CN109458913A - Depth of cavity measurement method and oil pump cover and oil Pump rotor distance measurement method - Google Patents
Depth of cavity measurement method and oil pump cover and oil Pump rotor distance measurement method Download PDFInfo
- Publication number
- CN109458913A CN109458913A CN201811306116.2A CN201811306116A CN109458913A CN 109458913 A CN109458913 A CN 109458913A CN 201811306116 A CN201811306116 A CN 201811306116A CN 109458913 A CN109458913 A CN 109458913A
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- China
- Prior art keywords
- oil pump
- measurement method
- pump cover
- pump rotor
- cavity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/18—Measuring arrangements characterised by the use of mechanical techniques for measuring depth
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Rotary Pumps (AREA)
Abstract
The present invention provides a kind of depth of cavity measurement method and oil pump covers and oil Pump rotor distance measurement method, are related to the technical field of measurement method.Depth of cavity measurement method includes at the 10mm selected apart from oil pump cover cavity central axis for benchmark face；3 points of selection in datum level；Point-to-point measurement is carried out using probe, obtains oil pump cover depth of cavity.It solves in the prior art, using the method that the position of the outer peripheral surface 80mm apart from oil pump cover measures oil pump cover depth of cavity as benchmark face, the technical problem of measurement data inaccuracy.The present invention selects for benchmark face and by the way of point-to-point measurement at the 10mm apart from oil pump cover cavity central axis, and measurement result is accurate.
Description
Technical field
The present invention relates to the technical field of measurement method, more particularly, to a kind of depth of cavity measurement method and oil pump cover with
Oil Pump rotor distance measurement method.
Background technique
Oil pump is a kind of not only light but also compact pump, is the important component of automatic transmission, is the entire hydraulic of speed changer
System fuel feeding, oil pump cover and oil Pump rotor are the core components of oil pump, have clearance requirement between oil pump cover and oil Pump rotor, generally
Clearance C between oil pump cover and oil Pump rotor needs to measure dress during assembly between 0.025-0.045mm
Match, it is necessary first to which the depth A for measuring oil pump cover cavity calculates the thickness B of required oil Pump rotor according to the requirement of gap width C
(B=A-C), required oil Pump rotor is finally selected, later to oil Pump rotor according to the thickness B of calculated oil Pump rotor
Thickness is rechecked, and then oil Pump rotor is assembled to inside oil pump cover, between rechecking between oil pump cover and oil Pump rotor again
Whether gap meets the requirements.
The special equipment measurement oil pump cap surface base of oil pump cover measurement is usually used in the depth A for measuring oil pump cover cavity
Quasi- face is to the distance between oil pump cap-type bottom of chamber face and then obtains the depth of oil pump cover cavity, existing measurement oil pump cover cavity
Generally using the position at the 80mm apart from the outer peripheral surface of oil pump cover as benchmark face when depth, pass through datum level and oil pump cap-type bottom of chamber
The depth of the distance between point on face measurement oil pump cover cavity.
Although the depth of oil pump cover cavity can be measured using existing measurement method, the datum level and oil pump of measurement
Farther out, due to there are the influence of flatness, causing the data measured, there is a certain error, and uses for the distance between cover cavity
Measurement between point and face, measurement inaccuracy.
Summary of the invention
It is existing in the prior art to solve the purpose of the present invention is to provide a kind of depth of cavity measurement method, with away from
The position of outer peripheral surface 80mm from oil pump cover is the method that benchmark face measures oil pump cover depth of cavity, the skill of measurement data inaccuracy
Art problem.
The purpose of the present invention is to provide a kind of methods of distance between measurement oil pump cover and oil Pump rotor, to solve existing skill
Present in art, in the method that the position of the outer peripheral surface 80mm apart from oil pump cover measures oil pump cover depth of cavity as benchmark face, survey
Measure the technical problem of data inaccuracy.
A kind of the step of depth of cavity measurement method provided by the invention, the depth of cavity measurement method includes:
It selects at the 10mm apart from oil pump cover cavity central axis as benchmark face；
3 points of selection in datum level；
Point-to-point measurement is carried out using probe, obtains oil pump cover depth of cavity.
The present invention also provides a kind of oil pump cover and oil Pump rotor distance measurement method, the oil pump cover and oil Pump rotor away from
It include depth of cavity measurement method as described in claim 1 from the step of measurement method, further includes:
According to the gap width between oil pump cover and oil Pump rotor, the thickness of oil Pump rotor is obtained.
Further, the oil pump cover and oil Pump rotor distance measurement method further include:
Measure the thickness of selected oil Pump rotor.
Further, the thickness of the measurement oil Pump rotor includes the following steps:
Select oil Pump rotor upper surface for benchmark face；
3 points of selection in datum level；
Point-to-point measurement is carried out using probe, obtains the thickness of oil Pump rotor.
Further, the oil pump cover and oil Pump rotor distance measurement method further include following steps:
The thickness of more calculated oil Pump rotor and the thickness for measuring selected oil Pump rotor.
Further, the step of oil pump cover is with oil Pump rotor distance measurement method further include:
Measure the gap width between oil pump cover and oil Pump rotor.
Further, the step of oil pump cover is with oil Pump rotor distance measurement method further include:
The gap width of comparative measurements and the gap width of requirement.
Further, the step of oil pump cover is with oil Pump rotor distance measurement method further include:
Oil pump cover depth of cavity is measured again.
Depth of cavity measurement method provided by the invention, on the basis of selecting at the 10mm apart from oil pump cover cavity central axis
Face, selecting the position close to oil pump cover cavity center is benchmark face, avoids the influence due to flatness, measurement result is accurate；Choosing
Three points in datum level are selected, carry out point-to-point measurement using probe, using point-to-point measurement, show that oil pump cover cavity is deep
Degree, measurement structure is more accurate, and error is small.
Oil pump cover provided by the invention and oil Pump rotor distance measurement method, after determining oil pump cover depth of cavity；Root
According to the gap width between required oil pump cover and oil Pump rotor, the thickness value of oil Pump rotor required for calculating, realization pair
The thickness error of the selection of oil Pump rotor, the oil Pump rotor of calculating is small.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of depth of cavity measurement method provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of oil pump cover provided in an embodiment of the present invention and oil Pump rotor distance measurement method；
Fig. 3 is the structural schematic diagram that oil pump cover provided in an embodiment of the present invention is connect with oil Pump rotor；
Fig. 4 is the bottom view of the part Z-Z in Fig. 3.
Icon: 100- oil pump cover；200- oil Pump rotor；101- oil pump cover cavity；The depth of A- oil pump cover cavity；B- is calculated
The thickness of oil Pump rotor out；The thickness of B '-measurement oil Pump rotor；C- gap width；C '-measurement gap width.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that such as occur term " center ", "upper", "lower", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings,
Be merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.In addition, such as there is term "
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " peace such as occur
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
The present invention provides a kind of depth of cavity measurement method, the step of depth of cavity measurement method includes: selection
It is benchmark face at 10mm apart from 101 central axis of oil pump cover cavity；3 points of selection in datum level；It is carried out using probe point-to-point
Measurement, obtain 101 depth A of oil pump cover cavity.
As shown in Figure 1, depth of cavity measurement method provided by the invention, selects apart from 101 central axis of oil pump cover cavity
10mm at be benchmark face, select the position at close 101 center of oil pump cover cavity is benchmark face, avoids the shadow due to flatness
It rings, measurement result is accurate；Three points in datum level are selected, point-to-point measurement is carried out using probe, uses point-to-point survey
Amount, obtains 101 depth A of oil pump cover cavity, measurement structure is more accurate, and error is small.
The present invention also provides a kind of oil pump cover 100 and 200 distance measurement method of oil Pump rotor, the oil pump cover 100 with
The step of 200 distance measurement method of oil Pump rotor includes depth of cavity measurement method as described above, further includes: according to oil pump cover
Gap width C between 100 and oil Pump rotor 200 obtains the thickness B of oil Pump rotor 200.
As in Figure 2-4, oil pump cover 100 provided by the invention and 200 distance measurement method of oil Pump rotor, measure oil outlet pump
After 101 depth A of cover cavity；According to the gap width C between required oil pump cover 100 and oil Pump rotor 200, institute is calculated
The thickness B of the oil Pump rotor 200 needed realizes the selection to oil Pump rotor 200, the thickness error of the oil Pump rotor 200 of calculating
It is small.
Further, the oil pump cover 100 and 200 distance measurement method of oil Pump rotor further include: measure selected oil pump and turn
The thickness B ' of son 200.
As shown in Fig. 2, after calculating the thickness B of oil Pump rotor 200, using measuring tool to selected oil Pump rotor
200 thickness is measured, to judge whether selected oil Pump rotor 200 is suitable.
Further, the thickness of the measurement oil Pump rotor 200 includes the following steps: to select 200 upper surface of oil Pump rotor
For benchmark face；3 points of selection in datum level；Point-to-point measurement is carried out using probe, obtains the thickness B ' of oil Pump rotor 200.
Specifically, the step of measuring the thickness of oil Pump rotor 200 are as follows: first on the basis of selection 200 upper surface of oil Pump rotor
Face；Three points are selected in datum level, are being carried out point-to-point measurement using probe, are being obtained the thickness B ' of oil Pump rotor 200, make
With the measurement between point-to-point, measurement result is more accurate accurate.
Further, the oil pump cover 100 further includes following steps with 200 distance measurement method of oil Pump rotor: compared with count
The thickness B of the oil Pump rotor 200 of the calculating and thickness B ' for measuring selected oil Pump rotor 200.
Later by the thickness B ' of the thickness B of calculated oil Pump rotor 200 and the selected oil Pump rotor 200 of measurement whether
Matching, if the difference of the thickness B ' of the oil Pump rotor 200 of the thickness B and measurement of calculated oil Pump rotor 200 is in certain error
In range, then illustrate that selected oil Pump rotor 200 is suitable；If the thickness B of calculated oil Pump rotor 200 and measurement
The difference B ' of the thickness of oil Pump rotor 200 then illustrates selected 200 irregularity of oil Pump rotor beyond in defined error range
It is fixed, it needs to re-start selection, repeats the above steps, select suitable oil Pump rotor 200.
Further, the step of oil pump cover 100 is with 200 distance measurement method of oil Pump rotor further include: measurement oil pump
Gap width C ' between lid 100 and oil Pump rotor 200.
After selecting suitable oil Pump rotor 200, the intracavitary portion of the type that oil Pump rotor 200 is mounted on oil pump cover 100, later
It also needs to redeterminate the gap width C ' between oil pump cover 100 and oil Pump rotor 200, the oil pump cover 100 after seeing assembly
Whether the gap width C ' between oil Pump rotor 200 meets regulation.
Further, the step of oil pump cover 100 is with 200 distance measurement method of oil Pump rotor further include: comparative measurements
Gap width C ' and requirement gap width C.
The gap width C of the gap width C ' of measurement and requirement are compared, if the gap width C ' of measurement is in desired gap
Within the scope of value C, meet regulation；If the gap width C ' of measurement is not within the scope of desired gap width C, it is also necessary to turn to oil pump
Son 200 re-starts assembly or replacement, so that the gap width C after oil pump cover 100 and oil Pump rotor 200 cooperate meets regulation.
Further, the step of oil pump cover 100 is with 200 distance measurement method of oil Pump rotor further include: measure again
101 depth A of oil pump cover cavity.
101 depth A of oil pump cover cavity is measured again, guarantees the accuracy of measurement data.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (8)
1. a kind of depth of cavity measurement method, which is characterized in that the step of depth of cavity measurement method includes:
It selects at the 10mm apart from oil pump cover cavity central axis as benchmark face；
3 points of selection in datum level；
Point-to-point measurement is carried out using probe, obtains oil pump cover depth of cavity.
