River channel cruise unmanned aerial vehicle

Abstract

The invention discloses a riverway cruise unmanned aerial vehicle which comprises a vehicle body and a supporting frame arranged at the bottom of the vehicle body and further comprises a winding device arranged on the supporting frame, a detection device arranged on the winding device and a telescopic positioning piece arranged on the supporting frame. The winding device comprises a first cylinder, a second cylinder and a driving assembly, the first cylinder and the second cylinder are rotationally arranged on the supporting frame, the driving assembly is used for driving the first cylinder or the second cylinder to rotate, and the first cylinder and the second cylinder are coaxially arranged; the detection device comprises a probe and a cable connected with the probe, the cable is connected to the first barrel, and the probe is located in the telescopic positioning piece. The stability of the probe during testing can be improved, and the probe can be rotated to test multiple groups of data at the same position.

Description

Technical Field

[0001] The present application relates to the technical field of drones, and in particular to a river cruising drone. Background Art

[0002] River patrol drones, intelligent devices that integrate aviation, remote sensing, communications, and artificial intelligence, have become an indispensable tool for modern water management. Their core functions encompass river monitoring, water quality monitoring, emergency response, and other areas, enabling comprehensive awareness of the water environment through high-precision sensors.

[0003] In water quality monitoring, a drone is equipped with a winch, around which the cable of the water quality sensor probe is wound. After the drone reaches the predetermined detection point, the probe is lowered by the winch, immersed in the water, and measured for parameters such as dissolved oxygen. The probe is connected to the winch via a cable, and during testing, it is susceptible to vibrations caused by wind and currents, which can affect test results. Summary of the Invention

[0004] The present application provides a river cruising drone.

[0005] This application adopts the following technical solutions:

[0006] A river cruising drone comprises a body, a support frame arranged at the bottom of the body, a winding device arranged on the support frame, a detection device arranged on the winding device, and a telescopic positioning member arranged on the support frame; the winding device comprises a first cylinder and a second cylinder rotatably arranged on the support frame, and a drive assembly for driving the first cylinder or the second cylinder to rotate, the first cylinder and the second cylinder being coaxially arranged; the detection device comprises a probe and a cable connected to the probe, the cable being connected to the first cylinder, and the probe being located in the telescopic positioning member;

[0007] A connecting frame is horizontally arranged on the support frame, the telescopic positioning member is installed on the connecting frame, and a synchronizing member is arranged between the second cylinder and the telescopic positioning member. After the driving assembly drives the first cylinder to rotate and lowers the probe to the lowest position, the driving assembly can be separated from the first cylinder and drive the second cylinder to rotate synchronously, so that the second cylinder drives the telescopic positioning member to rotate along the circumferential direction through the synchronizing member.

[0008] By adopting the above technical solution, after flying to the predetermined position, the drone hovers, and then the first cylinder rotates to lower the probe. The probe is connected to the telescopic positioning member, and the telescopic positioning member moves downward with the probe. Under the limiting effect of the telescopic positioning member, the probe is not likely to shake, thereby improving the stability of the probe during the test process and the accuracy of the test results. When the drive assembly separates from the first cylinder and drives the second cylinder to rotate, the telescopic positioning member is driven circumferentially by the synchronization member, thereby driving the rotation of the probe. That is, after the probe rotates, it can continue to test the test position multiple times, further improving the accuracy of data collection.

[0009] Optionally, the telescopic positioning member includes a rotating seat rotatably set on the connecting frame, an outer cylinder set on the lower surface of the rotating seat, and an inner cylinder slidably set in the outer cylinder. The probe slides up and down in the inner cylinder, and the rotating seat and the synchronizing member are connected; when the probe is lowered, the probe passes through the lower end of the inner cylinder, and the lower end of the inner cylinder passes through the lower end of the outer cylinder.

[0010] By adopting the above technical solution, the telescopic positioning member is connected through the inner tube and the outer tube, the telescopic structure is simple, and when the probe is lowered, the inner tube can easily slide out from the lower end of the outer tube.

