Shock absorption undercarriage of surveying and mapping unmanned aerial vehicle

Abstract

The utility model relates to a shock-absorbing undercarriage of a surveying and mapping unmanned aerial vehicle, which belongs to the field of surveying and mapping unmanned aerial vehicles and comprises a surveying and mapping unmanned aerial vehicle body, a synchronizing mechanism is arranged below the surveying and mapping unmanned aerial vehicle body, a shock-absorbing mechanism is arranged inside the synchronizing mechanism, and the synchronizing mechanism comprises a shell. The top of the shell is fixedly connected with the bottom of a surveying and mapping unmanned aerial vehicle body, rotating rods are rotationally installed on the front side wall and the rear side wall of an inner cavity of the shell, synchronous gears are fixedly installed on the outer surfaces of the two rotating rods, and two sliding rods are fixedly installed on the inner top wall of the shell; two synchronous plates are slidably mounted on the outer surfaces of the two sliding rods, and two synchronous racks are fixedly mounted on the opposite sides of the two synchronous plates. According to the shock-absorbing undercarriage of the surveying and mapping unmanned aerial vehicle, by arranging the synchronizing mechanism, the purpose of synchronously buffering the two sides of the undercarriage is achieved, the undercarriage is prevented from inclining, and the landing safety of the unmanned aerial vehicle is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of surveying and mapping unmanned aerial vehicles, in particular to a shock-absorbing landing gear for a surveying and mapping unmanned aerial vehicle. Background Art

[0002] Unmanned aerial vehicles, abbreviated as UAVs, are unmanned aircraft controlled by radio remote control equipment and self-contained program control devices, or operated completely or intermittently autonomously by on-board computers. With the maturity of UAV technology, it has become possible to use UAVs to complete some difficult, dangerous, toxic and harmful tasks that are difficult for humans to complete. UAVs can be used for plant protection, surveying and mapping, photography, high-voltage cable and agricultural and forestry inspections.

[0003] According to the patent with announcement number CN218229401U, a shock-absorbing landing gear for surveying and mapping UAV for surveying and mapping geographic information is proposed. The shock-absorbing landing gear for surveying and mapping UAV for surveying and mapping geographic information is supported by spring two pairs of support rods, so that the UAV is more stable during landing. The bearing plate is doubly supported by spring one and spring three, thereby further improving the temperature resistance of the UAV landing and preventing the UAV from vibrating during landing.

[0004] However, the support rod of the shock-absorbing landing gear of the surveying and mapping UAV for surveying and mapping geographic information can swing to a limited extent through spring 2, while the landing of the UAV needs to be stable, which makes it easy for the UAV to tilt its fuselage during landing, causing the propeller to collide with the ground and cause damage to the surveying and mapping UAV. Therefore, a shock-absorbing landing gear for a surveying and mapping UAV is proposed to solve the above problem. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a shock-absorbing landing gear for surveying and mapping UAVs, which has the advantage of synchronous shock-absorbing landing gear, and solves the problem that the support rod of the shock-absorbing landing gear for surveying and mapping geographic information UAVs can be swung to a limited extent by spring 2, while the UAV needs to land smoothly, which makes it easy for the UAV to tilt its fuselage during landing, causing the propeller to collide with the ground and cause damage to the surveying and mapping UAV.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a shock-absorbing landing gear for a surveying and mapping UAV, comprising a surveying and mapping UAV body, a synchronization mechanism is arranged below the surveying and mapping UAV body, and a shock-absorbing mechanism is arranged inside the synchronization mechanism;

[0007] The synchronization mechanism includes a shell, the top of the shell is fixedly connected to the bottom of the surveying and mapping UAV body, the front and rear side walls of the inner cavity of the shell are rotatably mounted with rotating rods, the outer surfaces of the two rotating rods are fixedly mounted with synchronous gears, the inner top wall of the shell is fixedly mounted with two sliding rods, the outer surfaces of the two sliding rods are slidably mounted with two synchronous plates, the opposite sides of the two synchronous plates are fixedly mounted with two synchronous racks, and the opposite sides of the four synchronous racks are meshed with the outer surfaces of the two synchronous gears;

[0008] The shock absorbing mechanism includes two rotating rods, both ends of which penetrate and extend to the outside of the housing;

[0009] The front and rear side walls of the inner cavity of the shell are both provided with movable holes, the inner surfaces of the two movable holes are rotatably connected to the outer surface of the rotating rod, connecting rods are fixedly installed at both ends of the rotating rod, and the other ends of the two connecting rods are fixedly installed with lifting and lowering rods.

