Transmision Line Suspension Clamp
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Suspension Clamp Introduction
Suspension clamps are used in the chain of suspension insulators with pole structures. The clamp is required to support the conductor and attach it to the insulator chains by means of a dual yoke plate and a socket tongue.
Suspension clamps are made of aluminum alloy conforming with IEC 61284 and steel complying with BS 3288 part 2 or equivalent and all its corrodible parts are galvanized in conformity with BS 729 or equivalent.
The dimensions of the suspension clamp are compatible with the socket tongue or clevis and adequate for the conductor.
Classification of suspension clamps
According to the material, the suspension clamps are divided into aluminum alloy suspension clamps, steel plate punched suspension clamps, malleable cast iron suspension clamps
1. Technical specifications
Type | Conductor Dia. (mm) | Dimensions(mm) | Ultimate strength (KN) | Weight (Kg) | ||||
h | c | D | r | L | ||||
XGH-3A | 12.4-17.0 | 60 | 22 | 16 | 10 | 180 | 39 | 1.5 |
XGH-4A | 19.0-21.6 | 74 | 28 | 16 | 12 | 220 | 39 | 2.2 |
XGH-5A | 24.2-28 | 86.5 | 35 | 16 | 15 | 256 | 59 | 2.8 |
XGH-8A | 49-52 | 97 | 56 | 20 | 27 | 300 | 69 | 4.5 |
2. Manufacture process
3. Suspension clamp application
The suspension clamps are applied for suspension and jumper strings for the power transmission lines, distribution lines, and substations.
1. Trunnion type
2. Envelope type
3. Suspension clamp for twin jumper conductors
4. Suspension clamp for tower top clamp and bracket
5. Carried-up type
6. Hang-down type
7. Abrasion-proof type
8. Top clamp for post insulator
