CN110077581A - A kind of municipal works plotting board based on unmanned plane - Google Patents
A kind of municipal works plotting board based on unmanned plane Download PDFInfo
- Publication number
- CN110077581A CN110077581A CN201910423941.9A CN201910423941A CN110077581A CN 110077581 A CN110077581 A CN 110077581A CN 201910423941 A CN201910423941 A CN 201910423941A CN 110077581 A CN110077581 A CN 110077581A
- Authority
- CN
- China
- Prior art keywords
- spring
- baffle
- unmanned plane
- elongated slot
- movable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
- B64C1/30—Parts of fuselage relatively movable to reduce overall dimensions of aircraft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface
- B64C25/58—Arrangements or adaptations of shock-absorbers or springs
- B64C25/62—Spring shock-absorbers; Springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/04—Helicopters
- B64C27/08—Helicopters with two or more rotors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D45/00—Aircraft indicators or protectors not otherwise provided for
- B64D45/04—Landing aids; Safety measures to prevent collision with earth's surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D47/00—Equipment not otherwise provided for
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/01—Devices or auxiliary means for setting-out or checking the configuration of new surfacing, e.g. templates, screed or reference line supports; Applications of apparatus for measuring, indicating, or recording the surface configuration of existing surfacing, e.g. profilographs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2101/00—UAVs specially adapted for particular uses or applications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2201/00—UAVs characterised by their flight controls
- B64U2201/20—Remote controls
Abstract
The present invention relates to plotting board technical fields, and disclose a kind of municipal works plotting board based on unmanned plane, including body, the bottom of body two sides is fixedly installed with fixed plate, the top of two fixed plates is connected with pivoting leaf, the bottom end thread bush of pivoting leaf is equipped with threaded rod, the top of fixed plate is run through in one end of threaded rod, the internal activity of left side fixed plate is set with shaft, the external fixing sleeve of shaft is equipped with first baffle, the inside of left side fixed plate one end is fixedly installed with the first spring, and one end of the first spring is fixedly connected with the first snap-gauge.The municipal works plotting board based on unmanned plane, cooperation by the first baffle and second baffle that are arranged inside two fixed plates, when unmanned plane landing, the cooperation of braking system and baffle can be passed through, the air drag generated using baffle, the speed that can be effectively reduced unmanned plane achievees the purpose that save the energy used in braking process.
Description
Technical field
The present invention relates to plotting board technical field, specially a kind of municipal works plotting board based on unmanned plane.
Background technique
Plotting board is briefly exactly for instruments and dresses such as data sampling and processing, the outputs of mapping job design manufacture
It sets, planning and designing, construction and management stage measure various orientations, survey required by work in municipal engineering construction
Away from, angle measurement, survey high, mapping and photogrammetric etc. instrument.
Unmanned plane municipal works with plotting board are measured using unmanned plane, and unmanned plane is needed when that will land
Unmanned plane is landed by force using braking system, if using the cooperation of air drag and braking system when landing, it will reduce
The waste of the energy, simultaneously because there are certain speed when landing causes nobody so that unmanned plane is easy to topple over when landing
Machine damage, thus it is proposed that a kind of municipal works plotting board based on unmanned plane.
Summary of the invention
The present invention provides a kind of municipal works plotting board based on unmanned plane, has and utilizes air drag and braking
The cooperation of system is landed, and saves the energy and solves the advantages of toppling over when unmanned plane being prevented to land and land nobody using braking system
Machine waste of energy, unmanned plane are easy the problem of toppling over, unmanned plane is caused to damage when landing.
