CN111412359B - Road and bridge construction measuring device - Google Patents
Road and bridge construction measuring device Download PDFInfo
- Publication number
- CN111412359B CN111412359B CN202010308203.2A CN202010308203A CN111412359B CN 111412359 B CN111412359 B CN 111412359B CN 202010308203 A CN202010308203 A CN 202010308203A CN 111412359 B CN111412359 B CN 111412359B
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/08—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a vertical axis, e.g. panoramic heads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/16—Details concerning attachment of head-supporting legs, with or without actuation of locking members thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
- F16M11/28—Undercarriages for supports with one single telescoping pillar
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C3/00—Measuring distances in line of sight; Optical rangefinders
- G01C3/02—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M2200/00—Details of stands or supports
- F16M2200/02—Locking means
- F16M2200/021—Locking means for rotational movement
- F16M2200/024—Locking means for rotational movement by positive interaction, e.g. male-female connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M2200/00—Details of stands or supports
- F16M2200/02—Locking means
- F16M2200/025—Locking means for translational movement
- F16M2200/028—Locking means for translational movement by positive interaction, e.g. male-female connections
Abstract
The invention discloses a road and bridge construction measuring device which comprises a base and a laser range finder positioned above the base, wherein a vertical rod is fixedly arranged at the top of the base, a first groove is formed in the top end of the vertical rod, an adjusting rod is slidably arranged in the first groove, the top end of the adjusting rod extends to the upper side of the vertical rod and is fixedly provided with a fixed plate, a rotating groove is formed in the fixed plate, a rotating rod is rotatably arranged in the rotating groove, the top end of the rotating rod extends to the upper side of the fixed plate and is fixedly provided with a rotating plate, and the rotating plate is rotatably arranged on the fixed plate. The laser range finder has the advantages of reasonable design, convenience in height adjustment and fixation of the laser range finder, convenience for different workers to use, capability of measuring the distance of a bridge in multiple directions, strong flexibility and convenience for the workers to use.
Description
Technical Field
The invention relates to the technical field of measuring equipment, in particular to a road and bridge construction measuring device.
Background
In the construction of roads and bridges, the inevitable need to use a measuring tool to measure the length, thickness and levelness of roads and bridges, and through retrieval, the patent document with the publication number of CN208333325U discloses a measuring device for the construction of roads and bridges, wherein a base is vertically fixed with an upright post, the upright post is provided with a slide rail, the upright post is slidably connected with a slide block through the slide rail, the lower part of the slide block is sleeved with a press rod seat, one end of a horizontal press rod is fixed with a rotating shaft, the press rod seat is installed on the rotating shaft through a bearing, the outer end of the rotating shaft is fixed with a fine adjustment knob, and the end surface of the fine adjustment knob is provided with a scale layer; the upper surface of the horizontal pressure lever is embedded with a horizontal bubble; the slider on be fixed with the dipperstick shell, install the wind spring in the dipperstick shell, the one end of dipperstick is decided at the inner of wind spring, the other end of dipperstick is fixed on the base.
However, the design has the defects that when the laser range finder is required to be used for measuring distance transversely and longitudinally, the laser range finder is complex to adjust, and when the laser range finders with different heights are different, the laser range finder cannot be adjusted conveniently, so that the road and bridge construction measuring device is provided for solving the problems.
Disclosure of Invention
The invention aims to solve the problem that a laser range finder is inconvenient to adjust in the prior art, and provides a road and bridge construction measuring device.
