CN208605240U - A kind of gear lubrication system of diesel engine - Google Patents
A kind of gear lubrication system of diesel engine Download PDFInfo
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- CN208605240U CN208605240U CN201821250035.0U CN201821250035U CN208605240U CN 208605240 U CN208605240 U CN 208605240U CN 201821250035 U CN201821250035 U CN 201821250035U CN 208605240 U CN208605240 U CN 208605240U
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Abstract
The utility model relates to a kind of gear lubrication system of diesel engine, including crankshaft, crankshaft timing gear, gear chamber is located at output shaft one end of crankshaft, crankshaft timing gear is fixed on output shaft, support the input oil duct that oriented crankshaft offer pressure lubrication oil is provided in the main beating cap of crankshaft input terminal, axial direction offers axial output oil duct inside output shaft, is also provided with the first oblique oil duct, the second oblique oil duct and oil storage room on crankshaft；It is also provided with radial output oil duct in output shaft inner radial direction, radially offers gear nozzle opening in crankshaft timing gear；One end of radial output oil duct is connected with axial output oil duct, and the other end is connected with gear nozzle opening；With the rotation of crankshaft, lubricating oil is sprayed from gear nozzle opening, recycles and the flank of tooth for positively spraying to the other gears of pinion unit reaches optimal lubricant effect to better solve the effectively lubricating problem of engine gear power train.
Description
Technical field
The utility model belongs to Diesel Engine Technique Field, and in particular to a kind of gear lubrication system of diesel engine.
Background technique
The patent of invention of application number 201010211587.2 discloses a kind of oil spraying lubricating device of gear chamber of diesel engine,
Including crankshaft, supports and offered on the support of crankshaft input terminal and can provide the input oil duct of pressure lubrication oil to crankshaft, crankshaft
The transmission gear of transmitting power is fixed on output shaft, the end face of the crankshaft output end offers output oil duct, on crankshaft
It is also provided with the first oblique oil duct, the second oblique oil duct and oil storage room, the first oblique oil duct is respectively communicated with input oil duct and storage
Grease chamber, the second oblique oil duct are respectively communicated with oil storage room and output oil duct, export and are connected with the atomizer with spray orifice on oil duct, with song
The rotation of axis, atomizer spray lubricating oil around from spray orifice and are lubricated to the gear of gear chamber.The invention is to utilize
Original crankshaft force feed oil duct increases a new oil duct and pressure oil is guided to crankshaft end-face, by being mounted on crankshaft end
The atomizer in face sprays lubricating oil when rotating with crankshaft around, forms dynamic umbrella mist of oil, with reach to gear into
The purpose of row lubrication.Itself the problem is that: because lubricating oil is to be sprayed around from the atomizer of crankshaft end-face with dynamic umbrella
Out, it is influenced by the factor that injection hole on injection nozzle is fixed angle, it cannot be guaranteed that can be directly injected to pinion unit close for lubricating oil
It can be directly injected on the flank of tooth of distal end gear again on the flank of tooth of end tooth wheel.
Summary of the invention
The purpose of the utility model is to overcome in place of deficiencies of the prior art, provide a kind of new diesel engine
Gear lubrication system is solved lubricating oil and is sprayed from crankshaft end-face with dynamic umbrella, it cannot be guaranteed that lubricating oil can be directly injected to
The problem that can be directly injected to again on the flank of tooth of pinion unit proximal end gear on the flank of tooth of distal end gear, to better solve
The effectively lubricating problem of engine gear power train.
The technical solution of the utility model is:
A kind of gear lubrication system of diesel engine, including crankshaft, crankshaft timing gear, gear chamber are located at the output shaft one of crankshaft
It holds, the crankshaft timing gear for transferring power to gear chamber middle gear power train is fixed on the output shaft, support crankshaft is defeated
Enter to open up oriented crankshaft in the main beating cap at end and the input oil duct of pressure lubrication oil is provided, axial direction is opened inside the output shaft
Oil duct is exported equipped with axial, is also provided with the first oblique oil duct, the second oblique oil duct and oil storage room, the first oblique oil on crankshaft
Road is respectively communicated with input oil duct and oil storage room, and the second oblique oil duct is respectively communicated with oil storage room and axial output oil duct；
Radial output oil duct, the radial output oil duct and the axis are also provided in output shaft inner radial direction
It is connected to output oil duct；
The gear nozzle opening of perforation is radially offered in the crankshaft timing gear；
After the crankshaft timing gear installation, the gear nozzle opening is connected with the radial output oil duct, with song
The rotation of axis, lubricating oil are sprayed from the gear nozzle opening, circulation and the flank of tooth for positively spraying to the other gears of pinion unit,
Pinion unit is lubricated.
The gear oil spout bore dia is φ 1mm- φ 1.5mm.
On the output shaft and the crankshaft timing gear, is cooperated on the basis of the keyway of installation, used by the two
Same angle offers the radial output oil being connected with the axial output oil duct in output shaft inner radial direction
Road, the radial direction in crankshaft timing gear corresponding position offer the gear nozzle opening of perforation；The i.e. described radial output oil duct
One end is connected with the axial output oil duct, and after being mounted on the output shaft crankshaft timing gear, the radial direction is defeated
The other end of oil road and the gear nozzle opening are to being just connected.Because being between the output shaft and crankshaft timing gear
It is full of cooperation, ensure that lubricating oil between the gear nozzle opening that the radial output oil duct by output shaft enters crankshaft timing gear
Oil circuit sealing, ne-leakage, without pressure release.
The beneficial effects of the utility model are: being offered and axial output oil by the radial direction of the output shaft in crankshaft
The radial output oil duct that road is connected, and the gear nozzle opening of perforation is radially offered in crankshaft timing gear, with song
The rotation of axis, lubricating oil are sprayed from gear nozzle opening, circulation and the flank of tooth for positively spraying to the other gears of pinion unit, preferably
Realize the lubrication to pinion unit in ground.Prior art lubricating oil is solved from crankshaft end-face with the ejection of dynamic umbrella, Bu Nengbao
Card lubricating oil can be directly injected on the flank of tooth of pinion unit proximal end gear but also be directly injected to the flank of tooth of distal end gear
On problem reach optimal lubricant effect to better solve the effectively lubricating problem of engine gear power train.
Detailed description of the invention
Fig. 1 is a kind of gear lubrication system of diesel engine schematic diagram of the utility model.
Fig. 2 is the partial enlarged view of Fig. 1.
Fig. 3 is axial output oil duct, radial output oil duct and gear nozzle opening position view.
Fig. 4 is the oily line schematic diagram that crankshaft timing gear rotates that gear nozzle opening sprays lubricating oil with crankshaft.
In figure: 1, crankshaft, 2, crankshaft timing gear, 3, gear nozzle opening, 4, radial output oil duct, 5, axial output oil
Road, 6, output shaft, the 7, second oblique oil duct, 8, oil storage room, 9, main beating cap, the 10, first oblique oil duct, 11, input oil duct.
Specific embodiment
1-4 with reference to the accompanying drawing describes the technical solution of the utility model progress clear and completely.
Embodiment 1: Fig. 1-4 is referred to.A kind of gear lubrication system of diesel engine, be applied to single cylinder diesel, including crankshaft 1,
Crankshaft timing gear 2, gear chamber are located at 6 one end of output shaft of crankshaft 1, are fixed on the output shaft 6 and transfer power to tooth
The crankshaft timing gear 2 of engineer room middle gear power train supports and opens up the oriented offer of crankshaft 1 in the main beating cap 9 of crankshaft input terminal
The input oil duct 11 of pressure lubrication oil, the 6 inside axial direction of output shaft offer axial output oil duct 5, also open on crankshaft
Equipped with the first oblique oil duct 10, the second oblique oil duct 7 and oil storage room 8, the first oblique oil duct 10 is respectively communicated with input oil duct 11
With oil storage room 8, the second oblique oil duct 7 is respectively communicated with oil storage room 8 and axial output oil duct 5, radial in the crankshaft timing gear 2
On offer perforation diameter be φ 1mm gear nozzle opening 3, be also provided with radial direction in the 6 inner radial direction of output shaft
Oil duct 4 is exported, one end of the radial output oil duct 4 is connected with the axial output oil duct 5；The other end and the gear spray
Oilhole 3 is connected.
When diesel engine works, lubricating oil enters input oil duct 11 under the pumping effect of lubricating oil pump, through body main oil gallery,
Successively by the first oblique oil duct 10, oil storage room 8, the second oblique oil duct 7, axial output oil duct 5, radial output oil duct 4, enter
Gear nozzle opening 3, under the oil pressure of lubricating oil pump elevated pressures, lubricating oil is in that oily line is spouting from the gear nozzle opening 3, with
The rotation of crankshaft 1, spouting lubricating oil is along gear direction of rotation, and successively forward direction is ejected into the other teeth of pinion unit
The flank of tooth of wheel, and when the rotation of crankshaft timing gear 2 is to gear nozzle opening 3 towards gear chamber cover inner surface, lubricating oil beam is also
It can spring back to from gear chamber cover inner surface on the gear of lower section, the good lubrication of pinion unit is acted on to realize.
Embodiment 2: Fig. 1-4 is referred to.A kind of gear lubrication system of diesel engine is applied to single cylinder diesel, structure and work
Make mode and embodiment 1 is almost the same, difference is that the diameter for radially offering perforation in the crankshaft timing gear 2 is φ
The gear nozzle opening 3 of 1.5mm.
The gear lubrication system of diesel engine of above-described embodiment 1,2 is cooperated with output shaft 6, crankshaft timing gear 2 and is installed
Keyway on the basis of, radial output oil duct 4 and gear nozzle opening 3 are process using equal angular design, therefore just by crankshaft
When gear 2 be mounted on output shaft 6 after, the radial output oil duct 4 is mutually just being connected to relatively with the gear nozzle opening 3.Meanwhile
Because crankshaft timing gear 2 and output shaft 6 are interference fit, it ensure that lubricating oil in the radial output oil duct 4 by output shaft 6
Oil circuit sealing effect between the gear nozzle opening 3 of crankshaft timing gear 2.
It is well known that being further sleeved with connecting rod bearing shell on the rod journal of crankshaft of diesel engine, lubricating oil original on crankshaft is utilized
The force feed between rod journal and connecting rod bearing shell is realized in road, and when diesel engine peak torque operating condition, connecting rod bearing shell stress is most
Greatly, too low engine oil pressure will cause the problems such as connecting rod bearing shell high temperature or even bearing shell peeling, change watt.As previously mentioned, this is practical new
Diesel engine gear lubrication system is to add the second oblique oil duct 7, axial output oil on the basis of crankshaft original lubricant passage way
Road 5, radial output oil duct 4, gear nozzle opening 3, form gear lubrication oil duct, reduce the engine oil pressure of former lubricant passage way.
In the prior art, to its oil flow rate, engine oil pressure, there are enough surpluses, machine oil when diesel engine oil pump designs
When pump works normally, oil flow rate, oil pressure force value reach far away design limit.Oil pump of single cylinder diesel engine in the prior art
Technical requirements " at 70 DEG C of oil temperature, when output pressure is 350 kPa, oil pump capacity is not less than 7L/1000rpm ", by adjusting
Lubricating oil pump pressure regulator valve carries out lubricating oil pump bulge test test, 70 DEG C of the oil temperature, oil flow rate 7L/1000rpm the case where
Under, lubricating oil pump surveys output pressure highest can be to 450 kPa.
To solve the problems, such as the reduction of lubricant passage way engine oil pressure, applicant is by adjusting lubricating oil pump pressure regulator valve, by lubricating oil pump
Operating pressure is improved to 400 kPa, is carried out respectively to using 6 diesel engines of the utility model gear lubrication system of diesel engine
Engine oil pressure measurement, experimental data are shown in Tables 1 and 2.
1: φ 1.5mm gear nozzle opening engine oil pressure test data of table
2 φ 1mm gear nozzle opening engine oil pressure test data of table.
By 1 table of table, 2 data it is found that engine oil pressure test result range is 200-300 kPa, meet the normal work of diesel engine
To the requirement of engine oil pressure when making, that is, use the diesel engine of the utility model gear lubrication system of diesel engine, engine oil pressure energy
Enough satisfactions use needs.
Above-mentioned given embodiment 1,2, beneficial effect having the same is: passing through the radial direction of the output shaft in crankshaft
Direction offers the radial output oil duct being connected with axial output oil duct, while in the crankshaft with output shaft interference fit installation
The gear nozzle opening for radially offering perforation of timing gears corresponding position does not need to have in the end face of output shaft reconnection
The atomizer of spray orifice reduces number of parts, and with the rotation of crankshaft and its operating of drive pinion unit, lubricating oil
It is spouting from the gear nozzle opening on the crankshaft timing gear flank of tooth, it can recycle and positively spray to the other teeth of pinion unit
The flank of tooth of wheel realizes the lubrication to pinion unit.Solve that prior art lubricating oil is arranged from crankshaft end-face with spray
The atomizer in hole is sprayed with dynamic umbrella, it cannot be guaranteed that lubricating oil can be directly injected to the flank of tooth of pinion unit proximal end gear
The upper problem that can be directly injected on the flank of tooth of distal end gear again, so that the effectively lubricating for better solving pinion unit is asked
Topic.
The utility model exports oil duct, in crankshaft timing gear corresponding position by the way that radial direction is arranged on the output shaft of crankshaft
Gear nozzle opening is opened up, the quantity of prior art part is reduced, and realizes the optimal lubricant effect of pinion unit.
In addition, single cylinder diesel is often provided with mechanical governing system in crankshaft output end, including flies block, flies block and tune
The components such as fast axis are used for mechanical speed governors, therefore do not have position that the atomizer with spray orifice is arranged again on crank shaft output shaft end face,
And the utility model does not need to arrange the atomizer with spray orifice, effectively by the radial output oil duct of setting and gear nozzle opening
Solves the problems, such as this.
Claims (3)
1. a kind of gear lubrication system of diesel engine, including crankshaft (1), crankshaft timing gear (2), gear chamber are located at crankshaft (1)
Output shaft (6) one end is fixed with the crankshaft timing tooth for transferring power to gear chamber middle gear power train on the output shaft (6)
It takes turns (2), supports the input oil duct that oriented crankshaft (1) offer pressure lubrication oil is provided in the main beating cap (9) of crankshaft input terminal
(11), the internal axial direction of the output shaft (6) offers axial output oil duct (5), and it is oblique to be also provided with first on crankshaft (1)
Oil duct (10), the second oblique oil duct (7) and oil storage room (8), the first oblique oil duct (10) be respectively communicated with input oil duct (11) and
Oil storage room (8), the second oblique oil duct (7) are respectively communicated with oil storage room (8) and axial output oil duct (5), it is characterised in that:
It is also provided with radial output oil duct (4) in the output shaft (6) inner radial direction, in the crankshaft timing gear (2)
Radially offer the gear nozzle opening (3) of perforation；
One end of radial output oil duct (4) is connected with axial output oil duct (5), the other end and the gear oil spout
Hole (3) is connected；
With the rotation of crankshaft (1), lubricating oil is sprayed from the gear nozzle opening (3), is recycled and is positively sprayed to gear drive
It is the flank of tooth of other gears, pinion unit is lubricated.
2. a kind of gear lubrication system of diesel engine according to claim 1, it is characterised in that: with the output shaft (6) with
The crankshaft timing gear (2) cooperates on the basis of the keyway installed, internal in the output shaft (6) using same angle
Radial direction offers radial output oil duct (4) being connected with axial output oil duct (5), in crankshaft timing gear (2)
The radial direction of corresponding position offers gear nozzle opening (3).
3. a kind of gear lubrication system of diesel engine according to claim 1, it is characterised in that: the gear nozzle opening (3)
Diameter is φ 1mm- φ 1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821250035.0U CN208605240U (en) | 2018-08-04 | 2018-08-04 | A kind of gear lubrication system of diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821250035.0U CN208605240U (en) | 2018-08-04 | 2018-08-04 | A kind of gear lubrication system of diesel engine |
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| Publication Number | Publication Date |
|---|---|
| CN208605240U true CN208605240U (en) | 2019-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821250035.0U Active CN208605240U (en) | 2018-08-04 | 2018-08-04 | A kind of gear lubrication system of diesel engine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678829A (en) * | 2018-08-04 | 2018-10-19 | 山东华源莱动内燃机有限公司 | A kind of gear lubrication system of diesel engine |
-
2018
- 2018-08-04 CN CN201821250035.0U patent/CN208605240U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678829A (en) * | 2018-08-04 | 2018-10-19 | 山东华源莱动内燃机有限公司 | A kind of gear lubrication system of diesel engine |
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