CN104374296B - camshaft signal wheel angle detector - Google Patents
camshaft signal wheel angle detector Download PDFInfo
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- CN104374296B CN104374296B CN201410697571.5A CN201410697571A CN104374296B CN 104374296 B CN104374296 B CN 104374296B CN 201410697571 A CN201410697571 A CN 201410697571A CN 104374296 B CN104374296 B CN 104374296B
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- China
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- signal wheel
- camshaft signal
- locating piece
- keyway
- camshaft
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Abstract
The invention discloses a kind of camshaft signal wheel angle detector, including bottom plate and the first top bearing being successively set on bottom plate, vee-block and the second top bearing, it is top that second is provided with second top bearing, the groove of V-arrangement is offered at the top of vee-block, first top and the second locating piece is provided with first top bearing, the center hole being provided centrally with the first top cooperation of second locating piece, first is top, second locating piece and second top coaxial, the second top side of direction is provided with the keyway for accommodating the alignment pin on camshaft signal wheel to be measured on second locating piece.Using the device of the present invention, the angle of camshaft signal wheel can fast and accurately be measured, particularly the present invention replaces the dowel hole used in the prior art using keyway, so as to quickly and accurately positioning cam axis signal wheel, so as to significantly improve the efficiency of camshaft signal wheel angle detection.
Description
Technical field
Technical field is fabricated the present invention relates to signal wheel, and in particular to a kind of camshaft signal wheel angle detector.
Background technology
Camshaft is a part for engine valve actuating mechanism, is responsible for driving valve specially and opens and close on time, effect is
Ensure that timing is the fresh combustion mixture of cylinder inspiration to engine at work, and the waste gas after burning is discharged into vapour in time
Cylinder.Camshaft is very important part on engine, and it can influence the performance of whole engine, and installed in camshaft mandrel end
Signal wheel by with neighbouring phase detector cooperation, sensor gather distribution cam axle position signalling, pass through impression
The phase of camshaft signal wheel simultaneously passes to ECU.ECU is determined jointly by sensor signal and CMPS Camshaft Position Sensor signal
Engine air cylinder compression top center position.So as to carry out sequential fuel injection control, time of ignition control and detonation control.If cam
The signal teeth machining angle of axis signal disk is excessive or too small, is assembled to after engine, can cause actual port timing and theoretical value
It is not inconsistent, valve is turned on and off in advance.For example, intake advance angle is excessive, waste gas may flow into inlet manifold, subtract air inflow
It is few.Exhaust lag angle is excessive, then new gas may together be discharged in company with waste gas.These bad problems cause engine combustion not fill
Point, power moment of torsion does not reach requirement, influences engine performance.
Camshaft-position signal is additionally operable to identify the first time of ignition during engine start.As can be seen here by signal wheel load
Correct angle position is most important on camshaft.
Current existing camshaft signal wheel angle detector is positioned with dowel hole, and this positioning method efficiency is very
It is low, it is impossible to eliminate the tolerance of pinhole of camshaft position degree ± 0.05, when alignment pin is not placed into dowel hole, it can not just detect letter
Number wheel angle.
The content of the invention
The technical problems to be solved by the invention are to overcome the defect of existing location technology quickly to be positioned there is provided a kind of
Camshaft signal wheel angle detector, including bottom plate and the first top bearing, the vee-block and second being successively set on the bottom plate
It is provided with second top on top bearing, the second top bearing, the groove of V-arrangement is offered at the top of the vee-block, it is described
It is provided with first top and the second locating piece on first top bearing, second locating piece is provided centrally with and described first
The center hole of top cooperation, described first top and the second top two ends for being used to hold out against camshaft signal wheel to be measured, with treating
The signal wheel end for surveying camshaft signal wheel is correspondingly provided with dial gauge, and described first is top, the second locating piece and second top
Coaxially, it is provided with second locating piece towards the described second top side for accommodating on camshaft signal wheel to be measured
The keyway of alignment pin.
The keyway is engaged with the alignment pin on camshaft signal wheel to be measured, and in the keyway and the second locating piece
Heart circular hole insertion.
The depth of the keyway is more than the depth of the alignment pin.
The length of the keyway is more than 10.5mm.
The width of the keyway is more than the width of the alignment pin.
The vee-block is positioned close to the position of second locating piece.
It is provided with the bottom plate for fixing the described first top bearing, vee-block, dial gauge and the second top bearing
Groove.
Camshaft signal wheel angle detecting step is as follows：
S1, the big end of camshaft signal wheel to be measured is placed on vee-block；
S2, with the second top signal wheel end for holding out against camshaft signal wheel to be measured, while with first it is top hold out against it is to be measured convex
Take turns the big end of axis signal wheel；
S3, rotation camshaft signal wheel to be measured, until the alignment pin of camshaft signal wheel to be measured enters the keyway；
S4, fixed camshaft signal wheel to be measured；
S5, the gauge outfit of dial gauge is aligned with the detection faces of the signal wheel of camshaft signal wheel to be measured；
S6, the signal wheel with centimeter check camshaft signal wheel to be measured.
Key is mainly used in connection of the part on axle and axle such as between belt wheel, gear, plays a part of transmitting moment of torsion.Will
In keyway on key insertion axle, then by the gear with keyway on axle, when axle is rotated, because the presence of key, gear is just
With axle synchronous axial system, the purpose of transmission power is reached.
Using the device of the present invention, the angle of camshaft signal wheel can be fast and accurately measured, the particularly present invention makes
The dowel hole used in the prior art is replaced with keyway, so as to quickly and accurately positioning cam axis signal wheel, so that
The efficiency of camshaft signal wheel angle detection can be significantly improved.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art and advantage, below will be to implementing
The accompanying drawing used required in example or description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
Only it is some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the stereogram of camshaft signal wheel angle detector provided in an embodiment of the present invention；
Fig. 2 is the profile of camshaft signal wheel angle detector provided in an embodiment of the present invention；
Fig. 3 is the second top part sectioned view of camshaft signal wheel angle detector provided in an embodiment of the present invention；
Fig. 4 is the positioning block structure schematic diagram of camshaft signal wheel angle detector provided in an embodiment of the present invention；
Fig. 5 is the front view of the locating piece of camshaft signal wheel angle detector provided in an embodiment of the present invention；
Fig. 6 is the structural representation on camshaft signal wheel provided in an embodiment of the present invention；
In figure：1- bottom plates, the top bearings of 2- first, the locating pieces of 3- first, 4- activity push rods, 5- first is top, 6- supports
Block, the locating pieces of 7- second, 8-V shape blocks, 9- second is top, the top spacers of 10- second, 11- handles, the top bearings of 12- second,
13- shifting blocks, 14- shifting block steady pins, the top steady pins of 15- second, the top shifting blocks of 16- second, 17- handle steady pins, 18- percentages
Gauge stand, 19- lock sleeves, 20- handle alignment pins, 21- push rod spacers, 22- dial gauges, 100- camshaft signal wheels, 200- keyways,
300- alignment pins.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art obtained on the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
Embodiment：
Fig. 1-Fig. 6 is referred to, the embodiment of the present invention provides a kind of camshaft signal wheel angle detector quickly positioned, including
Bottom plate 1 and the first top bearing 2, the top bearing 12 of vee-block 8 and second being successively set on the bottom plate 1, second top
Second top 9 is provided with apical branch seat 12, the top of the vee-block 8 is offered on the groove of V-arrangement, the first top bearing 2
Be provided with the first top 5 and second locating piece 7, second locating piece 7 be provided centrally with and described first top 5 coordinates
Center hole, the described first top 5 and second top 9 two ends for holding out against camshaft signal wheel 100 to be measured, with cam to be measured
The signal wheel end of axis signal wheel 100 is correspondingly provided with dial gauge 22, described first top 5, the second locating piece 7 and second it is top
9 is coaxial, and the side on second locating piece 7 towards described second top 5 is provided with for accommodating camshaft signal wheel to be measured
The keyway 200 of alignment pin 300 on 100.
The keyway 200 is engaged with the alignment pin 300 on camshaft signal wheel 100 to be measured, and the keyway 200 and
The center hole insertion of two locating pieces 7.
The depth of the keyway 200 is more than the depth of the alignment pin 300.
The length of the keyway 200 is more than 10.5mm.
The width of the keyway 200 is more than the width of the alignment pin 300.
The vee-block 8 is positioned close to the position of second locating piece 7.
It is provided with the bottom plate 1 top for fixing the described first top bearing 2, vee-block 8, dial gauge 22 and second
The groove of bearing 12.
First top bearing 2 is fixed on bottom plate 1 by the first locating piece 3, and support block is additionally provided with the second locating piece 7
6, it is additionally provided with push rod spacer 21, the second top bearing 12 on the first top bearing 2 and is provided with handle 11, shifting block 13, handle
It is provided with steady pin 17, shifting block 13 on shifting block steady pin 14, second top 9 and is provided with the second top top of steady pin 15, second
Sharp shifting block 16, dial gauge 22 is fixed on bottom plate 1 by dial indicator holder 18, and lock sleeve 19, handle 11 are provided with second top 9
On be provided with handle alignment pin 20.
Camshaft signal wheel angle detecting step is as follows：
S1, the big end of camshaft signal wheel to be measured is placed on vee-block；
S2, with the second top signal wheel end for holding out against camshaft signal wheel to be measured, while with first it is top hold out against it is to be measured convex
Take turns the big end of axis signal wheel；
S3, rotation camshaft signal wheel to be measured, until the alignment pin of camshaft signal wheel to be measured enters the keyway；
S4, fixed camshaft signal wheel to be measured；
S5, the gauge outfit of dial gauge is aligned with the detection faces of the signal wheel of camshaft signal wheel to be measured；
S6, the signal wheel with centimeter check camshaft signal wheel to be measured.
Using the device of the present invention, the angle of camshaft signal wheel can be fast and accurately measured, the particularly present invention makes
The dowel hole used in the prior art is replaced with keyway, so as to quickly and accurately positioning cam axis signal wheel, so that
The efficiency of camshaft signal wheel angle detection can be significantly improved.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (6)
1. camshaft signal wheel angle detector, it is characterised in that including bottom plate (1) and be successively set on the bottom plate (1)
The second top is provided with first top bearing (2), vee-block (8) and the second top bearing (12), the second top bearing (12)
Offer that to be provided with first on the groove of V-arrangement, the first top bearing (2) top at the top of sharp (9), the vee-block (8)
(5) and the second locating piece (7), the center circle for being provided centrally with coordinating with described first top (5) of second locating piece (7)
Hole, first top (5) and second top (9) are used for the two ends for holding out against camshaft signal wheel (100) to be measured, with cam to be measured
The signal wheel end of axis signal wheel (100) is correspondingly provided with dial gauge (22), first top (5), the second locating piece (7) and
Coaxially, the side on second locating piece (7) towards described second top (5) is provided with and treated for receiving for second top (9)
The keyway (200) for the alignment pin (300) surveyed on camshaft signal wheel (100)；The keyway (200) and camshaft signal wheel to be measured
(100) alignment pin (300) on is engaged, and the center hole insertion of the keyway (200) and the second locating piece (7).
2. camshaft signal wheel angle detector according to claim 1, it is characterised in that the depth of the keyway (200)
More than the depth of the alignment pin (300).
3. camshaft signal wheel angle detector according to claim 1 or 2, it is characterised in that the length of the keyway (200)
Degree is more than 10.5mm.
4. camshaft signal wheel angle detector according to claim 3, it is characterised in that the width of the keyway (200)
More than the width of the alignment pin (300).
5. camshaft signal wheel angle detector according to claim 4, it is characterised in that the vee-block (8), which is arranged on, leans on
The position of nearly second locating piece (7).
6. camshaft signal wheel angle detector according to claim 4, it is characterised in that be provided with the bottom plate (1)
For fixing the described first top bearing (2), vee-block (8), dial gauge (22) and the groove of the second top bearing (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410697571.5A CN104374296B (en) | 2014-11-26 | 2014-11-26 | camshaft signal wheel angle detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410697571.5A CN104374296B (en) | 2014-11-26 | 2014-11-26 | camshaft signal wheel angle detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104374296A CN104374296A (en) | 2015-02-25 |
| CN104374296B true CN104374296B (en) | 2017-08-25 |
Family
ID=52553353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410697571.5A Active CN104374296B (en) | 2014-11-26 | 2014-11-26 | camshaft signal wheel angle detector |
Country Status (1)
| Country | Link |
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| CN (1) | CN104374296B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106643392B (en) * | 2016-12-26 | 2022-04-05 | 广西玉柴机器股份有限公司 | Camshaft cam is to pinhole position degree and is examined utensil |
| CN113154999B (en) * | 2021-05-12 | 2023-04-18 | 南京南传智能技术有限公司 | Relative angle measuring device of crankshaft part |
| CN115635294B (en) * | 2022-12-23 | 2023-04-18 | 潍柴动力股份有限公司 | Auxiliary assembly device of transmission shaft of fuel injection pump |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2862103B2 (en) * | 1991-08-02 | 1999-02-24 | 三菱マテリアル株式会社 | Camshaft cam mounting angle measuring device |
| KR100285495B1 (en) * | 1998-06-16 | 2002-02-19 | 정몽규 | Camshaft Phase Angle Measurement Apparatus and Method for Internal Combustion Engine |
| 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 |
| CN101556135B (en) * | 2009-05-19 | 2010-11-17 | 北京北内发动机零部件有限公司 | Detector for detecting angular orientation and depth of pinhole of camshaft |
| CN201724648U (en) * | 2010-05-24 | 2011-01-26 | 浙江吉利汽车研究院有限公司 | Engine crank axle and camshaft detection bracket |
| CN102252851B (en) * | 2011-06-29 | 2012-12-19 | 重庆银钢一通凸轮科技有限公司 | Tool special for checking cam shaft on line |
| CN103063106B (en) * | 2012-12-24 | 2016-04-06 | 安徽华菱汽车有限公司 | A kind of measurement frock of camshaft and measuring method |
| CN203550884U (en) * | 2013-09-23 | 2014-04-16 | 浙江吉利控股集团有限公司 | Signal plate angle gauge |
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2014
- 2014-11-26 CN CN201410697571.5A patent/CN104374296B/en active Active
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| CN104374296A (en) | 2015-02-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhu Jiaqian Inventor before: Qin Shiyong Inventor before: Zeng Xiaoming Inventor before: Tang Shuiping Inventor before: Li Jie |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170802 Address after: 224043 Dagang Town of Jiangsu province Yancheng City salt District Metallurgical Industrial Zone No. 8 Applicant after: Jiangsu Honghua special equipment Co., Ltd. Address before: 104 building 16, 545005 chicken Road, the Guangxi Zhuang Autonomous Region, Liuzhou Applicant before: LIUZHOU RUIMING WEILUO POWER MACHINERY CO., LTD. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |