CN105903263B

CN105903263B - High-precision stepped type oil liquid filtering circulating device

Info

Publication number: CN105903263B
Application number: CN201610404402.7A
Authority: CN
Inventors: 李贤余
Original assignee: JIANGSU YUANDA MACHINERY TECHNOLOGY Co Ltd
Current assignee: JIANGSU YUANDA MACHINERY TECHNOLOGY CO LTD
Priority date: 2016-06-08
Filing date: 2016-06-08
Publication date: 2017-11-07
Anticipated expiration: 2036-06-08
Also published as: CN105903263A

Abstract

The invention discloses high-precision stepped type oil liquid filtering circulating device, including the ultra-magnetic telescopic pump being sequentially connected, coarse strainer, vacuum oil strainer, fie screen and fuel tank, oil in fuel tank is delivered to coarse strainer and tentatively filtered by ultra-magnetic telescopic pump, then it is separated by filtration into vacuum oil strainer, eventually passes and fuel tank is returned to after fie screen；Also bypass has service valve on vacuum oil strainer, when vacuum oil strainer, which is overhauled, stops transport, and opens service valve and keeps loop unimpeded.The oil liquid filtering circulating device can precisely control circular flow while the classified filtering of fluid is realized, the oil filtrating for the small flow system that is particularly suitable for use in, and good with radiating condition, and the cycle of operation is long, the advantages of maintenance facilitates.

Description

High-precision stepped type oil liquid filtering circulating device

Technical field

The present invention relates to oily filtration art, and in particular to high-precision stepped type oil liquid filtering circulating device.

Background technology

Oil system is an important accessory system in modern industry, and the work that can not ignore has been played in multiple fields With.And oil is a critically important index in oil system, how oil is directly connected to life-span and the quality of oil system, for It is especially true for the accurate field such as aircraft, turbine spindle.

Oil filtering, is certainly an important means for improving oil, due to the thickness species phase not to the utmost of well cuts Together, therefore design a kind of filter with classified filtering and just seem and be even more important；The essence of circular flow is only realized simultaneously Quasi- control, could play the effect of oil filtering to maximum.

Ferromagnetic crstal is under the excitation of externally-applied magnetic field, and its length and volume can change, when externally-applied magnetic field excitation After removal, its size returns to original phenomenon, referred to as magnetostrictive effect again.Ultra-magnetic telescopic pump is to utilize ultra-magnetic telescopic The mechanism of dilatation can occur in externally-applied magnetic field for material, pump chamber is produced change, form the one-way flow of liquid And pump action, it has flow control accurate, small volume, advantages of simple structure and simple.

The content of the invention

In view of the above-mentioned problems, the present invention provides high-precision stepped type oil liquid filtering circulating device.

The purpose of the present invention is realized using following technical scheme：

High-precision stepped type oil liquid filtering circulating device, it is characterized in that, including be sequentially connected ultra-magnetic telescopic pump, coarse filtration Oil in fuel tank is delivered to coarse strainer and tentatively filtered by net, vacuum oil strainer, fie screen and fuel tank, ultra-magnetic telescopic pump, Then it is separated by filtration into vacuum oil strainer, fuel tank is returned to after most laggard meticulous filter screen；It is also other on vacuum oil strainer There is service valve on road, when vacuum oil strainer, which is overhauled, stops transport, and opens service valve and keeps loop unimpeded；The aperture of the coarse strainer with The ratio between aperture of fie screen is the ratio between largest loop oil mass and minimal circulation oil mass.

Preferably, the bottom of the coarse strainer, which is drawn, has a pipeline to the bottom of vacuum oil strainer, for for vacuum oil mistake Filter put into operation before oiling, be provided with fuel feeding valve on the pipeline.

Preferably, a pipeline is additionally provided with to the entrance of ultra-magnetic telescopic pump at the top of the vacuum oil strainer, be used for Vacuum oil strainer put into operation before emptying, be additionally provided with exhaust-valve on the pipeline.

Preferably, the ultra-magnetic telescopic pump is integrally vertically-mounted, including the pump housing, giant magnetostrictive rod, output shaft, piston Component, check valve assembly, pressing means, end cap, driving coil, indirect cooling system and emergency cooling system, the pump housing include interior pump Body and the outer pump housing, form the cooling chamber of annular between inner pump and the outer pump housing；Driving coil is contained in the inner chamber of inner pump, is surpassed Magnetostrictive rod is arranged on the axis of driving coil；The lower end of output shaft is connected with the upper end of giant magnetostrictive rod, output Axle and the pump housing are made by the soft magnetic materials of high magnetic permeability, and the length and the equal length of driving coil of giant magnetostrictive rod； Giant magnetostrictive rod is pole shape, and its making material includes rare earth metal Tb, dysprosium and magnesium-yttrium-transition metal iron；

The outer pump housing upwardly extends to form buckling body, and the lower horizontal of output shaft is connected with supporting, supporting and portion Divide output shaft to be contained in buckling body, be symmetrically arranged with 2 buckling grooves on the wall body of buckling body centered on axis, each button Closing groove includes sliding groove, multiple fixing grooves and the multiple horizontally disposed link slots arranged vertically, the sliding groove, link slot and Fixing groove is sequentially communicated；The pressing means are connected by spring with supporting, for applying precompression, institute to giant magnetostrictive rod Spring housing is stated on output shaft；2 are symmetrically arranged with the edge of the pressing means centered on axis to fasten with described The shapes and sizes of the holding section that groove is used cooperatively, its shapes and sizes and fixing groove match, when holding section is fastened on difference During the fixing groove of horizontal level, giant magnetostrictive rod obtains different grades of precompression；Pressing means are pushed when applying precompression, Holding section enters in sliding groove, horizontally rotates pressing means so that holding section enters link slot, when the correspondence position for reaching fixing groove Shi Songkai pressing means, holding section is fastened in fixing groove under spring force；

The piston component includes fixed body and piston, and output shaft is affixed through fixed body and piston, and piston base is set There is a barrier film made by elastic membraneous material, it is fixed by screws on fixed body, barrier film is complete by piston, pump chamber and the external world Separate entirely, while strengthening the restoring force of piston when being shunk for giant magnetostrictive rod；

The check valve assembly includes import check valve and Outlet check valves, and both are arranged on valve body in the opposite direction On, valve block is beam type, realizes the folding of valve port by the bending and reply of valve block, the cantilever end of valve block and import or is gone out Mouth is in close contact；The valve block uses spring steel plate and beryllium-bronze as making material, at the timeliness by three hours insulations Reason, and cooled down by the way of natural air cooling；The giant magnetostrictive rod produces dilatation, band in the magnetic field of change Piston does straight reciprocating motion, and piston movement causes pump chamber to change, two check valves alternation pressure differential driving under, Alternately open and close, serve rectified action, finally realize the unidirectional continuous flowing of liquid medium；The import and export of check valve, Sealing is filled using O shape rubber seal on the circumference of barrier film；

Preferably, the indirect cooling system includes chimney cooler, small-sized cooling blower, cooling entrance and cooled down out Mouthful, inner pump is made up of the preferable soft magnetic materials of heat conduction, and cooling entrance is set on the top of the outer pump housing, and coolant outlet is set outside The bottom of the pump housing；The chimney cooler is integrated on the outer surface of the outer pump housing, and cooling entrance is directly connected with chimney cooler, Coolant outlet is connected by small-sized cooling blower with the chimney cooler, is passed through in the spiral coil cooling tube in chimney cooler cold But water；It is small when the air temperature value for detecting inner pump inner chamber is higher than setting value T1 during ultra-magnetic telescopic pump operation Type cooling blower automatic start, the heat of inner pump inner chamber is exported to cooling chamber by the wall body of inner pump, while in cooling chamber Hot-air circulating cooling is carried out under the drive of small-sized cooling blower, so as to reduce the temperature of driving coil；It is described small-sized cold But the power of blower fan is 170w, and the giant magnetostrictive rod length is 150mm, and driving current size is 4A, and frequency is 10HZ；

Preferably, the emergency cooling system includes emergent cooling entrance, emergent cooling chamber and 2 emergent coolant outlets, 2 The individual emergent coolant outlet is arranged in the base below the pump housing, and emergent cooling entrance is arranged on the top of inner pump；It is described Emergent coolant outlet and emergent cool down are filled with low melting point, its fusion temperature T2 ＞ T1, the low melting point into intraoral It is being also mixed with the pump housing material identical soft magnetic materials；The section of the emergent coolant outlet is inverted trapezoidal shape, is met an urgent need The section of cooling entrance is arranged to trapezoidal shape tapered from left to right；The emergent coolant outlet is with setting thereunder emergent Vented cavity is connected, and the lower surface of emergency ventilation chamber is inclined-plane, and its one end is connected with the inlet duct of small-sized cooling blower, separately One end is connected with wax discharging port；When the air themperature of inner pump inner chamber is more than T2, paraffin starts fusing, emergent coolant outlet and enters Mouth is opened because of the fusing of paraffin, and the hot-air of inner chamber directly carries out circulating cooling under the drive of small-sized cooling blower；It is emergent Paraffin after melting in coolant outlet falls into emergency ventilation intracavitary, and falls into wax discharging port along inclined-plane；The end of the wax discharging port Closing element is provided with, closing element is bolted on the bottom of base, when needing de-waxing, release bolt removes closing element will Paraffin is discharged；The pump housing and base are fastened by two parts up and down and formed, for operating personnel by under the pump housing and base dismounting To refill paraffin, and clean out the paraffin answered and remained in cooling chamber and emergency ventilation chamber.

Preferably, the heat exchanging piece of multiple outwardly convexs is additionally provided with the outer surface of the inner pump, the heat exchanging piece is whole Body is provided with multiple spiral salients, the hand of spiral phase of two neighboring spiral salient in round table-like on the side of each heat exchanging piece Instead.

This oil liquid filtering circulating device has the beneficial effect that：(1) while the classified filtering of fluid is realized, can precisely it control Circular flow, the oil filtrating for the small flow system that is particularly suitable for use in, and it is simple and reliable for structure；(2) a kind of new precompressed is devised Power applies mechanism, and this application precompression mode reduce further the integrated weight of pumping system by the design of buckling groove, have Beneficial to lightweight；Simultaneously by this graduate precompression applying mode, operating personnel can find to more convenient and quicker certainly The corresponding position of precompression needed for oneself, can easily change the position of engaging according to specific size of current and frequency size To change the grade of precompression, and pre-pressure mechanism is that output shaft and piston component provide reliable restoring force, with more preferable The straight reciprocating motion of piston component is realized on ground, ultimately forms good pumping action；(3) the indirect cooling system of uniqueness is devised System, can effectively prevent cooling water from leaking into the inner chamber of inner pump, prevent driving coil short circuit, while pump body design is into hollow form Also it can effectively mitigate the weight of pump, save soft magnetic materials, and employ the heat exchanging piece of uniqueness to strengthen cooling effect；(4) it is supporting Emergency cooling system is devised, in the case where running into more extreme high-temperature condition, paraffin can just melt to start emergency cooling system, Normal condition lower inner cavity is the space of a closing, and preferably smaller leakage field (particularly mixes certain soft magnetism in paraffin During material), while cost simple in construction is relatively low, without using the complicated and higher electric-controlled type cooling system of cost；(5) devise The new pump sealing apparatus being association of activity and inertia, the barrier film of elastic membraneous material's making has been installed additional in piston base, and in check valve Import and export position, sealing is filled using O shape rubber seal again on the circumference of barrier film, this integral seal mode can To reach extraordinary sealing effectiveness, the restoring force of piston can also be strengthened；(6) applicable one way valve members, valve block are devised It is cold using natural air using spring steel plate and beryllium-bronze as making material, and by the Ageing Treatment of three hour insulations But mode, drastically increases its elastic performance, two check valves are under the pressure differential driving of alternation, and alternating beats on and off Close, serve rectified action, finally realize the unidirectional continuous flowing of liquid medium.

Brief description of the drawings

Using accompanying drawing, the invention will be further described, but the embodiment in accompanying drawing does not constitute any limit to the present invention System, for one of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to the following drawings Other accompanying drawings.

Fig. 1 is the overall structure diagram of this oil liquid filtering circulating device；

Fig. 2 is the overall structure diagram of ultra-magnetic telescopic pump；

Fig. 3 is the front view of buckling body；

Fig. 4 is the top view of buckling body；

Fig. 5 is the upward view of pressing means；

Fig. 6 is the structural representation of check valve；

Fig. 7 is the upward view of base；

Fig. 8 is the top view of valve body in check valve assembly；

Fig. 9 is the structural representation of heat exchanging piece.

Reference：Ultra-magnetic telescopic pump -1；Coarse strainer -2；Vacuum oil strainer -3；Fie screen -4；Fuel tank -5；Super magnetic Cause extension stem -6；Output shaft -7；Piston component -8；Check valve assembly -9；Pressing means -10；End cap -11；Driving coil -12；It is interior The pump housing -13；The outer pump housing -14；Cooling chamber -15；Buckling body -16；Sliding groove -17；Link slot -18；Fixing groove -19；Spring -20； Supporting -21；Holding section -22；Piston -23；Fixed body -24；Barrier film -25；Valve block -26；Chimney cooler -27；Small-sized cooling Blower fan -28；Cool down entrance -29；Coolant outlet -30；Base -31；Emergent coolant outlet -32；Emergent cooling entrance -33；It is emergent Vented cavity -34；Wax discharging port -35；Closing element -36；Import check valve -37；Outlet check valves -38；Valve body -39；Heat exchanging piece -40； Spiral salient -41；Service valve -42；Fuel feeding valve -43；Exhaust-valve -44.

Embodiment

The invention will be further described with the following Examples.

Embodiment 1：

High-precision stepped type oil liquid filtering circulating device as shown in Figure 1, including be sequentially connected ultra-magnetic telescopic pump 1, Oil in fuel tank 5 is delivered to coarse strainer 2 and entered by coarse strainer 2, vacuum oil strainer 3, fie screen 4 and fuel tank 5, ultra-magnetic telescopic pump 1 The preliminary filtering of row, is then separated by filtration into vacuum oil strainer 3, fuel tank 5 is returned to after most laggard meticulous filter screen 4；Vacuum Also bypass has service valve 42 on oil strainer 3, when vacuum oil strainer 3, which is overhauled, stops transport, and opens service valve 42 and keeps loop smooth It is logical.The ratio between the aperture of the coarse strainer 2 and the aperture of fie screen 4 are the ratio between largest loop oil mass and minimal circulation oil mass.It is described The bottom of coarse strainer 2, which is drawn, has a pipeline to the bottom of vacuum oil strainer 3, for being put into operation for vacuum oil strainer 3 before oiling, Fuel feeding valve 43 is provided with the pipeline.The top of the vacuum oil strainer 3 is additionally provided with a pipeline to ultra-magnetic telescopic pump 1 Exhaust-valve 44 is additionally provided with entrance, the emptying before being put into operation for vacuum oil strainer 3, the pipeline.

As shown in Fig. 2 ultra-magnetic telescopic pump 1 is integrally vertically-mounted, including the pump housing, giant magnetostrictive rod 6, output shaft 7, work Plug assembly 8, check valve assembly 9, pressing means 10, end cap 11, driving coil 12, indirect cooling system, emergency cooling system.The pump housing Including inner pump 13 and the outer pump housing 14, the cooling chamber 15 of annular is formed between inner pump 13 and the outer pump housing 14.Driving coil 12 is set Put in the inner chamber in inner pump 13, giant magnetostrictive rod 6 is arranged on the axis of driving coil 12, the lower end of output shaft 7 It is connected with the upper end of giant magnetostrictive rod 6.Output shaft 7 and the pump housing are made up of the soft magnetic materials of high magnetic permeability, in order to ensure to the greatest extent may be used Can ground improve the magnetic field intensity that puts on giant magnetostrictive rod 6 and save material, the length of giant magnetostrictive rod 6 be set to The length of driving coil 12 is identical.Giant magnetostrictive rod 6 is pole shape, and main component is rare earth metal Tb, dysprosium and transition group gold Belong to iron etc..

As shown in Figure 3-4, the outer pump housing 14 upwardly extends to form buckling body 16, and the lower horizontal of output shaft 7 is connected with undertaking Part 21, supporting 21 and part output shaft 7 are contained in buckling body 16.As shown in Figure 3-4, with axis on the wall body of buckling body 16 It is symmetrically arranged with 2 buckling grooves centered on line, sliding groove 17 that each buckling groove includes arranging vertically, multiple fixing grooves 19 and many Individual horizontally disposed link slot 18, sliding groove 17, link slot 18 and fixing groove 19 are sequentially communicated.When holding section 22 is fastened on difference During the fixing groove 19 of horizontal level, giant magnetostrictive rod 6 will obtain different grades of precompression.As shown in figures 2 and 5, pressing means 10 are connected by spring 20 with supporting 21, and precompression is applied to giant magnetostrictive rod 6, and spring 20 is sleeved on output shaft 7.In advance The application of pressure can significantly affect magnetostrictive effect.For given magnetic field intensity, apply an optimal precompression and carry Lotus, can be greatly enhanced the strain of magnetostriction materials：Apply a precompression, the magnetic domain for making material internal is turned to and pre- The direction of pressure perpendicular, material is shunk in the axial direction.When magnetic field intensity applies vertically, magnetic domain is rotated, direction with Magnetization direction is consistent, so that bigger deformation is generated, namely bigger strain.With axis on the edge of pressing means 10 Centered on be symmetrically arranged with 2 holding sections used cooperatively with buckling groove 22, its shapes and sizes is corresponding with fixing groove 19, when When applying precompression, pressing means 10 are pushed, holding section 22 enters in sliding groove 17, then horizontally rotate pressing means 10 and cause card Conjunction portion 22 enters link slot 18, unclamps pressing means 10 when reaching the correspondence position of fixing groove 19, holding section 22 is in spring force It is fastened under effect in fixing groove 19.It is this apply precompression mode advantage be：(1) further dropped by the design of buckling groove The low integrated weight of pumping system, is conducive to lightweight；(2) inventor it has been investigated that, designed and produced for one Into ultra-magnetic telescopic pump for, precompression is not linear to the influence curve of the output flow under different electric currents, is had In the case of be not even continuous, and always have a more excellent even optimal correspondence under different electric currents and frequency range Precompression, thus for and the common operating personnel of unfamiliar this characteristic for, suitable precompression pair is found every time The position answered is a pretty troublesome thing, by this graduate precompression applying mode, can be found to more convenient and quicker The corresponding position of precompression needed for oneself.For example, when input current is 6A, and frequency is 10HZ, required precompression is 15MPa Left and right, when change input current condition when, operating personnel can easily according to specific size of current and frequency size come Change the position of engaging to change the grade of precompression.Each grade precompression pair that developer will can draw through overtesting The parameter area answered is labeled in the surface of buckling body 16 to facilitate operating personnel to use.Specific series can be according to actual conditions Obtained by experiment.(3) simultaneously, pre-pressure mechanism is that output shaft 7 and piston component 8 provide reliable restoring force, with more preferable The straight reciprocating motion of piston component 8 is realized on ground, ultimately forms good pumping action.

Piston component 8 includes fixed body 24 and piston 23, and output shaft 7 is affixed through fixed body 24 and piston 23, piston 23 Bottom is provided with a barrier film 25 made by elastic membraneous material, and it is fixed by screws on fixed body 24, and barrier film 25 will be living Plug 23, pump chamber and the external world are completely separated, and this integral seal mode can reach extraordinary sealing effectiveness.Due to make every The elastic properties of materials of film 25 preferably, when giant magnetostrictive rod 6 shrinks, can also strengthen the restoring force of piston.Except using increase The mode of barrier film 25 is sealed, in order to reach better seal effect, in the import and export position of check valve, the circumference of barrier film 25 It is upper that sealing is filled using O shape rubber seal again.

As seen in figs. 6 and 8, check valve assembly 9 includes import check valve 37 and Outlet check valves 38, and both press opposite side To on valve body 39, valve block 26 is beam type, and the folding of valve port is realized by the bending and reply of valve block 26.Valve block 26 can be designed to according to actual use requirement it is variously-shaped, when it is installed, the cantilever end of valve block 26 be with pass in and out it is tight-lipped Contiguity is touched, to guarantee quick opening and closing.When check valve assembly 9 works, when the pressure differential of the both sides of valve block 26 reaches valve block During 26 Opening pressure, valve block 26 is acted on by power, and bend deflection, so as to realize the switch of check valve assembly.Valve block 26 use spring steel plate and beryllium-bronze as making material, and by the Ageing Treatment of three hours insulations, using natural air The mode of cooling, drastically increases its elastic performance.The working mechanism of ultra-magnetic telescopic pump 1 can be summarized as follows：Super mangneto is stretched Compression material can produce dilatation, and then do straight reciprocating motion with piston in the magnetic field of change.Piston movement causes pump Chamber volume changes, and makes pump chamber and extraneous generation pressure differential, two check valves are under the pressure differential driving of alternation, and alternating beats on and off Close, serve rectified action, finally realize the unidirectional continuous flowing of liquid medium.

Turning now to Fig. 1, when ultra-magnetic telescopic pump 1, to be operated in high current, high capacity or ambient temperature higher in itself In the case of, driving coil 12 is easily overheated, because the distance between driving coil 12 and giant magnetostrictive rod 6 are smaller, The overheat of driving coil 12 can cause giant magnetostrictive rod 6 to deform, and then cause output flow to change greatly, or even stop Situation, therefore indirect cooling system is additionally provided with, it includes chimney cooler 27, small-sized cooling blower 28, cooling entrance 29 and Coolant outlet 30, while by the form that pump body design is inner pump 13 and the outer pump housing 14, inner pump 13 is by the preferable soft magnetism of heat conduction Material is made, and cooling entrance 29 is set on the top of the outer pump housing 14, and the bottom of the outer pump housing 14 is provided with coolant outlet 30, tubular type Cooler 27 is integrated on the outer surface of the outer pump housing 14, and cooling entrance 29 is directly connected with chimney cooler 27, coolant outlet 30 It is connected by small-sized cooling blower 28 with chimney cooler 27, cooling water is passed through in the spiral coil cooling tube in chimney cooler 27. It is small-sized if detecting the air temperature value of the inner chamber of inner pump 13 higher than setting value T1 in the running of ultra-magnetic telescopic pump 1 The automatic start of cooling blower 28, the heat of the inner chamber of inner pump 13 is exported to cooling chamber 14 by the wall body of inner pump 13, while cold But the circulating cooling under the drive of small-sized cooling blower 28 of the hot-air in chamber 15, so as to reduce the temperature of driving coil 12.This It is that can effectively prevent cooling water from leaking into the inner chamber of inner pump 13 to plant the benefit cooled down indirectly, prevents the short circuit of driving coil 12, simultaneously Pump body design also can effectively mitigate the weight of pump into hollow form, save soft magnetic materials.The power of small-sized cooling blower 28 is 170w, the length of giant magnetostrictive rod 6 is 150mm, and driving current size is 4A, when frequency is 10HZ, the peace of ultra-magnetic telescopic pump 1 Line period for the national games increases 20% before not transforming.

