CN105986982A - Pressure fluid driven reciprocating pump - Google Patents
Pressure fluid driven reciprocating pump Download PDFInfo
- Publication number
- CN105986982A CN105986982A CN201510076823.7A CN201510076823A CN105986982A CN 105986982 A CN105986982 A CN 105986982A CN 201510076823 A CN201510076823 A CN 201510076823A CN 105986982 A CN105986982 A CN 105986982A
- Authority
- CN
- China
- Prior art keywords
- cylinder cover
- piston
- connecting rod
- valve
- back cylinder
- 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
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The invention discloses a pressure fluid driven reciprocating pump. The pressure fluid driven reciprocating pump comprises two power ends, two single pumps and a reversing valve, wherein pressure fluid serves as power of the power ends; the single pumps are composed of pump ends where pumping elements driven by movement elements of the power ends are located; the two movement elements are mechanically connected; connectors making the pressure fluid communicate with a reversing control port of the reversing valve when the movement elements just reach the tail end of the operation stroke are arranged on elements, capable of reflecting displacement of the movement elements, of the power ends; and switching of the reversing valve is achieved by directly using the pressure fluid from a power cavity where the pressure fluid works, and the reversing valve and a reversing loop are both quite simple. Thus, the obtained pressure fluid driven reciprocating pump is also quite simple. Positioning steel balls are arranged at the two ends of the reversing valve, and accordingly operation of the obtained pressure fluid driven reciprocating pump is quite reliable. A pump set formed by two or more identical pressure fluid driven reciprocating pumps can achieve approximately constant-flow operation easily and reliably. The pressure fluid driven reciprocating pump is particularly suitable for pumping various kinds of flammable and combustible fluid or strongly corrosive fluid in the chemical industry, the petroleum industry and the like, and also suitable for occasions with a severe working environment.
Description
(1) technical field
The present invention relates to a kind of reciprocating pump, the pressurized fluid driven that a kind of specifically pressure fluid is used as power is past
Multiple pump.
(2) background technology
Reciprocating pump is to be changed by the reciprocating motion of element in pump chamber (piston, plunger, barrier film, bellows etc.)
Become pump chamber internal volume, make a kind of fluid machinery being carried fluid by the flow determining and pressure venting.2011
" oil drilling and r eoovery machine outline " that June in year, publishing house of China University Of Petroleum Beijing published describes several oilfield to be made
Hydraulic-driven reciprocating pump, it is indicated that: hydraulic-driven reciprocating pump eliminates the machine driving of original reciprocating pump, main
Body structure is greatly simplified；The power fluid of hydraulic jack derives from hydraulic system, can meet high pressure, become discharge capacity,
Far distance automatic controlling and different action requests；Easily realize that long stroke, low jig frequency run, be conducive to improving
The service life of pump hydraulic end consumable accessory；Piston (or plunger) in actuator cylinder and pumping cylinder is in the most of the time
At the uniform velocity move back and forth, the liquid Uniform Flow being easily guaranteed that in suction main and discharge header, cancel suck and
Shock absorber for output；To approximate the transport pump liquid of constant flow, dividing by conveying liquid can be protected to greatest extent
Subchain exempts from destruction.The existing self-operated type high pressure using in exploitation, storage and conveying Natural gas pipeline system
Alchol-injection pump, in utilizing gas pipeline, natural gas pressure itself drives high pressure alchol-injection pump to note to gas pipeline for power
Enter alcohol liquid anti-freeze inhibitors.The hydraulic piston pump using in oil exploitation, relies on high voltage power liquid to drive down-hole
Hydraulic motor.The steam pump using in steam boiler water supply system and in the industry such as chemical industry, it is simply that be with steam
Power.Widely used membrane pump in the industries such as chemical industry, colliery, medicine, weaving, process hides, printing, one
As all with compressed air as power.Above-mentioned reciprocating pump is all to be used as power with pressure fluid, by the motion unit of power end
Part drives the pumping element of pump end, may be collectively referred to as pressurized fluid driven reciprocating pump.Existing various pressure current
Body drives reciprocating pump reversal valve and commutation loop structure complicated, often has reversal valve ineffective in work, and pump shuts down
Phenomenon.The reversal valve of several hydraulic-driven reciprocating pumps that above-mentioned " oil drilling and r eoovery machine outline " is introduced and commutation
Loop is all considerably complicated, and wherein the hydraulic system of-34 one kinds of pressure-adjusted pumps of Fig. 5 is by two cylinder four chamber double-acting pumps
Body, the two-position four-way inserted valve of two cuff pilot valves and pilot control oil sources are formed, and commutation is by position sensor
L, R switching pilot valve completes, and its reversal valve and commutation loop are just very complicated；It is a kind of long that Fig. 8-40 introduces
Stroke double acting hydraulic piston pump uses the differential type changement being located in the middle of pump also still more complicated.
(3) content of the invention
It is an object of the invention to overcome the above-mentioned deficiency of prior art, a kind of reversal valve and commutation loop structure are provided
All very simple, the very reliable pressurized fluid driven reciprocating pump of operation.And then can two or more by the present invention
Identical pressurized fluid driven reciprocating pump composition pump group, realization approximation constant flow simple, reliable runs.
The object of the present invention is achieved like this: a kind of pressurized fluid driven reciprocating pump, including two with pressure current
Body is the power end of power and the list being made up of the pump end at the pumping element place of the motor element drive of power end
Pump, and reversal valve, the motor element of two power ends has mechanical connection, makes pressure fluid hand over by means of reversal valve
For the power cavity connecting two power ends, promote motor element to move back and forth, drive pumping element pumping fluid,
Power end can reflect that arranging motor element on the element of motor element displacement reaches exactly to make during impulse stroke end
Pressure fluid is switched to the interface of reversal valve commutation control mouth, straight from the power cavity that pressure fluid works wherein
Connecing and quoting pressure fluid to make reversal valve switch, reversal valve two ends set locking ball.
