CN2390010Y - Piston combustion chamber of YC 6105QC diesel engine - Google Patents
Piston combustion chamber of YC 6105QC diesel engine Download PDFInfo
- Publication number
- CN2390010Y CN2390010Y CN99238185U CN99238185U CN2390010Y CN 2390010 Y CN2390010 Y CN 2390010Y CN 99238185 U CN99238185 U CN 99238185U CN 99238185 U CN99238185 U CN 99238185U CN 2390010 Y CN2390010 Y CN 2390010Y
- Authority
- CN
- China
- Prior art keywords
- piston
- firing chamber
- diesel engine
- top surface
- combustion chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
- F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
- F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B3/00—Engines characterised by air compression and subsequent fuel addition
- F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
Abstract
The utility model discloses a YC6105QC combustion chamber on a piston head for a diesel engine. The utility model is composed of a piston ring groove, a piston body, a piston top surface combustion chamber, etc. The utility model is characterized in that the combustion chamber is in the shape of a petaling. The diesel engine provided with the piston has the advantages of high overall performance, light weight, low noise, low oil consumption, strong horsepower, etc. The utility model is suitable for the piston of the diesel engine having six cylinders.
Description
The utility model relates to piston, particularly a kind of YC6105QC diesel engine piston firing chamber.
Existing piston has a pit, and piston ring groove normal conventional piston ring, such piston are installed in that to exist air displacement on the diesel engine little, and combustion position is undesirable, and compression ratio is little, and horsepower is low, and noise is big, befouling environment, defectives such as oil consumption height.
The purpose of this utility model is to provide a kind of each above-mentioned defective that can overcome, the firing chamber of piston is transformed into flower distinguishes type or toroidal combustion chamber, this piston is installed on the diesel engine to use improves the complete machine characteristic greatly, the machine total displacement reaches 6.495L, nominal power KW/r/min105/2800, speed at maximum torque Nm/r/min402/1600-900, mean effective pressure MPa0.780, external characteristics consumption minimization g/KWh228.0, the machine oil fuel consume is than≤0.8%, exhaust smoke FSN≤4.5,650 ℃ of delivery temperatures, noise level limit dBA; 117, nt wt net weight Kg:550, boundary dimension 123 * 701 * 1000, the light little beautiful shape of fuselage, low cost of manufacture, YC6105QC diesel engine piston firing chamber easy to install.
Technical solution of the present utility model is such, and the external structure of piston body is constant, and piston ring is also used conventional.Transform on the firing chamber, the firing chamber is made flower and is distinguished shape, also toroidal combustion chamber, combustion chamber volume be 50-60mL (with burette by measuring with diesel oil the volume number).Piston combustion bowl external diameter circle footpath is Ф 50-80mm, interior circle footpath is Ф 40-70mm, the little drift rate flower in firing chamber distinguishes that the base transition arc is R2-R8, the big drift rate flower of transition arc distinguishes that the base transition arc is R5-R15, firing chamber inner convex platform circular arc is SR5～SR15, piston-top surface is 5-15mm to firing chamber inner convex platform distance, and piston-top surface to the distance on base, firing chamber is 18-26mm.Firing chamber outer circumferential edge camber angle is 3-8 °, the piston center line is the 1-5 millimeter to the eccentric distance of firing chamber longitudinally, and that horizontal is 3-8mm, the tensile strength 〉=69MPa of normal temperature lower piston finished product, heat treatment hardness is 95-130HBS, and it is 10 HBS units that same piston difference of hardness is not more than.Remaining technical requirements of piston is pressed GB/T1148-93 " aluminium piston of IC engine technical specifications " and is carried out.
The utility model has the advantages that the Diesel Engine Complete Machine performance of installing and using with this piston is good, complete machine is light and handy, and total displacement reaches 6.495L greatly, nominal power: 105KW/2800rPM, Maximum Torque 402nim/1600～1900rPM, mean effective pressure 0.780MPa, external characteristics consumption minimization 228.0g/kwh, the machine fuel consume is than≤0.85%, exhaust smoke FSN≤4.5, delivery temperature≤650 ℃, noise limit value (dBA) 117, also has low cost of manufacture, advantage such as easy to install.Being suitable for six cylinder serial diesel engines uses.
It is such that structure of the present utility model constitutes.
Fig. 1 adds partial sectional view for overall structure master of the present utility model looks complete section.
Fig. 2 looks complete section for an overall structure of the present utility model left side and adds partial sectional view.
Fig. 3 is a whole knot plan view of the present utility model.
Fig. 1, Fig. 2, among Fig. 3, piston-top surface is to the distance (1) on base, firing chamber, piston-top surface at the bottom of the firing chamber in the middle of boss distance (2), the camber angle angle (3) of firing chamber cylindrical, transition arc at the bottom of the firing chamber (4), firing chamber transition arc (5), firing chamber (6), transition arc at the bottom of the firing chamber (7), the firing chamber flower is distinguished part section (8), piston-top surface (9), piston body (10), angle (11), angle (12), throw of eccentric (13), the angle of cut transition arc (18) of the external arc of distinguishing and distinguishing that flower is distinguished, angle (19), flower is distinguished circular arc (20), piston ring groove (21).
