阅读说明：本技术 无人机的机臂、无人机及机臂的制造方法 (Unmanned aerial vehicle arm, unmanned aerial vehicle and manufacturing method of arm ) 是由 肖锭锋 谭亚辉 于 2019-10-17 设计创作，主要内容包括：本发明公开了一种无人机的机臂、无人机和机臂的制造方法,无人机的机臂,包括：内衬和外衬,内衬为中空结构,内衬为玻璃纤维件；外衬包裹在内衬的外侧,外衬为碳纤维件,其中,内衬的厚度为A1,外衬的厚度为A2,内衬的厚度A1与外衬的厚度A2的比值满足：1≤A1/A2≤2。根据本发明实施例的无人机的机臂,通过将内衬设置为玻璃纤维件,并将内衬的厚度A1与外衬的厚度A2的比值设置为：1≤A1/A2≤2,有效地减轻了机臂的重量,提高了机臂的强度,并减小了机臂的震动。(The invention discloses an unmanned aerial vehicle arm, an unmanned aerial vehicle and a manufacturing method of the arm, wherein the arm of the unmanned aerial vehicle comprises the following components: the inner liner is of a hollow structure, and the inner liner is a glass fiber piece; the outside at the inside lining is wrapped to the outer lining, and the outer lining is carbon fiber spare, and wherein, the thickness of inside lining is A1, and the thickness of outside lining is A2, and the ratio of the thickness A1 of inside lining and the thickness A2 of outside lining satisfies: A1/A2 is more than or equal to 1 and less than or equal to 2. According to the horn of the unmanned aerial vehicle of the embodiment of the invention, the inner lining is set to be the glass fiber piece, and the ratio of the thickness A1 of the inner lining to the thickness A2 of the outer lining is set as follows: A1/A2 is more than or equal to 1 and less than or equal to 2, so that the weight of the horn is effectively reduced, the strength of the horn is improved, and the vibration of the horn is reduced.)

1. An unmanned aerial vehicle's horn, its characterized in that includes:

the lining is of a hollow structure and is a glass fiber piece;

the outer lining is wrapped on the outer side of the inner lining and is made of carbon fiber, the thickness of the inner lining is A1, the thickness of the outer lining is A2, and the ratio of the thickness A1 of the inner lining to the thickness A2 of the outer lining satisfies the following conditions: A1/A2 is more than or equal to 1 and less than or equal to 2.

2. The drone of claim 1, wherein the ratio of the thickness a1 of the inner liner to the thickness a2 of the outer liner satisfies: a1/a2 equals 1.5.

3. The drone horn of claim 1, wherein the inner liner has an outer diameter of D1, the horn has an outer diameter of D2, and the ratio of the inner liner outer diameter D1 to the horn outer diameter D2 is such that: D1/D2 is more than or equal to 0.7 and less than or equal to 0.99.

4. The drone horn of claim 3, wherein the ratio of the inner liner outer diameter D1 to the horn outer diameter D2 satisfies 0.9 ≦ D1/D2 ≦ 0.95.

5. The drone horn of claim 1, wherein the inner liner and the outer liner are adhesively attached by epoxy.

6. The drone horn of claim 1, wherein a shock absorbing layer is disposed between the inner liner and the outer liner.

7. The horn of claim 6, wherein the shock absorbing layer is a nano rubber material.

8. A drone, characterized in that it comprises a horn of a drone according to any one of claims 1 to 7.

9. A manufacturing method of a horn of an unmanned aerial vehicle is characterized by comprising the following steps:

winding the glass fiber cloth into a tubular shape to form a lining;

and winding the carbon fiber cloth on the outer side of the inner liner to form the outer liner.

10. The method of manufacturing an arm of an unmanned aerial vehicle according to claim 9, wherein the glass fiber cloth is impregnated in epoxy resin before being wound in a tubular shape, and the impregnated glass fiber cloth is half-dried.

11. The method of claim 10, wherein the carbon fiber cloth is impregnated in epoxy resin before being wrapped around the inner liner, and the impregnated carbon fiber cloth is half-dried.

12. The method of claim 11, wherein before the carbon fiber cloth is wrapped around the inner lining, the layers of glass fiber cloth are tightly connected by heating and pressing, and then cured and molded to form the inner lining;

after the carbon fiber cloth is wound on the outer side of the lining, the layers of the carbon fiber cloth are tightly connected in a heating and pressurizing compounding mode, so that the carbon fiber cloth is solidified and molded and is wrapped on the outer side of the lining.

13. The method of claim 11, wherein after the carbon fiber cloth is wrapped around the inner liner, the layers of glass fiber cloth and the layers of carbon fiber cloth are tightly bonded together by heating and pressing, and then cured.