CN115326039B - Device for keeping engineering measurement marker post vertical in real time and using method thereof - Google Patents
Device for keeping engineering measurement marker post vertical in real time and using method thereof Download PDFInfo
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- CN115326039B CN115326039B CN202210967149.1A CN202210967149A CN115326039B CN 115326039 B CN115326039 B CN 115326039B CN 202210967149 A CN202210967149 A CN 202210967149A CN 115326039 B CN115326039 B CN 115326039B
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- 238000005259 measurement Methods 0.000 title claims abstract description 96
- 239000003550 marker Substances 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000010276 construction Methods 0.000 claims abstract description 10
- 238000005286 illumination Methods 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 44
- 230000005484 gravity Effects 0.000 claims description 14
- 238000012423 maintenance Methods 0.000 claims description 13
- 238000007664 blowing Methods 0.000 claims description 11
- 239000002689 soil Substances 0.000 claims description 10
- 230000002265 prevention Effects 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 1
- 239000000741 silica gel Substances 0.000 claims 1
- 229910002027 silica gel Inorganic materials 0.000 claims 1
- 230000007246 mechanism Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229920002972 Acrylic fiber Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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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
- G01C15/02—Means for marking measuring points
- G01C15/06—Surveyors' staffs; Movable markers
- G01C15/08—Plumbing or registering staffs or markers over ground marks
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Road Signs Or Road Markings (AREA)
- Walking Sticks, Umbrellas, And Fans (AREA)
Abstract
The invention discloses a device for keeping engineering measurement targets vertical in real time and a use method thereof, belonging to the field of engineering measurement, comprising the engineering measurement targets and further comprising: the construction measuring standard post mounting unit comprises a mounting sleeve and illumination components, wherein the mounting sleeve is sleeved at the top of the engineering measuring standard post, and two illumination components are symmetrically arranged on two sides of the mounting sleeve; the vertical state maintaining unit comprises an upper annular pull belt, an upper mounting seat, an upper mounting shaft, an upper roller and a lower connecting assembly, wherein the upper mounting seat is rotationally connected with two ends of the upper mounting shaft through a bearing, the middle part of the upper mounting shaft is fixedly sleeved with the upper roller, and the upper roller is sleeved with the top of the upper annular pull belt. The folding framework unit can be folded when not using, reduces space occupation, and convenient transportation shifts, does not use big electrical equipment, and equipment is simplified, is applicable to the outdoor operation when engineering measurement, also conveniently carries, is applicable to the laying of slope department, conveniently keeps the vertical state of engineering measurement marker post in real time.
Description
Technical Field
The invention relates to the technical field of engineering measurement, in particular to a device for keeping engineering measurement standard pole vertical in real time and a use method thereof.
Background
The construction measurement refers to measurement work performed in the engineering construction stage, and engineering measurement related to engineering construction relates to various industries, the common method is to use a level gauge and a marker post to perform measurement in a matched mode, the marker post and a horizontal plane are required to be perpendicular to each other during measurement, measurement precision can be guaranteed, and currently, the marker post is usually held manually or inserted into a soil layer in the measurement, so that the verticality cannot be guaranteed;
The invention patent of China with the application publication number of CN113776511A discloses a real-time maintenance engineering measurement marker post vertical device, which comprises a support frame, wherein the upper part of the support frame is provided with a connecting pipe, two measuring marker post hanging mechanisms are arranged in the connecting pipes, the side parts of the connecting pipes are provided with fastening components for fixing the measuring marker post hanging mechanisms, the upper part of the measuring marker post hanging mechanisms are provided with measuring marker post lifting control mechanisms, the output ends of the measuring marker post lifting control mechanisms are provided with connecting hooks, the upper parts of the connecting hooks are provided with measuring marker posts connected through connecting wires, the support frame is provided with an automatic correction mechanism, and the bottom of the support frame is provided with an auxiliary supporting mechanism;
It has the following problems: the electric equipment with the same size as the air cylinder is needed, the equipment is complex, the occupied space is large, the carrying is inconvenient, the whole electric equipment can incline when the electric equipment is at a slope, and the vertical state is not easy to adjust.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, large electrical equipment such as an air cylinder is needed, the equipment is complex, the occupied space is large, the carrying is inconvenient, the whole body can incline at a slope and the vertical state is not easy to adjust, and provides a real-time engineering measurement marker post vertical device and a use method thereof.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a keep engineering survey marker post vertical device in real time, includes engineering survey marker post, still includes:
The construction measuring standard post mounting unit comprises a mounting sleeve and illumination components, wherein the mounting sleeve is sleeved at the top of the engineering measuring standard post, and two illumination components are symmetrically arranged on two sides of the mounting sleeve;
the vertical state maintaining unit comprises an upper annular pull belt, an upper mounting seat, an upper mounting shaft, an upper roller and a lower connecting component, wherein the upper mounting seat is rotationally connected with two ends of the upper mounting shaft through a bearing;
The top of mount pad is connected to quick detach installation unit, and the top of quick detach installation unit passes through the folding framework unit of orientation adjustment subassembly connection, the side-mounting of folding framework unit has dismantlement formula altitude control subassembly.
The detachable height control assembly is used for adjusting the height of the folding framework unit, the folding framework unit can be folded when not used, space occupation is reduced, transportation and transfer are facilitated, the orientation adjustment assembly can enable the vertical state keeping unit to rotate relative to the folding framework unit, therefore, the orientation of the engineering measurement marker post is changed, remote observation is facilitated, the mounting sleeve is used for fixing the top of the engineering measurement marker post, the lighting assembly can be used when light is poor, the upper idler wheel and the upper mounting shaft can rotate, the lowest point of the bottom of the upper annular pull belt can be ensured to be connected with the lower connecting assembly when the upper annular pull belt is pulled downwards by the lower connecting assembly, the fact that other parts of the bottom of the upper annular pull belt are connected with the lower connecting assembly in a hanging mode by friction force is avoided, the engineering measurement marker post is inclined, and the upper real-time maintenance of the vertical state is achieved by the gravity of the engineering measurement marker post.
Preferably, the lower connecting assembly comprises a connecting stud and a slip ring, wherein the inner thread of a central screw hole at the top of the mounting sleeve is connected with the bottom end of the connecting stud, the top of the connecting stud is connected with the slip ring, and the slip ring is connected with the bottom of the inner side of the upper annular pull belt.
The middle part of the installation sleeve is connected with the connecting stud, so that the balance of the engineering measurement marker post in a natural gravity state is not influenced, the engineering measurement marker post is in a vertical state under the action of gravity, the slip ring is always hung at the bottom of the inner side of the upper annular pull belt under the action of the pulling force of the engineering measurement marker post, the influence of friction force on the vertical state of the engineering measurement marker post is reduced, the cross section of the upper annular pull belt is rectangular, the orientation of the engineering measurement marker post can be better limited, and the uncontrolled rotation of the engineering measurement marker post is avoided.
Preferably, the folding framework unit comprises a mounting square plate, a movable shaft, folding movable rods and a folding movable rod locking control assembly, wherein four corners of the mounting square plate are respectively provided with mounting grooves, one ends of the four folding movable rods are movably connected in the four mounting grooves through the movable shaft respectively, and the thickness of the mounting square plate is the same as that of the folding movable rods.
When the folding movable rods at four corners of the installation square plate are not used, the folding movable rods at four corners of the installation square plate move relative to the movable shafts, the four folding movable rods are folded to be in a downward state, the folding movable rod locking control assemblies are attached to the top end faces of the folding movable rods, the folding movable rods cannot continue to move relative to the installation square plate, the four folding movable rods are parallel to each other, the occupied space is small, the folding movable rods are unfolded when the folding movable rods are used, the folding movable rods and the installation square plate are in the same plane, the folding movable rod locking control assemblies are attached to the upper side faces of the four folding movable rods, the four folding movable rods cannot continue to move relative to the installation square plate, and the installation square plate and the folding movable rods are kept in a stable unfolded use state;
Preferably, the folding movable rod locking control assembly comprises a convex disc, a second bearing, a control square plate, a control bolt, a limit column, a limit hole and a circular groove, wherein the convex disc is arranged at the center of the top of the installation square plate, the center of the top of the convex disc is connected with the bottom end of the control bolt through the second bearing in a rotating mode, the control bolt is in threaded connection with a screw hole in the middle of the control square plate, the circular groove corresponding to the convex disc is formed in the bottom of the control square plate, the limit hole is formed in the control square plate, and the top of the installation square plate is fixedly connected with the limit column in vertical sliding connection with the limit hole.
The control bolt is twisted clockwise, the control square plate can move up and down along the limit post through the threaded action of the control bolt and the control square plate, when the four folding movable rods are unfolded, the control square plate is positioned on the same plane with the installation square plate, at the moment, the control square plate descends to be contacted with the upper sides of the four folding movable rods, the four folding movable rods are not moved any more, the unfolded stable state of the four folding movable rods can be kept, when the four folding movable rods need to be folded, the control bolt is twisted reversely to enable the control square plate to move upwards, then the four folding movable rods are twisted downwards to enable the four folding movable rods to be parallel to each other, then the control bolt is twisted clockwise, the control square plate descends to abut against the top end faces of the four folding movable rods, at the moment, the four folding movable rods are limited again, and the folded state is kept;
Preferably, the detachable height control assembly comprises a nut, a threaded column, edge blocks and hollow supporting tubes, the other ends of the four folding movable rods are respectively and fixedly connected with four nuts, the threaded column is respectively and threadedly connected in each nut, the bottoms of the four threaded columns are respectively connected with the tops of the four edge blocks, and the bottoms of the four edge blocks are respectively connected with the four vertical hollow supporting tubes.
The screw thread post is convenient to be gripped by stress through the edge block, the screw thread post is driven to rotate relative to the nut, the connection position of the nut and the screw thread post is adjusted, and the parts of the four screw thread posts, which are positioned at the lower side of the adjusting nut, can be inconsistent, so that the screw thread post can be suitable for fixing at a slope, the installation square plate is approximately in a horizontal state, the hollow support tube can support the screw thread post, and the screw thread post is also convenient to install and fix the part on a soil layer.
Preferably, the safety piercing unit is further arranged at the bottoms of the four hollow support tubes, and the safety piercing unit is used for fixing the hollow support tubes in the detachable height control assembly.
Preferably, the safe needling unit comprises a sliding column, a spike and a ground needling telescopic control assembly, wherein the bottoms of the inner sides of the four hollow supporting tubes are respectively sleeved with the sliding column in a sliding manner, the bottoms of the sliding columns are of conical structures and are connected with the top ends of the spikes, and the sliding columns are connected with the ground needling telescopic control assembly;
The ground thorn flexible control assembly can control the sliding column and the spine to retract into the hollow support tube, so that the spine is conveniently collected when the ground thorn flexible control assembly is not used, the safety is good, the sliding column slides and stretches out relative to the hollow support tube when the ground thorn flexible control assembly is used, and the position of the hollow support tube is fixed by the spine penetrating into a soil layer.
Preferably, the ground thorn flexible control assembly comprises an arc groove, a vertical through groove, a sliding sleeve, a convex line and a connecting sliding rod, the vertical through groove is formed in the side face of the bottom of the hollow supporting tube, the arc grooves are respectively formed in one side of the upper end and the lower end of the vertical through groove, the sliding sleeve is movably sleeved on the outer peripheral side of the bottom of the hollow supporting tube, the inner side of the sliding sleeve is connected with one end of the connecting sliding rod, the other end of the connecting sliding rod penetrates through the vertical through groove and is connected with the sliding column, and convex lines are arranged on the outer peripheral side of the sliding sleeve at equal angles.
The sliding sleeve can move outside the hollow supporting tube, the operation sliding sleeve is conveniently held tightly through the convex pattern, when the spike work is needed, the sliding sleeve is pulled down, the connecting sliding rod slides down to the bottom along the vertical through groove, then the sliding sleeve rotates anticlockwise, the connecting sliding rod slides into the arc groove at the bottom, when the spike is inserted into the soil layer to be stressed, the spike and the sliding column cannot retract into the hollow supporting tube due to the fact that the connecting sliding rod is positioned in the arc groove at the bottom, the sliding sleeve does not need to rotate during spike work, the connecting sliding rod slides into the vertical through groove again, then the sliding sleeve is pulled up until the connecting sliding rod slides to the top of the vertical through groove, then the sliding sleeve rotates anticlockwise, the connecting sliding rod slides into the arc groove at the top, at the moment, the spike and the sliding column cannot extend out of the hollow supporting tube due to gravity, the concave part can be formed in the bottom of one end of the vertical through groove is kept away from the two arc grooves, the connecting sliding rod is stable when being positioned at the position, and the condition that the connecting sliding rod accidentally slides out of the arc groove is reduced.
Preferably, the wind-proof device further comprises a wind-proof component, the wind-proof component is detachably connected with the bottom of the outer connecting disc of the orientation adjusting component, the wind-proof component covers the engineering measurement standard pole, and when wind can blow the engineering measurement standard pole, the wind-proof component can overcome the influence of wind.
Preferably, the application method of the device for keeping the engineering measurement standard pole vertical in real time specifically comprises the following steps:
S1: unfolding folding movable rods at four corners of the installation square plate, enabling the upper sides of the folding movable rods to be parallel to the upper sides of the installation square plate, enabling a control square plate in the folding movable rod locking control assembly to be attached to the upper sides of the installation square plate, and enabling the relative positions of the folding movable rods and the installation square plate to be fixed;
S2: twisting the threaded column through the edge block to enable the threaded column and the nut to relatively move up and down, so that the supporting height of the threaded column and the hollow supporting tube to the folding movable rod is adjusted;
S3: the bottom end of the sliding column and the spike extend out of the bottom of the hollow supporting tube through the spike telescopic control assembly, and then the spike is inserted into the soil layer;
S4: the vertical state maintaining unit is installed through the quick-dismantling installation unit, and the vertical state maintaining unit enables the engineering measurement standard pole to be always in a vertical state by means of the gravity of the engineering measurement standard pole
S5: adjusting the orientation adjustment assembly to orient the engineering survey pole in a proper direction;
S6: under the condition that the engineering measurement target rod is rocked by wind, the wind-proof blowing component is arranged at the bottom of the outer connecting disc of the orientation adjusting component, so that the wind-proof blowing component surrounds the engineering measurement target rod.
Compared with the prior art, the invention provides a device for keeping the engineering measurement standard pole vertical in real time and a use method thereof, and the device has the following beneficial effects:
1. the vertical device for the engineering measurement standard pole is capable of keeping the vertical state of the engineering measurement standard pole in real time, the detachable height control component is used for adjusting the height of the folding framework unit, the folding framework unit can be folded when not in use, the occupied space is reduced, the transportation and the transfer are convenient, the vertical state keeping unit can rotate relative to the folding framework unit by the orientation adjusting component, so that the orientation of the engineering measurement standard pole is changed, the remote observation is convenient, the mounting sleeve is used for fixing the top of the engineering measurement standard pole, and the lighting component can be used when the light is poor;
2. The real-time maintenance engineering measurement standard pole vertical device has the advantages that the upper idler wheels and the upper mounting shaft can rotate, when the upper annular pull belt is pulled downwards by the lower connecting component, the lowest point of the bottom of the upper annular pull belt can be ensured to be connected with the lower connecting component, the situation that the engineering measurement standard pole is inclined due to the fact that other parts of the bottom of the upper annular pull belt are connected with the lower connecting component in a hanging mode by friction force is avoided, the upper real-time maintenance of the vertical state is realized by utilizing the gravity of the engineering measurement standard pole, large electrical equipment is not used, equipment is simplified, the engineering measurement standard pole vertical device is suitable for outdoor operation during engineering measurement, the engineering measurement standard pole vertical device is convenient to carry, and is suitable for placement at a slope, and the vertical state of the engineering measurement standard pole is convenient to maintain in real time;
3. The using method of the vertical device for keeping the engineering measurement standard pole in real time is convenient and quick to operate, can be used without excessive experience, can be properly adjusted according to the outdoor environment, is beneficial to improving the engineering measurement efficiency, and is almost free from interference once adopted.
The device has the advantages that the parts which are not involved in the device are the same as or can be realized by adopting the prior art, the device is convenient and efficient in use, the engineering measurement standard pole is ensured to be in proper orientation and in a vertical state, and the accurate implementation of engineering measurement is facilitated.
Drawings
FIG. 1 is a schematic diagram of a real-time maintenance engineering survey pole vertical device according to the present invention;
FIG. 2 is a schematic view of a partial enlarged structure at A in FIG. 1 of a device for maintaining the engineering survey pole upright in real time;
FIG. 3 is a schematic view of a partial enlarged structure of the vertical device of FIG. 1 for maintaining engineering survey poles in real time according to the present invention;
FIG. 4 is a schematic diagram of a sectional structure of a quick-dismantling installation unit of a device for maintaining engineering survey pole vertical in real time;
FIG. 5 is a schematic view of a bottom view of a device for maintaining the engineering survey pole upright in real time;
FIG. 6 is a schematic view of a partial enlarged structure at C in FIG. 5 of a device for maintaining the engineering survey pole upright in real time according to the present invention;
FIG. 7 is a schematic diagram of a cross-sectional structure of an orientation adjustment assembly of a real-time maintenance engineering survey pole vertical device according to the present invention;
FIG. 8 is a schematic diagram of a construction of a real-time maintenance engineering survey pole vertical device according to an embodiment of the present invention;
In the figure: 1 engineering survey pole, 2 pole mounting unit, 21 mounting sleeve, 22 fixing screw, 23 flashlight, 24 control switch, 3 vertical state holding unit, 31 connecting stud, 32 slip ring, 33 upper ring pull, 34 upper mounting seat, 35 upper mounting shaft, 36 upper roller, 37 upper limit ring, 38 lower ring belt, 39 lower mounting seat, 310 lower roller, 311 lower mounting shaft, 312 lower limit ring, 4 quick-dismantling mounting unit, 41 hollow inserting rod, 42 inserting sleeve, 43 side clamping groove, 44 horizontal sliding rail, 45 sliding connecting rod, 46 pressing post, 47 pressing cap, 48 limit outer frame, 49 mounting plate, 410 spring, 411 locking block, 5 orientation adjusting assembly 51 fixed disk, 52 outer connection disk, 53 rotating disk, 54 through hole, 55 bolt, 6 folding frame unit, 61 installation square plate, 62 movable shaft, 63 folding movable rod, 64 convex disk, 65 bearing two, 66 control square plate, 67 control bolt, 68 spacing column, 69 spacing hole, 610 round groove, 7 dismantlement formula altitude control subassembly, 71 nut, 72 screw thread column, 73 arris piece, 74 hollow stay tube, 8 safe thorn unit, 81 sliding column, 82 arc groove, 83 vertical through groove, 84 sliding sleeve, 85 burr, 86 spike, 87 connecting slide bar, 9 wind blowing subassembly, 91 fixed ear, 92 transparent square tube, 93 engaging ear, 94 connecting bolt.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Examples:
1-8, a device for keeping a construction measurement standard upright in real time comprises a construction measurement standard 1, and further comprises:
the marker post mounting unit 2 comprises a mounting sleeve 21 and lighting components, wherein the top of the engineering measurement marker post 1 is sleeved with the mounting sleeve 21, two lighting components are symmetrically arranged on two sides of the mounting sleeve 21, and fixing screws 22 are respectively connected with the symmetrical side surfaces of the other two sides of the mounting sleeve 21 in a threaded manner, so that the mounting sleeve 21 and the engineering measurement marker post 1 are firmly fixed, and the two fixing screws 22 are symmetrically arranged relative to the engineering measurement marker post 1, thereby avoiding influencing the mass balance of the engineering measurement marker post 1;
The lighting components comprise a flashlight 23 and a control switch 24, two flashlights 23 are symmetrically arranged on two sides of the mounting sleeve 21, a storage battery is arranged in the flashlights 23, the control switch 24 is arranged on the outer side of the flashlights 23, the two lighting components are symmetrically arranged, the influence on the mass balance of the engineering survey pole 1 is avoided,
The vertical state maintaining unit 3 comprises an upper annular pull belt 33, an upper mounting seat 34, an upper mounting shaft 35, an upper roller 36 and a lower connecting component, wherein the upper mounting seat 34 is rotatably connected with two ends of the upper mounting shaft 35 through a bearing, the middle part of the upper mounting shaft 35 is fixedly sleeved with the upper roller 36, the upper roller 36 is sleeved with the top of the upper annular pull belt 33, and the bottom of the inner side of the upper annular pull belt 33 is connected with the top center of the mounting sleeve 21 through the lower connecting component;
The two ends of the upper roller 36 are respectively provided with an upper limiting ring 37 in an integrated manner, and the upper annular pull belt 33 is limited by the upper limiting rings 37, so that the upper annular pull belt 33 is prevented from being separated from the upper roller 36;
The lower connecting assembly comprises a connecting stud 31 and a slip ring 32, wherein the bottom end of the connecting stud 31 is connected with the inner thread of a central screw hole at the top of the mounting sleeve 21, the slip ring 32 is connected with the top of the connecting stud 31, and the slip ring 32 is connected with the inner bottom of the upper annular pull belt 33.
The middle part of the installation sleeve 21 is connected with the connecting stud 31, so that the balance of the engineering measurement standard pole 1 under the natural gravity state is not influenced, the engineering measurement standard pole 1 is in a vertical state under the gravity, the slip ring 32 is always hung with the inner bottommost part of the upper annular pull belt 33 under the pulling force of the engineering measurement standard pole 1, the influence of friction force on the vertical state of the engineering measurement standard pole 1 is reduced, the section of the upper annular pull belt 33 is rectangular, the orientation of the engineering measurement standard pole 1 can be better limited, and the uncontrolled rotation of the engineering measurement standard pole 1 is avoided.
The bottom of the quick-release mounting unit 4 is connected with the top of the upper mounting seat 34, the top of the quick-release mounting unit 4 is connected with the folding framework unit 6 through the orientation adjusting assembly 5, and the side surface of the folding framework unit 6 is provided with the detachable height control assembly 7;
The orientation adjusting assembly 5 comprises a fixed disc 51, an external disc 52, a rotating disc 53, through holes 54 and bolts 55, wherein the bottom of a mounting square plate 61 of the folding framework unit 6 is fixedly connected with the fixed disc 51 through the bolts 55, at least six through holes 54 are formed in an annular array at the edge of the fixed disc 51, the bolts 55 penetrate through the through holes 54, an annular groove is formed in the upper side of the fixed disc 51, the rotating disc 53 is rotationally connected with the annular groove, a circular through groove communicated with the annular groove is formed in the bottom of the fixed disc 51, the bottom of the rotating disc 53 is connected with the external disc 52, the bottom of the external disc 52 penetrates through the circular through groove, the fixed disc 51 is fixed at the bottom of the mounting square plate 61 through the bolts 55, the external disc 52 and the rotating disc 53 can rotate relative to the fixed disc 51, so that the orientation of the engineering measurement marker post 1 is changed, and remote measurement is facilitated;
the quick-release mounting unit 4 comprises a hollow inserted rod 41, a plug bush 42, side clamping grooves 43, transverse sliding rails 44, a sliding connecting rod 45, a pressing column 46, a pressing cap 47, a limit outer frame 48, a mounting plate 49, springs 410 and locking blocks 411, wherein the bottom center of an outer connecting disc 52 is fixedly connected with the plug bush 42, the side clamping grooves 43 are respectively arranged at two sides of the bottom of the plug bush 42, the bottom of the hollow inserted rod 41 is fixedly connected with the top center of an upper mounting seat 34, the two sides of the top of the hollow inserted rod 41 are provided with chamfers, the inner top of the hollow inserted rod 41 is provided with a mounting plate 49, two sides of the mounting plate 49 are respectively connected with two locking blocks 411 through springs 410, sliding through grooves at two sides of the top of the hollow inserted rod 41 are respectively connected with the two locking blocks 411 in a sliding manner, wedge-shaped surfaces are arranged at the top of the outer ends of the two locking blocks 411, one end bottoms of the two locking blocks 411, which are positioned in the hollow inserted rod 41, are respectively connected with the sliding connecting rods 45, the transverse sliding rails 44 are fixedly connected with the bottoms of the hollow inserted rod 41, the transverse sliding rails 44 are connected with the two sliding holes 46 at two sides of the two ends of the two sliding caps 46 which are respectively connected with the bottoms of the two sliding columns 46 in a sliding manner, and the two ends of the two sliding caps 46 are respectively connected with the two ends of the two sliding caps 46 in a sliding manner;
When the mounting seat 34 is required to be mounted, the two fingers pinch the two pressing caps 47, so that the two sliding connecting rods 45 slide relatively along the transverse sliding rail 44, the two springs 410 are compressed, the two locking blocks 411 are retracted into the hollow inserted rod 41, then the top of the hollow inserted rod 41 is inserted into the inserted sleeve 42, the pressing caps 47 are loosened, the two springs 410 rebound, the two locking blocks 411 are pushed into the side clamping grooves 43, the hollow inserted rod 41 and the inserted sleeve 42 are locked, the mounting of the upper mounting seat 34 is completed, and the upper mounting seat 34 and the orientation adjusting assembly 5 can be detached, so that the mounting seat is convenient to disassemble, transfer and carry;
The folding frame unit 6 comprises a mounting square plate 61, a movable shaft 62, a folding movable rod 63 and a folding movable rod locking control assembly, wherein four corners of the mounting square plate 61 are respectively provided with mounting grooves, one ends of the four folding movable rods 63 are respectively movably connected in the four mounting grooves through the movable shaft 62, and the thicknesses of the mounting square plate 61 and the folding movable rod 63 are the same.
When not in use, the folding movable rods 63 at four corners of the installation square plate 61 are movable relative to the movable shafts 62, the four folding movable rods 63 are folded to a downward state, the folding movable rod locking control components are attached to the top end surfaces of the folding movable rods 63, the folding movable rods 63 cannot continue to move relative to the installation square plate 61, the four folding movable rods 63 are parallel to each other, the occupied space is reduced at the moment, when in use, the folding movable rods 63 are unfolded, the folding movable rods 63 and the installation square plate 61 are in the same plane, the folding movable rod locking control components are attached to the upper side surfaces of the four folding movable rods 63, the four folding movable rods 63 cannot continue to move relative to the installation square plate 61, and the installation square plate 61 and the folding movable rods 63 are kept in a stable unfolded use state;
The folding movable rod locking control assembly comprises a convex disc 64, a second bearing 65, a control square plate 66, a control bolt 67, a limiting column 68, a limiting hole 69 and a circular groove 610, wherein the convex disc 64 is arranged at the center of the top of the installation square plate 61, the center of the top of the convex disc 64 is rotationally connected with the bottom end of the control bolt 67 through the second bearing 65, the control bolt 67 is in threaded connection with a screw hole in the middle of the control square plate 66, the circular groove 610 corresponding to the convex disc 64 is formed in the bottom of the control square plate 66, the limiting hole 69 is formed in the control square plate 66, and the limiting column 68 is fixedly connected with the top of the installation square plate 61 and vertically and slidably connected with the limiting hole 69.
The control bolt 67 is twisted clockwise, the control square plate 66 can move up and down along the limit post 68 through the threaded action of the control bolt 67 and the control square plate 66, when the four folding movable rods 63 are unfolded, the control square plate 66 is positioned on the same plane with the installation square plate 61, at the moment, the control square plate 66 descends to be contacted with the upper sides of the four folding movable rods 63, the four folding movable rods 63 are not moved any more, the unfolded stable state of the four folding movable rods 63 can be kept, when the four folding movable rods 63 need to be folded, the control bolt 67 is twisted reversely, the control square plate 66 is moved upwards, then the four folding movable rods 63 are twisted downwards, the four folding movable rods 63 are all downwards and mutually parallel, then the control bolt 67 is twisted clockwise, the control square plate 66 descends to be abutted against the top end faces of the four folding movable rods 63, at the moment, the four folding movable rods 63 are limited again, and the folded state is kept;
the detachable height control assembly 7 comprises nuts 71, threaded columns 72, rib blocks 73 and hollow support tubes 74, the other ends of the four folding movable rods 63 are respectively fixedly connected with four nuts 71, the threaded columns 72 are respectively connected with each nut 71 in a threaded manner, the bottoms of the four threaded columns 72 are respectively connected with the tops of the four rib blocks 73, and the bottoms of the four rib blocks 73 are respectively connected with four vertical hollow support tubes 74.
The screw columns 72 are conveniently held under stress through the edge blocks 73, the screw columns 72 are driven to rotate relative to the nuts 71, the connection positions of the nuts 71 and the screw columns 72 are adjusted, and the parts of the four screw columns 72 positioned on the lower sides of the adjusting nuts 71 can be inconsistent, so that the screw columns can be suitable for fixing at slopes, the installation square plate 61 is approximately in a horizontal state, the hollow supporting tubes 74 can support the screw columns 72, and the screw columns 72 are convenient to install and fix parts on soil layers.
When the folding frame unit is used, the detachable height control assembly 7 is used for adjusting the height of the folding frame unit 6, and the folding frame unit 6 can be folded when not used, so that the occupied space is reduced, and the transportation and the transfer are convenient;
the orientation adjusting assembly 5 can enable the vertical state maintaining unit 3 to rotate relative to the folding framework unit 6, so that the orientation of the engineering survey pole 1 is changed, and remote observation is facilitated;
The mounting sleeve 21 is used for fixing the top of the engineering measurement marker post 1, and the lighting assembly can be used when the light is poor;
The upper roller 36 and the upper mounting shaft 35 can rotate, so that the lowest point of the bottom of the upper annular pull belt 33 can be ensured to be connected with the lower connecting component when the upper annular pull belt 33 is pulled down by the lower connecting component, the inclination of the engineering measurement marker post 1 caused by the fact that other parts of the bottom of the upper annular pull belt 33 are connected with the lower connecting component in a hanging manner due to friction force is avoided, and the upper real-time maintenance of the vertical state is realized by utilizing the gravity of the engineering measurement marker post 1.
Referring to fig. 1-8, a device for maintaining the vertical position of an engineering measurement target in real time is disclosed, which has the same structure as the first embodiment, and is different from the first embodiment in that:
Also included is a safety lancing unit 8, the bottoms of the four hollow support tubes 74 are respectively provided with the safety lancing unit 8, and the safety lancing unit 8 is used for fixing the hollow support tubes 74 in the detachable height control assembly 7.
The safety ground thorn unit 8 comprises a sliding column 81, a spine 86 and a ground thorn telescopic control component, wherein the bottoms of the inner sides of the four hollow supporting tubes 74 are respectively and slidably sleeved with the sliding column 81, the bottoms of the sliding columns 81 are of conical structures and are connected with the top ends of the spine 86, the sliding columns 81 are connected with the ground thorn telescopic control component, and the spine 86 can be made of long steel nails;
the ground thorn flexible control assembly can control the sliding column 81 and the thorn 86 to retract into the hollow support tube 74, so that the thorn 86 is conveniently collected when not in use, the safety is good, the sliding column 81 slides and stretches out relative to the hollow support tube 74 when in use, and the position of the hollow support tube 74 is fixed by penetrating the soil layer through the thorn 86.
The ground thorn flexible control assembly comprises an arc groove 82, a vertical through groove 83, a sliding sleeve 84, a convex line 85 and a connecting sliding rod 87, wherein the vertical through groove 83 is formed in the side face of the bottom of the hollow supporting tube 74, the arc groove 82 is respectively formed in one side of the upper end and the lower end of the vertical through groove 83, the sliding sleeve 84 is movably sleeved on the outer peripheral side of the bottom of the hollow supporting tube 74, one end of the connecting sliding rod 87 is connected to the inner side of the sliding sleeve 84, the other end of the connecting sliding rod 87 penetrates through the vertical through groove 83 and is connected with the sliding column 81, and the convex line 85 is arranged on the outer peripheral side of the sliding sleeve 84 at equal angles.
In use, the sliding sleeve 84 can move outside the hollow support tube 74, and the sliding sleeve 84 is conveniently held and operated by the convex lines 85;
When the spike 86 is required to work, the sliding sleeve 84 is pulled down, the connecting sliding rod 87 slides down to the bottom along the vertical through groove 83, then the sliding sleeve 84 is rotated anticlockwise, the connecting sliding rod 87 slides into the arc-shaped groove 82 at the bottom, and at the moment, the spike 86 is inserted into a soil layer to bear force;
Because the connecting slide bar 87 is positioned in the arc-shaped groove 82 at the bottom, the spine 86 and the sliding column 81 cannot retract into the hollow support tube 74;
When the spike 86 is not required to work, the sliding sleeve 84 is rotated to enable the connecting sliding rod 87 to slide into the vertical through groove 83 again, and then the sliding sleeve 84 is pulled up until the connecting sliding rod 87 slides to the top of the vertical through groove 83;
Then the sliding sleeve 84 is rotated anticlockwise, the connecting sliding rod 87 slides into the arc-shaped groove 82 at the top, and the spike 86 and the sliding column 81 cannot extend out of the hollow supporting tube 74 due to gravity;
The bottoms of one ends of the two arc-shaped grooves 82 far away from the vertical through groove 83 can be provided with a concave part, so that the connecting sliding rod 87 is stable when being positioned at the position, and the condition that the connecting sliding rod 87 accidentally slides out of the arc-shaped grooves 82 is reduced.
Referring to fig. 1-8, a device for keeping a construction measurement standard pole vertical in real time is provided, which has the same structure as the second embodiment, except that:
The wind-proof assembly 9 is detachably connected with the bottom of the external connection disc 52 of the orientation adjusting assembly 5, the wind-proof assembly 9 covers the engineering measurement marker post 1, and when wind can blow the engineering measurement marker post 1, the wind-proof assembly 9 can overcome the influence of wind;
The wind blowing prevention assembly 9 comprises fixing lugs 91, transparent square barrels 92, connecting lugs 93 and connecting bolts 94, four fixing lugs 91 are arranged on the annular array at the bottom edge of the outer connecting disc 52, the transparent square barrels 92 are made of acrylic or transparent plastic, the connecting lugs 93 are fixedly connected to the middle parts of the four sides of the top of the transparent square barrels 92 respectively, each connecting lug 93 is connected with the fixing lug 91 through each connecting bolt 94, the disassembly and the installation of the transparent square barrels 92 can be realized through the connecting bolts 94, the four sides of the transparent square barrels 92 correspond to the four sides of the engineering measurement marker post 1, the light is prevented from changing due to angle differences, the measurement is prevented from being influenced, and the transparent square barrels 92 are only used when wind energy blows the engineering measurement marker post 1, so that the influence of the transparent square barrels 92 on measurement is reduced.
Referring to fig. 1-8, a device for keeping a post vertical in real time for engineering measurement is provided, which has the same structure as the third embodiment, and is different from the following components:
The lower connecting assembly comprises a lower annular belt 38, a lower mounting seat 39, a lower roller 310, a lower mounting shaft 311 and a lower limiting ring 312, wherein the top of the mounting sleeve 21 is fixedly connected with the lower mounting seat 39, the lower mounting seat 39 is rotatably connected with the lower mounting shaft 311 through a bearing, the middle part of the lower mounting shaft 311 is fixedly connected with the lower roller 310, the two ends of the outer periphery side of the lower roller 310 are respectively integrally formed with the lower limiting ring 312, the lower roller 310 is connected with the bottom of the lower annular belt 38, the top of the lower annular belt 38 is hung with the bottom of the upper annular pull belt 33, and the lower mounting shaft 311 is perpendicular to the upper mounting shaft 35;
The lower annular belt 38 is identical to the upper annular pull belt 33, the two annular belts facilitate the installation of the engineering measurement standard pole 1 at the bottom of the sleeve 21 to be in a vertical state under the gravity, so that the influence of friction force between the slip ring 32 and the bottom of the upper annular pull belt 33 on the vertical state of the engineering measurement standard pole 1 in the above embodiment is avoided;
the engineering measurement marker post 1 is in a free state through the cooperation of the two rollers and the two annular belts, so that the engineering measurement marker post 1 is in a vertical state only under the influence of gravity, and the real-time maintenance of the vertical state is realized.
Referring to fig. 1-8, a method for using a device for maintaining engineering measurement benchmarks in real time specifically includes the following steps:
s1: unfolding the folding movable rods 63 at four corners of the installation square plate 61, enabling the upper sides of the folding movable rods 63 to be parallel to the upper sides of the installation square plate 61, enabling the control square plate 66 in the folding movable rod locking control assembly to be attached to the upper sides of the installation square plate 61, and enabling the relative positions of the folding movable rods 63 and the installation square plate 61 to be fixed;
S2: the screw column 72 is twisted through the edge block 73, so that the screw column 72 and the nut 71 are relatively displaced up and down, and the supporting height of the folding movable rod 63 between the screw column 72 and the hollow supporting tube 74 is adjusted;
S3: the bottom end of the sliding column 81 and the spine 86 extend out of the bottom of the hollow support tube 74 through the spine telescopic control assembly, and then the spine 86 is inserted into the soil layer;
s4: the vertical state maintaining unit 3 is installed through the quick-dismantling installation unit 4, and the vertical state maintaining unit 3 enables the engineering measurement standard 1 to be always in a vertical state by means of the gravity of the engineering measurement standard 1
S5: adjusting the orientation adjustment assembly 5 to orient the engineering survey pole 1 in the proper direction;
S6: under the condition that the engineering measurement target 1 is rocked by wind, the wind blowing component 9 is arranged at the bottom of the external connection disc 52 of the orientation adjusting component 5, so that the wind blowing component 9 surrounds the engineering measurement target 1.
The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.
Claims (7)
1. The utility model provides a keep engineering survey marker post vertical device in real time, includes engineering survey marker post (1), its characterized in that still includes:
The construction measuring standard post mounting unit (2) comprises a mounting sleeve (21) and illumination components, wherein the mounting sleeve (21) is sleeved at the top of the engineering measuring standard post (1), and two illumination components are symmetrically arranged on two sides of the mounting sleeve (21);
The vertical state maintaining unit (3) comprises an upper annular pull belt (33), an upper mounting seat (34), an upper mounting shaft (35), upper rollers (36) and a lower connecting component, wherein the upper mounting seat (34) is rotationally connected with two ends of the upper mounting shaft (35) through a bearing, the middle part of the upper mounting shaft (35) is fixedly sleeved with the upper rollers (36), the upper rollers (36) are sleeved with the top of the upper annular pull belt (33), and the bottom of the inner side of the upper annular pull belt (33) is connected with the center of the top of the mounting sleeve (21) through the lower connecting component;
the bottom of the quick-release mounting unit (4) is connected with the top of the upper mounting seat (34), the top of the quick-release mounting unit (4) is connected with the folding framework unit (6) through the orientation adjusting assembly (5), and a detachable height control assembly (7) is arranged on the side surface of the folding framework unit (6);
The folding framework unit (6) comprises a mounting square plate (61), a movable shaft (62), folding movable rods (63) and a folding movable rod locking control assembly, wherein four corners of the mounting square plate (61) are respectively provided with mounting grooves, one ends of the four folding movable rods (63) are respectively movably connected in the four mounting grooves through the movable shaft (62), and the thicknesses of the mounting square plate (61) and the folding movable rods (63) are the same;
The folding movable rod locking control assembly comprises a convex disc (64), the center of the top of the installation square plate (61) is provided with the convex disc (64), the center of the top of the convex disc (64) is rotationally connected with the bottom end of a control bolt (67) through a bearing II (65), the control bolt (67) is in threaded connection with a screw hole in the middle of the control square plate (66), the bottom of the control square plate (66) is provided with a circular groove (610) corresponding to the convex disc (64), the control square plate (66) is provided with a limiting hole (69), and the top of the installation square plate (61) is fixedly connected with a limiting column (68) which is vertically and slidably connected with the limiting hole (69);
The orientation adjusting assembly (5) comprises a fixed disc (51), the bottom of a square mounting plate (61) is fixedly connected with the fixed disc (51) through bolts (55), at least six through holes (54) are formed in the edge annular array of the fixed disc (51), the bolts (55) penetrate through the through holes (54), an annular groove is formed in the upper side of the fixed disc (51), a rotating disc (53) is rotationally connected in the annular groove, a circular through groove communicated with the annular groove is formed in the bottom of the fixed disc (51), an outer connecting disc (52) is connected to the bottom of the rotating disc (53), and the bottom of the outer connecting disc (52) penetrates through the circular through groove;
The quick-release mounting unit (4) comprises a hollow inserted rod (41), the bottom center of an external connection disc (52) is fixedly connected with an inserted sleeve (42), side clamping grooves (43) are respectively formed in the two sides of the bottom of the inserted sleeve (42), the bottom of the hollow inserted rod (41) is fixedly connected with the top center of an upper mounting seat (34), chamfers are arranged on the two sides of the top of the hollow inserted rod (41), a guiding function is achieved when the hollow inserted rod (42) is inserted, a mounting plate (49) is arranged at the inner top of the hollow inserted rod (41), two sides of the mounting plate (49) are respectively connected with two locking blocks (411) through springs (410), sliding through grooves in the two sides of the top of the hollow inserted rod (41) are respectively connected with two locking blocks (411), wedge-shaped surfaces are respectively formed in the tops of the outer ends of the two locking blocks (411), one end bottoms of the hollow inserted rod (41) are respectively connected with a sliding connecting rod (45), transverse sliding rails (44) are fixedly connected in the hollow inserted rod (41), two sides of the transverse rails (44) are respectively connected with two sliding grooves (45) on the two sliding rods (46) respectively, the two sides of the two sliding rods (46) are respectively connected with the bottoms of the two sliding rods (46) in a sliding mode, and the two sliding rods (46) are respectively connected with the bottoms of the two sliding rods (46) in a sliding mode, the outer ends of the two pressing columns (46) are respectively sleeved with a pressing cap (47) made of silica gel;
The detachable height control assembly (7) comprises a hollow supporting tube (74), the other ends of the four folding movable rods (63) are respectively and fixedly connected with four nuts (71), each nut (71) is respectively and fixedly connected with a threaded column (72), the bottoms of the four threaded columns (72) are respectively connected with the tops of the four prismatic blocks (73), and the bottoms of the four prismatic blocks (73) are respectively connected with four vertical hollow supporting tubes (74).
2. The device for keeping the engineering measurement standard pole vertical in real time according to claim 1, wherein the lower connecting assembly comprises a connecting stud (31) and a sliding ring (32), the bottom end of the connecting stud (31) is connected with the inner thread of a top center screw hole of the mounting sleeve (21), the sliding ring (32) is connected with the top of the connecting stud (31), and the sliding ring (32) is connected with the inner bottom of the upper annular pull belt (33).
3. The real-time maintenance engineering survey pole vertical device according to claim 1, further comprising a safety piercing unit (8), wherein the bottoms of the four hollow support tubes (74) are respectively provided with the safety piercing unit (8).
4. A real-time maintenance engineering survey pole vertical device according to claim 3, wherein the safety ground thorn unit (8) comprises a sliding column (81), a spine (86) and a ground thorn telescopic control assembly, the bottoms of the inner sides of the four hollow support tubes (74) are respectively in sliding sleeve connection with the sliding column (81), the bottoms of the sliding column (81) are in conical structures and are connected with the top end of the spine (86), and the sliding column (81) is connected with the ground thorn telescopic control assembly.
5. The real-time maintenance engineering measurement standard pole vertical device according to claim 4, wherein the ground thorn telescopic control assembly comprises an arc groove (82), a vertical through groove (83), a sliding sleeve (84), a convex line (85) and a connecting sliding rod (87), the vertical through groove (83) is formed in the side face of the bottom of the hollow supporting tube (74), the arc groove (82) is formed in one side of the upper end and the lower end of the vertical through groove (83), the sliding sleeve (84) is movably sleeved on the side of the outer periphery of the bottom of the hollow supporting tube (74), one end of the connecting sliding rod (87) is connected to the inner side of the sliding sleeve (84), the other end of the connecting sliding rod (87) penetrates through the vertical through groove (83) and is connected to the sliding column (81), and the convex line (85) is arranged on the outer periphery of the sliding sleeve (84) at equal angles.
6. The device for keeping the engineering measurement standard upright in real time according to claim 5, further comprising a wind blowing prevention assembly (9), wherein the wind blowing prevention assembly (9) is detachably connected to the bottom of an external connection disc (52) of the orientation adjustment assembly (5), and the wind blowing prevention assembly (9) covers the engineering measurement standard (1).
7. The method for using the real-time maintenance engineering measurement standard pole vertical device according to claim 6, which is characterized by comprising the following steps:
S1: unfolding folding movable rods (63) at four corners of the installation square plate (61), enabling the upper sides of the folding movable rods (63) to be parallel to the upper sides of the installation square plate (61), enabling a control square plate (66) in a folding movable rod locking control assembly to be attached to the upper sides of the installation square plate (61), and enabling the relative positions of the folding movable rods (63) and the installation square plate (61) to be fixed;
S2: twisting the threaded column (72) through the edge block (73) to enable the threaded column (72) and the nut (71) to move up and down relatively, so that the supporting height of the folding movable rod (63) between the threaded column (72) and the hollow supporting tube (74) is adjusted;
S3: the bottom end of the sliding column (81) and the spike (86) extend out of the bottom of the hollow supporting tube (74) through the spike telescopic control assembly, and then the spike (86) is inserted into the soil layer;
S4: the vertical state holding unit (3) is installed through the quick-dismantling installation unit (4), and the vertical state holding unit (3) enables the engineering measurement standard (1) to be always in a vertical state by means of the gravity of the engineering measurement standard (1)
S5: adjusting the orientation adjusting assembly (5) to enable the engineering measurement target (1) to face in a proper direction;
s6: under the condition that the engineering measurement target (1) is rocked by wind, the wind-proof blowing component (9) is arranged at the bottom of an external connection disc (52) of the direction adjusting component (5), so that the wind-proof blowing component (9) surrounds the engineering measurement target (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210967149.1A CN115326039B (en) | 2022-08-11 | 2022-08-11 | Device for keeping engineering measurement marker post vertical in real time and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210967149.1A CN115326039B (en) | 2022-08-11 | 2022-08-11 | Device for keeping engineering measurement marker post vertical in real time and using method thereof |
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| CN115326039A CN115326039A (en) | 2022-11-11 |
| CN115326039B true CN115326039B (en) | 2024-04-19 |
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| CN116105705B (en) * | 2023-02-13 | 2023-07-18 | 蒙阴县自然资源和规划局 | Real-time vertical device for keeping engineering measurement marker post |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111609257A (en) * | 2020-03-26 | 2020-09-01 | 桂林电子科技大学 | Mark post keeps vertical device fast for engineering survey |
| KR102321750B1 (en) * | 2021-05-26 | 2021-11-05 | 주식회사 우주공간정보 | Ground fixing system for geodetic survey tripods |
| CN113776511A (en) * | 2021-09-14 | 2021-12-10 | 海安市华军测量有限责任公司 | Device for keeping engineering survey mark post vertical in real time |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111609257A (en) * | 2020-03-26 | 2020-09-01 | 桂林电子科技大学 | Mark post keeps vertical device fast for engineering survey |
| KR102321750B1 (en) * | 2021-05-26 | 2021-11-05 | 주식회사 우주공간정보 | Ground fixing system for geodetic survey tripods |
| CN113776511A (en) * | 2021-09-14 | 2021-12-10 | 海安市华军测量有限责任公司 | Device for keeping engineering survey mark post vertical in real time |
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