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 201821331615.2] High precision semi-automatic forging hammer


[CN 201821331615.2] High-precision semi-automatic forging hammer Title: High-precision semi-automatic forging hammer Application number: CN 201821331615.2 Applicant: Zhejiang Tongte Heavy Forging Co., Ltd. Application date: 2018-8-17 Patent type: Utility model This utility model discloses high-precision Semi-automatic forging hammer. It includes a base, a large cylinder, a hammer rod and an anvil. The large cylinder is arranged on the top of the base, the hammer rod is matched with the large cylinder, the anvil is arranged on the bottom of the base, a fixed block is fixed on the base, a support plate is fixed on the bottom of the fixed block, a limit block is slidably connected on the top of the limit block, a slot is arranged on the top of the lower clamp block, and a first cylinder is arranged on the bottom of the first cylinder, the first cylinder is matched with the upper clamping block, the bottom surface of the upper clamping block is provided with a bump, the side wall of the large cylinder is provided with a first connecting column, the first connecting column is provided with a second connecting column, and the second connecting column is provided with a second cylinder, The second cylinder is matched with the limit block. The utility model is designed to freely adjust the structure of the hammer rod accommodation space, and adopts a matching accommodation space for the hammer rod of different sizes for its movement, thereby avoiding the hammer rod from shaking left and right and ensuring the forging quality.

主站蜘蛛池模板: 国产又粗又爽又黄的视频| 日本婷婷久久久久久久久一区二区 | 国产欧美日韩丝袜精品一区| 中文字幕日韩一区二区三区不卡| 日韩欧美一区二区三区四区五区| 国产精品久久77777| 久久久久久久久久久视频| 亚洲午夜精品久久久中文影院av| 国产精品我不卡| 久久久www成人免费精品| 亚洲欧美日韩在线综合| 精品久久国产精品| 久久久久久久久久久99| 奇米影视首页 狠狠色丁香婷婷久久综合| 国产福利视频在线播放| 国产精品久久久久久久av电影 | 久久夜精品va视频免费观看| 一区不卡视频| 秋霞无码一区二区| 久久精品99久久香蕉国产色戒| 久久久精品在线视频| 日本视频久久久| 国产va免费精品高清在线| 国产在线视频不卡| 久久免费视频网| 精品少妇在线视频| 久久免费看av| 国产自产在线视频一区| 色婷婷综合成人av| 欧美在线视频一二三| 日本三级久久久| 久久中文字幕在线视频V| 秋霞无码一区二区V| 日本一区二区三区免费看| 日本不卡一区| 久久99久久久久久| 91精品国产乱码久久久久久久久| 久久艹中文字幕| 精品毛片久久久久久| 中文字幕免费在线不卡| 国产精品九九九|