CN206420391U - A kind of piston detection means - Google Patents
A kind of piston detection means Download PDFInfo
- Publication number
- CN206420391U CN206420391U CN201621318641.2U CN201621318641U CN206420391U CN 206420391 U CN206420391 U CN 206420391U CN 201621318641 U CN201621318641 U CN 201621318641U CN 206420391 U CN206420391 U CN 206420391U
- Authority
- CN
- China
- Prior art keywords
- piston
- detection means
- measuring plate
- support
- means according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a kind of piston detection means, including the structure such as cubing pedestal and Measuring plate.Two are additionally provided with cubing pedestal against projection, two against projection and the wall contacts of piston, for limiting the location of piston.Because two relative positions against projection have determined, therefore with the cylindric piston of fixed dimension against when, the position of piston can be uniquely determined, and the mode positioned with respect to axle center, it can avoid because of the skew that dimensional tolerance is produced, the actual effect of positioning is more preferable.Set to preset in transparent Measuring plate, Measuring plate in the top of tested piston and compare pattern, in advance the shape in the outer margin contour of mark piston and valve hole.The piston structure that pattern is standard of comparing in Measuring plate, when being located against projection in the position of piston and uniquely determining, contrasted by the transparent Measuring plate in top and the structure of detected top land, it is possible to which the position and size for detecting air outlet valve hole whether there is error.
Description
Technical field
The utility model is related to processing detection technique field, further relates to a kind of piston detection means.
Background technology
Piston port hole is a piston crown structure corresponding with engine valve, if piston port hole and internal combustion engine
The position of valve can produce noise and engine valve is caused to damage if not corresponding to, the position in piston port hole is for piston
Balance movement seems extremely important.
Therefore, need to detect the position that valve is cheated after the completion of Piston Machining.As shown in figure 1, being prior art
A kind of a kind of middle detection instrument for detecting piston port hole position.The platform for coordinating clamp with piston 01 is provided with seam dish 01
Rank, piston 02 is placed in seam dish 01 and positioned, then rotary-piston 02 inserts the movable plug 06 in cubing pedestal 05
Piston pin hole, makes piston be positioned in seam dish 01.Finally gauge 04 is inserted from top to bottom in piston port hole 03, comparative quantity
Rule 04 cheat the 03 whether corresponding overall size to detect valve hole of size and position with valve.Wherein the size of gauge 04 is gas
The standard size in door hole, the position of gauge 04 is the normal place in valve hole
Using above-mentioned detection mode, the use scope of cubing is limited to very much, can only detect the piston of certain specific model, only
It is adapted to rule, circular valve hole, is not applied to then for the valve hole of abnormity.Due to piston pin hole generally with outside piston not
Coaxially, there is certain bias in both；The size in piston port hole, shape, position are differed simultaneously, and every kind of piston is required for individually
Cubing is made, cost is higher.
Therefore, for those skilled in the art, a kind of good piston port hole cubing of versatility how is designed, is
The current technical issues that need to address.
Utility model content
The utility model provides a kind of piston detection means, can be applied to a variety of various sizes of pistons, versatility is more
By force.Concrete scheme is as follows：
A kind of piston detection means, including：
On cubing pedestal for placing piston, the cubing pedestal set two contacted with piston outer wall position against
Projection；
It is arranged to preset in the transparent Measuring plate above tested piston, the Measuring plate and compares pattern.
Alternatively, the cubing pedestal includes orthogonal level board and vertical plate, and the level board is lived for support
Set described against projection on plug, the vertical plate.
Alternatively, it is tangent against plane with piston outer wall against setting respectively on projection described in two；Supported described in two
Angle by plane is obtuse angle or right angle.
Alternatively, the vertical plate top of the cubing pedestal is provided for installing the support of the fixed Measuring plate, described
Support is slided up and down by the way that at least two guide pillars are spacing.
Alternatively, be set with back-moving spring on the guide pillar, the top of the back-moving spring against the support, bottom against
The cubing pedestal.
Alternatively, the support is U-shaped, and the width between the Liang GeUXing branches of the support is more than the diameter of piston.
Alternatively, waist hole is set in the Measuring plate, passed through between the Measuring plate and the Liang GeUXing branches of the support
Trip bolt is fixed.
Alternatively, plug is fixedly installed in the horizontal direction on the vertical plate of the cubing pedestal, the plug is inserted into
In the pin-and-hole of piston.
Alternatively, set to replace on the vertical plate of the pedestal and setting bias is removably secured in hole, the replacement hole
Block, the plug is fixed on the eccentric block, and the eccentric block is detachably fixed with the pedestal and is connected.
Alternatively, the plug is fixed through the cubing pedestal and by nut check.The utility model provides one
Plant the structures such as piston detection means, including cubing pedestal and Measuring plate.Cubing pedestal is a supporting construction, thereon for placing
Piston；Two are additionally provided with cubing pedestal against projection, two against projection and the wall contacts of piston, for limiting work
The location of plug.Due to two relative positions against projection it has been determined that therefore in the cylindric piston with fixed dimension
Against when, the position of piston can be uniquely determined, and the mode positioned with respect to axle center, can be avoided because of dimensional tolerance
The skew of generation, the actual effect of positioning is more preferable.
Set to preset in transparent Measuring plate, Measuring plate in the top of tested piston and compare pattern, advance mark piston
Outer margin contour and the shape in valve hole.In Measuring plate compare pattern be standard piston structure, the position of piston by
When being uniquely determined by projection, contrasted by the transparent Measuring plate in top and the structure of detected top land, it is possible to
The position and size for detecting air outlet valve hole whether there is error.
Because by setting two fixed against projection, wall contacts with piston, therefore the fixed form of piston is
The detection of different size pistons is can apply to, the scope of application is wider.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structure chart of piston detection means in the prior art；
A kind of axle geodesic structure figure for specific embodiment of piston detection means that Fig. 2 provides for the utility model；
The axonometric drawing for another angle of piston detection means that Fig. 3 provides for the utility model；
The top view for the piston detection means that Fig. 4 provides for the utility model；
The cross-sectional view for the piston detection means that Fig. 5 provides for the utility model；
Fig. 6 is the cross-sectional view that eccentric block is in another location；
Fig. 7 is the axonometric drawing of cubing pedestal；
Fig. 8 is the axonometric drawing of eccentric block.
Including：
Cubing pedestal 1, against projection 11, replace hole 12, plug 2, piston 3, Measuring plate 4, waist hole 41, trip bolt 5, lead
Post 6, back-moving spring 7, support 8, eccentric block 9.
Embodiment
Core of the present utility model is to provide a kind of piston detection means, can be applied to a variety of various sizes of work
Plug, versatility is stronger.
In order that those skilled in the art more fully understands the technical solution of the utility model, below in conjunction with accompanying drawing and
Explanation is described in detail in specific embodiment, the piston detection means to the application.
As shown in Figures 2 and 3, the axle of the respectively different angles of piston detection means two that the utility model is provided is surveyed
Figure.The device mainly includes cubing pedestal 1 and Measuring plate 4.Cubing pedestal 1 is used to place piston, plays main supporting role.
Two are set on cubing pedestal 1 against projection 11, two can be different from two on piston lateral surface respectively against projection 11
Point contact, plays a part of positioning.Specifically, two against projection 11 be resisted against on piston 3 when, as shown in figure 4, for detection
The top view of device；Fig. 5 and Fig. 6 are cross-sectional view.Each there is a point to be contacted with piston 3 against projection 11, two are supported
Relative position by projection 11 is it has been determined that from geometrical relationship, when the radius of piston is determined, two against the energy of projection 11
The position of piston 3 is enough uniquely determined, position of the piston 3 on cubing pedestal 1 is uniquely determined.Therefore two against projection 11 with
As long as the line diameter parallel not with piston 3 for the point that piston 3 is contacted, preferred scheme is two and is located at against projection 11
On same level plate, piston 3 against when stress balance.
After the position of piston 3 is uniquely determined against projection 11 by two, it is necessary to carry out next detecting step.In quilt
Survey above piston and be provided with transparent Measuring plate 4, Measuring plate 4 is fixed by relative supporting construction, it is pre- in Measuring plate 4
If comparing the profile in the contour line for indicating standard piston in pattern, Measuring plate 4 in advance and valve hole, in detection by profile
Line is directed at the edge of piston 3, compares valve hole and the position in the valve hole marked in Measuring plate 4 on detected piston 3, if two
Person overlaps, and thinks that valve hole is in normal position on detected piston 3, thinks unqualified if there is deviation.
The utility model is positioned, it is to avoid pass through by two structures against projection 11 using the lateral wall of piston
The deviation that axle center positions and occurred, and various sizes of piston can be by positioning, with more with a pair against projection 11
Good versatility.Detect that the mode compared is, by transparent Measuring plate 4, if desired to detect various sizes of piston, make simultaneously
With the Measuring plate 4 of different labeled, the piston structure of multiple sizes can also be marked in same Measuring plate 4, one is realized
Thing is used.
On this basis further, cubing pedestal 1 includes orthogonal level board and vertical plate, as shown in Figure 7
Structure, cubing pedestal 1 is made up of two boards shape structure.Level board is located at bottommost, for support piston 3, vertical plate and level
The edge of plate is fixedly connected, and projection 11 is positioned against on vertical plate, is protruded against projection 11 towards the center of level board.Against
There is the top for being arranged on vertical plate in certain gap, Fig. 7 against projection 11 between projection 11 and level board.Level board is lived
The bottom contact of plug 3, makes piston 3 keep vertical state, by limiting the position of piston 3 against projection 11, by the position of piston 3
Uniquely determine.The height of vertical plate is more than measured piston, so that piston can be normally put into, not by the top of vertical plate other
The interference of part hinders.
Specifically, two it is tangent against plane with piston outer wall against setting respectively on projection 11, namely it is each against
Projection 11 is respectively provided with a plane tangent with the outer wall of piston 3.There is certain angle between two planes, be in each other
" V " font, by piston 3 to two against be easier during projection 11 determine position.As long as it is each against projection 11 have a point with
The wall contacts of piston 3, therefore planar structure is a kind of preferred scheme, if only one vertical crest line and piston
3 against also possible.Certainly, the part contacted with piston 3 can also be the pattern of cambered surface, and these specific set-up modes are all
Within the application scope of the claimed.
More specifically, two angles against plane are obtuse angle or right angle, two hatch frames for being formed against plane
Easily accommodate piston 3.
Further, the vertical plate top of cubing pedestal 1 is provided for installing the support 8 of fixation measuring disk 4, and support 8 leads to
Cross that at least two guide pillars 6 are spacing to slide up and down.Two guide pillars 6, two are vertically fixed with the vertical plate top of cubing pedestal 1
Individual guide pillar 6 is inserted into positioning support 8 in the through hole that opens up on support 8.
To improve convenience when using, back-moving spring 7 is set with guide pillar 6, by back-moving spring 7 by the jack-up of support 8.
The top of back-moving spring 7 is against support 8, bottom against cubing pedestal 1, and support 8 is spacing by guide pillar 6, can slide up and down.Surveying
Operator presses down on support 8 during amount, the Measuring plate 4 on its support 8 is moved down close to piston 3, to facilitate observation to compare.Measurement
After the completion of releases clamp 8, back-moving spring 7 elastic force effect lower carriage 8 move up, piston 3 can be taken out.Support 8 is
The structure design of up and down formula, can facilitate picking and placeing for piston 3, it is to avoid Measuring plate 4 causes to hinder.Pass through two guide pillars 6
It is spacing to have made the holding level of support 8, certainly, if setting more guide pillar structures also possible.
Specifically, support 8 is U-shaped framework structure, and support 8 has the width between Liang GeUXing branches, Liang GeUXing branches big
In the diameter of piston, when support 8 is moved down, measurement plate 4 can be close to the top of piston 3.
In addition, waist hole 41 is set in Measuring plate 4, by fastening spiral shell between Measuring plate 4 and the Liang GeUXing branches of support 8
Nail 5 is fixed.In the insertion waist hole of trip bolt 5, Measuring plate 4 can be fixed with support 8, if desired finely tune Measuring plate 4
Position, trip bolt 5 is unclamped, and adjusts the position of Measuring plate 4 by a small margin, again tightens trip bolt 5 admittedly after adjusting
It is fixed.
In any of the above-described technical scheme and its on the basis of being mutually combined, on the vertical plate of cubing pedestal 1 in the horizontal direction
Plug 2 is fixedly installed, plug 2 is inserted into the pin-and-hole of piston.Piston 3 be cylindrical structural, be also make its positioning when not
Rotate, a plug 2 is fixedly installed in level on the vertical plate of cubing pedestal 1, plug 2 is inserted into the pin of piston 3
Kong Zhong, can not be rotated when being positioned to piston 3.The utility model determines piston 3 by two against projection 11 and level board
Three-dimensional coordinate, prevent piston 3 from rotating by plug 2, so as to uniquely determine the locus of piston 3.
Hole 12 is replaced as shown in fig. 7, being set on the vertical plate of cubing pedestal 1, is removably secured and sets in replacement hole 12
Put eccentric block 9.Hole is threaded on eccentric block 9, structure is threaded in the insertion end of plug 2, plug 2 leads to eccentric block 9
Screw thread cooperation is crossed to achieve a fixed connection.As shown in figure 8, being the axle geodesic structure figure of eccentric block 9, eccentric block 9 and cubing pedestal 1 are removable
Unload and be fixedly connected, the T-shaped ledge structure of eccentric block 9 is fixed with cubing pedestal 1 by screw, by adjusting the place of eccentric block 9
Horizontal level coordinates with the pin-and-hole on piston 3 to be inserted.Oblate waist hole, regulation eccentric block 9 and cubing are provided with eccentric block 9
The horizontal relative position of pedestal 1.
It is first in use, piston is close to two of cubing pedestal 1 it is V-shaped against locking eccentric block 9 after projection；This
Sample is that can determine that the test position of piston in inspection particularly.V-structure feature is Central Symmetry, there is centering to make cylindrical structure
With, after outside piston is close to V-type face, the position that the plug on piston is moved left and right with eccentric block on cubing pedestal
It is determined that.
After eccentric block 9 is locked, support 8 is pressed downward, the lower surface of Measuring plate 4 is fitted with the top surface of piston 3.It is movable
Measuring plate 4, makes the molded line of Measuring plate 4 be overlapped with piston port pit edge, locks Measuring plate 4.Outside piston is in different size to be caused
Piston is different in cubing body longitudinal separation, and Measuring plate waist type groove structure allows adjustment before and after Measuring plate.So far, we are completed
The calibration of case cubing.
The detection of batch can be carried out after calibration, the pin-and-hole of piston 3 is inserted after plug 2, cubing is close to by piston 3 is cylindrical
The V-type of pedestal 1 is pressed downward support 8 against projection 11, is cheated by the valve pit type line for observing Measuring plate 4 with piston-top surface valve
Molded line overlaps degree to detect that the valve of piston is cheated.Releases clamp 8, support 8 will be returned to just by back-moving spring 7 along guide pillar 6
Beginning position, last piston withdraws from along plug 2.The present apparatus can apply to a variety of various sizes of pistons, and the scope of application is wider.Inspection
When surveying variety classes piston, Measuring plate and plug only need to be changed, without remaking a whole set of cubing, highly versatile.Scheme
" after the adjective-centre structure in V-type face can be calibrated with standard piston, be used as the detection of piston pin hole boring process pin-and-hole and cylindrical position
Cubing.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice, can in other embodiments be realized in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (10)
1. a kind of piston detection means, it is characterised in that including：
Two are set on cubing pedestal (1) for placing piston, the cubing pedestal (1) supporting for positioning is contacted with piston outer wall
By projection (11)；
It is arranged to preset on the transparent Measuring plate (4) above tested piston, the Measuring plate (4) and compares pattern.
2. piston detection means according to claim 1, it is characterised in that the cubing pedestal (1) includes being mutually perpendicular to
Level board and vertical plate, the level board is used for support piston, sets described against projection (11) on the vertical plate.
3. piston detection means according to claim 2, it is characterised in that against setting respectively on projection (11) described in two
Put tangent against plane with piston outer wall；Angle described in two against plane is obtuse angle or right angle.
4. piston detection means according to claim 2, it is characterised in that the vertical plate top of the cubing pedestal (1)
Be provided for installing the support (8) of the fixed Measuring plate (4), the support (8) by least two guide pillars (6) it is spacing above and below
Slide.
5. piston detection means according to claim 4, it is characterised in that be set with back-moving spring on the guide pillar (6)
(7), the top of the back-moving spring (7) is against the support (8), bottom against the cubing pedestal (1).
6. piston detection means according to claim 4, it is characterised in that the support (8) is U-shaped, the support (8)
Liang GeUXing branches between width be more than piston diameter.
7. piston detection means according to claim 6, it is characterised in that waist hole (41) is set on the Measuring plate (4),
It is fixed by trip bolt (5) between the Liang GeUXing branches of the Measuring plate (4) and the support (8).
8. the piston detection means according to any one of claim 2 to 7, it is characterised in that the cubing pedestal (1) it is perpendicular
Plug (2) is fixedly installed in straight panel in the horizontal direction, the plug (2) is inserted into the pin-and-hole of piston.
9. piston detection means according to claim 8, it is characterised in that set and replace on the vertical plate of the pedestal (1)
Change and setting eccentric block (9) is removably secured in hole (12), the replacement hole (12), the plug (2) is fixed on the bias
On block (9), the eccentric block (9) is detachably fixed with the pedestal (1) to be connected.
10. piston detection means according to claim 9, it is characterised in that the plug (2) runs through the cubing pedestal
(1) and by nut check fix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621318641.2U CN206420391U (en) | 2016-12-02 | 2016-12-02 | A kind of piston detection means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621318641.2U CN206420391U (en) | 2016-12-02 | 2016-12-02 | A kind of piston detection means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206420391U true CN206420391U (en) | 2017-08-18 |
Family
ID=59578472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621318641.2U Expired - Fee Related CN206420391U (en) | 2016-12-02 | 2016-12-02 | A kind of piston detection means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206420391U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588710A (en) * | 2017-09-06 | 2018-01-16 | 国营芜湖机械厂 | A kind of auxiliary follow up piston is drawn, pressure deflection angle check device |
| CN111958543A (en) * | 2020-09-09 | 2020-11-20 | 湖南江滨机器（集团）有限责任公司 | Split type steel piston assembly quality |
| CN113654594A (en) * | 2021-08-30 | 2021-11-16 | 青岛默森制造技术有限公司 | Special on-line measuring machine of piston |
-
2016
- 2016-12-02 CN CN201621318641.2U patent/CN206420391U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588710A (en) * | 2017-09-06 | 2018-01-16 | 国营芜湖机械厂 | A kind of auxiliary follow up piston is drawn, pressure deflection angle check device |
| CN107588710B (en) * | 2017-09-06 | 2024-04-12 | 安徽天航机电有限公司 | Follow-up piston pulling and pressing deflection angle checking device |
| CN111958543A (en) * | 2020-09-09 | 2020-11-20 | 湖南江滨机器（集团）有限责任公司 | Split type steel piston assembly quality |
| CN113654594A (en) * | 2021-08-30 | 2021-11-16 | 青岛默森制造技术有限公司 | Special on-line measuring machine of piston |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206420391U (en) | A kind of piston detection means | |
| CN205880675U (en) | Three -coordinate measuring machine part measuring uses quick aligning device | |
| CN106352768A (en) | Adjustable testing device | |
| CN202002592U (en) | Middle case jumping checking tool | |
| CN106197187A (en) | A kind of outside micrometer school detecting method | |
| CN203236377U (en) | Testing fixture supporting mechanism | |
| CN106767268A (en) | Spinning carding machine front lower cover plate height set pattern comprehensive calibration device and its application method | |
| CN205718770U (en) | Bearing outer ring height dimension test measuring device | |
| CN205691025U (en) | A kind of knuckle comprehensive check tool | |
| CN205940530U (en) | Concentric measuring device in hole about support | |
| CN209355848U (en) | A kind of taper detecting tool | |
| CN205664765U (en) | Detection apparatus for be used for auto parts shape face | |
| CN208282739U (en) | A kind of measuring device for short chord length circular arc | |
| CN207976083U (en) | A kind of auto parts and components measuring device | |
| CN106052610A (en) | Three-coordinate measurement auxiliary clamp | |
| CN205664742U (en) | Match accuracy detector for auto parts | |
| CN211668398U (en) | Seat type external conical surface fixed diameter distance measuring device | |
| CN203100707U (en) | Tool for verifying three-coordinate precision | |
| CN203611148U (en) | Support test tooling | |
| CN221147412U (en) | Hole position gauge for horizontal multistage centrifugal pump | |
| CN208872238U (en) | A precise detection device for the flatness of the CNC milling machine table | |
| CN208476110U (en) | Automobile door handle Function detection harness | |
| CN207648367U (en) | Locating support and measuring system for measuring part by process | |
| CN112902908A (en) | Surface precision calibrating device and method for air-floatation guide rail of granite working table | |
| CN209043156U (en) | A kind of positioning measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170818 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |