CLL Series Single Acting Lock Nut Hydraulic Cylinders

А LONGLOOD CLL Series Single Acting Lock Nut Hydraulic Cylinders предназначены для подъема тяжелых грузов, позиционирование, выравнивание, and load-holding applications where высокая емкость, точный контроль, and long-term mechanical stability are required.

Имея мощности от 50 к 1000 тонны, these hydraulic cylinders provide reliable lifting performance for demanding industries including bridge construction, heavy machinery installation, судостроение, электростанции, стальные конструкции, и промышленное обслуживание.

Благодаря mechanical lock nut system, конструкция с возвратом нагрузки одностороннего действия, и 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.

Преимущества:

• Simple and dependable operation
• Уменьшенная сложность системы
• Reliable retraction after lifting
• Подходит для подъема тяжелых грузов

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Safety Lock Nut for Mechanical Load Holding

The integrated lock nut provides positive mechanical support after lifting.

Преимущества:

• Maintains load position without continuous hydraulic pressure
• Повышает эксплуатационную безопасность
• 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
• Длительный срок службы

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Специальное синтетическое покрытие

The optional special synthetic coating provides:

• Повышенная коррозионная стойкость
• 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.

Преимущества:

• Защищает внутренние компоненты
• Повышает эксплуатационную безопасность
• Продлевает срок службы цилиндра

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Interchangeable Hardened Grooved Saddles

All CLL Series cylinders are equipped with съемные рифленые седла с болтовым креплением.

Преимущества:

• Простая замена
• Improved versatility
• Enhanced load stability
• Suitable for different lifting applications

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CLL Series Specifications

Спецификация	Подробности
Тип продукта	Гидравлический цилиндр с контргайкой одностороннего действия
Диапазон мощности	50–1000 тонн
Диапазон хода	50–300 мм
Максимальное рабочее давление	700 бар
Тип возврата	Загрузка возврата
Locking System	Mechanical Lock Nut
Тип седла	Removable Grooved Saddle

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Технические данные

Модель	Гладить (мм)	Эффективная площадь (см²)	Емкость масла (см³)	Свернутая высота (мм)	Масса (кг)
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, позиционирование, 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
• Позиция 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

Преимущества продукта

Extremely High Lifting Capacity

Доступно до 1000 тонны, 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, выравнивание, и контролируемое движение.

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.

Правила техники безопасности

Для безопасной эксплуатации:

• Always confirm cylinder capacity matches the lifting requirement.
• Ensure the cylinder is placed on a stable and level lifting surface.
• Осмотр гидравлических шлангов, арматура, and cylinder components before operation.
• Never exceed the maximum working pressure of 700 бар.
• 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.

Часто задаваемые вопросы (Часто задаваемые вопросы)

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 тонны до 1000 тонны

with stroke options from:

50 мм до 300 мм

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?

Они обычно используются в:

• Строительство моста
• Инфраструктурные проекты
• Heavy equipment installation
• Судостроение
• Power plants
• Steel structure projects

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

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

6. Каково назначение рифленого седла?

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

7. Какое максимальное рабочее давление??

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

700 бар (10,000 пси)

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?

Да. LONGLOOD предоставляет услуги OEM и ODM., including customized capacity, длина хода, покрытия, седла, связи, and branding.

10. Why choose LONGLOOD CLL Series Hydraulic Cylinders?

А LONGLOOD CLL Series Single Acting Lock Nut Hydraulic Cylinders combine extreme lifting capacity, mechanical safety locking, прецизионный контроль, и прочная конструкция. Они являются идеальным решением для поднятия тяжестей., строительство моста, and industrial applications requiring maximum reliability and safety.