关键词: axial boom roadheader,non-coal mine,intelligent,assisted rock-breaking,machine-rock matchin

Abstract: The intensity of non-coal mining resource development is progressively increasing,with diminishing shallowlevel
resources driving the focus of extraction towards deeper strata. This shift imposes increasingly stringent demands on the efficiency,
safety,and intelligent capabilities of mining equipment. As one of the core pieces of equipment for roadway excavation,
the technical performance of boom-type roadheaders directly impacts mining efficiency and production safety in non-coal
mines. Consequently,their application and development remain a focal point of industry research. This paper focuses on the application
of boom-type roadheaders in non-coal mining excavation projects,systematically summarising their developmental history,
key technologies,and current application status. It analyses the core theories and technologies of boom-type roadheaders,
including rock-cutting tool types,peak cutting force theoretical models,and equipment structural design. The research indi
cates:① Boom-type roadheaders have undergone multiple stages of technological iteration. abroad,from structurally imperfect
models in the late 1930s to intelligent equipment capable of cutting ultra-hard rock layers with compressive strengths of 170
MPa to 200 MPa;domestically,from technology introduction in the 1960s to achieving independent research and development,
now forming a full product series encompassing light,medium,heavy,and super-heavy types,laying a solid technical foundation
for mechanised mining in non-coal mines. ② The rock-cutting tools of boom-type roadheaders primarily utilise pick-type cutting
bits. Their rock-breaking mechanism comprises stages of elastic deformation,crack initiation,macro-crack formation,and rock
fragmentation. Peak cutting force models provide theoretical support for equipment design. ③ Boom-type roadheaders have been
successfully deployed in non-coal mines including gold,lead-zinc,potash,mirabilite,and phosphate deposits,demonstrating advantages
such as high tunnel formation precision and enhanced safety. However,challenges persist including insufficient adaptability
to varying rock properties,limited equipment intelligence,and mismatched mining techniques. Building upon this,the
challenges currently faced by cantilever roadheaders in non-coal mining applications are analyzed,with prospects outlined for
the development direction in this field during the 15th Five-Year Plan period and beyond. It is argued that current challenges in
this field stem from the unique geological and operational conditions of non-coal mines constraining equipment performance.
Complex rock mechanics,diverse ore body formations,equipment limitations,low intelligence levels,and inadequate mining
techniques represent pressing issues requiring resolution in the application of cantilevered roadheaders in non-coal mines. Future
development should concentrate on cutting tool innovation,integrated auxiliary rock breaking,optimised cutting tooth structures,
machine-rock matching and intelligentisation,and optimised mining and excavation techniques. Based on the above,a future
development concept for a fully intelligent,transparent working model encompassing “monitoring-sensing-adjustment-rock
breaking” was proposed. Real-time monitoring of the geological environment,equipment status,and working conditions at the
mining and excavation face is achieved through LiDAR,mine pressure monitoring systems,and multi-sensor arrays. Dynamic identification
of rock mass characteristics and equipment failure risks through in-situ sensing technologies during mining/ excavation.
Implementation of combined auxiliary rock-breaking techniques such as high-pressure water jets and microwaves,coupled
with dynamic adjustment of cutting parameters,to mitigate rock strength and reduce tool wear,ultimately achieving efficient
rock breaking and safe operations. By integrating IoT,artificial intelligence,and digital twin technologies,support adaptive
cutting and remote unmanned operation of roadheaders,promoting the development of non-coal hard rock mining equipment towards
mechanisation,intelligence,unmanned operation,and informatisation.

Key words: 悬臂式掘进机, 　非煤矿山, 　智能化, 　辅助破岩, 　机岩匹配