CN106968813A - A kind of VE dispensing pumps governing system and its speed regulating method - Google Patents
A kind of VE dispensing pumps governing system and its speed regulating method Download PDFInfo
- Publication number
- CN106968813A CN106968813A CN201710110150.1A CN201710110150A CN106968813A CN 106968813 A CN106968813 A CN 106968813A CN 201710110150 A CN201710110150 A CN 201710110150A CN 106968813 A CN106968813 A CN 106968813A
- Authority
- CN
- China
- Prior art keywords
- governor spring
- speed
- sliding sleeve
- governing
- reel cage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
- F02D29/06—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving electric generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D31/00—Use of speed-sensing governors to control combustion engines, not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
- F02D2200/101—Engine speed
Abstract
The invention discloses a kind of VE dispensing pumps governing system and its speed regulating method, system includes the pump housing and the speed regulator being fixed on the pump housing, the same side that the speed regulator includes being located on speed governing reel cage and the governor spring being connected on speed regulator reel cage, speed regulator reel cage governor spring is provided with a hydraulic pressure auxiliary telescopic mechanism.Present invention utilization hydraulic pressure auxiliary telescopic mechanism cooperates with cushioning effect with existing governor spring, make speed regulator steady operation, the presence of hydraulic pressure auxiliary telescopic mechanism, auxiliary governor spring is set only to be worked in rotation speed change, ensure speed regulator steady operation, when diesel engine speed is stable, auxiliary governor spring does not work, only governor spring works, and realizes than relatively low speed change rate.
Description
Technical field
The present invention relates to a kind of VE dispensing pumps governing system.
Background technology
Speed change rate be evaluate speed regulator important indicator, it refer to diesel engine by full load drop to zero meet when rotating speed phase
To variation relation, generator requires the speed change rate of diesel engine 3%, when such diesel engine meets change, engine speed change
It is small, so that the dot frequency change that generator is sent is smaller.
Tradition machinery VE pump speed change rates typically accomplish 8%, further reduce speed change rate it is necessary to from the smaller speed governing of rigidity
Spring, governor spring rigidity is too small, can make speed regulator bad stability, and engine governed speed section rotary speed unstabilization is determined.
The content of the invention
In view of the above-mentioned problems, it is an object of the invention to provide a kind of servicing unit, it is allowed to which VE pumps mechanical governor is from small
Rigidity governor spring, realize 2% speed change rate, meet requirement of the generator to speed change rate.
To achieve the above object, the present invention takes following technical scheme：
A kind of VE dispensing pumps governing system, including the pump housing and the speed regulator that is fixed on the pump housing, the speed regulator shake including speed governing
On frame and the governor spring being connected on speed regulator reel cage, speed regulator reel cage a hydraulic pressure is provided with positioned at the same side of governor spring
Auxiliary telescopic mechanism, including：Fixed support, steady pin, hydraulic damping sliding sleeve, damping piston and auxiliary governor spring, wherein,
Fixed support is fixed on the pump housing, and hydraulic damping sliding sleeve has a blind end and an openend, and the blind end passes through solid
Rationed marketing is connected with fixed support, and hydraulic damping sliding sleeve can be relatively fixed pin rotation；Close to blind end on hydraulic damping sliding sleeve
Side side wall be provided with the throttle orifice passed through for diesel oil, damping piston is arranged in hydraulic damping sliding sleeve, the auxiliary governor
One end of spring puts in hydraulic damping sliding sleeve and is fixedly connected with damping piston, and the other end stretches out hydraulic damping sliding sleeve and shaken with speed governing
Frame is mutually fixed.
The spring connecting seat for being used for connecting auxiliary governor spring is provided with the speed governing reel cage positioned at the lower section of governor spring.
The rigidity of the governor spring and the rigidity sum of auxiliary governor spring are more than 0.6N/mm.
The fixed support, which is provided with positioning hole, positioning hole when preventing that fixed support from assembling by flying block backing pin, to be turned
It is dynamic.
