CN209621488U - A kind of high-power V-shaped diesel-engine body with explosion-proof valve - Google Patents

A kind of high-power V-shaped diesel-engine body with explosion-proof valve Download PDF

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Publication number
CN209621488U
CN209621488U CN201821939022.4U CN201821939022U CN209621488U CN 209621488 U CN209621488 U CN 209621488U CN 201821939022 U CN201821939022 U CN 201821939022U CN 209621488 U CN209621488 U CN 209621488U
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China
Prior art keywords
hole
air inlet
power
explosion
bearing shell
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CN201821939022.4U
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Chinese (zh)
Inventor
李帆
刘博�
周柯
殷鹏飞
张艳军
董晶瑾
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Hudong Heavy Machinery Co Ltd
China Shipbuilding Power Engineering Institute Co Ltd
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Hudong Heavy Machinery Co Ltd
China Shipbuilding Power Engineering Institute Co Ltd
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Abstract

The utility model discloses a kind of high-power V-shaped diesel-engine body with explosion-proof valve, machine main body including integrally casting, cylinder block and air inlet cavity, the cylinder block setting is in the machine main body top and V-shaped two rows of arrangements, the angle of the cylinder block of two rows of V-shaped arrangements is 35 °~75 °, 6 sleeve ports are uniformly arranged in every exhaust casing body, the top of the machine main body is arranged in the air inlet cavity, 6 cylinder cap air inlets have been uniformly arranged on the air inlet cavity, 5 explosion-proof valve openings are additionally provided on the air inlet cavity, the explosion-proof valve opening and cylinder cap air inlet interval are arranged.Air inlet cavity and machine main body integrally casting shaping, and it is provided with the explosion-proof valve opening of control admission pressure, V-type tank design makes compact integral structure, saves space, is adapted to the diesel engine of high-power high-intensitive demand.

Description

A kind of high-power V-shaped diesel-engine body with explosion-proof valve
Technical field
The utility model relates to diesel engine arts more particularly to a kind of high-power V-shaped diesel-engine bodies with explosion-proof valve.
Background technique
Diesel-engine body is the main body framework of diesel engine, for installing each main parts size of diesel engine and attachment, and is provided Channel needed for corresponding space and cooling water and lubricating oil.The specifically functional of body keeps its structure suitable with stress condition Complexity, body directly affect the outer dimension and weight indicator of complete machine as the maximum part of size and weight in diesel engine.
Currently, power bracket still belongs to empty in the medium seed diesel engine of 8500~17000kW in the existing diesel type spectrum of market It is white, since high-powered medium-speed diesel engines have the characteristics that high power, large torque, a diesel-engine body is needed, is being reduced as far as possible While structure size and weight, enough strength and stiffness are kept, and can guarantee that the pressure of air inlet is stablized, guarantee each portion of body / and it is each cooperation components between work coordination, reduce vibration, inhibit noise.
The information for being disclosed in the background technology part, which only refers to, is increasing the reason to the general background technology of the utility model Solution, and be not construed as recognizing or implying in any form that information composition is already known to those of ordinary skill in the art The prior art.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of with the high-power of explosion-proof valve V-type diesel body.
The purpose of this utility model is implemented with the following technical solutions:
A kind of high-power V-shaped diesel-engine body with explosion-proof valve, machine main body, cylinder block including integrally casting and into Air cavity.The cylinder block setting is in the machine main body top and V-shaped two rows of arrangements, the gas of two rows of V-shaped arrangements The angle of cylinder body is 35 °~75 °, and 6 sleeve ports are uniformly arranged in every exhaust casing body, and the air inlet cavity is arranged in the body The top of main body has been uniformly arranged 6 cylinder cap air inlets on the air inlet cavity, has been additionally provided with 5 on the air inlet cavity Explosion-proof valve opening, the explosion-proof valve opening and cylinder cap air inlet interval are arranged.
Preferably, the machine main body wall thickness is 31.5mm~100mm.
Preferably, the cylinder centre line spacing between the sleeve port in cylinder block described in every row be 840mm, the cylinder cap air inlet hole heart away from For 840mm, the explosion-proof valve opening hole heart is away from for 840mm.
Preferably, correspond to each cylinder sleeve in two rows of cylinder block and the intake valve for being installed into valve guide is set The aperture of hole and air release valve hole for installing exhaust valve guide, the inlet valve hole and air release valve hole is all Φ 110mm, described Inlet valve hole and the pitch of holes of air release valve hole are 187mm.
Preferably, grease way in main oil pipe and machine, the main oil pipe and body are set inside the machine main body The pre-buried casting of main body is integrally formed.
Preferably, the lower part of the air inlet cavity is arranged in the main oil pipe, sets immediately below the main oil pipe Set crankshaft hole, below the main oil pipe, the two sides of the top of the crankshaft hole be respectively provided with a camshaft hole, the main cunning Oil pipe, crankshaft hole and camshaft hole are in fluid communication by grease way in the machine.
Preferably, setting camshaft bearing and cam bearing shell in the camshaft hole, the cam bearing shell are arranged described On camshaft bearing, the cam bearing shell and the camshaft hole are interference fitted.
Preferably, setting main shaft bearing and main bearing shell in the crankshaft hole, the main bearing shell are arranged in the main shaft bearing On, the main bearing shell is spliced by top bearing shell and lower bearing, and is connected in the machine main body by bolt of main bearing cap.
Preferably, the cam bearing shell is ternary Pot metal substrate bearing shell, and main bearing shell is ternary Pot metal main bearing shell.
Compared with prior art, the utility model has the beneficial effects that: air inlet cavity and machine main body integrally casting shaping, In order to control the intracorporal pressure setting explosion-proof valve pore structure of stable inlet chamber, so that gas supply is more stable.V-type tank design makes Compact integral structure saves space, is adapted to the diesel engine of the small body demand of high-power high intensity.
Detailed description of the invention
Fig. 1 is a kind of left view of high-power V-shaped diesel-engine body with explosion-proof valve;
Fig. 2 is a kind of shaft side figure of high-power V-shaped diesel-engine body with explosion-proof valve;
Fig. 3 is a kind of top view of high-power V-shaped diesel-engine body with explosion-proof valve;
Fig. 4 is a kind of right view of high-power V-shaped diesel-engine body with explosion-proof valve.
In figure: 1, machine main body;2, cylinder block;3, air inlet cavity;4, cam bearing shell;5, main bearing shell;6, main beating cap;7, Main oil pipe;8, grease way in machine;9, cylinder cap air inlet;10, explosion-proof valve opening.
Specific embodiment
Below with reference to the attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work The every other embodiment obtained, fall within the protection scope of the utility model.
It should be noted that it can be directly on another component when component is referred to as " being fixed on " another component Or there may also be components placed in the middle.When a component is considered as " connection " another component, it, which can be, is directly connected to To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being set to " another component, it It can be and be set up directly on another component or may be simultaneously present component placed in the middle.Term as used herein is " vertical ", " horizontal ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes Any and all combinations of one or more related listed items.
Such as Fig. 1-Fig. 4, a kind of high-power V-shaped diesel-engine body with explosion-proof valve, using 12 cylinder V-type cylinder bodies.Oily diesel oil Machine body includes machine main body 1, cylinder block 2 and air inlet cavity 3, and machine main body 1, cylinder block 2 and air inlet cavity 3 are cast into one Body.
1 material of machine main body is QT400, and inside is uniformly arranged 7 grades of bearings, and cam bearing shell 4, camshaft is arranged in bearing top Watts 4 be ternary Pot metal substrate bearing shell, is interference fitted with the camshaft hole in machine main body.It is packed into using cold set technique.
The bearing of crankshaft, i.e. main shaft is arranged ternary Pot metal main bearing shell 5, main bearing shell 5 by upper watt and lower watt be spliced. The lower part of bearing also sets up the main beating cap 6 that machine main body 1 is bolted, and the material of main beating cap 6 is QT500, passes through Two 8.8 grades of M90 transverse direction studs and two 8.8 grades of M90 vertical duplex-head stud are fixed in machine main body, laterally double The pre-fastening moment of header stud and vertical duplex-head stud is 100Nm.
Cylinder block 2 is provided with two rows, and two rows of V-shaped tops for being arranged in machine main body 1 of cylinder block 2, V-type angle is 35 °~75 °, preferably 50 ° are provided with 6 sleeve ports in every exhaust casing body, i.e., are provided with 12 sleeve ports in cylinder block 2 altogether, Sleeve port cylinder centre line spacing is 840mm.
As shown in figure 3, air inlet cavity 3 is arranged at the top of machine main body 1, in air inlet to reduce diesel engine external feed stream pipe It is provided with 6 cylinder cap air inlets 9 on cavity 3, the cylinder cap air inlet hole heart is away from for 840mm.
5 explosion-proof valve openings 10 are additionally provided on air inlet cavity for installing explosion-proof valve, the hole heart of explosion-proof valve opening 10 away from for 840mm。
As shown in figure 3, intake valve is arranged at each sleeve port in order to meet the needs of electric spray type diesel engine is without injection pump Hole, air release valve hole, bore dia are all Φ 110mm, and inlet valve hole and air release valve hole spacing are 187mm, to meet installation inlet and outlet The needs of valve guide.
As shown in figure 4, being arranged in main oil pipe 7 and machine inside machine main body 1 to reduce oil inlet pipe outside diesel engine Grease way 8, integrally with the pre-buried casting of body, grease way 8 is machining in machine for main oil pipe 7, to meet diesel engines profit Sliding cooling needs.
In order to promote the intensity of machine main body 1, the wall thickness of machine main body 1 is designed as 31.5mm~100mm.
The engine is suitable for big-and-middle diesel engine, is particularly suitable for marine diesel.
It will be apparent to those skilled in the art that can make various other according to the above description of the technical scheme and ideas Corresponding change and deformation, and all these changes and deformation all should belong to the protection of the utility model claims Within the scope of.

Claims (9)

1. a kind of high-power V-shaped diesel-engine body with explosion-proof valve, machine main body, cylinder block and air inlet including integrally casting Cavity, it is characterised in that: the cylinder block setting is in the machine main body top and V-shaped two rows of arrangements, two rows of V-shaped arrangements The angle of the cylinder block be 35 °~75 °, 6 sleeve ports are uniformly arranged in every exhaust casing body, the air inlet cavity setting exists The top of the machine main body has been uniformly arranged 6 cylinder cap air inlets on the air inlet cavity, has also set on the air inlet cavity 5 explosion-proof valve openings are equipped with, the explosion-proof valve opening and cylinder cap air inlet interval are arranged.
2. high-power V-shaped diesel-engine body according to claim 1, it is characterised in that: the machine main body wall thickness is 31.5mm~100mm.
3. high-power V-shaped diesel-engine body according to claim 1, it is characterised in that: the cylinder in cylinder block described in every row Cylinder centre line spacing between sets of holes is 840mm, and the cylinder cap air inlet hole heart is away from for 840mm, and the explosion-proof valve opening hole heart is away from for 840mm.
4. high-power V-shaped diesel-engine body according to claim 3, it is characterised in that: right in two rows of cylinder block The air release valve hole for being installed into the inlet valve hole of valve guide and for installing exhaust valve guide, institute should be set in each cylinder sleeve The aperture for stating inlet valve hole and air release valve hole is all Φ 110mm, and the pitch of holes of the inlet valve hole and air release valve hole is 187mm.
5. high-power V-shaped diesel-engine body according to claim 1, it is characterised in that: set inside the machine main body Grease way in main oil pipe and machine is set, the main oil pipe and the pre-buried casting of machine main body are integrally formed.
6. high-power V-shaped diesel-engine body according to claim 5, it is characterised in that: the main oil pipe is arranged in institute Crankshaft hole is arranged in the underface of the main oil pipe, below the main oil pipe, the crankshaft in the lower part for stating air inlet cavity The two sides of the top in hole are respectively provided with a camshaft hole, and the main oil pipe, crankshaft hole and camshaft hole pass through sliding in the machine Oil duct is in fluid communication.
7. high-power V-shaped diesel-engine body according to claim 6, it is characterised in that: setting is convex in the camshaft hole Wheel bearing and cam bearing shell, the cam bearing shell are arranged on the camshaft bearing, the cam bearing shell and the cam Axis hole interference fit.
8. high-power V-shaped diesel-engine body according to claim 7, it is characterised in that: main shaft is arranged in the crankshaft hole Bearing and main bearing shell, the main bearing shell are arranged on the main shaft bearing, the main bearing shell by top bearing shell and lower bearing splicing and At, and be connected in the machine main body by bolt of main bearing cap.
9. high-power V-shaped diesel-engine body according to claim 8, it is characterised in that: the cam bearing shell is Ternary copper Metal substrate bearing shell, main bearing shell are ternary Pot metal main bearing shell.
CN201821939022.4U 2018-11-23 2018-11-23 A kind of high-power V-shaped diesel-engine body with explosion-proof valve Active CN209621488U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821939022.4U CN209621488U (en) 2018-11-23 2018-11-23 A kind of high-power V-shaped diesel-engine body with explosion-proof valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821939022.4U CN209621488U (en) 2018-11-23 2018-11-23 A kind of high-power V-shaped diesel-engine body with explosion-proof valve

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109404159A (en) * 2018-11-23 2019-03-01 沪东重机有限公司 A kind of high-power V-shaped diesel-engine body with explosion-proof valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109404159A (en) * 2018-11-23 2019-03-01 沪东重机有限公司 A kind of high-power V-shaped diesel-engine body with explosion-proof valve

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