CN112393715A - Topographic surveying and mapping device with marking function - Google Patents
Topographic surveying and mapping device with marking function Download PDFInfo
- Publication number
- CN112393715A CN112393715A CN202011313212.7A CN202011313212A CN112393715A CN 112393715 A CN112393715 A CN 112393715A CN 202011313212 A CN202011313212 A CN 202011313212A CN 112393715 A CN112393715 A CN 112393715A
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- wall
- marking
- rod
- surveying
- topographic
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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
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
- G01C9/24—Measuring inclination, e.g. by clinometers, by levels by using liquids in closed containers partially filled with liquid so as to leave a gas bubble
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a topographic surveying and mapping device with a marking function, which comprises a bottom plate, wherein a supporting rod is arranged on the outer wall of the top of the bottom plate, a fixed seat is fixedly connected to the top end of the supporting rod, a universal ball is rotatably arranged inside the fixed seat, the outer wall of the bottom of the universal ball is connected with a balancing weight through a connecting rod, threaded holes are formed in the outer walls of the two sides of the fixed seat, fixing bolts are in threaded connection with the inner walls of the threaded holes, a placing plate is arranged on the outer wall of the top of the universal ball, a surveying and mapping instrument is arranged on the outer wall of the top of the placing plate, sleeves are arranged at four corners of the outer wall of the top of the placing plate, a first spring. The device can fix the surveying instrument with different sizes, has very simple horizontal calibration and better use effect, is convenient to disassemble and assemble, and simultaneously ensures the stability of the device during use.
Description
Technical Field
The invention relates to the technical field of topographic mapping, in particular to a topographic mapping device with a marking function.
Background
The topographic survey and drawing is to measure and draw the terrain, take computer technology, photoelectric technology, network communication technology, space science and information science as the basis, take a global navigation satellite positioning system, remote sensing and geographic information system as the technical core, and obtain the figure and position information reflecting the current situation of the ground by the existing characteristic points and boundary lines of the ground through the measurement means, so as to be used for planning design and administrative management of engineering construction.
At present, current topography mapping device still has certain weak point, and device and surveying appearance be the integral structure usually, can't dismantle, and the surveying appearance belongs to more meticulous instrument, and the in-process that together carries the transportation with the device takes place easily to collide with, and the horizontal calibration is more troublesome in the use to can't mark the survey and drawing point, consequently, need to design a topography mapping device with marking function to solve above-mentioned problem urgently.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a topographic surveying and mapping device with a marking function.
In order to achieve the purpose, the invention adopts the following technical scheme:
a topographic surveying and mapping device with a marking function comprises a bottom plate, wherein a supporting rod is arranged on the outer wall of the top of the bottom plate, the top end of the supporting rod is fixedly connected with a fixed seat, a universal ball is rotatably arranged inside the fixed seat, the outer wall of the bottom of the universal ball is connected with a balancing weight through a connecting rod, the outer walls of the two sides of the fixed seat are both provided with threaded holes, and the inner wall of the threaded hole is connected with a fixing bolt in a threaded manner, the outer wall of the top of the universal ball is provided with a placing plate, and the outer wall of the top of the placing plate is provided with a surveying instrument, four corners of the outer wall of the top of the placing plate are provided with sleeves, and the inner wall of the bottom of the sleeve is provided with a first spring, the top end of the first spring is provided with a telescopic rod, and the top end of the telescopic rod is provided with a top plate, the outer wall of the top plate is provided with a handle, the bottom plate is provided with a marking mechanism, and the bottom plate is also provided with a fixing mechanism.
As a still further scheme of the invention: the bottom outer wall of roof is provided with the equidistance and is the gag lever post that the annular distributes, and the material of gag lever post is rubber.
As a still further scheme of the invention: the top outer wall of the placing plate is provided with a plurality of rubber pads.
As a still further scheme of the invention: the marking mechanism includes solid fixed cylinder, mark box and row's material pipe, the position that bottom plate top outer wall is close to the centre is opened there is the installing port, and solid fixed cylinder is fixed to be set up in the installing port, the mark box passes through the bearing and rotates and set up in solid fixed cylinder, arrange the fixed bottom outer wall that sets up in the mark box of material pipe, the top outer wall of mark box is opened there is the slide opening, and the inner wall sliding connection of slide opening has the holding rod, the bottom of holding rod is provided with the rubber buffer, and the rubber buffer sets up in arranging the material pipe.
As a still further scheme of the invention: the outer wall of one side of the discharge pipe is provided with a discharge port.