The invention also discloses a kind of speed regulating method of VE dispensing pumps governing system, filled during work inside and outside hydraulic damping sliding sleeve
Full diesel oil, when diesel engine speed is raised, the support force for acting on governing system becomes big, and speed governing reel cage increases to governor spring power
X-direction is moved, and is worked moment in governor spring, is come not in the chamber that the blind end and damping piston of hydraulic damping sliding sleeve are surrounded
And full of diesel oil, damping piston position is slowly varying, and now auxiliary governor spring and governor spring are concured, and shake speed governing
Frame is steady to move to oil mass reduction direction；
In the chamber that the blind end and damping piston for constantly entering hydraulic damping sliding sleeve by throttle orifice with diesel oil are surrounded, damping
Piston is gradually moved to X-direction, and auxiliary governor spring is damped piston compression, and the active force of auxiliary governor spring tension gradually subtracts
It is small, moved while speed governing reel cage further reduces direction to distributive value, the blind end and damping piston of final hydraulic damping sliding sleeve
Oil is rushed in the chamber surrounded to terminate, now auxiliary governor spring does not work, only governor spring in action, makes speed governing reel cage
In a stable oil mass position.
The present invention is due to taking above technical scheme, and it has advantages below：
A kind of VE dispensing pumps governing system of the present invention and its speed regulating method, newly increase a hydraulic pressure auxiliary telescopic mechanism, by solid
Fixed rack is fixed on the pump housing, and auxiliary governor spring one end is fixed on damping piston, and one end is fixed on speed governing reel cage.Utilize
The cushioning effect of hydraulic pressure auxiliary telescopic mechanism, makes speed regulator steady operation.The presence of hydraulic pressure auxiliary telescopic mechanism, makes auxiliary governor
Spring only works in rotation speed change, it is ensured that speed regulator steady operation, and when diesel engine speed is stable, auxiliary governor spring is not
Work, only governor spring works, realize than relatively low speed change rate.
Simple in construction, cost of the invention is low, it is easy to installs, realizes the low-key speed of VE pumps, and meeting generator performance will
Ask.
Brief description of the drawings
Fig. 1 is VE pump governing system hydraulic pressure auxiliary telescopic mechanism structure figures；
Fig. 2 is auxiliary governor spring and governor spring assembly relation；
Fig. 3 is VE pumps governing system and accessory system installation diagram；
Fig. 4 be after increase auxiliary governor mechanism with original governing system oil pump speed governing curve comparison diagram；
Wherein, 1 is the pump housing；2 be speed governing reel cage；3 be idle spring；4 be spring hanging seat；5 be governor spring；6 be hydraulic damping
Sliding sleeve；7 be damping piston；8 be auxiliary governor spring；9 be throttle orifice；10 be fixed support；11 be steady pin；12 be winged block
Backing pin；13 be outer-hexagonal bolts；14 be speed regulator fixing screws；15 be speed regulator.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, Figure 2 and Figure 3, on the basis of the invention relative to existing VE dispensing pumps speed regulator, newly increase
One hydraulic pressure auxiliary telescopic mechanism, including：Fixed support 10, steady pin 11, hydraulic damping sliding sleeve 6, damping piston 7 and auxiliary
Governor spring 8, wherein, fixed support 10 is fixed on the pump housing 1 by outer-hexagonal bolts, and the position of outer-hexagonal bolts 13 is in speed governing
A positioning hole is additionally provided with the backing pin right opposite of reel cage 2, fixed support 10, fixed support 10 is prevented by flying block backing pin 12
Rotated during assembling.
Hydraulic damping sliding sleeve 6 is fixed on fixed support 10 by steady pin 11, and hydraulic damping sliding sleeve 6 can be in steady pin
Flexible rotating on 11.
The one end of auxiliary governor spring 8 is fixed on damping piston 7, and the other end is fixed on VE pump speed governing reel cages.
The speed regulating method of VE dispensing pumps governing system of the present invention, hydraulic damping sliding sleeve 6 is inside and outside during work is full of diesel oil, diesel oil
When machine rotating speed is raised, the support force for acting on governing system becomes big, and the X-direction that speed governing reel cage 2 increases to the power of governor spring 5 is transported
It is dynamic, worked moment in governor spring 5, have little time to fill in the chamber that the blind end and damping piston 7 of hydraulic damping sliding sleeve 6 are surrounded
Full diesel oil, the position of damping piston 7 is slowly varying, and now auxiliary governor spring 8 and governor spring 5 are concured, and shake speed governing
Frame 2 is steady to move to oil mass reduction direction；
In the chamber that the blind end and damping piston 7 for constantly entering hydraulic damping sliding sleeve 6 by throttle orifice 9 with diesel oil are surrounded,
Damping piston 7 is gradually moved to X-direction, and auxiliary governor spring 8 reduces with the movement of damping piston 7, length, auxiliary governor
Bullet, the active force of 8 tensions is gradually reduced, and the length elongation of governor spring 5, and pulling force gradually increases, while speed governing reel cage 2 is further
Reduce direction to distributive value to move, the interior punching oil of chamber that the blind end and damping piston 7 of final hydraulic damping sliding sleeve 6 are surrounded is tied
Beam, now auxiliary governor spring 8 do not work, only governor spring 5 in action, makes speed governing reel cage 2 be in stable one
Oil mass position.
Fig. 4 for after increase auxiliary governor mechanism with original governing system oil pump speed governing curve, as shown in figure 4, oil pump power
Point 750rpm, oil pump speed governing end oil mass declines slowly, and highest idle running oil mass is 815rpm, and speed change rate is 8.7%, increase auxiliary tune
Speed system and with changing after 0.2N/mm rigidity governor springs, oil pump speed governing section oil mass declines rapid, highest idle running oil mass correspondence rotating speed
For 770rpm, speed change rate is 2.7%, meets the requirement of generator speed change rate 3%.
Claims (5)
1. a kind of VE dispensing pumps governing system, including the pump housing and the speed regulator that is fixed on the pump housing, the speed regulator includes speed governing
Reel cage and the governor spring being connected on speed regulator reel cage, it is characterised in that positioned at the same of governor spring on speed regulator reel cage
Side is provided with a hydraulic pressure auxiliary telescopic mechanism, including：Fixed support, steady pin, hydraulic damping sliding sleeve, damping piston and auxiliary
Governor spring, wherein, fixed support is fixed on the pump housing, and hydraulic damping sliding sleeve has a blind end and an openend, institute
Blind end is stated to be connected with fixed support by steady pin, and hydraulic damping sliding sleeve can be relatively fixed pin rotation；Hydraulic damping is slided
The side side wall put close to blind end is provided with the throttle orifice passed through for diesel oil, and damping piston is arranged at hydraulic damping sliding sleeve
Interior, one end of the auxiliary governor spring is put in hydraulic damping sliding sleeve to be fixedly connected with damping piston, and the other end stretches out hydraulic pressure
Damping sliding sleeve is mutually fixed with speed governing reel cage.
2. VE dispensing pumps governing system according to claim 1, it is characterised in that be located at speed governing bullet on the speed governing reel cage
The lower section of spring is provided with the spring connecting seat for being used for connecting auxiliary governor spring.
3. VE dispensing pumps governing system according to claim 1, it is characterised in that the rigidity and auxiliary of the governor spring
The rigidity sum of governor spring is more than 0.6N/mm.
4. VE dispensing pumps governing system according to claim 1, it is characterised in that the fixed support is provided with positioning
Rotated in hole, positioning hole by flying when block backing pin prevents that fixed support from assembling.
5. a kind of speed regulating method based on VE dispensing pumps governing system described in claim 1, it is characterised in that hydraulic pressure hinders during work
Buddhist nun's sliding sleeve is inside and outside to be full of diesel oil, when diesel engine speed is raised, and the support force for acting on governing system becomes big, and speed governing reel cage is to speed governing
The X-direction motion of spring force increase, works moment, the blind end and damping piston of hydraulic damping sliding sleeve are surrounded in governor spring
Chamber in have little time to be full of diesel oil, damping piston position is slowly varying, and now auxiliary governor spring and governor spring rise jointly
Effect, makes speed governing reel cage steady and is moved to oil mass reduction direction；
In the chamber that the blind end and damping piston for constantly entering hydraulic damping sliding sleeve by throttle orifice with diesel oil are surrounded, damping
Piston is gradually moved to X-direction, and auxiliary governor spring is damped piston compression, and the active force of auxiliary governor spring tension gradually subtracts
It is small, moved while speed governing reel cage further reduces direction to distributive value, the blind end and damping piston of final hydraulic damping sliding sleeve
Oil is rushed in the chamber surrounded to terminate, now auxiliary governor spring does not work, only governor spring in action, makes speed governing reel cage
In a stable oil mass position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710110150.1A CN106968813A (en) | 2017-02-28 | 2017-02-28 | A kind of VE dispensing pumps governing system and its speed regulating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710110150.1A CN106968813A (en) | 2017-02-28 | 2017-02-28 | A kind of VE dispensing pumps governing system and its speed regulating method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106968813A true CN106968813A (en) | 2017-07-21 |
Family
ID=59329010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710110150.1A Pending CN106968813A (en) | 2017-02-28 | 2017-02-28 | A kind of VE dispensing pumps governing system and its speed regulating method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106968813A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH306145A (en) * | 1949-08-22 | 1955-03-31 | Lucas Ltd Joseph | Hydraulic speed regulator for prime movers. |
| US3915140A (en) * | 1974-03-20 | 1975-10-28 | Caterpillar Tractor Co | Governor with stabilizing means |
| CN85205543U (en) * | 1985-12-18 | 1986-10-15 | 湖南大学 | Governor for diesel |
| US4649879A (en) * | 1984-06-30 | 1987-03-17 | Robert Bosch Gmbh | RPM governor for fuel injection pumps |
| CN2324295Y (en) * | 1997-02-26 | 1999-06-16 | 江苏江淮动力机厂 | Control speed regulating mechanism for throttle of diesel engine |
| JPH11182265A (en) * | 1997-12-24 | 1999-07-06 | Kubota Corp | Fuel limiting device for diesel engine |
| US20020096141A1 (en) * | 2000-11-13 | 2002-07-25 | Bootle Geoffrey D. | Governor |
| US20040112333A1 (en) * | 2002-12-12 | 2004-06-17 | Robert Mitchell | Governor stabilizer |
| CN2825975Y (en) * | 2005-03-02 | 2006-10-11 | 江西汇尔油泵油嘴有限公司 | Multipurpose speed regulator for oil injection pump of diesel engine |
| CN205330852U (en) * | 2015-12-11 | 2016-06-22 | 九江汇铃油泵油咀有限公司 | Distribution rotor formula high -pressure oil pump's piston hydraulic damping stable structure |
| CN106194438A (en) * | 2016-07-19 | 2016-12-07 | 江西汇尔油泵油嘴有限公司 | A kind of method and system solving injection pump of engine assembly tourist bus |
| CN206694125U (en) * | 2017-02-28 | 2017-12-01 | 南京威孚金宁有限公司 | A kind of VE dispensing pumps auxiliary governor system |
-
2017
- 2017-02-28 CN CN201710110150.1A patent/CN106968813A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH306145A (en) * | 1949-08-22 | 1955-03-31 | Lucas Ltd Joseph | Hydraulic speed regulator for prime movers. |
| US3915140A (en) * | 1974-03-20 | 1975-10-28 | Caterpillar Tractor Co | Governor with stabilizing means |
| US4649879A (en) * | 1984-06-30 | 1987-03-17 | Robert Bosch Gmbh | RPM governor for fuel injection pumps |
| CN85205543U (en) * | 1985-12-18 | 1986-10-15 | 湖南大学 | Governor for diesel |
| CN2324295Y (en) * | 1997-02-26 | 1999-06-16 | 江苏江淮动力机厂 | Control speed regulating mechanism for throttle of diesel engine |
| JPH11182265A (en) * | 1997-12-24 | 1999-07-06 | Kubota Corp | Fuel limiting device for diesel engine |
| US20020096141A1 (en) * | 2000-11-13 | 2002-07-25 | Bootle Geoffrey D. | Governor |
| US20040112333A1 (en) * | 2002-12-12 | 2004-06-17 | Robert Mitchell | Governor stabilizer |
| CN2825975Y (en) * | 2005-03-02 | 2006-10-11 | 江西汇尔油泵油嘴有限公司 | Multipurpose speed regulator for oil injection pump of diesel engine |
| CN205330852U (en) * | 2015-12-11 | 2016-06-22 | 九江汇铃油泵油咀有限公司 | Distribution rotor formula high -pressure oil pump's piston hydraulic damping stable structure |
| CN106194438A (en) * | 2016-07-19 | 2016-12-07 | 江西汇尔油泵油嘴有限公司 | A kind of method and system solving injection pump of engine assembly tourist bus |
| CN206694125U (en) * | 2017-02-28 | 2017-12-01 | 南京威孚金宁有限公司 | A kind of VE dispensing pumps auxiliary governor system |
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