CN202991472U - Axial symmetric curved surface rotating positive displace pump - Google Patents
Axial symmetric curved surface rotating positive displace pump Download PDFInfo
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- CN202991472U CN202991472U CN 201220650395 CN201220650395U CN202991472U CN 202991472 U CN202991472 U CN 202991472U CN 201220650395 CN201220650395 CN 201220650395 CN 201220650395 U CN201220650395 U CN 201220650395U CN 202991472 U CN202991472 U CN 202991472U
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Abstract
Provided is an axial symmetric curved surface rotating positive displace pump. Compared with the prior art, the stressing plane of the end portion of a sliding baffle can be reduced greatly or eliminated by increasing the diameter of an idler wheel of the end portion of the sliding baffle or chamfering the stressing plane of the end portion of the sliding baffle to a slope or arcing to a cambered surface, and meanwhile, when the sliding baffle runs to the low point of a curved surface rotary disc and transits to the high point, the wide side of the end portion of the baffle can not contact with a curved surface of the rotary disc so as to be stressed, back pressure of high-pressure fluid in the pump to the end face of the sliding baffle is reduced to maximum or eliminated, and the purpose that the sliding baffle can not be compressed by the high-pressure fluid and clearance separation can not be generated is ensured. The defects in the prior art caused by instantaneous separation of the baffle and the curved surface of the rotary disc are overcome, wherein the instantaneous separation is caused by the stressing plane of the end portion of the sliding baffle, particularly the critical defect that the actual service life is shortened is overcome, and the efficiency of the rotating positive displace pump is guaranteed under long-time running.
Description
Technical field
The utility model is the improvement to axisymmetric curved surface rotary volume-variable pump, relate in particular to a kind ofly can guarantee that the rotary volume-variable pump efficiency is high, noise is low, vibrations are little, the axisymmetric curved surface rotary volume-variable pump of slide damper and curved surface rotating disk long service life.
Background technique
Axisymmetric curved surface rotary volume-variable pump is a kind of newtype rotating displacement pump, its working efficiency is very high, pumping efficiency is up to 70～80%, exceed 30～40% left and right than Ordinary Centrifugal Pumps efficient, especially use in small flow, high pressure operating mode, efficient can exceed 40% left and right than centrifugal pump, for example flow 20～30m
3/ h, the centrifugal pump of lift 0.8MPa, general efficient only has 35～40%, and carries the axisymmetric curved surface rotary volume-variable pump of same flow and lift, and its efficient is up to 75% left and right.In addition, also because being that volume gradual change compression realizes pumping, in pump, liquid linear velocity is lower, and is less to the wearing and tearing of pump erosion for this pump, thus at transfer of highly viscous liquid, contain the solid-phase material slurry and have original advantage.For example use at the various lots of petroleum crude oil of China and carry, existing Crude Oil Transportation multistage centrifugal pump power can be saved more than 35%, is a kind of comparatively ideal Crude Oil Transportation pump.And this pump can just/counterrotating work.
Chinese patent 200620116360.9 discloses a kind of curved surface rotary volume-variable pump, basic structure such as Fig. 1, 2, the assembling type pump cover 2.1 and 2.2 that comprises the cylindrical circular pump case 3 of inner chamber and two supports rotating shaft, the pump chamber axially fixedly separator disc 5 at middle part is divided into two chambeies, left and right with pump, the rotating shaft 1 of passing separator disc with the pump chamber dead in line, the opposed liquid entering hole 7 in pump case separator disc position and liquid outlet 6, be communicated with the drain groove 5.1 and 5.2 of both sides on the thickness face of separator disc liquid in-out mouth position, separator disc both sides and pump chamber side face are rotatably assorted, curved surface relatively and 180 degree that are staggered, be fixed on the axisymmetric curved surface rotating disk 4.1 and 4.2 in rotating shaft, axial slide is arranged in the middle of separator disc liquid in-out mouth, but the baffle plate assembly 8 that the interpolation axial reciprocating slides.Wherein baffle plate assembly is comprised of left baffle 8.1 and 8.2, middle guide pad 8.3 and spring 8.4, makes left baffle be the elasticity Collapsible structure.Working principle: separator disc two N-Side surfs in opposite directions, the axisymmetric curved surface rotating disk synchronous rotaries of curved surface dislocation 180 degree, produce respectively volume reducing (discharge) and volume in slide damper both sides and increase (suction), the left and right has 2 and discharges active chamber, 2 suck active chamber, externally discharge and suck fluid by drain groove on separator disc, thus realize pump row, inhale continuously and carry.Slide damper to-and-fro motion in the separator disc axial slide is by the curved surface rotating disk curved surface promotion of opposed 180 degree that are staggered of synchronous rotary.yet this structure has just proposed a kind of imagination of axisymmetric curved surface rotary volume-variable pump, consider owing to lacking engineering operation, make the displacement pump that designs and produces by this, lack actual application value in engineering, particularly working life is short, usually effectively work is no more than 20 days, thereby cause the actual model utility of this displacement pump for many years, just rest on theory stage, so far do not have and reach the pump that satisfies Practical Project operation needs and put goods on the market, so market is this pump physical presence not, report is not arranged on the pump project handbook yet, the Crude Oil in China transfer pump still adopts the lower multistage centrifugal pump of efficient so far.
for example: separate displacement pump high, the baffle plate that endwisely slips of low pressure area, one side is the low pressure area of imbibition, opposite side is the zone of high pressure of output, contact the slide damper end of separating the height nip with the axisymmetric curved surface rotating disk, long-time and curved surface rotating disk curved surface sliding friction, for alleviating and the contact wear of curved surface rotating disk, employing is offered circular hole in the end, place circular roller or roller (following general designation roller), in the middle part of making the slide damper end face, the roller cylindrical contacts with the line that the curved surface rotating disk is the surface of contact minimum, reduce slide damper end face and curved surface rotating disk surface friction drag and reduce wearing and tearing with this, extend slide damper and/or curved surface rotating disk working life.Yet because being only considers from alleviating sliding friction, be arranged on roller 10 diameters of slide damper end face much smaller than Weir Plate Thickness (end face exposes seldom circular arc), make slide damper end rollers both sides existence larger plane of constraint 11 (Fig. 3).and this pump slide damper both sides high-low pressure is poor larger, usually up to more than 1MPa, the high-pressure liquid that compression forms can produce axial pushing tow compression to this plane, especially when moving to the high point of curved surface section A (Fig. 4), the plane that the end rollers both sides are larger, also can cause wide roller low pressure area side of baffle plate end and curved surface contact (Fig. 3), cause the baffle plate end rollers to separate with curved surface rotating disk moment, slide damper end face and curved surface turntable clearance are increased, end face and highly pressurised liquid area of contact have been strengthened, and then increased the back-pressure thrust of pressure fluid to slide damper, causing slide damper end and curved surface rotating disk to produce intermittence separates.Separate with the curved surface turntable intermittent slide damper end: the one, and cause high-pressure liquid to leak to the channelling of baffle plate opposite side low pressure suction area, reduce the actual output quantity of pump (reducing pump work efficient), and efficient increases with outlet pressure and reduces, the theoretical efficiency value significantly descends, and the highlyest lowers efficiency 15～20%; And along with extend working time, slide damper medi-spring 8.4 is because repeatedly significantly being compressed, produce the fatigability flexibility decrease, baffle plate end face and curved surface rotating disk interface pressure are reduced, and then further channelling is