CN204553683U - A kind of engine crankshaft balance shaft mechanism - Google Patents
A kind of engine crankshaft balance shaft mechanism Download PDFInfo
- Publication number
- CN204553683U CN204553683U CN201520028992.9U CN201520028992U CN204553683U CN 204553683 U CN204553683 U CN 204553683U CN 201520028992 U CN201520028992 U CN 201520028992U CN 204553683 U CN204553683 U CN 204553683U
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- CN
- China
- Prior art keywords
- gear
- balance shaft
- crankshaft
- radial line
- shaft
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of engine crankshaft balance shaft mechanism, comprise and be located at bent axle both sides and be installed on the first trunnion shaft be arranged in parallel in engine body and secondary balance shaft, and gear train structure, described gear train structure comprises camshaft timing gear, the first balance shaft gear, timing idle gear, secondary balance shaft gear, crankshaft gear, Injection Pump timing gear, described first trunnion shaft one end is provided with the first balance shaft gear driving described first trunnion shaft to rotate, and described first trunnion shaft is provided with equilibrium block; Described secondary balance shaft one end is provided with the secondary balance shaft gear driving described secondary balance shaft to rotate, and described secondary balance shaft is provided with equilibrium block; Described first balance shaft gear is meshed with described camshaft timing gear; Described secondary balance shaft gear is meshed with described timing idle gear.
Description
Technical field
The utility model relates to technical field of engines, particularly a kind of engine crankshaft balance shaft mechanism.
Background technique
Along with the raising that fast development and the people of automobile industry require car load travelling comfort, engine luggine and the noise problem because of vibration generation become the emphasis that engine design is paid close attention to day by day.
There is unbalanced two-stage reciprocating inertia force in in-line four cylinder layout crank-axle engine, produce the main cause of vibration, noise when being diesel engine work, the effective means producing the problems such as vibration, noise when balanced controls are and solve the work of in-line four cylinder diesel engine is installed.
Common a kind of engine crankshaft balance shaft structure is arranged in the oil sump of motor bottom, comprise and be fixed on actuation gear on bent axle and be positioned at the parts such as the double balance shaft that be arranged in parallel relative to crankshaft main journal below bent axle, its working principle is that bent axle driven gear carrys out driven equilibrium axle system.This situation can be found out, because trunnion shaft is arranged in the oil sump of motor bottom, adds the height of whole motor on the one hand, makes the structure of motor compact not; On the other hand, due to the increase of motor height, the part amplitude away from engine center is strengthened, add the possibility that part destroys.
Another kind of engine balance axle construction comprises bent axle and is located at the double balance shaft that bent axle side is arranged in parallel, and balance shaft gear is connected with crankshaft gear by intermediate gear, and position corresponding on trunnion shaft is respectively equipped with two pairs of equilibrium blocks.This scheme adopts two pairs of gear pair engagement driving, namely has four gears, therefore also exists that complex structure, cost are high, poor reliability, easily produces the problems such as noise.
Model utility content
The purpose of this utility model is the problems referred to above existed for prior art, proposes a kind of simple and reasonable, can the engine crankshaft balance shaft mechanism of balanced engine two-stage reciprocating inertia force, reduces costs, improves reliability.
The utility model solves the technological scheme that its technical problem adopts: a kind of engine crankshaft balance shaft mechanism, comprise and be located at bent axle both sides and be installed on the first trunnion shaft be arranged in parallel in engine body and secondary balance shaft, and gear train structure, described gear train structure comprises camshaft timing gear, first balance shaft gear, timing idle gear, secondary balance shaft gear, crankshaft gear, Injection Pump timing gear, it is characterized in that, described first trunnion shaft one end is provided with the first balance shaft gear driving described first trunnion shaft to rotate, described first trunnion shaft is provided with equilibrium block, described secondary balance shaft one end is provided with the secondary balance shaft gear driving described secondary balance shaft to rotate, and described secondary balance shaft is provided with equilibrium block, described first balance shaft gear is meshed with described camshaft timing gear, described secondary balance shaft gear is meshed with described timing idle gear.
Preferably, described camshaft timing gear, crankshaft gear, Injection Pump timing gear are meshed with described timing idle gear, and described first balance shaft gear is identical with secondary balance shaft gear rotational speed, are 2:1 with the rotating ratio of described crankshaft gear.
Preferably, the shaft axis of the first described balance shaft gear is positioned at the side of the vertical radial line of crankshaft gear, and the shaft axis of described secondary balance shaft gear is positioned at the opposite side of the vertical radial line of crankshaft gear.
Preferably, the vertical radial line of the first described balance shaft gear and the distance of the vertical radial line of crankshaft gear equal the distance between the vertical radial line of secondary balance shaft and the vertical radial line of bent axle.
Preferably, the horizontal radial line of the first described balance shaft gear and the distance of crankshaft gear horizontal radial line are greater than the horizontal radial line of secondary balance shaft gear and the distance of crankshaft gear horizontal radial line, further increase the flexibility that this Dual-shaft balance mechanism is arranged.
The beneficial effects of the utility model are: compared with prior art, the motor that this model utility provides
Balance shaft mechanism is arranged in body both sides, can reduce motor height, compact structure; This structure can reduce gear quantity, simplifies the internal structure of an organization, cost-saving, improves reliability.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is stereogram of the present utility model.
In figure 1, camshaft timing gear; 2, the first balance shaft gear; 3, the first trunnion shaft; 4, timing idle gear; 5, crankshaft gear; 6, secondary balance shaft gear; 7, secondary balance shaft; 8, Injection Pump timing gear; 9, engine body.
Embodiment
By reference to the accompanying drawings the utility model is further described now.These accompanying drawings only illustrate basic structure of the present utility model in a schematic way, and therefore it only shows the formation relevant with the utility model.
A kind of engine crankshaft balance shaft mechanism as depicted in figs. 1 and 2, comprises and is located at bent axle both sides and is installed on the first trunnion shaft 3 and secondary balance shaft 7 that are arranged in parallel in engine body 9; And gear train structure, described gear train structure comprises camshaft timing gear 1, first balance shaft gear 2, timing idle gear 4, secondary balance shaft gear 6, crankshaft gear 5, Injection Pump timing gear 8; The first balance shaft gear 2, first trunnion shaft 3 being provided with the rotation of drive first trunnion shaft 3 in first trunnion shaft 3 one end is provided with equilibrium block (not shown); Secondary balance shaft 7 one end is provided with the secondary balance shaft gear 6 driving secondary balance shaft 7 to rotate, and secondary balance shaft 7 is provided with equilibrium block; First balance shaft gear 2 is meshed with camshaft timing gear 6; Secondary balance shaft gear 6 is meshed with timing idle gear 4; Crankshaft gear 5 engages and drives timing idle gear 4, and timing idle gear 4 drives secondary balance shaft gear 6, camshaft timing gear 1 and crankshaft gear 5, and camshaft timing gear 1 drives the first balance shaft gear 2.First balance shaft gear 2 is identical with secondary balance shaft gear 6 rotating speed, is 2:1 with the rotating ratio of described crankshaft gear 5.The shaft axis of the first balance shaft gear 2 is positioned at the side of the vertical radial line of crankshaft gear 5, and the shaft axis of secondary balance shaft gear 6 is positioned at the opposite side of the vertical radial line of crankshaft gear 5; The distance of the vertical radial line of the first balance shaft gear 2 and the vertical radial line of crankshaft gear 5 equals vertical radial line and the distance of crankshaft gear 5 vertically between radial line of secondary balance shaft gear 6; The horizontal radial line of the first balance shaft gear 2 and the distance of crankshaft gear 5 horizontal radial line are greater than the horizontal radial line of secondary balance shaft gear 6 and the distance of crankshaft gear 5 horizontal radial line.
Above-mentioned mode of execution is only for illustrating technical conceive of the present utility model and feature; its object is to person skilled in the art can be understood content of the present utility model and be implemented; protection domain of the present utility model can not be limited with this; all equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed in protection domain of the present utility model.
Claims (5)
1. an engine crankshaft balance shaft mechanism, comprise and be located at bent axle both sides and be installed on the first trunnion shaft be arranged in parallel in engine body and secondary balance shaft, and gear train structure, described gear train structure comprises camshaft timing gear, the first balance shaft gear, timing idle gear, secondary balance shaft gear, crankshaft gear, Injection Pump timing gear, it is characterized in that, described first trunnion shaft one end is provided with the first balance shaft gear driving described first trunnion shaft to rotate, and described first trunnion shaft is provided with equilibrium block; Described secondary balance shaft one end is provided with the secondary balance shaft gear driving described secondary balance shaft to rotate, and described secondary balance shaft is provided with equilibrium block; Described first balance shaft gear is meshed with described camshaft timing gear; Described secondary balance shaft gear is meshed with described timing idle gear.
2. a kind of engine crankshaft balance shaft mechanism according to claim 1, it is characterized in that, described camshaft timing gear, crankshaft gear, Injection Pump timing gear are meshed with described timing idle gear, described first balance shaft gear is identical with secondary balance shaft gear rotational speed, is 2:1 with the rotating ratio of described crankshaft gear.
3. a kind of engine crankshaft balance shaft mechanism according to claim 1, it is characterized in that, the shaft axis of the first described balance shaft gear is positioned at the side of the vertical radial line of crankshaft gear, and the shaft axis of described secondary balance shaft gear is positioned at the opposite side of the vertical radial line of crankshaft gear.
4. a kind of engine crankshaft balance shaft mechanism according to claim 1 or 3, it is characterized in that, the vertical radial line of the first described balance shaft gear and the distance of the vertical radial line of crankshaft gear equal the distance between the vertical radial line of secondary balance shaft gear and the vertical radial line of crankshaft gear.
5. a kind of engine crankshaft balance shaft mechanism according to claim 1 or 3, it is characterized in that, the horizontal radial line of the first described balance shaft gear and the distance of crankshaft gear horizontal radial line are greater than the horizontal radial line of secondary balance shaft gear and the distance of crankshaft gear horizontal radial line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520028992.9U CN204553683U (en) | 2015-01-16 | 2015-01-16 | A kind of engine crankshaft balance shaft mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520028992.9U CN204553683U (en) | 2015-01-16 | 2015-01-16 | A kind of engine crankshaft balance shaft mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204553683U true CN204553683U (en) | 2015-08-12 |
Family
ID=53828798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520028992.9U Withdrawn - After Issue CN204553683U (en) | 2015-01-16 | 2015-01-16 | A kind of engine crankshaft balance shaft mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204553683U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104565196A (en) * | 2015-01-16 | 2015-04-29 | 常州常发动力机械有限公司 | Balancing shaft mechanism for engine crankshaft |
-
2015
- 2015-01-16 CN CN201520028992.9U patent/CN204553683U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104565196A (en) * | 2015-01-16 | 2015-04-29 | 常州常发动力机械有限公司 | Balancing shaft mechanism for engine crankshaft |
| CN104565196B (en) * | 2015-01-16 | 2016-06-29 | 江苏常发农业装备股份有限公司 | A kind of engine crankshaft balance shaft mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151218 Address after: 213176 Chang FA Industrial Park, Wujin Road, Wujin District, Jiangsu, Changzhou Patentee after: Jiangsu Changfa Agricultural Equipment Co., Ltd. Address before: 213176 Lijia Town, Jiangsu, Changzhou province Changzhou Chang Chang Power Machinery Co., Ltd. Patentee before: Changfa Power Machinery Co., Ltd., Changzhou City |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150812 Effective date of abandoning: 20160629 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |