CN113514044B - Surveying and mapping instrument support frame for engineering surveying and mapping and using method - Google Patents
Surveying and mapping instrument support frame for engineering surveying and mapping and using method Download PDFInfo
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- CN113514044B CN113514044B CN202110984032.XA CN202110984032A CN113514044B CN 113514044 B CN113514044 B CN 113514044B CN 202110984032 A CN202110984032 A CN 202110984032A CN 113514044 B CN113514044 B CN 113514044B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
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Abstract
The invention discloses a support frame of a surveying and mapping instrument for engineering surveying and mapping and a using method thereof, the support frame comprises a support frame body fixing mechanism, three groups of fixing mechanisms are arranged on the fixing mechanism, each group of fixing mechanism comprises a clamping box, a moving plate, a rotating part, a pushing part, three positioning pipes, three groups of linkage parts and three groups of moving rods, the clamping box is rotationally connected to the support frame body through an adjusting gear, the moving plate is slidably embedded between the inner walls of the clamping box, the rotating part is arranged on the moving plate, the fixed gear is driven to rotate through the rotation of a fixing motor and is linked with gears, so that a connecting gear can be rotated, the fixed rack drives the moving rods to move, the stability of the support frame body is improved, two fixed blocks can be moved on a bidirectional threaded rod through the rotation of the bidirectional threaded rod, an upper connecting plate and a lower connecting plate are driven to move, the upper connecting plate and the lower connecting plate can be driven to be close to or far away from each other, and the angle between fixed support legs on the support frame body can be conveniently adjusted by a user.
Description
Technical Field
The invention belongs to the technical field of engineering surveying and mapping, and particularly relates to a surveying and mapping instrument support frame for engineering surveying and mapping and a using method thereof.
Background
Surveying and mapping projects mainly research basic knowledge and skills in aspects of surveying and mapping, space precision positioning and navigation, city and engineering construction, measurement projects of the basic knowledge and skills, measurement of various information such as space, geodesy, geological structure and the like, and drawing of a topographic map are frequently performed in field operations, for example: the surveying instrument is an instrument and a device for data acquisition, processing, output and the like designed and manufactured for surveying and mapping operation, and is used for various aspects of orientation, distance measurement, angle measurement, height measurement, mapping, photogrammetry and the like required by measurement in the planning, design, construction and operation management stages in the engineering construction.
Present surveying instrument support frame is direct with support frame side to ground in the in-service use, when receiving external force, empty easily, lead to surveying instrument to damage, lead to its stability not good, and do not protect the sharp part in the bottom to the support frame at the removal in-process to the support frame, cause the damage to other people easily, there is certain danger, current surveying instrument support frame is through the manual angle of adjusting fixed landing leg one by one simultaneously, make fixed landing leg be in with the horizontal plane, it adjusts the precision not high, lead to its operation comparatively troublesome.
Disclosure of Invention
The invention aims to: through opening fixed motor, fixed motor rotates and drives the fixed gear and rotate, transmission through the cingulum can make the fixed gear drive linkage gear and rotate, linkage gear rotates and to drive the dwang and rotate, the dwang rotates and to drive the running gear and rotate, through the meshing of running gear and installation gear, can make the installation gear rotate, drive connecting rod and connection gear rotation simultaneously, through the meshing of connecting gear and fixed rack, can make fixed rack and carriage release lever remove, the carriage release lever removes the registration arm and fixes the support frame body, increase the stability of support frame body, can protect the bottom of support frame body through the block case, through twisting the turning block, the turning block rotates and drives two-way threaded rod and rotates, through two-way threaded rod rotation, can make two fixed blocks move on two-way threaded rod, drive the connecting piece simultaneously and remove, thereby drive upper junction plate and lower removal connecting plate, through the direction difference that rotates two-way threaded rod, can realize that drive upper junction plate and lower connecting plate and be close to each other or keep away from each other, when adjusting the support frame body to suitable angle, can the person of facilitating the use fast angle between the adjustment on the support frame body.
The technical scheme adopted by the invention is as follows: a surveying instrument support frame for engineering surveying and mapping, comprising:
a support frame body;
fixed establishment, fixed establishment is provided with three groups altogether, every group fixed establishment includes block case, movable plate, rotatable parts, promotion part, three registration arm, three group's linkage part and three carriage release levers, the block case passes through adjusting gear and rotates to be connected on the support frame body, the movable plate slides to inlay and locates between the inner wall of block case, rotatable parts sets up on the movable plate, promotion part sets up in one side inside gauge wall of block case, and promotes part and movable plate connection, three group the linkage part sets up respectively in three registration arm, and is three the one end of registration arm all with movable plate fixed connection, three group the carriage release lever slides respectively to inlay and locates between the inner wall of three location.
Wherein, every group the linkage part includes dwang, transmitting gear, three installation gear, three connecting gear and three connecting rod, and is three the moving of connecting rod is connected between the inner wall of registration arm, and is three the fixed cover is equipped with connecting gear and installation gear respectively in the surface of connecting rod, the one end and the movable plate of dwang rotate to be connected, and the one end of dwang runs through in the movable plate, the outer fixed surface cover of dwang is equipped with transmitting gear, and transmitting gear and three installation gear intermeshing.
The number of the moving rods in each group is three, a fixed rack is fixedly connected to the outer surface of one side of each moving rod, and each fixed rack is meshed with a connecting gear.
Each group of rotating parts comprises a fixed motor, three linkage gears and a fixed gear, the fixed motor is fixedly connected with the movable plate through a connecting plate, the fixed gear is fixedly sleeved at the output end of the fixed motor, the linkage gears are respectively and fixedly sleeved at one ends of the three rotating rods, and the three linkage gears and the fixed gear are in transmission through toothed belts.
Wherein, every group the promotion part includes electric telescopic handle and three fixed telescopic link, electric telescopic handle and three fixed telescopic link's one end all with one side inside surface wall fixed connection of block case, electric telescopic handle's extension end and movable plate fixed connection, it is three fixed telescopic link's extension end rotates with the one end of three dwang respectively and is connected.
Wherein, every the equal fixedly connected with universal wheel in bottom of joint box.
The two ends of the support frame body are fixedly connected with adjusting gears, the two sides of the clamping box, which are close to each other, are also fixedly connected with adjusting gears, and the adjusting gears are meshed with the corresponding adjusting gears respectively.
The bottom center of the support frame body is provided with an adjusting mechanism, the adjusting mechanism comprises a rotating part and three groups of moving parts, the rotating part is arranged at the bottom of the support frame body, and the three groups of moving parts are arranged on the rotating part.
Wherein, rotary part includes two-way threaded rod, two fixed blocks and turning block, the one end of two-way threaded rod is rotated and is connected in the bottom center department of support frame body, the bottom fixed connection of the one end of two-way threaded rod, two the fixed block all with two-way threaded rod threaded connection.
Wherein, every group the removal part includes upper junction plate, four connecting pieces and lower junction plate, four the connecting piece rotates respectively to be connected in upper junction plate and lower junction plate's both ends, wherein two the connecting piece respectively with two fixed block fixed connection, two in addition connecting piece and support frame body fixed connection.
A use method of a support frame of a surveying instrument for engineering surveying and mapping comprises the following specific steps:
(1) The angle of the support frame body is adjusted by a user, the rotating block is firstly screwed, the rotating block rotates to drive the bidirectional threaded rod to rotate, the two fixing blocks can move on the bidirectional threaded rod through the rotation of the bidirectional threaded rod, and the connecting piece is driven to move at the same time, so that the upper connecting plate and the lower connecting plate are driven to move;
(2) A user fixes a surveying and mapping instrument on a support frame body, when the support frame body needs to be fixed, the clamping box is rotated by an angle, the rotation of the clamping box is stopped, at the moment, the electric telescopic rod pushes the movable plate to move until the positioning tube protrudes out of the clamping box, at the moment, the top of the clamping box is stepped, after the positioning tube is fixed to the ground, the fixed motor is started, the fixed motor rotates to drive the fixed gear to rotate, the fixed gear drives the linkage gear to rotate through transmission, the linkage gear rotates to drive the rotating rod to rotate, the rotating rod rotates to drive the rotating gear to rotate, the mounting gear rotates through the meshing of the rotating gear and the mounting gear, the connecting rod and the connecting gear are driven to rotate at the same time, through the meshing of the connecting gear and the fixed gear, the fixed gear and the movable rod can be moved, the movable rod moves out of the positioning tube to fix the support frame body, and the stability of the support frame body is improved;
(3) When the support frame body is required to be dismantled, the fixed motor is used for rotating, the connecting gear drives the fixed rack and the movable rod to recover, the electric telescopic rod retracts, the movable plate recovers, the angle of the clamping box recovers, and the bottom of the support frame body can be protected.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
(1) According to the invention, the fixed motor is started to rotate to drive the fixed gear to rotate, the fixed gear can drive the linkage gear to rotate through transmission of the toothed belt, the linkage gear can drive the rotating rod to rotate, the rotating rod can drive the rotating gear to rotate, the mounting gear can be rotated through meshing of the rotating gear and the mounting gear, the connecting rod and the connecting gear are driven to rotate simultaneously, the fixed gear and the moving rod can be moved through meshing of the connecting gear and the fixed gear, the moving rod moves out of the positioning pipe to fix the support frame body, the stability of the support frame body is improved, and the bottom of the support frame body can be protected through the clamping box.
(2) According to the invention, the rotating block is rotated to drive the bidirectional threaded rod to rotate by screwing, the two fixing blocks can move on the bidirectional threaded rod by rotating the bidirectional threaded rod, and the connecting piece is driven to move at the same time, so that the upper connecting plate and the lower connecting plate are driven to move.
Drawings
FIG. 1 is a front perspective view of the present invention;
FIG. 2 is a bottom perspective view of the present invention;
FIG. 3 is an exploded view of the adjustment mechanism of the present invention;
FIG. 4 is a front perspective view of the securing mechanism of the present invention;
FIG. 5 is an elevational perspective partial sectional view of the securing mechanism of the present invention;
FIG. 6 is a side perspective view of the securing mechanism of the present invention;
FIG. 7 is a partially exploded view of the securing mechanism of the present invention;
FIG. 8 is a front half-sectional view of the positioning tube of the present invention;
FIG. 9 is a partial cross-sectional view of the positioning tube of the present invention;
fig. 10 is an exploded view of the positioning tube of the present invention.
The labels in the figure are: 1. a support frame body; 2. a fixing mechanism; 201. a clamping box; 202. moving the plate; 203. an electric telescopic rod; 204. fixing the telescopic rod; 205. fixing a motor; 206. a linkage gear; 207. a positioning tube; 208. a travel bar; 209. fixing a gear; 210. a connecting gear; 211. mounting a gear; 212. a connecting rod; 213. a rotating gear; 214. rotating the rod; 215. fixing a rack; 3. an adjustment mechanism; 301. a bidirectional threaded rod; 302. a fixed block; 303. an upper connecting plate; 304. a connecting member; 305. a lower connecting plate; 306. rotating the block; 4. a universal wheel; 5. and adjusting the gear.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example one, with reference to fig. 1-10: a surveying instrument support frame for engineering surveying and mapping, comprising: the support frame comprises a support frame body 1, the support frame body 1 is arranged for supporting and mounting, the support frame body 1 comprises a fixed seat and three fixed support legs, the three fixed support legs are rotatably connected to the fixed seat, the fixed seat is used for storing a surveying and mapping instrument, the fixed support legs are used for supporting, a fixed mechanism 2 is arranged for increasing the stability of the support frame body 1, the fixed mechanism 2 is provided with three groups, each group of fixed mechanism 2 comprises a clamping box 201, a moving plate 202, a rotating part, a pushing part, three positioning tubes 207, three groups of linkage parts and three groups of moving rods 208, the clamping box 201 is rotatably connected to the support frame body 1 through an adjusting gear 5, the clamping box 201 is arranged for mounting and fixing, the moving plate 202 is slidably embedded between the inner walls of the clamping box 201, the moving plate 202 can move in the clamping box 201, the bottom of the fixed support legs can be protected in the transportation support frame body 1, leakage of the sharp part of the fixed support legs is avoided, the rotating part is arranged on the moving plate 202, the pushing part is arranged on the inner surface wall of one side of the clamping box 201, the pushing part is connected with the moving plate 202, the pushing part is capable of enabling the moving rod 207 to drive the moving rod 207 through the three groups of the moving positioning tubes 207, the moving parts, the three groups of the moving tubes 207 and the moving tubes 207 respectively, the three groups of the moving tubes 207 are respectively connected with the three groups of the moving tubes 207, the moving parts, the three groups of the moving tubes 207, the moving tubes 207 are respectively, the three connecting rods 212 are movably connected between the inner walls of the positioning tubes 207, the outer surfaces of the three connecting rods 212 are respectively fixedly sleeved with a connecting gear 210 and a mounting gear 211, one end of a rotating rod 214 is rotatably connected with the moving plate 202, one end of the rotating rod 214 penetrates through the moving plate 202, the outer surface of the rotating rod 214 is fixedly sleeved with a rotating gear 213, the rotating gear 213 is meshed with the three mounting gears 211, the rotating rod 214 is used for connection and mounting, the rotating gear 213 is used for transmission, the mounting gear 211 is used for linkage, the connecting gear 210 is used for transmission, the connecting rod 212 can connect the mounting gear 211 with the connecting gear 210, the connecting rod 212 can limit the mounting gear 211 and the connecting gear 210, and the moving rod 208 can move through the transmission of the connecting gear 210 and the mounting gear 211 through the rotation of the rotating gear 213, the structure and the principle of the fixed motor 205 belong to the prior art, and are not described in detail herein, and the type of the fixed motor 205 can be selected according to the actual use condition, the setting of fixed gear 209 is used for transmitting the turning force of fixed motor 205, every group promotes the part and includes electric telescopic handle 203 and three fixed telescopic handle 204, electric telescopic handle 203 and three fixed telescopic handle 204 one end all with one side inside surface wall fixed connection of block case 201, electric telescopic handle 203's extension end and movable plate 202 fixed connection, the extension end of three fixed telescopic handle 204 rotates with the one end of three dwang 214 respectively and is connected, electric telescopic handle 203 is used for promoting movable plate 202 and removes, the structure and the principle of electric telescopic handle 203 belong to prior art, do not describe in detail here, its model can be selected according to the in-service use condition, the setting of fixed telescopic handle 204 can play fixed effect to dwang 214, the equal fixedly connected with universal wheel 4 in bottom of every block case 201, the setting of universal wheel 4 can make things convenient for support frame body 1 to remove, the equal fixedly connected with adjusting gear 5 in both ends of support frame body 1, the both sides that are close to of block case 201 also fixedly connected with adjusting gear 5, two adjusting gear 5 respectively with corresponding adjusting gear 5 intermeshing, the setting of adjusting gear 201 can make block case 201 rotate on fixed landing leg case, be used for adjusting the position of block case 201.
Referring to FIGS. 1-3: the bottom center department of support frame body 1 is provided with adjustment mechanism 3, adjustment mechanism 3 includes rotary part and three sets of moving parts, rotary part sets up in the bottom of support frame body 1, three sets of moving parts all set up on rotary part, adjustment mechanism 3's setting is used for adjusting the angle between the fixed leg, can make moving part remove through rotary part's rotation, rotary part includes two-way threaded rod 301, two fixed blocks 302 and turning block 306, two-way threaded rod 301's one end is rotated and is connected in the bottom center department of support frame body 1, the bottom fixed connection of two-way threaded rod 301's one end, two fixed blocks 302 all with two-way threaded rod 301 threaded connection, two fixed blocks 302 set up respectively on two-way threaded rod 301 different screw threads, turning block 306's setting can facilitate the user to rotate two-way threaded rod 301, every set up moving part includes upper junction plate 303, four connecting pieces 304 and lower connecting plate 305, four connecting pieces 304 rotate respectively and connect in upper junction plate 303 and lower connecting plate 305, wherein two connecting pieces 304 are respectively with two fixed block 302 fixed connection, two connecting pieces 304 and support frame body 1 fixed connection, connecting piece 304's fixed connection, connecting plate's setting is used for connecting plate 305 with connecting plate 303 each other, connecting plate 305 is connected between connecting plate 305, the fixed connection of connecting piece 305 is used for making the mutual keeping away from between the fixed connection plate 305.
When the angle adjusting device is used, when a user needs to adjust the angle of the support frame body 1, the rotating block 306 is screwed first, the rotating block 306 rotates to drive the bidirectional threaded rod 301 to rotate, the two fixing blocks 302 can move on the bidirectional threaded rod 301 through the rotation of the bidirectional threaded rod 301, the connecting piece 304 is driven to move at the same time, so that the upper connecting plate 303 and the lower connecting plate 305 are driven to move, the upper connecting plate 303 and the lower connecting plate 305 can be driven to approach or separate from each other through the different directions of the rotation of the bidirectional threaded rod 301, when the support frame body 1 is adjusted to a proper angle, the rotation can be stopped, the user fixes a surveying instrument on the support frame body 1, when the support frame body 1 needs to be fixed, the clamping box 201 is rotated to a proper angle, the electric telescopic rod 203 pushes the moving plate 202 to move until the positioning tube 207 protrudes to the outside of the clamping box 201, at the top of the clamping box 201 is stepped on, after the positioning tube 207 is fixed to the ground, the fixing motor 205 is started, the fixing motor 205 rotates to drive the fixing gear 209 to rotate, the fixing gear 206 can be linked through the transmission of the toothed belt, the gear 209, the fixing rod can drive the gear 215 to rotate, the fixing rod to move, the fixing rod 211, the fixing rod can be meshed with the fixing rod 213, and the fixing rod 213, the support frame body 213, and the fixing rod 213 can be used, and the support frame body 213, and the fixing rod 213 can be removed, the connecting gear 210 drives the fixed rack 215 and the moving rod 208 to restore, the electric telescopic rod 203 retracts, the moving plate 202 restores, the angle of the clamping box 201 restores, and the bottom of the support frame body 1 can be protected.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. The utility model provides an engineering is surveying and mapping instrument support frame which characterized in that includes:
a support frame body (1);
the fixing mechanism (2) is provided with three groups, each group of fixing mechanism (2) comprises a clamping box (201), a moving plate (202), a rotating part, a pushing part, three positioning pipes (207), three groups of linkage parts and three groups of moving rods (208), the clamping box (201) is rotatably connected to the support frame body (1) through adjusting gears (5), the moving plate (202) is slidably embedded between the inner walls of the clamping box (201), the rotating part is arranged on the moving plate (202), the pushing part is arranged on the inner surface wall of one side of the clamping box (201) and is connected with the moving plate (202), the three groups of linkage parts are respectively arranged in the three positioning pipes (207), one ends of the three positioning pipes (207) are fixedly connected with the moving plate (202), and the three groups of moving rods (208) are respectively slidably embedded between the inner walls of the three positioning pipes (207);
each group of linkage parts comprises a rotating rod (214), a rotating gear (213), three installation gears (211), three connecting gears (210) and three connecting rods (212), the three connecting rods (212) are rotatably connected between the inner walls of the positioning pipes (207), the three connecting rods (212) are fixedly sleeved with the connecting gears (210) and the installation gears (211) respectively, one end of the rotating rod (214) is rotatably connected with the moving plate (202), one end of the rotating rod (214) penetrates through the moving plate (202), the outer surface of the rotating rod (214) is fixedly sleeved with the rotating gear (213), and the rotating gear (213) is meshed with the three installation gears (211);
three moving rods (208) are arranged in each group, a fixed rack (215) is fixedly connected to the outer surface of one side of each moving rod (208), and each fixed rack (215) is meshed with a connecting gear (210);
each group of rotating parts comprises a fixed motor (205), three linkage gears (206) and a fixed gear (209), the fixed motor (205) is fixedly connected with the moving plate (202), the fixed gear (209) is fixedly sleeved at the output end of the fixed motor (205), the three linkage gears (206) are respectively and fixedly sleeved at one ends of the three rotating rods (214), and the three linkage gears (206) and the fixed gear (209) are in transmission;
each group of pushing parts comprises an electric telescopic rod (203) and three fixed telescopic rods (204), one ends of the electric telescopic rods (203) and the three fixed telescopic rods (204) are fixedly connected with the inner surface wall of one side of the clamping box (201), the extending ends of the electric telescopic rods (203) are fixedly connected with the moving plate (202), and the extending ends of the three fixed telescopic rods (204) are respectively connected with one ends of the three rotating rods (214);
the supporting frame is characterized in that adjusting gears (5) are fixedly connected to the two ends of the supporting frame body (1), adjusting gears (5) are fixedly connected to the two sides, close to each other, of the clamping box (201), and the adjusting gears (5) are meshed with the corresponding adjusting gears (5) respectively.
2. The surveying instrument support for engineering surveying and mapping as claimed in claim 1, wherein: the bottom center department of support frame body (1) is provided with adjustment mechanism (3), adjustment mechanism (3) include rotary part and three groups of moving parts, rotary part sets up in the bottom of support frame body (1), three groups moving part all sets up on rotary part.
3. The surveying instrument support frame for engineering surveying and mapping of claim 2, characterized by: rotary part includes two-way threaded rod (301), two fixed blocks (302) and turning block (306), the one end of two-way threaded rod (301) is rotated and is connected in the bottom center department of support frame body (1), the bottom fixed connection of the one end of two-way threaded rod (301), two fixed block (302) all are connected with two-way threaded rod (301).
4. The surveying instrument support frame for engineering surveying and mapping of claim 3, characterized by: each group of moving parts comprises an upper connecting plate (303), four connecting pieces (304) and a lower connecting plate (305), wherein the four connecting pieces (304) are respectively and rotatably connected to two ends of the upper connecting plate (303) and the two ends of the lower connecting plate (305), the two connecting pieces (304) are respectively and fixedly connected with two fixing blocks (302), and the other two connecting pieces (304) are fixedly connected with the support frame body (1).
5. The method for using the support frame of the surveying and mapping instrument for engineering surveying and mapping as claimed in claim 4, wherein the specific steps are as follows:
(1) The angle of the support frame body (1) is adjusted by a user, the rotating block (306) is firstly screwed, the rotating block (306) rotates to drive the bidirectional threaded rod (301) to rotate, the two fixing blocks (302) can move on the bidirectional threaded rod (301) through the rotation of the bidirectional threaded rod (301), and meanwhile, the connecting piece (304) is driven to move, so that the upper connecting plate (303) and the lower connecting plate (305) are driven to move, the upper connecting plate (303) and the lower connecting plate (305) can be driven to be close to or away from each other through different directions of rotating the bidirectional threaded rod (301), and the rotation can be stopped when the support frame body (1) is adjusted to a proper angle;
(2) The user fixes the surveying instrument on the support frame body (1), when the support frame body (1) needs to be fixed, the clamping box (201) is rotated by a certain angle, the clamping box (201) stops rotating, the electric telescopic rod (203) pushes the moving plate (202) to move until the positioning tube (207) protrudes outside the clamping box (201), the top of the clamping box (201) is treaded at the moment, after the positioning tube (207) is fixed to the ground, the fixed motor (205) is started, the fixed motor (205) rotates to drive the fixed gear (209) to rotate, the fixed gear (209) drives the linkage gear (206) to rotate through transmission, the linkage gear (206) rotates to drive the rotating rod (214) to rotate, the rotating rod (214) rotates to drive the rotating gear (213) to rotate, the mounting gear (211) can rotate through the meshing of the rotating gear (213) and the mounting gear (211), the connecting rod (212) and the connecting gear (210) are driven to rotate, the fixed gear (210) is meshed with the fixed gear (215), the moving rod (215) and the moving rod (208) moves out of the support frame body (1), and the stability of the support frame body (207) is increased;
(3) When the support frame body (1) needs to be detached, the fixed motor (205) is used for rotating, the connecting gear (210) drives the fixed rack (215) and the moving rod (208) to restore, the electric telescopic rod (203) retracts, the moving plate (202) restores, the angle of the clamping box (201) restores, and the bottom of the support frame body (1) can be protected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110984032.XA CN113514044B (en) | 2021-08-25 | 2021-08-25 | Surveying and mapping instrument support frame for engineering surveying and mapping and using method |
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| CN202110984032.XA CN113514044B (en) | 2021-08-25 | 2021-08-25 | Surveying and mapping instrument support frame for engineering surveying and mapping and using method |
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| CN113514044B true CN113514044B (en) | 2023-01-24 |
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|---|---|---|---|---|
| CN207833798U (en) * | 2017-12-25 | 2018-09-07 | 广州市创壹广告设计有限公司 | A kind of billboard of fix stably |
| CN209146671U (en) * | 2018-11-14 | 2019-07-23 | 浙江工业职业技术学院 | A kind of portable Surveying Engineering tripod |
| CN209413926U (en) * | 2019-01-08 | 2019-09-20 | 崔婧 | A kind of automatic anchor pole mechanism of no-dig technique equipment |
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