CN106194625A - Hydraulic drive fluid pump - Google Patents
Hydraulic drive fluid pump Download PDFInfo
- Publication number
- CN106194625A CN106194625A CN201610664290.9A CN201610664290A CN106194625A CN 106194625 A CN106194625 A CN 106194625A CN 201610664290 A CN201610664290 A CN 201610664290A CN 106194625 A CN106194625 A CN 106194625A
- Authority
- CN
- China
- Prior art keywords
- oil
- fluid
- piston
- chamber
- pump housing
- 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
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
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
- F04B9/10—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid
- F04B9/109—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers
- F04B9/111—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers with two mechanically connected pumping members
- F04B9/115—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers with two mechanically connected pumping members reciprocating movement of the pumping members being obtained by two single-acting liquid motors, each acting in one direction
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- 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
- F04B3/00—Machines or pumps with pistons coacting within one cylinder, e.g. multi-stage
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
- Reciprocating Pumps (AREA)
Abstract
A kind of hydraulic drive fluid pump, including the pump housing and hydraulic means, fluid intake and fluid issuing are set on the pump housing, in the pump housing, pump housing inner chamber is separated into left grease chamber by left piston and right piston, left fluid chamber and right grease chamber, right fluid chamber, the two ends up and down of left fluid chamber and right fluid chamber are respectively provided with check valve, the one-way valved outlet of upper end connects described fluid issuing, the one-way valve inlet of lower end connects described fluid intake, left piston and right piston are arranged on the two ends of piston rod, piston rod is driven by described hydraulic means, left piston and right piston side-to-side movement, fluid constantly enters left fluid chamber and right fluid chamber from fluid intake, the fluid of left fluid chamber and right fluid chamber constantly flows out from fluid issuing.This hydraulic drive fluid pump uses double-piston reciprocating mode withdrawn fluid, uses hydraulic way to drive described double-piston to move back and forth, and work efficiency is high and convenient and flexible operation.
Description
Technical field
The present invention relates to a kind of fluid delivery pump, especially relate to a kind of double-piston and move back and forth the hydraulic pressure of withdrawn fluid
Driven fluid pump.
Background technology
Existing fluid delivery pump, has the kinds such as centrifugal, spiral and piston type, and existing piston fluid pump is most
That single-piston work efficiency is the highest, flow more difficult control during centrifugal fluid pump conveyance fluid and also before the use must venting
Air in pipeline.Existing fluid delivery pump the most entitled " a kind of concrete pumping equipment hydraulic system and concrete pumping
Equipment " application for a patent for invention of Patent No. " 201410355312.4 ", this application for a patent for invention relates to the technology of hydraulic control
Field, discloses a kind of concrete pumping equipment hydraulic system and concrete pumping equipment.This concrete pumping equipment hydraulic pressure system
System includes: two pumping oil cylinders that rod chamber leads to, and the rodless cavity of two pumping oil cylinders is by reversal valve respectively with oil pump even
Logical, the cylinder body of each pumping oil cylinder is provided with the 5th hydraulic fluid port, the 5th hydraulic fluid port connects the second oil circuit, and the second oil circuit is provided with
Discharge degree valve, when the 5th hydraulic fluid port is positioned at the oil pressure of rod chamber and rod chamber more than the setting oil pressure of discharge degree valve, has
The oil pressure of bar intracavity is unloaded by discharge degree valve.In technique scheme, by the 5th hydraulic fluid port be positioned at rod chamber and
The oil pressure of rod chamber is more than oil pressure when setting oil pressure in unloading rod chamber of discharge degree valve, thus has effectively alleviated bar
The pressure in chamber, improves the stability of whole hydraulic system.This concrete pumping equipment liquid disclosed in this application for a patent for invention
Pressure system and concrete pumping equipment, realized the conveying of concrete, the oil of two oil cylinders by two independent oil cylinder alternations
Road conversion is more complicated, and fluid transfer efficiency is low.
Summary of the invention
In order to solve in prior art, the problem that fluid delivery pump inefficiency is loaded down with trivial details with operation, the invention provides
A kind of hydraulic drive fluid pump, this hydraulic drive fluid pump efficiency is high, easy and simple to handle.