Most preferred embodiment of the present utility model is such, with reference to Fig. 1, Fig. 2, shown in Figure 3, piston-top surface to base, firing chamber distance (1) is 21mm, piston-top surface to firing chamber inner convex platform distance (2) is 10mm, firing chamber cylindrical camber angle angle (3) is 5 °, angle of cut base transition arc (4) was R5 between base, firing chamber flower was distinguished and distinguished, firing chamber inner convex platform circular arc (5) is SR10, firing chamber (6) is that flower is distinguished shape or toroidal combustion chamber, transition arc at the bottom of the firing chamber (7) is R10, part section (8), piston-top surface (9), piston body (10), center, firing chamber to big skew flower distinguishes and distinguishes that the angle (11) of the angle of cut is 54.5 °, center, firing chamber to little skew flower distinguishes and distinguishes that the angle (12) of the angle of cut is 37 °, piston center line to the vertical throw of eccentric of firing chamber center line (13) is 3mm, circle footpath (14) was Ф 54.5mm in the firing chamber flower was distinguished, angle (15) between firing chamber center line to big skew flower is distinguished and distinguished is 56.5 °, the firing chamber flower distinguishes that outer circle diameter (16) is Ф 64.5mm, piston center line to the throw of eccentric (17) of firing chamber center line is 5mm, flower distinguishes and distinguishes that the transition arc (18) of angle of cut angle is R2, the angle (19) of the angle of cut that firing chamber center line to little skew flower is distinguished and distinguished is 32 °, and flower is distinguished outer and distinguished that circular arc (20) is R18.The firing chamber sinks to flower to distinguish also toroidal combustion chamber of shape at the medium position of piston-top surface.The manufacturing technology of other parts piston routinely of piston body requires as follows:
1, material is ZL109, Chemical composition reference following (%):
Si:11-13; Cu; 0.5-1.5, Mg:0.8-1.3; Ni:0.8-1.5, Fe :≤0.7, all the other are Al.
2, the tensile strength of finished product is not less than 196MPa under the normal temperature, and coupon tensile strength is not less than 235MPa, and finished product tensile strength is not less than 69MPa in the time of 300 ℃.
3, piston is through heat treatment, and hardness is 95～130HBS, and same piston difference of hardness is not more than 10 HBS units.
4, do not annotate the curving of castings and be not more than R5, the molding gradient is not more than 3 °.
5, finished surface should be not bright and clean for piston, and crackle must not be arranged, and allows that projection is not more than 1 branch mould or mould be full of cracks and the netted vestige that produces.
6, tolerance grade not noted is all by 14 grades of manufacturings of stipulating among the GB/T1804-92.
7, bottom, firing chamber R
10With R
5Rounding off.
8, combustion chamber volume is 54 ± 0.5mL.
9, the piston weight franchise 8g of same diesel engine.
10, all the other press GB/T1148-93 " aluminium piston of IC engine technical specifications " execution.
Claims (2)
1, a kind of YC6105QC diesel engine piston firing chamber, comprise by piston body, piston ring groove, piston-top surface, the firing chamber, it is characterized in that firing chamber (6) is that flower is distinguished the shape firing chamber, the volume of firing chamber (6) is 50～60mm, firing chamber outer circle diameter (16) is Ф 50～80mm, interior circle footpath (14) is Ф 40～70mm, the base transition arc (4) of firing chamber (6) is R2～R8, transition arc (7) is R5～R15, firing chamber inner convex platform (5) is SR5～SR15, piston-top surface to the distance (2) of firing chamber inner convex platform is 5～15mm, piston-top surface to the distance (1) on base, firing chamber is 16～26mm, the throw of eccentric at piston center to center, firing chamber vertically is 1～5mm, and that horizontal is 3～8mm.
2, according to the described YC6105QC diesel engine piston of claim 1 firing chamber, it is characterized in that firing chamber outer circle diameter (16) is Ф 64.5mm, interior circle footpath (14) is Ф 54.5mm, the base transition arc (4) of firing chamber (6) is R5, transition arc (7) is R10, firing chamber inner convex platform (5) is SR10, and piston-top surface is 10mm to the distance (2) of firing chamber inner convex platform, and piston-top surface to the distance (1) on base, firing chamber is 21mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99238185U CN2390010Y (en) | 1999-07-23 | 1999-07-23 | Piston combustion chamber of YC 6105QC diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99238185U CN2390010Y (en) | 1999-07-23 | 1999-07-23 | Piston combustion chamber of YC 6105QC diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2390010Y true CN2390010Y (en) | 2000-08-02 |
Family
ID=34025675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99238185U Expired - Lifetime CN2390010Y (en) | 1999-07-23 | 1999-07-23 | Piston combustion chamber of YC 6105QC diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2390010Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052142A (en) * | 2011-01-28 | 2011-05-11 | 东风朝阳柴油机有限责任公司 | Diesel engine combustion chamber off-centered with piston body |
| CN103437900A (en) * | 2013-08-02 | 2013-12-11 | 大连滨城活塞制造有限公司 | Piston top combustion chamber |
-
1999
- 1999-07-23 CN CN99238185U patent/CN2390010Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052142A (en) * | 2011-01-28 | 2011-05-11 | 东风朝阳柴油机有限责任公司 | Diesel engine combustion chamber off-centered with piston body |
| CN103437900A (en) * | 2013-08-02 | 2013-12-11 | 大连滨城活塞制造有限公司 | Piston top combustion chamber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |