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Stationary Hydraulic Rockbreaker | Fixed Impact Solution for Oversize Control at Crushers & Grizzlies

The YZH stationary hydraulic rockbreaker is a purpose-built, fixed impact system that attacks oversized boulders where they jam the crusher or grizzly, restoring material flow without exposing personnel to high-risk areas.

By integrating a robust hydraulic hammer, a boom matched to the feed opening, and an electric-hydraulic power and control package, it turns unplanned choke events into short, controlled interventions that fit within normal operating routines.
  • BC630

  • YZH

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Product Description

What this stationary rockbreaker actually does at your site

Oversize rock, hard inclusions, and frozen ore tend to accumulate at the same points in any plant: the crusher mouth, grizzly bars, or chute inlets. The stationary hydraulic rockbreaker is installed so its hammer can reach these exact points, allowing operators to break or dislodge blocking pieces without stopping the whole plant for long or moving mobile equipment into tight spaces.

Rather than being treated as an accessory, the rockbreaker becomes part of the crushing station design: a fixed “impact tool” that is always ready whenever the feed conditions exceed what the crusher can handle alone.

Operational pain points it is designed to relieve

  • Choking and bridging that kill capacity

    • Even with good blasting, some rock will bridge across the feed opening or sit stubbornly in the throat, forcing shutdowns or risky attempts to “force” the crusher.

    • The stationary rockbreaker lets you quickly reduce these oversize pieces to passable fragments, so the crusher can go back to continuous operation instead of cycling between choke and idle.

  • Dangerous manual rockbreaking practices

    • Without a fixed rockbreaker, many plants rely on bars, hand tools, or excavators leaning over hoppers, which creates major safety and compliance concerns.

    • A pedestal-mounted hydraulic hammer, run from a safe control station, removes people from the immediate hazard zone and makes rockbreaking a controlled, repeatable task.

  • Hidden cost from uneven feed and equipment abuse

    • Recurrent blockages lead to irregular feed, more fines, and higher stress on mechanical components, driving up energy consumption and wear.

      • Breaking only what is necessary at the right location helps maintain a more stable feed profile, reducing shock loads and extending the life of liners, chutes, and structures.

System makeup – more than just a hammer

Although the name emphasizes the rockbreaker, the stationary hydraulic rockbreaker is a complete system where each component is sized and matched:

  • Pedestal and mounting arrangement

    • A static pedestal or support frame fixed to concrete or steelwork positions the rockbreaker at the correct elevation and offset relative to the crusher or grizzly.

    • The design considers working angles, reaction forces, and maintenance access so that the hammer can work effectively without overstressing the structure.

  • Hydraulic hammer (rockbreaker)

    • A heavy-duty breaker with impact energy and blow rate selected according to the site’s rock hardness, typical block size, and expected duty cycle.

    • Built to withstand continuous firing cycles on hard rock, this hammer is the primary tool for reduction of oversize that cannot pass the feed opening.

  • Boom or positioning linkage

    • The rockbreaker is carried by a boom or manipulator arm system with enough reach and articulation to sweep across all identified hang-up points.

    • Wide boom cross-sections, large pins, and high-strength materials help resist bending and torsional loads during demanding rockbreaking tasks.

  • Electric-hydraulic power unit

    • A dedicated power pack with motor, pump, reservoir, cooling, and filtration provides stable oil flow and pressure for both boom and breaker.

    • Properly sized radiators and filters maintain oil condition under continuous heavy impact cycles, supporting long life and predictable performance.

  • Control and safety layer

    • Operators use a local console or radio remote to position the rockbreaker and apply blows, with proportional controls for fine movement near critical components.

    • The system can be interlocked with crusher start/stop logic, guarding, and emergency circuits to fit the site’s safety philosophy and regulatory requirements.

Specific reach, hammer size, and slew options for the Stationary Hydraulic Rockbreaker page can be mapped to one of YZH’s stationary systems listed under its Rockbreaker System series, ensuring coverage for standard jaw and gyratory layouts.

Where stationary hydraulic rockbreakers are most effective

This type of system is particularly valuable wherever oversize is predictable but difficult to avoid entirely:

  • Primary jaw or gyratory crushers processing run-of-mine ore in hard-rock mines.

  • Grizzly feeders at quarry faces or central plants where long or flat pieces of rock frequently span the bar spacing.

  • Chute entries, ore passes, or bin inlets where occasional large lumps or tramp material can stop flow and are difficult to reach with mobile machines.

In each of these scenarios, the stationary rockbreaker provides a fixed, always-available breaking point that fits within the normal operating pattern of the plant.

Engineering and integration philosophy

The stationary hydraulic rockbreaker is not sold as a generic hammer on a stand; it is engineered into the plant:

  • YZH or its partners assess the crusher geometry, feed path, available mounting area, and access conditions before confirming model and hammer size.

  • The recommended system defines reach, approach angles, and working arcs so that operators can address blockages without repositioning or adding temporary structures.

  • Interfaces for power supply, control cabling, and structural anchoring are planned so installation can be completed with minimal disruption to production.

For sites targeting higher automation, the same rockbreaker station can later be integrated with camera systems and remote or teleoperation solutions, building toward semi-autonomous oversize management.

Why operations adopt a stationary hydraulic rockbreaker

  • It directly targets the main cause of unscheduled stoppages in many crushing circuits: oversize at the primary intake.

  • Electric-hydraulic operation and pedestal mounting provide a long-life, low-operating-cost alternative to using mobile machines for heavy impact work.

  • As part of a broader pedestal boom and rockbreaker product line, YZH can match this stationary hydraulic rockbreaker to different crusher sizes, grizzly widths, and production rates across an entire site.

Call to action

If oversize rock and risky manual clearing are still controlling your crusher schedule, a stationary hydraulic rockbreaker can turn that high-risk point into a controlled, engineered station.

Share your crusher or grizzly drawings, feed opening, typical rock size, and target tonnage, and YZH will recommend a stationary hydraulic rockbreaker configuration that matches your layout and performance goals.


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 Jinan YZH Machinery Equipment Co., Ltd
ABOUT COMPANY
Since 2002, YZH has specialized in providing custom pedestal rockbreaker boom systems for mines and quarries worldwide. We combine 20+ years of engineering expertise with rigorous CE-certified quality to boost your productivity and safety through superior design. We don't just sell equipment,we deliver a partnership built on problem-solving.​​​​​​​
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