CN103196378A - Non-equidistant steel tube on-line accurate length measurement device of sensor and length measurement method - Google Patents
Non-equidistant steel tube on-line accurate length measurement device of sensor and length measurement method Download PDFInfo
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- CN103196378A CN103196378A CN2013101041305A CN201310104130A CN103196378A CN 103196378 A CN103196378 A CN 103196378A CN 2013101041305 A CN2013101041305 A CN 2013101041305A CN 201310104130 A CN201310104130 A CN 201310104130A CN 103196378 A CN103196378 A CN 103196378A
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Abstract
The invention discloses a non-equidistant steel tube on-line accurate length measurement device of a sensor. The non-equidistant steel tube on-line accurate length measurement device of the sensor comprises length measurement roller beds (1), length measurement boxes (3), a length measurement idler wheel (7), a length measurement rotary encoder (8), a programmable logic controller (PLC) and an upper computer (10). The device is characterized in that an interval L between adjacent length measurement photoelectric sensors is an arbitrary value, and the interval L meets at least an interval L of a length measurement photoelectric sensor moved on at least one length measurement roller bed, namely, the length of a steel tube can be accurately measured. The length measurement method comprises the following processing steps: installing, measuring, recording and calculating. The non-equidistant steel tube on-line accurate length measurement device of the sensor and the length measurement method solve the problems installation position and arrangement, installation accuracy, error correction and the like of the photoelectric sensor of steel tube on-line accurate length measurement and improves accuracy of steel tube on-line accurate measuring. Errors are corrected conveniently, the requirement of the steel tube on-line accurate length measurement is met, a good effect is obtained, and the device and the method have good promotional value.
Description
Technical field:
The present invention relates to steel pipe manufacturing industry automatic control technology field, be the on-line automatic accurate measuring motion of the not equidistant steel pipe of a kind of sensor specifically and survey rectangular method.
Background technology:
The existing automatic measuring motion of steel pipe is made up of measuring roller road, the long box of survey (interior dress is surveyed long photoelectric sensor), survey long wheel, survey long codes device, PLC, host computer etc.; except 0# surveys long photoelectric sensor and the long photoelectric sensor of 1# survey apart from being the L0; other are surveyed long photoelectric sensor and adopt equidistant installation; distance is L1; the logarithm of L0, L1 distance and the long photoelectric sensor of survey is determined according to field condition and steel pipe length range; survey long box and be used for protecting the long photoelectric sensor of survey not to be damaged, guaranteeing to survey long photoelectric sensor simultaneously has metastable installation site precision.
When surveying length, the measuring roller road drives steel pipe and surveys long photoelectric sensor motion to 0#, surveying long wheel and steel pipe rotates synchronously, begin step-by-step counting with the long rotary encoder of the survey coaxial survey that is connected of long wheel, the long photoelectric sensor of a pair of survey of the every process of steel pipe afterbody is just removed the current count value of surveying long rotary encoder, when steel pipe moves to the long photoelectric sensor of 0# survey, PLC notes all states of surveying long photoelectric sensor and surveys the count value of long rotary encoder, surveys long finishing; At this moment, the long photoelectric sensor logarithm of survey that is blocked by steel pipe except 0# surveys long photoelectric sensor is N, and the count value of surveying long rotary encoder is P, and the length value of each pulse correspondence is Lp, and then the length of steel pipe is: L=N*L1+ L0-P*Lp.
The subject matter that said apparatus exists: 1, except 0# surveys long photoelectric sensor, other are surveyed long photoelectric sensor mounting distance and require to equate, roller-way length, on-the-spot present situation are had relatively high expectations, when having traversing step device or other conveyers such as the steel pipe transmission roller channel, the disposed at equal distance difficulty of surveying long photoelectric sensor is bigger; 2, the equidistant installation of the long photoelectric sensor of survey is higher to the installation site accuracy requirement of surveying long photoelectric sensor, and the installation site precision of surveying long photoelectric sensor directly has influence on length measurement precision; 3, revising the long error of survey needs proofread and correct one by one the installation site of surveying long photoelectric sensor, very trouble.
Summary of the invention:
The objective of the invention is to overcome the deficiency of above-mentioned prior art, and provide the not equidistant steel pipe of a kind of sensor on-line automatic accurate measuring motion, mainly solve the long photoelectric sensor of existing survey scene and arrange that difficulty is big, installation accuracy requires problems such as height and error correction trouble.
Technical scheme of the present invention is: the on-line automatic accurate measuring motion of steel pipe that sensor is not equidistant, and it is made up of measuring roller road, the long box of survey, survey long wheel, the long rotary encoder of survey, Programmable Logic Controller PLC and host computer; Establish the traversing step device of steel pipe on the measuring roller road, place tested steel pipe on the measuring roller road; Survey the long photoelectric sensor of dress survey in the long box, survey long photoelectric sensor mounted in pairs, one side is the emission photoelectric sensor, a relative side is for receiving photoelectric sensor, all reception photoelectric sensors are connected with Programmable Logic Controller PLC by circuit, and Programmable Logic Controller PLC is connected with the host computer two-way communication; Survey long wheel and survey long rotary encoder is coaxial and be connected; Surveying long rotary encoder is connected with Programmable Logic Controller PLC by circuit; All parts are installed on the frame; Its special character is that the spacing L of the long photoelectric sensor of described adjacent survey is arbitrary value, and spacing L satisfies steel pipe, and a mobile long photoelectric sensor spacing L of survey can accurately measure steel pipe length in the measuring roller road at least.
Adopt the rectangular method of survey of the on-line automatic accurate measuring motion of steel pipe of the present invention, its special character is to comprise following processing step:
A installs, and installs according to the equipment layout situation and surveys long photoelectric sensor, after surveying long photoelectric sensor and installing, the actual pitch of photoelectric sensor is accurately measured, and the numerical value of measurement is imported host computer;
B surveys long, tested steel pipe is surveyed long photoelectric sensor motion to 0# under the measuring roller road drives, surveying long wheel and tested steel pipe rotates synchronously, just send pulse with the long rotary encoder of the survey coaxial survey that is connected of long wheel, the long photoelectric sensor of a pair of survey of the every process of tested steel pipe afterbody is just removed the current count value of surveying long rotary encoder;
The c record, when tested steel pipe moved to the long photoelectric sensor of 0# survey, Programmable Logic Controller PLC noted all states of surveying long photoelectric sensor and surveys the count value of long rotary encoder, surveys long finishing;
D calculates, suppose that the long photoelectric sensor of survey that this moment, tested steel pipe blocked is respectively 0#, 1#, 2#----M#, spacing is respectively L0, L1, L2----Lm, the count value of surveying long rotary encoder is P, the length value of each pulse correspondence is Lp, and then the length of tested steel pipe is: L=L0+L1+L2----+Lm-P*Lp.
The on-line automatic accurate measuring motion of steel pipe that sensor of the present invention is not equidistant and survey rectangular method and compared with the prior art have outstanding substantive distinguishing features and marked improvement, 1, surveys the on-the-spot layout of long photoelectric sensor simply, installation accuracy requires low, and error correction is easy; 2, utilize the measurement numerical value of surveying long photoelectric sensor spacing to survey long basic numerical value as steel pipe, importing host computer after the long error of correction survey only need remeasure the spacing of length measurement sensor gets final product, improve the on-line automatic length measurement precision of steel pipe and made things convenient for error correction, satisfied the on-line automatic accurate length measuring require of steel pipe, satisfactory for result.
Description of drawings:
Fig. 1 is structure connection diagram of the present invention.
The drawing explanation:
The traversing step device 3 of 1 measuring roller road, 2 steel pipes is surveyed long box 4 tested steel pipe 5 emission photoelectric sensors 6 and is received long rotary encoder 9 Programmable Logic Controller PLC 10 host computers of photoelectric sensor 7 survey long wheels, 8 surveys.
Embodiment:
Describe the present invention below in conjunction with accompanying drawing, illustrated embodiment only is used for explaining the present invention, is not for limiting scope of the present invention.
