CN103322888B - The detection method of perpendicularity of machine body - Google Patents
The detection method of perpendicularity of machine body Download PDFInfo
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- CN103322888B CN103322888B CN201310262394.3A CN201310262394A CN103322888B CN 103322888 B CN103322888 B CN 103322888B CN 201310262394 A CN201310262394 A CN 201310262394A CN 103322888 B CN103322888 B CN 103322888B
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- mounting plane
- body mounting
- fuselage
- verticality
- leveling ruler
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Abstract
The invention discloses a kind of detection method of perpendicularity of machine body, use a kind of arrangement for measuring verticality, operation steps comprises: to be placed on by leveling ruler in fuselage on body mounting plane b, two locating pieces abut against with the inwall stating pilot hole and are rotated by leveling ruler, measure full-scale reading value and the least count value of looping pit diameter, unload described leveling ruler, the numerical value of the ultimate range d between measuring outside two locating pieces, measure the numerical value of the breadth extreme D of middle body mounting plane b; The verticality of skidway hole axis centered body mounting plane is 1/2(M-N) × D/d, brings in calculating formula the numerical value of the verticality that can calculate fuselage skidway hole axis centered body mounting plane into by the measured numerical value obtained.Compared with prior art, the present invention can fast measure the verticality of the skidway hole axis centered body mounting plane of fuselage and calculate the numerical value of its verticality.
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 support various movement parts and ensure its position relationship effect.Therefore, the manufacturing accuracy of fuselage directly affects the installation quality of compressor.A kind of fuselage of compressor; Fuselage roof is provided with two tilting middle body mounting planes, with middle body mounting plane be vertically provided with skidway hole; Be located at the clutch shaft bearing hole on fuselage and the second dead eye; Associating of dimensional tolerence and form and position tolerance is had between these plane with holes; Wherein the verticality of skidway hole axis centered body mounting plane is one of important indicator of measuring machine body form and 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 just can need measure, but special three-coordinates measuring machine cost is high, does not generally adopt with special three-coordinates measuring machine; The precision of form and position tolerance all relies on equipment precision to ensure for a long time, this is also unfavorable for the quality control of product in manufacture process, in existing perpendicularity of machine body detection method, a kind of cubing and detection means is not also had to go for above-mentioned fuselage, many enterprises and forefathers solve the skidway hole of this fuselage and the measuring for verticality ways and means of middle body mounting plane, carry out a large amount of tests, do not had so far and obtain a kind of suitable process means and method.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of detection method of perpendicularity of machine body, and it can fast be measured the verticality of the skidway hole axis centered body mounting plane of fuselage and calculate the numerical value of its verticality.
The technical scheme that technical solution problem of the present invention adopts is: the detection method of this perpendicularity of machine body, fuselage have respectively tilting in both sides, top body mounting plane, axis a is perpendicular to the skidway hole of described middle body mounting plane b, described skidway hole is the upper annular bore of two ladders and lower looping pit, is provided with pilot hole between described upper annular bore and middle body mounting plane b;
Use a kind of arrangement for measuring verticality, this arrangement for measuring verticality comprises the dial gauge be located on table bar, described table bar is contained in the bottom of leveling ruler by screw, described table bar is set with steady arm, the outer of described steady arm is at least provided with two contact pins, the described table bar both sides of the bottom of described leveling ruler are equipped with locating piece, and the side of side, described locating piece nearly described leveling ruler termination is arcwall face; Described table bar has table post and is inserted into supporting rod on described table post, and one end of described supporting rod is provided with the clamp clamping described dial gauge;
Operation steps comprises:
A, be placed in described fuselage on body mounting plane b by described leveling ruler, two described locating pieces are inserted in described pilot hole, and the arcwall face of described locating piece crimps mutually with the inwall of described pilot hole;
B, regulate the screw on the table post of described leveling ruler that two of described steady arm described contact pins are crimped mutually with the upper annular bore inwall of described fuselage, the contact pin of described dial gauge crimps mutually with described lower looping pit inwall;
C, described leveling ruler to be rotated in described pilot hole, measure multiple 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, the numerical value of the ultimate range d between measuring outside two described locating pieces, 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, brings the measured numerical value obtained into numerical value that computing formula can calculate the verticality of fuselage skidway hole axis centered body mounting plane.
Owing to have employed technique scheme, compared with prior art, the beneficial effect had is in the present invention: 1, can fast carry out measuring to the verticality of the skidway hole axis centered body mounting plane of fuselage and accurately calculate the numerical value of its verticality, simple, practical; 2, increase a kind of method to the precision measure of fuselage form and position tolerance, can control, for the installation quality of compressor provides safeguard the verticality precision of the skidway hole axis centered body mounting plane in fuselage manufacture process.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present 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 the K direction view of Fig. 2.
Fig. 5 is the cut-open view at the A-A place of Fig. 2.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
The detection method of perpendicularity of machine body, fuselage as shown in Figure 1 have respectively tilting in both sides, top body mounting plane b, axis a is perpendicular to the skidway hole of middle body mounting plane b, skidway hole is the upper annular bore of two ladders and lower looping pit, is provided with pilot hole between upper annular bore and 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 be located on table bar, table bar has table post 5 and is inserted into supporting rod 6 on table post 5, one end of supporting rod 6 is provided with the clamp of the dial gauge 7 clamped, dial gauge 7 is installed on clamp, is fixed on supporting rod 6 by tightening the screw be contained on clamp by dial gauge 7; Table bar is contained in the bottom of leveling ruler 1 by screw, table bar is set with steady arm 4, and it is 60 degree that angle between two contact pins, 3, two contact pins 3 is equipped with in the outer of the steady arm 4 of the present embodiment; Steady arm 4 is fixed on table post 5 by the screw installing sidewall by steady arm 4; The table bar both sides of the bottom of leveling ruler 1 are equipped with locating piece 2, and the close side stating side, leveling ruler 1 termination of locating piece 2 is arcwall face; The present embodiment is provided with the elongated slot regulating locating piece 2 and table bar on leveling ruler 1, as shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5.
Operation steps comprises:
A, be placed in fuselage on body mounting plane b by leveling ruler 1, two locating pieces 2 are inserted in pilot hole, and the arcwall face of locating piece 2 and the inwall of pilot hole abut against;
Screw on the table post 5 of B, adjustment leveling ruler 1 makes two of steady arm 4 contact pins crimp mutually with the upper annular bore inwall of fuselage, and the contact pin of dial gauge 7 crimps mutually with lower looping pit inwall;
C, rotated in pilot hole by leveling ruler 1, measure six diameters of the six direction of lower looping pit, the full-scale reading value M determining lower looping pit diameter is 270.052 millimeters, and the least count value N of lower looping pit diameter is 270 millimeters;
D, unload described leveling ruler 1, the numerical value of the ultimate range d between measuring outside two locating pieces 2 is 461 millimeters, and the numerical value 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, bringing the measured numerical value obtained into computing formula is: f=1/2(270.052-270) × 500/461=0.028.
The verticality of the fuselage skidway hole axis centered body mounting plane of the present embodiment is 0.028 0.03 millimeter of being less than designing requirement, illustrates that the verticality of this fuselage skidway hole axis centered body mounting plane is in the scope of designing requirement.Can measure, calculate the verticality of fuselage skidway hole axis centered body mounting plane in other embodiments by the method, and judge whether the verticality of the skidway hole axis centered body mounting plane of this fuselage reaches designing requirement, simple, practical, quick and cost is low.
Claims (1)
1. the detection method of a perpendicularity of machine body, it is characterized in that: fuselage have respectively tilting in both sides, top body mounting plane (b), axis (a) is perpendicular to the skidway hole of described middle body mounting plane (b), described skidway hole is the upper annular bore of two ladders and lower looping pit, is provided with pilot hole between described upper annular bore and middle body mounting plane (b);
Use a kind of arrangement for measuring verticality, this arrangement for measuring verticality comprises the dial gauge (7) be located on table bar, described table bar is contained in the bottom of leveling ruler (1) by screw, described table bar is set with steady arm (4), the outer of described steady arm (4) is at least provided with two contact pins (3), the described table bar both sides of the bottom of described leveling ruler (1) are equipped with locating piece (2), and the side of described locating piece (2) nearly described leveling ruler (1) side, termination 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 one end of described supporting rod (6) is provided with the clamp clamping described dial gauge (7);
Operation steps comprises:
A, be placed on middle body mounting plane (b) of described fuselage by described leveling ruler (1), two described locating pieces (2) are inserted in described pilot hole, and the arcwall face of described locating piece (2) crimps mutually with the inwall of described pilot hole;
B, regulate the screw on the table post (5) of described leveling ruler (1) that two described contact pins (3) of described steady arm (4) are crimped mutually with the upper annular bore inwall of described fuselage, the contact pin of described dial gauge (7) crimps mutually with described lower looping pit inwall;
C, described leveling ruler (1) to be rotated in described pilot hole, measure multiple 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 described locating pieces (2) outsides, 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, brings the measured numerical value obtained into numerical value that calculating formula can calculate 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 CN103322888A (en) | 2013-09-25 |
| CN103322888B true 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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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
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 |
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| Publication number | Publication date |
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| CN103322888A (en) | 2013-09-25 |
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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 |
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