Measuring device for land management

Abstract

The invention relates to the technical field of soil layer distance measuring devices, in particular to a measuring device for land management, which comprises a roller, a holding mechanism, a powder discharging mechanism and an anti-skid mechanism, the anti-skid mechanism comprises a sliding guide box fixedly arranged on the roller, a sliding rod is connected in the sliding guide box, an inserting rod is fixedly arranged on the sliding rod, and the inserting rod is connected with the roller. The powder discharging mechanism comprises a fixing frame, a driven gear, a driving gear, a connecting rod, a plug plate and a fixing box, the plug plate is in sliding fit with the fixing box, a connecting cavity is formed in the lower end of the fixing box, an air inlet is fixedly formed in the lower end of the fixing box, a water tank is arranged at the lower end of the fixing box, a connecting pipe is arranged between the fixing box and the water tank, and a powder box is fixedly arranged at the right end of the fixing box. The powder discharging pipe is fixedly arranged at the lower end of the powder box, the rolling wheels are prevented from slipping in an area with a soft soil layer and high humidity through the anti-skid mechanism, display powder is discharged downwards through the powder discharging mechanism which is opened and closed intermittently, and the display powder discharging definition can be improved.

Description

Technical Field

[0001] The present invention relates to the technical field of soil layer distance measuring devices, and specifically to a measuring device for land management. Background Art

[0002] In land management, hand-pushed distance measuring wheels are widely used. In land planning and road construction, through electronic measuring tools, they are used to determine the length, width, and boundaries of roads. The hand-pushed distance measuring wheel for land management is a practical and efficient measuring tool, with the characteristics of simple operation, high precision, and wide application range.

[0003] During the working process, by gently pushing the digital display distance measuring wheel and moving forward along the route to be measured, pay attention to keeping the distance measuring wheel moving forward smoothly. When the digital display distance measuring wheel is pushed to the end point to be measured, the value displayed on the display screen is the measurement result;

[0004] However, in some cases, wet land may be accompanied by other safety hazards, such as the slipperiness caused by mud leading to equipment out of control. If the distance measuring wheel slips on wet land, the staff may need to estimate the slipping distance through repeated tests or rely on other methods (such as pacing, visual inspection, etc.), which is not only time-consuming but also may not be accurate. When demarcating the length, width, and boundaries of a road, it is necessary to draw lines at the soil layer to indicate the boundaries for the staff to observe. As a result, in the actual use process, the demarcated boundaries are easily affected by external factors and the traces are not clear, such as strong wind. Therefore, we propose a measuring device for land management. Summary of the Invention

[0005] The purpose of the present invention is to provide a measuring device for land management to overcome the above-mentioned defects in the prior art.

[0006] According to a measuring device for land management of the present invention, it includes a roller. A holding mechanism and a powder discharging mechanism are provided at the front end of the roller. An anti-slip mechanism is provided in the middle part of the roller. A cavity is provided in the middle part of the roller. The anti-slip mechanism includes a guide sliding box fixed in the cavity. A sliding rod is slidably connected in the guide sliding box. A plugging rod is fixed at the end of the sliding rod away from the roller. When the sliding rod is in a contracted state, the plugging rod is arranged in the cavity. The holding mechanism includes a push rod extending upward. The upper end of the push rod is connected with a processing display end. A handle is fixed at the side end of the processing display end. The powder discharging mechanism includes a fixing frame. The fixing frame is fixedly connected with the push rod. A driven gear is rotatably connected to the fixing frame. A driving gear is fixed at the front end of the roller. The driven gear and the driving gear are of the same size.

[0007] Preferably, the thickness of the driven gear is greater than that of the driving gear. A connecting rod is connected to the driven gear through a rotating rod. The lower end of the connecting rod is connected to a plug plate through a hinge seat. The lower end of the fixed frame is fixedly provided with a fixed box. The plug plate is slidably arranged up and down in the fixed box. The plug plate acts as a piston in the fixed box. A connecting cavity is formed in the lower part of the fixed box. An air inlet is fixedly provided in the lower part of the fixed box. A water tank is arranged at the lower end of the fixed box. A connecting pipe is fixedly connected and communicated between the fixed box and the water tank. A powder box is fixedly provided at the right end of the fixed box. A cover plate is connected to the upper end of the powder box. A powder discharge pipe is fixedly communicated with the lower end of the powder box. The driving gear is rotatably connected to the fixed box through a fixed rod.

[0008] Preferably, an opening cavity is formed in the air inlet. The opening cavity is communicated with the connecting cavity. An air inlet cavity is formed at the lower end of the air inlet. The air inlet cavity can be communicated with the opening cavity. A partition rod is arranged at the upper side part of the air inlet cavity. The partition rod is used for separating the opening cavity from the air inlet cavity. A push spring is connected between the partition rod and the upper side wall of the opening cavity. A connecting plate is fixedly provided at the lower part of the connecting pipe. A thrust spring is connected to the upper end of the connecting plate. The upper end of the thrust spring is connected to a contact ball. The contact ball is in contact with the inner peripheral surface of the connecting pipe. The inner diameter of the upper end of the connecting pipe is smaller than that of the lower end of the connecting pipe. A floating cylinder capable of sliding up and down is arranged on the connecting pipe. A floating cavity is formed in the floating cylinder. An air bag communicated with the connecting pipe is fixedly provided on the upper side wall of the floating cavity. A water cavity is formed in the water tank. Water is contained in both the water cavity and the floating cavity. Two drain ports distributed up and down are formed and communicated in the floating cavity. A slider is slidably connected in the powder discharge pipe. A return spring is connected between the slider and the inner side wall of the powder discharge pipe. A pull rope is connected to the outer periphery of the floating cylinder. The pull rope extends rightward and is connected to the slider in the powder discharge pipe.

[0009] Preferably, an exhaust pipe is communicated with the lower end of the air bag. A downward extending injection port is arranged at the lower end of the powder discharge pipe. The injection port is located above the bottom of the roller. The exhaust pipe extends rightward and is communicated with the injection port at the lower end of the powder discharge pipe. An inclined air guide piece is fixedly provided at the injection port at the lower end of the powder discharge pipe and at the position of the exhaust pipe.

[0010] The beneficial effects of the present invention are:

[0011] Through the setting of the anti-slip mechanism, when the roller is in an area with soft soil layer and high humidity, the tip at the lower end of the insertion rod can be inserted into the soil layer by the weight at the upper end of the insertion rod, so that even when the roller slips, it can also be rotated through the insertion of the insertion rod and the pushing of the user. In an area with hard soil layer, through the sliding fit between the sliding rod fixedly arranged on the insertion rod and the guide sliding box, the insertion rod will not be inserted into the soil layer, thereby reducing the contact between the insertion rod and the hard soil layer and reducing the shaking.

[0012] During the rotation of the roller, through the meshing of the driving gear fixedly connected to the roller and the driven gear, the up-and-down sliding of the plug plate is controlled, and then the outside air can be pumped into the airbag. When the airbag expands, a certain air pressure is maintained inside the airbag, so as to ensure the stable buoyancy of the floating cylinder to float. Subsequently, when the gas input is lost, the air pressure inside the airbag contracts under the external pressure, so that the buoyancy at the floating cylinder decreases. Then, by changing the buoyancy at the floating cylinder, under the connection of the pull rope, the intermittent switching operation of the powder discharge pipe is realized, so that the display powder is discharged downward at the soil layer passed by the roller for the staff to observe.

[0013] The intermittently opened and closed powder discharge pipe can discharge the display powder intermittently downward, so that the powder spreading work can be carried out while reducing the overall consumption of the display powder. At the same time, the contraction of the airbag will transmit the gas to the air guide piece through the exhaust pipe, reducing the air pressure at the lower opening of the powder discharge pipe, thereby increasing the discharge speed of the display powder. The amount of the display powder discharged at the corresponding position increases, and the discharge distance of the display powder remains unchanged, so as to increase the clarity of the discharge of the display powder. Brief Description of the Drawings

[0014] Figure 1 is the external view schematic diagram of the present invention;

[0015] Figure 2 is the present invention Figure 1 of the top view structural schematic diagram;

[0016] Figure 3 is the present invention Figure 1 of the front view structural schematic diagram;

[0017] Figure 4 is the present invention Figure 1 of the side view structural schematic diagram;

[0018] Figure 5 is the present invention Figure 2 of the sectional view along A-A in the present invention;

[0019] Figure 6 is the present invention Figure 2 of the sectional view along B-B in the present invention;

[0020] Figure 7 is the present inventionFigure 1 Enlarged schematic view at position C;

[0021] Figure 8 It is the present invention Figure 7 Enlarged sectional view at the air inlet of the present invention;

[0022] Figure 9 It is the present invention Figure 6 Enlarged schematic view at position D of the present invention;

[0023] Figure 10 It is the present invention Figure 6 Enlarged schematic view at position E of the present invention;

[0024] In the figure:

[0025] 10. Roller; 11. Holding mechanism; 12. Powder discharging mechanism; 13. Anti-slip mechanism; 14. Anti-slip wheel; 15. Cavity; 16. Guide sliding box; 17. Sliding rod; 18. Inserting rod; 19. Push rod; 20. Processing display end; 21. Fixed frame; 22. Driven gear; 23. Driving gear; 24. Connecting rod; 25. Fixed box; 26. Plug plate; 27. Air inlet; 28. Air inlet cavity; 29. Partition rod; 30. Push spring; 31. Opening cavity; 32. Connecting cavity; 33. Connecting pipe; 34. Contact ball; 35. Thrust spring; 36. Airbag; 37. Water tank; 38. Drainage port; 39. Water cavity; 40. Floating cavity; 41. Pulling rope; 42. Powder discharging pipe; 43. Slide block; 44. Return spring; 45. Powder agent box; 46. Cover plate; 47. Exhaust pipe; 48. Air guiding piece; 49. Floating cylinder. Specific embodiments

[0026] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on Figure 1 the orientation or positional relationship shown, and it is only for the convenience of describing the present invention, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0027] Embodiment 1:

[0028] Refer to Figures 1 - 10, A measuring device for land management according to an embodiment of the present invention includes a roller 10. A holding mechanism 11 and a powder discharging mechanism 12 are provided at the front end of the roller 10. The holding mechanism 11 and the powder discharging mechanism 12 are connected to each other. An anti-slip mechanism 13 is provided at the middle part of the roller 10. Two symmetrically arranged anti-slip wheels 14 are sleeved on the outer periphery of the roller 10. A cavity 15 is formed at the middle part of the roller 10. The anti-slip mechanism 13 is arranged at the cavity 15 and is evenly distributed circumferentially around the roller 10. The anti-slip mechanism 13 includes a guide sliding box 16 fixed in the cavity 15. A sliding rod 17 is slidably connected in the guide sliding box 16. A plugging rod 18 is fixed at the end of the sliding rod 17 away from the roller 10. A tip is provided at the outer end of the plugging rod 18. The plugging rod 18 can be inserted into the soil with a relatively small density (such as a soil layer with a large amount of muddy water) through the tip. When the sliding rod 17 is in a contracted state, the plugging rod 18 is arranged in the cavity 15. The holding mechanism 11 includes a push rod 19 extending upward. The upper end of the push rod 19 is connected with a processing and display end 20. A handle is fixed at the side end of the processing and display end 20. The powder discharging mechanism 12 includes a fixing frame 21. The fixing frame 21 is fixedly connected with the push rod 19. A driven gear 22 is rotatably connected to the fixing frame 21. A driving gear 23 is fixed at the front end of the roller 10. The driven gear 22 and the driving gear 23 are of the same size. An angle sensor is provided between the fixing frame 21 and the driven gear 22. The housing of the angle sensor is fixedly connected with the fixing frame 21. The thickness of the driven gear 22 is greater than that of the driving gear 23. A connecting rod 24 is connected to the driven gear 22 through a rotating rod. The lower end of the connecting rod 24 is connected with a plugging plate 26 through a hinge seat. A fixing box 25 is fixed at the lower end of the fixing frame 21. The plugging plate 26 is slidably arranged up and down in the fixing box 25. The plugging plate 26 acts as a piston in the fixing box 25. A connecting cavity 32 is formed at the lower part of the fixing box 25. An air inlet 27 is fixed at the lower part of the fixing box 25. A water tank 37 is provided at the lower end of the fixing box 25. A connecting pipe 33 is fixedly connected and communicated between the fixing box 25 and the water tank 37. A powder box 45 is fixed at the right end of the fixing box 25. A cover plate 46 is connected to the upper end of the powder box 45. A powder discharging pipe 42 is fixedly connected and communicated at the lower end of the powder box 45. The driving gear 23 is rotatably connected to the fixing box 25 through a fixing rod.

[0029] The user holds the handle on the processing and display end 20, thereby pushing the roller 10 to move on a part of the miscellaneous soil layer. The roller 10 increases the friction with the soil layer through the anti-slip wheels 14. By the rolling of the roller 10 on the soil layer, under the connection of the angle sensor, the number of rotation circles of the driving gear 23 (and the driven gear 22) can be obtained through the angle sensor. Thus, the distance of the soil layer that has been moved can be obtained by matching the number of circles with the circle length of the anti-slip wheels 14. Furthermore, the data can be transmitted to the processing and display end 20 through the wireless transmission module provided at the angle sensor and displayed on the display screen of the processing and display end 20.

[0030] Through the fixed connection between the driving gear 23 and the fixed box 25, when the holding mechanism 11 is partially tilted, the fixed box 25 will be tilted synchronously. Thus, under the rotational connection between the fixed box 25 and the driving gear 23, the driving gear 23 is driven to rotate synchronously, making the driven gear 22 and the driving gear 23 relatively stationary, without affecting the detection of the angle sensor;

[0031] During the detection process, the soil layer under the roller 10 may have a relatively high water content, and thus slipping may occur at the roller 10. The anti-slip mechanism 13 can prevent the occurrence of the slipping phenomenon. During the rotation of the roller 10, the guide box 16 fixed on the roller 10 rotates synchronously, so that the guide box 16 can rotate from the upper position to the lower position. Then, under the influence of the self-weight of the insertion rod 18, the sliding rod 17 further slides downward in the guide box 16, so that the tip of the insertion rod 18 protrudes from the positions of the roller 10 and the anti-slip wheel 14. When the soil layer has a relatively high density and hardness, the tip of the insertion rod 18 receives the supporting force from the soil layer, and thus moves upward against the self-weight. When the water content in the soil layer is relatively high, the tip of the insertion rod 18 can be inserted into the soil layer, so that the roller 10 can continue to be driven to rotate.

[0032] Embodiment 2:

[0033] Referring to Embodiment 1, a measuring device for land management according to an embodiment of the present invention. Optionally, an opening cavity 31 is formed in the air inlet 27. The opening cavity 31 is communicated with a connecting cavity 32. The lower end of the air inlet 27 is provided with an air inlet cavity 28, and the air inlet cavity 28 can be communicated with the opening cavity 31. A partition rod 29 is provided on the upper side part of the air inlet cavity 28. The partition rod 29 is used to separate the opening cavity 31 from the air inlet cavity 28. A push spring 30 is connected between the partition rod 29 and the upper side wall of the opening cavity 31. The lower end part of the connecting pipe 33 is fixedly provided with a connecting plate. The upper end of the connecting plate is connected with a thrust spring 35. The upper end of the thrust spring 35 is connected with a contact ball 34. The contact ball 34 abuts against the inner peripheral surface of the connecting pipe 33. The inner diameter of the upper end of the connecting pipe 33 is smaller than the inner diameter of the lower end of the connecting pipe 33. A floating cylinder 49 that can slide up and down is provided on the connecting pipe 33. A floating cavity 40 is formed in the floating cylinder 49. An air bag 36 communicated with the connecting pipe 33 is fixedly provided on the upper side wall of the floating cavity 40. A water cavity 39 is formed in the water tank 37. Water is contained in both the water cavity 39 and the floating cavity 40. Two drainage ports 38 distributed up and down are communicated with the floating cavity 40. A slider 43 is slidably connected in the powder discharge pipe 42. A return spring 44 is connected between the slider 43 and the inner side wall of the powder discharge pipe 42. A pull rope 41 is connected to the outer periphery of the floating cylinder 49. The pull rope 41 extends rightward and is connected to the slider 43 in the powder discharge pipe 42.

[0034] Through the fixed connection between the roller 10 and the driving gear 23, when the roller 10 rotates, it drives the driving gear 23 to rotate synchronously. Then, under the meshing of the driving gear 23 and the driven gear 22, the driven gear 22 rotating on the fixed frame 21 is rotated, and then it is detected by an angle sensor (not shown in the figure) at the driven gear 22. At the same time, during the rotation of the driven gear 22, it will drive the connecting rod 24 rotatably arranged on the driven gear 22 to move, so that the connecting rod 24 pulls the plug plate 26 to move up and down in the fixed box 25 through the hinge seat. When the plug plate 26 moves upward, the air pressure below the plug plate 26 decreases, and the outside air is drawn into the lower part of the plug plate 26 through the air inlet 27 to balance the air pressure;

[0035] For example, specifically, through the communication between the connection cavity 32 opened on the fixed box 25 and the open cavity 31, the air pressure at the open cavity 31 decreases synchronously. The air pressure at the air inlet cavity 28 is the outside air pressure, so it is relatively larger than the air pressure at the open cavity 31. Then, under the pressure difference, the air pushes the partition rod 29 to move upward, so that the partition rod 29 cancels the partition of the air inlet cavity 28. The gas enters the lower part of the plug plate 26 through the communicated air inlet cavity 28, open cavity 31 and connection cavity 32. On the contrary, when the internal and external air pressures are balanced, the partition rod 29 will abut against the air inlet cavity 28 again under the elastic force of the push spring 30 to realize the partition function;

[0036] During the downward movement of the plug plate 26, it pushes the gas below into the air inlet 27 and the connecting pipe 33. The gas is blocked by the partition rod 29 at the air inlet 27 and cannot move downward;

[0037] The gas at the connecting pipe 33 will push the abutting ball 34 to move downward against the spring force of the thrust spring 35, so as to discharge the air through the gap of the inner diameter difference at the upper and lower ends of the connecting pipe 33, and the air rushes into the airbag 36. The airbag 36 is continuously filled with gas, so that the whole airbag 36 expands. Then, the airbag 36 squeezes the water body in the floating cavity 40, and the water is discharged outward through the drain port 38 into the water cavity 39. At the same time, the airbag 36 expands and discharges the water body under the air delivery of the connecting pipe 33, so that the floating cylinder 49 is filled with air, resulting in the floating cylinder 49 floating in the water cavity 39. Through the arrangement of the pull rope 41, the pull rope 41 pulls the slider 43 to move leftward against the spring force of the return spring 44, so that the upper and lower openings of the powder discharge pipe 42 are communicated, and the display powder (such as fluorescent powder and lime powder, etc., which are more obvious in the day or night) in the powder box 45 is discharged downward through the powder discharge pipe 42.

[0038] Embodiment 3:

[0039] Refer to Figure 6 、 9A measuring device for land management according to an embodiment of the present invention, optionally, an exhaust pipe 47 is communicated with the lower end of the airbag 36, and a downward extending injection port is provided at the lower end of the powder discharge pipe 42. The injection port is located above the bottom of the roller 10. The exhaust pipe 47 extends to the right and is communicated with the injection port at the lower end of the powder discharge pipe 42. An inclined air guide piece 48 is fixedly provided at the injection port at the lower end of the powder discharge pipe 42 and at the position of the exhaust pipe 47.

[0040] Through the communication between the airbag 36 and the exhaust pipe 47, when the plug plate 26 moves upward, the connecting pipe 33 abuts against the connecting pipe 33 again for separation. The airbag 36 loses the inflow of air. Under the action of the external pressure, water re-enters the float 49 through the lower drain port 38, so that the airbag 36 contracts. The gas in the airbag 36 is discharged into the powder discharge pipe 42 through the communication of the exhaust pipe 47 and is blown downward through the guiding of the air guide piece 48. As a result, the air flow velocity below the powder discharge pipe 42 is relatively fast, and the air pressure below the powder discharge pipe 42 is relatively low, thereby accelerating the downward discharge of the display powder. Through the setting of the display powder, the position of the soil layer after the detection can be clearly observed.

[0041] In the description of this specification, the description with reference to terms such as "an embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in connection 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 can be combined in a suitable manner in any one or more embodiments or examples.

[0042] The above content is only an example and explanation of the structure of the present invention. Those skilled in the art of this technology make various modifications or supplements to the described specific embodiments or use similar ways to replace them. As long as they do not deviate from the structure of the invention or exceed the scope defined by this claim book, they should all belong to the protection scope of the present invention.

Claims

1. A measuring device for land management, comprising a roller (10), a gripping mechanism (11), a powder discharge mechanism (12), and an anti-slip mechanism (13), characterized in that: The anti-slip mechanism (13) comprises a slide guide box (16) fixedly mounted on the roller (10), a slide rod (17) is connected to the slide guide box (16), and a plug-in rod (18) is fixedly mounted on the slide rod (17); The powder discharge mechanism (12) comprises a fixed frame (21), a driven gear (22), a driving gear (23), a connecting rod (24), a plug plate (26) and a fixed box (25); the plug plate (26) and the fixed box (25) are slidably matched; a connecting cavity (32) is separately provided at the lower end of the fixed box (25); an air inlet (27) is fixedly provided at the lower end of the fixed box (25); a water tank (37) is provided at the lower end of the fixed box (25); a connecting pipe (33) is provided between the fixed box (25) and the water tank (37); a powder box (45) is fixedly provided at the right end of the fixed box (25); and a powder discharge pipe (42) is fixedly provided at the lower end of the powder box (45).

2. A surveying device for land management according to claim 1, characterized in that: The powder discharge mechanism (12) also includes an open cavity (31) provided in the air inlet (27), the open cavity (31) being connected to the connecting cavity (32), an air inlet cavity (28) being provided at the lower end of the air inlet (27), the air inlet cavity (28) being able to be connected to the open cavity (31), a partition rod (29) being provided at the upper side of the air inlet cavity (28), the partition rod (29) being used to separate the open cavity (31) from the air inlet cavity (28), and a push spring (30) being connected between the partition rod (29) and the upper side wall of the open cavity (31).

3. A surveying device for land management according to claim 1, characterized in that: The powder discharge mechanism (12) also includes a connecting plate fixedly mounted on the lower end of the connecting tube (33), the upper end of the connecting plate is connected to a thrust spring (35), the upper end of the thrust spring (35) is connected to a contact ball (34), the contact ball (34) contacts the inner circumferential surface of the connecting tube (33), the inner diameter of the upper end of the connecting tube (33) is smaller than the inner diameter of the lower end of the connecting tube (33), the connecting tube (33) is provided with a float (49) that can slide up and down, the float (49) is provided with a float cavity (40), and an air bag (36) connected to the connecting tube (33) is fixedly mounted on the upper side wall of the float cavity (40).

4. A surveying device for land management according to claim 1, characterized in that: The powder discharge mechanism (12) further comprises an exhaust pipe (47) connected to the lower end of the air bag (36); the lower end of the powder discharge pipe (42) is provided with a spray port extending downward, the spray port is located above the bottom of the roller (10); the exhaust pipe (47) extends rightward and is connected to the spray port at the lower end of the powder discharge pipe (42); an inclined air guide sheet (48) is fixedly provided at the spray port at the lower end of the powder discharge pipe (42) and at the exhaust pipe (47).

5. A surveying device for land management according to claim 3, characterized in that: The powder discharge mechanism (12) also includes a slider (43) slidably connected to the powder discharge pipe (42), a return spring (44) is connected between the slider (43) and the inner wall of the powder discharge pipe (42), a pull rope (41) is connected to the outer periphery of the float (49), and the pull rope (41) extends to the right and is connected to the slider (43) in the powder discharge pipe (42).

6. A surveying device for land management according to claim 3, characterized in that: A water chamber (39) is provided in the water tank (37), and water is contained in both the water chamber (39) and the float chamber (40). The float chamber (40) is connected to and provided with two drainage ports (38) distributed in upper and lower directions.

7. A surveying device for land management according to claim 1, characterized in that: The sliding rod (17) is in a retracted state, and the plug-in rod (18) is arranged in the cavity (15).

8. A surveying device for land management according to claim 1, characterized in that: The holding mechanism (11) comprises a push rod (19) extending upward, the upper end of the push rod (19) is connected to a processing and display end (20), a handle is fixedly provided at the side end of the processing and display end (20), and the fixing frame (21) is fixedly connected to the push rod (19).

9. A surveying device for land management according to claim 1, characterized in that: The thickness of the driven gear (22) is greater than the thickness of the driving gear (23).

10. A surveying device for land management according to claim 1, characterized in that: The driving gear (23) is rotationally connected to the fixed box (25) via a fixed rod.

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