Pressurized fluid driven reciprocating pump of the present invention, the motor element of power end is piston, described power end
The element that can reflect motor element displacement be the cylinder barrel that piston moves wherein, cylinder barrel wall is just provided with piston
Pressure fluid is made to be switched to the interface of reversal valve commutation control mouth, two described lists when reaching impulse stroke end
Pump is opposing, and the back cylinder cover of power end unites two into one, and two-piston is connected by the connecting rod through back cylinder cover；Or it is described
Two single pumps relative, two-piston is connected by symmetrically arranged two connecting rods through two front end housings；Or it is described
Two single pump cocurrent and parallels or cross arrangement, after connecting rod in power cavity for the two-piston each passes oneself
Cylinder cap, is connected by a steel wire rope walking around pulley.
Pressurized fluid driven reciprocating pump of the present invention, the unit that motor element displacement can be reflected of described power end
Part is the rod member being connected with motor element, and said two list pump is opposing, and the back cylinder cover of power end unites two into one,
Two motor elements are connected by a connecting rod through back cylinder cover, and the described rod member being connected with motor element is one
Root connecting rod, this connecting rod is provided with motor element and reaches exactly to make pressure fluid be switched to during impulse stroke end
The interface of reversal valve commutation control mouth, when the interface in described connecting rod all to pass through at the two ends of reversal valve,
Set check valve at interface；Or said two list pump is opposing, the back cylinder cover of power end unites two into one, two motion units
Part is connected by through symmetrically arranged two connecting rods of back cylinder cover, and the described rod member being connected with motor element is two
Root connecting rod, described power end motor element reaches exactly to make pressure fluid be switched to commutation during impulse stroke end
The interface of valve commutation control mouth sets up separately in two connecting rods；Said two list pump cocurrent and parallel or intersect row
Row, the motor element of power end is piston, and connecting rod in power cavity for the two-piston each passes the rear cylinder of oneself
Lid, is connected by a steel wire rope walking around pulley, and the described rod member being connected with motor element is for passing oneself
The connecting rod of back cylinder cover, described power end motor element reaches exactly to make pressure fluid connect during impulse stroke end
The interface leading to reversal valve commutation control mouth sets up separately in two connecting rods, on the hole of the back cylinder cover that connecting rod passes through
It is provided with the through hole scooping out；Or the back cylinder cover cancellation of said two list pump power end, two cylinder barrels unite two into one, two fortune
Dynamic element unites two into one, and motor element is piston, each piston rod that is connected in piston two sides, another of each piston rod
End is connected one as the piston of pumping element again, and this piston rod is exactly the described rod member being connected with motor element,
Described power end motor element reaches exactly to make pressure fluid be switched to reversal valve commutation control during impulse stroke end
The interface of donsole sets up separately on two piston rods, and the hole of the front end housing that piston rod passes through is provided with the through hole scooping out.
Pressurized fluid driven reciprocating pump of the present invention, the motor element of power end is piston, and two-piston is by wearing
Later the connecting rod of cylinder cap is connected, and the another side of two-piston is directly pumped fluid, i.e. motor element doubles as
Pumping element, described reversal valve is arranged on back cylinder cover center, with back cylinder cover as valve body, the outside cylinder of valve core cylinder
Face is sliding with the valve opening of back cylinder cover joins, and has chamfering between valve core both ends of the surface and the inside and outside face of cylinder, and valve core uses self-lubricating
Material, is one for connecting rod, and the inner cylinder face of valve core cylinder is sliding with connecting rod joins, and for connecting rod is
Two, there is the through hole connected with the interface setting up separately in two connecting rods at the valve opening two ends of back cylinder cover.
Pressurized fluid driven reciprocating pump of the present invention, the motor element of power end is piston, and two-piston is by wearing
Later the connecting rod of cylinder cap is connected, and the another side of two-piston is each to be connected one as the plunger of pumping element, described changes
It is arranged on back cylinder cover center to valve, with back cylinder cover as valve body, the external cylindrical surface of valve core cylinder and the valve opening of back cylinder cover
Sliding and joining, have chamfering between valve core both ends of the surface and the inside and outside face of cylinder, valve core uses self-lubricating material, for connecting rod
Being one, the inner cylinder face of valve core cylinder is sliding with connecting rod joins, and is two for connecting rod, back cylinder cover
There is the through hole connected with the interface setting up separately in two connecting rods at valve opening two ends.
Pressurized fluid driven reciprocating pump of the present invention, the motor element of power end is piston, and two-piston is by wearing
Later the connecting rod of cylinder cap is connected, and each piston rod that is connected of the another side of two-piston, the two-piston bar other end is solid again
Company one is as the piston of pumping element, and described reversal valve is arranged on back cylinder cover center, with back cylinder cover as valve body, valve
The external cylindrical surface of heart cylinder is sliding with the valve opening of back cylinder cover joins, and has chamfering between valve core both ends of the surface and the inside and outside face of cylinder,
Valve core uses self-lubricating material, is one for connecting rod, and the inner cylinder face of valve core cylinder is sliding with connecting rod joins,
Being two for connecting rod, the valve opening two ends of back cylinder cover have and the interface connection set up separately in two connecting rods
Through hole.
Pressurized fluid driven reciprocating pump of the present invention, the motor element of power end is barrier film and pressing plate thereof, two
The outer rim of barrier film is fastened on pump cover and back cylinder cover, and two barrier film inner edges and pressing plate thereof are by the connecting rod through back cylinder cover
Being connected, the another side of two barrier films and pressing plate thereof is directly pumped fluid, i.e. motor element doubles as pumping element,
Described reversal valve is arranged on back cylinder cover center, with back cylinder cover as valve body, the external cylindrical surface of valve core cylinder and back cylinder cover
Valve opening sliding join, have chamfering between valve core both ends of the surface and the inside and outside face of cylinder, valve core uses self-lubricating material, for
Connecting rod is one, and the inner cylinder face of valve core cylinder is sliding with connecting rod joins, and is two for connecting rod, after
There is the through hole connected with the interface setting up separately in two connecting rods at the valve opening two ends of cylinder cap.
Pressurized fluid driven reciprocating pump of the present invention, the motor element of power end is capsule and pressing plate thereof, two
One end of capsule is fastened on back cylinder cover, and the other end and the pressing plate thereof of two capsules are solid by the connecting rod through back cylinder cover
Even, the another side of two capsules and pressing plate thereof is directly pumped fluid, i.e. motor element doubles as pumping element,
Described reversal valve is arranged on back cylinder cover center, with back cylinder cover as valve body, the external cylindrical surface of valve core cylinder and back cylinder cover
Valve opening sliding join, have chamfering between valve core both ends of the surface and the inside and outside face of cylinder, valve core uses self-lubricating material, for
Connecting rod is one, and the inner cylinder face of valve core cylinder is sliding with connecting rod joins, and is two for connecting rod, after
There is the through hole connected with the interface setting up separately in two connecting rods at the valve opening two ends of cylinder cap.
Pressurized fluid driven reciprocating pump of the present invention, the motor element of power end is bellows and pressing plate thereof,
One end of two bellowss is fastened on pump cover, and the other end of two bellowss and pressing plate thereof are by the connection through back cylinder cover
Bar is connected, and the another side of two bellowss and pressing plate thereof is directly pumped fluid, i.e. motor element doubles as pumping
Element, described reversal valve be arranged on back cylinder cover center, with back cylinder cover as valve body, the external cylindrical surface of valve core cylinder with
The valve opening of back cylinder cover is sliding joins, and has chamfering between valve core both ends of the surface and the inside and outside face of cylinder, and valve core uses self-lubricating material,
Being one for connecting rod, the inner cylinder face of valve core cylinder is sliding with connecting rod joins, and is two for connecting rod,
There is the through hole connected with the interface setting up separately in two connecting rods at the valve opening two ends of back cylinder cover.
Pressurized fluid driven reciprocating pump of the present invention, by two or more identical described pressurized fluid driven
Reciprocating pump sequence starting, parallel running, composition pump group, the control of sequence starting uses time schedule controller, sequential
Controller order on request and time interval in turn switch on each pump power, make each pump sequentially activate, in operation by
Abnormal flow is carried out by the choke valve of the flow control valve in each pump power intake line or the weary mouth of reversal valve row
Regulation, makes pump group realize that approximation constant flow runs.
Reach exactly to owing to the present invention arranges motor element on the element that power end can reflect motor element displacement
Pressure fluid is made to be switched to the interface of reversal valve commutation control mouth, from pressure fluid wherein during impulse stroke end
Directly quoting pressure fluid to make reversal valve switch in the power cavity of work, the pressurized fluid driven so obtaining is past
The reversal valve of multiple pump and commutation loop are all very simple.Obtained from Yin, pressurized fluid driven reciprocating pump is also very
Simply.Owing to reversal valve two ends are provided with locking ball, the pressurized fluid driven reciprocating pump work therefore obtaining is
Very reliable.It due to the operation of pump full depended on pressure fluid, scene not electricity consumption, is particularly well-suited to chemical industry, oil etc.
The various flammable and combustible liquids of industry pumping or the occasion of strongly corrosion liquid and work under bad environment.Due to valve core
Using self-lubricating material, therefore pump generally need not be safeguarded.Owing to the motor element of pump power end is back and forth transported
Dynamic stroke-end position is accurate, if improving phase closing precision, can make measuring pump.The pressure fluid of the present invention drives
The two or more identical pump composition pump group of dynamic reciprocating pump, as long as each pump configuration reliable operation simple, respective is used
Time schedule controller makes each pump sequentially activate, and in operation is adjusted abnormal flow, just can be simple, reliable
Realize that approximation constant flow runs.
(4) brief description
Fig. 1 is the structure diagram of the embodiment of the present invention 1 pressurized fluid driven reciprocating pump；
Fig. 2 is the fundamental diagram of the embodiment of the present invention 2 pressurized fluid driven reciprocating pump；
Fig. 3 is the fundamental diagram of the embodiment of the present invention 3 pressurized fluid driven reciprocating pump；
Fig. 4 is the structure diagram of the embodiment of the present invention 4 pressurized fluid driven reciprocating pump；
Fig. 5 is the fundamental diagram of the embodiment of the present invention 5 pressurized fluid driven reciprocating pump；
Fig. 6 is the fundamental diagram of the embodiment of the present invention 6 pressurized fluid driven reciprocating pump；
Fig. 7 is the fundamental diagram of the embodiment of the present invention 7 pressurized fluid driven reciprocating pump；
(5) detailed description of the invention
The motor element that embodiment 1. is illustrated in figure 1 power end is piston, and two-piston is anti-by the energy of power end
The connecting rod passing through back cylinder cover reflecting its displacement is connected, and the another side of two-piston is directly pumped stream
Body, the interface that piston reaches exactly to make pressure fluid be switched to reversal valve commutation control mouth during impulse stroke end sets
A kind of pressurized fluid driven reciprocating pump in connecting rod.Connecting rod 2 passes through back cylinder cover 4 and is connected two-piston 1,
Connecting rod 2 is provided with piston 1 and reaches exactly to make pressure fluid be switched to reversal valve commutation control during impulse stroke end
The interface 11 of donsole, two interfaces 11 are with check valve.3 is cylinder barrel.Reversal valve is located at back cylinder cover 4 and hits exactly,
With back cylinder cover 4 as valve body.The valve opening of reversal valve valve core 7 external cylindrical surface and back cylinder cover 4 is sliding joins, inner cylinder face with
Connecting rod 2 is sliding joins, and reversal valve two ends are provided with locking ball 13.The end cap that 12 is reversal valve.It is used as at oil
Hydraulic piston pump in exploitation, pump chamber is upper and lower be respectively arranged with one pack into, draining valve assembly, the upper end of pump is beaten for promoting
Dragging for mechanism, bottom is tailstock.Figure promotes salvaging mechanism and tailstock is all not shown.Immersible pump and pump work cylinder
Between sealing use the six differential polytetrafluoro seal ring structures in road.When pressure fluid promotes in power cavity e
Piston 1 up moves when reaching up stroke end, and the lower interface 11 in connecting rod 2 connects power cavity e, pressure
Power fluid will pass through the upper commutation control mouth that lower interface 11 is switched to reversal valve, promotes valve core 7 to bottom, changes
To Vavle switching, change into making pressure fluid to connect power cavity f and power cavity e discharge；Pressure fluid is at power cavity f
Middle promotion lower piston 1 down moves when reaching down stroke end, and the upper interface 11 in connecting rod 2 connects power
Chamber f, pressure fluid will pass through the lower commutation control mouth that interface 11 is switched to reversal valve, promotes valve core 7 supreme
Position, reversal valve switches, and changes into making pressure fluid to connect power cavity e and power cavity f discharge.So constantly automatically
Circulation makes pressure fluid replace and connects two power cavity e, f, promotes two-piston 1 to move back and forth, pumps fluid.
The motor element that embodiment 2. is illustrated in figure 2 power end is piston, and two-piston is by through back cylinder cover
Connecting rod is connected, and the another side each connected of two-piston is as the plunger of pumping element, and reflecting of power end is lived
The element cylinder barrel wall of plug displacement is provided with piston and reaches exactly to make pressure fluid be switched to change during impulse stroke end
A kind of pressurized fluid driven reciprocating pump to the interface of valve commutation control mouth.Connecting rod 2 passes through back cylinder cover 4 by two
Piston 1 is connected, each plunger 6 that is connected of the another side of two-piston 1.Cylinder barrel 3 barrel is just provided with piston 1
Pressure fluid is made to be switched to the interface 11 of reversal valve 7 commutation control mouth, reversal valve 7 when reaching impulse stroke end
Two ends are provided with locking ball.8 is the pump housing, and 9 for sucking the pipeline of fluid, and 10 for discharging the pipeline of fluid, figure
The check valve communicating with suction, discharge line on middle pump body is all not shown.When pressure fluid pushes away in power cavity e
Dynamic left piston 1 is turned left when motion reaches left lateral journey end just makes the aperture interface 11 on left cylinder barrel 3 barrel connect
Logical power cavity e, pressure fluid will pass through the left commutation control mouth that left interface 11 is switched to reversal valve 7, commutation
Valve 7 switches, and changes into making pressure fluid to connect power cavity f and power cavity e discharge；Pressure fluid is at power cavity f
The right piston 1 of middle promotion is turned right when motion reaches right lateral journey end and is just made the aperture interface on right cylinder barrel 3 barrel
11 connection power cavity f, pressure fluid will pass through the right commutation control mouth that right interface 11 is switched to reversal valve 7,
Reversal valve 7 switches, and changes into making pressure fluid to connect power cavity e and power cavity f discharge.So constantly automatically follow
Ring makes pressure fluid replace and connects two power cavity e, f, promotes two-piston 1 to move back and forth, drives two plungers 6
Pumping fluid.Two single pumps are relative, and two-piston is connected by symmetrically arranged two connecting rods through two front end housings
The operation principle of pressurized fluid driven reciprocating pump identical with embodiment 2..
It is piston that embodiment 3. is illustrated in figure 3 power end motor element, and two cylinder barrels unite two into one, two-piston
Uniting two into one, each piston rod that is connected in its two sides, the other end of two-piston bar is connected another piston again as pumping
Element, this piston rod is exactly the element that can reflect the two-piston displacement uniting two into one, and the two-piston uniting two into one is firm
The interface making pressure fluid be switched to reversal valve commutation control mouth when reaching well impulse stroke end sets up separately at two
A kind of pressurized fluid driven reciprocating pump on piston rod.The two sides each connected one of the piston 1 that two-piston unites two into one
Piston rod 5, the other end of two-piston bar 5 is connected another piston 6 as pumping element again, two-piston bar 5
On be respectively arranged with a piston 1 and reach exactly to during impulse stroke end, make pressure fluid be switched to reversal valve 7 commutation control
The interface reversing groove 11 of mouth.Reversal valve 7 two ends are provided with locking ball.3 is cylinder barrel.8 is the pump housing, and 9 for inhaling
Entering the pipeline of fluid, 10 for discharging the pipeline of fluid.When pressure fluid promotes piston 1 past in power cavity e
Right motion just makes the reversing groove 11 on left piston bar 5 connect power cavity e, pressure when reaching right lateral journey end
Fluid will pass through the left commutation control that the through hole on left reversing groove 11 and left front cylinder cap 17 is switched to reversal valve 7
Mouthful, reversal valve 7 switches, and changes into making pressure fluid to connect power cavity f and power cavity e discharge；Pressure fluid exists
Promoting piston 1 to turn left in power cavity f just makes the reversing groove on right piston rod 5 when moving arrival left lateral journey end
11 connection power cavity f, the through hole that pressure fluid will pass through on right reversing groove 11 and right front end housing 17 is switched to change
To the right commutation control mouth of valve 7, reversal valve 7 switches, and changes into making pressure fluid to connect power cavity e and power cavity
F discharges.So continuous automatic cycle makes pressure fluid replace and connects two power cavity e, f, and promotion piston 1 is reciprocal
Motion, drives two pumping element pistons 6 to pump fluid.
The motor element that embodiment 4. is illustrated in figure 4 power end is barrier film and pressing plate thereof, another of two barrier films
Face is directly pumped fluid, i.e. motor element doubles as pumping element, power end can reflect barrier film and pressure thereof
The element connecting rod of plate displacement is provided with barrier film and pressing plate reaches exactly to make pressure fluid during impulse stroke end
It is switched to a kind of pressurized fluid driven reciprocating pump of the interface of reversal valve commutation control mouth.The outer rim fastening of two barrier films
On pump cover 16 and back cylinder cover 4 (pump housing is called by membrane pump), connecting rod 2 pass through back cylinder cover 4 by two every
Film and pressing plate 1 thereof are connected, and connecting rod 2 is provided with barrier film and pressing plate 1 reaches exactly to make during impulse stroke end
Pressure fluid is switched to the interface reversing groove 11 of reversal valve commutation control mouth.Reversal valve is just being arranged on back cylinder cover 4
In, with back cylinder cover 4 as valve body.The inner cylinder face of reversal valve valve core 7 cylinder is sliding with connecting rod 2 joins, cylinder
External cylindrical surface is sliding with the valve opening of back cylinder cover 4 joins.Reversal valve two ends are provided with locking ball 13, and 12 is reversal valve
End cap.9 for sucking the pipeline of fluid, and 10 for discharging the pipeline of fluid.When pressure fluid pushes away in power cavity f
Move right barrier film and pressing plate 1 is turned right when motion reaches right lateral journey end and just made the right reversing groove in connecting rod 2
11 connection power cavity f, pressure fluid will pass through the right commutation control mouth that right reversing groove 11 is switched to reversal valve,
Valve core 7 is pushed to left position, and reversal valve switches, and changes into making pressure fluid to connect power cavity e and power cavity f discharge；
Pressure fluid promotes left barrier film and pressing plate 1 thereof to turn left in power cavity e and just makes when moving arrival left lateral journey end
Left reversing groove 11 in connecting rod 2 connects power cavity e, and pressure fluid will pass through left reversing groove 11 and is switched to change
To the left commutation control mouth of valve, valve core 7 is pushed to right position, and reversal valve switches, and changes making pressure fluid connect into dynamic
Power chamber f and power cavity e discharge.So continuous automatic cycle makes pressure fluid replace and connects two power cavity e, f,
Promote two barrier films and pressing plate 1 thereof to move back and forth, pump fluid.
The motor element that embodiment 5. is illustrated in figure 5 power end is capsule and pressing plate thereof, two capsules and pressure thereof
The another side of plate is directly pumped fluid, i.e. motor element doubles as pumping element, and capsule and pressing plate thereof are just
The interface making pressure fluid be switched to reversal valve commutation control mouth when reaching impulse stroke end sets up separately in two companies
A kind of pressurized fluid driven reciprocating pump on extension bar.One end of two capsules is fastened on back cylinder cover 4, two connecting rods
2 pass through back cylinder cover 4 the two capsules other end and pressing plate 1 thereof are connected, two connecting rods 2 are respectively arranged with a capsule and
Its pressing plate 1 reaches exactly to make pressure fluid be switched to the interface of reversal valve commutation control mouth during impulse stroke end
Reversing groove 11.Reversal valve is located at back cylinder cover 4 and hits exactly, with back cylinder cover 4 as valve body, and the valve opening two of back cylinder cover 4
End has the through hole connected with the interface reversing groove 11 setting up separately in two connecting rods 2.Outside the valve core 7 of reversal valve
The face of cylinder is sliding with the hole of back cylinder cover 4 joins, and two ends are provided with locking ball 13.The end cap that 12 is reversal valve.3 are
Cylinder barrel.9 for sucking the pipeline of fluid, and 10 for discharging the pipeline of fluid.When pressure fluid pushes away in power cavity e
Moving left capsule and pressing plate 1 being turned left when moving arrival left lateral journey end, the reversing groove 11 on upper connecting rod 2 connects
Logical power cavity e, the through hole of the valve opening left end that pressure fluid will pass through reversing groove 11 and back cylinder cover 4 is switched to
The left commutation control mouth of reversal valve, valve core 7 is pushed to right position, and reversal valve switches, and changes into making pressure fluid connect
Power cavity f and power cavity e discharge；Pressure fluid promotes right capsule and pressing plate 1 thereof to turn right fortune in power cavity f
During the right end of travel of dynamic arrival, the reversing groove 11 on lower connecting rod 2 connects power cavity f, and pressure fluid will pass through
The through hole of the valve opening right-hand member of lower reversing groove 11 and back cylinder cover 4 is switched to the right commutation control mouth of reversal valve, valve core
7 are pushed to left position, and reversal valve switches, and change into making pressure fluid to connect power cavity e and power cavity f discharge.As
This continuous automatic cycle makes pressure fluid replace and connects two power cavity e, f, promotes two capsules and pressing plate 1 thereof reciprocal
Motion, pumps fluid.
The motor element that embodiment 6. is illustrated in figure 6 power end is bellows and pressing plate thereof, two bellowss and
The another side of its pressing plate is directly pumped fluid, i.e. motor element doubles as pumping element, and the energy of power end is anti-
Reflect the element connecting rod of bellows and pressing plate displacement thereof and be provided with bellows and pressing plate reaches exactly to impulse stroke
Pressure fluid is made to be switched to a kind of pressurized fluid driven reciprocating pump of interface of reversal valve commutation control mouth during end.
One end of two bellowss is fastened on pump cover 16, and connecting rod 2 passes through back cylinder cover 4 by the other end of two bellowss
And pressing plate 1 is connected, connecting rod 2 is provided with bellows and pressing plate 1 reaches exactly to make during impulse stroke end
Pressure fluid is switched to the interface reversing groove 11 of reversal valve commutation control mouth.Reversal valve is just being arranged on back cylinder cover 4
In, with back cylinder cover 4 as valve body.The inner cylinder face of reversal valve valve core 7 cylinder is sliding with connecting rod 2 joins, cylinder
External cylindrical surface is sliding with the valve opening of back cylinder cover 4 joins, and reversal valve two ends are provided with locking ball 13, and 12 is reversal valve
End cap.9 for sucking the pipeline of fluid, and 10 for discharging the pipeline of fluid.When pressure fluid pushes away in power cavity f
Move right bellows and pressing plate 1 is turned right when motion reaches right lateral journey end and just made the right reversing groove in connecting rod 2
11 connection power cavity f, pressure fluid will pass through the right commutation control mouth that right reversing groove 11 is switched to reversal valve,
Valve core 7 is pushed to left position, and reversal valve switches, and changes into making pressure fluid to connect power cavity e and power cavity f discharge；
Pressure fluid promotes left bellows and pressing plate 1 thereof to turn left in power cavity e and just moves when reaching left lateral journey end
Making the left reversing groove 11 in connecting rod 2 connect power cavity e, pressure fluid will pass through left reversing groove 11 and is switched to
The left commutation control mouth of reversal valve, valve core 7 is pushed to right position, and reversal valve switches, and changes into making pressure fluid connect
Power cavity f and power cavity e discharge.So continuous automatic cycle makes pressure fluid replace and connects two power cavity e, f,
Promote two bellowss and pressing plate 1 thereof to move back and forth, pump fluid.
