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Durable Safety Device 20 Ton Gantry Crane Storm Locker
Braking with iron shoes for driving is to place iron shoes on one or two steel rails, and the forward rolling wheels slide along the steel rails after pressing the iron shoes. The rolling friction between the wheels and rails changes into sliding friction to prevent the wheel from moving forward and play the role of braking.
| Service conditions: | 1. Ambient temperature: - 20 ºC - + 50 ºC |
| 2. Generally used for three-phase AC power supply: 380V, 50Hz | |
| 3. The altitude of the place of use meets the relevant provisions of GB755-2000 | |
| 4. Technical parameters: windproof capacity of single windproof iron wedge brake (converted into horizontal force F) | |
| 5. F = f * n wheel (n wheel is wheel pressure; F is friction coefficient = 0.46) the number of complete machine to be installed is s = 2.5pw/f (PW is wind load = ckhqa) see lifting design specification | |
| Product selection: | 1. Specific model and lifting capacity of accessory products |
| 2. Lifting height (distance from hook center to ground) | |
| 3. Working conditions: working environment, lifting objects, etc | |
| 4. There are design drawings |
1. With limited switch, interlocking portection can be obtained.
2. All hinge points are fittled with self-lubrication bearing, so that there are high transmission efficiency, agile movement and long service life
3. With manual release function, maintenance is convenient.
4. It adopts Ed thrustor as actuator that had excellent performance, reliable sealing and high protection class of enclosed and with lowering delay function, impact on wedge acted by gantry is avoided The wedge is treated with special technique and it has high friction coefficient and excellent anti-corrosion performance.
The iron shoes are suitable for rail surfaces of different sizes. When the wheel set of the vehicle steps on the wheel stopper, the wheel stopper locking device will open automatically, run synchronously with the vehicle, and can smoothly pass through the rail joint; When the wheel set of the vehicle retracts the wheel stopper, the wheel stopper closing device will automatically lock on the rail surface to achieve the effect of effective anti slip and anti-theft.
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