CN103322888A - Method for detecting perpendicularity of machine body - Google Patents
Method for detecting perpendicularity of machine body Download PDFInfo
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- CN103322888A CN103322888A CN2013102623943A CN201310262394A CN103322888A CN 103322888 A CN103322888 A CN 103322888A CN 2013102623943 A CN2013102623943 A CN 2013102623943A CN 201310262394 A CN201310262394 A CN 201310262394A CN 103322888 A CN103322888 A CN 103322888A
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- fuselage
- body mounting
- numerical value
- mounting plane
- leveling ruler
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- 238000000034 method Methods 0.000 title abstract description 12
- 238000001514 detection method Methods 0.000 claims description 9
- 238000002788 crimping Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The invention discloses a method for detecting the perpendicularity of a machine body. A perpendicularity gauge is applied. The method comprises the operating steps that a leveling ruler is placed on a midbody installation plane b of the machine body; two locating blocks abut against the inner wall of each locating hole so that the leveling ruler can be made to rotate; the maximum numerical value and the minimum numerical value of the diameter of an annular hole is measured and obtained; the leveling ruler is detached; the numerical value of the largest distance d between the outer side of one locating block and that of the other locating block is measured; the numerical value of the largest width D of the midbody installation plane b is measured; the perpendicularity between a slideway hole axis and the midbody installation plane is equal to 1/2(M-N)*D/d; the measured values are brought into the calculation formula so that the numerical value of the perpendicularity between the slideway hole axis of the fuselage and the midbody installation plane can be worked out. Compared with the prior art, the method for detecting the perpendicularity of the machine body can rapidly measure the perpendicularity between the slideway hole axis of the fuselage and the midbody installation plane and works out the numerical value of the perpendicularity.
Description
Technical field
The present invention relates to part form and position tolerance measuring method technical field, especially a kind of detection method of the skidway hole axis centered body mounting plane verticality for compressor body.
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; Wherein the verticality of skidway hole axis centered body mounting plane is one of important indicator of measuring machine figure position tolerance, 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 just can measure with special three-coordinates measuring machine, 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 existing fuselage verticality detection method, also there are not a kind of cubing and detection means to go for above-mentioned fuselage, many enterprises and forefathers are the skidway hole of this fuselage of solution and verticality detection method and the means of middle body mounting plane, 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 verticality, and it can be fast measures and calculate the numerical value of its verticality to the verticality of the skidway hole axis centered body mounting plane of fuselage.
The technical scheme that technical solution problem of the present invention adopts is: the detection method of this fuselage verticality, fuselage has respectively tilting middle body mounting plane in the both sides, top, axis a is perpendicular to the skidway hole of described middle body mounting plane b, described skidway hole is upper looping pit and the lower looping pit of two ladders, and b is provided with pilot hole between described upper looping pit and the middle body mounting plane;
Use a kind of arrangement for measuring verticality, this arrangement for measuring verticality comprises the dial gauge that is located on the table bar, described table bar is contained in the bottom of leveling ruler by screw, be set with steady arm on the described table bar, the outer of described steady arm is provided with two contact pins at least, the described table bar both sides of the bottom of described leveling ruler are equipped with locating piece, and the side of the nearly described leveling ruler of described locating piece termination one side is arcwall face; Described table bar has the table post and is inserted into supporting rod on the described table post, and an end of described supporting rod is provided with the clamp that clamps described dial gauge;
Operation steps comprises:
A, described leveling ruler is placed on the middle body mounting plane b of described fuselage, two described locating pieces are inserted in the described pilot hole, the inwall phase crimping of the arcwall face of described locating piece and described pilot hole;
B, regulate the upper looping pit inwall phase crimping that screw on the table post of described leveling ruler makes two described contact pins with the described fuselage of described steady arm, the contact pin of described dial gauge and the crimping of described lower looping pit inwall phase;
C, described leveling ruler is rotated in described pilot hole, measure a plurality of diameters of described lower looping pit, determine full-scale reading value M and the least count value N of described lower looping pit diameter;
D, unload described leveling ruler, measure the numerical value of two two the ultimate range d between the described locating pieces outside, measure the numerical value of the breadth extreme D of described middle body mounting plane b;
The verticality f of E, fuselage skidway hole axis centered body mounting plane is 1/2(M-N) * D/d, bring the measured numerical value that gets into numerical value that computing formula can be calculated the verticality of fuselage skidway hole axis centered body mounting plane.
Owing to having adopted technique scheme, the present invention compared with prior art, the beneficial effect that has is: 1, can be fast the numerical value of its verticality is measured and accurately calculated to the verticality of the skidway hole axis centered body mounting plane of fuselage, simple, practical; 2, increase a kind of method to the precision measure of fuselage form and position tolerance, can control the verticality precision of the skidway hole axis centered body mounting plane in the fuselage manufacture process, for the installation quality of compressor provides safeguard.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention.
Fig. 2 is the structural representation of the arrangement for measuring verticality of embodiment.
Fig. 3 is the vertical view of Fig. 2.
Fig. 4 is that the K of Fig. 2 is to view.
Fig. 5 is the cut-open view at the A-A place of Fig. 2.
Embodiment
The invention will be further described below in conjunction with accompanying drawing:
The detection method of fuselage verticality, fuselage as shown in Figure 1 has respectively tilting middle body mounting plane b in the both sides, top, axis a is perpendicular to the skidway hole of middle body mounting plane b, skidway hole is upper looping pit and the lower looping pit of two ladders, is provided with pilot hole between upper looping pit and the middle body mounting plane; The requirement of fuselage skidway hole axis centered body mounting plane verticality is 0.03.
Use a kind of arrangement for measuring verticality, this arrangement for measuring verticality comprises the dial gauge 7 that is located on the table bar, the table bar has table post 5 and is inserted into supporting rod 6 on the table post 5, one end of supporting rod 6 is provided with the clamp of the dial gauge 7 that clamps, dial gauge 7 is installed on the clamp, by tightening the screw that is contained on the clamp dial gauge 7 is fixed on the supporting rod 6; The table bar is contained in the bottom of leveling ruler 1 by screw, be set with steady arm 4 on the table bar, and the outer of the steady arm 4 of the present embodiment is equipped with that angle is 60 degree between 3, two contact pins 3 of two contact pins; Steady arm 4 is fixed on steady arm 4 on the table post 5 by the screw that installed sidewall; The table bar both sides of the bottom of leveling ruler 1 are equipped with locating piece 2, and locating piece 2 is arcwall face near the side of stating leveling ruler 1 termination one side; The present embodiment is provided with the elongated slot of regulating locating piece 2 and table bar at leveling ruler 1, such as Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5.
Operation steps comprises:
A, leveling ruler 1 is placed on the middle body mounting plane b of fuselage, two locating pieces 2 are inserted in the pilot hole, and the arcwall face of locating piece 2 and the inwall of pilot hole connect;
B, regulate the upper looping pit inwall phase crimping that screw on the table post 5 of leveling ruler 1 makes two contact pins with the fuselage of steady arm 4, the contact pin of dial gauge 7 and the crimping of lower looping pit inwall phase;
C, leveling ruler 1 is rotated in pilot hole, measure six diameters of the six direction of lower looping pit, determined that the full-scale reading value M of time looping pit diameter is 270.052 millimeters, the least count value N of lower looping pit diameter is 270 millimeters;
D, unload described leveling ruler 1, the numerical value of measuring two two the ultimate range d between locating piece 2 outsides is 461 millimeters, and the numerical value of measuring the breadth extreme D of described middle body mounting plane b is 500 millimeters;
The verticality of E, skidway hole axis centered body mounting plane is f, f=1/2(M-N) * D/d, bring measured numerical value into computing formula and be: f=1/2(270.052-270) * 500/461=0.028 gets final product.
The verticality of the fuselage skidway hole axis centered body mounting plane of the present embodiment is 0.028 less than 0.03 millimeter of designing requirement, illustrates that the verticality of this fuselage skidway hole axis centered body mounting plane is in the scope of designing requirement.The verticality of fuselage skidway hole axis centered body mounting plane is measured, calculated to available the method in other embodiment, and whether the verticality of judging the skidway hole axis centered body mounting plane of this fuselage reach designing requirement, simple, practical, quick and cost is low.
Claims (1)
1. the detection method of a fuselage verticality, it is characterized in that: fuselage has respectively tilting middle body mounting plane (b) in the both sides, top, axis (a) is perpendicular to the skidway hole of described middle body mounting plane (b), described skidway hole is upper looping pit and the lower looping pit of two ladders, and (b) is provided with pilot hole between described upper looping pit and the middle body mounting plane;
Use a kind of arrangement for measuring verticality, this arrangement for measuring verticality comprises the dial gauge (7) that is located on the table bar, described table bar is contained in the bottom of leveling ruler (1) by screw, be set with steady arm (4) on the described table bar, the outer of described steady arm (4) is provided with two contact pins (3) at least, the described table bar both sides of the bottom of described leveling ruler (1) are equipped with locating piece (2), and the side of the nearly described leveling ruler of described locating piece (2) (1) termination one side is arcwall face; Described table bar has table post (5) and is inserted into the upper supporting rod (6) of described table post (5), and an end of described supporting rod (6) is provided with the clamp that clamps described dial gauge (7);
Operation steps comprises:
A, described leveling ruler (1) is placed on the middle body mounting plane (b) of described fuselage, two described locating pieces (2) are inserted in the described pilot hole, the inwall phase crimping of the arcwall face of described locating piece (2) and described pilot hole;
B, regulate the upper looping pit inwall phase crimping that screw on the table post (5) of described leveling ruler (1) makes two described contact pins (3) with the described fuselage of described steady arm (4), the contact pin of described dial gauge (7) and the crimping of described lower looping pit inwall phase;
C, described leveling ruler (1) is rotated in described pilot hole, measure a plurality of diameters of described lower looping pit, determine full-scale reading value (M) and the least count value (N) of described lower looping pit diameter;
D, unload described leveling ruler (1), measure the numerical value of the ultimate range (d) between two two described locating pieces (2) outside, measure the numerical value of the breadth extreme (D) of described middle body mounting plane (b);
The verticality (f) of E, fuselage skidway hole axis centered body mounting plane is 1/2(M-N) * D/d, bring the measured numerical value that gets into numerical value that calculating formula can be calculated the verticality of fuselage skidway hole axis centered body mounting plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310262394.3A CN103322888B (en) | 2013-06-27 | 2013-06-27 | The detection method of perpendicularity of machine body |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310262394.3A CN103322888B (en) | 2013-06-27 | 2013-06-27 | The detection method of perpendicularity of machine body |
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| Publication Number | Publication Date |
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| CN103322888A true CN103322888A (en) | 2013-09-25 |
| CN103322888B CN103322888B (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310262394.3A Active CN103322888B (en) | 2013-06-27 | 2013-06-27 | The detection method of perpendicularity of machine body |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006322A (en) * | 2019-04-25 | 2019-07-12 | 中国工程物理研究院机械制造工艺研究所 | Testing apparatus for verticality and method between a kind of movement of two linear axis of lathe |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2074701A6 (en) * | 1970-01-20 | 1971-10-08 | Roupenel Jean | |
| JPS59208401A (en) * | 1983-05-13 | 1984-11-26 | Agency Of Ind Science & Technol | Right-angle degree measuring device utilizing spherical bodies |
| CN2264896Y (en) * | 1996-10-31 | 1997-10-15 | 鹤壁派克电气有限公司 | Perpendicularity visual measuring instrument |
| CN2514310Y (en) * | 2001-12-21 | 2002-10-02 | 广东省高级技工学校 | Measurer for verticality |
| CN201772854U (en) * | 2010-07-12 | 2011-03-23 | 安徽华祥实业有限公司 | Verticality inspection tester for piston pin holes |
| JP3179152U (en) * | 2012-08-06 | 2012-10-18 | 株式会社アルファ・オメガ | Music scale |
-
2013
- 2013-06-27 CN CN201310262394.3A patent/CN103322888B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2074701A6 (en) * | 1970-01-20 | 1971-10-08 | Roupenel Jean | |
| JPS59208401A (en) * | 1983-05-13 | 1984-11-26 | Agency Of Ind Science & Technol | Right-angle degree measuring device utilizing spherical bodies |
| CN2264896Y (en) * | 1996-10-31 | 1997-10-15 | 鹤壁派克电气有限公司 | Perpendicularity visual measuring instrument |
| CN2514310Y (en) * | 2001-12-21 | 2002-10-02 | 广东省高级技工学校 | Measurer for verticality |
| CN201772854U (en) * | 2010-07-12 | 2011-03-23 | 安徽华祥实业有限公司 | Verticality inspection tester for piston pin holes |
| JP3179152U (en) * | 2012-08-06 | 2012-10-18 | 株式会社アルファ・オメガ | Music scale |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006322A (en) * | 2019-04-25 | 2019-07-12 | 中国工程物理研究院机械制造工艺研究所 | Testing apparatus for verticality and method between a kind of movement of two linear axis of lathe |
| CN110006322B (en) * | 2019-04-25 | 2024-01-30 | 中国工程物理研究院机械制造工艺研究所 | Device and method for detecting perpendicularity between two linear axes of machine tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103322888B (en) | 2015-11-11 |
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Effective date of registration: 20191210 Address after: 314415 within huangwan town government, Haining City, Jiaxing City, Zhejiang Province Patentee after: Haining huangwan town Asset Management Co., Ltd Address before: 545006 the Guangxi Zhuang Autonomous Region Liuzhou city and the industrial district B-22-1 of Liuzhou Fuda company Patentee before: Lin Quanzhong |