CN102392753A - Gear chamber structure of internal combustion engine - Google Patents
Gear chamber structure of internal combustion engine Download PDFInfo
- Publication number
- CN102392753A CN102392753A CN2011102701801A CN201110270180A CN102392753A CN 102392753 A CN102392753 A CN 102392753A CN 2011102701801 A CN2011102701801 A CN 2011102701801A CN 201110270180 A CN201110270180 A CN 201110270180A CN 102392753 A CN102392753 A CN 102392753A
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- Prior art keywords
- gear
- combustion engine
- stand
- gear chamber
- oil
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Classifications
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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)
- Valve-Gear Or Valve Arrangements (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention relates to a gear chamber structure of an internal combustion engine. A gear chamber comprises an upper cover, a gear bracket and a lower shell which are firmly connected sequentially from the top to the bottom, and the gear bracket is of a box type structure with a front wall, a rear wall, a left wall and a right wall. The upper cover, the gear bracket and the lower shell are combined to form the gear chamber structure, and since the gear bracket is of the integrated box type structure, the overall rigidity of the gear chamber is increased; large module idle gears can be arranged in the integrated gear bracket, output ports can be arranged on the outer wall of the integrated gear bracket, and thereby the multi-port, high-power auxiliary output of the internal combustion engine is realized; and the split type gear chamber structure with an upper section, a middle section and a lower section further increases the rigidity of the gear chamber, improves assembility and manufacturability, and is convenient to repair and operate.
Description
Technical field
The present invention relates to internal-combustion engine, specifically a kind of gear chamber structure of internal-combustion engine belongs to field of power equipment technology.
Background technique
Always the gear chamber structure of internal-combustion engine is well-known, general adopt whole up and down, the front and back split, gear is installed to be supported on bolt and is connected in the middle of the front and rear covers.The gear chamber integral rigidity of this structure is poor, and output port is few, and water channel, oil duct all will adopt exposed conduit to arrange, complicated integral structure is not compact, can't satisfy the requirement of high-power auxiliary output yet.
Summary of the invention
The present invention is directed to the deficiency of above-mentioned existing technology, a kind of gear chamber structure of internal-combustion engine is provided, this structure has improved the integral rigidity of gear chamber, has increased number of output ports in addition, has also improved the compact overall structure property of internal-combustion engine.
According to technological scheme provided by the invention: a kind of gear chamber structure of internal-combustion engine; Said gear chamber is made up of the loam cake that is fixedly connected sequentially from top to bottom, gear stand and lower casing, and said gear stand is the box-structure with antetheca, rear wall, Zuo Bi and right wall.
Be furnished with first idle gear and second idle gear that is meshed with crankshaft gear between the antetheca of said gear stand and the rear wall, be furnished with a plurality of and said first idle gear and the corresponding output port of said second idle gear on the antetheca of said gear stand and the rear wall.
Be furnished with the camshaft gear wheel that is meshed with said crankshaft gear in the said loam cake, said camshaft gear wheel is connected with the fuel pump gear through the 3rd idle gear.
The oil pump that is meshed with said first idle gear is installed in the said lower casing, is furnished with the oil-feed oil duct and the oil discharge passage of said oil pump in the said lower casing.
The mating face of said lower casing and said gear stand is equipped with seal ring.
Be furnished with the oil leab and first oil duct in the said loam cake, be furnished with second oil duct that communicates with said first oil duct in the said gear stand.
On the said gear stand water pump is installed, is furnished with the water channel that communicates with said water pump in the said loam cake, said water channel passes through port, links to each other with the main channel of internal-combustion engine.
Compared with present technology the present invention has the following advantages: the present invention is combined by loam cake, gear stand and lower casing, and gear stand is whole box-structure, has improved the integral rigidity of gear chamber; Can arrange the idle gear of big modulus in the overall gear support, can arrange output port, be implemented in internal-combustion engine multiport, powerful auxiliary output in the outer wall of overall gear support; Following three sections detachable gear wheel cell structures have further improved the rigidity of gear chamber in going up, and improve assembling, anufacturability simultaneously, and maintenance operation are convenient; Be embedded in the gear stand with loam cake in oil duct, water channel, and the port etc. that oil duct, water channel annex are installed has significantly improved the compactedness of the structure of internal-combustion engine, has improved the sealing reliability between each parts, has also improved structural strength simultaneously; Lower casing adopts whole seal ring to seal with gear stand, body simultaneously, improves the reliability of sealing, makes crankcase, the gear chamber of maintenance, inspection internal-combustion engine become convenient and swift simultaneously.
Description of drawings
Fig. 1 is a plan view of the present invention, internal-combustion engine from free-ended to view.
Fig. 2 is the sectional view of Fig. 1 along A-A, the free-ended partial graph of internal-combustion engine vertical profile.
Fig. 3 is the sectional view of Fig. 2 along B-B, has shown the gear transmission part.
Fig. 4 is the revolved sectional view of Fig. 1 along C-C.
Embodiment
Embodiment below in conjunction with in the accompanying drawing is further described the present invention.
Among Fig. 1～Fig. 4; Comprise bent axle 1, main bearing cap 2, Main bearing bolt 3, body 4, top board 5, bolt 6, crankcase 7, gear stand 8, antetheca 8a, rear wall 8b, left wall 8c, right wall 8d, first idle gear 9, gearwheel 9a, small gear 9b, second idle gear 10, gearwheel 10a, small gear 10b, loam cake 11, bolt 12, lower casing 13, bolt 14, gear chamber 15, bolt 16, crankshaft gear 17, hole 18, hole 19, bolt 20, gear shaft 21, bolt 22, bolt 23, delivery outlet 24a; 24b; 24c; 24d, 24e, 24f; 24g; 24h, oil pump 25, oil-feed oil duct 26a, oil discharge passage 26b, grease channel 27, port 27a, 27b, camshaft gear wheel 28, gearwheel 28a, small gear 28b, the 3rd idle gear 29, fuel pump gear 30, first oil duct 31, second oil duct 32, water channel 33, water pump 34, port 35a, 35b, gear cavity 36, seal ring 37, mating face 38, piston rod 39, bolt 40 etc.
Like Fig. 1, shown in Figure 2; The bent axle 1 of internal-combustion engine is pressed abd fixed in the body 4 through main bearing cap 2, Main bearing bolt 3, and a top board 5 is arranged above the body 4, and top board 5 usefulness bolts 6 are fixed on above the body 4; Top board 5 has played the effect of pressurized crankcase 7, has also played the effect of supporting member.
The rear wall 8b of gear stand 8 is close to body 4, and there is a hole 18 position of stretching out at bent axle 1 and crankshaft gear 17, is used to avoid bent axle 1 and crankshaft gear 17; The antetheca 8a of gear stand 8 also has a hole 19 in the position that bent axle 1 stretches out, the front end output that is used for supporting crankshaft 1 and supplies bent axle 1.
As shown in Figure 3, the antetheca 8a of gear stand 8, the centre of rear wall 8b are equipped with first idle gear 9 and second idle gear 10.First idle gear 9 is made up of a gearwheel 9a and a small gear 9b, and second idle gear 10 is made up of a gearwheel 10a and a small gear 10b.Gearwheel 9a and small gear 9b, gearwheel 10a and small gear 10b are connected to form an integral body through a plurality of bolts 20 respectively.
As shown in Figure 4; Gear shaft 21 is passed in the centre of first idle gear 9 and second idle gear 10; The just rotation on gear shaft 21 of first idle gear 9 and second idle gear 10; The bolt 22 that gear shaft 21 is passed gear shaft 21 is connected to above the body 4 that is connected to the back on the rear wall 8b, and the front end of gear shaft 21 is provided with blind flange, is fixed on by bolt 23 on the antetheca 8a of gear stand 8.
Like this; The antetheca 8a of gear stand 8 and rear wall 8b exceed the scope of body 4 can arrange that auxiliary output or installation need the annex of power; Antetheca 8a has just had gearwheel 10a, the delivery outlet 24a of 9a, 24b, 24c, 24d, the delivery outlet 24e of small gear 10b, 9b, 24f; Delivery outlet 24g, 24h that gearwheel 10a, 9a are also arranged above the rear wall 8b.Output port can be installed the annex that the perhaps direct installation of output shaft needs power, like water pump, oil pump etc.Below rear wall 8b, the inside of internal-combustion engine also is equipped with the oil pump 25 of internal-combustion engine.
The antetheca 8a of gear stand 8 can be provided with oil duct, can the lubricant oil in the lower casing 13 be guided to the top of internal-combustion engine, realizes to the lubricated of internal-combustion engine with to cooling, the filtering of lubricant oil.Oil-feed oil duct 26a is the oil inlet passage of oil pump 25, and oil discharge passage 26b is the outlet of oil pump 25.Lubricant oil is along oil discharge passage 26b, in the grease channel 27 of the loam cake 11 of gear stand 8.
As shown in Figure 2, the gear cavity 36 in the loam cake 11 of gear stand 8 is used to cover camshaft gear wheel 28, the 3rd idle gear 29 and the fuel pump gear 30 that stretches out on the body 4.Loam cake 11 has an outlet to link to each other with the top board 5 of body 4, can on the top board 5 of body 4, fuel pump be installed.As shown in Figure 3; The oil leab 27 ports having 27a of loam cake 11,27b; Cooling, the filter of lubricant oil can be installed; The lubricant oil of coming in the gear stand 8 is carried out filtering, cooling, and output to the main oil gallery of body 4, second oil duct 32 and other position that need lubricate of gear stand 8 again through first oil duct 31.Water channel 33 in the loam cake 11 can be exported the water that sent with the water pump of installing on the gear stand 8 34, through port 35a, the 35b that is connected with body 4, delivers to the main channel of internal-combustion engine.
When internal combustion engine; Piston rod 39 motions drive bent axle 1 rotation, and crankshaft gear 17 rotations drive the rotation of first idle gear 9 and second idle gear 10; The gearwheel 9a of first idle gear 9 and second idle gear 10,10a drive gearwheel delivery outlet 24a, 24b, 24c, 24d among the antetheca 8a; Delivery outlet 24e, 24f with among the rear wall 8b comprise engine water pump 34, and the gearwheel 9a of while first idle gear 9 is the lubricating pump 25 of drive installation on rear wall 8b also; The small gear 9b of first idle gear 9 and second idle gear 10,10b drive small gear output port 24e, 24f among the antetheca 8a.Suitable for reading at gear stand 8, crankshaft gear 17 be also driving cam shaftgear 28 simultaneously, and camshaft gear wheel 28 is connected to form through bolt 40 by coaxial gearwheel 28a, small gear 28b.When camshaft gear wheel 28 rotated, small gear 28b drove 29 rotations of the 3rd idle gear simultaneously, and the 3rd idle gear 29 drives 30 rotations of fuel pump gear.In internal combustion engine, lubricant oil outputs to the position that each need lubricate in gear chamber lower casing 13, gear stand 8, loam cake 11, flowing under the driving of oil pump 25; Cooling water is driven by water pump 34, carries each position that need cool off through gear chamber loam cake 11.
The present invention has the following advantages: 1, gear stand 8 can stretch out body 4 scopes by antetheca 8a, rear wall 8b, left wall 8c and the right wall 8d box-structure that forms a whole, and has improved the integral rigidity of gear chamber 15, has increased the auxiliary number of output ports of internal-combustion engine.Because rigidity improves, increased the capacity of gear chamber 15, can adopt first idle gear, 9, the second idle gears 10 of big modulus to come transmission, can increase the power of auxiliary output.2, be embedded in the gear stand 8 and oil duct, water channel in the loam cake 11, and the port etc. that oil duct, water channel annex are installed, significantly improved the compactedness of the structure of internal-combustion engine, improved the sealing reliability between each parts, also improved structural strength simultaneously.3, lower casing 13 adopts whole seal ring 37 to seal with gear stand 8, body 4 simultaneously, improves the reliability of sealing, makes crankcase, the gear chamber of maintenance, inspection internal-combustion engine become convenient and swift simultaneously.4, go up in following three sections detachable gear wheel cell structures make, produce, also more convenient in the processing, good manufacturability.
The present invention also is not limited to the foregoing description, can in the claim scope, carry out various changes, realizes identical functions.
Claims (7)
1. the gear chamber structure of an internal-combustion engine; It is characterized in that: said gear chamber (15) is made up of the loam cake that is fixedly connected sequentially from top to bottom (11), gear stand (8) and lower casing (13), and said gear stand (8) is for having the box-structure of antetheca (8a), rear wall (8b), left wall (8c) and right wall (8d).
2. according to the gear chamber structure of the described internal-combustion engine of claim 1; It is characterized in that: be furnished with first idle gear (9) and second idle gear (10) that is meshed with crankshaft gear (17) between the antetheca (8a) of said gear stand (8) and the rear wall (8b), be furnished with a plurality of and said first idle gear (9) and the corresponding output port of said second idle gear (10) on the antetheca (8a) of said gear stand (8) and the rear wall (8b).
3. according to the gear chamber structure of the described internal-combustion engine of claim 2; It is characterized in that: be furnished with the camshaft gear wheel (28) that is meshed with said crankshaft gear (17) in the said loam cake (11), said camshaft gear wheel (28) is connected with fuel pump gear (30) through the 3rd idle gear (29).
4. according to the gear chamber structure of the described internal-combustion engine of claim 2; It is characterized in that: said gear stand (8) bottom is equipped with the oil pump (25) that is meshed with said first idle gear (9), and said gear stand (8) lower disposed has the oil-feed oil duct (26a) and the oil discharge passage (26b) of said oil pump (25).
5. according to the gear chamber structure of the described internal-combustion engine of claim 1, it is characterized in that: said lower casing (13) is equipped with seal ring (37) with the mating face (38) of said gear stand (8).
6. according to the gear chamber structure of the described internal-combustion engine of claim 1; It is characterized in that: be furnished with oil leab (27) and first oil duct (31) in the said loam cake (11), be furnished with second oil duct (32) that communicates with said first oil duct (31) in the said gear stand (8).
7. according to the gear chamber structure of the described internal-combustion engine of claim 1; It is characterized in that: water pump (34) is installed on the said gear stand (8); Be furnished with the water channel (33) that communicates with said water pump (34) in the said loam cake (11), said water channel (33) links to each other with the main channel of internal-combustion engine through port (35a, 35b).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102701801A CN102392753B (en) | 2011-09-13 | 2011-09-13 | Gear chamber structure of internal combustion engine |
| PCT/CN2012/001277 WO2013037191A1 (en) | 2011-09-13 | 2012-09-18 | Gear chamber structure of internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102701801A CN102392753B (en) | 2011-09-13 | 2011-09-13 | Gear chamber structure of internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102392753A true CN102392753A (en) | 2012-03-28 |
| CN102392753B CN102392753B (en) | 2013-01-30 |
Family
ID=45860117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102701801A Active CN102392753B (en) | 2011-09-13 | 2011-09-13 | Gear chamber structure of internal combustion engine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102392753B (en) |
| WO (1) | WO2013037191A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013037191A1 (en) * | 2011-09-13 | 2013-03-21 | 无锡开普动力有限公司 | Gear chamber structure of internal combustion engine |
| CN104343572A (en) * | 2013-08-02 | 2015-02-11 | 光阳工业股份有限公司 | Engine cooling channel configuration |
| WO2022204654A1 (en) * | 2021-03-22 | 2022-09-29 | Cummins Inc. | Gear cover and gear housing system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008174113A (en) * | 2007-01-19 | 2008-07-31 | Suzuki Motor Corp | Mount structure of engine with variable valve timing mechanism |
| CN100520034C (en) * | 2007-02-12 | 2009-07-29 | 昆明理工大学 | Horizontal planer single and double cylinder diesel-engine body |
| CN201636299U (en) * | 2010-03-19 | 2010-11-17 | 协鸿工业股份有限公司 | Axial gear box |
| CN101963110A (en) * | 2010-10-31 | 2011-02-02 | 无锡开普动力有限公司 | Gear chamber structure of diesel engine |
| CN202273772U (en) * | 2011-09-13 | 2012-06-13 | 无锡开普动力有限公司 | Gear chamber structure of internal combustion engine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006007421A1 (en) * | 2006-02-17 | 2007-08-30 | Deutz Ag | Self-ignited internal combustion engine for e.g. commercial vehicle application, has framework e.g. steel plate, along with oil sump, screwed onto flange surface and extending to gear box-front side through surface |
| 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 |
-
2011
- 2011-09-13 CN CN2011102701801A patent/CN102392753B/en active Active
-
2012
- 2012-09-18 WO PCT/CN2012/001277 patent/WO2013037191A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008174113A (en) * | 2007-01-19 | 2008-07-31 | Suzuki Motor Corp | Mount structure of engine with variable valve timing mechanism |
| CN100520034C (en) * | 2007-02-12 | 2009-07-29 | 昆明理工大学 | Horizontal planer single and double cylinder diesel-engine body |
| CN201636299U (en) * | 2010-03-19 | 2010-11-17 | 协鸿工业股份有限公司 | Axial gear box |
| CN101963110A (en) * | 2010-10-31 | 2011-02-02 | 无锡开普动力有限公司 | Gear chamber structure of diesel engine |
| CN202273772U (en) * | 2011-09-13 | 2012-06-13 | 无锡开普动力有限公司 | Gear chamber structure of internal combustion engine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013037191A1 (en) * | 2011-09-13 | 2013-03-21 | 无锡开普动力有限公司 | Gear chamber structure of internal combustion engine |
| CN104343572A (en) * | 2013-08-02 | 2015-02-11 | 光阳工业股份有限公司 | Engine cooling channel configuration |
| CN104343572B (en) * | 2013-08-02 | 2018-05-25 | 光阳工业股份有限公司 | The cooling duct configuration of engine |
| WO2022204654A1 (en) * | 2021-03-22 | 2022-09-29 | Cummins Inc. | Gear cover and gear housing system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102392753B (en) | 2013-01-30 |
| WO2013037191A1 (en) | 2013-03-21 |
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