Arm device of multi-rotor manned aircraft

Abstract

The invention discloses an arm device of a multi-rotor manned aircraft, and relates to the technical field of multi-rotor arm devices. The arm device of the multi-rotor manned aircraft comprises a first connecting arm, a second connecting arm, a branching unit, a mounting unit, a sliding sealing plate, a fixing frame and a limiting unit. According to the arm device of the multi-rotor manned aircraft, the structure that the limiting unit is arranged in the fixing block fixedly connected with the second connecting piece is adopted, when the arm close to the outer side is damaged in the flying process, the arm close to the outer side can be replaced, the maintenance cost of the arm close to the outer side can be reduced, and meanwhile in the arm replacement process, the maintenance efficiency is improved. Space in the first connecting machine arm and space in the second connecting machine arm can be separated through the branching units in the machine arms, the situation that cables are wound in the later period is prevented, and the cables led out of the motor can penetrate through the first connecting machine arm and the second connecting machine arm conveniently through the mounting units.

Description

Technical Field

[0001] This invention relates to the field of multi-rotor arm device technology, specifically to an arm device for a multi-rotor manned aircraft. Background Technology

[0002] In the context of modern technology, the multi-rotor aircraft arm system integrates high-strength lightweight materials and precision structural design, balancing rigidity and lightweight. The arm carries key components such as motors and propellers, and some arms have folding functions to support rapid maintenance and upgrades. It is widely used in aerial photography, logistics, inspection and other fields.

[0003] The main function of existing multi-rotor manned aircraft arm devices is to connect the motors and propellers to the fuselage, providing support and connection. Some arms have a folding function, and the folding parts are mostly fixedly connected to the arm. However, the outer arms are easily damaged during flight, and the fixed connection structure makes it inconvenient to replace the outer arms. Furthermore, when installing the motors and propellers, the power and signal cables from the motors need to be threaded through the arm using tools, making the installation process time-consuming and laborious. Additionally, the power and signal cables are prone to tangling inside the arm, requiring cable management before maintenance. To address the shortcomings of existing technology, this invention provides an arm device for a multi-rotor manned aircraft to solve the above problems. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides an arm device for a multi-rotor manned aircraft. It solves the problems of the outer arm being easily damaged during flight, the fixed connection structure making it inconvenient to replace the outer arm, and the fact that when installing the motor and propeller, the power and signal cables from the motor need to be threaded through the arm using tools, making the installation process time-consuming and laborious. Furthermore, the power and signal cables are prone to tangling inside the arm, requiring cable management before maintenance.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an arm device for a multi-rotor manned aircraft, comprising: The first connecting arm has a first connecting piece fixedly connected to it; The second connecting arm is located at the end of the first connecting arm near the first connecting member. The upper end of the second connecting arm is provided with a second connecting member. The second connecting member is hinged to the bottom of the first connecting member. Fixing blocks are fixedly connected to both sides of the second connecting member. A multi-section splitting unit is respectively disposed in the first connecting arm and the second connecting arm. The splitting unit includes a first fixing plate, and a second fixing plate is fixedly connected to the first fixing plate. The splitting unit is used to separate the space inside the arm. Multiple installation units are respectively disposed in the first connecting arm and the second connecting arm, and the installation units facilitate the installation of cables in the arms; A sliding sealing plate is disposed inside the second connecting arm; A fixed frame is provided inside the second connecting arm; A limiting unit is disposed within a fixed block, and the limiting unit is used to limit the second connecting arm.

[0006] Preferably, a first track body is provided inside both the first connecting arm and the second connecting arm, a second track body and a slot are provided inside the second connecting arm, and a third track body is provided on the second fixing plate.

[0007] Preferably, the mounting unit includes: The cable management board is slidably connected within the main body of the third track; The sliding handle is fixedly connected to the bottom of the cable management plate, and the sliding handle is slidably connected inside the first track body.

[0008] Preferably, the limiting unit includes: A locking block, which is slidably connected to a fixed block, is engaged in a locking slot; A slider is slidably connected to a fixed block, and the slider is fixedly connected to the locking block. The second spring has one end fixedly connected to the inner wall of the fixed block, and the other end fixedly connected to the slider.