[0010] Furthermore, four shock absorbers are fixedly installed between the inner top wall and the inner bottom wall of the shell, and one end of the four shock absorbers is fixedly connected to the opposite sides of the two synchronization plates respectively.

[0011] Furthermore, the synchronization mechanism is symmetrically distributed on the left and right sides when viewed from top to bottom, and the synchronization mechanism and the shock absorbing mechanism are in a gravity balance state.

[0012] Furthermore, transmission gears are fixedly mounted on the outer surfaces of the two rotating rods, transmission racks are fixedly mounted on the opposite sides of the two synchronous plates, and the outer surfaces of the two transmission gears are respectively meshed with the tops of the two transmission racks.

[0013] Furthermore, a slide bar is fixedly mounted on the inner bottom wall of the shell, and the outer surface of the slide bar is slidably connected to the bottom of the transmission rack.

[0014] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0015] The shock-absorbing landing gear of the surveying and mapping UAV is provided with a synchronization mechanism to achieve the purpose of synchronous buffering on both sides of the landing gear, prevent the landing gear from tilting, and improve the safety of the UAV's take-off and landing. The shock-absorbing mechanism is provided to reduce the shock of the surveying and mapping UAV's take-off and landing, prevent the vibration from causing damage to the UAV, and meet the user's needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 The utility model structure Figure 1 A top view of a cross section;

[0018] Figure 3 It is a three-dimensional diagram of the structural shell of the utility model.

[0019] In the figure: 1. Surveying and mapping UAV body; 2. Synchronous mechanism; 201. Shell; 202. Rotating rod; 203. Synchronous gear; 204. Sliding rod; 205. Synchronous plate; 206. Shock absorber; 207. Synchronous rack; 3. Shock absorbing mechanism; 301. Rotating rod; 302. Connecting rod; 303. Landing rod; 304. Transmission gear; 305. Transmission rack. DETAILED DESCRIPTION

[0020] 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 in 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.

[0021] Example 1: Please refer to Figure 1 and Figure 2 A shock-absorbing landing gear for a surveying and mapping UAV in this embodiment includes a surveying and mapping UAV body 1, a synchronization mechanism 2 is arranged below the surveying and mapping UAV body 1, a shock-absorbing mechanism 3 is arranged inside the synchronization mechanism 2, and the synchronization mechanism 2 is symmetrically distributed on the left and right sides when viewed from top to bottom. The synchronization mechanism 2 and the shock-absorbing mechanism 3 are in a gravity balance state to prevent the landing gear from affecting the flight state of the surveying and mapping UAV body 1.

[0022] Among them, the synchronization mechanism 2 includes a shell 201, the top of the shell 201 is fixedly connected to the bottom of the surveying and mapping UAV body 1, and the front and rear side walls of the inner cavity of the shell 201 are rotatably installed with rotating rods 202, and the outer surfaces of the two rotating rods 202 are fixedly installed with synchronization gears 203.

[0023] Among them, two sliding bars 204 are fixedly installed on the inner top wall of the outer shell 201, and two synchronous plates 205 are slidably installed on the outer surfaces of the two sliding bars 204. The two synchronous plates 205 move to the opposite side through the sliding bars 204. Two synchronous racks 207 are fixedly installed on the opposite side of the two synchronous plates 205. The opposite side of the four synchronous racks 207 is meshed with the outer surfaces of two synchronous gears 203. The two synchronous plates 205 balance the forces on both sides of the landing gear through the synchronous racks 207 and the synchronous gears 203.

[0024] Among them, four shock absorbers 206 are fixedly installed between the inner top wall and the inner bottom wall of the shell 201, and one end of the four shock absorbers 206 is fixedly connected to the opposite sides of the two synchronization plates 205 respectively, and the two synchronization plates 205 are damped by the four shock absorbers 206.

[0025] Specifically, the two synchronization plates 205 move to opposite sides through the sliding rod 204, and the two synchronization plates 205 balance the forces on both sides of the landing gear through the synchronization rack 207 and the synchronization gear 203, so that the buffering angles on both sides of the landing gear are consistent. At the same time, the two synchronization plates 205 are shock-absorbing through four shock absorbers 206 to prevent the landing gear from tilting, thereby improving the safety of the UAV's take-off and landing.

[0026] Example 2: Please refer to Figure 1 and Figure 3 On the basis of the first embodiment, the shock absorbing mechanism 3 includes two rotating rods 301, both ends of the two rotating rods 301 penetrate and extend to the outside of the shell 201, and movable holes are opened on the front and rear side walls of the inner cavity of the shell 201, and the inner surfaces of the two movable holes are rotatably connected to the outer surfaces of the rotating rods 301.

