Product Description
Dump Truck Trailer Single Acting Telescopic Good Quality Hydraulic Cylinder
Product Description
THE NORTH AMERICAN TYPE FRONT-END TELESCOPIC CYLINDERS
Thin-wall cylinders
1.The North American advanced processing technology is adopted to ensure the stable performance.
2.High quality alloy seamless steel pipe are adopted to keep big lifting capacity and light weight;
3.The application of imperial size makes it easy to replace the seals and other accessories;
4.Superior chrome-plating technology improves the corrosion resistance and hardness of cylinders;
5.The world famous brands of seals such as HALLITE, CHINAMFG and NOK ensure the sealing performance;
|
Front end telescopic cylinder scope |
||||
|
Bore size |
90mm-220mm |
|||
|
Stage |
2-6 stages |
|||
|
Stroke |
Maximum 12000mm(450″) |
|||
|
Working pressure |
Maximum 210bar(3000PSI) |
|||
|
Mounting style |
CC, DC, DB |
|||
|
Painting |
Follow customers’ requirement |
|||
|
Materials and technology |
||||
|
Barrel/Tube |
1. Material: SAE1571(20#) , SAE1045(45#) ,16Mn(Q345B),27SiMn,etc. 2. Technology: cold drawn ,hot rolled,forged 3. Surface Roughness: R0.16-0.32μm 4. Choose by different working condition and requirements.
|
|||
|
Piston rod |
1. Material: SAE1045(45#),35CrMo,42CrMo4,etc. 3. Surface treatment: chrome plated, nickel-chromium plated, nitriding, nitrocarburizing |
|||
|
Seal kits |
1. Hallite, NOK, Parker, Hercules,Trelleborg,China made,ZheJiang made 2. Choose by different working condition and requirements. |
|||
Company Profile
JUNRUI specialize in the production and R&D of Dump Truck&Trailer Telescopic Hydraulic Cylinder, Dump Truck Hydraulic System,Agricultural Machinery Hydraulic Cylinder, Garbage Truck Hydraulic Cylinder, Tipping Platform Hydraulic Cylinder,
Snow Plow Hydraulic Cylinder and so on.
Over the years development,our products have been exported to America, Australia, Russia, Canada, Mexico,Colombia,
Netherlands etc and have been widely praised by the customers from home and abroad.
We are committed to providing customers with high quality and reasonable price products.
All Junrui products are designed,engineered and manufactured by highly skilled and experienced engineers,
All the products do QC 3 times before delivery to make sure the quality.
We are committed to providing customers with high quality and reasonable price products. All Junrui products are designed,
engineered and manufactured by highly skilled and experienced engineers, All the products do QC 3 times before delivery to
make sure the quality. The company has imported CNC deep hole boring machines, CNC laser cutting machines, CNC machining
centers, CNC cleaning machines, automatic assembly lines for hydraulic cylinders, robot welding stations, automatic welding
machines and other precision processing equipment, over 200 sets. After years of development, JUNRUI Hydraulic has developed
into an enterprise with complete hardware facilities, sophisticated processing equipment, strong technical force, and good social
benefits. For the stable development of your main business, we look CHINAMFG to cooperating with you.
PRODUCTION PROCESS
Equipment
Packaging & Shipping
Certifications
Exhibition
Application
Q1: Are you a trading company or a manufacturer?
A: We have our own factory.
Q2: Are you able to make Non-standard or customized products?
A: Yes, we can.
Q3: How long is your delivery time?
A: Normally, the delivery time is 7 days if we have stock, 15-30 working days if we don’t. but it also depends on the product
requirements and quantity.
Q4: Do you provide samples? are the samples free or not?
A: Yes, we can provide samples.
Q5: What are your payment terms?
A: 30% deposit T/T or Irrevocable L/C at sight, If you have any questions, please feel free to contact us.
Q6: What are your After-sales services?
A: Before shipment, Each individual product will be strictly inspected on our factory QC Process System. In addition, We have a
Customer Service team to respond to customers’ questions within 12 hours. Being helpful in solving customers’ problems is always
our goal. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Certification: | GS, CE, ISO9001 |
|---|---|
| Pressure: | Medium Pressure |
| Work Temperature: | Normal Temperature |
| Acting Way: | Single Acting |
| Working Method: | Straight Trip |
| Adjusted Form: | Regulated Type |
| Samples: |
US$ 500/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
|
|
|---|
Can telescopic cylinders be used in construction equipment like cranes?
Yes, telescopic cylinders are commonly used in construction equipment, including cranes. Here’s a detailed explanation:
Role in crane operation:
Telescopic cylinders play a critical role in the operation of cranes by enabling the extension and retraction of crane booms or arms. The telescopic cylinder is typically located at the base of the boom and is responsible for extending or retracting the boom sections, allowing the crane to reach different heights and distances.
Extension and retraction mechanism:
The telescopic cylinder in a crane consists of multiple stages or sleeves that retract inside one another. This nested design allows for compact storage when the boom is retracted, minimizing the overall length of the crane. When the cylinder extends, the stages slide out, increasing the length of the boom and providing the necessary reach. The synchronized extension and retraction of the stages are facilitated by the hydraulic control system.
Hydraulic control system:
The hydraulic control system in cranes is responsible for the precise and controlled extension and retraction of telescopic cylinders. It regulates the flow of hydraulic fluid to each stage of the cylinder, ensuring synchronized movement. By adjusting the flow rate, the operator can control the speed of extension and retraction, allowing for smooth and controlled operation of the crane.
Load handling capabilities:
Telescopic cylinders in cranes are designed to handle significant loads. They provide the necessary lifting force to support heavy loads at various boom lengths. The cylinder’s bore size, rod diameter, and overall construction are engineered to withstand the forces exerted during lifting and to deliver the required lifting capacities.
Variety of crane types:
Telescopic cylinders are utilized in various types of cranes, including mobile cranes, truck-mounted cranes, and crawler cranes. These cranes are widely used in construction sites, infrastructure projects, and other lifting and material handling applications. The versatility of telescopic cylinders allows them to be integrated into different crane designs and configurations.
Advantages of telescopic cylinders in cranes:
Telescopic cylinders offer several advantages in crane applications. These include:
- Compactness: Telescopic cylinders enable the boom to be retracted to a compact size, making it easier to transport and maneuver the crane in confined spaces.
- Reach and height capabilities: The telescopic design allows the crane to achieve extended reach and height, enabling it to access elevated work areas or reach over obstacles.
- Efficiency: The controlled extension and retraction of telescopic cylinders contribute to efficient operation, allowing the crane to adjust its boom length quickly and precisely.
- Stability: Telescopic cylinders provide stability to the crane by supporting the boom and load, ensuring safe lifting and lowering of heavy objects.
Overall, telescopic cylinders are integral components of construction equipment like cranes. They enable the extension and retraction of crane booms, contribute to efficient and controlled operation, and enhance the lifting capabilities of cranes in various construction and material handling tasks.
It’s important to consult the crane manufacturer’s documentation and guidelines for specific information on the telescopic cylinder’s capabilities, maintenance requirements, and safety considerations.
How do telescopic cylinders handle variations in hydraulic pressure and flow rate?
Telescopic cylinders are designed to handle variations in hydraulic pressure and flow rate effectively. Here’s a detailed explanation:
Hydraulic pressure control:
Telescopic cylinders are equipped with hydraulic systems that allow for precise control of hydraulic pressure. The hydraulic pressure is regulated by a pump that supplies pressurized hydraulic fluid to the cylinder. The pressure can be adjusted according to the specific requirements of the application.
Pressure relief valves:
To handle variations in hydraulic pressure, telescopic cylinders often incorporate pressure relief valves. These valves are designed to limit the maximum pressure within the cylinder to prevent damage or failure. When the pressure exceeds the set limit, the relief valve opens, allowing excess fluid to bypass and relieve the pressure. This ensures the safety and integrity of the telescopic cylinder and the hydraulic system.
Flow control:
Telescopic cylinders also handle variations in flow rate through the hydraulic control system. The flow rate of hydraulic fluid into and out of the cylinder determines the speed of extension and retraction. Flow control valves, such as flow restrictors or flow control valves, are commonly employed to regulate the flow rate.
Flow restrictors:
Flow restrictors are used to limit the flow rate of hydraulic fluid entering or leaving the telescopic cylinder. By restricting the flow, the speed of extension or retraction can be controlled. This allows for precise and gradual movement, preventing abrupt or uncontrolled motion.
Flow control valves:
Flow control valves are designed to provide adjustable flow rates by regulating the opening or closing of hydraulic passages. These valves allow operators to control the speed of extension and retraction of the telescopic cylinder. By adjusting the flow control valves, variations in flow rate can be accommodated to suit specific operational requirements.
Sequencing valves:
In some applications, telescopic cylinders may require a specific sequence of extension and retraction. Sequencing valves are used to control the order in which different stages of the telescopic cylinder extend or retract. These valves ensure proper synchronization of the cylinder stages and prevent uneven or unbalanced movement.
Overall, telescopic cylinders employ various hydraulic components and control mechanisms to handle variations in hydraulic pressure and flow rate. Pressure relief valves protect against excessive pressure, flow restrictors and flow control valves regulate the flow rate, and sequencing valves ensure proper sequencing of cylinder stages. These features allow telescopic cylinders to operate safely, precisely, and efficiently under different hydraulic conditions.
It’s important to consult the manufacturer’s documentation and guidelines for specific information on the hydraulic system and control mechanisms of telescopic cylinders, as well as recommended maintenance and safety practices.
Can you explain the purpose and role of telescopic cylinders in machinery?
Telescopic cylinders play a crucial role in various machinery and equipment applications. Here’s a detailed explanation:
Purpose of telescopic cylinders:
Telescopic cylinders are primarily used when an extended stroke length is required while maintaining a compact retracted length. They enable machinery and equipment to achieve extended reach, height adjustment, or lifting capabilities without increasing the overall size or footprint of the cylinder. The purpose of telescopic cylinders is to provide efficient and reliable linear motion in applications that demand long stroke lengths.
Role of telescopic cylinders in machinery:
- Material Handling: Telescopic cylinders are extensively used in material handling machinery, such as cranes, forklifts, and loaders. They enable the extension and retraction of booms, arms, or lifting mechanisms, allowing operators to reach higher or farther to handle and transport materials with ease.
- Dump Trucks and Trailers: Telescopic cylinders are commonly employed in dump trucks and trailers for the tilting and unloading of cargo or bulk materials. The extendable stroke of the cylinder raises the bed or container to dump the contents, enabling efficient unloading and reducing manual labor.
- Aerial Platforms: Telescopic cylinders are essential components in aerial work platforms, such as cherry pickers or scissor lifts. They facilitate the vertical movement and height adjustment of the platform, allowing operators to access elevated work areas safely.
- Construction Equipment: Telescopic cylinders are used in various construction equipment, including excavators, backhoes, and telescopic handlers. They provide the necessary extension and retraction for the boom, arm, or bucket, enabling digging, lifting, and reaching capabilities in construction and earthmoving applications.
- Mobile Equipment: Telescopic cylinders are utilized in mobile equipment, such as telescopic cranes and mobile cranes. They enable the extension and retraction of the boom sections, allowing for increased reach and lifting capacities in lifting and construction operations.
- Specialized Machinery: Telescopic cylinders find application in specialized machinery, such as fire truck aerial ladders, telescopic masts, or telescopic booms in industrial and military equipment. They provide the required extension and retraction for specific tasks, such as firefighting, surveillance, or equipment deployment.
The role of telescopic cylinders in machinery is to provide precise and controlled linear motion, enabling the equipment to perform specific tasks with extended reach, height adjustment, or lifting capabilities. They contribute to the efficiency, versatility, and productivity of machinery in various industries.
It’s important to ensure proper selection, installation, and maintenance of telescopic cylinders based on the specific machinery requirements and manufacturer’s guidelines to ensure safe and reliable operation.
editor by CX 2024-04-17