CN108343580A - A kind of hydraulic planger pump with self-suction function - Google Patents
A kind of hydraulic planger pump with self-suction function Download PDFInfo
- Publication number
- CN108343580A CN108343580A CN201810223037.9A CN201810223037A CN108343580A CN 108343580 A CN108343580 A CN 108343580A CN 201810223037 A CN201810223037 A CN 201810223037A CN 108343580 A CN108343580 A CN 108343580A
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- CN
- China
- Prior art keywords
- pump
- assembly
- sub
- mounting seat
- seat body
- 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.)
- Pending
Links
- 238000009434 installation Methods 0.000 claims abstract description 6
- 239000007787 solid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
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
- F04B23/00—Pumping installations or systems
- F04B23/04—Combinations of two or more pumps
- F04B23/08—Combinations of two or more pumps the pumps being of different types
- F04B23/10—Combinations of two or more pumps the pumps being of different types at least one pump being of the reciprocating positive-displacement type
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
Abstract
The invention discloses a kind of hydraulic planger pumps with self-suction function, include pump shaft, front pump sub-assembly, intermediate sub-assembly, rear pump group component, gear pump assembly, installation seat combined piece is installed between front pump sub-assembly and intermediate sub-assembly, the installation seat combined piece includes mounting seat body, the front end face of mounting seat body is fixedly installed in by stop screw on front pump sub-assembly, inlet port is provided in mounting seat body, mounting seat body is installed on by needle bearing on pump shaft.The present invention increases turbo blade at the inlet port of pump, using the high suction capacity of turbo blade, improves the input pressure of plunger pump inlet port, can be obviously improved the rotating speed of plunger pump.
Description
Technical field
The present invention relates to plunger pump fields, particularly belong to a kind of hydraulic planger pump with self-suction function.
Background technology
Plunger pump is an important device of hydraulic system, it is moved back and forth by plunger in cylinder body, makes seal operation
The volume of vessel changes to realize oil suction, pressure oil, plunger pump high, compact-sized, efficient and flow with rated pressure
The advantages that easy to adjust, is widely used in high pressure, big flow and flow and needs the occasion adjusted.But shaft type plunger pump
Suction capacity deficiency be always technical problem that industry is known.
Invention content
The object of the present invention is to provide a kind of hydraulic planger pumps with self-suction function, increase turbine leaf at the inlet port of pump
Piece improves the input pressure of plunger pump inlet port using the high suction capacity of turbo blade, can be obviously improved turning for plunger pump
Speed.
Technical scheme is as follows：
A kind of hydraulic planger pump with self-suction function, include pump shaft, front pump sub-assembly, intermediate sub-assembly, rear pump group component,
Gear pump assembly is equipped with installation seat combined piece, is equipped on front pump sub-assembly between front pump sub-assembly and intermediate sub-assembly
Front pump control valve group component, front pump oil distribution casing are equipped with rear pump control valve sub-assembly on rear pump group component, pump oil distribution casing afterwards；Institute
The installation seat combined piece stated includes mounting seat body, and the front end face of mounting seat body is fixedly installed in preceding pump group by stop screw
On component, inlet port is provided in mounting seat body, mounting seat body is installed on by needle bearing on pump shaft, and pump shaft stretches into oil suction
Mouth inner cavity is simultaneously equipped with turbo blade formation turbine pump, and turbo blade is fixedly installed in by gear spline set on pump shaft.
Front pump oil distribution casing groove is equipped at the mounting seat body front end face center.
The stop screw end is screwed with hexagon thin nut, and front pump combination is fixedly installed in for installing seat combined piece
On part.
Front end face, the rear end face of the mounting seat body are fixedly installed in front pump combination by elastic cylindrical pin respectively
On part, rear pump group component.
Increase a turbo blade at the inlet port of hydraulic planger pump of the present invention and form turbine pump, pump shaft drives turbo blade
Work, using the high suction capacity of turbine pump, to improve the input pressure of plunger pump oil inlet, can be obviously improved plunger pump
Rotating speed, and not will produce emptying phenomenon.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the mounting base assembling unit structure schematic diagram of the present invention.
Specific implementation mode
Referring to attached drawing, a kind of hydraulic planger pump with self-suction function includes pump shaft 10, front pump sub-assembly 1, intermediate group
Component 5, rear pump group component 9, gear pump assembly 7, are equipped with mounting base between front pump sub-assembly 1 and intermediate sub-assembly 5 and combine
Part 4 is equipped with front pump control valve group component 3, front pump oil distribution casing 2 on front pump sub-assembly 1, is pumped after being equipped on rear pump group component 9
Control valve group component 8, rear pump oil distribution casing 6；It includes mounting seat body 11, the front end face of mounting seat body 11 to install seat combined piece 4
It is fixedly installed on front pump sub-assembly 1 by stop screw 12, inlet port 13, mounting seat body 11 is provided in mounting seat body 11
It is installed on pump shaft 10 by needle bearing 14, pump shaft 10, which stretches into 13 inner cavity of inlet port and is equipped with turbo blade 15, forms turbine
Pump, turbo blade 15 are fixedly installed in by gear spline set 17 on pump shaft 10；
Front pump oil distribution casing groove 16 is equipped at 11 front end face center of mounting seat body；12 end of stop screw is screwed with the thin spiral shell of hexagonal
Mother 18, front pump sub-assembly 1 is fixedly installed in for installing seat combined piece 4；The front end face of mounting seat body 11, rear end face difference
It is fixedly installed in front pump sub-assembly 1, on rear pump group component 9 by elastic cylindrical pin 19.
Originally the plunger pump of 200mL/r discharge capacities has begun to be emptied in 1200r/min on experimental bench, that is, generates fuel feeding not
The phenomenon of foot, hydraulic planger pump B014 plunger pumpage 200mL/r of the invention not will produce suction as rotating speed 1950r/min
Empty phenomenon.
Claims (4)
1. a kind of hydraulic planger pump with self-suction function includes pump shaft, front pump sub-assembly, intermediate sub-assembly, the conjunction of rear pump group
Part, gear pump assembly are equipped with installation seat combined piece, are installed on front pump sub-assembly between front pump sub-assembly and intermediate sub-assembly
There are front pump control valve group component, front pump oil distribution casing, rear pump control valve sub-assembly is installed on rear pump group component, pumps oil distribution casing afterwards；
It is characterized in that, the installation seat combined piece includes mounting seat body, the front end face of mounting seat body is solid by stop screw
Dingan County is provided with inlet port, mounting seat body is installed on pump shaft by needle bearing loaded on front pump sub-assembly in mounting seat body
On, pump shaft, which stretches into inlet port inner cavity and is equipped with turbo blade, forms turbine pump, and turbo blade covers fixed peace by gear spline
Loaded on pump shaft.
2. the hydraulic planger pump with self-suction function according to claim 1, which is characterized in that the mounting seat body front end
Front pump oil distribution casing groove is equipped at the center of face.
3. the hydraulic planger pump with self-suction function according to claim 1, which is characterized in that the stop screw end spiral shell
Conjunction has hexagon thin nut, and front pump sub-assembly is fixedly installed in for installing seat combined piece.
4. the hydraulic planger pump with self-suction function according to claim 1, which is characterized in that before the mounting seat body
End face, rear end face are fixedly installed in front pump sub-assembly, on rear pump group component by elastic cylindrical pin respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810223037.9A CN108343580A (en) | 2018-03-19 | 2018-03-19 | A kind of hydraulic planger pump with self-suction function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810223037.9A CN108343580A (en) | 2018-03-19 | 2018-03-19 | A kind of hydraulic planger pump with self-suction function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108343580A true CN108343580A (en) | 2018-07-31 |
Family
ID=62957124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810223037.9A Pending CN108343580A (en) | 2018-03-19 | 2018-03-19 | A kind of hydraulic planger pump with self-suction function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108343580A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113586387A (en) * | 2021-07-16 | 2021-11-02 | 江苏欧盛液压科技有限公司 | Method and device for improving self-absorption capacity of axial plunger pump |
| CN116733712A (en) * | 2023-07-18 | 2023-09-12 | 江苏津润液压股份有限公司 | Impeller supercharging sloping cam type axial plunger double pump |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11230027A (en) * | 1998-02-13 | 1999-08-24 | Hitachi Constr Mach Co Ltd | Tandem-type swash plate hydraulic pump |
| CN2466378Y (en) * | 2000-12-28 | 2001-12-19 | 于雷海 | Check valve type combined pump |
| JP2007056810A (en) * | 2005-08-25 | 2007-03-08 | Komatsu Ltd | Swash plate type axial piston pump motor |
| CN103452787A (en) * | 2013-08-19 | 2013-12-18 | 山东常林机械集团股份有限公司 | Novel axial plunger pump for hydraulic excavator |
| CN106894962A (en) * | 2017-03-08 | 2017-06-27 | 重庆红江机械有限责任公司 | A kind of high-pressure high-flow hydraulic planger pump |
| CN208040647U (en) * | 2018-03-19 | 2018-11-02 | 安徽博一流体传动股份有限公司 | A kind of hydraulic planger pump with self-suction function |
-
2018
- 2018-03-19 CN CN201810223037.9A patent/CN108343580A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11230027A (en) * | 1998-02-13 | 1999-08-24 | Hitachi Constr Mach Co Ltd | Tandem-type swash plate hydraulic pump |
| CN2466378Y (en) * | 2000-12-28 | 2001-12-19 | 于雷海 | Check valve type combined pump |
| JP2007056810A (en) * | 2005-08-25 | 2007-03-08 | Komatsu Ltd | Swash plate type axial piston pump motor |
| CN103452787A (en) * | 2013-08-19 | 2013-12-18 | 山东常林机械集团股份有限公司 | Novel axial plunger pump for hydraulic excavator |
| CN106894962A (en) * | 2017-03-08 | 2017-06-27 | 重庆红江机械有限责任公司 | A kind of high-pressure high-flow hydraulic planger pump |
| CN208040647U (en) * | 2018-03-19 | 2018-11-02 | 安徽博一流体传动股份有限公司 | A kind of hydraulic planger pump with self-suction function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113586387A (en) * | 2021-07-16 | 2021-11-02 | 江苏欧盛液压科技有限公司 | Method and device for improving self-absorption capacity of axial plunger pump |
| CN116733712A (en) * | 2023-07-18 | 2023-09-12 | 江苏津润液压股份有限公司 | Impeller supercharging sloping cam type axial plunger double pump |
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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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180731 |