An engineering measurement device based on drone

Abstract

The present invention discloses an engineering surveying device based on an unmanned aerial vehicle, and relates to the technical field of engineering surveying benchmarks, including a surveying benchmark body, a first slide groove is provided inside the surveying benchmark body, a first threaded rod is rotatably connected inside the first slide groove, a first slider is slidably connected inside the first slide groove, the first threaded rod passes through the first slider and is threadedly connected thereto, a bottom plate is fixedly connected to the bottom of the first slider, a second slide groove is provided inside the surveying benchmark body, and an adjustment mechanism is arranged inside the second slide groove. The beneficial effects of the present invention are as follows: through the mutual cooperation of the first slide groove, the first threaded rod, the first slider and the first servo motor, when the unmanned aerial vehicle body is used to move the engineering surveying device based on the unmanned aerial vehicle, the first slider can be driven to slide into the first slide groove, and the bottom plate can be driven to move, thereby reducing the wind resistance when the unmanned aerial vehicle body moves it.

Description

Technical Field

[0001] The invention relates to the technical field of engineering surveying poles, and in particular to an engineering surveying device based on an unmanned aerial vehicle. Background Art

[0002] In various engineering surveying and design industries related to engineering construction, such as railway and highway engineering surveying, water conservancy engineering surveying, bridge and tunnel engineering surveying, construction engineering surveying, mining surveying, marine engineering surveying, military engineering surveying, three-dimensional industrial surveying, etc., a commonly used method is to use a level and a benchmark in combination for measurement.

[0003] At present, drones are used to drive measuring poles to move and replace inspection points, thereby avoiding the need for staff to carry measuring poles to replace inspection points, reducing the workload of staff, improving the efficiency of inspection, and helping to improve the efficiency of engineering surveying work. However, when drones are used to transport measuring poles, the poles are generally longer and encounter greater wind resistance during hoisting and transportation, making it easy for the drone to tilt during transportation, requiring staff to have a high level of operational proficiency. To this end, we propose an engineering surveying device based on drones. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides an engineering surveying device based on a drone, which solves the problems raised in the above background technology.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: an engineering surveying device based on a drone, comprising a surveying benchmark body, a first slide groove is provided inside the surveying benchmark body, a first threaded rod is rotatably connected inside the first slide groove, a first slider is slidably connected inside the first slide groove, the first threaded rod passes through the first slider and is threadedly connected thereto, a bottom plate is fixedly connected to the bottom of the first slider, a second slide groove is provided inside the surveying benchmark body, an adjustment mechanism is arranged inside the second slide groove, a top plate is fixedly connected to the top of the surveying benchmark body, a rotating plate is rotatably connected to the top of the top plate, an electronic rangefinder is fixedly installed on the top of the rotating plate, and a plurality of first support rods are fixedly connected to the outside of the adjustment mechanism.

[0006] Optionally, the adjusting mechanism includes a second threaded rod, which is rotatably connected to the inside of the second slide groove, and the inside of the second slide groove is slidably connected to a second slider, a plurality of third slide grooves are provided inside the measuring benchmark body and on the outside of the second slide groove, a plurality of third slide grooves are fixedly connected to the outside of the second slide groove, the third slide groove is slidably connected to the inside of the third slide groove, a first connecting block is fixedly connected to the outside of the third slide groove, the first connecting block is rotatably connected to the inside of the first rotating rod, the outside of the first rotating rod is rotatably connected to the second connecting block, the second connecting block is fixedly connected to the outside of the first support rod, a third servo motor is fixedly installed inside the measuring benchmark body, and an output end of the third servo motor is fixedly connected to the second threaded rod, and through the mutual cooperation of the adjusting mechanism with the fourth slide groove, the fourth slider, the second rotating rod and the first connecting rod, the first support rod can be driven to lift and rotate according to use requirements, so that the plurality of first support rods support the measuring benchmark body, thereby ensuring the stability of the measuring benchmark body during use, thereby improving the practicality of the engineering measurement device based on the drone.

