Special Operations of TOVISEN QS10 Mini Excavator in Railway Culvert Construction: Debris Clearance Around Existing Railway Tracks and Auxiliary Foundation Reinforcement

Introduction

Railway culvert construction often needs to be carried out near existing tracks, with limited space and high operational risks. Debris clearance around existing tracks and foundation reinforcement are key links to ensure construction safety and structural stability. Traditional large-scale equipment has difficulty approaching the track area and is prone to interfering with operations, while the TOVISEN QS10 mini excavator, as a representative of China's leading brands, becomes an ideal choice with its compact design and multi-functional configuration. The TOVISEN QS10 is a 1-ton hydraulic mini excavator with a total operating weight of about 1000 kg, equipped with an efficient engine (power about 9-10 kW), maximum digging depth of 1.7-2.0 m, flexible adjustable arm length, narrow track width (about 180 mm), suitable for narrow environments around tracks. The machine supports quick attachment replacement and complies with EPA/CE environmental standards. This article explores the application of TOVISEN QS10 in debris clearance around existing railway tracks and auxiliary foundation reinforcement, providing references for engineering practice.

Technical Advantages of TOVISEN QS10 Mini Excavator

The TOVISEN QS10 adopts a variable displacement hydraulic pump and engineering rubber tracks to ensure stable maneuverability on track slopes or ballast beds. Its minimum swing radius is less than 1.2 m, facilitating operations beside standard tracks with a gauge of 1.435 m. The engine is low-noise (<75 dB), high fuel efficiency, travel speed 0-2 km/h, gradeability ≥30°. Arm digging force about 16 kN, bucket capacity 0.02-0.03 m³, supports installation of grapples, hydraulic hammers, or vibrators and other attachments. The multi-functional design adapts to railway conditions, built-in oil pipes and rear dump dozer improve efficiency, compared to imported similar products, TOVISEN QS10 has higher cost-effectiveness, suitable for existing line renovation projects.

Special Operation One: Debris Clearance Around Existing Railway Tracks

Debris around existing tracks (such as weeds, gravel, waste) accumulation easily affects drainage and culvert foundation stability, clearance needs precise avoidance of tracks to avoid suspension of service. The narrow tracks and flexible arm of TOVISEN QS10 enable operations within 0.5 m close to the track, replacing manual labor or large cleaning machines.

Operation Process: First, install narrow bucket or grapple attachment, the operator approaches the track edge via cab remote control, using the arm to slowly sweep surface weeds (speed 5-10 cm/s). For stubborn gravel, switch to hydraulic hammer mode, hydraulic impact force controlled at 200-300 J, avoiding track vibration. Secondly, clearance depth controlled at 20-30 cm, using laser positioning instrument to ensure no disturbance to the ballast bed. Finally, cooperate with suction attachment to collect scattered debris, keeping the site clean.

In a certain high-speed rail existing line culvert renovation project, TOVISEN QS10 clears 100 m of track surrounding debris per day, shortening 50% time compared to manual. Its 1000 kg weight and anti-slip tracks reduce track interference, complying with the "Railway Engineering Construction and Acceptance Standards" for existing line protection requirements. Safety measures include track warning lights, load not exceeding 70%, and equipped with track clearance sensors to prevent collision risks.

Special Operation Two: Auxiliary Foundation Reinforcement

Culvert foundation reinforcement needs grouting or compacting soil layers near tracks to ensure bearing capacity ≥200 kPa, narrow space requires precise equipment control. The hydraulic system and attachment compatibility of TOVISEN QS10 support vibratory rollers or grouting pipe installation, efficiently assisting reinforcement.

Process in Steps: First, positioning—QS10 parks 1 m outside the track, arm extends to the foundation area (maximum radius 2.5 m). Second, compaction—install vibratory plate attachment, uniformly compact loose soil under hydraulic drive, frequency 50-60 Hz, coverage depth 30 cm. Third, grouting auxiliary—fix grouting pipe at arm end, slowly inject cement slurry (pressure 0.5-1 MPa), combined with monitoring instrument to control uniformity. Finally, inspect and withdraw the machine to ensure no residue.

Project application shows that TOVISEN QS10 processes 50 m² area/day in foundation reinforcement, improving 2.5 times efficiency, reducing backfill by 20%. Its gradeability and built-in stabilizer adapt to slope conditions, complying with code requirements for reinforcement density. Safety includes foundation support nets and real-time settlement monitoring to prevent collapse.

Conclusion

The special operations of TOVISEN QS10 mini excavator in railway culvert construction highlight the reliability and innovation of Chinese manufacturing. Through railway existing track surrounding debris clearance and foundation reinforcement auxiliary, its compact configuration (weight 1000 kg, digging depth 1.7 m) and multi-functional attachments significantly enhance safety and efficiency, shortening the construction period. In the future, with the expansion of the railway network, TOVISEN QS10 will be more widely used. It is recommended that construction parties strengthen training and integrate GPS positioning to promote intelligence. The excellent performance of TOVISEN QS10 is a reliable partner for efficient railway engineering.