Auxiliary drive mounting device for electric excavator and electric excavator

By integrating the air conditioning compressor and generator of the electric excavator into a single module through a modular auxiliary drive installation device, the problems of difficult installation and cumbersome belt adjustment in electric excavators are solved, achieving efficient and reliable power transmission and simplified assembly.

CN224545691UActive Publication Date: 2026-07-24SANY HEAVY MACHINERY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SANY HEAVY MACHINERY
Filing Date
2025-10-21
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

The installation of air conditioning compressors and generators in electric excavators is difficult, belt adjustment is cumbersome, traditional structures cannot be directly applied, and they have low integration, dispersed structure, large space occupation, and complicated assembly.

Method used

The modular auxiliary drive installation device includes a base, motor, adjustment mechanism and auxiliary drive components. The belt flatness adjustment and tension are achieved through the waist-shaped hole and fasteners. The compressor and generator are integrated into an independent module, eliminating the tensioning wheel structure.

Benefits of technology

The modular integration of the auxiliary drive system for electric excavators simplifies the assembly process, improves production efficiency and reliability, reduces manufacturing costs and maintenance difficulty, and ensures high efficiency in power transmission and belt lifespan.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application provides an auxiliary drive mounting device for an electric excavator and the electric excavator, which comprises a base, a motor and two adjusting mechanisms, the motor is fixed on the base, the two adjusting mechanisms respectively comprise an adjusting support and a mounting support, and a compressor and a generator are respectively installed, the adjusting support is movably connected with the base through a first connecting piece, the first connecting piece comprises a first waist-shaped hole and a first fastener, and the compressor and the generator can be centered with the driving pulley through adjustment, the mounting support is movably connected with the adjusting support through a second connecting piece, the second connecting piece comprises a second waist-shaped hole and a second fastener, and the tension of the transmission belt can be adjusted through adjustment. The application solves the problems of low integration, dependence on a tensioning wheel and complex assembly of a traditional scheme through modular design, and has the advantages of compact structure, simple adjustment and high reliability.
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