[0007] Optionally, a first servo motor is fixedly installed inside the measuring benchmark body, and the output end of the first servo motor is fixedly connected to the first threaded rod. The normal operation of the first lifting mechanism can be guaranteed through the mutual cooperation of the first servo motor and the first threaded rod. When in use, the first servo motor is started to drive the first threaded rod to rotate, and then drive the first slider to slide inside the first slide groove, so that the height of the measuring benchmark body can be adjusted according to usage requirements. When transporting it, it can be shortened to reduce its length, thereby reducing its wind resistance during transportation, thereby improving the efficiency during detection and improving the practicability of the engineering measurement device based on the drone.

[0008] Optionally, a fourth sliding groove is opened inside the first support rod, a fourth sliding block is slidably connected inside the fourth sliding groove, a second rotating rod is rotatably connected inside the fourth sliding block, a first connecting rod is fixedly connected to the top of the second rotating rod, and the first connecting rod is fixedly connected to the bottom of the top plate.

[0009] Optionally, a fifth sliding groove is provided inside the first support rod, a fifth sliding block is slidably connected inside the fifth sliding groove, a fifth threaded rod is rotatably connected inside the fifth sliding groove, the fifth threaded rod passes through the fifth sliding block and is threadedly connected thereto, a fifth servo motor is fixedly installed inside the first support rod, and an output end of the fifth servo motor is fixedly connected to the fifth threaded rod; through the mutual cooperation of the fifth sliding groove, the fifth threaded rod, the fifth sliding block and the fifth servo motor, the horizontality of the measuring benchmark body can be adjusted according to usage requirements, so that the electronic rangefinder and the electronic level are in a horizontal position, which is convenient for distance measurement.

[0010] Optionally, the bottom of the first sliding block is fixedly connected to a base plate, an air pump is installed inside the base plate, a plurality of air intake pipes are fixedly connected inside the base plate, one end of the air intake pipe extends to the inside of the air pump, an output pipe is fixedly connected to the inside of the air pump, an internal groove is opened inside the base plate, an airbag is arranged inside the internal groove, one end of the output pipe extends to the inside of the internal groove and is fixedly connected to the airbag, and through the mutual cooperation of the air intake pipe, the air pump, the output pipe, the internal groove and the airbag, the airbag can be inflated when the UAV-based engineering measurement device moves to the measurement position, thereby reducing the impact force of the UAV-based engineering measurement device when it lands, protecting the internal mechanisms of the UAV-based engineering measurement device, and improving the service life of the UAV-based engineering measurement device.

[0011] Optionally, a mounting plate is fixedly connected to the top of the rotating plate, a plug-in slot is provided inside the mounting plate, and two corresponding sixth slide slots are provided inside the mounting plate and on the outside of the plug-in slot, a sixth threaded rod is rotatably connected inside the sixth slide slot, a sixth slider is slidably connected inside the sixth slide slot, the sixth threaded rod passes through the sixth slider and is threadedly connected thereto, a connecting seat is plugged inside the plug-in slot, two corresponding fixing slots are provided inside the connecting seat, the sixth slider cooperates with the fixing slot, two corresponding sixth servo motors are fixedly installed inside the mounting plate, the output end of the sixth servo motor is fixedly connected to the sixth threaded rod, and the top of the connecting seat is fixedly connected to a drone body, and through the cooperation of the sixth slide slot, the sixth threaded rod, the sixth slider, the sixth servo motor, the plug-in slot, the connecting seat and the fixing slot, the drone-based engineering measurement device can be fixed to the bottom of the drone body, thereby facilitating the use of the drone body to drive the drone-based engineering measurement device to move, thereby improving measurement efficiency and reducing the work intensity of staff.

[0012] Optionally, a second servo motor is fixedly installed inside the top plate, and the output end of the second servo motor is fixedly connected to the rotating plate. Through the cooperation between the second servo motor and the rotating plate, the electronic rangefinder on the top of the rotating plate can be driven to rotate, thereby enabling measurements in multiple directions and improving measurement efficiency.

[0013] Optionally, an electronic level is fixedly installed on the top of the electronic rangefinder, a control mechanism is arranged inside the mounting plate, a wireless transmission mechanism is arranged inside the mounting plate, and the control mechanism is electrically connected to the electronic rangefinder, the first servo motor, the second servo motor, the third servo motor, the fifth servo motor, the sixth servo motor, the electronic rangefinder, the electronic level and the wireless transmission mechanism.

[0014] Optionally, a plurality of first magnetic grooves are provided inside the bottom plate, and the first magnetic grooves cooperate with the first support rods.

[0015] The present invention provides an engineering measurement device based on a drone, which has the following beneficial effects:

[0016] 1. The engineering measurement device based on the drone, through the mutual cooperation of the first slide groove, the first threaded rod, the first slider and the first servo motor, can drive the first slider to slide into the inside of the first slide groove and drive the bottom plate to move when the drone body is used to move the engineering measurement device based on the drone, thereby shortening the length of the engineering measurement device based on the drone when it moves, thereby reducing the wind resistance when the drone body moves it. Through the mutual cooperation of the first support rod, the fifth slide groove, the fifth threaded rod, the fifth slider and the fifth servo motor, the fifth slider can be retracted to the inside of the fifth slide groove when the engineering measurement device based on the drone is moved, thereby reducing wind resistance. When the engineering measurement device based on the drone is used for measurement, the levelness requirement detected by the electronic level can be used to cooperate with the levelness of the engineering measurement device based on the drone to adjust, thereby facilitating the electronic rangefinder to measure, thereby improving the practicality of the engineering measurement device based on the drone.

[0017] 2. The engineering measurement device based on the drone drives the second threaded rod to rotate by starting the third servo motor, and then drives the second slider to slide inside the second slide slot, and then drives multiple third sliders to slide inside the third slide slot, thereby driving multiple first connecting blocks to move, and then drives the first rotating rod to rotate, drives the second connecting block to move through the rotation limit, and then drives the first support rod to slide and lift, and at the same time drives the first connecting rod to slide to the outside of the fourth slide slot. When the first connecting rod slides to the outside of the fourth slide slot, the fourth slider limits the first support rod inside the fourth slide slot, so that the first support rod rotates under the drive of the first rotating rod , so that the bottom ends of the multiple first support rods rotate to the side away from the measuring benchmark body, and then cooperate with the fifth slide groove, the fifth threaded rod, the fifth slider and the fifth servo motor to support the measuring benchmark body, thereby ensuring the stability of the measuring benchmark body during measurement. When the drone-based engineering measurement device is moved to the measurement position, the interior of the airbag can be inflated through the cooperation of the air inlet pipe, the air pump and the output pipe, so that the airbag extends out of the interior of the internal groove, thereby protecting the bottom of the base plate. When the drone-based engineering measurement device is placed in the measurement position, the impact force when landing is reduced, and various mechanisms of the drone-based engineering measurement device are protected. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the present invention;

[0019] Figure 2 It is a schematic diagram of the interior of the measuring pole body of the present invention;

[0020] Figure 3 For the present invention Figure 2 A magnified schematic diagram of point A;

[0021] Figure 4 For the present invention Figure 2 An enlarged schematic diagram of point B;

[0022] Figure 5 is a schematic diagram of the interior of the first support rod of the present invention;

[0023] Figure 6 For the present invention Figure 5 An enlarged schematic diagram of point C;

[0024] Figure 7 It is the internal schematic diagram of the mounting plate of the present invention.

[0025] In the figure: 1, measuring pole body; 2, first slide; 3, first threaded rod; 4, first slider; 5, first servo motor; 6, top plate; 7, rotating plate; 8, second servo motor; 9, second slide; 10, third slide; 11, second threaded rod; 12, second slider; 13, third slider; 14, third servo motor; 15, first connecting block; 16, first rotating rod; 17, second connecting block; 18, first supporting rod; 19, fourth slide; 20, fourth slider; 21, second rotating rod; 22, third A connecting rod; 23, bottom plate; 24, air inlet pipe; 25, air pump; 26, output pipe; 27, internal groove; 28, air bag; 29, first magnetic groove; 30, fifth slide groove; 31, fifth threaded rod; 32, fifth slider; 33, fifth servo motor; 34, mounting plate; 35, electronic rangefinder; 36, electronic level; 37, sixth slide groove; 38, sixth threaded rod; 39, sixth slider; 40, sixth servo motor; 41, plug-in slot; 42, connecting seat; 43, fixing slot; 44, drone body. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0027] See also Figures 1 to 7The present invention provides a technical solution: an engineering measurement device based on a drone, comprising a measuring benchmark body 1, a first slide groove 2 is provided inside the measuring benchmark body 1, a first threaded rod 3 is rotatably connected inside the first slide groove 2, a first slider 4 is slidably connected inside the first slide groove 2, the first threaded rod 3 penetrates the first slider 4 and is threadedly connected thereto, a bottom plate 23 is fixedly connected to the bottom of the first slider 4, a second slide groove 9 is provided inside the measuring benchmark body 1, an adjustment mechanism is arranged inside the second slide groove 9, a top plate 6 is fixedly connected to the top of the measuring benchmark body 1, a rotating plate 7 is rotatably connected to the top of the top plate 6, an electronic rangefinder 35 is fixedly installed on the top of the rotating plate 7, and a plurality of first support rods 18 are fixedly connected to the outside of the adjustment mechanism;

[0028] The adjusting mechanism includes a second threaded rod 11, which is rotatably connected to the inside of the second slide groove 9, and a second slider 12 is slidably connected to the inside of the second slide groove 9. A plurality of third slide grooves 10 are provided inside the measuring benchmark body 1 and outside the second slide groove 9. A plurality of third sliders 13 are fixedly connected to the outside of the second slider 12. The third slider 13 is slidably connected to the inside of the third slide groove 10. A first connecting block 15 is fixedly connected to the outside of the third slider 13. A first rotating rod 16 is rotatably connected to the inside of the first connecting block 15. A second connecting block 17 is rotatably connected to the outside of the first rotating rod 16. The connecting block 17 is fixedly connected to the outer side of the first support rod 18, and the third servo motor 14 is fixedly installed inside the measuring benchmark body 1. The output end of the third servo motor 14 is fixedly connected to the second threaded rod 11. Through the mutual cooperation of the adjustment mechanism and the fourth slide groove 19, the fourth slider 20, the second rotating rod 21 and the first connecting rod 22, the first support rod 18 can be driven to be lifted and rotated according to the use requirements, so that the multiple first support rods 18 support the measuring benchmark body 1, thereby ensuring the stability of the measuring benchmark body 1 when in use, and improving the practicality of the engineering measurement device based on the drone;

[0029] A first servo motor 5 is fixedly installed inside the measuring benchmark body 1, and the output end of the first servo motor 5 is fixedly connected to the first threaded rod 3. The first servo motor 5 and the first threaded rod 3 cooperate with each other to ensure the normal operation of the first lifting mechanism. When in use, the first servo motor 5 is started to drive the first threaded rod 3 to rotate, and then the first slider 4 is driven to slide inside the first slide groove 2, so that the height of the measuring benchmark body 1 can be adjusted according to the use requirements. When transporting it, it can be shortened to reduce its length, thereby reducing its wind resistance during transportation, thereby improving the efficiency during detection and improving the practicality of the engineering measurement device based on the drone;

[0030] A fourth slide groove 19 is provided inside the first support rod 18, a fourth slider 20 is slidably connected inside the fourth slide groove 19, a second rotating rod 21 is rotatably connected inside the fourth slider 20, a first connecting rod 22 is fixedly connected to the top of the second rotating rod 21, and the first connecting rod 22 is fixedly connected to the bottom of the top plate 6;

[0031] A fifth slide groove 30 is provided inside the first support rod 18, a fifth slider 32 is slidably connected inside the fifth slide groove 30, a fifth threaded rod 31 is rotatably connected inside the fifth slide groove 30, the fifth threaded rod 31 penetrates the fifth slider 32 and is threadedly connected thereto, a fifth servo motor 33 is fixedly installed inside the first support rod 18, and an output end of the fifth servo motor 33 is fixedly connected to the fifth threaded rod 31. Through the mutual cooperation of the fifth slide groove 30, the fifth threaded rod 31, the fifth slider 32 and the fifth servo motor 33, the horizontality of the measuring benchmark body 1 can be adjusted according to the use requirements, so that the electronic distance meter 35 and the electronic level 36 are in a horizontal position, which is convenient for distance measurement;

[0032] A bottom plate 23 is fixedly connected to the bottom of the first slider 4, an air pump 25 is installed inside the bottom plate 23, a plurality of air inlet pipes 24 are fixedly connected inside the bottom plate 23, one end of the air inlet pipe 24 extends to the inside of the air pump 25, an output pipe 26 is fixedly connected to the inside of the air pump 25, an internal groove 27 is provided inside the bottom plate 23, an air bag 28 is arranged inside the internal groove 27, one end of the output pipe 26 extends to the inside of the internal groove 27 and is fixedly connected to the air bag 28, through the mutual cooperation of the air inlet pipe 24, the air pump 25, the output pipe 26, the internal groove 27 and the air bag 28, the air bag 28 can be inflated when the engineering measurement device based on the drone moves to the measurement position, thereby reducing the impact force of the engineering measurement device based on the drone when it lands, protecting the internal mechanisms of the engineering measurement device based on the drone, and improving the service life of the engineering measurement device based on the drone;

[0033] The top of the rotating plate 7 is fixedly connected to the mounting plate 34, and a plug-in slot 41 is provided inside the mounting plate 34. Two corresponding sixth slide slots 37 are provided inside the mounting plate 34 and outside the plug-in slot 41. A sixth threaded rod 38 is rotatably connected inside the sixth slide slot 37, and a sixth slider 39 is slidably connected inside the sixth slide slot 37. The sixth threaded rod 38 penetrates the sixth slider 39 and is threadedly connected thereto. A connecting seat 42 is plugged inside the plug-in slot 41, and two corresponding fixing slots 43 are provided inside the connecting seat 42. The sixth slider 39 cooperates with the fixing slot 43, and the interior of the mounting plate 34 is fixed. Two corresponding sixth servo motors 40 are installed, the output end of the sixth servo motor 40 is fixedly connected to the sixth threaded rod 38, and the top of the connecting seat 42 is fixedly connected to the drone body 44. Through the mutual cooperation of the sixth slide groove 37, the sixth threaded rod 38, the sixth slider 39, the sixth servo motor 40, the plug-in slot 41, the connecting seat 42 and the fixing slot 43, the engineering measurement device based on the drone can be fixed to the bottom of the drone body 44, so that the drone body 44 can be used to drive the engineering measurement device based on the drone to move, thereby improving the measurement efficiency and reducing the work intensity of the staff;

[0034] A second servo motor 8 is fixedly installed inside the top plate 6, and the output end of the second servo motor 8 is fixedly connected to the rotating plate 7. Through the cooperation between the second servo motor 8 and the rotating plate 7, the electronic distance meter 35 on the top of the rotating plate 7 can be driven to rotate, so that multi-direction measurement can be performed to improve measurement efficiency;

[0035] An electronic level 36 is fixedly installed on the top of the electronic rangefinder 35, a control mechanism is arranged inside the mounting plate 34, and a wireless transmission mechanism is arranged inside the mounting plate 34. The control mechanism is electrically connected to the electronic rangefinder 35, the first servo motor 5, the second servo motor 8, the third servo motor 14, the fifth servo motor 33, the sixth servo motor 40, the electronic rangefinder 35, the electronic level 36 and the wireless transmission mechanism. A plurality of first magnetic grooves 29 are provided inside the bottom plate 23, and the first magnetic grooves 29 cooperate with the first support rod 18.

[0036] In summary, when the drone-based engineering measurement device is used, the staff first controls the drone body 44 to insert the connecting seat 42 into the inside of the plug-in slot 41, and then starts the two sixth servo motors 40 through the control mechanism to drive the two sixth threaded rods 38 to rotate, and then drives the two sixth sliders 39 to slide into the inside of the plug-in slot 41 respectively, so that the sixth slider 39 is inserted into the inside of the fixing slot 43, so that the connecting seat 42 is fixed inside the plug-in slot 41, and then controls the drone body 44 to move the drone-based engineering measurement device, starts the first servo motor 5 to drive the first threaded rod 3 to rotate, and drives the first slider 4 to slide into the inside of the first slide slot 2, thereby shortening the length of the measuring benchmark body 1 when moving. The wind resistance of the drone body 44 when it moves is reduced, the efficiency of movement is improved, and the drone body 44 is prevented from tilting when the drone-based engineering measurement device is moved. At the same time, the four first support rods 18 are adsorbed inside the first magnetic suction groove 29, so that the multiple first support rods 18 are fixed. When the drone-based engineering measurement device is moved to the measurement position, the air pump 25 is started to inflate the inside of the airbag 28 through the air inlet pipe 24 and the output pipe 26, so that the airbag 28 extends out of the outside of the internal groove 27, protects the bottom of the bottom plate 23, reduces the impact force of the drone-based engineering measurement device when it lands, protects the internal mechanisms of the drone-based engineering measurement device, and then starts the two first magnetic suction grooves 29. The sixth servo motor 40 drives the sixth slider 39 to reset, thereby releasing the limit on the connecting seat 42, and then starts the first servo motor 5 to drive the first threaded rod 3 to rotate, and then drives the first slider 4 to slide to the outside of the first slide groove 2, and then raises the UAV-based engineering measurement device to its original height, and at the same time starts the third servo motor 14 to drive the second threaded rod 11 to rotate, and then drives the second slider 12 to slide inside the second slide groove 9, and then drives multiple third sliders 13 to slide inside the third slide groove 10, thereby driving multiple first connecting blocks 15 to move, and then drives the first rotating rod 16 to rotate, drives the second connecting block 17 to move through the rotation limit, and then drives the first support rod 18 to slide. The first connecting rod 22 is automatically lifted and lowered, and at the same time, the first connecting rod 22 is driven to slide to the outside of the fourth slide groove 19. When the first connecting rod 22 slides to the outside of the fourth slide groove 19, the fourth slider 20 limits the first support rod 18 inside the fourth slide groove 19, so that the first support rod 18 is rotated under the drive of the first rotating rod 16, so that the bottom ends of multiple first support rods 18 are rotated to the side away from the measuring benchmark body 1, and then multiple fifth servo motors 33 are started to drive the fifth threaded rod 31 to rotate, and then drive the fifth slider 32 to slide to the outside of the fifth slide groove 30, so as to support the measuring benchmark body 1, thereby ensuring the stability of the engineering measurement device based on the drone, and at the same time, the required levelness can be detected according to the electronic level 36.The corresponding fifth servo motor 33 is started to drive the fifth threaded rod 31 and the fifth slider 32 to operate, thereby adjusting the horizontality of the engineering measurement device based on the drone, which is convenient for the electronic rangefinder 35 to measure. At the same time, the second servo motor 8 can be started according to the measurement requirements to drive the rotating plate 7 to rotate, thereby driving the electronic rangefinder 35 to rotate, so as to facilitate the electronic rangefinder 35 to measure in multiple directions.

[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An engineering surveying device based on a drone, comprising a surveying pole body (1), characterized in that: The measuring mark rod body (1) is provided with a first slide groove (2) inside, a first threaded rod (3) is rotatably connected inside the first slide groove (2), a first slider (4) is slidably connected inside the first slide groove (2), the first threaded rod (3) passes through the first slider (4) and is threadedly connected thereto, a bottom plate (23) is fixedly connected to the bottom of the first slider (4), a second slide groove (9) is provided inside the measuring mark rod body (1), an adjustment mechanism is arranged inside the second slide groove (9), a top plate (6) is fixedly connected to the top of the measuring mark rod body (1), a rotating plate (7) is rotatably connected to the top of the top plate (6), an electronic distance meter (35) is fixedly installed on the top of the rotating plate (7), and a plurality of first support rods (18) are fixedly connected to the outer side of the adjustment mechanism; The adjusting mechanism comprises a second threaded rod (11), the second threaded rod (11) is rotatably connected to the inside of the second slide groove (9), the inside of the second slide groove (9) is slidably connected to a second slider (12), a plurality of third slide grooves (10) are provided inside the measuring mark rod body (1) and located outside the second slide groove (9), a plurality of third sliders (13) are fixedly connected to the outside of the second slider (12), the third slider (13) is slidably connected to the inside of the third slide groove (10), a first connecting block (15) is fixedly connected to the outside of the third slider (13), a first rotating rod (16) is rotatably connected to the inside of the first connecting block (15), a second connecting block (17) is rotatably connected to the outside of the first rotating rod (16), the second connecting block (17) is fixedly connected to the outside of the first supporting rod (18), a third servo motor (14) is fixedly installed inside the measuring mark rod body (1), and an output end of the third servo motor (14) is fixedly connected to the second threaded rod (11); A fourth sliding groove (19) is provided inside the first support rod (18), a fourth sliding block (20) is slidably connected inside the fourth sliding groove (19), a second rotating rod (21) is rotatably connected inside the fourth sliding block (20), a first connecting rod (22) is fixedly connected to the top of the second rotating rod (21), and the first connecting rod (22) is fixedly connected to the bottom of the top plate (6).

2. The engineering surveying device based on a drone according to claim 1, characterized in that: A first servo motor (5) is fixedly installed inside the measuring pole body (1), and an output end of the first servo motor (5) is fixedly connected to the first threaded rod (3).

3. The engineering surveying device based on a drone according to claim 1, characterized in that: A fifth sliding groove (30) is provided inside the first support rod (18), a fifth sliding block (32) is slidably connected inside the fifth sliding groove (30), a fifth threaded rod (31) is rotatably connected inside the fifth sliding groove (30), the fifth threaded rod (31) passes through the fifth sliding block (32) and is threadedly connected thereto, a fifth servo motor (33) is fixedly installed inside the first support rod (18), and an output end of the fifth servo motor (33) is fixedly connected to the fifth threaded rod (31).

4. The engineering surveying device based on a drone according to claim 1, characterized in that: The bottom of the first sliding block (4) is fixedly connected to a bottom plate (23), an air pump (25) is installed inside the bottom plate (23), a plurality of air intake pipes (24) are fixedly connected inside the bottom plate (23), one end of the air intake pipe (24) extends to the inside of the air pump (25), an output pipe (26) is fixedly connected to the inside of the air pump (25), an internal groove (27) is provided inside the bottom plate (23), an air bag (28) is arranged inside the internal groove (27), and one end of the output pipe (26) extends to the inside of the internal groove (27) and is fixedly connected to the air bag (28).

5. The engineering surveying device based on a drone according to claim 1, characterized in that: The top of the rotating plate (7) is fixedly connected with a mounting plate (34), a plug-in slot (41) is provided inside the mounting plate (34), two corresponding sixth slide slots (37) are provided inside the mounting plate (34) and outside the plug-in slot (41), a sixth threaded rod (38) is rotatably connected inside the sixth slide slot (37), a sixth slider (39) is slidably connected inside the sixth slide slot (37), the sixth threaded rod (38) penetrates the sixth slider (39) and is threadedly connected thereto, a connecting seat (42) is plugged inside the plug-in slot (41), two corresponding fixing slots (43) are provided inside the connecting seat (42), the sixth slider (39) and the fixing slot (43) cooperate with each other, two corresponding sixth servo motors (40) are fixedly installed inside the mounting plate (34), the output end of the sixth servo motor (40) is fixedly connected to the sixth threaded rod (38), and the top of the connecting seat (42) is fixedly connected with a drone body (44).

6. The engineering surveying device based on a drone according to claim 1, characterized in that: A second servo motor (8) is fixedly installed inside the top plate (6), and an output end of the second servo motor (8) is fixedly connected to the rotating plate (7).

7. The engineering surveying device based on a drone according to claim 5, characterized in that: An electronic level (36) is fixedly mounted on the top of the electronic distance meter (35); a control mechanism is arranged inside the mounting plate (34); a wireless transmission mechanism is arranged inside the mounting plate (34); the control mechanism is electrically connected to the electronic distance meter (35), the first servo motor (5), the second servo motor (8), the third servo motor (14), the fifth servo motor (33), the sixth servo motor (40), the electronic distance meter (35), the electronic level (36) and the wireless transmission mechanism.

8. The engineering surveying device based on a drone according to claim 1, characterized in that: A plurality of first magnetic attraction grooves (29) are provided inside the bottom plate (23), and the first magnetic attraction grooves (29) cooperate with the first support rods (18).

Images