作為專業的重型物料搬運設備, 這 70 tons overhead crane is engineered to meet the rigorous demands of large-scale industrial lifting operations. Designed with advanced technology and robust structural design, 這 橋式起重機 delivers exceptional load-bearing capacity, 精確控制, and reliable performance, making it an indispensable asset in industries requiring efficient and safe handling of ultra-heavy loads.

70 噸橋式起重機核心特點 & 優點
- 1. 卓越的承載能力: Rated lifting capacity of 70 噸, with a reinforced main beam and high-strength steel structure that undergoes strict quality testing (including non-destructive testing) to ensure stable operation under full-load conditions. The optimized beam design effectively distributes load stress, reducing deformation and extending service life.
- 2. 精確的 & Efficient Control System: Equipped with a variable frequency drive (變頻驅動) system that enables smooth acceleration and deceleration, minimizing load sway and ensuring precise positioning of heavy loads. The control mode supports both cabin operation and remote control, allowing operators to choose the most convenient way based on on-site conditions, improving operation efficiency and safety.
- 3. 全面的安全防護: Integrated with multiple safety devices, 包括過載保護, 上限/下限開關, 緊急停止按鈕, anti-collision device, 和電壓保護. These devices form a multi-layered safety barrier to prevent accidents caused by operational errors or equipment malfunctions, safeguarding personnel and on-site assets.
- 4. 耐用的 & Low-Maintenance Design: 關鍵部件 (such as motors, 減速機, and hooks) are sourced from well-known brands, ensuring high reliability and wear resistance. The sealed design of the transmission system prevents dust and debris from entering, reducing maintenance frequency and operational costs. 此外, the crane is designed with easy access to components for convenient inspection and maintenance.
- 5. Customizable Configuration: Based on the specific needs of different industries and working environments, we offer customizable options for span (10m-30m), 舉升高度 (12m-24m), and auxiliary devices (such as grabs, electromagnetic suckers). This flexibility ensures the crane perfectly adapts to various operational scenarios.

70 Tons Overhead Crane Technical Parameters
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範圍
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規格
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額定起重量
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70 噸
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跨度
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10米 – 30m (可定制)
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提升高度
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12m – 24m (可定制)
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起升速度
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0.5 - 5 M/我 (Variable Frequency Adjustable)
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小車行駛速度
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5 - 20 M/我
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起重機行駛速度
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10 - 30 M/我
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電源
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380伏/50Hz/3相 (Customizable for Different Countries)
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工薪階層
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A5 – A7 (Suitable for Heavy-Duty Continuous Operation)
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整機重量
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Depends on Span & 提升高度 (Consult for Detailed Quotation)
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Structural Composition of 70 噸雙樑橋式起重機

- 1. 主梁: As the core load-bearing structure, the double main girders are made of high-strength Q355B steel, welded with advanced submerged arc welding technology. The box-type cross-section design enhances rigidity and load-bearing capacity, ensuring stable operation under heavy loads. Each main girder undergoes strict stress relief treatment to eliminate welding residual stress and prevent deformation.
- 2. End Girders: Connected to both ends of the main girders, the end girders are responsible for supporting the entire crane and connecting the traveling mechanism. They are designed with a rigid structure to ensure the overall stability of the crane during horizontal movement. The connection between end girders and main girders adopts high-strength bolts for reliable fixation.
- 3. Trolley Assembly: Composed of trolley frame, 升降機構, and trolley traveling mechanism. The lifting mechanism includes hoist, 鋼絲繩, 起重機鉤, and pulley block, which realizes the lifting and lowering of heavy loads. The trolley traveling mechanism drives the trolley to move along the track on the main girders, enabling lateral positioning of loads.
- 4. Crane Traveling Mechanism: Installed on the end girders, it consists of motors, 減速機, wheels, 和剎車. This mechanism drives the entire crane to move along the ground track, realizing long-distance transportation of loads. The adoption of frequency conversion speed regulation ensures smooth start and stop, reducing impact on the track and structure.
- 5. Electrical Control System: Includes control cabinet, operation console (cabin or remote control), frequency converter, 接觸器, and sensors. It is the “brain” of the crane, responsible for controlling the operation of each mechanism, realizing functions such as lifting, 降低, trolley traveling, and crane traveling. 同時, it is integrated with safety protection devices to ensure safe and reliable operation.
- 6. 安全裝置: In addition to the safety protection components integrated in the electrical system, the structural safety devices also include rail clamps (to prevent crane sliding during power failure), buffer devices (to absorb impact energy during collision), 和防脫軌裝置 (to ensure the wheels run stably on the track).
70 噸橋式起重機應用場景

這 70 tons overhead crane is widely used in heavy industry fields that require handling of large and heavy workpieces. 典型應用場景包括:
- 1. 鋼廠: Lifting steel ingots, steel plates, and finished steel products during smelting and processing.
- 2. 造船廠: Hoisting ship sections, 發動機, and other large marine components during shipbuilding and maintenance.
- 3. 港口 & Wharf: Loading and unloading heavy cargo, 容器, and large mechanical equipment from ships and trucks.
- 4. Heavy Machinery Factories: Assembling large industrial machinery (such as excavators, bulldozers) and lifting castings and forgings.
- 5. 發電廠 & Hydropower Stations: Installing and maintaining large generators, 渦輪機, and other power equipment.
品質保證 & 售後服務
We adhere to strict quality control standards throughout the production process, from raw material selection to final product testing. 我們的 70 tons overhead crane has passed ISO 9001 quality management system certification and relevant international safety certifications (such as CE), ensuring compliance with global industry standards.
To provide customers with worry-free use, we offer comprehensive after-sales services, 包括:
- 1. Professional on-site installation and commissioning by experienced technicians.
- 2. Operator training to ensure safe and proper use of the equipment.
- 3. Regular maintenance and inspection services to extend equipment life.
- 4. 24/7 after-sales support and timely supply of spare parts.
If you are looking for a reliable 70-ton heavy-duty lifting solution, please contact us for a customized quotation and detailed technical proposal. We are committed to providing you with high-quality products and professional services tailored to your specific needs.
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