Air and oil pressurized cylinder Product Principle
Hydro pneumatic cylinder is combined the oil pressure cylinder and booster together for taking pure gas
press as thepower source.
It makes use of the different size of booster, the crosssection area compression ratio and Pascal energy
conservation principle. Becaus of constant pressure, when the compression area change from small to
large, the press would vary with the size, so as to raise the gas pressure to tens.
Taking the prepress standard hydro pneumatic cylinder as an example: When the work gas pressed on the
hydraulic oil (or working piston)
surface, hydraulic oil would flow to the approach stroke cavity because of the air pressure, then the
hydraulic oil would promote theworkpiece to move rapidly. When the workpiece is meet the resistance
larger than the gas pressure, it stops moving. At this point, the booster cavity start moving because of the
signal (or pneumatic signal), then achieve the purpose of moding products!
Product Model information
|Item number||ULFA 1-20T output
air over oil pressure cylinder
|Air driven||3-8 Bar|
|Working temperatre||0-55 degrees|
|anti-pressure of oil tank||300 kg/cm2|
|Working frequency||15-25 times|
|High pressure output capacity||1-20T|
|Installation way||From top to bottom,if need to change way ,should customize it|
Main Technical Drawing of ULFA type hydro pneumatic cylinder
Advantages of the air oil pressure cylinder
Fast speed: The action speed is faster than the hydraulic drive and it is more stability than pneumatic drive;
Easy to use: The cylinder body device is simple, so it is easy to adjust the output and facilitate to use and maintain;
High output: It can reach the highest output of oil hydraulic machine under same conditions, which can not be achieved by the pure pneumatic machine;
Low price: The price is lower than the oil pressure system;
Easy to maintain: The simple structure is easier to maintain than the oil pressure system;
Low energy consumption: When continue to boost or stop moving, it does not need the motor to keep working as the hydraulic system, then the energy can be saved. And it is convenient to take the power source, so the actual energy consumption is equivalent to 10%-30% of hydraulic power system;
No leakage: Energy conversion is easy with zero leakage, so not worry about the environmental pollution;
No harm to the die: In order to meet the technology needs, stamping pressure and the work stroke can keep within the provided area without adjustable levels;
Easy installation: There are several ways to in stall according to different work environments at any angle and position;
Soft landing: Soft-stamping technology reduce the noise to protect the die;
Fault less: No temperature rising problems unlike the hydraulic system;
Small space: Space area can be less than 50% compare with normal air cylinder and hydraulic station;
Less fault : No temperature rising problems unlike the hydraulic system;\
The energy loss comparison chart of air liquid pressurized cylinder and pneumatic cylinder
The ratio of air consumption takes hydropneumatic cylinder and pneumatic cylinder with the same output as the example: When the
working air pressure is 6kg/cm² and the diameter is 320mm, the pneumatic cylinder reaches 4800kg, but the output of hydropneumatic
cylinder is 4800kg and the diameter is 80mm. When the stroke is the same 100mm(the model of pneumatic cylinder is QGB 320*100 and
the hydropneumatic cylinder is ULCA-80-100-10E-5T), the hydro-pneumatic cylinder consumes 2575cm³ air while the pneumatic cylinder
is 15790cm³,refers to the drawing:
The examples of practical application
Preventative Maintenance on Tractor Parts
You should not take your tractor out of commission by replacing the parts that are not working properly. You should be proactive about maintaining your tractor parts to ensure that they work well and are of the highest quality. You should also check if the company is 10 years old or more, as this will ensure that they have enough experience to handle warranty issues and any other problems. Lastly, you should check if the tractor parts company has a good reputation. Having a long standing company that is available around the clock is a plus.
Preventative maintenance of tractor parts
Performing preventative maintenance on tractor parts will help you avoid unexpected breakdowns and enhance its efficiency. Whether you're the sole owner of a tractor or a part-owner, you should know which parts you need and where to find them. Having spares available is also important, as they can help you solve problems quickly. Listed below are some of the parts you need to know about. These components are essential for your tractor's engine.
To maintain your tractor's internal components, check for wear. Lubricate internal parts regularly to reduce friction. When possible, bring your tractor to a dealer for a thorough inspection. Additionally, remember to keep the tractor's air filter clean. Dust in the air strains the tractor's engine, and a dirty air filter can cause a lot of damage. By following the manufacturer's instructions for proper maintenance, you can avoid costly repairs down the road.
For oil changes, check the owner's manual for recommended oil change intervals. Make notes in the manual about the parts you'll need. You can also refer to the manufacturer's PM checklist. Depending on the type of tractor you own, you may need to change the oil once a year or more often. To keep your tractor running optimally, drain old oil after every use. The same goes for hydraulic fluid. Over time, it can become contaminated with particles and water. Therefore, it's best to change it every year.
Modern tractors use a cooling system with fans and radiators. This system operates in varying temperatures and if it breaks down, you risk damaging the engine's core parts. In addition, you should store your tractor's battery under climate control. A battery maintainer can be purchased at any auto parts store. It's a great idea to regularly inspect your tractor's engine for problems as early as possible.
Types of tractor clutches
In a modern tractor, there are many types of transmission systems, and this article compares the pros and cons of each type. The original drive system of tractors relied on a clutch to change gears and range and engage/disengage the PTO drive. The clutch was usually a two-stage design; a full depression disengaged all drive systems while a partial depression only disengaged the gearbox. Today, these systems are independent.
The friction plate is a steel plate with a splined central hub. It features annular friction facings and is held between the flywheel and pressure plate. It has splines that limit its axial travel along the gearbox's driving shaft and dampen torsional vibrations. Single-plate clutches are most commonly used in heavy agricultural equipment. While they were initially developed as a cost-effective alternative to drum brakes, they quickly gained popularity due to their low price and ease of use.
Another type of tractor clutch is the wrap-spring. These use a special cast-iron spring. This spring is able to transmit torque to the driven plate when the tractor is operating at normal engine speed, while the clutch springs help transmit torque to the driven plate when the engine is running at high engine speeds. The wrap-spring clutches must be lubricated with light oil and should be checked for deterioration after a few years.
The advantages and disadvantages of these types of clutches are explained briefly. They are generally made from high-quality materials and contain a high copper content. They have high-friction properties and can transfer heat effectively to the engine. The friction coefficient of these types of clutches ranges from 0.33 to 0.4. As a result, they are the best choice for intensive applications. In conclusion, there are many advantages and disadvantages of each type of tractor clutch.
Types of tractor transmission gears
There are several different types of tractor transmission gear. One of the most common is hydrostatic. A hydrostatic transmission works like a standard manual transmission, and operates with a pedal. To operate a hydrostatic transmission, you simply select the gear and engine speed you want, push the pedal, and the hydraulic oil turns the gears. Because this type of transmission is clutchless, it provides smooth forward/backward operation without the need for a manual shifter.
Tractor transmissions come in several types and have different features. Some of these systems are better for certain types of work than others, and you'll find different types depending on the size and type of your tractor. Many tractors have 2 types of transmissions: geared speed and power shift. Each type offers different benefits, and they vary in cost and ease of use. There's a geared speed transmission, a synchromesh transmission, and a power shift transmission.
A CVT (continuously variable transmission) is another popular option. Like hydro, CVTs use a belt to transfer power from the engine to the wheels. These tractors can shift gears with little effort. These tractors can reach up to 4 speeds without the need for a clutch. Powershift transmissions are simpler and more durable than CVTs. They're also easier to repair. But a CVT may be the better choice for your farm tractor.
Hydrostatic and power shuttle transmissions allow you to shift gears and direction without the use of a clutch. Hydrostatic transmissions are usually hydraulically actuated, which makes it easy to change gears without using the clutch. Similarly, power shuttle transmissions are great for heavy-duty forward-and-reverse shifting. In either case, the clutches are hydraulically actuated and bathed in oil.
Types of CZPT fittings
In a nutshell, there are 2 types of CZPT fittings: standard and grease-fill. Standard CZPTs have 3 to 4 pumps of grease per fitting. Grease-filled CZPTs tend to attract dirt, dust, and sand, which can damage moving parts. Keeping these parts clean is crucial to their long-term performance. Using a rag to wipe off excess grease is an excellent way to ensure that the seals remain as sealed as possible.
There are different types of grease-filling tools available. Some are specifically designed to clear blocked CZPTs. These tools are used to fill the CZPT fitting with grease or diesel fuel and hit the fitting with a hammer. Be sure to use high-quality fitting rejuvenators, as cheap ones are less effective. These are also harder to find than grease-filling tools. To avoid these issues, use the proper tools when servicing your tractor.
CZPT fittings are used for many different kinds of tractor parts. You may find them on lawn equipment, construction equipment, and farming equipment. If you are unsure of what type your equipment has, ask your local CZPT dealer or visit 1 of their 17,000 CZPT AutoCare locations. Don't forget to regularly grease these parts for the best performance. When you don't have time to do so, they can lead to costly repairs.
Standard CZPTs feature a dome-shaped nipple that makes it easy to spot. Flow-stop fittings feature a ball check valve that reduces backflow during lubrication. Drive-type CZPTs feature a special coupler with a cross-pin to provide a positive lock. This type of grease CZPT eliminates the need for tapping during servicing.
Preventative maintenance of tractor's CZPT fittings
Proper grease application and regular inspections are important parts of CZPT fittings. If a CZPT becomes stuck in an opening, the ball may not be able to come out. Lubrication around CZPTs is important as grease can damage the components and cause bigger problems. A tractor's CZPT fittings are part of the tractor's electrical system, so it is important to replace them when they become damaged.
Grease CZPTs allow the addition of grease at the manufacturer's specifications. These fittings consist of a spring and metal ball inside a nipple. The grease gun compresses the spring and releases the ball from the nipple opening. Grease CZPTs are essential parts of heavy equipment, as a failed grease CZPT may cause brake failures and other systems to fail. Failure to maintain these fittings can cause rollover accidents.
Greasing the CZPTs is a vital part of regular tractor maintenance. Greasing the CZPTs will prevent your tractor's bearings from sticking and make your work easier. Grease the CZPTs on pivot points and joints to keep them lubricated and running smoothly. For easy grease application, consider using a battery-powered grease gun. Once you have lubricated the CZPTs, you can move on to other parts of the tractor.
In addition to grease, you should check for leaks on your tractor's CZPTs regularly. If you notice dirt buildup, there might be a leak. You can also check for any worn hoses to avoid major problems. If there is a leak, tighten the fittings and replace worn ones as soon as possible to avoid further damage. By performing these tasks regularly, you can increase the efficiency of your tractor and avoid unexpected breakdowns.