The invention provides the following technical scheme: a kind of municipal works plotting board based on unmanned plane, including body, institute
The bottom for stating body two sides is fixedly installed with fixed plate, and the top of two fixed plates is connected with pivoting leaf, institute
The bottom end thread bush of pivoting leaf is stated equipped with threaded rod, the top of fixed plate, the left side fixation are run through in one end of the threaded rod
The internal activity of plate is set with shaft, and the external fixing sleeve of the shaft is equipped with first baffle, the described fixed plate one end in left side
Inside is fixedly installed with the first spring, and one end of first spring is fixedly connected with the first snap-gauge, a left side for first snap-gauge
End extends to the inside of first baffle, and the inside of the body is fixedly installed with telescopic rod, and one end of the telescopic rod extends to
The inside of right side fixed plate, the right end of the telescopic rod are fixedly installed with fixed block, and the bottom of the fixed block is fixedly installed with
Second baffle, for the second baffle movable set in the inside of right side fixed plate, the two sides of the right side fixed plate bottom are solid
Dingan County is equipped with riser, and the internal activity of two risers is set with stock, and the external fixing sleeve of the stock is equipped with pedestal, institute
The bottom for stating pedestal is movably installed with measuring instrument, and the bottom of the body is connected with support base, the support base both ends
Inside offers the first elongated slot, and the side inside two first elongated slots is fixedly installed with second spring, and described second
The top of spring is fixedly connected with movable plate, and the top of the movable plate extends to the inside of body, the movable plate top
Internal activity is set with third spring, and the both ends of the third spring are fixedly connected to the second snap-gauge, two second cards
One end of plate all extends to the outside of movable plate, and the front of second snap-gauge is fixedly installed with adjusting block, and the adjusting block is just
The one end in face extends to the outside of body, and the inside of the support base bottom end offers the second elongated slot, second elongated slot it is interior
Portion is movably installed with motion bar, and the bottom end of the motion bar extends to the outside of support base, the fixed peace in the bottom of the motion bar
Equipped with circular arc seat, the external activity of the motion bar is set with the 4th spring, the bottom of the 4th spring and the one of circular arc seat
Side is fixedly connected, and the two sides of circular arc seat bottom are fixedly installed with the 5th spring, one end of two the 5th springs with circle
The side of arc seat is fixedly connected.
Selected, the inside of body bottom end two sides offers third elongated slot, and the bottom end of the movable plate passes through the
Three elongated slot movable sets are in the inside of body, and one end of second snap-gauge is by third elongated slot movable set in body
Portion.
Selected, the inside of two fixed plates offers the 4th elongated slot and the 5th elongated slot respectively, and the 4th elongated slot and
The inside of 5th elongated slot is movably installed with first baffle and second baffle respectively.
Selected, one end of the first baffle opens up fluted, and one end of first snap-gauge passes through groove movable sleeve
Inside loaded on first baffle.
Selected, the inside of two risers offers through-hole, and the both ends of the stock pass through through-hole movable set
In the inside of riser.
Selected, the quantity of the movable plate is two, and two movable plates are using the axle center of support base as symmetrical centre
Symmetrically, the bottom end of the movable plate is by the first elongated slot movable set in the inside of support base.
Selected, the inside on the movable plate top offers card slot, the third spring by card slot movable set in
The inside of movable plate, one end of second snap-gauge is by card slot movable set in the inside of movable plate.
Selected, two the 5th springs are symmetrical as symmetrical centre using the axle center of support base.
The present invention have it is following the utility model has the advantages that
1, should municipal works plotting board based on unmanned plane, by the first baffle that is arranged inside two fixed plates and
The cooperation of second baffle can be by the cooperation of braking system and baffle when unmanned plane landing, the air generated using baffle
Resistance can be effectively reduced the speed of unmanned plane, achieve the purpose that save the energy used in braking process.
2, it is somebody's turn to do the municipal works plotting board based on unmanned plane, passes through circular arc seat, the 5th spring, motion bar and the 4th bullet
Being equipped between spring, when the landing of unmanned plane measuring device, circular arc seat and ground face contact pass through the 4th spring and the 5th bullet
Spring can reduce power when landing to the buffering on ground, simultaneously because the shape of circular arc seat, so that unmanned plane will not incline when landing
, it ensure that unmanned plane measuring device is not damaged.
3, it is somebody's turn to do the municipal works plotting board based on unmanned plane, by between second spring, movable plate and support base
Cooperation, can using second spring by movable board into internal body, while by the second snap-gauge, third spring and movable plate it
Between be equipped with, movable plate and body can be fixed, while when storing unmanned plane measuring device, convenient for tearing support base open
Under, achieve the effect that convenient for storage unmanned plane device.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the schematic diagram that first baffle of the present invention and second baffle stretch out；
Fig. 3 is partial enlargement diagram at A of the invention；
Fig. 4 is partial enlargement diagram at B of the invention.
In figure: 1, body；2, fixed plate；3, pivoting leaf；4, threaded rod；5, shaft；6, first baffle；7, the first spring；
8, the first snap-gauge；9, telescopic rod；10, fixed block；11, second baffle；12, riser；13, stock；14, pedestal；15, measuring instrument；
16, support base；17, the first elongated slot；18, second spring；19, movable plate；20, third spring；21, the second snap-gauge；22, it adjusts
Block；23, the second elongated slot；24, motion bar；25, circular arc seat；26, the 4th spring；27, the 5th spring.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-4, a kind of municipal works plotting board based on unmanned plane, including body 1,1 bottom end two of body
The inside of side offers third elongated slot, the bottom end of movable plate 19 by third elongated slot movable set in the inside of body 1, second
One end of snap-gauge 21, in the inside of body 1, passes through third spring 20, the second snap-gauge 21, activity by third elongated slot movable set
Being equipped between plate 19 and third elongated slot can squeeze the second snap-gauge 21 by third spring 20, enable to movable plate
19 is fixed with body 1, and the bottom of 1 two sides of body is fixedly installed with fixed plate 2, and the inside of two fixed plates 2 offers respectively
4th elongated slot and the 5th elongated slot, and the inside of the 4th elongated slot and the 5th elongated slot is movably installed with first baffle 6 and second gear respectively
Plate 11 passes through being equipped between first baffle 6, second baffle 11, the 4th elongated slot and the 5th elongated slot, unmanned plane measuring device
When measurement, first baffle 6 and second baffle 11 can be retracted to the inside of fixed plate 2, the top of two fixed plates 2 is movable
It is connected with pivoting leaf 3, the bottom end thread bush of pivoting leaf 3 is equipped with threaded rod 4, and the top of fixed plate 2 is run through in one end of threaded rod 4,
The internal activity of left side fixed plate 2 is set with shaft 5, and the external fixing sleeve of shaft 5 is equipped with first baffle 6, and the one of first baffle 6
End open up it is fluted, one end of the first snap-gauge 8 by groove movable set in the inside of first baffle 6, by first baffle 6,
Being equipped between groove and the first snap-gauge 8, can be by sticking into inside grooves for the first snap-gauge 8, thus by first baffle 6
Fixed, the inside of 2 one end of left side fixed plate is fixedly installed with the first spring 7, and one end of the first spring 7 is fixedly connected with the first card
Plate 8, the left end of the first snap-gauge 8 extend to the inside of first baffle 6, and the inside of body 1 is fixedly installed with telescopic rod 9, telescopic rod 9
One end extend to the inside of right side fixed plate 2, the right end of telescopic rod 9 is fixedly installed with fixed block 10, the bottom of fixed block 10
Be fixedly installed with second baffle 11,11 movable set of second baffle in the inside of right side fixed plate 2,2 bottom of right side fixed plate
Two sides are fixedly installed with riser 12, and the inside of two risers 12 offers through-hole, and the both ends of stock 13 pass through through-hole activity
Be set in the inside of riser 12, by the cooperation between riser 12, stock 13 and through-hole, can by the rotation of stock 13, from
And realize the adjusting of 15 angle of measuring instrument, the internal activity of two risers 12 is set with stock 13, the external fixing sleeve of stock 13
Equipped with pedestal 14, the bottom of pedestal 14 is movably installed with measuring instrument 15, and the bottom of body 1 is connected with support base 16, support
The inside at 16 both ends of seat offers the first elongated slot 17, and the side inside two the first elongated slots 17 is fixedly installed with second spring
18, the top of second spring 18 is fixedly connected with movable plate 19, and the inside on 19 top of movable plate offers card slot, third spring 20
By card slot movable set in the inside of movable plate 19, one end of the second snap-gauge 21 is by card slot movable set in movable plate 19
Inside, the quantity of movable plate 19 are two, and two movable plates 19 are symmetrical as symmetrical centre using the axle center of support base 16, activity
The bottom end of plate 19 can be incited somebody to action in the inside of support base 16 by the extruding of second spring 18 by 17 movable set of the first elongated slot
Movable plate 19 is squeezed to the inside of body 1, while achieving the effect that support base 16 easy to disassemble, and the top of movable plate 19 extends to
The inside of body 1, the internal activity on 19 top of movable plate are set with third spring 20, and the both ends of third spring 20 are fixedly connected with
There is the second snap-gauge 21, one end of two the second snap-gauges 21 all extends to the outside of movable plate 19, and the front of the second snap-gauge 21 is fixed
Adjusting block 22 is installed, the positive one end of adjusting block 22 extends to the outside of body 1, and the inside of 16 bottom end of support base offers
Two elongated slots 23, the internal activity of the second elongated slot 23 are set with motion bar 24, and the bottom end of motion bar 24 extends to the outer of support base 16
Portion, the bottom of motion bar 24 are fixedly installed with circular arc seat 25, and the external activity of motion bar 24 is set with the 4th spring 26, the 4th bullet
The bottom of spring 26 is fixedly connected with the side of circular arc seat 25, and the two sides of 25 bottom of circular arc seat are fixedly installed with the 5th spring 27,
Two the 5th springs 27 are symmetrical as symmetrical centre using the axle center of support base 16, pass through circular arc seat 25, the 5th spring 27, activity
Being equipped between bar 24 and the 4th spring 26, when the landing of unmanned plane measuring device, circular arc seat 25 and ground face contact pass through
4th spring 26 and the 5th spring 27 can reduce power when landing to the buffering on ground, simultaneously because the shape of circular arc seat 25,
So that unmanned plane will not topple over when landing, it ensure that unmanned plane measuring device is not damaged, one end of two the 5th springs 27 is equal
It is fixedly connected with the side of circular arc seat 25.
Working principle: in use, pressing remote controller buttons, unmanned plane is driven to fly up, rotates stock 13, drive measuring instrument 15
Rotation, at the end of measurement, remote-control rotary shaft 5, shaft 5 drives first baffle 6 to turn to the outside of fixed plate 2, is then remotely controlled
Telescopic rod 9, telescopic rod 9 drive fixed block 10 and second baffle 11 to move right, and second baffle 11 is driven to be moved to fixed plate 2
Outside starts to land.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.Simultaneously in the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length
Degree ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner",
The orientation or positional relationship of the instructions such as "outside", " clockwise ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, only
It is that for the convenience of describing the present invention and simplifying the description, rather than the equipment of indication or suggestion meaning or element must have specifically
Orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of municipal works plotting board based on unmanned plane, including body (1), it is characterised in that: the body (1) two
The bottom of side is fixedly installed with fixed plate (2), and the top of two fixed plates (2) is connected with pivoting leaf (3), institute
The bottom end thread bush of pivoting leaf (3) is stated equipped with threaded rod (4), the top of fixed plate (2) is run through in one end of the threaded rod (4),
The internal activity of the left side fixed plate (2) is set with shaft (5), and the external fixing sleeve of the shaft (5) is equipped with first baffle
(6), the inside of the left side fixed plate (2) one end is fixedly installed with the first spring (7), and one end of first spring (7) is solid
Surely it is connected with the first snap-gauge (8), the left end of first snap-gauge (8) extends to the inside of first baffle (6), the body (1)
Inside be fixedly installed with telescopic rod (9), one end of the telescopic rod (9) extend to right side fixed plate (2) inside, it is described to stretch
The right end of contracting bar (9) is fixedly installed with fixed block (10), and the bottom of the fixed block (10) is fixedly installed with second baffle (11),
For second baffle (11) movable set in the inside of right side fixed plate (2), the two sides of right side fixed plate (2) bottom are solid
Dingan County is equipped with riser (12), and the internal activity of two risers (12) is set with stock (13), the outside of the stock (13)
Fixing sleeve is equipped with pedestal (14), and the bottom of the pedestal (14) is movably installed with measuring instrument (15), and the bottom of the body (1) is living
Dynamic to be connected with support base (16), the inside at support base (16) both ends offers the first elongated slot (17), and two described first
The internal side of elongated slot (17) is fixedly installed with second spring (18), and the top of the second spring (18) is fixedly connected with work
Movable plate (19), the top of the movable plate (19) extend to the inside of body (1), the internal activity on movable plate (19) top
It being set with third spring (20), the both ends of the third spring (20) are fixedly connected to the second snap-gauge (21), and two described
One end of two snap-gauges (21) all extends to the outside of movable plate (19), and the front of second snap-gauge (21) is fixedly installed with adjusting
Block (22), the positive one end of the adjusting block (22) extend to the outside of body (1), and the inside of support base (16) bottom end is opened
Equipped with the second elongated slot (23), the internal activity of second elongated slot (23) is set with motion bar (24), the motion bar (24)
Bottom end extends to the outside of support base (16), and the bottom of the motion bar (24) is fixedly installed with circular arc seat (25), the activity
The external activity of bar (24) is set with the 4th spring (26), and the bottom of the 4th spring (26) and the side of circular arc seat (25) are solid
Fixed connection, the two sides of circular arc seat (25) bottom are fixedly installed with the 5th spring (27), and the one of two the 5th springs (27)
End is fixedly connected with the side of circular arc seat (25).
2. a kind of municipal works plotting board based on unmanned plane according to claim 1, it is characterised in that: the machine
The inside of body (1) bottom end two sides offers third elongated slot, and the bottom end of the movable plate (19) passes through third elongated slot movable set
In the inside of body (1), one end of second snap-gauge (21) is by third elongated slot movable set in the inside of body (1).
3. a kind of municipal works plotting board based on unmanned plane according to claim 1, it is characterised in that: two institutes
The inside for stating fixed plate (2) offers the 4th elongated slot and the 5th elongated slot respectively, and the inside of the 4th elongated slot and the 5th elongated slot is distinguished
It is movably installed with first baffle (6) and second baffle (11).
4. a kind of municipal works plotting board based on unmanned plane according to claim 1, it is characterised in that: described
One end of one baffle (6) opens up fluted, and one end of first snap-gauge (8) is by groove movable set in first baffle (6)
Inside.
5. a kind of municipal works plotting board based on unmanned plane according to claim 1, it is characterised in that: two institutes
The inside for stating riser (12) offers through-hole, and the both ends of the stock (13) are by through-hole movable set in the interior of riser (12)
Portion.
6. a kind of municipal works plotting board based on unmanned plane according to claim 1, it is characterised in that: the work
The quantity of movable plate (19) is two, and two movable plates (19) are symmetrical as symmetrical centre using the axle center of support base (16),
The bottom end of the movable plate (19) is by the first elongated slot (17) movable set in the inside of support base (16).
7. a kind of municipal works plotting board based on unmanned plane according to claim 1, it is characterised in that: the work
The inside on movable plate (19) top offers card slot, and the third spring (20) is by card slot movable set in the interior of movable plate (19)
Portion, one end of second snap-gauge (21) is by card slot movable set in the inside of movable plate (19).
8. a kind of municipal works plotting board based on unmanned plane according to claim 1, it is characterised in that: two institutes
It is symmetrical as symmetrical centre using the axle center of support base (16) to state the 5th spring (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910423941.9A CN110077581A (en) | 2019-05-21 | 2019-05-21 | A kind of municipal works plotting board based on unmanned plane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910423941.9A CN110077581A (en) | 2019-05-21 | 2019-05-21 | A kind of municipal works plotting board based on unmanned plane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110077581A true CN110077581A (en) | 2019-08-02 |
Family
ID=67421169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910423941.9A Pending CN110077581A (en) | 2019-05-21 | 2019-05-21 | A kind of municipal works plotting board based on unmanned plane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110077581A (en) |
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| CN112678163A (en) * | 2021-02-25 | 2021-04-20 | 黄根水 | Unmanned aerial vehicle anticollision protection architecture |
| CN116716779A (en) * | 2023-08-02 | 2023-09-08 | 四川高速公路建设开发集团有限公司 | High-speed pavement flatness detection system and method based on unmanned aerial vehicle |
| CN116716779B (en) * | 2023-08-02 | 2023-10-10 | 四川高速公路建设开发集团有限公司 | High-speed pavement flatness detection system and method based on unmanned aerial vehicle |
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