CN104074569A - Lubrication system applied to undergraduate formula car engine - Google Patents

Lubrication system applied to undergraduate formula car engine Download PDF

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Publication number
CN104074569A
CN104074569A CN201410285803.6A CN201410285803A CN104074569A CN 104074569 A CN104074569 A CN 104074569A CN 201410285803 A CN201410285803 A CN 201410285803A CN 104074569 A CN104074569 A CN 104074569A
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China
Prior art keywords
fuel filter
oil
lubrication system
oil pan
engine
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CN201410285803.6A
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Chinese (zh)
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CN104074569B (en
Inventor
刘德辉
朱刚
黄树程
程李彦
朱筱萌
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South China University of Technology SCUT
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South China University of Technology SCUT
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Abstract

The invention discloses a lubrication system applied to an undergraduate formula car engine. The lubrication system comprises a novel oil pan detachably arranged on the bottom of the engine, a suction filter with one end thereof arranged in the novel oil pan and the other end thereof connected with an oil pump, and an oil pan baffle arranged between the novel oil pan and the engine. The lubrication system applied to the undergraduate formula car engine can reduce the installation position of the engine efficiently, lower the center of gravity of the whole car and improve handling quality of the car as the novel oil pan is arranged, reduces swinging of an oil liquid and reduces occurrence of oil starvation phenomena of the lubrication system as the oil pan baffle is utilized, can be applicable to requirements of a new lubrication system and can perform necessary adjustment to accord with different conditions as the newly designed suction filter is additionally provided, guarantees that the lubrication system of the engine still can work normally when the car is in a vigorous change condition, and reduces damage from poor lubrication to the engine.

Description

A kind of lubrication system that is applied to university student's equation motorcycle race motor
Technical field
The present invention relates to racing engine lubrication system, relate in particular to a kind of lubrication system of the university student's of being applied to equation motorcycle race motor.
Background technique
(Formula Student China is called for short: the Automobile Design and Manufacturing that FSC) Shi Yixiangyou institution of higher learning automotive engineering or automobile relevant speciality students form a team to participate in is competed the contest of Chinese college students formula car.The vehicle of competition need to be tested in a series of Static and dynamic project, comprising having: technical inspection, fabricating cost analysis, sales reports, racing car design, individual event testing property and good racing track durability.S-Power fleet of Guangzhou Automobile Workshop of South China Science & Engineering University had participated in the Chinese college students equation race of four since founding the team from 2009, as shown in Figure 1, we select this match is the motor of Kawasaki ZX-6R 07, and this is a motor on motorcycle that was originally arranged on.
The original-pack oil sump shape of Kawasaki ZX-6R 07 is V-shaped, and design itself is exactly can avoid engine lubrication system to lack the generation of oil condition in order to cross at motorcycle when curved.But motorcycle driver can roll several angle motorcycle and offset the impact bringing when side acceleration is rocked to lubricant oil when excessively curved, and our four-wheel racing car cannot, so must consider that a kind of method reduces the impact of the caused insufficient lubrication of rocking of lubricating oil.
For FSAE racing car, after the height of center of mass of car load declines, in racing car, to accelerate, in the process of braking and turning, the axle load transfer amount of quality can reduce, and tire is provided by the adhesion providing like this can increase, thereby improves the manoeuvring performance of car load.Thereby the height by oil sump reduces car load center of gravity and can have a great impact the manoeuvring performance of car load.
Major significance of the present invention is, by changing height and the shape of engine sump tank, to realize the decline of motor setting height(from bottom), thereby reduces car load height of center of mass.Guarantee that racing car is when operating mode acute variation, the lubrication system of motor still can normally be worked simultaneously, reduces insufficient lubrication and infringement that motor is caused.
Summary of the invention
The present invention, existing technical, for the deficiency of existing oil sump, is designed for the oil sump form of university student's equation contest lubrication system.The present invention can realize: thereby effectively reduce motor setting height(from bottom), reduce car load height of center of mass to realize better racing car maneuverability, and the effective work that guarantees racing car lubrication system under various operating modes.
In order to realize above-mentioned task, patent of the present invention adopts following technological scheme to be achieved:
A kind of lubrication system that is applied to university student's equation motorcycle race motor, comprise the fuel filter that Novel oil pan, one end are placed in Novel oil pan and the other end is connected with oil pump that is arranged on removably generator bottom, described Novel oil pan height is 45mm-50mm, the leg and the planar Novel oil pan bottom surface that comprise integral molding, on the installation end face of described Novel oil pan and motor, be evenly provided with drain pan mounting hole, positioning pin hole;
Described fuel filter comprises fuel filter upper connection, fuel filter oil inlet pipe, fuel filter lower end upper plate, fuel filter lower end lower plate, described fuel filter lower end upper plate arranges bolt after fastening with fuel filter lower end lower plate and is connected in M4 through hole, described fuel filter oil inlet pipe lower end is scarf and is welded on the upper plate of described fuel filter lower end, described fuel filter upper connection one end is connected with fuel filter oil inlet pipe upper end by internal thread, and the other end is connected with oil pump by oil pump connection mouth;
Between described Novel oil pan and motor, be also provided with oil sump baffle plate, described oil sump baffle plate is provided with mounting hole along edge, and described oil sump baffle plate middle part is provided with fuel filter by groove, and described fuel filter is by being provided with spill port between groove and mounting hole.
Further, on described fuel filter oil inlet pipe, be also provided with for locking the locking nut of fuel filter upper connection.
Further, between described fuel filter lower end upper plate and fuel filter lower end lower plate, be also provided with filter screen.
Further, the thickness of described oil sump baffle plate is 1mm-3mm
Further, on described Novel oil pan, be also provided with oil discharge screw hole, oil temperature sensor mounting hole, for oil discharge screw hole and oil temperature sensor mounting hole, the former is in order to realize draining and changing of machine oil in the situation that not needing to remove whole oil sump, the latter is in order to monitor the oil temperature situation in motor operation, to judge the working condition of motor with this.
Novel oil pan adopts the method for three-dimensional modeling and digital control processing to process, and therefore need to measure a part of relevant parameter for setting up threedimensional model.For oil sump mounting plane, while being arranged on the crankcase of motor due to oil sump, be Sealing, be again fastening piece, so the surface accuracy of the positional accuracy of mounting hole and mounting plane is had relatively high expectations.In order to design processing, obtain Novel oil pan, need to adopt ATOS optical scanner and three-coordinates measuring machine, respectively the coordinate at the mounting hole on the external frame parameter of original-pack oil sump and mounting plane and pin-and-hole center is accurately measured, guarantee the accuracy of mounting plane processing, avoid the oil leakage phenomenon causing due to parameter error; For Novel oil pan, when reducing height, guarantee that its volume is more than or equal to original-pack oil sump volume as far as possible, therefore whole shape is comparatively flat; Described oil sump baffle plate is mainly the motion that restriction is stored in the machine oil of oil sump inside, make machine oil racing car under various extreme operating conditions (as anxious acceleration, anxious braking and excessively curved at a high speed) can major part remain in oil sump, prevent that fuel filter lacks the generation of oil condition.Oil sump baffle plate is arranged between Novel oil pan and the crankcase of motor, is due to after oil sump height reduces, for guarantee lubrication system normally requirements of one's work design.Oil sump baffle plate has following functions: can effectively intercept machine oil in Novel oil pan and move upward toward the crankcase side of motor; On oil sump baffle plate, offer spill port, can make the machine oil refluxing in motor normally fall after rise to oil sump; Can make fuel filter normally work; Oil sump baffle plate is arranged between engine crankcase and oil sump, can keep good fastening and sealing.Oil sump baffle plate take mounting plane size and mounting hole centralized positioning as basis, carry out three-dimensional modeling, finally by numerical control machine tool, complete processing.
The oil sump original-pack due to Novel oil pan aspect ratio is low, thereby the original-pack fuel filter that is arranged on engine bottom is inapplicable, needs design and processes new improved fuel filter.Fuel filter upper connection is connected with oil pump filler opening, and its size is consistent with the size of original-pack fuel filter.Like this guarantee after installing seal ring can and filler opening keep good sealing.Therefore, the foundation of model need to be measured the size of original-pack fuel filter, uses vernier calliper just can record the relevant size of original-pack fuel filter joint.By these sizes, can successfully set up fuel filter upper connection model, with seasonal fuel filter upper connection, use and be threaded with next parts (being fuel filter oil inlet pipe), at fuel filter upper connection lower end design internal thread.Locking nut Main Function be locking fuel filter upper connection with fuel filter oil inlet pipe between be threaded, the while can regulate the height of fuel filter, facilitates the installation of Novel oil pan.The internal diameter of fuel filter oil inlet pipe is identical with original-pack fuel filter, guarantees that the flow of supplying machine oil pump is certain.At fuel filter oil inlet pipe and fuel filter upper connection joint design outside thread, make both can pass through locking nut secure fit.Fuel filter oil inlet pipe lower end is designed to scarf, makes the bottom of fuel filter parallel with oil sump bottom.Fuel filter lower end upper plate and fuel filter oil inlet pipe are used and are welded to connect, and design onboard the through hole of three 4mm diameters, conveniently use bolt to be connected with fuel filter lower end lower plate.Fuel filter lower end lower plate is used preset torque nut to be connected with fuel filter lower end upper plate by M4 bolt, plays locking effect when vibrated.In lower plate, also designed the space of placing filter screen, when completing assembling, filter screen can be fixed in the middle of upper and lower plates.Improved fuel filter bottom can by M4 bolt, increase that pad regulates and oil sump between distance, to realize best oil suction space.
Beneficial effect of the present invention is as follows:
1. conscientiously reduced the height of oil sump.Original-pack oil sump height is 91.715mm.Novel oil pan makes the setting height(from bottom) of motor reduce about 40mm, and due to engine weight, to account for complete vehicle weight proportion larger, is equivalent to car load height of center of mass and reduced about 10mm, and the control stability of car load is significantly increased;
2. by the effect of oil sump baffle plate, guarantee that racing car is under various limited conditionss, bottom fuel filter can absorb fluid, and lubrication system can normally be worked;
3. adopt ATOS optical scanner and three-coordinates measuring machine to measure the parameter of original-pack oil sump, then carry out three-dimensional modeling and digital control processing, guarantee that the mounting plane size of oil sump is accurate, avoid fluid to reveal;
4. newly-designed fuel filter can, by certain adjusting, meet the job requirement of Novel oil pan.
Accompanying drawing explanation
Fig. 1 is Kawasaki ZX-6R 07 engine interior lubricating chart.
Fig. 2 is the structural representation of the Novel oil pan of the embodiment of the present invention.
Fig. 3 is the structural representation of the oil sump baffle plate of the embodiment of the present invention.
Fig. 4 is the assembly structure schematic diagram of the fuel filter of the embodiment of the present invention.
Fig. 5 is the exploded perspective view of the fuel filter of the embodiment of the present invention.
1. camshaft lubrication oil circuits, 2. exhaust cam shaft, 3. oil filter in figure, 4. machine oil cooler, 5. admission cam shaft, 6. oil pump, 7. Novel oil pan, 8. drain pan mounting hole, 9. positioning pin hole, 10. mounting plane, 11. Novel oil pan bottom surfaces, 12. dividing plate mounting holes, 13. fuel filters are by groove, 14. spill ports, 15. oil pump connection mouths, 16. fuel filters, 17.M4 through hole, 18. fuel filter upper connections, 19. locking nuts, 20. fuel filter oil inlet pipes, 21. fuel filter lower end upper plates, 22. fuel filter lower end lower plates.
Embodiment
Below in conjunction with the drawings and specific embodiments, goal of the invention of the present invention is described in further detail, embodiment can not repeat one by one at this, but therefore embodiments of the present invention are not defined in following examples.
In Fig. 1, shown existing Kawasaki ZX-6R 07 engine interior lubricating chart, fluid was stored in oil sump before this, when engine operation, by oil pump 6, lubricating oil is moved to upper position of engine through the extraction of fuel filter, first through oil filter 3 and 4 pairs of lubricant oil of machine oil cooler, filter and lower the temperature, then enter main oil gallery, machine oil is dispensed in gear-box and crankshaft bearing and is lubricated, finally upwards be sent in camshaft lubrication oil circuit 1, exhaust cam shaft 2 and admission cam shaft 5 are lubricated.Machine oil can fall after rise to oil sump because of Action of Gravity Field later lubricated, prepares the lubricated circulation of a new round.
The present embodiment as shown in Figure 2-5, a kind of lubrication system that is applied to university student's equation motorcycle race motor, comprise the Novel oil pan 7 that is arranged on removably generator bottom, the fuel filter 16 that one end is placed in Novel oil pan 7 and the other end is connected with oil pump 6, described Novel oil pan 7 is highly 45mm-50mm, the height of the present embodiment is 50mm, also can be as required for being made as 45mm or 48mm, described Novel oil pan 7 comprises leg and the planar Novel oil pan bottom surface 11 of integral molding, on the installation end face 10 of described Novel oil pan 7 and motor, be evenly provided with drain pan mounting hole 8, positioning pin hole 9,
Described fuel filter 16 comprises fuel filter upper connection 18, fuel filter oil inlet pipe 20, fuel filter lower end upper plate 21, fuel filter lower end lower plate 22, described fuel filter lower end upper plate 21 is connected at the interior bolt that arranges of M4 through hole 17 after fastening with fuel filter lower end lower plate 22, described fuel filter oil inlet pipe 20 lower ends are scarf and are welded on described fuel filter lower end upper plate 21, described fuel filter upper connection 18 one end are connected with fuel filter oil inlet pipe 20 upper ends by internal thread, and the other end is connected with oil pump 6 by oil pump connection mouth;
Between described Novel oil pan 7 and motor, be also provided with oil sump baffle plate, described oil sump baffle plate is provided with dividing plate mounting hole 12 along edge, described oil sump baffle plate middle part is provided with fuel filter by groove 13, and described fuel filter is by being provided with spill port 14 between groove 13 and dividing plate mounting hole 12.
On described fuel filter oil inlet pipe 20, be also provided with for locking the locking nut 19 of fuel filter upper connection 18.
Between described fuel filter lower end upper plate 21 and fuel filter lower end lower plate 22, be also provided with filter screen.
The thickness of the oil sump baffle plate of the present embodiment is 2mm, as required, also thickness can be made as to 1mm or 3mm.
On described Novel oil pan 7, be also provided with oil discharge screw hole, oil temperature sensor dividing plate mounting hole, be convenient to discharge machine oil and detect oil temperature.
As shown in Figure 2, the profile on the mounting plane 10 of described Novel oil pan 7, drain pan mounting hole 8 and positioning pin hole 9 are consistent with original-pack oil sump, can be arranged on preferably on the crankcase of motor and guarantee that fluid do not reveal.The Novel oil pan bottom surface 11 of Novel oil pan 7 is smooth, when motor is located, guarantees Novel oil pan bottom surface 11Yu ground maintenance level as far as possible.By relatively finding, Novel oil pan 7 is comparatively short with respect to original-pack oil sump, can reduce motor and be arranged on the position on vehicle frame, reduces car load center of gravity simultaneously.But the insufficient lubrication phenomenon that now can't eliminate the fluid of motor under violent operating mode to rock and cause, therefore need to install oil sump baffle plate additional.
In Fig. 3, shown the tectonic maps of oil sump baffle plate, have above fuel filter by groove 13 for fuel filter normal mounting, also have spill port 14 and fall after rise to Novel oil pan 7 for the machine oil of engine interior oil circuit.The profile of oil sump baffle plate, dividing plate mounting hole and pin-and-hole are consistent with the mounting plane of Novel oil pan 7.Weir Plate Thickness is only 2mm, and due to the change of Novel oil pan 7 height, original original-pack fuel filter is inapplicable, therefore need to redesign a fuel filter.
As shown in Figures 4 and 5, oil pump connection mouth 15 is connected with oil pump 6 filler openings, needs to guarantee fluid sealing between the two.Fuel filter lower end upper plate 21 utilizes M4 bolt to be connected with preset moment lock nut with fuel filter lower end lower plate 22, can utilize pad to regulate fuel filter from the height of Novel oil pan bottom surface 11.Fuel filter oil inlet pipe 20 welds together with fuel filter lower end upper plate, and recycling locking nut is connected with fuel filter upper connection 18, and locking nut 19 places can highly regulate fuel filter 16 again, to adapt to installation requirement.Finally, at fuel filter lower end upper plate 21 and 22 of fuel filter lower end lower plates, place filter screen, filter the impurity of the larger particles of machine oil inside.
Racing car, under excessively curved at a high speed operating mode, can be subject to very large acceleration in side direction, and now the lubricating oil of Novel oil pan bottom, due to inertial force effect, starts toward the outside direction motion by turn direction.When there is no oil sump baffle effect, the liquid level of fluid may be lower than the oil suction plane of fuel filter 16, it is lubricated that thereby the lubricating oil that causes not having q.s is supplied to the main parts size of engine interior, when serious, may occur the problems such as bearing liner burnout, engine scuffing.After having installed oil sump baffle plate additional, fluid is crossed under curved operating mode and is started to keep to the side to move in high speed, now, due to the obstruct of oil sump baffle plate, lubricating oil can be remained in Novel oil pan preferably, has avoided the appearance of lubrication system petrol starvation.
The above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all mode of executions.All any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in the protection domain of the claims in the present invention.

