CN103322891A - Method for detecting coaxiality of machine body - Google Patents
Method for detecting coaxiality of machine body Download PDFInfo
- Publication number
- CN103322891A CN103322891A CN2013102623981A CN201310262398A CN103322891A CN 103322891 A CN103322891 A CN 103322891A CN 2013102623981 A CN2013102623981 A CN 2013102623981A CN 201310262398 A CN201310262398 A CN 201310262398A CN 103322891 A CN103322891 A CN 103322891A
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- bearing hole
- clutch shaft
- dead eye
- mandrel
- bearing support
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Abstract
The invention discloses a method for detecting the coaxiality of a machine body. A coaxiality gauge is applied. The method for detecting the coaxiality of the machine body comprises the following steps that a mandrel is arranged in a first bearing hole a1 and a second bearing hole a2, the tail end of an adjusting screw rod arranged on a first supporting frame abuts against the inner wall of each bearing hole, a dial indicator of a gauge stand device is calibrated, the adjusting screw rod which adjusts the supporting frame enables the mandrel and the common axis a of the first bearing hole a1 and the second bearing hole a2 to be coaxial; the mandrel is made to rotate, the maximum value M1, displayed by the dial indicator, of change of the inner diameter of the first bearing hole a1 is read, and the maximum value M2, displayed by the dial indicator, of change of the inner diameter of the second bearing hole a2 is read; the coaxiality h between the first bearing hole a1 of the machine body and the second bearing hole a2 of the machine body and the common axis a is M1-M2. Compared with the prior art, the method for detecting the coaxiality of the machine body can accurately and rapidly measure the coaxiality between the first bearing hole of the machine body and the second bearing hole of the machine body and the common axis so that the numerical value of the coaxiality can be worked out.
Description
Technical field
The present invention relates to part form and position tolerance measuring method technical field, especially a kind of a plurality of dead eyes for compressor are to the detection method of the right alignment of public axial line.
Background technology
Fuselage is one of important parts of piston compressor, plays to bear to support various movement parts and guarantee its position relationship effect.Therefore, the manufacturing accuracy of fuselage directly affects the installation quality of compressor.A kind of fuselage of compressor; The fuselage top is provided with two tilting middle body mounting planes, vertical towards being provided with skidway hole with middle body mounting plane; Be located at clutch shaft bearing hole and the second dead eye on the fuselage; Between these planes and hole, the related of dimensional tolerence and form and position tolerance arranged; The clutch shaft bearing hole of its middle machine body and the second dead eye are one of important indicators that detect the fuselage form and position tolerance to the right alignment of both public axial lines, because body volume is huge, and complex structure, dimensional tolerence can be measured; Form and position tolerance uses conventional cubing to be difficult to measure, and need special three-coordinates measuring machine just can measure, but special three-coordinates measuring machine cost is high, does not generally adopt; The precision of form and position tolerance all relies on equipment precision to ensure for a long time, this also is unfavorable for the quality control of product in manufacture process, in the coaxiality detecting method of existing fuselage, also there are not a kind of cubing and detection means to go for above-mentioned fuselage, many enterprises and forefathers are the clutch shaft bearing hole that solves this fuselage and the second dead eye unison degree measuring method and the means to both public axial lines, carried out a large amount of tests, a kind of suitable process means of acquisition and method have not been arranged so far.
Summary of the invention
Technical matters to be solved by this invention provides a kind of detection method of fuselage right alignment, and the method can numerical value accurate, that fast clutch shaft bearing hole and second dead eye of fuselage are measured and calculate its right alignment to the right alignment of both public axial lines.
The technical scheme that technical solution problem of the present invention adopts is: the technical scheme that technical solution problem of the present invention adopts is: the detection method of this fuselage right alignment, fuselage have clutch shaft bearing hole a1 and the second dead eye a2 that common axis is a;
Use a kind of coaxiality check fixture, this coaxiality check fixture comprises the dial gauge that is installed on the supporting rod, a mandrel is arranged, be respectively equipped with two cylindrical buses first bearing support and second bearing support corresponding with described clutch shaft bearing hole a1 inwall and described the second dead eye a2 inwall on the described mandrel, these bearing supports radially are equipped with a plurality of adjusting screw(rod)s, and the end of a plurality of described adjusting screw(rod)s and described dead eye inwall connect; Described mandrel in described the first bearing support and described the second bearing support outside is respectively installed with the first gauge stand device and the second gauge stand device, be equipped with the table post on these gauge stand devices, described table post all is connected with the supporting rod that clamps dial gauge by clamping joint; Described bearing support is sleeved on the described mandrel by center pit, is provided with slip cap between the center pit of described bearing support and the described mandrel; Described adjusting screw(rod) is contained on the adjusting mount pad of described bearing support by screw thread, and described adjusting screw(rod) is provided with setting nut, and the end face of described setting nut and described adjusting mount pad connects; The end that described setting nut is positioned at described adjusting mount pad is provided with binding groove;
Operation steps comprises:
A, described mandrel is placed in described clutch shaft bearing hole a1 and described the second dead eye a2, a plurality of described adjusting screw(rod) end on described the first bearing support is connected with described clutch shaft bearing hole a1 inwall respectively, and the end of a plurality of described adjusting screw(rod)s on described the second bearing support and described the second dead eye a2 inwall connect;
B, the dial gauge on described the first gauge stand device and described the second gauge stand device is calibrated;
Setting nut on the described adjusting screw(rod) of C, described the first bearing support of adjusting and described the second bearing support makes described mandrel coaxial with the common axis a of described clutch shaft bearing hole a1 and described the second dead eye a2;
D, rotate described mandrel, measure described clutch shaft bearing hole a1 internal diameter, read the maximal value M1 of the described clutch shaft bearing hole a1 internal diameter varies that dial gauge shows; Measure described the second dead eye a2 internal diameter, read the maximal value M2 of the described second dead eye a2 internal diameter varies of dial gauge demonstration;
The clutch shaft bearing hole a1 of E, fuselage and the second dead eye a2 are M1-M2 to the right alignment h of public axial line a, bring measured numerical value into clutch shaft bearing hole that calculating formula can calculate fuselage and the second dead eye to the numerical value of the right alignment of public axial line.
Owing to having adopted technique scheme, the present invention compared with prior art, the beneficial effect that has is: 1, the present invention can fast measure the right alignment of public axial line clutch shaft bearing hole and second dead eye of fuselage, and is simple, practical; 2, can control the right alignment of its public axial line a plurality of dead eyes of fuselage, for the installation quality that improves compressor provides technical guarantee.
Description of drawings
Fig. 1 is the structural representation of the fuselage of the embodiment of the invention.
Fig. 2 is the structural representation of the coaxiality check fixture of the embodiment of the invention.
Fig. 3 is the cut-open view at the A-A place of Fig. 2.
Fig. 4 is the cut-open view at the B-B place of Fig. 2.
Embodiment
The invention will be further described below in conjunction with accompanying drawing:
Fuselage as shown in Figure 1 has clutch shaft bearing hole a1 and the second dead eye a2 that common axis is a; Clutch shaft bearing hole a1 is 0.06 to the right alignment requirement of common axis a; The second dead eye a2 is 0.05 to the right alignment requirement of common axis a.
