Product Description
double acting telescopic piston spring return hydraulic cylinder
1. Describe:
High pressure electric hydraulic cylinder is powered by ZB series of high pressure electric oil pump,
the function for oil pressure rebound, overflow, it is designed a safe protect pressurizer, it can
protect emergent over pressure, especial construction can protect jack. Hydraulic jack can bear
partial loading is 5% of rated pressure. High pressure alloy cylinder is very durable, especially
in the larger project, it is easily to be operated and control. It can be used for lifting heavy machine,
bridge project, hydraulic engineering, harbour construction and other equipment. It has large output,
light weight, remote control and other advantages, it can match with our high pressure oil pump, it
can reach jack, push, pull and extrusion and kinds of working.
2. Technology parameters:
| Model | Tonnage T |
Stroke B-A mm |
Closed height A mm |
Extend height B mm |
Outer diameter of oil cylinder mm |
Dimension of plunger mm |
Dimension of oil pump mm |
Weight kg |
Pressure | Recommend electric oil pump |
| STQ50-100 | 50 | 100 | 225 | 325 | 127 | 70 | 100 | 35 | 63MPA | 50T-200T 0.55KW 0.75KW 1.5KW 3KW 4KW 5.5KW |
| STQ50-160 | 160 | 285 | 445 | 39 | ||||||
| STQ50-200 | 200 | 325 | 525 | 46 | ||||||
| STQ50-300 | 300 | 425 | 725 | 48 | ||||||
| STQ50-500 | 500 | 625 | 1125 | 63 | ||||||
| STQ100-100 | 100 | 100 | 250 | 350 | 180 | 100 | 140 | 58 | 63MPA | |
| STQ100-160 | 160 | 310 | 470 | 63 | ||||||
| STQ100-200 | 200 | 350 | 550 | 78 | ||||||
| STQ100-300 | 300 | 450 | 750 | 96 | ||||||
| STQ100-500 | 500 | 650 | 1150 | 130 | ||||||
| STQ150-100 | 150 | 100 | 260 | 360 | 219 | 125 | 180 | 58 | 63MPA | |
| STQ150-160 | 160 | 320 | 480 | 69 | ||||||
| STQ150-200 | 200 | 360 | 560 | 86 | ||||||
| STQ150-300 | 300 | 460 | 760 | 103 | ||||||
| STQ150-500 | 500 | 660 | 1160 | 255 | ||||||
| STQ200-100 | 200 | 100 | 285 | 385 | 240 | 150 | 200 | 96 | 63MPA | |
| STQ200-160 | 160 | 345 | 505 | 103 | ||||||
| STQ200-200 | 200 | 385 | 585 | 116 | ||||||
| STQ200-300 | 300 | 485 | 785 | 161 | ||||||
| STQ200-500 | 500 | 685 | 1185 | 221 | ||||||
| STQ320-100 | 320 | 100 | 310 | 410 | 330 | 180 | 250 | 196 | 63MPA | 1.5KW 3KW 4KW 5.5KW |
| STQ320-160 | 160 | 370 | 530 | 240 | ||||||
| STQ320-200 | 200 | 410 | 610 | 258 | ||||||
| STQ320-300 | 300 | 510 | 810 | 311 | ||||||
| STQ320-500 | 500 | 710 | 1210 | 456 | ||||||
| STQ400-100 | 400 | 100 | 355 | 455 | 380 | 200 | 290 | 198 | 63MPA | 3KW 4KW 5.5KW 7.5KW |
| STQ400-160 | 160 | 415 | 575 | 231 | ||||||
| STQ400-200 | 200 | 460 | 660 | 264 | ||||||
| STQ400-300 | 300 | 555 | 855 | 367 | ||||||
| STQ400-500 | 500 | 755 | 1255 | 456 | ||||||
| STQ500-100 | 500 | 100 | 360 | 460 | 430 | 200 | 320 | 323 | 63MPA | 3KW 4KW 5.5KW 7.5KW |
| STQ500-160 | 160 | 420 | 580 | 330 | ||||||
| STQ500-200 | 200 | 460 | 660 | 420 | ||||||
| STQ500-300 | 300 | 560 | 860 | 581 | ||||||
| STQ500-500 | 500 | 760 | 1260 | 599 | ||||||
| STQ630-100 | 630 | 100 | 417 | 517 | 500 | 250 | 360 | 560 | 63MPA | 4KW 5.5KW 7.5KW 11KW |
| STQ630-160 | 160 | 477 | 637 | 633 | ||||||
| STQ630-200 | 200 | 517 | 717 | 696 | ||||||
| STQ630-300 | 300 | 617 | 917 | 898 | ||||||
| STQ630-500 | 500 | 817 | 1317 | 1250 | ||||||
| STQ800-100 | 800 | 100 | 488 | 588 | 560 | 300 | 400 | 896 | 63MPA | 7.5KW 11KW |
| STQ800-200 | 200 | 598 | 798 | 1040 | ||||||
| STQ800-300 | 300 | 698 | 998 | 1380 | ||||||
| STQ800-500 | 500 | 898 | 1398 | 1520 | ||||||
| STQ1000-100 | 1000 | 100 | 530 | 630 | 600 | 320 | 450 | 1286 | 63MPA | 7.5KW 11KW |
| STQ1000-200 | 200 | 630 | 830 | 1332 | ||||||
| STQ1000-300 | 300 | 760 | 1060 | 1663 |
3.Application:
Our hydraulic jacks have been widely used for industrial field, such as steel plant, cement industry, chemical and refinery, bridge, railway, highway, hydropower station, ship repair, building, construction and maintenance.
