Warranty: 1 Year
Applicable Industries: Farms
Showroom Location: None
Video outgoing-inspection: Provided
Machinery Test Report: Not Available
Marketing Type: New Product 2571
Warranty of core components: 1 Year
Core Components: Gear
Type: Farm Equipment
Use: Agriculture
Condition: New
Key Selling Points: Long Service Life
After-sales Service Provided: Engineers available to service machinery overseas, Online support
Application: orchard trencher
Product name: New Condition tractor post hole digger
Usage: orchard
Ditch shape: ladder-shaped
Ditch depth: 25-30mm
Matching power: 18-50 horsepower four-wheeled tractor
Spindle speed: 252
Raw material: Steel
Cutter head diameter: 60
After Warranty Service: Online support
Local Service Location: None
Certification: ISO
Packaging Details: Export plywood case package
Port: China main port ( HangZhou, ZheJiang , HangZhou, ZheJiang , HangZhou, and so on)
New Condition tractor post hole digger/Tractor mounted trencher ditch digger/ Farm tractor mounted ditching machine
Introduction of New Condition tractor post hole digger/Tractor mounted trencher ditch digger/ Farm tractor mounted ditching machine :
Special furrow opener for irrigation of fruit garden forest special for garden special – purpose opener Open – groove machine production and custom – made factory direct – pin opener for large number of open – ditch machine orchard open – groove machining. The orchard opener is convenient to use , and is matched with a small 4 – wheel tractor , and is suitable for the opening , irrigation and opening of the fruit garden .
Trench opening: side and middle trenches.
Orchard trench opener Four wheel tractor matching trench opener, mainly used for orchard trench fertilization, can also be used to dig ditches, the auxiliary power of the trench opener is 30-65 horsepower tractor, do not need to buy power alone for you to save costs. Is a new type of trench equipment. Trench width is 30 cm, trench depth 20-40 cm, trench speed can reach 1000-1500 meters per hour. The efficiency of the method is more than 40 times
higher than that of manual trenching. The trench is straight, the wall is steep, the furrow depth and furrow width are uniform, which is very beneficial to the furrow opening and fertilization of fruit trees. Mainly suitable for irrigation, scallion, ginger planting ditch, orchard ditch fertilization ditch, vegetable shed and orchard drainage ditch.
Specifiactions of New Condition tractor post hole digger/Tractor mounted trencher ditch digger/ Farm tractor mounted ditching machine :
| Model | 1K-20-30(double ditch) | 1K-30-20(single ditch) |
| Trench width(cm) | Up:30 Down:20 | Up:30 Down:18 |
| Trench depth(cm) | 26 | 20 |
| Dimension(cm) | 109*202*116 | 109*125*116 |
| Cutter diameter(cm) | 69 | 60 |
| Weight(kg) | 385 | 220 |
| Matching power(hp) | 18-55 | 18-55 |
| Spindle speed(r/min) | 252 | 252 |
Packaging & Shipping
Our ServicesService before sale:
1, 24 hours online .Your inquiry will be quick reply by email .
Also can go through all questions with you by any online chatting tools (Wechat ,Whatsapp,Skype ,Viber ,QQ , TradeManager )
2,Professionally and patiently introduction,details pictures and working video to show machine
Service on sale:
1,Test every machine and inspect the machine seriously .
2,Send the machine picture which you order, then packing it with standard export wooden box after you confirm the machine is ok .
3,Delivery:If ship by sea .after delivery to seaport.Will tell you the shipping time and arrival time. Finally,send all oroginal documents to you by Express For Free. If delivery it by Express to your door(DHL, TNT,Fedex, etc) or by air to your airport, Or logistic to the warehouse which you request.We will tell you the tracking number after deliver.
Service after sale:
1, Free insurance for goods
2, 24 hours online to solve any problem . Supply you English manual book and technical
support,maintain and install video to help you solve the problem, or dispatch worker to your factory.
Company Information
FAQ1, What is the voltage/phase for this machine?
220V 50Hz/single phase ,380V 50Hz/three phase , 110V 60Hz/single phase also can made as the
clients’ need.
2, What is the Mode of transportation?
LCL and FCL by ship ,By Express (DHL,TNT, Fedex etc) ,By air.
3, How long is the guarantee?
we promise guarantee as 1 year for non-human damage factor.
4, How should I do if meet some trouble while using?
we can supply English manual book and also take a video for showing how to resolve the
problems or dispatch our worker to your factory.
5, Are you manufacturer?
Yes, we are manufacturer with more than 8 years’ experience.
6, Where are you? Can we go to China and visit your factory?Yes, of course. We are in ZheJiang , China. Welcome to our factory.
7, Do you have manual with the machine?
Yes, of course. It is in English version.
8, Can you offer us the necessary paper to do the customs clearance?
Yes, of course. We will send you the commercial invoice, sales contract, packing list, bill of lading(FOB or CFR, CIF terms), insurance policy (if CIF terms), also CO if you need.
Xihu (West Lake) Dis.ct information
The Mechanical Advantage of a Pulley
A pulley is an important tool for many tasks. The advantage that it offers over a hand-held mechanism is its mechanical advantage. In this article, we’ll discuss the types of pulleys and their applications. We’ll also look at the types of compound pulleys. And, of course, there’s a little bit about the mechanical advantage of a pulley. This article will help you decide whether this tool is right for your needs.
Mechanical advantage of a pulley
A pulley has a mechanical advantage over a lever because it is able to produce more force over longer distances. The mechanical advantage of a pulley sounds brilliant and could produce energy. But what exactly is this mechanical advantage? Let’s take a look. First, consider how a pulley works. A rope supports a 100kg mass, which requires 500 newtons of force to lift. If the rope supports a 100kg mass, two sections of rope can support that load. Using a pulley, you can lift the same weight with half the force.
