A kind of aircraft standard interface ground joint test with card type auxiliary tool
By designing a snap-fit auxiliary tooling and utilizing the synergistic design of threaded rods and spring pins, the problems of time-consuming, labor-intensive, and safety hazards in traditional missile testing have been solved, enabling rapid and safe missile testing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHINESE PEOPLES LIBERATION ARMY UNIT 94857
- Filing Date
- 2025-07-16
- Publication Date
- 2026-06-23
AI Technical Summary
Traditional air-to-ground joint testing and fault detection processes for air-to-ground weapon systems are time-consuming and labor-intensive, pose safety hazards, and lack supporting tooling to realize the signal interaction mechanism between missiles and pylons.
Design a snap-fit auxiliary tooling for live-fire ground testing of an aircraft standard interface, including a snap-fit block, a fixing block, a threaded rod, and a force-applying component. Through the coordinated design of the threaded rod and the spring pin, the missile can be quickly fixed and tested.
It improves detection efficiency, reduces the risk of missile damage, shortens detection time, enhances individual soldier operation efficiency, and avoids safety hazards in traditional detection processes.
Smart Images

Figure CN224398496U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of missile testing equipment technology, specifically to a card-type auxiliary tooling for live-fire ground connection of aircraft standard interface. Background Technology
[0002] In the field of live-fire ground testing and fault detection of air-to-ground weapon systems, traditional operating methods present significant technical bottlenecks. When conducting missile inspection, chain inspection, alignment, and telemetry signal detection, a crane is required to transfer the weapon from the ammunition transport vehicle to the missile loading vehicle, and then to the mounting point for loading. This process involves multiple manual operations, which is not only time-consuming and labor-intensive (each transfer takes 2-3 hours), but also poses safety hazards such as missile slippage and mechanical collisions, directly threatening the safety of ground personnel and equipment.
[0003] First, the two ends of the test cable must be connected to the mounting bracket interface and the missile test port respectively. Then, the release safety pin on the missile needs to be pressed into the housing using tooling to simulate the onboard state after the weapon is powered on.
[0004] Secondly, the signal interaction mechanism between the weapon and its pylon and bomb rack relies on the presence of a signal push rod mechanism and a disengagement signal assembly. The former identifies the status of the suspended object on the pylon through a micro-switch assembly (reporting the presence of the suspended object when the push rod is compressed and the micro-switch is activated). The latter compresses the micro-switch during weapon mounting to simulate the weapon's on-board status and ensures safe ground power supply. After launch, it resets by disengaging the safety pin push rod to establish a zero point for flight control timing. However, existing technologies lack the necessary tooling to achieve this. Utility Model Content
[0005] In view of this, the present invention provides a snap-fit auxiliary tooling for live-fire ground testing of aircraft standard interface. The present invention can fix the tooling on the outer wall of the missile and press against the spring pin, thereby pressing the spring pin into the missile shell, which facilitates ground testing of the missile.
[0006] To solve the above-mentioned technical problems, this utility model provides a snap-fit auxiliary tooling for live-fire ground connection of aircraft standard interface, including a snap-fit block, which is fixed on the outer wall of the missile and is located near the spring pin.
[0007] The fixing block is fixed to the outer wall of the missile by a locking block, and an extension rod is provided on the fixing block facing the spring pin.
[0008] The threaded rod is slidably mounted on the fixed block through a threaded engagement. The threaded rod is positioned above the spring pin, and the spring pin extends and retracts in the same direction.
[0009] A contact block is provided at one end of the threaded rod near the spring pin. The cross-section of the contact block is larger than that of the threaded rod, and the contact block can abut against the spring pin.
[0010] The end of the threaded rod away from the contact block is also equipped with a force-applying component, which facilitates the application of force to the threaded rod.
[0011] The force-applying component has a Y-shaped structure, and its cross-section is larger than that of the threaded rod, so the threaded rod will not fall out of the threaded hole on the extension rod.
[0012] The locking block has a T-shaped cross-section. The smaller end of the locking block is connected to the missile shell. The fixing block has a corresponding groove on the locking block. The groove also has a T-shaped cross-section, which means that the fixing block can be locked onto the locking block.
[0013] In summary, compared with the prior art, this application includes at least one of the following beneficial technical effects:
[0014] 1. A qualitative leap in testing efficiency: The design of a snap-fit fixing mechanism and a spring pin pressing device reduces the traditional 2-3 hour disassembly and assembly testing process to within 30 minutes. The tooling's guide rails precisely fit the missile's outer surface, and the quick-locking mechanism allows a single soldier to deploy the tooling within 1 minute, significantly improving efficiency compared to manual pin pressing.
[0015] 2. Avoid damage to the missile: By using tooling to engage the spring pin and using the testing cable to test the missile, it is possible to eliminate the need to transport the missile to the mounting point for testing and to remove the missile after testing. This avoids damage to the missile during the testing process. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the structure of a snap-fit auxiliary tooling for live-fire ground connection of an aircraft standard interface according to this utility model.
[0017] Figure 2 This is a schematic diagram of the structure of the card block of this utility model.
[0018] Explanation of reference numerals in the attached figures:
[0019] 1. Missile; 2. Spring pin; 3. Locking block; 4. Fixing block; 5. Slide groove; 6. Threaded rod; 7. Abutting block; 8. Force-applying component. Detailed Implementation
[0020] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the following will be described in conjunction with the appendices of the embodiments of this utility model. Figure 1-2The technical solutions of the embodiments of this utility model are clearly and completely described herein. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the described embodiments of this utility model are within the protection scope of this utility model.
[0021] This embodiment provides a snap-fit auxiliary tooling for live-fire ground connection of aircraft standard interfaces, such as... Figure 1-2 As shown: It includes a locking block 3 fixedly installed on the outer wall of missile 1. The locking block 3 is located near the spring pin 2. A fixing block 4 is detachably connected to the locking block 3. The fixing block 4 has a square structure, and the upper surface of the fixing block 4 has an extension rod on its side. The extension rod extends towards the spring pin 2. A threaded hole is also vertically penetrating the extension rod. The threaded hole is located directly above the spring pin 2. A threaded rod 6 is fitted in the threaded hole. The threaded rod 6 can move within the threaded hole and can move up and down during the rotation of the threaded rod 6. When the threaded rod 6 moves downward, the bottom of the threaded rod 6 can contact the top of the spring pin 2, thereby pushing the spring pin 2 into the interior of the missile 1 shell.
[0022] Specifically, the cross-section of the card block 3 is T-shaped and hollow. The smaller end of the card block 3 is connected to the missile shell 1. Correspondingly, the card block 3 has a sliding groove 5 on the fixing block 4. The sliding groove 5 is located at the bottom of the fixing block 4 and is connected to one side of the fixing block 4. The sliding groove 5 is also T-shaped, which means that the fixing block 4 can be fitted into the card block 3. This enables the tooling to be quickly assembled and disassembled, thereby increasing the inspection efficiency.
[0023] Furthermore, the bottom of the threaded rod 6 is also provided with an abutment block 7. The abutment block 7 is a circular plate structure, so that when the threaded rod 6 moves up and down, it can drive the abutment block 7 to move up and down. The cross section of the abutment block 7 is larger than the cross section of the threaded rod 6, so the abutment block 7 can abut against the spring pin 2. And when the installation position of the fixing block 4 is offset, the threaded rod 6 can still drive the abutment block 7 to move down, so that the abutment block 7 can abut the spring pin 2 into the outer shell of the missile 1.
[0024] Preferably, the end of the threaded rod 6 away from the contact block 7 is also provided with a force-applying element 8, that is, the force-applying element 8 facilitates the application of force to the threaded rod 6, thereby facilitating the up and down movement of the threaded rod 6 and increasing the efficiency of the missile 1 ground detection. In this embodiment, the force-applying element 8 is set as a Y-shaped structure, and the bottom cross section of the force-applying element 8 is larger than the cross section of the threaded rod 6, thereby preventing the threaded rod 6 from falling out of the threaded hole. The force-applying element 8 can also be set as other structures that facilitate the rotation of the threaded rod 6.
[0025] Furthermore, it should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0026] The above description is the preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications should also be considered within the protection scope of this utility model.
Claims
1. A snap-fit auxiliary tooling for live-fire ground connection of aircraft standard interfaces, characterized in that: include; The locking block (3) is fixed on the outer wall of the missile (1); The fixing block (4) is fixed to the outer wall of the missile (1) by means of the locking block (3); The threaded rod (6) is slidably mounted on the fixed block (4) through a threaded engagement, and the sliding direction of the threaded rod (6) is consistent with the extension and retraction direction of the spring pin (2) on the missile (1).
2. The auxiliary tooling for live-fire ground connection of aircraft standard interface as described in claim 1, characterized in that: The threaded rod (6) has an abutment block (7) at one end near the spring pin (2), and the cross section of the abutment block (7) is larger than the cross section of the threaded rod (6).
3. The auxiliary tooling for live-fire ground connection of aircraft standardization interfaces as described in claim 2, characterized in that: The threaded rod (6) is also provided with a force-applying element (8) at the end away from the contact block (7).
4. The auxiliary tooling for live-fire ground connection of aircraft standard interface as described in claim 3, characterized in that: The force-applying component (8) has a Y-shaped structure and its cross-section is larger than that of the threaded rod (6).
5. The auxiliary tooling for live-fire ground connection of aircraft standard interface as described in claim 1, characterized in that: The card block (3) has a T-shaped cross section. The smaller end of the card block (3) is connected to the outer shell of the missile (1). The fixing block (4) is provided with a groove (5) corresponding to the card block (3). The groove (5) also has a T-shaped cross section.