[0011] Optionally, a first limit block is provided on the upper side wall of the probe, and a first limit groove is provided on the inner wall of the inner tube for the first limit block to slide up and down; a second limit block is provided on the upper outer wall of the inner tube, and a second limit groove is provided on the inner wall of the outer tube for the second limit block to slide up and down.

[0012] By adopting the above technical solution, when the probe moves up and down, the inner tube can easily move up and down with the probe.

[0013] Optionally, a first mounting plate and a second mounting plate are symmetrically arranged on the support frame, and the first cylinder and the second cylinder are rotatably connected to the first mounting plate and the second mounting plate respectively; the driving assembly includes a driving rod rotatably arranged on the second mounting plate, a driving source mounted on the second mounting plate and used to drive the driving rod to rotate, and a mounting seat arranged at an end of the driving rod away from the driving source, the driving rod passing through the second cylinder and extending into the inner cavity of the first cylinder; a first linkage and a second linkage are installed on the mounting seat, and when the first linkage and the first cylinder cooperate, the second linkage and the second cylinder are separated, so that the rotation of the driving rod drives the first cylinder to rotate; when the first linkage and the first cylinder are separated, the second linkage and the second cylinder cooperate, so that the rotation of the driving rod drives the second cylinder to rotate.

[0014] By adopting the above technical solution, when the driving source drives the driving rod to rotate, the mounting seat is connected to the first cylinder through the first linkage member, thereby driving the first cylinder to rotate. When the driving rod cooperates with the second cylinder through the second linkage member, it can drive the second cylinder to rotate.

[0015] and a second elastic member is provided between the first cylinder and the mounting base; the inner wall of the first cylinder is provided with a toothed structure, and when the moving seat moves in a direction close to the mounting seat, the moving seat can push the penetrating rod to slide, and one end of the sliding rod is pushed by the penetrating rod to abut against the toothed structure; when the moving seat moves in a direction away from the mounting seat, the second elastic member drives the penetrating rod to reset, and the first elastic member drives the sliding rod to slide into the sliding groove.

[0016] By adopting the above technical solution, when the moving seat moves toward the mounting seat and abuts against the through rod, it pushes the through rod to move, and the through rod drives the sliding rod to move and abut against the tooth structure position on the inner wall of the first cylinder, so that the rotation of the driving rod synchronously drives the rotation of the first cylinder.

[0017] Optionally, the second linkage member includes a circular ring arranged at one end of the penetrating rod away from the mounting seat, the inner wall of the second cylinder is provided with an extension strip, and a plurality of the extension strips are evenly arranged along the circumference of the second cylinder, and adjacent extension strips form a plug-in groove, and the side wall of the circular ring is provided with a protrusion, and when the second elastic member drives the penetrating rod to reset, the protrusion can be plugged into the plug-in groove.

[0018] By adopting the above technical solution, when the moving seat moves away from the mounting seat, the second elastic member drives the penetrating rod to reset, and the protrusion can abut against the plug-in groove, so that the rotation of the driving rod synchronously drives the rotation of the second cylinder.

[0019] Optionally, one end of the extension strip close to the ring is a pointed structure.

[0020] By adopting the above technical solution, the protrusion can be more easily abutted against the abutting groove.

[0021] Optionally, the synchronizer includes a synchronizer wheel coaxially arranged on the side wall of the second cylinder, a bevel gear rotatably arranged on the connecting frame, and a synchronizer belt connected between the synchronizer wheel and the bevel gear. Conical teeth are arranged on the rotating seat in a circumferential direction, and the bevel gear and the conical teeth are meshed with each other.

[0022] By adopting the above technical solution, the rotation of the second cylinder can drive the rotating seat to rotate, thereby driving the telescopic positioning member to rotate.

[0023] Optionally, a mounting groove is provided on the rotating seat, and the upper end of the outer cylinder is slidably inserted into the mounting groove. An extension block is provided on the side wall of the upper end of the outer cylinder, and a clearance groove is provided on the inner wall of the mounting groove. The extension block extends into the clearance groove, and a resistance member is provided on the connecting frame. When the rotating seat rotates, the resistance member can drive the outer cylinder to slide upward.

