A garden design landscape fixed-point marking device and marking method

Abstract

The application provides a garden design landscape fixed-point marking device and a marking method, and relates to the technical field of fixed-point marking devices.The device comprises a turning assembly, the turning assembly comprises a bottom frame, a first through hole, a rotating shaft, a steering wheel, a front steering rod, a first connecting column, a connecting rod, a second connecting column, a second through hole and a steering shaft, and a first through hole is arranged in the center of the front part of the upper surface of the bottom frame.The operator stands on the pedal of the fixed-point marking device, turns the steering wheel to control the steering wheel to move along the path on the measured ground, and drives the spiral pushing plate to rotate through the servo motor, so that the lime is output and scattered, the guide rod on the front steering rod is pushed to swing the discharge cylinder, the discharge port on the discharge cylinder always follows the moving path of the steering wheel to scatter the lime, and the accuracy of the fixed-point marking is ensured, the manual pushing and shoveling of the lime in the trolley and the scattering of the lime on the marking point are not needed, time and labor are saved, and the marking efficiency is improved.

Description

Technical Field

[0001] This invention relates to the field of fixed-point marking devices, and in particular to a fixed-point marking device and marking method for garden design landscapes. Background Technology

[0002] Landscape design is a discipline that studies how to apply artistic and technical means to handle the complex relationship between nature, architecture and human activities, so as to achieve a harmonious, perfect, ecologically sound and picturesque state. Its scope of work includes courtyards, residential gardens, small parks, gardens, parks, as well as urban blocks, government offices, factories, mines, campuses, hotels and restaurants, etc. Landscape design site marking is to measure the location of seedlings and the spacing between rows and plants, the location and shape of landscape lakes and sidewalks on the site according to the design plan on the landscape drawings, and mark the site with accurate construction lines to achieve the requirements of landscape design.

[0003] In current landscape architecture design, it is necessary to plan various viewpoints in the scenic area. After laying out the lines on the planned and measured ground, they are marked by sprinkling lime. However, the current method of sprinkling lime for marking is usually done manually by shoveling lime out of the inside of a cart and sprinkling it on the marked points. This is time-consuming, labor-intensive, and inefficient. Therefore, a landscape design fixed-point marking device and marking method are proposed. Summary of the Invention

[0004] In view of this, the present invention aims to provide a landscape design fixed-point marking device and marking method to solve or alleviate the technical problems existing in the prior art, and at least provide a beneficial option.

[0005] The technical solution of this invention is implemented as follows: a landscape design fixed-point marking device includes a turning component, wherein the turning component includes a base frame, a first through hole, a rotating shaft, a steering wheel, a front steering rod, a first connecting column, a connecting rod, a second connecting column, a second through hole, a steering shaft, a rear steering rod, and a steering wheel;

[0006] A first through hole is provided at the center of the front part of the upper surface of the bottom frame. A rotating shaft is rotatably connected to the inner sidewall of the first through hole. A steering wheel is installed at the bottom of the rotating shaft. A front steering rod is fixedly connected to the upper part of the outer sidewall of the rotating shaft. A first connecting post is fixedly connected to both sides of the upper surface of the front steering rod. A connecting rod is rotatably connected to the outer sidewall of the two first connecting posts. A second connecting post passes through the rear part of the upper surface of the two connecting rods. A second through hole is provided at the center of the rear part of the upper surface of the bottom frame. A steering shaft is rotatably connected to the inner sidewall of the second through hole. A rear steering rod is fixedly connected to the lower part of the outer sidewall of the steering shaft. The bottoms of the two second connecting posts are fixedly connected to both sides of the upper surface of the rear steering rod. A steering wheel is fixedly connected to the top of the outer sidewall of the steering shaft.

[0007] More preferably, a support column is fixedly connected to the middle of both sides of the upper surface of the bottom frame. An installation ring is fixedly connected to the upper part of the adjacent side of the two support columns. A storage cylinder is fixedly connected to the inner side wall of the installation ring. A connecting cylinder is fixedly connected to the bottom of the storage cylinder. A discharge cylinder is rotatably connected to the inner side wall of the connecting cylinder. A discharge cylinder is connected to the bottom of the discharge cylinder. A guide column is fixedly connected to the upper part of the outer side wall of the discharge cylinder near the discharge port. A guide rod is fixedly connected to the middle of the rear surface of the front steering rod. A guide groove is opened on the rear part of the upper surface of the guide rod. The outer side wall of the guide column is slidably connected to the inner side wall of the guide groove.

[0008] More preferably, mounting blocks are fixedly connected to both sides of the rear portion of the lower surface of the bottom frame, an output shaft passes through one side of each of the two mounting blocks, a wheel is fixedly connected to the outermost ends of the two output shafts, a motor retaining ring is fixedly connected to the middle of the inner rear wall of the bottom frame, a bidirectional synchronous output motor is fixedly connected to the inner side wall of the motor retaining ring, and the close ends of the two output shafts are fixedly connected to the two output ends of the bidirectional synchronous output motor.

[0009] More preferably, the outer side wall of the rotating shaft is fixedly connected to the upper and lower parts near the bottom frame with first limiting rings, and the two adjacent sides of the first limiting rings are slidably connected to the upper and lower surfaces of the bottom frame near the outer side of the rotating shaft.

[0010] More preferably, the outer side wall of the steering shaft is fixedly connected to the upper and lower parts near the bottom frame with second limiting rings, and the adjacent sides of the two second limiting rings are slidably connected to the upper and lower surfaces of the bottom frame near the outer side of the steering shaft.

[0011] More preferably, a servo motor is fixedly connected to the rear surface of the discharge cylinder, a central shaft is fixedly connected to the output end of the servo motor, the front surface of the central shaft passes through the center of the rear surface of the discharge cylinder, a spiral pusher plate is fixedly connected to the outer side wall of the central shaft, and the outer side wall of the spiral pusher plate is slidably connected to the inner side wall of the discharge cylinder.

[0012] More preferably, a rotating ring is fixedly connected to the upper part of the outer side wall of the feeding cylinder, and an annular groove is opened in the middle of the inner side wall of the connecting cylinder, and the outer side wall of the rotating ring is rotatably connected to the inner side wall of the annular groove.

[0013] More preferably, a foot pedal is fixedly connected to the middle of the rear surface of the bottom frame.

[0014] More preferably, a guide beacon is fixedly connected to the center of the front surface of the front steering rod.

[0015] A marking method for a landscape design fixed-point marking device includes the following steps:

[0016] Step 1: First, pour the quicklime into the inside of the storage cylinder through the feed inlet at the top of the storage cylinder;

[0017] Step 2: The operator stands on the pedal on the base frame and starts the bidirectional synchronous output motor in the motor fixing ring fixed inside the base frame. This drives the two output shafts fixedly connected to their two output ends to rotate, thereby causing the wheels fixedly connected to the outer ends of the output shafts to rotate, and thus moving the fixed-point marking device.

[0018] Step 3: The operator turns the steering wheel to rotate the steering wheel and thus controls the movement of the fixed-point marking device. By turning the steering wheel, the operator aligns the guide mark on the front steering rod with the planned and measured line on the ground, so that the front wheels travel along the planned and measured line on the ground.

[0019] Step 4: Start the servo motor fixedly connected to the rear surface of the discharge cylinder, drive the central shaft fixedly connected to its output end and passing through the rear surface of the discharge cylinder to rotate, thereby driving the spiral pusher plate fixedly connected to the outer wall of the central shaft to rotate inside the discharge cylinder, and the white lime in the discharge cylinder is pushed out to be sprinkled and marked.

[0020] Step 5: When marking curves, turning the steering wheel causes the front steering lever to rotate. This not only rotates the steering wheel, but also causes the guide rod on the front steering lever to swing the discharge cylinder, ensuring that the discharge port of the discharge cylinder always follows the path of the steering wheel to spray lime, thus guaranteeing the accuracy of the marking.

[0021] The embodiments of the present invention have the following advantages due to the adoption of the above technical solutions:

[0022] This invention allows operators to control the steering wheels by standing on a pedal on the fixed-point marking device and turning the steering wheel. The steering wheels move along a pre-planned and measured path on the ground. A servo motor drives a spiral pusher plate to rotate, thus distributing lime. Simultaneously, a guide rod on the front steering rod causes the discharge cylinder to swing, ensuring that the discharge port on the discharge cylinder always follows the movement path of the steering wheel to distribute lime. This guarantees the accuracy of the fixed-point marking, eliminates the need for manual pushing of the cart and manually shoveling lime out of the cart before distributing it to the marked points, saving time and effort and improving marking efficiency.

