CN103527436B - A kind of plunger type adds pump - Google Patents
A kind of plunger type adds pump Download PDFInfo
- Publication number
- CN103527436B CN103527436B CN201310538150.3A CN201310538150A CN103527436B CN 103527436 B CN103527436 B CN 103527436B CN 201310538150 A CN201310538150 A CN 201310538150A CN 103527436 B CN103527436 B CN 103527436B
- Authority
- CN
- China
- Prior art keywords
- plunger
- piston rod
- housing
- driving mechanism
- bent axle
- 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.)
- Active
Links
Abstract
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 pulsations affect is little, its structure comprises housing simultaneously, plunger driving mechanism, is symmetrically arranged with two plunger mechanism in housing centered by plunger driving mechanism.Plunger driving mechanism uses the uniqueness of bent axle, slide block to coordinate, and makes the features such as structure is simple, pump housing size is little, operate steadily, can with sliding vane rotary flowmeter with the use of, also can with motor etc. with the use of, play material and add and the effect of metering.
Description
Technical field
The present invention relates to a kind of plunger pump, particularly relate to a kind of twin-cylinder reciprocating plunger pump.
Background technique
Because China region is wide, airport distribution area is wide, environmental difference is large, so require that aircraft aviation kerosine used is can reliably working between-41 DEG C ~+60 DEG C in ambient temperature, in order to meet the demand of low temperature environment work, add a certain amount of additive under just needing the state being in flowing at aviation kerosine, and lack the device that can meet this filling demand at present.
Summary of the invention
The object of the invention is to provide a kind of plunger type simultaneously can adding two kinds of materials dynamically that can be quantitative and adds pump, solves the technical problem of this device vacancy domestic at present.
Technical solution of the present invention is as follows:
A kind of plunger type adds pump, and its special way is: comprise housing 1, plunger driving mechanism 2, is symmetrically arranged with two groups of filling mechanisms 3 in described housing 1 centered by plunger driving mechanism 2,
Described filling mechanism 3 comprises active chamber 31, piston rod 32, Outlet check valves 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, sealing position side be pressure chamber 37, sealing position opposite side be lubricating cavity 38, the other end of described piston rod 32 is connected with driving mechanism 3 and is subject to the control of driving mechanism
Described Outlet check valves 33 and import one-way valve 34 longitudinally arrange along housing 1 and are distributed in active chamber 31 both sides, and what be positioned at upper side is Outlet check valves 33, and what be positioned at the side of below is import one-way valve 34,
The import of described Outlet check valves 33 communicates with pressure chamber 37, and the outlet of described Outlet check valves 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 driving 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 respectively by bearing, the described end of forward spindle neck 211 is connected with the output terminal of power plant
The axis of described slide block 22 offers chute 221, and the eccentric shaft part 213 of described bent axle 21 is positioned at chute 221,
The radial direction of described slide block 22 is provided with step hole 222, described step hole 222 communicates with chute 221, the large end of described step hole 222 is used for locating with the protuberance 321 on piston rod 32, the head of described piston rod 32 enters step hole small end by the large end of step hole, when the crank shaft rotates, the converting rotary motion of bent axle is the straight reciprocating motion of slide block by slide block, thus drives piston rod 32 to move.
Above-mentioned interpolation pump also comprises controlling mechanism 4,
Described controlling mechanism 4 comprises proportion adjustment bar 41, described proportion adjustment bar 41 is coaxially arranged with piston rod 32, one end of described proportion adjustment bar 41 is threaded with piston rod 32, also be provided with lining gland 42 between described proportion adjustment bar 41 and housing 1, described lining gland 42 is fixedly connected with housing 1 is detachable.
The material that in above-mentioned interpolation pump, flow passage components use is low temperature resistant, resistant material.
The present invention relative to the advantage of prior art is:
1, plunger type of the present invention adds pump employing double cylinder double acting reciprocating type plunger structure, is symmetrically arranged with two groups of filling mechanisms, can add two kinds of additives dynamically by simultaneous quantitative, and pulsations affect is little in housing centered by plunger driving mechanism.
2, the present invention adds plunger driving mechanism employing slide block and the crankshaft structure of pump, and the structure of slide block is simple, greatly reduces the complexity of structure, also reduces overall volume; Contrast in the designing and calculating of seal aspect to one-way valve, reduce the lag time of one-way valve, reduce amount of leakage, filling precision is improved; Utilize UG software to carry out three-dimensional modeling in the design, carry out global analysis to its structure, being then as the criterion with actual tests corrects, and optimizes the overall performance adding pump, makes the features such as the filling precision of this pump is accurate, overall structure is simple, overall volume is little.
3, to add pump flow within the scope of filling adjustable in the present invention, and adjustable extent is 1 ~ 1.5 times of rated flow, and maximum service pressure is 1MPa, can be regulated, adapt to the demand under varying environment to different ratios by the mode changing proportion adjustment bar.
4, the flow passage components in the present invention are anticorrosive, and seal ring is special rubber, meet the requirement of corrosion-resistant, low temperature resistant (between-41 DEG C ~+60 DEG C) completely.Filling medium is antifreeze additive and does not contain the corrosivity of solid particle and noncorrosive liquid, extends to and adds two kinds of additives simultaneously, and filling precision is 1%.
5, the present invention adds in pump two entrance channels and two outlet flow, is blocked by the interface plug of wherein one end, use two joints simultaneously, can realize adding two kinds of additives simultaneously when adding two kinds of additives when adding a kind of additive.
6, plunger type of the present invention add pump can with sliding vane rotary flowmeter with the use of, also can with motor etc. with the use of, play and add and the effect of metering.
Accompanying drawing explanation
Fig. 1 is the forward partial sectional view that the present invention adds pump;
Fig. 2 is that the present invention adds pump left view partial sectional view;
Wherein reference character is: main journal, 213-eccentric shaft part, 22-slide block, 221-chute, 222-step hole, 3-plunger mechanism, 31-active chamber, 32-piston rod, 33-Outlet check valves, 34-import one-way valve, 35-entrance channel, 36-outlet flow, 37-pressure chamber, 38-lubricating cavity, 4-controlling mechanism, 41-proportion adjustment bar, 42-lining gland after 1-housing, 2-plunger driving mechanism, 21-bent axle, 211-forward spindle neck, 212-.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
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 pulsations affect is little simultaneously, comprises housing 1, plunger driving mechanism 2, is symmetrically arranged with two plunger mechanism 3 in housing 1 centered by plunger driving mechanism 2.
Plunger mechanism 3 comprises active chamber 31, piston rod 32, Outlet check valves 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 with and with active chamber 31 radial seal, the side at sealing position is pressure chamber 37, the opposite side at sealing position is lubricating cavity 38, and the other end of described piston rod 32 is connected the control by driving mechanism with driving mechanism 3.
Outlet check valves 33 and import one-way valve 34 longitudinally arrange along housing 1 and are distributed in active chamber 31 both sides, what be positioned at upper side is Outlet check valves 33, what be positioned at the side of below is import one-way valve 34, the import of Outlet check valves 33 communicates with the pressure chamber 37 of active chamber 31, the outlet of Outlet check valves 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 driving mechanism that the present invention adds pump adopts slide block and crankshaft structure, and the structure of slide block is simple, and greatly reduce the complexity of structure, also reduce overall volume, 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 respectively by bearing, the end of forward spindle neck 211 is connected with the output terminal of power plant, the axis of slide block 22 offers chute 221, the eccentric shaft part 213 of bent axle 21 is positioned at chute 221, the radial direction of slide block 22 is provided with step hole 222, step hole 222 communicates with chute 221, the large end of step hole 222 is used for locating with the protuberance 321 on piston rod 32, 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 the straight reciprocating motion of slip into, and drive piston rod 32 to move.
In order to meet the filling demand of different additive, the present invention can be regulated by the mode changing controlling mechanism, controlling mechanism of the present invention comprises proportion adjustment bar 41 and lining gland 42, proportion adjustment bar 41 and piston rod 32 are coaxially arranged, one end of proportion adjustment bar 41 is threaded with piston rod 32, lining gland 42 is arranged between proportion adjustment bar 41 and housing 1, and lining gland 42 is fixedly connected with for convenience detach by screw with housing 1.
At the trial, first plunger type is added pump to connect together with direct current generator, add in pump to plunger type and add appropriate lubricant oil, plunger type being added delivery side of pump pipeline is connected on the pipeline of pressure again, connect inlet ductwork, start direct current generator, rotating speed is transferred to 367r/min, drained plunger type adds the air in pump chamber, after normal operation, pressure gradually in increase pressure piping is to 1MPa, after correcting rotating speed to 367r/min, start to measure inlet ductwork and suck time needed for 500mL liquid, at least measure three times, record data, record the test data that different proportion adjustment pole pairs answers as shown in table 1.
Table 1
From table one test data, it is in 1% scope that plunger type of the present invention adds pump filling precision, can add injecting additive continuously in certain pressure piping.
More than comprehensive: this plunger type is added pump and solved the problem used in the presence of a harsh environment, overall structure is simple, volume is little, filling precision is high, can add two kinds of additives simultaneously, and can be adjustable in filling proportion, can with sliding vane rotary flowmeter with the use of, also can with motor etc. with the use of, play and add and the effect of metering, fuel additive can be widely used in and add and the field such as metering interpolation.
Claims (3)
1. a plunger type adds pump, it is characterized in that: comprise housing (1), plunger driving mechanism (2), is symmetrically arranged with two groups of filling mechanism (3) centered by plunger driving mechanism (2) in described housing (1)
Described filling mechanism (3) comprises active chamber (31), piston rod (32), Outlet check valves (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, the 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) is connected with plunger driving mechanism (2) and is subject to the control of plunger driving mechanism (2)
Described Outlet check valves (33) and import one-way valve (34) longitudinally arrange along housing (1) and are distributed in active chamber (31) both sides, what be positioned at upper side is Outlet check valves (33), what be positioned at the side of below is import one-way valve (34)
The import of described Outlet check valves (33) communicates with pressure chamber (37), and the outlet of described Outlet check valves (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);
Described plunger driving 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) respectively by bearing, the end of described forward spindle neck (211) is connected with the output terminal of power plant
The axis of described slide block (22) offers chute (221), and the eccentric shaft part (213) of described bent axle (21) is positioned at chute (221),
The radial direction of described slide block (22) is provided with step hole (222), described step hole (222) communicates with chute (221), the large end of described step hole (222) is used for locating with the protuberance (321) on piston rod (32), the head of described piston rod (32) enters step hole small end by the large end of step hole, when the crank shaft rotates, the converting rotary motion of bent axle is the straight reciprocating motion of slide block by slide block, thus drives piston rod (32) motion.
2. plunger type according to claim 1 adds pump, it is characterized in that: described interpolation pump also comprises controlling mechanism (4),
Described controlling mechanism (4) comprises proportion adjustment bar (41), described proportion adjustment bar (41) and piston rod (32) are coaxially arranged, one end of described proportion adjustment bar (41) is threaded with piston rod (32), also be provided with lining gland (42) between described proportion adjustment bar (41) and housing (1), described lining gland (42) is fixedly connected with housing (1) is detachable.
3. plunger type according to claim 2 adds pump, it is characterized in that: the material that in described interpolation pump, flow passage components use is low temperature resistant, resistant material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310538150.3A CN103527436B (en) | 2013-10-31 | 2013-10-31 | A kind of plunger type adds pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310538150.3A CN103527436B (en) | 2013-10-31 | 2013-10-31 | A kind of plunger type adds pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103527436A CN103527436A (en) | 2014-01-22 |
| CN103527436B true CN103527436B (en) | 2016-03-30 |
Family
ID=49929705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310538150.3A Active CN103527436B (en) | 2013-10-31 | 2013-10-31 | A kind of plunger type adds pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103527436B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111927730B (en) * | 2020-08-07 | 2022-02-01 | 浙江飞驰机电有限公司 | High-pressure water pump |
| CN114396369A (en) * | 2021-12-09 | 2022-04-26 | 西安航天泵业有限公司 | Plunger type adding pump |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62265476A (en) * | 1986-05-09 | 1987-11-18 | Diesel Kiki Co Ltd | High pressure generating device |
| CN1521396A (en) * | 2003-02-14 | 2004-08-18 | 中国科学院金属研究所 | Self-aligning supercharger |
| CN201027601Y (en) * | 2007-03-09 | 2008-02-27 | 孙庆春 | Reciprocating high-pressure filling pump |
| CN101655080A (en) * | 2008-09-25 | 2010-02-24 | 沈焕军 | Plunger water pump structure |
| CN201412282Y (en) * | 2009-06-18 | 2010-02-24 | 缪文云 | Cooling type double-cylinder plunger pump |
| CN101876302A (en) * | 2010-06-23 | 2010-11-03 | 宁波运星机械制造有限公司 | Multi-cylinder reciprocating pump |
| CN102734111A (en) * | 2011-03-31 | 2012-10-17 | 北京中冶华润科技发展有限公司 | Plunger pump |
| CN203627108U (en) * | 2013-10-31 | 2014-06-04 | 陕西航天动力高科技股份有限公司 | Plunger type additive pump |
-
2013
- 2013-10-31 CN CN201310538150.3A patent/CN103527436B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62265476A (en) * | 1986-05-09 | 1987-11-18 | Diesel Kiki Co Ltd | High pressure generating device |
| CN1521396A (en) * | 2003-02-14 | 2004-08-18 | 中国科学院金属研究所 | Self-aligning supercharger |
| CN201027601Y (en) * | 2007-03-09 | 2008-02-27 | 孙庆春 | Reciprocating high-pressure filling pump |
| CN101655080A (en) * | 2008-09-25 | 2010-02-24 | 沈焕军 | Plunger water pump structure |
| CN201412282Y (en) * | 2009-06-18 | 2010-02-24 | 缪文云 | Cooling type double-cylinder plunger pump |
| CN101876302A (en) * | 2010-06-23 | 2010-11-03 | 宁波运星机械制造有限公司 | Multi-cylinder reciprocating pump |
| CN102734111A (en) * | 2011-03-31 | 2012-10-17 | 北京中冶华润科技发展有限公司 | Plunger pump |
| CN203627108U (en) * | 2013-10-31 | 2014-06-04 | 陕西航天动力高科技股份有限公司 | Plunger type additive pump |
Non-Patent Citations (1)
| Title |
|---|
| 一种具备喷气燃料添加剂在线加注功能的流量计研究;周涛等;《自动化与仪器仪表》;20100325(第2期);第82-83,86页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103527436A (en) | 2014-01-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103527436B (en) | A kind of plunger type adds pump | |
| CN204610163U (en) | Double steering constant-pressure variable axial piston pump | |
| CN203627108U (en) | Plunger type additive pump | |
| CN103573633B (en) | Experiment table for equivalently observing dynamic leakage of working fluid inside rotary compressor | |
| CN205560234U (en) | Self -lubricating mechanism | |
| CN205277772U (en) | Plunger diaphragm type measuring pump | |
| CN103486423B (en) | A kind of universal-joint spindle self-lubricating device | |
| CN204003316U (en) | A kind of filling apparatus | |
| CN203374412U (en) | Fuel return system of high pressure common rail pump | |
| CN204371570U (en) | A kind of Self-rotation structure being applicable to the plunger uniform wear of radial plunger hydraulic pump | |
| CN201615270U (en) | Air control oil proportional valve | |
| CN203516104U (en) | Dynamic leakage equivalent observation experiment table for working medium in rotary compressor | |
| CN103527439B (en) | A kind of filling apparatus | |
| CN104373269B (en) | High voltage common rail pump oil return system | |
| JP5746727B2 (en) | Cylinder lubrication device | |
| CN108412719A (en) | A kind of convex dribbling plug emulsion pump of valve type fluid-distributing axial | |
| CN204646621U (en) | A kind of simulated solution press pump carries out the device of hydraulic loaded | |
| CN201306169Y (en) | High pressure water hydraulic balancing and sealing system of development machine | |
| RU2593879C2 (en) | Dosing device | |
| CN208040931U (en) | A kind of bearing circulating picture-changing fat system | |
| CN203641825U (en) | Oil-gas lubrication system | |
| CN208236589U (en) | A kind of convex dribbling plug emulsion pump of valve type fluid-distributing axial | |
| CN206972415U (en) | A kind of plunger-type fuel delivery pump | |
| CN206770954U (en) | A kind of lubrication oil supply system | |
| CN205014001U (en) | Oil gas lubricating system of pulsed oiling |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201230 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. |