Landing device for low-altitude aircraft

Abstract

The utility model discloses a landing device for a low-altitude aircraft, and belongs to the technical field of aircraft landing devices. A landing device for a low-altitude aircraft comprises a mounting frame, and further comprises a mounting seat, a landing device and a control device, and the mounting seat is connected into the mounting frame in a sliding mode; the supporting rod is rotationally connected into the mounting base, and the supporting rod is arranged in a hollow mode; the mounting groove is formed in the supporting rod, a first spring piece is connected in the mounting groove, a positioning rod is slidably connected in the mounting groove, and one end of the positioning rod is connected with the first spring piece; through the arrangement of the second spring piece and the sliding rod, when the low-altitude aircraft falls to the ground, falling force can be absorbed, meanwhile, along with movement of the sliding rod, the positioning rod can be inserted into the positioning groove subsequently, and damage to the low-altitude aircraft caused by counter-acting force generated by resetting of the second spring piece is avoided.

Description

Technical Field

[0001] This utility model relates to the field of aircraft landing device technology, and in particular to a landing device for low-altitude aircraft. Background Technology

[0002] In the current field of low-altitude aircraft, with the continuous expansion of its application scenarios, such as logistics distribution, surveying and mapping, agricultural plant protection, and film and television shooting, higher requirements have been placed on the performance and maintainability of low-altitude aircraft.

[0003] Currently, most landing devices for low-altitude aircraft (such as drones and small vertical take-off and landing devices) use fixed outriggers or a single spring-cushioned structure. However, when these devices are in use, the sliding outriggers are prone to tilting due to spring rebound when the aircraft lands on complex terrains such as grass or gravel, or the continuous vibration can damage the onboard equipment, which is a certain shortcoming.

[0004] Therefore, a landing device for low-altitude aircraft is provided to solve the problems mentioned above. Utility Model Content

[0005] The purpose of this invention is to solve the problems mentioned in the background art and to provide a landing device for low-altitude aircraft.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A landing device for low-altitude aircraft includes a mounting frame and further includes:

[0008] The mounting base is slidably connected within the mounting bracket;

[0009] A support rod is rotatably connected within the mounting base, and the support rod is hollow.

[0010] A mounting groove is provided on the support rod. A spring component is connected inside the mounting groove. A positioning rod is slidably connected inside the mounting groove. One end of the positioning rod is connected to the spring component.

[0011] A sliding rod is slidably connected inside the support rod, and a second spring is sleeved on the sliding rod. The two ends of the second spring are respectively connected to the sliding rod and the support rod.

[0012] A positioning groove is provided on the sliding rod, and the positioning groove matches the positioning rod. Both the sliding rod and the positioning rod are provided with guide slopes.

[0013] Preferably, the mounting bracket is provided with a sliding groove, and the mounting base is slidably connected in the sliding groove.

[0014] To secure the mounting base, preferably, the mounting base is threaded with mounting bolts, which are used to fix the mounting base to the mounting bracket.

[0015] Preferably, a rotating shaft is connected inside the mounting base, and the support rod is rotatably connected inside the mounting base via the rotating shaft.

[0016] In order to adjust the angle of the support rod, preferably, one end of the rotating shaft passes through the mounting base and extends to the outside, and a locking nut is threaded onto the through end of the rotating shaft to limit the rotation angle of the support rod.

[0017] To facilitate landing stability, preferably, a base is rotatably connected to the end of the support rod that contacts the ground.

[0018] Compared with the prior art, this utility model provides a landing device for low-altitude aircraft, which has the following beneficial effects:

[0019] This invention, through the arrangement of the spring component two and the sliding rod, can absorb the force of descent when the low-altitude aircraft lands. At the same time, as the sliding rod moves, the positioning rod can be inserted into the positioning groove, avoiding the reaction force generated by the reset of the spring component two, which could cause damage to the low-altitude aircraft. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of a landing device for a low-altitude aircraft proposed in this utility model.

[0021] Figure 2 This is a schematic diagram of the mounting frame, mounting base, and support rod in a landing device for a low-altitude aircraft according to the present invention.

[0022] Figure 3 This utility model proposes a landing device for low-altitude aircraft. Figure 2 A schematic diagram of the structure of part A;

[0023] Figure 4 This utility model proposes a landing device for low-altitude aircraft. Figure 2 A structural diagram of section B;

[0024] Figure 5 This is a schematic diagram of the structure of the mounting base, support rod, and sliding rod in a landing device for a low-altitude aircraft proposed in this utility model.

