CN206959755U - A kind of thrust surface detection means - Google Patents
A kind of thrust surface detection means Download PDFInfo
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- CN206959755U CN206959755U CN201720962031.4U CN201720962031U CN206959755U CN 206959755 U CN206959755 U CN 206959755U CN 201720962031 U CN201720962031 U CN 201720962031U CN 206959755 U CN206959755 U CN 206959755U
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- Prior art keywords
- block
- regulator
- thrust surface
- detection bar
- detection means
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model provides a kind of thrust surface detection means, belongs to field of mechanical technique.It solves the problems, such as that existing detection means accuracy of detection is low.This thrust surface detection means, including block, in the regulator and detection bar of strip, pressure detecting element is provided with regulator, the elastic inductive head that detection bar one end stretches into regulator with pressure detecting element leans, detection bar can be slided along its length direction with respect to regulator, the other end of detection bar stretches out outside regulator and can leant with block, also have respectively against plane one and against plane two in regulator and block, and it is when the external part of detection bar leans with block against plane one and relative against plane two.This detection means establishes detection depth datum by block, centering is accurate, it is ensured that the centering of detector, stability are good, so as to which the spacing between inside and outside thrust surface is converted into the depth sum that block gos deep into the depth of camshaft hole and detection bar stretches into camshaft hole, accuracy and reliability are high.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of thrust surface detection means.
Background technology
During engine assembly, the outer spacing dimension processing between thrust surface and interior thrust surface of engine cylinder cylinder body lid
Whether it is qualified directly affect installation after camshaft whether can run well, if wide, easily cause camshaft clamping stagnation, seriously will be direct
Cause camshaft to seize, if narrow, camshaft is produced axial float.Therefore, how this size is fast and effectively detected
It is most important.
Wherein gauge head is divided into contact type measurement and non-contact measurement.Non-contact measurement refers to that not contacting workpiece is surveyed
Amount, contact type measurement refer to gauge head and directly contact measured workpiece, will directly react a kind of e measurement technology of measured workpiece profile.Contact
Formula measurement is had a great influence by the roughness of workpiece, the workpiece that particularly tolerance range is narrow, processing request is higher.Though such a detection mode
Higher so is required to detection workpiece surface quality, but accuracy of detection is more accurate.
Such as Chinese patent application (application number：201610978613.1) disclose a kind of thrust surface of cylinder body Thickness sensitivity dress
Put, including：To table block, it is rectangle structure, the consistency of thickness of the thickness and thrust surface of cylinder body to table block；Cubing body,
It is " rectifying " font hatch frame, and the side of the cubing body opening has cubing face, for being close to close the one of thrust surface of cylinder body
Side and perpendicular to thrust surface of cylinder body；And dial gauge, the opposite side of the cubing body opening is located in by its measuring staff, should
The contact pilotage of dial gauge stretches into the inspection specific opening and the thickness of cylinder thrust surface is detected.Will the specific inspection of inspection during detection
Survey face is tightly bonded thrust surface of cylinder body one side, and ensures on thrust surface so that the contact pilotage of dial gauge will contact gas
Cylinder body thrust surface another side, which produces, gives as security boomerang, finally reading can be carried out to dial gauge, with measuring numerical value measured during to table block
Contrasted so as to realize the detection to thrust surface of cylinder body thickness.
Due to the particularity of the mark structure of camshaft hole intake and exhaust one, if detected using above-mentioned detection means, survey
During amount, cubing body is laterally filled in measured hole, is moved radially and is fallen into thrust surface both sides inside and outside FE Tiler, and detection means needs operating
Measured under the auxiliary of person, centering can not be realized, operator can only be leaned on to control manually, personnel's change, active force are uneven all
It will cause to detect data variation, and the repeatability and uniformity of cubing can not be ensured, accuracy of detection will be low, easily causes engine complete machine
The problem of assembly precision stability difference is caused after assembling.
The content of the invention
The purpose of this utility model is above mentioned problem be present for existing technology, it is proposed that a kind of thrust surface detection dress
Put, technical problem to be solved in the utility model is：Stable measurement how is realized, improves the accuracy of detection.
The purpose of this utility model can be realized by following technical proposal：A kind of thrust surface detection means, including in length
The regulator and detection bar of strip, it is characterised in that be provided with pressure detecting element in the regulator, rule are stretched into described detection bar one end
The elastic inductive head with pressure detecting element is leant in vivo, and the detection bar can be slided along its length direction with respect to regulator
Dynamic, the detection means also includes block, also respectively with against plane one and against plane two, institute in the regulator and block
Stating the external part of detection bar has detector, and the detector stretches out outside regulator and can leant with block, and works as the inspection
It is described against plane one and relative against plane two when gauge head leans with block.
This detection means can be used in detecting the spacing detection of thrust surface inside and outside engine cylinder cover, and pressure detecting element can be with
The display screen of depth value, pressure detecting element are converted to for pressure sensor and the pressure value that pressure sensor can be detected
It can also be amesdial.The calibration of detection bar depth value is first carried out before measurement with extreme value calibrating device, sets an extreme value.Measurement
When, block and cylinder cap one are kept off into cam shaft interporal lacuna and coordinated, block is bonded against plane two with interior thrust surface, then will inspection
The external part insertion measured hole of measuring staff, detector are contacted with the top surface of block, and regulator is bonded against plane one with outer thrust surface,
The numerical value of measurement is observed after rotating a circle, takes maximum and the extreme value of measure to be contrasted, that is, can be derived that interior thrust surface and outer
The distance values of thrust surface.
This detection means establishes the benchmark of detection depth by block, and centering is accurate, and block can ensure to detect during measurement
The centering of bar, stability is good, so as to by the spacing between inside and outside thrust surface be converted to block go deep into the depth of camshaft hole with
Detection bar stretches into the depth sum of camshaft hole, improves the accuracy of measurement data.
In above-mentioned thrust surface detection means, there is outwardly annular convex shoulder one on the lateral wall of the regulator,
The annular convex shoulder one is set close to detector, also has outwardly annular convex shoulder two, institute on the lateral wall of the block
State against plane one and against plane two be respectively the end face of annular convex shoulder one and annular convex shoulder two.Annular convex shoulder two is relative to gear
The outwardly setting of lateral wall of block so that during measurement, when being fitted against plane two and interior thrust surface, block can extend into convex
Centering is realized in axle hole, meanwhile, annular convex shoulder one is outwardly relative to the lateral wall of regulator, is fitted in against plane one outer
When on thrust surface, regulator also can be together stretched into axis hole with detection bar, so as to further ensure the centering of detection bar,
Improve the accuracy of detection.
In above-mentioned thrust surface detection means, sliding eye is offered in the regulator, one end of the detection bar is slided
It is located in sliding eye and is leant with the elastic inductive head of the pressure detecting element, the lateral wall of the detection bar and slip
The inwall in hole mutually reclines.The lateral wall of detection bar mutually reclines with the inwall of sliding eye, is not susceptible to rock, and stability is good, detection
Accuracy it is high.The replacing of detection bar is also more convenient simultaneously.
In above-mentioned thrust surface detection means, stop screw, the inspection are also threaded with the side wall of the regulator
There is sliding groove, one end of the stop screw is stretched into sliding eye and in the embedded sliding groove on the lateral wall of measuring staff.Limit
The setting of position screw can limit the rotation of detection bar, so as to ensure in measurement process, when rotating whole regulator, and detection bar energy
Enough synchronous axial systems, will not relatively rotate between regulator, further increase the accuracy of detection.
In above-mentioned thrust surface detection means, the detector has in the connecting portion of frustum and in hemispherical head
Portion, the head are used to lean with block.Hemispherical head design, relative to the design of plane, wanted to making precision
Ask relatively low, contacted between block for point, avoid face contact influences the precision of measurement because precision is not up to standard.Simultaneously both it
Between frictional force it is smaller, it is not easy to wear, service life length, be not easy to disfiguring workpiece in detection process.
Also being arranged with above-mentioned thrust surface detection means, in the detection bar can be such that detector has all the time to rule
The compression spring of extracorporeal movement trend, there is the recessed shoulder of annular, the detection bar is at detector in the side wall of the sliding eye
Lateral wall on there is the annular shoulder block of protrusion, the both ends of the compression spring are born against in annular recessed shoulder and annular shoulder block
On.The setting of compression spring can ensure that detector is stretched out outside regulator, while and can realizes the return after measurement.
In above-mentioned thrust surface detection means, the block is in the form of a column, and the block is used for what is leant with detector
One end end face is plane, and the both ends of the block also have chamfering.
Compared with prior art, this thrust surface detection means has advantages below：
1st, the benchmark of detection depth is established by block, centering is accurate, and block can ensure the centering of detector during measurement
Property, stability is good, and so as to which the spacing between inside and outside thrust surface be converted to, block gos deep into the depth of camshaft hole and detector is stretched
Enter the depth sum of camshaft hole, accuracy and reliability are high.
2nd, it is easy to operate, data block is detected, part is not easy to wear, and service life length, measurement process is not easy disfiguring workpiece, drops
Low production cost.
Brief description of the drawings
Fig. 1 is the structure chart of this thrust surface detection means.
In figure, 1, regulator；1a, annular convex shoulder one；1a1, against plane one；1b, sliding eye；1b1, the recessed shoulder of annular；2nd, examine
Measuring staff；2a, detector；2a1, connecting portion；2a2, head；2b, sliding groove；2c, annular shoulder block；3rd, pressure detecting element；3a, bullet
Property inductive head；4th, block；4a, annular convex shoulder two；4a1, against plane two；5th, stop screw；6th, compression spring.
Embodiment
It is specific embodiment of the utility model and with reference to accompanying drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
As shown in figure 1, this thrust surface detection means, including block 4, regulator 1 and detection bar 2 in strip.
Pressure detecting element 3 is provided with regulator 1, pressure detecting element 3 can be pressure sensor and can pass pressure
The pressure value that sensor detects is converted to the display screen of depth value, and pressure detecting element 3 can also be amesdial.Opened in regulator 1
Provided with sliding eye 1b, the one end of detection bar 2 slide be located in sliding eye 1b and with the elastic inductive head 3a phases of pressure detecting element 3
Against the lateral wall of the detection bar 2 mutually reclines with sliding eye 1b inwall, is not susceptible to rock, and stability is good, and detection bar
2 can slide along its length direction with respect to regulator 1.The other end of detection bar 2 stretches out outside regulator 1 and has detector 2a,
Detector 2a has in the connecting portion 2a1 of frustum and in hemispherical head 2a2, and head 2a2 is used to lean with block 4,
Contacted between head 2a2 and block 4 for point, avoid face contact influences the precision of measurement because precision is not up to standard.Both simultaneously
Between frictional force it is smaller, it is not easy to wear, service life length, be not easy to disfiguring workpiece in detection process.
Also being arranged with detection bar 2 can make detector 2a have the compression spring 6 to 1 outer movement tendency of regulator all the time,
There is the recessed shoulder 1b1 of annular, detection bar 2 has the annular of protrusion on the lateral wall at detector 2a in sliding eye 1b side wall
Shoulder block 2c, the both ends of compression spring 6 are born against on the recessed shoulder 1b1 and annular shoulder block 2c of annular.
Block 4 is in the form of a column, and one end end face that block 4 is used to lean with detector 2a is plane, and the both ends of block 4 also have
There is chamfering.Also have respectively against the 1a1 of plane one and against the 4a1 of plane two in regulator 1 and block 4.Have on the lateral wall of regulator 1
It is outwardly convex go out annular convex shoulder one 1a, the 1a of annular convex shoulder one set close to detector 2a, also have on the lateral wall of block 4 to
The 4a of annular convex shoulder two of outer protrusion, against the 1a1 of plane one and against the 4a1 of plane two be respectively the 1a of annular convex shoulder one and annular convex shoulder
Two 4a end face, and it is against the 1a1 of plane one and relative against the 4a1 of plane two when detector 2a leans with block 4.
Also it is threaded with stop screw 5 in the side wall of regulator 1, there is sliding groove 2b on the lateral wall of detection bar 2, it is spacing
One end of screw 5 is stretched into sliding eye 1b and in embedded sliding groove 2b.Stop screw 5 can limit circumferentially rotating for detection bar 2,
So that detection bar 2 will not relatively rotate between regulator 1.
