CN109668508A - A kind of dynamic rotary kiln central line measurement method - Google Patents
A kind of dynamic rotary kiln central line measurement method Download PDFInfo
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- CN109668508A CN109668508A CN201811653286.8A CN201811653286A CN109668508A CN 109668508 A CN109668508 A CN 109668508A CN 201811653286 A CN201811653286 A CN 201811653286A CN 109668508 A CN109668508 A CN 109668508A
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- support roller
- wheel belt
- rotary kiln
- radius
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/30—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes
- G01B7/31—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
- G01B21/24—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes for testing alignment of axes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/25—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention belongs to rotary kiln dynamic fields of measurement, a kind of dynamic rotary kiln central line measurement method is disclosed, it is characterized by comprising the following steps: 1) measuring device is mounted near wheel belt and support roller, left tugboat radius, right support roller radius and each shelves wheel belt radius are measured respectively；2) measurement wheel belt and cylinder gap；3) it builds horizontal gird and measures left tugboat, right support roller horizontal distance, wheel belt centre coordinate value is calculated by geometrical relationship；4) total station survey each gear wheel band center line horizontal departure and wheel belt central axis deviation, determines that the dynamic centerline of cylinder, dynamic rotary kiln central line measurement finish.The present invention calculates centre coordinate using on the basis of interface above and below bearing of conveyor idler end cap, accuracy is high, it can reflect center and the situation of change of dynamic rotary kiln in real time, theoretical and data foundation can be provided for the subsequent abrasion condition to kiln and adjustment, guarantee the normal work of rotary kiln.
Description
Technical field
The invention belongs to rotary kiln dynamic fields of measurement, and in particular to a kind of dynamic rotary kiln central line measurement method.
Background technique
Following three phases are passed through in the axes measuring technology development that rotary kiln running state is closely related, and micro-judgment is quiet
State detection, dynamic detection, micro-judgment in early days can not carry out accurately rotary kiln axis since detection technique and instrument fall behind
Measurement, the Barrel alignment of measurement is removed with theodolite and laser under the situation for stopping kiln, but rotary kiln is that a thermal technology sets
Standby, when the measurement result under cold conditions cannot represent hot operation conditions, it is therefore desirable to which dynamic inspection is carried out to the axis of rotary kiln
It surveys.
External Polysius company, method representative Germany has studied a kind of support roller position mensuration, using geodetic
Principle is learned to observe support roller shaft core position, and measures support roller, the diameter of wheel belt and wheel band gap, finally calculates kiln body axis
Position.Because this method is measured support roller position, benchmark is correct, but needs to be stamped the hole of a 50cm in bearing end,
It is not suitable for the changeable operating condition in scene.
External method has the KAS-3 type centerline of rotary kiln dynamic measuring method of Wuhan University of Technology, is built using total station
Horizontal and vertical benchmark is found, measures sensor probe at a distance from datum level, by installing 2 in the horizontal and vertical directions
Displacement sensor measures wheel belt surface variation, obtains the center of wheel belt, has the drawback that and people's high altitude operation is needed to set up large size
Overhead equipment has very big safety problem.
" changing sensor measurement of elevation method " of Shandong Aluminium Industrial Corp, the device is by laser collimator, level, microcomputer
The composition such as calculation machine plotter, displacement sensor, displacement corrector, zero degree locator, measurement start and terminate by zero degree locator
To control；After completing sampling in one week, change the angle of displacement sensor and rack cross-bar, repeats above-mentioned measurement；Finally by calculating
Machine program calculates tyre diameter, barrel diameter, wheel belt and cylinder gap and body centre position.Its disadvantage: this covering device behaviour
Make complicated, operator is required relatively high, need the personnel of profession that could use, and positioning datum is indefinite, measurement essence
It spends not high.
" the zero shift direction Key phase measure " of Central South University, which is installed on cylinder zero shift for current vortex sensor
Place, obtains the change in displacement of cylinder, then by fore-lying device, capture card and computer and application software, carries out on-site test, surveys
Amount.In a test system, analysis software can be carried out the analyses such as center line predicted query, the inquiry of support roller power, Rotary kiln optimization.Its
Disadvantage: the theoretical foundation of the measurement method is that cylinder should become zero at 15 ° of directions on the inside of each two support roller of shelves, however to returning
In the conclusion that rotary kiln is analyzed, the region that not explicitly pointing out should become zero on cylinder is therefore the zero-bit on 15 ° of directions
Moving direction Key phase measure, there are theoretical errors.
