CN109139284A - The cylinder block of V-type engine - Google Patents
The cylinder block of V-type engine Download PDFInfo
- Publication number
- CN109139284A CN109139284A CN201811333468.7A CN201811333468A CN109139284A CN 109139284 A CN109139284 A CN 109139284A CN 201811333468 A CN201811333468 A CN 201811333468A CN 109139284 A CN109139284 A CN 109139284A
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- China
- Prior art keywords
- cylinder
- cylinder block
- type
- crankcase
- engine
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/18—Other cylinders
- F02F1/20—Other cylinders characterised by constructional features providing for lubrication
-
- 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
- F02B75/00—Other engines
- F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
- F02B75/18—Multi-cylinder engines
- F02B75/22—Multi-cylinder engines with cylinders in V, fan, or star arrangement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/02—Cylinders; Cylinder heads having cooling means
- F02F1/10—Cylinders; Cylinder heads having cooling means for liquid cooling
- F02F1/14—Cylinders with means for directing, guiding or distributing liquid stream
Abstract
The invention discloses a kind of cylinder block of V-type engine, it includes the crankcase in the V-type portion and V-type subordinate portion that are constituted by two groups with the cylinder of v-angle arrangement, the bottom of crankcase is provided with stabilizer blade, every group of cylinder is located at two sides in V-type portion, the top surface of two sides is the mounting surface with cylinder head, there are two camshaft holes for the outside in V-type portion or inside setting, V-type portion and the junction of crankcase are provided with main oil leab, main oil leab is stainless steel tube, and stainless steel tube is together with the blank casting of cylinder block.The cylinder block of V-type engine of the invention can be very good to solve the cleanliness issues of main oil leab, and can reduce processing cost.
Description
Technical field
The invention relates to engine arts, particularly with regard to a kind of cylinder block suitable for multi-cylinder V-type engine.
Background technique
With the variation of the market demand and being constantly progressive for engine technology, peculiar to vessel and diesel engine for power generation is just towards large size
The directions such as change, high speed and lightweight are developed.The height and length dimension of V-type engine are small, convenient for being mentioned by expanding cylinder diameter
High discharge capacity and power, suitable for the engine of higher number of cylinders, such as V12, V16 and V20 etc..
Currently, traditional V-type engine cylinder divides the cylinder into two groups, adjacent cylinder is arranged in one with certain angle
It rises, two groups of cylinders is made to be formed with the plane of an angle, cylinder is in the shape of the letter V distribution from the side.Cylinder in V-arrangement body is generally by top
V-type portion and lower part crankcase composition, there are two camshaft hole, V-type portion and crankcase connect for the outside in V-type portion or inside setting
The place of connecing is provided with main oil leab.
There are following technical problems for the cylinder block of the V-type engine of the prior art:
The lubricating oil of engine is generally distributed to the kinematic pairs such as crankshaft, camshaft and valve actuating mechanism via main oil leab,
Therefore for the more demanding of cleannes.For small-sized cylinder in V-arrangement body, the roughness of main oil leab can be simply by
Mach mode guarantees；For large-scale cylinder in V-arrangement body, the diameter and length dimension of main oil leab are larger, without suitable
Cutter and equipment processed, generally use the mode that black skin is scrubbed to solve, but can only guarantee lower cleannes, because
There are biggish hidden danger for the lubrication of this engine movements pair.
The under-chassis position of traditional cylinder block is generally configured to L-shaped, while needing to increase external reinforcing rib to guarantee foot
Enough support strengths, such a structure increases the width of cylinder block bottom, while increasing weight, and structure is not compact enough.
General V-type engine, the position among v-angle do not make full use of, and lead to the whole height of engine
Or width increases, structure is not compact enough；In addition, not connecting between the two sides of v-angle, intensity is poor.
Those skilled in the art actively puts into, to seek the technical solution to solve the above problems.
The information disclosed in the background technology section is intended only to increase the understanding to general background of the invention, without answering
When being considered as recognizing or imply that the information constitutes the prior art already known to those of ordinary skill in the art in any form.
Summary of the invention
The purpose of the present invention is to provide a kind of cylinder block of V-type engine, utilize the hair of stainless steel tube and cylinder block
Base casts form main oil leab together, not only ensure that the cleannes of main oil gallery, but also has saved processing cost.
To achieve the above object, the present invention provides a kind of cylinder block of V-type engine comprising is pressed from both sides by two groups with V-type
The crankcase in V-type portion and V-type subordinate portion that the cylinder of angle arrangement is constituted, the bottom of crankcase is provided with stabilizer blade, every group of cylinder position
In two sides in V-type portion, the top surface of two sides is the mounting surface with cylinder head, and the outside or inside in V-type portion are provided with two
The junction of a camshaft hole, V-type portion and crankcase is provided with main oil leab, and main oil leab is stainless steel tube, stainless steel
Pipe is together with the blank casting of cylinder block, to solve the cleaning problems of main oil leab.
In a preferred embodiment, the cylinder diameter ratio of the diameter of main oil leab and V-type engine is 0.2-0.5.
In a preferred embodiment, the cylinder block of V-type engine further includes water at low temperature inlet opening and apopore,
The middle position of the v-angle in V-type portion is set, and water at low temperature inlet opening and apopore are used to arrange the cooling water of engine
Pipe.
In a preferred embodiment, the cylinder block of V-type engine further include: left high-temperature water inlet opening is arranged in low temperature
The left side of water inlet opening；The right side of water at low temperature inlet opening is arranged in right high-temperature water inlet opening；Cooling water lantern ring is located at each cylinder
Cylinder-bore around and be connected to each other；And multiple upper water holes are arranged in the top surface of two sides and are located at each gas
The periphery of cylinder holes；Wherein the high-temperature cooling water of engine enters cooling by left high-temperature water inlet opening and right high-temperature water inlet opening respectively
Water jacket, and cylinder head and cooling cylinder head are entered by upper water hole.
In a preferred embodiment, the cylinder block of V-type engine further include: multiple top stiffeners are arranged in V-type
The top of the v-angle in portion；And the lower part of the v-angle in V-type portion is arranged in multiple bottom reinforcements；Wherein water at low temperature is intake
Hole and apopore are arranged between multiple top stiffeners and multiple bottom reinforcements.
In a preferred embodiment, the stabilizer blade of crankcase uses interior structural I-beam.
In a preferred embodiment, the left and right lateral surface of crankcase is big planar structure.
In a preferred embodiment, the cylinder block of V-type engine further include: the first oil duct is arranged in main oil leab
Between camshaft hole, lubricating oil provides lubrication through the first oil duct from main oil leab for camshaft hole；The setting of second oil duct exists
Between main oil leab and the top surface of two sides, it is cylinder head that lubricating oil, which enters cylinder head through the second oil duct from main oil leab,
Interior valve actuating mechanism provides lubrication；And third oil duct is arranged between main oil leab and main bearing seat, lubricating oil is from main profit
Grease way provides lubrication through third oil duct for main bearing seat.
In a preferred embodiment, the cylinder block of V-type engine further include: crankcase watch window is arranged in crankshaft
The side of case, crankcase watch window is to observe the working condition inside crankcase in the case where not disassembling engine；It is more
The top surface of two sides is arranged in a tappet hole；The side in V-type portion is arranged in multiple tappet rooms watch window；Multiple horizontal drawing bolts
The two sides of crankcase are arranged in hole；And the two sides of main bearing seat are arranged in multiple Main bearing bolt holes.
In a preferred embodiment, the cylinder block of V-type engine further include be arranged in two sides top surface it is more
A stud bolt hole, the connection to cylinder block and head.
Compared with prior art, the cylinder block of V-type engine of the invention has the advantages that main oil leab is logical
It crosses and is bumped into steel pipe, cast together with cylinder block blank, not only ensure that the cleannes of main oil gallery, but also saved processing cost.
In the v-angle intermediate arrangement cooling water pipe of cylinder in V-arrangement body, the space of v-angle is effectively utilized, compact-sized, layout
Rationally, appearance is preferable；V-angle intermediate arrangement has reinforcing rib, greatly improves the intensity and NVH performance of cylinder block.Cylinder block
Location footprint be designed to interior I-shaped structure, not only increase the overall stiffness of cylinder block, also save material, reduce crankshaft
The width of case, while realizing high-intensitive and lightweight.The lubricating oil passage structure connection and reasonable arrangement of cylinder block, processing technology is simple,
And good lubrication can be provided to each kinematic pair.
Detailed description of the invention
Fig. 1 is the schematic perspective view according to the cylinder block of the V-type engine of one embodiment of the present invention；
Fig. 2 is the schematic view of the front view according to the cylinder block of the V-type engine of one embodiment of the present invention；
Fig. 3 is longitudinal sectional structure according to the cylinder block main view direction of the V-type engine of one embodiment of the present invention
Schematic diagram；
Fig. 4 is the overlooking structure diagram according to the cylinder block of the V-type engine of one embodiment of the present invention.
Fig. 5 is longitudinal section view (oil duct) structure according to the cylinder block of the cylinder V-type engine of one embodiment of the present invention
Schematic diagram.
Main appended drawing reference explanation:
1-V type portion, 2- crankcase, 3- crankcase watch window, 4- tappet room watch window, the first oil duct of 5-, 6- cam
Axis hole, the main oil leab of 7-, 8- cylinder-bore, 9- tappet hole, the upper water hole 10-, 11- stainless steel tube, 12- water at low temperature inlet opening, 13-
Left high-temperature water inlet opening, the right high-temperature water inlet opening 14-, 15- stabilizer blade, 16- stud bolt hole, 17- top stiffener, the bottom 18- are reinforced
Muscle, 19- cooling jacket, 20- lateral surface, 21- main bearing seat, the second oil duct of 22-, the horizontal drawing bolt hole of 23-, 24- Main bearing bolt
Hole, 25- third oil duct.
Specific embodiment
With reference to the accompanying drawing, specific embodiments of the present invention will be described in detail, it is to be understood that guarantor of the invention
Shield range is not limited by the specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " includes " or its change
Changing such as "comprising" or " including " etc. will be understood to comprise stated element or component, and not exclude other members
Part or other component parts.
As shown in Figures 1 to 5, a kind of V-type engine cylinder block according to the preferred embodiment of the present invention comprising: position
V-type portion 1 in top and the crankcase 2 positioned at lower part.Wherein, the middle position in V-type portion 1 is provided with stainless steel tube 11, stainless
The gentle cylinder blank of steel pipe 11 is cast together forms main oil leab 7, not only ensure that the cleannes of main oil leab 7, but also
Processing cost is saved.Opened up on the outside of 2 junction of V-type portion 1 and crankcase there are two camshaft hole 6, main oil leab 7 with
The first oil duct 5 is offered between left and right side camshaft hole 6, while the second oil duct 22 of V-type top surface and the first oil duct 5 are mutually
Connection.Wherein, cylinder in V-arrangement body lubrication system works principle are as follows: machine oil is pumped from lubricating oil pump into oil cooler and oil strainer
Clear device, it is cooling and filter it is laggard become owner of oil leab 7, through 5 camshaft lubrication of the first oil duct, machine oil is through the first oil duct at the same time
5 and second oil duct 22 enter cylinder head lubricating valve actuating mechanism；In addition to this, it is also opened between main oil leab 7 and main bearing seat 21
Equipped with third oil duct 25, machine oil gives crankshaft lubrication through third oil duct 25.The diameter of general main oil leab 7 and V-type engine
Cylinder diameter ratio is 0.2-0.5.
The side of crankcase 2 offers crankcase watch window 3, can be used for dismounting piston rod part, and do not tearing open
The internal operating condition of crankcase is observed under the premise of machine.The top surface and side in V-type portion 1 offer multiple 9 Hes of tappet hole respectively
Tappet room watch window 4, tappet hole 9 are installed for tappet, and one end of tappet and cam axis connection, the other end are connect with push rod,
Tappet room watch window 4 can be used for assembling and disassembling push rod and tappet.As shown in figure 5, the two sides of crankcase 2 are provided with horizontal drawing bolt hole 23
And the two sides of main bearing seat 21 are provided with Main bearing bolt hole 24, each grade of mainshaft cap of the engine of the present embodiment is by two cross
Bolt and four Main bearing bolts is drawn to tense, this structure not only can be improved the rigidity of cylinder block, can be effectively reduced simultaneously
The vibration noise of engine.(the horizontal quantity for drawing bolt and Main bearing bolt is the example of the present embodiment, the present invention not with
This is limited) cylinder block by two sides stabilizer blade 15 provide support, stabilizer blade 15 use interior structural I-beam, not only increase cylinder block
Overall stiffness also saves material, reduces the width of crankcase 2, while realizing high-intensitive and lightweight；In addition, using
After above structure, the left and right lateral surface 20 of cylinder block is complete big plane, can reduce manufacturing procedure and is processed into
This.
There are two water at low temperature inlet openings 12 for the v-angle intermediate distribution in V-type portion 1, in actual work, 1 front and back end of V-type portion
Two water pipes are crossed in inlet opening, and engine cooling water is entered by left side inlet opening, enter in engine rear end into left side water pipe
Then cooler is flowed out through right side water pipe from right side inlet opening, which is effectively utilized the centre of V-type engine v-angle,
It is more succinct, beautiful that appearance is improved simultaneously.The structure on two sides in V-type portion 1 is connected by bottom reinforcement 18 and top stiffener 17,
The vibration of body two sides when can reduce engine operation, to increase cylinder block strength；In addition, bottom reinforcement 18 can also be
Above-mentioned cooling water pipe provides support.Multiple cylinder-bores 8, upper water hole 10 and stud bolt hole 16, gas is distributed in 1 two sides top surface of V-type portion
Cylinder holes 8 is for installing cylinder jacket, and for stud bolt hole 16 for connecting cylinder block and head, 1 top of V-type portion is additionally provided with left high-temperature water
Inlet opening 13 and right high-temperature water inlet opening 14, wherein engine high-temperature cooling water is respectively by left high-temperature water inlet opening 13 and right height
Lukewarm water hole 14 enters cooling jacket 19, and 19 ring of cooling jacket is located at around each cylinder-bore 8, and adjacent cylinder-bore 8
Cooling jacket 19 between be connected with each other logical, and enter cylinder head and cooling cylinder head by upper water hole 10.
In conclusion the cylinder block of V-type engine of the invention, has the advantage that main lubrication compared with prior art
Oil duct is cast together with cylinder block blank by being bumped into steel pipe, not only ensure that the cleannes of main oil gallery, but also has saved processing
Cost.In the v-angle intermediate arrangement cooling water pipe of cylinder in V-arrangement body, the space of v-angle is effectively utilized, it is compact-sized,
Rationally distributed, appearance is preferable；V-angle intermediate arrangement has reinforcing rib, greatly improves the intensity and NVH performance of cylinder block.Gas
The location footprint of cylinder body is designed to interior I-shaped structure, not only increases the overall stiffness of cylinder block, also saves material, reduces
The width of crankcase, while realizing high-intensitive and lightweight.The lubricating oil passage structure connection and reasonable arrangement of cylinder block, processing technology letter
It is single, and good lubrication can be provided to each kinematic pair.
The aforementioned description to specific exemplary embodiment of the invention is in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed
And variation.The purpose of selecting and describing the exemplary embodiment is that explaining specific principle of the invention and its actually answering
With so that those skilled in the art can be realized and utilize a variety of different exemplary implementation schemes of the invention and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (10)
1. a kind of cylinder block of V-type engine comprising the V-type portion constituted by two groups with the cylinder of v-angle arrangement and the V
The crankcase in type subordinate portion, the bottom of the crankcase are provided with stabilizer blade, and cylinder described in every group is located at two sides in the V-type portion
Portion, the top surface of described two sides are the mounting surface with cylinder head, and there are two camshafts for the outside in the V-type portion or inside setting
The junction of hole, the V-type portion and the crankcase is provided with main oil leab, which is characterized in that the main oil leab is
Stainless steel tube, the stainless steel tube is together with the blank casting of the cylinder block.
2. the cylinder block of V-type engine as described in claim 1, which is characterized in that the diameter and V-type of the main oil leab
The cylinder diameter ratio of engine is 0.2-0.5.
3. the cylinder block of V-type engine as described in claim 1, which is characterized in that further include:
The middle position of the v-angle in the V-type portion, the low temperature is arranged in water at low temperature inlet opening and apopore
Water inlet opening and apopore are used to arrange the cooling water pipe of engine.
4. the cylinder block of V-type engine as claimed in claim 3, which is characterized in that further include:
The left side of the water at low temperature inlet opening is arranged in left high-temperature water inlet opening；
The right side of the water at low temperature inlet opening is arranged in right high-temperature water inlet opening；
Cooling jacket, ring are located at around the cylinder-bore of each cylinder and are connected to each other；And
Multiple upper water holes are arranged in the top surface of described two sides and are located at the periphery of each cylinder-bore；
Wherein, the high-temperature cooling water of engine enters institute by the left high-temperature water inlet opening and the right high-temperature water inlet opening respectively
Cooling jacket is stated, and enters the cylinder head and the cooling cylinder head by the upper water hole.
5. the cylinder block of V-type engine as claimed in claim 3, which is characterized in that further include:
The top of the v-angle in the V-type portion is arranged in multiple top stiffeners；And
The lower part of the v-angle in the V-type portion is arranged in multiple bottom reinforcements；
Wherein, the water at low temperature inlet opening and apopore setting are reinforced in the multiple top stiffener and the multiple bottom
Between muscle.
6. the cylinder block of V-type engine as described in claim 1, which is characterized in that the stabilizer blade of the crankcase uses
Interior structural I-beam.
7. the cylinder block of V-type engine as described in claim 1, which is characterized in that the left and right lateral surface of the crankcase is
Big planar structure.
8. the cylinder block of V-type engine as described in claim 1, which is characterized in that further include:
First oil duct, is arranged between the main oil leab and the camshaft hole, and lubricating oil is from the main oil leab
Lubrication is provided through first oil duct for the camshaft hole；
Second oil duct is arranged between the main oil leab and the top surface of described two sides, and lubricating oil is from the main profit
Grease way enters the cylinder head through second oil duct and provides lubrication for the valve actuating mechanism in the cylinder head；And
Third oil duct, is arranged between the main oil leab and the main bearing seat, and lubricating oil is from the main oil leab
Lubrication is provided through the third oil duct for the main bearing seat.
9. the cylinder block of V-type engine as described in claim 1, which is characterized in that further include:
The side of the crankcase is arranged in crankcase watch window, and the crankcase watch window is not to disassemble hair
The working condition inside the crankcase is observed in the case where motivation；
The top surface of described two sides is arranged in multiple tappet holes；
The side in the V-type portion is arranged in multiple tappet rooms watch window；
Multiple horizontal drawing bolts hole, are arranged in the two sides of the crankcase；And
Multiple Main bearing bolt holes, are arranged in the two sides of the main bearing seat.
10. the cylinder block of V-type engine as described in claim 1, which is characterized in that further include being arranged in described two sides
Top surface multiple stud bolt holes, the connection to the cylinder block and the cylinder head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811333468.7A CN109139284A (en) | 2018-11-09 | 2018-11-09 | The cylinder block of V-type engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811333468.7A CN109139284A (en) | 2018-11-09 | 2018-11-09 | The cylinder block of V-type engine |
Publications (1)
| Publication Number | Publication Date |
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| CN109139284A true CN109139284A (en) | 2019-01-04 |
Family
ID=64808089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811333468.7A Pending CN109139284A (en) | 2018-11-09 | 2018-11-09 | The cylinder block of V-type engine |
Country Status (1)
| Country | Link |
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| CN (1) | CN109139284A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630536A (en) * | 2019-02-15 | 2019-04-16 | 广西玉柴机器股份有限公司 | 20 cylinder diesel crankshaft of V-type |
| CN109899172A (en) * | 2019-04-10 | 2019-06-18 | 广西玉柴机器股份有限公司 | A kind of twin-six cylinder block |
| CN109899173A (en) * | 2019-04-10 | 2019-06-18 | 广西玉柴机器股份有限公司 | Improve the cylinder in V-arrangement body structure of body rigidity and NVH performance |
| CN110067667A (en) * | 2019-06-03 | 2019-07-30 | 广西玉柴机器股份有限公司 | Cylinder in V-arrangement body removes air hole structure |
| CN110714851A (en) * | 2019-12-02 | 2020-01-21 | 广西玉柴机器股份有限公司 | Cylinder block with composite frame window structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109630536A (en) * | 2019-02-15 | 2019-04-16 | 广西玉柴机器股份有限公司 | 20 cylinder diesel crankshaft of V-type |
| CN109899172A (en) * | 2019-04-10 | 2019-06-18 | 广西玉柴机器股份有限公司 | A kind of twin-six cylinder block |
| CN109899173A (en) * | 2019-04-10 | 2019-06-18 | 广西玉柴机器股份有限公司 | Improve the cylinder in V-arrangement body structure of body rigidity and NVH performance |
| CN109899173B (en) * | 2019-04-10 | 2022-06-07 | 广西玉柴机器股份有限公司 | V-shaped cylinder block structure capable of improving rigidity and NVH (noise, vibration and harshness) performance of engine body |
| CN110067667A (en) * | 2019-06-03 | 2019-07-30 | 广西玉柴机器股份有限公司 | Cylinder in V-arrangement body removes air hole structure |
| CN110714851A (en) * | 2019-12-02 | 2020-01-21 | 广西玉柴机器股份有限公司 | Cylinder block with composite frame window structure |
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Application publication date: 20190104 |