Corbel beam test tool

Abstract

The invention relates to a corbel beam test tool, and relates to the field of testing of mechanical parts. The test tool is used for testing rigidity and strength of a left corbel beam and a right corbel beam, and comprises: two base stations arranged at an interval; sliding pieces, which are in one-to-one correspondence with the base stations and are arranged on the base stations in a sliding mode, and the left corbel beam and the right corbel beam stretch across the two base stations at the same time; a force bearing piece, which is used for being fixed with the axle clamping parts on the left corbel beam and the right corbel beam; the force bearing piece is arranged between the two base stations in a suspended mode through the axle clamping parts; and an actuating cylinder, which is positioned between the left corbel beam and the right corbel beam and is fixed on the force bearing piece; the actuating cylinder exerts force on the force bearing piece from top to bottom, and the left corbel beam and the right corbel beam are stressed and deformed at the same time and slide back and forth on the base stations through the sliding pieces; through the structural design of the test tool, the left and right corbel beams are tested in pairs, the state of the whole vehicle can be effectively simulated, and meanwhile, the rigidity and strength of the corbel beams are tested to reflect the influence of manufacturing errors and manufacturing processes on the corbel beams.

Description

technical field [0001] The invention relates to the testing field of mechanical components, in particular to a supporting arm beam testing tool. Background technique [0002] The four-airbag full-air suspension system with a parallelogram guide structure is widely used in high-grade highway buses, heavy-duty trucks and tractors because of its excellent handling and comfort; The bearing function is also the core of connecting the guiding mechanism, the shock absorbing mechanism and the stabilizing mechanism; the support arm beam is the most critical component in the suspension system. [0003] In the design of the suspension system, due to the limitation of the structure layout of the automobile chassis and the lightweight requirements of the vehicle, the support beam generally adopts a casting structure to facilitate design and development; however, the rigidity design of the support beam needs to refer to the same life as the vehicle. [0004] Finite element virtual verifi...

AI Technical Summary

Problems solved by technology

[0004] Finite element virtual verification is an indispensable part of the design and development of the supporting arm beam; even so, due to manufacturing errors and casting processes, it is still necessary to verify the supporting arm beam on a physical bench; but the traditional physical bench verification The entire suspension system is used as the test object. The disadvantage of this method is that it requires high equipment and is expensive.

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