CN117930258A - Regional geographic laser rangefinder equipment - Google Patents
Regional geographic laser rangefinder equipment Download PDFInfo
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- CN117930258A CN117930258A CN202410338399.8A CN202410338399A CN117930258A CN 117930258 A CN117930258 A CN 117930258A CN 202410338399 A CN202410338399 A CN 202410338399A CN 117930258 A CN117930258 A CN 117930258A
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- 239000000523 sample Substances 0.000 claims description 45
- 210000001503 joint Anatomy 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 13
- 239000000428 dust Substances 0.000 abstract description 5
- 230000006870 function Effects 0.000 abstract description 4
- 230000002265 prevention Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 230000001276 controlling effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 238000003032 molecular docking Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 206010070834 Sensitisation Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
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- 239000012466 permeate Substances 0.000 description 1
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Abstract
The invention provides regional geographic laser ranging equipment, which relates to the technical field of laser ranging, wherein a laser ranging equipment body comprises a ranging box, an angle regulating and controlling assembly, a calibration mechanism and a laser ranging module, a rear baffle plate is arranged at the rear end of the ranging box, a first motor is arranged in the rear baffle plate, a ranging window is arranged at the front end of the ranging box, a front baffle plate is arranged at the bottom end of the ranging window, a screw rod is connected to the inner side of the front baffle plate, the other end of the screw rod is fixedly connected with the output end of the first motor, and the laser ranging module is arranged on the surface of the screw rod. The laser ranging device can control the laser ranging module to horizontally move through the screw rod and the first motor, and converts the angle regulation provided by rotation into horizontal linear motion, so that the reading distance of the angle regulation is prolonged, the measurement of the clamping angles of two target points which are far away and are short in distance is more accurate and reliable, and meanwhile, the efficient calibration, dust prevention and water prevention functions are provided.
Description
Technical Field
The invention relates to the technical field of laser ranging, in particular to regional geographic laser ranging equipment.
Background
The laser range finder can emit a very thin laser beam to a target during operation, the photoelectric element receives the laser beam reflected by the target, the timer measures the time from the emission of the laser beam to the receiving of the laser beam, the time is multiplied by the speed of light and divided by two, the distance from an observer to the target is calculated, and the laser range finder has the characteristics of good monochromaticity, strong directivity and the like of the laser, and the electronic circuit is integrated, so that compared with the photoelectric range finder, the photoelectric range finder can not only operate day and night, but also improve the range finding degree, and remarkably reduce the weight and the power consumption.
The laser ranging device applied to regional geography in the prior art realizes the ranging purpose by means of the laser beam generated by the laser probe and provides basic functions such as angle regulation and control, when the included angle between two target points is required to be measured compared with the measured point, besides the laser beam is required to be sequentially irradiated to the two target points, the laser probe is required to be rotated by means of an angle regulation and control component, but the rotating range of the laser probe is extremely small for the two target points which are far away and are relatively short, so that the error of the measured included angle is increased, on the other hand, the laser ranging device is required to be calibrated regularly, and the conventional calibration scheme is required to verify the detection data of the laser ranging device by means of an additional ranging workpiece, so that the operation steps are complicated and additional tool equipment is required to be used.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide the regional geographic laser ranging equipment so as to solve the problems in the background art, and the invention can control the laser ranging module to horizontally move through the screw rod and the first motor, and convert the angle regulation provided by rotation into horizontal linear motion, so that the reading distance of the angle regulation is prolonged, the measurement of the clamping angles of two target points which are far away and are short in distance is more accurate and reliable, and meanwhile, the efficient calibration, dust prevention and water prevention functions are provided.
In order to achieve the above object, the present invention is realized by the following technical scheme: the utility model provides a regional geography laser rangefinder, includes laser rangefinder body, laser rangefinder body includes rangefinder case, angle regulation and control subassembly, calibration mechanism and laser rangefinder module, the rear end of rangefinder case is provided with the backplate, the internally mounted of backplate has first motor, the front end of rangefinder case is provided with the range finding window, the baffle before the bottom of range finding window is installed, the inboard of preceding baffle is connected with the lead screw, the other end and the output fixed connection of first motor of lead screw, laser rangefinder module installs the surface at the lead screw, angle regulation and control subassembly sets up the top at laser rangefinder module, and laser rangefinder module's mid-mounting has laser probe, the spout has been seted up at the top of rangefinder case, the inside of spout alternates there is locking component, angle regulation and control subassembly passes from the inside of spout, calibration mechanism is installed to the top one end of rangefinder case.
Further, the bar hole has been seted up to the side of range finding case, the scale mark has been carved with on the range finding case surface of bar hole bottom, the spacing groove has been seted up to the both sides of spout, the guiding hole has been seted up to the top one end of range finding case, the side blend stop is installed to the inboard of range finding window, the centre of side blend stop is provided with the sensitization module.
Further, the tail end of the screw rod is embedded into the surface of the front baffle through a bearing, the side barrier strips and the photosensitive modules are symmetrically arranged on two sides of the screw rod, and laser beams emitted by the laser probe are flush with the photosensitive modules.
Further, the laser ranging module comprises a laser probe and a translation plate, an angle adjusting shaft is arranged at the top of the translation plate, a driving shaft is arranged at the top of the angle adjusting shaft, a threaded sleeve is arranged at the bottom of the translation plate, and the threaded sleeve is sleeved on the surface of the screw rod.
Further, one side of the translation plate is connected with an extension plate, the tail end of the extension plate is provided with a lower hanging plate, and the tail end of the lower hanging plate is provided with a marking plate.
Further, the lower hanging plate is embedded into the strip-shaped hole, the marking plate penetrates out of the strip-shaped hole, and the number marked by the scale mark is horizontal included angle data between the laser beam irradiated by the edge of the ranging window and the screw rod at the position where the laser probe is located.
Further, the angle regulation and control subassembly includes second motor and drive shaft, the output at the second motor is connected at the top of drive shaft, the casing bottom of second motor is provided with first slide, locking subassembly includes second slide and locking bolt, the bottom of first slide and second slide all is provided with the slider.
Further, every the slider is all embedded into the inside of spacing groove, and the cross-section of spacing groove and slider all is "T" type structure, locking bolt is worn out downwards from the intermediate position of second slide, the surface connection of drive shaft has the butt joint pole, the butt joint hole has been seted up to the end of butt joint pole, locking bolt's end embeds the inside in butt joint hole.
Further, the calibrating mechanism comprises a top plate and a lifting sleeve, wherein the lifting sleeve is arranged at the bottom of the top plate, the bottom of the lifting sleeve is embedded into the guide hole, a groove is formed in one side of the lifting sleeve, and a reflecting plate is embedded into the groove.
Further, the switching rod is inserted at the both ends of roof, the terminal screw hole of seting up of range finding case top is inserted to the terminal of switching rod, the laser probe inserts the inside of recess after moving along the lead screw, paste on the inner wall of recess and be equipped with sealed pad.
The invention has the beneficial effects that:
1. The regional geographic laser ranging equipment can control the laser ranging module to horizontally move through the screw rod and the first motor, so that the included angle state between the laser beam generated by the laser probe when the laser beam irradiates from the edge of the ranging window and the laser beam propagates along the middle is changed, and further the angle regulation and control provided by rotation in the conventional scheme can be converted into horizontal linear motion to be realized, the reading distance of the angle regulation and control is prolonged, and the measurement of the clamping angle of two target points which are far away and are short in distance is more accurate and reliable.
2. This geographical laser rangefinder of region carries out horizontal migration's effect based on above-mentioned laser rangefinder module that can control, installs calibration mechanism in the open position of range box, consequently when directly removing the rear end with laser rangefinder module, directly carries out distance measurement to calibration mechanism, reads the actual measurement data who acquires this moment, compares the back with standard distance data and can judge the measuring error condition of laser equipment this moment.
3. After the calibration mechanism at the top of the geographical laser ranging equipment in the area moves downwards, the laser ranging module is directly moved to be in butt joint with the calibration mechanism, at the moment, the laser probe part can be embedded into the groove, and the laser probe is sealed by the groove, so that external dust is prevented from drifting into the laser probe, and the dustproof and waterproof performances are improved.
