CN106225652A - A kind of for diesel engine cam line and the device of phase-detection - Google Patents
A kind of for diesel engine cam line and the device of phase-detection Download PDFInfo
- Publication number
- CN106225652A CN106225652A CN201610884507.7A CN201610884507A CN106225652A CN 106225652 A CN106225652 A CN 106225652A CN 201610884507 A CN201610884507 A CN 201610884507A CN 106225652 A CN106225652 A CN 106225652A
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- China
- Prior art keywords
- phase
- detection
- hexahedron
- cam
- camshaft
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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
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H7/00—Marking-out or setting-out work
- B25H7/04—Devices, e.g. scribers, for marking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H7/00—Marking-out or setting-out work
- B25H7/04—Devices, e.g. scribers, for marking
- B25H7/045—Devices, e.g. scribers, for marking characterised by constructional details of the marking elements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
Invention describes a kind of for diesel engine cam line and the device of phase-detection, including chalker, phase detection device and detection platform；Chalker is thin-slab structure, and thin plate is machined with the tapered indentations for marking cam " 0 " line mark；Phase detection device includes support shaft, hexahedron, plain washer and locking nut；Support shaft one end is connected with camshaft, and the other end is used for hexahedral installation；Hexahedron one end section is the platy structure of equilateral hexagon, and hexagonal plate face is provided with three equally distributed waist-shaped holes of 60 °, centrally disposed useful circular hole；The other end is cylinder-like structure, and cylinder center overlaps with hexagonal centre setting；Plain washer is arranged on cylinder end；Locking nut is used for fastening hexahedron.The present invention designs simple and reasonable for structure and is easy to make, save line time, the advantage such as easy to operate.
Description
Technical field
The present invention relates to beeliner service technique, particularly a kind of for diesel engine cam line and phase-detection
Device.
Background technology
DF7 diesel engine of diesel locomotive camshaft is one of most critical parts of whole air distribution system, and cam is divided into distribution convex
Wheel and fuel cam two kinds, fuel cam 3 is cylinder and irregular column composition, and irregular cylindrical shape is by basic circle section, force feed
Section, oil pressure maintaining segment, oil pressure reduce section, plunger reply section, oil suction section etc. six part composition, have higher roughness requirements；Enter
Gas cam 4 becomes 180 ° with exhaust cam 5 mutual alignment, but be all cylinder and irregular column composition, irregular cylindrical shape by
Basic circle section, valve idle stroke section, open changeover portion, air inlet (or aerofluxus) procedure segment, closing ramp, closing flank and
Close and postpone to wait seven part compositions.
In the work process of diesel engine, camshaft is enterprising, the rotation of exhaust cam, promotion push rod, push rod and rocking arm,
Transverse arm controls the opening and closing of valve, plays its effect；Meanwhile, fuel cam controls the characteristics of motion of plunger, from
And determine injection pump fuel supply rate curve, affect the oil spout rhythm of fuel injector, make diesel engine preferably complete air inlet, pressure
Contracting, burning expansion and the work process of four strokes of aerofluxus, it is achieved diesel engine plays peak power during using.Camshaft
In maintenance process, the installation line of cam and phase measurement are most important process and maintenance means, but existing convex
Take turns the method for detecting phases after line when installing, dress extremely complex, need many people and operating difficulties, rectify and improve process accuracy
The highest, cycle is big compared with long, work efficiency, labor intensity, have impact on the production cycle of camshaft.
Summary of the invention
The technical problem to be solved is to provide a kind of for diesel engine cam line and the device of phase-detection,
In order to improve camshaft overhaul efficiency, and make it have design simple and reasonable for structure and be easy to make, save line time, behaviour
Make the advantages such as convenient；Complete crossed process and the camshaft phase detection of complexity；Shortening camshaft repair time, reduction are reached
Labor intensity, the purpose of raising accuracy.
In order to realize solving the purpose of above-mentioned technical problem, present invention employs following technical scheme:
A kind of for diesel engine cam line and the device of phase-detection, flat including chalker, phase detection device and detection
Platform；
Described chalker is thin-slab structure, and profile is consistent with cam profile to be detected, is provided with circular hole in the middle part of thin plate, and being used for will
Chalker is arranged on camshaft；It is machined with for marking cam along the centrage of inside and outside circle on the thin plate of circular hole side
The tapered indentations of " 0 " line mark；
Described phase detection device includes support shaft, hexahedron, plain washer and locking nut；Support shaft one end is with camshaft even
Connecing, the other end is used for hexahedral installation；Described hexahedron one end section is the platy structure of equilateral hexagon, hexagonal plate face
On be provided with three equally distributed waist-shaped holes of 60 °, centrally disposed useful circular hole；The other end is cylinder-like structure, in cylinder
The heart overlaps with hexagonal centre setting；Plain washer is arranged on cylinder end, the protection of end face when hexahedron is installed；Locking screw
Mother is standard component, is used for fastening hexahedron.Waist-shaped hole is used for adjusting hexahedron and alleviating hexahedral weight；
Described detection platform is rectangular platform, and platform is provided with V-shaped rest, the support when camshaft phase detects.
Concrete, described support shaft is connected in the support shaft of one end with camshaft and is provided with six sides, with hexagonal phase company be
The axle journal of support shaft.Six sides fastening when support shaft is installed, axle journal is used for hexahedral installation.
Concrete, described detection platform is 0 grade of platform of rectangle.
Concrete, described plain washer and locking nut are standard component.
This device in use, first needs inlet and outlet cam and the fuel cam of assembling, according to camshaft according to camshaft
The magnitude of interference requirement of assembling, carries out molded line and aperture grinding to cam.Then, chalker is put into the cam that grinding is good
On, edge aligns with cam, in the straight flange position of " 0 " line cone tank of chalker, marks fuel cam with scriber
" 0 " groove of (or admission cam, exhaust cam)；
After cam to be detected is heated, cam is installed on camshaft according to assembly mark, order, and makes on axle and cam
" 0 " groove aligns, and is left by hands after cam cools down on axle, holds tightly again；After cam cools down on camshaft completely, by convex
Wheel shaft is lifted on the V-arrangement face of the camshaft stand of detection platform.
Support shaft and camshaft adjustable wrench are fastened on camshaft, then, hexahedron are installed to the axle journal of support shaft
On, put plain washer, carry out pretension with locking nut.Dial gauge installs on dial framework, checks, eliminates on dial framework and measuring table
High point, dustiness, dial gauge is put on the big plane of cam and hexahedron, rotates camshaft and adjusts big plane and the copper rod percussion of cam
Hexahedral mounting hole.Make the big plane of cam parallel with detection platform with hexahedron any surface.Finally, next cam will be entered
Line phase detects, and phase contrast fastens less than locking nut spanner.Hexahedron is turned over 60 ° and arrives next plane, use percentage
Table 0.30mm.Detect other cam one by one according to the firing order of diesel engine, if cam is overproof, carry out convex by copper hammer
The correction of wheel phase place.
These technical schemes, the technical scheme including the technical scheme improved and improvement further can also be combined with each other
Or in conjunction with, thus reach superior technique effect.
By using technique scheme, the present invention has following beneficial effect: designs simple and reasonable for structure and is easy to
Make, save line time, the advantage such as easy to operate.At the scene in operating process, by this device, by simple step i.e.
" 0 " line of cam can be found, complete crossed process and the camshaft phase detection of complexity.When having reached the maintenance of shortening camshaft
Between, reduce labor intensity, improve accuracy purpose.
Accompanying drawing explanation
Fig. 1 is the assembling structural representation of this patent.
Fig. 2 is the structural representation of the chalker of this patent.
Fig. 3 is that the structure of the support of this patent is intended to.
Fig. 4 is that the hexahedral structure of this patent is intended to.
Fig. 5 is the left view of Fig. 4.
Fig. 6 is that the structure of the support shaft of this patent is intended to.
In figure: 1-camshaft, 2-chalker, 3-fuel cam, 4-admission cam, 5-exhaust cam, 6-hexahedron, 7-
Support shaft, 8-locking nut, 9-plain washer, 10-detection platform, 11-support, 12 axle journals, 13-six side.
Detailed description of the invention
Below in conjunction with the accompanying drawings this patent is further explained.But the protection domain of this patent is not limited to concrete enforcement
Mode.
Embodiment 1
As shown in figures 1 to 6, a kind of of this patent rules and the device of phase-detection for diesel engine cam, including chalker 2,
Phase detection device and detection platform 10；
2 thin-slab structures of chalker, profile is consistent with cam profile to be detected, is provided with circular hole in the middle part of thin plate, for drawing
Line apparatus 2 is arranged on camshaft 1；It is machined with for marking cam along the centrage of inside and outside circle on the thin plate of circular hole side
The tapered indentations of " 0 " line mark；
Phase detection device includes support shaft 7, hexahedron 6, plain washer 9 and locking nut 8；Support shaft 7 one end is with camshaft 1 even
Connecing, the other end is for the installation of hexahedron 6；Hexahedron 6 one end section is the platy structure of equilateral hexagon, on hexagonal plate face
It is provided with three equally distributed waist-shaped holes of 60 °, centrally disposed useful circular hole；The other end is cylinder-like structure, cylinder center
Overlap setting with hexagonal centre；Plain washer 9 is arranged on cylinder end, the protection of end face when hexahedron 6 is installed；Locking screw
Female 8 is standard component, is used for fastening hexahedron 6.Waist-shaped hole is for adjusting hexahedron 6 and alleviating the weight of hexahedron 6；Support shaft 7
Being connected in the support shaft 7 of one end with camshaft 1 and be provided with six sides 13, be connected with six sides 13 is the axle journal 12 of support shaft 7.Six sides
13 fastenings when support shaft 7 is installed, axle journal 12 is for the installation of hexahedron 6；
Detection platform 10 is 0 grade of platform of rectangle, and platform is provided with V-shaped rest 11, propping up when camshaft 1 phase-detection
Support.
The fuel cam 3 of assembling, admission cam 4, exhaust cam 5 and the magnitude of interference of cam assembling is needed according to camshaft 1
Requirement, carries out molded line and inner hole grinding processing to the cam needing assembling.Chalker 2 is put on the cam that grinding is good, four
Circumferential edges aligns with cam, on cam " 0 " the line straight flange position of chalker 2, marks fuel cam 3 with scriber or air inlet is convex
Wheel 4, " 0 " groove of exhaust cam 5.
By fuel cam 3(or admission cam 4, exhaust cam 5) it is put on electric induction heater and is heated to 150 ° of C, hands is worn
High temperature-proof glove, by the fuel cam 3(after heating or admission cam 4, exhaust cam 5) take off from electric induction heater, so
After, cam is installed on camshaft 1 according to assembly mark, order, and makes camshaft 1 align, when convex with " 0 " groove on cam
Wheel cool down on axle 1, hold tightly after again hands is left.
After cam cools down on camshaft 1 completely, camshaft 1 is lifted into the V of camshaft 1 support 11 of detection platform 10
On shape face.
Support shaft 7 end is screwed in the fine thread hole of camshaft 1 conical surface one end, is fastened on camshaft 1 with adjustable wrench,
Then, install to, on the axle journal 12 of support shaft 7, put plain washer 9 by the calibration reference annulus set of hexahedron 6, enter with locking nut 8
Row pretension.Dial gauge installs on dial framework, and the high point that check, eliminates on dial framework and measuring table 10, dustiness, dial gauge is put into fuel feeding
Cam 3(or admission cam 4, exhaust cam 5) on big plane and hexahedron 6, rotate camshaft 1 and adjust big plane and the copper of cam
Rod taps the mounting hole of hexahedron 6.Make the big plane of cam parallel with the detection datum level of detection platform 10 with hexahedron 6 any surface
Parallel.Finally, locking nut 8 is fastened with spanner.Hexahedron 6 is turned over 60 ° clockwise and arrives next plane, with dial gauge pair
Next fuel cam 3(or admission cam 4, exhaust cam 5) carry out phase-detection, phase contrast is less than 0.30mm.According to bavin
The firing order of oil machine detects other fuel cam 3(or admission cam 4, exhaust cam 5 one by one).If cam is overproof
Time, the correction of cam phase is carried out by copper hammer.
Claims (4)
1. for diesel engine cam line and a device for phase-detection, it is characterized in that: include chalker, phase-detection fills
Put and detection platform；
Described chalker position thin-slab structure, profile is consistent with cam profile to be detected, is provided with circular hole in the middle part of thin plate, and being used for will
Chalker is arranged on camshaft；It is machined with for marking cam along the centrage of inside and outside circle on the thin plate of circular hole side
The tapered indentations of " 0 " line mark；
Described phase detection device includes support shaft, hexahedron, plain washer and locking nut；Support shaft one end is with camshaft even
Connecing, the other end is used for hexahedral installation；Described hexahedron one end section is the platy structure of equilateral hexagon, hexagonal plate face
On be provided with three equally distributed waist-shaped holes of 60 °, centrally disposed useful circular hole；The other end is cylinder-like structure, in cylinder
The heart overlaps with hexagonal centre setting；Plain washer is arranged on cylinder end, the protection of end face when hexahedron is installed；Locking screw
Mother is standard component, is used for fastening hexahedron.Waist-shaped hole is used for adjusting hexahedron and alleviating hexahedral weight；
Described detection platform is rectangular platform, and platform is provided with V-shaped rest, the support when camshaft phase detects.
The most according to claim 1 for diesel engine cam line and the device of phase-detection, it is characterized in that: described support shaft
Be connected in the support shaft of one end with camshaft and be provided with six sides, with hexagonal phase even be the axle journal of support shaft.
The most according to claim 1 for diesel engine cam line and the device of phase-detection, it is characterized in that: described detection is put down
Platform is 0 grade of platform of rectangle.
The most according to claim 1 for diesel engine cam line and the device of phase-detection, it is characterized in that: described plain washer
It is standard component with locking nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610884507.7A CN106225652A (en) | 2016-10-11 | 2016-10-11 | A kind of for diesel engine cam line and the device of phase-detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610884507.7A CN106225652A (en) | 2016-10-11 | 2016-10-11 | A kind of for diesel engine cam line and the device of phase-detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106225652A true CN106225652A (en) | 2016-12-14 |
Family
ID=58076888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610884507.7A Pending CN106225652A (en) | 2016-10-11 | 2016-10-11 | A kind of for diesel engine cam line and the device of phase-detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106225652A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111152179A (en) * | 2020-01-17 | 2020-05-15 | 中信重工机械股份有限公司 | Method for optimizing trepanning and scribing of semicircular ring parts |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000008815A (en) * | 1998-06-16 | 2000-01-11 | Hyundai Motor Co Ltd | Device and method for measuring phase angle error of cam shaft for internal combustion engine |
| KR20060014091A (en) * | 2004-08-10 | 2006-02-15 | 주식회사이원정공 | Lot number marking device of cam shaft and marking mathod thereof |
| CN201093992Y (en) * | 2007-10-22 | 2008-07-30 | 重庆长安汽车股份有限公司 | Engine phase tray press-loading angle fast detecting tool |
| CN101564839A (en) * | 2009-06-04 | 2009-10-28 | 胜利油田胜利动力机械集团有限公司 | Lineation method for camshaft |
| CN201604149U (en) * | 2010-01-05 | 2010-10-13 | 海南洋浦田野丰兴精密部件有限公司 | Cam scribing block |
| CN102937405A (en) * | 2012-10-26 | 2013-02-20 | 中国北车集团大连机车车辆有限公司 | Camshaft phase angle detection method for large diesel engine |
| CN203203546U (en) * | 2013-04-02 | 2013-09-18 | 莱芜环球汽车零部件有限公司 | Camshaft phase angle error rapid determination detection apparatus |
| CN206056478U (en) * | 2016-10-11 | 2017-03-29 | 中车洛阳机车有限公司 | It is a kind of for diesel engine cam rule and phase-detection device |
-
2016
- 2016-10-11 CN CN201610884507.7A patent/CN106225652A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000008815A (en) * | 1998-06-16 | 2000-01-11 | Hyundai Motor Co Ltd | Device and method for measuring phase angle error of cam shaft for internal combustion engine |
| KR20060014091A (en) * | 2004-08-10 | 2006-02-15 | 주식회사이원정공 | Lot number marking device of cam shaft and marking mathod thereof |
| CN201093992Y (en) * | 2007-10-22 | 2008-07-30 | 重庆长安汽车股份有限公司 | Engine phase tray press-loading angle fast detecting tool |
| CN101564839A (en) * | 2009-06-04 | 2009-10-28 | 胜利油田胜利动力机械集团有限公司 | Lineation method for camshaft |
| CN201604149U (en) * | 2010-01-05 | 2010-10-13 | 海南洋浦田野丰兴精密部件有限公司 | Cam scribing block |
| CN102937405A (en) * | 2012-10-26 | 2013-02-20 | 中国北车集团大连机车车辆有限公司 | Camshaft phase angle detection method for large diesel engine |
| CN203203546U (en) * | 2013-04-02 | 2013-09-18 | 莱芜环球汽车零部件有限公司 | Camshaft phase angle error rapid determination detection apparatus |
| CN206056478U (en) * | 2016-10-11 | 2017-03-29 | 中车洛阳机车有限公司 | It is a kind of for diesel engine cam rule and phase-detection device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111152179A (en) * | 2020-01-17 | 2020-05-15 | 中信重工机械股份有限公司 | Method for optimizing trepanning and scribing of semicircular ring parts |
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Application publication date: 20161214 |
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| RJ01 | Rejection of invention patent application after publication |