CN101963110B - Gear chamber structure of diesel engine - Google Patents
Gear chamber structure of diesel engine Download PDFInfo
- Publication number
- CN101963110B CN101963110B CN2010105264690A CN201010526469A CN101963110B CN 101963110 B CN101963110 B CN 101963110B CN 2010105264690 A CN2010105264690 A CN 2010105264690A CN 201010526469 A CN201010526469 A CN 201010526469A CN 101963110 B CN101963110 B CN 101963110B
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- gear
- idle
- hole
- gear chamber
- idle gear
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
- F02B67/04—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
- F02F7/0073—Adaptations for fitting the engine, e.g. front-plates or bell-housings
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The invention relates to a gear chamber structure of a diesel engine, and belongs to the field of engine power devices. The gear chamber structure comprises a gear chamber bottom plate, a gear train, a gear chamber cover, a cylinder head and an engine body, and is characterized in that: the gear chamber bottom plate is connected with the cylinder head through the engine body; the gear train is arranged at the front end of the gear chamber bottom plate through a hole on the gear chamber bottom plate; the gear chamber cover covers the gear train and is locked on the gear chamber bottom plate; and a crankshaft timing gear, an oil pump gear, a camshaft gear, a first idle gear, a water pump gear, a second idle gear, a third idle gear, a fourth idle gear and a fuel injection pump gear are arranged in the gear train. The gear chamber structure is simple, compact, reasonable and practical; the overall structure of the engine is simplified; the fuel injection pump gear and the camshaft gear are convenient to replace; a fuel supply advance angle is convenient to adjust and the top dead center of the engine is convenient to correct; the strength of the gear chamber cover is increased; gear noise in a gear chamber and external vibration of the gear train are reduced; and convenience is provided for the daily maintenance of the whole engine.
Description
Technical field
The present invention relates to a kind of train of gearings and gear chamber structure of diesel engine, belong to the engine power assembly field.
Background technique
In prior art, gear chamber has partly comprised the train of gearings of each system's transmission in the motor, guarantees the proper functioning of motor.The direct driving machine oil pump gear of crankshaft timing gear drives water pump gear, fuel injection pump gear and camshaft gear wheel respectively through several idle gears simultaneously in the train of gearings.Through certain gear ratio between the gear, guaranteed the harmonious work of cooling system, oil-fired system and the distribution device of motor.The layout of train of gearings directly has influence on the function of other parts of gear chamber and uses, the whole engine structure more complicated that also seems.
Summary of the invention
The objective of the invention is to overcome above-mentioned deficiency; Thereby a kind of gear chamber structure of diesel engine is provided; This kind structure can be simplified the general structure of motor; The replacing that realizes fuel injection pump gear, camshaft gear wheel is convenient, is convenient to the adjusting of fuel supply advance angle and the check and correction of engine tope center simultaneously, noise and vibrations in the lubricated and reduction gear chamber of gear.
According to technological scheme provided by the invention; A kind of gear chamber structure of diesel engine comprises gear chamber base plate, train of gearings, gear chamber cover, cylinder head, body; Characteristic is: the gear chamber base plate is connected with body and cylinder head; Train of gearings is arranged in the front end of gear chamber base plate through the hole on the gear chamber base plate, and gear chamber cover covers train of gearings and is locked on the gear chamber base plate.
Be furnished with crankshaft timing gear, oil pump gear, camshaft gear wheel, first idle gear, water pump gear, second idle gear, the 3rd idle gear, the 4th idle gear, fuel injection pump gear in the said train of gearings; Said oil pump gear, camshaft gear wheel, water pump gear, fuel injection pump gear respectively by the axle installing and locating in the hole of gear chamber base plate; Said crankshaft timing gear upper end is provided with second idle gear, the 3rd idle gear, and crankshaft timing gear, second idle gear, the 3rd idle gear are installed in the hole of gear chamber base plate by axle; Second idle gear, the 3rd idle gear two gears are the double-layer gear of the coaxial running that is installed together; Said first idle gear, the 4th idle gear pass the gear chamber base plate by the aperture on the idle gear fitting seat and are fixed by bolts on body and the cylinder head; Crankshaft timing gear meshes with oil pump gear, second idle gear respectively; Second idle gear and water pump gear engagement; The 3rd idle gear meshes with the 4th idle gear, first idle gear respectively; The 4th idle gear and fuel injection pump gear engagement; First idle gear and camshaft gear wheel engagement.
