high-voltage cable bridging sleeve for introducing and fixing a cable into a metal structure box.
High-Voltage Cable Bridging Sleeve
The high-voltage cable bridging sleeve for introducing and fixing a cable into a metal structure box. The utility model comprises an epoxy resin insulating sleeve and a cable connector; the epoxy resin insulating sleeve is molded by an APE process using an epoxy resin material, and has an anti-climbing skirt, an anti-climbing ring, a mounting flange, a reinforcing rib, etc. The cable connector is provided with a cable insertion hole, an anti-rotation pin, a thread, a lock nut, a flat washer; the cable connector passes through the epoxy insulating sleeve and is mounted thereon, and the tail of the cable connector is bridged with the high voltage cable The metal wall of the casing installation part has a large creepage distance, and only six high-voltage cable bridging sleeves are required to realize the introduction of the cable through the cable coupling and the fixing of the metal structure box, and the support of the cable end, and the installation operation is simple. Convenient, occupying small space, good electrical performance, economical and reliable.
Figure 1 is a schematic structural view of the sleeve;
Figure 2 is a cross-sectional view taken along line A-A of Figure 1.
In the figure, 1 is an epoxy insulating sleeve, 2 is an anti-climbing skirt, 3 is a reinforcing rib, 4 is a mounting flange, 5 is an anti-climbing ring, 6 is an incoming cable, 7 is a cable core, and 8 is a cable insertion hole. 9 is cable connector, 10 anti-rotation pin, 11 flat washer, 12 is outgoing cable connector, 13 lock nut.
As shown in the figure, the sleeve is a high-voltage cable bridging sleeve for introducing a cable into a metal structure box, and includes an epoxy insulating sleeve 1, a cable coupling 9, and an epoxy insulating sleeve 1 The epoxy resin material is molded by the APG process, and the anti-climbing skirt 2, the anti-climbing ring 5, the mounting flange 4, the reinforcing rib 3, the anti-climbing skirt 2 and the anti-climbing ring 5 are added to increase the creepage The function of the mounting flange 4 is to fix the epoxy insulating sleeve 1 on the metal wall of the opening of the metal structure box. The function of the reinforcing rib 3 is to increase the structural strength of the epoxy insulating sleeve 1; the cable coupling 9 is provided with a cable insertion hole 8, an anti-rotation pin 10, a thread, a lock nut 13, and a flat washer 11. The cable insertion hole 8 is used for plugging with the cable core 7, and is connected by a cold pressing process after plugging. The end of the cable connector is coupled to the outgoing cable connector 12; the anti-rotation pin 10 ensures reliable installation of the cable connector 9, and the threaded, lock nut 13, and flat washer 11 are used to fix the cable connector 9 and the outgoing cable connector 12, Cable connector 9 is best used with copper. The high-voltage cable bridging sleeve simultaneously realizes the introduction of the cable into the metal structure box through the cable connector and the fixing, and the support of the cable end, the operation is simple and convenient, and the occupied space is small, so that the volume of the metal structure box can be designed to be small.
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