CN205373688U - A examine utensil and calibration piece for detecting engine oil seal pressure equipment part - Google Patents
A examine utensil and calibration piece for detecting engine oil seal pressure equipment part Download PDFInfo
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- CN205373688U CN205373688U CN201620147700.8U CN201620147700U CN205373688U CN 205373688 U CN205373688 U CN 205373688U CN 201620147700 U CN201620147700 U CN 201620147700U CN 205373688 U CN205373688 U CN 205373688U
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Abstract
The utility model relates to a measurement field discloses an examine utensil and calibration piece for detecting engine oil seal pressure equipment part, should examine the utensil and include: examine a body (10), should examine a body (10) and have measuring basis face (11), with measure (20), should measurement piece (20) install in examine a body (10) and have the perpendicular to the measurement portion (21) of measuring basis face (11) scalable setting. Can remain certain measuring force throughout owing to measuring (20), and the flexible volume of the reading of demonstration on measuring the piece for measurement portion to not only can avoid measuring result to produce great error because of the survey crew gimmick, easy operation moreover, the reading is convenient.
Description
Technical field
This utility model relates to fields of measurement, in particular it relates to a kind of cubing press-fiting parts for detecting engine oil seal.Additionally this utility model further relates to the calibrating device for this cubing.
Background technology
In order to meet the functional requirement of the electromotor as automobile heart, it is necessary to assure processing and the precision in assembling process.Particularly the overall performance press-fiting quality and electromotor of engine crankshaft front and rear oil seals is closely related.And the parameter evaluating oil seal pressing quality has: 1) oil sealing press-fit the degree of depth；With 2) oil sealing centrage and the perpendicularity press-fiting datum level.
Adopt now slide calliper rule etc. to be inserted into oil sealing to measure more.But, formed by soft materials such as rubber owing to oil sealing is many, therefore, the process utilize kind of calliper is easily subject to the impact of measurement power, it is to say, when different measuring personnel measure, it is easy to produce bigger error because it measures maneuver and the different of measurement power.
In order to realize high performance data acquisition, it is possible to adopt three-coordinates measuring machine measurement.But, when measuring, it is necessary to being placed on the test desk of three-coordinates measuring machine by whole electromotor can carry out, therefore inefficient.And, by the restriction of the size of three-coordinates measuring machine, large-scale diesel engine cannot be measured at all.
Utility model content
The purpose of this utility model is to provide a kind of engine oil seal that detects and press-fits the cubing of parts, and this cubing is it can be avoided that produce bigger error because of survey crew maneuver, and can obtain measurement result in time.
To achieve these goals, this utility model provides a kind of cubing press-fiting parts for detecting engine oil seal, and this cubing includes: cubing body, and this cubing body has measurement datum；And measuring piece, this measuring piece is installed on described cubing body and has a perpendicular to the measurement portion of the scalable setting of described measurement datum.
Preferably, described measuring piece is dial gauge, and described measurement portion is the measurement bar of described dial gauge.
Preferably, described cubing body includes main part and the contact site highlighted from described main part, the raised face of this contact site is described measurement datum, and described measuring piece is arranged in the installation through hole of described main part by installed part, and this installation through hole is perpendicular to described measurement datum.
Preferably, described main part has operation groove.
Preferably, described main part has counterweight setting unit.
Preferably, described installed part includes measuring piece accommodation portion and the setting unit can being removably mounted in described cubing body, and described measuring piece accommodation portion can coordinate so that described measurement portion can with the state suspension parallel with the axis of described installation through hole with the side face that arranges of described measuring piece.
Preferably, described installed part is lining, described measuring piece accommodation portion is can with the lining inner peripheral surface of described measuring piece formation matched in clearance, described setting unit includes insert and forms the multiple elastic contact part on described lining top, described elastic contact part is provided with the groove coordinated with described insert, described insert be penetratingly formed in described cubing body and with described installation through hole vertically through fixed via abut to described groove so that described elastic contact part deformation is thus clamping described measuring piece.
This utility model also provides for a kind of calibrating device, this calibrating device is provided with the calibration datum level and calibration measurement face that are parallel to each other, described calibration datum level is for coordinating with measurement datum, described calibration measurement face is for coordinating with measurement portion, and the distance between calibration datum level and calibration measurement face is calibration depth H.
Described by technique scheme, measurement portion due to this cubing measurement datum He the scalable setting being perpendicular to this measurement datum, it is thus possible to what this measurement datum was coupled to engine components press-fits on datum level, make measurement portion touch the measurement surface of engine components simultaneously.Now, owing to measuring piece can remain certain measurement power, and it is shown in the stroke that the reading on measuring piece is measurement portion, thus being not only able to avoid measurement result to produce bigger error because of survey crew maneuver, and also simple to operate, convenient reading.
Other features and advantages of the utility model will be described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to offer and is further appreciated by of the present utility model, and constitutes a part for description, is used for explaining this utility model, but is not intended that restriction of the present utility model together with detailed description below.In the accompanying drawings:
Fig. 1 is the front view of a kind of detailed description of the invention of the cubing press-fiting parts for engine oil seal described in the utility model.
Fig. 2 is the right view (measuring piece 20 is represented by dotted lines) of a kind of detailed description of the invention of the cubing press-fiting parts for engine oil seal described in the utility model.
Fig. 3 is the A-A sectional view (measuring piece 20 is represented by dotted lines) of Fig. 1.
Fig. 4 is the front view of the calibrating device in the detection system press-fiting parts for engine oil seal described in the utility model.
Fig. 5 is the left view of the calibrating device in the detection system press-fiting parts for engine oil seal described in the utility model.
Fig. 6 is the use view (measuring piece 20 is represented by dotted lines) of the cubing press-fiting parts for engine oil seal described in the utility model.
Description of reference numerals
10 cubing body 11 measurement datums
12 main part 13 contact sites
14 install through hole 15 operates groove
16 counterweight setting units
20 measuring piece 21 measurement portions
22 reading portion 23 installation portions
30 engine components 31 press-fit datum level
40 oil seals 41 measure surface
50 installed part 51 measuring piece accommodation portions
52 elastic contact part 53 inserts
60 calibrating devices 61 calibrate datum level
62 calibration measurement faces
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.It should be appreciated that detailed description of the invention described herein is merely to illustrate and explains this utility model, it is not limited to this utility model.
In this utility model, when not making contrary explanation, the noun of locality of use typically refers to reference to upper and lower, left and right shown in the drawings such as " upper and lower, left and right "；It is inside and outside that " inside and outside " refers to relative to the profile of each parts itself.
This utility model provides a kind of cubing press-fiting parts for detecting engine oil seal, this cubing includes cubing body 10 and measuring piece 20 as shown in Figure 6, wherein cubing body 10 has measurement datum 11, and measuring piece 20 is installed on cubing body 10 and has a perpendicular to the measurement portion 21 of the scalable setting of measurement datum 11.When utilizing this cubing to carry out oil seal pressing depth detection, what measurement datum 11 can easily be used for contacting engine components 30 press-fits datum level 31, and can utilize and stretch out, from measurement datum 11, the measurement surface 41 of oil seal 40 that measurement portion 21 contact of measuring piece 20 is fitted in engine components 30, thus fast and reliable ground obtains measured value.
As a kind of preferred implementation of the present utility model, measuring piece 20 is dial gauge, and measurement portion 21 is for measuring bar, and this measurement bar can stretch relative to dial gauge body.Specifically, dial gauge is machinery dial gauge, including be used as measurement portion 21 measure bar, as the dial plate of reading portion 23 and be connected to the installation portion 22 between reading portion 23 and measurement portion 21.Cubing body 10 can fixedly mount portion 22, so that the measurement portion 21 flexible relative to installation portion 22 can be perpendicular to the scalable setting of measurement datum 11.
Utilize dial gauge to ensure that dynamometry during measurement is constant as measuring piece, and dynamometry is not more than 2N, and then reliably avoid causing because artificial origin extrudes oil sealing bigger error.It addition, measured by cubing described in the utility model, owing to not having the measurement transmission mechanism of centre, its process meets abbe ' s principle, and measurement result is accurate.
As shown in Figures 2 and 3, cubing body 10 includes main part 12 and the contact site 13 highlighted from main part 12, the raised face of this contact site 13 is measurement datum 11, and measuring piece 20 is arranged in the installation through hole 14 of main part 12 by installed part 50, and this installation through hole 14 is perpendicular to measurement datum 11.
For the ease of the hand-held cubing described in the utility model of operator, it is preferable that main part 12 has operation groove 15.This groove 15 can either for being symmetricly set on main part 12 opposite sides, also can be arranged on main part 12 all-round on.
In order to improve the versatility of cubing, enabling cubing to be applicable to the measuring piece 20 of Different Weight, described main part 12 has counterweight setting unit 16.Specifically, this counterweight setting unit 16 can be formed as tapped blind hole such that it is able to carrys out conjunction measuring part by the counterweight part of fixing Different Weight, makes cubing in use can remain stable, improves the accuracy of measurement further.
Installed part 50 can be formed as various forms, as long as measuring piece can be fixed in installation through hole 14 by it.Specifically, installed part 50 includes measuring piece accommodation portion 51 and the setting unit can being removably mounted in cubing body 10.Installed part 50 is formed as cylinder, and measuring piece accommodation portion 51 is the inner peripheral surface that side face coordinates that arranges with measuring piece 20 such that it is able to make measurement portion 21 with the state suspension parallel with the axis installing through hole 14.Compared to support of the prior art, it is possible to reliably ensure the perpendicularity of measuring piece 20 and measurement datum 11.Setting unit can be form the connection screw thread in cylinder periphery, it is also possible to is formed as being arranged on the flange on cylinder top.When setting unit is flange, it is possible to adjust, by the clearance gauge sandwiching different-thickness between face that arranges relative with flange on flange and cubing main body 12, the length that measurement portion 21 stretches out from measurement datum 11.
As a kind of detailed description of the invention of the present utility model, installed part 50 is lining, measuring piece accommodation portion 51 can form the lining inner peripheral surface of matched in clearance with measuring piece 20, setting unit includes insert 53 and forms the multiple elastic contact part 52 on lining top, elastic contact part 52 is provided with the groove coordinated with insert 53, insert 53 be penetratingly formed in cubing body 10 and with install through hole 14 vertically through fixed via 17 abut to groove so that elastic contact part 52 deformation is thus clamping measuring piece 20.
Utilize above-mentioned lining as installed part, without installing structures such as being threaded on through hole 14, it is thus possible to reliably ensure to install the machining accuracy of through hole 14, and utilize that coordinating between inner peripheral surface and the lining outer peripheral face of installing through hole 14 improves measuring piece further precision is set.Further, since what formed between the installation portion 23 of lining inner peripheral surface and measuring piece 20 is matched in clearance, thus removing after insert 53, measuring piece 20 can easily be pulled down cubing main body, carries out detecting, keeps in repair, the operation such as replacement.
More further, this utility model utilizes insert 53 to abut in elastic contact part 52 so that it is produce deformation it is thus possible to clamp measuring piece 20.And when measurement portion 21 is adjusted by needs from measurement datum extension elongation, only need to regulate insert position in fixed via 17, the position that heads into making insert 53 shoals, and makes to revert to matched in clearance between installation portion 23 and sleeve inner surface, it becomes possible to easily vary above-mentioned extension elongation.Specifically, as it is shown in figure 1, this elastic contact part 52 is formed with three, it is distributed on the circumference of lining.
Additionally, this utility model also provides for a kind of calibrating device, as shown in Figure 4 and Figure 5, this calibrating device 60 is provided with the calibration measurement face 62 being parallel to each other and calibration datum level 61, calibration datum level 61 is for coordinating with measurement datum 11, calibration measurement face 62 is for coordinating with measurement portion 21, and the distance between calibration measurement face 62 and calibration datum level 61 is calibration depth H.This calibration depth H nominal value is the intermediate value of tested oil sealing depth tolerances, and this intermediate value refers to the maximum Hmax of the degree of depth to be measured and the meansigma methods of the minimum Hmin of the degree of depth to be measured.Such as, crankshaft front oil seal-mounting press-fits allowable depth is 3.4 ± 0.4mm, say, that maximum Hmax is 3.8mm, minimum Hmin is 3mm, then calibrating device depth H nominal value is 3.4mm.Such as, pressed assembling of rear oil seal of carnkshaft allowable depth isIt is to say, maximum Hmax is 0.4mm, minimum Hmin is 0mm, then calibrating device depth H nominal value is 0.2mm.
As it has been described above, utilize this calibrating device that the cubing of offer described in the utility model is calibrated, namely measuring piece 20 is carried out compared with zero such that it is able to improve detection efficiency significantly.It addition, this calibrating device 60 can be provided with multiple according to the difference of the calibration degree of depth measured needed for parts to be detected such that it is able to improve further and measure efficiency, it is to avoid the time waste that relatively zero causes repeatedly.
Detection method when press-fiting the degree of depth utilizing cubing described in the utility model and calibrating device detection engine oil seal to press-fit parts is described below, this engine oil seal press-fits parts and includes having the engine components 30 press-fiting datum level 31 and the oil seal 40 being fitted in engine components, and this detection method comprises the steps: that the measuring piece 20 being arranged in cubing is carried out school zero by calibrating device 60 by (a)；B the cubing being provided with measuring piece 20 is arranged on engine oil seal to be measured and press-fits on parts by (), make measurement datum 11 laminating of cubing press-fit datum level 31；C reading behind the measurement surface 41 of the measurement portion 21 contact seal part 40 of () measuring piece 20, the engine oil seal that institute's reading value is to be measured press-fits the oil seal pressing degree of depth difference relative to the calibration depth H of calibrating device 60 of parts.
Specifically, illustrate utilizing dial gauge to measure engine crankshaft rear oil seal as measuring piece 20.First, calibrating device 60 is utilized cubing to be carried out compared with zero, namely, the calibration datum level 61 making the measurement datum 11 on cubing body 10 and calibrating device 60 is fitted, the measurement portion 21 making measuring piece 20 contacts the calibration measurement face 62 of calibrating device 60, regulates measuring piece 20, carries out school zero.Afterwards, the cubing after high-ranking officers zero is arranged on pressed assembling of rear oil seal of carnkshaft of engine parts, i.e. make the measurement datum 11 of cubing fit with pressed assembling of rear oil seal of carnkshaft datum level 31.
Now, school zero has been carried out as reference value calibrating depth H due to the dial gauge as measuring piece 20.Therefore, when cubing after accomplishing the setting up, the measurement portion 21 of measuring piece 20 touches the measurement surface 41 of sealing member 40, it becomes possible to by the numerical value that the dial plate of dial gauge reads, this numerical value be relative to calibration depth H difference.
Additionally, detection method when press-fiting perpendicularity utilizing cubing described in the utility model and calibrating device detection engine oil seal to press-fit parts is described below, this engine oil seal press-fits parts and includes having the engine components 30 press-fiting datum level 31 and the oil seal 40 being fitted in engine components, and this detection method comprises the steps: that the measuring piece 20 being arranged in cubing is carried out school zero by calibrating device 60 by (a)；B the described cubing being provided with described measuring piece 20 is arranged on engine oil seal to be measured and press-fits on the diverse location of parts by (), this diverse location at least includes along the axially uniform at least four position of oil seal 40, makes measurement datum 11 laminating of cubing press-fit datum level 31；C () is on diverse location, make measuring piece 20 measurement portion 21 contact seal part 40 measurement surface 41 after reading, the engine oil seal that institute's reading value is to be measured press-fits the oil seal pressing degree of depth difference relative to the calibration depth H of calibrating device 60 of parts, and oil seal centrage and the perpendicularity press-fiting datum level are the 1/2 of the difference of the maximum in difference measured on diverse location and minima.
Specifically, illustrate measuring engine crankshaft rear oil seal.Carry out press-fiting the detection of perpendicularity by above-mentioned steps, above-mentioned at least four position for be preferably even number, for instance four, respectively 12 o'clock direction, 3 o'clock direction, 6 o'clock direction and 9 o'clock direction, measured numerical value is respectively as follows: H12, H3, H6 and H9.Perpendicularity conversion method can be various, for instance arithmetic mean of instantaneous value, geometrical mean, mean square, harmonic-mean, weighted mean etc., it is preferred to above-mentioned H12, H3, the maximum in H6 and H9 subtracts the half of minima.
Preferred implementation of the present utility model is described in detail above in association with accompanying drawing; but; this utility model is not limited to the detail in above-mentioned embodiment; in technology concept of the present utility model; the technical solution of the utility model can being carried out multiple simple variant, these simple variant belong to protection domain of the present utility model.
It is further to note that, each concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, it is possible to be combined by any suitable mode, in order to avoid unnecessary repetition, various possible compound modes are no longer illustrated by this utility model separately.
Additionally, can also carry out combination in any between various different embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (8)
1. one kind press-fits the cubing of parts for detecting engine oil seal, it is characterised in that this cubing includes:
Cubing body (10), this cubing body (10) has measurement datum (11)；With
Measuring piece (20), this measuring piece (20) is installed on described cubing body (10) and has a perpendicular to the measurement portion (21) of described measurement datum (11) scalable setting.
2. cubing according to claim 1, it is characterised in that described measuring piece (20) is dial gauge, the measurement bar that described measurement portion (21) is described dial gauge.
3. cubing according to claim 1, it is characterized in that, described cubing body (10) includes main part (12) and the contact site (13) highlighted from described main part (12), the raised face of this contact site (13) is described measurement datum (11), described measuring piece (20) is arranged in the installation through hole (14) of described main part (12) by installed part (50), and this installation through hole (14) is perpendicular to described measurement datum (11).
4. cubing according to claim 3, it is characterised in that described main part (12) has operation groove (15).
5. cubing according to claim 3, it is characterised in that described main part (12) has counterweight setting unit (16).
6. cubing according to claim 3, it is characterized in that, described installed part (50) includes measuring piece accommodation portion (51) and the setting unit can being removably mounted in described cubing body (10), and described measuring piece accommodation portion (51) can coordinate so that described measurement portion (21) can with the state suspension parallel with the axis of described installation through hole (14) with the side face that arranges of described measuring piece (20).
7. cubing according to claim 6, it is characterized in that, described installed part (50) is lining, described measuring piece accommodation portion (51) is can with the lining inner peripheral surface of described measuring piece (20) formation matched in clearance, described setting unit includes insert (53) and forms the multiple elastic contact part (52) on described lining top, described elastic contact part (52) is provided with the groove coordinated with described insert (53), described insert (53) be penetratingly formed in described cubing body (10) and with described installation through hole (14) vertically through fixed via (17) abut to described groove, so that (52) deformation of described elastic contact part is thus clamping described measuring piece (20).
8. a calibrating device, it is characterized in that, this calibrating device (60) is provided with the calibration datum level (61) and calibration measurement face (62) that are parallel to each other, described calibration datum level (61) is for coordinating with measurement datum (11), described calibration measurement face (62) is for coordinating with measurement portion (21), and the distance between calibration datum level (61) and calibration measurement face (62) is calibration depth H.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620147700.8U CN205373688U (en) | 2016-02-26 | 2016-02-26 | A examine utensil and calibration piece for detecting engine oil seal pressure equipment part |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620147700.8U CN205373688U (en) | 2016-02-26 | 2016-02-26 | A examine utensil and calibration piece for detecting engine oil seal pressure equipment part |
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| CN205373688U true CN205373688U (en) | 2016-07-06 |
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| CN201620147700.8U Expired - Fee Related CN205373688U (en) | 2016-02-26 | 2016-02-26 | A examine utensil and calibration piece for detecting engine oil seal pressure equipment part |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106082027A (en) * | 2016-07-26 | 2016-11-09 | 柳州金特新型耐磨材料股份有限公司 | Cubing acceptance method heavily gone up by a kind of fork truck |
| CN106276712A (en) * | 2016-07-26 | 2017-01-04 | 柳州金特新型耐磨材料股份有限公司 | Cubing acceptance method heavily gone up by a kind of fork truck |
| CN107131860A (en) * | 2016-02-26 | 2017-09-05 | 北京福田康明斯发动机有限公司 | For detecting that engine oil seal press-fits cubing, calibrating device and the detection method of part |
| CN107192367A (en) * | 2017-05-11 | 2017-09-22 | 湖北大帆汽车零部件有限公司 | A kind of new diaphragm spring tilt angle measuring apparatus |
| CN110307765A (en) * | 2018-03-20 | 2019-10-08 | 青岛海尔滚筒洗衣机有限公司 | A kind of washing machine outer cylinder oil seal detection device |
| CN114791250A (en) * | 2021-01-25 | 2022-07-26 | 北京福田康明斯发动机有限公司 | Utensil is examined in downthehole chamfer height measurement |
-
2016
- 2016-02-26 CN CN201620147700.8U patent/CN205373688U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107131860A (en) * | 2016-02-26 | 2017-09-05 | 北京福田康明斯发动机有限公司 | For detecting that engine oil seal press-fits cubing, calibrating device and the detection method of part |
| CN106082027A (en) * | 2016-07-26 | 2016-11-09 | 柳州金特新型耐磨材料股份有限公司 | Cubing acceptance method heavily gone up by a kind of fork truck |
| CN106276712A (en) * | 2016-07-26 | 2017-01-04 | 柳州金特新型耐磨材料股份有限公司 | Cubing acceptance method heavily gone up by a kind of fork truck |
| CN107192367A (en) * | 2017-05-11 | 2017-09-22 | 湖北大帆汽车零部件有限公司 | A kind of new diaphragm spring tilt angle measuring apparatus |
| CN110307765A (en) * | 2018-03-20 | 2019-10-08 | 青岛海尔滚筒洗衣机有限公司 | A kind of washing machine outer cylinder oil seal detection device |
| CN114791250A (en) * | 2021-01-25 | 2022-07-26 | 北京福田康明斯发动机有限公司 | Utensil is examined in downthehole chamfer height measurement |
| CN114791250B (en) * | 2021-01-25 | 2024-01-19 | 北京福田康明斯发动机有限公司 | Hole inner chamfer height measurement gauge |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 |
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| CF01 | Termination of patent right due to non-payment of annual fee |