CN207675138U - A kind of wave-shaped lip oil seal lip curved surface shape error measuring device - Google Patents
A kind of wave-shaped lip oil seal lip curved surface shape error measuring device Download PDFInfo
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- CN207675138U CN207675138U CN201820054350.XU CN201820054350U CN207675138U CN 207675138 U CN207675138 U CN 207675138U CN 201820054350 U CN201820054350 U CN 201820054350U CN 207675138 U CN207675138 U CN 207675138U
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Abstract
The utility model is related to a kind of wave-shaped lip oil seal lip curved surface shape error measuring device, which includes positioning and measurement regulating device, camera regulating device, measuring device and computer；Measuring device includes longitudinal laser range finder, lateral laser range finder, target, measuring rod, measurement head, upper macro head, dot laser source and lower macro head, and obtain oil seal lip curve form subsequently through measuring device carries out curved surface shape error evaluation with standard lip curved surface under the same coordinate system.This measuring device uses non-contact measurement, compared to contact measurement methods such as traditional probe measurement heads, will not apply external force to the oil sealing of soft material and cause its deformation, measurement accuracy has been effectively ensured.The utility model measuring device and measuring method solve the problems, such as that existing measuring device is difficult to accurate measured waveform lip oil seal lip curved surface shape error, can effective detection waveform lip oil sealing the accuracy of manufacture, ensure the working performance of oil sealing.
Description
Technical field
The utility model is related to a kind of wave-shaped lip oil seal lip curved surface shape error measuring devices, belong to wave-shaped lip oil seal skill
Art field.
Background technology
Sealing technique is to realize one of modernization transmission and the key technology of control.Although sealing element is often in equipment
Widget, cost is insignificant for complete machine, but failure rate is very high, is played to the safety of equipment heavy to closing
The effect wanted.The domestic and international many serious accidents such as U.S. " challenger " number space shuttle accident, stone in 2005 in 1986
The explosion of oily Jilin Petrochemical Company Shuan Ben factories is all due to caused by seal fails.
Oil sealing is that structure is most complicated in rotating seal, most widely used rubber element, be most common sealing element it
One.It is at present the hydrodynamic seal with " pumping effect ", including backflow line oil seal and waveform using oil sealing the most universal
Two kinds of lip oil sealing.Compared with backflow line oil seal, wave-shaped lip oil seal lip is contacted with rotary shaft undulate, has good pump oil
Performance, therefore sealing performance is more preferable, longer life expectancy, is suitable for bidirectional rotation.
The lip curved-surface structure of wave-shaped lip oil seal is the key index for influencing its sealing performance.In order to ensure the work of oil sealing
Performance is needed to its accuracy of manufacture, the form error of especially lip curved surface is detected in the production process of oil sealing.
It since the main lip configuration of wave-shaped lip oil seal is complicated, is formed by waveform is complex-curved, not only manufacture is difficult, even more difficult
To be detected to its accuracy of manufacture.Also lack the special instrument detected for wave-shaped lip oil seal lip curved surface shape error at present
Equipment and effective method.The existing instrument for measuring part curved surface shape error or profile tolerance, greatly both for circle
The contact type measurement of the outer surface of cylindrical parts or the inner surface of cylindrical part.It is relatively fixed in the selection of measurement object, it must
It must be more smooth cylindrical surface；Lip curved surface for the wave-shaped lip oil seal referred in the utility model, above-mentioned measuring instrument
Gauge head be limited to size and be difficult to effectively measure.In addition the gauge head or probe in this measurement method, in measurement process
In can inevitably scratch measured piece surface or cause the deformation of measured piece and influence measurement accuracy.The material of wave-shaped lip oil seal is mostly
Rubber, contact are more prone to deform, and can lead to larger measurement error.
In addition in existing document, non-contact laser either photogrammetric curved surface profile or the instrument of error are utilized though having
Device, but structure is complex mostly, needs more preliminary preparation, measures relatively complicated time-consuming.And these instrument rulers
It is very little larger, it is chiefly used in large-scale curved measurement, and measurement accuracy is limited, and measurement smaller for this diameter of wave-shaped lip oil seal
The higher part of required precision, it is difficult to effectively be measured.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of wave-shaped lip oil seal lip curved surface shape error measurement dress
It sets.
The technical solution of the utility model is as follows：
A kind of wave-shaped lip oil seal lip curved surface shape error measuring device, including positioning and measurement regulating device, camera
Regulating device, measuring device and computer：
Positioning includes workbench with measurement regulating device, and angle-differentiated disk supporting table and angle are provided on workbench
Division indicator is equipped with angle-differentiated disk and work round platform with one heart in angle-differentiated disk supporting table；
Camera regulating device includes screw thread column, lifting support and flexible crossbearer, and screw thread column is arranged in workbench
At side edge mid-points, the both sides of screw thread column are symmetrically arranged with guide post, and lifting support is threadedly coupled with screw thread column, lifting support
Both sides are provided with guide sleeve and guide sleeve is mounted on guide post, and the end of flexible crossbearer is connected to the top of lifting support；
Measuring device is taken the photograph including longitudinal laser range finder, lateral laser range finder, target, measuring rod, measurement head, upper microspur
As head, dot laser source and lower macro head, lateral laser range finder and longitudinal laser range finder are mounted on lifting support simultaneously
The both sides up and down of flexible crossbearer are located at, target is mounted on the front end of flexible crossbearer, and the top of measuring rod connects with flexible crossbearer
It connects and measuring rod is located at the underface of target, the bottom end connection of the measuring rod measurement head, upper macro head, dot laser
Source, lower macro head three are longitudinally vertically arranged and are from top to bottom sequentially arranged in measurement head；
Wherein, angle-differentiated indicator, longitudinal laser range finder, lateral laser range finder, upper macro head, lower microspur
Camera is connect with computer respectively.
Preferably, movement sliding rail is installed on the work round platform radial direction, moves and is provided with right angle positioning on sliding rail
Block, right angle locating piece are translated by linear motor drives edge movement sliding rail, and linear motor is also connect with computer.The benefit of this design
It is, using right angle locating piece, can easily oil sealing is displaced to and work the round platform center of circle on same vertical line, simultaneously also
The accuracy that oil sealing center is overlapped with the round platform center of circle that works can be improved, ensures the precision subsequently measured.
Preferably, the bottom end of the screw thread column is provided with column knob, and location nut is provided on guide sleeve.This design
It is advantageous in that, is rotated by adjusting post, so that screw thread column is rotated, screw thread column band during rotation
Dynamic lifting support is moved up and down by guide post realization, subsequently through the fastening of location nut, lifting support can be made to be fixedly secured
A certain position.
Preferably, the end of the flexible crossbearer is provided with flexible crossbearer knob.This design is advantageous in that, by turning
The flexible crossbearer knob of end, can effectively adjust the length of flexible crossbearer.
Preferably, the shape of the workbench is rectangle, the angle-differentiated disk supporting table, angle-differentiated disk, work
The shape for making round platform is circle；The work round platform, angle-differentiated disk, angle-differentiated disk supporting table and workbench
Center is on same vertical line.
The beneficial effects of the utility model are：
1. measuring device provided by the utility model and measurement method efficiently solve existing measuring device and are difficult to accurately
The problem of measured waveform lip oil seal lip curved surface shape error, can effective detection waveform lip oil sealing the accuracy of manufacture, ensure oil sealing
Working performance.
2. measuring device uses non-contact measurement, compared to contact measurement methods such as traditional probe measurement heads,
External force will not be applied to the oil sealing of soft material and cause its deformation, be effectively guaranteed measurement accuracy.
3. measuring device not only can be with the lip curved surface shape error of measured waveform lip oil sealing, it may also be used for measured waveform
The curve error of the lip wavy curve of lip oil sealing.In addition, this method is applicable to the shape of detection of complex cylindrical curved surface object
Error carries out reverse-engineering DATA REASONING to complicated cylinder part, has a wide range of application, strong applicability.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model measuring device；
Fig. 2 is the partial schematic diagram of measurement head and oil sealing；
Fig. 3 is flexible crossbearer longitudinal sectional drawing；
Fig. 4 is flexible crossbearer transverse cross-sectional view；
Fig. 5 is flexible crossbearer B direction views；
Fig. 6 is indexing position calibration point instrumentation plan；
Fig. 7 is that single indexing position measures point coordinates calculating schematic diagram；
Fig. 8 is lip curved surface contrast schematic diagram；
Wherein：1, workbench；2, angle-differentiated indicator；3, angle-differentiated disk supporting table；4, angle-differentiated disk；5, work
Make round platform；6, right angle locating piece；7, column knob；8, screw thread column；9, longitudinal laser range finder；10, lifting support；11, it leads
Set；12, location nut；13, guide post；14, stretch crossbearer knob；15, lateral laser range finder；16, stretch crossbearer；16-1, it stretches
Contracting crossbearer telescopic segment；16-2, flexible crossbearer fixed section；16-3, flexible crossbearer stud；16-4, bottom end cover；16-5, upper end cover；
16-6, trip bolt；17, target；18, measuring rod；19, measurement head；20, upper macro head；21, dot laser source；22, micro- under
Away from camera；23, wave-shaped lip oil seal；24, computer.
Specific implementation mode
The utility model is described further by way of example and in conjunction with the accompanying drawings, but not limited to this.
Embodiment 1：
As shown in Figures 1 to 5, the present embodiment provides a kind of wave-shaped lip oil seal lip curved surface shape error measuring devices, should
Measuring device includes positioning and measurement regulating device, four part of camera regulating device, measuring device and computer：
Positioning includes workbench 1 with regulating device is measured, and the shape of workbench 1 is rectangle, is put on workbench 1
It is equipped with circular angle-differentiated disk supporting table 3, and the center of the center of circle of angle-differentiated disk supporting table 3 and workbench 1 is same
On vertical line；Angle-differentiated disk 4 and work round platform 5 are installed with one heart successively in the upper surface of angle-differentiated disk supporting table 3；Justify in work
Right angle locating piece 6 is installed, right angle locating piece 6 is driven by linear motor, and movement sliding rail is along the radius side of work round platform 5 on platform 5
To right angle locating piece 6 is mounted on movement sliding rail upper edge movement sliding rail translation, and the move distance of right angle locating piece 6 can be by computer
Relative program in 24 is calculated；Subsequently after the location determination of right angle locating piece 6, wave-shaped lip oil seal 23 is close to right angle and is determined
Position block 6 is placed, it is ensured that wave-shaped lip oil seal 23 is with 5 center of circle of work round platform on same vertical line；It is also equipped with angle on workbench 1
Division indicator 2 is spent, the scale on angle-differentiated indicator 2 and angle-differentiated disk 4 coordinates, for 4 turns of reading angular index dial
The angle crossed.Wherein angle-differentiated disk, work round platform shape also be circle；Work round platform, angle-differentiated disk, angle-differentiated disk
The center of supporting table and workbench is on same vertical line.
In camera regulating device：Screw thread column 8 is installed close to edge at 1 broadside midpoint of workbench；Screw thread is vertical
The lower end of column 8 is column knob 7, and turning column knob 7 can be such that screw thread column 8 rotates, while being made and the cooperation of screw thread column 8
Lifting support 10 moves up and down, and lifting support 10 is mounted on screw thread column 8 and is threadedly coupled with screw thread column 8；Lifting support
10 both sides are fixed with guide sleeve 11, and guide sleeve 11 and the guide post 13 being fixed on workbench 1, which coordinate, so that lifting support 10 will not
It rotates with screw thread column 8 and only moves up and down, two guide posts 13 are symmetrically mounted on the both sides of screw thread column 8；When lifting support 10
Corresponding position is adjusted, the location nut 12 on guide sleeve 11 can be screwed to position.The top of lifting support 10 is fixedly connected with
Flexible crossbearer 16, flexible 16 end of crossbearer be connected with flexible crossbearer knob 14 can turn adjust the length of flexible crossbearer 16.
In measuring device：Longitudinal laser range finder 9 is fixed on lifting support 10 and positioned at the lower section of flexible crossbearer 16, is surveyed
Magnitude can be used for calculating the Z coordinate value of macro head.Lateral laser range finder 15 is located at 16 top of flexible crossbearer and is fixed on liter
On descending branch frame 10, coordinate with lateral laser range finder 15 in the target 17 that is fixedly arranged at the front end with of flexible crossbearer 16, measured distance is available
In the Y-coordinate value for calculating macro head.The underface of target 17 is measuring rod 18, and 18 top of measuring rod is solid with flexible crossbearer 16
Fixed connection, measurement head 19 is fixed on the bottom end of measuring rod 18, in measurement head 19, be longitudinally vertically arranged macro head 20,
Dot laser source 21 and lower macro head 22.
The structure of flexible crossbearer 16 is as shown in Fig. 3, Fig. 4 and Fig. 5, including telescopic segment 16-1, fixed section 16-2, stud 16-
3, bottom end cover 16-4 and upper end cover 16-5, telescopic segment 16-1 are threadedly coupled with stud 16-3 and are inserted in from fixed section 16-2 tail ends,
Bottom end cover 16-4 and upper end cover 16-5 or more fit through trip bolt 16-6 prevents stud 16- mounted on fixed section 16-2 tail ends
3 deviate from backward, and the one end stud 16-3 is connect after running through bottom end cover 16-4 and upper end cover 16-5 with flexible crossbearer knob 14, telescopic segment
16-1 and fixed section 16-2 is coordinated by way of fin and slot, and telescopic segment is adjusted subsequently through flexible crossbearer knob 14 is turned
The stretching length of 16-1.
Wherein, angle-differentiated indicator 2, longitudinal laser range finder 9, lateral laser range finder 15, upper macro head 20,
Lower macro head 22, linear motor are connect with computer 24 respectively, and information collection, automatic operation and control are realized by computer 24
System.
For the measuring device per se with a fixed coordinate system, the origin O of fixed coordinate system is located at the center of circle of work round platform 5
Place, X-axis is parallel with the broadside of workbench 1, and Y-axis is parallel with the long side of workbench 1, and Z axis is determined according to right hand rule.
Embodiment 2：
Using measuring device described in embodiment 1, the present embodiment illustrates measured waveform lip oil seal lip curved surface shape error
Method, the oil sealing to be measured selected in the present embodiment is one or four period sinusoidal waveform lip oil sealings, and specific measurement process is as follows：
(1) position of right angle locating piece 6 is determined.The outer circle radius surface of known wave-shaped lip oil seal 23 to be measured is R1, work
Circle hole radius is r at 5 center of round platform0.Right angle electrical initial position is located at center hole edge in right angle locating piece 6.For will be outer
Disc radius is R1Wave-shaped lip oil seal 23 and work round platform 5 place with one heart, right angle locating piece 6 needs displacement distance L, concrete numerical value
It is determined, can be calculated by computer 24 by following formula.
After locating piece 6 location determination in right angle is good, measurement head 19 is adjusted to peak and facilitates putting for wave-shaped lip oil seal 23
Set, then wave-shaped lip oil seal 23 be close to right angle locating piece 6 placement, subsequently through linear motor driving right angle locating piece 6 movement away from
From L, it is ensured that wave-shaped lip oil seal 23 and work round platform 5 are concentric.
(2) lower 22 position of macro head and measurement of taking pictures are determined.For convenience of calculating, lower macro head 22 is chosen here
On the basis of position.Pass through the magnified image of the upper macro head 20 of observation and the shooting of lower macro head 22, turn column knob 7
To adjust lifting support 10.As shown in Figure 6 so that dot laser source 21 can be radiated at first main lip curve LPUpper formation is surveyed
Measure point P；Then the turn crossbearer knob 14 that stretches adjusts the length for the crossbearer 16 that stretches to control upper macro head 20 and lower microspur
The distance between camera 22 and oil sealing inner peripheral surface so that the image formed on computer 24 is the most clear.After the completion of adjustment
Record the registration L of lateral laser range finder 15 at this time1PWith the registration L of longitudinal laser range finder 92P.Lower macro head 22 takes
Picture AP, upper macro head 20 takes photo BP.This position coordinates of 22 center of macro head in fixed coordinate system at present
For (XsP, YsP, ZsP)。
Then dot laser source 21 is made to be radiated at Article 2 lip curve L respectively by adjusting lifting support 10MAnd Article 3
Lip curve LNOn, form measurement point M and N.The registration of transverse direction laser range finder 15 is respectively L at two positions1MAnd L1N, longitudinal
The registration of laser range finder 9 is respectively L2MAnd L2N.Lower macro head 22 takes picture A respectivelyMAnd AN；Upper macro head 20
Photo B is taken respectivelyMAnd BN.Lower 22 corresponding position coordinates of macro head are respectively (XsM, YsM, ZsM) and (XsN, YsN, ZsN)。
The different coordinate values for measuring position of lower macro head 22 are determined by following formula：
In formula：I represents different measurement points when taking P, M or N respectively；C1For 8 center line of screw thread column to lateral Laser Measuring
The distance at 15 center of distance meter；C2For the distance of 8 center line of screw thread column to fixed coordinate system origin O；C3For fixed coordinate system origin
Distances of the O to 1 plane of workbench；C4For lower 22 center of macro head to the distance at 9 center of longitudinal laser range finder.
Upper macro head 20 and lower macro head 22 are T at a distance from Z-direction, then in 22, lower macro head
Under the premise of setting coordinate determination, the position coordinates of upper macro head 20 are (Xsi,Ysi,Zsi+T)。
(3) single-measurement position picture data is handled.Here the picture A of the shooting of macro head 22 is removedi(i takes respectively
Different measurement points is indicated when P, M or N) it is illustrated, the photo B of upper macro head shootingi(table when i takes P, M or N respectively
Show different measurement points) it is handled by same procedure.Since the picture point in photo is as unit of pixel, need exist for establishing pixel map
Picture coordinate system { o, u, v } and the physical image coordinate system { o that millimeter is unit1, x, z } between transformational relation.As shown in Figure 7：
Image coordinate system origin o as unit of pixel is located at the lower left corner of photo, and to the right, v axis is vertically upward for u axis level.Physical map
As coordinate origin o1It is (u positioned at pixel coordinate0, v0) pixel on, to the right, z-axis is vertically upward for x-axis level.Two kinds of images
Transformational relation between coordinate is shown below：
In formula：K × l is the size of pixel, k and l units are millimeter, belong to the intrinsic parameter of macro head.
Known picture APThe pixel coordinate of middle measurement point P is (up, vp), physical image coordinate system { o is transformed by above formula1,
X, z } under coordinate value be (xp, zp).Coordinate of the corresponding measurement point in physical image coordinate system in other photos is by formula (II)
Also it can get.
For the coordinate put to be further converted in camera shooting coordinate system, lower camera shooting coordinate system { O is establishedx1,Xx1,Yx1,Zx1}：
Origin Ox1Positioned at the center of lower macro head 22, Xx1Axis and Zx1Axis is parallel with x-axis and z-axis respectively, Yx1Axis hangs down with the plane of delineation
Straight intersection, intersection point is the physical image coordinate origin.Camera shooting coordinate system { O on establishing simultaneouslyx2,Xx2,Yx2,Zx2}：Origin
Ox2Positioned at the center of upper macro head 20, Xx2Axis and Zx2Axis is parallel with x-axis and z-axis respectively, Yx2Axis phase vertical with the plane of delineation
It hands over, intersection point is photo BiPhysical image coordinate origin.
Coordinate Y of the measurement point in lower camera shooting coordinate systemx1iIt is obtained by following formula according to binocular distance measurement principle：
In formula：F is the focal length of macro head, belongs to the intrinsic parameter of camera, | zAi| and | zBi| it is respectively that measurement point exists
Picture AiWith photo BiThe absolute value of z coordinate in (i indicates different measurement points when taking P, M or N respectively) physical image coordinate system.
When single indexing position, the coordinate value X of arbitrary measurement point in lower camera shooting coordinate systemx1iAnd Zx1iValue can be by following formula inverse
It obtains：
In formula：I indicates each indexing position different measurement point when taking P, M or N respectively.
After the completion of calculating, coordinate of the arbitrary measurement point in lower camera shooting coordinate system is represented by (Xx1i,Yx1i,Zx1i)。
(4) after the completion of aforesaid operations, 23 inner peripheral surface of wave-shaped lip oil seal is along the circumferential direction carried out to indexing measurement and is calculated
The coordinate of all measurement points.Sub-degree angle is(value range is 5 °~10 °), then have accordinglyA indexing position
(measuring position), acquiescence initial measurement locations are the 0th indexing position.Wave-shaped lip oil seal 23 is driven to rotate reality by work round platform 5
The now measurement of taking pictures of each indexing position, this process can also regard macro head 20 and lower macro head 22 as relative to wave
The rotation of shape lip oil sealing 23 measures.After all measurement positions are all measured, the particular measurement point P in the 4th step, M, N expand
P can be expressed as by opening up on whole circumference facej, Mj, Nj(j indicates the serial number j=0,1,2,3n-1 of indexing position).Often
Coordinate (X of a particular measurement point under fixed coordinate systemij, Yij, Zij) can be according between lower camera shooting coordinate system and fixed coordinate system
Relationship obtained by following formula inverse：
In formula：I indicates each indexing position different measurement point when taking P, M or N respectively；J indicates the serial number j of indexing position
=0,1,2,3n-1.
(5) curved surface shape error is evaluated.It is above-mentioned be measured after obtain a 3 × N-shaped Value Data dot matrix U, it is specific as follows
It is shown：
U=[Pj,Mj,Nj]T (Ⅵ)
By dot matrix U lip curved surface is constructed using B-spline surface interpolation method；B-spline surface equation is as follows in the present embodiment
It is shown：
In formula：0≤u≤1,0≤v≤1, Bi,1(u) and Bj,3(v) it is basic function, ri,jFor the offset data dot matrix U.
Two closure lip curved surface S on the main lip of oil sealing in fixed coordinate system can be obtained after solving surface equation (VII)1, S2；
Standard lip curved surface S is created under fixed coordinate system01, S02；Since lip curved surface is sinusoidal waveform, pass through coordinate
Transformation rotation lip curved surface S1, S2Waveform peak point and standard lip curved surface S01, S02Model peak datum coincidence, it is postrotational
Lip curved surface is denoted as S11, S21；
To evaluate lip curved surface S11, S21Curved surface shape error, take lip curved surface S11For.In lip curved surface S11U, v
It is inserted into two parameter points between each two data point that both direction measurement obtains, has thus obtained on lip curved surface one 7
The dot matrix of × 3n.Calculate separately each point to standard lip curved surface distance Ds1i(7 × 3n of i=1,2,3 ...) is lip curved surface S11
Curved surface deviation, can draw curved surface deviation cloud atlas using the deviation each put, intuitively show the form error of curved surface.Having
In the numerical assessment of body, the maximum value D in curved surface deviation is takens1maxWith average value Ds1eTwo indices evaluate the shape of lip curved surface
Shape error.
Claims (5)
1. a kind of wave-shaped lip oil seal lip curved surface shape error measuring device, which is characterized in that filled including positioning with adjusting is measured
It sets, camera regulating device, measuring device and computer：
Positioning includes workbench with measurement regulating device, and angle-differentiated disk supporting table and angle-differentiated are provided on workbench
Indicator is equipped with angle-differentiated disk and work round platform with one heart in angle-differentiated disk supporting table；
Camera regulating device includes screw thread column, lifting support and flexible crossbearer, and screw thread column is arranged in workbench side
The both sides of midpoint, screw thread column are symmetrically arranged with guide post, and lifting support is threadedly coupled with screw thread column, the both sides of lifting support
It is provided with guide sleeve and guide sleeve is mounted on guide post, the end of flexible crossbearer is connected to the top of lifting support；
Measuring device includes longitudinal laser range finder, lateral laser range finder, target, measuring rod, measurement head, upper macro
Head, dot laser source and lower macro head, lateral laser range finder and longitudinal laser range finder are mounted on lifting support and divide
Wei Yu not stretch the both sides up and down of crossbearer, and target is mounted on the front end of flexible crossbearer, and the top of measuring rod is connect with flexible crossbearer
And measuring rod is located at the underface of target, the bottom end connection of the measuring rod measurement head, upper macro head, dot laser source,
Lower macro head three is longitudinally vertically arranged and is from top to bottom sequentially arranged in measurement head；
Wherein, angle-differentiated indicator, longitudinal laser range finder, lateral laser range finder, upper macro head, lower macro
Head is connect with computer respectively.
2. wave-shaped lip oil seal lip curved surface shape error measuring device as described in claim 1, which is characterized in that the work
Movement sliding rail is installed on round platform radial direction, moves and is provided with right angle locating piece on sliding rail, right angle locating piece is by linear motor
Drives edge moves sliding rail translation, and linear motor is also connect with computer.
3. wave-shaped lip oil seal lip curved surface shape error measuring device as described in claim 1, which is characterized in that the screw thread
The bottom end of column is provided with column knob, and location nut is provided on guide sleeve.
4. wave-shaped lip oil seal lip curved surface shape error measuring device as described in claim 1, which is characterized in that described flexible
The end of crossbearer is provided with flexible crossbearer knob.
5. wave-shaped lip oil seal lip curved surface shape error measuring device as described in claim 1, which is characterized in that the work
The shape of platform be rectangle, the angle-differentiated disk supporting table, angle-differentiated disk, work round platform shape be circle；Institute
The center of work round platform, angle-differentiated disk, angle-differentiated disk supporting table and workbench is stated on same vertical line.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820054350.XU CN207675138U (en) | 2018-01-13 | 2018-01-13 | A kind of wave-shaped lip oil seal lip curved surface shape error measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820054350.XU CN207675138U (en) | 2018-01-13 | 2018-01-13 | A kind of wave-shaped lip oil seal lip curved surface shape error measuring device |
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| CN207675138U true CN207675138U (en) | 2018-07-31 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050957A (en) * | 2018-01-13 | 2018-05-18 | 山东科技大学 | A kind of wave-shaped lip oil seal lip curved surface shape error measuring device and measuring method |
| CN111780967A (en) * | 2020-06-12 | 2020-10-16 | 中国船舶重工集团公司第七二四研究所 | Turntable transmission precision optical composite detection method capable of correcting eccentric error |
| WO2023154599A1 (en) * | 2022-02-09 | 2023-08-17 | Caterpillar Inc. | Automated seal inspection system and method |
| CN116511390B (en) * | 2023-07-04 | 2023-09-08 | 山西天宝集团有限公司 | Device and method for rounding and flattening L-shaped flange after ring grinding |
-
2018
- 2018-01-13 CN CN201820054350.XU patent/CN207675138U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050957A (en) * | 2018-01-13 | 2018-05-18 | 山东科技大学 | A kind of wave-shaped lip oil seal lip curved surface shape error measuring device and measuring method |
| CN111780967A (en) * | 2020-06-12 | 2020-10-16 | 中国船舶重工集团公司第七二四研究所 | Turntable transmission precision optical composite detection method capable of correcting eccentric error |
| CN111780967B (en) * | 2020-06-12 | 2022-04-05 | 中国船舶重工集团公司第七二四研究所 | Turntable transmission precision optical composite detection method capable of correcting eccentric error |
| WO2023154599A1 (en) * | 2022-02-09 | 2023-08-17 | Caterpillar Inc. | Automated seal inspection system and method |
| CN116511390B (en) * | 2023-07-04 | 2023-09-08 | 山西天宝集团有限公司 | Device and method for rounding and flattening L-shaped flange after ring grinding |
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Granted publication date: 20180731 Termination date: 20210113 |