Low-altitude flight unmanned aerial vehicle undercarriage
By adopting a combination of split structure and damper in the drone landing gear, the problem of lack of buffer protection in the landing gear in the prior art is solved, and efficient puncture and buffering is achieved during the lifting and landing of the drone, extending the service life and improving the normal use rate.
Patent Information
- Application Number
- CN202422226614.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-11
- Publication Date
- 2025-05-02
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing drone landing gear lacks an effective buffer protection structure, which causes the landing gear to penetrate easily if there are sharp objects on the ground during low-altitude flight, causing puncture damage to the drone body and affecting subsequent use.
A low-altitude flight drone landing gear is designed, using a base and cover body with a split structure, combined with a damper and a motor-driven connection block to form a landing gear structure that disperses the impact. Through the buffering and leakage force of the damper and the motor-driven connection block flip, efficient puncture and buffering of the drone during lifting and landing are achieved.
It effectively avoids puncture damage caused by foreign objects on the ground when landing, significantly extends the service life of the landing gear, and improves the normal use rate of the drone.
Smart Images

Figure CN222820281U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of unmanned aerial vehicle landing gear, in particular to a low-altitude flying unmanned aerial vehicle landing gear. Background Art
[0002] Unmanned aerial vehicles, also known as "drones", are unmanned aircraft that are controlled by radio remote control equipment and self-contained program control devices, or are operated completely or intermittently autonomously by on-board computers. When drones are flying at low altitudes, landing gear is often used to assist the drone's take-off and landing operations.
[0003] When the existing landing gear is in use, due to the lack of an effective buffer protection structure, when the drone is landing, if there are sharp objects on the ground, it is easy for them to directly penetrate the landing gear and cause puncture damage to the drone body, which will affect the normal use of the subsequent drone due to the puncture damage.
[0004] Therefore, in view of the deficiencies in the actual production and implementation of the above-mentioned scheme, it is revised and improved. At the same time, in the spirit and concept of seeking excellence, with the assistance of professional knowledge and experience, and after many ingenuity and experiments, the utility model is created, and a low-altitude flying UAV landing gear is provided to solve the problem that the existing low-altitude flying UAV landing gear lacks an effective buffer protection structure, so that when the UAV lands, if there are sharp objects on the ground, it is easy to directly penetrate the landing gear and cause puncture damage to the UAV body, which will affect the normal use of the subsequent UAV due to the puncture damage. Summary of the invention
[0005] The utility model provides a landing gear for a low-altitude flying UAV, which solves the problem in the prior art that due to the lack of an effective buffer protection structure, when the UAV is landing, if there are sharp objects on the ground, it is easy to directly penetrate the landing gear and cause puncture damage to the UAV body, which will affect the normal use of the subsequent UAV due to the puncture damage.
[0006] The technical solution of the utility model is implemented as follows: a low-altitude flying UAV landing gear comprises a base, a mounting plate is fixedly connected to the outer side of the base, and a mounting hole is provided inside the mounting plate, and a steel plate is fixedly connected to the bottom end of the base, and a cushion block is also fixedly connected to the top surface of the base, and a cover body is installed at the top of the base, a heat dissipation groove is provided inside the cover body, and a fixing bolt is screwed inside the cover body, a damper is fixedly connected to the bottom end surface of the base, a connecting frame is fixedly connected to the bottom end of the damper, and a side plate is fixedly connected to the outer side of the connecting frame, a motor is installed on the outer side of the side plate, and a connecting block is installed on the output end of the motor, and the bottom end of the connecting block is fixedly connected to the support frame, and the bottom end of the support frame is fixedly connected to the bracket:
[0007] As a preferred embodiment, the main body of the base is a U-shaped structure with a one-way opening at the top, and there are four mounting plates in total, wherein every two laterally adjacent mounting plates form a group, and the two groups of mounting plates are fixedly connected to the base and the left and right side surfaces of the cover body in a linear array, and the base and the mounting plates together constitute a mounting structure.
[0008] As a preferred embodiment, there are eight dampers in total, wherein every two longitudinally adjacent dampers form a group, and four groups of dampers are respectively fixedly connected to the four corners of the bottom end surface of the base, and the bottom ends of the four groups of dampers are fixedly connected to a connecting frame.
[0009] As a preferred embodiment, the main body of the connecting frame is a U-shaped structure with a one-way opening at the bottom, and the side plate is a circular structure. The diameter of the side plate is larger than the diameter of the connecting frame, and the connecting frame and the inner side of the side plate are rotatably connected to a connecting block and driven by a motor.
[0010] As a preferred embodiment, the support frames are provided at four locations, wherein every two longitudinally adjacent support frames form a group, and the two groups of support frames are arranged opposite to each other.
[0011] As a preferred embodiment, the length of the bracket fixedly connected to the outer sides of the two groups of support frames is greater than the spacing in each group of support frames, and the bracket and the support frame together constitute the landing gear structure of the drone.
[0012] After using the above technical solution, the beneficial effects of the utility model are:
[0013] 1. In the utility model, a damper fixedly connected between the connecting frame and the base is provided, so that when the UAV is landing, when the bracket fixedly connected to the outside of the supporting frame contacts the landing ground or landing platform, the damper can be used to buffer and release force to avoid impact damage to the UAV body and the landing gear body. This design can significantly extend the service life of the landing gear, thereby achieving a more practical purpose.
[0014] 2. In the utility model, by providing a base and a cover with a split structure, when the landing gear is being installed, the base and the cover can be installed on the lower side and the upper side of the UAV body respectively, and after the base is assembled, efficient anti-puncture operation can be achieved by utilizing the setting of a steel plate fixedly connected to the bottom end surface of the base. This design can prevent the UAV body from being damaged by foreign objects on the ground when the UAV is landing. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0016] Figure 1 This is a schematic diagram of the structure of the UAV landing gear of the utility model viewed from the side;
[0017] Figure 2 It is a schematic diagram of the top and side view of the structure of the landing gear of the UAV of the utility model;
[0018] Figure 3 This is a front structural diagram of the UAV landing gear of the utility model;
[0019] Figure 4 This is a schematic diagram of the combined structure of the cover and heat dissipation slot of the UAV landing gear of the utility model;
[0020] Figure 5 This is a schematic diagram of the combined structure of the base and mounting plate of the UAV landing gear of the utility model;
[0021] Figure 6 This is a schematic diagram of the combined structure of the support frame and bracket of the UAV landing gear of the utility model;
[0022] In the figure, 1, base; 101, mounting plate; 102, mounting hole; 103, steel plate; 104, cushion block; 2, cover; 201, heat sink; 202, fixing bolt; 3, damper; 301, connecting frame; 302, side panel; 303, motor; 304, connecting block; 305, support frame; 306, bracket. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] like Figure 1-Figure 6As shown, a low-altitude flying UAV landing gear includes: a base 1, a mounting plate 101 is fixedly connected to the outer side of the base 1, and a mounting hole 102 is opened inside the mounting plate 101, and a steel plate 103 is fixedly connected to the bottom end of the base 1, and a cushion block 104 is also fixedly connected to the top surface of the base 1, and a cover body 2 is installed on the top of the base 1, a heat dissipation groove 201 is opened inside the cover body 2, and a fixing bolt 202 is screwed inside the cover body 2, and a damper 3 is fixedly connected to the bottom end of the base 1, and the bottom end of the damper 3 is fixedly connected to A connecting frame 301 is provided, and a side plate 302 is fixedly connected to the outer side of the connecting frame 301, a motor 303 is installed on the outer side of the side plate 302, and a connecting block 304 is installed on the output end of the motor 303, and a supporting frame 305 is fixedly connected to the bottom end of the connecting block 304, and a bracket 306 is fixedly connected to the bottom end of the supporting frame 305, and the length of the bracket 306 fixedly connected to the outer sides of the two groups of supporting frames 305 is greater than the spacing in each group of supporting frames 305, and the bracket 306 and the supporting frame 305 together constitute the landing gear structure of the UAV.
[0025] Among them, the main body of the base 1 is a U-shaped structure with a one-way opening at the top, and there are four mounting plates 101, wherein every two laterally adjacent mounting plates 101 form a group, and the two groups of mounting plates 101 are fixedly connected to the base 1 and the left and right side surfaces of the cover body 2 in a linear array, and the base 1 and the mounting plates 101 together constitute a mounting structure, and there are eight dampers 3, wherein every two longitudinally adjacent dampers 3 form a group, and four groups of dampers 3 are respectively fixedly connected to the four corners of the bottom end surface of the base 1, and the bottom ends of the four groups of dampers 3 are fixedly connected with connecting frames 301.
[0026] Among them, the main body of the connecting frame 301 is a U-shaped structure with a one-way opening at the bottom, and the side plate 302 is a circular structure. The diameter of the side plate 302 is larger than the diameter of the connecting frame 301, and the inner side of the connecting frame 301 and the side plate 302 are rotatably connected with a connecting block 304, and are driven to rotate by a motor 303. There are four support frames 305 in total, wherein every two longitudinally adjacent support frames 305 form a group, and the two groups of support frames 305 are arranged opposite to each other.
[0027] When in use, when the landing gear is installed, the base 1 is installed below the drone body, and the cover body 2 is simultaneously covered to the upper position of the drone body, and the base 1 is aligned with the mounting plate 101 fixedly connected to the outside of the cover body 2, and the base 1 and the cover body 2 are limited and fixed by screwing the fixing bolt 202 to the inner position of the mounting hole 102 opened in the mounting plate 101. After the limited fixation is completed, the cushion block 104 fixedly connected to the top surface of the base 1 can be used for flexible support, and the connection block 304 can be turned over by starting the motor 303 installed on the outside of the side plate 302;
[0028] When the connecting block 304 is flipped, it can synchronously drive the support frame 305 and the bracket 306 fixedly connected to its outside to perform synchronous unfolding operations, and can be placed on the ground by utilizing the bracket 306 fixedly connected to the bottom end surface of the support frame 305. After the placement is completed, the lower end of the drone can be protected by utilizing the setting of the steel plate 103 fixedly connected to the bottom end surface of the base 1. When the drone is taking off and landing, the setting of the damper 3 arranged between the connecting frame 301 and the base 1 can be utilized to achieve efficient force release and buffering operations, thereby achieving a more practical purpose.
Claims
1. A low-altitude flying UAV landing gear, characterized in that: The invention comprises a base (1), wherein a mounting plate (101) is fixedly connected to the outside of the base (1), a mounting hole (102) is provided inside the mounting plate (101), a steel plate (103) is fixedly connected to the bottom end of the base (1), a cushion block (104) is also fixedly connected to the top surface of the base (1), a cover (2) is installed on the top end of the base (1), a heat dissipation groove (201) is provided inside the cover (2), a fixing bolt (202) is screwed inside the cover (2), and the base (1) is fixedly connected to the bottom end of the base (1). A damper (3) is fixedly connected to the bottom end surface of (1), a connecting frame (301) is fixedly connected to the bottom end of the damper (3), a side plate (302) is fixedly connected to the outside of the connecting frame (301), a motor (303) is installed on the outside of the side plate (302), a connecting block (304) is installed on the output end of the motor (303), a supporting frame (305) is fixedly connected to the bottom end of the connecting block (304), and a bracket (306) is fixedly connected to the bottom end of the supporting frame (305).
2. A low-altitude flying UAV landing gear according to claim 1, characterized in that: The main body of the base (1) is a U-shaped structure with a one-way opening at the top, and the mounting plates (101) are provided at four locations, wherein two transversely adjacent mounting plates (101) form a group, and the two groups of mounting plates (101) are fixedly connected to the base (1) and the left and right side surfaces of the cover body (2) in a linear array, and the base (1) and the mounting plates (101) together form a mounting structure.
3. A low-altitude flying UAV landing gear according to claim 1, characterized in that: The dampers (3) are provided at eight locations in total, wherein every two longitudinally adjacent dampers (3) form a group, and four groups of dampers (3) are respectively fixedly connected to the four corners of the bottom end surface of the base (1), and the bottom ends of the four groups of dampers (3) are all fixedly connected to a connecting frame (301).
4. A low-altitude flying UAV landing gear according to claim 3, characterized in that: The main body of the connecting frame (301) is a U-shaped structure with a one-way opening at the bottom, and the side plate (302) is a circular structure. The diameter of the side plate (302) is larger than the diameter of the connecting frame (301), and the inner sides of the connecting frame (301) and the side plate (302) are rotatably connected to a connecting block (304) and are driven to rotate by a motor (303).
5. The low-altitude flying UAV landing gear according to claim 1, characterized in that: The support frames (305) are provided at four locations in total, wherein two longitudinally adjacent support frames (305) form a group, and the two groups of support frames (305) are arranged opposite to each other.
6. A low-altitude flying UAV landing gear according to claim 5, characterized in that: The length of the bracket (306) fixedly connected to the outer sides of the two groups of support frames (305) is greater than the spacing in each group of support frames (305), and the bracket (306) and the support frames (305) together form the landing gear structure of the drone.