CN107478167A - A kind of inner diameter of cylinder sleeve measurement apparatus and measuring method - Google Patents
A kind of inner diameter of cylinder sleeve measurement apparatus and measuring method Download PDFInfo
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- CN107478167A CN107478167A CN201710660102.XA CN201710660102A CN107478167A CN 107478167 A CN107478167 A CN 107478167A CN 201710660102 A CN201710660102 A CN 201710660102A CN 107478167 A CN107478167 A CN 107478167A
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- inner diameter
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/08—Measuring arrangements characterised by the use of optical techniques for measuring diameters
- G01B11/12—Measuring arrangements characterised by the use of optical techniques for measuring diameters internal diameters
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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
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- General Physics & Mathematics (AREA)
- Machine Tool Sensing Apparatuses (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a kind of inner diameter of cylinder sleeve measurement apparatus, including three-pawl type base, that is first base, second base and the 3rd base, line slideway is installed on each base, the sliding block slided along line slideway is installed on line slideway, sensor installing plate is installed on sliding block, the outer end of sensor installing plate is provided with laser range sensor, at least two V-grooves are provided with the side of sensor installing plate, bulb plunger fixed block is installed positioned at V-groove side on base, bulb plunger is installed on bulb plunger fixed block；The center of three-pawl type base is provided with round boss, and three-pawl type base is located in inner diameter of cylinder sleeve measurement apparatus demarcation base.The present invention realizes that the position of laser range sensor can adjust conversion, effectively expands the measurement range of measurement apparatus so that the present invention is when selecting the small-range sensor of higher precision it is also ensured that the inner diameter of cylinder sleeve measurement range possessed.
Description
Technical field
The present invention relates to inner diameter of cylinder sleeve measurement apparatus and measuring method, belongs to cylinder fields of measurement.
Background technology
One of cylinder jacket part the most severe as working environment on diesel engine, its everywhere internal diameter precision height it is direct
Affect the key technical index such as service life, the fuel economy of diesel engine.The detection method of inner diameter of cylinder sleeve has trip at present
Mark slide calliper rule detection, inside diameter caliper detection, the detection of bikini micrometer, air-gauge detection etc..In slide measure detection cylinder jacket
Footpath is simple to operate, but can only detect the internal diameter near cylinder jacket end；When inside diameter caliper detects inner diameter of cylinder sleeve
Adjust relatively complicated, and measuring force is larger, and cylinder liner internal wall has higher requirement to its surface, if misoperation easily
Scratch cylinder liner internal wall surface；Bikini micrometer is typically only used for detecting the cylinder jacket that internal diameter is less than 100mm, air-gauge
The defects of small and measurement expense is higher, higher to environmental requirement there is measurement range.
Open peace invention《There is the cylinder diameter measurement apparatus of height dimension》, Chinese patent Authorization Notice No. is CN
205333042 U, although the device can measure the linearity (inner wall abrasion degree) of a certain vertical direction, the device exists
The change in size in inwall in a vertical straight line can only be measured in one-shot measurement, for inwall chi between cylinder jacket different height
Very little detection can only could then be obtained by repeatedly measuring, and not only consume the substantial amounts of time also so that repeating carrying for accuracy of detection
Rise and be restricted, and this measurement apparatus, when measuring deeper inner diameter of cylinder sleeve, its measurement accuracy also suffers from mechanism and led
To the linearity and deformation effect of device.Suzhou Qinbao Precise Machinery Co., Ltd.'s invention《A kind of inner diameter measuring device》, in
State's license notification number is the U of CN 204963740, the method by optimizing scale measurement structure, is simplified in scale detection
The process in footpath, detection efficiency is drastically increased, but the measurement device depth is shorter, can not the larger part of effective detection depth
The internal diameter of depths.
The content of the invention
Goal of the invention：In order to overcome the deficiencies in the prior art, the present invention provides a kind of inner diameter of cylinder sleeve measurement dress
Put and measuring method, conversion can be adjusted by realizing the position of laser range sensor, effectively expand the measurement of measurement apparatus
Scope so that the present invention is when selecting the small-range sensor of higher precision it is also ensured that the inner diameter of cylinder sleeve possessed measures model
Enclose.
Technical scheme：In order to solve the above technical problems, a kind of inner diameter of cylinder sleeve measurement apparatus of the present invention, including three-pawl type
Base, i.e. first base, second base and the 3rd base, are provided with line slideway on each base, pacify on line slideway
Equipped with the sliding block slided along line slideway, sensor installing plate is installed on sliding block, the outer end of sensor installing plate is provided with
Laser range sensor, at least two V-grooves are provided with the side of sensor installing plate, pacified on base positioned at V-groove side
Equipped with bulb plunger fixed block, bulb plunger is installed on bulb plunger fixed block；The center of three-pawl type base is provided with circle
Boss, three-pawl type base are located in inner diameter of cylinder sleeve measurement apparatus demarcation base, in inner diameter of cylinder sleeve measurement apparatus demarcation base
Provided with the circular groove being adapted to round boss.
Preferably, the other end of the sensor installing plate is provided with handle of transferring the files.
Preferably, protective cover is installed on the three-pawl type base.
Preferably, the bulb plunger is by being threadably mounted on bulb plunger fixed block.
Preferably, the V-groove there are three, it is distributed at equal intervals on sensor installing plate.
Preferably, the base is provided with spacing hole, spacer pin is installed in spacing hole.
A kind of measuring method of above-mentioned inner diameter of cylinder sleeve measurement apparatus, comprises the following steps：
A, V-groove location position
1) 3 sensor installing plates have been used altogether in the present apparatus, 3 V is machined with each sensor installing plate
Type groove, according to totally 9 V-groove position distributions on 3 sensor installing plates, it will be grouped in 9 V-grooves, wherein：Inner side
3 V-grooves are defined as inner side V-groove, and 3 V-grooves in centre position are defined as middle part V-groove, 3 V-grooves of outer fix
It is defined as outside V-groove；
2) inner side V-groove position is demarcated first, mobile sliding block, by the inner side V-groove adjustment of sensor installing plate
To the position of bulb plunger and clamping, selection is corresponding to demarcate base with the inner diameter of cylinder sleeve measurement apparatus of inner side V-groove position, will
The circular protrusions of three-pawl type the middle of the base are fitted into the circular groove in inner diameter of cylinder sleeve measurement apparatus demarcation base；Complete installation
Device is integrally put into three-coordinates measuring machine afterwards and measured, if the center of circle of three-pawl type the middle of the base circular protrusions is O1, gas
The center of circle of circular groove overlaps with the three-pawl type base center of circle in cylinder sleeve inner diameter measuring device demarcation base, 3 laser ranging sensings
The laser that device is launched is radiated on the inwall of inner diameter of cylinder sleeve measurement apparatus demarcation base and produces 3 luminous points, if 3 luminous points point
Wei not P11, P12, P13, 3 laser range sensor positions are Q11, Q12, Q13, surveyed respectively after three-coordinates measuring machine measures
Measure P11, P12, P13This 3 point coordinates are respectively P11(a11, b11), P12(a12, b12), P13(a13, b13), 3 not in plane
Point point-blank can determine a circle, according to P11, P12, P13This 3 point coordinates can be calculated in three-pawl type base
The center of circle O of portion's circular protrusions1Coordinate, result of calculation O1(a1, b1), O is connected respectively1With P11、O1With P12、O1With P13Totally 3 it is straight
Line, respectively L11, L12, L13, wherein Q11In straight line L11On, Q12In straight line L12On, Q13In straight line L13On, according to above-mentioned coordinate
Value can calculate O respectively1P11、O1P12、O1P13Length is (as shown in figure 8, three point P11, P12, P13On same circle, then
O1P11、O1P12、O1P13Length should be equal, is all radius), it is shown below：
The numerical value of three laser range sensors is read respectively, is designated as c11, c12, c13, c herein11, c12, c133 numerical value
Correspond respectively to Q11P11、Q12P12、Q13P13Length, and then target designation value S can be calculated11：O1Q11、S12：O1Q12、
S13：O1Q13, it is shown below：
S11=O1Q11=O1P11-Q11P11
S12=O1Q12=O1P12-Q12P12
S13=O1Q13=O1P13-Q13P13
And then inner side V-groove position S can be obtained11、S12、S13；
Middle part V-groove relevant position S can similarly be obtained21、S22、S23；
Outside V-groove position S31、S32、S33；
B, inner diameter of cylinder sleeve measures
According to target measurement inner diameter of cylinder sleeve theoretical size so that target cylinder covers internal diameter theoretical size in this V-groove shelves
In the measurement range of position, then target measurement cylinder jacket is put into Digit Control Machine Tool, is used as connector by magnetic bases, by magnetic
The absorption end of base is adsorbed onto in the circular protrusions of three-pawl type base bottom, and the fixing end of magnetic bases is installed into toolframe
On, three-pawl type position base is controlled to adjust by machine tool program, the center of three-pawl type base is reached in cylinder jacket theoretical axis,
Then control single unit system, which drops to inside cylinder jacket, needs the height for measuring internal diameter, carries out measurement inner diameter of cylinder sleeve in real time
Size, three laser range sensor detected value reading c can be read respectively1, c2, c3；
C, inner diameter of cylinder sleeve calculates
Using the center of circle O of inner diameter of cylinder sleeve measurement apparatus as origin, OP1Line crosses origin perpendicular to OP as X-axis1Line
Straight line to the right is defined as Y-axis, according to selected gear calibration value S1、S2、S3Three luminous point P can be calculated1、P2、P3To origin
Length OP1、OP2、OP3, due to OP1、OP2、OP3Three straight lines are uniformly distributed in 120 ° and pass through origin, and then can count
Calculate the coordinate value P of three luminous points1(a1, b1), P2(a2, b2), P1(a3, b3), wherein：
a1=OP1, b1=0
Three points in known rounded edge, can calculate round radius, and then can calculate inner diameter of cylinder sleeve herein
Size.
Beneficial effect：Compared with prior art, the present invention has advantages below：
(1) present invention uses adjustable structure, and conversion can be adjusted by realizing the position of laser range sensor, effective to expand
The big measurement range of measurement apparatus so that the present invention is when selecting the small-range sensor of higher precision it is also ensured that possessing
Inner diameter of cylinder sleeve measurement range, compared with measurement range identical measurement apparatus, that is, reduce cost improve again measurement essence
Degree.
(2) present invention uses bulb plunger structure transferring the files in structure, and the bulb of bulb plunger is under the force of a spring
All the time can be tangent spacing with V-groove, the abrasion in reusing can be not only reduced, improves its stability, and improve
The positioning precision of laser range sensor, its measurement accuracy to inner diameter of cylinder sleeve is set further to be lifted；Simultaneously by the present apparatus with
Digit Control Machine Tool is engaged, the internal diameter size of cylinder jacket when can easily measure different height.
Brief description of the drawings
Fig. 1 is the structural representation of apparatus of the present invention.
Fig. 2 removes cover structure schematic diagram for apparatus of the present invention.
Fig. 3 is the gear shifting mechanism schematic diagram in apparatus of the present invention.
Fig. 4 is the gear shifting mechanism front view in apparatus of the present invention.
Fig. 5 is the A-A sectional views of the gear shifting mechanism front view in apparatus of the present invention.
Fig. 6 is the partial view A of the A-A sectional views of the gear shifting mechanism front view in apparatus of the present invention.
Fig. 7 is that inner diameter of cylinder sleeve measurement apparatus demarcates base in apparatus of the present invention.
Fig. 8 is inner side V-groove position calibration method schematic diagram in apparatus of the present invention measuring method.
Fig. 9 is that apparatus of the present invention measure cylinder jacket schematic diagram.
Wherein：1- three-pawl type bases, 2- gear shifting mechanisms, 21- line slide rails, 22- sliding blocks, 23- bulb plunger fixed blocks,
24- bulb plungers, 25- sensor installing plates, 26- spacer pins, 27- transfer the files handle, 3- laser range sensors, 4- protective covers,
5- inner diameter of cylinder sleeve measurement apparatus demarcates base.
Embodiment
As shown in Figures 1 to 9, a kind of adjustable cylinder of the invention set inner diameter measuring device, comprising three-pawl type base 1, swash
Ligh-ranging sensor 3, gear shifting mechanism 2, protective cover 4 and cylinder jacket inner diameter measuring device demarcation base 5.The three-pawl type base 1
In three-jaw pattern, there are circular protrusions centre, in three directions of its circumference equal dividing, each extends over away the square of three identical sizes
Shape platform, i.e. base, a strip connected in star are machined with each rectangular platform centre, in location and installation gear shifting mechanism 2
Line slide rail 21, be threaded hole in strip connected in star, hole position and a pair of line slide rail mounting hole 1 in gear shifting mechanism
Using, while extend a segment distance on the right side of each rectangular platform and be machined with a rectangular recess, in size and gear shifting mechanism 2
Bulb plunger fixed block 23 is identical and is provided with screwed hole, hole position and the position of mounting hole phase of bulb plunger fixed block 23 in bottom portion of groove
It is corresponding, spacing hole is also machined with rectangular platform, to install the spacer pin 26 in gear shifting mechanism 2, limits sliding block moving range,
Each rectangular platform two sides are threaded hole, to connect protective cover 5.Processed in each rectangular platform of three-pawl type base
Two grooves and screwed hole, circumferentially should mutually in 120 ° distribution.The laser range sensor 3 is a selected sensor,
For entering row distance detection.
Such as Fig. 3, the gear shifting mechanism 2 includes line slide rail 21, sliding block 22, bulb plunger fixed block 23, bulb plunger 24,
Sensor installing plate 25, spacer pin 26 and handle 27 of transferring the files.Line slide rail 21 is placed in the rectangle that above-mentioned three-pawl type base 1 extends
In strip connected in star among platform, it is connected by screw, sliding block 22 and the cooperating of line slide rail 21, sensor installing plate 25
Be connected by screw with sliding block 22, follow sliding block 22 along the transverse shifting of line slide rail 21, laser range sensor 3 by screw with
The side plate connection of sensor installing plate 25, one end threading of handle 27 of transferring the files are matched somebody with somebody with the screwed hole on sensor installing plate 25
Connection is closed, spacer pin 26 is connected on above-mentioned three-pawl type base 1, and to limit the moving range of sliding block 22, bulb plunger is fixed
Block 23 is connected by screw with above-mentioned three-pawl type base 1, and bulb plunger fixed block 23 is used with bulb plunger 24 and is threadedly coupled, ball
Headpin plug 24 and the V-groove of the side of sensor installing plate 25 coordinate, to realize that the gear that sliding block 22 moves linearly is adjusted with determining
Position.
In the present invention, the side of sensor installing plate 25 is equidistantly provided with 3 V-grooves, the V-groove and the ball head column
Plug 24 coordinates spacing.One piece of rectangular slab, size and laser ranging are extended upward in the side of the end of sensor installing plate 25
The size of sensor 3 is identical, and the position corresponding to the mounting hole of laser range sensor 3 on this rectangular slab is machined with through hole,
The other end of sensor installing plate 25 corresponds to the position of sliding block 22 and processes four mounting holes, for the installation with sliding block 22, four peaces
Screwed hole of transferring the files is opened in dress hole centre position, for being connected with handle 27 of transferring the files.The bulb plunger 24 should pacify with the sensor
Loading board 25 opens V-groove in same level.
In the present invention, the protective cover 4 is formed by plate sheet welding, the size shape of protective cover 4 and above-mentioned three-pawl type bottom
Seat is 1 similar, is shaped as three-pawl type, the downside of protective cover 4 to processing through hole for the above-mentioned flank threads hole site of three-pawl type base 1,
Rectangular platform two sides institute thread mill drilling each with above-mentioned three-pawl type base 1 coordinates, and is connected by screw both, each pawl of protective cover
4 tops are machined with waist-shaped hole, and handle 27 of being easy to transfer the files stretches out, and waist-shaped hole length matches with the displacement range of handle 27 of transferring the files.
In the present invention, the tubular member that the inner diameter of cylinder sleeve measurement apparatus demarcation base 5 is closed for one end, its bottom
Center is machined with circular groove, and circular groove is concentric circles with the inner diameter of cylinder sleeve measurement apparatus demarcation internal diameter of base 5, circular
Circular protrusions size among groove size and three-pawl type base 1 is identical.
Apparatus of the present invention are described further exemplified by measuring diameter 200-360mm cylinder jacket.
1st, V-groove location position
1) apparatus of the present invention are adjustable latch device, according to diameter change scope, select laser range sensor 3, the laser
The measurement range of distance measuring sensor 3 is 15mm-45mm, range 30mm, and then is third gear total range 200-360mm points：200-
255mm, 252-307mm, 305-360mm, 3 sensor installing plates 25, each sensor peace are used in of the invention altogether
3 V-grooves are machined with loading board 25, according to totally 9 V-groove position distributions on 3 sensor installing plates 25, by 9 V-types
It is grouped in groove, wherein：The V-groove of inner side 3 is defined as inner side V-groove, and 3 V-grooves in centre position are defined as middle part V-type
Groove, 3 V-grooves of outer fix are defined as outside V-groove.Wherein outside V-groove gear correspond to range be 305-360mm, in
Portion's V-groove gear corresponds to that range is 252-307mm, to correspond to range be 200-255mm to inner side V-groove gear, similarly in cylinder jacket
Calipers demarcation base 5 then has three kinds, and its inner diameter is respectively 225mm, 285mm, 335mm, wherein outside V-groove shelves
The inner diameter of cylinder sleeve measurement apparatus that position correspondingly-sized is 335mm demarcates base 5, and inner side V-groove gear correspondingly-sized is 285mm's
Inner diameter of cylinder sleeve measurement apparatus demarcates base 5, and inner side V-groove gear correspondingly-sized is 225mm inner diameter of cylinder sleeve measurement apparatus
Demarcate base 5；
2) inner side V-groove position is demarcated first, by transferring the files, handle 27 adjusts measurement apparatus to inner side V-groove
Position and clamping, selection is corresponding to demarcate base 5 with the inner diameter of cylinder sleeve measurement apparatus of inner side V-groove position, by three-pawl type base 1
The circular protrusions at middle part are fitted into the circular groove in inner diameter of cylinder sleeve measurement apparatus demarcation base 5.Complete device after installing
Entirety, which is put into three-coordinates measuring machine, to be measured, if the center of circle of the central circular of three-pawl type base 1 projection is O1, inner diameter of cylinder sleeve
The center of circle of circular groove overlaps with the center of circle of three-pawl type base 1 in measurement apparatus demarcation base 5, and 3 laser range sensors 3 are launched
The laser gone out is radiated on the inwall of inner diameter of cylinder sleeve measurement apparatus demarcation base 5 and produces 3 luminous points, if 3 luminous points are respectively
P11, P12, P13, 3 positions of laser range sensor 3 are Q11, Q12, Q13, measured respectively after three-coordinates measuring machine measures
Obtain P11, P12, P13This 3 point coordinates are respectively P11(a11, b11), P12(a12, b12), P13(a13, b13), 3 do not exist in plane
Point on straight line can determine a circle, according to P11, P12, P13This 3 point coordinates can be calculated in three-pawl type base 1
The center of circle O of portion's circular protrusions1Coordinate, result of calculation O1(a1, b1).O is connected respectively1With P11、O1With P12、O1With P13Totally 3 it is straight
Line, respectively L11, L12, L13, wherein Q11In straight line L11On, Q12In straight line L12On, Q13In straight line L13On.According to above-mentioned coordinate
Value can calculate O respectively1P11、O1P12、O1P13Length, it is shown below：
The numerical value of three laser range sensors 3 is read respectively, is designated as c11, c12, c13, c herein11, c12, c133 numbers
Value corresponds respectively to Q11P11、Q12P12、Q13P13Length, and then target designation value S can be calculated11：O1Q11、S12：
O1Q12、S13：O1Q13, it is shown below：
S11=O1Q11=O1P11-Q11P11
S12=O1Q12=O1P12-Q12P12
S13=O1Q13=O1P13-Q13P13
And then inner side V-groove position S can be obtained11、S12、S13。
3) middle part V-groove demarcation
By transferring the files, handle 27 corresponds to measurement apparatus regulation to middle part V-groove position and clamping, selection and middle part V-groove
The circular protrusions at the middle part of three-pawl type base 1 are loaded inner diameter of cylinder sleeve and surveyed by the inner diameter of cylinder sleeve measurement apparatus demarcation base 5 of position
Measure in the circular groove in device normalization base 5.Complete integrally to be put into device in three-coordinates measuring machine after installing and measure,
If the raised center of circle of the central circular of three-pawl type base 1 is O2, inner diameter of cylinder sleeve measurement apparatus demarcation base 5 in circular groove circle
The heart overlaps with the three-pawl type base center of circle, and the laser that 3 laser range sensors 3 are launched is radiated at inner diameter of cylinder sleeve measurement apparatus
Demarcate and 3 luminous points are produced on the inwall of base 5, if 3 luminous points are respectively P21, P22, P23, 3 places of laser range sensors 3
Position is Q21, Q22, Q23, measurement obtains P respectively after three-coordinates measuring machine measures21, P22, P23This 3 point coordinates are respectively P21
(a21, b21), P22(a22, b22), P23(a23, b23), 3 points not point-blank can determine a circle in plane, according to
P21, P22, P23This 3 point coordinates can calculate the raised center of circle O of the central circular of three-pawl type base 12Coordinate, result of calculation O2
(a2, b2).O is connected respectively2With P21、O2With P22、O2With P23Totally 3 straight lines, respectively L21, L22, L23, wherein Q21In straight line L21
On, Q22In straight line L22On, Q23In straight line L23On.O can be calculated according to above-mentioned coordinate value respectively2P21、O2P22、O2P23Length,
It is shown below：
The numerical value of three laser range sensors 3 is read respectively, is designated as c21, c22, c23, c herein21, c22, c233 numbers
Value corresponds respectively to Q21P21、Q22P22、Q23P23Length, and then target designation value S can be calculated21：O2Q21、S22：
O2Q22、S23：O2Q23, it is shown below：
S21=O2Q21=O2P21-Q21P21
S22=O2Q22=O2P22-Q22P22
S23=O2Q23=O2P23-Q23P23
And then middle part V-groove position S can be obtained21、S22、S23。
4) outside V-groove demarcation
By transferring the files, handle 27 corresponds to measurement apparatus regulation to outside V-groove position and clamping, selection and outside V-groove
The circular protrusions at the middle part of three-pawl type base 1 are loaded inner diameter of cylinder sleeve and surveyed by the inner diameter of cylinder sleeve measurement apparatus demarcation base 5 of position
Measure in the circular groove in device normalization base 5.Complete integrally to be put into device in three-coordinates measuring machine after installing and measure,
If the center of circle of three-pawl type the middle of the base circular protrusions is O3, inner diameter of cylinder sleeve measurement apparatus demarcation base 5 in circular groove circle
The heart overlaps with the center of circle of three-pawl type base 1, and the laser that 3 laser range sensors 3 are launched is radiated at inner diameter of cylinder sleeve measurement dress
Put and 3 luminous points are produced on the inwall of demarcation base, if 3 luminous points are respectively P31, P32, P33, 3 places of laser range sensors 3
Position is Q31, Q32, Q33, measurement obtains P respectively after three-coordinates measuring machine measures31, P32, P33This 3 point coordinates are respectively P31
(a31, b31), P32(a32, b32), P33(a33, b33), 3 points not point-blank can determine a circle in plane, according to
P31, P32, P33This 3 point coordinates can calculate the raised center of circle O of the central circular of three-pawl type base 13Coordinate, result of calculation O3
(a2, b2).O is connected respectively3With P31、O3With P32、O3With P33Totally 3 straight lines, respectively L31, L32, L33, wherein Q31In straight line L31
On, Q32In straight line L32On, Q33In straight line L33On.O can be calculated according to above-mentioned coordinate value respectively3P31、O3P32、O3P33Length,
It is shown below：
The numerical value of three laser range sensors 3 is read respectively, is designated as c31, c32, c33, c herein31, c32, c333 numbers
Value corresponds respectively to Q31P31、Q32P32、Q33P33Length, and then target designation value S can be calculated31：O3Q31、S32：
O3Q32、S33：O3Q33, it is shown below：
S31=O3Q31=O3P31-Q31P31
S32=O3Q32=O3P32-Q32P32
S33=O3Q33=O3P33-Q33P33
And then middle part V-groove position S can be obtained31、S32、S33。
2nd, inner diameter of cylinder sleeve measures
When measuring diameter range 200-255mm cylinder jacket, handle 27 of transferring the files is to inner side V-groove position, then
Target measurement cylinder jacket is put into Digit Control Machine Tool, is used as connector by magnetic bases, the absorption end of magnetic bases is adsorbed
Onto the circular protrusions of the bottom of three-pawl type base 1, the fixing end of magnetic bases is installed on toolframe, the purpose of magnetic bases
It is exactly that measurement apparatus is arranged on lathe, present apparatus position is controlled to adjust by machine tool program, makes the center of three-pawl type base
Reach in cylinder jacket theoretical axis, then controlling single unit system to drop to inside cylinder jacket needs the height for measuring internal diameter,
Measurement inner diameter of cylinder sleeve size in real time is carried out, three detected value reading c of laser range sensor 3 can be read respectively1, c2, c3,
3rd, inner diameter of cylinder sleeve calculates
Using the center of circle O of inner diameter of cylinder sleeve measurement apparatus as origin, OP1Line crosses origin perpendicular to OP as X-axis1Line
Straight line to the right is defined as Y-axis, according to selected gear calibration value S1、S2、S3Three luminous point P can be calculated1、P2、P3To origin
Length OP1、OP2、OP3, due to OP1、OP2、OP3Three straight lines are uniformly distributed in 120 ° and pass through origin, and then can count
Calculate the coordinate value P of three luminous points1(a1, b1), P2(a2, b2), P1(a3, b3), wherein：
a1=OP1, b1=0
Three points in known rounded edge, can calculate round radius, and then can calculate inner diameter of cylinder sleeve herein
Size, with the movement of overall measurement apparatus, the diameter of different depth can be measured, keep toolframe highly to make toolframe around gas
Cylinder theoretical axis rotates, and can measure the bounce of inner diameter of cylinder sleeve in this height.
Measurement diameter range 250-310mm and 310-360mm cylinder jacket process are same as above.
Described above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (7)
- A kind of 1. inner diameter of cylinder sleeve measurement apparatus, it is characterised in that：Including three-pawl type base, i.e., first base, second base and 3rd base, line slideway is provided with each base, and the sliding block slided along line slideway is provided with line slideway, Sensor installing plate is installed, the outer end of sensor installing plate is provided with laser range sensor, is installed in sensor on sliding block The side of plate is provided with least two V-grooves, bulb plunger fixed block is provided with positioned at V-groove side on base, in ball head column Bulb plunger is installed on plug fixed block, the center of three-pawl type base is provided with round boss.
- 2. inner diameter of cylinder sleeve measurement apparatus according to claim 1, it is characterised in that：The sensor installing plate it is another End is provided with handle of transferring the files.
- 3. inner diameter of cylinder sleeve measurement apparatus according to claim 1, it is characterised in that：It is provided with the three-pawl type base Protective cover.
- 4. inner diameter of cylinder sleeve measurement apparatus according to claim 1, it is characterised in that：The bulb plunger is pacified by screw thread On bulb plunger fixed block.
- 5. inner diameter of cylinder sleeve measurement apparatus according to claim 1, it is characterised in that：The V-groove has three, equidistantly Be distributed on sensor installing plate.
- 6. inner diameter of cylinder sleeve measurement apparatus according to claim 1, it is characterised in that：The base is provided with spacing hole, Spacer pin is installed in spacing hole.
- 7. a kind of measuring method of inner diameter of cylinder sleeve measurement apparatus as claimed in claim 5, it is characterised in that including following step Suddenly：A, V-groove location position1) 3 sensor installing plates have been used altogether in the present apparatus, 3 V-grooves are machined with each sensor installing plate, According to totally 9 V-groove position distributions on 3 sensor installing plates, will be grouped in 9 V-grooves, wherein：The V of inner side 3 Type groove is defined as inner side V-groove, and 3 V-grooves in centre position are defined as middle part V-groove, 3 V-grooves definition of outer fix For outside V-groove；2) inner side V-groove position is demarcated first, mobile sliding block, the inner side V-groove of sensor installing plate is adjusted to ball The position of headpin plug and clamping, selection and the inner diameter of cylinder sleeve measurement apparatus demarcation base of inner side V-groove position correspondence, by three-jaw The circular protrusions of formula the middle of the base are fitted into the circular groove in inner diameter of cylinder sleeve measurement apparatus demarcation base；Completing will after installing Device is integrally put into three-coordinates measuring machine and measured, if the center of circle of three-pawl type the middle of the base circular protrusions is O1, cylinder jacket The center of circle of circular groove overlaps with the three-pawl type base center of circle in inner diameter measuring device demarcation base, 3 laser range sensor hairs The laser of injection is radiated on the inwall of inner diameter of cylinder sleeve measurement apparatus demarcation base and produces 3 luminous points, if 3 luminous points are respectively P11, P12, P13, 3 laser range sensor positions are Q11, Q12, Q13, measured respectively after three-coordinates measuring machine measures To P11, P12, P13This 3 point coordinates are respectively P11(a11, b11), P12(a12, b12), P13(a13, b13), in plane 3 not one Point on bar straight line can determine a circle, according to P11, P12, P13This 3 point coordinates can calculate three-pawl type the middle of the base circle The raised center of circle O of shape1Coordinate, result of calculation O1(a1, b1), O is connected respectively1With P11、O1With P12、O1With P13Totally 3 straight lines, Respectively L11, L12, L13, wherein Q11In straight line L11On, Q12In straight line L12On, Q13In straight line L13On, according to above-mentioned coordinate value point O can not calculated1P11、O1P12、O1P13Length is (as shown in figure 8, three point P11, P12, P13On same circle, then O1P11、O1P12、O1P13Length should be equal, is all radius), it is shown below：<mrow> <msub> <mi>O</mi> <mn>1</mn> </msub> <msub> <mi>P</mi> <mn>11</mn> </msub> <mo>=</mo> <msqrt> <mrow> <msup> <msub> <mi>a</mi> <mn>11</mn> </msub> <mn>2</mn> </msup> <mo>+</mo> <msup> <msub> <mi>b</mi> <mn>11</mn> </msub> <mn>2</mn> </msup> </mrow> </msqrt> </mrow><mrow> <msub> <mi>O</mi> <mn>1</mn> </msub> <msub> <mi>P</mi> <mn>12</mn> </msub> <mo>=</mo> <msqrt> <mrow> <msup> <msub> <mi>a</mi> <mn>12</mn> </msub> <mn>2</mn> </msup> <mo>+</mo> <msup> <msub> <mi>b</mi> <mn>12</mn> </msub> <mn>2</mn> </msup> </mrow> </msqrt> </mrow> 1<mrow> <msub> <mi>O</mi> <mn>1</mn> </msub> <msub> <mi>P</mi> <mn>13</mn> </msub> <mo>=</mo> <msqrt> <mrow> <msup> <msub> <mi>a</mi> <mn>13</mn> </msub> <mn>2</mn> </msup> <mo>+</mo> <msup> <msub> <mi>b</mi> <mn>13</mn> </msub> <mn>2</mn> </msup> </mrow> </msqrt> </mrow>The numerical value of three laser range sensors is read respectively, is designated as c11, c12, c13, c herein11, c12, c133 numerical value difference Corresponding to Q11P11、Q12P12、Q13P13Length, and then target designation value S can be calculated11：O1Q11、S12：O1Q12、S13： O1Q13, it is shown below：S11=O1Q11=O1P11-Q11P11S12=O1Q12=O1P12-Q12P12S13=O1Q13=O1P13-Q13P13And then inner side V-groove position S can be obtained11、S12、S13；Middle part V-groove relevant position S can similarly be obtained21、S22、S23；Outside V-groove position S31、S32、S33；B, inner diameter of cylinder sleeve measuresAccording to target measurement inner diameter of cylinder sleeve theoretical size so that target cylinder covers internal diameter theoretical size and surveyed in this V-groove gear In the range of amount, then target measurement cylinder jacket is put into Digit Control Machine Tool, is used as connector by magnetic bases, by magnetic bases Absorption end be adsorbed onto in the circular protrusions of three-pawl type base bottom, the fixing end of magnetic bases is installed on toolframe, lead to Cross machine tool program and control to adjust three-pawl type position base, the center of three-pawl type base is reached in cylinder jacket theoretical axis, then Control single unit system, which drops to inside cylinder jacket, needs the height for measuring internal diameter, carries out measurement inner diameter of cylinder sleeve chi in real time It is very little, three laser range sensor detected value reading c can be read respectively1, c2, c3；C, inner diameter of cylinder sleeve calculatesUsing the center of circle O of inner diameter of cylinder sleeve measurement apparatus as origin, OP1Line crosses origin perpendicular to OP as X-axis1Line is to the right Straight line be defined as Y-axis, according to selected gear calibration value S1、S2、S3Three luminous point P can be calculated1、P2、P3To the length of origin Spend OP1、OP2、OP3, due to OP1、OP2、OP3Three straight lines are uniformly distributed in 120 ° and pass through origin, and then can calculate The coordinate value P of three luminous points1(a1, b1), P2(a2, b2), P1(a3, b3), wherein：a1=OP1, b1=0Three points in known rounded edge, can calculate round radius, and then can calculate the big of inner diameter of cylinder sleeve herein It is small.
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| CN110260807A (en) * | 2019-07-25 | 2019-09-20 | 中国人民解放军海军工程大学 | A kind of calibration and application method of floating raft vibration isolation device spacing prison detection pedestal peculiar to vessel |
| CN110763145A (en) * | 2019-11-28 | 2020-02-07 | 兖矿集团有限公司 | Diameter-variable inner wall scanning instrument for cylinder body |
| CN110779488A (en) * | 2019-10-31 | 2020-02-11 | 湖北民族大学 | Self-adaptive measuring system for measuring distance of overall dimension parameters of steel and control method |
| CN111879247A (en) * | 2020-08-03 | 2020-11-03 | 海伯森技术（深圳）有限公司 | Device for measuring specification of shaft hole |
| CN113587830A (en) * | 2021-08-03 | 2021-11-02 | 上海柏酷信息技术有限公司 | Device and method for measuring inner diameter of circular hole at non-contact 3 points |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108692666A (en) * | 2018-03-28 | 2018-10-23 | 郑州郑大智能科技股份有限公司 | A kind of inner diameter of cylinder sleeve detection device |
| CN108692666B (en) * | 2018-03-28 | 2020-04-10 | 郑州郑大智能科技股份有限公司 | Cylinder jacket internal diameter detection device |
| CN110260807A (en) * | 2019-07-25 | 2019-09-20 | 中国人民解放军海军工程大学 | A kind of calibration and application method of floating raft vibration isolation device spacing prison detection pedestal peculiar to vessel |
| CN110779488A (en) * | 2019-10-31 | 2020-02-11 | 湖北民族大学 | Self-adaptive measuring system for measuring distance of overall dimension parameters of steel and control method |
| CN110779488B (en) * | 2019-10-31 | 2021-06-22 | 湖北民族大学 | Self-adaptive measuring system for measuring distance of overall dimension parameters of steel and control method |
| CN110763145A (en) * | 2019-11-28 | 2020-02-07 | 兖矿集团有限公司 | Diameter-variable inner wall scanning instrument for cylinder body |
| CN111879247A (en) * | 2020-08-03 | 2020-11-03 | 海伯森技术（深圳）有限公司 | Device for measuring specification of shaft hole |
| CN113587830A (en) * | 2021-08-03 | 2021-11-02 | 上海柏酷信息技术有限公司 | Device and method for measuring inner diameter of circular hole at non-contact 3 points |
| CN113587830B (en) * | 2021-08-03 | 2022-08-23 | 上海柏酷信息技术有限公司 | Device and method for measuring inner diameter of circular hole at non-contact 3 points |
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Effective date of registration: 20230605 Address after: 415400 CaiJiaHe community, sanzhouyi office, Jinshi City, Changde City, Hunan Province Patentee after: Hunan Xinyuan cylinder liner Co.,Ltd. Address before: 230000 Room 203, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee before: Hefei Jiuzhou Longteng scientific and technological achievement transformation Co.,Ltd. Effective date of registration: 20230605 Address after: 230000 Room 203, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee after: Hefei Jiuzhou Longteng scientific and technological achievement transformation Co.,Ltd. Address before: 212003, No. 2, Mengxi Road, Zhenjiang, Jiangsu Patentee before: JIANGSU University OF SCIENCE AND TECHNOLOGY |
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