JW-4G Installation & Maintenance Machine of Catenary

The machine is mainly used for construction, daily maintenance, rescue and other operation of overhead catenary system of the railway. It can also be used as a traction car to carry out immediate repair operation of the CATENARY while being connected with other vehicles. The vehicle is a four-axle working car using hydrodynamic drive; its rated engine power is 353kW and the maximum traveling speed is 120km/h. The vehicle is mounted with a hydraulic lifting and slewing operation platform able to achieve lifting and 120° slewing to left and right through double acting cylinder. It can also provide the operation space for six or seven operators at the same time on the platform. The rear end is equipped with a crane used to hoist tools and equipment to the operation platform.The vehicle can be optionally equipped with wire tightening post, CATENARY detection unit and operation platform leveling unit according to user needs.

details

Main Technical Parameters of the Car

Track gauge: 1435mm

Wheel diameter: φ840mm

Axle arrangement: 2-B

Engine power: 353kW

Minimum negotiable curve radius: 100m

Kerb weight: about 47t

Maximum traveling speed: 120km/h

Drive mode: hydrodynamic drive (including coasting self-lubricating system)

Brake mode: air brake and hand brake

Overall dimensions (length x width x height): 15930mm x 3118mm x 4740mm

Clearance: in line with relevant requirements of the GB146.1 Locomotive &Rolling Stock Gauge for Standard Gauge Railways

Lifting and slewing operation platform

Platform overall dimension (length x width): 5500mm x 1750mm

Maximum working height (platform floor to rail top): 6800mm

Slewing radius of the working car platform: 4500mm

Maximum loading capacity of the platform slewing center 1000kg

Maximum loading capacity of the front end platform: 300kg

Slewing angle of the platfomr ± 120 °

Wire support unit (length x diameter): 1200mm x φ70mm

Wire positioning range: ± 600mm

Railing height of the platform: 1100mm folded railings