CN220708479U

CN220708479U - Unmanned aerial vehicle water gauge scale prediction unit convenient to multiposition detects

Info

Publication number: CN220708479U
Application number: CN202322218272.6U
Authority: CN
Inventors: 寿兵; 林崴; 秦建柱; 朱光华; 邓彪; 李献才; 林双洪; 陈耀明; 冯云云; 陈光前; 解非; 陈予伦
Original assignee: Xian Thermal Power Research Institute Co Ltd; Dongfang Power Plant of Huaneng Hainan Power Generation Co Ltd
Current assignee: Xian Thermal Power Research Institute Co Ltd; Dongfang Power Plant of Huaneng Hainan Power Generation Co Ltd
Priority date: 2023-08-17
Filing date: 2023-08-17
Publication date: 2024-04-02
Anticipated expiration: 2033-08-17

Abstract

The utility model provides an unmanned aerial vehicle water gauge scale prediction device convenient for multi-position detection, which is characterized by comprising a ruler body, a height fine adjustment mechanism and a base, wherein the top end of the ruler body is connected with a second rack; the top of the height fine adjustment mechanism is provided with a chute column, the second rack is slidably arranged in a chute on the chute column, a fourth gear meshed with the second rack is arranged on the chute column, and the fourth gear is connected with a third motor; the base is provided with a first gear and a second gear meshed with the first gear, the first gear is connected with a first motor, and the height fine adjustment mechanism is arranged on the second gear and is driven to rotate through rotation of the second gear. And then realize the regulation of angle, height and the horizontal extension length position of chi body, and then can detect the depth of water of different positions, the flexibility is good, efficient.

Description

Unmanned aerial vehicle water gauge scale prediction unit convenient to multiposition detects

Technical Field

The utility model relates to the technical field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle water gauge scale prediction device convenient for multi-position detection.

Background

The water gauge is the measuring tool generally fixed in the river course, and the water gauge wide application is in: in projects such as soft soil foundation treatment, ports and wharfs, the water depth measuring tool is used for directly observing the change of water level elevations such as ground water level, ocean tides, rivers and reservoirs, is a relatively common water depth measuring tool, is convenient for relevant staff to determine water depth by reading intersection positions of water gauges and water surfaces, is generally fixed on a fixed pile, and the fixed pile is fixed at the water bottom, and needs to be moved and adjusted when detecting water depths at different positions, so that detection is inconvenient.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent.

Therefore, the utility model aims to provide the unmanned aerial vehicle water gauge scale prediction device convenient for multi-position detection, the rotation of the gauge body is driven by the height fine adjustment mechanism through the engagement between the first gear and the second gear on the base, the vertical position of the gauge body can be moved and adjusted up and down by the height fine adjustment device, the transverse position of the gauge body can be adjusted through the action between the second rack and the fourth gear, the angle, the height and the transverse extension length of the gauge body can be adjusted, the water depths of different positions can be detected, the flexibility is good, and the efficiency is high.

In order to achieve the above purpose, the unmanned aerial vehicle water gauge scale prediction device provided by the utility model is convenient for multi-position detection, and comprises:

the top end of the ruler body is connected with a second rack;

the top of the height fine adjustment mechanism is provided with a chute column, the second rack is slidably arranged in a chute on the chute column, a fourth gear meshed with the second rack is arranged on the chute column, and the fourth gear is connected with a third motor;

the base, be provided with first gear and with first gear engagement's second gear on the base, first motor is connected to first gear, high fine setting mechanism sets up on the second gear, in order to pass through the second gear rotates and drives high fine setting mechanism rotates.

Further, the height fine adjustment mechanism includes:

the screw thread cylinder is arranged on the base, a first threaded rod is connected in the screw thread cylinder through threads, the top end of the first threaded rod is fixedly connected with the bottom surface of one side of the chute column, and a worm wheel is sleeved outside the screw thread cylinder;

the support plate is arranged on the base, a worm is arranged on the support plate and meshed with the worm wheel, and the worm wheel is driven to rotate through rotation of the worm, so that the worm wheel drives the threaded cylinder to rotate;

the sleeve, the sleeve sets up on the base, sliding connection has the slide bar in the sleeve, the slide bar top with spout post one side bottom surface fixed connection, so that pass through the spacing realization of slide bar the screw thread section of thick bamboo drives first threaded rod reciprocates and drives spout post reciprocates, the screw thread section of thick bamboo the backup pad with the sleeve all sets up the second gear surface, in order to pass through the second gear rotates the regulation high fine setting mechanism is rotatory to be realized the angle modulation of chi body.