Embodiment 7. is illustrated in figure 7 two two power ends with pressure fluid as power and by power end
Single pump cocurrent and parallel arrangement of the pump end composition at the pumping element place that motor element drives, the motion unit of power end
Part is piston, and connecting rod in power cavity for the two-piston each passes the back cylinder cover of oneself, is walked around pulley by one
Steel wire rope be connected, the another side of two-piston is each to be connected one as the plunger of pumping element, and piston reaches exactly to
The interface making pressure fluid be switched to reversal valve commutation control mouth during impulse stroke end is passing the rear cylinder of oneself
A kind of pressurized fluid driven reciprocating pump in the connecting rod of lid, the pump group being made up of two identical pumps.Described pump
Two pump sequence startings of group, parallel running, the control of sequence starting use time schedule controller, and time schedule controller is pressed
The order and the time interval that require in turn switch on each pump power, make each pump sequentially activate, by each pump power in operation
Abnormal flow is adjusted by the choke valve of the flow control valve in intake line or the weary mouth of reversal valve row, makes pump
Group realizes that approximation constant flow runs.Hereinafter one, the right side in figure pump structure is made an explanation: two single pumps are vertical
Parallel, the connecting rod 2 of two-piston 1 passes through respective back cylinder cover 4 and is connected by a steel wire rope 15 walking around pulley
Connect.The each plunger 6 that is connected of the another side of two-piston 1.Connecting rod 2 is provided with piston 1 and reaches exactly to working line
Pressure fluid is made to be switched to the interface reversing groove 11 of reversal valve 7 commutation control mouth during journey end.Reversal valve 7 liang
End is provided with locking ball.8 is the pump housing, and 9 for sucking the pipeline of fluid, and 10 for discharging the pipeline of fluid.Below
Operation to one pump in the right side in figure is made an explanation: when pressure fluid promotes right single pump piston 1 in power cavity f
Down motion just makes the interface reversing groove 11 on right single pump connecting link 2 connect power when reaching down stroke end
Chamber f, pressure fluid will pass through right single pump interface reversing groove 11 and connecting rod 2 through the Kong Shangshe's of back cylinder cover 4
The through hole scooping out is switched to the right commutation control mouth of reversal valve 7, and reversal valve 7 switches, and changes into making pressure fluid connect
Lead to left single pump power chamber e and right single pump power chamber f discharge；Pressure fluid promotes left single pump to live in power cavity e
Plug 1 down motion just makes the interface reversing groove 11 on left single pump connecting link 2 connect when reaching down stroke end
Power cavity e, pressure fluid will pass through left single pump interface reversing groove 11 and connecting rod 2 passes through the hole of back cylinder cover 4
On the through hole scooping out that sets be switched to the left commutation control mouth of reversal valve 7, reversal valve 7 switches, and changes into making pressure
The right single pump power chamber f of fluid communication and left single pump power e discharge.So continuous automatic cycle makes pressure fluid hand over
For connecting two power cavity e, f, promote two-piston 1 to move back and forth, drive two plungers 6 to pump fluid.The left side one
Platform pump structure and one pump of running and the right side just the same, simply startup stagger half bat, run and stagger
Half claps.Cylinder barrel wall is provided with piston and reaches exactly to make pressure fluid be switched to reversal valve commutation during impulse stroke end
The operation principle of the pump group of the pressurized fluid driven reciprocating pump composition of the interface of control mouth is identical with this example.
Claims (10)
1. a pressurized fluid driven reciprocating pump, including two power ends with pressure fluid as power and by moving
Single pump of the pump end composition at the pumping element place that the motor element of power end drives, and reversal valve, two power ends
Motor element have mechanical connection, by means of reversal valve make pressure fluid replace connect two power ends power cavity,
Promote motor element to move back and forth, drive pumping element pumping fluid, it is characterised in that: can reflect at power end
Arrange motor element on the element of motor element displacement to reach exactly to make pressure fluid connect during impulse stroke end
To the interface of reversal valve commutation control mouth, from the power cavity that pressure fluid works wherein, directly quote pressure current
Body makes reversal valve switch, and reversal valve two ends set locking ball.
2. pressurized fluid driven reciprocating pump according to claim 1, it is characterised in that: the fortune of power end
Dynamic element is piston, and the element that can reflect motor element displacement of described power end is the cylinder that piston moves wherein
Cylinder, cylinder barrel wall is provided with piston and reaches exactly to make pressure fluid be switched to reversal valve commutation control during impulse stroke end
The interface of donsole,
The single pump of described two is opposing, and the back cylinder cover of power end unites two into one, and two-piston is by the company through back cylinder cover
Extension bar is connected；
Or described two single pumps are relative, two-piston is solid by symmetrically arranged two connecting rods through two front end housings
Even；
Or described two single pump cocurrent and parallels or cross arrangement, connecting rod in power cavity for the two-piston is each worn
Go out the back cylinder cover of oneself, be connected by a steel wire rope walking around pulley.
3. pressurized fluid driven reciprocating pump according to claim 1, it is characterised in that: described power end
The element that can reflect motor element displacement be the rod member that is connected with motor element,
The single pump of described two is opposing, and the back cylinder cover of power end unites two into one, and two motor elements are by through back cylinder cover
A connecting rod be connected, the described rod member being connected with motor element is a connecting rod, and this connecting rod sets
Motor element is had to reach exactly to during impulse stroke end, make pressure fluid be switched to connecing of reversal valve commutation control mouth
Mouthful, when the interface in described connecting rod all to pass through at the two ends of reversal valve, set check valve at interface；
Or described two single pumps are opposing, the back cylinder cover of power end unites two into one, and two motor elements are by through rear cylinder
Symmetrically arranged two connecting rods of lid are connected, and the described rod member being connected with motor element is two connecting rods,
Described power end motor element reaches exactly to make pressure fluid be switched to reversal valve commutation control during impulse stroke end
The interface of donsole sets up separately in two connecting rods；
Or described two single pump cocurrent and parallels or cross arrangement, the motor element of power end is piston, two-piston
Connecting rod in power cavity each passes the back cylinder cover of oneself, is connected by a steel wire rope walking around pulley,
The described rod member that is connected with motor element is the connecting rod of the back cylinder cover passing oneself, described power end motion unit
The interface that part reaches exactly to make pressure fluid be switched to reversal valve commutation control mouth during impulse stroke end sets up separately
In two connecting rods, the hole of the back cylinder cover that connecting rod passes through is provided with the through hole scooping out；
Or the back cylinder cover cancellation of described two single pump power ends, two cylinder barrels unite two into one, and two motor elements close two
Being one, motor element is piston, piston two sides each be connected a piston rod, the other end of each piston rod again be connected one
As the piston of pumping element, this piston rod is exactly the described rod member being connected with motor element, described power end
Motor element reaches exactly to make pressure fluid be switched to the interface of reversal valve commutation control mouth during impulse stroke end
Setting up separately on two piston rods, the hole of the front end housing that piston rod passes through is provided with the through hole scooping out.
4. pressurized fluid driven reciprocating pump according to claim 3, it is characterised in that: the fortune of power end
Dynamic element is piston, and two-piston is connected by the connecting rod through back cylinder cover, and the another side of two-piston is directly by pump
The fluid sending, i.e. motor element double as pumping element, and described reversal valve is arranged on back cylinder cover center, with back cylinder cover
For valve body, the external cylindrical surface of valve core cylinder is sliding with the valve opening of back cylinder cover joins, valve core both ends of the surface and the inside and outside face of cylinder
Between have a chamfering, valve core uses self-lubricating material, is one for connecting rod, the inner cylinder face of valve core cylinder with
Connecting rod is sliding joins, and is two for connecting rod, and the valve opening two ends of back cylinder cover have and set up separately in two connecting rods
Interface connect through hole.
5. pressurized fluid driven reciprocating pump according to claim 3, it is characterised in that: the fortune of power end
Dynamic element is piston, and two-piston is connected by the connecting rod through back cylinder cover, each work that is connected of the another side of two-piston
For the plunger of pumping element, described reversal valve is arranged on back cylinder cover center, with back cylinder cover as valve body, valve core cylinder
The valve opening of external cylindrical surface and back cylinder cover sliding join, have chamfering between valve core both ends of the surface and the inside and outside face of cylinder, valve core is adopted
With self-lubricating material, being one for connecting rod, the inner cylinder face of valve core cylinder is sliding with connecting rod joins, for
Connecting rod is two, and the valve opening two ends of back cylinder cover have that connects with the interface setting up separately in two connecting rods to lead to
Hole.
6. pressurized fluid driven reciprocating pump according to claim 3, it is characterised in that: the fortune of power end
Dynamic element is piston, and two-piston is connected by the connecting rod through back cylinder cover, and the another side each connected of two-piston is lived
Stopper rod, the two-piston bar other end is connected one as the piston of pumping element again, and described reversal valve is arranged on back cylinder cover
Center, with back cylinder cover as valve body, the external cylindrical surface of valve core cylinder is sliding with the valve opening of back cylinder cover joins, valve core both ends of the surface
And between the inside and outside face of cylinder, having chamfering, valve core uses self-lubricating material, is one for connecting rod, valve core circle
The inner cylinder face of cylinder is sliding with connecting rod joins, and is two for connecting rod, and the valve opening two ends of back cylinder cover have and set up separately
The through hole that interface in two connecting rods is connected.
7. pressurized fluid driven reciprocating pump according to claim 3, it is characterised in that: the fortune of power end
Dynamic element is barrier film and pressing plate thereof, and the outer rim of two barrier films is fastened on pump cover and back cylinder cover, two barrier film inner edges and
Pressing plate is connected by the connecting rod through back cylinder cover, and the another side of two barrier films and pressing plate thereof is directly pumped stream
Body, i.e. motor element double as pumping element, and described reversal valve is arranged on back cylinder cover center, with back cylinder cover as valve body,
The external cylindrical surface of valve core cylinder is sliding with the valve opening of back cylinder cover joins, and has chamfering between valve core both ends of the surface and the inside and outside face of cylinder,
Valve core uses self-lubricating material, is one for connecting rod, and the inner cylinder face of valve core cylinder is sliding with connecting rod joins,
Being two for connecting rod, the valve opening two ends of back cylinder cover have and the interface connection set up separately in two connecting rods
Through hole.
8. pressurized fluid driven reciprocating pump according to claim 3, it is characterised in that: the fortune of power end
Dynamic element is capsule and pressing plate thereof, and one end of two capsules is fastened on back cylinder cover, the other end of two capsules and pressure thereof
Plate is connected by the connecting rod through back cylinder cover, and the another side of two capsules and pressing plate thereof is directly pumped fluid,
I.e. motor element doubles as pumping element, and described reversal valve is arranged on back cylinder cover center, with back cylinder cover as valve body, valve
The external cylindrical surface of heart cylinder is sliding with the valve opening of back cylinder cover joins, and has chamfering between valve core both ends of the surface and the inside and outside face of cylinder,
Valve core uses self-lubricating material, is one for connecting rod, and the inner cylinder face of valve core cylinder is sliding with connecting rod joins,
Being two for connecting rod, the valve opening two ends of back cylinder cover have and the interface connection set up separately in two connecting rods
Through hole.