Drawings
FIG. 1 is a schematic diagram of the configuration of a geographic laser ranging apparatus according to the present invention;
FIG. 2 is an internal structural view of the laser ranging apparatus of the present invention;
FIG. 3 is a schematic view of a laser ranging module according to the present invention;
FIG. 4 is a schematic view of a portion of an angle control assembly of the present invention;
FIG. 5 is an enlarged view of area A of FIG. 1;
FIG. 6 is a schematic view of a calibration mechanism portion of the present invention;
In the figure: 1. a ranging box; 2. a rear baffle; 3. a first motor; 4. a chute; 5. a limit groove; 6. a ranging window; 7. a bar-shaped hole; 8. scale marks; 9. an angle control assembly; 10. a locking assembly; 11. a calibration mechanism; 12. a laser ranging module; 13. a screw rod; 14. a translation plate; 15. a threaded sleeve; 16. an angle adjusting shaft; 17. a laser probe; 18. an extension plate; 19. a lower hanging plate; 20. a marking plate; 21. a drive shaft; 22. a first slide plate; 23. a second motor; 24. a butt joint rod; 25. a butt joint hole; 26. a second slide plate; 27. a locking bolt; 28. a slide block; 29. a side barrier strip; 30. a photosensitive module; 31. a front baffle; 32. a top plate; 33. lifting the sleeve; 34. a guide hole; 35. a switching lever; 36. a groove; 37. and a light reflecting plate.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Referring to fig. 1 to 6, the present invention provides the following technical solutions: the utility model provides a regional geography laser rangefinder, includes laser rangefinder body, laser rangefinder body includes rangefinder case 1, angle regulation and control subassembly 9, calibration mechanism 11 and laser rangefinder module 12, the rear end of rangefinder case 1 is provided with backplate 2, the internally mounted of backplate 2 has first motor 3, the front end of rangefinder case 1 is provided with rangefinder window 6, front bezel 31 is installed to the bottom of rangefinder window 6, the inboard of front bezel 31 is connected with lead screw 13, the other end and the output fixed connection of first motor 3 of lead screw 13, laser rangefinder module 12 installs the surface at lead screw 13, angle regulation and control subassembly 9 sets up the top at laser rangefinder module 12, and the mid-mounting of laser rangefinder module 12 has laser probe 17, spout 4 has been seted up at the top of rangefinder case 1, the inside of spout 4 alternates has locking component 10, angle regulation and control subassembly 9 passes from the inside of spout 4, calibration mechanism 11 is installed to the top one end of rangefinder case 1. The geographical laser ranging device of this area carries out the distance measurement to the target area through inside laser probe 17, and this embodiment provides in addition to conventional laser ranging procedure, still provides following three kinds of function of use and relevant concrete procedure: 1. measuring the included angle between the two target point phases compared with the measuring point by means of the laser ranging module 12; 2. verifying the measurement data of the laser ranging module 12 part; 3. the laser ranging module 12 is stored in a storage part when not in use.
In this embodiment, bar hole 7 has been seted up to the side of range finding case 1, the scale mark 8 has been carved into on the range finding case 1 surface of bar hole 7 bottom, spacing groove 5 has been seted up to the both sides of spout 4, guiding hole 34 has been seted up to the top one end of range finding case 1, side blend stop 29 is installed to the inboard of range finding window 6, the centre of side blend stop 29 is provided with photosensitive module 30, the surface of preceding baffle 31 is inlayed through the bearing to the end of lead screw 13, side blend stop 29 and photosensitive module 30 are all installed in the both sides of lead screw 13 with the symmetry form, laser beam that laser probe 17 launched flushes with photosensitive module 30.
Specifically, when measuring, because the whole long channel structure that is of range finding case 1 to set up laser range finding module 12 in the inside of range finding case 1, consequently in the range finding process of follow-up use, can be with the laser beam of laser probe 17 emission towards the position of range finding window 6 after starting laser range finding module 12, and shine to the target point position, directly acquire the distance data at irradiation point position, can accomplish the distance measurement process.
In this embodiment, the laser ranging module 12 includes a laser probe 17 and a translation plate 14, an angle adjustment shaft 16 is installed at the top of the translation plate 14, the laser probe 17 is installed at the top of the angle adjustment shaft 16, a driving shaft 21 is installed at the top of the laser probe 17, a threaded sleeve 15 is installed at the bottom of the translation plate 14, the threaded sleeve 15 is sleeved on the surface of the screw rod 13, one side of the translation plate 14 is connected with an extension plate 18, a lower hanging plate 19 is installed at the tail end of the extension plate 18, a marking plate 20 is installed at the tail end of the lower hanging plate 19, the lower hanging plate 19 is embedded into the strip-shaped hole 7, the marking plate 20 penetrates out from the inside of the strip-shaped hole 7, and the number imprinted by the scale mark 8 is horizontal included angle data between the laser beam irradiated towards the edge of the ranging window 6 and the screw rod 13 at the position where the laser probe 17 is located. After the calibrating mechanism 11 at the top is moved downwards, the laser ranging module 12 is directly moved to be in butt joint with the calibrating mechanism 11, at the moment, the laser probe 17 can be partially embedded into the groove 36, and the laser probe 17 is sealed by the groove 36, so that external dust is prevented from drifting into the laser probe 17, and the dustproof and waterproof performances are improved.
Specifically, when the distance measuring device is not used, the calibration laser at the top is controlled to move downwards and is embedded into the distance measuring box 1, and then the screw rod 13 is driven to rotate by the first motor 3 at the rear end until the laser distance measuring module 12 moves towards the tail end of the screw rod 13 until the tail end of the laser probe 17 on the laser distance measuring module 12 is embedded into the groove 36, and the inner wall of the laser probe 17 can be sealed by means of the groove 36 and a sealing gasket attached to the inner wall of the groove, so that the damage to the lens caused by the fact that dust and liquid outside in the subsequent long-time storage process cannot permeate into the inner part of the laser probe 17 is ensured.
In this embodiment, the angle regulation and control assembly 9 includes second motor 23 and drive shaft 21, the output at second motor 23 is connected at the top of drive shaft 21, the casing bottom of second motor 23 is provided with first slide 22, locking assembly 10 includes second slide 26 and locking bolt 27, the bottom of first slide 22 and second slide 26 all is provided with slider 28, every slider 28 all imbeds the inside of spacing groove 5, and the cross-section of spacing groove 5 and slider 28 all is "T" type structure, locking bolt 27 is worn out downwards from the intermediate position of second slide 26, the surface connection of drive shaft 21 has docking rod 24, docking hole 25 has been seted up to the end of docking rod 24, the inside of docking hole 25 is inlayed to the end of locking bolt 27. The screw rod 13 and the first motor 3 can control the laser ranging module 12 to move horizontally, so that the included angle state between the laser beam generated by the laser probe 17 when the laser beam irradiates from the edge of the ranging window 6 and the laser beam propagates along the middle is changed, and further the angle regulation and control which can be provided by rotation in the conventional scheme can be converted into horizontal linear motion, so that the reading distance of the angle regulation and control is prolonged, and the measurement of the clamping angles of two target points which are far away and are short in distance is more accurate and reliable.
Specifically, when the included angle between two target points is measured by comparing the two target points with the measurement point, the laser ranging module 12 is locked by the locking component 10, after the locking, the laser beam emitted by the laser probe 17 and the screw rod 13 can be ensured to be kept parallel, at the moment, the laser ranging module 12 is controlled to move to the tail end of the screw rod 13, and directly irradiate one of the target points in an aligned manner, then the whole ranging box 1 is fixed, the locking component 10 is released, at the moment, the first motor 3 and the second motor 23 are started, the laser ranging module 12 is pulled backwards along the screw rod 13 by the first motor 3, the first motor 3 controls the laser probe 17 to rotate and always irradiates the second target point, and because the screw rod 13 drives the laser probe 17 to pull backwards, the included angle between the laser beam and the screw rod 13 is smaller, the laser beam gradually sweeps from the position approximately vertical to the first target point until the laser beam irradiates the second target point, at the moment, the first screw rod 13 can be stopped rotating, at the moment, the position of the side edge extension plate 18 and the marking plate 20 are used for pulling the laser ranging module 12 backwards along the screw rod 13, namely, the included angle between the data line of the data of the laser ranging module and the second target point is positioned on the horizontal scale point 13, namely, and the data of the data line of the data between the data of the position of the laser ranging module and the position of the second target point position is displayed on the scale point position of the screw rod 13. In the process, the second motor 23 is manually regulated and controlled to drive the laser probe 17 to rotate, so that the laser probe 17 always irradiates on the second target point position, until the laser beam moves backwards along with the laser probe 17, the laser beam is finally shielded by the photosensitive module 30, an electric signal can be sent, the operation of the first motor 3 is stopped, and the laser beam angle data at the moment can be read.
