CN214147156U - Surveying instrument adjusting device for engineering - Google Patents
Surveying instrument adjusting device for engineering Download PDFInfo
- Publication number
- CN214147156U CN214147156U CN202023127395.1U CN202023127395U CN214147156U CN 214147156 U CN214147156 U CN 214147156U CN 202023127395 U CN202023127395 U CN 202023127395U CN 214147156 U CN214147156 U CN 214147156U
- Authority
- CN
- China
- Prior art keywords
- seat
- adjusting device
- surveying instrument
- fixedly connected
- fixed connection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000003028 elevating effect Effects 0.000 claims abstract description 11
- 125000003003 spiro group Chemical group 0.000 claims description 4
- 238000013507 mapping Methods 0.000 abstract description 29
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Landscapes
- Details Of Measuring And Other Instruments (AREA)
Abstract
The utility model relates to a survey and drawing apparatus technical field just discloses a surveying instrument adjusting device for engineering, the on-line screen storage device comprises a base, base top and support bottom fixed connection, support top and connecting rod middle part fixed connection, connecting rod left end and guide holder right side middle part fixed connection, elevating gear is installed to the front side of guide holder, and the guide holder is passed at elevating gear's top, the top of guide holder is provided with the roating seat. This surveying instrument adjusting device for engineering through the cooperation of elevating gear, first deflection frame and second deflection frame and roating seat for the device conveniently carries out lift adjustment, level (l) ing and rotation regulation, has improved the convenience of adjusting surveying and mapping equipment in the user survey and drawing, has improved the work efficiency that the user measured the survey and drawing, through the cooperation of pointer and roating seat, makes things convenient for controlling means's rotation angle for the user, has improved the accuracy of device regulation.
Description
Technical Field
The utility model relates to a surveying and mapping apparatus technical field specifically is a surveying and mapping instrument adjusting device for engineering.
Background
The condition that the instrument deflection often appears in the in-process that surveying instrument used, instrument height is not enough, and rotation angle is difficult to adjust needs to adjust with the help of surveying instrument adjusting device for the engineering. Traditional surveying instrument adjusting device for engineering is mostly fixed supporting structure, and its function is comparatively single, uses comparatively inconveniently in open-air survey and drawing process.
Chinese patent publication No. CN210510880U provides a surveying instrument adjusting device for building engineering, can make the mount pad reach the horizontality through adjusting sleeve for the survey and drawing precision is higher, but this kind of surveying instrument adjusting device for building engineering's horizontal adjustment scope is less, and is relatively poor to the suitability of rugged environment.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a surveying instrument adjusting device for engineering, the horizontal adjustment scope of having solved this kind of surveying instrument adjusting device for building engineering is less, to the relatively poor problem of suitability of rugged environment.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a surveying instrument adjusting device for engineering, includes the base, base top and support bottom fixed connection, support top and connecting rod middle part fixed connection, connecting rod left end and guide holder right side middle part fixed connection, elevating gear is installed to the front side of guide holder, and the guide holder is passed at elevating gear's top, the top of guide holder is provided with the roating seat, the middle part of roating seat is rotated with elevating gear's top and is connected, the upper surface of roating seat and the bottom fixed connection of first deflection frame, the second deflection frame is installed at the top of first deflection frame, the right-hand member of connecting rod and the bottom fixed connection of pointer, the top and the roating seat bottom of pointer contact, and the axle right side of falling T is tangent with the roating seat lateral wall.
Preferably, the bottom of the outer surface of the rotating seat is provided with angle scales, the top of the pointer is conical, and the top of the pointer points to scale marks at the bottom of the rotating seat.
Preferably, the lifting device comprises a motor, the motor is in threaded connection with the front side of the guide seat, the output end of the guide seat is connected with the top end of the rotating arm in a clamping manner, the bottom end of the rotating arm is rotatably connected with the top end of the lifting arm, the bottom end of the lifting arm is rotatably connected with the bottom end of the lifting rod, the top end of the lifting rod penetrates through the top of the guide seat and is rotatably connected with the middle of the rotating seat, and the lifting rod is located above the base.
Preferably, first deflector includes two sets of rungs and a set of threaded rod, and is two sets of the bottom of rungs all with the right side fixed connection at roating seat top, two sets of the top of rungs rotates with the bottom front end of falling T axle and bottom rear end respectively and is connected, the bottom and the roating seat top left side fixed connection of threaded rod, the surface of threaded rod and the middle part spiro union of layer board, the top and the sheathed tube bottom of layer board contact, the top of threaded rod is passed sheathed tube bottom and is stretched into to the cover intraductal side, sheathed tube top and the top of falling T axle respectively with second deflector bottom left side and right side fixed connection.
Preferably, the second deflector comprises an arc-shaped seat, the bottom of the arc-shaped seat is fixedly connected with the sleeve and the inverted T-shaped shaft respectively, arc-shaped grooves are formed in the left side and the right side of the top of the arc-shaped seat and are connected with the bottom of the sliding block in a sliding mode, the tops of the sliding blocks are fixedly connected with the left side and the right side of the bottom of the mounting plate respectively, the middle of the front side and the middle of the rear side of the mounting plate are rotatably connected with the two ends of a worm respectively, a half worm wheel is arranged at the bottom of the worm, the moduli of the worm and the half worm wheel are equal, and the bottom of the half worm wheel is fixedly connected with the middle of the arc-shaped seat.
Preferably, the upper surface of mounting panel is provided with anti-skidding line, and four groups screw holes have been seted up at the top of mounting panel, the bottom of base evenly is provided with three groups and inserts the axle, inserts the top and the base bottom fixed connection of axle, and the bottom of inserting the axle sets up to conical.
(III) advantageous effects
Compared with the prior art, the utility model provides a surveying instrument adjusting device for engineering possesses following beneficial effect:
1. this surveying instrument adjusting device for engineering through the cooperation of elevating gear, first deflection frame and second deflection frame and roating seat for the device conveniently carries out lift adjustment, level (l) ing and rotation regulation, has improved the convenience of adjusting surveying and mapping equipment in the user survey and drawing, has improved the work efficiency that the user measured the survey and drawing, through the cooperation of pointer and roating seat, makes things convenient for controlling means's rotation angle for the user, has improved the accuracy of device regulation.
2. This surveying instrument adjusting device for engineering, drive the swinging boom through the motor output and deflect, and the swinging boom, carry the cooperation of arm and lifter, make the lifter can carry out the removal of vertical direction along the guide holder automatically among the elevating gear, and then make surveying equipment be in the height that the person of facilitating the use operated, and improved the convenience that the device goes up and down to adjust, through the cooperation of inserting axle and base, make the installation of device fixed comparatively stable, through the cooperation of mounting panel and surveying equipment, make placing of surveying equipment comparatively stable.
3. This surveying instrument adjusting device for engineering drives the second deflection frame through first deflection frame and carries out the slope transform of left right direction to and the slope transform of second deflection frame drive survey and drawing equipment carrying out the fore-and-aft direction, conveniently adjusts the surveying and mapping equipment at mounting panel top to being in the level, thereby make the device install still can be comparatively accurate when comparatively rugged ground survey and drawing, improved the accuracy that surveying and mapping operation and device used.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the lifting device of the present invention;
fig. 3 is a schematic structural view of a first deflection frame and a second deflection frame of the present invention;
fig. 4 is a cross-sectional view of the threaded rod of the present invention.
