CN115342742A - Bearing clearance measuring method for continuous casting ladle turret - Google Patents
Bearing clearance measuring method for continuous casting ladle turret Download PDFInfo
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- CN115342742A CN115342742A CN202210909826.4A CN202210909826A CN115342742A CN 115342742 A CN115342742 A CN 115342742A CN 202210909826 A CN202210909826 A CN 202210909826A CN 115342742 A CN115342742 A CN 115342742A
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000009749 continuous casting Methods 0.000 title claims abstract description 15
- 238000005259 measurement Methods 0.000 claims abstract description 40
- 239000003292 glue Substances 0.000 claims abstract description 12
- 238000007689 inspection Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 7
- 238000013461 design Methods 0.000 claims description 6
- 239000004831 Hot glue Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 description 14
- 238000005299 abrasion Methods 0.000 description 8
- 238000005065 mining Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D2/00—Arrangement of indicating or measuring devices, e.g. for temperature or viscosity of the fused mass
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a method for measuring bearing clearance of a continuous casting ladle turret, which comprises the following steps: erecting a laser tracker for rough leveling; adhering a laser tracker measuring base to a stable position below a rotary arm by using glue, and adhering two control points to the positions of a first rotary arm and a second rotary arm respectively; checking and calibrating the laser tracker; opening measurement software, performing virtual leveling, and establishing a ground level; 1. when the second rotary arm is idle, measuring Z coordinate values of the four measuring bases; measuring Z coordinate values of a first base and a second base on the first rotary arm when the first rotary arm is used for placing the standard tank; measuring Z coordinate values of a third base and a fourth base on the second rotary arm when the second rotary arm is placed on the standard tank; and calculating the gap values of the first arm position and the second arm position through a formula. The device is used for measuring the bearing clearance of the ladle turret in continuous casting, can precisely measure the bearing clearance of the ladle turret without dismounting any part of the ladle turret, and has high measurement precision.
Description
Technical Field
The invention relates to a method for measuring bearing clearance of a continuous casting ladle turret.
Background
The ladle turret is important equipment of a steelmaking continuous casting part, a revolving bearing of the ladle turret is not replaced after the ladle turret is put into production, and measurement data of a clearance of the revolving bearing is key data for determining replacement of the revolving bearing. In the thesis "analysis and processing of fault causes of turret of bale", there is a method for measuring bearing clearance of turret of bale by using an inside micrometer.
Comparative data 1: analysis and processing of fault causes of bale rotary table
In the article, "analysis and processing of fault causes of turret of bale," a method for measuring bearing clearance of turret of bale by using an inside micrometer is proposed, a reference is measured on an inner ring of a slewing bearing, when the turret rotates to two positions respectively in a no-load state and a heavy load state, the inside micrometer is used for measuring the dimension between a rotating seat and a fixed seat, and the clearance data of the slewing bearing is obtained. This method is limited by the ladle turret construction and is not applicable to all kinds of ladle turret bearing clearance measurements. And the measurement accuracy is degraded by factors such as the inclination of the micrometer and the flatness of the upper and lower surfaces.
Comparative data 2: bearing wear measuring instrument and manufacturing process thereof
The invention discloses a bearing abrasion measuring instrument and a manufacturing process thereof, and relates to the technical field of abrasion measuring instruments. Fixed mounting has the hardboard in the middle of the inside of casing down, the upper end of casing down and be located one side fixed mounting of hardboard have the soft board, opposite side fixed mounting has symmetrical first high temperature connecting wire and second high temperature connecting wire respectively, lower casing, go up the casing, the hardboard, soft board and first high temperature connecting wire form a whole jointly, go up the inside of casing and lower casing and seted up first cave mouth and second cave mouth respectively, therefore, not only avoid taking place the winding problem of wire, but also solved the problem that the wire extension cable influences measurement accuracy, the measurement clearance between sensor probe and the measured axle has still been reduced simultaneously, thereby whole measurement accuracy has been improved, effectively audio-visual measurement bearing wearing and tearing volume, dustproof mode has simultaneously, electromagnetic drying is prevented, shock resistance has been improved, further improvement measurement efficiency. The method cannot adopt a laser tracker for measurement, and is not suitable for measuring the bearing clearance of the continuous casting ladle turret.
Comparative data 3: method and system for detecting abrasion loss of sliding bearing of heavy mining equipment
The invention discloses a method and a system for detecting the abrasion loss of a sliding bearing of heavy mining equipment, wherein the mining equipment comprises a support shaft, the sliding bearing, a wheel body and a shaft seat; the detection method comprises the steps that a detection hole or a detection groove is formed in a shaft seat, and the extending direction of the detection hole or the detection groove is parallel to the axis of the support shaft; inserting a detection rod along the detection hole or the detection groove until the detection rod reaches the wear gap; a plurality of detection rods are arranged according to the diameter, and are sequentially inserted from small to large until the upper wall of the detection rod is contacted with the upper wall of the abrasion gap or the detection rod cannot be inserted into the abrasion gap; determining the size of the abrasion gap according to the diameter of the support shaft, the distance from the axis of the detection hole to the axis of the support shaft and the diameter of the detection rod; alternatively, the size of the wear gap is determined based on the diameter of the sensing rod. The invention solves the problem of higher operation difficulty of the existing method for detecting the abrasion loss of the sliding bearing of the heavy mining equipment. The method cannot adopt a laser tracker for measurement, and is not suitable for measuring the bearing clearance of the continuous casting ladle turret.
Disclosure of Invention
The invention aims to provide a method for measuring the bearing clearance of a continuous casting ladle turret, which is used for measuring the bearing clearance of the continuous casting ladle turret, can precisely measure the bearing clearance of the ladle turret without dismounting any part of the ladle turret, and has high measurement precision.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention relates to a method for measuring bearing clearance of a continuous casting ladle turret, which comprises the following steps:
erecting a laser tracker for rough leveling;
adhering a measuring base of the laser tracker to a stable position below a rotary arm by using glue, and adhering two control points to the positions of a first rotary arm and a second rotary arm respectively;
checking and calibrating the laser tracker; opening measurement software, performing virtual leveling, and establishing a ground level; 1. when the second rotary arm is idle, measuring Z coordinate values of the four measuring bases; measuring Z coordinate values of a first base and a second base on the first rotary arm when the first rotary arm is used for placing the standard tank; measuring Z coordinate values of a third base and a fourth base on the second rotary arm when the second rotary arm is placed on the standard tank;
and calculating the gap values of the first arm position and the second arm position through a formula.
Further, the laser tracker is an API laser tracker.
Further, when | Z Label 2 -Z 2 |-|Z Label 1 -Z 1 Or Z Label 4 -Z 4 |-|Z Label 3 -Z 3 If the value of | is greater than 0.1mm, the measurement should be repeated.
Further, the method specifically comprises the following steps:
s1, placing a laser tracker on the stable ground of a platform where a bale turntable is located, and roughly leveling circular leveling bubbles of an instrument tripod;
s2, use hot melt adhesive rifle and 502 glue to glue laser tracker measurement base in slewing arm below stable position, be close to the place at gear edge as far as possible, glue two control points respectively in a slewing arm position: the first base and the second base mutually check the measurement effect; two control points are respectively stuck at the position of the second rotary arm: the base comprises a third base and a fourth base, and the two bases check the measurement effect mutually;
s3, performing front and back type inspection on the laser tracker, opening measurement software for measurement when the accuracy of the laser tracker is confirmed to meet the measurement requirement, and calibrating the laser tracker by using a QVC (QVC) function if the accuracy of the front and back type inspection does not meet the measurement requirement until the accuracy of the front and back type inspection meets the measurement requirement, and performing the next step;
s4, opening measurement software, performing virtual leveling, and establishing a ground level;
s5, rotating the first rotary arm to a position right facing the erection of the laser tracker, and measuring Z values of the first base and the second base, wherein the Z values are respectively Z 1 、Z 2 (ii) a Rotating the rotary arm by 180 degrees and then collecting Z values of the third base and the fourth base at the position of the second rotary arm, wherein the Z values are respectively Z 3 、Z 4 ；
S6, under the conditions that the standard tank is placed on the first rotary arm and the tank is not placed on the second rotary arm, rotating the rotary arm for 180 degrees, and measuring the Z values of the first base and the second base, wherein the Z values are respectively Z Label 1 、Z Label 2 ；
S7, rotating the rotary arm 180 degrees, placing the first rotary arm in the standard tank to be lifted, rotating the rotary arm 180 degrees, placing the second rotary arm in the standard tank, rotating the rotary arm 180 degrees, and collecting Z values of the third base and the fourth base in the second rotary arm position, wherein the Z values are respectively Z Label 3 、Z Label 4 ；
S8, calculating a clearance value of the first arm position through a formula I:
the formula I is as follows: j. the design is a square 1 ＝(|Z Label 1 -Z 1 |+|Z Label 2 -Z 2 |)/2
Wherein:
J 1 a bearing gap at the position of the first rotary arm;
Z label 1 Z coordinate value of the first base when the first rotary arm is placed with the standard tank;
Z label 2 Z coordinate value of the second base when the first rotary arm is used for placing the standard tank;
Z 1 when the first and second rotary arms are idle, the Z coordinate value of the first base is obtained;
Z 2 when the first and second rotary arms are empty, the Z coordinate value of the second base is obtained;
and calculating the gap value of the second arm position by a formula II:
the formula II is as follows: j. the design is a square 2 ＝(|Z Label 3 -Z 3 |+|Z Label 4 -Z 4 |)/2
Wherein:
J 2 a bearing gap at the position of the second rotary arm;
Z label 3 Z coordinate value of the third base when the second rotary arm is placed with the standard tank;
Z label 4 Z coordinate value of the fourth base when the second rotary arm is placed with the standard tank;
z3 is a Z coordinate value of the third base when the first rotary arm and the second rotary arm are idle;
z4 is the Z coordinate value of the fourth base when the first and second rotary arms are idle.
Compared with the prior art, the invention has the beneficial technical effects that:
the problems of low universality, large measurement error and the like of the traditional measurement method are solved, and the laser tracker can be used for precisely measuring the bearing clearance of the ladle turret without dismounting any part of the ladle turret, so that the measurement precision is high.
Drawings
The invention is further illustrated in the following description with reference to the drawings.
FIG. 1 is a schematic diagram of the principles of the present invention;
FIG. 2 is a schematic flow diagram of the present invention;
description of reference numerals: 1-first rotary arm, 2-second rotary arm, 3-measuring base, 31-first base, 32-second base, 33-third base and 34-fourth base.
Detailed Description
With reference to fig. 1 to 2, a method for measuring the bearing clearance of a continuous casting ladle turret according to the present invention is exemplified by the embodiment given below.
A method for measuring bearing clearance of a continuous casting ladle turret comprises the following specific steps:
s1, placing a laser tracker (described by taking an API laser tracker as an example) on the stable ground of a platform where a ladle turret is located, roughly leveling circular leveling bubbles of an instrument tripod, and described by taking the laser tracker erected on the side of a casting machine as an example;
s2, use hot melt adhesive rifle and 502 glue to glue laser tracker measurement base 3 in slewing arm below stable position, be close to the place at gear edge as far as possible, glue two control points respectively in a slewing arm 1 position: a first base 31 and a second base 32, which check the measurement effect against each other. Two control points are respectively stuck at the 2 positions of the second rotary arm: a third base 33 and a fourth base 34, which check the measurement effect with each other;
s3, carrying out front and back type inspection on the API laser tracker, opening measurement software for measurement when the accuracy of the API laser tracker meets the measurement requirement, calibrating the laser tracker by using a QVC (QVC) function when the accuracy of the front and back type inspection does not meet the measurement requirement, and carrying out the next step when the accuracy of the front and back type inspection meets the measurement requirement;
s4, opening measurement software, performing virtual leveling, and establishing a ground level;
s5, rotating the first rotary arm 1 to a position right facing the erection of the laser tracker, and measuring Z values of the first base 31 and the second base 32, wherein the Z values are respectively Z 1 、Z 2 . Rotating the rotary arm by 180 degrees and then collecting Z values of the third base 33 and the fourth base 34 at the position of the second rotary arm 2, wherein the Z values are respectively Z 3 、Z 4 ；
S6, under the conditions that a standard tank is placed in the first rotary arm 1 and a tank is not placed in the second rotary arm 2, rotating the rotary arm 180 degrees, and measuring Z values of the first base 31 and the second base 32, wherein the Z values are Z respectively Label 1 、Z Label 2 ；
S7, rotating the rotary arm 180 degrees, placing the first rotary arm 1 in the standard tank, lifting, rotating the rotary arm 180 degrees, placing the second rotary arm 2 in the standard tank, rotating the rotary arm 180 degrees, and collecting Z values of the third base 33 and the fourth base 34 at the position of the second rotary arm 2, wherein the Z values are Z values respectively Label 3 、Z Label 4 ；
S8, calculating a clearance value of the first arm position through a formula I:
the formula I is as follows: j. the design is a square 1 ＝(|Z Label 1 -Z 1 |+|Z Label 2 -Z 2 |)/2
Wherein:
J 1 is a bearing gap at the position of a first rotary arm 1;
Z label 1 The Z coordinate value of the first base 31 when the standard tank is placed on the first revolving arm 1;
Z label 2 The Z coordinate value of the second base 32 when the first revolving arm 1 is placed with the standard can;
Z 1 the Z coordinate value of the first base 31 when the first and second revolving arms 1 and 2 are empty;
Z 2 the Z coordinate value of the second base 32 when the first and second rotary arms 1 and 2 are empty;
1. and calculating the gap value of the second arm position through a formula II.
The second formula is as follows: j. the design is a square 2 ＝(|Z Label 3 -Z 3 |+|Z Label 4 -Z 4 |)/2
Wherein:
J 2 the bearing clearance is the bearing clearance at the position of the second rotary arm 2;
Z label 3 The Z coordinate value of the third base 33 when the standard tank is placed on the second rotary arm 2;
Z label 4 The Z coordinate value of the fourth base 34 when the second revolving arm 2 is placed with the standard can;
Z 3 when the first and second rotary arms 1 and 2 are empty, the Z coordinate value of the third base 33 is obtained;
Z 4 when the first and second rotary arms 1 and 2 are empty, the Z coordinate value of the fourth base 34 is obtained.
It is noteworthy that when | Z Label 2 -Z 2 |-|Z Label 1 -Z 1 Or Z Label 4 -Z 4 |-|Z Label 3 -Z 3 If the value of | is greater than 0.1mm (the value is adjusted according to the measurement technical requirement, and the value does not limit the protection scope of the invention), the measurement should be carried out again.
The clearance of the bearing seat of the casting machine of No. five of our factory is measured according to the measuring method, and the measuring result is as follows:
note: the unit of measurement is millimeters (mm).
It can be seen from the above table that the result of measuring the bearing clearance of the turret by using an inside micrometer and the deviation of the result obtained by using the method are within the allowable range, and the precision is higher by using the method.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (4)
1. A method for measuring bearing clearance of a continuous casting ladle turret is characterized by comprising the following steps:
erecting a laser tracker for rough leveling;
adhering a laser tracker measuring base to a stable position below a rotary arm by using glue, and adhering two control points to the positions of a first rotary arm and a second rotary arm respectively;
checking and calibrating the laser tracker; opening measurement software, performing virtual leveling, and establishing a ground level; 1. when the second rotary arm is idle, measuring Z coordinate values of the four measuring bases; measuring Z coordinate values of a first base and a second base on the first rotary arm when the first rotary arm is used for placing the standard tank; measuring Z coordinate values of a third base and a fourth base on the second rotary arm when the second rotary arm is placed in the standard tank;
and calculating the gap values of the first arm position and the second arm position through a formula.
2. The method of claim 1, wherein the laser tracker is an API laser tracker.
3. The method of claim 1, wherein the value of Z is Label 2 -Z 2 |-|Z Label 1 -Z 1 Or Z Label 4 -Z 4 |-|Z Label 3 -Z 3 If the value of | is greater than 0.1mm, the measurement should be repeated.
4. The method for measuring the bearing clearance of the continuous casting ladle turret according to claim 1, comprising the steps of:
s1, placing a laser tracker on the stable ground of a platform where a bale turntable is located, and roughly leveling circular leveling bubbles of an instrument tripod;
s2, use hot melt adhesive rifle and 502 glue to glue laser tracker measurement base in slewing arm below stable position, be close to the place at gear edge as far as possible, glue two control points respectively in a slewing arm position: the first base and the second base mutually check the measurement effect; two control points are respectively stuck at the position of the second rotary arm: the base comprises a third base and a fourth base, and the two bases check the measurement effect mutually;
s3, carrying out front and back type inspection on the laser tracker, opening measurement software for preparing measurement when the accuracy of the laser tracker meets the measurement requirement, calibrating the laser tracker by using a QVC (QVC) function if the accuracy of the front and back type inspection does not meet the measurement requirement, and carrying out the next step until the accuracy of the front and back type inspection meets the measurement requirement;
s4, opening measurement software, performing virtual leveling, and establishing a ground level;
s5, the first rotary arm is rotated to a position right opposite to the erection position of the laser tracker, and the Z values of the first base and the second base are measured and respectively are Z 1 、Z 2 (ii) a Rotating the rotary arm by 180 degrees and then collecting Z values of a third base and a fourth base at the position of the second rotary arm, wherein the Z values are respectively Z 3 、Z 4 ；
S6, under the conditions that the standard tank is placed on the first rotary arm and the tank is not placed on the second rotary arm, rotating the rotary arm for 180 degrees, and measuring the Z values of the first base and the second base, wherein the Z values are respectively Z Label 1 、Z Label 2 ；
S7, rotating the rotary arm 180 degrees, placing the first rotary arm in the standard tank to be lifted, rotating the rotary arm 180 degrees, placing the second rotary arm in the standard tank, rotating the rotary arm 180 degrees, and collecting the third position of the second rotary armZ values of the base and the fourth base are respectively Z Label 3 、Z Label 4 ；
S8, calculating a clearance value of the first arm position through a formula I:
the formula I is as follows: j. the design is a square 1 ＝(|Z Label 1 -Z 1 |+|Z Label 2 -Z 2 |)/2
Wherein:
J 1 a bearing gap at the position of the first rotary arm;
Z label 1 Z coordinate value of the first base when the first rotary arm is placed with the standard tank;
Z label 2 Z coordinate value of the second base when the first rotary arm is placed with the standard tank;
Z 1 when the first and second rotary arms are idle, the Z coordinate value of the first base is obtained;
Z 2 when the first and second rotary arms are empty, the Z coordinate value of the second base is obtained;
and calculating the gap value of the second arm position by a formula II:
the formula II is as follows: j. the design is a square 2 ＝(|Z Label 3 -Z 3 |+|Z Label 4 -Z 4 |)/2
Wherein:
J 2 a bearing gap at the position of the second rotary arm;
Z label 3 Z coordinate value of the third base when the second rotary arm is placed with the standard tank;
Z label 4 Z coordinate value of the fourth base when the second rotary arm is placed with the standard tank;
Z 3 when the first rotary arm and the second rotary arm are idle, the Z coordinate value of the third base is obtained;
Z 4 and when the first and second rotary arms are empty, the Z coordinate value of the fourth base is obtained.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210909826.4A CN115342742A (en) | 2022-07-29 | 2022-07-29 | Bearing clearance measuring method for continuous casting ladle turret |
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| CN202210909826.4A CN115342742A (en) | 2022-07-29 | 2022-07-29 | Bearing clearance measuring method for continuous casting ladle turret |
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