A surveying and mapping instrument positioning device based on engineering surveying and mapping

Abstract

The application discloses a surveying and mapping instrument positioning device based on engineering surveying and mapping, which comprises a connecting block, a mounting box is arranged at the top of the connecting block, a bottom plate is arranged at the top of the mounting box, a first fixing plate is arranged at one side of the top of the bottom plate, a second fixing plate is arranged at the other side of the top of the bottom plate, dovetail blocks are arranged at the bottom of the first fixing plate and the second fixing plate, rollers are arranged in the inside of the bottom of the dovetail blocks, dovetail grooves are formed in the surfaces of the two sides of the top of the bottom plate, a fixing block is arranged between the two dovetail grooves, the dovetail blocks and the rollers are arranged in the inside of the dovetail grooves, a limiting groove is formed in the inside of the fixing block, a limiting ring is arranged in the inside of the limiting groove, a rotating disc is arranged at one side of the bottom plate, and a first threaded rod is arranged at the middle of the inner side of the rotating disc.

Description

Technical Field

[0001] This invention belongs to the field of surveying instrument positioning technology, specifically relating to a surveying instrument positioning device based on engineering surveying. Background Technology

[0002] Surveying is the process of measuring and drawing. Based on computer technology, optoelectronic technology, network communication technology, space science, and information science, and with global navigation satellite positioning systems, remote sensing, and geographic information systems as its core technologies, surveying obtains graphic and location information reflecting the current state of the ground by measuring existing feature points and boundaries. This information is used for planning and design in engineering construction and for administrative management. Surveying is the process by which workers obtain data through measurement using certain instruments and then draw maps. The use of surveying instruments is indispensable in surveying work. Surveying instruments need to be installed on a positioning frame during use. Simply put, surveying instruments are instruments and devices designed and manufactured for data acquisition, processing, and output in surveying operations. They include various instruments used for orientation, distance measurement, angle measurement, height measurement, mapping, and photogrammetry during the planning, design, construction, and management phases of engineering construction.

[0003] Currently, positioning devices are frequently used in engineering surveying. Existing positioning devices require the simultaneous rotation of bolts on one side of both fixing plates to hold the surveying instrument in place, which is cumbersome and reduces the efficiency of installation. Although some existing solutions use a two-way lead screw to feed the two jaws in opposite directions to hold the measuring instrument, the diverse types of measuring instruments and their uneven mass distribution mean that the synchronous opposite movement of traditional clamping mechanisms often results in the measuring instrument ending up in the middle position. This makes it difficult for the bearing frame of the clamped measuring instrument to achieve a stable center of gravity.

[0004] Therefore, we propose a mapping instrument positioning device based on engineering surveying. Summary of the Invention

[0005] The purpose of this invention is to provide a surveying instrument positioning device based on engineering surveying, so as to solve the problem in the above-mentioned background art that when the existing positioning device fixing plate fixes the surveying instrument, it is necessary to rotate the bolts on one side of both fixing plates at the same time, and the bolts hold the surveying instrument in place. This is cumbersome and reduces the efficiency of workers installing the surveying instrument.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a positioning device for a surveying instrument based on engineering surveying, comprising a connecting block, a mounting box at the top of the connecting block, a base plate at the top of the mounting box, a first fixing plate at one side of the top of the base plate, a second fixing plate at the other side of the top of the base plate, dovetail blocks at the bottom of both the second and first fixing plates, rollers inside the bottom of the dovetail blocks, dovetail grooves on both sides of the top of the base plate, a fixing block between the two dovetail grooves, the dovetail blocks and rollers being located inside the dovetail grooves, a limiting groove being formed inside the fixing block, a limiting ring being provided inside the limiting groove, a turntable at one side of the base plate, a first threaded rod at the middle of the inner side of the turntable, one end of the first threaded rod being located on one side of the limiting ring, a second threaded rod at the other side of the limiting ring, both the second and first threaded rods being located inside the dovetail grooves, and both the first and second threaded rods penetrating the fixing block and the dovetail block.

[0007] Each of the support rods has a rotatable pressure block at its bottom. An acceleration sensor, a magnetic block, and a pressure sensor are embedded in the pressure block. An electrically controlled rotary clutch is provided in the limiting ring. The closing time of the electrically controlled rotary clutch is selected in response to the value and direction of the acceleration sensor and the value and difference of the pressure sensor.

[0008] Preferably, a support rod is provided on the outer side of the connecting block. A first rotating groove is formed at the bottom end of the support rod. A second rotating groove is formed on one side of the top end of the first rotating groove. A first placement groove is formed on the other side of the top end of the first rotating groove. The second rotating groove is interconnected with both the first rotating groove and the first placement groove. A second placement groove is formed at the top end of the inner side of the first placement groove. The second placement groove is interconnected with the first placement groove. A pressure block is provided inside the first placement groove. A rotating block is provided on one side of the bottom end of the pressure block. The rotating block is located inside the first rotating groove. The rotating block is rotatably connected to the support rod through the rotating rod and the first rotating groove. All sliding grooves are formed at one end of both sides inside the first rotating groove. Both ends of the rotating rod are located inside the sliding grooves.

[0009] Preferably, a limiting strip is provided at the top of the first placement slot, all limiting slots are opened on the top surface of the pressure block, the limiting strip is located inside the limiting slot, a pull block is provided on one side of the top of the pressure block, the pull block is located outside the first placement slot, the pull block is located on the rear surface of the support rod, a fixing head is provided on the inner side of the pressure block, and the fixing head is located inside the second placement slot.

[0010] Preferably, the connecting block is fixedly connected to the mounting box, and the mounting box is rotatably connected to the base plate.

[0011] Preferably, both the second fixing plate and the first fixing plate are fixedly connected to the dovetail block, the dovetail block is rotatably connected to the roller via a rotating shaft, and protective pads are fixedly connected to the inner sides of both the first fixing plate and the second fixing plate.

[0012] Preferably, the fixing block is fixedly connected to the base plate, and the limiting ring is fixedly connected to both the first threaded rod and the second threaded rod.

[0013] Preferably, both the second threaded rod and the first threaded rod are rotatably connected to the dovetail block via threads, and the threads of the second threaded rod are opposite in direction to those of the first threaded rod.

[0014] Preferably, the first threaded rod is fixedly connected to the turntable, the first fixing plate and the second fixing plate have the same specifications, and both the first fixing plate and the second fixing plate are slidably connected to the base plate through dovetail blocks, rollers and dovetail grooves.

[0015] Preferably, the fixing head is fixedly connected to the pressure block, and the pressure block is fixedly connected to the rotating block.

[0016] Preferably, the pull block and the pressure block are fixedly connected, the limiting strip is fixedly connected to the support rod through the first mounting groove, and the limiting strip is engaged with the pressure block through the limiting groove.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] (1) In this invention, the specially designed two lead screws with an electronically controlled rotary clutch, as well as pressure and acceleration sensors, enable the measuring instrument for irregular structures to maintain a stable center of gravity, overcoming the instability caused by the mechanical instability of all traditional measuring instruments that remain in the middle position at the top of the base plate.

[0019] (2) By adding a turntable to one side of the base plate, when it is necessary to fix the surveying instrument, the turntable is rotated, which drives the first threaded rod to rotate. The first threaded rod drives the limit ring to rotate, and the limit ring drives the second threaded rod to move. With the second threaded rod and the turntable rotating at the same time, the two dovetail blocks move at the same time under the action of the threads. The dovetail blocks drive the second fixing plate and the first fixing plate to move in opposite directions at the same time. The second fixing plate and the first fixing plate drive the protective pad to move at the same time until the turntable can no longer be rotated. At this time, the two protective pads are tightly pressed against both sides of the surveying instrument, thus completing the fixation of the surveying instrument. The surveying instrument can be fixed by rotating the turntable, which improves the efficiency of the staff in fixing the surveying instrument.

