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 !
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Can you explain the Concept of Slip in a Fluid Coupling?
In a fluid coupling, slip refers to the relative speed difference between the impeller and the runner. When the impeller, which is connected to the driving shaft, rotates, it induces the flow of hydraulic fluid inside the coupling. This fluid flow in turn drives the rotation of the runner, which is connected to the driven shaft.
However, due to the operating principle of fluid couplings, there is always a certain amount of slip between the impeller and the runner. This slip occurs because the fluid coupling needs to allow for a small speed difference in order to transmit torque smoothly.
During startup or under heavy load conditions, the impeller’s rotational speed may be slightly higher than the runner’s rotational speed. This speed difference causes the hydraulic fluid to circulate between the impeller and the runner, generating hydrodynamic forces that transmit torque from the driving shaft to the driven shaft.
Slip is an inherent and controlled characteristic of fluid couplings, and it is essential for their smooth operation. However, excessive slip can lead to energy losses and reduced efficiency. Therefore, fluid couplings are designed to have an optimal slip value for specific applications, balancing the need for torque transmission and energy efficiency.
Contribution of Fluid Coupling to the Overall Efficiency of a Mechanical System
A fluid coupling plays a crucial role in improving the overall efficiency of a mechanical system, especially in applications where smooth power transmission, soft-starting, and torque control are essential. Here’s how a fluid coupling contributes to system efficiency:
1. Smooth Power Transmission:
Fluid couplings provide a smooth and gradual transfer of power from the driving to the driven machinery. The absence of direct mechanical contact between the input and output shafts reduces shock loads and vibrations, leading to less wear and tear on the connected equipment. This smooth power transmission results in increased system efficiency and reduced downtime.
2. Soft-Start Capability:
Fluid couplings offer soft-starting functionality, which is particularly beneficial for high-inertia or heavy-load applications. During startup, the fluid coupling allows the input shaft to gradually accelerate the output shaft, preventing sudden jerks or torque spikes. Soft-starting not only protects the mechanical components but also reduces energy consumption during the starting phase, contributing to overall efficiency.
3. Torque Control:
Fluid couplings enable precise control over the torque transmitted between the driving and driven machinery. By adjusting the fill level or using variable speed couplings, the torque output can be fine-tuned to match the requirements of the application. This feature ensures optimal performance and energy efficiency, especially in systems where torque demand varies during operation.
4. Overload Protection:
In case of sudden overloads or jamming of the driven machinery, the fluid coupling acts as a torque limiter. It will slip and absorb excess torque, protecting the mechanical system from damage. This overload protection not only safeguards the equipment but also contributes to the longevity and efficiency of the entire system.
5. Heat Dissipation:
Fluid couplings can absorb and dissipate heat generated during continuous operations. This heat dissipation capability prevents the system from overheating, ensuring consistent performance and avoiding thermal damage to the machinery. By maintaining proper operating temperatures, the fluid coupling aids in improving overall efficiency.
6. Energy Savings:
With its ability to reduce shock loads and provide smooth acceleration, a fluid coupling can help save energy during starting and stopping cycles. The elimination of mechanical shocks and vibrations reduces energy losses, resulting in higher overall energy efficiency.
In summary, a fluid coupling enhances the overall efficiency of a mechanical system by providing smooth power transmission, soft-start capability, precise torque control, overload protection, heat dissipation, and energy savings. Its contributions to reduced wear and tear, energy-efficient operations, and enhanced equipment lifespan make it a valuable component in various industrial applications.
Fluid Couplings and Energy Efficiency in Power Transmission
Fluid couplings play a significant role in improving energy efficiency in power transmission systems. They achieve this by enabling smooth and efficient torque transmission while reducing energy losses during various operating conditions.
One of the key factors contributing to the energy efficiency of fluid couplings is their hydrodynamic principle of operation. When power is transmitted through a fluid coupling, it operates on the principle of hydrodynamic power transmission. The primary component, known as the impeller, rotates and imparts motion to the fluid inside the coupling. This motion creates a hydrodynamic force that transmits the torque to the output side.
During the initial startup or when there is a significant speed difference between the input and output shafts, the fluid coupling allows the input shaft to accelerate gradually. This feature, known as the soft start, reduces the mechanical stress on the connected components and the power source. By avoiding sudden acceleration, fluid couplings minimize the energy spikes that occur during direct starts in systems without couplings.
Moreover, fluid couplings act as a torque limiter when the load exceeds a certain threshold. This characteristic, known as the slip, allows the fluid coupling to disengage slightly when the torque reaches a predetermined level. As a result, it protects the system from overloads and reduces energy wastage during high-stress conditions.
Additionally, fluid couplings help mitigate the impact of shock loads and torsional vibrations, which can reduce wear and tear on mechanical components. By minimizing vibrations and shock loads, fluid couplings contribute to longer equipment life and, consequently, lower maintenance and replacement costs.
However, it’s important to note that like any mechanical component, fluid couplings have some energy losses due to viscous drag and heat dissipation. While modern fluid couplings are designed with improved efficiency, these losses need to be considered when assessing the overall energy efficiency of a power transmission system.
In summary, fluid couplings enhance energy efficiency in power transmission by providing soft starts, torque limiting, and damping of vibrations, thus reducing energy wastage and extending the life of the connected equipment.
editor by CX 2024-04-23
by
Leave a Reply