CN106870232A - Engine high pressure common rail pump drive mechanism - Google Patents
Engine high pressure common rail pump drive mechanism Download PDFInfo
- Publication number
- CN106870232A CN106870232A CN201710067810.2A CN201710067810A CN106870232A CN 106870232 A CN106870232 A CN 106870232A CN 201710067810 A CN201710067810 A CN 201710067810A CN 106870232 A CN106870232 A CN 106870232A
- Authority
- CN
- China
- Prior art keywords
- common rail
- rail pump
- gear
- chamber cover
- pump
- 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.)
- Pending
Links
Classifications
-
- 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
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
- F02M55/025—Common rails
-
- 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
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention belongs to technical field of engines, it is related to a kind of engine high pressure common rail pump drive mechanism, including common rail pump, it is characterised in that：The input of the common rail pump fixes coupling piece in the middle of common rail pump, coupling piece joint face is sealedly and fixedly connected with gear chamber cover in the middle of common rail pump, common rail pump gear shaft is rotated and is arranged in the cavity of gear chamber cover, the internal spline of the common rail pump gear shaft is engaged with the male splined shaft of common rail pump, and common rail pump gear is equipped with the diameter of axle of common rail pump gear shaft；In the cavity of the gear chamber cover also rotate set common rail pump driving gearshaft, the first common rail pump drive gear, the second common rail pump drive gear are set on the common rail pump driving gearshaft, wherein the second common rail pump drive gear rail pump gear is meshed together.The drive mechanism energy effectively lubricating, for common rail pump provides pump oil power.
Description
Technical field
The invention belongs to technical field of engines, it is related to a kind of engine high pressure common rail pump drive mechanism.
Background technology
At present, frequently with sliding bearing structure and the side of circular cone interference fit joint in engine high pressure common rail pump driving structure
Formula.The shortcoming of this frame mode is that the cone face process for coordinating is inconvenient；Sliding bearing transmission efficiency is low, and caloric value is big, lubrication
Safeguard inconvenient；Sliding bearing can not simultaneously bear radial and axial load；Sliding bearing is suitable in load, rotating speed and operating temperature
The shortcomings of answering narrow range.
The content of the invention
The present invention is regarding to the issue above, there is provided a kind of engine high pressure common rail pump drive mechanism, the drive mechanism can be effective
Lubrication, for common rail pump provides pump oil power.
According to technical scheme：A kind of engine high pressure common rail pump drive mechanism, including common rail pump, its feature exist
In：It is close with gear chamber cover that the input of the common rail pump fixes coupling piece joint face in the middle of coupling piece in the middle of common rail pump, common rail pump
Envelope is fixedly connected, common rail pump gear shaft rotate be arranged in the cavity of gear chamber cover, the internal spline of the common rail pump gear shaft with
The male splined shaft of common rail pump is engaged, and common rail pump gear is equipped with the diameter of axle of common rail pump gear shaft；The gear chamber cover
Also rotated in cavity and common rail pump driving gearshaft is set, the first common rail pump driving cog is set on the common rail pump driving gearshaft
Wheel, the second common rail pump drive gear, wherein the second common rail pump drive gear rail pump gear is meshed together；On the gear chamber cover
Corresponding to the first lubricating oil pipe is set at the endface position of common rail pump driving gearshaft, common rail pump driving gearshaft is provided with axial direction
Through hole, is provided with the second lubricating oil pipe, on common rail pump gear shaft at the end position that common rail pump gear shaft is corresponded on gear chamber cover
It is provided with axially extending bore.
As a further improvement on the present invention, described common rail pump gear shaft one end passes through 3rd bearing rotating support in gear
On chamber cap, the other end is by clutch shaft bearing rotating support on coupling piece in the middle of common rail pump.
As a further improvement on the present invention, sealing ring is set between the gear chamber cover and common rail pump centre coupling piece.
As a further improvement on the present invention, the open-ended place of the gear chamber cover is tightly connected common rail driving gearshaft
Lid, common rail pump driving gearshaft two ends are respectively by second bearing rotating support on common rail travelling gear shaft-cup, gear chamber cover.
As a further improvement on the present invention, the combination of first lubricating oil pipe, the second lubricating oil pipe and gear chamber cover
Place is respectively provided with flat seal packing ring.
The technical effects of the invention are that：Not only bearing capacity is high for product of the present invention, and centering, guidance quality are good, stress collection
In it is smaller, axle is small with hub strength reduction；And the bi-directional axial movement of power transmission shaft can be limited in the range of the clearance of bearing；Flowing
Lubricating oil not only beneficial to bearing lubrication, also help bearing cooling radiating.And then can be effectively the pump oil of common rail pump
Structure provides power.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Specific embodiment
Specific embodiment of the invention is further described below in conjunction with the accompanying drawings.
In Fig. 1, including common rail pump gear shaft 1, common rail pump gear 2, clutch shaft bearing 3, second bearing 4, common rail travelling gear
Shaft-cup 5, common rail pump driving gearshaft 6, the first common rail pump drive gear 7, the second common rail pump drive gear 8, the first lubricating oil pipe
9th, coupling piece 11 in the middle of common rail pump 10, common rail pump, sealing ring 12, gear chamber cover 13, seal washer 14, the second lubricating oil pipe 15, the
Three bearings 16 etc..
As shown in figure 1, the present invention is a kind of engine high pressure common rail pump drive mechanism, including common rail pump 10, the common rail
It is solid with the sealing of gear chamber cover 13 that the input of pump 10 fixes the joint face of coupling piece 11 in the middle of coupling piece 11 in the middle of common rail pump, common rail pump
Fixed connection, common rail pump gear shaft 1 is rotated and is arranged in the cavity of gear chamber cover 13, the internal spline of the common rail pump gear shaft 1 with
The male splined shaft of common rail pump 10 is engaged, and common rail pump gear 2 is equipped with the diameter of axle of common rail pump gear shaft 1；The gear chamber
Also rotated in the cavity of lid 13 and common rail pump driving gearshaft 6 is set, first common rail pump is set on the common rail pump driving gearshaft 6
Travelling gear 7, the second common rail pump drive gear 8, wherein the second common rail pump drive gear 8 is meshed with common rail pump gear 2；It is described
Corresponding to the first lubricating oil pipe 9 of setting, common rail pump driving cog at the endface position of common rail pump driving gearshaft 6 on gear chamber cover 13
Wheel shaft 6 is provided with axially extending bore, and the second lubricating oil is provided with the end position that common rail pump gear shaft 1 is corresponded on gear chamber cover 13
Pipe 15, common rail pump gear shaft 1 is provided with axially extending bore.
By the rotating support of 3rd bearing 16 on gear chamber cover 13, the other end passes through first to the one end of common rail pump gear shaft 1
The rotating support of bearing 3 is on coupling piece 11 in the middle of common rail pump.
Sealing ring 12 is set in the middle of gear chamber cover 13 and common rail pump between coupling piece 11.
The open-ended place of gear chamber cover 13 is tightly connected common rail travelling gear shaft-cup 5, the two ends of common rail pump driving gearshaft 6
Respectively by the rotating support of second bearing 4 on common rail travelling gear shaft-cup 5, gear chamber cover 13.
First lubricating oil pipe 9, the second lubricating oil pipe 15 are respectively provided with flat seal packing ring with the junction of gear chamber cover 13
14.First lubricating oil pipe 9 is used to lubricating common rail pump driving gearshaft 6 and the common rail pump drive gear 7 of second bearing 4 and first, the
Two common rail pump drive gears 8；Second lubricating oil pipe 15 is used to lubricate common rail pump gear shaft 1 and 3rd bearing 16, common rail pump gear 2
With clutch shaft bearing 3.In order to ensure preferable lubricant effect, the oil-out of the first lubricating oil pipe 9 typically with common rail pump drive gear
The through hole of axle 6 is coaxially disposed, and the through hole of the oil-out of the second lubricating oil pipe 15 typically with common rail pump gear axle 1 is coaxially disposed.
The present invention will ensure that the first common rail pump drive gear 7 is engaged with engine timing gear in assembling, the second common rail
Pump drive gear 8 is meshed with common rail pump gear 2.
Claims (5)
1. a kind of engine high pressure common rail pump drive mechanism, including common rail pump（10）, it is characterised in that：The common rail pump（10）'s
Input fixes coupling piece in the middle of common rail pump（11）, coupling piece in the middle of common rail pump（11）Joint face and gear chamber cover（13）Sealing is solid
Fixed connection, common rail pump gear shaft（1）Rotation is arranged at gear chamber cover（13）Cavity in, the common rail pump gear shaft（1）It is interior
Spline and common rail pump（10）Male splined shaft be engaged, common rail pump gear shaft（1）The diameter of axle on be equipped with common rail pump gear
（2）；The gear chamber cover（13）Cavity in also rotate set common rail pump driving gearshaft（6）, the common rail pump drive gear
Axle（6）The first common rail pump drive gear of upper setting（7）, the second common rail pump drive gear（8）, wherein the second common rail pump drive gear
（8）With common rail pump gear（2）It is meshed；The gear chamber cover（13）It is upper to correspond to common rail pump driving gearshaft（6）End face position
Put place and the first lubricating oil pipe is set（9）, common rail pump driving gearshaft（6）It is provided with axially extending bore, gear chamber cover（13）Upper correspondence
In common rail pump gear shaft（1）End position at be provided with the second lubricating oil pipe（15）, common rail pump gear shaft（1）It is provided with axially logical
Hole.
2. engine high pressure common rail pump drive mechanism as claimed in claim 1, it is characterised in that：The common rail pump gear shaft
（1）One end passes through 3rd bearing（16）Rotating support is in gear chamber cover（13）On, the other end passes through clutch shaft bearing（3）Rotating support
The coupling piece in the middle of common rail pump（11）On,.
3. engine high pressure common rail pump drive mechanism as claimed in claim 1, it is characterised in that：The gear chamber cover（13）With
Coupling piece in the middle of common rail pump（11）Between sealing ring is set（12）.
4. engine high pressure common rail pump drive mechanism as claimed in claim 1, it is characterised in that：The gear chamber cover（13）'s
Open-ended place is tightly connected common rail travelling gear shaft-cup（5）, common rail pump driving gearshaft（6）Two ends pass through second bearing respectively
（4）Rotating support is in common rail travelling gear shaft-cup（5）, gear chamber cover（13）On.
5. engine high pressure common rail pump drive mechanism as claimed in claim 1, it is characterised in that：First lubricating oil pipe
（9）, the second lubricating oil pipe（15）With gear chamber cover（13）Junction be respectively provided with flat seal packing ring（14）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710067810.2A CN106870232A (en) | 2017-02-07 | 2017-02-07 | Engine high pressure common rail pump drive mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710067810.2A CN106870232A (en) | 2017-02-07 | 2017-02-07 | Engine high pressure common rail pump drive mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106870232A true CN106870232A (en) | 2017-06-20 |
Family
ID=59165847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710067810.2A Pending CN106870232A (en) | 2017-02-07 | 2017-02-07 | Engine high pressure common rail pump drive mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106870232A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420240A (en) * | 2017-08-30 | 2017-12-01 | 河南柴油机重工有限责任公司 | A kind of Design of High Pressure Common Rail Diesel Engine drives common rail pump idler gear erecting device |
| CN108915919A (en) * | 2018-08-28 | 2018-11-30 | 河南柴油机重工有限责任公司 | A kind of Design of High Pressure Common Rail Diesel Engine common rail pump drive |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1403730A (en) * | 1971-12-24 | 1975-08-28 | Magyar Vagon Es Gepgyar | Lubricating system for a tandem axle construction in a road vehicle |
| JPS5517698A (en) * | 1978-07-26 | 1980-02-07 | Ford Motor Co | Fuel injection pump |
| DE102006028851A1 (en) * | 2006-06-23 | 2007-12-27 | Schaeffler Kg | piston pump |
| CN201277432Y (en) * | 2008-10-13 | 2009-07-22 | 浙江平柴泵业有限公司 | Novel oil pump |
| US20120247875A1 (en) * | 2011-03-31 | 2012-10-04 | Masayoshi Suzuta | Lubrication structure for engine |
-
2017
- 2017-02-07 CN CN201710067810.2A patent/CN106870232A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1403730A (en) * | 1971-12-24 | 1975-08-28 | Magyar Vagon Es Gepgyar | Lubricating system for a tandem axle construction in a road vehicle |
| JPS5517698A (en) * | 1978-07-26 | 1980-02-07 | Ford Motor Co | Fuel injection pump |
| DE102006028851A1 (en) * | 2006-06-23 | 2007-12-27 | Schaeffler Kg | piston pump |
| CN201277432Y (en) * | 2008-10-13 | 2009-07-22 | 浙江平柴泵业有限公司 | Novel oil pump |
| US20120247875A1 (en) * | 2011-03-31 | 2012-10-04 | Masayoshi Suzuta | Lubrication structure for engine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420240A (en) * | 2017-08-30 | 2017-12-01 | 河南柴油机重工有限责任公司 | A kind of Design of High Pressure Common Rail Diesel Engine drives common rail pump idler gear erecting device |
| CN108915919A (en) * | 2018-08-28 | 2018-11-30 | 河南柴油机重工有限责任公司 | A kind of Design of High Pressure Common Rail Diesel Engine common rail pump drive |
| CN108915919B (en) * | 2018-08-28 | 2023-10-20 | 河南柴油机重工有限责任公司 | Common rail pump driving device of high-pressure common rail diesel engine |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170620 |