A civil defense door leaf of a ladle structure lightweight design

Abstract

The utility model provides a kind of lightweight design of steel ladle structure civil air defence door door leaf, civil air defence door technical field, this civil air defence door door leaf includes panel, the panel back is provided with pouring hollow steel ladle box body structure, and the periphery of panel is provided with the door leaf frame of the fixed connection of pouring hollow steel ladle box body structure;The inside of pouring hollow steel ladle box body structure is provided with reinforcing rib and cement-based composite material material;By setting pouring hollow steel ladle box body structure on panel, and setting reinforcing rib and cement-based composite material material in pouring hollow steel ladle box body structure, while the overall strength and stability of door leaf are strengthened, the weight of door leaf is also effectively reduced, satisfy the dual demand of modern civil air defence engineering to high performance and lightweight, so that civil air defence door door leaf has the advantages, such as convenient transportation and installation, improve the overall efficiency of civil air defence engineering.

Description

Technical Field

[0001] This utility model belongs to the field of civil defense door technology, and in particular relates to a lightweight design of a civil defense door leaf with a steel-clad structure. Background Technology

[0002] Civil defense, also known as civil protection, refers to the doors at the entrances and exits of civil defense projects. These doors are part of civil defense protective equipment and are used by the government to mobilize and organize the masses to take measures against air raids, disaster relief, and rescue operations to prevent and mitigate the harm of disasters. Examples include the very heavy, cement-filled doors in underground parking garages of residential areas and the doors of emergency shelters; these are civil defense doors used to protect refugees and prevent injury from explosives. As a crucial component of civil defense equipment, civil defense doors are protective devices installed to ensure the safety of personnel and supplies in response to potential wars or emergencies. With technological advancements, civil defense equipment is constantly improving, with new technologies and materials being applied to its development to enhance protective effectiveness, extend service life, and reduce maintenance costs.

[0003] According to the material, existing civil defense doors are mainly divided into two types: steel structure civil defense doors and reinforced concrete civil defense doors. Steel structure civil defense doors are made of standard steel profiles and steel plates, which are cut, welded and processed by other processes.

[0004] Steel-structured air-raid shelter doors have poor corrosion resistance, requiring regular anti-corrosion treatment in humid or highly corrosive environments to extend their service life. Compared to air-raid shelter doors made of lightweight materials, steel-structured doors are heavy, posing challenges for transportation and installation. To address these issues, in recent years, some new air-raid shelter door designs have begun to utilize composite materials or lightweight metals to reduce weight and costs. However, these materials often suffer from insufficient strength, susceptibility to aging, or still relatively high costs, failing to meet the dual demands of modern civil defense engineering for high performance and lightweight construction.

[0005] Furthermore, with the continuous development and utilization of urban underground space, the scale of civil defense projects is increasing, and the performance requirements for civil defense door panels are also becoming more stringent. Traditional metal door panel designs are no longer sufficient to meet the requirements of modern civil defense projects for lightweighting, high strength, corrosion resistance, and maintenance-free operation. Therefore, developing a civil defense door panel that meets both protective performance and lightweight characteristics is particularly important. Utility Model Content

[0006] In view of the above-mentioned problems in the prior art, the present invention aims to provide a lightweight steel-clad structure for the door leaf of a civil defense door, which solves the problem that the door leaf of a civil defense door in the prior art cannot meet the dual requirements of high performance and lightweight in modern civil defense projects.

[0007] To achieve the above-mentioned utility model purpose, the technical solution adopted by the present utility model is as follows:

[0008] A door leaf of a civil air defense door with a lightweight design of a ladle structure is provided, which includes a panel. A cast hollow ladle box structure is arranged on the back of the panel, and door leaf frames fixedly connected to the cast hollow ladle box structure are arranged around the panel; reinforcing ribs and cement-based composite materials are arranged inside the cast hollow ladle box structure.

[0009] In the door leaf of a civil air defense door with a lightweight design of a ladle structure in the present utility model, the cast hollow ladle box structure can be made of lightweight and high-strength metal materials, having good supportability and corrosion resistance. Cement-based composite materials are cast inside the cast hollow ladle box structure. The cement-based composite materials adopt high-performance concrete materials, having excellent compressive, crack-resistant and impermeable properties. Through the casting of the cement-based composite materials, the overall strength and stability of the door leaf are further enhanced. And the whole civil air defense door leaf realizes the lightweight design by adopting lightweight and high-strength metal materials and optimizing the cast hollow ladle box structure. At the same time, the casting of the cement-based composite materials also effectively reduces the weight of the door leaf, meeting the dual requirements of modern civil air defense projects for high performance and lightweight.

[0010] Furthermore, as a specific setting mode of the cast hollow ladle box structure, the cast hollow ladle box structure is a hollow box-shaped structure. The cast hollow ladle box structure includes multiple steel ladle hollow cross beams and steel ladle hollow longitudinal beams arranged vertically and horizontally. Multiple steel ladle hollow cross beams and steel ladle hollow longitudinal beams are communicated at the intersection. The ends of the steel ladle hollow cross beams and the steel ladle hollow longitudinal beams are fixedly connected to the inner side walls of the door leaf frames.

[0011] Furthermore, grouting holes are arranged on the steel ladle hollow cross beams or the steel ladle hollow longitudinal beams; the cement-based composite materials are cast into the cast hollow ladle box structure through the grouting holes.

[0012] Furthermore, through holes for the lock heads in the locking mechanism to pass through are arranged on the door leaf frames. Mounting plates for installing the locking mechanism are arranged on the cast hollow ladle box structure. The settings of the through holes and the mounting plates facilitate the installation of components such as the locking mechanism supporting the civil air defense door and complete the relevant functions of the civil air defense door product.

[0013] Furthermore, the materials of the panel, the cast hollow ladle box structure and the door leaf frames are all stainless steel, high-strength steel or other steel materials. The panel, the cast hollow ladle box structure and the door leaf frames are to be in contact with the external environment. And designing them as steel materials ensures the overall strength and protection performance of the door leaf, greatly improves the corrosion resistance of the whole civil air defense door leaf, extends the service life in humid or corrosive environments, and reduces the maintenance work of the civil air defense door leaf.

[0014] Furthermore, each of the hollow crossbeam boxes and hollow longitudinal beam boxes of the steel ladle is equipped with multiple reinforcing ribs, which are made of high-strength ribbed steel bars. The reinforcing ribs are used to increase the structural strength of the entire cast-in-place hollow steel ladle box structure and the entire air-raid shelter door leaf, thereby increasing structural stability and meeting the performance requirements of the air-raid shelter door leaf.

[0015] Furthermore, the back of the panel forms the bottom surface of each of the hollow crossbeam boxes and hollow longitudinal beam boxes of the steel ladle. This arrangement reduces the amount of hollow steel ladle box structure used and lightens the weight without affecting the overall performance of the air-raid shelter door, achieving the goal of lightweight design for the air-raid shelter door.

[0016] The beneficial effects of this utility model are as follows:

[0017] 1. The present invention relates to a lightweight steel-clad structure design for a civil defense door leaf. By setting a cast-in-place hollow steel clad box structure on the panel and setting reinforcing ribs and cement-based composite materials inside the cast-in-place hollow steel clad box structure, the overall strength and stability of the door leaf are enhanced while the weight of the door leaf is effectively reduced, thus meeting the dual requirements of modern civil defense projects for high performance and lightweight design.

[0018] 2. This utility model discloses a lightweight steel-clad structure for a civil defense door. The panel, the cast-in-place hollow steel clad box structure, and the door frame are all made of stainless steel. The cast-in-place hollow steel clad box structure is filled with cement-based composite material. Both stainless steel and cement-based composite materials are corrosion-resistant, which greatly improves the corrosion resistance of the entire civil defense door, eliminates the need for frequent maintenance, reduces operating costs, and effectively extends the service life of the door.

[0019] 3. The steel-clad structure lightweight design of the civil defense door leaf of this utility model reduces the production cost of the door leaf by optimizing material selection and structural design. The lightweight design significantly reduces the weight of the door leaf, making it easier to transport and install, and improving the overall efficiency of civil defense projects. Attached Figure Description

[0020] Figure 1 This is a structural diagram of a lightweight steel-clad design for a civil defense door.

[0021] Figure 2 This is a schematic diagram of the internal structure of the hollow longitudinal beam box in the steel ladle.

[0022] The components include: 1. Panel; 2. Cast-in-place hollow steel ladle box structure; 3. Door frame; 4. Reinforcing ribs; 5. Cement-based composite material; 6. Hollow steel ladle crossbeam box; 7. Hollow steel ladle longitudinal beam box; 8. Grouting hole; 9. Through hole; 10. Mounting plate. Detailed Implementation

[0023] The specific embodiments of this utility model are described below to enable those skilled in the art to understand this utility model. However, it should be understood that this utility model is not limited to the scope of the specific embodiments. For those skilled in the art, as long as various changes are within the spirit and scope of this utility model as defined and determined by the appended claims, these changes are obvious. All inventions utilizing the concept of this utility model are protected.

[0024] like Figures 1-2 As shown, this utility model provides a lightweight steel-clad structure design for a civil defense door leaf, which includes a panel 1. A cast-in-place hollow steel-clad box structure 2 is provided on the back of the panel 1. A door leaf frame 3 is provided around the panel 1 and is fixedly connected to the cast-in-place hollow steel-clad box structure 2. The interior of the cast-in-place hollow steel-clad box structure 2 is provided with reinforcing ribs 4 and cement-based composite material 5.

[0025] Specifically, as a specific arrangement of the cast-in-place hollow steel ladle box structure 2, the cast-in-place hollow steel ladle box structure 2 is a hollow box-shaped structure, comprising multiple crisscrossing hollow steel ladle horizontal beam boxes 6 and hollow steel ladle vertical beam boxes 7. The multiple hollow steel ladle horizontal beam boxes 6 and hollow steel ladle vertical beam boxes 7 are connected at their intersections, and the ends of the hollow steel ladle horizontal beam boxes 6 and hollow steel ladle vertical beam boxes 7 are fixedly connected to the inner sidewall of the door leaf frame 3. Each of the hollow steel ladle horizontal beam boxes 6 and hollow steel ladle vertical beam boxes 7 has multiple reinforcing ribs 4 inside, and the reinforcing ribs 4 are made of high-strength ribbed steel bars. The reinforcing ribs 4 are used to increase the structural strength of the entire cast-in-place hollow steel ladle box structure 2 and the entire air-raid shelter door leaf, increase structural stability, and meet the performance requirements of the air-raid shelter door leaf.

[0026] The cast hollow ladle box structure 2 can be made of lightweight and high-strength metal materials, such as stainless steel and other materials, so that it has good support and corrosion resistance. Cement-based composite material 5 is poured into the cast hollow ladle box structure 2. The cement-based composite material 5 uses high-performance concrete material, which has excellent compressive, crack-resistant and impermeable properties. Specifically, the cement-based composite material 5 is one or a combination of TGCC high-strength and high-toughness composite material, UHPC composite material, matrix composite material, etc. For specific reference, see the existing patent - CN118619606B A super high-performance composite material and its preparation method. By pouring the cement-based composite material 5, the overall strength and stability of the door leaf are further enhanced. And the entire civil air defense door leaf realizes the lightweight design by adopting lightweight and high-strength metal materials and optimizing the cast hollow ladle box structure 2. At the same time, the pouring of the cement-based composite material 5 also effectively reduces the weight of the door leaf, meeting the dual requirements of modern civil air defense projects for high performance and lightweight.

