Assembly tool for multi-rotor aircraft support arm

Abstract

The utility model discloses an assembly tool for a support arm of a multi-rotor aircraft, which comprises a base, two main body positioning seats are arranged on the base, V-shaped positioning grooves are arranged on the main body positioning seats, and pressing blocks are arranged on the V-shaped positioning grooves; the two ends of the base are provided with a wing body connector positioning assembly and a motor supporting arm positioning assembly respectively. According to the utility model, the V-shaped positioning groove on the main body positioning seat is used for fixing and positioning the support arm, and the C-shaped supporting block and the positioning bolt are used for realizing the positioning operation of the wing body joint; the positioning shaft is used for positioning the motor mounting seat, and the motor mounting seat is fixed by the locking block, so that the positions of the support arm, the wing body joint and the motor mounting seat are fixed, the subsequent assembly work is facilitated, the assembly precision can be effectively improved, and the assembly and manufacturing cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of aircraft support arm assembly, in particular to an assembly tool for a multi-rotor aircraft support arm. Background Art

[0002] A multi-rotor aircraft is a special unmanned helicopter with three or more rotor arms. The head of each arm is fixed to the wing, and an independent motor is installed on the tail. The motor on each arm rotates to drive the rotor, thereby generating lift thrust. Therefore, each arm body needs to be equipped with a wing-body joint at one end and a motor mount at the other end. Some arm bodies are special-shaped cylindrical structures. When assembling the wing-body joint and the motor mount, the arm body is not easy to fix and is prone to misalignment, resulting in reduced assembly accuracy of the rotor arm, thereby affecting the flight accuracy of the multi-rotor aircraft and causing huge losses. Utility Model Content

[0003] In order to solve the above problems, the utility model provides an assembly tool for a multi-rotor aircraft support arm, which can improve the assembly accuracy of the multi-rotor aircraft support arm.

[0004] To this end, the technical solution of the utility model is: an assembly tool for a multi-rotor aircraft arm, comprising a base, two main body positioning seats are provided on the base, the main body positioning seats are provided with a V-shaped positioning groove, and the V-shaped positioning groove is provided with a pressure block; the two ends of the base are respectively provided with a wing-body joint positioning assembly and a motor arm positioning assembly.

[0005] On the basis of the above scheme and as a preferred scheme of the above scheme: the wing-body joint positioning assembly includes a wing-body joint positioning seat, and the wing-body joint positioning seat is provided with a C-shaped support block on the side facing the main body positioning seat, and the support block is provided with a penetrating positioning hole, and the positioning pin is inserted into the positioning hole.

[0006] On the basis of the above scheme and as a preferred scheme of the above scheme: the motor arm positioning assembly includes a motor arm positioning seat and a positioning shaft, the motor arm positioning seat is provided with a vertically arranged positioning shaft, and the top end of the positioning shaft is provided with a locking block.

[0007] On the basis of the above scheme and as a preferred scheme of the above scheme: the pressing block is provided with a V-shaped limiting groove on one side facing the main body positioning seat, which forms a main body fixing position together with the V-shaped positioning groove on the main body positioning seat.

[0008] On the basis of the above solution and as a preferred solution of the above solution: mounting surfaces are provided on both sides of the pressing block, which are fixedly connected to the main body positioning seat by bolts.

[0009] When in use, the wing-body joint and the motor mounting seat are respectively put on the two ends of the support arm, which is in an unfixed state at this time. Then place the two ends of the support arm on the V-shaped positioning grooves of the two main body positioning seats. After adjusting the position of the support arm, cover the support arm with the pressure block and lock it with bolts to fix the support arm on the main body positioning seat.

[0010] One end of the wing-body joint is sleeved on the support arm, and the upper and lower surfaces of the other end are provided with mounting surfaces, and the mounting holes are mounted on the mounting surfaces. Therefore, the direction of the wing-body joint is adjusted so that the two mounting surfaces are sleeved on the upper and lower sides of the C-shaped support block as a whole, and the mounting holes on the wing-body joint are positioned opposite to the positioning holes on the C-shaped support block, and then the positioning pin is inserted, and the positioning pin passes through the wing-body joint and the C-shaped support block, and the wing-body joint is fixed on the C-shaped support block, completing the positioning of the wing-body joint.

[0011] One end of the motor mounting seat is sleeved on the support arm, and the other end is provided with a motor mounting hole that runs through from top to bottom. Therefore, the motor mounting hole is sleeved on the positioning shaft on the motor support arm positioning seat and fixed with a locking block, thereby positioning the motor mounting seat.

[0012] Compared with the prior art, the beneficial effects of the utility model are: the V-shaped positioning groove on the main body positioning seat is used to fix and position the support arm, the C-shaped support block is used to adjust the rotation direction of the wing-body joint, and the positioning pin can realize the positioning operation of the wing-body joint; the positioning shaft is used to position the motor mounting seat and fixed with a locking block, so that the position of the support arm, the wing-body joint and the motor mounting seat is fixed, which is convenient for subsequent assembly work, can effectively improve the assembly accuracy, and reduce the assembly manufacturing cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings.

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is an exploded view of the parts of the utility model;

[0016] Figure 3 This is a structural schematic diagram of the wing-body joint positioning assembly of the utility model;

[0017] Figure 4 This is a diagram of the use state of the utility model;

[0018] Figure 5 for Figure 4 A partial enlarged view of

[0019] Figure 6 It is a structural schematic diagram of the support arm of the multi-rotor aircraft of the utility model.

[0020] Marked in the figure: base 1, first main body positioning seat 21, second main body positioning seat 22, V-shaped positioning groove 23, pressure block 3, limit groove 31, wing-body joint positioning assembly 4, wing-body joint positioning seat 41, C-shaped support block 42, positioning hole 43, positioning pin 44, support arm positioning assembly 5, motor support arm positioning seat 51, positioning shaft 52, locking block 53, support arm 6, wing-body joint 7, mounting surface 71, mounting hole 72, motor mounting seat 8, motor mounting hole 81. DETAILED DESCRIPTION

[0021] In the description of the present invention, it should be noted that directional words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of narrating the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific protection scope of the present invention.

[0022] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the definition of "first" and "second" features can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "several" and "a number" is two or more, unless otherwise clearly and specifically defined.

[0023] See the attached drawings. The assembly tool for the arm of a multi-rotor aircraft described in this embodiment includes a base 1, on which a first main body positioning seat 21 and a second main body positioning seat 22 are provided, and the two can be set to different heights according to the shape of the arm. A V-shaped positioning groove 23 is provided on the main body positioning seat, and a pressure block 3 is provided on the V-shaped positioning groove; the pressure block 3 is provided with a V-shaped limiting groove 31 on the side facing the main body positioning seat, which forms a main body fixing position with the V-shaped positioning groove 23 on the main body positioning seat, and can fix the two ends of the arm 6.

[0024] The wing-body joint 7 needs to be installed at one end of the support arm 6. The wing-body joint 7 is sleeved on the support arm 6 at one end, and the upper and lower surfaces of the other end are provided with a mounting surface 71, and a mounting hole 72 is installed on the mounting surface. The front end of the first main body positioning seat 21 is provided with a wing-body joint positioning assembly 4 for positioning the wing-body joint 7.

[0025] The wing-body joint positioning assembly 4 includes a wing-body joint positioning seat 41, and a C-shaped support block 42 is provided on the side of the wing-body joint positioning seat facing the main body positioning seat, and a through positioning hole 43 is provided on the support block, and a positioning pin 44 is inserted into the positioning hole 43. The C-shaped support block 42 can be just stuck between the two mounting surfaces 71 of the wing-body joint 7, and the positioning hole 43 on the C-shaped support block is opposite to the mounting hole 72 on the wing-body joint, so that the positioning pin 44 is conveniently inserted through and the wing-body joint 7 is positioned.

[0026] The other end of the support arm 6 needs to be installed with a motor mounting seat 8, one end of the motor mounting seat 8 is sleeved on the support arm 6, and the other end is provided with a motor mounting hole 81 that runs through the support arm 6. A motor support arm positioning assembly 5 is provided on the side of the second main body positioning seat 22, which is used to position the motor mounting seat 8. The motor support arm positioning assembly 5 includes a motor support arm positioning seat 51 and a positioning shaft 52. The motor support arm positioning seat 51 is provided with a vertically arranged positioning shaft 52, and a locking block 53 is provided at the top of the positioning shaft 52.

[0027] When using:

[0028] 1) The wing-body joint 7 and the motor mounting seat 8 are respectively placed on both ends of the support arm 6, which are in an unfixed state at this time;

[0029] 2) Place the two ends of the support arm 6 on the V-shaped positioning grooves 23 of the two main body positioning seats. After adjusting the position of the support arm 6, cover the pressure block 3 on the support arm 6 and tighten it with bolts to fix the support arm on the main body positioning seat;

[0030] 3) Adjust the direction of the wing-body joint 7 so that the two mounting surfaces 71 are integrally sleeved on the upper and lower sides of the C-shaped support block 42, and the mounting holes 72 on the wing-body joint 7 are opposite to the positioning holes 43 on the C-shaped support block. Then insert the positioning pin 44, which passes through the wing-body joint 7 and the C-shaped support block 42, and fix the wing-body joint 7 on the C-shaped support block 42, thereby completing the positioning of the wing-body joint 7;

[0031] 4) The motor mounting hole 81 is mounted on the positioning shaft 52 of the motor support arm positioning seat 51 and fixed with a locking block 53, thereby positioning the motor mounting seat 8;

[0032] 5) Start to complete the assembly work of the support arm 6, the wing-body joint 7, and the motor mounting seat 8.

[0033] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. An assembly tool for a multi-rotor aircraft support arm, comprising a base, characterized in that: Two main body positioning seats are provided on the base, a V-shaped positioning groove is provided on the main body positioning seat, and a pressure block is provided on the V-shaped positioning groove; a wing-body joint positioning assembly and a motor arm positioning assembly are respectively provided at both ends of the base; the wing-body joint positioning assembly includes a wing-body joint positioning seat, and a C-shaped support block is provided on the side of the wing-body joint positioning seat facing the main body positioning seat, and a penetrating positioning hole is provided on the support block, and a positioning pin is inserted into the positioning hole; the motor arm positioning assembly includes a motor arm positioning seat and a positioning shaft, a vertically arranged positioning shaft is provided on the motor arm positioning seat, and a locking block is provided on the top of the positioning shaft.

2. The assembly tool for a multi-rotor aircraft support arm according to claim 1, characterized in that: The pressing block is provided with a V-shaped limiting groove on one side facing the main body positioning seat, and forms a main body fixing position together with the V-shaped positioning groove on the main body positioning seat.

3. The assembly tool for a multi-rotor aircraft support arm according to claim 2, characterized in that: The pressing block is provided with mounting surfaces on both sides, which are fixedly connected to the main body positioning seat by bolts.

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