leaked in increase, cause at actual motion after 10～20 days, pump duty and outlet pressure significantly descend, two indexs generally will descend 15～20% simultaneously, carry in the above high pressure of 1Mpa, efficient only has 65～70%, especially when conveying contains solid-phase material crude oil, generally is difficult to working life over 10 days.The 2nd, the intermittent separation of slide damper high frequency (800 rev/mins of left and right of rotating speed), making slide damper and curved surface turntable surface produce high frequency clashes into, not only very easily cause the wearing and tearing of baffle plate end face roller impact, shortened baffle plate working life, the engineering operation baffle plate only has 10～15 days actual life, also can cause simultaneously the curved surface disc surfaces to produce local damage, surperficial crudeization because impacting, slide damper and curved surface surface friction drag increase, and cause the pump power consumption to increase; And the high-frequency pulse formula is clashed into, (during operation, outlet does not have noise, vibration without pressure for noise when also having increased pump operation and vibrations, as long as pump discharge one has pressure, noise, vibration are just amplified, and pressure is higher, noise, vibrations are larger), vibrations produce bearing and shaft sealing is obviously shortened working life.Although can deal with the high-pressure liquid back pressure by increasing the slide damper inner spring intensity of pressure in theory, but causing having increased between baffle plate and curved surface rotating disk, increase spring pressure intensity results weares and teares, cause equally baffle plate and the shortening in working life of curved surface rotating disk, the spring pressure strength increase also causes the pump power consumption to increase simultaneously, increases operation energy consumption.In addition, slide damper high-frequency pulse formula like this is clashed into, also limited the selection of roller material, usually can only adopt metal to make roller, and the common metal roller, its wear resistance is relatively poor, and this is also to cause a short major reason of actual life, and Metal Contact Rollers has also limited it and can not be used for using with granule medium.Although all good nonmetallic material of some Economy, wear resistance and processability are arranged in engineering, such as silicon carbide, aluminium oxide ceramics, zirconium oxide, sytull etc., due to the large weakness of himself intrinsic fragility, high-frequency pulse formula shock is easy to cause cracked, thereby can't be used for the baffle plate end rollers.Use short-term (10～15 days) internal leakage serious, rated flow reduces, decrease in efficiency, and pump power increases, noise, vibrations are large, and baffle plate and curved surface rotating disk large shortcoming in working lifes short five are difficult to overcome, become the impassable obstacle of pump input engineering operation for this reason, fail for a long time to solve.
In addition, existing axisymmetric curved surface rotary volume-variable pump, the pump liquid entering hole is identical with the design of fluid oral pore sectional area, and is high due to the liquid outlet hydrodynamic pressure, flow velocity is fast, for example when discharge pressure is 0.8MPa, 10～15 meters of stream scooter per seconds; And the liquid sucting port negative suction is lower, and under aforementioned delivery pressure, negative suction is only-0.02MPa that flow velocity can only reach 4～6 meters.So at one time, flow by the liquid in-out mouth produces very large difference, cause suction port feed liquor flow to be significantly less than the liquid outlet output flow, the consequence of generation will reduce pump real work efficient equally, and can produce cavitation erosion property noise because of the low flow velocity of liquid sucting port.
Above-mentioned deficiency still has is worth improved place.
Summary of the invention
The model utility purpose is to overcome above-mentioned the deficiencies in the prior art, provides a kind of and can guarantee that the rotary volume-variable pump efficiency is high, noise is low, vibrations are little, the axisymmetric curved surface rotary volume-variable pump of slide damper and curved surface rotating disk long service life.
The utility model is for solving the problems of the technologies described above, provide following technological scheme: axisymmetric curved surface rotary volume-variable pump, comprise the cylindrical circular pump case of inner chamber, the axial middle part of pump chamber is separated pump chamber and is fixed in the separator disc of the pump housing, the opposed liquid entering hole in pump case side face separator disc position and liquid outlet, the separator disc both sides are rotatably assorted with the pump chamber side face, curved surface is relative and 180 degree that are staggered, be fixed on the axisymmetric curved surface rotating disk in rotating shaft, axial slide, the built-in assembly of slide damper in axial sliding in the middle of separator disc liquid in-out mouth.The slide damper assembly is comprised of the baffle plate that horizontally slips, middle guide pad and spring, makes the baffle plate that horizontally slips be the elasticity Collapsible structure.The roller of slide damper end is characterized in that slide damper end rollers diameter is close with slide damper thickness.
technique scheme is by strengthening slide damper end rollers diameter, make it near slide damper thickness, or become inclined-plane or circular arc to become cambered surface slide damper roller both sides plane of constraint corner cut, reach with this and eliminate or reduce Weir Plate Thickness end face roller both sides plane of constraint, baffle plate is when moving to curved surface rotating disk low spot to height point transition inclined-plane like this, wide low pressure area one side of baffle plate end do not contact with curved surface disk operation face, thereby eliminated the back pressure of pump inner high voltage fluid to the slide damper end face, and separate with the curved surface turntable intermittent slide damper end, the prior art existing problems have been overcome.Said baffle plate end is near the major diameter roller of Weir Plate Thickness, embedding under enabled condition, can be large as far as possible, after roller is installed in the baffle plate end like this, the roller both sides are substantially without plane of constraint, its effect is to reduce high-pressure liquid to slide damper end back pressure, and makes baffle plate when moving to curved surface rotating disk low spot to height point transition inclined-plane, and wide low pressure area one side of baffle plate end do not contact with curved surface disk operation face.
As further improvement of the utility model, described roller center has through hole, in be provided with the bearing pin location, as the improvement to described bearing pin, there is the anti-rotation protuberance bearing pin upper end.
Roller of the present utility model can be set to single cylindrical rollers or be set at least two cylindrical rollers superimposed.
Preferably be provided with the flexible anti-shock circle between the utility model above-mentioned rollers and bearing pin.
Roller of the present utility model also can be set at least one bearing, utilizes the bearing pin location that arranges in bearing hole, and described bearing pin is preferably the upper end and has the anti-rotation protuberance, preferably has the flexible anti-shock circle between described roller and bearing pin.
Above-mentioned all optimal ways all can be provided with pit at the roller two ends, and embedded ball is located.
The above-mentioned preferred rotating property that effectively improves roller, reduce the wearing and tearing of roller, increase the service life, by locating, install additional bearing with bearing pin, two ends pit/ball outside bearing pin, adopting the superimposed replacement roller of a plurality of bearings, a kind of being more preferably that a flexible anti-shock circle (such as plastics, rubber etc.) is set between roller and pin, not only improved the shock resistance when conveying medium containing particles, and can be used for the brittle material roller, effectively improve splitting resistance.
As further improvement of the utility model, the opposed liquid entering hole in pump case side face separator disc position and liquid outlet, three kinds of concrete forms can be arranged, and a kind of is that the liquid in-out mouth is arranged on separator disc thickness face, and the groove that is communicated with both sides is offered in separator disc thickness face liquid in-out mouth position; Another kind is that separator disc thickness face is not offered the connection grooves on two sides, and the liquid in-out mouth is offset to outside separator disc thickness; Another is the above two combinations.
As further improvement of the utility model, be also further to improve the wear resistance of slide damper end rollers, increase the service life, and the conveying that is applicable to contain solid phase particles medium material, roller can adopt the wear-resistant ceramics such as silicon carbide, silicon nitride, aluminium oxide or zirconium oxide, the wear-resistant plastics such as modified ultra-high molecular weight polyethylene or modified Teflon, graphite, the materials such as sytull are made, and better adopt roller construction (simplifying making).Due to the expansion of roller selection, roller and curved surface rotating disk material interworking, a kind of is better to join firmly or firmly join the soft-principle interworking by soft, namely by material nonhomogeneous hardness interworking.For example the curved surface rotating disk is the metal rigid material, and roller can be selected the flexible materials such as wear-resistant plastic, impregnated graphite, or higher cemented carbide, the silicon carbide of hardness; If the curved surface rotating disk adopts the flexible materials such as engineering plastics, rubber, roller can be selected the hard materials such as pottery, metal, sytull.The soft or hard interworking, can wear and tear by the decrease rubbing surface like this, the working life that is conducive to improve slide damper and curved surface rotating disk, thereby the working life of effective elevator pump.
As further improvement of the utility model, for reducing or eliminating the reduction that liquid in-out mouth flow difference causes pump efficiency, a kind of is better to make feed liquor oral pore sectional area greater than fluid oral pore sectional area 10～50% (the higher liquid entering hole of delivery pressure cross section is larger), with balance liquid entering hole and liquid outlet actual flow, guarantee the theoretical efficiency (or making decrease in efficiency to minimum) of pump.
The utility model provides a kind of scheme that solves the utility model technical problem in addition: axisymmetric curved surface rotary volume-variable pump, comprise the cylindrical circular pump case of inner chamber, the axial middle part of pump chamber is separated pump chamber and is fixed in the separator disc of the pump housing, the opposed liquid entering hole in pump case side face separator disc position and liquid outlet, the separator disc both sides are rotatably assorted with the pump chamber side face, curved surface is relative and 180 degree that are staggered, be fixed on the axisymmetric curved surface rotating disk in rotating shaft, axial slide in the middle of separator disc liquid in-out mouth, the built-in assembly of slide damper in axial sliding.The slide damper assembly is comprised of the baffle plate that horizontally slips, middle guide pad and spring, makes the baffle plate that horizontally slips be the elasticity Collapsible structure.The roller of baffle plate end is characterized in that described slide damper roller both sides plane of constraint corner cut is to make roller two lateral retaining plate end thickness inclined-plane or the arc surface close with roller diameter.
Put to the gradient that forms between the slide damper low spot by making the roller height, greater than the maximum slope on curved surface rotating disk inclined-plane, eliminate like this or reduce Weir Plate Thickness end face plane of constraint, become inclined-plane or circular arc to become cambered surface two jiaos of corner cuts of end surface thickness, thereby overcome the deficiencies in the prior art, realize the model utility purpose.
the beneficial effects of the utility model: axisymmetric curved surface rotary volume-variable pump of the present utility model, with respect to prior art, due to by taking to strengthen slide damper end rollers diameter, or become inclined-plane or circular arc to become cambered surface baffle plate end plane of constraint corner cut, thereby greatly reduce or eliminated slide damper end plane of constraint, slide damper is when moving to curved surface rotating disk low spot to height point transition inclined-plane simultaneously, wide side of baffle plate end not can with rotating disk curved surface contact, reduce to greatest extent or eliminated pump inner high voltage fluid to slide damper end face back pressure, guarantee that slide damper can not compressed by highly pressurised liquid, the generation intermittence is separated, overcome prior art slide damper end and had plane of constraint, cause baffle plate and rotating disk curved surface moment to separate the shortcoming of bringing, particularly actual life short critical defect, can guarantee that the long-time running of rotary volume-variable pump efficiency does not reduce, the liquid entering hole cross section is greater than the liquid outlet Cross section Design, also can further reduce the decline of pump real work efficient, the operation power consumption does not increase, eliminate intermittence and clashed into noise and the vibrations that produce, also extended the working life of slide damper, curved surface rotating disk and pump, thereby made the rotary volume-variable pump have the Practical Project operation value.Secondly, clash into owing to having eliminated slide damper high-frequency pulse formula, make end rollers material range of choice enlarge, some Economy, processability and wear resistance are all got well and the large material (wear-resistant ceramics such as silicon carbide, aluminium oxide, zirconium oxide of fragility, the wear-resistant plastics such as modified ultra-high molecular polyethylene, modified Teflon, impregnated graphite or sytull) can be used, so more can increase substantially the working life of slide damper end rollers and curved surface rotating disk, and enlarged pump Applicable scope, for example can be used for containing the conveying of granule medium.
Below in conjunction with several specific embodiments; model utility essence is further understood in exemplary illustration and help; but embodiment's detail is only for model utility is described; do not represent the lower whole technological schemes of model utility design; therefore should not be construed as the total technological scheme of model utility is limited; some are In the view of the technician; the unsubstantiality that does not depart from the model utility design increases and/or changes; for example change or replace so that technical characteristics with same or similar technique effect is simple, all truely using novel protected scope.
Description of drawings
Fig. 1 is prior art axisymmetric curved surface rotary volume-variable pump structure schematic diagram.
Fig. 2 is the A-A cut-away view of Fig. 1.
Fig. 3 is slide damper end one side and the curved surface rotating disk stressed schematic diagram that contacts when height point in Fig. 1.
Fig. 4 is the open and flat schematic diagram of Fig. 1 axisymmetric curved surface rotating disk.
Fig. 5 is structural representation of the present utility model.
Fig. 6 is the A-A cut-away view of Fig. 5.
Fig. 7 is a kind of end construction schematic diagram of the utility model slide damper.
Fig. 8 is roller bearing pin scheme of installation in Fig. 5.
Fig. 9 is that superimposed bearing replaces the roller schematic diagram.
Figure 10 is two ends Ball support positioning roller schematic diagram in Fig. 5.
Figure 11 has flexible buffer circle schematic diagram in the roller bearing pin in Fig. 5.
Figure 12 is the another kind of end construction schematic diagram of model utility slide damper.
Figure 13 is the another kind of liquid inlet and outlet schematic diagram of displacement pump.
Figure 14 is another liquid inlet and outlet schematic diagram of displacement pump.
Embodiment
embodiment 1: referring to Fig. 5, 6, 7, the utility model axisymmetric curved surface rotary volume-variable pump, the assembling type pump cover 021 and 022 that comprises the cylindrical circular pump case 003 of inner chamber and two supports rotating shaft, rotating shaft 001 with the pump chamber dead in line, the axial middle part of pump chamber is separated pump chamber and is fixed in the separator disc 005 of the pump housing, the pump case 003 separator disc 005 opposed liquid entering hole 007 in position and liquid outlet 006, separator disc 005 liquid in-out mouth (007, 006) the drain groove 051 and 052 of opposed connection both sides on position thickness face, separator disc 005 both sides and pump chamber inner peripheral surface are rotatably assorted, curved surface relatively and 180 degree that are staggered, be fixed on the axisymmetric curved surface rotating disk 004 in rotating shaft 001, separator disc 005 liquid in-out mouth (007, 006) neutral position has axial slide, interpolation is slide damper assembly 008 in axial sliding.Wherein slide damper assembly 008 is comprised of the baffle plate 081 and 082 that horizontally slips, middle guide block 083 and spring 084, makes the baffle plate that horizontally slips (081,082) be the elasticity Collapsible structure according to middle guide block 083.Pump case 003 is useful on the perforation notch 009 that slide damper assembly 008 is installed in slide damper assembly 008 position, slide damper assembly 008 inserts in separator disc 005 axial slide from connect notch 009.horizontally slip baffle plate 081 and 082 outer end has the round blind hole of outside gap, roller is set to single cylindrical rollers 012, its diameter and the baffle plate (081 that horizontally slips, 082) thickness close (it is superimposed that roller also can be set at least two cylindrical rollers 012), roller inserts by the round blind hole of this outside gap the baffle plate (081 that horizontally slips, 082) end, single or at least two cylindrical rollers 012 are protruded the described baffle plate (081 that horizontally slips by gap, 082) end face, consisting of rolls coordinates (roller is located without pin), the major diameter roller that above-mentioned baffle plate end arranges has been eliminated end face roller both sides plane of constraint substantially, even above-mentioned slide damper (081, 082) when moving to curved surface rotating disk 041 low spot to height point transition inclined-plane A, above-mentioned slide damper (081, 082) wide low pressure area one side of end do not contact with curved surface rotating disk 041 yet.
Embodiment 2: referring to Fig. 8, as embodiment 1, wherein there is through hole at the roller center, is inserted with location pin 013 in the hole, and there is anti-rotation protuberance 014 pin 013 upper end, location, and end rollers is by pin 013 location.This structure also can be used for the single cylindrical rollers 012 of the superimposed replacement of a plurality of cylindrical rollers 012.
Embodiment 3: referring to Fig. 9, as embodiment 2, wherein large diameter cylinder type roller 012 can adopt at least one equal diameter closed assembly bearing 015 to replace, for delivery of the oils medium.
Embodiment 4: referring to Figure 10, as embodiment 1 or 2, wherein the large diameter cylinder type roller has pit in two ends Shang Xia 012, and round ball (for example metal, pottery, glass, plastics ball) 016 is housed in pit, locates by two ends and realizes the roller location and rotate.
Embodiment 5: referring to Figure 11, as embodiment 2, wherein large diameter cylinder type roller 012 and 013 of the pin in location have flexible anti-shock circle 017 (for example plastics, nylon or rubber ring), this structure can not only reduce pump and produce vibrating noise when conveying contains the hard particles material, and for fragility big rollers such as silicon carbide, silicon nitride, aluminium oxide, zirconium oxide or sytulles, can play good anti-vibration and impact, avoid the vibrations of fragility roller high frequency damaged.
Also can in embodiment 3 or 4, be provided with flexible anti-shock circle 017 at roller (can be cylindrical rollers or bearing) and 013 of alignment pin.
Embodiment 6: referring to Figure 12, as embodiment 1, wherein slide damper (081,082) end rollers still adopts small-diameter circular cylindricality roller, and described slide damper (081,082) roller both sides plane of constraint corner cut is that to make the roller two lateral retaining plate end thickness inclined-plane 019 close with roller diameter or arc surface 018(be that circular arc is processed into cambered surface).
Embodiment 7: referring to Figure 13, as embodiment 1, wherein on the thickness face of separator disc 005 liquid in-out mouth (007,006) position without the drain groove that is communicated with both sides, liquid entering hole 007 and liquid outlet 006 stretch out, and form 071,072,061,062 and the chamber conducting of curved surface rotating disk.
Embodiment 8: referring to Figure 14, as embodiment 1 and embodiment 7, wherein on pump case 003, liquid inlet and outlet (007,006) is the above two combinations, and liquid entering hole 007 has center-aisle 073 and two side canals 071 and 072, and liquid outlet 006 has center-aisle 063 and two side canals 061 and 062.
Embodiment 9: as embodiment 1, large diameter cylinder type roller 012 or at least two cylindrical rollers 012 are superimposed, can select different materials according to actual applying working condition, and for example delivery temperature is more than 60 ℃, discharge pressure can adopt manganese steel, copper, cemented carbide etc. more than 1MPa; Delivery temperature is in 60 ℃, and discharge pressure can adopt wear-resistant plastic or the rubber such as modified ultra-high molecular weight polyethylene or modified Teflon in 1MPa; Carry abrasion slip medium, can adopt good but the material that fragility is large of silicon carbide, aluminium oxide ceramics, zirconium oxide or sytull uniform wearability.
Embodiment 10: as aforementioned, liquid entering hole 007 hole sectional area is designed to greater than liquid outlet 006 hole sectional area 10%～50%.
to those skilled in the art, under this patent design and specific embodiment enlightenment, some distortion that can directly derive or associate from this patent disclosure and general knowledge, those of ordinary skills will recognize also can adopt additive method, or the substituting of known technology commonly used in prior art, and the equivalence of feature changes or modifies, mutual various combination between feature, for example the roller location can also be bearing pin, the compound mounting structure of bearing, etc. unsubstantiality change, can be employed equally, can realize this patent representation function and effect, launch for example no longer one by one to describe in detail, all belong to this patent protection domain.
Claims (13)
1. axisymmetric curved surface rotary volume-variable pump, comprise the cylindrical circular pump case of inner chamber, the axial middle part of pump chamber is separated pump chamber and is fixed in the separator disc of the pump housing, the opposed liquid entering hole in pump case side face separator disc position and liquid outlet, separator disc both sides and pump chamber side face are rotatably assorted, curved surface relatively and 180 degree that are staggered, be fixed on the axisymmetric curved surface rotating disk in rotating shaft, axial slide is arranged in the middle of separator disc liquid in-out mouth, the built-in assembly of slide damper in axial sliding, the slide damper assembly is by the baffle plate that horizontally slips, middle guide pad and spring form, make the baffle plate that horizontally slips be the elasticity Collapsible structure, the roller of slide damper end, it is characterized in that slide damper end rollers diameter is close with slide damper thickness.
2. axisymmetric curved surface rotary volume-variable pump according to claim 1 is characterized in that described roller center has through hole, in be provided with the bearing pin location.
3. axisymmetric curved surface rotary volume-variable pump according to claim 2 is characterized in that there is the anti-rotation protuberance described bearing pin upper end.
4. axisymmetric curved surface rotary volume-variable pump according to claim 2, is characterized in that described roller is set to single cylindrical rollers.
5. axisymmetric curved surface rotary volume-variable pump according to claim 2, is characterized in that described roller is set at least two cylindrical rollers superimposed.
6. axisymmetric curved surface rotary volume-variable pump according to claim 1, is characterized in that described roller is set at least one bearing, and the bearing pin location is set in bearing hole.
7. axisymmetric curved surface rotary volume-variable pump according to claim 6 is characterized in that there is the anti-rotation protuberance described bearing pin upper end.
8. one of according to claim 1～7 described axisymmetric curved surface rotary volume-variable pumps, is characterized in that the flexible anti-shock circle is arranged between described roller and bearing pin.
9. one of according to claim 1～5 described axisymmetric curved surface rotary volume-variable pumps is characterized in that there is the embedded ball of pit location at described roller two ends.
10. axisymmetric curved surface rotary volume-variable pump, comprise the cylindrical circular pump case of inner chamber, the axial middle part of pump chamber is separated pump chamber and is fixed in the separator disc of the pump housing, the opposed liquid entering hole in pump case side face separator disc position and liquid outlet, separator disc both sides and pump chamber side face are rotatably assorted, curved surface relatively and 180 degree that are staggered, be fixed on the axisymmetric curved surface rotating disk in rotating shaft, axial slide in the middle of separator disc liquid in-out mouth, the built-in assembly of slide damper in axial sliding, the slide damper assembly is by the baffle plate that horizontally slips, middle guide pad and spring form, make the baffle plate that horizontally slips be the elasticity Collapsible structure, the roller of baffle plate end, it is characterized in that described slide damper roller both sides plane of constraint corner cut is to make roller two lateral retaining plate end thickness inclined-plane or the arc surface close with roller diameter.
11. one of according to claim 1～7 described axisymmetric curved surface rotary volume-variable pumps is characterized in that described feed liquor oral pore sectional area is designed to greater than fluid oral pore sectional area 10%～50%.
12. one of according to claim 1～5 described axisymmetric curved surface rotary volume-variable pumps is characterized in that described roller material is silicon carbide, silicon nitride, aluminium oxide, zirconium oxide, modified ultra-high molecular weight polyethylene, modified Teflon, impregnated graphite, sytull or cemented carbide.
13. one of according to claim 1～5 described axisymmetric curved surface rotary volume-variable pumps is characterized in that roller and curved surface rotating disk are by material nonhomogeneous hardness interworking.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220650395 CN202991472U (en) | 2012-12-03 | 2012-12-03 | Axial symmetric curved surface rotating positive displace pump |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220650395 CN202991472U (en) | 2012-12-03 | 2012-12-03 | Axial symmetric curved surface rotating positive displace pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979720A (en) * | 2012-12-03 | 2013-03-20 | 宜兴市宙斯泵业有限公司 | Axisymmetric curved surface rotary variable displacement pump |
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2012
- 2012-12-03 CN CN 201220650395 patent/CN202991472U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979720A (en) * | 2012-12-03 | 2013-03-20 | 宜兴市宙斯泵业有限公司 | Axisymmetric curved surface rotary variable displacement pump |
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Granted publication date: 20130612 |
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| CX01 | Expiry of patent term |