CN105300215A - Size range measuring tool of stepped shaft part and measuring method - Google Patents

Size range measuring tool of stepped shaft part and measuring method Download PDF

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Publication number
CN105300215A
CN105300215A CN201510776702.3A CN201510776702A CN105300215A CN 105300215 A CN105300215 A CN 105300215A CN 201510776702 A CN201510776702 A CN 201510776702A CN 105300215 A CN105300215 A CN 105300215A
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CN
China
Prior art keywords
measurement section
size
ladder
multidiameter
measurer
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Pending
Application number
CN201510776702.3A
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Chinese (zh)
Inventor
张昱
董颖
冯硕
刘先亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenyang Liming Aero Engine Group Co Ltd
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Shenyang Liming Aero Engine Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Shenyang Liming Aero Engine Group Co Ltd filed Critical Shenyang Liming Aero Engine Group Co Ltd
Priority to CN201510776702.3A priority Critical patent/CN105300215A/en
Publication of CN105300215A publication Critical patent/CN105300215A/en
Pending legal-status Critical Current

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Abstract

The invention provides a size range measuring tool of a stepped shaft member and a measuring method. The size range measuring tool and the measuring method are used for measuring the axial size of a step part of the stepped shaft member, and the member at least comprises a first segment of shaft and a second segment of shaft. The second segment of shaft is provided with a shaft shoulder, and a first step exists between the first segment of shaft and the second segment of shaft. The measuring tool comprises a first measuring part, a second measuring part and a third measuring part. The axial length of on one side of the second measuring part is the maximum length of the step part to be measured, and the axial length on the side is the minimum length of the step part to be measured. The end surface of the third measuring part is attached to the shaft shoulder on the second segment of shaft. The radial size of the first measuring part is smaller than the radial size of the second measuring part, and the connection part between the first measuring part and the second measuring part forms a second step. The second step is matched with the first step. The radial size of the second measuring part is smaller than the radial size of the third measuring part, and the connection part between the second measuring part and the third measuring part forms a third step. The third step is matched with the end surface of the second segment of shaft.

Description

A kind of range of size of multidiameter part measures measurer and measuring method
Technical field:
The present invention relates to engine part field of measuring technique, the range of size being specifically related to a kind of multidiameter part measures measurer and measuring method.
Background technology:
In engine overhaul process, some spare part is because of dimension overproof or the reason such as to restructure, need to carry out machinery and add work, in process, very strict to the dimensional requirement of processing object, except the dimensional accuracy that lathe itself ensures processing object, for the step size of some special shape, lathe and chi table measurer cannot be measured, severely restricts are produced to production and processing, such as, aeromotor gear, because of structural change, need to carry out grinding to the gear shaft of former state structure, make its minification in axis and radial direction, and control within the scope of qualified size, radial direction size is ensured by grinding machine radial feed amount, but axial direction size lathe cannot ensure, because gear structure is stepped, common chi table measurer cannot be measured again accurately, so create very large restriction to the machining of gear, need to design a kind of unit clamp and the method for measuring multidiameter size, ensure dimension precision requirement.
Summary of the invention:
The range of size that the object of this invention is to provide a kind of multidiameter part measures measurer and measuring method, for measuring the ladder spot size of multidiameter part, confirm it whether within the scope of tolerance dimension, ensure the depth of cut in process, meet the dimensional accuracy in machining.
For achieving the above object, the present invention is by the following technical solutions:
The range of size of a kind of multidiameter part provided by the invention measures measurer, for measuring the axial dimension at multidiameter part ladder position, described part at least includes first paragraph axle and second segment axle, first paragraph shaft end is provided with the shaft shoulder, the first ladder is had between described first paragraph axle and second segment axle, described measurer comprises the first measurement section, second measurement section and the 3rd measurement section, described second measurement section and the first measurement section on one side axial overall length are the maximum allowance value reduction 0.01mm of end difference bit length to be measured, another side axial overall length is then that the minimal tolerance value of end difference bit length to be measured increases 0.01mm, on described first measurement section end face and first paragraph axle, shaft shoulder end face is fitted, described first measurement section radial dimension is less than the second measurement section radial dimension, first measurement section and the second measurement section joint form the second ladder, described second ladder matches with the first ladder, described second measurement section radial dimension is less than the 3rd measurement section radial dimension, second measurement section and the 3rd measurement section joint form the 3rd ladder, described 3rd ladder matches with second segment axial end.
Described first measurement section and first paragraph axle periphery tangent.
Described second measurement section and second segment axle periphery tangent.
The plate construction that described first measurement section, the second measurement section and the 3rd measurement section are formed in one.
Described first measurement section, the second measurement section and the 3rd measurement section thickness are 2 ~ 6mm.
Described first measurement section, the second measurement section and the 3rd measurement section material are No. 45 steel.
Described first measurement section, the second measurement section and the 3rd measurement section cross sectional shape are arc or square.
The curved surfaces of described arc coordinates with described first paragraph axle periphery and second segment axle periphery.
The method that the range of size of measurer to stepped part adopting above-mentioned a kind of multidiameter range of size to measure is measured, concrete steps are as follows:
Step one: use measurer side to measure multidiameter size
Part to be measured is clamping on fixture, shaft shoulder end face on described first measurement section end face and first paragraph axle is fitted, described second ladder matches with the first ladder, and described 3rd ladder matches with second segment axial end, observes the 3rd ladder and the second segment axial end place of matching whether printing opacity;
Step 2: use measurer opposite side to measure multidiameter size
By measurer flip horizontal 180 °, shaft shoulder end face on described first measurement section end face and first paragraph axle is fitted, described second ladder matches with the first ladder, and described 3rd ladder matches with second segment axial end, observes the 3rd ladder and the second segment axial end place of matching whether printing opacity;
Step 3: according to printing opacity result, judges that whether multidiameter size is qualified
If in step one and step 2, one records printing opacity, and one records light tight, then illustrate that multidiameter size is in dimensional tolerance range, size qualification;
If record equal printing opacity in step one and step 2, then illustrate that multidiameter size is at size minimal value lower limit, inaccuracy of dimensions;
If record all light tight in step one and step 2, then illustrate that multidiameter size is in the size maximum value upper limit, inaccuracy of dimensions.
Beneficial effect of the present invention:
Be applied at present in grinding machine processing that gear structure improves, the surveying work of part can have been completed through practice efficiently and accurately, for the machining of other similar parts from now on makes a reference; Stair-stepping Design of Measuring Tools, makes its not slippage in measuring process, provides more anchorage force; When processing multidiameter part, rationally can effectively ensure processing object axial dimension precision, stopping hidden danger of quality, both improve work efficiency, reduce labour cost, in turn ensure that the requirement of quality.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of the range of size measurement measurer of a kind of multidiameter part of the present invention;
Fig. 2 is that the range of size of a kind of multidiameter part of the present invention measures measurer using state structural representation;
1-part, 2-first paragraph axle, 3-second segment axle, the 4-shaft shoulder, 5-first ladder, 6-first measurement section, 7-second measurement section, 8-the 3rd measurement section, 9-second ladder, 10-the 3rd ladder.
Embodiment:
Below in conjunction with embodiment, the present invention is described in further detail.
As shown in Fig. 1 ~ Fig. 2, a kind of range of size of multidiameter part measures measurer, for measuring the axial dimension at multidiameter part ladder position, described part 1 at least includes first paragraph axle 2 and second segment axle 3, first paragraph axle 2 end is provided with the shaft shoulder 4, have the first ladder 5 between described first paragraph axle 2 and second segment axle 3, described measurer comprises the first measurement section 6, second measurement section 7 and the 3rd measurement section 8, described second measurement section 7 and the first measurement section 6 axial overall length L 1for the maximum allowance value of end difference bit length to be measured reduces 0.01mm, another side axial overall length L 2be then the minimal tolerance value increase 0.01mm of end difference bit length to be measured, on described first measurement section 6 end face and first paragraph axle 2, the shaft shoulder 4 end face is fitted, described first measurement section 6 radial dimension is less than the second measurement section 7 radial dimension, first measurement section 6 and the second measurement section 7 joint form the second ladder 9, described second ladder 9 matches with the first ladder 5, described second measurement section 7 radial dimension is less than the 3rd measurement section 8 radial dimension, second measurement section 7 and the 3rd measurement section 8 joint form the 3rd ladder 10, and described 3rd ladder 10 matches with second segment axle 3 end face.
Described first measurement section 6 is tangent with first paragraph axle 2 periphery.
Described second measurement section 7 is tangent with second segment axle 3 periphery.
The plate construction that described first measurement section 6, second measurement section 7 and the 3rd measurement section 8 are formed in one.
Described first measurement section 6, second measurement section 7 and the 3rd measurement section 8 thickness are 2 ~ 6mm.
Described first measurement section 6, second measurement section 7 and the 3rd measurement section 8 material are No. 45 steel.
Described first measurement section 6, second measurement section 7 and the 3rd measurement section 8 surface adopt phosphorous oxide process, prevent surface corrosion.
Described first measurement section 6, second measurement section 7 and the 3rd measurement section 8 cross sectional shape are arc or square.
The curved surfaces of described arc coordinates with described first paragraph axle 2 periphery and second segment axle 3 periphery.
Adopt the method that the range of size of the range of size of above-mentioned a kind of multidiameter part measurement measurer to stepped part is measured, concrete steps are as follows:
Step one: use measurer side to measure multidiameter size
Part to be measured is clamping on fixture, the shaft shoulder 4 end face on described first measurement section 6 end face and first paragraph axle 2 is fitted, described second ladder 9 matches with the first ladder 5, described 3rd ladder 10 matches with second segment axle 3 end face, observes the 3rd ladder 10 and the second segment axle 3 end face place of matching whether printing opacity;
Step 2: use measurer opposite side to measure multidiameter size
By measurer flip horizontal 180 °, the shaft shoulder 4 end face on described first measurement section 6 end face and first paragraph axle 2 is fitted, described second ladder 9 matches with the first ladder 5, described 3rd ladder 10 matches with second segment axle 3 end face, observes the 3rd ladder 10 and the second segment axle 3 end face place of matching whether printing opacity;
Step 3: according to printing opacity result, judges that whether multidiameter size is qualified
If in step one and step 2, one records printing opacity, and one records light tight, then illustrate that multidiameter size is in dimensional tolerance range, size qualification;
If step one and step 2 record equal printing opacity, then illustrate that multidiameter size is at size minimal value lower limit, inaccuracy of dimensions;
If step one and step 2 record all light tight, then illustrate that multidiameter size is in the size maximum value upper limit, inaccuracy of dimensions.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although with reference to above-described embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or equivalent replacement, and not departing from any amendment of spirit and scope of the invention or equivalent replacement, it all should be encompassed in the middle of this right.

Claims (9)

1. the range of size of a multidiameter part measures measurer, for measuring the axial dimension at multidiameter part ladder position, described part at least includes first paragraph axle and second segment axle, first paragraph shaft end is provided with the shaft shoulder, the first ladder is had between described first paragraph axle and second segment axle, it is characterized in that: described measurer comprises the first measurement section, second measurement section and the 3rd measurement section, described second measurement section and the first measurement section on one side axial overall length are the maximum allowance value reduction 0.01mm of end difference bit length to be measured, another side axial overall length is then that the minimal tolerance value of end difference bit length to be measured increases 0.01mm, on described first measurement section end face and first paragraph axle, shaft shoulder end face is fitted, described first measurement section radial dimension is less than the second measurement section radial dimension, first measurement section and the second measurement section joint form the second ladder, described second ladder matches with the first ladder, described second measurement section radial dimension is less than the 3rd measurement section radial dimension, second measurement section and the 3rd measurement section joint form the 3rd ladder, described 3rd ladder matches with second segment axial end.
2. a kind of multidiameter part according to claim 1 range of size measure measurer, it is characterized in that: described first measurement section and first paragraph axle periphery tangent.
3. a kind of multidiameter part according to claim 1 range of size measure measurer, it is characterized in that: described second measurement section and second segment axle periphery tangent.
4. the range of size of a kind of multidiameter part according to claim 1 measures measurer, it is characterized in that: the plate construction that described first measurement section, the second measurement section and the 3rd measurement section are formed in one.
5. the range of size of a kind of multidiameter part according to claim 1 measures measurer, it is characterized in that: described first measurement section, the second measurement section and the 3rd measurement section thickness are 2 ~ 6mm.
6. the range of size of a kind of multidiameter part according to claim 1 measures measurer, it is characterized in that: described first measurement section, the second measurement section and the 3rd measurement section material are No. 45 steel.
7. the range of size of a kind of multidiameter part according to claim 1 measures measurer, it is characterized in that: described first measurement section, the second measurement section and the 3rd measurement section cross sectional shape are arc or square.
8. the range of size of a kind of multidiameter part according to claim 7 measures measurer, it is characterized in that: the curved surfaces of described arc coordinates with described first paragraph axle periphery and second segment axle periphery.
9. the method adopting the size of the range of size of a kind of multidiameter part according to claim 1 measurement measurer to stepped part to measure, is characterized in that: concrete steps are as follows:
Step one: use measurer side to measure multidiameter size
Part to be measured is clamping on fixture, shaft shoulder end face on described first measurement section end face and first paragraph axle is fitted, described second ladder matches with the first ladder, and described 3rd ladder matches with second segment axial end, observes the 3rd ladder and the second segment axial end place of matching whether printing opacity;
Step 2: use measurer opposite side to measure multidiameter size
By measurer flip horizontal 180 °, shaft shoulder end face on described first measurement section end face and first paragraph axle is fitted, described second ladder matches with the first ladder, and described 3rd ladder matches with second segment axial end, observes the 3rd ladder and the second segment axial end place of matching whether printing opacity;
Step 3: according to printing opacity result, judges that whether multidiameter size is qualified
If in step one and step 2, one records printing opacity, and one records light tight, then illustrate that multidiameter size is in dimensional tolerance range, size qualification;
If record equal printing opacity in step one and step 2, then illustrate that multidiameter size is at size minimal value lower limit, inaccuracy of dimensions;
If record all light tight in step one and step 2, then illustrate that multidiameter size is in the size maximum value upper limit, inaccuracy of dimensions.
CN201510776702.3A 2015-11-12 2015-11-12 Size range measuring tool of stepped shaft part and measuring method Pending CN105300215A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510776702.3A CN105300215A (en) 2015-11-12 2015-11-12 Size range measuring tool of stepped shaft part and measuring method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510776702.3A CN105300215A (en) 2015-11-12 2015-11-12 Size range measuring tool of stepped shaft part and measuring method

Publications (1)

Publication Number Publication Date
CN105300215A true CN105300215A (en) 2016-02-03

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Family Applications (1)

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CN201510776702.3A Pending CN105300215A (en) 2015-11-12 2015-11-12 Size range measuring tool of stepped shaft part and measuring method

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106247896A (en) * 2016-08-30 2016-12-21 重庆望江工业有限公司 Measure gauge and the method for Step Shaft intermediate step axle axial length maximum and minimum value

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201964852U (en) * 2011-02-25 2011-09-07 宝钢发展有限公司 Steel pipe collar blank length measuring clamp plate
CN202133357U (en) * 2011-06-24 2012-02-01 衡阳华菱钢管有限公司 Petroleum pipe thickened terminal measuring cardboard
CN204142129U (en) * 2014-09-23 2015-02-04 陕西航空电气有限责任公司 A kind of portable comprehensive gauge

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201964852U (en) * 2011-02-25 2011-09-07 宝钢发展有限公司 Steel pipe collar blank length measuring clamp plate
CN202133357U (en) * 2011-06-24 2012-02-01 衡阳华菱钢管有限公司 Petroleum pipe thickened terminal measuring cardboard
CN204142129U (en) * 2014-09-23 2015-02-04 陕西航空电气有限责任公司 A kind of portable comprehensive gauge

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106247896A (en) * 2016-08-30 2016-12-21 重庆望江工业有限公司 Measure gauge and the method for Step Shaft intermediate step axle axial length maximum and minimum value
CN106247896B (en) * 2016-08-30 2019-10-18 重庆望江工业有限公司 Measure the gauge and method of Step Shaft intermediate step axis axial length maximum and minimum value

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Application publication date: 20160203

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