prevents accidental startup and protects personnel from potential hazards.
  2. Fluid Containment: When draining or replacing the fluid in a fluid coupling, use appropriate containers to collect and contain the fluid. Avoid spills, as some coupling fluids may be hazardous.
  3. High Temperatures: Fluid couplings can reach high temperatures during operation. Allow sufficient cooling time before handling or inspecting the coupling to avoid burns or injuries.
  4. Personal Protective Equipment (PPE): Wear appropriate PPE, such as gloves and eye protection, when working with fluid couplings to protect against potential splashes or contact with hot surfaces.
  5. Manufacturer Recommendations: Follow the safety guidelines and instructions provided by the fluid coupling manufacturer for installation, maintenance, and troubleshooting.
  6. Proper Tools: Use the correct tools and equipment for maintenance and assembly tasks to prevent damage to the fluid coupling and ensure safe working conditions.
  7. Training: Ensure that personnel working with fluid couplings are adequately trained in their proper use, maintenance, and safety procedures.
  8. Inspections: Regularly inspect the fluid coupling for any signs of wear, leaks, or abnormalities that could pose safety risks. Address any issues promptly.
  9. Hot Work: Avoid performing hot work (e.g., welding, cutting) in the vicinity of fluid couplings, as the high-temperature fluids and components may present a fire hazard.
  10. Consult Experts: If in doubt or facing complex issues with fluid couplings, consult qualified experts or the manufacturer for guidance.

Adhering to these safety considerations will help minimize risks and ensure a safe working environment when dealing with fluid couplings.

China best Tower Crane Fluid Coupling Plastic Rubber Coupling Coupler for Tower Crane  China best Tower Crane Fluid Coupling Plastic Rubber Coupling Coupler for Tower Crane
editor by CX 2024-05-08


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