In the figure: 1. a base; 2. a support; 3. a connecting rod; 4. a guide seat; 5. a rotating base; 6. a motor; 7. a rotating arm; 8. lifting the arm; 9. a lifting rod; 10. a rotating frame; 11. a reverse T axis; 12. an arc-shaped seat; 13. a sleeve; 14. a support plate; 15. a threaded rod; 16. an arc-shaped slot; 17. a slider; 18. mounting a plate; 19. a worm; 20. a half worm gear; 21. a pointer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: an adjusting device of a surveying instrument for engineering comprises a base 1, wherein the top of the base 1 is fixedly connected with the bottom of a support 2, the top of the support 2 is fixedly connected with the middle part of a connecting rod 3, the left end of the connecting rod 3 is fixedly connected with the middle part of the right side of a guide seat 4, a lifting device is arranged on the front side of the guide seat 4, the top of the lifting device penetrates through the guide seat 4, a rotating seat 5 is arranged on the top of the guide seat 4, the middle part of the rotating seat 5 is rotatably connected with the top of the lifting device, the upper surface of the rotating seat 5 is fixedly connected with the bottom of a first deflection frame, a second deflection frame is arranged on the top of the first deflection frame, the device is convenient to carry out lifting adjustment, horizontal adjustment and rotary adjustment through the matching of the lifting device, the first deflection frame and the second deflection frame with the rotating seat 5, the convenience for adjusting surveying and mapping equipment in the surveying and mapping of a user is improved, and the working efficiency for surveying and mapping of the user is improved, the right-hand member of connecting rod 3 and pointer 21's bottom fixed connection, pointer 21's top contacts with 5 bottoms of roating seat, and it is tangent with 5 lateral walls of roating seat to fall the 11 right sides of T axle, the bottom of 5 surfaces of roating seat is provided with the angle scale, pointer 21's top sets up to the toper, and pointer 21 top 5 bottom scale marks of directional roating seat, cooperation through pointer 21 and roating seat 5 for the user makes things convenient for controlling means's rotation angle, the accuracy of device regulation has been improved.
Concretely, in order to improve the convenience of device lift adjustment, elevating gear includes motor 6, motor 6 and 4 front sides spiro couplings of guide holder, 4 output of guide holder and 7 top joints of swinging boom, 7 bottoms of swinging boom and carry 8 tops of arm to rotate to be connected, carry 8 bottoms of arm to rotate to be connected with lifter 9 bottom, lifter 9 top is passed the 4 tops of guide holder and is connected with the middle part rotation of roating seat 5, lifter 9 is located base 1 top, drive 7 deflections of swinging boom through the motor 6 output, and swinging boom 7, carry the cooperation of arm 8 and lifter 9, make lifter 9 can carry out the removal of vertical direction along guide holder 4 automatically among the elevating gear, and then make surveying and mapping equipment be in the height that the person of facilitating the use operated.
Specifically, in order to improve the accuracy of surveying and mapping operations and device use, the first deflection frame comprises two groups of rotating frames 10 and a group of threaded rods 15, the bottoms of the two groups of rotating frames 10 are fixedly connected with the right side of the top of the rotating base 5, the tops of the two groups of rotating frames 10 are respectively rotatably connected with the front end of the bottom of the inverted T-shaped shaft 11 and the rear end of the bottom of the inverted T-shaped shaft 11, the bottom end of the threaded rod 15 is fixedly connected with the left side of the top of the rotating base 5, the outer surface of the threaded rod 15 is in threaded connection with the middle of the supporting plate 14, the top of the supporting plate 14 is in contact with the bottom of the sleeve 13, the top end of the threaded rod 15 penetrates through the bottom of the sleeve 13 and extends into the inner side of the sleeve 13, the top end of the sleeve 13 and the top end of the inverted T-shaped shaft 11 are respectively fixedly connected with the left side and the right side of the bottom of the second deflection frame, the second deflection frame comprises an arc-shaped base 12, the bottom of the arc-shaped base 12 is respectively fixedly connected with the sleeve 13 and the inverted T-shaped shaft 11, the left side and the right side of the top of the arc-shaped base 12 are respectively provided with arc-shaped grooves 16, arc groove 16 and slider 17 bottom sliding connection, the top of two sets of sliders 17 respectively with mounting panel 18 bottom left side and right side fixed connection, mounting panel 18 front side middle part and rear side middle part rotate with the both ends of worm 19 respectively and are connected, the bottom of worm 19 is provided with half worm wheel 20, worm 19 and half worm wheel 20 modulus equal, half worm wheel 20 bottom and arc seat 12 middle part fixed connection, it carries out the slope transform of left and right directions to drive the second deflection frame through first deflection frame, and the slope transform that the equipment was painted to the drive survey of second deflection frame was carried out the fore-and-aft direction, conveniently adjust the surveying and mapping equipment at mounting panel 18 top to being in the level, thereby make the device install in still can be comparatively accurate when comparatively rugged ground measure the survey and mapping, survey and map operation and the accuracy that the device used have been improved.
Specifically, for making placing of mapping equipment comparatively stable, the upper surface of mounting panel 18 is provided with anti-skidding line, and four group's screw holes have been seted up at the top of mounting panel 18, make mapping equipment utilize the fix with screw on mounting panel 18, and reduced mapping equipment's slip, base 1's bottom evenly is provided with three group's axle of inserting, the top and the base 1 bottom fixed connection of inserting the axle, and the bottom of inserting the axle sets up to the taper shape, through the cooperation of inserting axle and base 1, make the installation of device fixed comparatively stable.
The working principle is as follows: after the user moves the device to a proper position, the device is fixed on the ground through three groups of insertion shafts at the bottom of the base 1, then the surveying and mapping equipment is installed at the top of the installation plate 18, then the lifting device is started, the output end of the motor 6 in the lifting device drives the rotating arm 7 to deflect, further the bottom end of the rotating arm 7 pulls the top end of the lifting arm 8 to move, the included angle between the bottom end of the lifting arm 8 and the lifting rod 9 is changed in the upward moving process through the rotating fit between the bottom end of the rotating arm 7 and the top end of the lifting arm 8 and the rotating fit between the bottom end of the lifting arm 8 and the bottom end of the lifting rod 9, the lifting rod 9 can be pushed to move along the guide seat 4, the rotating seat 5 and the surveying and mapping equipment are driven to move along with the rotating seat until the surveying and mapping equipment moves to a proper height for the user, then the user rotates the supporting plate 14 in the first deflection frame, and the supporting plate 14 moves along the threaded rod 15, and then the sleeve 13 is pushed to move upwards or downwards, so that the top end of the sleeve 13 pushes the second deflector to move on the left side, the second deflector and the surveying and mapping equipment are subjected to angle transformation by taking the inverted T-shaped shaft 11 as a center, the left or right inclination angle of the surveying and mapping equipment is changed, then a user rotates the worm 19, the outer side tooth-shaped structure of the worm 19 extends into the top tooth-shaped structure of the half-worm wheel 20, and the worm 19 can move along the radial direction of the half-worm wheel 20 in the rotating process, so that the second deflector can drive the surveying and mapping equipment to tilt forwards or backwards until the equipment is horizontal.
To sum up, the surveying instrument adjusting device for engineering is convenient for lifting adjustment, horizontal adjustment and rotation adjustment through the cooperation of the lifting device, the first deflection frame, the second deflection frame and the rotary base 5, improves the convenience for adjusting surveying and mapping equipment in user surveying and mapping, improves the working efficiency of user surveying and mapping, facilitates the rotation angle of the control device for a user through the cooperation of the pointer 21 and the rotary base 5, improves the accuracy of device adjustment, drives the rotating arm 7 to deflect through the output end of the motor 6, and enables the lifting rod 9 in the lifting device to automatically move in the vertical direction along the guide base 4 through the cooperation of the rotating arm 7, the lifting arm 8 and the lifting rod 9, so that the surveying and mapping equipment is positioned at the height convenient for the user to operate, improves the convenience for lifting adjustment of the device, and through the cooperation of the inserting shaft and the base 1, make the installation of device fixed comparatively stable, cooperation through mounting panel 18 and mapping equipment, make mapping equipment place comparatively stable, drive the slope transform that the second deflection frame carries out the left right direction through first deflection frame, and the slope transform that the equipment was painted to the survey of second deflection frame drive carries out the fore-and-aft direction, the mapping equipment at mounting panel 18 top is conveniently adjusted to being in the level, thereby make the device install still can comparatively accurate survey and drawing when comparatively rugged ground, the accuracy of surveying and drawing operation and device use has been improved.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a surveying instrument adjusting device for engineering, includes base (1), its characterized in that: the top of the base (1) is fixedly connected with the bottom of the bracket (2), the top of the bracket (2) is fixedly connected with the middle part of the connecting rod (3), the left end of the connecting rod (3) is fixedly connected with the middle part of the right side of the guide seat (4), the front side of the guide seat (4) is provided with a lifting device, the top of the lifting device penetrates through the guide seat (4), the top of the guide seat (4) is provided with a rotating seat (5), the middle part of the rotating seat (5) is rotationally connected with the top of the lifting device, the upper surface of the rotating seat (5) is fixedly connected with the bottom of the first deflection frame, the top of the first deflection frame is provided with a second deflection frame, the right end of the connecting rod (3) is fixedly connected with the bottom of the pointer (21), the top of the pointer (21) is in contact with the bottom of the rotating seat (5), and the right side of the inverted T-shaped shaft (11) is tangent to the outer side wall of the rotating seat (5).
2. An adjusting device for engineering surveying instrument according to claim 1, characterized in that: the bottom of roating seat (5) surface is provided with the angle scale, the top of pointer (21) sets up to the toper, and pointer (21) top point roating seat (5) bottom scale mark.
3. An adjusting device for engineering surveying instrument according to claim 1, characterized in that: elevating gear includes motor (6), motor (6) and guide holder (4) front side spiro union, guide holder (4) output and swinging boom (7) top joint, swinging boom (7) bottom is rotated with lift arm (8) top and is connected, lift arm (8) bottom is rotated with lifter (9) bottom and is connected, lifter (9) top is passed guide holder (4) top and is rotated with the middle part of roating seat (5) and is connected, lifter (9) are located base (1) top.
4. An adjusting device for engineering surveying instrument according to claim 1, characterized in that: first deflector frame includes two sets of rungs (10) and a set of threaded rod (15), and is two sets of the bottom of rungs (10) all with the right side fixed connection at roating seat (5) top, two sets of the top of rungs (10) is rotated with the bottom front end and the bottom rear end of falling T axle (11) respectively and is connected, the bottom and the roating seat (5) top left side fixed connection of threaded rod (15), the surface of threaded rod (15) and the middle part spiro union of layer board (14), the top of layer board (14) contacts with the bottom of sleeve pipe (13), the bottom of sleeve pipe (13) is passed and is stretched into to sleeve pipe (13) inboard in the top of sleeve pipe (15) and the top of falling T axle (11) respectively with second deflector frame bottom left side and right side fixed connection.
5. An adjusting device for engineering surveying instrument according to claim 4, characterized in that: the second deflection frame comprises an arc-shaped seat (12), the bottom of the arc-shaped seat (12) is fixedly connected with a sleeve (13) and an inverted T-shaped shaft (11) respectively, arc-shaped grooves (16) are formed in the left side and the right side of the top of the arc-shaped seat (12), the arc-shaped grooves (16) are slidably connected with the bottoms of sliding blocks (17), the tops of the sliding blocks (17) are fixedly connected with the left side and the right side of the bottom of a mounting plate (18) respectively, the middle of the front side and the middle of the rear side of the mounting plate (18) are rotatably connected with the two ends of a worm (19) respectively, a half worm wheel (20) is arranged at the bottom of the worm (19), the moduli of the worm (19) and the half worm wheel (20) are equal, and the bottom of the half worm wheel (20) is fixedly connected with the middle of the arc-shaped seat (12).
6. An adjusting device for engineering surveying instrument according to claim 5, characterized in that: the upper surface of mounting panel (18) is provided with anti-skidding line, and four group's screw holes have been seted up at the top of mounting panel (18), the bottom of base (1) evenly is provided with three groups and inserts the axle, inserts the top and base (1) bottom fixed connection of axle, and the bottom of inserting the axle sets up to conical.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202023127395.1U CN214147156U (en) | 2020-12-22 | 2020-12-22 | Surveying instrument adjusting device for engineering |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202023127395.1U CN214147156U (en) | 2020-12-22 | 2020-12-22 | Surveying instrument adjusting device for engineering |
Publications (1)
Publication Number | Publication Date |
---|---|
CN214147156U true CN214147156U (en) | 2021-09-07 |
Family
ID=77530139
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202023127395.1U Expired - Fee Related CN214147156U (en) | 2020-12-22 | 2020-12-22 | Surveying instrument adjusting device for engineering |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN214147156U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116625290A (en) * | 2023-07-24 | 2023-08-22 | 四川交通职业技术学院 | Portable tunnel measuring instrument |
CN117108892A (en) * | 2023-10-19 | 2023-11-24 | 泰安市金土地测绘整理有限公司 | Ground levelness mapping equipment for mapping engineering |
-
2020
- 2020-12-22 CN CN202023127395.1U patent/CN214147156U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116625290A (en) * | 2023-07-24 | 2023-08-22 | 四川交通职业技术学院 | Portable tunnel measuring instrument |
CN116625290B (en) * | 2023-07-24 | 2023-09-29 | 四川交通职业技术学院 | Portable tunnel measuring instrument |
CN117108892A (en) * | 2023-10-19 | 2023-11-24 | 泰安市金土地测绘整理有限公司 | Ground levelness mapping equipment for mapping engineering |
CN117108892B (en) * | 2023-10-19 | 2024-02-02 | 泰安市金土地测绘整理有限公司 | Ground levelness mapping equipment for mapping engineering |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN214147156U (en) | Surveying instrument adjusting device for engineering | |
CN110762361A (en) | Automatic change monitoring total powerstation | |
CN115184068A (en) | Oil development surveys device | |
CN213245373U (en) | Surveying instrument support for surveying and mapping | |
CN214147284U (en) | Surveying and mapping support for uneven ground | |
CN219318113U (en) | Portable geological survey engineering survey instrument | |
CN209841039U (en) | Multifunctional measuring device for highway design | |
CN215177695U (en) | A sopwith staff for land resource survey and drawing usefulness | |
CN218153186U (en) | Building engineering detects with subsiding detection device | |
CN115839207A (en) | Soil layer drilling equipment for exploration with multiple spot drilling function | |
CN213274166U (en) | Civil engineering distancer | |
CN213836329U (en) | Be suitable for wide public road bridge roof beam construction and use support bracket | |
CN212903206U (en) | Measuring device with horizontal adjusting function for electric power engineering exploration | |
CN221055726U (en) | Deformation detection device for construction engineering detection | |
CN112539738A (en) | Building straightness detection instrument that hangs down | |
CN221372289U (en) | CFG pile bearing capacity detection structure | |
CN220819007U (en) | Urban road is with survey and drawing sighting rod | |
CN212747592U (en) | Measuring instrument for building construction | |
CN220397087U (en) | Survey and mapping fixed point device | |
CN219282900U (en) | Topography mapping device | |
CN220551721U (en) | Geographic information survey and drawing target | |
CN214537909U (en) | Adjustable measuring tool for building engineering management | |
CN216307332U (en) | Surveying instrument mounting seat for surveying and mapping | |
CN217764851U (en) | High-precision laser measuring device | |
CN215261743U (en) | Inclination measuring device for geological survey |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210907 |
|
CF01 | Termination of patent right due to non-payment of annual fee |