In order to solve the problems in the prior art, the road and bridge construction measuring device comprises a base and a laser range finder positioned above the base, wherein a vertical rod is fixedly arranged at the top of the base, a first groove is formed at the top end of the vertical rod, a regulating rod is slidably arranged in the first groove, the top end of the regulating rod extends to the upper part of the vertical rod and is fixedly provided with a fixed plate, a rotating groove is formed in the fixed plate, a rotating rod is rotatably arranged in the rotating groove, the top end of the rotating rod extends to the upper part of the fixed plate and is fixedly provided with a rotating plate, the rotating plate is rotatably arranged on the fixed plate, the laser range finder is fixedly arranged on the rotating plate, a gear is fixedly sleeved on the rotating rod, second grooves are respectively formed in the inner walls of two sides of the rotating groove, the same transverse rod is slidably arranged in the second groove, a rack is fixedly arranged on one side of the transverse rod and is meshed with the gear, a connecting groove is formed in the inner wall of the bottom of the second groove, rotate on the both sides inner wall of spread groove and install same lead screw, the one end of lead screw extends to the outside and the fixed mounting of fixed plate has the handle, slidable mounting has the movable plate in the spread groove, and movable plate thread bush establishes on the lead screw, the top fixed mounting of movable plate is on the horizontal pole, a plurality of draw-in grooves have all been seted up to the both sides of adjusting the pole, all set up threaded hole on the both sides inner wall in first groove, the screw rod is installed to the screw hole internal thread, and screw rod and draw-in groove looks adaptation, the one end of screw rod extends to the outside and the fixed mounting of montant has the handle.
Preferably, first spacing grooves are formed in the inner walls of the other two sides of the first groove, first spacing seats are fixedly mounted on the other two sides of the adjusting rod, the first spacing seats are connected with the corresponding first spacing grooves in a sliding mode, and the adjusting rod can move stably due to the fact that the first spacing seats and the first spacing grooves are arranged.
Preferably, the number of the card slots located on the same side is six to ten, and the six to ten card slots are arranged at equal intervals.
Preferably, the fixed cover in bottom of dwang is equipped with the bearing, and the outer lane fixed mounting of bearing on the inner wall of rotating groove, owing to be provided with the bearing, can make the dwang carry out stable rotation.
Preferably, the top of the fixed plate is provided with an annular sliding groove, the bottom of the rotating plate is fixedly provided with a plurality of sliding blocks, and the sliding blocks are connected with the corresponding annular sliding grooves in a sliding manner.
Preferably, the inner walls of the two sides of the connecting groove are provided with second limiting grooves, the two sides of the moving plate are fixedly provided with second limiting seats, and the second limiting seats are connected with the corresponding second limiting grooves in a sliding mode.
Preferably, the rotating hole is formed in one side, close to each other, of each connecting groove, and the screw rod is rotatably connected with the rotating hole.
According to the road and bridge construction measuring device, when different people measure a bridge, due to the fact that the height is different, when the laser range finder is higher and lower, the use of workers is affected, the handle can drive the screw rod to rotate through rotating the handle, the screw rod can be separated from the corresponding clamping groove under the effect of the threaded hole, the fixing plate is moved, the fixing plate can drive the adjusting rod and the laser range finder to conduct height adjustment, after the laser range finder is moved to a proper position, the handle is rotated reversely, the screw rod can be reset and clamped into the corresponding clamping groove, the height adjustment and the fixation of the laser range finder can be conducted conveniently, and therefore the use of different workers is facilitated;
when needs carry out the range finding of a plurality of directions to the bridge, through turning handle, the lead screw that the handle can rotates, and the lead screw can drive the movable plate and move, and the movable plate can drive the horizontal pole and move, and the gear that the horizontal pole can pass through the rack rotates, and the gear can drive the rotor plate through the dwang and rotate, and the laser range finder that the rotor plate can rotates to can carry out the range finding of a plurality of directions to the bridge, the flexibility is strong, makes things convenient for the staff to use.
The laser range finder has the advantages of reasonable design, convenience in height adjustment and fixation of the laser range finder, convenience for different workers to use, capability of measuring the distance of a bridge in multiple directions, strong flexibility and convenience for the workers to use.
Drawings
In order to more clearly illustrate the present invention, embodiments will be briefly described below with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of a road and bridge construction measuring device provided by the invention;
FIG. 2 is a schematic structural view of part A of a road and bridge construction measuring device provided by the invention;
fig. 3 is a schematic structural diagram of part B of the road and bridge construction measuring device provided by the invention.
In the figure: 1. a base; 2. a vertical rod; 3. a laser range finder; 4. a first groove; 5. adjusting a rod; 6. a fixing plate; 7. a card slot; 8. a threaded hole; 9. a screw; 10. a rotating plate; 11. a rotating groove; 12. rotating the rod; 13. a second groove; 14. a cross bar; 15. a rack; 16. a gear; 17. connecting grooves; 18. moving the plate; 19. a screw rod; 20. a handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a road and bridge construction measuring device comprises a base 1 and a laser range finder 3 located above the base 1, wherein a vertical rod 2 is fixedly installed at the top of the base 1, a first groove 4 is formed at the top end of the vertical rod 2, an adjusting rod 5 is slidably installed in the first groove 4, the top end of the adjusting rod 5 extends to the upper side of the vertical rod 2 and is fixedly installed with a fixing plate 6, a rotating groove 11 is formed on the fixing plate 6, a rotating rod 12 is rotatably installed in the rotating groove 11, the top end of the rotating rod 12 extends to the upper side of the fixing plate 6 and is fixedly installed with a rotating plate 10, the rotating plate 10 is rotatably installed on the fixing plate 6, the laser range finder 3 is fixedly installed on the rotating plate 10, a gear 16 is fixedly sleeved on the rotating rod 12, second grooves 13 are respectively formed on the inner walls of two sides of the rotating groove 11, the same cross rod 14 is slidably installed in the second grooves 13, and a rack 15 is fixedly installed on one side of the cross rod 14, and rack 15 meshes with gear 16 mutually, spread groove 17 has been seted up on the bottom inner wall of second groove 13, rotate on the both sides inner wall of spread groove 17 and install same lead screw 19, the one end of lead screw 19 extends to the outside of fixed plate 6 and fixed mounting has handle 20, slidable mounting has movable plate 18 in spread groove 17, and movable plate 18 threaded bush is established on lead screw 19, the top fixed mounting of movable plate 18 is on horizontal pole 14, adjust the both sides of pole 5 and all seted up a plurality of draw-in grooves 7, threaded hole 8 has all been seted up on the both sides inner wall of first groove 4, threaded hole 8 internally threaded mounting has screw rod 9, and screw rod 9 and draw-in groove 7 looks adaptation, the one end of screw rod 9 extends to the outside of montant 2 and fixed mounting has the handle.
In the invention, the inner walls of the other two sides of the first groove 4 are respectively provided with a first limiting groove, the other two sides of the adjusting rod 5 are respectively fixedly provided with a first limiting seat, and the first limiting seats are in sliding connection with the corresponding first limiting grooves, so that the adjusting rod 5 can stably move due to the arrangement of the first limiting seats and the first limiting grooves.
In the invention, the number of the clamping grooves 7 positioned on the same side is six to ten, and the six to ten clamping grooves 7 are arranged at equal intervals.
In the invention, the bottom end of the rotating rod 12 is fixedly sleeved with the bearing, and the outer ring of the bearing is fixedly arranged on the inner wall of the rotating groove 11, so that the rotating rod 12 can stably rotate due to the bearing.
In the invention, the top of the fixed plate 6 is provided with an annular chute, the bottom of the rotating plate 10 is fixedly provided with a plurality of sliding blocks, and the sliding blocks are in sliding connection with the corresponding annular chute.
In the invention, the inner walls of the two sides of the connecting groove 17 are both provided with a second limiting groove, the two sides of the moving plate 18 are both fixedly provided with a second limiting seat, and the second limiting seats are in sliding connection with the corresponding second limiting grooves.
In the invention, the two connecting grooves 17 are provided with rotating holes at the sides close to each other, and the screw rod 19 is rotatably connected with the rotating holes.
In the invention, when different people measure the bridge, due to different heights, when the laser range finder 3 is higher and lower, the use of workers is influenced, therefore, the handle can drive the screw rods 9 to rotate by rotating the handle, the screw rods 9 can be separated from the corresponding clamping grooves 7 under the action of the threaded holes 8, the fixing plate 6 is moved, the fixing plate 6 can drive the adjusting rods 5 and the laser range finder 3 to carry out height adjustment, after the laser range finder 3 is moved to a proper position, the handle is rotated reversely, the screw rods 9 can be reset and clamped into the corresponding clamping grooves 7, so that the laser range finder 3 can be conveniently adjusted and fixed in height, the use of different workers is facilitated, when the bridge needs to be subjected to multi-direction ranging, the handle 20 can rotate the screw rods 19, and the screw rods 19 can drive the moving plate 18 to move, the movable plate 18 can drive the horizontal pole 14 to move, the horizontal pole 14 rotates through the gear 16 that rack 15 can, gear 16 can drive rotor plate 10 through dwang 12 and rotate, and laser range finder 3 that rotor plate 10 can rotate to can carry out the range finding of a plurality of directions to the bridge, the flexibility is strong, makes things convenient for the staff to use.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (1)
1. The utility model provides a road and bridge construction measuring device, it contains base (1) and laser range finder (3) that are located base (1) top, a serial communication port, the top fixed mounting of base (1) has montant (2), first groove (4) have been seted up on the top of montant (2), slidable mounting has regulation pole (5) in first groove (4), the top of adjusting pole (5) extends to the top of montant (2) and fixed mounting has fixed plate (6), rotating groove (11) have been seted up on fixed plate (6), dwang (12) are installed to rotating groove (11) internal rotation, the top of dwang (12) extends to the top of fixed plate (6) and fixed mounting has rotor plate (10), rotor plate (10) rotate and install on fixed plate (6), laser range finder (3) fixed mounting is on rotor plate (10), fixed cover is equipped with gear (16) on dwang (12), the inner walls of two sides of the rotating groove (11) are respectively provided with a second groove (13), the second groove (13) is internally provided with a same cross rod (14) in a sliding manner, one side of the cross rod (14) is fixedly provided with a rack (15), the rack (15) is meshed with a gear (16), the inner wall of the bottom of the second groove (13) is provided with a connecting groove (17), the inner walls of two sides of the connecting groove (17) are rotatably provided with a same screw rod (19), one end of the screw rod (19) extends to the outer side of the fixed plate (6) and is fixedly provided with a handle (20), the connecting groove (17) is internally provided with a movable plate (18) in a sliding manner, the movable plate (18) is sleeved on the screw rod (19) in a threaded manner, the top end of the movable plate (18) is fixedly arranged on the cross rod (14), two sides of the adjusting rod (5) are respectively provided with a plurality of clamping grooves (7), the inner walls of two sides of the first groove (4) are respectively provided with a threaded hole (8), a screw rod (9) is installed in the threaded hole (8) through internal threads, the screw rod (9) is matched with the clamping groove (7), one end of the screw rod (9) extends to the outer side of the vertical rod (2) and is fixedly provided with a handle;
the inner walls of the other two sides of the first groove (4) are respectively provided with a first limiting groove, the other two sides of the adjusting rod (5) are respectively fixedly provided with a first limiting seat, and the first limiting seats are connected with the corresponding first limiting grooves in a sliding manner;
the number of the clamping grooves (7) positioned on the same side is six to ten, and the six to ten clamping grooves (7) are arranged at equal intervals;
a bearing is fixedly sleeved at the bottom end of the rotating rod (12), and the outer ring of the bearing is fixedly arranged on the inner wall of the rotating groove (11);
the top of the fixed plate (6) is provided with an annular sliding chute, the bottom of the rotating plate (10) is fixedly provided with a plurality of sliding blocks, and the sliding blocks are in sliding connection with the corresponding annular sliding chutes;
second limiting grooves are formed in the inner walls of the two sides of the connecting groove (17), second limiting seats are fixedly mounted on the two sides of the moving plate (18), and the second limiting seats are connected with the corresponding second limiting grooves in a sliding mode;
the two connecting grooves (17) are provided with a rotating hole at one side close to each other, and the screw rod (19) is rotatably connected with the rotating hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010308203.2A CN111412359B (en) | 2020-04-18 | 2020-04-18 | Road and bridge construction measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010308203.2A CN111412359B (en) | 2020-04-18 | 2020-04-18 | Road and bridge construction measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111412359A CN111412359A (en) | 2020-07-14 |
| CN111412359B true CN111412359B (en) | 2021-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010308203.2A Active CN111412359B (en) | 2020-04-18 | 2020-04-18 | Road and bridge construction measuring device |
Country Status (1)
| Country | Link |
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| CN (1) | CN111412359B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2442070A1 (en) * | 2010-10-12 | 2012-04-18 | SP Sveriges Tekniska Forskningsinstitut AB | Arrangement for levelling out environmental conditions around a levelling support of a geodetic instrument |
| CN202252697U (en) * | 2011-07-27 | 2012-05-30 | 北京京东方光电科技有限公司 | Installation support and display device composed of installation support |
| CN107448741A (en) * | 2017-07-28 | 2017-12-08 | 合肥捌零年代网络科技有限公司 | A kind of camera fixed support with regulatory function |
| CN107478192A (en) * | 2016-06-08 | 2017-12-15 | 京信通信技术(广州)有限公司 | Azimuth measuring device, antenna, azimuth angle measurement system and measuring method |
| CN207050737U (en) * | 2017-08-31 | 2018-02-27 | 申永胜 | A kind of special regulatable construction survey device of road and bridge |
| CN208075849U (en) * | 2018-03-22 | 2018-11-09 | 红河学院 | A kind of geographical measurement mapping equipment easy to remove |
| CN108799722A (en) * | 2018-06-27 | 2018-11-13 | 河南孚点电子科技有限公司 | A kind of display facilitating adjusting |
| CN209069283U (en) * | 2018-11-27 | 2019-07-05 | 山东建材勘察测绘研究院有限公司 | A kind of engineering Multifunctional mapping instrument |
| CN209446052U (en) * | 2019-02-19 | 2019-09-27 | 温州创谋三维设计有限公司 | It is a kind of to facilitate the optical measurement bracket for adjusting and using position |
-
2020
- 2020-04-18 CN CN202010308203.2A patent/CN111412359B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2442070A1 (en) * | 2010-10-12 | 2012-04-18 | SP Sveriges Tekniska Forskningsinstitut AB | Arrangement for levelling out environmental conditions around a levelling support of a geodetic instrument |
| CN202252697U (en) * | 2011-07-27 | 2012-05-30 | 北京京东方光电科技有限公司 | Installation support and display device composed of installation support |
| CN107478192A (en) * | 2016-06-08 | 2017-12-15 | 京信通信技术(广州)有限公司 | Azimuth measuring device, antenna, azimuth angle measurement system and measuring method |
| CN107448741A (en) * | 2017-07-28 | 2017-12-08 | 合肥捌零年代网络科技有限公司 | A kind of camera fixed support with regulatory function |
| CN207050737U (en) * | 2017-08-31 | 2018-02-27 | 申永胜 | A kind of special regulatable construction survey device of road and bridge |
| CN208075849U (en) * | 2018-03-22 | 2018-11-09 | 红河学院 | A kind of geographical measurement mapping equipment easy to remove |
| CN108799722A (en) * | 2018-06-27 | 2018-11-13 | 河南孚点电子科技有限公司 | A kind of display facilitating adjusting |
| CN209069283U (en) * | 2018-11-27 | 2019-07-05 | 山东建材勘察测绘研究院有限公司 | A kind of engineering Multifunctional mapping instrument |
| CN209446052U (en) * | 2019-02-19 | 2019-09-27 | 温州创谋三维设计有限公司 | It is a kind of to facilitate the optical measurement bracket for adjusting and using position |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111412359A (en) | 2020-07-14 |
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