Dual-rotor test bench

Abstract

The utility model discloses a double-rotor test bench, which relates to the technical field of double-rotor testers and comprises a tilting cross beam, a slider rotatably connected onto the tilting cross beam, a mounting arm fixedly connected onto the slider, a mounting groove formed in the mounting arm, two propeller motors detachably mounted on a bearing plate through the mounting groove, and a rotating shaft mounted on the bearing plate. And a rotating shaft is mounted on the tilting cross beam. According to the utility model, the design structure is reasonable, through the design of the adjustable slide block and the installation arm, the position of the propeller motor can be adjusted, and the force borne by the propeller can be accurately measured under different working conditions; the first adjusting assembly and the second adjusting assembly are responsible for rotation adjustment of the tilting cross beam and rotation adjustment of the mounting arm relative to the sliding block respectively, and the design of the tilting cross beam allows simulation of attitude changes of the unmanned aerial vehicle in flight, so that more comprehensive and accurate data are obtained; and the dynamic characteristics and optimization of the dual-rotor unmanned aerial vehicle can be deeply researched.

Description

TECHNICAL FIELD

[0001] The utility model relates to double rotor tester technical field, specifically a double rotor test bench. BACKGROUND

[0002] The unmanned plane control technology research is one of the hot spots that the research institutions at home and abroad pay attention to. In recent years, the unmanned plane has been widely used in aerial photography, power inspection, environmental monitoring, forest fire prevention, disaster inspection, anti-terror rescue, military reconnaissance, battlefield evaluation and other fields, effectively overcomes the deficiency that the manned aircraft carries out the aerial operation, reduces the purchase and maintenance cost, improves the safety of the carrying tool.

[0003] The Chinese patent with publication number CN209241359U discloses a coaxial double-rotor test bench, which can measure the parameters of each coaxial double-paddle engine and propeller separately, and restores the flow field environment faced by the coaxial double-paddle to the greatest extent, reduces the interference of other equipment on the propeller flow field, and ensures that the distance of the propeller conforms to the actual situation.

[0004] In the above scheme, the fixed cross beam is adopted, which will not produce force interference, but it is difficult to simulate the actual working state of the double-rotor unmanned plane, the collected data is less, and there is a certain test data deviation. Therefore, we provide a double-rotor test bench to solve the above problems. UTILITY MODEL CONTENT

[0005] I) Technical problems solved

[0006] The utility model aims at making up for the deficiency of prior art, and provides a double-rotor test bench.

[0007] II) Technical scheme

[0008] To achieve the above purpose, the utility model provides the following technical scheme: a double-rotor test bench, comprising:

[0009] The tilt cross beam is rotatably connected with a sliding block, the sliding block is fixedly connected with a mounting arm, the mounting arm is provided with a mounting slot, two propeller motors are detachably installed on the bearing plate through the mounting slot, and a rotating shaft is installed on the tilt cross beam.

[0010] The test bench structure is arranged below the tilt cross beam, and the first adjusting assembly for rotating and adjusting the tilt cross beam with the rotating shaft as the center is arranged on the test bench structure.

[0011] The second adjusting assembly is arranged on the tilt cross beam and is used for rotating and adjusting the mounting arm with the sliding block as the center.

[0012] Further, the sliding block is also provided with a tension sensor and a torsion sensor.

[0013] Further, the gantry structure comprises a base, two columns are fixedly connected to the base, two bearing plates are fixedly connected to the two columns, two support plates are fixedly connected to the two bearing plates, and two ends of the rotating shaft are rotatably connected to the two support plates.

[0014] Further, the two side faces of the column are fixedly connected with reinforcing rods, and the bottom ends of the reinforcing rods are fixedly connected to the base.

[0015] Further, the first adjusting assembly comprises a first control motor, and an output rotating shaft of the first control motor is in transmission connection with the rotating shaft.

[0016] Further, the support plate is provided with an arc-shaped groove, the tilting beam is fixedly connected with a sliding block, and the sliding block is slidingly connected in the arc-shaped groove.

[0017] Further, the second adjusting assembly comprises a second control motor, and an output rotating shaft of the second control motor is in transmission connection with the sliding block.

[0018] III) Beneficial effects:

[0019] Compared with the prior art, the double-rotor test bench has the following beneficial effects:

[0020] The adjustable sliding block and the mounting arm are used, so that the position of the propeller motor can be adjusted, the force borne by the propeller can be accurately measured under different working conditions, the first adjusting assembly and the second adjusting assembly are respectively responsible for the rotation adjustment of the tilting beam and the rotation adjustment of the mounting arm relative to the sliding block, the design of the tilting beam allows the attitude change of the unmanned aerial vehicle in flight to be simulated, so that more comprehensive and accurate data are obtained, and the dynamics characteristics and optimization of the double-rotor unmanned aerial vehicle are helpful for in-depth research. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 is a perspective view of the utility model;

[0022] Fig. 2 is a top view of the utility model.

[0023] In the drawing: 1, bearing plate; 2, support plate; 3, tilting beam; 4, rotating shaft; 5, arc-shaped groove; 6, sliding block; 7, mounting arm; 8, mounting groove; 9, second control motor; 10, propeller motor; 11, first control motor; 12, column; 13, base; 14, reinforcing rod. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present application.

[0025] As shown in Figs. 1-2 The utility model provides a kind of technical solutions: a dual-rotor test bench, including tilting crossbeam 3, rack structure and second adjusting assembly.

[0026] Tilting crossbeam 3 is rotatably connected with sliding block 6, sliding block 6 is fixedly connected with mounting arm 7, and pulling force sensor and torque sensor are also installed on sliding block 6, the force borne by sliding block 6 can be measured by pulling force sensor and torque sensor, mounting slot 8 is opened in mounting arm 7, and two propeller motors 10 are detachably installed on bearing plate 1 by mounting slot 8, the installation position of propeller motor 10 in mounting slot 8 can be adjusted, and propeller motor 10 can be fixed after moving by bolt etc., and pulling force sensor and torque sensor can monitor stress value under different working conditions, and rotating shaft 4 is installed on tilting crossbeam 3.

[0027] Rack structure is arranged below tilting crossbeam 3, and first adjusting assembly is arranged on rack structure for rotating adjustment of tilting crossbeam 3 with rotating shaft 4 as center.

[0028] Rack structure includes base 13, and base 13 is in the shape of H, two columns 12 are fixedly connected on base 13, two columns 12 are respectively located at both ends of base 13, bearing plate 1 is fixedly connected on two columns 12, support plate 2 is fixedly connected on two bearing plates 1, both ends of rotating shaft 4 are rotatably connected on two support plates 2, bearing plate 1 and support plate 2 form an L-shaped structure, and tilting crossbeam 3 can be supported by rotating shaft 4.

[0029] Both sides of column 12 are fixedly connected with reinforcing rod 14, and bottom end of reinforcing rod 14 is fixedly connected on base 13, so that column 12 and base 13 form a triangular structure through reinforcing rod 14, and the stability of column 12 on base 13 is improved.

[0030] The first adjusting assembly comprises a first control motor 11, an output rotating shaft of the first control motor 11 is in transmission connection with the rotating shaft 4, an arc-shaped groove 5 is formed in the supporting plate 2, a sliding block 6 is fixedly connected to the tilting beam 3 and is in sliding connection in the arc-shaped groove 5, and the transmission mode of the output rotating shaft of the first control motor 11 and the rotating shaft 4 is various, for example, the transmission can be realized through meshing of two bevel gears, when the rotating shaft 4 drives the tilting beam 3 to rotate, the sliding block 6 also slides in the arc-shaped groove 5, so as to limit and protect the tilting beam 3.

[0031] The second adjusting assembly is arranged on the tilting beam 3 and is used for rotating adjustment of the mounting arm 7 with the sliding block 6 as the center, the second adjusting assembly comprises a second control motor 9, an output rotating shaft of the second control motor 9 is in transmission connection with the sliding block 6, and the transmission mode of the output rotating shaft of the second control motor 9 and the sliding block 6 is various, for example, the transmission can be realized through meshing of two bevel gears.

[0032] It should be noted that, in this article, the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model; the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance, in addition, unless otherwise explicitly specified and limited, the terms "fixedly arranged", "mounted", "connected", "linked" should be understood in a broad sense, for example, "mounted" can be fixed connection, can also be detachable connection, or integrally connected; "connected" can be mechanical connection, can also be electrical connection; "linked" can be direct connection, can also be indirect connection through an intermediate medium, or the communication between two elements. For ordinary skilled persons in the art, the specific meanings of the above terms in the utility model can be understood according to the specific circumstances.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A dual-rotor test stand, characterized by, The utility model relates to a two -axis adjustable propeller test bed structure, including: The bearing plate (1) is detachably installed with two propeller motors (10) on the mounting groove (8); The swivel crossbeam (3) is rotatably connected with the sliding block (6), and the mounting arm (7) is fixedly connected on the sliding block (6), the mounting groove (8) is seted up on the mounting arm (7), and the rotating shaft (4) is installed on the swivel crossbeam (3); The gantry structure is arranged below the swivel crossbeam (3), and the first adjusting assembly for rotating the swivel crossbeam (3) with the rotating shaft (4) as the center is arranged on the gantry structure; The second adjusting assembly is arranged on the swivel crossbeam (3) and is used for rotating the mounting arm (7) with the sliding block (6) as the center.

2. A twin-rotor test bench according to claim 1, characterized in that: The sliding block (6) is also provided with a tension sensor and a torque sensor.

3. A twin-rotor test stand according to claim 1, characterized in that: The gantry structure includes a base (13), two upright columns (12) are fixedly connected on the base (13), two bearing plates (1) are fixedly connected on the two upright columns (12), two support plates (2) are fixedly connected on the two bearing plates (1), and the two ends of the rotating shaft (4) are rotatably connected to the two support plates (2) respectively.

4. A twin-rotor test bench according to claim 3, characterized in that: The two side faces of the upright column (12) are fixedly connected with reinforcing rods (14), and the bottom end of the reinforcing rod (14) is fixedly connected to the base (13).

5. The dual-rotor test stand of claim 1, wherein: The first adjusting assembly includes a first control motor (11), and the output rotating shaft of the first control motor (11) is in transmission connection with the rotating shaft (4).

6. A twin-rotor test stand as claimed in claim 3, characterized in that: The support plate (2) is provided with an arc-shaped groove (5), the swivel crossbeam (3) is fixedly connected with the sliding block (6), and the sliding block (6) is slidably connected in the arc-shaped groove (5).

7. The dual-rotor test stand of claim 1, wherein: The second adjusting assembly includes a second control motor (9), and the output rotating shaft of the second control motor (9) is in transmission connection with the sliding block (6).

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