[0023] The above overview is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the invention will become readily apparent from the accompanying drawings and the following detailed description. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 This is a structural diagram of the present invention from one perspective;

[0026] Figure 2 This is a structural diagram from another perspective of the present invention;

[0027] Figure 3 This is a structural diagram of the bidirectional synchronous output motor and wheel of the present invention;

[0028] Figure 4 This is a structural diagram of the steering wheel and steering wheel of the present invention;

[0029] Figure 5 This is a structural diagram of the guide rod and guide post of the present invention;

[0030] Figure 6 This is a structural diagram of the servo motor and discharge cylinder of the present invention.

[0031] Reference numerals: 1. Turning assembly; 11. Base frame; 12. First through hole; 13. Rotating shaft; 14. Steering wheel; 15. Front steering rod; 16. First connecting column; 17. Connecting rod; 18. Second connecting column; 19. Second through hole; 20. Steering shaft; 21. Rear steering rod; 22. Steering wheel; 23. Support column; 24. Mounting ring; 25. Storage cylinder; 26. Connecting cylinder; 27. Feeding cylinder; 28. Discharge cylinder; 29. ​​Guide column; 30. Guide rod; 31. Guide groove; 32. Mounting block; 33. Output shaft; 34. Wheel; 35. Motor fixing ring; 36. Bidirectional synchronous output motor; 37. First limiting ring; 38. Second limiting ring; 39. Servo motor; 40. Central shaft; 41. Spiral pusher plate; 42. Rotating ring; 43. Annular groove; 44. Pedal; 45. Guide mark. Detailed Implementation

[0032] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of the invention. Therefore, the drawings and description are considered to be exemplary in nature and not restrictive.

[0033] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0034] like Figure 1-6As shown, this embodiment of the invention provides a landscape design fixed-point marking device, including a turning component 1. The turning component 1 includes a base frame 11, a first through hole 12, a rotating shaft 13, a steering wheel 14, a front steering rod 15, a first connecting column 16, a connecting rod 17, a second connecting column 18, a second through hole 19, a steering shaft 20, a rear steering rod 21, and a steering wheel 22.

[0035] A first through hole 12 is provided at the center of the front part of the upper surface of the bottom frame 11. A rotating shaft 13 is rotatably connected to the inner wall of the first through hole 12. A steering wheel 14 is installed at the bottom of the rotating shaft 13. A front steering rod 15 is fixedly connected to the upper part of the outer wall of the rotating shaft 13. A first connecting post 16 is fixedly connected to both sides of the upper surface of the front steering rod 15. A connecting rod 17 is rotatably connected to the outer wall of the two first connecting posts 16. A second connecting post 18 passes through the rear part of the upper surface of the two connecting posts 17. A second through hole 19 is provided at the center of the rear part of the upper surface of the bottom frame 11. A steering shaft 20 is rotatably connected to the inner wall of the second through hole 19. A rear steering rod 21 is fixedly connected to the lower part of the outer wall of the steering shaft 20. The bottom of the two second connecting posts 18 is fixedly connected to both sides of the upper surface of the rear steering rod 21. A steering wheel 22 is fixedly connected to the top of the outer wall of the steering shaft 20.

[0036] In one embodiment, specifically: support columns 23 are fixedly connected to the middle of both sides of the upper surface of the bottom frame 11. An mounting ring 24 is fixedly connected to the upper part of the side of the two support columns 23 that are close to each other. A storage cylinder 25 is fixedly connected to the inner wall of the mounting ring 24. A connecting cylinder 26 is fixedly connected to the bottom of the storage cylinder 25. A discharge cylinder 27 is rotatably connected to the inner wall of the connecting cylinder 26. A discharge cylinder 28 is connected to the bottom of the discharge cylinder 27. A guide column 29 is fixedly connected to the upper part of the outer wall of the discharge cylinder 28 near the discharge port. A guide rod 30 is fixedly connected to the middle of the rear surface of the front steering rod 15. A guide groove 31 is opened on the rear part of the upper surface of the guide rod 30. The outer wall of the guide column 29 is slidably connected to the inner wall of the guide groove 31. By sliding the guide column 29 on the discharge cylinder 28 inside the guide groove 31, the guide column 29 is limited, thereby limiting the discharge cylinder 28.