Further, the front and back of one side of the base are respectively connected with two first connecting rods through pin shafts in a rotating mode, hinge blocks are connected between the upper ends of the two first connecting rods through pin shafts in a rotating mode, a cone thorn is fixedly connected to one end of each hinge block, a third gear is arranged on the pin shaft on the first connecting rod on the side far away from the cone thorn, and the two third gears rotate through a driving mechanism.

Further, the novel gear rack comprises a fixing rod, a second threaded rod and a limiting rod are arranged on the fixing rod, a first rack is connected to the second threaded rod through threads, two sides of the first rack are meshed with the two third gears respectively, and the limiting rod is connected to the first rack in a sliding mode.

Further, the second rack is connected to the side wall of the top of the ruler body, and the second rack is vertically arranged between the second rack and the ruler body.

Further, the ruler also comprises a warning lamp, and the warning lamp is fixed at the top of the ruler body.

Further, the bottom of the ruler body is provided with a rotary crushing mechanism.

Further, the rotary crushing mechanism includes:

the second connecting rod is rotationally connected to the bottom of the ruler body, one end of the second connecting rod is provided with a rotating shaft, the top end of the rotating shaft is connected with a crushing blade, and a fifth gear is sleeved in the middle of the rotating shaft;

the fixing piece is fixed on the ruler body, a gear ring is arranged on the fixing piece, and the fifth gear is positioned on the inner side of the gear ring and meshed with the gear ring.

Further, the rotary shaft fixing device further comprises a groove ring, wherein the groove ring is fixed on the fixing piece, an arc-shaped block is connected in a groove on the groove ring in a sliding mode, and the arc-shaped block is connected with the rotary shaft in a rotating mode.

Further, the ruler further comprises a fourth motor, the fourth motor is arranged at the bottom of the ruler body, and the fourth motor is connected with one end of the second connecting rod through a pin shaft.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the height fine adjustment mechanism is meshed with the first gear and the second gear on the base to drive the ruler body to rotate, meanwhile, the height fine adjustment device can realize the up-down vertical position movement adjustment of the ruler body, the effect between the second rack and the fourth gear can realize the adjustment of the transverse position of the ruler body, and further, the adjustment of the angle, the height and the transverse extension length position of the ruler body is realized, and further, the water depths at different positions can be detected, so that the flexibility is good, and the efficiency is high.

2. According to the utility model, the bottom plate can be moved through the universal wheels, after the bottom plate is moved to a designated position, a person can manually rotate the second threaded rod to drive the first rack to move, so that the third gears at the left side and the right side simultaneously rotate in different directions, the first connecting rods at the left side and the right side simultaneously rotate, the cone thorns are driven to descend, the cone thorns are inserted into the ground, and fastening can be completed, so that the two states of movement and stable placement of the whole model can be respectively realized, the stability of the whole model is further ensured, and the prediction efficiency is improved

3. According to the utility model, the second connecting rod rotates, and under the action of the gear ring, the fifth gear revolves around the gear ring and rotates, so that the rotating shaft and the crushing blade revolve and rotate at the same time, fish shoals and impurities on the periphery of the lower end of the ruler body are driven, the ruler body can smoothly enter water without being shielded, and therefore, when the ruler body descends, the fish shoals on the periphery are driven, the crushing effect is achieved on the periphery, the smooth descent of the ruler body is ensured, and the overall use efficiency is improved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is an enlarged schematic view of the area A in FIG. 1 according to the present utility model;

FIG. 3 is an enlarged view of the area B of FIG. 1 according to the present utility model;

fig. 4 is an enlarged view of the area C of fig. 1 according to the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

in the figure: 1. a base; 3. a sleeve; 4. a slide bar; 5. a first threaded rod; 6. a worm wheel; 7. a thread cylinder; 8. a support plate; 9. a worm; 10. a first L-shaped rod; 11. a first motor; 12. a first gear; 13. a second gear; 14. a fixed rod; 15. a third gear; 16. a second threaded rod; 17. a limit rod; 18. a first rack; 19. a first link; 20. a hinge block; 21. taper thorn; 22. a runner post; 23. a second rack; 24. a third motor; 25. a fixed block; 26. a fourth gear; 27. a warning light; 28. a ruler body; 29. a second L-shaped rod; 30. a third L-shaped rod; 31. a gear ring; 32. a groove ring; 33. an arc-shaped block; 34. a second link; 35. a fourth motor; 36. a crushing blade; 37. a fifth gear; 38. a rotating shaft.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model. On the contrary, the embodiments of the utility model include all alternatives, modifications and equivalents as may be included within the spirit and scope of the appended claims.

