CN207813806U - The diesel fuel supply system of V-type multi-cylinder diesel engine - Google Patents
The diesel fuel supply system of V-type multi-cylinder diesel engine Download PDFInfo
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- CN207813806U CN207813806U CN201820213263.4U CN201820213263U CN207813806U CN 207813806 U CN207813806 U CN 207813806U CN 201820213263 U CN201820213263 U CN 201820213263U CN 207813806 U CN207813806 U CN 207813806U
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Abstract
The utility model discloses a kind of diesel fuel supply systems of V-type multi-cylinder diesel engine, including：Diesel fuel tanks；Multiple electronically controlled unit pumps；Oil feed line, oil feed line include left side oil pipe and right side oil pipe, and left side oil pipe and right side oil pipe are laid in the both sides of V-cylinder block close to cylinder cap position respectively；Diesel oil distributor, diesel oil distributor is fixed on the front end of V-cylinder block, diesel fuel tanks are connect by petroleum pipeline with diesel oil distributor, diesel oil distributor is connected to left side oil pipe with right side oil pipe, it is respectively connected to diesel fuel filter in left side oil pipe and right side oil pipe, left side oil pipe and right side oil pipe are taken over by vertical high-pressure oil pipe and high pressure respectively to be correspondingly connected with multiple electronically controlled unit pumps, the oil return of multiple electronically controlled unit pumps is flowed back by left side oil return pipe and right side oil return pipe in overflow valve respectively, and overflow valve is integrated in diesel oil distributor.The diesel fuel supply system can meet the diesel fuel supply requirement of Large-power High-Speed diesel engine.
Description
Technical field
The utility model is related to engine fuels to supply field, more particularly to a kind of diesel fuel supply of V-type multi-cylinder diesel engine
System.
Background technology
Large-power High-Speed diesel engine is generally used for generator station, petrochemical industry, high speed light crafts and naval vessels etc..Substantially
For four-stroke machine, since Large-power High-Speed diesel engine requires have very high single-machine capacity, intense loading degree requires more general
Diesel engine is high, and for external advanced high-speed diesel engine, mean effective pressure is up to 3MPa, and highest detonation pressure is up to
20MPa.The characteristics of high power, large torque are required due to Large-power High-Speed diesel engine, to several important critical systems
It is required that it is relatively high, such as cylinder assembly system, dynamical system, diesel systems, cooling system, lubricating system etc..
The information for being disclosed in the background technology part is merely intended to increase the understanding to the general background of the utility model, and
It is not construed as recognizing or implying in any form that information composition has been existing well known to persons skilled in the art
Technology.
Utility model content
The purpose of this utility model is to provide a kind of diesel fuel supply systems of V-type multi-cylinder diesel engine, can meet big work(
The diesel fuel supply requirement of rate high-speed diesel engine.
To achieve the above object, the utility model provides a kind of diesel fuel supply system of V-type multi-cylinder diesel engine, the V-type
Multi-cylinder diesel engine includes V-cylinder block and multiple monomer cylinder head mounted on the cylinder oral area position of V-cylinder block, V-cylinder block
On be disposed with two row cylinder-bores of V-shaped arrangement, be cast with respectively and cylinder holes number on the V-cylinder block on the outside of two row cylinder-bores
Corresponding sleeve, diesel fuel supply system include：Diesel fuel tanks；Multiple electronically controlled unit pumps, number and the number of cylinders pair of electronically controlled unit pump
It answers, multiple electronically controlled unit pumps are corresponding respectively to be mounted in sleeve, and multiple electronically controlled unit pumps are respectively intended to control injection bavin to every cylinder
Oil；Oil feed line, oil feed line include left side oil pipe and right side oil pipe, and left side oil pipe and right side oil pipe are laid in V-arrangement gas respectively
The both sides of cylinder body are close to cylinder cap position；Diesel oil distributor, diesel oil distributor are fixed on the front end of V-cylinder block, and diesel fuel tanks pass through
Petroleum pipeline is connect with diesel oil distributor, and diesel oil distributor is connected to left side oil pipe with right side oil pipe, left side oil pipe and right side oil pipe
In be respectively connected to diesel fuel filter, the diesel fuel filter of the left and right sides is separately mounted to the both sides of V-cylinder block, left side oil pipe and
Right side oil pipe is taken over by vertical high-pressure oil pipe and high pressure be correspondingly connected with multiple electronically controlled unit pumps respectively, multiple automatically controlled monomers
The oil return of pump is flowed back by left side oil return pipe and right side oil return pipe in overflow valve respectively, and overflow valve is integrated in diesel oil distributor
It is interior.
Compared with prior art, the utility model has the advantages that：By the way that left side oil pipe and right side oil pipe is arranged,
It is handled by diesel oil distributor centralized distribution fuel oil and oil return, it is tight to meet Large-power High-Speed diesel engine high power, large torque, complete machine
The arrangement requirement gathered, using one electronically controlled unit pump of a cylinder, pump end pressure is big, and control is simple, mixes the big oil spout of injection pressure
Device is atomized, and burning is abundant, and oil consumption is low.
Description of the drawings
Fig. 1 is the structural schematic diagram of the V-cylinder block of V-type multi-cylinder diesel engine according to the present utility model；
Fig. 2 is the structural representation that monomer cylinder head is arranged on V-type multi-cylinder diesel engine V-cylinder block according to the present utility model
Figure；
Fig. 3 is the pipeline schematic diagram of the diesel fuel supply system of V-type multi-cylinder diesel engine according to the present utility model.
Specific implementation mode
Below in conjunction with the accompanying drawings, specific embodiment of the present utility model is described in detail, it is to be understood that this practicality
Novel protection domain is not restricted by specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " comprising " or its change
It changes such as "comprising" or " including " etc. and will be understood to comprise stated element or component, and do not exclude other members
Part or other component parts.
According to a kind of diesel fuel supply system of V-type multi-cylinder diesel engine of specific embodiment of the present invention, in order to meet
The diesel fuel supply requirement of Large-power High-Speed diesel engine high power, large torque, this programme propose a kind of diesel oil of V-type multi-cylinder diesel engine
Feed system, using electronically controlled unit pump technology, injection pressure is big, accurately can dynamically adjust distributive value, ensures diesel engine in difference
It in the case of load, is atomized, burning is abundant, and transient state speed governing is good, and load capability is strong, and oil consumption is low, and minimum specific fuel consumption reaches
To 195g/kWh.Using one electronically controlled unit pump of a cylinder, pump end pressure is big, and control is simple, mixes the big oil spout of injection pressure
Device is atomized, and burning is abundant, and oil consumption is low, each monoblock pump band correcting code, it is ensured that consistency.The design covered per cylinder one, cylinder cap
Intensity is high.
The present embodiment is described in detail the diesel fuel supply system of the present embodiment by taking a kind of 12 cylinder V-diesels as an example：
Specifically, as shown in Figure 1 to Figure 2, according to a kind of V-type multi-cylinder diesel engine of specific embodiment of the present invention,
Including V-cylinder block 100, monomer cylinder head 200, two row cylinders of V-shaped arrangement are wherein disposed on the V-cylinder block 100
Hole, the angle between two row cylinder-bores of the V-cylinder block 100 is 60 degree, on the V-cylinder block 100 on the outside of two row cylinder-bores
It is cast with sleeve 101 corresponding with cylinder holes number respectively, monomer cylinder head 200 corresponds to the cylinder mounted on V-cylinder block 100 respectively
Oral area position.
As shown in figure 3, diesel fuel supply system includes electronically controlled unit pump, diesel fuel tanks and oil feed line, electronically controlled unit pump difference
Diesel oil is sprayed to every cylinder for controlling, diesel fuel tanks are connected to oil feed line, and oil feed line includes left side oil pipe 43 and right side oil pipe
42, right side oil pipe 42 and left side oil pipe 43 are correspondingly connected with by vertical high-pressure oil pipe 46 and electronically controlled unit pump respectively, and diesel oil supplies
Further include diesel oil distributor 49 to system, diesel oil distributor 49 is fixed on the front end of V-cylinder block 100, the diesel oil in diesel fuel tanks
It is connected to respectively with right side oil pipe 42 and left side oil pipe 43 by diesel oil distributor 49, in right side oil pipe 42 and left side oil pipe 43 respectively
Diesel fuel filter is accessed, the diesel fuel filter of the left and right sides is separately mounted to the both sides of V-cylinder block 100.In addition, this diesel oil supplies
To in pipeline, diesel oil is pumped into diesel oil distributor 49 by oil transfer pump by petroleum pipeline 41, and the diesel oil in diesel oil distributor 49 bifurcates
It connects with right side oil pipe 42 and left side oil pipe 43, referring to Fig. 3, is disconnected in the pipeline of right side oil pipe 42 and left side oil pipe 43 respectively
Connector accesses corresponding diesel fuel filter.Right side oil pipe 42 and left side oil pipe 43 pass through the high-pressure oil pipe of setting 46 and high pressure respectively
Take over 47 connects with corresponding electronically controlled unit pump, and the oil return of electronically controlled unit pump passes through left side oil return pipe 45 and right side oil return pipe respectively
44 flow back into overflow valve, and overflow valve is integrated in diesel oil distributor 49.In addition, the high-pressure oil pipe 46 and high-voltage connecting of the present embodiment
Pipe 47 is fixed on position of the both sides close to cylinder cap of V-cylinder block 100 by holder 48.
To sum up, the diesel fuel supply system of the V-type multi-cylinder diesel engine of the present embodiment, by the way that left side oil pipe and right side oil is arranged
Pipe is handled by diesel oil distributor centralized distribution fuel oil and oil return, meets Large-power High-Speed diesel engine high power, large torque, whole
The compact arrangement requirement of machine, using one electronically controlled unit pump of a cylinder, pump end pressure is big, and control is simple, and it is big to mix injection pressure
Fuel injector is atomized, and burning is abundant, and oil consumption is low.
The description of the aforementioned specific exemplary embodiment to the utility model is in order to illustrate and illustration purpose.These
Description is not wishing to for the utility model to be limited to disclosed precise forms, and it will be apparent that according to the above instruction, can carry out
Many change and variations.The purpose of selecting and describing the exemplary embodiment is that explaining the specific principle of the utility model
And its practical application, so that those skilled in the art can realize and utilize a variety of different examples of the utility model
Property embodiment and various chooses and changes.The scope of the utility model is intended to by claims and its waits similar shapes
Formula is limited.
Claims (1)
1. a kind of diesel fuel supply system of V-type multi-cylinder diesel engine, which includes V-cylinder block and is mounted on institute
Multiple monomer cylinder head of the cylinder oral area position of V-cylinder block are stated, two row gas of V-shaped arrangement are disposed on the V-cylinder block
Cylinder holes is cast with sleeve corresponding with cylinder holes number on the V-cylinder block on the outside of the two row cylinder-bore respectively, and feature exists
In the diesel fuel supply system includes：
Diesel fuel tanks；
The number of multiple electronically controlled unit pumps, the electronically controlled unit pump is corresponding with number of cylinders, and the multiple electronically controlled unit pump is right respectively
It should be mounted in the sleeve, the multiple electronically controlled unit pump is respectively intended to control injection diesel oil to every cylinder；
Oil feed line, the oil feed line include left side oil pipe and right side oil pipe, and the left side oil pipe and the right side oil pipe divide
It is not laid in the both sides of the V-cylinder block close to cylinder cap position；
Diesel oil distributor, the diesel oil distributor are fixed on the front end of the V-cylinder block, the diesel fuel tanks by petroleum pipeline with
The diesel oil distributor connection, the diesel oil distributor are connected to the left side oil pipe with the right side oil pipe, the left side oil
It is respectively connected to diesel fuel filter in pipe and the right side oil pipe, the diesel fuel filter of the left and right sides is separately mounted to the V-arrangement gas
The both sides of cylinder body, the left side oil pipe and the right side oil pipe respectively by vertical high-pressure oil pipe and high pressure take over it is described more
A electronically controlled unit pump is correspondingly connected with, and the oil return of the multiple electronically controlled unit pump is returned by left side oil return pipe and right side oil return pipe respectively
It flows in overflow valve, the overflow valve is integrated in the diesel oil distributor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820213263.4U CN207813806U (en) | 2018-02-07 | 2018-02-07 | The diesel fuel supply system of V-type multi-cylinder diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820213263.4U CN207813806U (en) | 2018-02-07 | 2018-02-07 | The diesel fuel supply system of V-type multi-cylinder diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207813806U true CN207813806U (en) | 2018-09-04 |
Family
ID=63320945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820213263.4U Active CN207813806U (en) | 2018-02-07 | 2018-02-07 | The diesel fuel supply system of V-type multi-cylinder diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207813806U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443039A (en) * | 2018-02-07 | 2018-08-24 | 广西玉柴机器股份有限公司 | The diesel fuel supply system of V-type multi-cylinder diesel engine |
-
2018
- 2018-02-07 CN CN201820213263.4U patent/CN207813806U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443039A (en) * | 2018-02-07 | 2018-08-24 | 广西玉柴机器股份有限公司 | The diesel fuel supply system of V-type multi-cylinder diesel engine |
| WO2019153495A1 (en) * | 2018-02-07 | 2019-08-15 | 广西玉柴机器股份有限公司 | Diesel feed system of v-type multi-cylinder diesel engine |
| CN108443039B (en) * | 2018-02-07 | 2020-06-26 | 广西玉柴机器股份有限公司 | Diesel oil supply system of V-shaped multi-cylinder diesel engine |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230113 Address after: No.88 Tianqiao West Road, Yulin City, Guangxi Zhuang Autonomous Region Patentee after: Guangxi Yuchai Ship Electric Power Co.,Ltd. Address before: 537005 No. 88 flyover West Road, the Guangxi Zhuang Autonomous Region, Yulin Patentee before: Guangxi Yuchai Machinery Co.,Ltd. |