Clamping Device for Trailer Truck

A clamping device comprising:

• a connecting member;
• a positioning member mounted on the connecting member;
• a driving member pivotally connected with the connecting member;
• and
• a clamping member pivotally connected with the driving member;
• wherein:
• the connecting member is provided with a threaded rod;
• the positioning member is screwed onto the threaded rod of the connecting member;
• the driving member is provided with a pull handle;
• the clamping member is provided with a positioning groove;
• a receiving space is defined between the connecting member and the clamping member;
• the clamping device is mounted on a crossbar of a trailer truck;
• the crossbar of the trailer truck is received in the receiving space and arranged between the connecting member and the clamping member;
• and
• when the crossbar of the trailer truck is unlocked from the clamping device, the clamping device is movable on the crossbar of the trailer truck.