CN100392350C - Coaxial measuring tool and measuring method - Google Patents
Coaxial measuring tool and measuring method Download PDFInfo
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- CN100392350C CN100392350C CNB2004100829285A CN200410082928A CN100392350C CN 100392350 C CN100392350 C CN 100392350C CN B2004100829285 A CNB2004100829285 A CN B2004100829285A CN 200410082928 A CN200410082928 A CN 200410082928A CN 100392350 C CN100392350 C CN 100392350C
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Abstract
The present invention relates to a measurement tool and a measurement method for the coaxiality of an axial line of a ship main engine and an axial line between a bow basic point and a stern basic point. The measurement tool comprises two identical bow light pipes and stern light pipes, two light targets, four light target brackets, two bow basic point target sheet brackets and stern basic point target sheet brackets, two axial line positioning reference tools and a positioning shaft of an internal diameter micrometer. The measurement steps are as follows: the bow basic point target sheet brackets and the stern basic point target sheet brackets are respectively arranged on the bow basic point and the stern basic point of a ship to be positioned; a bow and stern reference axial line is established by a micro-measurement and collimation telescope; the light targets are respectively arranged at the front ends and the rear ends of the bow light pipes and the stern light pipes in a main axial pipe; the upper brackets of the bow light pipes and the stern light pipes are adjusted by the telescope to make the centers of the light targets on the bow light pipes and the stern light pipes arranged on the bow reference axial line and the stern reference axial line; the reference points are finally positioned by the axial lines to process the main axial pipe; the bow axial line and the stern axial line of a main axial hole are determined by the telescope; the deflection of the middle points of the axial lines is read according to the bow axial line and the stern axial line, and the coaxiality is obtained. The present invention has the advantages of accurate main axial positioning and high work efficiency, and satisfies users' requirements.
Description
(1) technical field
The present invention relates to the measurement of right alignment, particularly relate to the measurement mechanism and the measuring method of the datum axis right alignment of setting between given basis points of head of marine main engine axis and boats and ships and the basis points of tail.
(2) background technology
The shafting of main engine location and installation of boats and ships is extremely important in shipbuilding, building various boats and ships main shafts at present is that the location majority also prolongs with original backguy method, promptly the finer wire with Ф 0.5mm connects given basis points of head of hull and basis points of tail, adjust as the axis of main frame with this root wire then, this method right alignment is poor, directly influences main frame efficient and energy consumption etc. with axis error.Main frame adjustment process labour intensity is big, inefficiency.Be in open work in addition, can't operation as strong wind weather.The steel wire sag of chain is a uncertain factor, and steel wire sag of chain as calculated can be inaccurate yet, and final products hand over inspection not directly perceived, causes easily with the shipowner and disagrees unfavorable market competition.
(3) summary of the invention
The technical problem to be solved in the present invention provides a kind of measurement mechanism and measuring method that solves the high precision right alignment of marine main engine axis and bow stern datum axis coaxial positioning.
The technical scheme that adopts is:
The measurement mechanism of right alignment comprises stern end light pipe, bow end light pipe, light target, light target support, basis points of head target plate rack, basis points of tail target plate rack, special-purpose micrometer inside caliper locating shaft and axis positioning reference piece.The stern end light pipe of described measurement mechanism is identical with bow end light-pipe structure, basis points of head target plate rack is identical with basis points of tail target plate rack structure, at least be provided with two light targets, light target is contained in the termination, both sides of stern end light pipe and bow end light pipe interchangeably, all be set with a pair of light target support on stern end light pipe and the bow end light pipe, and be fixed with the interior supporting screw of light target support setting, respectively by a pair of light target support on the stern end light pipe and a pair of light target support on the bow end light pipe with stern end light pipe and bow end light pipe pack into spindle tube or main shaft axis hole, be fixed in spindle tube or the main shaft axis hole with the outer support jackscrew of light target support setting.Special-purpose micrometer inside caliper locating shaft, its locating shaft matches with the light pipe internal diameter, be equiped with the milscale extension bar of vertical its axis on the locating shaft, micrometer inside caliper differential head can be threaded on the milscale extension bar, milscale extension bar extension elongation can be contained in locating shaft in bow end light pipe and the stern end light pipe when the spindle tube centralized positioning by locking screw retention on the locating shaft.Axis positioning reference piece is provided with center pit, lay a plurality of adjustable screws on the same circumference that axis positioning reference piece lateral surface sets, when the spindle tube axis is located, a pair of axis positioning reference piece is fixed on the spindle tube two ends as the final positioning reference of axis.Described basis points of head target plate rack and basis points of tail target plate rack are provided with adjusts target sheet screw, and two bow basis points of tail target plate racks are contained in basis points of head and the basis points of tail place on the hull, above-mentioned formation coaxality measuring mechanism respectively.
Lay four adjustable screws on the same circumference that above-mentioned axis locating piece lateral surface sets as the final positioning reference point of axis.
The measuring method of right alignment comprises the following steps:
1, two bow basis points of tail target plate racks that basic point target sheet is housed respectively is placed on basis points of head given on the hull and basis points of tail location respectively, adjust basic point target sheet center and basis points of head and basis points of tail respectively and align, set up micr-alignment telescope and to its adjustment make it with basis points of head, basis points of tail set up a bow stern datum axis.
2, be contained in stern end light pipe front-end and back-end in the spindle tube with two respectively through alignment target target light targets, utilize micr-alignment telescope to adjust respectively to be contained in the interior supporting screw on the light target support before and after the stern end light pipe, the center and the light target center, rear end that are contained in stern end light pipe front end light target are respectively placed on the above-mentioned bow stern datum axis.
3, be contained in bow end light pipe front-end and back-end in the spindle tube with two respectively through alignment target target light targets again, utilize micr-alignment telescope to adjust respectively to be contained in the interior supporting screw on the light target support before and after the bow end light pipe, the center and the light target center, rear end that are contained in bow end light pipe front end light target are respectively placed on the above-mentioned bow stern datum axis.
4, the axis positioning reference piece of two preparations is fixed with the spindle tube two ends respectively, according to alignment light pinwheel and the concentric principle of bow stern end light pipe, special-purpose micrometer inside caliper locating shaft is placed on respectively in stern end light pipe and the bow end light pipe, on the axis positioning reference piece at spindle tube two ends, make a plurality of reference points of the final location of spindle tube axis with micrometer inside caliper differential head, described bow stern datum axis is defined as the axis of main frame.
5, a plurality of reference points according to the final location of axis on the axis positioning reference piece at above-mentioned spindle tube two ends process the main shaft axis hole coaxial with bow stern datum axis with spindle tube.
6, in the main shaft axis hole that processes, set up stern end light pipe and bow end light pipe again, find out successively with the micrometer inside caliper differential head on the special-purpose micrometer inside caliper locating shaft and be positioned at stern end light pipe front end, bow end light pipe rear end, stern end light pipe rear end, bow end light pipe front end main shaft axis hole center everywhere.
7, set up micr-alignment telescope and utilize micr-alignment telescope and light target again, with stern end light pipe front end main shaft axis hole center and main shaft axis hole center, bow end light pipe rear end is that benchmark is set up an axis, read main shaft axis hole center, stern end light pipe rear end and the misalignment of axe X that is set up with micr-alignment telescope, read a bow end light pipe front end main shaft axis hole center and a misalignment of axe Y who is set up.
8, record and calculating right alignment r:
r＝(X
2+Y
2)
1/2
The present invention can be used for the marine shafting coaxality measurement, and advantage is that axle is accurate positioning, need not the main frame adjustment during installation, and high efficiency alleviates workmen's labour intensity, satisfies customer requirements, favourable market competition.
(4) description of drawings
Fig. 1 is a measurement mechanism arrangenent diagram of the present invention.
Fig. 2 is bow of the present invention, stern end light pipe device structural representation.
Fig. 3 is a light target apparatus structure synoptic diagram of the present invention.
Fig. 4 is a light target holder device structural representation of the present invention.
Fig. 5 is a bow basis points of tail target plate rack apparatus structure synoptic diagram of the present invention.
Fig. 6 is the special-purpose micrometer inside caliper locating shaft of the present invention apparatus structure synoptic diagram.
Fig. 7 is an axis positioning reference block structure synoptic diagram of the present invention.
(5) embodiment
The measurement mechanism of right alignment and measuring method, surveying instrument comprise micr-alignment telescope 1 and annex thereof, and annex comprises Φ 57.14mm, height 20mm, precision 2 " optics target sheet, set up the support of micr-alignment telescope, horizontal tray and special-purpose illuminating lamp source.
The measurement mechanism of right alignment comprises stern end light pipe 6, bow end light pipe 7, light target 4, light target support 5, basis points of tail target plate rack 2, basis points of head target plate rack 8, special-purpose micrometer inside caliper locating shaft 13 and axis positioning reference piece 3.Described stern end light pipe 6 is identical with bow end light pipe 7 structures, and basis points of tail target plate rack 2 is identical with basis points of head target plate rack 8 structures.Two light targets 4 in measuring pre-installed the above instrument annex optics target sheet and 0 grade of v block in the instrument room on calibrate, basis points of head and tail target sheet is installed on basis points of tail target plate rack 2 and basis points of head target plate rack 8.Two light targets 4 are contained in the termination, both sides of stern end light pipe 6 and bow end light pipe 7 interchangeably, stern end light pipe 6 and bow end light pipe 7 all are set with a pair of light target support 5, with the interior supporting screw 11 that light target support 5 is provided with that stern end light pipe 6 and bow end light pipe 7 is fixing, stern end light pipe 6 and bow end light pipe 7 are packed in spindle tube 9 or the main shaft axis hole by a pair of light target support 5 on the stern end light pipe 6 and a pair of light target support 5 on the bow end light pipe 7 respectively, and the outer support jackscrew 10 that is provided with light target support 5 is fixed in spindle tube 9 or the main shaft axis hole.Axis positioning reference piece 3 is provided with center pit, lay a plurality of adjustable screws 16 as the final positioning reference of axis on the same circumference that axis positioning reference piece 3 lateral surfaces set, adjustable screw 16 is fixed on the same circumference of axis positioning reference piece 3 lateral surfaces setting with its nut.Described basis points of tail target plate rack 2 and basis points of head target plate rack 8 are provided with and adjust 12, two sterns of target sheet screw, basis points of head target plate rack 2,8 is contained in basis points of tail I given on the hull and basis points of head VI place respectively.To install with special-purpose micrometer inside caliper locating shaft 13 when needing centralized positioning in the measuring process, micrometer inside caliper locating shaft 13 matches with the internal diameter of stern end light pipe 6 and bow end light pipe 7, the milscale extension bar 14 of vertical its axis is housed on the micrometer inside caliper locating shaft 13, milscale extension bar 14 extension elongations can be fixing by the lock-screw on the micrometer inside caliper locating shaft 13 15, micrometer inside caliper differential head can be threaded on the milscale extension bar 14, when spindle tube 9 centralized positionings micrometer inside caliper locating shaft 13 is contained in stern end light pipe 6 and the bow end light pipe 7.It is designed that said apparatus is the measurement of right alignment.
The measuring method of right alignment comprises the following steps:
1, the basis points of tail target plate rack 2 of basic point target sheet and basis points of head target plate rack 8 will be housed and be placed on basis points of tail I given on the hull and location, basis points of head VI place respectively, adjust the adjustment target sheet screw 12 on basis points of tail target plate rack 2 and the basis points of head target plate rack 8 respectively, basic point target sheet center and basis points of tail I and basis points of head VI are aligned, establish micr-alignment telescope 1 and adjust support and carriage makes it to set up a bow stern datum axis with basis points of tail I, basis points of head VI at the stern bogie side frame of hull.
2, with two front end II place and rear end III places that are contained in the stern end light pipe 6 in the spindle tube 9 through alignment target target light target 4 respectively, utilize micr-alignment telescope 1 to adjust respectively and be contained in the interior supporting screw 11 that light target support 5 is located in stern end light pipe 6 front and back ends, the center that is contained in the light target 4 of front and back end in the stern end light pipe 6 is respectively placed on the bow stern datum axis.
3, two alignment target target light targets 4 are contained in the front end IV place and the rear end V place of bow end light pipe 7 in the spindle tube 9 respectively, utilize micr-alignment telescope 1 to adjust respectively to be contained in place, bow end light pipe 7 front and back ends light target support 5 in establish supporting screw 11, the center that is contained in the light target 4 of front and back end in the bow end light pipe 7 is respectively placed on the bow stern datum axis.
