CN104390783B - A kind of high temperature big flow lubricating oil adjusting means - Google Patents
A kind of high temperature big flow lubricating oil adjusting means Download PDFInfo
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- CN104390783B CN104390783B CN201410714688.XA CN201410714688A CN104390783B CN 104390783 B CN104390783 B CN 104390783B CN 201410714688 A CN201410714688 A CN 201410714688A CN 104390783 B CN104390783 B CN 104390783B
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- oil
- pump group
- heater
- exerciser
- flow
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Abstract
The invention belongs to Vehicle Engineering, a kind of high temperature big flow lubricating oil adjusting means is disclosed, it includes：High-order oil feeding reservoir, exerciser, oil flowmeter, threeway ratio adjusting valve, combination gear pump group and heater；The high-order oil feeding reservoir is connected with combination gear pump group input port, the delivery outlet connection heater of combination gear pump group, heater is connected by threeway ratio adjusting valve joint test device, exerciser with combination gear pump group input port, and the oily flow for entering heater is adjusted by combination gear pump group；Oil flowmeter is arranged on the exit of exerciser, and oil flowmeter is connected with the controller of threeway ratio adjusting valve, the flow information that the controller of threeway ratio adjusting valve is recorded according to oil flowmeter, the aperture of corresponding regulation threeway ratio adjusting valve.The present invention can solve the problem that cooling and analysis of Lubricating Characteristic in system, ensure that normal operation of the lubricating oil supplies under multi-state.
Description
Technical field
The invention belongs to Vehicle Engineering, and in particular to a kind of high temperature big flow lubricating oil adjusting means.
Background technology
In Engines Used In Special Vehicle, the design of transmission system, engine, transmission case lubrication problem it is extremely important.Lubrication
The major function of system is：Machine oil entrained by storage vehicle；Engine oil supplying engine, transmission case are respectively transported under a certain pressure
The friction surface of motivation part, is paid with lubrication friction, takes away produced heat, reduces its abrasion.
Simulate the flow status of special vehicle lubricating oil under different operating modes, there is provided radiating and lubrication under emulation mode
Experiment, is that the offer engineering design foundation of special vehicle and examination are verified, is the purpose of this experimental rig.
The problem that the current work is present be because oil body is big, especially in low temperature environment, huge motion
Viscosity has thus resulted in the poor fluidity of lubricating oil, thus can cause the cavitation erosion insufficient pressure of oil feed pump, causes serious before pump
Cavitation, cavitation erosion can cause the rapid damage of pump, cause system oil flowed fluctuation and deficiency, and lubrication and cooling effect are all
It is greatly reduced, serious meeting causes the damage of engine, transmission case.
Special vehicle flow of lubrication is larger, so that flow control wide ranges, current single big flow oil pump group valency
Lattice and its costliness, and volume weight is all very big, not easy to install, cost is huge.And high temperature grease gear pump group is due to gear
There is larger fluctuation in the work characteristics of pump, flow, thus accurate flow control is relatively difficult.Design experiment device simulated test is filled
Put, the radiating of analysis special vehicle lubricating system and lubrication property are, it is necessary to high-precision adjusting means.
The content of the invention
(1) technical problem to be solved
The technical problem to be solved in the present invention is：There is provided it is a kind of to special vehicle high temperature big flow lubricating oil adjusting means and
Adjusting method, the flow under simulation special vehicle lubricating system difference operating mode, cooling and analysis of Lubricating Characteristic in solution system,
Ensure that normal operation of the lubricating oil supplies under multi-state.
(2) technical scheme
In order to solve the above-mentioned technical problem, the present invention provides a kind of high temperature big flow lubricating oil adjusting means, and it includes：It is high
Position oil feeding reservoir 1, exerciser 2, oil flowmeter 3, threeway ratio adjusting valve 4, combination gear pump group and heater 7；The high-order benefit
Fuel tank 1 is connected with combination gear pump group input port, and the delivery outlet connection heater 7 of combination gear pump group, heater 7 passes through threeway
The joint test device 2 of ratio adjusting valve 4, exerciser 2 is connected with combination gear pump group input port, by combination gear pump group adjust into
Enter the oily flow of heater 7；Oil flowmeter 3 is arranged on the exit of exerciser 2, oil flowmeter 3 and threeway ratio adjusting valve 4
Controller is connected, the flow information that the controller of threeway ratio adjusting valve 4 record according to oil flowmeter 3, accordingly adjusts threeway ratio
The aperture of example regulating valve 4.
Preferably, the combination gear pump group includes that multiple determines frequency oil pump group 5 and multiple frequency conversion oil pump groups 6 are in parallel.
Preferably, exerciser 2 is received the high temperature of heater 7 by the exerciser 2 with high-order oil feeding reservoir 1 by pipeline connection
Gas produced by influence is by tubes rows to temperature compensation fuel tank 1 high.
Preferably, the input port connection of the threeway ratio adjusting valve 4 and combination gear pump group, connecting tube between the two
Valve is provided with road.
Preferably, the input port of the combination gear pump group and equipped at outlet port are respectively arranged with valve, threeway proportion adjustment
Valve is provided with connecting line between valve 4 and exerciser 2, valve is provided between exerciser 2 and oil flowmeter 3.
Preferably, the exit of the heater 7 is provided with temperature sensor, the temperature of the hydrothermal solution that measurement is flowed out by heater 7
Degree, heater controller temperature value according to measured by adjusts the heating power of heater 7.
Present invention also offers a kind of high temperature big flow lubricating oil adjusting method, it includes procedure below：
First, the oiling into adjusting means from high-order oil feeding reservoir 1, after the liquid level of high-order oil feeding reservoir 1 does not decline, starts frequency conversion
Oil pump group 6, first sets flow and is run at the 30%~60% of rated value, and then starting heater 7 carries out being warmed to required temperature
Degree；Monitored by oil temperature at heater outlet, heating power is adjusted by heater controller so that temperature control exists
Target temperature；
After temperature is increased to required temperature, adjusts frequency conversion oil pump group 6 and determine frequency oil pump group 5, so that oil in adjusting means
Flow runs according to rated value, while flow information of the controller of threeway ratio adjusting valve 4 according to oil flowmeter 3, adjusts threeway
The aperture of ratio adjusting valve 4, accurate adjustment is carried out to oily flow again, makes to meet exerciser need by the oil temperature and oily flow of exerciser 2
Will.
Preferably, when starting the frequency conversion oil pump group 6, first set flow and run at the 50% of rated value.
(3) beneficial effect
High temperature big flow lubricating oil adjusting means and adjusting method that above-mentioned technical proposal is provided, by traditional profit
Lubricating oil adjusting means is used cooperatively using threeway proportioning valve simultaneously only with the mode of oil pump group oil transportation, so as to reach flow energy
It is precise and stable under target flow, it is very big to solve the flowed fluctuation that former method brings, and is difficult the problem of precise control.Originally simultaneously
Adjusting means is solved using the method using inlet ductwork before inlet pressure, and design pump before high-order oil feeding reservoir elevator pump
The problem cavitated before pump under low-temperature condition, thus improve the service life of equipment；Combined using multigroup high temperature gear pump
Form, solves the problems, such as the supply of big flow lubricating oil.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment of the present invention high temperature big flow lubricating oil adjusting means.
In figure：1- high position oil feeding reservoirs, 2- exercisers, 3- oil flowmeters, 4- threeway ratio adjusting valves, 5- determines frequency oil pump group,
6- frequency conversion oil pump groups, 7- heaters.
Specific embodiment
To make the purpose of the present invention, content and advantage clearer, with reference to the accompanying drawings and examples, to tool of the invention
Body implementation method is described in further detail.
In the description of the invention, it is necessary to explanation, term " on ", D score, "left", "right", " top ", " bottom ", " interior ",
The orientation or position relationship of the instruction such as " outward " are, based on orientation shown in the drawings or position relationship, to be for only for ease of description this hair
Bright and simplified description, must be with specific orientation, with specific orientation rather than the device or element for indicating or imply meaning
Construction and operation, therefore be not considered as limiting the invention.Additionally, term " first ", " second ", " the 3rd " are only used for retouching
Purpose is stated, and it is not intended that indicating or implying relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " company
Connect " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or it is integrally connected；It can be machine
Tool is connected, or electrically connected；Can be directly connected to, or be indirectly connected with by intermediary, can be two
The connection of element internal.For the ordinary skill in the art, can regard concrete condition understands above-mentioned term in this hair
Concrete meaning in bright.
Additionally, in the description of the invention, unless otherwise indicated, " multiple " is meant that two or more.
Based on technical problem present in prior art, design of the invention mainly considers that device range of flow, flow are adjusted
The factor of control precision and the solution aspect such as cavitation erosion before the pump under big flow.
Specifically, shown in reference picture 1, the present embodiment high temperature big flow lubricating oil adjusting means includes：High-order oil feeding reservoir 1,
The part such as exerciser 2, oil flowmeter 3, threeway ratio adjusting valve 4, combination gear pump group, heater 7 and pipeline, valve.
Further, high-order oil feeding reservoir 1 is connected with combination gear pump group input port, the delivery outlet connection of combination gear pump group
Heater 7, heater 7 is connected by the joint test device 2 of threeway ratio adjusting valve 4, exerciser 2 with combination gear pump group input port
Connect；Oil flowmeter 3 is arranged on the exit of exerciser 2, and oil flowmeter 3 is connected with the controller of threeway ratio adjusting valve 4, threeway
The flow information that the controller of ratio adjusting valve 4 is recorded according to oil flowmeter 3, the aperture of corresponding regulation threeway ratio adjusting valve 4.
In said structure, using high-order oil feeding reservoir 1 is designed before pump, the effect of high-order oil feeding reservoir 1 can not only make system
In oil gas separated, gas is discharged in high-order oil feeding reservoir 1, so as to empty, can also utilize the height of high-order oil feeding reservoir 1,
There is constant inlet pressure before ensureing pump, while on pipeline before pump, according to the metered flow of device, selecting suitable oil pump
Entrance caliber so that the flowing velocity of lubricating oil can avoid the cavitation erosion problem before pump in 0.3m/s~0.5m/s in pipe.
, to device oiling, hydraulic oil is by combination gear pump group injection heating device 7, the deep fat after heating for high-order oil feeding reservoir 1
Exerciser 2 is flowed to by threeway ratio adjusting valve 4, is further flowed back to by combination gear pump group via the fluid of exerciser 2 and added
Hot device 7, because the present embodiment adjusting means has the characteristics of to the regulation and control of lubricating oil big flow scope, needs with larger again
Charge oil pressure, thus using being used by multiple high temperature gear pump group parallel combinations, can so meet the continuous of wide range of traffic
It is adjustable, again can be under low discharge, it is ensured that charge oil pressure；Meanwhile, solve that conventional gears range of pump flow rates is narrow, lift under low discharge
Low problem, can carry out precise control to vehicle flow of lubrication, the flow of lubricating oil of the simulating vehicle under different operating modes, together
When solve under big flow gear pump before cavitate problem, with stronger engineer applied performance.
Because the discharge characteristic of combination gear pump group is changed by the volume rotated to produce working chamber of operation element,
And medium is constantly transferred to discharge side from suction side, thus certain periodic flowed fluctuation can be produced, moisten to improve
The control accuracy of oil flow, thus using the Flow-rate adjustment of combination gear pump group as coarse adjustment, by increasing Pneumatic three-way ratio
Regulating valve 4, further can be adjusted so that flow control accuracy highest to the flowed fluctuation that combination gear pump group is brought
Reachable ± 0.1L/min.
Combination gear pump group includes that multiple determine frequency oil pump group 5 and multiple frequency conversion oil pump groups 6 are in parallel, using determine frequency oil pump group with
The mode of frequency conversion oil pump group combination, such advantage is the cost that can greatly reduce equipment, and has use higher simultaneously
Flexibility.When in use such as in, in the range of low discharge, can be used alone frequency conversion oil pump group, in can so completing
The Flow-rate adjustment of low discharge scope, under big flow, first starts and determines frequency oil pump group, then with the use of frequency conversion oil pump group, from
And ensure large-scale flow of lubrication.
Exerciser 2, by pipeline connection, can be influenceed produced by exerciser 2 with high-order oil feeding reservoir 1 by the high temperature of heater 7
Gas by tubes rows to temperature compensation fuel tank 1 high, further solve the problems, such as the cavitation erosion in whole adjusting means.
In the present embodiment, the input port of combination gear pump group and equipped at outlet port are respectively arranged with valve, threeway proportion adjustment
Valve is provided with connecting line between valve 4 and exerciser 2, valve is provided between exerciser 2 and oil flowmeter 3；Threeway
The input port connection of ratio adjusting valve 4 and combination gear pump group, valve is provided with connecting line between the two.
The exit of heater 7 is provided with temperature sensor, the temperature of the hydrothermal solution that measurement is flowed out by heater 7, heater control
Device processed temperature value according to measured by adjusts the heating power of heater 7, is maintained at default with the heating-up temperature for ensureing heater
In temperature range.
Based on the structure setting of above-mentioned high temperature big flow lubricating oil adjusting means, the present embodiment also provides a kind of corresponding profit
Lubricating oil adjusting method, its regulation process is specific as follows：
The oiling into adjusting means first from high-order oil feeding reservoir 1, after the liquid level of high-order oil feeding reservoir 1 does not decline substantially, starts
Frequency conversion oil pump group 6, first sets flow and is run at the 30%~60% of rated value, and preferably 50%, flow can be by oily flow
Meter 3 is monitored, and then starting heater 7 carries out being warmed to required temperature；Low discharge (i.e. flow rated value 30%~
60%) on the one hand operation can make media flow, be easy to medium temperature uniformly to be lifted, before on the other hand can avoiding pump
Suddenly there is a demand of handling up of big flow, and the cavitation for easily causing.By the monitoring to lubricating oil temperature at heater outlet,
Heating power is adjusted using the control algolithm of PID, can cause that temperature is accurately controlled in target temperature.
After temperature is increased to required temperature, adjusts frequency conversion oil pump group 6 and determine frequency oil pump group 5, so that lubricating oil in device
Flow runs according to rated value, while threeway ratio adjusting valve 4 is by feeding back the signal of oil flowmeter 3, to flow of lubrication again
Accurate adjustment is carried out, so as to ensure the demand of oil temperature and oily flow all Pass Test devices by the lubricating oil of exerciser 2.
When the present embodiment adjusting means is used in the range of big flow, after the elevated process of temperature is completed, first to start
Frequency oil pump group 5 is determined in frequency conversion oil pump group 6 and then simultaneously startup, determines the use of frequency oil pump group 5 so that oily flow is more stablized.
The design of the present embodiment high temperature big flow lubricating oil adjusting means is generally applicable the feed adjustment system of all kinds of oil products,
Flow, the temperature of medium can be accurately adjusted, is suitable as carrying out oil product the major cycle device of all kinds of performance tests.
By above-mentioned technical proposal as can be seen that the present invention is by defeated only with oil pump group in traditional lubricating oil adjusting means
Used cooperatively using threeway proportioning valve simultaneously in the mode of oil, can be precise and stable under target flow so as to reach flow, solve
The flowed fluctuation that former method is brought is very big, is difficult the problem of precise control.This adjusting means is using using high-order repairing simultaneously
Inlet pressure before case elevator pump, and design pump before inlet ductwork method, solve before pump under low-temperature condition cavitate ask
Topic, thus improve the service life of equipment；The form combined using multigroup high temperature gear pump, solves big flow lubricating oil
Supply problem.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, on the premise of the technology of the present invention principle is not departed from, some improvement and deformation can also be made, these improve and deform
Also should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of high temperature big flow lubricating oil adjusting means, it is characterised in that including：High-order oil feeding reservoir (1), exerciser (2), oil
Flowmeter (3), threeway ratio adjusting valve (4), combination gear pump group and heater (7)；The high-order oil feeding reservoir (1) and tooth in parallel
Wheel pump group input port connection, the delivery outlet of combination gear pump group connects heater (7), and heater (7) is by threeway proportion adjustment
Valve (4) joint test device (2), exerciser (2) is connected with combination gear pump group input port, is adjusted by combination gear pump group and entered
The oily flow of heater (7)；Oil flowmeter (3) is arranged on the exit of exerciser (2), and oil flowmeter (3) is adjusted with threeway ratio
The controller connection of section valve (4), the flow information that the controller of threeway ratio adjusting valve (4) is recorded according to oil flowmeter (3), phase
The aperture of threeway ratio adjusting valve (4) should be adjusted；
The exerciser (2) by pipeline connection, exerciser (2) is influenceed by heater (7) high temperature with high-order oil feeding reservoir (1)
Produced gas is by tubes rows to temperature compensation fuel tank (1) high.
2. high temperature big flow lubricating oil adjusting means as claimed in claim 1, it is characterised in that the combination gear pump group bag
Include multiple and determine frequency oil pump group (5) and multiple frequency conversion oil pump group (6) parallel connections.
3. high temperature big flow lubricating oil adjusting means as claimed in claim 1, it is characterised in that the threeway ratio adjusting valve
(4) and combination gear pump group input port connection, be provided with valve on connecting line between the two.
4. high temperature big flow lubricating oil adjusting means as claimed in claim 1, it is characterised in that the combination gear pump group
Input port and equipped at outlet port are respectively arranged with valve, are set on the connecting line between threeway ratio adjusting valve (4) and exerciser (2)
Valve is equipped with, valve is provided between exerciser (2) and oil flowmeter (3).
5. the high temperature big flow lubricating oil adjusting means as any one of claim 1-4, it is characterised in that the heating
Device (7) exit is provided with temperature sensor, the temperature of the hydrothermal solution that measurement is flowed out by heater (7), heater controller according to
The heating power of measured temperature value regulation heater (7).
6. a kind of high temperature big flow lubricating oil adjusting method, it is characterised in that the adjusting method is appointed using in claim 1-5
High temperature big flow lubricating oil adjusting means described in one is carried out, including procedure below：
First, from high-order oil feeding reservoir (1) oiling into adjusting means, after high-order oil feeding reservoir (1) liquid level does not decline, frequency conversion is started
Oil pump group (6), first sets flow and is run at the 30%~60% of rated value, needed for then startup heater 7 is warmed to
Temperature；Monitored by oil temperature at heater outlet, heating power is adjusted by heater controller so that temperature control
In target temperature；
After temperature is increased to required temperature, adjusts frequency conversion oil pump group (6) and determine frequency oil pump group (5) so that oil in adjusting means
Flow runs according to rated value, while flow information of threeway ratio adjusting valve (4) controller according to oil flowmeter (3), regulation
The aperture of threeway ratio adjusting valve (4), accurate adjustment is carried out to oily flow again, makes to meet by the oil temperature and oily flow of exerciser (2)
Exerciser needs.
7. high temperature big flow lubricating oil adjusting method as claimed in claim 6, it is characterised in that start the frequency conversion oil pump group
(6) when, first set flow and run at the 50% of rated value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410714688.XA CN104390783B (en) | 2014-12-02 | 2014-12-02 | A kind of high temperature big flow lubricating oil adjusting means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410714688.XA CN104390783B (en) | 2014-12-02 | 2014-12-02 | A kind of high temperature big flow lubricating oil adjusting means |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104390783A CN104390783A (en) | 2015-03-04 |
| CN104390783B true CN104390783B (en) | 2017-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410714688.XA Expired - Fee Related CN104390783B (en) | 2014-12-02 | 2014-12-02 | A kind of high temperature big flow lubricating oil adjusting means |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006092947A1 (en) * | 2005-03-02 | 2006-09-08 | Toyota Jidosha Kabushiki Kaisha | Lubrication apparatus |
| CN201326421Y (en) * | 2008-12-10 | 2009-10-14 | 上海电气电站设备有限公司 | Steam turbine lubricating oil supply device |
| CN201503346U (en) * | 2009-08-26 | 2010-06-09 | 重庆理工大学 | Control system for detecting oil temperature of speed changer |
| CN201588674U (en) * | 2010-02-01 | 2010-09-22 | 中国北方车辆研究所 | Vehicle lubricating system oil-gas separation device |
| CN202215718U (en) * | 2011-08-22 | 2012-05-09 | 成都利君实业股份有限公司 | A reduction box lubricating system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010022137A1 (en) * | 2010-05-20 | 2011-11-24 | Gm Global Technology Operations Llc (N.D.Ges.D. Staates Delaware) | Pump for a lubrication system of an internal combustion engine |
-
2014
- 2014-12-02 CN CN201410714688.XA patent/CN104390783B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006092947A1 (en) * | 2005-03-02 | 2006-09-08 | Toyota Jidosha Kabushiki Kaisha | Lubrication apparatus |
| CN201326421Y (en) * | 2008-12-10 | 2009-10-14 | 上海电气电站设备有限公司 | Steam turbine lubricating oil supply device |
| CN201503346U (en) * | 2009-08-26 | 2010-06-09 | 重庆理工大学 | Control system for detecting oil temperature of speed changer |
| CN201588674U (en) * | 2010-02-01 | 2010-09-22 | 中国北方车辆研究所 | Vehicle lubricating system oil-gas separation device |
| CN202215718U (en) * | 2011-08-22 | 2012-05-09 | 成都利君实业股份有限公司 | A reduction box lubricating system |
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| Publication number | Publication date |
|---|---|
| CN104390783A (en) | 2015-03-04 |
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