GFT80T3B185 Travel Gearbox for Jiamusi 200 Roadheader

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

3 year

Product details

1. Core Component Analysis

GFT80T3B185 Travel Gearbox

• Model Interpretation(to be confirmed by manufacturer; example below):

• GFT: May denote "Gearbox for Tracked Vehicle" or manufacturer-specific code.

• 80: Rated input power (kW) or torque class (e.g., 80 kNm).

• T3: Design version or gear ratio tier (e.g., three-stage planetary reduction).

• B185: Output shaft type or mounting interface size (e.g., Type B flange, Ø185 mm).

• Key Functions:

• Converts rotational power from hydraulic motors/electric motors into low-speed, high-torque output for tracked vehicle propulsion.

• Integrates brake, lubrication system, and sealing structure for harsh environments (e.g., mud, dust).

• Technical Specifications(replace with actual data):

• Input Speed: 0–2,500 rpm

• Output Torque: 180–220 kNm

• Reduction Ratio: 45:1

• Protection Grade: IP67 (dust-tight and waterproof)

Jiamusi 200 Roadheader

• Equipment Type: Boom-type roadheader for coal mine/tunnel excavation.

• Model "200": May indicate cutting power (200 kW), cutting head diameter (2,000 mm), or total weight (200 tons).

• Core Systems:

• Cutting Unit: Rotary cutting head with pick tools for rock fragmentation.

• Loading Unit: Scraper conveyor for muck collection.

• Travel Unit: Tracked chassis driven by the GFT80T3B185 gearbox.

• Typical Operating Conditions:

• Rock hardness: f≤8 (coal/soft rock).

• Tunnel cross-section: 4–25 m², gradient: ±18°.

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2. Compatibility Justification

Why Choose GFT80T3B185?

• Torque Adaptation: Output torque meets traction requirements for climbing/steering under heavy load.

• Reliability: Planetary reduction gearing + forced lubrication ensure continuous operation in long-duration tunneling.

• Mounting Compatibility: Interface dimensions (e.g., B185 flange) match roadheader chassis design, minimizing retrofit costs.

System Synergy Principle

1. Power Source: Hydraulic pump station supplies high-pressure oil to drive travel motors.

2. Transmission Path: Motor → GFT80T3B185 gearbox (speed reduction/torque multiplication) → Track drive sprocket.

3. Control Logic: Proportional valves adjust motor displacement for stepless speed regulation.

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3. Application Scenarios

Coal Mine Roadway Excavation

• Operating Parameters:

• Rock hardness: f=6 (medium-hard coal/rock).

• Advancing speed: 0–8 m/min.

• Gradient: 12° uphill.

• GFT80T3B185 Performance:

• Sustained output torque ≥200 kNm prevents track slippage.

• Sealing structure reduces dust intrusion, lowering failure rates by 30%.

Tunnel Expansion Project

• Challenges: Humid environment + confined space.

• Solutions:

• IP67 protection grade prevents water ingress.

• Compact design fits narrow tunnels (width <5 m).

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4. Technical Documentation Expansion (English Template)

Parameter Table

【表格】

Item GFT80T3B185 Jiamusi 200 Roadheader

Rated Input Power 80 kW 200 kW (cutting)

Output Speed Range 0–55 rpm 0–30 m/min (travel)

Cooling Method Air/liquid cooling Water-cooled cutting motor

Weight ~1.2 tons ~85 tons

Maintenance Guidelines

• Gearbox: Replace lubricant every 500 hours; inspect oil seal leakage.

• Roadheader: Clean cutting head pick holders daily; monitor track tension.

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

Audited supplier

3 year

Main Product: hydraulic motor, gear box, hydraulic pump , hydraulic valve , hydraulic winch, hydraulic system

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