CN103527439A - Injecting device - Google Patents
Injecting device Download PDFInfo
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- CN103527439A CN103527439A CN201310537833.7A CN201310537833A CN103527439A CN 103527439 A CN103527439 A CN 103527439A CN 201310537833 A CN201310537833 A CN 201310537833A CN 103527439 A CN103527439 A CN 103527439A
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- way valve
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- bent axle
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Abstract
The invention relates to an injecting device of oil additives. The injecting device is composed of a sliding vane flowmeter and a plunger type anti-icing additive adding pump which are directly connected. The power of fluid is used for driving the sliding vane flowmeter and the plunger type anti-icing additive adding pump to operate synchronously. The quantity of the flow of per revolution of the plunger type anti-icing additive adding pump and the quantity of the flow of per revolution of the sliding vane flowmeter are in a certain proportion, and the injecting proportion of the plunger type anti-icing additive adding pump is adjustable within a certain range. The injecting device does not need to be powered by the outside when being used, the injecting device is usually mounted on an oil pump outlet pipeline, the additives can be injected continuously, two additives can be injected at the same time according to needs, the purpose that the injecting device can be used under a low temperature environment, a corrosion environment and an electromagnetic interference environment is achieved, the demand for being used in severe environments is met, the structure is reasonable, the injecting precision is guaranteed, and the additives and oil are made to be mixed more completely.
Description
Technical field
The present invention relates to a kind of fuel additive filling apparatus, relate in particular to a kind of fluid self power that relies on and drive sliding vane rotary flowmeter and plunger type anti-freezing agent to add the filling apparatus of pump synchronous operation.
Background technique
Because China region is wide, airport distribution area is wide, environmental difference is large, so requiring aircraft aviation kerosine used is can reliably working between-41 ℃～+ 60 ℃ in ambient temperature, in order to meet the demand of low temperature environment work, just need under mobile state, add at aviation kerosine a certain amount of additive, and there is following shortcoming in existing interpolation pump:
1, filling precision is low and have an electromagnetic interference;
2, flow is difficult to regulate, complex structure, and pulsation is large.
Summary of the invention
The object of the invention is to provide a kind of filling apparatus that relies on the work of fluid self power and can realize accurate-metering, has solved the low and technical problem of resistance to electromagnetic interference not of existing filling apparatus filling precision.
Technical solution of the present invention:
, its special way is: comprise sliding vane rotary flowmeter A and add pump B with the plunger type of sliding vane rotary flowmeter direct connection.
Above-mentioned plunger type is added pump B and is comprised housing 1, and plunger actuation mechanism 2 is symmetrically arranged with two groups of filling mechanisms 3 centered by described housing 1 Nei Yi plunger actuation mechanism 2,
Described filling mechanism 3 comprises active chamber 31, piston rod 32, outlet one-way valve 33, import one-way valve 34, entrance channel 35, outlet flow 36,
Described outlet one-way valve 33 and import one-way valve 34 longitudinally arrange and are distributed in active chamber 31 both sides along housing 1, be positioned at top one side be outlet one-way valve 33, be positioned at below a side be import one-way valve 34,
The import of described outlet one-way valve 33 communicates with pressure chamber 37, and the outlet of described outlet one-way valve 33 communicates with outlet flow 36,
The outlet of described inlet one-way valve 34 communicates with pressure chamber 37, and the import of described inlet one-way valve 34 communicates with entrance channel 35.
Above-mentioned plunger actuation mechanism 2 is bent axle slide-block mechanism, and described bent axle slide-block mechanism comprises bent axle 21 and slide block 22,
Described bent axle 21 comprises forward spindle neck 211, rear main journal 212 and the eccentric shaft part 213 between forward spindle neck and rear main journal, described forward spindle neck 211, rear main journal 212 are connected with housing 1 by bearing respectively, the end of described forward spindle neck 211 is connected with the output terminal of power plant
Described slide block 22 axially offer chute 221, the eccentric shaft part 213 of described bent axle 21 is positioned at chute 221,
Described slide block 22 be radially provided with step hole 222, described step hole 222 communicates with chute 221, the large end of described step hole 222 for piston rod 32 on protuberance 321 location, the head of described piston rod 32 enters step hole small end by the large end of step hole, when bent axle rotates, slide block changes rotatablely moving of bent axle into the straight reciprocating motion of slide block, thereby drives piston rod 32 motions.
Above-mentioned interpolation pump also comprises controlling mechanism 4,
Described controlling mechanism 4 comprises ratio adjustable lever 41, described ratio adjustable lever 41 coaxially arranges with piston rod 32, one end of described ratio adjustable lever 41 is threaded with piston rod 32, between described ratio adjustable lever 41 and housing 1, be also provided with lining gland 42, described lining gland 42 is fixedly connected with housing 1 is detachable.
The material that in above-mentioned interpolation pump, flow passage components are used is low temperature resistant, resistant material.
Compared with prior art, advantage is in the present invention:
1, the present invention relates to a kind of filling apparatus, its sliding vane rotary flowmeter and plunger type form filling apparatus after adding pump direct connection; The flow that the flow that plunger type interpolation pump often turns and sliding vane rotary flowmeter often turn is proportional, when fluid driven sliding vane rotary flowmeter rotates and measures, can export larger moment of torsion, this moment of torsion drives plunger type to add pump and sliding vane rotary flowmeter synchronous operation, realizes the dynamic control to filling precision.
2, the present invention provides power without the external world in use, is conventionally arranged on main oil pump export pipeline, can add continuously injecting additive, and energy saving has overcome and added the technical problem that pump uses under electromagnetic interference environment.
3, in the present invention, plunger type is added pump employing double cylinder double acting reciprocating type plunger structure, is symmetrically arranged with two groups of filling mechanisms centered by housing Nei Yi plunger actuation mechanism, can add dynamically two kinds of additives by simultaneous quantitative, and pulsation affects little.
4, the plunger actuation mechanism in the present invention adopts slide block and crankshaft structure, and slide block simple in structure reduced the complexity of structure to a great extent, also reduced overall volume; At seal aspect, the designing and calculating of one-way valve is contrasted, reduced the lag time of one-way valve, reduced amount of leakage, the precision that makes to annotate improves; In design, utilize UG software to carry out three-dimensional modeling, its structure is carried out to global analysis, then with actual tests, be as the criterion and proofread and correct, optimized the overall performance that adds pump, the feature such as make the filling precision of this pump accurate, overall structure is simple, overall volume is little.
5, it is adjustable that the present invention adds pump flow within the scope of filling, and adjustable extent is 1～1.5 times of rated flow, and maximum service pressure is 1MPa, to different ratios, can regulate by changing the mode of ratio adjustable lever, adapts to the demand under varying environment.
6, the flow passage components in the present invention are anticorrosive, and seal ring is special rubber, have met the requirement of corrosion-resistant, low temperature resistant (between 41 ℃～+ 60 ℃) completely.Filling medium is antifreeze additive and corrosivity and the noncorrosive liquid that does not contain solid particle, can expand to and add two kinds of additives simultaneously, and filling precision is 1%.
7, the present invention adds two entrance channels and two outlet flow in pump, while adding a kind of additive, the interface of one end is wherein blocked with plug, uses two joints while adding two kinds of additives simultaneously, can realize and add two kinds of additives simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the forward partial sectional view that the present invention adds pump;
Fig. 3 is that the present invention adds pump left view partial sectional view;
Wherein reference character is: A-sliding vane rotary flowmeter, B-plunger type is added pump, 1-housing, 2-plunger actuation mechanism, 21-bent axle, 211-forward spindle neck, main journal after 212-, the eccentric shaft part of 213-, 22-slide block, 221-chute, 222-step hole, 3-plunger mechanism, 31-active chamber, 32-piston rod, 33-exports one-way valve, 34-import one-way valve, 35-entrance channel, 36-outlet flow, 37-pressure chamber, 38-lubricating cavity, 4-controlling mechanism, 41-ratio adjustable lever, 42-lining gland.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
Filling apparatus of the present invention, comprises sliding vane rotary flowmeter and adds pump with the plunger type of sliding vane rotary flowmeter direct connection, the present invention relies on the work of fluid self power, has solved the energy consumption of existing interpolation pump large and have a technical problem of electromagnetic interference.Plunger type of the present invention is added pump and is adopted double cylinder double acting reciprocating type plunger structure, can add two kinds of additives, and pulsation impact is little, comprises housing 1 simultaneously, plunger actuation mechanism 2, is symmetrically arranged with two plunger mechanism 3 centered by housing 1 Nei Yi plunger actuation mechanism 2.
Outlet one-way valve 33 and import one-way valve 34 longitudinally arrange and are distributed in active chamber 31 both sides along housing 1, what be positioned at top one side is outlet one-way valve 33, be positioned at below a side be import one-way valve 34, the outlet import of one-way valve 33 and the pressure chamber 37 of active chamber 31 communicate, the outlet of outlet one-way valve 33 communicates with outlet flow 36, the outlet of inlet one-way valve 34 communicates with the pressure chamber 37 of active chamber 31, and the import of described inlet one-way valve communicates with entrance channel 35.
The plunger actuation mechanism that the present invention adds pump adopts slide block and crankshaft structure, and slide block simple in structure reduced the complexity of structure to a great extent, also reduced overall volume, and the concrete structure of bent axle and slide block is as follows:
Bent axle 21 comprises forward spindle neck 211, rear main journal 212 and the eccentric shaft part 213 between forward spindle neck and rear main journal, forward spindle neck 211, rear main journal 212 is connected with housing 1 by bearing respectively, the end of forward spindle neck 211 is connected with the output terminal of power plant, slide block 22 axially offer chute 221, the eccentric shaft part 213 of bent axle 21 is positioned at chute 221, slide block 22 be radially provided with step hole 222, step hole 222 communicates with chute 221, the large end of step hole 222 for piston rod 32 on protuberance 321 location, the head of piston rod 32 enters step hole small end by the large end of step hole, when motor movement, slide block changes the circular movement of bent axle into the straight reciprocating motion of slip, and drive piston rod 32 to move.
In order to meet the filling demand of different additive, the present invention can regulate by changing the mode of controlling mechanism, controlling mechanism of the present invention comprises ratio adjustable lever 41 and lining gland 42, ratio adjustable lever 41 coaxially arranges with piston rod 32, one end of ratio adjustable lever 41 is threaded with piston rod 32, and the other end of described ratio adjustable lever leaks in housing 1 outside; Lining gland 42 is arranged between ratio adjustable lever 41 and housing 1, and lining gland 42 is fixedly connected with for convenience detach by screw with housing 1.
At the trial, filling apparatus is connected on main oil pump export pipeline, connects other export pipeline, low speed start main oil pump, drained working connection pipeline and plunger type are added after the air in pump cylinder successively, carry out additive filling.
In declared working condition: it is 1MPa that plunger type is added pump filling pressure, sliding vane rotary flowmeter flow is 1667L/min, measurement time under the condition that the import filling total amount of plunger type anti-freezing agent interpolation pump is 500mL, the data that different ratio adjustable levers is corresponding are as shown in table 1.
Known by data in table 1, the present invention puts to realize and relies on the power of fluid self to drive sliding vane rotary flowmeter and plunger type to add pump synchronous operation, during use, without the external world, provide power, can add continuously injecting additive, the filling ratio of plunger type interpolation pump is adjustable within the specific limits, filling precision is 1%, the two kinds of additives of can simultaneously annotating as required.
This device can work under-41 ℃ of-60 ℃ of environment, owing to not using and exchanging or DC electrical source, the particularity of the selection of material, this device can be under corrosive environment, work under electromagnetic interference environment, has met the demand of using under rugged environment, rational in infrastructure, guaranteed filling precision, make refuelling truck safer in use simultaneously, additive and oil plant are mixed more abundant etc., can be widely used in the association areas such as aircraft refuelling, automobile fuel filler.
Table 1
Claims (5)
1. a filling apparatus, is characterized in that: comprise sliding vane rotary flowmeter (A) and add pump (B) with the plunger type of sliding vane rotary flowmeter direct connection.
2. filling apparatus according to claim 1, it is characterized in that: described plunger type is added pump (B) and comprised housing (1), plunger actuation mechanism (2), is symmetrically arranged with two groups of filling mechanisms (3) centered by described housing (1) Nei Yi plunger actuation mechanism (2)
Described filling mechanism (3) comprises active chamber (31), piston rod (32), outlet one-way valve (33), import one-way valve (34), entrance channel (35), outlet flow (36),
Active chamber (31) is along housing (1) cross setting, one end of piston rod (32) be positioned at active chamber (31) and with active chamber (31) radial seal, one side at sealing position is pressure chamber (37), the opposite side at sealing position is lubricating cavity (38), the other end of described piston rod (32) and driving mechanism (3) are connected and are subject to the control of driving mechanism
Described outlet one-way valve (33) and import one-way valve (34) longitudinally arrange and are distributed in active chamber (31) both sides along housing (1), be positioned at top one side be outlet one-way valve (33), be positioned at below a side be import one-way valve (34),
The import of described outlet one-way valve (33) communicates with pressure chamber (37), the outlet of described outlet one-way valve (33) and outlet flow (36 communicate,
((37 communicate described inlet one-way valve, and (34 import communicates with entrance channel (35) described inlet one-way valve with pressure chamber in 34 outlet.
3. filling apparatus according to claim 2, is characterized in that: described plunger actuation mechanism (2) is bent axle slide-block mechanism, and described bent axle slide-block mechanism comprises bent axle (21) and slide block (22),
Described bent axle (21) comprises forward spindle neck (211), rear main journal (212) and the eccentric shaft part (213) between forward spindle neck and rear main journal, described forward spindle neck (211), rear main journal (212) are connected with housing (1) by bearing respectively, the end of described forward spindle neck (211) is connected with the output terminal of power plant
Described slide block (22) axially offer chute (221), the eccentric shaft part (213) of described bent axle (21) is positioned at chute (221),
Described slide block (22) be radially provided with step hole (222), described step hole (222) communicates with chute (221), the large end of described step hole (222) for piston rod (32) on protuberance (321) location, the head of described piston rod (32) enters step hole small end by the large end of step hole, when bent axle rotates, slide block changes rotatablely moving of bent axle into the straight reciprocating motion of slide block, thereby drives piston rod (32) motion.
4. according to the filling apparatus described in claim 2 or 3, it is characterized in that: described interpolation pump also comprises controlling mechanism (4),
Described controlling mechanism (4) comprises ratio adjustable lever (41), described ratio adjustable lever (41) coaxially arranges with piston rod (32), one end of described ratio adjustable lever (41) is threaded with piston rod (32), between described ratio adjustable lever (41) and housing (1), be also provided with lining gland (42), described lining gland (42) and detachable being fixedly connected with of housing (1).
5. filling apparatus according to claim 4, is characterized in that: the material that in described interpolation pump, flow passage components are used is low temperature resistant, resistant material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310537833.7A CN103527439B (en) | 2013-10-31 | 2013-10-31 | A kind of filling apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310537833.7A CN103527439B (en) | 2013-10-31 | 2013-10-31 | A kind of filling apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103527439A true CN103527439A (en) | 2014-01-22 |
| CN103527439B CN103527439B (en) | 2016-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310537833.7A Active CN103527439B (en) | 2013-10-31 | 2013-10-31 | A kind of filling apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114396368A (en) * | 2021-12-09 | 2022-04-26 | 西安航天泵业有限公司 | Additive filling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114396368A (en) * | 2021-12-09 | 2022-04-26 | 西安航天泵业有限公司 | Additive filling device |
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| CN103527439B (en) | 2016-09-07 |
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Effective date of registration: 20210111 Address after: 710077 No. 78, Kam Yip Road, hi tech Zone, Shaanxi, Xi'an Patentee after: XI'AN AEROSPACE PUMPS Co.,Ltd. Address before: 710077 No. 78, Kam Yip Road, hi tech Industrial Development Zone, Shaanxi, Xi'an Patentee before: SHAANXI AEROSPACE POWER HIGH-TECH Co.,Ltd. |
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