Quick Details

  • Place of Origin: Liaoning, China (Mainland)
  • Brand Name: TieGong
  • Model Number: NRD-4
  • Condition: New
  • After-sales Service Provided: Overseas third-party support available
  • Type: Hydraulic tamping machine
  • the gasoline engine type: GX390
  • power: 9.5KW
  • speed: 3600 r/min
  • amplitude: 1.2 mm
  • main quality: 120kg

Packaging & Delivery

Packaging Details: plywood case(export standard)

NRD - 4 double power gasoline rail tamping machine :

Applicable scope :

NRD - 4 type internal combustion soft shaft tamping machine, is applicable to any rail rail type railway line maintenance ballast tamping operation. Its characteristic is the light weight, easy to operate. Tamping are of good quality and low failure rate and easy maintenance, road speed, applicability, not only to tamping line, still can tamping switch, price performance ratio is high, very suitable for railway ballast tamping operation needs.


main technical parameters :

1, the gasoline engine type: GX390 or GX160

2, power: 9.5KW or 4.0 KW x 2

3, speed: 3600 r/min

4, vibration frequency: 3000 times/min

 5, amplitude: 1.2 mm

6, main quality: 120kg


The basic structure and working principle Working principle:


NRD - 4 type internal combustion soft shaft tamping machine is Honda internal combustion engine is the power, through the triangle belt were driving tamping picks spindle, make the power transfer to vibration body, can realize tamping operation.


 Basic structure is as follows:

1 internal combustion engine,

2 pulley cover,

3 pulley,

4 tamping spindle,

5 vibration body

6, chassis,

7 tensioning device

The pictures for GX160 gasoline engine drive Use and maintenance

1, read Honda internal combustion engine specification.

 2, Honda internal combustion engine according to the specification and an appropriate amount of oil and gas.

3, in before starting the engine, check vibration body spindle and vibration body is linked, such as vibration body and subject to separate, vibration body head stuck in vibration spindle, dial up positioning pin, alignment spindle plugged into, put down the positioning pin, rotating vibration in vitro set, positioning pin insertion vibration in vitro can be set. Then from the chassis vibration body take down, in a safe location, according to the gasoline engine specification method starting the engine.

4, will increase the throttle, check whether there is a vibration body vibration, in normal circumstances began to tamping.

 5, in the stop before, first reduce throttle, then turn off the switch, the vibration body on the chassis on their phone.

6, check if there's any loose parts, if there is a screw fastening.

7, in storage, pay attention to the fuel valve closes to prevent gas leakage and dangerous.

 8, in the transport process, must let off gas and oil, in order to avoid danger.

9, in the store to attention in well protected against dampness, moisture.


Maintenance and repair :

1, maintenance Daily class after work, specific content as follows:

1) wipe dust, oil pollution.

2) tighten all fasteners.

3) according to the gasoline engine specification on the engine for maintenance.

2, maintenance In the use of 300 hours after tamping machine need to conduct a comprehensive inspection.

 Specific content is:

1) apart vibration body spindle, check the bearing are in good condition;

 2) open the belt cover, check belt are in good condition.

3) check belt tension degree is normal or not.

 3, soft shaft vibration body life In the correct method of use, soft shaft vibration body stamping line length is less than 5 km.

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