Pod body structure
By designing the main cylindrical structure of the pod, using main beams, bulkheads, and opening frames, combined with support plates, nuts, and bolts, the problem of numerous rivet connections in existing pod bodies was solved, making assembly and maintenance easier and improving structural rigidity and skin stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-26
- Publication Date
- 2026-03-06
AI Technical Summary
The existing pod hull has many rivet connections, which makes assembly difficult, causes stress concentration, and makes the skin structure prone to instability, resulting in poor sealing performance.
The main body structure of the pod is adopted. Through the design of the main beam, bulkhead and opening frame, combined with the connection of the support plate, nuts and bolts, the number of rivets is reduced and the structural rigidity and sealing performance are increased.
It facilitates assembly and maintenance, reduces stress concentration, improves the overall rigidity of the structure and the stability of the skin, and enhances the sealing effect.
Smart Images

Figure CN223972735U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of aircraft airborne pod technology, specifically to a pod body structure. Background Technology
[0002] The external loadout environment of aircraft is complex, therefore the design of the pod body must consider various factors such as aerodynamics, load, structural strength, and electromagnetic compatibility. The pod has advantages such as independent structure, ease of maintenance, and universal interface. Using this pod body, the pod can be loaded onto the corresponding under-air hardpoint of the aircraft, meeting the corresponding functional requirements as needed.
[0003] Currently, the middle section of the pod body in China consists of a load-bearing frame, long trusses or beams, and connecting corner pieces riveted together to form the pod skeleton. Finally, the skin is riveted to the outer surface of the pod skeleton, and the equipment is installed on the beams through transition components such as corner pieces, mounting brackets, and base plates.
[0004] The existing electronic pod has a large number of connecting rivets in the middle section of the pod, making it difficult to assemble; the rivet connection increases the risk of stress concentration at the critical section, and the skin structure is prone to instability when subjected to axial force; the sealing effect is poor after the structure is assembled. Summary of the Invention
[0005] To address the problems in the prior art, this utility model provides a pod body structure, including a pod main cylinder. The pod main cylinder includes two main beams arranged parallel to each other and forming an arc shape. The corresponding sides of the two main beams are fixedly connected by end frames. At least two partition frames are provided between the two main beams, and each partition frame is fixedly connected to the two main beams. The partition frames divide the pod main cylinder into several compartments.
[0006] Both sides of the main body of the pod are provided with opening frames, and the upper and lower ends of the two opening frames are respectively fixedly connected to the two main beams.
[0007] A further option is to fix several lifting lugs on the top of the main beam located above the main body of the pod.
[0008] A further embodiment is that two sets of equipment installation structures are provided below the main body of the pod. Each set of equipment installation structures includes a mounting base plate and two guide joints. The mounting base plate is installed on the main beam located below the main body of the pod through four sets of corner boxes. Both guide joints are installed on the mounting base plate.
[0009] A further option is to install a ventilation duct assembly at the bottom of the main body of the pod.
[0010] A further embodiment is that one of the mouth frames includes a first mouth frame and a second mouth frame, the first mouth frame and the second mouth frame are fixedly connected, the first mouth frame is provided with a first mouth cover, and the second mouth frame is provided with a second mouth cover.
[0011] A further embodiment is that another of the aforementioned frames includes a third frame and a fourth frame, the third frame and the fourth frame being fixedly connected, the third frame being provided with a plurality of third covers, and the fourth frame being provided with a fourth cover.
[0012] A further option is to provide a maintenance cover on the first cover.
[0013] A further option is to provide four mounting slots along the circumference of the outer surface of the two end frames, with a mounting slot cover installed in each of the mounting slots.
[0014] Beneficial effects of this utility model
[0015] The pod structure provided by this utility model extensively utilizes brackets, nuts, and bolts for assembly, facilitating subsequent product installation and maintenance. The overall structure exhibits good rigidity; the number of rivets is reduced, making the skin less prone to instability; and the number of stress-concentration critical sections is reduced. Attached Figure Description
[0016] Figure 1 A schematic diagram of the overall structure of a pod body provided in an embodiment of this utility model;
[0017] Figure 2 A schematic diagram of the exploded structure of a pod body provided in this embodiment of the present invention;
[0018] Attached diagram labels: 1-Pod main body; 10-Main beam; 11-End frame; 110-Mounting slot; 12-Bullet frame; 13-Compartment; 2-Port frame; 20-First port frame; 200-First port cover; 201-Maintenance port cover; 21-Second port frame; 210-Second port cover; 22-Third port frame; 220-Third port cover; 23-Fourth port frame; 230-Fourth port cover; 3-Lifting lug; 40-Mounting base plate; 41-Guide joint; 42-Angle box; 5-Ventilation duct assembly; 6-Mounting slot cover. Detailed Implementation
[0019] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.
[0020] like Figure 1-2As shown, one embodiment of this utility model discloses a pod body structure, including a pod main cylinder 1. The pod main cylinder 1 includes two parallel, arc-shaped main beams 10, with corresponding sides of the two main beams 10 fixedly connected by end frames 11. At least two partition frames 12 are provided between the two main beams 10, and each partition frame 12 is fixedly connected to the two main beams 10. The partition frames 12 divide the pod main cylinder 1 into several compartments 13. The compartments can be used for the installation of different electronic equipment. Opening frames 2 are provided on both sides of the pod main cylinder 1, and the upper and lower ends of the two opening frames 2 are fixedly connected to the two main beams 10 respectively.
[0021] This embodiment, through the above-described configuration, enables the extensive use of plate nuts and bolts for the assembly of various structures within the pod, facilitating assembly and subsequent product installation and maintenance. It also results in good overall structural rigidity, reduces the number of rivets, minimizes skin instability, and reduces stress concentration at critical sections.
[0022] In this embodiment, four lifting lugs 3 are fixedly installed on the top of the main beam 10 located above the main body 1 of the pod.
[0023] There are two lifting lugs with a 762mm lifting distance and two lifting lugs with a 355.6mm lifting distance. This arrangement facilitates the lifting of the pod body by hoisting equipment.
[0024] In this embodiment, two sets of equipment installation structures are provided below the main body 1 of the pod. Each set of equipment installation structures includes a mounting base plate 40 and two guide joints 41. The mounting base plate 40 is installed on the main beam 10 located below the main body 1 of the pod through four sets of corner boxes 42. Both guide joints 41 are installed on the mounting base plate 40.
[0025] In this embodiment, the mounting base plate is used to support the equipment, and the guide joint is used for limiting and guiding during equipment installation.
[0026] In this embodiment, a ventilation pipe assembly 5 is provided at the bottom of the main body 1 of the pod.
[0027] This embodiment uses a ventilation duct assembly to provide a ventilation channel for heat dissipation of the equipment.
[0028] In this embodiment, one of the mouth frames 2 includes a first mouth frame 20 and a second mouth frame 21, the first mouth frame 20 and the second mouth frame 21 are fixedly connected, a first mouth cover 200 is provided on the first mouth frame 20, and a second mouth cover 210 is provided on the second mouth frame 21.
[0029] This embodiment, through the above-described settings, facilitates the installation and maintenance of equipment within the cabin.
[0030] In this embodiment, another frame includes a third frame 22 and a fourth frame 23, which are fixedly connected. The third frame 22 is provided with a plurality of third covers 220, and the fourth frame 23 is provided with a fourth cover 230.
[0031] This embodiment, through the above-described settings, facilitates the installation and maintenance of equipment within the cabin.
[0032] In this embodiment, a maintenance cover 201 is provided on the first cover 200.
[0033] This embodiment, through the above-described settings, facilitates the provision of maintenance access for equipment within the cabin.
[0034] In this embodiment, four mounting slots 110 are provided on the outer circumference of the two end frames 11, and a mounting slot cover 6 is installed in each mounting slot 110.
[0035] This embodiment allows for easy maintenance of the border through the above settings.
[0036] Finally, it should be noted that the above description only details specific embodiments of this utility model. However, this utility model is not limited to the specific embodiments described above. Equivalent modifications and substitutions made to this utility model by those skilled in the art are also within the scope of this utility model. Therefore, all equivalent changes and modifications made without departing from the spirit and scope of this utility model are covered within the scope of this utility model.
Claims
1. A kind of pod cabin structure, it is characterized by: Including pod main cylinder (1), the pod main cylinder (1) includes two upper and lower parallel and arc-shaped main beam (10), the corresponding side of two main beam (10) is fixedly connected by end frame (11);At least two partition frames (12) are arranged between two main beam (10), each partition frame (12) is fixedly connected with two main beam (10);The partition frame (12) separates pod main cylinder (1) into several cabins (13); The two sides of the pod main cylinder (1) are provided with mouth frame (2), and the upper and lower ends of the two mouth frames (2) are fixedly connected with the two main beams (10).
2. The pod cabin structure according to claim 1, characterized in that: The top of the main beam (10) above the pod main cylinder (1) is fixedly installed with a plurality of lifting lugs (3).
3. The pod cabin structure according to claim 1, characterized in that: A group of equipment mounting structures are arranged below the pod main cylinder (1), each group of equipment mounting structures comprises a mounting bottom plate (40) and two guide joints (41), the mounting bottom plate (40) is mounted on the main beam (10) below the pod main cylinder (1) by four corner boxes (42); The two guide joints (41) are mounted on the mounting bottom plate (40).
4. The pod cabin structure according to claim 1, characterized in that: A ventilation pipe assembly (5) is arranged at the bottom of the pod main cylinder (1).
5. The pod cabin structure according to claim 1, characterized in that: One of the mouth frames (2) comprises a first mouth frame (20) and a second mouth frame (21), the first mouth frame (20) and the second mouth frame (21) are fixedly connected, the first mouth frame (20) is provided with a first mouth cover (200), and the second mouth frame (21) is provided with a second mouth cover (210).
6. The pod cabin structure according to claim 1, characterized in that: The other mouth frame comprises a third mouth frame (22) and a fourth mouth frame (23), the third mouth frame (22) and the fourth mouth frame (23) are fixedly connected, the third mouth frame (22) is provided with a plurality of third mouth covers (220), and the fourth mouth frame (23) is provided with a fourth mouth cover (230).
7. The pod cabin structure according to claim 5, characterized in that: A maintenance mouth cover (201) is formed in the first mouth cover (200).
8. The pod cabin structure according to claim 1, characterized in that: Four mounting grooves (110) are formed along the outer circumferences of the two end frames (11), and a mounting groove cover (6) is mounted in each mounting groove (110).