CN107037440A - Laser range finder for traffic engineering quality testing - Google Patents
Laser range finder for traffic engineering quality testing Download PDFInfo
- Publication number
- CN107037440A CN107037440A CN201710483548.XA CN201710483548A CN107037440A CN 107037440 A CN107037440 A CN 107037440A CN 201710483548 A CN201710483548 A CN 201710483548A CN 107037440 A CN107037440 A CN 107037440A
- Authority
- CN
- China
- Prior art keywords
- mounting bar
- reflecting plate
- range finder
- foot lever
- laser range
- 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.)
- Granted
Links
- 238000012372 quality testing Methods 0.000 title claims abstract description 14
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 239000000758 substrate Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 17
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Electromagnetism (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
The present invention relates to laser range finder technical field, it is related to a kind of laser range finder for traffic engineering quality testing.It includes rangefinder main frame and matched reflection unit, and reflection unit includes reflecting plate and reflecting plate mounting seat；Reflecting plate mounting seat includes the U-shaped mounting bracket of upward opening, and U-shaped mounting bracket includes the first mounting bar, the second mounting bar and the 3rd mounting bar being sequentially connected；Being provided with the inside of U-shaped mounting bracket is used for the U-shaped slot that reflecting plate is inserted, and U-shaped slot is constituted by being respectively arranged on 3 articles of conduits in the middle part of the medial surface of the first mounting bar, the second mounting bar and the 3rd mounting bar.The present invention is simple in construction, easy to operate.
Description
Technical field
The present invention relates to laser range finder technical field, specifically, it is related to a kind of for traffic engineering quality testing
Laser range finder.
Background technology
, it is necessary to use a variety of detection instruments in traffic engineering quality testing, and laser range finder is used as a kind of length
Survey tool is widely used in traffic engineering quality testing.Laser range finder is real using some parameter for modulating laser
Now to the instrument of the range measurement of target, it is divided into ranging phase method instrument and impulse method rangefinder according to distance-finding method.Pulsed
Laser range finder is operationally to project a branch of or of short duration pulse laser beam of a sequence to target, and target is received by photoelectric cell
The laser beam of reflection, timer determines laser beam from the time for being transmitted into reception, calculates from observer's range-to-go.Phase
The phase difference that position method laser range finder is occurred when being and being propagated in space using detection transmitting light and reflected light is come detecting distance.
No matter the laser range finder of which kind of distance-finding method is used, and it is to need to receive the reflected light at measurement target.In traffic work
In journey quality testing, it is poor or the problems such as lack laser reflection thing to be likely that there are light reflective at measurement target, so that can not
It is enough that preferably the length is measured using laser range finder.
The content of the invention
Present disclosure is to provide a kind of laser range finder for traffic engineering quality testing, and it can overcome existing
Certain or some defects of technology.
According to the laser range finder for traffic engineering quality testing of the present invention, it includes rangefinder main frame and matched somebody with somebody therewith
The reflection unit of conjunction, reflection unit includes reflecting plate and reflecting plate mounting seat；The U-shaped that reflecting plate mounting seat includes upward opening is pacified
Shelve, U-shaped mounting bracket includes the first mounting bar, the second mounting bar and the 3rd mounting bar being sequentially connected；Set on the inside of U-shaped mounting bracket
There is the U-shaped slot inserted for reflecting plate, U-shaped slot is by being respectively arranged on the first mounting bar, the second mounting bar and the 3rd mounting bar
Medial surface in the middle part of 3 conduits constitute；
Accommodating groove is provided with the middle part of 3rd mounting bar bottom surface along its length, stores and passes through the mechanism that is slidably connected at groove bottom wall
Provided with branch foot lever, branch foot lever width, which is less than, stores well width；It is provided with storage tank on branch foot lever in the middle part of top surface along its length, houses
Sliding rail groove is provided with groove sidewall along its length；The mechanism that is slidably connected includes attachment screw, sliding panel and compression spring, sliding
Dynamic plate is slidingly disposed at sliding rail groove, provided with cooperation through hole in the middle part of sliding panel；Attachment screw head is passed through from lower section matches somebody with somebody
Close affixed with storage groove bottom wall after through hole, compression spring is located between sliding panel and attachment screw afterbody；Compression spring is used to protect
The trend that sliding panel is located remotely from each other with attachment screw is held, branch foot lever upper surface can deviate from from storage tank.
In the present invention, reflection unit can be arranged at measurement target and sentence as measurement object of reference, so that rangefinder
Main frame being capable of measurement target preferably poor to light reflective by the cooperation with reflection unit or lacking laser reflection thing
Carry out distance measurement.
In the present invention, reflecting plate can be detachably connected by U-shaped slot and reflecting plate mounting seat, consequently facilitating to anti-
Plate is penetrated to be changed, cleaned.
In the present invention, branch foot lever can be telescopically in the accommodating groove of the 3rd mounting bar bottom surface, so that instead
Injection device is not being needed in use, branch foot lever can be accommodated at accommodating groove, consequently facilitating carrying.
In the present invention, the setting for the mechanism that is slidably connected so that after branch foot lever is fixed, U-shaped mounting bracket can pass through
Slip at sliding rail groove and be finely adjusted, so as to preferably ensure the accuracy of measurement.
Preferably, branch foot lever bottom is provided with sucker.This enables branch foot lever preferably fixed with measuring at target.
Preferably, branch foot lever amounts to 2 and is respectively arranged at the 3rd mounting bar both ends.So as to preferably ensure
The steadiness of U-shaped mounting bracket.
Preferably, reflecting plate includes substrate, the equal array in substrate both sides has multiple total reflection prisms.So that measurement light
Beam can be preferably by the reflection of level, and then preferably improves measurement accuracy.
Brief description of the drawings
Fig. 1 be embodiment 1 in rangefinder main frame schematic diagram；
Fig. 2 be embodiment 1 in reflecting plate schematic diagram；
Fig. 3 be embodiment 1 in reflecting plate mounting seat schematic diagram；
Fig. 4 be embodiment 1 in reflecting plate mounting seat part-structure diagrammatic cross-section；
Fig. 5 be embodiment 1 in adjustable air-bubble level schematic diagram.
Embodiment
To further appreciate that present disclosure, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.It should be understood that
, embodiment be only the present invention is explained and and it is non-limiting.
Embodiment 1
As shown in Figures 1 to 3, a kind of laser range finder for traffic engineering quality testing is present embodiments provided, it is wrapped
Rangefinder main frame 100 and matched reflection unit are included, reflection unit includes reflecting plate 200 and reflecting plate mounting seat 300.
With reference to shown in Fig. 1, adjustable air-bubble level 110 is provided with rangefinder main frame 100.
With reference to shown in Fig. 2, reflecting plate 200 includes substrate 210, and the equal array in the both sides of substrate 210 has multiple total reflection prisms
220。
With reference to shown in Fig. 3, reflecting plate mounting seat 300 includes the U-shaped mounting bracket 310 of upward opening, and U-shaped mounting bracket 310 is wrapped
Include the first mounting bar 311 being sequentially connected, the second mounting bar 312 and the 3rd mounting bar 313；The inner side of U-shaped mounting bracket 310 is provided with use
The U-shaped slot 314 inserted in reflecting plate 200, U-shaped slot 314 is by being respectively arranged on the first mounting bar 311, the and of the second mounting bar 312
3 articles of conduits in the middle part of the medial surface of 3rd mounting bar 313 are constituted.
With reference to shown in Fig. 4, accommodating groove 320, accommodating groove 320 are provided with the middle part of the bottom surface of the 3rd mounting bar 313 along its length
By the mechanism that is slidably connected provided with branch foot lever 330 at bottom wall, the width of branch foot lever 330 is less than the width of accommodating groove 320；Branch foot lever 330
Storage tank 331 is provided with the middle part of upper top surface along its length, the side-walls of storage tank 331 are provided with sliding rail groove 420 along its length.
