CN202047900U - Fuel feed control device - Google Patents
Fuel feed control device Download PDFInfo
- Publication number
- CN202047900U CN202047900U CN2011201211389U CN201120121138U CN202047900U CN 202047900 U CN202047900 U CN 202047900U CN 2011201211389 U CN2011201211389 U CN 2011201211389U CN 201120121138 U CN201120121138 U CN 201120121138U CN 202047900 U CN202047900 U CN 202047900U
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- Prior art keywords
- injection pump
- oil
- supporting element
- controlling
- pump
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- High-Pressure Fuel Injection Pump Control (AREA)
Abstract
A fuel feed control device is used for controlling fuel spray amount of a fuel injection pump provided with a fuel injection pump rack. The fuel feed control device comprises a drive part, a support component and a hydraulic control push post, wherein the drive part is provided with a drive shaft, the support component comprises a support and a fuel pump support part movably connected with the support, the support is fixedly connected with the drive part, the fuel pump support part is fixedly connected with the fuel injection pump, and the fuel pump support part is capable of moving relative to the support so as to adjust the distance between the drive part and the fuel injection pump. The hydraulic control push post is fixedly connected with the drive shaft and capable of pushing the fuel injection pump rack. The distance between the drive part and the fuel injection pump can be changed to change the distance between the drive part and the fuel injection pump rack, so that an initial position of the drive part can be adjusted according to specific positions of fuel injection pump racks of different types of fuel injection pumps. Therefore, the fuel feed control device can be used for controlling a plurality of types of fuel injection pumps.
Description
[technical field]
The utility model relates to a kind of device, particularly a kind of oil mass apparatus for controlling of supply.
[background technique]
At present on the duel fuel engine of diesel oil and substitute fuel mixed combustion, the oil mass apparatus for controlling of supply of control diesel fuel injection pump fuel injection quantity mainly is made of with parts such as amplitude modulation part and supports actuator, action conversion, the ECU (Electrical Control Unit) of dual-fuel control system is regulated actuator and is changed the feeding that realizes regulating the Injection Pump fuel injection quantity with the amplitude modulation part by moving according to engine operating condition.Because the automobile model is various, Injection Pump self tooth bar is unequal to the distance of pump housing end face, the effect stroke difference of oil mass apparatus for controlling of supply on the control fuel injection quantity, thereby a kind of control gear can not adapt to multiple Injection Pump.
[model utility content]
Based on this, be necessary to provide a kind of oil mass apparatus for controlling of supply that can adapt to multiple model Injection Pump.
A kind of oil mass apparatus for controlling of supply is used to control the fuel injection quantity of Injection Pump, and Injection Pump has an injection pump rack.This oil mass apparatus for controlling of supply comprises:
Actuator has a live axle;
Supporting component comprises that bearing reaches and the movable oil pump supporting element that is connected of bearing, and bearing is fixedlyed connected with actuator, and the oil pump supporting element is fixedlyed connected with Injection Pump, and the oil pump supporting element can move with respect to bearing, to regulate the distance between actuator and the Injection Pump;
Oil control pushes away post and fixedlys connected with live axle and can promote injection pump rack.By the distance between change actuator and the Injection Pump, and then the distance between change actuator and the injection pump rack, make the oil mass apparatus for controlling of supply can adapt to the Injection Pump of multiple model.
Further, bearing is an axle sleeve, and its two ends are sheathed on respectively on actuator and the oil pump supporting element, and live axle is arranged in the bearing.Actuator, support, bracket of oil pump and Injection Pump constitute a closed cavity.Live axle can to-and-fro motion in closed cavity.
Further, the oil pump supporting element is a cylindrical shell, is located on the Injection Pump.The outer side surface of oil pump supporting element is provided with outside thread, and the oil mass apparatus for controlling of supply also comprises the locking nut that is sheathed on the oil pump supporting element and offsets with the free end of bearing.Tighten nut can make bearing and being connected of oil pump supporting element more firm, can not make the joint of bearing and oil pump supporting element that dislocation or distortion take place because the pressure of actuator is excessive.
Further, offer the injection pump rack tapped hole on the Injection Pump, injection pump rack is contained in the injection pump rack tapped hole, and the oil pump supporting element is screwed away from an end and the injection pump rack tapped hole of bearing.
Further, the oil pump supporting element is provided with the projection that stops of the annular that connects with described Injection Pump away from an end of described bearing.Stop projection can be better fixing oil pump supporting element, prevent because the pressure effect, make the oil pump supporting element come off or be shifted from Injection Pump.
Further, the free end that oil control pushes away post is provided with annular boss, annular boss in the oil pump supporting element slidably.Annular boss and oil pump supporting element madial wall point face are tangent, have reduced force of sliding friction, have improved efficient, have reduced the wearing and tearing of device.
Further, actuator is linear electric motor.Linear electric motor can straight line motion, and live axle contacts with injection pump rack, avoided and other elements between wearing and tearing, more direct control injection pump rack has improved mechanical efficiency.
Further, the stroke of the stroke of live axle and injection pump rack is 1: 1 a relation.More directly the distance between controlling and driving axle and the injection pump rack has been avoided complex calculation and derivation, has improved control efficiency.
Further, actuator is a stepper motor, and live axle pushes away post by nut, leading screw with the oil control and is connected.
Further, actuator is a stepper motor, and live axle realizes that by the worm and gear structure pushing away post with the oil control is connected.
Rotatablely moving of stepper motor can be changed into the straight line motion of live axle, thereby reach the effect of the fuel injection quantity of control Injection Pump.
[description of drawings]
Fig. 1 is the sectional view of embodiment one oil mass apparatus for controlling of supply.
[embodiment]
As shown in Figure 1, a kind of oil mass apparatus for controlling of supply 100 is used to control the fuel injection quantity of Injection Pump 160, and Injection Pump 160 has an injection pump rack 170.Oil mass apparatus for controlling of supply 100 comprises that actuator 110, supporting component (figure is mark not) and oil control push away post 150.
Actuator 110 has a live axle 112, and actuator 110 can be linear electric motor, telescopic cylinder etc.Specifically in the present embodiment, actuator 110 is linear electric motor.Live axle 112 can stretch out, shrinks or keep, thereby change the distance between live axle 112 and the injection pump rack 170, live axle 112 drives the oil control and pushes away post 150 straight line motions, the oil control pushes away post 150 and can or separate with injection pump rack 170 contacts, thereby reaches the effect of the fuel injection quantity of control Injection Pump 160.
Can be understood as, in other embodiments, actuator 110 can also be stepper motor (figure is mark not), live axle 112 pushes away post 150 with the oil control and is connected by nut (figure is mark not), leading screw (figure is mark not), when nut during as active body, leading screw will change into straight line motion according to the helical pitch of corresponding specification with the rotation angle of nut, and the oil control pushes away post 150 and is connected with leading screw, thereby realizes the oily straight line motion that pushes away post 150 of controlling.The oil control pushes away post 150 and can or separate with injection pump rack 170 contacts, thereby reaches the effect of the fuel injection quantity of control Injection Pump 160.
In other embodiments, actuator 110 can also be stepper motor (figure is mark not), live axle 112 is realized pushing away being connected of post 150 with the oil control by the structure of worm and gear (figure is mark not), worm and gear is converted to the straight line motion that the oil control pushes away post 150 with rotatablely moving of live axle 112, the oil control pushes away post 150 and can or separate with injection pump rack 170 contacts, thereby reaches the effect of the fuel injection quantity of control Injection Pump 160.
Supporting component (figure is mark not) comprises that bearing 120 reaches and the bearing 120 movable oil pump supporting elements 140 that are connected.Bearing 120 is fixedlyed connected with actuator 110, and oil pump supporting element 140 is fixedlyed connected with Injection Pump 160.Actuator 110, support 120, bracket of oil pump 140 and Injection Pump 160 constitute a closed cavity.Live axle 112 can to-and-fro motion in closed cavity.Oil pump supporting element 140 can move with respect to bearing 120, to regulate the distance between actuator 110 and the Injection Pump 160.
Bearing 120 is an axle sleeve, and its two ends are sheathed on respectively on actuator 110 and the oil pump supporting element 140, and live axle 112 wears bearing 120.One end of bearing 120 is connected by bolt 121 with actuator 110, and the other end of bearing 120 is free end (figure is a mark not).Support 120 inboards are provided with internal thread (figure is mark not).
