Product Description

Strong Strength Crane Lifting Hook Pulley for Sale

ZheJiang CZPT Heavy Industry Machinery Co., Ltd. is mainly engaged in the design, manufacture,installation and maintenance of single girder overhead cranes(LD Models), Double Girder Overhead Cranes (LH,QD etc),gantry cranes(MH,MDG..),Jib cranes(BZ,QZ,MZ etc),  frequency inverter cranes, Explosion-proof series cranes(LB,QB etc), Cranes with grab bucket, Low headroom  Hoist, Electric Winches, Construction Cranes, Clean Room Cranes and CD1 MD1 HC Electric Hoist, Hand Chain Hoist ETC…

We are a member of China Lifting Industry Association, safety-recognized enterprise, national crane machinery designated production organizations, we have obtained mechanical engineering “design certificate”, and the national issued crane “manufacturing permit”,installation and maintenance, renovation and maintenance of the “License” and so on.

In the past 10 years, we are aiming at China domestic market and become a leading manufacturer in China. Also, with the help of China trading companies  we have exported our products to many countries such as Vietnam, Philippines, Sri Lanka, Bangladesh, France, Dubai, Kazakhstan, Russia, Tanzania ,Peru , Newzealand,etc countries .  We got 99% good feedback from the overseas customers. 

Now we are not only aiming at China domestic market growth ,but also to expand the international market with our quality and price advantages.  Send us an inquiry now.

The company has 6 functional departments, including R&D department, sales department, materials supply department, production department, QC department,after-sales department. There are 16 workshops including electrical, riveting, forging, assembly, heat treatment, machining and maintenance.

Our company produces various lifting equipment and loading and unloading. The equipment is 30,000 tons and the sales income is 360 million yuan. 18 offices and 76 sales and service agencies in power plants, industrial and mining enterprises, and port terminals.

We offer all kinds of mechanial parts and electric parts for overhead cranes, jib cranes, gantry cranes etc, welcome to contact us for a quotation of the crane parts, customized parts accpeted for your special requirements.

 

Safety Devices for overhead bridge crane:
 
To guarantee the normal operation of crane and avoid the personal casualty and mechanical damage, the safety device we
provide are not only the electric protective devices or alarm bell but also other
equipments as following:
1.Overload Limit Switch
2. Rubber Buffers
3.Electric Protective Devices
4.Emergency Stop System
5.Voltage Lower Protection Function
6. Current Overload Protection System
7. Rail Anchoring
8.Lifting Height Limit Device

Advantages of a single girder design:
1)Less expensive due to a simpler trolley design, reduced freight costs, simplified and faster installation, and less material for the
bridge and runway beams.

2)Most economical option for light to medium-duty cranes

3)Lower loads on the building structure or foundations due to a reduced deadweight. In many cases, it can be supported by existing
roof structure without the use of additional support columns.

4)Better hook approach for both trolley travel and bridge travel

5)Easier to install, service, and maintain

6)Ideal for workshops, warehouses, material yards, and manufacturing and production facilities

7)Lighter load on runway rails or beams means less wear on the beams and end truck wheels over time

8)Great for facilities with low headroom

FAQ ABOUT MINGD CRANES:
 
1.Can the cranes be customized?
Yes,every customer’s working condition is different, all of our products can be customized depend on customers’ requirements.
Please give us the information as clear as you can, so we can give our best design to suit for your demands.
 
2.How many operation methods for my selections?
We provide pendent controller with push button control type, remote control type or cabin control type.Please tell us what kind
of operation way you need.
 
3.I have low headroom in my workshop, is it possible to install a crane in it?
We have special products for low headroom workshop, our engineer can give the best design according to your dimensions.
 
4.Do you supply lift tools?
Yes, we can provide any kind of lifting tools such as hook, electromagnetic, grab bucket etc…
 
5.In order to offer the most suitable design solution for you, it will be great helpful if you can offer us the following information to us:
1. Lifting capacity.
2. Span length.(rail center to rail center)
3. Lifting height.(hook center to ground)
4. Have you installed the rails? Do you need us to supply the rails? How long is it?
5. Power supply: Voltage.
6. Working condition: what kind of material to lift? temperature?
7. It would be much better if it is possible for you to offer the drawing photo of your workshop.

Certificates:
 

Customized Design &Production Accepted According to Your Using
Situation, Please Contact Us for Further Communication:
 
Tel: 13953895525
Website: mdcrane

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.