CN102392741A - Electric fuel-injection timing regulating device - Google Patents
Electric fuel-injection timing regulating device Download PDFInfo
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- CN102392741A CN102392741A CN2011103333332A CN201110333333A CN102392741A CN 102392741 A CN102392741 A CN 102392741A CN 2011103333332 A CN2011103333332 A CN 2011103333332A CN 201110333333 A CN201110333333 A CN 201110333333A CN 102392741 A CN102392741 A CN 102392741A
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- push rod
- rod shaft
- axle
- injection timing
- flange
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Abstract
The invention discloses an electric fuel-injection timing regulating device, belonging to the field of regulating devices for diesel engines. The electric fuel-injection timing regulating device disclosed by the invention comprises a housing, wherein the inside of the housing is provided with an axle and a push rod shaft; one end of the push rod shaft is nested in the axle, and rotates relative to the axle; the push rod shaft is connected to a speed reducer, and rotates under the control of the speed reducer; due to the rotation of the push rod shaft, the push rod shaft moves relative to the housing; and the axle moves along with the push rod shaft. The electric fuel-injection timing regulating device disclosed by the invention is simple in structure and convenient to use, and has no noise and pollution; and the automatic regulation on fuel-injection timing can be realized, therefore, the dynamic performance and better economical efficiency of a diesel engine can be ensured, and the NOx emissions of the diesel engine can meet the requirements of relevant regulations.
Description
Technical field
The present invention relates to a kind of controlling device of diesel engine, the injection timing controlling device of using on particularly a kind of diesel engine.
Background technique
The running operating mode of industrial diesel engine is complicated and changeable, and therefore all higher to oil consumption, discharging and reliability requirements, the requirement to diesel engine is that power is big simultaneously, and oil consumption is low, and NOx (nitrogen oxide) discharging will be satisfied the requirement of relevant laws and regulations.For existing high-speed diesel engine, because it is bigger to drive the moment of torsion of Injection Pump, in operating mode complicated and changeable, realize that the automatic adjustment between the multi-functional operating mode is difficult relatively, also be a great problem of being badly in need of solution.Realize the automatic adjusting between multi-functional; Satisfy the high request of its various performances; Just need control, realize the automatic control of fuel feeding, can adopt fuel feeding to shift to an earlier date automatic control regulator the fuel feeding of diesel engine; Shift to an earlier date very complicacy of automatic control regulator but design a compactness with reliable fuel feeding, and in diesel engine general arrangement, change and also compare difficulty.And existing diesel engine, existing problems such as the storage of its operation and detection data and transmission can not be preserved, and are unfavorable for maintenance and service work.
Therefore; Need design a controlling device according to the characteristics of diesel engine, be used to address the above problem; And can realize the multi-functional automatic adjusting of the regulating system of diesel engine; In the power character that guarantees diesel engine, guarantee its usage economy and the reliability of fuel, guarantee the NOx emission compliance of diesel engine simultaneously.
Summary of the invention
Goal of the invention of the present invention is: the problem to above-mentioned existence provides a kind of simple in structure, easy to use; The electronic injection timing automatic control tegulatingdevice of noise free and pollution adopts this controlling device, can realize regulating automatically in real time of diesel engine fuel injecting correct time; Thereby guarantee that promptly engine power performance, Economy guarantee that again the NOx of diesel engine is up to standard; And plant bulk is less, and the installation position does not receive the constraint of spatial position, helps diesel engine regular maintenance and repairing.
The technological scheme that the present invention adopts is following:
Electronic injection timing controlling device of the present invention comprises case, is provided with axle and push rod shaft in the said case; One end of said push rod shaft is placed in the axle; And relatively rotate with axle, said push rod shaft is connected on the speed reducer, and it rotates to receive speed reducer control; The rotation of said push rod shaft makes it move with respect to case, and said axle moves with push rod shaft.
Owing to adopted said structure, case to be used for fixing on engine body, axle is connected with the camshaft of engine interior; And can rotate with the rotation of camshaft, an other end of axle is arranged in the case, and is placed in outside the push rod shaft; And can relatively rotate between push rod shaft and the axle, this push rod shaft is positioned at case inside, and is connected with speed reducer on the case; And this speed reducer drives push rod shaft and rotates, and push rod shaft is rotated relatively in case and moved forward and backward, thereby pushing shaft moves forward and backward; Realize promoting moving of engine cam, because the gear that connects on the engine cam is a helical gear, so the mobile camshaft rotating certain angle that realized of camshaft; Thereby control the matching relationship between each cam and the valve, realize control, realize the control of injection advance angle the switching time of intake valve and exhaust valve.Electronic injection timing controlling device of the present invention, simple in structure, easy to use; Noise free and pollution, and can realize multi-functional automatic adjusting, thus performances such as assurance engine power performance, fuel its usage economy, reliability are given full play to; And the associated components size reduces; The constraint of spatial position is avoided in the installation position, helps diesel engine regular maintenance and repairing, realizes that easily diesel engine performance detects and fault diagnosis functions; Problems such as the storage of diesel engine operation and detection data and transmission are able to solve, and are convenient to scientific management and use.
Electronic injection timing controlling device of the present invention; Be connected with the promotion flange on the said push rod shaft, be connected with fastening flange on the said axle, said push rod shaft is passed fastening flange; And promote the flange flange that is fixed and be limited in the axle, can relatively rotate between said promotion flange and the fastening flange.
Owing to adopted said structure, axle and push rod shaft being through cooperating between fastening flange and the promotion flange, realization relatively rotating between the two; And the promotion flange that connects on the push rod shaft is limited in the axle, and pins through fastening flange, makes can not break away between axle and the push rod shaft; What guarantee that push rod shaft can pushing shaft moves; And can relatively rotate between axle and the push rod shaft, guarantee that axle can rotate with the camshaft of motor, and push rod shaft and case be not rotate.
Electronic injection timing controlling device of the present invention, the both sides of said promotion flange are provided with the lining dish, and be individually fixed in axle inner with fastening flange on, the spacing between adjustment axle and the promotion flange, between fastening flange and the promotion flange.
Owing to adopted said structure, promote the lining dish of the both sides of flange, be individually fixed on axle inside and the fastening flange; Thereby can adjust axle and promote between the flange, the spacing between fastening flange and the promotion flange; Avoid promoting between flange and axle, the fastening flange excesssive gap and in real time pushing shaft move, perhaps the gap is too small, and axle when rotating with the bigger friction of push rod shaft generation; Thereby axle and push rod shaft are caused wearing and tearing; Therefore can guarantee to have good promotion effect, can not wear and tear again, guarantee the permanent of its working life because of friction.
Electronic injection timing controlling device of the present invention, said axle is connected on the camshaft of motor away from an end of push rod shaft, and passes through spline fitted between axle and the camshaft.
Owing to adopted said structure, pass through spline fitted between axle and the camshaft, and spline fitted be oblique spline; Make when motor camshaft when rotating, axle rotates camshaft because spool and push rod shaft between can relatively rotate; When moving when the push rod shaft rotation and with respect to case, axle is promoted by push rod shaft, thereby the actuating cam axle turns an angle; Owing to cooperatively interact between cam and intake valve, the exhaust valve, adjusted cam angle degree after, will certainly adjust to the beginning of each valve and the time of closing; Thereby can adjust advance angle, make diesel engine be in the optimum state.
Electronic injection timing controlling device of the present invention is a spline fitted between said push rod shaft and the case, make push rod shaft can be equivalent to case and rotate, and push rod shaft can move with respect to case when rotating.
Owing to adopted said structure, case to be used for fixing on the body of DENG, between push rod shaft and the case oblique spline fitted; When making catch bar rotate, can under the effect of oblique spline, advance or retreat, thereby can pushing shaft advance or retreat; Realize moving axially of cam, finally change into the camshaft rotating certain angle, realize the unlatching of intake valve and exhaust valve, the control of closing; Adjust its opening and closing time; Realize the control of injection advance angle, thereby can realize multi-functional automatic adjusting, thereby performances such as assurance engine power performance, fuel its usage economy, reliability are given full play to.
Electronic injection timing controlling device of the present invention is connected with controlling rod on the said push rod shaft, and the side of said controlling rod is provided with position limit switch, and said position limit switch is connected on the control system.
Owing to adopted said structure, be connected with controlling rod on the push rod shaft, and the side of controlling rod be provided with position limit switch; Can be used to detect the stroke that push rod shaft moves forward and backward through the detection of position limit switch, because the axle that is connected with push rod shaft is connected on the engine cam to the controlling rod walking; Therefore can limit the distance that push rod shaft actuating cam axle moves,, therefore be pushed and when moving axially when camshaft because the gear that connects on the cam is a helical gear; Camshaft can turn an angle; Owing to cooperatively interact between cam and intake valve, the exhaust valve, adjusted cam angle degree after, will certainly adjust to the beginning of each valve and the time of closing; Thereby can adjust advance angle, make diesel engine be in the optimum state.
Electronic injection timing controlling device of the present invention, match with position limit switch in the outside of said controlling rod, the displacement distance of restriction push rod shaft.
Because to have adopted said structure, the outside of controlling rod is one section concave structure, advances or retreat because controlling rod will pass through rotation; Therefore when design, the diameter of whole concave structure section makes position limit switch in this spill section, to walk less than the diameter of other controlling rod section; The greatest limit that two edges of spill section are whole push rod shaft rotation and move; When whole push rod shaft walks to this limit position, touch position limit switch, position limit switch passes the signal along on the control system; Control system is controlled the motor that connects on the speed reducer again and is stopped operating at once; Thereby the control push rod shaft halts and retreats, and has avoided the walking of push rod shaft actuating cam excessive, and can not satisfy the normal use of motor.
Electronic injection timing controlling device of the present invention, said push rod shaft is provided with pointer, the steering position of indication push rod shaft and axle.
Owing to adopted said structure; Can demonstrate the push rod shaft rotational position through pointer, thereby can demonstrate the angle matching problem between engine cam and each valve, be convenient to adjust and regulate the angle of push rod shaft rotation; Thereby control injection advance angle; Make motor be in the optimum state, thereby guarantee that diesel oil fully burns, reach fuel-efficient purpose.
In sum, owing to adopted technique scheme, the invention has the beneficial effects as follows:
1. electronic injection timing controlling device of the present invention, simple in structure, easy to use, noise free and pollution;
2. electronic injection timing controlling device of the present invention can realize multi-functional automatic adjusting, thereby performances such as assurance engine power performance, fuel its usage economy, reliability are given full play to;
3. electronic injection timing controlling device of the present invention, the associated components size reduces, and the constraint of spatial position is avoided in the installation position, helps diesel engine regular maintenance and repairing, realizes that easily diesel engine performance detects and fault diagnosis functions;
4. electronic injection timing controlling device of the present invention, problems such as the storage of diesel engine operation and detection data and transmission are able to solve, and are convenient to scientific management and use.
Description of drawings
Fig. 1 is the structural representation of electronic injection timing controlling device of the present invention.
Mark among the figure: the 1-case, the 2-safety cover, the 3-combination seal, the 4-push rod shaft, 5-lining dish, 6-promotes flange, the 7-fastening flange, the 8-axle, 9-end cap 10-first mounting plate, the 11-nut, the 12-spring washer,
The 13-controlling rod, the 14-pointer, 15-second mounting plate, 16-adjusts plate, 17-O RunddichtringO one; The 18-elastic cylindrical pin, 19-plug screw one, 20-plug screw two, 21-position limit switch; The 22-speed reducer, 23-plain washer, 24-spring washer, 25-hexagon nut; 26-spring washer one, 27-Cross Recess Head Screw, 28-key
29-spring washer two, 30-O RunddichtringO three, 31-be near switch, 32-bearing sleeve, 33-lubricating cup, 34,35, the 36-hexagon socket cap head screw, 37 hexagon head bolts, 38, the 39-hexagon socket cap head screw, 40-spline housing, 41-spline, 42-camshaft.
Embodiment
Below in conjunction with accompanying drawing, the present invention is done detailed explanation.
In order to make the object of the invention, technological scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
As shown in Figure 1, electronic injection timing controlling device of the present invention comprises case 11; Case 1 is fixed on the body of DENG, and is fixed with end cap 9 on the case 1, forms sealing configuration; Be provided with axle 8 and push rod shaft 4 in the said case 1, an end of said push rod shaft 4 is placed in the axle 8, and axle 8 is connected with engine cam 42; And be connected through oblique spline between axle 8 and the camshaft 42, make to relatively rotate and move between axle 8 and the camshaft 42, so this is that spline housing 40 is arranged on spools 8; Camshaft 42 is provided with the spline 41 that cooperates with spline housing 40, makes to change into the rotation of camshaft 42 by the mobile of axle 8; Be connected with on the said push rod shaft 4 and promote flange 6, be connected with fastening flange 7 on the said axle 8, said push rod shaft 4 is passed fastening flange 7; And promote flange 6 flange 7 that is fixed and be limited in the axle 8, can relatively rotate between said promotion flange 6 and the fastening flange 7, said push rod shaft 4 is connected on the speed reducer 22; This speed reducer 22 is arranged on the case 1, and the rotation of speed reducer 22 control push rod shaft 4, is oblique spline fitted between said push rod shaft 4 and the case 1; Make push rod shaft 4 can be equivalent to case 1 rotation and mobile, the mobile pushing shaft 8 of said push rod shaft 4 moves, and the both sides of said promotion flange 6 are provided with lining dish 5; And be individually fixed in axle 8 inner with fastening flange 7 on, adjustment axle 8 and promote between the flange 6, the spacing between fastening flange 7 and the promotion flange 6, assurance push rod shaft 4 is when pushing shaft 8 moves forward and backward quickly and easily; When push rod shaft 4 and axle relatively rotate between 8, friction can not take place and wear and tear.Be connected with controlling rod 13 on the said push rod shaft 4; The side of said controlling rod 13 is provided with position limit switch 21; Match with position limit switch 21 in the outside of said controlling rod 13, the displacement distance of restriction push rod shaft 4, and said position limit switch 21 is connected on the control system; Said push rod shaft 4 is provided with pointer 14, indication push rod shaft 4 rotational position.On end cap 9, be connected with first mounting plate 10; First mounting plate 10 is provided with adjustment plate 16; Adjustment plate 16 is provided with second mounting plate 15, and said position limit switch 21 is installed on second mounting plate 15, and the outer side contacts of the contact of position limit switch 21 and controlling rod 13; In recessed within it section, the displacement distance of restriction push rod shaft 4.Electronic injection timing controlling device of the present invention; The outside at controlling rod 13 is covered with cover cap, thereby forms sealing mechanism; Between case 1 and the push rod shaft 4, push rod shaft 4 and axle be provided with oil line pipe between 8; And be sealed and matched through oil pressure, therefore need between each parts, sealing be set, thereby avoid the friction and wear between push rod shaft 4 and case 1, push rod shaft 4 and the axle 8.
Electronic injection timing controlling device of the present invention, simple in structure, easy to use, noise free and pollution; Can realize multi-functional automatic adjusting, thereby performances such as assurance engine power performance, fuel its usage economy, reliability are given full play to; The associated components size reduces, and the constraint of spatial position is avoided in the installation position, helps diesel engine regular maintenance and repairing, realizes that easily diesel engine performance detects and fault diagnosis functions; Problems such as the storage of diesel engine operation and detection data and transmission are able to solve, and are convenient to scientific management and use.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. electronic injection timing controlling device is characterized in that: it comprises case (1), is provided with axle (8) and push rod shaft (4) in the said case (1); One end of said push rod shaft (4) is placed in the axle (8); And relatively rotate with axle (8), said push rod shaft (4) is connected on the speed reducer (22), receives speed reducer (22) to control its rotation; The rotation of said push rod shaft (4) makes it mobile with respect to case (1), and said axle (8) moves with push rod shaft (4).
2. electronic injection timing controlling device as claimed in claim 1; It is characterized in that: be connected with on the said push rod shaft (4) and promote flange (6); Be connected with fastening flange (7) on the said axle (8); Said push rod shaft (4) is passed fastening flange (7), and promotes flange (6) flange (7) that is fixed and be limited in the axle (8), can relatively rotate between said promotion flange (6) and the fastening flange (7).
3. electronic injection timing controlling device as claimed in claim 2; It is characterized in that: the both sides of said promotion flange (6) are provided with lining dish (5); And be individually fixed in axle (8) inner with fastening flange (7) on, the spacing between adjustment axle (8) and the promotion flange (6), between fastening flange (7) and the promotion flange (6).
4. electronic injection timing controlling device as claimed in claim 1 is characterized in that: said axle (8) is connected on the camshaft (42) of motor away from an end of push rod shaft (4), and passes through spline fitted between axle (8) and the camshaft (42).
5. like claim 1 or 2 or 3 or 4 described electronic injection timing controlling devices; It is characterized in that: be spline fitted between said push rod shaft (4) and the case (1); Make push rod shaft (4) can be equivalent to case (1) and rotate, and push rod shaft (4) can move with respect to case (1) when rotating.
6. like claim 1 or 2 or 3 or 4 described electronic injection timing controlling devices; It is characterized in that: be connected with controlling rod (13) on the said push rod shaft (4); The side of said controlling rod (13) is provided with position limit switch (21), and said position limit switch (21) is connected on the control system.
7. electronic injection timing controlling device as claimed in claim 6 is characterized in that: match with position limit switch (21) in the outside of said controlling rod (13), the displacement distance of restriction push rod shaft (4).
8. like claim 1 or 2 or 3 or 4 or 7 described electronic injection timing controlling devices, it is characterized in that: said push rod shaft (4) is provided with pointer (14), the steering position of indication push rod shaft (4) and axle (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110333333.2A CN102392741B (en) | 2011-10-28 | 2011-10-28 | Electric fuel-injection timing regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110333333.2A CN102392741B (en) | 2011-10-28 | 2011-10-28 | Electric fuel-injection timing regulating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102392741A true CN102392741A (en) | 2012-03-28 |
| CN102392741B CN102392741B (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110333333.2A Expired - Fee Related CN102392741B (en) | 2011-10-28 | 2011-10-28 | Electric fuel-injection timing regulating device |
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| Country | Link |
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| CN (1) | CN102392741B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2131983Y (en) * | 1992-05-09 | 1993-05-05 | 中国科学院长春光学精密机械研究所 | Harmonic phase regulator for variable cam of distribution machinery |
| JPH07189624A (en) * | 1993-12-13 | 1995-07-28 | Miljenko Schiattino | Overlap or timing of valve and automatic changer for valve cross section |
| US6240906B1 (en) * | 2000-02-18 | 2001-06-05 | Timing Systems, Inc. | Fuel injection timing system |
| CN2718240Y (en) * | 2003-12-03 | 2005-08-17 | 广西玉柴机器股份有限公司 | Diesel oil engine fuel pump driving device |
| CN2874036Y (en) * | 2005-12-19 | 2007-02-28 | 玉环县新新机械有限公司 | Built-in slope wedge type oil supply angle automatic advancing device |
| CN201129215Y (en) * | 2007-12-25 | 2008-10-08 | 中国北车集团大连机车车辆有限公司 | Converting device for electronic speed-regulator for diesel engine to replace mechanical speed regulating device interface |
| CN201246219Y (en) * | 2008-09-05 | 2009-05-27 | 陶烈 | Electric servo speed reducer |
| CN202360228U (en) * | 2011-10-28 | 2012-08-01 | 唐建国 | Electric injection timing adjusting device |
-
2011
- 2011-10-28 CN CN201110333333.2A patent/CN102392741B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2131983Y (en) * | 1992-05-09 | 1993-05-05 | 中国科学院长春光学精密机械研究所 | Harmonic phase regulator for variable cam of distribution machinery |
| JPH07189624A (en) * | 1993-12-13 | 1995-07-28 | Miljenko Schiattino | Overlap or timing of valve and automatic changer for valve cross section |
| US6240906B1 (en) * | 2000-02-18 | 2001-06-05 | Timing Systems, Inc. | Fuel injection timing system |
| CN2718240Y (en) * | 2003-12-03 | 2005-08-17 | 广西玉柴机器股份有限公司 | Diesel oil engine fuel pump driving device |
| CN2874036Y (en) * | 2005-12-19 | 2007-02-28 | 玉环县新新机械有限公司 | Built-in slope wedge type oil supply angle automatic advancing device |
| CN201129215Y (en) * | 2007-12-25 | 2008-10-08 | 中国北车集团大连机车车辆有限公司 | Converting device for electronic speed-regulator for diesel engine to replace mechanical speed regulating device interface |
| CN201246219Y (en) * | 2008-09-05 | 2009-05-27 | 陶烈 | Electric servo speed reducer |
| CN202360228U (en) * | 2011-10-28 | 2012-08-01 | 唐建国 | Electric injection timing adjusting device |
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| CN102392741B (en) | 2015-04-29 |
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Free format text: FORMER OWNER: GUO LIN TENG CHAO Effective date: 20150807 Owner name: ZIYANG SHUDA TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: TANG JIANGUO Effective date: 20150807 |
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Effective date of registration: 20150807 Address after: Ziyang City, Sichuan province 641301 city road three No. 568 Patentee after: Ziyang Shuda Technology Co., Ltd. Address before: 641300 Ziyang City, Sichuan province Yanjiang District No. 568 city road three Patentee before: Tang Jianguo Patentee before: Guo Lin Patentee before: Teng Chao |
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Granted publication date: 20150429 Termination date: 20191028 |