CN110285746A - A kind of cylinder cover guide pipe hole perpendicularity detection device - Google Patents
A kind of cylinder cover guide pipe hole perpendicularity detection device Download PDFInfo
- Publication number
- CN110285746A CN110285746A CN201910622438.6A CN201910622438A CN110285746A CN 110285746 A CN110285746 A CN 110285746A CN 201910622438 A CN201910622438 A CN 201910622438A CN 110285746 A CN110285746 A CN 110285746A
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- cylindrical body
- guide pipe
- cylinder cover
- hole
- cover guide
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- 238000001514 detection method Methods 0.000 title claims abstract description 31
- 238000012360 testing method Methods 0.000 claims description 12
- 238000005259 measurement Methods 0.000 claims description 11
- 230000007704 transition Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/245—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing perpendicularity
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The present invention relates to diesel engine part measuring devices, propose a kind of cylinder cover guide pipe hole perpendicularity detection device.A kind of cylinder cover guide pipe hole perpendicularity detection device proposed has datum plate, positioning core axle；The middle part of positioning core axle has and its integrally formed shoulder；Rotary table there are two being nested on positioning core axle；The outer diameter of two rotary tables and the aperture in cylinder cover guide pipe hole cooperate in small―gap suture；The upper end of positioning core axle and measurer body are interference fitted；Measurer body is followed successively by cylindrical body I, cylindrical body II, cylindrical body III and cylindrical body IV from top to bottom；Specific cylindrical body IV is measured to cooperate with via clearance corresponding on datum plate；There is axially extending bore on cylindrical body I；The center for coming directly towards upper surface is equipped with a round gauge head；There is the radial through-hole passed through to special-shaped pin on cylindrical body III；Etc. the end of special-shapeds pin there is the drum shaped body that is in contact with datum plate.The present invention not only efficiently solves conduit hole perpendicularity and is unable to problem on line detection, but also has the characteristics that structure is simple, easy to operate.
Description
Technical field
The present invention relates to diesel engine part measuring devices, and in particular to a kind of cylinder cover guide pipe hole perpendicularity detection device.
Background technique
Cylinder head is a kind of pass weight part of diesel engine, and part processing quality influences diesel engine working performance very big；Cylinder
Lid is internal to be distributed multiple guide holes, for installing conduit；In diesel engine work, valve moves reciprocatingly in conduit, and control is mixed
It closes gas and enters and be discharged combustion chamber；If conduit hole perpendicularity is overproof, combustion chamber sealing ability will be reduced, to influence diesel oil
Machine working performance；Therefore, guide hole has higher requirement to cylinder head end face squareness.
In actual production, how accurately and quickly detection guide hole adds cylinder head end face squareness to product is improved
Working medium amount and production efficiency have a significant impact.
Using three-dimensional coordinates measurement machine testing guide hole to cylinder head end face squareness, measurement accuracy is high, but need to configure it is special
Probe.In addition, the part processed need to be carried to the progress of accurate measurement room, on-line checking cannot achieve.
Currently, domestic diesel engine manufacturing enterprise generallys use special measuring tool detection guide hole to cylinder head end face squareness,
As the patent of Patent No. ZL200620124972.2 and ZL201220498141.7 disclose a kind of guide hole measurer, Ke Yishi
Existing guide hole geometric tolerance on-line checking, but shortcoming is that installation dial gauge is all needed on measurer, and the contact of dial gauge all needs directly
It connects and is contacted with part measured surface, structure is complicated for measurer, cumbersome.
Summary of the invention
To solve the above measuring technique problem, the purpose of the present invention is to propose to a kind of detections of cylinder cover guide pipe hole perpendicularity to fill
It sets.
The present invention adopts the following technical solutions to accomplish the above objectives:
A kind of cylinder cover guide pipe hole perpendicularity detection device, detection device have the benchmark to be placed on cylinder head end face
Plate；The detection device also has the positioning core axle to be inserted into cylinder cover guide pipe hole；The positioning core axle is cylinder
Shape stock；The middle part of the positioning core axle has and its integrally formed shoulder；Rotary table there are two being nested on the positioning core axle；
Rotary table described in two is located at the lower section of the shoulder, has gap between rotary table described in two, and superposed described
Also there is gap between rotary table and shoulder；Rotary table described in two and the positioning core axle are integrally formed；Two rotary tables it is outer
The aperture in diameter and cylinder cover guide pipe hole cooperates in small―gap suture；The upper end of the positioning core axle is located in measurer body, and with it is described
Measurer body interference fit；The measurer body is followed successively by cylindrical body I, cylindrical body II, cylindrical body III and cylindrical body IV from top to bottom；
I diameter of cylindrical body is maximum, and the diameter of the cylindrical body III takes second place, the diameter of cylindrical body IV is minimum；The cylindrical body IV
Center there is axially extending bore, and the upper end of the axially extending bore and the positioning core axle is interference fitted；Described in measurer body
Cylindrical body IV cooperates with via clearance corresponding on datum plate, the measurer body is constituted under the effect of external force, described in drive
The structure that is rotated in cylinder cover guide pipe hole of positioning core axle；I center of cylindrical body described in measurer body have to top transition
The axially extending bore of cooperation；The top is T-type body；The lower part of the T-type body is and axially extending bore mistake described on cylindrical body I
Cross the cylindrical body of cooperation；The top of the T-type body is the round estrade that diameter is greater than axially extending bore described on cylindrical body I, and
The center of the round estrade upper surface is equipped with a round gauge head；Have on cylindrical body III described in measurer body and passes through to special-shaped pin
Radial through-hole, and the both ends of the surface of the radial through-hole are plane；The special-shaped pin is horizontally disposed；The characteristic pin has and radial direction
The equal diameter section I of through-hole transition fit；One end of the equal diameter section I has the equal diameter section II being located at outside radial through-hole；Institute
The diameter for stating equal diameter section II is less than the diameter of the equal diameter section I；It is machined in the outside wall surface of the equal diameter section II outer
Screw thread；The other end of the equal diameter section I has the equal diameter section III being located at outside radial through-hole；The diameter of the equal diameter section III
Greater than the diameter of the equal diameter section I；Drum shaped body of the end of the equal diameter section III with sizes greater than equal diameter section III；Institute
The drum shaped body stated its lower end surface in measurement is in contact with the datum plate；The detection device also has lever instruction
Table；The contact of the dial test indicator is in contact with the round gauge head on the top；When measurement, datum plate is first placed in cylinder
On lid end face, then will test device positioning core axle pass through datum plate circular hole insertion cylinder cover guide pipe hole in, until special-shaped pin
Drum shaped body and datum plate upper end face contact；Dial test indicator contact is contacted with the round gauge head of the top of detection device, is used
Hand lightly specific one week of rotation amount, record dial test indicator reading, you can get it cylinder cover guide pipe hole perpendicularity numerical value.
Escape is machined between the equal diameter section III and equal diameter section I.
Decorative pattern is machined on the periphery of cylindrical body I described in measurer body.
The datum plate is rectangular plate body, is machined in rectangular plate body greater diameter than cylindrical body described in measurer body
The through-hole of IV outer diameter.
The present invention proposes a kind of cylinder cover guide pipe hole perpendicularity detection device cylinder cover guide pipe hole perpendicularity detection device, adopts
It with technical solution, not only efficiently solves conduit hole perpendicularity and is unable to problem on line detection, but also have the advantages that measurement
When, dial gauge contact is not contacted with piece surface, and dial gauge contact and contact surface do not generate relative motion, and measurement accuracy is more
It is high；Dial gauge is independently installed, and the installation of setting dial gauge and regulating device are not required in detection device, and measuring device structure is simple, grasps
Make easy.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is to measure specific schematic diagram in the present invention；
Fig. 4 is the A-A view of Fig. 3；
Fig. 5 is cylinder cover guide pipe hole perpendicularity detection device operation principle schematic diagram.
In figure: 1, coming directly towards, 2, measurer body, 2-1, cylindrical body I, 2-2, cylindrical body II, 2-3, cylindrical body III, 2-4, cylindrical body
IV, 2-5, radial through-hole, 3, special-shaped pin, 4, nut, 5, datum plate, 6, positioning core axle, 6-1, shoulder, 6-2, rotary table, 7, lever
Dial gauge, 8, cylinder head.
Specific embodiment
The present invention is illustrated with reference to the drawings and specific embodiments:
As shown in Figure 1 and Figure 2, and Fig. 5, a kind of cylinder cover guide pipe hole perpendicularity detection device are combined, detection device has to put
Set the datum plate 5 on 8 end face of cylinder head；The detection device also has the locating core to be inserted into cylinder cover guide pipe hole
Axis 6；The positioning core axle 6 is cylindrical posts；The middle part of the positioning core axle 6 has and its integrally formed shoulder 6-1；
Rotary table 6-2 there are two being nested on the positioning core axle；Rotary table 6-2 described in two is located at the lower section of the shoulder 6-1, two institutes
There is gap between the rotary table 6-2 stated, and also there is gap between the superposed rotary table 6-2 and shoulder 6-1；Two institutes
The rotary table 6-2 and the positioning core axle stated is integrally formed；The aperture in the outer diameter of two rotary table 6-2 and cylinder cover guide pipe hole is in small
Clearance fit；The upper end of the positioning core axle 6 is located in measurer body 12, and is interference fitted with the measurer body 2, by described
Shoulder 6-1 is supported the measurer body 2；The measurer body 2 in conjunction with described in Fig. 3 be followed successively by from top to bottom I 2-1 of cylindrical body,
IV 2-4 of II 2-2 of cylindrical body, III 2-3 of cylindrical body and cylindrical body；The I 2-1 diameter of cylindrical body is maximum, III 2-3 of cylindrical body
Diameter take second place, the diameter of IV 2-4 of cylindrical body it is minimum；The center of IV 2-4 of cylindrical body has axially extending bore, and the axis
It is interference fitted to the upper end of through-hole and the positioning core axle 6；IV 2-4 of cylindrical body described in measurer body 2 is corresponding on datum plate 5
Via clearance cooperation, constitutes the measurer body 2 under the effect of external force, drives the positioning core axle 6 in cylinder cover guide pipe
The structure rotated in hole；Have on I 2-1 of cylindrical body described in measurer body 2 to the axially extending bore with 1 transition fit of top；It is described
Top 1 be T-type body；The lower part of the T-type body is the cylindrical body with axially extending bore transition fit described on I 2-1 of cylindrical body；
The top of the T-type body is the round estrade that diameter is greater than axially extending bore described on I 2-1 of cylindrical body, and on the round estrade
The center of end face is equipped with a round gauge head；In conjunction with Fig. 4, has on III 2-3 of cylindrical body described in measurer body 2 and passed through to special-shaped pin 3
Radial through-hole 2-5, and the both ends of the surface of the radial through-hole 2-5 be plane；The special-shaped pin 3 is horizontally disposed；The characteristic pin 3
With the equal diameter section I with radial through-hole 2-5 transition fit；One end of the equal diameter section I, which has, to be located at outside radial through-hole 2-5
Equal diameter section II；The diameter of the equal diameter section II is less than the diameter of the equal diameter section I；Outside the equal diameter section II
External screw thread is machined on wall surface；The other end of the equal diameter section I has the equal diameter section III being located at outside radial through-hole 2-5；Institute
The diameter for stating equal diameter section III is greater than the diameter of the equal diameter section II I；The end of the equal diameter section III with sizes greater than
The drum shaped body of equal diameter section III；The drum shaped body its lower end surface in measurement is in contact with the datum plate 5；The inspection
Surveying device also has dial test indicator 7；The contact of the lever indicateing arm table 7 is in contact with the round gauge head on the top 1；
Its overall connection relationship is: special-shaped pin 3 is mounted in 2 radial through-hole 2-5 of measurer body, and is fastened with nut 4.Positioning core axle 6
Upper section is mounted in 2 lower end surface axially extending bore of measurer body；The lower section of top 1 is mounted in 2 upper surface axially extending bore of measurer body.
Escape is machined between the equal diameter section III and equal diameter section II I.
Decorative pattern is machined on the periphery of I 2-1 of cylindrical body described in measurer body 2.
The datum plate 5 is rectangular plate body, is machined in rectangular plate body greater diameter than cylinder described in measurer body 2
The round tube hole of IV 2-4 outer diameter of body.
When measurement, first datum plate 5 is placed on 8 end face of cylinder head to be measured, then will test the positioning core axle 6 of device across base
In through-hole insertion 8 guide hole of cylinder head of quasi- plate 5, until the drum shaped body and 5 upper end face contact of datum plate of special-shaped pin 3.
7 contact of dial test indicator is contacted with the round estrade circle gauge head of the top 1 of detection device, is lightly rotated with hand
Measurer body 2 one weeks, record dial test indicator 7 was read, 8 conduit hole perpendicularity numerical value of cylinder head that you can get it.
Claims (4)
1. a kind of cylinder cover guide pipe hole perpendicularity detection device, it is characterised in that: detection device has to be placed on cylinder head
Datum plate on end face；The detection device also has the positioning core axle to be inserted into cylinder cover guide pipe hole；Described determines
Position mandrel is cylindrical posts；The middle part of the positioning core axle has and its integrally formed shoulder；It is covered on the positioning core axle
Rotary table there are two setting；Rotary table described in two is located at the lower section of the shoulder, has gap, and position between rotary table described in two
Also there is gap between the rotary table and shoulder on top；Rotary table described in two and the positioning core axle are integrally formed；
The outer diameter of two rotary tables and the aperture in cylinder cover guide pipe hole cooperate in small―gap suture；The upper end of the positioning core axle is located at measurer body
It is interior, and be interference fitted with the measurer body；The measurer body is followed successively by cylindrical body I, cylindrical body II, cylindrical body from top to bottom
III and cylindrical body IV；I diameter of cylindrical body is maximum, and the diameter of the cylindrical body III takes second place, the diameter of cylindrical body IV is minimum；
The center of the cylindrical body IV has axially extending bore, and the upper end of the axially extending bore and the positioning core axle is interference fitted；
Cylindrical body IV described in measurer body cooperates with via clearance corresponding on datum plate, constitutes the measurer body in the effect of external force
Under, the structure that drives the positioning core axle to rotate in cylinder cover guide pipe hole；On cylindrical body I described in measurer body have to
Come directly towards the axially extending bore of transition fit；The top is T-type body；The lower part of the T-type body is and axis described on cylindrical body I
To the cylindrical body of through-hole transition fit；The top of the T-type body is the rotary table that diameter is greater than axially extending bore described on cylindrical body I
Body, and a round gauge head is equipped at the center of the round estrade upper surface；Have on cylindrical body III described in measurer body to special-shaped
Sell across radial through-hole, and the both ends of the surface of the radial through-hole be plane；The special-shaped pin is horizontally disposed；The characteristic pin tool
There is the equal diameter section I with radial through-hole transition fit；One end of the equal diameter section I has the equal diameter being located at outside radial through-hole
Section II；The diameter of the equal diameter section II is less than the diameter of the equal diameter section I；Add in the outside wall surface of the equal diameter section II
Work has external screw thread；The other end of the equal diameter section I has the equal diameter section III being located at outside radial through-hole；The equal diameter section III
Diameter be greater than the equal diameter section I diameter；Drum of the end of the equal diameter section III with sizes greater than equal diameter section III
Body；The drum shaped body its lower end surface in measurement is in contact with the datum plate；The detection device also has thick stick
Bar dial gauge；The contact of the lever indicateing arm table is in contact with the round gauge head on the top；When measurement, first by datum plate
Be placed on cylinder head end face, then will test device positioning core axle pass through datum plate through-hole insertion cylinder cover guide pipe hole in, directly
To the drum shaped body and datum plate upper end face contact of special-shaped pin；By the round gauge head of the top of dial test indicator contact and detection device
Contact, with hand lightly specific one week of rotation amount, record dial test indicator is read, you can get it cylinder cover guide pipe hole perpendicularity number
Value.
2. a kind of cylinder cover guide pipe hole perpendicularity detection device as described in claim 1, it is characterised in that: the equal diameter
Escape is machined between section III and equal diameter section I.
3. a kind of cylinder cover guide pipe hole perpendicularity detection device as described in claim 1, it is characterised in that: circle described in measurer body
Decorative pattern is machined on the periphery of cylinder I.
4. a kind of cylinder cover guide pipe hole perpendicularity detection device as described in claim 1, it is characterised in that: the datum plate is
Rectangular plate body is machined with the through-hole greater diameter than IV outer diameter of cylindrical body described in measurer body in rectangular plate body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910622438.6A CN110285746A (en) | 2019-07-11 | 2019-07-11 | A kind of cylinder cover guide pipe hole perpendicularity detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910622438.6A CN110285746A (en) | 2019-07-11 | 2019-07-11 | A kind of cylinder cover guide pipe hole perpendicularity detection device |
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| Publication Number | Publication Date |
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| CN110285746A true CN110285746A (en) | 2019-09-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910622438.6A Pending CN110285746A (en) | 2019-07-11 | 2019-07-11 | A kind of cylinder cover guide pipe hole perpendicularity detection device |
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| CN (1) | CN110285746A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112033334A (en) * | 2020-07-17 | 2020-12-04 | 成都飞机工业（集团）有限责任公司 | Device and method for detecting aviation conduit gap |
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| CN200975885Y (en) * | 2006-10-31 | 2007-11-14 | 扬动股份有限公司 | Device for detecting coxiality and verticality of cylinder head pipe hole |
| CN203385380U (en) * | 2013-07-26 | 2014-01-08 | 南车戚墅堰机车有限公司 | Cylinder cap valve and conduit hole coaxiality detection device |
| CN204043652U (en) * | 2014-08-25 | 2014-12-24 | 奇瑞汽车股份有限公司 | A kind of engine cylinder head conduit hole roundness measurement auxiliary mould |
| CN204495229U (en) * | 2015-03-12 | 2015-07-22 | 青岛振宇中兴机械有限公司 | A kind of guide hole cubing |
| CN109443182A (en) * | 2018-12-24 | 2019-03-08 | 常州机电职业技术学院 | Cylinder head valve sealing band and guide hole axiality detection device and its detection method |
| CN210268497U (en) * | 2019-07-11 | 2020-04-07 | 河南柴油机重工有限责任公司 | Cylinder head pipe hole straightness detection device that hangs down |
-
2019
- 2019-07-11 CN CN201910622438.6A patent/CN110285746A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006317395A (en) * | 2005-05-16 | 2006-11-24 | Honda Motor Co Ltd | Coaxiality measuring device |
| CN200975885Y (en) * | 2006-10-31 | 2007-11-14 | 扬动股份有限公司 | Device for detecting coxiality and verticality of cylinder head pipe hole |
| CN203385380U (en) * | 2013-07-26 | 2014-01-08 | 南车戚墅堰机车有限公司 | Cylinder cap valve and conduit hole coaxiality detection device |
| CN204043652U (en) * | 2014-08-25 | 2014-12-24 | 奇瑞汽车股份有限公司 | A kind of engine cylinder head conduit hole roundness measurement auxiliary mould |
| CN204495229U (en) * | 2015-03-12 | 2015-07-22 | 青岛振宇中兴机械有限公司 | A kind of guide hole cubing |
| CN109443182A (en) * | 2018-12-24 | 2019-03-08 | 常州机电职业技术学院 | Cylinder head valve sealing band and guide hole axiality detection device and its detection method |
| CN210268497U (en) * | 2019-07-11 | 2020-04-07 | 河南柴油机重工有限责任公司 | Cylinder head pipe hole straightness detection device that hangs down |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112033334A (en) * | 2020-07-17 | 2020-12-04 | 成都飞机工业（集团）有限责任公司 | Device and method for detecting aviation conduit gap |
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