The detection method of fuselage right alignment is to use a kind of coaxiality check fixture, and this coaxiality check fixture comprises such as Fig. 2, Fig. 3 and coaxiality check fixture shown in Figure 4 and comprises the dial gauge 9 that is installed in respectively on the supporting rod 10 and the dial gauge 8 on the supporting rod 17; A mandrel 1 is arranged, respectively first bearing support 2 and second bearing support 3 corresponding with clutch shaft bearing hole a1 inwall and clutch shaft bearing hole a2 inwall of two cylindrical buses is housed respectively on the mandrel 1, bearing support 2 and bearing support 3 all are sleeved on the mandrel 1 by center pit, be provided with the slip cap slip cap between the center pit of these bearing supports and the mandrel, slip cap is copper spare, to make things convenient for the movement of these bearing supports; The adjusting screw(rod) 2-2 of the first bearing support 2 and the second bearing support 3, adjusting screw(rod) 3-2 all are contained on the adjusting mount pad of bearing support separately by screw thread, be set with on adjusting screw(rod) 2-2 and the adjusting screw(rod) 3-2 and be provided with setting nut 2-1 and setting nut 3-1, setting nut 2-1 and setting nut 3-1 connect with the end face of the adjusting mount pad of bearing support separately; Setting nut 2-1 and setting nut 3-1 are positioned at an end of regulating mount pad and are equipped with binding groove, the screw of fastening adjustment nut 2-1 and setting nut 3-1 is housed, with the stability of guaranteeing that setting nut 2-1 and setting nut 3-1 are connected with each self-regulation mount pad at the screw of regulating the mount pad sidewall; These bearing supports of this enforcement row example all have and are disposed radially four adjusting screw(rod)s, and the end of four adjusting screw(rod)s and the described hole inwall that holds connect, and the end of four adjusting screw(rod)s is spheroid; Mandrel in the first bearing support 2 and the second bearing support 3 outsides is respectively installed with the first gauge stand device and the second gauge stand device, the first gauge stand device has and is installed in the outer upper gauge stand 12 of mandrel 1 and the lower gauge stand 13 relative with upper gauge stand 12, be provided with the V-type groove with mandrel 1 outer wall clamping in upper gauge stand 12 and lower gauge stand 13 relative inboards, both sides are provided with two outwardly directed otic placodes; Upper gauge stand 12 and lower gauge stand 13 screw by installing the both sides otic placode is because fixing on the mandrel 1; The first gauge stand device is provided with table post 11, and the lower end of table post 11 is provided with one section screw thread, and table post 11 is installed on the upper gauge stand 12 by screw thread; Table post 11 is connected with the supporting rod 10 that clamps dial gauge 9 by clamping joint.The second gauge stand device has and is installed in the outer upper gauge stand 5 of mandrel 1 and the lower gauge stand 4 relative with upper gauge stand 5, is provided with the V-type groove with mandrel 1 outer wall clamping in upper gauge stand 5 and lower gauge stand 4 relative inboards, and both sides are provided with two outwardly directed otic placodes; Upper gauge stand 5 and lower gauge stand 4 screw by installing the both sides otic placode is because fixing on the mandrel 1; The second gauge stand device is provided with table post 6, and the lower end of table post 6 is provided with one section screw thread, and table post 6 is installed on the upper gauge stand 5 by screw thread; Table post 6 is connected with the supporting rod 7 that clamps dial gauge 8 by clamping joint.
Operation steps comprises:
A, mandrel 1 is placed in clutch shaft bearing hole a1 and the second dead eye a2, four adjusting screw(rod) 2-2 ends on the first bearing support 2 are connected with the inwall of clutch shaft bearing hole a1 respectively, and on the second bearing support 3 four state the end of adjusting screw(rod) and the inwall of the second dead eye a2 connects;
B, respectively the dial gauge 9 on the first gauge stand device 2 and the second gauge stand device 3 is calibrated to 400 millimeters, makes the inwall phase crimping of contact pin with the clutch shaft bearing hole a1 of dial gauge 9; Dial gauge 8 is calibrated to 240 millimeters, makes the inwall phase crimping of contact pin with the second dead eye a2 of dial gauge 8;
Setting nut 2-1 on the adjusting screw(rod) 2-2 of C, adjusting the first bearing support 2 and the second bearing support 3 makes mandrel 1 coaxial with the common axis a of clutch shaft bearing hole a1 and the second dead eye a2;
Clutch shaft bearing hole a1 internal diameter is measured by D, rotation mandrel 1, and the clutch shaft bearing hole a1 internal diameter varies maximal value M1 that reads the dial gauge demonstration is 0.055; Measure the second dead eye a2 internal diameter, reading the second dead eye a2 internal diameter varies maximal value M2 is 0.01;
The clutch shaft bearing hole a1 of E, fuselage and the second dead eye a2 are (M1-M2) to the right alignment h of public axial line a, bring the measured numerical value that gets into calculating formula
h=0.055－0.01=0.045
0.045 be the clutch shaft bearing hole of fuselage and the second dead eye to the numerical value of the right alignment of public axial line.
The clutch shaft bearing hole of the fuselage of the present embodiment and the second dead eye are 0.045 all less than clutch shaft bearing hole a1 and the clutch shaft bearing hole a2 right alignment designing requirement to common axis a to the right alignment of public axial line, illustrate the clutch shaft bearing hole of this fuselage and the second dead eye to the right alignment of public axial line in the scope of designing requirement.Available the method measurement, the clutch shaft bearing hole of calculating fuselage and the second dead eye are to the right alignment of public axial line in other embodiment, and judge whether the clutch shaft bearing hole of fuselage of this fuselage and the second dead eye reach designing requirement to the right alignment of public axial line, simple, practical, quick and cost is low.
Claims (1)
1. the detection method of a fuselage right alignment is characterized in that: fuselage has common axis and is clutch shaft bearing hole (a1) and second dead eye (a2) of (a);
Use a kind of coaxiality check fixture, this coaxiality check fixture comprises the dial gauge that is installed on the supporting rod, a mandrel is arranged, be respectively equipped with two cylindrical buses first bearing support and second bearing support corresponding with described clutch shaft bearing hole (a1) inwall and described the second dead eye (a2) inwall on the described mandrel, these bearing supports all have and radially are equipped with a plurality of adjusting screw(rod)s, and the end of a plurality of described adjusting screw(rod)s and described dead eye inwall connect; Described mandrel in described the first bearing support and described the second bearing support outside is respectively installed with the first gauge stand device and the second gauge stand device, be equipped with the table post on these gauge stand devices, described table post all is connected with the supporting rod that clamps dial gauge by clamping joint; Described bearing support is sleeved on the described mandrel by center pit, is provided with slip cap between the center pit of described bearing support and the described mandrel; Described adjusting screw(rod) is contained on the adjusting mount pad of described bearing support by screw thread, and described adjusting screw(rod) is provided with setting nut, and the end face of described setting nut and described adjusting mount pad connects; The end that described setting nut is positioned at described adjusting mount pad is provided with binding groove;
Operation steps comprises:
A, described mandrel is placed in described clutch shaft bearing hole (a1) and described the second dead eye (a2), a plurality of described adjusting screw(rod) end on described the first bearing support is connected with described clutch shaft bearing hole (a1) inwall respectively, and the end of a plurality of described adjusting screw(rod)s on described the second bearing support and described the second dead eye (a1) inwall connect;
B, respectively the dial gauge on described the first gauge stand device and described the second gauge stand device is calibrated;
Setting nut on the described adjusting screw(rod) of C, described the first bearing support of adjusting and described the second bearing support makes described mandrel coaxial with the common axis (a) of described clutch shaft bearing hole (a1) and described the second dead eye (a2);
D, rotate described mandrel, measure described clutch shaft bearing hole (a1) internal diameter, read the maximal value (M1) of described clutch shaft bearing hole (a1) internal diameter varies that dial gauge shows; Measure described the second dead eye (a2) internal diameter, read the maximal value (M2) of described the second dead eye (a2) internal diameter varies of dial gauge demonstration;
The clutch shaft bearing hole (a1) of E, fuselage and the second dead eye (a2) be (M1-M2) to the right alignment (h) of public axial line (a), with measured must numerical value bring clutch shaft bearing hole that calculating formula can calculate fuselage and the second dead eye into to the numerical value of the right alignment of public axial line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102623981A CN103322891A (en) | 2013-06-27 | 2013-06-27 | Method for detecting coaxiality of machine body |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013102623981A CN103322891A (en) | 2013-06-27 | 2013-06-27 | Method for detecting coaxiality of machine body |
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| CN103322891A true CN103322891A (en) | 2013-09-25 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104654987A (en) * | 2014-06-14 | 2015-05-27 | 柳州市安龙机械设备有限公司 | Coaxiality testing gauge |
| CN104654988A (en) * | 2014-06-14 | 2015-05-27 | 柳州市安龙机械设备有限公司 | Method for detecting coaxiality of bearing holes in compressor body |
| CN105066855A (en) * | 2015-08-05 | 2015-11-18 | 哈尔滨汽轮机厂有限责任公司 | Stator component coaxiality detection device for steam turbine assembly |
| CN105783850A (en) * | 2016-05-05 | 2016-07-20 | 中国科学院长春光学精密机械与物理研究所 | Inter-hole coaxiality error detection device |
| CN107643039A (en) * | 2017-08-29 | 2018-01-30 | 沪东中华造船(集团)有限公司 | A kind of frock and its application method for being used to detect rudder carrier base installation accuracy |
| CN107726969A (en) * | 2017-11-14 | 2018-02-23 | 佛山杰致信息科技有限公司 | A kind of multifunctional coaxial degree measuring instrument |
| CN108081113A (en) * | 2017-12-18 | 2018-05-29 | 上汽通用五菱汽车股份有限公司 | Engine cylinder hole honing machine concentricity calibrating component and vertical honing machine |
| CN109352606A (en) * | 2018-12-04 | 2019-02-19 | 中车洛阳机车有限公司 | The big component mounting tool of locomotive |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201837355U (en) * | 2010-10-26 | 2011-05-18 | 青海华鼎重型机床有限责任公司 | Detection fixture for coaxiality and end face runout of holes of large-sized box body |
| CN102809341A (en) * | 2012-08-02 | 2012-12-05 | 苏州东方模具科技股份有限公司 | Device for measuring wall thickness of punch of glass die |
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2013
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201837355U (en) * | 2010-10-26 | 2011-05-18 | 青海华鼎重型机床有限责任公司 | Detection fixture for coaxiality and end face runout of holes of large-sized box body |
| CN102809341A (en) * | 2012-08-02 | 2012-12-05 | 苏州东方模具科技股份有限公司 | Device for measuring wall thickness of punch of glass die |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104654987A (en) * | 2014-06-14 | 2015-05-27 | 柳州市安龙机械设备有限公司 | Coaxiality testing gauge |
| CN104654988A (en) * | 2014-06-14 | 2015-05-27 | 柳州市安龙机械设备有限公司 | Method for detecting coaxiality of bearing holes in compressor body |
| CN105066855A (en) * | 2015-08-05 | 2015-11-18 | 哈尔滨汽轮机厂有限责任公司 | Stator component coaxiality detection device for steam turbine assembly |
| CN105783850A (en) * | 2016-05-05 | 2016-07-20 | 中国科学院长春光学精密机械与物理研究所 | Inter-hole coaxiality error detection device |
| CN107643039A (en) * | 2017-08-29 | 2018-01-30 | 沪东中华造船(集团)有限公司 | A kind of frock and its application method for being used to detect rudder carrier base installation accuracy |
| CN108195275A (en) * | 2017-08-29 | 2018-06-22 | 沪东中华造船(集团)有限公司 | A kind of application method for the tooling for being used to detect rudder carrier base installation accuracy |
| CN107643039B (en) * | 2017-08-29 | 2020-04-14 | 沪东中华造船(集团)有限公司 | Tool for detecting mounting precision of rudder bearing base and using method thereof |
| CN108195275B (en) * | 2017-08-29 | 2020-04-14 | 沪东中华造船(集团)有限公司 | Use method of tool for detecting mounting precision of rudder bearing base |
| CN107726969A (en) * | 2017-11-14 | 2018-02-23 | 佛山杰致信息科技有限公司 | A kind of multifunctional coaxial degree measuring instrument |
| CN107726969B (en) * | 2017-11-14 | 2019-12-10 | 苏州市相城区黄桥工业园经济发展有限公司 | Multifunctional coaxiality measuring instrument |
| CN108081113A (en) * | 2017-12-18 | 2018-05-29 | 上汽通用五菱汽车股份有限公司 | Engine cylinder hole honing machine concentricity calibrating component and vertical honing machine |
| CN109352606A (en) * | 2018-12-04 | 2019-02-19 | 中车洛阳机车有限公司 | The big component mounting tool of locomotive |
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Application publication date: 20130925 |