CN102705119B - Transmission and connection structure of electrical control high pressure common rail pump - Google Patents
Transmission and connection structure of electrical control high pressure common rail pump Download PDFInfo
- Publication number
- CN102705119B CN102705119B CN201210215493.1A CN201210215493A CN102705119B CN 102705119 B CN102705119 B CN 102705119B CN 201210215493 A CN201210215493 A CN 201210215493A CN 102705119 B CN102705119 B CN 102705119B
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- Prior art keywords
- gear
- common rail
- rail pump
- mounting hole
- land
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M39/00—Arrangements of fuel-injection apparatus with respect to engines; Pump drives adapted to such arrangements
- F02M39/02—Arrangements of fuel-injection apparatus to facilitate the driving of pumps; Arrangements of fuel-injection pumps; Pump drives
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
- F02M63/0225—Fuel-injection apparatus having a common rail feeding several injectors ; Means for varying pressure in common rails; Pumps feeding common rails
- F02M63/0265—Pumps feeding common rails
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The invention relates to a transmission and connection structure of an electrical control high pressure common rail pump. The electrical control high pressure common rail pump is fastened to a connecting disc; the connecting disc is fastened to a lower body of a gear chamber; a mounting seam and a mounting hole of the connecting disc are eccentrically arranged; an output shaft at the front end of the electrical control high pressure common rail pump extends into the mounting hole of the connecting disc; the lower body of the gear chamber is provided with a mounting hole; the mounting seam of the connecting disc is connected in the mounting hole on the lower body of the gear chamber; a common rail pump transmission gear is arranged on an output shaft of the electrical control high pressure common rail pump and is locked by using a locking nut; the center of the common rail pump transmission gear and the center of the mounting hole are eccentrically arranged; a crankshaft timing gear is arranged on a crankshaft and is engaged with a large idle gear; the large idle gear and a small idle gear are coaxially arranged and synchronously rotate; and the small idle gear is engaged with the common rail pump transmission gear. According to the transmission and connection structure, the reliability in mounting and the stability in transmission of the electrical control high pressure common rail pump can be guaranteed, the occupied space is small, and the size of the entire engine is not influenced.
Description
Technical field
The transmission and the linkage structure that the present invention relates to a kind of Electrocontrolled high-pressure common rail pump, belong to technical field of engines.
Background technique
Along with promulgation and the enforcement of the emission control standard of increasingly stringent in the world, rely on traditional machinery control injection system cannot meet the demands, also being difficult to realize fuel injection quantity, injection pressure and injection timing completely by the requirement of optimum condition running, is that petrol engine or diesel engine are all faced with stern challenge now.In recent years, along with developing rapidly of computer technology, sensor technology and information technology, make the each side such as reliability, cost, volume of electronic product can meet diesel engine and carry out electronically controlled requirement, and control fuel injection is easy to realize.So adopt Electrocontrolled high-pressure common rail fuel injection technic to be considered to improve diesel engine performance and the effective means that reduces exhaust emission.On modern multi-cylinder diesel engine, start to adopt in a large number high-pressure common rail fuel injection technic.
Summary of the invention
The object of the invention is to for meeting increasingly strict emission regulation demands, provide a kind of for Electrocontrolled high-pressure common rail pump being arranged on to transmission and the linkage structure of the Electrocontrolled high-pressure common rail pump in a series of V-type diesel engine, this transmission and linkage structure can guarantee that Electrocontrolled high-pressure common rail pump is installed reliably, stable drive, and it is little to take up room, do not affect the complete machine size of motor.
According to technological scheme provided by the invention: the transmission of Electrocontrolled high-pressure common rail pump and linkage structure, comprise Electrocontrolled high-pressure common rail pump and gear chamber lower body, it is characterized in that: also comprise land, crankshaft timing gear, large idle gear, little idle gear and be total to rail pump drive gear; Described Electrocontrolled high-pressure common rail pump is fastened on land, and land is fastened on gear chamber lower body; Described land one end is provided with mounting hole, the output shaft of described Electrocontrolled high-pressure common rail pump front end stretches in the mounting hole of land, the described land the other end is provided with installation seam, and this installation seam becomes eccentric setting with described mounting hole, on described gear chamber lower body, offer mounting hole, the installation seam of described land is connected in the mounting hole on gear chamber lower body; Described crankshaft timing gear, large idle gear, little idle gear and common rail pump drive gear are arranged in gear chamber lower body, altogether rail pump drive gear is arranged on the output shaft of Electrocontrolled high-pressure common rail pump and with locking nut locking, the center of rail pump drive gear and the center of mounting hole become eccentric setting altogether; Described crankshaft timing gear is arranged on bent axle, and crankshaft timing gear engages with large idle gear, and described large idle gear and little idle gear are coaxial to be arranged and synchronously rotate, and described little idle gear engages with described rail pump drive gear altogether.
As a further improvement on the present invention, between the output shaft of described Electrocontrolled high-pressure common rail pump and the mounting hole of land, realize sealing by the first seal ring and the second seal ring; Between the installation seam of described land and the mounting hole of gear chamber lower body, realize sealing by the 3rd seal ring.
As a further improvement on the present invention, described large idle gear and little idle gear are duplicate gears.
As a further improvement on the present invention, described Electrocontrolled high-pressure common rail pump rear end is provided with auxiliary support frame.
compared with prior art, advantage is in the present invention:
(1), the present invention is by arranging the mounting hole of rail pump drive gear center bias together on gear chamber lower body, both met the installation requirement of Electrocontrolled high-pressure common rail pump, met again the velocity ratio requirement of train of gearings, facilitated the installation of train of gearings simultaneously.
(2), the present invention is by an eccentric land of design, met the installation of Electrocontrolled high-pressure common rail pump, the installation that has simultaneously also met common rail pump drive gear system with engage.
(3), the present invention is by one group of number of teeth of design transition gears different and that coaxially arrange (large idle gear and little idle gear), meet easily the crankshaft timing gear velocity ratio requirement of rail pump drive gear together, and by the engagement driving of this group transition gear, the meshed center distance that can dwindle train of gearings from, also reduced the volume of gear simultaneously, the volume that can greatly reduce gear chamber lower body, makes more compact structure.
(4), the present invention passes through at the rear end of Electrocontrolled high-pressure common rail pump increase auxiliary support frame, can reduce the vibration in the course of the work of Electrocontrolled high-pressure common rail pump, the functional reliability of enhancing Electrocontrolled high-pressure common rail pump.
Brief description of the drawings
Fig. 1 is assembling schematic diagram of the present invention.
Fig. 2 is train of gearings assembling mesh schematic representation of the present invention.
Fig. 3 is the structural representation of land in the present invention.
Fig. 4 is the A-A sectional view of land in the present invention.
Embodiment
Below in conjunction with concrete drawings and Examples, the invention will be further described.
As shown in the figure: the transmission of Electrocontrolled high-pressure common rail pump of the present invention and linkage structure are mainly made up of component such as Electrocontrolled high-pressure common rail pump 1, gear chamber lower body 2, land 3, the first seal ring 4, the second seal ring 5, the 3rd seal ring 6, crankshaft timing gear 7, large idle gear 8, little idle gear 9, common rail pump drive gear 10, auxiliary support frame 11 and locking nuts 12.
As shown in Fig. 1 ~ Fig. 4, described Electrocontrolled high-pressure common rail pump 1 use bolton is on land 3, and land 3 use bolton are on gear chamber lower body 2; Described land 3 one end are provided with mounting hole 3a, the output shaft 1a of described Electrocontrolled high-pressure common rail pump 1 front end stretches in the mounting hole 3a of land 3, described land 3 the other ends are provided with installs seam 3b, and this installation seam 3b becomes eccentric setting with described mounting hole 3a, on described gear chamber lower body 2, offer mounting hole 2a, the installation seam 3b of described land 3 is connected in the mounting hole 2a on gear chamber lower body 2; Described crankshaft timing gear 7, large idle gear 8, little idle gear 9 and common rail pump drive gear 10 are arranged in gear chamber lower body 2, the output shaft 1a that common rail pump drive gear 10 is arranged on Electrocontrolled high-pressure common rail pump 1 goes up and uses locking nut 12 to lock, and rail pump drive gear 10 center becomes eccentric setting with mounting hole 2a center altogether; Described crankshaft timing gear 7 is arranged on bent axle 13, and crankshaft timing gear 7 engages with large idle gear 8, and described large idle gear 8 and little idle gear 9 are coaxial to be arranged and synchronously rotate, and described little idle gear 9 engages with described rail pump drive gear 10 altogether.
In the present invention, because the mounting hole 3a of land 3 becomes eccentric setting with installation seam 3b, both meet the installation requirement of outside Electrocontrolled high-pressure common rail pump 1, met again the velocity ratio requirement of train of gearings, and facilitated the installation of train of gearings.
In the present invention, described large idle gear 8 is one group of in-line gears that the number of teeth is different with little idle gear 9, change by the simple number of teeth, and by the engagement driving of two groups of gears, change the rotating speed of gear, realized power is passed to Electrocontrolled high-pressure common rail pump 1 from crankshaft timing gear 7 by the speed ratio of 2:1; And by large idle gear 8 and the little idle gear 9 of the coaxial different numbers of teeth of design, in meeting velocity ratio requirement, also greatly dwindled the centre distance of train of gearings, reduce the volume of gear, dwindle gear chamber lower body 2 design that is that cogs, the compact structure that makes gear chamber lower body 2, volume is less.
As shown in Figure 1, between the output shaft 1a of described Electrocontrolled high-pressure common rail pump 1 and the mounting hole 3a of land 3, realize sealing by the first seal ring 4 and the second seal ring 5; Between the installation seam 3b of described land 3 and the mounting hole 2a of gear chamber lower body, realize sealing by the 3rd seal ring 6.
In the present invention, described large idle gear 8 and little idle gear 9 can adopt duplicate gear.
Described Electrocontrolled high-pressure common rail pump 1 rear end is provided with auxiliary support frame 11, and Electrocontrolled high-pressure common rail pump 1 supports by auxiliary support frame 11, can reduce Electrocontrolled high-pressure common rail pump 1 vibration in the course of the work, strengthens the functional reliability of Electrocontrolled high-pressure common rail pump 1.
concrete applicable cases of the present invention is as follows:
Bent axle 13 drives crankshaft timing gear 7 to rotate, transmission of power is given large idle gear 8 by crankshaft timing gear 7, large idle gear 8 drives the coaxial synchronized rotation of little idle gear 9, little idle gear 9 again together rail pump drive gear 10 directly engage, finally give rail pump drive gear 10 altogether by little idle gear 9 by transmission of power, rail pump drive gear 10 drives Electrocontrolled high-pressure common rail pump 1 to work altogether, realizes fuel feeding.
Claims (1)
1. the transmission of Electrocontrolled high-pressure common rail pump and linkage structure, comprises Electrocontrolled high-pressure common rail pump (1) and gear chamber lower body (2), land (3), crankshaft timing gear (7), large idle gear (8), little idle gear (9) and is total to rail pump drive gear (10); It is upper that described Electrocontrolled high-pressure common rail pump (1) is fastened on land (3), and land (3) is fastened on gear chamber lower body (2); Described land (3) one end is provided with the mounting hole (3a) of land, the output shaft (1a) of described Electrocontrolled high-pressure common rail pump (1) front end stretches in the mounting hole (3a) of land (3), described land (3) the other end is provided with installs seam (3b), and this installation seam (3b) becomes eccentric setting with the mounting hole (3a) of described land, on described gear chamber lower body (2), offer mounting hole (2a), the installation seam (3b) of described land (3) is connected in the mounting hole (2a) on gear chamber lower body (2); Described crankshaft timing gear (7), large idle gear (8), little idle gear (9) and common rail pump drive gear (10) are arranged in gear chamber lower body (2), locking nut (12) locking is gone up and used to the output shaft (1a) that common rail pump drive gear (10) is arranged on Electrocontrolled high-pressure common rail pump (1), and the center of the center of rail pump drive gear (10) and the mounting hole (2a) of gear chamber lower body becomes eccentric setting altogether; Described crankshaft timing gear (7) is arranged on bent axle (13), crankshaft timing gear (7) engages with large idle gear (8), described large idle gear (8) and little idle gear (9) coaxially arrange and synchronously rotate, and described little idle gear (9) engages with described rail pump drive gear (10) altogether;
