Traction motor junction box suitable for high voltage class and manufacture method of traction motor junction box
A technology for traction motors and junction boxes, which is applied in the manufacture of motor generators, electrical components, electromechanical devices, etc. It can solve the problems of unreliable insulation of motor junction boxes, achieve stable insulation performance, facilitate sealing, and ensure insulation reliability.
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[0026] like figure 1 As shown, the traction motor junction box suitable for high voltage levels includes a box body 1 and a junction box cover plate 3 covered on the box body, three-phase lead wires 2, three-phase cables 5 and potting glue 4, The three-phase lead wires and the three-phase cables all enter the box body from outside the box body and are connected in the box body, and the potting glue is potted inside the box body. The box body is provided with feet at the bottom of the box body, three-phase lead-out wire outlet holes for three-phase lead-out wires to pass through, three-phase cable wire outlet holes for three-phase cable wires to pass through, and three-phase cable outlet holes for tightening three-phase cables. Thread tightening member 6.
[0027] The internal wiring of the motor junction box adopts a welding structure. After the welding is completed, it is insulated, and then the junction box is potted as a whole to solve the problem of reliable sealing and i...
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