CN202970844U - Diesel engine lubrication oil way system with lubricating oil cooling device - Google Patents
Diesel engine lubrication oil way system with lubricating oil cooling device Download PDFInfo
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- CN202970844U CN202970844U CN 201220673977 CN201220673977U CN202970844U CN 202970844 U CN202970844 U CN 202970844U CN 201220673977 CN201220673977 CN 201220673977 CN 201220673977 U CN201220673977 U CN 201220673977U CN 202970844 U CN202970844 U CN 202970844U
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- oil
- lubricating oil
- diesel engine
- radiator
- cooling device
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Abstract
The utility model discloses a diesel engine lubrication oil way system with a lubricating oil cooling device. The diesel engine lubrication oil way system with the lubricating oil cooling device comprises a circulating lubrication oil way system and the lubricating oil cooling device. The circulating lubrication oil way system is composed of an oil bottom shell, an oil pump, an oil filter, a crankshaft and a valve rocker, and lubricating oil sequentially passes through the oil bottom shell, the oil pump, the oil filter, the crankshaft and the valve rocker, and returns to the oil bottom shell to form circulation. The lubricating oil cooling device is used for cooling lubricating oil in the circulating lubrication oil way system. The lubricating oil cooling device comprises a radiator, wherein a channel is arranged inside the radiator, and the radiator is communicated with an oil way between the oil pump and the oil filter through the channel. The lubricating oil cooling device further comprises a heat dissipation fan which is electrically connected with a storage battery of a diesel engine. The heat dissipation fan is provided with a temperature control switch which is used for controlling the heat dissipation fan. Compared with the prior art, the diesel engine lubrication oil way system with the lubricating oil cooling device has the advantages of being safe in system operation, reliable, flexible in cooling work, and efficient.
Description
Technical field
The utility model relates to the diesel engine field, relates in particular to a kind of diesel lubrication oil circuit system with lubricating oil cooling unit.
Background technique
Known, the small power high speed air-cooled diesel engine has that structural design is simple, manufacturing technology is easy to realize, unit is lightweight, environmental suitability is strong and the advantage such as convenient for maintaining, be widely used in each fields such as generating, agriculture, ship, car, engineering machinery, according to the move mode of prestowage equipment, it generally divides fixed and portable two kinds.stationary machine equipment (generator set etc.) is as selecting air-cooled diesel engine, just can't utilize moving air in travelling to force to lubricating oil cooling cooling, can only rely on the outer radiating fin that arranges of oil sump to carry out air natural cooling, or use oil radiator to be arranged in the motor wind scooper, utilizing engine crankshaft to drive centrifugal fan driving air forces cooling to oil radiator, facts have proved, the air-cooled diesel engine prestowage of small power high speed four-stroke nature cooling machine oil is in stationary machine equipment (generator set etc.), scuffing of cylinder bore easily occurs when ambient temperature is above greater than 30 ° of C, the faults such as Bearing score, through investigation and analysis, main cause is the long-time full load operation of motor under hot environment, the heat of passing to machine oil is increased, only depend on oil sump outer surface natural heat dissipation can not make machine oil remain on the following temperature of 90 ° of C, when oil temperature surpasses the temperature of allowing, can not guarantee lubrication, engine oil viscosity reduces, and accelerated oxidation is rotten, the friction of part increases, the wearing and tearing aggravation, machine oil can't form effective lubricating protective film and easily cause scuffing of cylinder bore, the faults such as Bearing score.
at present, also having increases on this basis oil radiator and forces cooling design, be to enter the oil radiator heat radiation by the oil pump supercharging after the oil suction of machine oil slave oil sump to enter each oil duct by oil filter again, but radiator heat-dissipation all is arranged in wind scooper, the part cooling air that utilizes engine crankshaft to drive the centrifugal fan generation dispels the heat, oil radiator and machine oil go out, import is distant can only be communicated with outside diesel engine box body with flexible pipe, this machine oil radiating mode is proof after experiment, ambient temperature greater than 30 ° of 40 ° of C more than C in, even the long-time full load operation diesel engine of user, scuffing of cylinder bore can not occur, the faults such as Bearing score.Simultaneously, after using oil radiator, less than 20 ° below C, oil temperature is the highest can not surpass 70 ° of C yet when ambient temperature, and less than 0 ° below C, oil temperature is the highest can not surpass 55 ° of C yet when ambient temperature.Be that ambient temperature is lower, the diesel engine running temperature is lower.Theoretically, oil temperature is controlled between 70 ° of C-90 ° of C best to the running state of diesel engine, property indices optimum and the longest-lived of diesel engine, cross when cold as diesel engine, inflammable mixture can not well form and burn, and rough running can occur, and CO and HC discharging increase, fuel consumption rate increases, and thermal loss strengthens; Machine oil is viscosity increased when low temperature, and frictional loss strengthens, and especially the wearing and tearing of cylinder can be multiplied.Therefore, although this kind design proposal has solved problems of excessive heat under hot environment, also bring low temperature environment to descend cold adverse effect.Simultaneously, there is potential safety hazard in this type of cooling, be casing outside be used for the junctor oil radiator with into and out of the machine oil flexible pipe of hydraulic fluid port engine oil pressure greater than the environment of 0.3Mpa under long-time running, when generator oil is from the hoses leak fault in unattended situation when diesel engine prestowage equipment, can at short notice machine oil be drained, and then cause the even more serious accidents such as scuffing of cylinder bore, Bearing score.
