Flying stopping device for liquid carbon dioxide fracturing device

• Main Authors: LIU XIAOYI, DONG BIN, YUAN WEI, YUAN HAILIANG, LING JIANGXIA, LIU PAN, WANG YANCHAO, YU JIANXIN, CUI YAXUE
• Format: Patent
• Language: Chinese; English
• Published: 30.11.2021
• Subjects: AMMUNITION; BLASTING; EARTH DRILLING; EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION; FIXED CONSTRUCTIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; MINING; MINING OR QUARRYING; WEAPONS

The utility model discloses a liquid carbon dioxide cracking device flying stopping device which comprises a rotating core, a shell is arranged outside the rotating core, the end portion of the shell is connected with the rotating core in a rotating mode, a plurality of concave portions are arranged on the portion, located in the shell, of the rotating core, and first rotating pieces are arranged on the portions, opposite to the concave portions, of the shell. When the rotating core rotates relative to the shell, the rotating core ejects the first rotating pieces out of the shell, the multiple first rotating pieces abut against the blasting hole wall, the flying stopping device is clamped in a hole, the flying stopping function is achieved, and the flying stopping device is simple in structure, low in cost and good in flying stopping effect. 本实用新型公开了一种液态二氧化碳致裂器止飞装置，包括旋芯，旋芯外设有外壳，外壳的端部与旋芯旋接，旋芯位于外壳内的部分上设有多个凹部，与多个凹部相对的外壳上均设有第一旋片。当本申请中旋芯相对于外壳转动时，旋芯将第一旋片顶出外壳，多个第一旋片抵于爆破洞壁，使得本申请中的止飞装置卡紧于洞内，实现止飞功能，本申请所设计的止飞装置结构简单、成本低、