91精品国产91_国产伦精品免费视频_日韩久久一级片_国产精品美女免费看

Patent Operation Platform

Patent

[CN 201721043953.1] Combined Shearing Machine for Shearing High Strength H-beam


[CN 201721043953.1] Title of Combined Shearing Machine for Shearing High Strength H-beam: Application Number of Combined Shearing Machine for Shearing High Strength H-beam: CN 201721043953.1 Applicant: Dalian Yuda Auto Parts Manufacturing Co., Ltd. Application Date: 2017-8-21 Patent Type: Utility Model The utility model belongs to a combined shearing machine for shearing high strength H-beam, including upper shear blade seat (1) and lower shear blade seat (5), it is characterized in that a plurality of bolts (7), nuts (8) and spring washers (9) are used to fix an upper shear blade (2) in the groove on the right side of the upper shear blade seat (1); On the left side of the upper shear blade seat (1), a plurality of bolts (7), nuts (8) and spring washers (9) are used to fix an upper shear blade 2 (3); similarly, a lower shear blade (4) is fixed by a plurality of bolts (7), nuts (8) and spring washers (9) in the groove of the lower shear blade seat (5); the lower shear blade (4) corresponds to the upper shear blade (2). The utility model adopts high-quality small three combined cutting blades, the small cutting blades are convenient for heat treatment, can process cutting materials with high hardness, the cutting blades are easy to replace, the service life is long, and the cost is reduced.

主站蜘蛛池模板: 日韩欧美亚洲天堂| 奇米精品一区二区三区| 精品国产中文字幕| 国产一区二区色| 日本午夜精品一区二区三区| 欧洲精品在线视频| av日韩一区二区三区| 久久久久亚洲精品| 日韩欧美不卡在线| 亚洲91精品在线亚洲91精品在线| 国产日韩综合一区二区性色av| 日本不卡久久| 亚洲a级在线观看| 国产99在线免费| 国产精品我不卡| 精品国内产的精品视频在线观看| 日本在线高清视频一区| 亚州成人av在线| 国产不卡av在线免费观看| 国产精品高潮在线| 国产精品对白刺激久久久| 国产精品视频导航| 国产精品嫩草视频| 国产狼人综合免费视频| 韩国成人一区| 国产熟人av一二三区| 国产欧美精品日韩精品| 国产精品自拍视频| 国产精品美女在线播放| 国产精品视频久久| www婷婷av久久久影片| 91av国产在线| 亚洲第一在线综合在线| 亚洲欧洲精品一区| 日韩欧美精品免费| 日本一区免费在线观看| 日本一区视频在线播放| 久久久在线视频| 国产在线精品日韩| 国产精品免费福利| 亚洲国产欧美不卡在线观看|