CN205401103U - Modular ball pump - Google Patents

Abstract

The utility model discloses a modular ball pump, including installation base (3), headstock (2) and a N ball pump (1), headstock (2) have one input shaft (201) and a N output shaft (202), and the rotational speed of every output shaft (202) is the same, transmission power is connected with main shaft (106) of a N ball pump (1) respectively to a N output shaft (202) of headstock (2), every ball pump (1) forms pressure output source from liquid source suction liquid, the high -pressure flowing back end inward -remittance owner drainage tube of every ball pump (1), main shaft (1) of first ball pump (1) is located according to initial position, main shaft (106) the originated rotatory position of all the other ball pumps (1) the 360N degree that differs in proper order, provided is an advantage is, ball pump (1) combination back flow pulsation is little, system pressure and flow stability, and the noise is low.

Description

A kind of Combined spherical pump

Technical field

This utility model patent relates to a kind of pump machines, particularly a kind of Combined spherical pump.

Background technology

The combination of multiple liquid pumps is used and can increase pressure and the flow of pipe-line system, make up single liquid pump due to the deficiency on volume, flow, pressure, in some specific occasion, there is very important application for this combined liquid pump.But for existing liquid pump (including the almost all of existing pump-type such as plunger displacement pump, rotor-type pump, gear pump), there is following defect: be first after the combination of liquid pump, the fluid flow pulsation of its synthesis is big, and system noise is big；Second, run desired power after the combination of liquid pump unbalanced, namely torque ripple is big, causes that motor running environment worsens；3rd, after the combination of liquid pump, bulky installing and using is restricted.

Spherical compressor is the variable displacement type mechanism of neoteric a kind of brand new in recent years, its advantage be without intake/exhaust valve, movement parts is few, it is little to vibrate, mechanical efficiency is high, it is reliable etc. to seal, spherical compressor has, for liquid pump, the operation characteristic being different from existing pump machines, and ball pump has operation, and noise is little, enter discharge opeing continuous, volumetric efficiency advantages of higher.At present, the various applied researcies for ball pump carry out, and have a wide range of applications for liquid pump after ball pump is combined.

Summary of the invention

The purpose of this utility model designs a kind of Combined spherical pump exactly, for liquid pumping system, ball pump quantity, installation compound mode, operation characteristic and parameter being studied, searches out the combining form that ball pump is best, the operating condition and the reduction combined flow that optimize system are pulsed and noise.

The technical solution of the utility model is, a kind of Combined spherical pump, including mounting seat, headstock and N number of ball pump, it is characterized in that: headstock has a power shaft and N number of output shaft, and the rotating speed of each output shaft is identical；Headstock and N number of ball pump are fixedly connected in mounting seat, and the power shaft input of power from power case, N number of output shaft of headstock is connected transmission power respectively with the main shaft of N number of ball pump；Each ball pump is from fluid supply pumping liquid, and the high pressure drain side of each ball pump imports main Drainage pipe and forms pressure output end；The main shaft rotating 360 degrees of each ball pump is a complete job circulation, main spindle's ball pump being started to suck in same cycle of operation liquid is set as initial reference position, the main shaft of first ball pump is positioned at reference to initial position, and the initial position of rotation of the main shaft of all the other ball pumps differs 360/N degree successively；

Further, the quantity of ball pump is four, and four ball pumps are along same circumference uniform distribution in mounting seat, and the axis of four ball pump main shafts is parallel；The power shaft input of power from power case, exports from four parallel output shafts after speed change, and the axis of the power shaft of headstock is parallel with the axis of four output shafts, and four output shafts of headstock connect transmission power with corresponding four ball pump main shafts respectively；

Further, the quantity of ball pump is eight, and eight ball pumps are along same circumference uniform distribution in mounting seat, and the axis of eight ball pump main shafts is parallel；One power shaft input of power from power case, export from eight parallel output shafts after speed change, the axis of the power shaft of headstock is parallel with the axis of eight output shafts, and eight output shafts of headstock connect transmission power with corresponding eight ball pump main shafts respectively；

Further, combining for N number of ball pump, N number of ball pump is along same circumference uniform distribution in mounting seat, and the axis of N ball pump main shaft is parallel；One power shaft input of power from power case, from N number of parallel output shaft output after speed change, the axis of the power shaft of headstock is parallel with the axis of N number of output shaft, and N number of output shaft of headstock connects transmission power respectively with corresponding N number of ball pump main shaft；When N is even number, contrary with turning to of each two ball pump 1 main shaft on the diagonal of circle center excessively；

Further, two groups of Combined spherical series connections of pumps, often group Combined spherical pump comprises N number of ball pump, main shaft elongated hole and line shaft via are set respectively on the headstock of first group of Combined spherical pump and mounting seat, power shaft on first group of Combined spherical pump power case extends out from the main shaft elongated hole of headstock side, stretch out then through after the line shaft via in mounting seat, it is connected with the headstock power shaft of second group of Combined spherical pump again, power is provided, thus forming double-linked combination formula ball pump for second group of Combined spherical pump；The high pressure discharging tube of two groups of group Combined spherical pumps imports height overall pressure discharging tube；Adjust the initial rotation position between two groups of Combined spherical pump main shafts, main shaft Initial Turning Angle difference 360/ (2N) degree of the Initial Turning Angle of the main shaft of second group of Combined spherical pump and first group of Combined spherical pump；

Further, M group Combined spherical series connection of pumps, often group Combined spherical pump comprises N number of ball pump, main shaft elongated hole and line shaft via are set respectively on the headstock of first group of Combined spherical pump and mounting seat, power shaft on first group of Combined spherical pump power case extends out from the main shaft elongated hole of headstock side, stretch out then through after the line shaft via in mounting seat, then be connected with the power shaft (201) of the headstock (2) of second group of Combined spherical pump；The power shaft (201) of second group of Combined spherical pump stretches out in the same way from the main shaft elongated hole (204) of second group of Combined spherical pump and line shaft via (302) again, it is connected with the power shaft (201) of the 3rd group of Combined spherical pump, power is provided, thus forming M group Combined spherical pump for follow-up each Combined spherical pump；The high pressure discharging tube often organizing Combined spherical pump imports height overall pressure discharging tube；Adjusting the initial rotation position often between group Combined spherical pump main shaft, the Initial Turning Angle of main shaft and the main shaft Initial Turning Angle of first group of Combined spherical pump of often organizing Combined spherical pump differ 360/ (M*N) degree successively.

The utility model has the advantages that:

1, owing to ball pump has superior Flow Output Property, after combination, flow pulsation is little, so system pressure and stability of flow, noise is low；Meanwhile, the requirement of motor or other power input equipment is reduced, the load behavior optimization of motor, it does not have peak value fluctuates, and reduce the peak power of motor, reduce motor cost and improve the life-span of motor；Make a concrete analysis of as follows

It is analyzed as follows single spherical pumping is dynamic:

Set:

The corner rotated about the axis thereof of θ main shaft；

φ piston is around the corner of its axis；

φ 1 rotating disk is around the corner of its axis；

Spindle angular velocity；

---------piston is around the angular velocity of its axis；

Piston angular acceleration；

Rotating disk is around the angular velocity of its axis；

Disc angle acceleration；

The angle of α piston axis and rotating disk axis and main-shaft axis；

$\mathrm{\φ}=arctg\frac{1-cos\mathrm{\θ}}{sin\mathrm{\θ}\·cos\mathrm{\α}}$

${\mathrm{\ω}}_{\mathrm{\φ}}=\frac{cos\mathrm{\α}}{{\mathrm{cos\α}}^2(1+cos\mathrm{\θ})+(1-cos\mathrm{\θ})}.{\mathrm{\ω}}_{\mathrm{\θ}}$

${\mathrm{\ϵ}}_{\mathrm{\φ}}=\frac{-cos\mathrm{\α}\·sin\mathrm{\θ}\·{\sin }^2\mathrm{\α}}{{\[{\cos }^2\mathrm{\α}(1+\cos \mathrm{\θ})+(1-cos\mathrm{\θ})\]}^2}\·{\mathrm{\ω}}_{\mathrm{\θ}}^2$

φ=-φ 1

V swept volume (symmetrical two working chamber v1 operating rooms 1001 and V2 operating room 1002)；

According to above formula, space mechanism's motion, dynamic analysis the formula obtaining swept volume is as follows:

$V=K\·\[\mathrm{\β}+(2\mathrm{\α}-\frac{\mathrm{\π}}{2})\]$

In above formula, K is structural constant, and physical dimension determines that rear K is definite value,.

β=arccos [y₁+y₂+y₃]

y₁=sin α sin φ sin θ

y₂=sin α cos α cos φ

y₃=cos α sin α cos φ cos θ

α value is 15 degree, K value is 1, thus calculating the volume of operating room in single spherical pump 1 operation process, to the volume of operating room relative to angle of eccentricity derivation, the volume that can converse ball pump 1 changes also with regard to the flow of ball pump 1, thus obtaining the flow formula of single spherical pump:

Theoretical according to spherical compressor, ball pump main shaft often rotates 720 degree, piston and turntable rotation 360 degree, complete a complete cycle of operation, but for ball pump, in one complete cycle of operation of ball pump, V1 operating room 1001 and V2 operating room 1002 carry out once complete imbibition and discharge opeing work respectively, namely there is a cycle of operation respectively in V1 operating room 1001 and V2 operating room 1002, so main shaft often rotates a circle, ball pump carries out once complete oil suction and oil extraction process.

As shown in Fig. 7 to Fig. 9, the flow changing curve that respectively single pump, four pump combinations, eight pumps are drawn according to single-pump flow formula after combining, in figure, transverse axis is the rotational angle theta of main shaft, unit is degree, and the longitudinal axis is the volume change of flow relative value and ball pump, the every rotating 360 degrees of main shaft, changes in flow rate is a circulation, it can be seen that for single pump liquid output flow close to sine curve, flow pulsation is bigger；Combining for four pumps, comparatively mild after flow pulsation synthesis, eight pump combinations more they tend to mild relative to four pump combined flow pulsation.

Following table is to the flow pulsation value of actual test, flow change rate=(maximum stream flow average discharge)/average discharge * 100% after single pump to eight pump combinations.

The quantity (individual) of sundstrand pump	1	2	3	4	5	6	7	8
									Flow change rate (%)	45	18	6.5	4.5	3.4	2.3	2.4	1.5

2, ball pump is not owing to having combination valve, for face seal between each movement parts, seals reliable, complete machine and after combination mechanical efficiency high；

3, ball pump volume is little, and multiple ball pump takes the mode of circumference, and the volume after entire combination is little, is suitable for the occasion that space requirement is higher.

Accompanying drawing explanation

Fig. 1: Combined spherical pump front view described in the utility model；

Fig. 2: the left view of Combined spherical pump shown in this utility model；

Fig. 3: headstock front view；

Fig. 4: headstock left view；

Fig. 5: mounting seat front view；

Fig. 6: mounting seat left view；

Fig. 7: single-pump flow curve；

Flow curve after Fig. 8: four pump combinations；

Flow curve after Fig. 9: eight pump combinations；

Figure 10: ball pump profile；

Figure 11: cylinder cover structure schematic diagram；

A-A sectional view in Figure 12: Figure 11；

Figure 13: cylinder body front view；

Figure 14: cylinder body top view；

Figure 15: turntable structure schematic diagram；

Figure 16: piston structure schematic diagram；

Figure 17: power handle structure schematic diagram；

Figure 18: piston insert structure schematic diagram；

Figure 19: cylinder block structural representation；

Figure 20: main axle structure schematic diagram；

B-B sectional view in Figure 21: Figure 19；

D-D sectional view in Figure 22: Figure 20；

In figure: 1-ball pump；2-headstock；3-mounting seat；4-bolt；5-lifting bolt；

101-cylinder cap；102-cylinder body；103-piston；104-rotating disk；105-centrepin；106-main shaft；107-spindle carrier；108-cylinder block；109-power handle；110-guide finger；111-piston insert；112-balance weight；113-cover plate；114-A needle bearing；115-A end face bearing；116-B needle bearing；117-B end face bearing；118-C needle bearing；119-D needle bearing；200-casing；201-power shaft；202-output shaft；203-adpting flange；204-main shaft elongated hole；300-base body；301-pump seat hole；302-line shaft via；

1001-V1 operating room；1002-V2 operating room；1011-feed pathway；1012-apocenosis passage；1013-inlet；1014-leakage fluid dram；1015-piston axis hole；1021-guide-track groove；1022-rotating disk axis hole；1061-eccentric pivot hole；1062-balance groove；1063-internal spline.

Detailed description of the invention

As shown in Fig. 1 to Fig. 6 and Figure 10, Combined spherical pump includes mounting seat 3, headstock 2 and N number of ball pump 1, and in the present embodiment, the quantity N of ball pump 1 elects four as.Headstock 2 is fixedly connected on the base body 300 of mounting seat 3 by bolt 4, headstock 2 has a power shaft 201 and four output shafts 202, the rotating speed of each output shaft 202 is identical with rotation direction, and the power shaft 201 of headstock 2 is connected to headstock 2 input power with motor shaft or other power input mechanism by adpting flange 203；Four ball pumps 1 are along same circumference uniform distribution in mounting seat 3, and four ball pumps 1 are laid respectively in the pump seat hole 301 on mounting seat body 300 and are fixed in mounting seat 3 by flange and bolt 4, and main shaft 106 axis of four ball pumps 1 is parallel；The power of headstock 2, from the input of a power shaft 201, exports from four parallel output shafts 202 in casing 200 after gear-driving speed-variable, and the axis of the power shaft 201 of headstock 2 is parallel with the axis of four output shafts 202；For carrying convenient after combining and lifting, the top of mounting seat 3 is provided with lifting bolt 5.

The main shaft 106 of each ball pump 1 is connected transmission power with an output shaft 202 of headstock 2, wherein, the end of four output shafts 202 of headstock 2 is provided with external splines, as shown in figure 22, the axle head of the main shaft 106 of ball pump 1 is provided with the internal spline 1063 that output shaft 202 end spline with headstock 2 matches, and four output shafts 202 of headstock 2 connect transmission power with the main shaft 106 of corresponding four ball pumps 1 by spline respectively；Each ball pump 1 is from fluid supply pumping liquid, and the high pressure drain side of each ball pump 1 imports main Drainage pipe and forms pressure oil circuit；Main shaft 106 rotating 360 degrees of each ball pump 1 is a complete job circulation, main shaft 106 position ball pump 1 being started to suck in same cycle of operation liquid is set as initial reference position, the main shaft 106 of first ball pump 1 is positioned at reference to initial position, and the initial position of rotation of the main shaft 106 of all the other ball pumps 1 differs 90 degree successively；The reference initial position of the main shaft 106 of ball pump 1 is exactly the position of main shaft 106 place state as shown in Figure 10, now V1 operating room 1001 is positioned at volume maximum rating, V2 operating room 1002 is positioned at volume minimum state, and this state i.e. ball pump 1 start to suck the state of liquid.

As shown in Figure 10, ball pump 1 includes cylinder cap 101, cylinder body 102, piston 103, rotating disk 104, centrepin 105, main shaft 106, spindle carrier 107, cylinder block 108 etc., and cylinder cap 101, cylinder body 102, cylinder block 108, spindle carrier 107 pass sequentially through screw and be fixedly connected to form the casing of ball pump 1.Identical with conventional spherical compressor structure, cylinder cap 101 and cylinder body 102 have hemispherical inner surface, connect the spherical inner chamber forming ball pump 1；As shown in figure 16, piston 103 has spherical end face, a piston shaft stretches out in spherical end face central authorities, two angled sides and bottom, piston 103 two sides formed piston boss, piston boss is semi-cylindrical in configuration, has through piston pin hole on piston boss axis direction；The piston boss of piston 103 bottom arranges one and opens shelves, thus forming a fan-shaped cavity on the piston boss of piston 102, this piston 103 open gear in the middle of the piston boss and vertical with the axis of the piston pin hole of piston boss, piston 103 to open grade width identical with the toric width of rotating disk key seat；In order to improve the processing technology of piston 103, as shown in figure 18, at the fan-shaped cavity place opening shelves place of piston 103, a piston insert 111 is set, piston insert 111 opens a grade matching size with piston 103, the end face of piston insert 111 and piston 103 are opened the end face of shelves and are adapted, the two sides of the two sides of piston insert 111 and piston 102 adapt, the both ends of the surface of piston insert 111 and piston 103 are opened the two sides of shelves and are adapted, the lower end of piston insert 111 is coaxial with piston 103 lower end piston pin hole and that radius is identical circular arc, in the present embodiment, the end face of piston insert 111, the end face opening shelves of both ends of the surface and piston 103, two sides are arranged to the convenient processing of plane being mutually matched, be conducive to the quality of fit after improving machining accuracy and combination.

As shown in figure 15, rotating disk 104 has turntable shaft, rotating disk sphere and rotating disk key seat；The spherical inner chamber that cylinder body 102 and cylinder cap 101 are constituted has the identical centre of sphere with rotating disk sphere, and rotating disk sphere is close to spherical inner chamber formation and is sealed dynamic cooperation；The two ends of the rotating disk key seat of rotating disk 104 are semicolumn groove, and middle part is protruding semicolumn；The axis direction of semicolumn has through rotating disk pin-and-hole；Centrepin 105 inserts formation cylinder hinge in the piston pin hole of piston 103 and the rotating disk pin-and-hole of rotating disk 104, piston 103 forms sealing with rotating disk 104 by cylinder hinge and is dynamically connected, piston 103 and rotating disk 104 around cylinder hinge opposing oscillatory, and can be divided into V1 operating room 1001 and V2 operating room 1002 spherical inner chamber formation.

As shown in Figure 11, Figure 12, the piston axis hole 1015 that cylinder cap 101 is provided with, the diameter of axle size of piston shaft and piston axis hole 1015 match, piston shaft inserts to be formed in piston axis hole 1015 and is rotatably assorted, piston 103 can around the axis of piston shaft in spherical inner chamber freely rotatable, the spherical end face of piston has the identical centre of sphere and forms that sealing is dynamic to be coordinated with spherical inner chamber, increasing by a cover plate 113 on the outer face of cylinder cap 102 upper piston axis hole 1015, cover plate 113 is fixed by screws on the outer face of piston axis hole 1015.As shown in Figure 13, Figure 14, cylinder body 102 has table surface in hemispherical, hemispheric lower surface and the flange being connected with cylinder cap 101, bottom center in the spherical inside surface of cylinder body 102 is provided with the rotating disk axis hole 1022 that turntable shaft passes through, and is provided with guide-track groove 1021 on the bottom spherical outside surface of cylinder body 102.

As shown in Figure 20 and Figure 22, one end of main shaft 106 is eccentric pivot hole 1061 and balance groove 1062, this end of main shaft 106 is positioned at the cylindrical empty intracavity of cylinder block 108, it is connected with main shaft 106 in the eccentric pivot hole 1062 of turntable shaft insertion main shaft 106, the other end of main shaft 106 is provided with internal spline, is connected with the output shaft 202 of headstock 2 by internal spline；The matching form of balance weight 112 shape and balance groove 1062, balance weight 112 is placed in balance groove 1062, in order to regulate out-of-balance force when main shaft 106 rotates；The axis of above-mentioned piston shaft and turntable shaft and main shaft 106 all passes through the centre of sphere of the spherical inner chamber of cylinder body 102 and cylinder cap 101 composition, and the axis of the axis of piston shaft and turntable shaft and main shaft 106 forms identical angle α, and in the present embodiment, α is 15 degree；The rotation that spindle carrier 107 is main shaft 106 provides and supports.

Driving rotating disk 104 when main shaft 106 rotates, rotating disk 104 drives piston 103 to move；The motion of piston 103 is the rotation of unique axis around piston shaft, the motion of rotating disk 104 is by the synthesis of two kinds of motions: one is the rotation around own axes, another is that its axis is all the time by the centre of sphere of spherical inner chamber, and with the centre of sphere of spherical inner chamber be summit, cone angle be that the virtual cone surface circumference of dead in line of 2 α, axis and main shaft 106 moves (i.e. the conical surface of the inswept above-mentioned cone of the axis of rotating disk 104), the cycle synchronisation that the cycle of movement rotates with main shaft 106；The motion of space above mechanism is all the motion rotating character, therefore there is no high oscillating movement part, the synthesis result of this space motion is: piston 103 and rotating disk 104 have a periodic opposing oscillatory, and the cycle of swing is a times of main shaft swing circle, and the amplitude of swing is 4 α；Utilize the basic exercise key element that this opposing oscillatory changes as volume, form V1 operating room 1001 and the V2 operating room 1002 of pressure alternate；In ball pump 1 operation process, the volume of V1 operating room 1001 and V2 operating room 1002 is continually changing, in Figure 10, V1 operating room 1001 and V2 operating room 1002 are the situations under limit state, V1 operating room 1001 is the state after ball pump 1 oil-feed completes, so it is maximum that Tu Zhong V1 operating room 1001 illustrates regime theory volume, V2 operating room 1002 terminate for oil extraction after next cycle start the state of oil-feed and be defined as an original state, so it is zero that Tu Zhong V2 operating room 1002 illustrates regime theory volume.

As shown in Figure 11, Figure 12, being provided with feed pathway 1011 and apocenosis passage 1012 in the Internal Spherical Surface of cylinder cap 101, oil inlet passage 1011 is connected with the feed tube on cylinder cap 101 outer surface by connecting the inlet opening 1013 outside cylinder；Apocenosis passage 1012 is connected with the high pressure discharging tube on cylinder cap 101 outer surface by the outage 1014 connected outside cylinder on cylinder cap 101；Utilize coordinating of the rotation of piston 103 and the spherical surface of piston 103 hemispherical inner surface with cylinder cap 101, as the basic exercise key element that feed pathway 1011 connects or closes with V1 operating room 1001 and V2 operating room 1002 with apocenosis passage 1012 respectively, thus realizing feed liquor and discharge opeing control.

For ball pump 1, when main shaft 106 rotate to rotating disk axis overlap with piston axis time, the axis with piston 103 and rotating disk 104 of making a concerted effort that main shaft 106 acts on rotating disk 104 intersects vertically, main shaft 106 acts on the torque component that the power of rotating disk 104 does not produce to drive piston 103 and rotating disk 104 to rotate around respective axis in this position, piston 103 and rotating disk 104 cannot be made to rotate, and this is the movement dead of mechanism.In order to overcome the dead point of mechanism kinematic, the rotating disk synchronous dynamic mechanism being made up of power handle 109, guide finger 110 and the guide-track groove 1021 that formed in cylinder body 102 bottom it is provided with between cylinder body 105 and cylinder block 108, the structure of power handle 109 is as shown in figure 17, the centre of power handle 109 is provided with the square hole matched with turntable shaft upper end, fixing on the square step of the upper end of the square hole fixed installation turntable shaft of its central authorities that power handle 109 passes through, power handle 109 rotates around turntable shaft in company with rotating disk 104；The two ends side wall ends of power handle 109 is installed with guide finger 110, the upper surface shape of power handle 109 two ends sidewall is suitable with the shape of cylinder body 102 lower end and has certain gap, being sized to of gap ensures that power handle 109 does not interfere with cylinder body 102 lower end when power handle 109 rotates in company with rotating disk 104, guide finger 110 protrudes from power handle 109, power handle 109 in company with rotating disk 104 in turntable shaft rotary course, guide finger 110 is fitted with the sidewall of the guide-track groove 1021 of cylinder body 102 bottom all the time；Guide-track groove 1021 is exactly that guide finger 110 is in company with the track formed on the spherical outside surface of cylinder body 102 bottom in rotating disk 104 and power handle 109 rotary course.Power handle 109 does gyration in company with rotating disk 104, at cylinder body 102, revolving body space is formed between cylinder block 108 and main shaft 108, so in cylinder body 102 lower end, power handle 109 can freely turn round to have enough spaces to ensure between top and the upper end of main shaft 106 of cylinder block 108, as shown in Figure 19 and Figure 21, the cylindrical cavity matched in the upper end with main shaft 106 it is provided with in the bottom of cylinder block 108, it is provided with on the top of cylinder block 108 and rotates suitable annular space with power handle 109 two ends, power handle 109 is made not interfere with cylinder block when turning round in company with rotating disk 104.

In order to reduce the frictional resistance in rotor operating, reduce the abrasion of rotor component, keep high accuracy persistent high efficiency operating, improve the life-span of ball pump 1, mating part at the eccentric pivot hole 1061 of turntable shaft and main shaft 106 is provided with B needle bearing 116, main shaft 106 and cylinder block 108 cylindrical fit part are provided with D needle bearing 119, axially engage part at main shaft 106 and cylinder block 108 and be provided with A end face bearing 115 and B end face bearing 117；Mating part at piston shaft Yu piston axis hole arranges A needle bearing 114；Between main shaft 106 and spindle carrier 107, the part of cylindrical fit is provided with C needle bearing 118, reduces the friction between spindle carrier 107 and main shaft 106.

Above-described embodiment is the quantity of ball pump 1 is four situations, and in actual applications, the quantity of ball pump 1 can be N number of.

When the quantity of ball pump 1 is eight, eight ball pumps 1 are along same circle distribution in mounting seat 3, and the axis of the main shaft 106 of eight ball pumps 1 is parallel；The power of headstock 2 is from the input of a power shaft 201, export from eight parallel output shafts 202 after gear-driving speed-variable, the axis of the power shaft 201 of headstock 2 is parallel with the axis of eight output shafts 202, eight output shafts 202 of headstock 2 connect transmission power with the main shaft 106 of corresponding eight ball pumps 1 by spline respectively, the main shaft 106 of first ball pump 1 is positioned at reference to initial position, and the initial position of rotation of the main shaft 106 of all the other 7 ball pumps 1 differs 45 degree successively.

Combining for N number of ball pump 1, N number of ball pump 1 is along same circumference uniform distribution in mounting seat 3, and the axis of the main shaft 106 of N ball pump 1 is parallel；The input of one power shaft 201 of power from power case 2, export from N number of parallel output shaft 202 after gear shift, the axis of the power shaft 201 of headstock 2 is parallel with the axis of N number of output shaft 202, and N number of output shaft 202 of headstock 2 connects transmission power with the main shaft 106 of corresponding N number of ball pump 1 by spline respectively；When N is even number, contrary to cross turning to of each two ball pump 1 main shaft 106 on the diagonal of circle center, now, the produced moments of inertia that operate of two ball pumps 1 on diagonal balance mutually, so the overall unbalance inertia force square of system is minimum.

In this patent, two groups of Combined spherical pumps can be connected use, main shaft elongated hole 204 and line shaft via 302 are set respectively on the headstock 2 of first group of Combined spherical pump and mounting seat 3, such as Fig. 1, Fig. 3, shown in Fig. 5, power shaft 201 on first group of Combined spherical pump power case 2 extends out from the main shaft elongated hole 204 of headstock 2 side, stretch out then through after the line shaft via 302 in mounting seat 3, it is connected with the power shaft 201 of the headstock 2 of second group of Combined spherical pump again, power is provided for second group of Combined spherical pump, thus forming double-linked combination formula ball pump；The high pressure discharging tube of two groups of group Combined spherical pumps imports height overall pressure discharging tube, adjust the initial rotation position between two groups of Combined spherical pumps, make the Initial Turning Angle of the main shaft of second group of Combined spherical pump and main shaft Initial Turning Angle difference 360/ (2N) degree of first group of Combined spherical pump.Combined spherical pump for four pump combinations, Initial Turning Angle between the main shaft 106 of first group of four ball pump 1 is relative to first ball pump 1 (first group with reference to pump) difference 90 degree successively, Initial Turning Angle between the main shaft 106 of second group of four ball pump 1 is relative to second group of first ball pump 1 (second group with reference to pump) difference 90 degree successively, and the Initial Turning Angle between first ball pump 1 (second group with reference to pump) of second group of ball pump and the main shaft 106 of first ball pump 1 (first group with reference to pump) of first group of ball pump differs 45 degree.

For M group Combined spherical series connection of pumps, main shaft elongated hole 204 and line shaft via 302 are set respectively on the headstock 2 of first group of Combined spherical pump and mounting seat 3, power shaft 201 on first group of Combined spherical pump power case 2 extends out from the main shaft elongated hole 204 of headstock 2 side, stretch out then through after the line shaft via 302 in mounting seat 3, then be connected with the power shaft 201 of the headstock 2 of second group of Combined spherical pump；The power shaft 201 of second group of Combined spherical pump stretches out in the same way from the main shaft elongated hole 204 of second group of Combined spherical pump and line shaft via 302 again, it is connected with the power shaft 201 of the 3rd group of Combined spherical pump, the like, thus forming M group Combined spherical pump；The high pressure discharging tube often organizing Combined spherical pump imports height overall pressure discharging tube, adjust the initial rotation position often between group Combined spherical pump main shaft 106, make the Initial Turning Angle often organizing the main shaft 106 of the Initial Turning Angle of the main shaft 106 of Combined spherical pump and first group of Combined spherical pump differ 360/ (M*N) degree successively.

Claims (6)

1. a Combined spherical pump, including mounting seat (3), headstock (2) and N number of ball pump (1), it is characterized in that: headstock (2) has a power shaft (201) and N number of output shaft (202), and the rotating speed of each output shaft (202) is identical；Headstock (2) and N number of ball pump (1) are fixedly connected in mounting seat (3), power shaft (201) input of power from power case (2), N number of output shaft (202) of headstock (2) is connected transmission power respectively with the main shaft (106) of N number of ball pump (1)；Each ball pump (1) is from fluid supply pumping liquid, and the high pressure drain side of each ball pump (1) imports main Drainage pipe and forms pressure output source；Main shaft (106) rotating 360 degrees of each ball pump (1) is a complete job circulation, position ball pump (1) being started to suck in same cycle of operation the main shaft (106) of liquid is set as initial reference position, the main shaft of first ball pump (1) is positioned at reference to initial position, and the initial position of rotation of the main shaft (106) of all the other ball pumps (1) differs 360/N degree successively.

2. a kind of Combined spherical pump according to claim 1, it is characterized in that: the quantity of ball pump (1) is four, four ball pumps (1) are along same circumference uniform distribution in mounting seat (3), and the axis of the main shaft (106) of four ball pumps (1) is parallel；Power shaft (201) input of power from power case (2), export from four parallel output shafts (202) after speed change, the axis of the power shaft (201) of headstock (2) is parallel with the axis of four output shafts (202), and four output shafts (202) of headstock (2) connect transmission power respectively with the main shaft (106) of corresponding four ball pumps (1).

3. a kind of Combined spherical pump according to claim 1, it is characterized in that: the quantity of ball pump (1) is eight, eight ball pumps (1) are along same circumference uniform distribution in mounting seat (3), and the axis of the main shaft (106) of eight ball pumps (1) is parallel；Power shaft (201) input of power from power case (2), export from eight parallel output shafts (202) after speed change, the axis of the power shaft (201) of headstock (2) is parallel with the axis of eight output shafts (202), and eight output shafts (202) of headstock (2) connect transmission power respectively with the main shaft (106) of corresponding eight ball pumps (1).

4. a kind of Combined spherical pump according to claim 1, it is characterized in that: N number of ball pump (1) is combined, N number of ball pump (1) is along same circumference uniform distribution in mounting seat (3), and the axis of the main shaft (106) of N ball pump (1) is parallel；Power shaft (201) input of power from power case (2), from N number of parallel output shaft (202) output after speed change, the axis of the power shaft (201) of headstock (2) is parallel with the axis of N number of output shaft (202), and N number of output shaft (202) of headstock (2) connects transmission power respectively with corresponding N number of ball pump (1) main shaft (106)；When N is even number, contrary to cross turning to of the main shaft (106) of each two ball pump (1) on the diagonal of circle center.

5. a kind of Combined spherical pump according to claim 1, it is characterized in that: two groups of Combined spherical series connections of pumps, often group Combined spherical pump comprises N number of ball pump (1), main shaft elongated hole (204) and line shaft via (302) are set respectively on the headstock (2) of first group of Combined spherical pump and mounting seat (3), power shaft (201) on first group of Combined spherical pump power case (2) extends out from the main shaft elongated hole (204) of headstock (2) side, stretch out then through after the line shaft via (302) in mounting seat (3), it is connected with the power shaft (201) of the headstock (2) of second group of Combined spherical pump again, power is provided for second group of Combined spherical pump, thus forming double-linked combination formula ball pump；The high pressure discharging tube of two groups of group Combined spherical pumps imports height overall pressure discharging tube；Adjust the initial rotation position of main shaft (106) between two groups of Combined spherical pumps, Initial Turning Angle difference 360/ (2N) degree of the Initial Turning Angle of the main shaft (106) of second group of Combined spherical pump and the main shaft (106) of first group of Combined spherical pump.

6. a kind of Combined spherical pump according to claim 1, it is characterized in that: M group Combined spherical series connection of pumps, often group Combined spherical pump comprises N number of ball pump (1), main shaft elongated hole (204) and line shaft via (302) are set respectively on the headstock (2) of first group of Combined spherical pump and mounting seat (3), power shaft (201) on first group of Combined spherical pump power case (2) extends out from the main shaft elongated hole (204) of headstock (2) side, stretch out then through after the line shaft via (302) in mounting seat (3), it is connected with the power shaft (201) of the headstock (2) of second group of Combined spherical pump again；The power shaft (201) of second group of Combined spherical pump stretches out in the same way from the main shaft elongated hole (204) of second group of Combined spherical pump and line shaft via (302) again, it is connected with the power shaft (201) of the 3rd group of Combined spherical pump, the like, power is provided, thus forming M group Combined spherical pump for follow-up each Combined spherical pump；The high pressure discharging tube often organizing Combined spherical pump imports height overall pressure discharging tube；Adjusting the initial rotation position often between group Combined spherical pump main shaft (106), the Initial Turning Angle of main shaft (106) and main shaft (106) Initial Turning Angle of first group of Combined spherical pump of often organizing Combined spherical pump differ 360/ (M*N) degree successively.