Product Description

Product Description

ROD: Steel 1045, rod with 28-32 HRC hardness, 0.001" chrome thickness ASTM B117-18 salt spray testing up to 96 hours.
TUBE: Precision honed steel for extended seal life.
GLAND: Ductile Iron ASTM A536 65-45-12.
PISTON: Ductile Iron ASTM A536 65-45-12, for increased durability.
BASE END/ROD CELVIS: Casting-steel welding with tube,pins and clips included.
PORTS: Standard SAE(NPT Available CHINAMFG request).
PIN: Steel, zinc plated.
SEALS: Top quality, North American Seals.
CONSTRUCTIN: Heavy Duty welded construction
PAINT: High quality paint for corrosion resistance up to 360 hours. (Standard color: Black).

Detailed Photos

 

About US

 

HangZhou LD Cylinder Co., Ltd. was founded in 1988, LD covers an area of 380,000sq.ft  with more than 150 workers.Through the construction of modern factories, enterprises have realized the transformation from traditional manufacturing to a new model of intelligent manufacturing.
LD application of highly intelligent system software, advanced process flow, automated production lines, innovative technology research and development design, It makes LD developed into a high-tech professional production of hydraulic cylinder Company.

FAQ

Q1. What is LD product's quality assurance?
A1:100% inspection for each product before shipping with inspection rereport for tracking.

Q2: How long is the warranty on LD products?
A2: The warranty is 2 years for general products since the date of shipment.

Q3: How LD deal with the quality problem during warranty period?
A3: 1. LD will take the corresponding cost caused by customer local reparing. 
      2. LD will provide the product by free if the repair cost is higher than the product value, but the freight involved shall be borne by the customer side.

Q4: How to ensure the order can be shipped on time?
A4: LD will send the "production schedule" every week after receiving customers' orders. If any delays, LD will inform customers 3 weeks in advance,      so as to facilitate the customer to arrange the schedule.

Q5: Does LD offer delivery service?
A5: Yes. LD has deep cooperation with logistics companies all over the world to provide customers with quick and convenient "Door-to-         Door services",including sea, air and express.

Q6: How LD control the product quality?
A6:1. Raw materials: We will test the material of each batch of raw materials we receive, and the piston rod will be tested with salt spray. This is to ensure that the material of our products meets the requirements at the beginning.
     2. Processing: We have the leading machining equipment, and obtained ISO9001 certification.
     3. Welding: Our factory is equipped with welding robots, and has obtained the AWS certification.
     4. Assembly pressure test: 100% testing with OQC report for cHangZhou. The seals we use are: Hallite, Aston and Gapi.

 

Certification: ISO9001
Pressure: Medium Pressure
Work Temperature: Normal Temperature
Acting Way: Double Acting
Working Method: Straight Trip
Adjusted Form: Regulated Type
Samples:
US$ 299/Piece
1 Piece(Min.Order)

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Customization:
Available

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lift cylinder

How does a lift cylinder contribute to stable and safe lifting operations?

A lift cylinder plays a crucial role in ensuring stable and safe lifting operations. Here's an explanation of how a lift cylinder contributes to stability and safety:

1. Load Capacity and Stability:

A lift cylinder is designed to handle specific load capacities, and this capacity directly affects the stability of the lifting operation. The cylinder's load rating ensures that it can safely support and lift the intended load without compromising stability. By selecting a lift cylinder with an appropriate load capacity, operators can ensure that the weight of the load is well-distributed and controlled, minimizing the risk of tip-overs or excessive swaying during lifting.

2. Controlled Lifting Speed:

Lift cylinders provide the ability to control the lifting speed, contributing to stable and safe operations. By regulating the hydraulic flow rate, operators can adjust the speed at which the cylinder extends or retracts. This controlled lifting speed allows for precise positioning of the load and reduces the potential for sudden shifts or jerky movements that could compromise stability or cause accidents.

3. Positioning Accuracy:

Lift cylinders offer precise positioning capabilities, ensuring that the load is raised, lowered, or held at the desired height accurately. This accurate positioning is crucial in maintaining stability and preventing unintended movements. Whether it's aligning the load with a specific docking point or achieving precise height adjustments, lift cylinders allow for controlled and stable positioning.

4. Safety Mechanisms:

Lift cylinders often incorporate safety mechanisms to enhance safe lifting operations. These mechanisms can include features such as overload protection, emergency stop functions, or velocity fuses. Overload protection prevents the cylinder from attempting to lift loads beyond its capacity, while emergency stop functions allow for immediate cessation of lifting operations in case of emergencies. Velocity fuses are safety devices that prevent uncontrolled descent of the load in the event of a hydraulic system failure, ensuring stability and preventing accidents.

5. Durability and Reliability:

Lift cylinders are built to withstand demanding operational conditions and provide long-term durability and reliability. They are constructed with robust materials and incorporate seals, bearings, and other components to ensure smooth operation and prevent leaks or failures. The durability and reliability of lift cylinders contribute to stable lifting operations by minimizing the risk of unexpected malfunctions or breakdowns.

In summary, lift cylinders contribute to stable and safe lifting operations through their load capacity and stability, controlled lifting speed, precise positioning accuracy, incorporation of safety mechanisms, and overall durability and reliability. These features ensure that lifting operations can be carried out smoothly, efficiently, and with a reduced risk of accidents or instability.

lift cylinder

Can lift cylinders be used in construction equipment like cranes?

Yes, lift cylinders are commonly used in construction equipment, including cranes. Here's an explanation of their utilization in this context:

Lift cylinders play a crucial role in the lifting and positioning operations of construction equipment, providing the necessary force and control to handle heavy loads and perform various construction tasks.

1. Mobile Cranes:

Lift cylinders are integral components of mobile cranes, such as hydraulic truck cranes and rough terrain cranes. These cylinders are typically employed in the boom and jib systems of the crane. By extending or retracting the lift cylinders, the crane can raise or lower the boom or jib, allowing for vertical lifting and horizontal reach. Lift cylinders enable precise control over the crane's lifting capacity, height, and reach, making them essential for safe and efficient construction operations.

2. Tower Cranes:

In tower cranes, lift cylinders are used to control the movement of the crane's jib and counter-jib. These cylinders facilitate the horizontal slewing of the jib, allowing the crane to cover a wide range of working areas. By adjusting the lift cylinders, the crane operator can position the load at specific locations on the construction site, contributing to accurate and controlled material handling.

3. Crawler Cranes:

Crawler cranes, which are equipped with tracks for mobility, also utilize lift cylinders in their lifting systems. These cylinders enable the crane to raise and lower the boom, adjust the angle of the boom, and control the movement of the load. Lift cylinders in crawler cranes provide the necessary stability and lifting capacity to handle heavy loads in various construction scenarios.

4. Excavators and Backhoes:

Lift cylinders are commonly found in excavators and backhoes used in construction projects. These cylinders are employed to control the movement of the boom, stick, and bucket attachments. By extending or retracting the lift cylinders, operators can perform digging, lifting, and material handling tasks, enhancing the versatility and productivity of the equipment.

5. Other Construction Equipment:

Lift cylinders are also utilized in a wide range of other construction equipment, including concrete pumps, aerial work platforms, telescopic handlers, and articulated dump trucks. These cylinders provide the lifting and positioning capabilities required to perform specific construction tasks, such as concrete pouring, elevated work, material placement, and load handling.

In summary, lift cylinders are extensively used in construction equipment like cranes to enable safe and efficient lifting and positioning operations. Whether in mobile cranes, tower cranes, crawler cranes, excavators, or other construction machinery, lift cylinders contribute to the control, stability, and versatility of the equipment, enhancing productivity and ensuring the successful execution of construction projects.

lift cylinder

What are the safety considerations when using lift cylinders?

When using lift cylinders, it is crucial to prioritize safety to prevent accidents and ensure the well-being of operators and bystanders. Here are some important safety considerations when using lift cylinders:

1. Proper Training:

Operators should receive proper training on the safe operation of lift cylinders. They should be familiar with the equipment's capabilities, limitations, and recommended operating procedures. Training should include understanding hydraulic systems, load capacities, stability factors, and proper positioning techniques.

2. Inspection and Maintenance:

Routine inspection and maintenance of lift cylinders are essential for identifying any potential safety hazards. Regularly check for leaks, damaged components, loose connections, or signs of hydraulic fluid contamination. Ensure that all safety features, such as pressure relief valves and load holding devices, are functioning correctly.

3. Load Capacity and Stability:

It is crucial to know and adhere to the lift cylinder's load capacity limits specified by the manufacturer. Overloading the cylinder can lead to equipment failure, instability, or uncontrolled movements. Properly distribute the load to maintain stability and prevent tipping or imbalance.

4. Secure Mounting:

Ensure that the lift cylinder is securely mounted to the equipment or structure. Follow the manufacturer's guidelines for proper attachment methods and torque specifications. Loose or improper mounting can compromise the stability and safety of the lifting operation.

5. Control of Movement:

Exercise caution and maintain control over the movement of the lift cylinder. Avoid sudden or jerky motions that can destabilize the load or cause the equipment to tip. Use smooth and controlled movements, and be aware of any potential obstacles or hazards in the surrounding area.

6. Personal Protective Equipment (PPE):

Operators and personnel involved in the lifting operation should wear appropriate personal protective equipment, such as safety glasses, gloves, and steel-toed shoes. PPE helps protect against potential hazards, including hydraulic fluid leaks, falling objects, or accidental contact with moving parts.

7. Emergency Procedures:

Establish clear emergency procedures in case of equipment malfunction, hydraulic system failure, or any other unforeseen circumstances. Operators should be trained on how to respond to emergencies, including proper shutdown procedures, communication protocols, and evacuation plans.

8. Environmental Factors:

Consider the environmental conditions in which the lift cylinders are being used. Factors such as extreme temperatures, high humidity, or corrosive atmospheres can affect the cylinder's performance and safety. Take appropriate measures, such as using protective covers or selecting cylinders with suitable material coatings, to mitigate these risks.

In summary, ensuring safety when using lift cylinders involves proper training, regular inspection and maintenance, adhering to load capacity limits, secure mounting, controlled movement, using personal protective equipment, establishing emergency procedures, and considering environmental factors. By following these safety considerations, the risk of accidents or injuries associated with lift cylinder operations can be minimized.

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editor by CX 2023-10-29