CN108412718A - A kind of double plunger pump of high-performance - Google Patents
A kind of double plunger pump of high-performance Download PDFInfo
- Publication number
- CN108412718A CN108412718A CN201810310254.1A CN201810310254A CN108412718A CN 108412718 A CN108412718 A CN 108412718A CN 201810310254 A CN201810310254 A CN 201810310254A CN 108412718 A CN108412718 A CN 108412718A
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- CN
- China
- Prior art keywords
- interior
- face
- pump shell
- organ timbering
- spring
- 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.)
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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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention discloses a kind of double plunger pumps of high-performance, including front pump shell, rear pump shell body, and flexible protective set is equipped in the outside of cylinder body and valve plate, and the outer surface of flexible protective set is provided with clamping sleeve；Throttling plate is installed in the inside of rear pump shell body, and more interior loop bars are installed on the end face of throttling plate, more outer loop bars are installed on the end face of cylinder body, helical spring is installed between interior loop bar and outer loop bar；One end contact of helical spring is on the side end face of throttling plate, and the other end contact of helical spring is on the end face of cylinder body.The present invention can improve its barrier propterty, can prevent it from generating noise, further increase its performance, increase driving moment when plunger pump work, can bear the large torque needed for heavy load, to improve the performance of plunger pump.
Description
Technical field
The present invention relates to plunger pump technique field more particularly to a kind of double plunger pumps of high-performance.
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.Plunger pump is widely used in high pressure, big flow and flow need the occasion adjusted, such as hydraulic press,
In engineering machinery and ship.Plunger pump can be divided into swash plate plunger pump and bent axis type axial piston pump according to structure, but either tiltedly
Disc type or bent axis type axial piston pump, common feature are all that the cylinder body of plunger relative rotation is reciprocating, and valve plate is fixed not
Dynamic, the relative rotary motion of cylinder body and valve plate is tangent and covering by realizes suction by cylinder body kidney-shaped mouth and valve plate kidney-shaped mouth
Row's, concrete condition depends on the design of distribution construction.The performance of current plunger pump need further improve with it is perfect.
Invention content
The present invention provides a kind of double plunger pump of high-performance to overcome deficiency in the prior art.
The present invention is achieved through the following technical solutions：
A kind of double plunger pump of high-performance, including front pump shell, rear pump shell body, the front pump shell have ear mount, are pumped after described
Shell has ear mount, and is installed together by bolt assembly between the front pump shell and rear pump shell body；Pump case in the rear
The inside of body is equipped with swash plate, sealing ring is equipped between the swash plate and the rear pump shell body, and in the outer oblique of the swash plate
Multiple outer row's piston shoes are installed on face, multiple interior row's piston shoes are installed in the outer inclined-plane of the swash plate, in outer row's piston shoes
On the first flexural pivot is installed, the second flexural pivot is installed on interior row's piston shoes, the inside of pump case is equipped with cylinder in the rear
Body is machined with multiple outer organ timbering consents and multiple interior organ timbering consents, in each outer row in described its direction of axis line of cylinder body upper edge
Outer organ timbering plug is installed in plunger hole, interior organ timbering plug is installed in each interior organ timbering consent；In the cylinder body and valve plate
Outside is equipped with flexible protective set, and the outer surface of flexible protective set is provided with clamping sleeve；Pump case is interior in the rear
Portion is equipped with throttling plate, and more interior loop bars are equipped on the end face of the throttling plate, is installed on the end face of the cylinder body
There are more outer loop bars, helical spring is installed between the interior loop bar and outer loop bar；It pushes up one end of the helical spring
It is against on the side end face of the throttling plate, the other end contact of the helical spring is on the end face of the cylinder body.
As the preferred technical solution of the present invention, outer row's spring, outer row's bullet are installed in the outer organ timbering consent
One end contact of spring is on the end face of the outer organ timbering plug, and other end contact is on the end face of the outer organ timbering consent, described
Interior row's spring is installed, one end contact of interior row's spring is on the end face of the outer interior organ timbering plug, separately in interior organ timbering consent
One end contact is on the end face of the interior organ timbering consent.
As the preferred technical solution of the present invention, spring bearing, the support shaft are installed in the outer surface of the cylinder body
The outer ring held is mounted in the inner wall card slot of the rear pump shell body.
As the preferred technical solution of the present invention, it is provided with valve plate on the end face of the cylinder body, in the valve plate
On be machined with multiple inner ring assignment holes and outer ring assignment hole, the inner ring assignment hole is communicated with the interior organ timbering consent, described outer
Circle assignment hole is communicated with the outer organ timbering consent.
As the preferred technical solution of the present invention, it is machined with inlet on the front pump shell, in the front pump shell
On be machined with liquid outlet, the inlet is connected through a screw thread with inlet tube, and the liquid outlet is connected through a screw thread with outlet tube.
As the preferred technical solution of the present invention, rolling bearing, the rolling bearing are installed in the front pump shell body
On transmission shaft, it is machined with keyway on the transmission shaft, flat key is installed in the keyway, in the front pump shell
One end cover board body is equipped with by screw, and carried out by rubber gasket between the cover board body and the front pump shell
Sealing, is equipped with axle envelope part, the axle envelope part is for realizing sealing in the outside of the transmission shaft.
As the preferred technical solution of the present invention, outer row's spring and interior row's spring are soft helical spring.
As the preferred technical solution of the present invention, stepped mounting hole is machined in pump case in the rear, in the rank
Screw is installed in ladder type mounting hole, to which swash plate to be mounted on to the inside of the rear pump shell body.
Compared with prior art, the beneficial effects of the invention are as follows：In the use of the present invention, front pump shell and rear pump shell body
It is linked together by bolt assembly, thus constitutes plunger pump inner cavity, the swash plate and rear pump shell body link together, in cylinder body
Outer organ timbering consent and interior organ timbering consent in outer row's spring and interior row interior organ timbering plug and outer organ timbering plug are pressed on swash plate two
On opposite inclined-plane.By being equipped with flexible protective set in the outside of cylinder body and valve plate, its barrier propterty can be improved, is passed through
It is provided with clamping sleeve, can prevent it from generating noise, further increase its performance, by the way that throttling plate is arranged, and is being throttled
More interior loop bars are installed on the end face of disk, more outer loop bars are installed on the end face of cylinder body, interior loop bar and outer loop bar it
Between helical spring is installed, increase driving moment when plunger pump work, the large torque needed for heavy load can be born.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Referring to Fig. 1, the double plunger pump of a kind of high-performance, including front pump shell 4, rear pump shell body 10, before described
Pump case 4 has ear mount, and the rear pump shell body 10 has ear mount, and passes through spiral shell between the front pump shell 4 and rear pump shell body 10
Bolt assembly 25 is installed together；The inside of pump case 10 is equipped with swash plate 11, the swash plate 11 and the rear pump shell in the rear
Sealing ring 15 is installed between body 10, and multiple outer row's piston shoes 14 are installed on the outer inclined-plane of the swash plate 11, described oblique
Multiple interior row's piston shoes 13 are installed in the outer inclined-plane of disk 11, first flexural pivot 27 are installed on outer row's piston shoes 14, described
Second flexural pivot 28 is installed, the inside of pump case 10 is equipped with cylinder body 8 in the rear, on the cylinder body 8 on interior row's piston shoes 13
Multiple outer organ timbering consents and multiple interior organ timbering consents are machined with along its direction of axis line, are equipped in each outer organ timbering consent outer
Organ timbering plug 19 is equipped with interior organ timbering plug 17 in each interior organ timbering consent.Outer row's spring is installed in the outer organ timbering consent
20, one end contact of outer row's spring 20 is on the end face of the outer organ timbering plug 19, and other end contact is in the outer organ timbering plug
On the end face in hole, interior row's spring 21 is installed in the interior organ timbering consent, one end contact of interior row's spring 21 is described
In outer on the end face of organ timbering plug 17, other end contact is on the end face of the interior organ timbering consent.Outer row's spring 20 and interior row
Spring 21 is soft helical spring.Spring bearing 16 is installed in the outer surface of the cylinder body 8, the spring bearing 16
Outer ring is mounted in the inner wall card slot 18 of the rear pump shell body 10.Valve plate 9 is provided on the end face of the cylinder body 8, in institute
It states and is machined with multiple inner ring assignment holes 91 and outer ring assignment hole 92 on valve plate 9, the inner ring assignment hole 91 and the interior organ timbering
Consent communicates, and the outer ring assignment hole 92 is communicated with the outer organ timbering consent.It is machined with inlet 7 on the front pump shell 4,
Liquid outlet 22 is machined on the front pump shell 4, the inlet 7 is connected through a screw thread with inlet tube, the liquid outlet 22
It is connected through a screw thread with outlet tube.Rolling bearing 6 is installed in the front pump shell 4, the rolling bearing 6 is mounted on transmission
On axis 2, it is machined with keyway on the transmission shaft 2, flat key 1 is installed in the keyway, in one end of the front pump shell 4
Cover board body 24 is installed by screw 3, and between the cover board body 24 and the front pump shell 4 by rubber gasket 5 into
Row sealing, is equipped with axle envelope part 23, the axle envelope part 23 is for realizing sealing in the outside of the transmission shaft 2.
Referring to Fig. 1, flexible protective set 29 is equipped in the outside of the cylinder body 8 and valve plate 9, in the flexible protective
The outer surface of set 29 is provided with clamping sleeve 30.
Referring to Fig. 1, the inside of pump case 10 is equipped with throttling plate 31 in the rear, and in the end face of the throttling plate 31
On more interior loop bars 32 are installed, more outer loop bars 33 are installed on the end face of the cylinder body 8, in the interior loop bar 32 and outer
Helical spring 34 is installed between loop bar 33；One end contact of the helical spring 34 is in the side end face of the throttling plate 31
On, the other end contact of the helical spring 34 is on the end face of the cylinder body 8.
Referring to Fig. 1, stepped mounting hole 12 is machined in pump case 10 in the rear, in the stepped mounting hole 12
In screw is installed, to by swash plate 11 be mounted on the rear pump shell body 10 inside.
When in use, front pump shell 4 and rear pump shell body 10 are linked together by bolt assembly 25, thus constitute plunger pump
Inner cavity, the swash plate 11 and rear pump shell body 10 link together, the outer row in outer organ timbering consent and interior organ timbering consent in cylinder body 8
Interior organ timbering plug 17 and outer organ timbering plug 19 are pressed on 11 two opposite inclined-planes of swash plate by spring 20 and interior row 21.By in cylinder body
8 and valve plate 9 outside be equipped with flexible protective set 29, its barrier propterty can be improved, can by being provided with clamping sleeve 30
It prevents it from generating noise, further increases its performance, by the way that throttling plate 31 is arranged, and installed on the end face of throttling plate 31
There are more interior loop bars 32, more outer loop bars 33 are installed on the end face of cylinder body 8, is installed between interior loop bar 32 and outer loop bar 33
There is helical spring 34, increase driving moment when plunger pump work, the large torque needed for heavy load can be born.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
For personnel it should be appreciated that the present invention is not limited to the above embodiments, described in the above embodiment and specification is only the present invention
Preference, be not intended to limit the present invention, without departing from the spirit and scope of the present invention, the present invention also has various
Changes and improvements, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by institute
Attached claims and its equivalent thereof.
Claims (8)
1. a kind of double plunger pump of high-performance, including front pump shell（4）, rear pump shell body（10）, the front pump shell（4）With ear
Seat, the rear pump shell body（10）With ear mount, and the front pump shell（4）With rear pump shell body（10）Between pass through bolt assembly
（25）It is installed together；
Pump case in the rear（10）Inside swash plate is installed（11）, the swash plate（11）With the rear pump shell body（10）Between
Sealing ring is installed（15）, and in the swash plate（11）Outer inclined-plane on multiple outer row's piston shoes are installed（14）, in the swash plate
（11）Outer inclined-plane on multiple interior row's piston shoes are installed（13）, in outer row's piston shoes（14）On the first flexural pivot is installed（27）,
In interior row's piston shoes（13）On the second flexural pivot is installed（28）, pump case in the rear（10）Inside cylinder body is installed（8）,
In the cylinder body（8）Its direction of axis line of upper edge is machined with multiple outer organ timbering consents and multiple interior organ timbering consents, in each outer row
Outer organ timbering plug is installed in plunger hole（19）, interior organ timbering plug is installed in each interior organ timbering consent（17）；It is characterized in that：
In the cylinder body（8）And valve plate（9）Outside flexible protective set is installed（29）, in the flexible protective set（29）'s
Outer surface is provided with clamping sleeve（30）；
Pump case in the rear（10）Inside throttling plate is installed（31）, and in the throttling plate（31）End face on be equipped with
More interior loop bars（32）, in the cylinder body（8）End face on more outer loop bars are installed（33）, in the interior loop bar（32）With it is outer
Loop bar（33）Between helical spring is installed（34）；
The helical spring（34）One end contact in the throttling plate（31）Side end face on, the helical spring（34）
Other end contact in the cylinder body（8）End face on.
2. the double plunger pump of a kind of high-performance according to claim 1, it is characterised in that：Pacify in the outer organ timbering consent
Equipped with outer row's spring（20）, outer row's spring（20）One end contact in the outer organ timbering plug（19）End face on, the other end
Contact is equipped with interior row's spring on the end face of the outer organ timbering consent in the interior organ timbering consent（21）, interior row's bullet
Spring（21）One end contact in the outer interior organ timbering plug（17）End face on, other end contact is in the end face of the interior organ timbering consent
On.
3. the double plunger pump of a kind of high-performance according to claim 2, it is characterised in that：In the cylinder body（8）Appearance
Face is equipped with spring bearing（16）, the spring bearing（16）Outer ring be mounted on the rear pump shell body（10）Inner wall card slot
（18）In.
4. the double plunger pump of a kind of high-performance according to claim 3, it is characterised in that：In the cylinder body（8）End face
On be provided with valve plate（9）, in the valve plate（9）On be machined with multiple inner ring assignment holes（91）With outer ring assignment hole（92）,
The inner ring assignment hole（91）It is communicated with the interior organ timbering consent, the outer ring assignment hole（92）With the outer organ timbering consent phase
It is logical.
5. the double plunger pump of a kind of high-performance according to claim 4, it is characterised in that：In the front pump shell（4）On
It is machined with inlet（7）, in the front pump shell（4）On be machined with liquid outlet（22）, the inlet（7）Pass through with inlet tube
It is threadedly coupled, the liquid outlet（22）It is connected through a screw thread with outlet tube.
6. the double plunger pump of a kind of high-performance according to claim 5, it is characterised in that：In the front pump shell（4）It is interior
Rolling bearing is installed（6）, the rolling bearing（6）Mounted on transmission shaft（2）On, in the transmission shaft（2）On be machined with key
Slot is equipped with flat key in the keyway（1）, in the front pump shell（4）One end pass through screw（3）Cover board body is installed
（24）, and in the cover board body（24）With the front pump shell（4）Between pass through rubber gasket（5）It is sealed, described
Transmission shaft（2）Outside axle envelope part is installed（23）, the axle envelope part（23）For realizing sealing.
7. the double plunger pump of a kind of high-performance according to claim 6, it is characterised in that：Outer row's spring（20）With it is interior
Arrange spring（21）It is soft helical spring.
8. the double plunger pump of a kind of high-performance according to claim 7, it is characterised in that：Pump case in the rear（10）On
It is machined with stepped mounting hole（12）, in the stepped mounting hole（12）In screw is installed, to by swash plate（11）Installation
Pump case in the rear（10）Inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810310254.1A CN108412718A (en) | 2018-04-09 | 2018-04-09 | A kind of double plunger pump of high-performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810310254.1A CN108412718A (en) | 2018-04-09 | 2018-04-09 | A kind of double plunger pump of high-performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108412718A true CN108412718A (en) | 2018-08-17 |
Family
ID=63134819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810310254.1A Pending CN108412718A (en) | 2018-04-09 | 2018-04-09 | A kind of double plunger pump of high-performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108412718A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4632640A (en) * | 1984-02-21 | 1986-12-30 | Sanden Corporation | Wobble plate type compressor with a capacity adjusting mechanism |
| CN2328811Y (en) * | 1997-09-23 | 1999-07-14 | 阎学富 | Electromagnetic control variable axial plunger pump |
| CN102155368A (en) * | 2011-05-24 | 2011-08-17 | 钱永平 | Novel high-pressure plunger pump |
| CN204200467U (en) * | 2014-11-03 | 2015-03-11 | 安徽理工大学 | A kind of bilateral driven equilibrium formula low-speed big axial piston motor |
| CN104895775A (en) * | 2014-03-03 | 2015-09-09 | 丹佛斯动力系统公司 | Variable load sense spring setting for axial piston open circuit pump |
| CN106321392A (en) * | 2015-07-11 | 2017-01-11 | 邵阳维克液压股份有限公司 | Axial plunger pump for hydraulic railway switching |
-
2018
- 2018-04-09 CN CN201810310254.1A patent/CN108412718A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4632640A (en) * | 1984-02-21 | 1986-12-30 | Sanden Corporation | Wobble plate type compressor with a capacity adjusting mechanism |
| CN2328811Y (en) * | 1997-09-23 | 1999-07-14 | 阎学富 | Electromagnetic control variable axial plunger pump |
| CN102155368A (en) * | 2011-05-24 | 2011-08-17 | 钱永平 | Novel high-pressure plunger pump |
| CN104895775A (en) * | 2014-03-03 | 2015-09-09 | 丹佛斯动力系统公司 | Variable load sense spring setting for axial piston open circuit pump |
| CN204200467U (en) * | 2014-11-03 | 2015-03-11 | 安徽理工大学 | A kind of bilateral driven equilibrium formula low-speed big axial piston motor |
| CN106321392A (en) * | 2015-07-11 | 2017-01-11 | 邵阳维克液压股份有限公司 | Axial plunger pump for hydraulic railway switching |
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|---|---|---|---|
| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180817 |