Product Description
Product Description
Our company can design and produce marine machinery hydraulic cylinders, vehicle engineering hydraulic cylinders, engineering machinery hydraulic cylinders, and metallurgical machinery hydraulic cylinders by ourselves. It has the characteristics of simple structure, reliable operation, convenient disassembly and assembly, easy maintenance, buffer device and various connection methods.
The inner diameter of the cylinder barrel adopts rolling or honing and polishing processing technology to ensure very high dimensional accuracy, geometric accuracy and surface roughness; the cylinder barrel and tailstock ring welding seam is completed using a special cylinder ring seam automatic welding machine, which is 100% ultrasonic Flaw detection, in line with the standard Class I requirements; the exposed surface of the piston rod when it is extended is all chromium-plated, and will not rust even if it works in sea fog for a long time; various performance tests are carried out on the hydraulic cylinder test bench before leaving the factory; hydraulic pressure Cylinder seals can be of internationally renowned brands, such as British Hallite, or domestic CHINAMFG brands, such as ZheJiang ‘s DZ, etc. We can provide CCS classification society approval certificates.
Customized service
We can offer OEM ODM service,please offer us below data:
Bore size;Stroke length;Rod Diameter;Mounting Type; Mounting length;Paint color requirement.
Specification
Production Process
More Product
Application scenarios
Our company
HangZhou zhonghai marine Machinery Co., Ltd., formerly HangZhou Northern Shipping Engineering Co., Ltd., was established in 1997 and has experienced 26 years of development.
About Us
HangZhou Zhonghai Marine Machinery Co., Ltd. was established in 2008 with a registered capital of 5 million yuan. formerly HangZhou Northern Shipping Engineering Co., Ltd., was established in 1997 and has experienced 26 years of development.The company is a private enterprise and is located in Liuting New Building Materials Industrial Park, CHangZhou District, HangZhou City, ZheJiang Province. The company’s production plant covers an area of 5,000 square meters. Its leading products include: marine Hydraulic systems of life-saving/rescue equipment, special equipment for shipyards; hydraulic cylinders, hydraulic winches, hydraulic pump stations, hydraulic control valve groups, high-pressure hoses, pipe joints, etc. At the same time, the company also undertakes projects such as hydraulic equipment maintenance, hydraulic cylinder maintenance, and non-standard design of hydraulic equipment. There are currently 45 employees. It has an automatic cylinder welding machine, a special cylinder test bench, a high-pressure hose cutting, stripping, crimping, flushing and bursting pressure test bench, CNC plasma, flame cutting machine, 20t gantry crane, vertical machining center, CNC lathe and general lathe, grinding machine , planing, milling, boring and other equipment.
The company now has a design and R&D space of 200 square meters, more than 10 sets of major scientific research equipment, 15 people with a college degree or above, and 13 technical staff. R&D tasks are formulated every year based on market and enterprise development.
The hydraulic cylinders and hydraulic winches produced by the company have obtained product certifications from CCS (China Classification Society), BV (Bureau Veritas), and DNV (Det Norske Veritas) respectively. The hydraulic systems, hydraulic cylinders, hydraulic winches and high-pressure hoses it produces are exported to the United States, Japan, South Korea, Singapore and other countries.
Honor certificate
Capacity of R&D Research
The company now has a design and R&D space of 200 square meters, more than 10 sets of major scientific research equipment, 15 people with a college degree or above, and 13 technical staff. R&D tasks are formulated every year based on market and enterprise development.
Team building
Quality Control
1.We have a professional and senior design team and all specification is designed by professional engineers.
2.All product is processed by skilled workers and advanced CNC lathe.
3.All cylinders are 100% tested before package .
4.One year warranty and long time track service is offered to solve any problems of after sale.
5.We can provide China Classification Society certificate.
FAQ
Q1: Do you accept OEM/ODM manufacturing?
A1: Yes! We do accept OEM/ODM manufacturing.
We will make the exact product according to your specification and drawing.
Q2: Could we get small quantity samples?
A2: Yes! We understand the quality test is important and we are glad to make the sample for you.
The MOQ is 1 pcs.
Q3: How long is the production time?
A3: Generally the production time is 30 days.
Contact us
Amy qiu
HangZhou Zhonghai Marine Machinery Co., Ltd.
Address:No. 37 Yuting Road, Liuting Street, CHangZhou District, HangZhou City
Mobile:
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| Certification: | ISO9001 |
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| Pressure: | High Pressure |
| Work Temperature: | Normal Temperature |
| Acting Way: | Double Acting |
| Working Method: | Straight Trip |
| Structure: | Piston Type |
| Customization: |
Available
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Can double-acting hydraulic cylinders be employed in material handling equipment for pushing and pulling?
Yes, double-acting hydraulic cylinders are commonly employed in material handling equipment for pushing and pulling tasks. Here’s a detailed explanation:
1. Pushing Function: Double-acting hydraulic cylinders can generate significant pushing force, making them well-suited for material handling equipment that requires pushing capabilities. By supplying pressurized hydraulic fluid to one side of the cylinder, the piston extends, exerting force in the desired direction. This force can be utilized to push heavy objects, such as crates, pallets, or machinery components. The ability to generate substantial pushing force allows material handling equipment to move or position loads efficiently.
2. Pulling Function: In addition to pushing, double-acting hydraulic cylinders can also be employed for pulling tasks in material handling equipment. By supplying fluid to the opposite side of the cylinder, the piston retracts, creating a pulling force. This pulling force enables the equipment to tow or drag objects, such as trailers or carts, facilitating material transport within a facility or across a worksite.
3. Bi-Directional Force Generation: The bi-directional operation of double-acting hydraulic cylinders is advantageous for both pushing and pulling applications. By utilizing both the extension and retraction strokes, material handling equipment can generate force in both directions, enhancing versatility and productivity. The ability to generate force in multiple directions allows for efficient maneuvering, positioning, and handling of various loads, contributing to the overall effectiveness of the material handling process.
4. Control and Precision: Double-acting hydraulic cylinders provide precise control over the pushing and pulling forces exerted by material handling equipment. The hydraulic system can be designed with valves, control systems, and pressure regulation mechanisms to adjust and fine-tune the force output. This level of control enables operators to apply the necessary force with precision, preventing damage to the handled materials or equipment. The ability to control and modulate the force also ensures the safety of operators and enhances the overall efficiency of material handling operations.
5. Adaptability and Customization: Double-acting hydraulic cylinders can be adapted and customized to meet the specific requirements of material handling equipment. They can be designed with different stroke lengths, bore sizes, and mounting configurations to fit the equipment’s structure and hydraulic system. This adaptability allows for seamless integration of the hydraulic cylinders into the material handling equipment, optimizing performance, and ensuring efficient pushing and pulling operations.
Given their capability for pushing and pulling functions, bi-directional force generation, control and precision, as well as adaptability and customization, double-acting hydraulic cylinders are widely employed in material handling equipment for efficient and effective pushing and pulling tasks.
Can double-acting hydraulic cylinders be used in automotive repair and maintenance?
Yes, double-acting hydraulic cylinders can be extensively used in automotive repair and maintenance. Here’s a detailed explanation:
1. Lifting and Lowering Vehicles: Double-acting hydraulic cylinders are commonly employed in automotive lifts and jacks for lifting and lowering vehicles. These cylinders provide the necessary force to raise vehicles off the ground, allowing mechanics to access the underside of the vehicle for repairs, maintenance, or inspections. The bidirectional force generation of double-acting cylinders enables precise control over the lifting and lowering process, ensuring the safety and stability of the vehicle during automotive tasks.
2. Pressing and Clamping: Automotive repair often involves pressing or clamping components together during assembly or disassembly processes. Double-acting hydraulic cylinders can be used in hydraulic presses or clamping devices to provide the required force. By supplying hydraulic pressure to one side of the cylinder, the piston extends, applying force to press or clamp components together. By supplying pressure to the other side, the piston retracts, releasing the pressure. This capability allows for precise and controlled pressing or clamping operations in automotive repair and maintenance.
3. Brake and Suspension System Maintenance: Double-acting hydraulic cylinders play a vital role in brake and suspension system maintenance. For example, when bleeding brake lines, a hydraulic cylinder can be used to pressurize the brake system and force the air bubbles out of the brake fluid. Similarly, in suspension system maintenance, hydraulic cylinders can be employed to compress or decompress suspension components, facilitating repairs or replacements. The precise force control offered by double-acting cylinders ensures accurate and effective maintenance of these critical automotive systems.
4. Engine Hoists and Tilters: Engine repair and maintenance often require lifting, tilting, or removing heavy engines from vehicles. Double-acting hydraulic cylinders are utilized in engine hoists and tilters to provide the necessary force for these tasks. The cylinders can be integrated into lifting mechanisms, allowing controlled lifting and tilting of engines for access to various components or for engine removal and installation. The precise force application of double-acting cylinders ensures the safe handling of heavy engine assemblies.
5. Wheel Alignment and Balancing: Double-acting hydraulic cylinders are also used in wheel alignment and balancing equipment. These cylinders provide the force required to adjust wheel angles and balance tires accurately. By applying precise force to the wheel clamps or alignment mechanisms, the cylinders enable mechanics to align wheels correctly and achieve balanced tire rotations, ensuring optimal vehicle performance, safety, and tire longevity.
Given their applications in lifting and lowering vehicles, pressing and clamping operations, brake and suspension system maintenance, engine hoisting and tilting, as well as wheel alignment and balancing, double-acting hydraulic cylinders are indispensable in automotive repair and maintenance. Their precise force control and versatility make them valuable tools for mechanics and technicians in the automotive industry.
What is a double-acting hydraulic cylinder and how does it function?
A double-acting hydraulic cylinder is a type of hydraulic cylinder that can generate force in both directions of its stroke. Here’s a detailed explanation of its function:
1. Design and Construction: A double-acting hydraulic cylinder consists of a cylindrical barrel, a piston, and two hydraulic ports. The barrel is sealed at both ends, and the piston divides the interior of the cylinder into two chambers. The hydraulic ports are connected to a hydraulic system, allowing the flow of hydraulic fluid into and out of the cylinder.
2. Functionality: The double-acting hydraulic cylinder operates using hydraulic pressure to extend and retract the piston, generating force in both directions. Here’s how it functions:
– Extension Stroke: When hydraulic fluid is supplied to the port connected to the rod end of the cylinder, it enters the cylinder’s rod-end chamber. The pressure of the hydraulic fluid pushes against the piston, causing it to move away from the rod end and extend the cylinder’s rod. This extension stroke generates a pushing force at the rod end of the cylinder.
– Retraction Stroke: Conversely, when hydraulic fluid is supplied to the port connected to the cap end of the cylinder, it enters the cylinder’s cap-end chamber. The pressure of the hydraulic fluid pushes against the piston from the opposite direction, causing it to move towards the rod end and retract the cylinder’s rod. This retraction stroke generates a pulling force at the rod end of the cylinder.
3. Sealing Mechanism: To ensure efficient operation, double-acting hydraulic cylinders incorporate sealing mechanisms. These seals prevent hydraulic fluid leakage between the piston and the cylinder barrel, maintaining the separation of the two chambers.
4. Control and Application: The operation of double-acting hydraulic cylinders is controlled by the hydraulic system supplying and retracting hydraulic fluid. By controlling the flow and pressure of the hydraulic fluid, operators can regulate the extension and retraction speeds and precisely control the force generated by the cylinder. Double-acting hydraulic cylinders find applications in various industries, including manufacturing, construction, mining, agriculture, and more, where controlled linear force is required for tasks such as lifting, pushing, pulling, and clamping.
In summary, a double-acting hydraulic cylinder is a hydraulic component capable of generating force in both directions of its stroke. By supplying hydraulic fluid to the appropriate ports, the cylinder extends or retracts its piston, creating pushing or pulling forces. The sealing mechanism ensures efficient operation, and the control of hydraulic fluid flow allows for precise force control. Double-acting hydraulic cylinders are widely used in diverse industries for a range of applications that require controlled linear force.
editor by CX 2023-12-31