CN106403751A - Cylinder body multi-boss location degree detection method - Google Patents

Cylinder body multi-boss location degree detection method Download PDF

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Publication number
CN106403751A
CN106403751A CN201610782424.7A CN201610782424A CN106403751A CN 106403751 A CN106403751 A CN 106403751A CN 201610782424 A CN201610782424 A CN 201610782424A CN 106403751 A CN106403751 A CN 106403751A
Authority
CN
China
Prior art keywords
boss
cylinder block
detection
datum level
block
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.)
Pending
Application number
CN201610782424.7A
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Chinese (zh)
Inventor
龙辅斌
唐宗智
姚良光
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangxi Yuchai Machinery Co Ltd
Original Assignee
Guangxi Yuchai Machinery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangxi Yuchai Machinery Co Ltd filed Critical Guangxi Yuchai Machinery Co Ltd
Priority to CN201610782424.7A priority Critical patent/CN106403751A/en
Publication of CN106403751A publication Critical patent/CN106403751A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical means
    • G01B5/003Measuring of motor parts
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical means
    • G01B5/14Measuring arrangements characterised by the use of mechanical means for measuring distance or clearance between spaced objects or spaced apertures

Abstract

The invention discloses a cylinder body multi-boss location degree detection method. Firstly a cylinder body is fixed on a detection pedestal through matching of two pairs of pin holes and positioning pins, and a plane which passes through the connecting line of the center lines of the two pin holes and is perpendicular to the extension direction of bosses is set as a first reference surface; a vertically arranged second reference surface is arranged on one side which is adjacent to the outwardly stretching top surface of the bosses on the detection pedestal; then the distance A between the first reference surface and the second reference surface and the vertical distance L from the top surface of the bosses to the second reference surface are measured; and finally the height relation between all the bosses is obtained through a formula (L-A). According to the cylinder body multi-boss location degree detection method, the height relation between all the bosses is calculated by setting the reference surfaces perpendicular to the extension direction of the bosses so that the cylinder body of which the boss positions are relatively complex can be detected, the applicability is wide, the steps are simple and the detection result is accurate.

