CN109253716A - The non-contact measurement apparatus and method of crossbeam amount of deflection - Google Patents
The non-contact measurement apparatus and method of crossbeam amount of deflection Download PDFInfo
- Publication number
- CN109253716A CN109253716A CN201710566470.8A CN201710566470A CN109253716A CN 109253716 A CN109253716 A CN 109253716A CN 201710566470 A CN201710566470 A CN 201710566470A CN 109253716 A CN109253716 A CN 109253716A
- Authority
- CN
- China
- Prior art keywords
- crossbeam
- platform
- measuring device
- range finder
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C3/00—Measuring distances in line of sight; Optical rangefinders
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Electromagnetism (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses the non-contact measurement apparatus and method of a kind of crossbeam amount of deflection, the platform of the present apparatus is set to three-legged support top, and level meter is set to platform, and scale is vertical at platform top surface, and laser range finder is set to platform.Three measuring device intervals are set to immediately below tested crossbeam first for this method and the platform of each measuring device is leveled by level meter；Middle part measuring device establishes virtual horizontal elevation reference line by laser range finder, and measures at a distance from tested crossbeam；Both ends measuring device passes through tape measure at a distance from horizontal elevation reference line respectively, while being measured at a distance from tested crossbeam respectively by laser range finder；Crossbeam is calculated according to above-mentioned measured data and disturbs angle value.Present apparatus structure is simple, easy to operate, is not limited by in-site measurement condition；This method is simple and easy, effectively improves measurement operating efficiency and measurement accuracy, grasps beam structure state in time, it is ensured that the normal reliable of equipment is run.
Description
Technical field
The present invention relates to the non-contact measurement apparatus and method of a kind of crossbeam amount of deflection.
Background technique
The crossbeams such as the mill construction beams of the industries such as metallurgy, shipbuilding, crane girder often generate deflection deformation under load action,
The mistake Large Deflection Deformation of crossbeam generates additional stress to steel construction, is unfavorable for the normal carrying of structure, the excessive of crossbeam of such as driving a vehicle
Deflection deformation leads to driving car slipping, gnaws rail, influences normal safe operation of driving a vehicle, the mistake Large Deflection Deformation of roofing crossbeam easily leads to room
The security risks such as convering system unstability.
For timely, correct grasp crossbeam deflection deformation situation, measuring to the amount of deflection of crossbeam is structure detection and mirror
An one of important detection content in fixed and industrial building structure condition managing.In crossbeam deflection deformation measurement process,
Since field operation regional space is narrow in workshop, dark is weak, and equipment component domain oscillation is larger, there are many surveys such as hot gas
The unfavorable conditions of amount is often unable to satisfy use and sets up what the measuring instruments such as level, total station measured crossbeam amount of deflection
Normal condition, and when using the apparatus measures crossbeam deflection deformation such as level, measurement efficiency is lower, and measuring technique require compared with
Height, measurement cost are also higher.
The conventional method of usual crossbeam deflection deformation is directly surveyed using level+head tower ruler or using total station
Amount, defect is that field operation regional space is narrow in workshop, and dark is weak, is also easy to produce measured deviation；Part absolute altitude is higher
Roofing crossbeam or crane crossbeam, when using the apparatus measures crossbeam deflection deformation such as level or total station, it is subject to conditions sometimes
It can not measure, and higher for the technical requirements of measurement, measurement expense is also higher；It is vibrated in workshop inner part equipment region
Larger (girder steel in such as transfer station technique steel construction), there are when the unfavorable conditions of many measurements such as hot gas, general measure instrument
It in can not normally setting in the area, levels, does not have and crossbeam amount of deflection is measured using measuring instruments such as erection levels
Normal condition.
Summary of the invention
Technical problem to be solved by the invention is to provide the non-contact measurement apparatus and method of a kind of crossbeam amount of deflection, originally
Apparatus structure is simple, easy to operate, is not limited by in-site measurement condition；This method is simple and easy, effectively improves measurement operation
Efficiency and measurement accuracy grasp beam structure state in time, it is ensured that the normal reliable of equipment is run.
In order to solve the above technical problems, the non-contact measurement apparatus of crossbeam amount of deflection of the present invention include three-legged support, platform,
Level meter, scale and laser range finder, the platform are set to the three-legged support top, and the level meter is set to the platform,
The scale is vertical at the platform top surface, and the laser range finder is set to the platform.
Further, the platform is set to the three-legged support top by screw rod and is put down by rotatable handle screw drive
Platform lifting.
Further, it is equipped between the platform and screw rod for platform leveling and self-locking universal joint.
A kind of contactless measurement of crossbeam amount of deflection includes the following steps:
Step 1: above three measuring device interval is set to immediately below tested crossbeam and is located at the both ends of tested crossbeam
And middle part, the platform of each measuring device are leveled by level meter；
Step 2: measuring device establishes virtual horizontal elevation reference line by laser range finder in the middle part of tested crossbeam, and survey
Measure measuring device and tested crossbeam distance D in the middle part of tested crossbeam；
Step 3: tested crossbeam both ends measuring device passes through tape measure and horizontal elevation reference line distance A, B respectively, simultaneously
It is measured respectively by laser range finder and tested crossbeam distance C, E；
Step 4: calculating crossbeam according to measured data disturbs angle value L,
Wherein: F is distance of the laser range finder center measuring point to laser range finder bottom surface.
Since the non-contact measurement apparatus and method of crossbeam amount of deflection of the present invention use above-mentioned technical proposal, i.e. the present apparatus includes
Three-legged support, platform, level meter, scale and laser range finder, platform are set to three-legged support top, and level meter is set to platform, mark
Ruler is vertical at platform top surface, and laser range finder is set to platform.Three measuring device intervals are set to tested cross first by this method
Immediately below beam and the platform of each measuring device is leveled by level meter；Middle part measuring device is established virtual by laser range finder
Horizontal elevation reference line, and measure at a distance from tested crossbeam；Both ends measuring device passes through tape measure and level respectively
The distance of height datum line, while being measured at a distance from tested crossbeam respectively by laser range finder；According to above-mentioned measured data
Crossbeam is calculated and disturbs angle value.Present apparatus structure is simple, easy to operate, is not limited by in-site measurement condition；This method is simple
It is easy, measurement operating efficiency and measurement accuracy are effectively improved, grasps beam structure state in time, it is ensured that the normal reliable of equipment is transported
Row.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and embodiments:
Fig. 1 is the non-contact measurement apparatus structural schematic diagram of crossbeam amount of deflection of the present invention；
Fig. 2 is the schematic diagram of measurement method of the present invention.
Specific embodiment
Embodiment as shown in Figure 1, the non-contact measurement apparatus of crossbeam amount of deflection of the present invention include three-legged support 1, platform 2,
Level meter 3, scale 4 and laser range finder 5, the platform 2 are set to 1 top of three-legged support, and the level meter 3 is set to described
Platform 2, the scale 4 are vertical at 2 top surface of platform, and the laser range finder 5 is set to the platform 2.
Preferably, the platform 2 is set to the three-legged support top by screw rod and is driven by 21 rotary screw of handle
Moving platform 2 is gone up and down.
Preferably, it is equipped between the platform 2 and screw rod for platform leveling and self-locking universal joint.
As shown in Fig. 2, a kind of contactless measurement of crossbeam amount of deflection includes the following steps:
Step 1: the interval of above three measuring device 10 is set to immediately below tested crossbeam 11 and is located at tested crossbeam 11
Both ends and middle part, the platform of each measuring device 10 passes through level meter and levels；
Step 2: measuring device establishes virtual horizontal elevation reference line 12 by laser range finder in the middle part of tested crossbeam, and
Measure measuring device and tested 11 distance D of crossbeam in the middle part of tested crossbeam；
Step 3: tested crossbeam both ends measuring device passes through tape measure and 12 distance A, B of horizontal elevation reference line respectively, together
When measured respectively by laser range finder and tested 11 distance C, E of crossbeam；
Step 4: calculating crossbeam according to measured data disturbs angle value L,
Wherein: F is distance of the laser range finder center measuring point to laser range finder bottom surface.
The present apparatus and method are particularly suitable in workshop that field operation regional space is narrow, and dark is weak, highly compared with Gao Heng
The online deflection metrology of beam is also applied for crossbeam near zone ground without the space for setting up level measurement, therefore this method is not
It is limited by in-site measurement site condition；Simultaneously suitable for the vibration of workshop inner part equipment region is larger, there are the particular fields such as hot gas
It closes, meets the requirement of in-site measurement；And it is particularly well suited to measure higher-height roofing crossbeam, roof purline, roof truss crossbeam
Measurement；Measurement operating efficiency is effectively improved, operation process generally only needs 3 people, and every crossbeam of measurement about needs 3~5 minutes, grasps
It is succinct convenient to make, and safety reduces in-site measurement personnel, measurement accuracy is improved, using this method measurement accuracy up to 3mm.
Claims (4)
1. a kind of non-contact measurement apparatus of crossbeam amount of deflection, it is characterised in that: the present apparatus includes three-legged support, platform, level
Instrument, scale and laser range finder, the platform are set to the three-legged support top, and the level meter is set to the platform, described
Scale is vertical at the platform top surface, and the laser range finder is set to the platform.
2. the non-contact measurement apparatus of crossbeam amount of deflection according to claim 1, it is characterised in that: the platform passes through spiral shell
Bar is set to the three-legged support top and is gone up and down by rotatable handle screw drive platform.
3. the non-contact measurement apparatus of crossbeam amount of deflection according to claim 1 or 2, it is characterised in that: the platform with
It is equipped between screw rod for platform leveling and self-locking universal joint.
4. a kind of contactless measurement of crossbeam amount of deflection, it is characterised in that this method includes the following steps:
Step 1: power 1 to 3 described in any item three measuring device intervals of power is set to tested crossbeam underface and respectively position
In the both ends and middle part of tested crossbeam, the platform of each measuring device is leveled by level meter；
Step 2: measuring device establishes virtual horizontal elevation reference line by laser range finder in the middle part of tested crossbeam, and survey
Measure measuring device and tested crossbeam distance D in the middle part of tested crossbeam；
Step 3: tested crossbeam both ends measuring device passes through tape measure and horizontal elevation reference line distance A, B respectively, simultaneously
It is measured respectively by laser range finder and tested crossbeam distance C, E；
Step 4: calculating crossbeam according to measured data disturbs angle value L,
Wherein: F is distance of the laser range finder center measuring point to laser range finder bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710566470.8A CN109253716A (en) | 2017-07-12 | 2017-07-12 | The non-contact measurement apparatus and method of crossbeam amount of deflection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710566470.8A CN109253716A (en) | 2017-07-12 | 2017-07-12 | The non-contact measurement apparatus and method of crossbeam amount of deflection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109253716A true CN109253716A (en) | 2019-01-22 |
Family
ID=65050865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710566470.8A Pending CN109253716A (en) | 2017-07-12 | 2017-07-12 | The non-contact measurement apparatus and method of crossbeam amount of deflection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109253716A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360927A (en) * | 2019-07-24 | 2019-10-22 | 西南交通大学 | One kind is grown up component amount of deflection rapid measurement device and measurement method |
| CN110389008A (en) * | 2019-07-23 | 2019-10-29 | 常州机电职业技术学院 | The method of amount of deflection under level meter ground survey bridging crane main beam |
| CN114252331A (en) * | 2021-11-19 | 2022-03-29 | 中国建筑第八工程局有限公司 | Method for measuring bending deflection of compression bar test |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5753808A (en) * | 1995-09-11 | 1998-05-19 | Quest Integrated, Inc. | Self-compensating rolling weight deflectometer |
| CN201318935Y (en) * | 2008-12-12 | 2009-09-30 | 李代会 | Laser arch measuring instrument |
| CN201607313U (en) * | 2009-12-15 | 2010-10-13 | 齐齐哈尔市特种设备检验研究所 | Laser deflection measurement instrument |
| CN101900541A (en) * | 2010-07-21 | 2010-12-01 | 中国航空工业集团公司西安飞机设计研究所 | Airplane external illuminating space angle-positioning combining equipment |
| CN201839396U (en) * | 2010-04-21 | 2011-05-18 | 黄剑锋 | Hand-operated sound box bracket capable of being lift up and down |
| CN201852565U (en) * | 2010-10-20 | 2011-06-01 | 北京起重运输机械设计研究院 | System for measuring downward deflection of crane girder |
| CN201983767U (en) * | 2011-01-24 | 2011-09-21 | 张雪轮 | Bridge deformation detecting system |
| CN103335640A (en) * | 2013-06-18 | 2013-10-02 | 中国电子科技集团公司第二十六研究所 | Automatic leveling and gyroscopic orientation sighting device |
| CN203274726U (en) * | 2013-06-18 | 2013-11-06 | 中国电子科技集团公司第二十六研究所 | Automatic leveling mechanism on gyro orientation sighting device |
| JP2014074685A (en) * | 2012-10-05 | 2014-04-24 | Sooki Co Ltd | Non-contact displacement measurement method of bridge |
| CN204165506U (en) * | 2014-09-29 | 2015-02-18 | 上海宝钢工业技术服务有限公司 | The portable type measuring instrument of girder steel deflection deformation |
| CN104634267A (en) * | 2015-01-09 | 2015-05-20 | 河南省特种设备安全检测研究院 | Camber measuring method of overhead and gantry crane and matched measuring device |
| CN105300304A (en) * | 2015-10-26 | 2016-02-03 | 长安大学 | Non-contact multipoint high-frequency dynamic bridge deflection detection method |
-
2017
- 2017-07-12 CN CN201710566470.8A patent/CN109253716A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5753808A (en) * | 1995-09-11 | 1998-05-19 | Quest Integrated, Inc. | Self-compensating rolling weight deflectometer |
| CN201318935Y (en) * | 2008-12-12 | 2009-09-30 | 李代会 | Laser arch measuring instrument |
| CN201607313U (en) * | 2009-12-15 | 2010-10-13 | 齐齐哈尔市特种设备检验研究所 | Laser deflection measurement instrument |
| CN201839396U (en) * | 2010-04-21 | 2011-05-18 | 黄剑锋 | Hand-operated sound box bracket capable of being lift up and down |
| CN101900541A (en) * | 2010-07-21 | 2010-12-01 | 中国航空工业集团公司西安飞机设计研究所 | Airplane external illuminating space angle-positioning combining equipment |
| CN201852565U (en) * | 2010-10-20 | 2011-06-01 | 北京起重运输机械设计研究院 | System for measuring downward deflection of crane girder |
| CN201983767U (en) * | 2011-01-24 | 2011-09-21 | 张雪轮 | Bridge deformation detecting system |
| JP2014074685A (en) * | 2012-10-05 | 2014-04-24 | Sooki Co Ltd | Non-contact displacement measurement method of bridge |
| CN103335640A (en) * | 2013-06-18 | 2013-10-02 | 中国电子科技集团公司第二十六研究所 | Automatic leveling and gyroscopic orientation sighting device |
| CN203274726U (en) * | 2013-06-18 | 2013-11-06 | 中国电子科技集团公司第二十六研究所 | Automatic leveling mechanism on gyro orientation sighting device |
| CN204165506U (en) * | 2014-09-29 | 2015-02-18 | 上海宝钢工业技术服务有限公司 | The portable type measuring instrument of girder steel deflection deformation |
| CN104634267A (en) * | 2015-01-09 | 2015-05-20 | 河南省特种设备安全检测研究院 | Camber measuring method of overhead and gantry crane and matched measuring device |
| CN105300304A (en) * | 2015-10-26 | 2016-02-03 | 长安大学 | Non-contact multipoint high-frequency dynamic bridge deflection detection method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110389008A (en) * | 2019-07-23 | 2019-10-29 | 常州机电职业技术学院 | The method of amount of deflection under level meter ground survey bridging crane main beam |
| CN110360927A (en) * | 2019-07-24 | 2019-10-22 | 西南交通大学 | One kind is grown up component amount of deflection rapid measurement device and measurement method |
| CN114252331A (en) * | 2021-11-19 | 2022-03-29 | 中国建筑第八工程局有限公司 | Method for measuring bending deflection of compression bar test |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10209066B2 (en) | Measuring the position of an installation platform in an elevator shaft using laser transmitters and light detectors | |
| CN104634267B (en) | A kind of overhead and gantry cranes camber measuring method | |
| CN106092036A (en) | A kind of formwork-support deformation remote real time monitoring system and method | |
| CN109253716A (en) | The non-contact measurement apparatus and method of crossbeam amount of deflection | |
| CN107416627A (en) | A kind of elevator T type guide rail multi-parameter detecting system and method | |
| CN203824548U (en) | Bridge structure concrete surface observation area measuring instrument | |
| CN105067207B (en) | Simply supported beam deflection test device and method | |
| JP2019052959A (en) | Method, device and program for inspecting state of columnar structure | |
| CN110500983A (en) | A kind of cage guide comprehensive parameters method of determination and evaluation and detection system | |
| US11506565B2 (en) | Four-dimensional crane rail measurement | |
| CN105910591B (en) | A kind of method and device detecting elevator verticality and headroom size | |
| RU2425328C1 (en) | Device to measure gantry rail span | |
| CN106223623A (en) | Steel construction box arched roof truss installation method | |
| CN102288149B (en) | Brake disc camber angle detection device and brake disc production line device | |
| CN105334014B (en) | A kind of adjustable suspension cable method for testing deflection of bridge span | |
| CN109443316B (en) | Iron tower inclination state monitoring method and system | |
| CN106066163B (en) | A kind of piler and the on-line monitoring method of stereo storage rack perpendicularity | |
| CN105423880B (en) | A kind of method for hanging main push-towing rope measurement deflection of bridge span | |
| CN205940443U (en) | Cover to reinforcement thickness tester improves device | |
| CN104390630A (en) | Method for measuring and estimating overall inclination of external floating-roof storage tank | |
| CN110962876A (en) | Novel limit measurement method for railway I-shaped steel pole tower | |
| CN210603265U (en) | Elevator guide rail comprehensive parameter detection system | |
| CN201301421Y (en) | Midline measuring-controlling instrument of railway open bridge floor | |
| Braun et al. | Comparison of different measurement methods of crane runway | |
| Kopáčik et al. | Setting-Out and Measurement of Cranes and Crane Runways |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190122 |
|
| RJ01 | Rejection of invention patent application after publication |