CN205349582U - Marine diesel's high pressure common rail system - Google Patents
Marine diesel's high pressure common rail system Download PDFInfo
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- CN205349582U CN205349582U CN201521107765.1U CN201521107765U CN205349582U CN 205349582 U CN205349582 U CN 205349582U CN 201521107765 U CN201521107765 U CN 201521107765U CN 205349582 U CN205349582 U CN 205349582U
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- pipe
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- high pressure
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- cylinder
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Abstract
The utility model provides a marine diesel's high pressure common rail system, including altogether rail pipe, cylinder, sprayer, switching piece, exhaust control valve, integrated valves, cylinder grease squirt, energy storage ware, fire oil pipe, fuel and advance oil pipe, high -pressure servo oil pipe, servo oil and return oil pipe, smooth oil pipe, discharge valve off -load pipe, the servo oil pipe of discharge valve high pressure, discharge valve disk seat, transition piece, fuel injection control valve and exhaust pressure boost parts, wherein, rail pipe horizontal installation is in the frame altogether, integrated valves gentleness jar grease squirt lies in the upside of common rail pipe, exhaust pressure boost fitting up is central in the upside of integrated valves, the exhaust control valve is located the center of pile -up valve inter block side, the fuel injection control valve is installed in the lateral surface of integrated valves, central symmetrical arrangement about integrated valves, the energy storage ware is installed in the outside of integrated valves through the switching piece, the central line water flat line of rail pipe together becomes 45, smooth oil pipe, the fuel advances oil pipe and servo time oil pipe is located the inboard that common rail was managed. The utility model discloses structural configuration is reasonable, and the later maintenance of being convenient for has reduced the complete machine pipeline, has saved the diesel engine space.
Description
Technical field
This utility model relates to high-power low-speed diesel peculiar to vessel, is specifically related to the high pressure co-rail system of a kind of marine diesel, belongs to Diesel Engine Technique Field.
Background technology
On marine low speed diesel engine, in the hydraulic system such as air bleeding valve drive system, fuel injection system, Cylinder lubricating system, all refer to the power source with certain pressure.On current marine diesel, air bleeding valve drive system is directly installed on common rail pipe, fuel injection system realizes the predetermined expulsion pressure of fuel pressurization by the combination of specific pressurized cylinder and electrical control cubicles, Cylinder lubricating system by specific integrated valve block to Cylinder lubricating.But existing each system is separately independent to be controlled, and arranging complexity on marine diesel, occupy substantial amounts of space, pipeline is mixed and disorderly, it has not been convenient to follow-up maintenance.
Utility model content
The purpose of this utility model is in that to overcome the deficiency of three subsystem structure layouts such as the air bleeding valve drive system of existing marine diesel, fuel injection system, Cylinder lubricating system, the high pressure co-rail system of a kind of novel marine diesel is provided, overcome the defects such as fluid pressure line on diesel engine is various, the follow-up maintenance big, inconvenient that takes up space, oil circuit are complicated, hydraulic pressure three subsystems layout making diesel engine is reasonable, reduce complete machine pipeline, save between diesel air.
To achieve these goals, technical solution of the present utility model is as follows:
A kind of high pressure co-rail system of marine diesel, including: common rail pipe, cylinder, fuel injector, transfer block, gas exhausting valve, pile-up valve group, cylinder oiler, accumulator, fuel pipe, fuel oil oil inlet pipe, high pressure servo oil pipe, servo oil oil return pipe, oil pipe, air bleeding valve off-load pipe, air bleeding valve high pressure servo oil pipe, air bleeding valve valve seat, transition block, injector control valve and air-discharging and supercharging parts；Wherein,
Described common rail pipe is horizontally arranged in frame, and pile-up valve group is arranged on the upside of common rail pipe, it is achieved the distribution of high pressure servo oil circuit；
Described air-discharging and supercharging parts are installed on the upper center of pile-up valve group, the other end is connected with air bleeding valve valve seat by high pressure servo oil pipe, air bleeding valve valve seat is installed on cylinder and concentric with cylinder, gas exhausting valve is positioned at the center inside pile-up valve group, air bleeding valve off-load pipe one end connects air bleeding valve valve seat, one end is connected in pile-up valve group, and centre is fixed on cylinder；
High pressure servo oil pipe one end of described fuel injector connects pile-up valve group, one end connects the transition block of fuel injector, the servo oil return pipe of fuel injector is installed on the medial surface of pile-up valve group, each two fuel injector is installed on a cylinder, the angle of fuel injector is symmetrical about cylinder axis, meeting best spray angle, the injector control valve of fuel injector high pressure servo oil is installed on the lateral surface of pile-up valve group, and the centrosymmetry about pile-up valve group is arranged；
Described accumulator is installed on the outside of pile-up valve group by transfer block, it is achieved supplementing of high pressure servo oil flow, and centrage is at 45 ° with the horizontal line of common rail pipe；
The center of described cylinder, accumulator, gas exhausting valve, air-discharging and supercharging parts and pile-up valve group is in the same center line；
Described cylinder oiler is positioned at the upside of common rail pipe, is positioned at the geometric center of two pile-up valve group lines；
Described oil pipe, fuel oil oil inlet pipe and servo oil return pipe are positioned at the inner side of common rail pipe.
Further, described high pressure co-rail system takes the servo oil of common rail pipe 7 jointly as power source.
Further, described cylinder be two or more and position uniform.
Further, the quantity of described accumulator is determined according to actual needs.
Further, an injector control valve two fuel injectors are controlled.
Further, each cylinder is installed two fuel injectors.
Compared with prior art, of the present utility model it has the advantages that:
1, air bleeding valve drive system, fuel injection system and three subsystems of cylinder injection system take the servo oil of common rail pipe jointly as power source, and common rail system integrated level is high；
2, fuel oil in-line, servo oil return line and lube pipe are distributed in the inner side of common rail pipe, and size is consistent with trend, decreases kind and the shape of pipeline, topology layout compact and reasonable, it is simple to follow-up maintenance；
3, the Integrated power of three subsystems is in common rail pipe, and the outside of common rail pipe is without parts layout, for electromotor slot milling as other purposes；
4, whole common rail system is rationally distributed, it is simple to follow-up maintenance and optimization and upgrading.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model.
Fig. 2 is the partial enlarged drawing of Fig. 1.
Fig. 3 is the top view of Fig. 2.
Labelling in figure: 1-cylinder oiler, 2-accumulator, 3-transfer block, 4-injector control valve, 5-air-discharging and supercharging parts, 6-pile-up valve group, 7-common rail pipe, 8-gas exhausting valve, 9-servo oil return pipe, 10-fuel pipe, 11-high pressure servo oil pipe, 12-oil pipe, 13-fuel oil oil inlet pipe, 14-air bleeding valve high pressure servo oil pipe, 15-air bleeding valve off-load pipe, 16-air bleeding valve valve seat, 17-cylinder, 18-fuel injector, 19-transition block.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is described in further detail, but protection domain of the present utility model should do not limited with this.
Please referring initially to Fig. 1, it is illustrated that the high pressure co-rail system of marine diesel takes the servo oil of common rail pipe 7 jointly as power source.
Incorporated by reference to consulting Fig. 2 and Fig. 3, described high pressure co-rail system includes: common rail pipe 7, cylinder 17, fuel injector 18, transfer block 3, gas exhausting valve 8, pile-up valve group 6, cylinder oiler 1, accumulator 2, fuel pipe 10, fuel oil oil inlet pipe 13, high pressure servo oil pipe 11, servo oil oil return pipe 9, oil pipe 12, air bleeding valve off-load pipe 15, air bleeding valve high pressure servo oil pipe 14, air bleeding valve valve seat 16, transition block 19, injector control valve 4 and air-discharging and supercharging parts 5.
Described common rail pipe 7 is horizontally arranged in frame, and pile-up valve group 6 is arranged on the upside of common rail pipe 7, it is achieved the distribution of high pressure servo oil circuit.
Described air-discharging and supercharging parts 5 are installed on the upper center of pile-up valve group 6, the other end is connected with air bleeding valve valve seat 16 by high pressure servo oil pipe 11, air bleeding valve valve seat 16 is installed on cylinder 17 and concentric with cylinder 17, gas exhausting valve 8 is positioned at the center of pile-up valve group 6 medial surface (namely between pile-up valve group 6 and cylinder 17), air bleeding valve off-load pipe 15 one end connects air bleeding valve valve seat 16, one end is connected in pile-up valve group 6, and centre is fixed on cylinder 17.
High pressure servo oil pipe 11 one end of described fuel injector 18 connects pile-up valve group 6, and one end connects the transition block 19 of fuel injector 18, and the servo oil return pipe 9 of fuel injector 18 is installed on the medial surface of pile-up valve group 6 (namely between pile-up valve group 6 and cylinder 17)；Each two fuel injector 18 is installed on single cylinder 17, and the angle of fuel injector 18, about cylinder 17 centrosymmetry, meets best spray angle；The injector control valve 4 of fuel injector high pressure servo oil is installed on the lateral surface of pile-up valve group 6, and the centrosymmetry about pile-up valve group 6 is arranged.
Described accumulator 2 is installed on the outside of pile-up valve group 6 by transfer block 3, it is achieved supplementing of high pressure servo oil flow, and the centrage of accumulator 2 is at 45 ° with the horizontal line of common rail pipe 7.
The center of described cylinder 17, accumulator 2, gas exhausting valve 8, air-discharging and supercharging parts 5 and pile-up valve group 6 is in the same center line.Described cylinder oiler 1 is positioned at the upside of common rail pipe 7, is positioned at the geometric center of two pile-up valve group 6 lines.Described oil pipe 12, fuel oil oil inlet pipe 13 and servo oil return pipe 9 are positioned at the inner side of common rail pipe 7.
Described cylinder 17 be two or more and position uniform.Installing two fuel injectors 18 on each cylinder 17, the line at three center can balance with the centrage of common rail pipe 7, it is possible to also with common rail pipe 7 centrage at an angle, is not limited to a kind of mounting means；And can the oil duct of flexible design integrated valve block, it is achieved controlled two fuel injectors 18 by an injector control valve 4.The quantity of described accumulator 2 can be installed by number according to actual needs.
Described high pressure co-rail system is by controlling the opening and closing of air bleeding valve 8, thus realizing the exhaust event of delivery valve seat 16；By controlling the opening and closing of injector control valve 4, servo oil holds greatly piston by what high pressure servo oil pipe 11 acted on fuel injector 18 pressurized part, thus completing the supercharging of fuel oil and releasing of servo oil, it is achieved oil spout action；By the opening and closing controlling valve on cylinder oiler 1, lubricating oil enters the stop valve of cylinder along oil pipe 12, completes Cylinder lubricating action.
Above are only preferred embodiment of the present utility model, it must further be noted that, all various equivalent modifications, change and the corrections made according to this utility model application content of those skilled in the art, all should become the protection domain of this utility model patent.
Claims (6)
1. the high pressure co-rail system of a marine diesel, it is characterised in that: described high pressure co-rail system includes: common rail pipe, cylinder, fuel injector, transfer block, gas exhausting valve, pile-up valve group, cylinder oiler, accumulator, fuel pipe, fuel oil oil inlet pipe, high pressure servo oil pipe, servo oil oil return pipe, oil pipe, air bleeding valve off-load pipe, air bleeding valve high pressure servo oil pipe, air bleeding valve valve seat, transition block, injector control valve and air-discharging and supercharging parts；Wherein,
Described common rail pipe is horizontally arranged in frame, and pile-up valve group is arranged on the upside of common rail pipe, it is achieved the distribution of high pressure servo oil circuit；
Described air-discharging and supercharging parts are installed on the upper center of pile-up valve group, the other end is connected with air bleeding valve valve seat by high pressure servo oil pipe, air bleeding valve valve seat is installed on cylinder and concentric with cylinder, gas exhausting valve is positioned at the center inside pile-up valve group, air bleeding valve off-load pipe one end connects air bleeding valve valve seat, one end is connected in pile-up valve group, and centre is fixed on cylinder；
High pressure servo oil pipe one end of described fuel injector connects pile-up valve group, one end connects the transition block of fuel injector, the servo oil return pipe of fuel injector is installed on the medial surface of pile-up valve group, each two fuel injector is installed on a cylinder, the angle of fuel injector is symmetrical about cylinder axis, meeting best spray angle, the injector control valve of fuel injector high pressure servo oil is installed on the lateral surface of pile-up valve group, and the centrosymmetry about pile-up valve group is arranged；
Described accumulator is installed on the outside of pile-up valve group by transfer block, it is achieved supplementing of high pressure servo oil flow, and centrage is at 45 ° with the horizontal line of common rail pipe；
The center of described cylinder, accumulator, gas exhausting valve, air-discharging and supercharging parts and pile-up valve group is in the same center line；
Described cylinder oiler is positioned at the upside of common rail pipe, is positioned at the geometric center of two pile-up valve group lines；
Described oil pipe, fuel oil oil inlet pipe and servo oil return pipe are positioned at the inner side of common rail pipe.
2. the high pressure co-rail system of marine diesel according to claim 1, it is characterised in that: described high pressure co-rail system takes the servo oil of common rail pipe jointly as power source.
3. the high pressure co-rail system of marine diesel according to claim 1, it is characterised in that: described cylinder be two or more and position uniform.
4. the high pressure co-rail system of marine diesel according to claim 1, it is characterised in that: the quantity of described accumulator is determined according to actual needs.
5. the high pressure co-rail system of marine diesel according to claim 1, it is characterised in that: controlled two fuel injectors by a described injector control valve.
6. the high pressure co-rail system of marine diesel according to claim 1, it is characterised in that: each described cylinder is installed two fuel injectors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521107765.1U CN205349582U (en) | 2015-12-28 | 2015-12-28 | Marine diesel's high pressure common rail system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521107765.1U CN205349582U (en) | 2015-12-28 | 2015-12-28 | Marine diesel's high pressure common rail system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205349582U true CN205349582U (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521107765.1U Withdrawn - After Issue CN205349582U (en) | 2015-12-28 | 2015-12-28 | Marine diesel's high pressure common rail system |
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| CN (1) | CN205349582U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781837A (en) * | 2015-12-28 | 2016-07-20 | 沪东重机有限公司 | High-pressure common rail system for marine diesel engine |
-
2015
- 2015-12-28 CN CN201521107765.1U patent/CN205349582U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781837A (en) * | 2015-12-28 | 2016-07-20 | 沪东重机有限公司 | High-pressure common rail system for marine diesel engine |
| CN105781837B (en) * | 2015-12-28 | 2019-02-12 | 沪东重机有限公司 | A kind of high pressure co-rail system of marine diesel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160629 Effective date of abandoning: 20190212 |
|
| AV01 | Patent right actively abandoned |