CN208736350U - A kind of remote sensing survey ruler - Google Patents
A kind of remote sensing survey ruler Download PDFInfo
- Publication number
- CN208736350U CN208736350U CN201821782963.1U CN201821782963U CN208736350U CN 208736350 U CN208736350 U CN 208736350U CN 201821782963 U CN201821782963 U CN 201821782963U CN 208736350 U CN208736350 U CN 208736350U
- Authority
- CN
- China
- Prior art keywords
- remote sensing
- pedestal
- fixedly installed
- measuring scale
- shell
- 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.)
- Expired - Fee Related
Links
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 35
- 241000886545 Leptodea leptodon Species 0.000 claims abstract description 32
- 238000005259 measurement Methods 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 230000000903 blocking effect Effects 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model discloses a kind of remote sensing survey rulers, including pedestal and L-type support, the upper end of pedestal is fixedly installed pedestal, L-type support is fixedly installed in the right of pedestal, the lower end of L-type support is provided with motor, motor is fixedly installed the upper end of pedestal, the output shaft of motor is connected with retarder, the upper end of pedestal is fixedly installed connector, the front of measuring scale shell is equipped with display screen, display screen lower end is provided with soft keyboard, measuring scale shell is internally provided with the first controller, the front of measuring scale shell is equipped with industry camera, measuring scale upper shell is fixedly installed solar panel, the lower end of solar panel is electrically connected with photoelectric converter, the lower end of photoelectric converter is electrically connected with battery, remote sensing control outer casing frontispiece is fixedly installed with remote sensing control screen.The utility model has the characteristics that convenient and practical, measurement is simple using remote sensing survey technology.
Description
Technical field
The utility model relates to photogrammetric technology fields, particularly relate to a kind of remote sensing survey ruler.
Background technique
Measurement is to describe the phenomenon that observing with data according to certain rule, i.e., make quantificational description to things.Measurement
It is the quantizing process to non-quantized material object.Object, that is, measurement object of measurement: geometric sense, including length, area, shape are referred mainly to
Shape, elevation, angle, surface roughness and Form and position error etc..Due to the characteristics of geometric sense be it is many kinds of, shape is again various each
Sample, therefore for their characteristic, the definition of measured parameter and standard etc. all must be studied and are familiar with, to carry out
Measurement.Measurement method: refer to the one group of operation logic order used described by class when measuring.To the measurement of geometric sense and
Speech, then the characteristics of being according to measured parameter, such as tolerance value, size, weight, material, quantity, and analyze and research the parameter and its
The relationship of his parameter finally determines the operating method how measured to the parameter.Remote sensing (remote sensing) refers to
It is non-contacting, remote Detection Techniques.Refer generally to special with radiation, reflection of the sensor/remote sensor to the electromagnetic wave of object
The detection of property.Remote sensing is by this kind of instrument to sensitive to electromagnetic waves of remote sensor, far from target and non-contact target object item
Target scalar is detected under part.Obtain electromagnetic wave information (such as electric field, magnetic field, electromagnetic wave, the seismic wave of its reflection, radiation or scattering
Etc. information), and extract, determine, working process, a science and technology of analysis and application.The remote sensing of the prior art is surveyed
The measurement operation of amount technology is more complicated.
Summary of the invention
Technical problem to be solved in the utility model is to be to provide a kind of remote sensing survey ruler, simple to reach measurement
Purpose.