Oil pump supporting element 140 is a cylindrical shell, is located on the Injection Pump 160.The annular that oil pump supporting element 140 and Injection Pump 160 connect stop projection 142.The outer side surface of oil pump supporting element 140 is provided with outside thread (figure is mark not).Bearing 120 is fixedlyed connected by internal and external screw thread (figure is mark not) with oil pump supporting element 140.
Oil mass apparatus for controlling of supply 100 also comprises the locking nut 130 that is sheathed on the oil pump supporting element 140 and offsets with the free end (figure is mark) of bearing 120.Tighten the free end (figure is mark not) of nut 130 fixedly connected bearings 120 and the free end (figure is mark not) of oil pump supporting element 140, make connection more firm, can not make the joint of bearing 120 and oil pump supporting element 140 that dislocation or distortion take place because the pressure of actuator 110 is excessive.
Be appreciated that above-mentioned locking nut 130 can omit, or have by other fixing device replacements.When locking nut 130 omits, be formed with outside thread on the outer surface of oil pump supporting element 140, be formed with internal thread on the inwall of bearing 120, backing pump supporting element 140 is to regulate the relative position of oil pump supporting element 140 and bearing 120.
Oil control pushes away post 150 and fixedlys connected with live axle 112 and can promote injection pump rack 170.The oil control pushes away post 150 1 ends and is connected with live axle 112, and the other end that the oil control pushes away post 150 is free end (figure is a mark not).Free end (figure is mark not) can promote injection pump rack 170.Oil pump supporting element 140 can move with respect to bearing 120, can the backing pump supporting element 140 with bearing 120, by the distance between position regulation actuator 110 and the Injection Pump 160 of screwing togather of internal and external screw thread.The free end (figure is mark not) that the oil control pushes away post 150 is provided with annular boss 152, and annular boss 152 slides in oil pump supporting element 140.Annular boss 152 is tangent with oil pump supporting element 140 madial wall point faces, has reduced force of sliding friction, has improved efficient, has reduced the wearing and tearing of device.Be appreciated that above-mentioned internal and external screw thread can omit, or replace by the slide device.
Offer injection pump rack tapped hole 162 on the Injection Pump 160, injection pump rack 170 is contained in the injection pump rack tapped hole 162, and oil pump supporting element 140 is screwed away from 120 1 ends and the injection pump rack tapped hole 162 of bearing.What an end that is screwed of oil pump supporting element 140 was provided with the annular that connects with Injection Pump 160 stops projection 142.Stop projection 142 can be better fixing oil pump supporting element 140, prevent because the pressure effect, make oil pump supporting element 140 come off or be shifted from Injection Pump 160.
The live axle of actuator 120 is 112 extended, shrink or keep, and the stroke of the stroke of live axle 112 and injection pump rack 170 is 1: 1 relation, to control the fuel injection quantity of Injection Pump easily.
When motor converted the double fuel mode of operation to, system electric-controlled unit checked engine speed, if rotating speed during less than the supply substitute fuel rotating speed set, actuator 110 is awaited orders, and motor is still used pure diesel oil work.When rotating speed reaches setting supply substitute fuel rotating speed, the live axle 112 of ECU (Electrical Control Unit) controlling and driving part 110 stretches out, directly promote the fuel injection quantity that injection pump rack 170 makes its restriction Injection Pump 160, meanwhile, ECU (Electrical Control Unit) control substitute fuel injection apparatus is pressed set amount injection substitute fuel to suction tude.
When needing to regulate engine output, system electric-controlled unit provides the instruction of increase, maintenance or minimizing diesel oil fuel injection quantity according to the double fuel the relation between supply and demand when changing the substitute fuel delivery volume.Actuator 110 is according to instruction, and is live axle is 112 overhanging, keep or retraction, and this action directly contacts injection pump rack 170.The stroke of the stroke of live axle 112 and injection pump rack 170 is 1: 1 a relation.The Injection Pump fuel injection quantity also increases, constant or minimizing.System electric-controlled unit by two kinds of fuel feed adjustment that double fuel supply figure carries out, has been realized the best proportioning of double fuel according to respective sensor information.
