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Classification of Cranes

Classification of Cranes

How are lifting and transporting machines classified? Lifting and transporting machinery are specialized mechanical equipment—commonly found in industries such as manufacturing, metallurgy, chemical processing, mining, and forestry—and play a critical role in both human life and production activities. These machines typically operate through intermittent, repetitive motions, using hooks or other lifting devices to hoist and move materials. As they come in various forms and types, they can be broadly categorized into two main groups based on their structure and intended use: simple lifting devices (simple lifting machinery) and cranes.

2020-02-13

Basic Safety Knowledge for Mechanical Operations

Basic Safety Knowledge for Mechanical Operations

1. What are the main causes and types of injuries caused by mechanical accidents? Mechanical accidents typically result in the following types of injuries: 1. Injuries caused by rotating parts of machinery and equipment. For example, gears, pulleys, sheaves, chucks, shafts, leadscrews, spindles, and couplings—components commonly found in machines—are all designed to rotate. The primary ways these rotating parts can injure workers include entanglement and being struck by flying objects. 2. Injuries caused by the linear motion of machine components. Examples include the ram of forging hammers, the slide of punching machines, the pressing elements of sheet-metal cutting tools, the headstock of a planer, the table of a gantry milling machine, as well as the trolleys and lifting mechanisms of bridge cranes.

2020-02-13

Crane Basics (Part 3)

Crane Basics (Part 3)

Key considerations for repurposing old factory buildings: overall machine dimensions, wheel load, service duty class, lifting and traveling speeds, and lifting height. VI. Data required by the design institute: 1. Crane rail installation dimensions. 2. Crane power supply conductor rail installation dimensions. 3. Crane wheel load distribution diagram. 4. Crane weight. 5. Trolley weight. 6. Crane impact loads. 7. Hook’s maximum dimensions. 8. Crane clearance dimensions and overall external dimensions.

2020-02-13

How to maintain and repair bridge cranes—Leicester offers professional, fast, and convenient services.

How to maintain and repair bridge cranes—Leicester offers professional, fast, and convenient services.

The bridge-type crane is currently the most widely used and most commonly applied type of crane, extensively utilized in indoor and outdoor warehouses, factory buildings, docks, and open-air storage yards. The lifespan of specialized machinery and equipment primarily depends on the quality of the equipment itself, followed closely by the effectiveness of maintenance practices, which can be categorized into daily, monthly, and annual maintenance routines.

2020-02-13

What form is best for the main beam of a single-girder crane?

What form is best for the main beam of a single-girder crane?

Many people considering the purchase of a bridge crane wonder whether to opt for an all-steel main beam or another option—especially when it comes to single-girder bridge cranes. The choice of main beam type largely depends on the lifting capacity and span requirements. Currently, most single-girder bridge cranes are equipped with all-steel main beams, and even larger-scale crane manufacturers typically prefer this design.

2020-02-13

The lifting equipment industry is struggling to recover, and several key factors are hindering its revival.

The lifting equipment industry is struggling to recover, and several key factors are hindering its revival.

The lifting equipment industry has remained sluggish for several years, with many companies choosing to exit the market during this period. Meanwhile, some enterprises are actively exploring new avenues for growth. Overall, however, a recovery remains challenging, primarily due to three key factors: First, there’s an overcapacity issue. China’s vast territory and abundant resources mean that lifting equipment—being long-lasting, durable machinery—are often produced in far greater quantities than actual demand, leading to a supply-demand imbalance. To address this critical challenge, the industry urgently needs to "go global," leveraging emerging overseas markets to help absorb the excess capacity.

2020-02-13

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Wind power equipment: Keep half your mind awake, and let the other half drift in a dreamy haze.

2020-02-13

The industry is experiencing explosive growth, reshaping the competitive landscape of the wind power equipment sector.

2020-02-13

The Ministry of Finance clarifies the detailed rules for the use of special funds allocated to the wind power equipment industry.

2020-02-13

Three Major Favorable Policies Supporting the Machinery Industry in 2009

2020-02-13

National Administration of Quality Supervision: Notice on Opinions Regarding the Rectification Work for Metallurgical Lifting Machinery

2020-02-13

A 4 trillion yuan investment boost fuels hopes for the lifting equipment industry's rebirth.

2020-02-13

Chengdu Chengde Heavy Forging Co., Ltd.

Contact: Mr. Feng
Mobile phone: +86-13982279038
Landline: +86-2883066386

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