[0024] By adopting the above technical solution, the outer cylinder can slide upward a certain distance during rotation, thereby reducing the situation where the cable is pulled during rotation and improving the stability of the cable connection.

[0025] Optionally, the resistance member includes a resistance ring arranged on the lower surface of the connecting frame, the resistance ring and the outer cylinder are coaxially arranged, the extension block is provided with a resistance rod sliding through the bottom surface of the give way groove, the upper surface of the resistance ring is provided with a notch, and the side wall of the notch is inclined, when the rotating seat rotates, the resistance rod can be pressed by the side wall of the notch and move upward.

[0026] By adopting the above technical solution, under the action of the resistance ring, the resistance rod can be pushed to slide upward for a certain distance, and the outer cylinder can be driven to slide upward for a certain distance simultaneously.

[0027] In summary, this application has at least one of the following beneficial effects:

[0028] 1. After the drone hovers at the position to be tested, the driving assembly first drives the first cylinder to rotate, so that the probe is gradually lowered, and the inner cylinder can also move downward with the probe. Under the positioning effect of the inner cylinder, the probe is not easy to shake; when the probe is lowered to the lowest position, the driving assembly and the first cylinder are separated. At this time, data is first collected through the probe, and then the driving assembly continues to move and starts to drive the second cylinder to rotate. The rotating seat can rotate circumferentially, thereby enabling the probe to rotate. Therefore, the probe can be rotated at the same position to test multiple sets of data, thereby improving the accuracy of data collection.

[0029] 2. During the rotation of the rotating seat, the outer cylinder can be driven to slide upward a certain distance synchronously, so that the cable is not easily pulled when the rotating seat rotates, thereby maintaining the stability of the connection between the cable and the probe. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a structural diagram of an embodiment of the present application;

[0031] Figure 2 is a schematic diagram of a winding device in an embodiment of the present application;

[0032] Figure 3 This is a schematic diagram showing the bottom structure of the connecting frame in an embodiment of the present application;

[0033] Figure 4 is a schematic cross-sectional view of a telescopic positioning member in an embodiment of the present application;

[0034] Figure 5 is a schematic cross-sectional view of a winding device in an embodiment of the present application;

[0035] Figure 6 is a schematic cross-sectional view of a mounting base in an embodiment of the present application;

[0036] Figure 7 It is a structural schematic diagram of the extension strip in the embodiment of the present application.

[0037] Explanation of the accompanying symbols: 101, body; 102, support frame; 1, through rod; 3, winding device; 31, first cylinder; 32, second cylinder; 33, driving assembly; 331, driving rod; 332, driving source; 333, mounting seat; 4, detection device; 41, cable; 42, probe; 43, control panel; 5, telescopic positioning member; 51, rotating seat; 52, outer cylinder; 53, inner cylinder; 6, connecting frame; 7, synchronous member; 71, synchronous wheel; 72, synchronous belt; 73, bevel gear; 8, first limit block; 9, first limit groove; 10, second limit Block; 11. Second limiting groove; 12. First mounting plate; 13. Second mounting plate; 14. First linkage member; 141. Sliding rod; 142. First elastic member; 15. Second linkage member; 151. Ring; 152. Protrusion; 16. Moving seat; 17. Guide member; 18. Sliding groove; 19. Through groove; 20. Second elastic member; 21. Toothed structure; 22. Extension strip; 23. Insertion groove; 24. Conical teeth; 25. Mounting groove; 26. Extension block; 27. Giving way groove; 28. Interference member; 281. Interference ring; 29. Interference rod; 30. Notch. DETAILED DESCRIPTION

[0038] The present application is further described in detail below with reference to the accompanying drawings.

[0039] The embodiment of the present application discloses a river cruise drone. Figure 1 and Figure 2The drone includes a body 101 and a support frame 102 installed at the bottom of the body 101, a winding device 3 installed on the support frame 102, a detection device 4 arranged on the winding device 3, and a telescopic positioning member 5 installed on the support frame 102, and the telescopic positioning member 5 is located below the winding device 3.