[0027] Among them, connecting rods 302 are fixedly installed at both ends of the rotating rod 301, and the other ends of the two connecting rods 302 are fixedly installed with a landing rod 303. The outer surfaces of the two rotating rods 301 are fixedly installed with a transmission gear 304. The falling force of the surveying and mapping drone body 1 causes the landing rod 303 and the connecting rod 302 to rotate to opposite sides through the rotating rod 301.

[0028] Among them, the two synchronous plates 205 are fixedly installed with transmission racks 305 on the opposite sides, and the inner bottom wall of the outer shell 201 is fixedly installed with a sliding bar. The outer surface of the sliding bar is slidably connected to the bottom of the transmission rack 305, and the outer surfaces of the two transmission gears 304 are respectively engaged with the tops of the two transmission racks 305. The two rotating rods 301 drive the two transmission racks 305 to move to the opposite sides through the transmission gears 304.

[0029] Specifically, when the surveying and mapping UAV body 1 falls, the falling force causes the landing rod 303 and the connecting rod 302 to rotate toward opposite sides through the rotating rod 301. The two rotating rods 301 drive the two transmission racks 305 to move toward opposite sides through the transmission gear 304, preventing vibration from causing damage to the surveying and mapping UAV body 1, thereby meeting the user's usage needs.

[0030] The working principle of the above embodiment is:

[0031] (1) When the surveying and mapping UAV body 1 is falling, the falling force causes the landing rod 303 and the connecting rod 302 to rotate toward opposite sides through the rotating rod 301, and the two rotating rods 301 drive the two transmission racks 305 to move toward opposite sides through the transmission gear 304.

[0032] (2) The two transmission racks 305 drive the two synchronous plates 205 to move to opposite sides through the slide bar 204. The two synchronous plates 205 balance the forces on both sides of the landing gear through the synchronous racks 207 and the synchronous gear 203, so that the buffering angles on both sides of the landing gear are consistent. At the same time, the two synchronous plates 205 are damped through four shock absorbers 206.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A shock-absorbing landing gear for a surveying and mapping UAV, comprising a surveying and mapping UAV body (1), characterized in that: A synchronization mechanism (2) is arranged below the surveying and mapping drone body (1), and a shock absorbing mechanism (3) is arranged inside the synchronization mechanism (2); The synchronization mechanism (2) comprises a shell (201), the top of the shell (201) is fixedly connected to the bottom of the surveying and mapping UAV body (1), the front and rear side walls of the inner cavity of the shell (201) are rotatably mounted with rotation rods (202), the outer surfaces of the two rotation rods (202) are fixedly mounted with synchronization gears (203), the inner top wall of the shell (201) is fixedly mounted with two slide rods (204), the outer surfaces of the two slide rods (204) are slidably mounted with two synchronization plates (205), the opposite sides of the two synchronization plates (205) are fixedly mounted with two synchronization racks (207), and the opposite sides of the four synchronization racks (207) are meshed with the outer surfaces of the two synchronization gears (203); The shock absorbing mechanism (3) comprises two rotating rods (301), both ends of the two rotating rods (301) penetrate through and extend to the outside of the housing (201); The front and rear side walls of the inner cavity of the shell (201) are both provided with movable holes, the inner surfaces of the two movable holes are rotatably connected to the outer surface of the rotating rod (301), the two ends of the rotating rod (301) are fixedly installed with connecting rods (302), and the other ends of the two connecting rods (302) are fixedly installed with lifting rods (303).

2. The shock-absorbing landing gear for a surveying and mapping UAV according to claim 1 is characterized in that: Four shock absorbers (206) are fixedly installed between the inner top wall and the inner bottom wall of the outer shell (201), and one end of the four shock absorbers (206) is fixedly connected to the opposite sides of the two synchronization plates (205) respectively.

3. The shock-absorbing landing gear for a surveying and mapping UAV according to claim 1 is characterized in that: The synchronization mechanism (2) is symmetrically distributed on the left and right sides when viewed from top to bottom, and the synchronization mechanism (2) and the shock absorbing mechanism (3) are in a gravity balance state.

4. The shock-absorbing landing gear for a surveying and mapping UAV according to claim 1 is characterized in that: A transmission gear (304) is fixedly mounted on the outer surfaces of the two rotating rods (301), and a transmission rack (305) is fixedly mounted on the opposite sides of the two synchronous plates (205), and the outer surfaces of the two transmission gears (304) are respectively meshed with the tops of the two transmission racks (305).

5. The shock-absorbing landing gear for a surveying and mapping UAV according to claim 1 is characterized by: A sliding bar is fixedly mounted on the inner bottom wall of the housing (201), and the outer surface of the sliding bar is slidably connected to the bottom of the transmission rack (305).

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