CN1260545C - Rotary kiln riding wheel axle laser projection calibrating kiln method and riding wheel axle laser projector - Google Patents

Rotary kiln riding wheel axle laser projection calibrating kiln method and riding wheel axle laser projector Download PDF

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CN1260545C
CN1260545C CN 200410061149 CN200410061149A CN1260545C CN 1260545 C CN1260545 C CN 1260545C CN 200410061149 CN200410061149 CN 200410061149 CN 200410061149 A CN200410061149 A CN 200410061149A CN 1260545 C CN1260545 C CN 1260545C
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laser
supporting
support roller
kiln
roller shaft
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CN1609551A (en
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张云
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Wuhan University of Technology WUT
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Wuhan University of Technology WUT
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Abstract

The present invention discloses a method for calibrating kilns by the laser projection of rotary kiln riding wheel shafts, and a special riding wheel shaft laser projector designed for implementing the method. The method uses a laser collimator, the riding wheel shaft laser projector, a sliding scale, a level gauge, etc. to firstly measure the spatial position parameters of one side of the shaft centers of two riding wheel shafts; then, the spatial position parameters of the other side of the shaft centers of the two riding wheel shafts are measured; the operation process is orderly repeated in the rest grades of riding wheels to measure the spatial position parameters of all grades of riding wheels; finally, all of the measured parameters are input into a microcomputer, and then, the deflection of an actual axial line of a kiln barrel body relative to a collimation axial line can be automatically figured out according to setting programs thereby adjusting the kiln axial line. The measurer of the present invention is simple and has the advantages of convenient operation, no need of professionals, high measurement precision and short measurement time. The measurement error of the center point of the kiln barrel body is smaller than or equal to 1.5mm. The manufacturing cost of the laser projector is very cheap, and therefore, the laser projector is easy to popularize and apply.

