Images of Lifting Accessories for Prefabricated Houses

Currently, we cannot directly provide images of lifting accessories for prefabricated houses, but we can offer a detailed introduction to their common types and functions to help you understand their appearance and characteristics.

Lifting accessories for prefabricated houses are key devices used in prefabricated construction to connect, fix, or move prefabricated components. Their design must meet requirements for high strength, corrosion resistance, and ease of operation. Here are descriptions of common types and their functions:

1. Lifting Hooks and Rings
Lifting hooks are typically made of metal and have a curved hook shape. One end is used to connect to the crane's lifting cable, while the other end hooks onto the reserved holes or lifting points of the prefabricated components. Lifting rings, on the other hand, are mostly closed ring structures that are directly welded or bolted to the surface of the components, providing a more stable connection point. Both must have their specifications determined through mechanical calculations to ensure they can bear the weight of the components. For example, when lifting concrete wall panels, lifting rings may be made of high-strength steel bars with a diameter of over 20mm.

2. Bolt Connectors
These include high-strength bolts, nuts, and washers, used to fix the connection nodes between prefabricated components. The bolt heads are mostly hexagonal, and the shanks have threads. Tightening the nuts achieves rigid connections between the components. These accessories need to be used in conjunction with embedded sleeves. The sleeves are embedded in the components in advance, and the bolts are inserted through the sleeves and then tightened to ensure connection accuracy. For example, M20-M30 high-strength bolts with a tensile strength of over 800MPa are commonly used at beam-column joints.

3. Welding Fixtures
Used to temporarily fix the positions of prefabricated components and prevent displacement during lifting. Fixtures are usually composed of steel frames and adjustable bolts, achieving fixation by clamping the edges of the components. Their design needs to consider the shape of the components. For example, fixtures for rectangular wall panels may have L-shaped notches, while circular components require arc-shaped fixtures. After welding is completed, the fixtures can be loosened by bolts or cut off for removal.

4. Guide Wheels and Rails
When moving prefabricated components horizontally, guide wheels reduce friction, while rails provide the moving path. Guide wheels are mostly metal wheel bodies with rubber coatings on the surface to reduce noise. Rails are usually made of I-beams or channel steels and are fixed to the ground or supports. These accessories are commonly used in the indoor lifting of large components, such as the installation of floor slabs with a span of over 10 meters.

If you need specific images, it is recommended to search for "physical images of lifting accessories for prefabricated houses" on the official websites of construction machinery manufacturers, industry technical manuals, or professional databases (such as CNKI and Wanfang Data), or contact local prefabricated construction companies to obtain on-site photos.