In the present embodiment, branch foot lever 330 amounts to two and is respectively arranged at the both ends of the 3rd mounting bar 313.
Wherein, the mechanism that is slidably connected includes attachment screw 411, sliding panel 412 and compression spring 413, and sliding panel 412 can be slided
Dynamicly at sliding rail groove 420, the middle part of sliding panel 412 is provided with cooperation through hole 412a；Worn from lower section on the head of attachment screw 411
Cross affixed with the bottom wall of accommodating groove 320 after cooperation through hole 412a, compression spring 413 is located at sliding panel 412 and the afterbody of attachment screw 411
Between；Compression spring 413 is used on the trend for keeping sliding panel 412 to be located remotely from each other with the afterbody of attachment screw 411, branch foot lever 330
End face can be deviate from from storage tank 331.
In the present embodiment, the bottom of branch foot lever 330 is provided with sucker 340, and branch foot lever 330 amounts to 2 and is respectively arranged on the 3rd peace
Fill at the both ends of bar 313.
When being measured using the laser range finder of the present embodiment to such as width of roadway, the equidistant parameter of metope length, energy
It is enough that reflection unit is located at end measurement point, and rangefinder main frame can preferably be utilized with reflection unit in top measurement point
100 pairs between the two away from measuring.
Reflection unit in the present embodiment is when in idle state, and branch foot lever 330 can be taken in accommodating groove 320, from
And be easy to carry.
When reflection unit in the present embodiment is in use state, in the insertion U-shaped of reflecting plate 200 slot 314, reflecting plate
Total reflection prism 220 at 200 enables incident light is almost parallel to be reflected；Branch foot lever 330 can be from accommodating groove 320
Place extract out and with the 3rd mounting bar 313 at an angle, and then the automatic retraction of branch foot lever 330 can be prevented；Pass through sucker 340
Branch foot lever 330 preferably can be fixed on predetermined position, afterwards U-shaped mounting bracket 310 can relative sliding track groove 420 enter
Line slip, and then preferably the position of U-shaped mounting bracket 310 can be finely adjusted.
With reference to shown in Fig. 5, the side-walls of the side of rangefinder main frame 100 are provided with the installation cavity 120 of cylindricality, adjustable bubble level
Instrument 110 includes the level meter support 510 of column, and level meter support 510 is rotatably arranged in installation cavity 120.
Installation cavity 120 includes grafting chamber 521, limit chamber 522 and the positioning chamber 523 that from-inner-to-outer is set gradually；Limit chamber
Step, the i.e. diameter of limit chamber 522 are formed between 522 and grafting chamber 521 more than the diameter of grafting chamber 521；The diameter of positioning chamber 523 is not less than
The diameter of limit chamber 522.
In the overall insertion installation cavity 120 of level meter support 510, form spacing at the correspondence limit chamber 522 of level meter support 510
Locating ring 540 is threaded with ring 511, positioning chamber 523；Locating ring 540 is used to spacing ring 511 being limited in limit chamber 522
It is interior, so as to effectively prevent the abjection of level meter support 510.The upper surface of level meter support 510 and locating ring 540 is and rangefinder
The side of main frame 100 is concordant, is used so as to not interfere with the normal of rangefinder main frame 100.The upper end of level meter support 510 is formed
One air-bubble level 550 is set at support frame 512, support frame 512.
In the present embodiment, adjustable air-bubble level 110 is located at rangefinder main frame 100 and a side of measurement light level
Scale is also circumferentially evenly provided with place, the outer face of locating ring 540 and to measure the direction of beam projecting as " 0 " scale.
This make it that rangefinder main frame 100 can be adjusted in measurement distance to the angle of air-bubble level 550, and then keeps gas
The measurement light of soaked level 550 is beeline between the two.Such as：User, can be by air-bubble when measuring vertical distance
Level 550 is adjusted to the position vertical with measurement light, so as to by the calibration of air-bubble level 550, enable to measurement
Light more vertical injection；User can adjust air-bubble level 550 to measuring light when measuring horizontal range
At parallel position, so that by the calibration of air-bubble level 550, enable to measure light more parallel injection；So as to,
The accuracy of surveyed data is ensure that significantly.
Schematical above that the present invention and embodiments thereof are described, the description does not have restricted, institute in accompanying drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited thereto.So, if the common skill of this area
Art personnel are enlightened by it, without departing from the spirit of the invention, are designed and the technical scheme without creative
Similar frame mode and embodiment, all should belong to protection scope of the present invention.
Claims (4)
1. the laser range finder for traffic engineering quality testing, it is characterised in that：Match somebody with somebody including rangefinder main frame (100) and therewith
The reflection unit of conjunction, reflection unit includes reflecting plate (200) and reflecting plate mounting seat (300)；Reflecting plate mounting seat (300) includes
The U-shaped mounting bracket (310) of upward opening, U-shaped mounting bracket (310) includes the first mounting bar (311), the second installation being sequentially connected
Article (312) and the 3rd mounting bar (313)；Being provided with the inside of U-shaped mounting bracket (310) is used for the U-shaped slot that reflecting plate (200) is inserted
(314), U-shaped slot (314) is by being respectively arranged on the first mounting bar (311), the second mounting bar (312) and the 3rd mounting bar (313)
Medial surface in the middle part of 3 conduits constitute；
It is provided with accommodating groove (320), accommodating groove (320) bottom wall and passes through along its length in the middle part of 3rd mounting bar (313) bottom surface
The mechanism that is slidably connected is provided with branch foot lever (330), and branch foot lever (330) width is less than accommodating groove (320) width；On branch foot lever (330)
Storage tank (331) is provided with the middle part of top surface along its length, storage tank (331) side-walls are provided with sliding rail groove along its length
(420)；The mechanism that is slidably connected includes attachment screw (411), sliding panel (412) and compression spring (413), and sliding panel (412) can
Slidably it is located in the middle part of sliding rail groove (420) place, sliding panel (412) provided with cooperation through hole (412a)；Attachment screw (411) head
Portion is from lower section through coordinating through hole (412a) affixed with accommodating groove (320) bottom wall afterwards, and compression spring (413) is located at sliding panel
(412) between attachment screw (411) afterbody；Compression spring (413) is used to keep sliding panel (412) and attachment screw (411)
The trend being located remotely from each other, branch foot lever (330) upper surface can deviate from from storage tank (331) place.
2. the laser range finder according to claim 1 for traffic engineering quality testing, it is characterised in that：Branch foot lever
(330) bottom is provided with sucker (340).
3. the laser range finder according to claim 1 for traffic engineering quality testing, it is characterised in that：Branch foot lever
(330) amount to 2 and be respectively arranged at the 3rd mounting bar (313) both ends.
4. the laser range finder according to claim 1 for traffic engineering quality testing, it is characterised in that：Reflecting plate
(200) substrate (210) is included, the equal array in substrate (210) both sides there are multiple total reflection prisms (220).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710483548.XA CN107037440B (en) | 2017-06-22 | 2017-06-22 | Laser range finder for traffic engineering quality detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710483548.XA CN107037440B (en) | 2017-06-22 | 2017-06-22 | Laser range finder for traffic engineering quality detection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107037440A true CN107037440A (en) | 2017-08-11 |
| CN107037440B CN107037440B (en) | 2023-11-24 |
Family
ID=59542533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710483548.XA Active CN107037440B (en) | 2017-06-22 | 2017-06-22 | Laser range finder for traffic engineering quality detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107037440B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111426752A (en) * | 2020-04-30 | 2020-07-17 | 国电锅炉压力容器检验有限公司 | Method for quickly positioning horizontal position of reflected signal for ultrasonic transverse wave detection |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090046107A (en) * | 2007-11-05 | 2009-05-11 | 유기선 | Folding table for multi-using |
| CN101694530A (en) * | 2009-10-20 | 2010-04-14 | 北京航天发射技术研究所 | Composite right-angle prism for auto-collimating optical system and manufacturing method thereof |
| CN201628771U (en) * | 2010-03-29 | 2010-11-10 | 中冶建工有限公司 | Digital laser range finder |
| CN201852583U (en) * | 2010-06-04 | 2011-06-01 | 浙江吉利汽车研究院有限公司 | Manually adjusted laser locating device |
| CN102280073A (en) * | 2010-06-11 | 2011-12-14 | 永硕联合国际股份有限公司 | Flat panel display device |
| CN202092645U (en) * | 2011-04-21 | 2011-12-28 | 浙江吉利汽车研究院有限公司 | Fixing support for laser locator |
| CN103047940A (en) * | 2012-12-17 | 2013-04-17 | 中国建筑第八工程局有限公司 | Method and device for measuring volume deformation of large-volume concrete bottom plate by using laser wireless distance meter |
| CN103093698A (en) * | 2011-11-02 | 2013-05-08 | 瀚宇彩晶股份有限公司 | Flat panel display with stowable base |
| CN104614053A (en) * | 2015-01-20 | 2015-05-13 | 上海自动化仪表股份有限公司 | Reflecting material level instrument calibration device and simulated guide rail type calibration method thereof |
| CN204403693U (en) * | 2014-11-04 | 2015-06-17 | 旭智科技股份有限公司 | Projection system and supporting structure thereof |
| CN204504169U (en) * | 2015-04-08 | 2015-07-29 | 安徽工业大学 | A kind of device utilizing laser detection secondary cooling area for continuous casting nozzle operation situation |
| CN204570299U (en) * | 2015-03-20 | 2015-08-19 | 长兴泗安科林植保专业合作社 | A kind of folding clothes hanger modified node method |
| DE102014110807A1 (en) * | 2014-07-30 | 2016-02-04 | Endress & Hauser Meßtechnik GmbH & Co. KG | Mobile device for on-site calibration of a contactless level gauge |
| CN206804870U (en) * | 2017-06-22 | 2017-12-26 | 郑胜芳 | Laser range finder for traffic engineering quality testing |
-
2017
- 2017-06-22 CN CN201710483548.XA patent/CN107037440B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090046107A (en) * | 2007-11-05 | 2009-05-11 | 유기선 | Folding table for multi-using |
| CN101694530A (en) * | 2009-10-20 | 2010-04-14 | 北京航天发射技术研究所 | Composite right-angle prism for auto-collimating optical system and manufacturing method thereof |
| CN201628771U (en) * | 2010-03-29 | 2010-11-10 | 中冶建工有限公司 | Digital laser range finder |
| CN201852583U (en) * | 2010-06-04 | 2011-06-01 | 浙江吉利汽车研究院有限公司 | Manually adjusted laser locating device |
| CN102280073A (en) * | 2010-06-11 | 2011-12-14 | 永硕联合国际股份有限公司 | Flat panel display device |
| CN202092645U (en) * | 2011-04-21 | 2011-12-28 | 浙江吉利汽车研究院有限公司 | Fixing support for laser locator |
| CN103093698A (en) * | 2011-11-02 | 2013-05-08 | 瀚宇彩晶股份有限公司 | Flat panel display with stowable base |
| CN103047940A (en) * | 2012-12-17 | 2013-04-17 | 中国建筑第八工程局有限公司 | Method and device for measuring volume deformation of large-volume concrete bottom plate by using laser wireless distance meter |
| DE102014110807A1 (en) * | 2014-07-30 | 2016-02-04 | Endress & Hauser Meßtechnik GmbH & Co. KG | Mobile device for on-site calibration of a contactless level gauge |
| CN204403693U (en) * | 2014-11-04 | 2015-06-17 | 旭智科技股份有限公司 | Projection system and supporting structure thereof |
| CN104614053A (en) * | 2015-01-20 | 2015-05-13 | 上海自动化仪表股份有限公司 | Reflecting material level instrument calibration device and simulated guide rail type calibration method thereof |
| CN204570299U (en) * | 2015-03-20 | 2015-08-19 | 长兴泗安科林植保专业合作社 | A kind of folding clothes hanger modified node method |
| CN204504169U (en) * | 2015-04-08 | 2015-07-29 | 安徽工业大学 | A kind of device utilizing laser detection secondary cooling area for continuous casting nozzle operation situation |
| CN206804870U (en) * | 2017-06-22 | 2017-12-26 | 郑胜芳 | Laser range finder for traffic engineering quality testing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111426752A (en) * | 2020-04-30 | 2020-07-17 | 国电锅炉压力容器检验有限公司 | Method for quickly positioning horizontal position of reflected signal for ultrasonic transverse wave detection |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107037440B (en) | 2023-11-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2008008210A3 (en) | Handheld laser light detector with height correction, using a gps receiver to provide two-dimensional position data | |
| US20100315654A1 (en) | LIDAR Instrument System and Process | |
| ATE467815T1 (en) | ELECTRO-OPTICAL RANGE FINDER | |
| CN205669991U (en) | Steam turbine thermal test measuring point measured height instrument | |
| RU150883U1 (en) | STAND FOR CALIBRATION AND VERIFICATION OF RADAR LEVELS | |
| US8094291B2 (en) | Device for a length measurement and adapter for accomodating a device for a length measurement | |
| KR101223125B1 (en) | Altitude data update system | |
| CN106289454A (en) | Liquidometer gage and apply its liquidometer calibration steps | |
| CN101794506A (en) | Method and device used for data calibration in distributed type optical fiber temperature sensor | |
| CN206804870U (en) | Laser range finder for traffic engineering quality testing | |
| CN105510000B (en) | Optical laying demarcation detection method | |
| CN111735419A (en) | Slope horizontal displacement monitoring system and method thereof | |
| CN107037440A (en) | Laser range finder for traffic engineering quality testing | |
| JPS59135323A (en) | Method and device for measuring quantity of liquid in tank | |
| JP3390629B2 (en) | Survey method of propulsion method | |
| KR101494855B1 (en) | Bench mark surveying system | |
| CN203385420U (en) | Laser centering device applicable to height measurement and total station applying laser centering device | |
| CN203811169U (en) | Flatness tester | |
| CN103592838B (en) | Based on optical path delayed time interval measurement calibrating installation and measurement calibration steps thereof | |
| KR101776582B1 (en) | Method for inspecting efficiency of water meter | |
| CN106353250B (en) | A kind of laser bevel friction coefficient measuring instrument | |
| CN102506768A (en) | Dynamic characteristic calibration method and device for laser small angle measurement device | |
| CN203687831U (en) | Measuring subassembly for measuring thickness of floor plate | |
| KR101494852B1 (en) | Precision improvement leveling system | |
| CN105526950A (en) | Calibration detection device for optical sighting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180315 Address after: 237000 River town of Anhui province Lu'an City District Xinmin village happy group Applicant after: Xu Jian Address before: 321104 Zhejiang city of Jinhua province Lanxi city Yongchang Street Guo Bei Lu Applicant before: Zheng Shengfang |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20231030 Address after: 010000 No.11 Zhanbei Road, Huimin District, Hohhot City, Inner Mongolia Autonomous Region Applicant after: Inner Mongolia Highway Engineering Consulting and Supervision Co.,Ltd. Address before: 237000 Meiman Group, Xinmin Village, Shunhe Town, Yu'an District, Lu'an City, Anhui Province Applicant before: Xu Jian |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |