Multiple location main bearing cap structure of high accuracy

• Main Authors: RAO PENG, WANG ZHUBIAO, ZUO XUEGONG, LI QIAO
• Format: Patent
• Language: Chinese; English
• Published: 18.01.2017
• Subjects: ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES; BLASTING; COMBUSTION ENGINES; CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; LIGHTING; MECHANICAL ENGINEERING; WEAPONS

The utility model discloses a multiple location main bearing cap structure of high accuracy, upwards open the main bearing cap body that has the arc hole including the bottom, its characterized in that, the both sides in arc hole all are equipped with the bolt hole who runs through the bottom from the top on the main bearing cap body, all be equipped with arch in a plurality of positioning lip of bottom surface on the bottom surface of main bearing cap body both sides, a plurality of positioning lip on each bottom surface of inclining distribute in the bolt hole both sides, and wherein one of them positioning lip size is greater than all the other all positioning lip sizes on the bottom surface of one side. The utility model discloses simple structure, processing is convenient, can improve main bearing cap's positioning accuracy, when reducing positioning lip extruding the constant head tank on the cylinder body, probably produces the risk of crazing line. 本实用新型公开了种高精度多重定位主轴承盖结构，包括底部向上开有弧形孔的主轴承盖本体，其特征在于，所述主轴承