[0009] Preferably, an adjusting plate is hinged to the first connecting member, and a folding block is hinged to the bottom of the adjusting plate, the folding block being hinged to the second connecting member.

[0010] Preferably, the sliding sealing plate is slidably connected to the second track body, and a control handle is fixedly connected to the sliding sealing plate.

[0011] Preferably, a sliding plate is slidably connected within the fixed frame, and a first spring is fixedly connected between the sliding plate and the fixed frame.

[0012] Preferably, a fixing rod is fixedly connected to the skateboard, and the fixing rod is provided with a slot.

[0013] Preferably, a locking bolt is fixedly connected to the bottom of the control handle.

[0014] Preferably, a T-shaped control handle is fixedly connected to the end of the slider away from the card block.

[0015] This invention discloses an arm device for a multi-rotor manned aircraft, which has the following beneficial effects: The arm assembly of this multi-rotor manned aircraft adopts a structure in which a limiting unit is set inside the fixed block that is fixedly connected to the second connector. When the outer arm is damaged during flight, the outer arm can be replaced, reducing its maintenance cost. At the same time, during the replacement of the arm, the wiring unit inside the arm can separate the space inside the first connecting arm and the second connecting arm to prevent the cables from getting tangled later. The installation unit makes it easy to pass the cables led out from the motor through the first connecting arm and the second connecting arm. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the branching unit structure of the present invention; Figure 3 This is a schematic diagram of the structure of the first connector of the present invention; Figure 4 This is a schematic diagram of the sliding sealing plate structure of the present invention; Figure 5 This is a schematic diagram of the fixed frame structure of the present invention; Figure 6 This is a schematic diagram of the limiting unit structure of the present invention.

[0018] In the diagram: 1. First connecting arm; 11. First track body; 2. Second connecting arm; 21. Slot; 22. Second track body; 3. First connector; 31. Second connector; 311. Fixing block; 32. Adjusting plate; 33. Folding block; 4. Line splitting unit; 41. First fixing plate; 42. Second fixing plate; 421. Third track body; 5. Installation unit; 51. Cable management plate; 52. Sliding handle; 6. Sliding sealing plate; 61. Control handle; 62. Locking bolt; 7. Fixing frame; 71. First spring; 72. Slide plate; 73. Fixing rod; 731. Groove; 8. Limiting unit; 81. Slot; 82. Slider; 83. Second spring; 84. T-shaped control handle. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are described clearly and completely. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] This application provides an arm device for a multi-rotor manned aircraft, solving the problems of the outer arm being easily damaged during flight, the fixed connection structure making it inconvenient to replace the outer arm, and the need for tools to pass the power and signal cables from the motor through the arm during motor and propeller installation, which is time-consuming and laborious. Furthermore, the power and signal cables are prone to tangling inside the arm, requiring cable management before maintenance. The solution is to install a limiting unit 8 inside the fixing block 311, which is fixedly connected to the second connecting member 31. This allows for the replacement of the outer arm if it is damaged during flight, reducing maintenance costs. During arm replacement, the cable distribution unit 4 separates the spaces within the first connecting arm 1 and the second connecting arm 2, preventing cable tangling. The installation unit 5 facilitates the passing of motor cables through the first connecting arm 1 and the second connecting arm 2.

[0021] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0022] Example 1

[0023] This invention discloses an arm device for a multi-rotor manned aircraft, according to the attached... Figure 1-6 As shown, it includes: The first connecting arm 1 is fixedly connected to the first connecting piece 3. Both the first connecting arm 1 and the second connecting arm 2 are made of carbon fiber composite material. Carbon fiber composite material can effectively reduce the overall weight and improve the endurance. The main function of the first connecting arm 1 and the second connecting arm 2 is to connect the motor and the propeller to the fuselage, playing a supporting and connecting role. The second connecting arm 2 is located at the end of the first connecting arm 1 near the first connecting member 3. The upper end of the second connecting arm 2 is provided with a second connecting member 31. The second connecting member 31 is hinged to the bottom of the first connecting member 3. Fixing blocks 311 are fixedly connected to both sides of the second connecting member 31. The second connecting arm 2 is the arm near the outer side, which is prone to collisions when flying in complex environments. After severe damage, it is easy to replace it through the limiting unit 8. The multi-group wiring unit 4 is respectively disposed in the first connecting arm 1 and the second connecting arm 2. It includes a first fixing plate 41 and a second fixing plate 42 fixedly connected to the first fixing plate 41. The wiring unit 4 is used to separate the space inside the arm, so as to facilitate the separate laying of power lines and signal lines and prevent tangling later. Multiple installation units 5 are respectively set in the first connecting arm 1 and the second connecting arm 2. The installation unit 5 facilitates the installation of cables in the arm. The installation unit 5 can pass the power cord and signal line through the first connecting arm 1 and the second connecting arm 2 without the use of tools, saving installation time. The sliding sealing plate 6 is set inside the second connecting arm 2, which facilitates sealing of the second connecting arm 2, and at the same time facilitates the storage and unfolding of the fixing rod 73, and facilitates the expansion connection of lighting lamps or protective covers. The fixed frame 7 is located inside the second connecting arm 2. The fixed rod 73 on the sliding plate 72 inside the fixed frame 7 facilitates external expansion connection. The slot 731 on the fixed rod 73 facilitates the expansion connection of lighting lamps or protective covers, which facilitates the protection of the arm in the complex flight environment at night. After unscrewing the bolt on the locking bolt 62, it is easy to pull the control handle 61 to drive the sliding sealing plate 6. Then the first spring 71 drives the sliding plate 72 to reset, and the sliding plate 72 drives the fixed rod 73 to reset, which facilitates the expansion connection of lighting lamps or protective covers. The limiting unit 8 is disposed within the fixing block 311 and is used to limit the second connecting arm 2.

[0024] Both the first connecting arm 1 and the second connecting arm 2 are provided with a first track body 11, the second connecting arm 2 is provided with a second track body 22 and a slot 21, and the second fixing plate 42 is provided with a third track body 421.

[0025] Limiting unit 8 includes: The locking block 81 is slidably connected to the fixed block 311 and is engaged in the locking slot 21; Slider 82 is slidably connected to fixed block 311, and slider 82 is fixedly connected to block 81; The second spring 83 has one end fixedly connected to the inner wall of the fixed block 311, and the other end fixedly connected to the slider 82.

[0026] An adjustment plate 32 is hinged to the first connecting member 3, and a folding block 33 is hinged to the bottom of the adjustment plate 32. The folding block 33 is hinged to the second connecting member 31. The folding blocks 33 cooperate with each other to facilitate the stable folding of the first connecting arm 1 and the second connecting arm 2.

[0027] The sliding sealing plate 6 is slidably connected to the second track body 22, and a control handle 61 is fixedly connected to the sliding sealing plate 6.

[0028] A sliding plate 72 is slidably connected inside the fixed frame 7. A first spring 71 is fixedly connected between the sliding plate 72 and the fixed frame 7. The first spring 71 facilitates the reset of the sliding plate 72, and the sliding plate 72 facilitates the reset of the fixed rod 73.

[0029] A fixed rod 73 is fixedly connected to the slide plate 72. The fixed rod 73 is provided with a slot 731. The slot 731 facilitates the connection of lighting lamps or protective covers, which helps to protect the arm in complex flight environments at night.

[0030] A locking bolt 62 is fixedly connected to the bottom of the control handle 61, which facilitates the movement of the sliding sealing plate 6.

[0031] A T-shaped control handle 84 is fixedly connected to the end of the slider 82 away from the block 81. The T-shaped control handle 84 facilitates the movement of the block 81, thereby limiting the movement of the second connecting arm 2.

[0032] The slot 731 on the fixing rod 73 facilitates the connection of lighting or protective covers, and facilitates the protection of the arm in complex flight environments at night. After unscrewing the bolt on the locking bolt 62, it is easy to pull the control handle 61 to drive the sliding sealing plate 6, and then the first spring 71 drives the slide plate 72 to reset. The slide plate 72 drives the fixing rod 73 to reset, which facilitates the connection of lighting or protective covers.

[0033] When the second connecting arm 2 is damaged, it can be replaced by the limiting unit 8. First, pull the T-shaped control handle 84 to drive the slider 82 fixedly connected to it to compress the second spring 83. Then, the locking block 81 and the slot 21 are released, and the second connecting arm 2 can be pulled out from the second connecting member 31. The new second connecting arm 2 is inserted into the second connecting member 31 to complete the installation of the second connecting arm 2. During the insertion process, the second connecting arm 2 squeezes the locking block 81, and the locking block 81 drives the slider 82 to compress the second spring 83. Then, rotate the second connecting arm 2. When the locking block 81 is aligned with the slot 21 on the second connecting arm 2, the locking block 81 engages with the slot 21, thus completing the installation of the second connecting arm 2.

[0034] Example 2

[0035] This invention discloses an arm device for a multi-rotor manned aircraft, according to the attached... Figure 1-6 As shown, it includes: The first connecting arm 1 is fixedly connected to the first connecting piece 3. Both the first connecting arm 1 and the second connecting arm 2 are made of carbon fiber composite material. Carbon fiber composite material can effectively reduce the overall weight and improve the endurance. The main function of the first connecting arm 1 and the second connecting arm 2 is to connect the motor and the propeller to the fuselage, playing a supporting and connecting role. The second connecting arm 2 is located at the end of the first connecting arm 1 near the first connecting member 3. The upper end of the second connecting arm 2 is provided with a second connecting member 31. The second connecting member 31 is hinged to the bottom of the first connecting member 3. Fixing blocks 311 are fixedly connected to both sides of the second connecting member 31. The second connecting arm 2 is the arm near the outer side, which is prone to collisions when flying in complex environments. After severe damage, it is easy to replace it through the limiting unit 8. The multi-group wiring unit 4 is respectively disposed in the first connecting arm 1 and the second connecting arm 2. It includes a first fixing plate 41 and a second fixing plate 42 fixedly connected to the first fixing plate 41. The wiring unit 4 is used to separate the space inside the arm, so as to facilitate the separate laying of power lines and signal lines and prevent tangling later. Multiple installation units 5 are respectively set in the first connecting arm 1 and the second connecting arm 2. The installation unit 5 facilitates the installation of cables in the arm. The installation unit 5 can pass the power cord and signal line through the first connecting arm 1 and the second connecting arm 2 without the use of tools, saving installation time. The sliding sealing plate 6 is set inside the second connecting arm 2, which facilitates sealing of the second connecting arm 2, and at the same time facilitates the storage and unfolding of the fixing rod 73, and facilitates the expansion connection of lighting lamps or protective covers. The fixed frame 7 is located inside the second connecting arm 2. The fixed rod 73 on the sliding plate 72 inside the fixed frame 7 facilitates external expansion connection. The slot 731 on the fixed rod 73 facilitates the expansion connection of lighting lamps or protective covers, which facilitates the protection of the arm in the complex flight environment at night. After unscrewing the bolt on the locking bolt 62, it is easy to pull the control handle 61 to drive the sliding sealing plate 6. Then the first spring 71 drives the sliding plate 72 to reset, and the sliding plate 72 drives the fixed rod 73 to reset, which facilitates the expansion connection of lighting lamps or protective covers. The limiting unit 8 is disposed within the fixing block 311 and is used to limit the second connecting arm 2.

[0036] Installation unit 5 includes: The cable management plate 51 is slidably connected to the third track body 421. The groove on the cable management plate 51 facilitates the connection of the power cable and the signal cable connector. The sliding handle 52 is fixedly connected to the bottom of the cable management plate 51 and slidably connected to the first track body 11. The sliding handle 52 facilitates the movement of the cable management plate 51.

[0037] When installing the motor, the power and signal lines drawn from the motor need to be passed through the first connecting arm 1 and the second connecting arm 2. The connectors of the power and signal lines are then plugged into the control center inside the machine body. Through the cooperation of the splitting unit 4 and the installation unit 5, the first fixing plate 41 and the second fixing plate 42 in the splitting unit 4 separate the spaces inside the first connecting arm 1 and the second connecting arm 2.

[0038] The mounting unit 5 facilitates the quick passage of cables through the first connecting arm 1 and the second connecting arm 2. First, the plugs of the power cord and signal cable are respectively clipped onto the cable management plate 51 inside the second connecting arm 2. Then, the sliding handle 52 fixedly connected to the bottom of the cable management plate 51 is slid to move it towards the first connecting arm 1. When it reaches the upper end of the second connecting arm 2, the plugs of the power cord and signal cable are removed and placed in the mounting unit 5 inside the first connecting arm 1. The above operation is repeated to facilitate the insertion of the plugs of the power cord and signal cable into the control center inside the machine body.

[0039] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of this invention is defined by the appended claims and their equivalents.

Claims

1. A multi-copter manned aerial vehicle's arm apparatus, characterized by, The utility model relates to a kind of cable installation device, including: First connecting arm (1), first connecting piece (3) is fixedly connected on it; Second connecting arm (2) is arranged in the one end of first connecting arm (1) close to first connecting piece (3), second connecting piece (31) is arranged in the upper end of the second connecting arm (2), second connecting piece (31) is hinged with the bottom of first connecting piece (3), second connecting piece (31) is fixedly connected with fixed block (311) on both sides; Multiple component line units (4) are arranged in first connecting arm (1) and second connecting arm (2) respectively, and the line unit (4) includes first fixed plate (41), second fixed plate (42) is fixedly connected on the first fixed plate (41), and the line unit (4) is used to separate the space in arm; Multiple installation units (5) are arranged in first connecting arm (1) and second connecting arm (2) respectively, and the installation unit (5) is convenient for installing cable in arm; Sliding sealing plate (6) is arranged in second connecting arm (2); Fixed frame (7) is arranged in second connecting arm (2); Limiting unit (8) is arranged in fixed block (311), and the limiting unit (8) is used for limiting second connecting arm (2).

2. The arm assembly of claim 1, wherein: First track main body (11) is arranged in first connecting arm (1) and second connecting arm (2), second track main body (22) and clamping groove (21) are arranged in second connecting arm (2), and third track main body (421) is arranged on second fixed plate (42).

3. The arm assembly of claim 1, wherein: The installation unit (5) includes: Wire arrangement plate (51) is slidably connected in third track main body (421); Sliding handle (52) is fixedly connected at the bottom of wire arrangement plate (51), and sliding handle (52) is slidably connected in first track main body (11).

4. The arm assembly of claim 2, wherein: The limiting unit (8) includes: Clamping block (81) is slidably connected in fixed block (311), and clamping block (81) is clamped in clamping groove (21); Sliding block (82) is slidably connected in fixed block (311), and sliding block (82) is fixedly connected with clamping block (81); Second spring (83) is fixedly connected on the inner wall of fixed block (311) at one end, and the other end of second spring (83) is fixedly connected on sliding block (82).

5. The arm assembly of claim 1, wherein: Adjusting plate (32) is hinged on first connecting piece (3), folding block (33) is hinged at the bottom of adjusting plate (32), and folding block (33) is hinged with second connecting piece (31).

6. The arm assembly of claim 2, wherein: Sliding sealing plate (6) is slidably connected in second track main body (22), and control handle (61) is fixedly connected on sliding sealing plate (6).

7. The arm assembly of claim 2, wherein: Sliding plate (72) is slidably connected in fixed frame (7), and first spring (71) is fixedly connected between sliding plate (72) and fixed frame (7).

8. The arm assembly of claim 7, wherein: Fixed rod (73) is fixedly connected on sliding plate (72), and notch (731) is arranged on fixed rod (73).

9. The arm assembly of claim 6, wherein: Lock bolt (62) is fixedly connected at the bottom of control handle (61).

10. The arm assembly of claim 4, wherein: The slider (82) is fixedly connected with a T-shaped control handle (84) at one end away from the check block (81).

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