CN108801180B - Method for centering and aligning vertical speed reducer and roll box - Google Patents
Method for centering and aligning vertical speed reducer and roll box Download PDFInfo
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- CN108801180B CN108801180B CN201810900210.4A CN201810900210A CN108801180B CN 108801180 B CN108801180 B CN 108801180B CN 201810900210 A CN201810900210 A CN 201810900210A CN 108801180 B CN108801180 B CN 108801180B
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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
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B11/27—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
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Abstract
The invention discloses a method for centering and aligning a vertical speed reducer and a roll box, which comprises the following steps of: A. preparing work and working conditions; B. preparing labor force, main operation machinery and tools; C. and (4) centering and aligning. The invention has the advantages that the centering efficiency of the vertical speed reducer and the roll box is improved, the production stop maintenance time is effectively shortened, the centering and aligning time is obviously shortened, the original operation time of 3 shifts is spent, the centering and aligning can be completed only by half shift at present, the working efficiency is greatly improved, and the high-speed wire rod production line is put into production early; meanwhile, the invention is also suitable for centering and aligning of various similar vertical rotating devices, and has wide applicability.
Description
Technical Field
The invention belongs to the technical field of precision measurement of industrial equipment, and particularly relates to a method for centering and aligning a vertical speed reducer and a roll box during high-speed wire steel rolling production.
Background
The vertical speed reducer is a speed reducer which is installed in a vertical mode, is generally fixed by a flange plate, is mainly used for a crane running mechanism, and can also be used for running mechanisms of various mechanical equipment such as transportation, metallurgy, mines, chemical engineering, light industry and the like. The gear and the gear shaft adopt medium-carbon cemented carbide medium-hard tooth surfaces, and have the advantages of compact structure, higher bearing capacity and the like. When high-speed wire rod steel rolling production, the following problem that vertical speed reducer and roll box centering alignment exist: 1. there is no feasible centering operation method, and the data centered by the laser centering instrument cannot be used as directly adjusted data; 2. when the vertical speed reducer is centered, the operation and maintenance are carried out in a narrow underground space, and the operation is difficult; 3. the placement of field material spare parts is disordered; the centering consumes long time, seriously restricts the maintenance process of the high-speed wire rod rolling mill and influences the recovery production of the whole production line.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a method for centering and aligning a vertical speed reducer and a roller box, which improves the centering efficiency of the vertical speed reducer and the roller box, effectively shortens the production stop maintenance time, shortens the construction period and enables a high-speed wire rod production line to be put into production early.
In order to achieve the purpose, the invention adopts the following technical scheme:
the method for centering and aligning the vertical speed reducer and the roll box comprises the following steps:
A. preparation and conditions of work
A1. Before working, maintenance of a centering instrument is well done, and the stability of centering work is ensured;
A2. before work, the maintenance party needs to make preparation work of tools and tools;
A3. determining the maintenance process requirement before working: retaining the baffle when the speed reducer is disassembled, or retaining marks at the position of the baffle; in addition, sizing blocks originally used by the speed reducers, the motors and other equipment are marked mutually, so that the efficiency is improved when the speed reducers and other equipment are installed;
B. preparation of labor, main working machine, and tool
B1. Labor force:
measuring personnel, bench workers and hoisting;
B2. main working machines and tools:
1 laser centering instrument, 2 hydraulic jacks, a lifting tool and a bench worker tool;
C. centering and aligning
C1. Selecting a program for centering a horizontal machine shaft built in a laser centering instrument;
C2. installing a pair of laser emitter units and measuring the distance between the two laser emitters;
C3. checking the installation, positioning and centering conditions of the detector, and checking a data connecting line of the host;
C4. aligning and centering a coupler, and measuring radial displacement or radial gap coaxiality influencing coaxiality and angular displacement or axial gap influencing parallelism; for a vertical speed reducer, the key is that the parallelism degree must be adjusted firstly, and then the coaxiality is adjusted;
C5. centering measurement is started, the alignment of the vertical speed reducer is carried out, the laser centering instrument does not have a corresponding program, the obtained adjustment data cannot be directly used as a basis, the adjustment data needs to be recalculated, and at the moment, the step-by-step adjustment is carried out by adopting a slow approach method;
C6. an adjusting step:
firstly, according to the opening data value of one direction measured by a laser centering instrument: /100
Calculating an adjustment value △ of (L/100), wherein the adjustment amount is △/2, and the shims with corresponding thicknesses are added at one end and reduced at the other end for adjustment,
according to the opening data value of the other vertical direction measured by the instrument again: /100
Calculating an adjustment value △ of (L/100), wherein the adjustment amount is △/2, and the shims with corresponding thicknesses are added at one end and reduced at the other end for adjustment,
repeatedly carrying out the operation of the adjusting step until the parallelism of the two vertical directions meets the requirement;
C7. adjusting the coaxiality after the parallelism is adjusted, and adjusting the position of the speed reducer through left-right translation according to a deviation value △ h measured by the laser centering instrument until the deviation values in two vertical directions reach the coaxiality requirement;
C8. after all data are adjusted, fastening the bolt, and then measuring again; if the deviation exists, adjusting again until the technical requirement is met;
C9. and after the centering adjustment of the speed reducer is finished, arranging detection data and filling a detection report.
Compared with the prior art, the invention has the advantages that the centering efficiency of the vertical speed reducer and the roll box is improved, the production stop maintenance time is effectively shortened, the centering and aligning time is obviously shortened, the original operation time of 3 shifts is spent, the centering and aligning can be completed only by half shift at present, the working efficiency is greatly improved, and the high-speed wire rod production line is put into production early; meanwhile, the invention is also suitable for centering and aligning of various similar vertical rotating devices, and has wide applicability.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram showing the positional relationship between a vertical reduction gear and a roll box.
Fig. 2 is a schematic view (I) of alignment of a vertical speed reducer and a roll box.
FIG. 3 is the alignment of the vertical reducer and the roller box
In the figure: 1-roller box 2-vertical speed reducer 3-motor.
Detailed Description
The present invention is further illustrated by the following specific examples.
As shown in fig. 1, which is a schematic diagram of the position relationship between the vertical speed reducer 2 and the roll box 1 and the motor 3, the vertical speed reducer 2 is installed vertically, and there are many problems in centering and aligning the vertical speed reducer 2 and the roll box 1 during high-speed wire rod rolling production. The method for centering and aligning the vertical speed reducer 2 and the roller box 1 can make up for the defects of the prior art.
As shown in fig. 2 and 3, the method for centering and aligning the vertical reducer and the roll box comprises the following steps:
A. preparation and conditions of work
A1. Before working, maintenance of a centering instrument is well done, and the stability of centering work is ensured;
A2. before work, the maintenance party needs to make preparation work of tools and tools;
A3. determining the maintenance process requirement before working: retaining the baffle when the speed reducer is disassembled, or retaining marks at the position of the baffle; in addition, sizing blocks originally used by the speed reducers, the motors and other equipment are marked mutually, so that the efficiency is improved when the speed reducers and other equipment are installed;
B. preparation of labor, main working machine, and tool
B1. Labor force:
at least 2 measuring personnel, at least 4 fitters and at least 2 cranes are lifted;
B2. main working machines and tools:
1 laser centering instrument, 2 hydraulic jacks, a lifting tool and a bench worker tool;
C. centering and aligning
C1. Selecting a program for centering a horizontal machine shaft built in a laser centering instrument;
C2. installing a pair of laser emitter units and measuring the distance between the two laser emitters;
C3. checking the installation, positioning and centering conditions of the detector, and checking a data connecting line of the host;
C4. aligning and centering a coupler, and measuring radial displacement or radial gap coaxiality influencing coaxiality and angular displacement or axial gap influencing parallelism; for a vertical speed reducer, the key is that the parallelism degree must be adjusted firstly, and then the coaxiality is adjusted;
C5. centering measurement is started, the alignment of the vertical speed reducer is carried out, the laser centering instrument does not have a corresponding program, the obtained adjustment data cannot be directly used as a basis, the adjustment data needs to be recalculated, and at the moment, the step-by-step adjustment is carried out by adopting a slow approach method;
C6. an adjusting step:
firstly, according to the opening data value of one direction measured by a laser centering instrument: /100
Calculating an adjustment value △ of (L/100), wherein the adjustment amount is △/2, and the shims with corresponding thicknesses are added at one end and reduced at the other end for adjustment,
according to the opening data value of the other vertical direction measured by the instrument again: /100
Calculating an adjustment value △ of (L/100), wherein the adjustment amount is △/2, and the shims with corresponding thicknesses are added at one end and reduced at the other end for adjustment,
repeatedly carrying out the operation of the adjusting step until the parallelism of the two vertical directions meets the requirement;
C7. adjusting the coaxiality after the parallelism is adjusted, and adjusting the position of the speed reducer through left-right translation according to a deviation value △ h measured by the laser centering instrument until the deviation values in two vertical directions reach the coaxiality requirement;
C8. after all data are adjusted, fastening the bolt, and then measuring again; if the deviation exists, adjusting again until the technical requirement is met;
C9. and after the centering adjustment of the speed reducer is finished, arranging detection data and filling a detection report.
Claims (3)
1. The method for centering and aligning the vertical speed reducer and the roll box is characterized by comprising the following steps of:
A. preparing work and working conditions;
B. preparing labor force, main operation machinery and tools;
C. centering and aligning
C1. Selecting a program for centering a horizontal machine shaft built in a laser centering instrument;
C2. installing a pair of laser emitter units and measuring the distance between the two laser emitters;
C3. checking the installation, positioning and centering conditions of the detector, and checking a data connecting line of the host;
C4. aligning and centering a coupler, and measuring radial displacement or radial gap coaxiality influencing coaxiality and angular displacement or axial gap influencing parallelism; for a vertical speed reducer, the parallelism must be adjusted first, and then the coaxiality must be adjusted;
C5. centering measurement is started, the alignment of the vertical speed reducer is carried out, the laser centering instrument does not have a corresponding program, the obtained adjustment data cannot be directly used as a basis, the adjustment data needs to be recalculated, and at the moment, the step-by-step adjustment is carried out by adopting a slow approach method;
C6. an adjusting step:
firstly, according to the opening data value of one direction measured by a laser centering instrument: and/100 is the offset value of the reducer in the vertical direction,
calculating an adjustment value △ (L/100), wherein L is the diameter of the reducer, the adjustment amount is △/2, the shim with the thickness corresponding to that of one end is increased and the shim with the thickness corresponding to that of the other end is decreased,
according to the opening data value of the other vertical direction measured by the instrument again: /100
Calculating an adjustment value △ of (L/100), wherein the adjustment amount is △/2, and the shims with corresponding thicknesses are added at one end and reduced at the other end for adjustment,
repeatedly carrying out the operation of the adjusting step until the parallelism of the two vertical directions meets the requirement;
C7. adjusting the coaxiality after the parallelism is adjusted, and adjusting the position of the speed reducer through left-right translation according to a deviation value △ h measured by the laser centering instrument until the deviation values in two vertical directions reach the coaxiality requirement;
C8. after all data are adjusted, fastening bolts, and then measuring parallelism and coaxiality again; if the deviation exists, adjusting again until the technical requirement is met;
C9. and after the centering adjustment of the speed reducer is finished, arranging detection data and filling a detection report.
2. The method for centering and aligning the vertical speed reducer and the roller box according to claim 1, wherein: A. the work preparation and work conditions include:
A1. before working, maintenance of a centering instrument is well done, and the stability of centering work is ensured;
A2. before work, the maintenance party needs to make preparation work of tools and tools;
A3. determining the maintenance process requirement before working: retaining the baffle when the speed reducer is disassembled, or retaining marks at the position of the baffle; in addition, the sizing blocks used by the speed reducers and the motor equipment are marked mutually, so that the efficiency is improved when the speed reducers and the motor equipment are installed.
3. The method for centering and aligning the vertical speed reducer and the roller box according to claim 1, wherein: B. the labor, main working machine and tool preparation comprises:
B1. labor force: measuring personnel, bench workers and hoisting;
B2. main working machines and tools: 1 laser centering instrument, 2 hydraulic jack and jack-up instrument, bench worker's instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810900210.4A CN108801180B (en) | 2018-08-09 | 2018-08-09 | Method for centering and aligning vertical speed reducer and roll box |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810900210.4A CN108801180B (en) | 2018-08-09 | 2018-08-09 | Method for centering and aligning vertical speed reducer and roll box |
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| Publication Number | Publication Date |
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| CN108801180A CN108801180A (en) | 2018-11-13 |
| CN108801180B true CN108801180B (en) | 2020-07-31 |
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| CN109675932B (en) * | 2018-12-21 | 2021-01-12 | 首钢京唐钢铁联合有限责任公司 | Method for aligning and centering electromagnetic clutch |
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| CN103591909B (en) * | 2013-10-12 | 2016-03-02 | 酒泉钢铁(集团)有限责任公司 | The Simple calibration method of laser alignment instrument |
| CN104111042A (en) * | 2014-08-12 | 2014-10-22 | 太仓斯普宁精密机械有限公司 | Device for detecting coaxiality of shaft parts by use of laser |
| CN107634614A (en) * | 2016-07-18 | 2018-01-26 | 鞍钢股份有限公司 | Rapid installation and centering method for motor |
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