UHPC underground civil air defense door
By using UHPC materials to manufacture civil defense doors and combining welding technology of embedded steel connectors and metal bearings, the problem of deformation of steel structure civil defense doors at high temperatures is solved, achieving high temperature and explosion resistance, and improving the convenience of use of doors.
Patent Information
- Application Number
- CN202421963635.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-14
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-08-14
AI Technical Summary
The existing steel structure civil defense doors are prone to deform under high temperature environments, affecting the safety of underground civil defense facilities, and are inconvenient to switch, which is time-consuming and labor-intensive.
Underground civil defense doors are made of UHPC (ultra-high performance concrete) materials, and rigid connection is achieved through welding of embedded steel connectors to achieve the purpose of rigid connection. On-site drilling and chemical sealant sealing are used at the door locks and door handles to simplify installation and use.
It realizes the high temperature and explosion resistance of UHPC civil defense doors, avoids the deformation of metal steel doors at high temperatures, and improves the safety of civil defense facilities. At the same time, due to the lightweight material, door switches are more convenient, and installation and use are also more time-saving.
Smart Images
Figure CN223034842U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of civil air defense doors, in particular to a UHPC underground civil air defense door. Background Technique
[0002] Underground protection projects, also known as civil air defense works, refer to underground protection buildings constructed separately to protect personnel and materials during wartime, civil air defense command, and medical rescue during wartime, as well as basements that can be used for air defense during wartime in combination with ground buildings. The doors at the entrances and exits of underground protection projects are called civil air defense doors, and civil air defense doors belong to civil air defense protection equipment.
[0003] In the prior art, civil air defense doors are mainly steel structure civil air defense doors, which are thick and heavy, making it inconvenient to open and close the doors, time-consuming and laborious. Moreover, under the impact of instantaneous loads such as explosions, metal products are extremely prone to deformation at high temperatures, seriously affecting the safety of underground civil air defense facilities and the lives and health of personnel. Therefore, it is necessary to design a civil air defense door that is convenient and labor-saving, and has excellent high-temperature resistance and explosion resistance to overcome the above problems. Content of the Utility Model
[0004] The purpose of the utility model is to provide a UHPC underground civil air defense door, which has the advantages of being convenient and labor-saving, and having excellent high-temperature resistance and explosion resistance.
[0005] To achieve the above purpose, the utility model provides the following technical solution: a UHPC underground civil air defense door, including a main structure, a UHPC protection door is arranged inside the main structure, metal bearings are fixedly installed around the front of the main structure, a door lock is fixedly installed at the top left of the front of the UHPC protection door, a door bolt is fixedly installed on the surface of the UHPC protection door below the door lock, and a door handle is fixedly installed in the middle of the left side of the UHPC protection door.
[0006] As a preferred solution, steel connecting pieces are embedded inside the UHPC protection door and are rigidly connected to the metal bearings by welding.
[0007] As a preferred solution, embedded parts are arranged inside the main structure, and at the same time, the metal bearings are welded to the embedded parts in the main structure.
[0008] As a preferred solution, the door handle is designed to penetrate through the surface of the UHPC protection door.
[0009] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0010] 1. The utility model uses UHPC to produce civil air defense doors instead of traditional steel structure doors, which can achieve good explosion-proof and penetration-proof performance, avoid deformation of metal steel doors in high temperature environments, and affect the safety of civil air defense facilities; compared with steel structure civil air defense doors, the UHPC civil air defense door is lighter and easier to open; in addition, it can be installed by drilling holes on site, which is convenient and time-saving; at the same time, UHPC installs door locks by drilling holes and seals them with chemical sealants, which saves time and effort and enables free opening and closing of door locks; UHPC protective doors have embedded steel connectors inside, and are rigidly connected to metal bearings by welding; metal bearings are welded to embedded parts in the civil air defense structure to achieve a firm connection between the UHPC protective door and the main structure. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 This is a front view of the structure of the utility model;
[0012] Figure 2 It is a partial structural cross-sectional view of the utility model;
[0013] Figure 3 It is a cross-sectional view of the main structure of the utility model.
[0014] In the figure: 1. Main structure; 2. UHPC protective door; 3. Metal bearing; 4. Door lock; 5. Door bolt; 6. Door handle; 7. Embedded parts. DETAILED DESCRIPTION
[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0016] See also Figures 1-3 The utility model: a UHPC underground civil air defense door, comprising a main structure 1, a UHPC protective door 2 is arranged inside the main structure 1, metal bearings 3 are fixedly installed around the front of the main structure 1, a door lock 4 is fixedly installed on the top of the left side of the front of the UHPC protective door 2, a door bolt 5 is fixedly installed below the door lock 4 and on the surface of the UHPC protective door 2, and a door handle 6 is fixedly installed in the middle of the left side of the UHPC protective door 2.
[0017] Through the above technical solution, using UHPC to produce civil air defense doors instead of traditional steel structure doors can achieve good anti-explosion and anti-penetration performance, avoiding the deformation of metal steel doors in high-temperature environments and affecting the safety of civil air defense facilities; compared with steel structure civil air defense doors, this UHPC civil air defense door is lighter in weight and convenient to open; in addition, components such as door locks 4 can be installed by drilling holes on-site, which is convenient and time-saving; at the same time, UHPC installs the door lock 4 by opening holes and seals it with chemical sealant, which is time-saving and labor-saving, realizing the free opening and closing of the door lock 4; Steel connectors are embedded inside the UHPC protection door 2 and rigidly connected to the metal bearing 3 by welding; the metal bearing 3 is welded to the embedded parts 7 in the civil air defense structure to achieve a firm connection between the UHPC protection door 2 and the main structure 1.
[0018] Steel connectors are embedded inside the UHPC protection door 2 and rigidly connected to the metal bearing 3 by welding.
[0019] Through the above technical solution, it is rigidly connected to the metal bearing 3 by welding.
[0020] Embedded parts 7 are provided inside the main structure 1, and at the same time, the metal bearing 3 is welded to the embedded parts 7 in the main structure 1.
[0021] Through the above technical solution, the metal bearing 3 is welded to the embedded parts 7 in the civil air defense structure to achieve a firm connection between the UHPC protection door 2 and the main structure 1.
[0022] The door handle 6 is designed to penetrate through the surface of the UHPC protection door 2.
[0023] Through the above technical solution, the UHPC protection door 2 is lighter in weight and convenient to open. In addition, components such as door locks 4 can be installed by drilling holes on-site, which is convenient and time-saving; UHPC can improve the structural integrity, long-term performance and durability of the structural system. Therefore, UHPC can be used to produce civil air defense doors to enhance the anti-explosion and anti-penetration performance of the underground civil air defense system.
[0024] The working principle of the present utility model is: using UHPC to produce civil air defense doors instead of traditional steel structure doors can achieve good anti-explosion and anti-penetration performance, avoiding the deformation of metal steel doors in high-temperature environments and affecting the safety of civil air defense facilities; compared with steel structure civil air defense doors, this UHPC civil air defense door is lighter in weight and convenient to open; in addition, components such as door locks 4 can be installed by drilling holes on-site, which is convenient and time-saving; at the same time, UHPC installs the door lock 4 by opening holes and seals it with chemical sealant, which is time-saving and labor-saving, realizing the free opening and closing of the door lock 4; Steel connectors are embedded inside the UHPC protection door 2 and rigidly connected to the metal bearing 3 by welding; the metal bearing 3 is welded to the embedded parts 7 in the civil air defense structure to achieve a firm connection between the UHPC protection door 2 and the main structure 1.
[0025] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, rather than limiting the protection scope of the present utility model. Although the present utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present utility model can be modified or equivalently replaced without departing from the essence and scope of the technical solutions of the present utility model.
Claims
1. A UHPC underground civil air defense door, comprising a main structure (1), characterized in that: A UHPC protective door (2) is arranged inside the main structure (1), metal bearings (3) are fixedly installed on all four sides of the front of the main structure (1), a door lock (4) is fixedly installed on the top of the left side of the front of the UHPC protective door (2), a door bolt (5) is fixedly installed below the door lock (4) and on the surface of the UHPC protective door (2), and a door handle (6) is fixedly installed in the middle of the left side of the UHPC protective door (2).
2. A UHPC underground air defense door according to claim 1, characterized in that: The UHPC protective door (2) has an internal embedded steel connector, which is rigidly connected to the metal bearing (3) by welding.
3. The UHPC underground air defense door according to claim 1, characterized in that: An embedded part (7) is arranged inside the main structure (1), and the metal bearing (3) is welded to the embedded part (7) in the main structure (1).
4. The UHPC underground air defense door according to claim 1, characterized in that: The door handle (6) is designed to penetrate the surface of the UHPC protective door (2).