At present, more  more domestic truck enterprises begin to use the bolts of the standard elevator expansion bolt to connect the body beam  fix various external assembly. Compared with the traditional rivet technology, the screw technology has stronger anti-seismic  anti loosing performance,  is more convenient to replace,  can also be used repeatedly. Stronger shock  looseness resistance At present, domestic automobile enterprises have begun to use the bolts with the schbilao technology. Due to the special technology  tools used in the design  manufacture of the bolts, compared with the ordinary screws  traditional rivets, the anti-seismic  anti loosing performance of the bolts is better. At the same time, the nuts of this technology do  need any auxiliary locking elements, such as stop gasket  spring washer effect.

It is convenient to replace the damaged truck,  the rivets may fall off  be damaged. However, the replacement of rivets needs the help of professional tools, so there are some limitations. However, if bolts are used to fix the body, some bolts are provided with the car. Once it is found that there is falling off  damage, the replacement can be completed with the help of simple tools, which is more convenient to use.