4.Customer Praise:
5.Package:
6.Company information:
HangZhou Lead Equipment Co., Ltd. Have been in hydraulic tools industry since 2009. Our main products as follow:
Single acting hydraulic jack/cylinder/ram (10-100 tons)
Single acting hollow hydraulic jack/cylinder/ram (12-100 tons)
Double acting hydraulic jack/cylinder/ram (50-2000 tons)
Double acting hollow hydraulic jack/cylinder/ram (50-2000 tons)
Single acting hydraulic jack/cylinder/ram with lock nut (55-200 tons)
Thin type single acting hydraulic jack/cylinder/ram (10-200 tons)
Ultrathin hydraulic jack/cylinder/ram (10-200 tons)
Flange type hydraulic jack/cylinder/ram (10-630 tons)
Synchronous hydraulic jack (10-1000 tons)
Hydraulic accessories: high pressure oil hose, couplers, seal kits, mainfold, etc.
All the tonnage, stroke, height can be customized according to client's requirements, supply the best quality and serve. Our warranty is 2 years.
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| Material: | Stainless Steel |
|---|---|
| Usage: | Automation and Control |
| Structure: | Plunger Cylinder |
| Power: | Hydraulic |
| Standard: | Standard |
| Pressure Direction: | Double-acting Cylinder |
| Customization: |
Available
|
|
|---|
How do telescopic cylinders handle variations in load capacity and weight?
Telescopic cylinders are designed to handle variations in load capacity and weight effectively. Here's a detailed explanation:
Load-specific design:
Telescopic cylinders are engineered with load-specific design considerations to accommodate variations in load capacity and weight. Manufacturers take into account factors such as the maximum expected load, the range of anticipated loads, and the required safety factors. The cylinder's components, materials, and dimensions are selected and configured accordingly to provide the necessary strength and stability.
Multiple stages:
The nested structure of telescopic cylinders, with multiple stages or sleeves that retract inside one another, allows for adaptability to different loads. Each stage can handle a specific portion of the load, and the collective capacity of all stages determines the overall load capacity of the cylinder. By adding or removing stages, telescopic cylinders can be customized to suit different load requirements, providing flexibility in handling variations in weight.
Hydraulic system control:
The hydraulic control system of telescopic cylinders plays a vital role in managing variations in load capacity. By regulating the flow of hydraulic fluid to each stage, operators can control the extension and retraction force applied to the cylinder. This control allows for adjustments based on the specific load and weight requirements, ensuring the cylinder operates within its safe working limits.
Pressure relief and overload protection:
Telescopic cylinders are often equipped with pressure relief valves and overload protection mechanisms to safeguard against excessive loads. Pressure relief valves help prevent over-pressurization of the hydraulic system by diverting excess fluid flow, protecting the cylinder from potential damage. Overload protection mechanisms, such as overload sensors or mechanical stops, are designed to activate and halt the cylinder's movement if the load exceeds the safe operating limits.
Load distribution and stability:
Telescopic cylinders contribute to load distribution and stability. The nested design distributes the load across multiple stages, reducing stress on individual components and enhancing overall stability. Proper weight distribution on the machinery or equipment, as well as secure attachment of the load, further contribute to maintaining stability and ensuring safe operation.
It's important to note that while telescopic cylinders can handle variations in load capacity and weight, it is crucial to operate within the specified load limits and follow the manufacturer's guidelines. Exceeding the recommended load capacity can compromise the safety, performance, and longevity of the telescopic cylinder and the machinery it is installed on.
Consulting the manufacturer's documentation, engineering specifications, and relevant industry standards is essential for understanding and adhering to the appropriate load capacity and weight guidelines when using telescopic cylinders.
Can telescopic cylinders be used in aerial work platforms for extended reach?
Yes, telescopic cylinders are commonly used in aerial work platforms to achieve extended reach. Here's a detailed explanation:
Increased working height:
Telescopic cylinders enable aerial work platforms to reach greater heights compared to other types of lifting mechanisms. The multi-stage design of telescopic cylinders allows for sequential extension, providing incremental increases in working height. This extended reach capability is crucial for accessing elevated areas such as construction sites, maintenance tasks, or elevated platforms.
Flexible reach adjustment:
Telescopic cylinders offer flexibility in adjusting the reach of aerial work platforms. By extending or retracting the cylinders, operators can modify the platform's horizontal reach according to the specific job requirements. This flexibility allows for precise positioning of the platform, ensuring safe and efficient access to work areas at varying distances from the base.
Stability and load capacity:
Telescopic cylinders contribute to the stability and load capacity of aerial work platforms during extended reach operations. The cylinders provide structural support and help distribute the weight of the platform and the load being lifted. This load distribution ensures stability, minimizes the risk of tipping or tilting, and allows for safe operation even at maximum reach.
Controlled movements:
Telescopic cylinders enable controlled and smooth movements of aerial work platforms. The hydraulic control system regulates the extension and retraction of the cylinders, allowing for precise control over the platform's vertical and horizontal motions. This controlled movement enhances operator safety, minimizes vibrations, and enables accurate positioning of the platform during extended reach tasks.
Compact design:
Telescopic cylinders offer a compact design that allows for efficient integration into aerial work platforms. The cylinders can be retracted when not in use, minimizing the space occupied by the lifting mechanism. This compactness allows for better maneuverability, improved accessibility in confined spaces, and efficient transportation of the aerial work platform.
Integration with other platform features:
Telescopic cylinders can be integrated with other features of aerial work platforms to enhance functionality. For example, they can be combined with articulating booms or rotating platforms to achieve versatile reach and positioning capabilities. This integration expands the range of applications for aerial work platforms, enabling them to navigate obstacles, reach over obstacles, or access difficult-to-reach areas.
Advantages of telescopic cylinders in aerial work platforms:
Telescopic cylinders offer several advantages when used in aerial work platforms for extended reach:
- Increased working height for accessing elevated areas
- Flexible reach adjustment for precise positioning
- Stability and load capacity during extended reach
- Controlled movements for operator safety
- Compact design for maneuverability and transportation
- Integration with other platform features for enhanced functionality
Overall, telescopic cylinders are a reliable and efficient choice for achieving extended reach in aerial work platforms. Their ability to increase working height, provide flexibility in reach adjustment, ensure stability, enable controlled movements, offer a compact design, and integrate with other platform features makes them well-suited for a wide range of aerial work applications.
It's important to consult the equipment manufacturer's documentation and guidelines for specific information on the integration, operation, and maintenance of telescopic cylinders in aerial work platforms.
How does a telescopic cylinder differ from standard hydraulic cylinders?
A telescopic cylinder differs from standard hydraulic cylinders in several ways. Here's a detailed explanation:
A telescopic cylinder, also known as a multistage cylinder or a sleeve cylinder, is specifically designed to provide an extended stroke length while maintaining a compact retracted length. In contrast, a standard hydraulic cylinder typically consists of a single-stage rod and barrel design. Here are the key differences between a telescopic cylinder and a standard hydraulic cylinder:
- Design and Structure: The most significant difference lies in the design and structure. A standard hydraulic cylinder has a single-stage design, meaning it consists of a single rod and barrel. On the other hand, a telescopic cylinder features multiple stages or sleeves nested inside one another. This nested structure allows for a longer stroke length while keeping the retracted length compact.
- Stroke Length: The stroke length of a telescopic cylinder can be significantly longer compared to a standard hydraulic cylinder. The ability to extend in multiple stages allows for a greater overall stroke length, making telescopic cylinders suitable for applications that require extended reach or height adjustment.
- Retracted Length: While a standard hydraulic cylinder has a fixed retracted length equal to its stroke length, a telescopic cylinder offers a compact retracted length. The nested design enables the stages to retract inside one another, reducing the overall length of the cylinder when not in use. This compact retracted length is advantageous in applications with space constraints.
- Load Capacity: Telescopic cylinders are designed to handle substantial loads while maintaining stability. The nested structure provides increased load-bearing capacity compared to standard hydraulic cylinders. The stages distribute the load evenly, ensuring efficient load transfer throughout the extended stroke.
- Complexity and Maintenance: Telescopic cylinders are generally more complex in design compared to standard hydraulic cylinders. They require precise alignment of the stages and may include additional components such as locking mechanisms or guiding systems. This complexity can affect maintenance requirements and may require specialized inspection and servicing procedures.
- Application: Telescopic cylinders are commonly used in applications that require extended reach or height adjustment, such as cranes, dump trucks, aerial platforms, and material handling equipment. Standard hydraulic cylinders, on the other hand, are versatile and widely used in various applications, including industrial machinery, construction equipment, and agricultural machinery.
Despite these differences, both telescopic cylinders and standard hydraulic cylinders are essential components in hydraulic systems. They both rely on hydraulic fluid to generate force and provide linear motion. The selection of the cylinder type depends on the specific requirements of the application, including stroke length, retracted length, load capacity, and available space.
It's important to consult the manufacturer's guidelines and specifications to ensure the proper selection, installation, and maintenance of the hydraulic cylinder based on the specific application requirements.
editor by CX 2024-01-23