China supplier 55-1000ton Single Acting Big Tonnage Lock Nut Hydraulic Cylinder with CE Certification with Good quality

Product Description

55-1000ton Single Acting Big Tonnage Lock Nut Hydraulic Cylinder With CE Certification


Description of self-locking type hydraulic jack:

  Self-locking type hydraulic jack is used for supporting heavy in the long term, it could support heavy without oil pressure, safe and reliable. It also could be used under water, single acting, return with loading, nut can be locking automatically, making loading more safe, especially in the large project, it is more easily to be operated and controlled, it has pressurizer, pres-relief valve is prevent to over load in the cylinder to protect jack. The connection of the device adopt high pressure and thread couple, it has the function of quick use, and it also could conquer the disadvantage of oil leak. The jack is mainly used for rising, topping, tear downing in electric power, building, machine manufacturing, mining, railway, bridge, shipbuilding and many industrial.

Features of self-locking type hydraulic jack:

1) Single acting hydraulic jack.
2) Nut could be locking automatically, making load more safe.
3) Specially-made composite material coating has stronger anti-corrosion, and less force of friction.
4) Overflow hole has the function of limiting stroke.
5) The top of piston rod is with a ringlike sphere spacer, it is allow about 8% of bias factor, keeping the pressure of the jack balanced, making jack more longevity.
6) Self-locking hydraulic jack can be customized into double acting hydraulic jack according to the requirement of customer, but closed height need to be increased.

Usage of self-locking type hydraulic jack:

1)If the oil capacity is not enough in the pump, it should pour working oil(10#) and then start to work.

2) Estimate tonnage, prohibit to overload.
3) Confirming the center of gravity of jack, finding the point of strength, meanwhile, it should consider the degree of hardness and softness of ground, whether it need to add a plank to prevent jack will be slant when lifting.
4) After jack lift the heavy, it should use some tough wood to support the heavy, prohibit to use jack as upholder to prevent unbalanced load, there has the dangerous of slant.
5) when working, firstly, it should connect quick coupling with jack, choose a suit placement, screw the bolt of oil pump, and then it could start to work, unscrew the bolt, the cylinder will be unloading.

Model Capacity
Effective area
of cylinder
Capacity of hydraulic oil
Closed height
Extend height
Outer diameter
CLL-55-50 55 50 71.3 356.5 164 214 125 16
CLL-55-100 100 713 214 314 21
CLL-55-150 150 1069.5 264 414 26
CLL-55-200 200 1426 314 514 31
CLL-55-250 250 1782.5 364 614 36
CLL-55-300 300 2139 414 714 41
CLL-100-50 100 50 133.3 666.5 187 237 165 31
CLL-100-100 100 1333 237 337 39
CLL-100-150 150 1999.5 287 437 48
CLL-100-200 200 2666 337 537 57
CLL-100-250 250 3332.5 387 637 65
CLL-100-300 300 3999 437 757 74
CLL-150-50 150 50 198 990 209 259 205 53
CLL-150-100 100 1980 259 359 66
CLL-150-150 150 2970 309 459 78
CLL-150-200 200 3960 359 559 92
CLL-150-250 250 4950 409 659 105
CLL-150-300 300 5940 459 759 118
CLL-200-50 200 50 266.5 1332.5 243 293 250 83
CLL-200-100 150 3997.5 343 493 118
CLL-200-150 250 6662.5 443 693 153
CLL-250-50 250 50 366.4 1832 249 299 275 116
CLL-250-150 150 5496 349 499 163
CLL-250-250 250 9160 449 699 210
CLL-300-50 300 50 457 2285 295 345 310 173
CLL-300-150 150 6855 395 545 233
CLL-300-250 250 11425 495 745 293
CLL-400-50 400 50 559 2795 335 385 350 251
CLL-400-150 150 8385 435 585 327
CLL-400-250 250 13975 535 785 403
CLL-500-50 500 50 730 3650 375 425 400 367
CLL-500-150 150 10950 475 625 467
CLL-500-250 250 18250 575 825 568
CLL-600-50 600 50 857 4285 395 445 430 447
CLL-600-150 150 12855 495 645 563
CLL-600-250 250 21425 595 845 680
CLL-800-50 800 50 1179 5895 455 505 505 711
CLL-800-150 150 5895 555 705 871
CLL-800-250 250 29475 655 905 1031
CLL-1000-50 1000 150 1465 7325 495 545 560 951
CLL-1000-150 50 21975 595 745 1143
CLL-1000-250 250 36625 695 945 1335

Application of self-locking type hydraulic jack:
Self-locking type hydraulic jack is mainly used for rising, topping, tear downing in electric power, building, machine manufacturing, mining, railway, bridge, shipbuilding and many industrial.


Type: Hydraulic Jack
Structure: Hydraulic Jack
Capacity (Load): 55-1000t
Power Source: Hydraulic
Max Height: 301-350mm
Certification: CE, ISO 9001:2000, SGS


single acting hydraulic cylinder

How does a single-acting hydraulic cylinder contribute to energy-efficient force generation?

A single-acting hydraulic cylinder contributes to energy-efficient force generation through its design and operating principles. Here’s a detailed explanation:

1. Unidirectional Force: Single-acting hydraulic cylinders generate force in one direction, typically in the extension stroke. This unidirectional force generation eliminates the need for hydraulic fluid to exert force in the opposite direction, resulting in energy savings. The hydraulic system only needs to supply fluid to extend the cylinder, while the retraction of the piston is achieved through the force of gravity or other external means, reducing the overall energy consumption.

2. Reduced Fluid Volume: Single-acting hydraulic cylinders require a smaller volume of hydraulic fluid compared to double-acting cylinders. Since these cylinders operate primarily in one direction, the fluid volume needed for extension strokes is lower. This reduction in fluid volume leads to energy savings in terms of pumping and circulating the hydraulic fluid.

3. Lower Pumping Requirements: The unidirectional force generation of single-acting hydraulic cylinders reduces the workload on the hydraulic pump. As the pump only needs to supply fluid for extension strokes, the pump size and power requirements can be optimized, leading to energy efficiency. This is particularly beneficial in applications where the hydraulic system is powered by electric motors or other energy sources.

4. Gravity-Assisted Retraction: Single-acting hydraulic cylinders often utilize the force of gravity or external forces to retract the piston during the return stroke. By leveraging these external forces, the hydraulic system can minimize the energy required for retraction. This is particularly advantageous in applications where the weight of the load or other external factors can assist in the retraction process.

5. System Optimization: Single-acting hydraulic cylinders allow for system optimization to maximize energy efficiency. By carefully selecting cylinder sizes, operating pressures, and flow rates, the hydraulic system can be designed to match the specific force requirements of the application. This optimization ensures that the system operates at its most energy-efficient operating point, minimizing energy waste and maximizing overall system performance.

6. Regenerative Systems: In certain applications, single-acting hydraulic cylinders can be integrated into regenerative hydraulic systems. These systems capture and reuse the energy generated during the retraction stroke, effectively recycling the energy that would otherwise be dissipated. By harnessing this regenerative energy, the overall energy efficiency of the system is significantly improved.

By employing these energy-efficient design and operating principles, single-acting hydraulic cylinders contribute to reduced energy consumption and improved overall system efficiency.

single acting hydraulic cylinder

Can single-acting hydraulic cylinders be integrated into material testing equipment?

Yes, single-acting hydraulic cylinders can be integrated into material testing equipment. Here’s a detailed explanation:

Material testing equipment is used to evaluate the mechanical properties and performance of various materials. It involves subjecting the materials to controlled forces, pressures, or strains to measure their behavior and characteristics. Single-acting hydraulic cylinders offer several advantages that make them suitable for integration into material testing equipment. Here are some key points on the application of single-acting hydraulic cylinders in material testing:

1. Force Generation: Material testing often requires the application of precise and controlled forces to the test specimens. Single-acting hydraulic cylinders are capable of generating high forces in a single direction, making them ideal for material testing applications. By regulating the hydraulic pressure supplied to the cylinder, the force exerted can be precisely adjusted to match the requirements of the test. This allows for accurate and repeatable force application during material testing.

2. Load Capacity: Single-acting hydraulic cylinders are available in a wide range of load capacities, allowing them to accommodate different testing requirements. Whether testing small-scale samples or large structural components, single-acting hydraulic cylinders can be selected with the appropriate load capacity to ensure accurate and reliable testing results.

3. Precise Control: Single-acting hydraulic cylinders offer precise control over force and movement, which is essential in material testing. The hydraulic system associated with the cylinder allows for fine adjustments in pressure, flow, and speed, enabling operators to control the applied force with high accuracy. This precise control ensures that the material is subjected to the intended testing conditions, facilitating accurate data collection and analysis.

4. Versatility: Single-acting hydraulic cylinders are versatile and can be integrated into various types of material testing equipment. They can be incorporated into universal testing machines, compression testing machines, tensile testing machines, fatigue testing machines, and other specialized testing equipment. The cylinders can be customized and configured to suit specific testing requirements and specimen sizes.

5. Safety Considerations: Material testing often involves significant forces or pressures that can pose safety risks. Single-acting hydraulic cylinders can incorporate safety features such as overload protection mechanisms or emergency stop systems. These safety measures help prevent accidents, equipment damage, or specimen failure, ensuring the safety of personnel and the integrity of the testing equipment.

6. Data Acquisition: Single-acting hydraulic cylinders can be integrated with data acquisition systems to capture and record the force and displacement data during material testing. Load cells or pressure transducers can be installed to measure the force exerted by the cylinder, while displacement sensors can measure the movement or deformation of the specimen. This data acquisition capability facilitates accurate and comprehensive analysis of the material’s behavior under different testing conditions.

It is important to design and configure the material testing equipment carefully, considering factors such as the type of material being tested, the desired testing parameters, and the applicable testing standards. Compliance with industry standards and regulations should also be ensured to maintain the accuracy and reliability of the testing results.

In summary, single-acting hydraulic cylinders can be effectively integrated into material testing equipment due to their force generation capabilities, load capacity options, precise control, versatility, safety considerations, and data acquisition capabilities. These features enable accurate and reliable testing of material properties and performance.

single acting hydraulic cylinder

What are the advantages of using single-acting hydraulic cylinders in hydraulic systems?

Using single-acting hydraulic cylinders in hydraulic systems offers several advantages. Here’s a detailed explanation:

1. Simplicity and Cost-Effectiveness: Single-acting hydraulic cylinders have a simple design, consisting of a piston, cylinder, and hydraulic fluid. This simplicity makes them cost-effective to manufacture, purchase, and maintain compared to more complex hydraulic cylinders. Their straightforward construction also facilitates easier installation and troubleshooting.

2. Unidirectional Force: Single-acting hydraulic cylinders generate force in one direction, typically extending the piston. This unidirectional force output is advantageous in applications where force is required in one direction only, such as lifting, pushing, or pressing tasks. The absence of a return stroke simplifies the hydraulic circuit and reduces complexity.

3. Efficient Power Transfer: Single-acting hydraulic cylinders offer efficient power transfer from the hydraulic fluid to the load. When hydraulic pressure is applied to the cylinder’s pressure chamber, it generates a linear force that moves the piston. This force is transmitted directly to the load, resulting in efficient power transmission without energy loss.

4. Compact and Lightweight: Single-acting hydraulic cylinders are generally compact and lightweight, making them suitable for applications with space or weight restrictions. Their compact size allows for easier integration into hydraulic systems, while the reduced weight minimizes the overall system weight. This can be advantageous in mobile or portable hydraulic equipment.

5. Reduced Complexity: Compared to double-acting hydraulic cylinders that require hydraulic fluid flow in both directions, single-acting cylinders have simpler hydraulic circuitry. This reduced complexity can lead to easier system design, installation, and maintenance. Additionally, the absence of a return stroke simplifies the control and valve requirements in the hydraulic system.

6. Lower Initial Cost: Single-acting hydraulic cylinders typically have a lower initial cost compared to double-acting cylinders. This cost advantage makes them an attractive choice for applications with budget constraints. However, it’s important to consider the specific requirements of the application and evaluate the overall cost-effectiveness, including factors such as performance, maintenance, and lifecycle costs.

7. Reliable and Durable: Single-acting hydraulic cylinders are known for their reliability and durability. With fewer moving parts and simpler construction, they are less prone to mechanical failures. This reliability ensures consistent performance and reduces downtime, resulting in increased productivity and operational efficiency.

8. Wide Range of Sizes and Capacities: Single-acting hydraulic cylinders are available in a wide range of sizes and capacities to suit various application requirements. Whether it’s a small-scale application or a heavy-duty industrial task, there are single-acting cylinders available to meet the specific force and stroke requirements.

In summary, the advantages of using single-acting hydraulic cylinders in hydraulic systems include simplicity and cost-effectiveness, unidirectional force output, efficient power transfer, compactness and lightweight design, reduced complexity, lower initial cost, reliability and durability, and a wide range of sizes and capacities. These advantages make single-acting hydraulic cylinders suitable for a variety of applications, offering effective and economical force generation in hydraulic systems.

China supplier 55-1000ton Single Acting Big Tonnage Lock Nut Hydraulic Cylinder with CE Certification   with Good quality China supplier 55-1000ton Single Acting Big Tonnage Lock Nut Hydraulic Cylinder with CE Certification   with Good quality
editor by CX 2023-11-29