Sealing structure and sealing kit

• Main Authors: CUI LILI, XIONG XIDONG, TIAN YU, HU FANGYONG, LIU GUIFENG, JIA HONGLIANG, ZHU ZHENQUAN
• Format: Patent
• Language: Chinese; English
• Published: 05.06.2020
• Subjects: BLASTING; CYLINDERS; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; PISTONS; SEALINGS; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model discloses a sealing structure and a sealing suite, and the sealing structure comprises a sleeve which is fixed on a coal mill; the pull rod is connected with the coal mill and penetrates through the sleeve; and a first seal assembly, wherein the protective cover is connected with the pull rod, and the sealing seat is connected with the sleeve. Wherein the protective cover and thesealing seat are located at the upper end of the sleeve, the pull rod penetrates through the sealing seat, the protective cover is arranged on the sealing seat in a covering mode, and a gap is formedbetween the protective cover and the sealing seat and used for preventing pulverized coal from entering a gap between the pull rod and the sealing seat. The sealing sleeve piece can reduce the production cost. 本实用新型公开一种密封结构和密封套件，其中，密封结构包括：套管，固定于所述磨煤机；拉杆，与所述磨煤机连接，并穿过所述套管；以及第一密封组件，包括与所述拉杆连接的防护罩和与所述套管连接的密封座，所述防护罩和所述密封座位于所述套管的上端，所述拉杆穿过所述密封座，所述防护罩罩设于所述密封座，且所述防护罩和所述密封座之间具有间隙，所述间隙用以防止煤粉进入所述拉杆和所述密封座之间的缝隙内。本实用新型密封套件能降低生产成本。