Fig. 1 is a schematic structural diagram of an unmanned aerial vehicle water gauge scale prediction device with convenience for multi-position detection according to an embodiment of the present utility model.

As shown in fig. 1, an unmanned aerial vehicle water gauge scale prediction device convenient to multi-position detection, including a ruler body 28, height fine setting mechanism, base 1, the top of ruler body 28 is connected with second rack 23, height fine setting mechanism top is provided with slide groove post 22, second rack 23 slidable mounting is in the spout on slide groove post 22, be provided with on slide groove post 22 with second rack 23 engaged fourth gear 26, fourth gear 26 is connected with third motor 24, be provided with first gear 12 and with first gear 12 engaged second gear 13 on the base 1, first gear 12 connects first motor 11, height fine setting mechanism sets up on second gear 12, in order to drive height fine setting mechanism rotation through second gear 12 rotation, that is to say, slide groove post 22 sets up on height fine setting mechanism, second rack 23 slidable mounting is in the spout on slide groove post 22, be provided with fixed block 25 on the fixed block 25, third motor 24 is connected with second rack 26 engaged fourth gear with second rack 23 through the round pin axle.

It can be understood that the base 1 is disposed at the shore, when the detection of different positions is required, the third motor 24 drives the fourth gear 26 to rotate, the fourth gear 26 drives the second rack 23 to move in the direction of the base 1 or the direction away from the base 1 in the chute column 22 through the meshing action with the second rack 23, the rule 28 is further moved away from or close to the base 1 in the transverse direction, meanwhile, the rule 28 can be adjusted to move up and down through the height fine adjustment mechanism, and because the height fine adjustment mechanism is disposed on the second gear 13, the first gear 12 is driven to rotate by the first motor 11, the second gear 13 is driven to rotate through the meshing action with the second gear 13 in the rotation process of the first gear 12, the height fine adjustment mechanism on the second gear 13 is driven to rotate in the rotation process of the second gear, so that the rotation of the rule 28 is realized, and the adjustment of the angle, the height and the transverse extension length of the rule 28 in the water is further realized, the detection of the water depth of different positions can be further realized, and the efficiency is high.

In addition, a first L-shaped rod 10 is further arranged on the base 1, the vertical section of the first L-shaped rod 10 is vertically fixed on the base 1, a first motor 11 is arranged at one end, far away from the vertical section, of the horizontal section connected with the top end of the vertical section, and the power output end of the first motor 11 is fixedly connected with a first gear 12 through a pin shaft.

In some embodiments, the height fine adjustment mechanism comprises a threaded cylinder 7, a supporting plate 8 and a sleeve 3, the threaded cylinder 7 is arranged on the base 1, a first threaded rod 5 is connected in the threaded cylinder 7 through threads, the top end of the first threaded rod 5 is fixedly connected with one side bottom surface of the sliding groove column 22, a worm wheel 6 is sleeved outside the threaded cylinder 7, the supporting plate 8 is arranged on the base 1, a worm 9 is arranged on the supporting plate 8, the worm 9 is meshed with the worm wheel 6, the worm wheel 6 is driven to rotate through rotation of the worm 9, so that the worm wheel 6 drives the threaded cylinder 7 to rotate, the sleeve 3 is arranged on the base 1, a sliding rod 4 is connected in a sliding manner in the sleeve 3, the top end of the sliding rod 4 is fixedly connected with one side bottom surface of the sliding groove column 22, so that the threaded cylinder 7 drives the first threaded rod 5 to move up and down through limiting of the sliding rod 4, and the threaded cylinder 7, the supporting plate 8 and the sleeve 3 are all arranged on the surface of the second gear 13, so that the angle adjustment of the ruler 28 is realized through rotation of the second gear 13, that the supporting plate 8 and the sleeve 3 are fixed on the surface of the second gear 13, and the threaded cylinder 7 is rotatably arranged on the surface of the second gear 13.

It will be appreciated that, a transmission device is provided on the support plate 8, the transmission device is connected with the worm 9, the worm 9 is driven to rotate by the transmission device, the worm 9 rotates in the process of realizing the rotation of the worm wheel through the meshing action with the worm wheel 6, the worm wheel rotates to drive the threaded cylinder 7 to rotate, the threaded cylinder 7 is connected with the first threaded rod 5 through the threaded action, the threaded cylinder 7 rotates to drive the first threaded rod 5 through the threaded action, as the top ends of the slide rod 4 and the first threaded rod 5 are connected with the slide groove column 22, the first threaded rod 5 moves upwards or downwards under the threaded action under the limiting action of the slide rod 4, and then the slide groove column 22 moves upwards or downwards, namely the position adjusting mechanism moves upwards or downwards, that is, the height fine adjusting mechanism drives the ruler 28 to move upwards or downwards through the position adjusting mechanism.

In some embodiments, two first connecting rods 19 are rotatably connected to the front and rear of one side of the base 1 through pin shafts, a hinge block 20 is rotatably connected between the upper ends of the two first connecting rods 19 through pin shafts, a cone 21 is fixedly connected to one end of the hinge block 20, a third gear 15 is arranged on the pin shaft on the first connecting rod 19 on the side far away from the cone 21, and the two third gears 15 rotate through a driving mechanism.

That is, in order to ensure that the base 1 is stable, the front and rear sides of one side of the base 1 are provided with the cone spines 21 to fix the base 1, taking the cone spines 21 of one side as an example, one ends of the two first connecting rods 19 are all rotationally connected to the base 1, and meanwhile, the other ends of the two first connecting rods 19 are connected through the hinge blocks 20, so that the two first connecting rods 19, the hinge blocks 20 and the base 1 enclose a parallelogram, when the third gear 15 rotates to drive one of the first connecting rods 19 to rotate, the first connecting rods 19 drive the other first connecting rod 19 to rotate together through the hinge blocks 20, the two first connecting rods 19 are rotationally moved together, and the cone spines 21 are downwardly moved to fix.

In some embodiments, the device further comprises a fixing rod 14, a second threaded rod 16 and a limiting rod 17 are arranged on the fixing rod 14, a first rack 18 is connected to the second threaded rod 16 through threads, two sides of the first rack 18 are respectively meshed with the two third gears 15, and the limiting rod 17 is slidably connected to the first rack 18.

It can be appreciated that the second threaded rod 16 can be manually rotated, the second threaded rod 16 is connected with the electric first rack 18 through threads, and the first rack 18 can only move up and down under the action of the second threaded rod 16 due to the limiting action of the limiting rod 17, and the first rack 18 is meshed with the third gears 15 to realize the rotation of the two third gears 15 through the meshing action of the first rack 18 on the two third gears 15, and the rotation of the first connecting rod 19 is driven through the rotation of the third gears 15, so that the cone 21 moves downwards to fix or moves upwards.

In addition, the universal wheels are arranged below the base 1, the base 1 can be moved through the universal wheels, after the base is moved to a designated position, a person can manually rotate the second threaded rod 16 to drive the first rack 18 to move, the third gears 15 on the left side and the right side simultaneously rotate in different directions, the first connecting rods 19 on the left side and the right side simultaneously rotate, the cone thorns 21 are driven to descend, the cone thorns 21 are inserted into the ground, fastening can be completed, and therefore the whole model can be respectively moved and stably placed in two states, stability of the whole model is guaranteed, and prediction efficiency is improved.

In some embodiments, the second rack 23 is connected to the top side wall of the rule 28, and the second rack 23 is disposed vertically between the rule 28.

It will be appreciated that the bottom surface of one end of the second rack 23 in the length direction is fixed above the side surface of the rule body 28, so that the second rack 23 is vertically connected with the rule body 28.

In some embodiments, the device further comprises a warning lamp 27, wherein the warning lamp 27 is fixed on the top of the ruler 28.

