CN105890500A - Connecting rod contour detection device - Google Patents
Connecting rod contour detection device Download PDFInfo
- Publication number
- CN105890500A CN105890500A CN201610412107.6A CN201610412107A CN105890500A CN 105890500 A CN105890500 A CN 105890500A CN 201610412107 A CN201610412107 A CN 201610412107A CN 105890500 A CN105890500 A CN 105890500A
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- CN
- China
- Prior art keywords
- connecting rod
- assembly
- installing hole
- hole
- measurement
- 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.)
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Classifications
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- 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
- G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
Abstract
The invention discloses a connecting rod contour detection device which comprises a base and a first measurement assembly, wherein a first large head hole positioning part, a first small head hole positioning part and two first measurement assembly mounting holes are formed in the top surface of the base; a first circular arc is arranged between two sides of a large head hole of a first connecting rod and the rod body of the first connecting rod; the theoretical radius of the first circular arc is a first radius; the axis of the two first measurement assembly mounting holes is coincided with a theoretical axis of the corresponding first circular arc; the first measurement assembly is rotationally mounted in the first measurement assembly mounting hole and comprises a first sliding rod and a first measurement part; the distance between the axis of the first measurement assembly mounting hole and the end surface of the first measurement part is the first radius. According to the device disclosed by the invention, the working efficiency is high, the detection cost is low, and the whole detection process is convenient and safe.
Description
Technical field
The present invention relates to engine art, particularly to the contour detecting device of a kind of connecting rod.
Background technology
During internal combustion engine manufactures, need the geometrical property project of connecting rod is detected, it is to avoid the profile of connecting rod
(profile 121 etc. as in Fig. 1) entity is loose, causes end edge when assembling and work and under cylinder jacket
Edge interferes.The detection of the overall size project of connecting rod typically uses projector or three coordinate machine testings,
But owing to stroke and the three coordinate machines of projector take and a little there is limitation, measuring speed is relatively slow, work efficiency
Low.
The information being disclosed in this background section is merely intended to increase the reason of the general background to the present invention
Solve, and be not construed as recognizing or imply in any form that this information structure is for this area general technology
Prior art well known to personnel.
Summary of the invention
It is an object of the invention to provide the contour detecting device of a kind of connecting rod, thus overcome existing measurement
The ineffective shortcoming of method.
For achieving the above object, the invention provides the contour detecting device of a kind of connecting rod, contour detecting fills
Put and include: base, the end face of base be provided with the first big end hole location division, the first little head bore location division with
And two first measurement assembly installing holes, the first big end hole location division is arranged in the big end hole of first connecting rod,
First little head bore location division is arranged in the little head bore of first connecting rod；The both sides of the big end hole of first connecting rod with
Being provided with the first circular arc between the shaft of first connecting rod, the principal radii of the first circular arc is the first radius, two
The theoretical axis of the first axis and corresponding first circular arc measuring assembly installing hole overlaps；First measurement group
Part, first measures assembly is rotatably mounted in the first measurement assembly installing hole, and first measures assembly includes the
Stroke bar, first stroke of bar is provided with the first shaft-like measurement portion, and assembly peace is measured from first by the first measurement portion
Dress hole extends to the first circular arc, and first measures between axis and the end face in the first measurement portion of assembly installing hole
Distance be the first radius.
Preferably, in technique scheme, set between big end hole and first circular arc of side of first connecting rod
Having the second circular arc, the principal radii of the second circular arc is the second radius, and the first radius and the second radius are different；
Measuring gage installing hole it is additionally provided with, the axis of measuring gage installing hole and the theoretical axis weight of the second circular arc on base
Close；Contour detecting device also includes measuring gage, and measuring gage is rotatably installed in measuring gage installing hole, measures
Rule are provided with the measurement face of cylinder, measure a diameter of second radius on the face of cylinder.
Preferably, in technique scheme, the end face of base is additionally provided with second largest head bore location division,
Two little head bore location divisions and two second measure assembly installing holes, and second largest head bore location division is arranged on the
In the big end hole of two connecting rods, the second little head bore location division is arranged in the little head bore of second connecting rod；Second even
It is provided with three-arc, the theory of three-arc half between both sides and the shaft of second connecting rod of the big end hole of bar
Footpath is the 3rd radius, two second axis measuring assembly installing hole and the theoretical axle of corresponding three-arc
Line overlaps；Contour outline measuring set also includes the second measurement assembly, and second measures assembly is rotatably mounted on second
Measuring in assembly installing hole, second measures assembly includes second stroke of bar, and second stroke of bar is provided with shaft-like the
Two measurement portions, the second measurement portion measures assembly installing hole from second and extends to three-arc, the second measurement group
Distance between axis and the end face in the second measurement portion of part installing hole is the 3rd radius.
Preferably, in technique scheme, first measures assembly also includes lead, the bottom of lead
Insert in the first measurement assembly installing hole；First stroke of bar is additionally provided with the first base portion, and the first base portion and first is surveyed
Amount portion is vertical, and the side on lead top is fixing with the first base portion to be connected.
Preferably, in technique scheme, first measures assembly also includes handle, and handle is fixed on guiding
On the end face of post.
Preferably, in technique scheme, first measures assembly installing hole, the second measurement assembly installing hole
And it is provided with lining in measuring gage installing hole.
Preferably, in technique scheme, the first little head bore location division and the second little head bore location division are six
Limit shape cylinder.
Compared with prior art, there is advantages that
The contour detecting device of the present invention drives a stroke bar rotation can quickly detect tested by measuring assembly
The blank entity of connecting rod is the loosest, and work efficiency is high, and testing cost is low, and whole detection process is convenient
Safety；Base is provided with big end hole keeper and the little head bore keeper of hexagon bar shape of cylinder,
Realize the quickly location of connecting rod and install.
Accompanying drawing explanation
Fig. 1 is the use state diagram of the contour detecting device of the connecting rod according to the present invention.
Fig. 2 is the axonometric chart of the contour detecting device of the connecting rod according to the present invention.
Fig. 3 is the front view of the contour detecting device of the connecting rod according to the present invention.
Fig. 4 is the top view of the contour detecting device of the connecting rod according to the present invention.
Fig. 5 is the A-A view of Fig. 4.
Fig. 6 is the B-B view of Fig. 4.
Fig. 7 is the C-C view of Fig. 4.
Fig. 8 is the front view of the base assembly according to the present invention.
Fig. 9 is the G-G view of Fig. 8.
Figure 10 is the A-A view of Fig. 8.
Figure 11 is the E-E view of Fig. 8.
Figure 12 is the F-F view of Fig. 8.
Figure 13 is the sectional view of the first big end hole keeper according to the present invention.
Figure 14 is the axonometric chart of the little head bore keeper of first according to the present invention.
Figure 15 is the axonometric chart of the second largest head bore keeper according to the present invention.
Figure 16 is the sectional view of the second largest head bore keeper according to the present invention.
Figure 17 is the axonometric chart of the first measurement assembly according to the present invention.
Figure 18 is the axonometric chart of the measuring gage according to the present invention.
Main Reference Numerals illustrates:
1-base, 2-suspension ring, 3-lining, 4-first measures assembly, 5-first little head bore keeper, 6-
One big end hole keeper, 7-second largest head bore keeper, 8-second little head bore keeper, 9-lining, 10-
Second measures assembly, 11-measuring gage, 12-second connecting rod.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the detailed description of the invention of the present invention is described in detail, it is to be understood that this
The protection domain of invention is not limited by detailed description of the invention.
Explicitly indicate that unless otherwise other, otherwise in entire disclosure and claims, term " bag
Include " or its conversion as " comprising " or " including " etc. will be understood to comprise stated element or
Ingredient, and do not get rid of other element or other ingredient.
As it is shown in figure 1, be used for detecting according to the contour detecting device of the connecting rod of the specific embodiment of the invention
First connecting rod (not shown) and second connecting rod 12.The two ends of second connecting rod 12 are respectively big end hole and microcephaly
Hole, mid portion is shaft, is provided with three-arc 121, three-arc between both sides and the shaft of big end hole
The principal radii of 121 is the 3rd radius.The structure of first connecting rod is similar with the structure of second connecting rod 12, the
The two ends of two connecting rods 12 are respectively big end hole and little head bore, and mid portion is shaft, the both sides of this big end hole
And being provided with the first circular arc between shaft, the principal radii of the first circular arc is the first radius.Difference is,
It is provided with the second circular arc, the principal radii of the second circular arc between big end hole and first circular arc of first connecting rod side
Being the second radius, the first radius and the second radius are different.The contour detecting device of the connecting rod of the present invention is used for
Measure the first circular arc, the second circular arc and three-arc whether conformance with standard.
As illustrated in figs. 2-7, the contour detecting device of the connecting rod of the present invention includes base assembly, the first measurement group
Part 4, second measures assembly 10 and measuring gage 11.
As shown in Figure 8, base assembly includes that base the 1, first big end hole keeper the 6, first little head bore is fixed
Position part 5, second largest head bore keeper 7 and the second little head bore keeper 8.
The end face of base 1 is provided with the first big end hole location hole, the first microcephaly for installing first connecting rod
Hole, location, hole, for measuring two first of the first circular arc measurement assembly installing holes 130,140 and being used for surveying
The measuring gage installing hole 150 of flow control two circular arc, is additionally provided with the second largest head bore location for installing second connecting rod
Hole, the second little head bore hole, location and for measure two second of three-arc measurement assembly installing holes 110,
120.Multiple suspension ring 2 it are arranged with on base 1.
As shown in figure 13, the first big end hole keeper 6 is provided with the first location division 61 of column and column
First installation portion 62, the first installation portion 62 inserts in the first hole, big end hole location, and the first location division 61 is sudden and violent
It is exposed on the end face of base 1, as shown in figure 11.First big end hole keeper 6 and the first big end hole location
Hole forms the first big end hole location division.The external diameter of the first location division 61 is slightly less than the big end hole of first connecting rod
Internal diameter, the big end hole of first connecting rod is arranged on the first location division 61.
As shown in figure 14, the first little head bore keeper 5 is sequentially provided with hexagon-head the 51, first flange portion
52 and second installation portion 53.As shown in figure 11, the second installation portion 53 inserts the first hole, little head bore location
In so that the first flange portion 52 is connected on the end face of base 1, and hexagon-head 51 is exposed to base 1
End face on.First little head bore keeper 5 and hole, the first little head bore location form the first little head bore location division.
As shown in figure 14, the cross section of hexagon-head 51 is hexagonal, the size of its longer direction and first
The dimensional fits of the little head bore of connecting rod so that the little head bore of first connecting rod is arranged on hexagon-head 51.
As shown in figure 12, the structure of the second little head bore keeper 8 and mounting means and the first little head bore location
Part 5 is identical, but size coordinates with the little head bore of second connecting rod so that the little head bore peace of second connecting rod 12
It is contained on the hexagon-head of the second little head bore keeper 8, as shown in Figure 1.Second little head bore keeper 8
The second little head bore location division is formed with the second hole, little head bore location.
As shown in figures 15-16, second largest head bore keeper 7 is sequentially provided with second location division the 71, second method
Orchid portion 72 and the 3rd installation portion 73.As shown in figure 12, the 3rd installation portion 73 inserts second largest head bore calmly
In hole, position so that the second flange portion 72 is connected on the end face of base 1, and the second location division 71 is exposed to
On the end face of base 1.Second largest head bore keeper 7 and hole, second largest head bore location form second largest head bore
Location division.As it is shown in figure 1, the external diameter of the second location division 71 is slightly less than the internal diameter of the big end hole of second connecting rod,
The big end hole of second connecting rod is arranged on the second location division 71.
During as it is shown in figure 1, first connecting rod and second connecting rod are installed on base assembly, first connecting rod and
Two connecting rod parallel interval are arranged.Measure assembly installing hole 110 and 120 for two second and be symmetricly set on second
The both sides of connecting rod 12, two second axis measuring assembly installing hole 110,120 and corresponding 3rd circle
The theoretical axis of arc overlaps.In like manner, two first measurement assembly installing holes 130 and 140 are symmetricly set on
The both sides of first connecting rod, two first axis measuring assembly installing hole 130,140 and corresponding first circle
The theoretical axis of arc overlaps.Measuring gage installing hole 150 is positioned close to the second circular arc side of first connecting rod,
The axis of measuring gage installing hole 150 and the theoretical axis of the second circular arc overlap.Preferably, the first measurement group
Part installing hole, the second measurement assembly installing hole are provided with lining 3, as shown in Figure 10, are the first measurement group
Part 4 and the second measurement assembly 10 accurately guide.Lining 9 is installed in measuring gage installing hole 150,
As it is shown in figure 9, accurately guide for measuring gage 11.
The structure that assembly 10 measured by first measurement assembly 4 with second is identical, as shown in Figures 6 and 7.With
As a example by one measures assembly 4, as shown in figure 17, the first measurement assembly 4 includes handle 41, lead 42
And first stroke of bar 43.The bottom of lead 42 is cylindric, and it rotates and is arranged on the first measurement assembly peace
In dress hole 130 or 140, as shown in Figure 7.The top of lead 42 is cubic.Handle 41 is
Ring-type square, its downside is fixing with the end face of lead 42 to be connected.First stroke of bar 43 is in " T "
Shape, it includes orthogonal first base portion and the first measurement portion, the first base portion and lead 42 top
Side is fixing to be connected, and the first measurement portion self-steering post 42 extends to the first circular arc of first connecting rod, and first surveys
Distance between axis and the end face in the first measurement portion of amount assembly installing hole 130 or 140 is the first radius,
As shown in Figure 4.In like manner, the second axis and second measuring assembly installing hole 110 or 120 measures assembly
The second measurement portion end face between distance be the 3rd radius, as shown in Figure 4.
As shown in figure 18, measuring gage 11 includes the 4th installation portion 112 and measures the face of cylinder 111, measures circle
A diameter of second radius of cylinder 111.4th installation portion 112 rotates and is arranged on measuring gage installing hole 150
In, measure the face of cylinder 111 and be exposed on the end face of base 1, as shown in Figure 5.Measuring gage installing hole 150
Axis overlap with the theoretical axis of the second circular arc of first connecting rod.
When the contour detecting device utilizing the present invention detects, as a example by first connecting rod, including walking as follows
Rapid:
1) first by the first big end hole keeper of contour detecting device, the location division of the first little head bore keeper
And first measure assembly installing hole by clean cotton wiped clean.
2) big end hole of first connecting rod and little head bore are separately mounted to the first big end hole keeper, first little
On head bore keeper.
3) the first measurement assembly is inserted in one of in the first measurement assembly installing hole, utilizes handle to incite somebody to action
First measures assembly rotates one week.If first stroke of bar does not occur dry in rotation process with the first circular arc
Relate to, then judge that the first circular arc of this side is the loosest.If it is necessary, can be in the first survey of first stroke of bar
Place clearance gauge between amount portion and the first circular arc and judge that the first circular arc of this side is less than normal.Otherwise,
First circular arc of this side is loose.
4) the first measurement assembly is placed in another the first measurement assembly installing hole, utilizes identical side
First circular arc of opposite side is detected by method.
5) take off the first measurement assembly, measuring gage is arranged in measuring gage installing hole, measuring gage is rotated
One week, if measuring gage does not interferes with the second circular arc in rotation process, then judge first connecting rod
The second circular arc the loosest.Otherwise, the second circular arc is loose.
4) after measuring and terminating, with each working surface of clean cotton wiped clean contour detecting device,
Oil preservation.
The contour detecting device of the present invention drives a stroke bar rotation can quickly detect tested by measuring assembly
The blank entity of connecting rod is the loosest, and work efficiency is high, and testing cost is low, and whole detection process is convenient
Safety；Base is provided with big end hole keeper and the little head bore keeper of hexagon bar shape of cylinder,
Realize the quickly location of connecting rod and install.
The aforementioned description to the specific illustrative embodiment of the present invention illustrates that and the purpose of illustration.
These descriptions are not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned
Teaching, can much change and change.The purpose selected exemplary embodiment and describe exists
In explaining the certain principles of the present invention and actual application thereof, so that those skilled in the art can be real
Now and utilize the various different exemplary of the present invention and various different selection and change.
The scope of the present invention is intended to be limited by claims and equivalents thereof.
Claims (7)
1. the contour detecting device of a connecting rod, it is characterised in that described contour detecting device includes:
Base, the end face of described base be provided with the first big end hole location division, the first little head bore location division with
And two first measurement assembly installing holes, described first big end hole location division is arranged on the major part of first connecting rod
In hole, described first little head bore location division is arranged in the little head bore of described first connecting rod；Described first even
The first circular arc, the reason of described first circular arc it is provided with between both sides and the shaft of first connecting rod of the big end hole of bar
Opinion radius is the first radius, and said two first measures the axis and corresponding described first of assembly installing hole
The theoretical axis of circular arc overlaps；And
First measures assembly, and described first measures assembly is rotatably mounted on described first measurement assembly installing hole
In, described first measures assembly includes that first stroke of bar, described first stroke of bar are provided with the first shaft-like measurement
Portion, described first measurement portion measures assembly installing hole from described first and extends to described first circular arc, described
Distance between first axis and the end face in described first measurement portion measuring assembly installing hole is described first
Radius.
The contour detecting device of connecting rod the most according to claim 1, it is characterised in that described first
It is provided with the second circular arc, the reason of described second circular arc between big end hole and described first circular arc of side of connecting rod
Opinion radius is the second radius, and described first radius is different from described second radius；It is additionally provided with on described base
Measuring gage installing hole, the axis of described measuring gage installing hole overlaps with the theoretical axis of described second circular arc；
Described contour detecting device also includes that measuring gage, described measuring gage are rotatably installed in described measuring gage installing hole
In, described measuring gage is provided with the measurement face of cylinder, a diameter of second radius on the described measurement face of cylinder.
The contour detecting device of connecting rod the most according to claim 1 and 2, it is characterised in that described
Second largest head bore location division, the second little head bore location division and two second surveys it are additionally provided with on the end face of base
Amount assembly installing hole, described second largest head bore location division is arranged in the big end hole of second connecting rod, and described the
Two little head bore location divisions are arranged in the little head bore of described second connecting rod；The big end hole of described second connecting rod
Being provided with three-arc between both sides and the shaft of second connecting rod, the principal radii of described three-arc is the 3rd
Radius, said two second measures the axis of assembly installing hole and the theoretical axle of corresponding described three-arc
Line overlaps；
Described contour outline measuring set also includes the second measurement assembly, and described second measures assembly is rotatably mounted on
Described second measures in assembly installing hole, and described second measures assembly includes second stroke of bar, described second stroke
Bar is provided with the second shaft-like measurement portion, described second measurement portion from described second measure assembly installing hole to
Described three-arc extends, and described second measures the axis of assembly installing hole and the end in described second measurement portion
Distance between face is described 3rd radius.
The contour detecting device of connecting rod the most according to claim 1 and 2, it is characterised in that described
First measures assembly also includes lead, and the bottom of described lead is inserted described first and measured assembly installation
In hole；Described first stroke of bar is additionally provided with the first base portion, and described first base portion is vertical with described first measurement portion,
The side on described lead top is fixing with described first base portion to be connected.
The contour detecting device of connecting rod the most according to claim 4, it is characterised in that described first
Measure assembly and also include that handle, described handle are fixed on the end face of described lead.
The contour detecting device of connecting rod the most according to claim 3, it is characterised in that described first
It is provided with lining in measuring assembly installing hole, described second measurement assembly installing hole and described measuring gage installing hole
Set.
The contour detecting device of connecting rod the most according to claim 3, it is characterised in that described first
Little head bore location division and described second little head bore location division are hexagon cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610412107.6A CN105890500B (en) | 2016-06-14 | 2016-06-14 | The contour detecting device of connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610412107.6A CN105890500B (en) | 2016-06-14 | 2016-06-14 | The contour detecting device of connecting rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105890500A true CN105890500A (en) | 2016-08-24 |
| CN105890500B CN105890500B (en) | 2018-05-25 |
Family
ID=56730597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610412107.6A Active CN105890500B (en) | 2016-06-14 | 2016-06-14 | The contour detecting device of connecting rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105890500B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440674A (en) * | 2019-08-29 | 2019-11-12 | 中国航发航空科技股份有限公司 | A kind of detection device of the surface profile of stator blade surface channel |
-
2016
- 2016-06-14 CN CN201610412107.6A patent/CN105890500B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440674A (en) * | 2019-08-29 | 2019-11-12 | 中国航发航空科技股份有限公司 | A kind of detection device of the surface profile of stator blade surface channel |
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| Publication number | Publication date |
|---|---|
| CN105890500B (en) | 2018-05-25 |
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