China wholesaler CZPT T336 16t High Quality Tower Crane Trolley Pulley on Rails with high quality

Product Description

ZTM T336 16T High quality tower crane trolley pulley on rails


Model ZTM Tower Crane (ZTT336B)
 Max. lifting height (m)  Free-standing stationary crane 53m
Anchored crane 302m
Working radius (m)  Max. working radius  75m
Min. working radius  15m
Max. lifting capacity (t)  16t
Power 380(±10%) / 50Hz
 Hoisting mechanism  Rope fall  α=2 α=4
Speed (m/min)  40 58 80 20 30 40
Lifting weight (t)  8.0 5.3 3.0 16 10.6 6.0
Power (kW)  75
Slewing mechanism Speed (rpm) 0-0.7
Power (kW) 2X7.5
Trolleying mechanism Speed (m/min) 0-60
Power (kW) 7.5



   With the reputation of"Intelligent Hoisting Expert" in the industry, CZPT has specially designed the tower crane from its steel structure, mechanism, and electric control technology, which makes it more suitable for intelligent hoisting operation scenarios, such as the 2 operation stages of "hoisting" and "installing" in PC building construction.CZPT tower crane adopts the European F.E.M design standard in steel structure and is equips with more than 10 unique intelligent hoisting modules in hoisting system, which ensure the safety of tower crane all-around and realize the high efficiency & intelligence of the whole hoisting operation.

LVF mechanism:
1. Flender and other famous brand reducers 
2. The perfect combination of the large drum and double-folding groove, no more cost for a large amount of wire rope wear and tear
3. High-performance vector variable frequency speed regulation, no mechanical shock, sensitive electrical response
4. Wide range of frequency modulation, controllable speed, with long-term low-speed and large-torque output motor characteristics
5. Multiple active safety brake protection, ensuring hoisting safety
6. Millimeter-level control accuracy, with "assembly operation mode", prevents misoperation, completely independent intellectual property rights.

Integrated big luxury cabin with air conditioner built-in. Provide unmatched comfort over long hours on the job.

Constant temperature and humidity environment with air conditioner built in, keep operators comfortable, productive and focused on their work to maintain safety. The whole electrical control system is positioned inside the cabin.

Improve the service life of electrical components and ensure safe operation for the serviceman. The air conditioner is no longer disassembled when the equipment is repeatedly installed, which improves the air conditioner's service life and simplifies the installation process.

Electrical all in 1 panel authorized by ABB group located inside the cabin, waterproof, anti wire aging,anti-electromagnetic interference, not affected by any weather condition, easy operation for serviceman, saving your maintenance cost.
Equipped with a temperature sensor to avoid the danger of fire and ensure the safe operation of the electrical system.


    Each mast section is equipped with an inclined ladder and 1 hot galvanized rest platform per 3 meters, super safe for climbing, the mast section are L46A1, L68A1, L68B1, L68B2, L69 type, which can be global interchangeable.

      ZheJiang CZPT Intelligence Equipment Co., Ltd.(ZTM) is a leading construction equipment manufacturer in the industry. Founded in 2003, the company specializes in the research, development, and manufacturing of tower cranes and construction hoists. After years of climbing and breakthroughs, CZPT ranked as the NO. 5 tower crane manufacturer and has also become a member of drafting industry-related standards in China.
        With innovation and development for many years, CZPT specialized in hammerhead tower crane series, flat top and luffing tower crane series, each series with a wide range of size and capacities, all strictly comply with European standard F.E.M 1.001. As a leading manufacturer in the industry, the CZPT production facility cover an area of 200,000 square meters, approximately 1100 employees included sales, R &D,after-sales, and technical support. We have been exported to more than 80 countries and areas all over the world such as Korea, Malaysia, Vietnam, South America, Middle East, Southeast Asia, etc.CZPT tower cranes are fitted with A to Z safety features to help increase safety for technicians, operators in the work environment, safety access to all zones.

Q1:Are you a trading company or manufacturer?
A1: ZTM is an original manufacturer.

Q2: How to confirm a suitable tower crane model?
A2: My friends, please tell us the below basic parameters to confirm the tower crane model:
       a. Building height or tower crane working height.
       b. Max load capacity and tip load capacity.
       c. Span or jib length
       d. Other Special requirements

Q3: How about the installation?
A3: We can support installation CZPT video or send 1 engineer to your country for installing, but you should bear the cost.

Q4: How long is your delivery time?
A4:Generally 7-15 days after advance payment.

Q5: Is it convenient to visit your factory?
A5: Yes, we welcome every customer to visit our company. We also supply to visit our factory by live stream.

Any other questions, please give us a message, hope can cooperate with you! and welcome you to visit us!



Three basic types of pulleys, their applications and ideal mechanical advantages

There are 3 basic types of pulleys: movable, fixed and compound. Each has its advantages and disadvantages, and you should be able to judge which type is best for your needs by looking at the table below. Once you have mastered the different types of pulleys, you can choose the right pulley for your next project. Now that you have mastered the 3 basic types, it is time to understand their applications and ideal mechanical advantages.


The stress characteristics of a pulley depend on its size and construction. These stresses are derived by comparing the stress characteristics of different pulley designs. Stress criteria include static and fatigue strength analyses and specify maximum stress ranges. Stresses are calculated in a 3D stress field, including radial, tangential and axial stresses. The stress characteristics of pulleys are critical to the design and manufacture of industrial machines.
The principal stresses on the pulley shell are distributed in the tangential and hoop directions, close to the centerline of the pulley. If the pulley has a wide face, the axial stress occurring near the shell/disk junction can be large. The stress distribution was determined using British Standard BS5400 Part 10: Stresses at the shell and end disc connections for infinite fatigue life.
Another type of composite is a pulley with a belt section. Such structures are well known in the art. The corresponding help chapters for these elements contain detailed descriptions of the internal structure of these components. Chamfers between pulleys can also be defined using multiple tapers, with a smaller taper extending from midpoint 44 to large diameter 42. Additionally, the pulley can have multiple taper angles, and as the pulley moves away, the taper angle is from the center.


A pulley system uses a rope to move the object and 1 side of the rope to lift the load. The load is attached to 1 end of the pulley, while the other end can move freely in space. The force applied to the free end of the rope pulls the load up or down. Because of this, the mechanical advantage of the movable pulley is 2 to one. The greater the force applied to the free end of the rope, the greater the amount of movement achieved.
There are 3 common types of pulleys. The cast-iron variety has a rim at the front and a hub at the back. The arms of the pulley can be straight or curved. When the arms contract and yield instead of breaking, they are in tension. The top of the pulley centers the belt in motion and is available in widths ranging from 9mm to 300mm.
The rope, hub and axle are mounted on the pulley. They are common and versatile mechanical devices that make it easier to move or lift objects. Some pulleys change the direction of the force. Others change the magnitude. All types of pulleys can be used for a variety of different applications. Here are some examples. If you're not sure which type to choose, you can find more resources online.


The applications for pulleys are almost limitless. This simple machine turns complex tasks into simple ones. They consist of a rope or chain wrapped around a wheel or axle. Using ropes, 1 can lift heavy objects without the enormous physical exertion of traditional lifting equipment. Some pulleys are equipped with rollers, which greatly magnifies the lifting force.
When used properly, the pulley system can change the direction of the applied force. It provides a mechanical advantage and allows the operator to remain separate from heavy objects. They are also inexpensive, easy to assemble, and require little lubrication after installation. Also, once installed, the pulley system requires little maintenance. They can even be used effortlessly. Despite having many moving parts, pulley systems do not require lubrication, making them a cost-effective alternative to mechanical lifts.
Pulleys are used in many applications including adjustable clotheslines in different machines, kitchen drawers and motor pulleys. Commercial users of pulley systems include cranes. These machines use a pulley system to lift and place heavy objects. They are also used by high-rise building washing companies. They can easily move a building without compromising its structural integrity. As a result, many industries rely on technology to make elevators easier.

Ideal mechanical advantage

The ideal mechanical advantage of a pulley system is the result of rope tension. The load is pulled to the center of the pulley, but the force is evenly distributed over the cable. Two pulleys will provide the mechanical advantage of 2 pulleys. The total energy used will remain the same. If multiple pulleys are used, friction between pulleys and pulleys reduces the return of energy.
Lever-based machines are simple devices that can work. These include levers, wheels and axles, screws, wedges and ramps. Their ability to work depends on their efficiency and mechanical superiority. The ideal mechanical advantage assumes perfect efficiency, while the actual mechanical advantage takes friction into account. The distance traveled by the load and the force applied are also factors in determining the ideal mechanical advantage of the pulley.
A simple pulley system has an MA of two. The weight attached to 1 end of the rope is called FA. Force FE and load FL are connected to the other end of the rope. The distance that the lifter pulls the rope must be twice or half the force required to lift the weight. The same goes for side-by-side pulley systems.

Materials used in manufacturing

While aluminum and plastic are the most common materials for making pulleys, there are other materials to choose from for your timing pulleys. Despite their different physical properties, they all offer similar benefits. Aluminum is dense and corrosion-resistant, and plastic is lightweight and durable. Stainless steel is resistant to stains and rust, but is expensive to maintain. For this reason, aluminum is a popular choice for heavy duty pulleys.
Metal can also be used to make pulleys. Aluminum pulleys are lightweight and strong, while other materials are not as durable. CZPT produces aluminium pulleys, but can also produce other materials or special finishes. The list below is just representative of some common materials and finishes. Many different materials are used, so you should discuss the best options for your application with your engineer.
Metals such as steel and aluminum are commonly used to make pulleys. These materials are relatively light and have a low coefficient of friction. Steel pulleys are also more durable than aluminum pulleys. For heavier applications, steel and aluminum are preferred, but consider weight limitations when selecting materials. For example, metal pulleys can be used in electric motors to transmit belt motion.


Replacing a tensioner in a car's engine can cost anywhere from $90 to $300, depending on the make and model of the car. Cost can also be affected by the complexity of the pulley system and how many pulleys are required. Replacement costs may also increase depending on the severity of the damage. The cost of replacing pulleys also varies from car to car, as different manufacturers use different engines and drivetrains.
Induction motors have been an industrial workhorse for 130 years, but their cost is growing. As energy costs rise and the cost of ownership increases, these motors will only get more expensive. New technologies are now available to increase efficiency, reduce costs and improve safety standards.
The average job cost to replace an idler varies from $125 to $321, including labor. Parts and labor to replace a car pulley can range from $30 to $178. Labor and parts can cost an additional $10 to $40, depending on the make and model of the car. But the labor is worth the money because these pulleys are a critical part of a car's engine.

China wholesaler CZPT T336 16t High Quality Tower Crane Trolley Pulley on Rails     with high qualityChina wholesaler CZPT T336 16t High Quality Tower Crane Trolley Pulley on Rails     with high quality