CN203394985U - Component integrated by crankshaft rotating speed signal gear ring and crankshaft - Google Patents
Component integrated by crankshaft rotating speed signal gear ring and crankshaft Download PDFInfo
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- CN203394985U CN203394985U CN201320390264.3U CN201320390264U CN203394985U CN 203394985 U CN203394985 U CN 203394985U CN 201320390264 U CN201320390264 U CN 201320390264U CN 203394985 U CN203394985 U CN 203394985U
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- gear ring
- signal gear
- crankshaft
- bent axle
- block structure
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Abstract
The utility model discloses a component integrated by a crankshaft rotating speed signal gear ring and a crankshaft and relates to the technical field of automobiles and the component is mainly used for fulfilling the aim of supplying a stable and reliable rotating speed signal to a crankshaft signal sensor on the premise that an engine arrangement space is not enlarged. The component comprises the crankshaft, wherein a balance block, which is closest to a speed changing box, on the crankshaft is connected with the signal gear ring and comprises an original block structure and a disc block structure which are connected with each other; the original block structure and the disc block structure are respectively connected with a connection rod neck and a main shaft neck; the signal gear ring is fixedly sleeved outside the disc block structure and is connected with the disc block structure. The component has the beneficial effects that the signal gear ring and the crankshaft can be integrated to form a firm whole, and the problem of looseness of mounting bolts or cracking of a signal disc caused by crankling of the crankshaft is solved. The signal gear ring is integrated in an engine cylinder body, so that the design requirement on an arrangement space outside an engine is reduced.
Description
Technical field
The utility model belongs to automobile technical field, relates to a kind of power assembly transmission system, particularly the integrated assembly of a kind of speed of crankshaft signal gear ring and bent axle.
Background technique
In order to make crankshaft-signal sensor obtain engine rotational speed signal, in Crankshaft System, need design that the part of speed of crankshaft signal can be provided, mainly contain at present following three kinds of designs:
As shown in Figure 1, the first is integrated signal dish 2 on flywheel 1, this flywheel 1 that is designed for automatic catch, conventionally adopt welding or riveting method that the signal panel made from impact style 2 are integrated on flywheel 1 assembly, for example, by rivet 3, signal panel 2 are fixed on flywheel 1, this class flywheel 1 is flexible flywheel, during work, because the effect existence of bent axle and torque converter is axially collected together and distortion, the signal stabilization that these class signal panel 2 provide is relatively poor.
As shown in Figure 2, the second is the signal panel 5 of installing between flywheel and bent axle rear flange 4, and these signal panel 5 are stamping part, and signal panel 5 outer rings provide tach signal by magnetization to speed probe.This class design can increase crankshaft rear end axial-radial size, motor rear end arrangement space is had to demand, in the application of the hybrid electric vehicles that get more and more from now on, while driving gearbox work due to electricity, have larger electromagnetic field simultaneously, so the design of sort signal dish 5 can not extensive use.
As shown in Figure 3, the third is the signal panel 7 of installing by bolt on the equilibrium block of bent axle 6, sort signal dish 7 is stamping part, conventionally by 3 conical surfaces, is bolted in the tapped hole 8 of bent axle 6 equilibrium block sides, and the signal teeth on signal panel 7 outer rings provides tach signal to speed probe.During due to bent axle 6 work, have torsional oscillation, easily there is mass deviation in the actual compacted position of the conical surface and the area of fixing bolt simultaneously, and this class design exists the risk of signal panel 7 crackings and bolt falling.
How to design a kind ofly can either provide reliable and stable tach signal, do not increase again the demand to engine arrangement space, and the firm structure of quality is the problem that those skilled in the art need to solve.
Model utility content
The purpose of this utility model is to provide a kind of speed of crankshaft signal gear ring and the integrated assembly of bent axle.This assembly can either provide reliable and stable tach signal, do not increase again the demand to engine arrangement space, and quality is firm.
For solving the problems of the technologies described above, the assembly that speed of crankshaft signal gear ring of the present utility model and bent axle are integrated, comprise bent axle, the equilibrium block that approaches most gearbox on described bent axle is connected with a signal gear ring, described equilibrium block comprises original block structure and the disc block structure being connected, described original block structure is connected with main journal with connecting rod neck respectively with disc block structure, and described signal gear ring is admittedly placed on described disc block structured outside and is connected with disc block structure.
Described signal gear ring, for the middle disk-like structure that runs through circular hole that is provided with, is evenly equipped with several external tooths on the outer circumferential face of described disk-like structure, the circumferential distance between first external tooth and last external tooth is the circumferential lengths of uniform two external tooths.
The level height at described original block structured top is greater than the level height at described disc block structured top, and described original block structure is partly original block casting lug thereon higher than disc block structured.
The bottom of described disc block structured the first side is provided with several duplicate removal holes.
The degree of depth in described duplicate removal hole and the wall thickness of connecting rod neck and the gap of required oil duct are suitable.
According to the first preferred embodiment of the present utility model, a side being connected with disc block structure of described original block casting lug thereon is provided with a locating stud, and the central point of described locating stud is vertical with horizontal plane with the line of described disc block structured central point.
The first side of described signal gear ring is provided with positioning hole, described positioning hole be arranged at described disk-like structure outer circumferential face and described in run through between the hole wall of circular hole.
The size of described positioning hole and the size of locating stud are suitable, and positioning hole is enclosed within on locating stud, and the second side of described signal gear ring contacts with original block structural plane.
The internal diameter of described signal gear ring is than the large 0.1mm of described disc block structured external diameter.
Described signal gear ring is fixedly connected on disc block structure and the mode being fixedly connected with is laser bonding.
According to the utility model the second preferred embodiment, the hole wall that runs through circular hole of described signal gear ring is provided with a draw-in groove.
Described signal gear ring and disc block structure are interference fit.
The magnitude of interference of described interference fit is 0.2-0.3mm.
It is outside that described signal gear ring is placed on described disc block structured admittedly, and the mode of described solid cover is hot jacket mode.
The gear ring of signal gear ring of the present utility model for making by gear hobbing, this signal gear ring can play the effect that speed of crankshaft signal is provided.
When the utility model adopts the assembly of the first preferred embodiment, signal gear ring is placed on the disc block structure of equilibrium block admittedly, and signal gear ring is fixedly connected on disc block structure and the mode being fixedly connected with is laser bonding.Because engine interior space is less, as adopt common welding, the projection of each crator easily interferes problem with engine cylinder-body, and the quality of common welding consumables is inhomogeneous simultaneously can increase crankshaft imbalance amount, and has cleanliness issues.Laser bonding has efficiency height and the good feature of welding quality, and the general weld seam compare little ， of laser bonding melting range is little.The internal diameter of described signal gear ring is than the large 0.1mm of described disc block structured external diameter.The distance of described 0.1mm is exactly the region of laser bonding.Meanwhile, the connection of positioning hole and locating stud is the phase place for framing signal gear ring.
When the utility model adopts the assembly of the second preferred embodiment, signal gear ring is installed to after the disc block structure of equilibrium block by hot jacket mode, can form with the disc block structure of equilibrium block evenly sufficient magnitude of interference, thereby form firm stationary state.
During due to hot jacket there is during contraction in signal gear ring internal diameter, so can not adopt the phase place of locating stud control signal gear ring, on signal gear ring, draw-in groove is set, for coordinating signal gear ring is installed to equilibrium block along correct phase with heating jacket tooling so adopt.Described signal gear ring and disc block structure are interference fit, and the concrete numerical value of the magnitude of interference of described interference fit need to be tested confirmation by pulling-out force.
The utility model is in order to ensure respectively turning dynamically balanced requirement on bent axle, equilibrium block on bent axle removes with the part of signal gear ring internal diameter faying surface as having adopted disc block structure, equilibrium block on all the other bent axles is still unsymmetrical balance shape, in the bottom of disc block structured the first side, be provided with several duplicate removal holes, reach the designing requirement of crankshaft dynamic balance simultaneously.
The beneficial effects of the utility model are:
1, make signal gear ring be integrated into a firmly integral body with bent axle, avoid the problem that construction bolt is loosening or signal panel ftracture causing due to bent axle bending.
2, signal gear ring is integrated in engine cylinder-body inside, has reduced the design requirement to external engine arrangement space.
3, the utility model can be applicable to middle strong type hybrid electric vehicle, and the situation of avoiding electricity to drive gearbox work influence of magnetic field tach signal occurs.
Accompanying drawing explanation
Fig. 1 be existing on flywheel the structural representation of integrated signal dish;
Fig. 2 is the structural representation of the existing signal panel of installing between flywheel and bent axle rear flange;
Fig. 3 is existing structural representation signal panel are installed by bolt on the equilibrium block of bent axle before;
Fig. 4 is existing structural representation signal panel are installed by bolt on the equilibrium block of bent axle after
Fig. 5 is the positive perspective view that embodiment 1 installs before signal gear ring;
Fig. 6 is the positive perspective view that embodiment 1 installs after signal gear ring;
Fig. 7 is the reverse side perspective view that embodiment 1 installs before signal gear ring;
Fig. 8 is the reverse side perspective view that embodiment 1 installs after signal gear ring;
Fig. 9 is the side structure schematic diagram that embodiment 1 installs before signal gear ring;
Figure 10 is the side structure schematic diagram that embodiment 1 installs after signal gear ring;
Figure 11 is that embodiment 1 equilibrium block is installed the positive perspective view before signal gear ring;
Figure 12 is that embodiment 1 equilibrium block is installed the reverse side perspective view before signal gear ring;
Figure 13 is the perspective view of embodiment 1 signal gear ring;
Figure 14 is the positive perspective view before embodiment 2 installation signal gear ring; ;
Figure 15 is the positive perspective view after embodiment 2 installation signal gear ring; ;
Figure 16 is the perspective view of embodiment 2 signal gear ring;
Description of reference numerals in the integrated assembly accompanying drawing of the utility model speed of crankshaft signal gear ring and bent axle:
1-flywheel 2-signal panel 3-rivet
4-bent axle rear flange 5-signal panel 6-bent axle
7-signal panel 8-tapped hole
11-bent axle 12-equilibrium block 13-signal gear ring
14-original block structure 15-disc block structure 16-connecting rod neck
17-main journal 18-external tooth 181-the first external tooth
Last external tooth 19-original block casting lug thereon 20-duplicate removal hole of 182-
21-locating stud 22-positioning hole
31-signal gear ring 32-draw-in groove 33-disc-shaped structure
embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, wherein in institute's drawings attached, identical label represents same or similar parts.In addition it should be noted that the pattern of these accompanying drawings for simplifying, only from understanding angle easily, concrete enforcement structure of the present utility model is shown.
As shown in Fig. 5 to Figure 13, the assembly that the utility model speed of crankshaft signal gear ring and bent axle are integrated, comprise bent axle 11, the equilibrium block 12 that approaches most gearbox on described bent axle 11 is connected with a signal gear ring 13, described equilibrium block 12 comprises original block structure 14 and the disc block structure 15 being connected, described original block structure 14 is connected with main journal 17 with connecting rod neck 16 respectively with disc block structure 15, and described signal gear ring 13 is admittedly placed on the outside of described disc block structure 15 and is connected with disc block structure 15.
Described signal gear ring 13 is the middle disk-like structure that runs through circular hole that is provided with, on the outer circumferential face of described disk-like structure, be evenly equipped with several external tooths 18, the circumferential distance between first external tooth 181 and last external tooth 182 is the circumferential lengths of uniform two external tooths 18.
The level height at described original block structure 14 top is greater than the level height at described disc block structure 15 top, and described original block structure 14 is original block casting lug thereon 19 higher than the part of disc block structure 15.
The bottom of the first side of described disc block structure 15 is provided with several duplicate removal holes 20.
The degree of depth in described duplicate removal hole 20 and the wall thickness of connecting rod neck 16 and the gap of required oil duct are suitable.
A side being connected with disc block structure 15 of described original block casting lug thereon 19 is provided with a locating stud 21, and the central point of described locating stud 21 is vertical with horizontal plane with the line of the central point of described disc block structure 15.
The first side of described signal gear ring 13 is provided with positioning hole 22, described positioning hole 22 be arranged at described disk-like structure outer circumferential face and described in run through between the hole wall of circular hole.
The size of the size of described positioning hole 22 and locating stud 21 is suitable, and positioning hole 22 is enclosed within on locating stud 21, and the second side of described signal gear ring 13 contacts with 14, original block structure.
The internal diameter of described signal gear ring 13 is than the large 0.1mm of the external diameter of described disc block structure 15.
Described signal gear ring 13 is fixedly connected on disc block structure 15 and the mode being fixedly connected with is laser bonding.
Described signal gear ring 13 adopts 45 steel or 35 steel.
Described bent axle 11 adopts forged steel.
The gear ring of the signal gear ring 13 of this assembly for making by gear hobbing, this signal gear ring 13 can play the effect that bent axle 11 tach signals are provided.
When adopting the assembly of the present embodiment, signal gear ring 13 is placed on the disc block structure 15 of equilibrium block 12 admittedly, and signal gear ring 13 is fixedly connected on disc block structure 15 and the mode being fixedly connected with is laser bonding.Because engine interior space is less, as adopt common welding, the projection of each crator easily interferes problem with engine cylinder-body, and the quality of common welding consumables is inhomogeneous simultaneously can increase bent axle 11 amount of unbalance, and have cleanliness issues.Laser bonding is applicable to the welding between same material, is mainly the welding between steel and steel.Laser bonding has efficiency height and the good feature of welding quality, and the general weld seam compare little ， of laser bonding melting range is little.The internal diameter of described signal gear ring 13 is than the large 0.1mm of the external diameter of described disc block structure 15.The distance of described 0.1mm is exactly the region of laser bonding.Meanwhile, the connection of positioning hole 22 and locating stud 21 is the phase places for framing signal gear ring 13.
This assembly is in order to ensure respectively turning dynamically balanced requirement on bent axle 11, equilibrium block 12 on bent axle 11 removes with the part of signal gear ring 13 internal diameter faying surfaces as having adopted disc block structure 15, equilibrium block 12 on all the other bent axles 11 is still unsymmetrical balance shape, while is provided with several duplicate removal holes 20 in the bottom of the first side of disc block structure 15, reaches the dynamically balanced designing requirement of bent axle 11.
Embodiment 2
As shown in Figure 14 to Figure 16, the present embodiment and embodiment's 1 difference is, the hole wall that runs through circular hole of described signal gear ring 31 is provided with a draw-in groove 32.
Described signal gear ring 31 is interference fit with disc block structure.
The magnitude of interference of described interference fit is 0.2-0.3mm.
The magnitude of interference of described interference fit is 1/1000 of signal gear ring internal diameter.
It is outside that described signal gear ring 31 is placed on described disc block structured admittedly, and the mode of described solid cover is hot jacket mode.
Described signal gear ring 31 adopts 45 steel or 35 steel.
Described bent axle adopts spheroidal graphite cast iron or forged steel.
When adopting the assembly of the present embodiment, signal gear ring 31 is installed to by hot jacket mode after the disc block structure of equilibrium block, can form with the disc block structure of equilibrium block evenly magnitude of interference fully, thereby form firm stationary state.
During due to hot jacket there is during contraction in signal gear ring 31 internal diameters, so can not adopt the phase place of locating stud control signal gear ring 31, so adopt draw-in groove 32 be set on signal gear ring 31, for coordinating signal gear ring 31 is installed to equilibrium block along correct phase with heating jacket tooling.Described signal gear ring 31 is interference fit with disc block structure, and the concrete numerical value of the magnitude of interference of described interference fit need to be tested confirmation by pulling-out force.
This assembly increases welding or the operation of hot jacket before bent axle machining line dynamic balancing operation, do subsequently clean, dynamic balancing, signal gear ring and bent axle is integrated.The Integrated design of signal gear ring and bent axle can increase considerably design strength with respect to classical signal dish, the problem of avoiding signal panel cracking or coming off.Assurance simultaneously does not affect the application of arrangement space and the mixed power project of engine body outside.
Claims (10)
1. the integrated assembly of speed of crankshaft signal gear ring and bent axle, comprise bent axle, it is characterized in that, the equilibrium block that approaches most gearbox on described bent axle is connected with a signal gear ring, described equilibrium block comprises original block structure and the disc block structure being connected, described original block structure is connected with main journal with connecting rod neck respectively with disc block structure, and described signal gear ring is admittedly placed on described disc block structured outside and is connected with disc block structure.
2. the integrated assembly of speed of crankshaft signal gear ring according to claim 1 and bent axle, it is characterized in that, described signal gear ring is the middle disk-like structure that runs through circular hole that is provided with, on the outer circumferential face of described disk-like structure, be evenly equipped with several external tooths, the circumferential distance between first external tooth and last external tooth is the circumferential lengths of uniform two external tooths.
3. the integrated assembly of speed of crankshaft signal gear ring according to claim 2 and bent axle, it is characterized in that, the level height at described original block structured top is greater than the level height at described disc block structured top, and described original block structure is partly original block casting lug thereon higher than disc block structured.
4. the integrated assembly of speed of crankshaft signal gear ring according to claim 3 and bent axle, it is characterized in that, a side being connected with disc block structure of described original block casting lug thereon is provided with a locating stud, and the central point of described locating stud is vertical with horizontal plane with the line of described disc block structured central point;
The first side of described signal gear ring is provided with positioning hole, described positioning hole be arranged at described disk-like structure outer circumferential face and described in run through between the hole wall of circular hole;
The size of described positioning hole and the size of described locating stud are suitable, and described positioning hole is enclosed within on described locating stud, and the second side of described signal gear ring contacts with original block structural plane.
5. the integrated assembly of speed of crankshaft signal gear ring according to claim 4 and bent axle, is characterized in that, the internal diameter of described signal gear ring is than the large 0.1mm of described disc block structured external diameter.
6. the integrated assembly of speed of crankshaft signal gear ring according to claim 5 and bent axle, is characterized in that, described signal gear ring is fixedly connected on disc block structure and the mode being fixedly connected with is laser bonding.
7. the integrated assembly of speed of crankshaft signal gear ring according to claim 3 and bent axle, is characterized in that, the hole wall that runs through circular hole of described signal gear ring is provided with a draw-in groove.
8. the integrated assembly of speed of crankshaft signal gear ring according to claim 7 and bent axle, is characterized in that, described signal gear ring and disc block structure are interference fit.
9. the integrated assembly of speed of crankshaft signal gear ring according to claim 8 and bent axle, is characterized in that, it is outside that described signal gear ring is placed on described disc block structured admittedly, and the mode of described solid cover is hot jacket mode.
10. the integrated assembly of speed of crankshaft signal gear ring according to claim 1 and bent axle, is characterized in that, the bottom of described disc block structured the first side is provided with several duplicate removal holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320390264.3U CN203394985U (en) | 2013-07-02 | 2013-07-02 | Component integrated by crankshaft rotating speed signal gear ring and crankshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320390264.3U CN203394985U (en) | 2013-07-02 | 2013-07-02 | Component integrated by crankshaft rotating speed signal gear ring and crankshaft |
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| Publication Number | Publication Date |
|---|---|
| CN203394985U true CN203394985U (en) | 2014-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320390264.3U Expired - Fee Related CN203394985U (en) | 2013-07-02 | 2013-07-02 | Component integrated by crankshaft rotating speed signal gear ring and crankshaft |
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| CN (1) | CN203394985U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351088A (en) * | 2015-11-12 | 2016-02-24 | 广西科技大学鹿山学院 | FSAE racing engine rotor and manufacturing method thereof |
| CN112648075A (en) * | 2020-12-23 | 2021-04-13 | 重庆隆鑫通航发动机制造有限公司 | Integrated rotating speed fluted disc and engine |
| CN115446559A (en) * | 2022-10-10 | 2022-12-09 | 四川飞亚动力科技股份有限公司 | Crankshaft machining process |
-
2013
- 2013-07-02 CN CN201320390264.3U patent/CN203394985U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351088A (en) * | 2015-11-12 | 2016-02-24 | 广西科技大学鹿山学院 | FSAE racing engine rotor and manufacturing method thereof |
| CN105351088B (en) * | 2015-11-12 | 2017-12-19 | 广西科技大学鹿山学院 | A kind of FSAE racing engines rotor and preparation method thereof |
| CN112648075A (en) * | 2020-12-23 | 2021-04-13 | 重庆隆鑫通航发动机制造有限公司 | Integrated rotating speed fluted disc and engine |
| CN115446559A (en) * | 2022-10-10 | 2022-12-09 | 四川飞亚动力科技股份有限公司 | Crankshaft machining process |
| CN115446559B (en) * | 2022-10-10 | 2024-02-20 | 四川飞亚动力科技股份有限公司 | Crankshaft machining process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140115 Termination date: 20210702 |