Product Description
Hoist cylinder KRM183
Model
Part No.: KRM183
Product introduce
This type of cylinder and system is common in North America, with stroke 832 mm, and working pressures up to 11.8 Mpa. The hard-chromed piston rod keeps the cylinder’s life extended.
Specification
Hoist mechanism height (mm), dimensions and weight (approx.)
| Length(mm) | Width(mm) | Height(mm) | Min.closed length(mm) | Weight(kg) |
| 1740 | 592 | 541 | 1175 | 464 |
Hoist cylinder and pump combination specification (approx.)
| Hoist cylinder KRM | Working pressure | 11.8 | Gear | Rotating speed | 800 |
| 120 | Discharge Volume(ml/rev.) | 136 | |||
| Inner diameter | 180 | Max. Texting pressure | 20.6 | ||
| Min.close distance | 1108 | 210 | |||
| Piston rod diameter | 80 | Weight 37 | 10 | ||
| Max.pressure | 20.6 | ||||
| 210 |
Hoist mounting and maximum lifting capacity
| Recommemded truck G.W.(kg) | Body Length (mm) | Rear overhang Length(mm) | Distance between load center and hinge(mm) | Distance beteween trunning and hinge(mm) | Rated lifting capacity(kg) | Designed max.lifting capacity |
| 21000-29000 | 5300 | 900 | 1750 | 2480 | 15000-25000 | 40700/53 |
Company introduction
HangZhou CHINAMFG is a comprehensive manufacturing enterprise engaged in hydraulic cylinders, excavator attachment, metal casting, hydraulic components with certification approval to meet custom or OEM requirements.
ROCA owns factories that offer customers effective-cost products with quality assurance. With its professional and experienced R&D team, CHINAMFG Hydraulic devotes itself to research and development to optimize products applied in construction, mining, waster management, forestry, agriculture, etc.
Hydraulic cylinders are the most effective and efficient method of pushing, pulling, lifting, and lowering.
Nowadays hydraulic cylinders play an essential role in daily application and industry:
√ Mining
√ Earthmoving & Construction
√ Agriculture &Forestry
√Waste Management & Material Handing
√Ship crane & offshore
Select the right cylinders for an application is critical in obtaining maximum performance and reliability.
ROCA team takes all your concerns into consideration to suit your hydraulic cylinder requirements.
Together, we work out the best design solution for your application.
| Application: | Hoist, Crane, Lifting Platform |
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| Warranty: | 1 Year |
| Seal: | Parker, Merkel, Hallite, Kaden, Nok, etc |
| Customization: |
Available
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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How does a lift cylinder contribute to efficient and reliable lifting?
A lift cylinder plays a crucial role in enabling efficient and reliable lifting operations. Here’s an explanation of how a lift cylinder contributes to efficient and reliable lifting:
1. High Lifting Capacity:
Lift cylinders are specifically designed to provide high lifting capacities. They can generate substantial force to lift heavy loads, making them well-suited for material handling tasks that involve large or bulky items. The high lifting capacity ensures that the cylinder can effectively handle the intended load, contributing to efficient lifting without the need for additional equipment or manual labor.
2. Precise Control:
Lift cylinders offer precise control over the lifting process. By regulating the flow and pressure of hydraulic fluid, operators can achieve accurate positioning and controlled movements. This level of control allows for efficient and precise placement of the load, reducing the risk of damage to the load or surrounding objects. The precise control also enables operators to optimize the lifting process, saving time and effort.
3. Smooth and Stable Operation:
Lift cylinders provide smooth and stable operation during lifting operations. The hydraulic system ensures that the lifting motion is steady and controlled, minimizing jerking or sudden movements. This smooth operation is important for the safe handling of delicate or fragile materials. It also enhances operator confidence and reduces the risk of accidents, contributing to reliable lifting performance.
4. Quick Response Time:
Lift cylinders offer quick response times, allowing for efficient and timely lifting operations. When activated, the hydraulic system quickly directs fluid into the cylinder, initiating the lifting motion. This rapid response time reduces downtime and enables operators to complete lifting tasks more efficiently.
5. Durability and Reliability:
Lift cylinders are built to withstand the demands of heavy-duty lifting operations. They are constructed with durable materials and designed to handle repetitive lifting tasks over extended periods. The robust construction and reliable performance of lift cylinders ensure that they can consistently deliver efficient lifting performance without frequent breakdowns or malfunctions.
6. Safety Features:
Lift cylinders often incorporate safety features to enhance reliability during lifting operations. These features can include load-holding valves, pressure relief valves, and fail-safe mechanisms. Load-holding valves prevent the load from dropping in the event of hydraulic pressure loss, ensuring the load remains securely lifted. Pressure relief valves protect the system from excessive pressure, preventing potential damage. Fail-safe mechanisms provide additional safety by engaging in the event of a system failure or power loss. The presence of these safety features contributes to reliable and safe lifting operations.
7. Integration with Control Systems:
Advanced lift cylinders can be integrated with control systems, such as electronic controls or programmable logic controllers (PLCs). This integration allows for automation and optimized control of the lifting process. By incorporating sensors, feedback mechanisms, and pre-programmed sequences, the lift cylinder can operate efficiently and reliably with minimal operator intervention.
In summary, a lift cylinder contributes to efficient and reliable lifting through its high lifting capacity, precise control, smooth and stable operation, quick response time, durability and reliability, incorporation of safety features, and integration with control systems. These features and capabilities ensure that the lifting process is efficient, accurate, and safe, thereby enhancing overall lifting performance.
How does a lift cylinder handle variations in hydraulic seal technology?
A lift cylinder is designed to accommodate variations in hydraulic seal technology. Here’s an explanation of how lift cylinders handle these variations:
1. Seal Types:
Hydraulic seal technology offers various types of seals, including O-rings, lip seals, V-rings, and wipers. Lift cylinders are designed to incorporate different seal types based on the specific requirements of the application. The selection of seal types depends on factors such as pressure, temperature, fluid compatibility, and environmental conditions. Lift cylinders are manufactured with the necessary seal grooves and configurations to accommodate these variations in seal types.
2. Seal Materials:
Hydraulic seals are manufactured using different materials, such as rubber, polyurethane, PTFE (polytetrafluoroethylene), and various composite materials. Each material offers specific properties, including resistance to wear, temperature, chemicals, and extrusion. Lift cylinders are engineered to work with different seal materials, ensuring compatibility and optimal performance. The cylinder design takes into account the specific characteristics and requirements of the seal materials used.
3. Seal Profiles and Dimensions:
Hydraulic seals come in various profiles and dimensions to suit different applications and equipment. Lift cylinders are designed with corresponding seal grooves and dimensions to accommodate the specific seal profiles. The seal profiles may include standard shapes such as U-cups, piston seals, rod seals, and specialized profiles for specific sealing requirements. Lift cylinders are manufactured with precise tolerances to ensure proper installation and sealing effectiveness.
4. Sealing Performance and Efficiency:
Lift cylinders are engineered to provide optimal sealing performance and efficiency. They are designed to minimize leakage and maintain the required hydraulic pressure during operation. The cylinder components, including the piston, rod, and cylinder housing, are precisely machined to ensure a tight fit and prevent bypass of hydraulic fluid. Lift cylinders undergo rigorous testing and quality control measures to verify their sealing performance and efficiency under various operating conditions.
5. Seal Maintenance and Replacement:
Lift cylinders are designed to facilitate seal maintenance and replacement. Over time, hydraulic seals may wear out or degrade due to factors such as usage, environmental conditions, or fluid contamination. Lift cylinders are constructed to allow for easy access to the seals, making maintenance and replacement procedures efficient. This design consideration reduces downtime and ensures the longevity of the lift cylinder’s sealing system.
In summary, lift cylinders are engineered to handle variations in hydraulic seal technology by accommodating different seal types, materials, profiles, and dimensions. Their design ensures optimal sealing performance, efficiency, and ease of maintenance. By incorporating the appropriate seal technology, lift cylinders maintain the integrity of the hydraulic system, prevent leaks, and ensure reliable and efficient operation.
How does a lift cylinder differ from other types of hydraulic cylinders?
A lift cylinder, also known as a hydraulic lift cylinder or hydraulic lifting cylinder, has some distinct characteristics that set it apart from other types of hydraulic cylinders. Here’s an explanation of how a lift cylinder differs from other hydraulic cylinders:
While hydraulic cylinders come in various types and designs, including single-acting, double-acting, telescopic, and differential, a lift cylinder typically refers to a double-acting cylinder. Here are some key differences:
1. Double-Acting Design:
A lift cylinder is generally designed as a double-acting cylinder, meaning it can generate force in both the extension and retraction strokes. This allows for bidirectional movement and greater flexibility in lifting and lowering operations. In contrast, some other types of hydraulic cylinders, such as single-acting cylinders, generate force in only one direction.
2. Linear Motion:
The primary function of a lift cylinder is to provide linear motion for lifting and lowering loads. It is specifically designed to generate vertical movement, making it suitable for applications that require vertical displacement, such as hydraulic lifts, scissor lifts, and elevating platforms.
3. Load Capacity:
Due to their design and intended use, lift cylinders are typically designed to handle heavier loads compared to other types of hydraulic cylinders. They are engineered to provide high lifting capacities and withstand the forces associated with lifting heavy objects.
4. Control Valve Configuration:
Lift cylinders often require specialized control valve configurations to regulate their operation. This is because precise control is crucial in lifting and lowering operations, especially in applications where safety and accuracy are paramount, such as in hydraulic lifts or elevators.
5. Application-Specific:
While other types of hydraulic cylinders have diverse applications across various industries, lift cylinders are commonly used in specific applications that require vertical lifting and lowering. They are frequently employed in hydraulic lifts, scissor lifts, material handling equipment, and other vertical motion systems.
6. Construction and Mounting:
Lift cylinders may have specific construction features and mounting options to accommodate their application requirements. For example, they may include features like safety locks, cushioning mechanisms, or specialized mounting brackets to ensure secure and efficient operation in lifting applications.
In summary, a lift cylinder differs from other types of hydraulic cylinders in terms of its double-acting design, focus on linear motion for lifting and lowering, higher load capacity, specialized control valve configuration, application-specific usage, and construction features tailored for lifting applications. These distinctions make lift cylinders well-suited for vertical motion systems and applications that require reliable and precise lifting operations.
editor by CX 2023-10-27