Special high-speed debugging gearbox for locomotive engine test bench

Abstract

The invention relates to a high-speed debugging gear box special for a locomotive engine test bed. The high-speed debugging gear box comprises a box body, an input shaft, an input flange, an output shaft, an output flange and a forced lubricating system, wherein the box body is fixed on the test bed, a main transmission branch formed by an input shaft and an output shaft are disposed in the gear box, the input shaft and the output shaft are located on the same central axis, a two section type bypass transmission branch parallel with the main transmission branch is further disposed in the gear box, and the front section and the rear section of the bypass transmission branch are located on the same central axis; the input shaft, the output shaft, the front section of the bypass transmission branch and the rear section of the bypass transmission branch are supported in the box body through support bearings; the front section of the bypass transmission branch is connected with the input shaft through a variable-speed gear pair, the front section of the bypass transmission branch and the input shaft operate synchronously, the rear section of the bypass transmission branch is connected with the output shaft through a gear pair, and the rear section of the bypass transmission branch and the output shaft operate synchronously; a clutch device for shutdown synchronization adjusting is disposed between the input shaft and the output shaft, a clutch device for shutdown synchronization adjusting is disposed between the front section and the rear section of the bypass transmission branch, and each clutch device selects one transmission branch to transmit power.

Description

technical field [0001] The invention relates to a special high-speed debugging gearbox for a locomotive engine test bench, especially a high-speed gearbox for a locomotive engine test bench that can provide at least two speed ratios provided by shifting modes, belonging to the accessory assembly of the engine test bench. Background technique [0002] The locomotive engine test platform is also called engine test bench or engine test bench. It is mainly used to test or test engine performance, provide technical support for engine designers, and provide quality assurance for products leaving the factory. It can be seen that the locomotive engine test platform is one of the indispensable tools in the engine manufacturing industry. [0003] At present, the matching gearbox in the engine test platform generally adopts parallel input shaft and output shaft, and the axial distance between the input shaft and the output shaft is relatively large, resulting in a large volume of the g...

AI Technical Summary

Problems solved by technology

[0003] At present, the supporting gearbox in the engine test platform generally adopts parallel input shaft and output shaft, and the axial distance between the input shaft and the output shaft is relatively large, resulting in a large gearbox

In addition, since the shifting mechanism is generally established between two gears that can rotate relatively independently, the shifting structure is relatively complicated.

At the same time, due to the unavoidable existence of idle gears in the shifting mechanism, and the idle gears without load are prone to vibration and noise

[0004] These technical defects in the supporting gear box in the engine test platform have become a major bottleneck for the engine test platform manufacturers to upgrade the technology of the engine test platform, and are urgently needed to be solved by the engine test platform manufacturers in the technical improvement of the engine test platform technical challenge

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