China Best Sales Multistage Telescopic Hydraulic Cylinder for Lift Machinery Cylinder vacuum pump and compressor

Product Description

CHINAMFG and CHINAMFG Type telescopic cylinder for dump truck and trailer body

1. Company Information
  Found 1995,w are 1 of the biggest hydraulic cylinder manufacturer in China, specialized in design, R & D and manufacturing of hydraulic machinery products etc, with its annual production capaciy of 2 square meters.There are 700 sets of mnufacturing equipment .

Product Description
  2. hydraulic telescopic cylinder for dump truck drawing and parameter 

Hyva FE type

ITEM MODLE NO. # of Stages Largest Moving Stage Diameter(mm) stroke(mm) mounting distance(mm) 
1 WTHY FE-3-110-3205 3 110 3205 1449
2 WTHY FE-3-110-3460 3 110 3460 1609
3 WTHY FE-3-129-3460 3 129 3460 1449
4 WTHY FE-3-129-3880 3 129 3880 1609
5 WTHY FE-3-149-2900 3 149 2900 1320
6 WTHY FE-3-149-3200 3 149 3200 1420
7 WTHY FE-3-149-3500 3 149 3500 1520
8 WTHY FE-3-149-3880 3 149 3880 1644
9 WTHY FE-4-149-4280 4 149 4280 1450
10 WTHY FE-4-149-4940 4 149 4940 1529
11 WTHY FE-4-149-4620 4 149 4620 1484
12 WTHY FE-4-169-4280 4 169 4280 1394
13 WTHY FE-4-169-4450 4 169 4450 1437
14 WTHY FE-4-169-4620 4 169 4620 1479
15 WTHY FE-4-169-4940 4 169 4940 1529
16 WTHY FE-4-169-5000 4 169 5000 1574
17 WTHY FE-4-169-5180 4 169 5180 1604
18 WTHY FE-5-169-5355 5 169 5355 1394
19 WTHY FE-5-169-5780 5 169 5780 1559
20 WTHY FE-5-169-6180 5 169 6180 1527
21 WTHY FE-5-169-6480 5 169 6480 1604
22 WTHY FE-5-169-6830 5 169 6830 1674
23 WTHY FE-5-169-7130 5 169 7130 1769
24 WTHY FE-5-191-6180 5 191 6180 1527
25 WTHY FE-5-191-9030 5 191 9030 2177
26 WTHY FE-6-191-7420 6 191 7420 1677
27 WTHY FE-5-214-6830 5 214 6830 1662
28 WTHY FE-5-214-7130 5 214 7130 1722

CHINAMFG and Custom hoists kind 

ITEM  MODEL NO. Largest Moving Stage Diameter # of Stages STROKE CLOSED LENGTH OPEN LENGTH
1 WTPK 3TG F5*72 5" 3 72"(1829mm) 37.19" (945mm) 109.19" (2773mm)
2 WTPK 3TG F5*84 5''       3 84" (2134mm) 41.19" (1046mm) 125.19" (3180mm)
3 WTPK 3TG F5*107 5" 3 107.56" (2732mm) 48.38" (1229mm) 155.94" (3961mm)
4 WTPK 3TG F5*126 5" 3 126.63" (3216mm) 54.56" (1386mm) 181.19" (4602mm)
5 WTPK 3TG F6*86 6" 3 86.75" (2203mm) 40.88" (1038mm) 127.63" (3241mm)
6 WTPK 3TG F6*104 6" 3 103.94" (2640mm) 47" (1194mm) 150.94" (3834mm)
7 WTPK 3TG F6*107 6" 3 107.56" (2732mm) 48.38" (1289mm) 155.94" (3961mm)
8 WTPK 3TG F6*111 6''     3 111" (2819mm) 49.94" (1268mm) 160.94" (4087mm)
9 WTPK 3TG F6*120 6''     3 120'' (3048mm) 53.5" (1359mm) 173.5" (4407mm)
10 WTPK 3TG F6*123 6''     3 123" (3124mm) 54.94" (1395mm) 177.94" (4519mm)
11 WTPK 3TG F6*126 6''     3 126.31"(3208mm) 54.56" (1386mm) 180.87" (4594mm)
12 WTPK 3TG F6*140 6''     3 140.25" (3562mm) 59.81" (1519mm) 200.06" (5081mm)
13 WTPK 4TG F6*135 6''     4 135" (3429mm) 47.19" (1199mm) 182.19" (4628mm)
14 WTPK 4TG F6*156 6''     4 156" (3962mm) 53.62" (1362mm) 209.62" (5324mm)
15 WTPK 3TG F7*110 7"     3 110.63" (2810mm) 50.06" (1271mm) 160.69" (4081mm)
16 WTPK 3TG F7*120 7"  3 120" (3048mm) 53.12" (1349mm) 173.12" (4397mm)
17 WTPK 3TG F7*124 7"    3 124.88" (3172mm) 54.81" (1392mm) 179.69" (4564mm)
18 WTPK 3TG F7*129 7"    3 129" (3277mm) 56.5"  (1435mm) 185.5" (4712mm)
19 WTPK 3TG F7*140 7"    3 140.44" (3567mm) 60"  (1524mm) 200.44" (5091mm)
20 WTPK 3TG F7*150 7"    3 150" (3810mm) 63.50"  (1613mm) 213.50" (5423mm)
21 WTPK 4TG F7*120 7"    4 120" (3048mm) 44.12" (1120mm) 164.12" (4168mm)
22 WTPK 4TG F7*135 7"    4 135" (3429mm) 48.43" (1230mm) 183.44" (4659mm)
23 WTPK 4TG F7*140 7"    4 140" (3556mm) 49.75" (1263mm) 189.75" (4819mm)
24 WTPK 4TG F7*156 7"    4 156" (3962mm) 53.75" (1365mm) 209.75" (5327mm)
25 WTPK 4TG F7*161 7"    4 161.75" (4108mm) 55.31" (1405) 217.06" (5513mm)
26 WTPK 4TG F7*167 7"    4 167" (4242mm) 56.38" (1432mm) 223.38" (5674mm)
27 WTPK 4TG F7*180 7"    4 180" (4572mm) 61.12" (1552mm) 241.12" (6124mm)
28 WTPK 4TG F8*148 8"    4 147.75" (3753mm) 51.50" (1308mm) 199.25" (5061mm)
29 WTPK 4TG F8*156 8"    4 156" (3962mm) 53.75" (1365mm) 209.75" (5327mm)
30 WTPK 4TG F8*161 8"    4 160" (4064mm) 55.75" (1416mm) 215.75" (5480mm)
31 WTPK 4TG F8*170 8"    4 170" (4318mm) 57.25" (1454mm) 227.25" (5481mm)
32 WTPK 4TG F8*180 8"    4 180" (4572mm) 59.75" (1518mm) 239.75" (6090mm)
33 WTPK 5TG F8*170 8"    5 170" (4318mm) 49.88" (1267mm) 219.88" (5585mm)
34 WTPK 5TG F8*190 8"   5 189" (4800mm) 54.62" (1387mm) 243.62" (6188mm)
35 WTPK 5TG F8*220 8"   5 220" (5588mm) 60" (1524mm) 280" (7112mm)
36 WTPK 5TG F8*235 8"    5 234" (5944mm) 64.62" (1641mm) 298.62" (7585mm)
37 WTPK 5TG F8*250 8"   5 249" (6325mm) 68.62" (1743mm) 317.62" (8068mm)
38 WTPK 5TG F8*265 8"    5 265" (6731mm) 71" (1803mm) 336" (8534mm)
39 WTPK 5TG F8*285 8"   5 285" (7239mm) 78.5" (1994mm) 363.5" (9233mm)
40 WTPK 5TG F9*220 9"    5 218" (5537mm) 62.44" (1586mm) 280.44" (7123mm)
41 WTPK 5TG F9*235 9"    5 233" (5918mm) 65.44" (1662mm) 298.44" (7580mm)
42 WTPK 5TG F9*250 9"    5 248" (6299mm) 68.44" (1738mm) 316.44" (8037mm)
43 WTPK 5TG F9*265 9"    5 265" (6731mm) 72.62" (1844mm) 337.62" (8575mm)
44 WTPK 5TG F9*280 9"    5 280" (7112mm) 72.62" (1997mm) 358.62" (9109mm)
45 WTPK 5TG F9*300 9"    5 300" (7620mm) 79" (2007mm) 379" (9627mm)
46 WTPK 5TG F9*320 9"    5 320" (8128mm) 83" (2108mm) 403" (9628mm)
47 WTPK 5TG F9*340 9"    5 340" (8636mm) 87" (2210mm) 427" (10846mm)

  3. hydraulic telescopic cylinder for dump truck produce line
700 sets manufacturing equipment,such as cold drawing production line ,heat treatment production line ,surface treatment production line,testing equipment,various digital-control machining equipment,gantry style linear electroplating production line.

4. hydraulic telescopic cylinder for dump truck quality guarantee system
Program before Delivery
1). Trial Operation Test
2). Start-up Pressure Test
3). Pressure-Tight Test
4). Leak Test
5). Full Stroke Test
6). Buffer Test
7). Testing the Effect of Limit
8). Load Efficiency Test
9). Reliability Test
Every piece of hydraulic cylinder are tested and will send out only after they are pasted the each test.
  Our company has abundant technical force and perfect testing means. By making wide technical and business cooperation with many related enterprises, universities, colleges and institutes both at home and abroad, and employing senior engineers and software engineers, we have greatly strengthened and improved our designing, processing, and testing abilities.

5. After-service
    1).Pre-sale service: Keep communicating with the truck manufacturers , including selection of product model , design of hydraulic system,   test of performance and analysis of the accident. Once the problems occur, we will solve them immediately together with truck manufacturers .
    2).The sale service: Provide training and technical support for users.
    3).After-sale service: Solve the problem firstly, then analyse responsibility ; Replace the system components immediately if any need. 
    4). 24 hours telephone service hotline.

6.Exhibition and partner

7. FAQ
Q1. What are the same aspects of your cylinder with CHINAMFG cylinder?
A: Same inside structure.
Same outside dimension and same mounting sizes. It can be interchangeable with Hyva's
 
Q2. Compared with CHINAMFG cylinder, what are your cylinder advantages?
A: 1. Rod are chrome plated.
2. Tubes are quenched and tempered.
3. Tube inner hole goes through deephole boring machine processing. Surface roughness is 0.4Ra 
and circular degree is 0.571.
4. Good quality yet lower price.
 
Q3: Are you a manufacture or a trade company?
A: Manufacture, we are the leader manufacturer of hydraulic industry in China with over 20 years' experience and technology accumulation. With strong technical team we could solve any annoyance of you.
 
Q4: Do you have quality control system?
A: Yes, The quality management system introduced is: ISO/TS 16949:2009-certified by NQA and IATF cert.
 
Q5: How can i get a booklet and buy a cylinder from you?
A: Very easy! Just leave me a message or email or call me directly, let me know you are interesting in our products. I will talk with you for the details soon!
 
Q6: Can you tell me the price for the cylinder?
A: 1. Please advice the drawing with technical requirement.
2. Please advice the model No. after you check our booklet.
3. Please advice the tipping capacity, number of stages, closed length, mounting type and size.
4. Please also help advice the quantities, this is very important.
 
Q7: Do your products come with a warranty?
A: Yes, we have 14month from production time. In this time, if the quality problem we will free repair for you.
 
Q8: Hydraulic cylinder internal leakage?
A: 3 main reasons causing internal leakage: Overload, polishing bad controlled, cheap seal kits. As is known to all, vehicles in China are often overloaded, our products all designed to bear the overload power. Advanced equipment could assure the polish processing. And we use the imported/TOP brand seals to meet customers' requirement.
 
Q9: What about the quality feedback of your products?
A: WE HAVE NEVER RECEIVED EVEN ONCE QUALITY COMPLAINT FOR MANY YEARS OF INTERNATIONAL BUSINESS.
 
Q10: Can you help me to install or recommend what kind of hydraulic cylinder or power pack should I use for specific machine?
A: Yes, we have 25 experienced engineers who are always ready to help you. If you do not know what kind of hydraulic cylinders should be used in your machine, please just contact us, our engineers will design the exact products match your need.
 
Q11: What is the delivery time?
A: 20 days for bulk production, which is depend on quality, production process and so on.
 
Q12: What is your main payment term?
A: T/T, L/C, D/A, D/P either is available.

Q13: What is your contact information?
A: Mob: -
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Material: Steel
Usage: Lifting,Paushing and Falling
Structure: Piston Cylinder
Power: Hydraulic
Standard: Standard
Pressure Direction: Double-acting Cylinder
Customization:
Available

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telescopic cylinder

How do telescopic cylinders contribute to efficient and controlled extension and retraction?

Telescopic cylinders play a crucial role in enabling efficient and controlled extension and retraction. Here's a detailed explanation:

Nested design:

The nested design of telescopic cylinders, with multiple stages or sleeves that retract inside one another, allows for efficient extension and retraction. Each stage extends or retracts in a synchronized manner, contributing to smooth and controlled movement. The nested structure also enables compact storage when the cylinder is retracted, optimizing space utilization.

Hydraulic control system:

The hydraulic control system is a key component that enables efficient and controlled extension and retraction of telescopic cylinders. It utilizes hydraulic fluid and pressure to drive the cylinder's movement. By regulating the flow of hydraulic fluid to each stage, the extension and retraction speed can be precisely controlled. This hydraulic control system ensures synchronized movement of the stages and allows for gradual and controlled extension and retraction.

Valve and cylinder design:

Telescopic cylinders incorporate specific valve and cylinder designs to facilitate efficient and controlled extension and retraction. Flow control valves, such as flow restrictors or throttle valves, are often used to regulate the flow rate of hydraulic fluid to each stage. These valves help manage the speed of extension and retraction, preventing sudden or uncontrolled movements. The cylinder design, including the bore size and rod diameter, is carefully engineered to optimize the balance between extension/retraction speed and force output.

Pressure relief and damping:

To further enhance controlled extension and retraction, telescopic cylinders may incorporate pressure relief and damping mechanisms. Pressure relief valves help prevent over-pressurization of the hydraulic system, ensuring that the cylinder operates within safe limits. Damping devices, such as hydraulic cushions or shock absorbers, can be integrated to dampen the impact or vibrations during extension and retraction, promoting smoother and more controlled movement.

Load-specific adjustments:

Telescopic cylinders can be adjusted to accommodate different load requirements, contributing to efficient and controlled extension and retraction. By adding or removing stages or adjusting the hydraulic pressure, operators can adapt the cylinder's performance to match the specific load conditions. This customization ensures optimal extension and retraction characteristics for different applications and load capacities.

Overall, the nested design, hydraulic control system, valve and cylinder design, pressure relief mechanisms, and load-specific adjustments all work together to enable telescopic cylinders to contribute to efficient and controlled extension and retraction. These features ensure smooth operation, precise positioning, and safe handling of heavy loads in various industrial applications.

Consulting the manufacturer's documentation and guidelines is important for understanding the specific capabilities and limitations of telescopic cylinders in terms of extension and retraction.

telescopic cylinder

How do telescopic cylinders contribute to stable and safe equipment operation?

Telescopic cylinders play a significant role in ensuring stable and safe equipment operation. Here's a detailed explanation:

Load distribution:

Telescopic cylinders assist in distributing the load evenly across the equipment. As the cylinders extend or retract, they provide support and help maintain the balance of the load. This load distribution is crucial for preventing equipment instability, reducing the risk of tipping or tilting, and ensuring safe operation.

Weight management:

Telescopic cylinders aid in managing the weight distribution of equipment during various operations. By extending or retracting the cylinders selectively, operators can control the positioning and center of gravity of the load. This helps mitigate the risk of equipment imbalance, enhances stability, and promotes safe equipment operation.

Controlled movements:

Telescopic cylinders enable controlled and precise movements of equipment components. The hydraulic control system regulates the extension and retraction of the cylinders, allowing operators to adjust the speed, force, and position of the movement. This precise control minimizes sudden or jerky motions, reduces the likelihood of equipment instability, and enhances overall safety during operation.

Shock absorption:

Telescopic cylinders provide a level of shock absorption during equipment operation. The design of the cylinders, along with the hydraulic system, helps absorb and dampen sudden shocks or impacts that may occur during material handling or terrain traversal. This shock absorption capability reduces stress on the equipment, minimizes the risk of component failure or damage, and contributes to safe and smooth operation.

Operator safety:

Telescopic cylinders contribute to operator safety by providing stability and control. The stable operation of equipment facilitated by the cylinders reduces the risk of accidents or operator injury caused by equipment instability, tipping, or excessive vibrations. Additionally, the precise control over equipment movements enhances operator confidence and minimizes the likelihood of human error during operation.

Monitoring and feedback:

Telescopic cylinders can be integrated with monitoring systems that provide real-time feedback on cylinder performance, load distribution, and equipment stability. This information allows operators to make informed decisions, take corrective actions if necessary, and ensure ongoing safe operation.

Overall, telescopic cylinders contribute to stable and safe equipment operation through load distribution, weight management, controlled movements, shock absorption, operator safety, and monitoring capabilities. Their role in maintaining equipment stability and providing precise control enhances operational safety and reduces the risk of accidents or equipment failure.

It's important to consult the equipment manufacturer's documentation and guidelines for specific information on the integration, operation, and maintenance of telescopic cylinders to ensure safe equipment usage.

telescopic cylinder

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.

China Best Sales Multistage Telescopic Hydraulic Cylinder for Lift Machinery Cylinder   vacuum pump and compressor	China Best Sales Multistage Telescopic Hydraulic Cylinder for Lift Machinery Cylinder   vacuum pump and compressor
editor by CX 2024-04-13