Product Description

Product Description

HSVT Type Chain Hoist / JAPAN VITAL MODEL

1.Double pawls supporting fail-safe break mechanism for secure operations.
2.Wet friction discs with longer life.
3.Unique chain guide.

4.Heat treated steel side plates, gears and shafts for enhanced strength.
5.Quenched and Tempered High Tensile Alloy Steel Chain and hooks.
6.Forged upper and bottom hooks with forged steel safety latches.
7.Powder coated finish.

 

Packaging & Shipping

Company Profile

HangZhou CZPT Hoisting Machinery Plant. was founded in 1999 in HangZhou. Its main development and production facility in HangZhou, offers future-oriented solutions with chain systems and components for a wide range of applications. 
 
We specializes in manufacturing standard heavy duty lifting chain (4MM -12MM), including European Standard chain for rigging, electric block chain and also undertake other special standard chain. Each lifting chain we produced was inspected by our experienced technician who had over 30 years research and producing lifting chain experience, and we also use strict quality control testing system to ensure the products' stability and durability.
 
Jiazhong' s primary purpose is produce heavy duty and more reliable lifting chain for lifting application to achieve superior performance and usage, withstand more abuse, high abrasion resistance, greater lifting load. Each bundle of raw materials come with alloy steel quality inspection report issued by the steelmaker, including the component analysis, production date, produced CZPT number, and so on, to ensure the traceability of each batch of raw materials.
 
As the second largest chain manufacturer, our other hoisting machineries have a huge cost advantage. For hoisting, moving, pulling, driving and conveying, our CZPT lifting means, CZPT hoist chains, CZPT Chain block and CZPT Electric hoist are a guarantee of quality, innovation and safety.
 
In Tradition of Dynamic Innovation "that is in the tradition of a modern and dynamically growing family organization, the CZPT Group has officially been nominated as a Hidden Champion of the 21st Century because we are in our defined sectors worldwide leader in quality and technology.
 

Our Advantages

SERVICE PHILOSOPHY
We are pleased you are interested in Jiazhong. We deliver comprehensive and innovative services to support the life cycle of your lifting equipment.
Our aim is to enable you to concentrate fully on your core business by giving you the certainty that your equipment operates with maximum reliability and efficiency.
 
Training
We offer a comprehensive range of training courses that qualify your staff in proper operation, service and inspection of our industrial cranes and their components.
Develop your staff through our training courses.
We offer a comprehensive range of training courses that qualify your staff in proper operation, service and inspection of our industrial cranes and their components. We leverage our expertise, customer focus and local knowledge to continuously develop and enhance our training courses.
 
Spare Parts
More than 15,000 different spare parts are ready to be shipped or collected direct from our distribution center. Parts manuals and operating instructions are available on CZPT Shop. CZPT parts for unsurpassed reliability and long service life.
Our spare parts reduce maintenance requirements and ensure reliability, long service life and continuous availability of our products. CZPT spare parts meet the highest quality requirements and are perfectly aligned to fit our customer's needs. Our quick and reliable logistics enable our products to be supplied efficiently and effectively worldwide.
 
Inspection
Jiazhong Services works closely with customers to create innovative solutions that drive costs down, track expected maintenance and increase productivity.
We offer the following key offerings: Inspection, Emergency Response, and Planned Maintenance 
Jiazhong Services is a national leader in providing maintenance and product solutions for all major material handling equipment. We have proven expertise with effectively providing inspection services that are tailored to customer needs and application environment.
 
Repair
Our Planned Maintenance and Repair services enable customers to improve safety and productivity while reducing maintenance cost. From quarterly services on a few pieces of equipment to complete on-site maintenance partnerships to service hundreds of pieces of equipment, CZPT Services offers customized services that deliver results. For Planned Maintenance and Repair service information, contact us.
 

FAQ

Pulley Type

There are several types of pulleys. These include fixed pulleys, load multipliers and movable pulleys. Below is a description of each pulley type. A load multiplier is a special type of pulley with multiple wheels for increased lifting capacity. It is used in a wide range of applications including power transmission and construction. Some common uses of pulleys are listed below.

moving pulley

Movable pulleys work by transferring the weight of a load to another object of the same mass. Since a live pulley is inherently frictionless and weightless, the force required to lift a load with it is the same as the weight of the load. This principle applies to tall buildings and residences. It is an excellent choice for lifting heavy objects such as furniture and washing machines.
A pulley is a mechanical device with a wheel that rotates on a shaft. The axle is attached to the wheel and is usually fixed. The movable pulley can be fixed or movable, both of which can change the direction of the force on the rope. Some pulleys can also change the magnitude and direction of the force. They are ideal for a variety of applications, from lifting heavy objects to transporting objects.
Another type of movable pulley works by transmitting force to another object. It has a free axis and the total force provided by the rope tension is balanced. Since the tension on the rope is constant in each segment, pulling 1 end of the rope will double the force on the shaft, resulting in 2 mechanical advantages. This mechanical advantage is the main reason why movable pulleys are so versatile.
Another form of moving pulley is called a KWL diagram. The KWL diagram summarizes the basic concepts of the drive wheel. KWL diagrams are an excellent way to assess a student's understanding of the concepts discussed in the course. Word questions are a great way to check whether students understand concepts. When students answer the word questions correctly, the answer is yes!

Fixed wheel pulley

If you need to move heavy objects, a single fixed wheel pulley is not a good choice. Using a single fixed pulley might be similar to using a handbag, but it's not very convenient. This type of pulley system relies on friction to transmit motion. As a result, it can slip and isn't always reliable. Fortunately, you can find other options that work just as well.
Fixed pulleys are the most basic type of pulley. They consist of grooved wheels and ropes attached to objects. These pulleys make lifting easier. Because the rope or cable only moves in 1 direction, the movement of the object feels lighter. And they are also easy to install. However, before you buy a fixed wheel pulley, make sure it is strong enough to support the weight of the load.
The disadvantages of fixed pulleys are obvious. One of them is the lack of mechanical advantage. A fixed pulley pulls up with the same force as a single moving pulley, and a single fixed pulley is not particularly effective as a force multiplier. However, the effect is more pronounced when you combine multiple fixed-wheel pulleys. You will get double the power! So what do fixed wheel pulleys have to offer?
Fixed wheel pulleys can be as small as a ring. A single ring pulley requires twice as much force as the weight being pulled. Adding more loops to the rope will reduce the effort required to pull the weight. The mechanical advantage of a fixed pulley is proportional to the number of strands running to the free pulley. A 100-pound pull on the free end will lift a 300-pound load.

composite pulley

Compound pulleys are pulleys that can be used to change the direction of a control wire. It can also be used to modify the mechanical force of the wire by moving the item it is connected to. In galleons, compound pulleys are more common. They are often combined with other ropes for mechanical advantage. Here are some common uses for composite pulleys.
The ideal mechanical advantage of a pulley is equal to the number of rope segments that pull up the load. This means that the more rope segments, the less force is required. A compound pulley will have the ideal mechanical advantage of 2, which means it will generate more force than a simple pulley. Composite pulleys are also more efficient at transmitting force because their number of rope segments is usually equal to the unit weight.
Composite pulley systems use more than 2 pulleys and ropes. More pulleys will reduce the force required to move heavier objects. They are usually used in large sailboats. The system is also used on construction sites. It can be used for a variety of applications, including lifting large objects or transmitting electricity. You can imagine how it would change your life if you had to move a large sailboat, but the result would be the same: a composite pulley system would make it easier to lift a large sailboat.
Composite pulleys are also known as fixed pulleys. The fixed pulley is stationary, and the movable pulley moves back and forth. The latter is more effective when used with a detachable cord or strap. On the other hand, a moving pulley is a moving pulley and it gives you a mechanical advantage. You can imagine this pulley on a flagpole.

load multiplier

The multiplication system has 3 basic parts: the rope grab, the connector, and the pulley. While some basic multipliers may combine the 3 parts, the concept remains the same. The multiplication system can make pulling the rope easier by reducing the amount of friction that occurs. Below are some examples of multiplication systems. A compact rope grab is a great option for resetting the multiplier.
The load reduction that a pulley system can achieve is proportional to the number of ropes used to support it. Although most utility pulley systems use only 4 ropes, the theoretical maximum load reduction is a quarter of the actual load. In other words, the four-wheel system only reduces the weight of a 1,000-pound load by a quarter. That would require 167 pounds of force, a far cry from the 500-pound load a single pulley system can achieve.
The mechanical advantage of a pulley system can be calculated by calculating the ratio between the forces exerted on each wire. For example, a 90-kilogram load is supported by 3 ropes, each weighing about 30-5 pounds. The ropes on pulleys A and B each carry a load of 60 kg. Using this formula, a single pulley system will yield a mechanical advantage over 2 tractors.
To calculate the force required to pull the rope over the pulley, measure the angle and deflection between the ropes. The deflection angle when added to the included angle should equal 180 degrees. A 75 degree angle requires 159% of the load force. This means a total load multiplier of four. This formula is an important tool for calculating the force multiple of the pulley.

Disadvantages of fixed pulleys

There are 2 basic types of pulleys: movable and fixed. Active pulleys are more advanced, allowing the pulley to move according to the load. They reduce the force required to lift the load. Active roller pulleys are more compact and therefore take up less space. Both types are good for lifting heavier objects, but they each have their pros and cons.
Fixed wheel pulleys can be used to lift heavy objects. This type of pulley consists of a wheel with a fixed shaft that has grooves on its edges for guiding ropes or cables. This is a simple machine as no motor or engine is required to lift objects. When 2 or more wheels are used together, the ropes around the wheels form a powerful hoist.
Single wheel pulleys are not suitable for lifting. They tend to push things down. Also, they are unreliable because they rely on friction and can slip. Also, a single wheel pulley would require a lot of space. Another disadvantage of fixed-wheel pulleys is that they make it difficult to move heavy objects easily. Single fixed-wheel pulleys also tend to slip easily, making them a poor choice for many applications.
Fixed wheel pulleys are also easier to install and maintain than manually operated ones. It requires less space and lubrication than manual pulleys. Manual pulleys can cause injury because the operator will be lifting the full weight of the heavy object. Additionally, rope slippage can lead to muscle strains and rope burns. And the system requires frequent maintenance.