An excavating mechanical arm hydraulic cylinder
By introducing a support cylinder head structure and spring buffer design into the hydraulic cylinder of the excavating robot arm, the problems of buffering and stability are solved, improving the stability and service life of the hydraulic cylinder, making it suitable for high-intensity operations.
CN224479111UActive Publication Date: 2026-07-10NANTONG YOUSHUN HYDRAULIC MASCH CO LTD
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Patent Information
- Application Number
- CN202521344381.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-30
- Publication Date
- 2026-07-10
- Estimated Expiration
- 2035-06-30
AI Technical Summary
Technical Problem
Existing hydraulic cylinders for excavating robotic arms have deficiencies in terms of cushioning and stability, leading to component wear, increased noise, and decreased motion accuracy.
Method used
The cylinder block, piston structure, cylinder head support structure, and sealing components adopt a hollow column structure. Through the cooperation of the support plate and spring of the cylinder head support structure, support force and buffering effect are provided to reduce piston rod sway and collision damage.
Benefits of technology
It improves the stability and service life of hydraulic cylinders, reduces collision damage to components, and meets the high-intensity operation requirements of construction machinery.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN224479111U_ABST
Abstract
This utility model discloses a hydraulic cylinder for an excavating robotic arm, including a cylinder body, a piston structure, a supporting cylinder head structure, and a sealing assembly. The cylinder body has a front oil port and a rear oil port. The piston structure includes a piston and a piston rod fixed to it. The supporting cylinder head structure, through an elastic support system composed of a cylinder head, spring, spring column, support plate, and spring retaining ring, provides additional support and fixation during piston rod extension and retraction, effectively improving the stability of the piston rod. Furthermore, the spring retaining ring divides the conventional rod chamber into a rod chamber and a spring chamber, providing additional buffering force through the spring action, reducing collision damage between components, and extending the service life of the device. This utility model improves piston rod stability through the supporting cylinder head structure, and the buffer pad, in conjunction with the spring action, reduces collision damage to components, extending the service life of the hydraulic cylinder, making it suitable for high-intensity operation scenarios of excavating robotic arms.
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