CN204186471U - The engine gear system that a kind of gear is all rearmounted - Google Patents
The engine gear system that a kind of gear is all rearmounted Download PDFInfo
- Publication number
- CN204186471U CN204186471U CN201420477507.1U CN201420477507U CN204186471U CN 204186471 U CN204186471 U CN 204186471U CN 201420477507 U CN201420477507 U CN 201420477507U CN 204186471 U CN204186471 U CN 204186471U
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- CN
- China
- Prior art keywords
- gear
- camshaft
- air compressor
- wheel
- crankshaft
- Prior art date
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- Expired - Fee Related
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Abstract
The engine gear system that the utility model provides a kind of gear all rearmounted, comprise crankshaft gear, compound idle gear, camshaft gear wheel, hydraulic pump gear, air compressor gear and gear of fuel pump, its crankshaft gear, compound idle gear, camshaft gear wheel, hydraulic pump gear, air compressor gear and gear of fuel pump are all arranged in rear end of the cylinder block, and crankshaft gear is by compound idle gear driving cam shaftgear; Driven hydraulic pump gear by camshaft gear wheel, driven air compressor gear; Camshaft gear wheel drives gear of fuel pump by idle gear; Compound idle gear is fixed on cylinder body, and camshaft gear wheel is connected with the camshaft in cylinder body, and hydraulic pump gear, air compressor gear, idle gear, gear of fuel pump are arranged on backgear room.Described crankshaft gear and the speed ratio of hydraulic pump gear are 1:1.16; The speed ratio of crankshaft gear and air compressor gear is 1:0.94; The speed ratio of crankshaft gear and gear of fuel pump is 1:1.Engine gear of the present utility model is all placed in rear end of the cylinder block, realizes the driving to air compressor, oil hydraulic pump, fuel pump by camshaft gear wheel.
Description
Technical field
The utility model belongs to communications and transportation/highway transport/automotive engineering/technical field of automobile engine, is specifically related to the engine gear system that a kind of gear is all rearmounted.
Background technique
At present, east wind Cummins Engine is mainly used in heavy truck market.In order to meet the demand of OEM arrangement and transmission speed ratio, need to develop a kind of brand-new engine gear system, gear is all arranged in engine rear end, to obtain compacter gear structure, the space layout more optimized, thus meet the requirement of OEM in layout, transmission etc., mate with equipment better.
Summary of the invention
The purpose of this utility model is the demand in order to meet OEM arrangement and transmission speed ratio, the engine gear system that a kind of gear is all rearmounted.
The technical solution of the utility model is as follows: all rearmounted engine gear system of gear of the present utility model comprises crankshaft gear, compound idle gear, camshaft gear wheel, hydraulic pump gear, air compressor gear and gear of fuel pump, its crankshaft gear, compound idle gear, camshaft gear wheel hydraulic pump gear, air compressor gear and gear of fuel pump all arrange rear end of the cylinder block, and crankshaft gear is by compound idle gear driving cam shaftgear; Driven hydraulic pump gear by camshaft gear wheel, driven air compressor gear; Camshaft gear wheel drives gear of fuel pump by idle gear; Compound idle gear is fixed on cylinder body, and camshaft gear wheel is connected with the camshaft in cylinder body, and hydraulic pump gear, air compressor gear, idle gear, gear of fuel pump are arranged on backgear room.
Described crankshaft gear and the speed ratio of hydraulic pump gear are 1:1.16; The speed ratio of crankshaft gear and air compressor gear is 1:0.94; The speed ratio of crankshaft gear and gear of fuel pump is 1:1.
Described hydraulic pump gear is in the upper right of camshaft gear wheel; Air compressor gear in the left side of camshaft gear wheel, the position parallel with camshaft gear wheel; Idle gear is in the left bottom of camshaft gear wheel; Gear of fuel pump is in the left bottom of idle gear.
Technique effect of the present utility model is as follows:
The position of air compressor and oil hydraulic pump moves on to rear end by motor head, the driving to hydraulic pump gear, air compressor gear, gear of fuel pump is realized by camshaft gear wheel, integrated arrangement makes engine gear system compacter, space utilization is more reasonable, the lubrication environment of train of gearings is better, meets the demand of OEM arrangement and transmission speed ratio; Eliminate the front end gear train/part comprising camshaft front gear, front end idle pulley, front gear room, simplify engine part kind and quantity, reduce costs, promote reliability.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the rear view of Fig. 1.
Fig. 3 is stereogram.
Wherein:
1-crankshaft gear, 2-compound idle gear, 3-camshaft gear wheel, 4-hydraulic pump gear, 5-air compressor gear, 6-idle gear, 7-gear of fuel pump, 8-cylinder body, 9-bent axle.
Embodiment
Below in conjunction with example, the utility model is further described.
Fig. 1, Fig. 2, Fig. 3 are the examples of all rearmounted engine gear system of a kind of gear of the present utility model, comprise crankshaft gear 1, compound idle gear 2, camshaft gear wheel 3, hydraulic pump gear 4, air compressor gear 5 and gear of fuel pump 7, its crankshaft gear 1, compound idle gear 2, hydraulic pump gear 4, air compressor gear 5 and gear of fuel pump 7 are all arranged in rear end of the cylinder block, and crankshaft gear 1 is by compound idle gear 2 driving cam shaftgear 3; Driven hydraulic pump gear 4 by camshaft gear wheel 3, driven air compressor gear 5; Camshaft gear wheel 3 drives gear of fuel pump 7 by idle gear 6; Compound idle gear 2 is fixed on cylinder body 8, and camshaft gear wheel 3 is connected with the camshaft in cylinder body, and hydraulic pump gear 4, air compressor gear 5, idle gear 6, gear of fuel pump 7 are arranged on backgear room.9 is bent axles.
Described crankshaft gear 1 is 1:1.16 with the speed ratio of hydraulic pump gear 4; Crankshaft gear 1 is 1:0.94 with the speed ratio of air compressor gear 5; Crankshaft gear 1 is 1:1 with the speed ratio of gear of fuel pump 7.
Described hydraulic pump gear 4 is in the upper right of camshaft gear wheel 3; Air compressor gear 5 in the left side of camshaft gear wheel 3, the position parallel with camshaft gear wheel 3; Idle gear 6 is in the left bottom of camshaft gear wheel (3); Gear of fuel pump 7 is in the left bottom of idle gear 6.
Motor of the present utility model adopts gear to be all placed in the compact Layout of rear end, camshaft gear wheel engages with air compressor gear, hydraulic pump gear, idle gear respectively, idle gear engages with gear of fuel pump, Engine torque is delivered to air compressor gear, hydraulic pump gear, gear of fuel pump by camshaft gear wheel and idle gear, realizes the driving to air compressor, oil hydraulic pump, fuel pump.
Claims (3)
1. the engine gear system that a gear is all rearmounted, comprise crankshaft gear (1), compound idle gear (2), camshaft gear wheel (3), hydraulic pump gear (4), air compressor gear (5) and gear of fuel pump (7), it is characterized in that: crankshaft gear (1), camshaft gear wheel (3), compound idle gear (2), hydraulic pump gear (4), air compressor gear (5) and gear of fuel pump (7) all arrange rear end of the cylinder block, and crankshaft gear (1) is by compound idle gear (2) driving cam shaftgear (3); Driven hydraulic pump gear (4) by camshaft gear wheel (3), driven air compressor gear (5); Camshaft gear wheel (3) drives gear of fuel pump (7) by idle gear (6); Compound idle gear (2) is fixed on cylinder body (8), camshaft gear wheel (3) is connected with the camshaft in cylinder body, and hydraulic pump gear (4), air compressor gear (5), idle gear (6), gear of fuel pump (7) are arranged on backgear room.
2. the engine gear system that gear according to claim 1 is all rearmounted, is characterized in that: crankshaft gear (1) is 1:1.16 with the speed ratio of hydraulic pump gear (4); Crankshaft gear (1) is 1:0.94 with the speed ratio of air compressor gear (5); Crankshaft gear 1 is 1:1 with the speed ratio of gear of fuel pump (7).
3. the engine gear system that gear according to claim 1 is all rearmounted, is characterized in that: hydraulic pump gear (4) is in the upper right of camshaft gear wheel (3); Air compressor gear (5) in the left side of camshaft gear wheel (3), the position parallel with camshaft gear wheel (3); Idle gear (6) is in the left bottom of camshaft gear wheel (3); Gear of fuel pump (7) is in the left bottom of idle gear (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420477507.1U CN204186471U (en) | 2014-08-22 | 2014-08-22 | The engine gear system that a kind of gear is all rearmounted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420477507.1U CN204186471U (en) | 2014-08-22 | 2014-08-22 | The engine gear system that a kind of gear is all rearmounted |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204186471U true CN204186471U (en) | 2015-03-04 |
Family
ID=52618481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420477507.1U Expired - Fee Related CN204186471U (en) | 2014-08-22 | 2014-08-22 | The engine gear system that a kind of gear is all rearmounted |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204186471U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821593A (en) * | 2018-08-10 | 2020-02-21 | 康明斯公司 | Gear train for internal combustion engine system |
-
2014
- 2014-08-22 CN CN201420477507.1U patent/CN204186471U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821593A (en) * | 2018-08-10 | 2020-02-21 | 康明斯公司 | Gear train for internal combustion engine system |
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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 |
Granted publication date: 20150304 Termination date: 20170822 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |