What are the connection methods in common technologies?

Common technology connection methods include: 1. Cement connection, expansion bolts and cement nails; 2. Timber connection, bolt connection, ingot nut, nail connection, tenon connection, plug connection, glue connection, hinge connection And hoop connection; 3. Metal connection, bolt connection, ingot nut, nail connection, tenon connection, plug connection, glue connection, welding and riveting.

The operating environment of this tutorial: Windows 7 system, Dell G3 computer.

1. Cement connection

1. Expansion bolts: used to fix pipeline supports/hangers/brackets or equipment to walls, floors, and columns. A special threaded connection. When using it, you must first use an impact electric drill (hammer) to drill holes of corresponding sizes on the fixed body, then install the bolts and expansion tubes into the holes, and tighten the nuts to make the connection between the bolts, expansion tubes, mounting parts and the fixed body The space swells and becomes one. Just connected.

2. Cement nails: Commonly known as steel nails, they are a type of nails with a relatively hard texture. Its function is to nail on some relatively hard objects that other nails cannot nail, such as cement.

2. Wood connection

1. Bolt connection: Bolts are the screws we usually use. They need to be matched with nuts to fasten the connection between two Through-hole parts. Can be used not only for wood connections, but also for metal connections, which are removable.

2. Yuanbao Nut: Like Yuanbao, there is a hole in the middle for tightening the bolts, and protrusions on both sides are like wings. Your fingers can use force to tighten the bolts and are used in places that often need to be disassembled.

3. Nailing: Use nails to connect and nail the two parts together.

4. Mortise and tenon joint: two pieces of material (usually wood), one to make a tenon and one to make a mortise, the two are put together, and the two pieces of material are fixed together by the friction of the material.

5. Plug connection: It is a rigid connection, which mainly refers to a connection method similar to that between water pipes and water pipes that are nested together.

6. Adhesive connection: Use adhesive to connect, which has the characteristics of keeping structural parts from deforming.

7. Hinge connection: hinge connection.

8. Hoop connection: wooden barrel, just connected.

3. Metal connections

1. Connections 1, 2, 5, and 6 in wood connections are also suitable for metal.

2. Welding, used for occasions where the connection is reliable and does not disassemble. Welding includes soldering (welding electronic components on circuit boards and connecting small parts of copper and iron materials.) Electric welding (connecting metal parts with high strength.) Gas welding (connecting metal parts with high strength, such as bicycle frames.)

3. Riveting, used for reliable connection and infrequent disassembly. In layman's terms, riveting refers to a method of connecting two plates or objects together by drilling holes in the parts, placing rivets in them, and riveting the rivets with a rivet gun. Rivets are similar to bolts, but without threads. Riveting includes: movable riveting. The combined parts can rotate relative to each other. Not a rigid connection; fixed riveting. The combined pieces cannot move around each other. This is a rigid connection.

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