4, the axis positioning reference piece 3 of two preparations is fixed with spindle tube 9 two ends respectively, according to calibration light target 4 centers and bow, stern end light pipe 7,6 concentric principles, special-purpose micrometer inside caliper locating shaft 13 is placed on respectively in stern end light pipe 6 and the bow end light pipe 7, on the axis positioning reference piece 3 at spindle tube 9 two ends, make four reference points of the final location of spindle tube 9 axis with micrometer inside caliper differential head, promptly four terminations as the adjustable screw 16 of the final positioning reference of axis are fixed on described four reference points, make bow stern datum axis become the axis of main frame like this.
5, according to final four reference points of locating of the axis of above-mentioned spindle tube 9 spindle tube 9 is processed the main shaft axis hole coaxial with bow stern datum line.
6, in the main shaft axis hole that processes, set up stern end light pipe 6 and bow end light pipe 7 again, pack in stern end light pipe 6 and the bow end light pipe 7 with special-purpose micrometer inside caliper locating shaft 13, adjust milscale extension bar 14, find out successively respectively with the micrometer inside caliper on the milscale extension bar 14 and to be positioned at stern end light pipe 6 front end II places, V place, bow end light pipe 7 rear end, III place, stern end light pipe 6 rear end, main shaft axis hole center, bow end light pipe 7 front end IV place, also the main shaft axis hole center at main shaft axis hole II place, V place, III place, IV place.
7, set up micr-alignment telescope 1 and utilize micr-alignment telescope 1 and light target 4 again, with stern end light pipe 6 main shaft axis hole centers, front end II place and main shaft axis hole center, V place, bow end light pipe 7 rear end is that benchmark is set up an axis, reads main shaft axis hole center, III place, stern end light pipe rear end and the misalignment of axe X that is set up, reads main shaft axis hole center, bow end light pipe 7 front end IV place and the misalignment of axe Y that is set up with micr-alignment telescope 1 again.
8, calculate right alignment r:r=(X
2+ Y
2)
1/2
Claims (3)
1. the measurement mechanism of right alignment, comprise stern end light pipe (6) and bow end light pipe (7), light target (4), light target support (5), basis points of head target plate rack (8), basis points of tail target plate rack (2), special-purpose micrometer inside caliper locating shaft (13) and axis positioning reference piece (3), it is characterized in that described measurement mechanism is provided with two light targets (4) at least, light target (4) is contained in the termination, both sides of stern end light pipe (6) and bow end light pipe (7) interchangeably, all be set with a pair of light target support (5) on stern end light pipe (6) and the bow end light pipe (7), with the interior supporting screw (11) that light target support (5) is provided with that stern end light pipe (6) and bow end light pipe (7) is fixing, by a pair of light target support (5) on the stern end light pipe (6) and a pair of light target support (5) on the bow end light pipe (7) pack into spindle tube (9) or main shaft axis hole, the outer support jackscrew (10) that is provided with light target support (5) is fixed in spindle tube (9) or the main shaft axis hole respectively; Special-purpose micrometer inside caliper locating shaft (13) matches with stern, bow end light pipe (6), (7) internal diameter, be equiped with the milscale extension bar (14) of vertical its axis on the micrometer inside caliper locating shaft (13), micrometer inside caliper differential head can be threaded on the milscale extension bar (14), it is fixing that milscale extension bar (14) extension elongation can go up lock-screw (15) by micrometer inside caliper locating shaft (13), when spindle tube (9) centralized positioning micrometer inside caliper locating shaft (13) is contained in bow end light pipe (7) and the stern end light pipe (6); Described axis positioning reference piece (3) is provided with center pit, lay a plurality of adjustable screws (16) on the same circumference that axis positioning reference piece (3) lateral surface sets as the final positioning reference of axis, described basis points of tail target plate rack (2) and basis points of head target plate rack (8) are provided with basic point target sheet and adjust screw (12), and two basis points of head and tail target plate racks (2), (8) are contained in basis points of head I and the basis points of tail VI place on the hull respectively.
2. the measurement mechanism of right alignment according to claim 1 is characterized in that laying four adjustable screws as the final positioning reference point of axis (16) on the same circumference that described axis positioning reference piece (3) lateral surface sets.
3. the measuring method of right alignment, its feature comprises the following steps:
A, two basis points of head and tail target plate racks (8), (2) that basic point target sheet is housed respectively are placed on basis points of head VI given on the hull and basis points of tail I location respectively, adjust basic point target sheet center and basis points of head VI and basis points of tail I respectively and align, set up micr-alignment telescope (1) and its adjustment is made it to set up a bow stern datum axis with basis points of head VI, basis points of tail I;
B, two (II) that are contained in stern end light pipe (6) front end in the spindle tube (9) respectively through alignment target target light targets (4) are located and rear end (III) locates, utilize micr-alignment telescope (1) to adjust respectively to be contained in the interior supporting screw (11) on the light target support (5) at place, stern end light pipe (6) front and back end, the center that is contained in front and back end light target (4) in the stern end light pipe (6) is respectively placed on the above-mentioned bow stern datum axis;
C, two are contained in respectively through alignment target target light targets (4) bow end light pipe front end (IV) in the spindle tube (9) is located and rear end (V) locates again, utilize micr-alignment telescope (1) to adjust respectively to be contained in the interior supporting screw (11) on the light target support (5) at place, bow end light pipe (7) front and back end, the center that is contained in front and back end light target (4) in the bow end light pipe (7) is respectively placed on the above-mentioned bow stern datum axis;
D, the axis positioning reference piece (3) of two preparations is fixed with spindle tube (9) two ends respectively, according to calibration light target (4) center and bow, stern end light pipe (7), (6) concentric principle, special-purpose micrometer inside caliper locating shaft (13) is placed on respectively in stern end light pipe (6) and the bow end light pipe (7), on the axis positioning reference piece (3) at spindle tube (9) two ends, make a plurality of reference points of the final location of spindle tube (9) axis with micrometer inside caliper differential head, bow stern datum axis is defined as the axis of main frame;
E, go up a plurality of reference points of the final location of axis, spindle tube (9) is processed the main shaft axis hole coaxial with bow stern datum axis according to the axis positioning reference piece (3) at above-mentioned spindle tube (9) two ends;
F, in the main shaft axis hole that processes, set up stern end light pipe (6) and bow end light pipe (7) again, find out successively with the micrometer inside caliper differential head on the special-purpose micrometer inside caliper locating shaft (13) and be positioned at that stern end light pipe (6) front end (II) is located, bow end light pipe (7) rear end (V) is located, stern end light pipe (6) rear end (III) is located, bow end light pipe (7) front end (IV) is located main shaft axis hole center;
G, set up micr-alignment telescope (1) and utilize micr-alignment telescope (1) and light target (4) again, locating main shaft axis hole center and bow end light pipe (7) rear end (V) with stern end light pipe (6) front end (II), to locate main shaft axis hole center be that benchmark is set up an axis, read stern end light pipe (6) rear end (III) with micr-alignment telescope (1) and locate main shaft axis hole center and the misalignment of axe X that is set up, read bow end light pipe (7) front end (V) and locate main shaft axis hole center and the misalignment of axe Y that is set up;
H, record and calculating right alignment r:r=(X
2+ Y
2)
1/2
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100829285A CN100392350C (en) | 2004-12-13 | 2004-12-13 | Coaxial measuring tool and measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100829285A CN100392350C (en) | 2004-12-13 | 2004-12-13 | Coaxial measuring tool and measuring method |
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| CN1624422A CN1624422A (en) | 2005-06-08 |
| CN100392350C true CN100392350C (en) | 2008-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2004100829285A Expired - Fee Related CN100392350C (en) | 2004-12-13 | 2004-12-13 | Coaxial measuring tool and measuring method |
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| CN (1) | CN100392350C (en) |
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| CN101858721A (en) * | 2010-04-30 | 2010-10-13 | 合肥熔安动力机械有限公司 | Auxiliary support for centering tool |
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| CN100383490C (en) * | 2005-12-01 | 2008-04-23 | 渤海船舶重工有限责任公司 | Main engine axis positioning method and measuring device |
| CN102305606A (en) * | 2011-07-21 | 2012-01-04 | 中信重工机械股份有限公司 | Method for detecting coaxiality of cylindrical surfaces with large diameter |
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| Publication number | Publication date |
|---|---|
| CN1624422A (en) | 2005-06-08 |
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