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Granite Crushed Stone Construction Waste Crusher

Working process of hydraulic overload protection device for Granite Crushed Stone Construction Waste Crusher

Hydraulic overload protection device adopts the oil pressure regulating device, effectively regulate oil pump plunger injection pump stroke, according to the hydraulic system oil leakage volume automatic regulating trace oil cylinder by bolts, ultimate elongation limit position, overcomes the movable jaw hydraulic system of the hydraulic pulse, easy discharge regulation.

In the working process of the equipment, the piston type injection pump is driven to the system for high pressure oil through the rotation of the cam device. The hydraulic system under the Granite Crushed Stone Construction Waste Crusher allows maximum crushing force by the pressure adjusting device adjusting nut setting, when the pressure increases, the oil pressure regulating piston compression spring shift device, driving the plunger plunger counterclockwise, shorten the plunger stroke to reduce the amount of oil, oil pressure limiting system increased; on the other hand, when the low pressure system add oil, reduce, prevent the hydraulic system, the hydraulic system pressure to keep setting pressure in the initial.

Normal Work

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The pressure of the Granite Crushed Stone Construction Waste Crusher thrust plate acting on the working hydraulic cylinder is smaller than that of the hydraulic cylinder, and the action valve is in the upper limit position. The thrust plate does not move, and the Granite Crushed Stone Construction Waste Crusher normally Granite Crushed Stone Construction Waste Crushers.

Overload Protection

When the Granite Crushed Stone Construction Waste Crusher cavity into the non broken objects, the breaking force increases, the breaking machine thrust plate pressure at work is greater than the hydraulic cylinder hydraulic cylinder can provide thrust cylinder high pressure oil chamber oil pressure instantaneous rise, throttle valve movements of the valve action system (hydraulic cylinder) oil, limit the thrust plate of maximum thrust (i.e. maximum crushing force) and protect the machine.

Troubleshooting

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The non broken material into the crushing chamber, due to the work of hydraulic cylinder can provide maximum thrust limit, the right piston retracted, accordingly the Granite Crushed Stone Construction Waste Crusher discharge increases, the meshing Granite Crushed Stone Construction Waste Crusher jaw, non broken objects gradually moving downwards from the end of the discharge port of discharge, automatically removing broken non broken material in the cavity. If the "product" produced in the broken chamber is not qualified, it can be eliminated by the auxiliary device.

Automatic Recovery

When the non crushing matter automatically removed, the piston is in the retracted position, the crushing force decreased, in the absence of action valve chamber of instantaneous high pressure circumstances make the spool position limit recovery, is no longer on the oil drain system; at the same time, the large amount of oil pump oil pump system under the plunger type fuel pump in the oil pressure regulating device role until the work of hydraulic cylinder piston to the left limit position. At this point, the Granite Crushed Stone Construction Waste Crusher will return to normal working condition.

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