CN204200377U - A kind of Digital Governor for Diesel Engine - Google Patents
A kind of Digital Governor for Diesel Engine Download PDFInfo
- Publication number
- CN204200377U CN204200377U CN201420659126.5U CN201420659126U CN204200377U CN 204200377 U CN204200377 U CN 204200377U CN 201420659126 U CN201420659126 U CN 201420659126U CN 204200377 U CN204200377 U CN 204200377U
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- CN
- China
- Prior art keywords
- pull bar
- oil mass
- mass pull
- fuel
- bar
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- Expired - Fee Related
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- High-Pressure Fuel Injection Pump Control (AREA)
Abstract
The utility model provides a kind of Digital Governor for Diesel Engine, comprise fuel-flow control bar, return spring, oil mass pull bar, oil mass pull bar baffle plate, oil pump final controlling element and control unit, described fuel-flow control bar is arranged on Injection Pump, described oil pump final controlling element is connected with oil mass pull bar by shift fork, described oil mass pull bar is connected with every root fuel-flow control bar, described oil mass pull bar baffle plate is installed on one end of described oil mass pull bar vertically, described return spring one end hangs on described oil mass pull bar, the described return spring the other end hangs on oil mass pull bar baffle plate, described control unit is electrically connected with described oil pump final controlling element.The beneficial effects of the utility model comprise: the fuel-flow control bar of each Injection Pump of oil mass pull bar synchronization control; Control unit sends instruction according to speed feedback signal and throttle position signal oil feed pump final controlling element and adjusts Injection Pump fuel delivery, and respond sensitive, speed governing is stablized, and can meet different speed governing requirements.
Description
Technical field
The utility model relates to engine apparatus field, specifically a kind of diesel oil mobilize electromechanics sub speed controller.
Background technique
The fuel delivery of each work cycle of fuel injection pump of diesel engine depends primarily on the position of oil mass pull bar.In addition, the impact of engine speed is also subject to.When oil mass draw rod positions is constant, along with the increase of engine crankshaft rotating speed, plunger pump oil efficiency slightly increased, and fuel delivery also slightly increases; Otherwise fuel delivery slightly reduces.This fuel delivery is called the speed characteristics of Injection Pump with the relation of rotation speed change.The diesel engine that the speed characteristics of Injection Pump are changeable to operating mode is very disadvantageous.When engine load slightly changes, engine speed is caused to alter a great deal.When the load is decreasing, rotating speed raises, and rotating speed raises and causes plunger pump fuel delivery per cycle to increase, and fuel delivery per cycle increase causes again rotating speed to raise further, and so constantly vicious circle causes engine speed more and more higher, last driving; Otherwise when load increases, rotating speed reduces, rotating speed reduction causes plunger pump fuel delivery per cycle to reduce, and fuel delivery per cycle minimizing causes again rotating speed to reduce further, and so constantly vicious circle, causes engine speed more and more lower, finally stop working.Change this vicious circle, just require and a kind ofly according to the change of load, automatically can regulate fuel delivery, make the automatic control mechanism of motor steady running in the speed range of regulation.Mobile draw bar can change fuel delivery per cycle, makes the rotating speed of motor substantially constant.Therefore, diesel engine will meet usage requirement, just must install speed regulator.
Conventional diesel engine mainly adopts mechanical centrifugal formula speed regulator, mechanical centrifugal formula speed regulator balances each other according to spring force and centrifugal force and carries out speed governing, sensitivity and precision poor, low-response, and require high to part quality, easily generation speed governing shakiness or speed change rate do not reach the problem of requirement.
Model utility content
Technical problem to be solved in the utility model is: provide a kind of Digital Governor for Diesel Engine.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of Digital Governor for Diesel Engine, comprise fuel-flow control bar, return spring, oil mass pull bar, oil mass pull bar baffle plate, oil pump final controlling element and control unit, described fuel-flow control bar is arranged on Injection Pump, described oil pump final controlling element is connected with oil mass pull bar by shift fork, described oil mass pull bar is connected with every root fuel-flow control bar, described oil mass pull bar baffle plate is installed on one end of described oil mass pull bar vertically, described return spring one end hangs on described oil mass pull bar, the described return spring the other end hangs on oil mass pull bar baffle plate, described control unit is electrically connected with described oil pump final controlling element.
Further, described oil mass pull bar is positioned at fuel-flow control bar side and is provided with mounting plate, and described mounting plate is provided with draw-in groove, and described fuel-flow control bar is stuck in described draw-in groove.
Further, described oil mass pull bar baffle plate is provided with elongated hole, and one end of described oil mass pull bar is slidably stretched in described elongated hole.
Further, one end that described oil mass pull bar stretches into elongated hole is provided with the baffle plate parallel with described oil mass pull bar baffle plate.
The beneficial effects of the utility model are: oil mass pull bar can the fuel-flow control bar of each Injection Pump of synchronization control; Control unit sends instruction according to speed feedback signal and throttle position signal oil feed pump final controlling element and adjusts Injection Pump fuel delivery, and respond sensitive, speed governing is stablized, and can meet different speed governing requirements; Oil mass pull bar baffle plate can play position-limiting action, supports oil mass pull bar simultaneously.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment Digital Governor for Diesel Engine stereogram.
Label declaration: 1, oil mass pull bar baffle plate; 2, return spring; 3, oil pump final controlling element; 5, Injection Pump; 6, oil mass pull bar; 7, fuel-flow control bar; 8, mounting plate; 9, draw-in groove; 10, elongated hole; 11, baffle plate; 12, shift fork.
Embodiment
By describing technology contents of the present utility model in detail, realized object and effect, accompanying drawing is coordinated to be explained below in conjunction with mode of execution.
The design of the utility model most critical is: oil mass pull bar is connected with the fuel-flow control bar of simultaneously each Injection Pump; Be provided with control unit, control unit sends instruction according to speed feedback signal and throttle position signal oil feed pump final controlling element and adjusts Injection Pump fuel delivery, and respond sensitive, speed governing is stablized, and can meet different speed governing requirements.
Please refer to Fig. 1, a kind of Digital Governor for Diesel Engine, comprise fuel-flow control bar 7, return spring 2, oil mass pull bar 6, oil mass pull bar baffle plate 1, oil pump final controlling element 3 and control unit, described fuel-flow control bar 7 is arranged on Injection Pump 5, described oil pump final controlling element 3 is connected with oil mass pull bar 6 by shift fork 12, described oil mass pull bar 6 is connected with every root fuel-flow control bar 7, described oil mass pull bar baffle plate 1 is installed on one end of described oil mass pull bar 6 vertically, described return spring 2 one end hangs on described oil mass pull bar 6, described return spring 2 the other end hangs on oil mass pull bar baffle plate 1, described control unit is electrically connected with described oil pump final controlling element 3.
Each cylinder of diesel engine is equipped with an independently Injection Pump 5, and the utility model is by the fuel-flow control bar 7 of an each Injection Pump 5 of oil mass pull bar 6 synchronization control.When diesel engine is in vehicle stop state, under the effect of return spring 2, oil mass pull bar 6 pulls the fuel-flow control bar 7 on Injection Pump 5 that Injection Pump 5 is in stop oil condition.Oil mass pull bar baffle plate 1 one aspect plays position-limiting action, plays support and motion guide effect on the other hand to oil mass pull bar 6 one end.According to speed feedback signal and throttle position signal during control unit work, according to the program preset, oil feed pump final controlling element 3 sends instruction, and by mobile oil mass pull bar 6, the fuel delivery of synchronous adjustment four Injection Pumps 5, realizes the object of speed governing.When control unit power-off is stopped, under the effect of return spring 2, oil mass pull bar 6 is finally in cut-out position, ensures emergency.
From foregoing description, the beneficial effects of the utility model are: the fuel-flow control bar 7 of each Injection Pump of oil mass pull bar 6 synchronization control; Control unit sends instruction according to speed feedback signal and throttle position signal oil feed pump final controlling element 3 and adjusts Injection Pump 5 fuel delivery, and respond sensitive, speed governing is stablized, and can meet different speed governing requirements; Oil mass pull bar baffle plate 1 can play position-limiting action, supports oil mass pull bar 6 simultaneously.
Further, described oil mass pull bar 6 is positioned at fuel-flow control bar 7 side and is provided with mounting plate 8, and described mounting plate 8 is provided with draw-in groove 9, and described fuel-flow control bar 7 is stuck in described draw-in groove 9.
Further, described oil mass pull bar baffle plate 1 is provided with elongated hole 10, and one end of described oil mass pull bar 6 is slidably stretched in described elongated hole 10.
Further, one end that described oil mass pull bar 6 stretches into elongated hole 10 is provided with the baffle plate 11 parallel with described oil mass pull bar baffle plate 1.
Please refer to Fig. 1, embodiment of the present utility model is: a kind of Digital Governor for Diesel Engine, comprise fuel-flow control bar 7, return spring 2, oil mass pull bar 6, oil mass pull bar baffle plate 1, oil pump final controlling element 3 and control unit, described fuel-flow control bar 7 is arranged on Injection Pump 5, described oil pump final controlling element 3 is connected with oil mass pull bar 6 by shift fork, described oil mass pull bar 6 is connected with every root fuel-flow control bar 7, described oil mass pull bar baffle plate 1 is installed on one end of described oil mass pull bar 6 vertically, described return spring 2 one end hangs on described oil mass pull bar 6, described return spring 2 the other end hangs on oil mass pull bar baffle plate 1, described control unit is electrically connected with described oil pump final controlling element 3.Described oil mass pull bar 6 is positioned at fuel-flow control bar 7 side and is provided with mounting plate 8, and described mounting plate 8 is provided with draw-in groove 9, and described fuel-flow control bar 7 is stuck in described draw-in groove 9.Described oil mass pull bar baffle plate 1 is provided with elongated hole 10, and one end of described oil mass pull bar 6 is slidably stretched in described elongated hole 10.One end that described oil mass pull bar 6 stretches into elongated hole 10 is provided with the baffle plate 11 parallel with described oil mass pull bar baffle plate 1.
In sum, the Digital Governor for Diesel Engine beneficial effect that the utility model provides has: the fuel-flow control bar of each Injection Pump of oil mass pull bar synchronization control; Control unit sends instruction according to speed feedback signal and throttle position signal oil feed pump final controlling element and adjusts Injection Pump fuel delivery, and respond sensitive, speed governing is stablized, and can meet different speed governing requirements; Oil mass pull bar baffle plate can play position-limiting action, supports oil mass pull bar simultaneously.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalents utilizing the utility model specification and accompanying drawing content to do; or be directly or indirectly used in relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (4)
1. a Digital Governor for Diesel Engine, it is characterized in that: comprise fuel-flow control bar, return spring, oil mass pull bar, oil mass pull bar baffle plate, oil pump final controlling element and control unit, described fuel-flow control bar is arranged on Injection Pump, described oil pump final controlling element is connected with oil mass pull bar by shift fork, described oil mass pull bar is connected with every root fuel-flow control bar, described oil mass pull bar baffle plate is installed on one end of described oil mass pull bar vertically, described return spring one end hangs on described oil mass pull bar, the described return spring the other end hangs on oil mass pull bar baffle plate, described control unit is electrically connected with described oil pump final controlling element.
2. Digital Governor for Diesel Engine according to claim 1, is characterized in that: described oil mass pull bar is positioned at fuel-flow control bar side and is provided with mounting plate, and described mounting plate is provided with draw-in groove, and described fuel-flow control bar is stuck in described draw-in groove.
3. Digital Governor for Diesel Engine according to claim 1, is characterized in that: described oil mass pull bar baffle plate is provided with elongated hole, and one end of described oil mass pull bar is slidably stretched in described elongated hole.
4. Digital Governor for Diesel Engine according to claim 3, is characterized in that: one end that described oil mass pull bar stretches into elongated hole is provided with the baffle plate parallel with described oil mass pull bar baffle plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420659126.5U CN204200377U (en) | 2014-11-05 | 2014-11-05 | A kind of Digital Governor for Diesel Engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420659126.5U CN204200377U (en) | 2014-11-05 | 2014-11-05 | A kind of Digital Governor for Diesel Engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204200377U true CN204200377U (en) | 2015-03-11 |
Family
ID=52658341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420659126.5U Expired - Fee Related CN204200377U (en) | 2014-11-05 | 2014-11-05 | A kind of Digital Governor for Diesel Engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204200377U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107882642A (en) * | 2017-09-25 | 2018-04-06 | 北京机械设备研究所 | A kind of throttle control mechanism suitable for diesel engine low temperature starting |
-
2014
- 2014-11-05 CN CN201420659126.5U patent/CN204200377U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107882642A (en) * | 2017-09-25 | 2018-04-06 | 北京机械设备研究所 | A kind of throttle control mechanism suitable for diesel engine low temperature starting |
| CN107882642B (en) * | 2017-09-25 | 2019-07-23 | 北京机械设备研究所 | A kind of throttle control mechanism suitable for diesel engine low temperature starting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20161105 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |