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The advantages of hydraulic fuse for cone crusher

Time:2017-10-25 10:17:11 10:10:46 AM Num:84

Cone crusher spring safety device is not perfect, in the production practice, often do not play the role of insurance, easy to cause broken shaft and other major accidents, and the adjustment of the discharge port is very convenient, to this end, the more commonly used hydraulic cone Crusher, the application of hydraulic time, the use of hydraulic positioning mechanism, reliable, and automatically exclude iron and the like can not be broken, the hydraulic system plays a support crusher cone, adjust the discharge port, to achieve overload protection and other three roles, Hydraulic cone crusher to adjust the discharge port and the exclusion of non-crushed material can be completed in about one minute, showing that it is more advanced than the spring cone crusher.

The hydraulic cylinders that achieve the hydraulic insurance function are arranged in the link body. Before the start of the crusher, start the hydraulic pump to the rod cylinder under the piston oil, so that the oil pressure does not exceed 200 kg / cm2. Then start the main motor, crusher normal work. When the crushing chamber into the non-crushed material, so that the hydraulic pressure under the connecting rod cylinder exceeds the specified pressure, forcing the high pressure relief valve to open, so that the lower oil tank to the oil cylinder pressure relief, so that the lower part of the working rod And the movement to stop the movement, and the main motor, eccentric shaft and connecting rod as usual operation, thus protecting the machine from damage, parking out of non-broken objects, and then re-drive.

Hydraulic protection device has the following advantages: compact structure, reliable, non-crushed material can be automatically discharged and moving jaw automatic reset, different parking, the machine increases the stress is small, usually 10%, while the spring safety device to increase the machine about 30% The stress. Therefore, hydraulic safety devices are increasingly widely used, but also one of the development trend of cone crusher.


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