CN201953472U - Back gear train of diesel engine - Google Patents
Back gear train of diesel engine Download PDFInfo
- Publication number
- CN201953472U CN201953472U CN2011200354493U CN201120035449U CN201953472U CN 201953472 U CN201953472 U CN 201953472U CN 2011200354493 U CN2011200354493 U CN 2011200354493U CN 201120035449 U CN201120035449 U CN 201120035449U CN 201953472 U CN201953472 U CN 201953472U
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- CN
- China
- Prior art keywords
- gear
- camshaft
- crankshaft
- diesel engine
- idle
- 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.)
- Expired - Fee Related
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- Gear Transmission (AREA)
Abstract
The utility model discloses a back gear train of a diesel engine. The back gear train comprises a crankshaft gear, a camshaft bull wheel, a camshaft pinion wheel, an oil injection pump gear, a hydraulic pump gear, an idle gear and an air compressor gear, wherein the crankshaft gear drives the camshaft bull wheel and the idle gear to rotate; the camshaft bull wheel drives the camshaft pinion wheel to rotate together; the camshaft pinion wheel drives the oil injection pump gear to rotate; the camshaft bull wheel also drives the hydraulic pump transmission gear to rotate at the same time; and the idle gear drives the air compressor gear to rotate. Through the back gear train, torsional vibration of a crankshaft can be effectively reduced; the vibration and the noise of the diesel engine are reduced; the freedom degree of arranging accessories at the front end of the diesel engine becomes higher; and convenience can be brought to multi-power output while the reliability of transmission is guaranteed at the same time.
Description
Technical field
The utility model belongs to field of internal combustion engine, relates to a kind of diesel engine train of gearings, relates in particular to the rear-mounted train of gearings of a kind of diesel engine.
Background technique
At present, on the various model diesel engines of Sheng Chaning, the train of gearings great majority that adopted are the front-located mode train of gearings at home.Adopt the diesel engine of front-located mode train of gearings, it is the free end that train of gearings is arranged in bent axle, the torsional vibration of its bent axle and the noise of complete machine are bigger, and it is bigger that the layout of diesel engine frontal attachments is subjected to spatial constraints, and clutch end only has a side at flywheel place to provide.The rear-mounted train of gearings of diesel engine using is compared with adopting the front-located mode train of gearings, can reduce the torsional vibration of bent axle effectively, reduces the vibration and the noise of diesel engine; Make the diesel engine front end arrange that the degrees of freedom of annex enlarges; When guaranteeing its reliable transmission, can also facilitate for many power outputs.
The model utility content
The purpose of this utility model is to provide a kind of compact structure, disposes rationally, can effectively reduce the rear-mounted train of gearings of diesel vibration and noise.
The utility model achieves the above object by the following technical programs: the rear-mounted train of gearings of diesel engine comprises fuel injection pump gear, oil hydraulic pump gear, camshaft small gear, camshaft gearwheel, crankshaft gear, idle gear, air compressor gear; It is characterized in that: crankshaft gear is meshed with camshaft gearwheel, idle gear respectively, the camshaft gearwheel is meshed with the oil hydraulic pump gear, idle gear is meshed with the air compressor gear, camshaft gearwheel and the coaxial assembling of camshaft small gear, and the camshaft small gear is meshed with fuel injection pump gear.
The centre distance A1 of its crankshaft gear and camshaft gearwheel is 170～174mm, and its horizontal equivalent A2 is 98～102mm; The centre distance B1 of camshaft small gear and fuel injection pump gear is 144～148mm, and the perpendicular distance B2 of fuel injection pump gear and crankshaft gear is 183～187mm; The centre distance C1 of camshaft gearwheel and oil hydraulic pump gear is 162～166mm, and the horizontal equivalent C2 of oil hydraulic pump gear and crankshaft gear is 233～237mm; The centre distance D1 of crankshaft gear and idle gear is 132～136mm, and the horizontal equivalent D2 of idle gear and crankshaft gear is 96～100mm; The centre distance E1 of idle gear and air compressor gear is 126～130mm, and the perpendicular distance E2 of air compressor gear and crankshaft gear is 125～129mm.
The utility model can reach following beneficial effect after adopting technique scheme: since diesel engine using rear-mounted train of gearings, can reduce the torsional oscillation of crankshaft of diesel engine effectively, reduce the vibration and the noise of diesel engine; Camshaft gear wheel not only drives camshaft and rotates under the driving of crankshaft gear, also as driving the idle gear transferring power that fuel injection pump gear rotates, guarantee the reliability of transmission; Under the situation that does not need air compressor or oil hydraulic pump, idle gear, air compressor gear or oil hydraulic pump gear can be installed, make gear structure simply and not influence its function; Simultaneously, can also facilitate, satisfy reaching the relevant supporting requirement that adapts under the different demand occasions for many power outputs.
Description of drawings
Accompanying drawing is the rear-mounted gear structure schematic representation of the utility model diesel engine.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further: as shown in drawings, the rear-mounted train of gearings of diesel engine comprises fuel injection pump gear 1, oil hydraulic pump gear 2, camshaft small gear 3, camshaft gearwheel 4, crankshaft gear 5, idle gear 6, air compressor gear 7; Crankshaft gear 5 is meshed with camshaft gearwheel 4, idle gear 6 respectively, camshaft gearwheel 4 is meshed with oil hydraulic pump gear 2, idle gear 6 is meshed with air compressor gear 7, and camshaft gearwheel 4 and the 3 coaxial assemblings of camshaft small gear, camshaft small gear 3 is meshed with fuel injection pump gear 1.
Its crankshaft gear 5 is 170～174mm with the centre distance A1 of camshaft gearwheel 4, and its horizontal equivalent A2 is 98～102mm; Camshaft small gear 3 is 144～148mm with the centre distance B1 of fuel injection pump gear 1, and fuel injection pump gear 1 is 183～187mm with the perpendicular distance B2 of crankshaft gear 5; Camshaft gearwheel 4 is 162～166mm with the centre distance C1 of oil hydraulic pump gear 2, and oil hydraulic pump gear 2 is 233～237mm with the horizontal equivalent C2 of crankshaft gear 5; Crankshaft gear 5 is 132～136mm with the centre distance D1 of idle gear 6, and idle gear 6 is 96～100mm with 5 horizontal equivalent D2 of crankshaft gear; Idle gear 6 is 126～130mm with the centre distance E1 of air compressor gear 7, and air compressor gear 7 is 125～129mm with the perpendicular distance E2 of crankshaft gear 5.
During work, crankshaft gear 5 drive cam shaft gearwheels 4 and idle gear 6 rotate, and camshaft gearwheel 4 drive camshaft small gears 3 rotate together, and camshaft small gear 3 drives fuel injection pump gears 2 and rotates, and camshaft gearwheel 4 also drives 2 rotations of oil hydraulic pump gear simultaneously; Idle gear 6 drives air compressor gear 7 and rotates.
Behind the diesel engine using such scheme, can reduce the torsional oscillation of crankshaft of diesel engine effectively, reduce the vibration and the noise of diesel engine, guarantee the reliability of transmission; Under the situation that does not need air compressor or oil hydraulic pump, idle gear 6, air compressor gear 7 or oil hydraulic pump gear 2 can also be installed, make gear structure simply and not influence its function.
Claims (2)
1. the rear-mounted train of gearings of diesel engine comprises fuel injection pump gear (1), oil hydraulic pump gear (2), camshaft small gear (3), camshaft gearwheel (4), crankshaft gear (5), idle gear (6), air compressor gear (7); It is characterized in that: crankshaft gear (5) is meshed with camshaft gearwheel (4), idle gear (6) respectively, camshaft gearwheel (4) is meshed with oil hydraulic pump gear (2), idle gear (6) is meshed with air compressor gear (7), camshaft gearwheel (4) is meshed with fuel injection pump gear (1) with the coaxial assembling of camshaft small gear (3), camshaft small gear (3).
2. the rear-mounted train of gearings of diesel engine according to claim 1 is characterized in that: crankshaft gear (5) is 170～174mm with the centre distance A1 of camshaft gearwheel (4), and its horizontal equivalent A2 is 98～102mm; Camshaft small gear (3) is 144～148mm with the centre distance B1 of fuel injection pump gear (1), and fuel injection pump gear (1) is 183～187mm with the perpendicular distance B2 of crankshaft gear (5); Camshaft gearwheel (4) is 162～166mm with the centre distance C1 of oil hydraulic pump gear (2), and oil hydraulic pump gear (2) is 233～237mm with the horizontal equivalent C2 of crankshaft gear (5); Crankshaft gear (5) is 132～136mm with the centre distance D1 of idle gear (6), and idle gear (6) is 96～100mm with the horizontal equivalent D2 of crankshaft gear (5); Idle gear (6) is 126～130mm with the centre distance E1 of air compressor gear (7), and air compressor gear (7) is 125～129mm with the perpendicular distance E2 of crankshaft gear (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200354493U CN201953472U (en) | 2011-02-10 | 2011-02-10 | Back gear train of diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200354493U CN201953472U (en) | 2011-02-10 | 2011-02-10 | Back gear train of diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201953472U true CN201953472U (en) | 2011-08-31 |
Family
ID=44497588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200354493U Expired - Fee Related CN201953472U (en) | 2011-02-10 | 2011-02-10 | Back gear train of diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201953472U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107795375A (en) * | 2017-11-10 | 2018-03-13 | 洛阳拖拉机研究所有限公司 | The diesel engine double-layered tooth train of high-pressure oil pump rotating speed switching can be achieved |
| CN110552796A (en) * | 2019-08-23 | 2019-12-10 | 一汽解放汽车有限公司 | Method for solving beat vibration of engine |
| CN110594013A (en) * | 2019-09-19 | 2019-12-20 | 潍柴动力股份有限公司 | Gear train and engine |
| CN113389638A (en) * | 2021-07-30 | 2021-09-14 | 广西玉柴机器股份有限公司 | Method capable of reducing gear noise and engine |
-
2011
- 2011-02-10 CN CN2011200354493U patent/CN201953472U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107795375A (en) * | 2017-11-10 | 2018-03-13 | 洛阳拖拉机研究所有限公司 | The diesel engine double-layered tooth train of high-pressure oil pump rotating speed switching can be achieved |
| CN110552796A (en) * | 2019-08-23 | 2019-12-10 | 一汽解放汽车有限公司 | Method for solving beat vibration of engine |
| CN110594013A (en) * | 2019-09-19 | 2019-12-20 | 潍柴动力股份有限公司 | Gear train and engine |
| CN113389638A (en) * | 2021-07-30 | 2021-09-14 | 广西玉柴机器股份有限公司 | Method capable of reducing gear noise and engine |
| CN113389638B (en) * | 2021-07-30 | 2024-03-12 | 广西玉柴机器股份有限公司 | Method capable of reducing gear noise and engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: FIRST TRACTOR CO., LTD. Free format text: FORMER OWNER: CHINA YITUO GROUP CO., LTD. Effective date: 20130715 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130715 Address after: 471039 No. 39, Xiyuan Road, Jianxi District, Henan, Luoyang Patentee after: First Tractor Co., Ltd. Address before: 471039 No. 39, Xiyuan Road, Jianxi District, Henan, Luoyang Patentee before: China Yituo Group Co., Ltd. |
|
| 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: 20110831 Termination date: 20200210 |