CN103398647B - A kind of method for measuring point and cross section spacing on part - Google Patents

A kind of method for measuring point and cross section spacing on part Download PDF

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Publication number
CN103398647B
CN103398647B CN201310338767.0A CN201310338767A CN103398647B CN 103398647 B CN103398647 B CN 103398647B CN 201310338767 A CN201310338767 A CN 201310338767A CN 103398647 B CN103398647 B CN 103398647B
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CN
China
Prior art keywords
locating core
measurer
length
measurer support
support
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Expired - Fee Related
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CN201310338767.0A
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Chinese (zh)
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CN103398647A (en
Inventor
杨盛强
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ZUNYI JIEQING ELECTROMECHANICAL CO Ltd
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ZUNYI JIEQING ELECTROMECHANICAL CO Ltd
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Priority to CN201310338767.0A priority Critical patent/CN103398647B/en
Publication of CN103398647A publication Critical patent/CN103398647A/en
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Expired - Fee Related legal-status Critical Current
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Abstract

Relating to a gauge check field for measuring point on part with the method for cross section spacing, comprising the steps: that A. makes special combination measurer; B. sectional position is determined; C. part to be measured is fixed; D. locating core is installed; E. part length is calculated.The present invention utilizes the reference field of positioning base and the cross section of part to coincide cleverly, the bottom surface of the locating core that recycling is arranged in measurer support set probes in part body until confined planes effect, now the lowermost end of locating core arrives parts measurement point place, then the height of measurer support set deducts the height of locating core, can be put the size between cross section accurately.Greatly can improve the measuring accuracy of the spacing in part point and cross section, structure is simple, easy to operate, can be widely used in during the point of irregular part and cross section spacing measure.

Description

A kind of method for measuring point and cross section spacing on part
Technical field
The present invention relates to field of machining, being specifically related to a kind of method for measuring point and cross section spacing on part.
Background technology
Some irregular parts also need measurement and the control of carrying out size, a bottom surface, termination as part is irregular curved surface, and need the size of checking measurements to be sizes a bit and between the cross section of another termination of part on this termination curved surface, the size of checking measurements measurement point and cross section spacing can not select conventional measurer, as slide calliper rule etc., can only adopt in prior art and this point is projected on this part lateral surface, obtain a subpoint roughly, then measure the distance in subpoint and another cross section, termination.This metering system because of subpoint be not accurate especially, so cause measuring error comparatively large, in precision machining processes, metering system of the prior art can not meet the accuracy requirement of processing.
Summary of the invention
The technical matters of following size is checked: a bottom surface, termination of part is irregular curved surface for solving in prior art accurately to measure, and need the size of checking measurements to be sizes a bit and between the cross section of another termination of part on this termination curved surface, the invention provides a kind of accurate measuring method measuring the above-mentioned measurement point of inspection and cross section spacing.
For measuring point and a method for cross section spacing on part, comprise the steps:
A. special combination measurer is made: described special combination measurer comprises positioning base, measurer support set, locating core, the upper horizontal plane of positioning base is reference field, positioning base reference field is processed with location curved surface in positioning base body, the shape of this curved surface and part section match to the lateral surface of end and bottom shape, after then termination, part section place is placed in location curved surface, cross section overlaps with the reference field of positioning base; Measurer support set is perpendicular to positioning base and be sleeved on the outside of part, and the height of measurer support set is higher than part height to be measured; Side view and the measurer support set of locating core match, and the bottom surface shape of locating core is curved surface, and curve form and parts measurement point match to the curve form of part termination, form fillet surface and serve as confined planes between the curved surface of locating core and side;
B. determine sectional position: be arranged on the location curved surface of positioning base one end, cross section of part, cross section is overlapped with the reference field of positioning base;
C. part to be measured is fixed: be sleeved on by measurer support set outside part to be measured;
D. locating core is installed: first one end of limited for locating core plane is first placed in measurer support set, and then locating core entirety is placed in measurer support set, until the lowermost end of locating core arrives the measurement point of part, now confined planes restriction locating core no longer continues to move vertically;
E. part length is calculated: according to formula: the length L=measurer support set height-locating core of part probes into measurer support set length gauge and calculates distance between parts measurement point and cross section.
The present invention utilizes the reference field of positioning base and the cross section of part to coincide cleverly, the bottom surface of the locating core that recycling is arranged in measurer support set probes in part body until confined planes effect, now the lowermost end of locating core arrives parts measurement point place, then the height of measurer support set deducts the height of locating core, can be put the size between cross section accurately.Greatly can improve the measuring accuracy of the spacing in part point and cross section, structure is simple, easy to operate, can be widely used in during the point of irregular part and cross section spacing measure.
Accompanying drawing explanation
Accompanying drawing of the present invention is described as follows:
Fig. 1. combined measuring tool assembling and use schematic diagram;
Fig. 2. combined measuring tool measurement part point and identity distance are from schematic diagram;
Fig. 3. the measurable design of part schematic diagram of combined measuring tool;
In figure: 1. locate curved surface 2. part 3. plus tolerance detection faces 4. minus tolerance detection faces 5. locating core 6. measurer support set 7. confined planes 8. positioning base.
Embodiment
Below in conjunction with accompanying drawing, concrete structure of the present invention is described as follows:
For measuring point and a method for cross section spacing on part, comprise the steps:
A. special combination measurer is made: described special combination measurer comprises positioning base 8, measurer support set 6, locating core 5, the upper horizontal plane of positioning base 8 is reference field, positioning base 8 reference field is processed with location curved surface 1 in positioning base body, the shape of this curved surface and the lateral surface of part 2 cross section to end and bottom shape match, after then termination, place, part 2 cross section is placed in location curved surface, cross section overlaps with the reference field of positioning base 8; Measurer support set 6 is perpendicular to positioning base 8 and be sleeved on the outside of part 2, and the height of measurer support set 6 is higher than part 2 height to be measured; Side view and the measurer support set 6 of locating core 5 match, the bottom surface shape of locating core 5 is curved surfaces, curve form and part 2 measurement point match to the curve form of part 2 termination, form fillet surface and serve as confined planes 7 between the curved surface of locating core 5 and side;
B. determine sectional position: be arranged on the location curved surface of positioning base 8 one end, cross section of part 2, cross section is overlapped with the reference field of positioning base 8;
C. part to be measured is fixed: be sleeved on by measurer support set 6 outside part 2 to be measured;
D. locating core 5 is installed: first one end of limited for locating core 5 plane 7 is first placed in measurer support set 6, and then locating core 5 entirety is placed in measurer support set 6, until the lowermost end of locating core 5 arrives the measurement point of part 2, now confined planes 7 limits locating core and no longer continues to move vertically;
E. part length is calculated: according to formula: the length L=measurer support set 6 height-locating core 5 of part 2 probes into measurer support set length gauge and calculates distance between part 2 measurement point and cross section.
Also can be applicable in the present invention check the distance between parts measurement point and cross section whether to meet standard, its concrete structure is: the combined measuring tool in steps A is not also divided into two parts with another bottom surface, termination of feature contacts at locating core, is processed into minus tolerance detection faces 4 and plus tolerance detection faces 3 respectively; Minus tolerance detection faces 4 is the length of the distance minus tolerance detection faces 4 of locating core lowermost end when part tolerance is negative, and concrete numerical value is: measurer support set 6 length deducts the absolute value that part 2 length L adds minus tolerance minimum value; It is timing that plus tolerance detection faces 3 is part tolerance, and locating core 5 lowermost end is apart from the length of plus tolerance detection faces 3, and concrete numerical value is that measurer support set 6 length deducts part length L and deducts plus tolerance maximal value again; Corresponding, checking procedure D1 to be added after step D, then when part install, locating core puts in place, after confined planes work, minus tolerance detection faces 4 greater than or equal to the peak place of measurer support tube (6) and the peak place of plus tolerance detection faces 3 lower than measurer support tube (6) time, accessory size now meets tolerance; When plus tolerance detection faces 3 is higher than peak lower than measurer support set 6 of the peak of measurer support set 6 or minus tolerance detection faces 4, then represent that the size of part 2 is beyond the margin tolerance allowed, and does not meet dimensional requirement.
For making measurement convenient, reading is more convenient, when making special combination measurer in steps A of the present invention, also on locating core 5 He on measurer support set 6, portray length mark respectively, then the length L=measurer support set height-locating core of part 2 probes into measurer support set length, then can according to the length mark portrayed on locating core and measurer support set in step e, directly reading measurer support set height and locating core probe into the length of measurer support set, and then directly carry out the calculating of part 2 length.
Protection scope of the present invention is not limited only to the technical scheme disclosed in embodiment part; all make use of locating core, positioning base and measurer support set with the use of; for measuring or check the measuring method of the distance of measurement point on part and cross section, all fall into protection scope of the present invention.

Claims (3)

1., for measuring point and a method for cross section spacing on part, comprise the steps:
A. special combination measurer is made: described special combination measurer comprises positioning base (8), measurer support set (6), locating core (5), the upper horizontal plane of positioning base (8) is reference field, positioning base (8) reference field is processed with location curved surface (1) in positioning base body, lateral surface and the bottom shape of the shape of this curved surface and part (2) cross section to end match, after then termination, part (2) place, cross section is placed in location curved surface, cross section overlaps with the reference field of positioning base (8); Measurer support set (6) is perpendicular to positioning base (8) and be sleeved on the outside of part (2), and the height of measurer support set (6) higher than part to be measured (2) highly; Side view and the measurer support set (6) of locating core (5) match, the bottom surface shape of locating core (5) is curved surface, curve form and part (2) measurement point match to the curve form of part (2) termination, form fillet surface and serve as confined planes (7) between the curved surface of locating core (5) and side;
B. determine sectional position: be arranged on one end, cross section of part (2) on the location curved surface of positioning base (8), cross section is overlapped with the reference field of positioning base (8);
C. part to be measured is fixed: measurer support set (6) is sleeved on part to be measured (2) outside;
D., locating core (5) is installed: first one end of locating core (5) limited plane (7) is first placed in measurer support set (6), and then locating core (5) entirety is placed in measurer support set (6), until the lowermost end of locating core (5) arrives the measurement point of part (2), now confined planes (7) restriction locating core no longer continues to move vertically;
E. calculate part length: according to formula: the length L=measurer support set (6) of part (2) highly-locating core (5) probes into measurer support set length gauge and calculates part (2) distance between measurement point and cross section.
2. according to a kind of method for measuring point and cross section spacing on part described in claim 1, it is characterized in that: the combined measuring tool in steps A is not also divided into two parts with another bottom surface, termination of feature contacts at locating core, is processed into minus tolerance detection faces (4) and plus tolerance detection faces (3) respectively; Minus tolerance detection faces (4) is the length of the distance minus tolerance detection faces (4) of locating core lowermost end when part tolerance is negative, and concrete numerical value is: measurer support set (6) length deducts the absolute value that part (2) length L adds minus tolerance minimum value; It is timing that plus tolerance detection faces (3) is part tolerance, and locating core (5) lowermost end is apart from the length of plus tolerance detection faces (3), and concrete numerical value is that measurer support set (6) length deducts part length L and deducts plus tolerance maximal value again; Corresponding, checking procedure D1 to be added after step D, then when part install, locating core puts in place, after confined planes work, minus tolerance detection faces (4) greater than or equal to the peak place of measurer support tube (6) and the peak place of plus tolerance detection faces (3) lower than measurer support tube (6) time, accessory size now meets tolerance; When plus tolerance detection faces (3) is higher than peak lower than measurer support set (6) of the peak of measurer support set (6) or minus tolerance detection faces (4), then represent that the size of part (2) is beyond the margin tolerance allowed, and does not meet dimensional requirement.
3. according to a kind of method for measuring point and cross section spacing on part described in claim 1, it is characterized in that: when making special combination measurer in steps A, also above and on measurer support set (6) portray length mark respectively at locating core (5), then the length L=measurer support set height-locating core of part (2) probes into measurer support set length, according to portraying the length mark on locating core and measurer support set in step e, direct reading measurer support set height and locating core probe into the length of measurer support set, and then directly carry out the calculating of part (2) length.
CN201310338767.0A 2013-08-06 2013-08-06 A kind of method for measuring point and cross section spacing on part Expired - Fee Related CN103398647B (en)

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CN105277101B (en) * 2015-11-17 2018-08-17 上海衡拓液压控制技术有限公司 Nozzle and recipient gap measuring device and method
CN110243256B (en) * 2019-06-28 2021-05-25 黎明职业大学 Vamp detection device and vamp detection method

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US7171760B1 (en) * 2005-03-07 2007-02-06 William Lemon Height indicator gauge
CN201293630Y (en) * 2008-11-27 2009-08-19 贵州力源液压股份有限公司 Tool for measuring distance between measurement space intersection point and surface
CN201828221U (en) * 2010-09-27 2011-05-11 河南省中原内配股份有限公司 Cylinder jacket length and spigot height checking fixture
CN202024707U (en) * 2011-02-21 2011-11-02 永安市金声机械有限公司 Device for detecting coaxial reducing shaft shoulders
CN202648578U (en) * 2012-03-16 2013-01-02 四川银钢一通凸轮轴股份有限公司 Excircle height test device
CN102967236A (en) * 2012-11-20 2013-03-13 无锡麦铁精密机械制造有限公司 Gauge for measuring distance from outer end surface of workpiece to bottom of inner hole

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KR100218793B1 (en) * 1996-11-19 1999-09-01 정몽규 Measuring gauge of profile and shape

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7171760B1 (en) * 2005-03-07 2007-02-06 William Lemon Height indicator gauge
CN201293630Y (en) * 2008-11-27 2009-08-19 贵州力源液压股份有限公司 Tool for measuring distance between measurement space intersection point and surface
CN201828221U (en) * 2010-09-27 2011-05-11 河南省中原内配股份有限公司 Cylinder jacket length and spigot height checking fixture
CN202024707U (en) * 2011-02-21 2011-11-02 永安市金声机械有限公司 Device for detecting coaxial reducing shaft shoulders
CN202648578U (en) * 2012-03-16 2013-01-02 四川银钢一通凸轮轴股份有限公司 Excircle height test device
CN102967236A (en) * 2012-11-20 2013-03-13 无锡麦铁精密机械制造有限公司 Gauge for measuring distance from outer end surface of workpiece to bottom of inner hole

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Termination date: 20160806