[0037] In one embodiment, specifically: mounting blocks 32 are fixedly connected to both sides of the rear portion of the lower surface of the bottom frame 11, and an output shaft 33 passes through one side of each of the two mounting blocks 32. Wheels 34 are fixedly connected to the outermost ends of the two output shafts 33. A motor retaining ring 35 is fixedly connected to the middle of the inner rear wall of the bottom frame 11. A bidirectional synchronous output motor 36 is fixedly connected to the inner side wall of the motor retaining ring 35. The two output shafts 33 are fixedly connected to the two output ends of the bidirectional synchronous output motor 36. The bidirectional synchronous output motor 36 drives the two output shafts 33 to rotate simultaneously, thereby driving the wheels 34 to rotate, which facilitates the movement of the fixed-point marking device.

[0038] In one embodiment, specifically: the outer side wall of the rotating shaft 13 is fixedly connected to the upper and lower parts of the bottom frame 11. The adjacent sides of the two first limiting rings 37 are slidably connected to the upper and lower surfaces of the bottom frame 11 near the outer side of the rotating shaft 13. The two first limiting rings 37 on the rotating shaft 13 are positioned between the bottom frame 11, thereby limiting the rotating shaft 13 and preventing the rotating shaft 13 from shaking up and down.

[0039] In one embodiment, specifically: the outer side wall of the steering shaft 20 is fixedly connected to the upper and lower parts of the bottom frame 11, and the adjacent sides of the two second limiting rings 38 are slidably connected to the upper and lower surfaces of the bottom frame 11 near the outer side of the steering shaft 20. The two second limiting rings 38 are set between the bottom frame 11 on the steering shaft 20, thereby limiting the steering shaft 20 and preventing the steering shaft 20 from shaking up and down.

[0040] In one embodiment, specifically: a servo motor 39 is fixedly connected to the rear surface of the discharge cylinder 28, and a central shaft 40 is fixedly connected to the output end of the servo motor 39. The front surface of the central shaft 40 passes through the center of the rear surface of the discharge cylinder 28. A spiral pusher plate 41 is fixedly connected to the outer wall of the central shaft 40, and the outer wall of the spiral pusher plate 41 is slidably connected to the inner wall of the discharge cylinder 28. The central shaft 40 is driven to rotate by the servo motor 39, thereby driving the spiral pusher plate 41 to rotate inside the discharge cylinder 28, which facilitates the output of quicklime.

[0041] In one embodiment, specifically: a rotating ring 42 is fixedly connected to the upper part of the outer side wall of the feeding cylinder 27, and an annular groove 43 is opened in the middle of the inner side wall of the connecting cylinder 26. The outer side wall of the rotating ring 42 is rotatably connected to the inner side wall of the annular groove 43. By rotating the rotating ring 42 on the feeding cylinder 27 in the annular groove 43 on the connecting cylinder 26, the feeding cylinder 27 is limited to prevent it from falling out of the interior of the connecting cylinder 26.

[0042] In one embodiment, specifically: a pedal 44 is fixedly connected to the middle of the rear surface of the bottom frame 11. The pedal 44 allows the operator to stand on it and move with the fixed-point marking device without having to walk, thus saving physical strength.

[0043] In one embodiment, specifically: a guide mark 45 is fixedly connected to the center of the front surface of the front steering rod 15. The guide mark 45 on the front steering rod 15 facilitates alignment with the path to be marked, thereby facilitating the control of the steering wheel 14 to move along the path to be marked.

[0044] A marking method for a landscape design fixed-point marking device includes the following steps:

[0045] Step 1: First, pour the quicklime into the inside of the storage cylinder 25 through the feed port at the top of the storage cylinder 25;

[0046] Step 2: The operator stands on the pedal 44 on the base frame 11 and starts the bidirectional synchronous output motor 36 in the motor fixing ring 35 fixedly connected inside the base frame 11. This drives the two output shafts 33 fixedly connected to their two output ends to rotate, thereby driving the wheels 34 fixedly connected to the outer ends of the output shafts 33 to rotate, and thus driving the fixed-point marking device to move.

[0047] Step 3: The operator turns the steering wheel 22 to drive the steering wheel 14 to turn, thereby controlling the movement route of the fixed point marking device. By turning the steering wheel 22, the guide mark 45 on the front steering rod 15 is aligned with the planned and measured line on the ground, so that the front wheels travel along the planned and measured line on the ground.

[0048] Step 4: Start the servo motor 39 fixedly connected to the rear surface of the discharge cylinder 28, drive the central shaft 40 fixedly connected to its output end and passing through the rear surface of the discharge cylinder 28 to rotate, thereby driving the spiral pusher plate 41 fixedly connected to the outer wall of the central shaft 40 to rotate inside the discharge cylinder 28, and the lime in the discharge cylinder 28 is pushed out to be sprinkled and marked.

[0049] Step 5: When marking curves, turning the steering wheel 22 causes the front steering lever 15 to rotate. This not only causes the steering wheel 14 to rotate, but also causes the guide rod 30 on the front steering lever 15 to swing the discharge cylinder 28. This ensures that the discharge port of the discharge cylinder 28 always follows the path of the steering wheel 14 to spray lime, thus guaranteeing the accuracy of the marking.

[0050] In operation, the present invention works as follows: First, quicklime is poured into the storage cylinder 25 through the feed inlet at the top of the storage cylinder 25. The operator stands on the pedal 44 and starts the bidirectional synchronous output motor 36 to drive the two output shafts 33 to rotate, thereby driving the wheels 34 to rotate, which in turn drives the fixed-point marking device to move. By rotating the steering wheel 22, the steering shaft 20 is driven to rotate, which in turn drives the rear steering rod 21 to rotate. This, in turn, pulls the front steering rod 15 to rotate through the connecting rod 17. The rotation of the front steering rod 15 drives the rotating shaft 13 to rotate, thereby facilitating the rotation of the steering wheel 14 to turn. The steering wheel 22 aligns the guide mark 45 on the front steering lever 15 with the path to be marked, thereby causing the steering wheel 14 to move along the path to be marked. At the same time, the servo motor 39 drives the central shaft 40 to rotate, thereby causing the spiral pusher plate 41 to rotate inside the discharge cylinder 28, and then spraying lime onto the path of the steering wheel 14. By rotating the front steering lever 15, the guide rod 30 on the front steering lever 15 causes the discharge cylinder 28 to swing, so that the discharge port of the discharge cylinder 28 always follows the movement path of the steering wheel 14 to spray lime, thereby ensuring the accuracy of the marking.

[0051] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various variations or substitutions within the technical scope disclosed in the present invention, and these should all be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A landscape design point marking device, characterized in that: The system includes a turning assembly (1), which includes a base frame (11), a first through hole (12), a pivot (13), a steering wheel (14), a front steering rod (15), a first connecting column (16), a connecting rod (17), a second connecting column (18), a second through hole (19), a steering shaft (20), a rear steering rod (21), and a steering wheel (22). A first through hole (12) is provided at the center of the front part of the upper surface of the bottom frame (11). A rotating shaft (13) is rotatably connected to the inner side wall of the first through hole (12). A steering wheel (14) is installed at the bottom of the rotating shaft (13). A front steering rod (15) is fixedly connected to the upper part of the outer side wall of the rotating shaft (13). A first connecting post (16) is fixedly connected to both sides of the upper surface of the front steering rod (15). A connecting rod (17) is rotatably connected to the outer side wall of each of the two first connecting posts (16). The upper surface of the bottom frame (11) is perforated by a second connecting post (18) at the rear. A second through hole (19) is provided at the center of the rear of the upper surface of the bottom frame (11). A steering shaft (20) is rotatably connected to the inner wall of the second through hole (19). A rear steering rod (21) is fixedly connected to the lower part of the outer wall of the steering shaft (20). The bottoms of the two second connecting posts (18) are fixedly connected to the two sides of the upper surface of the rear steering rod (21). A steering wheel (22) is fixedly connected to the top of the outer wall of the steering shaft (20). Support columns (23) are fixedly connected to the middle of both sides of the upper surface. An installation ring (24) is fixedly connected to the upper part of the two adjacent sides of the support columns (23). A storage cylinder (25) is fixedly connected to the inner wall of the installation ring (24). A connecting cylinder (26) is fixedly connected to the bottom of the storage cylinder (25). A discharge cylinder (27) is rotatably connected to the inner wall of the connecting cylinder (26). The bottom of the discharge cylinder (27) is connected to a discharge cylinder (28). The upper part of the outer wall of the discharge cylinder (28) near the discharge port is fixedly connected to the discharge cylinder. A guide post (29) is fixedly connected to the front steering rod (15). A guide rod (30) is fixedly connected to the middle of the rear surface of the front steering rod (15). A guide groove (31) is opened on the rear of the upper surface of the guide rod (30). The outer side wall of the guide post (29) is slidably connected to the inner side wall of the guide groove (31). A rotating ring (42) is fixedly connected to the upper part of the outer side wall of the feed cylinder (27). An annular groove (43) is opened in the middle of the inner side wall of the connecting cylinder (26). The outer side wall of the rotating ring (42) is rotatably connected to the inner side wall of the annular groove (43).

