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Help CenterYFX-700/80 Hengyang Heavy Industry's Electric Hydraulic Windproof Iron Wedge Brake Operates Sensitively and Reliably
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SQ2 SQ3 SQ4
SQ1, SQ2, SQ3, and SQ4 are normally open contacts for mechanical interlocking travel switches
KM is the main control contactor for crane travel
When the brake is energized, the iron wedge is lifted, and the contact of the travel interlock switch is closed, other controls for the crane's travel can be operated
The Huayan Hydraulic Windproof Iron Wedge Series has undergone long-term market testing and experience accumulation,
1. In terms of structure, modular design should be adopted as much as possible to maximize the universality of components, facilitate on-site installation, and minimize structural changes to the original crane equipment.
2. The iron wedge connecting rod adopts a curved structure design, ensuring that during the lifting process of the iron wedge, it avoids the problem of severe friction with the wheel tread and is not easy to separate. At the same time, it ensures that it can accurately wedge into the wheel tread when falling back.
3. The hydraulic thruster is equipped with a built-in spring to ensure a certain pressure on the Orbital plane when the iron wedge falls back.
4. Set a descent delay valve to ensure that the iron wedge slowly falls back, avoiding the impact of rapid fall on the operating mechanism.
5. In response to the phenomenon of hydraulic thrusters being prone to heat generation and thruster motors being prone to burning out, the company's products adopt customized high-temperature resistant stator and rotor, and the sealing ring is made of high-temperature resistant fluorine rubber material to ensure the working stability of the thruster.
6. The company provides a dedicated electrical control box for the iron wedge, which can achieve electrical interlocking between the windproof iron wedge and the crane crane crane. The action program is: before the crane crane runs, the windproof iron wedge is lifted first. After the iron wedge is lifted, the crane motor control circuit is connected, and the crane motor can only be powered on and started; When the crane stops, the iron wedge falls behind a delay. Ensure that in any case, as long as the iron wedge falls, the crane motor must be in a power off state.
7. It is also possible to adopt a traditional wiring method without using the above electrical control box control method and directly achieve electrical interlocking with the crane operation.
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