Description

A kind of detection method of cylinder block many lug boss position degree
Technical field
The present invention relates to the detection field of cylinder block, more particularly, to a kind of detection method of cylinder block many lug boss position degree.
Background technology
There are multiple highly different boss in each face of cylinder block of multi-cylinder diesel engine, and the relative altitude position between each boss is closed System is represented by the horizontal range between its top surface and cylinder block bottom surface two pin aperture centerline line.Due to product cylinder Body bottom surface pin aperture centerline line as the benchmark of detection positioning, when detecting each lug boss position of product it is necessary to cylinder block It is arranged on verifying bench, and make cylinder block benchmark plane perpendicular in verifying bench, calibrate cylinder block bottom surface simultaneously by calibration Two dowel hole center line lines parallel to verifying bench, that is, are determining product cylinder block bottom surface and bottom surface two dowel hole center After line link position, guarantee boss height direction to be detected is perpendicular to verifying bench, so that it is determined that the inspection of detection boss Survey benchmark.During this kind of method detection product, loaded down with trivial details difficulty is it is difficult to be detected with commonsense method.
Content of the invention
It is an object of the invention to provide a kind of detection method of cylinder block many lug boss position degree, it is stretched with boss by setting The perpendicular datum level in exhibition direction, to calculate the height relationships between each boss, can detect the complex gas of lug boss position Cylinder body, applicability is wide, and step is simple, and testing result is accurate.
For achieving the above object, the present invention provides a kind of detection method of cylinder block many lug boss position degree, and it includes following Step:
1) cylinder block positioning step:By mobile for the cylinder block top to horizontally disposed detection base and fixed by two Position pin will detect that base is connected with cylinder block bottom surface;The multiple boss in cylinder block are made to arrange in the horizontal direction and all to institute The same side stating cylinder block is stretched;Set through the center line line of two alignment pins and perpendicular with the direction of extension of boss Plane be the first datum level;
2) the second datum level setting steps:The side adjacent with the overhanging top surface of boss on detection base arranges vertical cloth The second datum level put, wherein, the distance between the second datum level and described first datum level are A;
3) ranging step:Measure vertical range L of the overhanging top surface of each boss to the second datum level by instrument of finding range;
4) calculation procedure:Each boss can be drawn to the distance between the first datum level D by formula | L-A |, and lead to Cross (L-A) gained numerical symbol positive and negative come to determine this boss be located at the first datum level which side.
As a further improvement on the present invention, described detection base arranges a perpendicular detection origin reference location Block, and make described boss top surface towards described detection origin reference location block, away from the side of cylinder block on this detection origin reference location block End face is perpendicular with the direction of extension of boss, using this end face as the second described datum level.
As the further improvement of the present invention, the described direction of extension of multiple boss in cylinder block and described gas Cylinder body bottom surface is parallel.
As the further improvement of the present invention, described detection origin reference location block has been horizontally disposed with multiple respectively with gas The corresponding through hole of boss that cylinder body is provided with;Described ranging step is:Make range finding instrument be each passed through each through hole, and measure Boss top surface corresponding with this through hole is to vertical range L of the second datum level.
As the further improvement of the present invention, the top of described detection base is provided with least three isometry blocks, and Make the figure that the line between described each isometry block is formed be polygon, described isometry block is supported in described cylinder block bottom surface.
As the further improvement of the present invention, described range finding instrument is vernier depth gauge or digital display depth gage.
Beneficial effect
Compared with prior art, the detection method of cylinder block many lug boss position degree of the present invention has the advantage that:
1st, the first datum level and the second reference plane are to effect, the wherein second datum level and first datum level of subsidiary The distance between A can directly record, measure each boss top surface one by one to vertical range L of the second datum level, by formula (L-A) The distance between each boss top surface and first datum level and position relationship can be obtained, thus showing that the height between each boss closes System, this kind of detection method can detect the complex cylinder block of lug boss position, and applicability is wide, and step is simple, detection knot Fruit is accurately;Alignment pin on detection base is adapted with the pin-and-hole on cylinder block bottom surface, accurate positioning, ensure that detection essence Degree;
2nd, using an end face on detection origin reference location block as the second datum level, detect that origin reference location block is arranged on detection On base, structure is simple;Wherein, on detection origin reference location block, the end face contrary with cylinder body position is the second datum level, thereon It is provided with multiple positions through hole corresponding with boss, range finding instrument is passed through through hole and withstands on corresponding boss top surface i.e. Vertical range L can be measured, detection mode is convenient and swift;
3rd, the top of detection base is provided with least three isometry blocks, and cylinder block bottom surface is placed on isometry block, its positioning effect Really good, it is to avoid to cause the larger situation of detection error because of detection base local out-of-flatness.
By description below and combine accompanying drawing, the present invention will become more fully apparent, and these accompanying drawings are used for explaining the present invention Embodiment.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is placed on the schematic diagram on detection base for cylinder block;
Fig. 2 is the location diagram of cylinder block, detection base and detection origin reference location block three.
In figure, 1, cylinder block;11st, boss;12nd, cylinder block bottom surface;13rd, pin-and-hole;2nd, detect base;3rd, detect origin reference location Block;31st, through hole;4th, range finding instrument;5th, isometry block;6th, alignment pin;7th, bolt;8th, the first datum level;9th, the second datum level.
Specific embodiment
With reference now to Description of Drawings embodiments of the invention,.
Embodiment 1
The specific embodiment of the present invention, as shown in figure 1, the top of detection base 2 is horizontal structure, which is provided with two The vertically alignment pin 6 of arrangement.The bottom of cylinder block 1 is cylinder block bottom surface 12, makes multiple boss 11 in cylinder block 1 along water Square to arrangement and all to cylinder block 1 the same side stretching, extension.Cylinder block bottom surface 12 is provided with two pin-and-holes 13, and two pin-and-holes 13 Center line line perpendicular with the direction of extension of each boss 11.The direction of extension of multiple boss 11 in cylinder block 1 with Cylinder block bottom surface 12 is parallel.
The top of detection base 2 is provided with least three isometry blocks 5, makes the figure that the line between each isometry block 5 is formed For polygon.
A kind of detection method of cylinder block many lug boss position degree, it comprises the following steps:
1) cylinder block positioning step:As shown in figure 1, by mobile for cylinder block 1 top to horizontally disposed detection base 2, Isometry block 5 is supported in cylinder block bottom surface 12, and will detect that base 2 is connected with cylinder block bottom surface 12 by two alignment pins 6;If Determine the center line line through two alignment pins 6 and the plane perpendicular with the direction of extension of boss 11 is the first datum level 8;
2) the second datum level setting steps:As shown in Fig. 2 arranging a perpendicular detection base on detection base 2 Quasi- locating piece 3, and make boss 11 top surface towards detection origin reference location block 3, away from cylinder block 1 on this detection origin reference location block 3 One side end face is perpendicular with the direction of extension of boss 11, using this end face as the second datum level 9, wherein, the second datum level 9 with The distance between first datum level 8 is A;
3) ranging step:As shown in Fig. 2 detection origin reference location block 3 on be horizontally disposed with multiple respectively with cylinder block 1 on The corresponding through hole 31 of the boss 11 that is provided with, corresponding through hole 31 is coaxially arranged with boss 11;Survey tool 4 is depth vernier Slide calliper rule or digital display depth gage, the present embodiment adopts vernier depth gauge, makes the blade of vernier depth gauge be each passed through each Through hole 31 so as to blade end face withstands on boss 11 top surface corresponding with each through hole 31, the base end face of vernier depth gauge Withstand on the second datum level 9 of detection origin reference location block 3, then the distance of blade end face to the base end face of vernier depth gauge is Vertical range L for boss 11 top surface to the second datum level 9;
4) calculation procedure:As shown in Fig. 2 can be drawn between each boss 11 to the first datum level 8 by formula | L-A | Apart from D, and by (L-A) gained numerical symbol positive and negative determining that this boss 11 is located at the which side of the first datum level 8.
First datum level 8 and the second datum level 9 play the effect of subsidiary in the measurements, the wherein second datum level 9 with The distance between first datum level 8 A can directly record.Measure each boss 11 top surface one by one to the vertical range of the second datum level 9 L, can obtain the distance between each boss 11 top surface and the first datum level 8 and position relationship by formula (L-A), thus drawing Height relationships between each boss 11.This kind of detection method can detect the complex cylinder block 1 in boss 11 position, applicability Extensively, and step is simple, testing result is accurate.Alignment pin 6 on detection base 2 is mutually fitted with the pin-and-hole 13 on cylinder block bottom surface 12 Join, accurate positioning, ensure that accuracy of detection.
Using an end face on detection origin reference location block 3 as the second datum level 9, detect that origin reference location block 3 passes through bolt 7 It is arranged on detection base 2, it can change corresponding detection origin reference location block 3, structure letter according to the cylinder block 1 of different size Single, applicability is wide.Wherein, on detection origin reference location block 3, the end face contrary with cylinder block 1 position is the second datum level 9, sets thereon There is multiple positions through hole corresponding with boss 11 31, range finding instrument 4 is passed through through hole 31 and withstands on corresponding boss 11 Vertical range L can be measured on top surface, detection mode is convenient and swift.
Cylinder block bottom surface 12 is placed on isometry block 5, its good positioning effect, easily realizes the horizontal cloth of cylinder block bottom surface 12 Put, it is to avoid cause the larger situation of detection error because of detection base 2 top local out-of-flatness.
Above in association with most preferred embodiment, invention has been described, but the invention is not limited in enforcement disclosed above Example, and modification, the equivalent combinations that the various essence according to the present invention are carried out should be covered.

Claims (6)

1. a kind of detection method of cylinder block many lug boss position degree is it is characterised in that comprise the following steps:
1) cylinder block positioning step:By mobile for cylinder block (1) top to horizontally disposed detection base (2), and pass through two Alignment pin (6) will detect that base (2) is connected with cylinder block bottom surface (12);Make multiple boss (11) edge in cylinder block (1) Horizontal direction arrangement simultaneously all stretches to the same side of described cylinder block (1);Set the center line through two alignment pins (6) to connect Line and the plane perpendicular with the direction of extension of boss (11) are the first datum level (8);
2) the second datum level setting steps:The side setting adjacent with the overhanging top surface of boss (11) in detection base (2) is erected Second datum level (9) of straight arrangement, wherein, the distance between the second datum level (9) and described first datum level (8) are A;
3) ranging step:By find range instrument (4) measure each boss (11) overhanging top surface to the second datum level (9) vertical away from From L;
4) calculation procedure:Each boss (11) can be drawn to the distance between the first datum level (8) D by formula | L-A |, and By (L-A) gained numerical symbol positive and negative come to determine this boss (11) be located at the first datum level (8) which side.
2. a kind of detection method of cylinder block many lug boss position degree according to claim 1 is it is characterised in that in described inspection Survey base (2) one perpendicular detection origin reference location block (3) of upper setting, and make described boss (11) top surface towards described inspection Survey origin reference location block (3), away from a side end face of cylinder block (1) and the stretching, extension of boss (11) in this detection origin reference location block (3) Direction is perpendicular, using this end face as described the second datum level (9).
3. a kind of detection method of cylinder block many lug boss position degree according to claim 1 and 2 is it is characterised in that described The direction of extension of multiple boss (11) in cylinder block (1) is parallel with described cylinder block bottom surface (12).
4. a kind of detection method of cylinder block many lug boss position degree according to claim 2 is it is characterised in that in described inspection Survey and be horizontally disposed with multiple through holes corresponding with the boss (11) that cylinder block (1) is provided with respectively on origin reference location block (3) (31);Described ranging step is:Make range finding instrument (4) be each passed through each through hole (31), and measure corresponding with this through hole (31) Boss (11) top surface to the second datum level (9) vertical range L.
5. a kind of detection method of cylinder block many lug boss position degree according to claim 1 is it is characterised in that in described inspection The top surveying base (2) is provided with least three isometry blocks (5), and makes the figure that the line between described each isometry block (5) formed Shape is polygon, and described isometry block (5) is supported in described cylinder block bottom surface (12).
6. a kind of detection method of the cylinder block many lug boss position degree according to claim 1 or 2 or 3 is it is characterised in that institute Stating range finding instrument (4) is vernier depth gauge or digital display depth gage.
CN201610782424.7A 2016-08-31 2016-08-31 Cylinder body multi-boss location degree detection method Pending CN106403751A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610782424.7A CN106403751A (en) 2016-08-31 2016-08-31 Cylinder body multi-boss location degree detection method

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Application Number Priority Date Filing Date Title
CN201610782424.7A CN106403751A (en) 2016-08-31 2016-08-31 Cylinder body multi-boss location degree detection method

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007198343A (en) * 2006-01-30 2007-08-09 Nissan Diesel Motor Co Ltd Spark ignition internal combustion engine
CN101762224A (en) * 2009-12-28 2010-06-30 温州瑞明工业股份有限公司 Detecting tool for detecting height of engine cylinder head and combustion chamber
CN201803678U (en) * 2010-09-16 2011-04-20 成都华川电装有限责任公司 Alternating-current generator end cover axial size measuring device
CN102735142A (en) * 2012-06-28 2012-10-17 长城汽车股份有限公司 Device for detecting height elevating platform
CN203337056U (en) * 2013-07-03 2013-12-11 广西玉柴机器股份有限公司 Device for measuring protruding height of cylinder liner step
CN103868441A (en) * 2014-02-27 2014-06-18 安徽省捷甬达智能机器有限公司 Test tool for detecting planeness of workpiece
CN104034230A (en) * 2014-06-09 2014-09-10 广西玉柴机器股份有限公司 Measuring gauge for cylinder sleeve boss height

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007198343A (en) * 2006-01-30 2007-08-09 Nissan Diesel Motor Co Ltd Spark ignition internal combustion engine
CN101762224A (en) * 2009-12-28 2010-06-30 温州瑞明工业股份有限公司 Detecting tool for detecting height of engine cylinder head and combustion chamber
CN201803678U (en) * 2010-09-16 2011-04-20 成都华川电装有限责任公司 Alternating-current generator end cover axial size measuring device
CN102735142A (en) * 2012-06-28 2012-10-17 长城汽车股份有限公司 Device for detecting height elevating platform
CN203337056U (en) * 2013-07-03 2013-12-11 广西玉柴机器股份有限公司 Device for measuring protruding height of cylinder liner step
CN103868441A (en) * 2014-02-27 2014-06-18 安徽省捷甬达智能机器有限公司 Test tool for detecting planeness of workpiece
CN104034230A (en) * 2014-06-09 2014-09-10 广西玉柴机器股份有限公司 Measuring gauge for cylinder sleeve boss height

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Application publication date: 20170215