CN104296666A - Crane displacement automatic measuring gauge based on simulation - Google Patents
Crane displacement automatic measuring gauge based on simulation Download PDFInfo
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- CN104296666A CN104296666A CN201410603048.1A CN201410603048A CN104296666A CN 104296666 A CN104296666 A CN 104296666A CN 201410603048 A CN201410603048 A CN 201410603048A CN 104296666 A CN104296666 A CN 104296666A
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Abstract
The invention discloses a crane displacement automatic measuring gauge based on simulation and a measuring method. The automatic measuring gauge comprises a measurement platform (1), an image acquisition sensor (2), three movable and mutually orthogonal shafts (3), a shaft displacement measurement sensor (4), a shaft control device (5), transmission passages (6 and 7) and a computer. The three movable and mutually orthogonal shafts (3) are arranged on the measurement platform (1) in an X-axis direction, a Y-axis direction and a Z-axis direction respectively, and the image acquisition sensor (2) is installed on the axis end of the Y-axis. The measuring gauge can remain a datum point unchanged in a space position near a crane displacement measuring point, can achieve high-accuracy automatic measurement on crane displacement by combining an automated displacement measuring device, and is compact.
Description
Technical field
The invention belongs to counterweight test field, be specifically related to a kind of crane displacement automatic measuring instrument based on bionic principle.
Background technology
One of crane structure performance, safe important indicator are evaluated in crane structure load deflection.Because crane structure space is large, hang and get the space that article process is often attended by structure and move, crane displacement measurement point is usually away from fixed bottom boundary, the benchmark lacking position fixing near crane displacement measurement position is displacement measurement reference, therefore existing crane displacement measurement method is mainly the manual measurement method of indirect inspection, as drawn steel wire method, transit method etc., work on the spot circumstance complication disturbing factor many and be difficult to control, crane structure displacement order of magnitude compared with structure space size differs greatly, factors makes crane displacement measurement process there is measurement principle error and personal error impact, measurement links not compact intermediate link interference uncertain factor is many, measurement result is often not as people's will, seriously constrain the further contribution function of test result to experimental study.
Along with the development of crane maximization, heavy loading, at crane detection field in the urgent need to a kind of instrument and equipment can testing crane displacement high precision, automatic measurement.
When the health of the birds such as occurring in nature chicken moves in certain scope, can by adjustment head and the relative position of health, make constant relative to maintenance locus, ground of head.Scientist is found by experimental study, and this phenomenon is that chicken keeps constant to space scene soon, and by mobile neck, move with the space of offsetting health, the determination realizing head space position is motionless.Based on this biological principle, engineering staff is in the fields such as camera stabilization, sedan suspension successful Application and obtain good effect.
Summary of the invention
The problems referred to above that the present invention exists to solve existing crane displacement measurement, provide a kind of crane displacement high-precision automatic measuring instrument based on bionic principle.
The invention discloses a kind of based on bionical crane displacement automatic measuring instrument, comprise measuring table, image acquiring sensor, three removable mutually orthogonal axles, axial translation survey sensor, axle control device, transmission channel and computing machines, three removable mutually orthogonal axles are disposed axially on measuring table along X, Y, Z tri-respectively, install image acquiring sensor at the axle head of Y-axis.
Wherein, image acquiring sensor processes for gathering spatial image information and transferring to computing machine, three axle control device control the movement of three removable mutually orthogonal axles, realize immobilizing, for displacement measurement provides benchmark of locus in image acquiring sensor certain limit.
Wherein, each axle is provided with displacement measurement sensor, and for gathering the every displacement signal in space, three axle control device to be connected with computing machine by control data transmission passage and to realize three axial translation actuating quantities and control.
Wherein, test data transmission channel test transmission information, realizes the connection of computing machine and displacement transducer; Control signal transmission channel control information transmission, realizes computing machine and is connected with control device; The software and hardware support that computing machine provides the control of image information calculation process, measuring instrument relevant action and the process of displacement measurement data to calculate.
The invention also discloses and adopt above-mentioned method of carrying out measuring based on bionical crane displacement automatic measuring instrument, comprise the steps:
1) measuring instrument is installed on crane displacement measurement position, assurance device is reliable and stable;
2) start measuring instrument under idle condition, each several part normally works, and under gathering this operating mode, ambient image information is as graphic based, demarcates now displacement 0 point;
3) crane loads, and automatically completes test, transmission measurement result, display shift value.
Wherein, in step 3), crane loads, and imageing sensor gathers image change, compare with idle condition hypograph information, by controlling each axle motion adjustment image acquiring sensor position, till the image of imageing sensor collection is consistent with idle condition hypograph, the displacement of three mutually orthogonal axles is exactly the space displacement value of crane, whole test process completes under the control of the computer automatically, automatically complete test, and realize the transmission of measurement result, display shift value.
Adopt measuring instrument of the present invention can keep motionless benchmark in locus near crane displacement measurement point, the high-precision automatic that can realize crane displacement in conjunction with robotization displacement measuring device is measured, and surveying instrument is compact.
Accompanying drawing explanation
Fig. 1 is the structure composition diagram of displacement automatic measuring instrument of the present invention;
Fig. 2 is that displacement automatic measuring instrument of the present invention is based on bionical fixed reference control algolithm process flow diagram;
Fig. 3 is the riding position figure of displacement automatic measuring instrument of the present invention on overhead and gantry cranes;
Fig. 4 is the riding position figure of displacement automatic measuring instrument of the present invention on cantilever crane.
Embodiment
Below in conjunction with accompanying drawing, the present invention is specifically described.
Of the present inventionly to comprise based on bionical crane displacement automatic measuring instrument: measuring table 1, three image acquiring sensor 2, three removable mutually orthogonal axle 3, three axial translation survey sensors 4, three axle control device 5, test data transmission channel 6, control data transmission passage 7 and computing machines.
Measuring table 1 provides arrangement platform for automatic measuring instrument each several part device, and on crane displacement measurement position, the installation of measuring instrument is placed, and is of portable form.
Three removable mutually orthogonal axles 3 are disposed axially on measuring table 1 along X, Y, Z tri-respectively, image acquiring sensor 2 is fixed on the axle head of Y-axis (i.e. vertical axes), its motion is driven by mutually orthogonal axle 3, can realize the optional position of image acquiring sensor 2 in the certain limit of space and move.Image acquiring sensor 2 is for gathering spatial image information and transferring to computer disposal, obtain the control signal of control three axle control device 5, by controlling the movement of three removable mutually orthogonal axles 3, immobilizing, for displacement measurement provides benchmark of locus in image acquiring sensor 2 certain limit can be realized.
Each axle is provided with displacement measurement sensor 4, and for gathering the every displacement signal in space, three axle control device 5 to be connected with computing machine by control data transmission passage and to realize three axial translation actuating quantities and control.Wherein test data transmission channel 6 test transmission information, realizes the connection of computing machine and displacement transducer; Control signal transmission channel 7 control information transmission, realizes computing machine and is connected with control device.The software and hardware support that computing machine 8 provides the control of image information calculation process, automatic measuring instrument relevant action and the process of displacement measurement data to calculate.
Crane displacement automatic measuring instrument of the present invention with computing machine (imitate chicken realize information computing) for core, measuring table 1(imitates the health of chicken) on the neck that three mutually orthogonal axle 3(of space imitate chickens is housed), wherein the eyes that mobile image pick-up transducers 2(imitates chicken are equipped with on vertical axes top).This device is arranged at crane displacement measurement point place by measuring table 1, crane loads and displacement structure occurs, the measuring table 1 fixed with it is together subjected to displacement with crane structure and the retention time, space consistent, on measuring table 1, three orthogonal axes 3 movement can make any movement of image acquiring sensor in the certain limit of space separately; Make image acquiring sensor 2 before and after loading and in loading procedure, gather image with the action that computing machine 8 controls three orthogonal axes 3 to keep immobilizing, namely imageing sensor locus immobilizes, and this fixed position is near crane displacement measurement point and provides the fixing measuring basis in a locus; Computing machine 8 controls the action control amount of three orthogonal axes 3 by calculating the relative spatial displacement amount that can obtain between crane loading fore-and-aft survey platform and the fixed image acquiring sensor in position, is crane and loads front and back displacement structure amount; As needed higher displacement measurement precision, displacement transducer can be installed additional on three orthogonal axes 3; This measuring instrument can be crane and loads and move forward and backward near test point and provide a changeless benchmark in locus, and by computer disposal, displacement measurement amount can realize that robotization is read, process and display.
When measuring:
1) measuring instrument is installed on crane displacement measurement position, assurance device is reliable and stable;
2) start measuring instrument under idle condition, each several part normally works, and under gathering this operating mode, ambient image information is as graphic based, demarcates now displacement 0 point;
3) crane loads, imageing sensor gathers image change, compare with idle condition hypograph information, by controlling each axle motion adjustment image acquiring sensor position, till the image of imageing sensor collection is consistent with idle condition hypograph, the displacement of three mutually orthogonal axles is exactly the space displacement value of crane, whole test process completes under the control of the computer automatically, automatically complete test, and realize the transmission of measurement result, display shift value.
Claims (6)
1. one kind based on bionical crane displacement automatic measuring instrument, it is characterized in that, comprise measuring table (1), image acquiring sensor (2), three removable mutually orthogonal axles (3), axial translation survey sensor (4), axle control device (5), transmission channel (6,7) and computing machines (8), three removable mutually orthogonal axles (3) are disposed axially on measuring table (1) along X, Y, Z tri-respectively, install image acquiring sensor (2) at the axle head of Y-axis.
2. automatic measuring instrument according to claim 1, it is characterized in that: image acquiring sensor (2) processes for gathering spatial image information and transferring to computing machine, three axle control device (5) control the movement of three removable mutually orthogonal axles (3), realize immobilizing, for displacement measurement provides benchmark of locus in image acquiring sensor (2) certain limit.
3. automatic measuring instrument according to claim 1 and 2, it is characterized in that: each axle is provided with displacement measurement sensor (4), for gathering the every displacement signal in space, three axle control device (5) to be connected with computing machine (8) by control data transmission passage (6) and to realize three axial translation actuating quantities and control.
4. the automatic measuring instrument according to any one of claim 1-3, is characterized in that: test data transmission channel (6) test transmission information, realizes the connection of computing machine and displacement transducer (4); Control signal transmission channel (7) control information transmission, realizes computing machine (8) and is connected with control device (5); The software and hardware support that computing machine (8) provides the control of image information calculation process, measuring instrument relevant action and the process of displacement measurement data to calculate.
5. adopt method of carrying out measuring based on bionical crane displacement automatic measuring instrument according to claim 1, it is characterized in that comprising the steps:
1) measuring instrument is installed on crane displacement measurement position, assurance device is reliable and stable;
2) start measuring instrument under idle condition, each several part normally works, and under gathering this operating mode, ambient image information is as graphic based, demarcates now displacement 0 point;
3) crane loads, and automatically completes test, transmission measurement result, display shift value.
6. method according to claim 5, it is characterized in that: in step 3), crane loads, imageing sensor gathers image change, compare with idle condition hypograph information, by controlling each axle motion adjustment image acquiring sensor position, till the image of imageing sensor collection is consistent with idle condition hypograph, the displacement of three mutually orthogonal axles is exactly the space displacement value of crane, whole test process completes under the control of the computer automatically, automatically complete test, and realize the transmission of measurement result, display shift value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410603048.1A CN104296666B (en) | 2014-10-31 | 2014-10-31 | A kind of based on bionical displacement automatic measuring instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410603048.1A CN104296666B (en) | 2014-10-31 | 2014-10-31 | A kind of based on bionical displacement automatic measuring instrument |
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| CN104296666A true CN104296666A (en) | 2015-01-21 |
| CN104296666B CN104296666B (en) | 2017-03-01 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000213913A (en) * | 1999-01-25 | 2000-08-04 | Canon Inc | Noncontact three-dimensional displacement measuring device |
| JP2001116525A (en) * | 1999-10-19 | 2001-04-27 | Sumitomo Wiring Syst Ltd | Instrument and method for measuring three-dimensional shape |
| CN101216290A (en) * | 2007-12-28 | 2008-07-09 | 上海微电子装备有限公司 | High precision six-axis laser measurement device and measurement method |
| CN201653373U (en) * | 2010-03-29 | 2010-11-24 | 重庆建设工业(集团)有限责任公司 | Triaxial non-contact image measuring system |
-
2014
- 2014-10-31 CN CN201410603048.1A patent/CN104296666B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000213913A (en) * | 1999-01-25 | 2000-08-04 | Canon Inc | Noncontact three-dimensional displacement measuring device |
| JP2001116525A (en) * | 1999-10-19 | 2001-04-27 | Sumitomo Wiring Syst Ltd | Instrument and method for measuring three-dimensional shape |
| CN101216290A (en) * | 2007-12-28 | 2008-07-09 | 上海微电子装备有限公司 | High precision six-axis laser measurement device and measurement method |
| CN201653373U (en) * | 2010-03-29 | 2010-11-24 | 重庆建设工业(集团)有限责任公司 | Triaxial non-contact image measuring system |
Non-Patent Citations (1)
| Title |
|---|
| 于兰峰等: "塔式起重机静态刚度现状与分析", 《起重运输机械》 * |
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Inventor after: Yang Ruigang Inventor after: Niu Weijing Inventor after: Xu Gening Inventor after: Duan Zhibin Inventor after: Wang Lei Inventor before: Yang Ruigang Inventor before: Xu Gening Inventor before: Duan Zhibin Inventor before: Wang Lei |
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Granted publication date: 20170301 Termination date: 20171031 |