2. The landscape design fixed-point marking device according to claim 1, characterized in that: Mounting blocks (32) are fixedly connected to both sides of the lower rear surface of the bottom frame (11). An output shaft (33) passes through one side of each of the two mounting blocks (32). A wheel (34) is fixedly connected to the outer sidewall of each of the two output shafts (33) at opposite ends. A motor fixing ring (35) is fixedly connected to the middle of the inner rear wall of the bottom frame (11). A bidirectional synchronous output motor (36) is fixedly connected to the inner sidewall of the motor fixing ring (35). The two output shafts (33) at adjacent ends are fixedly connected to the two output ends of the bidirectional synchronous output motor (36).

3. A landscape design point marking device according to claim 1, characterized in that: The outer side wall of the rotating shaft (13) is fixedly connected to the upper and lower parts of the bottom frame (11) with a first limiting ring (37). The two adjacent sides of the first limiting ring (37) are slidably connected to the outer side of the upper and lower surfaces of the bottom frame (11) near the rotating shaft (13).

4. A landscape design fixed-point marking device according to claim 1, characterized in that: The outer side wall of the steering shaft (20) is fixedly connected to the upper and lower parts of the bottom frame (11) with a second limiting ring (38). The two adjacent sides of the second limiting ring (38) are slidably connected to the upper and lower surfaces of the bottom frame (11) near the outer side of the steering shaft (20).

5. A landscape design fixed-point marking device according to claim 1, characterized in that: A servo motor (39) is fixedly connected to the rear surface of the discharge cylinder (28). A central shaft (40) is fixedly connected to the output end of the servo motor (39). The front surface of the central shaft (40) passes through the center of the rear surface of the discharge cylinder (28). A spiral pusher plate (41) is fixedly connected to the outer wall of the central shaft (40). The outer wall of the spiral pusher plate (41) is slidably connected to the inner wall of the discharge cylinder (28).

6. A landscape design point marking device according to claim 1, characterized in that: A foot pedal (44) is fixedly connected to the middle of the rear surface of the bottom frame (11).

7. A landscape design point marking device according to claim 1, characterized in that: A guide mark (45) is fixedly connected to the center of the front surface of the front steering rod (15).

8. A marking method for a landscape design fixed-point marking device according to any one of claims 1-7, characterized in that, Includes the following steps: Step 1: First, pour the quicklime into the inside of the storage cylinder (25) through the feed inlet at the top of the storage cylinder (25); Step 2: The operator stands on the pedal (44) on the bottom frame (11) and starts the bidirectional synchronous output motor (36) in the motor fixing ring (35) fixedly connected inside the bottom frame (11), driving the two output shafts (33) fixedly connected to its two output ends to rotate, thereby driving the wheels (34) fixedly connected to the outer end of the output shafts (33) to rotate, and thus driving the fixed point marking device to move. Step 3: The operator turns the steering wheel (22) to drive the steering wheel (14) to turn, thereby controlling the movement route of the fixed point marking device. By turning the steering wheel (22), the guide mark (45) on the front steering rod (15) is aligned with the planned and measured line on the ground, so that the front wheels travel along the planned and measured line on the ground. Step 4: Start the servo motor (39) fixedly connected to the rear surface of the discharge cylinder (28), drive the central shaft (40) fixedly connected to its output end and passing through the rear surface of the discharge cylinder (28) to rotate, thereby driving the spiral pusher plate (41) fixedly connected to the outer wall of the central shaft (40) to rotate inside the discharge cylinder (28), and the lime in the discharge cylinder (28) is pushed out to be sprinkled and marked; Step 5: When marking the curve, turn the steering wheel (22) to turn the front steering rod (15). Not only will the steering wheel (14) rotate, but the guide rod (30) on the front steering rod (15) will also cause the discharge cylinder (28) to swing, so that the discharge port of the discharge cylinder (28) always follows the path of the steering wheel (14) to sprinkle white lime, thereby ensuring the accuracy of the marking.

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