650600950003 gearbox anti-theft device

The utility model relates gearbox anti-theft devices to solve the field operation of the gear box oil theft. As the hole in the cover (8) and the box ends of the mouth (9) embedded between a symmetrical U-shaped hook (2), the second hook (2) After the other end of the bending and the box opening (9) of the card along the phase; each hook (2) connected with the cover (8) parallel to the pin (4), each pin (4) through the two fixing the cover (8) on the inner wall of a seat (3,7), the two between the pin (4) is provided with a return spring (6). From the technical solution adopted, the control gear box cover, as the hole in the internal organs, either remove the mounting screw hole covers are also depending on the internal organs with cards, outsiders can not open; when bearing manufacturer need to open, as the manhole cover, you can drilled from both sides of the cover hook at one end communicating with the internal concealment fine through-holes, with the corresponding rod insertion can force the card and put off the hook as the hole cover is open. Similarly, in the oil drain plug wire also uses proprietary tools to open, together with a security role.