As a still further scheme of the invention: fixed establishment includes ground stake and inserted bar, fixed mouthful has all been opened to four corners of bottom plate top outer wall, and ground stake is fixed to be set up in fixed mouthful, the outer wall of ground stake has cup jointed the rotary drum, and the top inner wall of rotary drum is provided with the dwang, the inserted bar passes through the ear seat and rotates and set up in the outer wall all around of dwang, the outer wall of ground stake is opened has and is inserted bar matched with fixed orifices.
As a still further scheme of the invention: the shape of inserted bar is the arc.
As a still further scheme of the invention: the outer wall of both sides of rotary drum all opens the through-hole, and the inner wall of through-hole is pegged graft and is had the bolt, the outer wall of bolt is provided with the second spring, and the one end of second spring and the outer wall fixed connection of rotary drum, the both sides outer wall of ground stake is opened has the slot with bolt matched with.
As a still further scheme of the invention: and a bubble level meter is arranged on the outer wall of the top plate.
The invention has the beneficial effects that:
1. through the arranged universal ball, the balancing weight, the fixing bolt, the sleeve, the first spring and the limiting rod, before the surveying instrument is installed, due to the gravity action of the balancing weight, the placing plate on the universal ball can be placed horizontally, then the fixing bolt in the threaded hole can be rotated, one end of the fixing bolt is abutted against the universal ball, the position of the placing plate can be fixed, then the handle can be held, the top plate is pulled upwards, the telescopic rod stretches the first spring in the sleeve, at the moment, the surveying instrument can be placed on the placing plate, the handle is loosened, the first spring can pull the top plate back downwards, the positions around the surveying instrument can be limited through the limiting rod on the top plate, the structure enables the device to fix the surveying instruments with different sizes, the horizontal calibration is very simple, and the using effect is better;
2. through the arranged ground pile, the rotating rod, the bolt and the inserted rod, when the device is fixed, the ground pile can be inserted into soil, then the rotating cylinder on the ground pile is rotated, at the moment, the rotating rod on the rotating cylinder rotates along with the rotating cylinder until the bolt is clamped into the slot on the ground pile under the action of the second spring elasticity, so that the inserted rod connected with the ear seat on the rotating rod can be moved out of the fixing hole and inserted into the soil around the ground pile, the stability of the device is effectively improved, when the ground pile needs to be moved out in the later period, the bolt can be firstly pulled out, the rotating cylinder is reversely rotated, the inserted rod is retracted into the ground pile again, the operation is very simple, the device is convenient to disassemble and assemble, and meanwhile, the stability of the device during use is also ensured;
3. through the fixed cylinder that sets up, arrange the material pipe, the bin outlet, the mark box, holding rod and rubber buffer, when surveying and mapping completion needs to carry out the mark to the plotting point, can upwards carry the holding rod of pulling, make the rubber buffer of holding rod bottom shift out from arranging the material pipe, lime powder in the mark box can get into and arrange the material pipe this moment, rotate the holding rod simultaneously, can drive the mark box and rotate, make row material pipe can locate the drawing circle in the plotting position, the drawing circle in-process, lime powder can be followed the bin outlet derivation on arranging the material pipe and stayed in the circle, guarantee that the lime powder that is used for the mark is difficult for being blown away by the wind, excellent in use effect.
Drawings
Fig. 1 is a schematic cross-sectional view of a topographic surveying and mapping apparatus having a marking function as set forth in example 1;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of the structure at B in FIG. 1;
FIG. 4 is a schematic top view of a ground pile of the topographic mapping device with marking function as set forth in embodiment 1;
FIG. 5 is a schematic view of the structure at C in FIG. 1;
fig. 6 is a schematic structural diagram of a bubble level of the topographic mapping apparatus with marking function as set forth in example 2.
In the figure: 1 bottom plate, 2 ground piles, 3 bracing pieces, 4 inserted bars, 5 balancing weights, 6 screw holes, 7 fixing bases, 8 fixing bolts, 9 universal balls, 10 sleeves, 11 first springs, 12 telescopic rods, 13 top plates, 14 limiting rods, 15 handles, 16 surveying and mapping instruments, 17 rubber pads, 18 placing plates, 19 rotary drums, 20 rotary rods, 21 bolts, 22 second springs, 23 slots, 24 fixing holes, 25 fixing drums, 26 marking boxes, 27 discharging pipes, 28 discharging ports, 29 holding rods, 30 rubber plugs and 31 bubble gradienters.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1
Referring to fig. 1-5, a topographic surveying and mapping device with a marking function comprises a bottom plate 1, a supporting rod 3 is arranged on the outer wall of the top of the bottom plate 1, a fixing seat 7 is fixedly connected to the top end of the supporting rod 3, a universal ball 9 is rotatably arranged inside the fixing seat 7, the outer wall of the bottom of the universal ball 9 is connected with a balancing weight 5 through a connecting rod, threaded holes 6 are respectively formed in the outer walls of two sides of the fixing seat 7, fixing bolts 8 are connected to the inner walls of the threaded holes through threads, a placing plate 18 is arranged on the outer wall of the top of the universal ball 9, a surveying instrument 16 is arranged on the outer wall of the top of the placing plate 18, sleeves 10 are respectively arranged at four corners of the outer wall of the top of the placing plate 18, first springs 11 are arranged on the inner wall of the bottom of the sleeves 10, telescopic rods, the bottom plate 1 is provided with a marking mechanism, and the bottom plate 1 is also provided with a fixing mechanism.
The bottom outer wall of roof 13 is provided with the equidistance and is the gag lever post 14 that the annular distributes, and the material of gag lever post 14 is rubber, avoids surveying instrument 16 to be pressed from both sides badly.
The top outer wall of the placing plate 18 is provided with a plurality of rubber pads 17, so that the friction force between the placing plate and the surveying instrument 16 can be increased.
The marking mechanism includes a fixed cylinder 25, mark box 26 and row's material pipe 27, the position that bottom plate 1 top outer wall is close to the centre is opened there is the installing port, and fixed cylinder 25 is fixed to be set up in the installing port, mark box 26 passes through the bearing and rotates and set up in fixed cylinder 25, arrange the fixed bottom outer wall that sets up in mark box 26 of material pipe 27, the top outer wall of mark box 26 is opened there is the slide opening, and the inner wall sliding connection of slide opening has holding rod 29, the bottom of holding rod 29 is provided with rubber buffer 30, and rubber buffer 30 sets up in arranging material pipe 27.
The outer wall of one side of the discharge pipe 27 is provided with a discharge opening 28, so that the lime powder discharge process is smoother.
Fixed establishment includes ground stake 2 and inserted bar 4, and four corners of 1 top outer wall of bottom plate have all been opened fixed mouthful, and ground stake 2 is fixed to be set up in fixed mouthful, and the outer wall of ground stake 2 has cup jointed rotary drum 19, and the top inner wall of rotary drum 19 is provided with dwang 20, and inserted bar 4 rotates through the ear seat and sets up in dwang 20 outer wall all around, and the outer wall of ground stake 2 is opened has and is inserted bar 4 matched with fixed orifices 24.
The shape of the inserted link 4 is arc.
In order to ensure the stability of the inserted bar 4 after the inserted bar 4 is moved out, through holes are formed in the outer walls of the two sides of the rotary drum 19, a bolt 21 is inserted into the inner wall of each through hole, a second spring 22 is arranged on the outer wall of each bolt 21, one end of each second spring 22 is fixedly connected with the outer wall of the rotary drum 19, and slots 23 matched with the bolts 21 are formed in the outer walls of the two sides of the ground pile 2.
The working principle is as follows: during the fixing device, the ground pile 2 can be inserted into soil, then the rotary drum 19 on the ground pile 2 is rotated, at the moment, the rotary rod 20 on the rotary drum 19 rotates along with the rotary drum 19 until the bolt 21 is clamped into the slot 23 on the ground pile 2 under the action of the elastic force of the second spring 22, so that the inserted rod 4 connected with the lug seat on the rotary rod 20 can be moved out from the fixing hole 24 and inserted into the soil around the ground pile 2, the stability of the device is effectively improved, when the ground pile 2 needs to be moved out later, the bolt 21 can be firstly drawn out, the rotary drum 19 is reversely rotated, so that the inserted rod 4 is retracted into the ground pile 2 again, the operation is very simple, the stability of the device during use is ensured when the device is convenient to disassemble and assemble, before the surveying instrument 16 is installed, the placing plate 18 on the universal ball 9 can be horizontally placed due to the gravity action of the balancing weight 5, then the fixing bolt 8 in the threaded hole 6 can, so that one end of the fixing bolt 8 is abutted against the universal ball 9, the position of the placing plate 18 can be fixed, then the holding handle 15 can be held, the top plate 13 is pulled upwards, the telescopic rod 12 stretches the first spring 11 in the sleeve 10, at the moment, the surveying instrument 16 can be placed on the placing plate 18, the holding handle 15 is loosened, the top plate 13 can be pulled back downwards by the first spring 11, the peripheral position of the surveying instrument 16 can be limited by the limiting rod 14 on the top plate 13, the structure enables the device to fix the surveying instruments 16 with different sizes, the horizontal calibration is very simple, the using effect is better, when the surveying and mapping are completed and the surveying and mapping points need to be marked, the holding rod 29 can be pulled upwards, the rubber plug 30 at the bottom end of the holding rod 29 is moved out of the material discharging pipe 27, at the moment, the lime powder in the marking box 26 can enter the material discharging pipe 27, and the holding rod 29 is rotated to drive the marking box 26 to rotate, make row material pipe 27 can draw the circle in survey and drawing position department, draw the circle in-process, lime powder can be followed the bin outlet 28 derivation on arranging material pipe 27 and stay in the circle, guarantees that the lime powder that is used for the mark is difficult to be blown away by wind, and the result of use is better.
Example 2
Referring to fig. 6, a topographic surveying and mapping apparatus with a marking function, in this embodiment, compared to embodiment 1, further includes a bubble level 31 disposed on the top outer wall of the top plate 13.
The working principle is as follows: in the surveying and mapping process, the state of the bubble level gauge 31 can be observed in real time, so that the surveying and mapping instrument 16 is always in a horizontal state during surveying and mapping, and the using effect is better.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A topographic surveying and mapping device with a marking function comprises a bottom plate (1) and is characterized in that a supporting rod (3) is arranged on the outer wall of the top of the bottom plate (1), a fixing seat (7) is fixedly connected to the top end of the supporting rod (3), a universal ball (9) is rotatably arranged inside the fixing seat (7), the outer wall of the bottom of the universal ball (9) is connected with a balancing weight (5) through a connecting rod, threaded holes (6) are formed in the outer walls of the two sides of the fixing seat (7), a fixing bolt (8) is connected to the inner wall of each threaded hole in a threaded manner, a placing plate (18) is arranged on the outer wall of the top of the universal ball (9), a surveying and mapping instrument (16) is arranged on the outer wall of the top of the placing plate (18), sleeves (10) are arranged on four outer walls of the top of the placing plate (, the top end of the first spring (11) is provided with a telescopic rod (12), the top end of the telescopic rod (12) is provided with a top plate (13), the outer wall of the top plate (13) is provided with a handle (15), the bottom plate (1) is provided with a marking mechanism, and the bottom plate (1) is further provided with a fixing mechanism.
2. The topographic surveying and mapping device with marking function according to claim 1, characterized in that the bottom outer wall of the top plate (13) is provided with equidistantly and annularly distributed limiting rods (14), and the limiting rods (14) are made of rubber.
3. Topographic mapping device with marking function according to claim 1, characterized in that the top outer wall of the resting plate (18) is provided with rubber pads (17).
4. The topographic surveying and mapping device with marking function of claim 1, characterized in that, the marking mechanism includes a fixed cylinder (25), a marking box (26) and a material discharging pipe (27), the position that bottom plate (1) top outer wall is close to the centre is opened there is the installing port, and fixed cylinder (25) is fixed to be set up in the installing port, marking box (26) rotates through the bearing and sets up in fixed cylinder (25), material discharging pipe (27) is fixed to be set up in the bottom outer wall of marking box (26), the top outer wall of marking box (26) is opened there is the slide opening, and the inner wall sliding connection of slide opening has holding rod (29), the bottom of holding rod (29) is provided with rubber buffer (30), and rubber buffer (30) set up in material discharging pipe (27).
5. A topographic mapping apparatus with marking facility according to claim 4, characterized in that the discharge pipe (27) is provided with a discharge opening (28) in its outer wall on one side.
6. The topographic surveying and mapping device with the marking function according to claim 1, characterized in that the fixing mechanism comprises a ground pile (2) and an insert rod (4), four corners of the top outer wall of the base plate (1) are opened with fixing openings, the ground pile (2) is fixedly arranged in the fixing openings, the outer wall of the ground pile (2) is sleeved with a rotating cylinder (19), the top inner wall of the rotating cylinder (19) is provided with a rotating rod (20), the insert rod (4) is rotatably arranged on the peripheral outer wall of the rotating rod (20) through an ear base, and the outer wall of the ground pile (2) is opened with a fixing hole (24) matched with the insert rod (4).
7. Topographic mapping device with marking function according to claim 6, characterized in that the shape of the plunger (4) is arc-shaped.
8. The topographic surveying and mapping device with the marking function according to claim 7, characterized in that the outer walls of both sides of the rotating cylinder (19) are provided with through holes, the inner walls of the through holes are inserted with pins (21), the outer walls of the pins (21) are provided with second springs (22), one ends of the second springs (22) are fixedly connected with the outer walls of the rotating cylinder (19), and the outer walls of both sides of the ground pile (2) are provided with slots (23) matched with the pins (21).
9. Topographic mapping device with marking function according to claim 1, characterized in that the top outer wall of the top plate (13) is provided with a bubble level (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011313212.7A CN112393715A (en) | 2020-11-20 | 2020-11-20 | Topographic surveying and mapping device with marking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011313212.7A CN112393715A (en) | 2020-11-20 | 2020-11-20 | Topographic surveying and mapping device with marking function |
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| Publication Number | Publication Date |
|---|---|
| CN112393715A true CN112393715A (en) | 2021-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011313212.7A Pending CN112393715A (en) | 2020-11-20 | 2020-11-20 | Topographic surveying and mapping device with marking function |
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| CN (1) | CN112393715A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113587967A (en) * | 2021-08-24 | 2021-11-02 | 杨倩倩 | Environmental protection monitoring safety arrangement |
| CN113790700A (en) * | 2021-09-10 | 2021-12-14 | 国网河南省电力公司经济技术研究院 | A distance measuring device for power grid planning |
| CN113879531A (en) * | 2021-09-06 | 2022-01-04 | 浙江迪澳普地理信息技术有限公司 | Topographic survey and drawing unmanned aerial vehicle |
| CN114812522A (en) * | 2022-04-11 | 2022-07-29 | 王永亮 | Portable engineering surveying and mapping device for geological mineral exploration |
| CN114953934A (en) * | 2022-07-28 | 2022-08-30 | 北京福乐云数据科技有限公司 | A kind of active mist ion chip and electronic atomization device thereof |
| CN115371631A (en) * | 2022-08-19 | 2022-11-22 | 临沂市房地产测绘院有限公司 | A ground levelness surveying and mapping instrument for urban construction planning surveying and mapping |
| CN116838897A (en) * | 2023-06-25 | 2023-10-03 | 中铁二十五局集团第一工程有限公司 | Displacement laser measuring device for civil engineering |
| CN117405086A (en) * | 2023-10-19 | 2024-01-16 | 孙爽杰 | Engineering mapping method |
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| CN206157551U (en) * | 2016-08-07 | 2017-05-10 | 吴景云 | On --spot mapping device of civil engineering cost |
| CN211042245U (en) * | 2019-11-13 | 2020-07-17 | 吉林建筑科技学院 | Centering rod for surveying and mapping |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206157551U (en) * | 2016-08-07 | 2017-05-10 | 吴景云 | On --spot mapping device of civil engineering cost |
| CN211042245U (en) * | 2019-11-13 | 2020-07-17 | 吉林建筑科技学院 | Centering rod for surveying and mapping |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113587967A (en) * | 2021-08-24 | 2021-11-02 | 杨倩倩 | Environmental protection monitoring safety arrangement |
| CN113587967B (en) * | 2021-08-24 | 2023-11-14 | 杨倩倩 | Environment-friendly monitoring safety protection device |
| CN113879531A (en) * | 2021-09-06 | 2022-01-04 | 浙江迪澳普地理信息技术有限公司 | Topographic survey and drawing unmanned aerial vehicle |
| CN113790700A (en) * | 2021-09-10 | 2021-12-14 | 国网河南省电力公司经济技术研究院 | A distance measuring device for power grid planning |
| CN114812522A (en) * | 2022-04-11 | 2022-07-29 | 王永亮 | Portable engineering surveying and mapping device for geological mineral exploration |
| CN114953934A (en) * | 2022-07-28 | 2022-08-30 | 北京福乐云数据科技有限公司 | A kind of active mist ion chip and electronic atomization device thereof |
| CN114953934B (en) * | 2022-07-28 | 2022-09-30 | 北京福乐云数据科技有限公司 | Active fog ion chip and electron atomizing device thereof |
| CN115371631A (en) * | 2022-08-19 | 2022-11-22 | 临沂市房地产测绘院有限公司 | A ground levelness surveying and mapping instrument for urban construction planning surveying and mapping |
| CN116838897A (en) * | 2023-06-25 | 2023-10-03 | 中铁二十五局集团第一工程有限公司 | Displacement laser measuring device for civil engineering |
| CN116838897B (en) * | 2023-06-25 | 2024-02-23 | 中铁二十五局集团第一工程有限公司 | Displacement laser measuring device for civil engineering |
| CN117405086A (en) * | 2023-10-19 | 2024-01-16 | 孙爽杰 | Engineering mapping method |
| CN117405086B (en) * | 2023-10-19 | 2024-10-25 | 重庆柒叁建设工程有限公司 | Engineering mapping method |
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Application publication date: 20210223 |