Said gear chamber base plate is provided with four macropores and two apertures, and four macropores are used for installing and locating oil pump gear, camshaft gear wheel, water pump gear, fuel injection pump gear; Said two apertures are used for installing and locating crankshaft timing gear, the 3rd idle gear, second idle gear.
Said gear chamber cover is provided with camshaft gear wheel hole, fuel injection pump gear hole and crankshaft gear and stretches out the hole." D " shape hole is arranged in said fuel injection pump gear hole, and the one side in hole is for to stretch out the concentric arc structure in hole with crankshaft timing gear.
Said gear chamber cover and water pump gear concentric position place are furnished with the arc groove structure, and are provided with 3 round platforms concentric with the water pump mounting hole in arc groove edge, are respectively arranged with a straight line stiffening rib concentric with water pump gear on each round platform.
Said gear chamber cover is provided with fan supporting base mounting hole place, and the outside of each fan supporting base mounting hole is provided with stiffening rib, and the set inside at fan fitting seat mounting hole place has the annulus muscle.
Said gear chamber cover is provided with charging generator support fitting seat hole, and said charging generator support fitting seat is provided with two straight line muscle and a diagonal bar near the hole.
Mounting cam shaftgear cover plate and fuel injection pump gear cover plate on the said gear chamber cover are furnished with near the fitting seat on camshaft gear wheel cover plate and the fuel injection pump gear cover plate front and the protruding stiffening rib of profile equidistance; The stiffening rib that said camshaft gear wheel cover plate and fuel injection pump gear cover plate reverse side are furnished with two donut muscle and disperse to each cover plate mounting hole from middle annulus muscle.
Said gear chamber cover internal placement has the netted stiffening rib of triangle.
The leftward position place of said gear chamber cover is provided with phase detector hole, vent and B/P EGR Back Pressure Transducer EGR hole; The phase detector hole is arranged on the camshaft gear wheel horizontal axis position; Vent makes the gas in the crankcase communicate with the interior gas of valve mechanism cover; The B/P EGR Back Pressure Transducer EGR hole is for detecting the negative pressure in the crankcase.
Compared with present technology the present invention has the following advantages:
The present invention is simple in structure, compact, reasonable, practical; Owing on gear chamber cover, increased more function of use; Simplified the general structure of motor; Make things convenient for the replacing of fuel injection pump gear, camshaft gear wheel, be convenient to the adjusting of fuel supply advance angle and the check and correction of engine tope center, increased the intensity of gear chamber cover; Gear noise and the external vibration of train of gearings in the gear chamber have been reduced, for the complete machine regular maintenance is provided convenience.
Description of drawings:
Fig. 1 is the structural representation of train of gearings of the present invention and gear chamber.
Fig. 2 arranges schematic representation for gear structure of the present invention.
Fig. 3 is a gear base plate schematic representation of the present invention.
Fig. 4 is a gear chamber cover front-end architecture schematic representation of the present invention.
Fig. 5 is gear chamber cover of the present invention, camshaft gear wheel cover plate and fuel injection pump gear cover plate Facad structure schematic representation.
Fig. 6 is gear chamber cover of the present invention, camshaft gear wheel cover plate and fuel injection pump gear cover plate internal structure schematic representation.
Fig. 7 is that gear chamber cover A of the present invention is to structural representation.
Embodiment:
Following the present invention will combine the embodiment in the accompanying drawing to further describe:
Following the present invention will combine the enforcement in the accompanying drawing to further describe:
Like Fig. 1～shown in Figure 7, comprise gear chamber base plate 1, train of gearings 2, gear chamber cover 3, O-ring seals 4, camshaft gear wheel cover plate 5, fuel injection pump gear cover plate pad 6, fuel injection pump gear cover plate 7, bent axle Front oil seal 8, body 10, cylinder head 9, tracheae 11, charging generator 12, oil pump 13 etc.Train of gearings 2 mainly is made up of crankshaft timing gear 2a, oil pump gear 2b, camshaft gear wheel 2c, the first idle gear 2d, water pump gear 2e, the second idle gear 2f, the 3rd idle gear 2g, the 4th idle gear 2h, fuel injection pump gear 2i.
The present invention adopts gear chamber cover 3 to cover train of gearings 2 and is locked on the gear chamber base plate 1, and the part bolt hole passes the gear chamber base plate and is locked on body 10 and the cylinder head 9.The sealing of train of gearings 2 is guaranteed by the attachment face of gear chamber cover 3 and the finish surface of gear chamber base plate 1; Camshaft gear wheel cover plate 5 is provided with O shape circle 4, and fuel injection pump gear cover plate 7 is provided with fuel injection pump gear cover plate pad 6, and crankshaft timing gear 2a place is provided with bent axle Front oil seal 8, and lubricant oil flows in the oil sump from the lower end of gear chamber cover 3.
As shown in Figure 2, be furnished with crankshaft timing gear 2a, oil pump gear 2b, camshaft gear wheel 2c, the first idle gear 2d, water pump gear 2e, the second idle gear 2f, the 3rd idle gear 2g, the 4th idle gear 2h, fuel injection pump gear 2i in the said train of gearings 2; Four macropores are used for installing and locating oil pump gear 2b, camshaft gear wheel 2c, water pump gear 2e, fuel injection pump gear 2i on the said gear chamber base plate 1, and said gear is installed in the hole on the gear chamber base plate 1 by axle.Two apertures are used for installing and locating crankshaft timing gear 2a, the 3rd idle gear 2g, the second idle gear 2f on the said gear chamber base plate 1; Crankshaft timing gear 2a upper end is provided with the second idle gear 2f, the 3rd idle gear 2g, and the second idle gear 2f, the 3rd idle gear 2g are installed in the hole on the gear chamber base plate 1 by axle; Two gears are the double-layer gear of the coaxial running that is installed together.The said first idle gear 2d, the 4th idle gear 2h pass gear chamber base plate 1 usefulness bolt by the aperture on the idle gear fitting seat and have been locked on body 10 and the cylinder head 9; Crankshaft timing gear 2a meshes with oil pump gear 2b, the second idle gear 2f respectively; The second idle gear 2f and water pump gear 2e engagement; The 3rd idle gear 2g meshes with the 4th idle gear 2h, the first idle gear 2d respectively; The 4th idle gear 2h and fuel injection pump gear 2i engagement; The first idle gear 2d and camshaft gear wheel 2c engagement.The second idle gear 2f drives water pump gear 2e, and the 3rd idle gear 2g has driven camshaft gear wheel 2c and fuel injection pump gear 2i through the secondary transmission of the first idle gear 2d and the 4th idle gear 2h.The setting of the first idle gear 2d and the 4th idle gear 2h has made things convenient for the back lash adjustment of camshaft gear wheel 2c and fuel injection pump gear 2i and the peripheral matched part of complete machine to arrange.
As shown in Figure 3, gear chamber base plate 1 is directly installed on body 10 and the cylinder head 9, and two aperture 1a and 4 macropore 1b are set on the gear chamber base plate, has made things convenient for the location of gear to reach lubricated; The profile of gear chamber base plate 1 adopts irregular structure, has made things convenient for complete machine to arrange suction tude 11 charging generators 12, oil pump 13 etc.
As shown in Figure 4, gear chamber cover 3 is provided with 3 macropores: camshaft gear wheel hole 3a, fuel injection pump gear hole 3b and crankshaft gear stretch out hole 3c.Camshaft gear wheel hole 3a and fuel injection pump gear hole 3b have made things convenient for and have matched the adjustment of mark 1c the correct time of maintenance and the motor of gear, and have made things convenient for the replacing of camshaft gear wheel 2c and Injection Pump or fuel injection pump gear 2i.Fuel injection pump gear hole 3b is arranged to " D " shape hole, and the one side in hole makes fuel injection pump gear hole 3b and crankshaft gear stretch out being connected between the 3c of hole and widens for to stretch out the concentric arc structure 3d in hole with crankshaft timing gear 2a, has improved the intensity of gear chamber cover 3.
