China OEM Double Acting Hollow Hydraulic Cylinder for Bridge Construction a/c vacuum pump

Product Description

Double Acting Hollow Hydraulic Cylinder for Bridge Construction

1. Describe:
RRH series of double acting hollow hydraulic jack has all the function of general hydraulic
jack, and it also has the function of pulling. It also used for tension PC strands, steel wire,
axle and drill rod.

If the model you are looking for is not available, please contact us! We will customize it according to your needs.

2. Features:
Double acting design can highly improve the convenience.
Built-in safe valve can protect jack when over loading.
Cylinder can bear Max loading when Max stroke.
High quality seal ring make the jack’s life more long, no oil leakage.

3. Technology data:

Model Tonnage Central OD ID Height Stroke Dia. Of piston rod Tension ares
Unit Ton mm mm2
RRH60-200 60 58 180 140 370 200 110 10362
RRH80-200 80 67 200 160 370 200 125 13737.5
RRH100-200 100 78 230 180 370 200 140 17584
RRH120-200 120 78 245 200 370 200 150 23550
RRH150-200 150 100 270 220 380 200 170 24727.5
RRH200-200 200 120 325 270 380 200 200 37130.5
RRH250-200 250 130 350 290 390 200 220 43332
RRH300-200 300 146 380 320 400 200 260 54950
RRH350-200 350 165 400 340 415 200 260 59346
RRH400-200 400 165 450 360 420 200 270 70336
RRH450-200 450 175 480 380 420 200 280 78735.5
RRH500-200 500 196 500 400 430 200 300 84735
RRH650-200 650 240 600 480 470 200 360 119320
Remark Tonnage, stroke, central and height can be customized according to your requirements.

4.Application:
Our hydraulic jacks have been widely used for industrial field, such as steel plant, cement industry, chemical and refinery, bridge, railway, highway, hydropower station, ship repair, building, construction and maintenance.

5.Company information:
HangZhou Lead Equipment Co., Ltd. Have been in hydraulic tools industry since 2009. Our main products as follow:
Single acting hydraulic jack/cylinder/ram (10-100 tons)
Single acting hollow hydraulic jack/cylinder/ram (12-100 tons)
Double acting hydraulic jack/cylinder/ram (50-2000 tons)
Double acting hollow hydraulic jack/cylinder/ram (50-2000 tons)
Single acting hydraulic jack/cylinder/ram with lock nut (55-200 tons)
Thin type single acting hydraulic jack/cylinder/ram (10-200 tons)
Ultrathin hydraulic jack/cylinder/ram (10-200 tons)
Flange type hydraulic jack/cylinder/ram (10-630 tons)
Synchronous hydraulic jack (10-1000 tons)
Hydraulic accessories: high pressure oil hose, couplers, seal kits, mainfold, etc.
All the tonnage, stroke, height can be customized according to client’s requirements, supply the best quality and serve. Our warranty is 2 years.

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Material: Steel
Usage: Hydraulic Cylinder
Structure: Hydraulic Cylinder
Power: Hydraulic
Standard: Standard
Pressure Direction: Double-acting Cylinder
Customization:
Available

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double acting hydraulic cylinder

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.

double acting hydraulic cylinder

How does a double-acting hydraulic cylinder handle variations in cylinder stroke and extension?

A double-acting hydraulic cylinder is designed to handle variations in cylinder stroke and extension effectively. Here’s a detailed explanation:

1. Bidirectional Operation: One of the key advantages of a double-acting hydraulic cylinder is its ability to generate force in both the extending and retracting strokes. This bidirectional operation allows the cylinder to handle variations in stroke and extension. Whether the cylinder needs to extend or retract, hydraulic fluid can be supplied to the appropriate side of the cylinder, enabling the desired movement. This flexibility in operation allows for easy adjustment to accommodate different stroke lengths and extension requirements.

2. Adjustable Stroke Length: Double-acting hydraulic cylinders often feature adjustable stroke lengths. The stroke length refers to the distance the piston can travel within the cylinder. By adjusting the position of the end stops or limit switches, the stroke length of the cylinder can be modified to match specific application requirements. This adjustability enables the cylinder to handle variations in stroke length and extension, allowing for precise positioning and the accommodation of different workpiece sizes or operational needs.

3. Control of Hydraulic Fluid Flow: The flow rate and pressure of the hydraulic fluid can be controlled to manage variations in cylinder stroke and extension. By adjusting the flow control valves and regulating the hydraulic pressure, operators can achieve the desired speed and force during cylinder operation. This control over fluid flow allows for smooth and controlled movement, compensating for any variations in stroke length or extension requirements.

4. Position Sensing and Feedback: Double-acting hydraulic cylinders often incorporate position sensing devices or feedback mechanisms. These sensors can detect the position of the piston within the cylinder and provide feedback to the control system. By monitoring the position feedback, operators can ensure accurate and consistent stroke lengths and extensions. This feedback loop helps to maintain precise control over the cylinder’s movement, compensating for any variations and ensuring reliable performance.

5. Robust Construction and Tolerance Compensation: Double-acting hydraulic cylinders are built with robust construction and designed to handle variations in stroke and extension. They are typically manufactured with close tolerances to minimize internal leakage and ensure efficient operation. Additionally, the seals and piston rings used in the cylinder are designed to accommodate minor variations and provide a reliable and consistent seal, compensating for any tolerance differences and maintaining the integrity of the hydraulic system.

Through bidirectional operation, adjustable stroke length, control of hydraulic fluid flow, position sensing and feedback, as well as robust construction and tolerance compensation, double-acting hydraulic cylinders effectively handle variations in cylinder stroke and extension. These features make them versatile and adaptable components in various industries, including manufacturing, construction, and automation.

double acting hydraulic cylinder

What are the key components and design features of a double-acting hydraulic cylinder?

A double-acting hydraulic cylinder consists of several key components and incorporates specific design features to enable its functionality. Here’s a detailed explanation:

1. Barrel: The barrel, also known as the cylinder tube, is a cylindrical structure that provides the main body of the hydraulic cylinder. It is typically constructed from high-strength, durable materials such as steel or aluminum to withstand the hydraulic pressure and external forces.

2. Piston: The piston is a cylindrical component that divides the interior of the hydraulic cylinder into two chambers—the cap-end chamber and the rod-end chamber. It is usually made of materials like steel or cast iron. The piston is designed to fit tightly within the barrel, forming a seal to prevent hydraulic fluid leakage between the chambers.

3. Rod: The rod, also known as the piston rod or plunger, is connected to the piston and extends through one end of the hydraulic cylinder. It provides the external connection point for attaching loads or other mechanical components. The rod is typically made of high-strength steel to withstand the forces applied during operation.

4. Seals: Seals are essential components in double-acting hydraulic cylinders to maintain the separation of the two chambers and prevent hydraulic fluid leakage. There are various types of seals used, including piston seals, rod seals, and wiper seals. These seals are typically made of materials such as rubber or polyurethane and are designed to provide an effective barrier against fluid leakage.

5. Hydraulic Ports: A double-acting hydraulic cylinder has two hydraulic ports—one connected to the cap end and the other connected to the rod end of the cylinder. These ports enable the inflow and outflow of hydraulic fluid to and from the respective chambers. The hydraulic ports are typically equipped with fittings or connectors to facilitate the connection of hydraulic hoses or pipes.

6. Mounting Options: Double-acting hydraulic cylinders are designed with various mounting options to facilitate their installation and integration into hydraulic systems. Common mounting options include flange mounts, trunnion mounts, clevis mounts, and foot mounts. These mounting options provide flexibility in connecting the hydraulic cylinder to other components or structures.

7. Cushioning Mechanism: Some double-acting hydraulic cylinders incorporate cushioning mechanisms to dampen the impact and decelerate the piston at the end of its stroke. This helps to reduce shock, minimize noise, and prolong the lifespan of the cylinder. Cushioning mechanisms can include adjustable cushions, fixed cushions, or hydraulic cushioning systems.

8. Surface Coatings: Depending on the application and operating conditions, double-acting hydraulic cylinders may feature surface coatings to enhance their performance and durability. Common surface coatings include chrome plating or other corrosion-resistant coatings to protect against wear, corrosion, and environmental factors.

These key components and design features work together to enable the functionality and reliability of double-acting hydraulic cylinders. They allow for the controlled extension and retraction of the piston, the generation of bidirectional force, and the efficient transmission of hydraulic power.

China OEM Double Acting Hollow Hydraulic Cylinder for Bridge Construction   a/c vacuum pump		China OEM Double Acting Hollow Hydraulic Cylinder for Bridge Construction   a/c vacuum pump
editor by CX 2024-02-06