CN209181763U - Cylinder holes roughness measuring device - Google Patents
Cylinder holes roughness measuring device Download PDFInfo
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- CN209181763U CN209181763U CN201822227270.2U CN201822227270U CN209181763U CN 209181763 U CN209181763 U CN 209181763U CN 201822227270 U CN201822227270 U CN 201822227270U CN 209181763 U CN209181763 U CN 209181763U
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- Prior art keywords
- cylinder holes
- shell
- measuring device
- measurement
- roughness measuring
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model relates to field of measuring technique, disclose a kind of cylinder holes roughness measuring device.The cylinder holes roughness measuring device includes: shell (3), and the shell (3) is set as that the cylinder holes (4) are matched and can extend into the diameter of cylinder holes to be detected (4);It measures sensing element (6), measurement sensing element (6) includes the measuring head (5) that can stretch out the shell (3), and the measuring head (5) is resisted against the inner wall of the cylinder holes (4) telescopically to realize DATA REASONING.The utility model is directly protruding into cylinder holes consequently facilitating positioning to whole device by the shell that size matches with cylinder holes diameter, and then it is resisted against cylinder holes inner wall in measurement range convenient for measuring head and carries out DATA REASONING, improve the stability of measurement process, so that measurement result is more accurate, it solves the problems, such as to amplify position error when the measurement of existing tooling, improves measurement efficiency.
Description
Technical field
The utility model relates to field of measuring technique, more particularly to a kind of cylinder holes roughness measuring device.
Background technique
In machine components cutting process, due to the influence of the composite factors such as processing method, technological parameter, material property,
It inevitably will form some traces in workpiece surface, create the small peak valley of workpiece surface and related geometrical property.
And workpiece surface structure directly affects the important performances such as leakproofness, corrosion resistance, fatigue strength, the wearability of product.
The method of common measurement workpiece surface roughness is by roughmeter, and roughmeter can not only be with nanoscale
Precision mapping part surface characteristics, while the analysis and evaluation of data can also be carried out according to ISO and national standard.Due to
Roughness parameter belongs to the characteristic that part microcosmic surface is reflected, so in order to guarantee measurement accuracy, the Z-direction of roughness sensor
Range is only 1 millimeter.
The device that existing tooling is used when measuring cylinder holes roughness is as shown in Figure 1, mainly fixed with cylinder body cylinder holes top surface
Position, using 1 knob tensioner sensor mechanism of tensioner locating piece and screw rod 2, sensor mechanism and screw rod 2 are resisted against in cylinder holes relatively
Wall makes the stylus in sensor mechanism be resisted against cylinder holes inner wall to complete to measure, works as measurement using lever principle adjusting screw rod
Since the mismachining tolerance of tensioner locating piece and the leverage of top surface anchor point can will position when the surface roughness of different depth
Error amplification, causes measurement sensor to outrange, as shown in Fig. 2, influencing measurement result, or even is unable to complete measurement.Measurement effect
Rate is lower.
Utility model content
The purpose of the utility model is to provide one kind to overcome the problems, such as that prior art position error is amplified, and improves measurement effect
The cylinder holes roughness measuring device of rate and measurement result precision.
To achieve the goals above, the utility model provides a kind of cylinder holes roughness measuring device, comprising:
Shell, the shell are set as that the cylinder holes is matched and can extend into the diameter of cylinder holes to be detected;
Sensing element is measured, the measurement sensing element includes the measuring head that can stretch out the shell, the measuring head
It is resisted against the inner wall of the cylinder holes telescopically to realize DATA REASONING.
Preferably, the shell is set as the cylindrical tube structure that diameter and the cylinder holes diameter match.
Preferably, the housing exterior walls are equipped with notch, and the measuring head is set as extending along the cylinder holes radial direction
And it is stretched out from the notch.
Preferably, the cylinder holes roughness measuring device includes that the measuring head is driven to carry out along the cylinder holes radial direction
Flexible driving motor.
Preferably, it is rectangle or circular blind hole that the notch, which is cross section,.
Preferably, the cylinder holes roughness measuring device includes the adjusting spiral shell for adjusting the measuring head extension elongation
The measurement sensing element is fixed in bar, one end of the adjusting screw rod, and the other end of the adjusting screw rod is pierced by the shell
And it is fixed by nut relative to the shell.
Preferably, the enclosure interior is equipped with the sensor frame for the measurement sensing element to be arranged, the adjusting spiral shell
The sensor frame is fixed in one end of bar.
Preferably, the housing exterior walls are equipped with along the spaced multiple pin holes of short transverse and are alternatively installed at
The positioning pin of any one of pin hole, the positioning pin can be arranged in the outer of the cylinder holes to protrude into institute to the shell
The length for stating cylinder holes is positioned.
Preferably, the housing bottom is provided with the hemispherical guide head for guiding the shell to protrude into the cylinder holes.
Preferably, the case top is equipped with handle.
Through the above technical solutions, the utility model is directly protruding into cylinder by the shell that size and cylinder holes diameter match
Hole is consequently facilitating position whole device, and then be resisted against cylinder holes inner wall in measurement range convenient for measuring head and carry out data
Measurement, improves the stability of measurement process, so that measurement result is more accurate, solves position error when existing tooling measures
The problem of amplification, improves measurement efficiency, in addition, the present apparatus can also be by the entire shell of movement to measure different directions in cylinder holes
With the surface roughness of depth.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of cylinder holes roughness measuring device in the prior art;
Fig. 2 is the structural schematic diagram under the use state of the cylinder holes roughness measuring device of Fig. 1;
Fig. 3 is a kind of structural schematic diagram of the cylinder holes roughness measuring device of embodiment of the utility model.
Description of symbols
1-locating piece, 2-screw rods, 3-shells, 4-cylinder holes, 5-measuring heads, 6-measurement sensing elements, 7-notches,
8-adjusting screw rods, 9-nuts, 10-sensor frames, 11-pin holes, 12-positioning pins, 13-guide heads, 14-handles.
Specific embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein
Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.
In conjunction with Fig. 3, the utility model provides a kind of cylinder holes roughness measuring device, comprising:
Shell 3, the shell 3 are set as that the cylinder holes 4 is matched and can extend into the diameter of cylinder holes 4 to be detected;
Sensing element 6 is measured, the measurement sensing element 6 includes the measuring head 5 that can stretch out the shell 3, the survey
Amount head 5 is resisted against the inner wall of the cylinder holes 4 telescopically to realize DATA REASONING.
It should be noted that the shell 3 and the diameter of the cylinder holes 4, which match, can be understood as the width of the shell 3
Degree or diameter are set as diameter that is equivalent or being slightly less than the cylinder holes 4, to guarantee that the shell 3 can protrude into the cylinder holes just
The problems such as in 4 and being not in shaking, offset, so that the measurement process for subsequent measuring head 5 provides location base.
Wherein, the measurement sensing element 6 can use arbitrarily can be realized surface finish measurement in the prior art
Device or structure.Under normal conditions, it needs to carry out calibration zeroing to the measurement sensing element 6 before measurement, pass through as standard
Measuring head 5 elongates or shortens to be resisted against the inner wall of the cylinder holes 4, and then obtains measurement result, thus can determine whether cylinder holes 4
Inner surface different location is protrusion or recess, roughness scenario in final acquisition cylinder holes relative to the datum level of zeroing.It can be with
Understand, by rotating, being raised and lowered the shell 3, the measuring head 5 can be made to be resisted against cylinder holes inner wall difference position
It sets, to realize the measurement of the surface roughness of different directions and depth in cylinder holes 4.
Further, the cylinder holes roughness measuring device further includes that can assist 6 pairs of the measurement sensing element measurements
As a result the control unit for being sampled and being saved data receives the signal of measurement sensing element 6 by control unit and carries out letter
Number processing judgement, the final measurement result for obtaining roughness.
Through the above technical solutions, the utility model is directly protruding into cylinder by the shell that size and cylinder holes diameter match
Hole is consequently facilitating position whole device, and then be resisted against cylinder holes inner wall in measurement range convenient for measuring head and carry out data
Measurement, improves the stability of measurement process, so that measurement result is more accurate, solves position error when existing tooling measures
The problem of amplification, improves measurement efficiency, avoids the problem that outranging in measurement sensing unit use process, in addition, the present apparatus is also
The surface roughness of different directions and depth in cylinder holes can be measured by the entire shell of movement.What needs to be explained here is that
The shell 3 preferably uses nylon material, lightweight and convenient, is convenient for practical application.
Since existing cylinder holes is usually cylinder, it is contemplated that protrude into installation convenient for shell 3, it is preferable that the shell 3 is set
It is set to the cylindrical tube structure that diameter and 4 diameter of cylinder holes match.The shell 3 can protrude into described just as a result,
Cylinder holes 4, and during rotating shell 3 to measure different directions surface roughness in cylinder holes, convenient for the measuring head 5 with
Contact between 4 inner wall of cylinder holes.
In present embodiment, during measuring to 4 inner wall roughness of cylinder holes, the measuring head 5 will be with cylinder
The concave-convex situation of 4 inner surface of hole is elongated or shortened as adaptability, to guarantee that the measuring head 5 is resisted against the cylinder holes 4 always
Inner wall, to realize DATA REASONING, measuring head 5 described here can use stylus, tip diameter 2um.
It according to the above records, need to be the measurement on the shell 3 in order to realize the free extension of the measuring head 5
First 5 reserve sufficient extendable room, and specifically, 3 outer wall of shell is equipped with notch 7, and the measuring head 5 is set as edge
4 radial direction of cylinder holes extends and stretches out from the notch 7, to prevent the stretching motion of the measuring head 5 by described
The influence of shell 3 avoids the measuring head 5 from being placed in 3 inside of the shell when shortening and can not lean with 4 inner wall of cylinder holes
It happens, guarantees that measurement is normally carried out.
Specifically, the notch 7 can be understood as forming along the 3 outer wall indent of shell, it is of course possible to be set as appointing
The suitable shape of meaning, specifically, in some embodiments, it is rectangular blind for can setting the notch 7 to cross section
Hole, in some other embodiment, can set the notch 7 to cross section is circular blind hole.
And be set as extending and stretching along 4 radial direction of cylinder holes by the measuring head 5, it is in order to circumferentially
During 4 roughness of orientation measurement cylinder holes, guarantee that the measurement standard in all directions is mutually unified, to guarantee the accurate of measurement result
Property.It is worth noting that, the measuring head 5 is arranged on the shell 3, it can be with 3 synchronizing moving of shell, the measurement
There is only the relative motions along the cylinder holes 4 in the radial direction between first 5 and the shell 3.
In present embodiment, the cylinder holes roughness measuring device further includes driving the measuring head 5 along 4 diameter of cylinder holes
Flexible driving motor is carried out to direction.After starting, the measuring head 5 is controlled along 4 radial direction of cylinder holes by driving motor
It is for linear motion, until the measuring head 5 can be resisted against inner wall and start to measure.It can be said that described in the driving motor conduct
The a part for measuring sensing unit 6 realizes the measurement function of the measurement sensing unit 6 jointly.
After the measuring device through a long time use of the utility model, the abrasion of measuring head 5 inevitably occurs
Situations such as, it thus would potentially result in extending even if the measuring head 5 and be moved to uppe r limit of measurement range all and can not touch in cylinder holes 4
The case where wall, occurs, therefore, to guarantee that the normal measurement after measuring device abrasion uses, the cylinder holes roughness measuring device packet
The adjusting screw rod 8 for adjusting 5 extension elongation of measuring head is included, one end of the adjusting screw rod 8 is fixed on the measurement and is passed
Sensing unit 6, the other end of the adjusting screw rod 8 are pierced by the shell 3 and are fixed by nut 9 relative to the shell 3.By
This, will push the measurement sensing element 6 whole mobile close to 4 inner wall of cylinder holes, so that described by rotating the adjusting screw rod 8
Measuring head 5 can touch 4 inner wall of cylinder holes in measurement range, guarantee that measurement is normally carried out, when the adjusting screw rod 8 rotates to
It can also be made fixed relative to the shell 3 behind position by rotating nuts 9.
It should be noted that being needed when being adjusted using the position of 8 pairs of the adjusting screw rod whole measurement sensing elements 6
Zeroing is recalibrated after the completion of adjusting, is further continued for completing subsequent measurement work.
In order to realize the installation of the measurement sensing element 6, it is equipped with inside the shell 3 for the measurement sensing to be arranged
The sensor frame 10 is fixed in the sensor frame 10 of element 6, one end of the adjusting screw rod 8.In this way, by rotating the tune
Section screw rod 8 will push the sensor frame 10 mobile close to 4 inner wall of cylinder holes, since the moving distance is very small, Ke Yili
Solution, to make up the wear error of the measuring head 5, makes the measurement to push up the sensor frame 10 to 4 inner wall direction of cylinder holes
First 5 can touch 4 inner wall of cylinder holes by elongation in measurement range.Wherein, the sensor frame 10 can be set to
The shape and structure of any suitable, as long as can be used in installing the measurement sensing element 6 and meet 5 energy of measuring head after installation
It is enough to be stretched out from shell 3.
As one of embodiment, in the present embodiment, closely the notch 7 is arranged and sets the sensor frame 10
It is set to and extends along 3 axial direction of shell, in order to installation positioning of the sensor frame 10 in the shell 3.
It is understood that, to obtain comprehensive measurement result, need to be carried out in cylinder holes 4 during 4 roughness concentration of cylinder holes
The wall roughness concentration with each position in short transverse along circumferential direction.Based on above-mentioned requirements, to realize on different height direction
Measurement, the depth that the shell 3 protrudes into the cylinder holes 4 need to be adjusted, correspondingly, the measuring head 5 rises with the shell 3 is synchronous
High or reduction can be resisted against on the different height of 4 inner wall of cylinder holes, and then meet the measurement request on different height direction.
Specifically, 3 outer wall of shell, which is equipped with, along the spaced multiple pin holes 11 of short transverse and selectively pacifies
Positioning pin 12 loaded on any one of pin hole 11, the positioning pin 12 can be arranged in the outer of the cylinder holes 4 to institute
It states shell 3 and protrudes into the length of the cylinder holes 4 and positioned.
As it can be seen that can be to the shell 3 for protruding into the cylinder holes 4 by the way that the positioning pin 12 is fastened on 4 outer of cylinder holes
It is positioned, wherein the shape and structure of the positioning pin 12 can carry out under the premise of 4 outer of cylinder holes can be fastened on by meeting
Any selection, one end of the positioning pin 12 can extend into the pin hole 11, and the other end is then extended out to along the pin hole 11
Beyond 4 internal diameter of cylinder holes so as to be fastened on 4 outer of cylinder holes.
By selecting the pin hole 11 of arbitrary height to install the positioning pin 12 and the positioning pin 12 being arranged in institute
4 outer of cylinder holes is stated, can be realized the adjusting that the shell 3 protrudes into the height of the cylinder holes 4, to measure inner wall in measuring head 5
The shell 3 is positioned during roughness at different height position, guarantees the stability of measurement process, guarantees measurement knot
The accuracy of fruit.Further, the measuring head 5 can also be kept synchronous with the shell 3 by rotating shell 3 after altitude location
Rotation realizes the measurement of roughness to be resisted against 4 inner wall of cylinder holes along circumferential direction in each position.
In order to protrude into the cylinder holes 4 convenient for the shell 3 in above-mentioned measurement process, to reduce the mill of the shell 3
Damage, 3 bottom of shell is provided with the hemispherical guide head 13 for guiding the shell 3 to protrude into the cylinder holes 4.
According to being described above, mobile 3 position of shell, along circumferential direction and high to carry out 4 inner wall of cylinder holes for convenience
The comprehensive measurement of roughness of each position on direction is spent, is equipped with handle 14 at the top of the shell 3.In turn, it can be somebody's turn to do by holding
Handle 14 adjusts the shell 3 and protrudes into the depth of the cylinder holes 4 to realize the measurement of different height roughness, and by holding institute
It states handle 14 and rotates the shell 3 to realize the measurement of sustained height circumferential direction roughness.
Preferred embodiments of the present invention, still, the utility model and unlimited are described in detail in conjunction with attached drawing above
In this.In the range of the technology design of the utility model, a variety of simple variants can be carried out to the technical solution of the utility model,
It is combined in any suitable manner including each particular technique feature.In order to avoid unnecessary repetition, the utility model
To various combinations of possible ways, no further explanation will be given.But these simple variants and combination equally should be considered as the utility model institute
Disclosure belongs to the protection scope of the utility model.
Claims (10)
1. a kind of cylinder holes roughness measuring device characterized by comprising
Shell (3), the shell (3) are set as matching with the diameter of cylinder holes to be detected (4) and can extend into the cylinder holes
(4);
It measures sensing element (6), measurement sensing element (6) includes the measuring head (5) that can stretch out the shell (3), institute
It states measuring head (5) and is resisted against the inner wall of the cylinder holes (4) telescopically to realize DATA REASONING.
2. cylinder holes roughness measuring device according to claim 1, which is characterized in that the shell (3) is set as diameter
The cylindrical tube structure to match with the cylinder holes (4) diameter.
3. cylinder holes roughness measuring device according to claim 1, which is characterized in that shell (3) outer wall is equipped with
Notch (7), the measuring head (5) are set as extending along the cylinder holes (4) radial direction and stretching out from the notch (7).
4. cylinder holes roughness measuring device according to claim 3, which is characterized in that the cylinder holes roughness measuring device
Including driving the measuring head (5) to carry out flexible driving motor along the cylinder holes (4) radial direction.
5. cylinder holes roughness measuring device according to claim 3, which is characterized in that the notch (7) is for cross section
Rectangle or circular blind hole.
6. cylinder holes roughness measuring device according to claim 1, which is characterized in that the cylinder holes roughness measuring device
Including the adjusting screw rod (8) for adjusting the measuring head (5) extension elongation, institute is fixed in one end of the adjusting screw rod (8)
Measurement sensing element (6) is stated, the other end of the adjusting screw rod (8) is pierced by the shell (3) and by nut (9) relative to institute
It is fixed to state shell (3).
7. cylinder holes roughness measuring device according to claim 6, which is characterized in that be equipped with and use inside the shell (3)
In the sensor frame (10) that measurement sensing element (6) is arranged, the sensor is fixed in one end of the adjusting screw rod (8)
Frame (10).
8. cylinder holes roughness measuring device according to claim 1, which is characterized in that shell (3) outer wall is equipped with edge
The spaced multiple pin holes (11) of short transverse and the positioning pin for being alternatively installed at any one of pin hole (11)
(12), the positioning pin (12) can be arranged in the outer of the cylinder holes (4) to protrude into the cylinder holes (4) to the shell (3)
Length positioned.
9. cylinder holes roughness measuring device according to claim 1, which is characterized in that shell (3) bottom is provided with
For guiding the shell (3) to protrude into the hemispherical guide head (13) of the cylinder holes (4).
10. cylinder holes roughness measuring device described in any one of -9 according to claim 1, which is characterized in that the shell
(3) top is equipped with handle (14).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201822227270.2U CN209181763U (en) | 2018-12-27 | 2018-12-27 | Cylinder holes roughness measuring device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201822227270.2U CN209181763U (en) | 2018-12-27 | 2018-12-27 | Cylinder holes roughness measuring device |
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CN209181763U true CN209181763U (en) | 2019-07-30 |
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CN201822227270.2U Expired - Fee Related CN209181763U (en) | 2018-12-27 | 2018-12-27 | Cylinder holes roughness measuring device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110542400A (en) * | 2019-09-10 | 2019-12-06 | 广东职业技术学院 | long pipe inner wall roughness measuring device based on test metering technology and measuring method thereof |
CN114877853A (en) * | 2022-04-21 | 2022-08-09 | 东风柳州汽车有限公司 | Cylinder hole reticulate pattern parameter measuring device |
-
2018
- 2018-12-27 CN CN201822227270.2U patent/CN209181763U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110542400A (en) * | 2019-09-10 | 2019-12-06 | 广东职业技术学院 | long pipe inner wall roughness measuring device based on test metering technology and measuring method thereof |
CN110542400B (en) * | 2019-09-10 | 2021-03-16 | 广东职业技术学院 | Long pipe inner wall roughness measuring device based on test metering technology and measuring method thereof |
CN114877853A (en) * | 2022-04-21 | 2022-08-09 | 东风柳州汽车有限公司 | Cylinder hole reticulate pattern parameter measuring device |
CN114877853B (en) * | 2022-04-21 | 2023-07-07 | 东风柳州汽车有限公司 | Cylinder hole reticulate pattern parameter measuring device |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190730 Termination date: 20211227 |
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CF01 | Termination of patent right due to non-payment of annual fee |