The 1 fixed installation steel pipe traversing step device 2 in the measuring roller road, and 1 place tested steel pipe 4 in the measuring roller road; Dress is surveyed long photoelectric sensor in surveying long box 3, survey long photoelectric sensor mounted in pairs, totally 19 pairs, one side is emission photoelectric sensor 5, a relative side is for receiving photoelectric sensor 6, and the spacing L of the long photoelectric sensor of adjacent survey satisfies steel pipe, and a mobile long photoelectric sensor spacing L of survey can accurately measure steel pipe length in the measuring roller road at least; All are received photoelectric sensor 6 be connected with Programmable Logic Controller PLC 9 by circuit, Programmable Logic Controller PLC 9 is connected by the circuit two-way communication with host computer 10; To survey long wheel 7 and survey long 8 coaxial connections of rotary encoder, and survey long rotary encoder 8 and be connected with Programmable Logic Controller PLC 9 by circuit; All parts are installed on the frame, form the on-line automatic accurate measuring motion of the not equidistant steel pipe of sensor of the present invention.
A installs, and installs according to the equipment layout situation and surveys long photoelectric sensor, after surveying long photoelectric sensor and installing, the actual pitch of surveying long photoelectric sensor is accurately measured, and the numerical value of measurement is imported host computer;
B surveys long, tested steel pipe is surveyed long photoelectric sensor motion to 0# under the measuring roller road drives, surveying long wheel and tested steel pipe rotates synchronously, just send pulse with the long rotary encoder of the survey coaxial survey that is connected of long wheel, the long photoelectric sensor of a pair of survey of the every process of tested steel pipe afterbody is just removed the current count value of surveying long rotary encoder;
The c record, when tested steel pipe moved to the long photoelectric sensor of 0# survey, Programmable Logic Controller PLC noted all states of surveying long photoelectric sensor and surveys the count value of long rotary encoder, surveys long finishing;
D calculates, suppose that the long photoelectric sensor of survey that this moment, tested steel pipe blocked is respectively 0#, 1#, 2#----M#, spacing is respectively L0, L1, L2----Lm, the count value of surveying long rotary encoder is P, the length value of each pulse correspondence is Lp, and then the length of tested steel pipe is: L=L0+L1+L2----+Lm-P*Lp.
The on-line automatic accurate measuring motion of steel pipe that sensor of the present invention is not equidistant and survey rectangular method has following characteristics:
1, the mounting arrangements of the long photoelectric sensor of all surveys is not subjected to field conditions (such as traversing step device or other devices) restriction, and the mounting distance of surveying long photoelectric sensor can equate also can not wait, and can partly equate can part not wait yet; At least can accurately measure steel pipe length in photoelectric sensor spacing of measuring roller road movement as long as satisfy steel pipe;
2, the position installation accuracy of surveying long photoelectric sensor there is not specific (special) requirements, after surveying long photoelectric sensor and installing, can accurately measure the actual pitch of surveying long photoelectric sensor, the numerical value input host computer of measuring get final product, survey is grown error and can be controlled fully at ± 2mm like this;
3, importing host computer after the long error of correction survey only need remeasure the spacing of surveying long photoelectric sensor gets final product; If scope scale steel pipe, last that revise to survey that long error also can be only blocked by steel pipe when surveying long finishing compensates and corrects surveying long photoelectric sensor distance values.
Claims (2)
1. the not equidistant on-line automatic accurate measuring motion of steel pipe of sensor, it by measuring roller road (1), survey long box (3), survey long wheel (7), survey long rotary encoder (8), Programmable Logic Controller PLC(9) and host computer (10) form; Establish the traversing step device of steel pipe (2) on the measuring roller road (1), measuring roller road (1) is gone up and is placed tested steel pipe (4); Survey the long photoelectric sensor of dress survey in the long box (3), survey long photoelectric sensor mounted in pairs, one side is emission photoelectric sensor (5), a relative side is for receiving photoelectric sensor (6), all receive photoelectric sensor (6) by circuit and Programmable Logic Controller PLC(9) be connected Programmable Logic Controller PLC(9) be connected with host computer (10) two-way communication; Survey long wheel (7) and survey coaxial connection of long rotary encoder (8); Survey long rotary encoder (8) by circuit and Programmable Logic Controller PLC(9) be connected; All parts are installed on the frame; The spacing L that it is characterized in that the long photoelectric sensor of described adjacent survey is arbitrary value, and spacing L satisfies steel pipe, and a mobile long photoelectric sensor spacing L of survey can accurately measure steel pipe length in the measuring roller road at least.
2. adopt the rectangular method of survey of the on-line automatic accurate measuring motion of steel pipe of claim 1, it is characterized in that comprising following processing step:
A installs, and installs according to the equipment layout situation and surveys long photoelectric sensor, after surveying long photoelectric sensor and installing, the actual pitch of photoelectric sensor is accurately measured, and the numerical value of measurement is imported host computer;
B surveys long, tested steel pipe is surveyed long photoelectric sensor motion to 0# under the measuring roller road drives, surveying long wheel and tested steel pipe rotates synchronously, just send pulse with the long rotary encoder of the survey coaxial survey that is connected of long wheel, the long photoelectric sensor of a pair of survey of the every process of tested steel pipe afterbody is just removed the current count value of surveying long rotary encoder;
The c record, when tested steel pipe moved to the long photoelectric sensor of 0# survey, Programmable Logic Controller PLC noted all states of surveying long photoelectric sensor and surveys the count value of long rotary encoder, surveys long finishing;
D calculates, suppose that the long photoelectric sensor of survey that this moment, tested steel pipe blocked is respectively 0#, 1#, 2#----M#, spacing is respectively L0, L1, L2----Lm, the count value of surveying long rotary encoder is P, the length value of each pulse correspondence is Lp, and then the length of tested steel pipe is: L=L0+L1+L2----+Lm-P*Lp.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310104130.5A CN103196378B (en) | 2013-03-28 | 2013-03-28 | The on-line automatic accurate measuring motion of steel pipe of sensor Unequal distance and survey rectangular method |
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| CN201310104130.5A CN103196378B (en) | 2013-03-28 | 2013-03-28 | The on-line automatic accurate measuring motion of steel pipe of sensor Unequal distance and survey rectangular method |
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| CN103196378A true CN103196378A (en) | 2013-07-10 |
| CN103196378B CN103196378B (en) | 2016-06-22 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106077799A (en) * | 2016-05-31 | 2016-11-09 | 浙江明贺钢管有限公司 | The correlation electrooptical device of steel pipe length measuring system device |
| CN106141295A (en) * | 2016-05-31 | 2016-11-23 | 浙江明贺钢管有限公司 | Steel pipe length measuring system device |
| CN107741268A (en) * | 2017-08-29 | 2018-02-27 | 烟台鲁宝钢管有限责任公司 | A kind of split type roller-way applied to steel pipe online weighing claims |
| CN109696128A (en) * | 2018-12-17 | 2019-04-30 | 烟台鲁宝钢管有限责任公司 | A kind of modification method for improving steel pipe and surveying long stability |
| CN113426686A (en) * | 2021-06-23 | 2021-09-24 | 中船重工海为郑州高科技有限公司 | Rod piece length measuring device, rod piece conveying line and rod piece length measuring method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106077799A (en) * | 2016-05-31 | 2016-11-09 | 浙江明贺钢管有限公司 | The correlation electrooptical device of steel pipe length measuring system device |
| CN106141295A (en) * | 2016-05-31 | 2016-11-23 | 浙江明贺钢管有限公司 | Steel pipe length measuring system device |
| CN107741268A (en) * | 2017-08-29 | 2018-02-27 | 烟台鲁宝钢管有限责任公司 | A kind of split type roller-way applied to steel pipe online weighing claims |
| CN109696128A (en) * | 2018-12-17 | 2019-04-30 | 烟台鲁宝钢管有限责任公司 | A kind of modification method for improving steel pipe and surveying long stability |
| CN109696128B (en) * | 2018-12-17 | 2020-07-10 | 烟台鲁宝钢管有限责任公司 | Correction method for improving steel pipe length measurement stability |
| CN113426686A (en) * | 2021-06-23 | 2021-09-24 | 中船重工海为郑州高科技有限公司 | Rod piece length measuring device, rod piece conveying line and rod piece length measuring method |
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| Publication number | Publication date |
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| CN103196378B (en) | 2016-06-22 |
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