CN110411322A - A kind of piston pin hole geometric tolerance special gauge and detection method - Google Patents
A kind of piston pin hole geometric tolerance special gauge and detection method Download PDFInfo
- Publication number
- CN110411322A CN110411322A CN201910802890.0A CN201910802890A CN110411322A CN 110411322 A CN110411322 A CN 110411322A CN 201910802890 A CN201910802890 A CN 201910802890A CN 110411322 A CN110411322 A CN 110411322A
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- piston
- group
- plate
- pin hole
- fixedly installed
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- 238000001514 detection method Methods 0.000 title claims abstract description 32
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 16
- 239000011651 chromium Substances 0.000 claims abstract description 16
- 238000007747 plating Methods 0.000 claims abstract description 16
- 230000003287 optical effect Effects 0.000 claims abstract description 14
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000005242 forging Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- G01B5/003—Measuring of motor parts
-
- 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
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The present invention relates to production scene piston blank geometric tolerances detection technique field, a kind of piston pin hole geometric tolerance special gauge and detection method, including bottom plate, plate of standing, column and pin shaft are disclosed；Left side wall before and after the top of plate of standing has been horizontally through two groups of chromium plating optical axises, and the dome top surface positioned at station plate is fixedly installed with one group of fixing seat, is connected with one group of set lever by bolt on the left side wall of fixing seat；One group of column in inverted T-type structure is fixedly installed on front side of the upper surface of bottom plate, passing through for the upper level of column has one group of horizontal axis, one group of position degree dial gauge is fixedly installed on the right side of horizontal axis, a pack support is fixedly installed on the right side of plate upper surface, bracket is fixedly installed with one group of cross bar in the longitudinal direction, and one group of verticality dial gauge is slidably connected on cross bar.The invention has the advantages that structure is simple, and it is swift to operate, it examines precisely, to on-line checking, can greatly improve checkability.
Description
Technical field
The present invention relates to production scene piston blank geometric tolerances detection technique field, specifically a kind of piston pin hole morphemes
Tolerance special gauge and detection method.
Background technique
Piston is parts reciprocating in Motor Engine Cylinder body.The basic structure of piston can be divided into top, head
Portion and skirt section.Top land is the major part for forming combustion chamber, and shape is related with selected combustion-chamber shape.Usually come
Forging steel piston is said compared with traditional all-aluminium piston, not only there is higher reliability, while to reduction engine consumption, reduction
Air leakage, which all has, to be obviously improved.
Forging steel piston is the developing direction of novel energy-saving environment-friendly diesel engine, and to reduce machining allowance, client lives to forging
The spatial position tolerance of plug blank has higher requirement.Current most accurate detection mode is taken a little using three-coordinates measuring machine
Detection, the disadvantage is that Check-Out Time it is long, sampling the frequency it is low, be not suitable with production line high volume production process quality control with 100% detect
It is required that.
Summary of the invention
It is above-mentioned to solve the purpose of the present invention is to provide a kind of piston pin hole geometric tolerance special gauge and detection method
The problem of being proposed in background technique.
To achieve the above object, the invention provides the following technical scheme: a kind of piston pin hole geometric tolerance special gauge, packet
Bottom plate is included, plate of standing, column and pin shaft；Pin shaft thread is connected to the top center position of bottom plate, and pin shaft is used to position the first of piston
Beginning position.It is characterized in that, the upper surface top left side of bottom plate is fixedly installed with station plate, left side wall is lateral before and after the top for plate of standing
Across there is two groups of chromium plating optical axises, chromium plating light the tip of the axis is equipped with one group of fixed plate, the right end elastic connection of chromium plating optical axis jointly
There is the compressed spring with chromium plating light shaft coaxle, the end of compressed spring is equipped with one group of movable plate jointly, positioned at the top of station plate
Upper surface is fixedly installed with one group of fixing seat, is connected with one group of set lever by bolt on the left side wall of fixing seat, locks hand
The bottom end of handle is fixedly connected on the medial surface of fixed plate, is rotated by pulling set lever around bolt, and then drive chromium plating
Optical axis moves left and right stretching or squeezes compressed spring, and then drives movable plate to move left and right, be subsequently used for fixed and discharge
Measured workpiece between movable plate and pin shaft is set.
One group of column in inverted T-type structure, the upper water of column are fixedly installed on front side of the upper surface of bottom plate
Flat passing through has one group of horizontal axis, one group of position degree dial gauge is fixedly installed on the right side of horizontal axis, position degree dial gauge is for detecting
Position degree on pin hole left and right directions.It is fixedly installed with a pack support on the right side of plate upper surface, bracket is in the longitudinal direction
It is fixedly installed with one group of cross bar, one group of verticality dial gauge is slidably connected on cross bar, verticality dial gauge can be along bottom plate
Right side edge direction is move freely, and the verticality of axis Yu piston side is held for detecting pin hole.
As a further solution of the present invention: movable plate is set as L-type structure, in order to enable its front end right side to contact
To the horizontal axis on right side, and then resets and use convenient for follow-up location degree dial gauge.
As a further solution of the present invention: movable plate is parallel to each other with fixed plate.
As a further solution of the present invention: movable plate is located at the directly to the left of pin shaft, and work to be measured is provided therebetween
Part.
As further scheme of the invention: being reserved with multiple groups threaded locating hole on bottom plate, made by threaded locating hole
Must stand plate and column position it is freely adjustable, to meet the detection needs of the piston blank of various outer diameter.
A kind of detection method of piston pin hole geometric tolerance special gauge, which is characterized in that be divided into two stages, respectively
It is: the detection of pin hole position and the detection of pin hole verticality.
The detection of pin hole position:
1), cubing adjusts: the position of station plate and column, the decrement of compressed spring are adjusted according to the outer diameter size of tested piston
For 15-30mm；Suitable pin shaft is selected according to the pin hole pore size of tested piston；
2), piston first time clamping: tested piston pin hole is inserted in pin shaft, and combustion chamber faces operative position, pulls set lever
It drives compressed spring to push movable plate fixed piston, position degree dial gauge is contacted into movable plate at this time and by scale return-to-zero；
3) it, second of clamping of piston: reversely pulls set lever and compressed spring is driven to unclamp movable plate, pick up tested piston, turn over
Turn 180 °, then be inserted in pin shaft, pulls set lever again and compressed spring is driven to push movable plate fixed piston, at this time reading position
The reading of dial gauge is spent, the half of reading is pin hole left-right position degree value.
The detection of pin hole verticality: repeat it is above-mentioned 1), 2), 3) following operation is executed after step:
1) the verticality dial gauge adjustment that, bracket is installed on it: according to tested piston size, movable support position is adjusted, table is made
Needle activity is within the scope of can survey；
2), track scanning measures: being the verticality scanning track of the piston in rectangular loop, gives respectively quickly in clamping twice
Scanning.The undulating value that verticality dial gauge is shown is verticality.
Compared with prior art, the beneficial effects of the present invention are: applicability is wide, it can detect piston external diameter Φ 60- Φ
200mm can detect piston pin hole diameter Φ 25- Φ 80mm；Can rapid quantitative detection pin hole position degree and pin shaft center
Verticality data can reflect variation trend, provide adjustment foundation in time for field operation, reduce unqualified risk；Structure is simple,
It is swift to operate, it examines precisely, to on-line checking, can greatly improve checkability.
Detailed description of the invention
Fig. 1 is a kind of cubing of the piston blank pin hole position of piston pin hole geometric tolerance special gauge and detection method
Installation diagram.
Fig. 2 is the cubing test status figure in a kind of piston pin hole geometric tolerance special gauge and detection method.
Fig. 3 is the verticality scanning of a kind of piston pin hole geometric tolerance special gauge and the detected piston in detection method
Track configuration schematic diagram.
Wherein: 1, bottom plate, 2, plate of standing, 3, chromium plating optical axis, 4, fixed plate, 5, rotational handle, 6, fixing seat, 7, movable plate,
8, column, 9, position degree dial gauge, 10, bracket, 11, pin shaft, 12, compressed spring, 13, threaded locating hole.14, verticality percentage
Table.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Embodiment one
Referring to Fig. 1, a kind of piston pin hole geometric tolerance special gauge, including bottom plate 1, plate 2 of standing, column 8 and pin shaft 11；Pin shaft
11 are threaded in the top center position of bottom plate 1, and pin shaft 11 is used to position the initial position of piston.It pushes up the upper surface of bottom plate 1
Station plate 2 is fixedly installed on the left of portion, left side wall has been horizontally through two groups of chromium plating optical axises 3, chromium plating optical axis 3 before and after the top for plate 2 of standing
End one group of fixed plate 4 is installed jointly, the right end of chromium plating optical axis 3 is elasticly connected with the compression bullet coaxial with chromium plating optical axis 3
Spring 12, the end of compressed spring 12 are equipped with one group of movable plate 7 jointly, and movable plate 7 is parallel to each other with fixed plate 4.Movable plate 7
In the directly to the left of pin shaft 11, workpiece to be measured is provided therebetween.Dome top surface positioned at station plate 2 is fixedly installed with one group
Fixing seat 6 is connected with one group of set lever 5 by bolt on the left side wall of fixing seat 6, and the bottom end of set lever 5 is fixedly connected
On the medial surface of fixed plate 4, rotated by pulling set lever 5 around bolt, and then chromium plating optical axis 3 is driven to move left and right
Compressed spring 12 is stretched or squeezed, and then movable plate 7 is driven to move left and right, fixed and release is subsequently used for and is arranged in movable plate
Measured workpiece between 7 and pin shaft 11.
One group of column 8 in inverted T-type structure, the top of column 8 are fixedly installed on front side of the upper surface of bottom plate 1
Horizontal passing through has one group of horizontal axis, one group of position degree dial gauge 9 is fixedly installed on the right side of horizontal axis, position degree dial gauge 9 is used for
Detect the position degree on pin hole left and right directions.It is fixedly installed with a pack support 10 on the right side of 1 upper surface of bottom plate, bracket 10 is preceding
It is fixedly installed with one group of cross bar in rear direction, one group of verticality dial gauge 14, verticality dial gauge 14 are slidably connected on cross bar
It can be move freely along the right side edge direction of bottom plate 1, the verticality of axis Yu piston side is held for detecting pin hole.
Movable plate 7 is set as L-type structure, in order to enable its front end right side to touch the horizontal axis on right side, and then is convenient for
Follow-up location degree dial gauge 9, which resets, to be used.
Embodiment two
It is reserved with multiple groups threaded locating hole 13 on the bottom plate 1, the position of station plate 2 and column 8 is made by threaded locating hole 13
It is freely adjustable, to meet the detection needs of the piston blank of various outer diameter.
The working principle of the invention is: a kind of detection method of piston pin hole geometric tolerance special gauge is divided into two ranks
Section, it is respectively: the detection of pin hole position and the detection of pin hole verticality；Now the two stages are described as follows:
The detection of pin hole position:
1), cubing adjusts: the position of station plate 2 and column 8, the pressure of compressed spring 12 are adjusted according to the outer diameter size of tested piston
Contracting amount is 15-30mm；Suitable pin shaft 11 is selected according to the pin hole pore size of tested piston；
2), piston first time clamping: tested piston pin hole is inserted in pin shaft 11, as shown in Figure 2 (combustion chamber faces operative position),
Pulling set lever 5 drives compressed spring 12 to push 7 fixed piston of movable plate, and position degree dial gauge 9 is contacted movable plate 7 at this time
And by scale return-to-zero；
3) it, second of clamping of piston: reversely pulls set lever 5 and compressed spring 12 is driven to unclamp movable plate 7, pick up tested work
Plug overturns 180 °, then is inserted in pin shaft 11, pulls set lever 5 again and compressed spring 12 is driven to push 7 fixed piston of movable plate,
The reading of reading position degree dial gauge 9 at this time, the half of reading are pin hole left-right position degree value.
The detection of pin hole verticality: repeat it is above-mentioned 1), 2), 3) following operation is executed after step:
1) the verticality dial gauge 13 that, bracket 10 is installed on it adjusts: according to tested piston size, adjusting movable support 10
It sets, makes indicator activity within the scope of can survey；
2), track scanning measures: as shown in figure 3, being the verticality scanning track of the piston in rectangular loop, in clamping twice point
It does not scan quickly.The undulating value that verticality dial gauge 14 is shown is verticality.
The preferred embodiment of the patent is described in detail above, but this patent is not limited to above-mentioned embodiment party
Formula within the knowledge of one of ordinary skill in the art can also be under the premise of not departing from this patent objective
It makes a variety of changes.
Claims (8)
1. a kind of piston pin hole geometric tolerance special gauge, including bottom plate (1), plate of standing (2), column (8) and pin shaft (11)；Pin shaft
(11) it is threaded in the top center position of bottom plate (1), which is characterized in that the fixed peace of the upper surface top left side of bottom plate (1)
Equipped with station plate (2), left side wall has been horizontally through two groups of chromium plating optical axises (3), the end of chromium plating optical axis (3) before and after the top of plate of standing (2)
End is equipped with one group of fixed plate (4) jointly, and the right end of chromium plating optical axis (3) is elasticly connected with the compression coaxial with chromium plating optical axis (3)
Spring (12), the end of compressed spring (12) are equipped with one group of movable plate (7) jointly, and the dome top surface for being located at station plate (2) is solid
Dingan County is equipped with one group of fixing seat (6), is connected with one group of set lever (5), locking hand by bolt on the left side wall of fixing seat (6)
The bottom end of handle (5) is fixedly connected on the medial surface of fixed plate (4)；One is fixedly installed on front side of the upper surface of bottom plate (1)
Group is in the column (8) of inverted T-type structure, and passing through for the upper level of column (8) has one group of horizontal axis, the fixed peace in the right side of horizontal axis
Equipped with one group of position degree dial gauge (9), it is located on the right side of bottom plate (1) upper surface and is fixedly installed with a pack support (10), bracket (10)
It is fixedly installed with one group of cross bar in the longitudinal direction, one group of verticality dial gauge (14) is slidably connected on cross bar.
2. a kind of piston pin hole geometric tolerance special gauge according to claim 1, which is characterized in that movable plate (7) is set
It is set to L-type structure.
3. a kind of piston pin hole geometric tolerance special gauge according to claim 2, which is characterized in that movable plate (7) with
Fixed plate (4) is parallel to each other.
4. a kind of piston pin hole geometric tolerance special gauge according to claim 3, which is characterized in that movable plate (7) position
Directly to the left in pin shaft (11).
5. a kind of piston pin hole geometric tolerance special gauge according to claim 1 to 4, which is characterized in that bottom plate
(1) multiple groups threaded locating hole (13) are reserved on.
6. a kind of detection method of piston pin hole geometric tolerance special gauge, which is characterized in that be divided into two stages, be respectively:
The detection of pin hole position and the detection of pin hole verticality.
7. a kind of detection method of piston pin hole geometric tolerance special gauge according to claim 6, which is characterized in that pin
The detection of hole location:
1), cubing adjusts: the position of station plate (2) and column (8), compressed spring are adjusted according to the outer diameter size of tested piston
(12) decrement is 15-30mm；Suitable pin shaft (11) is selected according to the pin hole pore size of tested piston；
2), piston first time clamping: tested piston pin hole is inserted in pin shaft (11), is pulled set lever (5) and is driven compression bullet
Spring (12) pushes movable plate (7) fixed piston, at this time by position degree dial gauge (9) contact movable plate (7) and by scale return-to-zero；
3), second of clamping of piston: reversely pull set lever (5) drive compressed spring (12) unclamp movable plate (7), pick up by
Piston is surveyed, overturns 180 °, then be inserted in pin shaft (11), set lever (5) is pulled again and compressed spring (12) is driven to push movable plate
(7) fixed piston, the reading of reading position degree dial gauge (9), the half of reading are pin hole left-right position degree value at this time.
8. a kind of detection method of piston pin hole geometric tolerance special gauge according to claim 7, which is characterized in that pin
The detection of hole perpendicularity: repeat it is above-mentioned 1), 2), 3) following operation is executed after step:
1) verticality dial gauge (13) adjustment that, bracket (10) is installed on it: according to tested piston size, movable support is adjusted
(10) position makes indicator activity within the scope of can survey；
2), track scanning measures: being the verticality scanning track of the piston in rectangular loop, gives respectively quickly in clamping twice
The undulating value of scanning, verticality dial gauge (14) display is verticality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910802890.0A CN110411322B (en) | 2019-08-28 | 2019-08-28 | Special gauge for piston pin hole form and position tolerance and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910802890.0A CN110411322B (en) | 2019-08-28 | 2019-08-28 | Special gauge for piston pin hole form and position tolerance and detection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110411322A true CN110411322A (en) | 2019-11-05 |
| CN110411322B CN110411322B (en) | 2024-04-16 |
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ID=68369056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910802890.0A Active CN110411322B (en) | 2019-08-28 | 2019-08-28 | Special gauge for piston pin hole form and position tolerance and detection method |
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| Country | Link |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5873173A (en) * | 1997-07-31 | 1999-02-23 | Redmond; David W. | Device for measuring length and vertical clearance of engine connecting rods |
| CN101907430A (en) * | 2010-07-12 | 2010-12-08 | 安徽华祥实业有限公司 | Comprehensive Measuring Instrument for Position Degree and Runout of Piston Outer Ring Groove |
| CN201772854U (en) * | 2010-07-12 | 2011-03-23 | 安徽华祥实业有限公司 | Verticality inspection tester for piston pin holes |
| CN203964806U (en) * | 2014-06-11 | 2014-11-26 | 贵州航天工业学校 | A kind of form and position tolerance pick-up unit |
| CN204988122U (en) * | 2015-09-22 | 2016-01-20 | 重庆小康工业集团股份有限公司 | Piston compressor is high, and utensil is examined in measuring special use |
| CN105953684A (en) * | 2016-06-27 | 2016-09-21 | 黄石中林科技发展有限公司 | Stator screw hole position testing fixture |
| CN106017285A (en) * | 2016-06-27 | 2016-10-12 | 黄石中林科技发展有限公司 | Verticality and symmetry degree testing tool for piston pin hole |
| CN207635974U (en) * | 2017-12-21 | 2018-07-20 | 江苏太平洋齿轮传动有限公司 | Measure the combined detection tool of gear ring M values and gear ring circular runout |
| CN210154504U (en) * | 2019-08-28 | 2020-03-17 | 安徽安簧机械股份有限公司 | Special gauge for shape and position tolerance of piston pin hole |
-
2019
- 2019-08-28 CN CN201910802890.0A patent/CN110411322B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5873173A (en) * | 1997-07-31 | 1999-02-23 | Redmond; David W. | Device for measuring length and vertical clearance of engine connecting rods |
| CN101907430A (en) * | 2010-07-12 | 2010-12-08 | 安徽华祥实业有限公司 | Comprehensive Measuring Instrument for Position Degree and Runout of Piston Outer Ring Groove |
| CN201772854U (en) * | 2010-07-12 | 2011-03-23 | 安徽华祥实业有限公司 | Verticality inspection tester for piston pin holes |
| CN203964806U (en) * | 2014-06-11 | 2014-11-26 | 贵州航天工业学校 | A kind of form and position tolerance pick-up unit |
| CN204988122U (en) * | 2015-09-22 | 2016-01-20 | 重庆小康工业集团股份有限公司 | Piston compressor is high, and utensil is examined in measuring special use |
| CN105953684A (en) * | 2016-06-27 | 2016-09-21 | 黄石中林科技发展有限公司 | Stator screw hole position testing fixture |
| CN106017285A (en) * | 2016-06-27 | 2016-10-12 | 黄石中林科技发展有限公司 | Verticality and symmetry degree testing tool for piston pin hole |
| CN207635974U (en) * | 2017-12-21 | 2018-07-20 | 江苏太平洋齿轮传动有限公司 | Measure the combined detection tool of gear ring M values and gear ring circular runout |
| CN210154504U (en) * | 2019-08-28 | 2020-03-17 | 安徽安簧机械股份有限公司 | Special gauge for shape and position tolerance of piston pin hole |
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| Publication number | Publication date |
|---|---|
| CN110411322B (en) | 2024-04-16 |
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