Main engine axis positioning method and measurement mechanism
(1) technical field
The present invention relates to the spatial axis location survey, particularly relate to marine main engine axis localization method and measurement mechanism.
(2) background technology
The host computer system of boats and ships is propulsion system of boats and ships, be the cardiac component of boats and ships, so the location and installation of main frame is most important.During the main frame location and installation, the stern tube shaft axis hole is completion of processing, and is connected to an integral body with hull, and main frame installation requirement main engine axis is coaxial with the stern tube shaft axis hole center line that processes.Because the axial line light path of main frame can't be passed through, so can't finish with common optical method for measuring right alignment, especially needs a kind of new method to solve this problem.
(3) summary of the invention
The technical problem to be solved in the present invention provides the main engine axis positioning method and the measurement mechanism of a kind of suitable spatial axes, hole right alignment location survey.
The technical scheme that adopts is:
Main engine axis positioning method and measurement mechanism are to adopt micr-alignment telescope and annex thereof and the measurement mechanism laid along the light path of its setting and realize the main engine axis location.The micr-alignment telescope annex comprises optics target sheet and right angle eyepiece.The main engine axis positioning measuring device comprises that two identical light pipe, sleeve pipe, light target, light target support, special-purpose micrometer inside caliper locating shaft, main engine axis positioning tools of structure reach the dummy shaft that matches with sleeve pipe.Described light target is provided with two at least, optics target sheet is installed in the light target, light target is installed in light pipe one end, light pipe all is set with a pair of light target support, respectively by the manufactured stern tube shaft axis hole front-end and back-end of packing into of light target support separately, outer support jackscrew with the setting of light target support is fixed in the stern tube shaft axis hole, establishes the adjustment screw of adjusting light pipe in the light target support, adjusts screw adjustment, fixing pack into light pipe position in the light target support with it.Described special-purpose micrometer inside caliper locating shaft matches with the light pipe internal diameter, be equiped with the milscale extension bar of vertical its axis on its locating shaft, micrometer inside caliper differential head can be threaded on the milscale extension bar, and milscale extension bar extension elongation can be by locking screw retention on the locating shaft.Described main engine axis positioning tool one end is connected with main frame main spindle box output shaft, the other end sleeve pipe of packing into, and control the position of sleeve pipe by the adjustment screw of adjusting sleeve pipe, casing inner diameter is identical with the micr-alignment telescope diameter and work in coordination, the diameter of dummy shaft is identical with the micr-alignment telescope diameter, above-mentioned formation main engine axis positioning measuring device.
Main engine axis positioning method comprises the following steps:
1, the main engine axis positioning tool is connected on the main frame main spindle box output shaft, the dummy shaft of in main engine axis positioning tool sleeve pipe, packing into, expose the part of sleeve pipe at dummy shaft and set up clock gauge, artificial jiggering rotates main frame main spindle box output shaft, reading by clock gauge is adjusted sleeve pipe, makes the axis of sleeve pipe and main engine axis coaxial.
2, extract dummy shaft out, micr-alignment telescope is changed right angle eyepiece and be installed in the sleeve pipe of main engine axis positioning tool.
3, in manufactured stern tube shaft axis hole front-end and back-end a pair of light target support that light pipe is housed is installed respectively, on every pair of light target support, has been set up light pipe.
4, the special-purpose micrometer inside caliper locating shaft that matches with the light pipe internal diameter is installed respectively on two light pipes, with the stern tube shaft axis hole that processes is benchmark, micrometer inside caliper differential head with the extension bar on the special-purpose micrometer inside caliper locating shaft is measured, and it is coaxial with the stern tube shaft axis hole to find out light pipe by the light target support of adjusting and light pipe is supporting again.
5, in two light pipes, place the light target of having calibrated respectively.
6, by adjusting micr-alignment telescope focusing hub wheel, find the forward and backward light target of stern tube shaft axis hole respectively, utilize the reading hub wheel to read the reading of two light targets again, adjust the position, upper and lower, left and right of main frame by the reading result, make the axis of main frame and known stern tube shaft axis coaxle, finish the main engine axis location.
The present invention is fit to main equipment site space axle, hole right alignment location survey, and accurate positioning helps the raising of complete machine quality.
(4) description of drawings
Fig. 1 is a main engine axis location survey synoptic diagram of the present invention.
Fig. 2 utilizes dummy shaft to adjust the axis and the coaxial synoptic diagram of main engine axis of sleeve pipe
Fig. 3 is the light target structural representation of measurement mechanism.
Fig. 4 is the left view of Fig. 3.
Fig. 5 is the light target supporting structure synoptic diagram of measurement mechanism.
Fig. 6 is special-purpose micrometer inside caliper locating shaft synoptic diagram.
Fig. 7 is the main engine axis positioning tool structural representation of measurement mechanism.
Fig. 8 is the left view of Fig. 7.
(5) embodiment
Main engine axis positioning method and measurement mechanism are to adopt micr-alignment telescope and annex thereof and the measurement mechanism laid along the light path of its setting and realize the main engine axis location.Described micr-alignment telescope annex, comprise Φ 57.14mm, the height 20mm, precision 2 " optics target sheet 10 and right angle eyepiece 3.The main engine axis positioning measuring device, comprise two 8 of light targets, 9 that make to place optics target sheet 10, set up two 15 of the light pipes, 16 of light target 8,9, set up 12 4 on the light target support of light pipe, the special-purpose micrometer inside caliper locating shaft 17 that cooperates with light pipe 15,16, main engine axis positioning tool 2, sleeve pipe 4 and the dummy shaft 7 that matches with it.Utilize micr-alignment telescope, calibration installs the light target 8 of optics target sheet 10 on 0 grade of v block of reference instrument chamber, 9 (see figure 3)s, as shown in Figure 1, light target 8,9 are installed in the light pipe 15 of stern tube shaft hole 11 sides respectively, an end of 16, light pipe 15,16 all are set with a pair of light target support 12 (the light target support is seen Fig. 5), respectively by manufactured stern tube shaft axis hole 11 front-end and back-end of packing into of light target support 12 separately, the outer support jackscrew 13 that is provided with light target support 12 is fixed in the stern tube shaft axis hole 11, establish the adjustment screw 14 of adjusting light pipe in the light target support 12, adjust screw 14 with it and adjust, fixedly pack into light pipe 15 in the light target support 12,16 positions.Described special-purpose micrometer inside caliper locating shaft 17 matches with light pipe 15,16 internal diameters, be equiped with the milscale extension bar 18 of vertical its axis on its locating shaft, micrometer inside caliper differential head 19 can be threaded on the milscale extension bar 18, and milscale extension bar 18 extension elongations can be fixing by lock-screw on the locating shaft 20.Described main engine axis positioning tool 2 (see figure 7)s one end is connected with main frame main spindle box output shaft 1, the other end sleeve pipe 4 of packing into, and control the position of sleeve pipe 4 by the adjustment screw 6 of adjusting sleeve pipe 4, its sleeve pipe 4 internal diameters are identical with micr-alignment telescope 5 diameters and work in coordination, the diameter of dummy shaft 7 is identical with micr-alignment telescope 5 diameters, above-mentioned formation main engine axis positioning measuring device.
Main engine axis positioning method comprises the following steps:
1, main engine axis positioning tool 2 is connected on the main frame main spindle box output shaft 1, the dummy shaft 7 of in main engine axis positioning tool sleeve pipe 4, packing into, see Fig. 2, expose the part of light pipe at dummy shaft 7 and set up clock gauge 21, artificial jiggering rotates main frame main spindle box output shaft 1, adjust sleeve pipe 4 by the reading of clock gauge 21, make the axis of sleeve pipe 4 and main engine axis coaxial.
2, extract dummy shaft 7 out, micr-alignment telescope 5 is changed right angle eyepiece 3 and be installed in the sleeve pipe 4 of main engine axis positioning tool 2.
3, at manufactured stern tube shaft axis hole 11 front ends light target support 12 is installed, and on light target support 12, has been set up light pipe 15, light target support 12 is installed in stern tube shaft axis hole 11 rear ends, and on light target support 12, is set up light pipe 16.
4, the special-purpose micrometer inside caliper locating shaft 17 that matches with the light pipe internal diameter is installed respectively on light pipe 15 two ends, with the stern tube shaft axis hole 11 that processes is benchmark, micrometer inside caliper differential head 19 with the extension bar on the special-purpose micrometer inside caliper locating shaft is measured, and it is coaxial with stern tube shaft axis hole 11 to find out light pipe 15 by the light target support of adjusting and light pipe is supporting 12 again; Bring at light pipe equally that to find out light pipe 16 coaxial with stern tube shaft axis hole 11 for 16 liang.
5, in light pipe 15, place the light target of having calibrated 8, in light pipe 16, place the light target of having calibrated 9.
6, by adjusting the reading that micr-alignment telescope 5 focusing hub wheels find light target 8,9 respectively, utilize the reading hub wheel to read the reading of two light targets again, adjust the position, upper and lower, left and right of main frame by the reading result, make the axis of main frame and known stern tube shaft axis coaxle, finish the main engine axis location.