Robotic Boom Shotcrete Machine

The Saner SRSP30B/A8 Robotic Boom Shotcrete Machine is a high-performance truck-mounted concrete spraying system designed for tunnel construction, underground mining, hydropower projects, and slope stabilization.

Three-Pump Open Hydraulic System: Features a stable three-pump and three-circuit open loop configuration driven by a high-performance Kawasaki 112ml/r main hydraulic pump, ensuring volumetric efficiency and long-term operating stability.

S-Pipe Distribution Valve: Optimized for high-pressure delivery, the S-pipe valve reduces flow resistance and handles large-aggregate concrete up to 16mm seamlessly.

Precise Accelerator Dosing System: Employs a dedicated dual-displacement accelerator pump (270×2 L/h × MPa) for accurate, real-time chemical dosing adjustments.

Heavy-Duty Power Options: Available in flexible configurations driven by either a reliable electrical motor system (380V) or a robust 75kW diesel motor version.

Material Feeding & Pumping: Ready-mixed concrete is loaded into the 600–700 L mixing hopper at a feeding height of ≤1500 mm. The piston pumping system draws and pushes the slurry through the delivery pipelines.

Boom Positioning: The operator uses the wireless remote control to maneuver the three-section hydraulic boom, positioning the spray nozzle precisely toward the target surface.

Dual-Fluid Atomization & Acceleration: As the concrete reaches the nozzle tip, compressed air and liquid accelerator are introduced simultaneously, ensuring rapid setting and immediate surface bonding.

Layer Build-Up: Controlled robotic sweeping patterns ensure uniform thickness across walls and arches, achieving maximum vertical (16 m) and horizontal (20 m) reach.

Product work video:

Chassis Platform: Heavy-duty truck foundation delivering high road mobility and quick shift capability between construction sites.

Hydraulic Robotic Arm: Three-section articulation system built with high-strength structural steel to absorb operational torsion.

Pumping Unit: Twin-cylinder hydraulic piston arrangement paired with robust wear plates and cutting rings.

Control Station: Industrial-grade wireless transmitter unit backed by an auxiliary emergency manual control box on the vehicle body.

Hydraulic System Testing: Comprehensive pressure verification, leak checks, and circuit flow validation.

Boom Structural Integrity Testing: Full-stroke extension, joint rotation, and positional accuracy trials.

Pumping Performance Simulation: Simulated wet concrete delivery tests to guarantee continuous, blockage-free output.

Standardized Management: Fully compliant with ISO9001 Quality Management System criteria across design, fabrication, and final inspection phases.

CE Certification: Fully compliant with the EU Machinery Directive 2006/42/EC, facilitating smooth import and deployment across international markets.

ISO9001 Quality Accreditation: Certified quality assurance framework covering production lines and customer service standards.

National IV Emission Standards: Clean-burning heavy-duty diesel chassis configuration meeting strict environmental regulations.

Q: How does the dual-fluid nozzle reduce material rebound during spraying?

A: It injects liquid accelerator and compressed air directly at the nozzle tip just as the slurry exits, ensuring instant chemical reaction and high initial tackiness.

Q: What is the typical lead time for ordering custom chassis configurations?

A: Standard international delivery schedules range between 30 to 45 days depending on the selected Dongfeng, Foton, or Dayun platform.

Q: Are local technicians required for routine maintenance, or is remote support sufficient?

A: Most routine preventive maintenance can be performed by standard mechanics following our digital manuals, backed by 24/7 video guidance from Saner engineers.

Q: Does the unit include an on-board water tank for cleaning after operation?

A: Yes, it features an integrated high-capacity water washing system to clean the hopper, S-pipe, and pipelines immediately after project completion.

Q: What level of operator certification is required to run the wireless remote system?

A: Operators only require basic equipment familiarization and can achieve full competency after completing Saner's standard virtual or on-site operational training module.

Q: How are replacement wear plates and cutting rings managed globally?

A: High-wear components are stocked in regional distribution hubs for express courier dispatch to minimize operational delays.

Q: What is the expected lifespan of the primary Kawasaki hydraulic pump under continuous high-pressure usage?

A: With regular oil filtration and adherence to scheduled maintenance intervals, the main pump is engineered to deliver years of heavy-duty commercial service.

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