A limiting locking device for airborne equipment

Abstract

The present invention discloses an airborne equipment limiting locking device, comprising an L-shaped mounting seat, wherein a universal clamp is provided on the vertical section of the L-shaped mounting seat and on the end of the horizontal section away from the vertical section, the universal clamp on the universal clamp on the vertical section is provided with a locating pin assembly, and the universal clamp on the universal clamp provided on the end of the horizontal section away from the vertical section is provided with a gear lock; a lifting device is provided on the horizontal section of the L-shaped mounting seat at a position between the locating pin assembly and the gear locker, a universal clamp is provided on the lifting end of the lifting device, and a clamping assembly is provided on the universal clamp on the lifting end of the lifting device; the present invention can be compatible and stably positioned for airborne equipment of different specifications and shapes, thereby improving the compatibility of positioning and fixing airborne equipment and ensuring the stability of the airborne equipment during the operation of the aircraft.

Description

Technical Field

[0001] The present invention belongs to the technical field of airborne limiting and locking devices, and in particular relates to an airborne equipment limiting and locking device. Background Art

[0002] Typically, in the field of aviation airborne equipment, airborne equipment is secured to the equipment compartment via mounting brackets. The mounting brackets are typically secured to the equipment compartment via mounting screw holes, and the airborne equipment is then secured to the mounting brackets. Once the airborne equipment is installed in the mounting brackets, they must be locked in place. This also ensures that the equipment can be easily removed for repairs and replacements. During normal operation, the equipment must withstand long-term mechanical influences such as vibration and impact. Over extended periods of operation, the mounting brackets can easily become loose, causing the locking points to loosen, potentially causing the airborne equipment to become loose, impacting product functionality and creating potential safety hazards.

[0003] In order to ensure the stability of airborne equipment during the operation of the aircraft, it is necessary to use a limit locking device to position and fix the airborne equipment. Existing limit locking devices usually only use simple positioning pins, positioning seats, etc. to directly connect with the airborne equipment to position and fix the airborne equipment. However, traditional limit locking devices can only position and fix airborne equipment with a single specification and shape and relatively regular shape. When the specifications of the airborne equipment change, the shape is more special, or it is in a relatively narrow working space, the use of traditional positioning pins, positioning seats and other connectors cannot be compatible with airborne equipment of different specifications and shapes for effective positioning and fixation. At the same time, when the working space is narrow, the traditional limit locking device cannot effectively position and fix the airborne equipment according to the special posture requirements in the narrow space. Summary of the Invention

[0004] The purpose of the present invention is to provide an airborne equipment limiting and locking device that can perform six-degree-of-freedom positioning and fixing of airborne equipment of different specifications and shapes, thereby improving the compatibility of the limiting and locking device for positioning and fixing different airborne equipment, and effectively ensuring the stability of the airborne equipment during aircraft operation.

[0005] The present invention is achieved through the following technical solutions:

[0006] A limiting and locking device for airborne equipment includes an L-shaped mounting seat, wherein universal clamps are provided on the vertical section of the L-shaped mounting seat and on the end of the horizontal section away from the vertical section, the universal clamp on the universal clamp on the vertical section is provided with a positioning pin assembly, and the universal clamp on the universal clamp provided on the end of the horizontal section away from the vertical section is provided with a gear locker; a lifting device is provided on the horizontal section of the L-shaped mounting seat at a position between the positioning pin assembly and the gear locker, a universal clamp is provided on the lifting end of the lifting device, and a clamping assembly is provided on the universal clamp on the lifting end of the lifting device.

[0007] The top end surface of the horizontal section of the L-shaped mounting seat is a support surface for supporting the airborne equipment. The vertical section of the L-shaped mounting seat is provided at one end of the horizontal section for limiting the position of the airborne equipment placed on the horizontal section within the plane, so as to prevent the recording equipment from moving over a large range on the horizontal section. A universal clamp is provided on the vertical section of the L-shaped mounting seat, and a universal rotating clamp on the clamping end of the universal clamp holds a positioning pin assembly, and the positioning pin assembly is provided corresponding to the positioning hole on the airborne equipment. Through the universal rotating connection between the positioning pin assembly and the universal clamp, the inclination angle of the positioning pin assembly can be flexibly adjusted to adapt to the corresponding connection of different positioning holes on different airborne equipment. When the installation inclination angle adjustment of the positioning pin assembly is completed, the universal clamp is locked to fix the inclination angle of the positioning pin assembly, and then the positioning pin assembly can be connected to the positioning hole on the airborne equipment to realize the positioning of the airborne equipment.

[0008] After the airborne equipment is initially positioned using the locating pin assembly, the gear locker at the other end of the horizontal section is used to secure the equipment in place to further enhance its installation stability. Similarly, the universal rotational connection between the universal clamp and the gear locker allows for flexible adjustment of the gear locker's installation angle, allowing the gear locker's fastening surface to correspond to the different inclinations of the positioning surfaces on different airborne equipment. Once the gear locker's inclination is adjusted, the universal clamp is tightened to fix the inclination of the gear locker's fastening surface. The gear locker can then be used to secure the positioning surface on the airborne equipment.

[0009] After the two ends of the airborne equipment are positioned and fixed by the locating pin assembly and the gear locker respectively, in order to prevent the airborne equipment from moving in the vertical direction, the airborne equipment is clamped and fixed from top to bottom by the clamping assembly arranged between the locating pin assembly and the gear locker. First, the height of the universal clamp and the clamping assembly is adjusted by the lifting device to adapt to the compatible clamping of airborne equipment of different heights. After the height adjustment of the universal clamp and the clamping assembly is completed, the inclination angle of the clamping group relative to the clamping surface of the airborne equipment can be adjusted through the universal rotation connection between the universal clamp and the clamping assembly, so that the clamping end of the clamping device can be set according to the clamping surface on different airborne equipment. After the inclination angle of the clamping assembly is adjusted, the universal clamp is locked to fix the inclination angle of the clamping assembly, and then the airborne equipment can be clamped and fixed from top to bottom by the clamping assembly. Through the cooperation of the locating pin assembly, the clamping assembly and the gear locker, the positioning and fixation of airborne components of different specifications and shapes in six degrees of freedom can be achieved, effectively ensuring the stability of the airborne equipment.

[0010] In order to better realize the present invention, further, the universal clamp includes a clamp seat, a petal-shaped chuck, and an extrusion sleeve. A petal-shaped chuck that can approach and move away from each other is slidably provided on one side of the clamp seat, and a clamping space is formed between adjacent petal-shaped chucks; an extrusion sleeve is threadedly installed on the other side of the clamp seat, one end of the extrusion sleeve is sleeved on the outside of the petal-shaped chuck, and a first extrusion inclined surface is provided on the inner wall of the extrusion sleeve, and a second pressure inclined surface cooperating with the first extrusion inclined surface is provided on the outer surface of the petal-shaped chuck.

[0011] In order to better realize the present invention, further, a linear slide groove is provided on one side of the clamp seat, and petal-shaped clamps are slidingly provided at both ends of the linear slide groove; a slider slidingly connected to the linear slide groove is provided at one end of the petal-shaped clamp, and an arc-shaped clamping part is provided at the other end of the petal-shaped clamp, and a clamping space is formed between the arc-shaped clamping parts of adjacent petal-shaped clamps.

[0012] In order to better implement the present invention, further, a preload spring is provided between adjacent arc-shaped clamping portions.

[0013] In order to better realize the present invention, further, the positioning pin assembly includes a positioning pin body, a universal ball, a locking wedge, and a locking spring. One end of the positioning pin body is provided with a universal ball that is clamped and connected to the universal clamp. A locking ring groove is circumferentially provided on the outer surface of the other end of the positioning pin body. A locking wedge is radially slidingly provided inside the locking ring groove, and a locking spring is provided between the locking wedge and the locking ring groove.

[0014] In order to better implement the present invention, further, a guide chamfer is provided on the outer side surface of the locking wedge.

[0015] In order to better realize the present invention, further, the clamping assembly includes a first universal rod, a second universal rod, and a clamping contact. One end of the first universal rod is universally connected to the universal clamp through a universal ball, and the other end of the first universal rod is provided with a universal sleeve; one end of the second universal rod is universally connected to the universal sleeve through a universal ball, and the other end of the second universal rod is provided with a clamping contact.

[0016] In order to better implement the present invention, further, a tightening screw is threadedly installed on the universal sleeve, and one end of the tightening screw extends into the interior of the universal sleeve and contacts the side surface of the universal ball inside the universal sleeve.

[0017] In order to better implement the present invention, further, one end of the gear locker is connected to the universal clamp via a universal ball for corresponding universal rotation.

[0018] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0019] (1) The present invention provides a universal clamp at one end of the vertical section and the horizontal section of the L-shaped mounting seat, and the universal clamp on the vertical section universally rotates to clamp the positioning pin assembly, and the universal clamp at the end of the horizontal section universally rotates to clamp the gear locker; through the universal rotation connection structure, the inclination angle of the positioning pin assembly and the gear locker can be flexibly adjusted, so that the positioning pin assembly and the gear locker can be compatible with the positioning holes and positioning surfaces at various positions on airborne equipment of different specifications and shapes for positioning and fixing, while effectively ensuring the stability of the airborne equipment;

[0020] (2) The present invention provides a lifting device at a position between the positioning pin assembly and the gear locker, and provides a universal clamp on the lifting end of the lifting device, and the universal clamp is used to universally rotate and clamp the pressing assembly; first, the installation height of the universal clamp and the pressing assembly is flexibly adjusted by lifting the lifting device to adapt to the positioning of airborne equipment of different heights; at the same time, the inclination angle of the pressing assembly can be flexibly adjusted through the universal rotation connection structure between the universal clamp and the pressing assembly, so that the pressing assembly can be compatible with the fastening surfaces of different inclination angles on the airborne equipment for tightening and positioning, and then cooperate with the positioning pin assembly and the gear locker to perform six-degree-of-freedom positioning and fixing of the airborne equipment;

[0021] (3) Since the inclination angles of the positioning pin assembly, gear locker, and clamping assembly can be flexibly adjusted to suit the specifications and shape of the airborne equipment, the limit locking device can meet the positioning and fixation requirements of the special posture of the airborne equipment in a narrow environment, and the working environment is more extensive. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall structure of the airborne equipment limit locking device;

[0023] Figure 2 for Figure 1 A local enlarged view of point A;

[0024] Figure 3 is a structural diagram of a positioning pin assembly;

[0025] Figure 4 for Figure 1 A partial enlarged view of point B.

[0026] Among them: 1-L-shaped mounting seat; 2-universal clamp; 3-locating pin assembly; 4-gear locker; 5-lifting device; 6-clamping assembly; 21-clamp seat; 22-petal-shaped clamp; 23-extrusion sleeve; 31-locating pin body; 32-locking wedge; 33-locking spring; 61-first universal rod; 62-second universal rod; 63-clamping contact; 111-first extrusion slope; 222-second pressure slope. DETAILED DESCRIPTION

[0027] Example 1:

[0028] A limiting locking device for airborne equipment in this embodiment, such as Figure 1 As shown, it includes an L-shaped mounting seat 1, and a universal clamp 2 is provided on the vertical section of the L-shaped mounting seat 1 and on the end of the horizontal section away from the vertical section. The universal clamp 2 on the vertical section is provided with a positioning pin assembly 3, and the universal clamp 2 provided on the end of the horizontal section away from the vertical section is provided with a gear locker 4; a lifting device 5 is provided at a position between the positioning pin assembly 3 and the gear locker 4 on the horizontal section of the L-shaped mounting seat 1, and a universal clamp 2 is provided on the lifting end of the lifting device 5, and a clamping assembly 6 is provided on the universal clamp 2 on the lifting end of the lifting device 5.

[0029] The L-shaped mounting base 1 is fixedly installed inside the cabin by connecting bolts. The top of the horizontal section of the L-shaped mounting base 1 is the positioning end surface for supporting and fixing the airborne equipment. At the same time, the recording equipment on the horizontal section is limited on the horizontal plane through the vertical section to prevent the airborne equipment from moving significantly.

[0030] After placing the airborne device on the horizontal section of the L-shaped mounting base 1, the universal clamp 2 on the vertical section universally holds the positioning pin assembly 3, which is then connected to the positioning hole on the airborne device. The universal rotational connection between the universal clamp 2 and the positioning pin assembly 3 allows for flexible adjustment of the inclination angle of the positioning pin assembly 3, allowing the positioning pin assembly 3 to be adjusted to the corresponding docking position for the positioning holes of different inclination angles on the airborne device. The adjusted positioning pin assembly 3 can then be locked and connected to the positioning hole on the airborne device, achieving pre-positioning of the airborne device.

[0031] The gear locker 4, which is universally clamped by the universal clamp 2 at the other end of the horizontal section, is then positioned and locked on the other end of the airborne device. The universal rotation connection between the universal clamp 2 and the gear locker 4 allows for flexible adjustment of the installation angle of the gear locker 4, allowing the fastening surface of the gear locker 4 to correspond to the positioning surfaces of the airborne device at different angles. The gear locker 4, after the inclination adjustment, can then be locked, and the fastening surface of the gear locker 4 can be used to press against the positioning surface on the airborne device, thereby achieving the positioning and fixation of the airborne device in the horizontal plane.

[0032] The airborne equipment is then positioned and fixed vertically using the clamping assembly 6, which is located between the gear locker 4 and the positioning pin assembly 3, to prevent the airborne equipment from violently moving in the vertical direction. First, the universal clamp 2 and the clamping assembly 6 are raised and lowered to a suitable height using the lifting device 5. The inclination angle of the clamping assembly 6 is then adjusted using the universal rotating connection structure between the universal clamp 2 and the clamping assembly 6, so that the clamping end of the clamping assembly 6 corresponds to the clamping surfaces of different inclinations on the top of the airborne equipment. The clamping surface on the airborne equipment can then be compressed and fixed by the clamping device 6, thereby achieving vertical positioning and fixation of the airborne equipment.

[0033] Through the above positioning structure, effective positioning and fixation of airborne equipment of different specifications and shapes in six degrees of freedom can be achieved, so that the airborne equipment can remain stable during the operation of the aircraft.

[0034] Example 2:

[0035] This embodiment is further optimized based on embodiment 1. Figure 2 As shown, the universal clamp 2 includes a clamp seat 21, a petal-shaped clamp 22, and an extrusion sleeve 23. The petal-shaped clamp 22 that can move closer to and away from each other is slidably provided on one side of the clamp seat 21, and a clamping space is formed between adjacent petal-shaped clamps 22; an extrusion sleeve 23 is threadedly installed on the other side of the clamp seat 21, one end of the extrusion sleeve 23 is sleeved on the outside of the petal-shaped clamp 22, and a first extrusion slope 111 is provided on the inner wall of the extrusion sleeve 23, and a second pressure slope 222 that cooperates with the first extrusion slope 111 is provided on the outer surface of the petal-shaped clamp 22.

[0036] The clamp seat 21 is fixedly connected to the L-shaped mounting seat 1 by connecting bolts. A threaded hole for threaded installation of the extrusion sleeve 23 is provided on one side of the clamp seat 21, and an external thread is provided on the outer surface of the extrusion sleeve 23 corresponding to the internal thread of the threaded hole. Petal-shaped chucks 22 located inside the extrusion sleeve 23 are provided with linear sliding on both sides of the bottom end face of the threaded hole, and the petal-shaped chucks 22 on both sides can slide towards or away from each other. A first extrusion bevel 111 is provided on the inner wall of the extrusion sleeve 23, and a second pressure bevel 222 is provided on the outer wall of the petal-shaped chuck 22. When the first extrusion bevel 111 does not contact and press the second pressure bevel 222, the petal-shaped chucks 22 on both sides of the ears are in a loose state and do not clamp the components inside the clamping space. By rotating the extrusion sleeve 23, the extrusion sleeve 23 is moved linearly in the threaded hole, so that the first extrusion bevel 111 on the inner wall of the extrusion sleeve 23 squeezes the second pressure bevel 222 on the outer surface of the petal-shaped clamp 22, thereby forcing the petal-shaped clamps 22 on both sides to slide close to each other until the component located inside the clamping space is clamped and locked.

[0037] Furthermore, a linear slide is provided on one side of the clamp seat 21, with petal-shaped clamps 22 slidably disposed at each end of the linear slide. A slider is provided at one end of each petal-shaped clamp 22, which is slidably connected to the linear slide. An arc-shaped clamping portion is provided at the other end of each petal-shaped clamp 22, forming a clamping space between the arc-shaped clamping portions of adjacent petal-shaped clamps 22. The arc-shaped clamping portions extend to the outside of the extrusion sleeve 23 to avoid interference with the movement of the extrusion sleeve 23.

[0038] Furthermore, a preload spring is provided between adjacent arc-shaped clamping portions. Reverse rotation of the extrusion sleeve 23 causes the first extrusion slope 111 to no longer compress the second pressure slope 222, thereby loosening the adjacent petal-shaped clamps 22. To prevent components within the clamping space from falling out directly after the petal-shaped clamps 22 loosen, a preload spring is provided between two adjacent petal-shaped clamps 22. The preload spring maintains a certain preload force between the adjacent petal-shaped clamps 22, allowing the petal-shaped clamps 22 to preload and clamp the components within the clamping space.

[0039] The rest of this embodiment is the same as that of the above-mentioned embodiment 1, and therefore will not be described in detail.

[0040] Example 3:

[0041] This embodiment is further optimized based on the above embodiment 1 or 2. Figure 3 As shown, the locating pin assembly 3 includes a locating pin body 31, a universal ball, a locking wedge 32, and a locking spring 33. One end of the locating pin body 31 is provided with a universal ball that is clamped and connected to the universal clamp 2. A locking ring groove is circumferentially provided on the outer surface of the other end of the locating pin body 31. A locking wedge 32 is radially slidingly provided inside the locking ring groove. A locking spring 33 is provided between the locking wedge 32 and the locking ring groove.

[0042] When the locating pin body 31 is mated with the locating hole on the airborne equipment, the locking wedge 32 on the outside of the locating pin body 31 is compressed and retracts into the inner side of the locking ring groove. At this time, the locking spring 33 is in a compressed state. Until the retracted locking wedge 32 completely passes through the locating hole, the locking wedge 32 is no longer squeezed by the inner wall of the locating hole. The locking spring 33 rebounds and drives the locking wedge 32 to re-extend from the locking ring groove, thereby locking the end of the locating pin body 31 inside the locating hole, effectively preventing the locating pin body 31 from falling out of the locating hole.

[0043] Furthermore, a guide chamfer is provided on the outer surface of the locking wedge 32. By providing the chamfer, the end surface of the positioning hole squeezes the guide chamfer, so that the locking wedge 32 can retract more smoothly, thereby effectively avoiding the locking wedge 32 from being directly stuck.

[0044] The rest of this embodiment is the same as that of the above-mentioned embodiment 1 or 2, and thus will not be described in detail.

[0045] Example 4:

[0046] This embodiment is further optimized based on any one of the above embodiments 1-3. Figure 4 As shown, the clamping assembly 6 includes a first universal rod 61, a second universal rod 62, and a clamping contact 63. One end of the first universal rod 61 is universally rotatably connected to the universal clamp 2 through a universal ball, and the other end of the first universal rod 61 is provided with a universal sleeve; one end of the second universal rod 62 is universally rotatably connected to the universal sleeve through a universal ball, and the other end of the second universal rod 62 is provided with a clamping contact 63.

[0047] The lifting mechanism 5 comprises a lifting screw that is rotatably mounted on the horizontal section of the L-shaped mounting base 1. A lifting nut seat is threaded onto the lifting screw. One side of the lifting nut seat is slidably connected to the vertical section of the L-shaped mounting base 1. The other side of the lifting nut seat is provided with a universal clamp 2. Rotating the lifting screw drives the lifting nut seat and universal clamp 2 vertically, thereby adjusting the height of the universal clamp 2 and the clamping assembly 6 to accommodate airborne equipment of varying heights.

[0048] The inclination angle of the first universal rod 61 is adjusted by rotating the universal ball. The inclination angle of the second universal rod 62 is adjusted by rotating the universal ball. The coordinated inclination adjustment of the first and second universal rods 61 and 62 allows the pressing contact 63 to have a wider range of inclination adjustment. After the inclination angles of the first and second universal rods 61 and 62 are adjusted, the first and second universal rods 61 and 62 can be locked together. The pressing contact 63 can then press against the pressing surface on the airborne equipment to secure the airborne equipment.

[0049] Furthermore, a locking screw is threadedly mounted on the universal sleeve, one end of which extends into the interior of the universal sleeve and contacts the side of the universal ball inside the sleeve. By rotating the locking screw, the end of the locking screw presses against the side of the universal ball, thereby fixing the inclination angle of the second universal rod 62.

[0050] The rest of this embodiment is the same as any of the above embodiments 1-3, so it will not be repeated here.

[0051] Example 5:

[0052] This embodiment is further optimized based on any one of the above embodiments 1-4. Figure 1As shown, one end of the gear locker 4 is universally connected to the universal clamp 2 through a universal ball, and the universal ball is universally rotated inside the clamping space formed by the petal-shaped clamps 22. When adjacent petal-shaped clamps 22 move closer to each other, the universal ball inside the clamping space is clamped and fixed by the petal-shaped clamps 22, thereby achieving the fixation of the inclination angle of the gear locker 4.

[0053] The rest of this embodiment is the same as any of the above embodiments 1-4, so it will not be repeated here.

[0054] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification or equivalent change made to the above embodiment based on the technical essence of the present invention shall fall within the scope of protection of the present invention.

Claims

1. A limiting locking device for airborne equipment, comprising an L-shaped mounting seat (1), characterized in that: A universal clamp (2) is provided on the vertical section of the L-shaped mounting seat (1) and on the end of the horizontal section away from the vertical section; a positioning pin assembly (3) is provided on the universal clamp (2) on the vertical section; a gear locker (4) is provided on the universal clamp (2) provided on the end of the horizontal section away from the vertical section; a lifting device (5) is provided on the horizontal section of the L-shaped mounting seat (1) at a position between the positioning pin assembly (3) and the gear locker (4); a universal clamp (2) is provided on the lifting end of the lifting device (5); and a pressing assembly (6) is provided on the universal clamp (2) on the lifting end of the lifting device (5).

2. The airborne equipment limiting and locking device according to claim 1, characterized in that: The universal clamp (2) comprises a clamp seat (21), a petal-shaped clamp (22), and an extrusion sleeve (23). The petal-shaped clamp (22) that can move closer to or farther from each other is slidably provided on one side of the clamp seat (21), and a clamping space is formed between adjacent petal-shaped clamps (22). The extrusion sleeve (23) is threadedly installed on the other side of the clamp seat (21), one end of the extrusion sleeve (23) is sleeved on the outside of the petal-shaped clamp (22), and a first extrusion inclined surface (111) is provided on the inner wall of the extrusion sleeve (23), and a second pressure inclined surface (222) that cooperates with the first extrusion inclined surface (111) is provided on the outer surface of the petal-shaped clamp (22).

3. The airborne equipment limiting and locking device according to claim 2, characterized in that: A linear slide is provided on one side of the clamp seat (21), and petal-shaped clamps (22) are slidably provided at both ends of the linear slide; a slider slidably connected to the linear slide is provided at one end of the petal-shaped clamp (22), and an arc-shaped clamping portion is provided at the other end of the petal-shaped clamp (22), and a clamping space is formed between the arc-shaped clamping portions of adjacent petal-shaped clamps (22).

4. The airborne equipment limiting and locking device according to claim 3, characterized in that: Preload springs are arranged between adjacent arc-shaped clamping parts.

5. The airborne equipment limiting and locking device according to any one of claims 1 to 4, characterized in that: The positioning pin assembly (3) comprises a positioning pin body (31), a universal ball, a locking wedge (32), and a locking spring (33). One end of the positioning pin body (31) is provided with a universal ball corresponding to the universal clamp (2), and a locking ring groove is provided on the outer surface of the other end of the positioning pin body (31) along the circumferential direction. A locking wedge (32) is provided in the interior of the locking ring groove so as to slide radially, and a locking spring (33) is provided between the locking wedge (32) and the locking ring groove.

6. The airborne equipment limiting and locking device according to claim 5, characterized in that: A guide chamfer is provided on the outer side surface of the locking wedge (32).

7. The airborne equipment limiting and locking device according to any one of claims 1 to 4, characterized in that: The clamping assembly (6) comprises a first universal rod (61), a second universal rod (62), and a clamping contact (63); one end of the first universal rod (61) is universally rotatably connected to the universal clamp (2) via a universal ball, and the other end of the first universal rod (61) is provided with a universal sleeve; one end of the second universal rod (62) is universally rotatably connected to the universal sleeve via a universal ball, and the other end of the second universal rod (62) is provided with a clamping contact (63).

8. The airborne equipment limiting and locking device according to claim 7, characterized in that: A tightening screw is threadedly mounted on the universal sleeve, and one end of the tightening screw extends into the interior of the universal sleeve and contacts the side surface of the universal ball inside the universal sleeve.

9. The airborne equipment limiting and locking device according to any one of claims 1 to 4, characterized in that: One end of the gear locker (4) is connected to the universal clamp (2) via a universal ball for corresponding universal rotation.

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