CN101793497A - Method for measuring boring bar cantilever value by laser calibration apparatus - Google Patents
Method for measuring boring bar cantilever value by laser calibration apparatus Download PDFInfo
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- CN101793497A CN101793497A CN 201010121089 CN201010121089A CN101793497A CN 101793497 A CN101793497 A CN 101793497A CN 201010121089 CN201010121089 CN 201010121089 CN 201010121089 A CN201010121089 A CN 201010121089A CN 101793497 A CN101793497 A CN 101793497A
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Abstract
The invention discloses a method for measuring a boring bar cantilever value by a laser calibration apparatus, which comprises the following steps of: firstly, arranging and fixing two middle supports installed on a boring bar on a platform, and marking two datum points and four measuring points on the boring bar; secondly, horizontally fixing the launching end of the laser calibration apparatus at the outer side of the boring bar, regulating the laser calibration apparatus to the height suitable for the receiving end of the laser calibration apparatus can receive signals and switching on a laser launching switch; thirdly, horizontally moving the receiving end of laser calibration apparatus between the datum points and the measuring points, sequentially measuring the height of each point and recording the height in a computer which is connected with the laser calibration apparatus; fourthly, comparing measurement data and datum point measurement data by the computer, wherein a deviation value is a cantilever value, and jacking up the measuring points at both ends of the boring bar by a threaded jack to push the cantilever value to zero; and fifthly, measuring deviation values from the datum points and the measuring points to the both ends of the boring bar twice or three times, wherein the value with the minimum deviation is a final measurement result. The invention enhances the precision of boring processing and realizes high-precision assembly of a stern tube and a stern shaft of a boat.
Description
Technical field
The present invention relates to the method for the interior antero posterior axis bearing bore hole process control of marine stern axle tube accurate to dimension with measuring boring bar cantilever value by laser calibration apparatus.
Background technology
In the shipbuilding process, the front and back bearings position needs on-the-spot bore hole processing in the marine stern axle tube, for the roughness of the antero posterior axis bearing endoporus after guaranteeing to process is
, circularity is not more than 0.04mm, and cylindricity is not more than 0.04mm.The axial location dimensional discrepancy of antero posterior axis bearing end face is not more than 15mm.The adjacent step right alignment of stern pipe is not more than 0.025mm, antero posterior axis bearing right alignment is not more than the process technology requirement of 0.15mm, the stern tube shaft pipe must accurately be measured the cantilever value of boring bar before bore hole, in the process that boring bar is installed, the boring bar cantilever value of measuring is eliminated then, avoided the influence that front and back bearings position bore hole in the stern tube shaft pipe is produced because of the boring bar lower flexure strain by set up the intermediate supports device in the boring bar middle part.The measuring method of boring bar (we use be the boring bar of φ 203mm * 6500mm) cantilever value was with v block boring bar level pad to be placed on the macrotype platform in the past, with the right angle surveyor's staff boring bar cantilever value is measured, this measuring method not only requires levelling bench that enough length and width sizes are arranged, and (the mean level platform is of a size of 2000mm * 4000mm), and it is strict to the flatness (flatness tolerance reaches 0.02mm/M at least) and the roughness of levelling bench, through practice test, even the result who measures like this is because the accumulative total of error also can produce very big influence to the circularity and the cylindricity of front and back bearings in the stern tube shaft pipe.
Summary of the invention
The technical problem to be solved in the present invention, it is accurate to provide a kind of measurement, can eliminate because of measuring the influence that cumulative errors needs circularity, cylindricity and the right alignment at the front and back bearings position of on-the-spot bore hole processing to produce to marine stern axle tube indirectly, make boring bar have the method that good linearity solves the measuring boring bar cantilever value by laser calibration apparatus that in the shipbuilding process stern tube shaft pipe bore hole machining precision is exerted an influence.
The technical scheme that adopts is:
The method institute application apparatus of measuring boring bar cantilever value by laser calibration apparatus, comprise laser regulator, band lower margin groove platform, be fixed on bow end intermediate supports device and stern end intermediate supports device in the platform lower margin groove, be placed on mounting and screw thread lifting jack and v block, level meter, dial gauge and computing machine on the platform.
The method of measuring boring bar cantilever value by laser calibration apparatus comprises the steps:
1) before measuring boring bar cantilever value, with being housed, the bow end intermediate supports device of bearing and stern end intermediate supports device and cutter head be installed in the boring bar desired location, and to carry out reference point on boring bar be the C point, D point and measurement point A point, the B point, the mark that E point and F are ordered, bow stern direction when whole boring bar is used according to reality lifts on the platform of band lower margin groove, and the position of bow stern intermediate supports placed two contour v block pads between platform and boring bar, with temporary fastening device the platform of boring bar with band lower margin groove is connected temporarily, the bow end intermediate supports device and the stern end intermediate supports device that will be contained on the boring bar pass through by pressing plate again, the temporary fastening device that screw mandrel and nut are formed is installed on the platform of band lower margin groove, and be fastened on the platform with screw mandrel and the anchor nut that is contained in the lower margin groove, guarantee under the situation that is subjected to the external force effect, not produce displacement.
2) transmitting terminal of laser regulator is fixed in outer end under the cooperation of lateral level away from boring bar, make its luminescent center and plane, boring bar axis place perpendicular to surface level, and adjust transmitting terminal and make each receiving end of laser regulator all can receive emission laser, fixed transmission end and open the Laser emission switch then.
3) laser regulator receiving end and level meter and v block combination, its receiving end places the boring bar top by v block, under the cooperation of level meter, make receiving end center and plane, boring bar axis place perpendicular to surface level, guarantee all can receive the laser beam signal of laser regulator transmitting terminal at the A of boring bar mark point, B point, C point, D point, E point and F point, measure successively then on each point height and with altitude record with computing machine that laser regulator is connected on.
4) according to the straight line degree measurement program that is provided with in the computing machine altitude information of C point and D point measurement is chosen as reference point, it is interim zero point, then the altitude information of A point, B point, E point, F point measurement is compared with the reference point data, the deviate that draws is boring bar cantilever value, select A point, F point record data for use, on A point and F point, set up dial gauge by support, A point and F point place use screw thread lifting jack and v block combination that boring bar cantilever Value Data top is got back to zero on platform, and record dial gauge data are as reference.
5) set by step 4) remeasure the data that A point, B point, C point, D point, E point and F are ordered, the repeated measurement several times, compare as reference with the data that B point, E are ordered, whether the data of checking each point have than great fluctuation process, choose A point and F point data at last as final measurement from a secondary data of each point fluctuation minimum.
The present invention utilizes the accurately function of Measuring Object linearity of laser regulator, solved the technical barrier that in the shipbuilding process stern tube shaft pipe bore hole machining precision is exerted an influence, to be improved building the circularity of product surface, cylindricity, surfaceness, realized the assembling of stern tube shaft pipe and stern tube shaft high precision, shorten construction period, alleviated working strength of workers.
Description of drawings
Fig. 1 is the method synoptic diagram of measuring boring bar cantilever value by laser calibration apparatus.
Fig. 2 is that laser regulator receiving end of the present invention and level meter, v block make up synoptic diagram.
Embodiment
The boring processing of marine stern axle tube bearing propeller boss endoporus, axis coaxle degree in order to ensure each bearing propeller boss, must make boring bar have good linearity, because the diameter of boring bar and length ratio are 1 usually: 25-1: between 40, belong to the elongate rod structure, be difficult in the linearity that guarantees the boring bar axis under the situation of two strong points, so before boring bar is installed and used, need on platform, accurately measure by the linearity (hereinafter referred to as boring bar cantilever value) to the boring bar axis, measure the sag of chain at boring bar strong point place and the cantilever value of boring bar fulcrum external pelivimetry point, when the actual use of boats and ships, in the middle of boring bar, add the strong point then, operating personnel can externally adjust, and reach to eliminate the boring bar amount of deflection, make the purpose of boring bar axis and hull dead in line.
The method institute application apparatus of measuring boring bar cantilever value by laser calibration apparatus, comprise laser regulator, band lower margin groove platform 1, be fixed on bow end intermediate supports device 9 and stern end intermediate supports device 7 in the platform lower margin groove, be placed on mounting 14 and screw thread lifting jack 11 and v block 10,17, level meter 15,16 and dial gauge 13 on the platform.
The method of measuring boring bar cantilever value by laser calibration apparatus comprises the steps:
1) before measuring boring bar cantilever value, with being housed, the bow end intermediate supports device 9 of bearing and stern end intermediate supports device 7 and cutter head 6 be installed in boring bar 2 desired locations, and to carry out reference point on boring bar 2 be the C point, D point and measurement point A point, the B point, the mark (see figure 1) that E point and F are ordered, bow stern direction when whole boring bar is used according to reality lifts on the platform 1 of band lower margin groove, and the position of bow stern intermediate supports placed two contour v block pads between platform and boring bar, with temporary fastening device 8 platform of boring bar with band lower margin groove is connected temporarily, the bow end intermediate supports device 9 and the stern end intermediate supports device 7 that will be contained on the boring bar 2 pass through by pressing plate again, the temporary fastening device 8 that screw mandrel and nut are formed is installed on the platform 1 of band lower margin groove, and be fastened on the platform 1 with screw mandrel and the anchor nut 12 that is contained in the lower margin groove, guarantee under the situation that is subjected to the external force effect, not produce displacement.
2) transmitting terminal 3 of laser regulator is fixed in outer end under the cooperation of lateral level 15 away from boring bar 2, make its luminescent center and plane, boring bar 2 axis place perpendicular to surface level, and adjust transmitting terminal 3 and make each receiving end 4 of laser regulator all can receive emission laser, fixed transmission end and open the Laser emission switch then.
3) laser regulator receiving end 4 and level meter 16 and v block 17 combination (see figure 2)s, its receiving end 4 places boring bar 2 tops by v block 17, under the cooperation of level meter 16, make receiving end 4 centers and plane, boring bar 2 axis place perpendicular to surface level, guarantee all can receive laser beam 5 signals of laser regulator transmitting terminal 3 at the A of boring bar mark point, B point, C point, D point, E point and F point, measure successively then on each point height and with altitude record with computing machine that laser regulator is connected on.
4) according to the straight line degree measurement program that is provided with in the computing machine altitude information of C point and D point measurement is chosen as reference point, it is interim zero point, then the altitude information of A point, B point, E point, F point measurement is compared with the reference point data, the deviate that draws is boring bar cantilever value, select A point, F point record data for use, on A point and F point, set up dial gauge by support 14, A point and F point place use screw thread lifting jack 11 and v block 10 combinations that boring bar cantilever Value Data top is got back to zero on platform, and record dial gauge 13 data are as reference.
5) set by step 4) remeasure the data that A point, B point, C point, D point, E point and F are ordered, the repeated measurement several times, compare as reference with the data that B point, E are ordered, whether the data of checking each point have than great fluctuation process, choose A point and F point data at last as final measurement from a secondary data of each point fluctuation minimum.
The final measurement data of A point and F point is cooperated the adjusting boring bar axis height of bow, stern intermediate supports device, the management of boring bar axis and hull stern tube shaft is coincided by axis.The above is the method for measuring boring bar cantilever value by laser calibration apparatus.
Claims (1)
1. the method for measuring boring bar cantilever value by laser calibration apparatus is characterized in that comprising the steps:
1) before measuring boring bar cantilever value, with being housed, the bow end intermediate supports device (9) of bearing and stern end intermediate supports device (7) and cutter head (6) be installed in boring bar (2) desired location, and to carry out reference point on boring bar (2) be the C point, D point and measurement point A point, the B point, the mark that E point and F are ordered, bow stern direction when whole boring bar is used according to reality lifts on the platform (1) of band lower margin groove, and the position of bow stern intermediate supports placed two contour v block pads between platform and boring bar, with temporary fastening device (8) platform of boring bar with band lower margin groove is connected temporarily, the bow end intermediate supports device (9) and the stern end intermediate supports device (7) that will be contained on the boring bar (2) pass through by pressing plate again, the temporary fastening device (8) that screw mandrel and nut are formed is installed on the platform (1) of band lower margin groove, and be fastened on the platform (1) with screw mandrel and the anchor nut (12) that is contained in the lower margin groove, guarantee under the situation that is subjected to the external force effect, not produce displacement;
2) transmitting terminal (3) of laser regulator is fixed in outer end under the cooperation of lateral level (15) away from boring bar (2), and its luminescent center overlapped with the boring bar center, and adjust transmitting terminal (3) and make each receiving end of laser regulator (4) all can receive emission laser, fixed transmission end and open the Laser emission switch then;
3) laser regulator receiving end (4) and level meter (16) and v block (17) combination, its receiving end (4) places boring bar (2) top by v block (17), under the cooperation of level meter (16), make receiving end (4) center and plane, boring bar (2) axis place perpendicular to surface level, guarantee all can receive laser beam (5) signal of laser regulator transmitting terminal (3) at the A of boring bar mark point, B point, C point, D point, E point and F point, measure successively then on each point height and with altitude record with computing machine that laser regulator is connected on;
4) according to the straight line degree measurement program that is provided with in the computing machine altitude information of C point and D point measurement is chosen as reference point, it is interim zero point, then the altitude information of A point, B point, E point, F point measurement is compared with the reference point data, the deviate that draws is boring bar cantilever value, select A point, F point record data for use, on A point and F point, set up dial gauge by support (14), A point and F point place use screw thread lifting jack (11) and v block (10) combination that boring bar cantilever Value Data top is got back to zero on platform, and record dial gauge (13) data are as reference;
5) set by step 4) remeasure the data that A point, B point, C point, D point, E point and F are ordered, the repeated measurement several times, compare as reference with the data that B point, E are ordered, whether the data of checking each point have than great fluctuation process, choose A point and F point data at last as final measurement from a secondary data of each point fluctuation minimum.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101210899A CN101793497B (en) | 2010-03-10 | 2010-03-10 | Method for measuring boring bar cantilever value by laser calibration apparatus |
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| CN2010101210899A CN101793497B (en) | 2010-03-10 | 2010-03-10 | Method for measuring boring bar cantilever value by laser calibration apparatus |
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| CN101793497B CN101793497B (en) | 2011-08-24 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102830718A (en) * | 2012-09-14 | 2012-12-19 | 中南大学 | Automatic accurate positioning method for large workpiece |
| CN105478918A (en) * | 2016-01-25 | 2016-04-13 | 南京宝泰特种材料股份有限公司 | Roller tooth profile processing method |
| CN107030309A (en) * | 2015-10-19 | 2017-08-11 | 肯纳金属公司 | For the method and apparatus for the centre-height for being directed at boring bar |
| CN110207624A (en) * | 2019-07-11 | 2019-09-06 | 江南造船(集团)有限责任公司 | A kind of boring row linearity measurer peculiar to vessel and measurement method |
| CN112880615A (en) * | 2021-01-16 | 2021-06-01 | 中铁城投工程技术有限公司 | Reinforcing steel bar quality detection device and using method thereof |
| CN113798916A (en) * | 2021-10-23 | 2021-12-17 | 渤海船舶重工有限责任公司 | Horizontal positioning and sinking detection compensation method for marine multi-pivot boring bar |
| CN114367870A (en) * | 2021-12-30 | 2022-04-19 | 武昌船舶重工集团有限公司 | Positioning tool and boring positioning method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2000892C1 (en) * | 1990-03-11 | 1993-10-15 | Владимир Васильевич Вождаенко | Preliminary loaded mandrel |
| US6058816A (en) * | 1997-02-28 | 2000-05-09 | General Dynamics Advanced Technology Systems | Actively controllable support device for a cantilever beam |
| RU2212985C2 (en) * | 2001-08-29 | 2003-09-27 | Открытое акционерное общество "Станкотехника" АК "Туламашзавод" | Method for making rectangular openings, cutter mandrel, cutter |
| CN1775434A (en) * | 2005-12-01 | 2006-05-24 | 渤海船舶重工有限责任公司 | Marine stern axle tube boring technological equipment erecting process |
-
2010
- 2010-03-10 CN CN2010101210899A patent/CN101793497B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2000892C1 (en) * | 1990-03-11 | 1993-10-15 | Владимир Васильевич Вождаенко | Preliminary loaded mandrel |
| US6058816A (en) * | 1997-02-28 | 2000-05-09 | General Dynamics Advanced Technology Systems | Actively controllable support device for a cantilever beam |
| RU2212985C2 (en) * | 2001-08-29 | 2003-09-27 | Открытое акционерное общество "Станкотехника" АК "Туламашзавод" | Method for making rectangular openings, cutter mandrel, cutter |
| CN1775434A (en) * | 2005-12-01 | 2006-05-24 | 渤海船舶重工有限责任公司 | Marine stern axle tube boring technological equipment erecting process |
Non-Patent Citations (1)
| Title |
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| 《Transactions of Nanjing University of Aeronautics & Astronautics》 19980630 Chui W M,Gao D,L am F W MPROVEMENT OF MACHINING ACDURACY OF CANTILEVER BORING BAR SYSTEM USING PIEZOELECTRIC ACTUATOR 54-58 1 第15卷, 第1期 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102830718A (en) * | 2012-09-14 | 2012-12-19 | 中南大学 | Automatic accurate positioning method for large workpiece |
| CN102830718B (en) * | 2012-09-14 | 2015-01-21 | 中南大学 | Automatic accurate positioning method for large workpiece |
| CN107030309A (en) * | 2015-10-19 | 2017-08-11 | 肯纳金属公司 | For the method and apparatus for the centre-height for being directed at boring bar |
| CN105478918A (en) * | 2016-01-25 | 2016-04-13 | 南京宝泰特种材料股份有限公司 | Roller tooth profile processing method |
| CN110207624A (en) * | 2019-07-11 | 2019-09-06 | 江南造船(集团)有限责任公司 | A kind of boring row linearity measurer peculiar to vessel and measurement method |
| CN112880615A (en) * | 2021-01-16 | 2021-06-01 | 中铁城投工程技术有限公司 | Reinforcing steel bar quality detection device and using method thereof |
| CN112880615B (en) * | 2021-01-16 | 2022-08-09 | 中铁城投工程技术有限公司 | Reinforcing steel bar quality detection device and using method thereof |
| CN113798916A (en) * | 2021-10-23 | 2021-12-17 | 渤海船舶重工有限责任公司 | Horizontal positioning and sinking detection compensation method for marine multi-pivot boring bar |
| CN113798916B (en) * | 2021-10-23 | 2023-07-28 | 渤海船舶重工有限责任公司 | Horizontal positioning and sinking amount detection compensation method for marine multi-fulcrum boring bar |
| CN114367870A (en) * | 2021-12-30 | 2022-04-19 | 武昌船舶重工集团有限公司 | Positioning tool and boring positioning method |
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| Publication number | Publication date |
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| CN101793497B (en) | 2011-08-24 |
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