Product Description
Company Profile
ZheJiang CHINAMFG Hydraulic Co., Ltd. (Stock Code: 83 0571 ), founded in June 2004, is a domestic medium and high pressure hydraulic cylinder supplier integrating R&D, production, sales and service. Its main products include 3 series of hydraulic cylinders for dump trucks, hydraulic cylinders for mechanical equipment and hydropneumatic springs. The company’s management team and main technical personnel are stable. We has constantly innovated from the actual needs of customers, has gradually positioned the medium and high-end market, and has provided high-quality products for customers in automobile, coal mine, petroleum, engineering machinery and other industries with high-quality service.
>Experience in export North America, Australia, Asia, Middle East, Africa.
>Hydraulic Cylinders can be made according to client’s requirements.
>The Hydraulic Cylinders can be used for Dump Truck, Agricultural Machinery, Engineering Machinery, Garbage Truck, Landing Platform etc.
Product Description
The hydraulic cylinder for hydraulic support produced by CHINAMFG Hydraulic includes single telescopic pillar, double telescopic pillar and various jacks, with high quality, special processing technology, high wear resistance and corrosion resistance, excellent working performance, meeting extremely harsh environmental requirements, long service life and low maintenance cost.
Our product advantage lies in:
1. The raw materials we have selected are relatively good, with special processing techniques. The product has high wear resistanceand corrosion resistance, which can meet various usage environments.
2. The product has a long service life and low maintenance costs.
3. Our company’s products have passed the safety mark certification of the Chinese Academy of Coal Sciences.
To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.
Specification
| Item | Value |
| Product Name | Prop Cylinder |
| Outer Tube Diameter | 230mm |
| Inner Tube Diameter | 225mm |
| Rod Diameter | 220mm |
| Maximum Stroke | 595mm |
| Weight | 50kg |
| Warranty | 14 Months |
| Working Pressure | 31.5Mpa |
| Place of Origin | ZheJiang ,China |
| Color | Client’s Request |
Quality Guarantee System
1. Trial Operation Test
2. Start-up Pressure Test
3. Pressure-Tight Test
4. Leak Test
5. Full Stroke Test
6. Buffer Test
7. Testing the Effect of Limit
8. Load Efficiency Test
9. Reliability Test
Every piece of hydraulic cylinder are tested and will send out only after they are pasted the each test. Our company has abundant technical force and perfect testing means. By making wide technical and business cooperation with many related enterprises, universities, colleges and institutes both at home and abroad, and employing senior engineers and software engineers, we have greatly strengthened and improved our designing, processing, and testing abilities.
Machining Equipment
Our company have 700 sets manufacturing equipment, such as cold drawing production line, heat treatment production line, surface treatment production line, testing equipment, various digital-control machining equipment, gantry style linear electroplating production line.
Certificate And Our Customers
Domestic Marketing Locations
The company’s products are widely sold in ZheJiang , ZheJiang , ZheJiang , ZheJiang , ZheJiang , ZheJiang , ZheJiang , ZheJiang , ZheJiang and other more than 20 provinces, municipalities and autonomous regions.
Foreign Marketing Locations
Our products are exported to the United States, Canada, Mexico, Russia, South Africa, Indonesia and other Europe, America, South America, Southeast Asia.
After Service
1.Pre-sale service: Keep communicating with the truck manufacturers , including selection of product model , design of hydraulic system, test of performance and analysis of the accident. Once the problems occur, we will solve them immediately together with truck manufacturers.
2.The sale service: Provide training and technical support for users.
3.After-sale service: Solve the problem firstly, then analyse responsibility ; Replace the system components immediately if any need.
4.24 hours telephone service hotline.
FAQ
Q1:What’s the brand name of your products ?
A:Generally, we use our own brand “WTJX”, OEM is also available as required.
Q2:Hydraulic cylinder internal leakage?
A: There are 3 main reasons causing internal leakage : Overload, polishing is not well controlled, bad seal kits. As is known to all, vehicles in China are often overload,our products all designed to bear the overload power. We have numerical control machine to assure the polish processing. And we use the imported seals to meet customers’ demands.
Q3:Does your piston rod get ruptured easily?
A: Hard chrome plating quenched and tempered 45# steel for piston rod to assure sufficient hardness and toughness.
Q4:What about the quality feedback of your products?
A: Guarantee the quality from the raw material. We have cold drawing production line and nickel-chrome electroplating production line, so we can produce cold-drawing pipe and hard-chrome pipe used for hydraulic cylinder!
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How does a hydraulic ram contribute to efficient and powerful force generation?
A hydraulic ram utilizes specific design principles and mechanisms to generate efficient and powerful forces. Here’s a detailed explanation:
1. Water Hammer Effect: The hydraulic ram harnesses the water hammer effect to generate powerful forces. When water flows into the ram during the drive phase, it gains velocity and momentum. As the water reaches a certain pressure threshold, the valve mechanism rapidly closes, creating a water hammer effect. This sudden closure of the valve generates a high-pressure pulse that propels a portion of the water to a higher elevation, producing a powerful force.
2. Momentum Transfer: The hydraulic ram efficiently transfers the momentum of flowing water to generate force. The momentum of the moving water is converted into mechanical work as the water hammer effect occurs. By utilizing the kinetic energy of the water, the hydraulic ram maximizes the efficiency of force generation.
3. Energy Recovery: One of the key features of a hydraulic ram is its ability to recover and reuse energy. As the water hammer effect occurs and the high-pressure pulse lifts a portion of the water, the remaining water in the ram’s drive pipe decelerates. This deceleration allows the kinetic energy of the water to be converted back into potential energy, which can be used to pump a new cycle of water. This energy recovery mechanism enhances the overall efficiency of the hydraulic ram.
4. Mechanical Advantage: A hydraulic ram incorporates mechanical advantage through its design. The valve mechanism and other components are optimized to multiply the force generated by the water hammer effect. By leveraging mechanical advantage, the hydraulic ram can produce a more powerful force output compared to the input force from the flowing water.
5. Self-Sustaining Operation: A hydraulic ram operates in a self-sustaining manner, requiring minimal external power sources. Once the ram is set up and primed with water, it can continue to operate using the energy of flowing water. This self-sustainability contributes to the efficiency of force generation, as it eliminates the need for continuous external energy input.
6. Simple and Robust Design: The design of a hydraulic ram is relatively simple and robust, enabling efficient force generation. The absence of complex components reduces friction and energy losses. Additionally, the robust design ensures durability and long-term reliability, making hydraulic rams suitable for various applications.
Through the water hammer effect, momentum transfer, energy recovery, mechanical advantage, self-sustaining operation, and a simple yet robust design, a hydraulic ram maximizes the efficiency and power of force generation. These features make hydraulic rams an effective and reliable choice for pumping water and harnessing hydraulic power.
Can hydraulic rams be used in construction equipment like bulldozers?
Yes, hydraulic rams are commonly used in construction equipment like bulldozers. Here’s a detailed explanation:
1. Blade Control: Bulldozers are equipped with large blades mounted at the front, which are used for various tasks such as pushing and leveling soil, debris, or other materials. Hydraulic rams play a crucial role in controlling the movement of these blades. The hydraulic rams are connected to the bulldozer’s hydraulic system and enable the operator to adjust the angle, height, and tilt of the blade. By utilizing hydraulic rams, bulldozer operators can precisely control the blade’s position and apply the necessary force for efficient earthmoving and grading operations.
2. Ripper Attachment: Bulldozers often have ripper attachments at the rear of the machine. The ripper is used to break up hard or compacted soil, rocks, or pavement surfaces. Hydraulic rams are utilized to control the movement of the ripper attachment. The rams enable the operator to raise, lower, and angle the ripper, allowing for effective penetration and loosening of the ground. Hydraulic rams provide the necessary force and control to handle tough materials and enhance the bulldozer’s versatility in various construction applications.
3. Track System: Bulldozers feature a track system for mobility and traction on rough terrain. Hydraulic rams are integral components of the bulldozer’s track system, responsible for controlling the movement and tension of the tracks. The rams allow for adjustments in track tension to optimize the grip and stability of the bulldozer when operating on different ground conditions. By utilizing hydraulic rams in the track system, bulldozers can maneuver efficiently and maintain traction even in challenging construction environments.
4. Hydraulic Power: Hydraulic rams in bulldozers are powered by a hydraulic system that consists of a hydraulic pump, valves, and actuators. The hydraulic system provides the necessary power and control to operate the hydraulic rams effectively. Bulldozers typically have robust hydraulic systems capable of generating high forces, allowing the rams to exert significant pushing or lifting capabilities. The hydraulic power provided by the system enables bulldozers to perform heavy-duty construction tasks with precision and efficiency.
5. Operator Control: Bulldozer operators have control over the hydraulic rams through hydraulic control levers or joysticks in the operator cabin. These controls allow operators to manipulate the position, speed, and force of the hydraulic rams, providing precise control over the blade and ripper attachments. The intuitive and responsive nature of hydraulic controls enhances the operator’s ability to perform tasks accurately and efficiently.
In summary, hydraulic rams are extensively used in construction equipment like bulldozers to control the blade and ripper attachments, manage the track system, provide hydraulic power, and offer operator control. The integration of hydraulic rams enhances the performance, versatility, and productivity of bulldozers in various construction and earthmoving applications.
How is a hydraulic ram different from other hydraulic devices?
A hydraulic ram differs from other hydraulic devices in several key aspects. Here’s a detailed explanation:
1. Working Principle: The hydraulic ram operates based on the principle of water hammer effect and utilizes the kinetic energy of flowing water to pump a portion of that water to a higher elevation. In contrast, other hydraulic devices, such as hydraulic cylinders or hydraulic motors, typically rely on pressurized fluid, usually oil or hydraulic fluid, to generate mechanical force or rotational motion.
2. Energy Source: The hydraulic ram harnesses the energy of flowing water, which is often a renewable and readily available energy source. It does not require external power sources, such as electricity or fossil fuels, to operate. On the other hand, other hydraulic devices typically rely on external power, such as electric motors or engines, to drive the hydraulic fluid and generate hydraulic force or motion.
3. Application: The primary application of a hydraulic ram is to pump water from a lower elevation to a higher elevation, typically for irrigation, water supply, or other similar purposes. It is commonly used in areas with a natural flow of water. In contrast, other hydraulic devices have a wide range of applications across various industries, including construction, manufacturing, automotive, and aerospace. Hydraulic cylinders are commonly used for linear actuation and force generation, while hydraulic motors are used for rotating machinery and motion control.
4. Control and Adjustability: Hydraulic rams have limited control and adjustability compared to other hydraulic devices. The operation of a hydraulic ram is primarily dependent on the water flow and pressure fluctuations. While adjustments can be made to the valve opening or air vessel size, the control over the hydraulic ram’s performance is relatively limited. In contrast, other hydraulic devices offer greater control and adjustability through the use of control valves, flow regulators, pressure sensors, and other components. This allows for precise control of force, speed, and direction in hydraulic systems.
5. Complexity and Components: Hydraulic rams are relatively simple in design and have fewer components compared to other hydraulic devices. They typically consist of a drive pipe, delivery pipe, valve, and air vessel. Other hydraulic devices, such as hydraulic cylinders or hydraulic motors, often have more complex designs with additional components, such as pistons, seals, control valves, and hydraulic lines. The complexity of these devices allows for a wider range of functionalities and precise control but also requires more intricate maintenance and system design.
6. Efficiency: Hydraulic rams are known for their efficiency in converting the energy of flowing water into mechanical work. They can achieve high efficiency levels, especially when properly designed and installed. Other hydraulic devices can also be highly efficient, but their efficiency can be influenced by factors such as fluid leaks, friction losses, and mechanical inefficiencies in the system.
Overall, the hydraulic ram stands out as a specialized hydraulic device that utilizes the energy of flowing water for pumping applications. While it may have limitations in terms of control and adjustability compared to other hydraulic devices, its unique working principle and reliance on renewable energy make it a suitable choice in specific situations where a natural water source is available.
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editor by Dream 2024-10-09