1、 Definition and purpose
The expansion screw hook is mainly composed of components such as bolts, expansion tubes, and bursting plates. It uses a wedge-shaped slope to promote friction and grip force during expansion, thereby achieving a fastening effect. It is often used in various situations where heavy objects need to be suspended or fixed, such as installing water heaters, ceilings, manhole covers, etc.
2、 Selection and Installation
Selection: When choosing an expansion screw hook, factors such as material, size, and load-bearing capacity need to be considered. Ensure that the selected products meet the usage requirements and have corresponding quality certifications.
Installation: When installing the expansion screw hook, it is necessary to first drill a hole on the object that needs to be fixed, then place the expansion screw hook into the hole and tighten it with tools such as a wrench. During the tightening process, the expansion tube will gradually unfold and fill the pores, resulting in a tightening effect.
3、 Precautions
Punching size: When punching, it is necessary to ensure that the size of the hole matches the specifications of the expansion screw hook to avoid installation difficulties or affecting the fastening effect.
Load bearing capacity: When using expansion screw hooks, attention should be paid to their load bearing capacity to avoid exceeding their limit and causing safety accidents.
Environmental factors: When used in humid or corrosive environments, it is necessary to choose expansion screw hooks with better corrosion resistance to ensure their service life and safety.
4、 Maintenance and upkeep
Regular inspection: Regularly inspect the expansion screw hook to ensure that it is securely fastened and free from looseness or damage.
Replacement and repair: If damage or looseness is found in the expansion screw hook, it should be replaced or repaired in a timely manner to ensure its continued safety and reliability.
In summary, expansion screw hooks, as a commonly used fastener, have a wide range of applications in various fields. Proper selection, installation, use, and maintenance of expansion screw hooks are of great significance for ensuring their fastening effectiveness and safety.