Land geographic information surveying and mapping device

Abstract

The invention belongs to the technical field of geographic information surveying and mapping unmanned aerial vehicles, and particularly discloses a land geographic information surveying and mapping device which comprises an unmanned aerial vehicle body, a mounting seat is fixedly connected to one end of the unmanned aerial vehicle body, a surveying and mapping instrument is mounted at the lower end of the unmanned aerial vehicle body, and a motor is mounted at the upper end of the mounting seat. A propeller is mounted at the upper end of the motor, a ventilation mechanism is arranged on the outer side of the mounting seat, and a dispersion mechanism is arranged at the upper end of the ventilation mechanism. Through cooperation of the ventilation mechanism and the dispersion mechanism, gas can stably flow downwards from the ventilation groove and then be stably adsorbed into the drainage groove and the outer flow groove, the flowing layout around the propeller is optimized, and the dynamic stability of lift output of the unmanned aerial vehicle body is improved; and the surveying and mapping instrument can accurately and effectively carry out surveying and mapping on the land geographic information.

Description

Technical Field

[0001] The invention belongs to the technical field of geographic information surveying and mapping unmanned aerial vehicles, and specifically discloses a land geographic information surveying and mapping device. Background Art

[0002] Drone mapping is a technical method that uses drones equipped with sensors to obtain aerial data to achieve rapid, high-precision mapping, three-dimensional modeling and data processing of ground objects. In practical applications, drone mapping technology can complete land surveying, building surveying, investigation and evaluation, monitoring and management, three-dimensional modeling and other operations. For example, in the field of land surveying and mapping, drone mapping can be used for dynamic monitoring and investigation of land resources, updating of land use and coverage maps, etc.; in environmental monitoring, drone mapping can accurately obtain high-resolution aerial images and timely monitor environmental pollution and other problems; in agricultural and forestry applications, drone mapping can be used for farmland navigation, land rights confirmation, farmland plant protection operations, etc., to improve work efficiency and accuracy;

[0003] In the past, most land geographic information surveying and mapping devices used drones as the main body, and used the surveying instruments carried by drones to survey the land. When the drones survey and collect land geographic information and data in the air, they are easily affected by airflow during takeoff and flight, which can easily cause the drone body to be unable to maintain a stable balance. At the same time, there is a relatively chaotic airflow around the drone during takeoff, causing the airflow to disturb larger particles, which can easily cause the carried surveying instrument to be hit by the particles, thereby affecting the surveying instrument's collection of land geographic information after launch and affecting the collected data. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a land geographic information surveying and mapping device.

[0005] To achieve the above objectives, the present invention provides a land geographic information surveying and mapping device, comprising an unmanned aerial vehicle (UAV) body, one end of the UAV body being fixedly connected to a mounting seat, a surveying instrument being installed at the lower end of the UAV body, a motor being installed at the upper end of the mounting seat, a propeller being installed at the upper end of the motor, a ventilation mechanism being arranged on the outer side of the mounting seat, a dispersion mechanism being arranged at the upper end of the ventilation mechanism, and a landing gear being fixedly connected to one side and the other side of the lower end of the UAV body close to the surveying instrument.

[0006] In the above technical solution, preferably, the ventilation mechanism includes a connecting piece fixedly connected to the outside of the mounting seat, the outside of the connecting piece is fixedly connected to a chassis, the upper end of the chassis is provided with a ventilation groove, the inside of the chassis is provided with a regulating groove, and the inside of the chassis is provided with a sliding groove on one side close to the regulating groove.

[0007] In the above technical solution, preferably, the regulating groove and the sliding groove are interconnected, the inner side of the regulating groove is slidably connected to a main baffle, the inner side of the regulating groove close to the main baffle is slidably connected to a sub-baffle, the inner side of the sliding groove is slidably connected to a control frame, an electric wheel is placed on the inner side of the control frame, an installation shaft is installed on the inner side of the electric wheel, and the front end of the sub-baffle is transmission-connected to a transmission wheel.

[0008] In the above technical solution, preferably, the inner side of the transmission wheel is movably connected to a support shaft, the rear end of the control frame is fixedly connected to a regulating frame, an regulating slot is opened inside the regulating frame, and a connecting rod is movably connected inside the regulating slot.

[0009] In the above technical solution, preferably, a movable groove is opened at the upper end of the regulating frame, and a regulating rod is movably connected to the inner side of the movable groove. The chassis is C-shaped, the main baffle and the auxiliary baffle block the ventilation groove, and the installation shaft passes through the interior of the chassis, and the installation shaft is movably connected to the chassis.