When this detection means is used to detect the spacing detection of thrust surface inside and outside engine cylinder cover, first carried out with extreme value calibrating device
The calibration of the depth value of detection bar 2, set an extreme value.During measurements, block 4 and cylinder cap one are kept off into cam shaft interporal lacuna and coordinated,
Block 4 is bonded against the 4a1 of plane two with interior thrust surface, is established the benchmark of detection depth, can be realized accurate centering.Then will
The detector 2a insertion measured holes of detection bar 2, the detector 2a in detection bar 2 contact with the top surface of block 4, it is ensured that detect
Head 2a centering, being bonded against the 1a1 of plane one with outer thrust surface for the regulator 1 of block 4, observes the number of measurement after rotating a circle
Value, take maximum to be contrasted with the extreme value determined, that is, can be derived that against the 1a1 of plane one and against between the 4a1 of plane two
Distance values, that is, the distance values of interior thrust surface and outer thrust surface.This detection means greatly facilitates work in the application in workshop
The operation of people, can the distance values of thrust surface currently processed of Real-time Feedback and can reference data adjust in time, between so making
Away from good uniformity and reliability is kept, the assembling uniformity of product is ensure that indirectly, is carried while manufacturing expense is reduced
The high quality of product.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (7)
1. a kind of thrust surface detection means, including regulator (1) and detection bar (2) in strip, it is characterised in that the regulator
(1) pressure detecting element (3) is provided with, the bullet with pressure detecting element (3) in regulator (1) is stretched into described detection bar (2) one end
Property inductive head (3a) lean, the detection bar (2) can along its length direction with respect to regulator (1) slide, the detection
Device also includes block (4), also has respectively on the regulator (1) and block (4) against plane one (1a1) and against plane two
(4a1), the other end of the detection bar (2) have a detector (2a), and the detector (2a) stretches out regulator (1) outside and can be with
Block (4) leans, and when the detector (2a) and block (4) lean, described against plane one (1a1) and against flat
Face two (4a1) is relative.
2. thrust surface detection means according to claim 1, it is characterised in that have on the lateral wall of the regulator (1)
Outwardly annular convex shoulder one (1a), the annular convex shoulder one (1a) are set close to the detector (2a), the block (4)
Lateral wall on also there is outwardly annular convex shoulder two (4a), it is described against plane one (1a1) and against plane two (4a1)
The respectively end face of annular convex shoulder one (1a) and annular convex shoulder two (4a).
3. thrust surface detection means according to claim 1 or 2, it is characterised in that offer slip in the regulator (1)
Hole (1b), one end of the detection bar (2) slide be located in sliding eye (1b) and with the elasticity of the pressure detecting element (3)
Inductive head (3a) leans, and the inwall of the lateral wall and sliding eye (1b) of the detection bar (2) mutually reclines.
4. thrust surface detection means according to claim 3, it is characterised in that go back screw thread in the side wall of the regulator (1)
Stop screw (5) is connected with, there is sliding groove (2b), one end of the stop screw (5) on the lateral wall of the detection bar (2)
Stretch into sliding eye (1b) and in the embedded sliding groove (2b).
5. thrust surface detection means according to claim 3, it is characterised in that it is in frustum that the detector (2a), which has,
Connecting portion (2a1) and in hemispherical head (2a2), the head (2a2) is used to lean with block (4).
6. thrust surface detection means according to claim 5, it is characterised in that be also arranged with energy on the detection bar (2)
Enough make detector (2a) that there is the compression spring (6) to regulator (1) outer movement tendency all the time, in the side wall of the sliding eye (1b)
With the recessed shoulder (1b1) of annular, the detection bar (2) has the annular shoulder block of protrusion on the lateral wall at detector (2a) place
(2c), the both ends of the compression spring (6) are born against on annular recessed shoulder (1b1) and annular shoulder block (2c).
7. thrust surface detection means according to claim 1 or 2, it is characterised in that the block (4) is in the form of a column, described
It is plane that block (4), which is used for one end end face that detector (2a) leans, and the both ends of the block (4) also have chamfering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720962031.4U CN206959755U (en) | 2017-08-03 | 2017-08-03 | A kind of thrust surface detection means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720962031.4U CN206959755U (en) | 2017-08-03 | 2017-08-03 | A kind of thrust surface detection means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206959755U true CN206959755U (en) | 2018-02-02 |
Family
ID=61380335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720962031.4U Expired - Fee Related CN206959755U (en) | 2017-08-03 | 2017-08-03 | A kind of thrust surface detection means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206959755U (en) |
-
2017
- 2017-08-03 CN CN201720962031.4U patent/CN206959755U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200615 Address after: 315336 No. two, 818 Binhai New Area, Hangzhou Bay, Zhejiang, Ningbo Co-patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Patentee after: NINGBO GEELY ROYAL ENGINE COMPONENTS Co.,Ltd. Address before: Springfield road 250000 in Shandong province Ji'nan city high tech Development Zone No. 1777 Patentee before: JI'NAN GEELY AUTO PARTS Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180202 Termination date: 20210803 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |