CN106762500A - A kind of horizontal three cylinder plugs reciprocating pump of rack pinion - Google Patents
A kind of horizontal three cylinder plugs reciprocating pump of rack pinion Download PDFInfo
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- CN106762500A CN106762500A CN201611255611.6A CN201611255611A CN106762500A CN 106762500 A CN106762500 A CN 106762500A CN 201611255611 A CN201611255611 A CN 201611255611A CN 106762500 A CN106762500 A CN 106762500A
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- plunger
- case
- reciprocating pump
- valve
- gear
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
The present invention discloses a kind of horizontal three cylinder plugs reciprocating pump of rack pinion, and the rack-and-pinion reciprocating pump includes driving end and hydraulic end；Driving end mainly includes that the three secondary dephased non-all gear tooth bars of tool coordinate and plunger, tooth bar are connected；Hydraulic end includes the connection of plunger and the connection, plunger case and transmission case of plunger case cooperation, valve body and check valve cooperation, plunger case and valve body；The plunger case is that, using a kind of cover clamp parts of brand-new design, connection plunger case and hold-down cylinder interior sealing are responsible in its one end with the connection of transmission case, and the other end is responsible for assembling linear bearing and connects transmission case.The cylinder plug reciprocating pump of novel horizontal three of the rack pinion, theoretically substantially eliminates the output flow of reciprocating pump and the pulse feature of pressure；The internal structure of reciprocating pump is simplified, the fault rate of mechanism is reduced；Stable movement, commutation are rapid, without being equipped with accurate electric-control system, greatly reduce exploitation input.
Description
Technical field
It is particularly suitable in the occasion being had higher requirements to Pulse of flow and pressure the invention belongs to triplex reciprocating pump field,
To provide flow and pressure more stable hydraulic power source.
Background technology
Reciprocating pump is the earliest pump class product for occurring, and its professional and complete property is very strong, using quite varied.In mechanical industry
In, the yield of reciprocating pump occupies larger specific gravity, and with the development of modern science and technology, each department of national economy is wanted to reciprocating pump
Asking also increasingly increases, or even as one of key equipment.Reciprocating pump is widely used in oil, chemical industry, metallurgy, weaving, builds, makes
In the industries such as ship, papermaking, pharmacy.
The reciprocating pump of application most long is crank connecting link reciprocating pump in real life.Crank connecting link reciprocating pump is by rotary motion
Internal combustion engine or motor as engine, have the crank linkage driving system of a set of complexity between piston rod and engine, will revolve
Transhipment is dynamic to be converted into reciprocating motion.Crank connecting link reciprocating pump has the advantage that：Efficiency high and high efficient district is wide；Constant flow rate can be provided
With compared with high workload pressure；Output flow is unrelated with pressure, is solely dependent upon the rotating speed and size of pump；Suction capacity is strong, dirty to liquid
Dye degree is insensitive.
However, due to the kinetic characteristic of crank connecting link, determine the displacement of the piston of crank connecting link reciprocating pump, speed, plus
Speed all changes according to sinusoidal or cosine curve rule.Therefore the flow of pump also makees sinusoidal variations therewith, and liquid is all the time in change
Acceleration mode, causes discharge pressure to fluctuate big, acceleration greatly, is degrading the condition of work of the motion seal part such as pump valve, piston, drops
The low efficiency of pump, shortens the life-span of consumable accessory.Although crank connecting link reciprocating pump makes each cylinder by increasing the quantity of hydraulic cylinder
Operating mode carry out staggered superposition, can effectively reduce the pulsation of output flow.But it is, in principle, that crank connecting link reciprocating pump
Flow pulsation is unavoidable all the time.In addition, the driving end structure type of crank connecting link reciprocating pump is more complicated, by body,
The auxiliary equipment such as crankshaft-link rod, crank, crosshead and lubrication, cooling is constituted.Wherein bent axle, crank, crosshead design very
Cumbersome, more number of parts and required precision higher are all workpiece rapid wear, the inducement of reciprocating pump fault rate higher.
In August, 2001, in oil recovery factory of North China Oilfield branch company first, linear motor oil pumping machine input field test, this is
Domestic and international First is applied to the linear motor oil pumping machine of commerical test.The oil pumper revolutionizes the motion of traditional oil pumper
Mechanism, directly drives sucker rod to move up and down using the straight reciprocating motion of linear electric motors, reaches the purpose of lifting borehole fluid.
Researching and developing for linear motor oil pumping machine successfully proposes new thinking to develop new reciprocating pump driving system.If reciprocal pump power
The piston rod that is moved reciprocatingly using linear motor direct drive of end, can theoretically essentially eliminate reciprocal POF and
The pulsating nature of pressure, the structure of reciprocating pump will also be greatly simplified.
However, straight line motor reciprocative pump there is also many factors of instability：The application of high thrust linear electric motors does not have also
Popularization；The startup of linear electric motors is unstable；Linear electric motors do not adapt to extremely severe working environment；If wanting to realize precise control
Also need to be equipped with a set of accurate electric-control system, increased development difficulty.
For existing crank connecting link reciprocating pump and the drawbacks described above of straight line motor reciprocative pump, the invention provides a kind of gear
The cylinder plug reciprocating pump of novel horizontal three of rack-driving.The linear motion for providing is coordinated by rack-and-pinion, not only from principle
Flow and the pressure fluctuation of reciprocating pump are eliminated, and simplifies the transmission end structure of reciprocating pump.Meanwhile, new reciprocating pump it is dynamic
Power machine is traditional threephase asynchronous machine, the linear uniform motion of plunger and quickly commutation motion, by reliable gear teeth
The registration property of bar is produced naturally.Therefore can be used widely and adapt to various working, control is simple, reduce out
Degree of raising difficult questions.
The content of the invention
The shortcoming that the present invention exists for existing reciprocating pump, it is proposed that a kind of and traditional crank connecting rod reciprocating pump and straight-line electric
Machine reciprocating pump, the entirely different new reciprocating pump of structure, i.e., by the cylinder plug reciprocating pump of novel horizontal three of rack pinion.
The present invention realizes that the technical scheme that above-mentioned purpose is used is：A kind of horizontal three cylinder plug of rack pinion is past
Multiple pump, main gear shaft (1) is connected with engine, is transferred power in main gear shaft (1) by engine.Main gear shaft (1)
It is connected with non-all gear (2), main gear shaft (1) drives non-all gear (2) to do the uniform circular motion of single direction, tooth bar (3)
Gear parts with non-all gear (2) are meshed, and tooth bar (3) does uniform rectilinear's reciprocating motion under the driving of non-all gear (2).
Tooth bar (3) is connected with plunger (5), and uniform rectilinear is moved back and forth and is transferred to plunger (5) by tooth bar (3), and plunger (5) is along plunger case
(8) coordinated, make the interior one end of plunger case (8) produce the vacuum chamber of suction liquid, the other end to reduce cylinder internal volume discharge liquid.
Plunger case (8) one end is connected with valve body (13) is imported and exported, and the other end is realized being connected by cover clamp (7) and transmission case (12).Enter
Outlet valve body (13) coordinates with plug-in one-way valve (14,15), imports and exports the suction of each hydraulic cylinder of valve body (13) reasonable distribution
Enter and discharging operation, plug-in one-way valve includes discharge check valve (14), suction check valve (15).
Main gear shaft (1), non-all gear (2), tooth bar (3), plunger (5), plunger case (8), import and export valve body (13), discharge
Check valve (14), suction check valve (15) composition piston reciprocation unit；Piston reciprocation unit is provided with three secondary, three secondary piston reciprocations altogether
Unit is arranged in juxtaposition.
When liquid is discharged from plunger case (8), discharge check valve (14) is opened, and corresponding suction check valve (15) keeps
Close.
Make any one plunger case (8) in arbitrary period, feed liquor can only be selected or go out a kind of operating mode of liquid.Left and right two ends hydraulic pressure
The suction and discharge of system have external pipeline (17,18) to connect, and a whole set of pump group is only existed a suction inlet and outlet.
, there is phase difference in location and installation in the non-all gear (24,26,28) of three parafacies same parameters.For control device
Size and ensure transmission stability, the number of teeth of each non-all gear is 8 teeth, θ=2 π/3 each other of the difference between setting angle.
The stroke of plunger is l, then the mutual displacement difference of three groups of tooth bars (25,27,29) is s=2l/3.During the pump housing is assembled,
According to the phase difference between tooth bar, the positioning of tooth bar is carried out.Then non-all gear assembling is carried out, finally according to the theory of engagement again
The gear for determining position is connected using flat key with main gear shaft (1).
The plunger (5) is δ with the fit clearance of plunger case (8), and plunger (5) one end is by connection ring (4) and tooth bar (3)
Connection, the remainder of plunger (5) carries out Precision Machining as the working surface coordinated with plunger case (8).Sealing means are Y
Type sealing ring (10) additional collar (11), fairlead (9) is placed on the end of plunger case (8), is carried out for the motion to plunger
It is oriented to.Plunger case (8) front end is connected by flange cooperation with valve body (13), and end is connected by screw thread cooperation with cover clamp (7)
Together.
Described cover clamp (7) one end is coordinated by screw thread and is connected with plunger case (8), plays close in compression plunger case (8)
Closure material is acted on；The other end inserts linear bearing (6), by bolt by cover clamp (7), linear bearing (6), transmission case (12),
Closely couple together to the Trinity.
The valve body (13) of the terminal valve is obtained by the solid aluminium ingot of a monoblock by drilling through oil duct.Three groups of homonymy enter,
Export unidirectional inserted valve (15,14) to be integrated on an aluminium ingot, with oilhole come instead of the pipeline being connected with each other.Plunger (5) is in post
Main oil gallery in plug cylinder (8) is moved back and forth, and reciprocal suction effect and discharge effect is carried out to liquid.Valve body (13) is provided with one
To flowing to the unidirectional inserted valve of identical (14,15), flowed to by the liquid of unidirectional inserted valve and be unidirectional, valve body (13) conduct control
Liquid processed unidirectionally passes in and out the valve of reciprocating pump.The main oil gallery of plunger case (8) is connected with B mouthfuls of import check valve (15), import
Oil duct is connected with A mouthfuls of import check valve (15)；The main oil gallery of plunger case (8) is connected with A mouthfuls of Outlet check valves (14),
Outlet oil duct is connected with B mouthfuls of Outlet check valves (14).The valve block of left and right two is by outlet connecting pipe (17) and suction
Mouth connecting pipe (18) realizes connection, the diameter with diameter greater than outlet connecting pipe (17) of suction inlet connecting pipe (18).
Compared with prior art, the present invention has the advantages that：
(1) characteristics of motion of plunger is different from conventional reciprocating pump.Conventional reciprocating pump passes through toggle, by motor
Convert rotational motion is the reciprocating motion of plunger.According to the kinetic characteristic of crank connecting link, the movement velocity of plunger is in Sine distribution
Rule, not plunger motion at the uniform velocity cause the unstable of flow and pressure.The reciprocating pump of gear-rack drive, by rack-and-pinion
Coordinate, be linear motion by the convert rotational motion of motor.Transmission is more directly, in hgher efficiency；Also, motor is simple along same
The uniform speed rotation in direction, tooth bar is passed to by non-all gear, it becomes possible to produce stable linear uniform motion.
(2) non-all gear departs from the engagement of tooth bar top, with into bottom engage generation it is same in a flash, therefore commutation process
Without stagnation.Non- all gear coordinates transmission with tooth bar, can naturally realize plunger in the automatic, fast of stroke two ends extreme position
Quick change to.
(3) flow of new gear tooth bar reciprocating pump is constant, and flow and pressure fluctuation are very small.Due to reciprocating pump motion
The stability of parameter, the stabilization output of the fluid parameter that is bound to bring.Compare with traditional crank link-type reciprocating pump, rack-and-pinion
The characteristics of motion of Reciprocatin pump power end changes, and import and export valve falls to being changed at the uniform velocity falling from the acceleration of conventional reciprocating pump, right
The impact of valve seat reduces.Import and export valve, is made up of, it is not necessary to designed, designed valve body and the unidirectional inserted valve of both direction identical
The complex parts such as valve body, valve seat.Accessory standard component, reduces development cost, also improves the interchangeability of product and can safeguard
Property.
(4) simple structure of new gear tooth bar reciprocating pump.Eliminate the bent axle of crank connecting link Reciprocatin pump power end, connect
The first-class complex component of bar, cross, the tooth bar for directly driving non-all gear, is connected with the plunger (5) of reciprocating pump hydraulic-end.Make past
Multiple pump configuration greatly simplifies, and manufactures, transports, dismounting, safeguarding all easier.The reduction of complex partses, it is also effective to drop
The low fault rate of reciprocating pump, improves the working life of reciprocating pump.
(5) new gear tooth bar reciprocating pump, plunger linear uniform motion and commutation are moved, and are all by non-all gear and tooth
The mechanical property that bar coordinates is produced naturally.Without the extra exploitation of any complicated electric control system, therefore greatly reduce out
Hair workload.
The present invention proposes a kind of cylinder plug reciprocating pump of novel horizontal three by rack pinion, not only theoretically basic
Eliminate, output flow and the pulse characteristic of pressure that conventional reciprocating pump is present, and enormously simplify the structure of reciprocating pump.It is whole
Covering device does not need accurate electric-control system to be supported, and enormously simplify the exploitation input of new reciprocating pump application.
Brief description of the drawings
Fig. 1 is by the general assembly schematic diagram of the cylinder plug reciprocating pump of novel horizontal three of rack pinion；
Fig. 2 is that plunger of the invention and plunger case coordinate, the connection of plunger case, cover clamp and transmission case, partial enlargement cut open
Face schematic diagram；
Fig. 3 is the cover clamp generalized section of particular design；
Fig. 4 is the phase difference schematic diagram that the pinion tooth bar of transmission system three coordinates；
Fig. 5 is the assembling schematic diagram of turnover, the unidirectional inserted valve of mouth and valve body；
Fig. 6 is front, rear, left and right, the bottom surface for constituting transmission case, five pieces of appearance schematic diagrams of wallboard.
In figure：1st, gear shaft, 2, non-all gear, 3, tooth bar, 4, connection ring, 5, plunger, 6, linear bearing, 7, cover clamp,
8th, plunger case, 9, fairlead, 10, y-type seal ring, 11, collar, 12, transmission case, 13, valve body, 14, Outlet check valves, 15, enter
Mouthful check valve, 16, bearing block, 17, outlet connecting pipe, 18, suction inlet connecting pipe, 19, angle iron, 20, transmission case with
Cover clamp bolt connection position, 21, linear bearing pilot hole, 22, the tight oral area position of screw, 23, cover clamp and plunger case screw thread connect
Socket part position, 24, non-all gear 1,25, tooth bar 1,26, non-all gear 2,27, tooth bar 2,28, non-all gear 3,29, tooth bar 3,30,
Front panel, 31, squab panel, 32, left wall plate, 33, right wall plate, 34, base plate, 35, location hole 1,36, location hole 2,37, location hole
3。
Specific embodiment
As shown in figure 1, a kind of cylinder plug reciprocating pump of novel horizontal three of rack pinion, gear shaft (1) and engine
Connection, transfers power on main shaft.Main shaft drives three secondary non-all gears (2) thereon to make list under the support of bearing block (16)
The uniform speed rotation in one direction, tooth bar (3) is made regular uniform rectilinear under the driving of non-all gear (2) and is moved back and forth,
And it is rapid to commutate.Tooth bar (3) is joined directly together with plunger (5) by connection ring (4), and the uniform rectilinear of plunger (5) moves back and forth
Coordinate with plunger case (8), one end suction, while other end discharge liquid.Plunger case (8) one end is with valve body (13) by itself institute
Flanged and bolt is attached, and the other end is connected by screw thread cooperation with special cover clamp (7), insertion in cover clamp (7)
Linear bearing (6), then linked together with transmission case (12) by bolt.The Sealing selection y-type seal ring (10) of plunger case enters
Row sealing and additional collar (11), fairlead (9) are placed on the guiding of the end for plunger motion of plunger case.Valve body (13) with
Plug-in inlet one-way valve (15) and Outlet check valves (14) coordinate, the suction of reasonable distribution each hydraulic cylinder or row
Go out.When liquid is discharged from plunger case, Outlet check valves (14) are opened, and corresponding inlet one-way valve (15) is in hydraulic pressure
Remained turned-off automatically under effect, plunger case is kept a kind of operating mode in arbitrary period.Suction and outlet on the outside of valve body
It is connected with outlet connecting pipe (17) by suction inlet connecting pipe (18) respectively.Make liquid all by a suction inlet unify into
Enter reciprocating pump, an outlet unification discharge reciprocating pump.
As shown in Fig. 2 the fit clearance of plunger (5) and plunger case (8) is δ, plunger (5) one end by connection ring (4) with
Tooth bar one end is threadedly coupled, and plunger (5) remainder carries out accurate adding as the working surface coordinated with plunger case (8)
Work.Cylinder body Sealing selection y-type seal ring (10) and additional collar (11), fairlead (9) are placed on the end of plunger case, with leading
To the effect with sealing.Plunger case front end is connected by concave-convex flange with valve body (13), and end is coordinated and cover clamp by screw thread
(7) connect.Linear bearing (6) between cover clamp (7) and plunger (5), it not only have lubricated plunger (5) by transmission case (12)
Motion, effective support also has been carried out to plunger (5), make its whole motion process very steady.
As shown in figure 3, cover clamp (7) is the intermediary of connection plunger case (8) and transmission case (12), and it is a kind of collection
The connection parts with plunger case substrate hold-down function are installed into linear bearing.Linear bearing (6) is installed into linear bearing pilot hole
(21), fastening bolt penetrates location hole from Linear bearing flange one end, and through transmission case and cover clamp bolt connection position
(20) bar hole on, realizes connection.Clamp nut is placed in the reserved hollow out of tight oral area position (22) of screw, is revolved with bolt
Tightly, by cover clamp (7), linear bearing (6), transmission case (12) is Trinitarian links together.Cover clamp (7) and plunger case spiral shell
Line connecting portion (23) is coordinated by screw thread to be realized being connected with plunger case (8) end.And the interior roof of cover clamp (7) is tightly
Be pressed on fairlead (9), play a part of to compress encapsulant in plunger case (8), this is to closing weight for plunger seal
Want.
As shown in figure 4, the non-all gear (2) of three parafacies same parameters, each gear has 8 gear teeth, in location and installation
There is phase difference.If the full number of teeth of gear is even number n, if the selection number of teeth is n/2, according to the continuous transmission condition of gear, any feelings
At least two gear teeth keep engagement under shape.When the gears of n/2 half and tooth bar are engaged on extreme position, the direction of motion of tooth bar
To change, upper rack will now occur with lower tooth bar while situation about being engaged with gear, that is, occur movement interference.Therefore tooth
It is n/2-1 individual non-all gear (2) that wheel should select the number of teeth.In order to ensure the stability of transmission, the modulus for selecting gear is 4.Examine
The size for considering transmission case (12) should not be excessive with the size difference of plunger case (8), and the height of transmission case (12) substantially by
The diameter of non-all gear (2) is determined, therefore the selection all gear number of teeth is 18.Therefore, the number of teeth of non-all gear should be 18/2-1
=8.Shown position is the initial position that reciprocating pump is installed, and three setting angle difference phases of non-all gear (24,26,28) are each other
2π/3.Further according to the engagement rule of rack-and-pinion, the corresponding tooth position on tooth bar (3) is confirmed, be engaged assembling.Position will be determined
Gear be connected with gear shaft (1) using flat key, tooth bar utilize location hole (35,36,37) and screw and transmission case base plate
(34) initial position for fixing each part during ensuring to install does not jump.
As shown in figure 5, valve body (13) is obtained by the solid aluminium ingot of a monoblock by drilling through oil duct.Three groups of import and exports of homonymy
Unidirectional inserted valve (15,14) is integrated on an aluminium ingot, with oilhole come instead of the pipeline being connected with each other.Plunger (5) is in main oil gallery
In reciprocating motion, reciprocal suction and discharge effect are carried out to liquid.On valve body (13) colleague, height is parallel to be mounted with a pair
The unidirectional inserted valve of identical (14,15) is flowed to, flow direction is the valve for unidirectionally passing in and out reciprocating pump as control liquid from bottom to up
Door.Plunger case main oil gallery is connected with the lower mouth of import check valve (15), the phase suitable for reading of import oil duct and import check valve (15)
Connection；Plunger case main oil gallery is connected with the lower mouth of Outlet check valves (14), and outlet oil duct is suitable for reading with Outlet check valves (14)
It is connected.The valve block of left and right two realizes connection by outlet connecting pipe (17) and suction inlet connecting pipe (18).Wherein one
Valve block, not the import and export oil duct of pipe laying side blocked；An other valve the block not turnover of pipe laying side, mouth
Pipe joint is connected on oil duct, as the unique inlet of rack-and-pinion reciprocating pump and liquid outlet.Liquid from the inlet of the pump housing,
Unimpeded enters the two feed liquor oil ducts of valve block in left and right, and " pull " action of plunger (5) in plunger case (8) makes plunger
Cylinder (8) produces vacuum.So as to the lifting of liquid stress, check valve contained spring is compressed, upwards top valve opening core, by import check valve
(15) lower mouth enters check valve body, then by entrance plunger case (8) suitable for reading；Similarly, then there is " compression " action, liquid in opposite side
Body compression spring top valve opening core, by the mouth suitable for reading to lower of Outlet check valves (14), is extruded cylinder body and reaches outlet oil duct.Finally
The liquid outlet from the pump housing of liquid unification is discharged, and this also smoothly completes the task that reciprocating hydraulic pump conveys liquid.
As shown in fig. 6, transmission case (12) is provided with foreboard, back plate, left plate, right panel, base plate, five faces are by five blocks of surface light
Sliding aluminium sheet mutually splices and then welding is formed.The positioning groove for installing left and right case face, left and right case face are reserved on base plate (34)
In the projection insertion groove of (32,33) bottom.Left and right plate face is installed after positioning, by the projection of front and rear case face (30,31)
Groove with left and right case face (32,33) is corresponding, for the location and installation of front and rear case face (30,31).At the top corner of transmission case,
Four angle irons (19) are welded, for the threaded connection of transmission case top box face and casing.Wherein, front and rear case face is provided with installation branch
The preformed hole of support spindle bearing holder (16), left and right case face is provided with the preformed hole for installing linear bearing (6) and cover clamp (7).According to
The extreme sport position of plunger and three groups of mutual displacement difference s=2l/3 of tooth bar (25,27,29), set for solid on base plate
Fixed three groups of location holes (35,36,37) of tooth bar (25,27,29) initial position.In the often step installation process of pump, peace is both provided with
Dress reference planes, to ensure the normal operation of pump.
Claims (7)
1. the horizontal three cylinder plugs reciprocating pump of a kind of rack pinion, it is characterised in that：Main gear shaft (1) connects with engine
Connect, transferred power in main gear shaft (1) by engine；Main gear shaft (1) is connected with non-all gear (2), main gear shaft
(1) non-all gear (2) is driven to do the uniform circular motion of single direction, tooth bar (3) is nibbled with the gear part split-phase of non-all gear (2)
Close, tooth bar (3) does uniform rectilinear's reciprocating motion under the driving of non-all gear (2)；Tooth bar (3) is connected with plunger (5), tooth bar
(3) uniform rectilinear is moved back and forth and is transferred to plunger (5), plunger (5) is coordinated along plunger case (8), is made one in plunger case (8)
End produces the vacuum chamber of suction liquid, the other end to reduce cylinder internal volume discharge liquid；Plunger case (8) one end and import and export valve body
(13) connect, the other end is realized being connected by cover clamp (7) and transmission case (12)；Import and export valve body (13) and plug-in one-way valve
(14,15) coordinate, import and export suction and the discharging operation of valve body (13) reasonable distribution each hydraulic cylinder, plug-in one-way valve bag
Include discharge check valve (14), suction check valve (15)；
Main gear shaft (1), non-all gear (2), tooth bar (3), plunger (5), plunger case (8), import and export valve body (13), discharge are unidirectional
Valve (14), suction check valve (15) composition piston reciprocation unit；Piston reciprocation unit is provided with three secondary, three secondary piston reciprocation units altogether
It is arranged in juxtaposition；
When liquid is discharged from plunger case (8), discharge check valve (14) is opened, and corresponding suction check valve (15) keeps closing
Close；
Make any one plunger case (8) in arbitrary period, feed liquor can only be selected or go out a kind of operating mode of liquid；Left and right two ends hydraulic system
Suction and discharge have external pipeline (17,18) connect, a whole set of pump group is only existed a suction inlet and outlet.
2. the horizontal three cylinder plugs reciprocating pump of a kind of rack pinion according to claim 1, it is characterised in that：Three is secondary
, there is phase difference in location and installation in the non-all gear (24,26,28) of identical parameters；The number of teeth of each non-all gear is 8
Tooth, difference between setting angle θ=2 π/3 each other；The stroke of plunger is l, then three groups of mutual displacements of tooth bar (25,27,29)
Difference is s=2l/3；During the pump housing is assembled, according to the phase difference between tooth bar, the positioning of tooth bar is carried out；Then again according to
According to the theory of engagement, non-all gear assembling is carried out, will finally determine that the gear of position is connected using flat key with main gear shaft (1).
3. the horizontal three cylinder plugs reciprocating pump of a kind of rack pinion according to claim 1, it is characterised in that：It is described
Plunger (5) is δ with the fit clearance of plunger case (8), and plunger (5) one end is connected by connection ring (4) with tooth bar (3), plunger (5)
Remainder as the working surface coordinated with plunger case (8), carry out Precision Machining；Sealing means are y-type seal ring (10)
Additional collar (11), fairlead (9) is placed on the end of plunger case (8), is oriented to for the motion to plunger；Plunger case
(8) front end is coordinated by flange and is connected with valve body (13), and end is linked together by screw thread cooperation with cover clamp (7).
4. the horizontal three cylinder plugs reciprocating pump of a kind of rack pinion according to claim 1, it is characterised in that：It is described
Cover clamp (7) one end is connected by screw thread cooperation with plunger case (8), plays the encapsulant effect compressed in plunger case (8)；Separately
Linear bearing (6) is inserted in one end, and by bolt by cover clamp (7), linear bearing (6), transmission case (12), Trinity ground is closely
Couple together.
5. the horizontal three cylinder plugs reciprocating pump of a kind of rack pinion according to claim 1, it is characterised in that：It is described
The valve body (13) of terminal valve is obtained by the solid aluminium ingot of a monoblock by drilling through oil duct；Three groups of import and exports of homonymy are unidirectionally inserted
Valve (15,14) is integrated on an aluminium ingot, with oilhole come instead of the pipeline being connected with each other；Master of the plunger (5) in plunger case (8)
Oil duct is moved back and forth, and reciprocal suction effect and discharge effect is carried out to liquid；Valve body (13) is provided with a pair and flows to identical
Unidirectional inserted valve (14,15), is flowed to by the liquid of unidirectional inserted valve and is unidirectionally, and valve body (13) unidirectionally enters as control liquid
Go out the valve of reciprocating pump；The main oil gallery of plunger case (8) is connected with B mouthfuls of import check valve (15), import oil duct and import list
It is connected to A mouthfuls of valve (15)；The main oil gallery of plunger case (8) is connected with A mouthfuls of Outlet check valves (14), exports oil duct and goes out
B mouthfuls of mouth check valve (14) is connected；The valve block of left and right two passes through outlet connecting pipe (17) and suction inlet connecting pipe
(18) connection, the diameter with diameter greater than outlet connecting pipe (17) of suction inlet connecting pipe (18) are realized.
6. the horizontal three cylinder plugs reciprocating pump of a kind of rack pinion according to claim 1, it is characterised in that：Transmission
Case (12) is provided with foreboard, back plate, left plate, right panel, base plate, and five faces are mutually spliced and then weldering by five blocks of smooth aluminium sheets in surface
Connect to be formed；The positioning groove for installing left and right case face, the projection insertion of left and right case face (32,33) bottom are reserved on base plate (34)
In groove；Left and right plate face is installed after positioning, by the raised groove pair with left and right case face (32,33) of front and rear case face (30,31)
Should, for the location and installation of front and rear case face (30,31)；At the top corner of transmission case, upper four angle irons (19) are welded, be used for
Transmission case top box face and the threaded connection of casing；Wherein, front and rear case face is provided with the preformed hole for installing supports main shaft bearing block (16),
Left and right case face is provided with the preformed hole for installing linear bearing (6) and cover clamp (7)；Extreme sport position and three groups of teeth according to plunger
The mutual displacement difference s=2l/3 of bar (25,27,29), sets on base plate for fixing three groups of tooth bars (25,27,29) initial bit
The location hole (35,36,37) put.
7. the horizontal three cylinder plugs reciprocating pump of a kind of rack pinion according to claim 1, it is characterised in that：Pump
Often in step installation process, it is both provided with that reference planes are installed, to ensure the normal operation of pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611255611.6A CN106762500B (en) | 2016-12-30 | 2016-12-30 | A kind of horizontal three cylinder plugs reciprocating pump of rack pinion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611255611.6A CN106762500B (en) | 2016-12-30 | 2016-12-30 | A kind of horizontal three cylinder plugs reciprocating pump of rack pinion |
Publications (2)
| Publication Number | Publication Date |
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| CN106762500A true CN106762500A (en) | 2017-05-31 |
| CN106762500B CN106762500B (en) | 2019-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611255611.6A Expired - Fee Related CN106762500B (en) | 2016-12-30 | 2016-12-30 | A kind of horizontal three cylinder plugs reciprocating pump of rack pinion |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107387355A (en) * | 2017-09-01 | 2017-11-24 | 西南石油大学 | Tooth fans rack-and-pinion reciprocating pump |
| CN107503900A (en) * | 2017-09-21 | 2017-12-22 | 肖宏伟 | A kind of energy-saving reciprocating high-pressure plunger pump |
| CN108035856A (en) * | 2018-01-15 | 2018-05-15 | 长江大学 | A kind of ten cylinder reciprocating pump of opposite opened |
| CN108506184A (en) * | 2018-05-03 | 2018-09-07 | 四川省机械研究设计院 | A kind of big stroke plunger pump of pulse free |
| CN108691736A (en) * | 2018-05-10 | 2018-10-23 | 西南交通大学 | A kind of big stroke isolation plunger pump of pulse free |
| FR3085729A1 (en) * | 2018-09-12 | 2020-03-13 | Exel Industries | PUMP WITH SPROCKET AND RACK SYSTEM AND USE OF SUCH A PUMP |
| CN115717582A (en) * | 2022-11-28 | 2023-02-28 | 德帕姆(杭州)泵业科技有限公司 | Reciprocating pump |
| CN116221051A (en) * | 2023-04-23 | 2023-06-06 | 武汉市王利军科技有限公司 | Plunger pump |
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| CN107387355A (en) * | 2017-09-01 | 2017-11-24 | 西南石油大学 | Tooth fans rack-and-pinion reciprocating pump |
| CN107503900A (en) * | 2017-09-21 | 2017-12-22 | 肖宏伟 | A kind of energy-saving reciprocating high-pressure plunger pump |
| CN108035856A (en) * | 2018-01-15 | 2018-05-15 | 长江大学 | A kind of ten cylinder reciprocating pump of opposite opened |
| CN108506184B (en) * | 2018-05-03 | 2023-10-27 | 四川省机械研究设计院(集团)有限公司 | Non-pulsation large-stroke plunger pump |
| CN108506184A (en) * | 2018-05-03 | 2018-09-07 | 四川省机械研究设计院 | A kind of big stroke plunger pump of pulse free |
| CN108691736A (en) * | 2018-05-10 | 2018-10-23 | 西南交通大学 | A kind of big stroke isolation plunger pump of pulse free |
| CN108691736B (en) * | 2018-05-10 | 2019-08-20 | 西南交通大学 | A kind of big stroke isolation plunger pump of pulse free |
| FR3085729A1 (en) * | 2018-09-12 | 2020-03-13 | Exel Industries | PUMP WITH SPROCKET AND RACK SYSTEM AND USE OF SUCH A PUMP |
| EP3623618A1 (en) * | 2018-09-12 | 2020-03-18 | Exel Industries | Pump with to-and-fro system with rack and pinion and use of such a pump |
| CN115717582A (en) * | 2022-11-28 | 2023-02-28 | 德帕姆(杭州)泵业科技有限公司 | Reciprocating pump |
| CN115717582B (en) * | 2022-11-28 | 2024-02-27 | 德帕姆(杭州)泵业科技有限公司 | Reciprocating pump |
| WO2024113535A1 (en) * | 2022-11-28 | 2024-06-06 | 德帕姆(杭州)泵业科技有限公司 | Reciprocating pump |
| CN116221051A (en) * | 2023-04-23 | 2023-06-06 | 武汉市王利军科技有限公司 | Plunger pump |
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| CN106762500B (en) | 2019-05-03 |
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