Instrument of drawing of engine bearing lid

The utility model discloses an instrument of drawing of engine bearing lid, this engine bearing lid has the bent axle hole, should include by the instrument of drawing: the edging round pin that nylon was made, it is used for embedded downtheholely at the bent axle, coupling assembling, it includes: the horizontal guide post that sets up, the side arm, its string of one end of establishing at the guide post, the edging round pin sets up in the inboard of side arm lower extreme, wears to be equipped with the nail of having strong market potential between side arm and the edging round pin, and the cursor slide, the pot head is established on the guide post on it, and the cursor slide is used for sliding just to the side arm orientation, and the lower extreme of cursor slide can overlap on the nail of having strong market potential, and draw the subassembly, and it includes pull rod, sliding sleeve and dog, and the lower extreme of pull rod is connected with the intermediate position of guide post, and the dog setting is in the upper end of pull rod, and the sliding sleeve overlaps on the pull rod. Should make the bearing cap be out of shape little not damaged by the instrument of drawing.