Check Device

A check device for checking a brake disc and a tire tread surface of a vehicle, wherein the check device comprises:

• a check device body;
• and
• a base comprising a first base body, a second base body, and a locking mechanism, wherein the check device body is mounted to the first base body;
• wherein the first base body has a hollow structure, and at least part of the second base body can be accommodated in an inner cavity of the first base body;
• the first base body comprises a first sliding member, the second base body comprises a second sliding member, the first sliding member cooperates with the second sliding member to move the second base body with respect to the first base body, and the at least part of the second base body can be accommodated in or can extend out of the inner cavity of the first base body;
• the locking mechanism is used for locking the second base body with respect to the first base body such that the at least part of the second base body is accommodated in the inner cavity of the first base body, and unlocking the second base body with respect to the first base body such that the at least part of the second base body extends out of the inner cavity of the first base body.