It is provided with below the pump housing in base 31, base 31 and is provided with two emergent coolant outlets 32, in inner pump 13 Top be provided with emergent cooling entrance 33.Low melting point is filled with emergent coolant outlet 32 and emergent cooling entrance 33, Such as paraffin, its fusion temperature T2 ＞ T1, can according to actual needs configure and also be mixed in the material of different melting points, the low melting point Enter appropriate with pump housing material identical soft magnetic materials.The section of emergent coolant outlet 32 is arranged to inverted trapezoidal shape, answers chilling But the section of entrance 33 is arranged to trapezoidal shape tapered from left to right, can effectively prevent paraffin from not melting to drop, and can guarantee that Smoothly it can be dropped during melted paraffin wax along the direction of design.Emergent coolant outlet 32 is with setting emergency ventilation chamber 34 thereunder It is connected, the lower surface of emergency ventilation chamber 34 is inclined-plane, and its one end is connected with the inlet duct of small-sized cooling blower 28, another End is connected with wax discharging port 35.When the air themperature of the inner chamber of inner pump 13 is more than T2, sent out by warning device (not shown) Go out alarm, fallen into while paraffin starts the paraffin after melting in fusing, emergent coolant outlet 32 in emergency ventilation chamber 34, and along Inclined-plane falls into wax discharging port 35, and now emergent coolant outlet 32 and entrance 33 are opened because of the fusing of paraffin, because T2 is more than T1, Now small-sized cooling blower 28 has been run, and it is cold that the hot-air of inner chamber directly carries out circulation under the drive of small-sized cooling blower 28 But.The advantage of this emergent cooling structure is：Cooling water is not used directly, it is to avoid leak causes the wind of the short circuit of driving coil 12 Danger；Running into compared with (such as load, current swing are big) under extreme high-temperature condition, paraffin can just melt to start emergent cooling System, normal condition lower inner cavity is the space of a closing, and preferably smaller leakage field (is particularly mixed certain in paraffin During soft magnetic materials), while cost simple in construction is relatively low, without using the complicated and higher electric-controlled type cooling system of cost.

The end of wax discharging port 35 is closed by closing element 36, and closing element 36 is bolted on the bottom of base 31.When When needing de-waxing, release bolt removes closing element 36 and discharges paraffin.As shown in figs. 2 and 7, the pump housing and base 31 are by up and down two Part snap-fit is formed, within the pump shutdown period (if necessary can also on-line operation operation), operating personnel can by the pump housing and Base 31, which is disassembled, refills paraffin, and cleans out the paraffin answered and remained in cooling chamber 15 and emergency ventilation chamber 34.It is emergent Cooling entrance 33 flows into the paraffin in cooling chamber 15 and can only could cleared up after pump housing dismounting after melting, it is contemplated that paraffin is molten Change and the volume of non-recurrent event and cooling chamber 15 is more much bigger than the volume of emergency ventilation chamber 34, in actual motion not Influence the normal operation of pump.

Preferably, as shown in figure 9, being additionally provided with the heat exchanging piece 40 of multiple outwardly convexs on the outer surface of inner pump 13, change Warmware 40 is overall in round table-like, and multiple spiral salients 41, two neighboring spiral salient are provided with the side of each heat exchanging piece 40 41 hand of spiral is on the contrary, i.e. previous dextrorotation, latter derotation,...The heat exchanging piece 40 of this particular design can be effectively increased Air and the turbulent flow on the surface of inner pump 13, to increase heat exchange efficiency.

In the oil liquid filtering circulating device of this embodiment, (1) can precisely be controlled while the classified filtering of fluid is realized Circular flow, the oil filtrating for the small flow system that is particularly suitable for use in, and it is simple and reliable for structure；(2) a kind of new precompressed is devised Power applies mechanism, and this application precompression mode reduce further the integrated weight of pumping system by the design of buckling groove, have Beneficial to lightweight；Simultaneously by this graduate precompression applying mode, operating personnel can find to more convenient and quicker certainly The corresponding position of precompression needed for oneself, can easily change the position of engaging according to specific size of current and frequency size To change the grade of precompression, and pre-pressure mechanism is that output shaft and piston component provide reliable restoring force, with more preferable The straight reciprocating motion of piston component is realized on ground, ultimately forms good pumping action；(3) the indirect cooling system of uniqueness is devised System, can effectively prevent cooling water from leaking into the inner chamber of inner pump 13, prevent the short circuit of driving coil 12, while pump body design is into hollow Form also can effectively mitigate the weight of pump, save soft magnetic materials, and employ the heat exchanging piece 40 of uniqueness to strengthen cooling effect；It is small The power of type cooling blower 28 is 170w, and the length of giant magnetostrictive rod 6 is 150mm, and driving current size is 4A, and frequency is 10HZ When, the safe operation cycle of ultra-magnetic telescopic pump 1 do not transform before increase 20%；(4) Aided design emergency cooling system, In the case where running into more extreme high-temperature condition, paraffin can just melt to start emergency cooling system, and normal condition lower inner cavity is one The space of individual closing, preferably smaller leakage field (when certain soft magnetic materials is particularly mixed in paraffin), while structure is simple Single cost is relatively low, without using the complicated and higher electric-controlled type cooling system of cost；(5) the new pump being association of activity and inertia is devised close Seal apparatus, piston 23 be additionally arranged at the bottom elastic membraneous material making barrier film 25, and the import and export position of check valve, every Sealing is filled using O shape rubber seal again on the circumference of film 25, this integral seal mode can reach very good Sealing effectiveness, the restoring force of piston can also be strengthened；(6) applicable one way valve members are devised, valve block 26 uses spring steel Piece and beryllium-bronze are as making material, and the Ageing Treatment being incubated by three hours, by the way of natural air is cooled down, pole The earth improves its elastic performance, and two check valves alternately open and close under the pressure differential driving of alternation, serve rectification Effect, finally realizes the unidirectional continuous flowing of liquid medium.

