JTK Series Mine Hoist Technical Specifications

1. Overview

The JTK series single-rope drum hoist is designed for inclined tunnels and small vertical shafts in coal, metal, and non-metallic mines. Compliant with AQ1032-2007 safety standards and JB/T7889-2010 mechanical specifications, it features compact design and reliable operation for material/personnel transport.

2. Structural Components

Main Shaft Assembly

• Drum: Welded 16Mn steel (Ø0.8-2.5m × 0.6-2.8m width)

• Capacity: 1,595m rope length (JTK-1.6×1.5 model)

• Bearings: Double-row spherical roller bearings

Braking System

• Hydraulic disc brakes with dual-channel redundancy

• Real-time pad wear monitoring

• Two-stage emergency braking (response

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Gear System

• 6-grade precision planetary gear reducer

• Carburized & quenched gears

3. Technical Features

• Heavy-Duty: 15-396.5kN static tension, Ø24.5-65mm ropes

• Speed: 1.3-5.7m/s with 767m max lift height

• Adaptive: -5℃~40℃ operation, dual-drum configuration

• Smart Options: PLC control & remote monitoring

4. Applications & Limitations

• Suitable for:

• Inclined tunnel transport

• Small vertical shafts (≤500m depth)

• Non-explosive environments

• Restrictions:

• Prohibited in methane/coal dust areas

• Altitude ≤1,000m ASL standard

5. Maintenance Protocol

• 3-6 Month Checks:

• Lubrication system pressure

• Bearing condition monitoring

• Safety Critical:

• 1mm max brake shoe clearance

• Clutch lock verification after adjustments

6. Compliance Standards

• AQ1032-2007 (Safety Inspection Code)

• JB/T7889-2010 (Design Specifications)

• Q/HBSHM001-2016 (Enterprise Standard)

7. Summary

The JTK series combines modular design with robust safety features for medium-duty mining operations. Key selection parameters include shaft inclination (15-35°), rope diameter (24.5-65mm), and environmental conditions. Regular maintenance of braking systems ensures optimal performance.