Drop-type gearbox impact test bench and test method thereof

Abstract

The invention provides a drop-type gearbox impact test bench and a test method thereof. The drop-type gearbox impact test bench comprises a drop-type impact testing machine, a power closed test system and a test and analysis system. A small belt wheel is connected with the motor through a flat key, a large belt wheel is connected with a large gear of the transmission gear box through a flat key, power is transmitted between the motor and the transmission gear box in a belt transmission mode, and the transmission ratio is 28: 36. The large gear of the transmission gear box is connected with a torsion shaft through a diaphragm coupling, and the torsion shaft is connected with a test gear box large gear through a connecting gear sleeve; and the small gear of the transmission gear box is connected with the test gear box small gear through a diaphragm coupling. According to the invention, the drop-type impact test is carried out in the running and loading states, and simulation and test are combined so that on one hand, a simulation analysis method is verified, and on the other hand, the impact characteristics of the gearbox in the running state are mastered, and the gearbox design is better guided.

Description

technical field [0001] The invention relates to an impact test bench and a test method thereof, in particular to a drop-type gearbox impact test bench and a test method thereof. Background technique [0002] Gearbox is an important form of power transmission, and plays an important role in the fields of automobiles, ships, aerospace and aviation. With the gradual diversification of the use environment, the impact resistance of gearboxes has attracted more and more attention. In the civilian field, whether the gearbox can withstand the impact of earthquakes is a necessary consideration in the design and production of large-scale power equipment. In the military field, the shock resistance of the gearbox is directly related to the vitality and combat effectiveness of the ship, and is the core technical index of the ship. . Anti-shock technology is an experimental science. On the basis of experiments, appropriate combination of simulation analysis can achieve the purpose of i...

AI Technical Summary

Problems solved by technology

At present, most common gearbox impact tests are carried out in the static state of the gearbox. Although it can reflect the impact resistance performance of the equipment to a certain extent, it is far from the actual operating state. Designing a gearbox based on this test will cause The safety margin is too large and the economy is poor

In addition, the impact test method at this stage cannot reflect the impact of rotating (transmission) parts such as gears and bearings in the impact environment, and the impact of impact loads on transmission performance is rarely obtained through tests.

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