Embodiment 2：

Turning now to Fig. 1, when ultra-magnetic telescopic pump 1, to be operated in high current, high capacity or ambient temperature higher in itself In the case of, driving coil 12 is easily overheated, because the distance between driving coil 12 and giant magnetostrictive rod 6 are smaller, The overheat of driving coil 12 can cause giant magnetostrictive rod 6 to deform, and then cause output flow to change greatly, or even stop Situation, therefore indirect cooling system is additionally provided with, it includes chimney cooler 27, small-sized cooling blower 28, cooling entrance 29 and Coolant outlet 30, while by the form that pump body design is inner pump 13 and the outer pump housing 14, inner pump 13 is by the preferable soft magnetism of heat conduction Material is made, and cooling entrance 29 is set on the top of the outer pump housing 14, and the bottom of the outer pump housing 14 is provided with coolant outlet 30, tubular type Cooler 27 is integrated on the outer surface of the outer pump housing 14, and cooling entrance 29 is directly connected with chimney cooler 27, coolant outlet 30 It is connected by small-sized cooling blower 28 with chimney cooler 27, cooling water is passed through in the spiral coil cooling tube in chimney cooler 27. It is small-sized if detecting the air temperature value of the inner chamber of inner pump 13 higher than setting value T1 in the running of ultra-magnetic telescopic pump 1 The automatic start of cooling blower 28, the heat of the inner chamber of inner pump 13 is exported to cooling chamber 14 by the wall body of inner pump 13, while cold But the circulating cooling under the drive of small-sized cooling blower 28 of the hot-air in chamber 15, so as to reduce the temperature of driving coil 12.This It is that can effectively prevent cooling water from leaking into the inner chamber of inner pump 13 to plant the benefit cooled down indirectly, prevents the short circuit of driving coil 12, simultaneously Pump body design also can effectively mitigate the weight of pump into hollow form, save soft magnetic materials.The power of small-sized cooling blower 28 is 190w, the length of giant magnetostrictive rod 6 is 150mm, and driving current size is 6A, when frequency is 10HZ, the peace of ultra-magnetic telescopic pump 1 Line period for the national games increases 25% before not transforming.

Preferably, as shown in figure 9, being additionally provided with the heat exchanging piece 40 of multiple outwardly convexs on the outer surface of inner pump 13, change Warmware 40 is overall in round table-like, and multiple spiral salients 41, two neighboring spiral salient are provided with the side of each heat exchanging piece 40 41 hand of spiral is on the contrary, i.e. previous dextrorotation, latter derotation,....The heat exchanging piece 40 of this particular design can be effectively increased Air and the turbulent flow on the surface of inner pump 13, to increase heat exchange efficiency.

In the oil liquid filtering circulating device of this embodiment, (1) can precisely be controlled while the classified filtering of fluid is realized Circular flow, the oil filtrating for the small flow system that is particularly suitable for use in, and it is simple and reliable for structure；(2) a kind of new precompressed is devised Power applies mechanism, and this application precompression mode reduce further the integrated weight of pumping system by the design of buckling groove, have Beneficial to lightweight；Simultaneously by this graduate precompression applying mode, operating personnel can find to more convenient and quicker certainly The corresponding position of precompression needed for oneself, can easily change the position of engaging according to specific size of current and frequency size To change the grade of precompression, and pre-pressure mechanism is that output shaft and piston component provide reliable restoring force, with more preferable The straight reciprocating motion of piston component is realized on ground, ultimately forms good pumping action；(3) the indirect cooling system of uniqueness is devised System, can effectively prevent cooling water from leaking into the inner chamber of inner pump 13, prevent the short circuit of driving coil 12, while pump body design is into hollow Form also can effectively mitigate the weight of pump, save soft magnetic materials, and employ the heat exchanging piece 40 of uniqueness to strengthen cooling effect；It is small The power of type cooling blower 28 is 190w, and the length of giant magnetostrictive rod 6 is 150mm, and driving current size is 6A, and frequency is 10HZ When, the safe operation cycle of ultra-magnetic telescopic pump 1 do not transform before increase 25%；(4) Aided design emergency cooling system, In the case where running into more extreme high-temperature condition, paraffin can just melt to start emergency cooling system, and normal condition lower inner cavity is one The space of individual closing, preferably smaller leakage field (when certain soft magnetic materials is particularly mixed in paraffin), while structure is simple Single cost is relatively low, without using the complicated and higher electric-controlled type cooling system of cost；(5) the new pump being association of activity and inertia is devised close Seal apparatus, piston 23 be additionally arranged at the bottom elastic membraneous material making barrier film 25, and the import and export position of check valve, every Sealing is filled using O shape rubber seal again on the circumference of film 25, this integral seal mode can reach very good Sealing effectiveness, the restoring force of piston can also be strengthened；(6) applicable one way valve members are devised, valve block 26 uses spring steel Piece and beryllium-bronze are as making material, and the Ageing Treatment being incubated by three hours, by the way of natural air is cooled down, pole The earth improves its elastic performance, and two check valves alternately open and close under the pressure differential driving of alternation, serve rectification Effect, finally realizes the unidirectional continuous flowing of liquid medium.

Embodiment 3：

As shown in Fig. 2 ultra-magnetic telescopic pump 1 is integrally vertically-mounted, including the pump housing, giant magnetostrictive rod 6, output shaft 7, work Plug assembly 8, check valve assembly 9, pressing means 10, end cap 11, driving coil 12, indirect cooling system, emergency cooling system.The pump housing Including inner pump 13 and the outer pump housing 14, the cooling chamber 15 of annular is formed between inner pump 13 and the outer pump housing 14.Driving coil 12 is set Put in the inner chamber in inner pump 13, giant magnetostrictive rod 6 be arranged on driving coil 12 axis on output shaft 7 lower end with The upper end of giant magnetostrictive rod 6 is connected.Output shaft 7 and the pump housing are made up of the soft magnetic materials of high magnetic permeability, in order to ensure as far as possible Ground improves the magnetic field intensity put on giant magnetostrictive rod 6 and saves material, and the length of giant magnetostrictive rod 6 is set to and driven The length of moving winding 12 is identical.Giant magnetostrictive rod 6 is pole shape, and main component is rare earth metal Tb, dysprosium and magnesium-yttrium-transition metal Iron etc..

As shown in Figure 3-4, the outer pump housing 14 upwardly extends to form buckling body 16, and the lower horizontal of output shaft 7 is connected with undertaking Part 21, supporting 21 and part output shaft 7 are contained in buckling body 16.As shown in Figure 3-4, with axis on the wall body of buckling body 16 It is symmetrically arranged with 2 buckling grooves centered on line, sliding groove 17 that each buckling groove includes arranging vertically, multiple fixing grooves 19 and many Individual horizontally disposed link slot 18, sliding groove 17, link slot 18 and fixing groove 19 are sequentially communicated.When holding section 22 is fastened on difference During the fixing groove 19 of horizontal level, giant magnetostrictive rod 6 will obtain different grades of precompression.As described in figures 1 and 5, pressing means 10 are connected by spring 20 with supporting 21, and precompression is applied to giant magnetostrictive rod 6, and spring 20 is sleeved on output shaft 7.In advance The application of pressure can significantly affect magnetostrictive effect.For given magnetic field intensity, apply an optimal precompression and carry Lotus, can be greatly enhanced the strain of magnetostriction materials：Apply a precompression, the magnetic domain for making material internal is turned to and pre- The direction of pressure perpendicular, material is shunk in the axial direction.When magnetic field intensity applies vertically, magnetic domain is rotated, direction with Magnetization direction is consistent, so that bigger deformation is generated, namely bigger strain.With axis on the edge of pressing means 10 Centered on be symmetrically arranged with 2 holding sections used cooperatively with buckling groove 22, its shapes and sizes is corresponding with fixing groove 19, when When applying precompression, pressing means 10 are pushed, holding section 22 enters in sliding groove 17, then horizontally rotate pressing means 10 and cause card Conjunction portion 22 enters link slot 18, unclamps pressing means 10 when reaching the correspondence position of fixing groove 19, holding section 22 is in spring force It is fastened under effect in fixing groove 19.It is this apply precompression mode advantage be：(1) further dropped by the design of buckling groove The low integrated weight of pumping system, is conducive to lightweight；(2) inventor it has been investigated that, designed and produced for one Into ultra-magnetic telescopic pump for, precompression is not linear to the influence curve of the output flow under different electric currents, is had In the case of be not even continuous, and always have a more excellent even optimal correspondence under different electric currents and frequency range Precompression, thus for and the common operating personnel of unfamiliar this characteristic for, suitable precompression pair is found every time The position answered is a pretty troublesome thing, by this graduate precompression applying mode, can be found to more convenient and quicker The corresponding position of precompression needed for oneself.For example, when input current is 6A, and frequency is 10HZ, required precompression is 15MPa Left and right, when change input current condition when, operating personnel can easily according to specific size of current and frequency size come Change the position of engaging to change the grade of precompression.Each grade precompression pair that developer will can draw through overtesting The parameter area answered is labeled in the surface of buckling body 16 to facilitate operating personnel to use.Specific series can be according to actual conditions Obtained by experiment.(3) simultaneously, pre-pressure mechanism is that output shaft 7 and piston component 8 provide reliable restoring force, with more preferable The straight reciprocating motion of piston component 8 is realized on ground, ultimately forms good pumping action.

Turning now to Fig. 1, when ultra-magnetic telescopic pump 1, to be operated in high current, high capacity or ambient temperature higher in itself In the case of, driving coil 12 is easily overheated, because the distance between driving coil 12 and giant magnetostrictive rod 6 are smaller, The overheat of driving coil 12 can cause giant magnetostrictive rod 6 to deform, and then cause output flow to change greatly, or even stop Situation, therefore indirect cooling system is additionally provided with, it includes chimney cooler 27, small-sized cooling blower 28, cooling entrance 29 and Coolant outlet 30, while by the form that pump body design is inner pump 13 and the outer pump housing 14, inner pump 13 is by the preferable soft magnetism of heat conduction Material is made, and cooling entrance 29 is set on the top of the outer pump housing 14, and the bottom of the outer pump housing 14 is provided with coolant outlet 30, tubular type Cooler 27 is integrated on the outer surface of the outer pump housing 14, and cooling entrance 29 is directly connected with chimney cooler 27, coolant outlet 30 It is connected by small-sized cooling blower 28 with chimney cooler 27, cooling water is passed through in the spiral coil cooling tube in chimney cooler 27. It is small-sized if detecting the air temperature value of the inner chamber of inner pump 13 higher than setting value T1 in the running of ultra-magnetic telescopic pump 1 The automatic start of cooling blower 28, the heat of the inner chamber of inner pump 13 is exported to cooling chamber 14 by the wall body of inner pump 13, while cold But the circulating cooling under the drive of small-sized cooling blower 28 of the hot-air in chamber 15, so as to reduce the temperature of driving coil 12.This It is that can effectively prevent cooling water from leaking into the inner chamber of inner pump 13 to plant the benefit cooled down indirectly, prevents the short circuit of driving coil 12, simultaneously Pump body design also can effectively mitigate the weight of pump into hollow form, save soft magnetic materials.The power of small-sized cooling blower 28 is 210w, the length of giant magnetostrictive rod 6 is 150mm, and driving current size is 8A, when frequency is 10HZ, the peace of ultra-magnetic telescopic pump 1 Line period for the national games increases 30% before not transforming.

In the oil liquid filtering circulating device of this embodiment, (1) can precisely be controlled while the classified filtering of fluid is realized Circular flow, the oil filtrating for the small flow system that is particularly suitable for use in, and it is simple and reliable for structure；(2) a kind of new precompressed is devised Power applies mechanism, and this application precompression mode reduce further the integrated weight of pumping system by the design of buckling groove, have Beneficial to lightweight；Simultaneously by this graduate precompression applying mode, operating personnel can find to more convenient and quicker certainly The corresponding position of precompression needed for oneself, can easily change the position of engaging according to specific size of current and frequency size To change the grade of precompression, and pre-pressure mechanism is that output shaft and piston component provide reliable restoring force, with more preferable The straight reciprocating motion of piston component is realized on ground, ultimately forms good pumping action；(3) the indirect cooling system of uniqueness is devised System, can effectively prevent cooling water from leaking into the inner chamber of inner pump 13, prevent the short circuit of driving coil 12, while pump body design is into hollow Form also can effectively mitigate the weight of pump, save soft magnetic materials, and employ the heat exchanging piece 40 of uniqueness to strengthen cooling effect；It is small The power of type cooling blower 28 is 210w, and the length of giant magnetostrictive rod 6 is 150mm, and driving current size is 8A, and frequency is 10HZ When, the safe operation cycle of ultra-magnetic telescopic pump 1 do not transform before increase 30%；(4) Aided design emergency cooling system, In the case where running into more extreme high-temperature condition, paraffin can just melt to start emergency cooling system, and normal condition lower inner cavity is one The space of individual closing, preferably smaller leakage field (when certain soft magnetic materials is particularly mixed in paraffin), while structure is simple Single cost is relatively low, without using the complicated and higher electric-controlled type cooling system of cost；(5) the new pump being association of activity and inertia is devised close Seal apparatus, piston 23 be additionally arranged at the bottom elastic membraneous material making barrier film 25, and the import and export position of check valve, every Sealing is filled using O shape rubber seal again on the circumference of film 25, this integral seal mode can reach very good Sealing effectiveness, the restoring force of piston can also be strengthened；(6) applicable one way valve members are devised, valve block 26 uses spring steel Piece and beryllium-bronze are as making material, and the Ageing Treatment being incubated by three hours, by the way of natural air is cooled down, pole The earth improves its elastic performance, and two check valves alternately open and close under the pressure differential driving of alternation, serve rectification Effect, finally realizes the unidirectional continuous flowing of liquid medium.

Embodiment 4：

Turning now to Fig. 1, when ultra-magnetic telescopic pump 1, to be operated in high current, high capacity or ambient temperature higher in itself In the case of, driving coil 12 is easily overheated, because the distance between driving coil 12 and giant magnetostrictive rod 6 are smaller, The overheat of driving coil 12 can cause giant magnetostrictive rod 6 to deform, and then cause output flow to change greatly, or even stop Situation, therefore indirect cooling system is additionally provided with, it includes chimney cooler 27, small-sized cooling blower 28, cooling entrance 29 and Coolant outlet 30, while by the form that pump body design is inner pump 13 and the outer pump housing 14, inner pump 13 is by the preferable soft magnetism of heat conduction Material is made, and cooling entrance 29 is set on the top of the outer pump housing 14, and the bottom of the outer pump housing 14 is provided with coolant outlet 30, tubular type Cooler 27 is integrated on the outer surface of the outer pump housing 14, and cooling entrance 29 is directly connected with chimney cooler 27, coolant outlet 30 It is connected by small-sized cooling blower 28 with chimney cooler 27, cooling water is passed through in the spiral coil cooling tube in chimney cooler 27. It is small-sized if detecting the air temperature value of the inner chamber of inner pump 13 higher than setting value T1 in the running of ultra-magnetic telescopic pump 1 The automatic start of cooling blower 28, the heat of the inner chamber of inner pump 13 is exported to cooling chamber 14 by the wall body of inner pump 13, while cold But the circulating cooling under the drive of small-sized cooling blower 28 of the hot-air in chamber 15, so as to reduce the temperature of driving coil 12.This It is that can effectively prevent cooling water from leaking into the inner chamber of inner pump 13 to plant the benefit cooled down indirectly, prevents the short circuit of driving coil 12, simultaneously Pump body design also can effectively mitigate the weight of pump into hollow form, save soft magnetic materials.The power of small-sized cooling blower 28 is 230w, the length of giant magnetostrictive rod 6 is 150mm, and driving current size is 9A, when frequency is 10HZ, the peace of ultra-magnetic telescopic pump 1 Line period for the national games increases 35% before not transforming.

In the oil liquid filtering circulating device of this embodiment, (1) can precisely be controlled while the classified filtering of fluid is realized Circular flow, the oil filtrating for the small flow system that is particularly suitable for use in, and it is simple and reliable for structure；(2) a kind of new precompressed is devised Power applies mechanism, and this application precompression mode reduce further the integrated weight of pumping system by the design of buckling groove, have Beneficial to lightweight；Simultaneously by this graduate precompression applying mode, operating personnel can find to more convenient and quicker certainly The corresponding position of precompression needed for oneself, can easily change the position of engaging according to specific size of current and frequency size To change the grade of precompression, and pre-pressure mechanism is that output shaft and piston component provide reliable restoring force, with more preferable The straight reciprocating motion of piston component is realized on ground, ultimately forms good pumping action；(3) the indirect cooling system of uniqueness is devised System, can effectively prevent cooling water from leaking into the inner chamber of inner pump 13, prevent the short circuit of driving coil 12, while pump body design is into hollow Form also can effectively mitigate the weight of pump, save soft magnetic materials, and employ the heat exchanging piece 40 of uniqueness to strengthen cooling effect；It is small The power of type cooling blower 28 is 230w, and the length of giant magnetostrictive rod 6 is 150mm, and driving current size is 9A, and frequency is 10HZ When, the safe operation cycle of ultra-magnetic telescopic pump 1 do not transform before increase 35%；(4) Aided design emergency cooling system, In the case where running into more extreme high-temperature condition, paraffin can just melt to start emergency cooling system, and normal condition lower inner cavity is one The space of individual closing, preferably smaller leakage field (when certain soft magnetic materials is particularly mixed in paraffin), while structure is simple Single cost is relatively low, without using the complicated and higher electric-controlled type cooling system of cost；(5) the new pump being association of activity and inertia is devised close Seal apparatus, piston 23 be additionally arranged at the bottom elastic membraneous material making barrier film 25, and the import and export position of check valve, every Sealing is filled using O shape rubber seal again on the circumference of film 25, this integral seal mode can reach very good Sealing effectiveness, the restoring force of piston can also be strengthened；(6) applicable one way valve members are devised, valve block 26 uses spring steel Piece and beryllium-bronze are as making material, and the Ageing Treatment being incubated by three hours, by the way of natural air is cooled down, pole The earth improves its elastic performance, and two check valves alternately open and close under the pressure differential driving of alternation, serve rectification Effect, finally realizes the unidirectional continuous flowing of liquid medium.

Embodiment 5：

Turning now to Fig. 1, when ultra-magnetic telescopic pump 1, to be operated in high current, high capacity or ambient temperature higher in itself In the case of, driving coil 12 is easily overheated, because the distance between driving coil 12 and giant magnetostrictive rod 6 are smaller, The overheat of driving coil 12 can cause giant magnetostrictive rod 6 to deform, and then cause output flow to change greatly, or even stop Situation, therefore indirect cooling system is additionally provided with, it includes chimney cooler 27, small-sized cooling blower 28, cooling entrance 29 and Coolant outlet 30, while by the form that pump body design is inner pump 13 and the outer pump housing 14, inner pump 13 is by the preferable soft magnetism of heat conduction Material is made, and cooling entrance 29 is set on the top of the outer pump housing 14, and the bottom of the outer pump housing 14 is provided with coolant outlet 30, tubular type Cooler 27 is integrated on the outer surface of the outer pump housing 14, and cooling entrance 29 is directly connected with chimney cooler 27, coolant outlet 30 It is connected by small-sized cooling blower 28 with chimney cooler 27, cooling water is passed through in the spiral coil cooling tube in chimney cooler 27. It is small-sized if detecting the air temperature value of the inner chamber of inner pump 13 higher than setting value T1 in the running of ultra-magnetic telescopic pump 1 The automatic start of cooling blower 28, the heat of the inner chamber of inner pump 13 is exported to cooling chamber 14 by the wall body of inner pump 13, while cold But the circulating cooling under the drive of small-sized cooling blower 28 of the hot-air in chamber 15, so as to reduce the temperature of driving coil 12.This It is that can effectively prevent cooling water from leaking into the inner chamber of inner pump 13 to plant the benefit cooled down indirectly, prevents the short circuit of driving coil 12, simultaneously Pump body design also can effectively mitigate the weight of pump into hollow form, save soft magnetic materials.The power of small-sized cooling blower 28 is 250w, the length of giant magnetostrictive rod 6 is 150mm, and driving current size is 10A, when frequency is 10HZ, ultra-magnetic telescopic pump 1 The safe operation cycle increases 40% before not transforming.

In the oil liquid filtering circulating device of this embodiment, (1) can precisely be controlled while the classified filtering of fluid is realized Circular flow, the oil filtrating for the small flow system that is particularly suitable for use in, and it is simple and reliable for structure；(2) a kind of new precompressed is devised Power applies mechanism, and this application precompression mode reduce further the integrated weight of pumping system by the design of buckling groove, have Beneficial to lightweight；Simultaneously by this graduate precompression applying mode, operating personnel can find to more convenient and quicker certainly The corresponding position of precompression needed for oneself, can easily change the position of engaging according to specific size of current and frequency size To change the grade of precompression, and pre-pressure mechanism is that output shaft and piston component provide reliable restoring force, with more preferable The straight reciprocating motion of piston component is realized on ground, ultimately forms good pumping action；(3) the indirect cooling system of uniqueness is devised System, can effectively prevent cooling water from leaking into the inner chamber of inner pump 13, prevent the short circuit of driving coil 12, while pump body design is into hollow Form also can effectively mitigate the weight of pump, save soft magnetic materials, and employ the heat exchanging piece 40 of uniqueness to strengthen cooling effect；It is small The power of type cooling blower 28 is 250w, and the length of giant magnetostrictive rod 6 is 150mm, and driving current size is 10A, and frequency is During 10HZ, the safe operation cycle of ultra-magnetic telescopic pump 1 do not transform before increase 40%；(4) the emergent cooling of Aided design System, in the case where running into more extreme high-temperature condition, paraffin can just melt to start emergency cooling system, normal condition lower inner cavity It is the space of a closing, preferably smaller leakage field (when certain soft magnetic materials is particularly mixed in paraffin) is tied simultaneously The simple cost of structure is relatively low, without using the complicated and higher electric-controlled type cooling system of cost；(5) new be association of activity and inertia is devised Pump sealing apparatus, the barrier film 25 of elastic membraneous material's making has been additionally arranged at the bottom in piston 23, and in the import and export position of check valve Put, on the circumference of barrier film 25 and sealing be filled using O shape rubber seal, this integral seal mode can reach non- Often good sealing effectiveness, can also strengthen the restoring force of piston；(6) applicable one way valve members are devised, valve block 26 uses bullet Spring steel disc and beryllium-bronze are as making material, and the Ageing Treatment being incubated by three hours, the side cooled down using natural air Formula, drastically increases its elastic performance, and two check valves are alternately opened and closed, played under the pressure differential driving of alternation Rectified action, finally realizes the unidirectional continuous flowing of liquid medium.

Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than to present invention guarantor The limitation of scope is protected, although being explained with reference to preferred embodiment to the present invention, one of ordinary skill in the art should Work as understanding, technical scheme can be modified or equivalent substitution, without departing from the reality of technical solution of the present invention Matter and scope.

Claims

1. high-precision stepped type oil liquid filtering circulating device, it is characterized in that, including be sequentially connected ultra-magnetic telescopic pump, coarse filtration Oil in fuel tank is delivered to coarse strainer and tentatively filtered by net, vacuum oil strainer, fie screen and fuel tank, ultra-magnetic telescopic pump, Then it is separated by filtration into vacuum oil strainer, eventually passes and fuel tank is returned to after fie screen；It is also other on vacuum oil strainer There is service valve on road, when vacuum oil strainer overhaul stop transport when, open service valve keep loop it is unimpeded, the aperture of the coarse strainer with The ratio between aperture of fie screen is the ratio between largest loop oil mass and minimal circulation oil mass；The bottom of the coarse strainer, which is drawn, has a pipeline extremely The bottom of vacuum oil strainer, for being put into operation for vacuum oil strainer before oiling, be provided with fuel feeding valve on the pipeline；It is described true A pipeline is additionally provided with the top of empty oil strainer to the entrance of ultra-magnetic telescopic pump, the row before being put into operation for vacuum oil strainer Exhaust-valve is additionally provided with sky, the pipeline；The ultra-magnetic telescopic pump is integrally vertically-mounted, and it includes the pump housing, ultra-magnetic telescopic Rod, output shaft, piston component, check valve assembly, pressing means, end cap, driving coil, indirect cooling system and emergent cooling system System, the pump housing includes inner pump and the outer pump housing, and the cooling chamber of annular is formed between inner pump and the outer pump housing；Driving coil is contained in institute In the inner chamber for stating inner pump, giant magnetostrictive rod is arranged on the axis of the driving coil；The lower end of output shaft and super magnetic The upper end of extension stem is caused to be connected, output shaft and the pump housing are made by the soft magnetic materials of high magnetic permeability, and the length of giant magnetostrictive rod Degree and the equal length of driving coil；Giant magnetostrictive rod is pole shape, and its making material includes rare earth metal Tb, dysprosium and transition Race's metallic iron；

The outer pump housing upwardly extends to form buckling body, and the lower horizontal of output shaft is connected with supporting, and supporting and part are defeated Shaft is contained in buckling body, is symmetrically arranged with 2 buckling grooves, each buckling groove on the wall body of buckling body centered on axis Including the sliding groove arranged vertically, multiple fixing grooves and multiple horizontally disposed link slots, the sliding groove, link slot and fixation Groove is sequentially communicated；The pressing means are connected by spring with supporting, for applying precompression, the bullet to giant magnetostrictive rod Spring is sleeved on output shaft；2 are symmetrically arranged with the edge of the pressing means centered on axis with the buckling groove to match somebody with somebody The shapes and sizes of the holding section that conjunction is used, its shapes and sizes and fixing groove match, when holding section is fastened on varying level During the fixing groove of position, giant magnetostrictive rod obtains different grades of precompression；Pressing means are pushed when applying precompression, engaged Portion enters in sliding groove, horizontally rotates pressing means so that holding section enters link slot, the pine when reaching the correspondence position of fixing groove Pressing means are opened, holding section is fastened in the fixing groove under spring force；

The piston component includes fixed body and piston, and output shaft is affixed with piston through fixed body, and piston base is provided with one The barrier film made by elastic membraneous material, it is fixed by screws on fixed body, barrier film by piston, pump chamber with it is extraneous completely every Open, while strengthening the restoring force of piston when being shunk for giant magnetostrictive rod；

The check valve assembly includes import check valve and Outlet check valves, and both are arranged on valve body in the opposite direction, valve Piece is beam type, and the folding of valve port is realized by the bending and reply of valve block, and the cantilever end and import or export of valve block are tight Contiguity is touched；The valve block uses spring steel plate and beryllium-bronze as making material, by the Ageing Treatment of three hours insulations, and Cooled down by the way of natural air is cooled down；The giant magnetostrictive rod produces dilatation in the magnetic field of change, drives and lives Plug does straight reciprocating motion, and piston movement causes pump chamber to change, and two check valves are under the pressure differential driving of alternation, alternately Open and close, serve rectified action, finally realize the unidirectional continuous flowing of liquid medium；The import and export of check valve, barrier film Circumference on sealing is filled using O shape rubber seal；

The indirect cooling system includes chimney cooler, small-sized cooling blower, cooling entrance and coolant outlet, and inner pump is by leading The soft magnetic materials of heat is made, and cooling entrance is set on the top of the outer pump housing, and coolant outlet is set in the bottom of the outer pump housing；The pipe Formula cooler is integrated on the outer surface of the outer pump housing, and cooling entrance is directly connected with chimney cooler, and coolant outlet passes through small-sized Cooling blower is connected with the chimney cooler, and cooling water is passed through in the spiral coil cooling tube in chimney cooler；Stretched in super mangneto During contracting pump operation, when the air temperature value for detecting inner pump inner chamber is higher than setting value T1, small-sized cooling blower is automatic Start, the heat of inner pump inner chamber is exported to cooling chamber by the wall body of inner pump, while the hot-air in cooling chamber is small-sized Circulating cooling is carried out under the drive of cooling blower, so as to reduce the temperature of driving coil；The power of the small-sized cooling blower is 170w, the giant magnetostrictive rod length is 150mm, and driving current size is 4A, and frequency is 10HZ.

2. high-precision stepped type oil liquid filtering circulating device according to claim 1, it is characterized in that, the emergent cooling system System includes emergent cooling entrance, emergent cooling chamber and 2 emergent coolant outlets, and 2 emergent coolant outlets are arranged on the pump housing In the base of lower section, emergent cooling entrance is arranged on the top of inner pump；The emergent coolant outlet is cooled down into intraoral with emergent Filled with low melting point, its fusion temperature T2 ＞ T1, what is be also mixed with the low melting point is identical with the pump housing material Soft magnetic materials；The section of the emergent coolant outlet is inverted trapezoidal shape, and the section of emergent cooling entrance is arranged to from left to right Tapered trapezoidal shape；The emergent coolant outlet is with setting emergency ventilation chamber to be thereunder connected, under emergency ventilation chamber Surface is inclined-plane, and its one end is connected with the inlet duct of small-sized cooling blower, and the other end is connected with wax discharging port；When in inner pump Paraffin starts fusing when the air themperature of chamber is more than T2, and emergent coolant outlet and entrance are opened because of the fusing of paraffin, inner chamber Hot-air directly carries out circulating cooling under the drive of small-sized cooling blower；Paraffin after melting in emergent coolant outlet is fallen into should In anxious vented cavity, and wax discharging port is fallen into along inclined-plane；The end of the wax discharging port is provided with closing element, and closing element is solid by bolt The bottom of base is scheduled on, when needing de-waxing, release bolt removes closing element and discharges paraffin；The pump housing and base are by upper Lower two parts are fastened and formed, and are disassembled the pump housing and base for operating personnel and are refilled paraffin, and clean out and should cool down The paraffin remained in chamber and emergency ventilation chamber.

3. high-precision stepped type oil liquid filtering circulating device according to claim 2, it is characterized in that, outside the inner pump The heat exchanging piece of multiple outwardly convexs is additionally provided with surface, the heat exchanging piece is in integrally round table-like, on the side of each heat exchanging piece Multiple spiral salients are provided with, the hand of spiral of two neighboring spiral salient is opposite.