[0040] Reference Figure 2 , a first mounting plate 12 and a second mounting plate 13 are symmetrically fixed on the support frame 102. The winding device 3 includes a first cylinder 31 rotatably mounted on the first mounting plate 12 by means of a bearing or the like, a second cylinder 32 rotatably mounted on the second mounting plate 13, and a driving assembly 33 mounted on the second mounting plate 13, and the driving assembly 33 is used to drive the first cylinder 31 or the second cylinder 32 to rotate. The first cylinder 31 and the second cylinder 32 are both cylindrical structures with hollow interiors, and the first cylinder 31 and the second cylinder 32 are coaxially arranged. The detection device 4 includes a probe 42 and a cable 41 mounted on the probe 42. One end of the cable 41 passes through the side wall of the first cylinder 31 and extends into the inner cavity of the first cylinder 31. A control panel 43 is fixed to the end of the first cylinder 31 facing away from the second cylinder 32, and the cable 41 passes through the first cylinder 31 and is connected to the control panel 43. When the first cylinder 31 rotates, the cable 41 can be wound around the surface of the first cylinder 31 to move the probe 42 upward, or the cable 41 can be unwound to move the probe 42 downward.

[0041] Reference Figure 3 and Figure 4 A connecting frame 6 is horizontally mounted on the support frame 102, and a telescopic positioning member 5 is mounted on the connecting frame 6. The telescopic positioning member 5 includes a rotating base 51 rotatably mounted on the connecting frame 6 by means of a bearing or the like, an outer cylinder 52 mounted on the lower surface of the rotating base 51, and an inner cylinder 53 slidably mounted in the inner cavity of the outer cylinder 52. The lower ends of the outer cylinder 52 and the inner cylinder 53 are both open structures. The probe 42 is mounted in the inner cylinder 53. When the probe 42 is lowered, the probe 42 passes through the lower end of the inner cylinder 53, and the inner cylinder 53 slides down with the probe 42 and passes through the lower end of the outer cylinder 52. Under the positioning effect of the inner cylinder 53, the probe 42 is not easily shaken by water flow or the like during testing.

[0042] Reference Figure 2A synchronizer 7 is installed between the second cylinder 32 and the rotating base 51. When the drive assembly 33 drives the first cylinder 31 to rotate so that the probe 42 is placed at the lowest position, the drive assembly 33 can then drive the second cylinder 32 to rotate, and the second cylinder 32 drives the rotating base 51 to rotate through the synchronizer 7. Therefore, during testing, the probe 42 is tested first, and then the rotating base 51 is rotated by the rotation of the second cylinder 32, thereby driving the rotation of the probe 42. This allows the probe 42 to continue to collect multiple sets of data at the same position after rotation, thereby improving the comprehensiveness and accuracy of the collected data.

[0043] Reference Figure 4 A first stopper 8 is symmetrically fixed to the upper sidewall of the probe 42. A first stopper slot 9 is defined in the inner wall of the inner tube 53. The first stopper 8 extends into the first stopper slot 9, allowing the probe 42 to slide up and down within the inner tube 53. A second stopper 10 is symmetrically fixed to the upper outer wall of the inner tube 53. A second stopper slot 11 is defined in the inner wall of the outer tube 52 for the second stopper 10 to slide up and down. When the probe 42 is lowered, the first stopper 8 abuts the upper end of the first stopper slot 9, and the inner tube 53 moves downward with the probe 42. When the second stopper 10 abuts the lower end of the second stopper slot 11, the probe 42 continues to lower, and the first stopper 8 slides downward within the first stopper slot 9, allowing the probe 42 to pass through the lower end of the inner tube 53. When the probe 42 is at its lowest position, the cable 41 is straightened, and the first stopper 8 can precisely abut the lower end of the first stopper slot 9.

[0044] Reference Figure 2 and Figure 5 The driving assembly 33 includes a driving rod 331 rotatably mounted on the second mounting plate 13, a driving source 332 mounted on the second mounting plate 13 and used to drive the driving rod 331 to rotate, and a mounting seat 333 fixed to the end of the driving rod 331 away from the second mounting plate 13. The driving source 332 is preferably a forward and reverse motor, and its output shaft is connected to the driving rod 331. The mounting seat 333 has a cylindrical structure and a diameter greater than the diameter of the driving rod 331. The driving rod 331 is rotatably mounted on the second mounting plate 13 by means of bearings or the like, and the driving rod 331 passes through the second cylinder 32 and extends into the inner cavity of the first cylinder 31. The driving rod 331 and the first cylinder 31 are coaxially arranged. Combined Figure 6 The first linkage member 14 and the second linkage member 15 are mounted on the mounting seat 333. When the first linkage member 14 and the first cylinder 31 are engaged, the second linkage member 15 and the second cylinder 32 are separated, so that the rotation of the driving rod 331 can drive the rotation of the first cylinder 31. When the second linkage member 15 and the second cylinder 32 are engaged, the first linkage member 14 and the first cylinder 31 are separated, so that the rotation of the driving rod 331 can drive the rotation of the second cylinder 32.

[0045] Reference Figure 5 and Figure 6 The outer wall of the driving rod 331 is threadedly connected to the moving seat 16, and a guide member 17 is installed between the second mounting plate 13 and the moving seat 16. The guide member 17 is a plurality of guide rods fixed to the second mounting plate 13. The guide rods are slidably inserted into the moving seat 16, so that when the driving rod 331 rotates, the moving seat 16 can slide along the length direction of the driving rod 331.

[0046] The sidewall of the mounting seat 333 is radially defined with two symmetrically spaced sliding grooves 18. The first linkage member 14 comprises a sliding rod 141 that slides within the sliding groove 18 and a first elastic member 142 mounted between the sliding rod 141 and the inner wall of the sliding groove 18. The first elastic member 142 is a spring that fits over the outer wall of the sliding rod 141. The inner wall of the sliding groove 18 has an expanded area to accommodate the first elastic member 142. To facilitate installation of the sliding rod 141, the mounting seat 333 can be constructed as a split-half structure.

[0047] The mounting seat 333 is provided with a through groove 19, and the extension direction of the through groove 19 is parallel to the axial direction of the mounting seat 333. The through groove 19 corresponds to the sliding groove 18 one by one, and the through groove 19 runs through both sides of the mounting seat 333, and the sliding groove 18 and the through groove 19 are connected. Under the action of the first elastic member 142, one end of the sliding rod 141 extends into the through groove 19, and there is a certain gap between the other end of the sliding rod 141 and the inner wall of the first cylinder 31. A through rod 1 is slidably penetrated in the through groove 19, and one end of the through rod 1 passes through the end of the mounting seat 333 near the moving seat 16, and a second elastic member 20 is connected between the through rod 1 and the surface of the mounting seat 333, and the second elastic member 20 is preferably a spring. A toothed structure 21 is set on the inner wall of the first cylinder 31 at the position corresponding to the sliding rod 141. The toothed structure 21 is composed of a plurality of teeth, and the teeth are evenly arranged along the circumferential direction of the first cylinder 31. When the driving rod 331 rotates, the motion seat 16 moves in the direction close to the mounting seat 333, and the motion seat 16 abuts on the penetrating rod 1 and pushes the penetrating rod 1 to slide, the second elastic member 20 is compressed, and the penetrating rod 1 abuts the end of the sliding rod 141, and pushes the sliding rod 141 to slide, the first elastic member 142 is compressed, and the end of the sliding rod 141 abuts in the toothed structure 21, thereby making the driving rod 331 rotate and drive the first barrel 31 to rotate. The end of the sliding rod 141 close to the toothed structure 21 can be a tip structure. Now the first barrel 31 is wound with the cable 41, and when the first barrel 31 rotates, the motion seat 16 continues to move forward a certain distance. The end that the sliding rod 141 and the penetrating rod 1 are close to is an arc structure, which is more conducive to the penetrating rod 1 pushing the sliding rod 141 to slide.

[0048] Reference Figure 6 and Figure 7The second linkage member 15 includes a circular ring 151 arranged at one end of the through rod 1 away from the mounting seat 333, and the two through rods 1 are connected to the circular ring 151. A plurality of extension strips 22 are fixed to the inner wall of the second cylinder 32, and the extension direction of the extension strips 22 is parallel to the axial direction of the second cylinder 32. The extension strips 22 are evenly arranged along the circumferential direction of the second cylinder 32, and plug-in grooves 23 are formed between adjacent extension strips 22. A protrusion 152 is fixed to the outer wall of the circular ring 151, and a plurality of protrusions 152 are evenly arranged along the circumference of the circular ring 151, and the number of protrusions 152 corresponds to the number of plug-in grooves 23. The end of the extension strip 22 close to the circular ring 151 is set to a pointed structure, and the end of the protrusion 152 close to the extension strip 22 can also be a chamfered structure. When the moving seat 16 moves away from the mounting seat 333, the second elastic member 20 drives the penetrating rod 1 to slide away from the mounting seat 333, causing the protrusion 152 to enter the insertion groove 23. Therefore, when the driving rod 331 rotates, the second barrel 32 can be driven to rotate via the protrusion 152. When the protrusion 152 begins to enter the insertion groove 23, the sliding rod 141 and the tooth structure 21 separate.

[0049] Reference Figure 2 and Figure 4 The synchronizer 7 includes a synchronous wheel 71 coaxially fixed to the outer wall of the second cylinder 32, a bevel gear 73 rotatably mounted on the connecting frame 6, and a synchronous belt 72 connected between the bevel gear 73 and the synchronous wheel 71. A rotating shaft is coaxially fixed to the bevel gear 73, and the rotating shaft is rotatably mounted on the connecting frame 6 through a bearing seat. The synchronous belt 72 is connected between the rotating shaft and the synchronous wheel 71. The rotation of the second cylinder 32 can drive the bevel gear 73 to rotate. A circle of bevel teeth 24 is provided on the upper surface of the rotating seat 51 in the circumferential direction. The bevel teeth 24 are meshed with the bevel gear 73, thereby driving the rotating seat 51 to rotate through the bevel gear 73.

[0050] Reference Figure 3 and Figure 4 Furthermore, a mounting groove 25 is defined on the rotating base 51, into which the upper end of the outer cylinder 52 slides. Extension blocks 26 are symmetrically fixed to the sidewalls of the outer cylinder 52, and a clearance groove 27 is defined on the inner wall of the mounting groove 25, into which the extension blocks 26 extend. A resisting member 28 is mounted on the lower surface of the connecting frame 6. When the rotating base 51 rotates, the resisting member 28 can drive the outer cylinder 52 to slide upward a certain distance, so that when the rotating base 51 rotates, the cable 41 is not easily pulled, thereby maintaining the stability of the connection between the cable 41 and the probe 42.

[0051] The resistance member 28 includes a resistance ring 281 mounted on the lower surface of the connecting frame 6 via a support rod. The resistance ring 281 and the outer cylinder 52 are coaxially arranged. A resistance rod 29 is fixed to the lower surface of the extension block 26, which slides through the bottom surface of the clearance groove 27, and the resistance rod 29 has a portion that extends beyond the lower surface of the rotating seat 51. A notch 30 is provided on the upper surface of the resistance ring 281, and the resistance rod 29 extends into the notch 30. The side walls of the notch 30 are arranged at an angle, so that the notch 30 has a structure that is larger at the top and smaller at the bottom. When the rotating seat 51 rotates, the resistance rod 29 abuts against the side walls of the notch 30 and moves upward, thereby driving the outer cylinder 52 to move upward.

[0052] The implementation principle of a river cruise drone in the embodiment of the present application is as follows: the drone flies to the area to be tested and hovers, the driving source 332 drives the driving rod 331 to rotate, at which time the moving seat 16 moves away from the mounting seat 333, and the first cylinder 31 is released, and the second elastic member 20 drives the penetrating rod 1 to gradually slide out of the mounting seat 333. As the probe 42 moves downward, the inner cylinder 53 also gradually slides downward, and finally the probe 42 is lowered to the lowest position, the penetrating rod 1 and the sliding rod 141 are separated, and the first elastic member 142 drives the sliding rod 141 to move, so that the sliding rod 141 and the tooth structure 21 are separated. After the second elastic member 20 drives the penetrating rod 1 to reset, the protrusion 152 on the ring 151 abuts the insertion groove 23, so that the driving rod 331 continues to rotate, driving the second cylinder 32 to rotate, causing the rotating seat 51 to rotate, thereby driving the probe 42 to rotate a certain angle, such as every 30 degrees, 45 degrees, etc., and then test the data again, so that multiple sets of data can be collected at the test point.

[0053] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A river cruising drone, comprising a body (101), a support frame (102) disposed at the bottom of the body (101), and characterized in that: The invention also includes a winding device (3) arranged on the support frame (102), a detection device (4) arranged on the winding device (3), and a telescopic positioning member (5) arranged on the support frame (102); the winding device (3) includes a first cylinder (31) and a second cylinder (32) rotatably arranged on the support frame (102), and a driving assembly (33) for driving the first cylinder (31) or the second cylinder (32) to rotate, and the first cylinder (31) and the second cylinder (32) are coaxially arranged; the detection device (4) includes a probe (42) and a cable (41) connected to the probe (42), the cable (41) is connected to the first cylinder (31), and the probe (42) is located in the telescopic positioning member (5); A connecting frame (6) is horizontally arranged on the support frame (102), the telescopic positioning member (5) is installed on the connecting frame (6), and a synchronizing member (7) is arranged between the second cylinder (32) and the telescopic positioning member (5). After the driving assembly (33) drives the first cylinder (31) to rotate and lowers the probe (42) to the lowest position, the driving assembly (33) can separate from the first cylinder (31) and drive the second cylinder (32) to rotate synchronously, so that the second cylinder (32) drives the telescopic positioning member (5) to rotate in the circumferential direction through the synchronizing member (7).

2. A river cruising drone according to claim 1, characterized in that: The telescopic positioning member (5) comprises a rotating seat (51) rotatably arranged on the connecting frame (6), an outer cylinder (52) arranged on the lower surface of the rotating seat (51), and an inner cylinder (53) slidably arranged in the outer cylinder (52). The probe (42) slides up and down in the inner cylinder (53). The rotating seat (51) and the synchronous member (7) are connected. When the probe (42) is lowered, the probe (42) passes through the lower end of the inner cylinder (53), and the lower end of the inner cylinder (53) passes through the lower end of the outer cylinder (52).

3. The river cruising drone according to claim 2, characterized in that: A first limiting block (8) is provided on the upper side wall of the probe (42), and a first limiting groove (9) for allowing the first limiting block (8) to slide up and down is provided on the inner wall of the inner cylinder (53); a second limiting block (10) is provided on the upper outer wall of the inner cylinder (53), and a second limiting groove (11) for allowing the second limiting block (10) to slide up and down is provided on the inner wall of the outer cylinder (52).

4. The river cruising drone according to claim 3, characterized in that: The support frame (102) is symmetrically provided with a first mounting plate (12) and a second mounting plate (13), and the first cylinder (31) and the second cylinder (32) are rotatably connected to the first mounting plate (12) and the second mounting plate (13), respectively; the driving assembly (33) comprises a driving rod (331) rotatably provided on the second mounting plate (13), a driving source (332) installed on the second mounting plate (13) and used to drive the driving rod (331) to rotate, and a mounting seat (333) provided at one end of the driving rod (331) away from the driving source (332), wherein the driving rod (331) is rotated from the second cylinder (32) passes through and extends into the inner cavity of the first cylinder (31); a first linkage member (14) and a second linkage member (15) are installed on the mounting seat (333); when the first linkage member (14) and the first cylinder (31) are matched, the second linkage member (15) and the second cylinder (32) are separated, so that the driving rod (331) rotates to drive the first cylinder (31) to rotate; when the first linkage member (14) and the first cylinder (31) are separated, the second linkage member (15) and the second cylinder (32) are matched, so that the driving rod (331) rotates to drive the second cylinder (32) to rotate.

5. The river cruising drone according to claim 4, characterized in that: The outer wall of the driving rod (331) is threadedly connected to a moving seat (16), and a guide member (17) is provided between the second mounting plate (13) and the moving seat (16), so that the driving rod (331) can be rotated to drive the moving seat (16) to slide along the length direction of the driving rod (331); the mounting seat (333) is provided with a sliding groove (18) in a radial direction, the first linkage member (14) includes a sliding rod (141) slidably arranged in the sliding groove (18) and a first elastic member (142) arranged between the sliding rod (141) and the sliding groove (18); the mounting seat (333) is provided with a through groove (19), the through groove (19) is connected to the sliding groove (18), and the through groove ( 19) is provided with a through rod (1) slidingly passing through the through rod (1), and a second elastic member (20) is provided between the through rod (1) and the mounting seat (333); the inner wall of the first cylinder (31) is in a tooth-shaped structure (21), and when the moving seat (16) moves in a direction close to the mounting seat (333), the moving seat (16) can push the through rod (1) to slide, and one end of the sliding rod (141) is pushed by the through rod (1) and abuts against the tooth-shaped structure (21); when the moving seat (16) moves in a direction away from the mounting seat (333), the second elastic member (20) drives the through rod (1) to reset, and the first elastic member (142) drives the sliding rod (141) to slide into the sliding groove (18).

6. The river cruising drone according to claim 5, characterized in that: The second linkage member (15) includes a circular ring (151) arranged at one end of the penetrating rod (1) away from the mounting seat (333); an inner wall of the second cylinder (32) is provided with an extension strip (22); a plurality of the extension strips (22) are evenly arranged along the circumference of the second cylinder (32); adjacent extension strips (22) form a plug-in groove (23); a side wall of the circular ring (151) is provided with a protrusion (152); when the second elastic member (20) drives the penetrating rod (1) to reset, the protrusion (152) can be plugged into the plug-in groove (23).

7. The river cruising drone according to claim 6, characterized in that: One end of the extension strip (22) close to the ring (151) is a pointed end structure.

8. The river cruising drone according to claim 4, characterized in that: The synchronous member (7) comprises a synchronous wheel (71) coaxially arranged on the side wall of the second cylinder (32), a bevel gear (73) rotatably arranged on the connecting frame (6), and a synchronous belt (72) connected between the synchronous wheel (71) and the bevel gear (73); conical teeth (24) are provided on the rotating seat (51) along the circumferential direction; the bevel gear (73) and the conical teeth (24) are meshed with each other.

9. The river cruising drone according to claim 8, characterized in that: The rotating seat (51) is provided with a mounting groove (25), and the upper end of the outer cylinder (52) is slidably inserted into the mounting groove (25). The upper end side wall of the outer cylinder (52) is provided with an extension block (26), and the inner wall of the mounting groove (25) is provided with a clearance groove (27). The extension block (26) extends into the clearance groove (27), and the connecting frame (6) is provided with a resistance member (28). When the rotating seat (51) rotates, the resistance member (28) can drive the outer cylinder (52) to slide upward.

10. The river cruising drone according to claim 9, characterized in that: The resisting member (28) includes a resisting ring (281) provided on the lower surface of the connecting frame (6), the resisting ring (281) and the outer cylinder (52) are coaxially arranged, and the extension block (26) is provided with a resisting rod (29) that slides through the bottom surface of the clearance groove (27), and a notch (30) is provided on the upper surface of the resisting ring (281), and the side wall of the notch (30) is inclined. When the rotating seat (51) rotates, the resisting rod (29) can be pressed by the side wall of the notch (30) and move upward.

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