Description

The method and the supporting-roller shaft laser projecting apparatus of supporting roller of rotary kiln axle laser projections calibration kiln
Technical field
The present invention relates to the measuring method of rotary kiln axis and used instrument, refer to a kind of method and supporting-roller shaft laser projecting apparatus of supporting roller of rotary kiln axle laser projections calibration kiln particularly.
Background technology
Rotary kiln is the important calcination equipment of industry such as cement, coloured and iron and steel industry, chemical industry, the skew of its support roller position can cause the kiln mechanical fault, shorten the life-span of kiln lining, reduce the production running rate of kiln, so need often the support roller position of rotary kiln to be measured, so that in time calibrate rotary kiln axis.
Granted publication number discloses a kind of method and instrument of laser determination rotary kiln idler in kiln calibration for the Chinese invention patent instructions of CN 1093631C.This method adopts the laser right angle spectroscope and the right angle refractometer of special development, they are cooperatively interacted penetrate the two bundle laser rays that are parallel to each other respectively at same surface level, and aim at the left and right two support roller axle center that are contained in support roller jacket inside respectively, measure the horizontal centre distance in two support roller axle center, the distance etc. of hanging down.Because this method needs the professional to operate the laser surveying instrument of special development, so its measuring process is comparatively complicated, has applied certain degree of difficulty.
Summary of the invention
Purpose of the present invention is exactly the deficiency that will solve existing measuring method, and a kind of method and supporting-roller shaft laser projecting apparatus of supporting roller of rotary kiln axle laser projections calibration kiln is provided.Adopt this method and specialized apparatus thereof, obviously simplified measurement instrumentation and testing process, improve efficiency of measurement, and can greatly reduce the manufacturing cost of surveying instrument.
For achieving the above object, the method for the supporting roller of rotary kiln axle laser projections calibration kiln that the present invention is designed may further comprise the steps:
1) penetrates a branch of laser-based directrix parallel in rotary kiln one side with fixing laser collimator, the vertical plane at this laser-based directrix place is made as vertical plane Q with the kiln body axis;
2) open support roller shell end cap, two supporting-roller shaft laser projecting apparatuss are installed on two supporting-roller shaft axle center L, the R of homonymy, and on the support roller shell end cap plane vertical, transparent sheet is installed with two supporting-roller shaft axle center L, R, make the laser rays of supporting-roller shaft laser projecting apparatus two support roller axle center L, R of support roller jacket inside, project separately transparent sheet along its axis on;
3) near support roller shell end cap, level is pulled out steel tape or is adopted other dimensional measuring instruments, measures the horizontal centre distance of two laser projections points on the transparent sheet, i.e. the horizontal centre distance F of two supporting-roller shaft axle center L, R;
4) near support roller shell end cap, a slide sign chi is upright perpendicular to vertical plane Q level frame, utilize on the laser-based directrix of optical target in vertical plane Q of slide sign chi and stop laser-based G on schedule;
5) slide rule on the mobile slide sign chi stops the laser projections point of a nearer supporting-roller shaft axle center L, from the slide sign chi read vertical plane Q to the level of the laser projections point of this supporting-roller shaft axle center L apart from K l
6) adopt spirit-leveling instrument to measure laser-based laser projections point vertical of G and two supporting-roller shaft axle center L, R on schedule apart from H l, H rAnd their difference DELTA C, its mathematical relation is: H l=H r+ Δ C;
7) above-mentioned two supporting-roller shaft laser projecting apparatuss, transparent sheet, slide sign chi are moved to the opposite side of above-mentioned two tested support rollers, adopt and above-mentioned steps 2) to the identical mode of step 6), measure the corresponding parameter F of two tested support roller opposite sides ', K l', H l', H r', Δ C ';
8) repeat above-mentioned steps 2 at the support roller place that respectively keeps off of rotary kiln successively) to the operation of step 7), measure the corresponding parameter F of each grade support roller both sides i, K Li, H Li, H Ri, Δ C iAnd F i', K Li', H Li', H Ri', Δ C i';
9) with above-mentioned measurement data input microcomputer, follow procedure is calculated point coordinate X in the cylinder of rotary kiln of locating each grade support roller midsection automatically i, Y i, Z iAnd the actual axis of kiln cylinder body is with respect to the level and the vertical missing Δ Y of collimation axis i, Δ Z i, and the left and right support roller bearing angle O of each grade support roller Li, O RiThereby, calculate the precise information and the direction of each grade support roller level or vertical moving and print result and figure automatically;
Wherein: cylinder of rotary kiln calculates by following formula at mid point horizontal stroke, ordinate Y, the Z at X place, support roller midsection:
The kiln cylinder body horizontal ordinate: Y = 1 2 ( K l + K l ′ + A l + A l ′ ) ;
In the formula, A l, A l' be the horizontal range of wheel band center to left support roller axle center;
In the formula, B l = 1 2 ( D + D l ) ; B r = 1 2 ( D + D r ) ;
D is that wheel is with hot diameter, D lBe the hot diameter of left support roller, Dr is the hot diameter of right support roller, and they are known quantities, and available dynamic measuring apparatus of diameter is measured;
The kiln cylinder body ordinate: Z = B l · cos 0 l - 1 2 ( H l + H l ′ + Φ ) ;
In the formula, Φ is that wheel is with hot consecutive mean gap, is known quantity, and available dynamic wheel band gap instrument is measured;
Left side support roller bearing angle: O l=arcsin[(A l+ A l')/2B l];
Right support roller bearing angle: O r=arcsin[(F-A l+ F '-A l')/2B r].
For realizing the custom-designed supporting-roller shaft laser projecting apparatus of method of above-mentioned supporting roller of rotary kiln axle laser projections calibration kiln, include a generating laser, described generating laser is a semiconductor laser, and it is arranged in the cylindrical shell seat, and its optical axis is vertical with the bottom surface of cylindrical shell seat; The barrel of described cylindrical shell seat is provided with the adjustment screw that the optical axis of regulating described semiconductor laser transmitter overlaps with the axial line of cylindrical shell seat; The bottom surface of described cylindrical shell seat is provided with and makes whole supporting-roller shaft laser projecting apparatus be adsorbed on magnetic cylinder on the supporting-roller shaft end face.
Because the present invention adopts custom-designed supporting-roller shaft laser projecting apparatus to project in the supporting-roller shaft axle center of support roller jacket inside on the transparent sheet of support roller shell end cap, with steel tape or other dimensional measuring instruments, the horizontal centre distance F in two supporting-roller shaft axle center can be measured easily, the vertical distance of 2 supporting-roller shaft axle center laser projections points can be measured with spirit-leveling instrument easily.Thereby needn't be described for the Chinese invention patent instructions of CN 1093631C as Granted publication number: " must use laser right angle spectroscope and the right angle refractometer developed specially to cooperatively interact; to penetrate parallel two respectively at same surface level and restraint laser rays, and in alignment with left and right two supporting-roller shaft axle center ".So the invention has the advantages that: the surveying instrument that is adopted is more simple, and measuring operation is more convenient, measures significantly shortening consuming time, and measuring accuracy further improves.Its measuring error≤± 0.5 millimeter, error≤± 1.5 at measuring and calculating kiln cylinder body center millimeter.And its used surveying instrument is with low cost, need not the professional operate, and is convenient to popularization and application.
Description of drawings
Fig. 1 is method of the present invention is measured the supporting-roller shaft shaft core position at the rotary kiln xsect a synoptic diagram;
Fig. 2 is the synoptic diagram of method of the present invention at rotary kiln level measurement supporting-roller shaft shaft core position;
Fig. 3 is the main TV structure synoptic diagram of the custom-designed supporting-roller shaft laser projecting apparatus of the present invention;
Fig. 4 is the right TV structure synoptic diagram of Fig. 3.
Embodiment
Be described in further detail below in conjunction with the method and the supporting-roller shaft laser projecting apparatus of the drawings and specific embodiments supporting roller of rotary kiln axle laser projections calibration kiln of the present invention:
With reference to accompanying drawing, the surveying instrument that the inventive method adopted mainly comprises: laser collimator 5, two custom-designed supporting-roller shaft laser projecting apparatuss 20, slide sign chi 35, steel tape, dynamically measuring apparatus of diameter, the dynamic wheel band gap instrument that wheel is measured with 1 gap Φ and the microcomputer of tape program.Wherein: laser collimator 5, steel tape are existing all purpose instrument and instrument; Slide sign chi 35, dynamically measuring apparatus of diameter, dynamically take turns the band gap instrument and be existing instrumentation; Program in the microcomputer, those of ordinary skills can work out out easily according to the computing formula in the foregoing invention content.
Custom-designed supporting-roller shaft laser projecting apparatus 20 has semiconductor generating laser 11, and semiconductor laser transmitter 11 is arranged in the cylindrical shell seat 12, and its optical axis is vertical with the bottom surface of cylindrical shell seat 12.The barrel of cylindrical shell seat 12 is provided with two groups and adjusts screw 13, adjust screw 13 for two groups and be evenly arranged in the two-layer Different Diameter of cylindrical shell seat 12 on the barrel at place, sectional position, every group of quantity of adjusting screw 13 is three pieces, can realize easily that by adjusting screw 13 optical axis of semiconductor laser transmitter 11 overlaps with the axial line of cylindrical shell seat 12.Embedding on the bottom surface of cylindrical shell seat 12 has three magnetic cylinders 14, and magnetic cylinder 14 is the cylinder bodily form, is evenly distributed on the bottom surface of cylindrical shell seat 12, by magnetic cylinder 14 whole supporting-roller shaft laser projecting apparatus 20 firmly is adsorbed on the end face of supporting-roller shaft.
The method of calibration kiln in the present embodiment may further comprise the steps:
1) penetrate beam of laser datum line 6 in rotary kiln one side with fixing laser collimator 5, this laser-based directrix 6 can determine the vertical plane at its place, and this vertical plane is made as vertical plane Q, and adjusts the axis parallel of this vertical plane Q and rotary kiln body 3.
2) open the shell end cap of two support rollers 4,2, two supporting-roller shaft laser projecting apparatuss 20 are adsorbed onto on two supporting-roller shaft axle center L, the R of homonymy, and on the support roller shell end cap plane vertical, transparent sheet is installed with two supporting-roller shaft axle center L, R, the laser rays that makes supporting-roller shaft laser projecting apparatus 20 is two supporting-roller shaft axle center L, R, project separately transparent sheet along its axis on.
3) near support roller shell end cap, flatly pull out steel tape, measure the horizontal centre distance of two laser projections points on the transparent sheet, be i.e. the horizontal centre distance F of two supporting-roller shaft axle center L, R.
4) near support roller shell end cap, a slide sign chi 35 is upright perpendicular to vertical plane Q level frame, erect two slits 40 of its optical target 38 earlier, make laser-based directrix 6 pass two slits 40, then the scale of slide sign chi 35 is perpendicular to vertical plane Q, the rod reading precision is 0.1 millimeter, vertical angle error≤0.5 millimeter; 2 slits 40 that fell again uprightly play the photovoltaic array device 39 of optical target 38, stop laser-based G on schedule on the laser-based directrix 6 in vertical plane Q.
5) slide rule 36 on the mobile slide sign chi 35 stops the laser projections point of left supporting-roller shaft axle center L, from slide sign chi 35 read vertical plane Q to the level of the laser projections point of this supporting-roller shaft axle center L apart from K l
6) adopt spirit-leveling instrument to measure laser-based laser projections point vertical of G and two supporting-roller shaft axle center L, R on schedule apart from H l, H rAnd their difference DELTA C, its mathematical relation is: H l=H r+ Δ C.
7) above-mentioned two supporting-roller shaft laser projecting apparatuss 20, transparent sheet, slide sign chi 35 are moved to the opposite side of above-mentioned two tested support rollers 2,4, adopt and above-mentioned steps 2) to the identical mode of step 6), measure the corresponding parameter F of two tested support roller 2,4 opposite sides ', K l', H l', H r', Δ C '.
8) repeat above-mentioned steps 2 at the support roller place that respectively keeps off of rotary kiln successively) to the operation of step 7), measure the corresponding parameter F of each grade support roller both sides i, K Li, H Li, H Ri, Δ C iAnd F i', K Li', H Li', H Ri', Δ C i'.
9) with above-mentioned measurement data input microcomputer, the program in the microcomputer will be calculated point coordinate X in the kiln cylinder body of locating each grade support roller midsection automatically by the computing formula of setting i, Y i, Z iAnd the actual axis of kiln cylinder body is with respect to the level and the vertical missing Δ Y of collimation axis i, Δ Z i, and the left and right support roller bearing angle O of each grade support roller Li, O RiThereby, calculate the precise information and the direction of each grade support roller level or vertical moving automatically, and print result and figure.
In view of the above, engineering technical personnel can make things convenient in time the kiln axis of rotary kiln is adjusted, calibrated.

Claims (3)

1. the method for supporting roller of rotary kiln axle laser projections calibration kiln may further comprise the steps:
1) penetrates a branch of laser-based directrix parallel in rotary kiln one side with fixing laser collimator, the vertical plane at this laser-based directrix place is made as vertical plane Q with the kiln body axis;
2) open support roller shell end cap, two supporting-roller shaft laser projecting apparatuss are installed on two supporting-roller shaft axle center L, the R of homonymy, and on the support roller shell end cap plane vertical, transparent sheet is installed with two supporting-roller shaft axle center L, R, on the laser rays that makes the supporting-roller shaft laser projecting apparatus projects separately transparent sheet to two support roller axle center L, R along its axis;
3) near support roller shell end cap, level is pulled out steel tape or is adopted other dimensional measuring instruments, measures the horizontal centre distance of two laser projections points on the transparent sheet, i.e. the horizontal centre distance F of two supporting-roller shaft axle center L, R;
4) near support roller shell end cap, a slide sign chi is upright perpendicular to vertical plane Q level frame, utilize on the laser-based directrix of optical target in vertical plane Q of slide sign chi and stop laser-based G on schedule;
5) slide rule on the mobile slide sign chi stops the laser projections point of a nearer supporting-roller shaft axle center L, from the slide sign chi read vertical plane Q to the level of the laser projections point of this supporting-roller shaft axle center L apart from K 1
6) adopt spirit-leveling instrument to measure laser-based laser projections point vertical of G and two supporting-roller shaft axle center L, R on schedule apart from H 1, H rAnd their difference DELTA C, its mathematical relation is: H 1=H r+ Δ C;
7) above-mentioned two supporting-roller shaft laser projecting apparatuss, transparent sheet, slide sign chi are moved to the opposite side of above-mentioned two tested support rollers, adopt and above-mentioned steps 2) to the identical mode of step 6), measure the corresponding parameter F of two tested support roller opposite sides ', K 1', H 1', H r', Δ C ';
8) repeat above-mentioned steps 2 at the support roller place that respectively keeps off of rotary kiln successively) to the operation of step 7), measure the corresponding parameter F of each grade support roller both sides i, K 1i, H 1i, H Ri, Δ C iAnd F i', K 1i', H 1i', H Ri', Δ C i';
9) with above-mentioned measurement data input microcomputer, follow procedure is calculated point coordinate X in the cylinder of rotary kiln of locating each grade support roller midsection automatically i, Y i, Z iAnd the actual axis of kiln cylinder body is with respect to the level and the vertical missing Δ Y of collimation axis i, Δ Z i, and the left and right support roller bearing angle O of each grade support roller 1i, O RiThereby, calculate the precise information and the direction of each grade support roller level or vertical moving and print result and figure automatically;
Wherein: cylinder of rotary kiln calculates by following formula at mid point horizontal stroke, ordinate Y, the Z at X place, support roller midsection: the kiln cylinder body horizontal ordinate: Y = 1 2 ( K 1 + K 1 ′ + A 1 + A 1 ′ ) ;
In the formula, A 1, A 1' be the horizontal range of wheel band center to left support roller AnchorPoint L;
Figure C2004100611490003C3
In the formula, B 1 = 1 2 ( D + D 1 ) ; B r = 1 2 ( D + D r ) ;
D is that wheel is with hot diameter, D 1Be the hot diameter of left support roller, Dr is the hot diameter of right support roller, and they are known quantities, and available dynamic measuring apparatus of diameter is measured; The kiln cylinder body ordinate: Z = B 1 · cos O 1 - 1 2 ( H 1 + H 1 ′ + Φ ) ;
In the formula, Φ is that wheel is with hot consecutive mean gap, is known quantity, and available dynamic wheel band gap instrument is measured;
Left side support roller bearing angle: O 1=arcsin[(A 1+ A 1')/2B 1];
Right support roller bearing angle: O r=arcsin[(F-A 1+ F '-A 1')/2B r].
2. the described supporting roller of rotary kiln axle of claim 1 laser projections is calibrated the supporting-roller shaft laser projecting apparatus that adopts in the method for kiln, include a generating laser, it is characterized in that: described generating laser is a semiconductor laser transmitter, it is arranged in the cylindrical shell seat, and its optical axis is vertical with the bottom surface of cylindrical shell seat; The barrel of described cylindrical shell seat is provided with the adjustment screw that the optical axis of regulating described semiconductor laser transmitter overlaps with the axial line of cylindrical shell seat; Described adjustment screw is divided into two groups, and the two-layer Different Diameter that is evenly arranged in described cylindrical shell seat is on the barrel at place, sectional position, and every group is adjusted screw number is three pieces; The bottom surface of described cylindrical shell seat is provided with and makes whole supporting-roller shaft laser projecting apparatus be adsorbed on magnetic cylinder on the supporting-roller shaft end face.
3. supporting-roller shaft laser projecting apparatus according to claim 2 is characterized in that: said magnetic cylinder is the cylinder bodily form, and quantity is three, is evenly distributed on the bottom surface of said cylindrical shell seat.
CN 200410061149 2004-11-19 2004-11-19 Rotary kiln riding wheel axle laser projection calibrating kiln method and riding wheel axle laser projector Expired - Fee Related CN1260545C (en)

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Application Number Priority Date Filing Date Title
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102706139B (en) * 2012-03-31 2014-01-08 中色十二冶金建设有限公司 Method for assembling rotary kiln
CN102706292B (en) * 2012-05-21 2014-12-03 武汉理工大学 Method and device for measuring riding wheel axis and barrel axis of dynamic rotary kiln
CN106052625B (en) * 2016-08-22 2018-11-30 中国十九冶集团有限公司南京分公司 The method for measuring cylinder concentricity
CN109668508A (en) * 2018-12-29 2019-04-23 武汉工程大学 A kind of dynamic rotary kiln central line measurement method
CN110375680A (en) * 2019-07-17 2019-10-25 朱承智 The measuring method of revolving body dynamic shaft core position based on binocular visual positioning technology

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