CN-224197979-U - Unmanned aerial vehicle for ground subsidence monitoring

CN224197979UCN 224197979 UCN224197979 UCN 224197979UCN-224197979-U

Abstract

The utility model relates to the technical field of unmanned aerial vehicles, and provides an unmanned aerial vehicle for ground subsidence monitoring, which comprises an unmanned aerial vehicle body; the monitoring mechanism is connected to the bottom of the unmanned aerial vehicle body and comprises rolling bodies and a sensor, wherein the rolling bodies are suitable for being in contact with the ground and can slide close to or far away from the unmanned aerial vehicle body, and the sensor is used for monitoring the height change of the rolling bodies relative to the unmanned aerial vehicle body. So set up, when being difficult to normal use because of weather interference leads to traditional supervisory equipment, can make unmanned aerial vehicle low altitude flight, the rolling element of unmanned aerial vehicle bottom contacts with ground, when meetting ground fluctuation and changing, the rolling element can be close to or keep away from unmanned aerial vehicle body and slide, the subsidence condition on ground can be measured to the high change that detects the rolling element relative to unmanned aerial vehicle body through the sensor this moment, avoided effectively because of factors such as weather interference lead to unable effective monitoring's problem, high-efficient and high accuracy data acquisition has been realized, and the suitability is improved.

Inventors

LUO ZHENLI
LI SHINIAN
HOU YANKAI
ZHAO XIAOJING
FANG LE
MOU HONGTAO
WANG XIURONG

Assignees

中国煤炭地质总局勘查研究总院
中煤地(北京)地质科学技术研究院有限责任公司

Dates

Publication Date: 20260505
Application Date: 20250620

Claims (10)

1. Unmanned aerial vehicle is used in ground subsidence monitoring, a serial communication port includes: an unmanned aerial vehicle body (10); A monitoring mechanism (20) connected to the bottom of the unmanned aerial vehicle body (10), the monitoring mechanism (20) comprising a rolling body (21) and a sensor (22); The rolling bodies (21) are suitable for being contacted with the ground and can slide close to or far away from the unmanned aerial vehicle body (10); The sensor (22) is used for monitoring the height change of the rolling bodies (21) relative to the unmanned aerial vehicle body (10).
2. The ground settlement monitoring unmanned aerial vehicle according to claim 1, wherein the monitoring mechanism (20) further comprises: The fixing frame (23) is connected to the bottom of the unmanned aerial vehicle body (10); And the mounting part (24) is connected to the fixing frame (23) in a sliding manner, and the rolling bodies (21) are connected to the mounting part (24) in a rolling manner.
3. The unmanned aerial vehicle for monitoring ground subsidence according to claim 2, wherein the mounting portion (24) is of a shell structure and is open at one end facing away from the unmanned aerial vehicle body (10); The rolling bodies (21) are balls, one part of each ball is embedded in the mounting part (24), and the other part of each ball is exposed out of the opening.
4. The unmanned aerial vehicle for monitoring ground subsidence according to claim 2, further comprising an elastic return structure provided between the mount (23) and the mounting portion (24); The elastic reset structure is suitable for providing a pretightening force for the installation part (24) moving away from the direction of the unmanned aerial vehicle body (10).
5. The unmanned aerial vehicle for monitoring ground subsidence according to claim 1, wherein the monitoring mechanism (20) is detachably connected to the unmanned aerial vehicle body (10).
6. The unmanned aerial vehicle for monitoring ground subsidence according to any one of claims 1 to 5, further comprising landing gear (30); Landing gear (30) pass through elevating system connect in the bottom of unmanned aerial vehicle body (10), make landing gear (30) can be close to or keep away from unmanned aerial vehicle body (10) motion.
7. The ground settlement monitoring unmanned aerial vehicle according to claim 1, wherein the unmanned aerial vehicle body (10) comprises a fuselage (12); The unmanned aerial vehicle is characterized in that a circuit bin (13) for accommodating a circuit board is connected to the machine body (12), an air hole (130) for air to pass through is formed in the bin wall of the circuit bin (13), and the air hole (130) is formed in two opposite sides of the circuit bin (13) along the flight direction of the unmanned aerial vehicle body (10).
8. The unmanned aerial vehicle for monitoring ground subsidence according to claim 7, wherein a filter plate (131) is provided in the circuit bin (13); A circuit board placement area (132) is formed in the circuit bin (13), and the circuit board placement area (132) and the air hole (130) are separated by the filter plate (131).
9. The unmanned aerial vehicle for monitoring ground subsidence according to claim 7, wherein the electrical circuit bay (13) is detachably connected to the fuselage (12).
10. The unmanned aerial vehicle for monitoring ground subsidence according to claim 1, wherein the unmanned aerial vehicle body (10) comprises: A body (12) which is disc-shaped and has a circumferential storage groove on the outer periphery; The machine arm (15) is hinged with the machine body (12) at one end and extends out of the machine body (12) at the other end, and the machine arm (15) is arc-shaped and has the same curvature as the storage groove, so that the machine arm (15) can rotate around a hinge point and is embedded into the storage groove; a propeller (16) connected to the horn (15); The driving structure is suitable for driving the horn (15) to rotate around the hinge point.

Description

Unmanned aerial vehicle for ground subsidence monitoring Technical Field The utility model relates to the technical field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle for ground subsidence monitoring. Background Ground subsidence is a phenomenon of ground height drop caused by underground resource exploitation, geological structure activities or human activities, and the like, and the ground subsidence poses serious threat to urban infrastructure, ecological environment and life safety of people. The ground subsidence monitoring is an important means for preventing the damage caused by the ground subsidence and reducing the loss caused by the ground subsidence. The traditional ground settlement monitoring methods such as manual leveling, ground observation stations, GNSS equipment and the like have the problems of low efficiency, high cost, limited coverage range and the like. In recent years, due to development of unmanned aerial vehicle technology, unmanned aerial vehicle-based laser radar (LiDAR) and photogrammetry technologies are becoming an important means for ground subsidence monitoring due to the advantages of flexibility, high efficiency and low cost. However, the existing unmanned aerial vehicle for ground subsidence monitoring is monitored by utilizing an optical camera and a laser radar, and when the unmanned aerial vehicle encounters rainy or haze weather, the optical camera and the laser radar are affected, so that the monitored data have large deviation, and the monitored data cannot be used normally. Disclosure of utility model The utility model provides an unmanned aerial vehicle for ground settlement monitoring, which is used for solving the defects that the traditional monitoring equipment in the prior art is easily interfered by factors such as weather and the like and the accuracy of data is ensured, effectively avoiding the problem that the traditional unmanned aerial vehicle cannot be effectively monitored due to the interference of the factors such as weather and the like, realizing high-efficiency and high-precision data acquisition and improving the applicability and the monitoring convenience. The utility model provides an unmanned aerial vehicle for ground settlement monitoring, which comprises the following components: an unmanned aerial vehicle body; The monitoring mechanism is connected to the bottom of the unmanned aerial vehicle body and comprises a rolling body and a sensor; The rolling bodies are suitable for being contacted with the ground and can slide close to or far away from the unmanned aerial vehicle body; The sensor is used for monitoring the height change of the rolling body relative to the unmanned aerial vehicle body. According to the unmanned aerial vehicle for monitoring ground subsidence provided by the utility model, the monitoring mechanism further comprises: The fixing frame is connected to the bottom of the unmanned aerial vehicle body; And the mounting part is connected to the fixing frame in a sliding way, and the rolling bodies are connected to the mounting part in a rolling way. According to the unmanned aerial vehicle for ground settlement monitoring, the installation part is of a shell structure, and one end of the installation part, which is away from the unmanned aerial vehicle body, is open; The rolling bodies are balls, one part of each ball is embedded in the mounting part, and the other part of each ball is exposed out of the opening. According to the unmanned aerial vehicle for ground settlement monitoring, the sliding groove facing the direction of the unmanned aerial vehicle body is formed in the fixing frame, the movable block is fixedly connected to the mounting portion, and the movable block is slidably embedded in the sliding groove. According to the unmanned aerial vehicle for monitoring ground subsidence, the monitoring mechanism further comprises an elastic reset structure arranged between the fixing frame and the mounting part; The elastic reset structure is suitable for providing a pretightening force far away from the direction motion of the unmanned aerial vehicle body for the installation part. According to the unmanned aerial vehicle for ground subsidence monitoring provided by the utility model, the elastic reset structure comprises: The guide rod is arranged along the extending direction of the sliding groove, and the movable block is sleeved on the guide rod in a sliding manner; And one end of the return spring is abutted with the movable block, and the other end of the return spring is abutted with the end wall of the sliding groove. According to the unmanned aerial vehicle for ground settlement monitoring, the monitoring mechanism is detachably connected with the unmanned aerial vehicle body. According to the unmanned aerial vehicle for ground subsidence monitoring, provided by the utility model, the bottom of the unmanned aerial vehicle body is fixedly connected with the positioning frame, and