[0025] In the diagram: 1. Mounting bracket; 101. Slide groove; 2. Mounting base; 201. Mounting bolt; 3. Support rod; 301. Mounting groove; 302. Spring component one; 303. Positioning rod; 304. Spring component two; 305. Locking nut; 4. Sliding rod; 401. Positioning groove; 5. Base. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0027] Example:

[0028] Reference Figure 1-5 A landing device for a low-altitude aircraft includes a mounting frame 1, and further includes: a mounting base 2 slidably connected within the mounting frame 1; a support rod 3 rotatably connected within the mounting base 2, the support rod 3 being hollow; a mounting groove 301 disposed on the support rod 3, a spring element 302 connected within the mounting groove 301, a positioning rod 303 slidably connected within the mounting groove 301, one end of the positioning rod 303 being connected to the spring element 302; a sliding rod 4 slidably connected within the support rod 3, a second spring element 304 sleeved on the sliding rod 4, both ends of the second spring element 304 being connected to the sliding rod 4 and the support rod 3 respectively; and a positioning groove 401 disposed on the sliding rod 4. On the upper part, the positioning groove 401 matches the positioning rod 303. Both the sliding rod 4 and the positioning rod 303 are provided with guide slopes. The mounting frame 1 is provided with a sliding groove 101. The mounting seat 2 is slidably connected in the sliding groove 101. The mounting seat 2 is threaded with a mounting bolt 201. The mounting bolt 201 is used to fix the mounting seat 2 on the mounting frame 1. A rotating shaft is connected inside the mounting seat 2. The support rod 3 is rotatably connected inside the mounting seat 2 through the rotating shaft. One end of the rotating shaft passes through the mounting seat 2 and extends to the outside. A locking nut 305 is threaded on the end of the rotating shaft to limit the rotation angle of the support rod 3. A base 5 is rotatably connected to the end of the support rod 3 that contacts the ground.

[0029] When using this device, the positions of the mounting base 2 and the support rod 3 are pre-adjusted through the slide groove 101 to adapt to low-altitude aircraft and facilitate stable landing. Then, the mounting bolts 201 are tightened, and the position of the support rod 3 is adjusted. After the adjustment is completed, the locking nut 305 is tightened to fix the position of the support rod 3.

[0030] When the aircraft lands, the base 5 touches the ground first, and the sliding rod 4 is subjected to a strong impact load, which begins to compress the second spring 304 rapidly downward. As the sliding rod 4 moves downward, the positioning groove 401 descends synchronously, and its guide slope contacts the slope of the positioning rod 303. Then, under the action of the guide slope, the positioning rod 303 moves toward the mounting groove 301, and then compresses the first spring 302. Subsequently, the positioning rod 303 moves until the subsequent positioning groove 401 contacts the positioning rod 303. At this time, under the action of the first spring 302, the positioning rod 303 inserts into the positioning groove 401, completing the fixation of the sliding rod 4 and avoiding secondary damage caused by the rebound of the second spring 304.

[0031] After the landing is completed, the low-altitude aircraft can be picked up, and then the positioning rod 303 can be pulled. At this time, under the action of the spring component 304, the sliding rod 4 will be reset, making it convenient for the next use.

[0032] It should be noted that the sliding rod 4 and the positioning rod 303 can only be displaced axially and cannot rotate on their own, so that the positioning rod 303 can be inserted into the positioning groove 401 later.

[0033] This invention, through the arrangement of spring element 304 and sliding rod 4, can absorb the force of descent when the low-altitude aircraft lands. At the same time, as the sliding rod 4 moves, the positioning rod 303 can be inserted into the positioning groove 401, avoiding the reaction force generated by the reset of spring element 304, which could cause damage to the low-altitude aircraft.

[0034] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A landing device for low altitude aircraft comprising a mounting frame (1), characterized in that, Also include: Mounting seat (2), slidingly connected in the mounting frame (1); Supporting rod (3), rotatably connected in the mounting seat (2), the supporting rod (3) is hollowly arranged; Mounting groove (301) is arranged on the supporting rod (3), spring piece one (302) is connected in the mounting groove (301), positioning rod (303) is slidingly connected in the mounting groove (301), one end of the positioning rod (303) is connected with spring piece one (302); Sliding rod (4), slidingly connected in the supporting rod (3), spring piece two (304) is sleeved on the sliding rod (4), both ends of the spring piece two (304) are connected with the sliding rod (4) and the supporting rod (3) respectively; Positioning groove (401) is arranged on the sliding rod (4), the positioning groove (401) is matched with the positioning rod (303), the sliding rod (4) and the positioning rod (303) are both provided with guide inclined surface.

2. A landing device for low altitude aircraft according to claim 1, wherein, The mounting frame (1) is provided with a sliding groove (101), and the mounting seat (2) is slidingly connected in the sliding groove (101).

3. A landing device for low altitude aircraft as claimed in claim 2 wherein, The mounting seat (2) is threadedly connected with a mounting bolt (201), and the mounting bolt (201) is used for fixing the mounting seat (2) on the mounting frame (1).

4. The landing gear for low altitude aircraft of claim 1, wherein, The mounting seat (2) is connected with a rotating shaft, and the supporting rod (3) is rotatably connected in the mounting seat (2) through the rotating shaft.

5. A landing device for low altitude aircraft as claimed in claim 4 wherein, One end of the rotating shaft penetrates through the mounting seat (2) and extends to the outside, and a locking nut (305) is threadedly connected on the penetrating end of the rotating shaft, which is used for limiting the rotation angle of the supporting rod (3).

6. The landing apparatus for low altitude vehicles of claim 1, wherein, The supporting rod (3) is rotatably connected with a base (5) on the end in contact with the ground.

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