9. pressurized fluid driven reciprocating pump according to claim 3, it is characterised in that: the fortune of power end
Dynamic element is bellows and pressing plate thereof, and one end of two bellowss is fastened on pump cover, the other end of two bellowss and
Its pressing plate is connected by the connecting rod through back cylinder cover, and the another side of two bellowss and pressing plate thereof is directly pumped
Fluid, i.e. motor element double as pumping element, and described reversal valve is arranged on back cylinder cover center, with back cylinder cover as valve
Body, the external cylindrical surface of valve core cylinder is sliding with the valve opening of back cylinder cover joins, and has between valve core both ends of the surface and the inside and outside face of cylinder
Chamfering, valve core use self-lubricating material, be one for connecting rod, the inner cylinder face of valve core cylinder be connected
Bar is sliding joins, and is two for connecting rod, and the valve opening two ends of back cylinder cover have and set up connecing in two connecting rods separately
The through hole that mouth is connected.
10. the pressurized fluid driven reciprocating pump according to any one claim in claim 1 to 9, its
Be characterised by: by two or more identical described pressurized fluid driven reciprocating pump sequence startings, parallel running,
Composition pump group, the control of sequence starting uses time schedule controller, time schedule controller order on request and between the time
Every in turn switching on each pump power, each pump is made to sequentially activate, by the flow control in each pump power intake line in operation
Abnormal flow is adjusted by the choke valve of valve processed or the weary mouth of reversal valve row, makes pump group realize approximation constant flow fortune
OK.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510076823.7A CN105986982A (en) | 2015-02-13 | 2015-02-13 | Pressure fluid driven reciprocating pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510076823.7A CN105986982A (en) | 2015-02-13 | 2015-02-13 | Pressure fluid driven reciprocating pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105986982A true CN105986982A (en) | 2016-10-05 |
Family
ID=57042235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510076823.7A Pending CN105986982A (en) | 2015-02-13 | 2015-02-13 | Pressure fluid driven reciprocating pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105986982A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331730A (en) * | 2018-03-13 | 2018-07-27 | 袁基芳 | A kind of Pneumatic pressure liquid delivery pump |
| CN114270035A (en) * | 2019-08-22 | 2022-04-01 | 株式会社泰克米纳 | Reciprocating pump |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3749526A (en) * | 1970-05-23 | 1973-07-31 | Pirelli | Pumping apparatus with two separated fluid systems |
| CN2331772Y (en) * | 1997-12-10 | 1999-08-04 | 陈文忠 | All-pneumatic water pump |
| CN2340938Y (en) * | 1997-09-25 | 1999-09-29 | 胜利石油管理局无杆采油泵公司 | Symmetrical convertible hydraulic piston pump without core |
| CN102032156A (en) * | 2011-01-18 | 2011-04-27 | 文哲 | Hydraulic oil suction pump with bidirectional plunger |
| CN102536725A (en) * | 2011-11-07 | 2012-07-04 | 北京市三一重机有限公司 | Pumping system, control method thereof, and fire fighting equipment |
-
2015
- 2015-02-13 CN CN201510076823.7A patent/CN105986982A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3749526A (en) * | 1970-05-23 | 1973-07-31 | Pirelli | Pumping apparatus with two separated fluid systems |
| CN2340938Y (en) * | 1997-09-25 | 1999-09-29 | 胜利石油管理局无杆采油泵公司 | Symmetrical convertible hydraulic piston pump without core |
| CN2331772Y (en) * | 1997-12-10 | 1999-08-04 | 陈文忠 | All-pneumatic water pump |
| CN102032156A (en) * | 2011-01-18 | 2011-04-27 | 文哲 | Hydraulic oil suction pump with bidirectional plunger |
| CN102536725A (en) * | 2011-11-07 | 2012-07-04 | 北京市三一重机有限公司 | Pumping system, control method thereof, and fire fighting equipment |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331730A (en) * | 2018-03-13 | 2018-07-27 | 袁基芳 | A kind of Pneumatic pressure liquid delivery pump |
| CN114270035A (en) * | 2019-08-22 | 2022-04-01 | 株式会社泰克米纳 | Reciprocating pump |
| CN114270035B (en) * | 2019-08-22 | 2024-01-23 | 株式会社泰克米纳 | Reciprocating pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2007041935A1 (en) | Hydraulic reciprocating pump | |
| CN108700058A (en) | For can dive application linear hydraulic pump | |
| CN105986981A (en) | Pressure fluid driven reciprocating pump | |
| CN105986982A (en) | Pressure fluid driven reciprocating pump | |
| US1516032A (en) | Pump | |
| CN104047823B (en) | The multi-cylinder bidirectional ram pump that a kind of cylindrical cam drives | |
| CN108700059A (en) | Rotary type hydraulic pump with ESP motors | |
| CN207048966U (en) | A kind of pilot reversing valve applied on Pneumatic double diaphragm pump | |
| CN101216022A (en) | Plunger ported axial plunger hydraulic pump | |
| CN204942996U (en) | A kind of lubricant grease pumping system | |
| JPS5818576A (en) | Conveyor for liquid or gas | |
| CN205277772U (en) | Plunger diaphragm type measuring pump | |
| CN108691737B (en) | A kind of piston high-density pump of hydraulic-driven | |
| CN207830113U (en) | A kind of two-way radial plunger pump of motor-driven Flat valve | |
| CN107202040B (en) | High pressure pumping station system that intelligence is adjustable | |
| CN105443366A (en) | Difunctional oil pump | |
| CN108361189A (en) | A kind of two-way radial plunger pump and its assignment method of motor-driven Flat valve | |
| CN205370884U (en) | Many hydraulic cylinders of plunger type combination slush pump | |
| CN204200534U (en) | Hydraulic volume pump | |
| CN104675682B (en) | A kind of volume pump installation | |
| CN205013214U (en) | Novel super high -pressure fluid pump | |
| CN105351175B (en) | A kind of membrane pump of non-circular gear drive | |
| RU166476U1 (en) | PUMP INSTALLATION WITH LINEAR MOTOR | |
| RU2380570C1 (en) | Adjustable positive-displacement inflator pump unit | |
| CN106678086A (en) | Double-plug series connection application method of reciprocating pump and high-efficiency liquid pump applying method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161005 |