The hydraulic cylinder converts the hydraulic energy into mechanical energy and acts linear reciprocating or swinging movement..It is reliable and simple in structure.CZPT to realize reciprocating motion without the speed reducer, no transmission clearance and running smoothly,thus is widely used in all kinds of mechanical hydraulic system.The output force of hydraulic cylinder is directly proportional to the effective piston area and the pressure differential on both sides ;Hydraulic cylinder basically consists of the cylinder barrel, the cylinder cover ,piston,piston rod, sealing device, the buffer device, and the exhaust device. The buffer device and the exhaust device depend on the specific application, and other devices are necessary
Packaging & Shipping
10 days after 30% deposit receiving
1.After sales services:overseas commissioning engineer available for testing and installation.
2.Working services:overseas commissioning working team for whole pipe jacking construction.
3.On site service support;
4 12month warranty;
5 Life time service support,
6 Communicate by Web services, Phone, Email, Skype etc.
7. 7 days*24hours Hot-line & Email Service.
8.Your inquiry related to our pipe jacking machine will be replied within 24 hours.Well-trained and experienced staff will answer all your questions in fluent English.
If quality & assembling problem caused troubles, we take responsible on spare parts and all service fees.
If misuse or human factors caused the trouble, users shall take responsible on spare parts and all service fees.
ZheJiang Xuanxuan Heavy Machinery Co.Ltd is affiliated with Weiqiang Group.It's located in HangZhou city,ZheJiang Province,is located in the center of the Yangtze River Delta,the north part close to Yangtze River, the south part close to Lake Xihu (West Lake) Dis., and East part is close to the East China Sea.Is the birthplace of modern Chinese industrial, modern equipment manufacturing city. It Has a superior geographical advantage and convenient land and sea and airtransportation conditions.
WeiQiang group was founded in 1989,More than 30 years of history, now,It Consists of several companies,such as Weiqiang Chemical, Weiqiang machinery, XuanXuan heavy Machinery , it was assessed as "private technology enterprises in HangZhou City","High-tech enterprises in ZheJiang Province " Private science and technology enterprises in ZheJiang province ".
ZheJiang Xuan Xuan Heavy Machinery Co., Ltd. professional design and manufacture trenchless engineering equipment,integrate Product development, manufacturing, marketing and after-sales service .Products include multi-series pipe jacking machine, shield machine, pipe jacking equipment and spare parts spare parts.
Products include multi-series pipe jacking machine, shield machine, spare parts of pipe jacking machine, shield machine,Hydraulic oil cylinder, hydraulic system, lubricating system, pneumatic system, PLC control system and non-standard equipment.The company attaches great importance to the development of new technology and new products.In recent years, In recent years, vigorously invested in the non-excavation pipe jacking equipment, hydraulic systems, and had done a lot of fruitful work.It has successfully developed a slurry balance, earth pressure balance and series of multi-type excavation products,It has been successful application in domestic market,
The company attaches great importance to product quality management, and establish a standardized and systematic quality management platform, strict requirements, excellence, our goal is to provide customers with high-quality engineering equipment. Company will provide high-quality pre-sale, sale, after-sales service,Companies to provide high-quality pre-sale, sale, after-sales service, At any time, provide product consulting, use guidance, etc.
Adhering to the service purposes of "active", professional specialization, efficiency first " we aim to provide quality products and excellent service to our customers. To achieve the expectations of customers and exceed goals of Industry standard.
Xuan Xuan heavy industry based on long-term development strategy, follow the "conservation, security, service," the 3S product concept, and vigorously promote scientific and technological innovation, continuing to provide customers with quality products and services.
In order for you to get a better price and technical solutions. Please provide the following required parameters:
1. Project total length, distance for 1 section, how many sections will be built?
2 Pipe type: concrete or steel etc, single length of the pipe? outer and inner diameter ?
3 Projects information: for water supply, sewage project?
4 Underground water level;
5 Soil type? soil report is needed.
How to use the pulley system
Using a pulley system is a great way to move things around your home, but how do you use a pulley system? Let's look at the basic equations that describe a pulley system, the types of pulleys, and some safety considerations when using pulleys. Here are some examples. Don't worry, you'll find all the information you need in 1 place!
Basic equations of pulley systems
The pulley system consists of pulleys and chords. When the weight of the load is pulled through the rope, it slides through the groove and ends up on the other side. When the weight moves, the applied force must travel nx distance. The distance is in meters. If there are 4 pulleys, the distance the rope will travel will be 2x24. If there are n pulleys, the distance traveled by the weight will be 2n - 1.
The mechanical advantage of the pulley system increases with distance. The greater the distance over which the force is applied, the greater the leverage of the system. For example, if a set of pulleys is used to lift the load, 1 should be attached to the load and the other to the stand. The load itself does not move. Therefore, the distance between the blocks must be shortened, and the length of the line circulating between the pulleys must be shortened.
Another way to think about the acceleration of a pulley system is to think of ropes and ropes as massless and frictionless. Assuming the rope and pulley are massless, they should have the same magnitude and direction of motion. However, in this case the quality of the string is a variable that is not overdone. Therefore, the tension vector on the block is labeled with the same variable name as the pulley.
The calculation of the pulley system is relatively simple. Five mechanical advantages of the pulley system can be found. This is because the number of ropes supporting the load is equal to the force exerted on the ropes. When the ropes all move in the same direction, they have 2 mechanical advantages. Alternatively, you can use a combination of movable and fixed pulleys to reduce the force.
When calculating forces in a pulley system, you can use Newton's laws of motion. Newton's second law deals with acceleration and force. The fourth law tells us that tension and gravity are in equilibrium. This is useful if you need to lift heavy objects. The laws of motion help with calculations and can help you better understand pulley systems.
Types of pulleys
Different types of pulleys are commonly used for various purposes, including lifting. Some pulleys are flexible, which means they can move freely around a central axis and can change the direction of force. Some are fixed, such as hinges, and are usually used for heavier loads. Others are movable, such as coiled ropes. Whatever the purpose, pulleys are very useful in raising and lowering objects.
Pulleys are common in many different applications, from elevators and cargo lift systems to lights and curtains. They are also used in sewing machine motors and sliding doors. Garage and patio doors are often equipped with pulleys. Rock climbers use a pulley system to climb rocks safely. These pulley systems have different types of pinions that allow them to balance weight and force direction.
The most common type of pulley is the pulley pulley system. The pulley system utilizes mechanical advantages to lift weight. Archimedes is thought to have discovered the pulley around 250 BC. in ancient Sicily. Mesopotamians also used pulleys, they used ropes to lift water and windmills. Pulley systems can even be found at Stonehenge.
Another type of pulley is called a compound pulley. It consists of a set of parallel pulleys that increase the force required to move large objects. This type is most commonly used in rock climbing and sailing, while composite pulleys can also be found in theater curtains. If you're wondering the difference between these 2 types of pulleys, here's a quick overview:
Mechanical Advantages of Pulley Systems
Pulley systems offer significant mechanical advantages. The ability of the system to reduce the effort required to lift weights increases with the number of rope loops. This advantage is proportional to the number of loops in the system. If the rope had only 1 loop, then a single weight would require the same amount of force to pull. But by adding extra cycles, the force required will be reduced.
The pulley system has the advantage of changing the direction of the force. This makes it easier to move heavy objects. They come in both fixed and mobile. Pulleys are used in many engineering applications because they can be combined with other mechanisms. If you want to know what a pulley can do, read on! Here are some examples. Therefore, you will understand how they are used in engineering.
Single-acting pulleys do not change direction, but compound pulleys do. Their mechanical advantage is six. The compound pulley system consists of a movable pulley and a fixed pulley. The mechanical advantage of the pulley system increases as the number of movable wheels decreases. So if you have 2 wheels, you need twice as much force to lift the same weight because you need a movable pulley.
The mechanical advantage of a pulley system can be maximized by adding more pulleys or rope lengths. For example, if you have a single pulley system, the mechanical advantage is 1 of the smallest. By using 2 or 3 pulleys, up to 5 times the mechanical advantage can be achieved. You can also gain up to 10 times the mechanical advantage by using multiple pulley systems.
The use of a single movable pulley system also adds to the mechanical advantage of the pulley system. In this case, you don't have to change the direction of the force to lift the weight. In contrast, a movable pulley system requires you to move the rope farther to generate the same force. Using a compound pulley system allows you to lift heavy loads with ease.
Safety Issues When Using Pulley Systems
Pulleys have an incredibly unique structure, consisting of a disc with a groove in the middle and a shaft running through it. A rope or cord is attached to 1 end of a pulley that turns when force is applied. The other end of the rope is attached to the load. This mechanical advantage means that it is much easier to pull an object using the pulley system than to lift the same object by hand.
Although pulley systems are a common part of many manufacturing processes, some employers do not train their workers to use them properly or install protection to prevent injury. It is important to wear proper PPE and follow standard laboratory safety practices during pulley system activities. Make sure any support structures are strong enough to handle the weight and weight of the rope or rope. If you do fall, be sure to contact your employer immediately.