Overload protection

Hydraulische Überlastsicherung (1) Tyrok_Grindelplatte_Scherbolzen_2_414_d1_210819

Hydraulic overload protection

The hydraulic overload protection is basically a hydraulic cylinder with a directly connected, nitrogen-filled hydraulic accumulator on each pair of plough bodies. When triggered, the plough body pushes a piston into the accumulator via the hydraulic cylinder. The gas is compressed and automatically returns the body to its initial position after passing the obstacle. A choice can be made between the standard hydraulic protection with decentralised adjustment or the optional protection with central adjustment for convenient and quick adjustment of the release pressure of all bodies.

The benefits 

  • Simple adaptation of the release force 
  • Smooth and material protecting operation 
  • Exchangeable ball joints and sockets 
  • As standard, with additional shear bolt
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Mechanische Überlastsicherung mit Scherbolzen (1) Tyrok_hydr_oeLS_Grindel_Pflugkoerper_416_d1_210819

Mechanical overload protection using shear bolts

Shear bolts are the tried and tested standard solution for this system. Under load, the shear bolt snaps off at the predetermined breaking point and the plough body gives way to the obstacle by swivelling upwards. The high release forces of the shear bolt enable use even in heavy and hard soils.

The benefits 

  • 4,400 kg shear force 
  • Exact shearing via the double-cut, hardened flange plates
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Der Klügere gibt nach (1) Teres300VS_Deutz_d0_kw_P8177426_d1_220204

It's better to bend than to break

The pressure acting on the plough bodies is determined by many different factors. The correct release pressure is of great importance so as to ensure that the body sits firmly in the ground, but no stones are ploughed up. This can be comfortably set with the hydraulic overload protection. Unlike some other manufacturers, the release pressure decreases as the lift height increases. A gentle return of the body into the ground without damage can thus be ensured.

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