Product Description

PRODUCT INTRODUCTION

PRODUCT OVERVIEW
 

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.
 

TECHNICAL PARAMETER

1. Radial run-out of the outer drum

2. Wall thickness difference
b=6~10mmand ≤1.30mm, b=12~28mmand ≤1.80mm

3. The accuracy of drum static balance is up to G40

 
 

COMPANY PROFILE
 

ABOUT US
 

ZheJiang Xihu (West Lake) Dis.n Electric Co., Ltd. is located in HangZhou, the largest anthracite base in China. Founded in May 2003, the company’s registered capital was RMB 114 million, with total assets of RMB 815 million and the existing staff of over 1100. At present, our company has 6 industrial parks, divided into Xihu (West Lake) Dis.ng Industrial Park, Four Mining Industrial Park, Lock Spring Industrial Park, HangZhou Industrial Park, Xihu (West Lake) Dis. Remanufacturing Park, and Xihu (West Lake) Dis. Remanufacturing Park, covering a total area of over 650 acres.

 

Our company has more than 30 patents now, mainly engaged in the R&D and production of intelligent electric automation, intelligent transportation and lifting, intelligent warehousing, power system, ventilation fluid and other series of over 80 products.

Our company has registered 5 R&D institutions in ZheJiang , HangZhou, ZheJiang and HangZhou, laying a solid foundation for technical upgrading and renewing generation for products.  And it has been responsible for the production of the high-efficiency, energy-saving core technology products required by the national Eleventh Five-year plan, and the research and  development of the high-efficiency permanent magnet motor and frequency conversion control,  the key projects of national energy-saving for the Twelfth Five-year plan.

CERTIFICATIONS
 

AWARDS

1.High-tech Enterprise, Provincial Technology Center
2.Two-phase Fusion Demonstration Enterprises
3.China Quality and Integrity Enterprise
4.ZheJiang Top 100 Enterprises
5.ZheJiang Top 100 Manufacturing Enterprises
6.Following Contract and Observing Credit Enterprise
7.ZheJiang Quality and Reputation AAA-Class Enterprise
8.Small and Medium-sized Enterprises of Science and Technology
9.Technology Center of ZheJiang Small and Medium-sized Enterprises
10.ISO9001 Quality Management System
11.ISO14001 Environmental Management System
12.ISO18001 Occupational CZPT and Safety Management System
13.National CZPT Program
14.Golden Bridge Award of China Technical Market
15.Measurement Guarantee Unit

ACHIEVEMENTS

1.The first production enterprise in rare earth flameproof permanent magnet motor and flameproof flat coil core transformer for mining.
2.One of the country’s 3 major mining transformation production bases, and the largest coal machine equipment manufacturing enterprise in ZheJiang province.
3.The permanent magnet direct drive motor and frequency conversion control produced by our company, have put into use in HangZhou Coal Industry Group, ZheJiang Coal and Chemical Industry Group, HangZhou Coal Industry Group and other major coal industry groups.
4.Distribution transformer products have been successfully shortlisted as qualified suppliers for National Power Grid and China Southern Power Grid.

ATTENTION

1. The payment term: We accept TT, 30% deposit and 70% balance against copy of BL.
2. The delivery time: Usually it will take about 3 months.
3. The standard of package: Usually use strong plywood case for protection.
4. Warranty: In 12 months since BL date.

SERVICE

1. Reply within 24 hours.
2. Perfect service commitment.
3. Provide services during the pre-sales, in-sales and after-sales, all the way (Including quality warranty).
4. Be free of charge in training and tutoring after sales.

CONTACT US

Foreign Trade Manager: Miss Yue Ding
 

The benefits of using pulleys

A pulley is a mechanical device that converts force into rotation. There are many advantages to using pulleys. Let’s take a look at a few of them. This article will describe the advantages, types, applications, and power sources of pulleys. You can then choose the pulley that best suits your specific needs. If you’re looking for a new tool to help you with a certain task, this article is for you.

Mechanical advantage

The mechanical advantage of a pulley can be defined as the ratio of applied force to the applied force. The mechanical advantage of a pulley can be calculated by considering several factors, including weight and friction. It can be calculated by the force applied per unit length of rope and the number of pulleys used. In a single-circuit system, the force required to lift a heavy object is equal to the user’s body weight.
The mechanical advantage of a pulley can be realized by comparing it to a seesaw. Both uses of rope are suitable for lifting objects. A rope 4 times heavier than a kilo is 4 times as effective. Because the forces on both sides of the pulley are equal, a small force is enough to move a large weight a short distance. The same force can be applied to a large mass to lift it several meters.
After introducing the concept of mechanical advantage, learners will practice using the pulley system. In addition to testing the pulley system, they should also calculate its mechanical advantage. Using either the instructor-provided handout or the learner’s workbook, students will determine how easily the pulley system functions. Once they have completed the test, they can discuss their results and how the system can be improved. These courses are best completed as part of a mini-unit or as a standalone main course.
The mechanical advantage of the pulley system is proportional to the number of rope loops. This circuit requires the same force as the dual circuit to lift heavy objects. A single lap requires only a third of the force to lift a double lap, while 3 laps require almost half the energy required for a single lap. The mechanical advantage of the pulley system becomes constant as the number of cycles increases.
The 3:1 Mechanical Advantage system feels like lifting a 300-pound load with 3 feet of rope. The three-foot-long rope moves the load 1 foot high. Understanding the mechanical advantages of pulleys is critical for rescuers when trying to create the perfect pulley system. Ideally, the pulley system will be anchored to a nearby rock, tree, pole or person – if the weight is not too heavy.

Types of pulleys

There are several types of pulleys. V-belt pulleys are the type commonly used in vehicles and electric motors. “V” pulleys require a “V” belt, and some even have multiple V grooves. “V” pulleys are often used in heavy duty applications for power transmission because they reduce the risk of power slippage.
Composite pulleys combine the properties of fixed and movable pulleys. Compound pulleys are able to change the direction of force while requiring relatively low force to move even the heaviest loads. Mechanical advantage is a measure of the effectiveness of a machine or equipment. It can be divided into 3 categories: force, distance and mechanics. Once you understand how each type works, you can design complex machines.
Fixed pulleys: These pulleys are the most basic type of pulleys. They use ropes and slotted wheels to move with the lifted object. Because they are so simple to set up, lifting heavy objects is a breeze. Although the moving object feels light, it is actually heavier than it actually is. These pulleys are used in construction cranes, utility elevators and many different industries.
Compound Pulley System: A pulley pulley is a combination of 2 fixed pulleys and 1 movable pulley. Compound pulley systems are effective for moving heavy objects because they have the largest force multipliers and are flexible enough to change the direction of the force as needed. Composite pulley systems are commonly used in rock climbing, theater curtains and sailing. If you’re looking for a pulley system, you can start by evaluating the types of pulleys and their uses.
Construction Pulleys: These are the most basic types of pulleys and have wheel rails. These pulleys can be lifted to great heights and attached to chains or ropes. They allow workers to access equipment or materials from greater heights. They are usually mounted on wheels with axles and secured with ropes. They are essential tools for construction workers. There are many different types of pulleys out there.

energy source

Belts and pulleys are mechanical devices used to transmit energy and rotational motion. The belt is connected to the rotating part of the energy source, and the pulley is mounted on the other. One pulley transmits power to the other, while the other changes the direction of the force. Many devices use this combination, including automobiles, stationary generators, and winches. It is used in many home applications, from conveyors to treadmills. Pulleys are also used for curtains in theater halls.
Pulley systems are an essential part of modern industry and everyday life. Pulleys are used in elevators, construction sites and fitness equipment. They are also used in belt-driven generators as backup power. Despite their simple and seemingly humble beginnings, they have become a versatile tool. From lifting heavy objects to guiding wind turbines, pulley systems are widely used in our daily lives.
The main reason why pulleys are so popular is the mechanical advantage they offer. They can lift a lot of weight by applying very little force over longer distances. For example, a small motor can pull 10 meters of cable, while a large motor can pull 1 meter. Also, the work done is equal to the force times the distance traveled, so the energy delivered to the large motor is the same.
The power source for the pulley system can be cables, belts or ropes. The drive element in a pulley system is usually a rope or cable. A belt is a loop of flexible material that transmits motion from 1 pulley to another. The belt is attached to the shaft and a groove is cut in the pulley. The belt then transfers energy from 1 pulley to the other through the system.

application

A pulley is a mechanical device used to lift heavy objects. They reduce the amount of work required to lift heavy objects and are an excellent choice for many applications. There are several different applications for pulleys, including elevators, grinders, planters, ladder extensions, and mountaineering or rock climbing. Let’s take a look at some of the most popular uses for pulleys in modern society. These include:-
A pulley is a mechanical device that changes force. To use, you wrap the rope around it and pull down to lift the object. While this device is very useful, a major limitation of using pulleys is that you still have to apply the same force to lift the object as you would without the pulleys. This is why people use pulleys to move large objects like furniture and cars.
In addition to lifting heavy objects, pulleys are used in elevators, flagpoles and wells. These systems allow people to move heavy objects without straining their backs. Many other examples of pulleys in the home include garage doors, flagpoles, and elevators. They also help raise and lower flagpoles, which can reach several stories high.
There are 2 basic types of pulleys: movable and fixed. Fixed pulleys are attached to a ceiling or other object using 2 ropes. Modern elevators and construction cranes use movable pulleys, as do some weight machines in gyms. Composite pulleys combine movable and fixed pulleys to minimize the force required to move heavy objects.
Another type of fixed pulley is the flagpole. A flagpole can support a country, organization, or anything else that needs to be lifted. A taller flagpole creates a prouder moment for those who support it. The operation of the rope and pulley mechanism is very simple. The user simply attaches the flag to the rope, pulls the pulley, and he or she can watch the flag rise and unfold.