What is Yuanbao Beam
The Yuanbao beam (also known as the subframe) is a key component of the car chassis, mainly used to support the front and rear axles and suspension system, connect the axles, suspension and the main frame, and at the same time has functions such as blocking vibration and noise and enhancing the strength of the vehicle body. Youdaoplaceholder0 In addition, in ancient Chinese architecture, Yuanbao beam also refers to a decorative beam-frame structure.
Youdaoplaceholder in the automotive field
Youdaoplaceholder0 Definitions and functions .
The ingots beam is an important component of the car chassis, usually located beneath the engine and shaped like ingots. Its main functions include:
Support the engine and transmission, and fix the key components;
Connect the front and rear axles, suspension and the main frame to enhance the overall rigidity of the vehicle body.
Block vibration and noise to improve riding comfort.
Youdaoplaceholder0 Structure & materials .
It is composed of upper and lower plates and reinforcing plates, and installation sleeves are provided on both sides to adjust the suspension height.
The materials are mostly steel, while high-end models use cast aluminum alloy.
Youdaoplaceholder0 Type and repair .
It is divided into integral stamping type and welded type, and is commonly seen in A-class passenger vehicles with independent loads.
Most models can be disassembled and replaced separately, making maintenance convenient.
The following is a video about the Yuanbao beam in the automotive field:
Youdaoplaceholder0 The Yuanbao beam in ancient architecture
The Yuanbao beam is a decorative beam frame in ancient Huizhou dwellings, China. It is located above the passage of the main room at the back of the courtyard. The central pattern is mostly in the shape of a yuanbao or a ruyi, symbolizing good fortune and wealth. It has no load-bearing function.
Youdaoplaceholder0 The role and application of the Yuanbao beam (subframe) in automobiles mainly include the following aspects :
Youdaoplaceholder0 For support and fixation : The gold beam can support and fix the engine and transmission, ensuring their secure installation on the vehicle .
Youdaoplaceholder0 Connection protection function : The Yuanbao beam increases the strength of the vehicle body by laterally connecting it, protecting components such as the oil pan and engine from direct impact .
Youdaoplaceholder0 Blocking vibration and noise : The Yuanbao beam can block the vibration and noise of the car from entering directly, providing a quieter driving and riding environment .
Youdaoplaceholder0 Enhance body rigidity : The full-frame inget beam can enhance body rigidity, improve the vehicle's handling performance and make it more stable when cornering .
Youdaoplaceholder0 Disperse impact energy : In crash tests, the Yuanbao beam can disperse impact energy, protecting the vehicle structure and passenger safety .
Youdaoplaceholder0 The type and design of the yuanbao beam have a significant effect on its performance :
Youdaoplaceholder0 Full-frame inget beam : A closed metal frame on all four sides, which can effectively filter out bumps and vibrations and enhance the rigidity of the vehicle body. It is suitable for high-performance vehicles such as BMW 3 Series and Audi A4 .
Youdaoplaceholder0 The main manifestations of faults in the Yuanbao beam include :
Youdaoplaceholder0 Abnormal noise : When passing over speed bumps, cobblestone roads or dirt roads, you will hear a "clang clang" metallic knocking sound, and the chassis will also make a "buzzing" or "creaking" abnormal noise .
Youdaoplaceholder0 Increased vibration : The vehicle body is unstable while driving, especially on bumpy roads, the vehicle body shakes severely, the steering wheel has fine vibrations, and even the fine vibrations can be transmitted to the driver's hands .
Youdaoplaceholder0 Decreased handling : Decreased handling and steering flexibility, abnormal noise from the steering system, hardening of the suspension system, inability to effectively filter out road vibrations .
Youdaoplaceholder0 Increased fuel consumption : Due to the affected driving conditions, the engine needs to consume more energy to maintain normal driving, resulting in increased fuel consumption .
Youdaoplaceholder0 The causes of the malfunction of the Yuanbao beam may include :
Youdaoplaceholder0 Problems with the ingots beam itself : Poor material quality or manufacturing process defects may cause the ingots beam to deform or crack, thereby causing abnormal noises .
Youdaoplaceholder0 Collision or bottoming : A strong collision or bottoming may cause the position of the inget beam to shift or get damaged, thereby generating abnormal noises .
Youdaoplaceholder0 Shock absorption system failure : Oil leakage or failure of shock absorbers can cause the vehicle's vibration to be transmitted to the gold beam, resulting in abnormal noise .
Youdaoplaceholder0 Loose parts : If the bolts connecting the Yuanbao beam are loose or the connecting parts between the Yuanbao beam and other parts are loose, it will cause collision and friction and produce abnormal noise during driving .
Youdaoplaceholder0 Rubber sleeve aging : After long-term use, the elasticity of the rubber sleeve decreases, making it unable to effectively buffer vibrations and reduce friction, thereby generating abnormal noises .
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