Wherein, when Installation and Debugging, injection pump rack 170 length of different automobile types differ, it is the initial position difference, because bearing 120 flexibly connects with oil pump supporting element 140, the position that can screw togather, and the fixing position that changes locking nut 130 by the screw thread on bearing 120 and the oil pump supporting element 140.Owing to can adjust the relative position of bearing 120 and oil pump supporting element 140, the initial position of the actuator 110 of oil mass apparatus for controlling of supply 100 can be set according to the oil pump of different automobile types, realize convenient installation at different automobile types.The driver can be according to the different working environments such as memory space of automobile road conditions with two kinds of fuel, and the realization motor freely switches double fuel mode of operation and pure diesel oil mode of operation, does not influence former car oil feeding mechanism performance, controls the oil mass of Injection Pump flexibly and supply with.It is convenient to install, and convenient debugging is dustproof and safe and reliable, good stability.
The above embodiment has only expressed several mode of execution of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. oil mass apparatus for controlling of supply is used to control the fuel injection quantity of Injection Pump, and described Injection Pump has an injection pump rack, it is characterized in that, described oil mass apparatus for controlling of supply comprises:
Actuator has a live axle;
Supporting component, comprise that bearing reaches and the movable oil pump supporting element that is connected of described bearing, described bearing is fixedlyed connected with described actuator, described oil pump supporting element is fixedlyed connected with described Injection Pump, described oil pump supporting element can move with respect to described bearing, to regulate the distance between described actuator and the described Injection Pump;
The oil control pushes away post, is connected with described live axle also to promote described injection pump rack.
2. oil mass apparatus for controlling of supply according to claim 1 is characterized in that, described bearing is an axle sleeve, and its two ends are sheathed on respectively on described actuator and the described oil pump supporting element, and described live axle is arranged in the described bearing.
3. according to the described oil mass apparatus for controlling of supply of claim 2, it is characterized in that, described oil pump supporting element is a cylindrical shell, described oil pump supporting element is located on the described Injection Pump, the outer side surface of described oil pump supporting element is provided with outside thread, and described oil mass apparatus for controlling of supply also comprises the locking nut that is sheathed on the described oil pump supporting element and offsets with the free end of described bearing.
4. oil mass apparatus for controlling of supply according to claim 3, it is characterized in that, offer the pump rack tapped hole on the described Injection Pump, described injection pump rack is contained in the described injection pump rack tapped hole, and described oil pump supporting element is screwed away from an end and the described injection pump rack tapped hole of described bearing.
5. oil mass apparatus for controlling of supply according to claim 4 is characterized in that, described oil pump supporting element is provided with the projection that stops of the annular that connects with described Injection Pump away from an end of described bearing.
6. oil mass apparatus for controlling of supply according to claim 3 is characterized in that, the free end that described oil control pushes away post is provided with annular boss, described annular boss in described oil pump supporting element slidably.
7. according to each described oil mass apparatus for controlling of supply of claim 1～6, it is characterized in that described actuator is linear electric motor.
8. oil mass apparatus for controlling of supply according to claim 7 is characterized in that, the stroke of described live axle and the stroke of described injection pump rack are 1: 1 relation.
9. oil mass apparatus for controlling of supply according to claim 1 is characterized in that, described actuator is a stepper motor, and described live axle pushes away post by nut, leading screw with described oil control and is connected.
10. oil mass apparatus for controlling of supply according to claim 1 is characterized in that, described actuator is a stepper motor, and described live axle realizes that by the worm and gear structure pushing away post with described oil control is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201211389U CN202047900U (en) | 2011-04-22 | 2011-04-22 | Fuel feed control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201211389U CN202047900U (en) | 2011-04-22 | 2011-04-22 | Fuel feed control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202047900U true CN202047900U (en) | 2011-11-23 |
Family
ID=44988211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201211389U Expired - Fee Related CN202047900U (en) | 2011-04-22 | 2011-04-22 | Fuel feed control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202047900U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673593A (en) * | 2022-04-22 | 2022-06-28 | 潍柴动力股份有限公司 | Cold start auxiliary device and engine |
-
2011
- 2011-04-22 CN CN2011201211389U patent/CN202047900U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673593A (en) * | 2022-04-22 | 2022-06-28 | 潍柴动力股份有限公司 | Cold start auxiliary device and engine |
| CN114673593B (en) * | 2022-04-22 | 2023-01-06 | 潍柴动力股份有限公司 | Cold start auxiliary device and engine |
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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: 20111123 Termination date: 20150422 |
|
| EXPY | Termination of patent right or utility model |