TGM-u hydraulic motor pushers

Pushers are intended to control rail switches in gaseous and dusty coal mines requiring the use of underground explosion-proof electrical equipment. They may be also used in other branches.

TGM pushers may be used in gas and coal dust outburst hazardous mines, under a shelter on the surface in the following conditions

  • ambient temperature varying within minus 40 to plus 45 °С;
  • environmental air relative humidity up to 100 % at a temperature of 35 °С;
  • atmospheric pressure varying within 84 to 106 kPa (630 to 800 mm Hg);
  • dust content up to 1,600 mg/m;
  • vibration at installation locations with a frequency of 5 to 120 Hz:
  • with the maximum vibration displacement of 0.25 mm at a frequency up to 45 Hz and maximum vibratory acceleration of 20 m/sec2 at a frequency of 45 to 120 Hz.
Name of the parameter and size TGM-1U TGM-2U TGM-3U TGM-4U TGM-5U TGM-6U
Push force on stem, Н, no less than 3000 (300) 3000 (300) 6000 (600) 6000 (600) 12000 (1200) 12000 (1200)
Stem stroke, mm 250 350 250 350 250 350
Time of forward stroke, с 1,5 2,2 1,5 2,2 3,0 3,5
Time of reverse strokeа, с 0,05 0,8 0,65 0,8 1,0 1,4
Mode of operation Continuous, repeated – short-term. Turn-on duration – 60 %. Cycle duration – at least 7 minutes
Maximum allowable turn-on frequency per minute 7 4 7 4 3 2
Indicated power capacity, W 1500
Circuit voltage, V 360/660
Current frequency, hz 50
Volume of hydraulic fluid, л 12 15 12 15 12 15
Overall dimensions, mm:
length 1120 1120 1120 1120 1100 1120
width 350 350 350 350 350 350
height 300 300 300 300 300 300
Dry weight, kg, no more than 86 90 90 95 110 120
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TGM-u hydraulic motor pushers