In this embodiment, the calibration mechanism 11 includes a top plate 32 and a lifting sleeve 33, the lifting sleeve 33 is mounted at the bottom of the top plate 32, the bottom of the lifting sleeve 33 is embedded into the guide hole 34, a groove 36 is formed in one side of the lifting sleeve 33, a reflecting plate 37 is embedded into the groove 36, two ends of the top plate 32 are inserted with a switching rod 35, the tail end of the switching rod 35 is inserted into a threaded hole formed in the top of the ranging box 1, the laser probe 17 is embedded into the groove 36 after moving along the screw rod 13, and a sealing gasket is attached to the inner wall of the groove 36. Based on the effect that the laser ranging module 12 can be controlled to horizontally move, the calibration mechanism 11 is installed at the opening position of the ranging box 1, so that when the laser ranging module 12 is directly moved to the rear end, the distance measurement is directly performed on the calibration mechanism 11, the actual measurement data acquired at the moment is read, and the measurement error condition of the laser equipment at the moment can be judged after the comparison with the standard distance data. Specifically, the first motor 3 controls the laser ranging module 12 to move to the innermost part of the ranging box 1, the lifting sleeve 33 is moved to the bottommost part by rotating the switching rod 35, the groove 36 can be positioned on the contour line of the laser probe 17, the laser ranging module 12 is locked by the locking assembly 10 again after rotation, the laser beam can be ensured to directly irradiate the reflecting plate 37 in the groove 36, the distance data acquired by the laser probe 17 at the moment can be acquired, and the data can be compared with the fixed data between the reflecting plate 37 and the rearmost end of the laser probe 17 during the manufacturing of the device, so that an error value can be acquired.
While the fundamental and principal features of the invention and advantages of the invention have been shown and described, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. The utility model provides a regional geography laser rangefinder, includes laser rangefinder body, its characterized in that: the utility model provides a laser rangefinder body includes rangefinder case (1), angle regulation and control subassembly (9), calibrating mechanism (11) and laser rangefinder module (12), the rear end of rangefinder case (1) is provided with backplate (2), the internally mounted of backplate (2) has first motor (3), the front end of rangefinder case (1) is provided with range window (6), preceding baffle (31) are installed to the bottom of range window (6), the inboard of preceding baffle (31) is connected with lead screw (13), the other end and the output fixed connection of first motor (3) of lead screw (13), the surface at lead screw (13) is installed to laser rangefinder module (12), angle regulation and control subassembly (9) set up the top at laser rangefinder module (12), and the mid-mounting of laser rangefinder module (12) has laser probe (17), spout (4) have been seted up at the top of rangefinder case (1), the inside of spout (4) is alternateed and is had locking component (10), angle regulation and control subassembly (9) follow the inside of spout (4) is passed the inside of box (1) and is installed at calibrating mechanism (11).
2. An area geographical laser ranging apparatus as set forth in claim 1, wherein: the side of range finding case (1) has been seted up bar hole (7), the scale mark (8) have been carved on range finding case (1) surface of bar hole (7) bottom, spacing groove (5) have been seted up to the both sides of spout (4), guiding hole (34) have been seted up to the top one end of range finding case (1), side blend stop (29) are installed to the inboard of range finding window (6), the centre of side blend stop (29) is provided with photosensitive module (30).
3. An area geographical laser ranging apparatus as set forth in claim 2, wherein: the tail end of the screw rod (13) is embedded into the surface of the front baffle plate (31) through a bearing, the side baffle strips (29) and the photosensitive modules (30) are symmetrically arranged on two sides of the screw rod (13), and laser beams emitted by the laser probe (17) are flush with the photosensitive modules (30).
4. An area geographical laser ranging apparatus as set forth in claim 2, wherein: the laser ranging module (12) comprises a laser probe (17) and a translation plate (14), an angle adjusting shaft (16) is arranged at the top of the translation plate (14), the laser probe (17) is arranged at the top of the angle adjusting shaft (16), a driving shaft (21) is arranged at the top of the laser probe (17), a threaded sleeve (15) is arranged at the bottom of the translation plate (14), and the threaded sleeve (15) is sleeved on the surface of the screw rod (13).
5. An area geographical laser ranging device as recited in claim 4, wherein: one side of the translation plate (14) is connected with an extension plate (18), the tail end of the extension plate (18) is provided with a lower hanging plate (19), and the tail end of the lower hanging plate (19) is provided with a marking plate (20).
6. An area geographic laser ranging apparatus as defined in claim 5, wherein: the lower hanging plate (19) is embedded into the strip-shaped hole (7), the marking plate (20) penetrates out of the strip-shaped hole (7), and the number marked by the scale mark (8) is horizontal included angle data between the laser beam irradiated by the edge of the ranging window (6) and the screw rod (13) at the position where the laser probe (17) is located.
7. An area geographical laser ranging device as recited in claim 4, wherein: the angle regulation and control assembly (9) comprises a second motor (23) and a driving shaft (21), the top of the driving shaft (21) is connected to the output end of the second motor (23), a first sliding plate (22) is arranged at the bottom of a shell of the second motor (23), the locking assembly (10) comprises a second sliding plate (26) and a locking bolt (27), and sliding blocks (28) are arranged at the bottoms of the first sliding plate (22) and the second sliding plate (26).
8. An area geographic laser ranging apparatus as defined in claim 7, wherein: every slider (28) all imbeds the inside of spacing groove (5), and the cross-section of spacing groove (5) and slider (28) all is "T" type structure, locking bolt (27) are worn out downwards from the intermediate position of second slide (26), the surface connection of drive shaft (21) has butt joint pole (24), butt joint hole (25) have been seted up to the end of butt joint pole (24), the inside of butt joint hole (25) is imbed to the end of locking bolt (27).
9. An area geographical laser ranging apparatus as set forth in claim 1, wherein: the calibrating mechanism (11) comprises a top plate (32) and a lifting sleeve (33), wherein the lifting sleeve (33) is arranged at the bottom of the top plate (32), the bottom of the lifting sleeve (33) is embedded into the guide hole (34), one side of the lifting sleeve (33) is provided with a groove (36), and the inside of the groove (36) is embedded with a reflecting plate (37).
10. An area geographical laser ranging apparatus as set forth in claim 9, wherein: the two ends of the top plate (32) are inserted with a switching rod (35), the tail end of the switching rod (35) is inserted into a threaded hole formed in the top of the ranging box (1), the laser probe (17) is embedded into the groove (36) after moving along the screw rod (13), and a sealing gasket is attached to the inner wall of the groove (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410338399.8A CN117930258B (en) | 2024-03-25 | 2024-03-25 | Regional geographic laser rangefinder equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410338399.8A CN117930258B (en) | 2024-03-25 | 2024-03-25 | Regional geographic laser rangefinder equipment |
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| CN117930258A true CN117930258A (en) | 2024-04-26 |
| CN117930258B CN117930258B (en) | 2024-05-24 |
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| CN202410338399.8A Active CN117930258B (en) | 2024-03-25 | 2024-03-25 | Regional geographic laser rangefinder equipment |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111103296A (en) * | 2020-01-20 | 2020-05-05 | 无锡市建筑工程质量检测中心 | Data measurement control processing device of non-contact detection system for quality of building outer wall surface |
| CN211061697U (en) * | 2019-08-17 | 2020-07-21 | 北京中铁诚业工程建设监理有限公司 | Laser distance measuring device |
| EP3998449A1 (en) * | 2019-07-09 | 2022-05-18 | Nippon Shokubai Co., Ltd. | Distance-measuring device and distance-measuring method |
| CN115524701A (en) * | 2022-10-18 | 2022-12-27 | 山东省国土测绘院 | Ground penetrating radar equipment for surveying and mapping engineering |
| CN117554934A (en) * | 2022-08-05 | 2024-02-13 | 上海禾赛科技有限公司 | Detection method and detection system for detection performance of laser radar |
-
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- 2024-03-25 CN CN202410338399.8A patent/CN117930258B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3998449A1 (en) * | 2019-07-09 | 2022-05-18 | Nippon Shokubai Co., Ltd. | Distance-measuring device and distance-measuring method |
| CN211061697U (en) * | 2019-08-17 | 2020-07-21 | 北京中铁诚业工程建设监理有限公司 | Laser distance measuring device |
| CN111103296A (en) * | 2020-01-20 | 2020-05-05 | 无锡市建筑工程质量检测中心 | Data measurement control processing device of non-contact detection system for quality of building outer wall surface |
| CN117554934A (en) * | 2022-08-05 | 2024-02-13 | 上海禾赛科技有限公司 | Detection method and detection system for detection performance of laser radar |
| CN115524701A (en) * | 2022-10-18 | 2022-12-27 | 山东省国土测绘院 | Ground penetrating radar equipment for surveying and mapping engineering |
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| CN117930258B (en) | 2024-05-24 |
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