Claims (5)

1. a lubrication system that is applied to university student's equation motorcycle race motor, comprise the fuel filter (16) that Novel oil pan (7), one end of being arranged on removably engine bottom are placed in Novel oil pan (7) and the other end is connected with oil pump (6), it is characterized in that: described Novel oil pan (7) is highly 45mm-50mm, the leg and the planar Novel oil pan bottom surface (11) that comprise integral molding, on the installation end face (10) of described Novel oil pan (7) and motor, be evenly provided with drain pan mounting hole (8), positioning pin hole (9);
Described fuel filter (16) comprises fuel filter upper connection (18), fuel filter oil inlet pipe (20), fuel filter lower end upper plate (21), fuel filter lower end lower plate (22), described fuel filter lower end upper plate (21) arranges bolt after fastening with fuel filter lower end lower plate (22) and is connected in M4 through hole (17), described fuel filter oil inlet pipe (20) lower end surface is scarf and is welded on described fuel filter lower end upper plate (21), described fuel filter upper connection (18) one end is connected with fuel filter oil inlet pipe (20) upper end by internal thread, the other end is connected with oil pump (6) by oil pump connection mouth (15),
Between described Novel oil pan (7) and motor, be also provided with oil sump baffle plate, described oil sump baffle plate is provided with mounting hole (12) along edge, described oil sump baffle plate middle part is provided with fuel filter by groove (13), and described fuel filter is by being provided with spill port (14) between groove (13) and mounting hole (12).
2. the lubrication system that is applied to university student's equation motorcycle race motor according to claim 1, is characterized in that: on described fuel filter oil inlet pipe (20), be also provided with the locking nut (19) for locking fuel filter upper connection (18).
3. the lubrication system that is applied to university student's equation motorcycle race motor according to claim 1, is characterized in that: between described fuel filter lower end upper plate (21) and fuel filter lower end lower plate (22), be also provided with filter screen.
4. the lubrication system that is applied to university student's equation motorcycle race motor according to claim 1, is characterized in that: the thickness of described oil sump baffle plate is 1 mm-3mm.
5. according to the lubrication system that is applied to university student's equation motorcycle race motor described in claim 1 to 4 any one, it is characterized in that: on described Novel oil pan (7), be also provided with oil discharge screw hole, oil temperature sensor mounting hole.
CN201410285803.6A 2014-06-24 2014-06-24 A kind of lubricating system being applied to university students's equation motorcycle race electromotor Expired - Fee Related CN104074569B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105019974A (en) * 2015-07-20 2015-11-04 武汉理工大学 Refitted oil pan based on FSAE racing car
CN108412121A (en) * 2018-04-26 2018-08-17 王晓军 A kind of the crossbeam module and assembled cage construction building of assembled architecture

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2235725A (en) * 1989-09-07 1991-03-13 Nissan Motor I.c.engine oil pan
JPH04334710A (en) * 1991-05-10 1992-11-20 Kubota Corp Oil-cooled engine lubrication device with quantity increased oil pan
GB2230296B (en) * 1989-04-14 1993-08-18 Nissan Motor Oil pan structure for internal combustion engine
CN203978547U (en) * 2014-06-24 2014-12-03 华南理工大学 A kind of lubrication system that is applied to university student's equation motorcycle race motor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2230296B (en) * 1989-04-14 1993-08-18 Nissan Motor Oil pan structure for internal combustion engine
GB2235725A (en) * 1989-09-07 1991-03-13 Nissan Motor I.c.engine oil pan
JPH04334710A (en) * 1991-05-10 1992-11-20 Kubota Corp Oil-cooled engine lubrication device with quantity increased oil pan
CN203978547U (en) * 2014-06-24 2014-12-03 华南理工大学 A kind of lubrication system that is applied to university student's equation motorcycle race motor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
吴健瑜,罗玉涛,黄向东: "FSAE赛车双横臂悬架优化设计", 《机械设计与制造》, no. 10, 18 January 2012 (2012-01-18), pages 120 - 122 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105019974A (en) * 2015-07-20 2015-11-04 武汉理工大学 Refitted oil pan based on FSAE racing car
CN108412121A (en) * 2018-04-26 2018-08-17 王晓军 A kind of the crossbeam module and assembled cage construction building of assembled architecture

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