Shown in Fig. 5～6; Gear chamber cover 3 charging pump gear 2e concentric position places; Arranged bigger arc groove structure 3e; And be provided with 3 the round platform 3is concentric with the water pump mounting hole at the recess edge place, and be provided with a straight line stiffening rib 3j concentric on each round platform respectively with water pump gear 2e, avoided occurring bigger plane here; At the fan supporting base mounting hole 3f of place; The outside of each fan supporting base mounting hole is provided with the stiffening rib that is close with fan fitting seat profile; The set inside of the fan fitting seat mounting hole 3f of place one big annulus muscle; And be provided with from the edge of annulus muscle the concentrically fanned stiffening rib that connects to the fan base mounting hole; Also be provided with two straight line muscle and a diagonal bar 3g near the charging generator support fitting seat hole 3h; Camshaft gear wheel cover plate 5, fuel injection pump gear cover plate 7 are installed on the gear chamber cover 3; Arranged near the fitting seat on the two cover plate fronts and protruding stiffening rib 5a, the 7a of profile equidistance that reverse side has been arranged two donut muscle and the stiffening rib 5b, the 7b that disperse to each cover plate mounting hole from middle annulus muscle; Gear chamber cover 3a internal placement the netted reinforcing rib 3k that links to each other respectively of each bolt lug.More than each structure played the resonance that has reduced gear chamber cover respectively, reduced the noise of train of gearings 2, increased the intensity of gear chamber cover 3, made things convenient for the installation of motor peripheral matched part.
As shown in Figure 7, increased phase detector hole 3m, vent 3n and B/P EGR Back Pressure Transducer EGR hole 3p at the leftward position place of gear chamber cover 3.Phase detector hole 3m is arranged on the camshaft gear wheel 2c horizontal axis position, is used for detection of engine rotating speed or dead-centre position; Vent 3m can make the gas in the crankcase communicate with the interior gas of valve mechanism cover, makes the oil gas in the crankcase divide open cycle; B/P EGR Back Pressure Transducer EGR hole 3n provides convenience for the negative pressure that detects in the crankcase.When not using each machining hole only otherwise machining hole or load onto the sealing that obstruction can realize gear chamber cover 3.
Claims (2)
1. the gear chamber structure of a diesel engine; Comprise gear chamber base plate (1), train of gearings (2), gear chamber cover (3), cylinder head (9) and body (10); Said gear chamber base plate (1) is connected with body (10) and cylinder head (9); Train of gearings (2) is arranged in the front end of gear chamber base plate (1) through the hole on the gear chamber base plate, and gear chamber cover (3) covers train of gearings (2) and is installed on the gear chamber base plate (1); Be furnished with crankshaft timing gear (2a), oil pump gear (2b), camshaft gear wheel (2c), first idle gear (2d), water pump gear (2e), second idle gear (2f), the 3rd idle gear (2g), the 4th idle gear (2h) and fuel injection pump gear (2i) in the said train of gearings (2); Said oil pump gear (2b), camshaft gear wheel (2c), water pump gear (2e), fuel injection pump gear (2i) respectively by the axle installing and locating in the hole of gear chamber base plate (1); Said crankshaft timing gear (2a) upper end is provided with second idle gear (2f), the 3rd idle gear (2g), and crankshaft timing gear (2a), second idle gear (2f), the 3rd idle gear (2g) are installed in the hole of gear chamber base plate (1) by axle; Second idle gear (2f), the 3rd idle gear (2g) two gears are the double-layer gear of the coaxial running that is installed in; Said first idle gear (2d), the 4th idle gear (2h) pass gear chamber base plate (1) by the hole on the idle gear fitting seat and are fixed by bolts on body (10) and the cylinder head (9); Crankshaft timing gear (2a) meshes with oil pump gear (2b), second idle gear (2f) respectively; Second idle gear (2f) and water pump gear (2e) engagement; The 3rd idle gear (2g) meshes with the 4th idle gear (2h), first idle gear (2d) respectively; The 4th idle gear (2h) and fuel injection pump gear (2i) engagement; First idle gear (2d) and camshaft gear wheel (2c) engagement; It is characterized in that: described gear chamber cover (3) and water pump gear (2e) concentric position place; Be furnished with arc groove (3e); And be provided with three round platforms (3i) concentric with the water pump mounting hole in arc groove edge, be respectively arranged with a straight line stiffening rib (3j) concentric on each round platform with water pump gear (2e).
2. the gear chamber structure of a kind of diesel engine according to claim 1 is characterized in that the leftward position place of described gear chamber cover (3) is provided with phase detector hole (3m), vent (3n) and B/P EGR Back Pressure Transducer EGR hole (3p); Phase detector hole (3m) is arranged on camshaft gear wheel (2c) the horizontal axis position; Vent (3m) makes the gas in the crankcase communicate with the interior gas of valve mechanism cover; B/P EGR Back Pressure Transducer EGR hole (3n) is for detecting the negative pressure in the crankcase.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105264690A CN101963110B (en) | 2010-10-31 | 2010-10-31 | Gear chamber structure of diesel engine |
| PCT/CN2011/001141 WO2012055149A1 (en) | 2010-10-31 | 2011-07-11 | Diesel engine gear case structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105264690A CN101963110B (en) | 2010-10-31 | 2010-10-31 | Gear chamber structure of diesel engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101963110A CN101963110A (en) | 2011-02-02 |
| CN101963110B true CN101963110B (en) | 2012-10-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105264690A Active CN101963110B (en) | 2010-10-31 | 2010-10-31 | Gear chamber structure of diesel engine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101963110B (en) |
| WO (1) | WO2012055149A1 (en) |
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| CN101963110B (en) * | 2010-10-31 | 2012-10-31 | 无锡开普动力有限公司 | Gear chamber structure of diesel engine |
| CN102155328A (en) * | 2011-04-21 | 2011-08-17 | 北京中清能发动机技术有限公司 | Gear room cover of internal combustion engine, engine body assembly and internal combustion engine thereof |
| CN102251874A (en) * | 2011-06-20 | 2011-11-23 | 昆明瑞尔机电科技有限公司 | Wheel gear chamber cover of single-cylinder diesel |
| CN102392753B (en) * | 2011-09-13 | 2013-01-30 | 无锡开普动力有限公司 | Gear chamber structure of internal combustion engine |
| CN103225538B (en) * | 2013-04-19 | 2014-12-10 | 中国重汽集团济南动力有限公司 | Method for reasonably reducing load of gear system of engine and gear system assembled according to method |
| CN103590894B (en) * | 2013-11-25 | 2016-03-23 | 中国南方航空工业(集团)有限公司 | Attachment transmission structure |
| CN104279070B (en) * | 2014-09-22 | 2016-10-19 | 广西玉柴机器股份有限公司 | The wheel train structure of small diesel engine cylinder block |
| GB2543328A (en) * | 2015-10-15 | 2017-04-19 | Caterpillar Motoren Gmbh & Co | Transmission |
| CN106351763A (en) * | 2016-08-25 | 2017-01-25 | 合肥江淮朝柴动力有限公司 | Highly integrated gear chamber of diesel engine |
| CN106762201A (en) * | 2016-12-30 | 2017-05-31 | 广西玉柴机器股份有限公司 | Multifunctional gear room |
| CN107905908A (en) * | 2017-12-14 | 2018-04-13 | 马鞍山市常立发机械制造有限公司 | One kind is new can draining gear chamber |
| CN108194220B (en) * | 2017-12-27 | 2020-02-21 | 广西玉柴机器股份有限公司 | Cylinder head gear chamber seal structure |
| CN108223187B (en) * | 2018-03-19 | 2023-09-26 | 安徽全柴动力股份有限公司 | Rear gear chamber with oil-gas separation structure |
| CN108915888B (en) * | 2018-07-19 | 2023-10-20 | 东风商用车有限公司 | Timing gear chamber cover system at rear end of diesel engine |
| CN108952993B (en) * | 2018-07-19 | 2023-12-05 | 东风商用车有限公司 | Gear chamber structure at rear end of diesel engine |
| CN110761913B (en) * | 2018-07-27 | 2021-11-16 | 上海汽车集团股份有限公司 | Engine timing chamber, engine and vehicle |
| CN108930605A (en) * | 2018-09-06 | 2018-12-04 | 广西玉柴机器股份有限公司 | The sound insulation shade assembly of motor head gear chamber |
| CN111120143A (en) * | 2019-12-11 | 2020-05-08 | 沈阳航天三菱汽车发动机制造有限公司 | Detachable suspension bracket split type timing chain wheel shell of plug-in hybrid electric vehicle |
| CN110821596B (en) * | 2019-12-25 | 2022-05-24 | 芜湖航瑞航空动力产业技术研究院有限公司 | Horizontally opposed piston engine |
| EA202092391A1 (en) | 2020-07-13 | 2022-01-31 | Пауэрхаус Энджин Солюшнз Свитселанд АйПи Холдинг ГмбХ | INTERNAL COMBUSTION ENGINE SYSTEM |
| CN113775413B (en) * | 2021-09-29 | 2022-06-14 | 广西玉柴机器股份有限公司 | Gear meshing clearance adjusting structure |
| CN114439643B (en) * | 2022-02-28 | 2023-01-24 | 第一拖拉机股份有限公司 | Coaxial duplex gluing type gear chamber assembly with inspection window |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2012055149A1 (en) | 2012-05-03 |
| CN101963110A (en) | 2011-02-02 |
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