Tag Archives: double pulley

China Professional Customized Heavy Duty Motorized Tail Rubber Lagging Drive Motor Gravity Head Belt Roller Conveyor Drum Pulley Price double pulley

Product Description

Customized Heavy Duty Motorized Tail Rubber Lagging Drive Motor Gravity Belt Conveyor Head Roller Drum Pulley Price

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.

 

Shipping Cost:

Estimated freight per unit.



To be negotiated
Material: Carbon Steel
Surface Treatment: Baking Paint
Motor Type: Frequency Control Motor
Samples:
US$ 100/Piece
1 Piece(Min.Order)

|

Order Sample

Customization:
Available

|

Customized Request

pulley

Can pulleys be used in both simple and complex mechanical systems?

Yes, pulleys can be used in both simple and complex mechanical systems. Pulleys are versatile mechanical devices that can be incorporated into a wide range of systems to transmit power, change direction, or provide mechanical advantage.

In simple mechanical systems, pulleys are often used to create a mechanical advantage by reducing the effort force required to lift or move a load. For example, a simple pulley system with a single fixed pulley can distribute the load’s weight over multiple strands of rope or cable, reducing the force needed to lift the load. Simple pulley systems are commonly used in applications such as flagpoles, well buckets, or manual hoists.

In more complex mechanical systems, pulleys can be part of intricate arrangements to achieve specific functions. They can be combined with multiple pulleys, belts or ropes, and other mechanical components to create complex systems for power transmission, tensioning, or precise control. Examples of complex systems that utilize pulleys include conveyor belt systems, industrial machinery, cranes, and elevators.

Pulleys offer several advantages in both simple and complex mechanical systems:

1. Mechanical Advantage: Pulleys can provide a mechanical advantage by distributing the load’s weight over multiple strands of rope or belt, reducing the effort force required to lift or move the load.

2. Direction Change: Pulleys can change the direction of the force applied, allowing for redirection of motion or routing of belts or ropes around obstacles.

3. Speed Adjustment: By adjusting the size of pulleys and the number of pulley systems, the speed of the output motion can be modified relative to the input motion.

4. Power Transmission: Pulleys are effective in transmitting power between shafts or components, allowing for the transfer of rotational motion and torque.

5. Versatility: Pulleys can be used with different types of belts or ropes, such as flat belts, V-belts, timing belts, or wire ropes, providing flexibility in design and application.

Whether in simple or complex mechanical systems, the selection, arrangement, and sizing of pulleys should be carefully considered to ensure proper functionality, efficiency, and safety. Manufacturers’ guidelines, engineering principles, and best practices should be followed when incorporating pulleys into mechanical systems.

pulley

How do pulleys work in garage door openers and winches?

Pulleys play a crucial role in both garage door openers and winches, enabling the smooth and efficient operation of these devices. They provide mechanical advantage, facilitate load lifting and lowering, and contribute to the overall functionality and safety of garage door openers and winches. Here’s how pulleys work in each of these applications:

1. Garage Door Openers:

In a typical garage door opener system, pulleys are used in conjunction with a motor, drive belt or chain, and a set of cables or torsion springs. The pulleys are mounted on the garage door’s torsion bar or header, and the cables or springs are connected to the bottom of the door. Here’s how the pulleys work in a garage door opener:

– Motor and Drive Mechanism: The motor drives a pulley or sprocket, which is connected to a drive belt or chain. As the motor rotates the pulley, the drive belt or chain moves, transferring rotational motion to another pulley or sprocket mounted on the torsion bar.

– Torsion Bar and Cables: The torsion bar, equipped with a pulley, is located above the garage door. The cables are threaded through the pulleys and attached to the bottom of the door on each side. When the motor rotates the torsion bar pulley, the cables move, causing the garage door to open or close.

– Mechanical Advantage: By using pulleys, the garage door opener system creates a mechanical advantage. The arrangement of the pulleys and cables or springs helps distribute the load, making it easier for the motor to lift the heavy garage door. This mechanical advantage reduces the strain on the motor and ensures smooth and controlled movement of the door.

2. Winches:

Pulleys are also integral components of winches used for lifting and pulling heavy loads. Winches consist of a drum or spool around which a cable or rope is wrapped, and pulleys are used to guide and redirect the cable or rope. Here’s how pulleys work in a winch:

– Load Lifting: The cable or rope is wound around the winch drum, and one end is attached to the load to be lifted or pulled. The other end is connected to a fixed point or a secondary pulley system. As the winch drum rotates, the cable or rope is wound or unwound, allowing the load to be lifted or lowered.

– Pulley Systems: Pulleys are used in winches to redirect the cable or rope, providing a mechanical advantage and ensuring smooth movement. Additional pulleys may be employed to create a block and tackle system, further increasing the mechanical advantage and the winch’s lifting capacity.

– Control and Safety: Winches often incorporate braking systems and clutches to control the movement and secure the load. Pulleys play a role in these control mechanisms, helping to regulate the winch’s speed and provide reliable stopping and holding power.

Overall, pulleys are essential components in garage door openers and winches, enabling the smooth and controlled movement of heavy loads. They provide mechanical advantage, facilitate load lifting and lowering, and contribute to the efficiency and safety of these devices.

pulley

Can you explain the basic principles of pulley mechanics?

Pulley mechanics are based on a few fundamental principles that govern the operation of pulley systems. Here’s an explanation of the basic principles:

1. Mechanical Advantage: The primary principle of pulley mechanics is mechanical advantage. A pulley system allows for the multiplication of force applied to the rope or belt. By distributing the force over multiple segments of the rope or belt, the load becomes easier to lift or move. The mechanical advantage gained depends on the number of pulleys used in the system. The more pulleys in the system, the greater the mechanical advantage.

2. Force Transmission: When a force is applied to one end of the rope or belt, it creates tension that causes the pulley to rotate. As the pulley turns, the force is transmitted to the load attached to the other end of the rope or belt. This force transmission allows for the movement and manipulation of objects in pulley systems.

3. Directional Change: One of the key principles of pulley mechanics is directional change. A pulley system enables the operator to change the direction of the applied force. By redirecting the force along a different path, a pulley system allows for force to be exerted from a more convenient or advantageous position. This directional change is particularly useful in situations where the force needs to be applied vertically, horizontally, or at an angle.

4. Conservation of Energy: Pulley mechanics also adhere to the principle of conservation of energy. The work done on the load by the applied force is equal to the work done against the load’s weight. Through the pulley system, the input force is transformed into an output force that moves or lifts the load. The energy input and output remain the same, but the pulley system allows for the distribution and transformation of forces to achieve the desired mechanical advantage.

5. Speed and Torque Conversion: Pulleys can also be used to convert speed and torque in mechanical systems. By varying the size of the pulleys or using pulleys of different diameters, the rotational speed and torque can be adjusted according to the requirements of the system. This speed and torque conversion allows for the optimization of power transmission and the matching of different rotational speeds between input and output components.

6. Multiple Pulley Systems: Pulleys can be combined in systems to achieve increased mechanical advantage or to create complex motion patterns. In systems with multiple pulleys, such as block and tackle arrangements, the load is distributed over several segments of rope or belt, further reducing the effort required to lift heavy objects. These systems are often used in cranes, elevators, and other applications where heavy lifting is necessary.

These basic principles of pulley mechanics form the foundation for the understanding and application of pulleys in mechanical systems. By harnessing mechanical advantage, force transmission, directional change, conservation of energy, and speed/torque conversion, pulley systems provide a versatile means of lifting, moving, and manipulating loads in various applications.

China Professional Customized Heavy Duty Motorized Tail Rubber Lagging Drive Motor Gravity Head Belt Roller Conveyor Drum Pulley Price   double pulley	China Professional Customized Heavy Duty Motorized Tail Rubber Lagging Drive Motor Gravity Head Belt Roller Conveyor Drum Pulley Price   double pulley
editor by CX