CN106197329A - A kind of motion ground flatness detecting device, detecting system and detection method - Google Patents
A kind of motion ground flatness detecting device, detecting system and detection method Download PDFInfo
- Publication number
- CN106197329A CN106197329A CN201610487033.2A CN201610487033A CN106197329A CN 106197329 A CN106197329 A CN 106197329A CN 201610487033 A CN201610487033 A CN 201610487033A CN 106197329 A CN106197329 A CN 106197329A
- Authority
- CN
- China
- Prior art keywords
- ground
- detecting device
- motion ground
- motion
- measurement
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The open a kind of motion ground flatness detecting device of the present invention, detecting system and detection method, described motion ground flatness detecting device includes: main shaft, is vertically set on ground to be detected;Tripod, the cross bar of tripod is vertically fixed on described main shaft, and can rotate around major axis horizontal, and one end of cross bar is scale slide rail;Rotating driver, is fixed on described main shaft, is connected with described cross bar, is used for driving described cross bar to horizontally rotate;Laser range finder, is arranged on the scale slide rail of described cross bar, and can slide along described scale slide rail level, for measuring the apparent height of described ground to be measured various location.Motion ground flatness detecting device of the present invention drives scale slide rail and laser range finder to rotate by rotating driver, realize treating the measurement of the apparent height of geodetic face diverse location under different measuring radius, and then can determine that in surveyed planar range a little between relative height differential, thus effectively determine ground flat degree to be measured.
Description
Technical field
The present invention relates to ground survey technical field, particularly relate to a kind of motion ground flatness detecting device, detection
System and detection method.
Background technology
Amusement performance that sports field is predominantly applicable to hold on athletic ground, body-building, training, athletic competition etc. are comprehensive
Sexual activity place.The athletic competition of high-grade specialty such as CBA, NBA etc. is typically carried out on special Sports floor, and must
Must detect the indexs of correlation such as its flatness through professional institution, the relevant all technical of physical culture timber floor all meets state
Can put into effect after the requirement that family's standard specifies.
The roughness index of sports field motion ground, will directly affect the performance of athlete's technical merit, athletic injury
With fatigue, even personal safety.The ground in China overwhelming majority professional motion place is the bullets such as physical culture timber floor or rubber at present
Gonosome.Its each structure sheaf is changed by factors such as foundation ground flatness, frequency of usage and indoor and outdoor surroundings aerial temperature and humidity, illumination
Impact, surface layer and the overall structure on professional motion ground be easily deformed, and cause surface layer local occur uneven or
Just inconsistent phenomenon.Not only affect the performance on its athletic ground, the people moved over also will be produced major safety risks.
And existing professional motion floor surface detecting instrument focuses mostly in surface layer surface abrasion resistance, frictional behaviour, bullet
The detection of the aspect such as property and hardness.Detection equipment, detection method and quality judging for motion ground surface smoothness only limit
Carry out standard value restriction in macroscopical and easy detection instrument and method, it is impossible to measure specify the ground flat degree in region and
The relative height differential of multi-point, thus cause the flatness on athletic ground to differ greatly, it is impossible to reach high standard competitive sports and
The construction standardization on movable requirement, the development limiting sports industry and professional motion ground is popularized.
Summary of the invention
It is an object of the invention to provide a kind of motion ground flatness detecting device, can effectively realize ground flat degree
Measure, defect is vouched and analysis and evaluation.
For achieving the above object, the invention provides following scheme:
A kind of motion ground flatness detecting device, described motion ground flatness detecting device includes:
Main shaft, is vertically set on ground to be detected;
Tripod, the cross bar of described tripod is vertically fixed on described main shaft, and can turn around described major axis horizontal
Dynamic, one end of described cross bar is scale slide rail;
Rotating driver, is fixed on described main shaft, is connected with described cross bar, is used for driving described cross bar to horizontally rotate;
Laser range finder, is arranged on the scale slide rail of described cross bar, and can slide along described scale slide rail level,
For measuring the apparent height of described ground to be measured various location.
Optionally, described motion ground flatness detecting device also includes:
Base, fixes with described main shaft and is connected.
Optionally, described base is tripod type base.
Optionally, described tripod is integral type structure.
Optionally, the material of described tripod is alloy.
Optionally, described laser range finder is reflective triangulation laser range instrument.
The specific embodiment provided according to the present invention, the invention discloses techniques below effect:
Motion ground flatness detecting device of the present invention drives laser range finder to rotate by rotating driver, it is achieved not
The same measurement measuring the apparent height treating geodetic face diverse location under radius, and then can determine that the relative height differential of multi-point,
Thus effectively determine ground flat degree to be measured.
It is a further object of the present invention to provide a kind of motion ground planeness detection system, can effectively realize Land leveling
The measurement of degree, defect are vouched and analysis and evaluation.
For achieving the above object, the invention provides following scheme:
A kind of motion ground planeness detection system, described detecting system includes;
Above-mentioned motion ground flatness detecting device;And
Control device, the table of the ground to be measured diverse location for measuring according to described motion ground flatness detecting device
Face height, determines the flatness on described ground to be measured.
Optionally, described control device is additionally operable to the measurement starting point according to laser range finder, measurement time, measures radius
And the velocity of rotation of rotating driver determines measurement position corresponding in described ground to be measured.
Relative to prior art, motion ground planeness detection system of the present invention and above-mentioned motion ground flatness detection dress
The beneficial effect put is identical, does not repeats them here.
It is yet another object of the invention to provide a kind of motion ground measurement method of planeness, can effectively realize Land leveling
The measurement of degree, defect are vouched and analysis and evaluation.
For achieving the above object, the invention provides following scheme:
A kind of motion ground measurement method of planeness, described motion ground measurement method of planeness uses above-mentioned motion ground
Flatness detecting device or above-mentioned motion ground planeness detection system, described motion ground measurement method of planeness includes:
Repeatedly adjusting laser range finder position on scale slide rail, the measurement radius making adjustment laser range finder is Rn,
Wherein, n represents the number of times of adjustment, n=1 ..., N, and N >=2, the measurement radius after every time adjusting is unequal;
Rotating driver drives cross bar rotating 360 degrees with the velocity of rotation set, and makes described laser range finder measure radius and is
RnCircumference in the apparent height on ground described to be measured;
The apparent height measured under different measuring radius according to described laser range finder, determines with Rn-R1Circle for radius
The flatness on the ground described to be measured in ring region territory.
Optionally, described motion ground measurement method of planeness also includes:
Measurement starting point, measurement time, measurement radius and the velocity of rotation of rotating driver according to laser range finder
Determine measurement position corresponding in described ground to be measured.
Relative to prior art, motion ground measurement method of planeness of the present invention and above-mentioned motion ground flatness detection dress
The beneficial effect put is identical, does not repeats them here.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing used is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is only some enforcements of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to these accompanying drawings
Obtain other accompanying drawing.
Fig. 1 is the structural representation of motion ground flatness detecting device of the present invention;
Fig. 2 is the modular structure schematic diagram of motion ground planeness detection system of the present invention;
Fig. 3 is the flow chart of motion ground measurement method of planeness of the present invention;
Fig. 4 is the measured zone schematic diagram under different measuring radius.
Symbol description:
Main shaft 1 tripod 2
Cross bar 21 scale slide rail 211
Rotating driver 3 laser range finder 4
Base 5 fastening bolt 6
Ground 7 to be measured.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
It is an object of the invention to provide a kind of motion ground flatness detecting device, drive Laser Measuring by rotating driver
Distance meter rotates, it is achieved treats the measurement of the apparent height of geodetic face diverse location under different measuring radius, and then can determine that many
Relative height differential between point, thus effectively determine ground flat degree to be measured.
Understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, real with concrete below in conjunction with the accompanying drawings
The present invention is further detailed explanation to execute mode.
As it is shown in figure 1, motion ground flatness detecting device of the present invention include main shaft 1, tripod 2, rotating driver 3 and
Laser range finder 4.Wherein, described main shaft 1 is vertically set on ground 7 to be detected;The cross bar 21 of described tripod 2 is vertically fixed
On described main shaft 1, and can horizontally rotate around described main shaft 1, one end of described cross bar 21 is scale slide rail 211;Described
Rotating driver 3 is fixed on described main shaft 1, is connected with described cross bar 21, is used for driving described cross bar 21 to horizontally rotate;Described
Laser range finder 4 is arranged on the scale slide rail 211 of described cross bar 21, and can slide along described scale slide rail 211 level,
For measuring the apparent height of described ground to be measured 7 various location.
In the present embodiment, described laser range finder 4 is reflective triangulation laser range instrument, treats the surface in geodetic face 7
Highly measuring, measuring accuracy is higher, and measurement data can be directly recorded in computer convenient analysis.
For make described cross bar 21 along described main shaft 1 horizontally rotate time, the position of described main shaft immobilizes, the present invention move
Ground flat degree detection device also includes base 5, and described base 5 is fixing with described main shaft 1 to be connected.Preferred version, described base 5
For tripod type base.
Further, described tripod 2 is integral type structure, to guarantee operating stability and accuracy.In this reality
Execute in example, by fastening bolt 6, the top of described tripod 2 is fixed on described main shaft 1.The material of described tripod 2 can
For alloy, but it is not limited thereto.
Another object of the present invention is to provide a kind of motion ground planeness detection system.As in figure 2 it is shown, present invention fortune
Dynamic ground flat degree detecting system includes motion ground flatness detecting device and controls device, wherein, described control device
The apparent height of the ground to be measured diverse location for measuring according to described motion ground flatness detecting device, determine described in treat
The flatness in geodetic face.
Further, described control device is additionally operable to the measurement starting point according to laser range finder, measurement time, measures half
The velocity of rotation of footpath and rotating driver determines measurement position corresponding in described ground to be measured.
It is discussed in detail with detailed description of the invention below:
First motion ground flatness detecting device is positioned in ground to be measured, reflective triangulation laser range instrument is adjusted
Whole to be measured radius R1Place (R1Numerical value can read from scale slide rail 211) record measured zone central point and measure starting point, if
Velocity of rotation α (degrees second) and the rotation original position of determining rotating driver 3 are 0 °, set described reflective triangulation laser range
Signals collecting frequency b (secondary/second) of instrument.Measure beginning Vee formation frame at the uniform velocity to rotate around main shaft 1.Reflective triangulation laser range instrument
Can record the apparent height of measured position, stop operating after cross bar 21 rotating 360 degrees, now recording radius is R1Circumference table
Surface evenness data.Regulate reflective triangulation laser range instrument extremely radius R to be measured2Repeat aforesaid operations.Finally can be by reflection
The data that formula triangulation laser range instrument gathers are drawn with RN-R1For the measurement plane in the circular ring type region of radius, and determine multiple spot
Between relative height differential.According to measuring starting point and time t × velocity of rotation α can also be measured and measure radius RNDetermine a certain
The particular location of point, in order to carry out suitable process and repairing.
Additionally, the present invention also provides for a kind of motion ground measurement method of planeness, described motion ground flatness detection side
Method uses above-mentioned motion ground flatness detecting device or above-mentioned motion ground planeness detection system to detect.
As it is shown on figure 3, motion ground measurement method of planeness of the present invention includes:
Step 100: repeatedly adjust laser range finder position on scale slide rail, makes the measurement half of adjustment laser range finder
Footpath is Rn.Wherein, n represents the number of times of adjustment, n=1 ..., N, and N >=2, the measurement radius after every time adjusting is unequal (such as Fig. 4
Shown in, measure radius adjustable).
Step 200: rotating driver drives cross bar rotating 360 degrees with the velocity of rotation set, and makes described laser range finder survey
Amount radius is RnCircumference in the apparent height on ground described to be measured.
Step 300: the apparent height measured under different measuring radius according to described laser range finder, determines with Rn-R1For
The flatness on the ground described to be measured in the circle ring area of radius.
Further, motion ground measurement method of planeness of the present invention also includes: initiate according to the measurement of laser range finder
The velocity of rotation of point, measurement time, measurement radius and rotating driver determines measurement position corresponding in described ground to be measured
Put, in order to be further analyzed and repair.
In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment, identical similar portion sees mutually.
Principle and the embodiment of the present invention are set forth by specific case used herein, saying of above example
Bright method and the core concept thereof being only intended to help to understand the present invention;Simultaneously for one of ordinary skill in the art, foundation
The thought of the present invention, the most all will change.In sum, this specification content is not
It is interpreted as limitation of the present invention.
Claims (10)
1. a motion ground flatness detecting device, it is characterised in that described motion ground flatness detecting device includes:
Main shaft, is vertically set on ground to be detected;
Tripod, the cross bar of described tripod is vertically fixed on described main shaft, and can rotate around described major axis horizontal, institute
The one end stating cross bar is scale slide rail;
Rotating driver, is fixed on described main shaft, is connected with described cross bar, is used for driving described cross bar to horizontally rotate;
Laser range finder, is arranged on the scale slide rail of described cross bar, and can slide along described scale slide rail level, is used for
Measure the apparent height of described ground to be measured various location.
Motion ground flatness detecting device the most according to claim 1, it is characterised in that described motion ground flatness
Detection device also includes:
Base, fixes with described main shaft and is connected.
Motion ground flatness detecting device the most according to claim 2, it is characterised in that described base is at the bottom of tripod type
Seat.
4. according to the motion ground flatness detecting device according to any one of claim 1-3, it is characterised in that described triangle
Frame is integral type structure.
5. according to the motion ground flatness detecting device according to any one of claim 1-3, it is characterised in that described triangle
The material of frame is alloy.
6. according to the motion ground flatness detecting device according to any one of claim 1-3, it is characterised in that described laser
Diastimeter is reflective triangulation laser range instrument.
7. a motion ground planeness detection system, it is characterised in that described detecting system includes;
According to the motion ground flatness detecting device according to any one of claim 1-6;And
Control device, the surface of the ground to be measured various location for measuring according to described motion ground flatness detecting device
Highly, the flatness on described ground to be measured is determined.
Motion ground planeness detection system the most according to claim 7, it is characterised in that described control device is additionally operable to
The velocity of rotation of measurement starting point, measurement time, measurement radius and rotating driver according to laser range finder determines in institute
State measurement position corresponding in ground to be measured.
9. a motion ground measurement method of planeness, it is characterised in that described motion ground measurement method of planeness uses root
According to the motion ground flatness detecting device according to any one of claim 1-6 or according to the motion described in claim 7 or 8
Ground flat degree detecting system, described motion ground measurement method of planeness includes:
Repeatedly adjusting laser range finder position on scale slide rail, the measurement radius making adjustment laser range finder is Rn, wherein, n
The number of times that expression adjusts, n=1 ..., N, and N >=2, the measurement radius after every time adjusting is unequal;
Rotating driver drives cross bar rotating 360 degrees with the velocity of rotation set, and making described laser range finder measure radius is Rn's
The apparent height on the ground described to be measured in circumference;
The apparent height measured under different measuring radius according to described laser range finder, determines with Rn-R1Annular regions for radius
The flatness on the ground described to be measured in territory.
Motion ground measurement method of planeness the most according to claim 9, it is characterised in that described motion ground is smooth
Degree detection method also includes:
The velocity of rotation of measurement starting point, measurement time, measurement radius and rotating driver according to laser range finder determines
Measurement position corresponding in described ground to be measured.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610487033.2A CN106197329A (en) | 2016-06-28 | 2016-06-28 | A kind of motion ground flatness detecting device, detecting system and detection method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610487033.2A CN106197329A (en) | 2016-06-28 | 2016-06-28 | A kind of motion ground flatness detecting device, detecting system and detection method |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106197329A true CN106197329A (en) | 2016-12-07 |
Family
ID=57462045
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610487033.2A Pending CN106197329A (en) | 2016-06-28 | 2016-06-28 | A kind of motion ground flatness detecting device, detecting system and detection method |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106197329A (en) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106767742A (en) * | 2016-12-29 | 2017-05-31 | 西京学院 | Perpendicularity and smoothness intelligent detection ruler and its measuring method |
CN107576267A (en) * | 2017-09-07 | 2018-01-12 | 哈尔滨工业大学 | A kind of precision measurement method in place of boart boart wheel disc dressing accuracy |
CN107607077A (en) * | 2017-08-31 | 2018-01-19 | 无锡厚发自动化设备有限公司 | Building ground measurement method of planeness |
CN107607078A (en) * | 2017-08-31 | 2018-01-19 | 无锡厚发自动化设备有限公司 | Building ground roughness detection equipments |
CN108195323A (en) * | 2018-03-28 | 2018-06-22 | 中冶建工集团有限公司 | A kind of degree of plainness for wall surface measuring method |
CN108489429A (en) * | 2018-03-28 | 2018-09-04 | 中冶建工集团有限公司 | A kind of degree of plainness for wall surface measuring device |
CN108981645A (en) * | 2018-06-26 | 2018-12-11 | 赵晓晨 | A kind of smooth measuring device for building |
CN109084706A (en) * | 2018-06-25 | 2018-12-25 | 天津大学 | Robot measurement athletic ground universe flatness automatic testing method and device |
CN111141236A (en) * | 2020-02-18 | 2020-05-12 | 中建八局轨道交通建设有限公司 | Flatness measuring device and using method thereof |
CN112525081A (en) * | 2020-11-16 | 2021-03-19 | 广东九联科技股份有限公司 | Measuring method based on laser displacement |
CN114324822A (en) * | 2021-12-31 | 2022-04-12 | 临沂市兰山区自然资源开发服务中心 | Land quality monitoring system and method based on big data |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN200982853Y (en) * | 2006-08-25 | 2007-11-28 | 佛山市顺德区汉达精密电子科技有限公司 | Tool for detecting product surface smoothness or overlap |
CN101109632A (en) * | 2007-07-24 | 2008-01-23 | 广州广船国际股份有限公司 | Flatness checking device and method of using the same |
CN201339159Y (en) * | 2008-12-31 | 2009-11-04 | 长安大学 | Laser pavement evenness testing apparatus |
CN102628667A (en) * | 2012-05-04 | 2012-08-08 | 南京三邦金属复合材料有限公司 | Unevenness detecting device and detecting method for composite material plate |
CN203530824U (en) * | 2013-09-30 | 2014-04-09 | 长安大学 | Portable pavement smoothness laser detector with three-meter straight rule |
CN103940380A (en) * | 2014-04-08 | 2014-07-23 | 广东正业科技股份有限公司 | Planeness test method and device |
-
2016
- 2016-06-28 CN CN201610487033.2A patent/CN106197329A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN200982853Y (en) * | 2006-08-25 | 2007-11-28 | 佛山市顺德区汉达精密电子科技有限公司 | Tool for detecting product surface smoothness or overlap |
CN101109632A (en) * | 2007-07-24 | 2008-01-23 | 广州广船国际股份有限公司 | Flatness checking device and method of using the same |
CN201339159Y (en) * | 2008-12-31 | 2009-11-04 | 长安大学 | Laser pavement evenness testing apparatus |
CN102628667A (en) * | 2012-05-04 | 2012-08-08 | 南京三邦金属复合材料有限公司 | Unevenness detecting device and detecting method for composite material plate |
CN203530824U (en) * | 2013-09-30 | 2014-04-09 | 长安大学 | Portable pavement smoothness laser detector with three-meter straight rule |
CN103940380A (en) * | 2014-04-08 | 2014-07-23 | 广东正业科技股份有限公司 | Planeness test method and device |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106767742A (en) * | 2016-12-29 | 2017-05-31 | 西京学院 | Perpendicularity and smoothness intelligent detection ruler and its measuring method |
CN107607078B (en) * | 2017-08-31 | 2019-09-13 | 无锡厚发自动化设备有限公司 | Building ground roughness detection equipments |
CN107607077A (en) * | 2017-08-31 | 2018-01-19 | 无锡厚发自动化设备有限公司 | Building ground measurement method of planeness |
CN107607078A (en) * | 2017-08-31 | 2018-01-19 | 无锡厚发自动化设备有限公司 | Building ground roughness detection equipments |
CN107607077B (en) * | 2017-08-31 | 2019-09-13 | 无锡厚发自动化设备有限公司 | Building ground measurement method of planeness |
CN107576267A (en) * | 2017-09-07 | 2018-01-12 | 哈尔滨工业大学 | A kind of precision measurement method in place of boart boart wheel disc dressing accuracy |
CN108195323A (en) * | 2018-03-28 | 2018-06-22 | 中冶建工集团有限公司 | A kind of degree of plainness for wall surface measuring method |
CN108489429A (en) * | 2018-03-28 | 2018-09-04 | 中冶建工集团有限公司 | A kind of degree of plainness for wall surface measuring device |
CN109084706A (en) * | 2018-06-25 | 2018-12-25 | 天津大学 | Robot measurement athletic ground universe flatness automatic testing method and device |
CN108981645A (en) * | 2018-06-26 | 2018-12-11 | 赵晓晨 | A kind of smooth measuring device for building |
CN111141236A (en) * | 2020-02-18 | 2020-05-12 | 中建八局轨道交通建设有限公司 | Flatness measuring device and using method thereof |
CN112525081A (en) * | 2020-11-16 | 2021-03-19 | 广东九联科技股份有限公司 | Measuring method based on laser displacement |
CN114324822A (en) * | 2021-12-31 | 2022-04-12 | 临沂市兰山区自然资源开发服务中心 | Land quality monitoring system and method based on big data |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106197329A (en) | A kind of motion ground flatness detecting device, detecting system and detection method | |
AU2020101438A4 (en) | Sport floor flatness detection device, detection system and detection method | |
US10247553B2 (en) | Virtual sport system using start sensor for accurate simulation of movement of a ball | |
CN104807390B (en) | A kind of concrete surface pattern measurement instrument and its test method | |
CN102245269B (en) | Sensing system for entering angle and hitting point | |
CN102252637A (en) | Method for detecting flatness of large-scale flange | |
CN213632133U (en) | Device for measuring verticality of vertical component | |
CN201653402U (en) | Laser and bubble combined level gauge | |
CN106092137B (en) | The outdoor calibrator (-ter) unit and method of a kind of vehicle-mounted three-dimensional laser pavement detection system | |
CN106770296B (en) | A kind of four ball friction tests mill spot image polishing scratch deflection automatic measuring method | |
CN107309281B (en) | Device and method for detecting center point of target plate of rolling production line | |
CN108663021A (en) | Construction wall testing apparatus for verticality and the detection method for using the device | |
CN104567656B (en) | Impeller detection device | |
CN103884320A (en) | Detection method of structure perpendicularity | |
CN105627945B (en) | Non-spherical element center and the measurement apparatus and measuring method of cylindrical center shift amount | |
US20220008798A1 (en) | A ball striking training simulator | |
CN207365914U (en) | A kind of guide rail calibration equipment | |
CN107389316A (en) | Testing device of display panel and display panel method of testing | |
CN106841575B (en) | A kind of four ball friction tests mill spot image polishing scratch direction automatic positioning method | |
CN107702693A (en) | A kind of geological section measurement apparatus and measuring method | |
CN106949849A (en) | Bearing ball deviation from spherical form method for quick based on laser interference Holographic test method | |
CN106197390A (en) | A kind of spheroid centre of sphere coordinate location device | |
CN108489363B (en) | Portable rock core structure face inclination angle field measurement device | |
CN207963844U (en) | Mining influence lower room basic slope settles stretcher strain measuring device | |
CN100348948C (en) | Image pickup range finder for field events and range finding method |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161207 |
|
RJ01 | Rejection of invention patent application after publication |