Impact resistant reconfigurable modular foxhole
Through modular design and specific structural combinations, the problems of insufficient impact resistance and poor structural stability of traditional trenches have been solved, achieving efficient defensive capabilities and flexible layout adjustments to adapt to complex battlefield environments.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 孟祥果
- Filing Date
- 2025-05-26
- Publication Date
- 2026-05-29
AI Technical Summary
Traditional trenches lack sufficient impact resistance, have poor structural stability, are difficult to adapt to complex terrain and geological conditions, and lack layout flexibility, making them unable to be quickly reconfigured to meet the needs of different combat scenarios.
The modular design includes a combination of trench main body, slope protection, breast wall, ridge retaining wall and arc-shaped stop slope. The ridge retaining wall enhances connection stability, the arc-shaped stop slope disperses impact force, the breast wall provides multi-layer defense, and the slope protection provides lateral buffer. The modular design facilitates rapid assembly and adjustment.
It improves the trench's impact resistance and structural stability, enhances its defensive effectiveness, reduces deployment time and maintenance costs, and provides flexible layout adjustment capabilities to adapt to changing battlefield environments.
Smart Images

Figure CN224302909U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of military engineering technology, specifically to an impact-resistant, reconfigurable modular trench. Background Technology
[0002] In modern military operations and emergency defense scenarios, trenches serve as crucial temporary defensive fortifications, their performance directly impacting the safety of combat personnel and the efficiency of mission execution. Traditional trenches, primarily constructed manually or with simple machinery and consisting mainly of earthen structures, reveal numerous problems when facing high-intensity firepower, shockwaves, and complex geological conditions. These include weak impact resistance, poor structural stability, and insufficient layout flexibility. Firstly, traditional trenches suffer from severely inadequate impact resistance. Earthen or simply piled-up traditional trenches are highly susceptible to collapse and disintegration under explosive impact, failing to effectively withstand the force of the blast and exposing combat personnel to danger, jeopardizing their lives. Secondly, traditional trenches lack structural stability. In complex terrain and geological conditions, traditional trenches are prone to damage due to landslides and foundation settlement. Furthermore, their fixed structural form is ill-suited to the demands of different combat scenarios. When combat missions change or terrain conditions alter, rapid adjustments and reconstruction are impossible, limiting the flexibility and efficiency of military operations. To address these issues, while existing modular trenches utilize prefabricated components, improving construction efficiency to some extent, they still have shortcomings in impact resistance and structural stability. The connection methods of most modular trenches are not robust enough; under external impact, modules are prone to loosening and separation, failing to form an effective overall protective structure. Therefore, the development of a modular trench that can effectively resist external impacts, possesses high structural stability, and is flexibly reconfigurable is urgently needed. The proposed impact-resistant reconfigurable modular trench, through unique structural design, such as the use of breast walls and slope protection with specific slopes, the use of ridges to enhance stability, and the use of arc-shaped cutoff slopes to disperse pressure and impact forces, overcomes the shortcomings of traditional trenches and some existing modular trenches, providing a more reliable solution for military defense and emergency protection. Utility Model Content
[0003] The purpose of this invention is to address the shortcomings of existing technologies by proposing an impact-resistant, reconfigurable modular trench.
[0004] To achieve the above objectives, the present invention adopts the following technical solution: an impact-resistant, reconfigurable modular trench, comprising a trench body, wherein two sets of trench bodies are provided and connected by a trench body, a slope is provided on one side of the trench body, and a breast wall is provided on the side of the trench body away from the slope, and an arc-shaped cut-off slope is provided at one end of the trench body, and ridges are provided at the connection between the arc-shaped cut-off slope and the breast wall and the connection between the breast wall and the trench body.
[0005] As a further description of the above technical solution:
[0006] The breast wall protrudes outward from the main body of the trench at a 90-degree angle, and the walls on both sides of the chest cavity have a 45-degree angle.
[0007] As a further description of the above technical solution:
[0008] The slope of the revetment is at a 45-degree angle and is used as a shelter.
[0009] As a further description of the above technical solution:
[0010] The ridge is the junction of slopes in the vertical direction, used to enhance the stability of the trench.
[0011] As a further description of the above technical solution:
[0012] The arc-shaped stop slope is a vertical terminal closed surface used to disperse soil pressure and external impact force.
[0013] This utility model has the following beneficial effects:
[0014] 1. The main body of the trench adopts two modular designs connected by the trench body, forming a flexible and expandable layout to adapt to different battlefield needs. The 90-degree vertical design of the breastwork provides frontal protection, while the 45-degree slope protection enhances lateral buffering. Together, they construct a multi-layered defense system to effectively resist bullets, shrapnel, and blast impacts. The arc-shaped termination slope's vertical end arc structure disperses soil pressure and external impact forces, while the ridge retaining wall strengthens structural rigidity at the slope junction, collectively improving the trench's resistance to collapse and overall stability.
[0015] 2. On-site assembly is possible via interfaces such as ledges, significantly reducing deployment time; if a module is damaged, it can be replaced individually, reducing maintenance costs. This reconfigurable feature allows trenches to be rapidly adjusted in layout according to tactical changes, providing a defensive solution for the modern battlefield that combines protection and flexibility. Attached Figure Description
[0016] Figure 1 This is a top view of the impact-resistant reconfigurable modular trench proposed in this utility model.
[0017] Figure 2 This is a side view of the impact-resistant reconfigurable modular trench proposed in this utility model.
[0018] Figure 3 The impact-resistant reconfigurable modular trench proposed in this utility model Figure 2 Enlarged view of point A.
[0019] Legend:
[0020] 1. Main trench; 2. Breast wall; 3. Main trench; 4. Slope protection; 5. Ridge; 6. Arc-shaped cut-off slope. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] Example 1:
[0023] like Figures 1 to 2 As shown, the impact-resistant reconfigurable modular trench provided in this embodiment includes: a trench body 1, two sets of trench bodies 1 connected by a trench body 3, a slope protection 4 on one side of the trench body 1, a breast wall 2 on the side of the trench body 1 away from the slope protection 4, an arc-shaped cut-off slope 6 at one end of the trench body 1, and ridges 5 at the connection between the arc-shaped cut-off slope 6 and the breast wall 2 and the connection between the breast wall 2 and the trench body 3.
[0024] It should be noted that the two main trenches 1 are connected by the main trench 3, forming an operational passage, and the width between the main trench 1 and the main trench 3 can be adjusted according to the width of the stretcher; the slope protection 4 and the breast wall 2 provide side and frontal protection respectively; the arc-shaped cutoff slope 6 disperses external impact force through its curved structure, and the ridge 5 enhances the structural strength at the connection points of each module. The modular design facilitates rapid assembly and disassembly, the impact-resistant structure can withstand blast shock waves and shrapnel, and the interconnection of multiple modules enhances operational flexibility.
[0025] Example 2:
[0026] Specifically, the breast wall 2 protrudes outward from the middle of the trench body 1 with a slope of 90 degrees, and the walls on both sides of the chest cavity 2 have a slope of 45 degrees.
[0027] It should be noted that the 90-degree vertical slope forms an upright protective surface, enhancing frontal ballistic protection and providing soldiers with cover and firing positions. The 45-degree inclination effectively alters the trajectory of enemy projectiles, deflecting them to the sides and reducing injury to personnel behind the breastwork. Simultaneously, it facilitates rapid movement of soldiers along the sides of the breastwork, allowing them to observe enemy positions or conduct firing operations, enhancing operational flexibility while ensuring safety. This slope, while providing support for observation and firing, also serves to quickly deflect blast impacts, shrapnel, and other debris. Placing debris on the 45-degree slope would obstruct the natural runoff path of shrapnel, gravel, and other hazardous materials generated after the explosion, causing debris accumulation and reducing the breastwork's ability to withstand subsequent attacks. Furthermore, if the debris is flammable, it could easily ignite during artillery fire, posing a serious threat to the safety of personnel in the trench. Therefore, to ensure that the breastwork 2 always performs its efficient protective and emergency deflection functions, no debris may be placed on the 45-degree slope.
[0028] Specifically, the slope of slope protection 4 is at a 45-degree angle and is used as a shelter.
[0029] In this embodiment, the 45-degree slope can effectively buffer shell fragments and small explosion impacts, while providing soldiers with lateral cover and reducing the hit rate of enemy fire. Therefore, it is strictly forbidden to place debris or flammable materials at position 4 to prevent obstructing the discharge path of debris or causing secondary fires in the explosion, and to ensure that the slope 4 always maintains efficient protection and obstacle removal functions.
[0030] Specifically, ridge 5 is the intersection of slopes in the vertical direction, used to enhance the stability of the trench.
[0031] In this embodiment, the ridge 5 serves as the boundary between different slopes. Through structural abrupt changes, it disperses stress, prevents cracks or collapses at the connection due to impact, improves the overall stability of the trench, and extends its impact resistance life. When it is hit by artillery shells, the ridge 5 is easy to repair. At the same time, it can coordinate with the slope protection 4 to adjust the slope accordingly based on the real-time situation.
[0032] Specifically, the arc-shaped cutoff slope 6 is a vertical terminal closed surface used to disperse soil pressure and external impact force.
[0033] In this embodiment, the arc surface converts soil pressure and external impact force into tangential force along the surface, which is transmitted to the bottom foundation through the structure, reducing vertical load, preventing the trench terminal from collapsing due to pressure concentration, and weakening the direct impact of the blast shock wave on the closed end.
[0034] Finally, it should be noted that the above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. An impact-resistant, reconfigurable modular trench, characterized in that: It includes a trench body (1), which is provided in two sets and connected by a trench body (3). A slope protection (4) is provided on one side of the trench body (1), and a breast wall (2) is provided on the side of the trench body (1) away from the slope protection (4). An arc-shaped cut-off slope (6) is provided at one end of the trench body (1). Ridges (5) are provided at the connection between the arc-shaped cut-off slope (6) and the breast wall (2) and the connection between the breast wall (2) and the trench body (3).
2. The impact-resistant reconfigurable modular trench according to claim 1, characterized in that: The breast wall (2) protrudes outward from the main body of the trench (1) at the middle and has a slope of 90 degrees. The slope of the walls on both sides of the breast wall (2) is 45 degrees.
3. The impact-resistant reconfigurable modular trench according to claim 2, characterized in that: The slope of the slope protection (4) is at a 45-degree angle and is used as a shelter.
4. The impact-resistant reconfigurable modular trench according to claim 3, characterized in that: The ridge (5) is the intersection of slopes in the vertical direction, used to enhance the stability of the trench.
5. The impact-resistant reconfigurable modular trench according to claim 4, characterized in that: The arc-shaped cutoff slope (6) is a vertical terminal closed surface used to disperse soil pressure and external impact force.