A pulley’s ideal mechanical advantage is the ratio of the force applied to the total length of the rope. The larger the radius, the greater the mechanical advantage. A pulley made up of four rope segments has an ideal mechanical advantage of four. Therefore, a four-segment pulley would multiply the force applied by four. As the numbers on the rope segments are smaller than the total length of the rope, it would be better to use a compound pulley.
The mechanical advantage of a pulley can be calculated by using the T-method. The first step in calculating the mechanical advantage of a pulley is defining the force you need to lift. Then, divide that force by two to calculate the amount of force you need to lift the load. Once you know this amount, you can design a pulley to meet your needs. That way, you can achieve the perfect balance between the two types of pulleys.
Types of pulleys
The main function of the pulley is to change the direction of the force. The mechanical advantages of a single pulley are two. Ideally, two pulleys should have two or more mechanical advantages. The mechanical advantage of compound pulleys can be increased to two or more. The number of pulleys that make up the composite pulley will determine the mechanical advantage. Certain types of pulleys are combined in one housing.
A stepped pulley is a set of pulleys with stepped surfaces. Each face is anchored to the mid-axis in an ordered sequence. This design gives these pulleys their name. They are used to increase and decrease the speed of the driven pulley. Step pulleys are usually used in pairs. They can be straight or stepped, but usually come in pairs.
The three main types of pulleys are pulleys, rope pulleys, and chain pulleys. Pulley Pulley systems use mechanics to lift and lower heavy objects. The Greek historian Plutarch credits the invention of the pulley to Archimedes of ancient Sicily. The Mesopotamians used rope pulleys to lift water around 1500 BC, and Stonehenge is said to have been built using a rope pulley system.
Application of pulley system
The advantages of using a pulley system are numerous. The ability to lift heavy objects is a good example. The pulley system makes it easy for people to lift blocks and other large objects. It can be used in many different applications, from utility elevators to construction cranes. In addition, it is widely used on sailing boats. If you want to learn more about the benefits of a pulley system, keep reading!
You can use the pulley system to water flowers or water plants. Some of them even lowered the pot to make cleaning easier. Pendant lights are another great place to install a pulley system. Climbing and fishing are just some of the activities that utilize the pulley. They are great for fishing and gardening. And since they are so versatile, you can use the pulley system anywhere.
To get the most out of your pulley system, you must choose a product that has all of the above attributes. A high-quality pulley must have a large pulley diameter and be made of sturdy materials. The cables must also be properly supported in the pulleys to ensure a long service life for your investment. A good cable should have minimal cracks and be lubricated. These factors are the most important considerations when choosing a pulley system for your needs.
composite pulley
Composite pulley systems combine two or more movable pulleys. These systems maximize the force to move the weight and can also change direction so they can be used to lift weights. Composite pulley systems can be as simple or as complex as your needs. For example, a pulley pulley system uses multiple pulleys on each axis. This method is often used for hoisting building materials.
A compound pulley system has two or more rope segments, each of which is pulled up on a load. It can increase lift by making objects move faster. These systems are common on large sailboats and construction sites. Composite pulleys are also available for larger boats. Due to their versatility, they are versatile tools for construction sites and large sailboats. If you have their app, you should consider buying one.
The main advantage of composite pulleys is their versatility. You can use them to lift weights or use them to save energy. Composite pulleys are especially useful for lifting heavy objects. For example, you can tie a paper clip to the end of the rope and pull it up. The flag is then lifted into the air with the help of compound pulleys. Composite pulleys are a great invention and they are often used in construction.
security considerations
There are several safety considerations to consider when using pulleys. The first is Secure Workload (SWL). This value is a general guideline for the maximum weight a pulley can safely handle. It varies according to the height and angle of the pulley. Besides SWL, there are some other factors to consider. Consider each one before deciding on the pulley that best suits your needs.
Another safety consideration is the weight of the load. Since the highs of the pulley are higher than the lows, it doubles in weight. The weight of the high point should not exceed 4 kN. The safety factor is calculated by multiplying the strength of the pulley by the weight of the load. Secondary COD has a safety factor of 10:1 and bulletproof primary anchors should be used with pulleys.
If using a chain hoist, you must be trained in the appropriate type of lifting. It is important not to hang on the top hooks of the structure, nor to overload or rig the hooks with multiple slings. You should also avoid corroded or damaged chains, as they can cause the crane to jam or overload. A worn chain can even cause the load to drop.
Components of a pulley system
Proper design of the pulley system can increase the life of the cables and pulleys. Larger diameter cables should be selected as they are more durable than smaller diameter cables. The cables should also be supported in the pulley grooves. The pulley must be designed to be compatible with the cable and its lubrication should be optimal. Proper lubrication of cables and pulleys will ensure maximum durability and longevity.
The first type of pulley is called a fast pulley. These pulleys are used for quick start and stop of the machine. These pulleys are usually mounted in pairs on the countershaft of the machine. One pulley is tightly mounted on the machine shaft, while the other pulley is fitted with a free-spinning mechanism. When the machine is running, the belt is mounted on the tensioner pulley, and when it is stopped, the belt slides on the independent pulley.
Composite pulley sets reduce the overall effort required by reducing the size of the pulley. These are usually attributed to Archimedes. Flat pulleys are often used in flat belt driven transmission systems. These are used in high-speed, low-power applications. Flat pulley idlers are also used on the back of traditional V-belts.
editor by czh