A kind of falling boat lubricating system of diesel oil engine oil flow rate collocation method
Technical field
The present invention relates to a kind of lubricating system of diesel oil engine oil flow rate collocation method, more particularly to a kind of falling boat diesel engine
Lubricating system oil flow rate collocation method, belongs to boat diesel engine technical field.
Background technology
Lifeboat leaves formula release on lash ship, can greatly improve lifesaving inefficiency.The technology is more and more by people
Pay attention to and use.But the lifeboat main frame selected stops diesel engine, i.e. diesel engine after lifeboat enters water auto-strengthening to be inverted
Start igniting, so that some valuable lifesaving times can be wasted, therefore constrain the performance of the quick efficiency of free fall lifeboat again.
At present, falling boat ship lubricating system of diesel oil engine, when lifeboat flips upside down, not only there is diesel engine can only be around
The axis upset parallel with crankshaft center line, i.e., lifeboat can only laterally be overturn, but also there is diesel engine and flipped upside down
When machine oil leakage problem.Although diesel engine meets:International Maritime Organization《International Convention for the Safety of Life at Sea》2009 and international
International Maritime Organization (IMO) the Maritime Safety committee MSC.81 (70) resolutions pass through《The revised proposal on testing of life-saving appliance》,
" engine is inverted experiment 6.14.6 and engine is fixed on into a shelf that can be rotated around the axis equivalent to the lifeboat longitudinal axis
On, set a plate to collect oil leak to measure below engine.6.14.7 carry out in the steps below at the trial:……
6.14.7.8 the engine in operating is rotated in a clockwise direction 180 °, the position for being held in 180 ° reaches 10s, then along up time
Pin direction rotates 180 ° again, and to complete one week, (compbined test step, diesel engine, which is once tested, need to complete to revolve clockwise and anticlockwise
Turn totally 6 weeks);6.14.8 during testing, overheat, operational failure should not occur for engine, or oil leak surpasses when being inverted for any time
Cross 250ml.", but it can not meet lifeboat diesel engine in the state of not parking, leaving formula from lash ship keel block enters water,
And lifeboat is in the process of moving, the use requirement of caused longitudinal direction upset is rolled by wave.
It is well known that keeping diesel engine the condition of short-term operation to be needed for diesel engine under upset, inversion state
Good lubrication is provided.Existing lifeboat diesel engine, it is inverted not parking device, such as patent No.:200810154941.5, the dress
The main respirator being provided with cylinder head case is put, the secondary respirator covered installed in advancing device, main respirator is used for bavin
Oil machine just puts work, and secondary respirator is used for diesel engine inversion work;In addition, the device primary structure is additionally included in crankcase
One piece of dividing plate is set between oil sump die cavity, crankcase is separated with the sealing of oil sump die cavity, and sets unidirectional on dividing plate
Valve, when diesel engine is just being put or heel is less than or equal to 90 °, check valve joins all in conducting state, crankcase with oil sump die cavity
It is logical, so as to diesel engine oil return;After diesel engine heel is more than 90 °, check valve valve port is closed automatically, crankcase and oil sump die cavity
Separate, so as to control oil sump die cavity inner engine oil to flow into crankcase so that diesel engine oil pump oil suction in upset, inversion begins
In the machine oil for being immersed in oil sump die cavity eventually, diesel lubrication is kept.
Free fall lifeboat is downward with ship bow, and the longitudinal direction of ship is fixed on mother horizontal by the mode at 35 °~45 ° of oblique angles
Ship is left on frame, and lifeboat diesel engine is that, against ship bow, flywheel end is fixed on lifeboat cabin bottom against ship stern with gear chamber end
Portion, when lifeboat leaves, ship bow is directly thrown into downwards water, and diesel engine follows about 90 ° of longitudinal direction upset, and gear chamber is downward.Therefore, will be existing
Some not parking lifeboat diesel engines of inversion load in free fall lifeboat, then lifeboat are left on frame fixed to lash ship, oil
Check valve not yet ends on drain pan dividing plate, i.e., oil sump is to connect with diesel engine crankcase, therefore, in diesel engine oil pan die cavity
A part of machine oil will be flowed into crankcase and gear chamber by check valve valve port, cause oil level in oil sump die cavity to decline so that
Remaining machine oil can not maintain diesel engine entirely to leave the lubrication of process in oil sump die cavity;In addition, diesel engines at present is in work
When, only the engine oil pressure of lubricating system is controlled, its flow is not controlled, usual lubricating pump can all have in design
More sufficient surplus, therefore, when diesel engine works, overflow valve can produce a large amount of oil spillings, improve oil temperature, simultaneously so that bavin
Fuel consumption increases when oil machine flips upside down;The oil reserve of oil sump die cavity is added, diesel engine can be caused to fix leaving frame again
Oil level is raised afterwards, the secondary respirator mouthful of machine oil submergence diesel engine, so that machine oil is from secondary respirator mouthful outflow machine, causes machine oil wave
Take and environmental pollution.
In addition, when diesel engine leaves downwards, original diesel engine in the stationary state, bent axle is flowed into from oil sump die cavity
Machine oil in case and gear chamber cover, by the secondary respirator mouthful of submergence diesel engine, causes diesel engine lubricating oil leakage uncontrollable;So, should
Structure can not meet the use requirement that the formula that leaves is inverted not parking lifeboat diesel engine.
Further, since diesel engine oil pan exterior space is extremely narrow and small in lifeboat, diesel engine changes machine oil, is typically profit
Machine oil is extracted out out of oil sump die cavity with oil dipstick tube, not only efficiency is low, and be difficult to pump oil sump die cavity inner engine oil, from
And, influence the cleannes of diesel engine.
In summary, lifeboat is realized at present under diesel engine working condition, and not parking on frame leave is left from lash ship
Enter water, it is necessary to the problem of solving:1st, diesel engine can not longitudinally be overturn;2nd, external lubricating oil leakage when diesel engine is overturn;3rd, diesel oil
Machine flow of lubrication is unable to reasonable disposition.
The content of the invention
The purpose of the present invention is to overcome the existing not parking lifeboat lubricating system of diesel oil engine of inversion, can only laterally be overturn, no
It can longitudinally overturn, and lubricating oil leakage pollution can be produced during diesel engine upset;And diesel lubrication oil flow is unable to reasonable disposition,
Overflow valve oil spilling is excessive, the problems such as causing the wasting of resources.
A kind of falling boat lubricating system of diesel oil engine and its flow collocation method are invented, lifeboat diesel engine is met, from lash ship
Leave on frame, left in the state of not parking into water, and lifeboat in the process of moving by wave roll caused by it is vertical
To, use requirement laterally etc. under upset, inversion state.
To reach above-mentioned purpose, the present invention is achieved by the following technical programs.
A kind of falling boat lubricating system of diesel oil engine oil flow rate collocation method, the lubricating system includes lubricating oil pump, overflow
Valve, engine filter, fuselage, fuselage interior are provided with crankcase, and fuselage bottom is provided with oil sump;It is characterized in that:The lubricating system
Also include lubricating oil fuel tank and respiratory siphon;The lubricating oil pump is the duplex pump into and out of hydraulic fluid port independently, is superimposed up and down, upper strata is
Lubricating pump, lower floor is scavenge oil pump;The oil inlet of the scavenge oil pump is connected to the bottom of oil sump die cavity by pipeline, and oil-out is by pipe
Road is connected in lubricating oil fuel tank;The lubricating pump oil inlet is connected in lubricating oil fuel tank by pipeline, and oil-out is connected to by pipeline
In engine filter import, the bypass between oil-out and engine filter import, the import of overflow valve, engine filter outlet and machine are connected to
Body main oil gallery UNICOM, outlet and the crankcase UNICOM of overflow valve;The lubricating oil fuel tank includes fuel tank cap and oil box;The fuel tank
Cover one breathing check valve of setting and an oil filler;The breathing check valve inlet is arranged on below fuel tank cap, and breathing is single
It is arranged on to valve outlet above fuel tank cap;Described breathing one-way valved outlet connection respiratory siphon one end, respiratory siphon other end connection is bent
Axle box;The oil filler is provided with a filler cap, and filler cap is provided with an air pressure relief valve;The bottom of the oil box
Portion is provided with a fuel outlet valve, and fuel tank body side surface is provided with an oil level indicator.
The purpose of the present invention can also further be realized by following technology solution.
Lubricating oil pump described above, is arranged in oil sump, and the pump housing is stretched out in the pump shaft upper end of lubricating oil pump, and passes through axle on fuselage
Bearing bore, is additionally provided with a worm gear on the upper top of pump shaft, is meshed with the worm screw set on diesel engine OHC;Lubricating oil pump pump
The upper end of body is provided with flange, is fixed on fuselage.
Scavenge oil pump and lubricating pump described above, are impeller pump.
Scavenge oil pump and lubricating pump described above, under 2800 revs/min of diesel engine rated speed, lubricating pump design theory stream
Measure as 23~24 liters/min;Scavenge oil pump design theory flow is more than 1~1.5 liter/min of pump discharge of lubrication.
Scavenge oil pump described above, oil-out is connected in the lubricating oil fuel tank by pipeline, in oil-out pipeline termination and cunning
Provided with an oil return valve between fuel tank.
Lubricating pump described above, oil inlet is connected in the lubricating oil fuel tank by pipeline, in oil inlet pipeline termination and cunning
Provided with an inlet valve between fuel tank.
Oil level indicator described above, is arranged on above and below the left surface middle and upper part of oil box, vertical installation, oil level indicator
Section is indicated provided with two oil levels;Upper end oil level interval is Green Marker, and oil level interval in lower end is blue markings.
Worm gear described above is 13 teeth, and worm screw is 13, and transverse module is 1.5.
Oil sump described above, is rectangle oil tray, basin bottom right low left high, inclined angle alpha=2~3 °, and in oil tray right-hand member
Bottom, is additionally provided with oil trap.
Scavenge oil pump described above, it carries the strip infundibulate inlet port of filter screen, is arranged on oil trap lower right side, and funnel
It is big to hold towards oil-collecting trench bottom.
Lubricating pump described above, its inlet port port shape is infundibulate, the big end of funnel with magnetic screen all the time to
Under, the small end of funnel is connected to the imported oil pipe end of lubricating oil fuel tank side inlet valve using flexible tubing.
Lubricating oil fuel tank described above, is provided with sealing ring between oil box and fuel tank cap.
Lubricating oil fuel tank described above, is cuboid, and capacity is 8~9 liters, and its material is stainless steel.
Lubricating oil fuel tank described above is arranged on by diesel engine gear chamber, and lubricating oil fuel tank front-back is indulged with crankshaft of diesel engine axis
Vertical plane is symmetrical, and lubricating oil tank bottoms are provided with support, are fixed on lifeboat bottom.
Support described above is four stainless steel angles, and its height is not less than 250~300 millimeters.
The connection of support described above and lubricating oil fuel tank is welding, and the connection of support and lifeboat is bolt connection.
Breathing check valve described above, is arranged on the left side central portion of fuel tank cap.
Breathing check valve described above, its shell is that an endoporus and profile are individual layer step cylindrical housing, inside and outside
Footpath is up-small and down-big, and upper to breathe one-way valved outlet, lower is breathing check valve inlet, and upper end internal-and external diameter is equipped with screw thread.
Respiratory siphon described above is flexible pipe, and 8~Φ of bore Φ 10, one end is provided with adpting flange, with crankshaft of diesel engine
Companion flange on case is connected;The other end is sleeved on breathing one-way valved outlet pipe end, and breathing check valve is fixed on using clip
On outlet.
Respiratory siphon described above is copper tube, and 8~Φ of bore Φ 10, two ends are provided with ferrule-type compression joint, respectively with exhaling
Corresponding joints seat connection on suction one-way valved outlet, diesel engine crankcase.
Between fuselage described above and engine filter, provided with one piece of point of oil path block, overflow valve is arranged in point oil path block.
In order to achieve the above object, the oil flow rate collocation method of lubricating system of the present invention, comprises the following steps:
(1), prepare before the configuration of lubrication pump discharge;The oil pressure gauge on diesel engine is calibrated, minimum engine oil pressure report is set
Alert value:≥0.05MPa;A piece flexible overflow pipe is set, and the end of overflow pipe one is connected in the outlet of overflow valve, and the overflow pipe other end leads to
Cross oil sump oil-draining screw hole and draw diesel engine, be put into measuring cup, and between sealing oil sump oil-draining screw hole is between overflow pipe
Gap;Lubricating oil fuel tank refuels, and oil mass flips upside down+1 liter of configuration of oil mass needed for Time Calculation as the >=most long theory of diesel engine test;
(2), diesel engine rated speed engine oil pressure is set;Inlet valve and oil return valve are opened, diesel engine is started, and make diesel oil
Machine rotating speed reaches rated speed, and regulation relief valve pressure regulating screw makes the engine oil pressure of diesel engine be maintained at 0.25~0.3MPa, lock
Tight relief valve pressure regulating screw;
(3), setting lubrication pump discharge;Diesel engine is maintained at rated operation, adjusts oil-feed valve opening, makes overflow valve
Overfall keeps continuous overflow flow to be 1~2L/min;
(4), diesel engine oil pressure is verified;Diesel engine is fixed on rollover stand in longitudinally, laterally mode respectively, by state
Border International Maritime Organization (IMO) the Maritime Safety committee MSC.81 (70) resolutions pass through《The revised suggestion on testing of life-saving appliance
Case》, 6.14.7 moneys, idle running diesel engine, and roll-over test clockwise, counterclockwise is carried out, detect diesel oil in each process of the test
Machine engine oil pressure, if there is oil pressure alarm, increases oil-feed valve opening, until experiment overall process, diesel engine pressure is without report
It is alert;
(5), machine oil intercepting sewer is set and determines that fuel tank is actually needed oil storage;According to oil-feed valve opening, in going out for inlet valve
Between mouth end and lubricating pump oil inlet pipeline termination, a piece intercepting sewer of connection is set, and intercepting sewer is thin wall small hole, and makes intercepting sewer
Aperture area be equal to inlet valve open or close range;Minimum level height according to observed by after upset, determines that lubricating oil fuel tank is actual
Need oil storage;
(6) diesel engine oil pressure, is verified again:Open under inlet valve and oil return valve, diesel engine rated speed, oil pressure
Power is maintained under 0.25~0.3MPa, idle running, and engine oil pressure is not alarmed;Otherwise, repeat step (5);
(7), reset;Take oil sump apart, remove overflow pipe, and oil sump is resetted again.
The advantages of the present invention:
The present invention is that collect function and the memory function that lifeboat diesel engine oil pan is undertaken into machine oil are separated, and oil sump is held
That carries on a shoulder pole machine oil collects function, and a lubricating oil fuel tank storage machine oil is separately provided outside machine., will using lubricating pump when diesel engine works
Lubricating oil fuel tank inner engine oil is delivered to the main oil gallery lubrication machine of diesel engine through engine filter, while being converged after being lubricated using scavenge oil pump
The oil delivery collected in oil sump is stored to lubricating oil fuel tank;Realize that diesel engine lubricating oil is recycled.Due to lubrication oil pump inlet valve
By experiment, accurate intercepting sewer latus rectum is obtained, and fuel tank is actually needed oil reserve, reduces machine oil demand when diesel engine is inverted
Amount, reduces the temperature rise of machine oil overflow generation, therefore makes product structure more science.Lubricating pump is in lubricating oil fuel tank using flexibility
Oil pipe connects inlet port, the machine oil in lubricating oil fuel tank is fully used.
Scavenge oil pump of the present invention is more bigger than the flow of lubricating pump, so that during diesel engine work, without trapped fuel in oil sump, because
This, diesel engine either longitudinal direction or laterally upset, inversion, body is interior to be overflowed all without organic oil, causes lubricating oil leakage dirty
Dye.
Further, since machine oil lubricating oil fuel tank is fixed on the engine body exterior of diesel engine, therefore, the heat dissipating ring of machine oil is improved
Border, eliminates oil cooler, while by setting lubricating oil tank gauge, making oil level observation more convenient;By in lubricating oil oil
The oil discharging valve that lower box part is set, and built on stilts lubricating oil fuel tank, allow diesel engine to change machine oil and more facilitate;By pipeline, by lubricating oil
The collection headroom of upper left quarter and crankcase UNICOM in fuel tank, not only avoid lifeboat from being fixed on when leaving frame or leaving, lubricating oil oil
Case internal respiration one-way valved outlet is blocked by machine oil, meets the air pressure balance of lubricating oil fuel tank, and avoids oil gas from leaking, and makes lubricating oil oil
Case discharge is more environmentally friendly;By the safety valve that setting is covered in lubricating oil tank filler, it is ensured that lubricating oil fuel tank uses safety.
In addition, using the worm screw set on body inner camshaft, driving the worm gear on duplex lubricating oil pump pump shaft, realizing machine oil
The power transmission of pump, structure is compacter.
Advantages of the present invention and feature, will be illustrated and explained by the non-limitative illustration of preferred embodiment below,
These embodiments, are only provided as an example referring to the drawings.
Brief description of the drawings
Fig. 1 is diesel engine and its lubricating oil fuel tank connection diagram
Fig. 2 lubricating system schematic diagrames of the present invention
Fig. 3 diesel engine elevational schematics of the present invention
The cross-sectional schematic diagram of Fig. 4 diesel engines of the present invention
Fig. 5 schematic diagrames of respirator check valve 132 of the present invention
In figure:101st, fuselage, 102, main oil gallery, 103, positioning hole, 104, camshaft, 104A, worm screw, 105, worm gear,
106th, bearing, 107, kidney-shaped flange, 108, screw, 109, oil pump housing, 110, pump shaft, 111, lubricating pump, 112, scavenge oil pump,
114th, scavenge oil pump inlet port, 118, oil sump, 118A, oil-draining screw hole, 119, point oil path block, 122, oil return valve, 123, oil-feed
Valve, 1231, intercepting sewer, 124, flexible tubing, 125, fuel tank cap, 126, inlet port, 127, lubricating oil fuel tank, 127A, oil box,
128th, fuel outlet valve, 129, oil level indicator, 130, oil filler, 131, air pressure relief valve, 132, breathing check valve, 1321, opening
Pin, 1322, steel ball, 1323, shell, 1324, valve, 1325, step, 1326, external screw thread, 1327, internal thread, 133, breathing
Pipe, 134, engine filter, 135, overflow valve, 151, support.
Embodiment
To make the purpose of the present invention and technical scheme clearer, the present invention is made into one with reference to the accompanying drawings and examples
Walk explanation:
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific terminology) with the general understanding identical meaning with the those of ordinary skill in art of the present invention.
When the implication of heretofore described " left and right, upper and lower, forward and backward " refers to reader just to accompanying drawing, reader
The left side be a left side, the right of reader is the right side, on the top of reader is, reader it is following be under, reader
Before face in the paper of front is, reader just to face be after, rather than to the present invention specific restriction.
The implication of heretofore described " connection " can be that being directly connected between part can also be passed through between part
Other parts are indirectly connected with.
As shown in Figure 1 and Figure 2, lubricating oil fuel tank 127 is cuboid, comprising oil box 127A and fuel tank cap 125, in oil box
Sealing ring is additionally provided between fuel tank cap.Capacity is about 8~9 liters, according to experiment, it is necessary to 6~7 liters of oil storage, it is ensured that diesel engine is turned over
Lubrication needs when turning and being inverted experiment, and its material is stainless steel.It is welded on the support 151 on the right side of diesel engine, support 151 is adopted
It is fixed by bolts in the fixed seat in lifeboat bilge portion (figure is not expressed), the material of support 151 is stainless steel angle, is highly
250~300 millimeters.In fuel tank cap 125, an oil filler 130 and a breathing check valve 132 are respectively equipped with, breathing is unidirectional
Valve 132 is arranged on the left side central portion of fuel tank cap 125.In oil box 127A left surface, respectively vertical one oil level instruction of installation
Device 129, and an oil return valve 122 and an inlet valve 123.Two oil levels are had on oil level indicator 129 and indicate interval,
Upper end oil level interval is Green Marker, is that diesel engine oil level is marked when lifeboat is just put;Lower end oil level interval is blue markings, is
Lifeboat is fixed on diesel engine oil level when leaving on frame and marked;Lower end oil level interval mark is that upper end oil level is interval, in lubricating oil oil
The left end of case 127 is inclined upwardly the mapping range after 35 °.In oil box 127A right flank, bottom is provided with fuel outlet valve 128, is easy to
Change machine oil.Inside oil box 127A, the right-hand member of inlet valve 123 is connected to a flexible tubing 124, flexible tubing 124
The other end, is connected to one and carries the funnel shaped inlet port 126 of magnetic absorption function, inlet port 126 can be in self gravitation
Under effect, overturn with lubricating oil fuel tank 127, be inverted, the suction inlet of inlet port 126 is downward all the time, and is maintained at machine in lubricating oil fuel tank 127
The bottom of oil, it is ensured that the oil-feed of diesel engine inlet port 126 of lubricating pump 111 in upset, inversion, meets diesel lubrication.
Oil filler 130 is provided with filler cap, provided with an air pressure relief valve 131, air pressure relief valve on filler cap
131 pressure values set is 1150~1200kPa, when air pressure reaches the value in lubricating oil fuel tank 127, and air pressure relief valve 131 is certainly
Dynamic to open exhaust, when pressure value drops to 1120~1100kPa, air pressure relief valve 131 is closed automatically;
As shown in figure 5, breathing check valve 132 structure, comprising an endoporus and it is cylindrical be outside individual layer step cylindrical shape
Shell 1323, internal-and external diameter is up-small and down-big, and 1323 times endoporus of shell are less than the steel of 2~3 millimeters of cylinder internal diameter provided with a diameter
Ball 1322, shell about 1323 endoporus intersection be provided with circular valve 1324, can be blocked by steel ball 1322, the lower end footpath of shell 1323
To provided with through the hole of split pin 1321, using the stop of split pin 1321, steel ball 1322 is set to remain in shell 1323 times
Kong Li, the up and down distance of steel ball 1322 is about 5~10 millimeters;Using the upper external screw thread 1326 of shell 1323 and step 1325,
Breathing check valve 132 is fixed on to the left side central portion of fuel tank cap 125 by nut, internal thread 1327 is connected to respiratory siphon 133 1
End, the other end of respiratory siphon 133 is connected to crankcase.The respiration channel of lubricating oil fuel tank 127 is:Breathe check valve 132-breathing
Crankcase in pipe 133-point 119-fuselage of oil path block 101.
The present embodiment respiratory siphon 133 be copper tube, 8~Φ of bore Φ 10, two ends be provided with ferrule-type compression joint, respectively with
Breathe correspondence pipe joint seat connection on the external screw thread 1326 of check valve 132 and diesel engine crankcase.Above-mentioned respiratory siphon 133 can be with
For flexible pipe, 8~Φ of bore Φ 10, one end sets adpting flange, is connected with the companion flange on diesel engine crankcase;Separately
One end is sleeved on the breathing external screw thread 1326 of check valve 132, and is fixed using clip.
The function of check valve 132 is breathed, when lubricating oil fuel tank 127 is inverted with lifeboat, steel ball 1322 under gravity, is sealed
Gas shutoff door 1324, check valve 132 is closed, it is to avoid the inner engine oil of lubricating oil fuel tank 127 is flowed into the crankcase in fuselage 101, lubricating oil oil
When case 127 is just put, steel ball 1322 drops back into the lower end of 1323 times endoporus of shell.
As shown in Figure 2, Figure 3, Figure 4, the bottom of fuselage 101 is provided with oil sump 118, in the axial direction of diesel engine, oily bottom
The bottom right low left high of shell 118, inclined angle alpha=2~3 ° are provided with oil trap in bottom right side;Right side in oil sump 118, if
Organic oil pump, lubricating oil pump is the duplex impeller pump into and out of hydraulic fluid port independently, is superimposed up and down, and upper strata is lubricating pump 111, lower floor
For scavenge oil pump 112;Under 2800 revs/min of diesel engine rated speed, the theoretical delivery of lubricating pump 111 is 23~24 liters/min,
The theoretical delivery of scavenge oil pump 112 is bigger than the flow of lubricating pump 111 1~1.5 liter/min.
Scavenge oil pump inlet port 114 is arranged on right side under the oil trap of oil sump 118, is strip;Scavenge oil pump 112 it is fuel-displaced
Route, the oil outlet end of scavenge oil pump 112-point oil path block 119-oil return valve, 122-lubricating oil fuel tank 127.
The oil-feed route of lubricating pump 111:123-intercepting sewer of inlet port 126-flexible tubing, 124-inlet valve 1231-point
The oil inlet end of 119-lubricating pump of oil path block 111.The fuel-displaced route of lubricating pump 111:The oil outlet end of lubricating pump 111-point oil path block 119-
Engine filter 134-point 119-main oil gallery of oil path block 102, machine oil enters before engine filter 134, inside point oil path block 119, is provided with
One overflow valve 135, it is 0.25~0.3Pa to control the engine oil pressure of main oil gallery 102, and the oil spilling of overflow valve 135 is flowed back in diesel engine
Portion's crankcase.
As shown in figure 4, lubricating pump 111 shares a pump shaft 110 and oil pump housing 109 with scavenge oil pump 112, pump shaft 110 is worn
The positioning hole 103 set on fuselage 101 is crossed, is positioned in bearing 106, and kidney-shaped method is provided with by the upper end of oil pump housing 109
Orchid 107, is fixed on fuselage 101, a worm gear 105 is fixed with being set on camshaft 104 in the upper end of pump shaft 110 using screw 108
The worm screw 104A engagements put, worm gear 105 is 13 teeth, and worm screw 104A is 13, i.e. gearratio 1:1, transverse module 1.5, therefore, this
Invention lubricating oil pump is to transmit power by camshaft 104, and structure is compacter.
As shown in Figure 1, Figure 2, Figure 4 shows, the flow collocation method of the present embodiment lubricating system, comprises the following steps:
(1), prepare before the configuration of the flow of lubricating pump 111;The oil pressure gauge 0 on diesel engine is calibrated, minimum machine oil is set
Pressure alarm value:≥0.05MPa;It is the flexible pipes of Φ 10 to choose an internal diameter, and one end connects pipe joint, and is connected on using pipe joint
On the overfall for dividing oil path block 119, the overflow pipe other end draws diesel engine by the oil-draining screw hole 118A of oil sump 118, puts
Enter to measure in measuring cup, and block with cork oil-draining screw hole 118A space;To lubricating oil fuel tank 127 plus machine oil, volume read-out is 7
Rise.
(2), engine oil pressure is set during diesel engine rated speed;Inlet valve 123 and oil return valve 122 are opened, diesel engine is started,
And diesel engine speed is reached 2800 revs/min of rated speed, the pressure regulating screw of regulation relief valve 135, the engine oil pressure of diesel engine
0.28~0.3MPa is maintained at, the pressure regulating screw of overflow valve 135 is locked.
(3) flow of lubricating pump 111, is set;Diesel engine keeps rated speed, reduces the aperture of inlet valve 123 to 62%, overflow
The overfall continuous overflow flow of valve 135 is 1.8L/min, locks the aperture of inlet valve 123.
(4), diesel engine oil pressure is verified;Diesel engine is adjusted to idle running, diesel engine machine in process of the test is detected
Oil pressure excursion is 0.08~0.12MPa, and alarm free meets setting.
(5), machine oil intercepting sewer 1231 is set and determines that lubricating oil fuel tank 127 is actually needed oil storage;In the outlet of inlet valve 123
Between end and lubricating pump oil inlet pipeline termination, a piece intercepting sewer of connection is set, pore area is equal to inlet valve open or close range, because
This, the about whole pore latus rectum amplification of intercepting sewer is 5.0 millimeters of Φ;Pipe range is 12.0 millimeters, minimum according to observed by after upset
Oil level, about 3.5 liters of Fuel Oil Remaining, it is thus determined that fuel tank is actually needed 6 liters of oil storage.
(6) diesel engine oil pressure, is verified again:Open inlet valve and oil return valve, 2800 revs/min of diesel engine rated speed
Under clock, engine oil pressure is maintained under 0.25~0.3MPa, idle running, and engine oil pressure is not alarmed;
(7), reset;Take oil sump apart, remove overflow pipe, and oil sump is resetted again.
In addition to the implementation, the present invention can also have other embodiment.All use equivalent substitution or equivalent transformation shape
Into technical scheme, all fall within the protection domain of application claims.