BC690
YZH
Product Description
At the front end of any crushing or handling circuit, a few oversize boulders can stop thousands of tons of rock, coal or ore if they lodge in the crusher inlet, on the grizzly or in an ore pass. The YZH stationary rock breaker system is mounted right at those bottlenecks: its pedestal boom and breaker reach into the problem zone to break, rake and clear material so that smaller pieces can pass through and the equipment behind can keep working.
Instead of improvising with explosives or mobile machines every time a blockage happens, the operation treats oversize control as a routine process step carried out by a dedicated, permanently installed rockbreaking station.
Oversize and bridging at crushers, grizzlies and ore passes
Jaw and gyratory crushers, grizzly screens and ore passes often see rock that is too large or too awkwardly shaped to pass, leading to bridging and complete stoppage.
The stationary rock breaker system attacks these blocks directly with a hydraulic hammer, breaking them into smaller pieces and raking them into the crusher or through the grid to restore flow.
Dependence on explosives and manual breaking
Secondary blasting around crushers or in ore passes is slow, creates fumes and flyrock, and increases risk for workers; manual barring has similar dangers.
A pedestal‑mounted breaker system offers “explosive‑free” secondary breaking: oversize is reduced mechanically without shutting down the area for blasting or exposing crews to unstable piles.
Safety exposure and inconsistent production
Using handheld tools or excavators at the edge of hoppers and ore passes increases the risk of rockfall, slips and equipment damage, while producing highly variable downtime.
With remote or cabin-based controls, the stationary rock breaker keeps operators out of the hazard zone and converts unpredictable choke events into short, controlled interventions that fit within normal shift planning.
According to YZH’s and industry descriptions, a stationary rock breaker system normally consists of four core components:
Pedestal boom
A robust boom is mounted on a pedestal base fixed to a concrete foundation or steel structure, providing stable reach over the crusher mouth, grizzly or ore pass opening.
Boom designs for grizzly and crusher applications use wide cross sections, extra‑large pins and reinforced high‑tensile steel plates so they can handle heavy in‑line and side raking loads in harsh conditions.
Hydraulic breaker (rock hammer)
A hydraulic breaker sized to the application (coal lumps, limestone, iron ore, hard rock) delivers repeated blows to fracture oversize and stubborn hang‑ups.
The breaker is matched to the boom and structure so that full coverage of the breaking zone is achieved without overstressing the support system.
Hydraulic pressure station (power unit)
An electric motor-driven hydraulic power unit supplies controlled oil flow and pressure to the boom and breaker, with filtration and cooling to support continuous‑duty operations in mines, quarries, coal handling and cement plants.
Monitoring of pressure, temperature and system status helps maintenance teams plan service before performance drops.
Control system
A control system—ranging from manual valve banks to PLC-based panels with joysticks and optional wireless remotes—lets operators move the boom and operate the breaker from a safe vantage point.
For advanced installations, programmable controls and plant integration options allow coordination with crusher start/stop logic, interlocks and alarms.
Together, these components form a single station capable of breaking and raking oversize faster and more safely than manual or mobile equipment methods.
Stationary rock breaker systems like YZH’s are commonly used in:
Mining and quarry primary stations
Mounted at jaw and gyratory crushers to break oversize rock in the throat, rake rocks into the crusher and assist with clearing jams.
Grizzly screens and ore passes
Installed over or beside grizzlies and ore pass inlets to break boulders that cannot pass bar spacing and to manage material on top of grates.
Coal handling, cement and metallurgical plants
Used to break lumps of coal, limestone, iron ore and slag in thermal power stations, cement works and metals plants where oversize must be reduced before further handling.
In each case, the system is configured so its working envelope provides full coverage of the area where material will require breaking, raking or clearing.
Although described as a “Stationary Rock Breaker System,” YZH treats each installation as a custom engineering project:
Engineers analyze crusher or grizzly geometry, ore pass or bin layout, material characteristics and required capacity to define the boom reach, breaker size and pedestal location.
The boom is sized to provide full coverage of the breaking zone while keeping most operations within the vertical breaker coverage area, minimizing stress on the boom.
Hydraulic, electrical and structural interfaces are detailed so the system can be integrated cleanly into new or existing plants with minimal disruption.
Optional enhancements such as intelligent controls, camera systems or extended remote operation can be added where higher levels of automation and remote working are required.
Developed specifically to address production and safety concerns associated with handling oversize and material flow at crushers, grizzlies and ore passes.
Supplied as complete electric hydraulic rockbreaker boom systems that enhance safety, productivity and profitability of crushing operations in mines, quarries and processing plants worldwide.
Backed by a specialist manufacturer of pedestal boom and rockbreaker systems, simplifying design, procurement, service and future upgrades across multiple stations on the same site.
If oversize rock, coal lumps or ore hang‑ups are still dictating when your crusher or grizzly runs, a stationary rock breaker system can convert that bottleneck into a controlled, mechanized station.
Share your crusher, grizzly or ore pass layout, material type, typical oversize profile and target throughput, and YZH will configure a stationary rock breaker system that fits your site and supports safe, continuous operation.
