The Main Structure of the Truck Crane

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Publication Date: 2024-06-11 Promulgator:Admin Clicks:26 Back

The main structure and design difficulties of the truck crane include the following aspects:

Main structure:
1. Chassis (body chassis): includes the engine, transmission, drive axle, suspension system, steering system and tires, etc., providing the driving function of the truck crane.
2. The upper part: includes the cab, hydraulic system, control system, boom and rotating support, etc., providing lifting and operation functions.
3. Boom (crane arm): usually telescopic, composed of multiple arms, telescopic through the hydraulic system to achieve lifting operations at different heights and distances.
4. Slewing support device: used to connect the upper part and the chassis, capable of 360-degree slewing operation, and improve operational flexibility.
5. Outrigger: used to improve the stability of the truck crane during operation, usually telescopic, controlled by the hydraulic system.
6. Hydraulic system: provides power transmission and control, mainly used for the telescopic extension of the boom, the telescopic extension of the outrigger, the operation of the slewing device, etc.
7. Control system: including electrical and hydraulic control, responsible for the operation and safety protection of the whole vehicle.

Design Difficulties:
1. Structural strength and stability: It is necessary to ensure that the boom and the overall structure can withstand high loads without deformation or breakage during lifting operations.
2. Reliability of the hydraulic system: The hydraulic system is the key to the operation of the truck crane. The design needs to ensure that it is efficient, reliable, and can cope with various harsh working conditions.
3. Weight and center of gravity control: While ensuring structural strength, reducing the deadweight as much as possible and designing a reasonable center of gravity distribution to improve operational stability is necessary.
4. Lifting capacity and operating range: It is necessary to increase the lifting capacity and operating range as much as possible within the limited arm length and operating space, while ensuring safety.
Design of the slewing support device: It is required to be able to perform 360-degree slewing operations smoothly and accurately, and to withstand the operating load of the boom in different directions.
5. Outrigger design and ground adaptability: It is necessary to design an outrigger system that can adapt to different ground conditions to ensure sufficient stability in various environments.
6. Intelligent control system: Modern mobile cranes pay more and more attention to intelligent control, including ease of operation, fault diagnosis and safety protection.

7. Safety protection measures: including overload protection, anti-rollover protection, limit devices, etc., to ensure safety under various operating conditions.

Summary: The design of mobile cranes needs to comprehensively consider multiple factors such as structural strength, operational flexibility, operational stability and safety. The design difficulties mainly focus on ensuring the balance between efficient lifting capacity and reliable safety protection, and how to provide precise operation control in complex operating environments.

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