A new type of long arm down-the-hole drill
By introducing a hydraulic accumulator and an automatic boom changer into the long-arm down-the-hole drill rig, the problems of low energy utilization and insufficient automation have been solved, resulting in reduced energy consumption and improved drilling efficiency, as well as enhanced stability and ease of operation of the equipment in complex terrain.
CN224379760UActive Publication Date: 2026-06-19XUZHOU SUMEI MINING EQUIMENT MFG CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- XUZHOU SUMEI MINING EQUIMENT MFG CO LTD
- Filing Date
- 2025-09-01
- Publication Date
- 2026-06-19
Smart Images
Figure CN224379760U_ABST
Abstract
The utility model discloses a novel long arm down -hole drill rig relates to long arm down -hole drill rig technical field, including chassis assembly, engine system, gas system, propeller, slewing gear, drill rod storehouse and energy recovery device, and the chassis assembly is telescopic caterpillar band chassis, and the caterpillar band outer width can be adjusted between 3250mm to 4400mm, and through the telescopic drive of hydraulic oil cylinder, the chassis assembly is installed with large diameter heavy load slewing bearing, and the slewing bearing is fixed on the chassis frame through bolt, through setting up energy recovery device in hydraulic main circuit, utilize the energy of energy accumulator storage propelling motor and promote the drill rod, release energy in the process of propelling, can reduce engine load, reduce fuel consumption 15% 20%, reduce hydraulic system temperature simultaneously, prolong the service life of hydraulic oil, double drill rod storehouse cooperation automatic rod changing mechanism, according to the automatic switching of borehole diameter, reduce manual intervention, shorten the auxiliary time, improve borehole efficiency more than 30%.
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