Reinforced concrete air-tight door
The utility model relates to the technical field of air-tight doors and discloses a reinforced concrete air-tight door which comprises a door frame, and a first reinforced concrete door and a second reinforced concrete door are movably installed on the upper side and the lower side of the left end a...
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Main Author | |
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Format | Patent |
Language | Chinese English |
Published |
18.01.2022
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Subjects | |
Online Access | Get full text |
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Abstract | The utility model relates to the technical field of air-tight doors and discloses a reinforced concrete air-tight door which comprises a door frame, and a first reinforced concrete door and a second reinforced concrete door are movably installed on the upper side and the lower side of the left end and the right end of the door frame through hinges respectively. Fixed wheels, first pulleys and second pulleys are fixedly installed on the front side walls of the door frame, the first reinforced concrete door and the second reinforced concrete door respectively, and the two sets of fixed wheels, the first pulleys and the second pulleys are movably connected with steel wire ropes which are movably connected with a winch driving output end fixedly installed in the middle of the upper end of the door frame. When we need to open the first reinforced concrete door and the second reinforced concrete door, the first reinforced concrete door and the second reinforced concrete door can be driven to be slowly opened throug |
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AbstractList | The utility model relates to the technical field of air-tight doors and discloses a reinforced concrete air-tight door which comprises a door frame, and a first reinforced concrete door and a second reinforced concrete door are movably installed on the upper side and the lower side of the left end and the right end of the door frame through hinges respectively. Fixed wheels, first pulleys and second pulleys are fixedly installed on the front side walls of the door frame, the first reinforced concrete door and the second reinforced concrete door respectively, and the two sets of fixed wheels, the first pulleys and the second pulleys are movably connected with steel wire ropes which are movably connected with a winch driving output end fixedly installed in the middle of the upper end of the door frame. When we need to open the first reinforced concrete door and the second reinforced concrete door, the first reinforced concrete door and the second reinforced concrete door can be driven to be slowly opened throug |
Author | LI XIUWEN |
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Discipline | Medicine Chemistry Sciences |
DocumentTitleAlternate | 一种钢筋混凝土密闭门 |
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Notes | Application Number: CN202120009993U |
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PublicationYear | 2022 |
RelatedCompanies | SHANDONG ZHONGHAO HOLDINGS GROUP CO., LTD |
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Snippet | The utility model relates to the technical field of air-tight doors and discloses a reinforced concrete air-tight door which comprises a door frame, and a... |
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SubjectTerms | ACCESSORIES THEREFOR CHECKS FOR WINGS DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL FIXED CONSTRUCTIONS FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES HANDCUFFS KEYS LADDERS LOCKS SAFES WINDOW OR DOOR FITTINGS WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING |
Title | Reinforced concrete air-tight door |
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