Table tennis ball serving machine impact device
A technology of impact device and transmitter, applied in the direction of moving accessories, etc., can solve the problems of increasing the size of the electromagnetic coil, the friction of the equipment, the large size of the device, etc., to improve the technical performance index, the work is safe and reliable, and it is suitable for promotion. applied effect
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[0029] Example one
[0030] See Figure 1~4 As shown, an impact device of a table tennis transmitter includes an electrical control part and an impact device. The impact device includes a yoke 1, a transmitting tube 2 fixed on both ends of the yoke, and a rear end cover 3, fixed on the yoke The inner electromagnetic coil 6; the cavity surrounded by the transmitting conduit, the rear end cover and the electromagnetic coil is provided with an impact armature 4; the rear end cover is fixed with a permanent magnet 7, and the impact armature is fixed There is an impact head assembly 5.
[0031] In a further technical solution, the electromagnetic coil 6 has at least two windings, and the winding directions are the same but the electromagnetic driving forces are different.
[0032] Preferably, the maximum magnetic field strength of the permanent magnet 7 is equal to the maximum magnetic field strength that the electromagnetic coil 6 can generate.
[0033] The working process and force anal...
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