[0010] In the above technical solution, preferably, the front end of the electric wheel is transmission-connected to the inner wall of the control frame, and the front end of the transmission wheel is transmission-connected to the rear end of the control frame close to the regulating frame.

[0011] In the above technical solution, preferably, the support shaft passes through the interior of the chassis, the support shaft and the chassis are movably connected, one end of the connecting rod is fixedly connected to one end of the main baffle, the regulating rod passes through the interior of the connecting rod, and the regulating rod and the connecting rod are fixedly connected.

[0012] In the above technical solution, preferably, the dispersion mechanism includes an air gathering bin fixedly connected to the upper end of the chassis, an air outlet bin is fixedly connected to the outer side of the air gathering bin, a drainage groove is provided on the outer side of the air gathering bin close to the air outlet bin, an air outlet is provided on the inner wall of the air gathering bin, the upper end of the air gathering bin is fixedly connected to a rising bin, an outer side of the rising bin is provided with an outer flow groove, and an inner wall of the rising bin is provided with an inner flow groove.

[0013] In the above technical scheme, preferably, the axial lines of the rising bin, wind collecting bin, chassis, connecting piece and propeller are located on the same straight line, the drainage groove corresponds to the external flow groove, the external flow groove and the internal flow groove opened on the outer side and the inner wall of the rising bin form a tortuous cross-section, the upper opening diameter of the rising bin is smaller than the lower opening diameter, the upper opening of the rising bin is located directly above the connecting piece, the propeller is located on the inner side of the wind collecting bin, and the air outlet corresponds to the air outlet bin.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. By rotating the propeller inside the wind gathering chamber, the propeller makes the gas outside the wind gathering chamber flow into the wind gathering chamber along the air outlet chamber, and the gas outside the wind gathering chamber flows along the drainage groove and the external flow groove, so as to limit the diffusion path of the gas, thereby avoiding the turbulence of the gas outside the wind gathering chamber. By optimizing the structural layout around the propeller, the dynamic stability of the lift output of the UAV body is realized, and it is limited by the shape of the air outlet chamber and the lifting chamber, thereby avoiding the inhalation of external particles into the wind gathering chamber and avoiding the propeller from being hit by particles.

[0016] 2. By starting the electric wheel to move the control frame, the control frame drives the auxiliary baffle to move through the transmission wheel, and drives the main baffle to move through the regulating frame and the connecting rod, and the moving directions of the main baffle and the auxiliary baffle are different, so that the purpose of controlling the opening size of the ventilation slot can be achieved, so that the gas can only flow downward from the ventilation slot, thereby avoiding the occurrence of gas turbulence and ensuring the stability of the UAV body, so that the surveying instrument can accurately and effectively survey the land geographic information.

[0017] 3. The airflow generated by the propeller is drained through the air outlet bin, drainage groove, external flow groove, and internal flow groove, and then combined with the opening size of the ventilation groove, so that the gas flows smoothly downward from the ventilation groove, and then is stably adsorbed in the drainage groove and external flow groove, thereby optimizing the flow layout around the propeller and achieving the dynamic stability of improving the lift output of the UAV body. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of a land geographic information surveying and mapping device proposed by the present invention;

[0019] Figure 2 A schematic diagram of the local structure of a land geographic information surveying and mapping device proposed by the present invention Figure 1 ;

[0020] Figure 3 A schematic diagram of the local structure of a land geographic information surveying and mapping device proposed by the present invention Figure 2 ;

[0021] Figure 4 A schematic diagram of the ventilation mechanism structure of a land geographic information surveying and mapping device proposed by the present invention;

[0022] Figure 5 A schematic diagram of the partial structure of the ventilation mechanism of a land geographic information surveying and mapping device proposed by the present invention Figure 1 ;

[0023] Figure 6 A schematic diagram of the partial structure of the ventilation mechanism of a land geographic information surveying and mapping device proposed by the present invention Figure 2;

[0024] Figure 7 A schematic diagram of the decentralized structure of a land geographic information surveying and mapping device proposed by the present invention;

[0025] Figure 8 A schematic diagram of the local structure of a decentralized mechanism of a land geographic information surveying and mapping device proposed by the present invention Figure 1 ;

[0026] Fig. 9 A schematic diagram of the local structure of a decentralized mechanism of a land geographic information surveying and mapping device proposed by the present invention Figure 2 ;

[0027] Fig.10 A land geographic information surveying and mapping device proposed by the present invention Figure 6 Schematic diagram of the enlarged structure of part A in the middle.

[0028] In the figure: 1. UAV body; 2. Mounting seat; 3. Surveying instrument; 4. Motor; 5. Propeller; 6. Ventilation mechanism; 61. Connecting piece; 62. Chassis; 63. Ventilation slot; 64. Adjustment slot; 65. Sliding slot; 66. Main baffle; 67. Auxiliary baffle; 68. Control frame; 69. Electric wheel; 610. Mounting shaft; 611. Transmission wheel; 612. Support shaft; 613. Adjustment frame; 614. Adjustment slot; 615. Connecting rod; 616. Movable slot; 617. Adjustment rod; 7. Dispersion mechanism; 71. Wind gathering chamber; 72. Wind outlet chamber; 73. Drainage slot; 74. Air outlet; 75. Lifting chamber; 76. External flow slot; 77. Internal flow slot; 8. Landing gear. DETAILED DESCRIPTION

[0029] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0030] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0031] like Figure 1-Figure 10 A land geographic information surveying and mapping device shown in the figure includes an unmanned aerial vehicle body 1, one end of the unmanned aerial vehicle body 1 is fixedly connected to a mounting base 2, a surveying instrument 3 is installed at the lower end of the unmanned aerial vehicle body 1, a motor 4 is installed at the upper end of the mounting base 2, a propeller 5 is installed at the upper end of the motor 4, a ventilation mechanism 6 is arranged on the outer side of the mounting base 2, a dispersion mechanism 7 is arranged on the upper end of the ventilation mechanism 6, and a landing gear 8 is fixedly connected to one side and the other side of the lower end of the unmanned aerial vehicle body 1 close to the surveying instrument 3.

[0032] The ventilation mechanism 6 includes a connecting piece 61 fixedly connected to the outside of the mounting seat 2, the outside of the connecting piece 61 is fixedly connected to a chassis 62, the upper end of the chassis 62 is provided with a ventilation slot 63, the inside of the chassis 62 is provided with a regulating slot 64, the inside of the chassis 62 is provided with a sliding slot 65 close to the regulating slot 64, the regulating slot 64 and the sliding slot 65 are connected, the inside of the regulating slot 64 is slidably connected with a main baffle 66, the inside of the regulating slot 64 is slidably connected with a sub-baffle 67 close to the main baffle 66, the inside of the sliding slot 65 is slidably connected with a control frame 68, an electric wheel 69 is placed on the inside of the control frame 68, the inside of the electric wheel 69 is installed with a mounting shaft 610, the front end of the sub-baffle 67 is transmission-connected with a transmission wheel 611, the inside of the transmission wheel 611 is movably connected with a support shaft 612, the rear end of the control frame 68 is fixedly connected with a regulating frame 613, the inside of the regulating frame 613 An adjusting groove 614 is provided at the bottom, and a connecting rod 615 is movably connected to the inner side of the adjusting groove 614. A movable groove 616 is provided at the upper end of the regulating frame 613, and a regulating rod 617 is movably connected to the inner side of the movable groove 616. The shape of the chassis 62 is C-shaped, the main baffle 66 and the auxiliary baffle 67 block the ventilation groove 63, the installation shaft 610 runs through the interior of the chassis 62, and the installation shaft 610 and the chassis 62 are movably connected. The front end of the electric wheel 69 is transmission-connected to the inner wall of the control frame 68, and the front end of the transmission wheel 611 is transmission-connected to the side of the rear end of the control frame 68 close to the regulating frame 613. The support shaft 612 runs through the interior of the chassis 62, and the support shaft 612 is movably connected to the chassis 62. One end of the connecting rod 615 is fixedly connected to one end of the main baffle 66, and the regulating rod 617 runs through the interior of the connecting rod 615, and the regulating rod 617 and the connecting rod 615 are fixedly connected.

[0033] When in use, the electric wheel 69 is started to drive the control frame 68 to move, and then the control frame 68 drives the auxiliary baffle 67 to slide in the inner side of the regulating groove 64 through the transmission wheel 611, and the transmission of the transmission wheel 611 makes the auxiliary baffle 67 move in the opposite direction to the control frame 68. At the same time, the control frame 68 drives the regulating frame 613 to move, and then the regulating frame 613 pulls the connecting rod 615 through the regulating rod 617, so that the connecting rod 615 drives the main baffle 66 to slide in the inner side of the regulating groove 64, and the regulating groove 64 moves in the direction of movement of the control frame 68, so that the moving directions of the regulating groove 64 and the auxiliary baffle 67 are different, so that the regulating groove 64 and the auxiliary baffle 67 control the opening area of ​​the ventilation groove 63, thereby controlling the hovering of the drone body 1, and making the drone body 1 hover. During the process, the gas can only flow downward from the ventilation slot 63, thereby avoiding the occurrence of gas turbulence and ensuring the smooth operation of the UAV body 1, so that the surveying instrument 3 can accurately and effectively survey the land geographic information. By starting the electric wheel 69, the control frame 68 is moved, and the control frame 68 drives the auxiliary baffle 67 to move through the transmission wheel 611, and the control frame 68 drives the main baffle 66 to move through the regulating frame 613 and the connecting rod 615, and the moving directions of the main baffle 66 and the auxiliary baffle 67 are different, which can achieve the purpose of facilitating the control of the opening size of the ventilation slot 63, and then the gas can only flow downward from the ventilation slot 63, thereby avoiding the occurrence of gas turbulence and ensuring the smooth operation of the UAV body 1, so that the surveying instrument 3 can accurately and effectively survey the land geographic information.

[0034] The dispersion mechanism 7 includes a wind collecting bin 71 fixedly connected to the upper end of the chassis 62, an air outlet bin 72 is fixedly connected to the outer side of the wind collecting bin 71, a drainage groove 73 is provided on the outer side of the wind collecting bin 71 close to the air outlet bin 72, an air outlet 74 is provided on the inner wall of the wind collecting bin 71, a rising bin 75 is fixedly connected to the upper end of the wind collecting bin 71, an outer flow groove 76 is provided on the outer side of the rising bin 75, an inner flow groove 77 is provided on the inner wall of the rising bin 75, and the rising bin 75, the wind collecting bin 71, and the chassis 62, the axis lines of the connecting piece 61 and the propeller 5 are located on the same straight line, the drainage groove 73 corresponds to the external flow groove 76, the external flow groove 76 and the internal flow groove 77 opened on the outer side and the inner wall of the rising bin 75 form its cross section into a tortuous shape, the upper opening diameter of the rising bin 75 is smaller than the lower opening diameter, the upper opening of the rising bin 75 is located directly above the connecting piece 61, the propeller 5 is located on the inner side of the wind gathering bin 71, and the air outlet 74 corresponds to the air outlet bin 72.

[0035] Put the drone body 1 on the ground so that the landing gear 8 touches the ground, then start the surveying instrument 3, and then start the drone body 1, so that the drone body 1 controls the motor 4, so that the motor 4 drives the propeller 5 to rotate, and then the propeller 5 rotates in the wind gathering chamber 71, and the propeller 5 drives the surrounding airflow during the rotation, and the propeller 5 sucks the airflow outside the wind gathering chamber 71 inward, and the gas flows from the air outlet 74 along the air outlet chamber 72 to the wind gathering chamber 71, and the gas needs to be sucked into the wind gathering chamber 71 from the air outlet chamber 72, so that the gas can flow more evenly, and at the same time, the propeller 5 transports the gas downward through the connecting piece 61 to provide lift for the upward rise, and at the same time, the gas outside the wind gathering chamber 71 flows along the drainage groove 73, and the gas contacts the lifting chamber 75, so that the gas flows along the outside of the lifting chamber 75. The gas flows through the outer flow groove 76 on the side, so that the drainage groove 73 and the outer flow groove 76 guide the gas diffusion path, and the propeller 5 rotates in the inner side of the wind gathering chamber 71, so that the propeller 5 makes the gas outside the wind gathering chamber 71 flow into the wind gathering chamber 71 along the air outlet chamber 72, and the gas outside the wind gathering chamber 71 flows along the drainage groove 73 and the outer flow groove 76, which can achieve the purpose of limiting the diffusion path of the gas, thereby avoiding the turbulence of the gas outside the wind gathering chamber 71. After optimizing the structural layout around the propeller 5, the dynamic stability of the lift output of the UAV body 1 is achieved, and it is limited by the shape of the air outlet chamber 72 and the lifting chamber 75, thereby avoiding the inhalation of external particles into the wind gathering chamber 71, and avoiding the propeller 5 from being hit by particles. When the UAV body 1 is lifted, the surveying instrument 3 is used to survey and map the land geographic information.

[0036] Working principle: When in use, the worker first puts the drone body 1 on the ground so that the landing gear 8 touches the ground, then starts the surveying instrument 3, and then starts the drone body 1, so that the drone body 1 controls the motor 4, so that the motor 4 drives the propeller 5 to rotate, and then the propeller 5 rotates in the wind collecting bin 71, and the propeller 5 drives the surrounding airflow during the rotation, and the propeller 5 sucks the airflow outside the wind collecting bin 71 inward, and the gas flows from the air outlet 74 along the air outlet bin 72 to the wind collecting bin 71, and the gas needs to be sucked from the air outlet bin 72 to the wind collecting bin 71, so that the gas can flow more evenly, and at the same time, the propeller 5 transports the gas downward through the connecting piece 61 to provide lift for the upward rise, and at the same time, the wind collecting bin The gas outside the wind collecting chamber 71 flows along the drainage groove 73, and the gas contacts the rising chamber 75, so that the gas flows along the outer flow groove 76 outside the rising chamber 75, so that the drainage groove 73 and the outer flow groove 76 guide the gas diffusion path, and the propeller 5 rotates inside the wind collecting chamber 71, so that the propeller 5 makes the gas outside the wind collecting chamber 71 flow into the wind collecting chamber 71 along the air outlet chamber 72, and the gas outside the wind collecting chamber 71 flows along the drainage groove 73 and the outer flow groove 76, which can achieve the purpose of limiting the diffusion path of the gas, thereby avoiding the phenomenon of turbulence of the gas outside the wind collecting chamber 71. By optimizing the structural layout around the propeller 5, the dynamic stability of the lift output of the UAV body 1 is realized, and the air outlet chamber 72 and the air outlet chamber 72 are affected. The shape of the lifting chamber 75 is limited, thereby preventing external particles from being sucked into the wind gathering chamber 71 and preventing the propeller 5 from being hit by particles. When the UAV body 1 is raised, the surveying instrument 3 is used to survey the land geographic information, and then the electric wheel 69 is started to drive the control frame 68 to move, and then the control frame 68 drives the auxiliary baffle 67 to slide on the inner side of the regulating groove 64 through the transmission wheel 611, and the transmission of the transmission wheel 611 makes the auxiliary baffle 67 move in the opposite direction to the control frame 68. At the same time, the control frame 68 drives the regulating frame 613 to move, and then the regulating frame 613 pulls the connecting rod 615 through the regulating rod 617, so that the connecting rod 615 drives the main baffle 66 to slide on the inner side of the regulating groove 64, and The regulating slot 64 moves along with the moving direction of the control frame 68, so that the moving directions of the regulating slot 64 and the auxiliary baffle 67 are different, so that the regulating slot 64 and the auxiliary baffle 67 control the opening area of ​​the ventilation slot 63, thereby controlling the hovering of the UAV body 1, and making the UAV body 1 in the hovering process, the gas can only flow downward from the ventilation slot 63, thereby avoiding the occurrence of gas turbulence, and ensuring the stable operation of the UAV body 1, so that the surveying instrument 3 can accurately and effectively survey the land geographic information, and by starting the electric wheel 69 to move the control frame 68, the control frame 68 drives the auxiliary baffle 67 to move through the transmission wheel 611, and the control frame 68 drives the main baffle 66 to move through the regulating frame 613 and the connecting rod 615.And the moving directions of the main baffle 66 and the auxiliary baffle 67 are different, so that the purpose of controlling the opening size of the ventilation slot 63 can be achieved, so that the gas can only flow downward from the ventilation slot 63, thereby avoiding the occurrence of gas turbulence and ensuring the smooth operation of the drone body 1, so that the surveying instrument 3 can accurately and effectively survey the land geographic information, and the airflow generated by the propeller 5 is drained through the air outlet bin 72, the drainage slot 73, the outer flow slot 76, and the inner flow slot 77, and then combined with the opening size of the ventilation slot 63, so that the gas can flow steadily downward from the ventilation slot 63, and then be stably adsorbed in the drainage slot 73 and the outer flow slot 76, so as to optimize the flow layout around the propeller 5, and realize the dynamic stability of improving the lift output of the drone body 1.