The model utility content
In view of this, technical problem to be solved in the utility model is: provide a kind of system security of operation, reliable, cooling operations to have flexibly, efficiently the diesel lubrication oil circuit system of lubricating oil cooling unit.
In order to achieve the above object, the utility model adopts following technological scheme to realize:
a kind of diesel lubrication oil circuit system with lubricating oil cooling unit, comprise successively via oil sump, oil pump, oil filter, bent axle, valve rocker is back to the circulating lubrication circuit system for oil that described drain pan consists of circulation, also comprise in order to the lubricating oil in described circulating lubrication circuit system for oil is carried out cooling lubricating oil cooling unit, wherein, described lubricating oil cooling unit comprises that inside has passage, the radiator that is communicated with oil circuit between described oil pump and oil filter, be connected with on described radiator for the radiation fan that is electrically connected with the diesel engine storage battery, described radiation fan has to control the temperature detect switch (TDS) of self.
As preferably, described radiator is the structure that outer wall has radiator shutter.
As preferably, also comprise the pressure gauge and the pressure-limit valve that are connected with described circulating lubrication circuit system for oil.
As shown from the above technical solution, the beneficial effects of the utility model are:
Compared to existing technology, the utility model system security of operation, reliable, cooling operations flexibly, efficient.particularly, can cause diesel engine overheated and scuffing of cylinder bore occur in ambient temperature greater than 30 ° of long-time uses more than C than old those, the faults such as Bearing score, ambient temperature less than 20 ° under the low oil temperature environment below C the long-time running meeting shorten diesel engine working life, utilize crankshaft of diesel engine drive centrifugal fan to oil radiator force cooling can loss approximately 10% total blast volume and those junctor oil radiators with advance, the machine oil flexible pipe of oil outlet can break down and cause lubricating oil leakage to drain, cause the existing diesel lubrication oil circuit system architecture with cooling unit of serious accident, the utility model changes tradition the high temperature oil after the oil pump supercharging is entered the oil filter circulation by the casing oil outlet again after flexible pipe imports oil radiator, utilize crankshaft of diesel engine to drive centrifugal fan driving air oil radiator is forced cooling mode, become the employing new radiator, can directly it be installed on superpose between casing oil outlet after the oil pump supercharging and oil filter fastening, adopt the seal ring sealing between each part, diesel engine passes through the radiator heat-dissipation vane heat dissipating when turning round the high temperature oil process oil radiator that produces, the radiation fan that utilizes the oil radiator intake grill to install, the preferred 24V direct current of this radiation air axial flow fan drives air to be forced cooling, on this direct current axial flow fan, the set temperature control switch is temperature detect switch (TDS), when ambient temperature surpasses setting value, it is cooling that radiation fan is opened pressure automatically, when ambient temperature during lower than setting value, the radiation fan autoshutdown stops cooling, the power supply of radiation fan preferably connects on the equipped storage battery of diesel engine, so, the electricity of its consumption is replenished at any time by the magnetogenerator of diesel engine, additionally do not consume the output power of diesel engine.
In brief, advantage of the present utility model is as follows: 1, overcome overheated under the hot environment and low temperature environment descended cold adverse effect, desired temperature by the temperature detect switch (TDS) that arranges on the indirectly control radiation fan, reached when variation of ambient temperature, controlled fan swicth and carry out cooling purpose to guarantee that diesel engine moves in suitable oil temperature scope; 2, this mode neither reduces the cooling air quantity that crankshaft of diesel engine drives the centrifugal fan generation, does not also consume the diesel engine output power; 3, having eliminated external machine oil flexible pipe breaks down and the potential safety hazard that lubricating oil leakage drains the generation accident occurs; 4, facilitate installation and maintenance, beautified the diesel engine external form.