In order to solve the above technical problems, the utility model provides the following technical solutions: a kind of remote sensing survey ruler, including pedestal
And bracket, bracket are L-type support, the upper end of pedestal is fixedly installed pedestal, and L-type support, L-type branch is fixedly installed in the right of pedestal
The lower end of frame is provided with motor, and motor is fixedly installed the upper end of pedestal, and the output shaft of motor is connected with retarder, on retarder
End is connected with rack, and rack passes through L-type support, stiffening plate, is provided with bearing between rack and stiffening plate, pedestal it is upper
End is fixedly installed connector, and the side of connector is fixedly installed Auxiliary support, and the center of pedestal and connector is through setting
There is threaded connection standing screw, standing screw is located at connector threaded upper ends and is connected with disc holder, and the upper end of disc holder is set
It is equipped with travel switch, travel switch is electrically connected motor, and screw rod is arranged in the upper end of standing screw, and the outside of screw rod, which is arranged, to be turned
Disk, the lower end of turntable are fixedly installed with contact, and the upper end of turntable is fixedly installed measuring scale shell, the front peace of measuring scale shell
Equipped with display screen, display screen lower end is provided with soft keyboard, and measuring scale shell is internally provided with the first controller, measuring scale shell
Front industry camera is installed, measuring scale upper shell is fixedly installed solar panel, the lower end electricity of solar panel
Property is connected with photoelectric converter, and the lower end of photoelectric converter is electrically connected with battery, and battery is electrically connected with the first controller, work
Industry camera, display screen, soft keyboard, the first controller be electrically connected with soft keyboard, industry camera, display screen, soft keyboard,
First wireless transceiver, the upper end of measuring scale shell are provided with the first wireless transceiver, and the first wireless transceiver signal is connected with
Second wireless transceiver, the setting of the first wireless transceiver control shell in remote sensing, and remote sensing control outer casing frontispiece is fixedly installed with distant
Sensing control screen, remote sensing control and are provided with remote sensing control keyboard immediately below screen, and remote sensing control screen is electrically connected with second
Controller.The model of first controller and second controller grinds magnificent UNO-2172-C28E.Industry camera is integration camera shooting
Machine a thousand li mesh safeeyeS-B400M.It is SPOT6 remote sensing video screen that remote sensing, which controls screen, and remote sensing controls the geometric accuracy of screen
In 2 pixels (± 10m precision).Display screen is Samsung (SAMSUNG) 4 cun of band touch display screens.Travel switch is De Lixi
LX19-001 Direct Action Type lead limit switch.Photoelectric converter model TIA525-TTI photoelectric converter.
As a kind of preferred embodiment of the utility model, the pedestal is disc-shape lower end, the two sides of base bottom
It pierces with being fixedly connected to, ground thorn installs the present apparatus on the ground.
It is described as a kind of preferred embodiment of the utility model, position that rack is connect with L-type support, connector
The position connecting with Auxiliary support is provided with reinforcement bushing, and reinforcing bushing can be improved the wearability of link position.
Described as a kind of preferred embodiment of the utility model, the position bilateral symmetry that screw rod is connect with turntable is set
It is equipped with a pair of of steel-ball groove, the inside of a pair of of steel-ball groove is provided with steel ball, and steel ball is far from outside screw rod and in steel-ball groove
Portion, which offsets, is provided with ball stopper plate, and ball stopper plate has been fixedly connected with spring, the spring spring force certain to kick back, by steel ball pressure
Tightly, steel-ball groove is fixedly installed with blocking far from one end of steel ball.
It is described as a kind of preferred embodiment of the utility model, intermeshing is provided with outside turntable and rack
Rack gear, rack rotate when can engage drive turntable rotation.
As a kind of preferred embodiment of the utility model, idler wheel is fixedly installed below the remote sensing control shell.
Compared with prior art, the beneficial effects of the utility model are as follows: pedestal can reinforce the weight of the utility model
Whole stability, the travel switch of the upper end setting of disc holder are improved, travel switch is electrically connected motor, the lower end of turntable
It is fixedly installed with contact, when contact touches travel switch, triggering travel switch cuts off the power supply to motor, and motor stops
It only runs, the measuring scale shell of the upper end fixed setting of turntable, the front of measuring scale shell is equipped with display screen, display screen lower end
The function of needs is input to the first controller by operation soft keyboard by the soft keyboard of setting, and the control industry of the first controller is taken the photograph
Display screen, the solar panel of measuring scale upper shell fixed setting, solar panel are shown to as head and by the information of measurement
Solar energy can be absorbed solar energy is converted into electric energy by photoelectric converter and is deposited into battery, the first wireless transceiver signal
Second wireless transceiver of connection links together the first controller and second controller, controls remote sensing control flow by manpower
Curtain control second controller, it is multiple that the remote sensing control keyboard of the underface setting of remote sensing control screen can control remote sensing control screen
Bit recovery factory-said value.The utility model has the characteristics that convenient and practical, measurement is simple using remote sensing survey technology.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawing:
A kind of remote sensing survey ruler structural schematic diagram of Fig. 1 the utility model；
The screw rod and disk combination structural schematic diagram of a kind of remote sensing survey ruler of Fig. 2 the utility model；
A kind of turntable overlooking structure diagram of the remote sensing survey ruler of Fig. 3 the utility model；
A kind of inside positive structure schematic of the measuring scale shell of the remote sensing survey ruler of Fig. 4 the utility model；
A kind of inner side structural schematic diagram of the measuring scale shell of the remote sensing survey ruler of Fig. 5 the utility model；
A kind of remote sensing control outer casing assembling structure signal of the measuring scale shell of the remote sensing survey ruler of Fig. 6 the utility model
Figure；
A kind of local circuit structural schematic diagram of the measuring scale shell of the remote sensing survey ruler of Fig. 7 the utility model.
In figure: pedestal 1, connector 2, disc holder 3, travel switch 4, pedestal 5, screw rod 6, blocking 7, contact 8, L-type
Bracket 9, turntable 10, Auxiliary support 11, measuring scale shell 12, steel-ball groove 13, ball stopper plate 14, spring 15, steel ball 16, ground thorn 17,
Display screen 18, standing screw 19, the first wireless transceiver 20, motor 21, retarder 22, rack 23, stiffening plate 24, bearing
25, the first controller 26, industry camera 27, solar panel 28, photoelectric converter 29, battery 30, the second wireless transceiver
31, remote sensing controls shell 32, and remote sensing controls screen 33, remote sensing control keyboard 34, idler wheel 35, second controller 36, soft keyboard 37.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It is described in detail.
Please refer to Fig. 1-7, the utility model provides a kind of technical solution: a kind of remote sensing survey ruler, the upper end of pedestal 1 are fixed
It is provided with pedestal 5, L-type support 9 is fixedly installed in the right of pedestal 5, and the lower end of L-type support 9 is provided with motor 21, and motor 21 is three
Phase Induction Machines forward and reverse can be rotated, and motor 21 is fixedly installed the upper end of pedestal 1, the rotation of the output shaft of motor 21
The retarder 22 of connection is driven to rotate and slow down to the output shaft of motor 21, retarder 22 drives the rack of upper end connection
23 are rotated.L-type support 9 that rack 23 passes through, stiffening plate 24 have the function of Auxiliary support righting, tooth to rack 23
It is provided with bearing 25 between wheel bar 23 and stiffening plate 24, bearing 25 and then rotates together in rack 23, and the upper end of pedestal 5 is fixed
It is provided with connector 2, the side of connector 2 is fixedly installed Auxiliary support 11, the effect phase of Auxiliary support 11 and L-type support 9
With the effect for being supported righting to rack 23.The center of pedestal 5 and connector 2 is provided through threaded connection standing screw
19, standing screw 19 is located at 2 threaded upper ends of connector and is connected with disc holder 3, and the upper end of disc holder 3 is provided with travel switch
4, travel switch 4 is electrically connected motor 21, and travel switch 4 is attended the meeting motor 21 touched for being electrically cut off, and such motor 21 is just
It can stop rotating, rack 23 can also be simultaneously stopped rotation.Screw rod 6, the outside of screw rod 6 is arranged in the upper end of standing screw 19
It is arranged turntable 10, the lower end of turntable 10 is fixedly installed with contact 8, by intermeshing with turntable 10 when rack 23 rotates
Turntable 10 is driven to rotate, the upper end of turntable 10 is fixedly installed measuring scale shell 12.The front of measuring scale shell 12 is equipped with aobvious
Display screen 18,18 lower end of display screen are provided with soft keyboard 37, are turned on or off display screen 18 by soft keyboard 37, measuring scale
Shell 12 is internally provided with the first controller 26, and the front of measuring scale shell 12 is equipped with industry camera 27, industry camera shooting
The picture imaged is acquired and is converted into number and shows by first 27.
12 upper end of measuring scale shell is fixedly installed solar panel 28, and the lower end of solar panel 28 is electrically connected with light
Electric transducer 29, solar panel 28 can collect solar energy in the weather for having sunshine automatically, and solar energy is passed through photoelectric conversion
Device 29 is converted into electric energy and is deposited into the battery 30 that the lower end of photoelectric converter 29 is electrically connected, and battery 30 is electrically connected the first control
Device 26, industry camera 27, display screen 18, soft keyboard 37 are simultaneously powered it, and being electrically connected with for the first controller 26 is soft
Keyboard 37, industry camera 27, display screen 18, soft keyboard 37, the first wireless transceiver 31, the upper end setting of measuring scale shell 12
There is the first wireless transceiver 20,20 signal of the first wireless transceiver is connected with the second wireless transceiver 31, and remote sensing controls shell 32
Front is fixedly installed with remote sensing control screen 33, and remote sensing control screen 33 is electrically connected with second controller 36, passes through the first nothing
Line transceiver 20, the second wireless transceiver 31 connect the first controller 26 and second controller 36.
Pedestal 1 is disc-shape lower end, and the two sides of 1 bottom of pedestal pierce 17 with being fixedly connected to, and is using the present apparatus
When can by ground pierce 17 be inserted on bottom surface then carry out using.
The position that position that rack 23 is connect with L-type support 9, rack 23 are connect with Auxiliary support 11 be provided with plus
Strong bushing, the purpose that bushing is reinforced in setting are the intensity of raising connecting portion, and reinforcement liner wear is direct when bigger
It will reinforce bushing to dismantle, it thus can be to avoid replacement L-type support 9 and 11 save the cost of Auxiliary support.
The position that screw rod 6 is connect with turntable 10 is symmetrically set with a pair of of steel-ball groove 13 for placing steel ball 16, steel
Ball 16 is far from the outside of screw rod 6 and is located to offset inside steel-ball groove 13 and is provided with ball stopper plate 14, and ball stopper plate 14 is used for steel ball 16
It blocks, ball stopper plate 14 has been fixedly connected with spring 15, and spring 15 is used for the spring force compressed to steel ball 16 1, guarantees steel ball 16
Screw rod 6 is pushed down, steel-ball groove 13 is fixedly installed with blocking 7 far from one end of steel ball 16, and spring 15 is blocked, prevented by blocking 7
Spring 15 is fallen.
By being provided with intermeshing rack gear outside turntable 10 and rack 23, the rotation of motor 21, which drives, slows down
Device 22 rotates, and the rotation of retarder 22 drives rack 23 to rotate, and the rotation of rack 23 drives turntable 10 to rotate.
When use, the upper end of pedestal 1, the retarder of the output axis connection of motor 21 are fixed at by motor 21
22, screw rod 6 is arranged in the rack 23 of 22 upper end of retarder connection, the upper end of standing screw 19, and the outside of screw rod 6, which is arranged, to be turned
Disk 10 drives the rotation of turntable 10 by the rotation of rack 23, passes through L-type support 9, stiffening plate 24, tooth by rack 23
The bearing 25 being arranged between wheel bar 23 and stiffening plate 24, the weight that pedestal 5 can reinforce the utility model improve whole stabilization
Property.The travel switch 4 of the upper end setting of disc holder 3, travel switch 4 are electrically connected motor 21, the fixed peace in the lower end of turntable 10
Equipped with contact 8, when contact 8 touches travel switch 4, triggering travel switch 4 cuts off the power supply to motor 21, motor 21
Out of service, the measuring scale shell 12 of the upper end fixed setting of turntable 10, the front of measuring scale shell 12 is equipped with display screen 18,
The soft keyboard 37 of 18 lower end of display screen setting, the first controller 26 of the inside setting of measuring scale shell 12, measuring scale shell 12
Front industry camera 27 is installed, the function of needs is input to by the first controller 26 by operation soft keyboard 37, first
Controller 26 controls industry camera 27 and the information of measurement is shown to display screen 18.The fixation of 12 upper end of measuring scale shell is set
The solar panel 28 set, solar panel 28 can be absorbed solar energy and solar energy are converted into electric energy by photoelectric converter 29
It is deposited into battery 30, the first wireless transceiver 20 of the upper end setting of measuring scale shell 12,20 signal of the first wireless transceiver
Second wireless transceiver 31 of connection links together the first controller 26 and second controller 36, controls remote sensing by manpower
It controls screen 33 and controls second controller 36, the remote sensing control keyboard 34 of the underface setting of remote sensing control screen 33 can control
Remote sensing, which controls screen 33 and resets, restores factory-said value.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of remote sensing survey ruler, including pedestal and bracket, it is characterised in that: the upper end of the pedestal is fixedly installed pedestal,
Bracket is L-type support, and L-type support is fixedly installed in the right of pedestal, and the lower end of L-type support is provided with motor, motor) fixed setting
There is the upper end of pedestal, the output shaft of motor is connected with retarder, and retarder upper end is connected with rack, and rack passes through L-type branch
Frame, stiffening plate, are provided with bearing between rack and stiffening plate, the upper end of pedestal is fixedly installed connector, the side of connector
Face is fixedly installed Auxiliary support, and the center of pedestal and connector is provided through threaded connection standing screw, standing screw position
It is connected with disc holder in connector threaded upper ends, the upper end of disc holder is provided with travel switch, and travel switch is electrically connected
Screw rod is arranged in the upper end of motor, standing screw, and the outside of screw rod is arranged turntable, and the lower end of turntable is fixedly installed with contact,
The upper end of turntable is fixedly installed measuring scale shell；The front of measuring scale shell is equipped with display screen, and display screen lower end is provided with
Soft keyboard, measuring scale shell are internally provided with the first controller, and the front of measuring scale shell is equipped with industry camera, measurement
Ruler upper shell is fixedly installed solar panel, and the lower end of solar panel is electrically connected with photoelectric converter, photoelectric conversion
The lower end of device is electrically connected with battery, and battery is electrically connected with the first controller, industry camera, display screen, soft keyboard, and first
Controller is electrically connected with soft keyboard, industry camera, display screen, soft keyboard, the first wireless transceiver, measuring scale shell
Upper end is provided with the first wireless transceiver, and the first wireless transceiver signal is connected with the second wireless transceiver, the first wireless receiving and dispatching
Device setting controls shell in remote sensing, and remote sensing control outer casing frontispiece is fixedly installed with remote sensing control screen, and remote sensing is controlling screen just
Lower section is provided with remote sensing control keyboard, and remote sensing control screen is electrically connected with second controller.
2. a kind of remote sensing survey ruler according to claim 1, which is characterized in that the pedestal is disc-shape lower end, and
The two sides of base bottom are pierced with being fixedly connected to.
3. a kind of remote sensing survey ruler according to claim 1, which is characterized in that the rack was connect with L-type support
The position of position, connector and Auxiliary support connection is provided with reinforcement bushing.
4. a kind of remote sensing survey ruler according to claim 1, which is characterized in that the position that the screw rod is connect with turntable
It is symmetrically set with a pair of of steel-ball groove, the inside of a pair of of steel-ball groove is provided with steel ball, and steel ball is far from outside screw rod and position
It offsets inside steel-ball groove and is provided with ball stopper plate, ball stopper plate has been fixedly connected with spring, and steel-ball groove is fixed far from one end of steel ball
Blocking is installed.
5. a kind of remote sensing survey ruler according to claim 1, which is characterized in that be respectively provided with outside the turntable and rack
There is intermeshing rack gear.
6. a kind of remote sensing survey ruler according to claim 1, which is characterized in that the lower section of the remote sensing control shell is fixed
It is provided with idler wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821782963.1U CN208736350U (en) | 2018-10-31 | 2018-10-31 | A kind of remote sensing survey ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821782963.1U CN208736350U (en) | 2018-10-31 | 2018-10-31 | A kind of remote sensing survey ruler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208736350U true CN208736350U (en) | 2019-04-12 |
Family
ID=66035573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821782963.1U Expired - Fee Related CN208736350U (en) | 2018-10-31 | 2018-10-31 | A kind of remote sensing survey ruler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208736350U (en) |
-
2018
- 2018-10-31 CN CN201821782963.1U patent/CN208736350U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109521162A (en) | A kind of industrial pollution automatic monitoring equipment and monitoring method | |
| CN204789391U (en) | Liquid crystal display defect is camera subassembly that moves for automatic check out system | |
| CN204373601U (en) | A kind of form and position tolerance pick-up unit for deadlight | |
| CN207439384U (en) | Major diameter sealing ring internal-and external diameter precision measuring instrument | |
| CN217637249U (en) | Detection device of negative coating beta-ray thickness gauge | |
| CN113607729A (en) | Underground environment detection system based on optical sensing | |
| CN109854898A (en) | A kind of non-contact testing device | |
| CN203365444U (en) | Automatic test strip outputting detector | |
| CN204790233U (en) | Liquid crystal display defect automatic check out system | |
| CN206020384U (en) | A kind of radioaerosol sampling and measurement apparatus | |
| CN208736350U (en) | A kind of remote sensing survey ruler | |
| CN204731344U (en) | LCDs defect automatic checkout system display screen moving parts | |
| CN109269410A (en) | A kind of remote sensing survey ruler | |
| CN110044272B (en) | Laser width measurement centering device and using method | |
| CN203848824U (en) | Mounting adjusting mechanism for tilt angle sensor of transmission tower | |
| CN217466649U (en) | Large-scale ultra-thin glass stripe degree detection equipment | |
| CN206440248U (en) | Width gage | |
| CN208953410U (en) | A kind of field calibration equipment of particulate matter sensors | |
| CN211180200U (en) | Infrared distance measuring equipment for engineering geophysical prospecting | |
| CN209013991U (en) | A kind of total station | |
| CN209006067U (en) | A kind of flat motor paraffin filling device | |
| CN202453009U (en) | Integrated tester for actuator | |
| CN220437294U (en) | Wheel measuring device | |
| CN219957390U (en) | Automatic line detection device | |
| CN219552675U (en) | Carrying device of tunnel advanced geological prediction instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190412 |