A dynamic-static combined loading partial section rock breaking tool head device
By designing a partial section rock-breaking cutter head device with combined dynamic and static loading, and combining a dynamic loading system with a static loading cutter head, the problems of low rock-breaking efficiency and safety risks of existing tunneling machines have been solved, achieving a more efficient rock-breaking effect.
CN116950679BActive Publication Date: 2026-07-24HOHAI UNIV CHANGZHOU
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- HOHAI UNIV CHANGZHOU
- Filing Date
- 2023-05-24
- Publication Date
- 2026-07-24
AI Technical Summary
Technical Problem
Existing tunneling machines have low rock-breaking efficiency, and blasting methods pose safety risks. Single static load rock-breaking efficiency is insufficient.
Method used
Design a partial section rock-breaking cutter head device with combined dynamic and static loading. Combining a dynamic loading system and a static loading roller, the device achieves combined dynamic and static loading through a hydraulic motor drive and a pneumatic impact system, thereby improving rock-breaking efficiency.
Benefits of technology
It improved the rock-breaking efficiency of the tunneling machine, reduced safety risks, and enhanced the rock-breaking effect.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN116950679B_ABST
Abstract
The application discloses a kind of partial section rock breaking cutter head devices of dynamic and static combination loading, including vehicle body, cantilever and cutting mechanism, wherein cutting mechanism includes driving device, cutter disc support device and loading system unit box device, loading system unit box device is installed in the radial outer edge of cutter disc support device, and driving device is installed inside cutter disc support device.Driving device includes driving shaft and radial hydraulic motor, and cutter disc support device includes cutter disc end cover, bolt, cutter disc shell, cutter disc support stator, dynamic loading hob and static loading hob.Dynamic loading system unit box device includes box, tool holder, hammer, piston, pneumatic impact rod, disc, electromagnetic clutch, key, input shaft, large gear, output shaft b pneumatic impact cylinder, small gear, output shaft a, bolt, tool holder end cover and the like parts.By using dynamic and static combination loading rock breaking theory, the design and loading mode of cantilever type tunneling machine cutter head are changed, dynamic and static combination loading rock breaking is realized, which will strengthen rock breaking effect and improve rock breaking efficiency.
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Citation Information
Patent Citations
CN108457664A
CN114934782A