CN101435354A - Lubrication oiling apparatus of internal combustion engine air cylinder - Google Patents
Lubrication oiling apparatus of internal combustion engine air cylinder Download PDFInfo
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- CN101435354A CN101435354A CNA2007100942347A CN200710094234A CN101435354A CN 101435354 A CN101435354 A CN 101435354A CN A2007100942347 A CNA2007100942347 A CN A2007100942347A CN 200710094234 A CN200710094234 A CN 200710094234A CN 101435354 A CN101435354 A CN 101435354A
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- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a cylinder lubricating and oiling device for an internal combustion engine. The device comprises a mating plate of an oil measuring piston and an oil measuring piston body. The mating plate forms an oil measuring cavity and a common rail cavity after mating. Two hydraulic blocks are arranged at two ends of the oil measuring piston body so as to limit the maximum stroke of the oil measuring piston. An oiling control valve and a decompression control valve are simultaneously actuated and released so as to control the communication between the common rail cavity and a high pressure oil source and the blockage of an oil path between the common rail cavity and a low pressure oil relief valve and the blockage between the oil measuring cavity and the high pressure oil source, and the communication of the oil path between the oil measuring cavity and a cylinder oil distributor, or the blockage between the common rail cavity and the high pressure oil source and the communication between the common rail cavity and a low pressure oil return pipe, and the communication between the oil measuring cavity and the high pressure oil source and the blockage of the oil path between the oil measuring cavity and the cylinder oil distributor. The cylinder lubricating and oiling device for the internal combustion engine has a simple structure and realizes the approximate constant high pressure oiling.
Description
Technical field
The present invention relates to the lubricated oiling technology of a kind of cylinder of internal-combustion engine, particularly a kind of lubrication oiling apparatus of internal combustion engine air cylinder.
Background technique
Internal-combustion engine has one or more cylinders usually, cylinder comprises cylinder sleeve and piston, described piston has three to five wiper seal piston rings usually, this piston ring slides on the internal surface of cylinder sleeve, the purpose of cylinder lubrication is to keep the lubricant film on the interior surface of cylinder liner, so that the friction between inner surface of cylinder liner and piston ring is remained on suitably low level.Each cylinder sleeve all has several places lubricating point, provides lubricant oil at these lubricating point places by one or more cylinder lubrication devices.
Chinese invention patent communique CN1183509A discloses a kind of cylinder lubrication device of multi-cylinder engine, be applied to a kind of multi-cylinder engine, as shown in Figure 1, described cylinder lubrication device provides the lubricant oil of measuring dosage by several several lubricating points of dosimetry piston 53 on interior surface of cylinder liner that can vertically move in corresponding dosage is measured cylinder 42, this dosimetry piston is contained on the power piston 44 that inserts in the oil hydraulic cylinder, this oil hydraulic cylinder has a hydraulic chamber 45, this chamber can link to each other with pressure source and an eduction gear of a hydraulic fluid by a control valve 37, to realize vertically moving of power piston and corresponding dosage thereof mensuration piston, then the dosimetry piston is finished an output stroke and is provided lubricant oil to lubricating point.
The cylinder lubrication device of above-mentioned internal-combustion engine exists power piston, the many mating plates of dosimetry piston, and the dosimetry cylinder of dosimetry piston circumferentially distributes, and this has increased manufacture cost and difficulty of processing undoubtedly.
The cylinder lubrication device of above-mentioned internal-combustion engine is in the oiling process, and power piston travels forward under the oil pressure effect, drives each dosimetry piston motion simultaneously.Dosimetry piston cavity volume diminishes, and chamber inside cylinder oil pressure raises, and opens fuel-displaced one-way valve to each oiling point oiling.Therefore, oiling pressure and actuation piston movement velocity relation are very big, and a uphill process is arranged.This is unfavorable for the distribution of cylinder oil between each road piston ring, and it is complicated that simultaneity factor also becomes.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of lubrication oiling apparatus of internal combustion engine air cylinder, and this cylinder lubrication oiling device idol number of packages amount is few, oiling pressure stability in the oiling process.
For solving the problems of the technologies described above, the technical solution used in the present invention is to comprise high pressure fuel source oiling valve, oiling control valve, pressure release control valve, hydraulic block one, hydraulic block two, low pressure oil drain valve, gauging piston, gauging piston body, cylinder oil distributor, outlet valve; Gauging piston and gauging piston body are mating plates, form the gauging chamber after this mating plate matches and are total to the rail chamber; Gauging piston body two ends are provided with the range of hydraulic block one, hydraulic block two qualification gauging pistons; Hydraulic block one internal placement has the cylinder lubricating oil runner, is communicated with gauging chamber, cylinder oil distributor, high pressure fuel source oiling valve; Hydraulic block two internal placement have the cylinder lubricating oil runner, with rail chamber, low pressure oil drain valve, high pressure fuel source oiling valve are communicated with altogether; Oiling control valve and pressure release control valve are by excitation simultaneously and release simultaneously, control rail chamber is altogether blocked with the oil circuit between the high pressure fuel source oiling valve and is communicated with the oil circuit between the cylinder oil distributor with the connection of the oil circuit between the high pressure fuel source oiling valve and with the obstruction of the oil circuit between the low pressure oil drain valve, gauging chamber, and perhaps the rail chamber is communicated with the oil circuit between the high pressure fuel source oiling valve and blocks with the oil circuit between the cylinder oil distributor with the obstruction of the oil circuit between the high pressure fuel source oiling valve and with the connection of the oil circuit between the low pressure oil drain valve, gauging chamber altogether; The external low pressure return line of low pressure oil drain valve is assigned a plurality of outlet valves and is connected to each cylinder lubrication point on the cylinder oil distributor, the pressure of high pressure fuel source is higher than the cracking pressure of outlet valve and the pressure of low pressure return line.
Can also comprise rail accumulator altogether, with high pressure fuel source oiling valve, gauging chamber and the connection of the oil circuit between the rail chamber altogether.
Lubrication oiling apparatus of internal combustion engine air cylinder of the present invention only adopts gauging piston and gauging piston body one mating plate, has effectively reduced even part logarithm, and structure becomes simply, has reduced difficulty of processing, has saved cost; Adopt the correction oil injection method of " joint-track type ", avoided in the oiling process oil pressure to set up process, realized approximate permanent high pressure oiling, help cylinder oil and between piston ring, evenly distribute.
Description of drawings
Below in conjunction with the drawings and the specific embodiments the present invention is described in further detail.
Fig. 1 is the cylinder lubrication device schematic representation that CN1183509A discloses a kind of multi-cylinder engine;
Fig. 2 is a mode of execution schematic representation of lubrication oiling apparatus of internal combustion engine air cylinder of the present invention.
Embodiment
An embodiment of the present invention as shown in Figure 2, lubrication oiling apparatus of internal combustion engine air cylinder comprises high pressure fuel source oiling valve 1, cylinder oil distributor 2, outlet valve 3, oiling control valve 4, hydraulic block 1, pressure release control valve 8, hydraulic block 29, low pressure oil drain valve 10, be total to rail accumulator 11, gauging piston 12, gauging piston body 13.Gauging piston 12 and gauging piston body 13 are mating plates, form gauging chamber 6 after this mating plate matches and are total to rail chamber 7; Oiling control valve 4 is other form solenoid valves of a two-bit triplet solenoid valve or identical function, pressure release control valve 8 also is other form solenoid valves of a two-bit triplet solenoid valve or identical function, and the effect function of oiling electrically operated valve 4 and pressure release control valve 8 is opposite; The runner of hydraulic block 1 and hydraulic block 29 internal placement necessity is for cylinder lubrication oil flow; Cylinder oil distributor 2 is each outlet valve of high pressure cylinder oil content dispensing after the dosimetry, and this distributor is some outlet valves of distribution circumferentially, provide lubricant oil by these some outlet valves to lubricating point; Rail accumulator 11 is seed capsules formula hydraulic accumulators altogether, and is charged to system works pressure in advance, and when high pressure fuel source oiling valve 1 was opened, high pressure fuel source is rail accumulator 11 connections together always.When opening, low pressure oil drain valve 10 is communicated with the low pressure return line.
Above-mentioned lubrication oiling apparatus of internal combustion engine air cylinder working procedure is as follows.High pressure fuel source oiling valve 1 and low pressure oil drain valve 10 remain on opening state simultaneously during work.The pressure of high pressure fuel source is higher than the cracking pressure of outlet valve, rail accumulator 11 is charged to system works pressure in advance altogether, hold inside cylinder lubricating oil, outlet has high pressure cylinder lubricant oil runner to be communicated with high pressure fuel source oiling valve 1, during work when the high pressure fuel source pressure in the high pressure cylinder lubricant oil runner is lower than system works pressure, common rail accumulator inside is held the cylinder lubricating oil that has and is just discharged in high pressure cylinder lubricant oil runner continuously, keep the constant of high pressure cylinder lubricant oil runner inner high voltage oil supply pressure, reduce the fluctuation of high pressure fuel source pressure.Oiling control valve 4 and pressure release control valve 8 encourage being energized simultaneously and discharging simultaneously.
When threeway electromagnetism oiling control valve 4 and pressure release control valve 8 are energized simultaneously, oiling control valve 4 is communicated with the asphalt channel between gauging chamber 6 and the cylinder oil dispenser 2, with the pathway closure between high pressure fuel source oiling valve 1 and the gauging chamber 6, at this moment, pressure release solenoid valve 8 is with the channel connection between high pressure fuel source oiling valve, common rail accumulator 11 and the common rail chamber 7, with the cut-out of the asphalt channel between rail chamber 7 and the low pressure oil drain valve 10 altogether.High pressure fuel source enters common rail chamber 7, pressure acts on the gauging piston, because high pressure fuel source pressure is higher than outlet valve 3 cracking pressures, each outlet valve is opened, be total under the 7 high pressure fuel source pressure effects of rail chamber, promoting gauging piston 12 moves to hydraulic block one 5 directions, rail chamber 7 volumes increase altogether, the volume reducing in gauging chamber 6, beginning is to each cylinder lubrication point oiling, along with moving to hydraulic block one 5 directions of gauging piston 12, high pressure fuel source constantly injects rail chamber 7 altogether, and the cylinder oil in the gauging chamber 6 is injected between piston ring by outlet valve continuously.When gauging piston 12 contacted with hydraulic block 1, the oiling process finished.Being total to rail accumulator 11 during oiling keeps high pressure cylinder lubricant oil runner and is total to the constant of rail chamber 7 inner high voltage oil supply pressures.
When threeway electromagnetism oiling control valve 4 and pressure release control valve 8 were released simultaneously, oiling control valve 4 was cut off the asphalt channel between gauging chamber 6 and the cylinder oil dispenser 2, and the asphalt channel between high pressure fuel source oiling valve 1 and the gauging chamber 6 is connected.At this moment, pressure release control valve 8 will be total to rail accumulator 11 and the cut-out of the asphalt channel between the rail chamber 7 altogether, with the connection of the asphalt channel between rail chamber 7 and the low pressure oil drain valve 10 altogether.High pressure fuel source inlet oil pocket 6, pressure acts on the gauging piston, because high pressure fuel source pressure is higher than the pressure of low pressure return line, under the 6 high pressure fuel source pressure effects of gauging chamber, promoting gauging piston 12 moves to hydraulic block 29 directions, be total to rail chamber 7 volume reducing, gauging chamber 6 volumes increase, along with moving of gauging piston 12 to hydraulic block 29 directions, lubricant oil in the rail chamber 7 discharges to the low pressure return line altogether, the continuous injection amount oil pocket 6 of high pressure fuel source, when gauging piston 12 contacted with hydraulic block 29, the gauging process finished.Be total to rail accumulator 11 during gauging and keep the constant of high pressure cylinder lubricant oil runner, gauging chamber 6 inner high voltage oil supply pressures.
The effective travel of the diameter of gauging piston 12 and gauging piston 12 has determined the volume of each oiling.The diameter of gauging piston is big more, and the oiling process is fast more.The effective travel of oiling piston can obtain by the length of adjusting piston adjusting indirectly.
Lubrication oiling apparatus of internal combustion engine air cylinder of the present invention only adopts gauging piston and gauging piston body one mating plate, has effectively reduced even part logarithm, and structure becomes simply, has reduced difficulty of processing, has saved cost; Adopt the correction oil injection method of " joint-track type ", avoided in the oiling process oil pressure to set up process, realized approximate permanent high pressure oiling, help cylinder oil and between piston ring, evenly distribute.
Claims (6)
1, a kind of lubrication oiling apparatus of internal combustion engine air cylinder, it is characterized in that, comprise high pressure fuel source oiling valve, oiling control valve, pressure release control valve, hydraulic block one, hydraulic block two, low pressure oil drain valve, gauging piston, gauging piston body, cylinder oil distributor, outlet valve; Gauging piston and gauging piston body are mating plates, form the gauging chamber after this mating plate matches and are total to the rail chamber; Gauging piston body two ends are provided with the range of hydraulic block one, hydraulic block two qualification gauging pistons; Hydraulic block one internal placement has the cylinder lubricating oil runner, is communicated with gauging chamber, cylinder oil distributor, high pressure fuel source oiling valve; Hydraulic block two internal placement have the cylinder lubricating oil runner, with rail chamber, low pressure oil drain valve, high pressure fuel source oiling valve are communicated with altogether; Oiling control valve and pressure release control valve are by excitation simultaneously and release simultaneously, control rail chamber is altogether blocked with the oil circuit between the high pressure fuel source oiling valve and is communicated with the oil circuit between the cylinder oil distributor with the connection of the oil circuit between the high pressure fuel source oiling valve and with the obstruction of the oil circuit between the low pressure oil drain valve, gauging chamber, and perhaps the rail chamber is communicated with the oil circuit between the high pressure fuel source oiling valve and blocks with the oil circuit between the cylinder oil distributor with the obstruction of the oil circuit between the high pressure fuel source oiling valve and with the connection of the oil circuit between the low pressure oil drain valve, gauging chamber altogether; The external low pressure return line of low pressure oil drain valve is assigned a plurality of outlet valves and is connected to each cylinder lubrication point on the cylinder oil distributor, the pressure of high pressure fuel source is higher than the cracking pressure of outlet valve and the pressure of low pressure return line.
2, lubrication oiling apparatus of internal combustion engine air cylinder according to claim 1 is characterized in that, also comprises rail accumulator altogether, with high pressure fuel source oiling valve, gauging chamber and the connection of the oil circuit between the rail chamber altogether.
3, lubrication oiling apparatus of internal combustion engine air cylinder according to claim 2, it is characterized in that, described rail accumulator altogether is a hydraulic accumulator, this hydraulic accumulator and high pressure fuel source oiling valve directly are communicated with, and be communicated with by the pressure release control valve between the rail chamber, and be communicated with by the oiling control valve between the gauging chamber altogether.
4, lubrication oiling apparatus of internal combustion engine air cylinder according to claim 1 is characterized in that, described oiling control valve, pressure release control valve are the two-bit triplet solenoid valve.
5, lubrication oiling apparatus of internal combustion engine air cylinder according to claim 1 is characterized in that, the length-adjustable of gauging piston is to adjust the effective travel adjustment amount finish amount of gauging piston.
6, lubrication oiling apparatus of internal combustion engine air cylinder according to claim 1 is characterized in that, outlet valve upwards evenly distributed in cylinder oil distributor week.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100942347A CN101435354B (en) | 2007-11-15 | 2007-11-15 | Lubrication oiling apparatus of internal combustion engine air cylinder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100942347A CN101435354B (en) | 2007-11-15 | 2007-11-15 | Lubrication oiling apparatus of internal combustion engine air cylinder |
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| Publication Number | Publication Date |
|---|---|
| CN101435354A true CN101435354A (en) | 2009-05-20 |
| CN101435354B CN101435354B (en) | 2010-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2007100942347A Active CN101435354B (en) | 2007-11-15 | 2007-11-15 | Lubrication oiling apparatus of internal combustion engine air cylinder |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110289A (en) * | 2014-07-02 | 2014-10-22 | 武汉理工大学 | Electric control air cylinder oil injection dispenser |
| CN104121068A (en) * | 2014-07-02 | 2014-10-29 | 武汉理工大学 | Electrically controlled air cylinder oiling device |
| CN104153840A (en) * | 2014-07-02 | 2014-11-19 | 武汉理工大学 | Electronic control cylinder lubricating device |
| CN105257362A (en) * | 2015-10-30 | 2016-01-20 | 中船动力研究院有限公司 | Common rail type air cylinder oil injection lubricating system |
| CN111527286A (en) * | 2017-12-13 | 2020-08-11 | 汉斯延森注油器公司 | Large low speed two-stroke engine and method of lubricating the same and controller for such an engine and method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK173288B1 (en) * | 1996-10-11 | 2000-06-13 | Man B & W Diesel As | Cylinder lubrication unit for a multi-cylinder internal combustion engine and method for controlling the amount of delivery from a cylinder |
| JP3806398B2 (en) * | 2002-11-28 | 2006-08-09 | 三菱重工業株式会社 | Cylinder lubrication device |
| CN201103434Y (en) * | 2007-11-15 | 2008-08-20 | 中国船舶重工集团公司第七一一研究所 | Lubricating and oiling device for gas cylinder of internal combustion engine |
-
2007
- 2007-11-15 CN CN2007100942347A patent/CN101435354B/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110289A (en) * | 2014-07-02 | 2014-10-22 | 武汉理工大学 | Electric control air cylinder oil injection dispenser |
| CN104121068A (en) * | 2014-07-02 | 2014-10-29 | 武汉理工大学 | Electrically controlled air cylinder oiling device |
| CN104153840A (en) * | 2014-07-02 | 2014-11-19 | 武汉理工大学 | Electronic control cylinder lubricating device |
| CN104153840B (en) * | 2014-07-02 | 2016-05-18 | 武汉理工大学 | Electronic control cylinder lubricating arrangement |
| CN104110289B (en) * | 2014-07-02 | 2017-03-22 | 武汉理工大学 | Electric control air cylinder oil injection dispenser |
| CN105257362A (en) * | 2015-10-30 | 2016-01-20 | 中船动力研究院有限公司 | Common rail type air cylinder oil injection lubricating system |
| CN111527286A (en) * | 2017-12-13 | 2020-08-11 | 汉斯延森注油器公司 | Large low speed two-stroke engine and method of lubricating the same and controller for such an engine and method |
| CN111527286B (en) * | 2017-12-13 | 2022-11-15 | 汉斯延森注油器公司 | Large low speed two-stroke engine and method of lubricating the same and controller for such an engine and method |
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| Publication number | Publication date |
|---|---|
| CN101435354B (en) | 2010-12-29 |
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Application publication date: 20090520 Assignee: Wartsila Qiyao Diesel Company Ltd. (Shanghai) Assignor: The 711th Research Institute of China Shipbuilding Industrial Corporation(CSIC) Contract record no.: 2012310000234 Denomination of invention: Lubrication oiling apparatus of internal combustion engine air cylinder Granted publication date: 20101229 License type: Exclusive License Record date: 20121225 |
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