Long-rod porcelain composite insulator and manufacturing method thereof
A technology for porcelain composite insulators and manufacturing methods, which is applied in the direction of insulators, electrical components, circuits, etc., to achieve the effects of improving bonding force, improving mechanical strength, and improving pollution resistance
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Embodiment 1
[0026] Embodiment 1: as Figure 1 to Figure 5 As shown, the structure of the long rod-shaped porcelain composite insulator of the present invention is as follows: It includes a porcelain rod insulator body, an outer insulating shed sheath is provided outside the body, and ball-and-socket type fittings are glued to the two ends of the body. The end of the outlet end of a ball-and-socket fitting has a circular arc-shaped structure and a rectangular groove is arranged outside the end; the direction of the rectangular groove is 30° from the horizontal direction; the hole wall of the ball-and-socket fitting is clamped with the vertical direction The angle is 5°. The outer side of the arc-shaped structure is arc-shaped, and the inside has an outwardly convex arc structure; the structure of the outer shed sheath is a sequence of one large umbrella and two small umbrellas arranged at intervals, and one large umbrella and two small umbrellas The length of each group of umbrellas forme...
Embodiment 2
[0032] Embodiment 2: Basically the same as Embodiment 1, the difference is: in the structure of the insulator: the direction of the rectangular slot is 60° to the horizontal direction; the angle between the hole wall of the ball-and-socket fitting accessory and the vertical direction is 7°.
[0033] In the manufacturing method of the insulator: step 2) making the body of the porcelain rod insulator: beating the base material and water with a total weight of 150% of the base material to obtain a slurry;
[0034] Step 4) The semi-finished product obtained in step 3) is put into the mold cavity of high temperature and high pressure, and the outer diameter of the fittings is closely matched with the inner diameter of the mold cavity after the mold is closed. After the gap, keep it under the action of 140°C and 110bar clamping force for 5 minutes, so that the outer shed sheath and the end seal can be vulcanized and formed at one time.
Embodiment 3
[0035] Embodiment 3: Basically the same as Embodiment 1, the difference is: in the structure of the insulator: the direction of the rectangular slot is 0° to the horizontal direction; the angle between the hole wall of the ball-and-socket fitting accessory and the vertical direction is 0°.
[0036] In the manufacturing method of the insulator: step 2) making the body of the porcelain rod insulator: beating the base material and water with a total weight of 200% of the base material to obtain a slurry;
[0037] Step 4) The semi-finished product obtained in step 3) is put into the mold cavity of high temperature and high pressure, and the outer diameter of the fittings is closely matched with the inner diameter of the mold cavity after the mold is closed. After the gap, keep it under the action of 200°C and 130bar clamping force for 30min, so that the outer shed shed and the end seal can be vulcanized and formed at one time.
[0038] The performance indicators of the long rod-sh...
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