What is an anchor bolt? For some professional terms, under normal circumstances, only friends who often touch the common sense of engineering can understand some of the information in detail. Just like anchor bolts, they will not be too familiar under normal conditions, but when we walk in On the side of the road, when we walked under the large advertising shelf, the bolts used to fix these things are the anchor bolts mentioned here. The anchor bolts are usually positioned and fixed before the equipment foundation is poured, and form a stable connection with the foundation after pouring; some holes are reserved during the foundation pouring, and the holes are poured after the equipment is in place, installed, and leveled; there are also small equipment Drill holes on the foundation and fix them with expansion bolts. Regarding the anchor bolts, I think there are still many things you need to know. The following will introduce us one by one for a long time: anchor bolt standards and effects.
Anchor bolt standard
Anchor bolts have the following standards: hexagon head bolts GB/T5782-2000, cross recessed pan head tapping screws GB845-85, hexagon socket head screws GB/T70, 1-2000 square head bolts C grade GB8-88, Standard spring washers GB93-87 cross recessed countersunk head tapping screws GB846-85, hexagon head bolts full thread GB/T5783-2000, hexagon nuts C grade GB/T41-2000, square nuts C grade GB39-88, slotted Cylinder head screw GB/T65-2000, wing nut GB62-88 hexagon socket countersunk head screw GB/T70.3-2000, screw GB/T15389-94, anchor bolt GB799-88, hexagon socket flat head screw GB/ T70, 2-2000 round head square neck bolts GB12-88, hexagon socket flat end set screws GB/T77-2000, cross recessed pan head screws GB/T818-2000.
The effect of anchor bolts
1. The anchor bolts and the ground are irrigated with cement and other items together, which can be used to fix equipment with less vibration and impact.
2. The movable foot is a detachable foot bolt, which can fix large machinery and equipment with intense vibration and impact.
3. Expansion anchor Anchor bolts are used to fix relatively simple and light equipment, and auxiliary equipment is in a static state for a long time.
4. Adhesive Anchor bolt is a widely used and common equipment, it is also used to fix small pieces of simple equipment.