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Zoomlion crane manual slewing gear brake braking release valve

 
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The swing brake valve is composed of a two-position four-way solenoid valve, a two-position three-way hydraulically controlled directional valve, a one-way damping valve and a shuttle valve. It is mainly used for the swing brake control hydraulic system of truck cranes.


The principle of rotary brake valve

The rotary brake valve is an electro-hydraulic control component, which is composed of an electromagnet, a direct-acting hydraulic directional valve, a hydraulic control check valve, etc. When the electromagnet is energized, the hydraulic reversing valve and the hydraulic control check valve act simultaneously, causing the pressure in the circuit to drop rapidly, causing the rotor to decelerate and stop. The principle of the rotary brake valve is similar to that of a brake, which brakes quickly when the rotor moves to achieve stopping and positioning.


The function of the rotary brake valve:

The rotary brake valve can improve the production efficiency and safety of mechanical equipment and has the following functions:

1. Quick stop: The use of a rotary brake valve can quickly brake mechanical equipment to avoid accidents.

2. Precise positioning: The rotary brake valve can accurately control the mechanical equipment to stop at a specific position to achieve precise positioning.

3. Reduce energy consumption: When braking, the rotary brake valve can quickly stop the mechanical equipment and reduce unnecessary friction and energy consumption.

4. Save maintenance costs: The use of rotary brake valves can reduce wear and failure of mechanical equipment and extend the service life of the equipment, thus reducing maintenance costs.


Precautions for use:

When using the swing brake valve, you need to pay attention to the following matters:

1. Strictly follow the instructions and do not overuse.

2. Perform annual maintenance and inspection of the swing brake valve to ensure normal performance.

3. The rotary brake valve should be kept clean during use to prevent impurities from entering and damaging parts.

4. The rotary brake valve should not be used in high temperature environments for a long time to avoid affecting its performance and life.


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