Wing box section rapid installation clamp suitable for high-speed impact test

Abstract

The utility model discloses a wing box section rapid installation clamp suitable for a high-speed impact test, and relates to the technical field of rapid installation clamps, the wing box section rapid installation clamp comprises a guide rail, the side face of the guide rail is provided with an adjusting assembly, the adjusting assembly comprises a limiting box, and the limiting box is internally provided with a clamping assembly. The clamping assembly comprises a threaded sleeve, a threaded rod, a moving plate, a brake block and a connecting rod, and has the advantages that the brake block is pushed to quickly clamp a guide rail by rotating the threaded sleeve and utilizing the double-threaded-rod reverse transmission principle, fixation can be completed without complex tools, the spring assists the brake block to automatically reset during reverse rotation, the disassembling process is convenient and fast, and the working efficiency is improved. The device is suitable for a high-speed impact test requiring frequent replacement of a wing box section, the shutdown adjustment time is shortened, after the spring sleeving the surface of the connecting rod compresses and stores energy during clamping and the threaded sleeve is loosened, the spring releases potential energy to push the brake block to automatically separate from the guide rail, and the tedious operation of manual reset is avoided.

Description

Technical Field

[0001] This utility model relates to the field of quick-installation fixture technology, specifically a quick-installation fixture for wing box sections suitable for high-speed impact testing. Background Technology

[0002] In aerospace engineering, wing structures must withstand dynamic loads such as bird strikes, hail impacts, and runway debris impacts during high-speed flight. Therefore, high-speed impact testing is a key step in verifying the impact resistance of wing box sections. During the test, the fixture must quickly install and fix the wing box section to the guide rail to ensure stability under impact loads in order to obtain accurate structural response data.

[0003] Existing fixtures mostly use bolts to directly fix the components to the guide rail, requiring multiple bolts to be tightened one by one, and requiring tools such as wrenches. This is not suitable for test scenarios where test pieces are frequently changed. Therefore, we propose a quick-installation fixture for wing box sections suitable for high-speed impact tests. Utility Model Content

[0004] The purpose of this invention is to provide a quick-installation fixture for wing box sections suitable for high-speed impact testing.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a quick-installation fixture for a wing box section suitable for high-speed impact testing, including a guide rail, an adjustment component provided on the side of the guide rail, the adjustment component including a limiting box, and a clamping component provided inside the limiting box;

[0006] The clamping assembly includes a threaded sleeve, a threaded rod, a movable plate, a brake block, and a connecting rod. The side of the brake block is slidably connected to the inner wall of the limiting box, the side of the movable plate is slidably connected to the inner wall of the limiting box, one end of the threaded rod is connected to the side of the movable plate, the surface of the threaded rod is threadedly connected to the inner wall of the threaded sleeve, one end of the connecting rod is connected to the side of the brake block, the surface of the connecting rod is slidably connected to the inner wall of the movable plate, and the side of the brake block abuts against the side of the guide rail.

[0007] As a further embodiment of this utility model: the adjustment assembly further includes a clamping rod and a connecting block, the side of the connecting block is slidably connected to the side of the guide rail, the side of the limiting box is slidably connected to the side of the guide rail, and the side of the clamping rod is connected to the side of the connecting block.

[0008] As a further embodiment of this utility model: a spring is sleeved on the surface of the connecting rod, one end of the spring is connected to the side of the moving plate, and the other end of the spring is connected to one end of the connecting rod.

[0009] As a further embodiment of this utility model: the side of the limiting box is connected to an intermediate component by bolts, and the intermediate component is connected to both the clamping rod and the connecting block by bolts.

[0010] As a further embodiment of this utility model: a limiting block is connected to the side of the brake block, a limiting groove is formed on the inner wall of the limiting block, and the side of the limiting block is slidably connected to the inner wall of the limiting groove.

[0011] As a further embodiment of this utility model: the side of the threaded sleeve is rotatably connected to the inner wall of the limiting box.

[0012] As a further embodiment of this utility model: the number of internal threaded rods of the limiting box is set to two, and the two threaded rods have opposite thread directions.

[0013] Compared with the prior art, the beneficial effects of this utility model by adopting the above technical solution are as follows:

[0014] 1. This utility model utilizes the reverse transmission principle of double threaded rods by rotating the threaded sleeve to push the brake block to quickly clamp the guide rail, which can be fixed without complicated tools. When rotating in the reverse direction, the spring assists the brake block to automatically reset, making the disassembly process convenient. Compared with the traditional bolt fixing method, it is suitable for high-speed impact tests that require frequent replacement of wing box sections, reducing downtime for adjustment. The spring sleeved on the surface of the connecting rod compresses and stores energy when clamped. After the threaded sleeve is released, the spring releases potential energy to push the brake block to automatically disengage from the guide rail, avoiding the tedious operation of manual reset.

[0015] 2. This utility model uses a connecting block and a limiting box to slide along the side of the guide rail, thereby adjusting the position of the clamping rod. After adjustment, it is fixed by the intermediate part and bolts to adapt to different sizes of wing box sections, ensuring the stability of the structure during the test. The clamping rods of the upper and lower guide rails face the same direction, forming an adjustable limiting space to initially position the wing box section, reducing the difficulty of alignment during installation. It is especially suitable for the quick clamping of non-standard parts.

[0016] Other advantages, objectives and features of this invention will be set forth in part in the description which follows, and in part will be apparent to those skilled in the art from the following examination or study, or may be taught from the practice of this invention. Attached Figure Description

[0017] Figure 1 This is an overall schematic diagram of an embodiment of the present utility model;

[0018] Figure 2 This is a schematic diagram of the clamping rod in an embodiment of the present utility model;

[0019] Figure 3This is a schematic diagram of the threaded sleeve in an embodiment of the present utility model;

[0020] Figure 4 This is a schematic diagram of the movable plate in an embodiment of the present utility model;

[0021] Figure 5 This is a schematic diagram of the spring in an embodiment of the present utility model;

[0022] Figure 6 This is a schematic diagram of the brake block in an embodiment of the present invention.

[0023] In the diagram: 1. Guide rail; 2. Adjustment assembly; 21. Clamping rod; 22. Connecting block; 23. Limiting box; 24. Intermediate component; 3. Clamping assembly; 31. Threaded sleeve; 32. Threaded rod; 33. Moving plate; 34. Brake block; 35. Connecting rod; 36. Spring; 37. Limiting block; 38. Limiting groove. Detailed Implementation

[0024] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings. It should be noted that the description of these embodiments is for the purpose of helping to understand this utility model, but does not constitute a limitation on this utility model.

[0025] Furthermore, the technical features involved in the various embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0026] Please see the appendix Figure 1 -Appendix Figure 6 The present invention provides a quick installation fixture for a wing box section suitable for high-speed impact testing, including a guide rail 1, an adjustment component 2 on the side of the guide rail 1, the adjustment component 2 including a limiting box 23, and a clamping component 3 inside the limiting box 23.

[0027] In embodiment 1, the clamping assembly 3 includes a threaded sleeve 31, a threaded rod 32, a movable plate 33, a brake block 34, and a connecting rod 35. The side of the brake block 34 is slidably connected to the inner wall of the limiting box 23. The side of the movable plate 33 is also slidably connected to the inner wall of the limiting box 23. One end of the threaded rod 32 is connected to the side of the movable plate 33, and the surface of the threaded rod 32 is threadedly connected to the inner wall of the threaded sleeve 31. One end of the connecting rod 35 is connected to the side of the brake block 34, and the surface of the connecting rod 35 is slidably connected to the inner wall of the movable plate 33. A spring 36 is sleeved on the surface of the connecting rod 35, which abuts against the side of the guide rail 1. One end of the spring 36 is connected to the side of the moving plate 33, and the other end of the spring 36 is connected to one end of the connecting rod 35. A limit block 37 is connected to the side of the brake block 34. A limit groove 38 is opened in the inner wall of the limit block 37. The side of the limit block 37 is slidably connected to the inner wall of the limit groove 38. The side of the threaded sleeve 31 is rotatably connected to the inner wall of the limit box 23. The limit box 23 has two threaded rods 32 inside, and the threads of the two threaded rods 32 are opposite in direction.

[0028] Specifically, when the threaded sleeve 31 is rotated, the two threaded rods 32 push the moving plate 33 outward synchronously due to their opposite thread directions. The moving plate 33 pushes the brake block 34 to move to the side of the guide rail 1 through the connecting rod 35 until the brake block 34 presses against the guide rail 1. At this time, the spring 36 is compressed and stores elastic potential energy. The friction between the brake block 34 and the guide rail 1 is used to ensure that the clamp is fixed. When the threaded sleeve 31 is rotated in the opposite direction, the threaded rods 32 lose their pushing force, and the spring 36 releases its potential energy to push the connecting rod 35 to drive the brake block 34 to reset. The brake block 34 separates from the guide rail 1. At this time, the spring 36 returns to its free length, and the clamp can slide and adjust along the guide rail 1.

[0029] In embodiment 2, the adjustment assembly 2 further includes a clamping rod 21 and a connecting block 22. The side of the connecting block 22 is slidably connected to the side of the guide rail 1, the side of the limiting box 23 is slidably connected to the side of the guide rail 1, the side of the clamping rod 21 is connected to the side of the connecting block 22, and the side of the limiting box 23 is connected to an intermediate part 24 by bolts. The intermediate part 24 is connected to both the clamping rod 21 and the connecting block 22 by bolts.

[0030] Specifically, based on the dimensions of the wing box section, the sliding connecting block 22 and the limiting box 23 along the guide rail 1 drive the clamping rod 21 to move. For example, when the length of the wing box section is 800mm, the distance between the clamping rods 21 of the upper and lower guide rails 1 is adjusted to 850mm (leaving a 50mm installation allowance). After adjustment, the limiting box 23, clamping rod 21, and connecting block 22 are bolted together using the intermediate part 24. The bolts are made of anti-loosening nuts to prevent vibration and loosening during high-speed impact tests.

[0031] Working principle:

[0032] First, both the connecting block 22 and the limiting box 23 can slide along the side of the guide rail 1, driving the clamping rod 21 to adjust its position to adapt to the installation requirements of wing box sections of different sizes. After adjusting to the target position, the limiting box 23, the clamping rod 21 and the connecting block 22 are fixed by the intermediate part 24 and bolts to ensure the structure is stable. The clamping rods 21 on the surfaces of the upper and lower guide rails 1 face the same direction, forming a limiting space, which can initially position the wing box section. With the clamping action of the clamping assembly 3, the wing box section is prevented from shifting during the test.

[0033] Rotating the threaded sleeve 31 (rotatably connected to the inner wall of the limiting box 23), since the threads of the two threaded rods 32 have opposite directions of rotation, the rotation of the threaded sleeve 31 will drive the two threaded rods 32 to move synchronously in opposite directions. One end of the threaded rod 32 is fixedly connected to the moving plate 33, so the movement of the threaded rod 32 will push the moving plate 33 to slide on the inner wall of the limiting box 23. The moving plate 33 is connected to the brake block 34 through the connecting rod 35. The connecting rod 35 passes through the moving plate 33 and is sleeved with the spring 36. When the moving plate 33 moves, it pushes the brake block 34 to move to the side of the guide rail 1 through the connecting rod 35 until the brake block... Brake block 34 is tightly abutted against guide rail 1 to achieve clamping. The pressure of the moving block on spring 36 can be adjusted by threaded sleeve 31, which can control the friction between brake block 34 and guide rail 1. When threaded sleeve 31 is rotated in the opposite direction, spring 36 (one end connected to moving plate 33, the other end connected to connecting rod 35) releases elastic potential energy, pushes connecting rod 35 to drive brake block 34 to reset, and releases clamping on guide rail 1. Limiting block 37 on the side of brake block 34 slides with limiting groove 38 to prevent brake block 34 from shifting when moving, ensuring accurate clamping position. At this point, the entire process is completed.

[0034] The terms "front," "back," "left," "right," "top," and "bottom" all refer to the figures in the accompanying drawings. Figure 1 Based on.

[0035] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of this utility model.

[0036] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments.

[0037] For those skilled in the art, various changes, modifications, substitutions, and alterations to these embodiments without departing from the principles and spirit of this utility model will still fall within the protection scope of this utility model.

Claims

1. A quick-installation fixture for a wing box section suitable for high-speed impact testing, comprising a guide rail (1), characterized in that: An adjustment component (2) is provided on the side of the guide rail (1). The adjustment component (2) includes a limiting box (23), and a clamping component (3) is provided inside the limiting box (23). The clamping assembly (3) includes a threaded sleeve (31), a threaded rod (32), a moving plate (33), a brake block (34), and a connecting rod (35). The side of the brake block (34) is slidably connected to the inner wall of the limiting box (23). The side of the moving plate (33) is slidably connected to the inner wall of the limiting box (23). One end of the threaded rod (32) is connected to the side of the moving plate (33). The surface of the threaded rod (32) is threadedly connected to the inner wall of the threaded sleeve (31). One end of the connecting rod (35) is connected to the side of the brake block (34). The surface of the connecting rod (35) is slidably connected to the inner wall of the moving plate (33). The side of the brake block (34) abuts against the side of the guide rail (1).

2. The quick-installation fixture for wing box sections suitable for high-speed impact testing according to claim 1, characterized in that: The adjustment assembly (2) further includes a clamping rod (21) and a connecting block (22). The side of the connecting block (22) is slidably connected to the side of the guide rail (1), the side of the limiting box (23) is slidably connected to the side of the guide rail (1), and the side of the clamping rod (21) is connected to the side of the connecting block (22).

3. The quick-installation fixture for wing box sections suitable for high-speed impact testing according to claim 1, characterized in that: A spring (36) is sleeved on the surface of the connecting rod (35). One end of the spring (36) is connected to the side of the moving plate (33), and the other end of the spring (36) is connected to one end of the connecting rod (35).

4. A quick-installation fixture for a wing box section suitable for high-speed impact testing according to claim 2, characterized in that: The side of the limiting box (23) is connected to an intermediate component (24) by bolts. The intermediate component (24) is connected to both the clamping rod (21) and the connecting block (22) by bolts.

5. A quick-installation fixture for a wing box section suitable for high-speed impact testing according to claim 1, characterized in that: The brake block (34) is connected to a limiting block (37) on its side. The inner wall of the limiting block (37) is provided with a limiting groove (38). The side of the limiting block (37) is slidably connected to the inner wall of the limiting groove (38).

6. A quick-installation fixture for a wing box section suitable for high-speed impact testing according to claim 1, characterized in that: The side of the threaded sleeve (31) is rotatably connected to the inner wall of the limiting box (23).

7. A quick-installation fixture for a wing box section suitable for high-speed impact testing according to claim 1, characterized in that: The number of internal threaded rods (32) of the limiting box (23) is set to two, and the threads of the two threaded rods (32) are opposite.

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