Electromagnetic on-off apparatus and mining feeder switch
An on-off, electromagnetic technology, applied to electric switches, power devices inside switches, circuits, etc., can solve problems such as spring fatigue and failure, and achieve the effects of simplifying design shapes, facilitating mobile installation, and avoiding accidents
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Embodiment 1
[0070] Such as figure 1 As shown, the electromagnetic on-off device includes a magnetic core 1, a permanent magnet 2, a coil sleeve 8, an opening coil 3, a closing coil 4, a connecting rod 5, a lever 6, a power storage device and a controller.
[0071] The magnetic core 1 is a cylindrical structure, and the two ends moving up and down are respectively the opening position and the closing position;
[0072] The permanent magnet 2 includes a permanent magnet cover 7 and a magnet; the permanent magnet cover 7 has a central through hole, which is surrounded and sleeved on the magnetic core 1, and the inner wall is slidingly fitted with the outer wall of the magnetic core 1; the magnet has multiple pieces, which are evenly fixed On the outer wall of the permanent magnet sleeve 7 .
[0073] The opening coil 3 surrounds one end of the outer wall of the magnetic core 1, and generates electromagnetic force after being energized to push the magnetic core 1 in the opening coil 3 along t...
Embodiment 2
[0098] Such as image 3 , Figure 4 As shown, the mine feed switch includes an electromagnetic on-off device, a flameproof cavity, a bottom plate 13 and a track 15 .
[0099] The base plate 13 is integrated with a transformer, a protector, a controller, a vacuum tube and the electromagnetic on-off device; the base plate 13 can be inserted into the explosion-proof cavity, and two symmetrical rollers 14 are arranged on both sides of the insertion end of the base plate 13 .
[0100] The track 15 is arranged on the inner bottom wall of the explosion-proof cavity, and the track 15 is slidingly matched with the two outer walls of the roller 14 .
[0101] The end of the track 15 is provided with a receiving groove 16 for inserting the roller 14 .
[0102] Instructions
[0103] Install electrical components such as transformers, protectors, controllers, vacuum tubes, and electromagnetic on-off devices on the base plate 13, contact the two rollers 14 at the insertion end of the base...
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