[0027] Specifically, a grouting hole 8 is provided on the ladle hollow cross beam box 6 or the ladle hollow longitudinal beam box 7; the cement-based composite material 5 is poured into the cast hollow ladle box structure 2 through the grouting hole 8. A through hole 9 for the lock head in the locking mechanism to pass through is provided on the door leaf frame 3. An installation plate 10 for installing the locking mechanism is provided on the cast hollow ladle box structure 2. The settings of the through hole 9 and the installation plate 10 facilitate the installation of components such as the locking mechanism supporting the civil air defense door and complete the related functions of the civil air defense door product.

[0028] Preferably but not limited to, the materials of the panel 1, the cast hollow ladle box structure 2 and the door leaf frame 3 are all stainless steel, high-strength steel or other steel materials. The panel 1, the cast hollow ladle box structure 2 and the door leaf frame 3 are to be in contact with the external environment. Designing them as steel materials ensures the overall strength and protection performance of the door leaf, greatly improves the corrosion resistance of the entire civil air defense door leaf, extends the service life in humid or highly corrosive environments, and reduces the maintenance work of the civil air defense door leaf.

[0029] Preferably, the back surface of the panel 1 forms the bottom surface of each ladle hollow cross beam box 6 and ladle hollow longitudinal beam box 7. The above setting can reduce the usage amount of the cast hollow ladle box structure 2 and reduce the self-weight without affecting the performance of the entire civil air defense door leaf, achieving the purpose of lightweight design of the civil air defense door leaf.

[0030] In summary, for the civil air defense door leaf with a lightweight design of the ladle structure of the present utility model, by optimizing the material selection and structural design, while enhancing the overall strength and stability of the door leaf, it also effectively reduces the weight of the door leaf, meets the dual requirements of modern civil air defense projects for high performance and lightweight, is convenient for transportation and installation, and improves the overall efficiency of the civil air defense project.

Claims

1. A lightweight steel-clad structure for the door leaf of a civil defense door, characterized in that, The device includes a panel, on the back of which is a cast-in-place hollow steel ladle box structure. A door frame is fixedly connected to the cast-in-place hollow steel ladle box structure around the panel. The interior of the cast-in-place hollow steel ladle box structure contains reinforcing ribs and cement-based composite materials. The cast-in-place hollow steel ladle box structure is a hollow box-shaped structure, comprising multiple intersecting hollow steel ladle crossbeam boxes and hollow steel ladle longitudinal beam boxes. These crossbeam boxes and longitudinal beam boxes are connected at their intersections, and their ends are fixedly connected to the inner wall of the door frame.

2. The lightweight steel-clad structure of the air-raid shelter door leaf according to claim 1, characterized in that, The hollow crossbeam box or hollow longitudinal beam box of the ladle is provided with grouting holes.

3. The lightweight steel-clad structure of the air-raid shelter door leaf according to claim 1, characterized in that, The door frame is provided with a through hole for the lock head of the locking mechanism to pass through.

4. The lightweight steel-clad structure of the air-raid shelter door leaf according to claim 1, characterized in that, The hollow steel ladle box structure being cast is equipped with an mounting plate for installing a locking mechanism.

5. The lightweight steel-clad structure of the air-raid shelter door leaf according to claim 1, characterized in that, The materials for the panel, the cast hollow steel box structure, and the door frame are all stainless steel or high-strength steel.

6. The lightweight steel-clad structure of the air-raid shelter door leaf according to claim 2, characterized in that, Each of the hollow crossbeam boxes and hollow longitudinal beam boxes of the ladle is provided with multiple reinforcing ribs inside, and the reinforcing ribs are made of high-strength ribbed steel bars.

7. The lightweight steel-clad structure of the air-raid shelter door leaf according to claim 6, characterized in that, The back of the panel forms the bottom surface of each of the hollow crossbeam boxes and hollow longitudinal beam boxes of the ladle.

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