CN104567748A - Auxiliary device and measurement method for measuring linearity and planeness of narrow gap - Google Patents
Auxiliary device and measurement method for measuring linearity and planeness of narrow gap Download PDFInfo
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- CN104567748A CN104567748A CN201310477346.6A CN201310477346A CN104567748A CN 104567748 A CN104567748 A CN 104567748A CN 201310477346 A CN201310477346 A CN 201310477346A CN 104567748 A CN104567748 A CN 104567748A
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- 238000000691 measurement method Methods 0.000 title abstract 4
- 238000005259 measurement Methods 0.000 claims abstract description 72
- 230000003287 optical effect Effects 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 16
- 238000004458 analytical method Methods 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 4
- 238000013480 data collection Methods 0.000 claims description 4
- 230000007547 defect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
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Abstract
The invention discloses an auxiliary device and a measurement method for measuring the linearity and the planeness of a narrow gap. A measurement terminal of the auxiliary device is arranged on the upper plane of a step measurement block, wherein the planeness of the lower plane of the step measurement block is lower than 0.01 mm, the planeness of the step plane of the step measurement block is lower than 0.01mm, and the perpendicularity of the step plane is lower than 0.01mm. The measurement method comprises the following steps: inserting the step measurement block into the narrow gap in such a manner that the lower plane of the step measurement block contacts with the measurement plane of the narrow gap and the step plane of the step measurement block is pressed against the outer end face of the narrow gap, and placing a target on the circular measurement terminal; acquiring parameters of the target by adopting optical measurement equipment, namely sliding the step measurement block along the end face of the narrow gap, and acquiring the parameters of the target at each measurement point of the measurement plane of the narrow gap by adopting the optical measurement equipment; obtaining the linearity and planeness data of the measurement plane of the narrow gap by virtue of the optical measurement equipment. By the auxiliary device, the parameters of the narrow gap can be conveniently and accurately measured; by the method, the shortcomings of a conventional narrow gap measurement method are overcome, the measurement accuracy and efficiency are improved, and the reliable running of narrow gap equipment is ensured.
Description
Technical field
The present invention relates to servicing unit and the measuring method of a kind of small gaps linearity and the measurement of planeness.
Background technology
The linearity of usual slit equipment and flatness are within the scope of the slit length limited, and the true form of slit upper surface, lower surface straight line key element, flat elemental, its numerical values recited illustrates the actual state that measuring surface keeps ideal line, flat elemental.Its tolerance range is the region between two parallel lines, two parallel planes.
In the testing process of slit linearity and flatness, the narrow space by slit limits, and the linearity of slit and flatness cannot realize high-acruracy survey.The detection of general slit routine mainly contains slit width and detects, and usually adopts clearance gauge or vernier caliper to measure.Its measurement range is little, low precision, and the measurement experience influence of examined personnel is larger.
Along with processing, manufacturing develop rapidly, the locus state of slit kind equipment causes the attention of industry, the performance that its linearity, flatness usually determine equipment realizes, as still adopted original detection method, slit equipment state cannot be determined at all, the precision performance and the function that have a strong impact on equipment are safeguarded, improve the cost of overhaul of the equipments.
Summary of the invention
Technical matters to be solved by this invention is to provide servicing unit and the measuring method of a kind of small gaps linearity and the measurement of planeness, utilize this servicing unit conveniently can realize the accurate measurement of small gaps linearity and flatness, this method is adopted to overcome the defect of traditional slit metering system, improve measuring accuracy and efficiency, ensure that the reliability service of slit kind equipment.
For solving the problems of the technologies described above, the servicing unit of small gaps linearity of the present invention and the measurement of planeness comprises Step measurement block and annular measurement terminal, described measurement terminal is located at the upper plane of described Step measurement block, the flatness of described Step measurement block lower plane is less than 0.01mm, the cascaded surface of described Step measurement block flatness is less than 0.01mm, verticality is less than 0.01mm.
The measuring method of small gaps linearity and flatness comprises the steps:
Step one, the Step measurement block of servicing unit described in claim 1 is assigned in slit, the lower plane of Step measurement block and the required flat face measured of slit touch, the cascaded surface of Step measurement block is resisted against slit outer face, is placed in by the target of optical measuring apparatus in annular measurement terminal;
Step 2, gather the parameter of target by optical measuring apparatus, by Step measurement block along slit end face slide and cascaded surface be close to slit end face, the parameter of target at each measuring point of slit measuring surface is gathered respectively, to complete each measuring point data collection of slit measuring surface by optical measuring apparatus;
Step 3, by optical measuring apparatus to gather each measuring point data of slit measuring surface simulate, analysis and calculation, obtain the linearity of slit measuring surface, flatness data.
Because the servicing unit of small gaps linearity of the present invention and the measurement of planeness and measuring method have employed technique scheme, namely the measurement terminal of this servicing unit is located at the upper plane of Step measurement block, the flatness of Step measurement block lower plane is less than 0.01mm, and the flatness of the cascaded surface of Step measurement block is less than 0.01mm, verticality is less than 0.01mm.Step measurement block is assigned in slit by this measuring method, and Step measurement block lower plane and the required flat face measured of slit touch, cascaded surface is resisted against slit outer face, are placed in by target in annular measurement terminal; Adopt optical measuring apparatus to gather target parameter, Step measurement block is slided along slit end face, gathers the parameter of target at each measuring point of slit measuring surface respectively by optical measuring apparatus, complete each measuring point data collection of slit measuring surface; By optical measuring apparatus to gather each measuring point data of slit measuring surface simulate, analysis and calculation, obtain the linearity of slit measuring surface, flatness data.This servicing unit conveniently can realize the accurate measurement of small gaps linearity and flatness, and this method overcomes the defect of traditional slit metering system, improves measuring accuracy and efficiency, ensure that the reliability service of slit kind equipment.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the present invention is described in further detail:
Fig. 1 is the assistant apparatus structure schematic diagram of small gaps linearity of the present invention and the measurement of planeness.
Embodiment
As shown in Figure 1, the servicing unit of small gaps linearity of the present invention and the measurement of planeness comprises Step measurement block 1 and annular measurement terminal 2, described measurement terminal 2 is located at the upper plane 11 of described Step measurement block 1, the flatness of described Step measurement block 1 lower plane 12 is less than 0.01mm, the cascaded surface 13 of described Step measurement block 1 flatness is less than 0.01mm, verticality is less than 0.01mm.
The measuring method of small gaps linearity and flatness comprises the steps:
Step one, the Step measurement block 1 of servicing unit described in claim 1 is assigned in slit, the lower plane 12 of Step measurement block 1 touches with the required flat face measured of slit, the cascaded surface 13 of Step measurement block 1 is resisted against slit outer face, is placed in by the target of optical measuring apparatus in annular measurement terminal 2;
Step 2, gather the parameter of target by optical measuring apparatus, by Step measurement block 1 along slit end face slide and cascaded surface 13 be close to slit end face, the parameter of target at each measuring point of slit measuring surface is gathered respectively, to complete each measuring point data collection of slit measuring surface by optical measuring apparatus;
Step 3, by optical measuring apparatus to gather each measuring point data of slit measuring surface simulate, analysis and calculation, obtain the linearity of slit measuring surface, flatness data.
This assistant apparatus structure is simple, easy to use, this servicing unit is utilized to adopt this method can realize the on-line measurement of slit linearity and flatness, in this method, optical measuring apparatus can adopt the equipment such as three-dimensional laser measuring apparatus, overcome the defect of traditional slit metering system, simplify measurement work flow, improve and measure operating efficiency, ensure measuring accuracy, reduce the cost of slit plant maintenance maintenance.
Claims (2)
1. the servicing unit of a small gaps linearity and the measurement of planeness, it is characterized in that: this servicing unit comprises Step measurement block and annular measurement terminal, described measurement terminal is located at the upper plane of described Step measurement block, the flatness of described Step measurement block lower plane is less than 0.01mm, the cascaded surface of described Step measurement block flatness is less than 0.01mm, verticality is less than 0.01mm.
2. a measuring method for small gaps linearity and flatness, is characterized in that this measuring method comprises the steps:
Step one, the Step measurement block of servicing unit described in claim 1 is assigned in slit, the lower plane of Step measurement block and the required flat face measured of slit touch, the cascaded surface of Step measurement block is resisted against slit outer face, is placed in by the target of optical measuring apparatus in annular measurement terminal;
Step 2, gather the parameter of target by optical measuring apparatus, by Step measurement block along slit end face slide and cascaded surface be close to slit end face, the parameter of target at each measuring point of slit measuring surface is gathered respectively, to complete each measuring point data collection of slit measuring surface by optical measuring apparatus;
Step 3, by optical measuring apparatus to gather each measuring point data of slit measuring surface simulate, analysis and calculation, obtain the linearity of slit measuring surface, flatness data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310477346.6A CN104567748B (en) | 2013-10-14 | 2013-10-14 | The measuring method of small gaps straightness and flatness |
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| CN201310477346.6A CN104567748B (en) | 2013-10-14 | 2013-10-14 | The measuring method of small gaps straightness and flatness |
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| CN104567748A true CN104567748A (en) | 2015-04-29 |
| CN104567748B CN104567748B (en) | 2018-06-01 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107764167A (en) * | 2017-10-16 | 2018-03-06 | 中车唐山机车车辆有限公司 | Bogie safety hanger detection means, system and method |
| CN111623696A (en) * | 2019-02-28 | 2020-09-04 | 宁波方太厨具有限公司 | A examine utensil for turning part plane degree detects |
| GB2561366B (en) * | 2017-04-11 | 2021-09-29 | Bentley Motors Ltd | Gap measuring device and system |
| CN114674273A (en) * | 2022-04-21 | 2022-06-28 | 核工业理化工程研究院 | Measuring device and method for measuring cylinder straightness by three-coordinate measuring machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5763408A (en) * | 1980-10-03 | 1982-04-16 | Hitachi Ltd | Flatness detector |
| CN201352103Y (en) * | 2009-02-09 | 2009-11-25 | 吴峰山 | Jointing rule |
| CN201680781U (en) * | 2010-04-30 | 2010-12-22 | 奇瑞汽车股份有限公司 | Multifunctional measuring ruler |
| CN201897458U (en) * | 2010-12-03 | 2011-07-13 | 奇瑞汽车股份有限公司 | Gap flatness measuring auxiliary tool |
| CN102252637A (en) * | 2011-04-26 | 2011-11-23 | 蓬莱巨涛海洋工程重工有限公司 | Method for detecting flatness of large-scale flange |
-
2013
- 2013-10-14 CN CN201310477346.6A patent/CN104567748B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5763408A (en) * | 1980-10-03 | 1982-04-16 | Hitachi Ltd | Flatness detector |
| CN201352103Y (en) * | 2009-02-09 | 2009-11-25 | 吴峰山 | Jointing rule |
| CN201680781U (en) * | 2010-04-30 | 2010-12-22 | 奇瑞汽车股份有限公司 | Multifunctional measuring ruler |
| CN201897458U (en) * | 2010-12-03 | 2011-07-13 | 奇瑞汽车股份有限公司 | Gap flatness measuring auxiliary tool |
| CN102252637A (en) * | 2011-04-26 | 2011-11-23 | 蓬莱巨涛海洋工程重工有限公司 | Method for detecting flatness of large-scale flange |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2561366B (en) * | 2017-04-11 | 2021-09-29 | Bentley Motors Ltd | Gap measuring device and system |
| CN107764167A (en) * | 2017-10-16 | 2018-03-06 | 中车唐山机车车辆有限公司 | Bogie safety hanger detection means, system and method |
| CN111623696A (en) * | 2019-02-28 | 2020-09-04 | 宁波方太厨具有限公司 | A examine utensil for turning part plane degree detects |
| CN111623696B (en) * | 2019-02-28 | 2022-05-17 | 宁波方太厨具有限公司 | A examine utensil for turning part plane degree detects |
| CN114674273A (en) * | 2022-04-21 | 2022-06-28 | 核工业理化工程研究院 | Measuring device and method for measuring cylinder straightness by three-coordinate measuring machine |
| CN114674273B (en) * | 2022-04-21 | 2024-02-09 | 核工业理化工程研究院 | Measuring device and method for measuring straightness of cylinder by three-coordinate measuring machine |
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| CN104567748B (en) | 2018-06-01 |
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