CN206129510U - Does can realize fluid energy recuperation's inclined disc type axial live plunger pump - Google Patents

Does can realize fluid energy recuperation's inclined disc type axial live plunger pump Download PDF

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Publication number
CN206129510U
CN206129510U CN201621108602.XU CN201621108602U CN206129510U CN 206129510 U CN206129510 U CN 206129510U CN 201621108602 U CN201621108602 U CN 201621108602U CN 206129510 U CN206129510 U CN 206129510U
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China
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fluid
plunger
cylinder body
work
energy
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Expired - Fee Related
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CN201621108602.XU
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Chinese (zh)
Inventor
刘思远
王闯
刘建勋
杨梦雪
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Yanshan University
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Yanshan University
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Abstract

The utility model discloses an is does can realize fluid energy recuperation's inclined disc type axial live plunger pump by the pump body, end cover, sloping cam plate, return stroke dish, central spring unit, cylinder body, work primary member and auxiliary constitutions such as plunger, valve plate, pump shaft and bearing. For realizing energy recuperation, the utility model discloses a being equipped with step jar hole and corresponding fluid passage in the cylinder body, is the jar hole rather than interior work formed 3 closed chamber of energy recuperation chamber, pressure boost chamber and high pressure chest between the plunger, the valve plate adopts two split type structures. Is energy recuperation living the energy recuperation chamber is introduced with high pressure abandonment fluid through corresponding fluid passage to the plunger in -process of retracting in to the cylinder body, utilize high pressure abandonment fluid to living the next realization of high -pressure useful fluidic extrusion is accomplished together to plunger acting and external force. At this in -process high pressure abandonment fluidic energy constantly through living piston on the plunger directly transmits the useful fluid of giving the pressure boost intracavity, does not have intermediate link energy loss, has improved energy recovery efficiency.

Description

The inclined disc type axially work-plunger displacement pump that achievable fluid energy is reclaimed
Technical field
This utility model is related to technical field of energy recovery, the swash plate that more particularly to a kind of achievable fluid energy is reclaimed Formula axial direction work-plunger displacement pump.
Background technology
With the development of society, pursuit more and more higher of the people to capacity usage ratio.Lead in the commercial production for being related to fluid Domain, typically produces high-pressure fluid to drive actuator to work using fluid pump, and often produces contain in this process There are the disposal fluids of certain pressure, these can cause energy dissipation containing directly discarding for pressure fluid, cause the energy utilization of system Rate is low.For example in reverse osmosis seawater desalting engineering, high pressure raw water can produce fresh water and high pressure after reverse osmosis unit 60% feed pressure energy is there are about in concentrated seawater, wherein high pressure concentrated seawater, directly discharge will cause huge energy dissipation, and Concentrated seawater directly can not be mixed with raw water again, therefore how to reclaim this portion of energy is to improve whole system capacity usage ratio Key.
For rationally using the energy of disposal fluids, various forms of energy recycle devices occur in succession.But existing energy is returned Receiving apparatus still have the following disadvantages:1) there is intermediate link in energy regenerating, cause the secondary waste of energy;2) energy recovery process The middle mixing that there is high-pressure exhaust fluid and low pressure material flow, causes the pollution of material flow;3) device is complicated, and parts are numerous It is many and higher to control system requirement, increased cost of investment.
The content of the invention
For the defect for overcoming prior art to exist, this utility model provides one kind and can reduce energy transmission link, segmentation Disposal fluids are with material flow and simple structure is capable of achieving the inclined disc type axially work-plunger displacement pump that fluid energy is reclaimed.
For achieving the above object, technical scheme below is employed:
A kind of inclined disc type axially work-plunger displacement pump that achievable fluid energy is reclaimed, its main parts size includes the pump housing, end Lid, swash plate, return plate, central spring component, cylinder body, work-plunger, valve plate and pump shaft.The pump housing includes the front pump housing with after The pump housing;The end cap includes drive end bearing bracket and rear end cap;The swash plate is placed in the groove of rear end cap and is entered by the first alignment pin Row is fixed, and swash surfaces form an angle with cylinder body axis, and the corner dimension affects the discharge capacity of each chamber of cylinder body;The valve plate For two Split type structures, including the first valve plate, the second valve plate, first, second valve plate is positioned respectively by second, third Pin is fixed on the front pump housing;The cylinder body is tightly placed on pump shaft by spline, is placed between swash plate and valve plate, and cylinder body outside is logical Cross clutch shaft bearing to be supported in the rear pump housing;The contact surface of the cylinder body and valve plate is in step-like distribution, the ring shaped contact of cylinder body Face is in close contact with the first valve plate, forms the first Port Plate Pair, and the circular contact face of cylinder body and the second valve plate are in close contact, shape Into the second Port Plate Pair;Some cylinder holes are circumferentially uniformly arranged in cylinder body, each cylinder holes is respectively provided with corresponding fluid passage, in cylinder holes Work-the plunger of respective numbers is set, is formed different chamber and is connected with corresponding fluid passage;The work-plunger external part is hinged There are piston shoes, and piston shoes are close on swash plate by return plate effect;The return plate middle part is provided with and matches with central spring component The concave spherical surface of conjunction;The central spring component includes steel ball, inner sleeve, central spring and overcoat, and central spring component passes through overcoat In pump shaft, connected with return plate by steel ball;The pump shaft is supported in front pump body by second bearing, in front pump body Fluid intake corresponding with the fluid passage is provided with outlet, front pump external body is connected with drive end bearing bracket.
The cylinder holes of the cylinder body is step cylinder holes, and the step cylinder holes is provided with fairlead set in the one end near swash plate It is mounted on the work-plunger, the fairlead is fixed by spring hoop, and then step cylinder holes, fairlead and work-post 3 chambers are formed between plug, near piston shoes end energy regenerating chamber, booster cavity and high pressure chest are respectively defined as;It is described each Cylinder holes is provided with corresponding fluid passage including fluid passage one, two, three;Be provided with the front pump body corresponding fluid intake with Outlet includes that reclaiming fluid intake, recovery fluid issuing, the useful fluid intake of low pressure, charging fluid outlet and high-pressure fluid goes out Mouthful;The wherein connection energy regenerating chamber of fluid passage one and recovery fluid intake, outlet, the connection booster cavity of fluid passage two and low pressure Useful fluid intake is exported with charging fluid, and fluid passage tee joint high pressure chest and the useful fluid intake of low pressure go out with high-pressure fluid Mouthful.
Work-plunger in the step cylinder holes can divide energy regenerating chamber piston rod, piston, high pressure chest post in addition to bulb 3 parts of stopper rod, wherein energy regenerating chamber diameter of piston rod be able to can also be differed with high pressure chest plunger shank diameter with identical.
The correspondence recovery fluid intake and outlet on first valve plate is respectively equipped with recovery fluid suction assignment hole Assignment hole is discharged with fluid is reclaimed;The useful fluid intake of correspondence low pressure, charging fluid outlet and high pressure on second valve plate Fluid issuing is respectively equipped with the useful fluid suction assignment hole of low pressure, charging fluid discharges assignment hole and high-pressure fluid discharges flow Hole.
During pump work, cylinder body rotation, swash plate and valve plate is driven to maintain static by pump shaft, work-plunger does with cylinder body and revolves It is reciprocating along cylinder bore in the presence of swash plate and return plate while transhipment is dynamic.Work-plunger at it from bottom to top Gradually protruding, the booster cavity and high pressure chest in its 3 seal operation cavity volume formed with cylinder holes during rotation in semi-circumference Volume is continuously increased, and produces parital vacuum, and then completes the useful fluid of low pressure by corresponding fluids passage in valve plate and the pump housing Suction, while the volume in energy regenerating chamber constantly reduces, discharge has completed the low pressure disposal fluids of energy regenerating;Work-plunger In its top-down semi-circumference rotate when gradually into cylinder body retract, its 3 seal operation cavity volume formed with cylinder holes In booster cavity and the volume of high pressure chest constantly reduce, complete to be pressurized and the useful fluid of high pressure discharge, while energy regenerating chamber Volume be continuously increased, suck high-pressure exhaust fluid, reclaim disposal fluids energy.With the rotation of cylinder body, work-plunger is constantly inhaled Enter, discharge useful fluid, while discharging, sucking disposal fluids, and then complete the relatively stable high-pressure fluid discharge of pressure, flow With the recovery of disposal fluids energy.The booster cavity and high pressure chest are discharged the pressure of fluid and depend on outer load, can be with identical Can be with difference.The energy regenerating be living-during plunger retracts into cylinder body, by high-pressure exhaust fluid to work-post What plug acting was realized to reduce output power of motor;In the process the energy of high-pressure exhaust fluid constantly passes through work-plunger On piston be directly passed to the useful fluid of booster cavity and high pressure intracavity, there is no intermediate link energy loss, and then improve Energy recovery efficiency.
Compared with prior art, this utility model has the advantage that:
1st, living-during plunger retracts into cylinder body, high-pressure exhaust fluid is introduced into energy regenerating chamber with external force together The useful fluid of low pressure is pressurizeed, the energy regenerating that the demand to external force realizes disposal fluids is reduced;
2nd, the energy of high-pressure exhaust fluid is directly passed to the useful fluid of supercharging intracavity by the piston on work-plunger, There is no intermediate link, reduce energy loss;
3rd, energy regenerating chamber size, Jin Er can be controlled by changing the plunger shank diameter in work-plunger energy regenerating chamber The control to energy recovery rate is realized in the case of only changing work-plunger and fairlead;
4th, the cylinder bore of fairlead and high pressure chest combines the guide effect that both play, and can overcome again by centrifugal moment and friction Tilt phenomenon in the work-plunger course of work caused by the tilting moments such as torque;
5th, with booster cavity and the pressure stage airtight chamber of high pressure chest two, it is capable of achieving to discharge fluid to booster cavity and high pressure chest Pressure, flow are individually controlled.
Description of the drawings
Fig. 1 is this utility model structure sectional view;
Fig. 2 is cylinder holes of the present utility model and work-piston structure sectional view;
Fig. 3 is the first port plate structure schematic diagram of the present utility model;
Fig. 4 is the second port plate structure schematic diagram of the present utility model.
In figure:1- rear end caps;2- spring hoops;3- fairleads;4- piston shoes;The alignment pins of 5- first;6- return plates;7- is oblique Disk;8- steel balls;9- inner sleeves;10- central springs;11- overcoats;12- clutch shaft bearings;13- cylinder bodies;14- work-plunger;14.1- energy Reclaim chamber piston rod;14.2- pistons;14.3- high pressure chest plunger rod;The valve plates of 15- first;The alignment pins of 16- second;17- is reclaimed Fluid intake;18- charging fluids are exported;19- high pressure fluid outputs;The pump housing before 20-;The valve plates of 21- second;22- the 3rd is positioned Pin;23- drive end bearing brackets;24- second bearings;25- pump shafts;The useful fluid intake of 26- low pressure;27- reclaims fluid issuing;Pump after 28- Body;29- leak fluids are exported;30- reclaims fluid suction assignment hole;31- reclaims fluid and discharges assignment hole;The useful stream of 32- low pressure Body sucks assignment hole;33- charging fluids discharge assignment hole;34- high-pressure fluids discharge assignment hole;R- energy regeneratings chamber;B- is pressurized Chamber;H- high pressure chests;A, b, c- fluid passage one, two, three.
Specific embodiment
This utility model is described further with reference to the accompanying drawings and examples:
As shown in figure 1, the inclined disc type axially work-plunger that a kind of achievable fluid energy of this utility model embodiment is reclaimed Pump includes the pump housing, end cap, swash plate, return plate, central spring component, cylinder body, work-plunger assembly, valve plate, pump shaft and bearing etc. Main parts size and auxiliary.The pump housing includes the front pump housing 20 and the rear pump housing 28;End cap includes drive end bearing bracket 23 and rear end cap 1;Institute State swash plate 7 to be placed in the groove of rear end cap 1 and be fixed by the first alignment pin 5, swash surfaces and the axis of cylinder body 13 are into one Clamp angle, the corner dimension affects the discharge capacity of each chamber of cylinder body 13;The cylinder body 13 is tightly placed on pump shaft 25 by spline, is placed in Between swash plate 7 and valve plate, and its outside is supported in the rear pump housing 28 by clutch shaft bearing 12;Cylinder body 13 and two valve plates Contact surface is in step-like distribution, is in close contact with the first valve plate 15 at its annular contact surface, circular contact face and the second flow Disk 21 is in close contact;Some cylinder holes are circumferentially uniformly provided with cylinder body 13, the work-plunger 14 for matching is provided with cylinder holes;It is described The external part of work-plunger 14 is hinged with piston shoes 4, and piston shoes 4 are close on swash plate 7 by the effect of return plate 6;In the return plate 6 Portion is provided with the concave spherical surface being engaged with central spring component;The central spring component includes steel ball 8, inner sleeve 9, central spring 10 With overcoat 11;The valve plate includes the first valve plate 15 and the second valve plate 21, and the two passes through respectively the He of the second alignment pin 16 3rd alignment pin 22 is fixed on the front pump housing 20;The pump shaft 25 is supported in the front pump housing 20 by second bearing 24;The front pump housing It is provided with drive end bearing bracket 23 outside 20 to be sealed.
To realize energy regenerating, as shown in Fig. 2 being provided with step cylinder holes in cylinder body of the present utility model 13, cylinder holes is being leaned on One end of nearly swash plate is provided with fairlead 3, and fairlead 3 is fixed by spring hoop 2, for sealed chamber and guarantee work-post The axiality of plug 14 and cylinder body 13.And then 3 chambers of formation between cylinder holes, fairlead 3 and work-plunger 14:Energy regenerating chamber R, Booster cavity B and high pressure chest H, wherein energy regenerating chamber R are used for the energy regenerating of disposal fluids, and booster cavity B is used to be pressurized low pressure original Fluid, high pressure chest H is used to boost low pressure original fluid.Each cylinder holes in cylinder body 13 be equipped with a of corresponding fluids passage one, The b of fluid passage two, the c of fluid passage three, the wherein a of fluid passage one be used for connect energy regenerating chamber R and reclaim fluid intake 17 and Outlet 27;The b of fluid passage two is used to connect booster cavity B and the useful fluid intake 26 of low pressure with charging fluid outlet 18;Fluid leads to The c of road three is used to connect high pressure chest H and the useful fluid intake 26 of low pressure and high pressure fluid output 19.
Match with cylinder holes, work-plunger 14 of the present utility model can be divided into 3 parts in addition to bulb:Energy regenerating chamber Piston rod 14.1, piston 14.2, high pressure chest plunger rod 14.3.Wherein energy regenerating chamber piston rod 14.1 determines energy regenerating chamber R Volume size, high pressure chest plunger rod 14.3 determine high pressure chest H volume size, piston 14.2 be used for split energy regenerating chamber R With booster cavity B.In addition the diameter of energy regenerating chamber plunger rod 14.1 can be with identical also different from the diameter of high pressure chest plunger rod 14.3.
Valve plate of the present utility model be two Split type structures as shown in Figure 3 and Figure 4.Correspondence is reclaimed on first valve plate 15 Fluid intake 17 and outlet 27 are respectively equipped with recovery fluid suction assignment hole 30 and reclaim fluid discharges assignment hole 31, for returning Receiving fluid carries out flow;Useful fluid intake 26, the charging fluid outlet 18 of correspondence low pressure and high-pressure fluid on second valve plate 21 Outlet 19 is respectively equipped with the useful fluid suction assignment hole 32, charging fluid of low pressure and discharges assignment hole 34 and high-pressure fluid discharge flow Hole 35, for carrying out flow to the useful fluid of low pressure.
During pump work, cylinder body 13 is driven to rotate by pump shaft 25, work-plunger 14 rotates in its semi-circumference from bottom to top When it is gradually protruding, the volume of energy regenerating chamber R constantly reduces, and the disposal fluids Jing fluid passages one of energy regenerating have been completed Assignment hole 31 is discharged from fluid issuing 27 is reclaimed on a and the first valve plate 15, while the volume of booster cavity B and high pressure chest H is continuous Increase, produce parital vacuum, and then by corresponding fluids in assignment hole 32 on useful the second valve plates of fluid Jing 21 of low pressure and the pump housing The b of passage two, three c are sucked from the useful fluid intake 26 of low pressure;When work-plunger 14 rotates in its top-down semi-circumference gradually Retract into cylinder body 13, the volume of energy regenerating chamber R is continuously increased, assignment hole 30 on the first valve plates of high-pressure exhaust fluid Jing 15 Energy regenerating chamber R, the fluid pressure direct effect in the R of energy regenerating chamber are introduced with a of fluid passage one from fluid intake 17 is reclaimed Living-piston 14.2 of plunger 14 on, auxiliary external force is pressurizeed to the fluid in booster cavity B and high pressure chest H, while booster cavity The volume of B and high pressure chest H constantly reduces, by pressurization after the useful b of fluid Jing corresponding fluids passage two, the c of fluid passage three and Assignment hole 33,34 is discharged from charging fluid outlet 18, high pressure fluid output 19 on two valve plates 21.So far the rotation of cylinder body 13 one Week, while completing the pressurization of the energy regenerating to disposal fluids and the useful fluid of low pressure.
Embodiment described above is only that preferred implementation of the present utility model is described, not to this practicality New scope is defined, and on the premise of without departing from this utility model design spirit, those of ordinary skill in the art are to this Various modifications and improvement that the technical scheme of utility model is made, all should fall into the protection of this utility model claims determination In the range of.

Claims (5)

1. the inclined disc type axially work-plunger displacement pump that a kind of achievable fluid energy is reclaimed, it is characterised in that:It is mainly by the pump housing, end Lid, swash plate, return plate, central spring component, cylinder body, work-plunger, valve plate and pump shaft composition;The pump housing includes the front pump housing With the rear pump housing;The end cap includes drive end bearing bracket and rear end cap;The swash plate is placed in the groove of rear end cap and by the first positioning Pin is fixed, and swash surfaces form an angle with cylinder body axis;The valve plate is two Split type structures, including the first flow Disk, the second valve plate, first, second valve plate is fixed on the front pump housing respectively by second, third alignment pin;The cylinder body leads to Cross spline to be tightly placed on pump shaft, be placed between swash plate and valve plate, cylinder body outside is supported in the rear pump housing by clutch shaft bearing;Institute State cylinder body to be in close contact in step-like distribution, the annular contact surface of cylinder body and the first valve plate with the contact surface of valve plate, formed First Port Plate Pair, the circular contact face of cylinder body and the second valve plate are in close contact, and form the second Port Plate Pair;It is circumferentially equal in cylinder body Even to arrange some cylinder holes, each cylinder holes is respectively provided with corresponding fluid passage, cylinder holes the work-plunger for arranging respective numbers, is formed Different chamber is connected with corresponding fluid passage;The work-plunger external part is hinged with piston shoes, and piston shoes are acted on by return plate It is close on swash plate;The return plate middle part is provided with the concave spherical surface being engaged with central spring component;The central spring component Including steel ball, inner sleeve, central spring and overcoat, central spring component is arranged in pump shaft, by steel ball and backhaul by overcoat Disk connects;The pump shaft is supported in front pump body by second bearing, and flow corresponding with the fluid passage is provided with front pump body Body entrance is connected with outlet, front pump external body with drive end bearing bracket.
2. the inclined disc type axially work-plunger displacement pump that a kind of achievable fluid energy according to claim 1 is reclaimed, its feature exists In:The axial cylinder holes of the cylinder body is step cylinder holes, and the step cylinder holes is provided with fairlead set in the one end near swash plate It is mounted on the work-plunger, the fairlead is fixed by spring hoop, and then step cylinder holes, fairlead and work-post Energy regenerating chamber, 3 chambers of booster cavity and high pressure chest are formed between plug;Described each circumferential cylinder holes is provided with corresponding fluid and leads to Road includes fluid passage one, two, three;Corresponding fluid intake is provided with the front pump body and is exported, including recovery fluid intake, Reclaim fluid issuing, the useful fluid intake of low pressure, charging fluid outlet and high pressure fluid output;Wherein fluid passage one connects energy Amount reclaims chamber and recovery fluid intake, outlet, the connection booster cavity of fluid passage two and the useful fluid intake of low pressure and charging fluid Outlet, fluid passage tee joint high pressure chest and the useful fluid intake of low pressure and high pressure fluid output.
3. the inclined disc type axially work-plunger displacement pump that a kind of achievable fluid energy according to claim 2 is reclaimed, its feature exists In:Work-plunger in the step cylinder holes can divide energy regenerating chamber piston rod, piston, high pressure chest plunger rod 3 in addition to bulb Individual part, wherein energy regenerating chamber diameter of piston rod be able to can also be differed with high pressure chest plunger shank diameter with identical.
4. the inclined disc type axially work-plunger displacement pump that a kind of achievable fluid energy according to claim 2 is reclaimed, its feature exists In:The correspondence recovery fluid intake and outlet on first valve plate is respectively equipped with recovery fluid suction assignment hole and recovery Fluid discharges assignment hole;The useful fluid intake of correspondence low pressure, charging fluid outlet and high-pressure fluid go out on second valve plate Mouth is respectively equipped with the useful fluid suction assignment hole of low pressure, charging fluid discharges assignment hole and high-pressure fluid discharges assignment hole.
5. the inclined disc type axially work-plunger displacement pump that a kind of achievable fluid energy according to claim 1 is reclaimed, its feature exists In:Corner dimension between the swash surfaces and cylinder body axis is associated with the discharge capacity of cylinder body different chamber.
CN201621108602.XU 2016-10-10 2016-10-10 Does can realize fluid energy recuperation's inclined disc type axial live plunger pump Expired - Fee Related CN206129510U (en)

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CN201621108602.XU CN206129510U (en) 2016-10-10 2016-10-10 Does can realize fluid energy recuperation's inclined disc type axial live plunger pump

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CN201621108602.XU CN206129510U (en) 2016-10-10 2016-10-10 Does can realize fluid energy recuperation's inclined disc type axial live plunger pump

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108238664A (en) * 2017-12-30 2018-07-03 北京工业大学 Integral type low pulse sea water desalination energy regenerating supercharging device
RU2792490C1 (en) * 2020-05-18 2023-03-22 Владимир Федорович Фомин Axial plunger pump with power recovery

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108238664A (en) * 2017-12-30 2018-07-03 北京工业大学 Integral type low pulse sea water desalination energy regenerating supercharging device
RU2792490C1 (en) * 2020-05-18 2023-03-22 Владимир Федорович Фомин Axial plunger pump with power recovery

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Granted publication date: 20170426

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