The present invention solves technical problem and be the technical scheme is that a kind of hydraulic drive fluid pump, including the pump housing and liquid
Pressure device, the described pump housing arranges fluid intake and fluid issuing, arranges left piston and right piston, described left work in the described pump housing
Described pump housing inner chamber is separated into left grease chamber and left fluid chamber by plug, described right piston described pump housing inner chamber is separated into right grease chamber and
Right fluid chamber, described left piston and described right piston side-to-side movement can change described left fluid chamber and the appearance of described right fluid chamber
Long-pending, the two ends up and down of described left fluid chamber and described right fluid chamber are respectively provided with check valve, described left fluid chamber and described right stream
The one-way valved outlet of upper end, body room connects described fluid issuing, and the check valve of described left fluid chamber and described right fluid chamber lower end enters
Mouth connects described fluid intake, and described left piston and described right piston are arranged on the two ends of piston rod, by described hydraulic means
Drive described piston rod, described left piston and described right piston side-to-side movement, make described left fluid chamber and described right fluid chamber
Volume be continually changing, such fluid constantly will enter described left fluid chamber and described right fluid chamber, institute from fluid intake
The fluid of Shu Zuo fluid chamber and described right fluid chamber constantly flows out from fluid issuing；Described hydraulic means includes oil sump, oil pump
And diverter, described diverter is movably arranged in the described pump housing, and described diverter closed at both ends becomes left oil pocket and right oil pocket, institute
Stating and arrange left oil guide groove and right oil guide groove on diverter, described piston rod is movably arranged in the described pump housing, and described piston is even
Arranging left annular groove and right annular groove on bar, described oil pump is connected between the oil inlet passage in described oil sump and the described pump housing, described
Oil drain passage in the pump housing connects described oil sump, and the left grease chamber passage in the described pump housing connects with described left grease chamber, the described pump housing
In right grease chamber passage connect with described right grease chamber；When described diverter moves to right stop, the connection of described right oil guide groove is described
Oil inlet passage and described right grease chamber passage, described left oil guide groove connects described oil drain passage and described left grease chamber passage；Described work
When plug link motion is to right stop, described right annular groove connects described oil inlet passage and described right oil pocket, and described left annular groove connects institute
State oil drain passage and described left oil pocket；When described diverter moves to left stop, described right oil guide groove connects described oil drain passage
With described right grease chamber passage, described left oil guide groove connects described oil inlet passage and described left grease chamber passage；Described piston rod is transported
When moving left stop, described right annular groove connects described oil drain passage and described right oil pocket, and described left annular groove connects described oil-feed and leads to
Road and described left oil pocket.When described oil pump constantly extracts the oil plant described oil inlet passage of input from described oil sump, will push away
Dynamic described left piston, described right piston, described piston rod and the continuous side-to-side movement of described diverter.
The invention has the beneficial effects as follows: owing to a kind of hydraulic drive fluid pump of the present invention uses double-piston reciprocating
Mode withdrawn fluid, uses hydraulic way to drive described double-piston to move back and forth, and work efficiency is high and convenient and flexible operation.
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the schematic diagram of the present invention.
Fig. 2 is a kind of kinestate schematic diagram of Fig. 1 middle pump body interior arrangement.
Fig. 3 is the another kind of kinestate schematic diagram of Fig. 1 middle pump body interior arrangement.
In figure, the implication of each reference is: 1. the pump housing；2. oil sump；3. fluid intake；4. check valve；The most left work
Plug；The most left fluid chamber；7. piston rod；The most left grease chamber；9. oil pump；10. fluid issuing；11. right grease chambeies；12. is right
Fluid chamber；13. right pistons；14. right annular grooves；15. oil drain passages；16. left annular grooves；17. left oil ducts；18. left oil pockets；
19. left oil guide groove；20. left grease chamber passages；21. right grease chamber passages；22. right oil guide groove；23. diverters；24. right oil pockets；
25. right oil ducts；26. oil inlet passages.
Detailed description of the invention
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of hydraulic drive fluid pump, including the pump housing 1 and hydraulic means, on the described pump housing 1
Arranging fluid intake 3 and fluid issuing 10, arrange left piston 5 and right piston 13 in the described pump housing 1, described left piston 5 is by described
The pump housing 1 inner chamber is separated into left grease chamber 8 and left fluid chamber 6, and the described pump housing 1 inner chamber is separated into right grease chamber 11 He by described right piston 13
Right fluid chamber 12, described left piston 5 and the side-to-side movement of described right piston 13 can change described left fluid chamber 6 and described right fluid chamber
The volume of 12.The two ends up and down of described left fluid chamber 6 and described right fluid chamber 12 are respectively provided with check valve 4, described left fluid chamber 6
With the check valve 4 outlet described fluid issuing 10 of connection of described right fluid chamber 12 upper end, described left fluid chamber 6 and described right fluid
Check valve 4 entrance of lower end, room 12 connects described fluid intake 3.Described left piston 5 and described right piston 13 are arranged on piston even
The two ends of bar 7, are driven described piston rod 7, described left piston 5 and the side-to-side movement of described right piston 13 by described hydraulic means,
The volume making described left fluid chamber 6 and described right fluid chamber 12 is continually changing, and such fluid will constantly enter from fluid intake 3
Entering described left fluid chamber 6 and described right fluid chamber 12, the fluid of described left fluid chamber 6 and described right fluid chamber 12 is constantly from stream
Body outlet 10 outflow.It is described that described hydraulic means includes that oil sump 2, oil pump 9 and diverter 23, described diverter 23 are movably arranged on
In the pump housing 1, described diverter 23 closed at both ends becomes left oil pocket 18 and right oil pocket 24, and described diverter 23 arranges left oil guide groove 19
With right oil guide groove 22, described piston rod 7 is movably arranged in the described pump housing 1, and described piston rod 7 arranges left annular groove 16 He
Right annular groove 14, described oil pump 9 is connected between the oil inlet passage 26 in described oil sump 2 and the described pump housing 1, in the described pump housing 1
Oil drain passage 15 connects described oil sump 2, and the left grease chamber passage 20 in the described pump housing 1 connects with described left grease chamber 8, the described pump housing 1
In right grease chamber passage 21 connect with described right grease chamber 11；When described diverter 23 moves to right stop, described right oil guide groove 22
Connect described oil inlet passage 26 and described right grease chamber passage 21, described oil pump 9 extract from described oil sump 2 oil plant pass through described in enter
Oil passage 26 is input in described right grease chamber 11 promote described right piston 13 to move right, and described left oil guide groove 19 connects described row
Oil passage 15 and described left grease chamber passage 20, the oil plant in described left grease chamber 8 is discharged from described oil drain passage 15；Described piston is even
When bar 7 moves to right stop, described right annular groove 14 connects described oil inlet passage 26 and described right oil pocket 24, institute by right oil duct 25
State oil pump 9 extract from described oil sump 2 oil plant by described oil inlet passage 26 be input in described right oil pocket 24 promote described in change
To device 23 to left movement, described left annular groove 16 connects described oil drain passage 15 and described left oil pocket 18 by left oil duct 17, described
Oil plant in left oil pocket 18 is discharged from described oil drain passage 15；When described diverter 23 moves to left stop, described right oil guide groove
22 connect described oil drain passage 15 and described right grease chamber passages 21, and described left oil guide groove 19 connects described oil inlet passage 26 and described
Left grease chamber passage 20, described oil pump 9 extracts oil plant from described oil sump 2 and is input to described left grease chamber by described oil inlet passage 26
Promoting described left piston 5 to left movement in 8, the oil plant in described right grease chamber 11 is discharged from described oil drain passage 15；Described piston
When connecting rod 7 moves to left stop, described right annular groove 14 connects described oil drain passage 15 and described right oil pocket 24 by right oil duct 25,
Described left annular groove 16 connects described oil inlet passage 26 and described left oil pocket 18 by left oil duct 17, and described oil pump 9 is from described oil sump 2
Middle extraction oil plant is input in described left oil pocket 18 promote described diverter 23 to move right by described oil inlet passage 26, described
Oil plant in right oil pocket 24 is discharged from described oil drain passage 15.When described oil pump 9 extract from described oil sump 2 oil plant constantly from
When described oil inlet passage 26 inputs, described left piston 5, described right piston 13, described piston rod 7 and described commutation will be promoted
The continuous side-to-side movement of device 23.
Claims (1)
1. a hydraulic drive fluid pump, including the pump housing (1) and hydraulic means, the described pump housing (1) is arranged fluid intake (3) and
Fluid issuing (10), it is characterised in that: the described pump housing (1) arranges left piston (5) and right piston (13), described left piston (5)
The described pump housing (1) inner chamber is separated into left grease chamber (8) and left fluid chamber (6), and described right piston (13) is by the described pump housing (1) inner chamber
It is separated into right grease chamber (11) and right fluid chamber (12), described left piston (5) and described right piston (13) side-to-side movement and can change institute
Shu Zuo fluid chamber (6) and the volume of described right fluid chamber (12), described left fluid chamber (6) and described right fluid chamber (12) upper and lower
Two ends are respectively provided with check valve (4), and check valve (4) outlet of described left fluid chamber (6) and described right fluid chamber (12) upper end is even
Connecing described fluid issuing (10), check valve (4) entrance of described left fluid chamber (6) and described right fluid chamber (12) lower end connects institute
State fluid intake (3), described left piston (5) and described right piston (13) and be arranged on the two ends of piston rod (7), by described hydraulic pressure
Device drives described piston rod (7), described left piston (5) and described right piston (13) side-to-side movement；Described hydraulic means bag
Oil scraper pond (2), oil pump (9) and diverter (23), described diverter (23) is movably arranged in the described pump housing (1), described commutation
Device (23) closed at both ends becomes left oil pocket (18) and right oil pocket (24), described diverter (23) arranges left oil guide groove (19) and the right side is led
Oil groove (22), described piston rod (7) is movably arranged in the described pump housing (1), and described piston rod arranges left annular groove on (7)
(16) and right annular groove (14), described oil pump (9) be connected to described oil sump (2) and the oil inlet passage (26) in the described pump housing (1) it
Between, the oil drain passage (15) in the described pump housing (1) connects described oil sump (2), left grease chamber passage (20) in the described pump housing (1) with
Described left grease chamber (8) connects, and right grease chamber passage (21) in the described pump housing (1) connects with described right grease chamber (11)；Described commutation
When device (23) moves to right stop, described right oil guide groove (22) connects described oil inlet passage (26) and described right grease chamber passage
(21), described left oil guide groove (19) connects described oil drain passage (15) and described left grease chamber passage (20)；Described piston rod (7)
When moving to right stop, described right annular groove (14) connects described oil inlet passage (26) and described right oil pocket (24), described left annular groove
(16) described oil drain passage (15) and described left oil pocket (18) are connected；When described diverter (23) moves to left stop, the described right side
Oil guide groove (22) connects described oil drain passage (15) and described right grease chamber passage (21), enters described in the connection of described left oil guide groove (19)
Oil passage (26) and described left grease chamber passage (20)；When described piston rod (7) moves to left stop, described right annular groove (14) is even
Logical described oil drain passage (15) and described right oil pocket (24), described left annular groove (16) connects described oil inlet passage (26) and a described left side
Oil pocket (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610664290.9A CN106194625A (en) | 2016-08-13 | 2016-08-13 | Hydraulic drive fluid pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610664290.9A CN106194625A (en) | 2016-08-13 | 2016-08-13 | Hydraulic drive fluid pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106194625A true CN106194625A (en) | 2016-12-07 |
Family
ID=57515410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610664290.9A Pending CN106194625A (en) | 2016-08-13 | 2016-08-13 | Hydraulic drive fluid pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106194625A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1084615A (en) * | 1993-08-20 | 1994-03-30 | 邓本立 | Air drive pump |
| CN101225808A (en) * | 2007-12-28 | 2008-07-23 | 西安交通大学 | Reciprocating-piston compressor or fluid pump driven by gas or liquid |
| CN201221460Y (en) * | 2008-05-21 | 2009-04-15 | 李春强 | Pneumatic diaphragm pump |
| CN101560966A (en) * | 2009-05-11 | 2009-10-21 | 赵宽学 | Fluid pump driven by compressed air |
| US20100278668A1 (en) * | 2009-05-01 | 2010-11-04 | Trout John F | Fluid pump assembly |
| CN201730780U (en) * | 2010-06-18 | 2011-02-02 | 宝鸡石油机械有限责任公司 | Hydraulically driven difunctional multi-cylinder slurry pump |
| CN102094776A (en) * | 2009-12-09 | 2011-06-15 | 上海汽车制动***有限公司 | Oppositely arranged swing piston type vacuum pump used for automobiles |
| CN203627113U (en) * | 2013-11-26 | 2014-06-04 | 浙江理工大学 | Integrated valve type gas drive liquid booster pump |
| CN105484963A (en) * | 2015-12-30 | 2016-04-13 | 李建刚 | Hydraulic slurry pump |
-
2016
- 2016-08-13 CN CN201610664290.9A patent/CN106194625A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1084615A (en) * | 1993-08-20 | 1994-03-30 | 邓本立 | Air drive pump |
| CN101225808A (en) * | 2007-12-28 | 2008-07-23 | 西安交通大学 | Reciprocating-piston compressor or fluid pump driven by gas or liquid |
| CN201221460Y (en) * | 2008-05-21 | 2009-04-15 | 李春强 | Pneumatic diaphragm pump |
| US20100278668A1 (en) * | 2009-05-01 | 2010-11-04 | Trout John F | Fluid pump assembly |
| CN101560966A (en) * | 2009-05-11 | 2009-10-21 | 赵宽学 | Fluid pump driven by compressed air |
| CN102094776A (en) * | 2009-12-09 | 2011-06-15 | 上海汽车制动***有限公司 | Oppositely arranged swing piston type vacuum pump used for automobiles |
| CN201730780U (en) * | 2010-06-18 | 2011-02-02 | 宝鸡石油机械有限责任公司 | Hydraulically driven difunctional multi-cylinder slurry pump |
| CN203627113U (en) * | 2013-11-26 | 2014-06-04 | 浙江理工大学 | Integrated valve type gas drive liquid booster pump |
| CN105484963A (en) * | 2015-12-30 | 2016-04-13 | 李建刚 | Hydraulic slurry pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161207 |
|
| RJ01 | Rejection of invention patent application after publication |