[0020] (3) By adding rollers inside the bottom of the dovetail block, the dovetail block drives the rollers to rotate through the rotating shaft while the dovetail block moves. The rollers roll along the inside of the dovetail groove. Under the action of the rollers, the moving friction between the dovetail block and the dovetail groove is reduced, thereby ensuring the smooth movement of the dovetail block, and thus ensuring the smooth movement of the first fixed plate and the second fixed plate, further facilitating the staff to fix and survey.

[0021] (4) By opening a second placement slot at the top of the inner side of the first placement slot, when it is necessary to store the pressure block, pull the pull block, which drives the pressure block to move. The pressure block drives the limiting slot and the fixing head to move. At the same time, the other end of the pressure block carries the rotating block to rotate around the rotating rod and raises the rotating rod to the top of the sliding groove until the pressure block is rotated into the first placement slot. When the pressure block enters the first placement slot and contacts the limiting strip, the limiting strip is made of elastic material. The limiting strip deforms under the action of force, causing the pressure block to slide past the limiting strip. When the limiting strip contacts the limiting slot, the limiting strip resets under its own elastic action and enters the limiting slot, thus completing the fixing of the pressure block. At this time, the fixing head enters the second placement slot, which facilitates the staff to store the pressure block and avoids the fixing head being exposed and piercing the staff, further improving the safety performance of the positioning device. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the positioning device structure of the present invention;

[0023] Figure 2 for Figure 1 A magnified structural diagram at point a in the diagram;

[0024] Figure 3 This is a top view of the base plate structure of the present invention;

[0025] Figure 4 This is a schematic cross-sectional view of the base plate structure of the present invention;

[0026] Figure 5 for Figure 4 A magnified structural diagram at point c in the diagram;

[0027] Figure 6 for Figure 4 A magnified structural diagram at point d in the diagram;

[0028] Figure 7 This is a schematic cross-sectional view of the dovetail groove structure of the present invention;

[0029] Figure 8 for Figure 1 Enlarged structural diagram at point b in the diagram;

[0030] Figure 9 This is a schematic cross-sectional view of the second mounting slot of the present invention;

[0031] Figure 10 for Figure 9 A magnified structural diagram at point e in the diagram;

[0032] Figure 11 This is a side view of the pressure block structure of the present invention;

[0033] In the diagram: 1. Connecting block; 2. Mounting box; 3. Base plate; 4. First fixing plate; 5. Second fixing plate; 6. Support rod; 7. Protective pad; 8. Dovetail block; 9. ; 10. First threaded rod; 11. Turntable; 12. Dovetail groove; 13. Second threaded rod; 14. Fixing block; 15. Roller; 16. Limiting ring; 17. Limiting groove; 18. Pressure block; 19. Rotating block; 20. First rotating groove; 21. Second rotating groove; 22. Sliding groove; 23. First placement groove; 24. Second placement groove; 25. Pulling block; 26. Fixing head; 27. Restricting strip; 28. Restricting groove. Detailed Implementation

[0034] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0035] Please see Figures 1-11 This invention provides a technical solution: a positioning device for a surveying instrument based on engineering surveying, comprising a connecting block 1, a mounting box 2 at the top of the connecting block 1, a base plate 3 at the top of the mounting box 2, a first fixing plate 4 on one side of the top of the base plate 3, a second fixing plate 5 on the other side of the top of the base plate 3, dovetail blocks 8 at the bottom of both the second fixing plate 5 and the first fixing plate 4, rollers 15 inside the bottom of the dovetail blocks 8, dovetail grooves 12 on both sides of the top of the base plate 3, and a fixing block 14 between the two dovetail grooves 12. Block 8 and roller 15 are both located inside the dovetail groove 12. A limiting groove 17 is opened inside the fixed block 14. A limiting ring 16 is set inside the limiting groove 17. A turntable 11 is set on one side of the base plate 3. A first threaded rod 10 is set in the middle of the inner side of the turntable 11. One end of the first threaded rod 10 is located on one side of the limiting ring 16. A second threaded rod 13 is set on the other side of the limiting ring 16. The second threaded rod 13 and the first threaded rod 10 are both located inside the dovetail groove 12. The first threaded rod 10 and the second threaded rod 13 both pass through the fixed block 14 and the dovetail block 8.

[0036] Each of the support rods 6 has a rotatable pressure block 18 at its bottom. An acceleration sensor, a magnetic block, and a pressure sensor are embedded in the pressure block 18. An electrically controlled rotary clutch is located in the limiting ring 16. The closing time of the electrically controlled rotary clutch is selected in response to the value and direction of the acceleration sensor and the value and difference of the pressure sensor. Specifically, for objects with different shapes and mass density distributions to be clamped, it is highly likely that the object to be clamped, such as a measuring instrument, does not need to be moved to the top center of the base plate 3. Therefore, the second fixing plate 5 and the first fixing plate 4 do not need to maintain simultaneous movement. The electrically controlled rotary clutch is closed before the difference between the three pressure sensors is less than a threshold and the direction of the acceleration sensor does not change. This allows only the second fixing plate 5 to move under the drive of the lead screw. This operation can pre-position the object to be clamped close to the first fixing plate 4. Finally, after the above conditions are met, the first fixing plate 4 and the object to be clamped remain stationary after the electrically controlled rotary clutch closes until the second fixing plate 5 clamps the measuring instrument into place.

[0037] To facilitate the storage of the pressure block 18, in this embodiment, preferably, a support rod 6 is provided on the outer side of the connecting block 1. A first rotating groove 20 is provided at the bottom end of the support rod 6. A second rotating groove 21 is provided on one side of the top end of the first rotating groove 20. A first placement groove 23 is provided on the other side of the top end of the first rotating groove 20. The second rotating groove 21 is interconnected with both the first rotating groove 20 and the first placement groove 23. A second placement groove 24 is provided at the top end of the inner side of the first placement groove 23. The second placement groove 24 is interconnected with the first placement groove 23. The pressure block 18 is provided inside the first placement groove 23. A rotating block 19 is provided on one side of the bottom end of the pressure block 18. The rotating block 19 is located inside the first rotating groove 20. The rotating block 19 is rotatably connected to the support rod 6 through the rotating rod and the first rotating groove 20. All sliding grooves 22 are provided at one end of both sides inside the first rotating groove 20. Both ends of the rotating rod are located inside the sliding grooves 22.

[0038] To facilitate the storage of the fixing head 26, in this embodiment, preferably, a limiting strip 27 is provided at the top of the first placement groove 23, all limiting grooves 28 are opened on the top surface of the pressure block 18, the limiting strip 27 is located inside the limiting groove 28, a pull block 25 is provided on one side of the top of the pressure block 18, the pull block 25 is located outside the first placement groove 23, the pull block 25 is located on the rear surface of the support rod 6, and the fixing head 26 is provided inside the pressure block 18, the fixing head 26 is located inside the second placement groove 24.

[0039] To facilitate the installation of the base plate 3, in this embodiment, preferably, the connecting block 1 is fixedly connected to the mounting box 2, and the mounting box 2 is rotatably connected to the base plate 3.

[0040] In order to facilitate the fixing of the protective pad 7, in this embodiment, preferably, the second fixing plate 5 and the first fixing plate 4 are both fixedly connected to the dovetail block 8. The dovetail block 8 is rotatably connected to the roller 15 through a rotating shaft. The protective pad 7 is fixedly connected to the inner side of the first fixing plate 4 and the second fixing plate 5.

[0041] In order to facilitate the rotation of the second threaded rod 13, in this embodiment, preferably, the fixing block 14 is fixedly connected to the base plate 3, and the limiting ring 16 is fixedly connected to both the first threaded rod 10 and the second threaded rod 13.

[0042] To facilitate fixing the surveying instrument, in this embodiment, preferably, the second threaded rod 13 and the first threaded rod 10 are rotatably connected to the dovetail block 8 by threads, and the threads of the second threaded rod 13 and the first threaded rod 10 are opposite in direction.

[0043] In order to facilitate the rotation of the first threaded rod 10, in this embodiment, preferably, the first threaded rod 10 is fixedly connected to the turntable 11, the first fixing plate 4 and the second fixing plate 5 have the same specifications, and the first fixing plate 4 and the second fixing plate 5 are slidably connected to the base plate 3 through the dovetail block 8, the roller 15 and the dovetail groove 12.

[0044] In order to facilitate fixing the rotating block 19, in this embodiment, preferably, the fixing head 26 is fixedly connected to the pressure block 18, and the pressure block 18 is fixedly connected to the rotating block 19.

[0045] In order to facilitate the fixing of the pressure block 18, in this embodiment, preferably, the pull block 25 is fixedly connected to the pressure block 18, the limiting strip 27 is fixedly connected to the support rod 6 through the first mounting groove 23, and the limiting strip 27 is engaged with the pressure block 18 through the limiting groove 28.

[0046] After the clamping device of the present invention is completed, a turntable 11 is added to one side of the base plate 3. When it is necessary to fix the surveying instrument, the turntable 11 is rotated, which drives the first threaded rod 10 to rotate. The first threaded rod 10 drives the limiting ring 16 to rotate, and the limiting ring 16 drives the second threaded rod 13 to move. With the second threaded rod 13 and the turntable 11 rotating simultaneously, the two dovetail blocks 8 move simultaneously under the action of the threads. The dovetail blocks 8 drive the second fixing plate 5 and the first fixing plate 4 to move in opposite directions. The second fixing plate 5 and the first fixing plate 4 drive the protective pad 7 to move simultaneously. When the turntable 11 can no longer be rotated, stop rotating it. At this point, the two protective pads 7 firmly press against both sides of the surveying instrument, thus securing it. The surveying instrument can be secured simply by rotating the turntable 11, improving the efficiency of instrument fixation for staff. By adding rollers 15 inside the bottom of the dovetail block 8, the dovetail block 8 moves while simultaneously driving the rollers 15 via a rotating shaft. The rollers 15 roll along the inside of the dovetail groove 12, reducing the friction between the dovetail block 8 and the dovetail groove 12, thereby ensuring the smooth movement of the dovetail block 8. To ensure stability and thus guarantee the smooth movement of the first fixing plate 4 and the second fixing plate 5, further facilitating the fixing of the surveying instrument by the staff, a second mounting slot 24 is opened at the top inner side of the first mounting slot 23. When it is necessary to store the pressure block 18, the pull block 25 is pulled, which moves the pressure block 18. The pressure block 18 moves the limiting slot 28 and the fixing head 26. At the same time, the other end of the pressure block 18 carries the rotating block 19 to rotate around the rotating rod, raising the rotating rod to the top of the sliding groove 22 until the pressure block 18 is rotated into the first mounting slot 23. When the block 18 enters the first placement slot 23 and comes into contact with the limiting strip 27, the limiting strip 27, being made of elastic material, deforms under the force, causing the block 18 to slide past the limiting strip 27. When the limiting strip 27 comes into contact with the limiting slot 28, the limiting strip 27 resets under its own elasticity and enters the limiting slot 28, completing the fixation of the block 18. At this time, the fixing head 26 enters the second placement slot 24, making it convenient for workers to store the block 18, while preventing the fixing head 26 from being exposed and injuring workers, further improving the safety performance of the positioning device.

[0047] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A mapping instrument positioning device based on engineering surveying, comprising a connecting block, characterized in that: The connecting block has a mounting box at its top, a base plate at its top, a first fixing plate on one side of the top of the base plate, and a second fixing plate on the other side of the top of the base plate. Both the second and first fixing plates have dovetail blocks at their bottom ends, and rollers are installed inside the bottom ends of the dovetail blocks. Dovetail grooves are formed on both sides of the top of the base plate, and a fixing block is positioned between the two dovetail grooves. The dovetail blocks and rollers are located inside the dovetail grooves. A limiting groove is formed inside the fixing block, and a limiting ring is installed inside the limiting groove. A turntable is located on one side of the base plate, and a first threaded rod is positioned in the middle of the inner side of the turntable. One end of the first threaded rod is located on one side of the limiting ring, and a second threaded rod is positioned on the other side of the limiting ring. Both the second and first threaded rods are located inside the dovetail grooves, and both the first and second threaded rods penetrate the fixing block and the dovetail block. The connecting block is provided with a support rod on its outer side. A pressure block is rotatably housed at the bottom of each support rod. An acceleration sensor, a magnetic block and a pressure sensor are embedded in the pressure block. An electronically controlled rotary clutch is provided in the limiting ring. The closing time of the electronically controlled rotary clutch is selected in response to the value of the acceleration sensor, the direction sensed by the acceleration sensor and the difference between the pressure sensor and the value of the pressure sensor.

2. The mapping instrument positioning device based on engineering surveying according to claim 1, characterized in that: The support rod has a first rotating groove at its bottom end, a second rotating groove on one side of the top of the first rotating groove, and a first placement groove on the other side of the top of the first rotating groove. The second rotating groove is interconnected with the first rotating groove and the first placement groove. The second placement groove is also interconnected with the first placement groove at its inner top. A pressure block is provided inside the first placement groove, and a rotating block is provided on one side of the bottom end of the pressure block. The rotating block is located inside the first rotating groove and is rotatably connected to the support rod through a rotating rod and the first rotating groove. Sliding grooves are provided at one end of each side of the first rotating groove, and both ends of the rotating rod are located inside the sliding grooves.

3. The mapping instrument positioning device based on engineering surveying according to claim 2, characterized in that: A limiting strip is provided at the top of the first placement slot, a limiting groove is provided on the top surface of the pressure block, the limiting strip is located inside the limiting groove, a pull block is provided on one side of the top of the pressure block, the pull block is located outside the first placement slot, the pull block is located on the rear surface of the support rod, a fixing head is provided on the inner side of the pressure block, and the fixing head is located inside the second placement slot.

4. The mapping instrument positioning device based on engineering surveying according to claim 1, characterized in that: The connecting block is fixedly connected to the mounting box, and the mounting box is rotatably connected to the base plate.

5. A mapping instrument positioning device based on engineering surveying according to claim 1, characterized in that: Both the second fixing plate and the first fixing plate are fixedly connected to the dovetail block. The dovetail block is rotatably connected to the roller via a rotating shaft. Protective pads are fixedly connected to the inner sides of both the first fixing plate and the second fixing plate.

6. The mapping instrument positioning device based on engineering surveying according to claim 1, characterized in that: The fixing block is fixedly connected to the base plate, and the limiting ring is fixedly connected to the first threaded rod and the second threaded rod respectively.

7. The mapping instrument positioning device based on engineering surveying according to claim 1, characterized in that: Both the second threaded rod and the first threaded rod are rotatably connected to the dovetail block via threads, and the threads of the second threaded rod are opposite in direction to those of the first threaded rod.

8. A mapping instrument positioning device based on engineering surveying according to claim 1, characterized in that: The first threaded rod is fixedly connected to the turntable. The first fixed plate and the second fixed plate have the same specifications. Both the first fixed plate and the second fixed plate are slidably connected to the base plate through dovetail blocks, rollers and dovetail grooves.

9. A mapping instrument positioning device based on engineering surveying according to claim 3, characterized in that: The fixing head is fixedly connected to the pressure block, and the pressure block is fixedly connected to the rotating block.

10. A mapping instrument positioning device based on engineering surveying according to claim 3, characterized in that: The pull block and the pressure block are fixedly connected, and the limiting strip is fixedly connected to the support rod through the first mounting groove. The limiting strip is engaged with the pressure block through the limiting groove.

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