A horizontal marking device for real estate surveying and mapping

Abstract

This invention provides a leveling device for real estate surveying, relating to the field of leveling technology. The device includes a main body comprising an adjustment platform, an angle adjustment mechanism, a locking mechanism, and a calibration component. A first level and a second level are mounted on the surface of the adjustment platform. The bottom of the first level and the surface of the adjustment platform are screwed together as a single unit. An angle adjustment mechanism is mounted on the bottom of the adjustment platform. The surface of the adjustment platform has grooves and slotted holes. This leveling device can simultaneously project two horizontal lines and quickly calculate the height difference between different horizontal lines on the same vertical plane. It offers greater flexibility, simplifies surveying tasks requiring multiple horizontal lines, and improves the stability of horizontal line illumination. It can quickly calibrate and detect the levelness of the horizontal lines projected by the two levels, thus enabling timely detection of deviations in the levels.

Description

Technical Field

[0001] This invention relates to the field of leveling technology, specifically to a device for marking horizontal lines in real estate surveying. Background Technology

[0002] In real estate surveying, horizontal marking devices are one of the core tools to ensure measurement accuracy and work efficiency. Horizontal marking devices generate stable horizontal reference lines (or surfaces) through physical or optical means, providing a reference coordinate system for surveying operations, eliminating errors caused by surface undulations or building structure tilt, and ensuring that data from different measuring points are within the same horizontal system. In mobile surveying, it can correct equipment posture deviations in real time and avoid data distortion caused by equipment tilt. Therefore, it can be used in tasks such as wall verticality detection, floor elevation transfer, land boundary calibration, and settlement deformation analysis.

[0003] Existing laser level marking devices can only adjust the height of the markings based on their bottom support structure, and can only provide a fixed laser level line at a time. To calculate the height difference between two level lines, it is necessary to illuminate different positions multiple times and measure and calculate sequentially. Therefore, they lack flexibility, and the measurement of distant positions will be even more difficult. On the other hand, conventional laser level marking devices achieve the level marking function through a built-in gyroscope. Whether the projected level line has errors needs to be manually checked periodically. The calibration process is time-consuming, labor-intensive, and difficult to operate. Summary of the Invention

[0004] In view of the shortcomings of the existing technology, the purpose of this invention is to provide a horizontal marking device for real estate surveying to solve the problems mentioned in the background art. This invention can project two horizontal lines at the same time and quickly calculate the height difference between different horizontal lines on the same vertical plane. It is more flexible, simplifies the operation of surveying tasks with multiple horizontal line requirements, improves the stability of horizontal line illumination, and can quickly calibrate and detect the levelness of the projected horizontal lines.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a horizontal marking device for real estate surveying, comprising a marking device body, the marking device body including an adjustment platform, an angle adjustment mechanism, a locking mechanism, and a calibration component. A first level and a second level are mounted on the surface of the adjustment platform. The bottom of the first level and the surface of the adjustment platform are screwed together as a whole. An angle adjustment mechanism is mounted on the bottom of the adjustment platform. A groove and a slotted hole are formed on the surface of the adjustment platform. One end of the locking mechanism is embedded in the groove. An extension plate is integrally formed in the adjustment platform area at one end of the slotted hole. A calibration component is inserted into the slotted hole. A transmission sleeve is welded to the top of the angle adjustment mechanism. A column is welded to the top of the transmission sleeve. A distance measuring module is screwed to the top of the column. A lead screw is inserted into the slotted hole.

[0006] Furthermore, the rear end of the second level is integrally formed with a rotating column, the surface of which has a slot, and one end of which is integrally formed with a driven shaft, the surface of which is keyed to a driven gear.

[0007] Furthermore, the angle adjustment mechanism includes a motor and a drive gear. A drive box is welded to the bottom of the control platform. An end plate is provided at one end of the drive box. The outer shell of the motor is screwed to the outside of the end plate. A drive shaft is inserted into the output end of the motor. The drive gear is keyed to the surface of the drive shaft.

[0008] Furthermore, both the drive shaft and the drive gear are embedded inside the drive housing, and the end of the drive shaft is embedded in the inner wall of the drive housing through a bearing. The drive gear and the driven gear mesh with each other, and the drive housing and the transmission sleeve are connected internally.

[0009] Furthermore, the locking mechanism includes a sliding seat and a pushing screw. A protruding plate is welded to the side of the control platform, and a pushing screw is inserted in the middle of the protruding plate. A handwheel is integrally formed at one end of the pushing screw, and the bottom of the sliding seat is embedded in the interior of the sliding groove.

[0010] Furthermore, the other end of the push screw is movably connected to the side of the sliding seat via a bearing. The top of the sliding seat is integrally formed with a support plate, and the surface of the support plate is integrally formed with an arc-shaped piece. Ball bearings are embedded in the surface of the arc-shaped piece.

[0011] Furthermore, the pallet rests against the surface of the rotating column, the arc-shaped piece is embedded in the inside of the slot, the sliding seat moves along the inside of the slot via the pushing screw, and the sliding seat presses against the inner wall of the slot via the arc-shaped piece.

[0012] Furthermore, a lower mounting plate is welded to the bottom side of the control platform, the lead screw passes through the middle of the lower mounting plate, and a knob is integrally formed at one end of the lead screw. The calibration component includes a detection chamber, a light inlet, and a photosensitive module.

[0013] Furthermore, the front end of the detection chamber is provided with a light inlet, and a light shield is welded to the side of the light inlet. A photosensitive module is screwed into the inside of the detection chamber. Both the light inlet and the light shield are triangular in structure.

[0014] Furthermore, the bottom of the detection chamber is integrally formed with a vertical plate, and a threaded sleeve is provided at the bottom of the vertical plate. The lead screw passes through the inside of the threaded sleeve, and the light inlet is used to receive horizontal laser beams emitted from the first level and the second level.

[0015] The beneficial effects of this invention are:

[0016] 1. This horizontal marking device for real estate surveying can project two horizontal lines simultaneously. The first level is fixed in position and always projects a horizontal line, while the second level projects a second horizontal line in a tilted manner through the bottom angle adjustment mechanism. With the middle distance measuring module, the height difference between different horizontal lines on the same vertical plane can be quickly calculated, which is more flexible and simplifies the operation of surveying tasks that require multiple horizontal lines.

[0017] 2. The horizontal marking device for real estate surveying adjusts the angle of the horizontal line projected by the second level instrument through the angle adjustment module. Then, the locking mechanism on the side provides a pushing effect on the second level instrument. This effect ensures that the second level instrument will not be easily disturbed by external forces and will not shake during the subsequent long-term marking process, thus improving the stability of the horizontal line illumination.

[0018] 3. The horizontal marking device for real estate surveying is equipped with a calibration component at the end of the control platform. With the help of the calibration component, it can slide past the front end of the first and second levels in sequence. By detecting the amount of light entering the device, the horizontality of the horizontal lines projected by the two levels can be quickly calibrated and detected, so that deviations in the levels can be detected in a timely manner. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the external structure of a horizontal marking device for real estate surveying according to the present invention;

[0020] Figure 2 This is a schematic diagram of the control platform part of the present invention;

[0021] Figure 3 This is a schematic diagram of the angle adjustment mechanism of the present invention;

[0022] Figure 4 This is a schematic diagram of the locking mechanism of the present invention;

[0023] Figure 5 This is a structural diagram of the detection chamber after installation of the present invention;

[0024] Figure 6 This is a schematic diagram of the detection chamber portion of the present invention;

[0025] Figure 7 for Figure 1 Enlarged view of region A in the middle;

[0026] In the diagram: 1. Control platform; 2. First level; 3. Second level; 4. Angle adjustment mechanism; 5. Locking mechanism; 6. Calibration component; 7. End plate; 8. Drive box; 9. Transmission sleeve; 10. Column; 11. Distance measuring module; 12. Convex plate; 13. Slide groove; 14. Strip hole; 15. Extension plate; 16. Lower hanging plate; 17. Lead screw; 18. Knob; 19. Motor; 20. Drive shaft; 21. Drive gear; 22. Rotating column; 23. Slot; 24. Driven shaft; 25. Driven gear; 26. Sliding seat; 27. Support plate; 28. Arc-shaped piece; 29. ​​Ball bearing; 30. Push screw; 31. Handwheel; 32. Detection chamber; 33. Light inlet; 34. Light shield; 35. Photosensitive module; 36. Vertical plate; 37. Threaded sleeve. Detailed Implementation

[0027] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0028] Please see Figures 1 to 7The present invention provides the following technical solution: a horizontal marking device for real estate surveying, comprising a marking device body, the marking device body comprising an adjustment platform 1, an angle adjustment mechanism 4, a locking mechanism 5, and a calibration component 6, wherein a first level 2 and a second level 3 are mounted on the surface of the adjustment platform 1, the bottom of the first level 2 and the surface of the adjustment platform 1 are screwed together as a whole, the angle adjustment mechanism 4 is mounted on the bottom of the adjustment platform 1, a sliding groove 13 and a strip hole 14 are provided on the surface of the adjustment platform 1, one end of the locking mechanism 5 is embedded in the interior of the sliding groove 13, an extension plate 15 is integrally formed in the area of ​​the adjustment platform 1 at one end of the strip hole 14, the calibration component 6 is inserted inside the strip hole 14, a transmission sleeve 9 is welded to the top of the angle adjustment mechanism 4, a column 10 is welded to the top of the transmission sleeve 9, a distance measuring module 11 is screwed to the top of the column 10, and a lead screw 17 is inserted inside the strip hole 14. The surveying and mapping horizontal marking device uses a first level 2 and a second level 3 to emit horizontal laser beams at two different heights in the target area to mark the lines.

[0029] In use, the first level 2 is activated after the control platform 1 is supported by an external support device. The first level 2 then irradiates a first horizontal laser beam forward. The second level 3 is tilted up by the bottom angle adjustment mechanism 4. The distance to the target to be irradiated by the two levels can be obtained by the distance measuring module 11 on the control platform 1. Since the distance measuring module 11 measures the vertical distance between the target area and the target area, and the measuring point of the distance measuring module 11 is on the horizontal line irradiated by the first level 2, the distance between the second level 3 and the horizontal line irradiated by the first level 2 can be controlled by adjusting the tilting angle of the second level 3. This allows for the control of the distance between the second level 3 and the target vertical surface irradiated by the first level 2, thus quickly obtaining two required horizontal lines simultaneously. After the second level 3 is controlled and irradiated, the second level 3 can be locked by the locking mechanism 5 to prevent the level from shifting or wobbling. The calibration component 6 can also periodically calibrate the levelness of the two levels in sequence.

[0030] In this embodiment, the rear end of the second level 3 is integrally formed with a rotating column 22. A groove 23 is formed on the surface of the rotating column 22, and a driven shaft 24 is integrally formed at one end of the rotating column 22. A driven gear 25 is keyed to the surface of the driven shaft 24. The angle adjustment mechanism 4 includes a motor 19 and a drive gear 21. A drive housing 8 is welded to the bottom of the control platform 1. An end plate 7 is provided at one end of the drive housing 8. The outer casing of the motor 19 is screwed to the outside of the end plate 7. A drive shaft 20 is inserted into the output end of the motor 19, and the drive gear 21 is keyed to the surface of the drive shaft 20. Both the drive shaft 20 and the drive gear 21 are embedded inside the drive housing 8, and the end of the drive shaft 20 is embedded in the inner wall of the drive housing 8 via a bearing. The drive gear 21 and the driven gear 25 mesh. The drive housing 8 and the transmission sleeve 9 are internally connected. It can project two horizontal lines simultaneously. The first level 2 is always positioned in a fixed position to project a horizontal line, while the second level 3 projects a second horizontal line in a tilted manner through the bottom angle adjustment mechanism 4. With the middle distance measuring module 11, the height difference between different horizontal lines on the same vertical plane can be quickly calculated, which is more flexible and simplifies the operation of surveying tasks that require multiple horizontal lines.

[0031] Specifically, after starting the motor 19, the motor 19 controls the drive shaft 20 to rotate. The drive shaft 20 drives the active gear 21 on the surface, which in turn controls the driven gear 25 to rotate. The driven gear 25 drives the inner driven shaft 24 to rotate. The driven shaft 24 controls the rotation column 22 at the end to rotate, which can tilt the entire second level 3 around the rear rotating column 22, changing the height of the laser line emitted by the second level 3 illuminating the vertical surface of the target.

[0032] In this embodiment, the locking mechanism 5 includes a sliding seat 26 and a pushing screw 30. A protruding plate 12 is welded to the side of the control platform 1, and the pushing screw 30 is inserted in the middle of the protruding plate 12. One end of the pushing screw 30 is integrally formed with a handwheel 31. The bottom of the sliding seat 26 is embedded in the interior of the slide groove 13. The other end of the pushing screw 30 is movably connected to the side of the sliding seat 26 via a bearing. The top of the sliding seat 26 is integrally formed with a support plate 27, and the surface of the support plate 27 is integrally formed with an arc-shaped piece 28. Ball bearings 29 are embedded in the surface of the arc-shaped piece 28. The support plate 27 abuts against the surface of the rotating column 22, and the arc-shaped piece 28 is embedded in the interior of the slot 23. The sliding seat 26 moves translationally along the interior of the slide groove 13 via the pushing screw 30, and the sliding seat 26 presses against the inner wall of the slot 23 via the arc-shaped piece 28. After the angle adjustment module adjusts the angle of the horizontal line projected by the second level 3, the locking mechanism 5 on the side provides a pushing effect on the second level 3. This effect ensures that the second level 3 will not be easily disturbed by external forces and will not shake during the subsequent long-term marking process, thus improving the stability of the horizontal line illumination.

[0033] Specifically, during the tilting process of the second level 3 via the angle adjustment mechanism 4, it is always supported by the rear support plate 27 and uses the ball bearings 29 on the arc-shaped piece 28 as the main support structure to reduce the resistance generated when the second level 3 rotates. After the angle adjustment is completed, the handwheel 31 is manually turned to control the compression screw to move horizontally, which drives the sliding seat 26 to move along the slide groove 13. This movement process can directly press each arc-shaped piece 28 against the inner wall of the slot 23 and generate a large compression force. This compression force can directly lock the rotating column 22. Therefore, once the tilt of the second level 3 is adjusted by the angle adjustment mechanism 4, even if the power of the motor 19 is cut off, the problem of the second level 3 falling due to external force can still be avoided, so as to achieve long-term marking use and reduce the impact of external interference.

[0034] In this embodiment, a lower mounting plate 16 is welded to the bottom side of the control platform 1. A lead screw 17 passes through the middle of the lower mounting plate 16, and a knob 18 is integrally formed at one end of the lead screw 17. The calibration component 6 includes a detection chamber 32, a light inlet 33, and a photosensitive module 35. The front end of the detection chamber 32 has a light inlet 33, and a light shield 34 is welded to the side of the light inlet 33. The photosensitive module 35 is screwed into the inside of the detection chamber 32. Both the light inlet 33 and the light shield 34 are triangular in structure. An integral upright plate 36 is formed at the bottom of the detection chamber 32, and a threaded sleeve 37 is formed at the bottom of the upright plate 36. The lead screw 17 passes through the inside of the threaded sleeve 37. The light inlet 33 is used to receive horizontal laser beams emitted from the first level instrument 2 and the second level instrument 3. A calibration component 6 is installed at the end of the control platform 1. With the help of the calibration component 6, it can slide past the front end of the first level 2 and the second level 3 in sequence. By detecting the amount of light entering, the levelness of the horizontal lines projected by the two levels can be quickly calibrated and detected, so that deviations in the levels can be detected in time.

[0035] Specifically, when calibrating and testing the two levels, the second level 3 is first rotated downwards by the angle adjustment mechanism 4 to reach the same height as the first level 2 for illumination. At this time, the knob 18 is manually rotated, and with the help of the rotation of the lead screw 17, the detection chamber 32 is controlled to slide along the strip hole 14 by the threaded sleeve 37. The light inlet 33 is moved past the laser beams emitted by the first level 2 and the second level 3 in sequence. When the laser beam emitted by either level is tilted, the length of the laser beam emitted by that level at the light inlet 33 will increase, resulting in more light entering the light inlet 33. The brightness sensed by the internal photosensitive module 35 will increase. Therefore, by moving the light inlet past the illumination range of the two levels in sequence and comparing the brightness detected after moving past the two areas, it can be determined whether the two levels are completely consistent, thus achieving the effect of mutual comparison and verification.

[0036] The basic principles, main features and advantages of the present invention are shown and described above. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention.

[0037] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A horizontal marking device for real estate surveying, comprising a marking device body, characterized in that: The marking device body includes a control platform (1), an angle adjustment mechanism (4), a locking mechanism (5), and a calibration component (6). A first level (2) and a second level (3) are mounted on the surface of the control platform (1). The bottom of the first level (2) and the surface of the control platform (1) are screwed together as a whole. An angle adjustment mechanism (4) is mounted on the bottom of the control platform (1). A groove (13) and a slotted hole (14) are provided on the surface of the control platform (1). One end of the locking mechanism (5) is embedded in the groove (13). The adjustment mechanism (6) is located at one end of the slotted hole (14). The platform (1) has an integrally formed extension plate (15). A calibration component (6) is inserted inside the strip hole (14). A transmission sleeve (9) is welded to the top of the angle adjustment mechanism (4). A column (10) is welded to the top of the transmission sleeve (9). A distance measuring module (11) is screwed to the top of the column (10). A lead screw (17) is inserted inside the strip hole (14). The rear end of the second level (3) has an integrally formed rotating column (22). A slot (23) is opened on the surface of the rotating column (22). One end of the rotating column (22) has an integrally formed... Driven shaft (24), driven gear (25) is keyed to the surface of driven shaft (24), angle adjustment mechanism (4) includes motor (19) and drive gear (21), drive box (8) is welded to the bottom of control platform (1), end plate (7) is provided at one end of drive box (8), the outer shell of motor (19) is screwed to the outside of end plate (7), drive shaft (20) is inserted into the output end of motor (19), drive gear (21) is keyed to the surface of drive shaft (20); locking mechanism (5) includes sliding seat (26) and pushing screw (30) The control platform (1) has a protruding plate (12) welded to its side. A push screw (30) is inserted in the middle of the protruding plate (12). A handwheel (31) is integrally formed at one end of the push screw (30). The bottom of the sliding seat (26) is embedded in the interior of the slide groove (13). The other end of the push screw (30) is movably connected to the side of the sliding seat (26) through a bearing. A support plate (27) is integrally formed at the top of the sliding seat (26). An arc-shaped piece (28) is integrally formed on the surface of the support plate (27). Ball bearings (29) are embedded on the surface of the arc-shaped piece (28).The control platform (1) has a lower mounting plate (16) welded to its side bottom. The lead screw (17) passes through the middle of the lower mounting plate (16). One end of the lead screw (17) has an integrally formed knob (18). The calibration component (6) includes a detection chamber (32), a light inlet (33), and a photosensitive module (35). The front end of the detection chamber (32) has a light inlet (33). A light shield (34) is welded to the side of the light inlet (33). The photosensitive module (35) is screwed into the inside of the detection chamber (32). The light inlet (33) and the light shield (34) are both triangular in structure.

2. The horizontal marking device for real estate surveying according to claim 1, characterized in that: The drive shaft (20) and the drive gear (21) are both embedded inside the drive housing (8), and the end of the drive shaft (20) is embedded in the inner wall of the drive housing (8) through a bearing. The drive gear (21) and the driven gear (25) mesh with each other. The drive housing (8) and the transmission sleeve (9) are connected inside.

3. The horizontal marking device for real estate surveying according to claim 1, characterized in that: The tray (27) rests against the surface of the rotating column (22), the arc-shaped piece (28) is embedded in the inside of the slot (23), the sliding seat (26) moves along the inside of the groove (13) by the pushing screw (30), and the sliding seat (26) squeezes the inner wall of the slot (23) by the arc-shaped piece (28).

4. The horizontal marking device for real estate surveying according to claim 1, characterized in that: The bottom of the detection chamber (32) is integrally formed with a vertical plate (36), and a threaded sleeve (37) is provided at the bottom of the vertical plate (36). The lead screw (17) passes through the inside of the threaded sleeve (37), and the light inlet (33) is used to receive the horizontal laser beam emitted from the first level (2) and the second level (3).

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