It is characterized in that: between the output shaft (1a) of described Electrocontrolled high-pressure common rail pump (1) and the mounting hole (3a) of land (3), realize sealing by the first seal ring (4) and the second seal ring (5); Between the installation seam (3b) of described land (3) and the mounting hole (2a) of gear chamber lower body, realize sealing by the 3rd seal ring (6);
Described large idle gear (8) and little idle gear (9) are duplicate gears; Described Electrocontrolled high-pressure common rail pump (1) rear end is provided with auxiliary support frame (11).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210215493.1A CN102705119B (en) | 2012-06-27 | 2012-06-27 | Transmission and connection structure of electrical control high pressure common rail pump |
| PCT/CN2013/000706 WO2014000414A1 (en) | 2012-06-27 | 2013-06-17 | Transmission and connection structure of electrically-controlled high pressure common rail pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210215493.1A CN102705119B (en) | 2012-06-27 | 2012-06-27 | Transmission and connection structure of electrical control high pressure common rail pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102705119A CN102705119A (en) | 2012-10-03 |
| CN102705119B true CN102705119B (en) | 2014-06-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210215493.1A Active CN102705119B (en) | 2012-06-27 | 2012-06-27 | Transmission and connection structure of electrical control high pressure common rail pump |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102705119B (en) |
| WO (1) | WO2014000414A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705119B (en) * | 2012-06-27 | 2014-06-11 | 无锡开普动力有限公司 | Transmission and connection structure of electrical control high pressure common rail pump |
| DE102014201789B4 (en) * | 2014-01-31 | 2022-01-05 | Bayerische Motoren Werke Aktiengesellschaft | Drive system of a high-pressure fuel pump, high-pressure fuel pump assembly and combustion engine |
| CN107366597B (en) * | 2017-09-15 | 2019-12-10 | 河南柴油机重工有限责任公司 | Arrangement structure of electronic control high-pressure common rail system in marine high-speed high-power diesel engine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1452769A1 (en) * | 2003-03-01 | 2004-09-01 | DEUTZ Aktiengesellschaft | Gear wheel drive of an internal combustion engine |
| CN201443449U (en) * | 2009-05-15 | 2010-04-28 | 东风朝阳柴油机有限责任公司 | Transmission mechanism for rail oil transfer pump |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19737491A1 (en) * | 1997-08-28 | 1999-03-04 | Daimler Benz Ag | Oil and fuel supply for internal combustion engine |
| DE19858861A1 (en) * | 1998-12-19 | 2000-06-29 | Bosch Gmbh Robert | Common-rail system for IC engines has minimum contact faces between high pressure pump and e.g. engine block |
| JP3965062B2 (en) * | 2002-03-06 | 2007-08-22 | 日野自動車株式会社 | Fuel pump drive structure |
| JP2008038848A (en) * | 2006-08-09 | 2008-02-21 | Yanmar Co Ltd | Fuel injection pump |
| DE102008003843A1 (en) * | 2008-01-10 | 2009-07-16 | Robert Bosch Gmbh | delivery unit |
| CN202690280U (en) * | 2012-06-27 | 2013-01-23 | 无锡开普动力有限公司 | Transmission and connection structure of electronic high pressure common rail pumps |
| CN102705119B (en) * | 2012-06-27 | 2014-06-11 | 无锡开普动力有限公司 | Transmission and connection structure of electrical control high pressure common rail pump |
-
2012
- 2012-06-27 CN CN201210215493.1A patent/CN102705119B/en active Active
-
2013
- 2013-06-17 WO PCT/CN2013/000706 patent/WO2014000414A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1452769A1 (en) * | 2003-03-01 | 2004-09-01 | DEUTZ Aktiengesellschaft | Gear wheel drive of an internal combustion engine |
| CN201443449U (en) * | 2009-05-15 | 2010-04-28 | 东风朝阳柴油机有限责任公司 | Transmission mechanism for rail oil transfer pump |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014000414A1 (en) | 2014-01-03 |
| CN102705119A (en) | 2012-10-03 |
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Application publication date: 20121003 Assignee: Wuxi Kaipu Dynamic Co., Ltd. Assignor: Kaipu Power Co., Ltd.,Wuxi Contract record no.: 2017320000107 Denomination of invention: Transmission and connection structure of electrical control high pressure common rail pump Granted publication date: 20140611 License type: Exclusive License Record date: 20170426 |
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| PP01 | Preservation of patent right | ||
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Effective date of registration: 20191011 Granted publication date: 20140611 |
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Date of cancellation: 20201120 Granted publication date: 20140611 |