CN-224202647-U - Unmanned aerial vehicle focus measuring device

Abstract

The utility model discloses an unmanned aerial vehicle gravity center measuring device, which comprises an A measuring point, a B measuring point and a C measuring point on a measuring tool, wherein the three points are matched to measure the horizontal or inclined angle of an unmanned aerial vehicle, the height of the A measuring point is adjusted, gravity center position measurement under different inclined angles can be realized, based on the values, an inclination sensor is arranged on the measuring tool and is used for measuring the inclined angle of the unmanned aerial vehicle, inclination data are provided for the calculation of the gravity center position of the unmanned aerial vehicle, and then the gravity center measuring result of the unmanned aerial vehicle is obtained through subsequent calculation.

Inventors

• ZHAO PENG
• LI HOUXIN
• LIU FENG
• XUE GUOWEI
• YANG CHAOCHEN

Assignees

• 中航电测仪器(西安)有限公司

Dates

Publication Date

20260505

Application Date

20250520

Claims (10)

1. 1. The gravity center measuring device of the unmanned aerial vehicle is characterized by comprising a measuring tool (9), wherein the measuring tool (9) comprises an A measuring point, a B measuring point and a C measuring point, and the measuring tool (9) is used for placing the unmanned aerial vehicle to be measured; The measuring points B and C are located at one end close to the measuring tool (9), the measuring points A are located at the other end close to the measuring tool (9), the measuring points B and C are distributed in a straight line, and the measuring points A, B and C are distributed in a triangle; The measuring point A, the measuring point B and the measuring point C are respectively provided with a corresponding lifting unit, weighing sensors are arranged on the lifting units, and an inclination sensor (10) is arranged at the measuring point A.
2. 2. The unmanned aerial vehicle gravity center measuring device according to claim 1, wherein a plurality of measuring points are arranged, and the a measuring points are distributed in a straight line shape in a direction approaching to the B measuring point and the C measuring point by taking the end part of the measuring tool (9) as a starting point.
3. 3. The unmanned aerial vehicle gravity center measuring device according to claim 1, wherein the hoisting units at the B measuring point and the C measuring point comprise BC point fast folding type portal frames (1), and the BC point fast folding type portal frames (1) are provided with B point hoisting devices (2) and C point hoisting devices (8) at intervals; the lifting device (2) at the point B and the lifting device (8) at the point C are respectively provided with a weighing sensor; One end of the B point lifting device (2) is connected with the BC point fast foldable portal frame (1), and the other end is connected with the B measuring point; One end of the C point lifting device (8) is connected with the BC point fast folding portal frame (1), and the other end is connected with the C measuring point.
4. 4. A gravity center measuring device of an unmanned aerial vehicle according to claim 3, wherein the lifting unit at the point a comprises a point a rapid folding portal frame (12), the point a rapid folding portal frame (12) is provided with a point a lifting device (13), and the point a lifting device (13) is provided with a weighing sensor; One end of the A-point fast foldable portal frame (12) is connected with the A-point fast foldable portal frame (12), and the other end of the A-point fast foldable portal frame is connected with the A-measuring point.
5. 5. The unmanned aerial vehicle gravity center measuring device according to claim 4, wherein the bottom of the BC-spot fast foldable portal frame (1) and the bottom of the a-spot fast foldable portal frame (12) are both provided with moving wheels.
6. 6. The unmanned aerial vehicle gravity center measuring device according to claim 5, wherein the BC-point fast folding portal frame (1) comprises a cross beam, and support beams are arranged at two ends of the cross beam.
7. 7. The unmanned aerial vehicle center of gravity measurement device of claim 6, wherein the cross beam and support beam are hinged.
8. 8. The unmanned aerial vehicle gravity center measuring device of claim 4, wherein the measuring points A, B and C are provided with lifting screws, and the lifting screws are connected with corresponding lifting devices.
9. 9. The unmanned aerial vehicle gravity center measuring device according to claim 8, wherein the eye screws are connected with the corresponding hoisting devices through weighing sensor hook accessories (17), and the weighing sensors are arranged on the corresponding weighing sensor hook accessories (17).
10. 10. The unmanned aerial vehicle center of gravity measuring device according to claim 2, wherein the a measuring points are provided with 3.

Description

Unmanned aerial vehicle focus measuring device Technical Field The utility model belongs to the technical field of unmanned aerial vehicle gravity center measurement, and relates to an unmanned aerial vehicle gravity center measuring device. Background At present, along with the progress of scientific technology, unmanned aerial vehicles are widely applied to military and civil fields respectively, and play an important role continuously, so that unmanned aerial vehicles become the pillar industry of the current national economy gradually. The unmanned aerial vehicle generally adopts take-off modes such as rocket boosting, running, catapulting and the like, and rocket boosting and launching gradually becomes a common mode of unmanned aerial vehicle launching due to the characteristics of good maneuverability and strong site adaptability, namely, the unmanned aerial vehicle launches through rocket boosting, and the boosting rocket is automatically separated from the unmanned aerial vehicle after being burnt. The axis of the transmission connection interface of the boosting rocket and the unmanned aerial vehicle is a thrust line of the rocket, and the distance between the thrust line of the rocket and the gravity center of the unmanned aerial vehicle is controlled within a certain range to ensure the transmission safety and the flight track of the unmanned aerial vehicle. Therefore, before the unmanned aerial vehicle is launched, the actual gravity center of the unmanned aerial vehicle needs to be measured, and the thrust line or the gravity center position is adjusted, so that the thrust line is as far as possible beyond the gravity center of the unmanned aerial vehicle. The traditional unmanned aerial vehicle gravity center measuring device only provides the gravity center coordinate measurement of X axis and Y axis in the horizontal plane, and the measurement method capable of measuring the Z axis gravity center coordinate is mainly based on turnover type and jacking type measurement. The unmanned aerial vehicle needs to be turned over by 90 degrees, the Z-axis gravity center position is measured in a similar horizontal gravity center measuring mode, and turning over by 90 degrees is difficult for unmanned aerial vehicles with larger wingspan in the measuring mode. The jacking type measurement is affected by processing and assembly errors, when measuring the gravity centers of different unmanned aerial vehicles, the position of a jacking point of a measuring device is often required to be adjusted, the adjusting process is relatively complicated, side loads are easy to generate, and the Z-axis gravity center position measurement is not accurate enough. Disclosure of utility model The utility model aims to solve the problems that the existing measuring method in the prior art is inaccurate in measuring the gravity center of an unmanned aerial vehicle and is difficult to measure the Z-direction gravity center of a large-size unmanned aerial vehicle, and provides an unmanned aerial vehicle gravity center measuring device. In order to achieve the purpose, the utility model is realized by adopting the following technical scheme: the utility model provides an unmanned aerial vehicle focus measuring device, includes measurement frock, including A measuring point, B measuring point and C measuring point on the measurement frock, measurement frock is used for placing the unmanned aerial vehicle of waiting to measure; The measuring device comprises a measuring tool, a measuring point B, a measuring point C, a measuring point A, a measuring point B, a measuring point C, a measuring point B and a measuring point C, wherein the measuring point B and the measuring point C are respectively positioned at one end close to the measuring tool; The measuring point A, the measuring point B and the measuring point C are respectively provided with a corresponding lifting unit, weighing sensors are arranged on the lifting units, and an inclination sensor is arranged at the measuring point A. The utility model further improves that: the A measuring points are arranged in a plurality, the A measuring points take the end part of the measuring tool as a starting point, and are distributed in a straight line in the direction approaching to the B measuring points and the C measuring points. The hoisting units at the B measuring point and the C measuring point comprise BC point fast folding type gantry frames, and B point hoisting devices and C point hoisting devices are distributed on the BC point fast folding type gantry frames at intervals; weighing sensors are arranged on the point B lifting device and the point C lifting device; One end of the B point lifting device is connected with the BC point and can be quickly folded, the other end is connected with a measuring point B; One end of the C point lifting device is connected with the BC point and can be quickly folded, and the other end of the C point lifting device is connected wi