CN-122009555-A - Convenient fixing device of surveying instrument for unmanned aerial vehicle survey and drawing

CN122009555ACN 122009555 ACN122009555 ACN 122009555ACN-122009555-A

Abstract

The invention discloses a convenient fixing device of a surveying instrument for unmanned aerial vehicle surveying and mapping, which comprises an unmanned aerial vehicle main body, a hanging structure and an auxiliary measuring structure, wherein the hanging structure is connected with an unmanned aerial vehicle wing arm end through a hinge, and is arranged on the abdomen of the unmanned aerial vehicle in a sliding manner through a rigid fiber rod with a telescopic rod, an L-shaped tapered caliber water guide pipe is arranged on the lower surface of the L-shaped tapered caliber water guide pipe, a water diversion convex ridge is arranged on the lower surface of the L-shaped tapered caliber water guide pipe to reduce drag, an impeller in the pipe is driven by a bevel gear group and a reciprocating screw rod, the kinetic energy of water flow can be converted into lifting power, the hanging structure is driven by a transmission seat, a lifting block and the telescopic rod to lift in a reciprocating manner, meanwhile, an S-shaped swinging groove of the lifting block can drive a paddle to swing, the flying stability is enhanced, the device does not need an additional power source, the hollow protection fixing cover is convenient for dismounting and positioning of equipment, the rigid fiber rod and the telescopic rod can be matched with the flying gesture, and the comprehensiveness, efficiency and stability of river course surveying and mapping are effectively improved.

Inventors

Qian Shiji
HU YU
LI SONGPING
LEI JIANGUO
BI SHENG
HU MAN
SHI HAOYANG
CHEN DUAN
CAO HUIQUN
HUANG MINGHAI
LIU WENFEI
GUO HUI

Assignees

长江水利委员会长江科学院

Dates

Publication Date: 20260512
Application Date: 20260324

Claims (7)

1. Convenient fixing device of surveying instrument for unmanned aerial vehicle survey and drawing includes: An unmanned aerial vehicle body (1); the method is characterized in that: The suspension structure (2) is movably connected to the lower surfaces of the four wing arm ends of the unmanned aerial vehicle main body (1) through hinges; the auxiliary measuring structure (3) is arranged on the abdomen of the unmanned aerial vehicle main body (1) in a linear sliding manner and is positioned above the hanging structure (2); The auxiliary measuring structure (3) comprises a water guide pipe (31), a water diversion convex ridge matched with the water guide pipe (31) in the same path is integrally formed in the middle of the lower surface of the water guide pipe (31), a gear box (312) is integrally arranged in the water guide pipe (31) at one end close to water inlet, a bevel gear set (313) is arranged in the gear box (312) in a matched bearing, wherein the bevel gear set (313) consists of two bevel gears which are vertically distributed and meshed with each other, the shaft ends of the two bevel gears respectively penetrate out of the gear box (312) downwards and the pipe of the water guide pipe (31) to be connected with a reciprocating screw rod (321) and an impeller (314) in a key way, the main body of the reciprocating screw rod (321) is matched with a bearing in a rotating way inside a movable box (32) integrated with the bottom of a water guide pipe (31), a transmission seat (322) is matched with the screw rod of the reciprocating screw rod (321) in a transmission way in an adaptive way, a surface matched support of the transmission seat (322) is rigidly connected with a lifting block (323) which is slidingly restrained inside the movable box (32), the lower surfaces of the two lifting blocks (323) are rigidly connected with a traction rod (325), the center positions of the left side surface and the right side surface of the movable box (32) are freely movably connected with a paddle (326), the ball ends of the paddle (326) are movably inserted into a lifting room where the lifting block (323) inside the movable box (32) is positioned, and the surfaces of the two lifting blocks (323) are integrally concavely formed with S-shaped swinging grooves (324) which swing and drive the paddle (326) corresponding to the spherical ends of the paddle (326).
2. The portable fixing device of surveying instrument for unmanned aerial vehicle survey and drawing is characterized in that the hanging structure (2) comprises a hollowed-out protection fixing cover (21), the hollowed-out protection fixing cover (21) is a detachable net cage and is composed of a top cover and a net cage main body, the top cover and the net cage main body are integrally combined in a rotary buckling mode, detachable auxiliary positioning structures are preset in the hollowed-out protection fixing cover (21) according to the surveying instrument and other equipment for detecting a river channel, rigid fiber rods (22) with hinges arranged at the ends of the upper surface of the top cover of the hollowed-out protection fixing cover (21) are matched with all the arms of the unmanned aerial vehicle main body (1) to be integrally connected, wherein the rod bodies of the rigid fiber rods (22) are provided with fractures with the same length, and the fractures are coaxially connected again through telescopic rods (221).
3. The portable fixing device of a surveying instrument for unmanned aerial vehicle surveying and mapping according to claim 1, wherein the water guide pipe (31) is scaled from the front end of water to the bent inclined lower end of water to reduce the caliber.
4. The portable fixing device of the surveying instrument for unmanned aerial vehicle surveying and mapping according to claim 1, wherein the upper surface of the water guide pipe (31) is rigidly connected with a hanging installation pipe (311) under the cooperation of the reinforcing ribs, and the upper end of the hanging installation pipe (311) is movably arranged on the abdomen of the unmanned aerial vehicle main body (1).
5. The portable fixing device of the surveying instrument for unmanned aerial vehicle surveying and mapping according to claim 1, wherein the rod body of the traction rod (325) penetrates out of the movable box (32) downwards and is rigidly connected with the upper surface of the top cover of the hollowed-out protection fixing cover (21).
6. The portable fixing device for the surveying instrument for unmanned aerial vehicle surveying and mapping according to claim 1, wherein detection equipment such as the surveying instrument and the like assembled inside the unmanned aerial vehicle main body (1) and the hollowed-out protective fixed cover (21) are electrically connected through a data conducting wire (33), and the data conducting wire (33) passes through a water guide pipe (31), a hanging installation pipe (311), a gear box (312), a movable box (32) and a reciprocating screw rod (321).
7. The portable fixing device of the surveying instrument for unmanned aerial vehicle surveying and mapping according to claim 1, wherein the upper port and the lower port of the swinging groove (324) are respectively subjected to flaring treatment convenient to butt joint.

Description

Convenient fixing device of surveying instrument for unmanned aerial vehicle survey and drawing Technical Field The invention relates to the technical field of unmanned aerial vehicle application, in particular to a convenient fixing device of a surveying instrument for unmanned aerial vehicle surveying and mapping. Background Under the large trend of digital transformation and acceleration of infrastructure construction, the limitation of the traditional mapping mode is increasingly prominent, the artificial dependence is high, the operation efficiency is low, the operation is difficult to be carried out in complicated dangerous areas such as mountain areas, disaster sites and the like, the data processing is lagged, the result form is single, the requirements of modern society on high-precision, large-scale and dynamic geographic information cannot be met, meanwhile, the continuous breakthrough of unmanned aerial vehicle technology brings innovation opportunities for the mapping industry, the stability of flight control and the improvement of the cruising ability, and the integrated application of high-precision sensors such as laser radar (LiDAR), multispectral cameras and the like, the unmanned aerial vehicle realizes more accurate data acquisition, and the period from data acquisition to result output is greatly shortened by matching with intelligent data processing software. However, when the conventional unmanned aerial vehicle is matched with mapping and matched detection equipment to perform river course mapping detection (especially in the downstream of a high dam and in large and medium-sized water diversion projects), fixed point detection is generally performed under a stable posture for ensuring safety, and as the fixed detection point can only cover a limited section or a single depth range, the whole condition of a river course is difficult to be completely presented, so that the prior art scheme is difficult to meet the high-efficiency, safe and comprehensive monitoring requirements. Therefore, a convenient fixing device of surveying instrument for unmanned aerial vehicle survey is proposed. Disclosure of Invention The invention aims to provide a convenient fixing device for a surveying instrument for unmanned aerial vehicle surveying and mapping, which is used for solving the problem that the coverage range is limited when the conventional unmanned aerial vehicle is matched with surveying and mapping equipment to carry out river channel surveying and mapping in the background technology. In order to achieve the purpose, the invention provides the following technical scheme that the convenient fixing device of the surveying instrument for unmanned aerial vehicle surveying and mapping comprises the following components: An unmanned aerial vehicle main body; the suspension structure is movably connected to the lower surfaces of the four wing arm ends of the unmanned aerial vehicle main body through hinges; the auxiliary measuring structure is arranged on the abdomen of the unmanned aerial vehicle body in a linear sliding manner and is positioned above the hanging structure; The auxiliary measuring structure comprises a water guide pipe, the middle position integrated into one piece of water guide pipe lower surface has the water diversion ridge that matches with the water guide pipe with the route, the inside of water guide pipe is being close to the one end an organic whole that goes into water and is provided with the gear box, and the inside cooperation bearing of gear box is provided with bevel gear group, wherein, bevel gear group comprises two perpendicular distribution and intermeshing 'S bevel gears, and the axle head of two bevel gears respectively wear out the gear box downwards and in the pipe of water guide pipe and carry out the key connection with reciprocating screw and impeller, the main part cooperation bearing of reciprocating screw is rotatory to be cooperated in the inside of the movable box of water guide pipe bottom an organic whole, and the transmission cooperation has the transmission seat on reciprocating screw' S the lead screw, and the surface cooperation support of transmission seat and the lifting piece rigid connection of slip constraint in the inside of movable box, two the equal rigid connection of lower surface of lifting piece has the traction lever, the central point of the side is connected with the paddle freely movably in the center position, and the ball end activity of paddle alternates to the lifting room that the inside lifting piece of movable box is located, and the surface of two lifting pieces corresponds the integrative shaping of ball end of paddle and have the sunken shaping paddle S to swing groove that swings. Preferably, the suspended structure includes the fixed cover of fretwork protection, the fixed cover of fretwork protection is detachable box with a net, comprises top cap and box with a net main part, and adopts rotatory buckle's mode