China OEM Single Pulley Block /Hook Type Cable Pulley for Opgw Cable Install with Good quality

Product Description

Single Pulley Block /Hook Type Cable Pulley for OPGW Cable Install

Features:

1.Used to string optical fiber cable.
2.ISO9001Certificate
3.High quality,Reasonable price,good service
4.23 years experience
1.It is widely used to the stringing  and laying in power transmission
2.Various types with different grooves.

Pulley for optical cable:

(1) Specially designed for the laying out of ADSS and/or OPGW optical cable
(2) Wheel is made by MC nylon material, which won't damage optical cable sheath during cable lays out

Technical data sheet:

Item Model Suitable conductor Rated breaking load(KN) Weight(KG) Remark
10191 SHDN-120x30 LGJ25-70 5 1.5 Nylon roller
10192 SHDN-160X40 LGJ95-120 10 2.5
10193 SHDN-200X40 LGJ150-240 15 3.6
10194 SHDN-200X60 LGJ150-240 15 4
10196 SHDN-250X60 LGJ300-400 20 4.5
10198 SHDN-320X60 LGJ300-400 20 6.7
10199 SHDN-400X80 LGJ400-500 20 13

Note:

  1. There are 2 type cable rollers,Hook type and plate type,Please indicate the type when you book.,Special specification can be customized.
  2. Data in the model list is cable roller diameter x roller width(mm).

Warehouse:

Installation Xihu (West Lake) Dis.:

Certificate:

 

Advantages:
Reliability
Powtech has been engaged in designing and manufacturing ADSS/OPGW cable,Cable accessories nearly for 20 years.
Powtech professional design teams and strict quality control systems ensure each product from Powtech is reliable and ideal deals.
Powtech quality products meet the demands of many clients all around the world well according to their specific requirements.
FasteDelivery
With our own factory and product line, we can ensure faster delivery in the industry.
Further more, we have accumulated rich resources in shipping channels, which also promise our faster delivery time.
Powtech standard cases can be finished within 7 days and those custom-made within 8 days.
LowePrice
Powtech are committed to providing the best products for money of our customers all over the world.
Powtech has its own factory and massive production line,Which ensures that we can procure all materials at a lower purchasing cost than our competitors.
We promise that all products from Powtech are the most affordable in the industry.
 
Why Choose Us?
1.Strict quality control system
 
2.Factory direct-sales,Lower purchasing cost
 
3.Professional,efficient after-sales service,Time and manpower saving
 
4.Experienced workers team,Advanced technicians,Sophisticated equipment
 
5.Small trial order/OEM product/artwork is acceptable
 
6.ADSS/OPGW cable,cable accessories supplier for 20 years from China,ISO certificated
 
 
FAQ
Q1:Can u provide us with samples?
Powtech answer:Yes, we can provide 1-2 pieces free samples, But u should pay express 
cost or u provide us with express account number.
 
Q2:If we need customized/OEM product,Can u supply?
Powtech answer:Yes,Customized/OEM product/artwork is available for us.Professional 
designers,Advanced technicians and mold modifications department ensure that we will make 
the exact model for u accordingly.
 
Q3:If u can accept small trial order?
Powtech answer:Yes,Small trial order can be available also,But u should pay 100% T/T down 
payment before production.
 
Q4:What payment terms available for u?
Powtech answer:If order amount less than 10000USD,100% T/T;If amount more than 
10000USD,30%T/T in advance plus 70%T/T before shipment.
U can place an order via Alibaba website,Which is also very safe 
and has payment protection for u.
 
Q5:Can u offer discount ?
Powtech answer:Yes,Discount available on large order.The larger the order,The more 
discount we will offer.
 
Q6:What is ur delivery time?
Powtech answer:Usually,Delivery will be made within 2 weeks after down payment;If order very 
large,1 month we will need.Please note,Delivery time is production time,Shipping time not 
included,If u want to know,We can help u consult shipping company for details. 
 
 
 
 
 
 
 
 

Types of pulleys and their advantages and disadvantages

There are several types of pulleys. Learn the basic equations of the pulley system. Then learn about the different uses for pulleys. The disadvantages of using pulleys will be covered. Knowing these, you can buy the pulley that suits your needs. Here are some of the best pulley types and their pros and cons.
pulley

Basic equations of pulley systems

A pulley system is a mechanism that allows 2 blocks of a certain mass to be connected by a taut rope. The acceleration of each block is the same in magnitude and direction. The external force acting on each block is the weight of the block (10g) and the tension in the string. The tension between the 2 blocks is the total tension and the force acting on the pulley is the weight of the 2 blocks.
This simple mechanism uses 2 simple equations to explain how the system works. First, the mass of the weight on both sides of the pulley must be the same. When the weight is forced to move, the rope tightens and the second pulley descends. The weight is also attached to the second pulley and must be the same distance as the first pulley. This will result in a speed ratio of 2 times the distance covered by the first pulley.
Second, we have to calculate the force required to lift the object. The lower mass is supported by a wire configuration passing through all pulleys, while the uppermost pulley is used to apply the force. The lower block is used to support the weight. The applied force needs to travel a distance nx to move the weight. This distance, called MA, can be written as:
Once we have gathered the necessary information, we can apply the calculations to the pulley system. We can also use the Mechanical Advantage Calculator to calculate the force on the anchor. To do this, we must apply a force to the load as well as to the pulley itself. Using this equation, we can calculate the force required by the load to lift the load.
pulley

Types of pulleys

There are 3 basic types of pulleys: movable, fixed and compound. Both types of pulleys translate the force applied to them. The ideal mechanical advantage of pulleys is two. This is because a single movable pulley only doubles the force, whereas a compound pulley doubles or triples the force. This type of pulley is often used with other types of pulleys.
Movable pulls move with the weight of the load, and the force pulling them increases on the lift side. They are often found in utility elevators and construction cranes. These systems are very simple, inexpensive and quiet to use. The force required to lift the object depends on the mechanical advantage of the system. The 2 most common types of pulleys are listed below. Let's take a closer look at each one.
V-shaped pulleys are used in vehicles and electric motors. These pulleys require a "V" belt to function properly. Some have multiple "V" grooves to avoid slipping. They are used in heavy duty applications to reduce the risk of power slip. These pulleys also have more than 1 "V" groove. V-belt pulleys are commonly used in vehicles and electric motors.
Composite pulleys are made from more than 1 type of cable or rope wrapped around the wheel. They can be fixed or hinged and are usually made of stainless steel or bronze. Composite pulleys have multiple layers and can be a single unit or many different components. There are 3 main types of pulleys: fixed pulleys and composite pulleys. These are the most common types. Almost every type of pulley is used for some type of application.
Fixed pulleys have 1 advantage over movable pulleys: they change direction as the weight of the load increases. They are typically used in heavy construction equipment. Gun tackles, patio tackles, and stationary tackles are examples of equipment that use a pulley mechanism. These devices are very common and can be found on most modern construction sites. They provide great convenience for lifting large loads.

application

What are the applications of pulleys? Simply put, a pulley is a mechanical device that transforms a difficult task into an easier one. It consists of ropes and pulleys. It is usually used to lift objects. Usually, people wrap a rope around a pulley and pull up to lift the object. One disadvantage of using pulleys is that they require the same force as lifting the object directly.
One of the most popular applications of pulleys is lifting heavy objects. They help people pull up heavy objects and blocks. The system can also be used in seeders, lifts, grinders, etc. Other applications include raising flags, loading cargo, pulling curtains and rock or mountain climbing. Students can learn about the various uses of pulleys and the physics behind them.
Pulleys can be made of many different materials, depending on the application. Some are movable, which means they move with the object they are used to lift. This pulley system can be made of nylon, wire rope or fiber material. The best part about these systems is that they are easy to install and maintain. For a better grasp, use the guide or video tutorial to learn more about the pulley system and how it works.
Tapered pulleys are common in paper mills. They are high-quality pulleys that transmit power to connected parts. They can be dynamic or static and have different balances. Because pulley systems are highly customized, most industrial applications require systems designed specifically for specific applications. In this way, the system is safe, simple and inexpensive. The benefits of this design are endless.
The most common use of pulleys is for motor drives. They are used to minimize noise by applying force to the shaft to reduce the workload. They are also less expensive than gears and do not require lubrication. Furthermore, they can change the direction of the applied force. They are also less expensive than gears and are often used with other components. A screw is a cylindrical member with helical ribs used to connect something.
pulley

shortcoming

Although the pulley system makes it easier to move heavy objects, it still has some drawbacks. When using a pulley system, you must remember that the force required to lift the weight increases with the number of cycles. In addition, the distance between the puller and the heavy object increases, which may lead to accidents. Also, moving heavy objects can be tricky if the rope slips. Pulley systems are not very expensive and can be easily assembled. However, it does require a lot of space.
First, it is not efficient. Besides being inefficient, pulleys produce different forces at different speeds. Fixed pulleys use more force than the load, while movable pulleys move with the load. A movable pulley requires less force than a fixed pulley, but the combined system travels a long distance. Therefore, this method is not as efficient as the fixed method.
Pulleys are not only used in industrial processes. You can see them in various places in your daily life. For example, large construction cranes use pulleys to lift heavy loads. Even flagpoles, blinds, clotheslines, ziplines, motors and climbing equipment use pulleys. Still, despite their advantages, the disadvantages are not too serious.
Another disadvantage of the pulley is its wear and tear. While a pulley's housing is theoretically infinite, its bearings and locking components typically wear out over time. To overcome this problem, a new bearing and locking assembly can be installed. No need to replace the housing and shaft, the entire assembly can be re-bonded and painted to replicate the original look. Alternatively, the pulley can be replaced with a new housing and shaft.
Using pulleys can also reduce the advantage of pulleys. On the other hand, interception and tackle is a system in which 2 pulleys are connected to each other using ropes. Unlike pulleys, pulley pulley systems can be adjusted in the direction of travel and can move heavy loads up to 4 times their force when used in hydraulic lifts.

China OEM Single Pulley Block /Hook Type Cable Pulley for Opgw Cable Install   with Good qualityChina OEM Single Pulley Block /Hook Type Cable Pulley for Opgw Cable Install   with Good quality