Description of drawings
Fig. 1 is structural representation of the present utility model.
1, oil sump; 2, oil pump;
3, oil filter; 4, bent axle;
5, valve rocker; 6, radiator;
7, radiation fan; 8, pressure gauge;
9, pressure-limit valve.
Embodiment
In order to make those skilled in the art can further understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing.
see also shown in Figure 1, the utility model provides a kind of diesel lubrication oil circuit system with lubricating oil cooling unit, comprise successively via oil sump 1, oil pump 2, oil filter 3, bent axle 4, valve rocker 5 is back to the circulating lubrication circuit system for oil that described drain pan consists of circulation, also comprise in order to the lubricating oil in described circulating lubrication circuit system for oil is carried out cooling lubricating oil cooling unit, wherein, described lubricating oil cooling unit comprises that inside has passage, the radiator 6 that is communicated with oil circuit between described oil pump and oil filter, be connected with on described radiator for the radiation fan 7 that is electrically connected with the diesel engine storage battery, described radiation fan has to control the temperature detect switch (TDS) (not shown) of self, described radiator is the structure that outer wall has the radiator shutter (not shown), also comprise the pressure gauge 8 and the pressure-limit valve 9 that are connected with described circulating lubrication circuit system for oil.
Specific works flow process of the present utility model is as follows: take 290 diesel engine lubricant passage way systems as example, high temperature oil enters radiator after by the rotor-type oil pump supercharging, radiator radially arranges intake grill, utilizing the direct current axial flow fan is that radiation fan is forced to enter after cooling after oil filter filters, oil duct lubricating spindle footpath by bent axle and bent axle footpath, after entering the lubricated pitman arm shaft of valve rocker, gravity fall is completed the lubrication system circulation in the oil sump of oil sump again.After engine oil pressure was too high, pressure-limit valve was automatically opened and is carried out decompression protection.
But the above is only better possible embodiments of the present utility model, is not to limit to the scope of the claims of the present utility model, therefore the equivalent structure that all utilization the utility model specifications and accompanying drawing content are done changes, all in like manner is included in scope of the present utility model.
Claims (3)
1. diesel lubrication oil circuit system with lubricating oil cooling unit, comprise successively via oil sump, oil pump, oil filter, bent axle, valve rocker is back to the circulating lubrication circuit system for oil that described drain pan consists of circulation, also comprise in order to the lubricating oil in described circulating lubrication circuit system for oil is carried out cooling lubricating oil cooling unit, it is characterized in that, described lubricating oil cooling unit comprises that inside has passage, the radiator that is communicated with oil circuit between described oil pump and oil filter, be connected with on described radiator for the radiation fan that is electrically connected with the diesel engine storage battery, described radiation fan has to control the temperature detect switch (TDS) of self.
2. the diesel lubrication oil circuit system with lubricating oil cooling unit as claimed in claim 1, is characterized in that, described radiator is the structure that outer wall has radiator shutter.
3. the diesel lubrication oil circuit system with lubricating oil cooling unit as claimed in claim 1 or 2, is characterized in that, also comprises the pressure gauge and the pressure-limit valve that are connected with described circulating lubrication circuit system for oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220673977 CN202970844U (en) | 2012-12-10 | 2012-12-10 | Diesel engine lubrication oil way system with lubricating oil cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220673977 CN202970844U (en) | 2012-12-10 | 2012-12-10 | Diesel engine lubrication oil way system with lubricating oil cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202970844U true CN202970844U (en) | 2013-06-05 |
Family
ID=48511931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220673977 Expired - Lifetime CN202970844U (en) | 2012-12-10 | 2012-12-10 | Diesel engine lubrication oil way system with lubricating oil cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202970844U (en) |
-
2012
- 2012-12-10 CN CN 201220673977 patent/CN202970844U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151117 Address after: 350016, No. 3, No. 18, Changan Road, Mawei Town, Mawei District, Fujian, Fuzhou Patentee after: FUJIAN HAWEI POWER MACHINERY CO.,LTD. Address before: 350001 block A, Fu Palace garden, Gulou District, Fujian, Fuzhou 19B Patentee before: Huang Xiaodong |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130605 |
|
| CX01 | Expiry of patent term |