In some embodiments, the bottom end of the ruler 28 is provided with a rotary crushing mechanism, and the rotary crushing mechanism is arranged to drive fish shoals and impurities on the periphery of the lower end of the ruler 28, so that the ruler 28 can smoothly enter water without being shielded, and when the ruler 28 descends, the rotary crushing mechanism can drive fish shoals on the periphery and crush the impurities on the periphery, and further the smooth descent of the ruler 28 can be guaranteed, and further the overall use efficiency is improved.

In some embodiments, the rotary crushing mechanism includes a second connecting rod 34 and a fixing piece, the second connecting rod 34 is rotatably connected to the bottom of the ruler body 28, one end of the second connecting rod 34 is provided with a rotating shaft 38, the top end of the rotating shaft 38 is connected with a crushing blade 36, a fifth gear 37 is sleeved in the middle of the rotating shaft 38, the fixing piece is fixed on the ruler body 28, a gear ring 31 is arranged on the fixing piece, and the fifth gear 37 is located inside the gear ring 31 and meshed with the gear ring 31.

It can be understood that the second connecting rod 34 can rotate at the bottom of the ruler body 28 under the driving of power, and the second connecting rod 34 drives the rotating shaft and the fifth gear 37 to rotate around the ruler body together in the rotating process, because the fifth gear 37 is meshed with the gear ring 31, the fifth gear 37 rotates, and further the fifth gear 37 and the crushing blade 36 connected to the fifth gear revolve around the gear ring 31 together and can rotate, further the shoal and impurities at the lower end of the ruler body 28 are driven, so that the ruler body 28 can be smoothly moved into water without being blocked, and therefore, when the ruler body 28 descends, a driving effect is achieved on the shoal and the surrounding impurities, further the smooth descent of the ruler body 28 can be guaranteed, and the overall use efficiency is improved.

In some embodiments, the device further comprises a groove ring 32, the groove ring 32 is fixed on the fixing piece, an arc-shaped block 33 is slidingly connected in a groove on the groove ring 32, and the arc-shaped block 33 is rotatably connected with the rotating shaft 38.

It will be appreciated that during the revolution of the fifth gear 37 around the ring gear 31, the rotating shaft 38 also revolves around the ring gear 31, and the rotating shaft 38 rotates in the ring gear 32 with the arc-shaped pieces 33 due to the coaxial arrangement of the ring gear 31 and the ring gear 32.

In some embodiments, the ruler further comprises a fourth motor 35, the fourth motor 35 is arranged at the bottom of the ruler 28, the fourth motor 35 is connected with one end of the second connecting rod 34 through a pin shaft, and the fourth motor 35 provides power to enable the second connecting rod 34 to rotate at the bottom of the ruler 28.

In addition, the fixing member includes a second L-shaped rod 29 fixedly connected to a lower middle portion of a front end surface of the rule 28, and a third L-shaped rod 30 fixedly connected to a front side of a lower end surface of the second L-shaped rod 29, a ring gear 31 is fixedly connected to a rear end of the second L-shaped rod 29, and a groove ring 32 is fixedly connected to a rear end of the third L-shaped rod 30.

In the above embodiment, the middle part of the lower end surface of the ruler body 28 is fixedly connected with the fourth motor 35, the output end of the fourth motor 35 is fixedly connected with the second connecting rod 34 through a pin, and the rear end of the second connecting rod 34 is rotatably connected with the rotating shaft 38. When the ruler 28 enters water, the fourth motor 35 can be started to drive the second connecting rod 34 to rotate, the arc-shaped block 33 moves circularly on the inner side of the groove ring 32, the fifth gear 37 is driven to rotate under the action of the gear ring 31, the fifth gear 37, the rotating shaft 38 and the crushing blade 36 revolve and rotate simultaneously, fish shoals and impurities on the periphery of the lower end of the ruler 28 are driven, the ruler 28 can be smoothly entering water without being blocked, and therefore when the ruler 28 descends, the fish shoals on the periphery are driven and the crushing effect on the periphery is achieved, smooth descending of the ruler 28 can be guaranteed, and the overall use efficiency is improved.

In summary, the working principle of the utility model is as follows: when the model is used, the universal wheels are utilized to move the base 1, after the model is moved to a designated position, a person can manually rotate the second threaded rod 16 to drive the first rack 18 to move, so that the third gears 15 on the left side and the right side simultaneously rotate in different directions, the first connecting rods 19 on the left side and the right side simultaneously rotate, the cone thorns 21 are driven to descend, the cone thorns 21 are inserted into the ground, fastening can be completed, and therefore the whole model can be respectively moved and stably placed in two states, the stability of the whole model is further ensured, and the prediction efficiency is improved; the worm 9 is rotated through the driving device, the worm wheel 6 and the thread cylinder 7 are simultaneously rotated, the first threaded rod 5 moves up and down in the thread cylinder 7, the sliding rod 4 slides in the sleeve 3, the sliding chute column 22 moves up and down to adjust the height of the sliding chute column, then the third motor 24 is started to drive the fourth gear 26 to rotate, the second rack 23 slides left and right on the inner side of the sliding chute column 22 to adjust the extending length of the second rack 23, the first motor 11 is started to drive the first gear 12 to rotate, the second gear 13 is started to rotate, and the azimuth of the ruler 28 is adjusted, so that the height, the position and the angle of the ruler 28 can be flexibly adjusted, the depth of water at different positions can be further detected, and the device is good in flexibility and high in efficiency; when the ruler 28 enters water, the fourth motor 35 can be started to drive the second connecting rod 34 to rotate, the arc-shaped block 33 moves circularly on the inner side of the groove ring 32, the fifth gear 37 is driven to rotate under the action of the gear ring 31, the fifth gear 37, the rotating shaft 38 and the crushing blade 36 revolve and rotate simultaneously, fish shoals and impurities on the periphery of the lower end of the ruler 28 are driven, the ruler 28 can be smoothly entering water without being blocked, and therefore when the ruler 28 descends, the fish shoals on the periphery are driven and the crushing effect on the periphery is achieved, smooth descending of the ruler 28 can be guaranteed, and the overall use efficiency is improved.

It should be noted that in the description of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and further implementations are included within the scope of the preferred embodiment of the present utility model in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present utility model.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims

1. Unmanned aerial vehicle water gauge scale prediction unit convenient to multiposition detects, a serial communication port includes:

the top end of the ruler body is connected with a second rack;

2. The unmanned aerial vehicle water gauge scale prediction device of claim 1, wherein the height fine adjustment mechanism comprises:

3. The unmanned aerial vehicle water gauge scale prediction device convenient to multiposition detection according to claim 1, wherein the front and back of one side of the base are respectively connected with two first connecting rods through pin shafts in a rotating manner, hinge blocks are connected between the upper ends of the two first connecting rods through pin shafts in a rotating manner, one end of each hinge block is fixedly connected with a cone thorn, a third gear is arranged on a pin shaft on the first connecting rod far away from one side of the cone thorn, and the two third gears rotate through a driving mechanism.

4. The unmanned aerial vehicle water gauge scale prediction device convenient to multiposition detects according to claim 3, further comprising a fixed rod, wherein a second threaded rod and a limiting rod are arranged on the fixed rod, a first rack is connected to the second threaded rod through threads, two sides of the first rack are respectively meshed with two third gears, and the limiting rod is connected to the first rack in a sliding mode.

5. The unmanned aerial vehicle water gauge scale prediction device convenient to multi-position detection according to claim 1, wherein the second rack is connected to the side wall of the top of the ruler body, and the second rack is vertically arranged with the ruler body.

6. The unmanned aerial vehicle water gauge scale prediction device convenient to multi-position detection of claim 1, further comprising a warning light, wherein the warning light is fixed at the top of the ruler body.

7. The unmanned aerial vehicle water gauge scale prediction device convenient to multi-position detection according to claim 1, wherein the bottom end of the ruler body is provided with a rotary crushing mechanism.

8. The unmanned aerial vehicle water gauge scale prediction device convenient for multi-position detection of claim 7, wherein the rotary crushing mechanism comprises:

9. The unmanned aerial vehicle water gauge scale prediction device convenient to multi-position detection according to claim 8, further comprising a groove ring, wherein the groove ring is fixed on the fixing piece, an arc-shaped block is connected in a sliding manner in a groove on the groove ring, and the arc-shaped block is rotationally connected with the rotating shaft.

10. The unmanned aerial vehicle water gauge scale prediction device convenient to multi-position detection of claim 8, further comprising a fourth motor, wherein the fourth motor is arranged at the bottom of the ruler body, and the fourth motor is connected with one end of the second connecting rod through a pin shaft.