Summary of the invention
The purpose of the present invention is to solve this problems to provide a kind of behaviour by the comparison to state, inside and outside measurement method
Make simply, precision height, safe and portable have reliable positioning datum, the dynamic rotary kiln central line measurement method of gear shaper without theoretical errors.
For achieving the above object, the technical scheme is that
A kind of dynamic rotary kiln central line measurement method, which comprises the steps of: 1) measuring device is mounted on
Near wheel belt and support roller, left tugboat radius, right support roller radius and each shelves wheel belt radius are measured respectively；2) it measures between wheel belt and cylinder
Gap；3) it builds horizontal gird and measures left tugboat, right support roller horizontal distance, wheel belt centre coordinate value is calculated by geometrical relationship；4)
Total station survey each gear wheel band center line horizontal departure and wheel belt central axis deviation, determine the dynamic centerline of cylinder,
Dynamic rotary kiln central line measurement finishes.
Preferably, step 1, the measuring device are fixedly mounted near wheel belt 1 and support roller 2, power on, use spades
Support roller and wheel belt outer periphery dirt are removed, while the flat thin magnet 3 as inductive signal being adsorbed on support roller or taken turns and is taken.
Preferably, wherein step 1, the left support roller radius, right support roller radius measurement, will metering pinch roller 4 and support roller 2 it
Between roll connection, sense the flat thin magnet being adsorbed on support roller 3 close to switch 5, the switch 5 that approaches passes the signal to PLC
In controller, support roller turnning circle ni in the touch screen 6 of setting connection PLC records the circle number n of metering pinch roller, calculates support roller
Radius ri=(360*n/ni* π)/2.
Preferably, wherein step 1,1 radius measurement of wheel belt, by the company of rolling between the metering pinch roller 4 and wheel belt 1
It connects, described sense close to switch 5 is adsorbed on the flat thin magnet 3 that wheel takes, described to pass the signal to PLC control close to switch 5
In device, wheel belt turnning circle Ni in the touch screen 6 of setting connection PLC records the circle number N of metering pinch roller, calculates wheel belt
Diameter Ri=(360*N/Ni* π)/2.
Preferably, wherein step 2, the wheel belt and 7 clearance measurement of cylinder record simultaneously in measurement wheel belt radius Ri
Wheel belt rotation time Ti measures cylinder rotation period Td, calculates cylinder gap delta=1*Di-Td/Ti*Di, Di=2Ri.
Preferably, wherein carriage assembly 8 is fixed to support by step 3, the left support roller, the measurement of right support roller horizontal distance
On wheel bearing seat oil sealing end cap 9, it is placed with horizontal gird 10 on carriage assembly 8, then uses inclinator, the cooperation of bracket scale 11 can
It adjusts bolt 12 and adjusts level, keep support roller axis above and below bearing block on line of demarcation 13, it is horizontal to record left support roller, right support roller
Distance.
Preferably, wherein step 4, the measurement of wheel belt center line horizontal departure described in each gear, with the Ith gear and the IIIth grade
The wheel belt horizontal centre coordinate line of position sets up total station, it is horizontal that total station crosshair is directed at II~III gear as reference line
Crossbeam scale, recording level crossbeam scale value Xib(i=1,2,3), horizontal departure Δ X=X2b-X1a-X1b+X1a。
Preferably, wherein step 4, the measurement of wheel belt central axis deviation described in each gear, with the Ith gear and the IIIth grade
The wheel belt horizontal centre coordinate line of position sets up total station as reference line, and total station crosshair can be respectively aligned to distance I~III
Gear Sopwith staff records Sopwith staff scale value Yi(i=1,2,3) with total station horizontal distance Zi(i=1,2,3), excess vol Yih=
(Y1a-Y3a+Y3-Y1)(Z3-Z2)/(Z3-Z1), vertical missing Δ Y=Y2a+Y3-Y2-Yih。
Compared with prior art, the beneficial effects of the present invention are:
The present invention has easy to operate, and precision is high, safe and portable, there is the advantages of reliable positioning datum, gear shaper without theoretical errors.
After taking method proposed by the present invention, uses bearing block or more line of demarcation to carry out the measurement at wheel belt center for positioning datum, obtain
To the position of center line and situation of change of dynamic rotary kiln, theoretical and number can be provided for the subsequent abrasion condition to kiln and adjustment
According to foundation, guarantee the normal work of rotary kiln.The detection device of this method can be suitably used for various working, have Multiple Type bolt
Adapting device uses.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.
Fig. 1 is the support roller radius or wheel belt radius measurement schematic diagram of dynamic rotary kiln central line measurement method of the present invention.
Fig. 2 a is the left support roller of dynamic rotary kiln central line measurement method of the present invention, right support roller range measurement side view signal
Figure.
Fig. 2 b is left support roller, the right support roller range measurement schematic diagram of dynamic rotary kiln central line measurement method of the present invention.
Fig. 3 is the wheel belt central coordinate surveying schematic diagram of dynamic rotary kiln central line measurement method of the present invention.
Fig. 4 is the centerline of rotary kiln horizontal departure instrumentation plan of dynamic rotary kiln central line measurement method of the present invention.
Fig. 5 is the centerline of rotary kiln vertical missing instrumentation plan of dynamic rotary kiln central line measurement method of the present invention.
Specific embodiment
Below in conjunction with attached drawing, technical scheme in the embodiment of the invention is clearly and completely described.
As shown in Figs. 1-5, a kind of dynamic rotary kiln central line measurement method includes the following steps: 1) measuring device installation
Near wheel belt and support roller, left tugboat radius, right support roller radius and each shelves wheel belt radius are measured respectively；
Step 1, the measuring device are fixedly mounted near wheel belt 1 and support roller 2, power on, with spades by support roller with
The removal of wheel belt outer periphery dirt, while the flat thin magnet 3 as inductive signal being adsorbed on support roller or taken turns and is taken.
The measuring device includes metering pinch roller, PLC controller, close switch.PLC controller is Mitsubishi PLC control
Device (3G).
Wherein, step 1, the left support roller radius, right support roller radius measurement will roll between metering pinch roller 4 and support roller 2
Connection senses the flat thin magnet being adsorbed on support roller 3 close to switch 5, described to pass the signal to PLC controller close to switch 5
In, support roller turnning circle ni in the touch screen 6 of setting connection PLC records the circle number n of metering pinch roller, calculates support roller radius ri
=(360*n/ni* π)/2.
Wherein, step 1,1 radius measurement of wheel belt are connected rolling between the metering pinch roller 4 and wheel belt 1, described
It is sensed close to switch 5 and is adsorbed on the flat thin magnet 3 that wheel takes, it is described to be passed the signal in PLC controller close to switch 5, if
Surely wheel belt turnning circle Ni in the touch screen 6 of PLC is connected, the circle number N of metering pinch roller is recorded, calculates tyre diameter Ri=
(360*N/Ni*π)/2。
2) measurement wheel belt and cylinder gap；
Wherein, step 2, the wheel belt and 7 clearance measurement of cylinder, in measurement wheel belt radius Ri, while record wheel band rotates
Time Ti measures cylinder rotation period Td, calculates cylinder gap delta=1*Di-Td/Ti*Di, Di=2Ri.
3) it builds horizontal gird and measures left tugboat, right support roller horizontal distance, wheel belt centre coordinate is calculated by geometrical relationship
Value；
Wherein, step 3, the left support roller, the measurement of right support roller horizontal distance, is fixed to bearing of conveyor idler seat for carriage assembly 8
On oil sealing end cap 9, it is placed with horizontal gird 10 on carriage assembly 8, then cooperates adjustable bolt with inclinator, bracket scale 11
12 adjust level, and support roller axis is kept on line of demarcation 13, to record left support roller, right support roller horizontal distance above and below bearing block.
4) total station survey each gear wheel band center line horizontal departure and wheel belt central axis deviation, determines the dynamic of cylinder
State center line, dynamic rotary kiln central line measurement finish.
Wherein, step 4, the measurement of wheel belt center line horizontal departure described in each gear, with the wheel of the Ith gear and the IIIth gear
Band horizontal centre coordinate line sets up total station as reference line, and total station crosshair is directed at II~III gear horizontal gird mark
Ruler, recording level crossbeam scale value Xib(i=1,2,3), horizontal departure Δ X=X2b-X1a-X1b+X1a。
Wherein, step 4, the measurement of wheel belt central axis deviation described in each gear, with the wheel of the Ith gear and the IIIth gear
Band horizontal centre coordinate line sets up total station as reference line, and total station crosshair can be respectively aligned to I~III gear tower of distance
Ruler records Sopwith staff scale value Yi(i=1,2,3) with total station horizontal distance Zi(i=1,2,3), excess vol Yih=(Y1a-Y3a+
Y3-Y1)(Z3-Z2)/(Z3-Z1), vertical missing Δ Y=Y2a+Y3-Y2-Yih。
Dynamic rotary kiln central line measurement method according to an embodiment of the present invention is further described with reference to the accompanying drawing.
As shown in Figure 1, in (wheel belt) left and right support roller radius measurement step, it will be between metering pinch roller and (wheel belt) support roller
Connection is rolled, close to inductive switching to the flat thin magnet being adsorbed on (wheel belt) support roller, is passed the signal in PLC controller, if
Set support roller turnning circle ni in touch screen, record metering pinch roller circle number n, calculate support roller radius ri=(360*n/ni* π)/
2.Wheel belt turnning circle Ni in touch screen is set, the circle number N of metering pinch roller is recorded, calculates tyre diameter Ri=(360*N/Ni*
π)/2。
As shown in Fig. 2, carriage assembly is fixed to bearing block oil sealing end in left and right support roller horizontal distance measuring process
It covers, after adjusting level with inclinator fitted bolt after frame upper beam, keeps support roller axis above and below bearing block on line of demarcation, with band
Graduated scale records left and right support roller horizontal distance.
As shown in figure 3, after measuring the distance of left and right support roller, it, can be in triangle according to the resulting radius data in front
In solve angle [alpha] and angle delta, be similarly obtained the centre coordinate (Xia, Yia) (i=1,2,3) of wheel belt.
As shown in figure 4, in each gear wheel band center line horizontal departure measuring process, with the Ith gear and the IIIth gear
Wheel belt horizontal centre coordinate line sets up total station as reference line, and crosshair is directed at II~III gear horizontal beam scale, record
Scale value Xib(i=1,2,3), Δ X=X2b-X1a-X1b+X1a。
As shown in figure 5, in each gear wheel band central axis deviation measuring process, with the Ith gear and the IIIth gear
Wheel belt horizontal centre coordinate line sets up total station as reference line, and crosshair can be respectively aligned to I~III gear Sopwith staff of distance,
Record scale value Yi (i=1,2,3) and total station horizontal distance Zi (i=1,2,3), excess vol Yih=(Y1a-Y3a+Y3-Y1)
(Z3-Z2)/(Z3-Z1), vertical missing Δ Y=Y2a+Y3-Y2-Yih。
According to the dynamic rotary kiln central line measurement method of the embodiments of the present invention, use bearing block or more line of demarcation for
Positioning datum carries out the measurement at wheel belt center, obtains the position of center line and situation of change of dynamic rotary kiln, can be subsequent right
The abrasion condition of kiln and adjustment provide theoretical and data foundation, guarantee the normal work of rotary kiln.
Embodiments described above is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
Claims (8)
1. a kind of dynamic rotary kiln central line measurement method, which comprises the steps of: 1) measuring device is mounted on wheel
Band near support roller, measure left tugboat radius, right support roller radius and each shelves wheel belt radius respectively；2) it measures between wheel belt and cylinder
Gap；3) it builds horizontal gird and measures left tugboat, right support roller horizontal distance, wheel belt centre coordinate value is calculated by geometrical relationship；4)
Total station survey each gear wheel band center line horizontal departure and wheel belt central axis deviation, determine the dynamic centerline of cylinder,
Dynamic rotary kiln central line measurement finishes.
2. a kind of dynamic rotary kiln central line measurement method according to claim 1, which is characterized in that step 1, the survey
Amount equipment is fixedly mounted near wheel belt (1) and support roller (2), is powered on, and is removed dirt on the outside of support roller and wheel belt with spades,
Support roller will be adsorbed on as the flat thin magnet of inductive signal (3) simultaneously or wheel takes.
3. a kind of dynamic rotary kiln central line measurement method according to claim 1, which is characterized in that wherein, step 1, institute
Left support roller, right support roller radius measurement are stated, is connected being rolled between metering pinch roller (4) and support roller (2), is sensed close to switch (5)
The flat thin magnet (3) being adsorbed on support roller, described to be passed the signal in PLC controller close to switch (5), setting connection PLC control
Support roller turnning circle ni in the touch screen (6) of device processed records the circle number n of metering pinch roller, calculates support roller radius ri=360*n/
ni*π/2。
4. a kind of dynamic rotary kiln central line measurement method according to claim 1, which is characterized in that wherein, step 1, institute
Wheel belt (1) radius measurement is stated, is connected being rolled between the metering pinch roller (4) and wheel belt (1), it is described close to switch (5) induction
To the flat thin magnet (3) taken turns and taken is adsorbed on, described to pass the signal in PLC controller close to switch (5), setting connects PLC
Wheel belt turnning circle Ni in the touch screen (6) of controller, record metering pinch roller circle number N, calculate tyre diameter Ri=
360*N/Ni*π/2。
5. a kind of dynamic rotary kiln central line measurement method according to claim 1, which is characterized in that wherein, step 2, institute
Wheel belt (1) and cylinder (7) clearance measurement are stated, wheel belt radius Ri, while record wheel band rotation time Ti is measured, measures barrel body rotation
Cycle T d calculates cylinder gap delta=1*Di-Td/Ti*Di, Di=2Ri.
6. a kind of dynamic rotary kiln central line measurement method according to claim 1, which is characterized in that wherein, step 3, institute
Left support roller, the measurement of right support roller horizontal distance are stated, carriage assembly (8) are fixed on bearing of conveyor idler seat oil sealing end cap (9), bracket group
It is placed with horizontal gird (10) on part (8), then adjusts water with inclinator, bracket scale (11) cooperation adjustable bolt (12)
It is flat, keep support roller axis on line of demarcation (13), to record left support roller, right support roller horizontal distance above and below bearing block.
7. a kind of dynamic rotary kiln central line measurement method according to claim 1, which is characterized in that wherein, step 4, respectively
Wheel belt center line horizontal departure described in gear measurement, using the wheel belt horizontal centre coordinate line of the Ith gear and the IIIth gear as
Reference line, sets up total station, and total station crosshair is directed at II~III gear horizontal gird scale, recording level crossbeam scale value
Xib, horizontal departure Δ X=X2b-X1a-X1b+X1a。
8. a kind of dynamic rotary kiln central line measurement method according to claim 1, which is characterized in that wherein, step 4, respectively
Wheel belt central axis deviation described in gear measurement, using the wheel belt horizontal centre coordinate line of the Ith gear and the IIIth gear as
Reference line sets up total station, and total station crosshair can be respectively aligned to I~III gear Sopwith staff of distance, records Sopwith staff scale value YiWith
Total station horizontal distance Zi, excess vol, vertical missing Δ Y=Y2a+Y3-Y2-Yih。
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Cited By (3)
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| CN110567426A (en) * | 2019-09-12 | 2019-12-13 | 何金峥 | method for detecting thermal kiln core of rotary kiln |
| CN111366063A (en) * | 2020-03-19 | 2020-07-03 | 安徽芜湖海螺建筑安装工程有限责任公司 | Method for detecting central line of rotary cement kiln |
| CN112013795A (en) * | 2020-08-24 | 2020-12-01 | 赛轮集团股份有限公司 | Method for confirming alignment of tire building crown assembly and tire cylinder assembly and application |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112013795A (en) * | 2020-08-24 | 2020-12-01 | 赛轮集团股份有限公司 | Method for confirming alignment of tire building crown assembly and tire cylinder assembly and application |
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Application publication date: 20190423 |
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