CN-122009489-A - Low-altitude spraying operation system

CN122009489ACN 122009489 ACN122009489 ACN 122009489ACN-122009489-A

Abstract

The embodiment of the application is suitable for the technical field of low-altitude operation, and provides a low-altitude spraying operation system, wherein the weight of a flexible pipe movable part of an aircraft is preset according to the maximum load of the aircraft, the length of the movable part is preset according to the shortest safety distance between the aircraft and an operation surface, the maximum load of the aircraft is larger than the sum of the weight load of a spraying device, the weight load born by the movable part and the external force load formed by the lateral tension of the movable part, so that the overload of the aircraft is avoided, the aircraft can resist the lateral disturbance of the flexible pipe, the length of the movable part is larger than the shortest safety distance between the aircraft and the operation surface minus the horizontal distance between a connecting point and the operation surface, the length of the movable part is positively correlated with the weight of the movable part, and the operation safety of the aircraft is further ensured.

Inventors

LI MINGZHAO
Miao Kuizong
TAN WENYUAN
Lai Huikang
DING ZHIXIANG

Assignees

万勋科技(深圳)有限公司

Dates

Publication Date: 20260512
Application Date: 20241111

Claims (7)

1. The low-altitude spraying operation system is characterized by comprising an aircraft, a spraying device connected to a mounting area of the aircraft, a hose arranged at a high position and connected with an access port of the spraying device, and a haulage rope arranged at a low position and connected with the hose, wherein the hose comprises a movable part close to the aircraft and a fixed part far away from the aircraft, and the movable part and the fixed part are separated by a connecting point of the hose and the haulage rope; The weight of the movable part is preset according to the maximum load of the aircraft, the length of the movable part is preset according to the shortest safety distance between the aircraft and the working surface, the maximum load of the aircraft is larger than the sum of the weight load of the spraying device, the weight load born by the movable part and the external force load formed by the lateral pulling force of the movable part, the length of the movable part is larger than the shortest safety distance between the aircraft and the working surface minus the horizontal distance between the connecting point and the working surface, the length of the movable part is positively related to the weight of the movable part, and the lateral pulling force is formed when the movable part is bent and changes along with the change of the bending angle.
2. The system of claim 1, wherein the angle of curvature of the movable portion varies as the position of the connection point of the aircraft to the connection point varies; And/or the number of the groups of groups, The bending angle of the movable part is changed under the influence of wind resistance.
3. The system of claim 2, wherein the angle of curvature of the movable portion is related to the lateral distance of the connection point from the aircraft.
4. The system of claim 2, wherein the weight load carried by the movable portion to the aircraft is associated with a longitudinal elevation difference of the connection point from the aircraft.
5. The system of claim 1, wherein the intersection point formed by the hose high outlet as the origin and the point of the low elevation side most protruding as the tangent point, extending downward to the ground, is defined as the fixed point of the second receiver, preventing the pipe from being stuck.
6. The system of claim 5, wherein the hose is reeled in and out by a first reel, the hauling cable is reeled in and out by a second reel, and the fixing portion and the hauling cable are pulled in opposite directions by controlling rotation of the first reel and the second reel, so as to avoid swinging of the fixing portion and influence on stability of the aircraft.
7. The system of claim 6, wherein the connection point is adaptively adjusted as the aircraft flying height varies.

Description

Low-altitude spraying operation system Technical Field The application belongs to the technical field of low-altitude operation, and particularly relates to a low-altitude spraying operation system. Background The low-altitude spraying operation is widely applied to low-altitude operation scenes in the industries of energy power, building detection, wind power operation and maintenance and the like. For example, in the energy and power industry, low-altitude spraying can be used for operation and maintenance work such as equipment cleaning, paint repair, rust removal and the like, and is mainly used for cleaning wall surfaces in hotel apartments. At present, low-altitude spraying is still highly dependent on traditional manual operation, so that the efficiency is low, the cost is high, and certain safety risks exist. Along with the expansion of unmanned aerial vehicle application scene, low altitude spraying operation adopts unmanned aerial vehicle to replace the manual work gradually, but is limited by unmanned aerial vehicle load capacity and the influence of various adverse factors in the operational environment, still has the problem that side disturbance is big, unmanned aerial vehicle easily overloads in the low altitude spraying operation process. Disclosure of Invention In view of the above, the embodiment of the application provides a low-altitude spraying operation system for reducing lateral disturbance in the low-altitude spraying operation process of an unmanned aerial vehicle and improving operation safety. The embodiment of the application provides a low-altitude spraying operation system, which comprises an aircraft, a spraying device connected to a mounting area of the aircraft, a hose arranged at a high position and connected with an access port of the spraying device, and a traction rope arranged at a low position and connected with the hose, wherein the hose comprises a movable part close to the aircraft and a fixed part far away from the aircraft, and the movable part and the fixed part take a connection point of the hose and the traction rope as a boundary; The weight of the movable part is preset according to the maximum load of the aircraft, and the length of the movable part is preset according to the shortest safety distance between the aircraft and the working surface; the maximum load of the aircraft is larger than the sum of the weight load of the spraying device, the weight load born by the aircraft by the movable part and the external force load formed by the lateral pulling force of the movable part, the length of the movable part is larger than the shortest safety distance between the aircraft and the working surface minus the horizontal distance between the connecting point and the working surface, the length of the movable part is positively related to the weight of the movable part, and the lateral pulling force is formed when the movable part is bent and changes along with the change of the bending angle. Compared with the prior art, the embodiment of the application has the following advantages: According to the embodiment of the application, the weight of the movable part of the aircraft hose is preset according to the maximum load of the aircraft, the length of the movable part is preset according to the shortest safety distance between the aircraft and the working surface, the maximum load of the aircraft is larger than the sum of the weight load of the spraying device, the weight load born by the movable part to the aircraft and the external force load formed by the lateral tension of the movable part, so that the overload of the aircraft is avoided, the aircraft can resist the lateral disturbance of the hose, the length of the movable part is larger than the shortest safety distance between the aircraft and the working surface minus the horizontal distance between the connecting point and the working surface, and the length of the movable part is positively correlated with the weight of the movable part, so that the working safety of the aircraft is further ensured. Drawings In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings that are required to be used in the embodiments or the description of the prior art. FIG. 1 is a schematic diagram of a low-altitude spray operation system according to an embodiment of the present application; FIG. 2 is a schematic diagram of another low-altitude spray operation system according to an embodiment of the present application; Fig. 3 is a schematic diagram of another low-altitude spraying operation system according to an embodiment of the present application. Detailed Description In the following description, for purposes of explanation and not limitation, specific details are set forth such as the particular system architecture, techniques, etc., in order to provide a thorough understanding of the embodiments of the present a