CN108894849A - Diesel engine twin-tub camshaft lubrication system - Google Patents
Diesel engine twin-tub camshaft lubrication system Download PDFInfo
- Publication number
- CN108894849A CN108894849A CN201810989672.8A CN201810989672A CN108894849A CN 108894849 A CN108894849 A CN 108894849A CN 201810989672 A CN201810989672 A CN 201810989672A CN 108894849 A CN108894849 A CN 108894849A
- Authority
- CN
- China
- Prior art keywords
- camshaft
- axis front
- shoe cream
- cream room
- tub
- 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
- 238000005461 lubrication Methods 0.000 title claims abstract description 22
- 239000006071 cream Substances 0.000 claims abstract description 21
- 241001416181 Axis axis Species 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 239000000314 lubricant Substances 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 27
- 239000010721 machine oil Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M9/00—Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00
- F01M9/10—Lubrication of valve gear or auxiliaries
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M9/00—Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00
- F01M9/10—Lubrication of valve gear or auxiliaries
- F01M9/101—Lubrication of valve gear or auxiliaries of cam surfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M9/00—Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00
- F01M9/10—Lubrication of valve gear or auxiliaries
- F01M9/106—Oil reservoirs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
The present invention provides a kind of diesel engine twin-tub camshaft lubrication system, including camshaft, the camshaft includes sequentially connected axis front end, gear mounting portion, axle journal and shaft rear end, the axle journal is equipped with multiple cams, shoe cream room is equipped with inside the camshaft, the end face of the axis front end is equipped with the oil inlet being connected to shoe cream room, the axis front end is mounted in the camshaft shaft hole of side cover, and gap is equipped between the end face and side cover of axis front end, the outer wall of the axis front end is equipped with helical oil groove, is also distributed multiple oil outlets being connected to shoe cream room on the axle journal.Axis front end is lubricated the joint face of camshaft and side cover using helical oil groove, and the lubrication at the positions such as axle journal, cam is realized by shoe cream room and along the oil outlet of axis distribution, improves lubricant effect.
Description
Technical field
The present invention relates to Diesel Engine Technique Fields, more particularly to a kind of diesel engine twin-tub camshaft lubrication system.
Background technique
Diesel-driven generator is a kind of small power generation equipment, means with diesel oil etc. as fuel, drives by prime mover of diesel engine
The dynamic power machine of electrical power generators.A whole set of unit is generally by diesel engine, generator, control cabinet, fuel tank, starting and control storage
The components such as storage battery composition.
The camshaft of diesel engine is the metallic rod for having multiple disc cams.This root metallic rod is in engine operation
It is mainly responsible for the opening and closing of inlet and outlet door and the fuel feeding of oil pump.Camshaft constantly rotates under the drive of crankshaft, convex
Wheel just constantly pushes valve (rocker arm or mandril) by transfer bar mechanism, to realize that control intake and exhaust valves are opened and closed
The function of closing.
The normal operation of camshaft be unable to do without lubricating system, is mainly concerned with camshaft and transmission gear, transfer bar mechanism
Lubrication, the lubrication of existing diesel are all to have got rid of the intracorporal oil of chamber to realize crankshaft, cam by the rotation of the gear of lubricating oil pump
The lubrication of equal all parts.Due to the centrifugal force generated on course of work middle gear be it is certain, it is closer apart from gear ratio
Components lubrication circumstances are relatively good, and the component far from gear, may can not be thrown to above it due to oil, lubrication circumstances compare
Difference, complete machine lubrication is unbalanced, and peripheral components are easy for abrasion and damage.
Summary of the invention
The technical problem to be solved by the present invention is to:In order to overcome the shortcomings in the prior art, the present invention provides a kind of bavin
Oil machine twin-tub camshaft lubrication system.
The present invention solves its technical problem technical solution to be taken:A kind of diesel engine twin-tub camshaft lubrication system
System, including camshaft, the camshaft include sequentially connected axis front end, gear mounting portion, axle journal and shaft rear end, the axle journal
It multiple cams is equipped with, is equipped with shoe cream room inside the camshaft, the end face of the axis front end is equipped with to be connected to shoe cream room
Oil inlet, the axis front end are mounted in the camshaft shaft hole of side cover, and gap, institute are equipped between the end face and side cover of axis front end
The outer wall for stating axis front end is equipped with helical oil groove, is also distributed multiple oil outlets being connected to shoe cream room on the axle journal.
Preferably, the cam is disc cam.
Further, in order to realize the fixed installation of gear, the gear mounting portion is equipped with the keyway for installing gear
And flange.Gear and cam axle key cooperate, and flange can be to avoid gear shaft to movement.
Preferably, the position of the oil outlet is not overlapped with the position of the cam.Oil outlet is distributed in not setting for axle journal
The part for setting cam, separates with cam position, sprays out of oil outlet convenient for machine oil, is lubricated to cam.
Preferably, the shoe cream room is arranged along the axis of camshaft.
The beneficial effects of the invention are as follows:A kind of diesel engine twin-tub camshaft lubrication system provided by the invention, axis front end is adopted
With helical oil groove, the joint face of camshaft and side cover is lubricated, and lubricating oil is pressed into shoe cream room and body cam shaft
Hole is lubricated camshaft and body joint face, realizes axle journal, cam etc. by shoe cream room and along the oil outlet of axis distribution
The lubrication at position, improves lubricant effect.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the schematic perspective view of camshaft of the present invention.
Fig. 2 is the main view of camshaft.
Fig. 3 is the schematic diagram of the section structure of A-A in Fig. 2.
Fig. 4 is the assembling structure schematic diagram of camshaft and side cover.
In figure:100, camshaft, 1, axis front end, 2, gear mounting portion, 3, axle journal, 4, shaft rear end, 5, cam, 6, oil inlet
Mouthful, 7, shoe cream room, 8, oil outlet, 10, helical oil groove, 11, gap, 12, flange, 13, keyway, 200, side cover, 300, gear.
Specific embodiment
Presently in connection with attached drawing, the present invention is described in detail.This figure is simplified schematic diagram, is only illustrated in a schematic way
Basic structure of the invention, therefore it only shows the composition relevant to the invention.
As Figure 1-Figure 4, a kind of diesel engine twin-tub camshaft lubrication system of the invention, including camshaft 100, it is described
Camshaft 100 includes sequentially connected axis front end 1, gear mounting portion 2, axle journal 3 and shaft rear end 4, and the axle journal 3 is equipped with multiple
Cam 5, shoe cream room 7 is equipped with inside the camshaft 100, and the end face of the axis front end 1 is equipped with the oil inlet being connected to shoe cream room 7
Mouth 6, the axis front end 1 is mounted in 100 axis hole of camshaft of side cover 200, and sets between the end face of axis front end 1 and side cover 200
There is gap 11, can enter in shoe cream room 7 in order to machine oil, the outer wall of the axis front end 1 is equipped with helical oil groove 10, the axle journal
Multiple oil outlets 8 being connected to shoe cream room 7 are also distributed on 3.
Preferably, the cam 5 is disc cam.
Further, in order to realize the fixed installation of gear 300, the gear mounting portion 2 is equipped with for installing gear 300
Keyway 13 and flange 12.Gear 300 and 100 key of camshaft cooperate, and flange 12 can move axially to avoid gear 300.
Preferably, the position of the oil outlet 8 is not overlapped with the position of the cam 5.Oil outlet 8 is distributed in axle journal 3
The part of not set cam 5 separates with 5 position of cam, sprays out of oil outlet 8 convenient for machine oil, is lubricated to cam 5.
Preferably, the shoe cream room 7 is arranged along the axis of camshaft 100.
Working principle:
As shown in figure 4, arrow indicates the flow direction of machine oil in figure, camshaft 100 is mounted in the camshaft 100 of side cover 200
In axis hole, gear 300 is mounted on the gear mounting portion 2 of camshaft 100.100 axis hole of camshaft and side cover of side cover 200
Oil piping system on 200 is connected to, and the machine oil in 100 axis hole of camshaft enters the helical oil groove 10 on axis front end 1, to side cover 200
It is lubricated with the contact surface of axis front end 1;By the high speed rotation of camshaft by the lubricating oil in helical oil groove continually from
Oil inlet 6 is pressed into shoe cream room 7 and to camshaft and body binding cavity, is lubricated, stores up to camshaft and body joint face
Machine oil in oil pocket 7 is sprayed out of oil outlet 8 that be distributed on axle journal 3, to realize the company on entire axle journal 3 and axle journal 3
The lubrication of relay part.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff
Various changes and amendments can be carried out without departing from the scope of the present invention completely.The technical scope of this invention is not
The content being confined on specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (5)
1. a kind of diesel engine twin-tub camshaft lubrication system, including camshaft, the camshaft include sequentially connected axis front end,
Gear mounting portion, axle journal and shaft rear end, the axle journal are equipped with multiple cams, it is characterised in that:It is equipped with inside the camshaft
Shoe cream room, the end face of the axis front end are equipped with the oil inlet being connected to shoe cream room, and the axis front end is mounted on the cam of side cover
In axis axis hole, and gap is equipped between the end face and side cover of axis front end, the outer wall of the axis front end is equipped with helical oil groove, described
Multiple oil outlets being connected to shoe cream room are also distributed on axle journal.
2. diesel engine twin-tub camshaft lubrication system as described in claim 1, it is characterised in that:The cam is that disc is convex
Wheel.
3. diesel engine twin-tub camshaft lubrication system as described in claim 1, it is characterised in that:It is set on the gear mounting portion
There are the keyway and flange for installing gear.
4. diesel engine twin-tub camshaft lubrication system as described in claim 1, it is characterised in that:The position of the oil outlet with
The position of the cam is not overlapped.
5. diesel engine twin-tub camshaft lubrication system as described in claim 1, it is characterised in that:The shoe cream room is along camshaft
Axis setting.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810989672.8A CN108894849A (en) | 2018-08-28 | 2018-08-28 | Diesel engine twin-tub camshaft lubrication system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810989672.8A CN108894849A (en) | 2018-08-28 | 2018-08-28 | Diesel engine twin-tub camshaft lubrication system |
Publications (1)
Publication Number | Publication Date |
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CN108894849A true CN108894849A (en) | 2018-11-27 |
Family
ID=64359747
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201810989672.8A Pending CN108894849A (en) | 2018-08-28 | 2018-08-28 | Diesel engine twin-tub camshaft lubrication system |
Country Status (1)
Country | Link |
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CN (1) | CN108894849A (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2567349Y (en) * | 2002-09-06 | 2003-08-20 | 重庆宗申技术开发研究有限公司 | Internet oil-pipe lubricating device of camshaft of motorcycle |
CN201461023U (en) * | 2009-07-13 | 2010-05-12 | 奇瑞汽车股份有限公司 | Camshaft lubrication structure with VVT |
CN201723261U (en) * | 2010-07-26 | 2011-01-26 | 上海通用汽车有限公司 | Exhaust cam shaft for engine |
CN105240067A (en) * | 2015-11-05 | 2016-01-13 | 重庆驰龙摩托车配件有限公司 | Cam shaft structure of motorcycle engine |
CN107956536A (en) * | 2017-10-27 | 2018-04-24 | 广西玉柴机器股份有限公司 | The lubrication system of V-type diesel camshaft |
CN208702485U (en) * | 2018-08-28 | 2019-04-05 | 常州市海润机电有限公司 | Diesel engine twin-tub camshaft lubrication system |
-
2018
- 2018-08-28 CN CN201810989672.8A patent/CN108894849A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2567349Y (en) * | 2002-09-06 | 2003-08-20 | 重庆宗申技术开发研究有限公司 | Internet oil-pipe lubricating device of camshaft of motorcycle |
CN201461023U (en) * | 2009-07-13 | 2010-05-12 | 奇瑞汽车股份有限公司 | Camshaft lubrication structure with VVT |
CN201723261U (en) * | 2010-07-26 | 2011-01-26 | 上海通用汽车有限公司 | Exhaust cam shaft for engine |
CN105240067A (en) * | 2015-11-05 | 2016-01-13 | 重庆驰龙摩托车配件有限公司 | Cam shaft structure of motorcycle engine |
CN107956536A (en) * | 2017-10-27 | 2018-04-24 | 广西玉柴机器股份有限公司 | The lubrication system of V-type diesel camshaft |
CN208702485U (en) * | 2018-08-28 | 2019-04-05 | 常州市海润机电有限公司 | Diesel engine twin-tub camshaft lubrication system |
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PB01 | Publication | ||
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Application publication date: 20181127 |