CN112212841A - Total powerstation of survey usefulness is put in urban geological survey - Google Patents
Total powerstation of survey usefulness is put in urban geological survey Download PDFInfo
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- CN112212841A CN112212841A CN202011090608.XA CN202011090608A CN112212841A CN 112212841 A CN112212841 A CN 112212841A CN 202011090608 A CN202011090608 A CN 202011090608A CN 112212841 A CN112212841 A CN 112212841A
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention relates to the technical field of geological exploration point surveying and mapping, and discloses a total station for urban geological exploration point surveying and mapping. This total powerstation of surveying and mapping usefulness is put in urban geological survey, through the base plate, the regulation and control organism, cooperation between the device is measured to declination detection device and declination, utilize the central point of balance plate and the centre of a circle point of smooth ball and the central point of transparent hollow glass ball to coincide mutually, be convenient for correspond the contained angle that holds through observing one side that balance plate and transparent hollow glass ball contacted on horizontal scale interval, the actual declination that observation instrument and horizontal plane exist, be convenient for rectify the angle of its instrument, the accuracy of total powerstation lofting measurement has been improved.
Description
Technical Field
The invention relates to the technical field of geological exploration point surveying and mapping, in particular to a total station for urban geological exploration point surveying and mapping.
Background
The total station is also called as a total station type electronic distance measuring instrument, is a high-technology measuring instrument integrating light, machine and electricity, is a surveying and mapping instrument system integrating horizontal angle, vertical angle, distance (slant distance, horizontal distance) and height difference measuring functions, and is called as a total station because the total station can finish all measuring work on the measuring station by arranging the instrument once; the method is widely applied to the field of precision engineering measurement or deformation monitoring of aboveground large buildings, underground tunnel construction and the like; the setting point is that a total station is set at one point, the other point is set with a prism, the coordinate of the measuring station and the instrument height are input, and then the coordinate of the orientation point is input.
In the point setting process of the existing total station, setting point coordinates are input according to the prompt of an instrument, and the input instrument displays an angle and a distance; therefore, the relation between a point to be lofted and a station is calculated according to a data instrument input by a user, then the total station is rotated to a horizontal angle, namely the horizontal angle of the total station is adjusted, the existing adjustment correction is that a water drop is arranged in a correction degree pipeline, the water drop is positioned at the central point of a degree pipe and is adjusted to be a horizontal position, then the water drop has a certain volume, whether the central point of the water drop is positioned at a zero scale value or not needs to be observed and judged at the moment, but the central point of the water drop is not marked corresponding to different colors or marks, therefore, a certain deviation between the position of an actual zero scale value and the position of a corrected zero scale value is easily caused, and after the adjustment is carried out, in the process of adjusting the included angle of the instrument, the water drop is easy to cause the sliding and further causes the process of adjusting the teaching angle to be slower, the working efficiency of the point placement is influenced, and therefore the total station for surveying and mapping the point placement in the urban geological survey is provided.
Disclosure of Invention
The invention provides a total station for surveying and mapping of urban geological survey lofting points, which has the advantages of facilitating the correction of the angle of the instrument, effectively reducing the error existing during the correction, improving the lofting measurement accuracy and the working efficiency of the total station, solving the problems that the adjustment and correction of the existing total station are realized by arranging a water drop in a correction degree pipeline, the water drop is positioned at the central point of the correction degree pipeline and is adjusted to be a horizontal position, then because the water drop has a certain volume, whether the central point of the water drop is positioned at a zero scale value or not needs to be observed and judged, but the central point of the water drop is not marked by corresponding different colors or marks, therefore, the position of the actual zero scale value and the position of the corrected zero scale value have certain deviation, and simultaneously, after the total station is corrected, in the process of adjusting the included angle of the instrument, the water drop is easy to continuously slide due to the lubricity of the, and then the training angle process is slower, and the work efficiency of point placement is influenced.
In order to achieve the above purpose, the invention provides the following technical scheme to realize: a total station for surveying and mapping urban geological survey placement comprises a base plate, wherein a regulating body is arranged at the top of the base plate, deflection angle detection devices are fixedly connected to the middle of the lower surface of the regulating body, arc-shaped cylinders are fixedly connected to the middle, the left and the right of the upper surface of the base plate, the two arc-shaped cylinders are mutually symmetrical by taking the center line of the deflection angle detection devices in the vertical direction as a symmetry axis, the right side of one arc-shaped cylinder is connected with the left side of the deflection angle detection device in a clamping manner, the left side of the other arc-shaped cylinder is connected with the right side of the deflection angle detection device in a clamping manner, an arc-shaped containing plate is fixedly connected to the middle of the upper surface of the base plate, the interior of the arc-shaped containing plate is movably sleeved with the bottom of the deflection angle detection device, the deflection angle detection device comprises transparent hollow glass balls, and the bottoms of the transparent hollow glass balls, the transparent hollow glass ball is characterized in that transverse scale values are arranged inside the transparent hollow glass ball, the transverse scale values are uniformly distributed on the circumference of a tangent plane in the vertical direction along the connecting line of the inner surface of the transparent hollow glass ball and the center lines of the two arc-shaped cylinders, the vertical scale values are arranged inside the transparent hollow glass ball, the vertical scale values are uniformly distributed on the circumference of the tangent plane in the vertical direction along the inner surface of the transparent hollow glass ball, and a vertical groove is formed in the bottom of the transparent hollow glass ball.
Optionally, the left and right sides of transparent hollow glass ball all is provided with arc balance plate, two the left side and the right side that one side in opposite directions of arc balance plate corresponds with transparent hollow glass ball respectively contact, two the inside looks adaptation of arc balance plate and arc section of thick bamboo, the bottom of arc balance plate runs through the arc section of thick bamboo that is located transparent hollow glass ball with one side and extends to the inside of arc section of thick bamboo, the surface of arc balance plate and the inside swing joint of arc section of thick bamboo, the equal fixedly connected with of one side that transparent hollow glass ball was kept away from to the arc section of thick bamboo rectifies securing device.
Optionally, the correction securing device is including a fixed cylinder, the right side of a fixed cylinder is provided with the fastening pin plate, the left end of fastening pin plate runs through a fixed cylinder and an arc-shaped cylinder and extends to the inside of an arc-shaped cylinder, the left end of fastening pin plate and the right side looks joint of arc-shaped balance plate, the surface of fastening pin plate and the equal swing joint in inside of a fixed cylinder and an arc-shaped cylinder, the fastening pin plate is located the inside fixedly connected with clamping plate of a fixed cylinder, the surface of clamping plate and the outside swing joint of a fixed cylinder inner chamber.
Optionally, the outside activity of fastening cotter is cup jointed with flexible part, the bottom of flexible part and the top fixed connection of the card solid board, the bottom of flexible part and the top fixed connection of fixed cylinder inner chamber, the right side activity that the fastening cotter is located the fixed cylinder has cup jointed annular limiting plate, the right side fixed connection of fixed cylinder has concave cardboard, the bottom of annular limiting plate and the inside looks joint of concave cardboard.
Optionally, a deflection angle measuring device is arranged in the middle of the inner cavity of the transparent hollow glass ball, the deflection angle measuring device comprises a support column, the bottom end of the support column penetrates through the transparent hollow glass ball and the vertical groove and extends to the middle of the upper surface of the base plate, the bottom end of the support column is fixedly connected with the middle of the upper surface of the base plate, the top of the support column is fixedly connected with a positioning clamping plate, the top of the positioning clamping plate is fixedly connected with a balance adjusting supporting device, the balance adjusting supporting device comprises a smooth ball, the smooth ball is located in the center of the inner cavity of the transparent hollow glass ball, a spherical shell is movably sleeved on the outer surface of the smooth ball, an annular groove matched with the positioning clamping plate is formed in the bottom of the spherical shell, a balance plate is fixedly connected to the outer surface of the balance adjusting supporting device, and the central point of the balance plate and the center point of the smooth, the outer surface of the balance plate is movably connected with the inner cavity of the transparent hollow glass ball.
The invention provides a total station for surveying and mapping urban geological survey, which has the following beneficial effects:
1. this total powerstation that urban geological survey was put a survey and drawing and is used, through the base plate, the regulation and control organism, cooperation between the device is measured to declination detection device and declination, and the bottom of support column and the middle part fixed connection of base plate upper surface, and utilize the central point of balance plate and the centre of a circle point of smooth ball and the central point of transparent hollow glass ball to coincide mutually, be convenient for correspond the contained angle that holds on horizontal scale interval through observing one side that balance plate and transparent hollow glass ball contacted, thereby the actual declination that observation instrument and horizontal plane exist, then be convenient for rectify the angle of its instrument, the error that exists when effectively reducing the correction, the accuracy of total powerstation lofting measurement has been improved.
2. This total powerstation of surveying and mapping usefulness is put in urban geological survey, through declination detection device, the device is weighed to the declination, a curved canister, rectify the cooperation between securing device and the curved balancing board, promote two curved balancing boards one side in opposite directions and contact with the left side and the right side that transparent hollow glass ball corresponds respectively, rotatory annular limiting plate makes its and the concave type cardboard phase separation on the fixed cylinder, then slowly release fastening pin board, right side looks joint to it with curved balancing board, be convenient for then rectify the instrument, effectively reduce the time of total powerstation alignment process, improve the work efficiency that the total powerstation was put some.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is an enlarged schematic view of the deflection angle measuring device according to the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 3;
FIG. 5 is a detailed structural diagram of the balance-adjusting supporting device in FIG. 3;
fig. 6 is a schematic top view of the balance board in fig. 3.
In the figure: 1. a base plate; 2. regulating and controlling the organism; 3. an arc-shaped containing disc; 4. a deflection angle detection device; 41. transparent hollow glass spheres; 42. a transverse scale value; 43. a vertical scale value; 44. a vertical slot; 5. an arc-shaped cylinder; 6. a deflection angle measuring device; 61. a support pillar; 62. positioning a clamping plate; 63. a balance adjusting support device; 631. a spherical shell; 632. an annular groove; 633. a smooth ball; 64. a balance plate; 7. correcting the stabilizing device; 71. a fixed cylinder; 72. fastening a pin plate; 73. an elastic expansion member; 74. a clamping and fixing plate; 75. an annular limiting plate; 8. an arc-shaped balance plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a total station for surveying and mapping urban geological survey points comprises a base plate 1, a control body 2 is arranged on the top of the base plate 1, a deflection angle detection device 4 is fixedly connected to the middle of the lower surface of the control body 2, arc-shaped cylinders 5 are fixedly connected to the middle, left and right sides of the upper surface of the base plate 1, the two arc-shaped cylinders 5 are mutually symmetrical with the central line of the deflection angle detection device 4 in the vertical direction as a symmetry axis, the right side of one arc-shaped cylinder 5 is connected with the left side of the deflection angle detection device 4 in a clamping manner, the left side of the other arc-shaped cylinder 5 is connected with the right side of the deflection angle detection device 4 in a clamping manner, an arc-shaped containing plate 3 is fixedly connected to the middle of the upper surface of the base plate 1, the interior of the arc-shaped containing plate 3 is movably sleeved with the bottom of the deflection angle detection device 4, the deflection angle detection device 4, the bottom of the transparent hollow glass ball 41 is movably sleeved with the inner surface of the arc-shaped containing disc 3, a transverse scale value 42 is arranged inside the transparent hollow glass ball 41, the transverse scale value 42 is uniformly distributed on the circumference of a tangent plane in the vertical direction along the connecting line of the inner surface of the transparent hollow glass ball 41 and the center lines of the two arc-shaped cylinders 5, a vertical scale value 43 is arranged inside the transparent hollow glass ball 41, the vertical scale value 43 is uniformly distributed on the circumference of the tangent plane in the vertical direction along the inner surface of the transparent hollow glass ball 41, and a vertical groove 44 is formed in the bottom of the transparent hollow glass ball 41.
Wherein, the left and right sides of transparent hollow glass ball 41 all is provided with arc balance plate 8, two one side in opposite directions of arc balance plate 8 contacts with the left side and the right side that transparent hollow glass ball 41 corresponds respectively, two the inside looks adaptation of arc balance plate 8 and arc section of thick bamboo 5, the bottom of arc balance plate 8 runs through the arc section of thick bamboo 5 that is located transparent hollow glass ball 41 with one side and extends to the inside of arc section of thick bamboo 5, the surface of arc balance plate 8 and the inside swing joint of arc section of thick bamboo 5, the equal fixedly connected with in one side that transparent hollow glass ball 41 was kept away from to arc section of thick bamboo 5 rectifies securing device 7.
Wherein, the correcting and stabilizing device 7 comprises a fixed cylinder 71, a fastening pin plate 72 is arranged on the right side of the fixed cylinder 71, the left end of the fastening pin plate 72 penetrates through the fixed cylinder 71 and the arc cylinder 5 and extends to the inside of the arc cylinder 5, the left end of the fastening pin plate 72 is clamped with the right side of the arc balance plate 8, the outer surface of the fastening pin plate 72 is movably connected with the inside of the fixed cylinder 71 and the arc cylinder 5, the fastening pin plate 72 is fixedly connected with a clamping plate 74 in the fixed cylinder 71, the outer surface of the clamping plate 74 is movably connected with the outer side of the inner cavity of the fixed cylinder 71, the opposite sides of the two arc balance plates 8 are pushed to respectively contact with the left side and the right side corresponding to the transparent hollow glass ball 41, the annular limiting plate 75 is rotated to separate from the concave clamping plate on the fixed cylinder 71, and then the fastening pin plate 72 is slowly released until the fastening pin plate is clamped with the right side of the arc balance plate 8, therefore, the instrument is convenient to correct, the time of the total station in the correction process is effectively shortened, and the working efficiency of point placement of the total station is improved.
The outer side of the fastening pin plate 72 is movably sleeved with an elastic telescopic part 73, the bottom end of the elastic telescopic part 73 is fixedly connected with the top of the clamping and fixing plate 74, the bottom end of the elastic telescopic part 73 is fixedly connected with the top of the inner cavity of the fixed cylinder 71, the fastening pin plate 72 is movably sleeved with the annular limiting plate 75 on the right side of the fixed cylinder 71, the concave clamping plate is fixedly connected to the right side of the fixed cylinder 71, the bottom of the annular limiting plate 75 is clamped with the inside of the concave clamping plate, and the position of the fastening pin plate 72 is limited conveniently, so that the position of the arc balancing plate 8 can be conveniently slid, and the arc balancing plate 8 can be conveniently pushed to contact with the transparent hollow glass ball 41.
Wherein, the middle part of the inner cavity of the transparent hollow glass ball 41 is provided with a deflection angle measuring device 6, the deflection angle measuring device 6 comprises a support column 61, the bottom end of the support column 61 penetrates through the transparent hollow glass ball 41 and the vertical groove 44 and extends to the middle part of the upper surface of the base plate 1, the bottom end of the support column 61 is fixedly connected with the middle part of the upper surface of the base plate 1, the top part of the support column 61 is fixedly connected with a positioning clamping plate 62, the top part of the positioning clamping plate 62 is fixedly connected with a balance adjusting supporting device 63, the balance adjusting supporting device 63 comprises a smooth ball 633, the smooth ball 633 is positioned at the center of the inner cavity of the transparent hollow glass ball 41, the outer surface of the smooth ball 633 is movably sleeved with a spherical shell 631, the bottom part of the spherical shell 631 is provided with an annular groove 632 matched with the positioning clamping plate 62, the outer surface of the balance adjusting supporting, the central point of balance plate 64 and the centre of a circle point of smooth ball 633 coincide with the central point of transparent hollow glass ball 41, the surface of balance plate 64 and the inner chamber swing joint of transparent hollow glass ball 41 utilize the central point of balance plate 64 and the centre of a circle point of smooth ball 633 to coincide with the central point of transparent hollow glass ball 41, be convenient for through observing the contained angle that one side that balance plate 64 and transparent hollow glass ball 41 contacted corresponds to and is established on horizontal scale value 42 to the actual declination that observation instrument and horizontal plane exist is convenient for rectify the angle of its instrument then, effectively reduces the error that exists when rectifying, has improved the accuracy that the total powerstation lofted and measured.
The working steps are that firstly, the station is built, firstly, the coordinates of the station are input, according to the prompt, the coordinates of the rear viewpoint are input, the instrument is aligned with the rear viewpoint, by utilizing the coincidence of the central point of the balance plate 64 and the center point of the smooth ball 633 with the central point of the transparent hollow glass ball 41, the corresponding included angle on the transverse scale value 42 on the side where the balance plate 64 is contacted with the transparent hollow glass ball 41 is observed, thereby observing the actual deflection angle of the instrument and the horizontal plane, facilitating the correction of the angle of the instrument, pushing the opposite sides of the two arc-shaped balance plates 8 to be respectively contacted with the corresponding left side and right side of the transparent hollow glass ball 41, rotating the annular limit plate 75 to separate the annular limit plate from the concave clamping plate on the fixed cylinder 71, the securing pin plate 72 is then slowly released until it snaps into engagement with the right side of the arc balance plate 8, which in turn facilitates calibration of the instrument.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a total powerstation of survey and drawing usefulness of urban geological survey point, includes base dish (1), its characterized in that: the top of the base plate (1) is provided with a regulation and control machine body (2), the middle part of the lower surface of the regulation and control machine body (2) is fixedly connected with a deflection angle detection device (4), the middle and left sides of the upper surface of the base plate (1) are fixedly connected with arc-shaped cylinders (5), the two arc-shaped cylinders (5) are mutually symmetrical by taking the central line of the vertical direction of the deflection angle detection device (4) as a symmetrical axis, the right side of one arc-shaped cylinder (5) is clamped with the left side of the deflection angle detection device (4), the left side of the other arc-shaped cylinder (5) is clamped with the right side of the deflection angle detection device (4), the middle part of the upper surface of the base plate (1) is fixedly connected with an arc containing plate (3), the interior of the arc containing plate (3) is movably sleeved with the bottom of the deflection angle detection device (4), the deflection angle detection device (4) comprises a transparent hollow glass ball (41, the bottom of transparent hollow glass ball (41) cup joints with the internal surface activity of arc holding tray (3), horizontal scale interval (42) have been seted up to the inside of transparent hollow glass ball (41), evenly distributed on the tangent plane circumference of horizontal scale interval (42) along transparent hollow glass ball (41) internal surface and two arc section of thick bamboos (5) central line connecting line and vertical direction, vertical scale interval (43) have been seted up to the inside of transparent hollow glass ball (41), evenly distributed on the tangent plane circumference of vertical direction of vertical scale interval (43) along transparent hollow glass ball (41) internal surface, vertical groove (44) have been seted up to the bottom of transparent hollow glass ball (41).
2. The total station of claim 1, wherein said total station comprises: the left and right sides of transparent hollow glass ball (41) all is provided with arc balance plate (8), two one side in opposite directions of arc balance plate (8) contacts with left side and right side that transparent hollow glass ball (41) correspond respectively, two the inside looks adaptation of arc balance plate (8) and arc section of thick bamboo (5), the bottom of arc balance plate (8) runs through arc section of thick bamboo (5) that lie in transparent hollow glass ball (41) with one side and extends to the inside of arc section of thick bamboo (5), the surface of arc balance plate (8) and the inside swing joint of arc section of thick bamboo (5), the equal fixedly connected with in one side of transparent hollow glass ball (41) is kept away from in arc section of thick bamboo (5) rectifies securing device (7).
3. The total station of claim 2, wherein said total station comprises: rectify securing device (7) including solid fixed cylinder (71), the right side of solid fixed cylinder (71) is provided with fastening pin board (72), the left end of fastening pin board (72) runs through solid fixed cylinder (71) and arc cylinder (5) and extends to the inside of arc cylinder (5), the left end of fastening pin board (72) and the right side looks joint of arc balance plate (8), the equal swing joint in inside of the surface of fastening pin board (72) and solid fixed cylinder (71) and arc cylinder (5), the inside fixedly connected with card solid board (74) that fastening pin board (72) are located solid fixed cylinder (71), the outside swing joint of the surface of card solid board (74) and solid fixed cylinder (71) inner chamber.
4. The total station of claim 3, wherein said total station comprises: elastic telescopic parts (73) are sleeved in the outer side of the fastening pin plate (72) in a movable mode, the bottom end of each elastic telescopic part (73) is fixedly connected with the top of the clamping plate (74), the bottom end of each elastic telescopic part (73) is fixedly connected with the top of the inner cavity of the fixed cylinder (71), the fastening pin plate (72) is located on the right side of the fixed cylinder (71) in a movable mode and is sleeved with the annular limiting plate (75), the concave clamping plate is fixedly connected to the right side of the fixed cylinder (71), and the bottom of the annular limiting plate (75) is connected with the inside of the concave clamping plate in a clamping mode.
5. The total station of claim 1, wherein said total station comprises: the middle part of the inner cavity of the transparent hollow glass ball (41) is provided with a deflection angle measuring device (6), the deflection angle measuring device (6) comprises a support column (61), the bottom end of the support column (61) penetrates through the transparent hollow glass ball (41) and a vertical groove (44) and extends to the middle part of the upper surface of a base plate (1), the bottom end of the support column (61) is fixedly connected with the middle part of the upper surface of the base plate (1), the top part of the support column (61) is fixedly connected with a positioning clamping plate (62), the top part of the positioning clamping plate (62) is fixedly connected with a balance adjusting supporting device (63), the balance adjusting supporting device (63) comprises a smooth ball (633), the smooth ball (633) is positioned at the center of the inner cavity of the transparent hollow glass ball (41), the outer surface of the smooth ball (633) is movably sleeved with a spherical shell (631), the bottom of the spherical shell (631) is provided with an annular groove (632) matched with the positioning clamping plate (, the outer surface of the balance adjusting and supporting device (63) is fixedly connected with a balance plate (64), the central point of the balance plate (64) and the center point of the smooth ball (633) are coincided with the central point of the transparent hollow glass ball (41), and the outer surface of the balance plate (64) is movably connected with the inner cavity of the transparent hollow glass ball (41).
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| CN202011090608.XA CN112212841B (en) | 2020-10-13 | 2020-10-13 | Total powerstation of survey usefulness is put in urban geological survey |
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| CN202011090608.XA CN112212841B (en) | 2020-10-13 | 2020-10-13 | Total powerstation of survey usefulness is put in urban geological survey |
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| CN201548230U (en) * | 2009-11-25 | 2010-08-11 | 余兵 | Spirit level for measuring arbitrary angle in 360 degrees |
| US20150040412A1 (en) * | 2012-02-22 | 2015-02-12 | Centre National De La Recherche Seientifique | Inclinometer |
| CN109839103A (en) * | 2019-04-15 | 2019-06-04 | 湖南科技大学 | Adjustable type curve level and usage for building construction measurement |
| CN209927137U (en) * | 2019-06-17 | 2020-01-10 | 王剑 | Adjustable surveying and mapping support for land surveying and mapping |
| CN110686658A (en) * | 2019-10-31 | 2020-01-14 | 韦炳善 | Ink line instrument for construction measurement |
| CN110763184A (en) * | 2019-11-07 | 2020-02-07 | 徐州丽斯顿工业设计有限公司 | Declination tester |
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2020
- 2020-10-13 CN CN202011090608.XA patent/CN112212841B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201548230U (en) * | 2009-11-25 | 2010-08-11 | 余兵 | Spirit level for measuring arbitrary angle in 360 degrees |
| US20150040412A1 (en) * | 2012-02-22 | 2015-02-12 | Centre National De La Recherche Seientifique | Inclinometer |
| CN109839103A (en) * | 2019-04-15 | 2019-06-04 | 湖南科技大学 | Adjustable type curve level and usage for building construction measurement |
| CN209927137U (en) * | 2019-06-17 | 2020-01-10 | 王剑 | Adjustable surveying and mapping support for land surveying and mapping |
| CN110686658A (en) * | 2019-10-31 | 2020-01-14 | 韦炳善 | Ink line instrument for construction measurement |
| CN110763184A (en) * | 2019-11-07 | 2020-02-07 | 徐州丽斯顿工业设计有限公司 | Declination tester |
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| CN112212841B (en) | 2022-09-09 |
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