Multi-dimensional airfoil grabbing device for automobile steering knuckle

By designing a multi-dimensional wing-shaped gripping device and utilizing a wedge drive and hydraulic force equalization system, bidirectional synchronous gripping of the car steering knuckle was achieved, solving the problem of uneven clamping force in existing technologies and improving the stability and efficiency of gripping.

CN122352809APending Publication Date: 2026-07-10CHINA MASCH PRECISION FORMING IND TECH RES INST (ANHUI) CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CHINA MASCH PRECISION FORMING IND TECH RES INST (ANHUI) CO LTD
Filing Date
2026-05-22
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

Existing automotive steering knuckle gripping devices have difficulty coordinating the force transmission relationship in different directions when gripping at multiple points, resulting in uneven clamping force and affecting gripping reliability and efficiency.

Method used

Design a multi-dimensional wing-shaped gripping device for automobile steering knuckles. By setting clamping plates and push plates in the X and Y axes, bidirectional synchronous gripping is achieved using a wedge transmission structure. Parameter matching and a hydraulic force equalization system ensure balanced clamping force, thereby improving the gripping stability of the device.

Benefits of technology

It achieves bidirectional synchronous gripping under a single drive source, ensuring equal clamping force, improving gripping stability and space utilization, avoiding tilting and falling off problems, and is suitable for automated loading and unloading conditions in automotive forging production lines.

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Abstract

This invention relates to the field of automotive parts processing automation technology, and discloses a multi-dimensional wing-shaped gripping device for automotive steering knuckles, including a mounting base, a first clamping plate, a second clamping plate, a pair of third clamping plates, and a push plate. A pair of first inclined working surfaces are symmetrically arranged about the X-axis on the push plate, coupling with the second inclined working surfaces on the third clamping plates. This converts X-axis linear motion into Y-axis clamping action, achieving synchronous gripping in both X and Y directions under a single drive source. The core of this device lies in the fact that the inclination angles of the first and second inclined working surfaces, the initial distance between the first and second clamping plates, and the initial distance between the two third clamping plates are geometrically locked through parameter matching, ensuring from the structural origin that the clamping forces applied to the workpiece in both directions are equal. This device has good structural rigidity, effectively avoiding tilting and detachment problems caused by uneven forces, and is suitable for the automated loading and unloading requirements of forging production lines.
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