An integrated structure for connecting a reduction gear and a knuckle, engineering machinery

By integrating the support shaft and steering knuckle into a single design, the problem of complex assembly in split-type systems is solved, enabling high-strength and high-precision machining and extending product lifespan.

CN224533290UActive Publication Date: 2026-07-21XUZHOU XCMG DRIVELINE TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
XUZHOU XCMG DRIVELINE TECH CO LTD
Filing Date
2025-07-31
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

The separate design of conventional reducers and steering knuckles makes assembly difficult, bolts are prone to damage, machining accuracy is hard to guarantee, and the overall structural length is increased, making it difficult for machining equipment to meet the accuracy requirements.

Method used

The design adopts an integrated structure, integrating the support shaft and steering knuckle. It features machining holes for the brake oil circuit and seals them with ball expansion plugs. The steering knuckle side plate has a steering ball head fixing stop and threaded holes. All steps are rounded to achieve machining on the same reference.

Benefits of technology

It simplifies the assembly process, improves structural strength and machining accuracy, and extends product lifespan.

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Abstract

The utility model discloses an integrated structure for connecting speed reducer and steering knuckle, engineering machinery, including structure main body, the structure main body is divided into the first half and the second half, the first half is the support axle, is used for connecting with speed reducer, and be equipped with brake oil circuit processing technology hole in the support axle, the second half is the square box that forms by the tail portion of support axle outward axial extension, two opposite side plates in square box each install one symmetry steering knuckle, another two side plates in square box, one side plate is used for installing steering cylinder support, and another side plate is used for installing shock absorber support. The utility model has solved steering knuckle and support axle split assembly difficult, the problem of low service life.
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