[0037] In the present invention, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense. For example, "connect" can be a fixed connection, a detachable connection, or an integral connection; it can be connected directly or indirectly through an intermediate medium. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] In the description of this specification, if the terms "one embodiment", "some embodiments", "specific embodiments" and the like appear, it means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0039] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. A land geographic information surveying and mapping device, comprising an unmanned aerial vehicle body (1), characterized in that: One end of the drone body (1) is fixedly connected to a mounting seat (2), a surveying instrument (3) is mounted on the lower end of the drone body (1), a motor (4) is mounted on the upper end of the mounting seat (2), a propeller (5) is mounted on the upper end of the motor (4), a ventilation mechanism (6) is arranged on the outer side of the mounting seat (2), a dispersion mechanism (7) is arranged on the upper end of the ventilation mechanism (6), and a landing gear (8) is fixedly connected to one side and the other side of the lower end of the drone body (1) close to the surveying instrument (3).

2. A land geographic information surveying and mapping device according to claim 1, characterized in that: The ventilation mechanism (6) comprises a connecting member (61) fixedly connected to the outside of the mounting seat (2); the outside of the connecting member (61) is fixedly connected to a chassis (62); an upper end of the chassis (62) is provided with a ventilation slot (63); an interior of the chassis (62) is provided with a regulating slot (64); and an interior of the chassis (62) is provided with a sliding slot (65) on a side close to the regulating slot (64).

3. A land geographic information surveying and mapping device according to claim 2, characterized in that: The regulating groove (64) and the sliding groove (65) are interconnected; a main baffle (66) is slidably connected to the inner side of the regulating groove (64); a sub-baffle (67) is slidably connected to the inner side of the regulating groove (64) close to the main baffle (66); a control frame (68) is slidably connected to the inner side of the sliding groove (65); an electric wheel (69) is placed on the inner side of the control frame (68); a mounting shaft (610) is installed on the inner side of the electric wheel (69); and a transmission wheel (611) is transmission-connected to the front end of the sub-baffle (67).

4. A land geographic information surveying and mapping device according to claim 3, characterized in that: The inner side of the transmission wheel (611) is movably connected to a support shaft (612), the rear end of the control frame (68) is fixedly connected to a regulating frame (613), an regulating groove (614) is provided inside the regulating frame (613), and a connecting rod (615) is movably connected to the inner side of the regulating groove (614).

5. A land geographic information surveying and mapping device according to claim 4, characterized in that: The upper end of the regulating frame (613) is provided with a movable groove (616), the inner side of the movable groove (616) is movably connected to a regulating rod (617), the shape of the chassis (62) is C-shaped, the main baffle (66) and the auxiliary baffle (67) block the ventilation groove (63), the installation shaft (610) passes through the interior of the chassis (62), and the installation shaft (610) is movably connected to the chassis (62).

6. A land geographic information surveying and mapping device according to claim 5, characterized in that: The front end of the electric wheel (69) is transmission-connected to the inner wall of the control frame (68), and the front end of the transmission wheel (611) is transmission-connected to the rear end of the control frame (68) close to the regulating frame (613).

7. A land geographic information surveying and mapping device according to claim 5, characterized in that: The support shaft (612) passes through the interior of the chassis (62), and the support shaft (612) and the chassis (62) are movably connected. One end of the connecting rod (615) is fixedly connected to one end of the main baffle (66). The regulating rod (617) passes through the interior of the connecting rod (615), and the regulating rod (617) and the connecting rod (615) are fixedly connected.

8. A land geographic information surveying and mapping device according to claim 5, characterized in that: The dispersion mechanism (7) comprises a wind gathering bin (71) fixedly connected to the upper end of the chassis (62); the outer side of the wind gathering bin (71) is fixedly connected to an air outlet bin (72); the outer side of the wind gathering bin (71) close to the air outlet bin (72) is provided with a drainage groove (73); the inner wall of the wind gathering bin (71) is provided with an air outlet (74); the upper end of the wind gathering bin (71) is fixedly connected to a rising bin (75); the outer side of the rising bin (75) is provided with an outer flow groove (76); and the inner wall of the rising bin (75) is provided with an inner flow groove (77).

9. A land geographic information surveying and mapping device according to claim 8, characterized in that: The axis lines of the rising bin (75), the wind collecting bin (71), the chassis (62), the connecting piece (61), and the propeller (5) are located on the same straight line, the drainage groove (73) corresponds to the external flow groove (76), the external flow groove (76) and the internal flow groove (77) provided on the outer and inner walls of the rising bin (75) form a zigzag cross section, the upper opening diameter of the rising bin (75) is smaller than the lower opening diameter, the upper opening of the rising bin (75) is located directly above the connecting piece (61), the propeller (5) is located on the inner side of the wind collecting bin (71), and the air outlet (74) corresponds to the air outlet bin (72).

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