CN109356847A - A kind of quantitative ball piston pump - Google Patents
A kind of quantitative ball piston pump Download PDFInfo
- Publication number
- CN109356847A CN109356847A CN201811392620.9A CN201811392620A CN109356847A CN 109356847 A CN109356847 A CN 109356847A CN 201811392620 A CN201811392620 A CN 201811392620A CN 109356847 A CN109356847 A CN 109356847A
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- Prior art keywords
- pintle
- rotor
- pressure
- pump case
- cavity
- 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
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 48
- 238000003780 insertion Methods 0.000 claims abstract description 11
- 230000037431 insertion Effects 0.000 claims abstract description 11
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 20
- 230000033001 locomotion Effects 0.000 claims description 12
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000013461 design Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001746 atrial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
- F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to technical field of hydraulic pressure more particularly to a kind of quantitative ball piston pumps.Including pump case, end cap, pintle, main shaft, rotor, it is characterized by: the pump case is hollow cavity body structure, it opens wide at the top of the pump case and is matched with end cap, the main shaft lower end passes through the end cap upper end and is inserted into pump case cavity, the main shaft insertion end has been threadedly engaged charging turbine, and the charging turbine is fixedly connected with the rotor；The pump case bottom centre is provided with through hole, and the pintle upper end is inserted into the pintle across pump case bottom through hole and connection fixed thereto, and water outlet cavity is provided in the pintle, and the pintle side is provided with water outlet cavity water outlet；A kind of quantitative ball piston pump disclosed by the invention can carry out self-control to from output pressure, reduce the influence because of hydraulic system input element itself, its output performance is made to reach the setting requirements of system, and operate it is more stable, efficiently.
Description
Technical field
The present invention relates to technical field of hydraulic pressure more particularly to a kind of quantitative ball piston pumps.
Background technique
Hydraulic pump is the heart of hydraulic system, therefore the performance of hydraulic pump affects the performance of entire hydraulic system.Bulb stopper
Pump because of its big flow, low noise has obtained further research, now devises a constant displacement pump, it can be to from output pressure
Self-control is carried out, the influence because of hydraulic system input element itself is reduced, its output performance is made to reach the setting requirements of system,
And operate it is more stable, efficiently.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, adapt to reality and need, and provide a kind of quantitative ball piston pump.
In order to achieve the object of the present invention, the technical solution adopted by the present invention are as follows: a kind of quantitative ball piston pump, including pump case,
End cap, pintle, main shaft, rotor, the pump case are hollow cavity body structure, open wide at the top of the pump case and match with end cap
It closes, the main shaft lower end passes through the end cap upper end and is inserted into pump case cavity, and the main shaft insertion end has been threadedly engaged pressurization
Turbine, the charging turbine are fixedly connected with the rotor；The pump case bottom centre is provided with through hole, and the pintle upper end is worn
It crosses pump case bottom through hole to be inserted into the pintle and connection fixed thereto, it is empty to be provided with water outlet in the pintle
Chamber, the pintle side are provided with water outlet cavity water outlet；It is set with rotor in the pump case cavity of the pintle insertion end,
The pintle insertion end outer wall and rotor inner wall fit and relative motion, and negative pressure water inlet is provided on the pintle side wall
Mouthful and positive pressure water outlet, the positive pressure water outlet is connected to the water outlet cavity inside pintle, negative pressure water inlet upper end and
The valve body gap area of pintle is provided with water inlet on the end cap of the pintle upper end；The negative pressure water inlet and positive pressure
Multiple consents are equidistantly provided in the mutually level rotor sidewall of water outlet, the consent runs through rotor, each consent
It is inside provided with bulb stopper, the rotor outer sheath is equipped with rotor set, and the rotor set diameter is greater than root diameter and straight less than rotor
The sum of diameter and bulb stopper diameter；Rotor set side is provided with elastic device；Under normality, elastic device effect, to elastic device
Side offset deviates the vertical centerline of rotor, and motor drives main axis to drive rotor to rotate, in inertia force and centrifugation
Under the action of power, bulb stopper is close to stator sleeve inner wall and is moved, while bulb stopper is along the opposite bulb stopper of stator inner curve trajectory
Back and forth movement is made in hole, changes the working cavity volume generating period formed between its bulb stopper, bulb stopper hole and pintle, works as ball
When plug moves to eccentricity big place from the small place of eccentricity, working cavity volume becomes larger, to realize that low pressure inhales transmission
Medium, when moving to the small place of eccentricity from the big place of eccentricity on the contrary, working cavity volume becomes smaller, and high-voltage drive is situated between
Matter extrudes；When external condition is because of leakage, certain reasons such as blocking cause hydraulic pump output channel pressure to generate variation, work as pressure
When becoming smaller less than normal condition, elastic device elastic force is greater than pressure cavity pressure, so that stator sleeve is separate to center line, so that the period
The working cavity volume volume change of variation increases, so that discharge pressure increases, on the contrary, when pressure becomes larger greater than normal condition
When, elastic device elastic force is less than pressure cavity pressure, so that stator sleeve is drawn close to center line, so that the working cavity body of mechanical periodicity
Product volume change reduces so that discharge pressure is reduced, whereby to guarantee output pressure as defined in the design of hydraulic pump within the scope of.
The main shaft bottom is provided with ball-and-socket slot, and corresponding position is provided with ball-and-socket slot, institute at the top of the pintle
State the ball-and-socket being provided in main shaft ball-and-socket slot and pintle ball-and-socket slot for limit.
The rotor upper end is provided with cricoid limiting slot, and the charging turbine is arranged in the limiting slot and charging turbine
Outer wall is bonded with limiting slot inner wall, and the charging turbine is bolted to connection with limiting slot.
There are two the water outlet cavity water outlet settings of the pintle.
The elastic device includes spring, spring pedestal and movable block, and the spring pedestal and the movable block are
Side is equipped with the tubular structure of opening, and the spring pedestal opening is inserted and secured in the through hole of pump case side, described
Movable block open side is inserted into spring pedestal and can be with relative motion, and the movable block side is fixedly connected with rotor set, described
Spring is provided in cavity between spring pedestal and movable block；The pump case other side be provided with balance pressure difference pressure chamber into
The mouth of a river.
The beneficial effects of the present invention are:
The variable rate spring that a kind of quantitative ball piston pump disclosed by the invention can use different parameters to fabricate can be with
The change eccentricity force request for changing constant displacement pump makes the constant displacement pump meet a certain range of output requirement.
A kind of quantitative ball piston pump disclosed by the invention can carry out self-control to from output pressure, reduce because of hydraulic system
The influence of input element itself makes its output performance reach the setting requirements of system, and operate it is more stable, efficiently.
A kind of quantitative bulb stopper pump configuration disclosed by the invention is simple, and processing and manufacturing assembly is relatively easy to, and the scope of application is wider.
Detailed description of the invention
The present invention is described further with case study on implementation with reference to the accompanying drawing.
Fig. 1 is external structure schematic diagram of the invention；
Fig. 2 is sectional elevation schematic diagram；
Fig. 3 is horizontal sectional drawing；
Fig. 4 pintle schematic diagram；
Fig. 5 pump case schematic diagram；
Fig. 6 main shaft and charging turbine schematic diagram.
Wherein 1 main shaft, 2 water inlets, 3 end caps, 4 pump cases, 5 pressure chamber water inlets, 6 water outlet cavitys, 7 spring pedestals, 8 flows
Axis, 9 charging turbines, 10 rotors, 11 rotor sets, 12 ball-and-sockets, 14 bulb stoppers, 15 springs, 16 movable blocks, 17 water outlet cavity water outlets.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples:
Referring to Fig. 1-6.
It is described the invention discloses a kind of quantitative ball piston pump, including pump case 4, end cap 3, pintle 8, main shaft 1, rotor 10
Pump case 4 is hollow cavity body structure, opens wide at the top of the pump case 4 and matches with end cap 3,1 lower end of main shaft passes through described
3 upper end of end cap is inserted into 4 cavity of pump case, and 1 insertion end of main shaft has been threadedly engaged charging turbine 9, the charging turbine 9 with
Rotor 10 is fixedly connected；4 bottom centre of pump case is provided with through hole, and 8 upper end of pintle passes through 4 bottom of pump case
Through hole is inserted into the pintle 8 and connection fixed thereto, is provided with water outlet cavity 6, the flow in the pintle 8
8 side of axis is provided with water outlet cavity water outlet 17；It is set with rotor 10 in 4 cavity of pump case of 8 insertion end of pintle, it is described
8 insertion end outer wall of pintle and 10 inner wall of rotor fit and relative motion, and negative pressure water inlet is provided on 8 side wall of pintle
Mouth 18 and positive pressure water outlet 19, the positive pressure water outlet 19 are connected to the water outlet cavity 6 inside pintle 8, the negative pressure water inlet
The valve body gap area of mouthful 18 upper ends and pintle 8 is provided with water inlet 2 on the end cap 3 of 8 upper end of pintle；It is described negative
It is pressed on the mouth of a river 18 and mutually level 10 side wall of rotor of positive pressure water outlet 19 and is equidistantly provided with multiple consents, the consent passes through
Rotor 10 is worn, bulb stopper 14 is provided in each consent, 10 outer sheath of rotor is equipped with rotor set 11, the rotor set 11
Diameter is greater than 10 diameter of rotor and is less than the sum of 10 diameter of rotor and 14 diameter of bulb stopper；It is flexible that the rotor covers the setting of 11 sides
Device；Under normality, elastic device effect, rotor set 11 is deviated to elastic device side, deviates the vertical centerline of rotor 10, electricity
Machine drives the rotation of main shaft 1 to drive rotor 10 to rotate, and under the action of inertia force and centrifugal force, bulb stopper 14 is close to stator sleeve
11 inner walls are moved, while bulb stopper 14 makees back and forth movement with respect to bulb stopper hole along 10 inner curve trajectory of stator, make its bulb stopper,
The working cavity volume generating period variation formed between bulb stopper hole and pintle, when the bulb stopper place movement small from eccentricity
When to the big place of eccentricity, working cavity volume becomes larger, to realize that low pressure inhales driving medium, the ground big from eccentricity on the contrary
When side moves to eccentricity small place, working cavity volume becomes smaller, and high-voltage drive medium is extruded；When external condition is because letting out
Leakage, certain reasons such as blocking, causes hydraulic pump output channel pressure to generate variation, when pressure becomes smaller less than normal condition, bullet
Property device elastic force be greater than pressure cavity pressure so that stator sleeve 11 is separate to center line, so that the working cavity volume of mechanical periodicity
Volume change increases, so that discharge pressure increases, on the contrary, elastic device elastic force is less than when pressure becomes larger greater than normal condition
Pressure cavity pressure, so that the working cavity volume volume change of mechanical periodicity reduces, makes so that stator sleeve 11 is drawn close to center line
Discharge pressure is reduced, whereby to guarantee output pressure as defined in the design of hydraulic pump within the scope of.
1 bottom of main shaft is provided with ball-and-socket slot, and the 8 corresponding position in top of pintle is provided with ball-and-socket slot,
The ball-and-socket 12 for limit is provided in the 1 ball-and-socket slot of main shaft and 8 ball-and-socket slot of pintle.
10 upper end of rotor is provided with cricoid limiting slot, and the charging turbine 9 is arranged in the limiting slot and pressurization
9 outer wall of turbine is bonded with limiting slot inner wall, and the charging turbine 9 is bolted to connection with limiting slot.
There are two the settings of water outlet cavity water outlet 17 of the pintle 8.
The elastic device includes spring 15, spring pedestal 7 and movable block, the spring pedestal 7 and the movable block
It is the tubular structure that side is equipped with opening, 7 opening of spring pedestal is inserted and secured on the through hole of 4 side of pump case
It is interior, and can be with relative motion in the movable block open side insertion spring pedestal 7, the movable block side and rotor set 11 are fixed
It connects, is provided with spring in the cavity between the spring pedestal 7 and movable block；4 other side of pump case is provided with balance pressure
The pressure chamber water inlet 5 of difference.
Use principle of the invention is summarized as follows:
The constant displacement pump course of work in Fig. 1 is to drive charging turbine rotation, charging turbine when motor band is connected by main shaft
Connect with spring clip with rotor by pin, and then drive rotor rotation, while bulb stopper follows rotor to rotate, inertia force with from
Under the action of mental and physical efforts, bulb stopper is close to stator inner wall and is moved, while bulb stopper is along the opposite bulb stopper of stator inner curve trajectory
Back and forth movement is made in hole, changes the working cavity volume generating period formed between its bulb stopper, bulb stopper hole and pintle, works as ball
When plug moves to eccentricity big place from the small place of eccentricity, working cavity volume becomes larger, to realize that low pressure inhales transmission
Medium, when moving to the small place of eccentricity from the big place of eccentricity on the contrary, working cavity volume becomes smaller, and high-voltage drive is situated between
Matter extrudes.Bulb stopper constantly carries out cycle movement, so that high-voltage drive medium is endlessly exported, and driving medium exports
Hole is connect with rotor set right atrial pressure chamber water inlet, when output medium pressure is greater than variable rate spring active force at this time, will be turned
Sub-set is pressed to the left, and variable rate spring elastic force increases until balance, the eccentricity that rotor is covered with rotor become smaller, and output medium pressure becomes
It is small, when output medium pressure is small, under the action of variable rate spring power, rotor set is pressed to the right, rotor covers inclined with rotor
Away from becoming larger, output medium pressure becomes larger the heart, to realize the output medium pressure of autonomous adjustment quantitative pump.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalents made by bright specification and accompanying drawing content are applied directly or indirectly in relevant technical field, are similarly included in
In scope of patent protection of the invention.
Claims (5)
1. a kind of quantitative ball piston pump, including pump case (4), end cap (3), pintle (8), main shaft (1), rotor (10), feature exists
In: the pump case (4) is hollow cavity body structure, opens wide and matches with end cap (3), the main shaft at the top of the pump case (4)
(1) lower end passes through the end cap (3) upper end and is inserted into pump case (4) cavity, and main shaft (1) insertion end has been threadedly engaged pressurization
Turbine (9), the charging turbine (9) are fixedly connected with rotor (10)；Pump case (4) bottom centre is provided with through hole, institute
Pintle (8) upper end is stated to be inserted into the pintle (8) across the pump case (4) bottom through hole and connection fixed thereto,
Water outlet cavity (6) is provided in the pintle (8), pintle (8) side is provided with water outlet cavity water outlet (17)；Institute
It states and is set with rotor (10) in pump case (4) cavity of pintle (8) insertion end, pintle (8) the insertion end outer wall and rotor
(10) inner wall fits and relative motion, is provided with negative pressure water inlet (18) and positive pressure water outlet on pintle (8) side wall
(19), the positive pressure water outlet (19) the water outlet cavity (6) internal with pintle (8) is connected to, on the negative pressure water inlet (18)
The valve body gap area with pintle (8) is held, is provided with water inlet (2) on the end cap (3) of pintle (8) upper end；It is described
Multiple consents, institute are equidistantly provided on negative pressure water inlet (18) and positive pressure water outlet (19) mutually level rotor (10) side wall
It states consent to be provided with bulb stopper (14) in rotor (10), each consent, rotor (10) outer sheath is equipped with rotor set
(11), rotor set (11) diameter is greater than rotor (10) diameter and is less than the sum of rotor (10) diameter and bulb stopper (14) diameter；
Rotor set (11) side is provided with elastic device；Under normality, elastic device effect, rotor set (11) is to elastic device side
Offset deviates the vertical centerline of rotor (10), and motor drives main shaft (1) rotation to drive rotor (10) to rotate, in inertia
Under the action of power and centrifugal force, bulb stopper (14) is close to stator sleeve (11) inner wall and is moved, while bulb stopper (14) is along stator
(10) inner curve trajectory makees back and forth movement with respect to bulb stopper hole, makes the working chamber formed between its bulb stopper, bulb stopper hole and pintle
The variation of body volume generating period, when bulb stopper moves to the big place of eccentricity from the small place of eccentricity, working cavity body
Product becomes larger, thus realize that low pressure inhales driving medium, when moving to the small place of eccentricity from the big place of eccentricity on the contrary, work
Cavity volume becomes smaller, and high-voltage drive medium is extruded；When external condition is because of leakage, certain reasons such as blocking cause hydraulic pump defeated
Pipeline pressure generates variation out, and when pressure becomes smaller less than normal condition, elastic device elastic force is greater than pressure cavity pressure, so that fixed
Sub-set (11) is separate to center line, so that the working cavity volume volume change of mechanical periodicity increases, so that discharge pressure increases,
On the contrary, when pressure becomes larger greater than normal condition, elastic device elastic force is less than pressure cavity pressure, so that stator sleeve (11) is to center
Line is drawn close, so that the working cavity volume volume change of mechanical periodicity reduces, so that discharge pressure is reduced, whereby to guarantee output
Within the scope of pressure is as defined in the design of hydraulic pump.
2. a kind of quantitative ball piston pump according to claim 1, it is characterised in that: main shaft (1) bottom is provided with ball-and-socket
Slot, the corresponding position in pintle (8) top are provided with ball-and-socket slot, main shaft (1) the ball-and-socket slot and pintle (8) ball
The ball-and-socket (12) for limit is provided in socket.
3. a kind of quantitative ball piston pump according to claim 1, it is characterised in that: rotor (10) upper end is provided with ring-type
Limiting slot, the charging turbine (9) setting is in the limiting slot and charging turbine (9) outer wall is bonded with limiting slot inner wall, institute
Charging turbine (9) is stated to be bolted to connection with limiting slot.
4. a kind of quantitative ball piston pump according to claim 1, it is characterised in that: the water outlet cavity of the pintle (8) goes out
There are two the mouth of a river (17) settings.
5. a kind of quantitative ball piston pump according to claim 1, it is characterised in that: the elastic device include spring (15),
Spring pedestal (7) and movable block, the spring pedestal (7) and the movable block (16) are the tubular knot that side is equipped with opening
Structure, spring pedestal (7) opening are inserted and secured in the through hole of pump case (4) side, movable block (16) opening
Side is inserted into spring pedestal (7) and can be with relative motion, and movable block (16) side is fixedly connected with rotor set (11), described
Spring (15) are provided in cavity between spring pedestal (7) and movable block (16)；Pump case (4) other side is provided with balance
The pressure chamber water inlet (5) of pressure difference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811392620.9A CN109356847B (en) | 2018-11-21 | 2018-11-21 | Quantitative ball plug pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811392620.9A CN109356847B (en) | 2018-11-21 | 2018-11-21 | Quantitative ball plug pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109356847A true CN109356847A (en) | 2019-02-19 |
| CN109356847B CN109356847B (en) | 2024-05-03 |
Family
ID=65332541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811392620.9A Active CN109356847B (en) | 2018-11-21 | 2018-11-21 | Quantitative ball plug pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109356847B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109838380A (en) * | 2019-03-27 | 2019-06-04 | 银川市长城液压有限责任公司 | A kind of variable vane pump impact-proof structure |
| CN110360075A (en) * | 2019-08-15 | 2019-10-22 | 南昌谱瑞斯天泵业有限公司 | A kind of radial direction multirow vertical piston pump |
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| WO2009152692A1 (en) * | 2008-06-18 | 2009-12-23 | Shao Ruixun | Low speed high-pressure vane pump for hydraulic bicycle |
| CN103216406A (en) * | 2013-04-09 | 2013-07-24 | 西安交通大学 | Pump and motor all-in-one bulb stopper hydraulic pump capable of distributing oil by oil distribution disc |
| CN103591017A (en) * | 2013-11-11 | 2014-02-19 | 南昌尊荣泵业有限公司 | Middle and high-pressure radial pump with ballhead plungers |
| CN103603813A (en) * | 2013-11-11 | 2014-02-26 | 南昌尊荣泵业有限公司 | Turbocharging borehole immersed pump |
| CN106523350A (en) * | 2016-12-22 | 2017-03-22 | 苏州九合众成动力科技有限公司 | Adjustable inner curve-variable hydraulic pump or motor |
| CN107420300A (en) * | 2017-08-03 | 2017-12-01 | 南通大力锻压机床有限公司 | A kind of low-loss leaf formula ladder hydraulic press |
| CN209458114U (en) * | 2018-11-21 | 2019-10-01 | 南昌大学 | A kind of quantitative ball piston pump |
-
2018
- 2018-11-21 CN CN201811392620.9A patent/CN109356847B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009152692A1 (en) * | 2008-06-18 | 2009-12-23 | Shao Ruixun | Low speed high-pressure vane pump for hydraulic bicycle |
| CN103216406A (en) * | 2013-04-09 | 2013-07-24 | 西安交通大学 | Pump and motor all-in-one bulb stopper hydraulic pump capable of distributing oil by oil distribution disc |
| CN103591017A (en) * | 2013-11-11 | 2014-02-19 | 南昌尊荣泵业有限公司 | Middle and high-pressure radial pump with ballhead plungers |
| CN103603813A (en) * | 2013-11-11 | 2014-02-26 | 南昌尊荣泵业有限公司 | Turbocharging borehole immersed pump |
| CN106523350A (en) * | 2016-12-22 | 2017-03-22 | 苏州九合众成动力科技有限公司 | Adjustable inner curve-variable hydraulic pump or motor |
| CN107420300A (en) * | 2017-08-03 | 2017-12-01 | 南通大力锻压机床有限公司 | A kind of low-loss leaf formula ladder hydraulic press |
| CN209458114U (en) * | 2018-11-21 | 2019-10-01 | 南昌大学 | A kind of quantitative ball piston pump |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109838380A (en) * | 2019-03-27 | 2019-06-04 | 银川市长城液压有限责任公司 | A kind of variable vane pump impact-proof structure |
| CN110360075A (en) * | 2019-08-15 | 2019-10-22 | 南昌谱瑞斯天泵业有限公司 | A kind of radial direction multirow vertical piston pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109356847B (en) | 2024-05-03 |
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