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3 Kinds Of Suspension Devices Of The Counterattack Board

The role of the counterattack board is to withstand the impact by the board hit the material crushing on it, and the broken material rebounded back to the broken area, again broken. The shape and structure of the counterattack plate have a great influence on the crushing efficiency.

The counterattack board has the characteristics of adjusting the discharge port, changing the clearance between the lower end of the counterattack plate and the rotor to control the product granularity. Therefore, the upper end of the strike plate is hinged to the upper body by the suspension shaft. The lower end of the rod or spring suspension rod hanging on the body, easy to adjust the level of counterattack, to achieve the purpose of changing the discharge gap.

In addition, the counterattack also has the insurance role, when the impact of ore over the counterattack plate can withstand the impact, that is, due to enter the non-fragile material to make it load is too large, the counterattack automatically back up, so that the discharge port Increase, let go of unbreakable material. Do not damage other parts, play a role in insurance.

The form of counterattack a lot, mainly two kinds of broken line and arc. Polyester strikeback board structure is simple, in the counterattack all the points on the material are in the approximate vertical direction of the impact, but can not guarantee the material to get the most effective impact.

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Arc-shaped counterattack can make blocks rebound from the counterattack, the center of the formation of intense collision with each other and broken, and its high crushing effect. Counterattacks are currently more high manganese steel wear-resistant materials such as impact resistance.

The counterattack surface with wear-resistant liner, but also can be used to counter the roll or grate board composition. The counterattack surface with grate seam has less fine-grained product content, higher equipment production capacity and lower power consumption, but has the defects of complex structure, hard to replace after counterattack surface wear, quick wear and the like.

Counterattack Board Suspension In Three Forms

Counter strike Construction Waste Crusher counter board suspension device is also a discharge port adjustment device, but also the whole overload protection device, when foreign matter (such as iron, etc.) or unbreakable pieces into the Construction Waste Crusher, the counterattack can automatically rebound bounce, Let foreign matter through the Construction Waste Crusher, to prevent foreign matter (such as iron, etc.) or unbreakable pieces of equipment damage. This device generally has three forms:

1, Rod Weight Type

Construction Waste Crusher work, counterattack by weight to maintain normal position, when the crushing chamber has non-broken material, the counterattack is lifted, ruled out after the non-crushed, and returned to its original position. The gap size can be adjusted by hanging bolts.

2, Spring-Type Rod

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Counterattack at work position is maintained by the spring pre-pressure, when the non-broken into the crushing cavity, the spring can overcome the pre-pressure, the discharge from the crushing chamber. Spring spiral, can also be combined. The size of the spring preload can be calculated by the balance condition of the counterattack device.

3, Hydraulic

Using the hydraulic device to adjust the counterattack position, but also as a safety device. Generally used for large impact Construction Waste Crusher, hydraulic hoist casing with the use of a hydraulic system.

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