Product Description
Customized Heavy Duty Gravity Motor Motorized Roller Belt Conveyor System Roller Rubber Lagging Drive Head Snub Bend Tail Conveyor Drum Pulley
Product Description
The drum is the main component that transmits power. It is divided into 3 types according to their load-carrying capacity: light, medium and heavy.
Light: Bearing aperture 80-100mm, the shaft and hub are single-width plate welded cylinder structure connected by single key.
Medium: Bearing aperture 120-180mm, the shaft and hub are expansion sleeve connection.
Heavy: Bearing aperture 200-220mm, the shaft and hub are expansion sleeve connection, and the drum body is cast-welded structure.
Conveyor pulley stays at 2 ends of belt machine. The pulley can be divided into 2 categories: Driving pulley and averting pulley, driving pulley is the main part for transmitting the power and there are 2 kinds of pulley sets: Smooth surface and rubber surface, and rubber surface can be classified into smooth rubber surface, herringbone rubber surface and CHINAMFG rubber surface to meet different technical requirements. Averting pulley can be classified into smooth rubber surface and smooth steel surface.
Technical Parameters
| Driving Pulley (rubber surface) | |
| Belt Width | Standard Diameter of Pulley |
| 500 mm | 500mm |
| 650 mm | 500mm,630 mm |
| 800 mm | 500mm,630mm,800mm,1000mm,1250mm,1400 mm |
| 1000 mm | 630mm,800mm,1000mm,1250mm,1400 mm |
| 1200 mm | 630mm,800mm,1000mm,1250mm,1400 mm |
| 1400 mm | 630mm,800mm,1000mm,1250mm,1400 mm |
| 1600 mm | 630mm,800mm,1000mm,1250mm,1400 mm |
| 1800 mm | 630mm,800mm,1000mm,1250mm,1400 mm |
| 2000 mm | 800mm,1000mm,1250mm,1400 mm |
| 2200 mm | 1000mm,1250mm,1400 mm |
| 2400 mm | 1000mm,1250mm,1400 mm |
| Bend Pulley (smooth surface & rubber surface) | |
| Belt Width | Standard Diameter of Pulley (mm) |
| 500 mm | 250,315,400,500 |
| 650 mm | 250,315,400,500,630 |
| 800 mm | 25,031,540,050,063,000,000,000,000 |
| 1000 mm | 250,315,400,500,630,000,000,000,000,000 |
| 1200 mm | 250,315,400,500,630,000,000,000,000,000 |
| 1400 mm | 315,400,500,630,800,000,000,000,000 |
| 1600 mm | 400,500,630,800,100,000,000,000 |
| 1800 mm | 400,500,630,800,100,000,000,000 |
| 2000 mm | 500,630,800,100,012,000,000 |
| 2200 mm | 630,800,100,012,501,000 |
| 2400 mm | 800,100,012,501,400 |
| Pulley Standard | |
| Brand | SPD |
| Specification | SPD-CP-0001 |
| Certificate | ISO/BV/SGS |
| Standard | CEMA/JIS/DIN/Australia |
| Application | Coal mining industry, cement, steel, harbour etc. |
| Place of Origin | HangZhou City , ZheJiang Province , China |
| Material Feature | Water, Wear, Dust resistance |
| Supply capacity | 80pcs/month |
| Management system | ISO 9001:2008,ISO 14001:2004,GB/T 28001-2001 |
Project Performance
Main Equipment & Facilitys
Industry products research and manufacture. Over 70 designers are responsible for the research and development of professional port handling systems, vessels, steel structures, and modular house businesses. Port handling system mainly involves belt and pipe conveyor systems, stackers, rollers, pulleys and other parts. Shipping products include types of tugboats, product oil tankers, oil spill disposal ships and other offshore oilfield service ships; marine leveling barges, dredgers, and other engineering vessels. We have also designed and rebuilt the first offshore mariculture platform in China, several recreational platforms and other marine fishery equipment.
New building materials processing business. The main products include color-coated sheets for home appliances and building construction, precision stamping parts. The new building materials products of RPIC is the PUR sandwich panel, rock wool sandwich panel. At the same time, RPIC has designed a variety of prefabricated houses, which can be widely used for vacation and camping housing, urban construction housing, make-shift housing, medical, exhibition, and other temporary housing fields.
Steel structure and equipment manufacturing. With the annual production capacity of steel structure for about 100,000 tons, RPIC’s business markets involve the equipment steel structure, public infrastructure, bridge steel structure, space steel structure and so on. We have successively undertaken projects of Ore Wharf belt Conveyor System in HangZhou Port and the HUANENG Power Plant Belt Conveyor Engineering, accumulating to more than 200 million square CHINAMFG of industrial workshop construction.
Maintenance of ship and mechanical & electrical equipment. RPIC has over 30 years’ experience in port equipment operation and maintenance. RPIC is the only enterprise specialized in port handling system and equipment maintenance business in HangZhou city and has successfully repaired and transformed CHINAMFG research ships, dredgers, floating dry dock, tugboat, and other types of ships.
FAQ
Q1:Can you send samples?
A:Of course, we can provide customers with free samples but customer should pay the courier fee.
Q2:What product information do I need to provide?
A:Please kindly provide the grade, width, thickness, surface treatment requirement and quantities you need to purchase.
Q3:What is your terms of payment ?
A: 30% T/T in advance ,balance before shipment or 100% LC at sight.
Q4.Do you provide customer made Products service?
A: Yes,if you have your own design , we can produce according to your specification and drawing.
Q5:How long does your delivery time take?
A:In general, our delivery time is within 7-15 days, and may be longer if the quantity is extremely large or special circumstances occur.
Q6: How many countries you already exported to?
A:We have exported to America, Canada, Brazil, Chile, Colombia, Thailand, Myanmar, Vietnam, and other African countries.Our export experience is rich, we familiar with different market demands, can help customers avoid a lot of trouble.
Q7:Can I go to your factory to visit?
A:Of course, we welcome customers from all over the world to visit our factory.
Q8:Does the product have quality inspection before loading?
A:Of course, all our products are strictly tested for quality before packaging, customers can appoint third parties to inspect the products before loading too.
Q9:How to pack the products?
A: Standard export sea-worthy packaging, the inner layer has a waterproof paper outer layer with iron packaging and is fixed with a fumigation wooden pallet. It can effectively protect products from corrosion and various climate changes during CHINAMFG transportation.
Q10:What is your working time?
A:In general, our online service time is ZheJiang time: 8:00-22:00, after 22:00, we will reply to your inquiry in the coming working day.
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| Material: | Carbon Steel |
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| Surface Treatment: | Baking Paint |
| Motor Type: | Frequency Control Motor |
| Samples: |
US$ 100/Piece
1 Piece(Min.Order) | Order Sample |
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| Customization: |
Available
| Customized Request |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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How does the diameter of a pulley affect its mechanical advantage?
The diameter of a pulley plays a significant role in determining its mechanical advantage. Mechanical advantage refers to the ratio of the output force or load to the input force or effort applied to the pulley system. Here’s how the diameter of a pulley affects its mechanical advantage:
1. Larger Diameter: When the diameter of a pulley increases, the mechanical advantage also increases. A larger diameter means that the circumference of the pulley is greater, allowing a longer length of rope or belt to be wrapped around it. As a result, a larger pulley requires less effort force to lift a given load. This is because the load is distributed over a greater length of rope or belt, reducing the force required to overcome the load.
2. Smaller Diameter: Conversely, when the diameter of a pulley decreases, the mechanical advantage decreases. A smaller diameter means that the circumference of the pulley is reduced, resulting in a shorter length of rope or belt wrapped around it. As a result, a smaller pulley requires more effort force to lift a given load. This is because the load is concentrated over a shorter length of rope or belt, requiring a greater force to overcome the load.
It’s important to note that while a larger diameter pulley offers a greater mechanical advantage in terms of reducing the effort force required, it also results in a slower speed of the load being lifted. This is because the longer length of rope or belt requires more input distance to achieve a given output distance. On the other hand, a smaller diameter pulley offers a lower mechanical advantage but allows for a faster speed of the load being lifted.
The mechanical advantage of a pulley system can be calculated using the formula:
Mechanical Advantage = Load / Effort
Where “Load” refers to the weight or force being lifted and “Effort” refers to the force applied to the pulley system. By adjusting the diameter of the pulley, the mechanical advantage can be optimized to suit the specific requirements of the application, balancing the effort force and speed of the load being lifted.
What role do pulleys play in modern elevators and hoists?
Pulleys play a crucial role in modern elevators and hoists, enabling the smooth and efficient vertical movement of loads. They are integral components of the lifting mechanisms, providing mechanical advantage and facilitating safe and controlled operation. Here’s how pulleys are used in modern elevators and hoists:
1. Lifting Mechanism: In elevators and hoists, pulleys are part of the lifting mechanism that moves the load vertically. They are typically combined with cables, ropes, or belts to create a pulley system. By distributing the load’s weight across multiple lines and changing the direction of the applied force, pulleys make it easier to lift heavy loads. The number and arrangement of pulleys can vary depending on the specific design and requirements of the elevator or hoist.
2. Counterweight Systems: Modern elevators often utilize counterweight systems to offset the weight of the elevator car and reduce the amount of power required for operation. Pulleys play a crucial role in these systems by guiding the cables connected to the counterweight. As the elevator car moves up or down, the counterweight moves in the opposite direction, balancing the load. The pulleys in the counterweight system help distribute the weight and ensure smooth movement.
3. Traction Control: Pulleys are also involved in the traction control mechanism of elevators and hoists. Traction elevators use ropes or belts that pass over a series of pulleys, known as sheaves, to create traction. An electric motor drives the sheaves, causing the ropes or belts to move. By adjusting the rotational movement of the sheaves, the speed and direction of the elevator or hoist can be controlled. The pulleys in the traction control system enable precise and reliable operation.
4. Safety Systems: Pulleys play a crucial role in the safety systems of elevators and hoists. For example, in traction elevator systems, overspeed governors utilize pulleys to detect excessive speed and activate the safety brakes in case of a malfunction. The pulleys in these safety systems help monitor and control the elevator’s speed, ensuring passenger safety.
5. Maintenance and Service: Pulleys in modern elevators and hoists are designed to be durable and require minimal maintenance. They are often equipped with sealed bearings or other lubrication systems to reduce friction and wear. This ensures the longevity and reliability of the pulley systems, minimizing downtime and maintenance costs.
Overall, pulleys are essential components in modern elevators and hoists, enabling vertical movement, providing mechanical advantage, ensuring safety, and facilitating efficient operation. They contribute to the smooth and controlled lifting of loads, making elevators and hoists reliable and indispensable tools in various industries and buildings.
What are the advantages of using pulleys for mechanical advantage?
Using pulleys for mechanical advantage offers several advantages in various applications. Here are the key advantages:
1. Increased Lifting Capacity: One of the primary advantages of using pulleys for mechanical advantage is that they allow for the lifting of heavier loads with less effort. By distributing the load over multiple segments of rope or belt, pulleys reduce the amount of force required to lift the load. This is especially beneficial in scenarios where manual lifting or limited power is involved.
2. Easier Load Manipulation: Pulleys make it easier to manipulate and control heavy loads. The mechanical advantage provided by pulleys reduces the force needed to move or lift the load, allowing operators to exert less effort. This makes tasks such as lifting, lowering, and positioning heavy objects more manageable and less physically demanding.
3. Safety and Injury Prevention: By reducing the amount of force required to lift heavy loads, pulleys contribute to improved safety and injury prevention. When operators have to exert less physical effort, the risk of strains, sprains, and other lifting-related injuries is significantly reduced. Pulleys enable controlled and smoother load movement, minimizing the risk of sudden shifts or drops that could cause accidents.
4. Precise Load Positioning: Pulley systems provide precise control over load positioning. By using multiple pulleys and adjusting the tension in the rope or belt, operators can achieve precise vertical and horizontal movements of the load. This level of control is particularly valuable in applications that require accurate placement of heavy objects, such as construction, manufacturing, and material handling.
5. Versatility and Adaptability: Pulleys offer versatility and adaptability in various applications. They can be configured in different arrangements and combinations to achieve specific mechanical advantages based on the requirements of the task or load. Pulleys can be easily integrated into existing systems or incorporated into custom-designed setups, making them highly adaptable to different situations.
6. Efficient Power Transmission: Pulleys provide efficient power transmission in mechanical systems. They enable the transfer of rotational motion and force from one component to another with minimal energy loss. The use of pulleys allows for the optimization of power transmission, ensuring effective utilization of available power sources.
7. Cost-Effectiveness: Using pulleys for mechanical advantage can be cost-effective compared to alternative methods. Pulleys are relatively simple and economical devices that can be readily obtained. They require minimal maintenance and have a long operational lifespan. Additionally, pulley systems can often be designed and implemented without the need for complex and expensive equipment.
In conclusion, using pulleys for mechanical advantage offers advantages such as increased lifting capacity, easier load manipulation, safety and injury prevention, precise load positioning, versatility, efficient power transmission, and cost-effectiveness. These advantages make pulleys a valuable tool in a wide range of industries and applications.
editor by CX
2024-01-24