2. a kind of oil pump cover and oil Pump rotor distance measurement method, which is characterized in that the oil pump cover and oil Pump rotor distance are surveyed
The step of amount method includes depth of cavity measurement method as described in claim 1, further includes:
According to the gap width between oil pump cover and oil Pump rotor, the thickness of oil Pump rotor is obtained.
3. oil pump cover according to claim 2 and oil Pump rotor distance measurement method, which is characterized in that the oil pump cover with
Oil Pump rotor distance measurement method further include:
Measure the thickness of selected oil Pump rotor.
4. oil pump cover according to claim 3 and oil Pump rotor distance measurement method, which is characterized in that the measurement oil pump
The thickness of rotor includes the following steps:
Select oil Pump rotor upper surface for benchmark face；
3 points of selection in datum level；
Point-to-point measurement is carried out using probe, obtains the thickness of oil Pump rotor.
5. oil pump cover according to claim 4 and oil Pump rotor distance measurement method, which is characterized in that the oil pump cover with
Oil Pump rotor distance measurement method further includes following steps:
The thickness of more calculated oil Pump rotor and the thickness for measuring selected oil Pump rotor.
6. oil pump cover according to claim 5 and oil Pump rotor distance measurement method, which is characterized in that the oil pump cover with
The step of oil Pump rotor distance measurement method further include:
Measure the gap width between oil pump cover and oil Pump rotor.
7. oil pump cover according to claim 6 and oil Pump rotor distance measurement method, which is characterized in that the oil pump cover with
The step of oil Pump rotor distance measurement method further include:
The gap width of comparative measurements and the gap width of requirement.
8. oil pump cover according to claim 2 and oil Pump rotor distance measurement method, which is characterized in that the oil pump cover with
The step of oil Pump rotor distance measurement method further include:
Oil pump cover depth of cavity is measured again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811306116.2A CN109458913A (en) | 2018-11-02 | 2018-11-02 | Depth of cavity measurement method and oil pump cover and oil Pump rotor distance measurement method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811306116.2A CN109458913A (en) | 2018-11-02 | 2018-11-02 | Depth of cavity measurement method and oil pump cover and oil Pump rotor distance measurement method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109458913A true CN109458913A (en) | 2019-03-12 |
Family
ID=65609417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811306116.2A Pending CN109458913A (en) | 2018-11-02 | 2018-11-02 | Depth of cavity measurement method and oil pump cover and oil Pump rotor distance measurement method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109458913A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5870835A (en) * | 1997-06-17 | 1999-02-16 | Hunter Engineering Company | Automotive measuring gauge |
| CN101464127A (en) * | 2009-01-15 | 2009-06-24 | 宁波圣龙汽车动力系统股份有限公司 | Measuring method and measuring apparatus for depth or end-face clearance of mechanical product cavity |
| CN202197190U (en) * | 2011-08-29 | 2012-04-18 | 宁波宏领电机有限公司 | Quick fixture for motor shell |
| CN204922470U (en) * | 2015-06-18 | 2015-12-30 | 南京创新机油泵制造有限公司 | Rotor cavity sets up oil pump on pump cover |
| JP2017142207A (en) * | 2016-02-12 | 2017-08-17 | トヨタ自動車株式会社 | Method for measuring position of reference surface |
-
2018
- 2018-11-02 CN CN201811306116.2A patent/CN109458913A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5870835A (en) * | 1997-06-17 | 1999-02-16 | Hunter Engineering Company | Automotive measuring gauge |
| CN101464127A (en) * | 2009-01-15 | 2009-06-24 | 宁波圣龙汽车动力系统股份有限公司 | Measuring method and measuring apparatus for depth or end-face clearance of mechanical product cavity |
| CN202197190U (en) * | 2011-08-29 | 2012-04-18 | 宁波宏领电机有限公司 | Quick fixture for motor shell |
| CN204922470U (en) * | 2015-06-18 | 2015-12-30 | 南京创新机油泵制造有限公司 | Rotor cavity sets up oil pump on pump cover |
| JP2017142207A (en) * | 2016-02-12 | 2017-08-17 | トヨタ自動車株式会社 | Method for measuring position of reference surface |
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Application publication date: 20190312 |
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