Adjustable easy-to-center transmission chassis dynamometer and dynamometer method

By combining the axial translation support and the front and rear adjustable support structure, along with the ramp and liftable support, the transmission chassis dynamometer device achieves precise vehicle alignment, solving the problem of difficult alignment for heavy-duty vehicles and improving testing efficiency and accuracy.

CN117168668BActive Publication Date: 2026-04-28JIANGSU XCMG STATE KEY LAB TECH CO LTD
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Patent Information

Application Number
CN202310313187.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-03-28
Publication Date
2026-04-28
Estimated Expiration
2043-03-28

AI Technical Summary

Technical Problem

Existing transmission chassis dynamometers are difficult to align with vehicles, especially heavy-duty vehicles and large vehicles. Traditional devices cannot effectively support them and are difficult to adjust, affecting testing efficiency and accuracy.

Method used

An adjustable and easily centered transmission chassis dynamometer device was designed. It adopts a combination structure of axial translation support and front and rear adjustable support, combined with ramp and liftable support base. It achieves precise alignment of vehicle tires through motor drive and laser positioning sensor, simplifying the alignment process.

Benefits of technology

It achieves accurate alignment of heavy-duty vehicles, reduces the difficulty of alignment, improves testing efficiency and accuracy, adapts to various vehicle models, and supports the dynamometer testing needs of both front-wheel drive and rear-wheel drive vehicles.

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Abstract

The application discloses an adjustable easy-centering transmission chassis dynamometer device and a dynamometer method, which comprise a base, a dynamometer hub, a sinking space, a sliding groove, an axial translation support and front and rear adjusting supports; a pair of the front and rear adjusting supports in the front and rear directions are provided with an adjusting interval on the dynamometer hub; a plurality of liftable support seats are further arranged on the middle part of the base; auxiliary positioning brackets are respectively arranged on the outer sides of the axial translation supports; the auxiliary positioning brackets are arranged in positive correspondence with the central axis of the dynamometer hub; and a centering sensor is arranged on the auxiliary positioning bracket. The adjustable easy-centering transmission chassis dynamometer device is convenient for the centering adjustment between a pair of wheels of a heavy-load vehicle, has high centering accuracy and high flexibility.
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