Ramp type steel ball gravity energy storage device and energy storage method
By using small steel balls and electromagnets and hydraulic cylinders controlled by programmable controllers, the problems of poor fluidity and high friction loss of energy storage medium in slope gravity energy storage technology have been solved, realizing a high-efficiency and automated gravity energy storage system suitable for energy storage needs of various terrains and scales.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- NORTH CHINA INST OF AEROSPACE ENG
- Filing Date
- 2026-05-27
- Publication Date
- 2026-07-17
AI Technical Summary
Existing slope-type gravity energy storage technology suffers from poor fluidity of the energy storage medium, high frictional losses, and low automation, resulting in low system efficiency and high equipment complexity, making it difficult to achieve large-scale application.
Using small steel balls as the energy storage medium, combined with electromagnets and hydraulic cylinders controlled by a programmable controller, the automated and orderly transfer of steel balls is realized. Through alternating electromagnetic attraction and dynamic alignment of the hydraulic lifting and receiving tank, friction loss and stacking difficulty are reduced, thus constructing an automated energy storage system.
It improves the fluidity of energy storage media and system efficiency, reduces energy loss and operation and maintenance costs, adapts to various terrains, and meets energy storage needs of different scales, realizing efficient and automated gravity energy storage.
Smart Images

Figure CN122407495A_ABST