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MPP Poddirochno-loader

MPP Poddirochno-loader

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The machine is intended for mechanization of process of a poddirka and loading of mountain weight with a hardness of breeds of f=3-5 of unit and abrasivity to 15 mg in horizontal and inclined (±12 °) developments of the mines dangerous on gas and dust.

The machine represents the dummy caterpillar car with reztsovy, in the form of two sharoshka with a horizontal axis of rotation, executive body, the circular scraper conveyor with rotary and lifting sections, with gidro-and the electrical system, system of dust suppression and control means.
The machine carries out breaking ground, loading and, if necessary, transportation under the own steam of mountain weight to mine trasport facilities.
When developing the specification conditions of application of a poddirochno-loader on types of developments, depth of a poddirka and fortress of the destroyed breeds, and also notes on operation of pochvopoddirochny machines like "Hauskherr" have been analyzed.
As a result in a machine design the following main decisions have been put:

  • Availability of reztsovy executive body with cross crowns, capable is steady to destroy breeds by fortress to piece f=6.
  • Possibility of a turn of executive body of rather longitudinal axle on 180 ° for ensuring effective brushing and loading of breed, and also for performance of other production operations (water waste grooves, hitches under krep).
  • Use of the rotary conveyor with a possibility of back and side unloading in different types of trasport facilities.
  • Equipment of the scraper circular reverse conveyor the hydraulic drive that allows to lower dynamic loads and to avoid an emergency in case of jamming of scrapers.
  • Distance between internal boards of the circular conveyor and availability of removable elements of a covering allow to make mounting and replacement of the electric motor by maslostantion from above.
  • Equipment by more powerful (55 kW) the electric motor of executive body allowing to increase productivity of works to 0,75 m3/min. (at 0,15 m3/min. at the existing poddirochny machines).
  • Constructive compactness of the machine.
  • The unified hydraulic actuators of drive section of the conveyor and running cart.
  • Extent of unification with the P110 entry-driving machine approximately 20.
  • Application of a gearless maslostantion with the trekhsektsiony gear pump increases reliability of work and reduces operational noise.
  • Two traverse speeds of an endless track (the worker - 1,8 m/min and shunting - 12 m/min.) give ampler operation capabilities.
  • Availability of remote control allows the operator to be in a safe range and to conduct convenient supervision over working process.
  • Possibility of carrying out cut developments at a seam thickness of 1,4 - 2,5 m.
  • High efficiency at destruction and loading on breeds of f=5-6 of unit that makes on the fortress of breeds about the 90th expected amount of works.

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MPP Poddirochno-loader
MPP Poddirochno-loader
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