CLL Series Single Acting Lock Nut Hydraulic Cylinders

các LONGLOOD CLL Series Single Acting Lock Nut Hydraulic Cylinders are designed for heavy-duty lifting, định vị, leveling, and load-holding applications where high capacity, precise control, and long-term mechanical stability are required.

Với công suất từ 50 ĐẾN 1000 tấn, these hydraulic cylinders provide reliable lifting performance for demanding industries including bridge construction, heavy machinery installation, đóng tàu, power plants, kết cấu thép, và bảo trì công nghiệp.

Đặc trưng với một mechanical lock nut system, single-acting load return design, Và high-strength removable grooved saddles, the CLL Series ensures safe load holding even during extended operations.

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CLL Series Hydraulic Cylinder Features

Single-Acting Load Return Design

The single-acting hydraulic system provides efficient lifting performance with reliable load return.

Thuận lợi:

• Simple and dependable operation
• Reduced system complexity
• Reliable retraction after lifting
• Suitable for heavy lifting applications

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Safety Lock Nut for Mechanical Load Holding

The integrated lock nut provides positive mechanical support after lifting.

Những lợi ích:

• Maintains load position without continuous hydraulic pressure
• Cải thiện an toàn vận hành
• Suitable for long-term load holding
• Reduces hydraulic system stress during extended support

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High-Strength Construction

Designed for extreme industrial applications, CLL cylinders feature robust components to withstand heavy loads and demanding environments.

Key advantages:

• High load-bearing capability
• Excellent structural strength
• Reliable performance under repeated lifting cycles
• Tuổi thọ dài

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Special Synthetic Coating

The optional special synthetic coating provides:

• Enhanced corrosion resistance
• Reduced friction
• Smoother piston movement
• Improved durability in harsh environments

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Overflow Port as Stroke Limiter

The integrated overflow port helps prevent piston overextension by acting as a stroke limiter.

Những lợi ích:

• Bảo vệ các thành phần bên trong
• Cải thiện an toàn vận hành
• Kéo dài tuổi thọ xi lanh

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Interchangeable Hardened Grooved Saddles

All CLL Series cylinders are equipped with bolt-on removable grooved saddles.

Thuận lợi:

• Easy replacement
• Improved versatility
• Enhanced load stability
• Suitable for different lifting applications

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CLL Series Specifications

Đặc điểm kỹ thuật	Chi tiết
Loại sản phẩm	Xi lanh thủy lực khóa đơn
Phạm vi công suất	50–1000 Ton
Phạm vi hành trình	50–300 mm
Áp suất vận hành tối đa	700 thanh
Return Type	Tải trở lại
Locking System	Mechanical Lock Nut
Saddle Type	Removable Grooved Saddle

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Technical Data

Người mẫu	Đột quỵ (mm)	Khu vực hiệu quả (cm²)	Công suất dầu (cm³)	Collapsed Height (mm)	Cân nặng (kg)
CLL-502	50	70.9	355	164	15
CLL-504	100	70.9	709	214	20
CLL-506	150	70.9	1064	264	25
CLL-508	200	70.9	1418	314	30
CLL-5010	250	70.9	1773	364	35
CLL-5012	300	70.9	2127	414	40
CLL-1002	50	132.7	664	187	30
CLL-1004	100	132.7	1327	237	39
CLL-1006	150	132.7	1991	287	48
CLL-1008	200	132.7	2654	337	56
CLL-10010	250	132.7	3318	387	64
CLL-10012	300	132.7	3981	437	73

(Additional models available up to CLL-1000 ton capacity.)

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Heavy-Duty Applications

Bridge Construction and Infrastructure Projects

The LONGLOOD CLL Series cylinders are widely used in large-scale construction projects requiring precise lifting, định vị, and permanent load support.

Example application:

For a curved bridge project, CLL hydraulic cylinders were used to:

• Support concrete beams during installation
• Level bridge pier heads
• Position 4000-ton slide bearings between the pier and pierhead
• Precisely adjust bridge alignment
• Mechanically lock the cylinders after positioning for long-term stability

Other Industrial Applications

CLL Series cylinders are suitable for:

• Bridge launching and construction
• Heavy structure lifting
• Equipment installation
• Steel structure positioning
• Shipbuilding projects
• Power plant maintenance
• Heavy machinery alignment
• Foundation leveling
• Industrial lifting systems
• Large component positioning

Ưu điểm sản phẩm

Extremely High Lifting Capacity

Available up to 1000 tấn, providing reliable lifting power for the largest industrial applications.

Safe Mechanical Load Holding

The lock nut system provides additional safety by mechanically supporting the load after lifting.

Precise Positioning Capability

Ideal for applications requiring accurate adjustment, leveling, and controlled movement.

Durable Heavy-Duty Design

Built for demanding environments with high-strength materials and corrosion-resistant protection.

Reduced Hydraulic Load During Long-Term Support

Mechanical locking reduces the need to maintain hydraulic pressure during extended holding periods.

Hướng dẫn an toàn

Để vận hành an toàn:

• Always confirm cylinder capacity matches the lifting requirement.
• Ensure the cylinder is placed on a stable and level lifting surface.
• Inspect hydraulic hoses, fittings, and cylinder components before operation.
• Never exceed the maximum working pressure of 700 thanh.
• Engage the lock nut properly after reaching the required position.
• Do not rely solely on hydraulic pressure for long-term load support.
• Use appropriate safety equipment during lifting operations.

Câu hỏi thường gặp (Câu hỏi thường gặp)

1. What is a lock nut hydraulic cylinder?

A lock nut hydraulic cylinder is a heavy-duty hydraulic cylinder equipped with a mechanical locking system that allows the lifted load to be securely held without continuous hydraulic pressure.

2. What is the capacity range of CLL Series cylinders?

The LONGLOOD CLL Series covers capacities from:

50 tấn đến 1000 tấn

with stroke options from:

50 mm to 300 mm

3. Why is a lock nut important for hydraulic cylinders?

The lock nut provides mechanical load support after lifting, improving safety and allowing the cylinder to hold heavy loads for extended periods.

4. What industries use CLL Series cylinders?

Chúng thường được sử dụng trong:

• Bridge construction
• Infrastructure projects
• Heavy equipment installation
• Đóng tàu
• Power plants
• Steel structure projects

5. Can the cylinder hold a load after hydraulic pressure is released?

Đúng. Once the mechanical lock nut is engaged, the cylinder can provide mechanical load holding without depending only on hydraulic pressure.

6. What is the purpose of the grooved saddle?

The grooved saddle improves load stability and allows better contact with lifting points. The removable design makes replacement and customization easier.

7. What is the maximum operating pressure?

The maximum operating pressure of the CLL Series hydraulic cylinders is:

700 thanh (10,000 psi)

8. What type of return system does the CLL cylinder use?

The CLL Series uses a single-acting load return system, providing reliable piston return after lifting operations.

9. Can LONGLOOD customize hydraulic cylinders?

Đúng. LONGLOOD provides OEM and ODM services, including customized capacity, chiều dài hành trình, lớp phủ, saddles, connections, and branding.

10. Why choose LONGLOOD CLL Series Hydraulic Cylinders?

các LONGLOOD CLL Series Single Acting Lock Nut Hydraulic Cylinders combine extreme lifting capacity, mechanical safety locking, precision control, and durable construction. They are an ideal solution for heavy lifting, bridge construction, and industrial applications requiring maximum reliability and safety.