CN2926554Y - Double-liquid high-pressure pump - Google Patents
Double-liquid high-pressure pump Download PDFInfo
- Publication number
- CN2926554Y CN2926554Y CN 200620028400 CN200620028400U CN2926554Y CN 2926554 Y CN2926554 Y CN 2926554Y CN 200620028400 CN200620028400 CN 200620028400 CN 200620028400 U CN200620028400 U CN 200620028400U CN 2926554 Y CN2926554 Y CN 2926554Y
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- Prior art keywords
- flyball
- governor
- speed regulator
- fuel
- sleeve
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- Expired - Fee Related
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Abstract
The utility model relates to a liquid fuel pump for the engine, in particular to a double-liquid fuel pump, which can spray two kinds of liquid fuel, or can spray one kind of liquid fuel and a combustion-supporting liquid additive, aiming at two kinds of liquid fuel or one is liquid fuel and another is combustion-supporting liquid additive are provided to the engine, thus realizing that one spray pump can supply two kinds of high pressure liquid. The technique proposal is that: a double-liquid high pressure pump is composed of low pressure fuel cavities, high pressure subassemblies and speedometers mechanism. The amount of the low pressure fuel cavity is at least two sets, as well as the speedometers. The number of the high pressure subassemblies installed in each low pressure fuel cavity is the same and is corresponding to the number of the cylinders in the engine. The number of the fuel pumps is corresponding to the number of the number of the low pressure fuel cavities. The double-liquid fuel pump can supply two-way high pressure liquid, under the state of no changing of the installation and drive mode for the original engine.
Description
Technical field
The utility model relates to a kind of motor fluid petrolift, particularly relate on motor spray two kinds of liquid fuels or a kind of be that the liquid fuel another kind is the biliquid petrolift of combustion-supporting liquid body additives.
Background technique
Because the compression ratio of diesel engine is higher than petrol engine, the good economy performance of diesel engine is in petrol engine 25%.From saving the angle of the energy, on compression ignition engine, use substitute fuel and can save the energy, under the condition constantly soaring in world oil resource scarcity, crude oil price, that external pressure increases the weight of day by day, the development and use substitute fuel has realistic meaning and long-range strategic importance.Requirement to alternate-engine must be to use pluralities of fuel, the deficiency of replenishing diesel oil.Test shows, diesel engine with double ejecting system can utilize a small amount of diesel oil of nozzle ejection as igniter fuel, another nozzle ejection Aalcohols fuel is as main fuel, diesel engine is mixed the ratio of burning Aalcohols fuel and is on average reached 70%, the method that adopts double ejecting system not only can vast scale the application Aalcohols fuel, and can reduce particulate and NOx discharging simultaneously.Owing to as igniter fuel, kept the starting performance of former diesel engine with diesel oil, do not had the problem of the pure fuel rear engine starting difficulty of main combustion.The double ejecting system diesel engine can use multiple liquid fuel, is the Updated product of present single-fuel diesel engine, and the application of this multiple liquid fuel motor is that the nervous situation of the following diesel oil of alleviation is a very practicable good method.But double ejecting system needs two independently high-pressure injection pumps, makes to install on motor and driving brings inconvenience, and the purpose of this utility model is to solve a petrolift and replaces two independently problems of high-pressure injection pump.
Summary of the invention
The purpose of this utility model is to provide a kind of novel double liquid fluid fuel pump, provide on the motor two kinds of liquid fuels or a kind of be that the liquid fuel another kind is the combustion-supporting liquid body additives.Realize that a jet pump can provide the purpose of two kinds of highly pressurised liquids.
Above-mentioned purpose of the present utility model is achieved in that accompanying drawings is as follows:
The difference of biliquid petrolift and common high-pressure service pump is that this pump has (the first petrolift upper body 7, two petrolift upper bodies, the second petrolift upper body 9), (the first low-pressure fuel chamber 8, two low-pressure fuel chambeies, the second low-pressure fuel chamber 10), two governor rod (first governor rods 3, second governor rod 4), two petrolifts 19, two are advanced, return teasehole 20, two throttle control handle (second throttle control handles 31, first throttle control handle 34) and corresponding two governor mechanisms.The emitted dose that two throttle control handles (second throttle control handle 31, first throttle control handle 34) can be controlled two kinds of liquid respectively realizes that a petrolift can provide the purpose of two kinds of highly pressurised liquids.
Concrete technological scheme of the present utility model is:
A kind of biliquid high-pressure service pump, it is made up of low-pressure fuel chamber, high potential assembly and governor mechanism, said low-pressure fuel chamber and speed regulator are made up of two covers at least, the high potential assembly number that is installed on each low-pressure fuel chamber equates, and corresponding with the cylinder number of motor, the number of petrolift is corresponding with the number in low-pressure fuel chamber.
Said low-pressure fuel chamber is adopted 2, and speed regulator corresponding with it and governor rod thereof also adopt 2, and camshaft 2 is integral body or segmentation layout on same axis, and speed regulator is arranged in a side of the pump housing.
Said speed regulator comprises a flyball frame installation sleeve 18 that is installed on the camshaft 2 and rotates thereupon, two pairs of flyballs are contained on the flyball frame installation sleeve 18 by flyball frame rolling disc 25, flyball frame installation sleeve 18 rotates with camshaft 2, flyball 27 abduction under the rotary centrifugal force effect directly promotes second drive sleeve, 30 drives, second governor rod 4 and moves right, and moves towards reducing the fuel supply direction through control fork 6 rotary plungers 13; By changing the position of second throttle control handle 31, adjust second governor spring 29 and act on thrust on second drive sleeve 30, promote governor rods 4 through second drive sleeve 30 and move towards increasing the fuel supply direction; The first speed regulator flyball 28 spurs flip sleeve 24 and moves right under centrifugal action, move towards reducing the fuel supply direction through bearing for governor 17 and first drive sleeve, 22 pullings, first governor rod 3, by changing the position of first throttle control handle 34, adjust first governor spring 23 and act on thrust on the flip sleeve 24, promote first governor rod 3 through bearing for governor 17 and first drive sleeve 22 and move towards increasing the fuel supply direction.
Said low-pressure fuel pump assembly, speed regulator and the governor rod thereof corresponding with it all adopt 2 covers, and coaxial line is serially connected, speed regulator flyball frame installation sleeve 35 and 18 ' be absolute construction, be contained in an end of two camshafts respectively, be contained in first speed regulator flyball frame installation sleeve 35 right-hand member on the camshaft and have spline tooth 36, it is taken turns 37 with second spline on being contained in second camshaft left end and is meshed, and on each flyball frame rolling disc 25 a pair of flyball only is housed.
The biliquid petrolift can adopt single shaft (consulting Fig. 1) and twin shaft (consulting Fig. 2) structure.Its structure major character is:
1, the time for spraying relative fixed of two kinds of liquid of single-shaft configuration; The relative can regulate of time for spraying of two kinds of liquid of cross-compound arrangement.
2, the biliquid petrolift has the function of two common high-pressure service pumps.Realize that a petrolift can provide the purpose of two kinds of highly pressurised liquids.
3, the part that has same names and structure shape in this pump is twinned.
But the different part of part structure shape that 4, has identical function in this pump is first governor rod 3, second governor rod, 4, the first governor springs 23, second governor spring, 29, the first drive sleeve 22, second drive sleeve 30 that becomes two.
5, in speed regulating mechanism, speed regulator flyball frame installation sleeve 18 and 18 ' flyball frame rolling disc 25 on two pairs of flyballs (the second speed regulator flyball 27, the first speed regulator flyball 28) are arranged; Flip sleeve 24 slides in the external diameter transverse groove of speed regulator flyball installation sleeve 18 and 18, second drive sleeve 30 speed regulator flyball frame installation sleeve 18 and 18 ' endoporus in slide; Flyball 27 promotes second drive sleeve, 30, the first speed regulator flyballs, 28 pulling flip sleeves 24.
The beneficial effects of the utility model are: the double ejecting system diesel engine can use multiple liquid fuel, it is the upgrading regeneration product of present single-fuel diesel engine, particularly along with the shortage of oil, must obtain application more and more widely, upgrading regeneration product as diesel engine, do not wish former diesel engine is carried out bigger change, bring inconvenience for applying of new product.This biliquid petrolift can provide the two-way highly pressurised liquid simultaneously under installation that does not change former engine fuel pump and driving mode situation.If two kinds of liquid are all selected diesel oil, can improve the reliability of petrolift, timesharing uses two cover systems can improve durability; If one the tunnel provides diesel oil, another road provides pure fuel, and the methyl alcohol and the alcohol fuel of application cleaning that then can vast scale not only can reduce particulate and NOx discharging simultaneously; And can alleviate the nervous situation of following diesel oil.
Description of drawings
The structural front view of figure-1a two cylinder single shaft biliquid petrolifts.
Figure-1b two cylinder single shaft biliquid fuel pump structure plan views.
The structure side view of figure-1c two cylinder single shaft biliquid petrolifts.
Scheme the structural representation of-2 liang of cylinder twin shaft biliquid petrolifts.
Among the figure: 1-spline wheel 2-camshaft 3-the first governor rod 4-the second governor rod 5-petrolift lower body 6-control fork 7-the first petrolift upper body 8-the first low-pressure fuel chamber 9-the second petrolift upper body 10-the second low-pressure fuel chamber 11-delivery valve seat 12-delivery valve holder 13-plunger 14-plunger bushing 15-fuel cut-off handle 16-speed regulator shell 17-bearing for governor 18,18 '-speed regulator flyball frame installation sleeve 19-petrolift 20-advances, time teasehole 21-stops oily shift fork 22-the first drive sleeve 23-the first governor spring 24-slip cap 25-flyball frame rolling disc 26-flyball bearing pin 27-the second speed regulator flyball 28-the first speed regulator flyball 29-the second governor spring 30-the second drive sleeve 31-the second throttle control handle 32-high speed limit screw 33-idling restriction screw 34-the first throttle control handle 35-speed regulator flyball frame installation sleeve 36-spline tooth 37-the second spline wheel
Embodiment
Below in conjunction with the accompanying drawing illustrated embodiment particular content of the present utility model and working procedure thereof are described further.
Embodiment 1:
Single-shaft configuration of the present utility model is consulted figure-1: the biliquid pump with two cylinders is that example describes, for other multicylinder engine as (three, four, six, eight) but corresponding pairs increases delivery valve seat 11, delivery valve holder 12, plunger 13, plunger bushing 14 and control fork 6 etc.; Camshaft 2, petrolift lower body 5, two the petrolift upper bodies first petrolift upper body 7, the second petrolift upper body 9, two governor rod first governor rod 3, second fast device pull bars 4 are wanted corresponding increase length.Speed regulator mainly is made up of speed regulator flyball frame installation sleeve 18, flip sleeve 24, first drive sleeve 22, second drive sleeve 30, first governor spring 23, second governor spring 29.Speed regulator flyball frame installation sleeve 18 is installed on the camshaft 2, rotate with camshaft 2, on this speed regulator flyball frame installation sleeve 18 flyball frame rolling disc 25 is arranged, two pairs of flyballs (second speed regulator flyball 27 is housed on the flyball frame rolling disc 25, the first speed regulator flyball 28), under centrifugal action, the second speed regulator flyball flyball 27 directly promotes second drive sleeve, 30 drives, second governor rod 4 and moves right, move towards reducing the fuel supply direction through control fork 6 rotary plungers 13, by changing the position of second throttle control handle 34, adjust second governor spring 29 and act on thrust on second drive sleeve 30, promote governor rods 4 through second drive sleeve 30 and move towards increasing the fuel supply direction; Equally under centrifugal action, the first speed regulator flyball, 28 pulling flip sleeves 24 move right, move towards reducing the fuel supply direction through bearing for governor 17 and first drive sleeve, 22 pullings, first governor rod 3, by changing the position of first throttle control handle 31, adjust first governor spring 23 and act on thrust on the flip sleeve 24, move towards increasing the fuel supply direction through bearing for governor 17 and first drive sleeve, 22 promotions, first governor rod 3, realize two governor springs, first governor spring 23 respectively, second governor spring, 29 power and two pairs of flyball (second speed regulator flyball flyballs 27, the first speed regulator flyball flyball 28) equilibrium of forces between the end thrust that under centrifugal action, produces, drive two pull bars, first governor rod 3 respectively, second governor rod 4 is equilibrated at a certain position, guarantees that respectively the delivery volume of two kinds of fuel keeps certain.
Embodiment 2
Cross-compound arrangement of the present utility model is shown in figure-2, equally the biliquid pump with two cylinders is that example describes, for other multicylinder engine as (three, four, six, eight) but corresponding pairs increases delivery valve seat 11, delivery valve holder 12, plunger 13, plunger bushing 14 and control fork 6 etc.; Camshaft 2, petrolift lower body 5, two the petrolift upper bodies first petrolift upper body 7, the second petrolift upper body 9, two governor rod first governor rods 3, second governor rods 4 are wanted corresponding increase length.
Embodiment 2 and embodiment 1 are divided by outside distinguishing down, and other structures are identical.
1, the coaxial line that is equivalent to two single liquid petrolifts is serially connected,
2, have two independently speed regulator flyball frame installation sleeve 35 and 18 ', speed regulator flyball frame installation sleeve 35 and speed regulator flyball frame installation sleeve 18 ' between difference be that speed regulator flyball frame installation sleeve 35 right-hand members have spline tooth 36, be used for driving second spline tooth 37 on the right.
3, have two independently speed regulator flyball frame installation sleeve 35 and 18 ', on each flyball frame rolling disc 25 a pair of flyball only is housed.
Claims (4)
1, a kind of biliquid high-pressure service pump, it is made up of low-pressure fuel chamber, high potential assembly and governor mechanism, it is characterized in that said low-pressure fuel chamber and speed regulator at least by two the cover form, the high potential assembly number that is installed on each low-pressure fuel chamber equates, and corresponding with the cylinder number of motor, the number of petrolift is corresponding with the number in low-pressure fuel chamber.
2, biliquid high-pressure service pump according to claim 1, it is characterized in that 2 of said low-pressure fuel chamber employings, speed regulator corresponding with it and governor rod thereof also adopt 2, and camshaft (2) is integral body or segmentation layout on same axis, and speed regulator is arranged in a side of the pump housing.
3, biliquid high-pressure service pump according to claim 1 and 2, it is characterized in that said speed regulator comprises that is installed in the flyball frame installation sleeve (18) that camshaft (2) is gone up and rotated thereupon, two pairs of flyballs are contained on the flyball frame installation sleeve (18) by flyball frame rolling disc (25), flyball frame installation sleeve (18) rotates with camshaft (2), flyball (27) abduction under the rotary centrifugal force effect directly promotes second drive sleeve (30) drive second governor rod (4) and moves right, and moves towards reducing the fuel supply direction through control fork (6) rotary plunger (13); By changing the position of second throttle control handle (31), adjust second governor spring (29) and act on thrust on second drive sleeve (30), promote governor rod (4) through second drive sleeve (30) and move towards increasing the fuel supply direction; The first speed regulator flyball (28) spurs flip sleeve (24) and moves right under centrifugal action, move towards reducing the fuel supply direction through bearing for governor (17) and first drive sleeve (22) pulling first governor rod (3), by changing the position of first throttle control handle (34), adjust first governor spring (23) and act on thrust on the flip sleeve (24), promote first governor rod (3) through bearing for governor (17) and first drive sleeve (22) and move towards increasing the fuel supply direction.
4, biliquid high-pressure service pump according to claim 1 and 2, it is characterized in that said low-pressure fuel pump assembly, speed regulator corresponding with it and governor rod thereof all adopt 2 covers, and coaxial line is serially connected, speed regulator flyball frame installation sleeve (35,18 ') be absolute construction, be contained in an end of two camshafts respectively, be contained in first speed regulator flyball frame installation sleeve (35) right-hand member on the camshaft and have spline tooth (36), it is taken turns (37) with second spline on being contained in second camshaft left end and is meshed, and on each flyball frame rolling disc (25) a pair of flyball only is housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620028400 CN2926554Y (en) | 2006-03-14 | 2006-03-14 | Double-liquid high-pressure pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620028400 CN2926554Y (en) | 2006-03-14 | 2006-03-14 | Double-liquid high-pressure pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2926554Y true CN2926554Y (en) | 2007-07-25 |
Family
ID=38280797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620028400 Expired - Fee Related CN2926554Y (en) | 2006-03-14 | 2006-03-14 | Double-liquid high-pressure pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2926554Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221313A (en) * | 2015-10-22 | 2016-01-06 | 潍坊金恒新能源技术有限公司 | Duel fuel engine multi-point injection drive system and Injection Pump thereof |
| GB2558944A (en) * | 2017-01-23 | 2018-07-25 | Delphi Int Operations Luxembourg Sarl | Multi-fuel pump arrangement |
| CN111608763A (en) * | 2020-05-14 | 2020-09-01 | 太原理工大学 | Methanol/diesel dual-fuel engine fuel injection pump |
-
2006
- 2006-03-14 CN CN 200620028400 patent/CN2926554Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221313A (en) * | 2015-10-22 | 2016-01-06 | 潍坊金恒新能源技术有限公司 | Duel fuel engine multi-point injection drive system and Injection Pump thereof |
| CN105221313B (en) * | 2015-10-22 | 2018-04-06 | 山东博鼎动力科技有限公司 | Dual fuel engine multi-point injection drive system and its injection pump |
| GB2558944A (en) * | 2017-01-23 | 2018-07-25 | Delphi Int Operations Luxembourg Sarl | Multi-fuel pump arrangement |
| CN111608763A (en) * | 2020-05-14 | 2020-09-01 | 太原理工大学 | Methanol/diesel dual-fuel engine fuel injection pump |
| CN111608763B (en) * | 2020-05-14 | 2021-05-14 | 太原理工大学 | Methanol/diesel dual-fuel engine fuel injection pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070725 Termination date: 20110314 |