CN104457618B - A kind of positioning tool measured for diesel nozzeles and method - Google Patents
A kind of positioning tool measured for diesel nozzeles and method Download PDFInfo
- Publication number
- CN104457618B CN104457618B CN201410669301.3A CN201410669301A CN104457618B CN 104457618 B CN104457618 B CN 104457618B CN 201410669301 A CN201410669301 A CN 201410669301A CN 104457618 B CN104457618 B CN 104457618B
- Authority
- CN
- China
- Prior art keywords
- locating piece
- nozzle
- shaped groove
- pressing plate
- plane
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000003825 pressing Methods 0.000 claims abstract description 23
- 239000007921 spray Substances 0.000 claims description 9
- 241000209094 Oryza Species 0.000 claims description 6
- 235000007164 Oryza sativa Nutrition 0.000 claims description 6
- 235000009566 rice Nutrition 0.000 claims description 6
- 238000003384 imaging method Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 20
- 238000013461 design Methods 0.000 abstract description 2
- 238000003754 machining Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 238000000889 atomisation Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
A kind of positioning tool measured for diesel nozzeles, it includes locating piece and pressing plate；Wherein, locating piece is a cube component, and it has the upper plane being parallel to each other and lower plane, upper V-shaped groove of the plane provided with an outer round surface for positioning tested nozzle on this, and the both sides of the locating piece are symmetrically provided with two through holes；Pressing plate is tabular component, its lower plane is provided with an inverted v-shaped groove relative with the upper V-shaped groove of locating piece, the both sides of the pressing plate are symmetrically provided with two mounting grooves, and two clamping screws are each passed through two through holes of two mounting groove and locating piece and tested nozzle is clamped on locating piece by pressing plate.The invention also discloses a kind of method for the diesel nozzeles measurement realized using the positioning tool.The present invention can easily measure Nozzle cone angle, it is ensured that the uniformity of design basis, machining benchmark and measuring basis, improve the reliability and accuracy of measurement data, have the advantages that measurement range is big, easy to use, rational in infrastructure and cheap.
Description
Technical field
The present invention relates to a kind of measurement instrument and measuring method, and in particular to a kind of for determining that diesel nozzeles are measured
Position frock and method, belong to Diesel Engine Technique Field.
Background technology
Nozzle (also referred to as fuel injector) is to realize fuel-injected important component during Fuel Feeding System for Diesel Engine is united, and its function is
According to the characteristics of diesel engine mixed Daqu, by fuel-oil atmozation into trickle oil droplet, and the specific portion in combustion chamber is injected into
Position, nozzle should meet requirement of the different types of combustion chamber to spray characteristics.It is, in general, that nozzle all has certain atomizer cone
Angle, accurate and rational jet nozzle angle can obtain good atomization quality, and nozzle is reached in the diesel oil of in-cylinder injection
Atomization is uniform, penetration power is strong, fuel particles are refined, sufficient effect of burning, and then it is abundant to play diesel engine power, reduction oil
Consumption and the discharge of pollution, increase the service life, the economy of diesel engine are greatly improved.
In recent years with the development in marine low speed diesel engine market, the size of the nozzle of various type diesel engines is not
One, the horizontal direction measurement of its Nozzle cone angle is a technical barrier all the time.Existing technology is usually with than Nozzle
In the standard core rods insertion spray orifice of small (0.01-0.02mm), carried out on standard V shape iron with supplementary means such as padded gauge blocks
Measurement, not only measurement efficiency is low, and cylindrical size due to nozzle and different in size, and special positioning tool folder is lacked again
Tool, often occurs due to misoperation to cause nozzle to drop, the situation of mandrel fracture in measurement, causes no small economy
Loss；What is more, in batch production processing, is often dissected the entity of nozzle, along the axis wire cutting of spray orifice
After measure, although so measurement accuracy is higher also increases manufacturing cost.
The content of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art there is provided a kind of for determining that diesel nozzeles are measured
Position frock and method, can easily measure Nozzle cone angle, improve the reliability and accuracy of measurement data.
To achieve the above object, the technical scheme that the present invention takes is as follows：
A kind of positioning tool measured for diesel nozzeles, it includes locating piece and pressing plate；
The locating piece is a cube component, and it has the upper plane being parallel to each other and lower plane, set on this in plane
There is a upper V-shaped groove for being used to position the outer round surface of tested nozzle, the both sides of the locating piece are symmetrically provided with two through holes；
The pressing plate is tabular component, and its lower plane is provided with an inverted V-shaped relative with the upper V-shaped groove of the locating piece
Groove, the both sides of the pressing plate are symmetrically provided with two mounting grooves, and two clamping screws are each passed through two mounting groove and the locating piece
Two through holes and tested nozzle is clamped on the locating piece by the pressing plate.
As a further improvement, the lower plane of described locating piece is provided with an outer round surface for positioning tested nozzle
Lower V-shaped groove.
As a further improvement, the opening angle of the inverted v-shaped groove of the upper V-shaped groove of described locating piece, lower V-shaped groove and pressing plate
For 90 ° or 120 °, symmetry≤0.005mm, the linearity≤0.01mm and flatness≤0.01mm of the groove face of V-shaped groove two.
As a further improvement, the upper plane and flatness≤0.005mm of lower plane of described locating piece, plane on this
With the depth of parallelism≤0.005mm of lower plane.
Another technical scheme of the present invention is as follows：
A kind of method for the diesel nozzeles measurement realized using the positioning tool, it is comprised the following steps that：
1) specification 0.01-0.02mm smaller than Nozzle of Diesel Engines standard core rods are inserted in the spray orifice；
2) nozzle is put into the upper V-shaped groove of the locating piece, the cylindrical table of the nozzle is positioned with V-shaped groove on this
Face, and the nozzle being fixed on the locating piece by two clamping screws with the pressing plate, locking force is to ensure this
Nozzle rotatable around its axis can be advisable；
3) connect the power supply of universal tool-measuring microscope and computer and enter related software systems；
4) with the baffle plate of micrometer lens alignment universal tool-measuring microscope, straightness error≤0.001mm is reached；
5) nozzle of clamping on locating piece is adsorbed on the baffle plate of universal tool-measuring microscope with magnetic block；
6) focal length of micrometer lens is adjusted, the optimum position of standard core rods heads, afterbody focal length in the horizontal direction is found；
7) bolt in universal tool-measuring microscope vertical pillars is locked, by rotating " rice " wordline of micrometer lens,
Angle in eyepiece imaging system with actual standard core rods is fitted, and is measured the angle of standard core rods in the horizontal direction and is missed
Difference；
8) by rotating the nozzle in the axial direction, the optimum position of each horizontal direction focal length of standard core rods is adjusted,
The angular error of Nozzle cone angle is obtained after being fitted with " rice " wordline of micrometer lens.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, the positioning tool is fixed with symmetrical two clamping screw, and clamping is very convenient；
2nd, present invention ensures that the uniformity of design basis, machining benchmark and measuring basis, make measurement data it is relatively reliable,
Accurately；
3rd, the upper V-shaped groove can be used for the measurement of diameter 8-18mm nozzles, and lower V-shaped groove can be used for direct 18-50mm sprays
The measurement of mouth, width substantially meets the positioning and measurement of the diesel nozzeles of all shaft length, therefore measurement range of the present invention
It is larger, the horizontal cone angle of the nozzle hole cone angle of measurable diameter range 8-50mm nozzle, also measurable like parts.
4th, have the advantages that easy to use, rational in infrastructure, cheap.
Brief description of the drawings
Fig. 1 is schematic diagram of the invention.
Fig. 2 is the structural representation of locating piece.
Fig. 3 is Fig. 2 top view.
Fig. 4 is the structural representation of pressing plate.
Fig. 5 is the clamping schematic diagram of measuring state of the present invention.
Embodiment
Below in conjunction with the accompanying drawings with specific embodiment to the positioning tool of the present invention measured for diesel nozzeles
And its measuring method is described further, but it should not be limited the scope of the invention with this.
Referring to Fig. 1, illustrating the positioning tool measured for diesel nozzeles includes locating piece 1, the locking screw of pressing plate 2 and two
Bolt 3.
Fig. 2 and Fig. 3 are referred to, the locating piece 1 is a cube component, can be specifically manufactured processing, also can be in standard V
Carry out the transformation of the way on the basis of shape iron to form, it has the upper plane 11 that is parallel to each other and a lower plane 12, described locating piece 1 it is upper
Flatness≤0.005mm of plane 11 and lower plane 12, plane 11 and the depth of parallelism≤0.005mm of lower plane 12 on this.It is described
Upper V-shaped groove 13 of the upper plane 11 provided with an outer round surface for positioning tested nozzle, the lower plane 12 is used for provided with one
The lower V-shaped groove 14 of the outer round surface of the tested nozzle of positioning, the both sides of the locating piece 1 are symmetrically run through provided with being applicable the two of M6
Hole 15.The opening angle of the upper V-shaped groove 13 of described locating piece 1 and lower V-shaped groove 14 is 90 ° or 120 °, symmetry≤
0.005mm, the linearity≤0.01mm and flatness≤0.01mm of the groove face of V-shaped groove two.
The upper V-shaped groove 13 is mainly used in the measurement of diameter 8-18mm nozzles, and lower V-shaped groove 14 is mainly used in diameter 18-
The measurement of 50mm nozzles；The width of the locating piece is 15mm, substantially meets the marine low speed diesel engine spray of all shaft length
The positioning and measurement of mouth.
The pressing plate 2 is tabular component, and its lower plane is provided with V relative with the upper V-shaped groove 13 of the locating piece 1
Shape groove 21, the both sides of the pressing plate 2 are symmetrically provided with two mounting grooves 22.The opening angle of the inverted v-shaped groove 21 of the pressing plate 2 is
90 ° or 120 °, symmetry≤0.005mm, the linearity≤0.01mm and flatness≤0.01mm of the groove face of V-shaped groove two.
Two clamping screw 3 is each passed through two mounting grooves 22 of the pressing plate 2 and two through holes 15 of the locating piece 1
And tested nozzle is clamped on the locating piece 1 by the pressing plate 2.
Using the diesel nozzeles measuring method of above-mentioned positioning tool, Fig. 5 is seen, it is comprised the following steps that：
1) specification 0.01-0.02mm smaller than Nozzle of Diesel Engines standard core rods are inserted in the spray orifice, the depth of insertion
Degree meets the requirements, it is ensured that the reliability of measurement data；
2) outer round surface of the nozzle 4 is positioned with the upper V-shaped groove 13 of the locating piece 1, the nozzle 4 is put into described
In upper V-shaped groove 13, and the nozzle 4 is fixed on the locating piece 1 by two clamping screws 3 with the pressing plate 2, locked
Dynamics is appropriate, to ensure that the nozzle 4 rotatable around its axis can be advisable；
3) after universal tool-measuring microscope and computer switching on power, open and enter related software systems；
4) the baffle plate alignment of universal tool-measuring microscope is reached into straightness error≤0.001mm with micrometer lens；
5) nozzle 4 of clamping on locating piece 1 is adsorbed on the baffle plate of universal tool-measuring microscope with magnetic block；
6) focal length of micrometer lens is adjusted, the optimum position of standard core rods head, an afterbody focal length in the horizontal direction is found；
7) bolt on universal tool-measuring microscope vertical direction column is locked, by " rice " word for rotating micrometer lens
Line, the angle with actual standard core rods in micro eyepiece imaging system is fitted, and can easily measure standard core
The angular error (being the angular error of spray orifice) of rod in the horizontal direction；
8) rotation by nozzle 4 along direction of axis line, the optimum position of each horizontal direction focal length of adjustment standard core rods,
The angular error of Nozzle cone angle is obtained after being equally fitted with " rice " wordline of micrometer lens.
Nozzle to measure diameter 18-50mm, need to only overturn locating piece 1 180 degree, and lower V-shaped groove 14 upwards, is repeated
Above-mentioned steps.
The protection domain of application claims is not limited only to above-described embodiment, to those skilled in the art,
In the case of the principle and spirit that do not depart from the present invention, made any modification, equivalent substitution, obvious modification and change
Enter, protection scope of the present invention all should be belonged to.
Claims (4)
1. it is a kind of for diesel nozzeles measure method, realized by positioning tool, the positioning tool include locating piece and
Pressing plate, the locating piece is a cube component, and it has the upper plane being parallel to each other and lower plane, and plane is provided with one on this
For the upper V-shaped groove for the outer round surface for positioning tested nozzle, the both sides of the locating piece are symmetrically provided with two through holes, the pressure
Plate is tabular component, and its lower plane is provided with an inverted v-shaped groove relative with the upper V-shaped groove of the locating piece, the both sides of the pressing plate
Portion is symmetrically provided with two mounting grooves, and two clamping screws are each passed through two through holes of two mounting groove and the locating piece and passed through
Tested nozzle is clamped on the locating piece by the pressing plate；It is characterized in that：Methods described is comprised the following steps that：
1) specification 0.01-0.02mm smaller than Nozzle of Diesel Engines standard core rods are inserted in the spray orifice；
2) nozzle is put into the upper V-shaped groove of the locating piece, the outer round surface of the nozzle is positioned with V-shaped groove on this,
And the nozzle is fixed on the locating piece by two clamping screws with the pressing plate, locking force is to ensure the nozzle
Rotatable around its axis it can be advisable；
3) connect the power supply of universal tool-measuring microscope and computer and enter related software systems；
4) with the baffle plate of micrometer lens alignment universal tool-measuring microscope, straightness error≤0.001mm is reached；
5) nozzle of clamping on locating piece is adsorbed on the baffle plate of universal tool-measuring microscope with magnetic block；
6) focal length of micrometer lens is adjusted, the optimum position of standard core rods heads, afterbody focal length in the horizontal direction is found；
7) bolt in universal tool-measuring microscope vertical pillars is locked, by rotating " rice " wordline of micrometer lens, in eyepiece
Angle in imaging system with actual standard core rods is fitted, and measures the angular error of standard core rods in the horizontal direction；
8) by rotating the nozzle, the optimum position of each horizontal direction focal length of adjustment standard core rods, with survey in the axial direction
" rice " wordline of micro lens obtains the angular error of Nozzle cone angle after being fitted.
2. the method according to claim 1 measured for diesel nozzeles, it is characterised in that：Under described locating piece
Lower V-shaped groove of the plane provided with an outer round surface for positioning tested nozzle.
3. the method according to claim 2 measured for diesel nozzeles, it is characterised in that：Described locating piece it is upper
The opening angle of the inverted v-shaped groove of V-shaped groove, lower V-shaped groove and pressing plate is 90 ° or 120 °, symmetry≤0.005mm, the groove face of V-shaped groove two
Linearity≤0.01mm and flatness≤0.01mm.
4. the method according to claim 1 or 2 measured for diesel nozzeles, it is characterised in that：Described locating piece
Upper plane and lower plane flatness≤0.005mm, the depth of parallelism≤0.005mm of plane and lower plane on this.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410669301.3A CN104457618B (en) | 2014-11-21 | 2014-11-21 | A kind of positioning tool measured for diesel nozzeles and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410669301.3A CN104457618B (en) | 2014-11-21 | 2014-11-21 | A kind of positioning tool measured for diesel nozzeles and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104457618A CN104457618A (en) | 2015-03-25 |
| CN104457618B true CN104457618B (en) | 2017-07-28 |
Family
ID=52904056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410669301.3A Active CN104457618B (en) | 2014-11-21 | 2014-11-21 | A kind of positioning tool measured for diesel nozzeles and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104457618B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110470233B (en) * | 2019-08-02 | 2024-11-08 | 中船动力有限公司 | Testing method of the aperture detection tool for diesel engine fuel injection nozzle |
| CN110567401A (en) * | 2019-10-09 | 2019-12-13 | 无锡威孚马山油泵油嘴有限公司 | A fuel injection nozzle nozzle hole projection detection tool |
| CN112747651B (en) * | 2019-10-29 | 2022-08-19 | 沪东重机有限公司 | Method for measuring angle of spray hole of oil sprayer nozzle of marine diesel engine |
| CN114413767B (en) * | 2022-01-24 | 2023-06-13 | 中国工程物理研究院机械制造工艺研究所 | Precise rotary positioning and adjusting device for laser transmission |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1453558A (en) * | 2003-04-28 | 2003-11-05 | 彩虹彩色显像管总厂 | Aperture size mesurer and measuring method |
| CN201081680Y (en) * | 2007-08-22 | 2008-07-02 | 国营北京曙光电机厂 | Miniature motor radial clearance measuring clamp |
| CN101451809A (en) * | 2007-11-30 | 2009-06-10 | 上海诺玛液压系统有限公司 | Cramp for measuring mandrel |
| CN101749994A (en) * | 2010-01-07 | 2010-06-23 | 沈阳飞机工业（集团）有限公司 | Auxiliary measuring clamp |
| CN202734775U (en) * | 2012-06-11 | 2013-02-13 | 海盐宏泰金属制品有限公司 | Multifunctional measurement clamp |
| CN103134416A (en) * | 2011-11-28 | 2013-06-05 | 马斯特模具（昆山）有限公司 | Jig for detecting concentricity of jet nozzle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8776388B2 (en) * | 2011-01-17 | 2014-07-15 | General Electric Company | Apparatus and method for measuring a nozzle |
-
2014
- 2014-11-21 CN CN201410669301.3A patent/CN104457618B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1453558A (en) * | 2003-04-28 | 2003-11-05 | 彩虹彩色显像管总厂 | Aperture size mesurer and measuring method |
| CN201081680Y (en) * | 2007-08-22 | 2008-07-02 | 国营北京曙光电机厂 | Miniature motor radial clearance measuring clamp |
| CN101451809A (en) * | 2007-11-30 | 2009-06-10 | 上海诺玛液压系统有限公司 | Cramp for measuring mandrel |
| CN101749994A (en) * | 2010-01-07 | 2010-06-23 | 沈阳飞机工业（集团）有限公司 | Auxiliary measuring clamp |
| CN103134416A (en) * | 2011-11-28 | 2013-06-05 | 马斯特模具（昆山）有限公司 | Jig for detecting concentricity of jet nozzle |
| CN202734775U (en) * | 2012-06-11 | 2013-02-13 | 海盐宏泰金属制品有限公司 | Multifunctional measurement clamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104457618A (en) | 2015-03-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104457618B (en) | A kind of positioning tool measured for diesel nozzeles and method | |
| CN103322878B (en) | Special detection tool for conical surface runout of cylinder cover valve seat of diesel engine | |
| CN103278077A (en) | Gauge and method for measuring short external cone | |
| CN102506689A (en) | Length measuring instrument-based high precision thread plug gauge measuring device and measurement method | |
| CN112747651B (en) | Method for measuring angle of spray hole of oil sprayer nozzle of marine diesel engine | |
| CN110421316A (en) | A kind of new process research method of fuel nozzle processing | |
| CN202763731U (en) | Fast locating fixture of integral wheel | |
| CN202155996U (en) | Mutual colliding structure for slender inserts of injection mould of products with precise pores | |
| Li et al. | The comparative study of gasoline and n-butanol on spray characteristics | |
| CN203405136U (en) | Special gauge for diesel engine cylinder cover conical surface run-out | |
| CN202229700U (en) | Measuring tool of outer needle valve seat surface of diesel engine | |
| CN116105648B (en) | A multi-hole spatial position detection device and its manufacturing and detection method | |
| CN203550825U (en) | Cylinder cover fuel injector detection tool | |
| CN104534965B (en) | A kind of internal thread testing apparatus for verticality and its application method | |
| CN203109525U (en) | Welding device for joint and round pipe of oil atomizer | |
| CN203304951U (en) | Tool for machining single-screw rod compressor shell | |
| CN205192455U (en) | Star probe positioner | |
| CN202853524U (en) | Measuring device of spherical ball way inner star wheel forged piece at high temperature | |
| CN209279863U (en) | A kind of crankshaft cap installation mating surface arrangement for measuring verticality of body | |
| CN203534549U (en) | Special hole position tracking device for three-coordinate measuring machine | |
| CN210268555U (en) | Injection nozzle orifice projection detection tool | |
| CN204988101U (en) | Utensil is examined in piston cooling nozzle special use | |
| CN110567347B (en) | Detection device and detection method for bottom diameter of deep hole inner groove | |
| CN204108528U (en) | Be used in backstay and the positioner of Laser Processing atomizer | |
| CN110470233B (en) | Testing method of the aperture detection tool for diesel engine fuel injection nozzle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |