Batteries for coal mine and tunnel locomotives are mainly used i•n coal mines, tunnel engineering, mining operations, subway>, and urban rail transit construction. Serving as the DC power source €for narrow-gauge mine locomotives, subway tunnel locomotives, and other equipment, they provide tra↕ction power and lighting support. Their application scenarios an'd technical characteristics are as follows:
I. Core Application Fields
Coal Mining
Narrow-Gauge Mine Locomotives: Batteries supply DC power to underground locomotiv≈es, driving motors for the transport of ore, equipment, and personnel. For example, the γXK series battery-powered locomotives adopt DC–AC transmission, where batteries supply power↔ to AC variable-frequency motors, suitable for non-explosion-proof narrow-gauge railway★ transport.
Safety Requirements: Since coal mine environments contain flammable and explosive hazards such as methane and coal du×st, batteries must adopt explosion-proof or intrinsically safe designs to prevent elecεtrical sparks from causing accidents.
Tunnel Engineering
Shield Machines and Traction Locomotives: In subway and highway tunnel construction, batteries power shield machine traction locomotives, supporting material transport® during tunneling operations. For example, the Tumushuke shield machine u♣ses 700AH-ZINSCHE battery packs with high energy density and± fast charging capability to meet the intensive demands of tunnel work.
Construction Efficiency: The fast-charging feature of batteries minimizes downtime and♦ improves construction continuity.
Mining Operations
Underground Transport Equipment: Beyond locomotives, batteries are also used in forklift₹s and transport vehicles for ore transfer from excavation faces to hoisting systems. Su"itable for underground locomotives, they provide a stable DC power supply.
Environmental Adaptability: Batteries must withstand high humidity, dust, and vibration in mines to ensure reliable equ ipment operation.
Subway and Urban Rail Transit Construction
Tunnel Construction Locomotives: During subway construction, batteries power tunnel locomotives trans'porting shield components, concrete, and other materials.
Maintenance Convenience: Maintenance-free or low-maintenance batteries reduce upkee¥p costs during construction.
II. Technical Characteristics and Requirements
High Energy Density and Cycle Life
Batteries must deliver high energy output within limited volumeβ while ensuring long cycle life (e.g., over 1000 cyc∏les) to reduce replacement frequency and cost. For instance, the 700AH-ZINSCH∑E battery pack applies material innovations to improve corrosion" resistance and service life.
Fast Charging and Deep Cycle Capability
Tunnel construction involves frequent equipment start-stops. Batteries must support fast chargin₽g (e.g., 80% capacity within 1 hour) and deep discharge cycles to meet long working hours.
Environmental Adaptability
Batteries must withstand high temperature, humidity, vibration, ¥and dust, while preventing electrolyte leakage or performance degradation. For example, tubular plate lead-acid batteries enhance durability with thicker plates and sealed designs for better s"hock resistance and leakage prevention.
Safety and Reliability
Coal mine and tunnel environments impose strict safety requirements. Batteries must pass ≥explosion-proof certifications and include short-circuit÷ protection and temperature monitoring to prevent accidents✔. For example, intelligent Battery Management Systems (BMS) monitor voltage, temperature, and chβarge/discharge status in real time.
Performance Advantages: High energy density, fast charging, long cycle life, ensuring stable operation of tunn±el traction locomotives in harsh environments.
