Product Description
CAT 777 Spare Part Double Acting Hoist Telescopic Multistage Hydraulic Cylinder
Product Description:
Special structural design, high-strength material use, and special heat treatment and welding processes ensure that the oil cylinder has extremely high fatigue durability under high pressure and heavy load.
The front and rear suspension cylinders can be analyzed and calculated based on the parameters provided by the customer, and the stiffness and damping curves required by the customer can be designed.
The surface of the piston rod adopts special surface treatment to ensure excellent wear and corrosion resistance of the piston rod.
Select heavy-duty sealing rings to meet the harsh working conditions in the mining area, ensuring excellent dust and sealing performance of the oil cylinder.
Select a wide series and high load-bearing integrated guide ring, with strong lateral force resistance ability.
The internal buffer structure of the lifting cylinder can be designed to avoid excessive impact during lifting and lowering processes.
The steering cylinder can be equipped with a displacement sensor to monitor the cylinder stroke in real-time.
The piston accumulator adopts a dual piston design, with high and low pressure chambers to meet various road conditions.
The reliable sealing structure design of the piston accumulator ensures the separation of oil and gas.
Product Display:
Specifications:
| Item | Specifications |
| Bore Diameter | 100mm-450mm,Customized |
| Rod Diameter | 80mm-400mm,Customized |
| Stroke | 200mm-500mm,Customized |
| Working Pressure | 7-45Mpa,Customized |
| Surface treatment of piston rod | HaHard Chrome Plating,Electroplated Milky White Chromium+Hard Chromium,Nickel Plating+Hard Chromium Plating,High-Velocity Oxygen-Fuel CrC NiC,Ceramic Coating,Nitriding,Laser Cladding |
| Tube&Barrel | High tensile cold drawn tube, precision honed for extended seal life |
| Seal Type | Parker,NOK, Hallite GAPI or as customer’s requirement |
| Certificate | ISO9001,CE,SGS. |
| Colour | Yellow,Red,Black,Pink,Customized |
| Packaging | metal case;plywood case;carton or as requirement |
| MOQ | 1pcs,According to products |
| Brand | tianjian or customer’s logo |
| Service | OEM & ODM |
| Production Time | Based on order quantity. normally 30-45days. |
| Price Advantage | Competitive factory price with guaranteed quality |
| Business Type | Manufacturer |
Mounting Method:
Appliactions:Mining Dump Truck
Our Factory:
Inspection Process:
| Inspection Type | Inspection Standard |
| Raw Material Inspection | Before storage, QC takes the measurement of the raw materials. |
| Process Material Inspection | During the production, QCs conduct a random inspection. Before the hydraulic cylinder parts transferred to the next process, QCs takes inspection. |
| Final Function Testing | All the hydraulic cylinders take hydraulic function test |
Packing & Delivery:
About US:Certificates
ZheJiang Tianjian Hydraulic Technology Co.,Ltd is specializing in the production of various types of hydraulic cylinders as well as cylinder barrel, piston cylinder and other cylinder accessories.
As a highly specialized manufacturer of hydraulic cylinders, tianjian provides design optimization solutions and reliable products to many customers at home and abroad. No matter in construction machinery, railway bridge machinery, port ship machinery, metallurgy and mining machinery, oil and light industry machinery, special vehicles and other industries, tianjian can provide various standard and non-standard hydraulic cylinder design optimization schemes and products according to users’ requirements, and provide integrated services for perfection and quality.
Our Customers
If possible, when contact with us, please apply information as below
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Bore |
Rod |
Stroke |
Work Pressure |
Mounting |
Work environment |
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Or you can offer us your sketch diagram or photos so that we could understand you exactly meaning, help us avoid mistakes.
And if you have samples, we can manufacture according to your samples after sending to us.
Welcome to our factory if you have any time.
Your satisfaction is our biggest motivation.
Now, you can contact with us for any question or inquiry.
FAQ:
1, What does your company do?
A: we are a supplier of high quality hydraulic products including Hydraulic Cylinder, Hydraulic Motor, Hydraulic Power Pack, Hydraulic station and other Hydraulic components.
2, Are you a manufacture or a trading company?
A: We are a manufacturer.
3, What certificate do you have?
A: All our factories are ISO certificated. And our main suppliers of materials and parts are with CE, RoHS, CSA and UL certificates.
4, How long is your delivery time?
A: The delivery time depends on different products and quantity. The cylinder usually need about 45-60 days and the Motor need about 30-50days.
5, Can you make parts as customer’s requirement or drawing?
A: Yes, we can OEM for you as your drawings. Our engineer also can give you professional support for technical suggestions.
6, What kind of payment terms do you accept?
A: We prefer T/T through bank. 30% when order is confirmed and 70% before shipment. L/C is also acceptable for amount over 20,000USD.
7, What is your warranty policy?
A: All our products are warranted for 1 full year from date of delivery against defects in materials and workmanship. This warranty does not cover parts that are worn out through the course of normal operation or are damaged through negligence. We serious remind that unclean hydraulic oil will definitely cause damage to your Hydraulic components. And this damage is not included in the warranty range. So we strongly suggest you to use new clean oil or make sure the system oil are clean when using our parts.
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What safety considerations are important when using machinery with telescopic cylinders?
When using machinery with telescopic cylinders, several safety considerations should be taken into account. Here’s a detailed explanation:
Operator training and awareness:
Proper training and awareness are crucial for operators working with machinery equipped with telescopic cylinders. Operators should receive comprehensive training on the safe operation of the machinery, including the correct use of telescopic cylinders. They should be familiar with the controls, safety features, and best practices to ensure their own safety and the safety of others in the vicinity.
Regular inspection and maintenance:
Regular inspection and maintenance of telescopic cylinders are essential for ensuring safe operation. Cylinders should be inspected for signs of wear, damage, or leakage. Any issues should be addressed promptly to prevent potential failures or accidents. Lubrication, if required, should be performed according to the manufacturer’s recommendations.
Proper load capacity and stability:
It is important to ensure that the machinery and telescopic cylinders are used within their specified load capacity. Exceeding the load capacity can lead to instability, loss of control, or structural failure. Proper weight distribution and secure attachment of loads are also critical to maintaining stability during operation.
Safe work environment:
Creating a safe work environment is essential when using machinery with telescopic cylinders. This includes maintaining clear and unobstructed pathways for the machinery’s movement, removing potential hazards, and implementing appropriate safety measures such as barriers, signage, or warning systems to prevent unauthorized access or accidental contact with the machinery or its cylinders.
Emergency stop and shutdown procedures:
Emergency stop and shutdown procedures should be clearly communicated to operators. They should be trained on how to quickly and effectively stop the machinery’s operation in case of an emergency or when a safety hazard is detected. These procedures should be regularly reviewed and practiced to ensure a prompt response in critical situations.
Proper guarding and protection:
Telescopic cylinders should be adequately guarded to prevent accidental contact and potential injuries. Guarding may include physical barriers, shields, or sensors that detect the presence of personnel or objects in the cylinder’s path. Additionally, operators should wear appropriate personal protective equipment (PPE) as recommended for the specific task and working environment.
Compliance with regulations and standards:
It is important to ensure compliance with relevant regulations and safety standards when using machinery with telescopic cylinders. These regulations and standards may address aspects such as design, installation, operation, maintenance, and inspection of the machinery and its components. Adhering to these requirements helps mitigate risks and promotes a safe working environment.
Regular risk assessments:
Regular risk assessments should be conducted to identify and address potential hazards associated with the machinery and telescopic cylinders. This includes assessing risks related to operation, maintenance, equipment failure, environmental conditions, and human factors. Mitigation measures should be implemented based on the findings of the risk assessment.
Overall, safety considerations when using machinery with telescopic cylinders involve operator training, regular inspection and maintenance, load capacity and stability, safe work environment, emergency procedures, guarding and protection, compliance with regulations, and regular risk assessments. By addressing these considerations, the risks associated with operating machinery with telescopic cylinders can be minimized, promoting a safer working environment.
It’s important to consult the machinery manufacturer’s guidelines, safety manuals, and applicable regulations to ensure comprehensive understanding and implementation of safety practices.
How do telescopic cylinders handle variations in cylinder size and capacity?
Telescopic cylinders are designed to handle variations in cylinder size and capacity effectively. Here’s a detailed explanation:
Modular design:
Telescopic cylinders feature a modular design that allows for flexibility in cylinder size and capacity. They consist of multiple stages or sections that retract inside one another, similar to a telescope. The number of stages can vary depending on the desired extended length and capacity of the cylinder. This modular design enables telescopic cylinders to be customized according to specific requirements.
Variable stroke length:
Telescopic cylinders offer the advantage of variable stroke length. The stroke length refers to the distance the cylinder can extend and retract. By adjusting the stroke length, the effective size and capacity of the telescopic cylinder can be modified. This flexibility allows for accommodating variations in the size and capacity requirements of different applications.
Increased capacity with additional stages:
Telescopic cylinders can handle variations in capacity by adding more stages to the cylinder. Each stage contributes to the overall capacity of the cylinder. By including additional stages, the cylinder’s capacity can be increased to handle higher loads or operate in more demanding conditions. This scalability makes telescopic cylinders suitable for a wide range of applications with varying capacity needs.
Proportional force distribution:
Telescopic cylinders distribute the applied force proportionally across the stages. As the cylinder extends, each stage contributes to supporting the load and transmitting the force. The force distribution ensures that the load is evenly distributed among the stages, allowing the cylinder to handle variations in capacity effectively.
Hydraulic control system:
Telescopic cylinders rely on a hydraulic control system for operation. The system allows for precise control over the extension and retraction of each stage. By adjusting the hydraulic pressure and flow, operators can regulate the movement and force exerted by the cylinder, ensuring optimal performance and capacity utilization.
Overall, telescopic cylinders handle variations in cylinder size and capacity through their modular design, variable stroke length, ability to add stages for increased capacity, proportional force distribution, and hydraulic control system. These features make telescopic cylinders adaptable to different applications and enable them to effectively handle varying size and capacity requirements.
It’s important to consult the equipment manufacturer’s documentation and guidelines for specific information on the size, capacity, and operational considerations of telescopic cylinders.
What is a telescopic cylinder and how does it work?
A telescopic cylinder is a type of hydraulic cylinder that consists of multiple nested stages or sections that can extend and retract, similar to a telescope. Here’s a detailed explanation:
A telescopic cylinder is primarily used when a long stroke length is required while maintaining a compact retracted length. It is commonly used in applications such as dump trucks, cranes, aerial platforms, and other equipment that require extended reach or height adjustment. Here’s how a telescopic cylinder works:
- Structure: A telescopic cylinder consists of a series of cylindrical stages or sleeves that are progressively nested inside one another. These stages are typically made of high-strength steel or aluminum alloy. The number of stages can vary depending on the specific design and application.
- Extension and Retraction: When the telescopic cylinder is in the retracted position, the stages are nested inside one another, with the smallest stage located at the base. To extend the cylinder, hydraulic fluid is supplied to the base of the cylinder, creating pressure that pushes the smallest stage outwards. As the smallest stage extends, it exposes the next larger stage, which is then pushed out by the hydraulic pressure. This process continues until all the stages have extended, resulting in a longer overall stroke length.
- Locking Mechanism: Telescopic cylinders often incorporate a locking mechanism to secure the extended stages in position. This mechanism ensures stability and prevents unintentional retraction of the cylinder under load. The locking mechanism can be mechanical, hydraulic, or a combination of both, depending on the design and application requirements.
- Retraction: To retract the telescopic cylinder, hydraulic fluid is supplied to the opposite side of the cylinder, typically to the largest stage. The hydraulic pressure acts on the largest stage, retracting it first. As each stage retracts, it nests inside the next smaller stage until the cylinder is fully retracted to its original compact length.
- Control and Stability: The extension and retraction of a telescopic cylinder are controlled by a hydraulic system. By regulating the flow and pressure of the hydraulic fluid, operators can precisely control the extension and retraction speed of the cylinder. The nested design of the stages provides stability and load-bearing capacity, allowing the telescopic cylinder to handle substantial loads.
The use of telescopic cylinders offers several benefits:
- Extended Stroke Length: Telescopic cylinders provide a significantly longer stroke length compared to traditional single-stage cylinders, enabling extended reach or height adjustment without increasing the overall size of the cylinder.
- Compact Design: The nested structure of telescopic cylinders allows for a compact retracted length, making them suitable for applications with space constraints.
- Versatility: Telescopic cylinders can be customized to meet specific stroke length requirements. The number of stages can be adjusted, and the cylinders can be designed for different load capacities and working conditions.
- Efficient Operation: The controlled extension and retraction of telescopic cylinders enable precise load handling and positioning, improving operational efficiency.
Overall, a telescopic cylinder is a hydraulic cylinder with nested stages that can extend and retract, providing an extended stroke length while maintaining a compact retracted length. Its structure and operation make it ideal for applications requiring long reach or height adjustment.
It’s important to follow the manufacturer’s guidelines and specifications for the telescopic cylinder, including proper maintenance and inspection, to ensure its safe and reliable operation.
<img src="https://img.jiansujichilun.com/img/hydrauliccylinders/hydrauliccylinders-l1.webp" alt="China Custom Tianjian Stroke Dump Truck Mining Piston Hydraulic Double Acting Hoist Cylinder with ISO9001 manufacturer “><img src="https://img.jiansujichilun.com/img/hydrauliccylinders/hydrauliccylinders-l2.webp" alt="China Custom Tianjian Stroke Dump Truck Mining Piston Hydraulic Double Acting Hoist Cylinder with ISO9001 manufacturer “>
editor by Dream 2024-10-11