A composite fatigue testing device and method for a V-shaped thrust rod assembly
A technology of fatigue testing and thrust rods, which is applied in the directions of measuring devices, vehicle testing, machine/structural components testing, etc., can solve problems such as inability to realize two-way simultaneous loading, achieve high-efficiency fatigue testing, good repeatability, and improve authenticity Effect
Active Publication Date: 2020-11-10
BOGE RUBBER&PLASTICS ZHUZHOU CO LTD
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Problems solved by technology
The utility model with the publication number CN 201311358 Y discloses a V-shaped thrust rod transverse test tool, the bracket is fixed on the workbench, and the fixing seat is fixed on the bracket through bolt connection. The fixing seat is an integral structure, and the V-shaped thrust rod Both ends are bolted to the fixing seat, the V-shaped end is bolted to the lateral loading tool, and the lateral loading tool is connected to the linear actuator. This device only simulates the lateral force of the V-shaped thrust rod in the vehicle, and cannot realize Two-way simultaneous loading
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[0032] The V-shaped thrust rod assembly is mainly composed of a V-shaped ball joint, a V-end ball joint (the V-end ball joint includes the V-end ball joint mandrel), two side sleeves, and a small-end ball joint (the small-end ball joint includes Head mandrel) and small-end ball joint, it is the key connecting part between the axle and the frame, which mainly plays the role of force transmission, limit and guidance, and the rubber ball joint on the thrust rod also plays a role in buffering vibration It is mainly used in single-axle or double-rear-axle heavy-duty vehicles with non-independent suspension.
[0033] Please refer to figure 1 and figure 2 , a composite fatigue test device for a V-shaped thrust rod assembly, including a base 1, a small-end ball head mounting slant block 2, a V-end ball head fixing frame 4, a laterally loaded ball joint 5.1 (with a radial joint bearing installed inside), Longitudinal loading ball joint 5.2 (with radial joint bearing installed inside...
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The invention discloses a compound fatigue testing device and method for a V-shaped thrust rod assembly. The compound fatigue testing device comprises a test platform, a base, a small end ball mounting diagonal block, a V-end ball fixing frame, a lateral loading ball joint, a longitudinal loading ball joint, a transverse transition disk, a longitudinal transition disk, and guiding triangular frames. The base is provided with the small end ball mounting diagonal block connected with a small end ball mandrel. A V-end ball holder is connected to a V-end ball joint mandrel. The guide triangular frames are mounted on the base. The longitudinal and lateral compound loading of the V-shaped thrust rod assembly is carried out by a fixing frame, thereby realizing the arc or rotary motion of the V-shaped thrust rod assembly and simulating the real running condition of the V-shaped thrust rod assembly. The testing method simulates the actual loading situation of the V-shaped thrust rod assembly onthe frame and the stress operation condition thereof, and the testing device is simple and effective, reliable in installation and good in repeatability.
Description
technical field [0001] The invention relates to the technical field of automobile thrust rods, in particular to a composite fatigue testing device and method for a V-shaped thrust rod assembly. Background technique [0002] As various types of thrust rods are widely used in heavy-duty commercial vehicles and passenger cars, people's research on thrust rods is getting more and more in-depth. As a key connecting part between the axle and the frame, the thrust rod mainly plays At the same time, the rubber ball joint on the thrust rod also plays the role of buffering vibration and impact. It is one of the key components of the balance suspension of multi-axis vehicles. Therefore, its strength is very important for the whole vehicle. The safety and stability of the driving process have a crucial impact. [0003] Thrust rods are mainly divided into I-type straight rods and V-type rods according to their appearance; straight rods are simple in structure, widely used, and relativel...
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IPC IPC(8): G01M17/007
CPCG01M17/007
Inventor 王叶青林达文王进张志强刘猛猛吴兴磊
Owner BOGE RUBBER&PLASTICS ZHUZHOU CO LTD