CN108302001A - A kind of Novel plunger pump - Google Patents
A kind of Novel plunger pump Download PDFInfo
- Publication number
- CN108302001A CN108302001A CN201810201988.6A CN201810201988A CN108302001A CN 108302001 A CN108302001 A CN 108302001A CN 201810201988 A CN201810201988 A CN 201810201988A CN 108302001 A CN108302001 A CN 108302001A
- Authority
- CN
- China
- Prior art keywords
- plunger
- oil pump
- rotor
- pump case
- ring
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/14—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
- F04B1/16—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders having two or more sets of cylinders or pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/14—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
- F04B1/141—Details or component parts
- F04B1/145—Housings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/14—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
- F04B1/141—Details or component parts
- F04B1/146—Swash plates; Actuating elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/14—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
- F04B1/141—Details or component parts
- F04B1/146—Swash plates; Actuating elements
- F04B1/148—Bearings therefor
Abstract
The present invention relates to conveying equipment for fluid substances technical fields, more particularly, to a kind of Novel plunger pump.To achieve the above object, its main feature is that including oil pump case, the oil pump case top is provided with oil pump case lid, swashplate bearing component is provided in oil pump case, universal plate component is provided in swashplate bearing component, plunger assembly is installed below swashplate bearing component, plunger assembly lower part is connected with rotor assembly, bearing holder (housing, cover) is provided between rotor assembly and oil pump case, it is provided with a point food tray below rotor assembly, rotor assembly upper end passes through universal plate component to stretch out oil pump case lid, it is provided with bearing and sealing element between rotor assembly and oil pump case lid, spring is mounted below universal plate component in the rotor upright of rotor assembly, correspondence divides food tray to be provided with fuel feed hole and outage below oil pump case.Production cost is reduced, applied widely, practicability is preferable.Its reasonable design, it is simple in structure, production, it is easily manufactured.
Description
Technical field
The present invention relates to conveying equipment for fluid substances technical fields, more particularly, to a kind of Novel plunger pump.
Background technology
Plunger pump is an important device of hydraulic system, it is to cause volume by plunger is reciprocating in cylinder body
Variation realize oil suction and pressure oil.Plunger pump by its rated pressure high, compact-sized, efficient and flow-rate adjustment facilitate etc. it is excellent
Point is widely used in high pressure, big flow and flow and needs the place adjusted, such as hydraulic press, engineering machinery, ship and aviation
Engine is medium.
Currently, axial plunger pump is the volume change for moving back and forth generation in plunger hole using the plunger parallel with transmission shaft
Change to work.Existing inclined disc type hydraulic axial plunger pump, general between variable swash plate and shell there are two types of structures
Form:One is the sliding rail between shell and swash plate supported by cylindrical roller half-and-half bearing, another kind be by shell and
Swash plate seat is added between variable swash plate, high pressure oil is introduced in swash plate seat, by being established on the sliding rail between swash plate and swash plate seat
Oil film, to reach support effect.But the defect that plunger pump has it born, it is exactly plunger spring institute's frangibility and plunger ball
It is easy to wear etc..
Invention content
A kind of Novel plunger pump is provided it is an object of the invention to avoid the defect of the prior art, is efficiently solved existing
Technology there are the problem of.
To achieve the above object, the technical solution that the present invention takes is:A kind of Novel plunger pump, its main feature is that packet
Oil pump case is included, the oil pump case top is provided with oil pump case lid, swashplate bearing component is provided in oil pump case,
Be provided with universal plate component in swashplate bearing component, plunger assembly be installed below swashplate bearing component, plunger assembly lower part with
Rotor assembly is connected, and bearing holder (housing, cover) is provided between rotor assembly and oil pump case, a point food tray, rotor are provided with below rotor assembly
Component upper end pass through universal plate component stretch out oil pump case lid, be provided between rotor assembly and oil pump case lid bearing and
Sealing element, spring are mounted below universal plate component in the rotor upright of rotor assembly, and correspondence divides food tray to set below oil pump case
It is equipped with fuel feed hole and outage.
The swashplate bearing component includes ring on swashplate bearing, and the first axis pin, swash plate are provided on ring on swashplate bearing
It is additionally provided with connecting rod on bearing below ring, ring is the component for being primarily subjected to load of oil pump on swashplate bearing, ring on swashplate bearing
It is inside provided with the arc track coordinated with universal plate component, ring is mounted on by the first axis pin on oil pump case on swashplate bearing,
It is rotated around the first axis pin when work;The universal plate component includes center ring, intermediate ring and outer shroud, is set in center ring
Be equipped with spline, center ring is connected by intermediate ring of third axis pin and its periphery setting, intermediate ring by the second axis pin with outside it
The outer shroud for enclosing setting is connected, and the second axis pin is mutually perpendicular to third axis pin, and outer shroud forms Bearing assembly with ring on swashplate bearing,
Universal plate component bears the powerful reaction force generated when plunger work and can realize rotation, and multiple and column is provided on outer shroud
The half bore of plug assembly cooperation.
The plunger assembly includes plunger housing, and ball head-like structure is in plunger housing lower end and is provided with first through hole,
Plunger housing lower end is shaken the head inside parts mounted on plunger housing, and plunger housing shakes the head and is provided with the second through-hole, plunger on part
It is provided with plunger in housing, upper end, which is bulb shape structure setting, a third through-hole, and upper end shakes the head zero mounted on plunger
Inside part, plunger part upper end of shaking the head is provided with card slot and oil-through hole, plunger shake the head part on the outer shroud of universal plate component
Half bore coordinates, and the shake the head rotor chassis of part and rotor assembly of plunger housing connects.
The rotor assembly includes rotor upright, and rotor upright lower end is connected with rotor chassis, is set above rotor upright
Be equipped with the spline being connected with the spline on the center ring of universal plate component, rotor upright upper end be equipped with and extraneous engine or
Motor connects drive link, is provided on rotor chassis and shakes the head the groove that part is connected with the plunger housing of plunger assembly, groove
Bottom is provided with rotor assembly into outage, and groove top is set as jump-ring slot;Rotor chassis, which is mounted on, to be divided on food tray, and food tray is divided
On be provided with rotor assembly into corresponding point of food tray of outage into outage.
The beneficial effects of the invention are as follows:A kind of Novel plunger pump, which increase the reliabilities of plunger pump, improve
On the other hand service life changes the static pressure support construction of plunger pump by changing friction type, to reduce noise, drop
Low production cost, applied widely, practicability is preferable.Its reasonable design, it is simple in structure, production, it is easily manufactured.
Description of the drawings
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the axis geodesic structure schematic diagram of Fig. 1 of the present invention;
Fig. 3 is the swashplate bearing component structure diagram of the present invention;
Fig. 4 is the universal plate component structure diagram of the present invention;
Fig. 5 is the plunger assembly structural schematic diagram of the present invention;
Fig. 6 is the schematic cross-sectional view of Fig. 5 of the present invention;
Fig. 7 is the rotor component construction schematic diagram of the present invention;
Fig. 8 be the present invention divide oil disc structure schematic diagram.
As shown in the figure:1, oil pump case;2, oil pump case lid;3, sealing element;4, swashplate bearing component;5, universal plate group
Part;6, plunger assembly;7, divide food tray;8, rotor assembly;9, bearing;10, spring;11, bearing holder (housing, cover);12, fuel feed hole;13, oil extraction
Hole;14, divide food tray into outage;Ring on 4-1, swashplate bearing;4-2, the first axis pin;4-3, connecting rod;5-1, center ring;5-2,
Two axis pins;5-3, spline;5-4, intermediate ring;5-5, third axis pin;5-6, outer shroud;5-7, half bore;6-1, plunger housing;6-2, column
Plug;6-3, plunger housing are shaken the head part;6-4, plunger are shaken the head part;6-5, oil-through hole;6-6, card slot;6-7, first through hole;6-
8, the second through-hole;6-9, third through-hole;8-1, rotor upright;8-2, rotor chassis;8-3, rotor assembly are into outage;8-4, card
Spring slot;8-5, spline;8-6, drive link;8-7, groove.
Specific implementation mode
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
As shown in Fig. 1 to Fig. 8 a kind of Novel plunger pump, its main feature is that including oil pump case 1, the oil pump casing
1 top of body is provided with oil pump case lid 2, and swashplate bearing component 4 is provided in oil pump case 1, is arranged in swashplate bearing component 4
There are universal plate component 5,4 lower section of swashplate bearing component that plunger assembly 6 is installed, 6 lower part of plunger assembly is connected with rotor assembly 8,
It is provided with bearing holder (housing, cover) 11 between rotor assembly 8 and oil pump case 1,8 lower section of rotor assembly is provided with point food tray 7, on rotor assembly 8
Oil pump case lid 2 is stretched out in end across universal plate component 5, be provided between rotor assembly 8 and oil pump case lid 2 bearing 9 and
Sealing element 3, spring 10 are mounted on the rotor upright 8-1 of 5 lower section rotor assembly 8 of universal plate component, and 1 lower section of oil pump case is corresponding
Food tray 7 is divided to be provided with fuel feed hole 12 and outage 13.
Further, the swashplate bearing component 4 includes ring 4-1 on swashplate bearing, is provided on ring 4-1 on swashplate bearing
First axis pin 4-2 is additionally provided with connecting rod 4-3 on swashplate bearing below ring 4-1, ring 4-1 is that the main of oil pump being held on swashplate bearing
Component loaded, is provided with the arc track coordinated with universal plate component 5 on swashplate bearing in ring 4-1, ring on swashplate bearing
4-1 is mounted on by the first axis pin 4-2 on oil pump case 1, and when work is rotated around the first axis pin 4-2;Described is universal
For disk component 5 including being provided with spline 5-3 in center ring 5-1, centre ring 5-4 and outer shroud 5-6, center ring 5-1, center ring 5-1 is logical
The intermediate ring 5-4 for crossing third axis pin 5-5 and its periphery setting is connected, and intermediate ring 5-4 is arranged by the second axis pin 5-2 and its periphery
Outer shroud 5-6 be connected, the second axis pin 5-2 is mutually perpendicular to third axis pin 5-5, ring 4-1 compositions axis on outer shroud 5-6 and swashplate bearing
Sub-assembly is held, universal plate component 5 bears the powerful reaction force generated when plunger work and can realize rotation, on outer shroud 5-6
It is provided with multiple half bore 5-7 with plunger assembly cooperation.
Further, the plunger assembly 6 includes plunger housing 6-1, and the lower ends plunger housing 6-1 are ball head-like structure and set
It is equipped with first through hole 6-7, the lower ends plunger housing 6-1 are shaken the head mounted on plunger housing inside part 6-3, and plunger housing is shaken the head part
It is provided with the second through-hole 6-8 on 6-3, plunger 6-2 is provided in plunger housing 6-1, the upper ends plunger 6-2 are bulb shape structure setting
There are third through-hole 6-9, the upper ends plunger 6-2 to shake the head mounted on plunger inside part 6-4, plunger upper ends part 6-4 of shaking the head are provided with
Card slot 6-6 and oil-through hole 6-5, plunger shake the head part 6-4 and universal plate component 5 outer shroud 5-6 on half bore 5-7 coordinate, plunger
The housing part 6-3 that shakes the head is connect with the rotor chassis 8-2 of rotor assembly 8.
Further, the rotor assembly 8 includes rotor upright 8-1, the lower ends rotor upright 8-1 and rotor chassis 8-2 phases
Even, the faces 8-1 are provided with the spline 8-5 that the spline 5-3 on the center ring 5-1 with universal plate component 5 is connected in rotor upright, turn
The upper ends sub- column 8-1 are equipped with connects drive link 8-6 with extraneous engine or motor, is provided on the 8-2 of rotor chassis and column
The plunger housing of plug assembly 6 is shaken the head groove 8-7 connected part 6-3, and the bottoms groove 8-7 are provided with rotor assembly into outage 8-
It is set as jump-ring slot 8-4 at the top of 3, groove 8-7;Rotor chassis 8-2, which is mounted on, to be divided on food tray 7, is divided on food tray 7 and is provided with and rotor
Component is into corresponding point of food tray of outage 8-3 into outage 14.
A kind of Novel plunger pump, when oily air pump inoperative, the end face of swashplate bearing component 4 and the center line of oil pump
Square crossing is horizontal;When oil pump is started to work, hydraulic system pushes connecting rod to move upwards, and swashplate bearing component 4 is logical
It crosses two axis pins to be rotated up along the center line of swashplate bearing component, conversely, then rotating down, the size of rotational angle determines
The size of stroke when plunger motion, to determine the size of oil pump feed amount;Universal plate component 5 passes through the flower in center ring
The spline 8-5 of key 5-3 and rotor assembly 8 is attached to rotate synchronously with rotor assembly 8.When oil pump starts rotation,
Outer shroud 5-6 is rotated in the runway of bearing top half, and when plunger 6-2 is in oil pumping, outer shroud 5-6 is shaken the head part 6- by plunger
4 plunger 6-2 are stretched, and enter plunger 6-2 to make fluid pass through into oil discharge outlet, at the same time, outer shroud 5-6 is also through on plunger
Part of shaking the head ram compression, be discharged to make in plunger fluid pass through into oil discharge outlet;Rotor assembly upper end is to pass through transmission
Bar is connect with extraneous engine or motor, is moved by extraneous engine or motor connect band turn sub-component, and
The upper end is equipped with parts of bearings and sealing ring, and parts of bearings and sealing ring are separately mounted to above the lid of oil pump case.Institute
The compressed spring 10 stated, for universal plate component 5 is up pushed up along spline 8-5, after the completion of entire assembly, universal plate component
5 lubrication bearing protrusion cambered surface is just crushed in the runway of swashplate bearing top half, and spring 10 is constantly in compressive state, institute
With the situation that it will not fracture, plunger is promoted, the spring being sleeved in rotor upright in the operating mode of oil suction by swashplate bearing
It is longer, when swashplate bearing component 4 install it is in place after, spring 10 is at compressive state, and the upper end of spring 10 just withstands on universal
5 intermediate ring of disk component, 34 bottom, it tightly coincide outer shroud 36 with ring on the swashplate bearing of control swashplate bearing angle
Together.Oil inlet and oil outlet are arranged at oil pump case bottom, when oil pump as hydraulic pump in use, with swashplate bearing angle change
Change, the role of oil inlet and oil outlet can convert.When ring angle changes on swashplate bearing and column that outer shroud connects together
Plug assembly 6 just moves together, on swashplate bearing ring have constant slope when, after rotor assembly 8 starts rotation, plunger just with
This gradient moves reciprocatingly in plunger housing 41, completes the process of oil suction and oil extraction.
To limit the present invention, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement
Deng should all be included in the protection scope of the present invention.
Claims (4)
1. a kind of Novel plunger pump, it is characterized in that including oil pump case, the oil pump case top is provided with oil pump case lid
Son is provided with swashplate bearing component in oil pump case, is provided with universal plate component in swashplate bearing component, under swashplate bearing component
Side is equipped with plunger assembly, and plunger assembly lower part is connected with rotor assembly, and bearing is provided between rotor assembly and oil pump case
Set, rotor assembly lower section are provided with a point food tray, and rotor assembly upper end passes through universal plate component to stretch out oil pump case lid, rotor set
Bearing and sealing element are provided between part and oil pump case lid, spring is mounted on the rotor of rotor assembly below universal plate component
On column, correspondence divides food tray to be provided with fuel feed hole and outage below oil pump case..
2. a kind of Novel plunger pump as described in claim 1, it is characterised in that:The swashplate bearing component includes wobbler shaft
It holds ring, is provided with the first axis pin on swashplate bearing on ring, be additionally provided with connecting rod on swashplate bearing below ring, ring on swashplate bearing
For the component for being primarily subjected to load of oil pump, it is provided with the arc track coordinated with universal plate component in ring on swashplate bearing, tiltedly
Dish axle is held ring and is mounted on oil pump case by the first axis pin, and when work is rotated around the first axis pin;Described is universal
Disk component includes center ring, intermediate ring and outer shroud, is provided with spline in center ring, center ring is set by third axis pin and its periphery
The intermediate ring set is connected, and intermediate ring is connected by the second axis pin with the outer shroud of its periphery setting, the second axis pin and third axis pin phase
Mutually vertical, outer shroud forms Bearing assembly with ring on swashplate bearing, and universal plate component bears to generate when plunger work powerful
Reaction force simultaneously can realize rotation, and multiple half bore with plunger assembly cooperation are provided on outer shroud.
3. a kind of Novel plunger pump as described in claim 1, it is characterised in that:The plunger assembly includes plunger housing,
Plunger housing lower end is ball head-like structure and is provided with first through hole, and plunger housing lower end is shaken the head mounted on plunger housing in part
Portion, plunger housing shake the head and are provided with the second through-hole on part, and plunger is provided in plunger housing, and upper end is ball head-like structure
It is provided with third through-hole, upper end is shaken the head inside parts mounted on plunger, and plunger part upper end of shaking the head is provided with card slot and mistake
Oilhole, plunger shake the head part and universal plate component outer shroud on half bore coordinate, plunger housing is shaken the head part and rotor assembly
Rotor chassis connects.
4. a kind of Novel plunger pump as described in claim 1, it is characterised in that:The rotor assembly includes rotor upright,
Rotor upright lower end is connected with rotor chassis, is provided with above rotor upright and is connected with the spline on the center ring of universal plate component
Spline, rotor upright upper end is equipped with connect drive link with extraneous engine or motor, be provided on rotor chassis and
The plunger housing of plunger assembly is shaken the head the connected groove of part, and bottom portion of groove is provided with rotor assembly into outage, groove top
It is set as jump-ring slot;Rotor chassis, which is mounted on, to be divided on food tray, is divided on food tray and is provided with rotor assembly into corresponding point of outage
Food tray is into outage.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810201988.6A CN108302001B (en) | 2018-03-12 | 2018-03-12 | Plunger pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810201988.6A CN108302001B (en) | 2018-03-12 | 2018-03-12 | Plunger pump |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108302001A true CN108302001A (en) | 2018-07-20 |
CN108302001B CN108302001B (en) | 2023-09-22 |
Family
ID=62849741
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810201988.6A Active CN108302001B (en) | 2018-03-12 | 2018-03-12 | Plunger pump |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108302001B (en) |
Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB418584A (en) * | 1933-03-27 | 1934-10-29 | Frederick George Greenaway | Improvements in or relating to fluid pumps and motors |
AU3848085A (en) * | 1984-02-08 | 1985-08-15 | Hitachi Limited | Swash plate pump |
CN87105809A (en) * | 1986-08-25 | 1988-04-27 | 株式会社日立制作所 | Static pressure thrust beariing device for axial piston machines |
US20040144246A1 (en) * | 2003-01-28 | 2004-07-29 | Koelzer Robert L. | Swash plate containment assembly |
CN101016894A (en) * | 2006-02-09 | 2007-08-15 | 株式会社电装 | Tilted-plate compressor or sway tilted-plated compressor |
CN101305173A (en) * | 2005-09-23 | 2008-11-12 | 赫里特-扬·范罗塞姆 | Engine with pistons aligned parallel to the drive shaft |
WO2009022918A1 (en) * | 2007-08-10 | 2009-02-19 | Duke Engines Limited | Advance-retard mechanism for axial piston machine and axial piston machine incorporating such |
CN101573532A (en) * | 2007-01-05 | 2009-11-04 | 罗伯特·博世有限公司 | Hydraulic piston engine |
CN101910561A (en) * | 2008-09-08 | 2010-12-08 | 罗伯特·格林 | Straight-line piston fluid engine with wobble drive valve actuation |
CN102619720A (en) * | 2012-03-30 | 2012-08-01 | 华中科技大学 | Plunger type motor pump |
DE102013223450A1 (en) * | 2013-11-18 | 2015-05-21 | Robert Bosch Gmbh | Hydrostatic axial piston machine |
CN106593535A (en) * | 2015-10-14 | 2017-04-26 | 熵零控股股份有限公司 | Active driving fluid mechanism |
CN207906005U (en) * | 2018-03-12 | 2018-09-25 | 西北工业大学 | A kind of Novel plunger pump |
-
2018
- 2018-03-12 CN CN201810201988.6A patent/CN108302001B/en active Active
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB418584A (en) * | 1933-03-27 | 1934-10-29 | Frederick George Greenaway | Improvements in or relating to fluid pumps and motors |
AU3848085A (en) * | 1984-02-08 | 1985-08-15 | Hitachi Limited | Swash plate pump |
CN87105809A (en) * | 1986-08-25 | 1988-04-27 | 株式会社日立制作所 | Static pressure thrust beariing device for axial piston machines |
US20040144246A1 (en) * | 2003-01-28 | 2004-07-29 | Koelzer Robert L. | Swash plate containment assembly |
CN101305173A (en) * | 2005-09-23 | 2008-11-12 | 赫里特-扬·范罗塞姆 | Engine with pistons aligned parallel to the drive shaft |
CN101016894A (en) * | 2006-02-09 | 2007-08-15 | 株式会社电装 | Tilted-plate compressor or sway tilted-plated compressor |
CN101573532A (en) * | 2007-01-05 | 2009-11-04 | 罗伯特·博世有限公司 | Hydraulic piston engine |
WO2009022918A1 (en) * | 2007-08-10 | 2009-02-19 | Duke Engines Limited | Advance-retard mechanism for axial piston machine and axial piston machine incorporating such |
CN101910561A (en) * | 2008-09-08 | 2010-12-08 | 罗伯特·格林 | Straight-line piston fluid engine with wobble drive valve actuation |
CN102619720A (en) * | 2012-03-30 | 2012-08-01 | 华中科技大学 | Plunger type motor pump |
DE102013223450A1 (en) * | 2013-11-18 | 2015-05-21 | Robert Bosch Gmbh | Hydrostatic axial piston machine |
CN106593535A (en) * | 2015-10-14 | 2017-04-26 | 熵零控股股份有限公司 | Active driving fluid mechanism |
CN207906005U (en) * | 2018-03-12 | 2018-09-25 | 西北工业大学 | A kind of Novel plunger pump |
Also Published As
Publication number | Publication date |
---|---|
CN108302001B (en) | 2023-09-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105317670B (en) | Magnetic suspension sloping tray axial plunger piston pump | |
JP3288719B2 (en) | Axial plunger slurry pump | |
CN207906005U (en) | A kind of Novel plunger pump | |
CN106640514A (en) | Swash plate type high-pressure plunger motor with spherical surface distribution swash cylinder holes | |
CN108302001A (en) | A kind of Novel plunger pump | |
CN106014901B (en) | A kind of pressure-compensated end face oil distributing biserial radial piston variable displacement pump of annular piston | |
CN103470416A (en) | Radial plunger piston oil supplying pump applied to high-pressure common-rail fuel oil injection system | |
CN105179234B (en) | Gas-liquid mixing conveyance | |
CN108266372B (en) | Valve type flow distribution radial plunger emulsion pump | |
CN201433867Y (en) | Shaft-type hydraulic plunger pump or motor | |
US7267042B2 (en) | Hydraulic motor with telescopic propulsion members retained sealingly against associated contact surfaces by internal resilient means | |
CN208203545U (en) | A kind of valve type flow radial plunger emulsion pump | |
US3556690A (en) | Motor-driven pump for delivering liquids at a pressure substantially constant and independent from the delivery | |
CN210422902U (en) | Antipollution dual-redundancy variable plunger pump | |
CN203452954U (en) | Radial plunger oil feeding pump applied to high-pressure common-rail fuel injection system | |
CN201433865Y (en) | Improved inclined-shaft hydraulic plunger pump or a motor | |
US2677329A (en) | Rotary pump | |
CN101737284B (en) | Single eccentric center translation reciprocating mechanism | |
CN110486269A (en) | A kind of radial plunger pump and its plunger pair | |
CN203685505U (en) | Opposed-piston pump | |
CN103062005B (en) | Fluid clutch and use the diaphragm pump of this fluid clutch | |
US2010761A (en) | Rotary pump | |
CN213838815U (en) | High-pressure pump for jack cluster synchronous action | |
CN110500251B (en) | Load balance type radial plunger pump | |
CN109519351B (en) | Plunger return device for crankshaft connecting rod type radial plunger pump |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |